CN211163712U - Fastener extracting tool - Google Patents
Fastener extracting tool Download PDFInfo
- Publication number
- CN211163712U CN211163712U CN201921889358.9U CN201921889358U CN211163712U CN 211163712 U CN211163712 U CN 211163712U CN 201921889358 U CN201921889358 U CN 201921889358U CN 211163712 U CN211163712 U CN 211163712U
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- China
- Prior art keywords
- fastener
- heating coil
- sleeve
- ratchet
- ratchet wrench
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- 238000010438 heat treatment Methods 0.000 claims abstract description 59
- 239000002184 metal Substances 0.000 claims abstract description 12
- 230000005611 electricity Effects 0.000 claims abstract description 3
- 239000010425 asbestos Substances 0.000 claims description 4
- 229910052895 riebeckite Inorganic materials 0.000 claims description 4
- 238000001816 cooling Methods 0.000 abstract description 4
- 238000009413 insulation Methods 0.000 description 5
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000009365 direct transmission Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 239000002253 acid Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
Images
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- Hand Tools For Fitting Together And Separating, Or Other Hand Tools (AREA)
Abstract
The utility model relates to a extracting tool, more specifically relates to a fastener extracting tool, including ratchet spanner, ratchet spanner work end's the back is provided with the sleeve that is equipped with heating coil, and ratchet spanner is provided with the power of being connected with the heating coil electricity. The power supply is arranged at the bottom end of the ratchet wrench, and the heating coil penetrates through one side, close to the ratchet wrench, of the sleeve to be connected with the power supply. The utility model realizes the disassembly of the rusty fastener by heating the fastener, and can not damage other metal pieces, thereby not reducing the service life of other equipment; this instrument improves on ratchet spanner's basis, accomplishes the cooling back again after heating the fastener, continues to use this instrument just can dismantle the fastener, reduces the instrument quantity that carries, makes things convenient for staff's use.
Description
Technical Field
The present invention relates to removal tools, and more particularly, to a fastener removal tool.
Background
The transmission line is exposed to the sun and rain in the open air for a long time, the fastener is easy to oxidize and corrode, and when the transmission line needs to be overhauled, the fastener is difficult to detach due to the oxidation and corrosion, so that the overhauling difficulty of high-altitude operation personnel is increased.
The existing common method is to use a rust remover for replacement, although rust of a fastener can be quickly removed, the components of the rust remover belong to strong acid, and have corrosion action on other normal metal parts and wires, so that the mechanical property of the metal is reduced, and therefore, non-overhaul equipment can be damaged in an accelerated manner on a power transmission line, and the service life of the non-overhaul equipment is shortened.
SUMMERY OF THE UTILITY MODEL
The utility model discloses an overcome and use the supplementary problem of dismantling the fastener and leading to the damage of non-maintenance equipment of rust remover among the above-mentioned prior art, provide a fastener extracting tool, realize the dismantlement of corrosion fastener through heating the fastener, can not cause the damage to other metalworks.
In order to solve the technical problem, the utility model discloses a technical scheme is: the utility model provides a fastener extracting tool, includes ratchet spanner, ratchet spanner is used for dismantling the back of the work end of fastener and is provided with the sleeve that is equipped with heating coil, ratchet spanner be provided with the power that heating coil electricity is connected.
The fastener is the nut and with the bolt that the nut was screwed up, and the sleeve cover is in the nut department of treating the dismantlement for the fastener is in heating coil, and the sleeve can play the guard action to heating coil, starts the power, and the coil circular telegram. The fastener is internally provided with a vortex, so that heat is generated, the sleeve can play a heat insulation role at the moment, heat loss is avoided, and the temperature of the fastener is increased. The fastener is heated to expand, the gap between the screw and the nut is enlarged after cooling, and then the nut can be easily removed by using the working side of the ratchet wrench.
Preferably, the power supply is arranged at one end of the ratchet wrench, which is far away from the heating coil, and the heating coil penetrates through one side of the sleeve, which is close to the ratchet wrench, and is connected with the power supply. The power supply is arranged at the bottom end, so that the hand-held use is not obstructed. The heating coil can lean on ratchet spanner surface with the electric wire of power to walk the line, has reduced the length of electric wire, avoids the electric wire overlength and takes place the winding and inconvenient handheld problem.
Further preferably, a junction box for routing the heating coil and the power supply is arranged on the surface of the ratchet wrench. The junction box can protect the connecting wires of the heating coil and the power supply, and can avoid electric shock of operators caused by electric leakage.
Preferably, the surface of the wire connecting the heating coil and the power supply is sleeved with an asbestos sleeve. The asbestos cover has a heat insulation effect, and can prevent the heating coil from fusing due to the fact that heat is transmitted back to the heating coil when the heating coil heats the fastener.
