A pulling tool for equipment maintenance

Abstract

The utility model relates to the technical field of equipment maintenance, and discloses a pulling tool for equipment maintenance, including a column, a rotating structure installed on the upper side of the main body, a pulling structure installed on the lower side of the main body, the rotating structure including an upper main fixed column, a lower main fixed column, and a threaded path, a lower main fixed column installed on the lower side of the upper main fixed column, and a threaded path opened on the lower side of the lower main fixed column. The utility model is provided with a rotating structure, and the required force is adjusted by adjusting the height of the first hydraulic column and the second hydraulic column. When the object to be pulled is too large, the first hydraulic column and the second hydraulic column can be fully raised to form a method of rotating the main rotating rod with a large distance and a small force, and the upper and lower main fixed columns and the threaded path are driven by the main rotating rod, and the object to be pulled that is clamped in the clamping groove is pulled up by shrinking the threaded path and the distance between the shrinking groove.

Description

Technical Field

[0001] The utility model relates to the technical field of equipment maintenance, in particular to a pulling tool for equipment maintenance. Background Art

[0002] Pulling tools play an irreplaceable role in maintenance operations, mainly because some devices have sensitive areas, and their pins cannot be operated using tools such as prying tools and pliers, otherwise it is easy to cause damage to certain parts. In the prior art, pulling tools are mainly used to dismantle the pin shaft. The operator holds the impact hammer by hand and quickly slides the impact hammer to hit the block at the end of the pulling rod, and the pin shaft is disassembled through the pulling rod. However, in the process of sliding on the surface of the hand-held impact hammer, due to the heavy weight of the impact hammer, it is inconvenient for the operator to use force on it, resulting in a slow sliding speed, which affects the disassembly efficiency of the pin shaft. When the impact hammer hits the limit block, it will generate a large impact force and vibration, which is easy to accidentally injure the operator's hand, posing a large safety hazard. The existing bearing puller is a device for removing the inner bearing from the bearing seat. It is an internal bearing puller, which includes a mounting plate, a tension bolt and a through-thread bolt; there are no less than two tension bolts, and the bottom of each tension bolt has a claw that can hang the bottom of the internal bearing. A fastening nut is installed on each tension bolt. There is no less than one long hole in the middle of the mounting plate, and the width of the long hole is greater than the diameter of the tension bolt. The lower end of each tension bolt passes through the long hole and extends to the bottom of the mounting plate. The fastening nut can be stuck on the mounting plate at the long hole; no less than two positioning nuts are fixed on the mounting plate outside the long hole. The utility model has a reasonable and compact structure, can quickly and conveniently remove graphite and silicon carbide bearings of different diameters and lengths, and will not cause damage to the inner bearing during removal, thereby greatly reducing the increase in product cost caused by damage to the inner bearing, and also greatly improving the work efficiency of removing the inner bearing. The puller for the inner bearing of the wheel hub of an axle comprises a puller sleeve, a guide column and a guide block, wherein the guide block is passed through the guide column, the guide column is fixed on the puller sleeve, and the guide block has bolts in the same direction as the guide column. The utility model can be used to easily pull out the inner bearing of the wheel hub of a truck axle without damaging valuable parts such as the axle housing. The puller for the inner bearing of the wheel hub of an axle is characterized in that it comprises a puller sleeve, a guide column and a guide block, wherein the guide block is passed through the guide column, the guide column is fixed on the puller sleeve, and the guide block has bolts in the same direction as the guide column.

[0003] The application number is 202321275309.2, which discloses a pulling tool for disassembling a pin shaft for maintenance of mining equipment, belonging to the technical field of maintenance of mining equipment. It mainly includes a pulling rod, an impact hammer, a first flexible belt connecting rod, a handle, a limit nut, and a limit block. The pulling rod is provided with an impact hammer that can slide along the axial direction of the pulling rod, one end of the pulling rod is provided with a limit block for limiting the impact hammer, and the other end is provided with an external thread that matches the threaded hole of the limit nut. The end of the pulling rod is threadedly connected with a limit nut for limiting the end of the pin shaft; a connecting rod is provided on the side of the impact hammer, and the connecting rod is connected to the handle through a first flexible belt; by setting the handle and the first flexible belt to pull the impact hammer to move, it is convenient to manually apply a pulling force to the impact hammer, and the pulling speed is slowed down, thereby improving the disassembly efficiency of the pin shaft, reducing the vibration of the hand when the impact hammer collides with the limit block, avoiding the problem of accidental injury to the operator's hand, and reducing the safety hazards during operation.

[0004] However, there are some shortcomings in the pull rod and impact hammer provided in the device. The target object is taken out through the cooperation between the impact hammer and the pull rod, but it is not considered that the impact hammer requires too much manual effort during the impact process, and the impact hammer is easily damaged, which increases the cost of consumables. Utility Model Content

[0005] The purpose of the utility model is to provide a pulling tool for equipment maintenance, so as to solve the problem that the pulling rod and the impact hammer provided in the device mentioned in the above background technology are used to remove the target object through the cooperation between the impact hammer and the pulling rod. However, it is not considered that the impact hammer needs too much manual effort during the impact process, and the impact hammer is easily damaged, which increases the cost of consumables.

