CN114673098B - Self-propelled cantilever bridge fabrication machine - Google Patents

Abstract

The disclosure relates to the technical field of bridge fabrication, in particular to a self-propelled cantilever bridge fabrication machine. The invention provides a self-propelled cantilever bridge fabrication machine, which comprises a main beam, a stabilizing device and a driving wheel supporting device, wherein the stabilizing device comprises a cross beam and two reverse hooking beams correspondingly connected to two ends of the cross beam, the cross beam is fixedly connected to the tail end of the main beam, and the two reverse hooking beams are separated or abutted and reversely hooked on the bottom surface of a bridge main body; the driving wheel supporting device drives the main beam to move along the longitudinal direction of the bridge. Through setting up the repeated installation, demolish the process of moving roof beam anchor reinforcing bar of wheel strutting arrangement and stabilizer, realize that equipment independently walks, easy operation promotes automation and security, improves the efficiency of construction, reduces construction cost.

Description

Self-propelled cantilever bridge fabrication machine

Technical Field

The disclosure relates to the technical field of bridge fabrication, in particular to a self-propelled cantilever bridge fabrication machine.

Background

The existing bridge fabrication machine is required to anchor the walking beam on the bridge deck of the built beam, and the walking beam is connected with the main beam of the hanging basket through a reverse change gear, so that the hanging basket is prevented from overturning in the walking process. The hanging basket needs to lay the running beam on the top surface of the poured bridge again in the running process, then the main beam is guided to the new running beam, and the old running beam is removed; or by additionally arranging a device between the travelling beam and the hanging basket main beam, the relative movement of the hanging basket main beam and the travelling beam is realized, and the travelling process is finally completed. However, in the two methods, a plurality of vertical anchoring channels for walking are preset on the bridge, the rail pressing beams and the anchoring steel bars of the walking beams are required to be manually and repeatedly removed and installed in the walking process, the construction process is original and complicated, time and labor are wasted, the construction efficiency is low, the situation that the installation of the anchoring steel bars is not firm easily occurs, the hanging basket is inclined or even overturned integrally, and great loss is caused.

The automatic walking beam device has the advantages that the walking beam can be canceled, the vertical anchoring pore canal used for walking is canceled, the repeated installation and dismantling processes of the walking beam anchoring steel bars are canceled, the autonomous walking of equipment is realized, the operation is simple, the automation and the safety are remarkably improved, the energy consumption is reduced, the construction efficiency is improved, the construction cost is reduced, the low-carbon environment protection is realized, and the automatic walking beam device is a technical problem to be solved urgently by the current technicians in the field.

Disclosure of Invention

In order to solve the above technical problems or at least partially solve the above technical problems, the present disclosure provides a self-propelled cantilever bridge fabrication machine, including a main beam, a stabilizing device and a wheel supporting device, where the stabilizing device includes a cross beam and two anti-hooking beams correspondingly connected to two ends of the cross beam, the cross beam is fixedly connected to the tail end of the main beam, and the two anti-hooking beams are separated or contradicted and hooked on the bottom surface of the main bridge body; the driving wheel supporting device drives the main beam to move along the longitudinal direction of the bridge.

Optionally, the wheel supporting device includes support piece, wheel carrier and sets up walk the running wheel on the wheel carrier, support piece sets up on the wheel carrier, support piece is scalable structure for surpass under the state of stretching out the lower plane of running wheel is inconsistent with the bridge owner body.

Optionally, the wheel carrier comprises a mounting frame, a first equalizing beam and two equalizing beams Liang Er, wherein the first equalizing beam is in an inverted V shape, and two ends of the first equalizing beam are exposed and arranged in the mounting frame; the balance beam is characterized in that the two ends of the balance beam II are both connected with the running wheels, the two ends of the balance beam I are both horizontally provided with the balance Liang Er, the supporting piece is connected with the mounting frame, and the supporting piece is arranged between the two ends of the balance beam I.

Optionally, the supporting piece comprises a supporting sleeve column, a supporting oil cylinder and an electric bolt, wherein the supporting sleeve column comprises an inner sleeve column and an outer sleeve column, the outer sleeve column is sleeved on the inner sleeve column, and a base is arranged on the bottom surface of the inner sleeve column and is in spherical hinge connection with the base; the support cylinder stretches out and draws back in the cover of interior, outer cover post establishes the direction, and stretches out and holds fixedly in the interior cover post, the other end that is relative sets up in the outer cover post to set up in the outer cover post one end with overcoat pin hub connection, electronic bolt sets up on the outer cover post is used for the locking the relative position of interior cover post and outer cover post.

