Feeding device for construction site construction
By designing a feeding device with a limiting mechanism and a ratchet mechanism, the safety hazards caused by the lack of fall-proof function in the prior art are solved, and the sudden brake stop of the feeding table when the steel cable breaks is achieved, which improves safety.
Patent Information
- Application Number
- CN202421944513.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-13
- Publication Date
- 2025-05-09
- Estimated Expiration
- 2034-08-13
AI Technical Summary
The existing oblique edge loading device lacks the anti-fall function, which causes the loading table to fall rapidly when the steel cable breaks, posing a major safety hazard.
A feeding device including rails, beams, feeding tables, rollers, limiting mechanisms and ratchet mechanisms is designed. Through the centrifugal force of the ratchet mechanism and the friction force of the damping mechanism, the sudden brake stop function of the feeding table is realized to prevent falling.
Effectively prevent the rapid fall of the loading table when the internal steel cable of the loading device is broken, improve the safety of the device, and solve the safety accident problem caused by the lack of fall-proof function in the prior art.
Smart Images

Figure CN222846376U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field related to a feeding device, in particular to a feeding device for construction sites. Background Art
[0002] The bevel feeding device is also called the slope feeding device, among which the ivy feeding machine is the most representative. It mainly uses the motor to drive the cable to lift the heavy object along the bracket. The bevel feeding device is widely used in construction and other civil engineering projects.
[0003] The utility model patent with the announcement number CN214360008U discloses a bevel feeding device for construction site, which belongs to the technical field related to feeding devices, and solves the problem that most of the existing technologies lack overload protection function, and safety accidents may occur due to overweight of goods during use, which has great potential safety hazards. The utility model patent discloses a bevel feeding device for construction site, which belongs to the technical field related to feeding devices, and solves the problem that most of the existing technologies lack overload protection function, and safety accidents may occur due to overweight of goods during use, which has great potential safety hazards. The utility model patent discloses a bevel feeding device for construction site, which belongs to the technical field related to feeding devices, and solves the problem that most of the existing bevel feeding devices ...
[0004] However, the above patent still has shortcomings: although the patent has an overload protection function, it does not have an anti-fall function, so that when the steel cable inside the feeding device breaks, the feeding platform will fall quickly, causing a major safety accident. Utility Model Content
[0005] In order to make up for the above shortcomings, the utility model provides a loading device for construction site to solve the problem that the existing loading device proposed in the above background technology does not have an anti-fall function, so that when the steel cable inside the loading device breaks, the loading platform will fall quickly, thereby causing a major safety accident.
[0006] The technical solution of the utility model is:
[0007] A feeding device for construction site, comprising: a motor box; a track is fixedly connected to the top of the motor box, a crossbeam is fixedly connected to the top of the track, a feeding platform is provided on one side of the track, four rollers are provided on the side of the feeding platform close to the track, a first rotating shaft is fixedly connected to the inside of the roller, a first fixing plate is fixedly connected to the outer surface of both ends of the first rotating shaft, the first fixing plate is fixedly connected to the feeding platform, and the rollers cooperate with the track; limiting mechanisms for emergency braking of the feeding platform are provided on both sides of the feeding platform; a feeding mechanism for controlling the lifting and lowering of the feeding platform is provided on the top of the crossbeam.
[0008] Preferably, the limiting mechanism includes: second fixed blocks are fixedly connected to both sides of the loading platform, two first steel cables are fixedly connected inside the second fixed blocks, first winding wheels are provided at both ends of the first steel cables, first wheel frames are provided on both sides of the first winding wheel, a second rotating shaft is fixedly connected at the center of the first winding wheel, one end of the second rotating shaft is rotatably connected to the first wheel frame, the other end of the second rotating shaft passes through the first wheel frame and extends to the ratchet, and the ratchet is fixedly connected to the second rotating shaft; a matching limiting wheel is provided on the side of the ratchet away from the second rotating shaft, and a fixing frame is fixedly connected to the side of the limiting wheel away from the ratchet, and the two fixing frames are respectively fixedly connected to the crossbeam and the motor box; a ratchet mechanism is provided between the ratchet and the limiting wheel to prevent the loading platform from falling.
