CN210060964U - Crank pin assembly mounting device - Google Patents
Crank pin assembly mounting device Download PDFInfo
- Publication number
- CN210060964U CN210060964U CN201920379410.XU CN201920379410U CN210060964U CN 210060964 U CN210060964 U CN 210060964U CN 201920379410 U CN201920379410 U CN 201920379410U CN 210060964 U CN210060964 U CN 210060964U
- Authority
- CN
- China
- Prior art keywords
- pin assembly
- crank pin
- crank
- connecting rod
- mounting arrangement
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
- Transmission Devices (AREA)
Abstract
The utility model discloses a crank pin assembly installation device belongs to equipment maintenance technical field. The crankpin assembly mounting arrangement includes a support plate, at least one connecting rod, and a traction mechanism. The first end of each connecting rod is fixedly connected with the crank, and the second end of each connecting rod is fixedly connected with the supporting plate. The first end of the traction mechanism is connected with the supporting plate, and the second end of the traction mechanism is used for drawing the crank pin assembly to move towards the direction of the supporting plate. The utility model discloses an at least one connecting rod is with backup pad and crank relatively fixed. Afterwards, because drive mechanism's first end is connected with the backup pad, drive mechanism's second end can pull the direction motion of crank pin assembly to the backup pad to can realize the installation of crank pin assembly under the effect of not knocking the bearing end of crank pin assembly, thereby avoided scrapping of crank pin assembly because of knocking the cause.
Description
Technical Field
The utility model relates to an equipment maintenance technical field, in particular to crank pin assembly installation device.
Background
The beam-pumping unit is a common exploitation device for exploiting crude oil or natural gas, and mainly comprises a reduction gearbox, a crank, a connecting rod, a beam, a walking beam and a horse head, so that the rotary motion of an output shaft of the reduction gearbox is changed into the up-and-down reciprocating motion of the horse head through the crank, the connecting rod, the beam and the walking beam, and the exploitation of the crude oil or natural gas is realized. During the process of extracting crude oil or natural gas, the crank pin assembly connecting the connecting rod and the crank may need to be detached from the first stroke hole on the crank and installed in the second stroke hole on the crank, so as to improve the extraction efficiency of crude oil or natural gas by adjusting the stroke of the beam pumping unit. Wherein, the crank pin assembly includes bearing end and screw thread end, and the bearing end is used for being connected with the connecting rod bearing, and the screw thread end is used for being connected with crank threaded connection.
At present, after the threaded end of the crank pin assembly passes through the second stroke hole on the crank, the bearing end of the crank pin assembly needs to be knocked by a large hammer to ensure that the crank pin assembly is in close contact with the second stroke hole on the crank. When the bearing end of the crank pin assembly is knocked, if the sledgehammer slips, the sledgehammer can easily knock on the bearing cover of the bearing end, and then the bearing on the crank pin assembly is damaged, so that the crank pin assembly is scrapped.
SUMMERY OF THE UTILITY MODEL
The utility model provides a crank pin assembly installation device can solve installation crank pin assembly in-process, because of beating greatly and strike the bearing cap that results in the bearing end of crank pin assembly and damage, and lead to the condemned problem of crank pin assembly. The technical scheme is as follows:
the utility model provides a crank pin assembly mounting device, which comprises a support plate, at least one connecting rod and a traction mechanism;
the first end of each connecting rod in the at least one connecting rod is fixedly connected with the crank, and the second end of each connecting rod is fixedly connected with the supporting plate;
the first end of the traction mechanism is connected with the supporting plate, and the second end of the traction mechanism is used for drawing the crank pin assembly to move towards the direction of the supporting plate.
In a possible implementation manner, the traction mechanism comprises a traction rod and a rotating nut, and a first through hole is formed in the supporting plate;
the draw bar penetrates through the first through hole, the first end of the draw bar is fixedly connected with the threaded end of the crank pin assembly, and the second end of the draw bar is in threaded connection with the rotating nut;
the draw bar can drive the crank pin assembly to move towards the direction of the supporting plate in the process of screwing the rotary nut.
Optionally, the traction mechanism further comprises a traction nut, one end of the traction nut is fixedly connected with the first end of the traction rod, and the other end of the traction nut is fixedly connected with a threaded end of the crank pin assembly.
