CN211684656U - Traveling mechanism of shield tunnel construction operation vehicle - Google Patents

Abstract

The utility model provides a running gear of shield tunnel construction operation car. The running mechanism comprises a running support, a turning mechanism, a main driving wheel and a driven wheel, the main driving wheel is installed on the front portion of the bottom surface of the running support through a first installation support, a brake mechanism is installed at the position of the main driving wheel, the driven wheel is installed on the rear portion of the bottom surface of the running support through a second installation support, the main driving wheel body and the driven wheel body are connected with the corresponding installation supports through deflection supports respectively, and the main driving wheel body and the driven wheel body can deflect the same angle in the same direction. The turning mechanism comprises a front wheel turning oil cylinder arranged at the position of a main driving wheel and a rear wheel turning oil cylinder arranged at the position of a driven wheel. The utility model discloses can install the running gear as the shield structure operation car on the chassis of operation car, can directly shield and walk steadily on the section of jurisdiction, avoid laying interim track and the consumption of the manpower and materials that bring on the section of jurisdiction of shield to the tunnel inner space has been practiced thrift.

Description

Traveling mechanism of shield tunnel construction operation vehicle

Technical Field

The utility model relates to a running gear, in particular to running gear of shield tunnel construction operation car.

Background

With the development of urban rail transit construction in China, the shield construction technology is rapidly developed in China, most of the current tunnel construction adopts a shield machine for tunneling, and an operation vehicle is an indispensable tool in the shield construction process. The shield tunnel is characterized in that the shield segment is circular, so that an operating vehicle running in the shield tunnel needs to walk on a curved surface in shield construction, and the shield tunnel has a plurality of bends, so that the operating vehicle needs to turn automatically in the shield tunnel besides going straight. The running gear of the shield tunnel operation car of the prior art generally comprises a running support and four running wheels welded on the running support, and when the running wheels of the running gear run on a duct piece, the tread of a tyre can not effectively contact with a curved surface, so that the tyre is accelerated to be worn. Therefore, a corresponding track is generally required to be laid on the shield segment for the operation of the infrastructure equipment. The temporary track is laid, so that a large amount of manpower and material resources are consumed, and a large tunnel inner space is occupied, and the inner space of the shield tunnel is more tense. In addition, the traveling mechanism of the existing working vehicle can not realize automatic turning, and the turning is quite constant.

Disclosure of Invention

The utility model provides a running gear of shield tunnel construction operation car according to prior art's not enough, this running gear can be fine with the curved surface contact of shield structure section of jurisdiction, can solve the problem that current operation car can't directly walk on the shield structure section of jurisdiction to drive arrangement and turn mechanism, can realize that the automatic drive operation advances and turns, solve the difficulty that current operation car walked and turned and exist in the shield structure tunnel.

In order to achieve the above object, the utility model provides a running gear of shield tunnel construction operation car, its characterized in that: the traveling mechanism comprises a traveling support, a turning mechanism, a main driving wheel and a driven wheel, the main driving wheel comprises a first mounting support, a main driving wheel body, a main driving wheel deflection support and a power system mounted in the middle of the main driving wheel body, the main driving wheel body is fixedly mounted on the main driving wheel deflection support and is rotatably connected with the first mounting support through the main driving wheel deflection support, and a driving wheel positioning mechanism is arranged at the connection position of the main driving wheel body and the main driving wheel deflection support; the driven wheel comprises a second mounting bracket, a driven wheel deflection bracket and a driven wheel body, a central rotating shaft of the driven wheel body is fixedly connected with the driven wheel deflection bracket and is rotatably connected with the second mounting bracket through the driven wheel deflection bracket, and a driven wheel positioning mechanism is arranged at the connecting part of the driven wheel body; the main driving wheel is arranged at the front part of the bottom surface of the walking bracket through a first mounting bracket, a brake mechanism is arranged at the main driving wheel, the driven wheel is arranged at the rear part of the bottom surface of the walking bracket through a second mounting bracket, and the deflection directions and the deflection angles of the wheel body of the main driving wheel and the wheel body of the driven wheel are the same; the turning mechanism comprises a front wheel turning oil cylinder and a rear wheel turning oil cylinder, the front wheel turning oil cylinder is installed at the position of a main driving wheel, the rear wheel turning oil cylinder is installed at the rear side of the main driving wheel, the piston end of the front wheel turning oil cylinder is connected with a first installing support through a hinge, the rear wheel turning oil cylinder is fixedly installed on a traveling support in front of a driven wheel, and the piston end of the rear wheel turning oil cylinder is connected with a second installing support through a hinge.

