Rail-mounted walking equipment and method suitable for subway cloth construction

Abstract

The invention relates to the field of metro construction equipment, in particular to rail-mounted walking equipment and method suitable for metro material distribution construction. The rail-mounted walking equipment comprises a material distribution vehicle underframe, and walking wheel rails are installed at the two ends of the material distribution vehicle underframe; supporting stand columns are fixedly installed on the lower surface of a bottom plate of the tire frame, and through grooves are formed in the lower ends of the supporting stand columns in a penetrating mode. An arc-shaped groove is formed in the lower surface of the connecting transverse table, an inner tooth groove is formed in the inner wall of the arc-shaped groove, and an arc-shaped positioning plate fixed to the rotating shaft is arranged above the rotating shaft. The device has the beneficial effects that the arc-shaped groove is formed in the lower surface of the connecting transverse table, and the inner tooth groove is formed in the inner wall of the arc-shaped groove, so that when the walking tires are pressed on the inner wall of the tunnel segment under the gravity of a material distribution vehicle, the arc-shaped positioning plate slightly moves upwards and is tightly attached to the inner wall of the arc-shaped groove, and at the moment, the outer tooth groove and the inner tooth groove are engaged and clamped; a stable positioning effect can be achieved on the running tires, and the running tires are prevented from deflecting.

Description

Technical Field

[0001] The invention relates to the field of subway construction equipment, and in particular to a track-type running equipment and method suitable for subway material laying construction. Background Art

[0002] The subway concrete placing vehicle is mainly used for long-distance transportation and pouring of concrete in subway track laying construction. It mainly consists of a running mechanism, a vehicle body, a mixing and placing system, a power system, a hydraulic system, an electronic control system, a driver's cab, etc.

[0003] In the prior art, the running mechanism of the material distributing vehicle includes a standard rail running mechanism and an adaptive angle tire running mechanism, wherein the running tires are located on both sides of the vehicle body and are driven by hydraulics to rotate and adjust the angle.

[0004] However, at present, after the running tire angle is adjusted, its own stability is insufficient. Since the cross-section in the tunnel is circular, the friction between the running tire and the pipe segment will produce a deflection torque on the running tire, which is easy to cause the running tire angle to change, posing a great safety hazard. To this end, the present invention proposes a track-type running device and method suitable for subway material laying construction to solve the above problems. Summary of the invention

[0005] The object of the present invention is to provide a track-type running device and method suitable for subway material laying construction, so as to solve the problems of poor positioning effect and easy deflection after the running tire angle is adjusted mentioned in the above background technology.

[0006] To achieve the above object, the present invention provides the following technical solution: a track-type running device suitable for subway material laying construction, comprising:

[0007] A material distributing vehicle underframe, wherein both ends of the material distributing vehicle underframe are equipped with running wheel rails, and both sides of both ends of the material distributing vehicle underframe are equipped with tire racks, and running tires are installed under the tire racks;

[0008] The running tires are arranged in groups of two, and a rotating shaft is arranged between the two running tires. A supporting column is fixedly installed on the lower surface of the bottom plate of the tire frame, and a through slot is penetrated through the lower end of the supporting column. A shaft sleeve is arranged on the outer rotating sleeve of the rotating shaft, and the shaft sleeve is slidably installed in the inner cavity of the through slot and adapted thereto;

[0009] A connecting platform is fixed to the upper end of the supporting column, an arc-shaped groove is provided on the lower surface of the connecting platform, and an inner tooth groove is provided on the inner wall of the arc-shaped groove, an arc-shaped positioning plate fixed thereto is arranged above the rotating shaft, and the arc-shaped positioning plate is matched with the arc-shaped groove, a gap is left between the arc-shaped positioning plate and the connecting platform, and an outer tooth groove matched with the inner tooth groove is provided on the upper surface of the arc-shaped positioning plate.

