High-stability bearing structure for bridge fabrication machine

Abstract

The invention relates to the field of bridge fabrication machines, in particular to a high-stability bearing structure for a bridge fabrication machine, which comprises a connecting plate and a walking track, two groups of adjusting mechanisms are mounted between the connecting plate and the walking track, and the two groups of adjusting mechanisms are respectively used for jacking two ends of the walking track; the adjusting mechanism comprises a first threaded cylinder rotationally installed on the connecting plate and an adjusting screw rod arranged at the top of the first threaded cylinder in a penetrating mode, the adjusting screw rod is rotationally connected with the walking track, a first fixing block is fixedly connected to the connecting plate, an adjusting rotating shaft is rotationally installed on the first fixing block, and the adjusting rotating shaft and the first threaded cylinder are sleeved with a first conveying belt; and a first gear is fixedly connected to the adjusting rotating shaft, a driving motor is slidably mounted on the connecting plate, a second gear is fixedly connected to an output shaft of the driving motor, and the second gear can be engaged with the first gears in the two adjusting mechanisms correspondingly. The problem that the mounting efficiency of the bearing structure is low is solved.

Description

Technical Field

[0001] The invention relates to the field of bridge-building machines, and in particular to a high-stability bearing structure for bridge-building machines. Background Art

[0002] The bridge-building machine is a bridge-building equipment that integrates multiple technologies such as hydraulic transmission, intelligent control, and information monitoring. It is mainly used for operations such as steel bar binding and concrete pouring during bridge construction, and can greatly improve the automation, informationization, and intelligent construction level of cantilever cast-in-place beams. The bridge-building machine is mainly composed of load-bearing rods, hydraulic integral formwork, hydraulic adjustment, automatic travel, information monitoring, integral hoisting of steel bar skeletons, platform protection and other systems.

[0003] In the related technology, the bearing structure of the bridge-building machine includes a walking track, a main truss, a main hanger, a corbel and a fixed component. The walking track is installed on the bridge pier. A connecting piece is fixedly connected to the walking track. The walking track is anchored to the bridge pier through the connecting piece. A plurality of pads are arranged under the walking track. The pads are connected to the walking track by bolts. Jacks are arranged at both ends of the walking track. The jacks can lift both ends of the walking track to adjust the height and inclination angle of the walking track. A plurality of pads can support the walking track. The main truss is installed on the walking track, and the main truss can slide along the walking track.

[0004] With respect to the above-mentioned related technologies, in the process of adjusting the inclination angle of the walking track, the staff are required to operate the jacks at both ends of the walking track respectively. Since the two ends of the walking track are far apart, the staff's efficiency in adjusting the inclination angle of the walking track is low, resulting in low installation efficiency of the bearing structure. Summary of the invention

[0005] In order to solve the problem of low installation efficiency of the bearing structure, the present invention provides a high-stability bearing structure for a bridge-building machine.

[0006] The present invention provides a high-stability bearing structure for a bridge-building machine using the following technical solutions: A highly stable bearing structure for a bridge-building machine, comprising a connecting plate installed on a bridge pier and a running track placed on the connecting plate, two sets of adjustment mechanisms are installed between the connecting plate and the running track, and the two sets of adjustment mechanisms are respectively used to lift the two ends of the running track; The adjusting mechanism comprises a first threaded barrel rotatably mounted on the connecting plate and an adjusting screw passing through the top of the first threaded barrel, the adjusting screw being rotatably connected to the walking track, a first fixing block being fixedly connected to the connecting plate, an adjusting shaft being rotatably mounted on the first fixing block, and a first conveyor belt being sleeved on the adjusting shaft and the first threaded barrel; A first gear is fixedly connected to the adjusting shaft, a driving motor is slidably mounted on the connecting plate, a second gear is fixedly connected to the output shaft of the driving motor, and the second gear can be respectively meshed with the first gears in the two groups of adjusting mechanisms.

