Steel wire rope hoist with limiting structure

Abstract

The utility model relates to the technical field of cranes, and discloses a steel wire rope hoist with a limiting structure, which comprises a steel wire rope hoist body, and the steel wire rope hoist body comprises a shell. According to the steel wire rope hoist with the limiting structure, a movable sleeve is driven to move through movement of a positioning sleeve, then a guide column is driven to move, then a bottom plate is driven to move, then a movable rod is driven to move, meanwhile, a limiting plate is driven to move through movement of the movable rod, and then a clamping column is made to move towards the inner side; and when the limiting plate reaches the position of the fixing hole, the clamping column is restored under the action of the spring, so that the effect of limiting the lowest position of the hook is achieved, and the problem that in the using process of an existing steel wire rope hoist, when the lifting stroke of a steel wire rope is too long, the hook is damaged is solved. And therefore, the phenomenon that a lifted object collides with equipment or accidentally falls off is easily caused.

Description

Technical Field

[0001] The utility model relates to the technical field of cranes, in particular to a wire rope hoist with a limiting structure. Background Art

[0002] Crane refers to a multi-action lifting machinery that vertically lifts and horizontally transports heavy objects within a certain range. Wire rope hoist is a small lifting equipment wire rope hoist with the advantages of compact structure, light weight, small size, strong versatility of parts and components, and easy operation.

[0003] The prior art publication number is CN 216971832 U, which is a wire rope hoist crane. This patented technology can drive the second rotating rod around its own axis through the second motor through the set moving mechanism. The second rotating rod drives the threaded rod to rotate around its own axis. At the same time, the threaded rod drives the sliding plate to move left in the horizontal direction. It can effectively prevent the tilting phenomenon during the stretching process of the wire rope, improve the accuracy of the hook, and improve the working efficiency of the device, which is convenient for users to use.

[0004] At present, wire rope hoists are often needed in the construction field to make it easier for operators to lift, move, load and unload heavy objects. However, when using existing wire rope hoists, if the lifting stroke of the wire rope is too long, it is very easy to cause the lifted object to collide with the equipment or fall accidentally, which will affect the service life of the lifted object and cause a burden on the operator's lifting work. Therefore, improvements are proposed for wire rope hoists.

[0005] In order to solve the above problems, we have made improvements and proposed a wire rope hoist with a limiting structure. Utility Model Content

[0006] The purpose of the utility model is to provide a wire rope hoist with a limiting structure to solve the problems raised in the above background technology.

[0007] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0008] A wire rope hoist with a limited position structure comprises a wire rope hoist body, the wire rope hoist body comprises a shell, a servo motor 1 is fixedly connected to the right side of the shell, an output end of the servo motor 1 penetrates into the inner cavity of the shell and is fixedly connected to a wire rope spool, a gearbox is installed on the left side of the shell, a lifting rope is connected to the right side of the bottom of the wire rope spool, a hook pulley is movably connected to the bottom of the lifting rope surface, a rotating rod is installed at the bottom of the hook pulley, a positioning sleeve is movably connected to the surface of the rotating rod, a hook is fixedly connected to the bottom of the positioning sleeve, and limited position mechanisms are installed on both sides of the bottom of the shell;

[0009] The limiting mechanism includes a fixing plate, the top of the fixing plate is fixedly connected to both sides of the bottom of the shell, the bottom of the fixing plate is fixedly connected to an outer cylinder, the inner cavity of the outer cylinder is movably connected to a moving rod, the bottom of the moving rod is fixedly connected to a bottom plate, the front and back sides of the inner cavity of the bottom plate are movably connected to guide columns, the outer side of the guide column is fixedly connected to a limiting block, the right side of the surface of the guide column is movably connected to a moving sleeve, and the inner side of the moving sleeve is fixedly connected to the outer side of the positioning sleeve.

[0010] As a further solution of the utility model: fixing holes are opened on both sides of the inner cavity of the outer cylinder, and the fixing holes are arranged in a circular structure. The top of the inner cavity of the movable rod is fixedly connected to a limiting plate, and both sides of the inner cavity of the limiting plate are movably connected with clamping columns, and the outer side of the surface of the clamping column is movably connected to the inner cavity of the fixing hole.

