Hoisting device with anti-falling function

Abstract

The utility model discloses a hoisting device with an anti-falling function, which belongs to the technical field of hoisting devices and comprises a rack, an outer sliding sleeve and an inner sliding plate, the outer sliding sleeve and the inner sliding plate are arranged on the inner side of the rack, the outer sliding sleeve is slidably connected with the close end of the inner sliding plate, and the far end of the outer sliding sleeve and the far end of the inner sliding plate are fixedly connected with the rack; a locking mechanism for locking the inner sliding plate is mounted on the outer sliding sleeve; totally-closed clamping mechanisms are symmetrically installed on the front portion and the rear portion of the machine frame. The totally-closed clamping mechanism comprises a driving assembly and a clamping assembly; a clamping assembly is installed on the inner side of the machine frame, a driving assembly used for driving the clamping assembly is installed on the outer wall of the machine frame, through the mode, horizontal limiting of a hoisted object is limited through the L-shaped baffle, the surface of the hoisted object is wrapped by the clamping assembly, the hoisted object is hoisted, limiting of the hoisted object in the transferring process is achieved, and the hoisting efficiency is improved. A hoisted object is prevented from falling.

Description

Technical Field

[0001] The utility model relates to a hoisting device, in particular to a hoisting device with a function of preventing falling. Background Art

[0002] During the transportation process, for the transportation of heavy objects, hoisting devices are needed to assist in handling heavy objects, such as hoisting devices like suspension arms and gantry crane arms. The hoisting effect for different types of goods is achieved through the cooperation of the boom and the hoisting structure.

[0003] Chinese Patent CN220165603U discloses a hoisting device, which includes two hoisting components arranged at intervals. The hoisting component includes a lifting ring, a first sling, a fixing structure and two second slings; the lifting ring is used to connect with an external hoisting machine; one end of the first sling and the second sling is connected to the lifting ring, and the other end can be wound around the hydrogen storage cylinder and is connected to the fixing structure, and the accommodating part is used to accommodate the hydrogen storage cylinder. This hoisting device can realize the hoisting of two hydrogen storage cylinders and improve production efficiency. However, this hoisting device is connected to the heavy object through the sling. During the transportation of the heavy object, the load-bearing capacity of the sling for the tubular heavy object may be insufficient, and if the hoisted object tilts, the hoisted object may slide off the sling, there is a risk of the hoisted object falling, and the installation of the sling requires manual installation and the operation is cumbersome.

[0004] Based on this, the utility model designs a hoisting device with a function of preventing falling to solve the above problems. Content of the Utility Model

[0005] In view of the above-mentioned shortcomings of the prior art, the utility model provides a hoisting device with a function of preventing falling.

[0006] To achieve the above purposes, the utility model is realized through the following technical solutions:

[0007] A hoisting device with a function of preventing falling includes a frame and an outer sliding sleeve and an inner sliding plate arranged inside the frame. The outer sliding sleeve is slidably connected to the inner wall of the inner sliding plate, and the outer walls of the outer sliding sleeve and the inner sliding plate are both fixedly connected to the frame;

[0008] A locking mechanism for locking the inner sliding plate is installed on the outer sliding sleeve;

[0009] Fully enclosed clamping mechanisms are symmetrically installed on the front and rear of the frame;

[0010] The fully enclosed clamping mechanism includes a driving component and a clamping component; the clamping component is installed inside the frame, and the driving component for driving the clamping component is installed on the outer wall of the frame;

[0011] Furthermore, L-shaped baffles are respectively and fixedly installed on the front and rear side walls of the frame;

[0012] Furthermore, the driving assembly includes a second driving gear, a second driven gear, a first driven gear, a transmission gear, a first driving gear, a transmission shaft, a sleeve, a motor and a bracket; the bracket is fixedly installed at the rear side of the frame, the motor is fixedly installed at the upper end of the bracket, the output end of the motor is fixedly connected with the first driving gear, one end of the transmission shaft is fixedly connected with the second driving gear, the other end of the transmission shaft is fixedly connected with the first driving gear, one end of the sleeve is fixedly connected with the second driven gear, and the other end of the sleeve is fixedly connected with the first driven gear; the sleeve is sleeved outside the transmission shaft, and the sleeve is rotatably connected with the bracket; the transmission gear is rotatably connected with the bracket through a rotating shaft, and the transmission gear is meshed with the first driving gear and the first driven gear;

