CN209999099U - Paired wheel pulling device - Google Patents
Paired wheel pulling device Download PDFInfo
- Publication number
- CN209999099U CN209999099U CN201920807384.6U CN201920807384U CN209999099U CN 209999099 U CN209999099 U CN 209999099U CN 201920807384 U CN201920807384 U CN 201920807384U CN 209999099 U CN209999099 U CN 209999099U
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- China
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- flange structure
- lead screw
- planetary gear
- thrust frame
- gear mechanism
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Abstract
The utility model relates to a mechanical parts dismounting device specifically is kinds of wheel pulling devices to the wheel including the lead screw, with lead screw complex draw the nut, draw the nut and be equipped with the ear seat, be equipped with on the ear seat and pull out the claw, the outer end of lead screw is equipped with planetary gear mechanism, planetary gear mechanism's sun gear passes through shaft coupling and screw connection, the outer circumference suit reaction force arm device of lead screw, reaction force arm device and planetary gear mechanism's ring gear rigid coupling the utility model provides high dismantlement efficiency and precision, the rejection rate that produces when reducing equipment dismantles promotes workman's operation level, has guaranteed the dismantlement quality of equipment, has improved the rate of recovery of equipment spare part, the cost is reduced.
Description
Technical Field
The utility model relates to a mechanical parts dismounting device specifically is wheel device is pulled out to kinds of pairs of wheels.
Background
The electromechanical operation equipment is widely used in coal washery, wherein the coupling used most in equipment transmission is the coupling connection of the motor and the water pump, and a large number of motors and the coupling on the pump need to be replaced every year, the tools used are not standard and operate in a standard way due to different technical levels of maintenance personnel, the coupling is frequently hammered by a sledge when the coupling of the operation equipment is replaced in the past, the shaft and the coupling are seriously damaged during hammering, the shaft is seriously deformed and can not be reused after the coupling is detached, in addition, the coupling is cast and is easy to cause splash injury accidents during hammering, and the hydraulic wheel puller is adopted, although the acting force is larger, the stroke is slightly short, the coupling is not practical especially for the coupling with small diameter, the service life is shorter in repeated use, and the screw rod wheel puller is used, the acting force is not large, and the detaching success rate is lower because the screwing torque is limited.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide kinds of wheel pulling devices of dismantling efficient.
The utility model provides a its technical problem, the technical scheme of adoption is:
wheel pulling device for coupling comprises a lead screw and a pulling nut matched with the lead screw, wherein the pulling nut is provided with an ear seat, the ear seat is provided with a pulling claw, the outer end of the lead screw is provided with a planetary gear mechanism, a sun gear of the planetary gear mechanism is connected with the lead screw through a coupler, the outer circumference of the lead screw is sleeved with a reaction force arm device, and the reaction force arm device is fixedly connected with an inner gear ring of the planetary gear mechanism.
Adopt above-mentioned technical scheme the utility model discloses, compare with prior art, beneficial effect is:
the disassembly efficiency and the disassembly precision are improved, the rejection rate generated when the equipment is disassembled is reduced, the operation level of workers is improved, the disassembly quality of the equipment is ensured, the recovery rate of parts of the equipment is improved, and the cost is reduced.
Step , the optimization scheme of the utility model is that:
a rotating shaft is installed on the outer side of the center of a planet carrier of the planetary gear mechanism, a flange structure is arranged at the outer end of an inner gear ring, an end cover is connected with the flange structure through a bolt, a round hole is formed in the center of the end cover, the rotating shaft penetrates through the round hole, and the section of the outer end of the rotating shaft is square or regular hexagon.