Optionally, the traction mechanism further comprises a fixing bolt;
the end surface of the first end of the traction rod is provided with a groove, the groove can cover the threaded end of the crank pin assembly, and the first end of the traction rod is provided with a second through hole penetrating through the groove along the radial direction;
the fixing bolt is used for fixing the traction rod and the crank pin assembly through the second through hole and a third through hole which is radially arranged at the threaded end of the crank pin assembly.
Optionally, the traction mechanism further comprises a shim and/or a bearing washer;
the shim and/or the bearing washer are/is sleeved on the traction rod and positioned between the support plate and the rotating nut.
Optionally, the crank pin assembly mounting means comprises a retaining nut;
the first end of each connecting rod is used for penetrating through the stroke hole in the crank, a pair of fixing nuts are screwed on each connecting rod, and the pair of fixing nuts can be screwed on two sides of the crank.
Optionally, the crank pin assembly mounting device further comprises a first fixing plate and a second fixing plate, wherein a conical boss is arranged on one side of the first fixing plate, and a circular boss is arranged on one side of the second fixing plate;
the first fixing plate and the second fixing plate are sleeved on each connecting rod, the conical boss is opposite to the circular boss, the first fixing plate and the second fixing plate are located between the pair of fixing nuts, and the conical boss and the circular boss can be clamped in the stroke hole.
Optionally, the crankpin assembly mounting means comprises at least two connecting rods, the at least two connecting rods and the traction mechanism being located in the same plane.
Optionally, a side surface of the first end of each connecting rod is provided with a limit table, and the limit table can be clamped on one side of the stroke hole on the crank.
Optionally, the second end of each link is welded to the support plate.
The utility model provides a technical scheme's beneficial effect includes at least:
the utility model discloses in, because the first end of every connecting rod be used for with crank fixed connection, the second end and the backup pad fixed connection of every connecting rod can be through at least one connecting rod with backup pad and crank relatively fixed like this. Afterwards, because drive mechanism's first end is connected with the backup pad, drive mechanism's second end can pull the direction motion of crank pin assembly to the backup pad to can realize the installation of crank pin assembly under the effect of not knocking the bearing end of crank pin assembly, thereby avoided scrapping of crank pin assembly because of knocking the cause.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a structural diagram of a crank pin assembly mounting device according to an embodiment of the present invention;
fig. 2 is a block diagram of another crank pin assembly mounting arrangement according to an embodiment of the present invention;
fig. 3 is a block diagram of another crank pin assembly mounting apparatus according to an embodiment of the present invention;
fig. 4 is a structural view of another crank pin assembly mounting apparatus according to an embodiment of the present invention;
fig. 5 is a structural view of another crank pin assembly mounting apparatus according to an embodiment of the present invention;
fig. 6 is a structural diagram of another crank pin assembly mounting device according to an embodiment of the present invention.
Reference numerals:
1: a support plate; 2: a connecting rod; 21: a limiting table; 3: a traction mechanism; 31: a draw bar; 32: rotating the nut; 33: a draw nut; 34: fixing the bolt; 35: a gasket; 36: a bearing washer; 4: fixing a nut; 5: a first fixing plate; 6: a second fixing plate; 7: a crank; 8: a crank pin assembly.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.
Fig. 1 illustrates a structure diagram of a crank pin assembly mounting device according to an embodiment of the present invention. As shown in fig. 1, the crankpin assembly mounting arrangement may include a support plate 1, at least one connecting rod 2, and a traction mechanism 3. The first end of each connecting rod 2 in at least one connecting rod 2 is fixedly connected with the crank 7, and the second end of each connecting rod 2 is fixedly connected with the support plate 1; the first end of drive mechanism 3 is connected with backup pad 1, and the second end of drive mechanism 3 is used for drawing crank pin assembly 8 to the direction motion of backup pad 1.
The embodiment of the utility model provides an in, because the first end of every connecting rod 2 be used for with crank 7 fixed connection, every connecting rod 2's second end and backup pad 1 fixed connection can be with backup pad 1 and crank 7 relatively fixed through at least one connecting rod 2 like this. Afterwards, because the first end and the backup pad 1 of drive mechanism 3 are connected, the second end of drive mechanism 3 can pull the direction motion of crank pin assembly 8 to backup pad 1 to can realize the installation of crank pin assembly 8 under the effect of not knocking the bearing end of crank pin assembly 8, thereby avoided scrapping of crank pin assembly 8 because of knocking the cause.
