CN212803098U

CN212803098U - Polished rod clamping and supporting device for petroleum engineering

Info

Publication number: CN212803098U
Application number: CN202021881819.0U
Authority: CN
Inventors: 董凯; 冯勋骄; 张健; 王丽; 徐鹏晔; 修晓伟; 何畅; 台倩; 孟书翠; 宋丽
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-09-02
Filing date: 2020-09-02
Publication date: 2021-03-26
Anticipated expiration: 2030-09-02

Abstract

The utility model discloses a polished rod card holds in palm device for oil engineering, including polished rod and the fixing base of fixed mounting on the base, set up a mounting groove one and two spout one on the fixing base, and two spout one all are linked together with mounting groove one, a first is installed to the mounting groove internal rotation, a spiral shell axle one is installed to spout internal rotation, all install transmission structure one between axle one and two spiral shell axles one, install two clamping structure between fixing base and the polished rod, set up mounting groove two on the fixing base, and two internal rotations in mounting groove install spiral shell axle two and axle two, and the thread line at two ends of spiral shell axle is to opposite. Has the advantages that: the utility model discloses the upper and lower position of adjustable polished rod, two arc pieces of being convenient for are better carry out the centre gripping to the polished rod fixed, and this device can carry out diversified centre gripping to the polished rod simultaneously and fix, has strengthened fixed effect, can prevent to a certain extent that the pole can take place to rock in the use.

Description

Polished rod clamping and supporting device for petroleum engineering

Technical Field

The utility model relates to a polished rod card holds in the palm technical field, especially relates to a polished rod card holds in palm device for oil engineering.

Background

Petroleum engineering is a general term for a series of engineering and process technologies implemented by exploiting oil and gas deeply buried underground from an oil and gas reservoir to the ground by using an economical and effective method, and in the petroleum engineering, a clamping and supporting device is often required to be used for fixedly clamping and supporting a polish rod.

The prior polished rod clamping and supporting device has the following defects in use: the existing clamping and supporting device only clamps and fixes the polished rod through the matching of the two threaded shafts, so that the fixation is not stable enough, and the polished rod can shake in the using process to influence the use of the polished rod.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the prior clamping support device is not stable enough for fixing the polished rod, and providing the polished rod clamping support device for petroleum engineering.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a polished rod clamping and supporting device for petroleum engineering comprises a polished rod and a fixed seat fixedly installed on a base, wherein a first installation groove and two first sliding grooves are formed in the fixed seat, the two first sliding grooves are communicated with the first installation groove, a first shaft is rotatably installed in the installation groove, a first screw shaft is rotatably installed in the first sliding grooves, a first transmission structure is installed between the first shaft and the two first screw shafts, two clamping structures are installed between the fixed seat and the polished rod, a second installation groove is formed in the fixed seat, a second screw shaft and a second shaft are rotatably installed in the second installation groove, the thread directions of two ends of the second screw shaft are opposite, a second transmission structure is installed between the second screw shaft and the second shaft, a supporting structure is installed on the second screw shaft, a rotating plate is rotatably installed on the fixed seat, a third screw shaft is installed on the rotating plate in a threaded manner, and two springs are fixedly installed on the lower surface, and the lower ends of the two springs II are fixedly provided with an extrusion plate together, the extrusion plate abuts against the polished rod, the lower end of the screw shaft III abuts against the extrusion plate, the fixed seat is rotatably provided with a rotating rod, and the lower surface of the rotating rod abuts against the upper surface of the rotating plate.

Preferably, the first transmission structure is composed of a first helical gear and a second helical gear, the first helical gear is fixedly mounted on the first shaft, and the second helical gear meshed with the first helical gear is fixedly mounted at the lower end of the first screw shaft.

Preferably, the clamping structure comprises an extrusion block, a slide bar, a second slide groove, an arc block and two first springs, the extrusion block is installed on the screw shaft through threads, the second slide groove is formed in the fixing seat, the slide bar is slidably installed in the second slide groove and offsets with the extrusion block, the arc block is fixedly installed at one end, away from the extrusion block, of the slide bar, the arc block offsets with the polish rod, the first springs are fixedly installed on the fixing seat, and one ends of the first springs are fixedly installed with the arc block.

