CN204012457U - Lead screw assembly - Google Patents
Lead screw assembly Download PDFInfo
- Publication number
- CN204012457U CN204012457U CN201420401357.6U CN201420401357U CN204012457U CN 204012457 U CN204012457 U CN 204012457U CN 201420401357 U CN201420401357 U CN 201420401357U CN 204012457 U CN204012457 U CN 204012457U
- Authority
- CN
- China
- Prior art keywords
- installed part
- lead screw
- pressure sensor
- supporting bracket
- screw assembly
- Prior art date
- 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.)
- Expired - Fee Related
Links
- 230000009471 action Effects 0.000 claims description 11
- 238000009434 installation Methods 0.000 claims description 6
- 239000012212 insulator Substances 0.000 description 26
- 230000005540 biological transmission Effects 0.000 description 6
- 239000004020 conductor Substances 0.000 description 6
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 6
- 239000010931 gold Substances 0.000 description 6
- 229910052737 gold Inorganic materials 0.000 description 6
- 230000008859 change Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 3
- 239000011521 glass Substances 0.000 description 2
- 229910052573 porcelain Inorganic materials 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
Landscapes
- Measuring Fluid Pressure (AREA)
Abstract
The utility model provides a kind of lead screw assembly.Lead screw assembly comprises leading screw screw rod and the feed screw nut being connected with leading screw screw flight, and lead screw assembly also comprises: pressure sensor, and pressure sensor is arranged on one end away from feed screw nut of leading screw screw rod; Display unit, display unit is electrically connected with pressure sensor; Fixed part, leading screw screw rod is connected with pressure sensor by fixed part; Wherein, fixed part comprises the first installed part and the second installed part being connected with the first installed part, and leading screw screw rod is connected with the first installed part, and pressure sensor is connected with the second installed part.According to lead screw assembly of the present utility model, can improve the security performance of upkeep operation.
Description
Technical field
The utility model relates to electric power apparatus examination field, more specifically, relates to a kind of lead screw assembly.
Background technology
Insulator is a kind of special insulation control, is arranged between the conductor of different potentials or between conductor and current potential member, withstand voltage and mechanical stress effect, in overhead transmission line, plays an important role.
In overhead transmission line, insulator is between tower and conductor, and insulator has two basic effects, support wire and prevent electric current return (even wire with shaft tower insulate).These two effects must be guaranteed.Insulator should not cause various dynamo-electric stress to lose efficacy because environment and electric loading condition change, otherwise insulator just can not play a role, use and the service life of infringement whole piece circuit.
In electric power system, conventionally use and form insulator string by multiple insulators.Insulator string connects tower and conductor by gold utensil.Gold utensil is all kinds of devices in connection and combination of power system, to transmit the metal-ware of machinery, electrical load or certain protective action.Insulator string is mainly made up of multi-disc porcelain or glass insulator.Porcelain or glass insulator easily occur deteriorated or damaged, therefore need in time deteriorated or damaged insulator to be changed to processing, are replaced with in time good insulator by deteriorated or damaged insulator.
In prior art, lead screw assembly comprises leading screw screw rod and feed screw nut, on transmission overhead line, utilize lead screw assembly to change the work of insulator or gold utensil, in the time running into the situations such as icing, wind-force, unbalanced tensile force,, sometimes even there is exceeding the situation of lead screw assembly load scope in the larger variation of stressed appearance of insulator or gold utensil.Therefore, changing in the process of insulator or gold utensil, be prone to that lead screw assembly damages and the upkeep operation that causes cannot normally carry out, thus the potential safety hazard of existence.
Utility model content
The utility model object is to provide a kind of lead screw assembly, can improve the fail safe of upkeep operation.
The utility model provides a kind of lead screw assembly, comprises that lead screw assembly comprises leading screw screw rod and the feed screw nut being connected with leading screw screw flight, and lead screw assembly also comprises: pressure sensor, and pressure sensor is arranged on one end of the close feed screw nut of leading screw screw rod; Display unit, display unit is electrically connected with pressure sensor; Fixed part, leading screw screw rod is connected with pressure sensor by fixed part; Wherein, fixed part comprises the first installed part and the second installed part being connected with the first installed part, and leading screw screw rod is connected with the first installed part, and pressure sensor is connected with the second installed part.
