CN203566151U - Welding fixture for changing of thermocouple junction - Google Patents
Welding fixture for changing of thermocouple junction Download PDFInfo
- Publication number
- CN203566151U CN203566151U CN201320782313.8U CN201320782313U CN203566151U CN 203566151 U CN203566151 U CN 203566151U CN 201320782313 U CN201320782313 U CN 201320782313U CN 203566151 U CN203566151 U CN 203566151U
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- Prior art keywords
- support member
- grip unit
- thermocouple junction
- jaws
- weld jig
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- 238000003466 welding Methods 0.000 title abstract description 18
- 230000001105 regulatory effect Effects 0.000 claims description 17
- 230000008859 change Effects 0.000 claims description 6
- 241000276425 Xiphophorus maculatus Species 0.000 claims description 3
- 230000006378 damage Effects 0.000 abstract description 5
- 230000005855 radiation Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910000679 solder Inorganic materials 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The utility model relates to a welding fixture for changng of a thermocouple junction. The welding fixture comprises a first support piece, and a first clamping unit and a second clamping unit which are arranged at two opposite end of the first support piece at a certain interval; the first clamping unit comprises a first clamping part with an adjustable clamping opening for clamping a first component to be welded; the second clamping unit comprises a second clamping part with an adjustable clamping opening for clamping a second component to be welded; the first clamping unit and the second clamping unit are arranged on the same side of the first support piece. By using the welding fixture, the welding success rate is increased, the radiation dose on welding personnel is reduced, unnecessary welding damage is reduced, and the cost is reduced.
Description
Technical field
The utility model relates to the maintenance field of nuclear power station core temperature measuring system, more particularly, relates to thermocouple junction in a kind of this system and changes weld jig.
Background technology
Along with power station long-play, the reactor core thermocouple of core temperature measuring system (RIC) and extension cable there will be joint to damage, and the faults such as reduction insulate.Discharge these faults, guarantee that core temperature measuring system runs well, conventionally can keep in repair by the mode of changing joint, avoid integral replacing cable even to change risk and hidden danger that reactor core thermocouple brings.
The space, working region of the nuclear power station core temperature measuring system in correlation technique is relatively narrow and small, lacks again relevant instrument the replacing of thermocouple junction is carried out to auxiliary operation.
Be subject to spatial limitation, welding personnel will not have under other human-aided conditions conventionally, takes on the other hand thermocouple junction, takes on the other hand soldering appliance complete independently structure to change welding job, and operating process is more difficult, needs the longer working time of cost.Welding job belongs to again accurate operation, slightly mistake or operate the joint replacing failure of just may causing not in place, and failure result may cause thermocouple junction spare part impaired.Thermocouple junction belongs to core level equipment (K1 level), and price is very high, and damage will cause larger waste.
If welding again, operating personnel increased in working time of working region, can increase operating personnel and be subject to the time of radiation, increased operating personnel's raying dosage, and operating personnel's health is had to larger injury.
If guarantee the success rate of welding, conventionally need in narrow space, arrange two staff to help each other and weld, this allows narrow and small working space seem more crowded, the expansion of inconvenient welding job.
Utility model content
The technical problems to be solved in the utility model is, provides a kind of improved thermocouple junction to change weld jig.
The utility model solves the technical scheme that its technical problem adopts: construct a kind of thermocouple junction and change weld jig, comprise the first support member and be disposed on the first grip unit, the second grip unit on two opposite ends of described the first support member;
Described the first grip unit comprises that jaws size is adjustable to clamp the first clamping part of first component to be welded;
Described the second grip unit comprises that jaws size is adjustable to clamp the second clamping part of second component to be welded;
Described the first grip unit, the second grip unit are arranged on the homonymy of described the first support member.
Preferably, described the first clamping part comprises the first jaws of the opening that takes the shape of the letter U and can be displaced sideways the first regulating part being arranged between described the first jaws opening, and what described the first regulating part was displaced sideways can clamping range with what regulate described the first jaws.
Preferably, described the first jaws comprises two the first side walls that are oppositely arranged, the second sidewall, and described the first side wall is provided with first actuator that can be displaced sideways along it, and described the first regulating part is arranged on described the first actuator.
Preferably, described the first actuator comprises screw rod, described the first actuator and the first side wall threaded engagement, and the outer end of described the first actuator is provided with the operating grip that drives described the first actuator to rotate.
Preferably, at least one in described the first grip unit, the second grip unit can longitudinally moving around along described the first support member.
