CN211999042U

CN211999042U - Mixed anaerobic ammonia oxidation quick starting device

Info

Publication number: CN211999042U
Application number: CN202020595706.8U
Authority: CN
Inventors: 吴鹏; 宋小康; 阴方芳; 丁敏; 刘文如; 朱成
Original assignee: Suzhou Purification Research Environmental Protection Technology Co ltd
Current assignee: Suzhou Purification Research Environmental Protection Technology Co ltd
Priority date: 2020-04-20
Filing date: 2020-04-20
Publication date: 2020-11-24
Anticipated expiration: 2030-04-20

Abstract

The utility model relates to the technical field of an auxiliary device for purifying urban sewage, in particular to a mixed anaerobic ammonia oxidation quick starting device; the working modes are various, a plurality of influence factors of the anaerobic ammonia oxidation technology can be conveniently adjusted, the working efficiency of the device is effectively improved, the using effect is strong, and the practicability is high; in addition, the stirring directions are various, the stirring and mixing effects are improved, the working accuracy of the device is effectively improved, and the use reliability of the device is improved; the device comprises a machine body, an electric heating plate, a speed reducer and a driving motor, wherein a working cavity is arranged in the machine body, and a feeding hole is formed in the top end of the machine body; the right side wall of the working cavity is provided with a partition plate, and the working cavity further comprises a connecting frame, a connecting plate, a driving plate, a hydraulic pipe, an oil tank, two groups of micropumps, a driving rod and a pressing plate, wherein the top end of the oil tank is provided with an oil conveying pipe, and the two groups of micropumps are respectively arranged on the upper side and the lower side of the oil conveying pipe; still include two sets of agitator motor, agitator motor's output is provided with the driving roller.

Description

Mixed anaerobic ammonia oxidation quick starting device

Technical Field

The utility model relates to a municipal sewage purification auxiliary device's technical field especially relates to a quick starting drive of mixed type anaerobic ammonia oxidation.

Background

As is well known, a hybrid anaerobic ammonia oxidation quick start device is a technology for oxidizing related anaerobic ammonia materials so as to be applied to the purification treatment work of municipal sewage, and is widely used in the field of municipal sewage treatment; the existing mixed anaerobic ammonia oxidation quick starting device comprises a machine body, an electric heating plate, a speed reducer and a driving motor, wherein a working cavity is arranged in the machine body, a feed inlet is formed in the top end of the machine body, the feed inlet is communicated with the working cavity, a baffle is hinged to the feed inlet, the driving motor is installed at the top end of the machine body, the speed reducer is located at the output end of the driving motor, a transmission shaft is arranged at the output end of the bottom of the speed reducer, stirring blades are arranged on the transmission shaft, a discharge pipe is arranged on the right side wall of the machine body, a discharge valve is arranged on the; when the existing mixed anaerobic ammonia oxidation quick starting device is used, a worker manually opens the baffle and puts water and related anaerobic ammonia materials into the working cavity from the feeding hole, opens the electric heating plate to heat the materials in the working cavity, opens the driving motor to drive the transmission shaft and simultaneously drive the stirring blades to move, performs mixing and stirring treatment on the related materials in the working cavity to perform chemical reaction to form a product meeting the requirements of production and processing, and opens the discharge valve and discharges the related material products after the use is finished; however, the existing mixed type rapid starting device for anammox is found to have a single working mode in use, so that the adjustment of multiple influencing factors of the anammox technology is inconvenient, the working efficiency of the device is low, the use effect is poor, and the practicability is low; and, the direction of its stirring is comparatively single, leads to its stirring effect of mixing to be relatively poor, and the work precision of device is lower, causes its use reliability lower.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problems, the utility model provides a working mode which is diversified, convenient for adjusting a plurality of influencing factors of the anaerobic ammonia oxidation technology, effectively improving the working efficiency of the device, stronger in use effect and higher in practicability; and the direction of stirring is comparatively various, improves its effect of stirring mixture, effectively improves the work precision of device to improve its mixed type anaerobic ammonia oxidation quick start device who uses the reliability.

