Roots water ring vacuum pump unit

Abstract

The utility model relates to the technical field of vacuum pumps, in particular to a Roots water ring vacuum pump unit, which can meet the supporting and using requirements of units with different heights, improves the using flexibility, is convenient and quick to lift and adjust, and is low in manufacturing cost. Comprising a base, a plurality of moving wheels, a roots vacuum pump, a cooling cylinder, a connecting pipe, a water ring vacuum pump, supporting mechanisms, a placing assembly and an auxiliary assembly, the moving wheels are installed at the four corners of the bottom of the base, the supporting mechanisms are installed at the left end and the right end of the top of the base, limiting and fixing assemblies are installed on the supporting mechanisms, and the placing assembly is connected to the tops of the supporting mechanisms; the Roots vacuum pump is installed on the top of the base, the output end of the Roots vacuum pump is connected with the water ring vacuum pump through the cooling cylinder and the connecting pipe, the water ring vacuum pump is installed on the placing assembly, the auxiliary assembly is installed at the left end of the placing assembly, and the water inlet pipe is connected to the upper portion of the water ring vacuum pump.

Description

Technical Field

[0001] The utility model relates to the technical field of vacuum pumps, in particular to a Roots water ring vacuum pump unit. Background Art

[0002] A Roots vacuum pump (abbreviated as Roots pump) refers to a variable displacement vacuum pump equipped with two blade-shaped rotors rotating synchronously in opposite directions, with a small gap between the rotors and between the rotors and the inner wall of the pump housing, and the rotors do not touch each other. A Roots water ring vacuum unit is a Roots pump as a main pump and a water ring pump as a front pump in series. Prior art announcement number CN218093454U proposes a Roots vacuum pump unit with good heat dissipation, including a vacuum pump body. In the utility model, when the vacuum pump unit needs to be moved, the hydraulic cylinder is started to extend the output end of the hydraulic cylinder, so that the connecting plate and the fixed sleeve move downward, so that the wheels move downward to contact the ground, and the four sets of supporting legs are separated from the ground, so that the vacuum pump unit can be easily pushed, which greatly reduces the difficulty of carrying the vacuum pump unit. However, the structural stability of the lower support of the unit is generally general, which is difficult to meet the needs of supporting the unit at different heights, and the structure is complex, and the hydraulic drive cost is high. Utility Model Content

[0003] In order to solve the above technical problems, the utility model provides a Roots water ring vacuum pump unit which can meet the needs of supporting units of different heights, improve the flexibility of use, and is convenient and fast to adjust the lifting and lowering, and has a low manufacturing cost.

[0004] The utility model discloses a Roots water ring vacuum pump unit, comprising a base, a plurality of moving wheels, a Roots vacuum pump, a cooling cylinder, a connecting pipe, a water ring vacuum pump, a supporting mechanism, a placing component and an auxiliary component, wherein moving wheels are installed at the four corners of the bottom of the base, the supporting mechanism is installed at the left and right ends of the top of the base, a limited position fixing component is installed on the supporting mechanism, the top of the supporting mechanism is connected with the placing component, the Roots vacuum pump is installed on the top of the base, the output end of the Roots vacuum pump is connected to the water ring vacuum pump through the cooling cylinder and the connecting pipe, the water ring vacuum pump is installed on the placing component, the auxiliary component is installed at the left end of the placing component, and the upper part of the water ring vacuum pump is connected with a water inlet pipe; the equipment is driven to move by the plurality of moving wheels, and the lower sides of the two ends of the base are stably supported by the supporting mechanism, so as to improve the structural stability of the unit, meet the support and use requirements of units of different heights, improve the flexibility of use, and have a simple structure, convenient and fast lifting and lowering adjustment, and low manufacturing cost.