The utility model discloses better technical scheme: the brake mechanism comprises a brake support, a brake block, a threaded connecting shaft, a hand wheel, a joint bearing and a brake nut fixed on the brake support, the brake support is installed on the walking support, the hand wheel is sleeved above the threaded connecting shaft and fixed through a pressing plate and a fastening screw, the threaded connecting shaft is in threaded connection with the brake nut, the lower end of the threaded connecting shaft is fixedly connected with the joint bearing, the brake block is fixedly installed at the lower end of the joint bearing, and when the hand wheel is rotated, the brake block is controlled to descend through the threaded connecting shaft and the brake nut and is in contact with the surface of a wheel body of the main driving wheel.

The utility model discloses better technical scheme: first installing support and second installing support all constitute by the vertical alignment jig of horizontal installation board and perpendicular to horizontal installation board, set up a plurality of bolt holes with walking support fixed connection on horizontal installation board to through a plurality of fastening bolt fixed mounting in walking support's bottom.

The utility model discloses better technical scheme: the power system comprises a hydraulic motor and a reduction gearbox; the main driving wheel deflection bracket is a hollow bracket, a rotating shaft hole is formed in the middle of the main driving wheel hub bracket, the hydraulic motor is fixedly installed in the hollow part of the main driving wheel hub bracket through a first inner hexagon screw, and a power output shaft of the hydraulic motor is fixed in the middle of the main driving wheel hub bracket through the first inner hexagon screw; the hydraulic motor is connected with an external hydraulic transmission system and a hydraulic control system.

The utility model discloses better technical scheme: and the driven wheel deflection bracket is fixed on the central rotating shaft of the driven wheel hub bracket through a second inner hexagon screw.

The utility model discloses better technical scheme: the front wheel turning oil cylinder is fixedly arranged on the first oil cylinder mounting plate; and a second oil cylinder mounting plate is arranged at the position close to the driven wheel at the bottom of the walking support, and a rear wheel turning oil cylinder is fixedly mounted with the second oil cylinder mounting plate.

The utility model discloses further technical scheme: the main driving wheel body and the driven wheel body are both rubber wheel bodies and comprise rubber rollers and wheel hub brackets; the main driving wheel body and the driven wheel body deflect 0-60 degrees towards the radial direction of the wheel body simultaneously.

The utility model discloses better technical scheme: a first oil cylinder lug plate is arranged on one side, close to the front wheel turning oil cylinder, of the first mounting bracket, and the piston end of the front wheel turning oil cylinder is mounted on the first oil cylinder lug plate through a rotating shaft; and a second oil cylinder lug plate is arranged on one side of the second mounting bracket close to the rear wheel turning oil cylinder, and the piston end of the rear wheel turning oil cylinder is mounted on the second oil cylinder lug plate through a rotating shaft.

The utility model discloses better technical scheme: the vertical adjusting frame is a trough plate formed by welding three vertical steel plates, rotating shaft holes are correspondingly formed in two parallel vertical steel plates, the main driving wheel deflection bracket and the driven wheel deflection bracket are correspondingly provided with rotating shaft holes, and the main driving wheel deflection bracket and the driven wheel deflection bracket are respectively embedded between two parallel plates of the corresponding vertical adjusting frame and are rotationally connected through the rotating shafts; the driving wheel positioning mechanism and the driven wheel positioning mechanism respectively comprise locking bolts, at least two limiting adjusting holes arranged on two parallel plate surfaces of the vertical adjusting frame and positioning holes arranged on the corresponding deflection bracket, and the positioning holes of the deflection bracket correspond to different limiting adjusting holes in the rotating process of the deflection bracket and are fixedly locked through the locking bolts.

