Energy-saving double-beam crane

Abstract

The utility model relates to the technical field of double-beam cranes, and discloses an energy-saving double-beam crane, which comprises a main beam, an end beam, a moving trolley, a hoisting mechanism and a lifting hook, according to the energy-saving double-beam crane, when the moving trolley moves, a gear drives a connecting column to rotate under the matching of a rack, so that the lifting hook is lifted; the first push rod pushes the second push rod and the rubber piston to repeatedly move in the air cylinder, air is sucked into the air cylinder in cooperation with the air inlet pipe and guided into the air spraying pipe through the air outlet pipe, the air is sprayed to the track and the rack through the air spraying pipe, and dust cleaning and dust accumulation prevention are conducted.

Description

Technical Field

[0001] The utility model relates to the technical field of double-beam cranes, in particular to an energy-saving double-beam crane. Background Art

[0002] Double girder crane is a kind of equipment that can lift objects vertically and move objects horizontally within a certain range. It is mainly used to transport materials, including intermittent action and cyclic operation. It is widely used in different fields such as warehouses, factories and docks. It is of great significance to construction companies, crane drivers and environmental sanitation. Double girder crane is an indispensable equipment in modern industrial production. Its application has greatly improved the efficiency of material handling and loading and unloading operations, and provided strong support for the development of various industries.

[0003] At present, the tracks of some double-beam cranes on the market are generally exposed. This exposed state can easily cause dust accumulation during actual operation, and the accumulated dust will increase the operating resistance and increase energy consumption.

[0004] Therefore, we proposed an energy-saving double-beam crane to solve the problems mentioned above. Utility Model Content

[0005] The utility model aims to solve the problem that the tracks of some current double-beam cranes are generally in an exposed state, which easily causes dust accumulation during actual operation, and the accumulated dust increases the running resistance and improves the energy consumption.

[0006] To achieve the above-mentioned purpose, the utility model adopts the following technical scheme: an energy-saving double-beam crane, comprising a main beam, an end beam, a mobile trolley, a lifting mechanism and a hook, tracks are arranged on the two main beams, mobile wheels are arranged at four diagonal positions at the bottom of the mobile trolley, the mobile wheels are adapted to the tracks, and a transmission shaft is arranged between the mobile wheels, a worm gear is arranged on the transmission shaft, a motor and a receiving plate are arranged at the bottom of the mobile trolley, a worm is arranged between the output shaft of the motor and the receiving plate, the worm gear is adapted to the worm gear, U-shaped connecting plates are symmetrically arranged on both sides of the mobile trolley, and the surface of the U-shaped connecting plate is close to the receiving plate. A connecting shaft is provided near both ends, a gear is provided on the connecting shaft, a connecting column is connected to the side of the gear near the edge, a rotating tube is sleeved on the connecting column, a first push rod is connected to the rotating tube, a second push rod is hinged at one end of the first push rod, an air cylinder is sleeved on the second push rod, and a rubber piston is provided at one end of the second push rod, a fixing rod is connected between the top of the air cylinder and the side of the U-shaped connecting plate, an air inlet pipe is provided at the top of the air cylinder near the end surface, an air outlet pipe is provided at one end of the air cylinder, and an injection pipe is provided at one end of the air outlet pipe, and racks meshing with gears are provided on the two main beams.

[0007] Further, the air inlet pipe includes a first tube body connected to the air cylinder, a first support plate is fixed in the first tube body near the bottom, and a first baffle is fixed in the first tube body near the top, a first compression spring and a first baffle bead are arranged between the first support plate and the first baffle, a plurality of first air holes are opened near the edge of the first support plate, an air inlet hole is opened at the center of the first baffle, and the air inlet hole contacts the first baffle bead, the air outlet pipe includes a second tube body connected to the air cylinder, a second support plate is fixed in the second tube body near the jet pipe, and a second baffle is fixed in the second tube body near the air cylinder, a second compression spring and a second baffle bead are arranged between the second support plate and the second baffle, a plurality of second air holes are opened near the edge of the second support plate, an air outlet hole is opened at the center of the second baffle, and the air outlet hole contacts the second baffle bead.

[0008] Furthermore, the diameter of the first stop bead is smaller than the inner diameter of the first tube body, and the diameter of the first stop bead is larger than the aperture of the air inlet hole, the diameter of the second stop bead is smaller than the inner diameter of the second tube body, and the diameter of the second stop bead is larger than the aperture of the air outlet hole.

