Safe and easy-to-operate cantilever hoisting device

Abstract

The utility model discloses a safe and easy-to-operate cantilever lifting device, which comprises a steel beam, a fixing frame and a clamp lifting appliance, the steel beam is fixedly connected with a plurality of fixing frames, one side of each fixing frame is fixedly connected with one side of the fixing frame, the other side of the fixing frame is rotatably connected with a shaft lever, the bottom of one side of the shaft lever is fixedly connected with a cantilever fixing seat, and the bottom of the other side of the shaft lever is fixedly connected with a clamp lifting appliance. A cantilever is fixedly connected to the end, away from the shaft rod, of the cantilever fixing seat, an upper connecting seat and a plurality of rope seats are slidably connected to the bottom of the cantilever, a lower connecting seat is connected to the bottom of the upper connecting seat, an electric hoist is installed at the bottom of the lower connecting seat, and a wireless remote communicator is fixedly installed on the surface of the electric hoist; according to the safe and easy-to-operate cantilever hoisting device disclosed by the utility model, the cantilever is arranged on the steel beam of the railway bridge, and the bridge sleeper is hoisted through the cantilever and the electric hoist, so that the problems of high altitude, narrow space, high manual carrying cost and low speed are solved.

Description

Technical Field

[0001] The utility model relates to the field of lifting, in particular to a cantilever lifting device which is safe and easy to operate. Background Art

[0002] Railway bridges are structures built for railways to cross rivers, lakes, straits, valleys or other obstacles, and for realizing the three-dimensional intersection of railway lines with railway lines or roads. During the construction of railway bridges, since there are rivers, lakes, straits, valleys or other obstacles below the railway bridges, the railway bridges are generally located at high altitudes, and the railway bridge structures are tightly and firmly built with narrow spaces, so cranes cannot directly lift the bridge sleepers to the line. Therefore, the bridge sleepers can only be lifted and unloaded by cranes onto a platform specially built next to the railway bridge, and then the bridge sleepers on the platform are manually moved to the line, which is time-consuming, labor-intensive and has low economic benefits. Utility Model Content

[0003] The purpose of the utility model is to provide a safe and easy-to-operate cantilever lifting device to solve the problems raised in the above background technology.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a safe and easy-to-operate cantilever lifting device, comprising a steel beam, a fixed frame and a clamp sling, wherein a plurality of fixing frames are fixedly connected to the steel beam, one side of the plurality of fixing frames are fixedly connected to one side of the fixing frame, and the other side of the fixing frame is rotatably connected to a shaft rod, the bottom of one side of the shaft rod is fixedly connected to a cantilever fixing seat, the end of the cantilever fixing seat away from the shaft rod is fixedly connected to the cantilever, the bottom of the cantilever is slidably connected to an upper connecting seat and a plurality of rope seats, the bottom of the upper connecting seat is connected to a lower connecting seat, the bottom of the lower connecting seat is installed with an electric hoist, a wireless remote communicator is fixedly installed on the surface of the electric hoist, a lifting chain end of the electric hoist is fixedly connected to a hook, two slings are connected to the hook, the bottom ends of the two slings are fixedly connected to the two ends of the top of the clamp sling, the top of the cantilever is fixedly connected to two fixing ropes, and the ends of the two fixing ropes away from the cantilever are fixedly connected to the shaft rod.

[0005] Preferably, the wireless remote communicator is electrically connected to the electric hoist, and the model of the wireless remote communicator is F0031-DTD418M, which remotely controls the electric hoist.

[0006] Preferably, a T-shaped slide groove is provided at the bottom of the cantilever and is slidably connected to the upper connecting seat and the plurality of rope seats, and the upper connecting seat and the plurality of rope seats slide along the T-shaped slide groove.

[0007] Preferably, the two fixing ropes each include a long rope and a short rope, one end of the long rope is fixedly connected to a rope connector, the long rope is connected to one end of the short rope through the rope connector, and the length of the fixing rope is controlled by using long ropes and short ropes of different lengths, thereby adjusting the length of the fixing rope according to actual needs, and the two fixing ropes fix the cantilever.

