CN115574152B - Ship low-temperature pipeline bracket with adjustable gap - Google Patents

Ship low-temperature pipeline bracket with adjustable gap Download PDF

Info

Publication number
CN115574152B
CN115574152B CN202211180221.2A CN202211180221A CN115574152B CN 115574152 B CN115574152 B CN 115574152B CN 202211180221 A CN202211180221 A CN 202211180221A CN 115574152 B CN115574152 B CN 115574152B
Authority
CN
China
Prior art keywords
pipe clamp
bow
bracket
shaped pipe
spring
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
CN202211180221.2A
Other languages
Chinese (zh)
Other versions
CN115574152A (en
Inventor
王佳琦
刘涛
王洪普
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.)
Hudong Zhonghua Shipbuilding Group Co Ltd
Original Assignee
Hudong Zhonghua Shipbuilding Group 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 Hudong Zhonghua Shipbuilding Group Co Ltd filed Critical Hudong Zhonghua Shipbuilding Group Co Ltd
Priority to CN202211180221.2A priority Critical patent/CN115574152B/en
Publication of CN115574152A publication Critical patent/CN115574152A/en
Application granted granted Critical
Publication of CN115574152B publication Critical patent/CN115574152B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L3/00Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets
    • F16L3/08Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets substantially surrounding the pipe, cable or protective tubing
    • F16L3/10Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets substantially surrounding the pipe, cable or protective tubing divided, i.e. with two or more members engaging the pipe, cable or protective tubing
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L3/00Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets
    • F16L3/16Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets with special provision allowing movement of the pipe
    • F16L3/20Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets with special provision allowing movement of the pipe allowing movement in transverse direction
    • F16L3/205Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets with special provision allowing movement of the pipe allowing movement in transverse direction having supporting springs
    • F16L3/2056Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets with special provision allowing movement of the pipe allowing movement in transverse direction having supporting springs the axis of at least one spring being oblique or perpendicular to the direction of the movement of the pipe
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L57/00Protection of pipes or objects of similar shape against external or internal damage or wear
    • F16L57/06Protection of pipes or objects of similar shape against external or internal damage or wear against wear

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Supports For Pipes And Cables (AREA)

Abstract

The invention discloses a gap-adjustable ship cryogenic pipeline bracket which comprises an upper bow-shaped pipe clamp, a lower bow-shaped pipe clamp, an upper bracket, a lower bracket, a spring guide rod, a pre-tightening spring and a pre-tightening pull rod, wherein the upper bow-shaped pipe clamp and the lower bow-shaped pipe clamp are identical in structure and are symmetrically arranged, a clamping gap is formed between the upper bow-shaped pipe clamp and the lower bow-shaped pipe clamp, the upper bracket is in limit connection with the upper bow-shaped pipe clamp, the lower bracket is in limit connection with the lower bow-shaped pipe clamp through the spring guide rod, the pre-tightening spring is arranged between the upper bracket and the upper bow-shaped pipe clamp, the pre-tightening spring is arranged outside the spring guide rod, and the upper bracket and the lower bracket are fixed through the pre-tightening pull rod. According to the invention, the pre-tightening pull rod and the pre-tightening spring are matched with each other, and the length of the movable gap in the non-limiting direction is adjusted only by adjusting the length of the pre-tightening pull rod between the upper bracket and the lower bracket.

