Lifting hook type crane with double-layer trolley

Abstract

The utility model discloses a lifting hook type crane with a double-layer trolley, which relates to the technical field of lifting hook type cranes with double-layer trolleys and comprises a cross beam, specifically, a through groove and two sliding grooves are formed in the top of the cross beam, the through groove penetrates through the cross beam, the two sliding grooves are symmetrical in the front-back direction of the through groove, and moving wheels are rotatably connected to the inner walls of the sliding grooves. The tops of the moving wheels are fixedly connected with a lower vehicle, the left side wall and the right side wall of the lower vehicle are fixedly connected with second protection plates, the four second protection plates are evenly distributed at the four corners of the lower vehicle, the tops of the second protection plates are flush with the top of the lower vehicle, the second protection plates are square, and the second protection plates are made of rubber; the inner walls of the left side and the right side of the sliding groove are both fixedly connected with a first protection plate, the shape of the first protection plate is consistent with that of the sliding groove, one sliding groove corresponds to the two first protection plates, the pressure sensor is easy to use and convenient to operate, the pressure sensor can be conveniently replaced, and meanwhile shaking generated when the trolley stops can be reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of hook type cranes with double-layer trolleys, in particular to a hook type crane with a double-layer trolley. Background Art

[0002] Cranes are a multi-action lifting machinery that can lift heavy objects vertically or move them horizontally within a specified area. They are widely used in today's industrial sites. Cranes, especially garbage cranes, work in harsh environments, operate frequently, and require a relatively accurate record of the daily garbage processing volume. Therefore, the technical requirements for the entire machine are higher than those for general cranes.

[0003] The double-layer weighing trolley is a part of the crane, which is movably arranged on the bridge track. The double-layer weighing trolley includes an upper lifting mechanism, a lower moving mechanism, and multiple weighing sensors arranged between the upper lifting mechanism and the lower moving mechanism. The lifting of the suspended object is achieved through the upper lifting mechanism, the movement of the suspended object on the bridge track is achieved through the lower moving mechanism, and the weighing of the suspended object is achieved through multiple weighing sensors.

[0004] A double-decker trolley, a traveling mechanism and a crane disclosed in the Chinese utility model patent application publication specification CN216105637U, although they solve the problem of inaccurate weighing, the double-decker trolley, the traveling mechanism and the crane still have the following disadvantages: First, when the double-decker trolley moves to both sides of the crane, the side walls of the double-decker trolley collide with the inner wall of the slideway, which causes the double-decker trolley to shake violently and the goods to shake; Second, when the double-decker trolley on the top of the hook crane is used for a long time, the pressure sensor needs to be replaced in order to ensure the accuracy of weighing. When replacing the pressure sensor, the upper trolley needs to be disassembled first, and then the pressure sensor needs to be disassembled and replaced with bolts. The process is relatively cumbersome and time-consuming. 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 hook-type crane with a double-layer trolley, which solves the problems raised in the above-mentioned background technology.

[0007] (II) Technical solution

[0008] To achieve the above objectives, the utility model is implemented through the following technical solutions: a hook crane with a double-decker trolley, comprising a crossbeam, a through slot and a slide slot being provided on the top of the crossbeam, the through slot running through the crossbeam, the slide slots having two portions and being symmetrical with respect to the through slot, the inner wall of the slide slot being rotatably connected to a moving wheel, the top of the moving wheel being fixedly connected to a lower car, the left and right side walls of the lower car being fixedly connected to a second guard plate, the second guard plates having four portions and being evenly distributed at the four corners of the lower car, the top of the second guard plate being flush with the top of the lower car, the second guard plate being square, the material of the second guard plate being rubber, the left and right side inner walls of the slide slot being fixedly connected to a first guard plate, the shape of the first guard plate being consistent with that of the slide slot, the one slide slot corresponding to the two first guard plates, and the tops of the left and right side walls of the crossbeam being fixedly connected to a connecting plate.

