CN214464912U - Single-stage double-suction centrifugal pump - Google Patents
Single-stage double-suction centrifugal pump Download PDFInfo
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- CN214464912U CN214464912U CN202021915594.6U CN202021915594U CN214464912U CN 214464912 U CN214464912 U CN 214464912U CN 202021915594 U CN202021915594 U CN 202021915594U CN 214464912 U CN214464912 U CN 214464912U
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- pump body
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- sliding seat
- suction
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Abstract
The utility model discloses a single-stage double entry centrifugal pump, including centrifugal pump body and base, centrifugal pump body slidable sets up on the base, and the centrifugal pump body includes the pump body, pump cover and pump shaft subassembly, and horizontal arrangement has the pump shaft subassembly in the pump body, is provided with the pump cover on the pump body for the sealed pump body, still include the I shape sliding seat, and the centrifugal pump body is installed at the top of I shape sliding seat, has seted up T type groove on the base, and the bottom slidable adaptation of I shape sliding seat is at T type inslot, and the both sides of the pump body are provided with inlet tube and outlet pipe respectively, and detachable is connected with filtering component on the inlet tube. Through the sliding fit of the I-shaped sliding seat and the T-shaped groove, the distance between the centrifugal pump body and the motor is changed, the tool space is increased, and the centrifugal pump body is convenient to overhaul. The water entering the centrifugal pump body is filtered through the screen body in the filter pipe, impurities in the water are prevented from being mixed into the centrifugal pump body, and the service life of the centrifugal pump is prolonged.
Description
Technical Field
The utility model relates to a centrifugal pump technical field specifically is a single-stage double entry centrifugal pump.
Background
The single-stage double-suction centrifugal pump is a single-stage double-suction horizontal split centrifugal pump, is suitable for the fields of factories, cities, mines, power stations, farmlands, hydraulic engineering and the like, and is used for conveying clear water without solid particles or other liquids with physical and chemical properties similar to water. Under the prior art condition, the centrifugal pump lacks filtering capability, inhales the granule class impurity of aquatic easily, leads to the device to damage, and the interval design is less between current centrifugal pump and the motor simultaneously to guarantee driven stationarity, nevertheless lead to the centrifugal pump when dismantling the maintenance frock space limited, the change of the centrifugal pump part of being not convenient for and dismantle the maintenance.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art not enough, provide a single-stage double entry centrifugal pump, have great frock space, be convenient for maintain and maintain the centrifugal pump, can filter the water that enters into the centrifugal pump originally internally simultaneously, mix into impurity in avoiding the pump, lead to the fragile problem of centrifugal pump.
The purpose of the utility model is realized through the following technical scheme: a single-stage double-suction centrifugal pump comprises a centrifugal pump body and a base, wherein the centrifugal pump body is slidably arranged on the base and comprises a pump body, a pump cover and a pump shaft assembly, the pump shaft assembly is transversely arranged in the pump body, and the pump cover is arranged on the pump body and used for sealing the pump body;
the centrifugal pump comprises a centrifugal pump body and is characterized by further comprising an I-shaped sliding seat, wherein the centrifugal pump body is mounted at the top of the I-shaped sliding seat, a T-shaped groove is formed in the base, the bottom of the I-shaped sliding seat is slidably matched in the T-shaped groove, and the bottom of the I-shaped sliding seat is fixed on the base through a bolt;
the both sides of the pump body are provided with inlet tube and outlet pipe respectively, detachable is connected with filtering component on the inlet tube, filtering component is used for filtering the impurity of aquatic.
Further, the pump shaft assembly comprises a pump shaft, an impeller, a double-suction sealing ring, a packing assembly and a packing gland, wherein a double-suction cavity is formed between the pump body and the pump cover, a protruding portion is arranged in the middle of the pump shaft, the impeller is rotatably sleeved on the protruding portion and located in the double-suction cavity, the double-suction sealing ring is arranged on the impeller, shaft sleeves are arranged at two ends of the pump shaft, a sealed packing chamber is formed between the outer surface of each shaft sleeve and the inner surface of the centrifugal pump body, the packing assembly is arranged in the packing chamber, the packing gland is sleeved on the pump shaft and connected with the centrifugal pump body through bolts, the packing chamber is sealed through the packing gland, and the water outlet pipe is communicated with the water inlet pipe through the double-suction cavity.
And furthermore, bearing seats are arranged at two ends of the pump shaft, any one of the bearing seats is connected with an output shaft of the motor through a coupler, and the motor is fixedly installed on the base.
