CN210714490U - Bottom supporting device of rotary drilling rig special for railway - Google Patents
Bottom supporting device of rotary drilling rig special for railway Download PDFInfo
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- CN210714490U CN210714490U CN201921572258.3U CN201921572258U CN210714490U CN 210714490 U CN210714490 U CN 210714490U CN 201921572258 U CN201921572258 U CN 201921572258U CN 210714490 U CN210714490 U CN 210714490U
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Abstract
The utility model discloses a bottom support device of a railway special rotary drilling rig, which comprises a support frame, wherein the support frame comprises at least two groups of telescopic mechanisms connected through a bottom beam; each group of telescopic mechanisms comprises a telescopic arm and telescopic legs, the telescopic arm is fixed on the support frame and can be stretched in the horizontal direction, and the two ends of the telescopic arm are fixedly connected with the telescopic legs. The utility model discloses be suitable for the railway construction and use, be convenient for the transportation. The utility model is suitable for a dig the rig during operation soon and use, especially dig the rig soon and use when the construction on the railway line way for firm support digs the rig soon.
Description
Technical Field
The utility model belongs to the technical field of the railway construction, specifically speaking is a rig bottom sprag device is dug soon in railway special use.
Background
The rotary digging machine is also called a rotary drilling rig and a pile driver. The rotary drilling rig is a comprehensive drilling rig, can be used for various geologies such as frozen soil and the like, and has the characteristics of high hole forming speed, less pollution, strong maneuverability and the like. The rotary drilling rig can be matched with a hammer to drill and dig holes in hard stratums. If the reamer is matched with a reaming head drilling tool, reaming operation can be carried out at the bottom of the hole. The rotary drilling rig adopts a plurality of layers of telescopic drill rods, has less drilling auxiliary time and low labor intensity, does not need slurry to discharge slag circularly, saves cost and is particularly suitable for the basic construction of urban construction.
Most of rotary drilling rigs in the prior art are assembled on an automobile or crawler-type base, and have the following defects in use: when the inclination angle of a road is too large or the railway paved with rails is constructed, the bottom supporting device of the special rotary drilling rig for the railway in the prior art cannot enter a construction site, cannot be used during railway construction, is limited by a construction place, and has certain limitation in use. The existing bottom supporting device of the rotary drilling rig special for the railway is large in size, so that an automobile is easily limited beyond the height of a vehicle, and the transportation of the bottom supporting device of the rotary drilling rig special for the railway is inconvenient.
SUMMERY OF THE UTILITY MODEL
For solving exist among the prior art more than not enough, the utility model aims at providing a special rig bottom sprag device that digs soon of railway to reach and be suitable for the purpose that the railway construction used, be convenient for the transportation.
In order to achieve the above object, the utility model adopts the following technical scheme: the support frame is arranged on a horizontal plane and connected with the rotary drilling rig through a connecting part, and comprises at least two groups of telescopic mechanisms connected through a bottom beam; each group of telescopic mechanisms comprises a telescopic arm and telescopic legs, the telescopic arm is fixed on the support frame and can stretch in the horizontal direction, and the two ends of the telescopic arm are fixedly connected with the telescopic legs which can stretch in the direction perpendicular to the horizontal plane.
As the utility model discloses a injecture, every flexible leg is including all can following the flexible first flexible leg of perpendicular to horizontal plane direction and the flexible leg of second, the side and the flexible arm fixed connection of first flexible leg, and the flexible leg of second is fixed in first flexible leg bottom and is driven the flexible leg of second by first flexible leg and stretch out and draw back along perpendicular to horizontal plane direction.
As another limitation of the utility model, the telescopic arm and the telescopic leg respectively adopt any one of the following driving mechanisms: hydraulic drive, pneumatic drive and electric drive.
As the utility model discloses a further inject, first flexible leg adopts the hydraulic pump to drive the flexible of the first flexible leg of two hydraulic cylinder drives, and two hydraulic cylinder fix respectively in the both sides of first flexible leg.