The utility model discloses a mixed type anaerobic ammonia oxidation quick starting device, including organism, electric heating board, speed reducer and driving motor, be provided with the working chamber in the organism, the top of organism is provided with the feed inlet, and the feed inlet communicates with each other with the working chamber, and feed inlet department articulates and is provided with the baffle, and driving motor installs on the organism top, and the speed reducer is located driving motor's output, and the bottom output of speed reducer is provided with the transmission shaft to be provided with the stirring leaf on the transmission shaft, the right side wall of organism is provided with the blow-off pipe, and is provided with the blow-off valve on the blow-off pipe, and the; the right side wall of the working chamber is provided with a baffle plate, the front end and the rear end of the baffle plate are respectively connected with the front side wall and the rear side wall of the working chamber, the top end of the baffle plate is provided with a fixed plate, the top end of the fixed plate is connected with the top end of the working chamber, a placing chamber is formed between the baffle plate and the top end of the working chamber, a taking and placing opening is arranged on the machine body and communicated with the placing chamber, a baffle cover is arranged at the taking and placing opening, a discharge hole is arranged on the fixed plate, a bottom plate is arranged at the water through hole, two groups of movable frames are respectively arranged at the bottom end of the bottom plate and the right side wall of the working chamber, the machine body further comprises a connecting frame, a connecting plate, a driving plate, a hydraulic pipe, an oil tank, two groups of micro pumps, a driving rod and a pressing plate, the right side wall, the hydraulic pump device comprises a hydraulic pipe, a regulating cavity, an oil tank, an oil storage cavity, an oil conveying pipe, two groups of micro pumps, a driving plate and a connecting rod, wherein the hydraulic pipe is internally provided with the regulating cavity, the top end of the hydraulic pipe is provided with an opening, the opening is communicated with the regulating cavity, the oil tank is positioned in the working cavity, the oil storage cavity is internally provided with the oil storage cavity, the oil storage cavity is internally provided with hydraulic oil, the top end of the oil tank is provided with the oil conveying pipe, the two groups of micro pumps are respectively arranged on the upper side and the lower side of the oil conveying pipe, the top end and the bottom end of the driving rod are; still include two sets of agitator motor, the top and the bottom of working chamber are provided with two sets of fixed slots respectively, and the upside and the downside of two sets of fixed slots all are provided with two sets of dead levers, and agitator motor installs the dead lever top, agitator motor's output is provided with the driving roller, be provided with the multiunit fly leaf on the driving roller.

The utility model discloses a mixed type anaerobic ammonia oxidation quick start device still includes closing plate and cushion, and the closing plate is installed on the top of link, and the connecting rod stretches out to the spread groove outside, and the cushion is installed the top of closing plate, and the inside wall of cushion and the lateral wall contact of connecting rod.

The utility model discloses a mixed type anaerobic ammonia oxidation quick starting drive still includes concentration detection appearance and signal transmitter, and concentration detection appearance installs in the working chamber, and signal transmitter installs on the lateral wall of organism and is connected with the concentration detection appearance electricity.

The utility model discloses a quick starting drive of mixed type anaerobic ammonia oxidation still includes the thermometer, is provided with the mounting groove on the lateral wall of organism, and the thermometer is installed in the mounting groove, and the temperature sensing position and the contact of organism lateral wall of thermometer.

The utility model discloses a quick starting drive of mixed type anaerobic ammonia oxidation still includes the transparent plate, is provided with the observation hole on the lateral wall of organism, and the observation hole communicates with each other with the working chamber, and the transparent plate is installed observe on the hole.

The utility model discloses a quick starting drive of mixed type anaerobic ammonia oxidation still includes fixed axle and cleaning plate, and the fixed axle is installed at the working chamber, and the cleaning plate is installed on the fixed axle, be provided with the foam-rubber cushion on the cleaning plate, the foam-rubber cushion contacts with the transparent plate, is provided with the rocker on the cleaning plate, the rocker stretches out to the working chamber outside.

The utility model discloses a quick starting drive of mixed type anaerobic ammonia oxidation still includes the rubber gasket, and the rubber gasket is installed on the lateral wall of organism, and the inside wall and the contact of rocker lateral wall of rubber gasket.

The utility model discloses a quick starting drive of mixed type anaerobic ammonia oxidation still includes four group's landing legs, and four group's landing legs are installed respectively in the left front side, right front side, left rear side and the right back side of organism bottom, four group's landing leg bottoms are provided with four group's bases respectively.

