CN220201091U

CN220201091U - Stable building elevator crane

Info

Publication number: CN220201091U
Application number: CN202321943479.3U
Authority: CN
Inventors: 刘元
Original assignee: Ningxia Jinkangli Building Equipment Co ltd
Current assignee: Ningxia Jinkangli Building Equipment Co ltd
Priority date: 2023-07-24
Filing date: 2023-07-24
Publication date: 2023-12-19
Anticipated expiration: 2033-07-24

Abstract

The utility model relates to the technical field of building elevator lifting frames, and provides a stable building elevator lifting frame, which comprises a frame (1) with a winch (2) arranged at the top end, a steel cable (3) which penetrates through the top of the frame (1) and is fixedly connected with an elevator box body (4) at one end, a supporting block (5) fixedly arranged on the side wall of the elevator box body (4), a rotating shaft (6) which is fixedly connected with a roller (7) in a rotating way between the two supporting blocks (5), a wheel groove (8) which is matched with the roller (7) in the frame (1) and a first electric telescopic rod (9) with an output end fixedly connected with a friction plate (10) are fixedly connected under the supporting block (5).

Description

Stable building elevator crane

Technical Field

The utility model relates to the technical field of building elevator lifting frames, in particular to a stable building elevator lifting frame.

Background

The building elevator is also called a building construction elevator or a construction elevator, and generally refers to a transport means for vertically transporting pedestrians or building materials and goods on a building site, in the construction of high-rise building engineering, the vertical transportation usually uses machines such as the building elevator, and serious safety accidents often occur due to improper use or management of the machines, and the serious safety accidents often occur due to group injury and group death accidents, so that the social influence is extremely serious, and the serious negative influence is caused to the establishment of a harmonious society.

Patent number CN 208593939U's patent discloses a stable building elevator crane, including frame, hoisting frame, pole shell, hoist engine and cable wire, the hoist engine is installed on the top of frame, and the internal connection of hoist engine has the cable wire, the cable wire runs through in the top of frame, the other end of cable wire is connected with the top of hoisting frame, the top of hoisting frame and the bottom of hoisting frame all are fixed with the pole shell, and the pole shell is fixed with the multiunit respectively, the internally connected of pole shell has the telescopic link, the recess has been seted up to the end of telescopic link, and the rotary rod is installed to the inner wall of recess, install the gyro wheel on the rotary rod. According to the utility model, the telescopic rod is connected to the inside of the rod shell, the roller is arranged in the groove formed in the telescopic rod, and when the lifting frame ascends, the roller assists the lifting frame, so that the stabilizing effect of the lifting frame is greatly improved, and the telescopic rod is more practical and suitable for wide popularization and use. However, the elevator car in this patent lacks a braking structure, and when a run-away of the hoist or breakage of the rope occurs, the elevator car is at risk of falling out of control.

Disclosure of Invention

The utility model aims to overcome the defects of the conditions, and aims to provide a stable building elevator lifting frame, which can prevent the elevator box from shaking in the lifting process, can prevent the elevator box from falling out of control and causing danger when a winch is out of control or a steel rope breaks, and has good heat dissipation effect of a braking structure.

The utility model provides a stable building elevator crane, includes the frame that the top set up the hoist engine, hoist engine output with run through set up in frame top and one end and elevator box rigid coupling's cable wire electric connection, still including set firmly with the supporting shoe of elevator box lateral wall, two set firmly the pivot that rotates to be connected with the gyro wheel between the supporting shoe, set firmly in the frame with the wheel groove of gyro wheel looks adaptation, the rigid coupling has the first electric telescopic handle of output rigid coupling friction disc under the supporting shoe.

Further, a sawtooth block is fixedly arranged in the wheel groove.

Further, a partition piece is fixedly arranged between two rollers, and a cavity is formed between two adjacent partition pieces.

Further, the serration piece is adapted to the cavity.

Further, the roller surface is arranged in a rough way.

Further, the inner wall of the frame is fixedly provided with a mounting block provided with a clamping groove.

Further, a second electric telescopic rod with a clamping block fixedly arranged at the output end of the elevator box body is fixedly arranged at the outer side of the elevator box body.

Further, the clamping block is matched with the clamping groove.

Compared with the prior art, the utility model has the beneficial effects that:

(1) in the utility model, the rotating shaft is fixedly arranged between the two supporting blocks, the rotating shaft is rotationally connected with the two rollers arranged at intervals, the inner side of the frame is fixedly provided with a plurality of wheel grooves, the two rollers are adhered to the inner walls of the wheel grooves and can roll in the inner walls of the wheel grooves, and the limitation of the wheel grooves on the rollers can prevent the elevator box body from shaking in the ascending or descending process, so that the stability is improved.

