CN114673098A - Self-propelled cantilever bridge building machine - Google Patents

Abstract

The utility model relates to a bridge fabrication technical field especially relates to a self-propelled cantilever bridge fabrication machine. The self-propelled cantilever bridge fabrication machine comprises a main beam, a stabilizing device and a driving wheel supporting device, wherein the stabilizing device comprises a cross beam and two reverse hook 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 hook 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 process of installing repeatedly, demolising of driving wheel strutting arrangement and securing device walking roof beam anchor reinforcing bar, realize that equipment is independently walked, easy operation promotes automation and security, improves the efficiency of construction, reduces construction cost.

Description

Self-propelled cantilever bridge building machine

technical field

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

Background technique

The existing bridge building machine needs to anchor the running beam on the deck of the existing beam, and connect the running beam and the main girder of the hanging basket through the reverse hanging wheel to prevent the hanging basket from overturning during the running process. During the running process of the hanging basket, it is necessary to re-lay and anchor the running beam on the top surface of the poured bridge, and then guide the main beam to the new running beam, and then remove the old running beam; Additional devices are arranged between the main beams to realize the relative movement of the main beam of the hanging basket and the walking beam, and finally complete the walking process. However, both of these two methods need to pre-set a large number of vertical anchoring holes for walking on the bridge. During the walking process, it is necessary to manually remove and install the rail-pressing beam and the anchoring steel bar of the walking beam. The construction process is primitive and cumbersome, not only time-consuming, labor-intensive, The construction efficiency is low, and the installation of the anchoring steel bars is easy to occur, which leads to the inclination of the hanging basket or even the overall overturning, resulting in heavy losses.

Can cancel the running beam, cancel the vertical anchoring channel used for running, cancel the repeated installation and removal process of the walking beam anchoring steel bar, realize the equipment running independently, the operation is simple, significantly improve automation and safety, reduce energy consumption, improve construction efficiency, reduce The construction cost and the realization of low-carbon and environmental protection are technical problems to be solved urgently by those skilled in the art at present.

SUMMARY OF THE 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 building machine, including a main beam, a stabilizing device and a moving wheel support device, the stabilizing device includes a cross beam and a corresponding connecting The two anti-hook beams at both ends of the cross beam are fixed on the tail end of the main beam, and the two anti-hook beams are separated or collided with the back hook on the bottom surface of the bridge main body; the moving wheel supporting device drives the The main beam moves in the longitudinal direction of the bridge.

Optionally, the moving wheel support device includes a support member, a wheel frame, and a running wheel arranged on the wheel frame, the support member is arranged on the wheel frame, and the support member is a retractable structure for extending In the out state, the lower plane that exceeds the running wheel is in conflict with the main body of the bridge.

Optionally, the wheel frame includes a mounting frame, a first equalizing beam and two equalizing beams, the first equalizing beam is an inverted V shape, and the two ends are exposed in the mounting frame; the second equalizing beam The two ends of the equalizing beam are connected with the walking wheels, the two equalizing beams are horizontally arranged at both ends of the equalizing beam 1, the supporting member is connected with the mounting frame, and the supporting member is arranged on the equalizing beam. between one end.

Optionally, the support member includes a support sleeve column, a support oil cylinder and an electric latch, the support sleeve column includes an inner sleeve column and an outer sleeve column, the outer sleeve column is sleeved on the inner sleeve column, and the inner sleeve column is sleeved. The bottom surface of the column is provided with a base and is spherically connected with the base; the support oil cylinder expands and contracts in the sleeve setting direction of the inner and outer columns, and the extension end is fixed in the inner sleeve column, and the opposite The other end is arranged in the outer casing column, and one end arranged in the outer casing column is connected with the outer casing column pin, and the electric bolt is arranged on the outer casing column to lock the relative relationship between the inner casing column and the outer casing column. Location.

