CN215927337U

CN215927337U - Safety early warning protection device for horsehead lifting rope of oil pumping unit

Info

Publication number: CN215927337U
Application number: CN202122027237.7U
Authority: CN
Inventors: 王虎彪
Original assignee: Shaanxi Wanlang Petroleum Engineering Technology Service Co ltd
Current assignee: Shaanxi Wanlang Petroleum Engineering Technology Service Co ltd
Priority date: 2021-08-26
Filing date: 2021-08-26
Publication date: 2022-03-01
Anticipated expiration: 2031-08-26

Abstract

The utility model relates to the technical field of pumping units, in particular to a pumping unit horse head lifting rope safety early warning protection device which comprises a pumping unit horse head, wherein a lifting rope is arranged on the pumping unit horse head, a hanger is arranged at the lower end of the lifting rope, a pumping rod is arranged at the lower end of the hanger, an anti-breaking protection mechanism for preventing the lifting rope from being broken is arranged between the pumping unit horse head and the hanger, and a safety early warning mechanism is arranged at one end, close to the hanger, of the lifting rope. According to the utility model, the safety rope is additionally arranged on the inner side of the horse head, the pumping unit is not stressed when in normal operation, the hanger can be connected with the balance weight through the safety rope under the condition that the lifting rope on the outer side is broken, the pumping unit can also be maintained to normally operate for a certain time through the safety rope, the instant load loss of the vertical pumping unit is effectively prevented, the danger to field workers caused by the falling of the balance weight is avoided, and the safety is high.

Description

Safety early warning protection device for horsehead lifting rope of oil pumping unit

Technical Field

The utility model relates to the technical field of pumping units, in particular to a safety early warning protection device for a horsehead lifting rope of a pumping unit.

Background

The lifting rope of the oil pumping unit is broken in daily production due to fatigue failure, impact stress, torsion eccentric wear, corrosion failure and the like, so that the problems of instant load loss and polished rod falling of the oil pumping unit are caused, the fault of the oil pumping unit is caused, and the normal production is influenced; meanwhile, the broken rope body easily injures surrounding operators and equipment, and brings serious potential safety hazard.

The maintenance of the lifting rope is very important for the oil pumping unit, the lifting rope of the oil pumping unit is mainly sealed for a long time at the connecting part of a lifting rope head and a rope cap by adopting a method of adding butter in the daily production maintenance, and the replacement period of the lifting rope of the oil pumping unit is generally 2 to 3 years. In the current maintenance, the condition of the lifting rope is mainly observed visually, whether the lifting rope needs to be replaced is judged according to the condition of obvious strand breakage or elongation, the implementation is inconvenient to observe, and judgment basis is lacked.

Therefore, a method capable of direct observation and quantitative determination is needed to solve the problem of the evaluation of the use safety of the lifting rope, so as to reduce the production stop time caused by the breakage of the lifting rope and reduce the potential safety hazard caused by the breakage of the rope body.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a safety early warning protection device for a horsehead lifting rope of an oil pumping unit, and aims to solve the problems that the lifting rope of the oil pumping unit in the prior art is lack of deformation observation evaluation and lifting rope fracture protection.

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

beam-pumping unit horse head lifting rope safety precaution protection device, including the beam-pumping unit horse head, be equipped with the lifting rope on the beam-pumping unit horse head, the lower extreme of lifting rope is equipped with the hanger, the lower extreme of hanger is equipped with the sucker rod, be equipped with between beam-pumping unit horse head and the hanger and prevent broken protection mechanism of lifting rope fracture, the lifting rope is close to hanger one end and is equipped with safety precaution mechanism.

Preferably, prevent disconnected protection machanism and include the safety rope, the safety rope is located the inboard of lifting rope, the upper end of safety rope is connected on the beam-pumping unit horse head, the hanger symmetry is equipped with two through-holes, two lower ends of safety rope pass through-hole downwardly extending, all be equipped with first fixed lock sleeve on two lower end of safety rope, first fixed lock sleeve passes through fastening bolt and fixes on the safety rope.

Preferably, the diameter of the first fixing lock sleeve is larger than the hole diameter of the through hole in the hanger.