[0011] As a further solution of the utility model: a circular plate is fixedly connected to the inner side of the clamping column, a spring is sleeved on the outer side of the clamping column surface, the inner side of the spring is fixedly connected to the outer side of the circular plate, the outer side of the spring is fixedly connected to the inner cavity of the limit plate, and the outer side of the guide column is fixedly connected to the limit block.

[0012] As a further solution of the utility model: connecting rods are fixedly connected to both sides of the positioning sleeve, a fixing block is fixedly connected to the top of the connecting rod, the inner side of the fixing block is fixedly connected to the outer side of the hook pulley, and a safety buckle is fixedly connected to the right side of the hook.

[0013] As a further solution of the utility model: the front side of the servo motor is fixedly connected to a limiter, the output end of the limiter is fixedly connected to a connecting shaft, the left side of the connecting shaft is fixedly connected to a limit rod, and the back side of the limit rod is fixedly connected to the front side of the housing.

[0014] As a further solution of the utility model: the top of the shell is fixedly connected to a top plate, and a moving mechanism is installed on the front and back sides of the top plate, and the moving mechanism includes a mounting plate 1 and a mounting plate 2, the back side of the mounting plate 1 is movably connected to the front side of the top plate, and the front side of the mounting plate 2 is movably connected to the back side of the top plate, the front side of the mounting plate 1 is fixedly connected to a servo motor 2, the output end of the servo motor 2 passes through the inner cavity of the mounting plate 1 and is fixedly connected to a gear 3, the top of the gear 3 is meshingly connected to the gear 2, and both sides of the gear 2 are meshingly connected to the gear 1, the inner cavity of the gear 1 is fixedly connected to a support rod, the front side of the support rod is movably connected to the inner cavity of the mounting plate 1, the back side of the support rod passes through the back side of the mounting plate 1 and is fixedly connected to a pulley 2, and both sides of the front side of the mounting plate 2 are movably connected to pulley 1.

[0015] As a further solution of the utility model: the inner cavity of the gear two is movably connected with a rotating shaft, the surface of the rotating shaft is fixedly connected to the inner cavity of the mounting plate one, the top plate, mounting plate one and both sides of the bottom of the inner cavity of the mounting plate two are movably connected with an insertion rod, and the front and back sides of the surface of the insertion rod are movably connected with a fixing sleeve.

[0016] Compared with the prior art, the beneficial effects of the utility model are:

[0017] 1. The utility model drives the moving sleeve to move through the movement of the positioning sleeve, and then drives the guide column to move, and then drives the bottom plate to move, and then drives the moving rod to move. At the same time, the movement of the moving rod drives the limit plate to move, and then the clamping column moves inward, and then the spring is extended, and then when the limit plate reaches the position of the fixing hole, the clamping column returns to its original position under the action of the spring, thereby achieving the effect of limiting the lowest position of the hook and fixing each position of the hook, which can solve the problem that when the existing wire rope hoist is in use, when the wire rope lifting stroke is too long, it is very easy to cause the lifted object to collide with the equipment or fall accidentally, which will then affect the service life of the lifted object and cause a burden on the lifting work of the operator.

[0018] 2. The utility model provides a fixing hole, which makes it easier for operators to connect the clamping column to the inner cavity of the fixing hole. The setting of the clamping column can achieve the effect of fixing and limiting the positions of different positioning sleeves. The setting of the circular plate can achieve the effect of limiting the clamping column in a moving state, thereby preventing the clamping column from falling off from the inner cavity of the limiting plate during movement. The setting of the spring can drive the circular plate to move when the clamping column moves, thereby absorbing the generated force. Further, when the clamping column loses its force, the circular plate will return to its original position, thereby achieving the effect of limiting the positioning sleeves at different positions. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a structural schematic diagram of a wire rope hoist with a limited position structure;

[0020] Figure 2 It is a schematic diagram of the structural connection of a guide column in a wire rope hoist with a limited position structure;

[0021] Figure 3 It is a cross-sectional view of the outer cylinder of a wire rope hoist with a limiting structure;

[0022] Figure 4 It is a cross-sectional view of a limiting plate in a wire rope hoist with a limiting structure;

[0023] Figure 5It is a schematic diagram of the structural connection of a connecting rod in a wire rope hoist with a limited position structure;

[0024] Figure 6 It is a schematic diagram of the structural connection of the plug rod in a wire rope hoist with a limited position structure;

[0025] Figure 7 The present invention is a cross-sectional view of a mounting plate 1 in a wire rope hoist with a limiting structure.

