CN111660258B

CN111660258B - Device is got to bush clamp

Info

Publication number: CN111660258B
Application number: CN202010564202.4A
Authority: CN
Inventors: 赵德运
Original assignee: Hu Caiyun
Current assignee: Shandong Chenxin New Energy Co ltd
Priority date: 2020-06-19
Filing date: 2020-06-19
Publication date: 2021-04-13
Anticipated expiration: 2040-06-19
Also published as: CN111660258A; CN112975842A

Abstract

The invention discloses a bushing clamping device which comprises a clamping mechanism, wherein a second connecting frame is arranged in the middle of the clamping mechanism, a slot is formed in the middle of the upper end face of the second connecting frame in a penetrating mode, a planar bearing is fixedly arranged in the middle of the upper end face of the second connecting frame, a clamping device is movably arranged in the second connecting frame, an installation limiting column is arranged in the middle of the clamping device, a bearing is fixedly arranged in the middle of the upper end face of the installation limiting column, installation grooves are formed in the installation limiting column in a crossed mode, limiting jacks are formed in the installation limiting column, four limiting jacks are arranged, a fixed column is fixedly arranged in the middle of the installation limiting column, adjusting springs are uniformly and fixedly arranged on the side end faces of the fixed columns, and a hook device is rotatably arranged in the installation grooves. The lining sleeve can be quickly and conveniently taken down when the lining sleeve is used, so that the time for taking, placing and replacing the lining sleeve is saved.

Description

Device is got to bush clamp

Technical Field

The invention relates to the technical field of bushing clamping, in particular to a bushing clamping device.

Background

The lining is a matching part used outside mechanical parts to achieve the functions of sealing, wear protection and the like, and is a ring sleeve playing the role of a gasket. In the moving part, because the abrasion of parts is caused by long-term friction, the parts are required to be replaced when the clearance between the shaft and the hole is abraded to a certain degree, so a designer selects a material with lower hardness and better wear resistance as a shaft sleeve or a bushing when designing, the abrasion of the shaft and the seat can be reduced, and the cost caused by replacing the shaft or the seat can be saved when the shaft sleeve or the bushing is abraded to a certain degree for replacement.

However, in the process of replacing the bush and in the process of repairing parts and requiring to take the bush down, the bush is placed between the devices due to long-time clamping, and more lubricating oil exists on the surface of the bush, so that the bush is not easy to take down in the process of taking the bush, and more time is spent in the process of taking the bush, so that the problem is solved by urgently needing a device, and the bush can be quickly and conveniently taken down from the mechanical parts and replaced.

Disclosure of Invention

The present invention is directed to a bushing clamping device to solve the above problems.

In order to achieve the purpose, the invention provides the following technical scheme: a bushing clamping device comprises a clamping mechanism, wherein a second connecting frame is installed in the middle of the clamping mechanism, a slot is formed in the middle of the upper end face of the second connecting frame in a penetrating mode, a planar bearing is fixedly installed in the middle of the upper end face of the second connecting frame, a movable clamping device is installed inside the second connecting frame, an installation limiting column is installed in the middle of the clamping device, a bearing is fixedly installed in the middle of the upper end face of the installation limiting column, installation grooves are formed in the installation limiting column in a crossed mode, limiting jacks are formed in the installation limiting column, four limiting jacks are arranged, a fixed column is fixedly installed in the middle of the installation limiting column, adjusting springs are uniformly and fixedly installed on the end faces of each side of the fixed column, hook devices are rotatably installed inside the installation grooves, and limiting shafts are rotatably inserted inside the limiting jacks, install the hooking rod among the hooking device, the upper end of hooking rod runs through and has seted up the rotation jack, the bottom fixedly connected with couple of hooking rod, the hooking rod deviates from the terminal surface bottom fixedly connected with pull ring of couple, the upper end fixedly connected with shrink adjusting device of second connecting frame, first connecting frame is installed to shrink adjusting device's bottom, the marginal screw thread of first connecting frame is rotated and is run through and peg graft and have fastening connection bolt, just fastening connection bolt is circular distribution, the inside rotation joint of first connecting frame has the rotation snap ring, the inside screw thread that rotates the snap ring rotates and runs through and peg graft and have the screw thread adjusting lever, the outer wall of rotation snap ring has the wrong hand wheel of revolving through the connecting rod body fixed mounting, the bottom fixedly connected with of screw thread adjusting lever connects the push-and-pull rod.