[0010] Preferably, lifting frames are provided at both ends of the material distribution vehicle underframe, and the lifting frames are driven to move vertically by lifting cylinders, and the lifting cylinders are fixedly connected to the material distribution vehicle underframe, and the running wheel rails are provided in groups of two and are respectively installed at both ends of the bottom of the lifting frames.

[0011] Preferably, auxiliary mounting frames are fixed at both ends of the cloth truck chassis, and the auxiliary mounting frames are hollow structures. A crossbeam is fixed on the top of the tire frame, and the crossbeam is movably inserted into the inner cavity of the auxiliary mounting frame. A variable span cylinder for driving the tire frame to move horizontally is fixedly installed on the auxiliary mounting frame.

[0012] Preferably, the sleeve has a square cross-section and a shaft hole is horizontally opened in the middle for the rotating shaft to pass through. A gap is left between the inner wall of the upper end of the through groove and the upper surface of the sleeve, and the size of the gap is equal to the gap between the arc-shaped positioning plate and the connecting cross platform.

[0013] Preferably, tire brackets are fixedly installed at both ends of the rotating shaft, the running tire is rotatably installed on the tire bracket, two arc-shaped positioning plates are arranged in a group and are respectively fixedly installed on the upper ends of the two tire brackets, the arc-shaped positioning plates are biased to one side of the tire bracket, and a plurality of evenly distributed stiffening plates are fixedly installed between the tire bracket and the arc-shaped positioning plates.

[0014] Preferably, an arc plate is arranged between the two arc positioning plates of the same group, connecting rods are fixed at both ends of the arc plate, and the two ends of the connecting rods are respectively fixedly connected to the two arc positioning plates, a worm gear groove is opened on the surface of the arc plate, and a driving worm that meshes with the worm gear groove is arranged on the outer side of the arc plate.

[0015] Preferably, a worm bracket is provided on the outer side of the driving worm, two parallel connecting vertical plates are fixed on the upper surface of the sleeve, and the upper ends of the two connecting vertical plates are respectively fixedly connected to the two sides of the worm bracket, and the two connecting vertical plates are respectively attached to the two side surfaces of the arc plate.

[0016] Preferably, an avoidance groove is opened through the inside of the supporting column, the arc plate, driving worm and worm bracket are all located in the inner cavity of the avoidance groove and slide vertically, a vertical groove is opened through the avoidance groove and the through groove, and the connecting vertical plate movably passes through the inner cavity of the vertical groove.

[0017] Preferably, a positioning slot is provided on the upper surface of the connecting platform, a boss corresponding to and adapted to the positioning slot is fixed on the lower surface of the bottom plate of the tire rack, and a plurality of evenly distributed studs are fixed on the upper surface of the connecting platform, the studs penetrate the bottom plate of the tire rack and are fixedly connected thereto by nuts.

[0018] A method for using the track-type running equipment adapted for subway material laying construction according to the above-mentioned method specifically comprises the following steps:

[0019] Step 1: Move the running wheel rail downward and place it on the track. The underframe of the material placing vehicle together with the running tire moves upward and is suspended. At this time, the rotating shaft and the arc positioning plate move slightly downward under the action of gravity, and the arc positioning plate is separated from the connecting horizontal platform. The rotating shaft rotates and drives the running tire to rotate to adjust the inclination angle of the running tire.

[0020] Step 2: The running wheel rail is retracted upwards, and the running tire is pressed against the inner wall of the tunnel segment as the main support of the device. At this time, the rotating shaft and the arc-shaped positioning plate are slightly moved upwards, and the outer tooth grooves and the inner tooth grooves are engaged and clamped with each other to limit the rotation of the rotating shaft and realize the angular positioning of the running tire to prevent the running tire from deflecting;

[0021] Step 3: Start the power system to drive the running tires to roll on the inner wall of the segment, so that the device can move along the length direction of the tunnel.

