CN113020331A - Wire crimping pipe unscrambler - Google Patents
Wire crimping pipe unscrambler Download PDFInfo
- Publication number
- CN113020331A CN113020331A CN202110136514.XA CN202110136514A CN113020331A CN 113020331 A CN113020331 A CN 113020331A CN 202110136514 A CN202110136514 A CN 202110136514A CN 113020331 A CN113020331 A CN 113020331A
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- China
- Prior art keywords
- jack
- plate
- movable plate
- wire crimping
- base
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- 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
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- 238000002788 crimping Methods 0.000 title claims abstract description 44
- 238000000034 method Methods 0.000 claims description 16
- 238000012937 correction Methods 0.000 claims description 15
- 230000008569 process Effects 0.000 claims description 9
- 238000012544 monitoring process Methods 0.000 claims description 3
- 238000005452 bending Methods 0.000 description 9
- 238000010276 construction Methods 0.000 description 7
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000004020 conductor Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000012549 training Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D3/00—Straightening or restoring form of metal rods, metal tubes, metal profiles, or specific articles made therefrom, whether or not in combination with sheet metal parts
- B21D3/10—Straightening or restoring form of metal rods, metal tubes, metal profiles, or specific articles made therefrom, whether or not in combination with sheet metal parts between rams and anvils or abutments
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing Of Electrical Connectors (AREA)
Abstract
The invention relates to a wire crimping pipe straightener which comprises a base and a jack, wherein two supporting arms are arranged at two ends of the base and are positioned at two sides of the jack, each supporting arm comprises a fixed plate, a movable plate and a connecting plate, through holes are formed in the lower ends of the fixed plate and the movable plate, the base is provided with a connecting hole, the fixed plate and the movable plate are connected with the base through bolts, the fixed plate is fixedly connected with the connecting plate, the connecting plate is provided with a notch, the connecting plate is provided with a positioning pin, the movable plate is provided with a pin hole corresponding to the positioning pin, the jack is a manual-automatic integrated jack, the jack comprises a battery pack, and the straightener further comprises a remote controller for controlling the start of the. The corrector can correct the wire crimping pipe on the ground and also can correct the wire crimping pipe at high altitude.
Description
[ technical field ] A method for producing a semiconductor device
The invention relates to a wire crimping pipe corrector, and belongs to the technical field of wire crimping pipe correction devices.
[ background of the invention ]
In the process of line construction, due to the training degree of construction operators, the service level capability, the responsibility center, the external force and the like, the bending deformation of the wire crimping pipe often occurs. If the bending of the crimping pipe can be found out in time, the bending can be solved by adopting a ground correction method, but the bending of the crimping pipe is often found after the wire laying is finished due to various reasons in the actual construction process. The correction method in the actual construction process is mainly divided into two methods: firstly, if the bending of the compression joint pipe is found on the ground, the existing method mainly adopts a sledge hammer to carry out extensive correction, and the specific method is to clamp the bent compression joint pipe by two straight sleepers on the ground, one person uses two hands to hold the sleepers to prevent dislocation, the other person uses the sledge hammer to fully knock the sleepers, and the compression joint pipe is corrected by utilizing the clamping force between the two sleepers. Secondly, if the bending deformation of the crimping pipe is found in the air, the lead or the lightning conductor has no force point in the air, and the lead or the lightning conductor must be corrected by a sledge hammer after falling to the ground, however, in the actual situation, the method of falling to the ground and then correcting the lead is almost impossible to construct in the mountainous area due to the restriction of factors such as 'valleys, trees, cliffs' and the like, even if the method can be realized, a large amount of manpower, material resources and financial resources are wasted, and the loss of construction safety and construction progress is caused.
[ summary of the invention ]
The invention aims to solve the technical problem of a wire crimping pipe corrector, which can correct the wire crimping pipe on the ground and also can correct the wire crimping pipe at high altitude.
The technical scheme adopted by the invention is as follows:
a wire crimping pipe straightener comprises a base and a jack, wherein two supporting arms are arranged at two ends of the base and are positioned at two sides of the jack, the supporting arms comprise a fixed plate, a movable plate and a connecting plate, the connecting plate is respectively connected with the upper ends of the fixed plate and the movable plate to form a limiting groove, the lower ends of the fixed plate and the movable plate are provided with through holes, the base is provided with connecting holes corresponding to the through holes, the fixed plate and the movable plate are connected with the base through bolts, the movable plate and the fixed plate can rotate around the bolts, the fixed plate is fixedly connected with the connecting plate, the connecting plate is provided with a notch for avoiding the movable plate, the connecting plate is provided with a positioning pin, the movable plate is provided with a pin hole corresponding to the positioning pin, the jack is an automatic-manual jack, the jack, the appliance also includes a remote control for controlling the actuation of the jack.
