CN215762268U - Slurry sand pump with integrated pump cover - Google Patents

Abstract

The utility model belongs to the technical field of slurry sand pumps, and particularly relates to a slurry sand pump with an integrated pump cover, which comprises a pump body, wherein a liquid inlet is formed in the left side of the pump body, a liquid outlet is formed in the top of the pump body, a pump bottom nut is arranged at the bottom of the pump body, an impeller is arranged on the inner side of the pump body, a rotating shaft is arranged on the inner side of the impeller, a locking nut is arranged at the left end part of the rotating shaft and used for limiting the impeller on the rotating shaft, a shaft sleeve is arranged on the rotating shaft, a mechanical seal is arranged on the shaft sleeve, the impeller is fixedly connected with the shaft sleeve through the mechanical seal, a filler gland is arranged on the outer side of the shaft sleeve, a wear-resisting disc pump cover is arranged on the filler gland, and a slipknot bolt is arranged on the wear-resisting disc pump cover, so that the problems that the time for assembling the pump body is too long time, the sealing effect is reduced after a common mechanical sealing method is used for a long time, and the mechanical shaft needs to be replaced when the mechanical seal, wasting resources.

Description

Slurry sand pump with integrated pump cover

Technical Field

The utility model belongs to the technical field of slurry sand pumps, and particularly relates to a slurry sand pump with an integrated pump cover.

Background

The mud sand pump is a machine for conveying flushing fluid of mud or water and the like into a drill hole in the drilling process, is an important component of drilling equipment, and is used for directly conveying clean water, mud or polymer flushing fluid to the bottom end of a drill bit through a high-pressure hose, a water tap and a central hole of a drill string under certain pressure in common forward circulation drilling so as to achieve the purposes of cooling the drill bit, removing cut rock debris and conveying the rock debris to the ground surface. The pump cover of current mud sand pump is mostly split type, need when the equipment whether the pump cover is in pump body center when the assembly to cost a lot of time.

Chinese patent with application number CN201520545933.9 discloses a sand pump, including advancing sand pipe and advancing sand pipe installation cover, be provided with the arch on advancing the lateral wall of sand pipe, be located advance the sand pipe suit of protruding front end is in the inside of advancing sand pipe installation cover, is located advance the sand pipe suit of protruding rear end in the inside of sand pump body shell, advance the outside portion fixed mounting of sand pipe installation cover on the outside portion of sand pump body shell, the arch sets up between the inside portion of advancing sand pipe installation cover and the inside portion of sand pump body shell. According to the utility model, the sand inlet pipe is arranged at the water inlet of the sand suction pump, mortar directly enters the sand suction pump body through the sand inlet pipe, the water inlet of the sand suction pump cannot be impacted, and the water inlet can be protected from being abraded by the mortar; the utility model discloses a will advance sand pipe direct compression through advancing sand pipe installation cover and fix on inhaling sand pump body shell. The utility model can prevent the water inlet pipe from falling off and is convenient to install and maintain.

However, the pump cover among the above prior art is mostly split type, need when the equipment whether the pump cover is in pump body center when the assembly, thereby spend a lot of time, especially after mechanical shaft wearing and tearing, dismantle the time overlength of installation, the extension time limit for a project, and the pump body adopts ordinary mechanical seal method, after using for a long time, sealed effect can descend, need change mechanical shaft when changing mechanical seal, cause the waste.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the prior art, the utility model provides the slurry sand pump with the integrated pump cover, which is used for solving the problems that the time of a pump body is too long, the sealing effect is reduced after a common mechanical sealing method is used for a long time, a mechanical shaft needs to be replaced when the mechanical seal is replaced, and resources are wasted in the conventional mechanical sealing method.

