Old bridge demolition lifting device

Abstract

The utility model provides an old bridge demolition lifting device, and belongs to the technical field of old bridge demolition lifting. The old bridge dismantling and lifting device comprises a vehicle body, mounting columns are arranged at the four corners of the top of the vehicle body, hydraulic rods are arranged at the tops of the four sets of mounting columns, second hydraulic cylinders are arranged at one ends of the hydraulic rods, and supporting legs are arranged at the bottoms of the second hydraulic cylinders; through mutual cooperation of the vehicle body, the hydraulic rods, the supporting rods, the second hydraulic cylinders, the linear drivers and the mounting disc, the multiple sets of hydraulic rods on the top of the vehicle body are controlled to extend, the second hydraulic cylinders are started to drive the supporting legs to move to the ground, when the supporting legs make full contact with the ground, the four corners of the vehicle body can be limited, and the linear drivers below the vehicle body can be controlled; the linear driver can drive the installation disc to move towards the ground, when the installation disc is adjusted to make contact with the ground, the lower portion of the cab can be supported, the stability of the cab is improved, and follow-up dismantling and hoisting of an old bridge are facilitated.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of old bridge demolition hoisting, specifically, an old bridge demolition hoisting device. BACKGROUND

[0002] The hoisting device for old bridge demolition is usually used to safely and effectively remove the bridge components disassembled, especially in the demolition process of large bridges or complex structures, the hoisting device can be divided into various types, and the specific selection depends on the scale of the demolished bridge, the used material, the working environment and the safety requirement, in some bridge demolition projects, the various parts of the bridge are hoisted through the steel cable and the sling in cooperation with the crane or other hoisting equipment, this method can effectively share the hoisting weight and ensure the safety and stability of the bridge components during the demolition process, several hoisting equipment and technology are usually combined during the specific demolition process to improve the efficiency and ensure the safety.

[0003] In the specific old bridge demolition hoisting, the structure of the old bridge is not firm due to the long time, if the large equipment is directly used for hoisting, the old bridge structure may be directly separated, therefore, the small equipment is needed to hoist the old bridge, but the stability of the small equipment is insufficient during hoisting, and the operator is inconvenient to use. UTILITY MODEL CONTENTS

[0004] In order to make up for the above shortcomings, the utility model provides an old bridge demolition hoisting device which overcomes the above technical problems or at least partially solves the above problems.

[0005] The utility model is realized as follows:

[0006] The utility model provides an old bridge demolition hoisting device, which comprises a vehicle body,

[0007] The top of the vehicle body is provided with mounting columns at four corners, the top of the four groups of mounting columns is provided with hydraulic rods, one end of the hydraulic rod is provided with a hydraulic cylinder two, the bottom of the hydraulic cylinder two is provided with a supporting leg;

[0008] The top of the vehicle body is provided with a fixing rod, the top of the fixing rod is rotatably provided with a mounting rod, one side of the fixing rod is provided with an electric push rod, one end of the mounting rod is provided with a hydraulic cylinder one, one side of the hydraulic cylinder one is provided with a steel cable, and the surface of the steel cable is provided with a hook.

[0009] In one preferred scheme, one end of the fixing rod is provided with a mounting plate, the top of the mounting plate and the bottom of the mounting rod are provided with hinge supports, and the electric push rod is arranged between the two groups of hinge supports.

[0010] In a preferred scheme, the lower part of the hydraulic rod is provided with a support rod, and the hydraulic cylinder II is arranged on one side of the support rod.

[0011] In a preferred scheme, the top of the vehicle body is provided with a cab, and a staircase is arranged on one side of the vehicle body.

[0012] In a preferred scheme, the bottom of the vehicle body is provided with a linear driver, and the bottom of the linear driver is provided with a mounting disc, and the linear driver is arranged below the cab.

[0013] In a preferred scheme, the top of the vehicle body is provided with a fixing block, and a limiting groove is arranged on the surface of the fixing block.

[0014] In a preferred scheme, the size of the limiting groove is matched with the size of the mounting rod, and the bottom of the vehicle body is provided with a chain wheel.

[0015] In a preferred scheme, one end of the hydraulic cylinder I is provided with a fixing frame, the inside of the fixing frame is provided with a motor, the output end of the motor is provided with a winding drum, and the steel cable is arranged on the surface of the winding drum.

