Underwater hard rock crushing device

Abstract

The invention relates to the technical field of underwater hard rock crushing, and discloses an underwater hard rock crushing device.The underwater hard rock crushing device comprises a ship body and a crushing mechanism arranged at the lower end of the ship body, and the crushing mechanism comprises a lifting arm, a fixing frame fixedly installed at one end of the lifting arm, two first rollers and a second roller; a plurality of crushing teeth are arranged on the two first rollers and the second roller, the lifting arm is arranged at the lower end of the ship body, the fixing frame comprises a fixing transverse plate and two supporting plates symmetrically and fixedly installed at the two ends of the fixing transverse plate, the two first rollers are rotatably installed on the two supporting plates, and the second roller is rotatably installed between the two first rollers. The invention aims to solve the problems that when the existing drum-type underwater rock crushing equipment is used for performing underwater rock crushing work, a ship body is easy to shake and incline due to the counter-acting force of rock or the impact force applied by the equipment, and the shaking and inclining not only reduce the working efficiency, but also increase the working risk; and threats are caused to the ship body structure and the safety of operators.

Description

Technical Field

[0001] The invention belongs to the technical field of underwater hard rock crushing, and in particular relates to an underwater hard rock crushing device. Background Art

[0002] In the field of underwater rock crushing, drum-type underwater rock crushing equipment is widely used due to its continuous operation ability and high crushing efficiency. Such equipment usually includes one or more drums equipped with carbide or steel crushing teeth, which crush underwater rocks by rotating.

[0003] Although the drum-type underwater rock crushing equipment has certain advantages in underwater rock breaking, there are some technical problems in actual operation. The main problem is that when performing underwater rock breaking, the hull is prone to shaking and tilting due to the reaction force of the rock or the impact force applied by the equipment. This shaking and tilting not only reduces the operating efficiency, but also increases the operating risk, posing a threat to the hull structure and the safety of the operators. Therefore, we proposed an underwater hard rock crushing device to solve the above problems. Summary of the invention

[0004] The purpose of the present invention is to solve the problem that the hull of the existing drum-type underwater rock crushing equipment is prone to shaking and tilting due to the reaction force of the rock or the impact force applied by the equipment during underwater rock breaking, which not only reduces the operating efficiency but also increases the operating risk, posing a threat to the safety of the hull structure and the operators.

[0005] In order to achieve the above technical objectives, the technical solution adopted by the present invention is as follows:

[0006] An underwater hard rock crushing device comprises a hull and a crushing mechanism arranged at the lower end of the hull, the crushing mechanism comprises a lifting arm, a fixing frame fixedly mounted at one end of the lifting arm, two first rollers and a second roller, the two first rollers and the second rollers are both provided with a plurality of crushing teeth, the lifting arm is arranged at the lower end of the hull, the fixing frame comprises a fixed transverse plate and two support plates symmetrically fixedly mounted at both ends of the fixed transverse plate, the two first rollers are rotatably mounted on the two support plates, the second roller is rotatably mounted between the two first rollers, the rotation direction of the second roller is opposite to the rotation direction of the two first rollers, the fixed transverse plate and the support plate are provided with an installation cavity, the ends of the two first rollers are fixedly mounted with a first transmission wheel, a rotating shaft is rotatably mounted in the fixed transverse plate, two ends of the rotating shaft are fixedly mounted with a second transmission wheel, a first belt is sleeved between the first transmission wheel and the second transmission wheel, the first transmission wheel, the second transmission wheel and the first belt are all arranged in the installation cavity, a first motor is fixedly mounted on the fixed transverse plate, a third transmission wheel is fixedly mounted on the output shaft of the first motor, a fourth transmission wheel is provided on the rotating shaft, and a second belt is sleeved on the third transmission wheel and the fourth transmission wheel.