The beneficial effects of the invention are as follows:
the invention comprises a base, a jack and supporting arms arranged at two sides of the jack, wherein the supporting arms comprise a fixed plate, a movable plate and a connecting plate, the connecting plate is respectively connected with the upper ends of the fixed plate and the movable plate to form a limit groove, the lower ends of the fixed plate and the movable plate are connected with the base through bolts, the movable plate and the fixed plate can rotate around the bolts, in addition, the fixed plate is fixedly connected with the connecting plate, the connecting plate is provided with a notch for avoiding the movable plate, a wire crimping pipe can enter the limit groove by rotating the movable plate, the invention realizes the correction of the crimping pipe through the supporting arms at two sides and the jack in the middle, wherein the jack pushes the bending part of the wire crimping pipe upwards, the supporting arms at two sides limit upwards, the correction of the crimping pipe is realized under the cooperation of the supporting arms at two sides, and the invention can correct the wire crimping pipe at high altitude through, therefore, the invention has wider application range, can save a great deal of manpower, material resources and financial resources when correcting the overhead crimping pipe, and can also greatly improve the operation safety and reduce the operation difficulty.
In addition, the movable plate and the connecting plate are fixed through the positioning pin, the movable plate can rotate around the bolt, the wire crimping pipe can enter the limiting groove by rotating the movable plate, and then the movable plate is fixed through the bolt, so that the wire crimping pipe cannot be separated from the limiting groove.
The jack is a manual-automatic integrated jack, can be operated manually or can run automatically, and is also provided with a remote controller for controlling the jack to be started, so that a worker can remotely control the jack through the remote controller, the difficulty of high-altitude operation is reduced, and the jack can be operated manually when the electric quantity of the jack is insufficient or other special scenes exist, so that the jack can adapt to various working scenes. In addition, the jack comprises a battery pack, the battery pack is detachably connected with the base, the weight of the device body can be reduced, and the battery pack with different battery capacities can be replaced according to actual working requirements.
Preferably, the jack comprises a jack head, a stroke sensor for detecting the stroke of the jack is arranged on the jack, the stroke sensor is fixedly connected with the jack, and a display for displaying the stroke of the jack is arranged on the base.
Preferably, the locating pin includes the round pin body, connecting rod and round pin head, the round pin body is connected to the connecting rod and the round pin head, the diameter of the round pin body is greater than the connecting rod, the connecting plate is equipped with the recess that supplies the round pin body to remove, the cover is equipped with the spring on the connecting rod, the spring is in between the inner wall of round pin body and recess.
Preferably, the side edge of the pin head is provided with an anti-slip layer.
Preferably, the connecting hole is a waist-shaped hole, and the length direction of the waist-shaped hole is horizontal.
Preferably, the corrector further comprises a stroke control system, the stroke control system is provided with a stroke self-locking function, the stroke control system can be provided with a preset value, and the jack automatically releases pressure after the stroke of the jack reaches the preset value.
Preferably, a camera for monitoring the correction process is arranged on the upper side of the connecting plate.
Other features and advantages of the present invention will be disclosed in more detail in the following detailed description of the invention and the accompanying drawings.
[ description of the drawings ]
The invention is further described below with reference to the accompanying drawings:
FIG. 1 is a front view of embodiment 1 of the present invention;
FIG. 2 is a side view of example 1 of the present invention;
fig. 3 is a sectional view of a connection plate in embodiment 1 of the present invention.
Reference numerals: the device comprises a base 1, a connecting hole 101, a jack 2, a supporting arm 3, a movable plate 301, a fixed plate 302, a connecting plate 303, a limiting groove 304, a bolt 311, a pin 331, a connecting rod 332, a pin 333, a spring 334, a camera 335, an anti-slip layer 336, a notch 337, a 4-stroke sensor and a display 5.
