CN211639711U - Belt pulley dismounting and mounting device - Google Patents
Belt pulley dismounting and mounting device Download PDFInfo
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- CN211639711U CN211639711U CN201921695510.XU CN201921695510U CN211639711U CN 211639711 U CN211639711 U CN 211639711U CN 201921695510 U CN201921695510 U CN 201921695510U CN 211639711 U CN211639711 U CN 211639711U
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Abstract
The utility model belongs to the field of mining machinery, in particular to a belt pulley dismounting and mounting device, which comprises a liftable frame, wherein the bottom of the center of the liftable frame is provided with a base, the top end of the liftable frame is provided with a rotary table, the rotary table is provided with a pair of bosses, one shaft passes through the pair of bosses, the shaft is rotationally connected with the bosses, a rotary table is fixedly arranged on the shaft between the bosses, and both ends of the shaft are provided with threads; one end of the shaft is provided with a hand grip which is in threaded connection with the shaft; the other end of the shaft is provided with a weight as a balancing device; the gripper consists of a base and a feeler lever, a threaded hole is formed in the center of the base, and a shaft is in threaded connection with the base; the base is fixedly provided with more than 2 feeler levers, and the ends of the feeler levers are connected with nuts through threads. The utility model discloses a, can easily dismantle the belt pulley, improve and dismantle efficiency, can realize the installation of belt pulley again, played good additional action in the change operation of belt pulley shaft.
Description
Technical Field
The utility model belongs to the mining machinery field, concretely relates to belt pulley is dismantled and installation device.
Background
At present, jaw crushers are adopted in most crushing procedures of mineral separation plants in China, and mainly comprise a rack, a movable jaw assembly (comprising an eccentric shaft), a fixed jaw, a belt pulley and other transmission devices. When the motor drives the belt pulley to rotate, the eccentric shaft drives the movable jaw to perform pendulous motion, and ores enter the crushing cavity and are extruded and split by the movable jaw to achieve the purpose of crushing. However, because the eccentric shaft is the main transmission wear part, the service life is generally about 1.5 years, and therefore, a crusher needs to reasonably complete maintenance and replacement according to the service condition. Because the eccentric shaft is installed in moving the jaw axle sleeve, in order to practice thrift the repair time, move the jaw assembly earlier usually, ensure that equipment can normally start, wait the later stage again to move the jaw assembly and dismantle to changing, accomplish the eccentric shaft and change. In the whole maintenance process, the most critical step of moving jaw assembly replacement is to disassemble the belt pulley firstly, common tools are a chain saw and a hand-operated hoist, but the two tools are used laboriously, the working efficiency is low, the biggest defect is that the movable jaw assembly is not suitable for disassembling the belt pulley with larger size, and the disassembling difficulty is very large especially for a concentrating mill with the disassembled belt pulley limited by space.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model provides a belt pulley is dismantled and installation device can solve the inconvenient problem of belt pulley dismouting.
The specific technical scheme is as follows: a belt pulley dismounting and mounting device comprises a liftable rack, wherein a base is arranged at the bottom of the center of the liftable rack, a rotary table is arranged at the top end of the liftable rack, a pair of bosses are arranged on the rotary table, a shaft penetrates through the pair of bosses, the shaft is rotatably connected with the bosses, a rotary table is fixedly arranged on the shaft between the bosses, and threads are arranged at two ends of the shaft;
one end of the shaft is provided with a hand grip which is in threaded connection with the shaft; the other end of the shaft is provided with a weight as a balancing device;
the gripper consists of a base and a feeler lever, a threaded hole is formed in the center of the base, and a shaft is in threaded connection with the base; the base is fixedly provided with more than 2 feeler levers, and the ends of the feeler levers are connected with nuts through threads.
Further, be provided with the pivot on the base, the pivot bottom is provided with the screw thread, pivot and base threaded connection, the fixed rudderstock that is provided with in the pivot, the pivot stretches out liftable frame top and is provided with the revolving stage.
Further, the shaft end of being connected with the tongs is provided with the recess, is provided with the internal thread in the recess, the fixed threaded rod that is provided with on the base of tongs, the threaded rod can stretch into in the recess of shaft to with recess threaded connection.
Furthermore, a sleeve is arranged on the shaft connected with the gripper, and the sleeve is fixedly connected with the end face corresponding to the gripper.