Optionally, the outer sleeve is provided with a first pin hole, the inner sleeve column is provided with a second pin hole, and the first pin hole is connected to the pin when the inner sleeve is retracted or extended. The hole positions of the second holes correspond to each other; the electric plug fixes the relative positions of the inner sleeve column and the outer sleeve column through the first and second bolt holes.

Optionally, the reverse hook beam includes a bending section and a telescopic section, the bending section is connected with the beam; a rear hook wheel is arranged on the telescopic section, and the rear hook wheel is arranged on the telescopic section On the telescopic part of the stabilizing device, the rear pulley is used for abutting with the bridge body in the moving state of the stabilizing device, and separating from the bridge body in the fixing state of the stabilizing device.

Optionally, the cross beam and the reverse hook beam are detachably connected.

Optionally, the stabilizing device further includes an anchoring mechanism, and the anchoring mechanism includes an anchoring boom, a core jack, an anchoring auxiliary beam, an anchor rod and an anchoring cantilever beam, and the anchoring cantilever beam is fixed on the cross beam, The number of the anchoring boom is multiple, one end is connected with the pin of the anchoring cantilever beam, and is vertically arranged on both sides of the main beam, and the opposite end is connected with the pin of the auxiliary anchoring beam; the anchor rods are multiple , bolted to the main body of the bridge through the mounting holes of the anchoring auxiliary beam, the through-core jack includes a cylinder body and a through-core rod, the cylinder body is arranged between a plurality of the anchor rods and is connected with the anchoring auxiliary beam The top surface is fixedly connected, the piercing rod is arranged in the cylinder body, and the cylinder body is exposed at both ends, the first end of the piercing rod is screwed with the first nut, and the second end of the piercing rod passes through the bridge body Then screw the second nut.

Optionally, a limiting member is provided on the bottom surface of one end of the main beam close to the stabilization device.

Optionally, it also includes hanging beams for installing the hanging basket, the number of the hanging beams is two, and the hanging beams are arranged horizontally at the middle section of the main beam and at one end away from the stabilizing device, respectively.

Compared with the prior art, the beneficial effects of the present disclosure are: by setting the moving wheel support device and the stabilizing device, the traveling beam is eliminated, and the repeated installation and removal process of the anchoring steel bar of the traveling beam is eliminated, so that the equipment can travel autonomously, the operation is simple, and the automation and safety are improved. improve construction efficiency and reduce construction costs.

Description of 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 technical solutions in the prior art, the following briefly introduces the accompanying drawings that are required in the description of the embodiments or the prior art. In other words, on the premise of no creative labor, other drawings can also be obtained from these drawings.

1 is a schematic diagram of a three-dimensional structure of the present disclosure;

Fig. 2 is the structural representation of the cross beam and the reverse hook beam of the present disclosure;

3 is a schematic structural diagram of the stabilizing device of the present disclosure;

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

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

6 is a schematic structural diagram of the mounting member and the supporting member of the present disclosure;

FIG. 7 is the second structural schematic diagram of the stabilizing device of the present disclosure;

Fig. 8 is the structural schematic diagram of the anchoring auxiliary beam, the piercing daughter and the anchor rod of the present disclosure;

FIG. 9 is a schematic structural diagram of an embodiment of the system for canceling the hanging basket of the present disclosure.

Among them, 1-main beam; 2-stabilizing device; 21-beam; 22-reverse hook beam; 202-reverse hook beam; 203- telescopic section; 206-rear pulley; 207-anchoring mechanism; 2071-anchoring boom; 2072-through jack; 2073-anchoring auxiliary beam; 2074-anchor rod; 2075-anchoring cantilever beam; 3-hanging beam; 4-moving wheel support device; 401-support; 4011-balance beam one; 4013-mounting frame; 402-running wheel; 403-support; 4031-support sleeve; 40311-inner sleeve; 40312-outer sleeve; 4032-support cylinder; 4033-electric bolt; 72-cylinder; 73-through Core rod; 74-first nut; 75-second nut; A-pin hole; B-pin hole two; C-base; D-limiting piece.