[0013] Furthermore, the clamping assembly includes a first locking hoop, a second locking hoop, a limiting rotating cylinder, a first toothed ring and a second toothed ring; a plurality of limiting rotating cylinders are rotatably installed on the inner wall of the frame, and the limiting rotating cylinders are evenly distributed at the outer end and the inner end of the first locking hoop and the second locking hoop for restricting the rotation of the first locking hoop and the second locking hoop. The first locking hoop and the second locking hoop are installed in the frame, and both the first locking hoop and the second locking hoop are in sliding connection with the inner wall of the frame in a fitting manner. A first toothed ring is fixedly installed on the front side of the second locking hoop, and the second locking hoop is rotatably connected with the limiting rotating cylinder; a second toothed ring is fixedly installed on the rear side of the first locking hoop, and the first locking hoop is rotatably connected with the limiting rotating cylinder; the first toothed ring and the second toothed ring are in sliding connection in a fitting manner;

[0014] Furthermore, the limiting rotating cylinders are evenly distributed at the outer end and the inner end of the first locking hoop and the second locking hoop for restricting the rotation of the first locking hoop and the second locking hoop;

[0015] Furthermore, the second toothed ring is meshed with the second driving gear, and the first toothed ring is meshed with the second driven gear;

[0016] Furthermore, both the first locking hoop and the second locking hoop are arranged in a fan-shaped ring;

[0017] Furthermore, the locking mechanism includes a locking pin, positioning holes and a locking hole; a locking hole is opened at one end of the outer sliding sleeve close to the inner sliding plate, a plurality of positioning holes for cooperating with the locking hole are evenly opened on the inner sliding plate along the length direction of the inner sliding plate, and the locking pin is inserted into the locking hole and the positioning holes;

[0018] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0019] In the present utility model, the hoisted object is automatically and hermetically clamped by the clamping assembly, reducing the risk of falling. Moreover, the horizontal limit of the hoisted object is restricted by the L-shaped baffle, further improving the limit of the hoisted object and preventing the hoisted object from falling. Description of the Drawings

[0020] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings required for the description of the embodiments or the prior art. Obviously, the drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can be obtained based on these drawings.

[0021] Figure 1 Stereogram of a hoisting device with a fall prevention function of the present invention Figure 1 ;

[0022] Figure 2 Right view of a hoisting device with a fall prevention function of the present invention;

[0023] Figure 3 Along Figure 2 Cross-sectional view taken along the A-A direction;

[0024] Figure 4 Stereogram of the drive assembly;

[0025] Figure 5 Structural schematic diagram of the drive assembly.

[0026] The reference numerals in the drawings respectively represent:

[0027] 100, outer sliding sleeve; 400, inner sliding plate; 500, L-shaped baffle; 600, frame; 200, fully enclosed clamping mechanism; 210, drive assembly; 211, drive gear II; 212, driven gear II; 213, driven gear I; 214, transmission gear; 215, drive gear I; 216, transmission shaft; 217, sleeve; 218, motor; 219, bracket; 230, clamping assembly; 231, locking hoop I; 232, locking hoop II; 233, limiting rotating cylinder; 234, gear ring I; 235, gear ring II; 300, locking mechanism; 310, locking pin; 320, positioning hole; 330, locking hole. Detailed implementation manners

[0028] To make the objectives, technical solutions and advantages of the embodiments of the present invention clearer, the following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the drawings in the embodiments of the present invention. Obviously, the described embodiments are some but not all of the embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts fall within the scope of protection of the present invention.

[0029] The "left", "right", "front", "rear", "upper" and "lower" mentioned in the following description are oriented in the perspective direction of the right view.

[0030] In some embodiments, please refer to the appended drawings of the specification Figures 1-5 , a hoisting device with a fall prevention function, comprising a frame 600 and an outer sliding sleeve 100 and an inner sliding plate 400 arranged inside the frame 600; the outer sliding sleeve 100 is slidably connected to the inner wall of the inner sliding plate 400, and the outer walls of the outer sliding sleeve 100 and the inner sliding plate 400 are both fixedly connected to the frame 600.

[0031] A locking mechanism 300 for locking the inner sliding plate 400 is installed on the outer sliding sleeve 100.

[0032] Fully enclosed clamping mechanisms 200 are symmetrically installed on the front and rear of the frame 600, and L-shaped baffles 500 are respectively fixedly installed on the front and rear side walls of the frame 600. The L-shaped baffles 500 are used to further limit the movement of the hoisted object and prevent the hoisted object from slipping out of the fully enclosed clamping mechanism 200 when the hoisted object tilts.

[0033] The fully enclosed clamping mechanism 200 includes a driving component 210 and a clamping component 230; the clamping component 230 is installed inside the frame 600, and the driving component 210 for driving the clamping component 230 is installed on the outer wall of the frame 600.