[0026] In the figure: 1. Wire rope hoist body; 101. Shell; 102. Connecting shaft; 103. Top plate; 104. Limit rod; 105. Gearbox; 106. Wire rope spool; 107. Wire arrangement device; 108. Lifting rope; 109. Hook pulley; 110. Servo motor 1; 111. Limiter; 112. Hook; 113. Safety buckle; 114. Turning rod; 115. Connecting rod; 116. Fixed block; 117. Positioning sleeve; 2. Limiting mechanism; 201. Fixed plate; 202. Outer cylinder; 203. Fixing hole; 204, bottom plate; 205, guide column; 206, moving rod; 207, limit plate; 208, limit block; 209, round plate; 210, clamping column; 211, spring; 212, moving sleeve; 3, moving mechanism; 301, mounting plate one; 302, fixing sleeve; 303, servo motor two; 304, plug rod; 305, pulley one; 306, mounting plate two; 307, gear one; 308, pulley two; 309, rotating shaft; 310, gear two; 311, gear three; 312, support rod. DETAILED DESCRIPTION

[0027] In order to make the purpose, technical solution and advantages of the implementation mode of the utility model clearer, the technical solution in the implementation mode of the utility model will be clearly and completely described below in conjunction with the drawings in the implementation mode of the utility model. Obviously, the implementation mode described is a part of the implementation mode of the utility model, not all the implementation modes. Based on the implementation mode of the utility model, all other implementation modes obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model. Example

[0028] See also Figure 1 , 2, 3, 4 and 5, a wire rope hoist with a limited position structure, comprising a wire rope hoist body 1, the wire rope hoist body 1 comprising a shell 101, a servo motor 110 is fixedly connected to the right side of the shell 101, the output end of the servo motor 110 passes through the inner cavity of the shell 101 and is fixedly connected to a wire rope spool 106, a gearbox 105 is installed on the left side of the shell 101, a lifting rope 108 is connected to the right side of the bottom of the wire rope spool 106, the bottom of the lifting rope 108 is movably connected to a hook pulley 109, a rotating rod 114 is installed at the bottom of the hook pulley 109, a positioning sleeve 117 is movably connected to the surface of the rotating rod 114, a hook 112 is fixedly connected to the bottom of the positioning sleeve 117, and a limited position mechanism 2 is installed on both sides of the bottom of the shell 101;

[0029] The limiting mechanism 2 includes a fixed plate 201, the top of the fixed plate 201 is fixedly connected to both sides of the bottom of the outer shell 101, the bottom of the fixed plate 201 is fixedly connected to an outer cylinder 202, the inner cavity of the outer cylinder 202 is movably connected to a moving rod 206, the bottom of the moving rod 206 is fixedly connected to a bottom plate 204, the front and back sides of the inner cavity of the bottom plate 204 are movably connected to guide columns 205, the outer side of the guide column 205 is fixedly connected to a limiting block 208, the right side of the surface of the guide column 205 is movably connected to a moving sleeve 212, and the inner side of the moving sleeve 212 is fixedly connected to the outer side of the positioning sleeve 117.

