CN112963113A

CN112963113A - Polish rod sealer with automatic tightening device

Info

Publication number: CN112963113A
Application number: CN202110158821.8A
Authority: CN
Inventors: 高云东; 白冬; 徐光平
Original assignee: Dongying Changrui Petroleum Machinery Fittings Co ltd
Current assignee: Dongying Changrui Petroleum Machinery Fittings Co ltd
Priority date: 2021-02-05
Filing date: 2021-02-05
Publication date: 2021-06-15

Abstract

The invention relates to the technical field of polish rod sealers, in particular to a polish rod sealer with an automatic tightening device. The invention provides a polish rod sealer with an automatic tightening device, mainly comprising a case, a support rod, a fastening mechanism and a power mechanism, the top surface of the top plate of the case is fixedly connected with a supporting rod, the top of one side surface of the supporting rod is fixedly connected with a fixing plate, the bottom of the fixed plate is provided with a fastening mechanism, the inside of the case is provided with a power mechanism, the automatic tightening and disassembling operation of the pressing cap can be completed by controlling the motor, the manual rotation is not needed, the time and the labor are saved, the manual force control is not needed, the damage of parts caused by improper force control is avoided, when the packing at the top of the polished rod sealer body is replaced, the pressing cap is fixed without an auxiliary tool, the pressing cap cannot fall down to injure fingers by smashing, and the operation is simple.

Description

Polish rod sealer with automatic tightening device

Technical Field

The invention relates to the technical field of polish rod sealers, in particular to a polish rod sealer with an automatic tightening device.

Background

Polished rod sealing ware mainly is applied to the polished rod seal of beam-pumping unit well, mainly by pressing the cap, the packing box, the shutoff ware body and fixing base are constituteed, wherein the packing effect in the packing box is very important, in case take place the thorn and leak, not only can lead to output to run off rapidly, overflow liquid corrodes oil pipe moreover, and cause environmental pollution, need will press the cap to take off when the packing is changed, change the completion back, still need tighten the cap, just use tightening means this moment, but current tightening means has following defect:

the existing tightening device is mostly manually rotated, so that the time is long, the operation is troublesome, and time and labor are wasted; the existing tightening device adopts manual rotation force which is difficult to master, and improper operation easily causes damage to a screw port of a pressing cap, thereby causing unnecessary trouble.

Disclosure of Invention

The invention aims to provide a polish rod sealer with an automatic tightening device, which solves the problem that the scraps proposed in the background art are harmful to health by arranging a scrap removing mechanism.

In order to achieve the purpose, the invention provides the following technical scheme: a polish rod sealer with an automatic tightening device comprises a case, a support rod, a fastening mechanism and a power mechanism.

The top surface of the top plate of the case is fixedly connected with a supporting rod, the top of the surface of one side of the supporting rod is fixedly connected with a fixing plate, the bottom of the fixing plate is provided with a fastening mechanism, and the inside of the case is provided with a power mechanism.

Power unit includes polished rod sealer body, third gear, second gear, first gear and first spliced pole, the embedded fixing base of installing of roof of machine case, the embedded polished rod sealer body of installing on the fixing base, the fixed cover of output of polished rod sealer body has connected the third gear, rotate between the roof of machine case and the bottom plate and install first spliced pole and third rotation post, third rotation post fixed surface has cup jointed the second gear, the fixed cover in surface of first spliced pole has connected first gear, third gear and first gear all are connected with the meshing of second gear.

The fastening mechanism comprises a slot column, a sliding plate, a first bearing block, a second bearing block and a pressing cap, the top end of the first connecting post penetrates through the top plate of the case and is fixedly connected with a slot post, a slot block is slidably arranged on the slot post, the outer surface of the slot block is fixedly sleeved with a driving gear, the top of the driving gear is fixedly connected with a connecting ring, a sliding rail is arranged on the surface of one side of the supporting rod, a sliding block is arranged on the sliding rail in a sliding way, a sliding plate is horizontally and fixedly arranged on the surface of one side of the sliding block, a first bearing block and a second bearing block are embedded in the sliding plate, the top end of the connecting ring is fixedly connected with the inner ring of the second bearing block, the bottom end of the inner ring of the first bearing block is fixedly connected with a pressing cap, the outer surface of the pressing cap is fixedly sleeved with a pinion, the auxiliary gear is meshed with the driving gear, and a polished rod sealer body is installed at the bottom of the pressing cap in a threaded mode.

