Bridge erecting bridge machine

Abstract

The application relates to the technical field of bridge erecting machines, in particular to a bridge erecting machine for erecting a bridge, which comprises a base, a plurality of moving wheels, a top machine body, a plurality of supporting columns and a plurality of reinforcing arms, the top machine body is arranged on one side of the base, the top machine body is connected with the base through the plurality of supporting columns and the plurality of reinforcing arms, a control bin is arranged on the top machine body, the bridge erecting machine further comprises: a bridge supporting assembly, two groups of the bridge supporting assembly are movably arranged on the guide rails formed on the top machine body, the two groups of the bridge supporting assembly are oppositely arranged and used for mounting a bridge body and towing the bridge body to move; a linear motor, the number of the linear motor is same as that of the bridge supporting assembly and the linear motor is arranged on the top machine body; and a front supporting assembly arranged at one end of the top machine body; compared with the clamping and fixing mode of a traditional bridge erecting machine, the device is free from the traditional bolt fixing mode under the condition of ensuring clamping stability, and the bridge body laying time is shortened.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of bridge erecting machines, and more particularly to a bridge erecting machine. BACKGROUND

[0002] With the continuous development of transportation, bridge erecting machines have also developed rapidly. Bridge erecting machines are essential equipment for erecting highway and railway bridges and are increasingly widely used.

[0003] The bridge erecting machine is usually directly moved on the completed bridge deck, and then transported to the un-laid position. The bridge body is transported to the lower side of the bridge erecting machine by a transport vehicle, and then the bridge body is transported to the laid bridge deck by a hoisting device to complete the bridge laying work.

[0004] The hoisting device of the existing bridge erecting machine has a simple structure. When the hoisting device is fixedly connected with the bridge body each time, the workers need to manually assist the connection by twisting the bolts to realize the connection work, which is very inconvenient and consumes a lot of time. SUMMARY

[0005] The present application aims to provide a bridge erecting machine to solve the problems in the background art.

[0006] To achieve the above-mentioned purpose, the present application provides the following technical scheme:

[0007] A bridge erecting machine comprises a base, a plurality of moving wheels, a top machine body, a plurality of supporting columns and a plurality of reinforcing arms. The top machine body is arranged on one side of the base and connected with the base through the supporting columns and the reinforcing arms. A control bin is arranged on the top machine body. The bridge erecting machine further comprises:

[0008] A bridge supporting assembly, two groups of which are movably arranged on the guide rails formed on the top machine body. The two groups of bridge supporting assemblies are oppositely arranged and used for mounting and moving the bridge body.

[0009] A linear motor, the number of which is the same as that of the bridge supporting assemblies and arranged on the top machine body. The output end of the linear motor is connected with the bridge supporting assembly.

[0010] A front supporting assembly arranged at one end of the top machine body and used for supporting the top machine body on the bridge deck.

[0011] The bridge supporting assembly comprises:

[0012] A sliding seat movably arranged on the guide rail and connected with the linear motor.

[0013] A lifting platform movably arranged on one side of the sliding seat.

[0014] A first hydraulic cylinder is arranged on the sliding seat and has a movable end connected with the lifting platform.

[0015] A clamping module is arranged on the lifting platform and used for clamping the fixed bridge.

[0016] The further technical solution of the present application is that the clamping module comprises:

[0017] An upper clamping seat is arranged on the lifting platform.

[0018] A lower clamping seat is arranged on one side of the upper clamping seat, a second hydraulic cylinder is arranged on the upper clamping seat, and a movable end of the second hydraulic cylinder is connected with the lower clamping seat.

[0019] A plurality of clamping heads are equidistantly arranged on one end of the upper clamping seat, and a plurality of guide rods are arranged on the upper clamping seat and penetrate the clamping heads.

[0020] An adjusting unit is arranged on the upper clamping seat and connected with the clamping heads, and used for adjusting the distance between adjacent two clamping heads.

[0021] A resistance increasing unit is arranged on the clamping head and connected with the adjusting unit, and used for increasing the frictional resistance between the clamping head and the bridge.

[0022] The further technical solution of the present application is that the adjusting unit comprises:

[0023] A contact plate is movably arranged on the upper clamping seat and elastically connected with the upper clamping seat.

