CN214393121U

CN214393121U - Auxiliary mechanism for disassembling oil cylinder end cover

Info

Publication number: CN214393121U
Application number: CN202120575631.1U
Authority: CN
Inventors: 彭学江; 彭朝东; 张开祥; 周翔
Original assignee: Chongqing Jianglu Laser Technology Co ltd
Current assignee: Chongqing Jianglu Laser Technology Co ltd
Priority date: 2021-03-19
Filing date: 2021-03-19
Publication date: 2021-10-15
Anticipated expiration: 2031-03-19

Abstract

The utility model relates to the field of machining, specifically disclose an auxiliary mechanism for hydro-cylinder end cover is dismantled, including the mobile unit that frame, frock unit and control frock unit reciprocated, the frock unit includes the end cover clamping part and drives clamping part forward rotation or reverse rotation's power portion, and power portion fixed mounting still includes the auxiliary unit in the frame, and the auxiliary unit includes the shifting wheel and stirs the portion of stirring of shifting the wheel, and the clamping part includes the rotary drum of fixed end cover, and the coaxial fixed mounting of shifting wheel is outside the rotary drum. In this scheme can't drive the end cover when the rotary drum and rotate, the portion of stirring stirs the thumb wheel that is located on the rotary drum outer wall, under the promotion of portion of stirring, has applyed external force for the rotation of rotary drum for static friction is overcome with the cylinder body junction to the end cover, can be dismantled smoothly.

Description

Auxiliary mechanism for disassembling oil cylinder end cover

Technical Field

The utility model belongs to the machining field, concretely relates to an auxiliary mechanism for hydro-cylinder end cover is dismantled.

Background

The oil cylinder applied to the large-scale equipment has the characteristics of heavy mass and large length, when parts of the large-scale oil cylinder are damaged and need to be maintained and replaced, the end cover on the cylinder body is generally required to be disassembled, and the cylinder body or the cylinder cover can be maintained or replaced.

When the cylinder body and the end cover are disassembled and assembled, a processing tool for screwing the end cover on the cylinder body is generally adopted for reverse screwing off, so that the end cover is separated from the cylinder body; but when whole hydro-cylinder is using for a long time the back, the end cover can appear being connected the tension or have the corrosion condition with the cylinder body junction, when adopting original processing frock to screw down, and the processing frock adopts equal reverse torsion soon, and the end cover can have the problem that can't unscrew, and then influences the dismouting and the maintenance of cylinder body and end cover.

SUMMERY OF THE UTILITY MODEL

The utility model provides an auxiliary mechanism for hydro-cylinder end cover dismantles to solve when the end cover can appear being connected the tension or when having the corrosion condition with the cylinder body junction, the problem that original processing frock is difficult to dismantle the end cover.

In order to achieve the above object, the basic scheme of the present invention is as follows: the utility model provides an auxiliary mechanism for hydro-cylinder end cover is dismantled, includes frame, frock unit and the mobile unit that control frock unit reciprocated, and the frock unit includes the end cover clamping part and drives clamping part forward rotation or reverse rotation's power portion, and power portion fixed mounting still includes auxiliary unit in the frame, and auxiliary unit includes the thumb wheel and stirs the portion of stirring of thumb wheel, and the clamping part includes the rotary drum of fixed end cover, and the coaxial fixed mounting of thumb wheel is outside the rotary drum.

The principle and advantages of the basic scheme are as follows: when the end cover of the oil cylinder is disassembled, the oil cylinder is fixed on the lower side of the rack, the end cover at the end part of the oil cylinder is opposite to the lower end face of the rotary drum at the moment, then the moving unit controls the whole tool unit to move downwards, the rotary drum can clamp the end cover, then the power part drives the rotary drum to rotate, meanwhile, the moving unit drives the whole tool unit to move upwards, the end cover is screwed down, and then the rotary drum unscrews the end cover.

When the end cover can appear being connected too tightly or have the corrosion condition with the cylinder body junction, the rotary drum can't drive the end cover and rotate, and the portion of stirring stirs the thumb wheel that is located on the rotary drum outer wall, under the promotion of portion of stirring, has applyed external force for the rotation of rotary drum for end cover and cylinder body junction overcome static friction, can be dismantled smoothly.

Further, the mobile unit comprises a lifting group frame, a lifting oil cylinder, an oil cylinder piston rod, a plurality of guide rails and a plurality of sliding blocks arranged on the guide rails in a sliding mode, the tool unit is fixedly installed in the lifting group frame, the sliding blocks are vertically and fixedly installed outside the lifting group frame, the guide rails are vertically and fixedly installed on the rack, the upper end of the oil cylinder piston rod penetrates through the rack and is communicated with the lifting oil cylinder, and the lower end of the oil cylinder piston rod is fixedly connected with the lifting group frame.