In order to solve the technical problems, the utility model adopts the following technical scheme:

a mud sand pump with an integrated pump cover comprises a pump body, wherein a liquid inlet is arranged on the left side of the pump body, a liquid outlet is arranged at the top of the pump body, a pump bottom nut is arranged at the bottom of the pump body, an impeller is arranged at the inner side of the pump body, a rotating shaft is arranged on the inner side of the impeller, a locking nut is arranged at the left end part of the rotating shaft and limits the impeller on the rotating shaft, the rotating shaft is provided with a shaft sleeve, the shaft sleeve is provided with a mechanical seal, the impeller is fixedly connected with the shaft sleeve through the mechanical seal, a filler gland is arranged on the outer side of the shaft sleeve, a wear-resistant disc pump cover is arranged on the filler gland, a slipknot bolt is arranged on the wear-resistant disc pump cover, the slipknot bolt is provided with a hexagon nut, the filler gland is fixedly connected with the wear-resisting disc pump cover through the slipknot bolt, the utility model discloses a pump, including pivot, pump seat and pump body, the pivot outside is equipped with the pump seat, the pump seat is equipped with stud, the pump seat passes through stud and pump body fixed connection.

Further, a heat dissipation nut is arranged at the top of the pump base, and a plug is arranged at the bottom of the pump base.

The heat dissipation nut can be opened, and the auxiliary pump seat dispels the heat, and the bottom of the pump seat can be plugged up to the plug, prevents that lubricating oil from spilling from the bottom of the pump seat.

Furthermore, a flat key is arranged between the rotating shaft and the shaft sleeve, and the rotating shaft is connected with the shaft sleeve through the flat key.

The flat key can restrict the relative rotation between the rotating shaft and the shaft sleeve, so that the rotating shaft can drive the shaft sleeve to rotate together when rotating.

Furthermore, a first bearing and a second bearing are arranged on the rotating shaft, and the rotating shaft is rotatably connected with the pump base through the first bearing and the second bearing.

The pivot is connected through first bearing, second bearing and pump stand rotation, and first bearing, second bearing can become rolling friction with the pivot at the rotation in-process and between the pump stand, reduce the wearing and tearing of bearing and pump stand.

Furthermore, a left bearing gland and a right bearing gland are arranged on the pump base, and a first hexagon bolt and a second hexagon bolt are respectively arranged on the left bearing gland and the right bearing gland.

The left bearing gland and the right bearing gland can be tightly pressed on the bearing, and the left bearing gland and the right bearing gland can be fixed on the pump seat by the first hexagon bolt and the second hexagon bolt.

Furthermore, an oil cup is arranged on the inner side of the right bearing gland, and a spacer is arranged on the right side of the bearing.

Lubricating oil enters the bearing through the oil cup for lubrication, so that the abrasion of the bearing is reduced, and the shock insulator can prevent the abrasion between the bearing and the right bearing.

Compared with the prior art, the utility model has the following beneficial effects:

1. the pump cover is changed from the original split type into the existing integrated type, whether the pump cover is positioned at the center of the pump body or not is not considered in the assembling process, and the assembling time of the sand pump can be greatly saved;

2. the common mechanical seal is replaced by the mechanical seal with the shaft sleeve, so that the service time of the mechanical seal can be prolonged, and the sealing effect is good;

3. when the mechanical seal is replaced, the rotating shaft does not need to be replaced, and only the shaft sleeve on the outer side of the rotating shaft needs to be replaced, so that the cost is saved.

Drawings

FIG. 1 is a schematic cross-sectional view of an embodiment of a mud and sand pump with an integral pump cover according to the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

FIG. 3 is an enlarged view of a portion of FIG. 1 at B;

reference numerals in the drawings of the specification include:

the pump comprises a pump bottom nut 1, a locking nut 2, a pump body 3, a liquid inlet 301, a liquid outlet 302, an impeller 4, a stud bolt 5, a mechanical seal 6, a shaft sleeve 7, a flat key 8, a packing 9, a hexagonal spring washer 10, a slipknot bolt 11, a hexagonal nut 12, a first hexagonal bolt 13, a left bearing gland 17, a first bearing 18, a heat-dissipating nut 19, a pump base 20, a second bearing 21, a spacer 22, a locking nut 23, a second hexagonal bolt 26, a right bearing gland 27, a left coupler 29, an elastic sleeve 30, a right coupler 31, a bearing sleeve 32, a plug 33, a retainer ring 34, an oil cup 35, a filler gland 36, a wear-resistant disc pump cover 38 and a rotating shaft 39.

Detailed Description

In order that those skilled in the art can better understand the present invention, the following technical solutions are further described with reference to the accompanying drawings and examples.

