Speed increasing device for hydraulic gantry shears

Abstract

The utility model relates to hydraulic drive equipment technical field especially hydraulic gantry shears's speed -up device, including hydraulic drive rod and cutter head who has gantry shears support, still including support chassis and lifting platform, the upper end fixed mounting of gantry shears support has hydraulic drive rod, lifting platform is connected with support baseplate one sliding, the below of support baseplate one is equipped with the drive assembly for driving lifting platform removal, the utility model discloses when the object of big height difference is sheared, through setting up the lifting platform who can move up and down to accelerate the object to be sheared and the contact of cutter head, thereby saved when the object of big height difference is sheared, the time wasted when cutter head slowly descends, when the telescopic trigger switch of cutter head side touches the upper end of the object to be sheared, the motor closes, like this can ensure that cutter head can accurately contact the object to be sheared, the descending distance of cutter head is saved to the maximum and is further saved time.

Description

Technical Field

[0001] This utility model relates to the field of hydraulic drive equipment technology, and in particular to a speed-up device for hydraulic gantry shears. Background Technology

[0002] The power source for the hydraulic gantry shear comes from the hydraulic pump station. The hydraulic pump station drives the hydraulic pump via an electric motor or engine to generate high-pressure hydraulic oil. This high-pressure hydraulic oil is transported through pipelines to each working cylinder. The upper and lower blades of the hydraulic gantry shear move up and down via the cylinders. When the high-pressure hydraulic oil enters the cylinder, it pushes the piston of the cylinder to move, thereby driving the upper and lower blades to move accordingly.

[0003] During the cutting operation of a hydraulic gantry shear, the hydraulic drive slows down the speed of the cutter head. When cutting objects with significant height differences, the distance the cutter head needs to move increases accordingly. The hydraulic rod must drive the cutter head to move a longer distance to contact the surface of the object to be cut. This wastes a lot of time during the cutter head movement, resulting in a significant reduction in cutting efficiency. Utility Model Content

[0004] To overcome the problem that when cutting objects with large height differences, the cutter head needs to travel a long distance to contact the surface of the object to be cut, which greatly reduces the cutting efficiency.

[0005] The technical solution of this utility model is as follows: a speed-up device for a hydraulic gantry shear, including a gantry shear bracket, a hydraulic drive rod, and a cutter head, as well as a support base and a lifting platform. The upper end of the gantry shear bracket is fixedly installed with a hydraulic drive rod, and the lower end of the hydraulic drive rod is fixedly installed with a cutter head by bolts. The lower end of the gantry shear bracket is fixedly installed with a support base, and the upper end of the support base has an opening. A lifting platform is provided at the upper opening of the support base, and a support base plate is fixedly installed at the lower end of the support base. The lifting platform is slidably connected to the support base plate, and a drive component for driving the lifting platform to move is provided below the support base plate.

[0006] Preferably, the upper surface of the lifting platform is provided with anti-slip texture, and rollers are rotatably installed at both ends of the lifting platform, with the surface of the rollers in contact with the surface of the object to be cut.

[0007] Preferably, the lower end of the lifting platform passes through a support base plate, and a flange bearing is fixedly installed at the lower end of the support base plate. The lower end of the lifting platform is slidably connected to the flange bearing.

[0008] Preferably, a bearing seat is fixedly installed at the lower end of the lifting platform, and a threaded seat is fixedly installed at the lower end of the support base plate. A threaded rod is threadedly connected to the end of the threaded seat, and the upper end of the threaded rod is rotatably connected to the bearing seat.

[0009] Preferably, the drive assembly includes a second support base plate, which is fixedly installed at the lower end of a first support base plate. A second bearing seat is fixedly installed at the upper end of the second support base plate, and a worm gear is rotatably connected to the upper end of the second bearing seat. A motor is fixedly installed at the upper end of the second support base plate, and a worm is fixedly connected to the output end of the motor. A third bearing seat is fixedly installed at the upper end of the second support base plate, and one end of the worm is rotatably connected to the third bearing seat. The worm meshes with the worm gear.

[0010] Preferably, the threaded rod is hollow inside, and a connecting shaft is fixedly connected to the upper end of the worm gear. The connecting shaft is located in the hollow part of the threaded rod and is slidably connected to the threaded rod.

[0011] Preferably, a telescopic trigger switch is fixedly installed on one side of the cutter head. The lower end of the telescopic trigger switch is flush with the lower end of the cutter head, and the telescopic trigger switch is in contact with the upper end of the object to be cut. The telescopic trigger switch is used to control the opening and closing of the motor.

[0012] The beneficial effects of this utility model are as follows: When cutting objects with large height differences, this hydraulic gantry shear uses a movable lifting platform to accelerate the contact between the object to be cut and the blade head. This saves the time wasted when the blade head slowly descends when cutting objects with large height differences. When the telescopic trigger switch on one side of the blade head touches the upper end of the object to be cut, the motor shuts off, ensuring that the blade head can accurately contact the object to be cut and maximizing the saving of the blade head's descent distance, thereby further saving time. Attached Figure Description

[0013] Figure 1 The diagram shown is a three-dimensional structural schematic of the gantry shear support of this utility model.