Further, the first installed part is that cross sectional shape is U-shaped installation clip, the first supporting bracket that installation clip comprises parallel interval setting is with the second supporting bracket and the side plate being fixedly connected with the end of the second supporting bracket with the first supporting bracket respectively, the second installed part comprises the 3rd supporting bracket and the 4th supporting bracket that parallel interval arranges, and the 3rd supporting bracket is fixedly connected with side plate respectively with the 4th supporting bracket.
Further, the first installed part is that cross sectional shape is U-shaped U-shaped groove, and the second installed part is that cross sectional shape is the first flat board of rectangle, one end away from opening direction of U-shaped groove and the first dull and stereotyped connection.
Further, the first installed part and the second installed part are integrated setting, and fixed part comprises that cross sectional shape is the second flat board of rectangle.
Further, lead screw assembly also comprises action bars, and action bars is fixedly connected with feed screw nut.
According to lead screw assembly of the present utility model, owing to thering is leading screw screw rod and the feed screw nut being connected with leading screw screw flight, lead screw assembly also comprises pressure sensor and display unit, pressure sensor is arranged on one end away from nut of leading screw screw rod, display unit is electrically connected with pressure sensor, fixed part, leading screw screw rod is connected with pressure sensor by fixed part; Wherein, fixed part comprises the first installed part and the second installed part being connected with the first installed part, and leading screw screw rod is connected with the first installed part, and pressure sensor is connected with the second installed part.In the time that this lead screw assembly is applied to upkeep operation, stressing conditions that can Real-Time Monitoring lead screw assembly by pressure sensor, avoids lead screw assembly to exceed its load scope and damages, and therefore can improve the fail safe of upkeep operation.
Brief description of the drawings
The accompanying drawing that forms the application's a part is used to provide further understanding of the present utility model, and schematic description and description of the present utility model is used for explaining the utility model, does not form improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 is according to the structural representation of the lead screw assembly of the utility model embodiment;
Fig. 2 is according to the structural representation of the installing component of the utility model embodiment; And
Fig. 3 is according to the structural representation of the installing component of the utility model alternate embodiment one.
Reference numeral: 1, leading screw screw rod; 2, feed screw nut; 3, pressure sensor; 4, action bars; 5, fixed part; 51, the first installed part; 52, the second installed part; 6, display unit.
Embodiment
Describe below with reference to the accompanying drawings and in conjunction with the embodiments the utility model in detail.It should be noted that, in the situation that not conflicting, the feature in embodiment and embodiment in the application can combine mutually.
As shown in Figure 1, the feed screw nut 2 that the lead screw assembly of the utility model embodiment comprises leading screw screw rod 1 and is threaded with leading screw screw rod 1, lead screw assembly also comprises pressure sensor 3 and display unit 6.Pressure sensor 3 is arranged on one end of the close feed screw nut 2 of leading screw screw rod 1; Display unit 6 is electrically connected with pressure sensor 3.
By above-mentioned setting, utilize the stressing conditions that pressure sensor 3 can Real-Time Monitoring lead screw assembly, avoid lead screw assembly to exceed its load scope and damage, therefore can improve the fail safe of upkeep operation; Further, by display unit 6, the pressure value of pressure sensor 3 is shown, can understand more intuitively the stressed of lead screw assembly.
As shown in Figure 1, in the utility model embodiment, lead screw assembly also comprises fixed part 5, and leading screw screw rod 1 is connected with pressure sensor 3 by fixed part 5.
In the present embodiment, fixed part 5 comprises the first installed part 51 and the second installed part 52 being connected with the first installed part 51, and leading screw screw rod 1 is connected with the first installed part 51, and pressure sensor 3 is connected with the second installed part 52.