Preferably, the number of the hook hanging rods is four, the limiting shafts penetrate through the rotating jacks in a movable insertion mode, the front end of the bottom of the hook is arranged in a smooth arc shape, the upper end face of the hook is designed in a horizontal shape, and a rubber protection gasket is fixedly embedded in the upper end face of the hook.

Preferably, the heights of the pull rings arranged on the four hook hanging rods are different.

Preferably, one end of the adjusting spring, which is far away from the fixed column, is fixedly connected with the upper part of the side end face of the hook rod, which is provided with the pull ring.

Preferably, the outer wall of the bottom of the connecting push-pull rod is fixedly connected with the inner wall of the inner ring of the bearing, and the bottom of the rotating outer ring of the bearing is fixedly connected with the upper end face of the mounting limiting column.

Preferably, the bottom of the hook hanging rod is arranged in an outward bending mode.

Preferably, the setting heights of the limiting jacks are different, and the heights of the two limiting jacks distributed in parallel are the same.

Preferably, the bottom end face of the rotary clamping ring is in rotary contact with the upper end face of the plane bearing.

Compared with the prior art, the invention has the following beneficial effects:

firstly, when the bushing is taken out from the inside of a mechanical part, the bottom of a second connecting frame is placed on the outer end face of the mechanical part, the center of a clamping device is aligned to the middle of the bushing, a screwing hand wheel is rotated, the screwing hand wheel is rotationally clamped in the first connecting frame through rotating a clamping ring, so that the clamping ring is rotated and the screwing hand wheel is rotated but cannot move up and down in the process of rotating the screwing hand wheel, a thread adjusting rod which is installed in the middle of the rotating clamping ring in a threaded rotation mode can move up and down, the thread adjusting rod is controlled to move down through rotating the screwing hand wheel, the thread adjusting rod can drive a connecting push-pull rod connected with the bottom end to move down, and the bottom end of the connecting push-pull rod is fixedly installed in an inner ring of a bearing, so that the connecting push-pull rod can push a mounting limit column and a hooking rod which is uniformly and rotationally installed at the bottom of the limit column to move, the front end of the bottom of the hook rod fixedly connected with the bottom end of the hook is arranged in a smooth arc shape, and the upper end of the hook is designed in a horizontal shape, so that the front end of the bottom of the hook is contacted with the inner ring of the lining and is extruded when the hook rod and the hook continuously move downwards, the generated extrusion force enables the adjusting spring to contract, four rotatably installed hook rods and the four hooks are enabled to rotate, the front ends of the four rotatably installed hook rods and the four hooks are buckled inwards, the four hook rods and the four hooks can be inserted into the bottom of the lining, the extrusion force applied when the hook rods and the hooks are inserted into the inner bottom end of the lining disappears, the hook rods and the hooks recover under the action of the elastic force of the adjusting spring, the upper end face of the hook in the horizontal design supports and supports the bottom edge of the lining, the hand wheel is screwed reversely at the moment, and the thread adjusting rod, thereby support the bush of holding up on hooking rod and couple together and rise to quick realization takes out the bush by mechanical parts in, inserts to the inside of pull ring through the finger when the bush takes out between the mechanical parts of installation and makes the pull ring buckle the shrink inwards, thereby compression adjusting spring makes hooking rod and couple inwards buckle, and the support range of four couples is dwindled this moment, thereby can be with the bush by light taking off on the couple.

