Small steel structure hoisting and mounting device

Abstract

The utility model relates to the technical field of steel structure hoisting, in particular to a small steel structure hoisting and mounting device. The device comprises a bottom plate and a hoisting mechanism arranged on the bottom plate, the hoisting mechanism comprises telescopic rods symmetrically hinged to the bottom plate, bearing rods arranged at the upper ends of the telescopic rods, cantilevers fixedly connected to the bearing rods and winch lifting assemblies arranged on the cantilevers, a baffle is fixedly connected to the bottom plate, and when the telescopic rods are in a vertical state, the baffle is fixedly connected to the bottom plate; the inner side wall of the baffle is attached to the outer side wall of the telescopic rod, the upper end of the telescopic rod is hinged to a folding ladder, and a clamping groove matched with the lower end of the folding ladder is formed in the bottom plate. The device can be folded and contracted, the space proportion of the device is greatly reduced, and storage and transportation are convenient; the device can flexibly adjust the equipment position according to the installation position, and the installation efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to steel structure hoisting technical field, concretely is a small -size steel structure hoisting installation device. BACKGROUND

[0002] Steel structure building is the building of the load -bearing structure with building steel. Usually by the beam, column, truss etc. of section steel and steel plate are made of component and constitute the load -bearing structure, and the welding seam, bolt or rivet connection is usually used between each component or part. Steel structure building compared with brick and concrete structure building has obvious advantages in environmental protection, energy saving, high efficiency, factory production etc.

[0003] In the process of installing steel structure, the staff usually needs steel structure hoisting equipment to cooperate with the installation, but the existing steel structure hoisting equipment is usually integrated structure, which cannot be folded or disassembled after the completion of the construction project, occupies a large storage space, and is not convenient for the staff to transport it to the next construction site.

[0004] Chinese patent CN202323284884.1 discloses a steel structure suspension support, and the publication number CN221070769U. The device includes a connecting plate, which is fixedly installed on the support frame, and a stand is fixedly installed on the connecting plate. The top end of the stand is fixedly installed with a rotating device. The suspension plate is fixedly connected with the rotating device, and the suspension plate is provided with a winding seat. The winding hoisting device is detachably installed on the winding seat. The adjusting and stabilizing assembly is connected with the support frame and is installed in cooperation with the stand. The adjusting and stabilizing assembly includes a placing unit and an adjusting counterweight unit. However, the device has some defects: the main structure of the device cannot be folded or disassembled, the space occupation is large, and transportation is not convenient, which indirectly increases the transportation cost. UTILITY MODEL CONTENTS

[0005] In order to solve the above problems of the prior art, the utility model provides a small -size steel structure hoisting installation device, which can be folded and contracted, greatly reducing the space occupation of the device, and facilitating storage and transportation.

[0006] In order to achieve the above purpose, the utility model provides the following technical scheme: a small -size steel structure hoisting installation device, including the bottom plate, the hoisting mechanism arranged on the bottom plate, the hoisting mechanism includes the telescopic rod symmetrically hinged on the bottom plate, the load bearing rod arranged on the upper end of the telescopic rod, the cantilever fixedly connected on the load bearing rod, the winch lifting assembly arranged on the cantilever, the bottom plate is fixedly connected with the baffle, when the telescopic rod is in the vertical state, the inner side wall of the baffle is matched with the outer side wall of the telescopic rod, the upper end of the telescopic rod is hinged with the folding ladder, and the bottom plate is provided with the clamping groove matched with the lower end of the folding ladder.

[0007] Adopt the above structure design, can be folded to shrink this device, greatly reduce the space of this device, convenient for storage and transportation.

[0008] Preferably, the telescopic rod comprises a first rod fixedly connected to the bearing rod at the upper end, a second rod sleeved on the first rod, and a positioning bolt penetrating through the first rod and the second rod, the lower end of the second rod being hingedly connected to the bottom plate.

[0009] Adopt the above structure design, simple structure, flexible telescopic and fixed.