Preferably, the heating coil is arranged in the sleeve, and a gap is formed between the heating coil and the sleeve. The sleeve also can heat up to some extent in the heating process, and the sleeve is not in contact with the heating coil, so that the temperature of the heating coil is prevented from being increased due to the direct transmission of heat between the heating coil and the sleeve.
Preferably, the sleeve is made of metal. The sleeve made of metal can play a better rigid protection role.
Preferably, a heat insulation sleeve is arranged at the hand-held position of the ratchet wrench. The sleeve of metal has better heat conduction effect, and the radiation shield can let ratchet spanner even heat up, and operating personnel still can hand.
Preferably, a through hole with an axis parallel to the axis of the heating coil is formed in one end, away from the heating coil, of the ratchet wrench, and a handle is mounted on the through hole. The handle can be installed in the arbitrary one end of through-hole, does not have sufficient clearance between ratchet spanner and the fastener and lets when the operator holds ratchet spanner, can carry out ratchet spanner rotation or the stability of position through holding the handle.
Preferably, the handle is in threaded connection with the through hole.
Preferably, the handle is provided with a rubber sleeve. The rubber sleeve can increase the friction force of the handle and is not easy to fall off the hand.
Compared with the prior art, the beneficial effects are: the utility model realizes the disassembly of the rusty fastener by heating the fastener, and can not damage other metal pieces, thereby not reducing the service life of other equipment; this instrument improves on ratchet spanner's basis, heats the fastener and accomplishes the cooling back, and the continuation uses this instrument just can be dismantled the fastener, reduces the instrument quantity of carrying, makes things convenient for staff's use.
Drawings
FIG. 1 is a schematic structural view of a fastener removal tool of the present invention;
fig. 2 is a schematic structural view of embodiment 2 of a fastener removal tool of the present invention;
fig. 3 is a schematic front view of embodiment 3 of a fastener removal tool of the present invention;
fig. 4 is a schematic side view of embodiment 3 of a fastener removal tool according to the present invention.
Wherein: 1. a ratchet wrench; 2. a heating coil; 3. a sleeve; 4. a power source; 5. a junction box; 6. a heat insulating sleeve; 7. a through hole; 8. a handle; 9. and (4) a rubber sleeve.
Detailed Description
The drawings are for illustrative purposes only and are not to be construed as limiting the patent; for the purpose of better illustrating the embodiments, certain features 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 positional relationships depicted in the drawings are for illustrative purposes only and are not to be construed as limiting the present patent.
The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar parts; in the description of the present invention, it should be understood that if there are the terms "upper", "lower", "left", "right", "long", "short", etc. indicating the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of description, but it is not intended to indicate or imply that the device or element referred to 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 for illustrative purposes and are not to be construed as limiting the present patent, and those skilled in the art will understand the specific meaning of the terms according to their specific circumstances.
The technical solution of the present invention is further described in detail by the following specific embodiments in combination with the accompanying drawings:
example 1
Fig. 1 shows an embodiment of a fastener removing tool, which includes a ratchet wrench 1, a socket 3 with a heating coil 2 is provided on the back of the working end of the ratchet wrench 1 for removing a fastener, and a power source 4 (which may be a battery) electrically connected to the heating coil 2 is provided on the ratchet wrench 1.
Specifically, the power source 4 is disposed at an end of the ratchet wrench 1 away from the heating coil 2, and the heating coil 2 penetrates through the sleeve 3 and is connected to the power source at a side close to the ratchet wrench 1. The power source 4 is arranged at the bottom end, so that the hand-held use is not obstructed. The connecting wire of heating coil 2 and power 4 walks the line and can lean on ratchet wrench 1 surface, has reduced the length of electric wire, avoids the electric wire overlength and takes place the problem of winding and inconvenient handheld.
Wherein, the surface of the ratchet wrench 1 is provided with a junction box 5 for the heating coil 2 and the power supply 4 to run. The junction box 5 can protect the connecting wires of the heating coil 2 and the power supply 4, and can also avoid electric shock of an operator due to electric leakage.
In order to avoid the phenomenon that the heating coil is fused due to the fact that heat is transmitted back to the heating coil when the heating coil heats the fastener, an asbestos sleeve is sleeved on the surface of an electric wire, connected with the power source 4, of the heating coil 2.
In addition, the heating coil 2 is installed in the sleeve 3 with a gap from the inner wall of the sleeve 3. The sleeve 3 also can be heated up in the heating process, the sleeve 3 is not contacted with the heating coil 2, and the temperature rise of the heating coil 2 caused by the direct transmission of heat between the heating coil 2 and the sleeve 3 is avoided.
The utility model discloses a theory of operation or work flow: the sleeve 3 is sleeved at the nut to be disassembled, so that the nut and the bolt of the fastener are both arranged in the heating coil 2, the sleeve 3 can protect the heating coil 2, the power supply 4 is started, and the heating coil 2 is electrified. The fastener is internally provided with a vortex, so that heat is generated, the sleeve 3 can play a heat insulation role at the moment, heat loss is avoided, and the temperature of the fastener is increased. The fastener is heated and expanded, and after the fastener is cooled, the gap between the screw and the nut is increased. The ratchet wrench is then turned over and the nut can be easily removed using the working end of ratchet wrench 1.