Optionally, the outer sleeve column is provided with a first bolt hole, the inner sleeve column body is provided with a second bolt hole, and the first bolt hole corresponds to the hole position of the second bolt hole in the state that the inner sleeve column is retracted or extended; the electric bolt fixes the relative positions of the inner sleeve column and the outer sleeve column through the first bolt hole and the second bolt hole.

Optionally, the reverse hook beam comprises a bending section and a telescopic section, and the bending section is connected with the cross beam; the telescopic section is provided with a rear hook wheel, the rear hook wheel is arranged on the telescopic part of the telescopic section, and the rear hook wheel is used for being abutted to the bridge body in the moving state of the stabilizing device and being separated from the bridge body in the fixed state of the stabilizing device.

Optionally, the cross beam is detachably connected with the reverse hooking beam.

Optionally, the stabilizing device further comprises an anchoring mechanism, wherein the anchoring mechanism comprises an anchoring suspender, a penetrating jack, an anchoring auxiliary beam, an anchor rod and an anchoring cantilever beam, the anchoring cantilever beam is fixedly connected to the cross beam, the number of the anchoring suspenders is multiple, one end of the anchoring suspender is connected with the pin shaft of the anchoring cantilever beam and is vertically arranged on two sides of the main beam, and the opposite end of the anchoring suspender is connected with the pin shaft of the anchoring auxiliary beam; the utility model discloses a bridge body, including anchor auxiliary beam, anchor auxiliary beam's mounting hole is a plurality of, the center through jack includes cylinder body and center through rod, the cylinder body sets up a plurality of between the anchor and with anchor auxiliary beam top surface rigid coupling, center through rod sets up in the cylinder body, and both ends expose the cylinder body, the first nut of screw joint of first end of center through rod, screw joint second nut behind its second end passed the bridge body.

Optionally, a limiting part is arranged on the bottom surface of the main beam, which is close to one end of the stabilizing device.

Optionally, still include the hanging beam that is used for installing the hanging basket, hanging beam quantity is two, and the level sets up respectively the middle section of girder with keep away from stabilising arrangement's one end.

Compared with the prior art, the beneficial effects of the present disclosure are: the running beam is canceled by arranging the driving wheel supporting device and the stabilizing device, repeated installation and dismantling processes of the running beam anchoring steel bars are canceled, autonomous running of the equipment is realized, the operation is simple, the automation and the safety are improved, the construction efficiency is improved, and the construction cost is reduced.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the disclosure and together with the description, serve to explain the principles of the disclosure.

In order to more clearly illustrate the embodiments of the present disclosure or the solutions in the prior art, the drawings that are required for the description of the embodiments or the prior art will be briefly described below, and it will be obvious to those skilled in the art that other drawings can be obtained from these drawings without inventive effort.

FIG. 1 is a schematic perspective view of the present disclosure;

FIG. 2 is a schematic view of the cross beam and the inverted hook beam of the present disclosure;

FIG. 3 is a schematic view of the structure of the stabilization device of the present disclosure;

FIG. 4 is one of the schematic structural views of the walking support device of the present disclosure;

FIG. 5 is a second schematic diagram of the walking support device of the present disclosure;

FIG. 6 is a schematic structural view of a mount and support of the present disclosure;

FIG. 7 is a second schematic structural view of the fastening device of the present disclosure;

FIG. 8 is a schematic view of the structure of the anchoring auxiliary beam, the through-center stephania, and the anchor rods of the present disclosure;

fig. 9 is a schematic structural view of an embodiment of the system for canceling hanging basket according to the present disclosure.

Wherein, 1-main beam; 2-a stabilizing device; 21-a cross beam; 22-reverse hooking beams; 202-a reverse hooking beam; 203-telescoping section; 206-rear hook wheel; 207-anchoring means; 2071-anchoring the boom; 2072-piercing jack; 2073-anchoring auxiliary beams; 2074-anchor rod; 2075-anchoring the cantilever; 3-hanging beams; 4-a wheel supporting device; 401-a stent; 4011-equalizing beam one; 4012-equalization Liang Er; 4013-mounting rack; 402-running wheels; 403-support; 4031-support sleeve column; 40311-inner sleeve column; 40312-jacket column; 4032-support cylinder; 4033-electric latch; 72-cylinder; 73-a pass through rod; 74-a first nut; 75-a second nut; a is a bolt hole; b-a second bolt hole; c-base; d-limiting piece.

