CN204978097U - Install disc brake's forklift driving axle housing - Google Patents
Install disc brake's forklift driving axle housing Download PDFInfo
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- CN204978097U CN204978097U CN201520463263.6U CN201520463263U CN204978097U CN 204978097 U CN204978097 U CN 204978097U CN 201520463263 U CN201520463263 U CN 201520463263U CN 204978097 U CN204978097 U CN 204978097U
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- forklift
- brake
- driving axle
- disc brake
- joystick
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Abstract
The utility model discloses an install disc brake's forklift driving axle housing, include fork truck axle housing and the semi -axis that crosses the fork truck axle housing, brake disc and wheel hub are outwards installed from the lining in proper order in the both ends of fork truck axle housing, install on the fork truck axle housing to correspond the disc brake who sets up with the brake disc. The utility model discloses a forklift driving axle housing plays the brake disc of parking effect because that choose for use is the disc brake who uses on large -scale automobile body transaxle, can eliminate among the drum brake because the friction disc wearing and tearing lead to the problem of clearance grow between friction disc and the brake disc to reach the mesh that improves fork truck brake performance.
Description
Technical field
The driving axle of forklift that the utility model relates in construction machinery and equipment manufactures field, refers to a kind of driving axle of forklift being provided with plate disc brake particularly.
Background technology
Existing driving axle of forklift, its drg adopts drum brake mechanism, this drum brake mechanism comprises a pair brake shoe brake cheek inside brake drum surface positioned opposite to each other, by bonding on brake shoe brake cheek, the modes such as riveted joint or screw connection are provided with friction lining, brake shoe brake cheek one end is hinged on back-plate by supporting pin, brake shoe brake cheek can rotate around described supporting pin, the brake shoe brake cheek other end is provided with actuating device, actuating device can adopt conventional wheelcylinder piston, during use, actuating device can apply application force to brake shoe brake cheek one end, the brake shoe brake cheek other end is rotated centered by supporting pin, and the other end of brake shoe brake cheek is leaned mutually, thus reach the object of braking brake.
In use, due to drum brake mechanism for full-floating designs, change is engraved in during gap between friction lining and the endoporus of brake wheel, the accuracy of manufacture of brake wheel endoporus and the wearing and tearing of friction lining, its gap cannot be consistent, if excessive clearance, then brakes unable, gap is too small, then easily locking or band are stopped walking; And adjustment gap difficulty therebetween, therefore, in fork truck uses, the fault of generation is high, not easy-maintaining, and becomes the bottleneck problem of restriction fork truck development.
Summary of the invention
The purpose of this utility model is exactly the deficiency that will solve above-mentioned background technology, provides a kind of driving axle of forklift being provided with plate disc brake, to improve the deceleration and stopping performance of driving axle of forklift.
The technical solution of the utility model is: a kind of driving axle of forklift being provided with plate disc brake, comprise forklift bridge shell and the semiaxis crossing forklift bridge shell, the two ends of described forklift bridge shell are outwards provided with brake disc and wheel hub successively from inner, it is characterized in that: described forklift bridge shell is provided with the plate disc brake that arrange corresponding to brake disc, described plate disc brake comprises caliper body, be arranged on the driver train in caliper body, the inner attrition piece promoted by described driver train, to be fixedly installed on caliper body and the outside friction disc be oppositely arranged with described inner attrition piece, brake disc is arranged between described inner attrition piece and the plane of action of outside friction disc.
In such scheme:
Described brake disc and wheel hub are integral type structure.
The outer peripheral face of described forklift bridge shell is provided with and installs projection, described installation projection is fixedly connected with by screw with caliper body.
The caliper body being positioned at described inner attrition piece side is provided with two the first epitrochoidal chambers arranged side by side and the second epitrochoidal chamber, described driver train comprises hydraulic power mechanism and manual power mechanism, described hydraulic power mechanism comprises hydraulic ram, described hydraulic ram is arranged in described first epitrochoidal chamber, the mouth of described hydraulic ram is through being fixedly connected with described inner attrition piece inside the first epitrochoidal chamber axis, and the input end of described hydraulic ram is connected with brake pump by pipeline, described manual power mechanism comprises driven plunger, screw rod and joystick, described driven plunger carries out axial motion along described second epitrochoidal chamber, described driven plunger the inner passes the axial inner side of described second epitrochoidal chamber and is fixedly connected with described inner attrition piece, described screw rod is outwards arranged in described driven plunger from inner vertically, described screw rod the inner leans at described driven plunger inwall, described screw rod is arranged with the jump ring be fixedly installed on driven plunger inwall, described screw rod moves axially in described jump ring, described screw rod outer end passes described driven plunger outer end, Compress Spring is provided with between described screw rod outer end and described jump ring, described screw rod outer end is fixedly connected with joystick the inner, described joystick outer end passes the axial outside of described second epitrochoidal chamber and stretches out described caliper body.
