CN222961041U - Hoisting device under trestle plate - Google Patents

Abstract

The utility model relates to a lifting device under a trestle plate, which comprises a bottom plate, a top plate, a supporting rod, a traction rope and pulleys, wherein the supporting rod is connected between the bottom plate and the top plate, a screw rod is arranged on the upper end face of the bottom plate, a first nut is arranged on the lower end face of the supporting rod, the screw rod is in threaded fit with the first nut, the pulleys are arranged on the top plate, and the traction rope is suspended on the pulleys. The utility model has the advantages that the heights of the supporting rods are adjusted through the screw rods and the first nuts, so that the bottom plate and the top plate are respectively propped against the bottom wall and the top wall of the upper layer supporting beam and the lower layer supporting beam to realize fixation, and the lifting can be realized through the pulleys and the traction rope, so that the lifting device has simple structure, easy installation and small occupied area, is suitable for a scene that only the beam lower opposite supporting space is arranged below the supporting system pallet, no structural bottom plate is arranged, and no large lifting equipment or lifting machinery is arranged, and other professional construction is not influenced in the lifting process.

Description

Hoisting device under trestle plate

Technical Field

The utility model relates to the technical field of hoisting equipment, in particular to a hoisting device under a trestle plate.

Background

In the field of construction, the support form of 'single row piles plus three reinforced concrete internal supports' is not used. An annular stack bridge plate is additionally arranged on the first layer support so as to combine with the grab bucket to carry out vertical soil discharge. A large number of steel-structured scissor supports are arranged on the second inner support and the third inner support for lifting and installing, and the top pallet forms a closed top plate surface, so that the tower crane and the automobile crane cannot pass through the pallet for vertical transportation. The bottom is only provided with a supporting beam and no plate surface, the effective working space is only in the range of Liang Miankuan degrees, and the lifting and the hanging can not be carried out by a small machine. The traditional mechanical hoisting methods cannot be applied in the environment and can only rely on manual operation.

According to the design requirement, the weight of the steel-structured scissor supports [25a channel steel ] reaches 27.5kg/m, each scissor support is about 10m, the weight reaches 275kg, the installation height reaches 3.6m, and the single scissor support is difficult to implement by manual operation in terms of the weight and the installation height. Moreover, in order to meet the requirements of a supporting system, the number of the scissors supports on the second support and the third support is up to 600, so that the space operation under the first-layer trestle plate is reserved, and the hanging hooks are reserved according to the traditional construction method, so that the requirements of a plurality of factors and high-quality welding of the scissors supports are also met, and the realization is difficult.

Disclosure of utility model

The utility model aims to solve the technical problem of providing a lifting device under a trestle plate so as to overcome the defects in the prior art.

The technical scheme includes that the lifting device under the trestle plate comprises a bottom plate, a top plate, a supporting rod, a traction rope and pulleys, wherein the supporting rod is connected between the bottom plate and the top plate, a screw rod is arranged on the upper end face of the bottom plate, a first nut is arranged on the lower end face of the supporting rod, the screw rod is in threaded fit with the first nut, the pulleys are arranged on the top plate, and the traction rope is suspended on the pulleys.

The utility model has the advantages that the heights of the supporting rods are adjusted through the screw rods and the first nuts, so that the bottom plate and the top plate are respectively propped against the bottom wall and the top wall of the upper layer supporting beam and the lower layer supporting beam to realize fixation, and the lifting can be realized through the pulleys and the traction rope, so that the lifting device has simple structure, easy installation and small occupied area, is suitable for a scene that only the beam lower opposite supporting space is arranged below the supporting system pallet, no structural bottom plate is arranged, and no large lifting equipment or lifting machinery is arranged, and other professional construction is not influenced in the lifting process.

On the basis of the technical scheme, the utility model can be improved as follows.

Further, be provided with fixed cover down above the bottom plate, be provided with the adjustment sleeve between bracing piece and the fixed cover down, the adjustment sleeve overlaps respectively and establishes the lower extreme at the bracing piece and the upper end of fixed cover down, and the upper end of fixed cover down is provided with the second nut, and the screw rod is coaxial to be fixed inside the adjustment sleeve, and the first half and the lower half screw thread opposite direction of screw rod, first nut and second nut respectively with the first half and the lower half threaded connection of screw rod.

Further, still include the installation cover, first nut sets up in the installation cover lower extreme, and the roof below is provided with fixed cover, and the both ends of bracing piece can be dismantled respectively and connect between installation cover and the fixed cover of going up.

Further, a limiting piece is arranged below the supporting rod in the middle of the mounting sleeve.

Further, the lower terminal surface of roof is provided with the slide bar, and sliding connection has the slider on the slide bar, and the pulley is connected in the slider below.

Further, the slider is T type, has arranged T type spout along its length direction in the slide bar, and the slider slides in T type spout.

