CN219092744U

CN219092744U - Negative pressure screen analysis instrument

Info

Publication number: CN219092744U
Application number: CN202223592869.9U
Authority: CN
Inventors: 高小琴
Original assignee: Tangshan Shouxin Municipal Engineering Testing Co ltd
Current assignee: Tangshan Shouxin Municipal Engineering Testing Co ltd
Priority date: 2022-12-30
Filing date: 2022-12-30
Publication date: 2023-05-30
Anticipated expiration: 2032-12-30

Abstract

The application relates to a negative pressure screen analysis appearance relates to cement detection equipment field, and it includes the box, be provided with the analysis sieve on the box, the top of analysis sieve is provided with the apron, one side of box is provided with the cyclone, the cyclone with the bottom of analysis sieve is linked together, the box inside is equipped with the dust catcher that is used for absorbing the dust, the apron orientation apron one side rigid coupling has a plurality of fixed plates, the fixed plate sets up the edge of apron and sets up around the centre of a circle equidistance of apron, the rigid coupling has a plurality of fixed blocks on the lateral wall of analysis sieve, set up on the lateral wall of fixed plate and be used for the joint draw-in groove of fixed block. The application has the effect of improving the tightness of the cover plate and the analysis screen and improving the detection precision of the negative pressure screen analyzer.

Description

Negative pressure screen analysis instrument

Technical Field

The application relates to the field of cement detection equipment, in particular to a negative pressure screen analyzer.

Background

The negative pressure sieve analysis instrument is an instrument for testing fineness of silicate cement, ordinary silicate cement, slag silicate cement, fly ash silicate cement and composite silicate cement. The negative pressure screen analysis instrument mainly comprises an analysis screen, a dust collector, a cyclone cylinder, a box body and the like, wherein the bottom end of the analysis screen is communicated with the upper end of the cyclone cylinder, the lower end of the cyclone cylinder is connected with a dust collecting bottle, the top end opening of the cyclone cylinder is communicated with the dust collector through a hose, the dust collector is positioned in the box body below the negative pressure screen analysis instrument, and the dust collector discharges filtered air through an exhaust port at the upper end of the dust collector.

When the negative pressure screen analysis instrument works by using air flow as a power medium for screening, the whole system keeps a negative pressure state, the to-be-detected fine powder material in the screen is in a fluid state under the action of the air flow sprayed by the rotating air nozzle and moves along with the air flow, wherein fine particles with the particle size smaller than the aperture of the screen are driven by the air flow to pass through the screen to be pumped away, and coarse particles with the particle size larger than the aperture of the screen are left in the screen so as to achieve the purpose of screening.

For the related art, the end cover of the common negative pressure screen analyzer only uses the gravity cover and the port of the analysis screen, so that the end cover is covered, if the airflow pressure is large, the end cover is easy to misplace, so that the materials in the analysis screen leak, and the accuracy of the test result is affected.

Disclosure of Invention

The purpose of the application is to provide a negative pressure screen analyzer.

The application provides a negative pressure screen analysis appearance adopts following technical scheme:

the utility model provides a negative pressure sieve analysis appearance, includes the box, be provided with the analysis sieve on the box, the top of analysis sieve is provided with the apron, one side of box is provided with the cyclone, the cyclone with the bottom of analysis sieve is linked together, the box inside is equipped with the dust catcher that is used for absorbing the dust, the apron orientation apron one side rigid coupling has a plurality of fixed plates, the fixed plate sets up the edge of apron just sets up around the centre of a circle equidistance of apron, the rigid coupling has a plurality of fixed blocks on the lateral wall of analysis sieve, offered the joint groove that is used for the joint on the lateral wall of fixed plate the fixed block.

Through adopting above-mentioned technical scheme, when needs cover the apron lid and when the analysis sieve, can be earlier with the apron lid with at the sieve mouth of analysis sieve, rotate the apron afterwards and make fixed block plug-in card insert the joint inslot on the fixed plate, the apron is fixed in analysis sieve upper end through the fixed block from this, from this convenient operation and can reliable analysis sieve carry out the closing cap, reduce the influence of air current to the apron, improved the accuracy of test result.