As a further limitation of the present invention, the retracted extreme position of the second extendable leg is above the bottom surface of the support frame.
As the utility model discloses a third kind is injectd, and the floorbar is polygonal frame construction for the cross-section, is fixed with the strengthening rib between the floorbar, and floorbar inside is fixed with the floor.
As other limitations of the utility model, the support frame below fixedly connected with makes the moving mechanism that the support frame removed.
Since the technical scheme is used, the utility model discloses a special rotary drilling rig bottom sprag device of railway compares with prior art, and the beneficial effect who gains is:
(1) the utility model has the advantages that by arranging the telescopic mechanism, the telescopic arm and the telescopic leg are extended in the construction process of the rotary drilling rig, the working stability and reliability of the rotary drilling rig arranged on the support frame are improved, the use is not limited by construction sites, the rotary drilling rig can adapt to the railway construction environment paved with rails, and the applicability is wide; and in the transportation process, make flexible arm, flexible leg shorten, can reduce occupation space, do benefit to and transport the support frame to the construction position, it is convenient to transport.
(2) The utility model can increase the extension stroke of the extension leg by arranging the first extension leg and the second extension leg; and through setting up two hydraulic cylinder in the side of first flexible leg, can make the extreme position that first flexible leg contracts in the top of support frame bottom surface, also easily the second flexible leg is located the top of support frame bottom surface when being in the extreme position of shrink, avoids the height of flexible leg to surpass the height limit, satisfies the railway standard, does benefit to transportation and use.
(3) The utility model discloses a set up strengthening rib and floor, can increase overall structure's stability.
(4) The utility model discloses a set up moving mechanism, do benefit to and remove the support frame through moving mechanism.
(5) The utility model discloses actuating mechanism can make telescopic machanism easily control, conveniently adjusts.
To sum up, the utility model discloses be convenient for transport, use convenient, extensive applicability, practicality are strong.
The utility model is suitable for a dig the rig during operation soon and use, especially dig the rig soon and use when the construction on the railway line way for firm support digs the rig soon.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Fig. 1 is a schematic structural diagram of embodiment 1 of the present invention;
fig. 2 is a schematic structural view of a telescoping mechanism in embodiment 1 of the present invention;
fig. 3 is a schematic view of the rib plate 8 provided in the bottom beam 5 according to embodiment 1 of the present invention.
In the figure: 1. flatcar; 2. a telescopic arm; 3. a second telescoping leg; 4. a first telescoping leg; 5. a bottom beam; 6. reinforcing ribs; 8. a rib plate; 9. a connecting portion.
Detailed Description
The preferred embodiments of the present invention will be described below with reference to the accompanying drawings. It is to be understood that the preferred embodiments described herein are for purposes of illustration and understanding only and are not intended to limit the invention.
Embodiment 1 bottom support device of rotary drilling rig special for railway
This embodiment can be through the flexible of telescopic machanism on the actuating mechanism control support frame, can be in the railway line construction through the flexible arm of extension 2, flexible leg to digging the rig soon and stabilize and support, can again in the transportation through shortening flexible arm 2, flexible leg so that the transportation.
As shown in fig. 1 to 2, the present embodiment includes a supporting frame, a telescopic mechanism and a driving mechanism.
First, support frame
The support frame is used for supporting the rotary drilling rig. The support frame is a horizontally arranged frame-shaped structure, and the top surface of the support frame is arranged on a horizontal plane. In order to facilitate the movement of the support frame, a moving mechanism for moving the support frame on a railway is arranged below the support frame, the moving mechanism is a flat car 1 fixedly connected below the support frame in the embodiment, and the flat car 1 comprises a support plate welded below the support frame and four rollers arranged below the support plate.
The support frame comprises at least two groups of telescopic mechanisms, a bottom beam 5 and a connecting part 9.
