CN212722101U - Falling flow type sampling device with single-roll crusher - Google Patents

Abstract

A falling flow type sampling device with a single-roller crusher belongs to the field of sample collection, and aims to solve the problems that the existing lignite is still large coal after being crushed by a coal screening crusher, the coal sampling device is blocked frequently, the stable operation of the coal sampling device can not be ensured, and the real coal sample with the full section can not be obtained when the lignite is sampled, so that the related economic analysis of the coal as fired is uncertain, the falling flow type sampling device also comprises the single-roller crusher, the falling flow belt assembly, the single-roller crusher and a feeding assembly are sequentially arranged from top to bottom, the feeding end of the single-roller crusher is connected with the discharging end of the falling flow belt assembly through a pipeline, the discharging end of the single-roller crusher is connected with the feeding end of the feeding assembly through a pipeline, the utility model discloses mainly used takes a sample in detecting the experiment to the coal as fired.

Description

Falling flow type sampling device with single-roll crusher

Technical Field

The utility model belongs to the sample collection field, concretely relates to STREAMING sampling device that falls with single roll crusher.

Background

After the lignite is crushed by the sieving coal crusher, large lump coal still exists, the blocking of the coal as fired sampling device is often caused, and the stable operation of the coal as fired sampling device cannot be ensured. In 2011, through a comparison test, a method of adding a coal blocking grate to a coal sampling hopper (welding two transverse and longitudinal phi 10 steel bars to the sampling hopper of 150mmx490 mm) is adopted to maintain the operation of the coal as fired sampling device, but the operation mode does not conform to the technical standard of scraper type coal as fired mechanical sampling devices (SD 324-89), so that a full-section real coal sample cannot be obtained all the time, and the main reason for large testing deviation of the coal as fired is also caused. According to the method, the coal as fired sampling device of a plurality of power plants after burning brown coal can not sample the full-section real coal sample, so that the related economy analysis of the coal as fired is uncertain, and the research and development of the down-flow type sampling device with the single-roller crusher for solving the problems are in line with the actual needs.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems that the existing brown coal still has large coal blocks after being crushed by the coal screening and crushing machine, the coal as fired sampling device is blocked and the stable operation of the coal as fired sampling device can not be ensured, and the brown coal can not be sampled to obtain a full-section real coal sample during sampling, so that the coal as fired is related to economic analysis and uncertainty; further provides a down-flow sampling device with a single-roll crusher;

a flow falling type sampling device with a single-roller crusher comprises a flow falling belt assembly, a feeding assembly and a single-roller crusher, wherein the feeding end of the flow falling belt assembly is connected with the discharging end of a screen crusher, the discharging end of the feeding assembly is connected with a sampling screening platform, the sampling device further comprises the single-roller crusher, the flow falling belt assembly, the single-roller crusher and the feeding assembly are sequentially arranged from top to bottom, the feeding end of the single-roller crusher is connected with the discharging end of the flow falling belt assembly through a pipeline, and the discharging end of the single-roller crusher is connected with the feeding end of the feeding assembly through a pipeline;

the single-roll crusher comprises a power unit, a coupling unit, a single-roll crushing unit, two bearing pedestal units and a supporting bushing plate, wherein the power unit and the two bearing pedestal units are fixedly connected to the upper surface of the supporting bushing plate, a blanking strip-shaped hole is processed in the length direction of the supporting bushing plate, the power unit is fixedly connected to one end of the supporting bushing plate, the two bearing pedestal units are respectively arranged at two ends of the blanking strip-shaped hole, the single-roll crushing unit is arranged between the two bearing pedestal units, one end of the single-roll crushing unit is inserted into one bearing pedestal unit, and the other end of the single-roll crushing unit penetrates through the other bearing pedestal unit and is connected with an output shaft of the power unit through the coupling unit;

