CN211852582U - Brake safety interlocking device for oil pumping unit - Google Patents

Brake safety interlocking device for oil pumping unit Download PDF

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Publication number
CN211852582U
CN211852582U CN201922495549.3U CN201922495549U CN211852582U CN 211852582 U CN211852582 U CN 211852582U CN 201922495549 U CN201922495549 U CN 201922495549U CN 211852582 U CN211852582 U CN 211852582U
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China
Prior art keywords
brake
safety
pumping unit
linkage mechanism
interlock
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CN201922495549.3U
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Chinese (zh)
Inventor
张玉华
曾志强
刘世国
仲伟军
麦合苏提·麦麦提图尔荪
龙东
吕柏林
李晶
李荣辉
沈新文
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Petrochina Co Ltd
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Petrochina Co Ltd
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Priority to CN201922495549.3U priority Critical patent/CN211852582U/en
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Abstract

The utility model provides a beam-pumping unit brake insurance interlock, include: the brake device comprises a brake stopper, a brake handle and a brake linkage mechanism, wherein the brake stopper has a brake state acting on the brake piece and a separation state separated from the brake piece; the brake safety device comprises a safety claw, a safety handle and a safety linkage mechanism, wherein the safety claw has a safety state acting on the ratchet-tooth type brake wheel and an unlocking state separated from the ratchet-tooth type brake wheel; and a brake fuse interlock cooperating with the brake linkage mechanism such that the brake retainer is maintained in the braking condition when the brake fuse is in the fuse condition. Use according to the utility model discloses a beam-pumping unit brake insurance interlock makes brake link gear and insurance link gear interlocking to must open the brake safeties earlier and just can open brake equipment when the brake retainer is in the brake state, solved and not released the brake safeties and opened brake equipment's maloperation problem earlier.

