CN105889640A - Limit adjusting device, spring supporting hanger and adjusting method of spring hanger and support - Google Patents

Limit adjusting device, spring supporting hanger and adjusting method of spring hanger and support Download PDF

Info

Publication number
CN105889640A
CN105889640A CN201610448446.XA CN201610448446A CN105889640A CN 105889640 A CN105889640 A CN 105889640A CN 201610448446 A CN201610448446 A CN 201610448446A CN 105889640 A CN105889640 A CN 105889640A
Authority
CN
China
Prior art keywords
suspension bracket
plate
bracket frame
adjustable plate
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.)
Pending
Application number
CN201610448446.XA
Other languages
Chinese (zh)
Inventor
晏嘉陵
宁涛
郑文祥
吴跃
周公文
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.)
China Datang Corp Science and Technology Research Institute Co Ltd East China Branch
Original Assignee
China Datang Corp Science and Technology Research Institute Co Ltd East China Branch
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 China Datang Corp Science and Technology Research Institute Co Ltd East China Branch filed Critical China Datang Corp Science and Technology Research Institute Co Ltd East China Branch
Priority to CN201610448446.XA priority Critical patent/CN105889640A/en
Publication of CN105889640A publication Critical patent/CN105889640A/en
Pending legal-status Critical Current

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
    • F16L3/16Supports 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

Landscapes

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

Abstract

The invention discloses a limit adjusting device, a spring supporting hanger and an adjusting method of the spring supporting hanger. The limit adjusting device comprises shaft pins with screw threads at two ends. Each shaft pin is sleeved with multiple steel sheets capable of rotating. The steel sheets are tightened and locked through nuts arranged at the two ends of the shaft pin. The spring supporting hanger comprises a hollow hanger frame. A lug arm used for hanging the hanger frame is arranged outside an upper end plate of the hanger frame. A hanging arm used for hanging a hanging hook is arranged in the hanger frame and penetrates through a lower end plate. The hanging arm is connected to an adjusting plate in the hanger frame. A spring is arranged between the adjusting plate and a bottom plate. Two opposite side plates of the hanger frame are provided with windows. The two side end faces of the adjusting plate extend into the windows. Two limit adjusting devices are arranged on the outer sides of the two windows of the hanger frame. The problems that in an existing pipeline variable spring supporting hanger adjusting or replacing process, the spring fixing way has no universality, affects project progress and is low in efficiency are solved.