Wherein, backup pad 1 can be for having the steel sheet of certain thickness to avoid drive mechanism 3 when driving crank pin assembly 8 motion, drive mechanism 3 leads to backup pad 1 to take place to deform because of receiving the effort towards crank 7. Of course, the supporting plate 1 may be a prism-shaped rigid body as long as the supporting plate 1 is not deformed.
The support plate 1 and the second end of each connecting rod 2 can be fixedly connected by welding, or the support plate 1 and the second end of each connecting rod 2 can be fixedly connected by an integrated design. Of course, the support plate 1 and each connecting rod 2 may also be fixedly connected as shown in fig. 1, specifically, a fourth through hole corresponding to each connecting rod 2 is provided on the support plate 1, the second end of each connecting rod 2 passes through the corresponding fourth through hole, then fixing nuts 4 are respectively screwed on two ends of each connecting rod 2, and the fixing nuts 4 are screwed to abut against the support plate 1, thereby fixedly connecting each connecting rod 2 and the support plate 1.
The embodiment of the utility model provides an in, in order to improve backup pad 1 and crank 7's relative stability, when avoiding that drive mechanism 3 to drive crank pin assembly 8 to remove, drive mechanism 3 is because of the reverse action force that receives, lead to taking place between connecting rod 2 and backup pad 1 or crank 7 not hard up, as shown in fig. 1, 8 installation device of crank pin assembly can include two at least connecting rods 2, two at least connecting rods 2 and drive mechanism 3 can be located the coplanar, and then can couple together backup pad 1 and crank 7 through two at least connecting rods 2, when avoiding being connected between connecting rod 2 and backup pad 1 or crank 7 not hard up, be difficult to accomplish the installation to crank pin assembly 8. Wherein, at least two connecting rods 2 and the traction mechanism 3 can be uniformly arranged in the same plane or can be randomly arranged.
The embodiment of the utility model provides an in, except making two at least connecting rods 2 and drive mechanism 3 be located the coplanar, two at least connecting rods 2 and drive mechanism 3 also can not be located the coplanar, and two at least connecting rods 2 can encircle drive mechanism 3 and arrange this moment to can increase the fixed density between backup pad 1 and the crank 7, improve backup pad 1 and crank 7's relative stability. For example, when the crank pin assembly 8 mounting means includes 3 connecting rods 2, the 3 connecting rods 2 may be distributed around the traction mechanism 3 in a triangular shape, thereby increasing the fixing density between the support plate 1 and the crank 7.
The embodiment of the utility model provides an in, when installing crank pin assembly 8 through drive mechanism 3, in a possible implementation, as shown in fig. 2, drive mechanism 3 can include traction lever 31 and swivel nut 32, is provided with first through-hole in the backup pad 1, and traction lever 31 passes first through-hole, and the first end of traction lever 31 is used for the threaded end fixed connection with crank pin assembly 8, and the second end spiro union of traction lever 31 has swivel nut 32. The draw bar 31 can drive the crank pin assembly 8 to move towards the direction of the support plate 1 during the process of screwing the rotating nut 32. Wherein the swivel nut 32 and the at least one connecting rod 2 are located at both sides of the support plate 1.
Based on the above arrangement, the first end of the traction rod 31 passes through the first through hole and is fixedly connected with the threaded end of the crank pin assembly 8, the pushing screw rod passes through the first through hole, the rotating nut 32 is sleeved on the pushing screw rod, and then the rotating nut 32 can be slowly screwed, so that the rotating nut 32 can be screwed on the second end of the traction rod 31 under the limiting effect of the support plate 1, and the rotating nut 32 is screwed to be tightly attached to the support plate 1. At this time, the rotating nut 32 is continuously screwed, so that the first end of the traction rod 31 is urged to move towards the direction of the support plate 1 under the limit of the support plate 1, and then the traction rod 31 drives the crank pin assembly 8 to move synchronously, thereby realizing the installation of the crank pin assembly 8.
When the first end of the traction rod 31 is fixedly connected with the threaded end of the crank pin assembly 8, in a possible implementation manner, the first end of the traction rod 31 may be provided with an external thread, and the end face of the threaded end of the crank pin assembly 8 may be provided with a matched internal thread groove, so that the first end of the traction rod 31 may be fixedly connected with the threaded end of the crank pin assembly 8 in the external thread and internal thread groove manner.
