CN218934838U

CN218934838U - Centrifugal pump

Info

Publication number: CN218934838U
Application number: CN202222853204.2U
Authority: CN
Inventors: 胡伟
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-10-28
Filing date: 2022-10-28
Publication date: 2023-04-28
Anticipated expiration: 2032-10-28

Abstract

The utility model belongs to the technical field of centrifugal pumps, in particular to a centrifugal pump, which comprises a base, wherein one side of the top of the base is fixedly connected with supporting seats, the number of the supporting seats is two, the tops of the two supporting seats are fixedly connected with a shell, one side of the shell is provided with a cover body, one side of the shell and one side of the cover body are fixedly connected with mounting plates, the shell and the cover body are fixedly connected through the mounting plates, the other side of the top of the base is fixedly connected with a fixing seat, and the top of the fixing seat is fixedly connected with a motor; can conveniently dismantle and install between connecting pipe and the row material pipe through dismouting mechanism to can conveniently change it when the connecting pipe damages, save maintenance time, improve work efficiency, can fix between base and the ground through fixed establishment, can not take place great amplitude when the device produces the vibration, thereby increased the stability of device when using.

Description

Centrifugal pump

Technical Field

The utility model relates to the technical field of centrifugal pumps, in particular to a centrifugal pump.

Background

The construction operation of well cementation, casing running into well and cement injection into the annular space between the well bore and the casing is an essential link in the process of well drilling and completion operation, and comprises casing running and cement injection, and in the process of well cementation operation, cement grouting is required, at this time, a centrifugal pump is used, and the centrifugal pump is operated by utilizing the rotation of an impeller to make water perform centrifugal motion. Before the water pump is started, the pump shell and the water suction pipe are filled with water, then the motor is started, the pump shaft drives the impeller and the water to do high-speed rotation movement, the water is centrifugally moved and thrown to the outer edge of the impeller, and the water flows into the water pressing pipeline of the water pump through the runner of the volute pump shell. The centrifugal pump is a vane pump, and in the rotating process, the vane transmits mechanical energy to the liquid due to the interaction of the vane and the liquid by means of the rotating impeller, so that the pressure energy of the liquid is increased, and the purpose of conveying the liquid is achieved.

The existing centrifugal pump cannot be quickly replaced when the connecting pipe is damaged, so that the maintenance time is prolonged, the working efficiency is reduced, and the centrifugal pump can generate amplitude when working, so that the centrifugal pump is extremely unstable when working; therefore, a centrifugal pump is proposed against the above-mentioned problems.

Disclosure of Invention

In order to make up the deficiency of the prior art, solve and can't change it fast when the connecting pipe damages, thus make the time of maintaining lengthen, has reduced the working efficiency, and the centrifugal pump will produce the amplitude while working, thus make its very unstable problem while working, the utility model proposes a kind of centrifugal pump.

The technical scheme adopted for solving the technical problems is as follows: the utility model discloses a centrifugal pump, which comprises a base, wherein one side of the top of the base is fixedly connected with supporting seats, the number of the supporting seats is two, the two supporting seats are fixedly connected with a shell, one side of the shell is provided with a cover body, one side of the shell is fixedly connected with a mounting plate with one side of the cover body, the shell is fixedly connected with the cover body through the mounting plate, the other side of the top of the base is fixedly connected with a fixing seat, the top of the fixing seat is fixedly connected with a motor, one end of the motor is rotatably connected with a rotating shaft, one end of the rotating shaft penetrates through the side wall of the shell and extends to the inside of the shell, the surface of the rotating shaft is fixedly connected with an impeller, one side of the impeller is fixedly connected with a baffle, one side of the cover body is fixedly connected with a feed pipe, the front of the shell is fixedly connected with a discharge pipe, the front of the discharge pipe is provided with a connecting pipe, a dismounting mechanism is jointly arranged between the discharge pipe and the connecting pipe, the top of the base is provided with four corners of the fixing mechanism, in well cementation operation, the motor is fixedly connected with a fixing seat between the sleeve and the casing, the motor is started, the motor is driven by the motor, and the motor is rotatably connected with the rotating shaft, and the rotating shaft is extended into the shell through the rotating shaft, and the rotating shaft is conveniently and can be dismounted through the rotating shaft and can be driven to enter into the well hole through the connecting pipe through the shell.

Preferably, the dismounting mechanism comprises a first fixing shell, the first fixing shell is fixedly connected to two sides of the discharging pipe, a sliding groove is formed in one side of the first fixing shell, a clamping groove is formed in the first fixing shell, and the clamping groove is located on one side of the sliding groove.

