Gantry crane with function of diving and vertically cutting objects

Abstract

The invention belongs to the technical field of gantry cranes, and particularly relates to a gantry crane with a diving vertical object cutting function, the gantry crane comprises a gantry main body, a horizontal bridge frame is fixedly mounted at the top end of the gantry main body, and an electric hoist trolley is movably mounted on the horizontal bridge frame; two winding shafts which are symmetrically arranged are rotationally installed in a shell of the electric hoist trolley, and cable trays are fixedly installed on the two winding shafts. According to the gantry crane, the object cutting mechanisms are assembled, so that the gantry crane has the object cutting function, and the movement of the object cutting mechanisms is closely related to the movement of the electric hoist trolley, that is, when the electric hoist trolley moves leftwards, the object cutting mechanism on the left side descends under the traction of the gravity of the electric hoist trolley; the cutting motor works and drives the cutter to rotate, so that the cutter rotates and moves downwards to finish diving vertical cutting of objects, the movable cutting action and the cargo carrying action are combined, and the field operation intensity is greatly relieved.

Description

Technical Field

[0001] The invention relates to a gantry crane, in particular to a gantry crane with the function of diving and vertically cutting objects. Background Art

[0002] Gantry crane is a type of bridge crane with a horizontal bridge frame set on two legs to form a portal shape; this type of crane runs on ground tracks and is mainly used for handling and installation operations in open storage yards, docks, power stations, ports and railway freight stations. The lifting mechanism, trolley running mechanism and bridge structure of the gantry crane are basically the same as those of the bridge crane; the lifting trolley of the gantry crane runs on the bridge frame, and some lifting trolleys are a boom crane.

[0003] However, traditional gantry cranes cannot carry other mechanical equipment to perform diversified work, which reduces the utilization rate. For example, the prior art patent with authorization announcement number CN206827943U discloses a gantry crane with the function of diving vertical cutting objects, including a gantry crane body, vertical brackets are provided at both ends of the gantry crane body, a crossbeam boom is mounted on the upper end of the vertical bracket, and lifting and lowering cutting machine devices are installed at both ends of the bottom of the crossbeam boom, and a cutting support is provided at the lower end of the lifting and lowering cutting machine device. A plurality of cutting openings are opened on the upper surface of the cutting support, and a chip collection box is installed at the bottom end of the cutting support, and push plate devices are fixedly installed at both ends of the upper surface of the cutting support. In the above manner, the utility model can be used as a gantry crane to perform high-power lifting work, and the gantry crane body is also equipped with a lifting and lowering cutting machine device to perform cutting work.

[0004] Although the above-mentioned technologies can realize the lifting of goods and the cutting of objects, both are operated independently and have not been effectively combined, so that the diversified work of the gantry crane carrying other mechanical equipment has not met the convenience requirements. Summary of the invention

[0005] The main purpose of the present disclosure is to provide a gantry crane with a diving vertical cutting function to effectively solve the problems raised by the inventor in the above background technology.

[0006] To achieve the above object, the technical solution adopted by the present invention is as follows:

[0007] A gantry crane with a function of diving and vertically cutting objects comprises a gantry main body, a horizontal bridge is fixedly installed on the top of the gantry main body, and an electric hoist trolley is movably installed on the horizontal bridge, two symmetrically arranged winding shafts are rotatably installed in the shell of the electric hoist trolley, cable drums are fixedly installed on the two winding shafts, and steel wire ropes are wound on the two cable drums, the lower end of the electric hoist trolley is open, the other ends of the two steel wire ropes extend outside the electric hoist trolley and are fixedly connected to the same hook assembly, and the steering directions of the two winding shafts are opposite;

[0008] A power lifting mechanism, the power lifting mechanism is used to drive the two winding shafts to rotate;

[0009] A travel drive mechanism, which is used to drive the electric hoist trolley to move;

[0010] An object cutting mechanism, wherein the object cutting mechanism is used for cutting an object;

[0011] A lifting and diving mechanism, which is used to lift and lower the object cutting mechanism, and the lifting and diving mechanism is used in conjunction with the walking drive mechanism;

[0012] The object placing mechanism is used to place the objects to be cut, and the object placing mechanism is located below the object cutting mechanism.