Description

Ship low-temperature pipeline bracket with adjustable gap
Technical Field
The invention belongs to the technical field of ship construction, and particularly relates to a gap-adjustable ship low-temperature pipeline bracket.
Background
As the necessary treatment facilities in the LNG storage and transportation process, the installation mode method of the low-temperature pipeline is extremely important, and because the temperature difference (-196 ℃ to 60 ℃) is large in the working process of the low-temperature pipeline, larger stress can be generated in the actual working process, and the phenomenon of exceeding stress can be generated in the positions of the pipeline elbow and the tee joint, if the problem is ignored, the pipeline is subjected to plastic deformation and even damage due to long-term fatigue, and the phenomena of pipeline collapse, left-right swing, elbow fold and the like caused by pipeline instability in the industry are all adversely affected by the pipeline stress. The common solution to the exceeding of the pipeline stress is to adjust gaps of part of the four limit brackets, adjust gaps of the two limit brackets in corresponding directions, release partial displacement of two limit brackets, enable the two limit brackets to fail in a certain range, and release the pipeline stress of the part with exceeding of the stress. However, the commonly used U-shaped pipe clamp is required to adjust the installation clearance, so that the pipe clamp size is required to be readjusted, and the production cost and the workload are increased.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides the gap-adjustable ship low-temperature pipeline bracket, which can solve the problem of exceeding pipeline stress in the low-temperature management working process and can greatly reduce the workload in the installation process.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
The invention provides a ship cryogenic pipeline bracket with adjustable gaps, which comprises an upper bow-shaped pipe clamp, a lower bow-shaped pipe clamp, an upper bracket, a lower bracket, a spring guide rod, a pre-tightening spring and a pre-tightening pull rod, wherein the upper bow-shaped pipe clamp and the lower bow-shaped pipe clamp are of the same structure and are symmetrically arranged, a clamping gap is formed between the upper bow-shaped pipe clamp and the lower bow-shaped pipe clamp, the upper bracket is arranged at the upper part of the upper bow-shaped pipe clamp, the lower bracket is arranged at the lower part of the lower bow-shaped pipe clamp, the upper bracket is in limiting connection with the upper bow-shaped pipe clamp, the lower bracket is in limiting connection with the lower bow-shaped pipe clamp through the spring guide rod, the pre-tightening spring is arranged between the upper bracket and the upper bow-shaped pipe clamp, the pre-tightening spring is arranged outside the spring guide rod, and the upper bracket and the lower bracket are fixed through the pre-tightening pull rod.
As the preferable technical scheme, the top of going up the bow-shaped pipe clamp the top of bow-shaped pipe clamp down is provided with cylindrical boss, be provided with the screw hole on the boss, the one end of spring guide arm be provided with screw hole assorted screw thread, the other end of spring guide arm passes the upper bracket the through-hole on the lower carriage is provided with echelonment spring shoulder seat, the spring guide arm passes through echelonment spring shoulder seat and is fixed in on the upper bracket the lower carriage.
As an optimal technical scheme, the step-shaped spring shoulder seat and the spring guide rod are coaxially arranged, and chamfers are arranged at contact positions of the step-shaped spring shoulder seat, the upper bracket and the lower bracket.
As an optimal technical scheme, polystyrene foam plastic is arranged in the upper arch support and the lower arch support, and the surface of the polystyrene foam plastic, which is in contact with the pipe wall, is subjected to abrasion treatment.
As a preferable technical scheme, the contact surface of the polystyrene foam plastic and the pipe wall is coated with Teflon coating.
As an optimal technical scheme, through holes for the pretightening pull rod to pass through are formed in the two sides of the upper arch pipe clamp and the lower arch pipe clamp.
As the preferable technical scheme, the through hole at one side of the upper arch pipe clamp is round, and the through hole at the other side is oval; the through hole on one side of the lower arch pipe clamp is circular, the through hole on the other side of the lower arch pipe clamp is elliptical, and the circular through hole of the upper arch pipe clamp corresponds to the elliptical through hole of the lower arch pipe clamp.
As the preferable technical scheme, the upper bracket and the lower bracket are both in spindle-shaped platy structures, the middle parts of the upper bracket and the lower bracket are provided with counter bore structures for the spring guide rods to pass through, and the two ends of the counter bore structures for the pre-tightening pull rods to pass through are arranged.
Compared with the prior art, the invention has the following technical effects:
According to the invention, the pre-tightening pull rod and the pre-tightening spring are matched with each other, so that the length of the movable gap in the non-limiting direction is adjusted only by adjusting the length of the pre-tightening pull rod between the upper bracket and the lower bracket under the condition that the stress of a pipeline is not out of standard under various operation conditions. On the other hand, the width of the upper arch pipe clamp and the width of the lower arch pipe clamp can be changed according to the axial displacement of the pipeline in the stress analysis result, and the abrasion degree of the pipeline on the hard insulating material on the inner side of the bracket can be reduced by adopting the Teflon coating.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural view of a marine cryogenic pipeline bracket with adjustable clearance according to the present invention.
Fig. 2 is a longitudinal sectional view of the gap-adjustable marine cryogenic pipeline bracket of the invention.
