Stone crushing device for mining engineering

Abstract

The utility model relates to the technical field of mining stone crushing, and discloses a mining engineering stone crushing device which comprises a fixing table, a crushing box is fixedly installed at the top of the fixing table, a crushing mechanism is arranged in the crushing box, a dust falling mechanism is arranged in the crushing box, and a feeding port is fixedly installed at the top of the crushing box. A conveying belt body is arranged in the crushing box, an inclined table is fixedly installed in the crushing box, the crushing mechanism comprises a pre-crushing assembly and a secondary crushing assembly, and the secondary crushing assembly is arranged on the right side of the pre-crushing assembly. The first crushing roller and the second crushing roller rotate oppositely, then stones are crushed, after large stones are crushed into small stones, the small stones slide down through the inclined table and slide to the bottom of the crushing hammer, the stones which do not meet the crushing requirement are subjected to secondary crushing operation through downward pressing of the crushing hammer, the stones are crushed more thoroughly, and the crushing efficiency is improved. And the crushing operation can be completed by only one power source, so that energy is saved.

Description

Technical Field

[0001] The utility model relates to the technical field of mining stone crushing, in particular to a mining engineering stone crushing device. Background Art

[0002] At present, in the modern mining industry, it is necessary to crush stones frequently. Especially in solid minerals, crushing of mineral-bearing rocks or surrounding rocks is a necessary process. Moreover, in the process of rock crushing, it is not disorderly and blindly crushed. Rocks need to be crushed to a certain extent according to certain requirements.

[0003] According to the description of a stone crushing device for mining engineering disclosed on the patent website (authorization announcement number: CN217164573U), "The utility model discloses a stone crushing device for mining engineering, including a crushing box, a feed port, an active crushing roller and a driven crushing roller. The center of the top of the crushing box is provided with a feed port, an active crushing roller is provided inside the crushing box, and both ends of the active crushing roller extend out of the crushing box. A driven crushing roller is provided inside the crushing box. A motor fixing seat is installed on one side of the crushing box, and a driving motor is installed on the motor fixing seat, and the rotating end of the driving motor is fixedly connected to one end of the active crushing roller. The beneficial effect of the utility model is that the ore is crushed by the crushing screw teeth on the active crushing roller and the driven crushing roller, the crushing effect is good, the crushing efficiency is improved, the ore can be screened while crushing, time and labor are saved, and work efficiency is improved. The ore is squeezed and crushed by squeezing the crushing plate and the fixed crushing plate, so that the ore can be fully crushed and the crushing effect is improved."

[0004] In view of the above description, the applicant believes that there are the following problems:

[0005] During use, the utility model drives the extrusion crushing plate to move toward the fixed crushing plate through the hydraulic oil cylinder, and the ore is squeezed and crushed by the extrusion crushing plate and the fixed crushing plate. However, in actual use, when the hydraulic oil cylinder is used to drive the extrusion crushing plate to move, if a stone falls into the back of the extrusion crushing plate, the stone cannot be effectively crushed, and the stone may even accumulate on the back of the extrusion crushing plate, causing damage to the device. Therefore, it is necessary to improve a mining engineering stone crushing device to solve the above problem. Utility Model Content

[0006] The purpose of the utility model is to provide a mining engineering stone crushing device to solve the problems raised in the above background technology.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a mining engineering stone crushing device, comprising a fixed platform, a crushing box is fixedly installed on the top of the fixed platform, a crushing mechanism is arranged inside the crushing box, a dust reduction mechanism is arranged inside the crushing box, a feed port is fixedly installed on the top of the crushing box, a conveyor belt body is arranged inside the crushing box, and an inclined platform is fixedly installed inside the crushing box;

[0008] The crushing mechanism comprises a pre-crushing assembly and a secondary crushing assembly, and the secondary crushing assembly is arranged on the right side of the pre-crushing assembly.

[0009] Preferably, the pre-crushing assembly includes a motor, the motor is fixedly mounted on the front side of the crushing box, a crushing roller 1 is fixedly mounted on the output end of the motor, a gear 1 is fixedly mounted on the end of the crushing roller 1 away from the motor, a crushing roller 2 is rotatably mounted inside the crushing box, a gear 2 is fixedly mounted on the back of the crushing roller 2, a pulley 1 is fixedly mounted on the front side of the crushing roller 2, a belt is installed for transmission on the outer side of the pulley 1, and a pulley 2 is installed for transmission on the end of the belt away from the pulley 1, so that the crushing roller 1 and the crushing roller 2 rotate in opposite directions, thereby crushing the stones, and crushing large stones into small stones.

[0010] Preferably, the gear 1 is meshed with the gear 2, through holes are provided at corresponding positions of the crushing box and the crushing roller 1 and the crushing roller 2, and the crushing roller 1 and the crushing roller 2 are fixedly installed with the gear 1 and the gear 2 respectively to crush the stones.

[0011] Preferably, the secondary crushing assembly includes a rotating rod, the rotating rod is fixedly mounted on the back of the second pulley, a cam is fixedly mounted on the end of the rotating rod away from the second pulley, a connecting rod is rotatably mounted on the back of the cam, a sliding frame is rotatably mounted on the end of the connecting rod away from the cam, a lower pressure frame is fixedly mounted on the front of the sliding frame, and a breaker hammer is fixedly mounted on the bottom of the lower pressure frame. The breaker hammer presses down to perform secondary crushing operations on stones that do not meet the crushing requirements, so that the stones are crushed more thoroughly, and only one power source is needed to complete the crushing operation, saving energy.

[0012] Preferably, a slide groove is opened at the corresponding position of the crushing box and the sliding frame, and the sliding frame is slidably installed inside the slide groove, the lower pressure frame is slidably installed inside the crushing box, a through hole is opened at the corresponding position of the crushing box and the rotating rod, and the rotating rod passes through the through hole and is fixedly installed with the second pulley, and the stones that do not meet the crushing requirements are pressed down by the breaker hammer for secondary crushing.

[0013] Preferably, the dust reduction mechanism includes a water tank, the water tank is fixedly mounted on the top of the fixed platform, a water pump is fixedly mounted on the top of the water tank, a water suction pipe is fixedly mounted on the back of the water pump, a water outlet pipe is fixedly mounted on the front of the water pump, a water spray box is fixedly mounted on one end of the water outlet pipe water pump, a nozzle is fixedly mounted on the right side of the water spray box, which can spray and absorb dust in the crushing box while crushing, thereby playing the role of dust removal and preventing the dust generated by the crushing from causing harm to the environment and human body.

[0014] Preferably, the end of the water suction pipe away from the water pump is fixedly installed on the water tank, the water spray box is fixedly installed on the inner side of the top of the crushing box, through holes are opened at positions corresponding to the crushing box and the water outlet pipe, and the water outlet pipe passes through the through hole and is fixedly installed on the water spray box to perform dust reduction operations inside the crushing box.

[0015] Compared with the prior art, the utility model provides a mining engineering stone crushing device, which has the following beneficial effects:

[0016] 1. The mining engineering stone crushing device, through the crushing mechanism, during use, makes the crushing roller 1 and the crushing roller 2 rotate in opposite directions, so as to crush the stones. After the large stones are crushed into small stones, they slide down through the inclined platform and slide to the bottom of the breaker hammer. The breaker hammer presses down to perform secondary crushing operation on the stones that do not meet the crushing requirements, so that the stones are crushed more thoroughly, and only one power source is needed to complete the crushing operation, saving energy.

[0017] 2. The mining engineering stone crushing device, through the dust reduction mechanism, can perform dust reduction operations inside the crushing box during use. It can spray and absorb dust inside the crushing box while crushing, thus playing a dust removal function and preventing the dust generated by crushing from causing harm to the environment and human body. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative labor:

[0019] Figure 1 This is a schematic diagram of the appearance structure of the utility model;

[0020] Figure 2 This is a schematic diagram of the appearance structure of the crushing mechanism of the utility model;

[0021] Figure 3 This is a schematic diagram of the appearance structure of the pre-crushing component of the utility model;

[0022] Figure 4 This is a schematic diagram of the appearance structure of the secondary crushing component of the utility model;

[0023] Figure 5 This is a schematic diagram of the appearance structure of the dust reduction mechanism of the utility model.

[0024] In the figure: 1. fixed table; 2. crushing mechanism; 21. pre-crushing assembly; 211. motor; 212. crushing roller one; 213. gear one; 214. gear two; 215. crushing roller two; 216. pulley one; 217. belt; 218. pulley two; 22. secondary crushing assembly; 221. rotating rod; 222. cam; 223. connecting rod; 224. sliding frame; 225. lower pressure frame; 226. crushing hammer; 3. dust suppression mechanism; 31. water tank; 32. water pump; 33. water suction pipe; 34. water outlet pipe; 35. water spray box; 36. nozzle; 4. crushing box; 5. conveyor belt body; 6. feed port; 7. inclined table. DETAILED DESCRIPTION

[0025] 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.

[0026] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0027] Embodiment 1:

[0028] See also Figure 1-4 The utility model provides a technical solution: a mining engineering stone crushing device, comprising a fixed platform 1, a crushing box 4 is fixedly installed on the top of the fixed platform 1, a crushing mechanism 2 is arranged inside the crushing box 4, a dust reduction mechanism 3 is arranged inside the crushing box 4, a feed port 6 is fixedly installed on the top of the crushing box 4, a conveyor belt body 5 is arranged inside the crushing box 4, and an inclined platform 7 is fixedly installed inside the crushing box 4;

[0029] The crushing mechanism 2 includes a pre-crushing assembly 21 and a secondary crushing assembly 22 . The secondary crushing assembly 22 is arranged on the right side of the pre-crushing assembly 21 .

[0030] Furthermore, the pre-crushing component 21 includes a motor 211, which is fixedly installed on the front side of the crushing box 4. A crushing roller 212 is fixedly installed on the output end of the motor 211, and a gear 213 is fixedly installed on the end of the crushing roller 212 away from the motor 211. A crushing roller 215 is rotatably installed inside the crushing box 4, and a gear 214 is fixedly installed on the back of the crushing roller 215. A pulley 216 is fixedly installed on the front side of the crushing roller 215, and a belt 217 is installed on the outer side of the pulley 216 for transmission, and a pulley 218 is installed on the end of the belt 217 away from the pulley 216 for transmission, so that the crushing roller 212 and the crushing roller 215 rotate in opposite directions, thereby crushing the stones and crushing large stones into small stones.

[0031] Furthermore, gear one 213 is meshed with gear two 214, through holes are provided at corresponding positions of the crushing box 4 and crushing roller one 212 and crushing roller two 215, and crushing roller one 212 and crushing roller two 215 are fixedly installed with gear one 213 and gear two 214 respectively to crush the stones.

[0032] Furthermore, the secondary crushing assembly 22 includes a rotating rod 221, which is fixedly mounted on the back of the second pulley 218. A cam 222 is fixedly mounted on the end of the rotating rod 221 away from the second pulley 218. A connecting rod 223 is rotatably mounted on the back of the cam 222. A sliding frame 224 is rotatably mounted on the end of the connecting rod 223 away from the cam 222. A lower pressure frame 225 is fixedly mounted on the front of the sliding frame 224. A breaker hammer 226 is fixedly mounted on the bottom of the lower pressure frame 225. The breaker hammer 226 is pressed down to perform a secondary crushing operation on the stones that do not meet the crushing requirements, so that the stones are crushed more thoroughly, and only one power source is needed to complete the crushing operation, saving energy.

[0033] Furthermore, a slide groove is opened at the corresponding position of the crushing box 4 and the sliding frame 224, and the sliding frame 224 is slidably installed inside the slide groove, the lower pressure frame 225 is slidably installed inside the crushing box 4, a through hole is opened at the corresponding position of the crushing box 4 and the rotating rod 221, and the rotating rod 221 is fixedly installed with the leather wheel 218 through the through hole, and the breaker hammer 226 is pressed down to perform secondary crushing operation on the stones that do not meet the crushing requirements.

[0034] Embodiment two:

[0035] See also Figure 5In combination with the first embodiment, it is further obtained that the dust reduction mechanism 3 includes a water tank 31, the water tank 31 is fixedly installed on the top of the fixed platform 1, a water pump 32 is fixedly installed on the top of the water tank 31, a water suction pipe 33 is fixedly installed on the back of the water pump 32, a water outlet pipe 34 is fixedly installed on the front of the water pump 32, a water spray box 35 is fixedly installed at one end of the water outlet pipe 34 and the water pump 32, a nozzle 36 is fixedly installed on the right side of the water spray box 35, which can spray and absorb dust in the crushing box 4 while crushing, thereby playing the function of dust removal and preventing the dust generated by the crushing from causing harm to the environment and human body.

[0036] Furthermore, one end of the water suction pipe 33 away from the water pump 32 is fixedly installed on the water tank 31, and the water spray box 35 is fixedly installed on the inner side of the top of the crushing box 4. A through hole is opened at the corresponding position of the crushing box 4 and the water outlet pipe 34, and the water outlet pipe 34 passes through the through hole and is fixedly installed on the water spray box 35 to perform dust reduction operations on the inside of the crushing box 4.

[0037] In actual operation, when the device is used, the stones to be crushed are placed inside the crushing box 4 through the feed port 6, and the motor 211 is started. The output end of the motor 211 drives the crushing roller 1 212 to rotate, and the crushing roller 1 212 rotates to drive the gear 1 213 to rotate, and the gear 1 213 rotates to drive the gear 2 214 meshing therewith to rotate, and the gear 2 214 rotates to drive the crushing roller 2 215 to rotate, and the crushing roller 215 rotates to drive the pulley 1 216 to rotate, and the pulley 1 216 rotates to drive the pulley 2 218 to rotate through the belt 217, and the pulley 2 218 rotates to drive the rotating rod 221 to rotate, thereby rotating the cam 222, and the cam 222 rotates to rotate the connecting rod 223, and then The connecting rod 223 pushes the sliding frame 224 to slide inside the slide groove, and the lower pressure frame 225 pushes the crushing hammer 226 to perform a secondary crushing operation on the stone, so that the crushing roller 1 212 and the crushing roller 2 215 rotate in opposite directions, and then the stone is crushed. After the large stone is crushed into small stones, it slides down through the inclined platform 7 and slides to the bottom of the crushing hammer 226. The crushing hammer 226 presses down to perform a secondary crushing operation on the stones that do not meet the crushing requirements, and the water pump 32 is started. The water pump 32 draws out the water inside the water tank 31, and sends it into the water spray box 35 through the water outlet pipe 34, and is sprayed by the nozzle 36 to perform dust reduction operation on the inside of the crushing box 4. The dust can be sprayed in the crushing box 4 while crushing.

