CN211712844U - Environment-friendly field sewage purification device - Google Patents

Abstract

The utility model discloses an open-air sewage purification device of environment-friendly, the on-line screen storage device comprises a base, the top fixed mounting of base has the stand and places the box, and the top fixed mounting of stand has solar cell panel, and solar cell panel sets up for the slope, and the top of placing the box is the opening structure, and the box fixed mounting of placing has the battery, and the top fixed mounting of base has first box, and fixed mounting has ultraviolet sterilamp on the top inner wall of first box, and fixed mounting has fine filter and active carbon water purification board in the first box, and the active carbon water purification board is located the below of fine filter. The utility model relates to a rationally, the practicality is good, can utilize the solar energy power supply, need not to use external electric energy, has energy-concerving and environment-protective effect, carries out effectual purification treatment to open-air sewage, and purifying effect is good, and to the sewage purification in-process, should not cause the filter to block up moreover, has improved sewage purification's efficiency.

Description

Environment-friendly field sewage purification device

Technical Field

The utility model relates to a sewage purification equipment technical field specifically is an open-air sewage purification device of environment-friendly.

Background

The field sewage purification equipment is equipment for purifying field sewage, particularly, when water needs to be supplied in occasions such as earthquake relief work, army field training and the like, a water works can not realize supply, and especially after the disaster, after the power supply is lacked and a water source is polluted, clean drinking water is in short supply, and the conventional water purification equipment can not work, so that the field sewage purification equipment is used for purifying the sewage so as to facilitate emergency use of people for quenching thirst, bathing and the like.

However, in the prior art, when the commonly used field sewage purification equipment is used, the purification and filtration effect on sewage is not good, impurity particles in the sewage easily block the filter plate, the filtration effect of the filter plate on the sewage is influenced, the sewage purification treatment efficiency is reduced, and the use of people is influenced.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides an open-air sewage purification device of environment-friendly has solved open-air sewage purification equipment and has been not good to the purifying and filtering effect of sewage, and the impurity granule in the sewage blocks up the filter easily, leads to sewage purification treatment efficiency to reduce, and open-air sewage purification equipment need consume the electric energy when using in addition, does not have energy-concerving and environment-protective effect, the unable normal use problem of open-air sewage purification equipment under the circumstances that does not have the electric energy.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: an environment-friendly field sewage purification device comprises a base, wherein a stand column and a placing box are fixedly installed at the top of the base, a solar cell panel is fixedly installed at the top of the stand column, the solar cell panel is arranged in an inclined manner, the top of the placing box is of an open structure, a storage battery is fixedly installed in the placing box, a first box body is fixedly installed at the top of the base, an ultraviolet sterilizing lamp is fixedly installed on the inner wall of the top of the first box body, a fine filter plate and an active carbon water purification plate are fixedly installed in the first box body, the active carbon water purification plate is positioned below the fine filter plate, a first rotating shaft positioned above the fine filter plate is arranged in the first box body, eight first stirring rods are fixedly installed on the first rotating shaft, the eight first stirring rods are symmetrically arranged in pairs, first scraping plates are fixedly installed at one ends of the eight first stirring rods, which are far away from the first rotating shaft, one ends of the eight first stirring, a motor is fixedly arranged on one side of the first box body, the output shaft end of the motor is fixedly connected with one end of the first rotating shaft, which is positioned outside the first box body, a water outlet pipe is fixedly arranged on one side of the first box body, which is far away from the placing box, the water outlet pipe is communicated with the inside of the first box body, a second box body is fixedly arranged on the top of the first box body, a coarse filter plate is fixedly arranged in the second box body, a second rotating shaft positioned above the coarse filter plate is arranged in the second box body, six second stirring rods are fixedly arranged on the second rotating shaft, the six second stirring rods are symmetrically arranged in pairs, second scraping plates are fixedly arranged at one ends of the six second stirring rods, which are far away from the second rotating shaft, one end of the second rotating shaft extends out of the second box body and is fixedly provided with a second belt pulley, the same belt is wound on the second belt pulley and the first belt pulley, a connecting, the bottom of connecting pipe extends to in the first box, and the top fixed mounting of first box has the water pump, and the discharge end fixed mounting of water pump has the raceway, and the one end that the water pump was kept away from to the raceway extends to in the second box and is located second pivot top.