Two, the fixed embedding of the up end inside of couple has the rubber protection gasket, consequently can not with the rigid contact in bottom of bush when the couple holds up the bottom support of bush to rise to take off, thereby the effectual bush that has protected, make the bush that does not take place to damage can be intact use after taking off, the great reduction of plane bearing rotates the frictional force between snap ring and the second link frame up end, it is laborsaving to make the in-process of revolving to revolve wrong hand wheel rotate, can get the whole mechanism's of clamp monolithic separation with shrink adjusting device through revolving to revolve wrong fastening connection bolt, thereby the convenient maintenance is changed inside spare part when the device takes place to damage, the pull ring height diverse of installation on four hook rods, can not bump between the pull ring when having ensured hook rod and couple internal contraction, thereby make the pull ring can not influence the rotation shrink of hook rod and couple.

Drawings

FIG. 1 is a schematic view of the main structure of the present invention;

FIG. 2 is a schematic view of the contraction adjusting device according to the present invention;

FIG. 3 is a schematic structural view of the contraction adjusting device of the present invention with the first connection frame removed;

FIG. 4 is a schematic view of the gripping mechanism of the present invention;

FIG. 5 is a schematic view of the gripping device of the present invention;

FIG. 6 is a schematic bottom view of the gripping device of the present invention;

FIG. 7 is a schematic view of the mounting limit post structure of the present invention;

fig. 8 is a schematic structural view of a hooking device of the present invention.

In the figure: 1-contraction adjusting device, 2-clamping mechanism, 3-bushing, 4-rotating snap ring, 5-fastening connecting bolt, 6-connecting push-pull rod, 7-first connecting frame, 8-screwing hand wheel, 9-thread adjusting rod, 10-slot, 11-plane bearing, 12-connecting threaded hole, 13-second connecting frame, 14-clamping device, 15-limiting shaft, 16-bearing, 17-mounting limiting column, 18-hooking device, 19-limiting jack, 20-mounting groove, 21-fixing column, 22-adjusting spring, 23-rotating jack, 24-hooking rod, 25-pull ring and 26-hook.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-8, an embodiment of the present invention: a bushing clamping device comprises a clamping mechanism 2, a second connecting frame 13 is mounted in the middle of the clamping mechanism 2, a slot 10 is formed in the middle of the upper end face of the second connecting frame 13 in a penetrating mode, a plane bearing 11 is fixedly mounted in the middle of the upper end face of the second connecting frame 13, a clamping device 14 is movably mounted in the second connecting frame 13, an installation limiting column 17 is mounted in the middle of the clamping device 14, a bearing 16 is fixedly mounted in the middle of the upper end face of the installation limiting column 17, installation grooves 20 are formed in the installation limiting column 17 in a cross mode, limiting jacks 19 are formed in the installation limiting column 17, four limiting jacks 19 are arranged, a fixed column 21 is fixedly mounted in the middle of the installation limiting column 17, adjusting springs 22 are uniformly and fixedly mounted on the end faces of each side of the fixed column 21, a hook device 18 is rotatably mounted in the installation grooves 20, and a limiting shaft 15 is rotatably inserted in the, a hook rod 24 is arranged in the hook device 18, a rotary jack 23 is arranged at the upper end of the hook rod 24 in a penetrating way, a hook 26 is fixedly connected at the bottom end of the hook rod 24, a pull ring 25 is fixedly connected at the bottom of the end surface of the hook rod 24, which is far away from the hook 26, a contraction adjusting device 1 is fixedly connected at the upper end of the second connecting frame 13, a first connecting frame 7 is arranged at the bottom of the contraction adjusting device 1, a fastening connecting bolt 5 is arranged on the edge thread of the first connecting frame 7 in a rotating way in a penetrating way, the fastening connecting bolt 5 is distributed in a circular way, a rotary snap ring 4 is clamped inside the first connecting frame 7 in a rotating way, a thread adjusting rod 9 is arranged on the inner thread of the rotary snap ring 4 in a rotating way in a penetrating way, a screwing hand wheel 8 is fixedly arranged on the outer wall of the rotary snap ring 4 through a connecting rod body, the bottom of the second connecting frame 13 is placed on the outer end face of the mechanical part, the center of the clamping device 14 is aligned to the middle of the bushing 3, the screwing hand wheel 8 is rotated, the screwing hand wheel 8 is rotationally clamped inside the first connecting frame 7 by rotating the clamping ring 4, so that the clamping ring 4 and the screwing hand wheel 8 are rotated but do not move up and down in the process of rotating the screwing hand wheel 8, the threaded adjusting rod 9 which is installed in the middle of the rotating clamping ring 4 in a threaded rotation mode can move up and down, the threaded adjusting rod 9 is controlled to move down by rotating the screwing hand wheel 8, the threaded adjusting rod 9 can drive the connecting push-pull rod 6 connected with the bottom end to move down, and the bottom end of the connecting push-pull rod 6 is fixedly installed inside the inner ring of the bearing 16, so that the connecting push-pull rod 6 can push the mounting limiting column 17 and the hooking rod 24 uniformly installed in the bottom of the limiting column 17 to move down under the action of, the front end of the bottom of a hook 26 fixedly connected with the bottom end of a hook rod 24 is arranged in a smooth arc shape, the upper end surface of the hook 26 is designed in a horizontal shape, therefore, when the hook rod 24 and the hook 26 continuously move downwards, the front end of the bottom of the hook 26 is contacted with and extruded by the inner ring of the bushing 3, the produced extrusion force enables the adjusting spring 22 to contract, so that the four rotatably installed hook rods 24 and hooks 26 rotate and the front ends are buckled inwards, the four hook rods 24 and hooks 26 can be inserted into the bottom of the bushing 3, the extrusion force applied when the hook rods 24 and hooks 26 are inserted into the inner bottom end of the bushing 3 disappears, the hook rods 24 and hooks 26 are restored under the action of the elasticity of the adjusting spring 22, at the moment, the upper end surface of the hook 26 in the horizontal design stably supports and supports the bottom edge of the bushing 3, and the hand wheel 8 is reversely screwed, make threaded adjusting rod 9 and connect push-and-pull rod 6 and installation spacing post 17 rebound to support the bush 3 that holds up on hooking rod 24 and couple 26 and rise together, thereby quick realization takes out bush 3 by mechanical parts, insert to the inside of pull ring 25 through the finger and make pull ring 25 buckle inwards shrink when bush 3 takes out between the mechanical parts of installation, thereby compression adjusting spring 22 makes hooking rod 24 and couple 26 buckle inwards, the support range of four couples 26 at this moment reduces, thereby can be with bush 3 by the light take off on couple 26.

