CN216105555U - Adjustable assembly type building stair component hoisting tool - Google Patents

Abstract

The utility model discloses a lifting tool for an adjustable assembly type building stair component, which comprises a cross beam, wherein a connecting lifting ring is fixedly installed at the top end of the cross beam, a tower crane steel cable is sleeved at the top end of the connecting lifting ring, moving hanging frames are slidably installed at two ends of the cross beam, sliding blocks are fixedly installed on two sides of the inner wall of each moving hanging frame, first sliding grooves are formed in two sides of the cross beam corresponding to the sliding blocks, limiting bolts are movably installed on two sides of each moving hanging frame, a reset spring is sleeved at one end, away from each other, of each limiting bolt, traction wheels are connected and installed at two sides of the bottom end of the cross beam, a telescopic cylinder is fixedly installed at the bottom end of the cross beam, adjusting wheels are fixedly installed at the bottom ends of the telescopic cylinders, slings are connected and installed on the traction wheels and the adjusting wheels, and a supporting and adjusting mechanism is slidably installed at the middle ends of the slings. The utility model effectively ensures the hoisting effect, improves the hoisting balance, enhances the hoisting stability and ensures the hoisting safety.

Description

Adjustable assembly type building stair component hoisting tool

Technical Field

The utility model relates to the technical field of hoisting tools, in particular to a hoisting tool for an adjustable assembly type building stair member.

Background

With the rapid development of the urbanization in China, the population density of cities is getting bigger and bigger, the demand of people on houses is more and more urgent, the buildings are higher in storey, larger in size and higher in complexity, the traditional buildings are constructed on site, the problems of building quality risks caused by the technical level of constructors and low construction efficiency exist, and the industrial production technology of the buildings refers to the centralized production and processing of all parts of the buildings (such as columns, beams, floors, stairs and the like) in factories for on-site transportation, assembly and construction.

In the conventional hoisting construction of the prefabricated staircase for the building, a steel wire rope is directly hung on a reserved opening of the staircase, so that the hoisting process is unstable and easy to shake, and potential safety hazards exist; the steel wire rope is easy to damage the reserved opening of the finished stair, and the construction quality is poor; because the length of the steel wire rope is not uniform when the prefabricated staircase is hung, the prefabricated staircase cannot be longitudinally vertical and horizontally horizontal when being laid, the chain block on the steel wire rope on one side needs to be adjusted for many times, the length of the steel wire is adjusted, the prefabricated staircase can be longitudinally vertical and horizontally arranged when being installed at a designed position, the construction efficiency is low, and the safety guarantee is required to be improved, labor and time are wasted.

Disclosure of Invention

The utility model aims to provide a lifting appliance of an adjustable assembly type building stair member, which aims to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: the lifting device comprises a cross beam, cross beam top fixed mounting has a connection rings, it establishes and installs the tower crane cable wire to connect rings top cover, cross beam both ends slidable mounting has the removal gallows, remove the equal fixed mounting in gallows inner wall both sides has the slider, the cross beam both sides correspond first spout has been seted up to the slider, remove gallows both sides movable mounting has spacing bolt, cross beam bottom both sides are connected and are installed the traction wheel, cross beam bottom fixed mounting has telescopic cylinder, telescopic cylinder bottom fixed mounting has the regulating wheel, connect on traction wheel and the regulating wheel and install the hoist cable, hoist cable middle-end slidable mounting has a support adjustment mechanism, the hoist cable both ends are all connected and are installed the lifting hook.

Preferably, support adjustment mechanism and include the alignment jig, the second spout has been seted up to alignment jig inner wall both sides, one side slidable mounting that the second spout is close to each other has the sleeve pipe, one side that the sleeve pipe is close to each other all rotates installs the stretcher, the one end that the stretcher is close to each other rotates and installs the screwed pipe, the screwed pipe both ends are rotated and are installed the lead screw, lead screw bottom fixed mounting has the rotation handle, the lead screw both ends are the installation of two sections reverse screw threads, sleeve pipe and hoist cable sliding connection.

Preferably, the two ends of the cross beam are provided with limiting holes corresponding to the limiting bolts, and one end of the limiting bolt penetrates through the movable hanging bracket and extends into the limiting holes.

Preferably, two ends of the sling are fixedly provided with limiting blocks.

Preferably, the bottom ends of the beam and the telescopic cylinder are fixedly provided with guide wheel frames, and the traction wheel and the adjusting wheel are rotatably connected with the corresponding guide wheel frames.

Preferably, the middle end of the tower crane steel cable is connected with a connecting mechanism.

Preferably, the limit bolt is sleeved with a reset spring, the length of the reset spring in a free state is smaller than that of the limit bolt, one end of the reset spring is fixed to the head of the limit bolt, the other end of the reset spring is fixed to the movable hanging bracket, and when the reset spring is in the free state, the tail of the limit bolt can penetrate through the movable hanging bracket and stretch into the limit hole.

