CN214653249U

CN214653249U - Pulley device for elevator

Info

Publication number: CN214653249U
Application number: CN202120792277.8U
Authority: CN
Inventors: 马剑清; 马琪
Original assignee: SUZHOU NIUKANGTE HYDRAULIC LIFTING MACHINERY CO LTD
Current assignee: SUZHOU NIUKANGTE HYDRAULIC LIFTING MACHINERY CO LTD
Priority date: 2021-04-19
Filing date: 2021-04-19
Publication date: 2021-11-09
Anticipated expiration: 2031-04-19

Abstract

The utility model discloses a pulley gear for lift, including support, rack, pulley body, arrestment mechanism and support frame, the internally mounted of support has the rack, and the inner wall and the support fixed connection of rack to be equipped with the swing arm on the outer wall of rack, the inside of swing arm is equipped with the pulley body, and the pulley body is connected with the swing arm through the bearing to the auxiliary frame is installed to the support bottom of swing arm below, the outer wall and the support fixed connection of auxiliary frame, and the top of auxiliary frame is equipped with the spring to the bottom and the auxiliary frame fixed connection of spring, the top and the swing arm fixed connection of spring, install the switching frame on the support outer wall of rack one side, and the inner wall and the support fixed connection of switching frame. The utility model discloses not only realized the reliable stable operation of the pulley gear of lift, increased pulley gear's practicality, made things convenient for the dismantlement maintenance in the pulley gear later stage of lift moreover.

Description

Pulley device for elevator

Technical Field

The utility model relates to a pulley gear technical field specifically is a pulley gear for lift.

Background

The elevator and the lifting operation platform are multifunctional lifting mechanical equipment which can be divided into a fixed type, a movable type, a guide rail type, a crank arm type, a scissor fork type, a chain type, a loading and unloading platform and the like, the functions of the elevator are different according to different names, the using ways are different, the pulley device is widely applied to the elevator, the elevator can directly ascend to a certain height and is convenient for high-altitude operation personnel to operate, the elevator has personal safety in high-altitude operation, the traditional operation personnel are distinguished from tying ropes, no safety guarantee exists when the elevator swings in high altitude, and the existing pulley device for the elevator is still insufficient to be improved when the existing pulley device for the elevator is used.

The pulley device on the market is various and can basically meet the use requirements of people, but certain problems still exist, and the specific problems include the following points:

(1) the existing pulley device is generally inconvenient to reliably and stably run when in use, so that the convenience degree of the pulley device in use is seriously influenced;

(2) the existing pulley device is generally inconvenient to install conveniently when in use, so that the reliability of the pulley device in use is greatly influenced;

(3) the existing pulley device is generally inconvenient to brake reliably when in use, thereby bringing great trouble to people.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a pulley gear for lift to provide the reliable stable operation of being not convenient for of pulley gear in solving above-mentioned background art, convenient installation, the problem of reliable braking.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a pulley gear for lift, includes support, rack, pulley body, arrestment mechanism and support frame, the internally mounted of support has the rack, and the inner wall and the support fixed connection of rack to be equipped with the swing arm on the outer wall of rack, the inside of swing arm is equipped with the pulley body, and the pulley body is connected with the swing arm through the bearing to the auxiliary frame is installed to the support bottom of swing arm below, the outer wall and the support fixed connection of auxiliary frame, and the top of auxiliary frame is equipped with the spring to the bottom and the auxiliary frame fixed connection of spring, the top and the swing arm fixed connection of spring, install the switching frame on the support outer wall of rack one side, and the inner wall and the support fixed connection of switching frame.

Preferably, the outer wall of the switching frame is provided with an arc-shaped sleeve, the outer wall of the arc-shaped sleeve is provided with an arc-shaped buckle, and one end of the arc-shaped buckle close to the arc-shaped sleeve is provided with a hinge pin.

Preferably, the inside of arc knot is equipped with the through-hole, and the arc of through-hole one side overlaps inside and is equipped with the bolt frame to the inside of bolt frame is equipped with T type bolt, the one end cover that T type bolt is close to the through-hole is equipped with the nut, has realized the convenient installation of the pulley gear of lift.

Preferably, the outer wall of the placing frame is provided with a supporting frame, and the outer wall of the supporting frame is provided with a braking mechanism.

Preferably, the inside of arrestment mechanism has set gradually screw thread seat, handle, lead screw and brake block, be fixed with the screw thread seat on the outer wall of support frame, and the inside of screw thread seat is equipped with the lead screw to the one end of lead screw is fixed with the handle.

Preferably, the brake block is installed at one end, far away from the handle, of the screw rod, and the outer wall of the brake block is fixedly connected with the screw rod, so that reliable braking of the pulley device of the elevator is realized.

