CN221296172U - Waste water treatment dosing device - Google Patents

Abstract

The utility model relates to a wastewater treatment dosing device, wherein a drug feeding box and a dosing port are respectively arranged on the left side and the right side of the upper end of a working box, the lower end of the working box is rotationally connected with a rotating pipe, the lower end of the rotating pipe is fixedly provided with a one-way pipe, the lower end of the one-way pipe is fixedly provided with a transfer pipe, the outer surface of the transfer pipe is provided with a plurality of stirring blades, a crushing device is arranged in the drug feeding box, a filter screen is arranged at the top of a drug feeding channel and at the bottom of a crushing pressing plate, rolling blades are respectively arranged on the circumferential outer side wall of the crushing rotating roller, the crushing pressing plate is arranged below the crushing rotating roller, crushing cutters are respectively arranged on the left side wall and the right side wall of the crushing pressing plate, the front side and the rear side of the two groups of the crushing pressing plates are provided with nut sliding blocks, the nut sliding blocks are in threaded connection with ball screws, and the nut sliding blocks on the two groups of the crushing pressing plates are respectively in threaded connection with corresponding threaded parts; the twice crushing can thoroughly crush the medicament particles, and the transfer tube and the stirring blade rotate to stir the wastewater, so that the working efficiency is improved.

Description

Waste water treatment dosing device

Technical Field

The utility model relates to a dosing device, in particular to a wastewater treatment dosing device.

Background

The waste water refers to waste water and waste liquid generated in industrial production and living processes, including production waste water, production sewage and cooling water, wherein the waste water contains industrial production materials, intermediate products and byproducts which run off along with water and pollutants generated in the production process, and the industrial waste water often contains various toxic substances which pollute the environment and are harmful to human health, so that the waste water can be discharged after being treated; the wastewater treatment is to treat the wastewater by using physical, chemical and biological methods, so that the wastewater is purified, pollution is reduced, the wastewater is recovered and reused, and water resources are fully utilized. And the wastewater is prepared by adding medicaments to decompose, absorb and precipitate harmful substances in the wastewater.

When carrying out the medicament and adding, generally can use the dosing device to go on, but current dosing device is direct pour the medicament into waste water in, can't carry out even dosing, what is more is that the inside effectual filtration of dosing device and grinding crushing function that does not exist, the medicament can be because of moisture or gravity extrusion when storing the medicine storehouse and put, lead to the medicament caking, pile up in the waste water in the caking medicament is added and can not be fine carry out abundant mixing with waste water, can not fine dissolution reaction, thereby influence the treatment effect of waste water, lead to partial waste water to have not just been discharged with carrying out the drug treatment yet, harm people's health.

Disclosure of Invention

Aiming at the defects of the problems, the utility model provides a wastewater treatment dosing device.

The utility model realizes the above purpose through the following technical scheme: the utility model provides a waste water treatment dosing device, includes the work box, work box upper end left side and right are provided with respectively and advance medical kit and dosing mouth, the work box middle part is provided with agitating unit, the lower extreme of work box rotates and is connected with the rotation pipe, the lower extreme fixed mounting of rotation pipe has the one-way pipe, the lower extreme fixed mounting of one-way pipe has the switching tube, the surface of switching tube is provided with a plurality of stirring leaf, advance and be provided with reducing mechanism in the medical kit, advance the medical kit top and offered and advance the medicine mouth, advance the medical kit bottom and offered the medicine passageway, advance the medical passageway with the work box intercommunication, reducing mechanism is including breaking up the roller, broken clamp plate and filter screen, the filter screen sets up advance the medical passageway top and be in broken clamp plate bottom, two sets of break up the roller sets up advance the medicine mouth under, break up the roller and be connected with first motor, all be provided with the roll-in on the lateral wall of switching tube, broken clamp plate installs break up roller set of down the screw motor is in the screw nut is set up to the screw nut is connected to two sides on the left and right sides of screw nut.

Preferably, the medicine feeding box is provided with a fixed knife with the same structure as the crushing knife at the position corresponding to the crushing pressing plate, the fixed knife and the crushing knife are arranged in a staggered manner, the crushing knives on the surface, close to each other, of the crushing pressing plate are arranged in a staggered manner, and the rolling blades between the scattering rotating rollers are arranged in a staggered manner.

Preferably, the stirring device comprises a third motor, a rotating rod and stirring wheels, wherein the rotating rod is arranged on the inner side of the middle part of the working box and penetrates through the side surface of the middle part of the working box to be fixedly connected with an output shaft of the third motor, and a plurality of stirring wheels are fixedly arranged on the surface of the rotating rod.

Preferably, the stirring blade is internally provided with a hollow groove, the front side wall and the rear side wall of the hollow groove are respectively provided with a discharge hole penetrating through the side walls of the hollow groove, and the switching pipe is mutually communicated with the discharge holes through the hollow groove.

Preferably, the stirring blade is provided with a plurality of stirring blades, and the stirring blades are uniformly distributed on the outer surface of the transfer tube.

Preferably, the unidirectional tube comprises a conical groove and a transfer groove, the rotary tube is communicated with the transfer tube through the conical groove and the transfer groove in sequence, the diameter of the transfer groove is equal to the maximum diameter of the conical groove, a plurality of round hole grooves are uniformly formed in the outer side of the top wall of the transfer groove, springs are fixedly arranged on the top wall of the round hole grooves, and a plurality of baffle plates are fixedly arranged at one ends, far away from the round hole grooves, of the springs.

Preferably, the lower part fixed mounting has four baffles in the inner chamber of work box, four the baffle is in form four pyramid type grooves between the work box inner chamber, the through-hole that runs through the baffle is seted up at the middle part in four pyramid type grooves, the upper end of swivelling tube extends to the inner chamber of work box and rotates to connect the lower part at the baffle, swivelling tube and through-hole intercommunication each other.

Preferably, a plurality of vibrating devices are arranged on the outer side surface of the bottom end of the quadrangular pyramid-shaped groove.

Preferably, the vibration device includes: the device comprises a mounting frame, a swinging arm, a knocking block, a top knocking block and an electric telescopic rod, wherein the mounting frame is arranged on the outer side face of the bottom end of a quadrangular pyramid-shaped groove, a shaft rod is arranged between two side plates of the mounting frame, the shaft rod penetrates through the swinging arm, the swinging arm is close to the outer side face of the bottom end of the quadrangular pyramid-shaped groove, the knocking block is arranged on the outer side face of the bottom end of the quadrangular pyramid-shaped groove, the electric telescopic rod is arranged at the bottom of the top knocking block and is fixed on the surface of a mounting plate, the mounting plate is fixed on the inner side wall of a working box, and the top of the top knocking block is in butt joint with the bottom of the swinging arm.

Preferably, a fourth motor is fixedly arranged at the right part of the bottom wall below the quadrangular pyramid-shaped groove in the inner cavity of the working box, a first bevel gear is fixedly arranged at the output end of the fourth motor, a second bevel gear is fixedly arranged at the lower part of the outer surface of the rotating tube, and the right parts of the outer surfaces of the first bevel gear and the second bevel gear are meshed.

The beneficial effects of the utility model are as follows:

1. Through reducing mechanism that sets up, granule medicament is from in the gap between the two sets of rolls that break up, carry out preliminary break up through the big granule medicament of caking through the roll-in blade, the medicament after preliminary break up falls into on the filter screen board, tiny granule is gone into to the work box through the filter screen, comparatively massive, the medicament heap of caking is held back, nut slider drives broken clamp plate and reciprocates about on ball screw, make the interval of two broken clamp plates diminish or grow gradually, the medicament of being held back just is pressed it again by the broken sword that staggers between two broken clamp plates and is scattered, the twice is smashed the medicament granule and can carry out thorough extrusion crushing, can effectually prevent to add the in-process caking medicament and fall into waste water, result in dissolving and react inadequately, influence the treatment effect of waste water, the medicament after being smashed enters into in the work box, can dissolve fast and reduce the time of fusing between medicament and the waste water, can improve purification efficiency.

2. Through the quadrangular pyramid type groove and the vibrating device that set up for the medicament flows out from the working box, prevents that the through-hole from blockking up, can also reduce the medicine and remain, avoids extravagant, and the one-way pipe can avoid waste water to pass through the inner chamber of back-suction admission working box.

3. The motor control first bevel gear through setting up rotates, then drives second bevel gear and pivoted tube and rotates, makes at last and changes the tube and stir the leaf and rotate, not only stirs waste water for the velocity of flow of waste water and medicament can also let the medicament through the even improvement work efficiency in the waste water that adds of discharge port that the stirring leaf set up.

Drawings

FIG. 1 is a schematic view of the structure of a drug delivery device of the present utility model;

FIG. 2 is a schematic view of a portion of the crushing apparatus of the present utility model;

FIG. 3 is a schematic view of a quadrangular pyramid-shaped groove according to the present utility model;

FIG. 4 is a schematic cut-away view of a unidirectional tube of the present utility model.

In the figure: 1. a working box; 2. a medicine feeding box; 21. a medicine inlet; 22. scattering the rotating roller; 221. rolling the blade; 23. crushing a pressing plate; 231. a crushing knife; 232. a nut slider; 233. a ball screw; 234. a second motor; 235. fixing the knife; 24. a filter screen; 3. a medicine adding port; 4. a stirring device; 41. a third motor; 42. a rotating lever; 43. a stirring wheel; 5. a rotary tube; 6. a unidirectional tube; 61. a conical groove; 62. a transfer groove; 63. a baffle; 64. a circular hole groove; 65. a spring; 7. a transfer tube; 8. stirring the leaves; 81. a discharge hole; 9. a partition plate; 10. a quadrangular pyramid-shaped groove; 101. a through hole; 11. a vibration device; 111. a swing arm; 112. knocking the block; 113. a top impact block; 114. an electric telescopic rod; 115. a mounting plate; 12. a fourth motor; 13. a first bevel gear; 14. and a second bevel gear.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.

As shown in fig. 1 and 2, a wastewater treatment dosing device comprises a working box 1, a dosing box 2 and a dosing opening 3 are respectively arranged on the left and right of the upper end of the working box 1, a stirring device 4 is arranged in the middle of the working box 1, the lower end of the working box 1 is rotationally connected with a rotating pipe 5, the lower end of the rotating pipe 5 is fixedly provided with a one-way pipe 6, the lower end of the one-way pipe 6 is fixedly provided with a switching pipe 7, the outer surface of the switching pipe 7 is provided with a plurality of stirring blades 8, a smashing device is arranged in the dosing box 2, a dosing opening 21 is arranged at the top of the dosing box 2, a dosing channel is arranged at the bottom of the dosing box 2, the dosing channel is communicated with the working box 1, the smashing device comprises a breaking rotating roller 22, a breaking pressing plate 23 and a filter screen 24, the filter screen 24 is arranged at the top of the dosing channel and at the bottom of the breaking pressing plate 23, two groups of breaking rotating rollers 22 are arranged under the dosing opening 21, the breaking rotating roller 22 is connected with a first motor, the circumference outer side wall of the breaking-up roller 22 is provided with rolling blades 221, the breaking press plates 23 are arranged below the breaking-up roller 22, two groups of breaking press plates 23 are respectively arranged at the left side and the right side of the medicine feeding box 2, the left side and the right side of the breaking press plates 23 are provided with breaking blades 231, the front side and the rear side of the two groups of breaking press plates 23 are provided with nut sliding blocks 232, the nut sliding blocks 232 are in threaded connection with a ball screw 233, the ball screw 233 penetrates through the medicine feeding box 2 and is connected with a second motor 234 arranged on the outer side wall of the medicine feeding box 2, the left side and the right side of the ball screw 233 are provided with threaded parts with opposite screw directions, the nut sliding blocks 232 on the two groups of breaking press plates 23 are respectively in threaded connection with corresponding threaded parts, the position of the medicine feeding box 2 corresponding to the breaking press plates 23 is provided with a fixed blade 235 which is consistent with the structure of the breaking blades 231, the fixed blade 235 is staggered with the breaking blades 231, the crushing blades 231 on the side of the two groups of crushing press plates 23, which are close to each other, are staggered, and the rolling blades 221 between the two groups of breaking-up rollers 22 are staggered. By adopting the structure, the granule medicament is scattered in the gap between the two groups of scattering rotating rollers 22, the large granule medicament of caking is scattered preliminarily through the rolling blades 221, the medicament after preliminary scattering falls onto the filter screen plate 24, tiny particles enter the working box 1 through the filter screen 24, the medicament of comparatively large blocks and caking is piled up and intercepted, the second motor 234 drives the ball screw 233 to rotate, the ball screw 233 is in threaded connection with the nut slider 232, the nut slider 232 drives the crushing pressing plates 23 to slide left and right on the ball screw 233, the distance between the two crushing pressing plates 23 is gradually reduced or enlarged, the entrapped medicament is scattered again by the crushing blades 231 staggered between the two crushing pressing plates 23, or the medicament is scattered by the cooperation of the crushing blades 231 on the crushing pressing plates 23 and the fixed cutter 235, the medicament particles can be crushed thoroughly in an extrusion way, the medicament in the dosing process can be effectively prevented from being blocked, the medicament falls into waste water, the waste water is caused to be dissolved and the incomplete reaction, the treatment effect of the waste water is affected, the medicament after being crushed enters the working box 1, the time between the quick dissolution and the waste water can be shortened, and the purification efficiency of the medicament can be improved.

As shown in fig. 1, the stirring device 4 includes a third motor 41, a rotating rod 42 and stirring wheels 43, the inner side of the middle of the working box 1 is provided with the rotating rod 42, the rotating rod 42 penetrates through the side surface of the middle of the working box 1 and is fixedly connected with an output shaft of the third motor 41 fixed on the outer side of the working box 1, and a plurality of stirring wheels 43 are fixedly installed on the surface of the rotating rod 42. With the structure, the medicines are further mixed in the working box 1, so that the medicines are conveniently and subsequently discharged into the waste liquid.

As shown in fig. 1 and 4, the unidirectional tube 6 includes a conical groove 61 and a transfer groove 62, the rotary tube 5 is sequentially communicated with the transfer tube 7 through the conical groove 61 and the transfer groove 62, the diameter of the transfer groove 62 is equal to the maximum diameter of the conical groove 61, a plurality of circular hole grooves 64 are uniformly formed in the outer side of the top wall of the transfer groove 62, springs 65 are fixedly mounted on the top wall of the circular hole grooves 64, and a baffle 63 is fixedly mounted at one end, far away from the circular hole grooves, of the plurality of springs 65. With this structure, the one-way pipe 6 can prevent waste water from flowing into the inner cavity of the working tank 1 through the back suction, the baffle 63 can be pushed away from the upper side by the medicine to let the medicine flow out of the working tank 1, and the diameter of the transfer groove 62 is equal to the maximum diameter of the conical groove 61, so that the baffle 63 cannot push away from the lower side to the upper side and the waste water cannot enter the inner cavity of the working tank 1.

As shown in fig. 1 and 3, four partition plates 9 are fixedly installed at the middle lower part of the inner cavity of the working box 1, four partition plates 9 form a quadrangular pyramid-shaped groove 10 between the inner cavities of the working box, a through hole 101 penetrating through the partition plates is formed in the middle of the quadrangular pyramid-shaped groove 10, the upper end of the rotating tube 5 extends to the inner cavity of the working box 1 and is rotatably connected to the lower part of the partition plates 9, and the rotating tube 5 and the through hole 101 are mutually communicated. The outer side surface of the bottom end of the quadrangular pyramid-shaped groove 10 is provided with a plurality of vibrating devices 11. The vibration device 11 includes: the installation frame, swing arm 111, strike the piece 112, top hit the piece 113 and electric telescopic handle 114, the installation frame sets up the bottom lateral surface at quadrangular pyramid type groove 10, be provided with the axostylus axostyle between two curb plates of installation frame, the axostylus axostyle runs through swing arm 111, the lateral surface that swing arm 111 is close to quadrangular pyramid type groove 10 bottom is provided with strikes the piece 112, electric telescopic handle 114 sets up in top hit the piece 113 bottom, and fix the surface at mounting panel 115, mounting panel 115 is fixed on the inside wall of work box 1, top hit the piece 113 top and swing arm 111 bottom butt. By adopting the structure, the quadrangular pyramid-shaped groove 10 formed by the partition plate 9 can accelerate the outflow of the medicament, when the piston rod of the electric telescopic rod 114 reciprocates in cooperation with the vibration device 11, the top impact block 113 is driven to reciprocate, so that the swing arm 111 is driven by the top impact block 113 to swing, the knocking block 112 repeatedly knocks the quadrangular pyramid-shaped groove 10, the medicament adhered to the inner wall of the quadrangular pyramid-shaped groove 10 shakes down, the blockage of the through hole 101 can be prevented, the medicament residue is reduced, and the waste is avoided.

As shown in fig. 1, a fourth motor 12 is fixedly installed on the right part of the bottom wall below the quadrangular pyramid-shaped groove 10 in the inner cavity of the working box 1, a first bevel gear 13 is fixedly installed at the output end of the fourth motor 12, a second bevel gear 14 is fixedly installed on the lower part of the outer surface of the rotating tube 5, the right parts of the outer surfaces of the first bevel gear 13 and the second bevel gear 14 are meshed, empty grooves are formed in the stirring blades 8, discharge holes 81 penetrating through the side walls of the empty grooves are formed in the front side wall and the rear side wall of the empty grooves, the adapting tubes 7 are mutually communicated through the empty grooves and the discharge holes 81, a plurality of stirring blades 8 are arranged, and the stirring blades 8 are uniformly distributed on the outer surfaces of the adapting tubes 7. By adopting the structure, the fourth motor 12 controls the first bevel gear 13 to rotate, then drives the second bevel gear 14 and the rotary pipe 5 to rotate, finally, the rotary pipe 7 and the stirring blade 8 are enabled to rotate, the wastewater is stirred, the flowing speed of the wastewater and the medicament is accelerated, the medicament can be dispersed into a plurality of strands of uniform discharge holes 81 arranged through the stirring blade 8 and added into the wastewater, and the working efficiency is improved.

During the use, the medicament of granule is put into from medicine inlet 21, liquid medicament or solvent gets into from medicine inlet 3, start first motor lets two sets of rotatory roller 22 of beating rotate and break up the crushing for the first time, start second motor 234 and drive ball screw 233 rotation, thereby make the interval of two crushing clamp plates 23 diminish gradually or grow carry out the crushing of beating for the second time, after granule medicament enters into the inner chamber of work box 1 through filter screen 24, start third motor 41, the puddler 42 drives stirring wheel 43 and stirs, the even medicament of stirring enters into the pivoted tube through the through-hole 101 of quadrangular type groove 10, through starting electric telescopic handle 114, make the knocking block 112 strike and add quadrangular type groove 10 repeatedly, accelerate the outflow of medicament and avoid the residual of medicament, start fourth motor 12 and make first bevel gear 13 rotate, then drive second bevel gear 14 and pivoted tube 5 rotate, make the pivoted tube 7 and stirring leaf 8 rotate at last, the medicament is dispersed into a plurality of even adding into waste water through the discharge port 81 that stirring leaf 8 set up.

Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.

Claims (10)

1. The utility model provides a waste water treatment dosing device, includes work box (1), its characterized in that: the utility model discloses a medicine feeding box, a medicine feeding device and a medicine feeding device, wherein a medicine feeding box (2) and a medicine feeding opening (3) are respectively arranged on the left side and the right side of the upper end of the working box (1), a stirring device (4) is arranged in the middle of the working box (1), a rotating pipe (5) is rotationally connected to the lower end of the working box (1), a one-way pipe (6) is fixedly arranged at the lower end of the rotating pipe (5), a rotating pipe (7) is fixedly arranged at the lower end of the one-way pipe (6), a plurality of stirring blades (8) are arranged on the outer surface of the rotating pipe (7), a crushing device is arranged in the medicine feeding box (2), a medicine feeding channel is arranged at the bottom of the medicine feeding box (2), the medicine feeding channel is communicated with the working box (1), the crushing device comprises a crushing roller (22), a crushing pressing plate (23) and a filter screen (24), two groups of crushing rollers (22) are arranged at the top of the medicine feeding channel and the bottom of the crushing pressing plate (23), two groups of the crushing roller rollers (22) are arranged under the crushing roller (22) and are arranged on the periphery of the first roller (22) and are arranged on the outer roller (22) and are connected with the crushing roller (22), two sets of broken clamp plates (23) set up respectively advance the left and right sides of medical kit (2), the left and right sides wall of broken clamp plates (23) all is provided with broken sword (231), two sets of the front and back both sides of broken clamp plates (23) are provided with nut slider (232), nut slider (232) threaded connection is on ball screw (233), ball screw (233) run through advance medical kit (2) and be connected with second motor (234) on the lateral wall of advance medical kit (2) set up, ball screw (233) left and right sides is provided with screw thread portion opposite to, nut slider (232) on two sets of broken clamp plates (23) are respectively with corresponding screw thread portion threaded connection.

2. A wastewater treatment dosing device according to claim 1, wherein: fixed knives (235) with the same structure as the crushing knives (231) are arranged at positions, corresponding to the crushing pressing plates (23), on the medicine feeding box (2), the fixed knives (235) and the crushing knives (231) are arranged in a staggered mode, the crushing knives (231) on the surfaces, close to each other, of the crushing pressing plates (23) are arranged in a staggered mode, and rolling blades (221) between the scattering rotating rollers (22) are arranged in a staggered mode.

3. A wastewater treatment dosing device according to claim 1, wherein: stirring device (4) are including third motor (41), dwang (42) and agitator wheel (43), work box (1) middle part inboard is provided with dwang (42), dwang (42) run through work box (1) middle part side with fix the output shaft fixed connection of third motor (41) in work box (1) outside, dwang (42) fixed surface installs a plurality of agitator wheel (43).

4. A wastewater treatment dosing device according to claim 1, wherein: the stirring blade (8) is characterized in that an empty groove is formed in the stirring blade (8), a discharge hole (81) penetrating through the side wall of the empty groove is formed in the front side wall and the rear side wall of the empty groove, and the switching tube (7) is communicated with the discharge hole (81) through the empty groove.

5. A wastewater treatment dosing device as in claim 4, wherein: the stirring blades (8) are arranged in a plurality, and the stirring blades (8) are uniformly distributed on the outer surface of the switching pipe (7).

6. A wastewater treatment dosing device according to claim 1, wherein: unidirectional tube (6) are including cone type groove (61) and switching groove (62), rotate tub (5) and communicate each other through cone type groove (61) and switching groove (62) and switching pipe (7) in proper order, the diameter of switching groove (62) equals the maximum diameter of cone type groove (61), a plurality of round hole groove (64) have evenly been seted up in the roof outside of switching groove (62), a plurality of round hole groove (64) the equal fixed mounting in roof have spring (65), a plurality of spring (65) keep away from the common fixed mounting of one end in round hole groove (64) baffle (63).

7. A wastewater treatment dosing device according to claim 1, wherein: the utility model discloses a hydraulic control device for a working box, including work box (1), baffle (9) are installed to lower part fixed mounting in the inner chamber of work box (1), four baffle (9) are in form four pyramid groove (10) between work box (1) inner chamber, through-hole (101) that run through baffle (9) are seted up at the middle part in four pyramid groove (10), the upper end of rotating tube (5) extends to the inner chamber of work box (1) and rotates the lower part of connecting at baffle (9), rotating tube (5) and through-hole (101) intercommunication each other.

8. A wastewater treatment dosing device as in claim 7, wherein: the outer side surface of the bottom end of the quadrangular pyramid-shaped groove (10) is provided with a plurality of vibrating devices (11).

9. A wastewater treatment dosing device as in claim 8, wherein: vibrating device (11) are including mounting bracket, swing arm (111), strike piece (112), top and hit piece (113) and electric telescopic handle (114), the mounting bracket sets up the bottom lateral surface of quadrangular pyramid groove (10), be provided with the axostylus axostyle between two curb plates of mounting bracket, the axostylus axostyle runs through swing arm (111), swing arm (111) are close to the lateral surface of quadrangular pyramid groove (10) bottom is provided with and beats piece (112), electric telescopic handle (114) set up top is hit piece (113) bottom, and fix the surface at mounting panel (115), mounting panel (115) are fixed on work box (1) inside wall, top of top hit piece (113) with swing arm (111) bottom butt.

10. A wastewater treatment dosing device as in claim 9, wherein: the inner cavity of the working box (1) is fixedly provided with a fourth motor (12) at the right part of the bottom wall below the quadrangular pyramid-shaped groove (10), the output end of the fourth motor (12) is fixedly provided with a first bevel gear (13), the lower part of the outer surface of the rotating tube (5) is fixedly provided with a second bevel gear (14), and the right parts of the outer surfaces of the first bevel gear (13) and the second bevel gear (14) are meshed.