CN113629580B - Mounting tool for power transmission line monitoring device and using method - Google Patents
Mounting tool for power transmission line monitoring device and using method Download PDFInfo
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- CN113629580B CN113629580B CN202110854359.5A CN202110854359A CN113629580B CN 113629580 B CN113629580 B CN 113629580B CN 202110854359 A CN202110854359 A CN 202110854359A CN 113629580 B CN113629580 B CN 113629580B
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- screw rod
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
- H02G1/02—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for overhead lines or cables
- H02G1/04—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for overhead lines or cables for mounting or stretching
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
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- General Physics & Mathematics (AREA)
- Automatic Assembly (AREA)
- Hand Tools For Fitting Together And Separating, Or Other Hand Tools (AREA)
Abstract
The invention provides a mounting tool for a power transmission line monitoring device, which comprises an upper pressing arm, a lower pressing arm, a rotating shaft assembly and a transmission plate, wherein two sides of the upper pressing arm and two sides of the lower pressing arm are rotationally connected through a first shaft pin, and the upper pressing arm and the lower pressing arm define a clamping part matched with the monitoring device; the rotating shaft assembly penetrates through the top of the upper pressing arm and extends into the clamping part, the transmission plate is arranged between the upper pressing arm and the lower pressing arm, the front end of the transmission plate is connected with the end part of the rotating shaft assembly in a rotating mode through a second shaft pin, the end of the transmission plate is connected with the rear end of the upper pressing arm in a rotating mode through a third shaft pin, the rear end of the transmission plate extends to the upper portion of the rear end of the lower pressing arm, the transmission plate is in contact with the rear end of the lower pressing arm to form a lever, and the holding force brought by the monitoring device can be reduced under the condition that the monitoring device is clamped through the mounting tool. The mounting tool converts the gripping force required by the monitoring device into labor-saving downward pressure based on the lever principle; through mechanisms such as bearings, the rotating shaft assembly can conveniently rotate to provide downward pressure, and the possibility of manual installation is provided.
Description
Technical Field
The invention relates to the technical field of electric power tools, in particular to a mounting tool for a power transmission line monitoring device and a using method of the mounting tool.
Background
The transmission line is an important link of electric energy transmission, and along with the continuous increase of the mileage of the transmission line, the contradiction between the rapid increase of the maintenance mileage of the power grid line and the relative shortage of the number of the operating and maintaining personnel of the power grid gradually appears. The remote observation of the running state of the power transmission line is realized through the power transmission line monitoring device, and the basis for realizing the online intelligent operation and maintenance of the line is realized.
The line on-line monitoring device needs to be directly installed on a power transmission line and has requirements on the holding power and the transverse force of the device. In the actual installation scene of monitoring devices, install on-line monitoring device on the wire, finally need to screw up the device both sides through the screw, because the grip of device is great, can't directly twist and move the screw, need through the external installation instrument with on-line monitoring device both sides pretension to mountable position in advance, rethread screw fixation.
Therefore, there is a need for a portable and labor-saving installation tool that can meet the requirements of grip strength and lateral force of an on-line monitoring device.
Disclosure of Invention
The invention aims to provide a mounting tool and a using method of a power transmission line monitoring device, wherein the gripping force required by the on-line monitoring device is converted into labor-saving downward pressure by a lever principle; through a labor-saving mechanism such as a bearing, a rotating shaft assembly of the mounting tool can conveniently rotate to provide downward pressure; and can also be installed through the electric mechanism, reduce people's output.
The embodiment of the invention is realized by the following technical scheme: a mounting tool for a power transmission line monitoring device comprises an upper pressure arm, a lower pressure arm, a rotating shaft assembly and a transmission plate, wherein two sides of the upper pressure arm and two sides of the lower pressure arm are rotationally connected through a first shaft pin, and the front ends of the upper pressure arm and the lower pressure arm jointly define a clamping part matched with the monitoring device;
the rotating shaft assembly penetrates through the top of the upper pressure arm and extends into the clamping part, the transmission plate is arranged between the upper pressure arm and the lower pressure arm, the front end of the transmission plate is connected with the end part of the rotating shaft assembly through a second shaft pin in a rotating mode, the end of the transmission plate is connected with the rear end of the upper pressure arm through a third shaft pin in a rotating mode, the rear end of the transmission plate extends to the upper portion of the rear end of the lower pressure arm, the transmission plate is in contact with the rear end of the lower pressure arm to form a lever, and the holding force brought by the monitoring device can be reduced by the aid of the installation tool under the condition of clamping the monitoring device.