Compared with the prior art, the beneficial effects of the utility model are that: the ammonia and nitrite or acid-base modifier used as the base material can be placed in the placing groove by a user, the micropump is opened when needed, the hydraulic oil in the oil tank is input into the adjusting cavity from the oil conveying pipe by utilizing the acting force generated by the micropump, the hydraulic oil enters the working cavity to extrude air, the pressing plate is moved to drive the driving rod and simultaneously drive the movable frame to move, so that the bottom plate is opened to discharge the material in the placing cavity, the pH value and the concentration in the working cavity are adjusted, the working modes are various, the adjustment on a plurality of influencing factors of the anaerobic ammonia oxidation technology is facilitated, the working efficiency of the device is effectively improved, the using effect is strong, and the practicability is high; and, agitator motor drives the driving roller and rotates in order to drive the fly leaf with right, and the direction of its stirring is comparatively various, improves the effect that its stirring was mixed, effectively improves the work precision of device to improve its reliability in utilization.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a schematic view of the internal structure of a hydraulic pipe;

FIG. 3 is a schematic view of the structure of the cleaning plate and the transparent plate;

fig. 4 is a schematic view of the structure of the sealing plate and the rubber pad.

In the drawings, the reference numbers: 1. a body; 2. an electrical heating plate; 3. a speed reducer; 4. a drive motor; 5. a baffle plate; 6. a discharge valve; 7. stirring blades; 8. a drive shaft; 9. a partition plate; 10. a fixing plate; 11. a movable frame; 12. a connecting frame; 13. driving the plate; 14. a hydraulic tube; 15. an oil tank; 16. a micro-pump; 17. driving the rod; 18. a connecting rod; 19. a stirring motor; 20. a driving roller; 21. a movable plate; 22. fixing the rod; 23. a sealing plate; 24. a rubber pad; 25. a concentration detector; 26. a signal transmitter; 27. a thermometer; 28. a transparent plate; 29. cleaning the plate; 30. a sponge cushion; 31. a rocker; 32. sealing the rubber ring; 33. and (7) supporting legs.

Detailed Description

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

As shown in fig. 1 to 4, the utility model discloses a mixed type anaerobic ammonia oxidation quick start device, which comprises a machine body 1, an electric heating plate 2, a speed reducer 3 and a driving motor 4, wherein a working chamber is arranged in the machine body 1, a feed inlet is arranged at the top end of the machine body 1 and is communicated with the working chamber, a baffle 5 is hinged at the feed inlet, the driving motor 4 is installed at the top end of the machine body 1, the speed reducer 3 is positioned at the output end of the driving motor 4, a transmission shaft 8 is arranged at the bottom output end of the speed reducer 3, a stirring blade 7 is arranged on the transmission shaft 8, a discharge pipe is arranged on the right side wall of the machine body 1, a discharge valve 6 is arranged on the discharge pipe; the right side wall of the working cavity is provided with a baffle plate 9, the front end and the rear end of the baffle plate 9 are respectively connected with the front side wall and the rear side wall of the working cavity, the top end of the baffle plate 9 is provided with a fixed plate 10, the top end of the fixed plate 10 is connected with the top end of the working cavity, a placing cavity is formed between the baffle plate 9 and the top end of the working cavity, a taking and placing opening is arranged on the machine body 1 and communicated with the placing cavity, a baffle cover is arranged at the taking and placing opening, a discharge hole is arranged on the fixed plate 10, a bottom plate is arranged at the water through hole, two groups of movable frames 11 are respectively arranged at the bottom end of the bottom plate and the right side wall of the working cavity, the machine further comprises a connecting frame 12, a connecting plate, a driving plate 13, a hydraulic pipe 14, an oil tank 15, two groups of micro pumps 16, a driving rod 17 and a pressing plate, the, an adjusting cavity is arranged in the hydraulic pipe 14, an opening is formed in the top end of the hydraulic pipe 14 and communicated with the adjusting cavity, the oil tank 15 is located in the working cavity, an oil storage cavity is formed in the oil tank 15 and is internally provided with hydraulic oil, an oil conveying pipe is arranged at the top end of the oil tank 15, two groups of micro pumps 16 are respectively arranged on the upper side and the lower side of the oil conveying pipe, the top end and the bottom end of the driving rod 17 are respectively connected with the bottom end of the driving plate 13 and the top end of the pressing plate, the driving plate 13 is located in the working cavity, the two groups of high-pressure pumps are in opposite working directions, a connecting rod; the stirring device is characterized by further comprising two groups of stirring motors 19, two groups of fixing grooves are respectively formed in the top end and the bottom end of the working cavity, two groups of fixing rods 22 are respectively arranged on the upper sides and the lower sides of the two groups of fixing grooves, the stirring motors 19 are installed above the fixing rods 22, a driving roller 20 is arranged at the output end of the stirring motors 19, and a plurality of groups of movable plates 21 are arranged on the driving roller 20; the ammonia and nitrite or acid-base modifier used as the base material can be placed in the placing groove by a user, the micropump is opened when needed, the hydraulic oil in the oil tank is input into the adjusting cavity from the oil conveying pipe by utilizing the acting force generated by the micropump, the hydraulic oil enters the working cavity to extrude air, the pressing plate is moved to drive the driving rod and simultaneously drive the movable frame to move, so that the bottom plate is opened to discharge the material in the placing cavity, the pH value and the concentration in the working cavity are adjusted, the working modes are various, the adjustment on a plurality of influencing factors of the anaerobic ammonia oxidation technology is facilitated, the working efficiency of the device is effectively improved, the using effect is strong, and the practicability is high; and, agitator motor drives the driving roller and rotates in order to drive the fly leaf and remove, and the direction of its stirring is comparatively various, improves the effect that its stirring was mixed, effectively improves the work precision of device to improve its reliability in utilization.