Preferably, the two sides of the connecting pipe are fixedly connected with second fixed shells, the inside of the second fixed shells is connected with a sliding plate in a sliding mode, and the two sides of the sliding plate are fixedly connected with connecting rods.

Preferably, one end of the connecting rod passes through the inner wall of the second fixing shell and is fixedly connected with a handle, the other end of the connecting rod passes through the inner wall of the second fixing shell and is fixedly connected with a clamping block, the side shape of the clamping block is the same as the side shape of the sliding groove, and the clamping block is mutually clamped with the clamping groove.

Preferably, one side elastic connection of slide has the spring, the outside of connecting rod is located to the spring housing, when installing between connecting pipe and the row material pipe through dismouting mechanism, promote the connecting rod through the handle, make the connecting rod drive the inside that the fixture block slided the spout, joint between fixture block and the draw-in groove at last, make the spring support the slide through the tight effect of support of spring, support tightly between fixture block and the draw-in groove on the slide drive connecting rod, thereby make the fixed between first fixed shell and the second fixed shell, and then can install between connecting pipe and the row material pipe, during the dismantlement, will rotate the connecting rod through the handle and make the fixture block rotate and break away from with the fixture block, then slide out from the spout inside, thereby make the separation between first fixed shell and the second fixed shell, and then can make the separation between row material pipe and the connecting pipe.

Preferably, the fixing mechanism comprises a thread bush, thread bush fixed connection is in the top of base, the inside threaded connection of thread bush has a screw thread awl, the top fixedly connected with stopper of screw thread awl can be fixed between base and the ground through fixing mechanism, put the base in the position back of needs, through rotating the screw thread awl for the screw thread awl rotates in the inside of thread bush, thereby makes the bottom of screw thread awl creep into the inside on ground, thereby makes to fix between screw thread awl and the ground, and then can make to fix between base and the ground, can not take place great amplitude when the device produces the vibration, thereby increased the stability of device when using.

The utility model has the advantages that:

1. according to the utility model, when the connecting pipe and the discharging pipe are installed through the dismounting mechanism, the connecting rod is pushed through the handle, so that the connecting rod drives the clamping block to slide into the chute, finally the clamping block is clamped with the clamping groove, the spring is abutted against the sliding plate through the abutting action of the spring, the sliding plate drives the clamping block on the connecting rod to be abutted against the clamping groove, so that the first fixing shell and the second fixing shell are fixed, the connecting pipe and the discharging pipe can be further installed, when the connecting rod is rotated through the handle during dismounting, the clamping block rotates and is separated from the clamping block, and then the clamping block slides out of the chute, so that the first fixing shell and the second fixing shell are separated, the discharging pipe and the connecting pipe can be separated, the dismounting mechanism can conveniently dismount and install the connecting pipe and the discharging pipe, so that the connecting pipe can be conveniently replaced when damaged, the maintenance time is saved, and the working efficiency is improved.

2. According to the utility model, the base and the ground can be fixed through the fixing mechanism, after the base is placed at a required position, the threaded cone is rotated in the threaded sleeve by rotating the threaded cone, so that the bottom end of the threaded cone drills into the ground, the threaded cone and the ground are fixed, the base and the ground can be fixed, larger amplitude cannot occur when the device vibrates, and the stability of the device in use is improved.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained from these drawings without inventive faculty for a person skilled in the art.

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view of the internal structure of the housing of the present utility model;

FIG. 3 is a schematic view of a part of the dismounting mechanism of the utility model;

FIG. 4 is a schematic view showing the internal structure of a second fixing case according to the present utility model;

fig. 5 is a schematic structural view of the fixing mechanism of the present utility model.

In the figure: 1. a base; 2. a support base; 3. a housing; 4. a cover body; 5. a mounting plate; 6. a fixing seat; 7. a motor; 8. a rotating shaft; 9. an impeller; 10. a baffle; 11. a feed pipe; 12. a discharge pipe; 13. a connecting pipe; 14. a disassembly and assembly mechanism; 141. a first fixed housing; 142. a chute; 143. a clamping groove; 144. a second fixed housing; 145. a slide plate; 146. a connecting rod; 147. a handle; 148. a clamping block; 149. a spring; 15. a fixing mechanism; 151. a thread sleeve; 152. a thread cone; 153. and a limiting block.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1