Wherein the showings are for the purpose of illustration only and are shown by way of illustration only and not in actual form, and are not to be construed as limiting the present patent; to better illustrate the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar components; in the description of the present invention, it should be understood that if the terms "upper", "lower", "left", "right", "inner", "outer", etc. are used for indicating the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of description, but it is not indicated or implied that the referred device or element must have a specific orientation, be constructed in a specific orientation and be operated, and therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes and are not to be construed as limitations of the present patent, and the specific meanings of the terms may be understood by those skilled in the art according to specific situations.

In the description of the present invention, unless otherwise explicitly specified or limited, the term "connected" or the like, if appearing to indicate a connection relationship between the components, is to be understood broadly, for example, as being fixed or detachable or integral; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or may be connected through one or more other components or may be in an interactive relationship with one another. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The first embodiment is as follows:

as shown in fig. 1-3, the utility model relates to a slurry sand pump with an integrated pump cover, which comprises a pump body 3, a liquid inlet 301 is arranged on the left side of the pump body 3, a liquid outlet 302 is arranged on the top of the pump body 3, a pump bottom nut 1 is arranged on the bottom of the pump body 3, an impeller 4 is arranged on the inner side of the pump body 3, a rotating shaft 39 is arranged on the inner side of the impeller 4, a locking nut 2 is arranged on the left end portion of the rotating shaft 39, the impeller 4 is limited on the rotating shaft 39 by the locking nut 2, a shaft sleeve 7 is arranged on the rotating shaft 39, a mechanical seal 6 is arranged on the shaft sleeve 7, the impeller 4 is fixedly connected with the shaft sleeve 7 through the mechanical seal 6, a filler gland 36 is arranged on the outer side of the shaft sleeve 7, a wear-resistant disc pump cover 38 is arranged on the filler gland 36, a slipknot bolt 11 is arranged on the wear-resistant disc pump cover 38, a hexagon nut 12 is arranged on the slipknot bolt 11, a pump seat 20 is arranged on the outer side of the rotating shaft 39, a stud 5 is arranged on the pump seat 20, the pump base 20 is fixedly connected with the pump body 3 through the stud 5. Specifically, liquid enters the pump body 3 from the liquid inlet 301, the impeller 4 provides kinetic energy for the liquid, the liquid flows out of the pump body 3 from the liquid outlet 302, the motor can drive the rotating shaft 39 to rotate, the rotating shaft 39 is provided with the shaft sleeve 7, the shaft sleeve 7 is connected with the impeller 4 through the mechanical seal 6, when the rotating shaft 39 rotates, the shaft sleeve 7 also rotates, so as to drive the impeller 4 to rotate, the packing gland 36 presses the packing 9 on the inner side of the wear-resistant disc pump cover 38, the packing gland 36 is fixedly connected with the wear-resistant disc pump cover 38 through the slipknot bolt 11, the pump base 20 is fixedly connected with the pump body 3 through the stud 5, and meanwhile, the pump base 20 tightly presses the wear-resistant disc pump cover 38 on the pump body 3.

Example two:

as a further improvement of the previous embodiment, as shown in fig. 1-3, the present invention provides a slurry sand pump with an integrated pump cover, which includes a pump body 3, a liquid inlet 301 is provided on the left side of the pump body 3, a liquid outlet 302 is provided on the top of the pump body 3, a pump bottom nut 1 is provided on the bottom of the pump body 3, an impeller 4 is provided on the inner side of the pump body 3, a rotating shaft 39 is provided on the inner side of the impeller 4, a locking nut 2 is provided on the left end portion of the rotating shaft 39, the impeller 4 is limited on the rotating shaft 39 by the locking nut 2, a shaft sleeve 7 is provided on the rotating shaft 39, a mechanical seal 6 is provided on the shaft sleeve 7, the impeller 4 is fixedly connected with the shaft sleeve 7 through the mechanical seal 6, a filler gland 36 is provided on the outer side of the shaft sleeve 7, a wear-resistant disc pump cover 38 is provided on the filler gland 36, a slipknot bolt 11 is provided on the slipknot bolt 11, a hexagon nut 12 is provided on the slipknot bolt 11, the filler gland 36 is fixedly connected with the wear-resistant disc pump cover 38, the outer side of the rotating shaft 39 is provided with a pump seat 20, the pump seat 20 is provided with a stud 5, and the pump seat 20 is fixedly connected with the pump body 3 through the stud 5. Specifically, liquid enters the pump body 3 from the liquid inlet 301, the impeller 4 provides kinetic energy for the liquid, the liquid flows out of the pump body 3 from the liquid outlet 302, the motor can drive the rotating shaft 39 to rotate, the rotating shaft 39 is provided with the shaft sleeve 7, the shaft sleeve 7 is connected with the impeller 4 through the mechanical seal 6, when the rotating shaft 39 rotates, the shaft sleeve 7 also rotates, so as to drive the impeller 4 to rotate, the packing gland 36 presses the packing 9 on the inner side of the wear-resistant disc pump cover 38, the packing gland 36 is fixedly connected with the wear-resistant disc pump cover 38 through the slipknot bolt 11, the pump base 20 is fixedly connected with the pump body 3 through the stud 5, and meanwhile, the pump base 20 tightly presses the wear-resistant disc pump cover 38 on the pump body 3.

