CN211598554U

CN211598554U - Polished rod rotating device of pumping well

Info

Publication number: CN211598554U
Application number: CN202020266419.2U
Authority: CN
Inventors: 魏伟; 高勇; 陈黎鹏; 田亮; 熊成武; 陈军
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-03-06
Filing date: 2020-03-06
Publication date: 2020-09-29
Anticipated expiration: 2030-03-06

Abstract

The utility model discloses an oil pumping motor-pumped well polished rod rotary device, including the rotary device body, the rotary device body includes tension spring support and weight, the top fixed mounting of weight has tension spring, tension spring support's bottom one side fixed mounting has the sleeve pipe, and sliding sleeve is equipped with the montant in the sleeve pipe, and the bottom of montant extends to the sheathed tube below, and the bottom fixed mounting of montant has two installation pieces, and one side that two installation pieces are close to each other is rotated and is installed same pivot, and fixed cover is equipped with the turning block in the pivot, the bottom of turning block and tension spring's top fixed connection, and the first through-hole that the top set up for the opening has been seted up to sheathed tube one side. The utility model relates to a rationally, convenient operation is convenient for adjust tension spring's elasticity size according to actual need, causes the phenomenon that the weight can't reset completely when avoiding using the fatigue elasticity weakness of tension spring elasticity for a long time, prolongs its life, is favorable to using.

Description

Polished rod rotating device of pumping well

Technical Field

The utility model relates to a polished rod rotary equipment technical field especially relates to a beam-pumping unit well polished rod rotary device.

Background

In the oil field development exploitation in-process, receive well head equipment installation precision, factor influences such as well depth, installation skew phenomenon can appear in pumping unit well polished rod, there is a less angle between pumping unit polished rod and the well head polished rod sealing device promptly, lead to polished rod and well head sealer not good contact, can produce the eccentric wear, so that extremely obvious slot appears on polished rod surface near the use, wearing and tearing such as deformation, lead to the well head to run water and run oil, the severe polluted environment, and make the management degree of difficulty greatly increased, through the retrieval, the authorization bulletin number: CN108756776A discloses an automatic rotation device for a polish rod of a pumping well, which comprises a box body, a transmission mechanism and a heavy hammer assembly, wherein a fan-shaped heavy hammer of the heavy hammer assembly is arranged outside the box body, a tension spring bracket is fixed on the box body, and the heavy hammer is connected with the tension spring bracket through a tension spring; the transmission mechanism comprises an overrunning clutch, a worm and a worm wheel; the fan-shaped weight has a hole in fan-shaped tip department, the one end in hole is connected with the worm through freewheel clutch, the weight can swing around worm axle direction, the worm wheel sets up inside the box, worm and worm wheel cooperation, worm wheel lower part installation thrust bearing, belleville spring lies in between spring gland and the worm wheel, the box gland presses on the spring gland and fastens together with the worm wheel, the beam-pumping unit polished rod passes spring gland, belleville spring, the worm wheel and with worm wheel interference fit, effectively guarantee the polished rod and become the circumference wearing and tearing from unilateral wearing and tearing, the eccentric wear problem of polished rod and sucker rod has been solved.

Still there are some insufficiencies in above-mentioned patent, it is not convenient for adjust tension spring's elasticity according to actual need, and the phenomenon that the fatigue elasticity of elasticity is weakened can appear in long-time use tension spring, can not effective elasticity pulling its complete reset after the weight swing if tension spring's elasticity undersize appears easily, and then the influence is used, can not satisfy the user demand, improves to this phenomenon, and we have proposed a beam-pumping unit well polished rod rotary device and are used for solving above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a polished rod rotating device of an oil pumping well.

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

a polished rod rotating device of an oil pumping motor-pumped well comprises a rotating device body, wherein the rotating device body comprises a tension spring support and a heavy hammer, a tension spring is fixedly installed at the top of the heavy hammer, a sleeve is fixedly installed on one side of the bottom of the tension spring support, a vertical rod is sleeved in the sleeve in a sliding mode, the bottom end of the vertical rod extends to the lower portion of the sleeve, two installation blocks are fixedly installed at the bottom of the vertical rod, one side, close to each other, of the two installation blocks is rotatably installed with a same rotating shaft, a rotating block is fixedly sleeved on the rotating shaft, the bottom of the rotating block is fixedly connected with the top end of the tension spring, a first through hole with an opening at the top portion is formed in one side of the sleeve, a screw rod is rotatably installed on the inner wall of the bottom of the first through hole, the top end of the screw rod extends to, one side of the moving block penetrates through the first through hole and extends out of the sleeve, an L-shaped rod is fixedly mounted on one side of the bottom of the tension spring support, the moving block is slidably sleeved on the L-shaped rod, a circular hole is formed in one side of the top of the moving block, a nut is fixedly sleeved in the circular hole, the screw is located in the circular hole, and the nut is sleeved on the screw in a threaded mode.

