High-position anti-sliding device

Abstract

The utility model discloses a high-position car sliding prevention device which comprises a chain wheel, a chain is arranged on the chain wheel in a transmission mode, a proximity switch A, a proximity switch B and a proximity switch C are sequentially installed on the chain from top to bottom, supports are arranged on the outer side of the chain, a lifting pot is arranged between the two sets of supports, a lifting body is arranged on the lifting pot, and the lifting body is provided with a lifting handle. The lifting body is connected with the chain, a high-position anti-sliding device is arranged at the bottom end of the support, a bearing is installed on the side face of the support, a synchronizing shaft is rotationally arranged in the bearing, and an outer gear is installed on the synchronizing shaft. According to the high-position car sliding prevention device, materials are placed in the lifting pot, the materials in the lifting pot can be lifted upwards through rotation of the chain, the materials are stably and accurately stopped at the designated position through a brake of the device, and after a lifting mechanism lifts a heavy object in a high position, the lifting mechanism is braked and does not fall to slide.

Description

Technical Field

[0001] The utility model relates to the technical field of hoists, in particular to a high-position anti-rolling device. Background Technique

[0002] With the continuous development of modern industry and the continuous innovation of technology, the hoist mechanism, as an indispensable important device in production automation, has a wider and wider application range. At the same time, the demand for accurate positioning and parking of the hoist during operation is becoming increasingly prominent. In this context, a novel anti-rolling technology of using a cylinder to push a rack to drive a cylindrical gear has emerged. However, at present, the existing hoists on the market still face problems such as poor anti-rolling effect and unstable parking when lifting heavy objects to a high position and parking. Especially when relying solely on the motor brake for braking, due to the existence of braking delay, the heavy object being lifted is prone to rolling after reaching the predetermined position, which not only affects production efficiency but also may pose a potential threat to equipment safety and personnel safety, and cannot ensure the accurate positioning of the parking position. Summary of the Invention

[0003] Aiming at the deficiencies of the prior art, the utility model provides a high-position anti-rolling device, which has the characteristics of low manufacturing cost, high safety and reasonable structure, and effectively solves the problems that it is inconvenient to ensure accurate and stable parking and the phenomenon of rolling due to braking delay occurs when the lifting mechanism is lifted to a predetermined position.

[0004] To achieve the purpose of facilitating accurate and stable stopping of the above-mentioned lifting mechanism at the corresponding position and preventing reverse rolling, the utility model provides the following technical solution: A high-position anti-rolling device includes a sprocket, on which a chain is driven. The chain is successively installed with proximity switch A, proximity switch B and proximity switch C from top to bottom. A support is arranged outside the chain, a lifting pot is arranged between two groups of supports, a lifting main body is arranged on the lifting pot and is connected to the chain. A high-position anti-rolling device is arranged at the bottom end of the support, a bearing is installed on the side of the support, a synchronous shaft rotates inside the bearing, and an external gear is installed on the synchronous shaft;

[0005] The high-position anti-backsliding device includes a support frame and a speed reducer. The support frame is installed on the speed reducer. A slide rail is installed inside the support frame. A slider slides on the slide rail. A toothed rod is installed on the slider. A cylinder is installed on the support frame. A bearing seat is installed on the speed reducer through bolts. A rotating shaft is inserted into the speed reducer. An inner bearing is installed at one end of the rotating shaft away from the speed reducer. One end of the rotating shaft away from the speed reducer is fixed on the bearing seat through the inner bearing. A bearing gasket and a bearing cover are arranged on the bearing seat. A first shaft sleeve and a second shaft sleeve are installed on the rotating shaft. An internal gear is arranged between the first shaft sleeve and the second shaft sleeve on the rotating shaft. A lapping plate is installed between the support frame and the bearing seat through bolts.

[0006] Preferably, the cylinder is located at the top of the support frame. The output end of the cylinder is fixedly connected to the toothed rod. The internal gear meshes with the toothed rod.

[0007] Preferably, the slide rail is fixed inside the support frame. The toothed rod is slidably connected to the slide rail through the slider.

[0008] Preferably, the bearing gasket and the bearing cover fix the inner bearing on the bearing seat.

[0009] Preferably, the synchronous shaft is fixedly connected to the output end of the speed reducer. The bearing supports the synchronous shaft to rotate.

[0010] Preferably, the lifting pot is connected to the chain through a lifting body.