Further, a limiting plate is vertically fixed on the base, the limiting plate is located between the centrifugal pump body and the motor, and when the I-shaped sliding seat contacts with the limiting plate, bolt holes in the I-shaped sliding seat correspond to bolt holes in the base.
Furthermore, the filtering component comprises a filtering pipe and a screen body, the filtering pipe is detachably provided with the screen body, flange plates are fixed at two ends of the filtering pipe, and the filtering pipe is connected with the water inlet pipe in a flange mode.
Further, the screen frame is cavity formula awl post, the one end of screen frame minor diameter is fixed with the screen cloth, and the rotatable shadoof that is provided with of the other end, the water pipe internal fixation has annular boss, the external diameter of screen frame major diameter one end is greater than the internal diameter of annular boss, the screen frame is equipped with the one end of screen cloth is close to the water inlet pipe sets up.
The utility model has the advantages that:
1. the utility model provides a single-stage double entry centrifugal pump, through the sliding fit in I shape sliding seat and T type groove, changes the interval between centrifugal pump body and the motor to the adaptation installation of the centrifugal pump body of being convenient for and motor has increased the frock space simultaneously, is convenient for overhaul the centrifugal pump body.
2. Be connected with the filter tube on the inlet tube, filter the water that enters into this internal of centrifugal pump through the screen frame in the filter tube, avoid the impurity of aquatic sneak into this internal of centrifugal pump, prolonged the life of centrifugal pump.
Drawings
Fig. 1 is a left side view of a single-stage double-suction centrifugal pump of the present invention;
FIG. 2 is a schematic structural view of a filter pipe in the single-stage double-suction centrifugal pump of the present invention;
FIG. 3 is a schematic structural view of a screen body in the single-stage double-suction centrifugal pump of the present invention;
FIG. 4 is a schematic diagram showing the adaptation of the filter pipe and the screen body in the single-stage double-suction centrifugal pump of the present invention;
FIG. 5 is a front view of a single stage double suction centrifugal pump of the present invention;
FIG. 6 is a schematic view of the internal structure of the centrifugal pump body of the single-stage double-suction centrifugal pump of the present invention;
in the figure, 1-a centrifugal pump body, 2-a pump body, 3-a pump cover, 4-a pump shaft, 5-an impeller, 6-a double-suction sealing ring, 7-a base, 8-a packing gland, 9-a double-suction cavity, 10-a shaft sleeve, 11-a water inlet pipe, 12-a water outlet pipe, 13-an I-shaped sliding seat, 14-a T-shaped groove, 15-a bearing seat, 16-a coupler, 17-a motor, 18-a limiting plate, 19-a filter pipe, 20-a screen body, 21-a flange plate, 22-a screen mesh, 23-a lifting rod and 24-an annular boss.
Detailed Description
The technical solution of the present invention is described in further detail below with reference to the accompanying drawings, but the scope of the present invention is not limited to the following description.
As shown in fig. 1 to 6, a single-stage double-suction centrifugal pump comprises a centrifugal pump body 1 and a base 7, wherein the centrifugal pump body 1 is slidably arranged on the base 7, the centrifugal pump body 1 comprises a pump body 2, a pump cover 3 and a pump shaft assembly, the pump shaft assembly is transversely arranged in the pump body 2, and the pump cover 3 is arranged on the pump body 2 and used for sealing the pump body 2;
as shown in fig. 1, the centrifugal pump further comprises an i-shaped sliding seat 13, the centrifugal pump body 1 is mounted at the top of the i-shaped sliding seat 13, a T-shaped groove 14 is formed in the base 7, the bottom of the i-shaped sliding seat 13 is slidably fitted in the T-shaped groove 14, and the bottom of the i-shaped sliding seat 13 is fixed on the base 7 through bolts;
the both sides of the pump body 2 are provided with inlet tube 11 and outlet pipe 12 respectively, and detachable is connected with filtering component on the inlet tube 11, and filtering component is used for filtering the impurity of aquatic.