[0014] Figure 2 The diagram shown is a three-dimensional structural schematic of the lifting platform of this utility model;

[0015] Figure 3 The diagram shown is a side view of the present invention.

[0016] Figure 4 The diagram shown is a three-dimensional structural schematic of the worm gear of this utility model;

[0017] Figure 5 The diagram shown is a three-dimensional structural schematic of the flange bearing of this utility model.

[0018] Explanation of reference numerals in the attached drawings: 1. Gantry shear support; 2. Hydraulic drive rod; 3. Cutting head; 4. Support base frame; 5. Lifting platform; 6. Roller; 7. Support base plate one; 8. Threaded seat; 9. Threaded rod; 10. Bearing seat one; 11. Connecting shaft; 12. Worm gear; 13. Bearing seat two; 14. Motor; 15. Worm; 16. Bearing seat three; 17. Support base plate two; 18. Flange bearing; 19. Telescopic trigger switch. Detailed Implementation

[0019] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0020] Please see Figure 1 - Figure 5 This utility model provides an embodiment of a hydraulic gantry shear speed-up device, including a gantry shear bracket 1, a hydraulic drive rod 2, and a cutter head 3, as well as a support base 4 and a lifting platform 5. The upper end of the gantry shear bracket 1 is fixedly mounted with the hydraulic drive rod 2, and the lower end of the hydraulic drive rod 2 is fixedly mounted with the cutter head 3 by bolts. The lower end of the gantry shear bracket 1 is fixedly mounted with the support base 4, which has an opening at its upper end. The lifting platform 5 is located at the opening of the upper end of the support base 4, and a support base plate 7 is fixedly mounted at the lower end of the support base 4. The lifting platform 5 is slidably connected to the support base plate 7. A drive assembly for moving the lifting platform 5 is located below the support base plate 7. The upper surface of the lifting platform 5 has anti-slip textures. Rollers 6 are rotatably mounted at both ends of the lifting platform 5, with the surface of the rollers 6 contacting the surface of the object to be sheared. The lower end of the lifting platform 5 passes through the support base 4. A base plate 7 is provided, and a flange bearing 18 is fixedly installed at the lower end of the base plate 7. The lower end of the lifting platform 5 is slidably connected to the flange bearing 18. A bearing seat 10 is fixedly installed at the lower end of the lifting platform 5. A threaded seat 8 is fixedly installed at the lower end of the base plate 7. A threaded rod 9 is threadedly connected to the end of the threaded seat 8. The upper end of the threaded rod 9 is rotatably connected to the bearing seat 10. When cutting objects with large height differences, this hydraulic gantry shear accelerates the contact between the object to be cut and the cutter head 3 by setting up a movable lifting platform 5, thereby saving the time wasted by the slow descent of the cutter head 3. The anti-slip texture on the surface of the lifting platform 5 ensures that the object to be cut will not move during the cutting operation. The roller 6 facilitates the sliding of heavier objects to be cut to the center of the lifting platform 5. The flange bearing 18 is used to ensure the stability of the lifting platform 5 when it moves up and down.

[0021] Please see Figure 1 , Figure 3 , Figure 4 and Figure 5In this embodiment, the drive assembly includes a second support base plate 17, which is fixedly installed at the lower end of a first support base plate 7. A second bearing seat 13 is fixedly installed at the upper end of the second support base plate 17, and a worm gear 12 is rotatably connected to the upper end of the second bearing seat 13. A motor 14 is fixedly installed at the upper end of the second support base plate 17, and a worm 15 is fixedly connected to the output end of the motor 14. A third bearing seat 16 is fixedly installed at the upper end of the second support base plate 17, and one end of the worm 15 is rotatably connected to the third bearing seat 16. The worm 15 is meshed with the worm gear 12. The threaded rod 9 is hollow inside. A connecting shaft 11 is fixedly connected to the upper end of the worm gear 12. The connecting shaft 11 is located in the hollow part of the threaded rod 9 and is slidably connected to the threaded rod 9. A telescopic trigger switch 19 is fixedly installed on one side of the cutter head 3. The lower end of switch 19 is level with the lower end of cutter head 3. Telescopic trigger switch 19 contacts the upper end of the object to be cut. Telescopic trigger switch 19 is used to control the opening and closing of motor 14. First, the object to be cut is placed on lifting platform 5. Then, motor 14 is started. The output end of motor 14 drives worm gear 15 to rotate. Worm wheel 12, which is meshed with worm gear 15, rotates at the same time. Connecting shaft 11, which is fixedly connected to the upper end of worm wheel 12, drives threaded rod 9 to rotate at the same time. During the rotation, threaded rod 9 moves upward at threaded seat 8, and lifting platform 5 rises. This accelerates the contact between the object to be cut and cutter head 3. When telescopic trigger switch 19 on one side of cutter head 3 touches the upper end of the object to be cut, motor 14 is turned off. At this time, the upper end of the object to be cut contacts cutter head 3, saving the descent distance of cutter head 3 to the maximum extent.