[0011] Compared with the prior art, the present utility model provides a high-position anti-backsliding device, which has the following beneficial effects:

[0012] 1. For this high-position anti-backsliding device, a cylinder is used to push the rack, and the rack drives the cylindrical gear installed on the speed reducer to assist in pushing the heavy object to rise. The thrust of the cylinder offsets or is greater than the gravity of the material in the lifting pot. At the same time, when the motor brake of the speed reducer is delayed, the balance of the heavy object can be lifted to prevent backsliding, realizing a new way to achieve the self-locking function at the output end of a worm and worm gear speed reducer in the field of lifting mechanisms;

[0013] 2. This high-position anti-backsliding device can control the lifting pot to stop steadily and accurately at a specified position without backsliding, which is equivalent to the function of a counterweight block, balancing the pressure of the heavy object at the corresponding position. The structure is more compact than the traditional counterweight mechanism and has a lower cost. In industrial applications, the purpose can be achieved with a smaller cost. Compared with the function achieved by purchasing a worm and worm gear speed reducer, the price is lower and the cost performance is higher. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a structural schematic diagram of a high-position anti-backsliding device described in the present utility model;

[0015] Figure 2 The structural assembly schematic diagram of a high-position anti-rolling vehicle device described in the present utility model;

[0016] Figure 3 The structural decomposition schematic diagram of a high-position anti-rolling vehicle device described in the present utility model;

[0017] Figure 4 The schematic diagram of the internal gear structure of a high-position anti-rolling vehicle device described in the present utility model.

[0018] The marks in the attached drawings are described separately as follows:

[0019] 1. Sprocket; 2. Chain; 3. Proximity switch A; 4. Proximity switch B; 5. Lifting pot; 6. Lifting main body; 7. Proximity switch C; 8. High-position anti-rolling vehicle device; 81. Cylinder; 82. Rack; 83. Bracket; 84. Slide rail; 85. Slide block; 86. Bearing seat; 87. First shaft sleeve; 88. Rotating shaft; 89. Internal gear; 810. Second shaft sleeve; 811. Inner bearing; 812. Bearing gasket; 813. Bearing gland; 814. Lapping plate; 815. Reducer; 9. Synchronous shaft; 10. Bearing; 11. External gear. Specific embodiments

[0020] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0021] Please refer to Figures 1-4 , the present utility model provides a high-position anti-rolling vehicle device, including a sprocket 1, on which a chain 2 is driven. The chain 2 is successively installed with a proximity switch A 3, a proximity switch B 4, and a proximity switch C 7 from top to bottom. A support is arranged on the outside of the chain 2. A lifting pot 5 is arranged between two groups of supports. A lifting main body 6 is arranged on the lifting pot 5, and the lifting main body 6 is connected to the chain 2. A high-position anti-rolling vehicle device 8 is arranged at the bottom end of the support. A bearing 10 is installed on the side of the support. A synchronous shaft 9 rotates inside the bearing 10, and an external gear 11 is installed on the synchronous shaft 9;

[0022] The high-position anti-rolling device 8 includes a support frame 83 and a speed reducer 815. The support frame 83 is installed on the speed reducer 815. A slide rail 84 is installed inside the support frame 83. A slider 85 slides on the slide rail 84. A rack 82 is installed on the slider 85. A cylinder 81 is installed on the support frame 83. A bearing seat 86 is installed on the speed reducer 815 by bolts. A rotating shaft 88 is inserted into the speed reducer 815. An inner bearing 811 is installed at one end of the rotating shaft 88 away from the speed reducer 815. One end of the rotating shaft 88 away from the speed reducer 815 is fixed to the bearing seat 86 through the inner bearing 811. A bearing gasket 812 and a bearing cover 813 are arranged on the bearing seat 86. A first shaft sleeve 87 and a second shaft sleeve 810 are installed on the rotating shaft 88. An internal gear 89 is arranged between the first shaft sleeve 87 and the second shaft sleeve 810 on the rotating shaft 88. A lapping plate 814 is installed between the support frame 83 and the bearing seat 86 by bolts. By placing materials in the lifting pot 5, when the external gear 11 drives the lifting pot 5 to move upward through the chain 2, the materials in the lifting pot 5 can be lifted.

[0023] Further, the cylinder 81 is located at the top of the support frame 83. The output end of the cylinder 81 is fixedly connected to the rack 82. The internal gear 89 meshes with the rack 82. When the cylinder 81 drives the rack 82 to move, it can drive the internal gear 89 to rotate through meshing, and then drive the rotating shaft 88 to rotate.

[0024] Further, the slide rail 84 is fixed inside the support frame 83. The rack 82 is slidably connected to the slide rail 84 through the slider 85, which is convenient for guiding the rack 82 through the slider 85 and the slide rail 84, so that the rack 82 can move linearly.

