CN111922987B - Tool for screwing piece in narrow space - Google Patents
Tool for screwing piece in narrow space Download PDFInfo
- Publication number
- CN111922987B CN111922987B CN202010913731.0A CN202010913731A CN111922987B CN 111922987 B CN111922987 B CN 111922987B CN 202010913731 A CN202010913731 A CN 202010913731A CN 111922987 B CN111922987 B CN 111922987B
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- Prior art keywords
- screwing
- clamping part
- tool
- narrow space
- seat
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- 238000009434 installation Methods 0.000 abstract description 12
- 230000000694 effects Effects 0.000 abstract description 7
- 241000251468 Actinopterygii Species 0.000 description 2
- 241000276425 Xiphophorus maculatus Species 0.000 description 2
- 210000000078 claw Anatomy 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 230000003137 locomotive effect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Classifications
-
- 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
- B25B27/14—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for assembling objects other than by press fit or detaching same
-
- 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
- B25B29/00—Accessories
- B25B29/02—Bolt tensioners
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Clamps And Clips (AREA)
- Installation Of Indoor Wiring (AREA)
Abstract
The invention particularly relates to a tool for screwing a piece in a narrow space, belongs to the technical field of cable waterproof joint installation tools, and aims to solve the problem of providing the tool for screwing the piece in the narrow space, which adopts the following scheme: the clamping part adopts a semicircular arc structure, the clamping part is axially and vertically arranged, and one side of the clamping part facing the axle center is in a half-six aspect; the extending connecting part adopts a semicircular cone structure, the axial direction of the extending connecting part is inclined relative to the vertical surface, and the lower end of the extending connecting part is fixed with the upper end surface of the clamping part; the screwing seat is fixed at the upper end of the extension connecting part, and is provided with an axial vertical screwing connecting hole which is used for clamping the end head of the torque wrench; the invention completes the fastening installation of the narrow space Ge Lantou, has good installation and fastening effects, and achieves the waterproof effect.
Description
Technical Field
The invention belongs to the technical field of cable waterproof joint installation tools, and particularly relates to a tool for screwing a screwing piece in a narrow space.
Background
Ge Lantou is also called a waterproof cable connector, and the name of the waterproof cable fixing head is that the waterproof cable connector is used for fastening a cable, and when the waterproof cable connector is used for installation, the standard Ge Lantou can achieve the functions of connection and waterproof only by selecting a proper model according to the size of the cable and installing and fastening by using a common torque wrench according to the standard of fastening torque. The external 17 cables of the column supply transformer & reactor cabinet are connected with the cabinet body and the locomotive through a 1450×128×426 junction box, one end of the external cable is connected with the main control box of the cabinet body, and the other end is connected with the main line of the locomotive, and Ge Lantou is used for connecting the fastening cable and the junction box. According to Ge Lantou's standard requirement, need use the moment spanner of M40 to screw when the installation, apply the moment of 22N.m again and fasten, when dismantling and maintenance change, can't use the common mounting tool to apply the fastening moment, can only with the hand with Ge Lantou marginal screwing. The cable is easy to loosen under the conditions of vibration and the like after long-term use, and the cable fastening and waterproof effects can not be achieved.
Disclosure of Invention
The invention overcomes the defects in the prior art, and provides the tool for screwing the screwing piece in the narrow space, which can finish the fastening installation of the screwing piece in the narrow space Ge Lantou and achieve the waterproof effect.
In order to solve the technical problems, the invention adopts the following technical scheme: a frock for narrow space piece of screwing includes: the clamping part is of a semicircular arc structure, the clamping part is axially and vertically arranged, one side of the clamping part facing the axis is a half-six side, namely one side facing the cable, of the clamping part facing the axis, the half-six side is used for being attached to the outer wall of the nut on the piece to be screwed and clamped, and the size of the inner half-six side is set according to the size of the nut on the piece to be screwed;
The extending connecting part is of a semi-cone structure, the axial direction of the extending connecting part is inclined relative to the vertical surface, the lower end of the extending connecting part is fixed with the upper end surface of the clamping part, the axis of the extending connecting part is intersected with the axis of the clamping part, and the extending connecting part is inclined from bottom to top gradually deviating from the axis direction of the clamping part; the extending connecting part can change the state that a torque wrench for screwing a piece to be screwed cannot apply force in a vertical state, and extend the force application point of the torque wrench to a wider position;
The screwing seat is fixed at the upper end of the extension connecting part, an axial vertical screwing connecting hole is formed in the screwing seat, and the screwing connecting hole is used for clamping the end head of the torque wrench.