[0007] It is further defined that a reversing member is provided between the two first rollers and the second roller, the reversing member includes a fixed frame, two first bevel gears, a second bevel gear and a third bevel gear, both ends of the second roller are provided with a cylindrical groove, the fixed frame is arranged in the cylindrical groove, the two first bevel gears are symmetrically mounted in the fixed frame, the second bevel gear and the third bevel gear are symmetrically mounted in the fixed frame and mesh with the two first bevel gears, and the first fixed column and the second fixed column are respectively fixedly installed at one end of the two first rollers and the second rollers close to each other, and the first fixed column and the second fixed column are respectively fixedly connected to the second bevel gear and the third bevel gear. With such a structural design, the second bevel gear can drive the third bevel gear to rotate in the opposite direction under the cooperation of the first bevel gear and the fixed frame, thereby driving the second roller to rotate in the opposite direction to the two first rollers.

[0008] It is further defined that a fixing rod is fixedly installed between the two support plates, the fixing rod passes through the two first rollers and the second rollers, and is rotatably connected to the first roller and the second roller through a bearing, and a connecting frame is fixedly installed on the fixing rod, and the connecting frame is fixedly connected to the fixing frame. With such a structural design, the fixing rod cooperates with the bearing to position the first roller and the second roller without affecting the rotation of the first roller and the second roller.

[0009] Further defined, the fixed transverse plate is provided with a protective cover on the third transmission wheel and the second belt cover. With such a structural design, the protective cover can be arranged inside the third transmission wheel and the second belt cover to prevent the third transmission wheel and the second belt from being damaged by the impact of gravel.

[0010] It is further defined that the hull is symmetrically provided with four groups of support mechanisms that can provide stable support for the hull, the support mechanisms include a positioning seat and a support column, a limited opening is provided on the hull, the positioning seat is fixedly installed on the hull, and the positioning seat is located at the limited opening, the positioning seat is provided with an opening that is consistent with the size of the limited opening, the support column is movably installed in the opening and the limited opening, and the positioning seat is provided with a driving component that can drive the support column to move vertically up and down. Such a structural design is simple in structure and easy to use.

[0011] It is further defined that the driving assembly includes a second motor, a worm, a driving gear and a worm wheel matched with the worm, the second motor is fixedly mounted on a positioning seat, a groove is provided on the positioning seat, the worm is rotatably mounted in the groove, the worm is fixedly connected to the output shaft of the second motor, a fixing column is fixedly mounted on the positioning seat, the driving gear is rotatably mounted on the fixing column, the support column is provided with a fixing tooth meshing with the driving gear, and the worm wheel is fixedly mounted on the end of the driving gear. With such a structural design, when the second motor is working, the worm wheel and the gear can be driven to rotate by the worm, thereby driving the support column to move up and down, and the worm and the worm wheel have a locking effect on the support column, so that the support column produces a stable support effect.

[0012] It is further defined that a transfer end is fixedly mounted at the lower end of the support column, and a roller is rotatably mounted on the transfer end. With such a structural design, when the support column moves downward, the roller moves downward accordingly, which can lower the center of gravity of the hull so that the hull stays stably on the water surface.

[0013] It is further defined that the contact roller is provided with a plurality of anti-skid protrusions, and the two contact rollers on the same side are provided with tracks, and the inner side of the tracks is provided with anti-skid grooves adapted to the anti-skid protrusions. With such a structural design, the roller drives the tracks to move, and when the tracks are in contact with the riverbed, the hull can move easily.

[0014] It is further defined that the lifting arm includes a first connecting arm, a second connecting arm and a hydraulic cylinder, the first connecting arm is rotatably mounted at the lower end of the hull, the second connecting arm is rotatably connected to the lower end of the first connecting arm, the first connecting arm and the second connecting arm are both provided with connecting columns, and the hydraulic cylinder is rotatably mounted between the connecting columns of the first connecting arm and the second connecting arm. Such a structural design is simple in structure and easy to use.

