CN207197704U - A kind of closed fixture - Google Patents
A kind of closed fixture Download PDFInfo
- Publication number
- CN207197704U CN207197704U CN201721275874.3U CN201721275874U CN207197704U CN 207197704 U CN207197704 U CN 207197704U CN 201721275874 U CN201721275874 U CN 201721275874U CN 207197704 U CN207197704 U CN 207197704U
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- Prior art keywords
- dynamometry
- sleeve
- fixture
- connector
- closed
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- 230000003993 interaction Effects 0.000 claims abstract description 6
- 239000012212 insulator Substances 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
It the utility model is related to power equipment maintaining apparatus field, and in particular to a kind of closed fixture.The closed fixture includes the first fixture, the second fixture and dynamometry component；Grasping part is formed between first fixture and the second fixture；Dynamometry component is connected with the first fixture；Dynamometry component includes dynamometry part, indication piece and connector, and connector is used to be connected with load leading screw, and dynamometry part is used to measure the interaction force between closed fixture and leading screw, and indication piece is used to show the power that dynamometry part measures.Closed fixture provided by the utility model can measure the stress of load leading screw, avoid load leading screw that plastic deformation and fracture occurs, and use is safer.
Description
Technical field
It the utility model is related to a kind of power equipment maintaining equipment, particularly a kind of closed fixture.
Background technology
During insulator is changed, it is necessary to using two closed fixture clamping insulators concrete column, two closed fixtures
Between be connected by load leading screw, then stretch leading screw, insulator relaxed, the dismounting and replacing of sub-pieces can be realized.
However, the allowable stress of load leading screw is limited.In practical application, the stress size of leading screw often can only be by tieing up
Repair personnel rule of thumb to judge, therefore the pulling force for leading screw usually occur can exceed that the situation of its allowable stress value, easily cause
The plastic deformation of leading screw is even broken, and then triggers accident.
Utility model content
Goal of the invention of the present utility model is：For the problem of closed fixture is present in the prior art, there is provided one kind can be with
The closed fixture of dynamometry.
To achieve these goals, the technical solution adopted in the utility model is：
A kind of closed fixture, including the first fixture, the second fixture and dynamometry component；
Grasping part is formed between first fixture and the second fixture；
Dynamometry component is connected with the first fixture；
Dynamometry component includes dynamometry part, indication piece and connector, and connector is used to be connected with load leading screw, and dynamometry part is used for
The interaction force between closed fixture and leading screw is measured, indication piece is used for the firmly numerical value for showing that dynamometry part measures.
Closed fixture provided by the utility model can measure the interaction force between closed fixture and leading screw by dynamometry part,
And the stressing conditions of leading screw are indicated by indication piece, so as to avoid the power that leading screw is subject to from causing thing beyond the working strength of leading screw
Therefore.
As preferred scheme of the present utility model, connecting hole is formed on connector, connecting hole is used to be connected with load leading screw.
As preferred scheme of the present utility model, dynamometry component includes sleeve, and sleeve is fixedly linked with the first fixture, connection
Part is slidingly disposed in sleeve.
Connector is slidingly disposed in sleeve, and the stress of connector is different, then its by the position in sleeve not
Together, by indicating the position of connector, the stress size of connector can be learnt.
As preferred scheme of the present utility model, dynamometry part is flexible, and dynamometry part is placed in sleeve, dynamometry part one end with
Sleeve lining abuts, and the dynamometry part other end abuts with connector, when connector slides relative to sleeve, dynamometry part connected piece pressure
Contracting.
Specifically, connector is in stress, it will compression dynamometry part, when the stress of connector is big, and the decrement of dynamometry part
Larger, the position of connector produces larger change therewith.
As preferred scheme of the present utility model, sleeve is provided with chute, and length direction of the chute along sleeve indicates along stretching
Part is placed in the outside of sleeve, and indication piece is connected with connector by chute.
Indication piece is connected with connector, and indication piece is located at the outside of sleeve, so as to facilitate position of the maintenance personal to connector
Put and observed.Further, the scale of power can also be set on the outside of sleeve, so that the stress of connector and load leading screw
It is very clear.
As preferred scheme of the present utility model, the closing of sleeve one end, the other end is provided with the end being detachably connected with sleeve
Lid, connector are located in sleeve close to one end of end cap, and dynamometry part is located at one end away from end cap in sleeve.