According to a preferred embodiment, the opposite surfaces of the front ends of the upper pressure arm and the lower pressure arm are provided with fixing latch teeth.
According to a preferred embodiment, the rotating shaft assembly comprises a screw rod, a bearing, a screw rod nut and a screw rod rotating cylinder, the bearing is arranged above the upper pressing arm and used for reducing the rotating force, the bearing and the screw rod nut are sleeved on the screw rod, the bearing is arranged in a sleeve, the bottom of the screw rod nut is abutted against the top of the sleeve, the screw rod rotating cylinder is sleeved above a screw rod nut seat of the screw rod nut, and the sleeve, the screw rod nut and the screw rod rotating cylinder are fixed together.
According to a preferred embodiment, the sleeve, the screw nut and the screw rotary cylinder are fixed by a positioning pin.
According to a preferred embodiment, the bearing is a thrust ball bearing.
According to a preferred embodiment, the screw rod is further sleeved with a gasket between the bottom of the sleeve and the top of the upper pressing arm.
According to a preferred embodiment, the shim is a brass shim.
According to a preferred embodiment, the top of the screw rod is provided with a screwdriver head, and the top of the screw rod rotary cylinder piece is provided with a jack at a position corresponding to the screwdriver head.
The invention also provides a using method of the installation tool of the power transmission line monitoring device, and the installation tool comprises the following steps:
firstly, clamping a monitoring device on a lead;
loosening a rotating shaft assembly of the mounting tool, and enlarging the distance between the fixed clamping teeth on the upper pressure arm and the lower pressure arm;
connecting the fixed latch and the monitoring device, and rotating the rotating shaft assembly to stress the mounting tool;
step four, the rotating shaft assembly is screwed until the monitoring device is combined with the lead;
fixing a mounting screw on the monitoring device;
and step six, loosening the rotating shaft assembly of the installation tool, and dismantling the installation tool to complete installation.
According to a preferred embodiment, the fourth to sixth steps are operated by an electric screwdriver, wherein the fourth step further comprises: the electric screwdriver is matched with the screwdriver head, and the rotating shaft component is screwed by the electric screwdriver.
The technical scheme of the embodiment of the invention at least has the following advantages and beneficial effects: the mounting tool provided by the invention converts the gripping force required by the online monitoring device into labor-saving downward pressure by a lever principle; through a labor-saving mechanism such as a bearing, a rotating shaft assembly of the mounting tool can conveniently rotate to provide downward pressure; and the device can be installed through an electric mechanism, time and labor are saved, workers can install the device at high altitude conveniently, and the possibility of manual installation is provided.
Drawings
Fig. 1 is a schematic overall structural view of an installation tool provided in embodiment 1 of the present invention;
FIG. 2 is a schematic structural diagram of an on-line monitoring tool provided in embodiment 1 of the present invention;
fig. 3 is a schematic view of an upper press arm according to embodiment 1 of the present invention;
fig. 4 is a schematic view of a pressing arm according to embodiment 1 of the present invention;
FIG. 5 is a schematic view of a drive plate provided in embodiment 1 of the present invention;
fig. 6 is a front view of an installation tool provided in embodiment 1 of the present invention;
fig. 7 is a right side view of the installation tool provided in embodiment 1 of the present invention;
fig. 8 is a plan view of an installation tool provided in embodiment 1 of the present invention;
fig. 9 is a schematic structural view of a rotating shaft assembly provided in embodiment 1 of the present invention;
fig. 10 is a schematic view of a screw according to embodiment 1 of the present invention;
fig. 11 is a schematic view of a feed screw nut provided in embodiment 1 of the present invention;
fig. 12 is a schematic view of a screw rod rotary drum provided in embodiment 1 of the present invention;
FIG. 13 is a flowchart of a method for using the installation tool provided in embodiment 1 of the present invention;
FIG. 14 is a flowchart of a method for using the installation tool provided in embodiment 2 of the present invention;
FIG. 15 is a top view of a lead screw rotary member provided in embodiment 2 of the present invention;
icon: 1-upper press arm, 2-lower press arm, 3-rotating shaft assembly, 301-screw rod, 302-thrust ball bearing, 303-screw rod nut, 304-screw rod rotating cylinder component, 305-sleeve, 306-positioning pin, 307-brass gasket, 308-screwdriver head, 309-jack, 4-transmission plate, 5-first shaft pin, 6-clamping part, 7-second shaft pin, 8-third shaft pin, 9-fixing latch, 10-semicircular clamping sleeve, 11-semicircular rubber pad, 12-rotating shaft and 13-screw hole.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Example 1
Referring to fig. 1, fig. 6 to 8, wherein fig. 1 is a schematic view illustrating an overall structure of an installation tool according to an embodiment of the present invention; FIG. 6 shows a front view of an installation tool of an embodiment of the present invention; FIG. 7 shows a right side view of an installation tool of an embodiment of the present invention; FIG. 8 shows a top view of an installation tool of an embodiment of the present invention.
