CN114102504A - Pull rod type sleeve dismounting protection device - Google Patents

Pull rod type sleeve dismounting protection device Download PDF

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Publication number
CN114102504A
CN114102504A CN202111404912.1A CN202111404912A CN114102504A CN 114102504 A CN114102504 A CN 114102504A CN 202111404912 A CN202111404912 A CN 202111404912A CN 114102504 A CN114102504 A CN 114102504A
Authority
CN
China
Prior art keywords
pull rod
sleeve
auxiliary
protection device
thread
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
Application number
CN202111404912.1A
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Chinese (zh)
Other versions
CN114102504B (en
Inventor
贺青斌
杨杰轩
张超
王锐之
江坤
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 XD Electric Co Ltd
Xian XD Transformer Co Ltd
Original Assignee
China XD Electric Co Ltd
Xian XD Transformer 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 China XD Electric Co Ltd, Xian XD Transformer Co Ltd filed Critical China XD Electric Co Ltd
Priority to CN202111404912.1A priority Critical patent/CN114102504B/en
Publication of CN114102504A publication Critical patent/CN114102504A/en
Application granted granted Critical
Publication of CN114102504B publication Critical patent/CN114102504B/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B25HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25BTOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B27/00Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E30/00Energy generation of nuclear origin
    • Y02E30/30Nuclear fission reactors

Abstract

The invention discloses a pull rod type sleeve dismounting protection device, which comprises: the guide tube, the fixed bolster, supplementary pull rod. When the auxiliary pull rod is used, the base of the auxiliary pull rod is fixed at the position of the flange at the top of the sleeve to be disassembled and assembled, and the auxiliary pull rod is moved along the guide pipe so that the third threads are matched and connected with the internal threads at the top of the pull rod; then the auxiliary nut at the second thread is abutted against the top of the guide pipe, and then the top nut of the pull rod is removed; moving the auxiliary nut at the second thread position to the first thread position, and abutting and locking the auxiliary nut with the auxiliary thread at the first thread position; then the auxiliary pull rod and the pull rod move towards the tail part of the sleeve at the same time until the joint of the last section of the small pull rod and the penultimate section of the small pull rod is completely exposed out of the inner cavity of the sleeve, and then the joint of the last section of the small pull rod and the penultimate section of the small pull rod is disconnected; connecting the last pull rod and the wiring terminal at the tail part with a lead wire of the electrical equipment, and then installing a product wire outlet device or a measuring device and the like; then hoisting and installing the casing to be installed, and finally removing the protection device.