Pull down end cap, it is convenient to which the part in sleeve is overhauled and changed.
As preferred scheme of the present utility model, sleeve one end open, the other end is provided with the end being detachably connected with sleeve
Cover, be provided with sleeve and keep out platform, kept out platform and be provided with slide opening；Chute is keeping out the extension of the region between platform and end cap.
As preferred scheme of the present utility model, connector includes abutting part, connecting rod and connecting portion, and connecting hole is located at connection
In portion, abutting part is connected with connecting portion by connecting rod, and connecting rod is slidably disposed through slide opening, abutting part and connecting portion be respectively arranged on to
The both sides of block machine；Connecting portion, which is placed in, keeps out side of the platform away from end cap, and abutting part, which is placed in, keeps out between platform and end cap, dynamometry part one
Hold and abutted with keeping out platform, the other end abuts with abutting part；Indication piece is connected with abutting part.
Above-mentioned organization plan causes in use, indication piece can be avoided to be covered by leading screw, facilitate maintenance personal
Observation.
As preferred scheme of the present utility model, the first fixture both ends are equipped with dynamometry component.
Enter to set dynamometry component at the both ends of the first fixture, can confirm that whether the stress at closed fixture both ends is uniform, so as to
Avoid the unbalance stress of both ends load leading screw.
As preferred scheme of the present utility model, dynamometry part is sensor, and indication piece is display screen, dynamometry part and instruction
Part electrically connects, and dynamometry part is on connector.
Using sensor as dynamometry part, display screen as indication piece, its occupation mode compared to mechanical dynamometry more
It is convenient.
Brief description of the drawings
Fig. 1 is structural representation of the closed fixture of the offer of the utility model embodiment 1 under the first visual angle.
Fig. 2 is structural representation of the closed fixture of the offer of the utility model embodiment 1 under the second visual angle.
Fig. 3 is the structural representation of the closed fixture of the offer of the utility model embodiment 1 at work.
Fig. 4 is the structural representation of the closed fixture of the offer of the utility model embodiment 2 at work.
Icon：100- closed fixtures；The fixtures of 110- first；The fixtures of 130- second；150- connecting pins；170- dynamometry components；
172- connectors；174- dynamometry parts；176- indication pieces；178- sleeves；1722- connecting holes；1724- abutting parts；1726- connecting rods；
1728- connecting portions；1782- end caps；1784- chutes；1786- scale areas；1788- keeps out platform；200- load leading screws.
Embodiment
Below in conjunction with the accompanying drawings, the utility model is described in detail.
In order that the purpose of this utility model, technical scheme and advantage are more clearly understood, below in conjunction with accompanying drawing and implementation
Example, the utility model is further elaborated.It should be appreciated that specific embodiment described herein is only explaining this
Utility model, it is not used to limit the utility model.
Embodiment 1
The present embodiment provides a kind of closed fixture 100.This closed fixture 100 includes the first fixture 110, the second fixture 130, connected
Pin 150 and dynamometry component 170.
The one end of first fixture 110 is hinged with the one end of the second fixture 130, and the other end of the first fixture 110 and the second fixture 130 are another
One end is detachably connected by connecting pin 150.Formed between first fixture 110 and the second fixture 130 for clamping insulator
The grasping part of the concrete column of piece.
The quantity of dynamometry component 170 is two.The one end of first fixture 110 is connected with first dynamometry component 170, the first card
Have 110 other ends with another dynamometry component 170 to be connected.
Dynamometry component 170 includes dynamometry part 174, indication piece 176, connector 172 and sleeve 178.
Sleeve 178 is fixedly linked with the first fixture 110.
The one end of sleeve 178 is closed, and the other end is provided with realizes the end cap 1782 being detachably connected with sleeve 178 by screw thread.
Connector 172 and dynamometry part 174 are located in sleeve 178.
Specifically, dynamometry part 174 is spring.The one end of connector 172 abuts with end cap 1782, the other end of connector 172 with
Dynamometry part 174 abuts, and the one end of dynamometry part 174 away from connector 172 abuts with the blind end of sleeve 178.
Connector 172 is provided with connecting hole 1722.Connecting hole 1722 is used to be connected with load leading screw 200.