[0009] Preferably, the ratchet mechanism includes: a plurality of limiting teeth are evenly arranged between the ratchet and the limiting wheel, and the limiting teeth are fixedly connected to the limiting wheel; two ratchet bodies are arranged between the limiting teeth, and the opposite ends of the two ratchet bodies are rotatably connected to the ratchet through a third rotating shaft, and a spring is arranged between the two ratchet bodies, and the two ends of the spring are respectively fixedly connected to the ratchet body, and the ratchet body cooperates with the ratchet.
[0010] Preferably, the feeding mechanism includes: a second winding wheel is provided on the top of the cross beam, a third winding wheel is provided inside the motor box, the second winding wheel and the third winding wheel are connected by three second steel cables, one end of the second steel cable is fixedly connected to the third winding wheel, the end of the second steel cable away from the third winding wheel is fixedly connected to a connecting block, and the connecting block is fixedly connected to the feeding platform; the second winding wheel and the third winding wheel are fixedly connected at the center of the circle with a fourth rotating shaft, the outer surfaces of both ends of the fourth rotating shaft are fixedly connected to second wheel frames, and the second wheel frames are respectively fixedly connected to the cross beam and the motor box; one end of one of the fourth rotating shafts is provided with a power mechanism with a self-locking function.
[0011] Preferably, the power mechanism includes: one end of the fourth rotating shaft passes through the second wheel frame and extends to the worm wheel, a worm is meshed on one side of the worm wheel, and both ends of the worm are rotatably connected to the motor box; a first bevel gear is fixedly connected to the outer surface of the bottom end of the worm, a second bevel gear is meshed on one side of the first bevel gear, a motor is provided on one side of the second bevel gear, the motor is fixedly connected to the motor box, and the second bevel gear is fixedly connected to the output end of the motor.
[0012] Preferably, two structural plates are provided at the bottom of the loading platform, and the structural plates are fixedly connected to the loading platform.
[0013] Preferably, a damping pad is provided on the top of the loading platform, and the damping pad is fixedly connected to the loading platform.
[0014] Compared with the prior art, the beneficial effects of the utility model are:
[0015] Firstly, the utility model can effectively prevent the steel cable inside the feeding device from breaking and prevent the feeding platform from falling rapidly through the coordinated action of the track, the beam, the feeding platform, the roller, the first rotating shaft, the first fixed plate and the limiting mechanism, thereby improving the safety of the device and solving the problem that the existing feeding device does not have the anti-fall function, so that when the steel cable inside the feeding device breaks, the feeding platform will fall rapidly, thus causing a major safety accident.
[0016] Secondly, with the cooperation of the track, beam, loading platform, roller, first rotating shaft, first fixed plate and loading mechanism of the utility model, the materials required for construction site can be lifted from the ground to a higher building to facilitate workers to carry out construction, thereby improving practicality and solving the problems of workers' transportation, increased workers' workload and low work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 It is a three-dimensional structural schematic diagram of a material feeding device for construction site of the utility model;
[0018] Figure 2 For the utility model Figure 1 The enlarged structural diagram at A in the middle;
[0019] Figure 3 It is a side cross-sectional structural schematic diagram of a material feeding device for construction site of the utility model;
[0020] Figure 4 This is a schematic diagram of the structure of the feeding mechanism of the utility model;
[0021] Figure 5 This is a schematic diagram of the structure of the limiting mechanism of the utility model;
[0022] Figure 6 This is a schematic diagram of the ratchet mechanism structure of the utility model;
[0023] Figure 7 It is a schematic diagram of the structure of the loading platform and the damping pad of the utility model.