[0013] Preferably, the power lifting mechanism includes a worm wheel, a U-shaped frame, a worm, a second servo motor, a first bevel gear and a second bevel gear. The U-shaped frame is fixedly installed in the shell of the electric hoist trolley, and a worm is rotatably installed between the side of the U-shaped frame and the side wall of the shell of the electric hoist trolley, and the spiral directions of the two worms are the same. A second servo motor is fixedly installed on the top of the electric hoist trolley, and the output end of the second servo motor is fixedly connected to the first bevel gear. The ends of the two worms close to each other extend into the U-shaped frame and are fixedly connected to the second bevel gear. The first bevel gear is located in the U-shaped frame and meshes with the two second bevel gears for transmission. Worm wheels are fixedly installed on the two winding shafts, and the worm wheels are located on the rear side of the cable drum, and the two worms are respectively meshed with the two worm wheels.

[0014] Preferably, the travel drive mechanism includes a horizontal slide groove, a load-bearing travel seat, a transverse screw rod, and a first servo motor. A horizontal slide groove is opened on the horizontal bridge frame, and a transverse screw rod is rotatably installed in the horizontal slide groove. The first servo motor is fixedly installed on the horizontal bridge frame, and the transverse screw rod is fixedly connected to the output end of the first servo motor. The two load-bearing travel seats are threadedly installed on the transverse screw rod, and the load-bearing travel seats are slidably connected in the horizontal slide groove. The lower end of the load-bearing travel seat is fixedly connected to the upper end of the electric hoist trolley, and the moving directions of the two load-bearing travel seats are the same.

[0015] Preferably, the object cutting mechanism includes a counterweight, a motor seat, a cutting motor, a cutter and a protective cover, the lower end of the counterweight is fixedly connected to the motor seat, the cutting motor is fixedly mounted on the motor seat, and the output end of the cutting motor is fixedly connected to the cutter, the motor seat is fixedly connected to the protective cover, the cutter movably penetrates the inner cavity of the protective cover, and the lower end portion of the slice is located outside the protective cover, and the counterweight is movably mounted on the gantry body through a lifting and diving mechanism.

[0016] Preferably, the lifting and diving mechanism includes a Z-axis slide rail and a lifting sleeve, the Z-axis slide rails are fixedly installed on both sides of the gantry body, the lifting sleeve is slidably installed on the Z-axis slide rail, the counterweight block is fixedly connected to the lifting sleeve, and non-elastic ropes are tied on both sides of the shell of the electric hoist trolley, rope threading holes are opened on the two side columns of the gantry body, and wheel brackets are fixedly installed on the outer sides of the two side columns of the gantry body, and a rope guide wheel is rotatably installed on the wheel bracket, and the rope guide wheel is arranged at the same height as the rope threading hole, and the end of the non-elastic rope away from the electric hoist trolley passes through the rope threading hole, bypasses the rope guide wheel, and is tied to the top of the counterweight block.

[0017] Preferably, the object placing mechanism includes an object cutting table, supporting legs, a position limiting opening and a chip leakage hole. Support legs are fixedly installed on the two bases of the gantry body, and the upper ends of the supporting legs are fixedly connected to the object cutting table. The object cutting table is located below the cutter. The top of the object cutting table is in a groove shape, and limited position openings are provided at the front and rear grooves of the groove. The depth of the position limiting opening is smaller than the depth of the groove, and a chip leakage hole is provided at the bottom of the groove.