Preferably, the top end of the clamping groove column is fixedly connected with a second connecting column, and the top end of the second connecting column is rotatably arranged at the bottom of the fixing plate.

Preferably, a spring is fixedly connected between the fixed plate and the sliding plate, and the slot clamping column is located inside the spring.

Preferably, the inside of first bearing block is equipped with first round hole, install the polished rod on the polished rod sealing ware body, first round hole is passed on the top of polished rod, the diameter of polished rod is four fifths of first round hole internal diameter.

Preferably, a second round hole is formed in the second bearing block, and the slot clamping column is located in the second round hole and the connecting ring.

Preferably, a fastening ring is fixedly connected to the surface of one side of the case, and the fastening ring is sleeved on the polish rod sealer body.

Preferably, three threaded holes are formed in the two ends, far away from the case, of the fastening ring, and screw nuts are fixedly mounted in the threaded holes.

Preferably, the length of the slot column is twice the height of the pressing cap.

Preferably, the support rod is located at the center of the top surface of the top plate of the case.

Preferably, the maximum diameter of the notch column is half of the inner diameter of the connecting ring, and the notch column does not overlap with the connecting ring.

Compared with the prior art, the invention has the beneficial effects that:

(1) the automatic tightening device is provided with a power mechanism, the third gear sequentially drives the second gear and the first gear to rotate by controlling the motor to be started, so that the first connecting column drives the clamping groove column and the driving gear on the top to rotate, the driving gear rotates to drive the auxiliary gear and the pressing cap to rotate, the inner wall of the pressing cap is provided with internal threads, the pressing cap is rotatably sleeved on the top of the polished rod sealer body to finish the automatic tightening operation of the pressing cap, when the pressing cap needs to be disassembled, the motor is controlled to rotate reversely, the pressing cap is loosened, the pressing cap moves upwards under the action of the sliding plate, the automatic disassembly of the pressing cap is finished, the manual rotation is not needed, and time and labor;

(2) the automatic tightening and disassembling device is provided with the fastening mechanism, automatic tightening and disassembling operations of the pressing cap can be completed by controlling the motor, manual force control is not needed, damage to parts due to improper force control is avoided, when the packing at the top of the polished rod sealer body is replaced, the pressing cap is fixed without an auxiliary tool, fingers cannot fall down and are injured by smashing, and the automatic tightening and disassembling device is simple to operate.

Drawings

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a schematic sectional view of the chassis of the present invention;

FIG. 3 is a schematic bottom view of the slide plate of the present invention;

FIG. 4 is an enlarged view of a portion of FIG. 1A;

FIG. 5 is a schematic bottom view of the drive gear of the present invention;

FIG. 6 is a top view of the fastening ring of the present invention.

In the figure: 1. a polish rod sealer body; 2. pressing the cap; 3. a fastening ring; 4. a polish rod; 5. a screw nut; 6. a fixed seat; 7. a motor; 8. a first connecting column; 9. a slot clamping column; 10. a driving gear; 11. a chassis; 12. a support bar; 13. a fixing plate; 14. a sliding plate; 15. a slot clamping block; 16. a pinion gear; 17. a first gear; 18. a second gear; 19. a third gear; 20. a first bearing block; 21. a second bearing block; 22. a slider; 23. a first circular hole; 24. a second circular hole; 25. a second connecting column; 26. a spring; 27. a connecting ring; 28. and a third rotating column.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-6, an embodiment of the present invention is shown: a polish rod sealer with an automatic tightening device comprises a case 11, a support rod 12, a fastening mechanism and a power mechanism.

The top surface of the top plate of the case 11 is fixedly connected with a supporting rod 12, the top of one side surface of the supporting rod 12 is fixedly connected with a fixing plate 13, the bottom of the fixing plate 13 is provided with a fastening mechanism, and the inside of the case 11 is provided with a power mechanism.

Power unit includes polished rod sealing ware body 1, third gear 19, second gear 18, first gear 17 and first connecting column 8, embedded fixing base 6 of installing of roof of machine case 11, embedded polished rod sealing ware body 1 of installing on fixing base 6, the fixed cover of output of polished rod sealing ware body 1 has connect third gear 19, rotate between roof and the bottom plate of machine case 11 and install first connecting column 8 and third rotation post 28, the fixed cover in third rotation post 28 surface has connected second gear 18, first gear 17 has been cup jointed to the fixed surface of first connecting column 8, third gear 19 and first gear 17 all are connected with the meshing of second gear 18.