The reaction force arm device comprises a fixed sleeve, a thrust frame, a connecting sleeve and a positioning sleeve, wherein the end of the fixed sleeve is fixedly connected with the inner side face of an inner gear ring of a planetary gear mechanism, the other end of the fixed sleeve is provided with an inner flange structure, the outer end of a cylindrical thrust frame is provided with a flange structure, the thrust frame is installed in the fixed sleeve, the flange structure of the thrust frame is arranged on the inner side of the inner flange structure of the fixed sleeve, the inner end face of the thrust frame is provided with the inner flange structure, the inner flange structure of the thrust frame is arranged on the outer side of the inner end face of a coupler, the wall of the connecting sleeve is provided with three axial U-shaped groove structures, an ear seat of a drawing nut is arranged in the U-shaped groove structures, the outer end of the connecting sleeve is sleeved on the outer circumference.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention;
in the figure: pulling out a claw 1; a bolt connecting piece 2; a lead screw 3; a reaction force arm device 4; a fixed sleeve 4-1; 4-2 of a thrust frame; 4-3 of a connecting sleeve; 4-4 of a positioning sleeve; a coupler 5; a planetary gear mechanism 6; a rotating shaft 6-1; end cover 6-2; 6-3 of an inner gear ring; drawing the nut 7; an ear mount 8; a connecting rod 9.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and examples.
Referring to fig. 1, the wheel pulling apparatus according to the embodiment includes a pulling claw 1, a bolt connector 2, a lead screw 3, a reaction arm device 4, a coupler 5, a planetary gear mechanism 6, a pulling nut 7, and a connecting rod 8, wherein the pulling nut 7 is screwed on the lead screw 3, the pulling nut 7 is matched with the lead screw 3, the lead screw 3 is a nickel-chromium lead screw, three raised lug seats 8 are arranged on the pulling nut 7, the pulling nut 7 is hinged to an end of the connecting rod 9 through the bolt connector 2 via the upper lug seat 8 of the pulling nut, and the other end of the connecting rod 9 is hinged to the pulling claw 1 via a bolt or a pin shaft.
The outer end of the screw rod 3 is provided with a planetary gear mechanism 6, the planetary gear mechanism 6 is composed of inner gear rings 6-3, sun gears, three planet gears, a planet gear carrier, a rotating shaft 6-1 and an end cover 6-2, the sun gears of the planetary gear mechanism 6 are processed with shaft holes, the right end of the coupler 5 penetrates through the inner gear rings and is in key connection with the shaft holes of the sun gears, the left end of the coupler 5 is provided with a shaft sleeve structure, the right end of the screw rod 3 is connected with the shaft sleeve structure through radial fastening bolts, the right end face of the inner gear rings 6-3 is provided with a spiral end cover 6-2, the right end face of the inner gear rings 6-3 is processed with a flange structure, the end cover 6-2 is connected with the flange structure of the inner gear rings 6-3 through bolts, a circular hole is processed in the center of the end cover 6-2, the rotating shaft 6-1 is welded in the center of the outer side face of the planet gear carrier, the rotating shaft 6-1 penetrates through the circular hole, the cross section of the rotating shaft 6-1 is square or regular hexagon, the planetary gear mechanism 6 is mainly used for increasing the torque of the screw rod 3, the torque of the planetary gear mechanism 6-1.
The outer circumference of the screw 3 is sleeved with a counterforce arm device 4, and the counterforce arm device 4 consists of a fixed sleeve 4-1, a thrust frame 4-2, a connecting sleeve 4-3 and a positioning sleeve 4-4. The right end of the fixed sleeve 4-1 is provided with a flange structure, the flange structure of the fixed sleeve 4-1 is connected with the left side surface of the inner gear ring 6-3 through a bolt, and the left end of the fixed sleeve 4-1 is provided with an inner flange structure. The thrust frame 4-2 is arranged in the fixed sleeve 4-1, the thrust frame 4-2 is of a sleeve structure, a flange structure is machined at the right end of the thrust frame 4-2, and the flange structure of the thrust frame 4-2 is arranged on the right side of the inner flange structure of the fixed sleeve 4-1. An inner flange structure is processed at the left end of the thrust frame 4-2, the inner flange structure of the thrust frame 4-2 is arranged on the left side of the left end face of the coupler 5, and the end cover 6-2 and the thrust frame 4-2 are used for preventing the screw rod 3, the coupler 5 or the sun gear from moving axially. The right end of the connecting sleeve 4-3 is sleeved at the left end of the thrust frame 4-2, and the thrust frame 4-2 is connected with the connecting sleeve 4-3 through a bolt. The wall of the connecting sleeve 4-3 is provided with three axial U-shaped groove structures, the lug seat 8 of the drawing nut 7 is arranged in the U-shaped groove structures, and the left end of the connecting sleeve 4-3 is provided with the positioning sleeve 4-4. The reaction arm device 4 is mounted on the inner ring gear to prevent the inner ring gear of the planetary gear mechanism from rotating, resulting in zero output torque. Meanwhile, the reaction force arm device and the lead screw 3 are coaxial to play a role in auxiliary supporting, and the supporting strength of the lead screw can be greatly improved. The connecting sleeve 4-3 is made of stainless steel, and the stainless steel connecting sleeve is mainly used for improving the structural strength of each connecting part of the wheel pulling device, so that the wheel pulling device is more compact and the service life is prolonged.