[0010] Preferably, the baffle is hingedly connected to the lower end of the support rod, the upper end of the support rod being connected to the second rod when the telescopic rod is in the vertical state, the upper end of the support rod being provided with a fixed bolt, and the fixed bolt penetrating through the second rod.

[0011] Adopt the above structure design, when the telescopic rod is adjusted to the vertical state, the telescopic rod can be reinforced to prevent the telescopic rod from being folded, thereby increasing the stability of the telescopic rod.

[0012] Preferably, the folding ladder comprises an upper ladder body hingedly connected to the upper end of the first rod, and a lower ladder body hingedly connected to the upper ladder body, the lower end of the upper ladder body being fixedly connected to a first clamping plate with an L-shaped cross section, the upper end of the lower ladder body being fixedly connected to a second clamping plate with an L-shaped cross section, fastening bolts penetrating through the long edges of the first clamping plate and the second clamping plate in sequence, and the long edge of the first clamping plate being hingedly connected to the short edge of the second clamping plate.

[0013] Adopt the above structure design, the staff can go up and down by means of the ladder, and then adjust the installation position of the steel member.

[0014] Preferably, the winch lifting assembly comprises a fixed pulley fixedly connected to the cantilever, a hoisting rope penetrating through the fixed pulley, and a winch fixedly connected to the fixed end of the hoisting rope, the free end of the hoisting rope being wound around the fixed pulley, a movable pulley being wound on the hoisting rope, a hook being fixedly connected to the movable pulley, and the free end of the hoisting rope being fixedly connected to the cantilever.

[0015] Adopt the above structure design, the pulley block is used to hoist the steel member, which is more flexible, labor-saving and convenient.

[0016] Preferably, a positioning block is fixedly connected to the bottom plate, a lifting column is threadedly connected to the positioning block, the lower end of the lifting column is fixedly connected to the bottom plate, a rubber pad is fixedly connected to the lower surface of the bottom plate, and an auxiliary turntable is fixedly connected to the upper end of the lifting column.

[0017] Adopt the above structure design, the friction between the device and the ground can be increased to prevent the device from slipping during use and reduce the occurrence of safety hazards.

[0018] Compared with the prior art, the utility model has the advantages of

[0019] 1) the device can be folded and contracted, greatly reducing the space ratio of the device, facilitating storage and transportation.

[0020] 2) the device can flexibly adjust the equipment position according to the installation position, improving the installation efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is a structural schematic view of the utility model;

[0022] Figure 2 It is a structural schematic view of the utility model from the top;

[0023] Figure 3 It is a structural schematic view of the folding ladder of the utility model; DETAILED DESCRIPTION

[0024] Please refer to Figure 1 、 Figure 2 、 Figure 3 The utility model provides a kind of technical scheme: a small steel structure hoisting installation device, including bottom plate 1, hoisting mechanism being arranged on bottom plate 1, hoisting mechanism includes telescopic link 2 being symmetrically hinged on bottom plate 1, load-bearing rod 31 being arranged on the upper end of telescopic link 2, cantilever 32 being fixedly connected on load-bearing rod 31, winch lifting assembly being arranged on cantilever, the inner side wall of baffle 4 is matched with the outer side wall of telescopic link 2 when telescopic link 2 is in vertical state, the upper end of telescopic link 2 is hinged folding ladder 5, bottom plate 1 is opened with the clamping groove 59 matched with the lower end of folding ladder 5.

[0025] To prevent folding ladder 5 from slipping, blocking plate is fixedly connected on the left side of clamping groove 59.

[0026] To facilitate the movement of the device, four universal wheels with brake function are fixedly connected to the lower surface of bottom plate 1.

[0027] To make cantilever 32 also fold, further reduce the space ratio of the device, cantilever 32 is hinged on load-bearing rod 31, cantilever 32 and load-bearing rod 31 are on the same plane, diagonal brace 33 is hinged on load-bearing rod 31, mounting hole is opened on the upper end of diagonal brace 33 and cantilever 32, when diagonal brace 33 is turned to cantilever 32, staff can use bolt to fix diagonal brace 33 and cantilever 32 together.

