CN209868455U - Mud pump valve puller - Google Patents
Mud pump valve puller Download PDFInfo
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- CN209868455U CN209868455U CN201920316159.2U CN201920316159U CN209868455U CN 209868455 U CN209868455 U CN 209868455U CN 201920316159 U CN201920316159 U CN 201920316159U CN 209868455 U CN209868455 U CN 209868455U
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Abstract
The utility model discloses a slush pump valve puller mainly comprises pull rod, sleeve, pull head and locating piece, pull rod head end be connected with the pull head, the end-to-end connection has the locating piece, pull head and locating piece between be equipped with the sleeve on the pull rod, pull head be equipped with 3, the equipartition is on the pull rod, the pull rod can carry out the corotation and reverse for the sleeve, the pull rod passes through the gear and drives the pull head and shrink or open the motion. The utility model has the advantages of simple structure, reliability and convenient operation, and greatly improves the efficiency of disassembling the mud pump valve.
Description
Technical Field
The utility model relates to a extracting tool, in particular to slush pump valve draws ware.
Background
The mud pump works under the working conditions of large load, high pump impact and high pump pressure for a long time, and when the drilling fluid contains more sand or solid phase, the piston and the cylinder sleeve, and the valve body and the valve seat can be fatigued and abraded. Thus, the valve body and valve seat are vulnerable parts on the mud pump. The valve is in a conical structure, the extrusion force between the valve body and the valve seat is continuously increased under the continuous extrusion of high-pressure slurry, and when the valve body needs to be replaced, a special tool is needed for dismounting. Common instrument is the puller of front end area rotating head, when the puller gets into the valve body, rotates the rotating head 90, gets into behind the valve seat, rotates 90 again to guarantee to draw the head and contact with the valve body cross section, then utilize the pneumatic cylinder or strike the screw thread mode and demolish the valve body. However, the internal space of the valve body is narrow, the rotation of the pulling head is very limited, the problem is usually solved by shaking or threading an iron wire, the efficiency is low, meanwhile, the size of the pulling head is limited due to the small opening of the valve body, so that the contact area between the pulling head and the cross section of the valve body is very small, the pulling force applied to the unit area is very large, and the pulling head is also the most common vulnerable part of the traditional pulling device.
Disclosure of Invention
In order to solve the deficiencies in the prior art, the utility model provides a slush pump valve puller has simple structure, reliable, and convenient operation has promoted the efficiency that slush pump valve dismantled greatly.
The utility model adopts the following technical scheme:
the utility model provides a slush pump valve puller mainly comprises pull rod, sleeve, pull head and locating piece, the pull rod head end be connected with the pull head, the end connection has the locating piece, pull head and locating piece between be equipped with the sleeve, the pull head be equipped with 3, the equipartition is on the pull rod, the pull rod can be in the same direction as changeing and reversing for the sleeve, the pull rod passes through the gear and drives the pull head and contract or open the motion.
The utility model discloses a draw-bar drawing device, including draw-bar drawing device main part, draw-head briquetting, spacing bolt, strike bolt and gear, draw-bar drawing device main part be solid steel cylinder, its prelude passes through screw thread and draw-head briquetting centre hole connection, there is spacing bolt through threaded connection on the draw-bar drawing device in the draw-head drawing device briquetting outside, the draw-bar drawing device main part of draw-head briquetting inboard set firmly the gear, the draw-head briquetting be the steel ring, evenly be equipped with 3 perpendicular little round holes in its circumference, the aperture of little round hole is identical with the spacing axle of draw-head, spacing axle inserts in the little round hole, the afterbody of draw-bar drawing device main part have the bolt of striking through threaded connection, strike the bolt and be equipped with and strike the.
The drawing rod main body on the inner side of the knocking bolt is provided with a positioning block, the positioning block is in threaded connection with the drawing rod main body through a center hole, the contact surface of the positioning block and the knocking bolt is of an arc-shaped steel structure, and the other surface of the positioning block is a plane.
The sleeve include sleeve body, sleeve ring flange, gusset and connecting bolt, the sleeve body be the steel pipe, sleeve body one end welding has connecting bolt, through connecting bolt with this body coupling extension of sleeve, the sleeve ring flange be the steel ring, set up the upper end at the sleeve body, its bottom side equipartition is equipped with three gusset and is connected with the sleeve body, the central round hole diameter of sleeve ring flange slightly is greater than the main part diameter of drawing rod, the equipartition has 3 through-holes in the circumference of sleeve ring flange for install rather than corresponding drawing head axis of rotation, the sleeve body is close to the position of sleeve ring flange, 3 dismounting holes of equipartition, dismounting hole is corresponding with the circumference through-hole of sleeve ring flange.