[0005] Preferably, the supporting mechanism comprises two supporting boxes, two supporting plates, two driving cover boxes, two rotating shafts, two transmissions, two driving turntables, two driving gears and two supporting feet, the two supporting boxes are fixedly mounted on the left and right ends of the base, a supporting plate is slidably mounted inside the supporting box, the lower part of the supporting plate is connected with the supporting feet, the driving cover box is installed on the lower outer wall of the supporting box, the rotating shaft is rotatably mounted inside the driving cover box, the front end of the rotating shaft passes through the driving cover box and is connected with the output end of the transmission, the input end of the transmission is connected with the driving turntable, the middle part of the rotating shaft is installed with a driving gear, and a spur rack matching the driving gear is arranged on the supporting plate; rotating the driving turntable drives the rotating shaft to rotate through the transmission, and the rotating shaft drives the driving gear to rotate, and the supporting plate is pushed downward by cooperating with the spur rack so that the supporting feet contact the ground, and the lower sides of the two ends of the base are firmly supported, thereby improving the structural stability of the unit and meeting the requirements of supporting and using the units of different heights, improving the flexibility of use, and the structure is simple, the lifting and lowering adjustment is convenient and fast, and the manufacturing cost is low.

[0006] Preferably, the limit fixing assembly includes two groups of rotating studs, two groups of clamping plates and two groups of turning handles. Limiting slide grooves are provided at the front and rear ends of the support plate. The rotating studs are rotatably installed inside the support box, and the rotating studs are located in the limiting slide grooves. The outer end of the rotating studs is fixedly installed with a turning handle. A clamping groove is provided on the outer wall of the support box. The clamping plate is screwed on the outer wall of the rotating studs, and the clamping plate is slidably installed in the clamping groove. After the support plate is moved to the use position, the rotating studs are driven to rotate by the turning handle, and the clamping plate is pushed to move in the clamping groove, clamping the support plate, and limiting and fixing the support plate to ensure stability.

[0007] Preferably, the placement assembly includes a plurality of legs and a top plate, the plurality of legs are respectively fixedly mounted on the top of the support box, the tops of the legs are fixedly connected to the top plate, and the water ring vacuum pump is mounted on the top of the top plate; the legs and the top plate can increase the usable area above the base and improve practicality.

[0008] Preferably, the auxiliary components include a gas-liquid separator, an exhaust pipe, a second connecting pipe, a cooling box, a support rod, a water distributor and a cooling fan. The gas-liquid separator is installed on the top of the top plate, the input end of the gas-liquid separator is connected to the output end of the water ring vacuum pump, the top of the gas-liquid separator is connected to the exhaust pipe, the bottom of the gas-liquid separator is connected to the cooling box through the second connecting pipe, the cooling box is installed at the left end of the top plate, the output end of the second connecting pipe is connected to the water distributor, the water distributor is installed on the inner wall of the cooling box through the support rod, and the top of the cooling box is installed with a cooling fan; the water after the water ring vacuum pump works enters the gas-liquid separator, the separated gas is discharged through the exhaust pipe, and the water enters the cooling box through the second connecting pipe, is sprayed out through the water distributor and makes free fall in the cooling box, in the process of water falling, part of the heat is dissipated, and the other part of the heat is discharged through the cooling fan.

[0009] Preferably, a plurality of heat-conducting rings are evenly arranged inside the cooling cylinder, the upper part of the cooling cylinder is connected to a cold water discharge pipe, and the lower part of the cooling cylinder is connected to a cold water inlet; water is input into the cooling cylinder through the cold water inlet, and the contact area with water is increased by the heat-conducting rings, so that the gas discharged from the Roots vacuum pump is heat-exchanged and cooled. As the inlet gas of the water ring vacuum pump, the inlet air pressure of the water ring vacuum pump can be reduced, and the problem of cavitation can be solved.

[0010] Preferably, a heat dissipation guide plate is installed inside the cooling box, a return pipe is connected to the bottom of the cooling box, an output end of the return pipe is connected to a water ring vacuum pump, and a valve is installed on the return pipe; water sprayed out through a water distributor and making free fall in the cooling box flows on the heat dissipation guide plate, thereby increasing the contact area with the water and improving the heat dissipation effect; the cooled water is input into the pump chamber by the water ring vacuum pump through the return pipe for reuse, thereby achieving the purpose of recycling the discharged water, avoiding the discharge of industrial wastewater, and achieving the purpose of energy saving and emission reduction.

