Special double-beam bridge crane for steel mill

Abstract

The utility model relates to the technical field of cranes, in particular to a special double-beam bridge crane for a steel mill, which not only isolates high temperature in the steel mill, radiates and cools related equipment and prolongs the service life of the equipment, but also buffers the related equipment in a damping manner and prevents the equipment from being damaged due to collision. Comprising a supporting mechanism; the device further comprises two sets of moving mechanisms, a heat dissipation mechanism, a driving mechanism and a hoisting mechanism, the two sets of moving mechanisms are slidably installed on the supporting mechanism and drive materials to move front and back, the heat dissipation mechanism is installed on the two sets of moving mechanisms, and the driving mechanism is installed on the heat dissipation mechanism and drives the materials to move left and right. And the hoisting mechanism is mounted on the driving mechanism and used for hoisting the materials.

Description

Technical Field

[0001] The utility model relates to the technical field of cranes, in particular to a double-beam bridge crane special for steel plants. Background Art

[0002] Double-beam bridge cranes are lifting devices that can be used in steel mills, garment factories, warehouses and other places, and can lift two cargoes at the same time, greatly improving the working efficiency of the device and reducing the working hours of workers.

[0003] An existing double-beam bridge crane, for example, a double-beam bridge crane for steel mills disclosed in the utility model patent with application number 202121089331.9, has a main structure including a beam column and a sliding rod, and also includes fixed columns installed on both sides of the beam column, and universal wheels are arranged inside the fixed columns, and first fixed blocks are installed on both sides of the universal wheels, the sliding rod is installed below the first fixed block, and a slot is reserved at the bottom of the sliding rod, an electric hoist is installed below the beam column, and a second fixed block is installed at the bottom of the electric hoist, and a lifting block is installed on the outside of the second fixed block, a fixed plate is installed on the left side of the outer wall of the second fixed block, and a groove is reserved on the outer wall of the fixed plate, and a sliding plate is installed below the fixed plate, and a rotating block is installed on the left side of the outer wall of the sliding plate; when in use, the user can slide the beam column using the universal wheel, which is convenient for adjusting the distance of the beam column, increasing the device to lift goods of different sizes, and at the same time, the spacing between the beam columns can be enlarged, and the beam columns can be used alone for adjustment, thereby increasing the working efficiency of the device and improving the practicality of the device.

[0004] However, the ambient temperature inside the steel plant is too high, and the long-term use of the crane in the steel plant can easily affect its transmission effect. In addition, the crane can easily fail to brake in time after moving to the end, causing collision with the main beam and causing damage to the device. Utility Model Content

[0005] In order to solve the above technical problems, the utility model provides a double-beam bridge crane specially used for steel mills, which not only isolates the high temperature in the steel mill, dissipates heat and cools down related equipment to extend its service life, but also provides shock absorption and buffering for related devices to prevent equipment damage caused by impact.

[0006] The utility model discloses a double-beam bridge crane specially used for steel mills, comprising a supporting mechanism; further comprising two groups of moving mechanisms, a heat dissipation mechanism, a driving mechanism and a hoisting mechanism, wherein the two groups of moving mechanisms are slidably mounted on the supporting mechanism and drive materials to move forward and backward, the heat dissipation mechanism is mounted on the two groups of moving mechanisms, the driving mechanism is mounted on the heat dissipation mechanism and drives materials to move left and right, and the hoisting mechanism is mounted on the driving mechanism and hoists materials; the hoisting mechanism is started to hoist the materials, and then the driving mechanism drives the materials and the hoisting mechanism to move left and right as required, the two groups of moving mechanisms drive the materials to move forward and backward, and the heat dissipation mechanism insulates and cools down related equipment to prevent the high temperature in the steel mill from affecting the equipment.