Two sets of telescoping mechanisms are provided at intervals in this embodiment. Each group of telescopic mechanisms are connected through two bottom beams 5 arranged in parallel, the bottom beams 5 are of a framework structure with a polygonal cross section, for example, the cross sections of the bottom beams 5 are quadrilateral and pentagonal, reinforcing ribs 6 are fixed between the bottom beams 5, and rib plates 8 are fixed inside the bottom beams 5, as shown in fig. 3. And reinforcing ribs 6 for increasing strength are fixedly connected between the bottom beams 5 so as to ensure the stability of the whole structure.
The middle of the support frame is provided with a connecting part 9 fixedly connected with the rotary drilling rig, and the connecting part 9 in the embodiment is a rotation center and is used for being connected with the rotary drilling rig.
Two, telescopic machanism
Each group of telescopic mechanisms comprises a telescopic arm 2 and a telescopic leg.
Every flexible arm 2 and floorbar 5 fixed connection, stretch out and draw back along the horizontal direction through every flexible arm 2 of actuating mechanism drive promptly perpendicular to floorbar 5 direction and stretch out and draw back, make the relative support frame in flexible arm 2 both ends take place the position change. The both ends of every flexible arm 2 respectively are fixed with a flexible leg, and the sharing is equipped with two flexible arms 2 in this embodiment, totally four flexible legs.
In order to increase the telescopic stroke of the telescopic legs, each telescopic leg comprises a first telescopic leg 4 and a second telescopic leg 3 which can be telescopic along the direction vertical to the horizontal plane. The flexible leg 3 fixed connection of second is in the bottom of first flexible leg 4, the lateral wall and the flexible arm 2 fixed connection of first flexible leg 4, and the flexible leg 3 of second along the perpendicular to support frame top surface (along perpendicular to horizontal plane direction promptly) is flexible through the flexible of every first flexible leg 4 of actuating mechanism drive to realize the lift of flexible leg, make flexible leg and holding surface (like ground or be located subaerial sleeper) contact, guarantee to dig the stability of rig work progress soon. In this embodiment there are a total of four first telescoping legs 4.
Third, the driving mechanism
The driving mechanism is used for driving the telescopic mechanism to stretch and retract. The telescopic arm 2 and the telescopic legs respectively adopt any one of the following driving mechanisms: hydraulic transmission, pneumatic transmission and electric transmission, such as linear motor drive and linear cylinder drive. In this embodiment, each telescopic arm 2 and each telescopic leg are driven to extend and retract by one hydraulic cylinder, each first telescopic leg 4 is driven to extend and retract by two hydraulic cylinders, all the hydraulic cylinders convert oil pressure input by a hydraulic pump into mechanical energy, and oil is controlled and adjusted by a control valve. In order to enable the limit position of the second telescopic leg 3 to be contracted to be arranged above the bottom surface of the support frame, the telescopic arm 2 is favorable for driving the telescopic legs to be contracted on the support frame, the occupied space is reduced, and two hydraulic oil cylinders for driving the first telescopic leg 4 to be contracted are respectively arranged on two sides of the first telescopic leg 4.
The method of using this example can be referred to example 2.
The embodiment is implemented by using the bottom support device of the rotary drilling rig special for the railway in the embodiment 1, and is used in cooperation with the rotary drilling rig during construction on the railway line, and the use method of the bottom support device of the rotary drilling rig special for the railway comprises the following steps:
s1, moving a support frame to a working position through a flat car.
S2, the telescopic arm 2 is driven by the hydraulic oil cylinder to extend to a working position along the horizontal direction, namely, the telescopic arm 2 drives the telescopic legs at two ends of the telescopic arm 2 to move outwards relative to the support frame in a contraction state.
S3, the first telescopic leg 4 is driven to extend downwards along the direction vertical to the horizontal plane through the hydraulic oil cylinder, namely the first telescopic leg 4 drives the second telescopic leg 3 below to move downwards.