Wherein, the reference numerals specifically explain as follows: the device comprises an upper bracket 1, a lower bracket 2, an upper arch pipe clamp 3, a lower arch pipe clamp 4, a pre-tightening spring 5, a pre-tightening pull rod 6, a stepped spring shoulder seat 7, polystyrene foam plastic 8 and a spring guide rod 9.
Detailed Description
In the description of the present invention, it should be understood that the terms "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present invention and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present invention.
As shown in fig. 1 and 2, the present embodiment provides a marine cryogenic pipeline bracket with adjustable gap, which comprises an upper arch pipe clamp 3, a lower arch pipe clamp 4, an upper bracket 1, a lower bracket 2, a spring guide rod 9, a pre-tightening spring 5 and a pre-tightening pull rod 6. The upper bow-shaped pipe clamp 3 and the lower bow-shaped pipe clamp 4 are identical in structure and symmetrically arranged, a clamping gap is formed between the upper bow-shaped pipe clamp 3 and the lower bow-shaped pipe clamp 4, the upper bracket 1 is arranged on the upper portion of the upper bow-shaped pipe clamp 3, the lower bracket 2 is arranged on the lower portion of the lower bow-shaped pipe clamp 4, the upper bracket 1 and the upper bow-shaped pipe clamp 3, the lower bracket 2 and the lower bow-shaped pipe clamp 4 are respectively in limit connection through a spring guide rod 9, a pre-tightening spring 5 is respectively arranged between the upper bracket 1 and the upper bow-shaped pipe clamp 3 and between the lower bracket 2 and the lower bow-shaped pipe clamp 4, the pre-tightening spring 5 is arranged outside the spring guide rod 9, and the upper bracket 1 and the lower bracket 2 are fixed through a pre-tightening pull rod 6. The upper bracket 1 and the lower bracket 2 are of spindle-shaped platy structures, counter bore structures for the spring guide rod 9 to pass through are arranged in the middle of the upper bracket 1 and the lower bracket 2, and through hole structures for the pre-tightening pull rod 6 to pass through are arranged at two ends of the counter bore structures.
In this embodiment, the tops of the upper arch pipe clamp 3 and the lower arch pipe clamp 4 are respectively provided with a cylindrical boss, the bosses are provided with threaded holes, one end of the spring guide rod 9 is provided with threads matched with the threaded holes, the threads are triangular threads, and the spring guide rod 9 is in threaded connection with the bosses. The other end of the spring guide rod 9 passes through the through holes on the upper bracket 1 and the lower bracket 2 and is provided with a step-shaped spring shoulder seat 7, the spring guide rod 9 is fixed on the upper bracket 1 and the lower bracket 2 through the step-shaped spring shoulder seat 7, the step-shaped spring shoulder seat 7 and the spring guide rod 9 are coaxially arranged, and the contact part of the step-shaped spring shoulder seat 7 and the upper bracket 1 and the lower bracket 2 is provided with a chamfer.
In the embodiment, polystyrene foam plastic 8 is arranged in the upper arch support and the lower arch support, the surface of the polystyrene foam plastic 8 in contact with the pipe wall is subjected to abrasion treatment, and the contact surface of the polystyrene foam plastic 8 and the pipe wall is coated with Teflon coating. The two sides of the upper arch pipe clamp 3 and the lower arch pipe clamp 4 are provided with through holes for the pre-tightening pull rods 6 to pass through. The through hole on one side of the upper arch pipe clamp 3 is round, and the through hole on the other side is oval; the through hole on one side of the lower arch pipe clamp 4 is circular, the through hole on the other side is elliptical, and the circular through hole of the upper arch pipe clamp 3 corresponds to the elliptical through hole of the lower arch pipe clamp 4.
On the one hand, when the low-temperature pipeline is normally provided with the four limit brackets, the bracket has the four limit functions on the pipeline by adjusting the pretightening force of the upper spring and the lower spring to be maximum by using the conventional guide rod. On the other hand, when the pipeline stress analysis result obtained after the pipeline stress analysis shows that the maximum secondary stress of the position of a certain pipeline elbow exceeds the allowable stress of the current position, assuming that the trend of the current pipeline is X direction, a plurality of four limit brackets (Y, -Y, Z-Z) are normally adopted in the pipeline, two limit brackets (Y, -Y) are needed to be used for releasing the stress at the position of the stress exceeding elbow by changing the limit mode of the position, close to the position of the stress exceeding standard, of the current pipeline, at the moment, the locking degree of nuts at the two ends of the pretightening pull rod 6 with the upper bracket 1 and the lower bracket 2 can be adjusted at the corresponding bracket position, the nuts are properly loosened, and assuming that the maximum displacement of the corresponding pipeline bracket position in the Z direction in the stress analysis result is 18mm, the movable gap of the pretightening spring 5 at the two ends is adjusted to be more than or equal to 18mm, and at the moment, the position can be regarded as two limit brackets in the movable gap of +/-18 mm in the working process.
The gap-adjustable low-temperature pipeline bracket has the advantages of simple structure, convenient installation, no wearing parts, low maintenance cost, more stable and reliable structure, and fully considers the abrasion of insulating layer materials, increases an abrasion-proof coating on the insulating material, and avoids the material and structure damage caused by the axial displacement of the low-temperature pipeline by designing and designing the spring guide rod 9 on the premise of considering the adjustability of the reserved gap in the actual working process.
While the foregoing embodiments have been described in detail and with reference to the present invention, it will be apparent to one skilled in the art that modifications and improvements can be made based on the disclosure without departing from the spirit and scope of the invention.