Preferably, described the first grip unit also comprises the second support member of lengthwise structure, and described the first clamping part is located at one end of described the second support member, and the other end of described the second support member is provided with the first connecting hole and the first locking part;
Described the first support member is provided with the adjustment hole of longitudinal, described the first locking part wears described adjustment hole and is connected with described the first connecting hole, to regulate the position of described the first grip unit on described the first support member and described the first support member is fixedly connected with the second support member.
Preferably, described the second grip unit also comprises the 3rd support member of lengthwise structure, described the 3rd support member one end corresponding with described the first support member is provided with the second connecting hole and the second locking part, described the second locking part wears described adjustment hole and is connected with described the second connecting hole, to regulate the position of described the second grip unit on described the first support member and described the first support member is fixedly connected with the 3rd support member.
Preferably, and the jaws opening direction of described the first clamping part is identical or opposing with the jaws opening direction of described the second clamping part, and all vertical with the adjusting direction of described adjustment hole.
Preferably, the platy structure that described the first support member is lengthwise, described adjustment hole arranges along its longitudinally, and described the second support member, the 3rd support member are all perpendicular to the side of described the first support member.
Preferably, described the second grip unit is identical with the structure of described the first grip unit.
Implement thermocouple junction of the present utility model and change weld jig, there is following beneficial effect: by the first grip unit in the utility model and the second grip unit, in advance thermocouple to be welded and thermocouple junction are gripped respectively, by the first support member, both are connected again, behind the position of good thermocouple to be adjusted and thermocouple junction, can keep the location status of clamping, the welding personnel welding operation of carrying out to thermocouple and thermocouple junction separately, improved and be welded into power, reduced welding personnel raying dosage, having reduced unnecessary welding damages, saved cost.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is described in further detail, in accompanying drawing:
Fig. 1 is the structural representation that weld jig is changed in the thermocouple junction in embodiment of the utility model;
Fig. 2 is the structural representation while cancelling the first regulating part in Fig. 1.
The specific embodiment
For technical characterictic of the present utility model, object and effect being had more clearly, understand, now contrast accompanying drawing and describe the specific embodiment of the present utility model in detail.
As shown in Figure 1, the replacing of the thermocouple junction in preferred embodiment of the utility model weld jig comprises the first support member 10 and is disposed on the first grip unit 20, the second grip unit 30 on 10 liang of opposite ends of the first support member.This thermocouple junction is changed weld jig and be can be applicable to nuclear power station core temperature measuring system, and the joint on reactor core thermocouple is welded to replacing.
In certain embodiments, the platy structure that the first support member 10 is lengthwise, its surface is provided with the adjustment hole 11 of longitudinal along longitudinally, be connected, and be adjusted in the installation site on the first support member 10 adjustment holes 11 for the first grip unit 20, the second grip unit 30 with the first support member 10.The first support member 10 also can be bracing frame in other embodiments, by the first grip unit 20, the installation site of the second grip unit 30 on the first support member 10, regulates spacing between the two.
Further, the first grip unit 20 comprises the second support member 21 of lengthwise structure and is arranged on its one end in order to clamp the first clamping part 22 of first component to be welded 40.Preferably, first component 40 to be welded is thermocouple junction, in other embodiments, also can be other tabular or shaft-like metal solder things.
In certain embodiments, the first clamping part 22 comprise the first jaws 221 of the opening that takes the shape of the letter U and can be displaced sideways be arranged on the first regulating part 222 between the first jaws 221 openings.The first jaws 221 comprises two the first side walls that are oppositely arranged 2211, the second sidewall 2212, and it is screw rod that the first side wall 2211 is provided with first actuator 223, the first actuators 223 that can be displaced sideways along it, itself and the first side wall 2211 threaded engagement.The first regulating part 222 is arranged on the first actuator 223, by rotating the first actuator 223, drives the first regulating part 222 to be displaced sideways, and to regulate the openings of sizes of the first clamping part 22, clamps the thermocouple junction of different-diameter.Preferably, in the outer end of the first actuator 223, be provided with the operating grip 224 that drives its rotation.Again as shown in Figure 1, in certain embodiments, on the other end of the second support member 21, be provided with the first connecting hole 23 and the first locking part 24, by the first locking parts 24 such as bolts, wear adjustment hole 11 and be connected with the first connecting hole 23, to regulate the position of the first grip unit 20 on the first support member 10 and the first support member 10 is fixedly connected with the second support member 21.On the first locking part 24, be also provided with operating grip 224, with fastening by manually carrying out.Preferably, the first connecting hole 23 axially identical with the longitudinal direction of the second support member 21, to prevent that the second support member 21 is subject to the axial rotation of side force along the first connecting hole 23 at work.