[0007] Preferably, a support plate is placed under the walking track, the support plate is rotatably connected to the adjusting screw, a limiting mechanism is installed on the support plate, the limiting mechanism includes two limiting clamps slidably installed on the support plate, the two limiting clamps are respectively located on both sides of the walking track, both sides of the walking track are fixedly connected with track pressure plates, the two limiting clamps are respectively in contact with the track pressure plates, a limiting transmission member is installed on the connecting plate, and the driving motor can drive the two limiting clamps to move synchronously through the limiting transmission member.

[0008] Preferably, a second fixed block is fixedly connected to the connecting plate, and the limiting transmission member includes a transmission screw rotatably mounted on the second fixed block, a movable plate is slidably mounted on the connecting plate, the transmission screw is passed through the movable plate and is threadedly connected to the movable plate, a telescopic connection mechanism is installed on the movable plate, and the movable plate is connected to two limiting clamping plates through the telescopic connection mechanism, a limiting rotating shaft is rotatably mounted on the second fixed block, the limiting rotating shaft and the transmission screw are connected via a bevel gear set, a third gear is fixedly connected to the limiting rotating shaft, and when the second gear is separated from the first gear, the second gear meshes with the third gear.

[0009] Preferably, the support plate is provided with a through hole, and the two limit clamps are vertically provided with limit holes, the telescopic connection mechanism includes a second threaded cylinder rotatably mounted on the movable plate and a telescopic screw passed through the second threaded cylinder, the top of the telescopic screw is fixedly connected with a telescopic push plate, the telescopic push plate is fixedly connected with a telescopic guide rod passed through the movable plate, the top of the telescopic push plate is fixedly connected with two telescopic blocks, the two telescopic blocks both pass through the through hole and are respectively inserted into the limit holes, and a telescopic transmission member for driving the second threaded cylinder to rotate is installed on the connecting plate.

[0010] Preferably, the telescopic transmission member includes a rack fixedly connected to the driving motor, a connecting shaft is rotatably installed on the connecting plate, a connecting gear meshing with the rack is fixedly connected to the connecting shaft, a third fixed block is fixedly connected to the connecting plate, a telescopic rod is rotatably installed on the third fixed block, one end of the telescopic rod away from the third fixed block is rotatably connected to the moving plate, one end of the telescopic rod and the connecting shaft are sleeved with a second conveyor belt, and the other end of the telescopic rod is connected to the second threaded cylinder through a bevel gear set.

[0011] Preferably, a limiting guide rod is passed through the bottom of the limiting clamp, and a limiting bottom plate fixedly connected to the limiting guide rod is arranged under the support plate, a limiting spring is fixedly connected between the limiting clamp and the limiting bottom plate, the limiting bottom plate abuts against the support plate, and a separation component is installed on the limiting clamp, and the telescopic block can drive the limiting bottom plate to separate from the support plate through the separation component.

[0012] Preferably, a first slide groove is provided on the inner wall of the limiting opening, a second slide groove which penetrates the first slide groove is provided on the bottom of the limiting clamping plate, and the separation component comprises a first separation block slidably installed in the first slide groove and a second separation block slidably installed in the second slide groove, the first separation block extends into the limiting opening, and one end extending into the limiting opening is formed with a first inclined surface inclined downward, the telescopic card block can contact the first separation block, the top of the second separation block is formed with a second inclined surface which contacts the first separation block, and the bottom of the second separation block passes through the through opening and abuts against the limiting bottom plate.

[0013] Preferably, a limiting mounting groove is provided on the side wall of the limiting clamp, and a fixing component is installed on the limiting clamp, and the fixing component includes a fixing spring fixedly connected to the inner wall of the limiting mounting groove and a fixing block placed in the limiting mounting groove, the fixing spring is fixedly connected to the fixing block, and an end of the fixing block away from the fixing spring is formed with an upwardly inclined fixing slope, and the top of the track pressure plate can contact the bottom of the fixing block.

[0014] Preferably, a pull rope is fixedly connected to the fixed clamp block, and one end of the pull rope away from the fixed clamp block is fixedly connected to the second separation block.

