CN220909620U - U-shaped clamping device for polished rod of pumping unit - Google Patents

U-shaped clamping device for polished rod of pumping unit Download PDF

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Publication number
CN220909620U
CN220909620U CN202322950855.8U CN202322950855U CN220909620U CN 220909620 U CN220909620 U CN 220909620U CN 202322950855 U CN202322950855 U CN 202322950855U CN 220909620 U CN220909620 U CN 220909620U
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CN
China
Prior art keywords
clamping
block
shaped
groove
pumping unit
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CN202322950855.8U
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Chinese (zh)
Inventor
李海军
栾海军
陈其亮
田东
朱星源
刘跃云
费红卫
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Petrochina Co Ltd
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Petrochina Co Ltd
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Abstract

The utility model relates to the technical field of well operation, in particular to a polished rod U-shaped clamping device of an oil pumping unit, which comprises a U-shaped clamping body and a clamping assembly, wherein the U-shaped clamping body is provided with a clamping cavity with an opening to the right, the right part of the clamping cavity is provided with the clamping assembly, the clamping assembly comprises a mounting block, a push rod, a tightening block, an adjusting nut and a supporting seat, the mounting block is arranged on the inner side of the right part of the U-shaped clamping body in a limiting manner, the middle part of the mounting block is provided with a left through mounting hole and a right through mounting hole, and the push rod is arranged in the mounting hole. The utility model has reasonable and compact structure and convenient use, and the ejector rod moves leftwards by screwing the adjusting nut, so that the polish rod is clamped under the combined action of the inner side of the left end of the clamping cavity and the inner side of the jacking block; the ejector rod moves rightwards by unscrewing the adjusting nut, so that the clamping on the outer wall of the polish rod is rapidly removed; through setting up the tight piece in top of arc shape, increase and polished rod outer wall's area of contact has stable, reliable and efficient characteristics.