Preferably, a hose is fixedly installed at the suction end of the water pump, a hook is fixedly installed on one side, far away from the placing box, of the first box body, and the hose is wound on the hook.

Preferably, the bottom fixed mounting of base has four support columns, and four support columns are two bisymmetry settings, and the gyro wheel is all installed to the bottom of four support columns, and fixed mounting has the stop valve on the outlet pipe.

Preferably, a first rectangular hole is formed in the inner wall of one side of the first box body, a first door plate is fixedly mounted on one side of the first box body and matched with the first rectangular hole, a second rectangular hole is formed in the inner wall of one side of the second box body, a second door plate is fixedly mounted on one side of the second box body and matched with the second rectangular hole.

Preferably, a first mounting hole is formed in the inner wall of one side of the first box body, the first rotating shaft penetrates through the first mounting hole, the first rotating shaft is in rotating connection and matching with the first mounting hole through a bearing, a second mounting hole is formed in the inner wall of one side of the second box body, the second rotating shaft penetrates through the second mounting hole, and the second rotating shaft is in rotating connection and matching with the second mounting hole through a bearing.

Preferably, a first bearing seat is fixedly installed on the inner wall of one side, away from the motor, of the first box body, one end, away from the first motor, of the first rotating shaft is rotatably installed on the first bearing seat, a second bearing seat is fixedly installed on the inner wall of one side, away from the stand column, of the second box body, and one end, away from the second belt pulley, of the second rotating shaft is rotatably installed on the second bearing seat.

(III) advantageous effects

The utility model provides an open-air sewage purification device of environment-friendly. The method has the following beneficial effects:

(1) this open-air sewage purification device of environment-friendly through utilizing solar cell panel to absorb the sunlight, converts solar energy into the battery storage in the battery, utilizes the battery can be to ultraviolet ray sterilamp, motor and water pump power supply to can use under the circumstances that does not have electric power in the field, play energy-concerving and environment-protective effect, utilize solar energy, utilize four gyro wheels can promote this equipment and remove.

(2) The environment-friendly field sewage purification device is characterized in that a hose is taken down from a hook, one end of the hose is inserted into water in a lake or a barrier lake, an ultraviolet sterilizing lamp, a water pump and a motor are started to work, the ultraviolet sterilizing lamp emits ultraviolet light, the motor drives a first rotating shaft, a first belt pulley, eight first stirring rods and eight first scraping plates to rotate, a second belt pulley, a second rotating shaft, six second stirring rods and six second scraping plates are driven to rotate under the driving action of a belt, the lake water is discharged into a second box body under the action of the water pump, large-particle impurities, water plants, soil and the like in the lake water are filtered by using a coarse filter plate, the surface of the coarse filter plate can be cleaned by using the rotation of the six second scraping plates, the blockage of the coarse filter plate and the influence on the filtering effect of the coarse filter plate are avoided, lake water after coarse filtration flows into the first box body through the connecting pipe, the lake water is further filtered by the fine filter plate, small particle impurities and the like in the lake water are enabled to be remained on the fine filter plate, the surfaces of the fine filter plate can be cleaned by the rotation of the eight first scraping plates, the blockage of the fine filter plate caused by the small particle impurities and the like is avoided, the filtering effect of the fine filter plate is influenced, the lake water in the first box body is irradiated by ultraviolet rays by an ultraviolet sterilizing lamp, microorganisms and the like in the lake water are sterilized, heavy metals, organic matters and other substances in the water are adsorbed and filtered by the activated carbon water purification plate, the purification of the lake water is completed, then the stop valve on the water outlet pipe is opened, the lake water after the purification is discharged from the water outlet pipe, the lake water can be drunk or used for bathing in emergency, the first door plate and the second door plate can be periodically detached, the surfaces of the fine filter plate, dismantle the change to the active carbon water purification board, the simple operation.

