CN214273929U

CN214273929U - Variable mud pump crankcase assembly

Info

Publication number: CN214273929U
Application number: CN202120211027.0U
Authority: CN
Inventors: 季亚明; 王延
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-01-26
Filing date: 2021-01-26
Publication date: 2021-09-24
Anticipated expiration: 2031-01-26

Abstract

The utility model provides a variable slush pump crankcase body assembly, include: the device comprises a box body, a first protective cover and a dust cover; a crankshaft cover is arranged on the left side of the upper side of the box body, and the box body is connected with the crankshaft cover in a bolt fixing mode; the first protective cover is arranged on the left side of the upper side of the box body and is connected with the box body in a bolt fixing mode; the piston cover is arranged above the right side of the box body, and the piston cover is connected with the box body in a bolt fixing mode; the dust cover is arranged on the upper side of the piston cover and is connected with the piston cover in a bolt fixing mode; the second protection casing sets up in the right-hand side of box upside, and the second protection casing is connected through the bolt fastening mode with the box. Through the improvement on structure, the anti-blocking, dust-proof and sand-proof shock-absorbing and shock-proof structure has the advantages of preventing blocking, and effectively solving the problems and the defects in the prior art.

Description

Variable mud pump crankcase assembly

Technical Field

The utility model relates to a slush pump technical field, more specifically the theory that says so especially relates to a variable slush pump crankcase body assembly.

Background

The mud pump is often seen in the field of oil drilling, is mechanical equipment for conveying flushing fluid such as mud or water into a drill hole in the drilling process, and is also a component of drilling equipment, and a crankcase serves as one of the components of the mud pump and plays a very important role in protection.

But the protection function is still present to common slush pump crankcase body at present imperfect, because the environment that the slush pump was located is comparatively abominable, is spreading a large amount of dust and mud, not only can accidentally pour into the piston vent of slush pump, influences the normal use of device, still can block up the fixing bolt of device, influences the dismantlement and the maintenance of device.

In view of this, research and improvement are carried out to solve the existing problems, and a variable mud pump crankcase assembly is provided, aiming at achieving the purposes of solving the problems and improving the practical value through the technology.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a variable slush pump crankcase assembly to current common slush pump crankcase who proposes in solving above-mentioned background art still has safeguard function imperfect, because the environment that the slush pump is in is comparatively abominable, is filling a large amount of dust and mud, not only can the unexpected piston blow vent of pouring into the slush pump, influences the normal use of device, still can block up the fixing bolt of device, influences the problem and not enough that the device was dismantled and was maintained.

In order to achieve the above object, the utility model provides a variable slush pump crankcase body assembly is reached by following specific technological means:

a variable displacement mud pump crankcase assembly comprising: the device comprises a box body, a crankshaft cover, a first protective cover, a piston cover, a dust cover, a second protective cover, a supporting rod, a bottom plate, a compression spring, a sleeve and a fixing plate; a crankshaft cover is arranged on the left side of the upper side of the box body, and the box body is connected with the crankshaft cover in a bolt fixing mode; the first protective cover is arranged on the left side of the upper side of the box body and is connected with the box body in a bolt fixing mode; the piston cover is arranged above the right side of the box body, and the piston cover is connected with the box body in a bolt fixing mode; the dust cover is arranged on the upper side of the piston cover and is connected with the piston cover in a bolt fixing mode; the second protective cover is arranged on the right side of the upper side of the box body and is connected with the box body in a bolt fixing mode; the supporting rod is arranged at the lower side of the box body and is connected with the box body in a welding mode; the bottom plate is arranged on the lower side of the supporting rod and is connected with the supporting rod in a welding mode; the compression spring is arranged below the outer side of the supporting rod and is sleeved with the supporting rod; the sleeve is arranged below the outer side of the supporting rod and is in sliding connection with the supporting rod; the fixed plate is arranged on the lower side of the sleeve, and the fixed plate is connected with the sleeve in a welding mode.

As the further optimization of this technical scheme, the utility model relates to a variable slush pump crankcase body assembly first protection casing is rectangular cover column structure, and first protection casing is located the top of crankshaft cover.

As the further optimization of this technical scheme, the utility model relates to a variable slush pump crankcase body assembly the dust cover is netted rectangle cover body structure for the surface.

As the further optimization of this technical scheme, the utility model relates to a variable slush pump crankcase body assembly the second protection casing is rectangular cover body structure, and is equipped with a rectangular hole in the centre of second protection casing upside to the second protection casing is located the top of piston cap.