The research of the applicant finds that the line on-line monitoring device needs to be directly installed on a power transmission line and has requirements on the gripping force and the transverse force of the device. In the actual installation scene of monitoring devices, install on-line monitoring device on the wire, finally need to screw up the device both sides through the screw, because the grip of device is great, can't directly twist and move the screw, need through the external installation instrument with on-line monitoring device both sides pretension to mountable position in advance, rethread screw fixation. Therefore, the embodiment provides a portable labor-saving mounting tool which can meet the requirements of the grip strength and the transverse force of an online monitoring device.
Firstly, a structure of an installed online monitoring device is described, and referring to fig. 2, fig. 2 shows a schematic structural diagram of the online monitoring device, which includes two semicircular clamping sleeves 10 connected by a rotating shaft 12 and capable of opening and closing, two semicircular rubber pads 11 arranged inside the semicircular clamping sleeves and capable of opening and closing, and screw holes 13 correspondingly arranged on the clamping sleeves. It should be noted that, since the rubber pad directly closes the on-line monitoring device in an uncompressed state, the inner diameter of the rubber pad will be smaller than the outer diameter of the installed lead. When the compression is in place, the pressing force needs to reach 2.5kN according to the requirements of relevant standards. That is, the two semicircular ferrules cannot be pressed by hand, so that the present embodiment converts the pressing force into an example that can be manually compressed by a multistage lever mechanism, and the structure of the installation tool is specifically as follows:
the device comprises an upper pressure arm 1, a lower pressure arm 2, a rotating shaft assembly 3 and a transmission plate 4, wherein two sides of the upper pressure arm 1 and two sides of the lower pressure arm 2 are rotationally connected through a first shaft pin 5, and the front ends of the upper pressure arm 1 and the lower pressure arm define a clamping part 6 matched with a monitoring device;
the specific structure is shown in fig. 3 to 5, wherein fig. 3 is a schematic structural view of the upper press arm 1 provided in this embodiment; fig. 4 shows a schematic structural view of the push-down arm 2 provided in the present embodiment; fig. 5 shows a schematic structural view of the drive plate 4 provided in the present embodiment.
Specifically, in an implementation manner of this embodiment, the rotating shaft assembly 3 penetrates through the top of the upper pressing arm 1 and extends into the clamping portion 6, the transmission plate 4 is disposed between the upper pressing arm 1 and the lower pressing arm 2, the front end of the transmission plate is rotatably connected with the end of the rotating shaft assembly 3 through the second shaft pin 7, the middle end of the transmission plate is rotatably connected with the rear end of the upper pressing arm 1 through the third shaft pin 8, the rear end of the transmission plate extends to the upper side of the rear end of the lower pressing arm 2, the transmission plate 4 is in contact with the rear end of the lower pressing arm 2 to form a lever, and the grip force brought by the monitoring device can be reduced under the condition that the monitoring device is clamped by the aid of the installation tool. In the in-service use scene, the on-line monitoring device who will wait to install is through the 6 centre gripping of clamping part, and rotatory rotating shaft subassembly 3 adjusts the distance d between driving plate 4 and the last pressure arm 1, because the rear end of driving plate 4 contacts with the rear end of pressing arm 2 down, has constituted the lever at the rear end, has reduced the grip that brings by on-line monitoring device, can reduce the manpower that the staff provided.
