CN210099910U - Mechanical puller device - Google Patents
Mechanical puller device Download PDFInfo
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- CN210099910U CN210099910U CN201920878222.1U CN201920878222U CN210099910U CN 210099910 U CN210099910 U CN 210099910U CN 201920878222 U CN201920878222 U CN 201920878222U CN 210099910 U CN210099910 U CN 210099910U
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- 230000007246 mechanism Effects 0.000 claims abstract description 13
- 210000000078 claw Anatomy 0.000 claims description 30
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 238000000926 separation method Methods 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 230000001360 synchronised effect Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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Abstract
A mechanical puller device belongs to the technical field of puller devices and comprises a threaded ejector rod, wherein one end of the threaded ejector rod is provided with a driving part which enables the threaded ejector rod to advance in a rotating mode; the other end of screw thread ejector pin sets up automatic clamping mechanism, automatic clamping mechanism includes support, hook and sliding sleeve, support threaded connection is in on the screw thread ejector pin, the sliding sleeve slides and cup joints on the screw thread ejector pin, set up reset spring between support and the sliding sleeve, the support links to each other with the hook is articulated, link to each other through the connecting rod between hook and the sliding sleeve, the beneficial effects of the utility model are that, this machinery draws horse device overall structure is simple, makes the work piece press from both sides tightly stably, but the work piece dismantles the back self return, alone can accomplish the operation, and convenient operation is swift, has reduced use cost.
Description
Technical Field
The utility model relates to a draw horse ware technical field, especially relate to a machinery draws horse device.
Background
The puller is widely applied to the dismounting process of mechanical equipment, such as dismounting of a bearing, dismounting of a flange, dismounting of a gear and the like, has the function of separating two mutually matched workpieces through external force, and is a common device for dismounting mechanical workpieces. At present, the puller mainly used in actual production can be divided into two types: manual formula puller and fluid pressure type puller, but the two all has structural design's defect, when puller clamping promptly, each claw initial installation is very inconvenient, even when using one person earlier with the hand with the knuckle take on one of them work piece, another person uses the ejector pin pretension, collocation sleeve or spanner just can accomplish the dismantlement, often need two people to cooperate just can implement, greatly reduced the convenience and the efficiency of operation.
The Chinese invention patent CN 108262714A discloses an adjustable multi-jaw synchronous puller, which structurally comprises a pulling mechanism and an adjusting synchronous mechanism, wherein the pulling mechanism comprises a central rod, a main spiral sleeve, a jaw support and a jaw, the central rod is in threaded connection with the main spiral sleeve, the jaw support is embedded and fixed outside the main spiral sleeve, and the jaw is movably fixed on the jaw support; the adjusting and synchronizing mechanism comprises an adjusting spiral sleeve, a spiral pull disc and a cross pull rod, the adjusting spiral sleeve is arranged outside the main spiral sleeve and is axially fixed, the spiral pull disc and the adjusting spiral sleeve are in threaded connection to realize axial movement, and two ends of the cross pull rod are movably fixed on the spiral pull disc and the hook claw respectively. According to the invention, the synchronous regulation of the hook claw is realized by rotating the regulation spiral sleeve, the opening and closing of the hook claw are realized, the regulation efficiency is low, the regulation force is high, and the situation that the thread is worn and failed may occur when the spiral sleeve is screwed for a long time, so that the proper opening and closing angle of the hook claw cannot be regulated according to the size of a workpiece, and the service life of the hook claw is shortened.
How to overcome the shortcoming of current draw horse ware, design a convenient operation flexibility, labour saving and time saving, long service life draw horse ware be the place that the work piece of dismantling mutually supporting needs the improvement at present.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a machinery draws horse device has mainly solved the current problem that draws horse ware operation is inconvenient, operating efficiency is low, aim at through drawing the horse ware to the tradition and carrying out institutional advancement, makes the work piece press from both sides tightly stable swift, but the work piece dismantles self return after accomplishing, and convenient operation is swift, has reduced use cost.
In order to achieve the above object, the present invention provides a technical solution for solving the technical problem: the mechanical puller device comprises a threaded ejector rod, wherein one end of the threaded ejector rod is provided with a driving part which enables the threaded ejector rod to advance in a rotating mode; the other end of the threaded ejector rod is provided with an automatic clamping mechanism, the automatic clamping mechanism comprises a support, a claw and a sliding sleeve, the support is in threaded connection with the threaded ejector rod, the sliding sleeve is in sliding sleeve connection with the threaded ejector rod, a reset spring is arranged between the support and the sliding sleeve, the support is hinged with the claw, and the claw is connected with the sliding sleeve through a connecting rod.
