Construction engineering lifting device with protection performance

Abstract

The utility model discloses a constructional engineering hoisting device with protective performance, which comprises a support frame and a hoisting mechanism, the middle part of the top end of the support frame is fixedly connected with an ejector rod, the middle part of the bottom end of the ejector rod is provided with the hoisting mechanism, the middle part of the support frame is provided with an object placing plate, the front side and the rear side of the object placing plate are respectively provided with a sliding chute, and the lifting mechanism is arranged in the sliding chute. Second grooves are formed in the left side and the right side of the top of the storage plate correspondingly, and bidirectional threaded rods are rotationally connected into the second grooves. By arranging the sliding grooves, the inserting rods, the supporting rods, the sliding blocks and the sliding rods, the sliding grooves are formed in the front portion and the rear portion of the storage plate, the supporting rods are installed on the side edge of the supporting frame, the sliding rods are installed in the supporting rods, the sliding blocks are inserted into the circumferences of the sliding rods, and the outer sides of the sliding blocks are fixedly connected with the inserting rods. And the inserting rods support and limit the storage plates to prevent the storage plates from swinging left and right, so that the stability of the storage plates in the working process is guaranteed, the protection effect is achieved, and potential safety hazards are reduced.

Description

Technical Field

[0001] This utility model relates to the field of building engineering technology, and in particular to a building engineering lifting device with protective performance. Background Technology

[0002] Lifting devices used in construction projects can be classified into various types based on their structure and function, such as tower cranes, gantry cranes, truck cranes, crawler cranes, and bridge cranes.

[0003] The main function of small gantry cranes is to lift and move heavy objects. During the lifting and moving process, some cranes exhibit instability in their loading platform, swaying from side to side. This results in insecure placement of heavy objects on the platform, lack of proper protection, and poses a safety hazard. Utility Model Content

[0004] The purpose of this utility model is to provide a construction engineering lifting device with protective performance. During the lifting or lowering of objects, the plug-in rod supports and limits them to prevent them from swaying left and right, ensuring the stability of the placement plate during operation, playing a protective role, and reducing safety hazards. It can also gather the left and right ends of the object towards the middle, playing a protective and reinforcing role, and ensuring its stable operation during the lifting process.

[0005] To achieve the above objectives, a protective lifting device for construction projects is provided, comprising a support frame and a lifting mechanism. A top rod is fixedly connected to the top center of the support frame, and the lifting mechanism is provided at the bottom center of the top rod. A placement plate is provided in the middle of the support frame, and sliding grooves are provided on both the front and rear sides of the placement plate. A connecting rod is inserted into the inner side of the sliding groove. A second groove is provided on both the left and right sides of the top of the placement plate, and a bidirectional threaded rod is rotatably connected inside the second groove. Threaded blocks are symmetrically threaded at both ends of the circumference of the bidirectional threaded rod. Support rods are fixedly connected to the inner side of the left front end and the right rear end of the support frame. A first groove is provided on the inner side of the support rod, and a sliding rod is fixedly connected inside the first groove. A slider is inserted into the circumference of the sliding rod.

[0006] According to the aforementioned protective construction lifting device, limit grooves are provided on both the left and right side walls of the second groove, and these limit grooves are located inside the placement plate. The limit grooves are inserted into limit blocks to make the threaded blocks more stable and ensure lifting safety.

[0007] According to the protective construction lifting device described above, limit blocks are fixedly connected to the top of both sides of the threaded block, and the limit blocks are inserted into the limit grooves. This provides a limiting function.

[0008] According to the protective construction lifting device, the right side of the left slider is fixedly connected to the left end of the front connecting rod, and the left side of the right slider is fixedly connected to the right end of the rear connecting rod. The two connecting rods are staggered.

[0009] According to the aforementioned protective construction lifting device, a lifting wire rope is installed at the bottom end of the lifting mechanism, and the four corners of the bottom end of the lifting wire rope are respectively fixedly connected to the top center of four threaded blocks. The lifting wire rope is connected to the lifting mechanism.

[0010] According to the protective construction lifting device, a motor is fixedly connected to one end of the slide groove away from the plug rod. The driving end of the motor on the front side is fixedly connected to the front end of the right bidirectional threaded rod, and the driving end of the motor on the rear side is fixedly connected to the rear end of the left bidirectional threaded rod.