The top of the pump base 20 is provided with a heat dissipation nut 19, and the bottom of the pump base 20 is provided with a plug 33. Specifically, the heat dissipation nut 19 can be opened to assist the pump mount 20 in dissipating heat, and the plug 33 can block the bottom of the pump mount 20 to prevent the lubricant from leaking from the bottom of the pump mount 20.

A flat key 8 is arranged between the rotating shaft 39 and the shaft sleeve 7, and the rotating shaft 39 is connected with the shaft sleeve 7 through the flat key 8. Specifically, the flat key 8 can limit the relative rotation between the rotating shaft 39 and the shaft sleeve 7, so that the rotating shaft 39 can drive the shaft sleeve 7 to rotate together when rotating.

The rotating shaft 39 is provided with a first bearing 18 and a second bearing 21, and the rotating shaft 39 is rotatably connected with the pump base 20 through the first bearing 18 and the second bearing 21. Specifically, the rotating shaft 39 is rotatably connected to the pump mount 20 through the first bearing 18 and the second bearing 21, and the first bearing 18 and the second bearing 21 can change sliding friction between the rotating shaft 39 and the pump mount 20 during rotation into rolling friction, thereby reducing wear of the second bearing 21 and the pump mount 20.

The pump base 20 is provided with a left bearing gland 17 and a right bearing gland 27, and the left bearing gland 17 and the right bearing gland 27 are respectively provided with a first hexagon bolt 13 and a second hexagon bolt 26. Specifically, the bearings can be pressed by the left and right bearing covers 17 and 27, and the left and right bearing covers 17 and 27 can be fixed to the pump mount 20 by the first and second hexagonal bolts 13 and 26.

An oil cup 35 is arranged on the inner side of the right bearing gland 27, and a spacer 22 is arranged on the right side of the second bearing 21. Specifically, the lubricating oil enters the bearing through the oil cup 35 to lubricate, so that the abrasion of the bearing is reduced, and the spacer 22 can prevent the abrasion between the second bearing 21 and the right bearing.

In the second embodiment, compared to the first embodiment, the heat dissipation nut 19 can be opened to assist the pump base 20 in dissipating heat, the plug 33 can block the bottom of the pump base 20 to prevent the lubricant from leaking from the bottom of the pump base 20, the flat key 8 can limit the relative rotation between the rotating shaft 39 and the shaft sleeve 7, so that the rotating shaft 39 can drive the shaft sleeve 7 to rotate together when rotating, the rotating shaft 39 is rotatably connected with the pump base 20 through the first bearing 18 and the second bearing 21, the first bearing 18 and the second bearing 21 can change the sliding friction between the rotating shaft 39 and the pump base 20 during the rotation process into rolling friction, the abrasion between the second bearing 21 and the pump base 20 is reduced, the bearings can be tightly pressed on the bearings by the left bearing gland 17 and the right bearing gland 27, the left bearing gland 17 and the right bearing gland 27 can be fixed on the pump base 20 by the first hexagon bolt 13 and the second hexagon bolt 26, the lubricating oil enters the bearing through the oil cup 35 for lubrication, so that the abrasion of the bearing is reduced, and the spacer 22 can prevent the abrasion between the second bearing 21 and the right bearing.

The use method of the device comprises the following steps: the first bearing 18 and the second bearing 21 are firstly installed on the rotating shaft 39, then the shaft 39 is placed on the inner side of the pump seat 20, the two sides of the bearing are fixed by the left bearing gland 17 and the right bearing gland 27, and the left bearing gland 17 and the right bearing gland 27 are fixed on the pump base 20 by the first hexagon bolt 13 and the second hexagon bolt 26, then the shaft sleeve 7 is installed on the rotating shaft 39, the shaft sleeve 7 and the rotating shaft 39 are connected by the flat key 8, the packing gland 36 and the packing 9 are placed on the rotating shaft 39, the wear-resistant disc pump cover 38 is placed above the packing gland 36 and the packing 9, the packing gland 36 is fixedly connected with the wear-resistant disc pump cover 38 through the slipknot bolt 11, the impeller 4 is installed on the rotating shaft 39, the impeller 4 is limited to slide on the rotating shaft 39 by the locking nut 2, the mechanical seal 6 is then installed between the impeller 4 and the sleeve 7, and the pump block 20 is then mounted on the pump body 3. When the liquid sucking device is used, the rotating shaft 39 rotates to drive the shaft sleeve 7 to rotate, the shaft sleeve 7 is connected with the impeller 4, and therefore the impeller 4 rotates to suck liquid from the liquid inlet 301 and discharge the liquid from the liquid outlet 302.

The foregoing are merely exemplary embodiments of the present invention, and no attempt is made to show structural details of the utility model in more detail than is necessary for the fundamental understanding of the art, the description taken with the drawings making apparent to those skilled in the art how the several forms of the utility model may be embodied in practice with the teachings of the utility model. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several changes and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent.

Claims (6)

1. The utility model provides a mud sand pump with integral type pump cover which characterized in that: the pump comprises a pump body (3), a liquid inlet (301) is formed in the left side of the pump body (3), a liquid outlet (302) is formed in the top of the pump body (3), a pump bottom nut (1) is arranged at the bottom of the pump body (3), an impeller (4) is arranged on the inner side of the pump body (3), a rotating shaft (39) is arranged on the inner side of the impeller (4), a locking nut (2) is arranged at the left end of the rotating shaft (39), the impeller (4) is limited on the rotating shaft (39) by the locking nut (2), a shaft sleeve (7) is arranged on the rotating shaft (39), a mechanical seal (6) is arranged on the shaft sleeve (7), the impeller (4) is fixedly connected with the shaft sleeve (7) through the mechanical seal (6), a filling material gland (36) is arranged on the outer side of the shaft sleeve (7), a wear-resistant disc pump cover (38) is arranged on the wear-resistant disc pump cover (38), and a slipknot bolt (11) is arranged on the wear-resistant disc pump cover (38), be equipped with hexagon nut (12) on slipknot bolt (11), filler gland (36) are through slipknot bolt (11) and wear-resisting dish pump cover (38) fixed connection, pivot (39) outside is equipped with pump seat (20), pump seat (20) are equipped with stud (5), pump seat (20) are through stud (5) and pump body (3) fixed connection.

2. The mud sand pump with integrated pump cover of claim 1, wherein: the heat dissipation pump is characterized in that a heat dissipation nut (19) is arranged at the top of the pump seat (20), and a plug (33) is arranged at the bottom of the pump seat (20).

3. The mud sand pump with integrated pump cover of claim 2, wherein: be equipped with between pivot (39) and axle sleeve (7) parallel key (8), pivot (39) are connected with axle sleeve (7) through parallel key (8).

4. The mud sand pump with integral pump cover of claim 3, wherein: be equipped with first bearing (18), second bearing (21) on pivot (39), pivot (39) are connected with pump stand (20) rotation through first bearing (18), second bearing (21).

5. The mud sand pump with integrated pump cover of claim 4, wherein: be equipped with left bearing gland (17), right bearing gland (27) on pump stand (20), be equipped with first hex bolts (13), second hex bolts (26) on left side bearing gland (17), right bearing gland (27) respectively.

6. The mud sand pump with integral pump cover of claim 5, wherein: an oil cup (35) is arranged on the inner side of the right bearing gland (27), and a spacer (22) is arranged on the right side of the second bearing (21).

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