Further, drive unit includes shell I and screw thread subassembly, shell I cup joints on the screw thread ejector pin, and the joint in the sliding sleeve with between the screw thread subassembly.
Further, the screw thread subassembly include with screw ejector pin threaded connection's nut, the nut has cup jointed the nut outward, the nut joint is in on the shell I.
Further, a handle is arranged in the screw cap.
Further, the support comprises a guide hole in threaded connection with the threaded mandril and a support leg in hinged connection with the claw.
Further, the support legs are provided with two or more.
Furthermore, a shell II is fixed on the support, and an annular groove for limiting the sliding of the sliding sleeve is formed between the shell II and the shell I.
Further, the sliding sleeve comprises a sleeving part, a hinged plate and a pushing block, the sleeving part is sleeved outside the threaded ejector rod, one end of the sleeving part is provided with the hinged plate, the hinged plate is connected with the hook claw through a connecting rod, the other end of the sleeving part is provided with the pushing block, and the pushing block is connected with the annular groove in a clamping mode.
The utility model has the advantages that:
1. the sliding sleeve is pushed to slide along the axial direction of the threaded ejector rod, so that the claw connected with the sliding sleeve is opened by a corresponding angle, the return spring is compressed, when the claw clamps the workpiece and releases the hand, the sliding sleeve returns under the action of the return spring until the workpiece is clamped, and the automatic clamping of the workpiece is completed; then the driving part is rotated to lead the thread mandril to advance spirally to jack up another workpiece, and the separation of the two matched workpieces is realized by forming a reverse drawing force by the hook claw. The puller device is simple in overall structure, the workpiece is clamped stably and quickly, the workpiece can return automatically after being disassembled, the operation can be completed by one person, the puller device is convenient and quick to operate, and the use cost is reduced.
2. Specifically, the driver part wherein includes shell I and screw assembly, screw assembly includes the nut, nut and handle, nut threaded connection is on the screw ejector pin, nut overcoat connects the nut, the nut joint is in the one end of shell I, the other end and the sliding sleeve joint of shell I, through twist grip, make the screw ejector pin advance or retreat for the nut spiral, the completion is tight and loosen the top of work piece, need not in addition to use the instrument operation, make the operation more nimble, and use cost has been saved moreover. To sum up, this mechanical horse device overall structure is simple, makes the work piece press from both sides tightly stable, but the self return after the work piece dismantlement is accomplished, and one person can accomplish the operation, and convenient operation is swift, has reduced use cost.
Drawings
The contents of the various figures of the specification and the labels in the figures are briefly described as follows:
fig. 1 is a schematic structural view of the present invention;
the labels in the above figures are: 1. the screw ejector rod 2, the driving part 21, the shells I and 22, the screw assembly 221, the nut 222, the nut 223, the handle 3, the automatic clamping mechanism 31, the support seat 311, the guide hole 312, the support leg 312, the hook claw 32, the sliding sleeve 33, the sleeve joint 331, the hinge plate 332, the pushing block 333, the return spring 34, the connecting rod 35, the shells II and 5, and the annular groove 5.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments, and the following embodiments are used for illustrating the present invention, but do not limit the scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The utility model discloses specific embodiment does: as shown in fig. 1, a mechanical puller device comprises a threaded mandril 1, wherein one end of the threaded mandril 1 is provided with a driving part 2 which enables the threaded mandril 1 to rotate and advance; the other end of the threaded ejector rod 1 is provided with an automatic clamping mechanism 3, the automatic clamping mechanism 3 comprises a support 31, a claw 32 and a sliding sleeve 33, the support 31 is in threaded connection with the threaded ejector rod 1, the sliding sleeve 33 is in sliding sleeve connection with the threaded ejector rod 1, a return spring 34 is arranged between the support 31 and the sliding sleeve 33, the support 31 is hinged with the claw 32, and the claw 32 and the sliding sleeve 33 are connected through a connecting rod 35. The sliding sleeve 33 is pushed to slide along the axial direction of the threaded mandril 1, so that the hook claw 32 connected with the sliding sleeve 33 is opened by a corresponding angle, the return spring 34 is compressed at the moment, when the hook claw 32 clamps the workpiece, the hand is loosened, the sliding sleeve 33 returns under the action of the return spring 34 until the workpiece is clamped, and the automatic clamping of the workpiece is completed; then the driving part 2 is rotated to lead the thread mandril 1 to advance spirally and jack up another workpiece, and the separation of the two matched workpieces is realized by forming a reaction drawing force by the hook claw 32. The puller device is simple in overall structure, the workpiece is clamped stably and quickly, the workpiece can return automatically after being disassembled, the operation can be completed by one person, the puller device is convenient and quick to operate, and the use cost is reduced.