Referring to fig. 1-5, a centrifugal pump comprises a base 1, a supporting seat 2 is fixedly connected to one side of the top of the base 1, two supporting seats 2 are provided, a housing 3 is fixedly connected to the top of the two supporting seats 2, a cover 4 is arranged on one side of the housing 3, a mounting plate 5 is fixedly connected to one side of the housing 3 and one side of the cover 4, the housing 3 and the cover 4 are fixedly connected through the mounting plate 5, a fixing seat 6 is fixedly connected to the other side of the top of the base 1, a motor 7 is fixedly connected to the top of the fixing seat 6, one end of the motor 7 is rotatably connected with a rotating shaft 8, one end of the rotating shaft 8 penetrates through the side wall of the housing 3 and extends to the inside of the housing 3, an impeller 9 is fixedly connected to the surface of the rotating shaft 8, a baffle 10 is fixedly connected to one side of the impeller 9, a feeding pipe 11 is fixedly connected to one side of the cover 4, the front of the shell 3 is fixedly connected with a discharge pipe 12, the front of the discharge pipe 12 is provided with a connecting pipe 13, a dismounting mechanism 14 is jointly arranged between the discharge pipe 12 and the connecting pipe 13, four corners of the top of the base 1 are provided with a fixing mechanism 15, in the well cementation operation, grouting is carried out between a sleeve and a borehole through a centrifugal pump, a motor 7 is started, the motor 7 drives a rotating shaft 8 to rotate, the rotating shaft 8 drives an impeller 9 to rotate, the impeller 9 rotating at a high speed enables negative pressure to be formed inside the shell 3, so that liquid entering the shell 3 through a feed pipe 11 is discharged out of the shell 3 through the discharge pipe 12 and then enters the connecting pipe 13 to a required position, the dismounting mechanism 14 can facilitate dismounting and mounting of the discharge pipe 12 and the connecting pipe 13, the use is convenient and quick, the base 1 can be fixed through the fixing mechanism 15, so that the device is more stable when working.

The dismounting mechanism 14 includes a first fixing case 141, the first fixing case 141 is fixedly connected to two sides of the discharge pipe 12, a sliding groove 142 is formed in one side of the first fixing case 141, a clamping groove 143 is formed in the first fixing case 141, and the clamping groove 143 is located on one side of the sliding groove 142.

Wherein, the two sides of the connecting pipe 13 are fixedly connected with the second fixed shell 144, the inside of the second fixed shell 144 is slidably connected with the sliding plate 145, and the two sides of the sliding plate 145 are fixedly connected with the connecting rod 146.

One end of the connecting rod 146 passes through the inner wall of the second fixing housing 144 and is fixedly connected with a handle 147, the other end of the connecting rod 146 passes through the inner wall of the second fixing housing 144 and is fixedly connected with a clamping block 148, the side shape of the clamping block 148 is the same as the side shape of the chute 142, and the clamping block 148 is mutually clamped with the clamping groove 143.

Wherein, the spring 149 is elastically connected to one side of the slide plate 145, the spring 149 is sleeved outside the connecting rod 146, when the connecting rod 13 and the discharge pipe 12 are installed through the dismounting mechanism 14, the connecting rod 146 is pushed by the handle 147, so that the connecting rod 146 drives the clamping block 148 to slide into the chute 142, finally, the clamping block 148 is clamped with the clamping groove 143, the spring 149 is abutted against the slide plate 145 through the abutting action of the spring 149, the slide plate 145 drives the clamping block 148 on the connecting rod 146 to be abutted against the clamping groove 143, thereby fixing the connecting rod 13 and the second fixing shell 144, and further, the connecting rod 13 and the discharge pipe 12 can be installed, when the connecting rod 146 is dismounted, the clamping block 148 is rotated and separated from the clamping block 148 through the rotation of the handle 147, and then the clamping block 148 slides out from the chute 142, so that the first fixing shell 141 and the second fixing shell 144 are separated, and the discharge pipe 12 and the connecting pipe 13 can be separated.

Wherein, fixed establishment 15 includes thread bush 151, thread bush 151 fixed connection is in the top of base 1, the inside threaded connection of thread bush 151 has screw thread awl 152, the top fixedly connected with stopper 153 of screw thread awl 152 can be fixed between base 1 and the ground through fixed establishment 15, put base 1 in the back of required position, through rotating screw thread awl 152, make screw thread awl 152 rotate in the inside of thread bush 151, thereby make the bottom of screw thread awl 152 creep into the inside on ground, thereby make between screw thread awl 152 and the ground fixed, and then can make between base 1 and the ground fixed, can not take place great amplitude when the device produces the vibration, thereby the stability of device when using has been increased.

