CN215048399U

CN215048399U - Guide tracked lift platform turns to protective structure

Info

Publication number: CN215048399U
Application number: CN202120889436.6U
Authority: CN
Inventors: 黄斌
Original assignee: Jinan Bali Lifting Machinery Co ltd
Current assignee: Jinan Bali Lifting Machinery Co ltd
Priority date: 2021-04-27
Filing date: 2021-04-27
Publication date: 2021-12-07
Anticipated expiration: 2031-04-27

Abstract

The utility model discloses a guide tracked lift platform turns to protective structure mainly relates to lift platform protection field. Including sliding connection's hoisting frame on the guide rail frame, the bottom of hoisting frame is equipped with its hydraulic stem that reciprocates of drive, sliding connection has lift platform on the guide rail frame, be equipped with the mount on the guide rail frame, it is connected with the directive wheel to rotate on the hoisting frame, the last traction rope that is equipped with of lift platform, traction rope's one end is connected with the mount after bypassing the directive wheel, the side of directive wheel is equipped with a plurality of draw-in grooves, there is the power piece along lateral sliding connection on the hoisting frame, be equipped with the gliding drive arrangement of drive power piece on the hoisting frame, be equipped with the fixture block that a plurality of cooperation draw-in grooves used on the power piece. The beneficial effects of the utility model reside in that: it can improve the protective effect to lift platform through the control to the directive wheel, makes the security further improve.

Description

Guide tracked lift platform turns to protective structure

Technical Field

The utility model relates to a lift platform protection field specifically is a guide tracked lift platform turns to protective structure.

Background

Present lift platform, the majority traction mode all is the hydraulic stem, in order to reduce the requirement to the hydraulic stem stroke when going up and down, generally can adopt the movable pulley to drive the mode that turns to, the distance lift platform that makes the hydraulic stem rise one time can rise twice or even quadruple, can guarantee lift platform's lift distance under the limited condition of hydraulic stem stroke like this, but current structure that turns to lacks effectual protection, the directive wheel still rotates fast under the influence of lift platform tenesmus effect under the condition such as pulling rope fracture, the tenesmus to lift platform lacks effectual protection mechanism, the structure that leads to lift platform still has certain potential danger when using.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a guide tracked lift platform turns to protective structure, and it can improve the protecting effect to lift platform through the control to the directive wheel, makes the security further improve.

The utility model discloses a realize above-mentioned purpose, realize through following technical scheme:

the utility model provides a guide tracked lift platform turns to protective structure, includes the hoisting frame of sliding connection on the guide rail frame, the bottom of hoisting frame is equipped with its hydraulic stem that reciprocates of drive, sliding connection has lift platform on the guide rail frame, be equipped with the mount on the guide rail frame, it is connected with the directive wheel to rotate on the hoisting frame, the last traction rope that is equipped with of lift platform, be connected with the mount after the directive wheel is walked around to traction rope's one end, the side of directive wheel is equipped with a plurality of draw-in grooves, there is the power piece along lateral sliding connection on the hoisting frame, be equipped with the gliding drive arrangement of drive power piece on the hoisting frame, be equipped with the fixture block that a plurality of cooperation draw-in grooves used on the power piece.

Furthermore, the cross section of draw-in groove is the wedge, be equipped with the fixed plate on the hoisting frame, the directive wheel rotates and connects on the fixed plate, be equipped with a plurality of connecting rods on the power piece, the fixture block is located the tip of connecting rod, the length of connecting rod is greater than the width of fixed plate.

Furthermore, the connecting rods are located on the left side and the right side of the fixing plate, and the clamping blocks are vertically arranged.

Further, the bilateral symmetry of hoisting frame is equipped with the slide, the outside at the hoisting frame is established to the power piece cover, power piece and slide sliding connection.

Further, the steering wheel is a gear, the traction rope is a chain, and the chain is meshed with the gear.

Contrast prior art, the beneficial effects of the utility model reside in that:

the utility model discloses a lift platform is on the guide rail frame along vertical sliding connection, it sets up the hoisting frame to slide on the guide rail frame, it rises to utilize hydraulic stem drive hoisting frame, set up on the hoisting frame and rotate the wheel, the last traction rope of lift platform walks around and rotates the wheel back and be connected with the mount on the guide rail frame, thereby promote through the hoisting frame and drive lift platform's rising, set up the power piece along horizontal slip on the hoisting frame, utilize the slip of drive arrangement drive power piece, make the fixture block on the power piece use with the draw-in groove cooperation of directive wheel side, when taking place to pull the rope fracture, the rotation of cooperation control directive wheel through fixture block and draw-in groove, make the traction rope still can twine and play certain effect of preventing weighing down on the directive wheel to lift platform, improve the protection to lift platform steering position, it is safer to make lift platform use.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is a left side view of the present invention.

