CN217577872U - Pulley type telescopic frame for retracting and releasing underground cable - Google Patents
Pulley type telescopic frame for retracting and releasing underground cable Download PDFInfo
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- CN217577872U CN217577872U CN202221590177.8U CN202221590177U CN217577872U CN 217577872 U CN217577872 U CN 217577872U CN 202221590177 U CN202221590177 U CN 202221590177U CN 217577872 U CN217577872 U CN 217577872U
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Abstract
The utility model belongs to the technical field of electric power system. The pulley type expansion bracket for retracting and releasing the underground cable is characterized by comprising a main bracket and an auxiliary bracket; the main bracket comprises a left main rod, a right main rod and a front nylon pulley, a plurality of insertion holes are formed in the left main rod and the right main rod in the front-back direction, and the front nylon pulley is located at the front end between the left main rod and the right main rod; the auxiliary support comprises a rear nylon pulley, a left auxiliary rod and a right auxiliary rod, a plurality of insertion holes are formed in the left auxiliary rod and the right auxiliary rod in the front-back direction, the rear end between the left auxiliary rod and the right auxiliary rod is provided with the rear nylon pulley, the front portion of the left auxiliary rod and the rear portion of the left main rod are connected together after penetrating through the insertion holes in the left main rod and the left auxiliary rod through bolts, and the front portion of the right auxiliary rod and the rear portion of the right main rod are connected together after penetrating through the insertion holes in the right main rod and the right auxiliary rod through bolts. When the pulley type telescopic frame is used for retracting and releasing the underground cable, the stability is good and the use is convenient.
Description
Technical Field
The utility model belongs to the technical field of electric power system, concretely relates to pulley type expansion bracket for cable receive and releases in pit.
Background
The cable receive and releases the in-process at traditional high low pressure in the pit and use single pulley to fix in well head corner, can turn over the pulley area when major diameter cable passes through the pulley, needs the staff to revise and fixes again, brings the degree of difficulty for constructor, delays the construction progress simultaneously.
Disclosure of Invention
An object of the utility model is to provide a pulley type expansion bracket for cable receive and releases in pit, this pulley type expansion bracket when receiving and releasing cable in pit, stability is good, convenient to use.
In order to achieve the purpose, the utility model adopts the technical proposal that: the pulley type telescopic frame for retracting and releasing the underground cable is characterized by comprising a main bracket and an auxiliary bracket; the main support comprises a left main rod, a right main rod and a front nylon pulley, the left main rod is positioned on the left side of the right main rod, a plurality of insertion holes are formed in the left main rod and the right main rod in the front-back direction, the front nylon pulley is positioned at the front end part between the left main rod and the right main rod, the left end of the shaft of the front nylon pulley is fixedly connected with the right side surface of the left main rod, the right end of the shaft of the front nylon pulley is fixedly connected with the left side surface of the right main rod, and a connecting rod is fixedly connected between the right side surface of the rear part of the left main rod and the left side surface of the rear part of the right main rod;
the auxiliary support comprises a rear nylon pulley, a left auxiliary rod and a right auxiliary rod, a plurality of insertion holes are formed in the left auxiliary rod and the right auxiliary rod in the front-back direction, the left auxiliary rod is located on the left side of the right auxiliary rod, the rear end portion between the left auxiliary rod and the right auxiliary rod is provided with the rear nylon pulley, the left end of a shaft of the rear nylon pulley is fixedly connected with the right side face of the left auxiliary rod, and the right end of the shaft of the rear nylon pulley is fixedly connected with the left side face of the right auxiliary rod; the distance between the right side face of the left auxiliary rod and the left side face of the right auxiliary rod is larger than the distance between the left side face of the left main rod and the right side face of the right main rod by 0-20mm, the front right side face of the left auxiliary rod is positioned on the rear left side face of the left main rod, the front portion of the left auxiliary rod and the rear portion of the left main rod penetrate through the left main rod through a bolt and are connected together after a jack on the left auxiliary rod is inserted, the front left side face of the right auxiliary rod is positioned on the rear right side face of the right main rod, and the front portion of the right auxiliary rod and the rear portion of the right main rod penetrate through the right main rod through a bolt and are connected together after a jack on the right auxiliary rod is inserted.