Description

Pull rod type sleeve dismounting protection device
Technical Field
The invention relates to the technical field of electrical equipment disassembly and assembly, in particular to a pull rod type sleeve disassembly and assembly protection device.
Background
The sleeve is used as a main peripheral accessory of electrical equipment such as a converter transformer, a power transformer, a reactor and the like, and is very important for protecting the sleeve in the sleeve dismounting process. The sleeve mainly comprises a guide rod type, a plug-in type, a cable penetrating type and a pull rod type, wherein the structure of the pull rod type sleeve is complex; in the operation of a power grid, the pull rod penetrates through the inner cavity of the sleeve, is composed of N sections of sectional small pull rods and is a main current carrier. Because the internal design structures of equipment such as a converter transformer, a power transformer, a reactor and the like are different, the lead-out structures of products electrically connected with the tail part of the sleeve are different, and the lead-out structure generally comprises a lead-out device consisting of an insulation forming paper tube and a measuring device consisting of a current transformer.
Because the design of the self wire outlet position of the electrical equipment and the complexity of the pull rod type sleeve structure increase great difficulty for the integral installation and disassembly. The existing sleeve dismounting device is difficult to realize the synchronous lifting of the sleeve and the inner cavity pull rod, and has the risk that the pull rod slides out of the tail part of the sleeve downwards or penetrates out of the end part of the sleeve upwards; and the pull rod transition joint haulage rope rubs comparatively frequently with sleeve pipe inner chamber top in hoist and mount in-process, and at sleeve pipe hoist and mount in-process, if the transition joint haulage rope fracture, then there are unexpected risks such as the sleeve pipe pull rod drops, product insulation damage, operating personnel are injured.
Therefore, how to realize the safe disassembly and assembly of the sleeve is a difficult problem to be solved urgently in the field at the present stage.
Disclosure of Invention
In view of this, the present invention provides a pull rod type casing dismounting protection device, which can realize the safe dismounting of the casing and solve the problem in the field at the present stage.
A pull-rod sleeve disassembly and assembly protection device, comprising: the guide tube, the fixed support, insert the auxiliary pull rod in the said guide tube;
one end of the fixed support is connected with the peripheral surface of the guide pipe, and the other end of the fixed support is provided with a base fixed with the top end of the sleeve to be disassembled;
the top of the pull rod of the sleeve to be disassembled is provided with internal threads and external threads, and a top nut is sleeved on the external threads;
the top, the middle and the bottom of the peripheral surface of the auxiliary pull rod are respectively provided with a first thread, a second thread and a third thread, the first thread and the second thread are respectively sleeved with an auxiliary nut, and the auxiliary nut can move along the auxiliary pull rod;
the third thread is matched with the internal thread; the outer diameter of the auxiliary pull rod is not larger than the inner diameter of the top nut; the outer diameter of the auxiliary nut is not less than the inner diameter of the guide pipe.
Preferably, the pull rod type sleeve dismounting protection device further comprises a sliding pipe sleeved on the outer peripheral surface of the guide pipe and capable of sliding along the guide pipe; one end of the fixed support is rotatably connected with the peripheral surface of the sliding pipe, and the other end of the fixed support is rotatably connected with the base.
Preferably, pull rod formula sleeve pipe dismouting protection device, still include the dwang, the both ends of dwang respectively with the fixed bolster with the outer peripheral face of stand pipe rotates to be connected.
Preferably, the pull rod type sleeve dismounting and mounting protection device is characterized in that the fixed support is rotatably connected with the peripheral surface of the sliding pipe through a first connecting plate.
Preferably, the pull rod type sleeve dismounting protection device, the rotating rod is connected with the outer peripheral surface of the guide pipe in a rotating mode through a second connecting plate.
Preferably, pull rod formula sleeve pipe dismouting protection device, the dwang with the fixed bolster is a plurality of assorted.
Preferably, the pull rod type sleeve dismounting protection device is characterized in that the fixed support is rotatably connected with the base.
Preferably, the pull rod type sleeve dismounting and mounting protection device is provided with a threaded hole at the top end of the sleeve to be dismounted, and the base is provided with a screw matched with the threaded hole.
Preferably, the pull rod type sleeve dismounting protection device is provided with three auxiliary nuts.
Preferably, the pull rod type sleeve dismounting protection device is provided with four fixing supports.
The invention provides a pull rod type sleeve dismounting protection device, which comprises: the guide tube, the fixed support, insert the auxiliary pull rod in the guide tube; one end of the fixed bracket is connected with the peripheral surface of the guide pipe, and the other end of the fixed bracket is provided with a base fixed with the top end of the sleeve to be disassembled; the top of the pull rod of the sleeve to be disassembled is provided with internal threads and external threads, and a top nut is sleeved on the external threads; the top, the middle and the bottom of the peripheral surface of the auxiliary pull rod are respectively provided with a first thread, a second thread and a third thread, the first thread and the second thread are respectively sleeved with an auxiliary nut, and the auxiliary nut can move along the auxiliary pull rod; the third thread is matched with the internal thread; the outer diameter of the auxiliary pull rod is not larger than the inner diameter of the top nut; the outer diameter of the auxiliary nut is not less than the inner diameter of the guide tube. When the pull rod type sleeve needs to be disassembled and assembled, the base of the auxiliary pull rod is fixed at the position of a flange at the top of the sleeve to be disassembled and assembled, and the auxiliary pull rod is moved along the guide pipe so that the third threads are connected with the internal threads at the top of the pull rod in a matching manner; then the auxiliary nut at the second thread is abutted against the top of the guide pipe, and then the top nut of the pull