The included angle between the outer conical surface of the extension connecting part and the vertical direction is 5 degrees, and the outer conical surface of the extension connecting part is a side surface deviating from the axis of the extension connecting part.
The screw seat adopts the arc platy structure of the vertical setting of axial, the outer fringe of screwing the seat is arc slick and sly structure, screw the seat towards the intrados of its axle center one side and deviate from the intrados arc heart position coincidence of its axle center one side, just screw the axle center of seat with the axle center coincidence of clamping part, the downside of extrados with extend connecting portion's upper end is fixed, intrados's size is designed according to the excircle shape of cable, can avoid extrusion, fish tail cable.
The screwing connection hole is arranged on the screwing seat 1 between the inner cambered surface and the outer cambered surface, and is positioned at the gravity center position of the screwing seat, namely, the screwing connection hole is positioned at the geometric center of the screwing seat, the screwing connection hole is a square hole, the outer wall of the end head of the torque wrench is a square hole, and the outer wall of the end head of the torque wrench is tightly attached to the screwing connection hole.
The height of the clamping part is 16 cm.
The height of the screwing seat is 10 cm.
The clamping part is a semicircular surface on one side deviating from the axis, and the semicircular surface is structured so that the screwing tool can randomly adjust the direction when clamping the nut.
For thin cables and cables with thick insulating layers, the shielding layer is sleeved on the insulating layer, but the shielding layer after the shielding layer is sleeved needs to be uniformly distributed and does not reach the position of the waterproof joint of the cable.
The connector housing cannot be disassembled, otherwise the claw of the waterproof connector of the cable is easily damaged.
The cable and the cable joint are kept as horizontal as possible during installation.
When the disassembly and the secondary assembly are carried out, a violence means is not adopted.
The moment is not too large, the nut of the waterproof cable joint does not need to be screwed to the bottom, the claw is prevented from being damaged, and the installation moment is referred.
After the installation is completed, the cable waterproof joint is clamped by a cable insulating layer, and the cable shielding layer is clamped by the clamping jaws.
Compared with the prior art, the invention has the following beneficial effects.
1. According to the invention, the nut on the Ge Lantou is clamped by the clamping part with the inner surface in a half-six aspect, the force application point of the torque wrench is extended to a wider position by the extending connecting part, so that the fastening and the installation of the narrow space Ge Lantou are completed, the installation and the fastening effects are good, and the waterproof effect is achieved.
2. The extending connecting part adopts a semicircular cone-shaped structure which is obliquely arranged, the included angle between the outer conical surface of the extending connecting part and the vertical direction is 5 degrees, the design effectively changes the state that a torque wrench for screwing a piece to be screwed cannot apply force in the vertical state, and the cone-shaped structure can prevent cables from being scratched.
3. The outer edges of the screwing seat are of arc smooth structures, and the inner cambered surface of the screwing seat is designed according to the outer circle shape of the cable, so that the cable can be prevented from being extruded and scratched.
4. The invention can be specially used for installing the column supply transformer & reactor cabinet Ge Lantou, and meets the requirements of site construction.
Drawings
The invention is further described below with reference to the accompanying drawings.
Fig. 1 is a schematic structural view of a tool for screwing a screwing piece in a narrow space.
Fig. 2 is a front view of the tool for tightening a tight space tightening member of the present invention.
Fig. 3 is a left side view of the tool for tightening a tight space tightening member of the present invention.
Fig. 4 is a top view of the tooling for tightening a tight space fastener of the present invention.
Fig. 5 is a rear view of the tool for tightening a tight space tightening member of the present invention.
Fig. 6 is a bottom view of the tool for tightening a tight space fastener of the present invention.
FIG. 7 is a schematic illustration of the tool of the present invention in use for tightening tight space fasteners.
In the figure: 1 is a screwing seat, 2 is a screwing connecting hole, 3 is an extending connecting part, 4 is a clamping part, 5 is an inner cambered surface, 6 is an outer cambered surface, 7 is a semicircular surface, and 8 is a half six aspect.
Detailed Description
Further description will be provided below with reference to specific examples.