[0028] The telescopic link 2 includes the first link 21 fixedly connected on the load-bearing rod 31, the second link 22 sleeved on the first link 21, the positioning bolt 23 penetrating the first link 21 and the second link 22, and the lower end of the second link 22 is hinged on the bottom plate 1.

[0029] The baffle 4 is hingedly connected to the lower end of a support rod 41, the upper end of the support rod 41 is connected to the second rod 22 when the telescopic rod 2 is in the vertical state, the upper end of the support rod 41 is provided with a fixing bolt 42, the fixing bolt 42 penetrates the second rod 22.

[0030] The folding ladder 5 comprises an upper ladder body 51 hingedly connected to the upper end of the first rod 21, and a lower ladder body 52 hingedly connected to the upper ladder body 51, the lower end of the upper ladder body 51 is fixedly connected to a first clamping plate 53 with an L-shaped cross section, the upper end of the lower ladder body 52 is fixedly connected to a second clamping plate 54 with an L-shaped cross section, the first clamping plate 53 can be clamped with the second clamping plate 54, the long edges of the first clamping plate 53 and the second clamping plate 54 are sequentially penetrated by a fastening bolt 55, and the long edge of the first clamping plate 53 is hingedly connected to the short edge of the second clamping plate 54.

[0031] As shown in Figure 2 The hoisting assembly comprises a fixed pulley 61 fixedly connected to the cantilever 32, a hoisting rope 62 penetrating the fixed pulley 61, and a hoist 63 fixedly connected to the fixed end of the hoisting rope 62, the free end of the hoisting rope 62 is wound around the fixed pulley 61, a movable pulley 64 is wound on the hoisting rope 62, a hook 65 is fixedly connected to the movable pulley 64, and the free end of the hoisting rope 62 is fixedly connected to the cantilever 32.

[0032] As shown in Figure 1 , Figure 2 In order to facilitate the folding and storage of the hoisting mechanism, the hoist 63 is fixedly connected to the tail end of the bottom plate 1, at the same time, the hoist 63 can also serve as a counterweight, guide pulleys are fixedly connected to the lower surface and the side surface of the bottom plate 1, the free end of the hoisting rope 62 is fixedly connected to the cantilever 32, the fixed end of the hoisting rope 62 is first wound around the movable pulley 64, then penetrates the fixed pulley 61 on the cantilever 32, then penetrates downward through the bottom plate 1, then penetrates the guide pulleys on the lower surface and the side surface of the bottom plate 1 in sequence, and finally the fixed end of the hoisting rope 62 is fixed to the hoist 63.

[0033] The bottom plate 1 is fixedly connected with a positioning block 71, the positioning block 71 is threadedly connected with a lifting column 72, the lower end of the lifting column 72 is fixedly connected with a bottom plate 73, the lower surface of the bottom plate 73 is fixedly connected with a rubber pad 74, and the upper end of the lifting column 72 is fixedly connected with an auxiliary rotating disc 75.

[0034] In use, first, the worker unfolds the device, the worker stretches the telescopic rod 5, then fixes the first rod 21 and the second rod 22 by using the positioning bolt 23, then the worker unfolds the folding ladder 5, inserts the lower end of the folding ladder 5 into the clamping groove 59, then fastens and connects the lower ladder body 52 and the upper ladder body 51 by using the fastening bolt 55, then the worker fastens and connects the supporting rod 41 and the second rod 22 by using the fixing bolt 42, then fixes the inclined support rod 33 and the cantilever 32 by using the bolt, finally, the worker connects the hook 65 to the steel member, starts the winch 63, and then lifts the steel member, when the steel member is lifted to the installation position, the worker climbs by using the folding ladder 5, the worker checks the installation position, after checking, the worker can fix the steel member;

[0035] When the project is completed, the worker can remove the bolt, fold and shrink the device, store it, or transport it to the next construction project.

