Movable counterweight of wheeled crane

Abstract

The utility model relates to the technical field of movable counter weights, and discloses a wheeled crane movable counter weight which comprises a lifting cross beam, a plurality of lifting supports are fixedly connected to the left side and the right side of the bottom of the lifting cross beam respectively, a fixing plate is fixedly connected between every two adjacent lifting supports, a plurality of second round holes are formed in each fixing plate, and a plurality of second round holes are formed in each fixing plate. A fixed rod is fixedly connected to the top of the fixed plate, a movable rod is slidably connected to the outer wall of the fixed rod, a long-strip-shaped groove is formed in the movable rod, and a balancing weight is slidably connected to the interior of the long-strip-shaped groove. According to the lifting device, when the lifting hook hooks a heavy object and deviates towards one side, the weight of the other side is light, at the moment, the second clamping column is taken out upwards, then the movable rod moves along the fixed rod until the movable rod reaches a proper position, and the effect that the overall weight cannot deviate towards one side by adjusting the balancing weight left, right, front and back is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to mobile counterweight technical field especially relates to a wheel type crane mobile counterweight. BACKGROUND

[0002] The wheel type crane is a kind of hoisting equipment widely used in construction engineering, port loading and unloading and logistics transportation field, it is mainly composed of upper car part and lower car part, upper car part includes hoisting arm, hoisting mechanism and luffing mechanism, these components work together can lift and move heavy objects, the length of hoisting arm can be telescopic adjustment according to actual operation demand, hoisting mechanism can accurately control the lifting speed of heavy objects, lower car part is mainly the chassis with tire, this makes the crane have good mobility, can be conveniently shifted between different work sites, such as in different areas of construction site or between each berth of port wharf mobile operation, but in use, the hoisted goods often deviates to one side, at this moment, the overall weight is uneven.

[0003] The mobile counterweight mechanism of existing wheel type crane is mainly composed of counterweight, driving device and track system, counterweight is usually made of high-density material, ensure that enough gravity is provided in limited volume, driving device adopts hydraulic or electric system, is the power source for realizing the movement of counterweight, can accurately control the displacement of counterweight, track system is installed on the chassis of crane, provides guidance for the movement of counterweight, guarantees its stability and accuracy in the movement process, each part works together, guarantees the normal operation of mobile counterweight mechanism, through this accurate dynamic adjustment process, maintains the balance and stability of crane under different working conditions, efficiently completes hoisting operation, but the existing mobile counterweight mechanism can only adjust gravity left and right, cannot adjust the weight in front and back. UTILITARIAN CONTENT

[0004] In order to make up for the above shortcomings, the utility model provides a wheel type crane mobile counterweight, aims at improving the problems in prior art that the existing mobile counterweight mechanism can only adjust gravity left and right, cannot adjust the weight in front and back.

[0005] In order to achieve the above object, the utility model discloses the following technical scheme: a mobile counterweight of a wheel crane, including hoisting crossbeam, the bottom left and right sides of hoisting crossbeam are all fixedly connected with a plurality of hoisting supports, the adjacent fixedly connected with fixed plate between a plurality of hoisting supports, the inside of fixed plate is all provided with a plurality of round holes two, the top of fixed plate is fixedly connected with fixed rod, the outer wall of fixed rod is slidably connected with moving rod, the inside of moving rod is provided with long recess, the inside of long recess is slidably connected with counterweight, the rear side of counterweight is fixedly connected with pull column, the top both ends of moving rod are all threadedly connected with clamping column no.

[0006] As a further description of the above technical scheme:

[0007] The telescopic mechanism includes a clamping column one, the outer wall of the clamping column one is slidably connected with the inner wall of the connecting plate, the outer wall of the clamping column one is slidably connected with a spring, the top of the spring is fixedly connected with a limiting plate, the inner wall of the limiting plate is slidably connected with a plurality of limiting columns, the inside of the connecting plate is provided with a plurality of round holes one, the bottom of the clamping column one is fixedly connected with a wheel.

[0008] As a further description of the above technical scheme:

[0009] The left side of the hoisting support is fixedly connected with a fixed block, and the right side upper end of the fixed block is fixedly connected with the left side lower end of the hoisting crossbeam.

[0010] As a further description of the above technical scheme:

[0011] The top of the fixed block is fixedly connected with a motor one, and the output end of the motor one is fixedly connected with a threaded rod one.

[0012] As a further description of the above technical scheme:

[0013] The outer wall of the threaded rod one is threadedly connected with a threaded sleeve one, and the bottom of the threaded sleeve one is fixedly connected with a motor two.

