CN215666345U

CN215666345U - Portable 42 cun closed fixed pulley

Info

Publication number: CN215666345U
Application number: CN202121797417.7U
Authority: CN
Inventors: 赵运忠
Original assignee: Bazhou Hongwei Machinery Co ltd
Current assignee: Bazhou Hongwei Machinery Co ltd
Priority date: 2021-08-03
Filing date: 2021-08-03
Publication date: 2022-01-28
Anticipated expiration: 2031-08-03

Abstract

The utility model discloses a portable 42-inch closed fixed pulley, wherein one end of the fixed pulley is connected with a left arm and a right arm, one end of an upper bracket and one end of the left arm and the right arm are clamped with a quick release pin, one end of the upper bracket and one end of the left arm and the right arm, which are far away from the quick release pin, are clamped with a big ear pin, the top end of the upper bracket is connected with an installation hanging ring, two ends of the fixed pulley are limited and supported by the left arm and the right arm, so that the normal use of the fixed pulley is ensured, the upper bracket is limited and quickly disassembled by the quick release pin, the connecting pin and the big ear pin, so that the upper bracket can be quickly opened when the upper bracket or the fixed pulley needs to be replaced, the hanging ring pin shaft, the installation hanging ring and a spring pin are mutually matched, thereby being convenient to be quickly combined with an external hanging part, and being convenient to quickly adapt to the external position by replacing different installation hanging rings, thereby being convenient for operators to operate, the labor intensity of workers is reduced.

Description

Portable 42 cun closed fixed pulley

Technical Field

The utility model relates to the technical field of electric power, in particular to a convenient 42-inch closed fixed pulley.

Background

The fixed pulley is a small wheel which is provided with a groove on the periphery and can rotate around a shaft. A simple machine, called a fixed pulley, consisting of a disc with grooves rotating around a central shaft and a flexible cable (rope, tape, cable, chain, etc.) crossing the disc, which can rotate around the central shaft, is generally used for assisting the paying-off by using a single fixed pulley when the machine is used for paying-off electricity at present.

But at present when restricting and guiding the electric wire, can't be quick carry on spacingly to the electric wire, and current limit structure is when spacing, opens comparatively loaded down with trivial details, has leaded to comparatively inconvenient when changing upper bracket or fixed pulley to influence staff's operation, and can't make the fixed pulley quick when carrying the fixed pulley and make up with hoist device.

SUMMERY OF THE UTILITY MODEL

The utility model provides a convenient 42-inch closed fixed pulley, which can effectively solve the problems that the electric wire cannot be quickly limited when being limited and guided, the existing limiting structure is complicated to open when being limited, the upper bracket or the fixed pulley is inconvenient to replace, the operation of workers is influenced, and the fixed pulley cannot be quickly combined with a hoisting device when being carried.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a 42 cun closed fixed pulleys of portable, includes the fixed pulley, arm about the fixed pulley both ends symmetric connection has, control the arm top and set up the joint fixed slot, joint fixed slot inboard joint has the upper bracket, the upper bracket has the quick-release round pin with controlling arm one end joint, the upper bracket has the connecting pin with controlling the one end joint that the arm kept away from the quick-release round pin, the upper bracket is close to connecting pin position department joint with controlling arm one end and has big ear pin, the upper bracket top is connected with installation rings through rings round pin axle joint, installation rings one end is inserted and is installed the spring catch, control arm one end and install the handle.

Preferably, the width of the upper bracket is equal to that of the clamping fixing groove, and the longitudinal section of the upper bracket is arc-shaped.

Preferably, big ear pin nail one end and the joint pin laminating, quick-release pin one end fixedly connected with installation rope.

Preferably, the fixed pulley one end is rotated and is cup jointed the bearing, the bearing inboard is rotated with the pulley spindle and is connected, pulley spindle both ends joint is installed in the A-frame inboard, the A-frame corresponds pulley spindle position department and installs the outside bolt, connecting bolt is installed to A-frame bottom symmetry.

Preferably, the outer diameter of the bearing is equal to the inner diameter of the fixed pulley, and the inner diameter of the bearing is equal to the outer diameter of the pulley shaft.

Preferably, the pulley shaft is provided with a connecting groove corresponding to the outer bolt, and the bearing is rotatably connected with the triangular bracket.

