CN219056376U

CN219056376U - Caterpillar steering device

Info

Publication number: CN219056376U
Application number: CN202223450034.XU
Authority: CN
Inventors: 毛维敏; 陈相; 程科
Original assignee: Xiaogan Hangke Electromechanical Technology Co ltd
Current assignee: Xiaogan Hangke Electromechanical Technology Co ltd
Priority date: 2022-12-23
Filing date: 2022-12-23
Publication date: 2023-05-23
Anticipated expiration: 2032-12-23

Abstract

The utility model provides a crawler steering device which comprises a mounting beam, wherein the bottom of the mounting beam is rotatably provided with a crawler assembly through a bearing seat, auxiliary sliding assemblies are arranged at the front end and the rear end of the mounting beam and are positioned at the two sides of the crawler assembly, pushing plates are arranged at the two transverse sides of the crawler assembly and are in transmission connection with the auxiliary sliding assemblies, one side of the mounting beam is rotatably provided with a first electric push rod through a rotating shaft, the extension end of the first electric push rod is rotatably connected with the bearing seat at the top of the crawler assembly, under the action of the auxiliary sliding assemblies, the movable wheels are in contact with the ground, the sliding force is increased in the steering process of the crawler assembly, the friction resistance between the crawler and the ground is reduced, so that the steering of the crawler is more convenient, compared with the prior art, the crawler steering device is more convenient to operate, and can not cause the slow running of a small crawler device such as a surveying robot.

Description

Caterpillar steering device

Technical Field

The utility model relates to the field of tracks, in particular to a track steering device.

Background

The crawler belt is a flexible chain ring which is driven by a driving wheel and surrounds the driving wheel, a loading wheel, an inducer and a riding wheel, the crawler belt is composed of crawler belt plates, crawler belt pins and the like, the crawler belt pins connect the crawler belt plates to form a crawler belt chain ring, holes are formed at the two ends of the crawler belt plates, the crawler belt plates are meshed with the driving wheel, induced teeth are arranged in the middle part of the crawler belt and used for correcting the crawler belt and preventing the crawler belt from falling off when the device turns or rolls and runs, and a reinforced anti-skid rib (pattern for short) is arranged on one surface contacted with the ground so as to improve the firmness of the crawler belt plates and the adhesive force of the crawler belt and the ground;

the crawler belt in the prior art is widely applied, and can be used for military tanks or some survey robots to run on the road surface with poor road conditions due to the characteristic of stable movement caused by large contact area of the crawler belt and the ground;

the steering mode of the crawler belt is divided into two sides of driving wheels which rotate reversely, the crawler belt rotates around a central point or one track is locked, the other track turns, the two steering methods are both steering modes of the crawler belt on the military tank, steering is adjusted through the cooperation of gears, and for the surveying robot with smaller body size, the complex gear structure can increase the load of the robot, influence the moving speed, and therefore the surveying task is not facilitated.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model aims to provide a track steering device which solves the problems in the background art, has novel structure, uses the first electric push rod to steer and adjust a track assembly, replaces the original steering mode of a gear structure, is more convenient and quick, plays an auxiliary sliding role in steering the track under the action of an auxiliary sliding assembly, reduces the friction force between the track and the ground, prolongs the service life of the track, and simultaneously enables the whole steering process to be smoother.

In order to achieve the above object, the present utility model is realized by the following technical scheme: the utility model provides a track steering device, includes the installation roof beam, the installation roof beam bottom is rotated through the bearing frame and is installed the track subassembly, and both ends are located the both sides of track subassembly around the installation roof beam all are equipped with auxiliary sliding assembly, the horizontal both sides of track subassembly are equipped with the push pedal, and the push pedal is connected with auxiliary sliding assembly transmission, installation roof beam one side is rotated through the pivot and is installed first electric putter, and the extension end of first electric putter is rotated with track subassembly top bearing frame and is connected.

Further, the auxiliary sliding assembly comprises a second electric push rod, the two sides of the front end and the rear end of the mounting beam are respectively connected with the second electric push rod through rotating shafts, the extending end of the second electric push rod is connected with a wedge through rotating shafts, the bottom of the wedge is fixedly provided with a connecting column, and the bottom of the connecting column is provided with a moving wheel through rotating universal shafts.

Furthermore, a wedge plate is fixed at the bottom of the mounting beam corresponding to the wedge block, and the wedge block is in sliding connection with the surface of the wedge plate.

Further, a moving gap is formed in the surface of the wedge plate, and the connecting column penetrates through the moving gap.

Further, sliding rings are sleeved on the surfaces of the two connecting columns at one side of the crawler belt assembly in a sliding manner, and pushing plates are fixed at the outer sides of the two sliding rings.

