CN212372110U

CN212372110U - Pin shaft dismounting device for screw pump

Info

Publication number: CN212372110U
Application number: CN202022067315.1U
Authority: CN
Inventors: 蔡亮; 王兴福; 刘文镔; 霍文志
Original assignee: Chongqing Jiasheng Environmental Protection Engineering Co ltd
Current assignee: Chongqing Jiasheng Environmental Protection Engineering Co ltd
Priority date: 2020-09-21
Filing date: 2020-09-21
Publication date: 2021-01-19
Anticipated expiration: 2030-09-21

Abstract

The utility model discloses a pin shaft dismounting device for a screw pump, which comprises a hoop A (1) and a hoop B (2) which are arranged in half, wherein the hoop A (1) and the hoop B (2) are both provided with a connecting plate (3), and the end head of the outer end of the connecting plate (3) is provided with a stop bolt (4); and the hoop A (1) or the hoop B (2) is provided with a connecting bolt (5) for connecting the hoop A (1) or the hoop B (2). The utility model has the advantages of simple structure, convenient operation, low cost adopt it can be convenient fast compress the rubber sleeve, remove the axle sleeve simultaneously for the round pin axle exposes, makes things convenient for the dismantlement of round pin axle, has not only improved work efficiency, has improved the operational safety moreover, the cost is reduced.

Description

Pin shaft dismounting device for screw pump

Technical Field

The utility model relates to a round pin axle dismounting device, especially a round pin axle dismounting device for screw pump.

Background

At present, the existing screw pump mainly comprises a screw pump rotor shaft and a host transmission shaft, the screw pump rotor shaft is connected with the host transmission shaft through a pin shaft, a shaft sleeve with two ends provided with matched inclined planes is arranged at the joint of the pin shaft, and a rubber sleeve is sleeved outside the shaft sleeve. When needs are dismantled rotor shaft and host computer transmission shaft, because the restriction of the intensity of rubber sleeve and operating space, it is very difficult to dismantle the pivot at every turn, generally adopts tools such as manpower and crow bar to overturn the rubber sleeve outwards by force, just can expose the pivot with the axle sleeve rearward movement, demolishs it again. Although this method is feasible, the method is dangerous and slow, and in most cases, the pin can be removed only by destroying the rubber sleeve, which not only has low working efficiency but also has potential safety hazard, and meanwhile, the cost is increased correspondingly due to the destruction of the rubber sleeve.

The special tool for disassembling and assembling the screw pump disclosed in the chinese patent 2014206322714 is used for disassembling and assembling the stator and the rotor of the screw pump by matching with the screw pump bracket. The special tool for disassembling and assembling the screw pump comprises a top plate, a bottom plate, a screw rod fixedly connected with the top plate and the bottom plate, clamping pieces arranged between the top plate and the bottom plate and used for locking a stator of the screw pump, and a plurality of rollers matched with a screw pump support, wherein the rollers can roll back and forth in the axial direction of the screw pump on the contact surface of the rollers and the screw pump support, so that the special tool for disassembling and assembling the screw pump and the stator are together in the axial direction of the screw pump and can move back and forth. The utility model discloses screw pump dismouting specialized tool can control the irregular swing of screw rod among the screw pump dismouting operation process, improves the security to improve screw pump dismouting operation work efficiency, shorten operating time, reduce operating personnel working strength. It can only be used for dismantling the stator, the rotor of screw pump, can't dismantle the round pin axle of screw pump.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a can be quick convenient carry out the round pin axle dismounting device who is used for screw pump of dismantling to the round pin axle.

The utility model aims at realizing through the technical scheme, a pin shaft dismounting device for a screw pump, which comprises a hoop A and a hoop B which are arranged in half, wherein the hoop A and the hoop B are both provided with a connecting plate, and the end heads of the outer ends of the connecting plates are both provided with stop bolts; and the hoop A or the hoop B is provided with a connecting bolt for connecting the hoop A or the hoop B.

The inner diameter formed by matching the hoop A and the hoop B is the same as the outer diameter of the shaft sleeve on the screw pump, and inclined planes matched with the end of the shaft sleeve are arranged on the inner walls of the hoop A1 and the hoop B2.

Further, the inner diameter formed by matching the hoop A and the hoop B is the same as the outer diameter of the shaft sleeve on the screw pump.

Furthermore, the stop bolt is perpendicular to the connecting plate and penetrates through the end head of the outer end of the connecting plate.

In order to facilitate the fastening of the hoop A and the hoop B on the shaft sleeve, locking bolts penetrating through the hoop A and the hoop B are arranged on the hoop A and the hoop B.

The four locking bolts are uniformly distributed on the hoop A and the hoop B.

In order to be connected with a transmission main body of the screw pump conveniently and with balanced stress, the connecting plate on the hoop A is connected with the outer wall of the middle of the hoop A, the connecting plate on the hoop B is connected with the outer wall of the middle of the hoop B, and the connecting plate on the hoop A and the connecting plate on the hoop B are located on the same vertical axis.