[0009] Optionally, the inner side wall of the connecting plate is fixedly connected to an outer rod, the inner side wall of the outer rod is provided with a second groove, the inner wall of the second groove is fixedly connected to a first spring, the end of the first spring away from the inner wall of the second groove is fixedly connected to the inner rod, the inner rod is slidably connected to the inner wall of the second groove, the inner side wall of the inner rod is fixedly connected to a third guard plate, the inner side wall of the third guard plate is provided with a first slot, the size and shape of the first slot are consistent with those of the second guard plate, the material of the first guard plate and the third guard plate is consistent with that of the second guard plate, and the bottom of the left and right sides of the beam are fixedly connected to load-bearing rods.

[0010] Optionally, a first groove is provided at the top of the lower car, the first groove is square, the first groove is located in the center of the lower car, the four corners of the top of the lower car and the four corners of the first groove are fixedly connected with fixing rods, the fixing rods are circular, a fixing groove is provided at the top of the fixing rods, an electric telescopic rod is fixedly connected to the top of the first groove, the telescopic end of the electric telescopic rod is fixedly connected to a top plate, the top plate is square, there are four electric telescopic rods and they are symmetrical about the first groove, and an upper car is provided above the lower car.

[0011] Optionally, a through hole is provided at the top center of the upper vehicle and the top center of the first groove, the through hole passes through the upper vehicle and the lower vehicle, the size and shape of the upper vehicle are consistent with those of the lower vehicle, a reel is provided at the top of the upper vehicle, a cable is provided at the outer end of the reel, the cable is located inside the through hole, a hook is fixedly connected to the end of the cable away from the reel, a second slot is provided at the bottom of the upper vehicle, the size and shape of the second slot are consistent with the top plate, the second slot is located directly above the top plate, a connecting rod is fixedly connected to the bottom of the upper vehicle, and the bottom of the connecting rod is a table-like shape with a larger top and a smaller bottom.

[0012] Optionally, the number of the connecting rods is consistent with that of the fixed rods and corresponds one to one, the connecting rods are respectively located directly above the fixed rods and have a diameter consistent with the fixed grooves, a pressure sensor is provided on the top of the lower car, a pressure block is fixedly connected to the bottom of the upper car, the pressure block is located directly above the pressure sensor and is tightly attached to the top of the pressure sensor, there are two pressure sensors and two pressure blocks and they are symmetrical about the lower car, a clamping rod is fixedly connected to the outer wall of the pressure sensor, a clamping end is fixedly connected to the bottom of the clamping rod, and the bottom back side of the clamping end is wedge-shaped with a low front and a high rear.

[0013] Optionally, the left and right side walls of the get-off vehicle are fixedly connected with a card seat, a front groove and a rear groove are provided on the top of the card seat, a partition is provided in the middle of the front groove and the rear groove, a movable hole is provided in the middle of the partition, the clamping end and the clamping rod are both slidably connected to the inner wall of the front groove, the size of the clamping end is consistent with the front groove, the inner wall of the movable hole is slidably connected with a mating end, the top front side of the mating end is consistent with the bottom back side of the clamping end, the back side of the mating end is fixedly connected with a lever, the lever is located inside the rear groove and is slidably connected to the inner wall of the rear groove, the rear side wall of the lever is fixedly connected with a second spring, and the end of the second spring away from the lever is fixedly connected to the inner wall of the rear groove.

[0014] (III) Beneficial effects

[0015] The utility model provides a hook-type crane with a double-layer trolley, which has the following beneficial effects:

[0016] 1. The hook crane with a double-layer trolley has the first guard plate and the third guard plate made of the same material as the second guard plate, and the second guard plate is made of rubber. This enables the hook crane with a double-layer trolley to reduce damage to the inner wall of the chute when the trolley stops and hits the inner wall of the chute. The first guard plate, the second guard plate, the third guard plate and the first spring are matched to reduce the inertia force of the trolley when it stops during use, thereby facilitating the stable stopping of the trolley and achieving the purpose of reducing the shaking of the trolley when it stops.

