CN209959480U

CN209959480U - Chemical alkaline pump easy to maintain

Info

Publication number: CN209959480U
Application number: CN201822217339.3U
Authority: CN
Inventors: 贾煦; 贾恒兰
Original assignee: Jiangsu Double Constant Pump Valve Manufacturing Co Ltd
Current assignee: Jiangsu Double Constant Pump Valve Manufacturing Co Ltd
Priority date: 2018-12-27
Filing date: 2018-12-27
Publication date: 2020-01-17
Anticipated expiration: 2028-12-27

Abstract

The utility model discloses an easy chemical industry alkali pump of maintenance, including pump body support, the pump cover is installed in pump body support's left side, the pump body is installed in pump body support's left side, the right side of bottom plate top is provided with the motor, the left end of pump shaft has cup jointed the impeller, the inside of pump cover is provided with sealed piece, the screw socket has all been seted up at the upper and lower both ends on pump body support right side, L type movable block is all installed through the bearing to the left end of screw rod, the right-hand member of catch bar extends to the juncture of pump body support and pump shaft all with push jack welded fastening, and the push jack cup joints on the pump shaft, the right-hand base bearing that rotates that is provided with of push jack, and rotates the base bearing and cup. The utility model discloses when maintenance and maintenance, can release the main bearing that rotates from pump body support's inner wall, change the main bearing that rotates, convenient and fast, the user of alleviateing's intensity of labour has improved the device maintenance and the work efficiency of maintenance.

Description

Chemical alkaline pump easy to maintain

Technical Field

The utility model relates to a centrifugal pump technical field specifically is a chemical industry alkali pump of easy maintenance.

Background

The centrifugal pump is one of the types of mechanical pumps, negative pressure is generated through rotation of the blades to suck liquid into the blades, then the centrifugal force generated through rotation conveys the liquid to an outlet, the centrifugal pump mainly rotates due to work, so that the requirement on an internal bearing is high, the centrifugal pump is extremely easy to damage, the working quality of the centrifugal pump needs to be guaranteed through periodic replacement, the bearing replacement of the existing centrifugal pump is very troublesome, the internal bearing is difficult to take out for replacement, the maintenance process is complex, and therefore the chemical alkaline pump easy to maintain is provided to solve the problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an easy chemical industry alkali pump of maintenance to it is very troublesome to solve the centrifugal pump change bearing that proposes in the above-mentioned background art, is difficult to take out the inner bearing and changes, the loaded down with trivial details problem of maintenance process.

In order to achieve the above object, the utility model provides a following technical scheme: an easy-to-maintain chemical alkaline pump comprises a pump body support, wherein a pump cover is installed on the left side of the pump body support, a pump body is installed on the left side of the pump body support, a bearing gland is fixed on the right side of the pump body support through a bolt, a left support leg is installed at the bottom end of the pump body through a bolt, a right support leg is installed on the right side of the bottom end of the pump body support through a bolt, the bottom ends of the left support leg and the right support leg are fixedly welded with a bottom plate, a motor is arranged on the right side above the bottom plate, the rotating shaft of the motor is fixedly welded with the right end of the pump shaft, the left end of the pump shaft penetrates through the pump body support and extends into the pump body, an impeller is sleeved at the left end of the pump shaft, fixing grooves are formed in the pump shaft and the impeller, inserting strips are inserted in the, and the seal block cup joints the middle part at the pump shaft, the screw socket has all been seted up at the upper and lower both ends on pump body support right side, and the inside of screw socket all inserts and is equipped with the screw rod, L type movable block is all installed through the bearing to the left end of screw rod, and the other end of L type movable block and the left end welded fastening of catch bar, the right-hand member of catch bar extends to the juncture of pump body support and pump shaft all with the kicking piece welded fastening, and the kicking piece cup joints on the pump shaft, the right-hand main bearing that rotates that is provided with of kicking piece, and rotates the main bearing and cup joint on the pump.

Preferably, the inner wall of the right end of the screw is provided with an internal thread, and the surface of the screw is provided with an external thread meshed with the screw.

Preferably, the inner wall of the bottom end of the fixing groove is provided with an internal thread, and the surface of the cutting is provided with an external thread meshed with the fixing groove.

Preferably, an insertion block is arranged at the joint of the impeller and the pump shaft, and a slot clamped with the impeller is arranged at the left end of the top of the pump shaft.