Drawings

FIG. 1 is a schematic view of the structure of the present invention;

FIG. 2 is a schematic sectional view of the front view of the present invention;

fig. 3 is an enlarged schematic view of a portion a of fig. 1.

In the figure: 1. a base; 2. a column; 3. placing the box; 4. a solar panel; 5. a storage battery; 6. a first case; 7. an ultraviolet sterilizing lamp; 8. a fine filter plate; 9. an activated carbon water purification plate; 10. a first rotating shaft; 11. a first stirring rod; 12. a first squeegee; 13. a first pulley; 14. a motor; 15. a water outlet pipe; 16. a second case; 17. a coarse filter plate; 18. a second rotating shaft; 19. a second stirring rod; 20. a second squeegee; 21. a second pulley; 22. a belt; 23. a connecting pipe; 24. a water pump; 25. a water delivery pipe; 26. a hose.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1-3, the utility model provides a technical solution: an environment-friendly field sewage purification device comprises a base 1, a vertical column 2 and a placing box 3 are fixedly mounted at the top of a base 1, a solar cell panel 4 is fixedly mounted at the top of the vertical column 2, the solar cell panel 4 is arranged in an inclined manner, the top of the placing box 3 is of an open structure, a storage battery 5 is fixedly mounted in the placing box 3, a first box body 6 is fixedly mounted at the top of the base 1, an ultraviolet sterilizing lamp 7 is fixedly mounted on the inner wall of the top of the first box body 6, a fine filter plate 8 and an active carbon water purification plate 9 are fixedly mounted in the first box body 6, the active carbon water purification plate 9 is positioned below the fine filter plate 8, a first rotating shaft 10 positioned above the fine filter plate 8 is arranged in the first box body 6, eight first stirring rods 11 are fixedly mounted on the first rotating shaft 10, the eight first stirring rods 11 are arranged in pairwise symmetry, first scraping plates 12 are fixedly mounted at one ends of the eight first stirring rods 11, one end of a first rotating shaft 10 extends to the outside of the first box body 6 and is fixedly sleeved with a first belt pulley 13, one side of the first box body 6 is fixedly provided with a motor 14, the output shaft end of the motor 14 is fixedly connected with one end of the first rotating shaft 10 positioned outside the first box body 6, one side of the first box body 6 far away from the placing box 3 is fixedly provided with a water outlet pipe 15, the water outlet pipe 15 is communicated with the inside of the first box body 6, the top of the first box body 6 is fixedly provided with a second box body 16, a coarse filter plate 17 is fixedly arranged in the second box body 16, a second rotating shaft 18 positioned above the coarse filter plate 17 is arranged in the second box body 16, six second stirring rods 19 are fixedly arranged on the second rotating shaft 18, the six second stirring rods 19 are arranged in pairwise symmetry, one ends of the six second stirring rods 19 far away from the second rotating shaft 18 are fixedly provided with second scraper plates 20, one end of the second rotating shaft 18 extends to the outside the second box, around being equipped with same belt 22 on second belt pulley 21 and the first belt pulley 13, connecting pipe 23 is highly installed to the bottom of second box 16, connecting pipe 23 is linked together with second box 16 is inside, the bottom of connecting pipe 23 extends to in the first box 6, the top fixed mounting of first box 6 has water pump 24, discharge end fixed mounting of water pump 24 has raceway 25, the one end that water pump 24 was kept away from to raceway 25 extends to in the second box 16 and is located second pivot 18 top.