[0022] Compared with the prior art, the present invention has the following beneficial effects:

[0023] The present invention has an arc-shaped groove on the lower surface of the connecting cross platform, and an inner tooth groove is provided on the inner wall of the arc-shaped groove; an arc-shaped positioning plate matched with the arc-shaped groove is fixed on the upper end of the tire bracket, and an outer tooth groove matched with the inner tooth groove is provided on the surface of the arc-shaped positioning plate; the arc-shaped groove and the arc-shaped positioning plate are uniformly rotated concentrically with the axis; a shaft sleeve is provided on the outer movable sleeve of the rotating shaft, and the shaft sleeve slides vertically in the inner cavity of the through groove; when the running tire is suspended in the air, the arc-shaped positioning plate moves down slightly under the action of gravity and separates from the arc-shaped groove, and the running tire can be rotated to adjust the angle at this time; when the running tire is pressed against the inner wall of the tunnel segment by the gravity of the material distribution vehicle, the arc-shaped positioning plate moves up slightly and fits tightly with the inner wall of the arc-shaped groove, and the outer tooth groove and the inner tooth groove are meshed and clamped, which can play a stable positioning effect on the running tire and avoid deflection of the running tire. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a three-dimensional schematic diagram of the overall structure of the present invention;

[0025] Figure 2 It is a front schematic diagram of the overall structure of the present invention;

[0026] Figure 3 It is a three-dimensional schematic diagram of the tire rack structure of the present invention;

[0027] Figure 4 It is an exploded schematic diagram of the tire rack, supporting columns and rotating shaft structure of the present invention;

[0028] Figure 5 It is a three-dimensional schematic diagram of the supporting column structure of the present invention;

[0029] Figure 6 It is a three-dimensional schematic diagram of the arc-shaped positioning plate structure of the present invention;

[0030] Figure 7 It is a three-dimensional schematic diagram of the curved plate structure of the present invention;

[0031] Figure 8 A half-section schematic diagram of the supporting column structure of the present invention;

[0032] Fig. 9 It is a schematic cross-sectional view of the supporting column structure of the present invention.

[0033] In the figure: 1. cloth car chassis; 2. lifting frame; 21. running wheel track; 22. lifting cylinder; 3. tire frame; 31. running tire; 32. auxiliary mounting frame; 33. variable span cylinder; 4. supporting column; 41. through groove; 42. avoidance groove; 43. vertical groove; 5. connecting crossbeam; 51. arc-shaped groove; 511. inner tooth groove; 52. positioning slot; 53. stud; 6. rotating shaft; 61. shaft sleeve; 62. shaft hole; 63. connecting vertical plate; 7. tire bracket; 71. stiffening plate; 8. arc-shaped positioning plate; 81. outer tooth groove; 82. connecting rod; 9. arc-shaped plate; 91. worm wheel tooth groove; 92. driving worm; 93. worm bracket. DETAILED DESCRIPTION

[0034] In order to make the purpose and technical solution of the present invention clearly and completely described, and the advantages more clearly understood, the embodiments of the present invention are further described in detail with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are part of the embodiments of the present invention, rather than all of the embodiments, and are only used to explain the embodiments of the present invention, and are not used to limit the embodiments of the present invention. All other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0035] See also Figures 1 to 9 , the present invention provides a technical solution:

[0036] Embodiment 1, a track-type running equipment suitable for subway material laying construction, comprises: a material laying vehicle frame 1, on which are installed necessary system equipment such as a mixing material laying system, a power system, a hydraulic system, an electric control system and a driver's cab known in the prior art.

[0037] Specifically, running wheel rails 21 are installed at both ends of the material placing vehicle underframe 1. When the running wheel rails 21 are in contact with the track in the tunnel, the running wheel rails 21 can serve as the main support and running mechanism. Tire racks 3 are installed on both sides of both ends of the material placing vehicle underframe 1. Running tires 31 are installed below the tire racks 3. When the running wheel rails 21 are retracted, the running tires 31 contact the inner wall of the tunnel segment or the ground, and the running tires 31 serve as the main support and running mechanism. It should be noted that since the tunnel segment is an arc-shaped structure, the inclination and deflection angles of the running tires 31 need to be appropriately adjusted according to the location of the running tires 31.