Furthermore, a sleeve is arranged on the shaft connected with the hand grip, a ring of teeth are arranged on the end face of the sleeve corresponding to the hand grip, a ring of teeth are arranged on the end face of the hand grip corresponding to the sleeve, and the ring of teeth on the sleeve can be meshed with the ring of teeth on the end face of the hand grip.
Further, the outer surface of the sleeve is arranged in a rough manner.
Further, the outer surface of the sleeve is provided with a thread groove.
Has the advantages that:
the utility model discloses a, can easily dismantle the belt pulley, improve and dismantle efficiency, can realize the installation of belt pulley again, played good additional action in the change operation of belt pulley shaft.
Drawings
FIG. 1 is a schematic view of the present invention;
FIG. 2 is a schematic view of the present invention with a rotating shaft;
FIG. 3 is a schematic view showing the connection state of the groove and the threaded rod of the present invention;
FIG. 4 is a schematic view of a sleeve with ring teeth;
FIG. 5 is a schematic view showing the engagement state of the sleeve and the gripper ring teeth;
FIG. 6 is a schematic view of the present invention with a sleeve;
FIG. 7 is a schematic view showing the connection state of the groove and the threaded rod of the present invention with the sleeve;
wherein, 1 the machine frame can be lifted; 2, a base; 3, rotating the table; 4, a boss; 5, an axis; 6, rotating the disc; 7, gripping by a hand; 8, a base; 9 feeler levers; 10 a rotating shaft; 11 a rudder wheel; 12, grooves; 13 a threaded rod; 14 a sleeve; 15, a weight; 16 belt pulleys; 17 pulley shaft.
Detailed Description
Example 1
The belt pulley dismounting and mounting device shown in fig. 1 comprises a liftable rack 1, wherein a base 2 is arranged at the bottom of the center of the liftable rack 1, a rotary table 3 is arranged at the top end of the liftable rack 1, a pair of bosses 4 are arranged on the rotary table 3, a shaft 5 penetrates through the pair of bosses 4, the shaft 5 is rotatably connected with the bosses 4 (the shaft 5 is provided with threads, the shaft 5 is connected with the bosses 4 through the threads), a rotary table 6 is fixedly arranged on the shaft between the bosses, and threads are arranged at two ends of the shaft 5; one end of the shaft 5 is provided with a hand grip 7, and the hand grip 7 is in threaded connection with the shaft; the other end of the shaft 5 is provided with a weight 15 as a balancing device; the hand grip 7 consists of a base 8 and a feeler lever 9, a threaded hole is formed in the center of the base 8, and the shaft 5 is in threaded connection with the base 8; more than 2 feeler levers 9 (preferably 4 feeler levers 9) are fixedly arranged on the base 8, and the ends of the feeler levers 9 are connected with nuts through threads. The shaft 5 is rotated by rotating the turntable 6, and under the condition that the shaft 5 is connected with the belt pulley rotating shaft 17, the hand grip 7 is close to the boss 4 through reaction, and the belt pulley 16 is detached from the belt pulley rotating shaft 17 by the hand grip 7. The diameter of the shaft 5 is preferably the same as the diameter of the pulley shaft 16 for easy removal and installation.
Pulley 16 is rotated (pulley has a belt groove therein, pulley 16 is rotated by pulling both ends of the belt) to effect the withdrawal of pulley 16 from shaft 5 onto pulley shaft 17. The rotation of the turntable 6 can be driven by a motor through a belt; or the worm and gear combination drives; or a rope is wound on the rotary table, two ends of the rope are pulled, the shaft 5 is enabled to generate displacement in the axis direction under the action of friction force of the rope and the rotary table, so that the hand grip 7 is enabled to run reversely, and the belt pulley is detached from the belt pulley shaft 17.
Example 2
The belt pulley dismounting and mounting device shown in fig. 2 comprises a liftable rack 1, wherein a base 2 is arranged at the bottom of the center of the liftable rack 1, a rotary table 3 is arranged at the top end of the liftable rack 1, a pair of bosses 4 are arranged on the rotary table 3, a shaft 5 penetrates through the pair of bosses 4 and is rotatably connected with the bosses, a rotary table 6 is fixedly arranged on the shaft between the bosses, and threads are arranged at two ends of the shaft 5; one end of the shaft 5 is provided with a hand grip 7, and the hand grip 7 is in threaded connection with the shaft; the other end of the shaft 5 is provided with a weight 15 as a balancing device; the hand grip 7 consists of a base 8 and a feeler lever 9, a threaded hole is formed in the center of the base 8, and the shaft 5 is in threaded connection with the base 8; the base 8 is fixedly provided with more than 2 feeler levers 9, and the ends of the feeler levers 9 are connected with nuts through threads.