[0036] The structure, proportion, size and the like shown in the drawings of the specification are only used to cooperate with the content disclosed in the specification, to be understood and read by those skilled in the art, and do not define the limiting conditions for the implementation of the utility model, so they do not have substantial technical significance, any modification of structure, change of proportion relationship or adjustment of size, without affecting the effects and purposes that the utility model can produce, should still fall within the scope of the technical content disclosed by the utility model. At the same time, the terms such as "upper", "lower", "left", "right", "middle" and "one" in the specification are only for the convenience of clear description, and are not used to limit the scope of the utility model, the change or adjustment of the relative relationship is also regarded as the implementation of the utility model without substantial changes in technical content.

[0037] The above describes the utility model by referring to the preferred embodiment, but the protection scope of the utility model is not limited to this, all technical solutions falling within the scope of the claims are within the protection scope of the utility model. Various improvements can be made to it and equivalent parts can be replaced without departing from the scope of the utility model. In particular, as long as there is no structural conflict, each technical feature mentioned in each embodiment can be combined in any way.

Claims

1. A small steel structure lifting and installation device, comprising a base plate (1) and a lifting mechanism mounted on the base plate (1), characterized in that: The lifting mechanism includes a telescopic rod (2) symmetrically hinged to a base plate (1), a bearing rod (31) set at the upper end of the telescopic rod (2), a cantilever (32) fixedly connected to the bearing rod (31), and a hoisting lifting assembly set on the cantilever. A baffle (4) is fixedly connected to the base plate (1). When the telescopic rod (2) is in a vertical state, the inner side wall of the baffle (4) is in contact with the outer side wall of the telescopic rod (2). A folding ladder (5) is hinged to the upper end of the telescopic rod (2). A slot (59) matching the lower end of the folding ladder (5) is opened on the base plate (1).

2. The small steel structure lifting and installation device according to claim 1, characterized in that: The telescopic rod (2) includes a first rod (21) fixedly connected to the upper end of the bearing rod (31), a second rod (22) sleeved on the first rod (21), and a positioning bolt (23) passing through the first rod (21) and the second rod (22). The lower end of the second rod (22) is hinged to the base plate (1).

3. The small steel structure lifting and installation device according to claim 2, characterized in that: The baffle (4) is hinged to the lower end of the support rod (41). When the telescopic rod (2) is in a vertical state, the upper end of the support rod (41) is connected to the second rod. The upper end of the support rod (41) is fitted with a fixing bolt (42), which passes through the second rod (22).

4. A small steel structure lifting and installation device according to claim 2, characterized in that: The folding ladder (5) includes an upper ladder body (51) hinged to the upper end of the first rod (21) and a lower ladder body (52) hinged to the upper ladder body (51). The lower end of the upper ladder body (51) is fixedly connected to a first clamping plate (53) with an L-shaped cross section, and the upper end of the lower ladder body (52) is fixedly connected to a second clamping plate (54) with an L-shaped cross section. Fastening bolts (55) are sequentially passed through the long sides of the first clamping plate (53) and the second clamping plate (54). The long side of the first clamping plate (53) and the short side of the second clamping plate (54) are hinged together.

5. A small steel structure lifting and installation device according to claim 1, characterized in that: The hoisting assembly includes a fixed pulley (61) fixedly connected to the cantilever (32), a lifting rope (62) passing through the fixed pulley (61), and a winch (63) fixedly connected to the fixed end of the lifting rope (62). The free end of the lifting rope (62) passes around the fixed pulley (61), and a movable pulley (64) is wound around the lifting rope (62). A hook (65) is fixedly connected to the movable pulley (64), and the free end of the lifting rope (62) is fixedly connected to the cantilever (32).

6. A small steel structure lifting and installation device according to any one of claims 1 to 5, characterized in that: A positioning block (71) is fixedly connected to the base plate (1), and a lifting column (72) is threadedly connected to the positioning block (71). The lower end of the lifting column (72) is fixedly connected to the base plate (73), and a rubber pad (74) is fixedly connected to the lower surface of the base plate (73). An auxiliary turntable (75) is fixedly connected to the upper end of the lifting column (72).

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