Description

Brake safety interlocking device for oil pumping unit
Technical Field
The utility model relates to an oil field exploitation field specifically, relates to a brake safeties interlock of beam-pumping unit.
Background
The oil pumping machine is a machine for exploiting oil, and is commonly called a head knocking machine. Pumping units are the most prominent lifting devices in sucker-rod pumping systems, which pump oil by reciprocating a piston at the oil reservoir.
The walking beam type oil pumping unit is mainly used for crude oil exploitation in China, a brake safety device is arranged on a brake device of the oil pumping unit in order to prevent misoperation, and the brake device consists of a brake wheel mechanism arranged on a speed reducer and a brake operating mechanism arranged on a base. The brake safety device consists of a safety claw, a ratchet-type brake wheel and an operating device, when the pumping unit is stopped, a brake operating handle is tensioned, the pumping unit is stopped at a proper position, then the brake safety device operating handle is rotated to drive the safety device to pull a transverse pull rod, the brake safety claw is meshed with the ratchet-type brake wheel, an input shaft of the pumping unit is locked, and the functions of preventing misoperation and preventing sudden failure of a hand brake are achieved. In the pumping starting operation process of the pumping unit, as staff forget to loosen the brake safety device, the pumping unit is started when the brake of the pumping unit is loosened, and the motor of the pumping unit is burnt out when the pumping unit is stopped in time; in the operation process, the brake safety device is not loosened in place, so that the safety claw of the brake safety device and the ratchet-type brake wheel are hung and touched, the ratchet-type brake wheel arranged on the input shaft of the pumping unit rotating at a high speed is seriously damaged, and scrap iron flies out from the ratchet-type brake wheel rotating at a high speed in the scraping and touching process, so that personal injury is easily caused.
SUMMERY OF THE UTILITY MODEL
A primary object of the present invention is to provide a brake safety interlock device to solve the problem of misoperation of prior art that the safety device is not released and the brake device is opened first.
In order to achieve the above object, the utility model provides a beam-pumping unit brake insurance interlock, include: a brake apparatus, comprising: the brake device comprises a brake stopper, a brake handle and a brake linkage mechanism, wherein the brake stopper has a brake state acting on a brake piece and a separation state separated from the brake piece; the brake linkage mechanism is arranged between the brake stopper and the brake handle, wherein the brake handle enables the brake stopper to be switched between a brake state and a separation state through the brake linkage mechanism; a brake safety device comprising: the safety pawl is provided with a safety state acting on the ratchet type brake wheel and an unlocking state separated from the ratchet type brake wheel; the safety linkage mechanism is arranged between the safety claw and the safety handle, wherein the safety handle enables the safety claw to be switched between a safety state and an unlocking state through the safety linkage mechanism; and the brake safety interlocking device is arranged on the safety linkage mechanism and is matched with the brake linkage mechanism, so that the brake retainer is kept in a brake state when the brake safety device is in a safety state.
Furthermore, the brake linkage mechanism comprises a brake device longitudinal pull rod, and the brake safety interlocking device comprises a limiting hoop fixed on the brake device longitudinal pull rod.
Furthermore, the limiting clamp is fixed on the brake device longitudinal pull rod through a puller bolt.
Further, the brake safety interlock comprises a positioning lock fixed to the safety linkage mechanism, the positioning lock comprises a locking bracket, and the locking bracket can limit movement of the limiting clamp.
Further, the positioning lock further comprises: the locking bracket is fixed on the upper slip; and the lower slip is fixed to the upper slip and provided with a mounting hole, and the positioning lock is mounted on the safety linkage mechanism through the mounting hole.
Further, the surface of the locking bracket matched with the upper slip is provided with an adjusting groove so as to adjust the position of the locking bracket relative to the upper slip.
Further, the upper slip has a through hole corresponding to the position of the adjustment slot such that the threaded member adjustably secures the locking bracket to the upper slip.
Further, the screw member fixes the upper and lower slips together with the locking bracket and fixes the positioning lock to the safety link mechanism.
Furthermore, the locking support comprises a positioning portion at the upper portion, a mounting plate at the lower portion and a connecting portion for connecting the positioning portion with the mounting plate, a positioning groove is formed in the positioning portion, the adjusting groove is located on the mounting plate, and the positioning groove can clamp the brake device longitudinal pull rod therein.
