CN217304102U - X-ray weighing device - Google Patents

Abstract

The utility model relates to a X ray weighing device, comprises an upper box bod, last box body in be provided with X ray generator, the below of going up the box body is provided with the support frame, the support frame below is provided with belt conveyor, belt conveyor include initiative bearing roller, passive bearing roller, conveyer and bearing roller mounting bracket, be provided with down the staving in the conveyer inner chamber of support frame below, still set up speed sensing device in the conveyer inner chamber, be provided with X ray receiver in the staving down, be provided with first transparent baffle on the last box body of X ray generator below, be provided with the transparent baffle of second on the lower staving of X ray receiver top, be provided with the collimation groove on the support frame between transparent baffle of second and the first transparent baffle. Meet the explosion-proof requirement required by underground working conditions and improve the X-ray quantity for detecting the coal weight. The utility model discloses adjust, convenient to use, have extensive market prospect.

Description

X-ray weighing device

Technical Field

The utility model relates to a field is weighed to the X ray, concretely relates to X ray weighing device.

Background

The X-ray weighing and metering device comprises an X-ray tube, an X-ray detector, a weighing instrument and a belt speed sensor, wherein the X-ray tube of the X-ray weighing and metering device emits X-rays after being electrified, the X-ray detector detects the intensity of the X-rays after the belt coal flow is transmitted, the weighing instrument calculates the coal flow load weight on the belt according to the attenuation of the X-rays, and the weight and a speed signal given by the belt speed sensor are integrated to obtain the accumulated conveying amount information. The X-ray weighing device does not use a radioactive source, X-rays are generated after the power is on, and the X-rays disappear after the power is off. According to the mass thickness of the bulk coal mined under the shaft as the measuring object, an X-ray machine with the tube voltage of more than 100KV is used. The X-ray machine belongs to three national ray devices and is high in safety.

Because the working condition of the X-ray weighing and metering device installed underground is limited, an explosion-proof component is required to be installed, and the conventional explosion-proof component is usually made of uniform steel, so that the safe operation is effectively guaranteed; however, the explosion-proof component made of uniform steel also greatly shields the quantity of X rays for measuring the weight of coal, so that the measurement accuracy is reduced.

Disclosure of Invention

Not enough to prior art, the utility model provides a satisfy the required flame proof requirement of operating mode in the pit and improve the X ray weighing device who is used for detecting coal weight X ray volume for overcome defect among the prior art.

The utility model adopts the technical proposal that: the utility model provides an X-ray weighing device, includes the box body, last box body in be provided with X ray generator, the below of going up the box body is provided with the support frame, the support frame below is provided with band conveyer, band conveyer include initiative bearing roller, passive bearing roller, conveyer and bearing roller mounting bracket, be provided with down the staving in the conveyer inner chamber of support frame below, still set up speed sensing device in the conveyer inner chamber, be provided with X ray receiver in the staving down, be provided with first transparent baffle on the last box body of X ray generator below, be provided with the transparent baffle of second on the lower staving of X ray receiver top, be provided with the collimation groove on the support frame between transparent baffle of second and the first transparent baffle.

Preferably, speed sensing device including the gyro wheel that tests the speed, the gyro wheel that tests the speed include gyro wheel portion and pivot portion, gyro wheel portion install pivot portion on, the medial surface swing joint of gyro wheel portion and conveyer, the both ends of pivot portion pass through the linking arm and install on the bearing roller mounting bracket, the gyro wheel adoption that tests the speed can be around the cylindric structure that the rotary motion was done to the gyro wheel axis that tests the speed, one of them of pivot portion serve and be provided with rotary encoder, the medial surface swing joint of the lateral surface of gyro wheel and conveyer tests the speed.

Preferably, the lower barrel body in the second transparent partition outside and the last box body in the first transparent partition outside on equallyd divide and do not be provided with the baffle mounting bracket, the inner chamber of baffle mounting bracket adopts type shape, the inboard of baffle mounting bracket is served and is provided with window mirror pressing plate, equally divide between first transparent partition and the window mirror pressing plate and between window mirror pressing plate and the second transparent partition and do not be provided with first packing ring, first transparent partition is equallyd divide in the baffle mounting bracket inner chamber of keeping away from first packing ring one side and second transparent partition and do not be provided with the second packing ring in the baffle mounting bracket inner chamber of keeping away from first packing ring one side.

Preferably, the thickness of the second transparent partition and the thickness of the first transparent partition are both 8mm to 20 mm.

Preferably, the lower barrel body adopts a cylindrical box-shaped structure, and the second transparent partition plate adopts an arc-shaped sheet structure.

Preferably, the first gasket is of an annular structure made of rubber, the second gasket is of an annular structure made of metal copper, and the partition mounting frame is of a tubular structure made of stainless steel.