The beneficial effects of this embodiment: the utility model realizes the disassembly of the rusty fastener by heating the fastener, and can not damage other metal pieces, thereby not reducing the service life of other equipment; this instrument improves on ratchet spanner's basis, heats the fastener and accomplishes the cooling back, and the continuation uses this instrument just can be dismantled the fastener, reduces the instrument quantity of carrying, makes things convenient for staff's use.
Example 2
Fig. 2 shows another embodiment of a fastener removing tool, which is different from embodiment 1 in that the sleeve 3 is made of metal. The sleeve made of metal can play a better rigid protection role.
Since the metal sleeve 3 has a good heat conduction effect and may cause the external temperature of the ratchet wrench to increase, the heat insulation sleeve 6 is disposed at the holding position of the ratchet wrench 1 so that the ratchet wrench can be held even when the temperature of the ratchet handle increases.
The remaining features and the operating principle of embodiment 2 are the same as those of embodiment 1.
Example 3
Fig. 3 to 4 show another embodiment of a fastener removing tool, which is different from embodiment 1 in that a through hole 6 having an axis parallel to that of the heating coil 2 is provided at an end of the ratchet wrench 1 remote from the heating coil 2, and a handle 7 is attached to the through hole 6. The handle 7 may be mounted at any end of the through hole, and there is not enough clearance between the ratchet wrench 1 and the fastener to allow an operator to hold the ratchet wrench 1 by hand and to perform rotation or position stabilization of the ratchet wrench by holding the handle 7 by hand.
Specifically, the handle 8 is in threaded connection with the through hole 7.
In addition, the handle 8 is provided with a rubber sleeve 9. The rubber sleeve can increase the friction force of the handle and is not easy to fall off the hand.
The remaining features and operating principle of embodiment 3 are the same as those of embodiment 1.
It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not limitations to 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 utility model provides a fastener extracting tool, includes ratchet spanner, its characterized in that, ratchet spanner (1) is used for dismantling the back of the work end of fastener and is provided with sleeve (3) that are equipped with heating coil (2), ratchet spanner (1) be provided with power (4) that heating coil (2) electricity is connected.
2. A fastener-removing tool according to claim 1, characterized in that the power source (4) is arranged at the end of the ratchet wrench (1) remote from the heating coil (2), and the heating coil (2) is connected to the power source (4) through the socket (3) on the side of the ratchet wrench (1).
3. A fastener-removing tool according to claim 2, characterized in that the ratchet wrench (1) is provided with a junction box (5) on its surface for routing the heating coil (2) and the power source (4).
4. A fastener remover according to claim 1, wherein the surface of the wire connecting said heating coil (2) to said power source (4) is covered with an asbestos cover.
5. A fastener removal tool according to claim 1, wherein the heater coil (2) is mounted within the sleeve (3) with a gap therebetween in the sleeve (3).
6. A fastener removal tool according to any one of claims 1 to 5, wherein the sleeve (3) is of metal.
7. A fastener removal tool according to claim 6, wherein the ratchet wrench (1) is provided with a heat insulating sleeve (6) at its hand.
8. A fastener remover according to any of claims 1-5, wherein said ratchet wrench (1) is provided with a through hole (7) at an end remote from said heating coil (2), said through hole (7) having an axis parallel to the axis of said heating coil (2), and a handle (8) is mounted on said through hole (7).
9. A fastener removal tool according to claim 8, wherein the handle (8) is threadedly connected to the through-hole (7).
10. A fastener removal tool according to claim 8, wherein the handle (8) is provided with a gum cover (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921889358.9U CN211163712U (en) | 2019-11-04 | 2019-11-04 | Fastener extracting tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921889358.9U CN211163712U (en) | 2019-11-04 | 2019-11-04 | Fastener extracting tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211163712U true CN211163712U (en) | 2020-08-04 |
Family
ID=71821003
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921889358.9U Active CN211163712U (en) | 2019-11-04 | 2019-11-04 | Fastener extracting tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211163712U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112548919A (en) * | 2020-12-03 | 2021-03-26 | 广东电网有限责任公司江门供电局 | Adjustable heating type corrosion screw extracting tool |
| CN115434955A (en) * | 2022-08-18 | 2022-12-06 | 华能国际电力股份有限公司上安电厂 | Feed water pump big cover nut heating device |
-
2019
- 2019-11-04 CN CN201921889358.9U patent/CN211163712U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112548919A (en) * | 2020-12-03 | 2021-03-26 | 广东电网有限责任公司江门供电局 | Adjustable heating type corrosion screw extracting tool |
| CN115434955A (en) * | 2022-08-18 | 2022-12-06 | 华能国际电力股份有限公司上安电厂 | Feed water pump big cover nut heating device |
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