[0018] Preferably, an installation opening is provided on the load-bearing walking seat, and a wheel mounting frame is fixedly installed on the inner top wall of the installation opening, a track walking wheel is rotatably installed on the wheel mounting frame through a roller shaft, and the track walking wheel is located outside the installation opening, a rail groove arranged parallel to the horizontal slide groove is provided on the top of the horizontal bridge frame, the track walking wheel is movably connected in the rail groove, and an accordion cover is fixedly connected to the top of the horizontal bridge frame, and the accordion cover covers the horizontal slide groove and the rail groove.

[0019] In view of this, compared with the prior art, the beneficial effects of the present invention are:

[0020] (I) In the present application, the cargo is fixed on the hook assembly. When working, the second servo motor works, so that it drives the No. 1 bevel gear to rotate, that is, the two No. 2 bevel gears rotate accordingly, so that the two worms rotate in opposite directions, and then drive the two worm wheels to rotate, so that the two winding shafts rotate in opposite directions. The two cable drums respectively reel in or release the two steel ropes, thereby realizing the traction and lifting of the cargo, so as to transport the materials, with simple operation and high stability.

[0021] (ii) In the present application, the first servo motor works, which will drive the transverse screw to rotate, so that the load-bearing traveling seat can move along the horizontal slide groove, and the track walking wheel rolls along the track groove, so that the movement of the load-bearing traveling seat is smoother and more stable, providing guarantee for the stability of the electric hoist trolley. The load-bearing traveling seat can move slowly with the electric hoist trolley to transport the goods, and the load-bearing traveling seat is mainly supported by the horizontal bridge frame to reduce the loss of the transverse screw and extend the service life.

[0022] (III) In the present application, an object cutting mechanism is installed, so that the gantry crane has the function of cutting objects, and the movement of the object cutting mechanism is closely related to the movement of the electric hoist trolley. When the electric hoist trolley moves to the left, it will pull the object cutting mechanism on the right to rise, while the object cutting mechanism on the left will move downward under the traction of its gravity. The lifting sleeve slides along the Z-axis slide rail, so that the counterweight block drives the cutting motor to move downward, and the object to be cut is placed on the object cutting table on the left. The cutting motor works and drives the cutter to rotate, so that the cutter on the left rotates and moves downward to complete the dive vertical cutting of the object. The mobile cutting action is combined with the cargo handling action, which greatly reduces the on-site operation intensity. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 The figure shows a schematic structural diagram of a gantry crane with a dive vertical cutting function provided by the present invention;

[0024] Figure 2 The figure shows a cross-sectional view of a gantry crane structure P with a dive vertical cutting function provided by the present invention;

[0025] Figure 3 Shown Figure 1 Schematic diagram of the CEC hoist trolley after moving to the left;

[0026] Figure 4 The figure shows the internal structure diagram of the electric hoist trolley;

[0027] Figure 5 Shown Figure 2 Schematic diagram of the local structure in;

[0028] Figure 6 Shown is a top view of the horizontal bridge;

[0029] Figure 7 Shown is a stereoscopic view of the Z-axis slide rail;

[0030] Figure 8 Shown is a perspective view of an object cutting table.

[0031] icon:

[0032] 1-gantry body; 101-Z-axis slide rail; 102-lifting sleeve; 103-counterweight; 104-motor seat; 105-cutting motor; 106-cutter; 107-protective cover; 108-wheel bracket; 109-rope guide wheel; 110-non-elastic rope;

[0033] 2-horizontal bridge; 201-horizontal slide; 202-load-bearing travel seat; 2021-installation port; 2022-wheel mounting frame; 2023-track travel wheel; 203-transverse screw rod; 204-first servo motor; 205-bellows cover; 206-track groove;

[0034] 3-electric hoist trolley; 301-winding shaft; 302-cable drum; 303-wire rope; 304-worm gear; 305-U-shaped frame; 306-worm; 307-second servo motor; 308-first bevel gear; 309-second bevel gear;

[0035] 4-Hook assembly;