[0015] The invention adopting the above technical solution has the following advantages:

[0016] 1. In the present invention, the lifting arm can bring the first roller and the second roller close to the underwater rock, and the first motor cooperates with a plurality of transmission wheels, the first belt and the second belt to drive the first roller and the second roller to rotate, so as to crush the underwater hard rock. The rotation directions of the first roller and the second roller are opposite. When crushing the hard rock, the reaction force received by the first roller and the second roller will be partially offset, so as to reduce the impact force received by the hull.

[0017] 2. In the present invention, the second motor drives the worm to rotate, which can drive the worm wheel and the driving gear to rotate, so that the support column can move vertically up and down under the positioning action of the positioning seat until the roller and the crawler track contact the underwater riverbed, which can lower the center of gravity of the hull to stably support the hull, and the setting of the crawler track facilitates the movement of the hull in a small range, thereby improving the efficiency and stability of hard rock crushing. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The present invention can be further illustrated by the non-limiting examples given in the accompanying drawings;

[0019] Figure 1 This is a schematic structural diagram of an underwater hard rock crushing device of the present invention;

[0020] Figure 2 It is a structural schematic diagram of a crushing mechanism in an underwater hard rock crushing device of the present invention;

[0021] Figure 3 It is a partial structural schematic diagram of a crushing mechanism in an underwater hard rock crushing device of the present invention;

[0022] Figure 4 It is a schematic cross-sectional structural diagram of a first roller and a second roller in an underwater hard rock crushing device of the present invention;

[0023] Figure 5 for Figure 4 A schematic diagram of the enlarged structure at A in the middle;

[0024] Figure 6 It is a structural schematic diagram of a fixed frame part in an underwater hard rock crushing device of the present invention;

[0025] Figure 7 It is a structural schematic diagram of a supporting mechanism part of an underwater hard rock crushing device of the present invention;

[0026] Figure 8 for Figure 7 Schematic diagram of the enlarged structure at point B in the middle.

[0027] The main component symbols are described as follows:

[0028] 1. Hull;

[0029] 2. Crushing mechanism; 21. Lifting arm;

[0030] 22, fixed frame; 221, fixed horizontal plate; 222, support plate; 223, rotating shaft; 224, first belt; 225, first motor; 226, second belt; 227, protective cover;

[0031] 23. First roller;

[0032] 24. second roller; 241. cylindrical groove;

[0033] 3. Fixed frame; 31. First bevel gear; 32. Second bevel gear; 33. Third bevel gear;

[0034] 34. fixing rod; 341. connecting frame;

[0035] 4. Support mechanism; 41. Positioning seat;

[0036] 42. Support column; 421. Adapter end; 422. Roller; 423. Arc elastic strip;

[0037] 5. Second motor; 51. Worm; 52. Driving gear; 53. Worm wheel. DETAILED DESCRIPTION

[0038] The present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments. It should be noted that in the drawings or descriptions of the specification, similar or identical parts use the same figure numbers, and the implementation methods not shown or described in the drawings are forms known to ordinary technicians in the relevant technical field. In addition, the directional terms mentioned in the embodiments, such as "upper", "lower", "top", "bottom", "left", "right", "front", "back", etc., are only referenced to the directions of the drawings and are not used to limit the scope of protection of the present invention.