Preferably, the transmission structure II comprises a third helical gear, a fourth helical gear and a first knob, the fourth helical gear is fixedly mounted at one end of the second shaft, the third helical gear meshed with the fourth helical gear is fixedly mounted at the right end of the second screw shaft, the first knob is fixedly mounted at one end of the second shaft far away from the second mounting groove, and the first knob is located outside the fixed seat.

Preferably, bearing structure comprises a piece, three and two sliders of spout, three spouts have been seted up on the fixing base, slidable mounting has two sliders on three spouts, and two sliders all with two threaded mounting of spiral shell axle, two all seted up spout four on the slider, and two spouts four go up common slidable mounting has a piece, and a piece offsets with the polished rod.

Preferably, a second knob is fixedly mounted at the upper end of the third screw shaft, and a third knob is fixedly mounted at the right end of the first shaft.

Compared with the prior art, the utility model has the advantages of:

1. the polished rod can be well fixed by matching the extrusion block, the sliding rod and the arc blocks, the two arc blocks can move towards the middle of the fixing seat simultaneously by using the transmission structure I, and the polished rod can be guaranteed to be located in the middle of the fixing seat all the time.

2. Through the cooperation use of transmission structure two, two sliders and a piece, can make the polished rod reciprocate at the middle part of fixing base, the upper and lower position of adjustable polished rod, the better the polished rod of carrying out the centre gripping fixed of two arc pieces of being convenient for.

3. Through the cooperation of a piece, stripper plate and two arc pieces use for this device can carry out diversified centre gripping to the polished rod and fix, has strengthened fixed effect, can prevent to a certain extent that the pole can take place to rock in the use.

To sum up, the utility model discloses the upper and lower position of adjustable polished rod, two arc pieces of being convenient for are better carry out the centre gripping to the polished rod fixed, and this device can carry out diversified centre gripping to the polished rod simultaneously and fix, has strengthened fixed effect, can prevent to a certain extent that the pole can take place to rock in the use.

Drawings

Fig. 1 is a schematic structural view of a polished rod clamping device for petroleum engineering according to the present invention;

fig. 2 is a schematic structural view of a portion a in fig. 1.

In the figure: the device comprises a base 1, a fixed seat 2, a supporting block 3, a first shaft 4, a first helical gear 5, a second helical gear 6, a first screw shaft 7, an extrusion block 8, a sliding rod 9, an arc block 10, a first spring, a polished rod 12, a rotating plate 13, a third screw shaft 14, a second screw shaft 15, a third helical gear 16, a fourth helical gear 17 and a sliding block 18.

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.

Referring to fig. 1-2, a polished rod clamping device for petroleum engineering comprises a polished rod 12 and a fixed seat 2 fixedly installed on a base 1, wherein the fixed seat 2 is provided with a first installation groove and a first two sliding grooves which are communicated with the first installation groove, a first shaft 4 is rotatably installed in the installation groove, a first screw shaft 7 is rotatably installed in the first sliding groove, and a first transmission structure is installed between the first shaft 4 and the first two screw shafts 7;

the above is noteworthy for the following two points:

1. the first transmission structure comprises a first helical gear 5 and a second helical gear 6, the first helical gear 5 is fixedly mounted on the first shaft 4, and the second helical gear 6 meshed with the first helical gear 5 is fixedly mounted at the lower end of the first screw shaft 7.

2. The right end of the first shaft 4 is fixedly provided with a third knob, and the third knob is arranged to better apply rotating force to the first shaft 4 by hands.

Two clamping structures are arranged between the fixed seat 2 and the polished rod 12, a second mounting groove is formed in the fixed seat 2, and a second screw shaft 15 and a second shaft are rotatably mounted in the second mounting groove;

the above is noteworthy for the following two points:

1. clamping structure is by extrusion piece 8, slide bar 9, spout two, arc piece 10 and two springs 11 are constituteed, extrusion piece 8 is installed to the screw thread on the spiral shell axle 7, spout two has been seted up on fixing base 2, slidable mounting has slide bar 9 in the spout two, and slide bar 9 offsets with extrusion piece 8, the one end fixed mounting that extrusion piece 8 was kept away from to slide bar 9 has arc piece 10, and arc piece 10 offsets with polished rod 12, fixed mounting has two springs 11 on fixing base 2, and the one end of two springs 11 all with arc piece 10 fixed mounting.

2. The purpose of the first spring 11 is to automatically contract the arc block 10 when the extrusion block 8 and the sliding rod 9 are not tightly pressed, and the taking of the polished rod 12 is not influenced.