[0034] In the present utility model, the outer sliding sleeve 100, the inner sliding plate 400 and the frame 600 are integrally installed on the gantry hook of the gantry crane. The inner sliding plate 400 slides inside the outer sliding sleeve 100, so that the distance between the two groups of fully enclosed clamping mechanisms 200 installed on the frame 600 increases or decreases. The inner sliding plate 400 is locked by the locking mechanism 300 to realize the horizontal limit of both ends of hoisted objects with different lengths; when the clamping component 230 is aligned with the hoisted object, the driving component 210 is started to drive the clamping component 230 to rotate to fully enclose and clamp the hoisted object to achieve the clamping effect on the hoisted object.

[0035] In the present utility model, the hoisted object is automatically and fully enclosed and clamped by the clamping component 230 to reduce the risk of falling, and the horizontal limit of the hoisted object is restricted by the L-shaped baffle 500 to further improve the limit on the hoisted object and prevent the hoisted object from falling.

[0036] The driving assembly 210 includes a second driving gear 211, a second driven gear 212, a first driven gear 213, a transmission gear 214, a first driving gear 215, a transmission shaft 216, a sleeve 217, a motor 218 and a bracket 219; the bracket 219 is fixedly installed at the rear side of the frame 600, the motor 218 is fixedly installed at the upper end of the bracket 219, the output end of the motor 218 is fixedly connected with the first driving gear 215, one end of the transmission shaft 216 is fixedly connected with the second driving gear 211, the other end of the transmission shaft 216 is fixedly connected with the first driving gear 215, one end of the sleeve 217 is fixedly connected with the second driven gear 212, and the other end of the sleeve 217 is fixedly connected with the first driven gear 213; the sleeve 217 is sleeved outside the transmission shaft 216, and the sleeve 217 is rotatably connected with the bracket 219; the transmission gear 214 is rotatably connected with the bracket 219 through a rotating shaft, and the transmission gear 214 is meshed and connected with the first driving gear 215 and the first driven gear 213.

[0037] The clamping assembly 230 includes a first locking hoop 231, a second locking hoop 232, a limiting rotating cylinder 233, a first gear ring 234 and a second gear ring 235; a plurality of limiting rotating cylinders 233 are rotatably installed on the inner wall of the frame 600, and the limiting rotating cylinders 233 are evenly distributed at the outer end and the inner end of the first locking hoop 231 and the second locking hoop 232 for restricting the rotation of the first locking hoop 231 and the second locking hoop 232. The first locking hoop 231 and the second locking hoop 232 are installed in the frame 600, and both the first locking hoop 231 and the second locking hoop 232 are in sliding connection with the inner wall of the frame 600 in a fitting manner. A first gear ring 234 for meshing with the second driven gear 212 is fixedly installed on the front side of the second locking hoop 232, and the second locking hoop 232 is rotatably connected with the limiting rotating cylinder 233; a second gear ring 235 for meshing with the second driving gear 211 is fixedly installed on the rear side of the first locking hoop 231, and the first locking hoop 231 is rotatably connected with the limiting rotating cylinder 233; the first gear ring 234 and the second gear ring 235 are in sliding connection in a fitting manner.

[0038] In the present utility model, by starting the motor 218 to drive the first driving gear 215 to rotate clockwise, the rotation of the first driving gear 215 drives the second driving gear 211 to rotate clockwise through the transmission shaft 216. The rotation of the second driving gear 211 drives the first locking hoop 231 to rotate counterclockwise under the limitation of the limiting rotating cylinder 233 through the second gear ring 235. At the same time, the rotation of the first driving gear 215 drives the first driven gear 213 to rotate counterclockwise through the transmission gear 214. The rotation of the first driven gear 213 drives the second driven gear 212 to rotate counterclockwise through the sleeve 217. The rotation of the second driven gear 212 drives the second locking hoop 232 to rotate clockwise under the limitation of the limiting rotating cylinder 233 through the first gear ring 234; the first locking hoop 231 and the second locking hoop 232 cooperate to form a closed ring, completely enclosing the suspended object to prevent the suspended object from falling.

[0039] The locking mechanism 300 includes a locking pin 310, a positioning hole 320, and a locking hole 330; a locking hole 330 is formed at one end of the outer sliding sleeve 100 close to the inner sliding plate 400, a plurality of positioning holes 320 adapted to the locking hole 330 are uniformly formed on the inner sliding plate 400 along the length direction of the inner sliding plate 400, and the locking pin 310 is inserted into the locking hole 330 and the positioning hole 320.

[0040] In the present utility model, by pulling the inner sliding plate 400 to control the distance that the inner sliding plate 400 extends out of the outer sliding sleeve 100, different positioning holes 320 are selected to be aligned with the locking hole 330, and the locking pin 310 passes through the locking hole 330 and the positioning hole 320 to fix the distance that the inner sliding plate 400 extends out of the outer sliding sleeve 100, so as to realize the horizontal limit of hoisted objects with different lengths.