The fastening mechanism comprises a slot column 9, a sliding plate 14, a first bearing block 20, a second bearing block 21 and a pressing cap 2, wherein the top end of the first connecting column 8 penetrates through a top plate of a case 11 to be fixedly connected with the slot column 9, the slot block 15 is slidably mounted on the slot column 9, a driving gear 10 is fixedly sleeved on the outer surface of the slot block 15, the top of the driving gear 10 is fixedly connected with a connecting ring 27, one side surface of a supporting rod 12 is provided with a sliding rail, a sliding block 22 is slidably mounted on the sliding rail, one side surface of the sliding block 22 is horizontally and fixedly mounted with the sliding plate 14, the sliding plate 14 is embedded with the first bearing block 20 and the second bearing block 21, the top end of the connecting ring 27 is fixedly connected with an inner ring of the second bearing block 21, the bottom end of the inner ring of the first bearing block 20 is fixedly connected with the pressing cap 2, and an auxiliary gear 16 is, the auxiliary gear 16 is meshed with the driving gear 10, and the polished rod sealer body 1 is installed at the bottom of the pressing cap 2 through threads.

Specifically, the top end of the slot clamping column 9 is fixedly connected with a second connecting column 25, and the top end of the second connecting column 25 is rotatably installed at the bottom of the fixing plate 13.

Specifically, a spring 26 is fixedly connected between the fixed plate 13 and the sliding plate 14, the slot-locking column 9 is located inside the spring 26, and the spring 26 is arranged to assist the sliding plate 14 to move upwards.

Specifically, first round hole 23 is equipped with in the inside of first bearing block 20, install polished rod 4 on the polished rod sealing ware body 1, first round hole 23 is passed through at the top of polished rod 4, the diameter of polished rod 4 is four fifths of first round hole 23 internal diameter.

Specifically, a second circular hole 24 is formed in the second bearing block 21, the slot column 9 is located in the second circular hole 24 and the connecting ring 27, and the driving gear 10 and the secondary gear 16 can be adjusted to be at the same height when the second bearing block 21 is arranged to facilitate rotation.

Specifically, a fastening ring 3 is fixedly connected to the surface of one side of the case 11, the fastening ring 3 is sleeved on the polish rod sealer body 1, and the whole device is convenient to fix by the fastening ring 3 sleeved on the polish rod sealer body 1.

Specifically, the two ends of the fastening ring 3, which are far away from the case 11, are respectively provided with three threaded holes, and the threaded holes are internally and fixedly provided with screw nuts 5, so that the fastening ring is convenient to fix and detach by arranging the screw nuts 5.

Specifically, the length of draw-in groove post 9 is for pressing the twice of cap 2 height, and the length through setting up draw-in groove post 9 is for pressing the twice of cap 2 height for press cap 2 height, press cap 2 can break away from polished rod sealing ware body 1 completely when changing the packing, have sufficient space to change the operation.

Specifically, the support rod 12 is located at the center of the top surface of the top plate of the case 11, and the support rod 12 is located at the center of the top surface of the top plate of the case 11 so as to improve the overall stability.

Specifically, the maximum diameter of the slot column 9 is half of the inner diameter of the connection ring 27, the slot column 9 does not overlap with the connection ring 27, and the slot column 9 is set to have a maximum diameter of half of the inner diameter of the connection ring 27, so that the slot column 9 does not rub against the connection ring 27 during rotation.

The working principle is as follows: when the packing on the polished rod sealer body 1 needs to be replaced, the pressing cap 2 is loosened by controlling the reverse rotation of the motor 7, the pressing cap 2 moves upwards under the action of the sliding plate 14, and the automatic disassembly of the pressing cap 2 is completed, need not the manpower and rotate, when changing the packing at 1 top of polished rod sealer body, it need not that appurtenance is fixed to press cap 2, easy operation, labour saving and time saving, through control motor 7 alright accomplish to pressing the automatic tightening and the dismantlement operation of cap 2, need not artificial control dynamics, has avoided the improper damage that leads to the part of dynamics control.

The present invention relates to circuits, electronic components and control modules all of which are well within the skill of those in the art and, needless to say, the present invention is not directed to software and process improvements.

