Safe suspension device

By setting up an auxiliary frame in the bridge construction hoisting device to support the main body hoisting mechanism, the poor stability caused by the deviation of the suspension center of gravity is solved, and higher construction safety is achieved.

CN222685275UActive Publication Date: 2025-03-28GANSU PUBLIC AIR TRAVEL IND CO LTD
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Patent Information

Application Number
CN202420829406.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-22
Publication Date
2025-03-28
Estimated Expiration
2034-04-22

AI Technical Summary

Technical Problem

The existing lifting devices for bridge construction have a center of gravity offset in suspension, resulting in poor stability and easy to tilt.

Method used

A safety suspension device is designed to support the main body hoisting mechanism on the other side by setting up an auxiliary frame to avoid tilting caused by center of gravity offset and improve stability.

Benefits of technology

By setting up an auxiliary frame, the problem of tilting caused by center of gravity is effectively avoided, the stability of the lifting device is improved, and the safety of the construction process is ensured.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of bridge construction, in particular to a safe suspension device, which is provided with an auxiliary frame, can support a main body hoisting mechanism on the other side, avoids toppling caused by center-of-gravity shift, and improves stability. Comprising a main frame, wheel shafts, wheel boxes, idler wheels, a sliding frame, a sleeve frame, an embedded block, an electric inserting groove, a pin groove, a lifting rope and an auxiliary frame, the four corner sides of the bottom end of the main frame and the four corner sides of the bottom end of the auxiliary frame are rotationally connected with the middles of the top ends of the wheel boxes through the wheel shafts correspondingly, the inner sides of the wheel boxes are rotationally connected with the idler wheels correspondingly, and the upper side of the right end of the main frame is connected with the left end of the sliding frame; the upper side of the left end of the auxiliary frame is connected with the right end of an embedded block, a pin groove is formed in the top end of the embedded block, and a lifting rope is arranged on the inner side of the sliding frame through a moving mechanism and a lifting mechanism.
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Description

Technical Field

[0001] The utility model relates to the technical field of bridge construction, in particular to a safety suspension device. Background Art

[0002] Bridge construction is the process of building a bridge according to the design content; it mainly refers to bridge construction technology and construction organization, construction management, construction quality and other contents.

[0003] Among them, hoisting is an important process in bridge construction, which is completed with the assistance of corresponding equipment. There is currently a hoisting device for road and bridge construction with a Chinese patent publication number of CN214611254U. Its structural design is reasonable. By driving the guide wheel to move, the position of the hoisted object is fine-tuned, which improves the accuracy of hoisting position control and avoids manual adjustment, thereby improving the efficiency of hoisting work and having high reliability.

[0004] However, the device has a problem of poor stability due to the offset of the center of gravity of the suspension. Utility Model Content

[0005] 1. Technical issues to be resolved

[0006] In view of the deficiencies in the prior art, the utility model provides a safety suspension device which can support the main hoisting mechanism on the other side by arranging an auxiliary frame, thereby avoiding tipping caused by center of gravity shift and improving stability.

[0007] (II) Technical solution

[0008] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a safety suspension device, including a main frame, a wheel axle, a wheel box, a roller, a slide, a sleeve frame, an insert block, an electric slot, a pin slot, a lifting rope and a sub-frame. The four corner sides of the bottom ends of the main frame and the sub-frame are rotatably connected to the middle part of the top end of a group of wheel boxes through a group of wheel axles respectively, and a group of rollers are rotatably connected to the inner side of each group of wheel boxes respectively. The upper side of the right end of the main frame is connected to the left end of the slide, the right side of the slide is connected to the left side of the sleeve frame, the top of the sleeve frame is provided with an electric slot, the upper side of the left end of the sub-frame is connected to the right end of the insert block, the top of the insert block is provided with a pin slot, and the inner side of the slide is provided with a lifting rope through a moving mechanism and a lifting mechanism.

[0009] Preferably, the moving mechanism includes a reciprocating motor, a threaded rod, a slider and a threaded sleeve. The upper side of the left end of the main frame is connected to the inner end of the reciprocating motor, the output end of the reciprocating motor is connected to the left end of the threaded rod, the threaded rod is rotatably connected to the inner side of the slide, the slider is slidably connected to the inner side of the slide, the inner side of the slider is connected to the outer side of the threaded sleeve, and the outer wall of the threaded rod is threadedly connected to the inner wall of the threaded sleeve.