furthermore, the power unit comprises a motor, a fixing plate and a speed reducer, the fixing plate is fixedly connected to the upper surface of one end of the supporting bushing plate, the motor and the speed reducer are both arranged on the fixing plate, a shell of the motor and a shell of the speed reducer are both fixedly connected to the upper surface of the fixing plate, and an output shaft of the motor is connected with an input end of the speed reducer;

further, the speed reducer is a cycloidal pin gear speed reducer;

furthermore, the coupling unit comprises a driving end coupling, a cross slide block and a main shaft end coupling, the input end of the driving end coupling is connected with the output shaft of the speed reducer, the output end of the driving end coupling is connected with one end of the cross slide block, the other end of the cross slide block is connected with the input end of the main shaft end coupling, and the output end of the main shaft end coupling is connected with one end of the single-roller crushing unit;

furthermore, the bearing seat unit comprises a bearing and a bearing seat, the bearing seat is arranged at one end of the blanking strip-shaped hole and is fixedly connected with the upper surface of the supporting bushing, the bearing is arranged in the bearing seat, and a bearing outer ring of the bearing is fixedly connected with the bearing seat;

furthermore, an oil inlet hole is processed at the top of the bearing seat, and an oil nozzle is arranged in the oil inlet hole;

furthermore, the single-roller crushing unit comprises a shaft, a limiting box and a plurality of crushing wheels, the plurality of crushing wheels are sleeved on the outer circular surface of the shaft at equal intervals along the length direction of the shaft, a radial deflection angle exists between every two adjacent crushing wheels, the angle of the radial deflection angle is 60 degrees, the limiting box is arranged above the blanking strip-shaped hole and fixedly connected with the upper surface of the supporting bushing, the shaft is arranged in the limiting box, one end of the shaft penetrates through the side wall of one end of the limiting box and is inserted into the bearing inner ring of one bearing, and the other end of the shaft sequentially penetrates through the side wall of the other end of the limiting box and the bearing inner ring of the other bearing and is connected with the output end of the main shaft end coupler;

furthermore, a threaded section is processed on the shaft and is positioned on the outer side of a crushing wheel at the end part of the single-roller crusher, two round nuts and a stop washer are sequentially sleeved on the threaded section, the two round nuts are both in threaded connection with the threaded section, the stop washer is arranged between one round nut and the crushing wheel, and the other round nut is arranged on the outer side of the other round nut;

furthermore, the crushing wheel is a three-tooth crushing wheel, and three teeth on the crushing wheel are arranged at equal intervals along the circumferential direction of the wheel;

furthermore, a sealing ring is arranged at the contact position of the shaft and each bearing seat, the sealing ring is embedded on the side wall of each bearing seat, and the sealing ring is sleeved on the shaft.

Compared with the prior art, the utility model following beneficial effect has:

a STREAMING sampling device that falls with single roll crusher, it carries out the second grade breakage to the sample material to increase single roll crusher between belt subassembly and the pay-off subassembly that falls to flow, has cancelled into stove coal sampling fill and has kept off the coal grate, the size of the broken back coal cinder of second grade all is less than 50mm and has prevented the jam of sample pipeline, through the operation practice demonstration, equipment operation is stable, accords with "scraper blade type goes into stove coal machinery sampling device technical standard" (SD 324-89). Meanwhile, primary crushing of raw coal is carried out through a coal screening crusher, secondary crushing is carried out on the coal blocks subjected to the primary crushing through a single-roller crusher, samples subjected to the secondary crushing realize that the whole section of a coal flow is taken as a sub sample from an operating coal conveying belt, and the width of a coal scraping plate cannot be smaller than 3 times of the maximum particle size in the coal flow. The coal as fired chemical examination data is guaranteed to be real and reliable, a basis is provided for production and marketing technical analysis, and a basis is provided for solving the technical problem of the coal as fired sampling device in the industry.