Optionally, the fixed block is kept away from fixedly connected with a plurality of supporting springs on the lateral wall of box one side, supporting spring keeps away from the one end rigid coupling of fixed block has same butt board.

Through adopting above-mentioned technical scheme, can be with butt board and supporting spring together card access fixed plate's joint inslot along with the fixed block when rotatable apron, accessible lower cover plate when attaching part dust on the apron from this, make supporting spring produce deformation, make the apron vibrate from this, shake the dust that attaches on the apron and fall in the analysis sieve.

Optionally, an inner groove for clamping the abutting plate is formed in the side wall of the clamping groove.

Through adopting above-mentioned technical scheme, the direction of movement of joint board can be restricted to the inside groove, improves the stability of joint board at the joint groove.

Optionally, the length of the supporting spring near the bottom of the clamping groove is smaller than the length of the supporting spring far from the bottom of the clamping groove.

Through adopting above-mentioned technical scheme, can make joint board one end rise the slope, the joint board of being convenient for gets into in the joint groove from this.

Optionally, the cyclone lower extreme is fixed and is linked together there is the album ash box, it is kept away from to collect the ash box be equipped with the valve on the lateral wall of box one side, the bottom of album ash box is equipped with and is used for receiving the dust collecting plate of whereabouts particulate matter in the cyclone, the dust collecting plate is close to valve one side downward sloping.

Through adopting above-mentioned technical scheme, the particulate matter that falls through the cyclone can concentrate to valve one side through the dust collecting plate that the slope set up, opens the valve from this and can clear up the particulate matter in the album ash box fast.

Optionally, the dust collecting plate is close to one end of the valve and hinged to the dust collecting box, a plurality of vibrating springs are fixedly connected between the bottom of the dust collecting box and the dust collecting box, and a vibrating assembly for driving the dust collecting plate to vibrate is arranged on the dust collecting box.

Through adopting above-mentioned technical scheme, accessible vibration subassembly connects the dirt board to take place the vibration in the album ash box, makes the dust that connects the accumulation on the dirt board concentrate to valve one side from this, is convenient for concentrate the clearance to album ash box.

Optionally, the vibration subassembly includes the dwang, the dwang rotates to be connected on the lateral wall of one side of collecting the ash box and keeping away from the valve, the other end of dwang is arranged in the album ash box, the dwang is arranged in rigid coupling has three branch on the tip lateral wall of the one end in the album ash box, branch centers on the axis equidistance setting of dwang, branch keeps away from dwang one end butt is in the upper surface of dust collecting plate.

Through adopting above-mentioned technical scheme, the swivelling lever can make branch rotate, from this through the support rod tip of difference butt in proper order and lower crimping dirt board and then make the dirt board take place the vibration under vibrating spring's effect.

Optionally, an observation window for observing the dust collecting plate is formed on the side wall of the dust collecting box.

Through adopting above-mentioned technical scheme, the quantity of particulate matter and the vibration effect of vibration subassembly in the accessible observation window observation album ash box can be convenient for clear up album ash box from this.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the cover plate can be covered with the screen opening of the analysis screen, and then the cover plate is rotated to enable the fixing block to be inserted into the clamping groove on the fixing plate, so that the cover plate is fixed at the upper end of the analysis screen through the fixing block, the operation is convenient and the analysis screen can be reliably covered, the influence of air flow on the cover plate is reduced, and the accuracy of a test result is improved;

2. when the cover plate can be rotated, the abutting plate and the supporting spring can be clamped into the clamping groove of the fixing plate together with the fixing block, so that when part of dust is attached to the cover plate, the cover plate can be pressed down to deform the supporting spring, the cover plate can be vibrated, and the dust attached to the cover plate can be vibrated and falls into the analysis screen;

3. the dust collecting plate can vibrate in the dust collecting box through the vibration component, so that dust accumulated on the dust collecting plate is concentrated to one side of the valve, and the dust collecting box is convenient to clean in a concentrated mode.

