CN214887662U - Drawable clamp and plunger pump - Google Patents

Abstract

The utility model discloses a can draw bail and plunger pump, can draw the bail including first clamp and second clamp, first clamp includes first half groove, the second clamp includes second half groove, first half groove with second half groove cooperation forms the accommodation space, first clamp with the connection can be dismantled to the second clamp, first clamp with be provided with on at least one in the second clamp and draw the hole, can draw the bail and be used for the plunger pump, connect the pull rod and the plunger joint of plunger pump. Adopt the utility model discloses, set up on the clamp and draw the hole, adopt the mode of drawing to dismantle the clamp, easy operation practices thrift the manpower, dismantles the back clamp moreover and can remove the clamp through drawing the hole and drawing the instrument connection, and the clamp can not drop.

Description

Drawable clamp and plunger pump

Technical Field

The utility model relates to a clamp technical field especially relates to a can draw clamp and plunger pump.

Background

At present, fracturing construction operation in oil and gas field exploitation is a main yield increasing mode, a plunger pump is main equipment for pumping fracturing medium under high pressure in the oil and gas field exploitation yield increasing operation, and when the plunger pump works, a clamp fixes a plunger and a pull rod together, so that the pull rod drives the plunger to do linear reciprocating motion. Because the plunger is the vulnerable part, when the plunger need be changed unusually, need dismantle the clamp, and the clamp links together plunger and pull rod through interference fit, and it is more difficult to dismantle, wastes time and energy, influences the operating efficiency.

The current dismantlement mode of clamp on the present plunger pump is: the hammer is used by the maintenance personnel to continuously knock the clamp to loosen and then disassemble the clamp, the disassembling space is narrow, the interference magnitude is large after part of the clamp is used, the disassembling is difficult, the clamp can be disassembled in a long time, and the on-site operation efficiency is influenced. When the plunger pump is maintained, because operating space is narrow and small, the operation workman need lie prone and dismantle the hoop on the spacer. The clamp is composed of two parts: an upper clamp and a lower clamp. When dismantling the clamp, need personnel to stretch the hand below last clamp, upwards strike last clamp with the help of the power of wrist, make it become flexible. And inside the clamp becomes flexible the back and falls the plunger pump, whole dismantlement process is wasted time and energy.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a can draw bail and plunger pump to the problem that the bail is difficult to the dismantlement among the solution prior art.

In order to solve the above problem, the utility model adopts the following technical scheme:

the utility model provides a can draw clamp, includes first clamp and second clamp, first clamp includes first half groove, the second clamp includes second half groove, first half groove with the cooperation of second half groove forms the accommodation space, first clamp with the connection can be dismantled to the second clamp, first clamp with be provided with on at least one in the second clamp and draw the hole.

The utility model provides a plunger pump, includes plunger, pull rod and foretell clamp of drawing, the tip of plunger with the tip of pull rod is located respectively the accommodation space, first clamp with the second clamp connection will the plunger with the pull rod is connected.

The utility model discloses a technical scheme can reach following beneficial effect:

adopt the utility model discloses, set up on the clamp and draw the hole, adopt the mode of drawing to dismantle the clamp, easy operation practices thrift the manpower, dismantles the back clamp moreover and can remove the clamp through drawing the hole and drawing the instrument connection, and the clamp can not drop.

Drawings

The accompanying drawings, which are described herein, serve to provide a further understanding of the invention and constitute a part of this specification, and the exemplary embodiments and descriptions thereof are provided for explaining the invention without unduly limiting it. In the drawings:

FIG. 1 is a schematic view of the drawable clamp of the present invention;

FIG. 2 is a schematic view of the drawable clamp of the present invention;

FIG. 3 is a sectional view of the drawable clamp of the present invention;

fig. 4 is a schematic structural view of a drawable ferrule according to another embodiment of the present invention;

fig. 5 is a schematic structural diagram of the plunger pump of the present invention.

Description of reference numerals:

10 first clamp

11 first half groove

12 drawing hole

13 raised part

20 second clip

21 second half groove

31 threaded hole

32 through hole

40 draw bar

50 plunger

Detailed Description

To make the purpose, technical solution and advantages of the present invention clearer, the following will combine the embodiments of the present invention and the corresponding drawings to clearly and completely describe the technical solution of the present invention. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The technical solutions disclosed in the embodiments of the present invention are described in detail below with reference to the accompanying drawings.

As shown in fig. 1-4, the utility model provides a can draw clamp, this can draw clamp includes first clamp 10 and second clamp 20, first clamp 10 includes first half groove 11, second clamp 20 includes second half groove 21, first half groove 11 with second half groove 21 cooperation forms the accommodation space, first clamp 10 with the connection can be dismantled to second clamp 20, first clamp 10 with be provided with on at least one in the second clamp 20 and draw hole 12.