rod is removed; moving the auxiliary nut at the second thread position to the first thread position, and abutting and locking the auxiliary nut with the auxiliary thread at the first thread position; then the auxiliary pull rod and the pull rod move towards the tail part of the sleeve at the same time until the joint of the last section of the small pull rod and the penultimate section of the small pull rod is completely exposed out of the inner cavity of the sleeve, and then the joint of the last section of the small pull rod and the penultimate section of the small pull rod is disconnected; connecting the last pull rod and the wiring terminal at the tail part with a lead wire of the electrical equipment, and then installing accessories such as a product wire outlet device or a measuring device and the like; then hoisting the casing to be installed, stopping when the tail part of the casing falls to the height required by the product installation technology, and connecting the penultimate pull rod at the tail part of the casing with the last pull rod at the tail part of the original casing; then the sleeve is descended, and the tail part of the sleeve is slowly inserted into the appearing device or the measuring device; after the sleeve falls in place, the sleeve is fastened with the mounting flange surface, the top nut of the pull rod is screwed, and finally the protection device is detached. Above-mentioned in-process, protection device can protect sleeve pipe and pull rod, avoids the pull rod to drop or wear out, realizes sheathed tube safe dismouting. Therefore, the pull rod type sleeve dismounting and mounting protection device provided by the invention can realize safe dismounting and mounting of the sleeve and solve the problem in the field at the present stage.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a general schematic view of a pull rod type casing dismounting protection device according to an embodiment of the present invention;
FIG. 2 is a schematic view of an auxiliary drawbar according to an embodiment of the present invention;
FIG. 3 is a schematic view of the base of the protector engaging the top of the sleeve in accordance with an embodiment of the present invention;
FIG. 4 is a schematic view of the auxiliary pull rod in cooperation with the top nut in accordance with an embodiment of the present invention;
FIG. 5 is a schematic view of a top nut according to an embodiment of the present invention after removal;
fig. 6 is a schematic view of three auxiliary nuts locked against each other in the embodiment of the present invention.
In fig. 1-6:
a guide tube-1; a fixed support-2; an auxiliary pull rod-3; a sleeve-4; a base-5; a pull rod-6; a top nut-7; a first thread-8; a second thread-9; a third thread-10; an auxiliary nut-11; a slide tube-12; a rotating rod-13; a first connecting plate-14; a second connecting plate-15; screw-16.
Detailed Description
The core of the specific embodiment is to provide a pull rod type sleeve dismounting protection device, which can realize safe dismounting of a sleeve and solve the problem in the field at the present stage.
Hereinafter, embodiments will be described with reference to the drawings. The embodiments described below do not limit the contents of the invention described in the claims. The entire contents of the configurations shown in the following embodiments are not limited to those required as solutions of the inventions described in the claims.
This embodiment provides a pull rod formula sleeve pipe dismouting protection device, includes: the device comprises a guide pipe 1, a fixed support 2 and an auxiliary pull rod 3 inserted in the guide pipe 1; one end of the fixed bracket 2 is connected with the peripheral surface of the guide pipe 1, and the other end is provided with a base 5 fixed with the top end of the sleeve 4 to be disassembled and assembled; the top of the pull rod 6 of the sleeve 4 to be disassembled is provided with internal threads and external threads, and the external threads are sleeved with a top nut 7; the top, the middle and the bottom of the peripheral surface of the auxiliary pull rod 3 are respectively provided with a first thread 8, a second thread 9 and a third thread 10, the first thread 8 and the second thread 9 are respectively sleeved with an auxiliary nut 11, and the auxiliary nut 11 can move along the auxiliary pull rod 3; the third thread 10 is matched with the internal thread; the outer diameter of the auxiliary pull rod 3 is not larger than the inner diameter of the top nut 7; the outer diameter of the auxiliary nut 11 is not smaller than the inner diameter of the guide tube 1.
When the pull rod type sleeve needs to be disassembled and assembled, the base 5 of the auxiliary pull rod 3 is fixed at the flange position at the top of the sleeve 4 to be disassembled and assembled, and the auxiliary pull rod 3 moves along the guide pipe 1 so that the third threads 10 are matched and connected with the internal threads at the top of the pull rod 6; then the auxiliary nut 11 at the second thread 9 is abutted against the top of the guide tube 1, and then the top nut 7 of the pull rod 6 is removed; then the auxiliary nut 11 at the second thread 9 is moved to the first thread 8 and is propped against and locked with the auxiliary thread at the first thread 8; then the auxiliary pull rod 3 and the pull rod 6 simultaneously move towards the tail part of the sleeve 4 until the connecting part of the last section of the small pull rod 6 and the penultimate section of the small pull rod 6 is completely exposed out of the inner cavity of the sleeve 4, and then the connecting part of the two is disconnected; connecting the last pull rod 6 and the wiring terminal at the tail part with a lead wire of the electrical equipment for outgoing lines, and then installing accessories such as a product outgoing line device or a measuring device and the like; then hoisting the casing 4 to be installed, stopping when the tail of the casing 4 is positioned to the height required by the product installation technology, and connecting the penultimate pull rod 6 at the tail of the casing 4 with the last pull rod 6 at the tail of the original casing 4; then the sleeve 4 is descended, and the tail part of the sleeve 4 is slowly inserted into the appearing device or the measuring device; after the sleeve 4 is lowered in place, the sleeve 4 is fastened with the mounting flange surface, the top nut 7 of the pull rod 6 is screwed, and finally the protection device is detached.
Above-mentioned in-process, protection device can protect sleeve pipe 4 and pull rod 6, avoids pull rod 6 to drop or wear out, realizes sleeve pipe 4's safe dismouting.
Therefore, the pull rod type sleeve dismounting and mounting protection device provided by the invention can realize safe dismounting and mounting of the sleeve 4, and solves the problem in the field at the present stage. Please refer to fig. 1-6.