[0015] Preferably, a moving component is installed on the connecting plate, a sliding groove is opened on the connecting plate, a sliding block is slidably installed in the sliding groove, the sliding block is fixedly connected to the driving motor, the moving component includes a moving screw rotatably installed in the sliding groove and a moving motor fixedly connected to the connecting plate, the moving screw is passed through the sliding block and threadedly connected to the sliding block, and the moving screw is fixedly connected to the output shaft of the moving motor.

[0016] In summary, the present invention includes at least the following beneficial technical effects: 1. When the inclination angle of the walking track needs to be adjusted, the driving motor is started, the driving motor drives the second gear to rotate, the second gear drives the first gear to rotate, the first gear drives the adjusting shaft to rotate, the adjusting shaft drives the first threaded barrel to rotate through the first conveyor belt, the first threaded barrel drives the adjusting screw to move, the adjusting screw drives one end of the walking track to be lifted, when one end of the walking track is lifted, the driving motor is moved to lift the other end of the walking track, which is convenient for the staff to operate and solves the problem of low installation efficiency of the bearing structure; 2. When the horizontal position of the walking track needs to be fine-tuned, the driving motor drives the two limit clamps to move synchronously through the limit transmission member, and the two limit clamps drive the walking track to slide on the support plate, so that the horizontal position of the walking track can be adjusted, which is convenient for the staff to operate. At the same time, the two limit clamps can limit the walking track. When the walking track needs to be bolted, the deviation of the walking track is avoided; 3. During the movement of the driving motor, the driving motor drives the second threaded cylinder to rotate through the telescopic transmission member, the second threaded cylinder drives the telescopic screw to move, the telescopic screw drives the telescopic push plate to move, the telescopic push plate drives the two telescopic blocks to be inserted into the limit openings respectively, during the movement of the moving plate, the telescopic block can drive the limit clamp to move, when the horizontal position adjustment of the walking track is completed, the driving motor is moved to separate the second gear from the third gear, the telescopic block disengages from the limit opening, and returns to the initial position, which will not interfere with the movement of other structures on the walking track. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of a high-stability load-bearing structure for a bridge-building machine according to an embodiment of the present invention.

[0018] Figure 2 It is a structural schematic diagram of the bearing structure of an embodiment of the present invention.

[0019] Figure 3 Schematic diagram of the structure of the connecting plate of the embodiment of the present invention.

[0020] Figure 4 Schematic diagram of the structure of the adjustment mechanism of the embodiment of the present invention.

[0021] Figure 5 Schematic diagram of the structure of the driving motor according to the embodiment of the present invention.

[0022] Figure 6 It is a structural schematic diagram of a telescopic connection mechanism according to an embodiment of the present invention.

[0023] Figure 7It is a schematic structural diagram of a limiting mechanism according to an embodiment of the present invention.

[0024] Figure 8 It is a schematic structural diagram of a limiting base plate according to an embodiment of the present invention.

[0025] Fig. 9 It is a schematic structural diagram of the separation component of an embodiment of the present invention.

[0026] Fig.10 It is a schematic structural diagram of a fixing component according to an embodiment of the present invention.

[0027] Explanation of the reference numerals: 1, connecting plate; 11, driving motor; 111, second gear; 2, walking track; 21, supporting plate; 211, through-hole; 22, track pressure plate; 3, adjusting mechanism; 31, first threaded cylinder; 32, adjusting screw; 33, adjusting shaft; 331, first gear; 34, first conveyor belt; 4, limiting mechanism; 41, limiting clamp; 411, limiting opening; 412, limiting mounting groove; 42, driving screw; 43, moving plate; 44, limiting shaft; 441, third gear ; 45. Limit guide rod; 46. Limit base plate; 47. Limit spring; 5. Telescopic connection mechanism; 51. Second threaded cylinder; 52. Telescopic screw; 53. Telescopic push plate; 54. Telescopic clamp; 55. Rack; 56. Connecting shaft; 561. Connecting gear; 57. Telescopic rod; 6. Separation component; 61. First separation block; 62. Second separation block; 7. Fixed component; 71. Fixed spring; 72. Fixed clamp; 73. Pull rope; 8. Moving component; 81. Moving screw; 82. Moving motor. DETAILED DESCRIPTION

[0028] The following is combined with Figure 1-10 The present invention is described in further detail.