As shown in Figure 2, in the present embodiment, preferably, the first installed part 51 for cross sectional shape be U-shaped U-shaped groove, the first flat board that the second installed part 52 is rectangle for cross sectional shape, one end away from opening direction of U-shaped groove and the first dull and stereotyped connection.Wherein, for convenient processing, U-shaped groove and the first flat board are integrated machine-shaping.Certainly, in other embodiment that do not provide, can also U-shaped groove and the first flat board be set to Split type structure.
In alternate embodiment one of the present utility model, as shown in Figure 3, the first installed part 51 for cross sectional shape be U-shaped installation clip, the first supporting bracket that installation clip comprises parallel interval setting is with the second supporting bracket and the side plate being fixedly connected with the end of the second supporting bracket with the first supporting bracket respectively.The second installed part 52 comprises the 3rd supporting bracket and the 4th supporting bracket that parallel interval arranges, and the 3rd supporting bracket is fixedly connected with side plate respectively with the 4th supporting bracket.
In alternate embodiment two of the present utility model, for convenient processing and manufacture, the first installed part 51 and the second installed part 52 are formed in one, and fixed part 5 comprises that cross sectional shape is the second flat board of rectangle.The second flat board has the first through hole and the second through hole, one end away from feed screw nut 2 of leading screw screw rod 1 is fixedly connected with one end with the first through hole of the second flat board by the securing member such as bolt or pin, and pressure sensor 3 is fixedly connected with the other end with the second through hole of the second flat board.
In the present embodiment, fixed part 5 also comprises the first threaded connector and the second threaded connector.The first supporting bracket comprises the first perforation, and the second supporting bracket comprises the second perforation, and the first threaded connector is connected with the first perforation, the second perforation respectively.
The 3rd supporting bracket comprises the 3rd perforation, and the 4th supporting bracket comprises the 4th perforation, and the second threaded connector is connected with the 3rd perforation and the 4th perforation respectively.By above-mentioned setting, leading screw screw rod 1 is fixedly connected with the first installed part 51 by the first threaded connector, and pressure sensor 3 is fixedly connected with the second installed part 52 by the second threaded connector.
As shown in Figure 1, in the utility model embodiment, lead screw assembly also comprises action bars 4, and action bars 4 is fixedly connected with feed screw nut 2.Action bars 4 handled easily personnel operate, simple to operate, alleviates operating personnel's labour intensity.
When above-mentioned lead screw assembly work, rotation action bars 4 drives feed screw nut 2 to rotate, thereby drives leading screw screw rod 1 rotate and carry out horizontal rectilinear motion with respect to feed screw nut 2.
The specific operation process of the insulator string of replacing transmission line is as described below:
Need to change insulator time, according to the actual needs of transmission line, by one end of insulating bar be fixedly connected with for the horizontal hook that carries the wire on transmission line, the other end of insulating bar is fixedly connected with one end away from leading screw screw rod of pressure sensor 3, the one end with pressure sensor and the lifting device of lead screw assembly comprises that one end of cucurbit is connected, the other end of the lifting device for changing insulator is fixed on to shaft tower, connection gold utensil by lifting device is connected with shaft tower, and two draw-in grooves of horizontal hook are hooked to the wire on shaft tower; Then the action bars 4 of rotational lead screw assembly, make to move to the top of shaft tower by the insulating bar of threaded engagement with lead screw assembly, horizontal hook also moves to the top of shaft tower with insulating bar simultaneously, and then make horizontal hook hook wire, also make the insulator string between tower and conductor lax simultaneously; After insulator string is lax, can take off the insulator that needs replacing, change good insulator, the action bars 4 of last rotational lead screw assembly, makes to move to the bottom of shaft tower by the insulating bar of threaded engagement with lead screw assembly, and horizontal hook also moves to the bottom of shaft tower with insulating bar simultaneously, and then make horizontal hook unclamp wire, also make the insulator string between tower and conductor again stressed, return to original position, finally realized the object of changing insulator simultaneously.