[0041] The above embodiments are only used to illustrate the technical solutions of the present utility model, rather than to limit it; although the present utility model has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements on some of the technical features; and these modifications or replacements will not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the various embodiments of the present utility model.

Claims

1. A hoisting device with an anti-falling function, comprising a frame (600) and an outer sliding sleeve (100) and an inner sliding plate (400) arranged on the inner side of the frame (600), characterized in that: The outer sliding sleeve (100) is slidably connected to the inner wall of the inner sliding plate (400), and the outer wall of the outer sliding sleeve (100) and the inner sliding plate (400) are both fixedly connected to the frame (600); The outer sliding sleeve (100) is provided with a locking mechanism (300) for locking the inner sliding plate (400); A fully enclosed clamping mechanism (200) is symmetrically mounted on the frame (600) in the front and rear directions; The fully enclosed clamping mechanism (200) comprises a driving assembly (210) and a clamping assembly (230); the clamping assembly (230) is installed on the inner side of the frame (600), and the driving assembly (210) for driving the clamping assembly (230) is installed on the outer wall of the frame (600).

2. The hoisting device with anti-falling function according to claim 1, characterized in that: The front and rear side walls of the frame (600) are respectively fixedly mounted with L-shaped baffles (500).

3. The hoisting device with anti-falling function according to claim 2, characterized in that: The driving assembly (210) comprises a second driving gear (211), a second driven gear (212), a first driven gear (213), a transmission gear (214), a first driving gear (215), a transmission shaft (216), a sleeve (217), a motor (218) and a bracket (219); the bracket (219) is fixedly mounted on the rear side of the frame (600), the motor (218) is fixedly mounted on the upper end of the bracket (219), the output end of the motor (218) is fixedly connected to the first driving gear (215), one end of the transmission shaft (216) is connected to the second driving gear (211), and the output end of the motor (218) is fixedly connected to the first driving gear (215). 1) is fixedly connected, the other end of the transmission shaft (216) is fixedly connected to the driving gear one (215), one end of the sleeve (217) is fixedly connected to the driven gear two (212), and the other end of the sleeve (217) is fixedly connected to the driven gear one (213); the sleeve (217) is sleeved on the outside of the transmission shaft (216), and the sleeve (217) is rotationally connected to the bracket (219); the transmission gear (214) is rotationally connected to the bracket (219) through the rotating shaft, and the transmission gear (214) is meshedly connected with the driving gear one (215) and the driven gear one (213).

4. The hoisting device with anti-falling function according to claim 3, characterized in that: The clamping assembly (230) comprises a locking hoop 1 (231), a locking hoop 2 (232), a limiting rotating cylinder (233), a gear ring 1 (234) and a gear ring 2 (235); a plurality of limiting rotating cylinders (233) are rotatably mounted on the inner wall of the frame (600); a locking hoop 1 (231) and a locking hoop 2 (232) are mounted in the frame (600); the locking hoop 1 (231) and the locking hoop 2 (232) are both slidably connected to the inner wall of the frame (600); a gear ring 1 (234) is fixedly mounted on the front side of the locking hoop 2 (232); the locking hoop 2 (232) is rotatably connected to the limiting rotating cylinder (233); a gear ring 2 (235) is fixedly mounted on the rear side of the locking hoop 1 (231); the locking hoop 1 (231) is rotatably connected to the limiting rotating cylinder (233); the gear ring 1 (234) and the gear ring 2 (235) are slidably connected to each other.

5. The hoisting device with anti-falling function according to claim 4, characterized in that: The limiting rotation cylinders (233) are evenly distributed at the outer ends and inner ends of the locking hoop 1 (231) and the locking hoop 2 (232), and are used to limit the rotation of the locking hoop 1 (231) and the locking hoop 2 (232).

6. The hoisting device with anti-falling function according to claim 5, characterized in that: The second gear ring (235) meshes with the second driving gear (211), and the first gear ring (234) meshes with the second driven gear (212).

7. The hoisting device with anti-falling function according to claim 6, characterized in that: The locking hoop 1 (231) and the locking hoop 2 (232) are both configured in a fan ring shape.

8. The hoisting device with anti-falling function according to claim 7, characterized in that: The locking mechanism (300) comprises a locking pin (310), a positioning hole (320) and a locking hole (330); a locking hole (330) is provided at one end of the outer sleeve (100) close to the inner slide plate (400); a plurality of positioning holes (320) matching the locking hole (330) are evenly provided on the inner slide plate (400) along the length direction of the inner slide plate (400); and the locking pin (310) is plugged into the locking hole (330) and the positioning hole (320).

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