Since the technical scheme is used, the utility model has the advantages of simple structure, convenient operation, low cost, adopt it can be fast convenient compress the rubber sleeve, remove the axle sleeve simultaneously for the round pin axle exposes, makes things convenient for the dismantlement of round pin axle, has not only improved work efficiency, has improved the operational safety moreover, the cost is reduced.

Drawings

The drawings of the utility model are as follows:

fig. 1 is a schematic structural view of the present invention;

fig. 2 is a first usage state reference diagram of the present invention;

fig. 3 is a second usage-like reference diagram of the present invention.

Detailed Description

The following detailed description of the embodiments of the present invention will be provided with reference to the accompanying drawings, but the present invention is not limited to these embodiments, and any modifications or substitutions in the basic spirit of the embodiments will still fall within the scope of the present invention as claimed in the appended claims.

Example 1: as shown in fig. 1, 2 and 3, the pin shaft dismounting device for the screw pump comprises a hoop a1 and a hoop B2 which are arranged in half, wherein the hoop a1 and the hoop B2 are both provided with a connecting plate 3, and the outer end heads of the connecting plate 3 are both provided with stop bolts 4; and the hoop A1 or the hoop B2 is provided with a connecting bolt 5 for connecting the hoop A1 or the hoop B2.

The inner diameter formed by matching the hoop A1 and the hoop B2 is the same as the outer diameter of the shaft sleeve 7 on the screw pump, and inclined planes 8 matched with the end of the shaft sleeve 7 are arranged on the inner wall of the hoop A1 and the inner wall of the hoop B2.

Further described, the stop bolt 4 is arranged perpendicular to the connecting plate 3 and penetrates through the end head of the outer end of the connecting plate 3.

In order to facilitate the fastening of the hoop A and the hoop B on the shaft sleeve, locking bolts 6 penetrating through the hoop A1 and the hoop B2 are arranged on the hoop A1 and the hoop B2.

Wherein, in order to improve the fastening effect, locking bolt 6 is four and equipartition on staple bolt A1 and staple bolt B2.

Further, the connecting plate 3 of the hoop a1 is connected to the middle outer wall of the hoop a1, the connecting plate 3 of the hoop B2 is connected to the middle outer wall of the hoop B2, and the connecting plate 3 of the hoop a1 and the connecting plate 3 of the hoop B2 are located on the same vertical axis.

The utility model discloses a use like this: the hoop A1 and the hoop B2 are clamped at the shaft sleeve 7, then the hoop A1 and the hoop B2 are connected together through the connecting bolt 5, and the connection between the hoop A1 and the hoop B2 and the shaft sleeve 7 is locked through the locking bolt 6; and finally, connecting the flange plate 10 on the transmission main body 9 through the stop bolt 4. The stop bolt 4 is rotated to enable the hoop A1 and the hoop B2 to move, the moving hoop A1 and the moving hoop B2 can move the shaft sleeve 7 in the positive and negative directions by utilizing the designed inclined surface 8 and the stop bolt 4, the rubber sleeve 12 is compressed, and the shaft sleeve 7 is exposed out of the shaft pin 11, so that the dismounting can be realized; the installed axle pin 11 can be covered again by a reverse movement of the retaining bolt 4.

Claims

1. The utility model provides a round pin axle dismounting device for screw pump, characterized by: the device comprises a hoop A (1) and a hoop B (2) which are arranged in half, wherein connecting plates (3) are arranged on the hoop A (1) and the hoop B (2), and stop bolts (4) are arranged at the ends of the outer ends of the connecting plates (3); and the hoop A (1) or the hoop B (2) is provided with a connecting bolt (5) for connecting the hoop A (1) or the hoop B (2).

2. The pin dismounting device for screw pump according to claim 1, characterized in that: the inner diameter formed by matching the hoop A (1) and the hoop B (2) is the same as the outer diameter of the shaft sleeve (7) on the screw pump, and inclined planes (8) matched with the end of the shaft sleeve (7) are arranged on the inner wall of the hoop A (1) and the inner wall of the hoop B (2).

3. The pin dismounting device for screw pump according to claim 2, characterized in that: the stop bolt (4) is perpendicular to the connecting plate (3) and penetrates through the end head of the outer end of the connecting plate (3).

4. The pin dismounting device for screw pump according to claim 3, characterized in that: and locking bolts (6) penetrating through the hoops A (1) and B (2) are arranged on the hoops A (1) and B (2).

5. The pin dismounting device for screw pump according to claim 4, characterized in that: the four locking bolts (6) are uniformly distributed on the hoop A (1) and the hoop B (2).

6. The pin dismounting device for screw pump according to claim 5, characterized in that: the connecting plate (3) on the hoop A (1) is connected with the outer wall of the middle of the hoop A (1), the connecting plate (3) on the hoop B (2) is connected with the outer wall of the middle of the hoop B (2), and the connecting plate (3) on the hoop A (1) and the connecting plate (3) on the hoop B (2) are located on the same vertical axis.