A frock for narrow space piece of screwing includes: the clamping part 4 is of a semicircular arc structure, the clamping part 4 is axially and vertically arranged, one side, facing the axis, of the clamping part 4 is a half-six-aspect 8, one side, facing the axis, of the clamping part 4 is a side, facing the cable, of the clamping part 4, the half-six-aspect 8 is used for being attached to the outer wall of the nut on the piece to be screwed and clamped, and the size of the inner half-six-aspect 8 is set according to the size of the nut on the piece to be screwed;
The extending connecting part 3 is in a semi-cone structure, the extending connecting part 3 is obliquely arranged relative to the vertical surface in the axial direction, the lower end of the extending connecting part 3 is fixed with the upper end surface of the clamping part 4, the axis of the extending connecting part 3 is intersected with the axis of the clamping part 4, and the extending connecting part 3 is gradually inclined away from the axis direction of the clamping part 4 from bottom to top; the extending connecting part 3 can change the state that a torque wrench for screwing a piece to be screwed cannot apply force in a vertical state, and extends the force application point of the torque wrench to a wider position;
The screwing seat 1, it is fixed in to twist seat 1 extend the upper end of connecting portion 3, it is provided with the vertical connecting hole 2 of screwing of axial to twist on the seat 1 to twist, it is used for the end of joint torque wrench to twist the connecting hole 2.
The included angle between the outer conical surface of the extension connecting part 3 and the vertical direction is 5 degrees, and the outer conical surface of the extension connecting part 3 is a side surface deviating from the axis of the extension connecting part.
The screw seat 1 adopts the arc platy structure of the vertical setting of axial, screw seat 1 towards the intrados 5 of its axle center one side and deviate from the intrados 6 arc heart position coincidence of its axle center one side, the downside of extrados 6 with extend connecting portion 3's upper end is fixed, intrados 5's size is designed according to the excircle shape of cable, can avoid extrusion, fish tail cable.
The screwing connection hole 2 is arranged on the screwing seat 1 between the inner cambered surface 5 and the outer cambered surface 6, the screwing connection hole 2 is positioned at the gravity center position of the screwing seat 1, and the screwing connection hole 2 is a square hole.
The height of the clamping part 4 is 16 cm.
The height of the screwing seat 1 is 10 cm.
The clamping part 4 is a semicircular surface 7 on one side deviating from the axis, and the semicircular surface 7 is structured so that the screwing tool can randomly adjust the direction when clamping the nut.
The using method comprises the following steps:
1) The cable passes through the cable joint, the length of the cable required is determined, marking lines are made at the positions corresponding to the cables at the bottom of the cable joint, and the cables are taken out;
2) The marking line is led to the inner side of the cable joint by about X=10mm to be a cable notch position, and the insulating layer is removed to the outer side of the cable joint, namely the direction of the marking line;
3) When the cable passes through the cable connector and the marking line is overlapped with the bottom of the cable connector, the nut is locked by hand, and then the alignment condition of the marking line is checked;
4) The base of the cable waterproof connector is clamped by using an ordinary wrench, and the direction is noted at the moment, if the base of the cable waterproof connector cannot be placed in, the direction of the base of the cable waterproof connector can be finely adjusted;
5) The screwing tool is used for clamping the nut at the upper part of the cable connector, and the entering position is noted at a narrow space;
6) The end head of the torque wrench is clamped into the screwing connection hole, and the ratchet wheel is used for screwing slowly for a plurality of times to achieve the reference torque;
7) And measuring the grounding condition of the shielding layer, such as drawing an anti-loosening mark without problems.
The above embodiments are merely illustrative of the principles of the present invention and its effects, and are not intended to limit the invention. Modifications and improvements to the above-described embodiments may be made by those skilled in the art without departing from the spirit and scope of the present invention. Therefore, all equivalent modifications and changes which have been accomplished by those skilled in the art without departing from the spirit and technical spirit of the present invention should be covered by the appended claims.