[0036] 5-object cutting table; 501-supporting leg; 502-position limit opening; 503-chip leakage hole. DETAILED DESCRIPTION

[0037] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0038] See also Figure 1-8 , the present invention provides the following embodiments:

[0039] A gantry crane with a function of diving and vertically cutting objects comprises a gantry main body 1, a horizontal bridge 2 is fixedly installed on the top of the gantry main body 1, and an electric hoist trolley 3 is movably installed on the horizontal bridge 2, two symmetrically arranged winding shafts 301 are rotatably installed in the shell of the electric hoist trolley 3, cable drums 302 are fixedly installed on the two winding shafts 301, and steel wire ropes 303 are wound on the two cable drums 302, the lower end of the electric hoist trolley 3 is open, the other ends of the two steel wire ropes 303 extend to the outside of the electric hoist trolley 3, and are fixedly connected to the same hook assembly 4, and the two winding shafts 301 turn in opposite directions;

[0040] A power lifting mechanism, which is used to drive the two winding shafts 301 to rotate;

[0041] A travel drive mechanism, which is used to drive the electric hoist trolley 3 to move;

[0042] An object cutting mechanism, the object cutting mechanism is used for cutting objects;

[0043] The lifting and diving mechanism is used to lift and lower the object cutting mechanism, and the lifting and diving mechanism is used in conjunction with the walking drive mechanism;

[0044] The object placing mechanism is used to place the objects to be cut, and the object placing mechanism is located below the object cutting mechanism.

[0045] Specifically, the power lifting mechanism includes a worm gear 304, a U-shaped frame 305, a worm 306, a second servo motor 307, a first bevel gear 308 and a second bevel gear 309. The U-shaped frame 305 is fixedly installed in the shell of the electric hoist trolley 3. A worm 306 is rotatably installed between the side of the U-shaped frame 305 and the side wall of the shell of the electric hoist trolley 3, and the spiral directions of the two worms 306 are the same. The top of the electric hoist trolley 3 is fixedly installed with a second servo motor 307, and the first bevel gear 308 and the second bevel gear 309 are fixedly installed. The output ends of the two servo motors 307 are fixedly connected to the first bevel gear 308, and the ends of the two worm gears 306 close to each other extend into the U-shaped frame 305 and are fixedly connected to the second bevel gear 309. The first bevel gear 308 is located in the U-shaped frame 305 and meshes with the two second bevel gears 309 for transmission. Worm wheels 304 are fixedly installed on the two winding shafts 301, and the worm wheels 304 are located on the rear side of the cable drum 302, and the two worm gears 306 are respectively meshed with the two worm wheels 304.

[0046] Specifically, the walking drive mechanism includes a horizontal slide 201, a load-bearing walking seat 202, a transverse screw rod 203, and a first servo motor 204. The horizontal bridge 2 is provided with a horizontal slide 201, and a transverse screw rod 203 is rotatably installed in the horizontal slide 201. The first servo motor 204 is fixedly installed on the horizontal bridge 2, and the transverse screw rod 203 is fixedly connected to the output end of the first servo motor 204. Both the two load-bearing walking seats 202 are threadedly installed on the transverse screw rod 203, and the load-bearing walking seats 202 are slidably connected in the horizontal slide 201. The lower end of the seat 202 is fixedly connected to the upper end of the electric hoist trolley 3, and the two load-bearing traveling seats 202 have the same moving direction. A mounting opening 2021 is provided on the load-bearing traveling seat 202, and a wheel mounting frame 2022 is fixedly installed on the inner top wall of the mounting opening 2021. A track traveling wheel 2023 is rotatably installed on the wheel mounting frame 2022 through a roller shaft, and the track traveling wheel 2023 is located outside the mounting opening 2021. A rail groove 206 parallel to the horizontal slide groove 201 is provided on the top of the horizontal bridge frame 2, and the track traveling wheel 2023 is movably connected in the rail groove 206.