Furthermore, the connecting column is positioned at the top of the sliding ring and is fixedly provided with a fixed ring, a spring is sleeved between the fixed ring and the sliding ring, and two ends of the spring are respectively and fixedly connected with the sliding ring and the fixed ring.

Furthermore, two wedge plates at one end of the mounting beam are fixed with a protection frame at the outer sides.

The utility model has the beneficial effects that: the utility model relates to a crawler steering device, which comprises a mounting beam; a track assembly; a first electric push rod; an auxiliary sliding assembly; a second electric push rod; wedge blocks; wedge plate; a connecting column; a moving wheel; moving the notch; a push plate; a slip ring; a fixing ring; a spring; a protective frame;

1. under the effect of this track steering device through the push pedal, because wedge plate slope direction's effect, the push pedal promotes to the outside, promotes out the small-size barrier in the rotation scope around the track subassembly, prevents to block into the track inside.

2. This crawler steering device is through under the effect of protection frame, when moving the wheel and retrieving to the top along with second electric putter, can be accomodate into the protection frame inside, plays the effect of anticollision on the one hand, can also accomplish simultaneously to prevent to move the wheel and disturb the purpose that crawler components moved.

3. According to the crawler steering device, under the action of the auxiliary sliding assembly, the sliding force is increased in the steering process of the crawler assembly through the contact of the moving wheels and the ground, so that the friction resistance between the crawler and the ground is reduced, and the crawler is more convenient to steer.

4. Compared with the prior art, the track steering device has the advantages that the driving force of the electric push rod is used for replacing an original complex gear structure, the operation is more convenient, the small track device such as a survey robot can not be caused to run slowly, and the steering is stable.

Drawings

FIG. 1 is a schematic view of the overall structure of a track-turning device of the present utility model;

FIG. 2 is a schematic view of an auxiliary slide assembly of a track-turning device according to the present utility model;

FIG. 3 is a schematic illustration of the connection of a push plate to a connecting column of a track steering device of the present utility model;

in the figure: 1. mounting a beam; 2. a track assembly; 3. a first electric push rod; 4. an auxiliary sliding assembly; 41. a second electric push rod; 42. wedge blocks; 43. wedge plate; 44. a connecting column; 45. a moving wheel; 46. moving the notch; 5. a push plate; 51. a slip ring; 52. a fixing ring; 53. a spring; 6. and a protective frame.

Detailed Description

The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.

Referring to fig. 1 to 3, the present utility model provides a technical solution: the utility model provides a track turns to device, includes installation roof beam 1, installation roof beam 1 bottom rotates through the bearing frame and installs track subassembly 2, and both ends are located the both sides of track subassembly 2 around installation roof beam 1 all are equipped with supplementary slip subassembly 4, the horizontal both sides of track subassembly 2 are equipped with push pedal 5, and push pedal 5 is connected with supplementary slip subassembly 4 transmission, installation roof beam 1 one side rotates through the pivot and installs first electric putter 3, and the extension end of first electric putter 3 is rotated with track subassembly 2 top bearing frame and is connected, track subassembly 2 structure and driving principle are the same with current track, during the use device, will survey the robot body and install on installation roof beam 1, when need turn to, open first electric putter 3 and drive track subassembly 2 and rotate certain angle along the bearing frame to realize the steering function of device, reduce the frictional resistance of track and ground through supplementary slip subassembly 4 in the steering process, make whole in-process more smooth and easy.

In this embodiment, the auxiliary sliding component 4 includes the second electric putter 41, both sides at both ends all are connected with the second electric putter 41 through the pivot rotation around the installation roof beam 1, and the second electric putter 41 extension end is connected with the voussoir 42 through the pivot rotation, the voussoir 42 bottom is fixed with spliced pole 44, and the spliced pole 44 bottom is installed through the cardan shaft rotation and is removed round 45, installation roof beam 1 corresponds the voussoir 42 bottom position and is fixed with wedge plate 43, and voussoir 42 and wedge plate 43 surface sliding connection, the removal breach 46 has been seted up on the wedge plate 43 surface, and spliced pole 44 passes removal breach 46, opens the second electric putter 41, and second electric putter 41 drives the voussoir 42 and removes along wedge plate 43, removes round 45 and moves the track outside when the voussoir 42 drives down at this moment until removing round 45 and ground contact, and when rotating track component 2, remove round 45 can play the effect of auxiliary sliding, reduces the frictional resistance with the ground.