As a further optimization of this technical scheme, the utility model relates to a variable slush pump crankcase assembly the bracing piece is cylindric structure, and the mode that the bracing piece is the rectangle range is provided with everywhere to the compression spring in the bracing piece outside is located bottom plate and telescopic centre.

As the further optimization of this technical scheme, the utility model relates to a variable slush pump crankcase assembly the fixed plate is annular platelike structure of circle, and the surface of fixed plate is that the mode of circumference range is equipped with the circular shape through-hole of four places.

Because of above-mentioned technical scheme's application, compared with the prior art, the utility model have the following advantage:

1. the utility model relates to a variable slush pump crankcase assembly sets up first protection casing and second protection casing through the upside at the box, can protect bent axle lid and piston cap, not only can prevent that mud from blockking up its fixing bolt, can also prevent that dust from entering into the inside of box along the gap to make the device play the effect that the prevention blockked up.

2. The utility model relates to a variable slush pump crankcase assembly, through the right-hand dust cover that sets up at the box upside, and guaranteed the gaseous discrepancy of piston mouth, can also prevent that the dust from entering into the inside life who reduces the device of device to make the device play the effect that hinders the dirt sand control.

3. The utility model relates to a variable slush pump crankcase assembly sets up bracing piece, bottom plate, compression spring, sleeve and fixed plate through the downside at the box, utilizes the vibrations that its cooperation can effective absorbing device produce to make the device play shock attenuation antidetonation effect.

4. The utility model discloses a structurally to above-mentioned device, have the prevention and block up, hinder dirt sand control and shock attenuation antidetonation advantage to effectual problem and the not enough among the prior art of having solved.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification. In the drawings:

fig. 1 is a schematic exploded view of the present invention;

FIG. 2 is a schematic structural view of the present invention;

fig. 3 is a schematic view of the cross-sectional structure of the support rod of the present invention.

In the figure: the device comprises a box body 1, a crankshaft cover 2, a first protective cover 3, a piston cover 4, a dust cover 5, a second protective cover 6, a supporting rod 7, a bottom plate 8, a compression spring 9, a sleeve 10 and a fixing plate 11.

Detailed Description

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.

It is to be noted that, in the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Meanwhile, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "connected" and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; the connection can be mechanical connection or electrical connection; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 to 3, the present invention provides a specific technical implementation of a variable mud pump crankcase assembly:

a variable displacement mud pump crankcase assembly comprising: the device comprises a box body 1, a crankshaft cover 2, a first protective cover 3, a piston cover 4, a dust cover 5, a second protective cover 6, a supporting rod 7, a bottom plate 8, a compression spring 9, a sleeve 10 and a fixing plate 11; a crankshaft cover 2 is arranged on the left side of the upper side of the box body 1, and the box body 1 is connected with the crankshaft cover 2 in a bolt fixing mode; the first protective cover 3 is arranged on the left side of the upper side of the box body 1, and the first protective cover 3 is connected with the box body 1 in a bolt fixing mode; the piston cover 4 is arranged above the right side of the box body 1, and the piston cover 4 is connected with the box body 1 in a bolt fixing mode; the dust cover 5 is arranged on the upper side of the piston cover 4, and the dust cover 5 is connected with the piston cover 4 in a bolt fixing mode; the second protective cover 6 is arranged on the right side of the upper side of the box body 1, and the second protective cover 6 is connected with the box body 1 in a bolt fixing mode; the support rod 7 is arranged at the lower side of the box body 1, and the support rod 7 is connected with the box body 1 in a welding mode; the bottom plate 8 is arranged at the lower side of the support rod 7, and the bottom plate 8 is connected with the support rod 7 in a welding mode; the compression spring 9 is arranged below the outer side of the support rod 7, and the compression spring 9 is sleeved with the support rod 7; the sleeve 10 is arranged below the outer side of the support rod 7, and the sleeve 10 is connected with the support rod 7 in a sliding manner; the fixing plate 11 is disposed at a lower side of the sleeve 10, and the fixing plate 11 is connected with the sleeve 10 by welding.

Specifically, the first protection cover 3 is a rectangular cover-shaped structure, and the first protection cover 3 is located above the crankshaft cover 2.

Specifically, the dust cover 5 is a rectangular cover structure with a mesh-shaped surface.

Specifically, the second protection cover 6 is a rectangular cover structure, a rectangular hole is formed in the middle of the upper side of the second protection cover 6, and the second protection cover 6 is located above the piston cover 4.

Specifically, the support rod 7 is a cylindrical structure, the support rods 7 are arranged at four positions in a rectangular arrangement mode, and the compression spring 9 on the outer side of the support rod 7 is located between the bottom plate 8 and the sleeve 10.