Fig. 3 is a sectional view taken along the direction a-a in fig. 2 according to the present invention.

Fig. 4 is a cross-sectional view taken along the direction B-B in fig. 3 according to the present invention.

Reference numerals shown in the drawings:

1. a guide rail bracket; 2. a hoisting frame; 3. a hydraulic lever; 4. a lifting platform; 5. a fixed mount; 6. a steering wheel; 7. a traction rope; 8. a card slot; 9. a power block; 10. a clamping block; 11. a fixing plate; 12. a connecting rod; 13. a slideway.

Detailed Description

The present invention will be further described with reference to the following specific examples. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Furthermore, it should be understood that various changes or modifications of the present invention may be made by those skilled in the art after reading the teachings of the present invention, and these equivalents also fall within the scope defined in the present application.

The utility model relates to a guide rail type lifting platform steering protection structure, the main structure comprises a lifting frame 2 which is connected on a guide rail frame 1 in a sliding way, a vertical groove is arranged on the guide rail frame 1, rollers are arranged on two sides of the lifting frame 2, the rollers are connected in the vertical groove in a rolling way to realize the relative sliding of the lifting frame 2 relative to the guide rail frame 1, a hydraulic rod 3 which drives the lifting frame 2 to move up and down is arranged at the bottom of the lifting frame 2, the lifting frame 2 is driven to move up and down on the guide rail frame 1 by the expansion and contraction of the hydraulic rod 3, a lifting platform 4 is connected on the guide rail frame 1 in a sliding way, the sliding of the lifting platform 4 adopts a sliding structure similar to the lifting frame 2, a fixed frame 5 is fixed on the guide rail frame 1 by welding or bolts, a steering wheel 6 is connected on the lifting frame 2 in a rotating way, a traction rope 7 is fixed on the lifting platform 4 by bolts or tied on the traction rope, one end of a traction rope 7 is connected with the fixing frame 5 after bypassing the steering wheel 6, the traction rope 7 is fixed on the fixing frame 5 after at least one turn of the traction rope 6 is bypassed, so that the traction rope 7 can be partially temporarily stored in the steering wheel 6 after being broken, the steering wheel 6 forms a movable pulley structure, one end of the traction rope 7 is fixed by the fixing frame 5 when the lifting frame 2 ascends, the other end of the traction rope drives the lifting platform 4 to ascend with speed, the side surface of the steering wheel 6 is provided with a plurality of clamping grooves 8, the clamping grooves 8 are provided with measuring surfaces of the steering wheel 6 to extend inwards, the lifting frame 2 is connected with a power block 9 in a transverse sliding manner, the lifting frame 2 is provided with a driving device for driving the power block 9 to slide, the driving device can adopt an air cylinder or an electric push rod structure and can drive the power block 9 to move towards or far away from the steering wheel 6, the power block 9 is provided with a plurality of clamping blocks 10 matched with the clamping grooves 8, when the one end fracture that pulls the rope and be close to mount 5, utilize drive arrangement to drive power piece 9 and remove towards directive wheel 6, make the fixture block 10 on the power piece 9 stretch into in the draw-in groove 8 and prevent continuation rotation of directive wheel 6, make the tip of pulling rope 7 still twine and draw lifting platform 4 on directive wheel 6, avoid lifting platform 4's continuation tenesmus, improve the security that lifting platform 4 used greatly.

Preferably, the cross section of the clamping groove 8 is wedge-shaped, the clamping block 10 is matched with the shape of the clamping groove, one side of the wider side of the wedge is towards the rear side of the rotating direction when the steering wheel 6 falls down, so that the clamping block 10 can enter the clamping groove 8 more smoothly, the wider end of the wedge-shaped clamping groove 8 is clamped by the shape of the clamping block 10, so that the clamping block 10 is matched with the clamping groove 8 more smoothly, the lifting frame 2 is fixed with the fixing plate 11 by welding or bolts, the steering wheel 6 is rotationally connected on the fixing plate 11 by the pin shaft, the fixing plate 11 is symmetrically fixed on two sides of the steering wheel 6 to provide support for the steering wheel, the power block 9 is fixed with a plurality of connecting rods 12 by welding or integral forming, the clamping block 10 is located at the end part of the connecting rod 12, the length of the connecting rod 12 is greater than the width of the fixing plate 11, and the setting can enable the connecting rod 12 to offset the width distance of the fixing plate 11 when the power block 9 moves, the fixture block 10 can smoothly enter the clamping groove 8 to limit the rotation of the steering wheel 6, and meanwhile, the fixed position of the steering wheel 6 is ensured to be firm, and the smoothness and stability of the operation of the device are ensured.