Claims (4)

1. The utility model provides a boats and ships cryoline support in adjustable clearance, its characterized in that includes bow-shaped pipe clamp, lower bow-shaped pipe clamp, upper bracket, lower carriage, spring guide arm, pretension spring, pretension pull rod, the bow-shaped pipe clamp of going up just symmetry setting with bow-shaped pipe clamp down, go up bow-shaped pipe clamp with form the centre gripping clearance between the bow-shaped pipe clamp down, go up the support and be arranged in the upper portion of bow-shaped pipe clamp, the lower carriage is arranged in the lower part of bow-shaped pipe clamp down, go up bow-shaped pipe clamp, lower carriage with bow-shaped pipe clamp down respectively through the spring guide arm spacing connection, go up between the support with go up bow-shaped pipe clamp, be provided with respectively between lower carriage and the bow-shaped pipe clamp down pretension spring sets up in the outside of spring guide arm, go up the support, the lower carriage passes through pretension pull rod is fixed;
Cylindrical bosses are arranged at the tops of the upper arch pipe clamp and the lower arch pipe clamp, threaded holes are formed in the bosses, threads matched with the threaded holes are formed in one end of the spring guide rod, the other end of the spring guide rod penetrates through the through holes in the upper bracket and the lower bracket and is provided with a stepped spring shoulder seat, and the spring guide rod is fixed on the upper bracket and the lower bracket through the stepped spring shoulder seat;
The two sides of the upper arch pipe clamp and the lower arch pipe clamp are provided with through holes for the pretightening pull rod to pass through, the through holes on one side of the upper arch pipe clamp are round, and the through holes on the other side of the upper arch pipe clamp are oval; the through hole on one side of the lower arch pipe clamp is circular, the through hole on the other side of the lower arch pipe clamp is elliptical, and the circular through hole of the upper arch pipe clamp corresponds to the elliptical through hole of the lower arch pipe clamp;
The upper support and the lower support are of spindle-shaped plate structures, counter bore structures for the spring guide rods to pass through are arranged in the middle of the upper support and the lower support, and through hole structures for the pre-tightening pull rods to pass through are arranged at two ends of the upper support and the lower support.
2. The adjustable clearance marine cryogenic pipeline bracket of claim 1, wherein the stepped spring shoulder is coaxially arranged with the spring guide rod, and a chamfer is arranged at a contact position of the stepped spring shoulder with the upper bracket and the lower bracket.
3. The adjustable gap marine cryogenic pipeline bracket of claim 1, wherein the upper arcuate clamp and the lower arcuate clamp are each internally provided with polystyrene foam, and the surface of the polystyrene foam in contact with the pipe wall is subjected to wear treatment.
4. A gap-adjustable marine cryogenic pipeline bracket as claimed in claim 3, wherein the interface of the styrofoam and the pipe wall is coated with teflon coating.
CN202211180221.2A 2022-09-27 2022-09-27 Ship low-temperature pipeline bracket with adjustable gap Active CN115574152B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202211180221.2A CN115574152B (en) 2022-09-27 2022-09-27 Ship low-temperature pipeline bracket with adjustable gap

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202211180221.2A CN115574152B (en) 2022-09-27 2022-09-27 Ship low-temperature pipeline bracket with adjustable gap

Publications (2)

Publication Number Publication Date
CN115574152A CN115574152A (en) 2023-01-06
CN115574152B true CN115574152B (en) 2024-05-14

Family

ID=84582837

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202211180221.2A Active CN115574152B (en) 2022-09-27 2022-09-27 Ship low-temperature pipeline bracket with adjustable gap

Country Status (1)

