CN221440138U

CN221440138U - Gantry frame with telescopic hanging cantilever

Info

Publication number: CN221440138U
Application number: CN202323411077.1U
Authority: CN
Inventors: 乔季春; 周敏华; 王慧军
Original assignee: Shanghai Luohan Oujie Precision Machinery Co ltd
Current assignee: Shanghai Luohan Oujie Precision Machinery Co ltd
Priority date: 2023-12-14
Filing date: 2023-12-14
Publication date: 2024-07-30
Anticipated expiration: 2033-12-14

Abstract

The utility model relates to the technical field of hoisting equipment, in particular to a gantry frame with a telescopic cantilever, support columns are respectively fixedly arranged at the left side and the right side of the lower part of a cross beam, the support columns are movably inserted into a support frame, a first lead screw is rotatably inserted into the support columns through threads, the lower end of the first lead screw is rotatably connected with the support frame, an adjusting rod is rotatably arranged in the two support columns through bearings in a penetrating manner, the movable adjusting rod is inserted onto the first lead screw, the upper end of the adjusting rod penetrates through the support columns and is rotatably inserted into the cross beam through the bearings, a double-shaft motor is fixedly arranged in the cross beam, control rods are fixedly arranged at the two output ends of the double-shaft motor, a first driving motor is fixedly arranged in the first hoisting rod, a second lead screw is fixedly arranged at the output end of the first driving motor, the adjustment of the height of the cross beam can be realized, the phenomenon that the cross beam is inclined in the adjustment process can be avoided, and simultaneously the telescopic cantilever can be realized, and the hoisting range can be enlarged.

Description

Gantry frame with telescopic hanging cantilever

Technical Field

The utility model relates to the technical field of hoisting equipment, in particular to a gantry frame with a telescopic cantilever for hoisting.

Background

The gantry frame has wide application range, is commonly used for carrying objects such as equipment, building materials and the like, has strong bearing capacity, but is of a fixed structure, can not realize the adjustment of the height of a cross beam, and is difficult to realize the adjustment of the length of a cantilever, so that the hoisting range of the objects is limited, and therefore, the gantry frame with telescopic hoisting of the cantilever is needed.

Disclosure of utility model

The utility model aims to overcome the defects and shortcomings of the prior art, and provides a gantry frame with a reasonable design and telescopic cantilever hoisting function, which is used for solving the problems.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the lifting device comprises a cross beam, support frames, connecting frames and cantilevers, wherein the cross beam is arranged above the two support frames, the connecting frames are arranged on the cross beam, the cantilevers are arranged on the connecting frames and consist of a first lifting rod and a second lifting rod, and the second lifting rod is movably inserted into the first lifting rod;

It also comprises:

The two support columns are respectively fixedly arranged at the left side and the right side of the lower part of the cross beam, the support columns are movably inserted into the support frame, a first screw rod is inserted into the support columns in a screwed way through threads, and the lower end of the first screw rod is screwed with the support frame through a bearing;

The two adjusting rods are respectively and rotatably connected in the two supporting columns through bearings, the adjusting rods are movably inserted into the first screw rod, and the upper ends of the adjusting rods penetrate through the supporting columns and are rotatably connected in the cross beam through bearings;

the double-shaft motor is fixedly arranged in the cross beam, control rods are fixedly arranged at two output ends of the double-shaft motor, and the control rods are connected with the upper ends of the adjusting rods in a screwed mode through bevel gear pairs;

The first driving motor is fixedly arranged in the first lifting rod, the second lead screw is fixedly arranged at the output end of the first driving motor, and the second lead screw is screwed and penetrated in the second lifting rod through threads.

Preferably, the left and right side walls of the first lifting rod are fixedly provided with sliding blocks, the sliding blocks are arranged in sliding grooves formed in the inner side walls of the connecting frame in a sliding mode, the connecting frame is internally fixedly provided with a second driving motor, the output end of the second driving motor is fixedly provided with a gear, and the upper portion of the first lifting rod is fixedly provided with a rack meshed with the gear.

Preferably, limiting blocks are fixedly arranged on the first lifting rod and located on the front side and the rear side of the rack.

Preferably, a reinforcing plate is fixedly arranged on the side wall of the support column, and the upper part of the reinforcing plate is connected with the cross beam.

Preferably, a guiding telescopic rod is fixedly arranged on the side wall of the supporting frame, and the upper end of the guiding telescopic rod is connected with the cross beam.