The drawing head comprises a drawing arc, a rotating gear, a rotating shaft, a drawing head limiting bolt and a drawing head limiting shaft, wherein the drawing arc, the rotating gear and the drawing head limiting bolt are sequentially installed in the rotating shaft from top to bottom, the upper side of the drawing arc is provided with the limiting shaft, the drawing arc is in an arc ring shape, the rotating gear is fixedly connected to the bottom side of the drawing arc, the rotating gear is meshed with a gear on the drawing rod main body, the drawing arc and the rotating gear are installed in a circumferential through hole of a sleeve flange plate through the rotating shaft of the bottom side and are fixed through the drawing head limiting bolt, the drawing head limiting shaft is installed in a circumferential small circular hole of a drawing head pressing block, and the rotating gear drives the drawing arc to open and contract through the gear.
The utility model has the advantages that:
through the relative rotation of the drawing rod and the sleeve, the gear at the head of the drawing rod can drive the drawing arc in the drawing head to be opened and contracted, and the drawing device has the advantages of simple and reliable structure, convenience in operation and the like.
When carrying out the forward rotation with pull rod and sleeve, in the shrink messenger pull head through drawing the arc reduces the volume in order to be fit for inserting the through-hole of valve, the pull head that inserts in the valve through-hole can open through pull rod and telescopic reverse rotation again and draw the arc, and the arc of drawing of opening constantly expands and opens to reach and will draw on the valve terminal surface of arc block in the valve through-hole, improved the efficiency of dismantling work to the valve greatly.
The knocking bolt is knocked by the hammer to enable the drawing rod main body to generate axial tension, and the drawing rod main body drives the drawing head to rotate, so that the valve is disassembled, and the operation is quick, convenient, safe, reliable and the like.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the drawing rod of the present invention;
fig. 3 is a schematic structural view of the front side of the sleeve of the present invention;
FIG. 4 is a schematic side view of the sleeve according to the present invention;
fig. 5 is a top view of the sleeve of the present invention;
FIG. 6 is a schematic view of a drawing head structure according to the present invention;
FIG. 7 is a drawing arc structure diagram of the present invention;
fig. 8 is a side view of the positioning block of the present invention;
fig. 9 is a top view of the positioning block of the present invention;
fig. 10 is a schematic view of a contraction structure of the drawing head of the present invention;
fig. 11 is a schematic view of an opening structure of the drawing head of the present invention.
In the figure: the drawing rod 1, the drawing rod main body 11, the drawing head pressing block 12, the limiting bolt 13, the knocking bolt 14, the gear 15, the small circular hole 16, the sleeve 2, the sleeve body 21, the sleeve flange 22, the rib plate 23, the connecting bolt 24, the dismounting hole 25, the through hole 26, the drawing head 3, the drawing arc 31, the rotating gear 32, the rotating shaft 33, the drawing head limiting bolt 34, the drawing head limiting shaft 35 and the positioning block 4.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1 to 11, a slush pump valve puller mainly comprises pull rod 1, sleeve 2, pull head 3 and locating piece 4, pull rod 1 head end be connected with pull head 3, end connection has locating piece 4, pull rod 1 between head 3 and the locating piece 4 on be equipped with sleeve 2, pull head 3 be equipped with 3, the equipartition is on pull rod 1, pull rod 1 can rotate in the same direction and reverse for sleeve 2, pull rod 1 drives pull head 3 through gear 15 and contracts or open the motion.
As shown in fig. 1 and 2, the draw bar 1 comprises a draw bar main body 11, a draw head pressing block 12, a limit bolt 13, a knocking bolt 14 and a gear 15, the draw bar main body 11 is a solid steel cylinder, the head of the draw bar main body is connected with the middle hole of the draw head pressing block 12 through a thread, the draw bar 1 outside the draw head pressing block 12 is connected with the limit bolt 13 through a thread, the limit bolt 13 is used for fixing the position of the draw head pressing block 12 on the draw bar main body 11, the draw bar main body 11 inside the draw head pressing block 12 is fixedly provided with the gear 15, the draw head pressing block 12 is a steel ring, the circumference of the draw bar main body is uniformly provided with 3 vertical small round holes 16, the aperture of each small round hole 16 is matched with a draw head limit shaft 35, the limit shaft 35 is inserted into the small round hole 16, the small round hole 16 is used for limiting the limit shaft 35, the tail of the draw bar main body 11 is connected with, the knocking bolt 14 is provided with a knocking head, and the axial pulling force is generated on the drawing rod main body 11 by knocking the knocking head of the knocking bolt 14 with a hammer, thereby realizing the valve disassembly.