Furthermore, the brake linkage mechanism comprises a brake device cross rod matched with the brake device longitudinal pull rod, the brake device cross rod and the brake device longitudinal pull rod are connected through a first pivoting piece, and the first pivoting piece is of a first crank arm structure in pivoting arrangement; the safety linkage mechanism comprises a brake safety device longitudinal pull rod and a brake safety device transverse pull rod, the brake safety device transverse pull rod and the brake safety device longitudinal pull rod are connected through a second pivoting piece, and the second pivoting piece is of a second crank arm structure in pivoting arrangement.
Use the technical scheme of the utility model, through beam-pumping unit brake insurance interlock, with brake link gear and insurance link gear interlocking to when the brake retainer is in the brake state, must open the brake safeties earlier and just can open brake equipment, solved not remove the brake safeties and open brake equipment's maloperation problem earlier.
Drawings
The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 shows a schematic diagram of an embodiment of a pumping unit brake safety interlock device according to the present invention;
fig. 2 is a schematic perspective view of a limiting clamp of the pumping unit brake safety interlock device according to the present invention;
fig. 3 is a perspective view of the positioning lock of the interlocking device for the brake and the safety of the oil pumping unit according to the present invention; and
fig. 4 shows a schematic diagram of the matching relationship between the limiting clamp and the positioning lock of the oil pumping unit brake safety interlocking device according to the utility model.
Wherein the figures include the following reference numerals:
1. a brake fuse interlock; 2. a safety handle; 3. a safety linkage mechanism; 4. a brake safety device longitudinal pull rod; 5. a brake device longitudinal pull rod; 6. a braking member; 7. a safety claw; 8. a ratchet-type brake wheel; 9. a brake linkage mechanism; 10. a brake handle; 11. mounting holes; 12. a slip is put down; 13. positioning a groove; 14. a locking bracket; 15. a threaded member; 16. an adjustment groove; 17. a rib plate; 18. the slips are put on; 19. a limiting clamp; 20. jacking the bolt; 21. a brake longitudinal pull rod mounting hole; 22. and (6) positioning the lock.
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. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
Unless specifically stated otherwise, the relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present invention. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.
As shown in fig. 1, the oil pumping unit brake safety interlock device of the present embodiment includes: a brake apparatus, comprising: a brake stopper having a braking state acting on the ratchet-type brake wheel 8 and a separated state separated from the brake member 6, a brake handle 10, and a brake link mechanism 9; the brake linkage mechanism 9 is arranged between the brake stopper and the brake handle 10, wherein the brake handle 10 enables the brake stopper to be switched between a braking state and a separated state through the brake linkage mechanism 9; a brake safety device comprising: the safety pawl 7 has a safety state acting on the ratchet-type brake wheel 8 and an unlocking state separated from the ratchet-type brake wheel 8; the safety linkage mechanism 3 is arranged between the safety claw 7 and the safety handle 2, wherein the safety handle 2 enables the safety claw 7 to be switched between a safety state and an unlocking state through the safety linkage mechanism 3; and a brake safety interlock device 1 mounted on the safety linkage mechanism 3 and cooperating with the brake linkage mechanism such that the brake stopper is maintained in a braking state when the brake safety device is in a safety state.
As shown in fig. 1, when the brake stopper contacts the brake member 6, the brake stopper presses the brake member 6 to lock the rotatable member in the groove of the brake member 6, thereby achieving the braking of the pumping unit. After the braking is finished, the safety claw 7 is enabled to grasp the ratchet type brake wheel 8 through the safety handle 2, and the safety state is entered. At this time, the brake fail-safe interlock device 1 mounted on the fail-safe link mechanism 3 acts on the brake link mechanism 9 to lock the brake link mechanism 9 so that the brake stopper cannot release the pressing action on the brake element 6 in a state where the fail-safe claw 7 is not opened, thereby achieving the interlock.
The brake linkage mechanism comprises a brake device longitudinal pull rod 5, and the brake safety interlocking device 1 comprises a limiting hoop 19 fixed on the brake device longitudinal pull rod 5.
The limiting clamp 19 is fixed on the brake device longitudinal pull rod 5 through a puller bolt 20, and as shown in fig. 2, the limiting clamp 19 can also be fixed in a manner similar to the puller bolt 20. The limiting clamp 19 is provided with a brake longitudinal pull rod mounting hole 21, the brake longitudinal pull rod penetrates into the brake longitudinal pull rod mounting hole 21 of the limiting clamp 19 during installation, the limiting clamp is fixed on the brake longitudinal pull rod through a puller bolt 20, and the mounting height of the limiting clamp 19 can be adjusted through the puller bolt 20.
The brake safety interlock device 1 includes a detent lock 22 secured to the safety linkage 3, the detent lock 22 including a lock bracket 14, the lock bracket 14 being capable of limiting movement of the check clip 19.
The brake safety interlocking device 1 realizes the interlocking of the brake linkage mechanism 9 and the safety linkage mechanism 3 and the brake linkage mechanism 9 through the interaction of the positioning lock 22 fixed to the safety linkage mechanism 3 and the limiting hoop 19 fixed on the brake device longitudinal pull rod 5. The operator cannot turn on the brake without turning on the brake safety device.
