Foldable mechanical lifting frame

Abstract

The utility model belongs to the technical field of mechanical engineering, and particularly relates to a foldable mechanical lifting frame. Comprising two fixed supports which are fixed with an upper steel platform through bolts; the two guide rails are fixed to the upper steel platform through bolts. Pulleys are arranged at the two ends of the sliding support and slide along the two guide rails respectively; the upper parts of the outer supporting legs are fixed with the sliding support, and the lower parts of the outer supporting legs are fixed with the ground; the upper end of the internal inclined strut is fixed with the fixed support, and the lower end is connected with the ground; the two ends of the reinforcing plate are fixed to the two outer supporting legs through bolts. The upper end of the outer inclined strut is fixed with the sliding support, the lower end is connected with the ground, and the middle is connected with the inner inclined strut through a pin shaft; the upper portions of the two inner stand columns are fixed to the fixed support, the lower portions of the two inner stand columns are fixed to the ground, the size is small in the folded state, transportation and storage are convenient, and the portability and flexibility of equipment are greatly improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to mechanical engineering technical field especially relates to a foldable mechanical lifting frame. BACKGROUND

[0002] In the field of mechanical engineering, lifting equipment is a common device, mainly used to lift objects to a certain height. These devices are usually driven by electric motors or hydraulic systems, lifting heavy objects through steel wire ropes or chains. However, these devices are usually large in size, not convenient for transportation and storage.

[0003] The existing solution is mainly through the design of complex mechanical structure, so that the lifting equipment can be unfolded when needed, and folded up when not needed. These devices usually use electric motors or hydraulic systems to drive, lifting heavy objects through steel wire ropes or chains. In addition, some devices have a foldable design to facilitate transportation and storage.

[0004] Although the existing solution can solve the above problems to some extent, there are still some problems and shortcomings. First, the existing lifting equipment is usually large in size, not convenient for transportation and storage. Second, the existing foldable equipment, although foldable, its structure is usually complex and difficult to operate. In addition, the existing lifting equipment has certain problems in safety and stability. CONTENT OF THE UTILITY MODEL

[0005] The utility model solves the problems existing in the prior art: 1) the lifting equipment is large in size, not convenient for transportation and storage; 2) the existing foldable equipment has a complex structure and is difficult to operate; 3) the existing lifting equipment has problems in safety and stability.

[0006] The technical scheme of the utility model:

[0007] A foldable mechanical lifting frame, the mechanical lifting frame comprises: a fixed support 1, a guide rail 2, a sliding support 3, an outer leg 4, an inner diagonal brace 5, a reinforcing plate 6, an outer diagonal brace 7 and an inner stand 8;

[0008] The fixed support 1 is two, fixed with the upper steel platform by bolts;

[0009] The guide rail 2 is two, fixed with the upper steel platform by bolts;

[0010] The sliding support 3 is provided with pulleys at both ends and slides along the two guide rails 2 respectively;

[0011] The outer leg 4 is two, the upper part is fixed with the sliding support 3, and the lower part is fixed with the ground;

[0012] The inner diagonal brace 5 is fixed at the upper end with the fixed support 1 and connected at the lower end with the ground;

[0013] The two ends of the reinforcing plate 6 are fixed with the two outer legs 4 through bolts;

[0014] The upper end of the outer diagonal brace 7 is fixed with the sliding support 3, the lower end is connected with the ground, and the middle part is connected with the inner diagonal brace 5 through a pin shaft.

[0015] The inner vertical column 8 is two, the upper part is fixed with the fixed support 1, and the lower part is fixed with the ground.

[0016] Further,

[0017] A plurality of reinforcing ribs are arranged between the two inner vertical columns.

[0018] Further,

[0019] A plurality of reinforcing ribs are arranged between the two outer legs 4.

[0020] Further,

[0021] The upper part of the two outer legs 4 is fixed with the sliding support 3 through bolts and a pin shaft, and the lower part is fixed with the ground foundation through bolts.

[0022] Further,

[0023] The upper end of the inner diagonal brace 5 is fixed with the fixed support 1 through bolts and a pin shaft, and the lower end is connected with the ground foundation through a pin shaft.

[0024] Further,

[0025] The upper end of the outer diagonal brace 7 is fixed with the sliding support 3 through bolts and a pin shaft, the lower end is connected with the ground foundation through a pin shaft, and the middle part is connected with the inner diagonal brace 5 through a pin shaft.

[0026] Further,

[0027] The upper part of the two inner vertical columns 8 is fixed with the fixed support 1 through bolts and a pin shaft, and the lower part is fixed with the ground foundation through bolts.

[0028] Compared with the prior art, the beneficial effects of the technical scheme are as follows: 1. The lifting frame of the utility model adopts a large-scale foldable design, has a small volume in a folded state, is convenient to transport and store, and greatly improves the portability and flexibility of the equipment. 2. The lifting frame of the utility model is simple to operate, can be installed by using a crane, does not need a complex assembly process, and greatly improves the operability and working efficiency of the equipment. 3. The lifting frame of the utility model has remarkable improvement in safety and stability. Due to its simple structure, it is not prone to failure. BRIEF DESCRIPTION OF DRAWINGS

[0029] Figure 1 It is a schematic view of the fixed working state of the foldable lifting frame;

[0030] Figure 2Fig. 2 is a schematic view of a folding intermediate state of the foldable lifting frame;

[0031] Figure 3 Fig. 3 is a schematic view of a folding transport state of the foldable lifting frame;

[0032] 1 - fixed support; 2 - guide rail; 3 - sliding support; 4 - outer leg; 5 - inner diagonal brace; 6 - reinforcing plate; 7 - outer diagonal brace; 8 - inner upright column. DETAILED DESCRIPTION

[0033] The technical scheme of the present application will be described in detail below with reference to the drawings.