[0016] The old bridge lifting device has the following advantages:

[0017] 1. Through the cooperation of the vehicle body, the hydraulic rod, the support rod, the hydraulic cylinder II, the linear driver and the mounting disc, first, the multiple hydraulic rods on the top of the vehicle body are elongated, when the moving angle is enough for the hydraulic cylinder II to drive the support leg to move to the ground, the hydraulic cylinder II is started to drive the support leg to move to the ground, and when the vehicle body is completely in contact with the ground, the four corners of the vehicle body are limited, the linear driver below the vehicle body can be controlled, and the mounting disc can be driven to move to the ground, and when it is adjusted to be in contact with the ground, the cab below can also be supported, thereby improving the stability, and the operator can conveniently remove and lift the old bridge in the subsequent operation.

[0018] 2. Through the cooperation of the electric push rod, the mounting rod, the steel cable, the hook and the hydraulic cylinder I, when the operator needs to use the device to remove and lift the old bridge, the operator can control the electric push rod to elongate according to the demand, the angle of the mounting rod can be adjusted when it is elongated, the operator can control the length of the steel cable after the adjustment is completed, the old bridge can be removed and lifted when the hook below the steel cable moves to the old bridge, and when the old bridge of different heights needs to be removed and lifted, the hydraulic cylinder I can be controlled to elongate, the height of the steel cable can be controlled, and the operator can conveniently remove and lift various old bridges.

[0019] 3、Through the cooperation of the hydraulic cylinder two, the hydraulic rod, the electric push rod, the vehicle body, the mounting rod, the limiting groove and the hydraulic cylinder one, multiple hydraulic cylinder two and hydraulic rod can be controlled to be recycled, the supporting legs at each position of the vehicle body can be recycled, after completion, the operator can control the electric push rod to be recycled, when recycling, the mounting rod can be rotated, when rotating to the limiting groove, the electric push rod is closed, at this time, the mounting rod can be in a vertical state, after completion, the operator can control the hydraulic cylinder one to be recycled, through the above operation, the structures at each position of the device can be recycled, the occupied space of the device can be reduced, and the operator is facilitated to move. BRIEF DESCRIPTION OF DRAWINGS

[0020] In order to more clearly illustrate the technical scheme in the embodiments of the present application, the drawings needed to be used in the embodiments will be briefly introduced as follows, and it should be understood that the following drawings only show some embodiments of the present application, and therefore should not be regarded as a limitation to the scope, and for those skilled in the art, other related drawings can also be obtained without creative labor on the basis of the drawings.

[0021] Figure 1 is the overall perspective view provided by the embodiments of the present application;

[0022] Figure 2 is the side structure schematic view of the vehicle body provided by the embodiments of the present application;

[0023] Figure 3 is the top structure schematic view of the vehicle body provided by the embodiments of the present application;

[0024] Figure 4 is the top structure schematic view of the fixing block provided by the embodiments of the present application;

[0025] In the drawings: 11, vehicle body; 12, fixed rod; 13, mounting rod; 14, hydraulic cylinder one; 15, steel cable; 16, hook; 17, electric push rod; 18, hinged support; 19, cab; 2, mounting column; 21, supporting rod; 22, hydraulic cylinder two; 23, hydraulic rod; 24, stairs; 25, fixing block; 26, limiting groove; 27, linear drive; 28, mounting disc. DETAILED DESCRIPTION

[0026] In order to make the purpose, technical scheme and advantages of the embodiments of the present application more clear, the technical scheme in the embodiments of the present application will be described clearly and completely in combination with the drawings in the embodiments of the present application, obviously, the described embodiments are some embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor belong to the scope protected by the present application.

[0027] With reference to Figures 1-4 The utility model provides a kind of technical scheme: a kind of old bridge demolition hoist, including car body 11, the top four corners of car body 11 are all provided with mounting column 2, the top of four groups of mounting column 2 is all provided with hydraulic rod 23, one end of hydraulic rod 23 is provided with hydraulic cylinder two 22, the bottom of hydraulic cylinder two 22 is provided with support leg, the top of car body 11 is provided with fixed rod 12, fixed rod 12 is rotatably provided with mounting rod 13, one side of fixed rod 12 is provided with electric push rod 17, one end of mounting rod 13 is provided with hydraulic cylinder one 14, one side of hydraulic cylinder one 14 is provided with steel cable 15, the surface of steel cable 15 is provided with hook 16, by the mutual cooperation of cab 19, car body 11, hydraulic rod 23, support rod 21, hydraulic cylinder two 22, linear actuator 27 and mounting disc 28, when operator needs to keep the stability of the device in the process of old bridge demolition hoist, operator can first enter cab 19, then control the top of car body 11 Multiple groups of hydraulic rod 23 are elongated, when elongated, support rod 21 can be driven to move synchronously, when the angle of movement is enough for hydraulic cylinder two 22 to drive support leg to move to ground, operator can close hydraulic rod 23, and start hydraulic cylinder two 22, at this time, hydraulic cylinder two 22 can drive support leg to move to ground, when completely contact with ground, close hydraulic cylinder two 22, so that the top of car body 11 four corners can be limited, improve the stability of the device, after completion, operator can control linear actuator 27 below car body 11, linear actuator 27 can drive mounting disc 28 to move to ground, when adjusted to contact with ground, cab 19 below can also be supported, improve its stability, by the above operation, in turn, it is convenient for operator to carry out old bridge demolition hoist subsequently.