[0024] A plurality of moving blocks are arranged on the upper clamping seat and correspond to the positions of the clamping heads.

[0025] A plurality of connecting blocks are arranged on the upper clamping seat and connected with the moving blocks through second air cylinders.

[0026] A first air cylinder is arranged between adjacent two clamping heads and connected with the second air cylinder.

[0027] The further technical solution of the present application is that the resistance increasing unit comprises a third air cylinder, a sliding block, a push arm and a damping plate.

[0028] One end of the damping plate is hinged with the clamping head, a torsional spring is arranged at the hinge, the sliding block is movably arranged on the clamping head, the sliding block is movably connected with the damping plate through the push arm, the third air cylinder is connected between the clamping head and the sliding block, and the third air cylinder is connected with the first air cylinder.

[0029] The further technical solution of the present application is that a plurality of convex parts are equidistantly arranged on the damping plate.

[0030] A further technical solution of this application: the front support component includes:

[0031] The support feet are movably mounted on one side of the top body.

[0032] Several hydraulic cylinders, numbered three in number and mounted on the top body, have their movable ends connected to support feet; and

[0033] The limiting unit is installed on the support foot and is used to limit the displacement of the support foot on the bridge seat.

[0034] A further technical solution of this application: the limiting unit includes a limiting rod and an elastic element, the number of the limiting rods is several and is movably arranged on the support foot, and the elastic element is connected between the limiting rod and the support foot.

[0035] Compared with the prior art, the technical solution provided by the embodiments of the present invention has the following beneficial effects:

[0036] This invention, through the arrangement of several equidistant clamping heads on the upper clamping seat and the inclusion of an adjustment unit and a resistance-increasing unit, not only allows the adjustment unit to be controlled when the upper clamping seat is inserted into the groove of the bridge body, enabling the clamping heads to unfold and increase the contact range with the bridge body, but also allows the resistance-increasing unit to be controlled to increase the frictional resistance between the clamping heads and the bridge body, further improving the stability between the upper clamping seat and the bridge body. Compared to the clamping and fixing methods on traditional bridge erecting machines, this device eliminates the need for traditional bolt fixing while ensuring clamping stability, thus shortening the bridge laying time. Attached Figure Description

[0037] Figure 1 This is a schematic diagram of the bridge erection machine in an embodiment of the present invention;

[0038] Figure 2 This is a schematic diagram of the bridge support assembly in the bridge erection machine according to an embodiment of the present invention;

[0039] Figure 3 This is an enlarged structural schematic diagram of point A in the bridge erection machine in an embodiment of the present invention;

[0040] Figure 4 This is a top view of the clamping head in the bridge erection machine in an embodiment of the present invention;

[0041] Figure 5 This is a schematic diagram of the structure of the contact plate and the moving block in the bridge erection machine according to an embodiment of the present invention;

[0042] Figure 6 This is an enlarged structural schematic diagram of point B in the bridge erection machine in an embodiment of the present invention.

[0043] Explanation of the labels in the diagram:

[0044] 1-Base, 2-Moving wheel, 3-Servo motor, 4-Control compartment, 5-Guide rail, 6-Sliding seat, 7-Hydraulic cylinder No. 1, 8-Reinforcing arm, 9-Support column, 10-Lifting platform, 11-Upper clamp, 12-Hydraulic cylinder No. 2, 13-Lower clamp, 14-Clamping head, 15-Damping plate, 16-Push arm, 17-Slider, 18-Cylinder No. 3, 19-Guide rod, 20-Cylinder No. 1, 21-Contact plate, 22-Moving block, 23-Cylinder No. 2, 24-Connecting block, 25-Support foot, 26-Hydraulic cylinder No. 3, 27-Limit rod, 28-Spring. Detailed Implementation

[0045] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention. The present invention will be further described below with reference to the embodiments.