Chute 1784 is additionally provided with sleeve 178.Indication piece 176 is pointer, and indication piece 176 passes through chute 1784 and connector
172 are connected.The edge of chute 1784 is provided with scale area 1786.Scale area 1786 coordinates with indication piece 176, for showing connector
The size of interaction force between 172 and load leading screw 200.
The operation principle for the closed fixture 100 that the present embodiment provides is：
In use, the hole on load leading screw 200 coordinates with the connecting hole 1722 on connector 172, and pass through spiral shell peg or pin
It is connected Deng fastener realization.The both ends of load leading screw 200 are connected with closed fixture 100.Closed fixture positioned at the both ends of load leading screw 200
During carrying out letting out power to sub-pieces, load leading screw 200 is drawn the concrete column of 100 two sub-pieces of clamping respectively
Power, it produces interaction force between connector 172, contiguous block is slided in sleeve 178, and compresses dynamometry part 174, surveys
The timing of reduction length one of power part 174, the pressure that it is subject to are certain.The compression for indicating dynamometry part 174 by indication piece 176 is grown
Degree, and then the stress of load leading screw 200 can be obtained.
The beneficial effect for the closed fixture 100 that the present embodiment provides is：
Closed fixture 100 provided by the utility model can easily measure the power suffered by load screw mandrel, avoid force bearing filament
The stress of thick stick 200 need to use value beyond it；
Closed fixture 100 provided by the utility model carries out dynamometry using pure mechanic structure, and long lifespan, cost is low, Neng Gouman
The demand of the harsh use environment in sufficient field.
Embodiment 2
Present embodiments provide a kind of closed fixture 100.The knot for the closed fixture 100 that this closed fixture 100 provides with embodiment 1
Structure is essentially identical.Its difference is：The structure of dynamometry component 170 is different.
In the present embodiment, the one end open of sleeve 178, the other end are provided with the end cap 1782 being detachably connected with sleeve 178,
It is provided with sleeve 178 and keeps out platform 1788, is kept out platform 1788 and be provided with slide opening.Chute 1784 keep out platform 1788 and end cap 1782 it
Between region extension.Sleeve 178 is provided with chute 1784, and length direction edge of the chute 1784 along sleeve 178 is stretched, indication piece 176
It is placed in the outside of sleeve 178.The edge of chute 1784 is provided with scale area 1786.
Connector 172 includes abutting part 1724, connecting rod 1726 and connecting portion 1728, and connecting hole 1722 is located at connecting portion 1728
On.
Abutting part 1724 is connected with connecting portion 1728 by connecting rod 1726, and connecting rod 1726 is slidably disposed through slide opening, is abutted
Portion 1724 is respectively arranged on the both sides for keeping out platform 1788 with connecting portion 1728；Connecting portion 1728, which is placed in, keeps out platform 1788 away from end cap
1782 side, abutting part 1724, which is placed in, keeps out between platform 1788 and end cap 1782, and elastic component one end abuts with keeping out platform 1788,
The other end abuts with abutting part 1724；Indication piece 176 is connected through chute 1784 with abutting part 1724.
The operation principle for the closed fixture 100 that the present embodiment is provided and the closed fixture 100 in embodiment 1 are essentially identical,
It will not go into details for this.
On the basis of the closed fixture 100 that embodiment 1 is provided, closed fixture 100 that the present embodiment is provided also have with
Lower beneficial effect：
In use, the indication piece 176 for the closed fixture 100 that the present embodiment is provided is in the both ends of load leading screw 200 all the time
Outside, it can be ensured that the indication piece 176 of the closed fixture 100 will not be blocked by load leading screw 200, be easy to maintenance personal's reading.
Embodiment 3
Present embodiments provide a kind of closed fixture 100.This closed fixture 100 include the first fixture 110, the second fixture 130,
Connecting pin 150 and dynamometry component 170.
The one end of first fixture 110 is hinged with the one end of the second fixture 130, and the other end of the first fixture 110 and the second fixture 130 are another
One end is detachably connected by connecting pin 150.Formed between first fixture 110 and the second fixture 130 for clamping insulator
The grasping part of the concrete column of piece.
The quantity of dynamometry component 170 is two.The one end of first fixture 110 is connected with first dynamometry component 170, the first card
Have 110 other ends with another dynamometry component 170 to be connected.
Dynamometry component 170 includes dynamometry part 174, indication piece 176 and connector 172.