The positioning lock 22 further includes: an upper slip 18, the locking bracket 14 is fixed on the upper slip 18; a lower slip 12 fixed to the upper slip 18 and having a mounting hole 11, and a detent lock 22 mounted to the safety linkage 3, specifically, to the brake safety tie rod, through the mounting hole 11.
As shown in FIG. 3, the locking bracket 14 of the positioning lock 22 has an adjustment groove 16 for adjusting the position of the locking bracket 14, the upper slip 18 has 4 through holes, and the upper portion of the lower slip 12 has 4 threaded holes.
Through two pairwise locating holes arranged in rows, the adjusting margin of the locating lock 22 during installation can be provided, and the adaptability to the brake device longitudinal pull rod 5 is better.
The surface of the locking bracket 14 that engages the upper slip 18 has an adjustment groove 16 to adjust the position of the locking bracket 14 relative to the upper slip 18.
Thereby, the locking bracket 14 can be adjusted in the direction of the adjustment groove 16 relative to the upper slip 18.
The upper slip 18 has a through hole corresponding to the position of the adjustment slot so that the threaded member 15 adjustably secures the locking bracket 14 to the upper slip 18.
The screw 15 secures the upper and lower slips 18, 12 with the locking bracket 14 and the set lock 22 to the safety linkage 3.
As shown in fig. 4, the locking bracket 14 includes an upper positioning portion, a lower mounting plate, and a connecting portion connecting the upper positioning portion and the mounting plate, the positioning portion is provided with a positioning groove 13, the adjusting groove 16 is located on the mounting plate, and the positioning groove 13 can clamp the brake device longitudinal pull rod 5 therein. The locking bracket 14 of the positioning lock 22 improves the reliability of the locking bracket 14 by the rib 17
The brake linkage mechanism 9 comprises a brake device cross rod matched with the brake device longitudinal pull rod 5, the brake device cross rod is connected with the brake device longitudinal pull rod 5 through a first pivoting piece, and the first pivoting piece is of a first crank arm structure in pivoting arrangement; the above structure converts the lateral movement of the drag link caused by the brake handle 10 into the longitudinal movement of the drag link 5, and the longitudinal upward movement of the drag link 5 causes the brake stopper to enter a braking state. The safety linkage mechanism 3 comprises a brake safety device longitudinal pull rod 4 and a brake safety device transverse pull rod, the brake safety device transverse pull rod and the brake safety device longitudinal pull rod 4 are connected through a second pivoting piece, and the second pivoting piece is of a second crank arm structure in pivoting arrangement. The structure converts the transverse movement of the brake safety device cross pull rod caused by the safety handle 2 into the longitudinal movement of the brake safety device longitudinal pull rod 4, and the longitudinal direction of the brake safety device longitudinal pull rod 4 upwards enables the safety claw 7 to enter a safety state. When the safety pawl 7 is in the safety state, the positioning lock 22 mounted on the brake safety device cross rod limits the longitudinal downward movement of the brake device longitudinal rod 5 by cooperating with the limiting clamp 19 fixed on the brake device longitudinal rod 5.
The lower slip 12, the upper slip 18 and the locking support 14 are fixed on a brake safety device cross rod through a screw member 15, as shown in fig. 1, after a brake handle 10 of the oil pumping unit is tensioned, the brake safety device cross rod is driven to move by rotating a safety handle 2, so that the locking support 14 is driven to move to the upper part of a limiting clamp 19, the limiting clamp 19 is pressed through a positioning groove 13, and the effect that the brake device cannot be loosened without loosening the brake safety device is achieved.
From the above description, it can be seen that the above-mentioned embodiments of the present invention achieve the following technical effects:
the brake interlocking mechanism and the safety interlocking mechanism are interlocked through the brake safety interlocking device of the oil pumping unit brake interlocking device, so that when the brake stopper is in a brake state, the brake can be opened only by opening the brake safety device first, and the problem of misoperation of opening the brake first without releasing the brake safety device is solved.
In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the orientation words such as "front, back, up, down, left, right", "horizontal, vertical, horizontal" and "top, bottom" etc. are usually based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, and in the case of not making a contrary explanation, these orientation words do not indicate and imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore, should not be interpreted as limiting the scope of the present invention; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.
Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and if not stated otherwise, the terms have no special meaning, and therefore, the scope of the present invention should not be construed as being limited.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. The utility model provides a beam-pumping unit brake insurance interlock which characterized in that includes:
a brake apparatus, comprising: a brake stop having a braking state acting on the braking member (6) and a separated state separated from the braking member (6), a brake handle (10) and a brake linkage mechanism (9); the brake linkage mechanism (9) is arranged between the brake stopper and the brake handle (10), wherein the brake handle (10) switches the brake stopper between the braking state and the separated state through the brake linkage mechanism (9);
a brake safety device comprising: the safety device comprises a safety claw (7), a safety handle (2) and a safety linkage mechanism (3), wherein the safety claw (7) has a safety state acting on a ratchet type brake wheel (8) and an unlocking state separated from the ratchet type brake wheel (8); the safety linkage mechanism (3) is arranged between the safety claw (7) and the safety handle (2), wherein the safety handle (2) enables the safety claw (7) to be switched between the safety state and the unlocking state through the safety linkage mechanism (3); and
a brake fuse interlock (1) mounted on said fuse linkage (3) and cooperating with said brake linkage (9) such that when said brake fuse is in said fuse state, said brake stop is held in said brake state.
2. The oil pumping unit brake safety interlocking device according to claim 1, wherein the brake linkage mechanism comprises a brake device longitudinal pull rod (5), and the brake safety interlocking device (1) comprises a limiting clamp (19) fixed on the brake device longitudinal pull rod (5).
3. The oil pumping unit brake safety interlock device according to claim 2, wherein the limiting clamp (19) is fixed on the brake device longitudinal pull rod (5) through a puller bolt (20).
4. A pumping unit brake safety interlock device according to claim 2, characterized in that the brake safety interlock device (1) comprises a positioning lock (22) fixed to the safety linkage (3), the positioning lock (22) comprising a locking bracket (14), the locking bracket (14) being able to limit the movement of the limit clip (19).
5. The pumping unit brake safety interlock of claim 4, wherein the positioning lock (22) further comprises:
an upper slip (18), the locking bracket (14) being secured to the upper slip (18);
and the lower slip (12) is fixed to the upper slip (18) and is provided with a mounting hole (11), and the positioning lock (22) is mounted on the safety linkage mechanism (3) through the mounting hole (11).
6. The pumping unit brake safety interlock device according to claim 5, wherein the surface of the locking bracket (14) that engages the upper slip (18) has an adjustment groove (16) to adjust the position of the locking bracket (14) relative to the upper slip (18).
7. A pumping unit break-safe interlock as claimed in claim 6, characterized in that the upper slip (18) has a through hole corresponding to the position of the adjustment groove, so that a screw member (15) adjustably secures the locking bracket (14) to the upper slip (18).
8. The pumping unit brake safety interlock of claim 7, wherein the threaded member (15) secures the upper slip (18), the lower slip (12) and the locking bracket (14) together and secures the positioning lock (22) to the safety linkage (3).
9. The oil pumping unit brake safety interlocking device according to claim 8, wherein the locking bracket (14) comprises an upper positioning part, a lower mounting plate and a connecting part for connecting the positioning part and the mounting plate, the positioning part is provided with a positioning groove (13), the adjusting groove (16) is positioned on the mounting plate, and the positioning groove (13) can clamp the brake device longitudinal pull rod (5) therein.
10. The pumping unit brake safety interlock device according to claim 9, wherein the brake linkage mechanism (9) comprises a brake device tie rod engaged with the brake device drag rod (5), the brake device tie rod and the brake device drag rod (5) are connected through a first pivot member, and the first pivot member is a first crank arm structure which is pivotally arranged; the safety linkage mechanism (3) comprises a brake safety device longitudinal pull rod (4) and a brake safety device transverse pull rod, the brake safety device transverse pull rod is connected with the brake safety device longitudinal pull rod (4) through a second pivoting piece, and the second pivoting piece is of a second crank arm structure in pivoting arrangement.
CN201922495549.3U 2019-12-31 2019-12-31 Brake safety interlocking device for oil pumping unit Active CN211852582U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201922495549.3U CN211852582U (en) 2019-12-31 2019-12-31 Brake safety interlocking device for oil pumping unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201922495549.3U CN211852582U (en) 2019-12-31 2019-12-31 Brake safety interlocking device for oil pumping unit

Publications (1)

Publication Number Publication Date
CN211852582U true CN211852582U (en) 2020-11-03

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Application Number Title Priority Date Filing Date
CN201922495549.3U Active CN211852582U (en) 2019-12-31 2019-12-31 Brake safety interlocking device for oil pumping unit

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112664589A (en) * 2021-03-16 2021-04-16 胜利油田新海兴达实业集团有限责任公司 Auxiliary brake device of beam-pumping unit

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112664589A (en) * 2021-03-16 2021-04-16 胜利油田新海兴达实业集团有限责任公司 Auxiliary brake device of beam-pumping unit

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