Detailed ways

In order to more clearly understand the above objects, features and advantages of the present disclosure, the solutions of the present disclosure will be further described below. It should be noted that the embodiments of the present disclosure and the features in the embodiments may be combined with each other under the condition of no conflict.

Many specific details are set forth in the following description to facilitate a full understanding of the present disclosure, but the present disclosure can also be implemented in other ways different from those described herein; obviously, the embodiments in the specification are only a part of the embodiments of the present disclosure, and Not all examples.

It should be noted that, in this document, relational terms such as "first" and "second" etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply these There is no such actual relationship or sequence between entities or operations. Moreover, the terms "comprising", "comprising" or any other variation thereof are intended to encompass non-exclusive inclusion such that a process, method, article or device comprising a list of elements includes not only those elements, but also includes not explicitly listed or other elements inherent to such a process, method, article or apparatus. Without further limitation, an element qualified by the phrase "comprising a..." does not preclude the presence of additional identical elements in a process, method, article or apparatus that includes the element.

As shown in FIGS. 1-5 , the present disclosure provides a self-propelled cantilever bridge building machine, which includes a main beam 1 , a stabilization device 2 and a moving wheel support device 4 . The stabilization device 2 includes a beam 21 and correspondingly connected at both ends of the beam 21 . Two anti-hook beams 22, the cross beam 21 is fixed on the rear end of the main beam 1, and the two anti-hook beams 22 are separated or contradicted to the bottom surface of the bridge main body; the moving wheel supporting device 4 drives the main beam 1 to move along the longitudinal direction of the bridge. The moving wheel supporting device 4 includes a supporting member 403, a wheel frame 401 and a running 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 a retractable structure, which is used to exceed the The lower plane of the running wheel 402 is in conflict with the main body of the bridge. In the state where the stabilizer 2 is anchored, the supporting part of the moving wheel supporting device 4 exceeds the lower plane of the moving wheel part and collides with the bridge main body, limiting the relative position of the main beam 1 and the bridge main body; when the bridge building machine needs to run or is to run , the support part of the moving wheel supporting device 4 is retracted to above the lower level of the moving wheel part of the moving wheel supporting device 4, and the moving wheel part of the moving wheel supporting device 4 is in contact with the main body of the bridge. At this time, the stabilization device 2 is loosened. The front end is pressed down by its own weight and the rear end is lifted up, and the stabilization device 2 is lifted (in some actual situations and solutions, the rear end of the main beam can also be jacked up with equipment such as a jack). The bottom surface of the side wings is in contact. After the anti-hook beam 22 is in contact, the power output of the moving wheel part of the moving wheel supporting device 4 moves forward. After reaching the predetermined position, the moving wheel part is braked. Fix the relative position of the main beam and the main body of the bridge to complete the running of the bridge building machine. In the embodiment of the present disclosure, the driving wheel part of the driving wheel supporting device 4 is a driving wheel, and each driving wheel has an independent driving device, such as a motor drive and the like.

In a preferred embodiment, in order to prevent the running wheels from deviating from the running route, a deviation-correcting track matched with the running wheels is arranged on the bridge deck, or the deviation is corrected by adjusting the speed of each running wheel; When the running is deviated, push the pressing wheel supporting device 4 in the opposite direction to correct the deviation.

As shown in Figures 4 and 5, the wheel frame 401 includes a mounting frame 4013, a first equalizing beam 4011 and two equalizing beams 4012. The first equalizing beam 4011 is an inverted V shape to meet the stability of the first equalizing beam 4011, and both ends The exposed ones are arranged in the mounting frame 4013; the two ends of the second equalizing beam 4012 are connected with the running wheels 402, the two ends of the equalizing beam one 4011 are horizontally provided with the second equalizing beam 4012, the supporting member 403 is connected with the mounting frame 4013, and the supporting member 403 is arranged between the two ends of the equalizing beam one 4011. In the embodiment of the present disclosure, the support member 403 is disposed directly below the mounting frame 4013, so that each running wheel 402 can rise and fall horizontally in the supported or retracted state, so as to prevent one or several running wheels 402 from interfering with other running wheels 402. The angle at which the running wheel 402 contacts the bridge deck is different, and the long-term use will deform the second beam and reduce the service life.

