CN214887669U - Quick dismounting device of slush pump piston assembly - Google Patents
Quick dismounting device of slush pump piston assembly Download PDFInfo
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- CN214887669U CN214887669U CN202121675113.3U CN202121675113U CN214887669U CN 214887669 U CN214887669 U CN 214887669U CN 202121675113 U CN202121675113 U CN 202121675113U CN 214887669 U CN214887669 U CN 214887669U
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Abstract
The utility model provides a rapid dismounting device for a piston assembly of a slurry pump, which comprises a base and a supporting plate, wherein the supporting plate is connected with a supporting seat, and the top of the supporting seat is provided with an arc-shaped notch I; the supporting plate is also connected with a clamping seat, the top of the clamping seat is provided with a clamping opening, and the piston rod is provided with a clamping groove to form a clamping part; the clamping portion is matched with the bayonet and is inserted into the bayonet in a clamping manner; a gland is further arranged above the supporting seat, an arc-shaped notch II corresponding to the arc-shaped notch I is formed in the bottom surface of the gland, and the arc-shaped notch I and the arc-shaped notch II are combined to form an accommodating cavity for accommodating the piston rod; the side wall of the supporting seat is connected with a guide rod, the guide rod is connected with a sliding block in a relative sliding manner, a hanging plate is connected above the sliding block, the hanging plate is T-shaped, the side wall of the gland is provided with a positioning groove, and the hanging plate is clamped in the positioning groove; the lateral wall of link plate still is connected with the spring, and the other end and the supporting seat lateral wall of spring link to each other. The device has simple structure and convenient use, is beneficial to the operation of workers, and improves the working efficiency.
Description
Technical Field
The utility model belongs to the technical field of drilling equipment, concretely relates to quick dismounting device of mud pump piston assembly.
Background
A mud pump is a machine that delivers a flushing fluid, such as mud or water, into a borehole during drilling. The mud pump is an important component of drilling equipment, in large-caliber drilling engineering, mud is recycled by using a reciprocating mud pump for operation, a piston assembly in the reciprocating mud pump is a main wearing part for replacement and needs to be replaced frequently. The above operation mode has the following problems: because the diameter of piston assembly is obviously greater than the diameter of piston rod, consequently, the piston rod rotates very easily at this in-process, is difficult to control when blocking piston rod draw-in groove with the spanner, influences the dismantlement speed, simultaneously, is unfavorable for the staff to operate.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems existing in the prior art, the quick dismounting device for the piston assembly of the slurry pump is provided.
The utility model provides a technical scheme that its technical problem adopted is:
the technical scheme provides a quick dismounting device for a piston assembly of a slurry pump, which comprises a base, wherein a supporting plate is detachably connected to the upper surface of the base, a supporting seat used for supporting a piston rod is connected to the upper surface of the supporting plate, and an arc-shaped notch I matched with the piston rod is formed in the top of the supporting seat; the upper surface of the supporting plate is also connected with a clamping seat, the top of the clamping seat is provided with a clamping opening, and the piston rod is provided with a clamping groove to form a clamping part; the clamping portion is matched with the bayonet and is inserted into and clamped in the bayonet; a gland is further arranged above the supporting seat, an arc-shaped notch II corresponding to the arc-shaped notch I is formed in the bottom surface of the gland, and the arc-shaped notch I and the arc-shaped notch II are combined to form an accommodating cavity for accommodating the piston rod; the side wall of the supporting seat is connected with a guide rod, the guide rod is connected with a sliding block in a relative sliding manner, a hanging plate is connected above the sliding block, the hanging plate is T-shaped, a positioning groove is formed in the side wall of the gland, and the hanging plate is clamped in the positioning groove; the lateral wall of link plate still is connected with the spring, the other end of spring with the supporting seat lateral wall links to each other.
The number of the supporting seats is two, and the two supporting seats are respectively arranged on the left side and the right side of the clamping seat.
The arc-shaped notch I and the arc-shaped notch II are in a semi-circular arc shape.
The bayonet is rectangular.
The four corners of the bottom of the base are connected with supporting legs.
The base is fixedly connected with the supporting plate through bolts.
Extension parts are arranged on two sides of the gland, the extension parts extend out of the supporting seat, and a gap is formed between the side edge of the extension part and the side edge of the supporting seat.
And flexible pads are attached to the inner walls of the arc-shaped notch I, the arc-shaped notch II and the bayonet.