[0038] Furthermore, two running tires 31 are arranged in a group, and a rotating shaft 6 is arranged between the two running tires 31. A supporting column 4 is fixedly installed on the lower surface of the bottom plate of the tire frame 3. A through groove 41 is penetrated through the lower end of the supporting column 4. A shaft sleeve 61 is arranged on the outer rotating sleeve of the rotating shaft 6. The shaft sleeve 61 is slidably installed in the inner cavity of the through groove 41 and is adapted thereto. The shaft sleeve 61 can only slide vertically for a certain distance in the inner cavity of the through groove 41. The rotating shaft 6 can only rotate around its own axis in the shaft sleeve 61, and the rotating shaft 6 drives the running tire 31 to deflect when rotating, so as to adjust the inclination angle of the running tire 31.

[0039] In addition, a connecting platform 5 is fixed at the upper end of the supporting column 4, an arc-shaped groove 51 is provided on the lower surface of the connecting platform 5, and an inner tooth groove 511 is provided on the inner wall of the arc-shaped groove 51, and the upper surface of the connecting platform 5 fits the lower surface of the bottom plate of the tire frame 3, and an arc-shaped positioning plate 8 fixed thereto is provided above the rotating shaft 6, and the arc-shaped positioning plate 8 is adapted to the arc-shaped groove 51, and a gap is left between the arc-shaped positioning plate 8 and the connecting platform 5, and an outer tooth groove 81 adapted to the inner tooth groove 511 is provided on the upper surface of the arc-shaped positioning plate 8, that is, when the rotating shaft 6 rotates, it can drive the arc-shaped positioning plate 8 to rotate accordingly, and when the sleeve 61 moves up in the inner cavity of the through groove 41, the arc-shaped positioning plate 8 can be synchronously moved up and stuck into the inner cavity of the arc groove 51, at this time, the outer tooth groove 81 and the inner tooth groove 511 are meshed and clamped with each other, and at this time, the center of the arc positioning plate 8 and the arc groove 51 coincide with the rotating shaft 6, so the arc positioning plate 8 cannot drive the rotating shaft 6 to rotate, that is, the inclination angle of the running tire 31 is fixed and cannot be deflected. When the inclination angle of the running tire 31 needs to be adjusted, the cloth truck underframe 1 is moved up, and the arc positioning plate 8 and the rotating shaft 6 move relative to the tire frame 3 under the action of gravity, and the arc positioning plate 8 is separated from the connecting horizontal platform 5. At this time, the arc positioning plate 8 and the rotating shaft 6 can rotate to adjust the inclination angle of the running tire 31;

[0040] It should be noted that the above-mentioned arc-shaped positioning plate 8 and rotating shaft 6 can slide vertically relative to the connecting horizontal platform 5 under the action of gravity. This is only an embodiment of the present application. According to actual needs, the present device can also arrange an elastic member between the upper surface of the sleeve 61 and the upper inner wall of the through groove 41, and drive the sleeve 61 to slide down in the inner cavity of the through groove 41 through the elastic force of the elastic member; or an oil cylinder, an air cylinder or the like that can be actively controlled to extend and retract is arranged between the sleeve 61 and the supporting column 4, and the staff actively controls the extension and retraction of the telescopic member to control the sliding of the sleeve 61 in the inner cavity of the through groove 41, thereby realizing the separation or approach of the arc-shaped positioning plate 8 and the connecting horizontal platform 5.