The more detailed working process of the pull rod type sleeve dismounting and mounting protection device is as follows:
firstly, after the pull rod type sleeve opening inspection is finished, horizontally lifting a sleeve 4 packaging box out, and placing the sleeve on the ground; then the protective cover for transporting the end part and the tail part of the sleeve 4 is removed, accessories such as a sealing cover plate of the end pull rod 6 and the like are removed, and a connector of the end pull rod 6 of the sleeve 4 and a connecting terminal of the tail pull rod 6 of the sleeve 4 are exposed.
Next, the protection device is mounted at the flange position of the end of the pull rod type sleeve of the electrical equipment such as a converter transformer, a power transformer, a reactor, etc. by fastening bolts through the base 5 of the fixing bracket 2, please refer to fig. 3.
And thirdly, slowly inserting the auxiliary pull rod 3 along the inner wall of the guide pipe 1, and locking and fixing the third thread 10 of the auxiliary pull rod 3 with the internal thread of the pull rod 6 at the end part of the sleeve 4, as shown in fig. 4. Then, moving an auxiliary nut 11 at a second thread 9 of the auxiliary pull rod 3 to the end surface of the guide tube 1, and abutting against the top end of the guide tube 1 to be locked and fixed, please refer to fig. 1; after checking that the tightening is good, the top nut 7 and its washer are removed from the tie rod 6 at the end of the sleeve 4, see fig. 5.
And thirdly, after the top nut 7 at the end part of the pull rod 6 is removed, the auxiliary nut 11 at the second thread 9 of the auxiliary pull rod 3 is screwed to the position of the first thread 8 of the auxiliary pull rod 3 and is locked and fixed with the auxiliary nut 11 at the first thread 8, as shown in fig. 6. Then, the pull rod 6 of the sleeve 4 and the auxiliary pull rod 3 integrally move to the tail part of the sleeve 4 slowly along the guide pipe 1; when the connection part of the last pull rod 6 and the penultimate pull rod 6 at the tail part of the sleeve 4 is completely exposed out of the inner cavity of the sleeve 4, the last pull rod 6 and the penultimate pull rod 6 at the tail part are disconnected at the connection position, the last pull rod 6 and the wiring terminal at the tail part are connected with lead wires in electrical equipment such as a converter transformer, a power transformer, a reactor and the like, and finally accessories such as a product wire outlet device or a measuring device and the like are installed.
Then, the auxiliary nuts 11 at the first threads 8 of the guide tube 1 are checked again so that the plurality of auxiliary nuts 11 should be firmly fastened to each other.
Hoisting the sleeve 4 according to the use specification of the sleeve 4, and adjusting the installation angle of the sleeve 4 according to the installation and use specification of a product; slowly and stably hoisting the sleeve 4, stopping when the tail part of the sleeve 4 falls to the height required by the technical requirements of the product installation and use specifications, connecting the penultimate pull rod 6 at the tail part of the sleeve 4 with the installed pull rod 6 of the converter transformer product, namely the last pull rod 6 at the tail part of the original sleeve 4, and coating thread locking glue; and continuing to slowly drop the sleeve 4, and slowly inserting the tail part of the sleeve 4 into a wire outlet device or a measuring device. In the process, the pull rod 6 in the inner cavity of the sleeve 4 and the auxiliary pull rod 3 integrally slide upwards along the guide tube 1 relative to the side wall of the sleeve 4.
Recently, after the sleeve 4 is lowered to the proper position, the sleeve 4 is fastened with the mounting flange surface, and the auxiliary nut 11 at the end of the guide tube 1 is locked and fixed, please refer to fig. 1; and the top nut 7 at the pull rod 6 at the end of the sleeve 4 is tightened, please refer to fig. 4, and finally the pull rod type sleeve protection device is removed.
The pull rod type sleeve dismounting and mounting protection device provided by the specific embodiment can further comprise a sliding pipe 12 which is sleeved on the outer peripheral surface of the guide pipe 1 and can slide along the guide pipe 1; one end of the fixed bracket 2 is rotatably connected with the peripheral surface of the slide pipe 12, and the other end is rotatably connected with the base 5.
Further, a rotating rod 13 can be further included, and two ends of the rotating rod 13 can be respectively and rotatably connected with the outer peripheral surfaces of the fixed support 2 and the guide pipe 1.
The cooperation of slide 12 and dwang 13 can be according to the size that a plurality of fixed bolsters 2 of the size adjustment of sleeve pipe 4 dispersed, and then the top terminal surface of the sleeve pipe 4 of better adaptation different models.
In the pull rod type sleeve dismounting and mounting protection device provided by the embodiment, the fixed bracket 2 can be rotatably connected with the outer peripheral surface of the sliding pipe 12 through the first connecting plate 14; similarly, the rotating rod 13 is rotatably connected to the outer peripheral surface of the guide tube 1 through the second connecting plate 15.
Of course, in practical design, the fixed bracket 2 and the slide pipe 12 can be connected in rotation by other connecting elements; the rotating rod 13 can be rotatably connected with the outer peripheral surface of the guide tube 1 through other connecting elements.
This embodiment provides a pull rod formula sleeve pipe dismouting protection device, dwang 13 and fixed bolster 2 can be a plurality ofly of assorted, and then better realization is to protection device's installation and fixed.
In the pull rod type sleeve dismounting protection device provided by the specific embodiment, the fixed support 2 and the base 5 can be rotatably connected, so that the angle between the base 5 and the fixed support 2 can be better adjusted according to actual angle requirements.
The pull rod type sleeve dismounting protection device provided by the specific embodiment has the advantages that the top end of the sleeve 4 to be dismounted can be provided with a threaded hole, the base 5 can be provided with a screw 16 matched with the threaded hole, and the sleeve 4 and the base 5 are fixed through the matching of the screw 16 and the threaded hole.
In the pull rod type casing dismounting protection device provided by the embodiment of the invention, the number of the auxiliary nuts 11 can be multiple, for example, three, or other numbers capable of playing the same role; the number of the fixing brackets 2 may be plural, for example, four, or other numbers capable of functioning equally.
In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present application. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (10)

