CN113774734A - Railway line nylon sleeve pipe pulling device - Google Patents
Railway line nylon sleeve pipe pulling device Download PDFInfo
- Publication number
- CN113774734A CN113774734A CN202111252249.8A CN202111252249A CN113774734A CN 113774734 A CN113774734 A CN 113774734A CN 202111252249 A CN202111252249 A CN 202111252249A CN 113774734 A CN113774734 A CN 113774734A
- Authority
- CN
- China
- Prior art keywords
- nylon sleeve
- extraction
- elastic
- railway line
- lever
- 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.)
- Granted
Links
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B29/00—Laying, rebuilding, or taking-up tracks; Tools or machines therefor
- E01B29/24—Fixing or removing detachable fastening means or accessories thereof; Pre-assembling track components by detachable fastening means
Abstract
The invention provides a railway line nylon sleeve pipe pulling device, which belongs to the technical field of railway maintenance equipment and comprises a support, a lever, a pulling assembly, a clamping protrusion and a heater, wherein the middle part of the lever is hinged with the support; one end of the extraction component is connected with one end of the lever, and the other end of the extraction component is used for extending into the nylon sleeve; the clamping bulge is arranged at the other end of the extracting component and is used for being clamped in the nylon sleeve; the heater is arranged at the other end of the extraction component and is used for heating the nylon sleeve. Because the nylon sleeve pipe can produce certain deformation and retraction after being heated and softened, be favorable to reducing the adhesion of nylon sleeve pipe and pore wall to be favorable to strengthening the protruding joint with nylon sheathed tube inside joint, the afterburning of reuse lever can be extracted the nylon sleeve pipe more conveniently, reduces the nylon sleeve pipe and changes the degree of difficulty, the material resources of using manpower sparingly, and improve nylon sleeve pipe change efficiency and effect.
Description
Technical Field
The invention belongs to the technical field of railway maintenance equipment, and particularly relates to a nylon sleeve pipe pulling device for a railway line.
Background
In the railway line equipment fastener system, a field fastener bolt is fastened in a pre-embedded nylon sleeve, an elastic strip is fastened by screwing the bolt in the nylon sleeve, and a steel rail is fastened on fixed line equipment by the elastic strip under stress so as to keep a gauge and ensure that a train stably passes through a rail surface of the steel rail.
The nylon sleeve pipe can lose effectiveness due to the treatment of field line equipment and the reasons of substandard one-time embedding quality, long-term tightness, long-term weather erosion and aging and the like. In case of failure of the nylon sleeve, the nylon sleeve is usually replaced in time in order to ensure safe operation of the line. However, the nylon sleeve can be extruded and deformed after the bolt is screwed in and is stuck in the hole, and particularly the nylon sleeve after long-term use is extremely firm in sticking.
The mode that on-spot was changed this type of inefficacy nylon sleeve pipe is few, utilizes tools such as pliers, crow bar directly to pull out it, changes a nylon sleeve pipe of anchor, just needs extravagant a large amount of manpower and materials, and the operation effect is not good, and is inefficient.
Disclosure of Invention
The invention aims to provide a railway line nylon sleeve pipe pulling device, which solves the technical problems that a large amount of manpower and material resources are wasted, the operation effect is poor and the efficiency is low when a nylon sleeve pipe in a railway line is replaced in the prior art.
In order to achieve the purpose, the invention adopts the technical scheme that: the utility model provides a railway line nylon sleeve pipe pulling device, which comprises a bracket, a lever, a pulling component, a clamping bulge and a heater, wherein the middle part of the lever is hinged with the bracket; one end of the extraction component is connected with one end of the lever, and the other end of the extraction component is used for extending into the nylon sleeve; the clamping bulge is arranged at the other end of the extracting component and is used for being clamped in the nylon sleeve; the heater is arranged at the other end of the extraction component and is used for heating the nylon sleeve.
In a possible implementation mode, the railway line nylon sleeve pipe extracting device further comprises a temperature sensor, a data processor and a display, wherein the temperature sensor is arranged at one end, provided with the heater, of the extracting component and used for detecting the heating temperature; the data processor is electrically connected with the temperature sensor to receive and process the data transmitted by the temperature sensor; the display is electrically connected with the data processor to display the data transmitted by the data processor.