A hose 26 is fixedly installed at the suction end of the water pump 24, a hook is fixedly installed at one side of the first box body 6 far away from the placing box 3, the hose 26 is wound on the hook, four support columns are fixedly installed at the bottom of the base 1, the four support columns are symmetrically arranged in pairs, rollers are installed at the bottoms of the four support columns, a stop valve is fixedly installed on the water outlet pipe 15, a first rectangular hole is formed in the inner wall of one side of the first box body 6, a first door plate is fixedly installed at one side of the first box body 6, the first door plate is matched with the first rectangular hole, a second rectangular hole is formed in the inner wall of one side of the second box body 16, a second door plate is fixedly installed at one side of the second box body 16, the second door plate is matched with the second rectangular hole, a first installation hole is formed in the inner wall of one side of the first box body 6, the first rotating shaft 10 penetrates through the first installation hole, the second mounting hole has been seted up on one side inner wall of second box 16, the second mounting hole that runs through of second pivot 18, second pivot 18 passes through bearing and second mounting hole swivelling joint cooperation, fixed mounting has first bearing frame on the one side inner wall that motor 14 was kept away from to first box 6, the one end rotation that first motor 14 was kept away from to first pivot 10 is installed on first bearing frame, fixed mounting has the second bearing frame on the one side inner wall that stand 2 was kept away from to second box 16, the one end rotation that second belt pulley 21 was kept away from to second pivot 18 is installed on the second bearing frame.

When in use, the model of the ultraviolet sterilizing lamp 7 is GPH212T5L/4, the first door plate is fixedly arranged on one side of the first box body 6 through a plurality of screws, the first door plate is in sealing fit with the first rectangular hole, the second door plate is fixedly arranged on one side of the second box body 16 through a plurality of screws, the second door plate is in sealing fit with the second rectangular hole, the first door plate and the second door plate are detachable, the activated carbon water purifying plate 9 and the fine filtering plate 8 are fixedly arranged in the first box body 6 through screws, the coarse filtering plate 17 is fixedly arranged in the second box body 16 through screws, the coarse filtering plate 17 is detachable, the base 1 is fixedly provided with a control switch and a power wire, the solar cell panel 4, the storage battery 5, the ultraviolet sterilizing lamp 7, the motor 14, the water pump 24 and the control switch are electrically connected in sequence to form a closed loop, and the control switch can respectively control the start and stop of the ultraviolet, the solar energy is converted into a battery to be stored in the storage battery 5 by utilizing the solar cell panel 4, the ultraviolet sterilizing lamp 7, the motor 14 and the water pump 24 can be powered by utilizing the storage battery 5, so that the solar energy can be used under the condition that no electric power exists in the field, the energy-saving and environment-friendly effects are achieved, the solar energy can be utilized, the equipment can be pushed to move by utilizing the four rollers, the equipment can be moved to the places such as the lake or the barrier lake in the field, the hose 26 is taken down from the hook, one end of the hose 26 is inserted into the water of the lake or the barrier lake, the ultraviolet sterilizing lamp 7, the water pump 24 and the motor 14 are started to work, the ultraviolet sterilizing lamp 7 emits ultraviolet light, the motor 14 drives the first rotating shaft 10, the first belt pulley 13, the eight first stirring rods 11 and the eight first scraping plates 12 to rotate, and the second belt pulley 21, the water pump and the motor 14, The second rotating shaft 18, the six second stirring rods 19 and the six second scrapers 20 rotate, under the action of the water pump 24, lake water is discharged into the second box 16 through the hose 26, the water pump 24 and the water delivery pipe 25 in sequence, the coarse filter plate 17 is utilized to filter large-particle impurities, aquatic weeds, soil and the like in the lake water, the large-particle impurities, the aquatic weeds, the soil and the like are remained on the coarse filter plate 17, the six second scrapers 20 rotate to clean the surface of the coarse filter plate 17, the blockage of the coarse filter plate 17 caused by the large-particle impurities, the aquatic weeds, the soil and the like is avoided, the filtering effect of the coarse filter plate 17 is influenced, the lake water after coarse filtering falls through the coarse filter plate 17 and flows into the first box 6 through the connecting pipe 23, the fine filter plate 8 is utilized to further filter the lake water, the small-particle impurities and the like in the lake water are remained on the fine filter plate 8, and the rotation of the, can clean the surface of the fine filter plate 8, avoid the blockage of the fine filter plate 8 caused by small particle impurities and the like, influence the filtering effect of the fine filter plate 8, utilize the ultraviolet sterilizing lamp 7 to carry out ultraviolet irradiation on lake water in the first box body 6, carry out sterilization treatment on microorganisms and the like in the lake water, the filtered lake water passes through the fine filter plate 8, utilize the active carbon water purification plate 9 to carry out adsorption and filtration on substances such as heavy metals and organic matters in the lake water, thereby completing the purification of the lake water, then open the stop valve on the water outlet pipe 15, the purified lake water flows out from the water outlet pipe 15, can be drunk or bathed for use in emergency, when the lake water is not required to be purified, stop the ultraviolet sterilizing lamp 7, the motor 14 and the water pump 24, can regularly disassemble the first door plate and the second door plate, clean the surfaces of the fine filter plate 8 and the coarse filter plate 17, disassemble and replace the active carbon water purification plate 9, the operation is convenient, and the content which is not described in detail in the specification belongs to the prior art which is known by the person skilled in the art.

