CN214980607U

CN214980607U - Liquid nitrogen pump truck triplex pump high pressure U type pipe installation frock

Info

Publication number: CN214980607U
Application number: CN202121024397.XU
Authority: CN
Inventors: 范江; 赵国彬; 周付银; 冯玉声; 王绍红; 杨春锐; 陈阳关; 余文勇; 王宝堂; 黄霞
Original assignee: Sinopec Oilfield Service Corp; Sinopec Southwest Petroleum Engineering Co Ltd Downhole Operation Branch
Current assignee: Sinopec Oilfield Service Corp; Sinopec Southwest Petroleum Engineering Co Ltd Downhole Operation Branch
Priority date: 2021-05-13
Filing date: 2021-05-13
Publication date: 2021-12-03
Anticipated expiration: 2031-05-13

Abstract

The utility model discloses a liquid nitrogen pump truck triplex pump high pressure U type pipe installation frock, including adjusting the seat, adjust the seat and include spacing pipe box, two telescopic links and spring, two the hole that spacing pipe box was inserted to wherein one end of telescopic link and through spring elastic connection, two another tip of telescopic link is connected with the fixing base respectively. The utility model discloses in, when installing U type pipe, at first peg graft on the fixing base with the both ends of U type pipe, make clamping mechanism press from both sides at the vertical both ends of U type pipe, then the screw pole that rotates the positive and negative screw thread of rotatory outer tube messenger both ends drives the outside or inside clearance activity of U type pipe, realize that U type pipe opens the compensation of contraction angle, thereby guarantee that wherein one end at the vertical both ends of high-pressure U type pipe can parallel entering trigeminy pump cold junction cap, the parallel trigeminy pump high pressure manifold that gets into of the other end, effectively avoid trigeminy pump high pressure U type pipe to lead to appearing warping and the problem that cap screw thread and trigeminy pump high pressure manifold screw thread damaged.

Description

Liquid nitrogen pump truck triplex pump high pressure U type pipe installation frock

Technical Field

The utility model relates to a liquid nitrogen pump truck trigeminy pump high pressure U type pipe installation technical field especially relates to liquid nitrogen pump truck trigeminy pump high pressure U type pipe installation frock.

Background

When a triple pump high-pressure U-shaped pipe of a liquid nitrogen pump truck is installed, due to the stress action of a bent pipe, the U-shaped pipe is easy to rebound, the prior art is difficult to ensure that straight pipes at two ends of the U-shaped pipe parallelly enter a triple pump high-pressure manifold hole and a cold end cap, if the high-pressure U-shaped pipe is assembled to be deviated, the straight pipes and the triple pump cold end cap and the triple pump high-pressure manifold are translated upwards or downwards to generate large eccentricity, the high-pressure U-shaped pipe, the triple pump cold end cap and the triple pump high-pressure manifold are damaged by screw threads, and the liquid nitrogen leakage and the working load inconsistency of the triple pump are caused at the joint of the high-pressure U-shaped pipe, the triple pump cold end cap and the triple pump high-pressure manifold in the high-pressure construction process.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: the installation tool for the high-pressure U-shaped pipe of the triple pump of the liquid nitrogen pump truck is provided for solving the problems that the high-pressure U-shaped pipe of the triple pump is easy to deform and the cap head screw thread and the high-pressure manifold screw thread of the triple pump are damaged when the high-pressure U-shaped pipe of the triple pump is installed.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the liquid nitrogen pump truck triple pump high-pressure U-shaped pipe installation tool comprises an adjusting seat, wherein the adjusting seat comprises a limiting pipe sleeve, two telescopic rods and a spring, one end of each of the two telescopic rods is inserted into an inner hole of the limiting pipe sleeve and is elastically connected through the spring, the other end of each of the two telescopic rods is connected with a fixed seat, each fixed seat is provided with an insertion hole, the insides of the insertion holes are respectively inserted into the vertical two ends of the U-shaped pipe, the bottoms of the vertical two ends of the U-shaped pipe are respectively used for being connected with a triple pump cold end cap and a triple pump high-pressure manifold, clamping mechanisms are respectively arranged at the vertical two ends of the U-shaped pipe above the adjusting seat, an adjusting mechanism is arranged between the clamping mechanisms at the two ends of the U-shaped pipe and comprises a rotary outer pipe and two screw rods, one end of one screw rod is connected with one clamping mechanism, and one end of the other screw rod is connected with the other clamping mechanism, the other ends of the two screw rods are respectively screwed with the two ends of the inner hole of the rotary outer tube.

As a further description of the above technical solution:

clamping mechanism is including pressing from both sides tight piece one, pressing from both sides tight piece two and bolt, press from both sides and be provided with articulated piece on the tight piece one, press from both sides and be provided with articulated seat on the tight piece two, articulated piece is through pivot and articulated seat normal running fit, press from both sides tight piece one and press from both sides tight piece two and all have the mounting hole with the bolt adaptation, the bolt runs through the mounting hole and closes soon and be connected with the nut.

