CN219031401U - Automatic contraction device of single-side double-passage high-pressure-resistant transmission rubber pipe - Google Patents

Automatic contraction device of single-side double-passage high-pressure-resistant transmission rubber pipe Download PDF

Info

Publication number
CN219031401U
CN219031401U CN202320012554.8U CN202320012554U CN219031401U CN 219031401 U CN219031401 U CN 219031401U CN 202320012554 U CN202320012554 U CN 202320012554U CN 219031401 U CN219031401 U CN 219031401U
Authority
CN
China
Prior art keywords
pressure
assembly
coil spring
oil supply
base frame
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
Application number
CN202320012554.8U
Other languages
Chinese (zh)
Inventor
董立军
刘金龙
刘彦飞
李丽宽
岳先强
赵磊
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jilin Xianglong Railway Rescuing Technology Development Co ltd
Original Assignee
Jilin Xianglong Railway Rescuing Technology Development Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Jilin Xianglong Railway Rescuing Technology Development Co ltd filed Critical Jilin Xianglong Railway Rescuing Technology Development Co ltd
Priority to CN202320012554.8U priority Critical patent/CN219031401U/en
Application granted granted Critical
Publication of CN219031401U publication Critical patent/CN219031401U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Joints Allowing Movement (AREA)

Abstract

The utility model belongs to the field of high-pressure medium transmission pipeline finishing devices in hydraulic systems, in particular to a single-side double-channel high-pressure-resistant transmission rubber pipe automatic contraction device, which comprises a support frame assembly, an oil supply core pipe assembly and a reel assembly, wherein the support frame assembly consists of a base frame and support arms symmetrically arranged on two sides of the base frame, rubber pipe guides are arranged on the upper parts of the support arms on two sides, a reel assembly is arranged between the support arms, and the oil supply core pipe assembly is arranged at the central shaft position of the reel assembly, and compared with the prior art, the utility model has the advantages that: the device can be independently and fixedly used, can be combined with other equipment for use at the same time, and can meet the requirement of synchronous transmission and use of two different high-pressure media; the torsion of the coil spring can be completely released without disassembling the shell during maintenance of the device, and the maintenance operation is safe and convenient.

