CN212514153U

CN212514153U - Building supervision site dust measuring device

Info

Publication number: CN212514153U
Application number: CN202021386288.8U
Authority: CN
Inventors: 涂山海
Original assignee: Sichuan Yuanfeng Construction Project Management Co ltd
Current assignee: Sichuan Yuanfeng Construction Project Management Co ltd
Priority date: 2020-07-14
Filing date: 2020-07-14
Publication date: 2021-02-09
Anticipated expiration: 2030-07-14

Abstract

The utility model relates to a building is managed on-spot dust survey device belongs to dust survey technical field, including the dust collection box, be provided with on the dust collection box and be used for the inspiratory conveyer pipe of dust, be provided with the detecting head that is used for surveying dust concentration in the conveyer pipe, the intercommunication is provided with the clearance box on the conveyer pipe, the slip is provided with the backup pad in the clearance box, the backup pad orientation is close to or keeps away from the direction slip of detecting head, be provided with the clearance piece that is used for clearing up the detecting head in the backup pad, be provided with in the clearance box and be used for driving the gliding. Through the direction slip of first driving piece drive backup pad orientation near the detecting head, clear up the detecting head under the effect of clearance piece, make the dust of attaching to on the detecting head break away from the detecting head to the measurement accuracy of dust concentration has been improved to the detecting head.

Description

Building supervision site dust measuring device

Technical Field

The application relates to the technical field of dust measurement, in particular to a building supervision field dust measurement device.

Background

In the field of building construction, dust particles are an important index for evaluating safety factors, and the index is used for ensuring the safety of constructors and preventing building materials from being polluted; therefore, the dust measurement on the building site is very important in the field of building, the dust has great harm to human bodies, alveolus is easily captured by nasal cavities to cause damage to human health, and therefore a dust measurement device is needed to measure the concentration of the dust.

The device for measuring the dust on the building supervision site, disclosed in the Chinese patent with the publication number of CN208846030U, comprises a supporting plate, wherein a dust collecting box is movably connected inside the supporting plate, a dust collecting pump is fixedly connected to the top of the dust collecting box, a connecting pipe is fixedly connected to the top of the dust collecting pump, a discharge port is fixedly connected to the bottom of the dust collecting pump in the dust collecting box, suction ports are fixedly connected to the tops of two sides of the connecting pipe, a laser measuring device is fixedly connected to the top of each suction port, and a detecting head is fixedly connected to the bottom. When the dust collector is used, the dust suction pump is started, dust enters the suction inlet under the action of the dust suction pump, and the concentration of the dust entering the suction inlet can be measured through the detection head.

In view of the above-described related art, the inventors consider that dust adheres to the probe after the probe is used for a long time, thereby affecting the measurement accuracy of the dust concentration.

SUMMERY OF THE UTILITY MODEL

For the measurement accuracy who improves dust concentration, this application provides a building supervision on-the-spot dust survey device.

The application provides a building supervision on-site dust survey device adopts following technical scheme:

the utility model provides a building supervision on-site dust survey device, includes the dust collection box, be provided with on the dust collection box and be used for the inspiratory conveyer pipe of dust, be provided with the detecting head that is used for surveying dust concentration in the conveyer pipe, the intercommunication is provided with the clearance box on the conveyer pipe, the slip is provided with the backup pad in the clearance box, the backup pad orientation is close to or keeps away from the direction slip of detecting head, be provided with the clearance piece that is used for clearing up the detecting head in the backup pad, be provided with on the clearance box and be used for driving the gliding first driving piece of backup pad.

Through adopting above-mentioned technical scheme, slide towards the direction that is close to the detecting head through first driving piece drive backup pad, clear up the detecting head under the effect of clearance piece, make the dust of attaching to on the detecting head break away from the detecting head to the measurement accuracy of dust concentration has been improved to the detecting head.

Preferably, the cleaning member comprises a sponge block arranged on the supporting plate, a placing groove for placing the detecting head to move in is formed in the sponge block, and the sponge block can be attached to the detecting head. The sponge block is arranged in the cleaning box, and can prevent external dust from polluting the sponge block, so that the cleaning effect of the sponge block on the detecting head is improved, and the measuring precision of the detecting head on the dust concentration is further improved.

Through adopting above-mentioned technical scheme, order about the sponge piece and be close to the detecting head under the effect of first driving piece to make in the entering standing groove of detecting head relative motion, under the effect of sponge strip to the scraping of detecting head outer wall, make the dust of attaching to on the detecting head outer wall break away from the detecting head, thereby improved the precision of detecting head to dust concentration measurement. The sponge piece can be laminated with the detecting head, and the scraping effect of the sponge piece on the outer wall of the detecting head is further improved, so that the measuring precision of the detecting head on the dust concentration is further improved. The sponge block has the characteristic of softness, can not damage the detecting head when cleaning the detecting head, and plays a certain role in protecting the detecting head.

Preferably, a turntable is rotatably arranged on the supporting plate, the rotating axis of the turntable is coaxial with the central axis of the placing groove, the sponge block is arranged on the turntable, and a micro motor for driving the turntable to rotate is arranged on the supporting plate.

Through adopting above-mentioned technical scheme, when clearing up the detecting head, start micro motor, micro motor drive carousel rotates, and the carousel drives the sponge piece and rotates to improve the clearance effect to the detecting head, further improved the measuring accuracy of detecting head to dust concentration.

Preferably, the first driving part comprises an electric push rod arranged on the bottom wall of the cleaning box, the supporting plate is fixedly arranged on an output rod of the electric push rod, and the length direction of the output rod of the electric push rod is parallel to the sliding direction of the supporting plate.

Through adopting above-mentioned technical scheme, start electric putter, electric putter drives the backup pad and slides to in making the entering standing groove of detecting head relative motion, realize the clearance to the detecting head, it is simple and direct practical to operate.

Preferably, the clearance box is gone up to rotate and is provided with the axis of rotation, the axis of rotation perpendicular to carousel of axis of rotation, the fixed two shroudings that are used for sealing or open clearance box open-ended that are provided with in the axis of rotation, be provided with in the axis of rotation and make shrouding and clearance box decide the piece that resets that the wall flushes.

Through adopting above-mentioned technical scheme, when measuring dust concentration, the shrouding seals the clearance box to prevent that the dust from getting into the clearance box and causing the pollution to the sponge piece, thereby improved the clearance effect of sponge piece to the detecting head, further improved the measurement accuracy of detecting head to dust concentration. When clearing up the detecting head, start electric putter, electric putter orders about the carousel and slides to make sponge butt shrouding clear up the detecting head with the roof-open shrouding, after finishing clearing up the detecting head, order about the sponge piece on the carousel through electric putter and return to the clearance box in, the shrouding is under the effect that resets, and two shroudings resume to horizontal position and flush with clearance box top wall, need not the position of staff secondary control shrouding, use manpower sparingly.

Preferably, the piece that resets establishes the epaxial torsional spring in the axis of rotation including the cover, the one end setting of torsional spring is on the shrouding, and the other end setting is on the clearance box.

Through adopting above-mentioned technical scheme, the torsional spring orders about the shrouding and has the motion trend that resumes primary position, and consequently the torsional spring of cover on the shrouding makes the shrouding automatic recovery to the position that flushes with clearance box top wall, need not the staff and adjusts the position of shrouding, has the advantage that alleviates staff's amount of labour.

Preferably, a cross block is arranged on the surface, close to the rotating disc, of the sponge block, a clamping groove for clamping the cross block is formed in the rotating disc, an opening for moving the sponge block out is formed in the side wall of the cleaning box, a cover plate for closing or opening the opening is arranged on the cleaning box in a rotating mode, and a limiting piece for limiting the rotation of the cover plate is arranged on the cleaning box.

Through adopting above-mentioned technical scheme, thereby rotate the apron and open the opening to thereby change the sponge piece in the clearance box, the sponge piece after changing has the clearance effect that further improves the detecting head, thereby has improved the measurement accuracy of detecting head to dust concentration. The sponge and the turntable are clamped with the clamping groove through the cross block so as to facilitate the disassembly and assembly of the sponge block by workers. The limiting piece limits the rotation of the cover plate to prevent the cover plate from being opened under the condition of no need, so that the opening is opened, and the sponge block is protected to a certain extent. The cross block can prevent the sponge block and the turntable from rotating relatively, and further improves the cleaning effect of the probe.

Preferably, the limiting piece comprises a stop lever rotatably arranged on the cleaning box, a convex block is arranged on the cover plate, and a groove for the stop lever to move in and be clamped is formed in the convex block.

Through adopting above-mentioned technical scheme, when needing to open the opening, rotate the pin, make the pin break away from the draw-in groove to rotate the apron in order to open the opening, easy operation. When the opening needs to be closed, the cover plate is rotated to enable the cover plate to close the opening, and then the stop lever is rotated to enable the stop lever to be clamped in the clamping groove, so that the cover plate is relatively fixed to the closed opening, and the fixing effect is good and practical. The convex block can prevent the stop lever from carelessly rotating to separate the stop lever from the clamping groove, thereby improving the fixing effect of the stop lever.

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

1. the first driving piece drives the supporting plate to slide towards the direction close to the detecting head, the detecting head is cleaned under the action of the cleaning piece, and dust attached to the detecting head is separated from the detecting head, so that the measurement accuracy of the detecting head on the dust concentration is improved;

2. order about the sponge piece and be close to the detecting head under the effect of first driving piece to make the entering standing groove of detecting head relative motion in, under the effect of sponge strip to the scraping of detecting head outer wall, make the dust of attaching to on the detecting head outer wall break away from the detecting head, thereby improved the precision of detecting head to dust concentration measurement. The sponge piece can be laminated with the detecting head, and the scraping effect of the sponge piece on the outer wall of the detecting head is further improved, so that the measuring precision of the detecting head on the dust concentration is further improved. The sponge block has the characteristic of softness, the probe can not be damaged when the probe is cleaned, and the probe is protected to a certain extent;

3. when the detection head is cleaned, the micro motor is started, the micro motor drives the turntable to rotate, and the turntable drives the sponge block to rotate, so that the cleaning effect of the detection head is improved, and the measurement precision of the detection head on the dust concentration is further improved.

Drawings

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

FIG. 2 is a partial cross-sectional view of the cleaning box and the delivery tube of the present application, showing the internal structure of the cleaning box;

FIG. 3 is an enlarged schematic view of portion A of FIG. 2;

FIG. 4 is an enlarged schematic view of portion B of FIG. 2;

fig. 5 is an exploded view of a sponge block and a turntable in accordance with the present application.

Description of reference numerals: 1. a dust collecting box; 2. a delivery pipe; 3. a probe head; 4. cleaning the box; 5. a support plate; 6. a sponge block; 7. a placement groove; 8. a turntable; 9. a micro motor; 10. an electric push rod; 11. a rotating shaft; 12. closing the plate; 13. a torsion spring; 14. a cross block; 15. a clamping groove; 16. an opening; 17. a cover plate; 18. a stop lever; 19. a bump; 20. a groove; 21. a dust suction pump.

Detailed Description

The present application is described in further detail below with reference to the attached drawings.

The embodiment of the application discloses on-spot dust survey device of building supervision. Referring to fig. 1 and 2, including dust collection box 1, be provided with dust absorption pump 21 on the dust collection box 1, fixedly connected with is used for the inspiratory conveyer pipe 2 of dust on the dust absorption pump 21, be provided with the detecting head 3 that is used for surveying dust concentration in the conveyer pipe 2, the intercommunication is provided with clearance box 4 on the conveyer pipe, it is provided with backup pad 5 to slide in clearance box 4, backup pad 5 slides towards the direction that is close to or keeps away from detecting head 3, be provided with the clearance piece that is used for clearing up detecting head 3 on the backup pad 5, the clearance piece is including setting up the sponge piece 6 in backup pad 5, set up the standing groove 7 that supplies to put detecting head 3 and move into on the sponge piece 6, sponge piece 6 can.

Referring to fig. 2, a first driving member for driving the supporting plate 5 to slide is arranged in the cleaning box 4, the first driving member includes an electric push rod 10 arranged on the bottom wall of the cleaning box 4, the supporting plate 5 is fixedly arranged on an output rod of the electric push rod 10, and the length direction of the output rod of the electric push rod 10 is parallel to the sliding direction of the supporting plate 5.

When clearing up detecting head 3, start electric putter 10, electric putter 10 orders about carousel 8 orientation and is close to the direction slip of detecting head 3 to make in detecting head 3 relative movement's the standing groove 7 that moves into, thereby clear up detecting head 3.

Referring to fig. 2, in order to improve the cleaning effect of the probe 3, a turntable 8 is rotatably arranged on the supporting plate 5, the rotating shaft 11 line of the turntable 8 is coaxial with the central axis of the placing groove 7, the sponge block 6 is arranged on the turntable 8, and a micro motor 9 for driving the turntable 8 to rotate is arranged on the supporting plate 5.

After the detecting head 3 moves into the placing groove 7, the micro motor 9 is started, the micro motor 9 drives the turntable 8 to rotate, so that the sponge block 6 is driven to rotate to clean the detecting head 3, and the cleaning effect on the detecting head 3 is improved.

Referring to fig. 2 and 3, in order to avoid the dust to get into clearance box 4, it is provided with axis of rotation 11 to rotate on

clearance box

4, 11 line of axis of rotation 11 perpendicular to carousel 8's 11 lines of axis of rotation, the fixed two shrouding 12 that are used for sealing or opening 4 openings of clearance box that are provided with on the axis of rotation 11, be provided with on the axis of rotation 11 and make shrouding 12 and clearance box 4 decide the piece that resets that the wall flushes, the piece that resets is established including the cover and is established torsional spring 13 on axis of rotation 11, torsional spring 13's one end sets up on shrouding 12, the other end sets.

When carrying out concentration measurement to the dust, shrouding 12 flushes with the roof of clearance box 4 all the time under torsional spring 13's effect to prevent that the dust from getting into to cause the pollution to sponge piece 6 in the clearance box 4.

When clearing up detecting head 3, start electric putter 10, electric putter 10 drive carousel 8 orientation slides near the direction of detecting head 3 to make 6 backs down shrouding 12 of sponge piece, torsional spring 13 is in compression state this moment, after finishing to the clearing up of detecting head 3, shrouding 12 automatic recovery under torsional spring 13's effect to with the position that flushes of 4 roof of clearance box, need not the staff and adjust the position of shrouding 12, alleviateed staff's the amount of labour.

Referring to fig. 2 and 4, in order to facilitate replacement of the sponge block 6 in the cleaning box 4, an opening 16 for moving out the sponge block 6 is formed in a side wall of the cleaning box 4, a cover plate 17 for closing or opening the opening 16 is rotatably arranged on the cleaning box 4, a limiting member for limiting rotation of the cover plate 17 is arranged on the cleaning box 4, the limiting member comprises a stop lever 18 rotatably arranged on the cleaning box 4, a convex block 19 is arranged on the cover plate 17, and a groove 20 for moving in and clamping the stop lever is formed in the convex block 19.

When the sponge block 6 is replaced, the stopper bar 18 is rotated to disengage the stopper bar 18 from the groove 20, and the cover plate 17 is rotated to open the opening 16, thereby removing the sponge block 6. After the sponge block 6 is replaced, the cover plate 17 is rotated to enable the cover plate 17 to close the opening 16, and then the stop lever 18 is rotated to enable the stop lever 18 to be clamped into the groove 20, so that the cover plate 17 is fixedly fixed on the cleaning box 4.

Referring to fig. 5, in order to facilitate the detachment of the sponge block 6, a cross block 14 is arranged on the surface of the sponge block 6 close to the turntable 8, and a clamping groove 15 for clamping the cross block 14 is formed in the turntable 8.

When the sponge block 6 is replaced, the sponge block 6 is taken out from the cross groove. Is simple and quick.

The implementation principle of the building supervision site dust measuring device in the embodiment of the application is as follows:

when clearing up detecting head 3, at first start electric putter 10, electric putter 10 drive carousel 8 slides to drive the motion of sponge piece 6 in order to push up and open shrouding 12, and then make in the entering standing groove 7 of 3 relative sliding of detecting head, start micro motor 9 afterwards, micro motor 9 drive carousel 8 rotates, thereby drive the clearance of 6 pivoted of sponge piece to detecting head 3, improved the clearance effect to detecting head 3.

After finishing the clearance to detecting head 3, close micro motor 9, start electric putter 10, electric putter 10 drives the direction slip of carousel 8 towards clearance box 4, and in sponge piece 6 got into clearance box 4, shrouding 12 resumes the position that flushes with clearance box 4 roof under the effect of torsional spring 13.

When it is desired to replace the probe 3, the stop lever 18 is rotated to disengage the stop lever 18 from the notch 20, thereby rotating the cover plate 17 to open the opening 16, and then the sponge block 6 is removed and the replacement is completed. After the sponge block 6 is replaced, the cover plate 17 is rotated to enable the cover plate 17 to close the opening 16, and then the stop lever 18 is rotated to enable the stop lever 18 to be clamped into the groove 20, so that the cover plate 17 can be relatively fixed to close the opening 16.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a building supervision on-site dust survey device, includes dust collection box (1), its characterized in that: be provided with on dust collection box (1) and be used for the inspiratory conveyer pipe of dust (2), be provided with in conveyer pipe (2) and be used for surveying detecting head (3) of dust concentration, the intercommunication is provided with clearance box (4) on conveyer pipe (2), it is provided with backup pad (5) to slide in clearance box (4), backup pad (5) are towards the direction slip that is close to or keeps away from detecting head (3), be provided with the clearance piece that is used for clearance detecting head (3) on backup pad (5), be provided with in clearance box (4) and be used for driving the gliding first driving piece of backup pad (5).

2. The building supervision site dust measuring device according to claim 1, characterized in that: the cleaning piece comprises a sponge block (6) arranged on a supporting plate (5), a placing groove (7) for placing the detecting head (3) to move in is formed in the sponge block (6), and the sponge block (6) can be attached to the detecting head (3).

3. A building supervision site dust measuring apparatus according to claim 2, characterized in that: the rotary table is characterized in that a rotary table (8) is arranged on the supporting plate (5) in a rotating mode, a rotating shaft (11) line of the rotary table (8) is arranged coaxially with the central axis of the placing groove (7), the sponge block (6) is arranged on the rotary table (8), and a micro motor (9) used for driving the rotary table (8) to rotate is arranged on the supporting plate (5).

4. The building supervision site dust measuring device according to claim 1, characterized in that: the first driving piece comprises an electric push rod (10) arranged on the bottom wall of the cleaning box (4), the supporting plate (5) is fixedly arranged on an output rod of the electric push rod (10), and the length direction of the output rod of the electric push rod (10) is parallel to the sliding direction of the supporting plate (5).

5. The building supervision site dust measuring device according to claim 4, characterized in that: the cleaning box is characterized in that a rotating shaft (11) is arranged on the cleaning box (4) in a rotating mode, the rotating shaft (11) line of the rotating shaft (11) is perpendicular to the rotating shaft (11) line of the rotating disc (8), two sealing plates (12) used for sealing or opening openings of the cleaning box (4) are fixedly arranged on the rotating shaft (11), and a reset piece enabling the sealing plates (12) to be flush with the cleaning box (4) in a wall fixing mode is arranged on the rotating shaft (11).

6. The building supervision site dust measuring device according to claim 5, characterized in that: the piece that resets establishes torsional spring (13) on axis of rotation (11) including the cover, the one end setting of torsional spring (13) is on shrouding (12), and the other end setting is on clearance box (4).

7. A building supervision site dust measuring apparatus according to claim 2, characterized in that: the sponge piece (6) is provided with cross piece (14) on being close to the face of carousel (8), set up joint groove (15) that supply cross piece (14) joint on carousel (8), set up opening (16) that supply sponge piece (6) to shift out on the lateral wall of clearance box (4), it is provided with apron (17) of closing or opening (16) to rotate on clearance box (4), be provided with on clearance box (4) and prescribe a limit to apron (17) pivoted prescribing a limit to.

8. The building supervision site dust measuring device according to claim 7, characterized in that: the limiting piece comprises a stop lever (18) rotatably arranged on the cleaning box (4), a convex block (19) is arranged on the cover plate (17), and a groove (20) for the stop lever to move in and be clamped is formed in the convex block (19).