CN214715981U

CN214715981U - Environment-friendly water treatment is with mixing medicine stirring pond

Info

Publication number: CN214715981U
Application number: CN202120729969.8U
Authority: CN
Inventors: 温海召
Original assignee: Xi'an Hrj Environmental Protection Science And Technology Co ltd
Current assignee: Xi'an Hrj Environmental Protection Science And Technology Co ltd
Priority date: 2021-04-12
Filing date: 2021-04-12
Publication date: 2021-11-16
Anticipated expiration: 2031-04-12

Abstract

The utility model provides an environmental protection water treatment is with mixing medicine stirring pond belongs to stirring pond technical field, the utility model discloses, it comprises pond, crossbeam, motor, base, puddler and stop gear, and the pond is the stirring pond, and the one side welding of pond has two crossbeams, and the one end of pond is equipped with the base, and the one end of base is equipped with the motor, and the one end that the motor was kept away from to the base is equipped with the puddler, and the one end welding of two crossbeams has eight protruding arms, and two liang of a set of eight protruding arms. The utility model discloses, through the sliding pressure board for the clamp plate area inserted bar and first spring remove to the direction of keeping away from the crossbeam together, and the first spring of inserted bar extrusion rectangular channel is interior, makes the clamp plate not in the top of crossbeam, has solved current motor and has installed when the crossbeam, just simply puts on the crossbeam, does not have fine fixed measure, has vibrations when motor start-up during operation, leads to the motor to take place easily to empty, thereby leads to processing the appearance problem.

Description

Environment-friendly water treatment is with mixing medicine stirring pond

Technical Field

The utility model belongs to the technical field of the stirring pond, especially, relate to an environmental protection water treatment is with mixing medicine stirring pond.

Background

The stirring pond is the pond of building with cement, and the pond is inside to be hollow, and the stirring pond is often used for stirring liquid medicine, so top on the stirring pond can be equipped with crossbeam, motor and puddler, drives the puddler through the motor and rotates for the puddler stirs the fusion to the liquid medicine in the stirring pond.

When the existing motor is installed on the cross beam, the existing motor is simply placed on the cross beam, good fixing measures are not provided, when the motor starts to work, the motor is prone to toppling, and therefore processing problems are caused.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving and having current motor among the prior art and when installing on the crossbeam, just put on the crossbeam simply, do not have fine fixed measure, have vibrations when motor start work, lead to the motor to take place easily and empty to lead to processing error shortcoming, and the environmental protection water treatment that proposes stirs the pond with mixing the powder.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides an environmental protection is mixed medicine stirring pond for water treatment, it comprises pond, crossbeam, motor, base, puddler and stop gear, the pond is the stirring pond, the one side welding of pond has two crossbeams, the one end of pond is equipped with the base, the one end of base is equipped with the motor, the one end that the motor was kept away from to the base is equipped with the puddler, two the one end welding of crossbeam has eight convex arms, and two liang of a set of eight convex arms, and the one end sliding connection that same group convex arm is close to each other has the clamp plate, the both sides fixed mounting of clamp plate has the inserted bar, the one end fixed connection of inserted bar has first spring, the one end and the convex arm solid dress that the inserted bar was kept away from to first spring, the one end of convex arm is equipped with the stop gear of fixed clamp plate, stop gear includes slider and cardboard, the one end and the convex arm sliding connection of slider, the one end fixed mounting of slider has the cardboard, the clamping plate plays a role in clamping the pressing plate, the sliding block is L-shaped, the clamping plate is U-shaped, the short arm end of the sliding block and the clamping plate are fixedly arranged, and one end of the clamping plate is provided with a positioning assembly for fixing the pressing plate.

The two ends, close to each other, of the convex arms are provided with rectangular grooves, the surfaces of the inserting rods are in sliding connection with the rectangular grooves, and one end of the first spring is fixedly installed with the rectangular grooves.

The locating component comprises an inserting column and an inserting hole, one end of the inserting column and a clamping plate are fixedly installed, the inserting hole is formed in the two sides of the pressing plate, the size of the inserting hole and the size of the inserting column are matched to be used for clamping the inserting column, a first threaded rod is connected to one end of the pressing plate in a threaded mode, a welding block is welded to one end, close to the pressing plate, of the cross beam, and a threaded hole is formed in one end, close to the pressing plate, of the welding block.