Specifically, the driving part 2 comprises a shell I21 and a thread component 22, the shell I21 is sleeved on the thread ejector rod 1 and clamped between the sliding sleeve 33 and the thread component 22, the effect of preventing the thread component 22 from rotating and moving is achieved, the thread component 22 is fixed, the thread ejector rod 1 advances spirally relative to the thread component 22, and the workpiece jacking operation is achieved; the screw thread assembly 22 comprises a nut 221 in threaded connection with the screw thread mandril 1, a nut 222 is sleeved outside the nut 221, the nut 222 is clamped on the shell I21, specifically, a flange is arranged at the outer end of the shell I21, a positioning bulge clamped with the flange is arranged at one end of the nut 222, the movement of the nut 221 is limited, and the screw thread mandril 1 advances spirally relative to the nut 221; in order to make the operation more flexible and convenient, a handle 223 is arranged in the nut 222, the handle 223 can be fixed in the nut 222 in a threaded connection or insertion mode, in order to make the rotating operation more labor-saving, the end part of the handle 223 is bent, and the rotating operation is more labor-saving after being held by a hand.
Specifically, the support 31 comprises a guide hole 311 in threaded connection with the threaded mandril 1 and a support leg 312 in hinged connection with the hook claw 32, when a workpiece is clamped, the position of the support 31 is fixed, only the angle between the hook claw 32 and the support leg 312 is changed, and the opening and closing of the hook claw 32 are realized, two or more than two support legs 312 are arranged, in order to enable the structure for clamping the workpiece to be more stable, the number of the support legs 312 is three, the included angle between the three support legs 312 is 120 degrees, the number of the hook claws 32 is also three, and the clamping is more stable. In addition, a shell II 4 is fixed on the support 31, a strip-shaped groove (not shown in the figure) enabling the connecting rod 35 to move freely is arranged on the shell II 4, an annular groove 5 enabling the sliding sleeve 33 to slide and limit is formed between the shell II 4 and the shell I21, the sliding sleeve 33 is abutted to one side of the annular groove 5 in an initial state, the sliding sleeve 33 can slide along the axial direction of the threaded ejector rod 1, and the width of the annular groove 5 is the sliding stroke of the sliding sleeve 33.
The working principle of the puller device is as follows: when the clamping needs to be opened, the pushing block 333 is pushed to move along the axial direction of the threaded ejector rod 1, the pushing block 333 slides to enable the hinge plate 332 integrated with the pushing block to move, the hinge plate 332 drives the connecting rod 35 to rotate clockwise, the hook claw 32 is opened, and at the moment, the return spring 34 is in a compressed state, namely, the clamping opening is realized. When a workpiece needs to be clamped, the opened claw 32 is close to the outer edge of the workpiece and clamped into the workpiece, after the hand is released, the compressed reset spring 34 resets to push the sliding sleeve 33 to reset, the sliding sleeve 33 drives the connecting rod to rotate anticlockwise, the opening and closing angle of the claw 32 is reduced, the workpiece is clamped, and automatic clamping of the workpiece is achieved. When the workpiece needs to be pulled after being clamped, the handle 223 is manually rotated to rotate the nut 221, the threaded mandril 1 is rotated to advance to jack the center of the other workpiece because the position of the nut 221 is fixed, the handle 223 is continuously rotated, and the hook claw 32 forms a reaction pulling force to realize the separation of the two matched workpieces.
To sum up, this mechanical horse device overall structure is simple, makes the work piece press from both sides tightly stable, but the self return after the work piece dismantlement is accomplished, and one person can accomplish the operation, and convenient operation is swift, has reduced use cost.