Description

U-shaped clamping device for polished rod of pumping unit
Technical Field
The utility model relates to the technical field of well operation, in particular to a polished rod U-shaped clamping device of an oil pumping unit.
Background
In the thick oil production, a mechanical oil extraction mode is generally adopted, namely an oil rod column is put into a well, and lifting of oil is realized by driving an underground oil pump to reciprocate. The polish rod clamp is used for fixing the position of the polish rod to fix the underground pipe column at a preset position. In production management, can regularly to the pumping well to transfer working such as anti-shock distance, bump the pump, all need to dismantle the polish rod checkpost, on the scene is the polish rod checkpost of two half forms commonly used, need operate the polish rod checkpost with operating personnel both hands grasp during the use, the position of general grasp just is the fixing bolt department of polish rod checkpost or the relative dismouting work of hand held polish rod checkpost bottom, and the operation is inconvenient, can appear simultaneously that the hand is pressed in polish rod checkpost bottom and is caused the risk of injury.
Disclosure of Invention
The utility model provides a U-shaped clamping device for a polish rod of an oil pumping unit, which overcomes the defects in the prior art and can effectively solve the problem of complex operation of the conventional polish rod clamp.
The technical scheme of the utility model is realized by the following measures: the utility model provides a beam-pumping unit polished rod U-shaped clamping device includes U-shaped card body and clamping assembly, the U-shaped card body is equipped with the clamp chamber that the opening was rightward, clamp chamber right part is equipped with clamping assembly, clamping assembly includes the installation piece, the ejector pin, tight piece in top, adjusting nut and supporting seat, the installation piece is installed to the inboard spacing of U-shaped card body right part, the installation piece middle part is equipped with about link up the mounting hole, be equipped with the ejector pin in the mounting hole, ejector pin left end fixed mounting has the tight piece in top that is located the installation piece left, the tight piece in top is the arc of opening left, the ejector pin right part has the adjusting nut that is located the installation piece right side through screw thread fixed mounting, the installation piece right side fixed mounting who corresponds adjusting nut left part downside position has the supporting seat, adjusting nut left part downside is in the supporting seat.
The following are further optimizations and/or improvements to the above-described inventive solution:
The front limiting groove is L-shaped, the opening of the front limiting groove is upward and can be communicated with the clamping cavity, the front limiting groove comprises a front transverse groove and a front vertical groove, the right end of the front transverse groove is communicated with the front end of the front vertical groove, the inner side of the rear part of the U-shaped clamp body corresponding to the mounting block is provided with a rear limiting groove, the rear limiting groove is L-shaped, the opening of the rear limiting groove is upward and can be communicated with the clamping cavity, the rear limiting groove comprises a rear transverse groove and a rear vertical groove, and the right end of the rear transverse groove is communicated with the rear end of the rear vertical groove; the front side of the mounting block is fixedly provided with a front limiting wing plate positioned in the front limiting groove, and the rear side of the mounting block is fixedly provided with a rear limiting wing plate positioned in the rear limiting groove.
The adjusting nut can comprise a first annular part, a second annular part and a hexagonal part which are sequentially arranged from left to right, wherein the outer diameter of the first annular part is larger than that of the second annular part; the supporting seat is in a semicircular shape with an upward opening, a first arc-shaped groove matched with the first circular ring part is formed in the inner side of the left end of the supporting seat, and a second arc-shaped groove matched with the second circular ring part is formed in the inner side of the right end of the supporting seat.
The clamping block is arranged at the left end of the clamping cavity and is a semicircular arc plate with an opening to the right.
Preferably, the outer side of the tightening block and the outer side of the clamping block are both coated with a fluororubber layer.
As another preferable mode, the jacking block and the clamping block can comprise steel plates, an adhesive heat insulation layer and friction blocks which are sequentially arranged from outside to inside.
The utility model has reasonable and compact structure and convenient use, and the ejector rod moves leftwards by screwing the adjusting nut, so that the polish rod is clamped under the combined action of the inner side of the left end of the clamping cavity and the inner side of the jacking block; the ejector rod moves rightwards by unscrewing the adjusting nut, so that the clamping on the outer wall of the polish rod is rapidly removed; through setting up the tight piece in top of arc shape, increase and polished rod outer wall's area of contact has stable, reliable and efficient characteristics.
Drawings
Fig. 1 is a schematic top view of examples 1 to 6.
Fig. 2 is a schematic perspective view of fig. 1.
Fig. 3 is a schematic perspective view of the U-shaped card body in fig. 1.
Fig. 4 is a schematic perspective view of the mounting block and the support base in fig. 1.
Fig. 5 is a schematic perspective view of the ejector rod and the ejector block in fig. 1.
The codes in the drawings are respectively: the clamping device comprises a U-shaped clamp body 1, a clamping cavity 2, a mounting block 3, a push rod 4, a jacking block 5, an adjusting nut 6, a supporting seat 7, a front limiting wing plate 8, a rear limiting wing plate 9, a front transverse groove 10, a front vertical groove 11, a rear transverse groove 12, a rear vertical groove 13, a first arc-shaped groove 14, a second arc-shaped groove 15 and a clamping block 16.
Detailed Description
The present utility model is not limited by the following examples, and specific embodiments can be determined according to the technical scheme and practical situations of the present utility model.
In the present utility model, for convenience of description, the description of the relative positional relationship of each component is described according to the layout manner of fig. 1 of the specification, for example: the positional relationship of the front, rear, upper, lower, left, right, etc. is determined in accordance with the layout direction of the drawings of the specification.
The utility model is further described below with reference to examples and figures:
Example 1: as shown in fig. 1, 2, 3, 4 and 5, this polished rod U-shaped clamping device of beam-pumping unit includes U-shaped card body 1 and clamping assembly, U-shaped card body 1 is equipped with opening clamping chamber 2 to the right, clamping chamber 2 right part is equipped with clamping assembly, clamping assembly includes installation piece 3, ejector pin 4, top tight piece 5, adjusting nut 6 and supporting seat 7, installation piece 3 is installed to the inboard spacing of U-shaped card body 1 right part, installation piece 3 middle part is equipped with controlling through-hole, be equipped with ejector pin 4 in the mounting hole, ejector pin 4 left end fixed mounting has top tight piece 5 that is located installation piece 3 left, top tight piece 5 is the arc of opening left, ejector pin 4 right part is through screw thread fixed mounting has adjusting nut 6 that is located installation piece 3 right side, installation piece 3 right side fixed mounting that corresponds adjusting nut 6 left side downside position has supporting seat 7, adjusting nut 6 left side downside seats in supporting seat 7. During the use process, the polish rod is arranged into the clamping cavity 2 from the right side of the U-shaped clamp body 1, and then the mounting block 3 is arranged on the inner side of the right part of the U-shaped clamp body 1 in a limiting manner; the U-shaped clamp body 1 with the right opening is arranged, so that the clamp body can be conveniently and quickly arranged on the outer side of the polish rod; the adjusting nut 6 is screwed, so that the ejector rod 4 moves leftwards, and the corresponding position on the outer side of the polish rod is clamped under the combined action of the inner side of the left end of the clamping cavity 2 and the inner side of the jacking block 5; the ejector rod 4 moves rightwards by unscrewing the adjusting nut 6, so that the clamping on the outer wall of the polish rod is rapidly removed; by arranging the arc-shaped jacking block 5, the contact area between the arc-shaped jacking block and the outer wall of the polish rod is increased, so that the overall stability is improved; the utility model is not only convenient for the staff to disassemble and assemble the U-shaped clamp body 1 and the clamping assembly, but also is convenient for the staff to grasp the polish rod clamp effectively, and can fix the polish rod firmly and rapidly, thereby reducing the labor intensity, improving the labor efficiency and reducing the injury to the staff in the operation process.
The polished rod U-shaped clamping device of the pumping unit can be further optimized or/and improved according to actual needs:
Example 2: as shown in fig. 1, 2, 3, 4 and 5, the front clamping device further comprises a front limiting wing plate 8 and a rear limiting wing plate 9, wherein a front limiting groove is formed in the inner side of the front part of the U-shaped clamping body 1 corresponding to the position of the mounting block 3, the front limiting groove is in an L shape with an upward opening and can be communicated with the clamping cavity 2, the front limiting groove comprises a front transverse groove 10 and a front vertical groove 11, the right end of the front transverse groove 10 is communicated with the front end of the front vertical groove 11, a rear limiting groove is formed in the inner side of the rear part of the U-shaped clamping body 1 corresponding to the position of the mounting block 3, the rear limiting groove is in an L shape with an upward opening and can be communicated with the clamping cavity 2, the rear limiting groove comprises a rear transverse groove 12 and a rear vertical groove 13, and the right end of the rear transverse groove 12 is communicated with the rear end of the rear vertical groove 13; the front side of the mounting block 3 is fixedly provided with a front limiting wing plate 8 positioned in the front limiting groove, and the rear side of the mounting block 3 is fixedly provided with a rear limiting wing plate 9 positioned in the rear limiting groove. In the use process, the front limit wing plate 8 and the rear limit wing plate 9 with L-shaped structures are arranged, so that the mounting block 3 is convenient to be mounted on the inner side of the right part of the U-shaped clamp body 1 in a limiting manner; through setting up ascending preceding spacing groove of opening and back spacing groove, avoid installing piece 3 to drop from U-shaped card body 1 downside. According to the demand, preceding spacing pterygoid lamina 8 and back spacing pterygoid lamina 9 all set up with the installation piece 3 an organic whole.
Example 3: as shown in fig. 1, 2, 3, 4 and 5, the adjusting nut 6 comprises a first annular part, a second annular part and a hexagonal part which are sequentially arranged from left to right, wherein the outer diameter of the first annular part is larger than that of the second annular part; the supporting seat 7 is in a semicircular shape with an upward opening, a first arc-shaped groove 14 matched with the first circular ring part is formed in the inner side of the left end of the supporting seat 7, and a second arc-shaped groove 15 matched with the second circular ring part is formed in the inner side of the right end of the supporting seat 7. In use, by such an arrangement, the adjustment nut 6 is supported while the rotation of the adjustment nut 6 is not affected.
Example 4: as shown in fig. 1, 2, 3, 4 and 5, the clamping device further comprises a clamping block 16, the left end of the clamping cavity 2 is provided with the clamping block 16, and the clamping block 16 is a semicircular arc plate with an opening to the right. In the use, through setting up the clamp block 16 of semicircle shape, increase the area of contact with the polished rod outer wall to promote holistic stability.
Example 5: as shown in fig. 1, 2, 3, 4 and 5, the outer side of the jacking block 5 and the outer side of the clamping block 16 are coated with fluororubber layers. In the use, through this setting, increase polished rod and the friction between tight piece 5 of top and the tight piece 16 of clamp to promote holistic stability.
Example 6: as shown in fig. 1, 2, 3, 4 and 5, the tightening block 5 and the clamping block 16 each comprise a steel plate, an adhesive heat insulation layer and a friction block which are sequentially arranged from outside to inside. In the use, through this setting, increase polished rod and the friction between tight piece 5 of top and the tight piece 16 of clamp to promote holistic stability. The tightening block 5 and the clamping block 16 are of a known brake pad structure, and the friction blocks can be resin-based brake materials, powder metallurgy brake materials, carbon/carbon composite brake materials, ceramic-based brake materials and the like.
The technical characteristics form the embodiment of the utility model, have stronger adaptability and implementation effect, and can increase or decrease unnecessary technical characteristics according to actual needs so as to meet the requirements of different situations.