Preferably, a ball limiting groove is formed in the inner wall of the other side of the sleeve, a limiting ball is embedded in the top of the other side of the vertical rod, and the outer side of the limiting ball is in rolling contact with the side wall of the ball limiting groove.

Preferably, the two mounting blocks are fixedly mounted with a first bearing on one side close to each other, and the inner ring of the first bearing is fixedly sleeved with the outer side of the rotating shaft.

Preferably, a second through hole is formed in one side of the top of the tension spring support, two second bearings are fixedly sleeved in the second through hole, and inner rings of the second bearings are fixedly sleeved with the outer sides of the screw rods.

Preferably, the top of the moving block is provided with a rectangular hole, and the side wall of the rectangular hole is in sliding connection with the outer side of the L-shaped rod.

Compared with the prior art, the beneficial effects of the utility model are that:

through the tension spring support, the weight, tension spring, the sleeve pipe, the montant, first through-hole, the movable block, L shape pole, the screw rod, the circular port, the nut, the turning block, the installation piece, the pivot cooperatees with the rocking disc, when needing to adjust tension spring's elasticity size according to actual need, forward rotation rocking disc drives the screw rod and rotates, screw rod pivoted drives nut rebound simultaneously, the nut drives montant rebound through the movable block, the montant drives pivot rebound through two installation pieces, the pivot drives the turning block and stimulates tension spring, when making tension spring not stimulate, just be in tensile or half tensile state a little.

The utility model relates to a rationally, convenient operation is convenient for adjust tension spring's elasticity size according to actual need, causes the phenomenon that the weight can't reset completely when avoiding using the fatigue elasticity weakness of tension spring elasticity for a long time, prolongs its life, is favorable to using.

Drawings

Fig. 1 is a schematic cross-sectional structural view of a polished rod rotating device for an oil pumping well 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 tension spring support 1, a heavy hammer 2, a tension spring 3, a sleeve 4, a vertical rod 5, a first through hole 6, a moving block 7, an L-shaped rod 8, a screw rod 9, a circular hole 10, a nut 11, a rotating block 12, an installation block 13, a rotating shaft 14 and a rocking disc 15.

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 rotating device for an oil pumping well comprises a rotating device body, the rotating device body comprises a tension spring support 1 and a heavy hammer 2, a tension spring 3 is fixedly installed at the top of the heavy hammer 2, a sleeve 4 is fixedly installed at one side of the bottom of the tension spring support 1, a vertical rod 5 is slidably sleeved in the sleeve 4, the bottom end of the vertical rod 5 extends to the lower side of the sleeve 4, two installation blocks 13 are fixedly installed at the bottom of the vertical rod 5, a same rotating shaft 14 is rotatably installed at one side, close to each other, of the two installation blocks 13, a rotating block 12 is fixedly sleeved on the rotating shaft 14, the bottom of the rotating block 12 is fixedly connected with the top end of the tension spring 3, a first through hole 6 with an opening at the top is formed at one side of the sleeve 4, a screw rod 9 is rotatably installed on the inner wall of the bottom of the first through hole, tension spring support 1 rotates the cover and is equipped with on screw rod 9, one side top fixed mounting of montant 5 has movable block 7, one side of movable block 7 runs through first through-hole 6 and extends to outside sleeve pipe 4, bottom one side fixed mounting of tension spring support 1 has L shape pole 8, movable block 7 slip cover is established on L shape pole 8, circular port 10 has been seted up to top one side of movable block 7, circular port 10 internal fixation cover is equipped with nut 11, screw rod 9 is located circular port 10, nut 11 threaded sleeve is established on screw rod 9, the utility model relates to a rationally, convenient operation, be convenient for adjust tension spring 3's elasticity size according to actual need, cause the phenomenon that weight 2 can't reset completely when avoiding using 3 elastic fatigue elasticity weakenings of tension spring for a long time, prolong its life, be favorable to the use.

In the utility model, a ball limiting groove is arranged on the inner wall of the other side of the sleeve 4, a limiting ball is embedded at the top of the other side of the vertical rod 5, the outer side of the limiting ball is in rolling contact with the side wall of the ball limiting groove, a first bearing is fixedly arranged at one side of the two mounting blocks 13 which are close to each other, the inner ring of the first bearing is fixedly sleeved with the outer side of the rotating shaft 14, a second through hole is arranged at one side of the top of the tension spring bracket 1, two second bearings are fixedly sleeved in the second through hole, the inner ring of the second bearing is fixedly sleeved with the outer side of the screw rod 9, a rectangular hole is arranged at the top of the movable block 7, the side wall of the rectangular hole is in sliding connection with the outer side of the L-shaped rod 8, the utility model has reasonable design and convenient operation, is convenient for adjusting the elasticity of the tension spring 3 according to the, the service life of the device is prolonged, and the device is beneficial to use.

