Self-propelled small-radius bridge erecting machine

Abstract

This invention relates to the field of bridge erection equipment, specifically a self-propelled small-radius bridge erection machine, comprising a mobile jacking machine and a fixed plate. The upper end of the mobile jacking machine is connected to a jacking hydraulic cylinder, the telescopic end of which is connected to the fixed plate. A rectangular groove is provided at the center of the fixed plate, and a jacking block is provided above the rectangular groove. The bottom of the jacking block is connected to the upper end of the mobile jacking machine via a connecting rod. This invention employs a clamping device to clamp the left and right sidewalls of the arc-shaped structure at the small end of the small-radius bridge, ensuring the small-radius bridge can be stably set on the bridge erection machine and preventing it from swaying left and right, allowing the small-radius bridge to move stably via the machine. This invention also employs a detachable cleaning device to clean the reinforcing bars at both ends of the small-radius bridge, thereby removing impurities from the surface of the reinforcing bars and making the binding of the reinforcing bars faster and more secure.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of bridge erecting equipment, in particular to a self-propelled small-radius bridge erecting machine. BACKGROUND

[0002] In the bridge construction projects in China, the prefabricated small-radius bridge has the advantages of simple structure, clear stress, saving of steel, lower maintenance cost, smaller driving noise, reduced construction height, improved durability, and the like.

[0003] However, the prefabricated small-radius bridge is heavy, and therefore, a crane and a steel wire rope are generally used for hoisting the prefabricated beam, and then the reinforcing bars on both sides of the bridge are tied and connected, and cement is poured to fix the bridge.

[0004] In addition, the hoisting and installation of the prefabricated bridge is prone to cause abrasion of the T-shaped bridge, and the position of the small-radius bridge cannot be adjusted for the small-radius bridge with an arc-shaped structure at the lower end. SUMMARY

[0005] To solve the above technical problems, the present application adopts the following technical scheme, a self-propelled small-radius bridge erecting machine, comprising a movable top stretching machine and a fixed plate, the upper end of the movable top stretching machine is connected with a top stretching hydraulic cylinder, the telescopic end of the top stretching hydraulic cylinder is connected with the fixed plate, a rectangular groove is arranged at the center position of the fixed plate, a top stretching block is arranged above the rectangular groove, the bottom of the top stretching block is connected with the upper end of the movable top stretching machine through a connecting rod, mirror image left and right sides of the fixed plate are respectively connected with abutting devices, the side away from the fixed plate of each abutting device is provided with a top stretching device, and the side away from the abutting device of each top stretching device is provided with a cleaning device.

[0006] The inside of the top stretching block is provided with a square groove, the square groove penetrates through the top stretching block, an abutting block is slidably arranged in the square groove, the lower end of the abutting block is connected with a protruding plate, and the left and right sides of the protruding plate are connected with the left and right sides of the rectangular groove.

[0007] The abutting device comprises a rectangular plate slidingly connected to the fixed plate, the upper end of the rectangular plate is connected to an extension adjusting column, the extension end of the extension adjusting column is connected to an extension elastic column, the extension end of the extension elastic column is hingedly connected to an arc-shaped plate, and the arc opening of the arc-shaped plate faces the top extension block side.

[0008] The top extension device comprises an L-shaped plate fixedly connected to the fixed end of the extension adjusting column, and the end of the L-shaped plate away from the extension adjusting column is connected to a top extension plate.

[0009] The cleaning device comprises a mounting plate connected to the side wall of the L-shaped plate away from the fixed plate through an abutting bolt, the side of the mounting plate away from the L-shaped plate is connected to the fixed end of a pushing cylinder, the extension end of the pushing cylinder is connected to a close plate, the close plate is provided with a multi-rod cylinder, and the extension end of the multi-rod cylinder is connected to a cleaning box for cleaning the steel bars.

[0010] Preferably, the upper side of the top extension block is in an arc-shaped structure, and the arc-shaped structure is uniformly provided with rolling balls on the side surface.

[0011] Preferably, the front and rear ends of the rectangular plate are both provided with a bidirectional cylinder, the extension ends of the left and right sides of the bidirectional cylinder are both connected to an abutting plate, and the side of the abutting plate away from the bidirectional cylinder is close to the rectangular plate.