In one possible implementation mode, the railway line nylon sleeve pipe pulling device further comprises a control panel and an input key, the control panel is arranged on the pulling assembly or the support, and the display is arranged on the control panel; the input key is arranged on the control panel and is electrically connected with the data processor so as to input an instruction signal to the data processor and further control the heating temperature of the heater.
In one possible implementation, the clamping protrusion is a step surface, a barb or a claw provided on the extraction assembly.
In one possible implementation, the catch projection is an elastic catch that is retractable into the extraction assembly.
In a possible implementation mode, the extraction assembly is provided with a groove capable of accommodating the elastic clamping jaw, one end of the elastic clamping jaw is hinged to the extraction assembly, the elastic clamping jaw is provided with an elastic element, one end of the elastic element is connected with the middle of the elastic clamping jaw, the other end of the elastic element is connected with the extraction assembly, and the elastic element is used for providing elastic force for enabling the elastic clamping jaw to extend out of the groove.
In a possible implementation, the edges of the resilient jaws can close the groove to prevent the nylon sleeve from entering the groove after melting.
In one possible implementation mode, the extraction assembly comprises an extraction rod, a base ring and a plurality of elastic claws, one end of the extraction rod is connected with the lever, the other end of the extraction rod is provided with a conical head, and a threading hole for a lead of the heater to pass through is formed in the extraction rod; the base ring is movably sleeved in the middle of the extracting rod, and one end facing the lever is provided with a crimping part for pressing and limiting; a plurality of elasticity claws encircle the conical head setting, form the tubular structure, and every equal one end of elasticity claw is connected with the base ring, and the thickness of every elasticity claw all reduces in the direction of keeping away from the base ring gradually to when conical head and elasticity claw produce relative movement, strut a plurality of elasticity claws, block at nylon set intraductal wall.
In a possible realization, the heater is provided at the end of the extraction rod provided with the conical head or on the elastic claw.
In one possible implementation, the extraction assembly is provided with an anti-sticking layer outside the portion for extending into the nylon sleeve.
In a possible implementation mode, the support comprises a base and a supporting rod, the supporting rod is vertically arranged on the base, and the middle of the lever is hinged with the supporting rod.
In a possible implementation, the base and the supporting rod are detachably connected, and the extraction assembly is hinged with the lever.
The railway line nylon sleeve pipe pulling device provided by the invention has the beneficial effects that: compared with the prior art, when the nylon sleeve pulling device is used, the bracket is supported at the stable position of the side of the nylon sleeve to be pulled, then the extracting component is stretched into the nylon sleeve, the clamping protrusion is kept to completely enter and be clamped in the nylon sleeve, then the heater is started, after the nylon sleeve is heated and softened, the free end of the lever is pressed downwards, the lever is utilized to provide upward pulling force for the extracting component, the nylon sleeve is pulled out, and finally the pulled nylon sleeve is taken down from the extracting component; because the nylon sleeve pipe can produce certain deformation and retraction after being heated and softened, be favorable to reducing the adhesion of nylon sleeve pipe and pore wall to be favorable to strengthening the protruding joint with nylon sheathed tube inside joint, the afterburning of reuse lever can be extracted the nylon sleeve pipe more conveniently, reduces the nylon sleeve pipe and changes the degree of difficulty, the material resources of using manpower sparingly, and improve nylon sleeve pipe change efficiency and effect.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.
Fig. 1 is a schematic structural diagram of a nylon casing pipe pulling device for a railway line according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a nylon casing pipe pulling device for a railway line according to another embodiment of the present invention;
fig. 3 is a schematic structural diagram of an electric control part of the railway line nylon casing pipe pulling device provided by the embodiment of the invention.
Wherein the reference numerals in the figures are as follows:
10. a support; 11. a base; 12. a support bar;
20. a lever;
30. an extraction component; 31. extracting the stems; 32. a base ring; 33. a crimping part; 34. an elastic claw;
40. clamping the bulges; 41. an elastic element;
50. a heater;
61. a temperature sensor; 62. a data processor;
63. a display; 64. a control panel; 65. and inputting a key.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The railway line nylon sleeve pipe pulling device provided by the invention is explained.
