阅读说明：本技术 便于安装的离心泵 (Centrifugal pump convenient to installation ) 是由 张军辉 蔡明虎 腾海龙 许允 宫克 徐金华 于 2019-10-31 设计创作，主要内容包括：本发明提出一种便于安装的离心泵,涉及泵技术领域,包括泵体和安装架,安装架上方设蜗轮丝杆升降机,其包括传动箱和丝杆；丝杆顶端安装支撑板,其上方设U形架,U形架与支撑板间设弹簧阻尼器；U形架上设若干导柱,导柱两端对称套设传动座,传动座上方设安装板,安装板下端设连接柱；连接柱与传动架的一端铰接,传动架的另一端与传动座铰接；传动座与U形架间的导柱上套设减震弹簧；丝杆下端设限位板,其与安装架间滑动连接；泵体安装在安装板上。本发明便于装置的安装和拆卸,降低施工难度,减震效果好,保证了泵体使用的安全性。(The invention provides centrifugal pumps convenient to mount, which relate to the technical field of pumps and comprise a pump body and a mounting frame, wherein a worm gear lead screw lifter is arranged above the mounting frame and comprises a transmission case and a lead screw, a support plate is mounted at the top end of the lead screw, a U-shaped frame is arranged above the support plate, a spring damper is arranged between the U-shaped frame and the support plate, a plurality of guide columns are arranged on the U-shaped frame, transmission seats are symmetrically sleeved at two ends of the guide columns, a mounting plate is arranged above the transmission seats, a connecting column is arranged at the lower end of the mounting plate and is hinged with the end of the transmission frame, the other end of the transmission frame is hinged with the transmission seats, damping springs are sleeved on the guide columns between the transmission seats and the U-shaped frame, a limiting plate is arranged at the lower end of the lead screw and is in sliding connection with the mounting frame, and the pump body.)

The centrifugal pump convenient to install comprises a pump body and an installation frame, and is characterized in that a worm wheel lead screw lifter is arranged above the installation frame and comprises a transmission case, and a lead screw in the vertical direction penetrates through the transmission case;

the top end of the screw rod is provided with a supporting plate, a U-shaped frame is arranged above the supporting plate, a spring damper is arranged between the U-shaped frame and the supporting plate, a plurality of guide columns in the horizontal direction are arranged on the U-shaped frame and are parallel to each other, transmission seats are symmetrically sleeved at two ends of the guide columns, a mounting plate is arranged above the transmission seats, a connecting column corresponding to the transmission seat is arranged at the lower end of the mounting plate, the connecting column is hinged with the end of the transmission frame, the other end of the transmission frame is hinged with the transmission seats, and a damping spring is sleeved on the guide columns between the transmission seats and the U-shaped frame;

the lower end of the screw rod is provided with a limiting plate, the limiting plate is arranged inside the mounting frame, and the limiting plate is connected with the mounting frame in a sliding manner;

the pump body is installed on the mounting panel.

2. The centrifugal pump convenient to install as recited in claim 1, wherein a transverse partition is provided in said transmission case, said partition being provided with a through hole, a support tube being provided through said through hole; a worm wheel is arranged above the partition plate, a wheel hole is formed in the middle of the worm wheel, and the wheel hole is connected with the upper end of the supporting tube; a screw rod nut is arranged below the partition plate and connected with the lower end of the supporting tube; the screw rod sequentially penetrates through the wheel hole, the supporting tube and the screw rod nut, and the screw rod is screwed with the screw rod nut;

and a worm meshed with the worm wheel is arranged in the transmission case, and the end of the worm penetrates out of the outer side of the transmission case and is connected with an adjusting motor.

3. The centrifugal pump convenient to mount as claimed in claim 2, wherein an annular groove is formed above the partition plate, the annular groove surrounds the through hole , and a ball bearing is arranged in the annular groove and abuts against the lower end of the turbine.

4. The centrifugal pump of claim 1 wherein each of said drive frames is symmetrically disposed along a perpendicular bisector of said U-shaped frame, said drive frames being disposed at an angle of 45 degrees to said perpendicular bisector of said U-shaped frame.

5. The centrifugal pump of claim 1 wherein said mounting bracket has fastening lugs symmetrically mounted at its lower end.

Technical Field

The invention relates to the technical field of pumps, in particular to centrifugal pumps convenient to install.

Background

The centrifugal pump works by utilizing the centrifugal motion of water generated by the rotation of an impeller and mainly comprises the impeller, a pump body, a pump shaft, a bearing, a sealing ring, a stuffing box and the like. It is mainly characterized in that: compact structure, wide flow lift range, even flow, stable operation, small vibration, low equipment installation, maintenance and repair cost and the like. Before the centrifugal 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 rotate at a high speed, the water is thrown to the outer edge of the impeller to be thrown into a water pressing pipeline of the water pump through a flow channel of the volute-shaped pump shell.