[0017] 2. The hook crane with a double-layer trolley can lift the upper car upwards through the coordinated arrangement of the electric telescopic rod, the top plate and the second card slot, thereby facilitating the removal of the pressure sensor. Through the coordinated arrangement of the clamping end and the matching end, the pressure sensor can be quickly removed from the top of the lower car during use, thereby saving time and improving work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a three-dimensional schematic diagram of the entire utility model;

[0019] Figure 2 It is the overall front view of the utility model;

[0020] Figure 3 It is a three-dimensional schematic diagram of the fixing groove of the utility model;

[0021] Figure 4 This is a schematic diagram of the top of the vehicle that can be disembarked from the utility model;

[0022] Figure 5 It is a three-dimensional schematic diagram of the vehicle of the utility model;

[0023] Figure 6 It is a schematic diagram of the right side of the interior of the card holder of the utility model.

[0024] In the figure: 1. cross beam; 2. load-bearing rod; 3. through groove; 4. slide groove; 5. moving wheel; 6. get off; 7. first groove; 8. through hole; 9. first guard plate; 10. second guard plate; 11. connecting plate; 12. outer rod; 13. first spring; 14. inner rod; 15. third guard plate; 16. first slot; 17. fixed rod; 18. fixed slot; 19. electric telescopic rod; 20. top plate; 21. get on the car; 22. reel; 23. pressure block; 24. connecting rod; 25. second slot; 26. holder; 27. pressure sensor; 28. clamping rod; 29. ​​clamping end; 30. front slot; 31. rear slot; 32. partition; 33. mating end; 34. lever; 35. second spring. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0026] Embodiment 1:

[0027] See also Figures 1 to 4The utility model provides a technical solution: a hook crane with a double-layer trolley, including a crossbeam 1, a through slot 3 and a chute 4 are opened on the top of the crossbeam 1, the through slot 3 runs through the crossbeam 1, the chute 4 has two and is symmetrical with the through slot 3, the inner wall of the chute 4 is rotatably connected with a moving wheel 5, the top of the moving wheel 5 is fixedly connected with a lower car 6, the left and right side walls of the lower car 6 are fixedly connected with a second guard plate 10, the second guard plate 10 has four and is evenly distributed at the four corners of the lower car 6, the top of the second guard plate 10 is connected with the lower car 6, and the lower car 6 is fixedly connected with the lower car 6. The top of the lower car 6 is flush, the second guard plate 10 is square, the material of the second guard plate 10 is rubber, the left and right inner walls of the chute 4 are fixedly connected with the first guard plate 9, the shape of the first guard plate 9 is consistent with the chute 4, one chute 4 corresponds to the two first guard plates 9, the tops of the left and right side walls of the crossbeam 1 are fixedly connected with the connecting plate 11, the inner wall of the connecting plate 11 is fixedly connected with the outer rod 12, the inner wall of the outer rod 12 is provided with a second groove, the inner wall of the second groove is fixedly connected with the first spring 13, the first spring The end of the spring 13 away from the inner wall of the second groove is fixedly connected to the inner rod 14, and the inner rod 14 is slidably connected to the inner wall of the second groove. The inner side wall of the inner rod 14 is fixedly connected to the third guard plate 15. The inner side wall of the third guard plate 15 is provided with a first card slot 16. The size and shape of the first card slot 16 are consistent with the second guard plate 10. The material of the first guard plate 9 and the third guard plate 15 is consistent with the second guard plate 10. The bottom of the left and right sides of the crossbeam 1 are fixedly connected to the load-bearing rod 2. The top of the lower car 6 is provided with a first groove 7. A groove 7 is square in shape, and the first groove 7 is located at the center of the get-off car 6. The four corners of the top of the get-off car 6 and the four corners of the first groove 7 are fixedly connected with fixing rods 17. The fixing rod 17 is circular, and a fixing groove 18 is provided on the top of the fixing rod 17. An electric telescopic rod 19 is fixedly connected to the top of the first groove 7, and the telescopic end of the electric telescopic rod 19 is fixedly connected to a top plate 20. The top plate 20 is square in shape, and there are four electric telescopic rods 19 that are symmetrical about the first groove 7. A boarding car 21 is provided above the get-off car 6.