As shown in FIGS. 4 and 6 , the support member 403 includes a support sleeve 4031 , a support cylinder 4032 and an electric latch 4033 , the support sleeve 4031 includes an inner sleeve 40311 and an outer sleeve 40312 , and the outer sleeve 40312 is sleeved on the inner sleeve 40311 , in this embodiment, the support sleeve 4031 is rectangular, so as to limit the axial rotation of the support device to affect the support and fixation effect when in use. to meet different usage requirements. The bottom surface of the inner sleeve column 40311 is provided with a base C, and is connected with the base C spherical hinge, because the weight of the hanging basket of the bridge building machine will tilt forward during the running process, and when the base C touches the bridge deck, not any angle is vertical. Yes, the mobility of the base C and the inner sleeve column 40311 is increased through the spherical hinge connection, so as to better fix the main beam.

As shown in FIGS. 4 and 6 , the support oil cylinder 4032 expands and contracts in the direction of the inner and outer columns, and the extension end is fixed in the inner column 40311, and the opposite end is set in the outer column 40312, and is arranged in the outer column 40312. The inner end of the outer sleeve 40312 is pin-connected to the outer sleeve 40312 for easy replacement. During the supporting process of the supporting oil cylinder 4032, the position of the supporting cylinder 4032 will change to a certain degree in the supporting direction for a long time. The relative position of the outer column 40312 can release the support force of the support cylinder 4032, increase the service life of the support cylinder 4032, and improve the support force of the support member 403. The outer column 40312 is provided with a bolt hole 1A, the inner column 40311 is provided with a bolt hole 2B, and the bolt hole 1A corresponds to the hole position of the bolt hole 2B when the inner casing column 40311 is retracted or extended; The electric latch 4033 fixes the relative position of the inner sleeve 40311 and the outer sleeve 40312 through the first bolt hole A and the second bolt hole B. In a preferred embodiment, a sensor is set at the distance point of each inner and outer sleeve corresponding to the When the difference between the bridge deck planes is large, the support cylinder 4032 is controlled by the sensor to automatically correspond to the A and B bolt holes to prevent the bolt from failing.

As shown in FIGS. 2 and 3 , the reverse hook beam 22 includes a bending section and a telescopic section 203 , and the bending section is connected with the beam 22 ; On the telescopic part, the rear pulley 206 is used for abutting with the bridge body in the moving state of the stabilization device 2, and separating from the bridge body in the fixed state of the stabilization device 2. Preferably, the rear pulley 206 is connected to the telescopic section 203 through the pendulum piece. , the pendant can swing in the horizontal direction, which can better adapt to the shape of the bridge flank.

As shown in FIG. 2 , the cross beam 21 and the reverse hook beam 22 are detachably connected. Preferably, the cross beam 21 is flanged to the reverse hook beam 22. According to the width of the bridge body, different lengths of the beam 21 can be selected to make the stabilization device 2 fit. higher degree.