Drawings

FIG. 1 is a front view of a single roll crusher of the present invention;

FIG. 2 is a side view of the single roll crusher of the present invention;

FIG. 3 is a top view of the single roll crusher of the present invention;

in the figure, a speed reducer 1, a driving end coupler 2, a cross slide block 3, a main shaft end coupler 4, a bearing 5, a bearing seat 6, a crushing wheel 7, a supporting bushing plate 8, a shaft 9, a round nut 10, a sealing ring 11, a nozzle 12 and a stop washer 13 are arranged.

Detailed Description

The first embodiment is as follows: the embodiment is described with reference to fig. 1 to 3, and provides a falling flow type sampling device with a single-roller crusher, the sampling device comprises a falling flow belt component and a feeding component, the feeding end of the falling flow belt component is connected with the discharging end of a screen crusher, the discharging end of the feeding component is connected with a sampling screening platform, the sampling device further comprises a single-roller crusher, the falling flow belt component, the single-roller crusher and the feeding component are sequentially arranged from top to bottom, the feeding end of the single-roller crusher is connected with the discharging end of the falling flow belt component through a pipeline, and the discharging end of the single-roller crusher is connected with the feeding end of the feeding component through a pipeline;

the single roll crusher includes power pack, shaft coupling unit, single roll crushing unit, two bearing frame units and supports bushing 8, the equal rigid coupling of power pack and two bearing frame units is on the upper surface that supports bushing 8, and it has blanking bar hole to support bushing 8 along length direction processing, and the power pack rigid coupling is served at one of supporting bushing 8, and two bearing frame units set up respectively on the both ends in blanking bar hole, and single roll crushing unit sets up between two bearing frame units, and single roll crushing unit's one end cartridge is on a bearing frame unit, and another bearing frame unit is passed to the other end of single roll crushing unit and links to each other with power pack's output shaft through the shaft coupling unit.

The embodiment provides a down-flow type sampling device with a single-roller crusher, the single-roller crusher is additionally arranged between a down-flow belt component and a feeding component to perform secondary crushing on a sample, the problem that the size of the crushed sample is still large after a screen crusher performs primary crushing on raw lignite, so that the sample can be blocked is solved, meanwhile, the whole section of the coal flow is taken from an operating coal conveying belt as a sub-sample by the lignite sample after secondary crushing, and the width of a coal scraping plate cannot be smaller than 3 times of the basic requirement of the maximum granularity in the coal flow. The coal as fired chemical examination data is guaranteed to be real and reliable, a basis is provided for production and marketing technical analysis, and a basis is provided for solving the technical problem of the coal as fired sampling device in the industry.

The second embodiment is as follows: the present embodiment is described with reference to fig. 1 to 3, and is further limited to the sample collection tube according to the first embodiment, in the present embodiment, the power unit includes a motor, a fixing plate and a speed reducer 1, the fixing plate is fixedly connected to an upper surface of one end of the support bushing 8, the motor and the speed reducer 1 are both disposed on the fixing plate, a housing of the motor and a housing of the speed reducer 1 are both fixedly connected to an upper surface of the fixing plate, and an output shaft of the motor is connected to an input end of the speed reducer 1. Other components and connection modes are the same as those of the first embodiment.

The third concrete implementation mode: the present embodiment will be described with reference to fig. 1 to 3, and the present embodiment further limits the number of the carrier assemblies 3 described in the second embodiment, and in the present embodiment, the reduction gear 1 is a cycloidal pin gear reduction gear. The other components and the connection mode are the same as those of the second embodiment.

The fourth concrete implementation mode: the present embodiment is described with reference to fig. 1 and 3, and the present embodiment further defines the support rod in the third embodiment, in the present embodiment, the coupling unit includes a driving end coupling 2, a cross slider 3, and a main shaft end coupling 4, an input end of the driving end coupling 2 is connected to an output shaft of the speed reducer 1, an output end of the driving end coupling 2 is connected to one end of the cross slider 3, another end of the cross slider 3 is connected to an input end of the main shaft end coupling 4, and an output end of the main shaft end coupling 4 is connected to one end of the single-roll crushing unit. Other components and connection modes are the same as those of the third embodiment.