The beneficial effects of the utility model reside in that: 1. 2 pulleys are respectively fixed on the main bracket and the auxiliary bracket, so that the pulleys cannot turn laterally, and the underground cable winding and unwinding device is good in stability and convenient to use; the underground cable is not damaged, and the underground cable is ensured to be rapidly wound and unwound; shorten the cable winding and unwinding time in the pit, reduce constructor working strength. 2. The telescopic frame is adopted, so that the telescopic frame is suitable for cable wells with different depths, and the installation and the removal of various underground cables are facilitated.
Drawings
Fig. 1 is the utility model discloses a pulley type expansion bracket's for cable receive and releases in pit structural schematic.
Fig. 2 is a schematic structural view of the main support of the present invention.
Fig. 3 is a schematic structural view of the auxiliary stand of the present invention.
Fig. 4 is a schematic view of the pulley type telescopic frame of the present invention in use.
In the figure: 1-electric winching, 2-cable, 3-front nylon pulley, 4-main bracket, 5-cable wellhead, 6-auxiliary bracket, 7-rear nylon pulley, 8-underground cable channel, 9-jack, 10-left main rod, 11-connecting rod, 12-right main rod, 13-left auxiliary rod, 14-right auxiliary rod and 15-bolt.
Detailed Description
Preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
As shown in fig. 1-4, the pulley type telescopic bracket for retracting and releasing the underground cable comprises a main bracket 4 and an auxiliary bracket 6; the main support 4 includes a left main rod 10, a right main rod 12, and a front nylon pulley 3, the left main rod 10 is located on the left side of the right main rod 12 (the left main rod 10 and the right main rod 12 may be both tubular), the left main rod 10 and the right main rod 12 are both provided with a plurality of insertion holes 9 (the insertion holes 9 are arranged at intervals, the insertion holes 9 are 2-40), the front nylon pulley 3 is located at the front end portion between the left main rod 10 and the right main rod 12 (for convenience of description, the left side in fig. 1 is front, and the right side is rear), the left end of the shaft of the front nylon pulley 3 is fixedly (e.g. welded) connected with the right side of the left main rod 10, the right end of the shaft of the front nylon pulley 3 is fixedly (e.g. welded) connected with the left side of the right main rod 12 { the front nylon pulley 3 is rotatable, the front nylon pulley (i.e. pulley) 3 is prior art }, the rear right side of the left main rod 10 is fixedly (e. welded) connected with the rear left side of the right main rod 12 by the front nylon pulley 3 and the connecting rod 11);
the auxiliary support 6 comprises a rear nylon pulley 7, a left auxiliary rod 13 and a right auxiliary rod 14, wherein a plurality of insertion holes 9 (the insertion holes 9 are arranged at intervals, and the number of the insertion holes 9 is 2-40) are formed in the front direction and the rear direction on the left auxiliary rod 13 and the right auxiliary rod 14, the left auxiliary rod 13 is positioned on the left side of the right auxiliary rod 14 (the left auxiliary rod 13 and the right auxiliary rod 14 can also be tubular), the rear end part between the left auxiliary rod 13 and the right auxiliary rod 14 is provided with the rear nylon pulley 7, the left end of the shaft of the rear nylon pulley 7 is fixedly (for example, welded) connected with the right side surface of the left auxiliary rod 13, the right end of the shaft of the rear nylon pulley 7 is fixedly (for example, welded) connected with the left side surface of the right auxiliary rod 14 (the rear nylon pulley 7 can rotate, and the rear nylon pulley 7 is the prior art); the distance between the right side surface of the left auxiliary rod 13 and the left side surface of the right auxiliary rod 14 is 0-20mm larger than the distance between the left side surface of the left main rod 10 and the right side surface of the right main rod 12 (namely, the left auxiliary rod 13 and the right auxiliary rod 14 can be positioned at the outer side of the main bracket 4), the front right side surface of the left auxiliary rod 13 is positioned at the rear left side surface of the left main rod 10 (the front part of the left auxiliary rod 13 can move outside the rear part of the left main rod 10, namely, the length of the pulley type expansion bracket can be adjusted, after the length is adjusted, the bolt 15 is connected through the jack 9), the front part of the left auxiliary rod 13 and the rear part of the left main rod 10 are connected together after the bolt (or the inserted rod and the bolt) 15 penetrates through the jacks 9 on the left main rod 10 and the left auxiliary rod 13 (the bolt is composed of a screw rod and a nut, the screw rod inserts earlier, the nut of screwing on again), the anterior left surface of right auxiliary rod 14 is located the rear portion right flank of right mobile jib 12 (the front portion of right auxiliary rod 14 can move outside the rear portion of right mobile jib 12, can adjust the length of pulley type expansion bracket, after adjusting good length, rethread jack 9 connecting bolt 15), the anterior of right auxiliary rod 14 and the rear portion of right mobile jib 12 are passed right mobile jib 12 by bolt (or inserted bar, bolt) 15, jack 9 on the right auxiliary rod 14 links together (the bolt comprises screw rod and nut, the screw rod inserts earlier, the nut of screwing on again).
The device is applied to an underground cable winding and unwinding device and comprises an electric winching machine (or called electric winching machine and winching machine in the prior art) 1 and a pulley type expansion bracket; when in use, the electric winching 1 is placed on the front side (on the ground) of the pulley type expansion bracket.
Use of: 1. the length of the pulley type telescopic frame is adjusted according to the depth of the cable well (firstly, the bolt 15 is taken down and adjusted through the extension and contraction of the auxiliary support 6, and then the bolt 15 is inserted), and the pulley type telescopic frame is obliquely inserted into the cable well head 5. 2. Cable collection: and (3) leading the cable 2 in the underground cable channel 8 to pass through the lower end of the rear nylon pulley 7 to the upper end of the front nylon pulley 3 and then to go out of the well to the electric winching 1, starting the electric winching 1, and taking out the cable from the underground cable channel 8. 3. Cable discharging: the upper end of the front nylon pulley 3 of the cable on the ground enters a cable wellhead 5 and enters an underground cable channel 8 after passing through the lower end of the rear nylon pulley 7.
Claims (1)
1. The pulley type expansion bracket for retracting and releasing the underground cable is characterized by comprising a main bracket and an auxiliary bracket; the main support comprises a left main rod, a right main rod and a front nylon pulley, the left main rod is positioned on the left side of the right main rod, a plurality of jacks are formed in the left main rod and the right main rod in the front-back direction, the front nylon pulley is positioned at the front end part between the left main rod and the right main rod, the left end of a shaft of the front nylon pulley is fixedly connected with the right side surface of the left main rod, the right end of the shaft of the front nylon pulley is fixedly connected with the left side surface of the right main rod, and a connecting rod is fixedly connected between the right side surface of the rear part of the left main rod and the left side surface of the rear part of the right main rod;
the auxiliary support comprises a rear nylon pulley, a left auxiliary rod and a right auxiliary rod, a plurality of insertion holes are formed in the left auxiliary rod and the right auxiliary rod in the front-back direction, the left auxiliary rod is located on the left side of the right auxiliary rod, the rear end portion between the left auxiliary rod and the right auxiliary rod is provided with the rear nylon pulley, the left end of a shaft of the rear nylon pulley is fixedly connected with the right side face of the left auxiliary rod, and the right end of the shaft of the rear nylon pulley is fixedly connected with the left side face of the right auxiliary rod; the distance between the right side face of the left auxiliary rod and the left side face of the right auxiliary rod is larger than the distance between the left side face of the left main rod and the right side face of the right main rod by 0-20mm, the front right side face of the left auxiliary rod is positioned on the rear left side face of the left main rod, the front portion of the left auxiliary rod and the rear portion of the left main rod penetrate through the left main rod through a bolt and are connected together after a jack on the left auxiliary rod is inserted, the front left side face of the right auxiliary rod is positioned on the rear right side face of the right main rod, and the front portion of the right auxiliary rod and the rear portion of the right main rod penetrate through the right main rod through a bolt and are connected together after a jack on the right auxiliary rod is inserted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221590177.8U CN217577872U (en) | 2022-06-22 | 2022-06-22 | Pulley type telescopic frame for retracting and releasing underground cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221590177.8U CN217577872U (en) | 2022-06-22 | 2022-06-22 | Pulley type telescopic frame for retracting and releasing underground cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217577872U true CN217577872U (en) | 2022-10-14 |
Family
ID=83532082
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221590177.8U Active CN217577872U (en) | 2022-06-22 | 2022-06-22 | Pulley type telescopic frame for retracting and releasing underground cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217577872U (en) |
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2022
- 2022-06-22 CN CN202221590177.8U patent/CN217577872U/en active Active
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