Specifically, the fixing plate 11 is a circular plate-shaped structure, and four circular through holes are formed in the surface of the fixing plate 11 in a circumferential arrangement manner.

The method comprises the following specific implementation steps:

the device is installed in the corresponding position department of slush pump at first utilizing the through-hole on fixed plate 11 surface, then construct the installation in the inside of box 1 with bent axle equiphase machine, utilize bolt fastening's mode to respectively with bent axle lid 2 at last, first protection casing 3, piston cap 4, dust cover 5 and second protection casing 6 fix in the position that corresponds can, during the use, through first protection casing 3, the protection of second protection casing 6 and dust cover 5 to the device, can reduce the damage that dust and mud caused to the device, simultaneously through compression spring 9 and bottom plate 8 and sleeve 10's cooperation, can absorb the vibrations that the device produced during operation, thereby make the device still have stronger shock attenuation effect when possessing effective guard action, improve its practical value greatly.

In summary, the following steps: according to the variable mud pump crankcase assembly, the first protective cover and the second protective cover are arranged on the upper side of the crankcase, so that a crankshaft cover and a piston cover can be protected, mud can be prevented from blocking a fixing bolt of the variable mud pump, dust can be prevented from entering the crankcase along a gap, and the variable mud pump crankcase assembly can play a role in preventing blocking; the dust cover is arranged on the right side of the upper side of the box body, so that the gas at the piston port is ensured to enter and exit, dust can be prevented from entering the interior of the device, the service life of the device is shortened, and the device plays a role in dust prevention and sand prevention; the supporting rod, the bottom plate, the compression spring, the sleeve and the fixing plate are arranged on the lower side of the box body, and the vibration generated by the device can be effectively absorbed through the cooperation of the supporting rod, the bottom plate, the compression spring, the sleeve and the fixing plate, so that the device has the shock absorption and shock resistance effects.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A variable displacement mud pump crankcase assembly comprising: the device comprises a box body (1), a crankshaft cover (2), a first protective cover (3), a piston cover (4), a dust cover (5), a second protective cover (6), a supporting rod (7), a bottom plate (8), a compression spring (9), a sleeve (10) and a fixing plate (11); the method is characterized in that: a crankshaft cover (2) is arranged on the left side of the upper side of the box body (1), and the box body (1) is connected with the crankshaft cover (2) in a bolt fixing mode; the first protective cover (3) is arranged on the left side of the upper side of the box body (1), and the first protective cover (3) is connected with the box body (1) in a bolt fixing mode; the piston cover (4) is arranged above the right side of the box body (1), and the piston cover (4) is connected with the box body (1) in a bolt fixing mode; the dust cover (5) is arranged on the upper side of the piston cover (4), and the dust cover (5) is connected with the piston cover (4) in a bolt fixing mode; the second protective cover (6) is arranged on the right side of the upper side of the box body (1), and the second protective cover (6) is connected with the box body (1) in a bolt fixing mode; the supporting rod (7) is arranged at the lower side of the box body (1), and the supporting rod (7) is connected with the box body (1) in a welding mode; the bottom plate (8) is arranged on the lower side of the support rod (7), and the bottom plate (8) is connected with the support rod (7) in a welding mode; the compression spring (9) is arranged below the outer side of the supporting rod (7), and the compression spring (9) is sleeved with the supporting rod (7); the sleeve (10) is arranged below the outer side of the supporting rod (7), and the sleeve (10) is connected with the supporting rod (7) in a sliding mode; the fixing plate (11) is arranged on the lower side of the sleeve (10), and the fixing plate (11) is connected with the sleeve (10) in a welding mode.

2. The variable mud pump crankcase assembly of claim 1, wherein: the first protection cover (3) is of a rectangular cover-shaped structure, and the first protection cover (3) is located above the crankshaft cover (2).

3. The variable mud pump crankcase assembly of claim 1, wherein: the dust cover (5) is of a rectangular cover body structure with a reticular surface.

4. The variable mud pump crankcase assembly of claim 1, wherein: the second protection cover (6) is of a rectangular cover body structure, a rectangular hole is formed in the middle of the upper side of the second protection cover (6), and the second protection cover (6) is located above the piston cover (4).

5. The variable mud pump crankcase assembly of claim 1, wherein: the support rod (7) is of a cylindrical structure, the support rod (7) is arranged at four positions in a rectangular arrangement mode, and the compression spring (9) on the outer side of the support rod (7) is located between the bottom plate (8) and the sleeve (10).

6. The variable mud pump crankcase assembly of claim 1, wherein: the fixing plate (11) is of a circular plate-shaped structure, and four circular through holes are formed in the surface of the fixing plate (11) in a circumferential arrangement mode.