[0012] Preferably, the cleaning box comprises a plurality of sets of rotating components fixedly connected to the vertical arrangement of the front side of the cleaning box, a rotating matching part matched with the rotation of the rotating components is arranged below the rotating components, the rotating matching part is connected to an extension supporting column, and the lower end of the extension supporting column is mounted on the mounting plate.

[0013] Preferably, the upper end of the extension supporting column is in an extension structure, a limiting seat is arranged on the extension end of the extension structure of the extension supporting column, the limiting seat is slidingly connected to one end of a sliding guide rod, and the other end of the sliding guide rod is fixedly connected to the extension end of the multi-rod cylinder.

[0014] Preferably, each set of the rotating components comprises two rotating shafts arranged above and below, the front and rear ends of the rotating shafts are both penetrated through the cleaning box, the front ends of the two rotating shafts are mounted with cleaning gears meshing with each other, the middle part of the rotating shaft is provided with a brushing roller, and the outer side of the brushing roller is uniformly provided with steel brushes.

[0015] Preferably, the rotating matching part is a rack, the sizes of the cleaning gears on the plurality of sets of rotating components are increased in diameter from left to right at one time, the front and rear positions of the cleaning gears on the plurality of sets of rotating components are staggered, each set of rotating components is meshingly connected to one rotating matching part, and the plurality of rotating matching parts are mounted on the extension supporting column.

[0016] Preferably, the lengths of the bristles of the steel brushes on the plurality of sets of rotating components are sequentially increased from left to right.

[0017] Preferably, the telescopic ends of the telescopic adjusting column are uniformly provided with insertion holes, the insertion holes can cooperate with the through holes provided on the fixed end of the telescopic adjusting column, the bolts are sequentially threaded through the fixed end and the insertion holes of the telescopic adjusting column, and are fixed on the fixed end of the telescopic adjusting column.

[0018] The beneficial effects of the present application are as follows: first, the left and right side walls of the small-end arc structure of the small-radius bridge are tightly abutted by the abutting device, so that the small-radius bridge can be stably arranged on the bridge erecting machine and prevented from shaking left and right on the bridge erecting machine, and the small-radius bridge can be stably moved through the bridge erecting machine.

[0019] Second, the protruding end of the small-radius bridge is protruded by the protruding device, so that the small-radius bridge is in a horizontal position and is conducive to subsequent installation of the small-radius bridge, and the protruding device can be adjusted in position, so that the small-radius bridge of different proportions can be protruded, thereby increasing the applicability of the machine.

[0020] Third, the steel bars at the left and right ends of the small-radius bridge are cleaned by the detachable cleaning device, so that impurities on the surface of the steel bars are removed, the bundling of the steel bars is faster and more secure, and the cleaning box can clean the steel bars at the left and right ends by setting cleaning gears and steel brushes of different sizes, so that the end parts of the steel bars are cleaned, and the installation of the small-radius bridge is more secure.

[0021] Fourth, the lower end of the small-radius bridge is pushed by the abutting block when the position of the small-radius bridge is adjusted, and the left and right abutting adjustment of the side walls of the arc structure of the small-radius bridge is performed by the abutting plate, so that the arc structure at the lower end of the small-radius bridge slides on the upper surface of the ball, thereby realizing that the lowermost end of the arc structure of the small-radius bridge is stably arranged on the protruding block, ensuring that the small-radius bridge can be stably arranged on the bridge erecting machine and ensuring subsequent installation of the small-radius bridge. BRIEF DESCRIPTION OF DRAWINGS

[0022] The present application will be further described below in conjunction with the drawings and examples.

[0023] Figure 1 is a schematic diagram of the three-dimensional structure of the present application.

[0024] Figure 2 is a left side elevational view of the present application without the movable protruding machine

[0025] Figure 3 is a top view of the structure on the fixed plate.

[0026] Figure 4 is Figure 3 is a sectional view in the direction of D-D.

[0027] Figure 5 is a perspective view of the cleaning device of the present application.

[0028] Figure 6 is a right view of the left cleaning device of the present application.

[0029] Figure 7 is a plan view of the working object of the present application.

