Combined construction hoist chassis

Abstract

The utility model provides a combined construction hoist chassis. The combined construction hoist chassis comprises a main frame, auxiliary frames, connecting seats and connecting pieces, the main frame and the auxiliary frames are rectangular frames, the connecting seats are arranged on the outer sides of the two long edges of the main frame respectively, the wide edge sides of the two auxiliary frames are inserted into the two connecting seats respectively, and the connecting pieces are connected with the main frame. The two connecting pieces are arranged on the inner sides of the two auxiliary frames respectively and located in the connecting base at the same time, bolts are arranged to penetrate through the connecting pieces, the auxiliary frames and the connecting base so that the connecting pieces, the auxiliary frames and the connecting base can be fixedly connected, and bolts are arranged to penetrate through the connecting pieces, the auxiliary frames and the main frame so that the connecting pieces, the auxiliary frames and the main frame can be fixedly connected. The combined type construction hoist underframe solves the problem that an existing construction hoist underframe is inconvenient to transport and store.

Description

Technical Field

[0001] The utility model relates to the field of construction elevators, in particular to a combined construction elevator chassis. Background Art

[0002] A base frame is provided at the bottom of the construction elevator as a foundation for installing standard sections and other components. Due to the large area of ​​the base frame, it is quite inconvenient to transport and store. For this reason, there is a solution to cut the base frame into two sections and assemble them when in use, but the problem of inconvenience in transportation and storage still exists. Cutting into more parts can solve the problem of inconvenience in transportation and storage, but there may be a risk of insufficient connection strength, so it is necessary to design an optimized connection mechanism. Utility Model Content

[0003] In order to solve the problem of inconvenient transportation and storage of the existing construction elevator chassis, the utility model provides a combined construction elevator chassis that solves the above problem.

[0004] A combined construction elevator chassis includes a main frame, a sub-frame, a connecting seat and a connecting piece. The main frame and the sub-frame are both rectangular frames. The main frame is provided with a connecting seat on the outside of its two long sides, and the wide sides of the two sub-frames are respectively inserted into the two connecting seats. The two connecting pieces are respectively arranged on the inner sides of the two sub-frames and are also located in the connecting seats. Bolts are set to pass through the connecting piece, the sub-frame and the connecting seat to fix them. Bolts are set to pass through the connecting piece, the sub-frame and the main frame to fix them.

[0005] In a preferred embodiment of the combined construction elevator chassis provided by the utility model, the main frame includes two main beams arranged in parallel, and four main connecting beams arranged between the two main beams, and a connecting seat is respectively provided on the outer side of the main beam.

[0006] In a preferred embodiment of the combined construction elevator chassis provided by the utility model, the connecting seat is a square ring structure, whose axial direction is perpendicular to the outer side wall of the main beam, its outer side is aligned with the two sides of the main frame, and the inner side is in contact with the sub-frame.

[0007] In a preferred embodiment of the combined construction elevator chassis provided by the utility model, the sub-frame includes two sub-beams arranged in parallel, and three sub-connecting beams arranged between the two sub-beams, wherein two of the sub-connecting beams are arranged at the ends.

[0008] In a preferred embodiment of the combined construction elevator chassis provided by the utility model, the connecting member is a square box-shaped structure with an open long side, which is placed in the sub-frame and located in the connecting seat at an angle with the open side away from the main frame.

[0009] Two or more bolts are sequentially arranged in the connecting member along the length direction of the secondary beam, which sequentially penetrate the connecting member, the secondary beam and the connecting seat and are locked and fixed; two or more bolts are sequentially arranged in the connecting member along the length direction of the main beam, which sequentially penetrate the connecting member, the secondary beam and the main beam and are locked and fixed.

[0010] The combined construction hoist chassis provided by the utility model has the following beneficial effects:

[0011] 1. A solution of assembling a main frame and two sub-frames to form a chassis is adopted, which solves the problem of inconvenient transportation and storage of the existing chassis.

[0012] 2. The main frame and the sub-frame are connected through a connecting seat and a connecting piece. The connecting piece, the sub-frame and the connecting seat are interconnected, and bolts are set on three sides for fastening to ensure that the chassis has sufficient connection strength. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a top view of the chassis of the modular construction hoist;

[0014] Figure 2 yes Figure 1 Schematic diagram of the decomposition of

[0015] Figure 3 yes Figure 2 A cross-sectional view of the connector at the connection seat. DETAILED DESCRIPTION

[0016] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0017] Please also see Figure 1~Figure 3 ,in Figure 1 It is a top view of the combined construction hoist chassis provided by the utility model. Figure 2 Yes Figure 1 Schematic diagram of the structure after decomposition; Figure 3 Yes Figure 2 A cross-sectional view obtained by cutting the middle connecting seat 3 and its surrounding area.

[0018] The combined construction hoist chassis comprises a main frame 1, a sub-frame 2, a connecting seat 3 and a connecting member 4. For ease of description, the up and down directions in the figure, i.e., the directions of the two sub-frames 2 are recorded as the front and rear directions, and the viewing angle directions in the figure are recorded as the up and down directions.