Description

A kind of means for adjusting limit of movement and spring support hanging frame and control method thereof
Technical field
The present invention relates to pipeline support, be specifically related to a kind of spacing tunable arrangement and spring support hanging frame and control method thereof, be the device and method installing, dismantle, adjust or changing limit spring displacement for pipe variable spring support hanging frame.
Background technology
Variable spring support hanging frame is suitable on the be in operation various pipelines and the equipment that produce thermal walking, in order to bear piping load, slowing down vibration.Because it has the features such as stable, easy for installation, reliable of hanging of propping up, and it is widely used in body of power station boiler and the soda pop in power plant, cigarette, wind coal pipeline and the needs suspention such as oil, chemical plant installations and the place supported.Owing to pipe design displacement and actual gap are relatively big, suspension and support manufacture and the reason such as installation quality, pipeline longtime running cause piping displacement and suspension and support carrying exception, causing pipeline to shift because of load, load distribution is uneven, local stress is too high and there is potential safety hazard.For guaranteeing piping load reasonable layout, Stress in Piping system is evenly distributed, and needs to prop up the actual load born of suspension centre and displacement variable according to pipeline and is adjusted local pipe-hanger support or changes.
Usually; adjust or before Renewal process at pipe-hanger support; need to be fixed with protective conduit by the spring assembly of spring support hanging frame, it is ensured that the carrying of this suspension centre and displacement do not occur large change, to prevent the transfer of pipeline local load from causing local pipe stress to raise.Adjusting or in Renewal process at pipe-hanger support at present, shop bolt is installed in general employing or welding steel two ways is fixed.But because during former dispatching from the factory, the original shop bolt of suspension and support is lost for some reason or suspension and support does not recovers the former reasons such as pin installation site of dispatching from the factory, it is impossible to use installation shop bolt to fix, and use welding steel form to fix.But welding steel form needs first to measure when the front sleeve spring length external space of being hit by a bullet, carry out blanking according to measurement data again and make suitable fiber fixture block welding.Need after adjusting or changing end-of-job to remove clean by solder joint polishing, to prevent the crator of projection from hindering the normal displacement of suspension and support.During welding steel welding heat source spring is had a certain impact, the destruction of sleeve anticorrosive coat, and exist accidentally injure spring possibility.And not having versatility for fixture block spacing used by the suspension and support welding steel of different size, manufacturing process affects project progress and inefficient.
Summary of the invention
The purpose of the present invention is to propose to a kind of means for adjusting limit of movement and spring support hanging frame and control method thereof, the spacing of any distance can be realized by regulation stalloy gripper shoe height, be well positioned to meet various types of variable spring support hanging frames in power plant and petrochemical industry tubing.
To achieve these goals, the technical scheme is that
A kind of means for adjusting limit of movement, is threaded the pivot pin of screw thread, wherein, is cased with the rotary steel disc of multi-disc on pivot pin including two ends, and described steel disc is locked by the nut screwing clamping arranged at pivot pin two ends.
Scheme is further: the thickness of described steel disc is 0.5mm to 2mm.
A kind of spring support hanging frame, support for the location of unsettled section of pipeline, suspension bracket frame including hollow, suspension bracket frame upper head plate is outside equipped with the ear arm for hanging suspension bracket frame, in suspension bracket frame, bottom plate is provided with the arm for hanging suspension hook, wherein, described arm is connected on an adjustable plate in suspension bracket frame, spring it is provided with between adjustable plate and base plate, lower pulling force by described arm, adjustable plate is pressed on described spring, two relative side plates of described suspension bracket frame are provided with window, described adjustable plate both sides end face extends in described window, two means for adjusting limit of movements are separately positioned on the outside of suspension bracket frame said two window, described means for adjusting limit of movement includes that two ends are threaded the pivot pin of screw thread, pivot pin is cased with the rotary steel disc of multi-disc, described steel disc is locked by the nut screwing clamping arranged at pivot pin two ends;Described steel disc selects different sheet number to insert between adjustable plate and suspension bracket frame upper head plate according to the needs that adjustable plate is pressed down.