Further, in order to improve the stability of the clamping part 6 for clamping the online monitoring device, the opposite surfaces of the front ends of the upper pressure arm 1 and the lower pressure arm 2 are respectively provided with a fixed latch 9. In one embodiment, the fixing latch 9 is in the form of a dog, which improves the stability of the clamping.
The structure of the rotating shaft assembly 3 in the present embodiment is as follows: the rotating shaft assembly 3 comprises a screw rod 301, a thrust ball bearing 302, a screw rod 301 nut and a screw rod 301 rotating cylinder piece, wherein the thrust ball bearing 302 is arranged above the upper pressing arm 1 and used for reducing rotating force, the thrust ball bearing 302 and the screw rod 301 nut are sleeved on the screw rod 301, the thrust ball bearing 302 is arranged in a sleeve 305, the bottom of the screw rod 301 nut is abutted to the top of the sleeve 305, the screw rod 301 rotating cylinder piece is sleeved on the screw rod 301 nut seat of the screw rod 301 nut, and the sleeve 305, the screw rod 301 nut and the screw rod 301 rotating cylinder piece are fixed. Specifically, the sleeve 305, the screw 301 nut and the screw 301 rotating barrel are fixed by a positioning pin 306 inserted from the sleeve 305 and extending upward. So as to limit the three parts and prevent the three parts from rotating relatively. It should be noted that, the contact surface of the transmission shaft assembly and the upper pressure arm 1 adopts a bearing structure, so that the rotating force is reduced, and the labor saving of the installation tool is ensured.
Fig. 9 to 12 show a specific structure, wherein fig. 9 shows a schematic structural diagram of the rotating shaft assembly 3 provided in this embodiment; fig. 10 shows a schematic view of a screw 301 provided in the present embodiment;
fig. 11 shows a schematic view of a lead screw 301 nut provided in the present embodiment; fig. 12 shows a schematic view of a screw 301 rotating barrel provided in the present embodiment.
Further, in order to ensure the stability between the upper press arm 1 and the sleeve 305, in an embodiment of the present embodiment, the screw 301 is further sleeved with a gasket between the bottom of the sleeve 305 and the top of the upper press arm 1. The shim is one of a brass shim 307 or a high carbon steel shim, preferably a brass shim 307.
Referring to fig. 13, fig. 13 is a flowchart illustrating a method for using the installation tool according to the present embodiment.
The embodiment of the invention also provides a using method of the installation tool of the power transmission line monitoring device, which utilizes the installation tool provided by the embodiment and comprises the following steps:
firstly, clamping a monitoring device on a lead;
step two, loosening the rotating shaft assembly 3 of the installation tool, and enlarging the distance between the fixed clamping teeth 9 on the upper pressure arm 1 and the lower pressure arm 2;
connecting the fixed latch 9 with a monitoring device, and rotating the rotating shaft assembly 3 to stress the mounting tool;
step four, the rotating shaft assembly 3 is screwed to be combined with the monitoring device and the wire, and specifically, when the driving shaft assembly is screwed to ensure that the upper pressure arm 1 and the driving plate 4 are positioned on the same horizontal plane, the fixed latch 9 presses the two semicircular clamping sleeves 10 in place;
fixing a mounting screw on the monitoring device;
and step six, loosening the mounting tool rotating shaft assembly 3, and removing the mounting tool to finish mounting.
Example 2
In order to further reduce labor intensity, the top of the screw rod is provided with the hexagon socket head screwdriver, the top of the screw rod rotary cylinder piece is provided with a jack corresponding to the hexagon socket head screwdriver, preferably, the jack is a hexagon socket, and the screw rod rotary cylinder piece can be directly inserted into the screw rod sleeve piece through the electric screwdriver and matched with the hexagon socket head screwdriver so as to screw the rotating shaft assembly, thereby achieving the purpose of saving labor. The concrete structure is shown in fig. 1 and fig. 15, wherein fig. 15 shows a top view of the screw rod rotating cylinder member of the present embodiment.
Referring to fig. 14, fig. 14 is a flowchart illustrating a method for using the installation tool according to the present embodiment.
