Telescopic frame

Abstract

The telescopic frame comprises a main frame body, auxiliary frame bodies, connecting plates and connecting frames, the auxiliary frame bodies are connected to the two ends of the main frame body in an inserted mode, first fixing bolts are arranged on the inner side of the main frame body, and the threaded ends of the first fixing bolts penetrate through the auxiliary frame bodies to be in threaded connection with first fixing nuts. Each connecting frame is arranged between every two adjacent main frame bodies, and a second fixing bolt is arranged on the inner side of each connecting frame. According to the telescopic frame, the main frame bodies are connected through the connecting frames and are connected and installed through the second fixing bolts and the second fixing nuts, the main frame bodies can be conveniently disassembled and assembled, and therefore the telescopic frame can be disassembled into independent rod-shaped structures to be conveniently carried, transported and used after the engineering period is finished; according to the telescopic frame, the height of the telescopic frame can be adjusted through the installation of the hole sites when a hanging well is arranged, so that the requirements of hanging boxes with different heights are met.

Description

Technical Field

[0001] The utility model belongs to the technical field of construction hoists, and particularly relates to a telescopic frame. Background Technique

[0002] Construction hoists are widely used in industries such as construction, factories, and ports. In construction, construction hoists are used for hoisting concrete components, steel structure materials, building materials for high-altitude operations, etc., and can also be used to erect construction scaffolds. In factories, construction hoists can be used for hoisting or placing heavy objects such as large equipment and machines to improve production efficiency. In ports, construction hoists are used for loading and unloading goods, such as hoisting containers and material terminals, to improve logistics efficiency and loading and unloading speed.

[0003] At present, for the telescopic frames used in traditional construction hoists, generally, the main frame body and the telescopic body are integrally welded frames. When disassembling and recycling at the end of the construction period, the entire frame is often recycled section by section. This is not only inconvenient for transportation but also difficult for handling and loading. Content of the Utility Model

[0004] Aiming at the problems mentioned in the background technique, the purpose of the utility model is to provide a telescopic frame to solve the problems mentioned in the above background technique.

[0005] The above technical purpose of the utility model is achieved through the following technical solutions:

[0006] A telescopic frame includes a main frame body, a sub-frame body, a connecting plate, and a connecting frame. The sub-frame body is inserted at both ends of the main frame body. A first fixing bolt is provided inside the main frame body, and the threaded end of the first fixing bolt penetrates through the sub-frame body and is threadedly connected with a first fixing nut. The connecting frame is arranged between two adjacent main frame bodies. A second fixing bolt is provided inside the connecting frame, and the threaded end of the second fixing bolt penetrates through the opposite side wall of the main frame body and is threadedly connected with a second fixing nut. The connecting plate is arranged at the lower ends of two adjacent sub-frame bodies. A third fixing bolt is provided inside the connecting plate, and the threaded end of the third fixing bolt penetrates through the wall of the sub-frame body and is threadedly connected with a third fixing nut.

[0007] As a preferred technical solution, mounting plates are welded on the opposite sides of the sub-frame body, and mounting holes are provided inside the mounting plates. Through the mounting plates, it is convenient to install and connect the sub-frame body.

[0008] As a preferred technical solution, slots are provided at the ends of the main frame body, and one end of the sub-frame body is inserted into the inside of the main frame body through the slots. Through the slots, it is convenient to connect the sub-frame body and the main frame body.

[0009] As a preferred technical solution, a plurality of first through holes are provided on the inner sides of the main frame body and the auxiliary frame body, and the threaded end of the first fixing bolt penetrates through the first through hole and is threadedly installed with the first fixing nut. Through the first through hole, it is convenient for the first fixing bolt and the second fixing nut to connect the main frame body and the auxiliary frame body.

[0010] As a preferred technical solution, a third through hole is provided on the inner side of the connecting plate, a second through hole is provided on the inner side of the auxiliary frame body, and the threaded ends of the third fixing bolts penetrate through the second through hole and the third through hole and are threadedly installed with the third fixing nuts. Through the third through hole and the second through hole, it is convenient to connect the connecting plate and the auxiliary frame body through the third fixing bolts and the third fixing nuts.

[0011] As a preferred technical solution, a fourth through hole is provided on the inner side of the connecting frame, and the threaded end of the second fixing bolt penetrates through the fourth through hole. Through the fourth through hole, it is convenient for the second fixing bolt to penetrate through the connecting frame and the main frame body for connection and installation.