In conclusion, the environment-friendly field sewage purification device can utilize the solar cell panel 4 to absorb sunlight, convert the solar energy into batteries to be stored in the storage battery 5, utilize the storage battery 5 to supply power to the ultraviolet sterilizing lamp 7, the motor 14 and the water pump 24, so that the device can be used in the field without electric power, play a role in energy conservation and environmental protection, utilize the solar energy, utilize four rollers to push the device to move, take the hose 26 off the hook, insert one end of the hose 26 into the lake or the water in the dammed lake, start the ultraviolet sterilizing lamp 7, the water pump 24 and the motor 14 to work, the ultraviolet sterilizing lamp 7 emits ultraviolet light, the motor 14 drives the first rotating shaft 10, the first belt pulley 13, the eight first stirring rods 11 and the eight first scraping plates 12 to rotate, and drives the second belt pulley 21, the eight first scraping plates 12 to rotate under the transmission action of the belt 22, The second rotating shaft 18, the six second stirring rods 19 and the six second scrapers 20 rotate, lake water is discharged into the second box 16 under the action of the water pump 24, the coarse filter plate 17 is used for filtering large-particle impurities, waterweeds, soil and the like in the lake water, the six second scrapers 20 rotate to clean the surface of the coarse filter plate 17, the coarse filter plate 17 is prevented from being blocked by the large-particle impurities, the waterweeds, the soil and the like, the filtering effect of the coarse filter plate 17 is influenced, the lake water after coarse filtering flows into the first box 6 through the connecting pipe 23, the lake water is further filtered by the fine filter plate 8, small-particle impurities and the like in the lake water are left on the fine filter plate 8, the surface of the fine filter plate 8 can be cleaned by the rotation of the eight first scrapers 12, the blocking of the fine filter plate 8 caused by the small-particle impurities and the like is avoided, the filtering effect of the fine filter plate 8, the utility model has the advantages of utilize ultraviolet sterilization lamp 7 to carry out ultraviolet irradiation to lake water in first box 6, carry out sterilization to microorganism etc. in the lake water, utilize active carbon water purification board 9 to adsorb the filtration to substances such as heavy metal, organic matter in the aquatic, thereby accomplish the purification to lake water, then open the stop valve on outlet pipe 15, the lake water that purifies the completion flows out from outlet pipe 15, can drink or bathe and use when emergent, can regularly dismantle first door plant and second door plant, clean fine filter 8 and coarse filter 17 surface, dismantle the change to active carbon water purification board 9, and the operation is convenient, the utility model has the advantages of reasonable design, good practicality, can utilize solar energy power supply, need not to use external electric energy, have energy-concerving and environment-protective effect, carry out effectual purification to open-air sewage, and purifying effect is good, and to sewage purification in-process, the filter plate is not easy to be blocked, and the efficiency of sewage purification is improved.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides an open-air effluent treatment plant of environment-friendly, includes base (1), its characterized in that: the solar energy water purifier is characterized in that a stand column (2) and a placing box (3) are fixedly mounted at the top of a base (1), a solar cell panel (4) is fixedly mounted at the top of the stand column (2), the solar cell panel (4) is obliquely arranged, the top of the placing box (3) is of an open structure, a storage battery (5) is fixedly mounted in the placing box (3), a first box body (6) is fixedly mounted at the top of the base (1), an ultraviolet sterilizing lamp (7) is fixedly mounted on the inner wall of the top of the first box body (6), a fine filter plate (8) and an activated carbon water purifying plate (9) are fixedly mounted in the first box body (6), the activated carbon water purifying plate (9) is positioned below the fine filter plate (8), a first rotating shaft (10) positioned above the fine filter plate (8) is arranged in the first box body (6), eight first stirring rods (11) are fixedly mounted on the first rotating shaft (10), and the eight first stirring rods (11) are, one ends of the eight first stirring rods (11) far away from the first rotating shaft (10) are fixedly provided with first scrapers (12), one ends of the first rotating shafts (10) extend to the outside of the first box body (6) and are fixedly sleeved with first belt pulleys (13), one side of the first box body (6) is fixedly provided with a motor (14), the output shaft end of the motor (14) is fixedly connected with one end of the first rotating shaft (10) positioned outside the first box body (6), one side of the first box body (6) far away from the placing box (3) is fixedly provided with a water outlet pipe (15), the water outlet pipe (15) is communicated with the inside of the first box body (6), the top of the first box body (6) is fixedly provided with a second box body (16), a coarse filtering plate (17) is fixedly arranged in the second box body (16), a second rotating shaft (18) positioned above the coarse filtering plate (17) is arranged in the second box body (16), six second stirring rods (19) are fixedly arranged on the second rotating shaft, six second puddlers (19) are two bisymmetry settings, the equal fixed mounting in one end that second pivot (18) were kept away from in six second puddlers (19) has second scraper blade (20), the one end of second pivot (18) extends to outside second box (16) and fixed mounting has second belt pulley (21), around being equipped with same belt (22) on second belt pulley (21) and first belt pulley (13), connecting pipe (23) are highly installed to the bottom of second box (16), connecting pipe (23) are linked together with second box (16) are inside, the bottom of connecting pipe (23) extends to in first box (6), the top fixed mounting of first box (6) has water pump (24), the discharge end fixed mounting of water pump (24) has raceway (25), the one end that water pump (24) were kept away from in raceway (25) extends to in second box (16) and is located second pivot (18) top.