[0039] like Figures 1 to 8As shown, an underwater hard rock crushing device of the present invention comprises a hull 1 and a crushing mechanism 2 arranged at the lower end of the hull 1, the crushing mechanism 2 comprises a lifting arm 21, a fixing frame 22 fixedly mounted at one end of the lifting arm 21, two first rollers 23 and a second roller 24, the lifting arm 21 comprises a first connecting arm, a second connecting arm and a hydraulic cylinder, the first connecting arm is rotatably mounted at the lower end of the hull 1, the second connecting arm is rotatably connected to the lower end of the first connecting arm, the first connecting arm and the second connecting arm are both provided with connecting columns, the hydraulic cylinder is rotatably mounted between the connecting columns of the first connecting arm and the second connecting arm, the two first rollers 23 and the second rollers 24 are both provided with a plurality of crushing teeth, the plurality of crushing teeth are cross-distributed along the outer sides of the first rollers 23 and the second rollers 24, the lifting arm 21 is arranged at the lower end of the hull 1, the fixing frame 22 comprises a fixed transverse plate 221 and two support plates 222 symmetrically fixedly mounted at both ends of the fixed transverse plate 221, the two first rollers 23 are rotatably mounted on the two support plates 222, the second roller 24 is rotatably mounted on the two first rollers The second roller 24 rotates in the opposite direction to the first rollers 23 between the two rollers 23. The fixed transverse plate 221 and the support plate 222 are provided with an installation cavity. The ends of the two first rollers 23 are fixedly provided with first transmission wheels. A rotating shaft 223 is rotatably provided in the fixed transverse plate 221. The second transmission wheels are fixedly provided at both ends of the rotating shaft 223. A first belt 224 is sleeved between the first transmission wheel and the second transmission wheel. The first transmission wheel, the second transmission wheel and the first belt 224 are all arranged in the installation cavity. A first motor 225 is fixedly provided on the fixed transverse plate 221. A third transmission wheel is fixedly provided on the output shaft of the first motor 225. A fourth transmission wheel is provided on the rotating shaft 223. The third transmission wheel and the fourth transmission wheel are sleeved with a second belt 226. A protective cover 227 is provided on the fixed transverse plate 221 for the outer cover of the third transmission wheel and the second belt 226. The protective cover 227 can cover the third transmission wheel and the second belt 226 inside, so as to avoid the third transmission wheel and the second belt 226 from being damaged by the collision of gravel.

[0040] A reversing member is provided between the two first rollers 23 and the second rollers 24, and the reversing member includes a fixed frame 3, two first bevel gears 31, a second bevel gear 32 and a third bevel gear 33. Both ends of the second roller 24 are provided with a cylindrical groove 241, and the fixed frame 3 is arranged in the cylindrical groove 241. The two first bevel gears 31 are symmetrically rotatably installed in the fixed frame 3, and the second bevel gear 32 and the third bevel gear 33 are symmetrically rotatably installed in the fixed frame 3 and mesh with the two first bevel gears 31. The ends of the two first rollers 23 and the second rollers 24 close to each other are respectively fixedly installed with a first fixing column and a second fixing column, and the first fixing column and the second fixing column are fixedly connected to the second bevel gear 32 and the third bevel gear 33 respectively. A fixing rod 34 is fixedly installed between the two support plates 222, and the fixing rod 34 passes through the two first rollers 23 and the second rollers 24, and is rotatably connected to the first roller 23 and the second roller 24 through a bearing. A connecting frame 341 is fixedly installed on the fixing rod 34, and the connecting frame 341 is fixedly connected to the fixing frame 3.

[0041] Four groups of support mechanisms 4 are symmetrically arranged on the hull 1 to provide stable support for the hull 1. The support mechanism 4 includes a positioning seat 41 and a support column 42. A limited opening is opened on the hull 1. The positioning seat 41 is fixedly installed on the hull 1, and the positioning seat 41 is located at the limited opening. An opening consistent with the size of the limited opening is provided on the positioning seat 41, and the support column 42 is movably installed in the opening and the limited opening. A driving component that can drive the support column 42 to move vertically up and down is provided on the positioning seat 41. A transfer terminal 421 is fixedly installed at the lower end of the support column 42, and a roller 422 is rotatably installed on the transfer terminal 421. A driving motor matched with the roller 422 is provided on the transfer terminal 421, which can drive the roller 422 and the track 423 to work. A plurality of anti-skid protrusions are provided on the roller 422, and the track 423 is provided on the two contact rollers 422 on the same side. The inner side of the track 423 is provided with an anti-skid groove matched with the anti-skid protrusion.

[0042] The driving assembly includes a second motor 5, a worm 51, a driving gear 52 and a worm wheel 53 matched with the worm 51. The second motor 5 is fixedly mounted on the positioning seat 41. The positioning seat 41 is provided with a groove. The worm 51 is rotatably mounted in the groove. The worm 51 is fixedly connected to the output shaft of the second motor 5. A fixing column is fixedly mounted on the positioning seat 41. The driving gear 52 is rotatably mounted on the fixing column. The support column 42 is provided with fixed teeth meshing with the driving gear 52. The worm wheel 53 is fixedly mounted on the end of the driving gear 52. The worm 51 cooperates with the worm wheel 53, and can drive the support column 42 to move vertically up and down through the driving gear 52. The worm 51 has a locking effect on the worm wheel 53, so that the support column 42 can be in a locked state to provide stable support when the roller 422 contacts the riverbed.

[0043] The method of use of the present invention is as follows:

[0044] When in use, the hull 1 sails above the construction water surface, the second motor 5 works, and the output shaft drives the worm 51 to rotate, causing the worm wheel 53 and the driving gear 52 to rotate, so that the support column 42 can move vertically downward under the limiting action of the positioning seat 41 until the roller 422 and the crawler 423 contact the underwater riverbed, which can lower the center of gravity of the hull 1 to provide stable support for the hull 1, and when the crawler 423 travels on the riverbed, it is convenient to adjust the position of the hull 1 in a small range, thereby improving work efficiency;

[0045] The lifting arm 21 works to bring the fixed frame 22 and the first roller 23 and the second roller 24 into contact with the underwater hard rock. The first motor 225 works to drive the fourth transmission wheel and the rotating shaft 223 to rotate through the third transmission wheel and the second belt 226. The rotating shaft 223 cooperates with the first transmission wheel, the first belt 224 and the second transmission wheel to drive the two first rollers 23 to rotate. The second bevel gear 32 at the end of the first roller 23 rotates in the fixed frame 3, and drives the third bevel gear 33 to rotate in the opposite direction under the drive of the first bevel gear 31, thereby driving the second roller 24 to rotate in the opposite direction to the first roller 23. When the first roller 23 and the first roller 24 rotate to crush the underwater hard rock, the forces acting on the first roller 23 and the second roller 24 are in opposite directions, which can offset the impact force generated during partial crushing, reduce the shaking and tilting of the hull 1, and improve the efficiency of underwater hard rock crushing operations.

[0046] The above is a detailed introduction to an underwater hard rock crushing device provided by the present invention. The description of the specific embodiment is only used to help understand the method and core idea of ​​the present invention. It should be pointed out that for ordinary technicians in this technical field, without departing from the principle of the present invention, several improvements and modifications can be made to the present invention, and these improvements and modifications also fall within the scope of protection of the claims of the present invention.

Claims

1. An underwater hard rock crushing device, comprising a hull (1) and a crushing mechanism (2) arranged at the lower end of the hull (1), characterized in that: The crushing mechanism (2) comprises a lifting arm (21), a fixing frame (22) fixedly mounted at one end of the lifting arm (21), two first rollers (23) and a second roller (24), wherein the two first rollers (23) and the second roller (24) are both provided with a plurality of crushing teeth, the lifting arm (21) is arranged at the lower end of the hull (1), the fixing frame (22) comprises a fixed transverse plate (221) and two support plates (222) symmetrically fixedly mounted at both ends of the fixed transverse plate (221), the two first rollers (23) are rotatably mounted on the two support plates (222), the second roller (24) is rotatably mounted between the two first rollers (23), the rotation direction of the second roller (24) is opposite to the rotation direction of the two first rollers (23), and the fixed transverse plate An installation cavity is provided inside the fixed transverse plate (221) and the support plate (222); first transmission wheels are fixedly installed at the ends of the two first rollers (23); a rotating shaft (223) is rotatably installed in the fixed transverse plate (221); second transmission wheels are fixedly installed at both ends of the rotating shaft (223); a first belt (224) is sleeved between the first transmission wheel and the second transmission wheel; the first transmission wheel, the second transmission wheel and the first belt (224) are all arranged in the installation cavity; a first motor (225) is fixedly installed on the fixed transverse plate (221); a third transmission wheel is fixedly installed on the output shaft of the first motor (225); a fourth transmission wheel is provided on the rotating shaft (223); and a second belt (226) is sleeved on the third transmission wheel and the fourth transmission wheel.