Described joystick the inner is provided with shaft bearing plate, and described screw rod outer end arranges the bearing matched with described shaft bearing plate.
Described second epitrochoidal chamber is provided with locating dowel pin towards the end face of described shaft bearing plate, and described shaft bearing plate is provided with the positioning groove matched with described locating dowel pin, and the end of described locating dowel pin extend in described positioning groove.
A circle roller ball is provided with between described joystick and described second epitrochoidal chamber.
The joystick being positioned at described caliper body outside is fixedly connected with arm-tie, between described arm-tie and described caliper body, is provided with torsion spring.
The arranged outside of described arm-tie has the caging bolt being arranged on described joystick outer end, and the inner side of described arm-tie is provided with the lining be sleeved on described joystick, leaves space between described lining and described caliper body.
Plate disc brake has that brake efficiency is high, hysteretic loss is little, thermostable type is good, good heat dissipation effect, high, the lightweight feature of safety, usually be used on the drive axle of large-scale car body, plate disc brake is used on driving axle of forklift by the utility model, can reach the object making driving axle of forklift deceleration and stopping performance more reliable and more stable.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the schematic side view of Fig. 1;
Fig. 3 is the working state schematic representation of plate disc brake in the utility model;
Fig. 4 is the structural representation of plate disc brake in the utility model;
Fig. 5 is the structural representation of hydraulic power mechanism in plate disc brake;
Fig. 6 is the structural representation of manual power mechanism in plate disc brake.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
With reference to figure 1, Fig. 2, Fig. 3 and Fig. 4, a kind of driving axle of forklift being provided with plate disc brake of the present embodiment, comprise forklift bridge shell 9 and the semiaxis 10 crossing forklift bridge shell 9, the two ends of forklift bridge shell 9 are outwards provided with brake disc 11 and wheel hub 12 successively from inner, forklift bridge shell 9 is provided with the plate disc brake 13 that arrange corresponding to brake disc 11, plate disc brake 13 comprises caliper body 1, be arranged on the driver train in caliper body 1, the inner attrition piece 2 promoted by driver train, to be fixedly installed on caliper body 1 and the outside friction disc 3 be oppositely arranged with inner attrition piece 2, brake disc 11 is arranged between the plane of action of inner attrition piece 2 and outside friction disc 3.
The driving axle of forklift of the present embodiment, the brake disc playing parking effect is be applied in the plate disc brake on large-scale car body drive axle due to what select, can eliminate in background technology because friction disc wear causes gap between friction lining and brake disc 11 to become large problem, to improve the deceleration and stopping performance of fork truck.
In order to installation and maintenance are convenient, brake disc 11 and wheel hub 12 are designed to integral structure by the present embodiment.
The outer peripheral face of the present embodiment forklift bridge shell 9 is provided with and installs protruding 4, install protruding 4 and achieved a fixed connection by screw with caliper body 1.
The plate disc brake of the present embodiment, pressing to brake disc 4 by promoting inner attrition piece 2 by driver train, can reach the object of being braked by fork truck.
The driver train of the present embodiment has the double-mode of hydraulic-driven and manual drives, its driver train comprises hydraulic power mechanism 7 (with reference to figure 5) and manual power mechanism 8 (with reference to figure 6), hydraulic power mechanism 7 and manual power mechanism 8 are separately positioned on two of the caliper body 1 being arranged in inner attrition piece 2 side the first epitrochoidal chamber 5 and the second epitrochoidal chamber 6 arranged side by side, are specially:
Hydraulic power mechanism 7 comprises hydraulic ram 7.1, hydraulic ram 7.1 is arranged in the first epitrochoidal chamber 5, the mouth of hydraulic ram 7.1 is through being fixedly connected with inner attrition piece 2 inside the first epitrochoidal chamber 5 axis, and the input end of hydraulic ram 7.1 is connected with brake pump by pipeline; During braking, by controlling the output of brake pump hydraulic control oil cylinder 7.1, pressure oil enters in hydraulic ram 7.1, promotes the hydraulic piston of hydraulic ram 7.1, makes inner attrition piece 2 press to brake disc, produces lock torque; After brake off, oil pressure is eliminated, and hydraulic piston resets, and lock torque is removed.