[0028] With reference to Figures 1-4In a preferred embodiment, one end of the fixed rod 12 is provided with a mounting plate, the top of the mounting plate and the bottom of the mounting rod 13 are provided with hinge supports 18, the electric push rod 17 is arranged between the two sets of hinge supports 18, the lower part of the hydraulic rod 23 is provided with a supporting rod 21, the hydraulic cylinder two 22 is arranged on one side of the supporting rod 21, the top of the vehicle body 11 is provided with a cab 19, one side of the vehicle body 11 is provided with a staircase 24, which facilitates the operator to climb, the bottom of the vehicle body 11 is provided with a linear drive 27, the bottom of the linear drive 27 is provided with a mounting disc 28, the linear drive 27 is arranged below the cab 19, through the cooperation of the electric push rod 17, the mounting rod 13, the steel cable 15, the hook 16 and the hydraulic cylinder one 14, when the operator needs to use the device to remove and lift the old bridge, the operator can first control the device to move to the lifting position, after completion, the operator can control the electric push rod 17 to extend, when extending, the angle of the mounting rod 13 can be adjusted, when the adjustment is completed, the operator can control the length of the steel cable 15, when the hook 16 below the steel cable 15 moves to the old bridge, the old bridge can be removed and lifted, when different height old bridges need to be removed and lifted, the hydraulic cylinder one 14 can be controlled to extend, the height of the steel cable 15 can be controlled, which facilitates the operator to remove and lift various old bridges, and facilitates the operator to use.

[0029] Referring to Figures 1-4 In a preferred embodiment, the top of the vehicle body 11 is provided with a fixed block 25, the surface of the fixed block 25 is provided with a limiting groove 26, the size of the limiting groove 26 is matched with the size of the mounting rod 13, the bottom of the vehicle body 11 is provided with a chain wheel, which facilitates the operator to move in some complex terrain, one end of the hydraulic cylinder one 14 is provided with a fixing frame, the inside of the fixing frame is provided with a motor, the output end of the motor is provided with a winding drum, the steel cable 15 is arranged on the surface of the winding drum, through the setting of the motor and the winding drum, the steel cable 15 can be wound and unwound, through the cooperation of the hydraulic cylinder two 22, the hydraulic rod 23, the electric push rod 17, the vehicle body 11, the mounting rod 13, the limiting groove 26 and the hydraulic cylinder one 14, when the operator needs to move the device, the operator can control the multiple sets of hydraulic cylinder two 22 and the hydraulic rod 23 to be recovered, so that the supporting legs of the vehicle body 11 can be recovered, after completion, the operator can control the electric push rod 17 to be recovered, when recovered, the mounting rod 13 can be rotated, when rotated to the limiting groove 26, the electric push rod 17 is turned off, at this time the mounting rod 13 can be in a vertical state, after completion, the operator can control the hydraulic cylinder one 14 to be recovered, through the above operation, the structures of the device can be recovered, which can reduce the occupied space of the device, and facilitates the operator to move.