The utility model has the advantages that:

(1) the utility model can be directly installed on the operation vehicle through bolts, is provided with a driving mechanism and a turning mechanism, and can be used as a running mechanism of the shield operation vehicle to freely run and turn in the shield tunnel;

(2) the angle of the wheel body part of the travelling wheel contacted with the ground can be adjusted, the deflection or the reset is realized, the wheel body can travel on a plane and also on a curved surface with radian, the tread of the tire can be ensured to be effectively contacted with the curved surface when the wheel body travels on the curved surface, and the abrasion of the wheel body is avoided;

(3) the utility model can directly and stably walk on the shield pipe piece, thereby avoiding the consumption of manpower and material resources caused by laying temporary tracks on the shield pipe piece and saving the inner space of the tunnel;

(4) the motor of the utility model adopts a hydraulic motor, which has the characteristics of simple structure, even and stable transmission speed, stepless speed change and the like.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

fig. 2 is a schematic front structural view of the present invention;

fig. 3 is a bottom view of the present invention;

FIG. 4 is a schematic view of the main driving wheel structure of the present invention;

FIG. 5 is a schematic cross-sectional view of the main drive wheel of the present invention;

fig. 6 is a schematic structural view of the driven wheel of the present invention;

fig. 7 is a schematic cross-sectional view of a driven wheel of the present invention;

fig. 8 is a schematic structural view of the mounting bracket of the driving wheel and the driven wheel of the present invention;

fig. 9 and 10 are schematic structural views of the brake mechanism of the present invention.

In the figure: 1-a traveling bracket, 101-a mounting hole, 102-a first cylinder mounting plate, 103-a second cylinder mounting plate, 2-a brake mechanism, 201-a brake bracket, 202-a brake pad, 203-a threaded connecting shaft, 204-a hand wheel, 205-a joint bearing, 206-a brake nut, 207-a pressing plate, 208-a fastening screw, 3-a front wheel turning cylinder, 4-a rear wheel turning cylinder, 5-a main driving wheel, 501-a first mounting bracket, 5010-a horizontal mounting plate, 5011-a vertical adjusting bracket, 5012-a rotating shaft hole, 5013-a first cylinder lug plate, 502-a main driving wheel turning bracket, 503-a main driving wheel, 504-a power system, 505-a rotating shaft, 506-a driving wheel positioning mechanism, 5061-a limit adjusting hole, 5062-a positioning hole, 507-a main driving wheel hub bracket, 508-a first inner hexagon screw, 6-a driven wheel, 601-a second mounting bracket, 6010-a second cylinder lug plate, 602-driven wheel positioning mechanism, 603-driven wheel deflection support, 604-driven wheel body, 6041-driven wheel hub support, 605-second hexagon socket head cap screw, and 7-fastening bolt.

Detailed Description

The invention is further illustrated by the following figures and examples. Fig. 1 to 5 are drawings of embodiments, which are drawn in a simplified manner and are only used for the purpose of clearly and concisely illustrating the embodiments of the present invention. The following claims presented in the drawings are specific to embodiments of the invention and are not intended to limit the scope of the claimed invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "inner", "outer", "left", "right", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, or the orientations or positional relationships that the products of the present invention are conventionally placed in use, or the orientations or positional relationships that are conventionally understood by those skilled in the art, and are used for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the equipment or elements referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.