Compared with the prior art, the utility model has the beneficial effects that: the utility model has scientific and reasonable structure and safe and convenient use:

1. restriction support is advanced to the fixed pulley both ends through controlling the arm, the normal use of fixed pulley has been guaranteed, through quick-release round pin, connecting pin and big ear pin restrict the upper bracket and quick dismantlement, make can be quick when needing to change upper bracket or fixed pulley open, through rings round pin axle, installation rings and spring catch, mutually support, thereby be convenient for quick and outside hoist and mount spare make up, and through changing different installation rings, be convenient for quick adaptation outside position, thereby be convenient for the staff operates, staff's intensity of labour has been alleviateed.

2. Through connecting bolt to the fixed position of A-frame restriction, thereby the stability of supporting when the unwrapping wire has been guaranteed, drive bearing through the fixed pulley and rotate along the loose pulley axle, thereby it removes to drive the electric wire, thereby it carries out normal rotation to be convenient for quick drive fixed pulley through bearing and loose pulley axle mutually support, has guaranteed the stability of guide, restrict the loose pulley axle through the outside bolt, make the change that can be quick when needing to be changed the fixed pulley.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model.

In the drawings:

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic view of the mounting structure of the pulley of the present invention;

reference numbers in the figures: 1. a fixed pulley; 2. a left arm and a right arm; 3. an upper bracket; 4. a pulley shaft; 5. connecting pins; 6. a lifting ring pin shaft; 7. a handle; 8. installing a hanging ring; 9. a big ear pin; 10. a quick release pin; 11. an outer square bolt; 12. a connecting bolt; 13. a bearing; 14. a spring pin; 15. a triangular bracket; 16. and clamping the fixing groove.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.

Example (b): as shown in figures 1-2, the utility model provides a technical scheme, a portable 42-inch closed fixed pulley comprises a fixed pulley 1, wherein two ends of the fixed pulley 1 are symmetrically connected with a left arm 2 and a right arm 2, the top ends of the left arm 2 and the right arm 2 are provided with clamping fixed grooves 16, the width of an upper bracket 3 is equal to that of the clamping fixed grooves 16, the stability during clamping is ensured, and the shaking condition is avoided, the upper bracket 3 is clamped and connected on the inner side of the clamping fixed grooves 16, the longitudinal section of the upper bracket 3 is arc-shaped and is convenient to be in direct contact with a lead, the surface of the lead is prevented from being scratched, the quick release pins 10 are clamped and connected on the upper bracket 3 and one ends of the left arm 2 and the right arm 2, one end of the quick release pin 10 is fixedly connected with an installation rope, the quick release pin 10 is convenient to be protected when the quick release pin 10 is detached, the quick release pin 10 is prevented from being lost, the connecting pin 5 is clamped and connected on one ends of the upper bracket 3 and the left arm 2, which are close to the connecting pin 5, a big lug 9 is clamped and one end of the upper bracket 3 and one end of the left arm 2, the fixed stability of joint has been guaranteed in the laminating of big ear round pin nail 9 one end and connecting

5, and 3 tops of upper bracket are connected with installation rings 8 through 6 joints of rings round pin axle, and 8 one ends of installation rings are inserted and are installed spring catch 14, controls 2 one ends of arm and installs handle 7.

The bearing 13 is rotationally sleeved at one end of the fixed pulley 1, the outer diameter of the bearing 13 is equal to the inner diameter of the fixed pulley 1, the inner diameter of the bearing 13 is equal to the outer diameter of the pulley shaft 4, the stability when the fixed pulley 1 rotates is ensured, the position is prevented from deviating or swinging when the fixed pulley 1 rotates, the stability when the electric wire is pulled is ensured, the inner side of the bearing 13 is rotationally connected with the pulley shaft 4, the pulley shaft 4 corresponds to the position of the outer bolt 11 and is provided with a connecting groove, the rapid combined installation is convenient, the two ends of the pulley shaft 4 are clamped and installed at the inner side of the triangular support 15, the bearing 13 is rotationally connected with the triangular support 15, the clamping condition is prevented from occurring when the wire is pulled, the outer bolt 11 is installed at the position of the pulley shaft 4 corresponding to the triangular support 15, and the connecting bolt 12 is symmetrically installed at the bottom end of the triangular support 15.