Compared with the prior art, the utility model has the advantages of it is following:
1. when the device is used, the disassembled piston rod and the piston assembly are supported and fixed by the device, the position of the clamping groove on the piston rod is adjusted, the piston rod is placed on the arc-shaped notch I of the supporting seat, the clamping part is clamped into the clamping opening, and the clamping opening can play a role in preventing the piston rod from rotating; then the hanging plate is pulled, the spring generates elasticity, an installation space is reserved, the gland can be buckled at the top of the supporting seat, then the hanging plate is loosened, the hanging plate is reset under the action of the elasticity of the spring, the scraper is clamped into the positioning groove, and thus the fixed connection between the gland and the supporting seat is completed, the gland can play a role in preventing the end part of the piston rod from being warped, and the limit in the vertical direction is completed; and finally, the piston assembly can be replaced only by disassembling the nut used for fixing the piston assembly at the front end of the piston rod through a wrench, so that the operation is convenient and fast, the operation of workers is facilitated, and the working efficiency is improved.
2. The flexible pads are attached to the inner walls of the arc-shaped notch I, the arc-shaped notch II and the bayonet, so that the piston rod can be protected, and the piston rod is prevented from being damaged in the assembling and disassembling process.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a front view of the present invention.
Fig. 2 is a partial top view of the piston rod.
Fig. 3 is an enlarged schematic view of the press cover structure of fig. 1.
Fig. 4 is a side view of the support base.
Figure 5 is a side view of the cartridge.
FIG. 6 is a schematic view of the engaging structure of the pressing cover and the supporting seat in a side view.
Description of reference numerals:
1, a base; 2, supporting legs; 3, supporting plates; 4, supporting a seat; 5, a clamping seat; 6 a piston rod; 7 a piston assembly; 8, a screw cap; 9 card slots; 91 a clamping part; 10, pressing a cover; 101 positioning grooves; 11 hanging a plate; 12, a sliding block; 13 a guide rod; 14, bolts; 15 arc-shaped notches I; 16 bayonets; 17 an extension portion; 18 springs; 19 arc-shaped notches II.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.
Example one
As shown in fig. 1-6, this embodiment provides a quick dismounting device of mud pump piston assembly, including the base, the base can adopt the channel-section steel welding to form, and the bottom four corners department of base is connected with the landing leg. The upper surface of the base is detachably connected with a supporting plate, and the base is fixedly connected with the supporting plate through bolts in a bolting mode.
The upper surface of the supporting plate is connected with a supporting seat for supporting the piston rod, the supporting seat and the supporting plate are welded, and the top of the supporting seat is provided with an arc-shaped notch I matched with the piston rod; the upper surface of the supporting plate is also connected with a clamping seat, and the clamping seat and the supporting plate are also welded; the top of the clamping seat is provided with a rectangular clamping opening, and the outer wall of the piston rod is provided with a clamping groove to form a clamping part; the clamping portion is matched with the clamping opening, the width of the clamping opening is slightly larger than that of the clamping portion, and therefore the clamping portion can be inserted into the clamping opening to be clamped in the clamping opening. Therefore, when the device is used, the piston rod and the piston assembly which are detached are supported and fixed through the device, the position of the clamping groove on the piston rod is adjusted, the piston rod is placed on the arc-shaped notch I of the supporting seat, the clamping portion is clamped into the clamping opening, the clamping opening can play a role in preventing the piston rod from rotating, and then the nut used for fixing the piston assembly at the front end of the piston rod is detached through the wrench to complete the replacement of the piston assembly.
In order to solve the problem, a gland is further arranged above the supporting seat, an arc-shaped notch II corresponding to the arc-shaped notch I is formed in the bottom surface of the gland, and the arc-shaped notch I and the arc-shaped notch II are closed to form an accommodating cavity for accommodating the piston rod; the arc-shaped notch I and the arc-shaped notch II are in a semi-arc shape, and the piston rod can be wrapped in the arc-shaped notch I and the arc-shaped notch II after the arc-shaped notch I and the arc-shaped notch II are closed.
The side wall of the supporting seat is connected with a guide rod, the guide rod is connected with a sliding block in a relative sliding manner, the sliding block is sleeved on the guide rod, and the sliding block can slide left and right along the guide rod; a hanging plate is connected above the sliding block, the hanging plate is T-shaped, a positioning groove is formed in the side wall of the gland, and the hanging plate can be clamped in the positioning groove to complete the connection of the gland and the supporting seat; the lateral wall of link plate still is connected with the spring, and the other end and the supporting seat lateral wall of spring link to each other.
The quantity of supporting seat is provided with two, sets up respectively in the left and right sides of cassette, and the supporting seat sets up in tandem, and the cassette is located between two supporting seats.