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

1. the utility model connects the beam with the tower crane by using the tower crane steel cable, rotates the screw rod by rotating the handle, the screwed pipes at the two ends of the screw rod move in opposite or opposite directions, thereby controlling the stretching frame to open or close to drive the sleeve to move along the second sliding groove, adjusting the distance between the slings to be the same as the width of the prefabricated staircase, pulling out the reset spring from the limiting hole, stretching the reset spring in the pulling-out process, utilizing the slide block to enable the movable hanging bracket to slide along the first sliding groove to adjust the distance between the two sets of slings, then the limit bolt is loosened, the reset spring pulls the limit bolt to be inserted into the limit holes at the two sides of the beam for fixing, the sling is connected with the prefabricated staircase through the lifting hook, and the prefabricated staircase is lifted by using the tower crane, so that the adjustment is convenient, the structure is simple, the lifting effect is effectively ensured, the lifting balance is improved, and the shaking problem is solved;

2. the utility model also controls the up-and-down movement of the adjusting wheel through the extension or contraction of the telescopic cylinder, when the telescopic cylinder is contracted, the adjusting wheel reduces the pressure on the sling, the two ends of the sling extend downwards along the traction wheels, when the telescopic cylinder is extended, the adjusting wheel supports against the sling and presses downwards, and the sling is retracted through the traction wheels, wherein the two traction wheels can well control the same length of the sling in the same group, ensure the transverse level, adjust the length between different groups of slings according to the specification length of the prefabricated staircase, ensure the integral balance of the prefabricated staircase during lifting, enhance the lifting stability, ensure the safety guarantee of lifting, and have good use effect.

Drawings

FIG. 1 is a schematic view of the overall structure of a lifting tool for an adjustable fabricated building stair member according to the present invention;

FIG. 2 is a schematic diagram of a side view of a lifting device for an adjustable fabricated building stair member according to the present invention;

fig. 3 is a schematic structural diagram of a support adjusting mechanism in a hoisting tool of an adjustable assembly type building stair member.

In the figure: 1. a cross beam; 2. connecting a lifting ring; 3. a tower crane steel cable; 4. moving the hanger; 5. a slider; 6. a first chute; 7. a limiting bolt; 8. a return spring; 9. a traction wheel; 10. a telescopic cylinder; 11. an adjustment wheel; 12. a sling; 13. a support adjustment mechanism; 1301. an adjusting bracket; 1302. a second chute; 1303. a sleeve; 1304. an extension frame; 1305. a threaded pipe; 1306. a screw rod; 1307. rotating the handle; 14. and (4) a lifting hook.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: including crossbeam 1, 1 top fixed mounting of crossbeam has connection rings 2, 2 top covers of connection rings are established and are installed tower crane cable wire 3, 1 both ends slidable mounting of crossbeam has removal gallows 4, the equal fixed mounting in 4 inner wall both sides of removal gallows has slider 5, 1 both sides of crossbeam correspond slider 5 and have been seted up first spout 6, 4 both sides movable mounting of removal gallows has spacing bolt 7, 1 bottom both sides of crossbeam are connected and are installed traction wheel 9, 1 bottom fixed mounting of crossbeam has telescopic cylinder 10, telescopic cylinder 10 bottom fixed mounting has regulating wheel 11, connect on traction wheel 9 and the regulating wheel 11 and install hoist cable 12, 12 middle-end slidable mounting of hoist cable has support adjustment mechanism 13, 12 both ends of hoist cable are all connected and are installed lifting hook 14.

The supporting and adjusting mechanism 13 comprises an adjusting frame 1301, wherein second sliding grooves 1302 are formed in two sides of the inner wall of the adjusting frame 1301, sleeves 1303 are slidably mounted on the sides, close to each other, of the second sliding grooves 1302, extending frames 1304 are rotatably mounted on the sides, close to each other, of the sleeves 1303, threaded pipes 1305 are rotatably mounted at one ends, close to each other, of the extending frames 1304, lead screws 1306 are rotatably mounted at two ends of the threaded pipes 1305, rotating handles 1307 are fixedly mounted at the bottom ends of the lead screws 1306, two ends of each lead screw 1306 are mounted in two opposite threads, and the sleeves 1303 are slidably connected with the suspension ropes 12; two ends of the cross beam 1 are provided with limiting holes corresponding to the limiting bolts 7, and one end of each limiting bolt 7 penetrates through the movable hanging bracket 4 and extends into each limiting hole; limiting blocks are fixedly arranged at two ends of the sling 12; the bottom ends of the beam 1 and the telescopic cylinder 10 are fixedly provided with guide wheel frames, and the traction wheel 9 and the adjusting wheel 11 are rotationally connected with the corresponding guide wheel frames; the middle end of the tower crane steel cable 3 is connected with a connecting mechanism; the cover is equipped with reset spring 8 on the spacing bolt 7, and the length under the 8 free state of reset spring is less than 7 lengths of spacing bolt, and 8 tip of reset spring are fixed at 7 heads of spacing bolt, and another tip is fixed on removing gallows 4, and when reset spring 8 was in free state, 7 afterbody of spacing bolt can run through and remove gallows 4 and stretch into spacing downthehole.