The utility model discloses a mixed type anaerobic ammonia oxidation quick starting device, which also comprises a sealing plate 23 and a rubber pad 24, wherein the sealing plate 23 is arranged at the top end of the connecting frame 12, the connecting rod 18 extends out of the connecting groove, the rubber pad 24 is arranged at the top end of the sealing plate 23, and the inner side wall of the rubber pad 24 is contacted with the outer side wall of the connecting rod 18; can seal the spread groove, prevent to place the liquid material of intracavity and get into to cause the influence to the work of hydraulic pressure pipe in the spread groove.

The utility model discloses a mixed type anaerobic ammonia oxidation quick starting device, which also comprises a concentration detector 25 and a signal transmitter 26, wherein the concentration detector 25 is arranged in the working cavity, and the signal transmitter 26 is arranged on the side wall of the machine body 1 and is electrically connected with the concentration detector 25; the concentration detector can detect the ammonia concentration of the liquid material in the working cavity, and is in signal connection with external media such as collection media in a signal mode through the signal transmitter, so that a user can conveniently monitor the working state in the device.

The utility model discloses a mixed anaerobic ammonia oxidation quick starting device, which also comprises a thermometer 27, wherein the side wall of the machine body 1 is provided with a mounting groove, the thermometer 27 is arranged in the mounting groove, and the temperature sensing part of the thermometer 27 is contacted with the side wall of the machine body; the temperature of the liquid material in the working chamber can be detected by a thermometer.

The utility model discloses a mixed anaerobic ammonia oxidation quick starting device, which also comprises a transparent plate 28, wherein the side wall of the machine body 1 is provided with an observation hole which is communicated with the working cavity, and the transparent plate 28 is arranged on the observation hole; the user can observe the anaerobic ammonia oxidation working condition in the working cavity through the transparent plate conveniently.

The utility model discloses a mixed type anaerobic ammonia oxidation quick starting device, which also comprises a fixed shaft and a cleaning plate 29, wherein the fixed shaft is arranged in the working cavity, the cleaning plate 29 is arranged on the fixed shaft, the cleaning plate 29 is provided with a spongy cushion 30, the spongy cushion 30 is contacted with a transparent plate 28, the cleaning plate 29 is provided with a rocker 31, and the rocker 31 extends out of the working cavity; the user can drive the cleaning plate to rotate on the fixed shaft by manually moving the rocker, and the cleaning plate can drive the spongy cushion to move to clean the transparent plate.