Scheme is further: be provided with the scale of reaction adjustable plate displacement on the side plate outside described suspension bracket frame window.
Scheme is further: described suspension bracket frame is by the hanging box frame in four block plates welding besieged cities, or the closed hanging box frame by 6 block plates welding besieged cities.
Scheme is further: the thickness of described steel disc is 0.5mm to 2mm.
A kind of regulation method for supporting based on described spring support hanging frame, described suspension bracket includes the suspension bracket frame of hollow, suspension bracket frame upper head plate is outside equipped with the ear arm for hanging suspension bracket frame, in suspension bracket frame, bottom plate is provided with the arm for hanging suspension hook, described arm is connected on an adjustable plate in suspension bracket frame, spring it is provided with between adjustable plate and base plate, lower pulling force by described arm, adjustable plate is pressed on described spring, two relative side plates of described suspension bracket frame are provided with window, described adjustable plate both sides end face extends in described window, two means for adjusting limit of movements are separately positioned on the outside of suspension bracket frame said two window, described means for adjusting limit of movement includes that two ends are threaded the pivot pin of screw thread, pivot pin is cased with the rotary steel disc of multi-disc, described steel disc is locked by the nut screwing clamping arranged at pivot pin two ends;Described steel disc selects different sheet number to insert between adjustable plate and suspension bracket frame upper head plate according to the needs that adjustable plate is pressed down, and the side plate outside described suspension bracket frame window is provided with the scale of reaction adjustable plate displacement;Described method is: being fixed on by suspension bracket ear arm by the upper end in swing pipe road, suspension bracket arm hangs pipeline, unclamps the nut at pivot pin two ends;Insert between adjustable plate and suspension bracket frame upper head plate with jack, by observing the scale of suspension bracket frame window outer panel, the stress that operation jack regulation adjustable plate is pressed down, when stress reaches requirement and two side window scales are consistent, select the gap that a number of steel disc is full of between adjustable plate and suspension bracket frame upper head plate, then fastening nut locking steel disc.
Scheme is further: when there being multiple suspension bracket to lift pipeline on pipeline simultaneously, and first the stress that described operation jack regulation adjustable plate is pressed down regulates multiple suspension bracket stress balance.
Scheme is further: described suspension bracket frame is by the hanging box frame in four block plates welding besieged cities.
Scheme is further: the thickness of described steel disc is 0.5mm to 2mm.
The present invention overcomes existing pipe variable spring support hanging frame to adjust or in Renewal process, spring fixing means does not have versatility, affects the problems such as project progress, efficiency are low;Advantage is:
(1) present invention can dismantle or install locking nut and support member easily, it is simple to carries and operates.
(2) present invention is in use, and according to indicator board in in-site measurement suspension and support and sleeve upper cover plate spacing, the stalloy gripper shoe height that regulation is inserted in variable spring support hanging frame indicator board gathering sill realizes, it is possible to achieve the spring of any distance spacing.Go for variable spring support hanging frame spacing of all specifications.
(3) use the multi-layer thin steel disc of one fixed width to be combined into supporter, be possible not only to realize arbitrary height regulation, moreover it is possible to bear the resilience force of spring very well and then play position-limiting action.
(4) simple in construction, practicality, can greatly reduce on-the-spot support adjustment or the time of replacing and difficulty, there is not the crator of leaving over caused because of welding and hinders the damage of spring displacement, sleeve anticorrosive coat and spring to be heated and effect reduction equivalent risk.
With embodiment, the present invention is described in detail below in conjunction with the accompanying drawings.
Accompanying drawing explanation
Fig. 1 means for adjusting limit of movement of the present invention structural representation;
Fig. 2 spring support hanging frame of the present invention structural representation.
Detailed description of the invention
Embodiment 1:
A kind of means for adjusting limit of movement, as it is shown in figure 1, include that two ends are threaded the pivot pin 1 of screw thread, wherein, is cased with the rotary steel disc of multi-disc 2 on pivot pin, and described steel disc tightens locking by the nut 3 arranged at pivot pin two ends.Wherein, the thickness of described steel disc is 0.5mm to 2mm, is most preferably 1mm.