(2) In the utility model, when the winch is out of control or the steel cable breaks, the switch of the first electric telescopic rod is controlled, the external power supply supplies power, the output end of the first electric telescopic rod extends out, so that the friction plate is contacted and abutted with the surface of the roller, the rolling speed of the roller can be reduced through the action of friction force, the falling speed of the elevator box body is reduced, and finally the roller stops rolling in the wheel groove under the action of the saw tooth block, so that the elevator box body stops falling, the emergency braking effect is achieved, and the danger of falling in out of control of the elevator box body is avoided.

(3) In the utility model, after the first electric telescopic rod is started to brake the elevator box, the switch of the second electric telescopic rod is controlled to supply power by an external power supply, the output end of the second electric telescopic rod extends out to enable the clamping block to move towards the direction close to the mounting block, and the clamping block extends into a clamping groove at a proper position in the process of slowing down and descending the elevator box or after the elevator box stops descending under the action of friction force of the friction plate and the roller, so that the elevator box is fixed in the clamping groove, and the safety is further improved.

(4) According to the utility model, the cavity formed between two adjacent separating pieces can enable heat generated by friction of the friction plate and the roller to circulate along with air, so that a heat dissipation effect is achieved, and the safety of the device is further improved.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:

fig. 1 is a schematic view of the overall structure of a stable building elevator cage;

FIG. 2 is a schematic view of the inner side wall structure of the frame;

FIG. 3 is a schematic view of the structure of the roller;

FIG. 4 is a schematic view of the internal structure of the roller;

fig. 5 is an enlarged view at a in fig. 2.

In the figure: 1. a frame; 2. a hoist; 3. a wire rope; 4. an elevator cage; 5. a support block; 6. a rotating shaft; 7. a roller; 8. wheel grooves; 9. a first electric telescopic rod; 10. a friction plate; 11. a partition; 12. a cavity; 13. a saw tooth block; 14. a mounting block; 141. a clamping groove; 15. a second electric telescopic rod; 16. and (5) clamping blocks.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Specific examples:

as shown in fig. 1, a stable elevator lifting frame for building comprises a frame 1, wherein a winch 2 electrically connected with an external power supply is installed at the top end of the frame 1, the type of the winch 2 is JJKD-1, a steel cable 3 is arranged at the top end of the frame 1 in a penetrating manner, the power input end of the steel cable 3 is electrically connected with the power output end of the winch 2, the power output end of the steel cable 3 is fixedly connected with the top end of an elevator box 4 arranged in the frame 1, and lifting of the elevator box 4 can be controlled by winding and unwinding the steel cable 3 through the winch 2.

As shown in fig. 1, fig. 2, fig. 3 and fig. 4, in order to enable the elevator car 4 to stably ascend or descend, two approximately parallel supporting blocks 5 are fixedly arranged at four corners of two sides of the elevator car 4, a rotating shaft 6 is fixedly arranged between the two supporting blocks 5, two rollers 7 arranged at intervals are rotationally connected to the rotating shaft 6, a plurality of wheel grooves 8 are fixedly arranged on the inner side of the frame 1, the two rollers 7 are bonded with the inner walls of the wheel grooves 8 and can roll in the inner walls, the surface of the rollers 7 is roughly provided, friction force between the rollers and the wheel grooves 8 can be increased, limitation of the stability wheel grooves 8 on the rollers 7 is improved, shaking of the elevator car 4 in the ascending or descending process can be avoided, and stability is improved.

As shown in fig. 2, 3 and 4, a first electric telescopic rod 9 electrically connected with an external power supply is fixedly connected to one side of the lower end of the supporting block 5, and a friction plate 10 is fixedly connected to the output end of the first electric telescopic rod 9 at one side close to the roller 7; a plurality of partition pieces 11 are fixedly arranged between the two rollers 7, a cavity 12 is formed between the two adjacent partition pieces 11, a plurality of saw tooth blocks 13 are fixedly arranged on the inner wall of the wheel groove 8, the saw tooth blocks 13 are matched with the cavity 12, when the rollers 7 roll in the wheel groove 8, the cavity 12 can be clamped and separated with the saw tooth blocks 13, the rollers 7 are further limited, and then the stability of the elevator box 4 is improved. When the winch 2 is out of control or the steel rope 3 breaks, the switch of the first electric telescopic rod 9 is controlled, the external power supply supplies power, the output end of the first electric telescopic rod 9 stretches out, the friction plate 10 is in contact with and is abutted against the surface of the roller 7, the rolling speed of the roller 7 can be reduced through the action of friction force, the descending speed of the elevator box 4 is reduced, the braking effect of a braking structure is achieved, and under the action of the saw-tooth block 13, the roller 7 stops rolling in the wheel groove 8 finally, the elevator box 4 stops falling, the emergency braking effect is achieved, and the danger of the out-of-control falling of the elevator box 4 is avoided; the cavity 12 formed between two adjacent separating pieces 11 can enable heat generated by friction between the friction plate 10 and the roller 7 to circulate along with air, so that a good heat dissipation effect is achieved, and the safety of the device is further improved.