[0007] Preferably, the supporting mechanism includes four groups of columns, two groups of main beams, two groups of connecting columns, two groups of guide rails and ladders, the bottom ends of the four groups of columns are connected to the ground, one group of main beams is installed on the top ends of the two groups of columns on the left, and the other group of main beams is installed on the top ends of the two groups of columns on the right, both groups of main beams are provided with sliding grooves, the two groups of connecting columns are installed between the two groups of main beams, the two groups of guide rails are respectively installed in the sliding grooves of the two groups of main beams, and the ladder is installed on one of the groups of columns; the staff can climb up the main beams by the ladder to facilitate the maintenance of related equipment, the stability of the device is enhanced by setting two groups of connecting columns, and the two groups of guide rails can make the two groups of moving mechanisms slide along the guide rails to prevent the moving mechanisms from running off course.

[0008] Preferably, the moving mechanism includes a moving trolley, two sets of wheels, four sets of shock absorbers and two sets of pads. The moving trolley is slidably installed in the sliding groove of the guide rail, the two sets of wheels are rotatably installed on the moving trolley and mesh with the guide rail, the four sets of shock absorbers are respectively installed on the front and rear sides of the moving trolley, and are respectively located on the left and right sides of the wheel, and the pads are installed on the two sets of shock absorbers on the same side of the moving trolley; the moving trolley drives the two sets of wheels to move forward and backward along the guide rail, thereby facilitating the movement of the heat dissipation mechanism and the materials forward and backward. By setting the guide rail, the two sets of moving mechanisms can be moved synchronously to prevent the heat dissipation mechanism from rotating. When the moving trolley moves to the top of the sliding groove of the main beam, the pad first contacts the end face of the main beam, and then the pad compresses the two sets of shock absorbers. The pad contacts the wheel to further decelerate the wheel to prevent the moving mechanism from colliding with the main beam.

[0009] Preferably, the heat dissipation mechanism includes a bridge body, a guardrail and two groups of heat dissipation fans. The bridge body is installed between two groups of mobile carts. A cavity is provided inside the bridge body and heat dissipation holes are opened at the bottom. The bottom end of the guardrail is connected to the top of the bridge body. The two groups of heat dissipation fans are installed on the bridge body and connected to the inside of the cavity of the bridge body. The bridge body moves back and forth with the two groups of mobile carts. By setting up the guardrail, it is convenient for staff to move above to inspect and repair related equipment. The two groups of heat dissipation fans are started to extract and dissipate the heat inside the cavity of the bridge body to prevent high temperature from affecting the normal operation of the equipment.

[0010] Preferably, a thermal insulation layer is applied to the outer surface of the bridge body; by applying the thermal insulation layer on the outer surface of the bridge body, the heat exchange between the cavity of the bridge body and the steel plant is reduced, thereby lowering the temperature in the cavity of the bridge body.

[0011] Preferably, the driving mechanism includes a servo motor, a reducer, a transmission shaft, a bevel gear one, a screw and a bevel gear two, the bottom end of the servo motor is connected to the top of the bridge body, the bottom end of the reducer is connected to the top of the bridge body, the transmission shaft is rotatably installed in the cavity of the bridge body and longitudinally with the reducer, the transmission shaft is installed on the reducer, the screw is rotatably installed in the cavity of the bridge body, and the bevel gear two is installed on the screw and meshes with the bevel gear one for transmission; start the servo motor, the servo motor drives the transmission shaft to rotate through the reducer, the transmission shaft drives the bevel gear one to rotate, the bevel gear one and the bevel gear two are meshed for transmission, the bevel gear two drives the screw to rotate, and the screw drives the lifting mechanism to move left and right.