In the embodiment, the spindle end coupler 4 and the driving end coupler 2 are connected through the crosshead shoe 3, so that the situation that a shaft system is broken due to overlarge torque transmission to an output shaft of the speed reducer 1 caused by rigid contact of a roll shaft and a coal block when the coal block is crushed is prevented.

The fifth concrete implementation mode: referring to fig. 1, the present embodiment is described, which further defines the support rod according to the third embodiment, in the present embodiment, the bearing seat unit includes a bearing 5 and a bearing seat 6, the bearing seat 6 is disposed at one end of the blanking strip-shaped hole, the bearing seat 6 is fixedly connected to the upper surface of the support bushing 8, the bearing 5 is disposed in the bearing seat 6, and the outer ring of the bearing 5 is fixedly connected to the bearing seat 6. The other components and the connection mode are the same as those of the fourth embodiment.

The sixth specific implementation mode: referring to fig. 1 and 3, the present embodiment is described, which further defines a connection pipe 11 according to the first embodiment, in which an oil inlet hole is formed at the top of the bearing seat 6, and an oil nipple 12 is provided in the oil inlet hole. The other components and the connection mode are the same as the fifth embodiment mode.

In the embodiment, the bearing 5 in the bearing seat 6 is lubricated through the oil nozzle 12, so that the stability and the fluency of the rotation of the shafting are ensured.

The seventh embodiment: the present embodiment is described with reference to fig. 1 to 3, and is further limited to the support frame mechanism described in the sixth embodiment, in the present embodiment, the single-roller crushing unit includes a shaft 9, a limiting box and a plurality of crushing wheels 7, the plurality of crushing wheels 7 are equidistantly sleeved on an outer circumferential surface of the shaft 9 along a length direction of the shaft 9, a radial deflection angle exists between two adjacent crushing wheels 7, the radial deflection angle is 60 °, the limiting box is disposed above the blanking strip-shaped hole, the limiting box is fixedly connected to an upper surface of the support bushing 8, the shaft 9 is disposed in the limiting box, one end of the shaft 9 passes through a side wall of one end of the limiting box and is inserted into an inner bearing ring of one bearing 5, and the other end of the shaft 9 sequentially passes through a side wall of the other end of the limiting box and an inner bearing ring of another bearing 5 and is connected to an output end of the main shaft end coupler 4. Other components and connection modes are the same as those of the sixth embodiment.

In this embodiment, the longitudinal section of spacing box is inverted isosceles trapezoid, it is wide from top to bottom narrow, guarantee that the sample after the first breakage can accurately fall in spacing box, and can carry out the secondary breakage through single roller crushing unit, the sample after the secondary breakage also can accurately landing on the feeding subassembly, and transport to sample screening platform, distance 30mm-40mm between two adjacent broken wheels 7, there is radial declination between two adjacent broken wheels 7, guarantee that the coal cinder can receive better shearing and rolling in crushing process, the play granularity of the sample after guaranteeing the secondary breakage is less than 30mm, can not block up the sample pipeline, the number dereferencing of broken wheel 7 is thirteen, in order to guarantee the stability of broken wheel 7 at the during operation, can add the sleeve between two adjacent broken wheels 7, be used for the location.

The specific implementation mode is eight: referring to fig. 1, the present embodiment is described, which further defines the single-roll crushing unit according to the sixth embodiment, in the present embodiment, a threaded section is processed on the shaft 9, the threaded section is located on the outer side of the end crushing wheel 7 in the single-roll crusher, two round nuts 10 and a stop washer 13 are sequentially sleeved on the threaded section, the two round nuts 10 are both in threaded connection with the threaded section, the stop washer 13 is arranged between one round nut 10 and the crushing wheel 7, and the other round nut is arranged on the outer side of one round nut 10. The other components and the connection mode are the same as those of the seventh embodiment.

In this embodiment, the two round nuts 10 are used for limiting the plurality of crushing wheels 7, so as to prevent the plurality of crushing wheels 7 from axial movement during operation.

The specific implementation method nine: the present embodiment will be described with reference to fig. 1 to 3, and the present embodiment further defines the crushing wheel 7 according to the eighth embodiment, and in the present embodiment, the crushing wheel 7 is a three-tooth crushing wheel, and three teeth on the crushing wheel are provided at equal intervals in the circumferential direction of the wheel. The other components and the connection mode are the same as those of the second embodiment.

The design is adopted, and the arrangement mode in the seventh specific implementation mode is matched, so that the power of the motor can be fully utilized, the peak load can be relatively reduced, and the bearing adopts a double-row radial spherical roller bearing which mainly bears radial load and can also bear a small amount of bidirectional axial load.

The detailed implementation mode is ten: the present embodiment is described with reference to fig. 1 to 3, and is further limited to the crushing wheel 7 according to the eighth embodiment, in the present embodiment, a sealing ring 11 is provided at a contact portion between the shaft 9 and each bearing seat 6, the sealing ring 11 is embedded on a side wall of the bearing seat 6, and the sealing ring 11 is sleeved on the shaft 9. The other components and the connection mode are the same as those of the second embodiment.

So set up, prevent that the lubricating oil in bearing frame 6 from leaking, influencing the lubricated effect.

Principle of operation

Firstly, a power unit is started to drive a shaft 9 in a single-roller crushing unit to rotate, a plurality of crushing wheels 7 are driven to rotate at the same time, raw lignite blocks which are subjected to primary crushing through a screen crusher are transferred through a falling belt component, the tail end of the falling belt component is subjected to the action of gravity and falls into a limiting box along a connecting pipeline, the raw lignite blocks fall onto the shaft 9 sleeved with the crushing wheels 7, the raw lignite blocks are sheared and rolled along the rotation of the shaft 9 for secondary crushing, the granularity of the crushed samples is less than 30mm, the samples cannot block a sample sampling device, the crushed samples enter a feeding component along the connecting pipeline, the feeding component is a spiral feeding mechanism, the samples which are subjected to secondary crushing are transmitted to a sampling and screening platform for sampling experiments of workers, and the samples which are subjected to the secondary crushing realize that the whole section of coal flow is taken as a subsample from a running coal conveying belt, the width of the coal scraping plate cannot be less than 3 times the basic requirement of the maximum particle size in the coal flow. The coal as fired chemical examination data is guaranteed to be real and reliable, a basis is provided for production and marketing technical analysis, and a basis is provided for solving the technical problem of the coal as fired sampling device in the industry.

Claims (10)

1. The utility model provides a STREAMING sampling device that falls with single roll crusher, sampling device is including falling a class belt subassembly and a pay-off subassembly, and the pan feeding end that falls a class belt subassembly links to each other with the discharge end of sieve breaker, and the discharge end of pay-off subassembly links to each other its characterized in that with sample screening platform: the sampling device also comprises a single-roller crusher, the falling belt assembly, the single-roller crusher and the feeding assembly are sequentially arranged from top to bottom, the feeding end of the single-roller crusher is connected with the discharging end of the falling belt assembly through a pipeline, and the discharging end of the single-roller crusher is connected with the feeding end of the feeding assembly through a pipeline;

the single-roll crusher comprises a power unit, a coupler unit, a single-roll crushing unit, two bearing pedestal units and a supporting bushing (8), wherein the power unit and the two bearing pedestal units are fixedly connected to the upper surface of the supporting bushing (8), the supporting bushing (8) is provided with a blanking strip-shaped hole along the length direction in a processing mode, the power unit is fixedly connected to one end of the supporting bushing (8), the two bearing pedestal units are arranged at two ends of the blanking strip-shaped hole respectively, the single-roll crushing unit is arranged between the two bearing pedestal units, one end of the single-roll crushing unit is inserted into one bearing pedestal unit, and the other end of the single-roll crushing unit penetrates through the other bearing pedestal unit and is connected with an output shaft of the power unit through the coupler unit.

2. A down-flow sampling apparatus with a single roll crusher as claimed in claim 1, wherein: the power unit comprises a motor, a fixing plate and a speed reducer (1), the fixing plate is fixedly connected to the upper surface of one end of the supporting bushing plate (8), the motor and the speed reducer (1) are both arranged on the fixing plate, a shell of the motor and a shell of the speed reducer (1) are fixedly connected to the upper surface of the fixing plate, and an output shaft of the motor is connected with an input end of the speed reducer (1).

3. A down-flow sampling apparatus with a single roll crusher as claimed in claim 2, wherein: the speed reducer (1) is a cycloidal pin gear speed reducer.

4. A down-flow sampling apparatus with a single roll crusher as claimed in claim 2, wherein: the coupler unit comprises a driving end coupler (2), a cross-shaped sliding block (3) and a main shaft end coupler (4), the input end of the driving end coupler (2) is connected with the output shaft of the speed reducer (1), the output end of the driving end coupler (2) is connected with one end of the cross-shaped sliding block (3), the other end of the cross-shaped sliding block (3) is connected with the input end of the main shaft end coupler (4), and the output end of the main shaft end coupler (4) is connected with one end of the single-roller crushing unit.

5. A down-flow sampling apparatus with a single roll crusher as claimed in claim 3, wherein: the bearing seat unit comprises a bearing (5) and a bearing seat (6), the bearing seat (6) is arranged at one end of the blanking strip-shaped hole, the bearing seat (6) is fixedly connected with the upper surface of the supporting bushing plate (8), the bearing (5) is arranged in the bearing seat (6), and the outer ring of the bearing (5) is fixedly connected with the bearing seat (6).

6. A down-flow sampling apparatus with a single roll crusher as claimed in claim 4, wherein: and an oil inlet hole is processed at the top of the bearing seat (6), and an oil nozzle (12) is arranged in the oil inlet hole.

7. A down-flow sampling apparatus with a single roll crusher as claimed in claim 1, wherein: the single-roller crushing unit comprises a shaft (9), a limiting box and a plurality of crushing wheels (7), wherein the plurality of crushing wheels (7) are sleeved on the outer circular surface of the shaft (9) along the length direction of the shaft (9) at equal intervals, a radial deflection angle exists between every two adjacent crushing wheels (7), the angle of the radial deflection angle is 60 degrees, the limiting box is arranged above a blanking strip-shaped hole, the limiting box is fixedly connected with the upper surface of a supporting bushing plate (8), the shaft (9) is arranged in the limiting box, one end of the shaft (9) penetrates through the side wall of one end of the limiting box and is inserted into the inner bearing ring of one bearing (5), and the other end of the shaft (9) sequentially penetrates through the side wall of the other end of the limiting box and the inner bearing ring of the other bearing (5) and is connected with the output end of a main shaft end coupler (.

8. A down-flow sampling apparatus with a single roll crusher as claimed in claim 6, wherein: the shaft (9) is provided with a thread section, the thread section is positioned on the outer side of the end crushing wheel (7) in the single-roller crusher, the thread section is sequentially sleeved with two round nuts (10) and a stop washer (13), the two round nuts (10) are all in threaded connection with the thread section, the stop washer (13) is arranged between one round nut (10) and the crushing wheel (7), and the other round nut is arranged on the outer side of one round nut (10).

9. A down-flow sampling apparatus with a single roll crusher as claimed in claim 7, wherein: the crushing wheel (7) is a three-tooth crushing wheel, and three teeth on the crushing wheel are arranged at equal intervals along the circumferential direction of the wheel.

10. A down-flow sampling apparatus with a single roll crusher as claimed in claim 8, wherein: the shaft bearing is characterized in that a sealing ring (11) is arranged at the contact position of each shaft (9) and each bearing seat (6), the sealing ring (11) is embedded on the side wall of each bearing seat (6), and the sealing ring (11) is sleeved on the shaft (9).

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