As shown in Figures 1, 3, 7 and 8, the stabilization device 2 further includes an anchoring mechanism 207, which includes an anchoring boom 2071, a through-core jack 2072, an anchoring auxiliary beam 2073, an anchor rod 2074 and an anchoring cantilever beam 2075. The cantilever beam 2075 is fixed on the beam 21. If the width of the bridge is narrower and the beam 21 is shorter, it can also be arranged on the horizontal section of the anti-hook beam 22. The number of anchoring hangers 2071 is multiple, and one end is pinned to the anchoring cantilever beam 2075. Connected and vertically arranged on both sides of the main beam 1, the opposite end is connected with the anchoring auxiliary beam 2073 pin, and the anchoring cantilever beam 2075, the anchoring hanger 2071 and the anchoring auxiliary beam 2073 form a deformable through the upper and lower pin connection. It has a rectangular structure, which satisfies the degree of activity of the anchoring mechanism 207 when it is tightened, so as to adapt to the various slopes of the bridge deck; there are multiple anchor rods 2074, which are bolted to the main body of the bridge through the installation holes of the anchoring auxiliary beam 2073. The jack 2072 includes a cylinder body 72 and a penetrating rod 73. The cylinder body 72 is arranged between a plurality of anchor rods 2074 and is fixedly connected with the top surface of the anchoring auxiliary beam 2073. The penetrating rod 73 is arranged in the cylinder body 72, and both ends are exposed In the cylinder block 72, the first end of the threaded rod 73 is screwed with the first nut 74, and the second end thereof is screwed with the second nut 75 after passing through the bridge body. When the anchoring mechanism 207 is in use, the piercing rods 73 in the piercing jacks 2072 pass through the anchor holes preset on the bridge deck and then the fixing nuts are fixed. Pull down to make the main girder level with the bridge deck, then screw one end of the anchor rod 2074 with a nut through the installation hole of the anchoring auxiliary beam 2073 and pass through the preset anchor hole on the bridge deck, and then fix it with bolts. The number of anchor rods 2074 is not used, and the preferred number is greater than or equal to 2.

As shown in Figures 3 and 7, in order to prevent excessive pulling when the anchoring mechanism 207 pulls down the main beam of the bridge building machine, a limiting member D is provided on the bottom surface of the main beam 1 near the end of the stabilization device 2, and the limiting member D is connected to the main beam. The connection of 1 is provided with an elastic member to reduce the shock when pulling down, and the elastic member can be a shock pad, a spring, etc.

As shown in FIG. 1 , the technical solution of the present disclosure also includes two hanging beams 3 for installing the hanging basket, which are horizontally arranged in the middle section of the main beam 1 and at one end away from the stabilizing device 2 , which are used to undertake the running time. The weight of the hanging basket and the weight of the part of the bridge under construction when the concrete is poured, and the load is transmitted to the main beam.

As shown in FIG. 9 , in another embodiment, when the self-propelled bridge building machine of the present disclosure is used for segment assembly construction, the hanging basket system is canceled, the hanging beam 3 is canceled, and a front beam is provided at the front end of the main beam. A pulley is set on the front beam, and a hoist is installed at the rear end of the main beam; or a hoisting system is directly set on the front beam. It can be quickly refitted and used for segmental assembly construction.

The above descriptions are only specific embodiments of the present disclosure, so that those skilled in the art can understand or implement the present disclosure. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present disclosure. Therefore, the present disclosure is not intended to be limited to the embodiments described herein, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (10)