[0024] In the figure:
[0025] 1. Motor box; 2. Track; 3. Crossbeam; 4. Feeding platform; 5. Roller; 6. First rotating shaft; 7. First fixed plate; 8. Limiting mechanism; 9. Feeding mechanism; 10. Second fixed block; 11. First steel cable; 12. First winding wheel; 13. First wheel frame; 14. Second rotating shaft; 15. Ratchet; 16. Limiting wheel; 17. Fixed frame; 18. Ratchet mechanism; 19. Limiting tooth; 20. Ratchet body; 21. Third rotating shaft; 22. Spring; 23. Second winding wheel; 24. Third winding wheel; 25. Second steel cable; 26. Connecting block; 27. Fourth rotating shaft; 28. Second wheel frame; 29. Power mechanism; 30. Worm wheel; 31. Worm; 32. First bevel gear; 33. Second bevel gear; 34. Motor; 35. Structural plate; 36. Damping pad. DETAILED DESCRIPTION
[0026] 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.
[0027] See also Figures 1 to 7 The utility model describes the above technical solution in detail through the following embodiments:
[0028] A feeding device for construction site, comprising: a motor box 1; a track 2 is fixedly connected to the top of the motor box 1, a crossbeam 3 is fixedly connected to the top of the track 2, a feeding platform 4 is arranged on one side of the track 2, and four rollers 5 are arranged on the side of the feeding platform 4 close to the track 2, the inside of the rollers 5 are fixedly connected to the first rotating shaft 6, the outer surfaces of both ends of the first rotating shaft 6 are fixedly connected to the first fixed plates 7, the first fixed plates 7 are fixedly connected to the feeding platform 4, and the rollers 5 cooperate with the track 2; both sides of the feeding platform 4 are provided with limiting mechanisms 8 for emergency braking of the feeding platform 4; the top of the crossbeam 3 is provided with a feeding mechanism 9 for controlling the feeding platform 4 to be lifted and lowered, and the user can pull the feeding platform 4 through the feeding mechanism 9, the feeding platform 4 drives the first fixed plate 7, the first fixed plate 7 drives the first rotating shaft 6, and the first rotating shaft 6 drives the rollers 5, so that the rollers 5 roll on the surface of the track 2, thereby controlling the feeding platform 4 to perform vertical lifting and lowering movements, thereby achieving the purpose of feeding materials for construction site.
[0029] like Figure 2 , Figure 5 and Figure 6As shown, the limiting mechanism 8 includes: second fixed blocks 10 are fixedly connected to both sides of the loading platform 4, two first steel cables 11 are fixedly connected inside the second fixed blocks 10, first winding wheels 12 are arranged at both ends of the first steel cables 11, first wheel frames 13 are arranged on both sides of the first winding wheel 12, and a second rotating shaft 14 is fixedly connected at the center of the first winding wheel 12, one end of the second rotating shaft 14 is rotatably connected to the first wheel frame 13, the other end of the second rotating shaft 14 passes through the first wheel frame 13 and extends to the ratchet 15, and the ratchet 15 is fixedly connected to the second rotating shaft 14; a matching limiting wheel 16 is arranged on the side of the ratchet 15 away from the second rotating shaft 14, and a fixing frame 17 is fixedly connected to the side of the limiting wheel 16 away from the ratchet 15, and the two fixing frames 17 are respectively fixedly connected to the crossbeam 3 and the motor box 1; a ratchet mechanism 18 is arranged between the ratchet 15 and the limiting wheel 16 to prevent the loading platform 4 from falling, The first gear 11 is provided with a damping mechanism between the first gear 11 and the first winding wheel 12, and the damping mechanism has the function of increasing the friction between the first gear 11 and the first winding wheel 12. The function adopts the existing structure and is not elaborated herein. When the gear 11 inside the feeding device breaks, the feeding platform 4 falls rapidly due to gravity. The feeding platform 4 falls rapidly while driving the second fixed block 10. The second fixed block 10 pulls the second gear 25. The second gear 25 drives the first winding wheel 12. The first winding wheel 12 rotates at a high speed inside the first wheel frame 13 through the cooperation of the second rotating shaft 14. The first winding wheel 12 rotates while driving the ratchet 15 through the second rotating shaft 14. The ratchet 15 generates a large centrifugal force while rotating, so that the ratchet mechanism 18 between the ratchet 15 and the limiting wheel 16 generates centrifugal force, and then the ratchet 15 is engaged with the limiting wheel 16, so as to realize the function of emergency stop of the ratchet 15 and achieve the purpose of controlling the emergency stop of the feeding platform 4.