[0030] Both sides of the inner cavity of the outer cylinder 202 are provided with fixing holes 203, and the fixing holes 203 are arranged in a circular structure. The top of the inner cavity of the moving rod 206 is fixedly connected to the limiting plate 207, and both sides of the inner cavity of the limiting plate 207 are movably connected with the clamping column 210. The outer side of the surface of the clamping column 210 is movably connected to the inner cavity of the fixing hole 203. Through the setting of the fixing hole 203, it is more convenient for the operator to clamp the clamping column 210 to the inner cavity of the fixing hole 203. Through the setting of the clamping column 210, the position of different positioning sleeves 117 can be fixed and limited. The inner side of the clamping column 210 is fixedly connected with a circular plate 209, and the outer side of the surface of the clamping column 210 is provided with a spring 211. The spring 211 The inner side is fixedly connected to the outer side of the circular plate 209, the outer side of the spring 211 is fixedly connected to the inner cavity of the limit plate 207, and the outer side of the guide column 205 is fixedly connected to the limit block 208. Through the setting of the circular plate 209, the clamping column 210 in the moving state is limited to prevent the clamping column 210 from falling off from the inner cavity of the limit plate 207 during the movement. Through the setting of the spring 211, when the clamping column 210 moves, it will drive the circular plate 209 to move, so as to absorb the energy of the generated force. Further, when the clamping column 210 loses its force, the circular plate 209 will return to its original position, thereby achieving the effect of limiting the positioning sleeve 117 at different positions.

[0031] Both sides of the positioning sleeve 117 are fixedly connected with connecting rods 115, and the top of the connecting rod 115 is fixedly connected with a fixing block 116. The inner side of the fixing block 116 is fixedly connected to the outer side of the hook pulley 109, and the right side of the hook 112 is fixedly connected with a safety buckle 113. The connecting rod 115 and the fixing block 116 are arranged to achieve a connection between the positioning sleeve 117 and the hook pulley 109. The setting of the safety buckle 113 achieves the effect of limiting the weight lifted by the surface of the hook 112 to prevent the weight from falling off the surface of the hook 112. The front side of the servo motor 110 is fixedly connected to the limiter 111, and the output end of the limiter 111 is fixedly connected to the connecting shaft 102. The left side of the connecting shaft 102 is fixedly connected to the limiting rod 104, and the back side of the limiting rod 104 is fixedly connected to the front side of the housing 101. By starting the limiter 111, the connecting shaft 102 is driven to work through the operation of the limiter 111. The gear 107 is then limited by the limit rod 104 to prevent the cable arranging device 107 from moving excessively from the inner cavity of the shell 101 during movement. The inner cavity of the gear 2 310 is movably connected with a rotating shaft 309, and the surface of the rotating shaft 309 is fixedly connected to the inner cavity of the mounting plate 1 301. The top plate 103, the mounting plate 1 301 and the mounting plate 2 306 are movably connected to the insertion rod 304 on both sides of the bottom of the inner cavity. The front and back sides of the surface of the insertion rod 304 are movably connected to the fixing sleeve 302. Through the setting of the rotating shaft 309, the gear 2 310 in the working state is supported and fixed. Through the setting of the insertion rod 304 and the fixing sleeve 302, the mounting plate 1 301, the top plate 103 and the mounting plate 2 306 are connected and fixed, thereby achieving the effect of moving the top plate 103 and the shell 101 through the movement of the mounting plate 1 301 and the mounting plate 2 306.

[0032] See also Figure 1 , 67. A wire rope hoist with a limited position structure, wherein a top plate 103 is fixedly connected to the top of a housing 101, and a moving mechanism 3 is installed on the front and back sides of the top plate 103, wherein the moving mechanism 3 comprises a mounting plate 1 301 and a mounting plate 2 306, wherein the back side of the mounting plate 1 301 is movably connected to the front side of the top plate 103, and the front side of the mounting plate 2 306 is movably connected to the back side of the top plate 103, and the front side of the mounting plate 1 301 is fixedly connected to a servo motor 2 303, and the servo motor 2 303 is fixedly connected to the front side of the mounting plate 1 The output end of 3 penetrates into the inner cavity of the mounting plate 1 301 and is fixedly connected with a gear 311, the top of the gear 311 is meshedly connected with a gear 2 310, both sides of the gear 2 310 are meshedly connected with a gear 1 307, the inner cavity of the gear 1 307 is fixedly connected with a support rod 312, the front side of the support rod 312 is movably connected to the inner cavity of the mounting plate 1 301, the back side of the support rod 312 penetrates into the back side of the mounting plate 1 301 and is fixedly connected with a pulley 2 308, the mounting plate 2 3 06, and the top plate 103 is placed in the specified position by hand, and then the mounting plate 1 301 is placed on the front side of the top plate 103 by hand, and then the mounting plate 2 306 is placed on the back side of the top plate 103, and then the insertion rod 304 is inserted into the inner cavity of the mounting plate 1 301, the top plate 103 and the mounting plate 2 306, and then the fixing sleeve 302 is fixed to the surface of the insertion rod 304, and then the servo motor 2 303 is started, and then the gear 311 is driven to rotate by the operation of the servo motor 2 303, and then the gear 2 310 is driven to rotate on the surface of the rotating shaft 309 under the action of meshing, and then the gear 1 307 is driven to rotate, and then the support rod 312 is driven to rotate, and then the pulley 2 308 is driven to rotate, and then the top plate 103 is driven to move through the movement of the pulley 2 308, and then the pulley 1 305 is driven to rotate, so as to achieve the effect of moving the shell 101 in the working state.

