CN111332995B

CN111332995B - Sliding platform self-locking mechanism

Info

Publication number: CN111332995B
Application number: CN201811552782.4A
Authority: CN
Inventors: 陈金贵; 姜学艳; 冉学聪
Original assignee: Beijing Sanxing Automobile Co Ltd
Current assignee: Beijing Sanxing Automobile Co Ltd
Priority date: 2018-12-18
Filing date: 2018-12-18
Publication date: 2024-04-02
Anticipated expiration: 2038-12-18
Also published as: CN111332995A

Abstract

The invention discloses a sliding platform self-locking mechanism which comprises a bottom frame, wherein the right end of the bottom frame is fixedly connected with a rotating pipe, the lower end of the rotating pipe is fixedly connected with a rotating ladder, a sliding groove is formed in the bottom frame, the upper end of a sliding wheel is connected with a sliding platform in a sliding manner, the upper end of the left side of the sliding platform is fixedly connected with a stair, the outer side of the stair is fixedly connected with a stair handrail, the sliding groove is internally connected with a locking handle in a sliding manner, an extension spring is arranged between the locking handle and a fence, the lower end of the locking handle is fixedly connected with a rotating shaft, the left end of the rotating shaft is fixedly connected with a locking block, the outer side of the rotating shaft is fixedly connected with a bearing fixing seat, and the lower end of the bearing fixing seat is fixedly connected with the bottom frame. The sliding platform self-locking mechanism is modified by adding the locking mechanism, the tension spring and the rotatable ladder on the basis of the existing mechanical sliding platform, solves the problem that remote control cannot be realized, and improves the reliability of the mechanism.

Description

Sliding platform self-locking mechanism

Technical Field

The invention relates to the technical field of mechanical equipment, in particular to a self-locking mechanism of a sliding platform.

Background

The high-altitude operation platform is an equipment installation, overhaul and other high-altitude operation product used in various industries, and the common operation platform comprises a movable operation platform and an overhanging type steel platform, and the operation platform is obviously marked with an allowable load value.

Besides the use of the operation platform for transporting and stacking materials, machines, equipment and constructors, the operation platform can be used for installing a lifting tower crane, at present, a locking mechanism mainly adopts mechanical, electronic, hydraulic and other modes in reality, and the locking mechanism usually adopts pneumatic control or electric control and other modes for special requirements.

Disclosure of Invention

The invention aims to provide a self-locking mechanism of a sliding platform, which aims to solve the problems that the prior art is simple in structure and difficult to realize remote control.

In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a sliding platform self-locking mechanism, includes the chassis, chassis right-hand member fixedly connected with dwang, swivelling tub lower extreme fixedly connected with rotary ladder, the sliding tray has been seted up on the chassis, sliding connection has the movable pulley that the symmetry set up in the sliding tray, be provided with the roller shaft between movable pulley and another movable pulley, movable pulley left side fixedly connected with spacing axle, the upper end sliding connection of movable pulley has the sliding platform, sliding platform left side upper end fixedly connected with stair, stair outside fixedly connected with stair handrail, chassis right side upper end fixedly connected with rail, rail lower extreme fixedly connected with deflector, the spread groove has been seted up in the deflector, sliding connection has the locking handle in the spread groove, be provided with extension spring between locking handle and the rail, the lower extreme fixedly connected with rotation axis of locking handle, the left end fixedly connected with latch segment of rotation axis, the bearing fixing base in the outside, bearing fixing base lower extreme fixedly connected with chassis.

Preferably, the length of the underframe is equal to the length of the sliding platform, and the width of the underframe is larger than the width of the sliding platform.

Preferably, the width of the rotating ladder is less than the width of the undercarriage minus the width of the sliding platform, and the height of the rotating ladder is less than the length of the undercarriage.

Preferably, the distance from the limiting shaft to the left end of the sliding platform is smaller than the distance from the sliding wheel to the left end of the sliding platform.

Preferably, the sliding platform is slidable a distance less than half the width of the sliding platform.

Preferably, the height of the center point of the locking block is equal to the height of the center point of the limiting shaft.

Compared with the prior art, the invention has the beneficial effects that: this sliding platform self-locking mechanism, on current mechanical type sliding platform's basis, added locking mechanism, extension spring and rotatable ladder's change, through setting up extension locking lever, can control the locking lever in starting position department, rotate the locking of appointed position at initial position to sliding platform through locking mechanism's rotation axis, safe and reliable has solved the unable remote control's of current device problem, through setting up rotatable ladder, occupation space is not, through setting up extension spring, provide the tight locking lever of power compression, the reliability of improvement mechanism.

Drawings

FIG. 1 is a schematic diagram of the front structure of the present invention;

FIG. 2 is a schematic side view of the present invention;

fig. 3 is a schematic top view of the present invention.

In the figure: 1. a chassis; 2. a rotary tube; 3. rotating the ladder; 4. a sliding groove; 5. a sliding wheel; 6. a roller shaft; 7. a limiting shaft; 8. a sliding platform; 9. stairs; 10. stair railing; 11. a fence; 12. a guide plate; 13. a guide groove; 14. a locking handle; 15. a tension spring; 16. a rotation shaft; 17. a locking block; 18. and a bearing fixing seat.