[0012] Preferably, the lifting mechanism includes a slider, a winch, six sets of wheels two, a traction rope, a balancer, a hook, two sets of telescopic rods and a sleeve, the slider is slidably mounted on the lead screw, the top of the winch is connected to the bottom end of the slider, the six sets of wheels two are rotatably mounted on the winch, the traction rope is wound around the winch, the top of the balancer is fixedly connected to the bottom end of the traction rope, the hook is mounted on the balancer, one end of the two sets of telescopic rods is rotatably connected to the winch, the other end of the two sets of telescopic rods is fixedly connected to the sleeve, and the sleeve is sleeved on the traction rope; the lead screw drives the slider and the winch to move left and right, and the stability and smoothness of the slider and the winch when moving left and right are enhanced by arranging six sets of wheels two, when lifting is needed, the winch lowers the traction rope and the balancer, and the material is hung on the hook, and the balancer is arranged to prevent the material from shaking during the movement, and then the winch reels the traction rope to lift the material, and when the traction rope is retracted to a certain height, the balancer hits the sleeve, and the sleeve compresses the two sets of telescopic rods for buffering to prevent the balancer and the material from hitting the lower surface of the bridge body.

[0013] Compared with the prior art, the utility model has the following beneficial effects: the lifting mechanism is started to lift the material, and then the driving mechanism drives the material and the lifting mechanism to move left and right as needed, the two sets of moving mechanisms drive the material to move forward and backward, and the heat dissipation mechanism insulates and cools the related equipment to prevent the high temperature in the steel plant from affecting the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the axonometric structure of the utility model;

[0015] Figure 2 It is a schematic diagram of the axonometric structure of the support mechanism of the utility model;

[0016] Figure 3It is a partially enlarged cross-sectional axonometric structural diagram of the support mechanism and the moving mechanism of the utility model;

[0017] Figure 4 It is a cross-sectional axonometric structural schematic diagram of the heat dissipation mechanism of the utility model;

[0018] Figure 5 It is a partially enlarged cross-sectional axonometric structural schematic diagram of the driving mechanism of the utility model;

[0019] Figure 6 It is a partially enlarged cross-sectional axonometric structural schematic diagram of the lifting mechanism of the utility model.

[0020] Markings in the attached drawings: 01, supporting mechanism; 11, column; 12, main beam; 13, connecting column; 14, guide rail; 15, ladder; 02, moving mechanism; 21, moving trolley; 22, wheel one; 23, shock absorber; 24, pad; 03, heat dissipation mechanism; 31, bridge body; 32, guardrail; 33, cooling fan; 04, driving mechanism; 41, servo motor; 42, reducer; 43, transmission shaft; 44, bevel gear one; 45, screw; 46, bevel gear two; 05, lifting mechanism; 51, slider; 52, winch; 53, wheel two; 54, traction rope; 55, balancer; 56, hook; 57, telescopic rod; 58, sleeve. DETAILED DESCRIPTION

[0021] In order to facilitate the understanding of the utility model, the utility model will be described more comprehensively below with reference to the relevant drawings. The utility model can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and comprehensive.