The working principle is as follows: when the utility model is used, the cross beam 1 is connected with the tower crane by using the tower crane steel cable 3, the screw rod 1306 is rotated by rotating the handle 1307, the threaded pipes 1305 at the two ends of the screw rod 1306 move in opposite directions or opposite directions, thereby controlling the opening or closing of the extending frame 1304, driving the sleeve 1303 to move along the second chute 1302, adjusting the distance between the slings 12 to be the same as the width of the prefabricated staircase, pulling out the reset spring 8 from the limiting hole, pulling the reset spring 8 in the pulling process, then using the sliding block 5 to make the mobile hanger 4 slide along the first chute 6 to adjust the distance between the two sets of slings 12, then loosening the limiting bolt 7, retracting the reset spring 8 to pull the limiting bolt 7 to be inserted into the limiting holes at the two sides of the cross beam 1 for fixing, connecting the slings 12 with the prefabricated staircase by the lifting hook 14, using the tower crane to lift, controlling the up and down movement of the adjusting wheel 11 by the extension or contraction of the telescopic cylinder 10, when the telescopic cylinder 10 contracts, the adjusting wheels 11 reduce the pressure on the slings 12, the two ends of the slings 12 extend downwards along the traction wheels 9, when the telescopic cylinder 10 extends, the adjusting wheels 11 abut against the slings 12 and press downwards, the slings 12 are recovered through the traction wheels 9, the two traction wheels 9 can well control the lengths of the slings 12 in the same group to be the same, the transverse level is guaranteed, the lengths between different groups of slings 12 are adjusted according to the specification length of the prefabricated staircase, and the integral balance of the prefabricated staircase during lifting is guaranteed.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. The utility model provides a hoist and mount apparatus of adjustable prefabricated building stair component, includes crossbeam (1), its characterized in that: the tower crane lifting device is characterized in that a connecting lifting ring (2) is fixedly arranged at the top end of the cross beam (1), a tower crane steel cable (3) is sleeved at the top end of the connecting lifting ring (2), movable lifting frames (4) are arranged at two ends of the cross beam (1) in a sliding manner, sliders (5) are fixedly arranged on two sides of the inner wall of each movable lifting frame (4), first sliding grooves (6) are formed in two sides of the cross beam (1) corresponding to the sliders (5), limiting bolts (7) are movably arranged on two sides of each movable lifting frame (4), traction wheels (9) are connected and arranged on two sides of the bottom end of the cross beam (1), telescopic cylinders (10) are fixedly arranged at the bottom end of the cross beam (1), adjusting wheels (11) are fixedly arranged at the bottom ends of the telescopic cylinders (10), slings (12) are connected and arranged on the traction wheels (9) and the adjusting wheels (11), and supporting and adjusting mechanisms (13) are slidably arranged at the middle ends of the slings (12), lifting hooks (14) are connected and arranged at two ends of the sling (12).

2. The adjustable fabricated building stair component lifting tool of claim 1, wherein: the supporting and adjusting mechanism (13) comprises an adjusting frame (1301), wherein second sliding grooves (1302) are formed in two sides of the inner wall of the adjusting frame (1301), sleeves (1303) are arranged on one sides, close to each other, of the second sliding grooves (1302) in a sliding mode, extending frames (1304) are arranged on one sides, close to each other, of the sleeves (1303) in a rotating mode, threaded pipes (1305) are arranged at one ends, close to each other, of the extending frames (1304) in a rotating mode, lead screws (1306) are arranged at two ends of each threaded pipe in a rotating mode, rotating handles (1307) are fixedly arranged at the bottom ends of the lead screws (1306), two ends of each lead screw (1306) are arranged in two reverse threaded modes, and the sleeves (1303) are connected with slings (12) in a sliding mode.

3. The adjustable fabricated building stair component lifting tool of claim 1, wherein: the two ends of the cross beam (1) are provided with limiting holes corresponding to the limiting bolts (7), and one end of each limiting bolt (7) penetrates through the movable hanging bracket (4) and extends into each limiting hole.

4. The adjustable fabricated building stair component lifting tool of claim 1, wherein: and two ends of the sling (12) are fixedly provided with limiting blocks.

5. The adjustable fabricated building stair component lifting tool of claim 1, wherein: the bottom ends of the beam (1) and the telescopic cylinder (10) are fixedly provided with guide wheel frames, and the traction wheel (9) and the adjusting wheel (11) are rotatably connected with the corresponding guide wheel frames.

6. The adjustable fabricated building stair component lifting tool of claim 1, wherein: the middle end of the tower crane steel cable (3) is connected with a connecting mechanism.

7. The adjustable fabricated building stair component lifting tool of claim 3, wherein: the cover is equipped with reset spring (8) on spacing bolt (7), and length under reset spring (8) free state is less than spacing bolt (7) length, and reset spring (8) one end is fixed at spacing bolt (7) head, and another tip is fixed on removing gallows (4), and when reset spring (8) were in free state, spacing bolt (7) afterbody can run through and remove gallows (4) and stretch into spacing downthehole.

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