CN112018654A - Elbow type cable head pulling-out device - Google Patents
Elbow type cable head pulling-out device Download PDFInfo
- Publication number
- CN112018654A CN112018654A CN202010906238.6A CN202010906238A CN112018654A CN 112018654 A CN112018654 A CN 112018654A CN 202010906238 A CN202010906238 A CN 202010906238A CN 112018654 A CN112018654 A CN 112018654A
- Authority
- CN
- China
- Prior art keywords
- clamping block
- cable head
- elbow
- clamping
- head pulling
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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.)
- Granted
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Classifications
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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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
- B25B27/02—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same
- B25B27/023—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same using screws
-
- 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
- H02G1/14—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for joining or terminating cables
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Laying Of Electric Cables Or Lines Outside (AREA)
- Clamps And Clips (AREA)
Abstract
The invention relates to the technical field of power system tools, in particular to an elbow type cable head pulling-out device which comprises a support, an adjustable clamping mechanism and a linear motion assembly, wherein the adjustable clamping mechanism is used for clamping an elbow type cable head, the linear motion assembly is used for driving the adjustable clamping mechanism to move, and the adjustable clamping mechanism is connected with the support through the linear motion assembly. The quick-joint device is convenient to use, time-saving and labor-saving, can be quickly lapped with elbow-shaped cable heads of various specifications, and improves the operation efficiency.
Description
Technical Field
The invention relates to the technical field of power system tools, in particular to an elbow-shaped cable head pulling device.
Background
At present, a precast T-shaped cable joint, also called an elbow-shaped cable head, has the characteristics of good sealing performance, space saving and higher safety coefficient, and is the most commonly used 10kV cable terminal joint in a 10kV distribution network cable distribution box and an outdoor switch box. When a power failure test or equipment maintenance is needed for a cable using the elbow-shaped cable head, the elbow-shaped cable head is often required to be pulled out, but the elbow-shaped cable head generally adopts a negative pressure cavity structure, silicone grease is used for sealing during installation, the silicone grease can be dried after a long time, the air pressure in the elbow-shaped cable head is lower than the external atmospheric pressure, and the elbow-shaped cable head is difficult and laborious to pull out under the action of the external atmospheric pressure. At present, the elbow-shaped cable head is pulled out by force by manpower, a worker often pulls out the elbow-shaped cable head by detaching the elbow-shaped cable head, the cable head and an equipment connecting piece are easy to damage during pulling out due to force imbalance, once the elbow-shaped cable head is damaged, the cable head cannot be used, the replacement and the manufacturing are needed, and the cost and the manpower are consumed.
Chinese patent publication No. CN205565551U discloses a 10kV power cable elbow head extractor, which overcomes the problem that it is very difficult to remove the elbow head during the current maintenance, and the disassembling method will not cause artificial damage to the switch cabinet, the elbow head and the bushing, thus being beneficial to the safe operation of the equipment and reducing the maintenance cost.
However, the above-mentioned solution cannot be quickly overlapped with elbow-shaped cable heads of various specifications, which is not favorable for improving the pulling efficiency.
Disclosure of Invention
The invention aims to overcome the defect that the elbow-shaped cable head can not be lapped with elbow-shaped cable heads of various specifications, and provides the elbow-shaped cable head pulling-out device which is convenient to use, time-saving and labor-saving, can be rapidly lapped with the elbow-shaped cable heads of various specifications, and improves the operation efficiency.
In order to solve the technical problems, the invention adopts the technical scheme that:
the elbow type cable head pulling-out device comprises a support, an adjustable clamping mechanism used for clamping an elbow type cable head, and a linear motion assembly used for driving the adjustable clamping mechanism to move, wherein the adjustable clamping mechanism is connected with the support through the linear motion assembly.
The invention relates to an elbow cable head pulling device.A support is used for supporting the elbow cable head pulling device on a back plate of equipment for pulling an elbow cable head out; the adjustable clamping mechanism can be used for clamping elbow-shaped cable heads with different specifications, so that the application range of the elbow-shaped cable head pulling-out device is enlarged; the linear motion assembly is used for driving the adjustable clamping mechanism which clamps the elbow-shaped cable head to do linear motion, so that the elbow-shaped cable head is separated from the equipment, and the elbow-shaped cable head is pulled out.