Preferably, in certain embodiments, the structure of the second grip unit 30 is identical with the structure of the first grip unit 20, to increase versatility.In other embodiments, also can design respectively according to environment for use both structures.
In certain embodiments, the second grip unit 30 is arranged on the homonymy of the first support member 10, and it comprises the 3rd support member 31 of lengthwise structure and is arranged on its one end in order to clamp the second clamping part 32 of second component to be welded 50.Preferably, the thermocouple that second component 50 to be welded is thermocouple junction to be replaced, in other embodiments, also can be other tabular or shaft-like metal solder things.
In certain embodiments, the second clamping part 32 comprise the second jaws 321 of the opening that takes the shape of the letter U and can be displaced sideways be arranged on the second regulating part 322 between the second jaws 321 openings.The second jaws 321 comprises that it is screw rod that two the 3rd sidewall 3211, the 4th sidewall 3212, the three sidewalls 3211 that are oppositely arranged are provided with second actuator 323, the second actuators 323 that can be displaced sideways along it, itself and the 3rd sidewall 3211 threaded engagement.The second regulating part 322 is arranged on the second actuator 323, by rotating the second actuator 323, drives the second regulating part 322 to be displaced sideways, to regulate the openings of sizes of the second clamping part 32.Preferably, in the outer end of the second actuator 323, be provided with the operating grip 224 that drives its rotation.
Further, on the other end of the 3rd support member 31, be provided with the second connecting hole 33 and the second locking part 34, by the second locking parts 34 such as bolts, wear adjustment hole 11 and be connected with the second connecting hole 33, to regulate the position of the second grip unit 30 on the first support member 10 and the first support member 10 is fixedly connected with the 3rd support member 31.On the second locking part 34, be also provided with operating grip 224, with fastening by manually carrying out.Preferably, the second connecting hole 33 axially identical with the longitudinal direction of the 3rd support member 31, to prevent that the 3rd support member 31 is subject to the axial rotation of side force along the second connecting hole 33 at work.
In certain embodiments, the first grip unit 20, the second grip unit 30 are arranged on the homonymy of the first support member 10, and the second support member 21, the 3rd support member 31 be all perpendicular to the side of the first support member 10, with the structural stability after guaranteeing to interconnect.
Preferably, the jaws opening direction of the first clamping part 22 is identical or opposing with the jaws opening direction of the second clamping part 32, and all vertical with the adjusting direction of adjustment hole 11, to guarantee that first component 40 and second component 50 can be controlled in same direction, avoid being partially welded to.The second support member 21, the 3rd support member 31 can adopt lightweight and the enough metal materials of intensity, also can under the prerequisite of proof strength, adopt plastic cement or wooden material.
Because the intensity of thermocouple is enough large, after the second grip unit 30 is clamped, the first grip unit 20, the second grip unit 30 and the first support member 10 after interconnecting form a rigid support mechanism, and the thermocouple junction that guarantees to be clamped in the first grip unit 20 can not produce and depart from welding process with the thermocouple being clamped in the second grip unit 30.
As shown in Figure 2, understandably, in other embodiments, the first regulating part 222 can be cancelled, directly by the first actuator 223 and the second sidewall 2212, first component 40 be clamped.Certainly, also can the second regulating part 322 be cancelled simultaneously, by the second actuator 323 and the 4th sidewall 3212, second component 50 be clamped; Or by arbitrary cancellation in the first regulating part 222 or the second regulating part 322.
Understandably, above-mentioned each technical characterictic can be combined use and unrestricted.
The foregoing is only embodiment of the present utility model; not thereby limit the scope of the claims of the present utility model; every equivalent structure or conversion of equivalent flow process that utilizes the utility model description and accompanying drawing content to do; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present utility model.
Claims (10)
1. a weld jig is changed in thermocouple junction, it is characterized in that, comprises the first support member (10) and is disposed on the first grip unit (20), the second grip unit (30) on two opposite ends of described the first support member (10);
Described the first grip unit (20) comprises that jaws size is adjustable to clamp first clamping part (22) of first component to be welded (40);
Described the second grip unit (30) comprises that jaws size is adjustable to clamp second clamping part (32) of second component to be welded (50);
Described the first grip unit (20), the second grip unit (30) are arranged on the homonymy of described the first support member (10).
2. weld jig is changed in thermocouple junction according to claim 1, it is characterized in that, described the first clamping part (22) comprises first jaws (221) of the opening that takes the shape of the letter U and can be displaced sideways the first regulating part (222) being arranged between described the first jaws (221) opening, and what described the first regulating part (222) was displaced sideways can clamping range with what regulate described the first jaws (221).