When the moving unit controls the tool unit to move up and down, the lifting oil cylinder controls the oil cylinder piston rod to extend or shorten, so that the lower end of the oil cylinder piston rod pushes the lifting group frame and the tool unit to move up and down, the sliding block moves up and down along the guide rail at the moment, the lifting group frame and the tool unit are stably pushed to move up and down, and the rotary drum is more stably moved.

Further, the thumb wheel is the ratchet, and stirring portion is including tearing open jar telescopic link and support piece, and support piece fixed mounting is on lifting unit frame, and the one end of tearing open the jar telescopic link is connected with support piece, and the other end of tearing open the jar telescopic link can offset with the teeth of a cogwheel of ratchet, and the axis of tearing open the jar telescopic link intersects with the diameter of ratchet cross section, and the axis of tearing open the jar telescopic link coplane with the diameter of ratchet cross section.

When the rotary drum can't drive the end cover and rotate, tear open the cylinder telescopic link extension this moment, and then the tip of tearing open the cylinder telescopic link and move to the teeth of a cogwheel department of ratchet, the tip of tearing open the cylinder telescopic link offsets with the teeth of a cogwheel of ratchet, tears open the cylinder telescopic link and can effectually promote ratchet rotation, applys torsion to the rotary drum on, the rotation of rotary drum is more reliable.

Further, still include the first hydraulic motor that control was torn jar telescopic link and is extended or shorten, first hydraulic motor with tear jar telescopic link intercommunication and sliding connection.

Through the arrangement, the cylinder telescopic rod can be accurately controlled to be stretched and shortened by the first hydraulic motor, so that the ratchet wheel can be conveniently pushed to rotate, and the auxiliary unit and the tool unit are more precisely matched.

Furthermore, tear open one of jar telescopic link and keep away from a hydraulic motor and serve fixed mounting have a supporting shoe, the supporting shoe is kept away from and is equipped with on tearing jar telescopic link one side and supports tight groove, supports the transversal "V" style of calligraphy of personally submitting in tight groove, the lateral wall of supporting shoe and the inner wall that supports tight groove all can offset with the teeth of a cogwheel of ratchet.

Through the arrangement, the cylinder disassembling telescopic rod can push the supporting block to move towards the ratchet wheel, and the supporting block is far away from the contact between one side of the cylinder disassembling telescopic rod and the wheel teeth of the ratchet wheel, so that the side wall of the supporting block and the inner wall of the abutting groove can be abutted against the wheel teeth of the ratchet wheel, and convenience is realized.

Furthermore, the number of the auxiliary units is more than or equal to two, and the auxiliary units are uniformly arranged on the circumferential surface of the ratchet wheel.

Through the arrangement, when the ratchet wheel is pushed to rotate, the periphery of the ratchet wheel can be uniformly stressed, so that the ratchet wheel can rotate quickly and uniformly, and force can be applied between the auxiliary units conveniently.

Further, support piece includes supporting shoe, bottom suspension bracer and the fixed cover of fixed mounting between upper supporting shoe and bottom suspension bracer, and the coaxial fixed mounting of first hydraulic motor is in fixed cover, and the one end of fixed cover is all put up fixed connection with the lift group to upper supporting shoe and bottom suspension bracer keep away from.

Through the setting, the upper supporting block, the lower supporting block and the fixed sleeve can stably fix and support the first hydraulic motor, so that the horizontal movement of the cylinder disassembling telescopic rod is more stable.

Further, power portion is the second hydraulic motor, the equal vertical setting of rotary drum and second hydraulic motor, and rotary drum fixed mounting is equipped with the draw-in groove that can inlay the end cover card on the downside of rotary drum on the power take off of second hydraulic motor, second hydraulic motor fixed mounting in the frame.

Through the arrangement, the second hydraulic motor can effectively drive the rotary drum to rotate, and the clamping groove at the lower end of the rotary drum can limit and fix the end cover more effectively, so that the end cover is more convenient to disassemble.

Drawings

Fig. 1 is a schematic view of the axial measurement placement of the auxiliary mechanism for disassembling the oil cylinder end cover according to the present invention;

FIG. 2 is a schematic structural diagram of a front view direction of an auxiliary mechanism for disassembling an end cover of a cylinder in FIG. 1;

FIG. 3 is a structural diagram of the auxiliary mechanism for disassembling the cylinder head cover in the bottom view in FIG. 2;

fig. 4 is a cross-sectional view taken at a-a in fig. 2.