Preferably, the adjustable clamping mechanism comprises a first clamping block, a second clamping block and an adjusting sheet, the first clamping block and the second clamping block are both connected with one surface of the adjusting sheet in a sliding mode, and the linear motion assembly is connected with the other surface of the adjusting sheet; locking parts are further arranged on the first clamping block and the second clamping block. The elbow type cable head can be clamped between the first clamping block and the second clamping block by adjusting the distance between the first clamping block and the second clamping block on the adjusting piece and then locking through the locking piece.
Preferably, the first clamping block and the second clamping block are respectively provided with a plurality of convex columns which are used for being in sliding connection with the adjusting sheet.
Preferably, the adjusting sheet is provided with a plurality of waist-shaped holes matched with the convex columns, and the waist length extension directions of the waist-shaped holes are all arranged in parallel; the first clamping block and the adjusting sheet and the second clamping block and the adjusting sheet are connected through the protruding columns penetrating through the waist-shaped holes.
Preferably, the clamping surfaces of the first clamping block and the second clamping block are arc surfaces. The arrangement of the arc-shaped surfaces enables the first clamping block and the second clamping block to be matched with the elbow-shaped cable head.
Preferably, the clamping surfaces of the first clamping block and the second clamping block are respectively provided with a cushion block. The setting of cushion can increase the frictional force between clamp splice and the elbow type cable head, and can prevent that the clamp splice from causing the damage to elbow type cable head surface when pressing from both sides tightly.
Preferably, the linear motion assembly comprises a handle structure, a screw rod and a bearing which are connected in sequence, the screw rod is connected with the support through threads, and the bearing is connected with the adjustable clamping mechanism.
Preferably, the handle structure comprises a handle and a connecting piece; one end of the connecting piece is connected with the handle, and the other end of the connecting piece is connected with the screw rod.
Preferably, the support comprises a support plate and a plurality of support rods connected to the support plate, and the screw rod is connected with the support plate through threads. The screw rod moves on the supporting plate by rotating the handle structure, and drives the adjustable clamping mechanism connected with the bearing to move together.
Preferably, one end of the support rod, which is far away from the support plate, is connected with a butting seat.
Compared with the prior art, the invention has the beneficial effects that:
(1) the bracket is used for supporting the elbow type cable head pulling device on a back plate of equipment to be pulled out of the elbow type cable head.
(2) The adjustable clamping mechanism can be used for clamping elbow-shaped cable heads of various specifications, and the application range of the elbow-shaped cable head pulling-out device is enlarged.
(3) The linear motion assembly is used for driving the adjustable clamping mechanism which clamps the elbow-shaped cable head to do linear motion, so that the elbow-shaped cable head is separated from the equipment, and the elbow-shaped cable head is pulled out.
Drawings
Fig. 1 is a schematic structural view of an elbow type cable head pulling-out device according to the present invention.
Fig. 2 is an exploded view of an elbow type cable head pulling-out apparatus according to the present invention.
The graphic symbols are illustrated as follows:
1-bracket, 11-supporting plate, 12-supporting rod, 13-abutting seat, 2-linear motion assembly, 21-handle structure, 211-handle, 212-connecting piece, 22-screw rod, 23-bearing, 3-adjustable clamping mechanism, 31-first clamping block, 32-second clamping block, 33-adjusting piece, 331-kidney-shaped hole, 34-locking piece, 35-convex column and 36-cushion block.
Detailed Description
The present invention will be further described with reference to the following embodiments. Wherein the showings are for the purpose of illustration only and are shown by way of illustration only and not in actual form, and are not to be construed as limiting the present patent; to better illustrate the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar components; in the description of the present invention, it should be understood that if there is an orientation or positional relationship indicated by the terms "upper", "lower", "left", "right", etc. based on the orientation or positional relationship shown in the drawings, it is only for convenience of describing the present invention and simplifying the description, but it is not intended to indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes and are not to be construed as limiting the present patent, and the specific meaning of the terms may be understood by those skilled in the art according to specific circumstances.
Example 1
As shown in fig. 1 to 2, a first embodiment of an elbow cable head pulling-out device according to the present invention includes a support 1, an adjustable clamping mechanism 3 for clamping an elbow cable head, and a linear motion assembly 2 for driving the adjustable clamping mechanism 3 to move, wherein the adjustable clamping mechanism 3 is connected to the support 1 through the linear motion assembly 2.
The bracket 1 is used for supporting the elbow type cable head pulling device on a back plate of equipment for pulling the elbow type cable head out; the adjustable clamping mechanism 3 can be used for clamping elbow-shaped cable heads with different specifications, so that the application range of the elbow-shaped cable head pulling-out device is enlarged; the linear motion assembly 2 is used for driving the adjustable clamping mechanism which clamps the elbow-shaped cable head to do linear motion, so that the elbow-shaped cable head is separated from the equipment, and the elbow-shaped cable head is pulled out.
