Ore rock breaking hammer for surface mine excavation
By designing a rock breaker that includes a base, universal wheel, sleeve, worm gear and motor-driven ore rock breaker in open-pit mine mining, the problem of poor stability of the breaker is solved, and the degree of breakage is adjusted through the hammer head and counterweight block. Improves crushing efficiency.
Patent Information
- Application Number
- CN202421307993.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-11
- Publication Date
- 2025-01-14
- Estimated Expiration
- 2034-06-11
AI Technical Summary
The crushing hammers used in existing open-pit mining have poor stability during the crushing process and cannot adjust the degree of crushing, which affects efficiency.
A rock breaker including a base, universal wheel, sleeve, worm gear, screw rod, support plate, motor, transmission wheel and transmission belt is designed. The worm gear and sleeve are driven by the motor to rotate simultaneously, and the screw rod and The support plate moves to enhance stability and adjusts the degree of breakage through the hammer head, hammer body and counterweight.
The stability of the crushing hammer during the crushing process is improved, and the crushing efficiency is enhanced by adjusting the number of counterweights, which improves the effect of ore crushing.
Smart Images
Figure CN222350707U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of mine excavation, in particular to a rock breaker for open-pit mine excavation. Background Art
[0002] A considerable portion of the ores mined in open-pit mines are large pieces of ores that need to be manually crushed before entering the crusher. Currently, the main method of crushing ores and rocks is to use a hydraulic breaker powered by a hook machine or a transfer machine. Although the efficiency is high, the cost is high and the site is large. Considering the site area and cost, some mines use simple movable breakers for crushing.
[0003] In order to facilitate the movement of workers, the existing breaker hammers are equipped with universal wheels at the bottom. The universal wheels will move when the breaker hammer is breaking, making the whole device easy to shift and having poor stability. In addition, most breaker hammers are integrated, so the degree of breaking of the breaker hammer cannot be adjusted, which affects the actual use effect. Utility Model Content
[0004] The utility model aims to provide a rock breaker for open-pit mining to solve the problems raised in the above-mentioned background technology.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a rock breaker for open-pit mining, comprising a base, a universal wheel is arranged at the bottom of the base, a sleeve is arranged inside the base, the outer side of the sleeve is fixedly connected to the worm gear, a screw is arranged inside the sleeve, the bottom of the screw is fixedly connected to a support plate, the bottom of the support plate is bonded and fixed to an anti-slip layer, the inner wall of the base is fixedly connected to a motor, the motor is fixedly connected to one end of the worm, the outer side of the worm is fixedly connected to a transmission wheel, a transmission belt is arranged on the outer side of the transmission wheel, the upper surface of the base is fixedly connected to a fixed frame, a fixed pulley is arranged on the top of the fixed frame, and the fixed A steel wire rope is arranged on the outside of the pulley, one end of the steel wire rope is fixedly connected to the winch, and the other end of the steel wire rope is fixedly connected to the support frame, a rectangular groove is arranged on the support frame, the inside of the rectangular groove is rotatably connected to the rotating drum, the outside of the rotating drum is fixedly connected to the handwheel, a threaded rod is arranged inside the rotating drum, the inner wall of the rectangular groove is fixedly connected to one end of the square rod, a connecting frame is arranged inside the support frame, a socket is arranged on the connecting frame, the socket is fixedly connected to the outside of the hammer head, the support frame is fixedly connected to the outside of the hammer body, the inside of the hammer body is fixedly connected to the limit rod, a counterweight block is arranged inside the hammer body, and a plurality of fixing holes are arranged on the outside of the hammer body.
[0006] Preferably, a circular through hole for moving the screw rod is provided at the bottom of the base, the base is rotatably connected to the outer side of the sleeve through a bearing sleeve, a threaded hole is provided inside the sleeve, and the sleeve is threadedly connected to the outer side of the screw rod through the threaded hole.
[0007] Preferably, the number of the worms is two and they are symmetrically distributed, one end of the worm is rotatably connected to the inner wall of the base, and the outer sides of the worms are meshingly connected to two symmetrical lead screws.
[0008] Preferably, a matching groove for placing the connecting frame is provided inside the supporting frame, and the rectangular groove is connected to the supporting frame through a circular through hole.