In order to facilitate the clamping of the scraper, the two sides of the gland are provided with the extending parts, the extending parts extend out of the supporting seat, gaps are formed between the side edges of the extending parts and the side edges of the supporting seat, the size of the gaps is determined according to actual conditions, and only after the scraper is clamped into the positioning groove, the spring has tension, the hanging plate can be tightly clamped into the positioning groove, the hanging plate is prevented from being moved out of the positioning groove, and the safety use is high.
The working principle of the device is as follows:
when the device is used, the disassembled piston rod and the piston assembly are supported and fixed by the device, the position of the clamping groove on the piston rod is adjusted, the piston rod is placed on the arc-shaped notch I of the supporting seat, the clamping part is clamped into the clamping opening, and the clamping opening can play a role in preventing the piston rod from rotating; then the hanging plate is pulled, the spring generates elasticity, an installation space is reserved, the gland can be buckled at the top of the supporting seat, then the hanging plate is loosened, the hanging plate is reset under the action of the elasticity of the spring, the scraper is clamped into the positioning groove, and thus the fixed connection between the gland and the supporting seat is completed, the gland can play a role in preventing the end part of the piston rod from being warped, and the limit in the vertical direction is completed; and finally, the piston assembly can be replaced only by disassembling the nut used for fixing the piston assembly at the front end of the piston rod through a wrench, so that the operation is convenient and fast, the operation of workers is facilitated, and the working efficiency is improved.
Example two
On the basis of embodiment one, the quick dismounting device of mud pump piston assembly that this embodiment provided, all attached the flexible pad on arc notch I, arc notch II and the bayonet socket inner wall, can play the effect of protection piston rod like this, prevent to cause the damage to the piston rod at loading and unloading in-process.
While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (8)
1. The quick disassembling device for the piston assembly of the slurry pump comprises a base and is characterized in that a supporting plate is detachably connected to the upper surface of the base, a supporting seat used for supporting a piston rod is connected to the upper surface of the supporting plate, and an arc-shaped notch I matched with the piston rod is formed in the top of the supporting seat; the upper surface of the supporting plate is also connected with a clamping seat, the top of the clamping seat is provided with a clamping opening, and the piston rod is provided with a clamping groove to form a clamping part; the clamping portion is matched with the bayonet and is inserted into and clamped in the bayonet; a gland is further arranged above the supporting seat, an arc-shaped notch II corresponding to the arc-shaped notch I is formed in the bottom surface of the gland, and the arc-shaped notch I and the arc-shaped notch II are combined to form an accommodating cavity for accommodating the piston rod; the side wall of the supporting seat is connected with a guide rod, the guide rod is connected with a sliding block in a relative sliding manner, a hanging plate is connected above the sliding block, the hanging plate is T-shaped, a positioning groove is formed in the side wall of the gland, and the hanging plate is clamped in the positioning groove; the lateral wall of link plate still is connected with the spring, the other end of spring with the supporting seat lateral wall links to each other.
2. The quick disassembling device for the piston assembly of the slurry pump according to claim 1, wherein the number of the supporting seats is two, and the two supporting seats are respectively arranged at the left side and the right side of the clamping seat.
3. The mud pump piston assembly quick release device of claim 1, wherein the arcuate notch I and the arcuate notch II are semi-circular arcs.
4. The mud pump piston assembly quick disconnect of claim 1, wherein the shape of the bayonet is rectangular.
5. The mud pump piston assembly quick release device of claim 1, wherein the bottom four corners of the base are connected with legs.
6. The mud pump piston assembly quick disconnect device of claim 1, wherein the base is fixedly connected with the support plate by bolts.
7. The mud pump piston assembly quick release mechanism of claim 1, wherein the gland has extensions on each side, the extensions extending beyond the support base, and a gap being provided between the sides of the extensions and the sides of the support base.
8. The mud pump piston assembly quick release device of claim 1, wherein flexible pads are attached to the arcuate notches I, II and the inner wall of the bayonet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121675113.3U CN214887669U (en) | 2021-07-22 | 2021-07-22 | Quick dismounting device of slush pump piston assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121675113.3U CN214887669U (en) | 2021-07-22 | 2021-07-22 | Quick dismounting device of slush pump piston assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214887669U true CN214887669U (en) | 2021-11-26 |
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ID=78909417
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121675113.3U Active CN214887669U (en) | 2021-07-22 | 2021-07-22 | Quick dismounting device of slush pump piston assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214887669U (en) |
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2021
- 2021-07-22 CN CN202121675113.3U patent/CN214887669U/en active Active
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