[0030] like Figure 6 As shown, the ratchet mechanism 18 includes: a plurality of limit teeth 19 are evenly arranged between the ratchet 15 and the limit wheel 16, and the limit teeth 19 are fixedly connected to the limit wheel 16; two ratchet bodies 20 are arranged between the limit teeth 19, and the opposite ends of the two ratchet bodies 20 are rotatably connected to the ratchet 15 through a third rotating shaft 21, and a spring 22 is arranged between the two ratchet bodies 20, and the two ends of the spring 22 are respectively fixedly connected to the ratchet body 20, and the ratchet body 20 cooperates with the ratchet 15, and the ratchet 15 drives the ratchet body 20 to rotate through the third rotating shaft 21 while rotating at a high speed. When the ratchet body 20 rotates, the centrifugal force causes the ratchet body 20 to rotate on the surface of the third rotating shaft 21, and the ratchet body 20 engages with the limit teeth 19 while rotating, so that the ratchet 15 can be stopped urgently.
[0031] like Figure 4As shown, the feeding mechanism 9 includes: a second winding wheel 23 is arranged on the top of the cross beam 3, a third winding wheel 24 is arranged inside the motor box 1, the second winding wheel 23 and the third winding wheel 24 are connected by three second steel cables 25, one end of the second steel cable 25 is fixedly connected to the third winding wheel 24, and the end of the second steel cable 25 away from the third winding wheel 24 is fixedly connected to a connecting block 26, and the connecting block 26 is fixedly connected to the feeding platform 4; the second winding wheel 23 and the third winding wheel 24 are fixedly connected at the center of the circle, and the outer surfaces of both ends of the fourth rotating shaft 27 are fixedly connected to second wheel frames 28, and the second wheel frames 28 are respectively fixedly connected to the cross beam 3 and the motor box 1; one of the fourth rotating shafts 27 A power mechanism 29 with a self-locking function is provided at one end, and a damping mechanism is provided between the second steel cable 25 and the second winding wheel 23 and the third winding wheel 24. The damping mechanism has the function of increasing the friction between the second steel cable 25 and the second winding wheel 23 and the third winding wheel 24. The function adopts the existing structure and is not elaborated on. The power mechanism 29 is started, and the power mechanism 29 drives the third winding wheel 24 to rotate inside the second wheel frame 28 through the fourth rotating shaft 27. While the third winding wheel 24 rotates, it pulls one end of the second steel cable 25. The second steel cable 25 drives the connecting block 26 through the cooperation of the second winding wheel 23. The connecting block 26 pulls the loading platform 4 to control the purpose of lifting and lowering the loading platform 4, thereby realizing loading.
[0032] like Figure 4 As shown, the power mechanism 29 includes: one end of a fourth rotating shaft 27 passes through the second wheel frame 28 and extends to the worm gear 30, one side of the worm gear 30 is meshed with a worm 31, and both ends of the worm 31 are rotatably connected to the motor box 1; a first bevel gear 32 is fixedly connected to the outer surface of the bottom end of the worm 31, one side of the first bevel gear 32 is meshed with a second bevel gear 33, one side of the second bevel gear 33 is provided with a motor 34, the motor 34 is fixedly connected to the motor box 1, and the second bevel gear 33 is fixedly connected to the output end of the motor 34, the motor 34 is started, the output end of the motor 34 drives the second bevel gear 33, the second bevel gear 33 drives the first bevel gear 32, the first bevel gear 32 drives the worm 31 to rotate, the worm 31 rotates and drives the worm wheel 30 at the same time, the worm wheel 30 drives the third winding wheel 24 to rotate through the fourth rotating shaft 27, and then winds one end of the second steel cable 25.