[0009] Preferably, the interior of the rotating drum is threadedly connected to the threaded rod via a threaded hole, a square groove is arranged inside the threaded rod, and the threaded rod is slidably connected to the square rod via the square groove.
[0010] Preferably, the outer side of the limit rod is fixedly connected to the limit bar, a matching groove is provided at the center of the counterweight block, the counterweight block is slidingly connected to the limit rod through the matching groove, a threaded groove is provided on the side of the counterweight block, and the counterweight block is matched and connected to the hammer body through bolts.
[0011] Compared with the prior art, the beneficial effects of the utility model are:
[0012] 1. The utility model is provided with a base, a sleeve, a worm gear, a screw, a support plate, a worm, a transmission wheel and a transmission belt. The worm gear is driven by a motor to make the worm gear and the sleeve rotate synchronously, and the screw gear further pushes the support plate to move downward until it is in contact with the ground for support, thereby solving the problem of overall instability of the breaker during the crushing process. At the same time, the motor drive can be used to move the support plate upward to avoid the breaker being hindered by the support plate during movement.
[0013] 2. The utility model also provides a support frame, a rotating drum, a threaded rod, a square rod, a connecting frame, a hammer head and a hammer body. During the first crushing, the tip of the hammer head is used to penetrate into the ore, and then the hand wheel is turned to disengage the threaded rod from the inside of the socket. The hammer body is then used to repeatedly hammer the hammer head, and the crushing efficiency of the ore is improved by using the hammer head. The counterweight block is fixed inside the hammer body by bolts, and the crushing degree of the hammer body is adjusted by adding different numbers of counterweight blocks, thereby enhancing the applicability of the breaker. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0015] Figure 2 It is a schematic diagram of the overall structure of the utility model;
[0016] Figure 3 It is a partial structural schematic diagram of the utility model;
[0017] Figure 4 It is a partial structural schematic diagram of the utility model.
[0018] In the figure: 1. base; 2. universal wheel; 3. sleeve; 4. worm gear; 5. lead screw; 6. support plate; 7. anti-skid layer; 8. motor; 9. worm; 10. transmission wheel; 11. transmission belt; 12. fixed frame; 13. fixed pulley; 14. wire rope; 15. winch; 16. support frame; 17. rectangular groove; 18. rotating drum; 19. handwheel; 20. threaded rod; 21. square rod; 22. connecting frame; 23. socket; 24. hammer head; 25. hammer body; 26. limit rod; 27. counterweight; 28. fixing hole. DETAILED DESCRIPTION
[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0020] See also Figure 1-4 The utility model provides a technical solution: a rock breaker for open-pit mining, comprising a base 1, the bottom of the base 1 is matched and connected with the top of a universal wheel 2 by bolts, the inside of the base 1 is rotatably connected with a sleeve 3, the outside of the sleeve 3 is welded and fixed with a worm wheel 4, the inside of the sleeve 3 is threadedly connected with a screw rod 5, the bottom of the screw rod 5 is welded and fixed with a support plate 6, the bottom of the support plate 6 is adhesively fixed with an anti-skid layer 7, the anti-skid layer 7 is made of rubber, the inner wall of the base 1 is welded and fixed with a motor 8, the motor 8 is welded and fixed with one end of a worm 9, one end of the worm 9 is rotatably connected with the inner wall of the base 1, the outer side of the worm 9 is welded and fixed with a transmission wheel 10, a transmission belt 11 is arranged on the outer side of the transmission wheel 10, the transmission belt 11 connects the transmission wheels 10 on both sides, the upper surface of the base 1 is welded and fixed with a fixed frame 12, the top of the fixed frame 12 is rotatably connected with the side of a fixed pulley 13 through an ear plate, and a steel wire rope is arranged on the outer side of the fixed pulley 13 14, one end of the wire rope 14 is welded and fixed to the winch 15, the other end of the wire rope 14 is welded and fixed to the support frame 16, one end of the support frame 16 is hinged to the upper surface of the base 1, one end of the connecting frame 22 is hinged to the upper surface of the base 1, the support frame 16 and the connecting frame 22 are hinged at the same place, a rectangular groove 17 is provided on the support frame 16, the inside of the rectangular groove 17 is rotatably connected with the rotating drum 18, the outer side of the rotating drum 18 is welded and fixed with the hand wheel 19, the inside of the rotating drum 18 is threadedly connected with the threaded rod 20, the inner wall of the rectangular groove 17 is welded and fixed to one end of the square rod 21, the inside of the support frame 16 is movably connected with the outer side of the connecting frame 22, a socket 23 is provided on the connecting frame 22, the socket 23 is welded and fixed to the outer side of the hammer head 24, the support frame 16 is welded and fixed to the outer side of the hammer body 25, the inside of the hammer body 25 is welded and fixed to the limit rod 26, a counterweight block 27 is provided inside the hammer body 25, and a plurality of fixing holes 28 are provided on the outer side of the hammer body 25,
[0021] The bottom of the base 1 is provided with a circular through hole for the movement of the screw rod 5. The base 1 is rotatably connected to the outer side of the sleeve 3 through a bearing sleeve. A threaded hole is provided inside the sleeve 3. The sleeve 3 is threadedly connected to the outer side of the screw rod 5 through the threaded hole. There are two worm gears 9 and they are symmetrically distributed. One end of the worm gear 9 is rotatably connected to the inner wall of the base 1. The worm gear 9 drives the worm wheel 4 to rotate through the motor 8, so that the sleeve 3 and the worm wheel 4 rotate synchronously, and further the screw rod 5 pushes the support plate 6 to move downward until the support plate 6 moves downward until it fits with the ground for support and fixation. The support plates 6 on both sides are synchronously moved downward by using the transmission wheel 10 and the transmission belt 11. The outer sides of the worm gear 9 are meshed and connected with two symmetrical screw rods 5. The transmission wheel 10 and the transmission belt 11 make the worm gears 9 on both sides rotate synchronously, further making the screw rods 5 and the support plates 6 on both sides move downward synchronously until they fit with the ground, further enhancing the overall stability. A matching groove for placing the connecting frame 22 is provided inside the support frame 16, and the rectangular groove 17 is connected by a circular The through hole is connected to the support frame 16, the inside of the rotating drum 18 is threadedly connected to the threaded rod 20 through a threaded hole, a square groove is arranged inside the threaded rod 20, the threaded rod 20 is slidably connected to the square rod 21 through the square groove, the outer side of the limit rod 26 is welded and fixed to the limit bar, a matching groove is arranged at the center of the counterweight block 27, the counterweight block 27 is slidably connected to the limit rod 26 through the matching groove, a threaded groove is arranged on the side of the counterweight block 27, the counterweight block 27 is matched and connected to the hammer body 25 through a bolt, and the threaded rod 20 is located inside the socket 23 to be The hammer head 24 and the hammer body 25 are synchronously moved upward and downward to knock and break, and then the hand wheel 19 is turned to make the threaded rod 20 move inside the drum 18, and the square rod 21 is used to limit the movement of the threaded rod 20 until the threaded rod 20 is separated from the inside of the socket 23. At this time, the support frame 16 and the connecting frame 22 can be separated freely, so that the hammer body 25 can be pulled up by the winch 15 for knocking. Since the tip of the hammer head 24 penetrates into the ore, it acts as a wedge, thereby improving the crushing efficiency of the breaker;
[0022] Working principle: When in use, the universal wheel 2 is used to push the whole to move to the target position, and then the motor 8 is used to make the worm 9 drive the worm wheel 4 to rotate, so that the sleeve 3 and the worm wheel 4 rotate synchronously, and further the screw rod 5 pushes the support plate 6 to move downward, until the support plate 6 moves downward until it fits with the ground for support and fixation, and the transmission wheel 10 and the transmission belt 11 are used to make the support plates 6 on both sides move downward synchronously, thereby enhancing the overall stability, and the wire rope 14 is used to pull the hammer head 24 and the hammer body 25 upward through the winch 15, and after the clutch of the winch 15 is released, the hammer head 24 and the hammer body 25 crush the ore downward under the action of gravity The tip of the hammer head 24 will penetrate into the ore, and the hand wheel 19 is turned to move the threaded rod 20 outside the square rod 21 until one end of the threaded rod 20 is out of the socket 23. At this time, the support frame 16 and the hammer body 25 are moved upward by the winch 15, and the hammer body 25 is used to hit the hammer head 24 multiple times. The tip of the hammer head 24 is used to improve the efficiency of ore crushing. By placing the counterweight block 27 into the hammer body 25, and inserting the limit rod 26 into the counterweight block 27, the hammer body 25 is connected and fixed to the counterweight block 27 through the bolt passing through the fixing hole 28 and the counterweight block 27, and the crushing degree of the hammer body 25 is adjusted by the number of counterweight blocks 27.