The utility model discloses beneficial effect is: first, the utility model discloses a satisfy the required flame proof requirement of industrial control operation in the pit to with first transparent baffle and second transparent baffle reduced the shielding to being used for the effective X ray of survey, thereby the improvement is used for detecting coal weight X ray volume and then improves measurement.

Secondly, the first transparent partition plate and the second transparent partition plate of the utility model both adopt a sheet structure made of toughened glass material, and the thickness of the second transparent partition plate and the thickness of the first transparent partition plate both adopt 8mm to 20 mm; the explosion-proof performance and the X-ray transmission performance are considered.

Finally, a plurality of anti-skid teeth are uniformly arranged on the outer side surface of the roller part; the anti-skid teeth are movably connected with the inner side face of the conveying belt, so that the friction force between the roller part and the conveying belt is improved.

The utility model has the advantages of simple structure, convenient operation, design benefit has improved work efficiency greatly, has fine social and economic benefits, is the product of easily using widely.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a partially enlarged schematic view of detail a of fig. 1.

Fig. 3 is a partially enlarged schematic view of detail B of fig. 1.

Fig. 4 is a perspective view of the present invention.

Fig. 5 is a right side view of the present invention.

Fig. 6 is a top view of the lower barrel of the present invention.

Detailed Description

As shown in fig. 1 to 6, an X-ray weighing device comprises an upper box body 1, an X-ray generator 2 is arranged in the upper box body 1, a support frame 3 is arranged below the upper box body 1, a belt conveyor is arranged below the support frame 3, the belt conveyor comprises a driving carrier roller 4, a driven carrier roller 5, a conveyor belt 6 and a carrier roller mounting frame 7, the carrier roller mounting frame 7 below the driving carrier roller 4 is provided with a driving motor (not shown in the figures), the driving motor is in transmission connection with the driving carrier roller 4, a lower barrel body 8 is arranged in an inner cavity of the conveyor belt 6 below the support frame 3, a speed sensing device is further arranged in an inner cavity of the conveyor belt 6, an X-ray receiver 9 is arranged in the lower barrel body 8, a first transparent partition plate 10 is arranged on the upper box body 1 below the X-ray generator 2, a second transparent partition plate 11 is arranged on the lower barrel body 8 above the X-ray receiver 9, a collimating groove 12 is arranged on the supporting frame 3 between the second transparent partition 11 and the first transparent partition 10.

The speed sensing device comprises a speed measuring roller 13, the speed measuring roller 13 comprises a roller part and a rotating shaft part, the roller part is installed on the rotating shaft part, the roller part is movably connected with the inner side surface of the conveying belt 6, two ends of the rotating shaft part are installed on the roller installation frame 7 through connecting arms 14, and the speed measuring roller 13 is of a cylindrical structure capable of rotating around the central axis of the speed measuring roller 13; preferably, a plurality of anti-slip teeth are uniformly arranged on the outer side surface of the roller part; the anti-skid teeth are movably connected with the inner side surface of the conveying belt 6 and used for improving the friction force between the roller part and the conveying belt 6; one end of the rotating shaft part is provided with a rotary encoder 15, and the outer side surface of the speed measuring roller 13 is movably connected with the inner side surface of the conveying belt 6.

Lower barrel 8 in the second transparent partition 11 outside and last box body 1 in the first transparent partition 10 outside on equallyd divide and do not be provided with baffle mounting bracket 16, the inboard of baffle mounting bracket 16 is served and is provided with window mirror pressing board 17, equally divide between first transparent partition 10 and the window mirror pressing board 17 and between window mirror pressing board 17 and the second transparent partition 11 and do not be provided with first packing ring 18, first transparent partition 10 is equallyd divide in the 16 inner chambers of baffle mounting bracket of keeping away from first packing ring 18 one side and second transparent partition 11 and do not be provided with second packing ring 19 in the 16 inner chambers of baffle mounting bracket of keeping away from first packing ring 18 one side. The inner cavity of the clapboard mounting rack 16 is in a convex shape, the section of the clapboard mounting rack 16 is in a rectangular structure, and the outlet at the bottom end of the clapboard mounting rack 16 arranged on the upper box body 1 is equivalent to an upper collimation hole; the top inlet of the clapboard mounting frame 16 arranged on the lower barrel body 8 is equivalent to a lower collimation hole; the X-ray emitted from the X-ray generator 2 passes through the first transparent partition 10, is collimated by the bottom end of the partition mounting frame 16, passes through the collimating groove 12, is collimated again, passes through part of the conveying belt 6, is collimated by the top end inlet of the partition mounting frame 16 arranged on the lower barrel 8, passes through the second transparent partition 11, and is absorbed and fed back by the X-ray receiver 9. In the process, the X-ray radiation source passes through the bottom end of the clapboard mounting frame 16 and the collimation groove 12 for twice collimation, so that the scattering of the X-ray to the outside is effectively reduced, and the radiation quantity leaked from the outside of the product is reduced.

In order to compromise the transmission performance of flame proof performance and X ray, this product first transparent baffle 10 and second transparent baffle 11 all adopt the sheet structure of being made by toughened glass material, the thickness of second transparent baffle 11 and the thickness of first transparent baffle 10 all adopt 8mm to 20 mm. The first gasket 18 is made of rubber and has a ring structure, the second gasket 19 is made of copper metal and has a ring structure, and the partition mounting bracket 16 is made of stainless steel and has a tubular structure.

In order to reduce the dust to scatter to the lower barrel body 8 to cause the accumulation on the lower barrel body 8, the lower barrel body 8 adopts a cylindrical box-shaped structure, and the second transparent partition plate 11 adopts an arc-shaped sheet structure.

The use method of the product is as follows: as shown in fig. 1 to 6, the X-ray generator 2, the X-ray receiver 9 and the driving motor of the present product are turned on, the conveyor belt 6 conveys coal from one side of the support frame 3 to the other side of the support frame 3, and at the same time, the tachometer roller 13 rotates along with the conveyance of the conveyor belt 6, and the rotary encoder 15 feeds back the rotation speed of the tachometer roller 13; in the process of passing through the support frame 3, the X-ray generator 2 emits X-rays which pass through the first transparent partition 10, are collimated by the collimating slot 12, then transmit the X-rays through the coal below the collimating slot 12, then pass through the second transparent partition 11, and finally feed back the amount of the X-rays absorbed by the coal by the X-ray receiver 9.

Through this embodiment, realized satisfying the required flame proof requirement of industrial control operation in the pit to with first transparent baffle 10 and second transparent baffle 11 reduced the shielding to the effective X ray that is used for the survey, thereby improve and be used for detecting coal weight X ray volume and then improve measurement effect.

The utility model discloses a satisfy in X ray weighing device that X ray weighed field worker needs, make the utility model discloses extensive market prospect has.

Claims (6)

1. An X-ray weighing device characterized in that: comprises an upper box body (1), an X-ray generator (2) is arranged in the upper box body (1), a support frame (3) is arranged below the upper box body (1), a belt conveyor is arranged below the support frame (3), the belt conveyor comprises an active carrier roller (4), a passive carrier roller (5), a conveying belt (6) and a carrier roller mounting frame (7), a lower barrel body (8) is arranged in an inner cavity of the conveying belt (6) below the support frame (3), a speed sensing device is further arranged in the inner cavity of the conveying belt (6), an X-ray receiver (9) is arranged in the lower barrel body (8), a first transparent partition plate (10) is arranged on an upper box body (1) below the X-ray generator (2), a second transparent partition plate (11) is arranged on the lower barrel body (8) above the X-ray receiver (9), and an alignment groove (12) is formed in the support frame (3) between the second transparent partition plate (11) and the first transparent partition plate (10).

2. The X-ray weighing apparatus of claim 1, wherein: speed sensing device including gyro wheel (13) test the speed, gyro wheel (13) test the speed include gyro wheel portion and pivot portion, gyro wheel portion install pivot portion on, the medial surface swing joint of gyro wheel portion and conveyer (6), the both ends of pivot portion pass through linking arm (14) and install on bearing roller mounting bracket (7), gyro wheel (13) adopt and can be the cylindric structure of rotary motion around gyro wheel (13) axis tests the speed, one of them of pivot portion serve and be provided with rotary encoder (15), the medial surface swing joint of lateral surface and conveyer (6) of gyro wheel (13) test the speed.

3. The X-ray weighing apparatus of claim 1, wherein: lower staving (8) in second transparent baffle (11) outside and last box body (1) in first transparent baffle (10) outside on equallyd divide and do not be provided with baffle mounting bracket (16), the inner chamber of baffle mounting bracket (16) adopts type protrudingly, the inboard of baffle mounting bracket (16) is served and is provided with window mirror pressing plate (17), it does not be provided with first packing ring (18) to equallyd divide between first transparent baffle (10) and window mirror pressing plate (17) and between window mirror pressing plate (17) and second transparent baffle (11), first transparent baffle (10) are equallyd divide in baffle mounting bracket (16) inner chamber of keeping away from first packing ring (18) one side and second transparent baffle (11) and are kept away from baffle mounting bracket (16) inner chamber of first packing ring (18) one side and do not be provided with second packing ring (19).

4. The X-ray weighing apparatus of claim 1, wherein: the thickness of the second transparent partition plate (11) and the thickness of the first transparent partition plate (10) are both 8mm to 20 mm.

5. The X-ray weighing apparatus of claim 1, wherein: the lower barrel body (8) is of a cylindrical box-shaped structure, and the second transparent partition plate (11) is of an arc-shaped sheet structure.

6. The X-ray weighing apparatus of claim 3, wherein: the first gasket (18) is of an annular structure made of rubber materials, the second gasket (19) is of an annular structure made of metal copper materials, and the partition mounting frame (16) is of a tubular structure made of stainless steel materials.

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