Detailed Description

The following is further detailed by the specific embodiments:

reference numerals in the drawings of the specification include: the device comprises a frame 10, a rotary drum 20, a second hydraulic motor 201, a clamping groove 202, a lifting group frame 30, a lifting oil cylinder 301, an oil cylinder piston rod 302, a guide rail 303, a sliding block 304, a ratchet 401, a cylinder disassembling telescopic rod 402, a supporting block 403, a first hydraulic motor 404, a pressing groove 405, an upper supporting block 406, a lower supporting block 407 and a fixing sleeve 408.

The embodiments are substantially as shown in figures 1, 2, 3 and 4 of the accompanying drawings: the utility model provides an auxiliary mechanism for hydro-cylinder end cover is dismantled, which comprises a frame 10, the frock unit, the mobile unit that auxiliary unit and control frock unit reciprocated, the frock unit includes the end cover clamping part and drives clamping part forward rotation or reverse rotation's power portion, the clamping part is the rotary drum 20 of fixed end cover, power portion is second hydraulic motor 201, rotary drum 20 and the equal vertical setting of second hydraulic motor 201, rotary drum 20 fixed mounting is on the power take off of second hydraulic motor 201, be equipped with on rotary drum 20's the downside and to the draw-in groove 202 of end cover inlay card, second hydraulic motor 201 passes through bolt fixed mounting in frame 10.

The moving unit comprises a lifting group frame 30, a lifting oil cylinder 301, an oil cylinder piston rod 302, four guide rails 303 and four sliding blocks 304 arranged on the guide rails 303 in a sliding manner, a second hydraulic motor 201 is fixedly arranged on the lifting group frame 30 through bolts, the sliding blocks 304 are vertically and fixedly arranged outside the lifting group frame 30, the guide rails 303 are vertically and fixedly arranged on the rack 10, the upper end of the oil cylinder piston rod 302 penetrates through the rack 10 and is communicated with the lifting oil cylinder 301, and the lower end of the oil cylinder piston rod 302 is fixedly connected with the lifting group frame 30 through bolts.

As shown in fig. 2, 3 and 4, the auxiliary unit includes a dial wheel and a dial portion for dialing the dial wheel, the dial wheel is a ratchet 401, and the dial wheel is coaxially welded outside the rotating drum 20; the striking part comprises a cylinder disassembling telescopic rod 402, a support part and a first hydraulic motor 404 for controlling the cylinder disassembling telescopic rod 402 to extend or shorten, and the first hydraulic motor 404 is communicated with and connected with the cylinder disassembling telescopic rod 402 in a sliding way; the supporting piece comprises an upper supporting block 406, a lower supporting block 407 and a fixing sleeve 408 fixedly mounted between the upper supporting block 406 and the lower supporting block 407, one end of the cylinder disassembling telescopic rod 402, which is far away from the first hydraulic motor 404, is welded with the supporting block 403, one side of the supporting block 403, which is far away from the cylinder disassembling telescopic rod 402, is provided with a butting groove 405, the cross section of the butting groove 405 is in a V shape, the side wall of the supporting block 403 and the inner wall of the butting groove 405 can be butted with the gear teeth of the ratchet wheel 401, the first hydraulic motor 404 is coaxially welded in the fixing sleeve 408, and one ends of the upper supporting block 406 and the lower supporting block 407, which are far away from the fixing sleeve 408, are fixedly connected with the lifting assembly frame 30 through bolts; while the axis of the cylinder-removing telescoping rod 402 intersects the diameter of the cross-section of the ratchet 401 and the axis of the cylinder-removing telescoping rod 402 is coplanar with the diameter of the cross-section of the ratchet 401.

Further, the number of the auxiliary units is equal to two, and the two auxiliary units are oppositely disposed at the circumferential surface of the ratchet 401.

When the auxiliary mechanism for disassembling the end cover of the oil cylinder in the embodiment is used, the oil cylinder is vertically placed on the lower side of the rack 10, the end cover at the end part of the oil cylinder is opposite to the lower end surface of the rotary cylinder 20 at the moment, then the lifting oil cylinder 301 controls the extension of the oil cylinder piston rod 302, so that the lower end of the oil cylinder piston rod 302 pushes the lifting group frame 30 and the tooling unit to move downwards, at the moment, the sliding block 304 moves downwards along the guide rail 303, the lifting group frame 30 and the tooling unit are stably pushed to move downwards, the rotary cylinder 20 is attached to the end cover, and the end cover is embedded into the clamping groove 202, so that the rotary cylinder 20 and the end cover are fixed; then the second hydraulic motor 201 controls the rotating drum 20 to rotate, the lifting oil cylinder 301 controls the oil cylinder piston rod 302 to be synchronously shortened, the rotating drum 20 drives the end cover to rotate and move upwards, the whole end cover is screwed down, and the oil cylinder is convenient to disassemble and maintain.