Referring to fig. 1 and 2 together, a nylon casing pipe drawing device for a railway line according to a first embodiment of the present invention includes a bracket 10, a lever 20, a drawing assembly 30, a clamping protrusion 40 and a heater 50, wherein the middle of the lever 20 is hinged to the bracket 10; one end of the extraction component 30 is connected with one end of the lever 20, and the other end is used for extending into the nylon sleeve; the clamping bulge 40 is arranged at the other end of the extracting component 30 and is used for being clamped in the nylon sleeve; a heater 50 is provided at the other end of the extraction assembly 30 for heating the nylon sleeve.
Compared with the prior art, in the railway line nylon sleeve pulling device provided by the embodiment, when the device is used, the bracket 10 is supported at the stable position of the edge of the nylon sleeve to be pulled, then the extraction assembly 30 is stretched into the nylon sleeve, the clamping protrusion 40 is kept to completely enter and be clamped in the nylon sleeve, then the heater 50 is started, after the nylon sleeve is heated and softened, the free end of the lever 20 is pressed downwards, the lever 20 is used for providing upward pulling force to the extraction assembly 30 to pull out the nylon sleeve, and finally the pulled nylon sleeve is taken down from the extraction assembly 30; because the nylon sleeve pipe can produce certain deformation and retraction after being heated and softened, be favorable to reducing the adhesion of nylon sleeve pipe and pore wall to be favorable to strengthening protruding 40 of joint and the intraduct joint of nylon sleeve, the afterburning of recycling lever 20 can extract the nylon sleeve pipe more conveniently, reduces the sheathed tube change degree of difficulty of nylon, the material resources of using manpower sparingly, and improve the sheathed tube change efficiency of nylon and effect.
Referring to fig. 1 to fig. 3, a first embodiment of the present invention is further provided as follows:
the device for pulling the nylon sleeve of the railway line further comprises a temperature sensor 61, a data processor 62 and a display 63, wherein the temperature sensor 61 is arranged at one end of the extraction component 30, which is provided with the heater 50, and is used for detecting the heating temperature; the data processor 62 is electrically connected with the temperature sensor 61 to receive and process the data transmitted by the temperature sensor 61; the display 63 is electrically connected to the data processor 62 to display data transmitted from the data processor 62.
Therefore, the real-time temperature during heating can be displayed through the display 63, and the heating device is convenient to take and pull out after reaching the temperature. The problems that the drawing is not easy to be carried out at a low temperature and the fusion and adhesion are caused after the temperature is too high are avoided.
The railway line nylon sleeve pipe drawing device further comprises a control panel 64 and an input key 65, wherein the control panel 64 is arranged on the drawing assembly 30 or the support 10, and the display 63 is arranged on the control panel 64; the input button 65 is provided on the control panel 64 and electrically connected to the data processor 62 to input a command signal to the data processor 62 to control the heating temperature of the heater 50.
This facilitates setting the heating temperature of the heater 50 according to different conditions, thereby achieving a better removal effect.
Referring to fig. 1 to fig. 3, a first embodiment of the present invention is further provided as follows:
the clamping protrusion 40 can be a step surface, a barb or a claw arranged on the extraction assembly 30, so that the nylon sleeve can be clamped on the nylon sleeve after being softened and then is taken out.
Specifically, the locking protrusion 40 is an elastic claw capable of retracting into the extraction assembly 30, so as to facilitate the smooth insertion of the extraction assembly 30 into the nylon sleeve and maintain a good locking effect. In particular, the catching protrusion 40 may be a barb-shaped structure to enhance the catching effect.
The extraction assembly 30 is provided with a groove capable of accommodating an elastic jaw, one end of the elastic jaw is hinged to the extraction assembly 30, the elastic jaw is provided with an elastic element 41, one end of the elastic element 41 is connected with the middle of the elastic jaw, the other end of the elastic element is connected with the extraction assembly 30, and the elastic element is used for providing elastic force for enabling the elastic jaw to extend out of the groove.