The embodiment provides a travelling mechanism of a shield tunnel construction operation vehicle, and particularly as shown in fig. 1 to 3, the travelling mechanism comprises a travelling support 1, a turning mechanism, a main driving wheel 5 and a driven wheel 6, wherein the travelling support 1 is a horizontal support plate, a plurality of mounting holes 101 are formed in the surface of the travelling support 1, and the travelling support can be used for being mounted on a chassis of the operation vehicle or directly used as a support platform to mount an operation platform. The main driving wheel 5 is arranged at the front part of the bottom surface of the walking bracket 1 through a first mounting bracket 501 and is used as a driving wheel of the walking mechanism, and a brake mechanism 2 is arranged at the main driving wheel 5; the driven wheel 6 is mounted on the rear part of the bottom surface of the walking bracket 1 through a second mounting bracket 601 and serves as a walking wheel of the walking structure. The turning mechanism comprises a front wheel turning oil cylinder 3 arranged at a main driving wheel 5 and a rear wheel turning oil cylinder 4 arranged at a driven wheel 6, the front wheel turning oil cylinder 3 is fixedly arranged on a walking bracket 1 at the rear side of the main driving wheel 5, in order to facilitate the installation, a first oil cylinder mounting plate 102 is arranged at the position, close to the main driving wheel 5, of the bottom of the walking bracket 1, a first oil cylinder lug plate 5013 is arranged at one side, close to the front wheel turning oil cylinder 3, of the first mounting bracket 501, the front wheel turning oil cylinder 3 is fixedly arranged on the first oil cylinder mounting plate 102, and the piston end of the front wheel turning oil cylinder is arranged on the first oil cylinder lug plate 5013 through a rotating shaft; a second oil cylinder mounting plate 103 is arranged at a position close to the driven wheel 6 at the bottom of the walking support 1, a second oil cylinder lug plate 6010 is arranged at one side of the second mounting support 601 close to the rear wheel turning oil cylinder 4, the rear wheel turning oil cylinder 4 is fixedly mounted on the second oil cylinder mounting plate 103, and a piston end of the second oil cylinder lug plate 6010 is mounted on the second oil cylinder lug plate 6010 through a rotating shaft. The front wheel turning oil cylinder 3 and the rear wheel turning oil cylinder 4 are connected with an external hydraulic transmission system and a hydraulic control system through hydraulic pipelines, and automatic control of the turning oil cylinders can be achieved.

As shown in fig. 4 and 5, the main driving wheel 5 used in the embodiment includes a first mounting bracket 501, a main driving wheel body 503, a main driving wheel deflecting bracket 502, and a power system 504 mounted in the middle of the main driving wheel body 503, where the main driving wheel body 503 is a rubber wheel body and includes a rubber roller and a hub bracket, and the main driving wheel deflecting bracket 502 is a hollow bracket and is mounted in the center of the wheel body. The power system 504 comprises a hydraulic motor and a reduction gearbox; the main driving wheel deflection bracket 502 is a hollow bracket, a rotating shaft hole is arranged in the middle of the main driving wheel hub bracket 507, the hydraulic motor is fixedly arranged in the hollow part of the main driving wheel hub bracket 507 through a first inner hexagon screw 508, so that the hydraulic motor is convenient to be externally connected with a hydraulic pipeline, and a power output shaft of the hydraulic motor is fixed in the middle of the main driving wheel hub bracket 507 through the first inner hexagon screw 508; the first socket head cap screw 508 includes a socket head cap screw and a spring washer. The hydraulic motor is connected with an external hydraulic transmission system and a hydraulic control system through a hydraulic pipeline, provides power for the wheel body 503, and can drive the wheel body to advance automatically. The main driving wheel deflection bracket 502 is rotatably connected with the first mounting bracket 501 through a rotating shaft 505, a driving wheel positioning mechanism 506 is arranged at the joint of the main driving wheel deflection bracket 502 and axially rotates towards the wheel body along the rotating shaft 505 to realize the deflection of the wheel body, the deflection of the wheel body can be clockwise or anticlockwise, specifically, the main driving wheel body is ensured to be in an inclined state after deflection according to requirements, can be well contacted with a curved surface, and is positioned and locked through the driving wheel positioning mechanism 506 after being deflected in place.