[0030] Reference signs: 1, moving top stretcher; 11, top stretching hydraulic cylinder; 2, fixed plate; 21, rectangular groove; 22, top stretching block; 221, square groove; 222, ball; 23, connecting rod; 3, abutting device; 31, rectangular plate; 311, bidirectional air cylinder; 312, abutting plate; 32, telescopic adjusting column; 321, bolt; 33, telescopic elastic column; 34, arc-shaped plate; 4, top stretching device; 41, L-shaped plate; 42, top stretching plate; 5, cleaning device; 51, abutting bolt; 52, mounting plate; 53, pushing air cylinder; 54, abutting plate; 55, multi-rod air cylinder; 56, cleaning box; 57, rotating part; 571, rotating shaft; 572, cleaning gear; 573, brush roller; 574, steel brush; 58, rotating matching part; 59, telescopic supporting column; 591, limiting seat; 592, sliding guide rod; 6, abutting block; 61, protruding plate. DETAILED DESCRIPTION

[0031] The examples described below are illustrative only and are not intended to limit the present application in any way. Unless otherwise indicated, the technical and scientific terms used in the examples have the same meaning as they would have to one of ordinary skill in the art of the present application. Unless otherwise indicated, the techniques employed in the examples are standard methodologies well known to one of ordinary skill in the art of the present application.

[0032] Reference is made to Figure 1 and Figure 2The utility model provides a kind of self-propelled small radius bridge erecting machine, including mobile top stretcher 1, fixed plate 2, the upper end of mobile top stretcher 1 is connected with top stretcher hydraulic cylinder 11, and the telescopic end of top stretcher hydraulic cylinder 11 is connected with fixed plate 2, rectangular slot 21 is arranged in the center position of fixed plate 2, top stretcher block 22 is arranged above rectangular slot 21, and the bottom of top stretcher block 22 is connected with the upper end of mobile top stretcher 1 by connecting rod 23, and fixed plate 2 is respectively connected with abutting device 3 on left and right sides in mirror image, and top stretcher device 4 is arranged on the side away from fixed plate 2 of abutting device 3, and cleaning device 5 is arranged on the side away from abutting device 3 of top stretcher device 4;The utility model can carry out top stretching and moving to small radius bridge with arc structure at lower end, and also can clean reinforcement on the left and right sides of small radius bridge, so as to increase the installation efficiency of small radius bridge, specifically, by moving mobile top stretcher 1, top stretcher block 22 is attached at arc structure at lower end of small radius bridge, then by adjusting the position of abutting device 3, abutting device 3 is abutted at arc structure side wall of small radius bridge, then top stretcher device 4 is adjusted, and top stretcher device 4 is stretched at the downside of bridge beam, at this time, by adjusting cleaning device 5, reinforcement on the left and right sides of bridge is cleaned, so that small radius bridge is stably fixed on erecting machine, and also can remove impurities on the surface of reinforcement.

[0033] It should be noted that, as shown in Figure 7 , the two ends of the prefabricated small radius bridge with arc-shaped bottom are respectively provided with connecting reinforcement, and in order to facilitate connection with the already installed structure.

[0034] Referring to Figure 4 , the inside of top stretcher block 22 is provided with square slot 221, square slot 221 penetrates top stretcher block 22, abutting block 6 is slidably arranged in square slot 221, the lower end of abutting block 6 is connected with convex plate 61, and the left and right sides of convex plate 61 are connected with the left and right sides of rectangular slot 21;The upper side of top stretcher block 22 is arc-shaped structure, and the side of the arc-shaped structure is uniformly provided with ball 222. Abutting block 6 can further adjust the position and abut the arc-shaped structure at the lower end of small radius bridge, so that small radius bridge can be stably arranged on top stretcher block 22, specifically, after top stretcher block 22 is abutted on the bottom of bridge, top stretcher hydraulic cylinder 11 is adjusted to drive fixed plate 2 to move upward, at this time, convex plate 61 moves upward with fixed plate 2, since convex plate 61 is convex structure, so when top stretcher hydraulic cylinder 11 moves, convex plate 61 first drives abutting block 6 to move upward, when abutting block 6 abuts the bridge during abutting, since the upper side of top stretcher block 22 is arc-shaped structure and uniformly provided with ball 222, so under the pushing of abutting block 6, abutting block 6 can abut the lowermost end of bridge arc-shaped structure, so that small radius bridge can be stably arranged on erecting machine.

