CN220780478U

CN220780478U - Stone crushing device for mining machinery

Info

Publication number: CN220780478U
Application number: CN202322369419.1U
Authority: CN
Inventors: 林资明
Original assignee: Jiangsu Gangzhong Equipment Technology Co ltd
Current assignee: Jiangsu Gangzhong Equipment Technology Co ltd
Priority date: 2023-09-01
Filing date: 2023-09-01
Publication date: 2024-04-16
Anticipated expiration: 2033-09-01

Abstract

The utility model belongs to the technical field of mining machinery, and particularly relates to a stone crushing device for the mining machinery, which comprises a shell, a clamp assembly and a hammer assembly, wherein the clamp assembly is rotationally connected to the shell, the hammer assembly is in sliding fit with the inner wall of the shell, the clamp assembly comprises a clamp motor, a rotating arm, clamping jaws and a hydraulic rod, the hammer assembly comprises a drill bit base, a drill bit, a spring, a percussion hammer, a cam and a cam motor, one ends of the rotating arm and the hydraulic rod are rotationally connected with the clamping jaws, the clamp motor is fixed on the shell, the other ends of the rotating arm are connected with the clamp motor, the hydraulic rod is rotationally connected with the shell, the clamp is used for clamping stones with different sizes through the clamp motor and the hydraulic rod, and the cam motor drives the cam to apply force to the percussion hammer to impact the drill bit base, so that the drill bit connected with the drill bit base breaks the stones.

Description

Stone crushing device for mining machinery

Technical Field

The utility model belongs to the technical field of mining machinery, and particularly relates to a stone breaking device for the mining machinery.

Background

The stone crusher is a common mechanical device, and has the function of crushing large stones, rocks and other materials into stones with different sizes, so that important raw materials can be provided for the fields of industry, construction industry and the like, the labor cost is reduced, and the production efficiency is greatly improved due to the use of the stone crusher.

The utility model discloses a lithotripter for mining machinery that authorizes bulletin number CN 213995997U, includes the dead lever, the right side fixed mounting of dead lever has the connecting seat, the back fixed mounting of dead lever has the motor, the output shaft fixed mounting of motor has the pivot that extends to the dead lever inside, the outside fixed mounting of pivot has the eccentric wheel, the bottom fixed mounting of dead lever has the base, the inside movable mounting of base has the movable rod that extends to the dead lever inside, movable sleeve, stable spring, limiting plate, connecting block, movable seat and the kicking block of movable rod bottom are installed by a wide margin through fixed axle swing joint to movable rod and eccentric wheel.

This prior art is middle stone crusher one end fixed connection is on robotic arm, and the other end that is used for the rubble does not have fixed fulcrum however, leads to the unable steady state that forms of stone crusher at rubble in-process, and the impact force that produces when rubble can make the kicking block skid or make the kicking block take place to bounce, leads to unable messenger's stone cracked, consequently need design a stone crusher that can fix the stone when carrying out cracked to the stone.

Disclosure of Invention

The utility model provides a stone crushing device for mining machinery, which aims to solve the problem that in the prior art, the stone cannot be crushed due to the fact that a top block slips or bounces due to impact force generated during stone crushing.

The aim of the utility model can be achieved by the following technical scheme:

the utility model relates to a stone breaking device for mining machinery, which comprises a shell, a clamp assembly and a hammer assembly, wherein the hammer assembly is in sliding fit with the inner wall of the shell, the clamp assembly is rotationally connected to the shell, and the clamp assembly is used as a fixed fulcrum for fixing one end of the shell and a stone block.

Further, the fixture assembly further comprises a fixture motor, a rotating arm, clamping jaws and a hydraulic rod, wherein the fixture motor is fixed on the side face of the shell, the rotating arm is connected with a driving shaft of the fixture motor, one end of the hydraulic rod is rotationally connected to the shell, the rotating arm and the hydraulic rod are rotationally connected with the clamping jaws, the rotating arm is parallel to the hydraulic rod, and the axes of rotating shafts of the rotating arm and the hydraulic rod on the clamping jaws are not collinear.

Further, the hammer assembly further comprises a drill bit base and a drill bit, the drill bit base comprises a large column section and a small column section, the large column section and the small column section are fixedly connected, the drill bit base is arranged in the shell and is in sliding fit with the inner wall of the shell, the bottom of the large column section is in butt joint with the bottom of the inner wall of the shell, and the small column section and the drill bit are detachably connected.

Further, the hammer assembly further comprises a spring, a hammer, a cam and a cam motor, the hammer comprises a hammer cap and a hammer rod, the hammer cap and the hammer rod are fixedly connected, the bottom of the spring is in butt joint with the top of the drill bit base, the bottom of the hammer cap is in butt joint with the top of the spring and enables the striking rod to be located at the hollow part of the spring, the cam motor is fixed on the inner wall of the shell, the cam is connected with a driving shaft of the cam motor, and the cam rim is in butt joint with the top of the hammer cap.

Further, the hammer cap further comprises a pulley rotatably connected to the top of the hammer cap and abutting against the cam rim.

Further, the hammer cap further comprises a limiting column, wherein the limiting column is arranged on the inner wall of the shell, and the bottom of the limiting column is in butt joint with the top of the hammer cap.

The beneficial effects of the utility model are as follows:

according to the utility model, the clamp assembly is provided for the stone breaking device, so that the clamp assembly plays a role in clamping stones when the stone breaking device breaks stones, the other end of the stone breaking device is fixed with the stones on the basis that one end of the stone breaking device is connected with the mechanical arm, and the other fixed fulcrum is provided, so that the state of the stone breaking device is more stable when breaking stones, a drill bit cannot slip and bounce when breaking the stones, and a better breaking effect on the stones is realized.

Drawings

The present utility model is further described below with reference to the accompanying drawings for the convenience of understanding by those skilled in the art.

Fig. 1 is a schematic structural view of a stone crusher for mining machinery according to the present utility model.

Reference numerals illustrate: 1. a housing; 2. a cam motor; 3. a cam; 4. a percussion hammer; 5. a pulley; 6. a limit column; 7. a spring; 8. a drill base; 9. a drill bit; 10. a clamp assembly; 101. a rotating arm; 102. a hydraulic rod; 103. a clamping jaw; 104. a clamp motor; 11. a hammer assembly.

Detailed Description

In order to further describe the technical means and effects adopted by the utility model for achieving the preset aim, the following detailed description is given below of the specific implementation, structure, characteristics and effects according to the utility model with reference to the attached drawings and the preferred embodiment.

As shown in fig. 1, the stone breaker for mining machinery of the present utility model comprises a casing 1, a clamp assembly 10, and a hammer assembly 11, wherein the hammer assembly 11 is slidably attached to the inner wall of the casing 1, the clamp assembly 10 is rotatably connected to the casing 1, the clamp assembly 10 is used as a fixing fulcrum for fixing one end of the casing 1 to a stone, the stone breaker is mainly connected to a movable mechanical arm, and the stone breaker is used for breaking stones by the mechanical arm, so that one end of the stone breaker is rotatably connected to the mechanical arm, while the other end is used for breaking stones, since the stone breaker of the prior art cannot provide fixing of the stone to be broken, the contact surface between the drill 9 and the stone is small, and no auxiliary fixing structure is provided, and the stone breaker breaks the stone by the impact of the drill 9 on the stone during breaking of the stone, so that the drill 9 can slip or bounce open during breaking, resulting in failure of the breaking effect;

the fixture assembly 10 is rotatably connected with the fixture assembly 10 on the shell 1, so that the fixture assembly 10 can realize the clamping function, the stone is clamped by the fixture assembly 10 before the stone is crushed, the stone crushing device is provided with another fixed fulcrum on the other end of the stone crushing device on the basis that one end of the stone crushing device is connected with a mechanical arm, a stable structure is provided for the whole stone crushing device when the stone is crushed, the drill bit 9 cannot slip and bounce during crushing, and the crushing effect on the stone is realized.

In the above embodiment, only the clamping of the stone by the clamp assembly 10 and the clamp motor 104 is provided, so that the clamp can achieve better clamping effect on the stone, therefore, in this embodiment, the clamp assembly 10 further comprises the clamp motor 104, the rotating arm 101, the clamping jaw 103 and the hydraulic rod 102, the clamp motor 104 is fixed on the side surface of the shell 1, the rotating arm 101 is in driving connection with the clamp motor 104, one end of the hydraulic rod 102 is rotatably connected to the shell 1, the rotating arm 101 and the hydraulic rod 102 are rotatably connected with the clamping jaw 103, the rotating arm 101 is parallel to the hydraulic rod 102, and the axes of the rotating arm 101 and the rotating shaft of the hydraulic rod 102 on the clamping jaw 103 are not collinear;

the clamp motor 104 can drive the rotating arm 101, the hydraulic rod 102 and the clamping jaw 103 to integrally rotate, the hydraulic rod 102 is connected with the tail end of the clamping jaw 103, on the basis that the rotating arm 101 is connected with the other point on the clamping jaw 103, the clamping jaw 103 can realize clamping action through the expansion and contraction of the hydraulic rod 102, and the clamp assembly 10 can realize clamping of stones with different sizes through the combined action of the clamp motor 104 and the hydraulic rod 102, so that the axes of the rotating shafts of the rotating arm 101 and the hydraulic rod 102 on the clamping jaw 103 are required to be non-collinear, and because a lever structure cannot be formed when the axes of the rotating shafts of the rotating arm 101 and the hydraulic rod 102 on the clamping jaw 103 are collinear, the lever effect cannot be realized;

when a larger stone is required to be clamped, the rotating arm 101 on the clamp assembly 10 is opened to a maximum angle through the clamp motor 104, the hydraulic rod 102 is shortened to enable the clamping jaw 103 to be opened to a maximum angle, then the stone is clamped, when a smaller stone is required to be clamped, the clamp motor 104 and the hydraulic rod 102 are operated in the same way to enable the rotating arm 101 and the clamping jaw 103 to be narrowed to clamp the stone, the clamp assembly 10 not only can clamp the stone, but also can enable the device to be vertically placed on the stone when the stone is larger than the clamping range of the clamp assembly 10, and the rotating arm 101 and the clamping jaw 103 are opened to a maximum angle state through the rotation of the clamp motor 104, so that the clamp assembly 10 is supported on the stone, and displacement can be avoided when the stone is crushed.

After the stone is clamped, the stone can be crushed, and the embodiment provides a mechanical structure for crushing the stone, namely, the hammer assembly 11 further comprises a drill bit base 8 and a drill bit 9, wherein the drill bit base 8 comprises a big column section and a small column section, the big column section and the small column section are fixedly connected, the drill bit base 8 is arranged in the shell 1 and is in sliding fit with the inner wall of the shell 1, the bottom of the big column section is abutted with the bottom of the inner wall of the shell 1, and the small column section is detachably connected with the drill bit 9;

the drill bit base 8 is arranged in the shell 1 and is connected with the inner wall of the shell 1 in a sliding manner, so that the drill bit base 8 can slide up and down in the shell 1, in order to prevent the drill bit base 8 from falling out in the shell 1, the drill bit base 8 comprises a big column section and a small column section, the big column section and the small column section are fixedly connected, the bottom of the big column section is abutted with the bottom of the inner wall of the shell 1, the bottom of the small column section is detachably connected with the drill bit 9, when the drill bit 9 is worn or the drill bit 9 is worn down after long-time use, the contact area between the worn or worn down drill bit 9 and a stone is increased, the breaking effect of the stone is poor or the stone cannot be broken, and therefore the detachable connection of the drill bit 9 can be changed under the condition that the drill bit 9 is worn or worn down, so that a better working state is realized.

In the above embodiment, the crushing action of the rock by the drill bit 9 and the drill bit base 8 is provided, and a driving device for the drill bit 9 and the drill bit base 8 is also required to be provided, so in the present embodiment, the hammer assembly 11 further comprises a spring 7, a hammer 4, a cam 3 and a cam motor 2, the hammer 4 comprises a hammer cap and a hammer rod, the hammer cap and the hammer rod are fixedly connected, the bottom of the spring 7 is abutted with the top of the drill bit base 8, the bottom of the hammer cap is abutted with the top of the spring 7 and the impact rod is located in the hollow of the spring 7, the cam motor 2 is fixed on the inner wall of the shell 1, the cam 3 is connected with the driving shaft of the cam motor 2, and the rim of the cam 3 is abutted with the top of the hammer cap;

when the device is used for crushing stones, in order to enable the drill bit 9 to accurately crush the places on the stones to be crushed, the drill bit 9 needs to be pressed against the stones firstly, acting force is applied to the stones, the drill bit base 8 is slightly lifted, the spring 7 at the top of the drill bit base 8 is compressed, the distance between the drill bit base 8 and the bottom of the hammer rod positioned at the hollow part of the spring 7 is reduced, then the cam 3 is rotated by starting the cam motor 2, and the long shaft section and the short shaft section are divided into the long shaft section and the short shaft section because the cam 3 is not circular, when the long shaft section of the cam 3 is abutted against the hammer cap, the hammer cap moves downwards against the elastic force of the spring 7, so that the hammer rod below the hammer cap impacts the top of the drill bit base 8, the impact force on the stones is generated by the drill bit 9, and the stones are crushed by the impact force of the drill bit 9; when the short shaft section of the cam 3 is abutted against the hammer cap, the hammer cap is lifted upwards by the elastic force of the spring 7, and the process is repeatedly operated through the rotation of the cam 3 until the stone is broken;

the utility model has higher working efficiency and better realization effect because the cam 3 structure is used for applying the acting force to the drill bit 9, the gravity center of the stone breaking device is reduced, and the cam 3 structure is not suitable for large machinery, so the structure can be applied to the small-sized stone breaking device to realize better effect.