Driven wheel 6 used in the embodiment shown in fig. 6 and 7 includes a second mounting bracket 601, a driven wheel deflecting bracket 603, and a driven wheel body 604, where the driven wheel body 604 is also a rubber wheel body and includes a rubber roller and a hub bracket. The driven wheel deflection bracket 603 is fixed on the central rotating shaft of the driven wheel hub bracket 6041 through a second inner hexagon screw 605, the driven wheel deflection bracket 603 is also rotatably connected with the second mounting bracket 601 through a rotating shaft 505, and a driven wheel positioning mechanism 602 is arranged at the connecting part of the driven wheel deflection bracket 603 and the second mounting bracket. The driven wheel body 604 is deflected by the driven wheel deflecting support 603, so that the wheel body is in an inclined state and can be well contacted with a curved surface. The deflection direction and the deflection angle of the driven wheel body 604 are the same as those of the main driving wheel body 503, and the deflection angle is 0-60 degrees.

The first mounting bracket 501 and the second mounting bracket 601 in the embodiment are specifically composed of a horizontal mounting plate 5010 and a vertical adjusting bracket 5011 perpendicular to the horizontal mounting plate 5010, as shown in fig. 8, wherein a plurality of bolt holes fixedly connected with the walking bracket 1 are formed in the horizontal mounting plate 5010, and are fixedly mounted at the bottom of the walking bracket 1 through a plurality of fastening bolts 7. The vertical adjusting frame 5011 is a slotted plate formed by welding three vertical steel plates, two of the vertical steel plates which are parallel to each other are correspondingly provided with rotating shaft holes 5012, the main driving wheel deflection support 502 and the driven wheel deflection support 603 are correspondingly provided with rotating shaft holes, and the main driving wheel deflection support 502 and the driven wheel deflection support 603 are respectively embedded between two parallel plates corresponding to the vertical adjusting frame 5011 and are rotationally connected through a rotating shaft 505. As shown in fig. 5 and 8, the driving wheel positioning mechanism 506 includes a locking bolt, at least two limit adjusting holes 5061 disposed on two parallel plate surfaces of the vertical adjusting rack 5011, and a positioning hole 5062 correspondingly disposed on the main driving wheel deflecting bracket 502, wherein the positioning hole 5062 corresponds to the different limit adjusting holes 5061 on the first mounting bracket 501 during the rotation of the main driving wheel deflecting bracket 502, and is fixed and locked by the locking bolt. As shown in fig. 7 and 8, the driven wheel positioning mechanism 602 includes a locking bolt, at least two limit adjusting holes 5061 provided on two parallel plate surfaces of the vertical adjusting bracket 5011 of the second mounting bracket 601, and a positioning hole 5062 correspondingly provided on the driven wheel deflecting bracket 603, wherein the positioning hole 5062 corresponds to a different limit adjusting hole 5061 on the second mounting bracket 601 during the rotation of the driven wheel deflecting bracket 603, and is fixed and locked by the locking bolt.

The brake mechanism 2 in the embodiment is as shown in fig. 9 and 10, and comprises a brake bracket 201, a brake pad 202, a threaded connecting shaft 203, a hand wheel 204, a knuckle bearing 205 and a brake nut 206 fixed on the brake bracket 201, wherein the brake bracket 201 is mounted on the walking bracket 1, the hand wheel 204 is sleeved on the threaded connecting shaft 203 and fixed by a pressure plate 207 and a fastening screw 208, the threaded connecting shaft 203 is in threaded connection with the brake nut 206, the lower end of the threaded connecting shaft is fixedly connected with the knuckle bearing 205, the brake pad 202 is fixedly mounted on the lower end of the knuckle bearing 205, and when the hand wheel 204 is rotated, the brake pad is controlled by the threaded connecting shaft 203 and the brake nut 206 to descend to contact with the surface of the wheel body.