[0029] The embodiment of the present invention discloses a highly stable load-bearing structure for a bridge-building machine. Figures 1 to 4, including a connecting plate 1, a walking track 2 and two sets of adjustment mechanisms 3. The connecting plate 1 is installed on the bridge pier, and the connecting plate 1 is anchored to the bridge pier. The walking track 2 is placed on the connecting plate 1. The two sets of adjustment mechanisms 3 are installed between the connecting plate 1 and the walking track 2. The two sets of adjustment mechanisms 3 can lift the two ends of the walking track 2 respectively; the adjustment mechanism 3 includes a first threaded barrel 31 and an adjusting screw 32. The first threaded barrel 31 is rotatably installed on the top of the connecting plate 1, and the adjusting screw 32 is vertically penetrated on the top of the first threaded barrel 31. The bottom of the adjusting screw 32 is rotatably connected to the bottom of the walking track 2, and a first fixed block is fixedly connected to the connecting plate 1, and an adjusting shaft 33 is rotatably installed on the first fixed block, and a first conveyor belt 34 is sleeved on the adjusting shaft 33 and the first threaded cylinder 31; a first gear 331 is fixedly connected to the adjusting shaft 33, and a driving motor 11 is slidably installed on the connecting plate 1, and a second gear 111 is fixedly connected to the output shaft of the driving motor 11, and the second gear 111 can respectively engage with the first gears 331 in the two sets of adjusting mechanisms 3.

[0030] When the inclination angle of the walking track 2 needs to be adjusted, the driving motor 11 is started, and the driving motor 11 drives the second gear 111 to rotate, and the second gear 111 drives the first gear 331 to rotate, and the first gear 331 drives the adjusting shaft 33 to rotate, and the adjusting shaft 33 drives the first threaded cylinder 31 to rotate through the first conveyor belt 34, and the first threaded cylinder 31 drives the adjusting screw 32 to move, and the adjusting screw 32 drives one end of the walking track 2 to be lifted. When the lifting of one end of the walking track 2 is completed, the driving motor 11 is moved to lift the other end of the walking track 2, which is convenient for the staff to operate and solves the problem of low installation efficiency of the bearing structure.

[0031] Reference Figure 3 and Figure 4A support plate 21 is placed under the walking track 2. When the position adjustment of the walking track 2 is completed, the walking track 2 and the support plate 21 are connected by bolts, and the support plate 21 is rotatably connected to the adjusting screw 32. When the position adjustment of the support plate 21 is completed, the support plate 21 is connected to the connecting plate 1 by bolts. A limiting mechanism 4 is installed on the support plate 21. The limiting mechanism 4 includes two limiting clamps 41. The two limiting clamps 41 are slidably installed on the top of the support plate 21. The two limiting clamps 41 are respectively located on both sides of the walking track 2. Both sides of the walking track 2 are fixedly connected with the track pressing plates 22. The two limiting clamps 41 are respectively connected to The track pressure plate 22 is in contact, and a limiting transmission part is installed on the connecting plate 1. The driving motor 11 can drive the two limiting clamps 41 to move synchronously through the limiting transmission part; when it is necessary to fine-tune the horizontal position of the walking track 2, the driving motor 11 drives the two limiting clamps 41 to move synchronously through the limiting transmission part, and the two limiting clamps 41 drive the walking track 2 to slide on the support plate 21, so as to adjust the horizontal position of the walking track 2, which is convenient for the staff to operate. At the same time, the two limiting clamps 41 can limit the walking track 2. When the walking track 2 needs to be bolted, the occurrence of deviation of the walking track 2 is avoided.