[0035] Referring to Figure 1 and Figure 2The abutting device 3 comprises a rectangular plate 31 slidably connected to the fixed plate 2, the upper end of the rectangular plate 31 is connected with a telescopic adjusting column 32, the telescopic end of the telescopic adjusting column 32 is connected with a telescopic elastic column 33, the telescopic end of the telescopic elastic column 33 is hingedly connected with an arc-shaped plate 34, the arc opening of the arc-shaped plate 34 faces the top extension block 22 side; both ends of the rectangular plate 31 are provided with a bidirectional air cylinder 311, the extending ends of the left and right sides of the bidirectional air cylinder 311 are connected with an abutting plate 312, the side of the abutting plate 312 away from the bidirectional air cylinder 311 is close to the rectangular plate 31; the abutting device 3 of the present application can abut and lock the left and right side walls of the small-radius bridge, so that the small-radius bridge is stably arranged on the bridge erecting machine, specifically, the abutting device 3 is adjusted to move upward by the fixed plate 2, and the bidirectional air cylinder 311 is adjusted at the same time to adjust the telescopic adjusting column 32 and the position of the arc-shaped plate 34, because the telescopic elastic column 33 is arranged at the lower end of the arc-shaped plate 34, the position can be automatically adjusted when the arc-shaped plate 34 contacts the side wall of the bridge, so that the arc-shaped plate 34 can abut against the side wall of the small-radius bridge.

[0036] Continuing to refer to Figure 1 and Figure 2 , the telescopic end of the telescopic adjusting column 32 is uniformly provided with a bushing, the bushing can cooperate with the through hole arranged at the fixed end of the telescopic adjusting column 32, the bolt 321 passes through the fixed end of the telescopic adjusting column 32 and the bushing in sequence, and is fixed at the fixed end of the telescopic adjusting column 32; the top extension device 4 comprises an L-shaped plate 41 fixedly connected to the fixed end of the telescopic adjusting column 32, the end of the L-shaped plate 41 away from the telescopic adjusting column 32 is connected with a top extension plate 42; the top extension device 4 of the present application can top extend the top of the small-radius bridge by adjusting the position of the top extension plate 42, so that the small-radius bridge can be stably arranged on the bridge erecting machine, specifically, the top extension plate 42 is top extended under the extending end of the small-radius bridge by adjusting the telescopic adjusting column 32, then the bolt 321 cooperates with the bushing at the lower end of the telescopic adjusting column 32, so as to fix the position of the top extension plate 42, so that the top extension plate 42 can be stably attached to the lower side of the extending end of the small-radius bridge, so that the small-radius bridge can be stably arranged on the bridge erecting machine, and the movement of the small-radius bridge is more convenient.

[0037] Referring to Figure 1 , Figure 5 and Figure 6The cleaning device 5 comprises a mounting plate 52 connected to the L-shaped plate 41 through a pressing bolt 51 away from the side wall of the fixed plate 2, the side of the mounting plate 52 away from the L-shaped plate 41 is connected with the fixed end of a pushing cylinder 53, the telescopic end of the pushing cylinder 53 is connected with a close plate 54, the close plate 54 is provided with a multi-bar cylinder 55, the telescopic end of the multi-bar cylinder 55 is connected with a cleaning box 56 for cleaning the steel bars; the cleaning device 5 can make the cleaning box 56 clean the steel bars on the left and right sides of the small-radius bridge by adjusting the positions of the multi-bar cylinder 55 and the pushing cylinder 53, so that the steel bars are more firm when bundled and poured, specifically, the cleaning box 56 is in a horizontal position with the steel bars by adjusting the up-and-down movement of the multi-bar cylinder 55, then the steel bars can enter the cleaning box 56 by adjusting the pushing cylinder 53, and the pushing cylinder 53 drives the cleaning box 56 to move left and right, so that the cleaning box 56 cleans the steel bars, which is more convenient for bundling and makes the bundling more firm, thereby improving the safety of the small-radius bridge installation.