In addition, the adjustable clamping mechanism 3 comprises a first clamping block 31, a second clamping block 32 and an adjusting sheet 33, wherein the first clamping block 31 and the second clamping block 32 are both connected with one surface of the adjusting sheet 33 in a sliding manner, and the linear motion assembly 3 is connected with the other surface of the adjusting sheet 33; locking pieces 34 are further arranged on the first clamping block 31 and the second clamping block 32. The elbow-type cable head can be clamped between the first clamping block 31 and the second clamping block 32 by adjusting the distance between the first clamping block 31 and the second clamping block 32 on the adjusting sheet 33 and then locking through the locking piece 34. As shown in fig. 1 and fig. 2, in the present embodiment, the locking member 34 is a quincunx screw, and four locking members are provided, and correspondingly, threaded holes for allowing the quincunx screws to pass through are provided on the first clamping block 31 and the second clamping block 32.
Wherein, a plurality of convex columns 35 used for being connected with the adjusting sheet 33 in a sliding way are arranged on the first clamping block 31 and the second clamping block 32. A plurality of waist-shaped holes 331 matched with the convex columns 35 are arranged on the adjusting sheet 33, and the waist length extension directions of the waist-shaped holes 331 are all arranged in parallel; the first clamping block 31 and the adjusting sheet 33 and the second clamping block 32 and the adjusting sheet 33 are connected through the waist-shaped hole 331 through the convex column 35. As shown in fig. 2, in the present embodiment, the stud 35 is provided with an external thread, the first clamping block 31 and the adjusting piece 33 are connected by a nut and the external thread on the stud 35 after the stud 35 passes through the waist-shaped hole 331, and the second clamping block 32 and the adjusting piece 33 are also connected by a nut and the external thread on the stud 35 after the stud 35 passes through the waist-shaped hole 331.
In addition, the clamping surfaces of the first clamping block 31 and the second clamping block 32 are both arc-shaped surfaces. The arc-shaped surfaces are arranged to enable the first clamping block 31 and the second clamping block 32 to be matched with the elbow-shaped cable head. The clamping surfaces of the first clamping block 31 and the second clamping block 32 are both provided with a cushion block 36. The cushion block 36 can increase the friction between the clamping block and the elbow cable head, and can prevent the clamping block from damaging the surface of the elbow cable head during clamping. As shown in FIG. 2, the pad 36 is made of rubber or other soft material with a high coefficient of friction.
Example 2
The embodiment is similar to embodiment 1, except that the linear motion assembly 2 in the embodiment comprises a handle structure 21, a screw 22 and a bearing 23 which are connected in sequence, the screw 22 is connected with the bracket 1 through threads, and the bearing 23 is connected with the adjustable clamping mechanism 3.
Wherein the handle structure 21 comprises a handle 211 and a connecting piece 212; the connecting piece 212 has one end connected to the handle 211 and the other end connected to the end of the screw 22. The connecting piece 212 can lengthen the force arm, so that more labor can be saved when the handle 211 is shaken. The support 1 comprises a support plate 11 and a plurality of support rods 12 connected to the support plate 11, and a screw 22 is connected with the support plate 11 through threads. The distances between the adjacent support rods 12 are equal, so that the cable head cannot be stressed unevenly when being pulled out. The bearing 23 is connected to the adjustment flap 33 in this embodiment. By turning the handle structure 21, the screw 22 is moved on the support plate 11 and the adjustable clamping mechanism 3 connected to the bearing 23 is moved together. As shown in fig. 1 and 2, a threaded hole for passing the screw 22 is formed in the middle of the support plate 11; the edge of the supporting plate 11 is also provided with a through hole for fixing the supporting rod 12, and three supporting rods 12 are provided in this embodiment.
And one end of the support rod 12 far away from the support plate 11 is connected with a butting seat 13. As shown in fig. 1 and 2, both ends of the abutment seat 13 are hook-shaped.
When the elbow type cable head is used, the elbow type cable head is placed between the first clamping block 31 and the second clamping block 32, the distance between the first clamping block 31 and the second clamping block 32 is adjusted through the waist-shaped hole 331 in the adjusting sheet 33, and then the two clamping blocks are locked through the locking piece 34; then, the handle 211 is rotated to make the abutting seat 13 on the supporting rod 12 contact with the back plate of the device, and then the handle 211 is continuously rotated, so that the screw rod 22 and the supporting plate 11 are driven to move in the direction close to the supporting plate 11 through the thread transmission due to the fixation of the back plate of the device, and the elbow-shaped cable head is pulled out.