Dynamometry part 174 is sensor, and indication piece 176 is display screen, is electrically connected between dynamometry part 174 and indication piece 176.
It is connected between dynamometry part 174 and the first fixture 110 by connector 172.
The beneficial effect for the closed fixture 100 that the present embodiment provides is：The stress of load leading screw 200 is measured by sensor
Situation, its measurement accuracy is higher, and use is more convenient.
Preferred embodiment of the present utility model is the foregoing is only, it is all at this not to limit the utility model
All any modification, equivalent and improvement made within the spirit and principle of utility model etc., should be included in the utility model
Protection domain within.
Claims (10)
1. a kind of closed fixture, it is characterised in that including the first fixture, the second fixture and dynamometry component；
Grasping part is formed between first fixture and second fixture；
The dynamometry component is connected with first fixture；
The dynamometry component includes dynamometry part, indication piece and connector, and the connector is used to be connected with load leading screw, the survey
Power part is used to measure the interaction force between the closed fixture and the load leading screw, and the indication piece is used to show the survey
The firmly numerical value that power part measures.
2. closed fixture according to claim 1, it is characterised in that connecting hole, the connecting hole are formed on the connector
For being connected with the load leading screw.
3. closed fixture according to claim 2, it is characterised in that the dynamometry component includes sleeve, the sleeve and institute
State the first fixture to be fixedly linked, the connector is slidingly disposed in the sleeve.
4. closed fixture according to claim 3, it is characterised in that the dynamometry part is flexible, and the dynamometry part is placed in
In the sleeve, described dynamometry part one end abuts with the sleeve lining, and the dynamometry part other end abuts with the connector,
When the connector slides relative to the sleeve, the dynamometry part is compressed by the connector.
5. closed fixture according to claim 4, it is characterised in that the sleeve is provided with chute, and the chute is described in
For the length direction of sleeve along stretching, the indication piece is placed in the outside of the sleeve, and the indication piece passes through institute with the connector
Chute is stated to be connected.
6. closed fixture according to claim 5, it is characterised in that the closing of described sleeve one end, the other end be provided with it is described
The end cap that sleeve is detachably connected, the connector are located in the sleeve and set close to one end of the end cap, the dynamometry part
One end away from the end cap in the sleeve.
7. closed fixture according to claim 5, it is characterised in that the sleeve one end open, the other end be provided with it is described
The end cap that sleeve is detachably connected, it is provided with the sleeve and keeps out platform, the platform of keeping out is provided with slide opening；
The chute is in the region extension kept out between platform and the end cap.
8. closed fixture according to claim 7, it is characterised in that the connector includes abutting part, connecting rod and connecting portion,
The connecting hole is on the connecting portion, and the abutting part is connected with the connecting portion by the connecting rod, and the connecting rod can
The slide opening is slidably passed through, the abutting part is respectively arranged on the both sides for keeping out platform with the connecting portion；
The connecting portion be placed in it is described keep out side of the platform away from the end cap, the abutting part be placed in it is described keep out platform with it is described
Between end cap, described dynamometry part one end abuts with the platform of keeping out, and the other end abuts with the abutting part；
The indication piece is connected with the abutting part.
9. closed fixture according to claim 1, it is characterised in that the first fixture both ends are equipped with the dynamometry group
Part.
10. closed fixture according to claim 2, it is characterised in that the dynamometry part is sensor, and the indication piece is aobvious
Display screen curtain, the dynamometry part electrically connect with the indication piece, and the dynamometry part is on the connector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721275874.3U CN207197704U (en) | 2017-09-29 | 2017-09-29 | A kind of closed fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721275874.3U CN207197704U (en) | 2017-09-29 | 2017-09-29 | A kind of closed fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207197704U true CN207197704U (en) | 2018-04-06 |
Family
ID=61787745
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721275874.3U Active CN207197704U (en) | 2017-09-29 | 2017-09-29 | A kind of closed fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207197704U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109870300A (en) * | 2019-04-04 | 2019-06-11 | 广东电网有限责任公司 | It is a kind of for detecting the test piece and test method of closed fixture |
-
2017
- 2017-09-29 CN CN201721275874.3U patent/CN207197704U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109870300A (en) * | 2019-04-04 | 2019-06-11 | 广东电网有限责任公司 | It is a kind of for detecting the test piece and test method of closed fixture |
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