Description

Automatic contraction device of single-side double-passage high-pressure-resistant transmission rubber pipe
Technical Field
The utility model belongs to the field of high-pressure medium transmission pipeline finishing devices in hydraulic systems, and particularly relates to an automatic shrinkage device of a single-side double-channel high-pressure-resistant transmission rubber pipe.
Background
When the hydraulic equipment is used, the power output device such as a hydraulic pump station is connected with the execution device such as a hydraulic cylinder through the hydraulic oil pipe, and then hydraulic oil is conveyed to the execution device and work is done. The connection of the hydraulic oil conveying pipeline is a necessary process in the use of rescue operation, the length of the high-pressure oil pipe required by connection also changes due to the different distance between the hydraulic pump station and the required oil supply equipment, and the hydraulic equipment is fixed in length by attaching the oil pipe to a matched accessory, but the hydraulic hose is loose and messy in use due to different lengths, so that the whole clean and tidy of the equipment use site is affected, and the problem of how to arrange and store the hydraulic oil pipe after use is also solved.
At present, most hydraulic equipment needs manual work to coil hydraulic oil pipes into bundles, the bundles are different in diameter and irregular in storage, so that the hydraulic oil pipes are inconvenient to use next time, the high-pressure rubber pipes are easy to age, and the service life of the high-pressure rubber pipes is shortened. A few hydraulic devices adopt a hydraulic rubber tube finishing device, but the hydraulic rubber tube finishing device is used under low-pressure working conditions, the high-pressure medium transmission working conditions cannot be met, meanwhile, when the medium pressure of the existing hydraulic rubber tube finishing device is slightly high, each sealing ring is matched with the existing hydraulic rubber tube finishing device to form a high-pressure sealing close fit state, huge resistance is generated, and the hydraulic rubber tube finishing device cannot extend or retract under a pressure storage state. When the double pipelines are required to be used under the working condition, the existing equipment is provided with two side connecting oil ways, the operation is unchanged, and the equipment installation space is occupied.
In order to solve the above-mentioned disadvantages when using the high-pressure oil pipe; therefore, an automatic shrinkage device of the single-side double-channel high-pressure-resistant transmission rubber tube is needed to be reasonable in structure and convenient to use.
Disclosure of Invention
The utility model aims to overcome the defects of the technology and provide the automatic shrinkage device of the single-side double-channel high-pressure-resistant transmission rubber pipe.
In order to solve the technical problems, the technical scheme provided by the utility model is that the automatic retraction device of the single-side double-channel high-pressure-resistant transmission rubber pipe comprises a support frame assembly, an oil supply core pipe assembly and a reel assembly, wherein the support frame assembly consists of a base frame and support arms symmetrically arranged on two sides of the base frame, rubber pipe guides are arranged on the upper parts of the support arms on two sides, the reel assembly is arranged between the support arms, and the oil supply core pipe assembly is arranged at the central shaft position of the reel assembly;
the high-pressure rubber tube passes through the rubber tube guide, and a rubber tube limiting ball is arranged at the extending end part of the high-pressure rubber tube and is matched with the rubber tube guide to form a limiting structure;
the reel assembly consists of a reel, a coil spring gland and a latch, wherein the coil spring is arranged in an annular groove at the outer side of the reel, the coil spring gland is fixed with a notch of the annular groove through a positioning stud, and the latch is arranged at one side of the coil spring gland far away from the coil spring;
the oil supply core pipe assembly consists of an oil supply core shaft, a connecting shaft sleeve, a coil spring shaft sleeve, a double-passage high-pressure rotary joint, a joint connecting rod, a high-pressure rotary joint, a back nut, a self-lubricating bushing, a self-lubricating flanging bushing, a first sealing piece, a second sealing piece and a high-pressure rotary sealing piece.
As an improvement, the supporting arm is fixedly connected with the base frame through bolts.
As an improvement, the supporting arm is provided with a claw and a claw spring which can be matched with each other for use towards one side of the reel assembly, the claw is arranged on the upper portion of the base frame and hinged and rotatable, one end of the claw spring is fixed on the base frame, and the other end of the claw spring is connected with the tail end of the claw.
As an improvement, the second sealing piece is arranged at the sealing countersink of the mounting hole of the connector connecting rod of the oil core shaft, the first sealing piece is arranged at the sealing piece groove in the connector connecting rod, the high-pressure rotary connector is inserted into the connector connecting rod, the insertion end of the high-pressure rotary connector forms a seal with the first sealing piece, the back nut is sleeved from the lower end of the connector connecting rod and is screwed with the upper thread of the high-pressure rotary connector, and the connector connecting rod is mounted in the mounting hole of the oil core shaft.
As an improvement, the self-lubricating bushing is arranged inside the coil spring shaft sleeve, the coil spring shaft sleeve is sleeved outside the oil supply mandrel, and the flange end of the coil spring shaft sleeve is connected with the base frame through bolts.
As an improvement, the self-lubricating flanging bushing is pre-installed in the connecting shaft sleeve, the connecting shaft sleeve is sleeved outside the oil supply mandrel, and the connecting shaft sleeve is connected with the base frame through bolts.