1. The utility model provides a pull rod formula sleeve pipe dismouting protection device which characterized in that includes: the device comprises a guide pipe (1), a fixed support (2) and an auxiliary pull rod (3) inserted in the guide pipe (1);
one end of the fixed support (2) is connected with the peripheral surface of the guide pipe (1), and the other end of the fixed support is provided with a base (5) fixed with the top end of the sleeve (4) to be disassembled and assembled;
the top of a pull rod (6) of the sleeve (4) to be disassembled is provided with internal threads and external threads, and a top nut (7) is sleeved on the external threads;
the top, the middle and the bottom of the peripheral surface of the auxiliary pull rod (3) are respectively provided with a first thread (8), a second thread (9) and a third thread (10), the first thread (8) and the second thread (9) are respectively sleeved with an auxiliary nut (11), and the auxiliary nut (11) can move along the auxiliary pull rod (3);
the third thread (10) is matched with the internal thread; the outer diameter of the auxiliary pull rod (3) is not larger than the inner diameter of the top nut (7); the outer diameter of the auxiliary nut (11) is not less than the inner diameter of the guide pipe (1).
2. The pull rod type sleeve dismounting and mounting protection device according to claim 1, further comprising a sliding tube (12) sleeved on the outer peripheral surface of the guide tube (1) and capable of sliding along the guide tube (1); one end of the fixed support (2) is rotatably connected with the peripheral surface of the sliding pipe (12), and the other end of the fixed support is rotatably connected with the base (5).
3. The pull rod type sleeve dismounting and mounting protection device according to claim 2, further comprising a rotating rod (13), wherein two ends of the rotating rod (13) are respectively rotatably connected with the fixed support (2) and the outer peripheral surface of the guide tube (1).
4. The pull rod type sleeve dismounting and mounting protection device according to claim 2, wherein the fixed bracket (2) is rotatably connected with the outer peripheral surface of the slide pipe (12) through a first connecting plate (14).
5. The pull rod type sleeve dismounting and mounting protection device according to claim 3, wherein the rotating rod (13) is rotatably connected with the outer peripheral surface of the guide tube (1) through a second connecting plate (15).
6. The pull rod type sleeve dismounting and mounting protection device according to claim 3, wherein the rotating rod (13) and the fixed support (2) are matched in a plurality.
7. The pull rod type sleeve dismounting protection device according to claim 1, wherein the fixing bracket (2) is rotatably connected with the base (5).
8. The pull rod type sleeve dismounting protection device according to claim 1, wherein a threaded hole is formed at the top end of the sleeve (4) to be dismounted, and the base (5) is provided with a screw (16) matched with the threaded hole.
9. The pull rod type sleeve disassembly and assembly protection device according to claim 1, wherein the number of the auxiliary nuts (11) is three.
10. Pull rod sleeve removal protection device according to claim 1, characterized in that the number of the fixing brackets (2) is four.
CN202111404912.1A 2021-11-24 2021-11-24 Pull rod type sleeve disassembly and assembly protection device Active CN114102504B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202111404912.1A CN114102504B (en) 2021-11-24 2021-11-24 Pull rod type sleeve disassembly and assembly protection device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202111404912.1A CN114102504B (en) 2021-11-24 2021-11-24 Pull rod type sleeve disassembly and assembly protection device