In the description of the present invention, it is to be understood that the terms "center", "middle", "eccentric", "longitudinal", "lateral", "length", "width", "thickness", "height", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship indicated based on the orientation or positional relationship shown in the drawings, and are only for convenience of describing and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the invention.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a polished rod sealer with automatic tightening means which characterized in that: comprises a case (11), a support rod (12), a fastening mechanism and a power mechanism;

a supporting rod (12) is fixedly connected to the top surface of a top plate of the case (11), a fixing plate (13) is fixedly connected to the top of one side surface of the supporting rod (12), a fastening mechanism is installed at the bottom of the fixing plate (13), and a power mechanism is installed inside the case (11);

the power mechanism comprises a polished rod sealer body (1), a third gear (19), a second gear (18), a first gear (17) and a first connecting column (8), a fixed seat (6) is embedded in a top plate of the case (11), the polished rod sealer body (1) is embedded in the fixed seat (6), the third gear (19) is fixedly sleeved at the output end of the polished rod sealer body (1), the first connecting column (8) and a third rotating column (28) are rotatably installed between the top plate and a bottom plate of the case (11), the second gear (18) is fixedly sleeved on the surface of the third rotating column (28), the first gear (17) is fixedly sleeved on the surface of the first connecting column (8), and the third gear (19) and the first gear (17) are both meshed with the second gear (18);

the fastening mechanism comprises a slot column (9), a sliding plate (14), a first bearing block (20), a second bearing block (21) and a pressing cap (2), wherein the top end of the first connecting column (8) penetrates through a top plate of a case (11) and is fixedly connected with the slot column (9), the slot column (9) is provided with the slot block (15) in a sliding manner, the outer surface of the slot block (15) is fixedly sleeved with a driving gear (10), the top of the driving gear (10) is fixedly connected with a connecting ring (27), the surface of one side of a supporting rod (12) is provided with a sliding rail, the sliding rail is provided with a sliding block (22) in a sliding manner, the surface of one side of the sliding block (22) is horizontally and fixedly provided with the sliding plate (14), the sliding plate (14) is internally embedded with the first bearing block (20) and the second bearing block (21), and the top end of the connecting ring (27) is fixedly connected, the polished rod sealing device is characterized in that a pressing cap (2) is fixedly connected to the bottom end of the inner ring of the first bearing block (20), an auxiliary gear (16) is fixedly sleeved on the outer surface of the pressing cap (2), the auxiliary gear (16) is meshed with the driving gear (10) and connected with the driving gear, and a polished rod sealing device body (1) is installed on the bottom of the pressing cap (2) in a threaded mode.

2. The polish rod sealer with automatic tightening device of claim 1, wherein: the top end of the clamping groove column (9) is fixedly connected with a second connecting column (25), and the top end of the second connecting column (25) is rotatably installed at the bottom of the fixing plate (13).

3. The polish rod sealer with automatic tightening device of claim 1, wherein: a spring (26) is fixedly connected between the fixed plate (13) and the sliding plate (14), and the slot clamping column (9) is positioned inside the spring (26).

4. The polish rod sealer with automatic tightening device of claim 1, wherein: the inside of first bearing block (20) is equipped with first round hole (23), install polished rod (4) on polished rod sealing ware body (1), first round hole (23) are passed on the top of polished rod (4), the diameter of polished rod (4) is four fifths of first round hole (23) internal diameter.

5. The polish rod sealer with automatic tightening device of claim 1, wherein: the inner part of the second bearing block (21) is provided with a second round hole (24), and the slot clamping column (9) is positioned in the second round hole (24) and the connecting ring (27).

6. The polish rod sealer with automatic tightening device of claim 1, wherein: and a fastening ring (3) is fixedly connected to the surface of one side of the case (11), and the fastening ring (3) is sleeved on the polish rod sealer body (1).

7. The polish rod sealer with automatic tightening device of claim 6, wherein: the two ends of the fastening ring (3) far away from the case (11) are respectively provided with three threaded holes, and screw nuts (5) are fixedly mounted in the threaded holes.

8. The polish rod sealer with automatic tightening device of claim 1, wherein: the length of the clamping groove column (9) is twice of the height of the pressing cap (2).

9. The polish rod sealer with automatic tightening device of claim 1, wherein: the supporting rod (12) is positioned in the center of the top surface of the top plate of the case (11).

10. The polish rod sealer with automatic tightening device of claim 1, wherein: the maximum diameter of the clamping groove column (9) is half of the inner diameter of the connecting ring (27), and the clamping groove column (9) is not overlapped with the connecting ring (27).