[0010] Preferably, the lifting mechanism includes a pulley shaft frame, a pulley, a winding wheel shaft frame, a winding motor and a winding wheel, the middle part of the left side of the main frame is connected to the left end of the winding wheel shaft frame, the front side of the winding wheel shaft frame is connected to the rear side of the winding motor, the output end of the winding motor is connected to the middle of the winding wheel, the winding wheel is rotatably connected in the winding wheel shaft frame, the lifting rope is wound around the outside of the winding wheel, the bottom end of the slider is connected to the top end of the pulley shaft frame, the inner side of the pulley shaft frame is rotatably connected with a pulley, and the lifting rope is movably wound around the outside of the pulley and hangs down.

[0011] Preferably, it further comprises a second baffle, and the front and rear sides of the pulley are respectively connected to the middle part of the inner end of a group of second baffles.

[0012] Preferably, it further comprises a baffle plate 1, and the front and rear sides of the winding wheel are respectively connected to the inner middle part of a group of baffle plates 1.

[0013] Preferably, it also includes brake pads and pedal pads, and each group of the wheel box inner side is movably connected with a group of brake pads, the output end of the brake pad is in clutch contact with the roller, and the outer side of the brake pad is connected with the inner side of the pedal pad.

[0014] (III) Beneficial effects

[0015] Compared with the prior art, the utility model provides a safety suspension device, which has the following beneficial effects:

[0016] The main frame and the auxiliary frame are respectively contacted with the ground through the bottom ends of the corresponding rollers, and the rollers roll on the ground under the constraints of the wheel boxes, and are moved to the corresponding positions through the steering constraints of the wheel axles. Then the main frame and the auxiliary frame are brought close to each other, and the insert blocks are inserted into the sleeve frames. After they are in place, the electric slot operation pins are inserted into the pin grooves to fix the main frame and the auxiliary frame relatively. After that, the moving mechanism and the lifting mechanism act on the bridge components for lifting and hanging. By setting up an auxiliary frame, the main lifting mechanism can be supported on the other side to avoid tipping caused by the shift of the center of gravity and improve stability. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is an axial view of the schematic diagram of the structure of the utility model;

[0018] Figure 2 For this utility model Figure 1 The top view of

[0019] Figure 3 For this utility model Figure 1 Front view of

[0020] Figure 4 For this utility model Figure 1 Bottom view of .

[0021] Markings in the attached figure: 1, main frame; 2, wheel axle; 3, wheel box; 4, roller; 5, slide; 6, sleeve frame; 7, embedment; 8, electric latch; 9, pin groove; 10, lifting rope; 11, reciprocating motor; 12, threaded rod; 13, slider; 14, threaded sleeve; 15, pulley shaft frame; 16, pulley; 17, winding wheel shaft frame; 18, winding motor; 19, winding wheel; 20, baffle plate 1; 21, baffle plate 2; 22, brake pad; 23, pedal; 24, sub-frame. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] Example

[0024] See also Figure 1-4 A safety suspension device includes a main frame 1, a wheel axle 2, a wheel box 3, a roller 4, a slide 5, a sleeve frame 6, an insert 7, an electric slot 8, a pin slot 9, a suspension rope 10 and a sub-frame 24. The four corner sides of the bottom ends of the main frame 1 and the sub-frame 24 are respectively rotatably connected to the middle of the top end of a group of wheel boxes 3 through a group of wheel axles 2. A group of rollers 4 are rotatably connected to the inner side of each group of wheel boxes 3. The upper right side of the main frame 1 is connected to the left end of the slide 5, the right side of the slide 5 is connected to the left side of the sleeve frame 6, the top of the sleeve frame 6 is provided with an electric slot 8, and the upper left side of the sub-frame 24 is connected to the right end of the insert 7 Then, a pin groove 9 is provided at the top of the insert block 7, and a lifting rope 10 is provided on the inner side of the slide 5 via a moving mechanism and a lifting mechanism; the main frame 1 and the auxiliary frame 24 are respectively contacted with the ground via the bottom ends of the corresponding rollers 4, and the rollers 4 roll on the ground under the constraints of the wheel boxes 3, and are moved to corresponding positions via the steering constraints of the wheel axles 2, and then the main frame 1 and the auxiliary frame 24 are brought close to each other, so that the insert block 7 is inserted into the sleeve frame 6, and after being in place, the electric slot 87 runs the pin into the pin groove 9, so that the main frame 1 and the auxiliary frame 24 are relatively fixed, and then the moving mechanism and the lifting mechanism act on the bridge components for lifting and suspension.