[0012] As a preferred technical solution, the connecting frame is in a U shape, and there are two connecting frames in total. Through the connecting frames, it is convenient to connect and install the two main frame bodies.

[0013] In summary, the present utility model mainly has the following beneficial effects:

[0014] The main frame bodies in the telescopic frame are connected by the connecting frames, and the connection and installation are carried out by using the second fixing bolts and the second fixing nuts, which is convenient for disassembling and assembling the main frame bodies. The auxiliary frame bodies are connected by the connecting plates, and the connection and installation are carried out by using the third fixing bolts and the third fixing nuts, which is convenient for disassembling and assembling the auxiliary frame bodies. Therefore, the telescopic frame can also be disassembled into independent rod-shaped structures after the end of the project period, which is convenient for handling and transportation. When the telescopic frame is installed in the hoist shaft, the height of the telescopic frame can be adjusted by the installation of the holes, so as to meet the requirements of hoist boxes of different heights. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 is a schematic structural diagram of the present utility model;

[0016] Figure 2 is a schematic structural diagram of the column frame body of the present utility model;

[0017] Figure 3 is a schematic structural diagram of the auxiliary frame body of the present utility model;

[0018] Figure 4 is a schematic structural diagram of the connecting plate of the present utility model;

[0019] Figure 5 is a schematic structural diagram of the connecting frame of the present utility model.

[0020] Reference numerals: 1, main frame body; 2, sub-frame body; 3, connecting plate; 4, mounting plate; 5, mounting hole; 6, connecting frame; 7, slot; 8, first through hole; 9, second through hole; 10, third through hole; 11, fourth through hole; 12, first fixing nut; 13, first fixing bolt; 14, second fixing nut; 15, second fixing bolt; 16, third fixing nut; 17, third fixing bolt. Detailed implementation mode

[0021] Reference Figures 1 to 5 , a telescopic frame described in this embodiment includes a main frame body 1, a sub-frame body 2, a connecting plate 3 and a connecting frame 6. The sub-frame body 2 is inserted at both ends of the main frame body 1. A first fixing bolt 13 is provided inside the main frame body 1. The threaded end of the first fixing bolt 13 passes through the sub-frame body 2 and is threadedly connected with a first fixing nut 12. The connecting frame 6 is arranged between two adjacent main frame bodies 1. A second fixing bolt 15 is provided inside the connecting frame 6. The threaded end of the second fixing bolt 15 passes through the opposite side wall of the main frame body 1 and is threadedly connected with a second fixing nut 14. The connecting plate 3 is arranged at the lower ends of two adjacent sub-frame bodies 2. A third fixing bolt 17 is provided inside the connecting plate 3. The threaded end of the third fixing bolt 17 passes through the frame wall of the sub-frame body 2 and is threadedly connected with a third fixing nut 16; when the telescopic frame is installed in a hoist shaft, the height of the telescopic frame can be adjusted through the installation of holes, so as to meet the requirements of hanging boxes at different heights.

[0022] Reference Figure 1 , mounting plates 4 are welded on the opposite sides of the sub-frame body 2. Mounting holes 5 are opened inside the mounting plates 4. The mounting plates 4 with mounting holes 5 can facilitate the external installation of the sub-frame body 2.

[0023] Reference Figure 1 and Figure 2 , slots 7 are provided at the ends of the main frame body 1. One end of the sub-frame body 2 is inserted inside the main frame body 1 through the slot 7. The slot 7 on the main frame body 1 can facilitate the insertion of the end of the sub-frame body 2 and the main frame body 1.

[0024] Reference Figure 2 , a plurality of first through holes 8 are opened inside the main frame body 1 and the sub-frame body 2. The threaded end of the first fixing bolt 13 passes through the first through hole 8 and is threadedly installed with the first fixing nut 12. The first through holes 8 on the main frame body 1 and the sub-frame body 2 can facilitate the installation of the main frame body 1 and the sub-frame body 2 by using the first fixing bolt 13 and the first fixing nut 12.