[0022] Example 1

[0023] The utility model is a double-beam bridge crane specially used for steel mills, including a supporting mechanism 01; also including two groups of moving mechanisms 02, a heat dissipation mechanism 03, a driving mechanism 04 and a hoisting mechanism 05, the two groups of moving mechanisms 02 are slidably installed on the supporting mechanism 01 and drive the materials to move forward and backward, the heat dissipation mechanism 03 is installed on the two groups of moving mechanisms 02, the driving mechanism 04 is installed on the heat dissipation mechanism 03 and drives the materials to move left and right, the hoisting mechanism 05 is installed on the driving mechanism 04 and hoists the materials; the supporting mechanism 01 includes four groups of columns 11, two groups of main beams 12, two groups of connecting columns 13, two groups of guide rails 14 and ladders 15, the four groups of columns 11 are installed on the main beams 12, the two groups of connecting columns 13, the ... The bottom end of the column 11 is connected to the ground, one set of main beams 12 is installed on the top of the two sets of columns 11 on the left, and the other set of main beams 12 is installed on the top of the two sets of columns 11 on the right. Both sets of main beams 12 are provided with sliding grooves, two sets of connecting columns 13 are installed between the two sets of main beams 12, two sets of guide rails 14 are respectively installed in the sliding grooves of the two sets of main beams 12, and the ladder 15 is installed on one of the sets of columns 11; the mobile mechanism 02 includes a mobile trolley 21, two sets of wheels 22, four sets of shock absorbers 23 and two sets of pads 24, the mobile trolley 21 is slidably installed in the sliding grooves of the guide rails 14, and the two sets of wheels 22 are rotatably installed on the mobile trolley 21. The bridge body 31 is mounted on the moving trolley 21 and meshed with the guide rail 14. The four groups of shock absorbers 23 are respectively mounted on the front and rear sides of the moving trolley 21 and are respectively located on the left and right sides of the wheel 22. The pad 24 is mounted on the two groups of shock absorbers 23 on the same side of the moving trolley 21. The heat dissipation mechanism 03 includes a bridge body 31, a guardrail 32 and two groups of heat dissipation fans 33. The bridge body 31 is mounted between the two groups of moving trolleys 21. A cavity is arranged inside the bridge body 31 and heat dissipation holes are opened at the bottom. The bottom end of the guardrail 32 is connected to the top of the bridge body 31. The two groups of heat dissipation fans 33 are both mounted on the bridge body 31 and connected to the cavity inside the bridge body 31. The outer surface of the bridge body 31 is also covered with a thermal insulation layer; the driving mechanism 04 includes a servo motor 41, a reducer 42, a transmission shaft 43, a bevel gear 1 44, a screw 45 and a bevel gear 2 46. The bottom end of the servo motor 41 is connected to the top of the bridge body 31, the bottom end of the reducer 42 is connected to the top of the bridge body 31, the transmission shaft 43 is rotatably installed in the cavity of the bridge body 31 and is longitudinally connected to the reducer 42, the transmission shaft 43 is installed on the reducer 42, the screw 45 is rotatably installed in the cavity of the bridge body 31, and the bevel gear 2 46 is installed on the screw 45 and meshes with the bevel gear 1 44 for transmission;When it is working, first the staff can climb up the main beam 12 through the ladder 15 to facilitate the maintenance of related equipment. By setting two sets of connecting columns 13 to enhance the stability of the device, by setting two sets of guide rails 14, the two sets of mobile mechanisms 02 can slide along the guide rails 14 to prevent the mobile mechanisms 02 from running off the track. When the lifting mechanism 05 lifts the material, the servo motor 41 is started, and the servo motor 41 drives the transmission shaft 43 to rotate through the reducer 42. The transmission shaft 43 drives the bevel gear 1 44 to rotate. The bevel gear 1 44 and the bevel gear 2 46 are meshed for transmission. The bevel gear 2 46 drives the screw 45 to rotate. The screw 45 drives the lifting mechanism 05 to move left and right. The mobile trolley 21 drives the two sets of wheels 1 22 to move forward and backward along the guide rails 14, so as to facilitate Drive the heat dissipation mechanism 03 and the material to move forward and backward. By setting the guide rail 14, the two groups of mobile mechanisms 02 can move synchronously to prevent the heat dissipation mechanism 03 from rotating. When the mobile trolley 21 moves to the top of the sliding groove of the main beam 12, the pad 24 first contacts the end face of the main beam 12, and then the pad 24 compresses the two groups of shock absorbers 23. The pad 24 contacts the wheel 1 22 to further decelerate the wheel 1 22 to prevent the mobile mechanism 02 from colliding with the main beam 12. The bridge body 31 moves forward and backward following the two groups of mobile trolleys 21. By setting the guardrail 32, it is convenient for the staff to move above to inspect and repair the relevant equipment. Start the two groups of cooling fans 33 to extract and dissipate the heat inside the cavity of the bridge body 31 to prevent high temperature from affecting the normal operation of the equipment. ;