2. The environment-friendly field sewage purification device according to claim 1, wherein: the suction end fixed mounting of water pump (24) has hose (26), and one side fixed mounting who places box (3) is kept away from in first box (6) has the couple, and hose (26) coil on the couple.

3. The environment-friendly field sewage purification device according to claim 1, wherein: the bottom fixed mounting of base (1) has four support columns, and four support columns are two bisymmetry settings, and the gyro wheel is all installed to the bottom of four support columns, and fixed mounting has the stop valve on outlet pipe (15).

4. The environment-friendly field sewage purification device according to claim 1, wherein: the refrigerator is characterized in that a first rectangular hole is formed in the inner wall of one side of the first box body (6), a first door plate is fixedly mounted on one side of the first box body (6), the first door plate is matched with the first rectangular hole, a second rectangular hole is formed in the inner wall of one side of the second box body (16), a second door plate is fixedly mounted on one side of the second box body (16), and the second door plate is matched with the second rectangular hole.

5. The environment-friendly field sewage purification device according to claim 1, wherein: the novel box is characterized in that a first mounting hole is formed in the inner wall of one side of the first box body (6), the first rotating shaft (10) penetrates through the first mounting hole, the first rotating shaft (10) is in rotating connection and matching with the first mounting hole through a bearing, a second mounting hole is formed in the inner wall of one side of the second box body (16), the second rotating shaft (18) penetrates through the second mounting hole, and the second rotating shaft (18) is in rotating connection and matching with the second mounting hole through a bearing.

6. The environment-friendly field sewage purification device according to claim 1, wherein: the motor-driven power transmission device is characterized in that a first bearing seat is fixedly mounted on the inner wall of one side, away from the motor (14), of the first box body (6), one end, away from the first motor (14), of the first rotating shaft (10) is rotatably mounted on the first bearing seat, a second bearing seat is fixedly mounted on the inner wall of one side, away from the stand column (2), of the second box body (16), and one end, away from the second belt pulley (21), of the second rotating shaft (18) is rotatably mounted on the second bearing seat.

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