When the existing centrifugal pump is used, the installation and the disassembly are very inconvenient; the too high mounted position that leads to the pump body rather than the problem of carrying out the butt joint appears fixed body when using. In addition, the existing device has the problem of reducing the service life of the device due to poor buffering effect.

Disclosure of Invention

The invention provides centrifugal pumps convenient to mount, and solves the problems that the centrifugal pump in the prior art is inconvenient to mount and dismount and has poor buffering effect.

The technical scheme of the invention is realized as follows:

centrifugal pumps convenient to mount comprise a pump body and a mounting rack, wherein a worm wheel lead screw lifter is arranged above the mounting rack, the worm wheel lead screw lifter comprises a transmission case, and a lead screw in the vertical direction penetrates through the transmission case;

the top end of the screw rod is provided with a supporting plate, a U-shaped frame is arranged above the supporting plate, a spring damper is arranged between the U-shaped frame and the supporting plate, a plurality of guide columns in the horizontal direction are arranged on the U-shaped frame and are parallel to each other, transmission seats are symmetrically sleeved at two ends of the guide columns, a mounting plate is arranged above the transmission seats, a connecting column corresponding to the transmission seat is arranged at the lower end of the mounting plate, the connecting column is hinged with the end of the transmission frame, the other end of the transmission frame is hinged with the transmission seats, and a damping spring is sleeved on the guide columns between the transmission seats and the U-shaped frame;

the lower end of the screw rod is provided with a limiting plate, the limiting plate is arranged inside the mounting frame, and the limiting plate is connected with the mounting frame in a sliding manner;

the pump body is installed on the mounting panel.

, arranging a transverse partition plate in the transmission case, arranging a through hole on the partition plate, and arranging a support tube in the through hole, arranging a worm gear above the partition plate, arranging a wheel hole in the middle of the worm gear, wherein the wheel hole is connected with the upper end of the support tube, arranging a screw nut below the partition plate, and the screw nut is connected with the lower end of the support tube;

and a worm meshed with the worm wheel is arranged in the transmission case, and the end of the worm penetrates out of the outer side of the transmission case and is connected with an adjusting motor.

, an annular groove is arranged above the partition plate, surrounds the through hole , and is internally provided with a ball which is abutted against the lower end of the turbine.

, the transmission frames are symmetrically distributed along the perpendicular bisector of the U-shaped frame, and the included angle between the transmission frames and the perpendicular bisector of the U-shaped frame is 45 degrees.

, fixing lugs are symmetrically arranged at the lower end of the mounting rack.

The invention has the beneficial effects that:

1. in the invention, the mounting frame and the worm wheel screw rod lifter are arranged, so that the adjustability of the device is increased, the device is convenient to mount and dismount, and the pump body is convenient to maintain; the device can adjust the working height of the pump body according to the real-time working condition, thereby increasing the use safety of the pump body and prolonging the service life of the pump body; meanwhile, the construction difficulty is reduced, and the problem that the pump body cannot be butted with the pump body due to the fact that the mounting position of the fixing pipe body is too high when the pump body is used is avoided.

2. The transmission seat, the damping spring and the transmission frame are matched for use, so that the device converts longitudinal force into transverse force, the movement stroke is increased, the damping effect is further increased, the shock absorption force is avoided when shock absorption is carried out, the shock absorption stability and safety are increased, and the use safety of a pump body is ensured.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

FIG. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is an assembly view of the mounting plate of FIG. 1 in accordance with the present invention;

FIG. 3 is a schematic view of the internal structure of the transmission case of FIG. 1 according to the present invention;

fig. 4 is a schematic view of the worm wheel of fig. 3 according to the present invention.

Wherein:

1. a pump body; 2. mounting a plate; 3. a U-shaped frame; 4. a support plate; 5. a screw rod; 6. a transmission case; 7. fixing the ear; 8. a mounting frame; 9. a limiting plate; 10. a damping spring; 11. a transmission frame; 12. a transmission seat; 13. a guide post; 14. connecting columns; 15. a spring damper; 16. adjusting the motor; 17. a worm; 18. a feed screw nut; 19. a worm gear; 20. a worm screw hoist; 21. a partition plate; 22. penetrating through the hole; 23. supporting a tube; 24. a wheel hole; 25. an annular groove; 26. and a ball.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only partial embodiments of of the present invention, rather than all embodiments.

As shown in fig. 1 to 4, the centrifugal pump convenient to mount in this embodiment includes a pump body 1 and a mounting bracket 8, a worm screw lifter 20 is disposed above the mounting bracket 8, the worm screw lifter 20 includes a transmission case 6, a screw 5 in a vertical direction penetrates through the transmission case 6, in this embodiment, a transverse partition plate 21 is disposed in the transmission case 6, an edge end of the partition plate 21 is fixed to the transmission case 6, a through hole 22 is formed in the partition plate 21, a support pipe 23 penetrates through the through hole 22, a worm wheel 19 is disposed above the partition plate 21, a wheel hole 24 is disposed in a middle of the worm wheel 19, the wheel hole 24 is connected to an upper end of the support pipe 23, an annular groove 25 is disposed above the partition plate 21, the annular groove 25 surrounds the through hole 22 , a ball 26 is disposed in the annular groove 25, the ball 26 abuts against a lower end of the worm wheel, the ball 26 can reduce friction, the worm wheel 19 can rotate more smoothly, a screw nut 18 is disposed below the partition plate 21, the screw nut 18 is connected to a lower end of the worm screw nut 23, the worm screw nut 18 and a worm screw nut 23 can rotate with a worm screw 16, and a worm screw nut 16 and a worm wheel 16 can be engaged with the worm screw nut 16 and a worm screw 6 and a worm wheel 6, and a worm wheel 16 are disposed in turn, and a worm gear box 16.