[0024] Example 2

[0025] like Figures 1 to 6As shown, a double-beam bridge crane dedicated to a steel plant of the utility model is based on Example 1; the hoisting mechanism 05 includes a slider 51, a winch 52, six sets of wheels 53, a traction rope 54, a balancer 55, a hook 56, two sets of telescopic rods 57 and a sleeve 58, the slider 51 is slidably mounted on the screw 45, the top of the winch 52 is connected to the bottom end of the slider 51, the six sets of wheels 53 are rotatably mounted on the winch 52, the traction rope 54 is wound around the winch 52, the top of the balancer 55 is fixedly connected to the bottom end of the traction rope 54, the hook 56 is mounted on the balancer 55, one end of the two sets of telescopic rods 57 is rotatably connected to the winch 52, and the two sets of telescopic rods 57 are rotatably mounted on the winch 52. The other end of the rod 57 is fixedly connected to the sleeve 58, and the sleeve 58 is sleeved on the traction rope 54; when it is working, the staff can first climb up the main beam 12 through the ladder 15 to facilitate the maintenance of related equipment. The stability of the device is enhanced by setting two sets of connecting columns 13. By setting two sets of guide rails 14, the two sets of mobile mechanisms 02 can slide along the guide rails 14 to prevent the mobile mechanisms 02 from running off the track. When lifting is required, the winch 52 lowers the traction rope 54 and the balancer 55, and the material is hung on the hook 56. The balancer 55 is set to prevent the material from shaking during the movement, and then the winch 52 reels the traction rope 54 to lift the material. When the traction rope 54 is reeled in to a certain After the balancer 55 reaches the height, it hits the sleeve 58, and the sleeve 58 compresses the two sets of telescopic rods 57 for buffering, so as to prevent the balancer 55 and the materials from hitting the lower surface of the bridge body 31, and then the servo motor 41 is started, and the servo motor 41 drives the transmission shaft 43 to rotate through the reducer 42, and the transmission shaft 43 drives the bevel gear 1 44 to rotate, and the bevel gear 1 44 and the bevel gear 2 46 are meshed for transmission, and the bevel gear 2 46 drives the lead screw 45 to rotate, and the lead screw 45 drives the slider 51 and the capstan 52 to move left and right. By setting six sets of wheels 2 53, the stability and smoothness of the slider 51 and the capstan 52 when they move left and right are enhanced, and by setting the guide rail 14, the two sets of moving The moving mechanism 02 moves synchronously to prevent the heat dissipation mechanism 03 from rotating. When the moving trolley 21 moves to the top of the sliding groove of the main beam 12, the pad 24 first contacts the end face of the main beam 12, and then the pad 24 compresses the two groups of shock absorbers 23. The pad 24 contacts the wheel 22 to further decelerate the wheel 22 to prevent the moving mechanism 02 from colliding with the main beam 12. The bridge body 31 moves back and forth with the two groups of moving trolleys 21. By setting up the guardrail 32, it is convenient for the staff to move above to inspect and repair the relevant equipment. The two groups of cooling fans 33 are started to extract and dissipate the heat inside the cavity of the bridge body 31 to prevent high temperature from affecting the normal operation of the equipment.

[0026] The servo motor 41 and the reducer 42 of the utility model are purchased on the market, and technicians in the industry only need to install and operate them according to the accompanying instruction manuals, without the need for technicians in the field to make creative efforts.

[0027] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. A double-beam bridge crane for steel mills, comprising a supporting mechanism (01); characterized in that: The invention also comprises two sets of moving mechanisms (02), a heat dissipation mechanism (03), a driving mechanism (04) and a lifting mechanism (05). The two sets of moving mechanisms (02) are slidably mounted on the supporting mechanism (01) and drive the material to move forward and backward. The heat dissipation mechanism (03) is mounted on the two sets of moving mechanisms (02). The driving mechanism (04) is mounted on the heat dissipation mechanism (03) and drives the material to move left and right. The lifting mechanism (05) is mounted on the driving mechanism (04) and lifts the material.