[0006] In order to solve the above technical problems, the utility model is realized by the following technical solutions:

[0007] The utility model is a pulling tool for equipment maintenance, comprising a main body, a rotating structure is installed on the upper side of the main body, a pulling structure is installed on the lower side of the main body, the rotating structure comprises an upper main fixing column, a lower main fixing column, a threaded path, a first hydraulic column, a second hydraulic column, a main rotating rod, a first conversion joint, a first latch, a first force arm, a second latch, a second force arm, a third latch, and a second conversion joint, a lower main fixing column is installed on the lower side of the upper main fixing column, and a threaded path is opened on the lower side of the lower main fixing column.

[0008] Furthermore, a first hydraulic column is installed on a side of the upper main fixed column away from the lower main fixed column, a second hydraulic column is installed on a side of the first hydraulic column away from the upper main fixed column, and a main rotating rod is installed on a side of the second hydraulic column away from the first hydraulic column.

[0009] Furthermore, a first conversion joint is installed on one side of the upper main fixing column, and a first latch is installed on the inner side of the first conversion joint.

[0010] Furthermore, the first conversion joint is movably connected to the first lever arm via a first latch, and a second latch is installed inside a side of the first lever arm away from the first latch.

[0011] Furthermore, the first force arm is movably connected to the second force arm through a second latch, and a third latch is installed inside a side of the second force arm away from the second latch.

[0012] Furthermore, the second force arm is movably connected to the second conversion joint via a third latch, and a side of the second conversion joint away from the third latch is fixedly connected to the main rotating rod.

[0013] Furthermore, the drawing structure includes a drawing column, a contraction groove, a transverse placement groove, a clamping groove, and a vertical placement groove. The inner side of the drawing column is provided with a contraction groove, and the lower side of the contraction groove is provided with a transverse placement groove.

[0014] Furthermore, a clamping groove is provided inside the transverse placement groove, and a vertical placement groove is provided on one side of the clamping groove.

[0015] Furthermore, the upper side of the contraction groove is connected to the lower side of the threaded path.

[0016] The utility model has the following beneficial effects:

[0017] (1) The utility model is provided with a rotating structure, and the size of the required force is adjusted by adjusting the height of the first hydraulic column and the second hydraulic column. When the object to be pulled is too large, the first hydraulic column and the second hydraulic column can be fully raised to form a method of rotating the main rotating rod with a large distance and small force, and the upper and lower main fixed columns and the threaded road are driven by the main rotating rod. The distance between the threaded road and the shrinkage groove is contracted to pull up the object to be pulled that is clamped in the clamping groove.

[0018] (2) The utility model provides a pulling structure, so that the object to be pulled can first pass through the vertical placement groove into the pulling structure, and then be clamped in the clamping groove after entering. In addition, a horizontal placement groove is also provided in the pulling structure. When the object to be pulled is too large, a relatively large placement groove space is required for placing the clamped object, which has good practicality.

[0019] Of course, any product implementing the present invention does not necessarily need to achieve all of the advantages described above at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for describing the embodiments are briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0021] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0022] Figure 2 It is an overall schematic diagram of the rotating structure of the utility model;

[0023] Figure 3 This is a front view of the overall structure of the utility model;

[0024] Figure 4 for Figure 3 The enlarged schematic diagram of point A in the middle;

[0025] Figure 5 It is an enlarged cross-sectional view of the drawing structure of the utility model;

[0026] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0027] In the figure: 1, main body; 2, rotating structure; 3, pulling structure; 201, upper main fixed column; 202, lower main fixed column; 203, threaded path; 204, first hydraulic column; 205, second hydraulic column; 206, main rotating rod; 207, first conversion joint; 208, first latch; 209, first lever arm; 210, second latch; 211, second lever arm; 212, third latch; 213, second conversion joint; 301, pulling column; 302, contraction groove; 303, horizontal placement groove; 304, clamping groove; 305, vertical placement groove; DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0029] See also Figure 1-Figure 5As shown, the utility model is a pulling tool for equipment maintenance, including a main body 1, a rotating structure 2 is installed on the upper side of the main body 1, and a pulling structure 3 is installed on the lower side of the main body 1. The rotating structure 2 includes an upper main fixed column 201, a lower main fixed column 202, a threaded path 203, a first hydraulic column 204, a second hydraulic column 205, a main rotating rod 206, a first conversion joint 207, a first latch 208, a first force arm 209, a second latch 210, a second force arm 211, a third latch 212, and a second conversion joint 213. The lower side of the upper main fixed column 201 is installed with a lower main fixed column 202, and the lower side of the lower main fixed column 202 is provided with a threaded path 203.