[0032] Reference Figures 3 to 6 A second fixed block is fixedly connected to the connecting plate 1, and the limiting transmission member includes a transmission screw 42, which is rotatably mounted on the second fixed block. A movable plate 43 is slidably mounted on the connecting plate 1, and the transmission screw 42 is inserted into the movable plate 43 and is threadedly connected to the movable plate 43. A telescopic connection mechanism 5 is installed on the movable plate 43, and the movable plate 43 is connected to the two limiting clamping plates 41 through the telescopic connection mechanism 5. A limiting rotating shaft 44 is rotatably mounted on the second fixed block, and the limiting rotating shaft 44 is connected to the transmission screw 42 through a bevel gear set. A third gear 441 is fixedly connected to the limiting rotating shaft 44. When the second gear 111 is separated from the first gear 331, the second gear 11 1 is meshed with the third gear 441; the driving motor 11 is moved, and the driving motor 11 drives the second gear 111 to move, and at the same time the moving plate 43 is connected to the two limiting clamping plates 41 through the telescopic connection mechanism 5, when the second gear 111 is separated from the first gear 331, the second gear 111 is meshed with the third gear 441, the second gear 111 drives the third gear 441 to rotate, the third gear 441 drives the limiting shaft 44 to rotate, the limiting shaft 44 drives the transmission screw 42 to rotate, the transmission screw 42 drives the moving plate 43 to move, the moving plate 43 drives the two limiting clamping plates 41 to move, and the horizontal position of the walking track 2 can be adjusted.

[0033] Reference Figures 5 to 7, a through hole 211 is provided on the support plate 21, and the two limit clamping plates 41 are vertically provided with limit holes 411. The telescopic connection mechanism 5 includes a second threaded barrel 51 and a telescopic screw 52. The second threaded barrel 51 is rotatably mounted on the top of the moving plate 43. The telescopic screw 52 is vertically penetrated through the top of the second threaded barrel 51. The top of the telescopic screw 52 is fixedly connected with a telescopic push plate 53. The bottom of the telescopic push plate 53 is fixedly connected with a telescopic guide rod penetrated on the moving plate 43. The top of the telescopic push plate 53 is fixedly connected with two telescopic blocks 54. The two telescopic blocks 54 pass through the through hole 211 and are respectively inserted into the limit holes 411. A telescopic transmission member for driving the second threaded barrel 51 to rotate is installed on the connecting plate 1; During the movement of the driving motor 11, the driving motor 11 drives the second threaded cylinder 51 to rotate through the telescopic transmission member, and the second threaded cylinder 51 drives the telescopic screw 52 to move, and the telescopic screw 52 drives the telescopic push plate 53 to move, and the telescopic push plate 53 drives the two telescopic blocks 54 to be inserted into the limit opening 411 respectively. During the movement of the moving plate 43, the telescopic block 54 can drive the limit clamping plate 41 to move. When the horizontal position adjustment of the walking track 2 is completed, the driving motor 11 is moved to separate the second gear 111 from the third gear 441, and the telescopic block 54 disengages from the limit opening 411 and returns to the initial position, which will not interfere with the movement process of other structures on the walking track 2.

[0034] Reference Figures 5 to 7 The telescopic transmission member includes a rack 55, which is fixedly connected to the driving motor 11, and a connecting shaft 56 is rotatably installed on the connecting plate 1. The connecting shaft 56 is fixedly connected to a connecting gear 561 that meshes with the rack 55. A third fixed block is fixedly connected to the connecting plate 1, and a telescopic rod 57 is rotatably installed on the third fixed block. One end of the telescopic rod 57 away from the third fixed block is rotatably connected to the movable plate 43, and one end of the telescopic rod 57 and the connecting shaft 56 are sleeved with a second conveyor belt, and the other end of the telescopic rod 57 is connected to the second threaded cylinder 51 through a bevel gear set; in the process of moving the driving motor 11, the driving motor 11 drives the rack 55 to move, the rack 55 drives the connecting shaft 56 to rotate, and the connecting shaft 56 drives the telescopic rod 57 to rotate through the second conveyor belt, and the telescopic rod 57 drives the second threaded cylinder 51 to rotate, so that the telescopic block 54 can be inserted into the limit opening 411.