1. A self-propelled cantilever bridge building machine, characterized in that it comprises a main beam (1), a stabilization device (2) and a moving wheel support device (4), the stabilization device (2) comprising a beam (21) and a corresponding Two reverse hook beams (22) connected at both ends of the cross beam (21), the cross beam (21) is fixed to the rear end of the main beam (1), and the two reverse hook beams (22) are separated Or contradictingly hook on the bottom surface of the bridge main body; the moving wheel support device (4) drives the main beam (1) to move along the longitudinal direction of the bridge. 2 . The self-propelled cantilever bridge building machine according to claim 1 , wherein the moving wheel supporting device ( 4 ) comprises a support ( 403 ), a wheel frame ( 401 ), and a wheel frame ( 401 ) provided on the wheel frame ( 401 ). 3 . ) on the running wheel (402), the supporting member (403) is arranged on the wheel frame (401), and the supporting member (403) is a retractable structure, used to exceed the running wheel (401) in the extended state 402) in conflict with the main body of the bridge. 3. The self-propelled cantilever bridge building machine according to claim 2, wherein the wheel frame (401) comprises a mounting frame (4013), a first equalizing beam (4011) and two equalizing beams (4012) , the first equalizing beam (4011) is an inverted V shape, and the exposed ends are arranged in the mounting frame (4013); the two ends of the equalizing beam (4012) are connected with the running wheels (402) ), both ends of the first equalizing beam (4011) are horizontally provided with the second equalizing beam (4012), the supporting member (403) is connected with the mounting frame (4013), and the supporting member (403) It is arranged between the two ends of the first equalizing beam (4011). 4. The self-propelled cantilever bridge building machine according to claim 2, wherein the support member (403) comprises a support sleeve (4031), a support oil cylinder (4032) and an electric bolt (4033), the The support sleeve (4031) includes an inner sleeve (40311) and an outer sleeve (40312), the outer sleeve (40312) is sleeved on the inner sleeve (40311), and the bottom surface of the inner sleeve (40311) A base (C) is provided and is spherically connected to the base (C); the support oil cylinder (4032) expands and contracts in the sleeve setting direction of the inner and outer columns, and the extension end is fixedly connected to the inner Inside the casing column (40311), the opposite end is arranged in the outer casing column (40312), and one end arranged in the outer casing column (40312) is connected to the outer casing column (40312) with a pin, and the electric plug (4033) It is arranged on the outer sleeve (40312) and used to lock the relative positions of the inner sleeve (40311) and the outer sleeve (40312). 5. The self-propelled cantilever bridge building machine according to claim 4, wherein the outer column (40312) is provided with a pin hole one (A), and the inner column (40311) column body is provided with a pin Hole two (B), the first pin hole (A) corresponds to the hole position of the second pin hole (B) when the inner sleeve (40311) is retracted or extended; the electric pin (40311) 4033) Fix the relative positions of the inner sleeve column (40311) and the outer sleeve column (40312) through the first (A) and second (B) bolt holes. 6 . The self-propelled cantilever bridge building machine according to claim 1 , wherein the reverse hook beam ( 22 ) comprises a bending section and a telescopic section ( 203 ), and the bending section is connected to the cross beam ( 6 . 22) Connection; the telescopic section (203) is provided with a rear pulley (206), the rear pulley (206) is arranged on the telescopic part of the telescopic section (203), the rear pulley (206) ) is used for abutting with the bridge body in the moving state of the stabilization device (2) and separating from the bridge body in the fixed state of the stabilization device (2). 7 . The self-propelled cantilever bridge building machine according to claim 1 , wherein the cross beam ( 21 ) and the anti-hook beam ( 22 ) are detachably connected. 8 . 8. The self-propelled cantilever bridge building machine according to claim 1, wherein the stabilization device (2) further comprises an anchoring mechanism (207), and the anchoring mechanism (207) comprises an anchoring boom (2071) , through the center jack (2072), the anchoring auxiliary beam (2073), the anchor rod (2074) and the anchoring cantilever beam (2075), the anchoring cantilever beam (2075) is fixed on the beam (21), the anchoring The number of the boom (2071) is multiple, one end is connected to the anchoring cantilever beam (2075) with a pin, and is vertically arranged on both sides of the main beam (1), and the opposite end is pinned to the anchoring auxiliary beam (2073) connection; there are multiple anchor rods (2074), which are bolted to the main body of the bridge through the mounting holes of the anchoring auxiliary beams (2073), and the through-core jack (2072) includes a cylinder (72) and a through-core rod ( 73), the cylinder (72) is arranged between a plurality of the anchor rods (2074) and is fixedly connected with the top surface of the anchoring auxiliary beam (2073), and the through-core rod (73) is arranged on the Inside the cylinder body (72), and the cylinder body (72) is exposed at both ends, the first end of the penetrating rod (73) is screwed with the first nut (74), and the second end is screwed through the bridge body. Connect the second nut (75). 9 . The self-propelled cantilever bridge building machine according to claim 1 , wherein a limiting member (D) is provided on the bottom surface of the main beam ( 1 ) close to one end of the stabilization device ( 2 ). 10 . 10 . The self-propelled cantilever bridge building machine according to claim 1 , further comprising hanging beams ( 3 ) for installing hanging baskets, the number of the hanging beams ( 3 ) being two, which are respectively arranged horizontally. 11 . In the middle section of the main beam (1) and the end away from the stabilization device (2).

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