[0033] The working principle of the utility model is as follows: first, the top plate 103 is placed in the specified position by hand, and then the mounting plate 1 301 is placed on the front side of the top plate 103 by hand, and then the mounting plate 2 306 is placed on the back side of the top plate 103, and then the insertion rod 304 is inserted into the inner cavity of the mounting plate 1 301, the top plate 103 and the mounting plate 2 306, and then the fixing sleeve 302 is fixed to the surface of the insertion rod 304, and then the servo motor 2 303 is started, and then the gear 311 is driven to rotate by the work of the servo motor 2 303, and then the gear 2 310 is driven to rotate on the surface of the rotating shaft 309 under the action of meshing, and then the gear 1 307 is driven to rotate, and then the support rod 31 2 is rotated, and then the pulley 2 308 is driven to rotate, and then the movement of the pulley 2 308 drives the top plate 103 to move, and then drives the pulley 1 305 to rotate, so as to achieve the effect of moving the shell 101 in the working state, and then start the limiter 111, and drive the connecting shaft 102 to work through the work of the limiter 111, and then make the limit rod 104 limit the wire arranging device 107 in the moving state, so as to prevent the wire arranging device 107 from moving too much from the inner cavity of the shell 101 during the movement, and then start the servo motor 110, and drive the wire rope spool 106 to rotate through the work of the servo motor 110, and then make The wire arranging device 107 arranges the wires left and right, and then the gearbox 105 is used to control the rotation speed of the wire rope spool 106 during its rotation, and then the lifting rope 108 is lowered, and then the hook pulley 109 slides on the surface of the lifting rope 108, and then the fixing block 116 is driven to move, and then the connecting rod 115 is driven to move, and then the positioning sleeve 117 is driven to move, and then the rotating rod 114 is driven to move, and then the hook 112 is driven to move, and finally when the movement of the positioning sleeve 117 drives the moving sleeve 212 to slide on the surface of the guide column 205 and drives the guide column 205 to move downward, and then drives the bottom plate 204 to move, Then it drives the moving rod 206 to move, and then when the moving rod 206 moves, it will drive the limiting plate 207 to move, and then when the limiting plate 207 moves, the clamping column 210 will move inward, and then it will drive the circular plate 209 to move inward, and then the spring 211 will be extended, and then when the limiting plate 207 reaches the position of the fixing hole 203, the clamping column 210 will return to its original position under the action of the spring 211, and then the clamping column 210 will be connected to the inner cavity of the fixing hole 203, so that it can not only achieve the effect of limiting the lowest position of the movement of the positioning sleeve 117, but also can achieve the effect of fixing and limiting the positioning sleeve 117 at different positions.