[ detailed description ] embodiments
The technical solutions of the embodiments of the present invention are explained and illustrated below with reference to the drawings of the embodiments of the present invention, but the following embodiments are only preferred embodiments of the present invention, and not all embodiments. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative effort belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used 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, are not to be considered as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless explicitly defined otherwise.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Example 1:
as shown in fig. 1 to 3, the present embodiment shows a wire crimping pipe straightener, which is characterized in that: the lifting jack comprises a base 1 and a lifting jack 2, two supporting arms 3 are arranged at two ends of the base 1, the two supporting arms 3 are arranged at two sides of the lifting jack 2, each supporting arm 3 comprises a fixed plate 302, a movable plate 301 and a connecting plate 303, the connecting plate 303 is respectively connected with the upper ends of the fixed plate 302 and the movable plate 301 to form a limiting groove 304, the lower ends of the fixed plate 302 and the movable plate 301 are provided with through holes, the base 1 is provided with a connecting hole 101 corresponding to the through holes, the fixed plate 302 and the movable plate 301 are connected with the base 1 through a bolt 311, the movable plate 301 and the fixed plate 302 can rotate around the bolt 311, the fixed plate 302 is fixedly connected with the connecting plate 303, the connecting plate 303 is provided with a notch 337 for avoiding the movable plate 301, the connecting plate 303 is provided with a positioning pin, the movable plate, jack 2 includes the group battery, the group battery can be dismantled with base 1 and be connected, the unscrambler still includes the remote controller that is used for controlling jack 2 to start.
The embodiment comprises a base 1, a jack 2 and supporting arms 3 arranged at two sides of the jack 2, wherein the supporting arms 3 comprise a fixed plate 302, a movable plate 301 and a connecting plate 303, the connecting plate 303 is respectively connected with the upper ends of the fixed plate 302 and the movable plate 301 to form a limiting groove 304, the lower ends of the fixed plate 302 and the movable plate 301 are connected with the base 1 through bolts 311, the movable plate 301 and the fixed plate 302 can rotate around the bolts 311, in addition, the fixed plate 302 is fixedly connected with the connecting plate 303, the connecting plate 303 is provided with a notch 337 for avoiding the movable plate 301, a wire crimping pipe can enter the limiting groove 304 by rotating the movable plate 301, the embodiment realizes the correction of the crimping pipe through the supporting arms 3 at two sides and the middle jack 2, wherein the jack 2 pushes the bending part of the wire crimping pipe upwards, and the supporting arms 3 at, the correction to the crimping pipe is realized under the cooperation of the two, and the wire crimping pipe can be corrected on the ground and at high altitude through the hanging of the supporting arm 3, so the application range of the embodiment is wider, a large amount of manpower, material resources and financial resources can be saved when the aerial crimping pipe is corrected, the operation safety can be greatly improved, and the operation difficulty is reduced.
In addition, in the present embodiment, the movable plate 301 and the connecting plate 303 are fixed by a positioning pin, the movable plate 301 can rotate around the bolt 311, the wire crimping tube can enter the limiting groove 304 by rotating the movable plate 301, and then the movable plate 301 is fixed by the bolt 311, so that the wire crimping tube cannot be separated from the limiting groove 304.
Secondly, in this embodiment jack 2 is manual-automatic jack 2, can also automatic operation with manual operation, jack 2 still is furnished with the remote controller that is used for controlling jack 2 and starts, through the remote controller makes the staff can control in long-range, has reduced high altitude construction's the degree of difficulty, and can carry out manual operation when jack 2 electric quantity is not enough or other special scenes, makes this embodiment can adapt to multiple job scene. In addition, jack 2 includes the group battery, the group battery can be dismantled with base 1 and be connected, can reduce the weight of device body, also can require to change the group battery of different battery capacity according to actual work.
In order to facilitate the connection between the movable plate 301 and the connecting plate 303, the positioning pin in this embodiment includes a pin body 333, a connecting rod 332 and a pin head 331, the connecting rod 332 connects the pin body 333 and the pin head 331, the pin body 333 has a larger diameter than the connecting rod 332, the connecting plate 303 has a groove for the pin body 333 to move, the connecting rod 332 is sleeved with a spring 334, the spring 334 is located between the pin body 333 and an inner wall of the groove, when the connection between the movable plate 301 and the connecting plate 303 is released, a worker pulls the pin head 331 to move the pin body 333 inwards along the groove, the pin body 333 is separated from a pin hole of the movable plate 301, so that the movable plate 301 is separated from the connecting plate 303, the movable plate 301 can rotate around the bolt 311, the crimping pipe is conveniently guided into the limiting groove 304, when the movable plate 301 and the connecting plate 303 are fixed, the movable plate 301 enters the notch 337 of the connecting, the worker releases the pin head 331, and the pin body 333 restores the original position of the pin body 333 under the action of the spring 334, so that the connection plate 303 and the movable plate 301 are fixed. In addition, in order to make it easier for the worker to pull the pin 331, in this embodiment, the anti-slip layer 336 is disposed around the pin 331, and the anti-slip layer 336 can increase the friction between the fingers and the pin 331.