When the connecting part of the end cover and the cylinder body is connected too tightly or rusted, the rotary drum 20 cannot drive the end cover to rotate, the first hydraulic motor 404 is controlled to be started at the moment, the first hydraulic motor 404 controls the cylinder-detaching telescopic rod 402 to extend, and then the supporting block 403 is pushed to move towards the gear teeth of the ratchet wheel 401, the side wall of the supporting block 403 and the inner wall of the abutting groove 405 abut against the gear teeth of the ratchet wheel 401, the supporting block 403 pushes the ratchet wheel 401 to rotate under the control of the first hydraulic motor 404 and the cylinder-detaching telescopic rod 402, external force is applied to the rotation of the rotary drum 20 under the pushing of the supporting block 403, static friction is overcome at the connecting part of the end cover and the cylinder body, the end cover can be detached smoothly, and the detaching process is smoother.

Claims

1. The utility model provides an auxiliary mechanism for hydro-cylinder end cover is dismantled, includes frame, frock unit and the mobile unit that control frock unit reciprocated, the frock unit includes the end cover clamping part and drives clamping part forward rotation or reverse rotation's power portion, and power portion fixed mounting is in the frame, its characterized in that still includes auxiliary unit, and auxiliary unit includes the portion of stirring of thumb wheel and stirring thumb wheel, and the clamping part includes the rotary drum of fixed end cover, and the coaxial fixed mounting of thumb wheel is outside the rotary drum.

2. The auxiliary mechanism for disassembling the oil cylinder end cover according to claim 1, wherein the moving unit comprises a lifting assembly frame, a lifting oil cylinder, an oil cylinder piston rod, a plurality of guide rails and a plurality of sliding blocks arranged on the guide rails in a sliding manner, the tool unit is fixedly arranged in the lifting assembly frame, the sliding blocks are vertically and fixedly arranged outside the lifting assembly frame, the guide rails are vertically and fixedly arranged on the rack, the upper end of the oil cylinder piston rod penetrates through the rack and is communicated with the lifting oil cylinder, and the lower end of the oil cylinder piston rod is fixedly connected with the lifting assembly frame.

3. The auxiliary mechanism for disassembling the oil cylinder end cover according to claim 2, wherein the thumb wheel is a ratchet wheel, the poking part comprises a cylinder disassembling telescopic rod and a supporting piece, the supporting piece is fixedly installed on the lifting assembly frame, one end of the cylinder disassembling telescopic rod is connected with the supporting piece, the other end of the cylinder disassembling telescopic rod can abut against the wheel teeth of the ratchet wheel, the axis of the cylinder disassembling telescopic rod is intersected with the diameter of the cross section of the ratchet wheel, and the axis of the cylinder disassembling telescopic rod is coplanar with the diameter of the cross section of the ratchet wheel.

4. The auxiliary mechanism for disassembling the oil cylinder end cover is characterized by further comprising a first hydraulic motor for controlling the cylinder disassembling telescopic rod to extend or contract, wherein the first hydraulic motor is communicated with the cylinder disassembling telescopic rod and is connected with the cylinder disassembling telescopic rod in a sliding mode.

5. The assisting mechanism for disassembling the oil cylinder end cover according to claim 4, wherein a supporting block is fixedly installed at one end of the cylinder disassembling telescopic rod far away from the first hydraulic motor, a resisting groove is formed in one side of the supporting block far away from the cylinder disassembling telescopic rod, the cross section of the resisting groove is in a V shape, and both the side wall of the supporting block and the inner wall of the resisting groove can be abutted against the teeth of the ratchet wheel.

6. The auxiliary mechanism for disassembling the cylinder end cover according to claim 5, wherein the number of the auxiliary units is greater than or equal to two, and the auxiliary units are uniformly arranged on the circumferential surface of the ratchet wheel.

7. The auxiliary mechanism for disassembling the cylinder end cover according to claim 6, wherein the supporting member comprises an upper supporting block, a lower supporting block and a fixing sleeve fixedly installed between the upper supporting block and the lower supporting block, the first hydraulic motor is coaxially and fixedly installed in the fixing sleeve, and both ends of the upper supporting block and the lower supporting block far away from the fixing sleeve are fixedly connected with the lifting assembly frame.

8. The assisting mechanism for disassembling the end cover of the oil cylinder as claimed in claim 7, wherein the power part is a second hydraulic motor, the rotating drum and the second hydraulic motor are both vertically disposed, the rotating drum is fixedly mounted on a power output end of the second hydraulic motor, a clamping groove capable of clamping and embedding the end cover is arranged on a lower side of the rotating drum, and the second hydraulic motor is fixedly mounted on the frame.