[0028] During use, when the double-decker trolley moves to both sides of the crane, the side walls of the double-decker trolley collide with the inner walls of the slide 4, which will cause the double-decker trolley to shake violently and cause the goods to shake. Therefore, there is a hook crane with a double-decker trolley. When the trolley moves to the left or right side of the slide 4, the second guard plate 10 enters the first card slot 16, so that the third guard plate 15 moves to the left and right sides of the beam 1, causing the first spring 13 to contract, reducing the impact force of the trolley when it decelerates and stops. By setting the first guard plate 9, the second guard plate 10 and the third guard plate 15 to be made of rubber, the damage to the trolley and the inner walls of the left and right sides of the slide 4 can be reduced when the trolley collides with the inner walls of the left and right sides of the slide 4, and the impact force can be reduced again, thereby helping the trolley to stop stably.

[0029] Embodiment 2:

[0030] See also Figures 1 to 6 The utility model provides a technical solution: a hook-type crane with a double-layer trolley, a through hole 8 is opened at the top center of the upper car 21 and the top center of the first groove 7, the through hole 8 passes through the upper car 21 and the lower car 6, the size and shape of the upper car 21 are consistent with the lower car 6, a drum 22 is arranged on the top of the upper car 21, a cable is arranged at the outer end of the drum 22, the cable is located inside the through hole 8, and the end of the cable away from the drum 22 is fixedly connected with a hook, and a second card slot 25 is opened at the bottom of the upper car 21, and the size and shape of the second card slot 25 are consistent with the size and shape of the lower car 6. The shapes are consistent with the top plate 20, the second card slot 25 is located directly above the top plate 20, the bottom of the upper car 21 is fixedly connected with a connecting rod 24, the bottom of the connecting rod 24 is in a table shape with a large top and a small bottom, the number of the connecting rods 24 is consistent with the fixed rods 17 and corresponds one to one, the connecting rods 24 are respectively located directly above the fixed rods 17 and the diameter is consistent with the fixed slot 18, the top of the lower car 6 is provided with a pressure sensor 27, and the bottom of the upper car 21 is fixedly connected with a pressure block 23, the pressure block 23 is located directly above the pressure sensor 27 and is in contact with the pressure sensor 2 7 is tightly attached to the top, there are two pressure sensors 27 and pressure blocks 23 and they are both symmetrical with respect to the lower car 6, the outer wall of the pressure sensor 27 is fixedly connected with a clamping rod 28, the bottom of the clamping rod 28 is fixedly connected with a clamping end 29, the bottom back of the clamping end 29 is wedge-shaped with a low front and a high rear, the left and right side walls of the lower car 6 are fixedly connected with a clamping seat 26, the top of the clamping seat 26 is provided with a front groove 30 and a rear groove 31, a partition 32 is provided in the middle of the front groove 30 and the rear groove 31, a movable hole is provided in the middle of the partition 32, and the clamping end 29 is fixedly connected with the lower car 6. The card rod 28 is slidably connected to the inner wall of the front slot 30, the size of the card end 29 is consistent with the front slot 30, the inner wall of the movable hole is slidably connected with a mating end 33, the top front of the mating end 33 is consistent with the bottom back of the card end 29, and the back of the mating end 33 is fixedly connected with a lever 34, the lever 34 is located inside the rear slot 31 and is slidably connected to the inner wall of the rear slot 31, and the rear side wall of the lever 34 is fixedly connected with a second spring 35, and the end of the second spring 35 away from the lever 34 is fixedly connected to the inner wall of the rear slot 31.