[0014] As a further description of the above technical scheme:

[0015] The outer wall lower end of the threaded sleeve one is fixedly connected with a protective shell, and the inside of the protective shell is fixedly connected with the top of the motor two.

[0016] As a further description of the above technical scheme:

[0017] The output end of the motor two is fixedly connected with a threaded rod two, and the top of the threaded rod two is slidably connected with the bottom of the protective shell.

[0018] As a further description of the above technical solutions:

[0019] The bottom of the threaded rod two is threadedly connected with a threaded sleeve two, and the bottom of the threaded sleeve two is fixedly connected with a lifting hook.

[0020] The utility model has the advantages of the following:

[0021] 1. In the utility model, when the lifting hook hooks the heavy object and deviates to one side, the other side is lighter, at this time, the second clamping column is taken out upward, then the moving rod is moved along the fixed rod, then the second clamping column is inserted into the second circular hole of the moving rod and the fixed plate again, at this time, the pulling column drives the counterweight to move, the counterweight will slide in the long groove until reaching the appropriate position, then the goods can be transported, and the counterweight can be adjusted left and right and front and back to prevent the overall weight from deviating to one side.

[0022] 2. In the utility model, when moving to uneven ground, at this time, the wheel is in the recess, the spring rebounds, drives the limiting plate to move downward, at this time, the limiting plate drives the first clamping column to move downward, and the position of the limiting plate is limited by the limiting column, so that the first clamping column can only move downward in the first circular hole, at this time, the first clamping column drives the wheel to be close to the recess downward, and the wheel can stably run on uneven ground. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 A front side perspective view of the mobile counterweight of the wheeled crane is provided for the utility model;

[0024] Figure 2 A first clamping column local structure split drawing of the mobile counterweight of the wheeled crane is provided for the utility model;

[0025] Figure 3 A fixed plate local structure display drawing of the mobile counterweight of the wheeled crane is provided for the utility model;

[0026] Figure 4 A moving rod local structure split drawing of the mobile counterweight of the wheeled crane is provided for the utility model;

[0027] Figure 5 A threaded rod one local structure split drawing of the mobile counterweight of the wheeled crane is provided for the utility model.

[0028] LEGEND:

[0029] 1, lifting beam; 2, telescopic mechanism; 201, clamping column one; 202, spring; 203, limiting plate; 204, limiting column; 205, round hole one; 206, wheel; 3, lifting support; 4, fixed plate; 5, round hole two; 6, fixed rod; 7, moving rod; 8, long groove; 9, counterweight; 10, pulling column; 11, clamping column two; 12, connecting plate; 13, fixed block; 14, motor one; 15, threaded rod one; 16, threaded sleeve one; 17, motor two; 18, threaded rod two; 19, protective shell; 20, threaded sleeve two; 21, lifting hook. DETAILED DESCRIPTION

[0030] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the 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 fall within the scope of protection of the present application.

[0031] Please refer to the drawings of the embodiments of the present application Figure 3 , the drawings of the embodiments of the present application Figure 4 and the drawings of the embodiments of the present application Figure 5 , the present application provides an embodiment: a wheeled crane moving counterweight, comprising a lifting beam 1, the bottom of the lifting beam 1 is fixedly connected with a plurality of lifting supports 3 on the left and right sides, so that the overall connection is more stable, the adjacent lifting supports 3 are fixedly connected with a fixed plate 4, the fixed plate 4 is provided with a plurality of round holes two 5 inside, the top of the fixed plate 4 is fixedly connected with a fixed rod 6, the outer wall of the fixed rod 6 is slidably connected with a moving rod 7, which is convenient to move, the inside of the moving rod 7 is provided with a long groove 8, the inside of the long groove 8 is slidably connected with a counterweight 9, the rear side of the counterweight 9 is fixedly connected with a pulling column 10, which plays a pulling role, the top of the moving rod 7 is threadedly connected with a clamping column two 11 at both ends, the bottom of the lifting support 3 is fixedly connected with a connecting plate 12, which plays a role of fixed connection, the bottom of the lifting beam 1 is provided with a plurality of telescopic mechanisms 2, the telescopic mechanism 2 is a telescopic motion;

[0032] Specific, including a lifting beam 1, the bottom of the lifting beam 1 left and right sides are fixedly connected with a plurality of lifting supports 3, the adjacent lifting supports 3 are fixedly connected with a fixed plate 4, the inside of the fixed plate 4 is uniformly provided with a plurality of circular holes two 5, at least one fixed rod 6 is fixedly connected to the top of the fixed plate 4, the outer wall of the fixed rod 6 is slidably connected with a moving rod 7, the inside of the moving rod 7 is provided with a long recess 8, the inside of the long recess 8 is slidably connected with a counterweight 9, the rear side of the counterweight 9 is fixedly connected with a pulling column 10, the pulling column 10 is used to operate the movement of the counterweight 9, in addition, the top of the moving rod 7 is threadedly connected with a clamping column two 11, the clamping column two 11 can be matched with other structures on the lifting beam 1, to ensure the stability and safety of the whole lifting machinery.