As shown in fig. 2 and 5, the mounting block 14 is further fixedly arranged on the inner side of the frame 1, a plurality of clamping grooves 141 are formed in the mounting block 14 and close to the elevator box 4, a second electric telescopic rod 15 is fixedly arranged on the outer side wall of the elevator box 4, an external power supply of the second electric telescopic rod 15 is electrically connected, the output end of the second electric telescopic rod 15 is close to the mounting block 14 and is fixedly connected with a clamping block 16, the clamping block 16 is matched with the clamping groove 141, after the first electric telescopic rod 9 is started to brake the elevator box 4, the external power supply is controlled to supply power, the output end of the second electric telescopic rod 15 stretches out, the clamping block 16 moves towards the direction close to the mounting block 14, and after the elevator box 4 stops falling under the friction force of the friction plate 10 and the roller 7 or under the friction force of the elevator box 4, the clamping block 16 stretches out into the clamping groove 141 at a proper position, so that the elevator box 4 is fixed in position, and safety is further improved.

The working principle of the stable building elevator lifting frame in the embodiment is as follows: when in use, the lifting of the elevator box body 4 can be controlled by winding and unwinding the steel rope 3 through the winch 2; the rough surface of the roller 7 can increase the friction between the roller 7 and the roller groove 8, so that the limitation of the roller 7 by the roller groove 8 is improved, the shaking of the elevator box 4 in the ascending or descending process can be avoided, and the stability is improved; when the winch 2 is out of control or the steel rope 3 breaks, the output end of the first electric telescopic rod 9 stretches out through controlling the switch of the first electric telescopic rod 9, the friction plate 10 is in contact with and abuts against the surface of the roller 7, the rolling speed of the roller 7 can be reduced through the action of friction force, accordingly the descending speed of the elevator box 4 is reduced, and under the action of the saw-tooth block 13, the roller 7 finally stops rolling in the wheel groove 8, the elevator box 4 stops falling, the emergency braking effect is achieved, and the danger of falling in out of control of the elevator box 4 is avoided. The stable building elevator lifting frame in the embodiment can avoid shaking of the elevator box in the lifting process, and can avoid falling and danger caused by out-of-control of the elevator box when a winch is out of control or a steel rope breaks, and the heat dissipation effect of the braking structure is good.

Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. The utility model provides a stable building elevator crane, includes frame (1) that the top set up hoist engine (2), hoist engine (2) output with run through set up in frame (1) top and one end and cable wire (3) electric connection of elevator box (4) rigid coupling, its characterized in that: still including set firmly in supporting shoe (5) of elevator box (4) lateral wall, two set firmly between supporting shoe (5) pivot (6) that rotate and be connected with gyro wheel (7), set firmly in frame (1) with race (8) of gyro wheel (7) looks adaptation, the rigid coupling has first electric telescopic handle (9) of output rigid coupling friction disc (10) under supporting shoe (5).

2. A stable building elevator as claimed in claim 1, characterized in that: the inside of the wheel groove (8) is fixedly provided with a sawtooth block (13).

3. A stable building elevator as claimed in claim 2, characterized in that: a separation piece (11) is fixedly arranged between the two rollers (7), and a cavity (12) is formed between two adjacent separation pieces (11).

4. A stable building elevator hoist as claimed in claim 3, characterized in that: the sawtooth block (13) is matched with the cavity (12).

5. A stable building elevator as claimed in claim 1, characterized in that: the surface of the roller (7) is roughly provided.

6. A stable building elevator as claimed in claim 1, characterized in that: the inner wall of the frame (1) is also fixedly provided with a mounting block (14) provided with a clamping groove (141).

7. A stable building elevator as claimed in claim 6, wherein: the second electric telescopic rod (15) of which the output end is fixedly provided with a clamping block (16) is fixedly arranged on the outer side of the elevator box body (4).

8. A stable building elevator as claimed in claim 7, characterized in that: the clamping block (16) is matched with the clamping groove (141).