[0008] Preferably, one end of the long rope away from the rope connector is fixedly connected to an upper rope fixing seat, and one end of the short rope away from the rope connector is fixedly connected to a lower rope fixing seat, and the two fixed ropes are respectively connected to the shaft rod and the cantilever through the upper rope fixing seat and the lower rope fixing seat.

[0009] Preferably, the two upper rope fixing seats are fixed to the top of one side of the shaft rod, and the two lower rope fixing seats are respectively fixed to the middle of the top of the cantilever and the end of the top of the cantilever away from the shaft rod. The two fixing ropes connect the shaft rod and the cantilever, thereby fixing the cantilever and applying a pulling force obliquely upward to the cantilever.

[0010] Preferably, a limiting rope is connected between the multiple rope seats, one end of the limiting rope is fixedly connected to the upper connecting seat, and the other end of the limiting rope is fixedly connected to one end of the cantilever bottom adjacent to the fixed seat, so that the moving distance of the electric hoist within the T-shaped slide groove is limited by the limiting rope.

[0011] Compared with the prior art, the beneficial effects of the utility model are as follows: the cantilever is installed on the steel beam of the railway bridge, the clamp hanger is aligned with the bridge sleeper, the electric hoist is remotely controlled to work, the electric hoist drives the clamp hanger to rise, thereby clamping the bridge sleeper, and then the cantilever is manually rotated, the cantilever rotates with the shaft rod as the center of the circle, and at the same time, the bridge sleeper and the electric hoist are manually moved along the direction of the T-shaped slide groove. When the unloading position is reached, the electric hoist is remotely controlled to drive the clamp hanger to descend, thereby the bridge sleeper descends, until the clamp hanger releases the clamping fixation on the bridge sleeper, completing the transportation of the bridge sleeper, solving the problems of high altitude, narrow space, high manual transportation cost and slow speed. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 The structure of the utility model is shown in FIG. Figure 1 ;

[0013] Figure 2 The structure of the utility model is shown in FIG. Figure 2 ;

[0014] Figure 3 The structure of the utility model is shown in FIG. Figure 3 ;

[0015] Figure 4 This is a schematic diagram of the structure of the electric hoist of the utility model;

[0016] Figure 5 It is a structural schematic diagram of the fixing rope of the utility model.

[0017] In the figure: 1. cantilever; 2. fixed frame; 3. fixed frame; 4. steel beam; 5. shaft rod; 6. limit rope; 7. upper connecting seat; 8. fixed rope; 9. electric hoist; 10. clamp sling; 11. rope seat; 12. cantilever fixing seat; 13. lower connecting seat; 14. wireless remote communicator; 15. hook; 16. sling; 17. upper rope fixing seat; 18. long rope; 19. rope connector; 20. short rope; 21. lower rope fixing seat; 22. T-shaped slide. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0019] See also Figure 1-5 The utility model provides a safe and easy-to-operate cantilever lifting device, including a steel beam 4, a fixed frame 2 and a clamp sling 10, a plurality of fixed frames 3 are fixedly connected to the steel beam 4, one side of the plurality of fixed frames 3 is fixedly connected to one side of the fixed frame 2, the other side of the fixed frame 2 is rotatably connected to a shaft rod 5, a cantilever fixing seat 12 is fixedly connected to the bottom of one side of the shaft rod 5, a cantilever 1 is fixedly connected to the end of the cantilever fixing seat 12 away from the shaft rod 5, and an upper connecting seat 7 and a plurality of rope seats 11 are slidably connected to the bottom of the cantilever 1 The bottom of the upper connecting seat 7 is connected to the lower connecting seat 13, the bottom of the lower connecting seat 13 is installed with an electric hoist 9, the surface of the electric hoist 9 is fixedly installed with a wireless remote communicator 14, the end of the lifting chain of the electric hoist 9 is fixedly connected to a hook 15, and the hook 15 is connected to two slings 16, the bottom ends of the two slings 16 are fixedly connected to the two ends of the top of the clamp sling 10, and the top of the cantilever 1 is fixedly connected to two fixed ropes 8, and the ends of the two fixed ropes 8 away from the cantilever 1 are fixedly connected to the shaft 5;