[0011] Compared with the prior art, the beneficial effects of the utility model are as follows: the equipment is driven to move by multiple moving wheels, and the lower sides of both ends of the base are firmly supported by the supporting mechanism, thereby improving the structural stability of the unit. At the same time, it can meet the support needs of units of different heights, thereby improving the flexibility of use. In addition, the structure is simple, the lifting and lowering adjustment is convenient and quick, and the production cost is low. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a structural schematic diagram of the utility model;

[0013] Figure 2 It is a schematic diagram of the axonometric structure of the utility model;

[0014] Figure 3 It is a front structural schematic diagram of the utility model;

[0015] Figure 4 It is a partial cross-sectional structural schematic diagram of the utility model;

[0016] Figure 5 It is a front cross-sectional structural schematic diagram of the utility model;

[0017] Markings in the attached drawings: 1. base; 2. moving wheel; 3. Roots vacuum pump; 4. cooling cylinder; 5. connecting pipe; 6. water ring vacuum pump; 7. water inlet pipe; 8. support leg; 9. top plate; 10. support box; 11. support plate; 12. drive cover box; 13. rotating shaft; 14. transmission; 15. driving turntable; 16. driving gear; 17. rotating stud; 18. clamping plate; 19. turning handle; 20. support foot; 21. gas-liquid separator; 22. exhaust pipe; 23. second connecting pipe; 24. cooling box; 25. support rod; 26. water distributor; 27. cooling fan; 28. cooling guide plate; 29. ​​reflux pipe; 30. valve; 31. heat transfer ring; 32. cold water discharge pipe; 33. cold water inlet. DETAILED DESCRIPTION

[0018] In order to facilitate the understanding of the utility model, the utility model will be described more comprehensively below with reference to the relevant drawings. The utility model can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and comprehensive.

[0019] Example 1

[0020] like Figure 1 , Figure 2 , Figure 3 and Figure 5As shown, moving wheels 2 are installed at the four corners of the bottom of the base 1, a Roots vacuum pump 3 is installed on the top of the base 1, the output end of the Roots vacuum pump 3 is connected to the water ring vacuum pump 6 through a cooling cylinder 4 and a connecting pipe 5, and the upper part of the water ring vacuum pump 6 is connected to a water inlet pipe 7, two support boxes 10 are fixedly installed at the left and right ends of the base 1, a support plate 11 is slidably installed inside the support box 10, and a support foot 20 is connected to the lower part of the support plate 11. A driving cover box 12 is installed on the lower outer wall of the support box 10, and a rotating shaft 13 is rotatably installed inside the driving cover box 12. The front end of the rotating shaft 13 passes through the driving cover box 12 and is connected to the output end of the transmission 14. The input end of the transmission 14 is connected to a driving turntable 15, and a driving gear 16 is installed in the middle of the rotating shaft 13. A straight rack matching the driving gear 16 is arranged on the support plate 11, and a plurality of legs 8 are respectively fixedly installed on the top of the support box 10, and a top plate 9 is fixedly connected to the top of the legs 8. The vacuum pump 6 is installed on the top of the top plate 9, the gas-liquid separator 21 is installed on the top of the top plate 9, the input end of the gas-liquid separator 21 is connected to the output end of the water ring vacuum pump 6, the top of the gas-liquid separator 21 is connected to the exhaust pipe 22, the bottom of the gas-liquid separator 21 is connected to the cooling box 24 through the second connecting pipe 23, the cooling box 24 is installed at the left end of the top plate 9, the output end of the second connecting pipe 23 is connected to the water distributor 26, the water distributor 26 is installed on the inner wall of the cooling box 24 through the support rod 25, the top of the cooling box 24 is installed with a cooling fan 27, a plurality of heat-conducting rings 31 are evenly arranged inside the cooling cylinder 4, the upper part of the cooling cylinder 4 is connected to the cold water discharge pipe 32, the lower part of the cooling cylinder 4 is connected to the cold water inlet 33, a heat dissipation guide plate 28 is installed inside the cooling box 24, a reflux pipe 29 is connected to the bottom of the cooling box 24, the output end of the reflux pipe 29 is connected to the water ring vacuum pump 6, and a valve 30 is installed on the reflux pipe 29;