Embodiment 2:
nullA kind of spring props up (support) suspension bracket,Support for the location of unsettled section of pipeline,Suspension bracket frame 4 including hollow,Suspension bracket frame upper head plate 401 is outside equipped with the ear arm 402 for hanging suspension bracket frame,In suspension bracket frame, bottom plate is provided with the arm 5 for hanging suspension hook,Wherein,Described arm is bolted in suspension bracket frame on an adjustable plate 6,Spring 7 it is provided with between adjustable plate and base plate,Lower pulling force by described arm,Adjustable plate is pressed on described spring,Two relative side plates of described suspension bracket frame are provided with window 403,Described adjustable plate both sides end face extends in described window,Two means for adjusting limit of movements are separately positioned on the outside of suspension bracket frame said two window,Described means for adjusting limit of movement includes that two ends are threaded the pivot pin of screw thread,Pivot pin is cased with the rotary steel disc of multi-disc,Described steel disc is locked by the nut screwing clamping arranged at pivot pin two ends;Described steel disc selects different sheet number to insert between adjustable plate and suspension bracket frame upper head plate according to the needs that adjustable plate is pressed down.
In embodiment: be provided with the scale of reaction adjustable plate displacement on the side plate outside described suspension bracket frame window.
In embodiment: described suspension bracket frame is by the hanging box frame in four block plate welding besieged cities, or the closed hanging box frame by 6 block plate welding besieged cities.
Suspension bracket can be used in adjustment or the Renewal process of pipe variable spring support hanging frame, it is also possible to dispatches from the factory locking for suspension bracket for manufacturer;Simple to operate, in-site installation or convenient disassembly.
In embodiment: the thickness of described steel disc is 0.5mm to 2mm, it is most preferably 1mm.
Embodiment 3:
A kind of regulation method for supporting based on spring support hanging frame described in embodiment 2, described suspension bracket includes the suspension bracket frame of hollow, suspension bracket frame upper head plate is outside equipped with the ear arm for hanging suspension bracket frame, in suspension bracket frame, bottom plate is provided with the arm for hanging suspension hook, described arm is connected on an adjustable plate in suspension bracket frame, spring it is provided with between adjustable plate and base plate, lower pulling force by described arm, adjustable plate is pressed on described spring, two relative side plates of described suspension bracket frame are provided with window, described adjustable plate both sides end face extends in described window, two means for adjusting limit of movements are separately positioned on the outside of suspension bracket frame said two window, described means for adjusting limit of movement includes that two ends are threaded the pivot pin of screw thread, pivot pin is cased with the rotary steel disc of multi-disc, described steel disc is locked by the nut screwing clamping arranged at pivot pin two ends;Described steel disc selects different sheet number to insert between adjustable plate and suspension bracket frame upper head plate according to the needs that adjustable plate is pressed down, and the side plate outside described suspension bracket frame window is provided with the scale of reaction adjustable plate displacement;Described method is: being fixed on by suspension bracket ear arm by the upper end in swing pipe road, suspension bracket arm hangs pipeline, unclamps the nut at pivot pin two ends;Insert between adjustable plate and suspension bracket frame upper head plate with jack, by measuring spacing L between adjustable plate and suspension bracket frame upper head plate, or observe the scale of suspension bracket frame window outer panel, the stress that operation jack regulation adjustable plate is pressed down, when stress reaches requirement and two side window scales are consistent, means for adjusting limit of movement lower end locking nut is screwed in bearing pin 1, the stalloy group supporter 3(stalloy group gross thickness loading some suitable with spacing L should be greater than L), screw in upper locking nut, select the gap L that a number of steel disc is full of between adjustable plate and suspension bracket frame upper head plate, remaining stalloy rotates to direction opposite side then fastening nut locking steel disc, finally take jack.
Wherein: when there being multiple suspension bracket to lift pipeline on pipeline simultaneously, first the stress that described operation jack regulation adjustable plate is pressed down regulates multiple suspension bracket stress balance.
In embodiment: described suspension bracket frame is by the hanging box frame in four block plate welding besieged cities.
In embodiment: the thickness of described steel disc is 0.5mm to 2mm, it is most preferably 1mm.