Drawings

FIG. 1 is a schematic overall structure of an embodiment of the present application;

FIG. 2 is a schematic structural view of a fixing block according to an embodiment of the present application;

FIG. 3 is a schematic view of the structure of an inner tank according to an embodiment of the present application;

FIG. 4 is a schematic view of the structure of a dust box according to an embodiment of the present application;

FIG. 5 is a schematic view of the structure of a dust-collecting plate according to an embodiment of the present application;

in the figure, 1, a box body; 11. a dust collector; 2. analyzing the sieve; 21. a fixed block; 22. a support spring; 23. an abutting plate; 3. a cover plate; 31. a fixing plate; 311. a clamping groove; 3111. an inner tank; 4. a cyclone; 5. an ash collection box; 51. a valve; 52. a dust collecting plate; 521. a main board; 522. a rotating plate; 523. a torsion spring; 53. a vibration spring; 54. a vibration assembly; 541. a rotating lever; 542. a support rod; 543. an observation window; 6. and (5) connecting pipes.

Detailed Description

The present application is described in further detail below with reference to fig. 1-5.

The embodiment of the application is as follows: the utility model provides a negative pressure screen analysis appearance, is referenced fig. 1, fig. 2 and fig. 3, including setting up subaerial box 1, analysis sieve 2 is installed to box 1 upper end, and analysis sieve 2's top is equipped with apron 3, and the edge fixedly connected with three fixed plate 31 of apron 3, the lateral wall of fixed plate 31 set up to the same arc of analysis sieve 2 lateral wall arc and fixed plate 31 set up around the centre of a circle equidistance of apron 3. The side wall of the analysis screen 2 is fixedly connected with three fixing blocks 21, the fixing blocks 21 are positioned between two adjacent fixing plates 31, the side wall of the upper end face of each fixing block 21 is fixedly connected with two supporting springs 22, the supporting springs 22 are arranged on the side wall, and one end, away from the fixing blocks 21, of each supporting spring 22 is fixedly connected with the same abutting plate 23. The side wall of the fixed plate 31 is provided with a clamping groove 311, the side wall of the clamping groove 311 is provided with an inner groove 3111, the fixed block 21 is clamped in the clamping groove 311, and the abutting plate 23 abuts against the bottom of the inner groove 3111 under the action of the elasticity of the supporting spring 22.

The cover plate 3 is pressed, the fixing plate 31 can press the supporting spring 22, after the cover plate 3 is loosened, the cover plate 3 can be quickly reset under the elasticity of the supporting spring 22, so that the cover plate 3 can vibrate up and down in a reciprocating manner, and dust attached to the inside of the cover plate 3 can be vibrated into the analysis screen 2. When the cover plate 3 is required to be opened, the cover plate 3 is rotated, and the cover plate 3 can drive the fixing plate 31 to be far away from the fixing block 21, so that the fixing block 21 is separated from the clamping groove 311, and meanwhile, the abutting plate 23 is separated from the inner groove 3111, so that the cover plate 3 is opened. When the cover and the cover plate 3 are covered, the cover plate 3 is only required to be placed at the top end of the analysis screen 2, and then the cover plate 3 is rotated, so that the cover plate 3 drives the fixing plate 31 to rotate towards the side of the fixing block 21, and then the fixing block 21 is placed in the clamping groove 311 of the fixing plate 31, and the abutting plate 23 is placed in the inner groove 3111 on the side wall of the clamping groove 311, so that the cover plate 3 is stably covered and at the top end of the analysis screen 2, and meanwhile, in order to facilitate the abutting plate 23 to enter the inner groove 3111, the length of the supporting spring 22 on the side close to the bottom of the clamping groove 311 is smaller than the length of the supporting spring 22 on the side far away from the bottom of the clamping groove 311, and therefore one end of the abutting plate 23, which is abutted against the bottom of the clamping groove 311, is inclined downwards.

Referring to fig. 1 and 4, a cyclone cylinder 4 is fixedly connected to one side of a box 1, a connecting pipe 6 for connecting the cyclone cylinder 4 and the bottom of an analysis screen 2 is fixedly connected and communicated with the cyclone cylinder 4, a dust collector 11 for collecting dust is installed in the box 1, and the dust collector 11 is communicated with the connecting pipe 6. The bottom of the cyclone cylinder 4 is communicated with and fixedly connected with an ash collecting box 5 for collecting particles such as fly ash, cement and the like, and one side of the ash collecting box 5 away from the cylinder body is provided with a valve 51.

Referring to fig. 4 and 5, two vibrating springs 53 are fixedly connected to the bottom of the ash collecting box 5, one end of the vibrating spring 53 away from the bottom of the ash collecting box 5 is fixedly connected with the same dust collecting plate 52, the dust collecting plate 52 is obliquely arranged, one end of the dust collecting plate 52 close to the valve 51 is inclined downwards, the dust collecting plate 52 comprises a main plate 521 and a rotating plate 522, the rotating plate 522 is located on one side of the dust collecting plate 52 away from the valve 51, one end of the main plate 521 close to the valve 51 is rotatably connected to the side wall of the ash collecting box 5, a torsion spring 523 for connecting the main plate 521 and the rotating plate 522 is arranged between the main plate 521 and the rotating plate 522, one end of the torsion spring 523 is fixedly connected with the main plate 521, and the other end of the torsion spring 523 is fixedly connected with the rotating plate 522. The main plate 521 and the rotating plate 522 are blocked at the bottom of the ash collecting box 5 under the action of the torsion spring 523, and the side wall of the rotating plate 522 is tightly attached to the side wall of the ash collecting box 5.

Whereby the particles falling down in the spinning wind drum 4 can fall on the dust collecting plate 52, and then the dust collecting plate 52 arranged obliquely is concentrated to the valve 51 side of the dust collecting box 5, and at the same time, in order to reduce the residue of the particles on the dust collecting plate, the side wall of the dust collecting box 5 far away from the valve 51 is provided with a vibration component 54 for driving the dust collecting plate 52 to vibrate, the vibration component 54 comprises a rotating rod 541 rotationally connected on the side wall of the dust collecting box 5, one end of the rotating rod 541 is arranged in the dust collecting box 5, the other end of the rotating rod 541 is arranged outside the dust collecting box 5, three supporting rods 542 are fixedly connected on the end side wall of the rotating rod 541 arranged at one end of the dust collecting box 5, the three supporting rods 542 are equidistantly arranged around the axis of the rotating rod 541, and the end of one supporting rod 542 far away from one end of the rotating rod 541 is abutted on the side wall of the upper end face of the dust collecting plate 52. The rotating rod 541 is rotated, the supporting rods 542 can rotate along with the rotating rod 541, and then the three supporting rods 542 are sequentially abutted against the dust collecting plate 52, and the dust collecting plate 52 can vibrate under the action of the vibrating spring 53, so that the particles remained at the upper end of the dust collecting plate 52 are concentrated and vibrated to the valve 51 side. Referring to fig. 1 and 4, in order to facilitate observation of the cleaning effect of the vibration assembly 54 on the dust plate 52, observation windows 543 are formed on two adjacent side walls of the dust collection box 5 where the dust collection box 5 and the valve 51 are located.

The implementation principle of the embodiment of the application is as follows: when the sieve holes of the analysis sieve 2 are covered, the cover plate 3 is covered and the sieve holes of the analysis sieve 2 are firstly covered, then the cover plate 3 is rotated to enable the fixing block 21 to be inserted into the clamping groove 311 on the fixing plate 31, meanwhile, the abutting plate 23 on the fixing block 21 is inserted into the inner groove 3111, so that the position of the cover plate 3 is fixed, then when dust is attached to the inner part of the cover plate 3, the cover plate 3 can be pressed, the cover plate 3 can vibrate under the action of the supporting spring 22, so that the dust can be vibrated again into the analysis sieve 2, when the dust collecting box 5 needs to be cleaned for a period of time, the valve 51 can be opened, meanwhile, the residual particles on the dust collecting plate 52 can be observed through the observation window 543, if the residual particles are too much, the dust collecting plate 52 can vibrate through the vibration assembly 54, so that the residual particles on the dust collecting plate 52 can be concentrated and vibrated to one side of the valve 51, and the residual particles are discharged out of the dust collecting box 5 through the valve 51.

The embodiments of this embodiment are all preferred embodiments of the present application, and are not intended to limit the scope of the present application, in which like parts are denoted by like reference numerals. Therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims

1. The utility model provides a negative pressure sieve analysis appearance, includes box (1), be provided with analysis sieve (2) on box (1), the top of analysis sieve (2) is provided with apron (3), one side of box (1) is provided with cyclone (4), cyclone (4) with the bottom of analysis sieve (2) is linked together, box (1) inside is equipped with dust catcher (11) that are used for absorbing the dust, a serial communication port, apron (3) orientation apron (3) one side rigid coupling has a plurality of fixed plates (31), fixed plate (31) set up the edge of apron (3) and around the centre of a circle equidistance setting of apron (3), the rigid coupling has a plurality of fixed blocks (21) on the lateral wall of analysis sieve (2), set up on the lateral wall of fixed plate (31) and be used for the joint groove (311) of fixed block (21).

2. The negative pressure screen analysis instrument according to claim 1, wherein a plurality of supporting springs (22) are fixedly connected to the side wall of the side, away from the box body (1), of the fixed block (21), and one end, away from the fixed block (21), of each supporting spring (22) is fixedly connected with the same abutting plate (23).

3. The negative pressure screen analysis instrument according to claim 2, characterized in that an inner groove (3111) for clamping the contact plate (23) is provided on the side wall of the clamping groove (311).

4. A negative pressure screen analysis apparatus according to claim 3, characterized in that the length of the supporting spring (22) on the side close to the bottom of the clamping groove (311) is smaller than the length of the supporting spring (22) on the side far from the bottom of the clamping groove (311).

5. The negative pressure screen analysis instrument according to claim 1, wherein the lower end of the cyclone cylinder (4) is fixed and communicated with a dust collecting box (5), a valve (51) is arranged on the side wall of the dust collecting box (5) far away from one side of the box body (1), a dust collecting plate (52) for receiving falling particles in the cyclone cylinder (4) is arranged at the bottom of the dust collecting box (5), and one side of the dust collecting plate (52) close to the valve (51) is inclined downwards.

6. The negative pressure screen analysis instrument according to claim 5, wherein the dust collecting plate (52) is hinged to the dust collecting box (5) near one end of the valve (51), a plurality of vibrating springs (53) are fixedly connected between the bottom of the dust collecting box (5) and the dust collecting box (5), and a vibrating assembly (54) for driving the dust collecting plate (52) to vibrate is arranged on the dust collecting box (5).

7. A negative pressure screen analysis meter according to claim 6, wherein the vibration assembly (54) comprises a rotating rod (541), the rotating rod (541) is rotatably connected to a side wall of the ash collecting box (5) on one side far away from the valve (51), one end of the rotating rod (541) is arranged outside the ash collecting box (5), the other end of the rotating rod (541) is arranged in the ash collecting box (5), three supporting rods (542) are fixedly connected to an end side wall of one end of the rotating rod (541) arranged in the ash collecting box (5), the supporting rods (542) are equidistantly arranged around an axis of the rotating rod (541), and one end of the supporting rod (542) far away from the rotating rod (541) is abutted to the upper surface of the dust collecting plate (52).

8. The negative pressure screen analyzer of claim 7, wherein the side wall of the dust collection box (5) is provided with an observation window (543) for observing the dust collecting plate (52).