[0041] In order to realize the lifting of the device, the present application also has lifting frames 2 arranged at both ends of the material distributing vehicle frame 1, and the lifting frames 2 are driven to move vertically by the lifting cylinder 22, and the lifting cylinder 22 is fixedly connected to the material distributing vehicle frame 1, and the running wheel rails 21 are arranged in groups of two and are respectively installed at the two ends of the bottom of the lifting frames 2, such as Figure 1 and Figure 2 As shown, when the lifting cylinder 22 is working and extending, it can drive the lifting frame 2 to slide up and down in the vertical direction, so that the running wheel rail 21 can be retracted upward or extended downward. When the running wheel rail 21 is extended downward and abuts on the corresponding track, the lifting cylinder 22 is continued to be extended, so that the material distribution vehicle frame 1 together with the tire frame 3 and the running tire 31 can be lifted together, so that the running tire 31 is suspended in the air. Conversely, when the running wheel rail 21 is retracted, the material distribution vehicle frame 1 together with the tire frame 3 and the running tire 31 will descend until the running tire 31 abuts on the inner wall of the tunnel segment or on the ground.

[0042] In order to adjust the span of the device, the present application also has auxiliary mounting frames 32 fixed at both ends of the cloth truck chassis 1, and the auxiliary mounting frames 32 are hollow structures, a crossbeam is fixed on the top of the tire frame 3, and the crossbeam is movably plugged into the inner cavity of the auxiliary mounting frame 32, and a variable span oil cylinder 33 for driving the tire frame 3 to move horizontally is fixedly installed on the auxiliary mounting frame 32. Figure 3 As shown, when the span-changing cylinder 33 is extended, the span-changing cylinder 33 can drive the tire frame 3 and the running tire 31 to move in the horizontal direction, thereby realizing the span-changing adjustment of the device, and then being able to adapt to subway tunnels of different diameters.

[0043] In order to achieve the mutual approach or distance between the arc-shaped positioning plate 8 and the connecting horizontal platform 5, the cross-section of the shaft sleeve 61 of the present application is square, and a shaft hole 62 for the rotating shaft 6 to pass through is opened horizontally in the middle, and the inner wall of the shaft hole 62 is inlaid with a bearing, and the bearing and the rotating shaft 6 are interference fit, leaving a gap between the inner wall of the upper end of the through groove 41 and the upper surface of the shaft sleeve 61, so that the shaft sleeve 61 can only slide up and down in the inner cavity of the through groove 41, and the shaft sleeve 61 itself cannot rotate around the rotating shaft 6, or rotate with the rotating shaft 6, and the size of the gap between the inner wall of the upper end of the through groove 41 and the upper surface of the shaft sleeve 61 is equal to the gap between the arc-shaped positioning plate 8 and the connecting horizontal platform 5, when the sleeve 61 slides on the inner cavity of the through groove 41, the rotating shaft 6 and the arc-shaped positioning plate 8 can move up accordingly, and then the arc-shaped positioning plate 8 is clamped into the groove of the arc-shaped groove 51 from bottom to top. At this time, the outer tooth groove 81 and the inner tooth groove 511 are meshed and clamped with each other, so as to realize the rotation positioning of the arc-shaped positioning plate 8. The arc-shaped positioning plate 8 and the rotating shaft 6 cannot rotate, so as to avoid the tilting and deflection of the running tire 31. On the contrary, when the rotation positioning of the arc-shaped positioning plate 8 needs to be released, it is only necessary to move the sleeve 61 downward in the inner cavity of the through groove 41 until the arc-shaped positioning plate 8 moves down accordingly and is separated from the connecting cross table 5.

[0044] In order to install the running tire 31, the present application also has tire brackets 7 fixedly installed at both ends of the rotating shaft 6, the running tire 31 is rotatably installed on the tire bracket 7, the running tire 31 can only rotate inside the tire bracket 7, the rotation of the rotating shaft 6 drives the tire bracket 7 to rotate synchronously, and the inclination angle of the running tire 31 can be adjusted, and two arc-shaped positioning plates 8 are set as a group and are respectively fixedly installed on the upper ends of the two tire brackets 7, and the arc-shaped positioning plates 8 are biased to one side of the tire bracket 7, combined with Figure 2 As shown, when the running tire 31 is adjusted in angle, it only needs to be tilted outward from the vertical placement, so the arc positioning plate 8 is biased toward the side of the tire bracket 7 to ensure that the arc positioning plate 8 always has a partial area that can face the connecting cross platform 5. In addition, a plurality of evenly distributed stiffening plates 71 are fixedly arranged between the tire bracket 7 and the arc positioning plate 8 to improve the connection strength between the tire bracket 7 and the arc positioning plate 8 and avoid deformation of the arc positioning plate 8.