[0020] When in use, the fixed frame 2 is fixed on the steel beam 4 of the railway bridge through multiple fixed frames 3. The fixed frame 2 is connected to the cantilever 1 through a rotatable shaft rod 5, so the cantilever 1 can rotate and move. The electric hoist 9 is installed at the bottom of the cantilever 1 through the upper connecting seat 7, and the clamp hanger 10 clamps the bridge sleeper. The electric hoist 9 drives the clamp hanger 10 to rise, thereby clamping the bridge sleeper.

[0021] The wireless remote communicator 14 is electrically connected to the electric hoist 9 . The model of the wireless remote communicator 14 is F0031-DTD418M. The wireless remote communicator 14 receives the command signal of the remote controller and then sends it to the electric hoist 9 to realize the remote control of the electric hoist 9 .

[0022] A T-shaped sliding groove 22 is provided at the bottom of the cantilever 1 and is slidably connected to the upper connecting seat 7 and the plurality of rope seats 11, so that the upper connecting seat 7 and the plurality of rope seats 11 can slide, thereby adjusting the position of the bridge sleeper.

[0023] The two fixing ropes 8 each include a long rope 18 and a short rope 20, one end of the long rope 18 is fixedly connected to a rope connector 19, the long rope 18 is connected to one end of the short rope 20 through the rope connector 19, one end of the long rope 18 away from the rope connector 19 is fixedly connected to an upper rope fixing seat 17, and one end of the short rope 20 away from the rope connector 19 is fixedly connected to a lower rope fixing seat 21, the two upper rope fixing seats 17 are both fixed to the top of one side of the shaft rod 5, and the two lower rope fixing seats 21 are respectively fixed to the middle of the top of the cantilever 1 and the end of the top of the cantilever 1 away from the shaft rod 5;

[0024] When in use, the extended front end of the cantilever 1 is fixed by two fixing ropes 8 to improve the stability and safety of the cantilever 1. The fixing rope 8 is composed of a long rope 18, a rope connector 19 and a short rope 20. The long rope 18 and the short rope 20 are connected by the rope connector 19. The long rope 18 is fixedly connected to the shaft rod 5 through the upper rope fixing seat 17, and the short rope 20 is fixedly connected to the cantilever 1 through the lower rope fixing seat 21.

[0025] A limiting rope 6 is connected between multiple rope seats 11, one end of the limiting rope 6 is fixedly connected to the upper connecting seat 7, and the other end of the limiting rope 6 is fixedly connected to one end of the bottom of the cantilever 1 near the fixed seat. As the upper connecting seat 7 slides, the limiting rope 6 drives the rope seat 11 to slide, and the limiting rope 6 is limited by the rope seat 11 to keep the limiting rope 6 neat. The sliding range of the upper connecting seat 7 is limited by the limiting rope 6 to prevent the upper connecting seat 7 from colliding with the end of the T-shaped slide groove 22 on the cantilever 1, thereby preventing the cantilever 1 from being damaged and preventing the upper connecting seat 7 from accidentally detaching.