Different from the use method of the installation tool in embodiment 1, the use method provided by this embodiment is based on the original use method, and the operation is performed by using an electric screwdriver in steps four to six, wherein the step four further includes: the electric screwdriver is engaged with the screwdriver head 308, and the rotating shaft assembly 3 is screwed by the electric screwdriver. The method comprises the following steps:
firstly, clamping a monitoring device on a lead;
step two, loosening the rotating shaft assembly 3 of the installation tool, and enlarging the distance between the fixed clamping teeth 9 on the upper pressure arm 1 and the lower pressure arm 2;
connecting the fixed latch 9 with a monitoring device, and rotating the rotating shaft assembly 3 to stress the mounting tool;
step four, the rotating shaft assembly 3 is screwed by an electric screwdriver to be combined with the monitoring device and the wire, and specifically, when the driving shaft assembly is screwed until the upper pressing arm 1 and the driving plate 4 are positioned on the same horizontal plane, the fixed latch 9 presses the two semicircular clamping sleeves 10 in place;
fixing a mounting screw on the monitoring device through an electric screwdriver;
and sixthly, loosening the rotating shaft assembly 3 of the mounting tool by using the electric screwdriver, and dismounting the mounting tool to finish mounting.
In conclusion, the mounting tool provided by the invention converts the gripping force required by the online monitoring device into labor-saving downward pressure by a lever principle; through a labor-saving mechanism such as a bearing, a rotating shaft assembly of the mounting tool can conveniently rotate to provide downward pressure; and the installation can be carried out through an electric mechanism, so that the time and the labor are saved, the installation by workers at high altitude can be facilitated, and the possibility of manual installation is provided.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement 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 mounting tool for the power transmission line monitoring device is characterized by comprising an upper pressure arm (1), a lower pressure arm (2), a rotating shaft assembly (3) and a transmission plate (4), wherein two sides of the upper pressure arm (1) and two sides of the lower pressure arm (2) are rotatably connected through a first shaft pin (5), and the front ends of the upper pressure arm and the lower pressure arm define a clamping part (6) matched with the monitoring device;
the rotating shaft assembly (3) runs through the top of last pressure arm (1) and extends to in clamping part (6), driving plate (4) set up at last pressure arm (1) and down between pressure arm (2), and its front end passes through second axis pin (7) and rotates with the tip of rotating shaft assembly (3) and link to each other, and wherein the end rotates with the rear end of last pressure arm (1) through third pivot pin (8) and links to each other, and its rear end extends to the top of pressing arm (2) rear end down, driving plate (4) and the rear end of pressing arm (2) down contact and constitute the lever, with the help of mounting tool can reduce the power of holding that brings by monitoring devices under the condition of centre gripping monitoring devices.
2. The mounting tool for the power transmission line monitoring device according to claim 1, wherein one side of the upper pressure arm (1) opposite to the front end of the lower pressure arm (2) is provided with a fixed latch (9).
3. The installation tool of the electric transmission line monitoring device according to claim 2, characterized in that the rotating shaft assembly (3) comprises a screw rod (301), a bearing, a screw rod (301) nut and a screw rod (301) rotating cylinder member, wherein the bearing is arranged above the upper pressing arm (1) and used for reducing the rotating force, the bearing and the screw rod (301) nut are both sleeved on the screw rod (301), the bearing is arranged in a sleeve (305), the bottom of the screw rod (301) nut is abutted against the top of the sleeve (305), the screw rod (301) rotating cylinder member is sleeved above a screw rod (301) nut seat of the screw rod (301) nut, and the sleeve (305), the screw rod (301) nut and the screw rod (301) rotating cylinder member are fixed.
4. The transmission line monitoring device mounting tool of claim 3, wherein the sleeve (305), the lead screw (301) nut and the lead screw (301) rotating barrel are fixed through a positioning pin (306).
5. Transmission line monitoring device installation tool according to any of the claims 3 to 4, characterised in that the bearing is a thrust ball bearing (302).
6. The transmission line monitoring device mounting tool according to claim 5, characterized in that the screw (301) is further sleeved with a gasket between the bottom of the sleeve (305) and the top of the upper press arm (1).