And S4, the second telescopic leg 3 is driven by the hydraulic oil cylinder to extend downwards along the direction vertical to the horizontal plane until the second telescopic leg is contacted with the supporting surface, namely, the second telescopic leg 3 is contacted with the supporting surface (such as the ground or a sleeper on the ground), and the stability of the structure of the rotary drilling rig in the construction process is ensured.
It should be noted that the above-mentioned embodiments are only preferred embodiments of the present invention, and the present invention is not limited thereto, and although the present invention has been described in detail with reference to the above-mentioned embodiments, it will be apparent to those skilled in the art that modifications can be made to the technical solutions described in the above-mentioned embodiments, or some technical features can be replaced with equivalents. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The utility model provides a special rotary drilling rig bottom sprag device of railway which characterized in that: the support frame is arranged on a horizontal plane and connected with the rotary drilling rig through a connecting part, and comprises at least two groups of telescopic mechanisms connected through a bottom beam; each group of telescopic mechanisms comprises a telescopic arm and telescopic legs, the telescopic arm is fixed on the support frame and can stretch in the horizontal direction, and the two ends of the telescopic arm are fixedly connected with the telescopic legs which can stretch in the direction perpendicular to the horizontal plane.
2. The bottom support device of the rotary drilling rig special for the railway according to claim 1, wherein: each telescopic leg comprises a first telescopic leg and a second telescopic leg which can be stretched in the direction perpendicular to the horizontal plane, the side face of the first telescopic leg is fixedly connected with the telescopic arm, and the second telescopic leg is fixed at the bottom end of the first telescopic leg and is driven by the first telescopic leg to stretch in the direction perpendicular to the horizontal plane.
3. The bottom support device of the rotary drilling rig special for the railway according to claim 1 or 2, wherein: the telescopic arm and the telescopic leg respectively adopt any one of the following driving mechanisms: hydraulic drive, pneumatic drive and electric drive.
4. The bottom support device of the rotary drilling rig special for the railway according to claim 2, wherein: the first telescopic leg adopts a hydraulic pump to drive two hydraulic oil cylinders to drive the first telescopic leg to stretch, and the two hydraulic oil cylinders are respectively fixed on two sides of the first telescopic leg.
5. The bottom support device of the rotary drilling rig special for the railway according to claim 4, wherein: the limit position of the second telescopic leg in contraction is above the bottom surface of the support frame.
6. The bottom support device of the rotary drilling rig special for the railway according to any one of claims 1, 2, 4 and 5, wherein: the bottom beams are of a frame structure with a polygonal section, reinforcing ribs are fixed between the bottom beams, and rib plates are fixed inside the bottom beams.
7. The bottom support device of the rotary drilling rig special for the railway according to claim 6, wherein: a moving mechanism which enables the supporting frame to move is fixedly connected below the supporting frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921572258.3U CN210714490U (en) | 2019-09-20 | 2019-09-20 | Bottom supporting device of rotary drilling rig special for railway |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921572258.3U CN210714490U (en) | 2019-09-20 | 2019-09-20 | Bottom supporting device of rotary drilling rig special for railway |
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| CN210714490U true CN210714490U (en) | 2020-06-09 |
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| CN201921572258.3U Active CN210714490U (en) | 2019-09-20 | 2019-09-20 | Bottom supporting device of rotary drilling rig special for railway |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110617015A (en) * | 2019-09-20 | 2019-12-27 | 中铁电气化局集团有限公司石家庄机械装备分公司 | Bottom supporting device of rotary drilling rig special for railway and using method thereof |
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2019
- 2019-09-20 CN CN201921572258.3U patent/CN210714490U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110617015A (en) * | 2019-09-20 | 2019-12-27 | 中铁电气化局集团有限公司石家庄机械装备分公司 | Bottom supporting device of rotary drilling rig special for railway and using method thereof |
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