[0011] According to the aforementioned protective construction lifting device, reinforcing plates are fixedly connected to the bottom of each of the four corners of the support frame, and the placement plate is square. The reinforcing plates are triangular in shape, making the bottom of the support frame more stable.

[0012] The above-mentioned solution has the following beneficial effects:

[0013] 1. This utility model, by setting a sliding groove, a connecting rod, a support rod, a slider, and a sliding rod, has a sliding groove opened at the front and back of the shelf, a support rod installed on the side of the support frame, a sliding rod installed inside the support rod, and a slider inserted into the circumference of the sliding rod. The outer side of the slider is fixedly connected to the connecting rod. During the process of the shelf carrying the object rising or falling, the connecting rod supports and limits it, preventing it from swaying left and right, ensuring the stability of the shelf during operation, playing a protective role, and reducing safety hazards.

[0014] 2. This utility model, by setting a bidirectional threaded rod and a threaded block, installs a bidirectional threaded rod on the top of the placement plate, and threaded blocks are threadedly connected inside the bidirectional threaded rod. The top of the threaded block is connected to the lifting wire rope used for lifting. The threaded block moves inward, bringing the left and right ends of the object together towards the middle, which plays a protective and reinforcing role and ensures its stable operation during the lifting process.

[0015] Additional aspects and advantages of this invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description

[0016] The present invention will be further described below with reference to the accompanying drawings and embodiments;

[0017] Figure 1This is a three-dimensional side view of a construction hoisting device with protective properties according to this utility model;

[0018] Figure 2 This is a three-dimensional structural diagram of a construction lifting device with protective properties according to this utility model;

[0019] Figure 3 for Figure 2 Enlarged view of point A in the image;

[0020] Figure 4 This is a top-view perspective of the three-dimensional structure of a construction hoisting device with protective properties according to this utility model.

[0021] Legend:

[0022] 1. Support frame; 2. Support rod; 3. First groove; 4. Sliding rod; 5. Sliding block; 6. Connecting rod; 7. Shelf; 8. Slide groove; 9. Second groove; 10. Limiting groove; 11. Bidirectional threaded rod; 12. Motor; 13. Threaded block; 14. Limiting block; 15. Top rod; 16. Lifting mechanism; 17. Lifting wire rope; 18. Reinforcing plate. Detailed Implementation

[0023] This section will describe in detail the specific embodiments of the present utility model. The preferred embodiments of the present utility model are shown in the accompanying drawings. The purpose of the drawings is to supplement the textual description with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the present utility model, but they should not be construed as limiting the scope of protection of the present utility model.

[0024] Reference Figure 1-4This utility model provides a protective lifting device for construction projects, comprising a support frame 1 and a lifting mechanism 16. A top rod 15 is fixedly connected to the top center of the support frame 1, and the lifting mechanism 16 is located at the bottom center of the top rod 15. The lifting mechanism 16 is an existing mechanism. A placement plate 7 is located in the middle of the support frame 1. Slide grooves 8 are provided on both the front and rear sides of the placement plate 7. Insertion rods 6 are inserted into the inner sides of the slide grooves 8. The insertion rods 6 move up and down simultaneously with the placement plate 7, ensuring that the placement plate 7 does not move left or right. A certain space is maintained between the insertion rods 6 and the slide grooves 8 on the placement plate 7 to prevent jamming. The overall structure is compact and flexible. Second grooves 9 are provided on the left and right sides of the top of the placement plate 7. The inner part of the two grooves 9 is rotatably connected to a bidirectional threaded rod 11. The two-way threaded rod 11 is symmetrically threaded at both ends of its circumference with threaded blocks 13. The top of the threaded blocks 13 is connected to the lifting wire rope 17 used for lifting. The threaded blocks 13 move inward, bringing the left and right ends of the object together in the middle, which plays a protective and reinforcing role and ensures its stable operation during the lifting process. The support rod 2 is fixedly connected to the inner part of the left front end and the inner part of the right rear end of the support frame 1. The inner side of the support rod 2 is provided with a first groove 3. The inner part of the first groove 3 is fixedly connected to a sliding rod 4. A slider 5 is inserted into the circumference of the sliding rod 4. If a long tubular structure is being lifted, it will roll on the placement plate 7 and become very unstable. This lifting device is very suitable for this purpose.