Claims (10)

1. a means for adjusting limit of movement, is threaded the pivot pin of screw thread including two ends, it is characterised in that be cased with the rotary steel disc of multi-disc on pivot pin, and described steel disc is locked by the nut screwing clamping arranged at pivot pin two ends.
Device the most according to claim 1, it is characterised in that the thickness of described steel disc is 0.5mm to 2mm.
null3. a spring support hanging frame,Support for the location of unsettled section of pipeline,Suspension bracket frame including hollow,Suspension bracket frame upper head plate is outside equipped with the ear arm for hanging suspension bracket frame,In suspension bracket frame, bottom plate is provided with the arm for hanging suspension hook,It is characterized in that,Described arm is connected on an adjustable plate in suspension bracket frame,Spring it is provided with between adjustable plate and base plate,Lower pulling force by described arm,Adjustable plate is pressed on described spring,Two relative side plates of described suspension bracket frame are provided with window,Described adjustable plate both sides end face extends in described window,Two means for adjusting limit of movements are separately positioned on the outside of suspension bracket frame said two window,Described means for adjusting limit of movement includes that two ends are threaded the pivot pin of screw thread,Pivot pin is cased with the rotary steel disc of multi-disc,Described steel disc is locked by the nut screwing clamping arranged at pivot pin two ends;Described steel disc selects different sheet number to insert between adjustable plate and suspension bracket frame upper head plate according to the needs that adjustable plate is pressed down.
Suspension bracket the most according to claim 3, it is characterised in that be provided with the scale of reaction adjustable plate displacement on the side plate outside described suspension bracket frame window.
Suspension bracket the most according to claim 3, it is characterised in that described suspension bracket frame is by the hanging box frame in four block plate welding besieged cities, or the closed hanging box frame by 6 block plate welding besieged cities.
Suspension bracket the most according to claim 3, it is characterised in that the thickness of described steel disc is 0.5mm to 2mm.
7. a regulation method for supporting based on described spring support hanging frame, described suspension bracket includes the suspension bracket frame of hollow, suspension bracket frame upper head plate is outside equipped with the ear arm for hanging suspension bracket frame, in suspension bracket frame, bottom plate is provided with the arm for hanging suspension hook, described arm is connected on an adjustable plate in suspension bracket frame, spring it is provided with between adjustable plate and base plate, lower pulling force by described arm, adjustable plate is pressed on described spring, two relative side plates of described suspension bracket frame are provided with window, described adjustable plate both sides end face extends in described window, two means for adjusting limit of movements are separately positioned on the outside of suspension bracket frame said two window, described means for adjusting limit of movement includes that two ends are threaded the pivot pin of screw thread, pivot pin is cased with the rotary steel disc of multi-disc, described steel disc is locked by the nut screwing clamping arranged at pivot pin two ends;Described steel disc selects different sheet number to insert between adjustable plate and suspension bracket frame upper head plate according to the needs that adjustable plate is pressed down, and the side plate outside described suspension bracket frame window is provided with the scale of reaction adjustable plate displacement;Being fixed on by suspension bracket ear arm by the upper end in swing pipe road, suspension bracket arm hangs pipeline, unclamps the nut at pivot pin two ends;It is characterized in that, insert between adjustable plate and suspension bracket frame upper head plate with jack, by observing the scale of suspension bracket frame window outer panel, the stress that operation jack regulation adjustable plate is pressed down, when stress reaches requirement and two side window scales are consistent, select the gap that a number of steel disc is full of between adjustable plate and suspension bracket frame upper head plate, then fastening nut locking steel disc.
Method the most according to claim 7, it is characterised in that described method farther includes, when there being multiple suspension bracket to lift pipeline on pipeline simultaneously, first the stress that described operation jack regulation adjustable plate is pressed down regulates multiple suspension bracket stress balance.
Method the most according to claim 7, it is characterised in that described suspension bracket frame is by the hanging box frame in four block plate welding besieged cities.
Method the most according to claim 7, it is characterised in that the thickness of described steel disc is 0.5mm to 2mm.
CN201610448446.XA 2016-06-21 2016-06-21 Limit adjusting device, spring supporting hanger and adjusting method of spring hanger and support Pending CN105889640A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610448446.XA CN105889640A (en) 2016-06-21 2016-06-21 Limit adjusting device, spring supporting hanger and adjusting method of spring hanger and support

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610448446.XA CN105889640A (en) 2016-06-21 2016-06-21 Limit adjusting device, spring supporting hanger and adjusting method of spring hanger and support

Publications (1)

Publication Number Publication Date
CN105889640A true CN105889640A (en) 2016-08-24

Family

ID=56731161

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610448446.XA Pending CN105889640A (en) 2016-06-21 2016-06-21 Limit adjusting device, spring supporting hanger and adjusting method of spring hanger and support

Country Status (1)

Country Link
CN (1) CN105889640A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106481889A (en) * 2016-11-22 2017-03-08 淮北智淮科技有限公司 A kind of pipeline spring support hanging frame
CN117781042A (en) * 2024-02-28 2024-03-29 中建安装集团有限公司 Damping supporting device for casing pipe of electromechanical pipeline

