CN220634491U - Two-stage sample crusher for coal car sampling - Google Patents

Abstract

The utility model discloses a two-stage sample crusher for coal car sampling, which comprises: the crushing box and install in the inside first broken mechanism and the second broken mechanism of crushing box, first broken chamber and the broken chamber of second have been seted up respectively to the inside of crushing box, equal angular distribution has broken muscle on the inner wall in first broken chamber and the broken chamber of second, be provided with first broken mechanism and second broken mechanism respectively in first broken chamber and the broken chamber of second. This fortune coal car sampling uses doublestage sample breaker, twists and adjusts the pole and rotate, adjusts the pole and can drive the actuating lever through first conical gear and second conical gear and rotate, and the actuating lever then can promote the quartering hammer through the screw thread and carry out flexible regulation in accomodating the inslot for the interval between the broken muscle on the broken hammer on the broken dish and the first broken intracavity wall can be adjusted according to the volume of coal sample, can promote the broken moisture adaptability of coal sample simultaneously, when avoiding getting the coal wet, the breaker can't normally work.

Description

Two-stage sample crusher for coal car sampling

Technical Field

The utility model relates to the technical field of crushers, in particular to a two-stage sample crusher for coal car sampling.

Background

The coal transporting vehicle sampling means that an auger bit is inserted into a coal pile in a carriage of the coal transporting vehicle for sampling, the coal sample is stored in a sample hopper after rising to the top of the auger, after reaching a designated depth, the auger bit is lifted, the next sampling point is selected, and the sample is stored in the sample hopper. When the coal sample of same carriage is adopted and is finished, sampling device returns to the position of unloading, opens the sample door, and the sample is unloaded on the primary belt feeder, and primary belt feeder is equipped with the control flashboard and sends the sample into the breaker evenly and carry out the breakage.

At present, a primary crushing device for coal mechanized sample preparation is provided with a single-hammer crusher and a vertical composite crusher, the yield of the single-hammer crusher is low, the screen structure of the single-hammer crusher can cause easy coal blockage of the crusher, the water adaptability is low, and when the incoming coal is wet, the crusher cannot work normally; the vertical composite crusher has no screen, has high water adaptability, is heavy, and is not suitable for the working condition with high coal yield requirement.

Aiming at the problems, the novel crushing device is innovatively designed on the basis of the original crushing device.

Disclosure of Invention

The utility model aims to provide a two-stage sample crusher for coal car sampling, which solves at least one technical problem in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the coal car sampling uses doublestage sample breaker, includes: the crushing device comprises a crushing box, a first crushing mechanism and a second crushing mechanism, wherein the first crushing mechanism and the second crushing mechanism are arranged in the crushing box, a first crushing cavity and a second crushing cavity are respectively formed in the crushing box, crushing ribs are uniformly distributed on the inner walls of the first crushing cavity and the second crushing cavity at equal angles, and the first crushing mechanism and the second crushing mechanism are respectively arranged in the first crushing cavity and the second crushing cavity;

the first crushing mechanism comprises a crushing disc, an adjusting rod is rotatably arranged on the crushing disc, a first conical gear is fixed at one end of the adjusting rod, which is positioned in the crushing disc, a second conical gear is connected to the outer side of the first conical gear, a driving rod is fixed on the second conical gear, a storage groove is formed in the edge of the crushing disc, a breaking hammer is arranged in the storage groove, and the breaking hammer is in threaded connection with the driving rod;

the second crushing mechanism comprises a main crushing roller and an auxiliary crushing roller, the main crushing roller is fixed on the inner wall of the second crushing cavity, the auxiliary crushing roller is located on the outer side of the main crushing roller, crushing ribs are arranged on the surfaces of the main crushing roller and the auxiliary crushing roller, a first gear disc is further fixed on the main crushing roller, a third transverse shaft is fixed on the auxiliary crushing roller, a second gear disc is fixed on the surface of the third transverse shaft, and the second gear disc is located on the outer side of the first gear disc and is in meshed connection with the first gear disc.

Preferably, an observation window is arranged on the first crushing cavity, and the adjusting rod is rotationally connected with the observation window through a sealing bearing.

Preferably, the driving rod is rotationally connected with the crushing disc, and the crushing hammer outside the driving rod forms a telescopic structure with the crushing disc through the storage groove.

Preferably, the auxiliary crushing rollers are symmetrically distributed on the outer side of the main crushing roller, and the auxiliary crushing roller, the third transverse shaft and the second gear disc are fixedly connected.

Preferably, a driving mechanism is arranged between the first crushing mechanism and the second crushing mechanism, the driving mechanism comprises a servo motor arranged on the surface of the crushing box, a first driving shaft is fixed at the output end of the servo motor, and the first driving shaft penetrates through the crushing box and is fixedly connected with the crushing disc.

Preferably, the driving mechanism further comprises a first driving wheel and a second driving wheel, and the first driving wheel is fixed on the surface of the first driving shaft.

Preferably, a driving belt is arranged on the inner side of the first driving wheel, a second driving wheel is arranged at one end, far away from the first driving wheel, of the driving belt, a second transverse shaft is fixed on the second driving wheel, and the second transverse shaft is rotationally connected with the crushing box.

Preferably, a driving plate is mounted at one end of the second transverse shaft, and the third transverse shaft is rotatably mounted at two ends of the driving plate.

The two-stage sample crusher is used for sampling the coal car, and has the following beneficial effects:

1. the adjusting rod is screwed to rotate, the adjusting rod can drive the driving rod to rotate through the first conical gear and the second conical gear, and the driving rod can push the breaking hammer to stretch out and draw back in the accommodating groove through threads, so that the distance between the breaking hammer on the breaking disc and the breaking rib on the inner wall of the first breaking cavity can be adjusted according to the volume of a coal sample, meanwhile, the water adaptability of the coal sample breaking can be improved, and the phenomenon that the crusher cannot work normally when the coal is wet is avoided;

2. when the second cross shaft rotates, the second cross shaft can drive the driving plate to rotate, and the rotating driving plate can drive the auxiliary crushing roller to move around in a circular track on the outer side of the main crushing roller through the third cross shaft, meanwhile, the second gear plate can drive the auxiliary crushing roller to rotate automatically on the outer side of the first gear plate through the third cross shaft, so that the auxiliary crushing roller and the main crushing roller can be matched fully to crush a coal sample at a high speed, the crushing efficiency and the crushing thoroughness of the coal sample are improved, and coal blocking is avoided.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a front elevational view of the entire cross-section of the present utility model;

FIG. 2 is an overall side cross-sectional view of the present utility model;

FIG. 3 is a front cross-sectional view of a breaker plate of the utility model;

FIG. 4 is a view showing the connection of a first gear plate and a second gear plate according to the present utility model;

fig. 5 is a third transverse axis and drive plate mounting view of the present utility model.

[ Main reference numerals Specification ]

1. A crushing box; 11. a first crushing chamber; 12. a second crushing chamber; 13. crushing the ribs; 14. an observation window;

2. a crushing disc; 21. an adjusting rod; 22. a first bevel gear; 23. a second bevel gear; 24. a driving rod; 25. a storage groove; 26. a breaking hammer;

3. a servo motor; 31. a first drive shaft; 32. a first driving wheel; 33. a transmission belt; 34. a second driving wheel; 35. a second transverse axis; 36. a driving plate;

4. a main crushing roller; 41. an auxiliary crushing roller; 42. a first gear plate; 43. a third transverse axis; 44. and a second gear plate.

Detailed Description

The use of the dual stage sample breaker for coal car sampling of the present utility model is described in further detail below with reference to the accompanying drawings and embodiments of the present utility model.

It should be noted that, in the case of no conflict, the embodiments and features in the embodiments may be combined with each other. The utility model will be described in detail below with reference to the drawings in connection with embodiments.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.

It should be noted that the terms "first," "second," and the like in the description and claims of the present application and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that embodiments of the present application described herein may be capable of being practiced otherwise than as specifically illustrated and described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

Spatially relative terms, such as "above … …," "above … …," "upper surface at … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial location relative to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "above" or "over" other devices or structures would then be oriented "below" or "beneath" the other devices or structures. Thus, the exemplary term "above … …" may include both orientations of "above … …" and "below … …". The device may also be positioned in other different ways (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

Referring to fig. 1-5, the present utility model provides a technical solution: the coal car sampling uses doublestage sample breaker, includes: the crushing box 1 and a first crushing mechanism and a second crushing mechanism which are arranged in the crushing box 1, wherein a first crushing cavity 11 and a second crushing cavity 12 are respectively formed in the crushing box 1, crushing ribs 13 are uniformly distributed on the inner walls of the first crushing cavity 11 and the second crushing cavity 12 at equal angles, and the first crushing mechanism and the second crushing mechanism are respectively arranged in the first crushing cavity 11 and the second crushing cavity 12;

the first crushing mechanism comprises a crushing disc 2, an adjusting rod 21 is rotatably arranged on the crushing disc 2, a first conical gear 22 is fixed at one end of the adjusting rod 21 positioned in the crushing disc 2, a second conical gear 23 is connected to the outer side of the first conical gear 22, a driving rod 24 is fixed on the second conical gear 23, a storage groove 25 is formed in the edge of the crushing disc 2, a crushing hammer 26 is arranged in the storage groove 25, and the crushing hammer 26 is in threaded connection with the driving rod 24;

the second crushing mechanism comprises a main crushing roller 4 and an auxiliary crushing roller 41, the main crushing roller 4 is fixed on the inner wall of the second crushing cavity 12, the auxiliary crushing roller 41 is positioned on the outer side of the main crushing roller 4, crushing ribs 13 are arranged on the surfaces of the main crushing roller 4 and the auxiliary crushing roller 41, a first gear disc 42 is further fixed on the main crushing roller 4, a third transverse shaft 43 is fixed on the auxiliary crushing roller 41, a second gear disc 44 is fixed on the surface of the third transverse shaft 43, and the second gear disc 44 is positioned on the outer side of the first gear disc 42 and is in meshed connection with the first gear disc 42.

The observation window 14 is installed on the first crushing cavity 11 in this example, and the regulation pole 21 is connected with the rotation of observation window 14 through sealed bearing, and the convenience is when broken dish 2 rotates, and broken dish 2 this moment can drive regulation pole 21 and carry out synchronous rotation, also can twist in the outside of observation window 14 and adjust pole 21 and rotate on broken dish 2.

In this case, the driving rod 24 is rotationally connected with the crushing disc 2, the crushing hammer 26 outside the driving rod 24 forms a telescopic structure with the crushing disc 2 through the accommodating groove 25, and when the driving rod 24 rotates on the crushing disc 2, the driving rod 24 can push the crushing hammer 26 to stretch and retract in the accommodating groove 25 through threads, so that the distance between the crushing hammer 26 and the crushing ribs 13 on the inner wall of the first crushing cavity 11 can be conveniently adjusted.

The auxiliary crushing roller 41 in this example is symmetrically distributed outside the main crushing roller 4, the auxiliary crushing roller 41, the third transverse shaft 43 and the second gear disc 44 are fixedly connected, and when the second gear disc 44 rotates, the rotating second gear disc 44 can drive the auxiliary crushing roller 41 to synchronously rotate through the third transverse shaft 43.

Be provided with actuating mechanism between first broken mechanism and the second broken mechanism in this example, actuating mechanism is including installing in the servo motor 3 on broken case 1 surface, and servo motor 3's output is fixed with first drive shaft 31, and broken case 1 and broken dish 2 fixed connection are passed to first drive shaft 31, make things convenient for servo motor 3 to drive broken dish 2 through first drive shaft 31 and carry out synchronous rotary motion to be favorable to broken dish 2 to carrying out crushing processing to the coal sample in the first broken chamber 11.

The driving mechanism in this example further includes a first driving wheel 32 and a second driving wheel 34, the first driving wheel 32 is fixed on the surface of the first driving shaft 31, a driving belt 33 is disposed on the inner side of the first driving wheel 32, a second driving wheel 34 is disposed on one end of the driving belt 33 far away from the first driving wheel 32, a second transverse shaft 35 is fixed on the second driving wheel 34, the second transverse shaft 35 is rotationally connected with the crushing box 1, when the first driving shaft 31 rotates, the first driving shaft 31 can drive the first driving wheel 32 to rotate at this time, and the rotating first driving wheel 32 can drive the second driving wheel 34 to synchronously rotate through the driving belt 33, so that the second driving wheel 34 is beneficial to driving the second transverse shaft 35 to synchronously rotate.

In this example, a driving plate 36 is mounted at one end of the second transverse shaft 35, and a third transverse shaft 43 is rotatably mounted at two ends of the driving plate 36, where when the second transverse shaft 35 drives the driving plate 36 to rotate, the driving plate 36 drives the third transverse shaft 43 to perform a circular rotation motion outside the main crushing roller 4.

Working principle: according to the fig. 1-3, firstly, according to the volume of the coal sample and the humidity, the distance between the breaking hammer 26 and the breaking ribs 13 on the inner wall of the first breaking cavity 11 is adjusted, the adjusting rod 21 is screwed to rotate, the rotating adjusting rod 21 drives the first conical gear 22 to rotate, the rotating first conical gear 22 drives the second conical gear 23 to synchronously rotate, the second conical gear 23 drives the driving rod 24 to rotate, and the driving rod 24 pushes the breaking hammer 26 to stretch and retract in the accommodating groove 25 through threads until the distance between the breaking hammer 26 and the breaking ribs 13 on the inner wall of the first breaking cavity 11 is adjusted to a proper position;

after the breaking hammer 26 finishes adjustment, putting a coal sample into the hopper, wherein the coal sample falls into the first breaking cavity 11, then starting the servo motor 3, and driving the breaking disc 2 to rotate by the servo motor 3 through the first driving shaft 31, and driving the breaking hammer 26 to synchronously rotate by the breaking disc 2, wherein the breaking hammer 26 is matched with the breaking ribs 13 on the inner wall of the first breaking cavity 11 to carry out first breaking treatment on the coal sample in the first breaking cavity 11;

the coal sample after the first crushing treatment falls into the second crushing cavity 12, when the servo motor 3 drives the first driving shaft 31 to rotate, the first driving shaft 31 at this time drives the second transverse shaft 35 to rotate through the first driving wheel 32, the driving belt 33 and the second driving wheel 34, the second transverse shaft 35 which rotates at this time drives the driving plate 36 to rotate, the driving plate 36 at this time drives the third transverse shaft 43 to perform circular track encircling motion on the outer side of the first gear disc 42, the third transverse shaft 43 drives the auxiliary crushing roller 41 to perform circular track encircling motion on the outer side of the main crushing roller 4, and meanwhile, the second gear disc 44 on the third transverse shaft 43 drives the third transverse shaft 43 to perform autorotation motion under the action of the first gear disc 42, so that the third transverse shaft 43 which rotates drives the auxiliary crushing roller 41 to perform autorotation motion around the main crushing roller 4, the thoroughness of crushing the coal sample in the second crushing cavity 12 can be improved, and the crushing efficiency of the coal sample can also be improved.

The foregoing description is only of the preferred embodiments of the present utility model, and is not intended to limit the scope of the present utility model.

Claims (8)

1. The coal car sampling uses doublestage sample breaker, its characterized in that includes: the crushing device comprises a crushing box (1) and a first crushing mechanism and a second crushing mechanism which are arranged in the crushing box (1), wherein a first crushing cavity (11) and a second crushing cavity (12) are respectively formed in the crushing box (1), crushing ribs (13) are uniformly distributed on the inner walls of the first crushing cavity (11) and the second crushing cavity (12) at an angle, and the first crushing mechanism and the second crushing mechanism are respectively arranged in the first crushing cavity (11) and the second crushing cavity (12);

the first crushing mechanism comprises a crushing disc (2), an adjusting rod (21) is rotatably arranged on the crushing disc (2), a first conical gear (22) is fixed at one end of the adjusting rod (21) positioned in the crushing disc (2), a second conical gear (23) is connected to the outer side of the first conical gear (22), a driving rod (24) is fixed on the second conical gear (23), a storage groove (25) is formed in the edge of the crushing disc (2), a crushing hammer (26) is arranged in the storage groove (25), and the crushing hammer (26) is in threaded connection with the driving rod (24);

the second crushing mechanism comprises a main crushing roller (4) and an auxiliary crushing roller (41), the main crushing roller (4) is fixed on the inner wall of the second crushing cavity (12), the auxiliary crushing roller (41) is located on the outer side of the main crushing roller (4), crushing ribs (13) are arranged on the surfaces of the main crushing roller (4) and the auxiliary crushing roller (41), a first gear disc (42) is further fixed on the main crushing roller (4), a third transverse shaft (43) is fixed on the auxiliary crushing roller (41), a second gear disc (44) is fixed on the surface of the third transverse shaft (43), and the second gear disc (44) is located on the outer side of the first gear disc (42) and connected with the first gear disc in a meshed mode.

2. The coal car sampling use double-stage sample crusher according to claim 1, wherein an observation window (14) is installed on the first crushing cavity (11), and the adjusting rod (21) is rotatably connected with the observation window (14) through a sealing bearing.

3. The coal car sampling two-stage sample crusher according to claim 1, wherein the driving rod (24) is rotatably connected with the crushing disc (2), and the crushing hammer (26) on the outer side of the driving rod (24) and the crushing disc (2) form a telescopic structure through the storage groove (25).

4. The coal car sampling two-stage sample crusher according to claim 1, wherein the auxiliary crushing rollers (41) are symmetrically distributed on the outer side of the main crushing roller (4), and the auxiliary crushing rollers (41), the third transverse shaft (43) and the second gear disc (44) are fixedly connected.

5. The coal car sampling and using two-stage sample crusher according to claim 1, wherein a driving mechanism is arranged between the first crushing mechanism and the second crushing mechanism, the driving mechanism comprises a servo motor (3) arranged on the surface of the crushing box (1), a first driving shaft (31) is fixed at the output end of the servo motor (3), and the first driving shaft (31) penetrates through the crushing box (1) and is fixedly connected with the crushing disc (2).

6. The coal car sampling use dual stage sample breaker according to claim 5, characterized in that the drive mechanism further comprises a first drive wheel (32) and a second drive wheel (34), the first drive wheel (32) being fixed to the surface of the first drive shaft (31).

7. The coal car sampling and using two-stage sample crusher according to claim 6, characterized in that a transmission belt (33) is arranged on the inner side of the first transmission wheel (32), a second transmission wheel (34) is arranged at one end, far away from the first transmission wheel (32), of the transmission belt (33), a second transverse shaft (35) is fixed on the second transmission wheel (34), and the second transverse shaft (35) is rotationally connected with the crushing box (1).

8. The coal car sampling dual stage sample breaker according to claim 7, characterized in that one end of the second transverse shaft (35) is provided with a driving plate (36), and the third transverse shaft (43) is rotatably provided at both ends of the driving plate (36).