[0038] Continuing to refer to Figure 1 , Figure 5 and Figure 6 The cleaning box 56 comprises a plurality of rotating parts 57 fixedly connected to the front side of the cleaning box 56 and arranged vertically, a rotating matching part 58 matched with the rotating of the rotating part 57 is arranged below the rotating part 57, the rotating matching part 58 is connected to a telescopic supporting column 59, and the lower end of the telescopic supporting column 59 is installed on the mounting plate 52; the upper end of the telescopic supporting column 59 is of a telescopic structure, a limiting seat 591 is arranged on the telescopic end of the telescopic supporting column 59, the limiting seat 591 is slidably connected with one end of a sliding guide rod 592, and the other end of the sliding guide rod 592 is fixedly connected with the telescopic end of the multi-bar cylinder 55; the cleaning box 56 can make the cleaning box 56 clean the steel bars on the left and right sides of the small-radius bridge by the cooperation of the rotating part 57 and the rotating matching part 58, so that the steel bars are in a clean state, which is beneficial to subsequent bundling and pouring, specifically, the sliding guide rod 592 drives the telescopic supporting column 59 to move up and down by the limiting seat 591 through the up-and-down movement of the multi-bar cylinder 55, so that the rotating part 57 cooperates with the rotating matching part 58, when the cleaning box 56 cooperates with the steel bars, the rotating part 57 moves left and right on the rotating matching part 58 by adjusting the pushing cylinder 53, so that the steel bars are cleaned in the cleaning box 56, thereby realizing the automatic cleaning of the steel bars at both ends of the small-radius bridge.

[0039] Referring to Figure 5 and Figure 6Each group of the rotating parts 57 comprises two rotating shafts 571 arranged in upper and lower positions, the front and rear ends of the rotating shafts 571 penetrate the cleaning box 56, the front ends of the two rotating shafts 571 are provided with cleaning gears 572 which are in mesh with each other, the middle part of the rotating shaft 571 is provided with a brush roller 573, and the outer side of the brush roller 573 is uniformly provided with steel brushes 574; the length of the bristles of the steel brushes 574 on the rotating parts 57 of the multiple groups increases in sequence from left to right; the rotating matching parts 58 are racks, the sizes of the cleaning gears 572 on the rotating parts 57 of the multiple groups increase in diameter in sequence from left to right, and the front and rear positions of the cleaning gears 572 on the rotating parts 57 of the multiple groups are staggered, each group of the rotating parts 57 is in mesh connection with a rotating matching part 58, and the multiple rotating matching parts 58 are installed on the telescopic supporting columns 59; the rotating shafts 571 can cooperate with the rotating parts 57 to clean the end part of the reinforcing steel bar, so that the cleaning effect of the end part of the reinforcing steel bar is optimal, which is beneficial to the subsequent bundling of the reinforcing steel bar, specifically, the size of the cleaning gear 572 close to the end part of the reinforcing steel bar is small, and the length of the bristles of the steel brush 574 is long, when the cleaning gear 572 moves left and right on the rotating matching part 58, the brush roller 573 drives the steel brush 574 to rotate, then the brush roller 573 close to the end part of the reinforcing steel bar rotates faster, and the cleaning is more thorough, so that the reinforcing steel bar is more convenient to bundle, and is more firm after pouring cement.

[0040] Furthermore, it should be understood that, although the present specification is described in terms of embodiments, not every implementation embodies only one independent technical solution, and the description of the specification is only for the sake of clarity, and those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can be appropriately combined to form other embodiments that those skilled in the art can understand.