[0046] Please see Figures 1-6 In one embodiment of this application, a bridge erection machine includes a base 1, a plurality of movable wheels 2, a top body, a plurality of support columns 9, and a plurality of reinforcing arms 8. The top body is disposed on one side of the base 1 and is connected to the base 1 via the plurality of support columns 9 and the plurality of reinforcing arms 8. A control compartment 4 is provided on the top body. The bridge erection machine further includes:

[0047] The bridge support assembly consists of two sets, which are movably mounted on the guide rail 5 formed on the top body. The two sets of bridge support assemblies are arranged opposite to each other and are used to install the bridge body and to pull the bridge body to move.

[0048] Linear motors, the same number as the bridge assemblies, are mounted on the top body; the output ends of the linear motors are connected to the bridge assemblies.

[0049] The front support assembly, located at one end of the top body, is used to support the top body on the bridge base; wherein...

[0050] The bridge assembly includes:

[0051] The sliding seat 6 is movably mounted on the guide rail 5 and connected to the linear motor;

[0052] The lifting platform 10 is movably mounted on one side of the sliding seat 6;

[0053] Hydraulic cylinder 7, number one, is mounted on sliding seat 6 and its movable end is connected to lifting platform 10; and

[0054] The clamping module is installed on the lifting platform 10 and is used to clamp and fix the bridge body.

[0055] In this embodiment, the clamping module includes, for example:

[0056] The upper clamp 11 is mounted on the lifting platform 10;

[0057] The lower clamp 13 is disposed on one side of the upper clamp 11. The upper clamp 11 is provided with a second hydraulic cylinder 12, and the movable end of the second hydraulic cylinder 12 is connected to the lower clamp 13.

[0058] The clamping heads 14 are arranged in a number and are equidistantly disposed at one end of the upper clamping seat 11. The upper clamping seat 11 is provided with a number of guide rods 19 that slide through the clamping heads 14.

[0059] An adjustment unit, disposed on the upper clamping seat 11 and connected to the clamping head 14, is used to adjust the distance between two adjacent clamping heads 14; and

[0060] The friction-increasing unit is mounted on the clamping head 14 and connected to the adjustment unit to increase the frictional resistance between the clamping head 14 and the bridge body.

[0061] It should be noted that the position of the sliding seat 6 on the guide rail 5 is not limited to the adjustment by the servo motor 3 mentioned above. It can also be driven by an electric cylinder or a combination of a motor and a threaded rod. These methods will not be listed here.

[0062] In practical applications, the entire bridge erecting machine is placed on the completed bridge. Operators inside the control compartment 4 control the rotating wheels 2 to move the machine across the bridge. When the machine reaches the laying position, the front support assembly is activated, ensuring the front end of the top machine rests on the bridge seat, guaranteeing stability during bridge laying. Then, when the transport vehicle moves the bridge body directly beneath the top machine, the linear motor and hydraulic cylinder 7 are activated, causing the sliding seats 6 at two positions to reach both sides of the bridge body and engage the upper clamping seat 1. 1. The lower clamp 13 is inserted into the groove reserved in the bridge body. During this process, the distance between two adjacent clamping heads 14 is increased by controlling the adjustment unit. At the same time, the resistance increasing unit is controlled to increase the frictional resistance between the clamping head 14 and the bridge body, thereby improving the clamping effect on the bridge body. Then, the second hydraulic cylinder 12 is controlled to make the lower clamp 13 and the groove fit tightly together, completing the clamping and fixing of the bridge body. Then, the first hydraulic cylinder 7 and the linear motor are controlled again to lift the bridge body and move it to the laying position, completing the laying work.

[0063] Please see Figures 1-5 In another preferred embodiment of this application, the adjustment unit includes:

[0064] The contact plate 21 is movably mounted on the upper clamp 11 and the two are elastically connected;

[0065] There are several movable blocks 22, each corresponding to the position of the clamping head 14. The movable blocks 22 are movably mounted on the upper clamping seat 11.

[0066] The number of connecting blocks 24 is the same as the number of moving blocks 22, and each connecting block 24 and moving block 22 are connected by a second cylinder 23; and

[0067] Cylinder 20 is connected to two adjacent clamping heads 14, and cylinder 20 is connected to cylinder 23.

[0068] In one specific embodiment, the drag-increasing unit includes a third cylinder 18, a slider 17, a push arm 16, and a damping plate 15.