[0009] Furthermore, a first bearing matched with the worm is arranged on the receiving plate, and a second bearing is arranged on the connecting shaft, the connecting column, and the hinged joint between the first push rod and the second push rod.

[0010] Furthermore, the jet pipe includes a mounting tube, one end of which is connected to an L-shaped nozzle, a lower surface of which is provided with a plurality of evenly distributed jet holes, an inner wall of the mounting tube is provided with an internal thread, and a surface of the second tube body near one end is provided with an external thread matching the internal thread, and the L-shaped nozzle corresponds to the track and the rack.

[0011] Furthermore, a dustproof net is arranged at the top end of the first tube body.

[0012] Furthermore, a plurality of evenly distributed fixing bolts are arranged on the surface of the U-shaped connecting plate, and the U-shaped connecting plate is connected to the moving trolley via the fixing bolts.

[0013] The beneficial effects of the utility model are as follows: a connecting shaft is arranged on the surface of the U-shaped connecting plate on both sides of the moving trolley, a gear is arranged on the connecting shaft, a rotating tube is sleeved on the connecting column on the side of the gear, a first push rod is connected to the rotating tube, a second push rod is hinged at one end of the first push rod, an air cylinder is sleeved on the second push rod, and a rubber piston is arranged at one end of the second push rod, an air inlet pipe is arranged on the top of the air cylinder, an air outlet pipe is arranged at one end of the air cylinder, and a jet pipe is arranged at one end of the air outlet pipe, and racks meshing with the gears are arranged on the two main beams. When the moving trolley moves, the gear drives the connecting column to rotate under the cooperation of the rack, so that the first push rod pushes the second push rod and the rubber piston to move repeatedly in the air cylinder, cooperates with the air inlet pipe to suck air into the air cylinder, and introduces it into the jet pipe through the air outlet pipe, and sprays the air onto the track and the rack through the jet pipe to clean dust and prevent dust accumulation. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a structural schematic diagram of the utility model energy-saving double-beam crane;

[0015] Figure 2 This utility model Figure 1 A magnified schematic diagram of the local structure A;

[0016] Figure 3 This utility model Figure 1 A magnified schematic diagram of the local structure B;

[0017] Figure 4 It is a schematic diagram of the structure of the utility model energy-saving double-beam crane from a top view;

[0018] Figure 5 It is a cross-sectional structural schematic diagram of the utility model energy-saving double-beam crane;

[0019] Figure 6 This utility model Figure 5 A magnified schematic diagram of the local structure C;

[0020] Figure 7 The utility model is a schematic diagram of the jet pipe structure of the energy-saving double-beam crane.

[0021] The names corresponding to the marks in the figure are:

[0022] 1. Main beam; 2. End beam; 3. Moving trolley; 4. Lifting mechanism; 5. Hook; 6. Track; 7. Moving wheel; 8. Transmission shaft; 9. Worm gear; 10. Motor; 11. Adapter plate; 12. Worm; 13. U-shaped connecting plate; 14. Connecting shaft; 15. Gear; 16. Connecting column; 17. Rotating tube; 18. First push rod; 19. Second push rod; 20. Air cylinder; 21. Rubber piston; 22. Fixed rod; 23. Intake Tube; 231, first tube body; 232, first support plate; 233, first baffle; 234, first compression spring; 235, first baffle bead; 24, air outlet pipe; 241, second tube body; 242, second support plate; 243, second baffle; 244, second compression spring; 245, second baffle bead; 25, jet pipe; 26, rack; 27, first bearing; 28, second bearing; 29, dust screen; 30, fixing bolt. DETAILED DESCRIPTION

[0023] 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 belong to the scope of protection of the utility model.

[0024] Embodiments of the present utility model:

[0025] Embodiment 1

[0026] like Figure 1-Figure 7As shown, the utility model provides an energy-saving double-beam crane, including a main beam 1, an end beam 2, a mobile trolley 3, a lifting mechanism 4 and a hook 5. Tracks 6 are arranged on the two main beams 1, and moving wheels 7 are arranged at four diagonal positions at the bottom of the mobile trolley 3. The moving wheels 7 are adapted to the tracks 6, and a transmission shaft 8 is arranged between the moving wheels 7. A worm gear 9 is arranged on the transmission shaft 8. A motor 10 and a receiving plate 11 are arranged at the bottom of the mobile trolley 3. A worm 12 is arranged between the output shaft of the motor 10 and the receiving plate 11. The worm 12 is adapted to the worm gear 9. U-shaped connecting plates 13 are symmetrically arranged on both sides of the mobile trolley 3. Connecting shafts 14 are arranged near the two ends of the surface of the U-shaped connecting plate 13. A gear 15 is arranged on the connecting shaft 14. The gear 1 A connecting column 16 is connected to the side near the edge, a rotating tube 17 is sleeved on the connecting column 16, a first push rod 18 is connected to the rotating tube 17, a second push rod 19 is hinged at one end of the first push rod 18, a gas cylinder 20 is sleeved on the second push rod 19, and a rubber piston 21 is arranged at one end of the second push rod 19, a fixing rod 22 is connected between the top of the gas cylinder 20 and the side of the U-shaped connecting plate 13, and an air inlet pipe 23 is arranged at the top of the gas cylinder 20 near the end surface, an air outlet pipe 24 is arranged at one end of the gas cylinder 20, and an air jet pipe 25 is arranged at one end of the air outlet pipe 24, and racks 26 meshing with the gear 15 are arranged on both main beams 1, the air inlet pipe 23 includes a first tube body 231 connected to the gas cylinder 20, and a position near the bottom of the first tube body 231 is provided. A first support plate 232 is fixed to the first tube body 231, and a first baffle plate 233 is fixed near the top of the first tube body 231, a first compression spring 234 and a first baffle bead 235 are arranged between the first support plate 232 and the first baffle plate 233, a plurality of first air holes are opened near the edge of the first support plate 232, an air inlet hole is opened at the center of the first baffle plate 233, and the air inlet hole contacts the first baffle bead 235, the air outlet pipe 24 includes a second tube body 241 connected to the air cylinder 20, a second support plate 242 is fixed at a position near the jet pipe 25 in the second tube body 241, and a second baffle plate 243 is fixed at a position near the air cylinder 20 in the second tube body 241, and a second compression spring 234 and a first baffle bead 235 are arranged between the second support plate 242 and the second baffle plate 243. Spring 244 and second retaining bead 245, a plurality of second air holes are provided near the edge of the second support plate 242, an air outlet is provided at the center of the second retaining plate 243, the air outlet is in contact with the second retaining bead 245, the diameter of the first retaining bead 235 is smaller than the inner diameter of the first tube body 231, and the diameter of the first retaining bead 235 is larger than the aperture of the air inlet, the diameter of the second retaining bead 245 is smaller than the inner diameter of the second tube body 241, and the diameter of the second retaining bead 245 is larger than the aperture of the air outlet, a first bearing 27 adapted to the worm 12 is provided on the receiving plate 11, a second bearing 28 is provided on the connecting shaft 14, the connecting column 16, and the hinged joints of the first push rod 18 and the second push rod 19, the jet pipe 25 includes a mounting pipe 251,One end of the mounting tube 251 is connected to an L-shaped nozzle 252, and a plurality of evenly distributed jet holes 253 are provided on the lower surface of the L-shaped nozzle 252. An internal thread is provided on the inner wall of the mounting tube 251, and an external thread matching the internal thread is provided near one end of the surface of the second tube body 241. The L-shaped nozzle 252 corresponds to the track 6 and the rack 26. When the mobile trolley 3 moves, the gear 15 drives the connecting column 16 to rotate with the cooperation of the rack 26, and then the first push rod 18 and the second push rod 19 push the rubber piston 21 to move repeatedly in the air cylinder 20. When the rubber piston 21 is away from the jet tube 25, the air in the air cylinder 20 generates a negative pressure, and then the outside air pushes the first stop bead 235 to enter the air cylinder 20. When the rubber piston 21 is pushed close to the jet tube 25, the air in the air cylinder 20 pushes the second stop bead 245 under the action of pressure, is introduced into the jet tube 25, and is sprayed toward the track 6 and the rack 26 through the jet hole 253 to clean the dust thereon. ,

[0027] Embodiment 2

[0028] like Figure 1-Figure 7 As shown, on the basis of the first embodiment of the utility model: a dustproof net 29 is arranged at the top of the first tube body 231. Through such arrangement, it is possible to prevent external dust from entering the first tube body 231 along with the air. A plurality of evenly distributed fixing bolts 30 are arranged on the surface of the U-shaped connecting plate 13, and the U-shaped connecting plate 13 is connected to the moving trolley 3 by the fixing bolts 30. Through such arrangement, the U-shaped connecting plate 13 can be removed more practically to inspect the air cylinder 20, the air inlet pipe 23, the air outlet pipe 24, and the air jet pipe 25.