The working principle is as follows: when the device is used, when the heavy hammer 2 swings back and forth, the swinging force of the heavy hammer 2 stretches the tension spring 3, the swinging force drives the tension spring 3 to swing, the tension spring 3 drives the rotating block 12 to rotate, the rotating block 12 drives the rotating shaft 14 to rotate, when the elastic fatigue elasticity of the tension spring 3 is weakened after long-time use, when adjustment is needed, the rocking disc 15 is rotated in the forward direction, the rocking disc 15 drives the screw rod 9 to rotate, under the action of the internal thread on the screw cap 11, the screw rod 9 drives the screw cap 11 to move upwards while rotating, the screw cap 11 drives the moving block 7 to move upwards, the moving block 7 slides upwards on the L-shaped rod 8, the moving block 7 drives the vertical rod 5 to move upwards, the vertical rod 5 drives the limiting balls to roll upwards in the ball limiting grooves, the vertical rod 5 drives the two mounting blocks 13 to move upwards while moving upwards, the two mounting blocks 13 drive the rotating shaft 14 to move, the rotating shaft 14 drives the rotating block 12 to move upwards, the rotating block 12 moves upwards while pulling the tension spring 3, the tension spring 3 is in a slightly stretched or semi-stretched state before being pulled, the elastic force of the tension spring 3 in the stretched state can be increased, the elastic force of the tension spring 3 can be adjusted conveniently according to actual needs, and the phenomenon that the heavy hammer 2 cannot be completely reset when the elastic fatigue elastic force of the tension spring 3 is weakened for a long time is avoided.

In the description of the present application, it should be further noted that, unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may include, for example, a fixed connection, a detachable connection, an integral connection, a mechanical connection, an electrical connection, a direct connection, a connection through an intermediate medium, and a connection between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to specific circumstances.

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 utility model provides a rod-pumped well polished rod rotary device, includes the rotary device body, the rotary device body includes tension spring support (1) and weight (2), the top fixed mounting of weight (2) has tension spring (3), a serial communication port, bottom one side fixed mounting of tension spring support (1) has sleeve pipe (4), sliding sleeve is equipped with montant (5) in sleeve pipe (4), the bottom of montant (5) extends to the below of sleeve pipe (4), the bottom fixed mounting of montant (5) has two installation pieces (13), one side that two installation pieces (13) are close to each other is rotated and is installed same pivot (14), fixed cover is equipped with turning block (12) on pivot (14), the bottom of turning block (12) and the top fixed connection of tension spring (3), first through-hole (6) that the top set up for the opening are seted up to one side of sleeve pipe (4), rotate on the bottom inner wall of first through-hole (6) and install screw rod (9), the top of screw rod (9) extends to the top of tension spring support (1) and fixed mounting has rocking disc (15), tension spring support (1) is rotated the cover and is equipped with on screw rod (9), one side top fixed mounting of montant (5) has movable block (7), one side of movable block (7) is run through first through-hole (6) and is extended to outside sleeve pipe (4), bottom one side fixed mounting of tension spring support (1) has L shape pole (8), movable block (7) slip cap is established on L shape pole (8), circular port (10) have been seted up to top one side of movable block (7), circular port (10) internal fixation cover is equipped with nut (11), screw rod (9) are located circular port (10), nut (11) thread bush is established on screw rod (9).

2. The polished rod rotating device for the rod-pumped well according to claim 1, wherein the sleeve (4) is provided with a ball limiting groove on the inner wall of the other side, the vertical rod (5) is embedded with a limiting ball on the top of the other side, and the outer side of the limiting ball is in rolling contact with the side wall of the ball limiting groove.

3. The polish rod rotating device of an oil pumping well according to claim 1, wherein a first bearing is fixedly installed on one side of each of the two installation blocks (13) close to each other, and an inner ring of the first bearing is fixedly sleeved with the outer side of the rotating shaft (14).

4. The polished rod rotating device for the rod pumped well according to claim 1, wherein a second through hole is formed in one side of the top of the tension spring support (1), two second bearings are fixedly sleeved in the second through hole, and inner rings of the second bearings are fixedly sleeved with the outer sides of the screw rods (9).

5. The polished rod rotating device for the rod-pumped well according to claim 1, wherein a rectangular hole is formed at the top of the moving block (7), and the side wall of the rectangular hole is slidably connected with the outer side of the L-shaped rod (8).