The damping device is characterized in that a supporting plate 4 is installed at the top end of the lead screw 5, a U-shaped frame 3 is arranged above the supporting plate 4, spring dampers 15 are arranged between the U-shaped frame 3 and the supporting plate 4, the number of the spring dampers 15 can be selected according to the size of the U-shaped frame 3, and a plurality of spring dampers 15 are uniformly distributed below the U-shaped frame 3, so that damping is more balanced, the spring dampers 15 play a damping effect, the damping effect of the device is improved, the problem that the damping effect is poor due to the fact that damping processes are only adopted when the device is used in the prior art is solved, a plurality of guide pillars 13 in the horizontal direction are arranged on the U-shaped frame 3, a plurality of guide pillars 13 are mutually parallel, two guide pillars 13 are arranged on the side walls on two sides of the U-shaped frame 3 at two ends, in the figure 1, are close to the outer side of a paper surface, is close to the inner side of the paper surface, transmission seats 12 are symmetrically sleeved at two ends of the guide pillars 13, the transmission seats 12 can slide along the guide pillars 13, a transmission seat 12 can slide along the transmission seat 12, a transmission seat is arranged above the guide pillar 12, the transmission seat is arranged on the transmission frame 12, the transmission seat is matched with a transmission column 14, the transmission seat is used in a safety transmission seat, the transmission frame 14, the transmission frame, the transmission seat is used in a safety shock absorption of the transmission frame, the transmission seat, the shock absorption frame 14, the shock absorption frame is used in the shock absorption frame, the shock absorption of the shock absorption frame, the shock absorption.

The lower extreme of lead screw 5 is equipped with limiting plate 9, limiting plate 9 sets up the inside at mounting bracket 8, sliding connection between limiting plate 9 and the mounting bracket 8. The mounting frame 8 is provided with a slide way in the vertical direction, the edge end of the limiting plate 9 is slidably arranged in the slide way, and then the limiting plate 9 can slide in the vertical direction along the slide way. When the worm wheel 19 and the screw nut 18 are driven by the screw to rotate, the screw 5 can move in the vertical direction due to the fact that the limiting plate 9 limits the screw 5 not to rotate along with the screw. The pump body 1 is mounted on the mounting plate 2, where the pump body 1 is fixed to the mounting plate 2 by means of bolts.

In this embodiment, the fixing lugs 7 are symmetrically installed at the lower end of the mounting rack 8, and the invention can be conveniently fixed on a use place through the fixing lugs 7. The fixing lug 7 can be provided with a screw hole and fixed on a use ground through a bolt.

When the pump body is used, the fixing lug 7 is fixed on the fixing surface of the working position, and then the working height of the pump body 1 is adjusted according to the connection process and the real-time working condition; at the moment, the adjusting motor 16 is started, the adjusting motor 16 drives the worm 17 to rotate, the worm 17 drives the worm wheel 19 to rotate, the worm wheel 19 rotates and the lead screw nut 18 rotates, in the process, the limiting plate 9 has a limiting effect on the lead screw 5, and the lead screw nut 18 rotates and the lead screw 5 is adjusted up and down. When the pump body 1 reaches the designated working height, the adjusting motor 16 is stopped, and the connection between the pump body 1 and the external water pipe is realized. In the process, the mounting frame 8, the transmission case 6, the worm wheel 19, the worm 17, the lead screw 5 and the lead screw nut 18 are matched for use, so that the adjustability of the device is increased, the mounting and the dismounting of the device are facilitated, and the maintenance of the pump body 1 by the device is facilitated; the device can adjust the working height of the pump body 1 according to the real-time working condition, thereby increasing the use safety of the pump body 1 and prolonging the service life of the pump body 1; meanwhile, the construction difficulty is reduced, and the problem that the pump body 1 cannot be butted with the pump body due to the fact that the mounting position of the fixed pipe body is too high when the pump body is used is avoided.

When the shock absorption device is used, the pump body 1 is connected with an external power supply, the pump body 1 vibrates when working, the mounting plate 2 is stressed, the mounting plate 2 extrudes the transmission frame 11 through the connecting column 14 at the moment, the transmission frame 11 transmits force to the transmission seat 12, the transmission seat 12 is stressed to move towards the side of the shock absorption spring 10 to extrude the shock absorption spring 10, and a primary shock absorption effect is achieved at the moment.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.