Four hook rods 24 are arranged, the limiting shafts 15 penetrate through the rotating insertion holes 23 in a movable insertion mode, the front ends of the bottoms of the hooks 26 are arranged in a smooth arc mode, the upper end surfaces of the hooks 26 are designed in a horizontal mode, rubber protection gaskets are fixedly embedded in the upper end surfaces of the hooks 26, pull rings 25 mounted on the four hook rods 24 are different in height, one ends, far away from fixing columns 21, of adjusting springs 22 are fixedly connected with the upper portions of the side end surfaces, provided with the pull rings 25, of the hook rods 24, the outer wall of the bottom of a connecting push-pull rod 6 is fixedly connected with the inner wall of an inner ring of a bearing 16, the bottom of a rotating outer ring of the bearing 16 is fixedly connected with the upper end surface of a mounting limiting column 17, the bottom of the hook rods 24 is arranged in an outward bending mode, the limiting insertion holes 19 are different in arrangement height, the two limiting insertion holes 19 which are distributed in parallel are identical in, the inner part of the upper end surface of the hook 26 is fixedly embedded with a rubber protective gasket, so that the hook 26 can not be in rigid contact with the bottom of the bush 3 when lifting and taking off the bottom support of the bush 3, thereby effectively protecting the bush 3, leading the bush 3 which is not damaged to be used in good condition after being taken down, greatly reducing the friction force between the rotary snap ring 4 and the upper end surface of the second connecting frame 13 by the plane bearing 11, leading the process of rotating the screwing hand wheel 8 to save labor, the contraction adjusting device 1 can be integrally separated from the gripping mechanism 2 by screwing the fastening connecting bolt 5, thereby convenient maintenance when the device takes place to damage changes inside spare part, and the pull ring 25 height diverse of installation on four hook rod 24 has guaranteed can not bump between the pull ring 25 when hook rod 24 and couple 26 inwards shrink to make pull ring 25 can not influence the rotation shrink of hook rod 24 and couple 26.