[0033] Please refer to the attached Figure 1 , attached Figure 2 and attached Figure 3 , the telescopic mechanism 2 includes a clamping column 201, the outer wall of the clamping column 201 is slidably connected with the inner wall of the connecting plate 12, the outer wall of the clamping column 201 is slidably connected with a spring 202, which provides elastic support for the whole body, the top of the spring 202 is fixedly connected with a limiting plate 203, the inner wall of the limiting plate 203 is slidably connected with a plurality of limiting columns 204, which plays a limiting role, the inside of the connecting plate 12 is provided with a plurality of circular holes one 205, the bottom of the clamping column 201 is fixedly connected with a wheel 206, which facilitates movement;

[0034] Specifically, the telescopic mechanism 2 includes a clamping column 201, the outer wall of the clamping column 201 is slidably connected with the inner wall of the connecting plate 12, in order to ensure the stability of the clamping column 201 during telescoping, a spring 202 is slidably connected to the outer wall of the clamping column 201, which provides the necessary elastic force to help the clamping column 201 maintain appropriate tension during telescoping, the top of the spring 202 is fixedly connected with a limiting plate 203, the inner wall of the limiting plate 203 is slidably connected with a plurality of limiting columns 204, which limits the movement range of the clamping column 201 to ensure that it telescopes within the predetermined track, in addition, the inside of the connecting plate 12 is provided with a plurality of circular holes one 205, which provides space for the sliding of the clamping column 201 and helps to reduce the weight of the overall structure, finally, the bottom of the clamping column 201 is fixedly connected with a wheel 206, so that the whole telescopic mechanism 2 can move flexibly to adapt to different use environments and needs.

[0035] Please refer to the attached Figure 1 , attached Figure 3 and attached Figure 4A fixing block 13 is fixedly connected to the left side of the lifting support 3. The upper right end of the fixing block 13 is fixedly connected to the lower left end of the lifting beam 1. A motor 14 is fixedly connected to the top of the fixing block 13, providing a power connection for the whole. A threaded rod 15 is fixedly connected to the output end of the motor 14. A threaded sleeve 16 is threadedly connected to the outer wall of the threaded rod 15. A motor 2 17 is fixedly connected to the bottom of the threaded sleeve 16, providing a power source for the whole.

[0036] Specifically, the left side of the described lifting support 3 is securely connected to a fixing block 13, which is located on the left side of the lifting support 3 to ensure structural stability. The upper right side of the fixing block 13 is fixedly connected to the lower left side of the lifting beam 1, making the entire lifting device structure more stable and able to withstand greater loads. In addition, the top of the fixing block 13 is fixedly connected to a motor 14, which serves as a power source to provide the necessary power for lifting operations. The output end of the motor 14 is fixedly connected to a threaded rod 15, the outer wall of which is threaded and connected to a threaded sleeve 16. The bottom of the threaded sleeve 16 is fixedly connected to a motor 17, which further provides power to ensure smooth lifting operations.

[0037] Please see the appendix Figure 1 Appendix Figure 3 and attached Figure 5 A protective shell 19 is fixedly connected to the lower end of the outer wall of the threaded sleeve 16. The inside of the protective shell 19 is fixedly connected to the top of the motor 17, which serves as a protection. A threaded rod 18 is fixedly connected to the output end of the motor 17. The top of the threaded rod 18 is slidably connected to the bottom of the protective shell 19. A threaded sleeve 20 is threadedly connected to the bottom of the threaded rod 18. A lifting hook 21 is fixedly connected to the bottom of the threaded sleeve 20 for easy starting.

[0038] Specifically, the lower end of the outer wall of the threaded sleeve 16 is fixedly connected to the protective shell 19, ensuring the stability and durability of the threaded sleeve 16. The inside of the protective shell 19 is fixedly connected to the top of the motor 17, thus providing a protective shell for the motor 17. The output end of the motor 17, as a power source, is fixedly connected to the threaded rod 18, ensuring the transmission and conversion of power. The top of the threaded rod 18 is slidably connected to the bottom of the protective shell 19, ensuring the mobility and stability of the threaded rod 18. The bottom of the threaded rod 18 is connected to the threaded sleeve 20 through a threaded connection, which is both firm and easy to disassemble. The bottom of the threaded sleeve 20 is fixedly connected to a lifting hook 21, enabling the entire device to be used for lifting and other operations, greatly expanding its application range and functions.