Preferably, the bottom end of the L-shaped moving block is provided with a sliding block, and the surface of the inner wall of the pump body support is provided with a sliding groove which is clamped with the L-shaped moving block.

Preferably, a sealing ring is arranged at the junction of the pump cover and the pump body.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses when maintaining the mechanical original paper or the impeller of pump body support inside, the user rotates the cutting and takes out the cutting from the fixed slot, can pull down the impeller, maintain the mechanical original paper of pump body support inside, this kind of mounting means is not only fixed firm, can not become flexible because of long-time high-speed rotation, and dismantle simple and conveniently, when changing the rotation main bearing, the user rotates two sets of screws together, make the screw rod drive L type movable block and move right, move the push jack right through the catch bar, release the rotation main bearing from the inner wall of pump body support, change the rotation main bearing, convenient and fast, the user's who alleviates intensity of labour, the work efficiency of the device maintenance and maintenance has been improved;

description of the 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 some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic sectional view of the front view of the structure of the present invention;

FIG. 2 is a schematic side sectional view of the structure A in FIG. 1;

fig. 3 is an enlarged schematic view of the structure B in fig. 1.

In the figure: 1. a pump body bracket; 2. a pump cover; 3. a pump body; 4. a bearing gland; 5. a left leg; 6. a right leg; 7. a base plate; 8. a motor; 9. a pump shaft; 10. an impeller; 11. fixing grooves; 12. cutting; 13. A mechanical seal gland; 14. a sealing block; 15. screwing; 16. a screw; 17. an L-shaped moving block; 18. a push rod; 19. pushing the sheet; 20. rotating the main bearing.

The specific implementation mode is as follows:

the technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides an embodiment:

the utility model provides an easy chemical industry alkaline pump of maintenance, including pump body support 1, pump cover 2 is installed in pump body support 1's left side, pump body 3 is installed in pump body support 1's left side, it is preferred, pump cover 2 is provided with the sealing washer with pump body 3's juncture, it is used for guaranteeing that water can not reveal pump body support 1 inside, there is bearing gland 4 on pump body support 1's right side through the bolt fastening, left stabilizer blade 5 is installed through the bolt in pump body 3's bottom, right stabilizer blade 6 is installed through the bolt in the right side of pump body support 1 bottom, left stabilizer blade 5 and right stabilizer blade 6's bottom all with bottom plate 7 welded fastening.

The right side of bottom plate 7 top is provided with motor 8, and motor 8's axis of rotation and pump shaft 9's right-hand member welded fastening, pump shaft 9's left end passes pump body support 1 and extends to inside the pump body 3, impeller 10 has been cup jointed to pump shaft 9's left end, fixed slot 11 has all been seted up to pump shaft 9 and impeller 10, and the inside of fixed slot 11 is inserted and is equipped with cutting 12, preferably, the inner wall of fixed slot 11 bottom is provided with the internal thread, the surface of cutting 12 is provided with the external screw thread with fixed slot 11 looks meshing, it can drive cutting 12 when being used as rotating cutting 12 and reciprocate, be convenient for take out cutting 12 from fixed slot 11, dismantle impeller 10, preferably, impeller 10 is provided with the inserted block with the handing-over department of pump shaft 9, the left end at pump shaft 9 top is provided with the slot with impeller 10 looks block, it can not become flexible yet when being used as.

A machine seal gland 13 is arranged at the joint of the pump shaft 9 and the inside of the pump body support 1, a seal block 14 is arranged inside the pump cover 2, the seal block 14 is sleeved in the middle of the pump shaft 9, screw ports 15 are arranged at the upper end and the lower end of the right side of the pump body support 1, screw rods 16 are inserted in the screw ports 15, preferably, inner threads are arranged on the inner wall of the right end of each screw port 15, outer threads meshed with the screw ports 15 are arranged on the surface of each screw rod 16 and are used for driving the screw rods 16 to move left and right when a user rotates the screw rods 16, an L-shaped moving block 17 is arranged at the left end of each screw rod 16 through a bearing, preferably, a sliding block is arranged at the bottom end of each L-shaped moving block 17, a sliding groove clamped with the L-shaped moving block 17 is arranged on the surface of the inner wall of the pump body support 1 and is used for ensuring the stability, the right end of the push rod 18 extends to the junction of the pump body support 1 and the pump shaft 9 and is welded and fixed with the push sheet 19, the push sheet 19 is sleeved on the pump shaft 9, the rotating main bearing 20 is arranged on the right of the push sheet 19, and the rotating main bearing 20 is sleeved on the pump shaft 9.