[0031] During use, when the double-layer trolley on the top of the hook crane is used for a long time, the pressure sensor 27 needs to be replaced because the accuracy of weighing needs to be ensured. When replacing the pressure sensor 27, the upper trolley needs to be disassembled first, and then the pressure sensor 27 needs to be bolted and replaced. The process is relatively cumbersome and time-consuming. Therefore, there is a hook crane with a double-layer trolley. When the pressure sensor 27 needs to be replaced, the telescopic end of the electric telescopic rod 19 is first extended, so that the top plate 20 rises and fits against the inner top wall of the second card slot 25, so that the upper car 21 and the pressure block 23 rise together with the top plate 20. When the telescopic end of the electric telescopic rod 19 stops extending, the lever 34 is moved to the rear side, so that the second spring 35 contracts, so that the matching end 33 slides in the moving hole to the inside of the rear groove 31. At this time, the clamping end 29 and the clamping rod 28 are pulled out, so that the pressure sensor 27 is separated from the top of the lower car 6 for replacement. After the sensor 27 is replaced, the clamping rod 28 and the clamping end 29 are aligned with the front groove 30 and inserted into the front groove 30 from top to bottom. When the clamping end 29 passes through the moving hole, the top front of the matching end 33 and the bottom back of the clamping end 29 are consistent with the wedge-shaped setting of the front low and the back high, so that when the clamping end 29 is downward, the matching end 33 moves backward to the inside of the rear groove 31, so that the second spring 35 contracts. When the clamping end 29 completely enters the front groove 30, the second spring 35 drives the matching end 33 to rebound to the inside of the front groove 30, and the matching end 33 is located at the top of the clamping end 29. At this time, the clamping end 29 cannot move, so that the pressure sensor 27 is fixed on the top of the lower car 6, and the telescopic end of the electric telescopic rod 19 is contracted, so that the connecting rod 24 is inserted into the fixed groove 18. The bottom of the connecting rod 24 is set in a table shape, so that the connecting rod 24 can be smoothly inserted into the fixed groove 18, so that the bottom of the pressing block 23 presses the pressure sensor 27.

[0032] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A hook crane with a double-deck trolley, comprising a crossbeam (1), characterized in that: The top of the crossbeam (1) is provided with a through groove (3) and a slide groove (4), the through groove (3) runs through the crossbeam (1), the slide groove (4) has two and is symmetrical with the through groove (3), the inner wall of the slide groove (4) is rotatably connected to a moving wheel (5), the top of the moving wheel (5) is fixedly connected to a lower car (6), the left and right side walls of the lower car (6) are fixedly connected to second guard plates (10), there are four second guard plates (10) and they are evenly distributed at four corners of the lower car (6), the top of the second guard plate (10) is flush with the top of the lower car (6), the second guard plate (10) is square, and the material of the second guard plate (10) is rubber, the left and right side inner walls of the slide groove (4) are fixedly connected to first guard plates (9), the shape of the first guard plate (9) is consistent with that of the slide groove (4), the one slide groove (4) corresponds to the two first guard plates (9), and the top of the left and right side walls of the crossbeam (1) are fixedly connected to connecting plates (11).

2. A hook crane with a double-deck trolley according to claim 1, characterized in that: The inner wall of the connecting plate (11) is fixedly connected to an outer rod (12), the inner wall of the outer rod (12) is provided with a second groove, the inner wall of the second groove is fixedly connected to a first spring (13), one end of the first spring (13) away from the inner wall of the second groove is fixedly connected to an inner rod (14), the inner rod (14) is slidably connected to the inner wall of the second groove, the inner wall of the inner rod (14) is fixedly connected to a third guard plate (15), the inner wall of the third guard plate (15) is provided with a first slot (16), the size and shape of the first slot (16) are consistent with those of the second guard plate (10), the material of the first guard plate (9) and the third guard plate (15) is consistent with that of the second guard plate (10), and the bottoms of the left and right sides of the crossbeam (1) are fixedly connected to load-bearing rods (2).