Regarding the jack 2, in this embodiment, the jack 2 includes a jack head, a stroke sensor 4 for detecting a stroke of the jack 2 is arranged on the jack 2, the stroke sensor 4 is fixedly connected with the jack 2, a display 5 for displaying a stroke of the jack 2 is arranged on the base 1, a stroke control system is further arranged on the base 1, the stroke control system has a stroke self-locking function, a worker can set a preset value of the stroke of the jack 2 according to a bending degree of a wire crimping pipe, the stroke sensor 4 moves upwards along with the jack head after the jack 2 is started, the stroke sensor 4 detects a stroke distance in real time and sends information to the display 5, the worker can observe the stroke of the jack 2 in real time through the display 5, and when the stroke of the jack 2 reaches the preset value, the jack 2 automatically releases pressure, the invention can avoid the phenomenon that the wire crimping pipe is bent again due to excessive lifting of the jack 2, improve the correction precision and reduce the damage to the wire crimping pipe.
Regarding the connection hole 101, in the present embodiment, the connection hole 101 is a waist-shaped hole, the length direction of the waist-shaped hole is horizontally disposed, and the bolt 311 may move along the length direction of the waist-shaped hole, so as to adjust the distance between the two support arms 3, so that the present embodiment can correct different types of crimping tubes.
In order to facilitate the observation of the correction process by the staff, the upper side of the connecting plate 303 is provided with a camera 335 for monitoring the correction process in this embodiment, and the staff can remotely monitor the correction process through the camera 335, so that the staff can know the whole correction process at any time.
While the invention has been described with reference to specific embodiments thereof, it will be understood by those skilled in the art that the invention is not limited thereto, and may be embodied in many different forms without departing from the spirit and scope of the invention as set forth in the following claims. Any modification which does not depart from the functional and structural principles of the present invention is intended to be included within the scope of the claims.
Claims (7)
1. The utility model provides a wire crimping pipe unscrambler which characterized in that: comprises a base and a jack, two supporting arms are arranged at two ends of the base and are positioned at two sides of the jack, the supporting arm comprises a fixed plate, a movable plate and a connecting plate, the connecting plate is respectively connected with the upper ends of the fixed plate and the movable plate to form a limiting groove, the lower ends of the fixed plate and the movable plate are provided with through holes, the base is provided with connecting holes corresponding to the through holes, the fixed plate and the movable plate are connected with the base through bolts, the movable plate and the fixed plate can rotate around the bolts, the fixed plate is fixedly connected with a connecting plate, the connecting plate is provided with a notch for avoiding the movable plate, the connecting plate is provided with a positioning pin, the movable plate is provided with a pin hole corresponding to the positioning pin, the jack is a manual-automatic integrated jack, the jack includes the group battery, the group battery can be dismantled with the base and be connected, the unscrambler still includes the remote controller that is used for controlling the jack to start.
2. The wire crimping tube straightener of claim 1, wherein: the jack comprises a jack head, a stroke sensor used for detecting the stroke of the jack is arranged on the jack, the stroke sensor is fixedly connected with the jack, and a display used for displaying the stroke of the jack is arranged on the base.
3. The wire crimping tube straightener of claim 1, wherein: the locating pin includes the round pin body, connecting rod and round pin head, the connecting rod is connected the round pin body and is sold the head, the diameter of the round pin body is greater than the connecting rod, the connecting plate is equipped with the recess that supplies the round pin body to remove, the cover is equipped with the spring on the connecting rod, the spring is in between the inner wall of round pin body and recess.
4. The wire crimping tube straightener of claim 3, wherein: and an anti-skid layer is arranged on the side edge of the pin head.
5. The wire crimping tube straightener of claim 1, wherein: the connecting hole is a waist-shaped hole, and the length direction of the waist-shaped hole is horizontal.
6. The wire crimping tube straightener of claim 1, wherein: the corrector also comprises a stroke control system, wherein the stroke control system is provided with a stroke self-locking function, the stroke control system can be provided with a preset value, and the jack automatically releases pressure after the stroke of the jack reaches the preset value.