In this embodiment, the sliding rings 51 are slidably sleeved on the surfaces of the two connection posts 44 on one side of the track assembly 2, the push plates 5 are fixed on the outer sides of the two sliding rings 51, the connection posts 44 are fixed with the fixed rings 52 on the tops of the sliding rings 51, the connection posts 44 are sleeved between the fixed rings 52 and the sliding rings 51, the two ends of each spring 53 are fixedly connected with the sliding rings 51 and the fixed rings 52, when the moving wheel 45 and the push plates 5 are located at the highest point, the bottoms of the push plates 5 exceed the moving wheel 45, as the second electric push rod 41 drives the moving wheel 45 and the push plates 5 to descend, the bottoms of the push plates 5 are firstly contacted with the ground, and due to the action of the inclined guide of the wedge plates 43, the push plates 5 are pushed outwards to push out small obstacles in the rotating range around the track assembly 2, so as to prevent the small obstacles from being blocked into the track, after the push plates 5 are contacted with the ground, the sliding rings 53 slide upwards along the connection posts 44 until the bottoms of the moving wheel 45 keep flush with the bottoms of the push plates 5.

In this embodiment, the protection frame 6 is fixed on the outer sides of the two wedge plates 43 at one end of the mounting beam 1, and when the movable wheel 45 is retracted to the topmost end along with the second electric push rod 41, the movable wheel 45 is stored into the protection frame 6, so that on one hand, an anti-collision effect is achieved, and meanwhile, the purpose of preventing the movable wheel 45 from interfering with the movement of the track assembly 2 can be achieved.

When the device is used, the surveying robot body is arranged on the mounting beam 1, when the device needs to be turned, the second electric push rod 41 is opened in a linear mode, the second electric push rod 41 drives the wedge block 42 to move along the wedge plate 43, the moving wheel 45 moves downwards and simultaneously outwards under the drive of the wedge block 42, due to the action of inclined guiding of the wedge plate 43, the push plate 5 pushes outwards, small obstacles in the turning range around the track assembly 2 are pushed out, the situation that the inside of the track is blocked is prevented, until the moving wheel 45 is in contact with the ground, at the moment, the moving wheel 45 can play an auxiliary sliding role, the friction resistance between the track and the ground is reduced through the auxiliary sliding assembly 4 in the turning process, the first electric push rod 3 is started to drive the track assembly 2 to rotate by a certain angle along the bearing seat, so that the turning function of the device is realized, and the whole turning process is smoother.

While the fundamental and principal features of the utility model and advantages of the utility model have been shown and described, it will be apparent to those skilled in the art that the utility model is not limited to the details of the foregoing exemplary embodiments, but may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims

1. A track steering device comprising a mounting beam (1), characterized in that: the utility model discloses a crawler belt assembly, including installation roof beam (1), track subassembly (2) are installed through the bearing frame rotation to installation roof beam (1) bottom, and both ends are located the both sides of track subassembly (2) around installation roof beam (1) all are equipped with supplementary slip subassembly (4), track subassembly (2) horizontal both sides are equipped with push pedal (5), and push pedal (5) are connected with supplementary slip subassembly (4) transmission, installation roof beam (1) one side is rotated through the pivot and is installed first electric putter (3), and the extension end of first electric putter (3) is rotated with track subassembly (2) top bearing frame and is connected.

2. A track-turning device as defined in claim 1, wherein: the auxiliary sliding assembly (4) comprises a second electric push rod (41), the two sides of the front end and the rear end of the mounting beam (1) are respectively connected with the second electric push rod (41) through rotating shafts, the extending end of the second electric push rod (41) is connected with a wedge block (42) through rotating shafts, the bottom of the wedge block (42) is fixedly provided with a connecting column (44), and the bottom of the connecting column (44) is provided with a moving wheel (45) through rotating of a universal shaft.

3. A track-turning device as defined in claim 2, wherein: the wedge plate (43) is fixed at the bottom of the mounting beam (1) corresponding to the wedge block (42), and the wedge block (42) is in sliding connection with the surface of the wedge plate (43).

4. A track-turning device according to claim 3, wherein: a moving gap (46) is formed in the surface of the wedge plate (43), and the connecting column (44) penetrates through the moving gap (46).

5. A track-turning device as defined in claim 2, wherein: sliding rings (51) are sleeved on the surfaces of two connecting columns (44) on one side of the crawler belt assembly (2) in a sliding mode, and pushing plates (5) are fixed on the outer sides of the two sliding rings (51).

6. A track-turning device as set forth in claim 5, wherein: the connecting column (44) is positioned at the top of the sliding ring (51) and is fixedly provided with a fixed ring (52), a spring (53) is sleeved between the fixed ring (52) and the sliding ring (51), and two ends of the spring (53) are fixedly connected with the sliding ring (51) and the fixed ring (52) respectively.

7. A track-turning device according to claim 3, wherein: and a protective frame (6) is fixed on the outer sides of the two wedge plates (43) at one end of the mounting beam (1).