In another possible implementation, since the threaded end of the crank pin assembly 8 has a machined external thread, in order to avoid increasing the machining process of the crank pin assembly 8, the fixed connection between the first end of the drawbar 31 and the threaded end of the crank pin assembly 8 may be achieved by a separately provided draw nut 33. As shown in fig. 2, the pulling mechanism 3 may further include a pulling nut 33, one end of the pulling nut 33 is fixedly connected to the first end of the pulling rod 31, and the other end of the pulling nut 33 is fixedly connected to the threaded end of the crank pin assembly 8.
The draw nut 33 may be a columnar structure, and the draw nut 33 is axially provided with a step-shaped threaded through hole, so that the internal threads at the two ends of the draw nut 33 may be respectively in threaded connection with the first end of the draw bar 31 and the threaded end of the crank pin assembly 8.
Of course, in order to quickly achieve the connection between the traction rod 31 and the crank pin assembly 8, in yet another possible implementation, as shown in fig. 3, the traction mechanism 3 may further include a fixing latch 34, an end surface of a first end of the traction rod 31 is provided with a groove capable of housing a threaded end of the crank pin assembly 8, and the first end of the traction rod 31 is provided with a second through hole penetrating the groove in a radial direction. The fixing latch 34 serves to fix the traction rod 31 and the crank pin assembly 8 through the second through hole and a third through hole radially provided at the threaded end of the crank pin assembly 8.
Wherein, the screw thread end of crank pin assembly 8 is provided with the third through-hole along radial, and cover the recess of the first end of traction lever 31 behind the screw thread end of crank pin assembly 8, and second through-hole and third through-hole can coincide to be convenient for pass second through-hole and third through-hole with fixed bolt 34, realize traction lever 31 and crank pin assembly 8 fixed at length direction, thereby when the first end of traction lever 31 moves to the direction of backup pad 1, can drive crank pin assembly 8 and move to the direction of backup pad 1 in step, realize the installation of crank pin assembly 8.
In the embodiment of the present application, when the swivel nut 32 is tightened to urge the first end of the drawbar 31 to move toward the support plate 1, in order to facilitate the operation of the operator, the drawbar mechanism 3 further includes a spacer 35 and/or a bearing washer 36, and the spacer 35 and/or the bearing washer 36 is sleeved on the drawbar 31 and is located between the support plate 1 and the swivel nut 32.
As shown in fig. 2, the traction mechanism 3 includes a washer 35 and a bearing washer 36. The bearing washer 36 may be a thrust ball bearing, so that when the swivel nut 32 is screwed, the friction between the swivel nut 32 and the support plate 1 is reduced, the operation difficulty of the operator is reduced, and the installation efficiency of the crank pin assembly 8 is improved.
In the embodiment of the present application, when driving the crank pin assembly 8 to move through the traction mechanism 3, each connecting rod 2 and the supporting plate 1 as a whole all receive the acting force towards the crank 7, at this time, in a possible implementation manner, as shown in fig. 4, the side of the first end of each connecting rod 2 may be provided with the limiting table 21, and it is ensured that the limiting table 21 can be clamped on one side of the stroke hole on the crank 7. In this way, the relative fixation between each connecting rod 2 and the crank 7 can be realized under the limiting action of the limiting table 21 and the action force exerted by each connecting rod 2 on the crank 7.
In addition, when the crank pin assembly 8 is installed, the installation of the installation device of the crank pin assembly 8 can be realized only by inserting the first end of each connecting rod 2 into the stroke hole on the crank 7 and limiting through the limiting table 21 arranged on each connecting rod 2, so that the installation efficiency of the crank pin assembly 8 is improved.
In another possible implementation, as shown in fig. 5, the crank pin assembly 8 mounting device includes a fixing nut 4, the first end of each connecting rod 2 is used for passing through a stroke hole on the crank 7, a pair of fixing nuts 4 are screwed on each connecting rod 2, and the pair of fixing nuts 4 can be screwed on two sides of the crank 7.
Based on the above arrangement, when the crank pin assembly 8 is installed, the first end of each connecting rod 2 can sequentially pass through the first fixing nut 4 of the pair of fixing nuts 4, the stroke hole on the crank 7, and the second fixing nut 4 of the pair of fixing nuts 4, and then the first fixing nut 4 and the second fixing nut 4 can be screwed on two sides of the crank 7, so that the connecting rod 2 is fixedly connected with the crank 7 along the length direction.