The base 2 is provided with a rotating shaft 10, threads are arranged at the bottom of the rotating shaft 10, the rotating shaft 10 is in threaded connection with the base 2, a rudder disc 11 is fixedly arranged at the joint of the rotating shaft 10 and the base 2, and the rotating shaft 10 extends out of the top end of the liftable rack to be provided with a turntable 3. The rotary table 3 plays a role in assisting lifting, and is convenient for height adjustment of the liftable rack 1. The liftable rack 1 is similar to a liftable rack of a tower crane. The rotating shaft 10 is movably connected with the rotary table 3, so that the rotary table 3 can be conveniently adjusted to enable the shaft 5 on the boss 4 to be superposed with the central line of the belt pulley shaft 17, and the belt pulley can be conveniently detached and installed. And the turntable 3 is provided with a locking device to prevent the pulley from moving again after the direction of the turntable 3 is determined, so that the disassembly and the assembly of the pulley are failed. The locking device can be provided with a through hole on the rotary table 3, an iron plate is fixedly arranged on the upper surface of the liftable frame 1, a counter bore is arranged on the iron plate, and the steel bar passes through the through hole on the rotary table 3 to be connected with the counter bore on the iron plate so as to fix the rotation of the rotary table 3; when the rotary table 3 needs to be rotated, the steel bars are pulled out, and then the rotary table 3 can be rotated.
Example 3
A belt pulley dismounting and mounting device as shown in fig. 3 comprises a liftable frame 1, wherein a base 2 is arranged at the bottom of the center of the liftable frame 1, a rotary table 3 is arranged at the top end of the liftable frame 1, a pair of bosses 4 are arranged on the rotary table 3, a shaft 5 penetrates through the pair of bosses 4, the shaft is rotatably connected with the bosses, a rotary table 6 is fixedly arranged on the shaft between the bosses, and threads are arranged at two ends of the shaft 5; one end of the shaft 5 is provided with a hand grip 7, and the hand grip 7 is in threaded connection with the shaft; the other end of the shaft 5 is provided with a weight 15 as a balancing device; the hand grip 7 consists of a base 8 and a feeler lever 9, a threaded hole is formed in the center of the base 8, and the shaft 5 is in threaded connection with the base 8; the base 8 is fixedly provided with more than 2 feeler levers 9, and the ends of the feeler levers 9 are connected with nuts through threads.
The base 2 is provided with a rotating shaft 10, threads are arranged at the bottom of the rotating shaft 10, the rotating shaft 10 is in threaded connection with the base 2, a rudder disc 11 is fixedly arranged at the joint of the rotating shaft 10 and the base 2, and the rotating shaft 10 extends out of the top end of the liftable rack to be provided with a turntable 3. A groove 12 is formed in one end of the shaft connected with the hand grip 7, internal threads are arranged in the groove 12, a threaded rod 13 is fixedly arranged on the base 8 of the hand grip 7, and the threaded rod 13 can extend into the groove of the shaft 5 and is in threaded connection with the groove. The rotating shaft 5 is driven to rotate by rotating the turntable 6, and the belt pulley 16 is detached from the belt pulley rotating shaft 17 by pulling the threaded rod through the groove 12. The rotation of the rotating disk 6 can be driven by a motor through a belt or driven by a worm and gear combination.
Rotating the belt pulley 16 (belt grooves are formed in the belt pulley, and the belt pulley 16 is rotated by pulling two ends of the belt) to enable the hand grip 7 and the belt pulley 16 to be withdrawn from the groove 12 of the shaft 5 to the belt pulley shaft 17; in the process, the groove is deep enough to ensure that the threaded rod 13 is always in the groove 12 and connected through threads; the pulley 16 together with the grip 7 falls down, avoiding the disconnection of the threaded rod 13 from the groove 12.