The edge of the elastic claw can seal the groove to prevent the nylon sleeve from entering the groove in a large amount after being melted and being difficult to remove. Be equipped with camera obscura or hole on the extraction element 30, camera obscura or downthehole traction wire that is equipped with, traction wire one end is connected with the free end of elasticity jack catch, and the other end extends to extraction element 30 upper end along camera obscura or hole to through the tractive of traction wire, make things convenient for the elasticity jack catch to withdraw the back, make the nylon sleeve pipe take off more easily.
The extraction assembly 30 comprises an extraction rod 31, a base ring 32 and a plurality of elastic claws 34, one end of the extraction rod 31 is connected with the lever 20, the other end is provided with a conical head, and a threading hole for a lead of the heater 50 to pass through is arranged in the extraction rod 31; the base ring 32 is movably sleeved at the middle part of the extracting rod 31, and one end facing the lever 20 is provided with a crimping part 33 for pressing and limiting; a plurality of elastic claw 34 encircle the conical head setting, form the tubular structure, and every elastic claw 34 all one end is connected with base ring 32, and the thickness of every elastic claw 34 all reduces gradually in the direction of keeping away from base ring 32 to when conical head and elastic claw 34 produce relative movement, strut a plurality of elastic claws 34, block at nylon set intraductal wall.
When the nylon sleeve is used, the elastic claws 34 extend into the holes of the nylon sleeve, the crimping parts 33 are kept exposed, after the nylon sleeve is softened by heating of the heater 50, the crimping parts 33 of the base ring 32 are pressed, the extraction rod 31 is lifted through the lever 20, the conical head and the elastic claws 34 generate relative motion, so that the elastic claws 34 are spread and clamped on the inner wall of the nylon sleeve, when the elastic claws 34 are clamped on the nylon sleeve, the crimping parts 33 do not need to be pressed again, and then the extraction rod 31 is continuously lifted by applying a larger acting force through the lever 20 until the nylon sleeve is pulled out; after the nylon sleeve is pulled out, the nylon sleeve is knocked to reset the conical head, so that the elastic claws 34 are contracted, and the nylon sleeve can be easily taken down.
The heater 50 is provided at the end of the extraction rod 31 where the conical head is provided or on the elastic claw 34, including the inner wall, the outer wall and the inner portion of the elastic claw 34.
The extraction assembly 30 is provided with an anti-sticking layer on the outside of the part extending into the nylon sleeve so as to prevent or reduce the nylon sleeve from being stuck on the extraction assembly 30 after hot melting.
The support 10 comprises a base 11 and a support rod 12, the support rod 12 is vertically arranged on the base 11, and the middle part of the lever 20 is hinged with the support rod 12.
The base 11 and the support rod 12 can be detachably connected through plugging, threaded connection, pin joint and the like, and the extraction assembly 30 is hinged with the lever 20 so as to facilitate the folding and storage of the whole device.
The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a railway line nylon sleeve pipe is got and is pulled out device which characterized in that includes:
a support (10) for supporting the support,
a lever (20) with the middle part hinged with the bracket (10);
one end of the extraction component (30) is connected with one end of the lever (20), and the other end of the extraction component is used for extending into the nylon sleeve;
the clamping protrusion (40) is arranged at the other end of the extracting component (30) and is used for being clamped in the nylon sleeve;
and the heater (50) is arranged at the other end of the extraction assembly (30) and is used for heating the nylon sleeve.
2. The railway line nylon sleeve pulling apparatus as claimed in claim 1, wherein the railway line nylon sleeve pulling apparatus further comprises:
a temperature sensor (61) provided at an end of the extraction assembly (30) at which the heater (50) is provided, for detecting a heating temperature;
a data processor (62) electrically connected with the temperature sensor (61) for receiving and processing the data transmitted by the temperature sensor (61);
and the display (63) is electrically connected with the data processor (62) to display the data transmitted by the data processor (62).
3. The railway line nylon sleeve pulling apparatus as claimed in claim 2, wherein the railway line nylon sleeve pulling apparatus further comprises:
a control panel (64) provided on the extraction assembly (30) or the support (10), the display (63) being provided on the control panel (64);
and the input key (65) is arranged on the control panel (64) and is electrically connected with the data processor (62) so as to input an instruction signal to the data processor (62) and further control the heating temperature of the heater (50).
4. The railway line nylon casing pipe pulling device as claimed in claim 1, wherein: the clamping bulge (40) is a step surface, a barb or a claw arranged on the extraction component (30).