The driving wheel and the driven wheel in the embodiment can only realize the adjustment of deflection and reset. In the specific implementation process, the contact position of the travelling mechanism of the shield tunneling machine and the shield tunneling segment can be determined according to the size of the operation vehicle, so that the deflection angle of the shield tunneling machine is determined, the shield tunneling machine can be just in good contact with the segment after deflection, then two limiting adjusting holes 5061 are formed in two parallel plate surfaces of the vertical adjusting frame 5011 according to the deflection angle of the shield tunneling machine, one of the limiting adjusting holes is used as a reset hole, and the wheel body and the mounting frame are in a vertical state at the moment; the other hole is used as a deflection hole, and is just the deflection angle of the wheel body in the best contact state with the shield segment.

The utility model discloses a during the specific use, can directly install at the operation vehicle chassis or directly as bottom plate portion's installation operation support and operation platform above that to supporting installation hydraulic transmission system and hydraulic control system, at the driving system of this drive wheel and preceding, rear wheel turning cylinder all with hydraulic transmission system and hydraulic control system be connected alright. The utility model discloses a running gear is unilateral mechanism, when specifically using, can set up two sets ofly, and the symmetry is installed on the operation vehicle underframe.

The above description is only one embodiment of the present invention, and the description is specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims (9)

1. The utility model provides a running gear of shield tunnel construction operation car which characterized in that: the walking mechanism comprises a walking support (1), a turning mechanism, a main driving wheel (5) and a driven wheel (6), the main driving wheel (5) comprises a first mounting support (501), a main driving wheel body (503), a main driving wheel deflection support (502) and a power system (504) mounted in the middle of the main driving wheel body (503), the main driving wheel body (503) is fixedly mounted on the main driving wheel deflection support (502) and is rotatably connected with the first mounting support (501) through the main driving wheel deflection support (502), and a driving wheel positioning mechanism (506) is arranged at the connection position of the main driving wheel deflection support and the first mounting support; the driven wheel (6) comprises a second mounting bracket (601), a driven wheel deflection bracket (603) and a driven wheel body (604), a central rotating shaft of the driven wheel body (604) is fixedly connected with the driven wheel deflection bracket (603) and is rotatably connected with the second mounting bracket (601) through the driven wheel deflection bracket (603), and a driven wheel positioning mechanism (602) is arranged at the connecting part of the driven wheel deflection bracket (603); the main driving wheel (5) is mounted on the front portion of the bottom surface of the walking support (1) through a first mounting support (501), a brake mechanism (2) is mounted at the position of the main driving wheel (5), the driven wheel (6) is mounted on the rear portion of the bottom surface of the walking support (1) through a second mounting support (601), and the deflection directions and deflection angles of a main driving wheel body (503) and a driven wheel body (604) are the same; turning mechanism turns hydro-cylinder (3) and installs at the rear wheel that follows driving wheel (6) department including installing front wheel that main drive wheel (5) department turns hydro-cylinder (4), on walking bracket (1) of front wheel turning hydro-cylinder (3) fixed mounting main drive wheel (5) rear side, its piston end and first installing support (501) hinged joint, rear wheel turns hydro-cylinder (4) fixed mounting on walking bracket (1) in driving wheel (6) the place ahead, its piston end and second installing support (601) hinged joint.

2. The traveling mechanism of a shield tunnel construction work vehicle according to claim 1, characterized in that: the brake mechanism (2) comprises a brake support (201), a brake block (202), a threaded connecting shaft (203), a hand wheel (204), a joint bearing (205) and a brake nut (206) fixed on the brake support (201), the brake support (201) is installed on the walking support (1), the hand wheel (204) is sleeved on the threaded connecting shaft (203) and fixed through a pressure plate (207) and a fastening screw (208), the threaded connecting shaft (203) is in threaded connection with the brake nut (206), the lower end of the threaded connecting shaft is fixedly connected with the joint bearing (205), the brake block (202) is fixedly installed at the lower end of the joint bearing (205), and when the hand wheel (204) is rotated, the brake block is controlled to descend through the threaded connecting shaft (203) and the brake nut (206) to be in contact with the surface of the wheel body of the main driving wheel (5) for braking.