2. A double-beam bridge crane for steel mills as claimed in claim 1, characterized in that: The supporting mechanism (01) comprises four groups of columns (11), two groups of main beams (12), two groups of connecting columns (13), two groups of guide rails (14) and a ladder (15). The bottom ends of the four groups of columns (11) are connected to the ground. One group of main beams (12) is installed at the top of the two groups of columns (11) located on the left side, and the other group of main beams (12) is installed at the top of the two groups of columns (11) located on the right side. Both groups of main beams (12) are provided with sliding grooves. The two groups of connecting columns (13) are installed between the two groups of main beams (12). The two groups of guide rails (14) are respectively installed in the sliding grooves of the two groups of main beams (12). The ladder (15) is installed on one of the groups of columns (11).

3. A double-beam bridge crane for steel mills as claimed in claim 2, characterized in that: The moving mechanism (02) comprises a moving trolley (21), two sets of wheels (22), four sets of shock absorbers (23) and two sets of pads (24). The moving trolley (21) is slidably mounted in a sliding groove of a guide rail (14). The two sets of wheels (22) are both rotatably mounted on the moving trolley (21) and meshed with the guide rail (14). The four sets of shock absorbers (23) are respectively mounted on the front and rear sides of the moving trolley (21) and are respectively located on the left and right sides of the wheels (22). The pads (24) are mounted on the two sets of shock absorbers (23) on the same side of the moving trolley (21).

4. A double-beam bridge crane for steel mills as claimed in claim 3, characterized in that: The heat dissipation mechanism (03) comprises a bridge body (31), a guardrail (32) and two groups of heat dissipation fans (33). The bridge body (31) is installed between two groups of mobile vehicles (21). A cavity is provided inside the bridge body (31) and a heat dissipation hole is opened at the bottom. The bottom end of the guardrail (32) is connected to the top end of the bridge body (31). The two groups of heat dissipation fans (33) are installed on the bridge body (31) and are connected to the inside of the cavity of the bridge body (31).

5. A double-beam bridge crane for steel mills as claimed in claim 4, characterized in that: The outer surface of the bridge body (31) is also provided with a thermal insulation layer.

6. A double-beam bridge crane for steel mills as claimed in claim 4, characterized in that: The driving mechanism (04) comprises a servo motor (41), a reducer (42), a transmission shaft (43), a bevel gear 1 (44), a screw (45) and a bevel gear 2 (46). The bottom end of the servo motor (41) is connected to the top end of the bridge body (31), the bottom end of the reducer (42) is connected to the top end of the bridge body (31), the transmission shaft (43) is rotatably mounted in the cavity of the bridge body (31) and is longitudinally connected to the reducer (42), the transmission shaft (43) is mounted on the reducer (42), the screw (45) is rotatably mounted in the cavity of the bridge body (31), and the bevel gear 2 (46) is mounted on the screw (45) and is meshed with the bevel gear 1 (44) for transmission.

7. A double-beam bridge crane for steel mills as claimed in claim 6, characterized in that: The hoisting mechanism (05) comprises a slider (51), a winch (52), six sets of wheels (53), a traction rope (54), a balancer (55), a hook (56), two sets of telescopic rods (57) and a sleeve (58). The slider (51) is slidably mounted on the lead screw (45). The top end of the winch (52) is connected to the bottom end of the slider (51). The six sets of wheels (53) are rotatably mounted on the winch (52). The traction rope (54) is wound around the winch (52). The top end of the balancer (55) is fixedly connected to the bottom end of the traction rope (54). The hook (56) is mounted on the balancer (55). One end of the two sets of telescopic rods (57) is rotatably connected to the winch (52). The other end of the two sets of telescopic rods (57) is fixedly connected to the sleeve (58). The sleeve (58) is sleeved on the traction rope (54).

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