As a further description of the above technical solution:

two the equal fixedly connected with dead lever of telescopic link, the upper end of dead lever is equallyd divide and is connected with the guide pin bushing respectively, two the screw pole runs through the guide pin bushing respectively and with corresponding guide pin bushing sliding fit.

As a further description of the above technical solution:

and positive and negative threads are arranged at two ends of the inner hole of the rotary outer pipe.

As a further description of the above technical solution:

the section of the rotating outer pipe is of a regular hexagon structure.

To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:

1. use the utility model discloses during the U type pipe, at first pass the jack on the fixing base with the both ends of U type pipe, make clamping mechanism press from both sides at the vertical both ends of U type pipe, then rotate the screw rod that rotatory outer tube made the tow positive and negative screw thread at both ends and drive the outside or inside clearance activity of U type pipe, realize that U type pipe opens the compensation of contraction angle, thereby guarantee that wherein one end at the vertical both ends of high-pressure U type pipe can parallel entering triplex pump cold junction cap, the parallel triplex pump high pressure manifold that gets into of the other end, thereby effectively avoid triplex pump high pressure U type pipe to lead to appearing warping and the problem that cap screw thread and triplex pump high pressure manifold screw thread damage.

2. The utility model discloses in, because the tight piece one of clamp among the clamping mechanism is normal running fit with pressing from both sides tight piece two, consequently can be at the U type pipe of the fixed different diameters of certain limit in, improved clamping mechanism's suitability.

Drawings

Fig. 1 shows a schematic structural view of a triple pump high-pressure U-shaped pipe installation tool of a liquid nitrogen pump truck according to an embodiment of the present invention;

fig. 2 shows a schematic view of an internal structure of a regulating seat of a triple pump high-pressure U-shaped pipe mounting tool for a liquid nitrogen pump truck according to an embodiment of the present invention;

fig. 3 shows a schematic structural view of an adjusting mechanism of a triple pump high-pressure U-shaped pipe installation tool of a liquid nitrogen pump truck according to an embodiment of the present invention;

fig. 4 shows according to the utility model discloses liquid nitrogen pump truck triplex pump high pressure U type pipe installation frock clamping mechanism schematic structure is provided.

Illustration of the drawings:

1. an adjusting seat; 101. a limiting pipe sleeve; 102. a telescopic rod; 103. a spring; 2. a fixed seat; 3. a jack; 4. an adjustment mechanism; 401. rotating the outer tube; 402. a screw shaft; 5. a clamping mechanism; 501. a first clamping block; 5011. a hinged block; 502. a second clamping block; 5021. a hinged seat; 503. a bolt; 5031. a nut; 6. fixing the rod; 7. and (4) guiding a sleeve.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: the installation tool for the high-pressure U-shaped pipe of the triple pump of the liquid nitrogen pump truck comprises an adjusting seat 1, wherein the adjusting seat 1 comprises a limiting pipe sleeve 101, two telescopic rods 102 and a spring 103, the two telescopic rods 102 are in sliding fit with the limiting pipe sleeve 101 and can be adjusted according to the U-shaped pipes with different lengths, the spring 103 can be extended or shortened in a self-adaptive mode according to the telescopic distance of the telescopic rods 102, one end of each of the two telescopic rods 102 is inserted into an inner hole of the limiting pipe sleeve 101 and is elastically connected through the spring 103, the other end of each of the two telescopic rods 102 is respectively connected with a fixing seat 2, the fixing seats 2 are used for primary positioning of the U-shaped pipes, fixing lugs are welded on the front end face and the rear end face of each of the fixing seats 2, after the adjusting seat 1 is adjusted to a proper length, the adjusting seat 1 can be limited in length through the fixing lugs and an installation frame, inserting hole 3 is formed in each fixing seat 2, and the inserting holes 3 are respectively inserted into the two vertical ends of the U-shaped pipes, the bottom at the vertical both ends of U type pipe is used for being connected with trigeminy pump cold junction cap and trigeminy pump high pressure manifold respectively, the vertical both ends that are located U type pipe in the top of adjusting seat 1 are provided with clamping mechanism 5 respectively, fix the both ends of U type pipe through clamping mechanism 5, be provided with guiding mechanism 4 between the clamping mechanism 5 that is located U type pipe both ends, guiding mechanism 4 is including rotatory outer tube 401 and two screw rods 402, the one end of one of them screw rod 402 is connected with one of them clamping mechanism 5, wherein the one end of another screw rod 402 is connected with another one of them clamping mechanism 5, the other end of two screw rods 402 closes with the hole both ends of rotatory outer tube 401 soon respectively.