Manual power mechanism 8 comprises driven plunger 8.1, screw rod 8.3 and joystick 8.4, driven plunger 8.1 carries out axial motion along the second epitrochoidal chamber 6, driven plunger 8.1 the inner passes the axial inner side of the second epitrochoidal chamber 6 and is fixedly connected with inner attrition piece 2, screw rod 8.3 is arranged in driven plunger 8.1 vertically, screw rod 8.3 the inner leans at driven plunger 8.1 inwall, screw rod 8.3 is arranged with the jump ring 8.5 be fixedly installed on driven plunger 8.1 inwall, screw rod 8.3 moves axially in jump ring 8.1, screw rod 8.3 outer end passes driven plunger 8.1 outer end, Compress Spring 8.6 is provided with between screw rod 8.3 outer end and jump ring 8.5, screw rod 8.3 outer end is fixedly connected with joystick 8.4 the inner, joystick 8.4 outer end passes the axial outside of the second epitrochoidal chamber 6 and stretches out caliper body 1.During braking, rotate joystick 8.4, joystick 8.4 moves to the inside, and sheathed screw 8.3 and driven plunger move to the inside successively, makes inner attrition piece press to brake disc, thus reaches the object of driving axle of forklift braking; Reset under the elastic force effect that driven plunger can produce because of Compress Spring 8.6 distortion, lock torque can be removed.
In background technology of the present utility model, after friction disc wear, the gap of itself and brake disc 4 increases, the piston of the drg of the present embodiment also can become large to the yardstick of friction lining movement, thus can the wearing and tearing of auto-compensation friction lining, make friction lining assembly keep stablizing brake clearance, thus reach the object improving brake performance.
Joystick 8.4 the inner of the present embodiment is provided with shaft bearing plate 8.7, and screw rod 8.3 outer end arranges the bearing 8.8 matched with shaft bearing plate 8.7, and joystick 8.4 and screw rod are by the cooperatively interact synchronizing moving realize both of shaft bearing plate 8.7 with bearing 8.8.
Second epitrochoidal chamber 6 of the present embodiment is provided with locating dowel pin 8.9 towards the end face of shaft bearing plate 8.7, and shaft bearing plate 8.7 is provided with the positioning groove matched with described locating dowel pin 8.9, and the end of locating dowel pin 8.9 extend in positioning groove.When joystick 8.4 rotates, the play of joystick 8.4 can be prevented, make it move vertically.
Be provided with a circle roller ball 8.10 between the joystick 8.4 of the present embodiment and the second epitrochoidal chamber 6, reduce friction force when joystick 8.4 rotates.
In order to ensure inner attrition piece 2 reset effect, the present embodiment is fixedly connected with arm-tie 8.12 on the joystick 8.4 being positioned at caliper body 1 outside, torsion spring 8.13 is provided with between arm-tie 8.12 and caliper body 1, during use, the rotation of joystick 8.4 is carried out by arm-tie 8.12, after rotateing in place, under the effect of torsion spring 8.13, arm-tie 8.12 and joystick 8.4 can reset.
The present embodiment has the caging bolt 8.11 being arranged on joystick 8.4 outer end in the arranged outside of arm-tie 8.12, the inner side of arm-tie 8.12 is provided with the lining 8.2 be sleeved on joystick 8.4, leave space between lining 8.2 and caliper body 1, think the rotation headspace of joystick 8.4.
In addition, because the cost of plate disc brake is lower, compared to the drum brake mechanism in background technology, cost-saved, and plate disc brake has, and brake efficiency is high, hysteretic loss is little, thermostable type is good, good heat dissipation effect, high, the lightweight feature of safety, effectively can improve the deceleration and stopping performance of driving axle of forklift.
The above is only preferred embodiment of the present utility model, not does any pro forma restriction to structure of the present utility model.Every above embodiment is done according to technical spirit of the present utility model any simple modification, equivalent variations and modification, all still belong in the scope of the technical solution of the utility model.
Claims (9)
1. one kind is provided with the driving axle of forklift of plate disc brake, comprise forklift bridge shell (9) and cross the semiaxis (10) of forklift bridge shell (9), the two ends of described forklift bridge shell (9) are outwards provided with brake disc (11) and wheel hub (12) successively from inner, it is characterized in that: described forklift bridge shell (9) is provided with the plate disc brake (13) that arrange corresponding to brake disc (11), described plate disc brake (13) comprises caliper body (1), be arranged on the driver train in caliper body (1), the inner attrition piece (2) promoted by described driver train, be fixedly installed on the upper and outside friction disc (3) be oppositely arranged with described inner attrition piece (2) of caliper body (1), brake disc (11) is arranged between the plane of action of described inner attrition piece (2) and outside friction disc (3).
2. a kind of driving axle of forklift being provided with plate disc brake according to claim 1, is characterized in that: described brake disc (11) and wheel hub (12) are integral type structure.
3. a kind of driving axle of forklift being provided with plate disc brake according to claim 1, it is characterized in that: the outer peripheral face of described forklift bridge shell (9) is provided with and installs protruding (4), described installation protruding (4) is fixedly connected with by screw with caliper body (1).