As an improvement, the high-pressure rotary sealing element is arranged on a double-passage high-pressure rotary joint in advance, the double-passage high-pressure rotary joint is arranged on an oil supply mandrel, and two sides of the double-passage high-pressure rotary joint are limited by elastic check rings for shafts.
Compared with the prior art, the utility model has the advantages that:
the device can be independently and fixedly used, can also be combined with other equipment for use, can meet the synchronous transmission use of two different high-pressure media, when in use, the rubber tube is connected on the same side, after the hydraulic oil tube is pulled out to the required length by manpower, the automatic locking at the length can be realized, the device can bear the high working oil pressure output by a hydraulic pump station when in operation, meanwhile, when the device bears the high oil pressure, the pulling-out or the retraction adjustment of the use length of the high-pressure oil tube is not influenced, after the use is finished, the hydraulic oil tube can be automatically retracted to the device, the single-side double-oil-way connection is realized, the extension length is adjustable, the required length can be self-locked when in use, and the function of automatic retraction and arrangement after the use can be realized; the torsion of the coil spring can be completely released without disassembling the shell during maintenance of the device, and the maintenance operation is safe and convenient.
Drawings
FIG. 1 is a perspective view of the present utility model;
FIG. 2 is a block diagram of the support bracket assembly;
FIG. 3 is a block diagram of an oil supply core tube assembly;
FIG. 4 is an exploded view of the components of the oil supply core tube assembly;
FIG. 5 is a block diagram of the reel assembly.
Fig. 1-5 show: 10. the device comprises a support frame assembly 101, a base frame 102, a support arm 103, a claw 104, a claw spring 105, a rubber pipe guide 106, a rubber pipe limiting ball 20, an oil supply core pipe assembly 201, an oil supply core shaft 202, a connecting shaft sleeve 203, a coil spring shaft sleeve 204, a two-way high-pressure rotary joint 205, a joint connecting rod 206, a high-pressure rotary joint 207, a back nut 30, a reel assembly 301, a reel 302, a coil spring 303, a coil spring gland 304, a clamping tooth 305, a positioning stud 501, a self-lubricating bushing 502, a self-lubricating flanging bushing 503, a first sealing piece 504, a second sealing piece 505 and a high-pressure rotary sealing piece.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
In the description of the embodiments of the present utility model, it should be noted that, if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate an azimuth or a positional relationship based on that shown in the drawings, or an azimuth or a positional relationship in which the product of the present utility model is conventionally put when used, it is merely for convenience of describing the present utility model and simplifying the description, and it does not indicate or imply that the apparatus or element to be referred to must have a specific azimuth, be configured and operated in a specific azimuth, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," "third," and the like are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal," "vertical," "overhang" and the like, if any, do not denote a requirement that the component be absolutely horizontal or overhang, but rather may be slightly inclined. As "horizontal" merely means that its direction is more horizontal than "vertical", and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the embodiments of the present utility model, "plurality" means at least 2.
In the description of the embodiments of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" should be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
The utility model relates to an automatic contraction device for a single-side double-channel high-pressure-resistant transmission rubber pipe, which is further described in detail below with reference to the accompanying drawings.
Referring to fig. 1-5, an automatic retraction device for a single-side double-channel high-pressure-resistant transmission rubber pipe comprises a support frame assembly 10, an oil supply core pipe assembly 20 and a reel assembly 30, wherein the support frame assembly 10 consists of a base frame 101 and support arms 102 symmetrically arranged on two sides of the base frame 101, rubber pipe guides 105 are arranged on the upper parts of the support arms 102 on two sides, a reel assembly 30 is arranged between the support arms 102, and the oil supply core pipe assembly 20 is arranged at the central shaft position of the reel assembly 30;
the high-pressure rubber tube is wound on the outer peripheral surface of the reel assembly 30, passes through the rubber tube guide 105, and a rubber tube limiting ball 106 is arranged at the extending end part of the high-pressure rubber tube and is matched with the rubber tube guide 105 to form a limiting structure;
the reel assembly 30 comprises a reel 301, a coil spring 302, a coil spring gland 303 and a latch 304, wherein the coil spring 302 is placed in an annular groove at the outer side of the reel 301, the coil spring gland 303 is fixed with an annular groove opening through a positioning stud 305, and the latch 304 is arranged at one side of the coil spring gland 303 far away from the coil spring 302;
the oil supply core pipe assembly 20 is composed of an oil supply core shaft 201, a connecting shaft sleeve 202, a coil spring shaft sleeve 203, a double-passage high-pressure rotary joint 204, a joint connecting rod 205, a high-pressure rotary joint 206, a back nut 207, a self-lubricating bushing 501, a self-lubricating flanging bushing 502, a first sealing member 503, a second sealing member 504 and a high-pressure rotary sealing member 505.
As a preferred embodiment of the present embodiment, the supporting arm 102 is fixedly connected to the base frame 101 by bolts.
As a preferred embodiment of this embodiment, the side of the supporting arm 102 facing the reel assembly 30 is provided with a claw 103 and a claw spring 104 which can be matched with each other, the claw 103 is installed on the upper portion of the base frame 101, the claw 103 is hinged and rotatable, one end of the claw spring 104 is fixed on the base frame 101, and the other end of the claw spring 104 is connected with the tail end of the claw 103.