[0045] In order to provide power for the rotation of the rotating shaft 6 and the arc-shaped positioning plate 8, the present application also has an arc-shaped plate 9 arranged between the two arc-shaped positioning plates 8 in the same group, and both ends of the arc-shaped plate 9 are fixed with connecting rods 82, and the two ends of the connecting rod 82 are respectively fixedly connected to the two arc-shaped positioning plates 8. Figure 6 As shown, the center of the arc plate 9 coincides with the rotation axis 6. When the arc plate 9 rotates around the rotation axis 6, the arc positioning plate 8 can rotate accordingly. A worm gear groove 91 is provided on the surface of the arc plate 9. A driving worm 92 meshing with the worm gear groove 91 is provided on the outer side of the arc plate 9. Figure 7As shown, the driving worm 92 can drive the arc plate 9 to rotate around the rotating shaft 6 when rotating, thereby driving the arc positioning plate 8 and the rotating shaft 6 to rotate synchronously, and the driving worm 92 itself is driven to rotate by a motor known in the prior art.

[0046] In order to prevent the driving worm 92 and the arc plate 9 from being separated from each other, the present application further has a worm support 93 disposed on the outer side of the driving worm 92, and two parallel connecting vertical plates 63 are fixed to the upper surface of the sleeve 61, and the upper ends of the two connecting vertical plates 63 are respectively fixedly connected to the two sides of the worm support 93, and the two connecting vertical plates 63 are respectively attached to the two side surfaces of the arc plate 9, such as Figure 7 As shown, the relative position between the driving worm 92 and the shaft sleeve 61 is fixed. Since the arc plate 9 can only rotate around the rotating shaft 6, when the arc plate 9 and the rotating shaft 6 rotate, the arc plate 9 and the driving worm 92 can always maintain a meshing state and the two will not separate from each other. In addition, in order to adapt to the up and down movement of the driving worm 92, the motor used to drive the driving worm 92 to rotate needs to be slidably installed on the outside of the supporting column 4. The sliding installation between the motor and the supporting column 4 is an existing known technology and will not be elaborated here.

[0047] In order to avoid obstruction in the movement of the arc plate 9 and the driving worm 92, the present application also has an avoidance groove 42 running through the inside of the supporting column 4, the arc plate 9, the driving worm 92 and the worm bracket 93 are all located in the inner cavity of the avoidance groove 42 and slide vertically, the avoidance groove 42 is opened to avoid the arc plate 9, the driving worm 92 and the worm bracket 93 from being blocked by the supporting column 4 when moving upward, a vertical groove 43 is opened between the avoidance groove 42 and the through groove 41, and the connecting vertical plate 63 movably runs through the inner cavity of the vertical groove 43, the vertical groove 43 is opened to allow the connecting vertical plate 63 to slide, thereby ensuring that the driving worm 92 can be installed on the outside of the shaft sleeve 61 and remain relatively fixed with it.

[0048] In order to fix the connection between the connecting platform 5 and the tire rack 3, the present application also has a positioning slot 52 on the upper surface of the connecting platform 5, and a boss corresponding to and adapted to the positioning slot 52 is fixed on the lower surface of the bottom plate of the tire rack 3, and a plurality of evenly distributed studs 53 are fixed on the upper surface of the connecting platform 5, and the studs 53 penetrate the bottom plate of the tire rack 3 and are fixed thereto by nuts. The connecting platform 5 fits the bottom plate of the tire rack 3 from bottom to top and is fixed by the studs 53 and nuts. The cooperation between the positioning slot 52 and the boss can be used to improve the stability of the connection between the connecting platform 5 and the tire rack 3, and avoid horizontal sliding between the two, which causes the studs 53 to be bent under force, thereby preventing the studs 53 from being difficult to disassemble.