[0021] The equipment is moved by multiple moving wheels 2, and the rotating drive turntable 15 drives the rotating shaft 13 to rotate through the transmission 14, and the rotating shaft 13 drives the driving gear 16 to rotate, and the support plate 11 is pushed downward by cooperating with the spur rack, so that the support feet 20 are in contact with the ground, and the lower sides of the two ends of the base 1 are firmly supported, thereby improving the structural stability of the unit and meeting the support and use requirements of units of different heights, thereby improving the flexibility of use, and the structure is simple, the lifting and lowering adjustment is convenient and fast, and the manufacturing cost is low. The use area above the base 1 can be increased by the support legs 8 and the top plate 9, thereby improving practicality. The water after the water ring vacuum pump 6 works enters the gas-liquid separator 21, and the separated gas is discharged through the exhaust pipe 22, and the water enters the cooling box 24 through the second connecting pipe 23 and is sprayed out through the water distributor 26 It makes free fall in the cooling box 24. In the process of water falling, part of the heat is dissipated, and the other part of the heat is discharged through the cooling fan 27. The water is input into the cooling cylinder 4 through the cold water inlet 33, and the contact area with water is increased through the heat conductive ring 31, so as to exchange heat and cool the gas discharged from the Roots vacuum pump 3. As the inlet gas of the water ring vacuum pump 6, the inlet air pressure of the water ring vacuum pump 6 can be reduced to solve the problem of cavitation. The water that makes free fall in the cooling box 24 is sprayed out through the water distributor 26, and flows on the heat dissipation guide plate 28 and the return pipe 29, so as to increase the contact area with water and improve the heat dissipation effect. The cooled water is input into the pump chamber by the water ring vacuum pump 6 through the return pipe 29 for reuse, so as to realize the purpose of recycling the discharged water, avoid the discharge of industrial sewage, and achieve the purpose of energy saving and emission reduction.

[0022] Example 2

[0023] like Figure 4 As shown, on the basis of embodiment 1, the front and rear ends of the support plate 11 are provided with limited sliding grooves, the rotating stud 17 is rotatably installed inside the support box 10, and the rotating stud 17 is located in the limited sliding groove, the outer end of the rotating stud 17 is fixedly installed with a rotating handle 19, the outer wall of the support box 10 is provided with a clamping groove, the clamping plate 18 is screwed on the outer wall of the rotating stud 17, and the clamping plate 18 is slidably installed in the clamping groove;

[0024] After the support plate 11 is moved to the use position, the rotating stud 17 is driven to rotate through the rotating handle 19, pushing the clamping plate 18 to move in the clamping groove, clamping the support plate 11, and limiting and fixing the support plate 11 to ensure stability.

[0025] like Figures 1 to 5As shown, a Roots water ring vacuum pump unit of the utility model drives the equipment to move through a plurality of moving wheels 2 when working, and the rotating drive turntable 15 drives the rotating shaft 13 to rotate through the transmission 14, and the rotating shaft 13 drives the driving gear 16 to rotate, and the support plate 11 is pushed downward by cooperating with the spur rack, so that the support foot 20 contacts the ground, and the lower sides of both ends of the base 1 are firmly supported. After the support plate 11 moves to the use position, the rotating stud 17 is driven to rotate by the turning handle 19, and the clamping plate 18 is pushed to move in the clamping groove, and the support plate 11 is clamped and fixed. The support leg 8 and the top plate 9 can increase the use area above the base 1.

[0026] The gas-liquid separator 21, the water distributor 26 and the cooling fan 27 of the Roots water ring vacuum pump unit of the utility model are purchased on the market, and technicians in the industry only need to install and operate them according to the accompanying instruction manual, without the need for creative labor by technicians in this field.