4. a kind of driving axle of forklift being provided with plate disc brake according to claim 1, is characterized in that: the caliper body (1) being positioned at described inner attrition piece (2) side is provided with two the first epitrochoidal chambers (5) arranged side by side and the second epitrochoidal chamber (6); Described driver train comprises hydraulic power mechanism (7) and manual power mechanism (8), described hydraulic power mechanism (7) comprises hydraulic ram (7.1), described hydraulic ram (7.1) is arranged in described first epitrochoidal chamber (5), the mouth of described hydraulic ram (7.1) is through being fixedly connected with described inner attrition piece (2) inside the first epitrochoidal chamber (5) axis, and the input end of described hydraulic ram (7.1) is connected with brake pump (7.2) by pipeline; described manual power mechanism (8) comprises driven plunger (8.1), screw rod (8.3) and joystick (8.4), described driven plunger (8.1) carries out axial motion along described second epitrochoidal chamber (6), described driven plunger (8.1) the inner passes the axial inner side of described second epitrochoidal chamber (6) and is fixedly connected with described inner attrition piece (2), described screw rod (8.3) is outwards arranged in described driven plunger (8.1) from inner vertically, described screw rod (8.3) the inner leans at described driven plunger (8.1) inwall, described screw rod (8.3) is arranged with the jump ring (8.5) be fixedly installed on driven plunger (8.1) inwall, described screw rod (8.3) moves axially in described jump ring (8.1), described screw rod (8.3) outer end passes described driven plunger (8.1) outer end, Compress Spring (8.6) is provided with between described screw rod (8.3) outer end and described jump ring (8.5), described screw rod (8.3) outer end is fixedly connected with joystick (8.4) the inner, described joystick (8.4) outer end passes the axial outside of described second epitrochoidal chamber (6) and stretches out described caliper body (1).
5. a kind of driving axle of forklift being provided with plate disc brake according to claim 4, it is characterized in that: described joystick (8.4) the inner is provided with shaft bearing plate (8.7), described screw rod (8.3) outer end arranges the bearing (8.8) matched with described shaft bearing plate (8.7).
6. a kind of driving axle of forklift being provided with plate disc brake according to claim 5, it is characterized in that: described second epitrochoidal chamber (6) is provided with locating dowel pin (8.9) towards the end face of described shaft bearing plate (8.7), described shaft bearing plate (8.7) is provided with the positioning groove matched with described locating dowel pin (8.9), and the end of described locating dowel pin (8.9) extend in described positioning groove.
7. a kind of driving axle of forklift being provided with plate disc brake according to claim 4 or 5, is characterized in that: be provided with a circle roller ball (8.10) between described joystick (8.4) and described second epitrochoidal chamber (6).
8. a kind of driving axle of forklift being provided with plate disc brake according to claim 4, it is characterized in that: be positioned on the outside joystick (8.4) of described caliper body (1) and be fixedly connected with arm-tie (8.12), between described arm-tie (8.12) and described caliper body (1), be provided with torsion spring (8.13).
9. a kind of driving axle of forklift being provided with plate disc brake according to claim 8, it is characterized in that: the arranged outside of described arm-tie (8.12) has the caging bolt (8.11) being arranged on described joystick (8.4) outer end, the inner side of described arm-tie (8.12) is provided with the lining (8.2) be sleeved on described joystick (8.4), leaves space between described lining (8.2) and described caliper body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520463263.6U CN204978097U (en) | 2015-07-01 | 2015-07-01 | Install disc brake's forklift driving axle housing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520463263.6U CN204978097U (en) | 2015-07-01 | 2015-07-01 | Install disc brake's forklift driving axle housing |
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| Publication Number | Publication Date |
|---|---|
| CN204978097U true CN204978097U (en) | 2016-01-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520463263.6U Active CN204978097U (en) | 2015-07-01 | 2015-07-01 | Install disc brake's forklift driving axle housing |
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| CN (1) | CN204978097U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104985986A (en) * | 2015-07-01 | 2015-10-21 | 武汉鑫恒通车桥制造有限公司 | Forklift drive axle with disc brakes |
| CN110920581A (en) * | 2019-12-19 | 2020-03-27 | 河南工学院 | Emergency braking stop-aid device for automobile |
| US11293502B1 (en) | 2019-06-19 | 2022-04-05 | Parker-Hannifin Corporation | Lever actuated disk parking brake for a vehicle |
-
2015
- 2015-07-01 CN CN201520463263.6U patent/CN204978097U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104985986A (en) * | 2015-07-01 | 2015-10-21 | 武汉鑫恒通车桥制造有限公司 | Forklift drive axle with disc brakes |
| US11293502B1 (en) | 2019-06-19 | 2022-04-05 | Parker-Hannifin Corporation | Lever actuated disk parking brake for a vehicle |
| CN110920581A (en) * | 2019-12-19 | 2020-03-27 | 河南工学院 | Emergency braking stop-aid device for automobile |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |