CN214251674U

CN214251674U - Continuous powder sampler

Info

Publication number: CN214251674U
Application number: CN202120327678.6U
Authority: CN
Inventors: 于明星; 徐晓倩; 吕东雷
Original assignee: Qingdao Shengda Concrete Engineering Co ltd
Current assignee: Qingdao Shengda Concrete Engineering Co ltd
Priority date: 2021-02-05
Filing date: 2021-02-05
Publication date: 2021-09-21
Anticipated expiration: 2031-02-05

Abstract

The utility model relates to a continuous powder sampler, belong to the sampler field, including the inlet pipe, inlet pipe downside fixedly connected with connecting pipe, the connecting pipe communicates in the inlet pipe, connecting pipe fixedly connected with valve, the connecting pipe lower extreme is provided with the sampling tube, a plurality of funnels of fixedly connected with in the sampling tube, all funnels set up along sampling tube length direction array, the equal sliding connection of all funnel position departments of sampling tube correspondence has the slide bar, all slide bars all slide along perpendicular sampling tube length direction, all slide bars correspond the equal fixedly connected with separation blade of funnel below position department, all slide bars all overlap and are equipped with the spring, the equal fixed connection in sampling tube of all spring one ends, the equal fixed connection of all spring other ends is kept away from spring one end in the slide bar, the separation blade covers the funnel export under the spring natural state. The application has the effect of real-time continuous sampling in the powder pumping process.

Description

Continuous powder sampler

Technical Field

The application relates to the field of samplers, in particular to a continuous powder sampler.

Background

At present, the mixing of concrete is usually carried out at a concrete mixing plant, and powder required by the concrete is usually pumped into a powder bin in a closed manner by using a tank truck and a pipeline during feeding.

In the prior art, a powder sampler is disclosed in chinese utility model patent document No. CN208653859U, which includes: the sleeve pipe is closed at one end, and the pipe wall of the sleeve pipe close to the closed end is provided with at least one communicating hole; and the sampling tube is inserted in the sleeve tube and partially exposed, a sampling hole is formed in the tube wall of the sampling tube corresponding to the communication hole, the sampling hole and the communication hole can be aligned or staggered by rotating the part of the sampling tube exposed out of the sleeve, and a material taking space for containing powder is formed on the sampling tube close to the sampling hole. The utility model discloses solved effectively and be difficult to extract the problem of powder tank car middle part and bottom powder for the powder sample that takes out is representative, reduces the possibility that the producer makeed false simultaneously.

Aiming at the related technologies, the inventor thinks that the handheld powder sampler needs a tester to climb onto a tank car for sampling, and the tank car cannot start pumping at the moment in order to ensure the safety of the tester, and cannot sample in real time in the process of powder pumping.

SUMMERY OF THE UTILITY MODEL

In order to enable real-time continuous sampling during powder pumping, the present application provides a continuous powder sampler.

The application provides a continuous powder sampler adopts following technical scheme:

the utility model provides a continuous powder sampler, including the inlet pipe, inlet pipe downside fixedly connected with connecting pipe, the connecting pipe communicates in the inlet pipe, connecting pipe fixedly connected with valve, the connecting pipe lower extreme is provided with the sampling tube, a plurality of funnels of fixedly connected with in the sampling tube, all funnels set up along sampling tube length direction array, the equal sliding connection of all funnel position departments of sampling tube correspondence has the slide bar, all slide bars all slide along perpendicular sampling tube length direction, all slide bars correspond the equal fixedly connected with separation blade of funnel below position department, all slide bars all overlap and are equipped with the spring, the equal fixed connection in sampling tube of all spring one ends, the equal fixed connection in the slide bar of all spring other ends keeps away from spring one end, the separation blade covers the funnel export under the spring natural state.

Through adopting above-mentioned scheme, when needs were to the powder sample, open the valve of connecting pipe, the powder passes through the connecting pipe from the inlet pipe and enters into in the sample tube, and the valve is closed after filling up to the funnel that is close to the connecting pipe, and from the top down stimulates the slide bar in proper order and removes the separation blade, releases the powder to the lower part funnel from the upper portion funnel and stores. When the sampling is needed again, the steps are repeated, the second funnel of the sampling tube far away from one end of the connecting tube is filled, the operation is repeated until all the funnels of the sampling tube are filled, and the whole process of continuous sampling is completed.

Preferably, the sampling tube is screwed to the connection tube.

Through adopting above-mentioned scheme, threaded connection's mode is convenient for the convenient sampling tube of taking off of testing personnel after the sample is accomplished, takes the sampling tube back to the laboratory and detects inside powder, and testing personnel prepares the sample of next batch of powder to connecting pipe installation next sampling tube.

Preferably, all funnels are kept away from equal fixedly connected with sealing washer of connecting pipe one end, and the separation blade can the butt in the sealing washer.

By adopting the above scheme, sealing washer butt is close to funnel one side in the separation blade, reduces the powder and follows the probability that the gap was revealed between funnel and the separation blade, reduces the probability that the sample in the different funnels mixes each other, improves the accuracy of sample.

Preferably, all separation blades are kept away from a plurality of guide posts of equal fixedly connected with in slide bar one side, and all guide posts all sliding connection in sampling tube, all guide posts all slide along slide bar length direction.

By adopting the scheme, in the sliding process of the blocking piece, the blocking piece is limited by the guide post to move only along the length direction of the sliding rod, the probability that the blocking piece rotates along the circumferential direction of the sliding rod is reduced, and the probability that the funnel cannot be normally opened and closed due to the fact that the blocking piece rotates in the moving process is reduced.

Preferably, logical groove has been seted up on the sampling tube surface, leads to the groove and sets up along sampling tube length direction, leads to the groove and gets through the sampling tube and keep away from connecting pipe one end, and the sampling tube corresponds logical groove position department and is provided with the observation board that transparent material made, and the observation board covers logical groove setting.

Through adopting above-mentioned scheme, at the in-process of sample blowing, the sampling condition of each funnel is observed through the observation board to the measurement personnel in real time, and then the valve of timely switching connecting pipe and the separation blade that each funnel of switching corresponds.

Preferably, observe board sliding connection in leading to the inslot, observe the board and slide along leading to groove length direction, observe the board and can follow logical groove and keep away from connecting pipe one end roll-off.

Through adopting above-mentioned scheme, after accomplishing the powder sample detection, the staff will observe the board and follow logical inslot roll-off, through leading to the groove in the remaining powder of each funnel of clearance, reduce the probability that remaining powder takes place the caking in the sampling tube.

Preferably, the inlet pipe one end threaded connection is kept away from to the sampling tube has the bottom, and the bottom covers the sampling tube cross-section, and the connecting pipe one end can the butt in the bottom is kept away from to the observation board.

Through adopting above-mentioned scheme, after the sample tube was brought back to the laboratory, testing personnel took off the bottom, released the sample in each funnel in proper order through slide bar and separation blade, and the connecting pipe one end was kept away from in the observation board to bottom butt simultaneously, reduces the probability of observing the unexpected roll-off of board from leading to the inslot.

Preferably, one side of the bottom cover, which is far away from the feeding pipe, is fixedly connected with a handle.

Through adopting above-mentioned scheme, in the handling of sampling tube, the staff of being convenient for to the body application of force of handle, the staff of being convenient for simultaneously reduces the not hard up probability of bottom behind the tightening bottom to the bottom application of force of bottom in the in-process of dismouting bottom.

In conclusion, the invention has the following beneficial effects:

1. the whole funnel of the sampling tube is filled through the matching operation of the valve and the baffle plate, and the whole process of continuous sampling is completed under the condition of not interrupting powder pumping;

2. after sampling is finished, the sampling pipe is conveniently and rapidly taken down by a detection person in a threaded connection mode, and the sampling pipe is taken back to a laboratory to detect the powder inside;

3. after the powder sample is detected, the staff can observe the plate to slide out of the through grooves, and clean the residual powder of each funnel through the through grooves, so that the probability of caking of the residual powder in the sampling pipe is reduced.

Drawings

FIG. 1 is a schematic diagram of a continuous powder sampler according to an embodiment of the present application;

FIG. 2 is a sectional view of a continuous powder sampler according to an embodiment of the present application.

Description of reference numerals: 1. a feed pipe; 11. a connecting pipe; 111. a valve; 2. a sampling tube; 21. a funnel; 211. a seal ring; 22. a baffle plate; 221. a slide bar; 2211. a spring; 222. a guide post; 23. a through groove; 231. an observation plate; 24. a bottom cover; 241. a handle.

Detailed Description

The present application is described in further detail below with reference to figures 1 and 2.

The embodiment of the application discloses continuous powder sampler. Referring to fig. 1 and 2, including inlet pipe 1, 1 downside fixedly connected with connecting pipe 11 of inlet pipe, connecting pipe 11 communicates in inlet pipe 1, and connecting pipe 11 fixedly connected with valve 111, connecting pipe 11 lower part threaded connection has sampling tube 2.

Referring to fig. 1 and 2, a plurality of funnels 21 are fixedly connected in a sampling tube 2, all funnels 21 are arranged in an array along the length direction of the sampling tube 2, the lower parts of all funnels 21 are fixedly connected with sealing rings 211, the positions of the sampling tube 2 corresponding to all funnels 21 are slidably connected with slide bars 221, all slide bars 221 slide along the length direction perpendicular to the sampling tube 2, the positions of all slide bars 221 corresponding to the lower parts of the funnels 21 are fixedly connected with blocking pieces 22, the blocking pieces 22 can abut against the sealing rings 211, all the slide bars 221 are sleeved with springs 2211, one ends of all the springs 2211 are fixedly connected to the sampling tube 2, the other ends of all the springs 2211 are fixedly connected to the ends of the slide bars 221, which are far away from the springs 2211, the blocking pieces 22 abut against the sealing rings 211 in a natural state of the springs 2211, one sides of all the blocking pieces 22, which are far away from the slide bars 221, are fixedly connected with a plurality of guide columns 222, all the guide columns 222 are slidably connected to the sampling tube 2, all the guide posts 222 slide along the length of the slide bar 221. When powder needs to be sampled, the valve 111 of the connecting pipe 11 is opened, the powder enters the sampling pipe 2 from the feeding pipe 1 through the connecting pipe 11, the valve 111 is closed after the hopper 21 close to the connecting pipe 11 is filled, the sliding rod 221 is pulled from top to bottom in sequence to move the blocking piece 22, and the powder is released from the upper hopper 21 to the lower hopper 21 for storage. When the sampling is needed again, the steps are repeated, the second funnel 21 at the end of the sampling tube 2 far away from the connecting tube 11 is filled, the operation is repeated until all the funnels 21 of the sampling tube 2 are filled, and the whole process of continuous sampling is completed under the condition that the powder pumping is not interrupted. The sealing ring 211 is abutted to one side of the blocking piece 22 close to the funnel 21, so that the probability that powder leaks from a gap between the funnel 21 and the blocking piece 22 is reduced, the probability that samples in different funnels 21 are mixed with each other is reduced, and the sampling accuracy is improved.

Referring to fig. 1 and 2, logical groove 23 has been seted up on sampling tube 2 surface, lead to groove 23 and get through sampling tube 2 and keep away from connecting pipe 11 one end, lead to groove 23 and set up along 2 length direction of sampling tube, it has observation board 231 that transparent material made to lead to sliding connection in groove 23, observation board 231 covers and leads to the groove 23 setting, observation board 231 slides along leading to groove 23 length direction, observation board 231 can be followed and lead to groove 23 and keep away from 11 one end roll-offs of connecting pipe. In the process of sampling and discharging, the inspector observes the sampling condition of each funnel 21 in real time through the observation plate 231, and then opens and closes the valve 111 of the connecting pipe 11 and opens and closes the blocking piece 22 corresponding to each funnel 21 in time. After the powder sample is detected, the operator slides the observation plate 231 out of the through groove 23, and cleans the powder remained in each hopper 21 through the through groove 23, so that the probability of caking of the remained powder in the sampling tube 2 is reduced.

Referring to fig. 1 and 2, a bottom cover 24 is screwed to an end of the sampling tube 2 away from the feeding tube 1, the bottom cover 24 covers a cross section of the sampling tube 2, an end of the observation plate 231 away from the connection tube 11 can abut against the bottom cover 24, and a handle 241 is fixedly connected to one side of the bottom cover 24 away from the feeding tube 1. After the sampling tube 2 is taken back to the laboratory, the tester takes down the bottom cover 24, sequentially releases the samples in the funnels 21 through the sliding rods 221 and the retaining pieces 22, and simultaneously, the bottom cover 24 is abutted against one end of the observation plate 231, which is far away from the connecting tube 11, so that the probability that the observation plate 231 accidentally slides out of the through groove 23 is reduced. In the carrying process of the sampling tube 2, the handle 241 facilitates force application of workers to the tube body, and simultaneously facilitates force application of workers to the bottom cover 24 in the process of disassembling and assembling the bottom cover 24, so that the probability of loosening of the bottom cover 24 after the bottom cover 24 is screwed down is reduced.

The implementation principle of the continuous powder sampler in the embodiment of the application is as follows: when powder needs to be sampled, the valve 111 of the connecting pipe 11 is opened, the powder enters the sampling pipe 2 from the feeding pipe 1 through the connecting pipe 11, the valve 111 is closed after the hopper 21 close to the connecting pipe 11 is filled, the sliding rod 221 is pulled from top to bottom in sequence to move the blocking piece 22, and the powder is released from the upper hopper 21 to the lower hopper 21 for storage. In the process of sampling and discharging, the inspector observes the sampling condition of each funnel 21 in real time through the observation plate 231, and then opens and closes the valve 111 of the connecting pipe 11 and opens and closes the blocking piece 22 corresponding to each funnel 21 in time.

When the sampling is needed again, the steps are repeated, the second funnel 21 at the end of the sampling tube 2 far away from the connecting tube 11 is filled, the operation is repeated until all the funnels 21 of the sampling tube 2 are filled, and the whole process of continuous sampling is completed under the condition that the powder pumping is not interrupted.

Threaded connection's mode is convenient for that the testing personnel is convenient after the sample is accomplished takes off sampling tube 2, takes sampling tube 2 back to the laboratory and detects inside powder, and testing personnel prepares the sample of next batch powder to connecting pipe 11 installation next sampling tube 2.

After the sampling tube 2 is brought back to the laboratory, the tester takes down the bottom cover 24, the samples in the funnels 21 are sequentially released through the slide rods 221 and the retaining pieces 22, after the powder samples are tested, the worker slides the observation plate 231 out of the through grooves 23, the residual powder in the funnels 21 is cleaned through the through grooves 23, and the probability of caking of the residual powder in the sampling tube 2 is reduced.

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. A continuous powder sampler, comprising a feed pipe (1), characterized in that: the device comprises a feeding pipe (1), a connecting pipe (11) fixedly connected to the lower side of the feeding pipe (1), the connecting pipe (11) is communicated with the feeding pipe (1), a valve (111) is fixedly connected to the connecting pipe (11), a sampling pipe (2) is arranged at the lower end of the connecting pipe (11), a plurality of funnels (21) are fixedly connected to the sampling pipe (2), all the funnels (21) are arranged in an array along the length direction of the sampling pipe (2), sliding rods (221) are slidably connected to positions of the sampling pipe (2) corresponding to all the funnels (21), all the sliding rods (221) slide along the length direction perpendicular to the sampling pipe (2), retaining pieces (22) are fixedly connected to positions of all the sliding rods (221) corresponding to the lower portions of the funnels (21), springs (2211) are sleeved on all the sliding rods (221), one ends of all the springs (2211) are fixedly connected to the sampling pipe (2), the other ends of all the springs (2211) are fixedly connected to one ends of the sliding rods (221) far away from the springs (2211), the stop piece (22) covers the outlet of the funnel (21) under the natural state of the spring (2211).

2. A continuous powder sampler as claimed in claim 1, wherein: the sampling tube (2) is connected with the connecting tube (11) in a threaded manner.

3. A continuous powder sampler as claimed in claim 1, wherein: all funnels (21) keep away from equal fixedly connected with sealing washer (211) of connecting pipe (11) one end, separation blade (22) can butt in sealing washer (211).

4. A continuous powder sampler as claimed in claim 1, wherein: all separation blades (22) are kept away from slide bar (221) one side and all fixedly connected with a plurality of guide posts (222), all guide posts (222) all sliding connection in sampling tube (2), all guide posts (222) all slide along slide bar (221) length direction.

5. A continuous powder sampler as claimed in claim 1, wherein: leading to groove (23) has been seted up on sampling tube (2) surface, leads to groove (23) and sets up along sampling tube (2) length direction, leads to groove (23) and gets through sampling tube (2) and keep away from connecting pipe (11) one end, and sampling tube (2) correspond logical groove (23) position department and are provided with observation board (231) that transparent material made, and observation board (231) cover leads to groove (23) and sets up.

6. A continuous powder sampler as claimed in claim 5, wherein: observe board (231) sliding connection in logical groove (23), observe board (231) and slide along logical groove (23) length direction, observe board (231) and can follow logical groove (23) and keep away from connecting pipe (11) one end roll-off.

7. A continuous powder sampler as claimed in claim 5, wherein: one end of the sampling tube (2) far away from the feeding tube (1) is connected with a bottom cover (24) in a threaded mode, the cross section of the sampling tube (2) is covered by the bottom cover (24), and one end, far away from the connecting tube (11), of the observation plate (231) can be abutted to the bottom cover (24).

8. A continuous powder sampler as claimed in claim 7, wherein: one side, far away from the feeding pipe (1), of the bottom cover (24) is fixedly connected with a handle (241).