The utility model discloses a stirring rod, including the stirring rod, the one end of bottom plate is connected with two bottom plates of fixed surface, the one end sliding connection of bottom plate has the slide, two one side fixed mounting that the slide is close to each other has a arm lock and No. two arm locks, the one end threaded connection of an arm lock has two second threaded rods, No. two the one end set up threaded hole that the arm lock is close to an arm lock, the one end of bottom plate is equipped with the shielding piece that blocks the slide, the spout has been seted up to the one side that the bottom plate is close to the base, the surface and the spout sliding connection of slide.

The baffle piece comprises a baffle plate, the baffle plate is inserted into a sliding groove of the bottom plate in a sliding mode, the baffle plate is T-shaped, the baffle plate plays a role of shielding the sliding plate, the side wall of the bottom plate is fixedly connected with four second springs, the four second springs are two-by-two in one group, one end of each second spring is fixedly connected with the bottom plate, and one end, far away from the bottom plate, of each second spring is fixedly installed with the baffle plate.

Compared with the prior art, the utility model has the advantages and positive effects that,

1. in the utility model, the press plate drives the inserted bar and the first spring to move together in the direction away from the beam through the sliding press plate, the inserted bar extrudes the first spring in the rectangular groove, the press plate is not arranged above the beam, when the press plate moves to a proper position, the jack and the inserted column of the side wall of the press plate are on the same straight line, the L-shaped slide block on the sliding convex arm drives the L-shaped slide block to move together with the inserted column in the direction of the press plate, the surfaces of the U-shaped clamp plate and the press plate are clamped, the inserted column on the U-shaped clamp plate enters the jack of the side wall of the press plate to be fixed, the inserted column fixes the press plate through the jack, thereby the base and the motor are conveniently placed on the two beams, one surface of the base is movably connected with the beam, when the base is placed, the L-shaped slide block, the U-shaped clamp plate and the inserted column move together in the direction away from the press plate, make the clamp plate no longer by fixed, the first spring in the rectangular channel resumes elasticity this moment, first spring area inserted bar and clamp plate reset, let the one side of clamp plate and the surface sliding connection of base, the welding piece on the first threaded rod on the clamp plate and the crossbeam is on same straight line, rotate first threaded rod again, make the screw hole on first threaded rod and the welding piece fixed, make base and motor fixed between clamp plate and crossbeam, when having solved current motor and installed on the crossbeam, just put on the crossbeam simply, there is not fine fixed measure, there is vibrations when motor start-up during operation, lead to the motor to take place to empty easily, thereby lead to processing the appearance problem.

2. In the utility model, the baffle plate on the bottom plate is pulled to drive the T-shaped baffle plate to move together with the second spring in the direction away from the bottom plate, at the moment, the sliding plates in the two chutes are slid to drive the first clamping arm and the second clamping arm to slide in the direction away from each other, one surface of the sliding plate is attached to the inner wall of the chute, then the T-shaped baffle plate is loosened to restore the elasticity of the second spring, the second spring drives the baffle plate to reset, one surface of the baffle plate is in sliding connection with one surface of the sliding plate, at the moment, the sliding plate is fixed in the chute by the baffle plate, the stirring rod is sleeved on the output end of the motor, after the stirring rod is sleeved, the baffle plate is slid in the direction away from the bottom plate, the sliding plate is not fixed any more, at the moment, the two sliding plates are moved in the direction close to each other, the first clamping arm and the second clamping arm also move in the direction close to each other, the first clamping arm and the second clamping arm clamp the output end of the motor, rotate the second threaded rod on the arm lock again for threaded hole on second threaded rod and the arm lock No. two is fixed, thereby let the output of arm lock and arm lock No. two and motor fixed, make puddler and motor fixed, solved the stirring pond and after having stirred liquid medicine, pour into new liquid medicine into and need rinse the puddler, can have remaining liquid medicine on avoiding the puddler, can pollute new liquid medicine, but the problem that current puddler is difficult to the dismantlement.

Drawings

FIG. 1 is a schematic view of a three-dimensional structure of a mixing and stirring tank for environmental protection water treatment;

FIG. 2 is a schematic structural diagram of a location A in the mixing and stirring tank for environmental protection water treatment shown in FIG. 1;

FIG. 3 is a schematic structural diagram of a convex arm in the mixing and stirring tank for environmental protection water treatment shown in FIG. 1;

FIG. 4 is a schematic structural diagram of a location B in the mixing and stirring tank for environmental protection water treatment shown in FIG. 2;

FIG. 5 is a schematic structural diagram of a base in the mixing and stirring tank for environmental protection water treatment shown in FIG. 1;

FIG. 6 is a schematic structural diagram of a location C in the mixing and stirring tank for environmental protection water treatment shown in FIG. 5;

fig. 7 is a schematic structural diagram of an assembled state of the mixing and stirring tank for environmental protection water treatment shown in fig. 1.

Illustration of the drawings: 1. a pool; 2. a cross beam; 3. a base; 4. an electric motor; 5. a stirring rod; 6. inserting a rod; 7. a convex arm; 8. welding the blocks; 9. pressing a plate; 10. a first threaded rod; 11. a slider; 12. clamping a plate; 13. inserting a column; 14. a jack; 15. a rectangular groove; 16. a first spring; 17. a base plate; 18. a chute; 19. a slide plate; 20. a first clamping arm; 21. a second clamping arm; 22. a second threaded rod; 23. a baffle plate; 24. a second spring.

Detailed Description

In order to make the above objects, features and advantages of the present invention more clearly understood, the present invention will be further described with reference to the accompanying drawings and examples. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the present invention is not limited to the limitations of the specific embodiments of the present disclosure.

Embodiment 1, as shown in fig. 1-7, a mixing and stirring tank for environmental protection water treatment comprises a tank 1, beams 2, a motor 4, a base 3, a stirring rod 5 and a limiting mechanism, wherein the tank 1 is a stirring tank, two beams 2 are welded on one surface of the tank 1, the base 3 is arranged at one end of the tank 1, the motor 4 is arranged at one end of the base 3, and the stirring rod 5 is arranged at one end of the base 3, which is far away from the motor 4.

As shown in fig. 1 and 3, eight protruding arms 7 are welded at one end of two beams 2, and eight protruding arms 7 are grouped in pairs, and one end of the same group of protruding arms 7 close to each other is slidably connected with a pressing plate 9, two sides of the pressing plate 9 are fixedly provided with an inserting rod 6, one end of the inserting rod 6 is fixedly connected with a first spring 16, one end of the first spring 16 far away from the inserting rod 6 is fixedly mounted with the protruding arms 7, one end of the protruding arm 7 is provided with a limiting mechanism for fixing the pressing plate 9, one end of the two protruding arms 7 close to each other is provided with a rectangular groove 15, the surface of the inserting rod 6 is slidably connected with the rectangular groove 15, one end of the first spring 16 is fixedly mounted with the rectangular groove 15, the limiting mechanism comprises a sliding block 11 and a clamping plate 12, one end of the sliding block 11 is slidably connected with the protruding arms 7, one end of the sliding block 11 is fixedly provided with the clamping plate 12, the clamping plate 12 plays a role of clamping the clamping pressing plate 9, the sliding block 11 is in an "L" shape, the clamping plate 12 is in a "U" shape, the short arm end of the sliding block 11 is fixedly installed with the clamping plate 12, one end of the clamping plate 12 is provided with a positioning component for fixing the pressing plate 9, the positioning component comprises an inserting column 13 and a jack 14, the pressing plate 9 drives the inserting rod 6 and a first spring 16 to move together towards the direction far away from the cross beam 2 through the sliding pressing plate 9, the inserting rod 6 extrudes the first spring 16 in the rectangular groove 15, the pressing plate 9 is not arranged above the cross beam 2, after the pressing plate 9 moves to a proper position, the jack 14 on the side wall of the pressing plate 9 and the inserting column 13 are on the same straight line, at the moment, the L-shaped sliding block 11 on the sliding convex arm 7 drives the U-shaped clamping plate 12 and the inserting column 13 to move together towards the pressing plate 9, the U-shaped clamping plate 12 is clamped with the surface of the pressing plate 9, at the moment, the inserting column 13 on the U-shaped clamping plate 12 can enter the jack 14 on the side wall of the pressing plate 9 to be fixed, the press plate 9 is fixed by the inserting columns 13 through the inserting holes 14, so that the base 3 and the motor 4 can be conveniently placed on the two cross beams 2, one end of each inserting column 13 is fixedly installed with the clamping plate 12, the inserting holes 14 are formed in two sides of the press plate 9, the size of each inserting hole 14 is matched with the size of the corresponding inserting column 13 to be used for clamping the corresponding inserting column 13, one end of each press plate 9 is in threaded connection with the first threaded rod 10, one end, close to the press plate 9, of each cross beam 2 is welded with the corresponding welding block 8, one side of the base 3 is movably connected with the corresponding cross beam 2, after the base 3 is placed, the L-shaped sliding block 11, the U-shaped clamping plate 12 and the corresponding inserting column 13 are moved together in the direction far away from the press plate 9, so that the press plate 9 is not fixed any more, the first springs 16 in the rectangular grooves 15 recover elasticity, the inserting rods 6 and the press plate 9 are reset by the first springs 16, one side of the press plate 9 is connected with the surface of the base 3 in a sliding mode, the first threaded rods 10 on the press plate 9 and the welding blocks 8 on the cross beams 2 are on the same straight line, and then, the first threaded rod 10 is rotated, so that the first threaded rod 10 and the threaded hole in the welding block 8 are fixed, the base 3 and the motor 4 are fixed between the pressing plate 9 and the cross beam 2, and the threaded hole is formed in one end, close to the pressing plate 9, of the welding block 8.

The effect that its upper segment part cooperation was used and is reached is, through sliding clamp plate 9, make clamp plate 9 bring inserted bar 6 and first spring 16 to the direction of keeping away from crossbeam 2 together and move, inserted bar 6 extrudes first spring 16 in the rectangular channel 15, make clamp plate 9 not in the top of crossbeam 2, after clamp plate 9 moved to suitable position, jack 14 and inserted post 13 of the clamp plate 9 lateral wall will be on the same straight line, slide "L" shape slider 11 on the convex arm 7 at this moment, make "L" shape slider 11 bring "U" font cardboard 12 and inserted post 13 to move to clamp plate 9 direction together, let "U" font cardboard 12 and clamp plate 9 surface carry on the joint, inserted post 13 on "U" font cardboard 12 will enter jack 14 of clamp plate 9 lateral wall internal fixation at this moment, inserted post 13 fixes clamp plate 9 through jack 14, thereby make things convenient for put base 3 and motor 4 on two crossbeams 2, one side of the base 3 is movably connected with the beam 2, after the base 3 is placed, the L-shaped sliding block 11, the U-shaped clamping plate 12 and the inserting column 13 move together towards the direction far away from the pressing plate 9, so that the pressing plate 9 is not fixed any more, at the moment, the first spring 16 in the rectangular groove 15 recovers the elasticity, the first spring 16 drives the inserting rod 6 and the pressing plate 9 to reset, one side of the pressing plate 9 is connected with the surface of the base 3 in a sliding manner, the first threaded rod 10 on the pressing plate 9 and the welding block 8 on the beam 2 are on the same straight line, the first threaded rod 10 is rotated again, the first threaded rod 10 and the threaded hole on the welding block 8 are fixed, the base 3 and the motor 4 are fixed between the pressing plate 9 and the beam 2, the problem that the existing motor 4 is only simply placed on the beam 2 when being installed on the beam 2 is solved, no good fixing measure exists, and the motor 4 can vibrate when being started to work, causing the motor 4 to easily topple over, resulting in processing problems.

As shown in fig. 1 and fig. 6, two bottom plates 17 are fixedly connected to the surface of the stirring rod 5, one end of each bottom plate 17 is slidably connected with a sliding plate 19, one side of each sliding plate 19, which is close to each other, is fixedly provided with a first clamping arm 20 and a second clamping arm 21, one end of each first clamping arm 20 is in threaded connection with two second threaded rods 22, one end of each second clamping arm 21, which is close to the first clamping arm 20, is provided with a threaded hole, one end of each bottom plate 17 is provided with a shielding member for shielding the sliding plate 19, one side of each bottom plate 17, which is close to the base 3, is provided with a sliding groove 18, the surface of each sliding plate 19 is slidably connected with the sliding groove 18, by pulling the baffle 23 on the bottom plate 17, the "T" -shaped baffle 23 drives the second spring 24 to move together in a direction away from the bottom plate 17, at this time, the sliding plates 19 in the two sliding grooves 18 drive the first clamping arms 20 and the second clamping arms 21 to slide in directions away from each other, one side of the sliding plate 19 is attached to the inner wall of the sliding groove 18, the T-shaped baffle plate 23 is loosened to enable the second spring 24 to recover the elastic force, the second spring 24 drives the baffle plate 23 to reset, one side of the baffle plate 23 is in sliding connection with one side of the sliding plate 19, the sliding plate 19 is fixed in the sliding groove 18 through the baffle plate 23 at the moment, the stirring rod 5 is sleeved on the output end of the motor 4, after the stirring rod 5 is sleeved, the baffle plate 23 slides towards the direction far away from the bottom plate 17 to enable the sliding plate 19 not to be fixed any more, the shielding part comprises the baffle plate 23, the baffle plate 23 is inserted into the sliding groove 18 of the bottom plate 17 in a sliding mode, the baffle plate 23 is T-shaped, the baffle plate 23 plays a role of shielding the sliding plate 19, the side walls of the two bottom plates 17 are fixedly connected with the four second springs 24, the four second springs 24 are in a group, one end of each second spring 24 is fixedly connected with the bottom plate 17, the two sliding plates 19 are moved towards the direction close to each other, make No. one arm lock 20 and No. two arm lock 21 also to the direction that is close to each other remove, No. one arm lock 20 and No. two arm lock 21 clip motor 4's output, rotate the second threaded rod 22 on the arm lock 20 again for threaded hole on second threaded rod 22 and No. two arm lock 21 is fixed, thereby let No. one arm lock 20 and No. two arm lock 21 fixed with motor 4's output, make puddler 5 fixed with motor 4, the one end and the baffle 23 fixed mounting of bottom plate 17 are kept away from to second spring 24.

The upper part of the device is matched with the base plate 17 to achieve the effect that the T-shaped baffle plate 23 drives the second spring 24 to move together in the direction far away from the base plate 17 by pulling the baffle plate 23 on the base plate 17, the sliding plates 19 in the two sliding chutes 18 slide at the moment, the two sliding plates 19 respectively drive the first clamping arm 20 and the second clamping arm 21 to slide in the direction far away from each other, one surface of the sliding plate 19 is attached to the inner wall of the sliding chute 18, the T-shaped baffle plate 23 is loosened to restore the elasticity of the second spring 24, the second spring 24 drives the baffle plate 23 to reset, one surface of the baffle plate 23 is in sliding connection with one surface of the sliding plate 19, the sliding plate 19 is fixed in the sliding chute 18 by the baffle plate 23 at the moment, the stirring rod 5 is sleeved on the output end of the motor 4, the baffle plate 23 slides in the direction far away from the base plate 17 after the stirring rod 5 is sleeved, the sliding plate 19 is not fixed, and the two sliding plates 19 move in the direction close to each other at the moment, make an arm lock 20 and No. two arm lock 21 also to the direction removal that is close to each other, an arm lock 20 and No. two arm lock 21 clip motor 4's output, rotate second threaded rod 22 on the arm lock 20 again, make threaded hole on second threaded rod 22 and No. two arm lock 21 fixed, thereby let arm lock 20 and No. two arm lock 21 fixed with motor 4's output, make puddler 5 fixed with motor 4, solved the stirring pond after stirring once liquid medicine, it needs wash puddler 5 to pour into new liquid medicine into, can have remaining liquid medicine on avoiding puddler 5, can pollute new liquid medicine, but the problem that current puddler 5 is difficult to dismantle.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in other forms, and any person skilled in the art may use the above-mentioned technical contents to change or modify the equivalent embodiment into equivalent changes and apply to other fields, but any simple modification, equivalent change and modification made to the above embodiments according to the technical matters of the present invention will still fall within the protection scope of the technical solution of the present invention.

Claims

1. The utility model provides an environmental protection water treatment is with mixing medicine stirring pond, it comprises pond (1), crossbeam (2), motor (4), base (3), puddler (5) and stop gear, its characterized in that: the tank (1) is a stirring tank, two beams (2) are welded on one surface of the tank (1), one end of the pool (1) is provided with a base (3), one end of the base (3) is provided with a motor (4), a stirring rod (5) is arranged at one end of the base (3) far away from the motor (4), eight convex arms (7) are welded at one ends of the two cross beams (2), and the eight convex arms (7) are grouped in pairs, and one end of the same group of convex arms (7) close to each other is connected with a pressing plate (9) in a sliding way, the two sides of the pressure plate (9) are fixedly provided with inserting rods (6), one end of each inserting rod (6) is fixedly connected with a first spring (16), one end of the first spring (16) far away from the inserted link (6) is fixedly arranged with the convex arm (7), one end of the convex arm (7) is provided with a limiting mechanism for fixing the pressing plate (9).

2. The environment-friendly medicine mixing and stirring tank for water treatment as claimed in claim 1, wherein: the two ends, close to each other, of the convex arms (7) are provided with rectangular grooves (15), the surface of the inserted bar (6) is in sliding connection with the rectangular grooves (15), and one end of the first spring (16) is fixedly mounted with the rectangular grooves (15).

3. The environment-friendly medicine mixing and stirring tank for water treatment as claimed in claim 1, wherein: the limiting mechanism comprises a sliding block (11) and a clamping plate (12), one end of the sliding block (11) is connected with the convex arm (7) in a sliding mode, the clamping plate (12) is fixedly mounted at one end of the sliding block (11), and the clamping plate (12) plays a role in clamping the pressing plate (9).

4. The environment-friendly medicine mixing and stirring tank for water treatment as claimed in claim 3, wherein: the slider (11) is L-shaped, the clamping plate (12) is U-shaped, the short arm end of the slider (11) and the clamping plate (12) are fixedly installed, and one end of the clamping plate (12) is provided with a positioning component for fixing the pressing plate (9).

5. The environment-friendly medicine mixing and stirring tank for water treatment as claimed in claim 4, wherein: the locating component comprises an inserting column (13) and an inserting hole (14), one end of the inserting column (13) is fixedly installed with a clamping plate (12), the inserting hole (14) is formed in the two sides of the pressing plate (9), and the size of the inserting hole (14) is matched with the size of the inserting column (13) in a clamping mode to be used as the inserting column (13).

6. The environment-friendly medicine mixing and stirring tank for water treatment as claimed in claim 1, wherein: one end of the pressing plate (9) is in threaded connection with a first threaded rod (10), one end, close to the pressing plate (9), of the cross beam (2) is welded with a welding block (8), and one end, close to the pressing plate (9), of the welding block (8) is provided with a threaded hole.

7. The environment-friendly medicine mixing and stirring tank for water treatment as claimed in claim 1, wherein: the fixed surface of puddler (5) is connected with two bottom plates (17), the one end sliding connection of bottom plate (17) has slide (19), two one side fixed mounting that slide (19) are close to each other has a arm lock (20) and No. two arm lock (21), the one end threaded connection of an arm lock (20) has two second threaded rods (22), No. two arm lock (21) are close to the one end of an arm lock (20) and have seted up the screw hole, the one end of bottom plate (17) is equipped with the shielding piece that blocks slide (19).

8. The environment-friendly medicine mixing and stirring tank for water treatment as claimed in claim 7, wherein: one side of the bottom plate (17) close to the base (3) is provided with a sliding groove (18), and the surface of the sliding plate (19) is in sliding connection with the sliding groove (18).

9. The environment-friendly medicine mixing and stirring tank for water treatment as claimed in claim 7, wherein: the shielding piece comprises a baffle plate (23), the baffle plate (23) is slidably inserted into the sliding groove (18) of the bottom plate (17), the baffle plate (23) is T-shaped, and the baffle plate (23) plays a role in shielding the sliding plate (19).

10. The environment-friendly medicine mixing and stirring tank for water treatment as claimed in claim 7, wherein: the side walls of the two bottom plates (17) are fixedly connected with four second springs (24), every two of the four second springs (24) form a group, one end of each second spring (24) is fixedly connected with the corresponding bottom plate (17), and one end, far away from the corresponding bottom plate (17), of each second spring (24) is fixedly installed with the corresponding baffle plate (23).