Claims (7)
1. A frock for narrow space piece of screwing, its characterized in that includes: the clamping part (4), the clamping part (4) adopts a semicircular arc structure, the clamping part (4) is axially and vertically arranged, one side of the clamping part (4) facing the axle center is provided with a half-six aspect (8), and the half-six aspect (8) is used for being attached to the outer wall of the nut on the piece to be screwed and clamped;
the extending connecting part (3), the extending connecting part (3) adopts a semi-cone structure, the extending connecting part (3) is obliquely arranged relative to the vertical surface in the axial direction, the lower end of the extending connecting part (3) is fixed with the upper end face of the clamping part (4), the axle center of the extending connecting part (3) is intersected with the axle center of the clamping part (4), and the extending connecting part (3) is gradually inclined away from the axle center direction of the clamping part (4) from bottom to top;
The screw-on base (1), screw-on base (1) is fixed in the upper end of extension connecting portion (3), screw-on base (1) is provided with the vertical connecting hole (2) of screwing in of axial, screw-on connecting hole (2) are used for the end of joint torque wrench.
2. Tool for tightening a tight space tightening piece according to claim 1, characterized in that the outer conical surface of the extension connection (3) is at an angle of 5 ° to the vertical.
3. The tool for screwing a narrow space screwing piece according to claim 2, wherein the screwing seat (1) adopts an arc plate-shaped structure which is axially and vertically arranged, an intrados (5) of the screwing seat (1) towards one side of the axis of the screwing seat and an extrados (6) of the screwing seat away from one side of the axis of the screwing seat are overlapped in arc center positions, and the lower side of the extrados (6) is fixed with the upper end of the extension connecting portion (3).
4. A tool for screwing a narrow space screwing piece according to claim 3, characterized in that the screwing connection hole (2) is arranged on the screwing seat (1) between the intrados (5) and the extrados (6), and the screwing connection hole (2) is located at the geometric center of the screwing seat (1).
5. Tool for tightening tight-space screws according to claim 4, characterized in that the height of the clamping part (4) is 16 cm.
6. Tool for screwing in narrow space according to claim 5, characterized in that the screwing seat (1) has a height of 10 cm.
7. Tool for screwing a narrow space screwing piece according to claim 6, characterized in that the side of the clamping part (4) facing away from the axis is a semicircular surface (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010913731.0A CN111922987B (en) | 2020-09-03 | 2020-09-03 | Tool for screwing piece in narrow space |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010913731.0A CN111922987B (en) | 2020-09-03 | 2020-09-03 | Tool for screwing piece in narrow space |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111922987A CN111922987A (en) | 2020-11-13 |
| CN111922987B true CN111922987B (en) | 2024-05-31 |
Family
ID=73310063
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010913731.0A Active CN111922987B (en) | 2020-09-03 | 2020-09-03 | Tool for screwing piece in narrow space |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111922987B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1431002A2 (en) * | 2002-12-20 | 2004-06-23 | Klaus Dr. Kempf | Fastening tool |
| CN203210252U (en) * | 2013-02-28 | 2013-09-25 | 成都易明半导体有限公司 | Wrench |
| CN108858011A (en) * | 2018-07-24 | 2018-11-23 | 北京无线电测量研究所 | A kind of device for screwing up and method for cabinet small space inner cable Seal Kit |
| CN211220456U (en) * | 2019-08-22 | 2020-08-11 | 河南德力新能源汽车有限公司 | Gland head packing nut fastening wrench |
| CN212265718U (en) * | 2020-09-03 | 2021-01-01 | 永济优耐特绝缘材料有限责任公司 | Tool for screwing part in narrow space |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7975578B2 (en) * | 2009-05-11 | 2011-07-12 | Pct International, Inc. | Tool for installing and removing male F-type coaxial cable connector |
-
2020
- 2020-09-03 CN CN202010913731.0A patent/CN111922987B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1431002A2 (en) * | 2002-12-20 | 2004-06-23 | Klaus Dr. Kempf | Fastening tool |
| CN203210252U (en) * | 2013-02-28 | 2013-09-25 | 成都易明半导体有限公司 | Wrench |
| CN108858011A (en) * | 2018-07-24 | 2018-11-23 | 北京无线电测量研究所 | A kind of device for screwing up and method for cabinet small space inner cable Seal Kit |
| CN211220456U (en) * | 2019-08-22 | 2020-08-11 | 河南德力新能源汽车有限公司 | Gland head packing nut fastening wrench |
| CN212265718U (en) * | 2020-09-03 | 2021-01-01 | 永济优耐特绝缘材料有限责任公司 | Tool for screwing part in narrow space |
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| Publication number | Publication date |
|---|---|
| CN111922987A (en) | 2020-11-13 |
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