As a preferred embodiment of this embodiment, the second sealing member 504 is disposed at the sealing countersunk hole of the connector connecting rod 205 of the oil core shaft 201, the first sealing member 503 is disposed at the sealing member groove in the connector connecting rod 205, the high-pressure rotary joint 206 is inserted into the connector connecting rod 205, the insertion end of the high-pressure rotary joint 206 forms a seal with the first sealing member 503, and the back nut 207 is sleeved from the lower end of the connector connecting rod 205 and screwed with the high-pressure rotary joint 206, and then the connector connecting rod 205 is mounted into the mounting hole on the oil core shaft 201.
As a preferred embodiment of the present embodiment, the self-lubricating bushing 501 is mounted inside the wrap spring bushing 203, the wrap spring bushing 203 is sleeved outside the oil supply mandrel 201, and the flange end of the wrap spring bushing 203 is connected with the base frame 101 through bolts.
As a preferred embodiment of the present embodiment, the self-lubricating flanging bush 502 is pre-installed in the connecting shaft sleeve 202, the connecting shaft sleeve 202 is sleeved outside the oil supply mandrel 201, and the connecting shaft sleeve 202 is connected with the base frame 101 through bolts.
As a preferred embodiment of the present example, the high-pressure rotary seal 505 is pre-installed on the dual-path high-pressure rotary joint 204, the dual-path high-pressure rotary joint 204 is installed on the oil supply mandrel 201, and two sides of the dual-path high-pressure rotary joint are limited by circlips for shafts.
In the implementation of the present utility model, referring to fig. 1, the automatic shrinkage device of the single-side double-channel high-pressure-resistant transmission rubber pipe comprises a support frame assembly 10, a reel assembly 30 and an oil supply core pipe assembly 20, wherein the high-pressure rubber pipe is wound on the reel assembly 30, the oil supply core pipe assembly 20 is fixedly connected with the reel assembly 30 and synchronously rotates, the oil supply core pipe assembly 20 is connected with the support frame assembly 10, the support frame assembly 10 is fixed, and the oil supply core pipe assembly 20 and the reel assembly 30 rotate relative to the support frame assembly 10.
Referring to fig. 2, the structure of the support frame assembly 10 includes a base frame 101, a support arm 102, a claw 103, a claw spring 104, a hose guide 105, and a hose stop ball 106. The two side supporting arms 102 are connected to the base frame 101 through bolts, the rubber tube guide 105 is connected with the two side supporting arms 102 through bolts, the high-pressure rubber tube on the reel assembly 20 passes through the rubber tube guide 105, and the rubber tube limiting ball 106 is arranged at the extending end part of the rubber tube and is matched with the rubber tube guide 105 to form a limiting structure; the claw 103 is arranged on the base frame 101, is hinged and rotatable on the coil spring box side of the coil assembly 30, one end of the claw spring 104 is fixed on the base frame 101, and the other end of the claw spring 104 is connected with the tail end of the claw 103 to be matched with the base frame.
Referring to fig. 3 and 4, the structure of the oil supply core tube assembly 20 includes an oil supply core shaft 201, a connecting shaft sleeve 202, a coil spring shaft sleeve 203, a double-passage high-pressure rotary joint 204, a joint connecting rod 205, a high-pressure rotary joint 206, a back nut 207, a self-lubricating bushing 501, a self-lubricating flanging bushing 502, a first sealing member 503, a second sealing member 504 and a high-pressure rotary sealing member 505, wherein the second sealing member 504 is arranged at a seal countersink of a mounting hole of the joint connecting rod 205 on the oil core shaft 201, the first sealing member 503 is arranged at a sealing member groove in the joint connecting rod 205, the high-pressure rotary joint 206 is inserted into the joint connecting rod 205, the inserted end forms a seal with the first sealing member 503, the back nut 207 is sleeved from the lower end of the joint connecting rod 205, and after the back nut is screwed with the high-pressure rotary joint 206, the joint connecting rod 205 is mounted in the mounting hole of the oil supply core shaft 201; firstly, a self-lubricating bushing 501 is installed in a coil spring shaft sleeve 203, then the coil spring shaft sleeve 203 is sleeved on an oil supply mandrel 201, and the flange end of the coil spring shaft sleeve 203 is connected with a base frame 101 through bolts; the self-lubricating flanging bush 502 is pre-installed in the connecting shaft sleeve 202, the connecting shaft sleeve 202 is sleeved on the oil supply mandrel 201, and the connecting shaft sleeve 202 is connected with the base frame 101 through bolts; the high-pressure rotary seal 505 is mounted on the double-passage high-pressure rotary joint 204 in advance, and then the double-passage high-pressure rotary joint 204 is mounted on the oil supply mandrel 201, and both sides are limited by circlips for shafts.
Referring to fig. 5, reel assembly 30 is comprised of a reel 301, a coil spring 302, a coil spring gland 303, a latch 304, and a positioning stud 305. Four positioning studs 305 are firstly mounted on a reel 301, a coil spring 302 is put into the reel 301 when the reel is mounted on the flange surface of the oil supply mandrel 201, and a coil spring gland 303 mounting hole is aligned with the positioning stud 305 and mounted on the positioning stud 305, a nut is backed up, and a latch 304 mounting hole is aligned with the coil spring gland 303 and mounted.
The bottom plate of the base frame 101 is provided with mounting holes, and the base frame can be mounted on the ground, the wall, the ceiling and the like for independent use, or can be prefabricated on equipment for use in combination with the equipment.
The utility model and its embodiments have been described above with no limitation, and the actual construction is not limited to the embodiments of the utility model as shown in the drawings. In summary, if one of ordinary skill in the art is informed by this disclosure, a structural manner and an embodiment similar to the technical solution should not be creatively devised without departing from the gist of the present utility model.