Working principle: in the well cementation operation, grouting is carried out between a casing and a well hole through a centrifugal pump, a motor 7 is started, the motor 7 drives a rotating shaft 8 to rotate, the rotating shaft 8 drives an impeller 9 to rotate, the impeller 9 rotating at a high speed enables the inside of the shell 3 to form negative pressure, so that liquid entering the shell 3 through a feed pipe 11 is discharged out of the shell 3 through a discharge pipe 12, then the device enters a connecting pipe 13 to be discharged to a required position, the discharging pipe 12 and the connecting pipe 13 can be conveniently detached and installed through a disassembly and assembly mechanism 14, the device is convenient and quick to use, and the base 1 can be fixed through a fixing mechanism 15, so that the device is more stable in working;

when the connecting pipe 13 and the discharging pipe 12 are installed through the dismounting mechanism 14, the connecting rod 146 is pushed through the handle 147, the connecting rod 146 drives the clamping block 148 to slide into the chute 142, finally the clamping block 148 is clamped with the clamping groove 143, the spring 149 is abutted against the sliding plate 145 through the abutting action of the spring 149, the sliding plate 145 drives the clamping block 148 on the connecting rod 146 to be abutted against the clamping groove 143, so that the first fixing shell 141 and the second fixing shell 144 are fixed, the connecting pipe 13 and the discharging pipe 12 can be further installed, and when the connecting pipe 13 and the discharging pipe 12 are dismounted, the connecting rod 146 is rotated through the handle 147, the clamping block 148 is rotated and separated from the clamping block 148, and then the clamping block 148 slides out of the chute 142, so that the first fixing shell 141 and the second fixing shell 144 are separated, and the discharging pipe 12 and the connecting pipe 13 can be separated;

can fix between base 1 and the ground through fixed establishment 15, put base 1 in the position of needs after, through rotating screw thread awl 152 for screw thread awl 152 rotates in the inside of thread bush 151, thereby makes the bottom of screw thread awl 152 bore the inside on ground, thereby makes between screw thread awl 152 and the ground fixed, and then can make between base 1 and the ground fixed, can not take place great amplitude when the device produces the vibration, thereby has increased the stability of device when using.

In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims.

Claims

1. A centrifugal pump comprising a base (1), characterized in that: the utility model discloses a material discharging pipe, including base (1), supporting seat (2) is fixedly connected with on one side of the top of base (1), the quantity of supporting seat (2) sets up to two, two the top fixedly connected with casing (3) of supporting seat (2), one side of casing (3) is provided with lid (4), one side of casing (3) and one side of lid (4) are all fixedly connected with mounting panel (5), one side fixedly connected with fixing base (6) of top opposite side of base (1) is passed through mounting panel (5), the top fixedly connected with motor (7) of fixing base (6), one end rotation of motor (7) is connected with pivot (8), the one end of pivot (8) passes the lateral wall of casing (3) and extends to the inside of casing (3), the fixed surface connection of pivot (8) has impeller (9), one side fixedly connected with baffle (10) of impeller (9), one side fixedly connected with (11) of lid (4), the fixed surface connection (12) of casing (3) has feed pipe (12) in front row (12), joint pipe (13) are connected with feed pipe (13) in front, joint pipe (13) are connected with joint pipe (13), fixing mechanisms (15) are arranged at four corners of the top of the base (1).

2. A centrifugal pump according to claim 1, wherein: the disassembly and assembly mechanism (14) comprises a first fixed shell (141), the first fixed shell (141) is fixedly connected to two sides of the discharge pipe (12), a sliding groove (142) is formed in one side of the first fixed shell (141), a clamping groove (143) is formed in the first fixed shell (141), and the clamping groove (143) is located on one side of the sliding groove (142).

3. A centrifugal pump according to claim 1, wherein: the two sides of the connecting pipe (13) are fixedly connected with second fixing shells (144), sliding plates (145) are slidably connected in the second fixing shells (144), and connecting rods (146) are fixedly connected on the two sides of the sliding plates (145).

4. A centrifugal pump according to claim 3, wherein: one end of the connecting rod (146) penetrates through the inner wall of the second fixed shell (144) and is fixedly connected with a handle (147), the other end of the connecting rod (146) penetrates through the inner wall of the second fixed shell (144) and is fixedly connected with a clamping block (148), the side shape of the clamping block (148) is identical to the side shape of the sliding groove (142), and the clamping block (148) is mutually clamped with the clamping groove (143).

5. A centrifugal pump according to claim 3, wherein: one side of the sliding plate (145) is elastically connected with a spring (149), and the spring (149) is sleeved outside the connecting rod (146).

6. A centrifugal pump according to claim 1, wherein: the fixing mechanism (15) comprises a thread sleeve (151), the thread sleeve (151) is fixedly connected to the top of the base (1), a thread cone (152) is connected to the inner thread of the thread sleeve (151), and a limiting block (153) is fixedly connected to the top of the thread cone (152).