[0027] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. A Roots water ring vacuum pump unit, characterized in that: The invention comprises a base (1), a plurality of moving wheels (2), a Roots vacuum pump (3), a cooling cylinder (4), a connecting pipe (5), a water ring vacuum pump (6), a supporting mechanism, a placement component and an auxiliary component. Moving wheels (2) are installed at the four corners of the bottom of the base (1). The supporting mechanism is installed at the left and right ends of the top of the base (1). A limited position fixing component is installed on the supporting mechanism. The top of the supporting mechanism is connected to the placement component. The Roots vacuum pump (3) is installed on the top of the base (1). The output end of the Roots vacuum pump (3) is connected to the water ring vacuum pump (6) through the cooling cylinder (4) and the connecting pipe (5). The water ring vacuum pump (6) is installed on the placement component. The auxiliary component is installed at the left end of the placement component. The upper part of the water ring vacuum pump (6) is connected to a water inlet pipe (7).

2. A Roots water ring vacuum pump unit as claimed in claim 1, characterized in that: The support mechanism comprises two support boxes (10), two support plates (11), two drive cover boxes (12), two rotating shafts (13), two transmissions (14), two drive turntables (15), two drive gears (16) and two supporting legs (20). The two support boxes (10) are fixedly mounted at the left and right ends of the base (1). The support plates (11) are slidably mounted inside the support boxes (10). The lower part of the support plates (11) is connected to the supporting legs (20). The drive cover box (12) is mounted on the lower outer wall of the support box (10). The rotating shaft (13) is rotatably mounted inside the drive cover box (12). The front end of the rotating shaft (13) passes through the drive cover box (12) and is connected to the output end of the transmission (14). The input end of the transmission (14) is connected to the drive turntable (15). The middle part of the rotating shaft (13) is mounted with a drive gear (16). The support plate (11) is provided with a spur rack matching the drive gear (16).

3. A Roots water ring vacuum pump unit as claimed in claim 2, characterized in that: The limit fixing assembly comprises two groups of rotating studs (17), two groups of clamping plates (18) and two groups of rotating handles (19). The front and rear ends of the support plate (11) are provided with limit sliding grooves. The rotating studs (17) are rotatably mounted inside the support box (10), and the rotating studs (17) are located in the limit sliding grooves. The outer ends of the rotating studs (17) are fixedly mounted with the rotating handles (19). The outer wall of the support box (10) is provided with clamping grooves. The clamping plates (18) are screwed on the outer wall of the rotating studs (17), and the clamping plates (18) are slidably mounted in the clamping grooves.

4. A Roots water ring vacuum pump unit as claimed in claim 2, characterized in that: The placement assembly comprises a plurality of legs (8) and a top plate (9), wherein the plurality of legs (8) are respectively fixedly mounted on the top of a support box (10), the top of the legs (8) are fixedly connected to the top plate (9), and the water ring vacuum pump (6) is mounted on the top of the top plate (9).

5. A Roots water ring vacuum pump unit as claimed in claim 4, characterized in that: The auxiliary component comprises a gas-liquid separator (21), an exhaust pipe (22), a second connecting pipe (23), a cooling box (24), a support rod (25), a water distributor (26) and a cooling fan (27). The gas-liquid separator (21) is installed on the top of the top plate (9). The input end of the gas-liquid separator (21) is connected to the output end of the water ring vacuum pump (6). The top of the gas-liquid separator (21) is connected to the exhaust pipe (22). The bottom of the gas-liquid separator (21) is connected to the cooling box (24) through the second connecting pipe (23). The cooling box (24) is installed at the left end of the top plate (9). The output end of the second connecting pipe (23) is connected to the water distributor (26). The water distributor (26) is installed on the inner wall of the cooling box (24) through the support rod (25). The cooling fan (27) is installed on the top of the cooling box (24).

6. A Roots water ring vacuum pump unit as claimed in claim 1, characterized in that: A plurality of heat-conducting rings (31) are evenly arranged inside the cooling cylinder (4); the upper portion of the cooling cylinder (4) is connected to a cold water discharge pipe (32); and the lower portion of the cooling cylinder (4) is connected to a cold water inlet (33).

7. A Roots water ring vacuum pump unit as claimed in claim 5, characterized in that: A heat dissipation guide plate (28) is installed inside the cooling box (24), a return pipe (29) is connected to the bottom of the cooling box (24), an output end of the return pipe (29) is connected to the water ring vacuum pump (6), and a valve (30) is installed on the return pipe (29).

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