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Publication Number Publication Date
CN114102504A true CN114102504A (en) 2022-03-01
CN114102504B CN114102504B (en) 2024-01-26

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102013101083A1 (en) * 2013-02-04 2014-08-07 Yakita Metal Industry Co., Ltd. Auxiliary tool for mounting shock absorber for reducing oscillation in e.g. motor car, has rotary element comprising screw hole with internal thread that is precisely fitted to inner pipe body and rotatably arranged at end section
KR20190034366A (en) * 2017-09-22 2019-04-02 한국전력공사 Terminal apparatus for pad mounted transformer
CN110867308A (en) * 2018-08-28 2020-03-06 沈阳和新套管有限公司 Oil paper insulation temperature self-adaptation pull rod type sleeve
CN110948435A (en) * 2019-11-22 2020-04-03 广东电网有限责任公司 Conductor spacer assembly and disassembly tools
CN211388574U (en) * 2019-12-23 2020-09-01 长春市三环通用设备有限公司 Skeleton oil blanket detacher

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102013101083A1 (en) * 2013-02-04 2014-08-07 Yakita Metal Industry Co., Ltd. Auxiliary tool for mounting shock absorber for reducing oscillation in e.g. motor car, has rotary element comprising screw hole with internal thread that is precisely fitted to inner pipe body and rotatably arranged at end section
KR20190034366A (en) * 2017-09-22 2019-04-02 한국전력공사 Terminal apparatus for pad mounted transformer
CN110867308A (en) * 2018-08-28 2020-03-06 沈阳和新套管有限公司 Oil paper insulation temperature self-adaptation pull rod type sleeve
CN110948435A (en) * 2019-11-22 2020-04-03 广东电网有限责任公司 Conductor spacer assembly and disassembly tools
CN211388574U (en) * 2019-12-23 2020-09-01 长春市三环通用设备有限公司 Skeleton oil blanket detacher

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