[0069] One end of the damping plate 15 is hinged to the clamping head 14 and a torsion spring is provided at the hinge. The slider 17 is movably mounted on the clamping head 14. The slider 17 is movably connected to the damping plate 15 through the push arm 16. The third cylinder 18 is connected between the clamping head 14 and the slider 17. The third cylinder 18 is connected to the first cylinder 20.

[0070] In another specific case of this embodiment, the damping plate 15 is provided with a plurality of protrusions at equal intervals.

[0071] When the upper clamp 11 and lower clamp 13 move toward the groove reserved on the bridge body, the contact plate 21 on the upper clamp 11 comes into contact with the bridge body and moves along the upper clamp 11, thereby causing the second cylinder 23 to contract. During this process, the air in the second cylinder 23 can be squeezed into the first cylinder 20 and the third cylinder 18, causing the first cylinder 20 and the third cylinder 18 to extend. When the first cylinder 20 extends, the clamping head 14 can unfold and move, increasing the distance between two adjacent clamping heads 14, thereby increasing the contact range between the upper clamp 11 and the bridge body. The extension of the third cylinder 18 can drive the slider 17 to move, thereby driving the slider 17 to move along the clamping head 14. Under the action of the push arm 16, the damping plate 15 is controlled to rotate along its hinge until the damping plate 15 and the upper surface of the clamping head 14 are parallel. At this time, the damping plate 15 and the bridge body are fully in contact, improving the stability between the upper clamp 11 and the bridge body.

[0072] Please see Figure 1 as well as Figure 6 In another preferred embodiment of this application, the front support component includes:

[0073] The support foot 25 is movably mounted on one side of the top body;

[0074] Several hydraulic cylinders, numbered three to one, are mounted on the top body. The movable end of each hydraulic cylinder 26 is connected to a support foot 25.

[0075] The limiting unit is installed on the support foot 25 to limit the displacement of the support foot 25 on the bridge seat.

[0076] In this embodiment, the limiting unit includes a limiting rod 27 and an elastic element. The limiting rod 27 is a plurality of rods and is movably disposed on the support foot 25. The elastic element is connected between the limiting rod 27 and the support foot 25.

[0077] It should be noted that the elastic element can be a spring 28, a spring sheet, or an elastic steel plate structure. In this embodiment, the elastic element is preferably a spring 28, which is connected between the limiting rod 27 and the support foot 25. The specific model of the spring 28 can be selected according to the actual situation and is not specifically limited here.

[0078] When the moving wheel 2 controls the entire bridge erecting machine to move to the position for laying the bridge body on the bridge, the operator in the control chamber 4 controls the extension of the third hydraulic cylinder 26, which drives the support foot 25 to move towards the bridge seat until the support foot 25 contacts the bridge seat. By setting several limit rods 27, the limit rods 27 can be inserted into the uneven positions on the bridge seat, thereby limiting the support foot 25 and improving the stability of the entire device during the bridge body laying process.

[0079] How this application works:

[0080] The entire bridge erecting machine is placed on the completed bridge. Inside the control chamber 4, the operator controls the rotating wheels 2 to move the entire bridge erecting machine on the bridge. When the bridge erecting machine reaches the laying position, the operator in the control chamber 4 controls the extension of the third hydraulic cylinder 26, which drives the support foot 25 to move towards the bridge seat until the support foot 25 contacts the bridge seat. By setting several limit rods 27, the limit rods 27 can be inserted into the uneven positions on the bridge seat, thereby limiting the support foot 25 and improving the stability of the entire device during the bridge laying process. Then, when the transport vehicle transports the bridge body to directly below the top of the machine body, the linear motor and hydraulic cylinder 7 are controlled to operate, causing the sliding seats 6 at two positions to reach both sides of the bridge body, and the upper clamp 11 and lower clamp 13 to insert into the pre-reserved slots in the bridge body. When the upper clamp 11 and lower clamp 13 are controlled to move into the pre-reserved slots in the bridge body, the contact plate 21 on the upper clamp 11 comes into contact with the bridge body and moves along the upper clamp 11, thereby causing the second cylinder 23 to contract. During this process, the air in the second cylinder 23 can be forced into the first cylinder 20 and the third cylinder 18. This causes both cylinder 20 and cylinder 18 to extend. When cylinder 20 extends, the clamping head 14 can unfold and move, increasing the distance between two adjacent clamping heads 14, thereby increasing the contact range between the upper clamping seat 11 and the bridge body. The extension of cylinder 18 can drive the slider 17 to move, thereby driving the slider 17 to move along the clamping head 14. Under the action of the push arm 16, the damping plate 15 is controlled to rotate along its hinge until the damping plate 15 and the upper surface of the clamping head 14 are parallel. At this time, the damping plate 15 and the bridge body are fully in contact, improving the stability between the upper clamping seat 11 and the bridge body.