[0026] When the embodiment of the present application is in use: the fixing frame 2 is fixed on the steel beam 4 of the railway bridge through a plurality of fixing frames 3, the fixing frame 2 is connected to the cantilever 1 through a rotatable shaft rod 5, the electric hoist 9 is installed at the bottom of the cantilever 1 through an upper connecting seat 7, the device is small in size and suitable for high altitude and narrow space conditions of railway bridges, the clamp hanger 10 is aimed at the railway bridge sleeper, the wireless remote communicator 14 receives the command signal of the remote control, and then sends it to the electric hoist 9, so that the remote control electric hoist 9 works, the electric hoist 9 drives the clamp hanger 10 to rise, thereby clamping the bridge sleeper, and then the cantilever 1 is rotated manually, and the cantilever 1 rotates with the shaft 5 as the center of the circle, and at the same time, the upper connecting seat 7 can slide along the T-shaped slot 22 on the cantilever 1, so the bridge sleeper is moved manually, and the bridge sleeper and the electric hoist 9 move along the direction of the T-shaped slot 22, so as to adjust the position of the bridge sleeper. When the unloading position is reached, the electric hoist 9 is remotely controlled to drive the clamp hanger 10 to descend, so that the bridge sleeper descends until the clamp hanger 10 releases the clamping fixation on the bridge sleeper, and the transportation of the bridge sleeper is completed. The original manual transportation is improved to lifting through the cantilever and the electric hoist, which reduces the work intensity of the staff, reduces the cost of manual transportation, and improves the transportation speed.

[0027] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A safe and easy-to-operate cantilever lifting device, comprising a steel beam (4), a fixing frame (2) and a clamping device (10), characterized in that: A plurality of fixing frames (3) are fixedly connected to the steel beam (4), one side of each of the fixing frames (3) is fixedly connected to one side of the fixing frame (2), the other side of the fixing frame (2) is rotatably connected to a shaft rod (5), the bottom of one side of the shaft rod (5) is fixedly connected to a cantilever fixing seat (12), the end of the cantilever fixing seat (12) facing away from the shaft rod (5) is fixedly connected to a cantilever (1), the bottom of the cantilever (1) is slidably connected to an upper connecting seat (7) and a plurality of rope seats (11), the bottom of the upper connecting seat (7) is connected to a lower connecting seat (13), An electric hoist (9) is installed at the bottom of the lower connecting seat (13), and a wireless remote communicator (14) is fixedly installed on the surface of the electric hoist (9). A hook (15) is fixedly connected to the end of the lifting chain of the electric hoist (9), and two slings (16) are connected to the hook (15). The bottom ends of the two slings (16) are fixedly connected to the two ends of the top of the clamp sling (10). The top of the cantilever (1) is fixedly connected to two fixed ropes (8), and the ends of the two fixed ropes (8) facing away from the cantilever (1) are fixedly connected to the shaft rod (5).

2. A safe and easy-to-operate cantilever lifting device according to claim 1, characterized in that: The wireless remote communicator (14) is electrically connected to the electric hoist (9).

3. A safe and easy-to-operate cantilever lifting device according to claim 1, characterized in that: The bottom of the cantilever (1) is provided with a T-shaped sliding groove (22) which is slidably connected to the upper connecting seat (7) and a plurality of rope seats (11).

4. A safe and easy-to-operate cantilever lifting device according to claim 1, characterized in that: The two fixed ropes (8) each comprise a long rope (18) and a short rope (20), one end of the long rope (18) being fixedly connected to a rope connector (19), and the long rope (18) being connected to one end of the short rope (20) via the rope connector (19).

5. A safe and easy-to-operate cantilever lifting device according to claim 4, characterized in that: One end of the long rope (18) away from the rope connector (19) is fixedly connected to an upper rope fixing seat (17), and one end of the short rope (20) away from the rope connector (19) is fixedly connected to a lower rope fixing seat (21).

6. A safe and easy-to-operate cantilever lifting device according to claim 5, characterized in that: The two upper rope fixing seats (17) are both fixed to the top end of one side of the shaft rod (5), and the two lower rope fixing seats (21) are respectively fixed to the middle of the top of the cantilever (1) and one end of the top of the cantilever (1) away from the shaft rod (5).

7. A safe and easy-to-operate cantilever lifting device according to claim 1, characterized in that: A limiting rope (6) is connected between the plurality of rope seats (11), one end of the limiting rope (6) is fixedly connected to the upper connecting seat (7), and the other end of the limiting rope (6) is fixedly connected to one end of the bottom of the cantilever (1) adjacent to the fixed seat.

Images