Compared with the prior art, the beneficial effects of the utility model are that: the pulley device not only realizes the reliable and stable operation of the pulley device of the elevator, increases the practicability of the pulley device, but also facilitates the later disassembly and maintenance of the pulley device of the elevator;

(1) the placing frame is fixed with the support, the swing arm is mounted with the placing frame, the pulley body is mounted inside the swing arm, the pulley body supports an external cable, the auxiliary frame is fixed with the support, and the spring elastically supports the swing arm, so that the pulley body is elastically supported, the pulley body stably runs, the pulley device of the elevator reliably and stably runs, and the stability of the pulley device during working is improved;

(2) the support and the switching frame are fixed together, the arc-shaped buckle is sleeved on the mounting column, the arc-shaped buckle and the arc-shaped sleeve are supported by the hinge pin, one end of the T-shaped bolt is clamped into the bolt frame, the other end of the T-shaped bolt is inserted into the through hole, the nut is rotated to fix the T-shaped bolt, so that the arc-shaped buckle and the arc-shaped sleeve are fixed, and then the switching frame is stably connected and fixed with the outside, so that the convenient installation of the pulley device of the elevator is realized, and the later-stage disassembly and maintenance of the pulley device of the elevator are facilitated;

(3) through the rotating handle, under the support of support frame, the handle drive lead screw rotates, and under the cooperation of lead screw and screw thread seat, the lead screw drive brake block removes to brake the pulley body by the brake block, realized the reliable braking of the pulley gear of lift, increased pulley gear's practicality.

Drawings

Fig. 1 is a schematic front view of a cross-sectional structure of the present invention;

fig. 2 is a schematic top view of the cross-sectional structure of the present invention;

FIG. 3 is a schematic view of a cross-sectional enlarged structure of the braking mechanism of the present invention;

fig. 4 is a schematic view of a rear view cross-sectional structure of the present invention.

In the figure: 1. a support; 2. placing a rack; 3. a pulley body; 4. swinging arms; 5. a spring; 6. an auxiliary frame; 7. a transfer rack; 8. an arc-shaped sleeve; 9. a hinge pin; 10. an arc-shaped buckle; 11. a nut; 12. a T-bolt; 13. a bolt frame; 14. a through hole; 15. a brake mechanism; 1501. a threaded seat; 1502. a handle; 1503. a screw rod; 1504. a brake pad; 16. a support frame.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides an embodiment: a pulley device for a lift comprises a support 1, a placing frame 2, pulley bodies 3, a braking mechanism 15 and a support frame 16, wherein the placing frame 2 is installed inside the support 1, the inner wall of the placing frame 2 is fixedly connected with the support 1, a swing arm 4 is arranged on the outer wall of the placing frame 2, the pulley bodies 3 are arranged inside the swing arm 4, the pulley bodies 3 are connected with the swing arm 4 through bearings, an auxiliary frame 6 is installed at the bottom end of the support 1 below the swing arm 4, the outer wall of the auxiliary frame 6 is fixedly connected with the support 1, a spring 5 is arranged at the top end of the auxiliary frame 6, the bottom end of the spring 5 is fixedly connected with the auxiliary frame 6, the top end of the spring 5 is fixedly connected with the swing arm 4, a switching frame 7 is installed on the outer wall of the support 1 on one side of the placing frame 2, and the inner wall of the switching frame 7 is fixedly connected with the support 1;

when the pulley device is used, the placing frame 2 and the support 1 are fixed together, the swing arm 4 and the placing frame 2 are installed together, the pulley body 3 is installed inside the swing arm 4, the pulley body 3 supports an external cable, the auxiliary frame 6 and the support 1 are fixed together, the spring 5 elastically supports the swing arm 4, and therefore the pulley body 3 is elastically supported, the pulley body 3 can stably operate, the pulley device of the elevator can reliably and stably operate, and the stability of the pulley device during operation is improved;

an arc-shaped sleeve 8 is mounted on the outer wall of the switching frame 7, an arc-shaped buckle 10 is arranged on the outer wall of the arc-shaped sleeve 8, a hinge pin 9 is arranged at one end, close to the arc-shaped sleeve 8, of the arc-shaped buckle 10, a through hole 14 is formed in the arc-shaped buckle 10, a bolt frame 13 is arranged in the arc-shaped sleeve 8 on one side of the through hole 14, a T-shaped bolt 12 is arranged in the bolt frame 13, and a nut 11 is sleeved at one end, close to the through hole 14, of the T-shaped bolt 12;

when the elevator pulley device is used, the support 1 and the switching frame 7 are fixed together, the arc-shaped buckle 10 is sleeved on the mounting column, the hinge pin 9 supports the arc-shaped buckle 10 and the arc-shaped sleeve 8, one end of the T-shaped bolt 12 is clamped into the bolt frame 13, the other end of the T-shaped bolt 12 is inserted into the through hole 14, the nut 11 is rotated, the T-shaped bolt 12 is fixed by the nut 11, so that the arc-shaped buckle 10 and the arc-shaped sleeve 8 are fixed, the switching frame 7 is stably connected and fixed with the outside, the convenient installation of the elevator pulley device is realized, and the later-stage disassembly and maintenance of the elevator pulley device are facilitated;