Detailed Description

In order that the above objects, features and advantages of the present disclosure may be more clearly understood, a further description of aspects of the present disclosure will be provided below. It should be noted that, without conflict, the embodiments of the present disclosure and features in the embodiments may be combined with each other.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present disclosure, but the present disclosure may be practiced otherwise than as described herein; it will be apparent that the embodiments in the specification are only some, but not all, embodiments of the disclosure.

It should be noted that in this document, relational terms such as "first" and "second" and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

As shown in fig. 1-5, the disclosure provides a self-propelled cantilever bridge fabrication machine, which comprises a main beam 1, a stabilizing device 2 and a driving wheel supporting device 4, wherein the stabilizing device 2 comprises a cross beam 21 and two reverse hooking beams 22 correspondingly connected to two ends of the cross beam 21, the cross beam 21 is fixedly connected to the tail end of the main beam 1, and the two reverse hooking beams 22 are separated or abutted and reversely hooked on the bottom surface of a bridge main body; the driving wheel supporting device 4 drives the main beam 1 to move along the longitudinal direction of the bridge. The driving wheel supporting device 4 comprises a supporting piece 403, a wheel frame 401 and a driving wheel 402 arranged on the wheel frame 401, wherein the supporting piece 403 is arranged on the wheel frame 401, and the supporting piece 403 is of a telescopic structure and is used for abutting against the bridge main body beyond the lower plane of the driving wheel 402 in an extending state. In the anchoring state of the stabilizing device 2, the supporting part of the driving wheel supporting device 4 exceeds the lower plane of the driving wheel part to be abutted against the bridge main body, so that the relative position of the main beam 1 and the bridge main body is limited; in the state that the bridge fabrication machine needs to walk or is to walk, the supporting part of the movable wheel supporting device 4 is retracted to be above the lower horizontal plane of the movable wheel part of the movable wheel supporting device 4, the movable wheel part of the movable wheel supporting device 4 is contacted with the bridge main body, the stabilizing device 2 is loosened at the moment, the front end of the main beam of the bridge fabrication machine is pressed down and the rear end of the main beam is lifted up due to the dead weight of the front end of the main beam, the stabilizing device 2 is lifted (in some live conditions and schemes, the rear end of the main beam can be lifted up by using equipment such as a jack), at the moment, the hook part of the reverse hook beam 22 is contacted with the bottom surface of a flank of the bridge main body, after the reverse hook beam 22 is contacted, the power output of the movable wheel part of the movable wheel supporting device 4 moves forwards, the movable wheel part is braked after reaching a preset position, the supporting part of the movable wheel supporting device 4 stretches out and is fixed, and finally the relative position of the main beam and the bridge main body is fixed through the stabilizing device 2, and the walking of the bridge fabrication machine is completed. The wheel portion of the wheel support 4 in the embodiments of the present disclosure is a drive wheel, each of which has an independent drive means, such as a motor drive or the like.

In a preferred embodiment, a deviation correcting track matched with the running wheels is arranged on the bridge deck to prevent the running path deviation of the running wheels, or the deviation correction is carried out by adjusting the speed of each running wheel; the wheel supporting device 4 can be propped against the opposite direction to correct the deviation when the running is deviated by arranging the air cylinder on the wheel.

As shown in fig. 4 and 5, the wheel frame 401 includes a mounting frame 4013, a first equalizing beam 4011 and two equalizers Liang Er 4012, the first equalizing beam 4011 is in an inverted V shape to satisfy the stability of the first equalizing beam 4011, and two ends of the first equalizing beam 4011 are exposed and arranged in the mounting frame 4013; both ends of the equalization Liang Er 4012 are connected with running wheels 402, both ends of the equalization beam one 4011 are horizontally provided with equalization Liang Er 4012, a supporting piece 403 is connected with the mounting frame 4013, and the supporting piece 403 is arranged between both ends of the equalization beam one 4011. In the embodiment of the disclosure, the supporting member 403 is disposed under the mounting frame 4013, so that each running wheel 402 can be lifted and lowered horizontally in a supporting or retracted state, so that the angle of a certain or a plurality of running wheels 402 contacting the bridge deck with other running wheels 402 is different, the second cross beam is deformed after long-time use, and the service life is reduced.