Claims

1. An energy-saving double-beam crane, comprising a main beam (1), an end beam (2), a mobile trolley (3), a lifting mechanism (4) and a hook (5), wherein the two main beams (1) are provided with tracks (6), the four diagonal positions at the bottom of the mobile trolley (3) are provided with moving wheels (7), the moving wheels (7) are adapted to the tracks (6), a transmission shaft (8) is provided between the moving wheels (7), a worm gear (9) is provided on the transmission shaft (8), a motor (10) and a receiving plate (11) are provided at the bottom of the mobile trolley (3), a worm (12) is provided between the output shaft of the motor (10) and the receiving plate (11), the worm gear (12) is adapted to the worm gear (9), and the characteristics are: U-shaped connecting plates (13) are symmetrically arranged on both sides of the moving trolley (3), and connecting shafts (14) are arranged near both ends of the surface of the U-shaped connecting plate (13), and a gear (15) is arranged on the connecting shaft (14), and a connecting column (16) is connected to the side of the gear (15) near the edge, and a rotating tube (17) is sleeved on the connecting column (16), and a first push rod (18) is connected to the rotating tube (17), and one end of the first push rod (18) is hinged to a second push rod (19), and the second push rod (19) is hinged to the first push rod (18). (19) is provided with an air cylinder (20), and one end of the second push rod (19) is provided with a rubber piston (21), a fixing rod (22) is connected between the top of the air cylinder (20) and the side of the U-shaped connecting plate (13), and an air inlet pipe (23) is provided at the top of the air cylinder (20) near the end surface, an air outlet pipe (24) is provided at one end of the air cylinder (20), and an air jet pipe (25) is provided at one end of the air outlet pipe (24), and a rack (26) meshing with the gear (15) is provided on both of the two main beams (1).

2. An energy-saving double-beam crane according to claim 1, characterized in that: The air intake pipe (23) comprises a first tube body (231) connected to the air cylinder (20); a first support plate (232) is fixed near the bottom of the first tube body (231); a first baffle plate (233) is fixed near the top of the first tube body (231); a first compression spring (234) and a first baffle bead (235) are arranged between the first support plate (232) and the first baffle plate (233); a plurality of first air holes are provided near the edge of the first support plate (232); an air intake hole is provided at the center of the first baffle plate (233); the air intake hole is in contact with the first baffle bead (235); and the air outlet The tube (24) comprises a second tube body (241) connected to the air cylinder (20); a second support plate (242) is fixed at a position close to the air injection tube (25) in the second tube body (241); a second baffle plate (243) is fixed at a position close to the air cylinder (20) in the second tube body (241); a second compression spring (244) and a second baffle bead (245) are arranged between the second support plate (242) and the second baffle plate (243); a plurality of second air holes are provided at a position close to the edge of the second support plate (242); an air outlet hole is provided at a central position of the second baffle plate (243); and the air outlet hole is in contact with the second baffle bead (245).

3. An energy-saving double-beam crane according to claim 2, characterized in that: The diameter of the first blocking bead (235) is smaller than the inner diameter of the first tube body (231), and the diameter of the first blocking bead (235) is larger than the aperture of the air inlet hole; the diameter of the second blocking bead (245) is smaller than the inner diameter of the second tube body (241), and the diameter of the second blocking bead (245) is larger than the aperture of the air outlet hole.

4. The energy-saving double-beam crane according to claim 1, characterized in that: The receiving plate (11) is provided with a first bearing (27) adapted to the worm (12), and the connecting shaft (14), the connecting column (16), and the hinged joint between the first push rod (18) and the second push rod (19) are all provided with a second bearing (28).

5. The energy-saving double-beam crane according to claim 2, characterized in that: The jet pipe (25) comprises a mounting pipe (251), one end of which is connected to an L-shaped jet pipe (252), a lower surface of which is provided with a plurality of jet holes (253) distributed evenly, an inner wall of the mounting pipe (251) is provided with an internal thread, and a surface of the second tube body (241) near one end is provided with an external thread matching the internal thread, and the L-shaped jet pipe (252) corresponds to the track (6) and the rack (26).

6. The energy-saving double-beam crane according to claim 2, characterized in that: A dustproof net (29) is provided at the top end of the first tube (231).

7. The energy-saving double-beam crane according to claim 1, characterized in that: A plurality of evenly distributed fixing bolts (30) are arranged on the surface of the U-shaped connecting plate (13), and the U-shaped connecting plate (13) and the moving trolley (3) are connected via the fixing bolts (30).

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