[0035] Reference Figures 5 to 9A limiting guide rod 45 is provided at the bottom of the limiting clamping plate 41, and a limiting bottom plate 46 fixedly connected to the limiting guide rod 45 is provided below the support plate 21. A limiting spring 47 is fixedly connected between the limiting clamping plate 41 and the limiting bottom plate 46. The limiting bottom plate 46 abuts against the support plate 21. A separation component 6 is installed on the limiting clamping plate 41, and the telescopic block 54 can drive the limiting bottom plate 46 to separate from the support plate 21 through the separation component 6. In the process of the limiting clamping plate 41 limiting the walking track 2, the limiting spring 47 provides continuous pulling force to the limiting bottom plate 46, so that the limiting bottom plate 46 is tightly attached to the support plate 21, and the limiting clamp 41 is limited, thereby improving the stability of the limiting clamp 41 on the walking track 2. When it is necessary to fine-tune the horizontal position of the walking track 2, the telescopic block 54 is inserted into the limiting opening 411, and at the same time, the telescopic block 54 drives the limiting bottom plate 46 to move through the separation component 6, so that the limiting bottom plate 46 is separated from the support plate 21, and the limiting of the limiting clamp 41 is released.

[0036] Reference Figures 7 to 9 A first slide groove is provided on the inner wall of the limit opening 411, and a second slide groove which is connected with the first slide groove is provided at the bottom of the limit clamping plate 41. The separation component 6 includes a first separation block 61 and a second separation block 62. The first separation block 61 is slidably installed in the first slide groove, and the second separation block 62 is slidably installed in the second slide groove. The first separation block 61 extends into the limit opening 411, and one end extending into the limit opening 411 is formed with a first inclined surface which is inclined downward. The telescopic block 54 can contact the first separation block 61, and the second separation block 62 can be slidably installed in the second slide groove. The top of the block 62 is formed with a second inclined surface that contacts the first separation block 61, and the bottom of the second separation block 62 passes through the through-hole 211 and abuts against the limiting bottom plate 46; in the process of the telescopic card block 54 moving upward, the telescopic card block 54 first contacts the first inclined surface, and pushes the first separation block 61 to move through the first inclined surface, and the first separation block 61 pushes the second separation block 62 to move through the second inclined surface, and the second separation block 62 pushes the limiting bottom plate 46 to move, so that the limiting bottom plate 46 is separated from the support plate 21.

[0037] Reference Figures 5 to 10The cam 72 is in the state of being moved along the track 22, and the cam 72 is in the state of being moved along the track 22, so that the track 22 can be moved in the direction of rotation.

[0038] Reference Figures 8 to 10 A pull rope 73 is fixedly connected to the fixed block 72, and one end of the pull rope 73 away from the fixed block 72 is fixedly connected to the second separation block 62. During the movement of the second separation block 62, the second separation block 62 drives the fixed block 72 to move through the pull rope 73, so that the fixed block 72 is separated from the track pressure plate 22. When the walking track 2 is worn and needs to be replaced, it is convenient to replace the walking track 2.

[0039] Reference Figure 5 A moving component 8 is installed on the connecting plate 1, and a sliding groove is opened on the connecting plate 1. A sliding block is slidably installed in the sliding groove. The sliding block is fixedly connected to the driving motor 11. The moving component 8 includes a moving screw 81 and a moving motor 82. The moving screw 81 is rotatably installed in the sliding groove. The moving motor 82 is fixedly connected to the connecting plate 1. The moving screw 81 is penetrated in the sliding block and is threadedly connected to the sliding block. The moving screw 81 is fixedly connected to the output shaft of the moving motor 82; start the moving motor 82, the moving motor 82 drives the moving screw 81 to rotate, and the moving screw 81 drives the driving motor 11 to move, so as to change the position of the driving motor 11. At the same time, the moving screw 81 and the sliding block have a self-locking function, which can limit the driving motor 11.