Compared with the prior art, the utility model has the beneficial effects that: the gantry frame with the telescopic hanging cantilever can not only realize the adjustment of the height of the cross beam, but also avoid the phenomenon of the inclination of the cross beam in the adjustment process, and simultaneously realize the telescopic hanging cantilever and enlarge the hanging range.

Drawings

Fig. 1 is a schematic structural view of the present utility model.

Fig. 2 is a cross-sectional view of a support frame, cross-beam, support column and lead screw of the present utility model.

Fig. 3 is an enlarged view of a portion a in fig. 2.

Fig. 4 is a cross-sectional view of a connector of the present utility model.

Fig. 5 is an exploded view of a first lifting rod, a second lifting rod, a first driving motor and a second screw according to the present utility model.

Reference numerals illustrate:

The device comprises a cross beam 1, a support frame 2, a connecting frame 3, a cantilever 4, a first lifting rod 4-1, a second lifting rod 4-2, a support column 5, a first lead screw 6, an adjusting rod 7, a double-shaft motor 8, a control rod 9, a first driving motor 10, a second lead screw 11, a sliding block 12, a second driving motor 13, a gear 14, a rack 15, a limiting block 16, a reinforcing plate 17 and a guiding telescopic rod 18.

Detailed Description

The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings, in which preferred embodiments in the description are given by way of example only, and all other embodiments obtained by those skilled in the art without making any inventive effort are within the scope of protection of the present utility model.

Embodiment one:

As shown in fig. 1 to 5, the present embodiment adopts the following technical scheme: the lifting device comprises a beam 1, support frames 2, a connecting frame 3 and a cantilever 4, wherein the beam 1 is arranged above the two support frames 2, the connecting frame 3 is arranged on the beam 1, the cantilever 4 is arranged on the connecting frame 3, the cantilever 4 consists of a first lifting rod 4-1 and a second lifting rod 4-2, and the second lifting rod 4-2 is movably inserted on the first lifting rod 4-1;

It also comprises:

The two support columns 5 are respectively fixedly arranged at the left side and the right side of the lower part of the cross beam 1 through bolts, the support columns 5 are movably inserted into the support frame 2, reinforcing plates 17 are fixedly arranged on the side walls of the support columns 5 through bolts, the upper parts of the reinforcing plates 17 are connected with the cross beam 1, the reinforcing plates 17 can improve the strength of the connection structure between the support columns 5 and the cross beam 1, a first lead screw 6 is inserted into the support columns 5 through screw threads in a screwed way, and the lower ends of the first lead screws 6 are screwed with the support frame 2 through bearings;

the two adjusting rods 7 are respectively and rotatably connected in the two support columns 5 through bearings, the adjusting rods 7 are movably inserted on the first screw rod 6, and the upper ends of the adjusting rods 7 penetrate through the support columns 5 and are rotatably connected in the cross beam 1 through bearings;

the double-shaft motor 8 is fixedly arranged in the cross beam 1 through bolts, control rods 9 are fixedly arranged at two output ends of the double-shaft motor 8, the control rods 9 are connected with the upper ends of the adjusting rods 7 in a screwed mode through bevel gear pairs, guide telescopic rods 18 are fixedly arranged on the side walls of the support frames 2, the upper ends of the guide telescopic rods 18 are connected with the cross beam 1, and the stability of the cross beam 1 can be improved through the guide provided by the guide telescopic rods 18 in the process of moving the cross beam 1 up and down;

The first driving motor 10 is fixedly arranged in the first lifting rod 4-1, the second lead screw 11 is fixedly arranged at the output end of the first driving motor 10, and the second lead screw 11 is screwed and penetrated in the second lifting rod 4-2 through threads.

Embodiment two:

As shown in fig. 1 and fig. 4, the present embodiment is an improvement on the basis of the first embodiment, the left and right side walls of the first lifting rod 4-1 are fixedly provided with a sliding block 12 through bolts, the sliding block 12 is slidably disposed in a sliding groove formed in the inner side wall of the connecting frame 3, the connecting frame 3 is fixedly provided with a second driving motor 13 through bolts, the output end of the second driving motor 13 is fixedly provided with a gear 14, the upper portion of the first lifting rod 4-1 is fixedly provided with a rack 15 meshed with the gear 14, the front and rear sides of the rack 15 on the first lifting rod 4-1 are fixedly provided with limiting blocks 16, and the limiting blocks 16 can provide limiting for the limiting position of the first lifting rod 4-1 capable of moving forwards and backwards.