As shown in fig. 4 and 6, the supporting member 403 includes a supporting sleeve 4031, a supporting cylinder 4032 and an electric plug 4033, the supporting sleeve 4031 includes an inner sleeve 40311 and an outer sleeve 40312, the outer sleeve 40312 is sleeved on the inner sleeve 40311, in this embodiment, the supporting sleeve 4031 is rectangular, so as to limit the axial rotation of the supporting device to affect the supporting and fixing effect in use, in other embodiments, the supporting sleeve 4031 may be a cylinder or other telescopic structure to meet different use requirements. The bottom surface of interior sleeve 40311 is provided with base C, and is connected with base C spherical hinge, because the dead weight of bridge fabrication machine hanging basket can the anteverted at the in-process girder, and base C is not all perpendicular when contradicting the bridge floor, increases the mobility of base C and interior sleeve 40311 through spherical hinge connection to better fixed girder.

As shown in fig. 4 and 6, the support cylinder 4032 stretches in the sleeving direction of the inner sleeve column and the outer sleeve column, the stretching end is fixedly connected in the inner sleeve column 40311, the opposite end is arranged in the outer sleeve column 40312, and one end arranged in the outer sleeve column 40312 is in pin connection with the outer sleeve column 40312, so that the support cylinder is convenient to replace. In the supporting process of the supporting cylinder 4032, a certain degree of position change can be generated in the supporting direction during long-time supporting, and in the embodiment of the disclosure, the electric plug 4033 is arranged on the outer sleeve 40312 and used for locking the relative positions of the inner sleeve 40311 and the outer sleeve 40312, so that the supporting force of the supporting cylinder 4032 can be released, the service life of the supporting cylinder 4032 is prolonged, and the supporting force of the supporting piece 403 is improved. The outer sleeve column 40312 is provided with a first bolt hole A, the column body of the inner sleeve column 40311 is provided with a second bolt hole B, and the first bolt hole A corresponds to the hole position of the second bolt hole B in the state that the inner sleeve column 40311 is retracted or extended; the electric bolt 4033 fixes the relative positions of the inner sleeve 40311 and the outer sleeve 40312 through the bolt holes a and the bolt holes B, and in the preferred embodiment, a sensor is arranged at the distance point of the inner sleeve and the outer sleeve of each corresponding bolt hole, and under the condition that the bridge deck plane gap is large, the support cylinder 4032 is controlled by the sensor to automatically correspond to the A, B bolt holes so as to avoid bolt failure.

As shown in fig. 2 and 3, the back hook beam 22 includes a bending section and a telescopic section 203, and the bending section is connected with the cross beam 21; the telescopic section 203 is provided with the rear hook wheel 206, the rear hook wheel 206 is arranged on the telescopic part of the telescopic section 203, the rear hook wheel 206 is used for being abutted against the bridge body in the moving state of the stabilizing device 2 and being separated from the bridge body in the fixed state of the stabilizing device 2, and preferably, the rear hook wheel 206 can swing in the horizontal direction through the swinging piece and the telescopic section 203, and the shape of the bridge flank can be better adapted.

As shown in fig. 2, the cross beam 21 is detachably connected with the back-hooking beam 22, preferably, the cross beam 21 is flange-connected with the back-hooking beam 22, and cross beams 21 with different lengths can be selected according to the width of the bridge main body, so that the adaptation degree of the stabilizing device 2 is higher.