3. A hook crane with a double-deck trolley according to claim 1, characterized in that: A first groove (7) is provided on the top of the lower car (6), the first groove (7) is square and located at the center of the lower car (6), four corners of the top of the lower car (6) and the four corners of the first groove (7) are fixedly connected with fixing rods (17), the fixing rods (17) are circular and a fixing groove (18) is provided on the top of the fixing rods (17), an electric telescopic rod (19) is fixedly connected to the top of the first groove (7), the telescopic end of the electric telescopic rod (19) is fixedly connected to a top plate (20), the top plate (20) is square, there are four electric telescopic rods (19) and they are symmetrical about the first groove (7), and an upper car (21) is provided above the lower car (6).

4. A hook type crane with a double-deck trolley according to claim 3, characterized in that: A through hole (8) is provided at the top center of the upper vehicle (21) and the top center of the first groove (7). The through hole (8) passes through the upper vehicle (21) and the lower vehicle (6). The size and shape of the upper vehicle (21) are consistent with those of the lower vehicle (6). A reel (22) is provided at the top of the upper vehicle (21). A cable is provided at the outer end of the reel (22). The cable is located inside the through hole (8). A hook is fixedly connected to one end of the cable away from the reel (22). A second slot (25) is provided at the bottom of the upper vehicle (21). The size and shape of the second slot (25) are consistent with those of the top plate (20). The second slot (25) is located directly above the top plate (20). A connecting rod (24) is fixedly connected to the bottom of the upper vehicle (21). The bottom of the connecting rod (24) is in a table shape with a larger top and a smaller bottom.

5. A hook type crane with a double-deck trolley according to claim 4, characterized in that: The number of the connecting rods (24) is consistent with that of the fixing rods (17) and they correspond one to one. The connecting rods (24) are respectively located directly above the fixing rods (17) and have a diameter consistent with that of the fixing grooves (18). A pressure sensor (27) is provided on the top of the lower car (6). A pressure block (23) is fixedly connected to the bottom of the upper car (21). The pressure block (23) is located directly above the pressure sensor (27) and is in close contact with the top of the pressure sensor (27). There are two pressure sensors (27) and two pressure blocks (23) and they are both symmetrical with respect to the lower car (6). A clamping rod (28) is fixedly connected to the outer wall of the pressure sensor (27). A clamping end (29) is fixedly connected to the bottom of the clamping end (29). The bottom back of the clamping end (29) is wedge-shaped with a lower front and a higher rear.

6. A hook type crane with a double-deck trolley according to claim 5, characterized in that: The left and right side walls of the lower vehicle (6) are fixedly connected with a card seat (26), the top of the card seat (26) is provided with a front groove (30) and a rear groove (31), a partition (32) is provided in the middle of the front groove (30) and the rear groove (31), a movable hole is provided in the middle of the partition (32), the card end (29) and the card rod (28) are both slidably connected to the inner wall of the front groove (30), the size of the card end (29) is consistent with that of the front groove (30), and the inner wall of the movable hole is slidably connected to the inner wall of the front groove (30). A mating end (33) is movably connected thereto, the top front face of the mating end (33) being consistent with the bottom back face of the clamping end (29), the back face of the mating end (33) being fixedly connected thereto a lever (34), the lever (34) being located inside the rear groove (31) and being slidably connected to the inner wall of the rear groove (31), the rear side wall of the lever (34) being fixedly connected thereto a second spring (35), the end of the second spring (35) being away from the lever (34) being fixedly connected to the inner wall of the rear groove (31).

Images