2. The underwater hard rock crushing device according to claim 1, characterized in that: A reversing member is provided between the two first rollers (23) and the second roller (24), and the reversing member comprises a fixed frame (3), two first bevel gears (31), a second bevel gear (32) and a third bevel gear (33). Both ends of the second roller (24) are provided with a cylindrical groove (241). The fixed frame (3) is arranged in the cylindrical groove (241). The two first bevel gears (31) are symmetrically rotatably mounted in the fixed frame (3). The second bevel gear (32) and the third bevel gear (33) are symmetrically rotatably mounted in the fixed frame (3) and mesh with the two first bevel gears (31). A first fixing column and a second fixing column are respectively fixedly mounted on the ends of the two first rollers (23) and the second roller (24) that are close to each other. The first fixing column and the second fixing column are respectively fixedly connected to the second bevel gear (32) and the third bevel gear (33).

3. The underwater hard rock crushing device according to claim 2, characterized in that: A fixing rod (34) is fixedly installed between the two support plates (222); the fixing rod (34) passes through the two first rollers (23) and the second roller (24), and is rotatably connected to the first roller (23) and the second roller (24) via a bearing; a connecting frame (341) is fixedly installed on the fixing rod (34); and the connecting frame (341) is fixedly connected to the fixing frame (3).

4. The underwater hard rock crushing device according to claim 1, characterized in that: A protective cover (227) is provided on the fixed transverse plate (221) outside the third transmission wheel and the second belt (226).

5. The underwater hard rock crushing device according to claim 1, characterized in that: The hull (1) is symmetrically provided with four groups of support mechanisms (4) capable of providing stable support for the hull (1), the support mechanisms (4) comprising a positioning seat (41) and a support column (42), the hull (1) being provided with a limiting opening, the positioning seat (41) being fixedly mounted on the hull (1), and the positioning seat (41) being located at the limiting opening, the positioning seat (41) being provided with an opening having a size consistent with that of the limiting opening, the support column (42) being movably mounted in the opening and the limiting opening, and the positioning seat (41) being provided with a driving component capable of driving the support column (42) to move vertically up and down.

6. The underwater hard rock crushing device according to claim 5, characterized in that: The driving assembly comprises a second motor (5), a worm (51), a driving gear (52) and a worm wheel (53) matched with the worm (51); the second motor (5) is fixedly mounted on a positioning seat (41); a groove is provided on the positioning seat (41); the worm (51) is rotatably mounted in the groove; the worm (51) is fixedly connected to an output shaft of the second motor (5); a fixing column is fixedly mounted on the positioning seat (41); the driving gear (52) is rotatably mounted on the fixing column; the supporting column (42) is provided with fixing teeth meshing with the driving gear (52); and the worm wheel (53) is fixedly mounted on the end of the driving gear (52).

7. The underwater hard rock crushing device according to claim 5, characterized in that: A transfer terminal (421) is fixedly mounted on the lower end of the support column (42), and a roller (422) is rotatably mounted on the transfer terminal (421).

8. The underwater hard rock crushing device according to claim 4, characterized in that: The roller (422) is provided with a plurality of anti-skid protrusions, and two rollers (422) located on the same side are sleeved with tracks (423), and the inner side of the tracks (423) is provided with anti-skid grooves matched with the anti-skid protrusions.

9. The underwater hard rock crushing device according to claim 1, characterized in that: The lifting arm (21) comprises a first connecting arm, a second connecting arm and a hydraulic cylinder, wherein the first connecting arm is rotatably mounted on the lower end of the hull (1), the second connecting arm is rotatably connected to the lower end of the first connecting arm, the first connecting arm and the second connecting arm are both provided with connecting columns, and the hydraulic cylinder is rotatably mounted between the connecting columns of the first connecting arm and the second connecting arm.

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