[0047] Specifically, the top of the horizontal bridge frame 2 is fixedly connected with an accordion cover 205 , and the accordion cover 205 covers the horizontal slide groove 201 and the rail groove 206 .

[0048] Specifically, the object cutting mechanism includes a counterweight 103, a motor base 104, a cutting motor 105, a cutter 106 and a protective cover 107. The lower end of the counterweight 103 is fixedly connected to the motor base 104, the cutting motor 105 is fixedly installed on the motor base 104, and the output end of the cutting motor 105 is fixedly connected to the cutter 106, the motor base 104 is fixedly connected to the protective cover 107, the cutter 106 movably penetrates the inner cavity of the protective cover 107, and the lower end part of the slice is located outside the protective cover 107, and the counterweight 103 is movably installed on the gantry body 1 through a lifting and diving mechanism.

[0049] Specifically, the lifting and diving mechanism includes a Z-axis slide rail 101 and a lifting sleeve 102. The Z-axis slide rails 101 are fixedly installed on both sides of the gantry body 1, and the lifting sleeve 102 is slidably installed on the Z-axis slide rails 101. The counterweight block 103 is fixedly connected to the lifting sleeve 102. Inelastic ropes 110 are tied to both sides of the shell of the electric hoist trolley 3. Rope threading holes are opened on the two side columns of the gantry body 1. Wheel brackets 108 are fixedly installed on the outer sides of the two side columns of the gantry body 1. Rope guide wheels 109 are rotatably installed on the wheel brackets 108, and the rope guide wheels 109 are arranged at the same height as the rope threading holes. The end of the inelastic rope 110 away from the electric hoist trolley 3 passes through the rope threading hole, bypasses the rope guide wheel 109, and is tied to the top of the counterweight block 103, so that the movement of the cutting motor 105 is combined with the movement of the electric hoist trolley 3.

[0050] Specifically, the object placement mechanism includes an object cutting table 5, support legs 501, a position limiting opening 502 and a chip leakage hole 503. The support legs 501 are fixedly installed on the two bases of the gantry body 1, and the upper ends of the support legs 501 are fixedly connected to the object cutting table 5. The object cutting table 5 is located below the cutter 106. The top of the object cutting table 5 is in a groove shape, and the front and rear grooves of the groove are provided with limited position openings 502. The depth of the position limiting opening 502 is smaller than the depth of the groove. The bottom of the groove is provided with a chip leakage hole 503. An external object fixing device can be installed on the object cutting table 5 to fix the object. The external object fixing device is not limited, so it is not repeated; the object is overlapped on the front and rear limit openings 502. When cutting, the cutter 106 extends into the groove to avoid obstruction to the rotating cutting action of the cutter 106. The cutting waste can be discharged through the chip leakage hole 503 to avoid material stacking.

[0051] The specific implementation of this embodiment is as follows: the cargo is fixed on the hook assembly 4, and when working, the second servo motor 307 works, so that it drives the first bevel gear 308 to rotate, that is, the two second bevel gears 309 rotate accordingly, so that the two worms 306 rotate, and the rotation directions are opposite, and then the two worm wheels 304 are driven to rotate, so that the two winding shafts 301 rotate, and the rotation directions are opposite, and the two cable drums 302 respectively wind up or release the two steel wire ropes 303, thereby realizing the traction and lifting of the cargo, so as to transport the materials, and the operation is simple and the stability is high;

[0052] When the first servo motor 204 is working, it will drive the transverse screw rod 203 to rotate, so that the load-bearing traveling seat 202 can move along the horizontal slide groove 201, and the track walking wheel 2023 rolls along the track groove 206, so that the movement of the load-bearing traveling seat 202 is smoother and more stable, providing a guarantee for the stability of the electric hoist trolley 3, and the load-bearing traveling seat 202 can slowly move with the electric hoist trolley 3 to carry the goods, and the load-bearing traveling seat 202 is mainly supported by the horizontal bridge frame 2, so as to reduce the loss of the transverse screw rod 203 and extend the service life;