The working principle is as follows: firstly, a user communicates a water tank with an inlet of the pump body 3, the motor 8 drives the pump shaft 9 to rotate, the impeller 10 is driven to rotate, negative pressure is generated inside the pump body 3, water is sucked into the impeller 10, and then the water is discharged from an outlet of the pump body 3 through centrifugal force generated by rotation of the impeller 10.

When carrying out maintenance treatment to inside mechanical original paper or the impeller 10 of this centrifugal pump, user's rotating slip 12 will be inserted the strip 12 and take out from fixed slot 11, can pull down impeller 10, maintain the inside mechanical original paper of pump body support 1, this kind of mounting means is not only fixed firm, can not become flexible because of long-time high-speed rotation, and dismantle simple and convenient, when changing and rotate main bearing 20, user's 16 same rotating of two sets of screw rods, make screw rod 16 drive L type movable block 17 and move right, move push jack 19 through catch bar 18 and move right, will rotate main bearing 20 and release from the inner wall of pump body support 1, change rotating main bearing 20, convenient and fast, user's intensity of labour who alleviates, the work efficiency of the device maintenance has been improved, do the above the utility model discloses a whole theory of operation.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides an easy chemical industry alkali pump of maintenance, includes pump body support (1), its characterized in that: the pump cover (2) is installed on the left side of the pump body support (1), the pump body (3) is installed on the left side of the pump body support (1), a bearing gland (4) is fixed on the right side of the pump body support (1) through bolts, a left support leg (5) is installed at the bottom end of the pump body (3) through bolts, a right support leg (6) is installed on the right side of the bottom end of the pump body support (1) through bolts, the bottom ends of the left support leg (5) and the right support leg (6) are fixedly welded with a bottom plate (7), a motor (8) is arranged on the right side above the bottom plate (7), the rotating shaft of the motor (8) is fixedly welded with the right end of the pump shaft (9), the left end of the pump shaft (9) penetrates through the pump body support (1) and extends into the pump body (3), an impeller (10) is sleeved at the left end of the pump shaft (9), and, an inserting strip (12) is inserted into the fixed groove (11), a sealing cover (13) is arranged at the joint of the pump shaft (9) and the pump body support (1), a sealing block (14) is arranged inside the pump cover (2), the sealing block (14) is sleeved in the middle of the pump shaft (9), screw openings (15) are formed in the upper end and the lower end of the right side of the pump body support (1), screw rods (16) are inserted into the screw openings (15), an L-shaped moving block (17) is arranged at the left end of each screw rod (16) through a bearing, the other end of each L-shaped moving block (17) is welded and fixed with the left end of a push rod (18), the right end of each push rod (18) extends to the joint of the pump body support (1) and the pump shaft (9) and is welded and fixed with a push sheet (19), the push sheet (19) is sleeved on the pump shaft (9), and a main bearing (20) is arranged on the right side of the push sheet (19), and the main rotating bearing (20) is sleeved on the pump shaft (9).

2. The chemical alkaline pump easy to maintain of claim 1, wherein: the inner wall of screw (15) right-hand member is provided with the internal thread, the surface of screw rod (16) is provided with the external screw thread with screw (15) intermeshing.

3. The chemical alkaline pump easy to maintain of claim 1, wherein: the inner wall of fixed slot (11) bottom is provided with the internal thread, the surface of cutting (12) is provided with the external screw thread with fixed slot (11) looks meshing.

4. The chemical alkaline pump easy to maintain of claim 1, wherein: the impeller pump is characterized in that an insertion block is arranged at the joint of the impeller (10) and the pump shaft (9), and a slot clamped with the impeller (10) is formed in the left end of the top of the pump shaft (9).

5. The chemical alkaline pump easy to maintain of claim 1, wherein: the bottom end of the L-shaped moving block (17) is provided with a sliding block, and the surface of the inner wall of the pump body support (1) is provided with a sliding groove clamped with the L-shaped moving block (17).

6. The chemical alkaline pump easy to maintain of claim 1, wherein: and a sealing ring is arranged at the junction of the pump cover (2) and the pump body (3).