As shown in fig. 6, the pump shaft assembly includes a pump shaft 4, an impeller 5, a double-suction sealing ring 6, a packing assembly and a packing gland 8, a double-suction cavity 9 is formed between the pump body 2 and the pump cover 3, a protrusion is arranged in the middle of the pump shaft 4, the impeller 5 is sleeved on the protrusion in a rotatable manner, the impeller 5 is positioned in the double-suction cavity 9, the double-suction sealing ring 6 is arranged on the impeller, shaft sleeves 10 are arranged at two ends of the pump shaft 4, a sealed packing chamber is formed by the outer surface of each shaft sleeve 10 and the inner surface of the centrifugal pump body 1, the packing assembly is arranged in the packing chamber, the packing gland 8 is sleeved on the pump shaft 4, the packing gland 8 is connected with the centrifugal pump body 1 through bolts, the packing chamber is sealed through the packing gland, and the water outlet pipe 12 is communicated with the water inlet pipe 11 through the double-suction cavity 9. The sealing performance of the centrifugal pump is improved by arranging the packing assembly on the pump shaft 4, wherein the packing assembly comprises a packing and a packing sleeve which are sleeved on the pump shaft 4.
Because the centrifugal pump body 1 and the motor 17 are fixed on the base 7 through bolts in the prior art, and because the distance between the centrifugal pump body 1 and the motor 17 is small, when the centrifugal pump body 1 needs to be disassembled and maintained, particularly when a bearing seat 15 and a packing gland 8 close to one end of the motor 17 are disassembled, the disassembly is difficult due to small tool space, and the maintenance efficiency is seriously influenced; according to the application, the distance between the centrifugal pump body 1 and the motor 17 is changed through the matching of the I-shaped sliding seat 13 and the T-shaped groove 14, so that the purpose of increasing the tool space is achieved, and the maintenance and the disassembly of the centrifugal pump body 1 are facilitated; during concrete implementation, dismantle the bolt of I shape sliding seat 13 bottom, then slip I shape sliding seat 13, thereby increase frock space, because I shape sliding seat 13 only has a degree of freedom, thereby can not take place to rock when overhauing centrifugal pump body 1, convenient to overhaul, the one end of keeping away from motor 17 at base 7 simultaneously sets up spacing extension board, make the centrifugal pump body slide to with spacing extension board contact, thereby when dismantling and being close to motor 17 one end, through the limiting displacement of spacing extension board, avoid centrifugal pump body 1 to slide, the dismantlement maintenance efficiency has further been improved.
As shown in fig. 5, a limit plate 18 is vertically fixed on the base 7, the limit plate 18 is located between the centrifugal pump body 1 and the motor 17, and when the i-shaped sliding seat 13 contacts the limit plate 18, the bolt holes on the i-shaped sliding seat 13 correspond to the bolt holes on the base 7.
The limiting plate 18 is used for positioning the centrifugal pump body 1, after the I-shaped sliding seat 13 is contacted with the limiting plate 18, bolt holes in the I-shaped sliding seat 13 are coaxial with bolt holes in the base 7, so that manual alignment and installation of the bolt holes are avoided, the installation efficiency is improved, when the bolt is disassembled, the centrifugal pump body 1 can slide on the base 7, when the disassembly of parts is carried out on one end far away from the motor 17, the centrifugal pump body 1 slides to be contacted with the limiting plate 18, the centrifugal pump body 1 is prevented from sliding and shaking during disassembly, and the disassembly and maintenance efficiency is improved.
Further, as shown in fig. 2 to 4, the filtering assembly includes a filtering pipe 19 and a sieve 20, the sieve 20 is detachably disposed in the filtering pipe 19, flanges 21 are fixed to both ends of the filtering pipe 19, and the filtering pipe 19 is flange-connected to the water inlet pipe 11.
Further, the screen frame 20 is the cavity formula awl post, and the one end of screen frame 20 minor diameter is fixed with screen cloth 22, and the rotatable shadoof 23 that is provided with of the other end, and inlet tube 11 internal fixation has annular boss 24, and the external diameter of the major diameter one end of screen frame 20 is greater than the internal diameter of annular boss 24, and the one end that screen frame 20 was equipped with screen cloth 22 is close to inlet tube 11 and sets up.
The water entering the centrifugal pump body 1 is firstly filtered through the screen 22, particle impurities mixed in the water are filtered, the impurities in the water are prevented from being mixed in the centrifugal pump body, the service life of the centrifugal pump is prolonged, and meanwhile, the filter pipe 19 and the screen body 20 are detachably connected, so that the screen 22 is convenient to clean and discharge the impurities in the filter pipe 19; the setting of annular boss 24 is spacing to screen frame 20, avoids screen frame 20 to enter into centrifugal pump body 1 along with rivers in to cause the damage of centrifugal pump body 1.
The foregoing is illustrative of the preferred embodiments of the present invention, and it is to be understood that the invention is not limited to the precise forms disclosed herein, and that various other combinations, modifications, and environments may be resorted to, falling within the scope of the invention as defined by the appended claims. But that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention, which is to be limited only by the claims appended hereto.