Claims

1. A self-propelled small-radius bridge erecting machine, comprising a mobile jacking machine (1) and a fixed plate (2), characterized in that: The upper end of the mobile jacking machine (1) is connected to a jacking hydraulic cylinder (11). The telescopic end of the jacking hydraulic cylinder (11) is connected to the fixed plate (2). A rectangular groove (21) is provided at the center of the fixed plate (2). A jacking block (22) is provided above the rectangular groove (21). The bottom of the jacking block (22) is connected to the upper end of the mobile jacking machine (1) through a connecting rod (23). The left and right sides of the fixed plate (2) are connected to a clamping device (3) in a mirror image. A jacking device (4) is provided on the side of the clamping device (3) away from the fixed plate (2). A cleaning device (5) is provided on the side of the jacking device (4) away from the clamping device (3). The top extension block (22) is provided with a square groove (221) inside, the square groove (221) penetrates the top extension block (22), and a pressing block (6) is slidably arranged inside the square groove (221). The lower end of the pressing block (6) is connected to a protruding plate (61), and the left and right sides of the protruding plate (61) are connected to the left and right sides of the rectangular groove (21). The clamping device (3) includes a rectangular plate (31) slidably connected to the fixed plate (2). The upper end of the rectangular plate (31) is connected to a telescopic adjustment column (32). The telescopic end of the telescopic adjustment column (32) is connected to a telescopic elastic column (33). The telescopic end of the telescopic elastic column (33) is hinged to an arc plate (34). The arc opening of the arc plate (34) faces the top extension block (22). The top extension device (4) includes an L-shaped plate (41) fixedly connected to the fixed end of the telescopic adjustment column (32), and the top extension plate (42) is connected to the end of the L-shaped plate (41) away from the telescopic adjustment column (32); The cleaning device (5) includes a mounting plate (52) connected to the side wall of the L-shaped plate (41) away from the fixed plate (2) by a tightening bolt (51). The side of the mounting plate (52) away from the L-shaped plate (41) is connected to the fixed end of the push cylinder (53). The telescopic end of the push cylinder (53) is connected to a bonding plate (54). A multi-rod cylinder (55) is provided on the bonding plate (54). The telescopic end of the multi-rod cylinder (55) is connected to a cleaning box (56) for cleaning the reinforcing bars. Both ends of the rectangular plate (31) are provided with bidirectional cylinders (311), and the extended ends of the bidirectional cylinders (311) on the left and right sides are connected with abutting plates (312). The side of the abutting plate (312) away from the bidirectional cylinders (311) is in close contact with the rectangular plate (31).

2. The self-propelled small-radius bridge erecting machine according to claim 1, characterized in that: The upper side of the top extension block (22) is an arc-shaped structure, and ball bearings (222) are evenly arranged on the side of the arc-shaped structure.

3. The self-propelled small-radius bridge erecting machine according to claim 1, characterized in that: The cleaning box (56) includes multiple sets of rotating parts (57) fixedly connected to the front side of the cleaning box (56) and arranged vertically. A rotating fitting part (58) is provided below the rotating part (57) to cooperate with its rotation. The rotating fitting part (58) is connected to the telescopic support column (59). The lower end of the telescopic support column (59) is installed on the mounting plate (52).

4. The self-propelled small-radius bridge erecting machine according to claim 3, characterized in that: The upper end of the telescopic support column (59) is a telescopic structure. A limit seat (591) is provided on the telescopic end of the telescopic support column (59). The limit seat (591) is slidably connected to one end of the sliding guide rod (592), and the other end of the sliding guide rod (592) is fixedly connected to the telescopic end of the multi-rod cylinder (55).

5. The self-propelled small-radius bridge erecting machine according to claim 3, characterized in that: Each set of rotating components (57) includes two rotating shafts (571) arranged vertically. Both ends of the rotating shafts (571) pass through the cleaning box (56). The front ends of the two rotating shafts (571) are equipped with meshing cleaning gears (572). A brush roller (573) is provided in the middle of the rotating shaft (571). Steel brushes (574) are evenly arranged on the outer side of the brush roller (573).

6. The self-propelled small-radius bridge erecting machine according to claim 3, characterized in that: The rotating engagement component (58) is a rack. The size of the cleaning gears (572) on the multiple sets of rotating components (57) increases in diameter from left to right. The front and rear positions of the cleaning gears (572) on the multiple sets of rotating components (57) are staggered. Each set of rotating components (57) is meshed with a rotating engagement component (58). The multiple rotating engagement components (58) are all installed on the telescopic support column (59).

7. The self-propelled small-radius bridge erecting machine according to claim 5, characterized in that: The length of the bristles on the steel brushes (574) on the multiple sets of rotating components (57) increases sequentially from left to right.

8. The self-propelled small-radius bridge erecting machine according to claim 1, characterized in that: The telescopic adjustment column (32) has evenly distributed insertion holes at its telescopic end. The insertion holes can cooperate with the through holes provided at the fixed end of the telescopic adjustment column (32), so that the bolt (321) passes through the fixed end of the telescopic adjustment column (32) and the insertion holes in sequence, and is fixed at the fixed end of the telescopic adjustment column (32).

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