[0033] like Figure 1 and Figure 3 As shown, two structural plates 35 are disposed at the bottom of the loading platform 4 , and the structural plates 35 are fixedly connected to the loading platform 4 , thereby improving the structural stability of the loading platform 4 .
[0034] like Figure 3 and Figure 7As shown, a damping pad 36 is provided on the top of the loading platform 4, and the damping pad 36 is fixedly connected to the loading platform 4, thereby increasing the friction force on the top of the loading platform 4 and reducing the occurrence of construction materials falling from the loading platform.
[0035] Working principle: When the steel cable inside the feeding device breaks, the feeding platform 4 falls rapidly due to gravity, and the feeding platform 4 falls rapidly while driving the second fixed block 10, the second fixed block 10 pulls the second steel cable 25, the second steel cable 25 drives the first winding wheel 12, the first winding wheel 12 rotates at high speed inside the first wheel frame 13 through the cooperation of the second rotating shaft 14, and the first winding wheel 12 rotates while driving the ratchet 15 through the second rotating shaft 14, and the ratchet 15 generates a large centrifugal force while rotating, and the ratchet 15 drives the ratchet body 20 through the third rotating shaft 21 while rotating at high speed. The ratchet body 20 rotates on the surface of the third rotating shaft 21 due to the centrifugal force while rotating, and the ratchet body 20 engages with the limit tooth 19 while rotating, so that the ratchet 15 makes an emergency stop, thereby achieving the purpose of controlling the emergency stop of the loading platform 4, which can effectively prevent the steel cable inside the loading device from breaking and avoid the loading platform from falling quickly, thereby improving the safety of the device and solving the problem that the existing loading device does not have the anti-falling function, so that when the steel cable inside the loading device breaks, the loading platform will fall quickly, thereby causing a major safety accident.
[0036] The motor 34 is started, and the output end of the motor 34 drives the second bevel gear 33, and the second bevel gear 33 drives the first bevel gear 32, and the first bevel gear 32 drives the worm 31 to rotate. The worm 31 rotates and drives the worm wheel 30 at the same time. The worm wheel 30 drives the third winding wheel 24 to rotate through the fourth rotating shaft 27, and then winds one end of the second steel cable 25. The third winding wheel 24 rotates and pulls one end of the second steel cable 25. The second steel cable 25 drives the connecting block 26 through the cooperation of the second winding wheel 23, and the connecting block 26 pulls the loading platform 4 to control the purpose of lifting the loading platform 4, thereby realizing loading. The materials needed for construction on the construction site can be lifted from the ground to a higher building to facilitate workers to carry out construction, thereby improving practicality, solving the problems of workers' carrying, increased workers' workload, and low work efficiency.
[0037] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, ordinary technicians in this field should understand that they can still modify the technical solutions recorded in the aforementioned embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not make the essence of the corresponding technical solution deviate from the scope of the technical solution of the embodiments of the utility model.
Claims
1. A material feeding device for construction site, comprising: Motor box (1); It is characterized in that the top of the motor box (1) is fixedly connected to a track (2), the top of the track (2) is fixedly connected to a crossbeam (3), one side of the track (2) is provided with a loading platform (4), and the side of the loading platform (4) close to the track (2) is provided with four rollers (5), the inside of the rollers (5) are fixedly connected to a first rotating shaft (6), the outer surfaces of both ends of the first rotating shaft (6) are fixedly connected to a first fixing plate (7), the first fixing plate (7) is fixedly connected to the loading platform (4), and the rollers (5) match the track (2); Limiting mechanisms (8) for emergency braking of the loading platform (4) are provided on both sides of the loading platform (4); A loading mechanism (9) for controlling the lifting of the loading platform (4) is arranged on the top of the crossbeam (3).