A second transmission structure is arranged between the second screw shaft 15 and the second shaft, a support structure is arranged on the second screw shaft 15, and a rotating plate 13 is rotatably arranged on the fixed seat 2;

the following points are notable:

1. the transmission structure II consists of a third helical gear 16, a fourth helical gear 17 and a first knob, the fourth helical gear 17 is fixedly mounted at one end of the second shaft, the third helical gear 16 meshed with the fourth helical gear 17 is fixedly mounted at the right end of the second screw shaft 15, the first knob is fixedly mounted at one end, far away from the second mounting groove, of the second shaft, and the first knob is located outside the fixing seat 2.

2. The first knob is arranged to better apply rotating force to the second shaft by hands.

3. The supporting structure is composed of a supporting block 3, a third sliding groove and two sliding blocks 18, the third sliding groove is formed in the fixing base 2, the three sliding grooves are slidably mounted on the three sliding grooves and are provided with the two sliding blocks 18, the two sliding blocks 18 are mounted with the second 15 screw threads of the screw shaft, the four sliding grooves are formed in the two sliding blocks 18, the supporting block 3 is slidably mounted on the four sliding grooves together, and the supporting block 3 is abutted to the polished rod 12.

4. The thread directions of the two ends of the second screw shaft 15 are opposite; the purpose of the opposite thread directions is to enable the second screw shaft 15 to drive the two sliding blocks 18 to move in the direction of approaching or separating from each other when rotating, and to drive the support block 3 to move up and down.

A third screw shaft 14 is arranged on the rotating plate 13 in a threaded manner, two second springs are fixedly arranged on the lower surface of the rotating plate 13, the lower ends of the two second springs are fixedly provided with an extrusion plate together, the extrusion plate abuts against the polished rod 12, the lower end of the third screw shaft 14 abuts against the extrusion plate, a rotating rod is rotatably arranged on the fixed seat 2, and the lower surface of the rotating rod abuts against the upper surface of the rotating plate 13;

the following points are notable:

1. the end that extrusion piece 8 and slide bar 9 offset all sets up to the hemisphere, and the purpose that the hemisphere set up can make the middle part of slide bar 9 looks fixing base 2 remove at the in-process that extrusion piece 8 extrudeed slide bar 9, realizes the purpose of tight polished rod 12 of support.

2. The upper end of the third screw shaft 14 is fixedly provided with a second knob, and the second knob is arranged to better apply rotating force to the third screw shaft 14 by hand.

3. The rotating plate 13 is rotatably connected with the fixed seat 2 for rotating the rotating plate 13, and the placing of the polished rod 12 is not influenced.

4. All install the rubber pad on a piece 3, stripper plate and two arc pieces 10, the frictional force between can increase a piece 3, stripper plate and two arc pieces 10 and polished rod 12 of rubber pad setting, fixed polished rod 12 that can be better, and can prevent to a certain extent that polished rod 12 from taking place to rotate, can protect polished rod 12 simultaneously, prevent to scratch polished rod 12 surface at the fixed in-process of centre gripping.

5. The second spring is set to give a pulling force to the extrusion plate to prevent the extrusion plate from falling off when the extrusion plate is not tightly pressed against the polish rod 12.

The utility model discloses in, when using, rotate the bull stick, make the bull stick and commentaries on classics board 13 be in the non-and support tight state, the commentaries on classics board 13 of running away, place polished rod 12 on a piece 3, rotatory knob one, knob one rotates and can drive four 17 rotations in helical gear through two axles, four 17 rotations in helical gear can drive three 16 rotations in helical gear, three 16 rotations in helical gear can drive two 15 rotations in the spiral shaft, because the thread line at two 15 both ends in the spiral shaft is opposite, so two 15 rotations in the spiral shaft can drive two sliders 18 and be close to extrusion a piece 3 each other, thereby make a piece 3 rebound and extrude polished rod 12, drive polished rod 12 rebound simultaneously and arrive the intermediate position of two arc pieces 10.

And rotating a third knob, wherein the third knob can drive two first bevel gears 5 to rotate through a first shaft 4, the first bevel gears 5 can drive two corresponding second bevel gears 6 to rotate, the two second bevel gears 6 can drive two corresponding first screw shafts 7 to rotate, and the first screw shafts 7 can drive two corresponding extrusion blocks 8 to move upwards to extrude corresponding sliding rods 9 at the same time, so that the corresponding sliding rods 9 drive two arc blocks 10 to move towards the middle part of the fixed seat 2 and extrude a polished rod 12.