Example 4
A belt pulley dismounting and mounting device as shown in fig. 7 comprises a liftable frame 1, wherein a base 2 is arranged at the bottom of the center of the liftable frame 1, a rotary table 3 is arranged at the top end of the liftable frame 1, a pair of bosses 4 are arranged on the rotary table 3, a shaft 5 penetrates through the pair of bosses 4, the shaft is rotatably connected with the bosses, a rotary table 6 is fixedly arranged on the shaft between the bosses, and threads are arranged at two ends of the shaft 5; one end of the shaft 5 is provided with a hand grip 7, and the hand grip 7 is in threaded connection with the shaft; the other end of the shaft 5 is provided with a weight 15 as a balancing device; the hand grip 7 consists of a base 8 and a feeler lever 9, a threaded hole is formed in the center of the base 8, and the shaft 5 is in threaded connection with the base 8; the base 8 is fixedly provided with more than 2 feeler levers 9, and the ends of the feeler levers 9 are connected with nuts through threads.
The base 2 is provided with a rotating shaft 10, threads are arranged at the bottom of the rotating shaft 10, the rotating shaft 10 is in threaded connection with the base 2, a rudder disc 11 is fixedly arranged at the joint of the rotating shaft 10 and the base 2, and the rotating shaft 10 extends out of the top end of the liftable rack to be provided with a turntable 3. A groove 12 is formed in one end of the shaft connected with the hand grip 7, internal threads are arranged in the groove 12, a threaded rod 13 is fixedly arranged on the base 8 of the hand grip 7, and the threaded rod 13 can extend into the groove of the shaft 5 and is in threaded connection with the groove. The rotating shaft 5 is driven to rotate by rotating the turntable 6, and the belt pulley 16 is detached from the belt pulley rotating shaft 17 by pulling the threaded rod through the groove 12. The rotation of the turntable 6 can be driven by a motor through a belt; or the worm and gear combination drives; or a rope is wound on the rotary table, two ends of the rope are pulled, the shaft 5 is enabled to generate displacement in the axis direction under the action of friction force of the rope and the rotary table, so that the hand grip 7 is enabled to run reversely, and the belt pulley is detached from the belt pulley shaft.
A sleeve is arranged on the shaft 5 connected with the hand grip 7, and the sleeve 14 is fixedly connected with the corresponding end surface of the hand grip. The sleeve is wound with a rope, the sleeve 14 is rotated together with the belt pulley by pulling two ends of the rope, (at this time, the shaft 5 needs to be locked to prevent the shaft from rotating), and under the condition that the sleeve 14 is rotated together with the belt pulley, the threaded rod 13 can be withdrawn from the groove of the shaft 5, and finally the belt pulley is installed on a belt pulley shaft.
Example 5
A belt pulley dismounting and mounting device as shown in fig. 3, 4 and 7, which comprises a liftable frame 1, wherein a base 2 is arranged at the bottom of the center of the liftable frame 1, a rotary table 3 is arranged at the top end of the liftable frame 1, a pair of bosses 4 are arranged on the rotary table 3, a shaft 5 penetrates through the pair of bosses 4, the shaft is rotatably connected with the bosses, a rotary table 6 is fixedly arranged on the shaft between the bosses, and threads are arranged at two ends of the shaft 5; one end of the shaft 5 is provided with a hand grip 7, and the hand grip 7 is in threaded connection with the shaft; the other end of the shaft 5 is provided with a weight 15 as a balancing device; the hand grip 7 consists of a base 8 and a feeler lever 9, a threaded hole is formed in the center of the base 8, and the shaft 5 is in threaded connection with the base 8; the base 8 is fixedly provided with more than 2 feeler levers 9, and the ends of the feeler levers 9 are connected with nuts through threads.
The base 2 is provided with a rotating shaft 10, threads are arranged at the bottom of the rotating shaft 10, the rotating shaft 10 is in threaded connection with the base 2, a rudder disc 11 is fixedly arranged at the joint of the rotating shaft 10 and the base 2, and the rotating shaft 10 extends out of the top end of the liftable rack to be provided with a turntable 3. A sleeve 14 is arranged on the shaft connected with the hand grip 7, a ring of teeth are arranged on the end face of the sleeve 14 corresponding to the hand grip 7, a ring of teeth are arranged on the end face of the hand grip 7 corresponding to the sleeve 14, and the ring of teeth on the sleeve can be meshed with the ring of teeth on the end face of the hand grip. The mode of ring tooth meshing is adopted, so that the sleeve can be disassembled, and the assembly is convenient.