[0023] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.
[0024] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A rock breaker for open-pit mining, comprising a base (1), characterized in that: A universal wheel (2) is arranged at the bottom of the base (1), a sleeve (3) is arranged inside the base (1), the outer side of the sleeve (3) is fixedly connected to the worm wheel (4), a screw rod (5) is arranged inside the sleeve (3), the bottom of the screw rod (5) is fixedly connected to the support plate (6), the bottom of the support plate (6) is bonded and fixed to the anti-slip layer (7), the inner wall of the base (1) is fixedly connected to the motor (8), the motor (8) is fixedly connected to one end of the worm (9), the outer side of the worm (9) is fixedly connected to the transmission wheel (10), a transmission belt (11) is arranged outside the transmission wheel (10), the upper surface of the base (1) is fixedly connected to the fixed frame (12), a fixed pulley (13) is arranged on the top of the fixed frame (12), a steel wire rope (14) is arranged outside the fixed pulley (13), one end of the steel wire rope (14) is fixedly connected to the winch (15), The other end of the steel wire rope (14) is fixedly connected to a support frame (16). A rectangular groove (17) is provided on the support frame (16). The interior of the rectangular groove (17) is rotatably connected to a rotating drum (18). The exterior of the rotating drum (18) is fixedly connected to a hand wheel (19). A threaded rod (20) is provided inside the rotating drum (18). The inner wall of the rectangular groove (17) is fixedly connected to one end of a square rod (21). A connecting frame (22) is provided inside the support frame (16). A plug hole (23) is provided on the connecting frame (22). The plug hole (23) is fixedly connected to the exterior of a hammer head (24). The support frame (16) is fixedly connected to the exterior of a hammer body (25). The interior of the hammer body (25) is fixedly connected to a limiting rod (26). A counterweight block (27) is provided inside the hammer body (25). A plurality of fixing holes (28) are provided on the exterior of the hammer body (25).
2. The rock breaker for open-pit mining according to claim 1, characterized in that: A circular through hole for movement of the screw rod (5) is provided at the bottom of the base (1); the base (1) is rotatably connected to the outer side of the sleeve (3) via a bearing sleeve; a threaded hole is provided inside the sleeve (3); the sleeve (3) is threadedly connected to the outer side of the screw rod (5) via the threaded hole.
3. The rock breaker for open-pit mining according to claim 1, characterized in that: The number of the worms (9) is two and they are symmetrically distributed. One end of the worm (9) is rotatably connected to the inner wall of the base (1), and the outer sides of the worm (9) are meshingly connected to two symmetrical lead screws (5).
4. The rock breaker for open-pit mining according to claim 1, characterized in that: A matching groove for accommodating the connecting frame (22) is provided inside the supporting frame (16), and the rectangular groove (17) is connected to the supporting frame (16) via a circular through hole.
5. The rock breaker for open-pit mining according to claim 1, characterized in that: The interior of the rotating drum (18) is threadedly connected to the threaded rod (20) via a threaded hole, a square groove is arranged inside the threaded rod (20), and the threaded rod (20) is slidably connected to the square rod (21) via the square groove.
6. The rock breaker for open-pit mining according to claim 1, characterized in that: The outer side of the limit rod (26) is fixedly connected to the limit bar, the center of the counterweight block (27) is provided with a matching groove, the counterweight block (27) is slidably connected to the limit rod (26) through the matching groove, the side of the counterweight block (27) is provided with a threaded groove, and the counterweight block (27) is matched and connected to the hammer body (25) through bolts.