[0049] The present invention also discloses a method for using the above-mentioned rail-type running equipment adapted for subway material laying construction, which specifically comprises the following steps:

[0050] Step 1: Move the running wheel rail 21 downward and place it on the track. The material placing vehicle chassis 1 together with the running tire 31 moves upward and is in a suspended state. At this time, the rotating shaft 6 and the arc-shaped positioning plate 8 move downward slightly under the action of gravity, and the arc-shaped positioning plate 8 is separated from the connecting horizontal platform 5. The rotating shaft 6 rotates and drives the running tire 31 to rotate, so as to adjust the inclination angle of the running tire 31.

[0051] Step 2: The running wheel rail 21 is retracted upwards, and the running tire 31 is pressed against the inner wall of the tunnel segment as the main support of the device. At this time, the rotating shaft 6 together with the arc-shaped positioning plate 8 is slightly moved upwards, and the outer tooth groove 81 and the inner tooth groove 511 are engaged and clamped with each other to limit the rotation of the rotating shaft 6 and realize the angular positioning of the running tire 31 to prevent the running tire 31 from deflecting;

[0052] Step 3: Start the power system to drive the running tire 31 to roll on the inner wall of the pipe segment, so that the device can move along the length direction of the tunnel.

[0053] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A track-type running equipment suitable for subway material laying construction, characterized by: include: A material distribution vehicle underframe (1), wherein both ends of the material distribution vehicle underframe (1) are equipped with running wheel rails (21), both sides of both ends of the material distribution vehicle underframe (1) are equipped with tire racks (3), and running tires (31) are installed below the tire racks (3); The running tires (31) are arranged in groups of two, and a rotating shaft (6) is arranged between the two running tires (31); a supporting column (4) is fixedly installed on the lower surface of the bottom plate of the tire frame (3); a through groove (41) is penetrated through the lower end of the supporting column (4); a shaft sleeve (61) is arranged on the outer rotating sleeve of the rotating shaft (6); the shaft sleeve (61) is slidably installed in the inner cavity of the through groove (41) and is adapted thereto; A connecting platform (5) is fixed to the upper end of the supporting column (4), an arc-shaped groove (51) is provided on the lower surface of the connecting platform (5), and an inner tooth groove (511) is provided on the inner wall of the arc-shaped groove (51), an arc-shaped positioning plate (8) fixed thereto is arranged above the rotating shaft (6), and the arc-shaped positioning plate (8) is matched with the arc-shaped groove (51), a gap is left between the arc-shaped positioning plate (8) and the connecting platform (5), and an outer tooth groove (81) matched with the inner tooth groove (511) is provided on the upper surface of the arc-shaped positioning plate (8).

2. The track-type running equipment suitable for subway material laying construction according to claim 1 is characterized by: Both ends of the material distributing vehicle underframe (1) are provided with lifting frames (2), the lifting frames (2) are driven to move vertically by a lifting cylinder (22), the lifting cylinder (22) is fixedly connected to the material distributing vehicle underframe (1), and the running wheel rails (21) are provided in groups of two and are respectively installed at the two ends of the bottom of the lifting frames (2).

3. The track-type running equipment suitable for subway material laying construction according to claim 2 is characterized by: Auxiliary mounting frames (32) are fixed at both ends of the material distributing vehicle underframe (1), and the auxiliary mounting frames (32) are hollow structures; a crossbeam is fixed on the top of the tire frame (3), and the crossbeam is movably plugged into the inner cavity of the auxiliary mounting frame (32); and a variable span oil cylinder (33) for driving the tire frame (3) to move horizontally is fixedly mounted on the auxiliary mounting frame (32).