The working principle and the using process of the utility model are as follows: when paying off is needed, the triangular support 15 is placed at the position where paying off is needed, the fixing position of the triangular support 15 is limited through the connecting bolt 12, so that the supporting stability during paying off is guaranteed, after fixing is completed, an electric wire is pulled, when the electric wire is pulled, the fixed pulley 1 drives the bearing 13 to rotate along the pulley shaft 4, the bearing 13 and the pulley shaft 4 are matched with each other, so that the fixed pulley 1 can be conveniently and quickly driven to normally rotate, and the guiding stability is guaranteed;

when the electric wire is pulled, the position of the electric wire is limited through the upper bracket 3 to avoid the situation that the position of the electric wire deviates when the electric wire is pulled, when the upper bracket 3 needs to be replaced, a worker pulls the quick-release pin 10 and pulls the connecting pin 5 and the big lug pin 9 simultaneously to separate the left arm 2 and the right arm 2 from the upper bracket 3 and take the upper bracket 3 out of the clamping fixed groove 16, so that the upper bracket 3 can be replaced quickly, the upper bracket 3 is prevented from being seriously worn due to long-term use, the upper bracket 3 is damaged and the use is influenced, after the use is finished, the external hoisting connecting piece is placed at the position of the installation hoisting ring 8, the spring pin 14 is pulled, the installation hoisting ring 8 and the external hoisting connecting piece can be combined quickly, the installation hoisting ring 8 is limited through the hoisting ring pin 6, so that the installation hoisting ring 8 can be replaced quickly when different hoisting connecting pieces are needed, the optimal connection effect is ensured, so that the hoisting stability is ensured, and the quick operation by workers is facilitated;

when needing to be changed fixed pulley 1, the staff rotates outside bolt 11, will control arm 2 and take out from A-frame 15 to make A-frame 15 with control the quick separation of arm 2, be convenient for quick take out between A-frame 15 that can be quick with pulley shaft 4 about with arm 2, thereby quick take out fixed pulley 1, be convenient for quick change fixed pulley 1, be convenient for simultaneously carry on spacingly to fixed pulley 1 in the use.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a 42 cun closed fixed pulleys of portable, includes fixed pulley (1), its characterized in that: arm (2) about fixed pulley (1) both ends symmetric connection has, about arm (2) top set up joint fixed slot (16), joint fixed slot (16) inboard joint has upper bracket (3), upper bracket (3) about with arm (2) one end joint have quick-release round pin (10), the one end joint that quick-release round pin (10) were kept away from in upper bracket (3) about with arm (2) has connecting pin (5), upper bracket (3) about with arm (2) one end be close to connecting pin (5) position department joint have big ear pin (9), upper bracket (3) top is connected with installation rings (8) through rings round pin axle (6) joint, installation rings (8) one end is inserted and is installed spring catch (14), about handle (7) are installed to arm (2) one end.

2. The portable 42-inch closed fixed pulley according to claim 1, wherein the width of the upper bracket (3) is equal to that of the clamping fixed groove (16), and the longitudinal section of the upper bracket (3) is arc-shaped.

3. The convenient 42-inch closed fixed pulley according to claim 1, wherein one end of the big lug pin (9) is attached to the connecting pin (5), and one end of the quick release pin (10) is fixedly connected with a mounting rope.

4. The convenient 42-inch closed fixed pulley according to claim 1, wherein a bearing (13) is rotatably sleeved at one end of the fixed pulley (1), the inner side of the bearing (13) is rotatably connected with the pulley shaft (4), the two ends of the pulley shaft (4) are clamped and installed at the inner side of the triangular bracket (15), an outer square bolt (11) is installed at the position, corresponding to the pulley shaft (4), of the triangular bracket (15), and a connecting bolt (12) is symmetrically installed at the bottom end of the triangular bracket (15).

5. A portable 42-inch closed fixed pulley according to claim 4, wherein the outer diameter of the bearing (13) is equal to the inner diameter of the fixed pulley (1), and the inner diameter of the bearing (13) is equal to the outer diameter of the pulley shaft (4).

6. The convenient 42-inch closed fixed pulley according to claim 4, wherein the pulley shaft (4) is provided with a connecting groove at a position corresponding to the outer bolt (11), and the bearing (13) is rotatably connected with the triangular bracket (15).