[0025] Further, the bearing gasket 812 and the bearing cover 813 fix the inner bearing 811 on the bearing seat 86. The lapping plate 814 is bolted to connect the support frame 83 and the bearing seat 86 to ensure the strength of the entire high-position anti-rolling device 8.

[0026] Further, the synchronous shaft 9 is fixedly connected to the output end of the speed reducer 815. The bearing 10 supports the rotation of the synchronous shaft 9, which is convenient for the rotating shaft 88 and the synchronous shaft 9 to move in the same way when the speed reducer 815 works, so that the external gear 11 drives the lifting pot 5 to move through the chain 2.

[0027] Further, the lifting pot 5 is connected to the chain 2 through the lifting main body 6. When the external gear 11 drives the chain 2 to move, at this time, the chain 2 can drive the lifting pot 5 to move through the lifting main body 6.

[0028] In use, the reduction gear 815 drives the synchronous shaft 9 to rotate. The external gear 11 on the synchronous shaft 9 rotates under the action of the bearings 10 on both sides of the synchronous shaft 9, driving the chain 2, the sprocket 1 and the lifting main body 6 to move, thereby realizing the process of lifting the pot 5 from the position close to the proximity switch C 7 to the proximity switches B 4 and A 3. When the pot 5 is lifted to the proximity switch B 4, the cylinder 81 of the high-position anti-runaway device 8 pushes the rack 82 to drive the gear 89 to move. The internal gear 89 is connected to the rotating shaft 88 by a flat key, and the rotating shaft 88 moves in the same way as the synchronous shaft 9, then drives the pot 5 to be lifted from the proximity switch B 4 to the proximity switch A 3, realizing that the thrust of the cylinder 81 cancels or is greater than the gravity of the materials in the pot, achieving the function of preventing runaway. At the same time, the motor brake driven by the reduction gear 815 realizes the purpose of preventing runaway and stopping smoothly.

[0029] Although the embodiments of the present invention have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A high-position anti-slip device, comprising a sprocket (1), on which a chain (2) is driven, characterized in that: The chain (2) is sequentially provided with a proximity switch A (3), a proximity switch B (4) and a proximity switch C (7) from top to bottom; a support is provided on the outer side of the chain (2); a lifting pot (5) is provided between two groups of supports; a lifting body (6) is provided on the lifting pot (5), and the lifting body (6) is connected to the chain (2); a high-position anti-slip device (8) is provided at the bottom end of the support; a bearing (10) is provided on the side of the support; a synchronous shaft (9) is rotated inside the bearing (10), and an external gear (11) is provided on the synchronous shaft (9); The high-position anti-slip device (8) comprises a support frame (83) and a reducer (815), wherein the support frame (83) is mounted on the reducer (815), a slide rail (84) is mounted in the support frame (83), a slider (85) slides on the slide rail (84), a gear rod (82) is mounted on the slider (85), a cylinder (81) is mounted on the support frame (83), a bearing seat (86) is mounted on the reducer (815) by bolts, a rotating shaft (88) is inserted into the reducer (815), and the rotating shaft (88) is mounted at one end away from the reducer (815). An inner bearing (811) is installed, and one end of the rotating shaft (88) away from the reducer (815) is fixed on the bearing seat (86) through the inner bearing (811), and a bearing pressure pad (812) and a bearing pressure cover (813) are arranged on the bearing seat (86). A first shaft sleeve (87) and a second shaft sleeve (810) are installed on the rotating shaft (88), and an internal gear (89) is arranged on the rotating shaft (88) and located between the first shaft sleeve (87) and the second shaft sleeve (810). A lap plate (814) is installed between the support frame (83) and the bearing seat (86) by bolts.

2. A high-position anti-slip device according to claim 1, characterized in that: The cylinder (81) is located at the top end of the support frame (83), the output end of the cylinder (81) is fixedly connected to the gear rod (82), and the internal gear (89) is meshed with the gear rod (82).

3. A high-position anti-slip device according to claim 1, characterized in that: The slide rail (84) is fixed inside the support frame (83), and the gear rod (82) is slidably connected to the slide rail (84) via a slider (85).

4. A high-position anti-slip device according to claim 1, characterized in that: The bearing pressure pad (812) and the bearing pressure cover (813) fix the inner bearing (811) on the bearing seat (86).

5. The high-position anti-slip device according to claim 1, characterized in that: The synchronous shaft (9) is fixedly connected to the output end of the reducer (815), and the bearing (10) supports the synchronous shaft (9) for rotation.

6. A high-position anti-slip device according to claim 1, characterized in that: The lifting pot (5) is connected to the chain (2) via a lifting body (6).

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