4. The track-type running equipment suitable for subway material laying construction according to claim 1 is characterized by: The shaft sleeve (61) has a square cross section and a shaft hole (62) is horizontally opened in the middle for the rotation shaft (6) to pass through. A gap is left between the inner wall of the upper end of the through groove (41) and the upper surface of the shaft sleeve (61), and the size of the gap is equal to the gap between the arc-shaped positioning plate (8) and the connecting horizontal platform (5).

5. The track-type running equipment suitable for subway material laying construction according to claim 1 is characterized by: Tire brackets (7) are fixedly mounted on both ends of the rotating shaft (6); the running tire (31) is rotatably mounted on the tire bracket (7); two arc-shaped positioning plates (8) are arranged in a group and are respectively fixedly mounted on the upper ends of the two tire brackets (7); the arc-shaped positioning plates (8) are biased toward one side of the tire bracket (7); and a plurality of evenly distributed stiffening plates (71) are fixedly mounted between the tire bracket (7) and the arc-shaped positioning plates (8).

6. The track-type running equipment suitable for subway material laying construction according to claim 5 is characterized by: An arc-shaped plate (9) is arranged between two arc-shaped positioning plates (8) of the same group, connecting rods (82) are fixed at both ends of the arc-shaped plate (9), and the two ends of the connecting rod (82) are respectively fixedly connected to the two arc-shaped positioning plates (8), a worm gear groove (91) is provided on the surface of the arc-shaped plate (9), and a driving worm (92) meshing with the worm gear groove (91) is arranged on the outer side of the arc-shaped plate (9).

7. The track-type running equipment suitable for subway material laying construction according to claim 6 is characterized by: A worm support (93) is arranged on the outer side of the driving worm (92), and two parallel connecting vertical plates (63) are fixed on the upper surface of the shaft sleeve (61), and the upper ends of the two connecting vertical plates (63) are respectively fixedly connected to the two sides of the worm support (93), and the two connecting vertical plates (63) are respectively in contact with the two side surfaces of the arc plate (9).

8. The track-type running equipment suitable for subway material laying construction according to claim 7 is characterized by: The support column (4) is provided with an escape groove (42) extending therethrough, the arc plate (9), the driving worm (92) and the worm support (93) are all located in the inner cavity of the escape groove (42) and slide vertically, a vertical groove (43) is provided between the escape groove (42) and the through groove (41), and the connecting vertical plate (63) movably extends through the inner cavity of the vertical groove (43).

9. The track-type running equipment suitable for subway material laying construction according to claim 1 is characterized by: The upper surface of the connecting platform (5) is provided with a positioning slot (52), the lower surface of the bottom plate of the tire rack (3) is fixed with a boss corresponding to and matching the positioning slot (52), and the upper surface of the connecting platform (5) is fixed with a plurality of evenly distributed studs (53), the studs (53) penetrate the bottom plate of the tire rack (3) and are fixed thereto by nuts.

10. A method for using the rail-type running equipment suitable for subway material laying construction according to any one of claims 1 to 9, characterized in that: The specific steps include: Step 1: Move the running wheel rail (21) downward and place it on the track, and move the material distribution vehicle frame (1) together with the running tire (31) upward and in a suspended state. At this time, the rotating shaft (6) and the arc-shaped positioning plate (8) slightly move downward under the action of gravity, and the arc-shaped positioning plate (8) is separated from the connecting horizontal platform (5). The rotating shaft (6) rotates and drives the running tire (31) to rotate, so as to adjust the inclination angle of the running tire (31); Step 2: The running wheel rail (21) is retracted upwards, and the running tire (31) is pressed against the inner wall of the tunnel segment as the main support of the device. At this time, the rotating shaft (6) together with the arc-shaped positioning plate (8) is slightly moved upwards, and the outer tooth groove (81) and the inner tooth groove (511) are engaged and clamped with each other to limit the rotation of the rotating shaft (6) and realize the angular positioning of the running tire (31), thereby preventing the running tire (31) from deflecting; Step 3: Start the power system to drive the running tire (31) to roll on the inner wall of the pipe segment, so that the device can move along the length direction of the tunnel.

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