Preferably, safety precaution mechanism is including solid fixed ring, scale cover and pointer, gu fixed ring sets up the lower extreme at the lifting rope, and gu fixed ring passes through fastening screw to fix the pointer on solid fixed ring, the fixed lower extreme that sets up at the safety rope of scale cover, the direction of pointer points to the scale cover, and the initial position of pointer and the upper end of scale cover are on same water flat line.

Preferably, the scale sleeve is divided into a safety section, a warning section and a danger section from top to bottom, wherein the safety section (elastic deformation stage): the rope body at this stage can be restored and deformed within the normal service range; warning segment (yield stage): at this stage, the rope body not only generates elastic deformation, but also generates plastic deformation; danger section (plastic deformation stage): at this stage, the rope undergoes irreversible plastic deformation, beginning with the risk of breakage.

Preferably, the distance from the upper end of the first fixed lock sleeve to the lower end of the hanger is equal to or greater than the height of the scale sleeve.

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

1. according to the utility model, the safety rope is additionally arranged on the inner side of the horse head, the pumping unit is not stressed when in normal operation, the hanger can be connected with the balance weight through the safety rope under the condition that the lifting rope on the outer side is broken, the pumping unit can also be maintained to normally operate for a certain time through the safety rope, the instant load loss of the vertical pumping unit is effectively prevented, the danger brought to field workers due to the falling of the balance weight is avoided, and the safety is high;

2. the utility model fixes an observation pointer on the lifting rope, and arranges a scale sleeve on the auxiliary rope under the maximum extension of the steel wire lifting rope and the range specified by the steel wire rope use scrap standard measured by experiments, and the scale sleeve is provided with a safety section, a warning section and a dangerous section, so that the accumulation of the lifting rope along with the use time and the wear degree and the extension condition of the lifting rope can be visually seen, and the lifting rope can be replaced in time when the pointer needle is about to reach the dangerous section, thereby achieving the purpose of reducing the potential safety hazard and solving the fatigue fracture caused by wear and consumption in the use process.

Drawings

Fig. 1 is a schematic structural diagram of a safety early warning protection device for a horsehead lifting rope of an oil pumping unit.

Fig. 2 is an oblique view of the safety pre-warning protection device for the horsehead lifting rope of the oil pumping unit.

Fig. 3 is an enlarged schematic view of a in fig. 2.

Fig. 4 is a lower oblique view of the pumping unit horsehead lifting rope safety early warning protection device.

In the figure: 1. a horse head of the oil pumping unit; 2. a lifting rope; 3. a safety cord; 4. a hanger; 5. a sucker rod; 6. a first fixed lock sleeve; 7. a fixing ring; 8. a scale sleeve; 9. a second fixed lock sleeve; 10. an indicator needle; 11. and a through hole.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

Referring to fig. 1-4, the safety pre-warning protection device for the horsehead lifting rope of the pumping unit comprises a horsehead 1 of the pumping unit, a lifting rope 2 is arranged on the horsehead 1 of the pumping unit, a hanger 4 is arranged at the lower end of the lifting rope 2, a pumping rod 5 is arranged at the lower end of the hanger 4, a second fixed lock sleeve 9 is arranged at the upper end of the pumping rod 5, a breakage-proof protection mechanism for preventing the lifting rope 2 from being broken is arranged between the horsehead 1 of the pumping unit and the hanger 4, and a safety pre-warning mechanism is arranged at one end, close to the hanger 4, of the lifting rope 2.

Prevent disconnected protection mechanism includes safety rope 3, and safety rope 3 is located the inboard of lifting rope 2, and the upper end of safety rope 3 is connected on beam-pumping unit horse head 1, and 4 symmetries of hanger are equipped with two through-holes 11, and two lower ends of safety rope 3 pass through-hole 11 downwardly extending, all are equipped with first fixed lock sleeve 6 on two lower end heads of safety rope 3, and first fixed lock sleeve 6 passes through fastening bolt to be fixed on safety rope 3.

The diameter of the first fixed lock sleeve 6 is larger than the aperture of the through hole 11 on the hanger 4, so that the safety rope 3 can be connected with the hanger 4 through the first fixed lock sleeve 6 after the lifting rope 2 is broken.