a support frame 16 is installed on the outer wall of the placing frame 2, a brake mechanism 15 is arranged on the outer wall of the support frame 16, a threaded seat 1501, a handle 1502, a screw rod 1503 and a brake block 1504 are sequentially arranged inside the brake mechanism 15, the threaded seat 1501 is fixed on the outer wall of the support frame 16, the screw rod 1503 is arranged inside the threaded seat 1501, the handle 1502 is fixed at one end of the screw rod 1503, the brake block 1504 is installed at one end, away from the handle 1502, of the screw rod 1503, and the outer wall of the brake block 1504 is fixedly connected with the screw rod 1503;

when the pulley device is used, the handle 1502 is rotated, the handle 1502 drives the screw rod 1503 to rotate under the support of the support frame 16, the screw rod 1503 drives the brake block 1504 to move under the matching of the screw rod 1503 and the thread seat 1501, and therefore the brake block 1504 brakes the pulley body 3, the reliable braking of the pulley device of the elevator is realized, and the practicability of the pulley device is improved.

The working principle is as follows: when in use, the external power supply is firstly fixed with the rack 2 and the bracket 1, the swing arm 4 is installed with the rack 2, the pulley body 3 is installed inside the swing arm 4, the pulley body 3 supports an external cable, the auxiliary frame 6 is fixed with the bracket 1, the spring 5 elastically supports the swing arm 4, so as to elastically support the pulley body 3, so that the pulley body 3 stably runs, the pulley device of the elevator reliably and stably runs, the stability of the pulley device in working is increased, then the bracket 1 is fixed with the switching frame 7, the arc buckle 10 is sleeved on the mounting column, the hinge pin 9 supports the arc buckle 10 and the arc sleeve 8, one end of the T-shaped bolt 12 is clamped into the bolt frame 13, the other end of the T-shaped bolt 12 is inserted into the through hole 14, the nut 11 is rotated, the nut 11 fixes the T-shaped bolt 12, thereby buckle 10 with the arc and fix with arc cover 8, again with switching frame 7 fixed with the stable connection in outside, realize the convenient installation of the pulley gear of lift, make things convenient for the dismantlement maintenance in the pulley gear later stage of lift, rethread twist grip 1502, under the support of support frame 16, handle 1502 drives lead screw 1503 and rotates, under the cooperation of lead screw 1503 and screw seat 1501, lead screw 1503 drives brake block 1504 and removes, thereby brake block 1504 brakes pulley body 3, realize the reliable braking of the pulley gear of lift, increase the practicality of pulley gear, accomplish the use work of pulley gear.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a pulley gear for lift, includes support (1), rack (2), pulley body (3), arrestment mechanism (15) and support frame (16), its characterized in that: the rack (2) is arranged in the bracket (1), the inner wall of the rack (2) is fixedly connected with the bracket (1), and the outer wall of the placing frame (2) is provided with a swing arm (4), a pulley body (3) is arranged inside the swing arm (4), the pulley body (3) is connected with the swing arm (4) through a bearing, and the bottom end of the bracket (1) below the swing arm (4) is provided with an auxiliary frame (6), the outer wall of the auxiliary frame (6) is fixedly connected with the bracket (1), the top end of the auxiliary frame (6) is provided with a spring (5), the bottom end of the spring (5) is fixedly connected with the auxiliary frame (6), the top end of the spring (5) is fixedly connected with the swing arm (4), the outer wall of the support (1) on one side of the placing rack (2) is provided with a switching rack (7), and the inner wall of the switching rack (7) is fixedly connected with the support (1).

2. The pulley device for an elevator according to claim 1, wherein: the outer wall of the switching frame (7) is provided with an arc-shaped sleeve (8), the outer wall of the arc-shaped sleeve (8) is provided with an arc-shaped buckle (10), and one end, close to the arc-shaped sleeve (8), of the arc-shaped buckle (10) is provided with a hinge pin (9).

3. The pulley device for an elevator according to claim 2, wherein: the arc-shaped buckle (10) is internally provided with a through hole (14), a bolt frame (13) is arranged inside the arc-shaped sleeve (8) on one side of the through hole (14), a T-shaped bolt (12) is arranged inside the bolt frame (13), and a nut (11) is sleeved at one end, close to the through hole (14), of the T-shaped bolt (12).

4. The pulley device for an elevator according to claim 1, wherein: the outer wall of the placing rack (2) is provided with a supporting frame (16), and the outer wall of the supporting frame (16) is provided with a braking mechanism (15).

5. The pulley device for an elevator according to claim 4, wherein: the brake mechanism (15) is internally provided with a threaded seat (1501), a handle (1502), a screw rod (1503) and a brake block (1504) in sequence, the threaded seat (1501) is fixed on the outer wall of the support frame (16), the screw rod (1503) is arranged in the threaded seat (1501), and the handle (1502) is fixed at one end of the screw rod (1503).

6. The pulley device for an elevator according to claim 5, wherein: and a brake block (1504) is installed at one end, away from the handle (1502), of the screw rod (1503), and the outer wall of the brake block (1504) is fixedly connected with the screw rod (1503).