As shown in fig. 8 and 9, a positioning block 4 is arranged on the drawing rod main body 11 on the inner side of the knocking bolt 14, the positioning block 4 is in threaded connection with the drawing rod main body 11 through a central hole, the contact surface of the positioning block 4 and the knocking bolt 14 is of an arc-shaped steel structure, the other surface of the positioning block 4 is a plane, the diameter of the plane is slightly smaller than that of the valve seat, and the plane is used for fixing and bearing the axial force of the knocking bolt 14.
As shown in fig. 3, 4 and 5, the sleeve 2 includes a sleeve body 21, a sleeve flange 22, rib plates 23 and connecting bolts 24, the sleeve body 21 is a steel pipe, the connecting bolts 24 are welded at one end of the sleeve body 21, the sleeve body 21 is connected and lengthened through the connecting bolts 24 to be suitable for the valve position to be disassembled, the sleeve flange 22 is a steel ring and is arranged at the upper end of the sleeve body 21, three rib plates 23 are uniformly distributed at the bottom side of the sleeve body 21 to be connected with the sleeve body 21 to increase the stress intensity of the sleeve flange 22, the diameter of the central circular hole of the sleeve flange 22 is slightly larger than that of the draw bar main body 11, 3 through holes 26 are uniformly distributed in the circumferential direction of the sleeve flange 22 for installing the corresponding draw head rotating shaft 33, 3 disassembling holes 25 are uniformly distributed at the position of the sleeve body 21 close to the sleeve flange 22, the disassembling holes 25 correspond to the circumferential through holes 26 of the sleeve flange 22, to facilitate the removal and installation of the pull head restraint bolts 34.
As shown in fig. 6, 7, 10 and 11, the drawing head 3 includes a drawing arc 31, a rotary gear 32, a rotary shaft 33, a drawing head stopper bolt 34 and a drawing head stopper shaft 35, the drawing arc 31, the rotating gear 32 and the drawing head limiting bolt 34 are sequentially arranged on the rotating shaft 33 from top to bottom, the upper side of the drawing arc 31 is provided with a limiting shaft 35, the drawing arc 31 is in an arc ring shape, the rotating gear 32 is fixedly connected at the bottom side of the drawing arc 31, the rotating gear 32 is meshed with the gear 15 on the drawing rod main body 11, the drawing arc 31 and the rotating gear 32 are arranged in the circumferential through hole 26 of the sleeve flange plate 22 through a rotating shaft 33 at the bottom side, and is fixed by a drawing head limiting bolt 34, a drawing head limiting shaft 35 is arranged in the small circumferential round hole 16 of the drawing head pressing block 12, the gear 15 drives the rotating gear 32, and the rotating gear 32 drives the drawing arc 31 to open and contract.
The working principle is as follows: when the slurry pump valve is disassembled, firstly, one hand holds the sleeve body 21, the other hand holds the tail end of the drawing rod body 11 to rotate in the forward direction, the rotating gear 32 drives the drawing arc 31 to rotate and retract under the driving of the gear 15 of the drawing rod body 11, then, the drawn head 3 after contraction is inserted into the through hole of the valve, after 3 drawing arcs 31 penetrate through the end face of the valve, one hand holds the sleeve body 21, the other hand holds the tail end of the drawing rod body 11 to rotate in the reverse direction, under the reverse driving of the gear 15 of the drawing rod body 11, the rotating gear 32 drives 3 drawing arcs 31 to open simultaneously through the rotating shaft 33, the drawing arcs 31 are clamped on the end face of the valve in the through hole of the valve, then, the head of the positioning block 4 is fixed at the opening of the end part of the hydraulic valve of the slurry pump, the knocking bolt 14 is fastened, the 3 drawing arcs 31 are in full contact with the end face, and finally, the knocking head of the knocking bolt, the pulling rod body 11 is promoted to generate axial tension, so that the valve dismounting work is realized.
The present invention has been described in detail with reference to the accompanying drawings, which are incorporated herein by reference, and the like, and it is to be understood that the invention is not limited to the precise forms disclosed, and that various modifications and changes may be made by those skilled in the art without departing from the spirit and scope of the invention.
Claims (5)
1. The utility model provides a slush pump valve puller which characterized in that: mainly constitute by pull rod (1), sleeve (2), drawing head (3) and locating piece (4), pull rod (1) head end be connected with pull head (3), end-to-end connection has locating piece (4), pull rod (3) and locating piece (4) between pull rod (1) on be equipped with sleeve (2), pull head (3) be equipped with 3, the equipartition is on pull rod (1), pull rod (1) can be in the same direction as changeing and reversing for sleeve (2), pull rod (1) drives pull head (3) through gear (15) and contracts or open the motion.
2. The mud pump valve puller of claim 1, wherein: the drawing rod (1) comprises a drawing rod main body (11), a drawing head pressing block (12), a limiting bolt (13), a knocking bolt (14) and a gear (15), wherein the drawing rod main body (11) is a solid steel cylinder, the head of the drawing rod main body is connected with the middle hole of the drawing head pressing block (12) through threads, the drawing rod (1) outside the drawing head pressing block (12) is connected with the limiting bolt (13) through threads, the gear (15) is fixedly arranged on the drawing rod main body (11) inside the drawing head pressing block (12), the drawing head pressing block (12) is a steel ring, 3 vertical small round holes (16) are uniformly arranged in the circumferential direction of the drawing rod main body, the aperture of each small round hole (16) is matched with the corresponding drawing head limiting shaft (35), the limiting shaft (35) is inserted into each small round hole (16), the tail of the drawing rod main body (11) is connected with the knocking bolt (14) through threads, the knocking bolt (14) is provided with a knocking head.
3. The mud pump valve puller of claim 2, wherein: strike pull rod main part (11) of bolt (14) inboard on be equipped with locating piece (4), locating piece (4) through the centre bore with pull rod main part (11) on threaded connection, locating piece (4) and the contact surface who strikes bolt (14) be curved steel structure, the another side is the plane.
4. A mud pump valve puller as set forth in claim 3, wherein: the sleeve (2) comprises a sleeve body (21), a sleeve flange (22), rib plates (23) and connecting bolts (24), wherein the sleeve body (21) is a steel pipe, the connecting bolts (24) are welded at one end of the sleeve body (21), the sleeve body (21) is connected and lengthened through the connecting bolts (24), the sleeve flange (22) is a steel ring and is arranged at the upper end part of the sleeve body (21), three rib plates (23) are uniformly distributed at the bottom side of the sleeve body and are connected with the sleeve body (21), the diameter of a central circular hole of the sleeve flange (22) is slightly larger than that of the drawing rod main body (11), 3 through holes (26) are uniformly distributed in the circumferential direction of the sleeve flange (22) and are used for mounting a drawing head rotating shaft (33) corresponding to the sleeve body, 3 dismounting holes (25) are uniformly distributed at the position of the sleeve body (21) close to the sleeve flange (22), the dismounting holes (25) correspond to the circumferential through holes (26) of the sleeve flange plate (22).
5. The mud pump valve puller of claim 4, wherein: the drawing head (3) comprises a drawing arc (31), a rotating gear (32), a rotating shaft (33), a drawing head limiting bolt (34) and a drawing head limiting shaft (35), the drawing arc (31), the rotating gear (32) and the drawing head limiting bolt (34) are sequentially installed on the rotating shaft (33) from top to bottom, the limiting shaft (35) is arranged on the upper side of the drawing arc (31), the drawing arc (31) is arc-shaped and annular, the rotating gear (32) is fixedly connected to the bottom side of the drawing arc (31), the rotating gear (32) is meshed with a gear (15) on the drawing rod main body (11), the drawing arc (31) and the rotating gear (32) are installed in a circumferential through hole (26) of the sleeve flange plate (22) through the rotating shaft (33) on the bottom side and are fixed by the drawing head limiting bolt (34), the drawing head limiting shaft (35) is installed in a circumferential small round hole (16) of the drawing head pressing block (12), the gear (15) drives the rotating gear (32), and the rotating gear (32) drives the drawing arc (31) to open and contract.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920316159.2U CN209868455U (en) | 2019-03-13 | 2019-03-13 | Mud pump valve puller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920316159.2U CN209868455U (en) | 2019-03-13 | 2019-03-13 | Mud pump valve puller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209868455U true CN209868455U (en) | 2019-12-31 |
Family
ID=68954767
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920316159.2U Active CN209868455U (en) | 2019-03-13 | 2019-03-13 | Mud pump valve puller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209868455U (en) |
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2019
- 2019-03-13 CN CN201920316159.2U patent/CN209868455U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230515 Address after: 100027, No. 6, east side street, Dongcheng District, Beijing Patentee after: CNOOC ENERGY TECHNOLOGY & SERVICES Ltd. Patentee after: CNOOC ENERGY DEVELOPMENT EQUIPMENT TECHNOLOGY Co.,Ltd. Address before: 100027, No. 6, east side street, Dongcheng District, Beijing Patentee before: CNOOC ENERGY TECHNOLOGY & SERVICES Ltd. Patentee before: ZHANJIANG NANHAI WEST OIL SURVEY & DESIGN Co.,Ltd. |
|
| TR01 | Transfer of patent right |