Preferably, the connecting rod 12 is located the left and right sides of fixed plate 11, fixture block 10 is along vertical setting, and such setting makes fixture block 10 can cooperate with draw-in groove 8 when draw-in groove 8 rotates vertical direction, and such setting makes the fixture block 10 and the draw-in groove 8 cooperation that have the left and right sides simultaneously at least, has avoided fixed plate 11 to block fixture block 10 in the upper and lower direction, makes the cooperation of fixture block 10 and draw-in groove 8 more firm, and the protecting effect further promotes.

Preferably, the welding of the bilateral symmetry of hoisting frame 2 or integrated into one piece be fixed with slide 13, and slide 13 is formed by the outside arch in surface of hoisting frame 2, the outside at hoisting frame 2 is established to power piece 9 cover, power piece 9 and slide 13 sliding connection, specific power piece 9 be the open annular structure in bottom, collide with hydraulic stem 3 when avoiding its motion, set up the opening in the left and right sides of annular structure, opening and slide sliding connection, such setting up can make power piece 9 more firm with the sliding fit of hoisting frame 2, rotate the difficult rotation of direction at directive wheel 6, consequently the restriction effect to directive wheel 6 is better.

Preferably, the steering wheel 6 is a gear, the traction rope 7 is a chain, the chain is meshed with the gear, the traction rope 7 and the steering wheel 6 are meshed and matched, the traction rope 7 cannot instantly fall off the steering wheel 6 when being broken by a meshing connection mode, the lifting platform 4 can be temporarily pulled by meshing of the two, and the protection effect on the lifting platform 4 is further improved.

The working principle is as follows: the utility model discloses a lift platform 4 along vertical sliding connection on guide rail frame 1, slide on guide rail frame 1 and set up hoisting frame 2, utilize hydraulic stem 3 drive hoisting frame 2 to rise, set up on hoisting frame 2 and rotate the wheel 6, the traction rope 7 on lift platform 4 bypasses behind rotating the wheel 6 and is connected with mount 5 on guide rail frame 1, thereby drive lift platform 4's rising through the promotion of hoisting frame 2, set up power block 9 along horizontal sliding on hoisting frame 2, utilize the slip of drive arrangement drive power block 9, make the fixture block 10 on power block 9 and the draw-in groove 8 of directive wheel 6 side use cooperatively, when taking place traction rope 7 and breaking, control the rotation of directive wheel 6 through the cooperation of fixture block 10 and draw-in groove 8, make traction rope 7 still can twine on directive wheel 6 and play certain anti-falling effect to lift platform 4, improve the protection to lift platform 4 steering position, the lifting platform 4 is safer to use.

Claims

1. The utility model provides a guide tracked lift platform turns to protective structure, includes hoisting frame (2) of sliding connection on guide rail frame (1), the bottom of hoisting frame (2) is equipped with its hydraulic stem (3) that reciprocates of drive, sliding connection has lift platform (4) on guide rail frame (1), be equipped with mount (5) on guide rail frame (1), it is connected with directive wheel (6) to rotate on hoisting frame (2), be equipped with on lift platform (4) and pull rope (7), the one end of pulling rope (7) is walked around behind directive wheel (6) and is connected its characterized in that with mount (5): the side of directive wheel (6) is equipped with a plurality of draw-in grooves (8), it has power piece (9) to go up along horizontal sliding connection on hoisting frame (2), be equipped with the gliding drive arrangement of drive power piece (9) on hoisting frame (2), be equipped with fixture block (10) that a plurality of cooperation draw-in grooves (8) used on power piece (9).

2. The guide tracked lift platform of claim 1 turns to protective structure, characterized in that: the cross section of draw-in groove (8) is the wedge, be equipped with fixed plate (11) on hoisting frame (2), directive wheel (6) rotate to be connected on fixed plate (11), be equipped with a plurality of connecting rods (12) on power piece (9), fixture block (10) are located the tip of connecting rod (12), the length of connecting rod (12) is greater than the width of fixed plate (11).

3. The guide tracked lift platform of claim 2 turns to protective structure, characterized in that: the connecting rods (12) are positioned on the left side and the right side of the fixing plate (11), and the fixture blocks (10) are vertically arranged.

4. The guide tracked lift platform of claim 1 turns to protective structure, characterized in that: the bilateral symmetry of hoisting frame (2) is equipped with slide (13), the outside at hoisting frame (2) is established in power piece (9) cover, power piece (9) and slide (13) sliding connection.

5. The guide tracked lift platform of claim 1 turns to protective structure, characterized in that: the steering wheel (6) is a gear, the traction rope (7) is a chain, and the chain is meshed with the gear.