Claims (6)
1. The single-stage double-suction centrifugal pump is characterized by comprising a centrifugal pump body (1) and a base (7), wherein the centrifugal pump body (1) is arranged on the base (7) in a sliding manner, the centrifugal pump body (1) comprises a pump body (2), a pump cover (3) and a pump shaft assembly, the pump shaft assembly is transversely arranged in the pump body (2), and the pump cover (3) is arranged on the pump body (2) and used for sealing the pump body (2);
the centrifugal pump is characterized by further comprising an I-shaped sliding seat (13), the centrifugal pump body (1) is mounted at the top of the I-shaped sliding seat (13), a T-shaped groove (14) is formed in the base (7), the bottom of the I-shaped sliding seat (13) is slidably matched in the T-shaped groove (14), and the bottom of the I-shaped sliding seat (13) is fixed on the base (7) through bolts;
the both sides of the pump body (2) are provided with inlet tube (11) and outlet pipe (12) respectively, detachable is connected with filtering component on inlet tube (11), filtering component is used for filtering the impurity of aquatic.
2. The single-stage double-suction centrifugal pump according to claim 1, wherein the pump shaft assembly comprises a pump shaft (4), an impeller (5), a double-suction sealing ring (6), a packing assembly and a packing gland (8), a double-suction cavity (9) is formed between the pump body (2) and the pump cover (3), a protrusion is arranged in the middle of the pump shaft (4), the impeller (5) is rotatably sleeved on the protrusion, the impeller (5) is positioned in the double-suction cavity (9), the double-suction sealing ring (6) is arranged on the impeller, shaft sleeves (10) are sleeved at two ends of the pump shaft (4), a sealed packing chamber is formed between the outer surface of each shaft sleeve (10) and the inner surface of the centrifugal pump body (1), the packing assembly is arranged in the packing chamber, and the packing gland (8) is sleeved on the pump shaft (4), the packing gland (8) is connected with the centrifugal pump body (1) through a bolt, the packing chamber is sealed through the packing gland, and the water outlet pipe (12) is communicated with the water inlet pipe (11) through the double suction cavity (9).
3. A single-stage double-suction centrifugal pump according to claim 2, characterized in that bearing blocks (15) are arranged at both ends of the pump shaft (4), wherein any one of the bearing blocks (15) is connected with an output shaft of a motor (17) through a coupling (16), and the motor (17) is fixedly mounted on the base (7).
4. A single-stage double-suction centrifugal pump according to claim 3, wherein a limit plate (18) is vertically fixed on the base (7), the limit plate (18) is located between the centrifugal pump body (1) and the motor (17), and when the i-shaped sliding seat (13) contacts with the limit plate (18), the bolt holes on the i-shaped sliding seat (13) correspond to the bolt holes on the base (7).
5. A single-stage double-suction centrifugal pump according to claim 1, wherein the filtering assembly comprises a filtering pipe (19) and a screen body (20), the screen body (20) is detachably arranged in the filtering pipe (19), flanges (21) are fixed at both ends of the filtering pipe (19), and the filtering pipe (19) is in flange connection with the water inlet pipe (11).
6. A single-stage double-suction centrifugal pump according to claim 5, characterized in that the screen body (20) is a hollow conical column, one end of the screen body (20) with a small diameter is fixed with a screen (22), the other end is rotatably provided with a lifting rod (23), an annular boss (24) is fixed in the water inlet pipe (11), the outer diameter of one end of the screen body (20) with a large diameter is larger than the inner diameter of the annular boss (24), and the end of the screen body (20) provided with the screen (22) is arranged close to the water inlet pipe (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021915594.6U CN214464912U (en) | 2020-09-04 | 2020-09-04 | Single-stage double-suction centrifugal pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021915594.6U CN214464912U (en) | 2020-09-04 | 2020-09-04 | Single-stage double-suction centrifugal pump |
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| Publication Number | Publication Date |
|---|---|
| CN214464912U true CN214464912U (en) | 2021-10-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021915594.6U Active CN214464912U (en) | 2020-09-04 | 2020-09-04 | Single-stage double-suction centrifugal pump |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114483589A (en) * | 2022-01-25 | 2022-05-13 | 威乐(中国)水泵系统有限公司 | Single-stage double-suction centrifugal pump |
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2020
- 2020-09-04 CN CN202021915594.6U patent/CN214464912U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114483589A (en) * | 2022-01-25 | 2022-05-13 | 威乐(中国)水泵系统有限公司 | Single-stage double-suction centrifugal pump |
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