[0025] The moving mechanism includes a reciprocating motor 11, a threaded rod 12, a slider 13 and a threaded sleeve 14. The upper left end of the main frame 1 is connected to the inner end of the reciprocating motor 11, the output end of the reciprocating motor 11 is connected to the left end of the threaded rod 12, the threaded rod 12 is rotatably connected to the inner side of the slide 5, the slider 13 is slidably connected to the inner side of the slide 5, the inner side of the slider 13 is connected to the outer side of the threaded sleeve 14, and the outer wall of the threaded rod 12 is threadedly connected to the inner wall of the threaded sleeve 14; the reciprocating motor 11 is running, the threaded rod 12 can be rotated, the threaded rod 12 is threadedly matched with the threaded sleeve 14, so that the slider 13 slides laterally on the inner side of the slide 5, and stops at any position and is fixed by the threaded self-locking of the threaded rod 12 and the threaded sleeve 14.

[0026] The hoisting mechanism includes a pulley shaft frame 15, a pulley 16, a winding wheel shaft frame 17, a winding motor 18 and a winding wheel 19. The middle part of the left side of the main frame 1 is connected to the left end of the winding wheel shaft frame 17, the front side of the winding wheel shaft frame 17 is connected to the rear side of the winding motor 18, the output end of the winding motor 18 is connected to the middle part of the winding wheel 19, the winding wheel 19 is rotatably connected in the winding wheel shaft frame 17, the lifting rope 10 is wound around the outside of the winding wheel 19, and the bottom end of the slider 13 is connected to the slider. The top of the wheel shaft frame 15 is connected, and the pulley 16 is rotatably connected to the inner side of the pulley shaft frame 15. The lifting rope 10 is movably wound around the outer side of the pulley 16 and hangs down; the tail end of the lifting rope 10 can be connected to the part to be hoisted by the corresponding mechanism, and then the winding motor 18 is operated to make the winding wheel 19 rotate under the constraint of the winding wheel shaft frame 17. The winding wheel 19 acts on the lifting rope 10 and is guided by the pulley 16 to lift the tail end of the lifting rope 10 vertically, driving the part to be lifted and suspended.

[0027] It also includes a second baffle 21, and the front and rear sides of the pulley 16 are respectively connected to the middle part of the inner end of a group of second baffles 21; the front and rear sides of the pulley 16 can be blocked by the second baffle 21 to prevent the lifting rope 10 from slipping off the pulley 16, thereby improving reliability.

[0028] It also includes a baffle 20, and the front and rear sides of the winding wheel 19 are respectively connected to the inner middle part of a group of baffles 20; the front and rear sides of the winding wheel 19 can be blocked by two groups of baffles 20 to prevent the lifting rope 10 from slipping out of the outside of the winding wheel 19, thereby improving reliability.

[0029] It also includes brake pads 22 and pedal pads 23. Each group of the wheel boxes 3 is movably connected to a group of brake pads 22 on the inner side. The output end of the brake pads 22 is in clutch contact with the roller 4, and the outer side of the brake pads 22 is connected to the inner side of the pedal pads 23. By stepping on the pedal pads 23, the brake pads 22 can be moved to act on the roller 4 to stop the device, thereby fixing the device and improving stability.

[0030] In summary, when a safety suspension device is used, the main frame 1 and the auxiliary frame 24 are respectively contacted with the ground through the bottom ends of the corresponding rollers 4, and the rollers 4 roll on the ground under the constraints of the wheel box 3, and are moved to the corresponding positions through the steering constraints of the wheel axle 2, and then the brake pads 22 are moved by stepping on the pedals 23 to act on the rollers 4 to stop the device, and then the main frame 1 and the auxiliary frame 24 are brought close to each other, so that the insert block 7 is inserted into the sleeve frame 6, and after the electric slot 87 is in place, the pin is inserted into the pin groove 9, so that the main frame 1 and the auxiliary frame 24 are relatively fixed, and then the reciprocating motor 11 is operated to rotate the threaded rod 12, and the threaded rod 12 is screwed with the threaded sleeve 14 to make the slider 13 on the slide 5 slides horizontally inside, and stops at any position and is fixed by self-locking of the threaded rod 12 and the threaded sleeve 14. After that, the tail end of the lifting rope 10 can be connected to the part to be hoisted by the corresponding mechanism, and then the winding motor 18 is operated to make the winding wheel 19 rotate under the constraint of the winding wheel shaft frame 17. The winding wheel 19 acts on the winding of the lifting rope 10, and is guided by the pulley 16 to make the tail end of the lifting rope 10 vertically lifted, driving the part to be lifted and suspended. In addition, the front and rear sides of the pulley 16 can be blocked by the second blocking piece 21 to prevent the lifting rope 10 from sliding out on the pulley 16, thereby improving reliability. The front and rear sides of the winding wheel 19 can be blocked by the two sets of blocking pieces 1 20 to prevent the lifting rope 10 from sliding out on the outside of the winding wheel 19, thereby improving reliability.