As can be seen from the above description, embodiment of the present utility model has realized following technique effect: owing to having leading screw screw rod and the feed screw nut being connected with leading screw screw flight, lead screw assembly also comprises pressure sensor and display unit, pressure sensor is arranged on one end away from nut of leading screw screw rod, display unit is electrically connected with pressure sensor, in the time that this lead screw assembly is applied to upkeep operation, stressing conditions that can Real-Time Monitoring lead screw assembly by pressure sensor, avoid lead screw assembly to exceed its load scope and damage, therefore can improve the fail safe of upkeep operation.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any amendment of doing, be equal to replacement, improvement etc., within all should being included in protection range of the present utility model.
Claims (5)
1. a lead screw assembly, the feed screw nut (2) that described lead screw assembly comprises leading screw screw rod (1) and is threaded with described leading screw screw rod (1), is characterized in that, described lead screw assembly also comprises:
Pressure sensor (3), described pressure sensor (3) is arranged on one end of the close described feed screw nut (2) of described leading screw screw rod (1);
Display unit (6), described display unit (6) is electrically connected with described pressure sensor (3);
Fixed part (5), described leading screw screw rod (1) is connected with described pressure sensor (3) by described fixed part (5);
Wherein, described fixed part (5) comprises the first installed part (51) and the second installed part (52) being connected with described the first installed part (51), described leading screw screw rod (1) is connected with described the first installed part (51), and described pressure sensor (3) is connected with described the second installed part (52).
2. lead screw assembly according to claim 1, it is characterized in that, described the first installed part (51) for cross sectional shape be U-shaped installation clip, the first supporting bracket that described installation clip comprises parallel interval setting is with the second supporting bracket and the side plate being fixedly connected with the end of described the second supporting bracket with described the first supporting bracket respectively, described the second installed part (52) comprises the 3rd supporting bracket and the 4th supporting bracket that parallel interval arranges, and described the 3rd supporting bracket is fixedly connected with described side plate respectively with described the 4th supporting bracket.
3. lead screw assembly according to claim 1, it is characterized in that, described the first installed part (51) for cross sectional shape be U-shaped U-shaped groove, the first flat board that described the second installed part (52) is rectangle for cross sectional shape, one end away from opening direction of described U-shaped groove and the described first dull and stereotyped connection.
4. lead screw assembly according to claim 1, it is characterized in that, described the first installed part (51) and described the second installed part (52) are integrated setting, and described fixed part (5) comprises that cross sectional shape is the second flat board of rectangle.
5. according to the lead screw assembly described in any one in claim 1 to 4, it is characterized in that, described lead screw assembly also comprises action bars (4), and described action bars (4) is fixedly connected with described feed screw nut (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420401357.6U CN204012457U (en) | 2014-07-18 | 2014-07-18 | Lead screw assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420401357.6U CN204012457U (en) | 2014-07-18 | 2014-07-18 | Lead screw assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204012457U true CN204012457U (en) | 2014-12-10 |
Family
ID=52052400
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420401357.6U Expired - Fee Related CN204012457U (en) | 2014-07-18 | 2014-07-18 | Lead screw assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204012457U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107425466A (en) * | 2017-06-05 | 2017-12-01 | 国网辽宁省电力有限公司营口供电公司 | Wire lifts insulating support and its application method |
| CN110912020A (en) * | 2019-11-25 | 2020-03-24 | 云南电网有限责任公司红河供电局 | Method for carrying out maintenance operation of power transmission line by adopting digital force-bearing tool |
-
2014
- 2014-07-18 CN CN201420401357.6U patent/CN204012457U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107425466A (en) * | 2017-06-05 | 2017-12-01 | 国网辽宁省电力有限公司营口供电公司 | Wire lifts insulating support and its application method |
| CN110912020A (en) * | 2019-11-25 | 2020-03-24 | 云南电网有限责任公司红河供电局 | Method for carrying out maintenance operation of power transmission line by adopting digital force-bearing tool |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141210 Termination date: 20180718 |