As shown in fig. 1, 3, 7 and 8, the stabilizing device 2 further comprises an anchoring mechanism 207, the anchoring mechanism 207 comprises an anchoring suspender 2071, a penetrating jack 2072, an anchoring auxiliary beam 2073, an anchor rod 2074 and an anchoring cantilever beam 2075, the anchoring cantilever beam 2075 is fixedly connected on a cross beam 21, if the cross beam 21 with a narrower bridge width is shorter, the anchoring cantilever beam 2075 can also be arranged on the horizontal section of the back-hooked beam 22, one end of the anchoring suspender 2071 is in pin connection with the anchoring cantilever beam 2075 and is vertically arranged on two sides of the main beam 1, the opposite end of the anchoring suspender 207is in pin connection with the anchoring auxiliary beam 2073, and the anchoring cantilever beam 2075, the anchoring suspender 2071 and the anchoring auxiliary beam 2073 form a deformable rectangular structure through upper and lower pin connection, so that the activity degree of the anchoring mechanism 207 during tightening is satisfied, and the situation of various slopes of a bridge deck can be adapted; the anchor rods 2074 are multiple, the anchor rods 2073 are fixed with the bridge main body through the mounting holes of the anchor auxiliary beams 2073, the penetrating jack 2072 comprises a cylinder 72 and a penetrating rod 73, the cylinder 72 is arranged between the anchor rods 2074 and fixedly connected with the top surface of the anchor auxiliary beams 2073, the penetrating rod 73 is arranged in the cylinder 72, two ends of the penetrating rod are exposed out of the cylinder 72, and a first end of the penetrating rod 73 is in threaded connection with a first nut 74 and a second end of the penetrating rod 73 is in threaded connection with a second nut 75 after penetrating through the bridge main body. When the anchoring mechanism 207 is used, the penetrating rod 73 in the penetrating jack 2072 passes through an anchor hole preset on a bridge deck and then is fixed by a fixing nut, the penetrating jack 2072 stretches in the direction of the bridge deck to pull down the cross beam 21 and the reverse hooking beam 22 so that the main beam is horizontal to the bridge deck, then one end of the anchor rod 2074 is screwed with a nut, passes through an installation hole of the anchoring auxiliary beam 2073 and then passes through the anchor hole preset on the bridge deck and is fixed by a bolt, and the number of the bridge fabrication machine anchor rods 2074 according to different sizes is not used, and the preferred number is more than or equal to 2.

As shown in fig. 3 and 7, in order to prevent excessive pulling down when the anchor mechanism 207 pulls down the girder of the bridge fabrication machine, a limiting member D is disposed on the bottom surface of the girder 1 near one end of the stabilizing device 2, and an elastic member is disposed at the connection between the limiting member D and the girder 1 to reduce vibration during pulling down, where the elastic member may be a shock pad, a spring, etc.

As shown in fig. 1, the technical scheme of the present disclosure further includes two hanging beams 3 for installing hanging baskets, which are respectively horizontally disposed at the middle section of the main beam 1 and at one end far away from the stabilizing device 2, for bearing the weight of the hanging basket during running and the weight of the bridge built by the part during concrete pouring, and transmitting the load to the main beam.

In another embodiment, as shown in fig. 9, the self-propelled bridge fabrication machine of the present disclosure is used for segment assembly construction, the cradle system is omitted, the hanging beam 3 is omitted, and a front cross beam is arranged at the front end of the main beam. The front cross beam is provided with a pulley, and the rear end of the main beam is provided with a winch; or a lifting system is directly arranged on the front cross beam. The method can be quickly modified and used for segment assembly construction.

The foregoing is merely a specific embodiment of the disclosure to enable one skilled in the art to understand or practice the disclosure. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the disclosure. Thus, the present disclosure is not intended to be limited to the embodiments shown and described herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (9)

1. The self-propelled cantilever bridge fabrication machine is characterized by comprising a main beam (1), a stabilizing device (2) and a driving wheel supporting device (4), wherein the stabilizing device (2) comprises a cross beam (21) and two reverse hooking beams (22) correspondingly connected to two ends of the cross beam (21), the cross beam (21) is fixedly connected to the tail end of the main beam (1), and the two reverse hooking beams (22) are separated or contradicted and reversely hooked on the bottom surface of a bridge main body; the driving wheel supporting device (4) drives the main beam (1) to move along the longitudinal direction of the bridge;