It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (10)
1. The elbow type cable head pulling-out device comprises a support (1) and is characterized by further comprising an adjustable clamping mechanism (3) used for clamping an elbow type cable head and a linear motion assembly (2) used for driving the adjustable clamping mechanism (3) to move, wherein the adjustable clamping mechanism (3) is connected with the support (1) through the linear motion assembly (2).
2. The elbow type cable head pulling device according to claim 1, wherein the adjustable clamping mechanism (3) comprises a first clamping block (31), a second clamping block (32) and an adjusting sheet (33), the first clamping block (31) and the second clamping block (32) are respectively connected with one surface of the adjusting sheet (33) in a sliding manner, and the linear motion assembly (2) is connected with the other surface of the adjusting sheet (33); locking pieces (34) are further arranged on the first clamping block (31) and the second clamping block (32).
3. The elbow type cable head pulling device according to claim 2, wherein the first clamping block (31) and the second clamping block (32) are provided with a plurality of protruding columns (35) for slidably connecting with the adjusting piece (33).
4. The elbow type cable head pulling device according to claim 3, wherein the adjusting plate (33) is provided with a plurality of waist-shaped holes (331) matched with the convex columns (35), and the waist length extending directions of the plurality of waist-shaped holes (331) are all arranged in parallel; the connection between the first clamping block (31) and the adjusting sheet (33) and the connection between the second clamping block (32) and the adjusting sheet (33) are realized by the convex column (35) penetrating through the waist-shaped hole (331).
5. The elbow cable head pulling device according to claim 2, wherein the clamping surfaces of the first clamping block (31) and the second clamping block (32) are arc-shaped surfaces.
6. The elbow cable head pulling device according to claim 2, wherein the clamping surfaces of the first clamping block (31) and the second clamping block (32) are provided with a spacer (36).
7. The elbow cable head pulling device according to claim 1, wherein the linear motion assembly (2) comprises a handle structure (21), a screw rod (22) and a bearing (23) which are connected in sequence, the screw rod (22) is connected with the bracket (1) through a thread, and the bearing (23) is connected with the adjustable clamping mechanism (3).
8. Elbow cable head pulling device according to claim 7, wherein the handle structure (21) comprises a handle (211) and a connecting piece (212); one end of the connecting piece (212) is connected with the handle (211), and the other end is connected with the screw rod (22).
9. The elbow cable head pulling device according to claim 7, wherein the support frame (1) comprises a support plate (11) and a plurality of support rods (12) connected to the support plate (11), and the threaded rod (22) is threadedly connected to the support plate (11).
10. Elbow cable head pulling device according to claim 9, characterized in that an abutment (13) is attached to the support bar (12) at the end remote from the support plate (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010906238.6A CN112018654B (en) | 2020-09-01 | 2020-09-01 | Elbow type cable head pulling-out device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010906238.6A CN112018654B (en) | 2020-09-01 | 2020-09-01 | Elbow type cable head pulling-out device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112018654A true CN112018654A (en) | 2020-12-01 |
| CN112018654B CN112018654B (en) | 2022-05-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010906238.6A Active CN112018654B (en) | 2020-09-01 | 2020-09-01 | Elbow type cable head pulling-out device |
Country Status (1)
| Country | Link |
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| CN (1) | CN112018654B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112886463A (en) * | 2021-01-13 | 2021-06-01 | 江南工业集团有限公司 | Tool for separating inclined insertion cable head and operation method |
| CN114094421A (en) * | 2021-11-22 | 2022-02-25 | 国网浙江省电力有限公司宁海县供电公司 | Portable elbow type cable joint quick assembly disassembly device |
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| CN112886463A (en) * | 2021-01-13 | 2021-06-01 | 江南工业集团有限公司 | Tool for separating inclined insertion cable head and operation method |
| CN114094421A (en) * | 2021-11-22 | 2022-02-25 | 国网浙江省电力有限公司宁海县供电公司 | Portable elbow type cable joint quick assembly disassembly device |
| CN114094421B (en) * | 2021-11-22 | 2023-12-05 | 国网浙江省电力有限公司宁海县供电公司 | Portable elbow type cable joint quick assembly disassembly device |
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|---|---|
| CN112018654B (en) | 2022-05-17 |
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