[0034] What is described above is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A wire rope hoist with a limit structure, comprising a wire rope hoist body (1), characterized in that: The wire rope hoist body (1) comprises a housing (101), a servo motor 1 (110) is fixedly connected to the right side of the housing (101), an output end of the servo motor 1 (110) passes through the inner cavity of the housing (101) and is fixedly connected to a wire rope spool (106), a gearbox (105) is installed on the left side of the housing (101), a lifting rope (108) is connected to the right side of the bottom of the wire rope spool (106), a hook pulley (109) is movably connected to the bottom of the lifting rope (108), a rotating rod (114) is installed at the bottom of the hook pulley (109), a positioning sleeve (117) is movably connected to the surface of the rotating rod (114), a hook (112) is fixedly connected to the bottom of the positioning sleeve (117), and a limiting mechanism (2) is installed on both sides of the bottom of the housing (101); The limiting mechanism (2) comprises a fixing plate (201), the top of the fixing plate (201) is fixedly connected to two sides of the bottom of the outer shell (101), the bottom of the fixing plate (201) is fixedly connected to an outer cylinder (202), the inner cavity of the outer cylinder (202) is movably connected to a moving rod (206), the bottom of the moving rod (206) is fixedly connected to a bottom plate (204), the front side and the back side of the inner cavity of the bottom plate (204) are movably connected to guide columns (205), the outer side of the guide column (205) is fixedly connected to a limiting block (208), the right side of the surface of the guide column (205) is movably connected to a moving sleeve (212), and the inner side of the moving sleeve (212) is fixedly connected to the outer side of the positioning sleeve (117).

2. A wire rope hoist with a limiting structure according to claim 1, characterized in that: Fixing holes (203) are provided on both sides of the inner cavity of the outer cylinder (202), and the fixing holes (203) are arranged in a circular structure. The top of the inner cavity of the movable rod (206) is fixedly connected to a limiting plate (207), and both sides of the inner cavity of the limiting plate (207) are movably connected to clamping columns (210), and the outer side of the surface of the clamping column (210) is movably connected to the inner cavity of the fixing hole (203).

3. A wire rope hoist with a limiting structure according to claim 2, characterized in that: The inner side of the clamping column (210) is fixedly connected to a circular plate (209); the outer side of the surface of the clamping column (210) is sleeved with a spring (211); the inner side of the spring (211) is fixedly connected to the outer side of the circular plate (209); the outer side of the spring (211) is fixedly connected to the inner cavity of the limit plate (207); and the outer side of the guide column (205) is fixedly connected to the limit block (208).

4. A wire rope hoist with a limiting structure according to claim 1, characterized in that: Both sides of the positioning sleeve (117) are fixedly connected to connecting rods (115), the top of the connecting rod (115) is fixedly connected to a fixing block (116), the inner side of the fixing block (116) is fixedly connected to the outer side of the hook pulley (109), and the right side of the hook (112) is fixedly connected to a safety buckle (113).

5. The wire rope hoist with a limiting structure according to claim 1, characterized in that: The front side of the servo motor 1 (110) is fixedly connected to a limiter (111), the output end of the limiter (111) is fixedly connected to a connecting shaft (102), the left side of the connecting shaft (102) is fixedly connected to a limit rod (104), and the back side of the limit rod (104) is fixedly connected to the front side of the housing (101).

6. A wire rope hoist with a limiting structure according to claim 1, characterized in that: The top of the housing (101) is fixedly connected to a top plate (103), and a moving mechanism (3) is installed on the front and back sides of the top plate (103). The moving mechanism (3) comprises a first mounting plate (301) and a second mounting plate (306). The back side of the first mounting plate (301) is movably connected to the front side of the top plate (103), and the front side of the second mounting plate (306) is movably connected to the back side of the top plate (103). The front side of the first mounting plate (301) is fixedly connected to a second servo motor (303), and the output end of the second servo motor (303) passes through the inner side of the first mounting plate (301). The inner cavity of the gear 1 (307) is fixedly connected to a support rod (312), the front side of the support rod (312) is movably connected to the inner cavity of the mounting plate 1 (301), the back side of the support rod (312) passes through the back side of the mounting plate 1 (301) and is fixedly connected to a pulley 2 (308), and both sides of the front side of the mounting plate 2 (306) are movably connected to pulley 1 (305).

7. A wire rope hoist with a limiting structure according to claim 6, characterized in that: The inner cavity of the gear 2 (310) is movably connected to a rotating shaft (309), the surface of the rotating shaft (309) is fixedly connected to the inner cavity of the mounting plate 1 (301), and both sides of the bottom of the inner cavities of the top plate (103), the mounting plate 1 (301) and the mounting plate 2 (306) are movably connected to an insertion rod (304), and the front side and the back side of the surface of the insertion rod (304) are movably connected to a fixing sleeve (302).

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