[0038] 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. In the absence of further restrictions, the elements defined by the statement "comprise a ..." do not exclude the presence of other identical elements in the process, method, article or device including the elements.

Claims

1. A stone crushing device for mining engineering, comprising a fixed platform (1), characterized in that: A crushing box (4) is fixedly installed on the top of the fixed platform (1), a crushing mechanism (2) is arranged inside the crushing box (4), a dust reduction mechanism (3) is arranged inside the crushing box (4), a feed port (6) is fixedly installed on the top of the crushing box (4), a conveyor belt body (5) is arranged inside the crushing box (4), and an inclined platform (7) is fixedly installed inside the crushing box (4); The crushing mechanism (2) comprises a pre-crushing assembly (21) and a secondary crushing assembly (22), wherein the secondary crushing assembly (22) is arranged on the right side of the pre-crushing assembly (21).

2. A mining engineering stone crushing device according to claim 1, characterized in that: The pre-crushing assembly (21) comprises a motor (211), the motor (211) being fixedly mounted on the front of a crushing box (4), a crushing roller (212) being fixedly mounted on the output end of the motor (211), a gear (213) being fixedly mounted on the end of the crushing roller (212) away from the motor (211), a crushing roller (215) being rotatably mounted inside the crushing box (4), a gear (214) being fixedly mounted on the back of the crushing roller (215), a leather wheel (216) being fixedly mounted on the front of the crushing roller (215), a belt (217) being mounted on the outer side of the leather wheel (216), and a leather wheel (218) being mounted on the end of the belt (217) away from the leather wheel (216).

3. A mining engineering stone crushing device according to claim 2, characterized in that: The gear 1 (213) is meshed with the gear 2 (214), the crushing box (4) and the crushing roller 1 (212) and the crushing roller 2 (215) are provided with through holes at corresponding positions, and the crushing roller 1 (212) and the crushing roller 2 (215) are fixedly mounted on the gear 1 (213) and the gear 2 (214) respectively.

4. A mining engineering stone crushing device according to claim 2, characterized in that: The secondary crushing assembly (22) includes a rotating rod (221), the rotating rod (221) is fixedly mounted on the back of the second pulley (218), a cam (222) is fixedly mounted on the end of the rotating rod (221) away from the second pulley (218), a connecting rod (223) is rotatably mounted on the back of the cam (222), a sliding frame (224) is rotatably mounted on the end of the connecting rod (223) away from the cam (222), a lower pressure frame (225) is fixedly mounted on the front of the sliding frame (224), and a crushing hammer (226) is fixedly mounted on the bottom of the lower pressure frame (225).

5. A mining engineering stone crushing device according to claim 4, characterized in that: A slide groove is provided at the corresponding position between the crushing box (4) and the sliding frame (224), and the sliding frame (224) is slidably installed inside the slide groove, and the lower pressure frame (225) is slidably installed inside the crushing box (4). A through hole is provided at the corresponding position between the crushing box (4) and the rotating rod (221), and the rotating rod (221) passes through the through hole and is fixedly installed with the second pulley (218).

6. A mining engineering stone crushing device according to claim 1, characterized in that: The dust suppression mechanism (3) comprises a water tank (31), the water tank (31) is fixedly mounted on the top of the fixed platform (1), a water pump (32) is fixedly mounted on the top of the water tank (31), a water suction pipe (33) is fixedly mounted on the back of the water pump (32), a water outlet pipe (34) is fixedly mounted on the front of the water pump (32), a water spray box (35) is fixedly mounted on one end of the water outlet pipe (34) and the water pump (32), and a spray head (36) is fixedly mounted on the right side of the water spray box (35).

7. A mining engineering stone crushing device according to claim 6, characterized in that: One end of the water pump (33) away from the water pump (32) is fixedly mounted on the water tank (31), and the water spray box (35) is fixedly mounted on the inner side of the top of the crushing box (4). Through holes are provided at positions corresponding to the crushing box (4) and the water outlet pipe (34), and the water outlet pipe (34) passes through the through hole and is fixedly mounted on the water spray box (35).

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