The rotating plate 13 is rotated to clamp the rotating plate 13 with the fixed seat 2, then the rotating rod is rotated to make the rotating rod abut against the rotating plate 13, so that the rotating plate 13 cannot rotate, the second knob is rotated to drive the third screw shaft 14 to rotate, and meanwhile, the third screw shaft 14 can move downwards on the rotating plate 13 to extrude the extrusion plate, so that the extrusion plate abuts against the polished rod 12.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The polished rod clamping and supporting device for the petroleum engineering comprises a polished rod (12) and a fixing seat (2) fixedly installed on a base (1), and is characterized in that a first installation groove and a first two sliding grooves are formed in the fixing seat (2), the first two sliding grooves are communicated with the first installation groove, a first shaft (4) is installed in the first installation groove in a rotating mode, a first screw shaft (7) is installed in the first sliding groove in a rotating mode, a first transmission structure is installed between the first shaft (4) and the first two screw shafts (7), two clamping structures are installed between the fixing seat (2) and the polished rod (12), a second installation groove is formed in the fixing seat (2), a second screw shaft (15) and a second shaft are installed in the second installation groove in a rotating mode, thread patterns at two ends of the second screw shaft (15) are opposite, and a second transmission structure is installed between the second screw shaft (15) and the second shaft, install bearing structure on two (15) of spiral shell axle, it installs commentaries on classics board (13) to rotate on fixing base (2), change on board (13) the screw thread and install three (14) of spiral shell axle, change board (13) lower fixed surface and install two springs two, and the common fixed mounting of lower extreme of two springs has the stripper plate, and stripper plate and polished rod (12) offset, and the lower extreme of three (14) of spiral shell axle offsets with the stripper plate, rotate on fixing base (2) and install the bull stick, and the bull stick lower surface offsets with commentaries on classics board (13) upper surface.

2. The polished rod clamping device for petroleum engineering according to claim 1, wherein the transmission structure I comprises a first bevel gear (5) and a second bevel gear (6), the first bevel gear (5) is fixedly installed on the first shaft (4), and the second bevel gear (6) meshed with the first bevel gear (5) is fixedly installed at the lower end of the first screw shaft (7).

3. The polished rod clamping and supporting device for the petroleum engineering as claimed in claim 1, wherein the clamping structure is composed of an extrusion block (8), a sliding rod (9), a sliding groove II, an arc block (10) and two springs I (11), the extrusion block (8) is installed on the screw shaft I (7) in a threaded mode, the sliding groove II is formed in the fixing seat (2), the sliding rod (9) is installed in the sliding groove II in a sliding mode, the sliding rod (9) abuts against the extrusion block (8), the arc block (10) is fixedly installed at one end, far away from the extrusion block (8), of the sliding rod (9), the arc block (10) abuts against the polished rod (12), the two springs I (11) are fixedly installed on the fixing seat (2), and one ends of the two springs I (11) are fixedly installed with the arc block (10).

4. The polished rod clamping device for the petroleum engineering according to claim 1, wherein the transmission structure II consists of a bevel gear III (16), a bevel gear IV (17) and a knob I, the bevel gear IV (17) is fixedly installed at one end of the shaft II, the bevel gear III (16) meshed with the bevel gear IV (17) is fixedly installed at the right end of the screw shaft II (15), the knob I is fixedly installed at one end, far away from the mounting groove II, of the shaft II, and the knob I is located outside the fixing seat (2).

5. The polished rod clamping and supporting device for petroleum engineering according to claim 1, wherein the supporting structure is composed of a supporting block (3), a third sliding groove and two sliding blocks (18), the fixing base (2) is provided with the third sliding groove, the three sliding grooves are provided with the two sliding blocks (18) in a sliding manner, the two sliding blocks (18) are both in threaded mounting with the second screw shaft (15), the two sliding blocks (18) are both provided with the fourth sliding groove, the supporting block (3) is jointly slidably mounted on the four sliding grooves, and the supporting block (3) abuts against the polished rod (12).

6. The polished rod clamping device for petroleum engineering according to claim 1, wherein a second knob is fixedly mounted at the upper end of the third screw shaft (14), and a third knob is fixedly mounted at the right end of the first shaft (4).