[0040] The implementation principle of a high-stability bearing structure for a bridge-building machine in an embodiment of the present invention is as follows: the driving motor 11 is started, and the driving motor 11 drives one of the adjusting screws 32 to move, and the adjusting screw 32 drives one end of the walking track 2 to jack up. When the jacking up of one end of the walking track 2 is completed, the moving motor 82 is started, and the moving motor 82 drives the driving motor 11 to move, and the driving motor 11 drives another adjusting screw 32 to move, and the other end of the walking track 2 is jacked up, which is convenient for the staff to operate and solves the problem of low installation efficiency of the bearing structure; when the second gear When 111 is separated from the first gear 331, the second gear 111 is meshed with the third gear 441, and the two telescopic blocks 54 are respectively inserted into the limit openings 411, and the second gear 111 drives the third gear 441 to rotate, and the third gear 441 drives the limit shaft 44 to rotate, and the limit shaft 44 drives the transmission screw 42 to rotate, and the transmission screw 42 drives the moving plate 43 to move, and the moving plate 43 drives the two limit clamps 41 to move, and the two limit clamps 41 drive the walking track 2 to slide on the support plate 21 to adjust the horizontal position of the walking track 2.

[0041] The above are all preferred embodiments of the present invention, and are not intended to limit the protection scope of the present invention. Therefore, any equivalent changes made based on the structure, shape, and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A highly stable load-bearing structure for a bridge-building machine, comprising a connecting plate (1) mounted on a bridge pier and a walking track (2) placed on the connecting plate (1), characterized in that: Two sets of adjustment mechanisms (3) are installed between the connecting plate (1) and the running track (2), and the two sets of adjustment mechanisms (3) are used to lift the two ends of the running track (2) respectively; The adjusting mechanism (3) comprises a first threaded barrel (31) rotatably mounted on the connecting plate (1) and an adjusting screw (32) passing through the top of the first threaded barrel (31); the adjusting screw (32) is rotatably connected to the walking track (2); a first fixing block is fixedly connected to the connecting plate (1); an adjusting shaft (33) is rotatably mounted on the first fixing block; a first conveyor belt (34) is sleeved on the adjusting shaft (33) and the first threaded barrel (31); A first gear (331) is fixedly connected to the adjustment shaft (33), a drive motor (11) is slidably mounted on the connection plate (1), a second gear (111) is fixedly connected to the output shaft of the drive motor (11), and the second gear (111) can mesh with the first gears (331) in the two sets of adjustment mechanisms (3) respectively.

2. The high-stability bearing structure for a bridge-building machine according to claim 1 is characterized in that: A support plate (21) is placed below the walking track (2), the support plate (21) being rotatably connected to the adjusting screw (32), a limit mechanism (4) being installed on the support plate (21), the limit mechanism (4) comprising two limit clamps (41) slidably installed on the support plate (21), the two limit clamps (41) being respectively located on both sides of the walking track (2), both sides of the walking track (2) being fixedly connected to a track pressing plate (22), the two limit clamps (41) being respectively in contact with the track pressing plate (22), a limit transmission member being installed on the connecting plate (1), and the drive motor (11) being able to drive the two limit clamps (41) to move synchronously via the limit transmission member.

3. The high-stability bearing structure for a bridge-building machine according to claim 2 is characterized in that: The connecting plate (1) is fixedly connected to a second fixed block, the limiting transmission member comprises a transmission screw (42) rotatably mounted on the second fixed block, a moving plate (43) is slidably mounted on the connecting plate (1), the transmission screw (42) is inserted into the moving plate (43) and is threadedly connected to the moving plate (43), a telescopic connection mechanism (5) is mounted on the moving plate (43), the moving plate (43) is connected to two limiting clamping plates (41) via the telescopic connection mechanism (5), a limiting rotating shaft (44) is rotatably mounted on the second fixed block, the limiting rotating shaft (44) and the transmission screw (42) are connected via a bevel gear set, a third gear (441) is fixedly connected to the limiting rotating shaft (44), and when the second gear (111) is separated from the first gear (331), the second gear (111) is meshed with the third gear (441).

4. The high-stability bearing structure for a bridge-building machine according to claim 3 is characterized in that: The support plate (21) is provided with a through opening (211), and the two limit clamping plates (41) are both vertically provided with limit openings (411). The telescopic connection mechanism (5) comprises a second threaded barrel (51) rotatably mounted on the movable plate (43) and a telescopic screw rod (52) penetrating the second threaded barrel (51). The top of the telescopic screw rod (52) is fixedly connected with a telescopic push plate (53), and the telescopic push plate (53) is fixedly connected with a telescopic guide rod penetrating the movable plate (43). The top of the telescopic push plate (53) is fixedly connected with two telescopic clamping blocks (54), and the two telescopic clamping blocks (54) both pass through the through opening (211) and are respectively inserted into the limit openings (411). A telescopic transmission member for driving the second threaded barrel (51) to rotate is mounted on the connecting plate (1).