Further, the pulley top is connected with positioning bolt, runs through in the slider and is provided with the screw hole, positioning bolt and screw hole screw-thread fit.

Further, the motor is also included, a rotating shaft of the motor is connected with a winding wheel, and one end of the traction rope is connected with the winding wheel.

Further, the traction rope is a steel wire rope or an iron chain.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic cross-sectional view of the present utility model;

FIG. 3 is a schematic cross-sectional view of a slide bar according to the present utility model.

In the drawings, the list of components represented by the various numbers is as follows:

1. The device comprises a bottom plate, a top plate, 3, a supporting rod, 4, a traction rope, 5, a pulley, 6, a screw rod, 7, a first nut, 8, an upper fixing sleeve, 9, a lower fixing sleeve, 10, an adjusting sleeve, 11, a supporting edge, 12, a limiting piece, 13, a sliding rod, 14, a sliding block, 15, a T-shaped sliding groove, 16, a positioning bolt, 17, a threaded hole, 18, a motor, 19, a winding wheel, 20, a second nut, 21 and a mounting sleeve.

Detailed Description

The principles and features of the present utility model are described below with reference to the drawings, the examples are illustrated for the purpose of illustrating the utility model and are not to be construed as limiting the scope of the utility model.

As shown in fig. 1-3, in embodiment 1, an under-deck lifting device comprises a bottom plate 1, a top plate 2, a supporting rod 3, a traction rope 4 and a pulley 5, wherein the supporting rod 3 is connected between the bottom plate 1 and the top plate 2, a screw rod 6 is arranged on the upper end surface of the bottom plate 1, a first nut 7 is arranged on the lower end surface of the supporting rod 3, the screw rod 6 is in threaded fit with the first nut 7, the pulley 5 is arranged on the top plate 2, and the traction rope 4 is suspended on the pulley 5.

The height of the supporting rod 3 is adjusted through the screw rod 6 and the first nut 7, the bottom plate 1 and the top plate 2 are respectively supported with the bottom wall and the top wall of the upper supporting beam and the lower supporting beam to be fixed, the lifting can be carried out through the pulley 5 and the traction rope 4, the structure is simple, the installation is easy, the occupied area is small, the lifting device is suitable for a scene that only the beam is arranged below the supporting system pallet to support the space, the non-structural bottom plate is not provided with large lifting equipment or lifting machinery, and other professional construction can not be influenced in the lifting process.

Example 2, which is a further improvement over example 1, is as follows:

The bottom plate 1 top is provided with fixed cover 9 down, is provided with adjusting sleeve 10 between bracing piece 3 and the fixed cover 9 down, and the lower extreme at bracing piece 3 and the upper end of fixed cover 9 down are established to the cover 10 cover respectively, and the upper end of fixed cover 9 down is provided with second nut 20, and screw rod 6 coaxial is fixed inside adjusting sleeve 10, and the first half and the lower half screw thread opposite direction of screw rod 6, first nut 7 and second nut 20 respectively with the upper half and the lower half screw thread connection of screw rod 6.

The height adjustment can be realized by only rotating the adjusting sleeve 10 in the adjustment process, the whole bottom plate 1 is not required to be driven to rotate, more labor is saved, the upper half part and the lower half part of the screw rod 6 are opposite in screw thread direction, the adjustment efficiency is higher, in specific implementation, the section of the adjusting sleeve 10 is designed to be non-circular, can be pentagonal, hexagonal or octagonal, is preferably hexagonal, can be rotated and adjusted by means of a spanner, more labor is saved, in addition, bolts are respectively arranged at the upper end and the lower end of the adjusting sleeve, and the adjusting sleeve can be locked by screwing the bolts after the adjustment is finished.

Example 3, which is a further improvement over example 2, is specifically as follows:

Still include installation cover 21, first nut 7 sets up in installation cover 21 lower extreme, and roof 2 below is provided with fixed cover 8, and the both ends of bracing piece 3 can be dismantled respectively and connect between installation cover 21 and upper fixed cover 8.

The support rods 3 can be obtained on site according to requirements, the support rods 3 can be fixed between the upper fixing sleeve 8 and the mounting sleeve 21 through bolts, in specific implementation, the support rods 3 with the height similar to that of the upper support beam and the lower support beam can be selected, the expansion and adjustment efficiency of the device can be improved, in addition, the detachable connection mode is more convenient to transport and store, and support edges 11 are respectively arranged between the upper fixing sleeve 8 and the top plate 2 and between the lower fixing sleeve 9 and the bottom plate 1 so as to play a supporting role, and the fixing is firmer.

Example 4, this example is a further improvement over example 3, which is specifically as follows:

A limiting piece 12 is arranged below the supporting rod 3 at the middle part in the mounting sleeve 21. The limiting piece 12 can prevent the supporting rod 3 from sliding downwards when bearing force is applied.