the stabilizing device (2) further comprises an anchoring mechanism (207), wherein the anchoring mechanism (207) comprises an anchoring suspender (2071), a penetrating jack (2072), an anchoring auxiliary beam (2073), an anchor rod (2074) and an anchoring cantilever beam (2075), the anchoring cantilever beams (2075) are fixedly connected to the cross beam (21), one ends of the anchoring suspenders (2071) are in pin connection with the anchoring cantilever beams (2075) and are vertically arranged on two sides of the main beam (1), and the opposite ends of the anchoring suspender are in pin connection with the anchoring auxiliary beam (2073); the anchor rods (2074) are multiple, the anchor rods are fixed with the bridge main body through mounting holes of the anchor auxiliary beams (2073) through bolts, the penetrating jack (2072) comprises a cylinder body (72) and a penetrating rod (73), the cylinder body (72) is arranged among the anchor rods (2074) and fixedly connected with the top surface of the anchor auxiliary beams (2073), the penetrating rod (73) is arranged in the cylinder body (72), the two ends of the penetrating rod are exposed out of the cylinder body (72), and a first end of the penetrating rod (73) is in threaded connection with a first nut (74) and a second end of the penetrating rod is in threaded connection with a second nut (75) after penetrating through the bridge main body.

2. The self-propelled boom bridge fabrication machine according to claim 1, wherein the wheel supporting device (4) comprises a supporting member (403), a wheel frame (401) and a travelling wheel (402) arranged on the wheel frame (401), the supporting member (403) is arranged on the wheel frame (401), and the supporting member (403) is of a telescopic structure, and is used for abutting against the bridge main body beyond the lower plane of the travelling wheel (402) in the extending state.

3. The self-propelled boom bridge fabrication machine according to claim 2, wherein the wheel frame (401) comprises a mounting frame (4013), a balancing beam one (4011) and two balancing beams Liang Er (4012), wherein the balancing beam one (4011) is in an inverted V shape, and two ends of the balancing beam one are exposed and arranged in the mounting frame (4013); both ends of the balance Liang Er (4012) are connected with the running wheels (402), both ends of the balance beam I (4011) are horizontally provided with the balance Liang Er (4012), the supporting piece (403) is connected with the mounting frame (4013), and the supporting piece (403) is arranged between both ends of the balance beam I (4011).

4. The self-propelled boom bridge fabrication machine according to claim 2, wherein the support member (403) comprises a support sleeve column (4031), a support cylinder (4032) and an electric plug pin (4033), the support sleeve column (4031) comprises an inner sleeve column (40311) and an outer sleeve column (40312), the outer sleeve column (40312) is sleeved on the inner sleeve column (40311), and a base (C) is arranged on the bottom surface of the inner sleeve column (40311) and is in spherical hinge connection with the base (C); the support cylinder (4032) stretches out and draws back in the direction of the sleeve of inner sleeve column (40311) and outer sleeve column (40312), and the end that stretches out is fixed firmly in inner sleeve column (40311), and the opposite other end sets up in outer sleeve column (40312), and set up in outer sleeve column (40312) one end with outer sleeve column (40312) round pin hub connection, electronic bolt (4033) set up on outer sleeve column (40312) for the locking inner sleeve column (40311) and the relative position of outer sleeve column (40312).

5. The self-propelled boom bridge fabrication machine according to claim 4, wherein the outer sleeve (40312) is provided with a first bolt hole (a), the inner sleeve (40311) is provided with a second bolt hole (B), and the first bolt hole (a) corresponds to a hole site of the second bolt hole (B) in a state that the inner sleeve (40311) is retracted or extended; the electric bolt (4033) fixes the relative positions of the inner sleeve column (40311) and the outer sleeve column (40312) through a bolt hole I (A) and a bolt hole II (B).

6. The self-propelled cantilever bridge fabrication machine according to claim 1, characterized in that the back-hooking beam (22) comprises a bending section and a telescopic section (203), the bending section being connected with the cross beam (21); the telescopic section (203) is provided with a rear hook wheel (206), the rear hook wheel (206) is arranged on a telescopic part of the telescopic section (203), and the rear hook wheel (206) is used for being abutted against the bridge body in the moving state of the stabilizing device (2) and separated from the bridge body in the fixed state of the stabilizing device (2).

7. Self-propelled cantilever bridge fabrication machine according to claim 1, characterized in that the cross beam (21) is detachably connected to the counter-hooking beam (22).

8. The self-propelled cantilever bridge fabrication machine according to claim 1, wherein a limiting piece (D) is arranged on the bottom surface of the main beam (1) close to one end of the stabilizing device (2).

9. The self-propelled cantilever bridge fabrication machine according to claim 1, further comprising hanging beams (3) for installing hanging baskets, wherein the number of the hanging beams (3) is two, and the hanging beams are respectively horizontally arranged at the middle section of the main beam (1) and one end far away from the stabilizing device (2).