The rotating shaft 5 is driven to rotate by rotating the turntable 6, and the belt pulley 16 is detached from the belt pulley rotating shaft 17 by pulling the threaded rod through the groove 12. The rotation of the turntable 6 can be driven by a motor through a belt; or the worm and gear combination drives; or a rope is wound on the rotary table, two ends of the rope are pulled, the shaft 5 is enabled to generate displacement in the axis direction under the action of friction force of the rope and the rotary table, so that the hand grip 7 is enabled to run reversely, and the belt pulley is detached from the belt pulley shaft.
A sleeve is arranged on the shaft 5 connected with the hand grip 7, and the sleeve 14 is fixedly connected with the corresponding end surface of the hand grip. The sleeve is wound with a rope, the sleeve 14 rotates together with the belt pulley by pulling two ends of the rope, the threaded rod 13 can be withdrawn from the groove of the shaft 5 under the condition that the sleeve 14 rotates together with the belt pulley, and finally the belt pulley is installed on the belt pulley shaft.
Example 6
A belt pulley dismounting and mounting device comprises a liftable rack 1, wherein a base 2 is arranged at the bottom of the center of the liftable rack 1, a rotary table 3 is arranged at the top end of the liftable rack 1, a pair of bosses 4 are arranged on the rotary table 3, a shaft 5 penetrates through the pair of bosses 4, the shaft is rotatably connected with the bosses, a rotary table 6 is fixedly arranged on the shaft between the bosses, and threads are arranged at two ends of the shaft 5; one end of the shaft 5 is provided with a hand grip 7, and the hand grip 7 is in threaded connection with the shaft; the other end of the shaft 5 is provided with a weight 15 as a balancing device; the hand grip 7 consists of a base 8 and a feeler lever 9, a threaded hole is formed in the center of the base 8, and the shaft 5 is in threaded connection with the base 8; the base 8 is fixedly provided with more than 2 feeler levers 9, and the ends of the feeler levers 9 are connected with nuts through threads.
The base 2 is provided with a rotating shaft 10, threads are arranged at the bottom of the rotating shaft 10, the rotating shaft 10 is in threaded connection with the base 2, a rudder disc 11 is fixedly arranged at the joint of the rotating shaft 10 and the base 2, and the rotating shaft 10 extends out of the top end of the liftable rack to be provided with a turntable 3. A sleeve is arranged on the shaft connected with the hand grip 7, a ring of teeth are arranged on the end face, corresponding to the hand grip 7, of the sleeve 14, a ring of teeth are arranged on the end face, corresponding to the sleeve 14, of the hand grip 7, and the ring of teeth on the sleeve 14 can be meshed with the ring of teeth on the end face of the hand grip 7.
The outer surface of the sleeve 14 is rough or the outer surface of the sleeve 14 is provided with a thread groove. The rotating shaft 5 enables the pulley to be removed. A rope is sequentially wound on the sleeve 14, the front and back movement of the sleeve is achieved by pulling two ends of the rope, and then the belt pulley is driven to rotate, so that the belt pulley is installed.
Example 7
The belt pulley dismounting and mounting device shown in fig. 6 comprises a liftable rack 1, wherein a base 2 is arranged at the bottom of the center of the liftable rack 1, a rotary table 3 is arranged at the top end of the liftable rack 1, a pair of bosses 4 are arranged on the rotary table 3, a shaft 5 penetrates through the pair of bosses 4 and is rotatably connected with the bosses, a rotary table 6 is fixedly arranged on the shaft between the bosses, and threads are arranged at two ends of the shaft 5; one end of the shaft 5 is provided with a hand grip 7, and the hand grip 7 is in threaded connection with the shaft; the other end of the shaft 5 is provided with a weight 15 as a balancing device; the hand grip 7 consists of a base 8 and a feeler lever 9, a threaded hole is formed in the center of the base 8, and the shaft 5 is in threaded connection with the base 8; the base 8 is fixedly provided with more than 2 feeler levers 9, and the ends of the feeler levers 9 are connected with nuts through threads.
The base 2 is provided with a rotating shaft 10, threads are arranged at the bottom of the rotating shaft 10, the rotating shaft 10 is in threaded connection with the base 2, a rudder disc 11 is fixedly arranged at the joint of the rotating shaft 10 and the base 2, and the rotating shaft 10 extends out of the top end of the liftable rack to be provided with a turntable 3.
A sleeve 14 is arranged on the shaft 5 connected with the hand grip 7.