[0053] The object cutting mechanism is equipped so that the gantry crane has the function of cutting objects, and the movement of the object cutting mechanism is closely related to the movement of the electric hoist trolley 3. For example, when the electric hoist trolley 3 moves to the left, it will pull the object cutting mechanism on the right to rise, while the object cutting mechanism on the left will move downward under the traction of its gravity. The lifting sleeve 102 slides along the Z-axis slide rail 101, so that the counterweight block 103 drives the cutting motor 105 to move downward, and the object to be cut is placed on the object cutting table 5 on the left. The cutting motor 105 works and drives the cutter 106 to rotate, so that the cutter 106 on the left rotates and moves downward to complete the dive vertical cutting of the object; similarly, when the electric hoist trolley 3 moves to the right, the cutter 106 on the right completes the cutting task, combining the mobile cutting action with the cargo handling action, which greatly reduces the on-site work intensity.

[0054] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0055] The preferred embodiments of the present invention disclosed above are only used to help illustrate the present invention. The preferred embodiments do not describe all the details in detail, nor do they limit the invention to the specific implementation methods described. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the present invention, so that those skilled in the art can understand and use the present invention well. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. A gantry crane with the function of diving and vertically cutting objects, characterized in that: The invention comprises a gantry main body (1), a horizontal bridge (2) is fixedly mounted on the top of the gantry main body (1), and an electric hoist trolley (3) is movably mounted on the horizontal bridge (2), two symmetrically arranged winding shafts (301) are rotatably mounted in the housing of the electric hoist trolley (3), a cable drum (302) is fixedly mounted on the two winding shafts (301), and steel wire ropes (303) are wound around the two cable drums (302), the lower end of the electric hoist trolley (3) is open, the other ends of the two steel wire ropes (303) extend outside the electric hoist trolley (3) and are fixedly connected to the same hook assembly (4), and the two winding shafts (301) have opposite turning directions; A power lifting mechanism, the power lifting mechanism is used to drive the two winding shafts (301) to rotate; A travel drive mechanism, the travel drive mechanism is used to drive the electric hoist trolley (3) to move; An object cutting mechanism, wherein the object cutting mechanism is used for cutting an object; A lifting and diving mechanism, which is used to lift and lower the object cutting mechanism, and the lifting and diving mechanism is used in conjunction with the walking drive mechanism; The object placing mechanism is used to place the objects to be cut, and the object placing mechanism is located below the object cutting mechanism.

2. A gantry crane with a dive and vertical cutting function according to claim 1, characterized in that: The power lifting mechanism comprises a worm gear (304), a U-shaped frame (305), a worm (306), a second servo motor (307), a first bevel gear (308) and a second bevel gear (309); the U-shaped frame (305) is fixedly installed in the housing of the electric hoist trolley (3); a worm (306) is rotatably installed between the side of the U-shaped frame (305) and the side wall of the housing of the electric hoist trolley (3); and the spiral directions of the two worms (306) are the same; a second servo motor (307) is fixedly installed on the top of the electric hoist trolley (3), and the second servo The output end of the servo motor (307) is fixedly connected to a first bevel gear (308); the ends of the two worm gears (306) close to each other extend into the U-shaped frame (305) and are fixedly connected to a second bevel gear (309); the first bevel gear (308) is located in the U-shaped frame (305) and meshes with the two second bevel gears (309) for transmission; worm wheels (304) are fixedly installed on the two winding shafts (301), and the worm wheels (304) are located at the rear side of the cable drum (302); and the two worm gears (306) are respectively meshed with the two worm wheels (304).