[0081] The present invention and its embodiments have been described above illustratively. This description is not restrictive, and the figures shown are only one embodiment of the present invention; the actual structure is not limited thereto. Therefore, if those skilled in the art are inspired by this description and design similar structures and embodiments without departing from the spirit of the present invention, such designs should fall within the protection scope of the present invention.

[0082] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A bridge erection machine, comprising a base, a plurality of movable wheels, a top body, a plurality of support columns, and a plurality of reinforcing arms, wherein the top body is disposed on one side of the base, and the top body is connected to the base via the plurality of support columns and the plurality of reinforcing arms, and a control compartment is provided on the top body, characterized in that, The bridge erecting machine also includes: The bridge support assembly consists of two sets, which are movably mounted on the guide rail formed on the top body. The two sets of bridge support assemblies are arranged opposite to each other and are used to install the bridge body and to pull the bridge body to move. Linear motors, the same number as the bridge assemblies, are mounted on the top body; the output ends of the linear motors are connected to the bridge assemblies. The front support assembly, located at one end of the top body, is used to support the top body on the bridge base; wherein... The bridge assembly includes: The sliding seat is movably mounted on the guide rail and connected to the linear motor; The lifting platform is movably mounted on one side of the sliding seat; Hydraulic cylinder No. 1 is mounted on a sliding seat, and its movable end is connected to the lifting platform; and The clamping module, mounted on the lifting platform, is used to clamp and fix the bridge body; The clamping module includes: The upper clamp is mounted on the lifting platform; A lower clamping seat is disposed on one side of the upper clamping seat. A second hydraulic cylinder is disposed on the upper clamping seat, and the movable end of the second hydraulic cylinder is connected to the lower clamping seat. The clamping heads are arranged in a number that are equidistantly mounted at one end of the upper clamping seat, and the upper clamping seat is provided with a number of guide rods that slide through the clamping heads. An adjustment unit, mounted on the upper clamping seat and connected to the clamping head, is used to adjust the distance between two adjacent clamping heads; and The friction-increasing unit, located on the clamping head and connected to the adjustment unit, is used to increase the frictional resistance between the clamping head and the bridge body. The adjustment unit includes: The contact plate is movably mounted on the upper clamp and the two are elastically connected; Several movable blocks are provided, each corresponding to a position of a clamping head, and the movable blocks are movably mounted on the upper clamping seat. The number of connecting blocks is the same as the number of moving blocks, and each connecting block and moving block are connected by cylinder number two; and Cylinder No. 1 is connected to two adjacent clamping heads, and Cylinder No. 1 is connected to Cylinder No.

2. The drag-increasing unit includes a third cylinder, a slider, a push arm, and a damping plate; One end of the damping plate is hinged to the clamping head and a torsion spring is provided at the hinge. The slider is movably mounted on the clamping head and is movably connected to the damping plate through a push arm. The third cylinder is connected between the clamping head and the slider and is connected to the first cylinder.

2. The bridge erection machine according to claim 1, characterized in that, The damping plate has several protrusions evenly spaced.

3. The bridge erection machine according to claim 1, characterized in that, The front support component includes: The support feet are movably mounted on one side of the top body. Several hydraulic cylinders, numbered three in number and mounted on the top body, have their movable ends connected to support feet; and The limiting unit is installed on the support foot and is used to limit the displacement of the support foot on the bridge seat.

4. The bridge erection machine according to claim 3, characterized in that, The limiting unit includes limiting rods and elastic elements. There are several limiting rods, which are movably mounted on the support feet. The elastic elements are connected between the limiting rods and the support feet.

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