[0030] Specifically, the working process or working principle of the old bridge demolition hoisting device is as follows: in the specific old bridge demolition hoisting, the old bridge is usually not firm enough due to the long time, if directly using large equipment for demolition hoisting, the old bridge structure may be directly separated, therefore, small equipment is needed for old bridge demolition hoisting, but the stability of small equipment is insufficient when hoisting, and it is not convenient for the operator to use, therefore, the technical scheme can solve the above problems, when the operator needs to demolish and hoist the old bridge, first, compared with large equipment, the device in the scheme is smaller, when the operator needs to maintain the stability of the device during the process of demolishing and hoisting the old bridge, the operator can first enter the cab 19, then control the multiple hydraulic rods 23 on the top of the vehicle body 11 to elongate, when elongating, the supporting rods 21 can be synchronously moved, when the moving angle is enough for the hydraulic cylinder two 22 to move the supporting legs to the ground, the operator can close the hydraulic rods 23 and start the hydraulic cylinder two 22, at this time, the hydraulic cylinder two 22 can move the supporting legs to the ground, when completely contacting with the ground, the hydraulic cylinder two 22 is closed, so that the vehicle body 11 at four corners is limited, the stability of the device is improved, after completion, the operator can control the linear drive 27 below the vehicle body 11, the linear drive 27 can move the mounting disc 28 to the ground, when adjusted to contact with the ground, the cab 19 below can also be supported, the stability is improved, through the above operation, the operator can conveniently demolish and hoist the old bridge subsequently, when the operator needs to use the device to demolish and hoist the old bridge, the operator can first control the device and move it to the hoisting position, after completion, the operator can control the electric push rod 17 to elongate according to the demand, when elongating, the angle of the mounting rod 13 can be adjusted, when the adjustment is completed, the operator can control the length of the steel cable 15, when the hook 16 below the steel cable 15 moves to the old bridge, the old bridge can be demolished and hoisted, when different height old bridges need to be demolished and hoisted, the hydraulic cylinder one 14 can be controlled to elongate, the height of the steel cable 15 can be controlled, the operator can conveniently demolish and hoist various old bridges, and the operator can use conveniently, when the operator needs to move the device, the operator can control the multiple hydraulic cylinders two 22 and hydraulic rods 23 to be recovered, the supporting legs at each position of the vehicle body 11 can be recovered, after completion, the operator can control the electric push rod 17 to be recovered, when recovered, the mounting rod 13 can be rotated, when rotated to the limiting groove 26, the electric push rod 17 is closed, at this time, the mounting rod 13 can be in the vertical state, after completion, the operator can control the hydraulic cylinder one 14 to be recovered, through the above operation, the structures at each position of the device can be recovered, the occupied space of the device can be reduced, the operator can move conveniently, and the process is ended.

[0031] It should be noted that the hydraulic cylinder 14, the electric push rod 17, the hydraulic rod 23, the hydraulic cylinder 22 and the linear driver 27 are all connected with an external power supply and are devices or equipment existing in the prior art or devices or equipment that can be realized in the prior art, and the power supply, specific components and principles thereof are clear to those skilled in the art, and thus will not be described in detail.

Claims

1. A lifting device for dismantling old bridges, characterized in that: Including the vehicle body (11), Mounting posts (2) are provided at the four corners of the top of the vehicle body (11). Hydraulic rods (23) are provided at the top of the four sets of mounting posts (2). A hydraulic cylinder (22) is provided at one end of the hydraulic rod (23). A support leg is provided at the bottom of the hydraulic cylinder (22). A fixing rod (12) is provided on the top of the vehicle body (11). A mounting rod (13) is rotatably provided on the top of the fixing rod (12). An electric push rod (17) is provided on one side of the fixing rod (12). A hydraulic cylinder (14) is provided at one end of the mounting rod (13). A steel cable (15) is provided on one side of the hydraulic cylinder (14). A hook (16) is provided on the surface of the steel cable (15).

2. The old bridge demolition lifting device according to claim 1, characterized in that, One end of the fixed rod (12) is provided with a mounting plate, and the top of the mounting plate and the bottom of the mounting rod (13) are both provided with hinge supports (18), and the electric push rod (17) is located between the two sets of hinge supports (18).

3. The old bridge demolition lifting device according to claim 2, characterized in that, A support rod (21) is provided below the hydraulic rod (23), and the second hydraulic cylinder (22) is located on one side of the support rod (21).

4. The old bridge demolition lifting device according to claim 3, characterized in that, The vehicle body (11) has a driver's cab (19) on its top and a staircase (24) on one side of its side.

5. The old bridge demolition lifting device according to claim 4, characterized in that, A linear actuator (27) is provided at the bottom of the vehicle body (11), and a mounting plate (28) is provided at the bottom of the linear actuator (27). The linear actuator (27) is located below the cab (19).

6. The old bridge demolition lifting device according to claim 5, characterized in that, A fixing block (25) is provided on the top of the vehicle body (11), and a limiting groove (26) is formed on the surface of the fixing block (25).

7. The old bridge demolition lifting device according to claim 6, characterized in that, The size of the limiting groove (26) is adapted to the size of the mounting rod (13), and a sprocket is provided at the bottom of the vehicle body (11).

8. A lifting device for dismantling old bridges according to claim 7, characterized in that, One end of the hydraulic cylinder (14) is provided with a fixed frame, the inside of the fixed frame is provided with a motor, the output end of the motor is provided with a drum, and the steel cable (15) is provided on the surface of the drum.

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