Detailed Description

The following description of the embodiments of the present invention 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 invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

Referring to fig. 1-3, the present invention provides a technical solution: the self-locking mechanism of the sliding platform comprises a chassis 1, a rotating pipe 2, a rotating ladder 3, a sliding groove 4, a sliding wheel 5, a roller shaft 6, a limiting shaft 7, a sliding platform 8, a stair 9, a stair railing 10, a fence 11, a guide plate 12, a guide groove 13, a locking handle 14, an extension spring 15, a rotating shaft 16, a locking block 17 and a bearing fixing seat 18, wherein the rotating pipe 2 is fixedly connected to the right end of the chassis 1, the rotating ladder 3 is fixedly connected to the lower end of the rotating pipe 2, the sliding groove 4 is formed in the chassis 1, the sliding wheel 5 which is symmetrically arranged is in the sliding groove 4, the roller shaft 6 is arranged between the sliding wheel 5 and the other sliding wheel 5, the limiting shaft 7 is fixedly connected to the left side of the sliding wheel 5, the sliding platform 8 is fixedly connected to the upper end of the sliding wheel, the upper end of the sliding platform 8 is fixedly connected to the stair 9, the stair railing 10 is fixedly connected to the outer side of the stair 9, the upper end of the right side of the chassis 1 is fixedly connected to the handle 11, the guide plate 12 is fixedly connected to the lower end of the fence 11, the guide groove 13 is formed in the guide plate 12, the guide groove 14 is fixedly connected to the lower end of the guide groove 14 is fixedly connected to the sliding wheel 13, the handle 14 is fixedly connected to the lower end of the locking block 14, the lower end of the guide plate 11 is fixedly connected to the lower end of the rotating shaft 16 is fixedly connected to the bearing fixing seat 16, the lower end of the rotating shaft 16 is fixedly connected to the left end of the rotating shaft 16, and the upper end of the rotating shaft 16 is fixedly connected to the rotating seat 16 is fixedly connected to the rotating shaft 16;

further, the length of the underframe 1 is equal to the length of the sliding platform 8, and the width of the underframe 1 is larger than the width of the sliding platform 8, so that the stability of the sliding platform 8 is ensured;

further, the width of the rotary ladder 3 is smaller than the difference between the width of the underframe 1 and the width of the sliding platform 8, and the height of the rotary ladder 3 is smaller than the length of the underframe 1, and the rotary ladder 3 can be stored on the underframe 1 after rotating and does not influence the sliding of the sliding platform 8;

further, the distance from the limiting shaft 7 to the left end of the sliding platform 8 is smaller than the distance from the sliding wheel 5 to the left end of the sliding platform 8, so that the sliding platform 8 is ensured to have enough sliding distance;

further, the slidable distance of the sliding platform 8 is smaller than half of the width of the sliding platform 8, so that the stability of the sliding platform 8 after sliding out is ensured;

further, the height of the center point of the locking block 17 is equal to the height of the center point of the limiting shaft 7, and the sliding platform 8 is locked through the cooperation of the locking block 17 and the limiting shaft 7.

Working principle: firstly, an operator rotates the rotary ladder 3 through the rotary pipe 2 from the rotary ladder 3 below the rotary pipe 2 to the upper part of the underframe 1, then moves to the sliding platform 8 from the underframe 1, holds up the stair railing 10, slides upwards from the stair 9, moves the locking handle 14 in the guide groove 13 in the guide plate 12 through the sliding wheel 5 and the roller shaft 6 below in the sliding groove 4 at the upper end of the underframe 1, tightens the tension spring 15 through the movement of the locking handle 14, and then locks the limiting shaft 7 along with the rotation of the rotating shaft 16 at the lower end of the locking handle 14, so that the locking purpose is achieved.

Finally, it should be noted that the above description is only for illustrating the technical solution of the present invention, and not for limiting the scope of the present invention, and that the simple modification and equivalent substitution of the technical solution of the present invention can be made by those skilled in the art without departing from the spirit and scope of the technical solution of the present invention.

Claims

1. The utility model provides a sliding platform self-locking mechanism, includes chassis (1), its characterized in that: the utility model discloses a rotary shaft locking device, including chassis (1), rotating pipe (2) fixedly connected with, rotating pipe (2) lower extreme fixedly connected with rotary ladder (3), sliding groove (4) have been seted up on chassis (1), sliding connection has movable pulley (5) of symmetry setting in sliding groove (4), be provided with roller shaft (6) between movable pulley (5) and another movable pulley (5), movable pulley (5) left side fixedly connected with spacing axle (7), sliding connection has slide table (8) in the upper end of movable pulley (5), slide table (8) left side upper end fixedly connected with stair (9), stair (9) outside fixedly connected with stair railing (10), chassis (1) right side upper end fixedly connected with rail (11), rail (11) lower extreme fixedly connected with deflector (12), set up guide way (13) in deflector (12), sliding connection has locking handle (14) in guide way (13), locking handle (14) and rail (11) left side upper end fixedly connected with stair railing (11) have, locking handle (16) fixed connection has rotation axis (16), the outer side of the rotating shaft (16) is fixedly connected with a bearing fixing seat (18), and the lower end of the bearing fixing seat (18) is fixedly connected with a bottom frame (1);

the length of the underframe (1) is equal to the length of the sliding platform (8), and the width of the underframe (1) is larger than the width of the sliding platform (8); the width of the rotary ladder (3) is smaller than the difference between the width of the underframe (1) and the width of the sliding platform (8), and the height of the rotary ladder (3) is smaller than the length of the underframe (1); the distance from the limiting shaft (7) to the left end of the sliding platform (8) is smaller than the distance from the sliding wheel (5) to the left end of the sliding platform (8); the slidable distance of the sliding platform (8) is smaller than half of the width of the sliding platform (8); the height of the center point of the locking block (17) is equal to the height of the center point of the limiting shaft (7).