The utility model discloses a when can draw clamp use, with the cooperation of first clamp 10 and second clamp 20, the first half groove 11 of first clamp 10 and the half groove 21 of second clamp 20 are relative, form the accommodation space, treat that the component of joint is located this accommodation space, first clamp 10 with second clamp 20 connects to the component connection of joint will be treated, when the component of connection separates, first clamp 10 with second clamp 20 removes to connect, and drawing instrument is connected with first clamp 10 or second clamp 20 through drawing hole 12, draws first clamp 10 or second clamp 20 to the component that leaves the connection, removes another in first clamp 10 or the second clamp 20 again, can realize the separation of the component of connecting.

For example, in the present invention, the connection pull rod 40 and the plunger 50 are exemplified, when the drawable clamp is used, the first clamp 10 and the second clamp 20 are engaged, the first half-groove 11 of the first clamp 10 is opposite to the second half-groove 21 of the second clamp 20 to form an accommodating space, the connection point of the pull rod 40 and the plunger 50 is located in the accommodating space, the first clamp 10 is connected to the second clamp 20, so as to connect the pull rod 40 and the plunger 50 together, the first clamp 10 is disconnected from the second clamp 20, the drawing tool is connected to the first clamp 10 or the second clamp 20 through the drawing hole 12, the first clamp 10 or the second clamp 20 is drawn to leave the pull rod 40 and the plunger 50, and then the other one of the first clamp 10 or the second clamp 20 is removed, so as to separate the pull rod 40 from the plunger 50.

Adopt the utility model discloses, set up on the clamp and draw hole 12, the mode of adopting to draw is dismantled the clamp, and easy operation practices thrift the manpower, dismantles the back clamp moreover and can remove the clamp through drawing hole 12 and drawing the instrument connection, and the clamp can not drop.

The utility model discloses well draw hole 12 can set up on one of them of first clamp 10 and second clamp 20, perhaps all set up on first clamp 10 and the second clamp 20 and draw hole 12, in this embodiment with be provided with on the first clamp 10 draw hole 12 to explain.

The utility model discloses in draw hole 12 to be the screw hole. The drawing tool is also provided with threads, the threads on the drawing tool are in threaded connection with the threaded hole of the drawing hole 12, the drawing tool is connected with the first clamp 10, and then the first clamp 10 is drawn by the drawing tool to be away from the pull rod 40 and the plunger 50.

The first clip 10 and the second clip 20 may be formed by connecting the plunger 50 and the pull rod 40 together by interference fit. Therefore draw first clamp 10 and second clamp 20 to when leaving pull rod 40 and plunger 50, need exert certain power to first clamp 10 or second clamp 20, the utility model discloses can exert certain power to first clamp 10 or second clamp 20 with the drawing instrument, when first clamp 10 or second clamp 20 left pull rod 40 and plunger 50 simultaneously, first clamp 10 or second clamp 20 still are in the state of being connected with the drawing instrument, therefore first clamp 10 or second clamp 20 can not drop the job site.

The utility model discloses a draw hole 12 can set up the optional position at first clamp 10, as long as can draw first clamp 10 to leaving pull rod 40 and plunger 50, this embodiment is preferred to be drawn the hole 12 and is set up the middle part of first clamp 10 can be operated the middle part of first clamp 10 like this for first clamp 10 atress is even, breaks away from the junction of pull rod 40 and plunger 50 more easily.

The drawing hole 12 is directed towards the side of the first clip 10 facing away from the first half slot 11. Facilitating the connection of the pulling tool and the pulling hole 12 and also facilitating the pulling of the first clamp 10 in a direction away from the first half groove 11. The drawing hole 12 may be a blind hole, which may improve the strength of the first yoke 10, or the drawing hole 12 may penetrate the first yoke 10. This facilitates the processing.

In the embodiment of the utility model, the deviation of first clamp 10 one side of first half groove 11 is provided with bellying 13, draw the hole 12 setting and be in on the bellying 13. The protruding portion 13 is arranged, the drawing hole 12 is formed in the protruding portion 13, and therefore the problem that the strength of the first clamp 10 is affected by the drawing hole 12 directly formed in the first clamp 10 can be avoided. Ensuring that the first clip 10 and the second clip 20 cooperate to securely connect the connecting rod and the plunger 50. The boss 13 may be integrally formed with the first clip 10.

The first clamp 10 and the second clamp 20 can be detachably connected in any way, and in the embodiment of the present invention, the first clamp 10 and the second clamp 20 are connected by a screw thread. One of the first clamp 10 and the second clamp 20 is provided with a threaded hole 31, the other one of the first clamp 10 and the second clamp 20 is provided with a through hole 32, and the threaded hole 31 and the through hole 32 are aligned and then connected through a bolt or a screw. Preferably, a threaded hole 31 is formed in the second clamp 20, a through hole 32 is formed in the first clamp 10, and the threaded hole 31 and the through hole 32 are aligned and then connected through a bolt or a screw.