[0031] The electric slot 8, reciprocating motor 11 and winding motor 18 are well-known devices purchased directly from the market by technicians in this field. We only use them here without making any structural or functional improvements to them, so we will not go into details here.

[0032] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A safety suspension device, characterized in that: The invention comprises a main frame (1), a wheel axle (2), a wheel box (3), a roller (4), a slide (5), a sleeve frame (6), an insert (7), an electric slot (8), a pin slot (9), a lifting rope (10) and an auxiliary frame (24). The four corner sides of the bottom ends of the main frame (1) and the auxiliary frame (24) are respectively rotatably connected to the middle part of the top end of a group of wheel boxes (3) through a group of wheel axles (2). A group of rollers (4) are rotatably connected inside each group of wheel boxes (3). The upper right end of the main frame (1) is connected to the left end of the slide (5), the right side of the slide (5) is connected to the left side of the sleeve frame (6), the top end of the sleeve frame (6) is provided with an electric slot (8), the upper left end of the auxiliary frame (24) is connected to the right end of the insert (7), the top end of the insert (7) is provided with a pin slot (9), and the inner side of the slide (5) is provided with a lifting rope (10) through a moving mechanism and a lifting mechanism.

2. A safety suspension device according to claim 1, characterized in that: The moving mechanism comprises a reciprocating motor (11), a threaded rod (12), a slider (13) and a threaded sleeve (14); the upper left end of the main frame (1) is connected to the inner end of the reciprocating motor (11); the output end of the reciprocating motor (11) is connected to the left end of the threaded rod (12); the threaded rod (12) is rotatably connected to the inner side of the slide (5); the slider (13) is slidably connected to the inner side of the slide (5); the inner side of the slider (13) is connected to the outer side of the threaded sleeve (14); and the outer wall of the threaded rod (12) is threadedly connected to the inner wall of the threaded sleeve (14).

3. A safety suspension device according to claim 2, characterized in that: The hoisting mechanism comprises a pulley shaft frame (15), a pulley (16), a winding wheel shaft frame (17), a winding motor (18) and a winding wheel (19); the middle part of the left side of the main frame (1) is connected to the left end of the winding wheel shaft frame (17); the front side of the winding wheel shaft frame (17) is connected to the rear side of the winding motor (18); the output end of the winding motor (18) is connected to the middle part of the winding wheel (19); the winding wheel (19) is rotatably connected inside the winding wheel shaft frame (17); the lifting rope (10) is wound around the outside of the winding wheel (19); the bottom end of the slider (13) is connected to the top end of the pulley shaft frame (15); the inner side of the pulley shaft frame (15) is rotatably connected with the pulley (16); the lifting rope (10) is movably wound around the outside of the pulley (16) and hangs down.

4. A safety suspension device according to claim 3, characterized in that: It also includes a second baffle (21), and the front and rear sides of the pulley (16) are respectively connected to the middle part of the inner end of a group of second baffles (21).

5. A safety suspension device according to claim 4, characterized in that: It also includes a baffle plate 1 (20), and the front and rear sides of the winding wheel (19) are respectively connected to the inner middle part of a group of baffle plates 1 (20).

6. A safety suspension device according to claim 1, characterized in that: It also includes a brake pad (22) and a pedal pad (23), wherein each group of the wheel box (3) is movably connected to a group of brake pads (22) on the inner side, the output end of the brake pad (22) is in clutch contact with the roller (4), and the outer side of the brake pad (22) is connected to the inner side of the pedal pad (23).

Citation Information

Patent Citations

  • Hoisting device for road and bridge construction

    CN214611254U