When the lifting device is used, the double-shaft motor 8 is started to drive the control rods 9 on two sides to synchronously rotate, the control rods 9 drive the adjusting rods 7 to rotate through the bevel gear pair, the adjusting rods 7 drive the first lead screw 6 to rotate, the supporting columns 5 drive the cross beams 1 to move upwards, the height of the cross beams 1 is adjusted, the inclination phenomenon in the process of adjusting the height of the cross beams 1 can be avoided through the influence of synchronous rotation of the control rods 9 on two sides, the first lead screw 11 can be driven to rotate through the first driving motor 10, the length of the cantilever 4 formed by the first lifting rod 4-1 and the second lifting rod 4-2 is adjusted, the lifting range is enlarged, and the second driving motor 13 drives the gear 14 to rotate, and the first lifting rod 4-1 can move forwards and backwards through the meshing of the gear 14 and the rack 15, so that the lifting position can be changed.

After adopting above-mentioned structure, this embodiment's beneficial effect is as follows:

1. Through the cooperation of the support column 5, the first lead screw 6, the adjusting rod 7, the double-shaft motor 8 and the control rod 9, not only the height adjustment of the cross beam 1 can be realized, but also the inclination phenomenon of the cross beam 1 in the height adjustment process can be avoided;

2. The front and back positions of the cantilever 4 can be adjusted through the matching of the sliding block 12, the second driving motor 13, the gear 14 and the rack 15, so that the adjustment of the hoisting position is realized.

It should be understood that those skilled in the art can make modifications to the technical solutions described in the foregoing embodiments and equivalent substitutions of some technical features, and any modifications, equivalent substitutions, improvements, etc. within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. The gantry frame comprises a cross beam (1), support frames (2), connecting frames (3) and cantilevers (4), wherein the cross beam (1) is arranged above the two support frames (2), the connecting frames (3) are arranged on the cross beam (1), the cantilevers (4) are arranged on the connecting frames (3), the cantilevers (4) are composed of a first hoisting rod (4-1) and a second hoisting rod (4-2), and the second hoisting rod (4-2) is movably inserted on the first hoisting rod (4-1);

The method is characterized in that: it also comprises:

The two support columns (5) are respectively fixedly arranged at the left side and the right side of the lower part of the cross beam (1), the support columns (5) are movably inserted into the support frame (2), a first lead screw (6) is inserted into the support columns (5) in a screwed way, and the lower end of the first lead screw (6) is screwed with the support frame (2) through a bearing;

the two adjusting rods (7) are respectively and rotatably connected in the two supporting columns (5) through bearings, the adjusting rods (7) are movably inserted into the first screw rod (6), and the upper ends of the adjusting rods (7) penetrate through the supporting columns (5) and are rotatably inserted into the cross beam (1) through bearings;

The double-shaft motor (8) is fixedly arranged in the cross beam (1), control rods (9) are fixedly arranged at two output ends of the double-shaft motor (8), and the control rods (9) are connected with the upper ends of the adjusting rods (7) in a screwed mode through bevel gear pairs;

The first driving motor (10), the first driving motor (10) is fixedly arranged in the first lifting rod (4-1), the second lead screw (11) is fixedly arranged at the output end of the first driving motor (10), and the second lead screw (11) is screwed and penetrated in the second lifting rod (4-2) through threads.

2. The gantry frame of claim 1, wherein the boom is telescopically suspended, and wherein: the left side wall and the right side wall of the first lifting rod (4-1) are fixedly provided with sliding blocks (12), the sliding blocks (12) are slidably arranged in sliding grooves formed in the inner side walls of the connecting frame (3), the connecting frame (3) is internally fixedly provided with a second driving motor (13), the output end of the second driving motor (13) is fixedly provided with a gear (14), and the upper portion of the first lifting rod (4-1) is fixedly provided with a rack (15) meshed with the gear (14).

3. The gantry frame for telescopic boom hoisting of claim 2, wherein: limiting blocks (16) are fixedly arranged on the first lifting rod (4-1) and positioned on the front side and the rear side of the rack (15).

4. The gantry frame of claim 1, wherein the boom is telescopically suspended, and wherein: the side wall of the support column (5) is fixedly provided with a reinforcing plate (17), and the upper part of the reinforcing plate (17) is connected with the cross beam (1).

5. The gantry frame of claim 1, wherein the boom is telescopically suspended, and wherein: the side wall of the support frame (2) is fixedly provided with a guiding telescopic rod (18), and the upper end of the guiding telescopic rod (18) is connected with the cross beam (1).