[0022] In use, the object to be cut is first placed on the lifting platform 5, and then the motor 14 is started. The output end of the motor 14 drives the worm gear 15 to rotate at the bearing seat 16. The worm wheel 12, which is meshed with the worm gear 15, rotates at the same time. The connecting shaft 11, which is fixedly connected to the upper end of the worm wheel 12, drives the threaded rod 9 to rotate at the bearing seat 10. The connecting shaft 11 and the threaded rod 9 are slidably connected. During the rotation, the threaded rod 9 moves upward at the threaded seat 8, and the lifting platform 5 rises. This accelerates the contact between the object to be cut and the cutter head 3, thereby saving the time wasted when the cutter head 3 slowly descends when cutting objects with large height differences.

[0023] When the telescopic trigger switch 19 on one side of the cutter head 3 touches the upper end of the object to be cut, the telescopic trigger switch 19 controls the motor 14 to turn off. At this time, the upper end of the object to be cut is in contact with the cutter head 3, which ensures that the cutter head 3 can accurately contact the object to be cut, and saves the descent distance of the cutter head 3 to the maximum extent, thereby further saving time.

[0024] The anti-slip texture on the surface of the lifting platform 5 ensures that the object to be cut will not move during the cutting operation. The roller 6 facilitates the sliding of heavier objects to be cut to the center of the lifting platform 5. The lower end of the lifting platform 5 is slidably connected to the flange bearing 18, which is used to ensure the stability of the lifting platform 5 when it moves up and down.

[0025] Through the above steps, when cutting objects with large height differences, the hydraulic gantry shear uses a movable lifting platform 5 to accelerate the contact between the object to be cut and the blade head 3. This saves the time wasted when the blade head 3 slowly descends when cutting objects with large height differences. When the telescopic trigger switch 19 on one side of the blade head 3 touches the upper end of the object to be cut, the motor 14 is turned off. This ensures that the blade head 3 can accurately contact the object to be cut, maximizing the saving of the descent distance of the blade head 3 and further saving time.

Claims

1. A speed-up device for a hydraulic gantry shear, comprising a gantry shear support (1), a hydraulic drive rod (2), and a cutter head (3); characterized in that: It also includes a support base frame (4) and a lifting platform (5). A hydraulic drive rod (2) is fixedly installed at the upper end of the gantry shear bracket (1). A cutter head (3) is fixedly installed at the lower end of the hydraulic drive rod (2) by bolts. A support base frame (4) is fixedly installed at the lower end of the gantry shear bracket (1). An opening is provided at the upper end of the support base frame (4). A lifting platform (5) is provided at the opening at the upper end of the support base frame (4). A support base plate (7) is fixedly installed at the lower end of the support base frame (4). The lifting platform (5) is slidably connected to the support base plate (7). A drive assembly for driving the lifting platform (5) to move is provided below the support base plate (7).

2. The speed-up device for the hydraulic gantry shear according to claim 1, characterized in that: The upper surface of the lifting platform (5) is provided with anti-slip texture, and rollers (6) are rotatably installed at both ends of the lifting platform (5). The surface of the rollers (6) is in contact with the surface of the object to be cut.

3. The speed-up device for the hydraulic gantry shear according to claim 2, characterized in that: The lower end of the lifting platform (5) passes through the support base plate (7), and the lower end of the support base plate (7) is fixedly installed with a flange bearing (18). The lower end of the lifting platform (5) is slidably connected to the flange bearing (18).

4. The speed-up device for the hydraulic gantry shear according to claim 3, characterized in that: The lower end of the lifting platform (5) is fixedly installed with a bearing seat (10), and the lower end of the support base plate (7) is fixedly installed with a threaded seat (8). The end of the threaded seat (8) is threadedly connected with a threaded rod (9), and the upper end of the threaded rod (9) is rotatably connected to the bearing seat (10).

5. The speed-up device for the hydraulic gantry shear according to claim 4, characterized in that: The drive assembly includes a second support base plate (17), which is fixedly installed at the lower end of the first support base plate (7). A second bearing seat (13) is fixedly installed at the upper end of the second support base plate (17). A worm wheel (12) is rotatably connected to the upper end of the second bearing seat (13). A motor (14) is fixedly installed at the upper end of the second support base plate (17). A worm (15) is fixedly connected to the output end of the motor (14). A third bearing seat (16) is fixedly installed at the upper end of the second support base plate (17). One end of the worm (15) is rotatably connected to the third bearing seat (16). The worm (15) meshes with the worm wheel (12).

6. The speed-up device for the hydraulic gantry shear according to claim 5, characterized in that: The threaded rod (9) is hollow inside. The upper end of the worm gear (12) is fixedly connected to the connecting shaft (11). The connecting shaft (11) is located in the hollow part inside the threaded rod (9). The connecting shaft (11) is slidably connected to the threaded rod (9).

7. The speed-up device for the hydraulic gantry shear according to claim 6, characterized in that: A telescopic trigger switch (19) is fixedly installed on one side of the cutter head (3). The lower end of the telescopic trigger switch (19) is flush with the lower end of the cutter head (3). The telescopic trigger switch (19) is in contact with the upper end of the object to be cut. The telescopic trigger switch (19) is used to control the opening and closing of the motor (14).

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