[0025] Reference Figure 4, a third through hole 10 is provided on the inner side of the connecting plate 3, a second through hole 9 is provided on the inner side of the auxiliary frame body 2, and the threaded ends of the third fixing bolts 17 all pass through the second through hole 9 and the third through hole 10 and are threadedly installed with the third fixing nuts 16. By using the third through hole 10 on the connecting plate 3, it is convenient to install the connecting plate 3 and the auxiliary frame body 2 by using the third fixing bolts 17 and the third fixing nuts 16.

[0026] Reference Figure 5 , a fourth through hole 11 is provided on the inner side of the connecting frame 6, and the threaded end of the second fixing bolt 15 passes through the fourth through hole 11. By using the fourth through hole 11 on the connecting frame 6, it is convenient for the second fixing bolt 15 to pass through the fourth through hole 11 on the connecting frame 6 and at the same time pass through one of the first through holes 8 on the main frame body 1 and be installed with the second fixing nut 14.

[0027] Reference Figure 1 , the connecting frame 6 is in a U shape, and there are two connecting frames 6 in total. The U-shaped connecting frame 6 can facilitate the connection and installation of two adjacent main frame bodies 1.

[0028] Usage principle and advantages: During use, according to the length of the frame body used, then slide the auxiliary frame body 2 at the slot 7 inside the main frame body 1, and then after the first through hole 8 on the auxiliary frame body 2 coincides with the eye position of the first through hole 8 on the main frame body 1, connect and fix them through the corresponding first fixing bolts 13 and first fixing nuts 12, and the auxiliary frame body 2 can be telescopically adjusted and used on the main frame body 1. The main frame bodies 1 in this telescopic frame are connected by the connecting frame 6 and are connected and installed by using the second fixing bolts 15 and the second fixing nuts 14, which can facilitate the disassembly and assembly of the main frame body 1, while the auxiliary frame bodies 2 are connected by the connecting plate 3 and are connected and installed by using the third fixing bolts 17 and the third fixing nuts 16, which can facilitate the disassembly and assembly of the auxiliary frame body 2. Therefore, this telescopic frame can also be disassembled into independent rod-shaped structures after the project period ends, which is convenient for handling and transportation.

Claims

1. A telescopic frame, comprising a main frame body (1), a sub-frame body (2), a connecting plate (3) and a connecting frame (6), characterized in that: The auxiliary frame body (2) is inserted at both ends of the main frame body (1). A first fixing bolt (13) is provided inside the main frame body (1). The threaded end of the first fixing bolt (13) penetrates through the auxiliary frame body (2) and is threadedly connected with a first fixing nut (12). The connecting frame (6) is arranged between two adjacent main frame bodies (1). A second fixing bolt (15) is provided inside the connecting frame (6). The threaded end of the second fixing bolt (15) penetrates through the opposite side wall of the main frame body (1) and is threadedly connected with a second fixing nut (14). The connecting plate (3) is arranged at the lower ends of two adjacent auxiliary frame bodies (2). A third fixing bolt (17) is provided inside the connecting plate (3). The threaded end of the third fixing bolt (17) penetrates through the frame wall of the auxiliary frame body (2) and is threadedly connected with a third fixing nut (16).

2. The telescopic rack according to claim 1, characterized in that: Mounting plates (4) are welded to the opposite sides of the auxiliary frame body (2). Mounting holes (5) are formed inside the mounting plates (4).

3. A telescopic rack according to claim 1, characterized in that: Slots (7) are provided at the ends of the main frame body (1). One end of the auxiliary frame body (2) is inserted inside the main frame body (1) through the slot (7).

4. A telescopic rack according to claim 1, characterized in that: A plurality of first through holes (8) are formed inside the main frame body (1) and the auxiliary frame body (2). The threaded end of the first fixing bolt (13) penetrates through the first through hole (8) and is threadedly installed with the first fixing nut (12).

5. The telescopic rack according to claim 1, characterized in that: A third through hole (10) is formed inside the connecting plate (3). A second through hole (9) is formed inside the auxiliary frame body (2). The threaded ends of the third fixing bolts (17) penetrate through the second through hole (9) and the third through hole (10) and are threadedly installed with the third fixing nuts (16).

6. A telescopic rack according to claim 1, characterized in that: A fourth through hole (11) is formed inside the connecting frame (6). The threaded end of the second fixing bolt (15) penetrates through the fourth through hole (11).

7. A telescopic rack according to claim 1, characterized in that: The connecting frame (6) is in a U shape. There are two connecting frames (6) in total.

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