[0030] A first hydraulic column 204 is installed on the side of the upper main fixed column 201 away from the lower main fixed column 202 , a second hydraulic column 205 is installed on the side of the first hydraulic column 204 away from the upper main fixed column 201 , and a main rotating rod 206 is installed on the side of the second hydraulic column 205 away from the first hydraulic column 204 .

[0031] A first conversion joint 207 is installed on one side of the upper main fixing column 201 , and a first latch 208 is installed on the inner side of the first conversion joint 207 .

[0032] The first conversion joint is movably connected to the first lever arm 209 via the first latch pin 208 , and a second latch pin 210 is installed inside the first lever arm 209 at a side away from the first latch pin 208 .

[0033] The first lever arm 209 is movably connected to the second lever arm 211 via the second latch pin 210 , and a third latch pin 212 is installed inside a side of the second lever arm 211 away from the second latch pin 210 .

[0034] The second force arm 211 is movably connected to the second conversion joint 213 via the third latch pin 212 , and a side of the second conversion joint 213 away from the third latch pin 212 is fixedly connected to the main rotating rod 206 .

[0035] The drawing structure 3 includes a drawing column 301 , a contraction groove 302 , a transverse placement groove 303 , a clamping groove 304 , and a vertical placement groove 305 . The inner side of the drawing column 301 is provided with a contraction groove 302 , and the lower side of the contraction groove 302 is provided with a transverse placement groove 303 .

[0036] A clamping groove 304 is formed inside the transverse placement groove 303 , and a vertical placement groove 305 is formed on one side of the clamping groove 304 .

[0037] The upper side of the contraction groove 302 is connected to the lower side of the thread path 203 .

[0038] When in use, a rotating structure 2 is provided, and the required force is adjusted by adjusting the height of the first hydraulic column 204 and the second hydraulic column 205. When the object to be pulled is too large, the first hydraulic column 204 and the second hydraulic column 205 can be fully raised to form a method of rotating the main rotating rod 206 with a large distance and small force, and the upper and lower main fixed columns 202 and the threaded road 203 are driven by the main rotating rod 206. The threaded road 203 shrinks the distance between the threaded road 203 and the shrinkage groove 302, and the object to be pulled that is clamped in the clamping groove 304 is pulled up. A pulling structure 3 is also provided, which can allow the object to enter the pulling structure 3 through the vertical placement groove 305 first, and then be clamped in the clamping groove 304 after entering. A horizontal placement groove 303 is also provided in the pulling structure 3. When the object to be pulled is too large, a relatively large placement groove space is required for placing the clamped object, which has good practicality.

[0039] The preferred embodiments of the utility model disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details in detail, nor do they limit the utility model to the specific implementation methods described. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that technicians in the relevant technical field can well understand and use the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A pulling tool for equipment maintenance, comprising a main body (1), characterized in that: A rotating structure (2) is installed on the upper side of the main body (1), and a pulling structure (3) is installed on the lower side of the main body (1). The rotating structure (2) comprises an upper main fixing column (201), a lower main fixing column (202), a threaded path (203), a first hydraulic column (204), a second hydraulic column (205), a main rotating rod (206), a first conversion joint (207), a first latch (208), a first force arm (209), a second latch (210), a second force arm (211), and a second rotating rod (212). 11), a third latch (212), a second conversion joint (213), a lower main fixing column (202) is installed on the lower side of the upper main fixing column (201), a threaded path (203) is provided on the lower side of the lower main fixing column (202), a first hydraulic column (204) is installed on the side of the upper main fixing column (201) away from the lower main fixing column (202), a second hydraulic column (205) is installed on the side of the first hydraulic column (204) away from the upper main fixing column (201), A main rotating rod (206) is installed on the side of the second hydraulic column (205) away from the first hydraulic column (204), a first conversion joint (207) is installed on one side of the upper main fixed column (201), a first latch (208) is installed on the inner side of the first conversion joint (207), the first conversion joint is movably connected to the first force arm (209) through the first latch (208), and a second latch is installed inside the side of the first force arm (209) away from the first latch (208). The first force arm (209) is movably connected to the second force arm (211) through the second latch pin (210); a third latch pin (212) is installed inside the second force arm (211) at a side away from the second latch pin (210); the second force arm (211) is movably connected to the second conversion joint (213) through the third latch pin (212); and the second conversion joint (213) is fixedly connected to the main rotating rod (206) at a side away from the third latch pin (212).

2. A pulling tool for equipment maintenance according to claim 1, characterized in that: The drawing structure (3) comprises a drawing column (301), a contraction groove (302), a transverse placement groove (303), a clamping groove (304), and a vertical placement groove (305). The inner side of the drawing column (301) is provided with a contraction groove (302), and the lower side of the contraction groove (302) is provided with a transverse placement groove (303).

3. A pulling tool for equipment maintenance according to claim 2, characterized in that: A clamping groove (304) is provided inside the transverse placement groove (303), and a vertical placement groove (305) is provided on one side of the clamping groove (304).

4. A pulling tool for equipment maintenance according to claim 2, characterized in that: The upper side of the contraction groove (302) is connected to the lower side of the threaded path (203).

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