The using process of the embodiment is as follows: firstly, the screw rod 3 of the embodiment is axially horizontal to the axis of the pair wheel, the pulling claw 1 is used for buckling the pair wheel, meanwhile, the screw rod 3 is used for aligning the center of the shaft diameter, and the positioning sleeve 4-4 of the counterforce arm device 4 is pressed against the end surface of the shaft diameter. The rotating shaft 6-1 at the input end of the planetary gear mechanism is rotated, so that the planetary gear mechanism inputs small torque, and the torque of 1: the output torque of 16 acts on the screw rod 3 through the coupler 5, and the rotation of the screw rod 3 drives the matched drawing nut 7 and the drawing claw 1 to axially move, so that the paired wheel is detached.
The above description is only a preferred and practical embodiment of the present invention, and not intended to limit the scope of the present invention, and all structural equivalents made by using the contents of the specification and drawings are included in the scope of the present invention.
Claims (3)
- The wheel pulling device for the pair wheels of 1 and types comprises a lead screw and a pulling nut matched with the lead screw, wherein the pulling nut is provided with an ear seat, and the ear seat is provided with a pulling claw.
- 2. The wheel drawing device according to claim 1, wherein: a rotating shaft is installed on the outer side of the center of a planet carrier of the planetary gear mechanism, a flange structure is arranged at the outer end of an inner gear ring, an end cover is connected with the flange structure through a bolt, a round hole is formed in the center of the end cover, the rotating shaft penetrates through the round hole, and the section of the outer end of the rotating shaft is square or regular hexagon.
- 3. The wheel drawing device for the pair of wheels as claimed in claim 1, wherein the reaction force arm device comprises a fixed sleeve, a thrust frame, a connecting sleeve and a positioning sleeve, wherein the end of the fixed sleeve is fixedly connected with the inner side surface of the inner gear ring of the planetary gear mechanism, the other end of the fixed sleeve is provided with an inner flange structure, the outer end of the cylindrical thrust frame is provided with a flange structure, the thrust frame is installed in the fixed sleeve, the flange structure of the thrust frame is arranged on the inner side of the inner flange structure of the fixed sleeve, the inner end surface of the thrust frame is provided with an inner flange structure, the inner flange structure of the thrust frame is arranged on the outer side of the inner end surface of the coupler, the cylinder wall of the connecting sleeve is provided with three axial U-shaped groove structures, the lug seat of the drawing nut is arranged in the U-shaped groove structure, the outer end of the connecting sleeve is sleeved on the.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920807384.6U CN209999099U (en) | 2019-05-31 | 2019-05-31 | Paired wheel pulling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920807384.6U CN209999099U (en) | 2019-05-31 | 2019-05-31 | Paired wheel pulling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209999099U true CN209999099U (en) | 2020-01-31 |
Family
ID=69308677
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920807384.6U Expired - Fee Related CN209999099U (en) | 2019-05-31 | 2019-05-31 | Paired wheel pulling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209999099U (en) |
-
2019
- 2019-05-31 CN CN201920807384.6U patent/CN209999099U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200131 Termination date: 20200531 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |