CN216013327U

CN216013327U - Laboratory bench that food quality detected usefulness

Info

Publication number: CN216013327U
Application number: CN202122322948.7U
Authority: CN
Inventors: 王明光
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-09-25
Filing date: 2021-09-25
Publication date: 2022-03-11
Anticipated expiration: 2031-09-25

Abstract

The utility model provides a laboratory bench that food quality detected usefulness. The experiment table for food quality detection comprises an experiment table body; the two support plates are fixedly arranged at the top of the experiment table body; the two cavities are respectively arranged on the two support plates; the four synchronizing wheels are arranged in the two cavities; the two synchronous belts are sleeved on the two corresponding synchronous wheels; the frame is arranged on one side of the two support plates, which are close to each other; a plurality of test tubes disposed on the frame; the two side plates are fixedly arranged at the top of the experiment table body; and the two sliding grooves are respectively arranged on one side of the two side plates, which are close to each other. The utility model provides a laboratory bench that food quality detected usefulness has the contact that reduces experimenter and reagent, advantage that the cleaning efficiency is high.

Description

Laboratory bench that food quality detected usefulness

Technical Field

The utility model relates to a food detection technology field especially relates to a laboratory bench that food quality detected usefulness.

Background

The food safety problem is a global topic, food safety vicious events occur continuously internationally, huge economic loss is caused, food safety detection technology is developed at the same time, and food safety detection is used for detecting harmful substances in food according to national indexes, mainly detecting harmful and toxic indexes, such as heavy metal, aflatoxin and the like. An important aspect of food science and engineering is the introduction and use of chemical unit operations and the development of food engineering unit operations, thereby promoting the development of the food industry towards large-scale, continuous and automated.

Food safety inspection work is usually carried out on the laboratory bench in special laboratory, use more detection method to smash the back with food sample and put into a plurality of test tubes and add different reagent and observe its change, need wash the test tube after finishing using, and the laboratory bench of current food detection, it still needs the experimenter to wash by oneself only to be provided with the pond, just so easily contact various reagent and reagent solvent thing, harm the experimenter's skin, and need wash one of test tube, the cleaning efficiency is on the low side.

Therefore, there is a need to provide a new laboratory table for food quality inspection to solve the above-mentioned technical problems.

SUMMERY OF THE UTILITY MODEL

The utility model provides a technical problem provide a reduce the laboratory bench of contact of experimenter and reagent, food quality testing usefulness that the cleaning efficiency is high.

For solving the technical problem, the utility model provides a laboratory bench that food quality detected usefulness includes: a test bed body; the two support plates are fixedly arranged at the top of the experiment table body; the two cavities are respectively arranged on the two support plates; the four synchronizing wheels are arranged in the two cavities; the two synchronous belts are sleeved on the two corresponding synchronous wheels; the frame is arranged on one side of the two support plates, which are close to each other; a plurality of test tubes disposed on the frame; the two side plates are fixedly arranged at the top of the experiment table body; the two sliding grooves are respectively formed in one side, close to each other, of the two side plates; the screw rod is rotatably arranged in any one of the chutes; a plurality of brush tubes, each of the plurality of brush tubes being disposed above the frame; the water supply pipes are arranged in the brush pipes; the water pool is arranged at the top of the experiment table body.

Preferably, two rotating shafts are rotatably mounted in the two cavities, four synchronizing wheels are fixedly sleeved on the four rotating shafts respectively, a first motor is fixedly mounted on one side, away from each other, of the two support plates, and output shafts of the first motors are fixedly connected with one ends of the corresponding rotating shafts.

Preferably, equal fixed mounting has the gangbar, two on the both sides of frame the one end that the gangbar was kept away from each other all extends to corresponding in the cavity, two all rotate on the gangbar and install the fly leaf, two the fly leaf all with corresponding the bottom inner wall and the top inner wall sliding connection of cavity, two all seted up two on the fly leaf and led to the groove, two the upper portion of hold-in range respectively with be located two of top lead to the top inner wall fixed connection of groove, two the lower part of hold-in range respectively with be located two of below lead to groove sliding connection.

Preferably, a plurality of standing grooves have been seted up to the top of frame, and is a plurality of the test tube all runs through the correspondence the standing groove, it is a plurality of all seted up the limit groove on the both sides inner wall of standing groove, it is a plurality of equal slidable mounting has the carriage release lever in the limit inslot, and is a plurality of equal fixed mounting has the baffle, two of correspondence one side that the carriage release lever is close to each other all extends to the correspondence in the standing groove, two equal fixed mounting has solid board on the one end that the carriage release lever is close to each other, two solid board all with correspond the both sides of test tube contact, and is a plurality of all fixed cover is equipped with the spring on the carriage release lever, a plurality of two the one end of spring all with correspond carriage release lever fixed connection, a plurality of the other end of spring all with correspond baffle fixed connection.

Preferably, be close to the screw rod U type groove has been seted up on the curb plate, U type inslot fixed mounting has motor two, motor two's output shaft with the bottom fixed connection of screw rod, the top of frame is provided with the diaphragm, the both sides of diaphragm extend to two respectively in the spout, the screw rod runs through the diaphragm and with diaphragm threaded connection keeps away from the screw rod fixed mounting has the sighting rod in the spout, the sighting rod runs through the diaphragm and with diaphragm sliding connection, it installs the linking pole, and is a plurality of to rotate on the diaphragm the brush pipe with it is equipped with the sprocket to link to go up equal fixed cover, and is a plurality of the cover is equipped with the chain on the sprocket, the top fixed mounting of diaphragm has motor three, motor three's output shaft with the top fixed connection of linking pole.

Preferably, a rectangular frame is slidably mounted on any one of the support plates, a motor four is fixedly mounted in the rectangular frame, an output shaft of the motor four is fixedly connected with one end of the corresponding linkage rod, a caulking groove is formed in the experiment table body, the bottom of the water pool extends into the caulking groove, a transfer pipe is fixedly mounted at the bottom of the water pool, a filter screen is fixedly mounted in the transfer pipe, an inclined pipe is fixedly mounted on one side of the transfer pipe, a support plate is fixedly mounted on the inner wall of one side of the caulking groove, a waste box is arranged on the support plate, one end of the inclined pipe extends to the position above the waste box, three shunt pipes are fixedly mounted at the bottom of the transfer pipe, three waste liquid barrels are arranged at the bottom of the caulking groove, the bottom ends of the three shunt pipes are fixedly connected with the three waste barrels respectively, and water valves are arranged on the three shunt pipes, a cabinet door is arranged on the experiment table body.

Preferably, a sewer pipe is fixedly installed on one side, close to each other, of each of the two side plates, a water pump is fixedly installed in the caulking groove, a water outlet of the water pump is fixedly provided with a drain pipe, the top end of the drain pipe extends to the upper portion of the experiment table body and is fixedly connected with the sewer pipe, a plurality of corrugated pipes are fixedly installed at the bottom ends of the sewer pipes, the bottom ends of the corrugated pipes are fixedly connected with the top ends of the corresponding water supply pipes, a plurality of spray heads are fixedly installed on the two sides of the water supply pipes and penetrate through the corresponding brush pipes, and fine hairbrushes are arranged on the outer walls of the brush pipes.

Compared with the prior art, the utility model provides a laboratory bench that food quality detected usefulness has following beneficial effect:

the utility model provides a laboratory bench that food quality detected usefulness, starter motor one, under the transmission of synchronizing wheel and hold-in range, the fly leaf drives frame horizontal migration to the pond directly over, starter motor four, make the test tube invert, pour solid-liquid mixture into through filter screen solid-liquid separation in the pond, the solid passes through in the pipe chute gets into the waste material case, liquid gets into in the waste liquid bucket along with the shunt tubes that corresponds, starter motor two, the diaphragm drives the brush pipe and descends to the test tube in, start water pump, rivers get into the delivery pipe that corresponds and pass through the shower nozzle to the test tube water spray, start ground motor three, under sprocket and the intermeshing's of chain transmission, a plurality of brush pipes rotate simultaneously and wash the test tube promptly, reducible experimenter and chemical reagent's contact, the cleaning efficiency is high.

Drawings

Fig. 1 is a schematic structural diagram of a preferred embodiment of a laboratory bench for food quality inspection according to the present invention;

FIG. 2 is an enlarged view of portion A of FIG. 1;

FIG. 3 is an enlarged view of the portion B shown in FIG. 2;

FIG. 4 is an enlarged view of section C shown in FIG. 1;

FIG. 5 is an enlarged view of the portion D shown in FIG. 1;

FIG. 6 is a schematic view of the top view structure of the experiment table for food quality detection

Fig. 7 is a schematic view of the structure of the experiment table for detecting food quality.

Reference numbers in the figures: 1. a test bed body; 2. a support plate; 3. a chamber; 4. a synchronizing wheel; 5. a synchronous belt; 6. a first motor; 7. a frame; 8. a test tube; 9. a side plate; 10. a chute; 11. a screw; 12. a second motor; 13. a third motor; 14. brushing the tube; 15. a water supply pipe; 16. a sprocket; 17. a chain; 18. a water pump; 19. a pool; 20. a shunt tube; 21. and a fourth motor.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and embodiments.

Please refer to fig. 1, fig. 2, fig. 3, fig. 4, fig. 5, fig. 6 and fig. 7 in combination, wherein fig. 1 is a schematic structural diagram of a preferred embodiment of a laboratory bench for food quality inspection according to the present invention; FIG. 2 is an enlarged view of portion A of FIG. 1; FIG. 3 is an enlarged view of the portion B shown in FIG. 2; FIG. 4 is an enlarged view of section C shown in FIG. 1; FIG. 5 is an enlarged view of the portion D shown in FIG. 1; fig. 6 is the utility model provides a structural schematic is overlooked of laboratory bench that food quality testing used, fig. 7 is the utility model provides a structural schematic is looked at to main of laboratory bench that food quality testing used. The laboratory bench that food quality testing used includes: a test bed body 1; the two support plates 2 are fixedly arranged at the top of the experiment table body 1, and the two support plates 2 are long, so that the test tube 8 can horizontally move on the experiment table body 1 without an experimenter carrying and moving the test tube 8; the two chambers 3 are respectively arranged on the two support plates 2; four synchronizing wheels 4, wherein the four synchronizing wheels 4 are all arranged in the two chambers 3; the two synchronous belts 5 are sleeved on the two corresponding synchronous wheels 4, the frame 7 can move horizontally under the transmission action of the synchronous belts 5 and the synchronous wheels 4, and the swinging caused in the carrying process of personnel is reduced, so that the reagent is splashed onto the body of the personnel; the frame 7 is arranged on one side of the two support plates 2 close to each other, and a plurality of arc-shaped grooves are formed in the inner wall of the bottom of the frame 7 and are attached to the bottom of the test tube 8, so that the frame 7 is more suitable for the stable placement of the test tube 8; a plurality of test tubes 8, the plurality of test tubes 8 being disposed on the frame 7; the two side plates 9 are fixedly arranged at the top of the experiment table body 1; the two sliding grooves 10 are respectively formed in one side, close to each other, of the two side plates 9; the screw rods 11 are rotatably arranged in any one of the chutes 10, the screw rods 11 are matched with the marker posts to adjust the height of the transverse plate so as to control the height of the brush tube 14, and the movement of the test tube 8 cannot be blocked when the brush is not brushed; a plurality of brush tubes 14, each of the plurality of brush tubes 14 being disposed above the frame 7; a plurality of water supply pipes 15, each of the plurality of water supply pipes 15 being provided in the plurality of brush pipes 14; the water pool 19 is arranged at the top of the experiment table body 1.

In order to enable the movable plate to horizontally move, two rotating shafts are installed in the chamber 3 in a rotating mode, the rotating shafts support the synchronizing wheels 4 and simultaneously drive the synchronizing wheels to rotate, the synchronizing wheels 4 are respectively fixedly sleeved on the four rotating shafts, two motors 6 are fixedly installed on one sides, away from each other, of the support plates 2, output shafts of the motors 6 are fixedly connected with one ends of the corresponding rotating shafts, and the motors 6 provide power support for the rotation of the synchronizing wheels 4.

Equal fixed mounting has the gangbar, two on frame 7's the one end that the gangbar was kept away from each other all extends to corresponding in the cavity 3, the gangbar drives its rotation when forming stable support to frame 7, two all rotate on the gangbar and install the fly leaf, two the fly leaf all with correspond the bottom inner wall and the top inner wall sliding connection of cavity 3, two all seted up two on the fly leaf and led to the groove, two the upper portion of hold-in range 5 respectively with be located two of top the top inner wall fixed connection who leads to the groove, two the lower part of hold-in range 5 respectively with be located two of below lead to groove sliding connection.

A plurality of placing grooves are formed above the frame 7, a plurality of test tubes 8 penetrate through the corresponding placing grooves, side grooves are formed in the inner walls of the two sides of the placing grooves, moving rods are slidably mounted in the side grooves, baffles are fixedly mounted in the side grooves, one sides of the two corresponding moving rods, which are close to each other, extend into the corresponding placing grooves, fixing plates are fixedly mounted at one ends of the two moving rods, which are close to each other, are arc-shaped, the two arcs are more attached to the two sides of the test tubes 8, the fixing effect is better, the two fixing plates are contacted with the two sides of the corresponding test tubes 8, springs are fixedly sleeved on the moving rods, one ends of the two springs are fixedly connected with the corresponding moving rods, and the other ends of the springs are fixedly connected with the corresponding baffles, when the test tube 8 is placed in, the spring is compressed to generate elastic potential energy, and the elastic potential energy is converted into thrust to push the fixed plate, so that the test tube 8 is clamped.

A U-shaped groove is formed in the side plate 9 close to the screw rod 11, a second motor 12 is fixedly mounted in the U-shaped groove, the output shaft of the second motor 12 is fixedly connected with the bottom end of the screw rod 11, a transverse plate is arranged above the frame 7, the height of the brush tube 14 can be controlled by adjusting the height of the transverse plate, two sides of the transverse plate respectively extend into the two sliding grooves 10, the screw rod 11 penetrates through the transverse plate and is in threaded connection with the transverse plate, a mark rod is fixedly mounted in the sliding groove 10 far away from the screw rod 11, penetrates through the transverse plate and is in sliding connection with the transverse plate, the mark rod limits the transverse plate in rotation, so that the transverse plate can perform lifting motion under the rotation of the screw rod 11, an engaging rod is rotatably mounted on the transverse plate, a plurality of brush tubes 14 and the engaging rod are fixedly sleeved with a chain wheel 16, and a plurality of chain wheels 17 are sleeved on the chain wheels 16, the top fixed mounting of diaphragm has motor three 13, the output shaft of motor three 13 with the top fixed connection of linking the pole makes a plurality of brush tubes 14 clean test tube 8 simultaneously through the meshing transmission effect of a plurality of sprockets 16 and chain 17, improves the cleaning efficiency.

Any one of the support plates 2 is provided with a rectangular frame in a sliding manner, the rectangular frame is internally and fixedly provided with a motor four 21, when the motor four 21 is started, the rotating position of the frame 7 can be controlled, objects in the test tube 8 can be poured out conveniently, personnel contact can be reduced, the output shaft of the motor four 21 is fixedly connected with one end of the corresponding linkage rod, a caulking groove is formed in the experiment table body 1, the bottom of the water pool 19 extends into the caulking groove, a switching tube is fixedly arranged at the bottom of the water pool 19, a filter screen is fixedly arranged in the switching tube and used for separating solid from liquid, classification treatment is facilitated, an inclined tube is fixedly arranged on one side of the switching tube, the inclined tube is thick, solid residues can flow out conveniently, a support plate is fixedly arranged on the inner wall of one side of the caulking groove, a waste box is arranged on the support plate, one end of the inclined tube extends to the upper side of the waste box, the bottom fixed mounting of switching pipe has three shunt tubes 20, the bottom of caulking groove is provided with three waste liquid bucket, and is three shunt tubes 20's bottom respectively with three waste bin fixed connection, three shunt tubes 20 and three waste bin make the different reagent gradable that use in the different testing process handle, prevent that different reagent from mixing to take place chemical reaction once more, and is three all be provided with the water valve on the shunt tubes 20, be provided with the cabinet door on the laboratory bench body 1.

The side plates 9 are fixedly provided with a sewer pipe on one side close to each other, a water pump 18 is fixedly arranged in the caulking groove, a water outlet of the water pump 18 is fixedly provided with a drain pipe, the top end of the drain pipe extends to the upper side of the experiment table body 1 and is fixedly connected with the sewer pipe, a plurality of corrugated pipes are fixedly arranged at the bottom end of the sewer pipe, the corrugated pipes can flexibly adjust the extension degree of the corrugated pipes along with the descending of a transverse plate, the bottom ends of the corrugated pipes are fixedly connected with the top ends of the corresponding water supply pipes 15, a plurality of nozzles are fixedly arranged on two sides of the water supply pipes 15 and are rubber nozzles, the inner walls of the test tubes 8 cannot be damaged due to softer rubber materials in the brushing process, the nozzles penetrate through the corresponding brush tubes 14, and fine brushes are arranged on the outer walls of the brush tubes 14.

The utility model provides a theory of operation of laboratory bench that food quality detection used is as follows:

after the food detection work is finished, starting a motor I6, driving a corresponding rotating shaft to drive a corresponding synchronizing wheel 4 to rotate so as to drive two movable plates to horizontally move until a frame 7 is moved to be right above a water tank 19, starting a motor IV 21, driving a linkage rod to rotate by an output shaft of the motor IV 21 so as to drive the frame 7 to drive a test tube 8 to be inverted, pouring a solid-liquid mixture in the test tube 8 into the water tank 19, separating the solid from the liquid by a filter screen, enabling the solid to fall into a waste box along with an inclined pipe, opening a corresponding water valve, enabling the liquid to enter a corresponding flow dividing pipe 20 and finally enter a corresponding waste liquid box so as to facilitate subsequent centralized treatment, then starting a motor II 12, driving a brush pipe 14 into the corresponding test tube 8 by a transverse plate under the rotation limitation of a marking rod to the transverse plate, starting a water pump 18, enabling the water to flow into a plurality of corrugated pipes in a sewer pipe through a water discharge pipe, and finally entering a water supply pipe 15 to spray water on the inner wall of the test tube 8 through a spray head, and simultaneously, starting a third motor 13, rotating the connecting rod, rotating the corresponding chain wheel 16, rotating the chain wheels 16 simultaneously through the transmission action of the chain 17, so that the brush tubes 14 rotate simultaneously to scrub the inner wall of the test tube 8, and starting a fourth motor 21 again after the cleaning is finished, so that the frame 7 is inverted, cleaning wastewater enters the water tank 19, and another valve is opened to enable water flow to enter the corresponding waste material barrel.

the utility model provides a laboratory bench that food quality detected usefulness, a starter motor 6, under synchronizing wheel 4 and hold-in range 5's transmission, the fly leaf drives 7 horizontal migration of frame to pond 19 directly over, starter motor four 21, make test tube 8 invert, pour solid-liquid mixture into pond 19 in through filter screen solid-liquid separation, the solid passes through the pipe chute and gets into in the waste bin, liquid gets into the waste bin along with shunt tubes 20 that correspond, starter motor two 12, the diaphragm drives brush pipe 14 and descends to test tube 8 in, start-up water pump 18, rivers get into corresponding delivery pipe 15 and pass through the shower nozzle to test tube 8 water spray, start ground motor three 13, under sprocket 16 and chain 17's intermeshing's transmission, a plurality of brush pipes 14 rotate simultaneously and wash test tube 8 promptly, reducible experimenter and chemical reagent's contact, the cleaning efficiency height is higher.

The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.

Claims

1. A laboratory bench that food quality testing used characterized in that includes:

a test bed body;

the two support plates are fixedly arranged at the top of the experiment table body;

the two cavities are respectively arranged on the two support plates;

the four synchronizing wheels are arranged in the two cavities;

the two synchronous belts are sleeved on the two corresponding synchronous wheels;

the frame is arranged on one side of the two support plates, which are close to each other;

a plurality of test tubes disposed on the frame;

the two side plates are fixedly arranged at the top of the experiment table body;

the two sliding grooves are respectively formed in one side, close to each other, of the two side plates;

the screw rod is rotatably arranged in any one of the chutes;

a plurality of brush tubes, each of the plurality of brush tubes being disposed above the frame;

the water supply pipes are arranged in the brush pipes;

the water pool is arranged at the top of the experiment table body.

2. The food quality testing experiment table as claimed in claim 1, wherein two rotating shafts are rotatably mounted in two cavities, four synchronizing wheels are respectively fixedly sleeved on the four rotating shafts, a first motor is fixedly mounted on one side of each of the two support plates away from each other, and an output shaft of each of the two first motors is fixedly connected with one end of the corresponding rotating shaft.

3. The experiment table for detecting the food quality as claimed in claim 1, wherein linkage rods are fixedly mounted on both sides of the frame, one ends of the linkage rods, which are far away from each other, extend into the corresponding cavities, movable plates are rotatably mounted on the two linkage rods, the two movable plates are slidably connected with the corresponding inner walls of the bottom and the top of the cavities, two through grooves are formed in the two movable plates, the upper portions of the two synchronous belts are fixedly connected with the inner walls of the top of the two through grooves, which are located above, respectively, and the lower portions of the two synchronous belts are slidably connected with the two through grooves, which are located below, respectively.

4. The food quality testing experiment table according to claim 3, wherein a plurality of placing grooves are formed above the frame, a plurality of test tubes are arranged to penetrate the corresponding placing grooves, side grooves are formed on inner walls of both sides of the plurality of placing grooves, moving rods are slidably arranged in the side grooves, and baffles are fixedly arranged in the side grooves, corresponding two one side that the carriage release lever is close to each other all extends to corresponding in the standing groove, two equal fixed mounting has solid board, two on the one end that the carriage release lever is close to each other solid board all with correspond the both sides of test tube contact, it is a plurality of all fixed cover is equipped with the spring on the carriage release lever, a plurality of two the one end of spring all with correspond carriage release lever fixed connection, it is a plurality of the other end of spring all with correspond baffle fixed connection.

5. The food quality testing laboratory bench of claim 1, wherein a U-shaped groove is formed on the side plate near the screw rod, a second motor is fixedly arranged in the U-shaped groove, an output shaft of the second motor is fixedly connected with the bottom end of the screw rod, a transverse plate is arranged above the frame, two sides of the transverse plate respectively extend into the two sliding grooves, the screw rod penetrates through the transverse plate and is in threaded connection with the transverse plate, a marker post is fixedly arranged in the chute far away from the screw rod, the marker post penetrates through the transverse plate and is connected with the transverse plate in a sliding way, a linking rod is rotatably arranged on the transverse plate, a plurality of chain wheels are fixedly sleeved on the brush tubes and the linking rod, a plurality of chains are sleeved on the chain wheels, and a third motor is fixedly mounted at the top of the transverse plate, and an output shaft of the third motor is fixedly connected with the top end of the connecting rod.

6. The experimental bench for food quality detection according to claim 3, wherein a rectangular frame is slidably mounted on any one of the support plates, a motor IV is fixedly mounted in the rectangular frame, an output shaft of the motor IV is fixedly connected with one end of the corresponding linkage rod, a caulking groove is formed in the experimental bench body, the bottom of the water pool extends into the caulking groove, an adapter tube is fixedly mounted at the bottom of the water pool, a filter screen is fixedly mounted in the adapter tube, an inclined tube is fixedly mounted on one side of the adapter tube, a support plate is fixedly mounted on the inner wall of one side of the caulking groove, a waste box is arranged on the support plate, one end of the inclined tube extends to the upper part of the waste box, three shunt tubes are fixedly mounted at the bottom of the adapter tube, three waste liquid buckets are arranged at the bottom of the caulking groove, and the bottom ends of the three shunt tubes are respectively and fixedly connected with the three waste buckets, three all be provided with the water valve on the shunt tubes, be provided with the cabinet door on the laboratory bench body.

7. The food quality testing experiment table according to claim 6, wherein a sewer pipe is fixedly installed on one side of each of the two side plates, the water pump is fixedly installed in the caulking groove, a water outlet of the water pump is fixedly installed with a water discharge pipe, the top end of the water discharge pipe extends to the upper side of the experiment table body and is fixedly connected with the sewer pipe, a plurality of corrugated pipes are fixedly installed at the bottom end of the sewer pipe, the bottom ends of the corrugated pipes are fixedly connected with the top ends of the corresponding water supply pipes, a plurality of spray heads are fixedly installed on the two sides of the water supply pipes, penetrate through the corresponding brush pipes, and fine brushes are arranged on the outer walls of the brush pipes.