The working principle is as follows: when the bushing 3 is taken out from the inside of the mechanical part, the bottom of the second connecting frame 13 is placed on the outer end surface of the mechanical part, the center of the clamping device 14 is aligned to the middle of the bushing 3, the screwing hand wheel 8 is rotated by rotating the clamping ring 4, the screwing hand wheel 8 is rotationally clamped in the first connecting frame 7 by rotating the clamping ring 4, the clamping ring 4 and the screwing hand wheel 8 are rotated but do not move up and down in the process of rotating the screwing hand wheel 8, therefore, the threaded adjusting rod 9 installed in the middle of the rotating clamping ring 4 in a threaded rotation mode can perform up-and-down lifting movement, the threaded adjusting rod 9 is controlled to move downwards by rotating the screwing hand wheel 8, the threaded adjusting rod 9 can drive the connecting push-pull rod 6 with the connected bottom end to move downwards, and the bottom end of the connecting push-pull rod 6 is fixedly installed inside the inner ring of the bearing 16, so that the connecting push-pull rod 6 can push the installation limiting column 17 and the The hook rod 24 which is uniformly and rotatably installed moves downwards, the front end of the bottom of a hook 26 fixedly connected with the bottom end of the hook rod 24 is arranged in a smooth arc shape, and the upper end surface of the hook 26 is designed in a horizontal shape, so that the front end of the bottom of the hook 26 is contacted with and extruded by the inner ring of the bushing 3 when the hook rod 24 and the hook 26 continuously move downwards, the generated extrusion force enables the adjusting spring 22 to contract, the four hook rods 24 and the four hooks 26 which are rotatably installed rotate and the front ends of the four hook rods 24 and the four hooks 26 are buckled inwards, the four hook rods 24 and the four hooks 26 can be inserted into the bottom of the bushing 3, the extrusion force applied when the hook rods 24 and the hooks 26 are inserted into the inner bottom end of the bushing 3 disappears, the hook rods 24 and the hooks 26 recover under the action of the elasticity of the adjusting spring 22, at the moment, the upper end surface of the hook 26 which is, at the moment, the hand wheel 8 is screwed reversely, so that the threaded adjusting rod 9, the connecting push-pull rod 6 and the mounting limiting column 17 move upwards, the hooking rod 24, the hook 26 and the bush 3 supported and supported by the hook 26 are lifted together, the bush 3 is taken out of mechanical parts quickly, when the bush 3 is taken out of the mounted mechanical parts, the pull ring 25 is buckled inwards and contracted by inserting fingers into the pull ring 25, the hooking rod 24 and the hook 26 are buckled inwards by compressing the adjusting spring 22, the supporting range of the four hooks 26 is reduced, the bush 3 can be taken off from the hook 26 easily, a rubber protective gasket is fixedly embedded in the upper end surface of the hook 26, and therefore, when the hook 26 lifts and lifts the bottom support of the bush 3, the bottom support of the bush 3 cannot be in rigid contact with the bottom of the bush 3, and the bush 3 is effectively protected, the bush 3 which is not damaged can be used perfectly after being taken down, the friction force between the rotary snap ring 4 and the upper end face of the second connecting frame 13 is greatly reduced by the plane bearing 11, the labor is saved in the process of rotating the screwing hand wheel 8, the whole contraction adjusting device 1 can be integrally separated from the clamping mechanism 2 by screwing the fastening connecting bolt 5, so that internal parts can be maintained and replaced conveniently when the device is damaged, the heights of the pull rings 25 arranged on the four hook rods 24 are different, collision between the pull rings 25 is ensured to be avoided when the hook rods 24 and the hooks 26 contract inwards, and the pull rings 25 cannot influence the rotary contraction of the hook rods 24 and the hooks 26.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a device is got to bush clamp, gets mechanism (2) including pressing from both sides, the mid-mounting of getting mechanism (2) has second connecting frame (13), slot (10), its characterized in that have been seted up in the middle part of the up end of second connecting frame (13): the middle part of the upper end face of the second connecting frame (13) is fixedly provided with a plane bearing (11), the inside of the second connecting frame (13) is provided with a movable clamping device (14), the middle part of the clamping device (14) is provided with an installation limiting column (17), the middle part of the upper end face of the installation limiting column (17) is fixedly provided with a bearing (16), the installation limiting column (17) is provided with installation grooves (20) in a cross shape, the installation limiting column (17) is provided with limiting jacks (19), the number of the limiting jacks (19) is four, the middle part of the installation limiting column (17) is fixedly provided with a fixing column (21), each side end face of the fixing column (21) is uniformly and fixedly provided with an adjusting spring (22), the inside of the installation grooves (20) is rotatably provided with a hook device (18), and the inside of the limiting jacks (19) is rotatably inserted with a limiting shaft (15), a hook rod (24) is installed in the hook device (18), a rotary insertion hole (23) is formed in the upper end of the hook rod (24) in a penetrating mode, a hook (26) is fixedly connected to the bottom end of the hook rod (24), a pull ring (25) is fixedly connected to the bottom of the end face, deviating from the hook (26), of the hook rod (24), a contraction adjusting device (1) is fixedly connected to the upper end of the second connecting frame (13), a first connecting frame (7) is installed at the bottom of the contraction adjusting device (1), a fastening connecting bolt (5) is inserted and connected in a rotating mode through edge threads of the first connecting frame (7), the fastening connecting bolt (5) is distributed in a circular mode, a rotary snap ring (4) is clamped in the inner rotary mode of the first connecting frame (7), a thread adjusting rod (9) is inserted and connected in a rotating mode through inner threads of the rotary snap ring (4), the outer wall of the rotary clamping ring (4) is fixedly provided with a screwing hand wheel (8) through a connecting rod body, and the bottom end of the thread adjusting rod (9) is fixedly connected with a connecting push-pull rod (6).