3. weld jig is changed in thermocouple junction according to claim 2, it is characterized in that, described the first jaws (221) comprises two the first side walls that are oppositely arranged (2211), the second sidewall (2212), described the first side wall (2211) is provided with first actuator (223) that can be displaced sideways along it, and described the first regulating part (222) is arranged on described the first actuator (223).
4. weld jig is changed in thermocouple junction according to claim 3, it is characterized in that, described the first actuator (223) comprises screw rod, described the first actuator (223) and the first side wall (2211) threaded engagement, the outer end of described the first actuator (223) is provided with the operating grip (224) that drives described the first actuator (223) to rotate.
5. weld jig is changed in thermocouple junction according to claim 2, it is characterized in that, at least one in described the first grip unit (20), the second grip unit (30) can longitudinally moving around along described the first support member (10).
6. weld jig is changed in thermocouple junction according to claim 5, it is characterized in that, described the first grip unit (20) also comprises second support member (21) of lengthwise structure, described the first clamping part (22) is located at one end of described the second support member (21), and the other end of described the second support member (21) is provided with the first connecting hole (23) and the first locking part (24);
Described the first support member (10) is provided with the adjustment hole (11) of longitudinal, described the first locking part (24) wears described adjustment hole (11) and is connected with described the first connecting hole (23), to regulate the position of described the first grip unit (20) on described the first support member (10) and described the first support member (10) is fixedly connected with the second support member (21).
7. weld jig is changed in thermocouple junction according to claim 6, it is characterized in that, described the second grip unit (30) also comprises the 3rd support member (31) of lengthwise structure, described the 3rd support member (31) one end corresponding with described the first support member (10) is provided with the second connecting hole (33) and the second locking part (34), described the second locking part (34) wears described adjustment hole (11) and is connected with described the second connecting hole (33), to regulate the position of described the second grip unit (30) on described the first support member (10) and described the first support member (10) be fixedly connected with the 3rd support member (31).
8. weld jig is changed in thermocouple junction according to claim 7, it is characterized in that, the jaws opening direction of described the first clamping part (22) is identical or opposing with the jaws opening direction of described the second clamping part (32), and all vertical with the adjusting direction of described adjustment hole (11).
9. weld jig is changed in thermocouple junction according to claim 8, it is characterized in that, the platy structure that described the first support member (10) is lengthwise, described adjustment hole (11) arranges along its longitudinally, and described the second support member (21), the 3rd support member (31) are all perpendicular to the side of described the first support member (10).
10. according to the thermocouple junction described in claim 1 to 9 any one, change weld jig, it is characterized in that, described the second grip unit (30) is identical with the structure of described the first grip unit (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320782313.8U CN203566151U (en) | 2013-11-27 | 2013-11-27 | Welding fixture for changing of thermocouple junction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320782313.8U CN203566151U (en) | 2013-11-27 | 2013-11-27 | Welding fixture for changing of thermocouple junction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203566151U true CN203566151U (en) | 2014-04-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320782313.8U Expired - Lifetime CN203566151U (en) | 2013-11-27 | 2013-11-27 | Welding fixture for changing of thermocouple junction |
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| CN (1) | CN203566151U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104668865A (en) * | 2015-03-09 | 2015-06-03 | 中国人民解放军第五七一九工厂 | Thermocouple welding clamping device |
| CN106558774A (en) * | 2016-12-06 | 2017-04-05 | 国网山东省电力公司曹县供电公司 | High-tension bus-bar grounding assembly |
| CN106558771A (en) * | 2016-12-06 | 2017-04-05 | 国网山东省电力公司曹县供电公司 | The wiring pile clamping device of high-tension bus-bar grounding apparatus |
| CN112453676A (en) * | 2020-12-10 | 2021-03-09 | 杨秀清 | Ultra-thin thermocouple welding set |
-
2013
- 2013-11-27 CN CN201320782313.8U patent/CN203566151U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104668865A (en) * | 2015-03-09 | 2015-06-03 | 中国人民解放军第五七一九工厂 | Thermocouple welding clamping device |
| CN106558774A (en) * | 2016-12-06 | 2017-04-05 | 国网山东省电力公司曹县供电公司 | High-tension bus-bar grounding assembly |
| CN106558771A (en) * | 2016-12-06 | 2017-04-05 | 国网山东省电力公司曹县供电公司 | The wiring pile clamping device of high-tension bus-bar grounding apparatus |
| CN112453676A (en) * | 2020-12-10 | 2021-03-09 | 杨秀清 | Ultra-thin thermocouple welding set |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140430 |