[0019] The main frame 1 comprises two parallel main beams 11. A flange for connecting a fence is provided at the left and right ends of the two main beams 11 respectively.

[0020] Between the two main beams 11: a main connecting beam 12 is vertically arranged at the left and right ends respectively; another two main connecting beams 12 are vertically arranged at the middle position, and these two main connecting beams 12 are used to connect the embedded bolts on the preset concrete base; four main brackets for installing standard sections of the construction elevator are arranged at the middle position.

[0021] The sub-frame 2 includes two sub-beams 21 arranged in parallel. A flange for connecting a fence is provided at each end of the two sub-beams 21 away from the main frame 1.

[0022] Between the two auxiliary beams 21: a secondary connecting beam 22 is vertically arranged at the front and rear ends; a secondary connecting beam 22 is arranged in the middle; between the two secondary connecting beams 22 close to the main frame 1, the two auxiliary beams 21 are respectively provided with a secondary holder on the adjacent side for installing the buffer spring of the construction elevator.

[0023] A connection seat 3 is provided in the middle of the front and rear sides of the two main beams 11. The connection seat 3 is a square ring structure, which is welded by four steel plates, two long and two short. Each steel plate is perpendicular to the front and rear sides of the main beam 11, and the upper and lower outer sides of the two longer steel plates are aligned with the upper and lower outer sides of the main beam 11. The size of the inner side of the connection seat 3 is consistent with the size of the end of the sub-frame 2 close to the main frame 1, and is used for docking with the sub-frame 2.

[0024] The connecting member 4 is a rectangular box-shaped structure, which is welded from five steel plates. The size of the outer side of the connecting member 4 is consistent with the size of the inner side of the subframe 2, and is used to abut against the inner side of the subframe 2 to fix it in the connecting seat 3. In addition, fourteen bolts are included.

[0025] When in use, the main frame 1 is laid flat first, the connector 4 is placed inside the end of the sub-frame 2 without a flange, and the end of the sub-frame 2 without a flange is connected to the connector 4 and inserted into the connection seat 3, so that the end of the sub-frame 2 is in close contact with the inner wall of the connection seat 3, and the connector 4 is also in close contact with the inner side of the end of the sub-frame 2.

[0026] A plurality of bolt holes are preset on the main frame 1, the sub-frame 2, the connecting seat 3 and the connecting member 4. On each sub-beam 21, two bolt holes are provided that penetrate the left and right sides of the connecting member 4 and the connecting seat 3 at the same time, and bolts are set and locked in them to fix the connection between the sub-frame 2, the connecting seat 3 and the connecting member 4. On each main beam 11, three bolt holes are provided that penetrate the front and rear positions of the connecting member 4 and the connecting seat 3 at the same time, and bolts are set and locked in them to fix the connection between the main frame 1, the connecting seat 3 and the connecting member 4.

[0027] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made using the contents of the present invention specification, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A combined construction hoist chassis, characterized in that: It includes a main frame, a sub-frame, a connecting seat and a connecting piece. The main frame and the sub-frame are both rectangular frames. The main frame is provided with a connecting seat on the outer side of its two long sides respectively. The wide sides of the two sub-frames are respectively inserted into the two connecting seats. The two connecting pieces are respectively arranged on the inner sides of the two sub-frames and are also located in the connecting seats. Bolts are set to pass through the connecting piece, the sub-frame and the connecting seat to fix them. Bolts are set to pass through the connecting piece, the sub-frame and the main frame to fix them.

2. The combined construction hoist chassis according to claim 1 is characterized in that: The main frame comprises two main beams arranged in parallel, and four main connecting beams arranged between the two main beams, and a connecting seat is respectively provided on the outer side of the main beam.

3. The combined construction hoist chassis according to claim 2 is characterized in that: The connecting seat is a square ring structure, the axial direction of which is perpendicular to the outer side wall of the main beam, the outer side of which is aligned with the two sides of the main frame, and the inner side is in contact with the sub-frame.

4. The combined construction hoist chassis according to claim 3 is characterized in that: The sub-frame comprises two sub-beams arranged in parallel and three sub-connecting beams arranged between the two sub-beams, wherein two of the sub-connecting beams are arranged at the ends.

5. The combined construction hoist chassis according to claim 4 is characterized in that: The connecting member is a square box-shaped structure with an open long side, and is placed in the sub-frame and located in the connecting seat at an angle with the open side away from the main frame.

6. The combined construction hoist chassis according to claim 5, characterized in that: Two or more bolts are sequentially arranged in the connecting member along the length direction of the secondary beam, which sequentially penetrate the connecting member, the secondary beam and the connecting seat and are locked and fixed; two or more bolts are sequentially arranged in the connecting member along the length direction of the main beam, which sequentially penetrate the connecting member, the secondary beam and the main beam and are locked and fixed.

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