The embodiment of the present invention may also be that the first clamp 10 and the second clamp 20 have two ends respectively, two ends of the first clamp 10 set up the first connection portion respectively, two ends of the second clamp 20 set up the second connection portion respectively, the first connection portion and the second connection portion set up the through hole 32 respectively, just the first connection portion the through hole 32 with the second connection portion the through hole 32 aligns the back and passes through bolted connection.

When dismantling first clamp 10, can dismantle the bolt of tip with the allen key, simultaneously, can twist into drawing hole 12 with drawing tool, the reuse drawing tool is drawn first clamp 10, makes first clamp 10 drop from pull rod 40 and plunger 50. The second clip 20 can be knocked by a hex wrench to disengage the second clip 20 from the pull rod 40 and the plunger 50. If the second yoke 20 is also provided with the drawing hole 12, the second yoke 20 can be drawn by a drawing tool. The upper clamp can be prevented from falling into the plunger pump to influence the operation efficiency, and the labor and the working time can be saved.

As shown in fig. 2 and 5, the utility model also provides a plunger pump, plunger pump includes plunger 50, pull rod 40 and the aforesaid can draw the clamp, the tip of plunger 50 and the tip of pull rod 40 are arranged in the accommodation space respectively, first clamp 10 and second clamp 20 are connected and are connected plunger 50 and pull rod 40, during the dismantlement, can dismantle the bolt of first clamp 10 tip with the allen key, simultaneously, can twist to drawing hole 12 with drawing the instrument, reuse drawing instrument draws first clamp 10, make first clamp 10 drop from pull rod 40 and plunger 50. The second clip 20 can be knocked by a hex wrench to disengage the second clip 20 from the pull rod 40 and the plunger 50. If the second yoke 20 is also provided with the drawing hole 12, the second yoke 20 can be drawn by a drawing tool. When the upper clamp is disassembled, the upper clamp can be prevented from falling into the interior of the plunger pump to influence the operation efficiency, and the labor and the working time can be saved.

The utility model discloses what the key description in the above embodiment is different between each embodiment, and different optimization characteristics are as long as not contradictory between each embodiment, all can make up and form more preferred embodiment, consider that the literary composition is succinct, then no longer describe here.

The above description is only an example of the present invention, and is not intended to limit the present invention. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.

Claims (11)

1. The utility model provides a can draw clamp, its characterized in that includes first clamp (10) and second clamp (20), first clamp (10) are including first half groove (11), second clamp (20) are including second half groove (21), first half groove (11) with second half groove (21) cooperation forms the accommodation space, first clamp (10) with second clamp (20) can dismantle the connection, first clamp (10) with be provided with on at least one in second clamp (20) and draw hole (12).

2. The drawable clamp according to claim 1, wherein the first clamp band (10) is provided with the drawing hole (12), and the drawing hole (12) is a threaded hole.

3. The drawable clamp according to claim 2, characterized in that the drawing aperture (12) is provided in the middle of the first clamp band (10).

4. Drawable clamp according to claim 3, characterized in that the drawing aperture (12) is directed towards the side of the first clamp (10) facing away from the first half groove (11).

5. Drawable clamp according to claim 3, characterized in that the drawing aperture (12) extends through the first clamp band (10).

6. Drawable clamp according to claim 4, characterized in that the side of the first clamp (10) facing away from the first half groove (11) is provided with a protrusion (13), the drawing aperture (12) being provided on the protrusion (13).

7. The drawable clamp according to claim 1, characterized in that the first clamp band (10) and the second clamp band (20) are connected by means of a screw thread.

8. A pullable clamp according to claim 7, wherein a threaded hole (31) is provided in one of the first clamp (10) and the second clamp (20), and a through hole (32) is provided in the other of the first clamp (10) and the second clamp (20), the threaded hole (31) and the through hole (32) being aligned and connected by a bolt or a screw.

9. Drawable clamp according to claim 8, wherein the threaded hole (31) is provided in the second clamp (20) and the through hole (32) is provided in the first clamp (10), the threaded hole (31) and the through hole (32) being aligned and connected by means of a bolt or screw.

10. The pullable clamp of claim 7, wherein the first clamp and the second clamp each have two ends, the two ends of the first clamp each have a first connection portion, the two ends of the second clamp each have a second connection portion, the first connection portion and the second connection portion each have a through hole, and the through holes of the first connection portion and the second connection portion are aligned and then bolted together.

11. Plunger pump, characterized in that it comprises a plunger (50), a tie rod (40) and a drawable clip according to any one of claims 1 to 10, the ends of the plunger (50) and of the tie rod (40) being located in the housing spaces, respectively, the first clip (10) and the second clip (20) being connected to connect the plunger (50) and the tie rod (40).

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