3. The traveling mechanism of a shield tunnel construction work vehicle according to claim 1 or 2, characterized in that: first installing support (501) and second installing support (601) all comprise horizontal mounting board (5010) and vertical adjusting bracket (5011) of perpendicular to horizontal mounting board (5010), set up a plurality of bolt holes with walking support (1) fixed connection on horizontal mounting board (5010) to through a plurality of fastening bolt (7) fixed mounting in the bottom of walking support (1).

4. The traveling mechanism of a shield tunnel construction work vehicle according to claim 1 or 2, characterized in that: the power system (504) comprises a hydraulic motor and a reduction gearbox; the main driving wheel deflection bracket (502) is a hollow bracket, a rotating shaft hole is formed in the middle of the main driving wheel hub bracket (507), the hydraulic motor is fixedly installed in the hollow part of the main driving wheel hub bracket (507) through a first inner hexagon screw (508), and a power output shaft of the hydraulic motor is fixed in the middle of the main driving wheel hub bracket (507) through the first inner hexagon screw (508); the hydraulic motor is connected with an external hydraulic transmission system and a hydraulic control system.

5. The traveling mechanism of a shield tunnel construction work vehicle according to claim 1 or 2, characterized in that: the driven wheel deflection bracket (603) is fixed on a central rotating shaft of a driven wheel hub bracket (6041) through a second inner hexagon screw (605).

6. The traveling mechanism of a shield tunnel construction work vehicle according to claim 1 or 2, characterized in that: the walking support (1) is a horizontal support plate, a plurality of mounting holes (101) are formed in the surface of the walking support, a first oil cylinder mounting plate (102) is arranged at the position, close to the main driving wheel (5), of the bottom of the walking support (1), and the front wheel turning oil cylinder (3) is fixedly mounted on the first oil cylinder mounting plate (102); a second oil cylinder mounting plate (103) is arranged at the position close to the driven wheel (6) at the bottom of the walking support (1), and the rear wheel turning oil cylinder (4) is fixedly mounted with the second oil cylinder mounting plate (103).

7. The traveling mechanism of a shield tunnel construction work vehicle according to claim 1 or 2, characterized in that: the main driving wheel body (503) and the driven wheel body (604) are both rubber wheel bodies and comprise rubber rollers and hub brackets; the main driving wheel body (503) and the driven wheel body (604) deflect 0-60 degrees towards the radial direction of the wheel bodies simultaneously.

8. The traveling mechanism of a shield tunnel construction work vehicle according to claim 1 or 2, characterized in that: a first oil cylinder lug plate (5013) is arranged on one side, close to the front wheel turning oil cylinder (3), of the first mounting bracket (501), and the piston end of the front wheel turning oil cylinder (3) is mounted on the first oil cylinder lug plate (5013) through a rotating shaft; and a second oil cylinder lug plate (6010) is arranged on one side, close to the rear wheel turning oil cylinder (4), of the second mounting bracket (601), and the piston end of the rear wheel turning oil cylinder (4) is mounted on the second oil cylinder lug plate (6010) through a rotating shaft.

9. The traveling mechanism of a shield tunnel construction work vehicle according to claim 3, characterized in that: the vertical adjusting frame (5011) is a slotted plate formed by welding three vertical steel plates, two of the vertical steel plates which are parallel to each other are correspondingly provided with a rotating shaft hole (5012), a main driving wheel deflection bracket (502) and a driven wheel deflection bracket (603) are correspondingly provided with rotating shaft holes, and the main driving wheel deflection bracket (502) and the driven wheel deflection bracket (603) are respectively embedded between two parallel plates of the corresponding vertical adjusting frame (5011) and are rotationally connected through a rotating shaft (505); drive wheel positioning mechanism (506) and follow driving wheel positioning mechanism (602) all include the locking bolt, set up two at least spacing regulation hole (5061) on two parallel faces of vertical alignment jig (5011) and set up locating hole (5062) on corresponding the support that deflects, its locating hole (5062) correspond different spacing regulation hole (5061) at the support rotation in-process that deflects to through the fixed locking of locking bolt.

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