Example 5, which is a further improvement over example 1, is as follows:

The lower end face of the top plate 2 is provided with a slide bar 13, a slide block 14 is connected to the slide bar 13 in a sliding manner, and the pulley 5 is connected below the slide block 14. The position of the pulley 5 can be adjusted according to the requirements, and friction between the traction rope 4 and the side wall of the supporting beam is avoided.

Example 6, which is a further improvement over example 5, is specifically as follows:

The slide block 14 is T-shaped, a T-shaped slide groove 15 is arranged in the slide bar 13 along the length direction, and the slide block 14 slides in the T-shaped slide groove 15. Simple structure and lower production cost.

Example 7, which is a further improvement over example 6, is specifically as follows:

The top of the pulley 5 is connected with a positioning bolt 16, a threaded hole 17 is formed in the sliding block 14 in a penetrating mode, and the positioning bolt 16 is in threaded fit with the threaded hole 17. When the positioning bolt 16 is screwed down, the upper end face of the positioning bolt 16 abuts against the upper end face of the T-shaped chute 15, positioning is achieved, and shaking of the traction rope 4 caused by movement of the pulley 5 in the hoisting process is avoided.

Example 8, which is a further improvement over example 1, is as follows:

The traction rope also comprises a motor 18, a rotating shaft of the motor 18 is connected with a winding wheel 19, and one end of the traction rope 4 is connected with the winding wheel 19. The motor 18 drives the winding wheel 19 to wind and unwind, replaces the traditional manual pulling mode, and greatly improves the efficiency.

Example 9, which is a further improvement over example 1, is as follows:

The hauling rope 4 is a steel wire rope or an iron chain. The bearing is better, and the security is higher.

While embodiments of the present utility model have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the utility model, and that variations, modifications, alternatives and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the utility model.

Claims (9)

1. The utility model provides a lifting device under landing stage board, its characterized in that includes bottom plate (1), roof (2), bracing piece (3), haulage rope (4) and pulley (5), bracing piece (3) connect in between bottom plate (1) with roof (2), bottom plate (1) up end is provided with screw rod (6), the lower terminal surface of bracing piece (3) is provided with first nut (7), screw rod (6) with first nut (7) screw-thread fit, pulley (5) set up on roof (2), haulage rope (4) hang with on pulley (5).

2. The lifting device under a trestle plate according to claim 1, characterized in that a lower fixing sleeve (9) is arranged above the bottom plate (1), an adjusting sleeve (10) is arranged between the supporting rod (3) and the lower fixing sleeve (9), the adjusting sleeve (10) is respectively sleeved at the lower end of the supporting rod (3) and the upper end of the lower fixing sleeve (9), a second nut (20) is arranged at the upper end of the lower fixing sleeve (9), the screw rod (6) is coaxially fixed inside the adjusting sleeve (10), the upper half part and the lower half part of the screw rod (6) are opposite in thread direction, and the first nut (7) and the second nut (20) are respectively in threaded connection with the upper half part and the lower half part of the screw rod (6).

3. The lifting device under a trestle plate according to claim 2, further comprising a mounting sleeve (21), wherein the first nut (7) is arranged at the lower end of the mounting sleeve (21), an upper fixing sleeve (8) is arranged below the top plate (2), and two ends of the supporting rod (3) are respectively detachably connected between the mounting sleeve (21) and the upper fixing sleeve (8).

4. A lifting device under a trestle plate according to claim 3, characterized in that a limiting piece (12) is arranged in the middle of the mounting sleeve (21) below the supporting rod (3).

5. The lifting device under a trestle plate according to claim 1, characterized in that a sliding rod (13) is arranged on the lower end face of the top plate (2), a sliding block (14) is connected to the sliding rod (13) in a sliding manner, and the pulley (5) is connected to the lower portion of the sliding block (14).

6. The lifting device under a trestle plate according to claim 5, characterized in that the sliding block (14) is of a T shape, a T-shaped sliding groove (15) is arranged in the sliding rod (13) along the length direction of the sliding rod, and the sliding block (14) slides in the T-shaped sliding groove (15).

7. The lifting device under the trestle plate according to claim 6, characterized in that a positioning bolt (16) is connected to the top of the pulley (5), a threaded hole (17) is formed in the sliding block (14) in a penetrating manner, and the positioning bolt (16) is in threaded fit with the threaded hole (17).

8. The lifting device under the trestle plate according to claim 1, further comprising a motor (18), wherein a rotating shaft of the motor (18) is connected with a winding wheel (19), and one end of the traction rope (4) is connected with the winding wheel (19).

9. The lifting device under the trestle plate according to claim 1, characterized in that the hauling rope (4) is a steel wire rope or an iron chain.