Claims (7)

1. The utility model provides a unilateral double pass high pressure resistant transmission rubber tube automatic contraction device which characterized in that: the oil supply core tube assembly comprises a support frame assembly (10), an oil supply core tube assembly (20) and a reel assembly (30), wherein the support frame assembly (10) consists of a base frame (101) and support arms (102) symmetrically arranged on two sides of the base frame (101), rubber tube guides (105) are arranged on the upper parts of the support arms (102) on two sides, the reel assembly (30) is arranged between the support arms (102), and the oil supply core tube assembly (20) is arranged at the central shaft position of the reel assembly (30);
the high-pressure rubber tube is wound on the outer peripheral surface of the reel assembly (30), passes through the rubber tube guide (105), and a rubber tube limiting ball (106) is arranged at the extending end part of the high-pressure rubber tube and is matched with the rubber tube guide (105) to form a limiting structure;
the reel assembly (30) consists of a reel (301), a coil spring (302), a coil spring gland (303) and a latch (304), wherein the coil spring (302) is placed in an annular groove at the outer side of the reel (301), the coil spring gland (303) is fixed with an annular groove opening through a positioning stud (305), and the latch (304) is arranged at one side of the coil spring gland (303) far away from the coil spring (302);
the oil supply core pipe assembly (20) is composed of an oil supply core shaft (201), a connecting shaft sleeve (202), a coil spring shaft sleeve (203), a double-passage high-pressure rotary joint (204), a joint connecting rod (205), a high-pressure rotary joint (206), a back nut (207), a self-lubricating bushing (501), a self-lubricating flanging bushing (502), a first sealing piece (503), a second sealing piece (504) and a high-pressure rotary sealing piece (505).
2. The automatic shrinkage device for the single-side double-passage high-pressure-resistant transmission rubber pipe, according to claim 1, is characterized in that: the supporting arm (102) is fixedly connected with the base frame (101) through bolts.
3. The automatic shrinkage device for the single-side double-passage high-pressure-resistant transmission rubber pipe, according to claim 1, is characterized in that: the supporting arm (102) is equipped with jack catch (103) and jack catch spring (104) that can mutually support and use towards reel assembly (30) one side, jack catch (103) are installed on base frame (101) upper portion, jack catch (103) articulated rotatable, jack catch spring (104) one end is fixed on base frame (101), jack catch spring (104) other end and jack catch (103) tail end connection.
4. The automatic shrinkage device for the single-side double-passage high-pressure-resistant transmission rubber pipe, according to claim 1, is characterized in that: the second sealing piece (504) is arranged at a sealing countersink of a mounting hole of the connector connecting rod (205) of the oil spindle (201), the first sealing piece (503) is arranged at a sealing piece groove in the connector connecting rod (205), the high-pressure rotary joint (206) is inserted into the connector connecting rod (205), the insertion end of the high-pressure rotary joint (206) and the first sealing piece (503) form a seal, and the back nut (207) is sleeved at the lower end of the connector connecting rod (205) and is screwed with the upper thread of the high-pressure rotary joint (206), so that the connector connecting rod (205) is mounted in the mounting hole of the oil spindle (201).
5. The automatic shrinkage device for the single-side double-passage high-pressure-resistant transmission rubber pipe, according to claim 1, is characterized in that: the self-lubricating bushing (501) is mounted inside the coil spring shaft sleeve (203), the coil spring shaft sleeve (203) is sleeved outside the oil supply mandrel (201), and the flange end of the coil spring shaft sleeve (203) is connected with the base frame (101) through bolts.
6. The automatic shrinkage device for the single-side double-passage high-pressure-resistant transmission rubber pipe, according to claim 1, is characterized in that: the self-lubricating flanging bushing (502) is pre-installed in the connecting shaft sleeve (202), the connecting shaft sleeve (202) is sleeved outside the oil supply core shaft (201), and the connecting shaft sleeve (202) is sleeved with the base frame (101) in a bolt connection mode.
7. The automatic shrinkage device for the single-side double-passage high-pressure-resistant transmission rubber pipe, according to claim 1, is characterized in that: the high-pressure rotary sealing piece (505) is pre-installed on the double-passage high-pressure rotary joint (204), the double-passage high-pressure rotary joint (204) is installed on the oil supply mandrel (201), and two sides of the double-passage high-pressure rotary joint are limited by elastic check rings for shafts.
CN202320012554.8U 2023-01-04 2023-01-04 Automatic contraction device of single-side double-passage high-pressure-resistant transmission rubber pipe Active CN219031401U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202320012554.8U CN219031401U (en) 2023-01-04 2023-01-04 Automatic contraction device of single-side double-passage high-pressure-resistant transmission rubber pipe