[0039] Working principle: when in use, the lifting hook 21 hooks the heavy object and deviates to one side, the other side is lighter, at this time the second clamping column 11 is taken out upward, then the moving rod 7 is moved along the fixed rod 6, at this time the moving rod 7 is moved to the appropriate position, then the second clamping column 11 is reinserted into the circular hole 5 of the moving rod 7 and the fixed plate 4, which plays a fixed role, then press the pulling column 10, at this time the pulling column 10 will drive the counterweight 9 to move, the counterweight 9 will slide in the long groove 8 until it reaches the appropriate position, then the goods can be transported, when the transportation is completed, the moving rod 7 is moved to the middle position, then it is fixed by the second clamping column 11, at the same time the plurality of counterweights 9 are reset, which realizes that the counterweight 9 can be adjusted left and right, front and back, so that the overall weight is not deviated to one side;

[0040] When moving to uneven ground, at this time the wheel 206 is in the recess, the spring 202 rebounds, drives the limiting plate 203 to move downward, at this time the limiting plate 203 drives the first clamping column 201 to move downward, at the same time the position of the limiting plate 203 is limited by the limiting column 204, so that the first clamping column 201 can only move downward in the circular hole 205, at this time the first clamping column 201 drives the wheel 206 to be close to the recess downward, when in the protruding position, the spring 202 will be compressed, drives the limiting plate 203 to move upward, the limiting plate 203 drives the first clamping column 201 and the wheel 206 to move upward, which realizes the effect of stable operation on uneven ground.

[0041] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and not for limiting the present application, although the foregoing detailed description of the present application is made with reference to the foregoing embodiments, for those skilled in the art, it still can modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part of the technical features, any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application, should be included in the protection scope of the present application.

Claims

1. A mobile counterweight of a wheel crane comprising a hoisting beam (1), characterized in that: The bottom left and right sides of the lifting beam (1) are fixedly connected with a plurality of lifting supports (3), the adjacent lifting supports (3) are fixedly connected with a fixed plate (4), a plurality of circular holes (5) are formed in the fixed plate (4), the top of the fixed plate (4) is fixedly connected with a fixed rod (6), the outer wall of the fixed rod (6) is slidably connected with a moving rod (7), a long groove (8) is formed in the moving rod (7), the inside of the long groove (8) is slidably connected with a counterweight (9), the rear side of the counterweight (9) is fixedly connected with a pulling column (10), the top of the moving rod (7) is threadedly connected with a clamping column (11), the bottom of the lifting support (3) is fixedly connected with a connecting plate (12), and the bottom of the lifting beam (1) is provided with a plurality of telescopic mechanisms (2).

2. A mobile counterweight for a wheel crane according to claim 1, characterized in that: The telescopic mechanism (2) comprises a clamping column (201), the outer wall of the clamping column (201) is slidably connected with the inner wall of the connecting plate (12), the outer wall of the clamping column (201) is slidably connected with a spring (202), the top of the spring (202) is fixedly connected with a limiting plate (203), the inner wall of the limiting plate (203) is slidably connected with a plurality of limiting columns (204), a plurality of circular holes (205) are formed in the connecting plate (12), and the bottom of the clamping column (201) is fixedly connected with a wheel (206).

3. A mobile counterweight for a wheel crane according to claim 1, characterized in that: The left side of the lifting support (3) is fixedly connected with a fixed block (13), and the right side upper end of the fixed block (13) is fixedly connected with the left side lower end of the lifting beam (1).

4. A mobile counterweight for a wheel crane according to claim 3, characterized in that: The top of the fixed block (13) is fixedly connected with a motor (14), and the output end of the motor (14) is fixedly connected with a threaded rod (15).

5. A mobile counterweight for a wheel crane according to claim 4, characterized in that: The outer wall of the threaded rod (15) is threadedly connected with a threaded sleeve (16), and the bottom of the threaded sleeve (16) is fixedly connected with a motor (17).

6. A mobile counterweight for a wheel crane according to claim 5, characterized in that: The outer wall lower end of the threaded sleeve (16) is fixedly connected with a protective shell (19), and the inside of the protective shell (19) is fixedly connected with the top of the motor (17).

7. A mobile counterweight for a wheel crane according to claim 6, characterized in that: The output end of the motor (17) is fixedly connected with a threaded rod (18), and the top of the threaded rod (18) is slidably connected with the bottom of the protective shell (19).

8. A mobile counterweight for a wheel crane according to claim 7, characterized in that: The bottom of the threaded rod (18) is threadedly connected with a threaded sleeve (20), and the bottom of the threaded sleeve (20) is fixedly connected with a lifting hook (21).

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