Claims (9)

1. The utility model provides a beam-pumping unit polished rod U-shaped clamping device, a serial communication port includes U-shaped card body and clamping assembly, U-shaped card body is equipped with the opening and presss from both sides tight chamber to the right, press from both sides tight chamber right part and be equipped with clamping assembly, clamping assembly includes the installation piece, the ejector pin, tight piece in top, adjusting nut and supporting seat, the installation piece is installed to the inboard spacing of U-shaped card body right part, the installation piece middle part is equipped with controlling the through-hole, be equipped with the ejector pin in the mounting hole, ejector pin left end fixed mounting has the tight piece that is located the installation piece left top, tight piece in top is the arc of opening left, the ejector pin right part has the adjusting nut that is located the installation piece right side through screw thread fixed mounting, the installation piece right side fixed mounting who corresponds adjusting nut left side downside position has the supporting seat, adjusting nut left part downside is in the supporting seat.
2. The polished rod U-shaped clamping device of the pumping unit according to claim 1, further comprising a front limit wing plate and a rear limit wing plate, wherein a front limit groove is formed in the inner side of the front part of the U-shaped clamping body corresponding to the mounting block position, the front limit groove is in an L shape which is upward in opening and can be communicated with the clamping cavity, the front limit groove comprises a front transverse groove and a front vertical groove, the right end of the front transverse groove is communicated with the front end of the front vertical groove, a rear limit groove is formed in the inner side of the rear part of the U-shaped clamping body corresponding to the mounting block position, the rear limit groove is in an L shape which is upward in opening and can be communicated with the clamping cavity, the rear limit groove comprises a rear transverse groove and a rear vertical groove, and the right end of the rear transverse groove is communicated with the rear end of the rear vertical groove; the front side of the mounting block is fixedly provided with a front limiting wing plate positioned in the front limiting groove, and the rear side of the mounting block is fixedly provided with a rear limiting wing plate positioned in the rear limiting groove.
3. The polished rod U-shaped clamping device of the pumping unit according to claim 1 or 2, wherein the adjusting nut comprises a first annular part, a second annular part and a hexagonal part which are sequentially arranged from left to right, and the outer diameter of the first annular part is larger than that of the second annular part; the supporting seat is in a semicircular shape with an upward opening, a first arc-shaped groove matched with the first circular ring part is formed in the inner side of the left end of the supporting seat, and a second arc-shaped groove matched with the second circular ring part is formed in the inner side of the right end of the supporting seat.
4. The polished rod U-shaped clamping device of the pumping unit according to claim 1 or 2, further comprising a clamping block, wherein the left end of the clamping cavity is provided with the clamping block, and the clamping block is a semicircular arc plate with an opening to the right.
5. The polished rod U-shaped clamping device of the pumping unit according to claim 3, further comprising a clamping block, wherein the left end of the clamping cavity is provided with the clamping block, and the clamping block is a semicircular arc plate with an opening to the right.
6. The polished rod U-shaped clamping device of the pumping unit according to claim 4, wherein the outer side of the jacking block and the outer side of the clamping block are coated with a fluororubber layer.
7. The pumping unit polish rod U-shaped clamping device according to claim 5, wherein the outer side of the propping block and the outer side of the clamping block are coated with a fluororubber layer.
8. The polished rod U-shaped clamping device of the pumping unit according to claim 4, wherein the jacking block and the clamping block comprise steel plates, an adhesive heat insulation layer and friction blocks which are sequentially arranged from outside to inside.
9. The polished rod U-shaped clamping device of the pumping unit according to claim 5, wherein the jacking block and the clamping block comprise steel plates, an adhesive heat insulation layer and friction blocks which are sequentially arranged from outside to inside.
CN202322950855.8U 2023-11-01 2023-11-01 U-shaped clamping device for polished rod of pumping unit Active CN220909620U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202322950855.8U CN220909620U (en) 2023-11-01 2023-11-01 U-shaped clamping device for polished rod of pumping unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202322950855.8U CN220909620U (en) 2023-11-01 2023-11-01 U-shaped clamping device for polished rod of pumping unit

Publications (1)

Publication Number Publication Date
CN220909620U true CN220909620U (en) 2024-05-07

Family

ID=90907505

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202322950855.8U Active CN220909620U (en) 2023-11-01 2023-11-01 U-shaped clamping device for polished rod of pumping unit

Country Status (1)

Country Link
CN (1) CN220909620U (en)

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