7. The wire crimping tube straightener of claim 1, wherein: the upper side of the connecting plate is provided with a camera for monitoring the correction process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110136514.XA CN113020331A (en) | 2021-02-01 | 2021-02-01 | Wire crimping pipe unscrambler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110136514.XA CN113020331A (en) | 2021-02-01 | 2021-02-01 | Wire crimping pipe unscrambler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113020331A true CN113020331A (en) | 2021-06-25 |
Family
ID=76459746
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110136514.XA Pending CN113020331A (en) | 2021-02-01 | 2021-02-01 | Wire crimping pipe unscrambler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113020331A (en) |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE9313601U1 (en) * | 1993-09-09 | 1993-11-11 | Karl Pfisterer Elektrotechnische Spezialartikel Gmbh & Co Kg, 70327 Stuttgart | Straightening device |
| TWM358821U (en) * | 2008-11-05 | 2009-06-11 | Shinn Fu Corp | Wireless controlled electric jack |
| CN202103371U (en) * | 2011-04-30 | 2012-01-04 | 云南电网公司大理供电局 | Corrector for splicing sleeve of overhead transmission line |
| CN203135194U (en) * | 2013-03-26 | 2013-08-14 | 重庆市电力公司检修分公司 | Portable crimping tube bending corrector |
| CN204793550U (en) * | 2015-08-03 | 2015-11-18 | 国网山东省电力公司潍坊供电公司 | Conductor compression jointing pipe unscrambler |
| CN105776088A (en) * | 2016-04-05 | 2016-07-20 | 徐州工程学院 | Automatic lifting control device for pruning garden trees and use method thereof |
| CN205666556U (en) * | 2016-05-20 | 2016-10-26 | 张培毅 | Conductor compression jointing pipe orthotic devices |
| CN205914565U (en) * | 2016-08-25 | 2017-02-01 | 浙江省送变电工程公司 | High altitude crimping pipe corrector |
| CN206009477U (en) * | 2016-08-31 | 2017-03-15 | 段宏 | A kind of hydraulic pressure swage for bending aluminium hydraulic pressed connecting pipe |
| CN208879392U (en) * | 2018-07-12 | 2019-05-21 | 辽宁省送变电工程有限公司 | A kind of construction of power transmission and transformation pressure connecting pipe for lead wire swage |
| CN210701798U (en) * | 2019-10-21 | 2020-06-09 | 国网湖南省电力有限公司 | Straightening tool for large-section lead crimping pipe |
| CN211330807U (en) * | 2019-11-26 | 2020-08-25 | 上海振华重工(集团)股份有限公司南通分公司 | Pipe clod wash frock |
-
2021
- 2021-02-01 CN CN202110136514.XA patent/CN113020331A/en active Pending
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE9313601U1 (en) * | 1993-09-09 | 1993-11-11 | Karl Pfisterer Elektrotechnische Spezialartikel Gmbh & Co Kg, 70327 Stuttgart | Straightening device |
| TWM358821U (en) * | 2008-11-05 | 2009-06-11 | Shinn Fu Corp | Wireless controlled electric jack |
| CN202103371U (en) * | 2011-04-30 | 2012-01-04 | 云南电网公司大理供电局 | Corrector for splicing sleeve of overhead transmission line |
| CN203135194U (en) * | 2013-03-26 | 2013-08-14 | 重庆市电力公司检修分公司 | Portable crimping tube bending corrector |
| CN204793550U (en) * | 2015-08-03 | 2015-11-18 | 国网山东省电力公司潍坊供电公司 | Conductor compression jointing pipe unscrambler |
| CN105776088A (en) * | 2016-04-05 | 2016-07-20 | 徐州工程学院 | Automatic lifting control device for pruning garden trees and use method thereof |
| CN205666556U (en) * | 2016-05-20 | 2016-10-26 | 张培毅 | Conductor compression jointing pipe orthotic devices |
| CN205914565U (en) * | 2016-08-25 | 2017-02-01 | 浙江省送变电工程公司 | High altitude crimping pipe corrector |
| CN206009477U (en) * | 2016-08-31 | 2017-03-15 | 段宏 | A kind of hydraulic pressure swage for bending aluminium hydraulic pressed connecting pipe |
| CN208879392U (en) * | 2018-07-12 | 2019-05-21 | 辽宁省送变电工程有限公司 | A kind of construction of power transmission and transformation pressure connecting pipe for lead wire swage |
| CN210701798U (en) * | 2019-10-21 | 2020-06-09 | 国网湖南省电力有限公司 | Straightening tool for large-section lead crimping pipe |
| CN211330807U (en) * | 2019-11-26 | 2020-08-25 | 上海振华重工(集团)股份有限公司南通分公司 | Pipe clod wash frock |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210625 |