2. A bush gripping apparatus according to claim 1, wherein: hook rod (24) are equipped with four, just spacing axle (15) run through the activity and peg graft in the inside of rotating jack (23), the bottom front end of couple (26) is the rounding off arcuation and sets up, the upper end of couple (26) is the level form design, just the inside fixed mosaic of upper end face of couple (26) has the rubber protection gasket.

3. A bush gripping apparatus according to claim 1, wherein: the heights of pull rings (25) arranged on the four hook hanging rods (24) are different.

4. A bush gripping apparatus according to claim 1, wherein: one end of the adjusting spring (22) far away from the fixed column (21) is fixedly connected with the upper part of the side end surface of the hook rod (24) provided with the pull ring (25).

5. A bush gripping apparatus according to claim 1, wherein: the outer wall of the bottom of the connecting push-pull rod (6) is fixedly connected with the inner wall of the inner ring of the bearing (16), and the bottom of the rotating outer ring of the bearing (16) is fixedly connected with the upper end face of the mounting limiting column (17).

6. A bush gripping apparatus according to claim 1, wherein: the bottom of the hook hanging rod (24) is arranged in an outward bending mode.

7. A bush gripping apparatus according to claim 1, wherein: the height of the limiting insertion holes (19) is different, and the height of the two limiting insertion holes (19) which are distributed in parallel is the same.

8. A bush gripping apparatus according to claim 1, wherein: the bottom end face of the rotary clamping ring (4) is in rotary contact with the upper end face of the plane bearing (11).