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202320012554.8U CN219031401U (en) 2023-01-04 2023-01-04 Automatic contraction device of single-side double-passage high-pressure-resistant transmission rubber pipe

Publications (1)

Publication Number Publication Date
CN219031401U true CN219031401U (en) 2023-05-16

Family

ID=86284103

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202320012554.8U Active CN219031401U (en) 2023-01-04 2023-01-04 Automatic contraction device of single-side double-passage high-pressure-resistant transmission rubber pipe

Country Status (1)

Country Link
CN (1) CN219031401U (en)

Similar Documents

Publication Publication Date Title
CN219031401U (en) Automatic contraction device of single-side double-passage high-pressure-resistant transmission rubber pipe
CN112780202A (en) Coiled tubing pipe-pouring device
CN216904159U (en) Galvanized wire pipe convenient for threading
CN116040421A (en) Automatic contraction device of single-side double-passage high-pressure-resistant transmission rubber pipe
CN110360459B (en) High-temperature high-pressure temperature and pressure reducing device
CN116534657A (en) Metal hose winding device with stress release function
CN107934702B (en) Retractable grounding wire device
CN208830928U (en) Oil pipe reduced pipe connection frame and operating device
GB2575727A (en) Under-pressure tapping and access assembly for pressurized pipe
CN214274899U (en) Quick connector for hydrostatic test
CN109458506B (en) Flange connecting device
CN214886924U (en) Coiled tubing pipe-pouring device
CN211330783U (en) Fossil fragments production is with decoiling equipment
CN214739819U (en) Scaffold for building links wall device
CN111971440B (en) End hose support for a distribution boom of a concrete pump, concrete pump and method
CN218362625U (en) Pressure steel pipe welding grounding construction system
CN209811606U (en) Metallurgical clamp pipe welding fixing device
CN105666001A (en) Welding fixture suitable for long pipe flange
CN210771295U (en) Chip testing machine rotating mechanism
CN114440029B (en) Adjustable connecting pipeline for complex petrochemical standard pipeline
CN219945171U (en) Auxiliary device for preventing error in press fitting of large head and small head of motor shaft
CN214146826U (en) Pipeline fastener for construction
CN218582470U (en) Shock insulation seam mounting structure is worn to pressure pipeline of earthquake seepage prevention
CN216842138U (en) Sealing connector for compression pump
CN221020877U (en) Maintenance device for liquid slip ring of single-column mooring system

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant