CN210863301U

CN210863301U - Rolling and screening type coal sample preparation device

Info

Publication number: CN210863301U
Application number: CN201921551846.9U
Authority: CN
Inventors: 李君荣; 同嵬峰
Original assignee: Shaanxi Longmen Iron and Steel Co Ltd
Current assignee: Shaanxi Longmen Iron and Steel Co Ltd
Priority date: 2019-09-18
Filing date: 2019-09-18
Publication date: 2020-06-26
Anticipated expiration: 2029-09-18

Abstract

The utility model discloses a rolling and screening type coal sample preparation device, which comprises a roller horizontally placed; the mesh sieve is positioned below the grinding weight and is arranged in a concave shape; the base is U-shaped, the opening of the base is upward, the base is positioned below the mesh screen, the upper edges of two U-shaped wings of the base are fixedly connected with the left edge and the right edge of the mesh screen, and the grinding weight is used for grinding the coal sample positioned on the mesh screen so as to make the coal sample pass through the mesh screen to prepare a test sample required by a test; the utility model discloses can once only accomplish the breakage, the screening process of sample, all parts are visual, easily thoroughly clean and prevent the sample pollution, the utility model discloses simple structure, the operation is high-efficient, remains the sample and easily thoroughly cleans and effectively improves work efficiency, alleviates personnel intensity of labour.

Description

Rolling and screening type coal sample preparation device

[ technical field ] A method for producing a semiconductor device

The utility model belongs to coal sample preparation field especially relates to a roll screening formula coal system appearance device.

[ background of the invention ]

When the coal sample is prepared, the collected coal sample is prepared into the coal sample for analysis (test) capable of changing the characteristics of the original coal sample through the steps of crushing, mixing, dividing, drying and the like. When a coal sample is crushed, the sample is generally crushed by a double-roller crusher and sieved by a standard sieve with a specified aperture until the sample is crushed to pass through the standard sieve. The crusher needs to be thoroughly cleaned before crushing so as to prevent pollution to the sample, and the problems that the cleaning difficulty of the crusher is high, whether the cleaning is thorough or not is difficult to determine and the like exist in work.

[ Utility model ] content

The utility model aims at providing a roll screening formula coal system appearance device to solve the big and easy problem of polluting of the degree of difficulty of cleaning that causes with the broken coal sample of breaker now.

The utility model adopts the following technical scheme: a rolling and screening type coal sample preparation device comprises:

a roller is horizontally placed;

the mesh sieve is positioned below the grinding weight and is arranged in a concave shape;

a U-shaped base with an upward opening and positioned below the mesh screen, wherein the upper edges of two U-shaped wings are fixedly connected with the left and right edges of the mesh screen,

the grinding weight is used for grinding the coal sample on the mesh screen, so that the coal sample can pass through the mesh screen to prepare a test sample required by the test.

Further, a sample receiving disc is placed in the inner cavity of the base and used for containing test samples passing through the mesh screen.

And the two handles are respectively welded on two sides of the roller, the central shaft of each handle is overlapped with the central shaft of the roller, and each handle is used for rotating the roller.

Further, the width of the roller is less than or equal to that of the mesh screen.

Further, the mesh sieve is rectangle, is provided with the sleeve above the mesh sieve, and two lower edges about the sleeve are the arc, and with two border cooperations and pass through sliding rail connection about the mesh sieve, the slide rail is used for the sleeve to slide and separate with the mesh sieve around the slide rail, the bar through-hole has been seted up to telescopic left and right sides level, the bar through-hole is used for two handles of stone roller to pass.

Furthermore, clamping strips are arranged on the front edge and the rear edge of the mesh screen and used for preventing the sleeve from being separated from the mesh screen.

Furthermore, the free ends of the two handles are connected to a motor through a four-bar linkage mechanism, and the motor is used for driving the roller to move back and forth on the mesh screen through the four-bar linkage mechanism and the handles

The utility model has the advantages that: the utility model discloses can once only accomplish the breakage, the screening process of sample, all parts are visual, easily thoroughly clean and prevent the sample pollution, the utility model discloses simple structure, the operation is high-efficient, remains the sample and easily thoroughly cleans and effectively improves work efficiency, alleviates personnel intensity of labour.

[ description of the drawings ]

Fig. 1 is a front view of the present invention;

fig. 2 is a top view of the present invention.