2. A material feeding device for construction site as claimed in claim 1, characterized in that: The limiting mechanism (8) comprises: The two sides of the loading platform (4) are fixedly connected with second fixed blocks (10), the interior of the second fixed blocks (10) are fixedly connected with two first steel cables (11), the two ends of the interior of the first steel cables (11) are provided with first winding wheels (12), the two sides of the first winding wheel (12) are provided with first wheel frames (13), the center of the first winding wheel (12) is fixedly connected with a second rotating shaft (14), one end of the second rotating shaft (14) is rotatably connected to the first wheel frame (13), the other end of the second rotating shaft (14) passes through the first wheel frame (13) and extends to the ratchet (15), and the ratchet (15) is fixedly connected to the second rotating shaft (14); A matching limiting wheel (16) is provided on one side of the ratchet wheel (15) away from the second rotating shaft (14), and a fixing frame (17) is fixedly connected to one side of the limiting wheel (16) away from the ratchet wheel (15), and the two fixing frames (17) are fixedly connected to the crossbeam (3) and the motor box (1) respectively; A ratchet mechanism (18) is provided between the ratchet wheel (15) and the limiting wheel (16) to prevent the loading platform (4) from falling.
3. A material feeding device for construction site as claimed in claim 2, characterized in that: The ratchet mechanism (18) comprises: A plurality of limiting teeth (19) are evenly arranged between the ratchet wheel (15) and the limiting wheel (16), and the limiting teeth (19) are fixedly connected to the limiting wheel (16); Two ratchet bodies (20) are arranged between the limiting teeth (19), and opposite ends of the two ratchet bodies (20) are rotatably connected to the ratchet wheel (15) through a third rotating shaft (21). A spring (22) is arranged between the two ratchet bodies (20), and both ends of the spring (22) are fixedly connected to the ratchet body (20), respectively, and the ratchet body (20) matches the ratchet wheel (15).
4. A material feeding device for construction site as claimed in claim 1, characterized in that: The feeding mechanism (9) comprises: A second winding wheel (23) is arranged on the top of the crossbeam (3), and a third winding wheel (24) is arranged inside the motor box (1); the second winding wheel (23) and the third winding wheel (24) are connected via three second steel cables (25); one end of the second steel cable (25) is fixedly connected to the third winding wheel (24); one end of the second steel cable (25) away from the third winding wheel (24) is fixedly connected to a connecting block (26); and the connecting block (26) is fixedly connected to the loading platform (4); The centers of the second winding wheel (23) and the third winding wheel (24) are fixedly connected to a fourth rotating shaft (27), the outer surfaces of both ends of the fourth rotating shaft (27) are fixedly connected to a second wheel frame (28), and the second wheel frame (28) is fixedly connected to the crossbeam (3) and the motor box (1), respectively; One end of one of the fourth rotating shafts (27) is provided with a power mechanism (29) having a self-locking function.
5. A material feeding device for construction site as claimed in claim 4, characterized in that: The power mechanism (29) comprises: One end of one of the fourth rotating shafts (27) passes through the second wheel frame (28) and extends to the worm wheel (30), one side of the worm wheel (30) is meshed with a worm (31), and both ends of the worm (31) are rotatably connected to the motor box (1); A first bevel gear (32) is fixedly connected to the outer surface of the bottom end of the worm (31); a second bevel gear (33) is meshed on one side of the first bevel gear (32); a motor (34) is provided on one side of the second bevel gear (33); the motor (34) is fixedly connected to the motor box (1); and the second bevel gear (33) is fixedly connected to an output end of the motor (34).
6. A material feeding device for construction site as claimed in claim 1, characterized in that: Two structural plates (35) are arranged at the bottom of the loading platform (4), and the structural plates (35) are fixedly connected to the loading platform (4).
7. A material feeding device for construction site as claimed in claim 1, characterized in that: A damping pad (36) is provided on the top of the loading platform (4), and the damping pad (36) is fixedly connected to the loading platform (4).
Citation Information
Patent Citations
Bevel edge feeding device for construction site construction
CN214360008U