Further, as shown in fig. 5, the crank pin assembly 8 mounting device may further include a first fixing plate 5 and a second fixing plate 6, wherein a conical boss is disposed on one side of the first fixing plate 5, and a circular boss is disposed on one side of the second fixing plate 6. Every connecting rod 2 all overlaps and has first fixed plate 5 and second fixed plate 6, and circular boss is relative, and first fixed plate 5 and second fixed plate 6 are located between a pair of fixation nut 4, and circular boss can block in the stroke hole.
Based on the above setting, because the circular boss that the circular boss that set up in cone boss and the 6 one side of second fixed plate that 5 one side of first fixed plate set up can block in the stroke hole on crank 7 to when screwing a pair of fixation nut 4 in crank 7's both sides, can be spacing to radial the carrying on of every connecting rod 2 through cone boss and circular boss, thereby avoid when installation crank pin assembly 8, rocking of every connecting rod 2 along radially taking place.
It should be noted that, when each connecting rod 2 and the crank 7 are fixedly connected through the stroke holes on the crank 7, each connecting rod 2 and the traction mechanism 3 are located in the same plane, and the shortest distance between any two members of at least one connecting rod 2 and the traction mechanism 3 may be equal to the distance between two adjacent stroke holes on the crank 7.
When the crank pin assembly 8 is located in the stroke hole of the crank 7 other than the edge stroke hole, at least one connecting rod 2 may be located on both sides of the traction mechanism 3, so that the installation of the crank pin assembly 8 may be accomplished by the crank pin assembly 8 installation device as shown in fig. 5. When the crank pin assembly 8 is located in the side-stroke hole in the crank 7, at least one of the connecting rods 2 is located on the same side of the traction mechanism 3, so that the installation of the crank pin assembly 8 can be achieved by the crank pin assembly 8 installation device as shown in fig. 6.
The embodiment of the utility model provides an in, because the first end of every connecting rod can with crank fixed connection, the second end and the backup pad fixed connection of every connecting rod, can be with backup pad and crank relatively fixed through at least one connecting rod like this. And then, a traction rod included by the traction mechanism penetrates through the first through hole in the supporting plate and is fixedly connected with the threaded end of the crank pin assembly, and then a rotating nut is screwed on the traction rod and is screwed to be tightly attached to the supporting plate. And then can impel the traction lever to the direction motion of keeping away from the crank at the in-process of continuing to screw swivel nut, and then drive the crank pin assembly to the direction motion of being close to the backup pad to realized the installation of crank pin assembly, avoided the scrapping of crank pin assembly that causes when knocking the bearing end of crank pin assembly.
The above description is only illustrative of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A crank pin assembly mounting arrangement, characterized in that the crank pin assembly mounting arrangement comprises a support plate (1), at least one connecting rod (2) and a traction mechanism (3);
the first end of each connecting rod (2) in the at least one connecting rod (2) is fixedly connected with a crank, and the second end of each connecting rod (2) is fixedly connected with the supporting plate (1);
the first end of the traction mechanism (3) is connected with the supporting plate (1), and the second end of the traction mechanism (3) is used for drawing the crank pin assembly to move towards the direction of the supporting plate (1).
2. A crank pin assembly mounting arrangement according to claim 1, wherein the pulling mechanism (3) comprises a pulling rod (31) and a swivel nut (32), the support plate (1) being provided with a first through hole;
the draw bar (31) penetrates through the first through hole, the first end of the draw bar (31) is fixedly connected with the threaded end of the crank pin assembly, and the second end of the draw bar (31) is in threaded connection with the rotating nut (32);
the traction rod (31) can drive the crank pin assembly to move towards the direction of the support plate (1) in the process of screwing the rotating nut (32).
3. A crank pin assembly mounting arrangement according to claim 2, wherein the pulling mechanism (3) further comprises a pulling nut (33), one end of the pulling nut (33) being fixedly connected to a first end of the pull rod (31), the other end of the pulling nut (33) being adapted to be fixedly connected to a threaded end of the crank pin assembly.
4. A crank pin assembly mounting arrangement as claimed in claim 2, wherein the pulling mechanism (3) further comprises a fixing latch (34);
a groove is formed in the end face of the first end of the traction rod (31), the groove can be covered on the threaded end of the crank pin assembly, and a second through hole penetrating through the groove is formed in the first end of the traction rod (31) in the radial direction;
the fixing bolt (34) is used for fixing the traction rod (31) and the crank pin assembly through the second through hole and a third through hole which is radially arranged at the threaded end of the crank pin assembly.