The utility model discloses a mixed anaerobic ammonia oxidation quick starting device, which also comprises a sealing rubber ring 32, wherein the sealing rubber ring 32 is arranged on the side wall of the machine body 1, and the inner side wall of the sealing rubber ring 32 is contacted with the outer side wall of the rocker 31; the working tightness in the working cavity can be guaranteed.

The utility model discloses a mixed type anaerobic ammonia oxidation quick starting device, which also comprises four groups of supporting legs 33, wherein the four groups of supporting legs 33 are respectively arranged at the left front side, the right front side, the left rear side and the right rear side of the bottom end of the machine body 1, and four groups of bases are respectively arranged at the bottom ends of the four groups of supporting legs 33; the working stability of the device can be improved.

The utility model discloses a mixed anaerobic ammonia oxidation quick starting device, when it works, the user firstly moves the whole device to the position that the user needs, the signal transmitter is connected with the collecting and other external media by the signal mode, the convenient user monitors the working state in the device, the staff manually opens the baffle and puts water and relative anaerobic ammonia materials into the working cavity from the feed inlet, the electric heating plate is opened to heat the materials in the working cavity, the driving motor is opened to drive the transmission shaft and drive the stirring blade to move, the chemical reaction is carried out to the relative mixing and stirring treatment in the working cavity to form the requirement meeting the production and processing, the stirring motor drives the transmission roller to rotate to drive the movable plate to move, in the working process of the device, the user can place the ammonia and nitrite or acid-base regulator used as the bottom material in the placing groove, the concentration detector can detect the ammonia concentration of liquid materials in the working cavity, the temperature of the liquid materials in the working cavity can be detected by a thermometer, when necessary, a micropump is opened, hydraulic oil in an oil tank is input into an adjusting cavity through an oil pipeline by utilizing the acting force generated by the micropump, the hydraulic oil enters the working cavity to extrude air, a pressure plate is moved to drive a driving rod and drive a movable frame to move, so that a bottom plate is opened to discharge the materials in a placing cavity, the pH value and the concentration in the working cavity are adjusted, after the use is finished, a discharge valve is opened and related material products are discharged, a user can observe the condition of anaerobic ammonia oxidation work in the working cavity through a transparent plate, when the surface of the transparent plate is dirty due to the attachment of the liquid materials, the user can manually move a rocker to drive a cleaning plate to rotate on a fixed shaft, the cleaning plate can move to drive a sponge pad to move to, the sealing plate and the rubber gasket can seal the connecting groove, and liquid materials in the cavity are prevented from entering the connecting groove to influence the work of the hydraulic pipe.

The utility model relates to a steel bar bending device for building construction, under the condition that the contrary explanation is not made, the directional terms "up, down, left, right, front, back, inside, and outside, and vertical and horizontal" included in the term merely represent the orientation of the term in the normal use state, or be a trivial term understood by those skilled in the art, and should not be considered as limiting the term, at the same time, the terms "first," "second," and "()" do not denote any particular quantity or order, but rather are used to distinguish one name from another, furthermore, 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 also includes other elements not expressly listed or inherent to such process, method, article, or apparatus.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims

1. A mixed anaerobic ammonia oxidation quick start device comprises a machine body (1), an electric heating plate (2), a speed reducer (3) and a driving motor (4), wherein a working cavity is formed in the machine body (1), a feeding hole is formed in the top end of the machine body (1), the feeding hole is communicated with the working cavity, a baffle (5) is hinged to the feeding hole, the driving motor (4) is installed on the top end of the machine body (1), the speed reducer (3) is located at the output end of the driving motor (4), a transmission shaft (8) is arranged at the bottom output end of the speed reducer (3), stirring blades (7) are arranged on the transmission shaft (8), a discharging pipe is arranged on the right side wall of the machine body (1), a discharging valve (6) is arranged on the discharging pipe, and the electric heating plate (2; it is characterized in that a partition board (9) is arranged on the right side wall of the working chamber, the front end and the rear end of the partition board (9) are respectively connected with the front side wall and the rear side wall of the working chamber, a fixed board (10) is arranged at the top end of the partition board (9), the top end of the fixed board (10) is connected with the top end of the working chamber, a placing chamber is formed between the partition board (9) and the top end of the working chamber, a taking and placing opening is arranged on the machine body (1) and communicated with the placing chamber, a blocking cover is arranged at the taking and placing opening, a discharge hole is arranged on the fixed board (10), a bottom board is arranged at the position of a water through hole, two groups of movable frames (11) are respectively arranged at the bottom end of the bottom board and the right side wall of the working chamber, and the hydraulic pump further comprises a connecting frame (12), a connecting board, a driving board (13), the right side wall and the connecting plate of link (12) articulate respectively in on two sets of adjustable shelf (11), the top of link (12) is provided with the spread groove, and hydraulic pressure pipe (14) are installed in the spread groove, be provided with the regulation chamber in hydraulic pressure pipe (14), the top of hydraulic pressure pipe (14) is provided with the opening, and the opening communicates with each other with the regulation chamber, and oil tank (15) are located the work intracavity to be provided with the oil storage chamber in oil tank (15), be provided with hydraulic oil in the oil storage chamber, the top of oil tank (15) is provided with defeated oil pipe, and two sets of micropumps (16) are installed respectively the upside and the downside of defeated oil pipe, and the top and the bottom of actuating lever (17) are connected with actuating plate (13) bottom and clamp plate top respectively, and actuating plate (13) are located the work chamber, and two sets of high-pressure pumps are opposite working direction, and actuating plate, the connecting rod (18) is connected with the connecting plate; still include two sets of agitator motor (19), the top and the bottom of working chamber are provided with two sets of fixed slots respectively, and the upside and the downside of two sets of fixed slots all are provided with two sets of dead lever (22), and agitator motor (19) are installed dead lever (22) top, the output of agitator motor (19) is provided with driving roller (20), be provided with multiunit fly leaf (21) on driving roller (20).

2. The hybrid anaerobic ammonia oxidation rapid start device as claimed in claim 1, further comprising a sealing plate (23) and a rubber pad (24), wherein the sealing plate (23) is installed at the top end of the connecting frame (12), the connecting rod (18) protrudes to the outside of the connecting groove, the rubber pad (24) is installed at the top end of the sealing plate (23), and the inner side wall of the rubber pad (24) is in contact with the outer side wall of the connecting rod (18).

3. The hybrid anaerobic ammonia oxidation rapid start device as claimed in claim 2, further comprising a concentration detector (25) and a signal emitter (26), wherein the concentration detector (25) is installed in the working chamber, and the signal emitter (26) is installed on the side wall of the body (1) and is electrically connected with the concentration detector (25).

4. The mixed type anammox rapid start device as claimed in claim 3, further comprising a thermometer (27), wherein a mounting groove is provided on the side wall of the body (1), the thermometer (27) is mounted in the mounting groove, and the temperature sensing portion of the thermometer (27) is in contact with the side wall of the body.

5. The mixed type anammox rapid start device as claimed in claim 4, further comprising a transparent plate (28), wherein the side wall of the body (1) is provided with a viewing hole, and the viewing hole is communicated with the working chamber, and the transparent plate (28) is installed on the viewing hole.

6. The hybrid anaerobic ammonia oxidation quick start device as claimed in claim 5, further comprising a fixed shaft and a cleaning plate (29), wherein the fixed shaft is installed in the working chamber, the cleaning plate (29) is installed on the fixed shaft, a sponge pad (30) is arranged on the cleaning plate (29), the sponge pad (30) is in contact with the transparent plate (28), a rocker (31) is arranged on the cleaning plate (29), and the rocker (31) extends out of the working chamber.

7. The hybrid anaerobic ammonia oxidation quick start device as claimed in claim 6, further comprising a sealing rubber ring (32), wherein the sealing rubber ring (32) is installed on the side wall of the machine body (1), and the inner side wall of the sealing rubber ring (32) is in contact with the outer side wall of the rocker (31).

8. The mixed type anammox rapid start device as claimed in claim 7, further comprising four sets of legs (33), wherein the four sets of legs (33) are respectively installed at the front left side, the front right side, the rear left side and the rear right side of the bottom end of the body, and the four sets of bases are respectively installed at the bottom ends of the four sets of legs (33).