[0034] The foldable mechanical lifting frame provided by the embodiment of the present application mainly consists of seven parts, Figure 1 Fig. 1 shows a fixed lifting state.

[0035] Among them, part 1 is a fixed support, a total of two, fixed with the upper steel platform by bolts; part 2 is a guide rail, a total of two, also fixed with the upper steel platform by bolts; part 3 is a sliding support, which has a pulley on the top and can slide along part 2 guide rail; part 4 is an outer leg, a total of two, the upper part is fixed with the sliding support by bolts and pins, and the lower part is fixed with the ground foundation by bolts; part 5 is an inner diagonal brace, the upper end is fixed with the fixed support by bolts and pins, the lower end is connected with the ground foundation by pins, and the middle part is connected with part 7 inner leg by pins, mainly playing the role of supporting and maintaining the stability of the structure; part 6 is a reinforcing plate, fixed with part 4 outer leg by bolts, mainly playing the role of strengthening the stability of the structure; part 7 is an outer diagonal brace, the upper end is fixed with the sliding support by bolts and pins, the lower end is connected with the ground foundation by pins, and the middle part is connected with part 5 by pins, mainly playing the role of supporting and maintaining the stability of the structure; part 8 is an inner leg, the upper part is fixed with the fixed support by bolts and pins, and the lower part is fixed with the ground foundation by bolts.

[0036] When folding, first remove the equipment on the entire lifting frame, and then lift the entire lifting frame by a crane (bear the lifting weight). Then remove part 6 reinforcing plate, remove the bolts connecting part 4 and part 8 with the ground foundation, remove the bolts between part 4 and part 3, only keep the pins, remove the bolts between part 8 and part 1, and only keep the pins. Fold part 4 and part 8 inward to the intermediate state position as shown in Fig. 2, part 4 is fixed with part 7 by bolts through the reserved through hole, and part 8 is fixed with part 5 by bolts through the reserved through hole. Figure 2

[0037] Subsequently, control the crane to slowly lower the entire lifting frame, part 5 and part 7 are folded, and part 3 sliding support will slide right along part 2 guide rail until to the folding state as shown in Fig. 3. Figure 3

[0038] ​​After reaching the folded state, the piece 5 is bolted with the piece 3 through the reserved through hole, and the piece 7 is bolted with the piece 1 through the reserved through hole. At this time, the foldable lifting frame is folded, and can be transported and transferred.

[0039] The sequence of the folding transportation state changing into the working fixed state is reversed.

[0040] The above is the specific implementation steps of the embodiment, through these steps, the folding and use of the foldable mechanical lifting frame can be realized.

[0041] It can be widely applied in the fields of mechanical engineering, lifting equipment manufacturing and foldable structure design. The lifting frame of the utility model adopts simple structure design, has strong operability, reduces operation difficulty and improves work efficiency. In addition, the lifting frame of the utility model has also improved safety and stability, and can better meet the needs of various working conditions.

Claims

1. A foldable mechanical lift comprising: The mechanical lifting frame comprises fixed supports (1), guide rails (2), sliding supports (3), outer legs (4), inner braces (5), reinforcing plates (6), outer braces (7) and inner columns (8); The fixed supports (1) are two in number and are fixed to the upper steel platform by bolts; The guide rails (2) are two in number and are fixed to the upper steel platform by bolts; The sliding supports (3) are provided with pulleys at both ends and slide along the two guide rails (2) respectively; The outer legs (4) are two in number, the upper parts of which are fixed to the sliding supports (3) and the lower parts of which are fixed to the ground; The inner braces (5) are fixed at the upper ends to the fixed supports (1) and are connected at the lower ends to the ground; The reinforcing plates (6) are fixed at both ends to the two outer legs (4) by bolts; The outer braces (7) are fixed at the upper ends to the sliding supports (3) and are connected at the lower ends to the ground, and are connected at the middle part to the inner braces (5) by a pin shaft; The inner columns (8) are two in number, the upper parts of which are fixed to the fixed supports (1) and the lower parts of which are fixed to the ground.

2. The foldable mechanical lifting frame according to claim 1, characterized in that A plurality of reinforcing ribs are arranged between the two inner columns.

3. The foldable mechanical lifting frame according to claim 1, characterized in that A plurality of reinforcing ribs are arranged between the two outer legs (4).

4. The foldable mechanical lifting frame according to claim 1, characterized in that The upper parts of the two outer legs (4) are fixed to the sliding supports (3) by bolts and pin shafts, and the lower parts are fixed to the ground foundation by bolts.

5. The foldable mechanical lifting frame according to claim 1, characterized in that The upper ends of the inner braces (5) are fixed to the fixed supports (1) by bolts and pin shafts, and the lower ends are connected to the ground foundation by pin shafts.

6. The foldable mechanical lifting frame according to claim 1, characterized in that The upper ends of the outer braces (7) are fixed to the sliding supports (3) by bolts and pin shafts, the lower ends are connected to the ground foundation by pin shafts, and the middle part is connected to the inner braces (5) by a pin shaft.

7. The foldable mechanical lifting frame according to claim 1, characterized in that The upper parts of the two inner columns (8) are fixed to the fixed supports (1) by bolts and pin shafts, and the lower parts are fixed to the ground foundation by bolts.

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