3. A gantry crane with a dive and vertical cutting function according to claim 2, characterized in that: The travel drive mechanism comprises a horizontal slide groove (201), a load-bearing travel seat (202), a transverse screw rod (203), and a first servo motor (204); the horizontal bridge (2) is provided with a horizontal slide groove (201), and a transverse screw rod (203) is rotatably installed in the horizontal slide groove (201); the first servo motor (204) is fixedly installed on the horizontal bridge (2), and the transverse screw rod (203) is fixedly connected to the output end of the first servo motor (204); the two load-bearing travel seats (202) are both threadedly installed on the transverse screw rod (203), and the load-bearing travel seats (202) are slidably connected in the horizontal slide groove (201); the lower end of the load-bearing travel seat (202) is fixedly connected to the upper end of the electric hoist trolley (3), and the two load-bearing travel seats (202) have the same moving direction.

4. A gantry crane with a dive and vertical cutting function according to claim 3, characterized in that: The object cutting mechanism comprises a counterweight (103), a motor seat (104), a cutting motor (105), a cutter (106) and a protective cover (107); the lower end of the counterweight (103) is fixedly connected to the motor seat (104); the cutting motor (105) is fixedly mounted on the motor seat (104); the output end of the cutting motor (105) is fixedly connected to the cutter (106); the motor seat (104) is fixedly connected to the protective cover (107); the cutter (106) movably penetrates the inner cavity of the protective cover (107); and the lower end portion of the slice is located outside the protective cover (107); the counterweight (103) is movably mounted on the gantry body (1) through a lifting and diving mechanism.

5. A gantry crane with the function of diving and vertically cutting objects according to claim 4, characterized in that: The lifting and diving mechanism comprises a Z-axis slide rail (101) and a lifting sleeve (102); the Z-axis slide rail (101) is fixedly installed on both sides of the gantry body (1); the lifting sleeve (102) is slidably installed on the Z-axis slide rail (101); and the counterweight block (103) is fixedly connected to the lifting sleeve (102).

6. A gantry crane with a dive and vertical cutting function according to claim 5, characterized in that: Both sides of the shell of the electric hoist trolley (3) are tied with non-elastic ropes (110), and both side columns of the gantry body (1) are provided with rope threading holes. Wheel brackets (108) are fixedly installed on the outer sides of the two side columns of the gantry body (1), and rope guide wheels (109) are rotatably installed on the wheel brackets (108). The rope guide wheels (109) are arranged at the same height as the rope threading holes. The end of the non-elastic rope (110) away from the electric hoist trolley (3) passes through the rope threading hole, bypasses the rope guide wheel (109), and is tied to the top of the counterweight (103).

7. A gantry crane with a dive and vertical cutting function according to claim 6, characterized in that: The object placement mechanism comprises an object cutting table (5), a support leg (501), a position limiting opening (502) and a chip leakage hole (503); the support legs (501) are fixedly mounted on the two bases of the gantry main body (1); the upper ends of the support legs (501) are fixedly connected to the object cutting table (5); the object cutting table (5) is located below the cutter (106); the top of the object cutting table (5) is in the shape of a groove, and the front and rear grooves of the groove are provided with a position limiting opening (502); the depth of the position limiting opening (502) is smaller than the depth of the groove; and the bottom of the groove is provided with a chip leakage hole (503).

8. The gantry crane with the function of diving and vertically cutting objects according to claim 3, characterized in that: The load-bearing travel seat (202) is provided with an installation opening (2021), and a wheel mounting frame (2022) is fixedly mounted on the inner top wall of the installation opening (2021); a track travel wheel (2023) is rotatably mounted on the wheel mounting frame (2022) via a roller shaft, and the track travel wheel (2023) is located outside the installation opening (2021); a track groove (206) arranged parallel to the horizontal slide groove (201) is provided on the top of the horizontal bridge frame (2), and the track travel wheel (2023) is movably connected in the track groove (206).

9. A gantry crane with a dive and vertical cutting function according to claim 8, characterized in that: The top of the horizontal bridge (2) is fixedly connected with an accordion cover (205), and the accordion cover (205) covers the horizontal slide groove (201) and the rail groove (206).

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