5. A crank pin assembly mounting arrangement according to claim 2, wherein the traction mechanism (3) further comprises a washer (35) and/or a bearing washer (36);
the shim (35) and/or the bearing washer (36) are/is sleeved on the traction rod (31) and are positioned between the support plate (1) and the rotating nut (32).
6. A crank pin assembly mounting arrangement according to any one of claims 1-5, wherein the crank pin assembly mounting arrangement includes a retaining nut (4);
the first end of each connecting rod (2) is used for penetrating through a stroke hole in the crank, a pair of fixing nuts (4) are connected to each connecting rod (2) in a threaded mode, and the pair of fixing nuts (4) can be screwed on two sides of the crank.
7. A crank pin assembly mounting arrangement according to claim 6, further comprising a first fixing plate (5) and a second fixing plate (6), wherein one side of the first fixing plate (5) is provided with a conical boss and one side of the second fixing plate (6) is provided with a circular boss;
the first fixing plate (5) and the second fixing plate are sleeved on each connecting rod (2), the conical boss is opposite to the circular boss, the first fixing plate (5) and the second fixing plate are located between the pair of fixing nuts (4), and the conical boss and the circular boss can be clamped in the stroke hole.
8. A crankpin assembly mounting arrangement according to claim 1, characterised in that the crankpin assembly mounting arrangement comprises at least two connecting rods (2), the at least two connecting rods (2) and the traction mechanism (3) being located in the same plane.
9. A crank pin assembly mounting arrangement according to claim 1, wherein the first end of each connecting rod (2) is flanked by a stop (21), the stop (21) being adapted to be snapped into position on the crank on one side of the stroke hole.
10. A crank pin assembly mounting arrangement according to claim 1, wherein the second end of each connecting rod (2) is welded to the support plate (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920379410.XU CN210060964U (en) | 2019-03-22 | 2019-03-22 | Crank pin assembly mounting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920379410.XU CN210060964U (en) | 2019-03-22 | 2019-03-22 | Crank pin assembly mounting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210060964U true CN210060964U (en) | 2020-02-14 |
Family
ID=69434585
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920379410.XU Active CN210060964U (en) | 2019-03-22 | 2019-03-22 | Crank pin assembly mounting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210060964U (en) |
-
2019
- 2019-03-22 CN CN201920379410.XU patent/CN210060964U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN210060964U (en) | Crank pin assembly mounting device | |
| CN201880801U (en) | Locking device for connecting tapered wedge mechanism with driving air cylinder in stamping die | |
| CN218364519U (en) | Flange dismounting device | |
| CN210132452U (en) | Crank pin assembly dismounting device | |
| CN102085545B (en) | Anti-loosening device for connection between wedge mechanism and drive cylinder in stamping mould | |
| CN210281302U (en) | Hydraulic dismounting tool for engine cylinder sleeve | |
| CN201166025Y (en) | Hydraulic cylinder head and rail connection pin and connection device | |
| CN211841812U (en) | Tool for disassembling bolt of blade root of wind generating set | |
| CN112122649A (en) | Drilling and riveting pin device and method for bevel pinion of motor shaft of speed reducer | |
| CN108656024B (en) | Spring cylinder spring and assembling tool and method thereof | |
| CN218217027U (en) | Motor encoder dismantles tongs device | |
| CN202155849U (en) | Tensioning device for feed inlets of oil delivery pumps with bent levers | |
| CN211231140U (en) | Bolt device capable of being fastened and loosened quickly | |
| CN215148707U (en) | Durable gear pulling and poking device | |
| CN111136612A (en) | Special tool for disassembling regulating and controlling gear of locomotive diesel engine | |
| CN212935682U (en) | Support for generator | |
| CN218428105U (en) | Dismounting device of torque-limiting type hydraulic coupler | |
| CN212020617U (en) | Oil field crank pin dismounting device | |
| CN214980738U (en) | Novel bearing is dismantled device | |
| CN217221607U (en) | Locking device for beam and foundation of gyratory crusher | |
| CN219404164U (en) | Tightening tool for groove-type nut at output end | |
| CN217452517U (en) | Heating wire fixing structure for reflow soldering | |
| CN218239290U (en) | Wind turbine generator system bolt monitoring devices | |
| CN216504848U (en) | Bearing puller | |
| CN211778801U (en) | Conical connecting rod transmission mechanism |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |