CN212968827U

CN212968827U - Pulley for erecting power transmission line

Info

Publication number: CN212968827U
Application number: CN202021866960.3U
Authority: CN
Inventors: 欧海波
Original assignee: Sichuan Ziyuan Construction Engineering Co ltd
Current assignee: Sichuan Ziyuan Construction Engineering Co ltd
Priority date: 2020-08-31
Filing date: 2020-08-31
Publication date: 2021-04-13
Anticipated expiration: 2030-08-31

Abstract

The utility model relates to a erect pulley that transmission line was used, it includes the supporting seat, be provided with two wheel bodies in the supporting seat, one side of supporting seat is provided with a plurality of connecting blocks, a plurality of spread grooves have been seted up to one side that deviates from the connecting block of supporting seat, adjacent two connecting block and spread groove sliding fit on one side that the supporting seat is close to each other, adjacent two the supporting seat is connected through the cooperation of connecting block with the spread groove, still be provided with the locking Assembly who is used for locking two supporting seats on the connecting block. This application has the effect of being convenient for erect many power transmission lines simultaneously.

Description

Pulley for erecting power transmission line

Technical Field

The application relates to the field of power grid construction equipment, in particular to a pulley for erecting a power transmission line.

Background

The pulley is a small wheel with a groove on the periphery and capable of rotating around a shaft. A simple machine called a pulley, which consists of a disc with a groove and a flexible cable (rope, adhesive tape, steel cable, chain, etc.) spanning the disc, which can rotate around a central shaft, is used to erect or dismantle transmission conductors, usually using a guide rope installed between two adjacent towers and a pulley suspended on the guide rope and controlled by a pull wire.

The current Chinese patent with the publication number of CN202651730U discloses a pulley for erecting a transmission line, and the key points of the technical scheme are as follows: the U-shaped frame comprises a U-shaped frame, an upper pivot and a lower pivot which are arranged in the U-shaped frame in parallel, rotating wheels are arranged on the upper pivot and the lower pivot, one end of the lower pivot is a hollow sleeve, a spring and a pin shaft are sequentially arranged in the sleeve from the center of the pivot to the end part, a positioning mechanism is arranged between the pin shaft and the sleeve, the pin shaft penetrates through the U-shaped frame and is fixed on the U-shaped frame through a pin, and a hanging ring capable of radially rotating is arranged at the top of the U-shaped frame.

In view of the above-mentioned related art, the inventor believes that there is a drawback that it is inconvenient to use when a plurality of power transmission lines need to be erected.

SUMMERY OF THE UTILITY MODEL

In order to erect a plurality of power transmission lines simultaneously, the application provides a pulley for erecting a power transmission line.

The application provides a pulley for erecting transmission line adopts following technical scheme:

the utility model provides a erect pulley that transmission line was used, includes the supporting seat, be provided with two wheel bodies in the supporting seat, one side of supporting seat is provided with a plurality of connecting blocks, a plurality of spread grooves have been seted up to one side that deviates from the connecting block of supporting seat, adjacent two connecting block and spread groove sliding fit on one side that the supporting seat is close to each other, adjacent two the supporting seat is connected through the cooperation of connecting block with the spread groove, still be provided with the locking Assembly who is used for locking two supporting seats on the connecting block.

Through adopting above-mentioned technical scheme, when using the pulley, can slide the connecting groove on another supporting seat with the connecting block on one of them supporting seat, link together two adjacent pulleys, then reuse locking Assembly with the tie point locking of two supporting seats, when erectting many power transmission lines, link together a plurality of pulleys through the connected mode more than, during the guide power transmission line, use a plurality of pulleys that link together only need once guide just, need not carry out the guide many times, have and reduce staff's amount of labour, be convenient for erect the advantage of many power transmission lines simultaneously.

Preferably, locking Assembly includes the check lock lever, the locking groove has been seted up on the connecting block, the length direction in locking groove is unanimous with the length direction of connecting block, the check lock lever is inserted and is established in the locking groove, the shape that the check lock lever is located locking inslot one end is conical, the through-hole has been seted up on the locking groove, be provided with the locating piece in the through-hole, the diapire of spread groove just is located the supporting seat and has seted up the constant head tank, the one end of locating piece extends the through-hole and with constant head tank clearance fit, the one end that the locating piece is close to the check lock lever is the inclined.

Through adopting the above technical scheme, after connecting two adjacent supporting seats, locking Assembly is used for locking connecting block and spread groove on two adjacent supporting seats, the check lock lever sets up on the connecting block, the one end of check lock lever is conical, the conical surface of check lock lever and the inclined plane butt of locating piece, move towards the check lock inslot behind the check lock lever, the conical region of check lock lever can promote the inclined plane of locating piece, make the locating piece remove towards the direction of spread groove, and with the constant head tank clearance fit of setting on the spread groove diapire, make the connecting block can not slide in the spread groove, thereby lock two adjacent supporting seats, locking structure is simple, and the effect that has convenient to use.

Preferably, the positioning block is provided with a tension spring, one end of the tension spring is connected with the positioning block, and the other end of the tension spring is connected with the side wall of the through hole.

Through adopting above-mentioned technical scheme, when the locating piece is being promoted by the check lock lever and is entering into the constant head tank, the extension spring that sets up between locating piece and through-hole obtains power, because the effect of check lock lever this moment, the locating piece can't shrink under the effort of extension spring, when the check lock lever no longer with the tip butt of locating piece, the extension spring can shrink to drive the locating piece and break away from the constant head tank, make the locating piece can break away from the constant head tank automatically, further reinforcing the convenience when using.

Preferably, the one end that the check lock lever is located the locking groove outside is provided with the gag lever post, spacing portion has been seted up to the one end that the connecting block is close to the gag lever post, gag lever post and spacing portion clearance fit.

Through adopting the above technical scheme, the gag lever post sets up the tip at the check lock lever, spacing portion is for setting up the cavity in the connecting block inside, the both sides of mounting groove just are located and offer the breach that supplies the gag lever post to get into spacing portion on the connecting block, insert the back with setting element jack-up in the locking groove at the check lock lever, the gag lever post has also got into spacing portion, rotate the check lock lever again, make the gag lever post no longer aim at the breach, make the lateral wall butt of gag lever post and cavity, accomplish the injecing to the check lock lever position, the simple structure of gag lever post and spacing portion, high durability and convenient use.

Preferably, the supporting seat includes the backup pad, the backup pad both ends are provided with first connecting plate and second connecting plate vertically, the articulated mounting panel that is provided with of one end that the backup pad was kept away from to first connecting plate, one of them the wheel body includes the axis of rotation, the mounting panel is worn out to the one end that is close to the mounting panel of axis of rotation and the tip is provided with the mounting.

Through adopting the above-mentioned technical scheme, one of them wheel body includes the axis of rotation, the wheel body can rotation in the axis of rotation, the axis of rotation provides supporting role for the wheel body, the axis of rotation is fixed this wheel body between second connecting plate and mounting panel, the mounting panel is articulated to be set up on first connecting plate, when needing to put the power transmission line on the pulley at the middle part of power transmission line, can pull down the one end of axis of rotation from the mounting panel, then rotate the mounting panel, make the supporting seat open, put into the pulley with the power transmission line from the position of mounting panel, then turn back the mounting panel again, use the mounting to fix the axis of rotation on the mounting panel, and is convenient to use, and can adapt to the.

Preferably, the mounting includes the fixed pin, the dead hole that supplies the fixed pin to pass is seted up to the one end that the axis of rotation is close to the mounting panel, the other end of axis of rotation is provided with the fixed block.

Through adopting above-mentioned technical scheme, wear out the mounting panel with the one end of axis of rotation after, insert the fixed pin from the epaxial dead hole of rotation, the fixed pin can use the split pin here, accomplishes the fixed to pivot one end, and the fixed block that the axis of rotation other end set up can prevent that the axis of rotation from passing from the second connecting plate, sets up mounting and fixed block and can fix the axis of rotation between second connecting plate and mounting panel.

Preferably, the connecting block is a dovetail block, and the connecting groove is a dovetail groove.

Through adopting above-mentioned technical scheme, set up connecting groove and connecting block into dovetail block and dovetail for connecting block and connecting groove only can slide on the length direction of connecting groove, and can not slide on the width direction of connecting groove, make the connection structure between two supporting seats more stable.

Preferably, the connecting block is a T-shaped block, and the connecting groove is a T-shaped groove.

Through adopting above-mentioned technical scheme, set up connecting groove and connecting block into T-shaped piece and T-shaped groove for connecting block and connecting groove only can slide on the length direction of connecting groove, and can not slide on the width direction of connecting groove, make the connection structure between two supporting seats more stable.

Preferably, the locking component comprises a limiting block, a placing groove is formed in the connecting block, the limiting block is inserted into the placing groove, a spring used for popping up the limiting block is arranged in the placing groove, a limiting groove for the limiting block to be inserted is formed in the side wall of the connecting groove, and the limiting block is in clearance fit with the limiting groove.

Through adopting above-mentioned technical scheme, the stopper is established on the connecting block, when the connecting block slides in the spread groove, during the staff pressed the stopper the standing groove with the hand, the spring was compressed this moment, the power that pops out has, when the stopper slides to the position of spread groove on the spread groove, the stopper is popped out by the spring, insert the spacing groove, the stopper can restrict the connecting block in the ascending slip of length direction of spread groove, and then prescribe a limit to the relative position of connecting block and spread groove, the completion is to the locking of stopper at the spacing inslot position.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the connecting blocks and the connecting grooves are respectively arranged on the two sides of the supporting seats, the connecting block on one supporting seat slides into the connecting groove on the other supporting seat, and two adjacent pulleys can be connected together, so that the power transmission device has the advantages of reducing the labor capacity of workers and facilitating simultaneous erection of a plurality of power transmission lines;

2. according to the supporting seat locking device, the positioning block is arranged on the connecting block, the positioning hole is formed in the connecting groove, and the positioning block is in clearance fit with the positioning groove, so that the connecting block cannot slide in the connecting groove to lock two adjacent supporting seats, the locking structure is simple, and the effect of convenience in use is achieved;

3. this application sets up the mounting panel through articulating on first connecting plate, behind the rotating installation board, the power transmission line can be followed the position of mounting panel and put into the pulley, has convenient to use, and can adapt to the advantage of a plurality of use scenes.

Drawings

FIG. 1 is a schematic structural diagram of embodiment 1 of the present application;

FIG. 2 is a schematic view showing a structure of a plurality of pulley connections according to embodiment 1 of the present application;

FIG. 3 is a schematic sectional view showing the structure of a connecting block and a locking assembly according to embodiment 1 of the present application;

FIG. 4 is a schematic cross-sectional view of a support base according to embodiment 1 of the present application;

FIG. 5 is a schematic structural diagram of embodiment 2 of the present application;

fig. 6 is a schematic cross-sectional view of a support seat in embodiment 3 of the present application.

Description of reference numerals: 1. a supporting seat; 11. a wheel body; 111. a rotating shaft; 1111. a fixing member; 1112. a fixing pin; 1113. a fixed block; 12. a support plate; 13. a first connecting plate; 131. mounting a plate; 14. a second connecting plate; 2. connecting blocks; 21. a locking groove; 211. a through hole; 212. positioning blocks; 2121. a tension spring; 22. a limiting part; 23. a dovetail block; 24. a T-shaped block; 25. a placement groove; 251. a spring; 3. connecting grooves; 31. positioning a groove; 32. a dovetail groove; 33. a T-shaped slot; 34. a limiting groove; 4. a locking assembly; 41. a locking lever; 411. a limiting rod; 42. and a limiting block.

Detailed Description

The present application is described in further detail below with reference to the attached drawings.

The embodiment of the application discloses a pulley for erecting a power transmission line.

Example one

Referring to fig. 1 and fig. 2, including supporting seat 1, be provided with two wheel bodies 11 in the supporting seat 1, one of them wheel body 11 is fixed to be set up on supporting seat 1, another wheel body 11 can be dismantled and set up on supporting seat 1, supporting seat 1 provides the supporting role for two wheel bodies 11, the center of the wheel body 11 that can dismantle the setting is axis of rotation 111, supporting seat 1 is all worn out at the both ends of axis of rotation 111, axis of rotation 111 provides the supporting role for wheel body 11 on supporting seat 1, the one end of axis of rotation 111 is provided with mounting 1111, mounting 1111 can fix axis of rotation 111 on supporting seat 1, prevent that this wheel body 11 from dro.

Referring to fig. 1 and 2, one side of each support seat 1 is provided with a plurality of connecting blocks 2, one side of each support seat 1, which is far away from the connecting blocks 2, is provided with a plurality of connecting grooves 3, the connecting blocks 2 on the side, which is close to each other, of the two adjacent support seats 1 are in sliding fit with the connecting grooves 3, when the connecting block 2 on one support seat 1 slides into the connecting groove 3 on the other support seat 1, the two adjacent support seats 1 are connected together, when a plurality of power transmission lines need to be erected simultaneously, the plurality of power transmission lines can be respectively placed into different pulleys, the plurality of power transmission lines can be erected only through once guiding, and the labor intensity of workers is reduced, and; still be provided with the locking Assembly 4 that is used for locking two supporting seats 1 on the connecting block 2, locking Assembly 4 can lock connecting block 2 and spread groove 3 that link together for connecting block 2 can not slide in spread groove 3, makes connection structure more stable.

Referring to fig. 3 and 4, the locking assembly 4 includes a locking rod 41, a locking groove 21 is formed in the connecting block 2, the locking rod 41 is inserted into the locking groove 21, the locking rod 41 can be taken out of the locking groove 21, the length direction of the locking groove 21 is the same as that of the connecting block 2, the locking rod 41 can be inserted into the locking groove 21 from the side surface of the connecting block 2, and one end of the locking rod 41, which is located in the locking groove 21, is conical; a through hole 211 is formed in the locking groove 21, the through hole 211 is arranged near the end of the locking groove 21, a positioning block 212 is arranged in the through hole 211, the positioning block 212 is used for positioning the connecting block 2 in the connecting groove 3, and the length direction of the positioning block 212 is perpendicular to the length direction of the connecting block 2; the diapire of connecting groove 3 just is located and has seted up constant head tank 31 on the supporting seat 1, and the one end of locating piece 212 extends through-hole 211 and with be located the constant head tank 31 clearance fit on the connecting groove 3 diapire, and when locating piece 212 was ejecting through-hole 211, the tip of locating piece 212 can stretch into in the constant head tank 31 for can not take place relative slip between connecting block 2 and the connecting groove 3.

Referring to fig. 3 and 4, a tension spring 2121 is disposed on the positioning block 212, one end of the tension spring 2121 is connected to the positioning block 212, the other end of the tension spring 2121 is connected to a side wall of the through hole 211, the tension spring 2121 is fixedly disposed between the positioning block 212 and the through hole 211, and can fix the positioning block 212 in the through hole 211, so that the positioning block 212 is not separated from the through hole 211, after the positioning block 212 is ejected out of the through hole 211, the tension spring 2121 can have retraction power, and after the acting force against the positioning block 212 disappears, the tension spring 2121 retracts, and can pull the positioning block 212 back into the through hole 211, thereby releasing the locking action of the locking assembly 4 on; one end of the positioning block 212 close to the locking rod 41 is an inclined surface and is abutted against the locking rod 41, when the locking rod 41 is inserted into the locking groove 21, the acting force of the conical part at the end of the locking rod 41 on the positioning block 212 is decomposed into an acting force in the direction of the locking groove 21 and an acting force in the direction of the through hole 211, and the acting force in the direction of the through hole 211 can push a part of the positioning block 212 out of the through hole 211, so that the positioning block 212 can extend into the positioning groove 31 on the bottom wall of the connecting groove 3; the one end that the check lock lever 41 is located the locking groove 21 outside is provided with gag lever post 411, spacing portion 22 has been seted up to connecting block 2 near the one end of gag lever post 411, spacing portion 22 is for seting up the cavity on connecting block 2, the cavity is ring shape, the maximum diameter of ring is greater than the diameter of gag lever post 411, the minimum diameter is less than the diameter of gag lever post 411, be provided with the breach that supplies stopper 42 to enter into in the cavity on the connecting block 2, gag lever post 411 gets into behind the breach, rotatory gag lever post 411, gag lever post 411 is fixed in spacing portion 22, it just can not take out gag lever post 411 from spacing portion 22 not to rotate gag lever post 411 breach position, thereby accomplish the injecing to check lock lever post 41, make check lock lever 41 be difficult for droing from locking groove 21.

Referring to fig. 1 and 5, the support stand 1 includes a support plate 12, a first connection plate 13 and a second connection plate 14 are vertically provided at both ends of the support plate 12, one wheel body 11 is rotatably arranged between a first connecting plate 13 and a second connecting plate 14, one end of the first connecting plate 13, which is far away from a supporting plate 12, is hinged with a mounting plate 131, the mounting plate 131 is hinged on the first connecting plate 13 and can rotate relative to the first connecting plate 13, when a pulley is required to be placed on a power transmission line in the middle of the power transmission line, one end of a rotating shaft 111 can be detached from the mounting plate 131, then, the mounting plate 131 is rotated so that the supporting base 1 is opened, the power line is put into the pulley from the position of the mounting plate 131, then, the installation plate 131 is rotated back, and the rotating shaft 111 is fixed on the installation plate 131 by using the fixing piece 1111, so that the device has the advantages of convenience in use and capability of adapting to a plurality of use scenes; fixing 1111 includes fixed pin 1112, and some dead holes are seted up to the one end that axis of rotation 111 is close to mounting panel 131, and fixed pin 1112 can pass the dead hole to accomplish the fixed to axis of rotation 111, the other end of axis of rotation 111 is provided with fixed block 1113, and axis of rotation 111 inserts from second connecting plate 14, extends mounting panel 131, and fixed block 1113 makes axis of rotation 111 can not pass second connecting plate 14 completely.

Referring to fig. 1 and 2, the coupling block 2 is a dovetail block 23, the coupling groove 3 is a dovetail groove 32, and the coupling block 2 and the coupling groove 3 are provided as the dovetail block 23 and the dovetail groove 32 so that the coupling block 2 can slide only in the length direction of the coupling groove 3.

Example two

Referring to fig. 5, the present embodiment is different from the first embodiment in that: the connecting block 2 in the second embodiment is a T-shaped block 24, the connecting groove 3 is a T-shaped groove 33, and the connecting block 2 and the connecting groove 3 are provided as the T-shaped block 24 and the T-shaped groove 33, so that the connecting block 2 can slide only in the length direction of the connecting groove 3.

Referring to fig. 5 and 6, the locking assembly 4 includes a limiting block 42, a placing groove 25 is formed in the connecting block 2, the limiting block 42 is inserted into the placing groove 25, after the locking connecting block 2 slides into the connecting groove 3, a spring 251 disposed in the placing groove 25 can enable the limiting block 42 to have a tendency of popping out all the time, a limiting groove 34 for the limiting block 42 to be inserted is formed in the side wall of the connecting groove 3, the limiting block 42 is in clearance fit with the limiting groove 34, and when the sliding connecting block 2 slides to a designated position in the connecting groove 3, the limiting block 42 can be popped into the limiting groove 34 by the spring 251; when the locking function of the locking assembly 4 needs to be released, the limiting block 42 is pressed, and the limiting block 42 can be retracted into the placing groove 25.

The implementation principle of the pulley for erecting the transmission line in the embodiment of the application is as follows: when the pulley is used for erecting the power transmission line, the fixing pin 1112 arranged at one end of the rotating shaft 111 is firstly taken down, then the mounting plate 131 is rotated, the power transmission line is placed between the two pulleys 11 from the position of the mounting plate 131, then the mounting plate 131 is rotated, the fixing pin 1112 is inserted back, another power transmission line is placed in the supporting seat 1 of another pulley through the steps, the connecting block 2 on one supporting seat 1 is slid into the connecting groove 3 on the other supporting seat 1, the locking rod 41 is inserted from the locking groove 21, the locking rod 41 can push a part of the positioning block 212 out of the through hole 211, and a part of the positioning block 212, which is positioned outside the through hole 211, is in clearance fit with the positioning groove 31, so that the connecting block 2 and the connecting groove 3 are locked, so that the connecting block 2 cannot slide in the length direction of the connecting groove.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a erect pulley that transmission line was used, includes supporting seat (1), be provided with two wheel bodies (11) in supporting seat (1), its characterized in that: one side of supporting seat (1) is provided with a plurality of connecting blocks (2), a plurality of spread grooves (3), adjacent two have been seted up to one side that deviates from connecting block (2) of supporting seat (1) one side that is close to each other connecting block (2) and spread groove (3) sliding fit, adjacent two supporting seat (1) is connected through the cooperation of connecting block (2) with spread groove (3), still be provided with locking Assembly (4) that are used for locking two supporting seats (1) on connecting block (2).

2. A sheave for erecting a power transmission line as defined in claim 1, wherein: locking Assembly (4) include check lock lever (41), locking groove (21) have been seted up on connecting block (2), the length direction of locking groove (21) is unanimous with the length direction of connecting block (2), check lock lever (41) are inserted and are established in locking groove (21), the shape that check lock lever (41) are located locking groove (21) one end is conical, through-hole (211) have been seted up on locking groove (21), be provided with locating piece (212) in through-hole (211), constant head tank (31) have been seted up on the diapire of spread groove (3) and being located supporting seat (1), the one end of locating piece (212) is extended through-hole (211) and with constant head tank (31) clearance fit, the one end that locating piece (212) are close to check lock lever (41) is the inclined plane and with check lock lever (41) butt.

3. A sheave for erecting a power transmission line as defined in claim 2, wherein: be provided with extension spring (2121) on locating piece (212), the one end and the locating piece (212) of extension spring (2121) are connected, the other end and the lateral wall of through-hole (211) of extension spring (2121) are connected.

4. A sheave for erecting a power transmission line as defined in claim 2, wherein: the locking lever (41) is located the outer one end of locking groove (21) and is provided with gag lever post (411), spacing portion (22) have been seted up to the one end that connecting block (2) are close to gag lever post (411), gag lever post (411) and spacing portion (22) clearance fit.

5. A sheave for erecting a power transmission line as defined in claim 1, wherein: supporting seat (1) includes backup pad (12), backup pad (12) both ends are provided with first connecting plate (13) and second connecting plate (14) vertically, the articulated mounting panel (131) that is provided with of one end that backup pad (12) were kept away from in first connecting plate (13), one of them wheel body (11) are including axis of rotation (111), mounting panel (131) and tip are worn out to the one end that is close to mounting panel (131) of axis of rotation (111) are provided with mounting (1111).

6. A sheave for erecting a power transmission line as defined in claim 5 wherein: mounting (1111) include fixed pin (1112), the dead eye that supplies fixed pin (1112) to pass is seted up to the one end that axis of rotation (111) is close to mounting panel (131), the other end of axis of rotation (111) is provided with fixed block (1113).

7. A sheave for erecting a power transmission line as defined in claim 1, wherein: the connecting block (2) is a dovetail block (23), and the connecting groove (3) is a dovetail groove (32).

8. A sheave for erecting a power transmission line as defined in claim 1, wherein: the connecting block (2) is a T-shaped block (24), and the connecting groove (3) is a T-shaped groove (33).

9. A sheave for erecting a power transmission line as defined in claim 8, wherein: locking Assembly (4) include stopper (42), standing groove (25) have been seted up on connecting block (2), stopper (42) are inserted and are established in standing groove (25), be provided with spring (251) that are used for popping out stopper (42) in standing groove (25), set up on the lateral wall of spread groove (3) and supply stopper (42) to insert spacing groove (34) of establishing, stopper (42) and spacing groove (34) clearance fit.