5. The railway line nylon casing pipe pulling device as claimed in claim 4, wherein: the clamping protrusion (40) is an elastic claw which can retract into the extraction assembly (30); the device comprises an extraction assembly (30), an elastic claw and an elastic element (41), wherein the extraction assembly (30) is provided with a groove capable of accommodating the elastic claw, one end of the elastic claw is hinged with the extraction assembly (30), the elastic claw is provided with the elastic element (41), one end of the elastic element (41) is connected with the middle part of the elastic claw, the other end of the elastic element is connected with the extraction assembly (30), and the elastic element is used for providing elastic force for enabling the elastic claw to extend out of the groove; the edge of the elastic claw can seal the groove to prevent the nylon sleeve from entering the groove after being melted.
6. The railway line nylon casing pipe pulling device as claimed in claim 1, wherein: the extraction assembly (30) comprises an extraction rod (31), a base ring (32) and a plurality of elastic claws (34), one end of the extraction rod (31) is connected with the lever (20), the other end of the extraction rod is provided with a conical head, and a threading hole for a lead of the heater (50) to pass through is formed in the extraction rod; the base ring (32) is movably sleeved at the middle part of the extraction rod (31), and one end facing the lever (20) is provided with a pressing part (33) for pressing and limiting; the elastic claws (34) are arranged around the conical head to form a cylindrical structure, one end of each elastic claw (34) is connected with the base ring (32), the thickness of each elastic claw (34) is gradually reduced in the direction away from the base ring (32), and therefore when the conical head and the elastic claws (34) move relatively, the elastic claws (34) are spread and clamped on the inner wall of the nylon sleeve.
7. The railway line nylon casing pipe pulling device as claimed in claim 6, wherein: the heater (50) is arranged at one end of the extraction rod (31) provided with a conical head or on the elastic claw (34).
8. The railway line nylon casing pipe pulling device as claimed in claim 1, wherein: an anti-sticking layer is arranged outside the part of the extraction component (30) extending into the nylon sleeve.
9. The railway line nylon casing pipe pulling device as claimed in claim 1, wherein: the support (10) comprises a base (11) and a supporting rod (12), the supporting rod (12) is vertically arranged on the base (11), and the middle of the lever (20) is hinged with the supporting rod (12).
10. The railway line nylon sleeve pulling device as claimed in claim 9, wherein: the base (11) and the supporting rod (12) are detachably connected, and the extracting component (30) is hinged to the lever (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111252249.8A CN113774734B (en) | 2021-10-27 | 2021-10-27 | Railway line nylon sleeve pipe pulling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111252249.8A CN113774734B (en) | 2021-10-27 | 2021-10-27 | Railway line nylon sleeve pipe pulling device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113774734A true CN113774734A (en) | 2021-12-10 |
| CN113774734B CN113774734B (en) | 2023-02-24 |
Family
ID=78956711
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111252249.8A Active CN113774734B (en) | 2021-10-27 | 2021-10-27 | Railway line nylon sleeve pipe pulling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113774734B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114808573A (en) * | 2022-05-22 | 2022-07-29 | 苏州市丽苏塑胶科技有限公司 | Turnout nylon sleeve pipe remove device of convenient installation |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB295828A (en) * | 1927-08-15 | 1928-08-23 | Joseph Gallagher | A device for extracting valve seatings, sleeves, bushes or the like from their sockets |
| JPH09117874A (en) * | 1995-10-25 | 1997-05-06 | East Japan Railway Co | Bush extraction device |
| CN102518011A (en) * | 2011-12-21 | 2012-06-27 | 池州市劲风焊接设备有限公司 | Pipe taking method for replacing pre-embedded sleeve of railway concrete sleeper |