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1115255A (en) * 1977-01-06 1981-12-29 Colin J. Salter Spring supports
DE3026319C2 (en) * 1980-07-11 1987-10-22 Lisega Kraftwerkstechnik Gmbh, 2730 Zeven, De
JPH08338570A (en) * 1995-06-08 1996-12-24 Sanwa Tekki Corp Spring hanger
CN101029696A (en) * 2007-03-29 2007-09-05 江阴市焱鑫石化电力机械有限公司 Arc spring cradles on shoulders
CN201568649U (en) * 2009-12-01 2010-09-01 扬州市泰克管道机械有限公司 Variable spring hanger
CN104390065A (en) * 2013-08-19 2015-03-04 江苏焱鑫科技股份有限公司 Chaining type spring hanger
CN205781425U (en) * 2016-06-21 2016-12-07 中国大唐集团科学技术研究院有限公司华东分公司 A kind of means for adjusting limit of movement and spring support hanging frame

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1115255A (en) * 1977-01-06 1981-12-29 Colin J. Salter Spring supports
DE3026319C2 (en) * 1980-07-11 1987-10-22 Lisega Kraftwerkstechnik Gmbh, 2730 Zeven, De
JPH08338570A (en) * 1995-06-08 1996-12-24 Sanwa Tekki Corp Spring hanger
JP3749954B2 (en) * 1995-06-08 2006-03-01 三和テッキ株式会社 Spring hanger
CN101029696A (en) * 2007-03-29 2007-09-05 江阴市焱鑫石化电力机械有限公司 Arc spring cradles on shoulders
CN201568649U (en) * 2009-12-01 2010-09-01 扬州市泰克管道机械有限公司 Variable spring hanger
CN104390065A (en) * 2013-08-19 2015-03-04 江苏焱鑫科技股份有限公司 Chaining type spring hanger
CN205781425U (en) * 2016-06-21 2016-12-07 中国大唐集团科学技术研究院有限公司华东分公司 A kind of means for adjusting limit of movement and spring support hanging frame

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106481889A (en) * 2016-11-22 2017-03-08 淮北智淮科技有限公司 A kind of pipeline spring support hanging frame
CN117781042A (en) * 2024-02-28 2024-03-29 中建安装集团有限公司 Damping supporting device for casing pipe of electromechanical pipeline

Similar Documents

Publication Publication Date Title
CN104100769B (en) Pipeline sliding auxiliary device
CN204785096U (en) Assembly pulley gallows
CN104708263A (en) Clamp of welding platform for welding between pipelines
CN201568641U (en) Apparatus for limiting horizontal pipe displacement
CN105889640A (en) Limit adjusting device, spring supporting hanger and adjusting method of spring hanger and support
CN205781425U (en) A kind of means for adjusting limit of movement and spring support hanging frame
CN108468867A (en) A kind of support hanger structure facilitating installation
CN105650355A (en) Inclined bracing multi-tube gantry hanging bracket
CN204986021U (en) An adjustable pipeline gallows
CN206195292U (en) Spring bearing structure based on installation of generating line shaft
CN108869888A (en) A kind of antioverloading Combined changable spring support hanging frame using screw lock
CN203395399U (en) Horizontal adjustable guide pipeline hanging bracket
CN204852638U (en) A constant force spring gallows
CN208503658U (en) A kind of antioverloading Combined changable spring support hanging frame using screw lock
CN217874761U (en) Novel corrugated pipe compensator convenient to install
CN106813105B (en) Pipeline instruction device and conduit assembly
CN206084933U (en) Horizontal valve case spare assembly and disassembly tools
CN204006429U (en) A kind of equipment mounting bracket for building
CN103267060A (en) Double-roller structure for thermal insulation bracket
CN204046105U (en) Goaf strain insulator overhead ground wire adjusting device
CN203395383U (en) Adjustable piping hanger
CN107588275B (en) Pressure balance type expansion joint of transverse self-bearing elbow
CN107676548A (en) A kind of pipeline fixing device for building
CN206640116U (en) A kind of observing and controlling board fixer
CN111665142B (en) Arched beam pressure uniform distribution loading test equipment for building

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication

Application publication date: 20160824

RJ01 Rejection of invention patent application after publication