Specifically, as shown in fig. 4, the clamping mechanism 5 includes a first clamping block 501, a second clamping block 502 and a bolt 503, the first clamping block 501 is provided with a hinge block 5011, the second clamping block 502 is provided with a hinge seat 5021, the hinge block 5011 is rotatably matched with the hinge seat 5021 through a rotating shaft, the first clamping block 501 and the second clamping block 502 are respectively provided with a mounting hole adapted to the bolt 503, the bolt 503 penetrates through the mounting hole and is rotatably connected with a nut 5031, and the first clamping block 501 and the second clamping block 502 are rotatably matched, so that U-shaped tubes with different diameters can be fixed within a certain range, and the U-shaped tubes can be fixed by locking the bolt 503 with the nut 5031, thereby improving the applicability of the clamping mechanism 5.

Specifically, as shown in fig. 1, the two telescopic rods 102 are fixedly connected with a fixing rod 6, the upper ends of the fixing rods 6 are respectively connected with a guide sleeve 7, the two screw rods 402 respectively penetrate through the guide sleeves 7 and are in sliding fit with the corresponding guide sleeves 7, and the guide sleeves 7 play a role in fixing and limiting the screw rods 402, so that the outer tube 401 can be rotated conveniently.

Specifically, as shown in fig. 3, the two ends of the inner hole of the rotating outer tube 401 are provided with positive and negative threads, so that the rotating outer tube 401 drives the two lead screws 402 to move in the opposite directions in the rotating process.

Specifically, as shown in fig. 1, the cross section of the rotating outer tube 401 is a regular hexagon structure, which facilitates the rotation of the rotating outer tube 401 by an auxiliary tool.

The working principle is as follows: when the three-way pump high-pressure manifold is used, when a U-shaped pipe is installed, firstly, two ends of the U-shaped pipe penetrate through the insertion holes 3 in the fixing base 2 to preliminarily position the U-shaped pipe, then the clamping mechanisms 5 are clamped at the two vertical ends of the U-shaped pipe, then the rotating outer pipe 401 is rotated to enable the screw rods 402 of the positive and negative screw threads at the two ends to drive the U-shaped pipe to move outwards or inwards in a clearance mode, expansion and contraction angle compensation of the U-shaped pipe is achieved, and therefore it is guaranteed that one end of the two vertical ends of the high-pressure U-shaped pipe can parallelly enter a cold end cap of a three-way pump, the other end of the high-pressure U-shaped pipe parallelly enters a three-way pump high-pressure manifold, and the problems that the high-pressure U-shaped pipe of the three-way pump deforms and the screw threads of the cap and the three-way pump high-pressure manifold are damaged are effectively avoided; as the first clamping block 501 and the second clamping block 502 in the clamping mechanism 5 are in running fit, U-shaped pipes with different diameters can be fixed in a certain range, and the applicability of the clamping mechanism 5 is improved.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The installation tool for the triple pump high-pressure U-shaped pipe of the liquid nitrogen pump truck comprises an adjusting seat and is characterized in that the adjusting seat comprises a limiting pipe sleeve, two telescopic rods and a spring, one end of each of the two telescopic rods is inserted into an inner hole of the limiting pipe sleeve and is elastically connected through the spring, the other end of each of the two telescopic rods is connected with a fixed seat, each fixed seat is provided with an insertion hole, the insides of the insertion holes are respectively inserted into the vertical two ends of the U-shaped pipe, the bottoms of the vertical two ends of the U-shaped pipe are respectively used for being connected with a cold end cap of a triple pump and a high-pressure manifold of the triple pump, clamping mechanisms are respectively arranged at the vertical two ends of the U-shaped pipe above the adjusting seat, an adjusting mechanism is arranged between the clamping mechanisms at the two ends of the U-shaped pipe and comprises a rotary outer pipe and two screw rods, one end of one screw rod is connected with one of the clamping mechanisms, wherein one end of another screw rod is connected with another clamping mechanism therein, and the other ends of two screw rods are respectively screwed with the two ends of the inner hole of the rotary outer tube.

2. The liquid nitrogen pump truck triple pump high-pressure U-shaped pipe installation tool is characterized in that the clamping mechanism comprises a first clamping block, a second clamping block and a bolt, a hinge block is arranged on the first clamping block, a hinge seat is arranged on the second clamping block, the hinge block is in rotating fit with the hinge seat through a rotating shaft, installation holes matched with the bolt are formed in the first clamping block and the second clamping block, and the bolt penetrates through the installation holes and is connected with a nut in a screwing mode.

3. The liquid nitrogen pump truck triple pump high-pressure U-shaped pipe installation tool as claimed in claim 1, wherein two telescopic rods are fixedly connected with fixing rods, guide sleeves are respectively connected with the upper ends of the fixing rods, and the two screw rods respectively penetrate through the guide sleeves and are in sliding fit with the corresponding guide sleeves.

4. The liquid nitrogen pump truck triple pump high-pressure U-shaped pipe installation tool as claimed in claim 1, wherein positive and negative threads are arranged at two ends of an inner hole of the rotary outer pipe.

5. The liquid nitrogen pump truck triple pump high-pressure U-shaped pipe installation tool is characterized in that the section of the rotary outer pipe is of a regular hexagon structure.