The shaft 5 is rotated by rotating the turntable 6, and under the condition that the shaft 5 is connected with the belt pulley rotating shaft 17, the hand grip 7 is close to the boss 4 through reaction, and the belt pulley 16 is detached from the belt pulley rotating shaft 17 by the hand grip 7. The rotation of the rotating disk 6 can be driven by a motor through a belt or driven by a worm and gear combination. The rotation of the turntable 6 can be driven by a motor through a belt; or the worm and gear combination drives; or a rope is wound on the rotary table, two ends of the rope are pulled, the shaft 5 is enabled to generate displacement in the axis direction under the action of friction force of the rope and the rotary table, so that the hand grip 7 is enabled to run reversely, and the belt pulley is detached from the belt pulley shaft.
The sleeve 14 is sequentially wound with a rope (at this time, the shaft 5 needs to be locked to prevent rotation), and the sleeve is moved back and forth by pulling two ends of the rope, so that the belt pulley is driven to rotate, and the belt pulley 16 is pulled down from the shaft 5 to the belt pulley shaft 17.
The rotation of above-mentioned carousel can be that the order winding sets up a rope on the carousel, through pulling rope both ends, realizes sheathed tube back-and-forth movement, and then drives the rotation of axle, under the condition that axle and belt pulley pivot meet the department, makes the tongs be close to the boss through the reaction, and the tongs makes the belt pulley dismantle from the belt pulley pivot. The rotation of the turntable can also be driven by a motor and a gear combination.
The utility model discloses a, can easily dismantle the belt pulley, improve and dismantle efficiency, reduce and overhaul intensity. The manufacturing device reduces the disassembly difficulty of the crusher belt pulley since the manufacturing device is used, and the belt pulley disassembling device has a good demonstration effect on most of the current mineral separation plants in China.
Claims (7)
1. A belt pulley dismounting and mounting device is characterized by comprising a liftable rack, wherein a base is arranged at the bottom of the center of the liftable rack, a rotary table is arranged at the top end of the liftable rack, a pair of bosses are arranged on the rotary table, a shaft penetrates through the pair of bosses, the shaft is rotatably connected with the bosses, a rotary table is fixedly arranged on the shaft between the bosses, and threads are arranged at two ends of the shaft;
one end of the shaft is provided with a hand grip which is in threaded connection with the shaft; the other end of the shaft is provided with a weight as a balancing device;
the gripper consists of a base and a feeler lever, a threaded hole is formed in the center of the base, and a shaft is in threaded connection with the base; the base is fixedly provided with more than 2 feeler levers, and the ends of the feeler levers are connected with nuts through threads.
2. The device for disassembling and assembling a belt pulley according to claim 1, wherein the base is provided with a rotating shaft, the bottom of the rotating shaft is provided with threads, the rotating shaft is in threaded connection with the base, the rotating shaft is fixedly provided with a rudder plate, and the rotating shaft extends out of the top end of the liftable frame and is provided with a turntable.
3. A pulley dismounting and mounting device according to claim 1 or 2, wherein the shaft connected to the gripper has a recess in one end thereof, and an internal thread in the recess, and wherein a threaded rod is fixedly arranged on the base of the gripper, and the threaded rod can extend into the recess of the shaft and be threadedly connected to the recess.
4. A pulley dismounting and mounting device according to claim 3 wherein said shaft connected to said gripper is provided with a sleeve fixedly connected to a corresponding end surface of said gripper.
5. A pulley dismounting and mounting device according to claim 3 wherein said shaft engaging said finger is provided with a sleeve, the end of said sleeve corresponding to said finger being provided with a ring of teeth, the end of said finger corresponding to said sleeve being provided with a ring of teeth, the ring of teeth on said sleeve being engageable with the ring of teeth on the end of said finger.
6. A pulley dismounting and mounting device according to claim 4 or 5, wherein said sleeve has a rough outer surface.
7. A pulley dismounting and mounting device according to claim 4 or 5, wherein said sleeve has a threaded groove on its outer surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921695510.XU CN211639711U (en) | 2019-10-11 | 2019-10-11 | Belt pulley dismounting and mounting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921695510.XU CN211639711U (en) | 2019-10-11 | 2019-10-11 | Belt pulley dismounting and mounting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211639711U true CN211639711U (en) | 2020-10-09 |
Family
ID=72680805
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921695510.XU Active CN211639711U (en) | 2019-10-11 | 2019-10-11 | Belt pulley dismounting and mounting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211639711U (en) |
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2019
- 2019-10-11 CN CN201921695510.XU patent/CN211639711U/en active Active
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