Country Link
CN (1) CN115574152B (en)

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104696600A (en) * 2015-03-26 2015-06-10 上海外高桥造船有限公司 Fixing support used for supporting ship pipeline
CN106122599A (en) * 2016-07-21 2016-11-16 淮海工学院 A kind of vibration damping ship pipeline pipe clamp and bracket assembly
CN208519317U (en) * 2018-06-05 2019-02-19 郑州市祥龙泵业有限公司 For stablizing the clamping plate of pump tube
CN109373055A (en) * 2018-12-25 2019-02-22 慈溪铭展工贸有限公司 A kind of multifunctional combination type pipe clamp of pipeline
CN211117986U (en) * 2019-09-20 2020-07-28 华电电力科学研究院有限公司 Reinforced pipe clamp capable of preventing circumferential sliding
CN211288996U (en) * 2019-11-03 2020-08-18 上海恒者机电工程有限公司 A water conservancy pipeline supports connection structure for hydraulic engineering
CN112344101A (en) * 2020-09-24 2021-02-09 沪东中华造船(集团)有限公司 LNG ship filling pipe fixing pipe clamp and fixing method
CN214579672U (en) * 2021-03-19 2021-11-02 德阳东方阿贝勒管道***有限公司 Novel shock attenuation pipe clamp

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104696600A (en) * 2015-03-26 2015-06-10 上海外高桥造船有限公司 Fixing support used for supporting ship pipeline
CN106122599A (en) * 2016-07-21 2016-11-16 淮海工学院 A kind of vibration damping ship pipeline pipe clamp and bracket assembly
CN208519317U (en) * 2018-06-05 2019-02-19 郑州市祥龙泵业有限公司 For stablizing the clamping plate of pump tube
CN109373055A (en) * 2018-12-25 2019-02-22 慈溪铭展工贸有限公司 A kind of multifunctional combination type pipe clamp of pipeline
CN211117986U (en) * 2019-09-20 2020-07-28 华电电力科学研究院有限公司 Reinforced pipe clamp capable of preventing circumferential sliding
CN211288996U (en) * 2019-11-03 2020-08-18 上海恒者机电工程有限公司 A water conservancy pipeline supports connection structure for hydraulic engineering
CN112344101A (en) * 2020-09-24 2021-02-09 沪东中华造船(集团)有限公司 LNG ship filling pipe fixing pipe clamp and fixing method
CN214579672U (en) * 2021-03-19 2021-11-02 德阳东方阿贝勒管道***有限公司 Novel shock attenuation pipe clamp

Also Published As

Publication number Publication date
CN115574152A (en) 2023-01-06

Similar Documents

Publication Publication Date Title
CN115574152B (en) Ship low-temperature pipeline bracket with adjustable gap
CN203162350U (en) Heavy-load vertical-pipe duplex-pull-rod rigid hanger
CN111230572A (en) Device and method for adjusting straightness of cross beam of large-span gantry machining center
CN205765110U (en) A kind of adjustable float supports clamping device
CN210998259U (en) Stress adjusting structure of clamp buffer
CN209067952U (en) A kind of gantry support
CN208360423U (en) A kind of segmentation support secured adjusted device
CN214558220U (en) Needle length adjustable floating double-shaft-shoulder stirring head
CN220434384U (en) Fluorine chemical industry low Wen Dayong tower hoop
CN205096875U (en) V type fixing device and contain its boring machine
CN206948650U (en) The brasses of the conductive radiator used for melting ore
CN101590504A (en) A kind of reinforced pull rod that is used for large computer numerical control pipe bender
CN213236520U (en) Elbow structure convenient to install fast
CN218094607U (en) Supporting frame structure for mounting pulverized coal pipe valve
CN214699543U (en) Water conservancy water and electricity construction fastening processing apparatus
CN213598709U (en) Riser support clamp and riser system
CN217653672U (en) Spherical tank pull rod structure
CN201267841Y (en) Closed pull rod device of pipe bender
CN219530167U (en) HDPE double-wall corrugated pipe joint protection device
CN210193380U (en) Special oil nozzle for linear actuator for glass substrate production
CN218619885U (en) Clamp for hoisting plates
CN219705201U (en) Product grabbing structure of steel pipe production line
CN201904924U (en) Split graphite heater
CN218658742U (en) Special wrench suitable for various types of pipeline valves
CN220263037U (en) Adjustable support of lifting guide rod of full-rotation telescopic propeller

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant