CN203225475U - Jacking device - Google Patents
Jacking device Download PDFInfo
- Publication number
- CN203225475U CN203225475U CN 201320148442 CN201320148442U CN203225475U CN 203225475 U CN203225475 U CN 203225475U CN 201320148442 CN201320148442 CN 201320148442 CN 201320148442 U CN201320148442 U CN 201320148442U CN 203225475 U CN203225475 U CN 203225475U
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- CN
- China
- Prior art keywords
- jacking
- trapezoidal screw
- jacking apparatus
- supporting part
- hook
- 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 - Lifetime
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Abstract
Disclosed is a jacking device used for jacking loads during the maintenance of an electric power line. The jacking device comprises a jacking bearing part used for bearing the loads. The jacking device is characterized in that the jacking device further comprises trapezoid screw rods vertically movably sleeved in the middle of the jacking bearing part of the jacking device; the lower part of the trapezoid screw rod is sequentially provided with a jacking head used for jacking the jacking bearing part, a thrust bearing, and a guiding nut screwed on the outer periphery of the trapezoid screw rod; and the included angle between a tooth-form surface of a tooth-form angle of each trapezoid screw rod and the horizontal plane is 20 to 25 degrees. According to the utility model, the jacking device is flexible in operation, high in efficiency, and convenient to carry and use; and the jacking device can be used for maintaining and jacking of multiple leads and fittings.
Description
Technical field
The utility model relates to transmission line maintenance construction field, and more specifically, the utility model relates to a kind of high-voltage transmission line towers repairing jacking apparatus.
Background technology
Need in the transmission line construction lead or accessory etc. are promoted certain height, for example, 800 kilovolts of high-tension line straight line pole six-multiple conductor first-aid repair construction need whole lifting, with original load transfer to six dogging of six-multiple conductor critical piece, make each load between lead and the cross-arm be in the state of not stressing, easy access etc. are carried out.
And do not promote the instrument of multiple conducting wires simultaneously in the past, and can only the single method that promotes respectively, the method efficient is low, and the height that multiple conducting wires promotes can not put in place simultaneously, makes troubles to construction.
The utility model content
For addressing the above problem, it is a kind of simple in structure that the utility model provides, low cost of manufacture, and easy to operate jacking apparatus can be increased work efficiency and construction quality in transmission line construction and maintenance.
The technical scheme that the utility model is taked is as follows:
A kind of jacking apparatus, the lifting of load comprises be used to the jacking supporting part of bearing load when being used for the power circuit maintenance, it is characterized in that,
Described jacking apparatus also comprises:
Can vertically move trapezoidal screw, trapezoidal screw bottom in the middle of the jacking supporting part that is set in described jacking apparatus and be sequentially set with for jacking head, the thrust bearing of the described jacking supporting part of jacking and be bolted in the guiding nut of trapezoidal screw periphery,
The tooth form face at the tooth form angle of described trapezoidal screw and horizontal plane angle are 20-25 °.
According to a kind of jacking apparatus described in the utility model, it is characterized in that two ends and two sides are formed for hanging the slotted eye of hook respectively about described jacking supporting part bottom, i.e. totally four slotted eyes that be used for to hang hook.
According to a kind of jacking apparatus described in the utility model, it is characterized in that, at described jacking supporting part top two ends a groove that is used for the hook lead is set respectively.
According to a kind of jacking apparatus described in the utility model, it is characterized in that the guiding nut that trapezoidal screw, the trapezoidal screw bottom in the middle of the described jacking supporting part is provided for jacking head, the thrust bearing of jacking dogging body and the trapezoidal screw periphery that is spirally connected in proper order arranges two groups.
According to a kind of jacking apparatus described in the utility model, it is characterized in that the tooth form face at the tooth form angle of described trapezoidal screw and horizontal plane angle are 25 °.
According to a kind of jacking apparatus described in the utility model, it is characterized in that the jacking working face of described jacking head is circular arc.
According to a kind of jacking apparatus described in the utility model, it is characterized in that the jacking working face of described jacking head is flat oval circular arc.
According to a kind of jacking apparatus described in the utility model, it is characterized in that, described guiding nut bottom excircle is provided with hook tooth, one ratchet spanner is arranged on the hook tooth cylindrical, ratchet on the ratchet spanner withstands the hook tooth on the guiding nut cylindrical, the ratchet top is by socket cap and spring compression, and use rotating ratchet spanner adjusting guiding nut up, direction is rotated down, can regulate the jacking apparatus height.
According to jacking apparatus of the present utility model, use the rotating ratchet spanner to regulate guiding nut toward upper and lower rotation direction, jacking apparatus can be transferred to minimumly, be used for bearing load.
Elder generation's rotating ratchet spanner transfers to jacking apparatus minimum during work, bears load, for example, and the hook lead.
Then, the ratchet on the ratchet spanner is transferred to up rotation direction of guiding nut, pull ratchet spanner by the spreading handle guiding nut is upwards rotated, rise load by thrust bearing, the jacking crown and rise.
Advantage of the present utility model is:
Jacking apparatus of the present utility model is when power line construction or maintenance, and is easy to carry, and flexible operation is easy to use, and the maintenance that can conveniently be used for the multiple conducting wires even load promotes.
Description of drawings
Fig. 1 is a kind of jacking apparatus structural representation of the utility model.
Among the figure, 1 is the jacking apparatus supporting part, and 2 is trapezoidal screw, and 3 are the jacking head, and 4 is thrust bearing, and 5 is guiding nut, and 6 is ratchet spanner, and 7 is ratchet, and 8 is the spreading handle.
Embodiment
Below in conjunction with the drawings and specific embodiments this practical a kind of jacking apparatus is described further.
Embodiment
As shown in Figure 1, a kind of jacking apparatus, comprise be used to the jacking supporting part of bearing load, comprise: can vertically move trapezoidal screw, trapezoidal screw bottom in the middle of the jacking supporting part that is set in described jacking apparatus and be sequentially set with for jacking head, the thrust bearing of the described jacking supporting part of jacking and be bolted in the guiding nut of trapezoidal screw periphery, the tooth form face at the tooth form angle of described trapezoidal screw and horizontal plane angle are 25 °.
According to present embodiment, two ends and two sides are formed for hanging the slotted eye of hook respectively about described jacking supporting part bottom, i.e. totally four slotted eyes that be used for to hang hook.At described jacking supporting part top two ends a groove that is used for the hook lead is set respectively.
According to present embodiment, the guiding nut that trapezoidal screw, the trapezoidal screw bottom in the middle of the described jacking supporting part is provided for jacking head, the thrust bearing of jacking dogging body and the trapezoidal screw periphery that is spirally connected in proper order arranges two groups.
In addition, the jacking working face of described jacking head is flat oval circular arc.
Described guiding nut bottom excircle is provided with hook tooth, one ratchet spanner is arranged on the hook tooth cylindrical, ratchet on the ratchet spanner withstands the hook tooth on the guiding nut cylindrical, the ratchet top is by socket cap and spring compression, use rotating ratchet spanner adjusting guiding nut up, direction is rotated down, can regulate the jacking apparatus height.
In addition, for improving the twisting moment of ratchet spanner, ratchet spanner is connected to an extension bar.
Elder generation's rotating ratchet spanner transfers to jacking apparatus minimum during work, bears load, for example, and the hook lead.
Then, the ratchet on the ratchet spanner is transferred to up rotation direction of guiding nut, pull ratchet spanner by the spreading handle guiding nut is upwards rotated, by thrust bearing, the jacking head is with jacking apparatus and hook and go up load and rise.
Jacking apparatus of the present utility model is when power line construction or maintenance, and is easy to carry, and flexible operation is easy to use, and the maintenance that can conveniently be used for multiple conducting wires and accessory promotes.
Claims (8)
1. jacking apparatus, the lifting of load comprises be used to the jacking supporting part of bearing load when being used for the power circuit maintenance, it is characterized in that,
Described jacking apparatus also comprises:
Can vertically move trapezoidal screw, trapezoidal screw bottom in the middle of the jacking supporting part that is set in described jacking apparatus and be sequentially set with for jacking head, the thrust bearing of the described jacking supporting part of jacking and be bolted in the guiding nut of trapezoidal screw periphery,
The tooth form face at the tooth form angle of described trapezoidal screw and horizontal plane angle are 20-25 °.
2. a kind of jacking apparatus as claimed in claim 1 is characterized in that, two ends and two sides are formed for hanging the slotted eye of hook respectively about described jacking supporting part bottom, i.e. totally four slotted eyes that be used for to hang hook.
3. a kind of jacking apparatus as claimed in claim 1 is characterized in that, at described jacking supporting part top two ends a groove that is used for the hook lead is set respectively.
4. a kind of jacking apparatus as claimed in claim 1, it is characterized in that the guiding nut that trapezoidal screw, the trapezoidal screw bottom in the middle of the described jacking supporting part is provided for jacking head, the thrust bearing of jacking dogging body and the trapezoidal screw periphery that is spirally connected in proper order arranges two groups.
5. a kind of jacking apparatus as claimed in claim 1 is characterized in that, the tooth form face at the tooth form angle of described trapezoidal screw and horizontal plane angle are 25 °.
6. a kind of jacking apparatus as claimed in claim 1 is characterized in that, the jacking working face of described jacking head is circular arc.
7. a kind of jacking apparatus as claimed in claim 6 is characterized in that, the jacking working face of described jacking head is flat oval circular arc.
8. a kind of jacking apparatus as claimed in claim 1, it is characterized in that, described guiding nut bottom excircle is provided with hook tooth, one ratchet spanner is arranged on the hook tooth cylindrical, ratchet on the ratchet spanner withstands the hook tooth on the guiding nut cylindrical, the ratchet top is by socket cap and spring compression, and use rotating ratchet spanner adjusting guiding nut up, direction is rotated down, can regulate the jacking apparatus height.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320148442 CN203225475U (en) | 2013-03-28 | 2013-03-28 | Jacking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320148442 CN203225475U (en) | 2013-03-28 | 2013-03-28 | Jacking device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203225475U true CN203225475U (en) | 2013-10-02 |
Family
ID=49252465
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320148442 Expired - Lifetime CN203225475U (en) | 2013-03-28 | 2013-03-28 | Jacking device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203225475U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104929556A (en) * | 2015-06-02 | 2015-09-23 | 中国石油天然气股份有限公司 | Downhole string lifting device |
-
2013
- 2013-03-28 CN CN 201320148442 patent/CN203225475U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104929556A (en) * | 2015-06-02 | 2015-09-23 | 中国石油天然气股份有限公司 | Downhole string lifting device |
| CN104929556B (en) * | 2015-06-02 | 2018-01-02 | 中国石油天然气股份有限公司 | Downhole tubular column lifting device |
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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 |
Granted publication date: 20131002 |
|
| CX01 | Expiry of patent term |