The foregoing is merely illustrative of some of the principles of the present invention and the description is not intended to limit the invention to the specific constructions and applications shown, so that all modifications and equivalents that may be utilized are within the scope of the invention.
Claims (8)
1. The mechanical puller device is characterized by comprising a threaded ejector rod (1), wherein one end of the threaded ejector rod (1) is provided with a driving part (2) which enables the threaded ejector rod to advance in a rotating manner; the other end of screw thread ejector pin (1) sets up self-holding mechanism (3), self-holding mechanism (3) are including support (31), hook (32) and sliding sleeve (33), support (31) threaded connection be in on screw thread ejector pin (1), sliding sleeve (33) slip cup joint on screw thread ejector pin (1), set up reset spring (34) between support (31) and sliding sleeve (33), support (31) link to each other with hook (32) are articulated, link to each other through connecting rod (35) between hook (32) and the sliding sleeve (33).
2. The mechanical puller device according to claim 1, wherein: the drive part (2) comprises a shell I (21) and a threaded component (22), wherein the shell I (21) is sleeved on the threaded ejector rod (1) and is connected with the sliding sleeve (33) and the threaded component (22) in a clamping mode.
3. The mechanical puller device according to claim 2, wherein: screw assembly (22) include with screw ejector pin (1) threaded connection's nut (221), nut (221) overcoat has cup jointed nut (222), nut (222) joint is in on shell I (21).
4. The mechanical puller device according to claim 3, wherein: a handle (223) is arranged in the screw cap (222).
5. The mechanical puller device according to any one of claims 2 to 4, wherein: the support (31) comprises a guide hole (311) in threaded connection with the threaded mandril (1) and a support leg (312) in hinged connection with the hook claw (32).
6. The mechanical puller device according to claim 5, wherein: the supporting legs (312) are provided with two or more than two.
7. The mechanical puller device according to claim 5, wherein: and a shell II (4) is fixed on the support (31), and an annular groove (5) for limiting the sliding of the sliding sleeve (33) is formed between the shell II (4) and the shell I (21).
8. The mechanical puller device according to claim 7, wherein: sliding sleeve (33) are including cup jointing portion (331), articulated plate (332) and promote piece (333), cup jointing portion (331) cup joints screw ejector pin (1) outside, the one end setting of cup jointing portion (331) articulated plate (332), articulated plate (332) with hook (32) link to each other through connecting rod (35), the other end setting of cup jointing portion (331) promotes piece (333), promote piece (333) with ring channel (5) joint links to each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920878222.1U CN210099910U (en) | 2019-06-12 | 2019-06-12 | Mechanical puller device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920878222.1U CN210099910U (en) | 2019-06-12 | 2019-06-12 | Mechanical puller device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210099910U true CN210099910U (en) | 2020-02-21 |
Family
ID=69564466
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920878222.1U Active CN210099910U (en) | 2019-06-12 | 2019-06-12 | Mechanical puller device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210099910U (en) |
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2019
- 2019-06-12 CN CN201920878222.1U patent/CN210099910U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20211123 Address after: 241000 rooms A206 and 207, complex building, 38 Yinhu North Road, Wuhu District, China (Anhui) pilot Free Trade Zone, Wuhu City, Anhui Province Patentee after: WUHU WANJIANG INTELLECTUAL PROPERTY OPERATION CENTER Co.,Ltd. Address before: 241000 Anhui Wuhu economic and Technological Development Zone, Changchun Road, No. 8 generator transformer joint factory Patentee before: ANHUI RUISAIKE RENEWABLE RESOURCE TECHNOLOGY Co.,Ltd. |
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| TR01 | Transfer of patent right |
Effective date of registration: 20240710 Address after: No. 8 Changchun Road, Wuhu Area, China (Anhui) Pilot Free Trade Zone, Wuhu City, Anhui Province, 241000 Patentee after: Wuhu Chery Resource Technology Co.,Ltd. Country or region after: China Address before: 241000 rooms A206 and 207, complex building, 38 Yinhu North Road, Wuhu District, China (Anhui) pilot Free Trade Zone, Wuhu City, Anhui Province Patentee before: WUHU WANJIANG INTELLECTUAL PROPERTY OPERATION CENTER Co.,Ltd. Country or region before: China |