5. The high-stability bearing structure for a bridge-building machine according to claim 4 is characterized in that: The telescopic transmission member comprises a rack (55) fixedly connected to the driving motor (11); a connecting shaft (56) is rotatably mounted on the connecting plate (1); a connecting gear (561) meshing with the rack (55) is fixedly connected to the connecting shaft (56); a third fixed block is fixedly connected to the connecting plate (1); a telescopic rod (57) is rotatably mounted on the third fixed block; one end of the telescopic rod (57) away from the third fixed block is rotatably connected to the moving plate (43); one end of the telescopic rod (57) and the connecting shaft (56) are sleeved with a second conveyor belt; and the other end of the telescopic rod (57) is connected to the second threaded cylinder (51) via a bevel gear set.

6. The high-stability bearing structure for a bridge-building machine according to claim 4 is characterized in that: A limiting guide rod (45) is passed through the bottom of the limiting clamping plate (41); a limiting bottom plate (46) fixedly connected to the limiting guide rod (45) is arranged below the support plate (21); a limiting spring (47) is fixedly connected between the limiting clamping plate (41) and the limiting bottom plate (46); the limiting bottom plate (46) abuts against the support plate (21); a separation component (6) is installed on the limiting clamping plate (41); and the telescopic clamping block (54) can drive the limiting bottom plate (46) to separate from the support plate (21) through the separation component (6).

7. The high-stability bearing structure for a bridge-building machine according to claim 6 is characterized in that: A first slide groove is provided on the inner wall of the limiting opening (411), a second slide groove is provided at the bottom of the limiting clamping plate (41) and is connected to the first slide groove, the separating component (6) comprises a first separating block (61) slidably mounted in the first slide groove and a second separating block (62) slidably mounted in the second slide groove, the first separating block (61) extends into the limiting opening (411), and one end extending into the limiting opening (411) is formed with a first inclined surface inclined downward, the telescopic clamping block (54) is capable of contacting the first separating block (61), the top of the second separating block (62) is formed with a second inclined surface contacting the first separating block (61), and the bottom of the second separating block (62) passes through the through opening (211) and abuts against the limiting bottom plate (46).

8. The high-stability bearing structure for a bridge-building machine according to claim 7 is characterized in that: A limiting installation groove (412) is provided on the side wall of the limiting clamp (41), and a fixing component (7) is installed on the limiting clamp (41), wherein the fixing component (7) comprises a fixing spring (71) fixedly connected to the inner wall of the limiting installation groove (412) and a fixing block (72) placed in the limiting installation groove (412), wherein the fixing spring (71) is fixedly connected to the fixing block (72), and an end of the fixing block (72) away from the fixing spring (71) is formed with a fixing inclined surface inclined upward, and the top of the track pressure plate (22) can contact the bottom of the fixing block (72).

9. The high-stability bearing structure for a bridge-building machine according to claim 8, characterized in that: A pull rope (73) is fixedly connected to the fixed clamping block (72), and one end of the pull rope (73) away from the fixed clamping block (72) is fixedly connected to the second separation block (62).

10. The high-stability bearing structure for a bridge-building machine according to claim 1, characterized in that: A moving component (8) is installed on the connecting plate (1), a sliding groove is provided on the connecting plate (1), a sliding block is slidably installed in the sliding groove, the sliding block is fixedly connected to the driving motor (11), the moving component (8) comprises a moving screw (81) rotatably installed in the sliding groove and a moving motor (82) fixedly connected to the connecting plate (1), the moving screw (81) is inserted into the sliding block and is threadedly connected to the sliding block, and the moving screw (81) is fixedly connected to the output shaft of the moving motor (82).

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