Because in the above embodiment, the rim of the cam 3 abuts against the top of the hammer cap, when the cam 3 rotates, a larger friction force is generated between the rim of the cam 3 and the sliding of the top of the hammer cap, so that the cam 3 does not rotate smoothly enough, and the situation that the cam 3 is clamped easily occurs, therefore, in one embodiment, the hammer cap further comprises a pulley 5, the pulley 5 is rotationally connected to the top of the hammer cap and abuts against the rim of the cam 3, the pulley 5 is rotationally connected with the top of the hammer cap by arranging the pulley 5 on the top of the hammer cap, the pulley 5 is abutted against the rim of the cam 3, the pulley 5 can rotate along with the rotation of the cam 3 when the cam 3 rotates, the pressing force from the cam 3 is provided for the hammer cap, the rotation of the cam 3 is smoother, the failure rate is not clamped, the working efficiency of the equipment is improved, and the use cost and the maintenance cost are reduced.

Because the spring 7 provides elastic force for the impact hammer 4, the impact hammer 4 can reset after impacting the drill bit base 8, however, the elastic force of the spring 7 can enable the top of the impact hammer 4 to be always abutted against the cam 3, so that the cam 3 is always in a stressed state, in order to reduce the stressed time of the cam 3, in an embodiment, the impact hammer further comprises a limiting post 6, the limiting post 6 is arranged on the inner wall of the shell 1, the bottom of the limiting post 6 is abutted against the top of the hammer cap, when the long-axis section of the cam 3 applies pressure to the impact hammer 4, the impact hammer 4 slides downwards, when the impact hammer enters the short-axis section of the cam 3 after passing through the long-axis section of the cam 3, the impact hammer 4 slides upwards, and is blocked by the limiting post 6 when the impact hammer 4 slides to the position of the limiting post 6, so that the impact hammer cannot slide upwards any more, and is not contacted with the cam 3, so that the acting force of the impact hammer 4 is not stressed by the cam 3, the stressed time of the cam 3 can be prolonged, the deformation generated after the cam 3 and the cam motor 2 are stressed for a long time can be reduced, if the deformation generated after the cam 3 and the cam motor 2 are stressed for a long time is shortened, the stroke of the impact hammer 9 cannot normally be reduced, and the working force of the drill bit is not normally.

The present utility model is not limited to the above embodiments, but is capable of modification and variation in detail, and other modifications and variations can be made by those skilled in the art without departing from the scope of the present utility model.

Claims

1. The utility model provides a rubble device for mining machinery, its characterized in that includes casing, anchor clamps subassembly and hammer subassembly, hammer subassembly and shells inner wall slip laminating, anchor clamps subassembly rotates and connects on the casing, anchor clamps subassembly is used for as the fixed fulcrum of the fixed one end of casing and stone, anchor clamps subassembly still includes anchor clamps motor, rotor arm, clamping jaw and hydraulic stem, the anchor clamps motor is fixed in the casing side, the rotor arm is connected with the anchor clamps motor drive shaft, hydraulic stem one end rotates and connects on the casing, rotor arm and hydraulic stem are all connected for rotating with the clamping jaw, the rotor arm is parallel with the hydraulic stem, the axis of rotor arm and the axis of rotation of hydraulic stem on the clamping jaw is non-collineation.

2. The mining machine lithotripter according to claim 1, wherein the hammer assembly further comprises a drill bit base and a drill bit, the drill bit base comprises a large column section and a small column section, the large column section and the small column section are fixedly connected, the drill bit base is arranged in the shell and is in sliding fit with the inner wall of the shell, the bottom of the large column section is in abutting connection with the bottom of the inner wall of the shell, and the small column section and the drill bit are detachably connected.

3. The stone crusher for mining machinery according to claim 2, wherein the hammer assembly further comprises a spring, a hammer, a cam and a cam motor, the hammer comprises a hammer cap and a hammer rod, the hammer cap and the hammer rod are fixedly connected, the bottom of the spring is abutted against the top of the drill bit base, the bottom of the hammer cap is abutted against the top of the spring and the striking rod is located in the hollow of the spring, the cam motor is fixed on the inner wall of the housing, the cam is connected with a driving shaft of the cam motor, and the cam rim is abutted against the top of the cap.

4. A mining machine lithotripter according to claim 3, wherein the hammer cap further comprises a pulley rotatably connected to the top of the hammer cap and abutting the cam rim.

5. The mining machine lithotripter of claim 1, further comprising a limit post disposed on the inner wall of the housing, the bottom of the limit post abutting the top of the hammer cap.