[0025] Limiting grooves 10 are provided on the left and right side walls of the second groove 9, and the limiting grooves 10 are located inside the shelf 7; limiting blocks 14 are fixedly connected to the top of the left and right sides of the threaded block 13, and the limiting blocks 14 are inserted into the limiting grooves 10; the right side of the left slider 5 is fixedly connected to the left end of the front plug rod 6, and the left side of the right slider 5 is fixedly connected to the right end of the rear plug rod 6; a lifting wire rope 17 is provided at the bottom of the lifting mechanism 16, and the four corners of the bottom end of the lifting wire rope 17 are fixedly connected to the top center of the four threaded blocks 13 respectively; a motor 12 is fixedly connected to the end of the slide groove 8 away from the plug rod 6, the driving end of the front motor 12 is fixedly connected to the front end of the right bidirectional threaded rod 11, and the driving end of the rear motor 12 is fixedly connected to the rear end of the left bidirectional threaded rod 11; a reinforcing plate 18 is fixedly connected to the bottom of the four corners of the support frame 1, and the shelf 7 is square.

[0026] Working principle: The placement plate 7 is placed on the ground. At the bottom of the support frame 1, the plug rod 6 is inserted into the slide groove 8. The object to be lifted is placed horizontally on the placement plate 7. The motor 12 controls the rotation of the double-threaded rod 11. The double-threaded rod 11 is threaded with the threaded block 13, which controls the two lifting wire ropes 17 on the same side to move inward and clamp the front and back sides of the object. Then the lifting mechanism 16 lifts the placement plate 7. At the same time, the slider 5 is driven by the plug rod 6 and moves upward in the slide rod 4. The overall structure ensures the stability of the object during rising or falling.

[0027] The embodiments of the present utility model have been described in detail above with reference to the accompanying drawings. However, the present utility model is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of the present utility model.

Claims

1. A construction hoisting device with protective performance, comprising: Support frame (1) and hoisting mechanism (16), the top end of the middle part of the support frame (1) is fixedly connected with a top rod (15), and the bottom end of the middle part of the top rod (15) is provided with a hoisting mechanism (16), characterized in that the middle part of the support frame (1) is provided with a storage plate (7), the front and rear sides of the storage plate (7) are provided with a sliding groove (8), the inner side of the sliding groove (8) is inserted with a plug-in rod (6), the top of the storage plate (7) is provided with a second groove (9) on the left and right sides, the inside of the second groove (9) is rotatably connected with a bidirectional threaded rod (11), the circumferential front and rear ends of the bidirectional threaded rod (11) are symmetrically connected with a threaded block (13), the left side of the support frame (1) is fixedly connected with a support rod (2) at the front end and the right side at the rear end, the inner side of the support rod (2) is provided with a first groove (3), the inside of the first groove (3) is fixedly connected with a sliding rod (4), and the circumferential of the sliding rod (4) is inserted with a sliding block (5).

2. The construction hoisting device with protection performance according to claim 1, characterized in that, The inside of the second groove (9) is provided with a limiting groove (10) on the left and right sides, and the limiting groove (10) is located in the inside of the storage plate (7).

3. The construction hoisting device with protective performance according to claim 2, characterized in that, The left and right sides of the threaded block (13) are fixedly connected with a limiting block (14) at the top, and the limiting block (14) is inserted with the limiting groove (10).

4. The construction hoisting device with protection performance according to claim 1, characterized in that, The right end of the left sliding block (5) is fixedly connected with the left end of the front plug-in rod (6), and the left end of the right sliding block (5) is fixedly connected with the right end of the rear plug-in rod (6).

5. The construction hoisting device with protective performance according to claim 3, characterized in that, The bottom end of the hoisting mechanism (16) is provided with a hoisting steel wire rope (17), and the bottom end of the hoisting steel wire rope (17) is fixedly connected with the top end of the middle part of the four threaded blocks (13).

6. The construction hoisting device with protective performance according to claim 1, characterized in that, The inside of the sliding groove (8) is fixedly connected with a motor (12) away from the plug-in rod (6), the driving end of the front motor (12) is fixedly connected with the front end of the right bidirectional threaded rod (11), and the driving end of the rear motor (12) is fixedly connected with the rear end of the left bidirectional threaded rod (11).

7. The construction hoisting device with protective performance according to claim 1, characterized in that, The four corners of the bottom of the support frame (1) are fixedly connected with a reinforcing plate (18), and the storage plate (7) is square.

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