Wherein: 1. grinding; 2. a mesh screen; 3. a base; 4. a sample receiving disc; 5. a handle; 6. a sleeve.

[ detailed description ] embodiments

The present invention will be described in detail with reference to the accompanying drawings and specific embodiments.

The utility model discloses a rolling and screening type coal sample preparation device, which comprises a roller 1 horizontally placed as shown in figure 1; a mesh screen 2 is arranged below the roller 1, and the middle part of the mesh screen 2 sinks to ensure that the mesh screen 2 is arranged in a concave shape; there are a plurality of sieve meshes that are used for the coal sample to pass through on the mesh sieve 2, mesh sieve 2 below is provided with a

base

3, 3 openings of base upwards just are the U-shaped, two border fixed connection about going up along and mesh sieve 2 of the 3U-shaped both wings of base, it is used for rolling to grind stone roller 1 to lie in the coal sample on mesh sieve 2 for the coal sample makes experimental required test sample through mesh sieve 2, can be according to experimental demand, the sieve mesh of selection adaptation specification sieves the coal sample.

Base 3 inner chamber has been placed and has been connect sample dish 4, connect sample dish 4 to be used for the splendid attire to pass through the experimental sample of mesh sieve 2, after the coal sample carries out roller 1 and rolls, the diameter of coal sample diminishes, fall to on connecing sample dish 4 through mesh sieve 2, the staff picks up the coal sample from connecing sample dish 4 according to the demand, connect sample dish 4 can dismantle with base 3 and be connected, because when roller 1 fore-and-aft motion on mesh sieve 2, can produce vibrations, will connect sample dish 4 and base 3 to be connected, can avoid connecing sample dish 4 to carry out the motion that the level was to, avoid spilling into base 3 from the coal sample of mesh sieve 2 whereabouts, and can't get into and connect sample dish 4.

Two handles 5 are further connected to two sides of the roller 1, the two handles 5 are respectively welded to two sides of the roller 1, a central shaft of each handle 5 coincides with a central shaft of the roller 1, each handle 5 is used for pulling the roller 1, the roller 1 is large in diameter and heavy in weight, and cannot be manually stressed, so that the roller 1 rolls or rotates through the handles 5, the roller 1 rolls back and forth on the mesh screen 2, a coal sample between the roller 1 and the mesh screen 2 is rolled, the diameter of the coal sample is reduced, the coal sample falls into the sample receiving plate 4 through the mesh screen 2, the width of the roller 1 is smaller than or equal to the width of the mesh screen 2, and the coal sample can be prevented from falling from the periphery of the mesh screen 2 along with the roller 1 in the moving process, and cleanness and sanitation of a laboratory are guaranteed.

As shown in fig. 2, mesh sieve 2 is the rectangle, mesh sieve 2 top is provided with the sleeve, two lower edges about the sleeve are the arc, and with mesh sieve 2 about two border cooperations and through sliding linkage, the slide rail is used for the sleeve to slide around the slide rail and separate with mesh sieve 2, at the rolling of stone roller 1 or pivoted in-process, the coal sample drops along with stone roller 1 from mesh sieve 2's periphery easily, consequently enclose the fender through setting up the sleeve to mesh sieve 2's four sides, make the coal sample can be smooth fall into from mesh sieve 2 and connect sample dish 4, and be connected sleeve and mesh sieve 2 through the slide rail, can very easy dismantlement sleeve, avoid mixing with next coal sample and produce the pollution, make the experimental data inaccurate.

Install the card strip on two borders in the front and back of mesh sieve 2, the card strip is used for preventing sleeve and mesh sieve 2 separation, now through sliding rail connection between mesh sieve 2 and the sleeve, that just need fix mesh sieve 2 and two other limits of sleeve, avoids at 1 rotations of stone roller or seesaw in-process, and the sleeve is along with the slide rail roll-off. The left side and the right side of the sleeve are horizontally provided with strip-shaped through holes, and the strip-shaped through holes are used for the two handles 5 of the roller 1 to penetrate through.

The free ends of the two handles 5 are connected to the motor through a four-bar linkage mechanism, the motor is used for driving the four-bar linkage mechanism to move, the four-bar linkage mechanism is used for driving the roller 1 to move back and forth on the mesh screen 2 or driving the roller 1 to rotate through the two handles 5, when the motor rotates, the handles 5 can be moved in the strip-shaped through holes, and then the roller 1 is moved to roll coal samples located at different positions on the mesh screen 2.

The roller 1 is made of steel materials, has wear-resisting characteristics and can meet the rolling effect due to self weight; the free end of the handle 5 is a round pipe welded with the roller 1, and the roller 1 can avoid friction to hands when rolling; the mesh sieve 2 is made of wear-resistant steel plates, the same sieve pores are uniformly formed in the mesh sieve 2, and the mesh sieve 2 is downward concave in the middle part and upward convex in the periphery, so that the sample can be prevented from leaking when being rolled. Base 3 is made with the steel sheet, and the bottom of base 3 sets up to the level, and what like this can be steady places on table surface, and 3 upper portions of base are the arc to mutually support with 2 arcs of mesh sieve, can prevent that the sample from leaking when rolling. Connect sample dish 4 to place in base 3 inner chamber, the sample through the sieve mesh can fall into and connect sample dish 4 when the sample rolls. The utility model discloses can once only accomplish the breakage, the screening process of sample, all parts are visual, easily thoroughly clean and prevent the sample pollution, the utility model discloses simple structure, the operation is high-efficient, remains the sample and easily thoroughly cleans and effectively improves work efficiency, alleviates personnel intensity of labour.

The utility model discloses a manual application method:

the method comprises the following steps of uniformly pouring a pre-prepared coal sample on a mesh screen 2, holding a handle 5 with two hands to push a roller 1 back and forth, and grinding and crushing the sample until the sample completely falls into a sample receiving tray 4 through the mesh screen 2. After one sample is prepared, the roller 1 and the mesh screen 2 are cleaned by the brush for the next use.

The utility model discloses an electronic application method:

and uniformly pouring the pre-prepared coal sample on the mesh screen 2, starting a motor, and grinding and crushing the sample until the complete part of the sample falls into the sample receiving disc 4 through the mesh screen 2. After one sample is prepared, the roller 1 and the mesh screen 2 are cleaned by the brush for the next use.

Claims

1. The utility model provides a roll screening formula coal system appearance device which characterized in that includes:

a roller (1) which is horizontally placed;

the mesh screen (2) is positioned below the grinding weight (1) and is arranged in a concave shape;

a base (3) which is U-shaped and has an upward opening and is positioned below the mesh screen (2), the upper edges of two U-shaped wings of the base are fixedly connected with the left edge and the right edge of the mesh screen (2),

the roller (1) is used for rolling the coal sample on the mesh screen (2), so that the coal sample can pass through the mesh screen (2) to prepare a test sample required by the test.

2. A roller compaction screen type coal sample preparation device according to claim 1, wherein a sample receiving plate (4) is placed in the inner cavity of the base (3), and the sample receiving plate (4) is used for containing a test sample passing through the mesh screen (2).

3. The grinding and screening type coal sample preparation device according to claim 2, further comprising two handles (5), wherein the two handles (5) are respectively welded to two sides of the grinding weight (1), a central axis of each handle (5) is coincident with a central axis of the grinding weight (1), and each handle (5) is used for rotating the grinding weight (1).

4. A roller compaction-screening type coal sample preparation device according to claim 3, wherein the width of the roller (1) is less than or equal to the width of the mesh screen (2).

5. The grinding and screening type coal sample preparation device according to claim 4, wherein the mesh screen (2) is rectangular, a sleeve is arranged above the mesh screen (2), two lower edges of the left side and the right side of the sleeve are arc-shaped, are matched with the two edges of the left side and the right side of the mesh screen (2) and are connected through a sliding rail, the sliding rail is used for the sleeve to slide back and forth along the sliding rail and is separated from the mesh screen (2), strip-shaped through holes are horizontally formed in the left side and the right side of the sleeve, and the strip-shaped through holes are used for two handles (5) of the grinding weight (1) to penetrate through.

6. A roller compaction-screening type coal sample preparation device according to claim 5, wherein the front and back edges of the mesh screen (2) are provided with clamping strips for preventing the sleeve from separating from the mesh screen (2).

7. A roller compaction-screening type coal sample preparation device according to any one of claims 3 to 6, wherein the free ends of the two handles (5) are connected to a motor through a four-bar linkage, and the motor is used for driving the roller (1) to move back and forth on the mesh screen (2) through the four-bar linkage and the handles (5).