| CN102995509A (en) * | 2012-11-21 | 2013-03-27 | 南阳理工学院 | Method for rapidly cold-extracting scrapped nylon sleeve in concrete sleeper and special drill jig |
| CN203007759U (en) * | 2012-11-22 | 2013-06-19 | 南阳理工学院 | Unscrewing device for scrapped nylon sleeve in concrete sleeper |
| WO2013180039A1 (en) * | 2012-05-29 | 2013-12-05 | 日本スプリュー株式会社 | Tangless helical coil insert removing tool |
| CN108747963A (en) * | 2018-07-27 | 2018-11-06 | 东方航空技术有限公司 | Lever pulls out axis tool |
| CN112523014A (en) * | 2020-12-30 | 2021-03-19 | 北京九州一轨环境科技股份有限公司 | Disassembling device for inner sleeve of vibration isolator |
-
2021
- 2021-10-27 CN CN202111252249.8A patent/CN113774734B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB295828A (en) * | 1927-08-15 | 1928-08-23 | Joseph Gallagher | A device for extracting valve seatings, sleeves, bushes or the like from their sockets |
| JPH09117874A (en) * | 1995-10-25 | 1997-05-06 | East Japan Railway Co | Bush extraction device |
| CN102518011A (en) * | 2011-12-21 | 2012-06-27 | 池州市劲风焊接设备有限公司 | Pipe taking method for replacing pre-embedded sleeve of railway concrete sleeper |
| WO2013180039A1 (en) * | 2012-05-29 | 2013-12-05 | 日本スプリュー株式会社 | Tangless helical coil insert removing tool |
| CN102995509A (en) * | 2012-11-21 | 2013-03-27 | 南阳理工学院 | Method for rapidly cold-extracting scrapped nylon sleeve in concrete sleeper and special drill jig |
| CN203007759U (en) * | 2012-11-22 | 2013-06-19 | 南阳理工学院 | Unscrewing device for scrapped nylon sleeve in concrete sleeper |
| CN108747963A (en) * | 2018-07-27 | 2018-11-06 | 东方航空技术有限公司 | Lever pulls out axis tool |
| CN112523014A (en) * | 2020-12-30 | 2021-03-19 | 北京九州一轨环境科技股份有限公司 | Disassembling device for inner sleeve of vibration isolator |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114808573A (en) * | 2022-05-22 | 2022-07-29 | 苏州市丽苏塑胶科技有限公司 | Turnout nylon sleeve pipe remove device of convenient installation |
| CN114808573B (en) * | 2022-05-22 | 2023-08-04 | 苏州市丽苏塑胶科技有限公司 | Switch nylon sleeve pipe take-out device of convenient installation |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113774734B (en) | 2023-02-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN113774734B (en) | Railway line nylon sleeve pipe pulling device | |
| CN204850414U (en) | Shaped steel of encorbelmenting draws wire rope instrument formula anchor to one side | |
| CN207304484U (en) | A kind of Portable photovoltaic module EL test devices | |
| CN204349352U (en) | The on-the-spot predilation device of outdoor terminal stress cone | |
| CN202872261U (en) | Insulated operating rod | |
| CN204770444U (en) | Automatic put rivet device | |
| CN110480560A (en) | A kind of disassembling jig and its application method | |
| CN105305328A (en) | Pipeline thread guide | |
| CN206329593U (en) | Novel expansion bolt that is a kind of detachable and can reusing | |
| CN201191754Y (en) | Joint elastomer expanding apparatus for intermediate connecting joint of electric cable | |
| CN209298380U (en) | A kind of laborsaving intermediate potential insulation lapping bar | |
| CN208961926U (en) | A kind of wind turbine detaching device for coupling | |
| CN203430416U (en) | Rope ladder ground fixer with oblique needle | |
| CN203909088U (en) | Portable insulating operation rod | |
| CN209139891U (en) | A kind of nut lead seal hole automatic punching equipment | |
| CN207509116U (en) | A kind of tubing connects bundled device | |
| CN206733589U (en) | A kind of claw steel wire expanding machine | |
| CN205382700U (en) | Embedded nut formula is wall spare even | |
| CN205314525U (en) | Detachable scaffold is wall spare even | |
| CN204304324U (en) | A kind of fixing-line device aid | |
| CN206170201U (en) | Hot melt trompil device of quad slit is opened to PE pipe | |
| CN211265852U (en) | Cable connector of electronic equipment | |
| CN103533273B (en) | Lock adhering arrangement, erecting device and method | |
| CN210492007U (en) | Pipe fitting separating device for drip irrigation system | |
| CN210117741U (en) | High strain pile body clamp |
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 |