7. The transmission line monitoring device installation tool of claim 6, wherein the shim is a brass shim (307).
8. The mounting tool for the power transmission line monitoring device according to claim 7, wherein a screwdriver head (308) is arranged at the top of the screw rod (301), and a jack (309) is arranged at the position, corresponding to the screwdriver head (308), of the top of the rotary cylinder part of the screw rod (301).
9. A method of using a tool for installing a transmission line monitoring device, using the tool of any one of claims 1 to 8, comprising the steps of:
firstly, clamping a monitoring device on a lead;
step two, loosening a rotating shaft assembly (3) of the mounting tool, and enlarging the distance between fixed clamping teeth (9) on an upper pressure arm (1) and a lower pressure arm (2);
connecting the fixed latch (9) with a monitoring device, and rotating the rotating shaft assembly (3) to stress the mounting tool;
fourthly, the rotating shaft assembly (3) is screwed to be combined with the monitoring device and the lead;
fixing a mounting screw on the monitoring device;
and step six, loosening the rotating shaft assembly (3) of the installation tool, and removing the installation tool to finish installation.
10. The method for using the installation tool of the power transmission line monitoring device according to claim 9, wherein the fourth to sixth steps are performed by using an electric screwdriver, wherein the fourth step further comprises: the electric screwdriver is matched with the screwdriver head (308), and the rotating shaft component (3) is screwed by the electric screwdriver.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110854359.5A CN113629580B (en) | 2021-07-28 | 2021-07-28 | Mounting tool for power transmission line monitoring device and using method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110854359.5A CN113629580B (en) | 2021-07-28 | 2021-07-28 | Mounting tool for power transmission line monitoring device and using method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113629580A CN113629580A (en) | 2021-11-09 |
| CN113629580B true CN113629580B (en) | 2022-08-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110854359.5A Active CN113629580B (en) | 2021-07-28 | 2021-07-28 | Mounting tool for power transmission line monitoring device and using method |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB946393A (en) * | 1961-12-04 | 1964-01-15 | Amp Inc | Improvements in or relating to hand press tools |
| DE19842122A1 (en) * | 1998-09-05 | 2000-03-30 | Rennsteig Werkzeuge Gmbh | Tong-like, multi-purpose tool for light conductor cable, having active areas for positioning cable, for cutting isolation, for separating cable, and for crimping cable with plug |
| CN203850711U (en) * | 2014-05-26 | 2014-09-24 | 国家电网公司 | Preformed armor rod repair bar mounting tool |
| EA201501183A1 (en) * | 2015-10-09 | 2017-04-28 | Максим Николаевич Алексеев | COMBINED CLAMPING DEVICE FOR THE MERCHANT FOR JEWELRY WORKS AND A SET OF TOOLS TO IT |
| CN107591762A (en) * | 2017-08-25 | 2018-01-16 | 国家电网公司 | A kind of strain clamp installs fixture |
| CN210693252U (en) * | 2019-07-30 | 2020-06-05 | 国网河南省电力公司郑州供电公司 | C-shaped cable clamp mounting device |
-
2021
- 2021-07-28 CN CN202110854359.5A patent/CN113629580B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB946393A (en) * | 1961-12-04 | 1964-01-15 | Amp Inc | Improvements in or relating to hand press tools |
| DE19842122A1 (en) * | 1998-09-05 | 2000-03-30 | Rennsteig Werkzeuge Gmbh | Tong-like, multi-purpose tool for light conductor cable, having active areas for positioning cable, for cutting isolation, for separating cable, and for crimping cable with plug |
| CN203850711U (en) * | 2014-05-26 | 2014-09-24 | 国家电网公司 | Preformed armor rod repair bar mounting tool |
| EA201501183A1 (en) * | 2015-10-09 | 2017-04-28 | Максим Николаевич Алексеев | COMBINED CLAMPING DEVICE FOR THE MERCHANT FOR JEWELRY WORKS AND A SET OF TOOLS TO IT |
| CN107591762A (en) * | 2017-08-25 | 2018-01-16 | 国家电网公司 | A kind of strain clamp installs fixture |
| CN210693252U (en) * | 2019-07-30 | 2020-06-05 | 国网河南省电力公司郑州供电公司 | C-shaped cable clamp mounting device |
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| CN113629580A (en) | 2021-11-09 |
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