Safety precaution mechanism includes solid fixed ring 7, scale cover 8 and pointer 10, and solid fixed ring 7 sets up the lower extreme at lifting rope 2, and gu fixed ring 7 fixes pointer 10 on solid fixed ring 7 through fastening screw, and scale cover 8 is fixed to be set up at the lower extreme of safety rope 3, and the direction of pointer 10 points to scale cover 8, and the initial position of pointer 10 and the upper end of scale cover 8 are on same water flat line.

The scale cover 8 is divided into a safety section, a warning section and a danger section from top to bottom, and the safety section elastically deforms: the rope body at this stage can be restored and deformed within the normal service range; and (3) warning section yield stage: at this stage, the rope body not only generates elastic deformation, but also generates plastic deformation; and (3) plastic deformation stage of the dangerous section: at this stage, the rope undergoes irreversible plastic deformation, beginning with the risk of breakage.

The distance from the upper end of the first fixed lock sleeve 6 to the lower end of the hanger 4 is equal to or greater than the height of the scale sleeve 8, so that the safety rope 3 is not stressed before the lifting rope 2 is broken.

The working principle of the utility model is as follows: when the utility model is used, an observation indicating needle 10 is fixed on the lifting rope 2, a scale sleeve 8 is arranged on the auxiliary rope under the maximum extension of the steel wire lifting rope 2 and the range specified by the steel wire rope use scrap standard determined by experiments, and a safety section, a warning section and a dangerous section are arranged on the scale sleeve 8, so that the accumulation of the lifting rope 2 along with the use time and the wear degree and the extension condition of the lifting rope can be visually seen, the lifting rope 2 is replaced in time when the pointer needle is about to reach the dangerous section, the aim of reducing the potential safety hazard is achieved, and the fatigue fracture caused by wear and consumption in the use process is solved; simultaneously, add a safety rope 3 in the horse head inboard, the beam-pumping unit normal during operation is not atress, under the cracked condition of lifting rope 2 in the outside, accessible safety rope 3 is connected hanger 4 and balance weight, and safety rope 3 can also make the beam-pumping unit maintain the normal work of certain time, effectively prevents vertical beam-pumping unit and loses the load in the twinkling of an eye, avoids bringing danger for the site work personnel because of the balancing piece drops, and the security is high.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.

Claims

1. Beam-pumping unit horse head lifting rope safety precaution protection device, a serial communication port, including beam-pumping unit horse head (1), be equipped with lifting rope (2) on beam-pumping unit horse head (1), the lower extreme of lifting rope (2) is equipped with hanger (4), the lower extreme of hanger (4) is equipped with sucker rod (5), the upper end that sucker rod (5) are located hanger (4) is equipped with the fixed lock sleeve of second (9), be equipped with between beam-pumping unit horse head (1) and hanger (4) and prevent lifting rope (2) cracked disconnected protection mechanism of preventing, lifting rope (2) are close to hanger (4) one end and are equipped with safety precaution mechanism.

2. The safety pre-warning protection device for the horsehead lifting rope of the oil pumping unit according to claim 1, wherein the anti-breaking protection mechanism comprises a safety rope (3), the safety rope (3) is located on the inner side of the lifting rope (2), the upper end of the safety rope (3) is connected to the horsehead (1) of the oil pumping unit, two through holes (11) are symmetrically formed in the hanger (4), two lower ends of the safety rope (3) penetrate through the through holes (11) and extend downwards, first fixed lock sleeves (6) are arranged on the two lower ends of the safety rope (3), and the first fixed lock sleeves (6) are fixed to the safety rope (3) through fastening bolts.

3. The safety precaution protection device of the horsehead lifting rope of the pumping unit according to claim 2, characterized in that the diameter of the first fixed lock sleeve (6) is larger than the aperture of the through hole (11) on the hanger (4).

4. The safety pre-warning protection device for the horsehead lifting rope of the oil pumping unit according to claim 3, wherein the safety pre-warning mechanism comprises a fixing ring (7), a scale sleeve (8) and an indicating needle (10), the fixing ring (7) is arranged at the lower end of the lifting rope (2), the fixing ring (7) fixes the indicating needle (10) on the fixing ring (7) through a fastening screw, the scale sleeve (8) is fixedly arranged at the lower end of the safety rope (3), the direction of the indicating needle (10) points to the scale sleeve (8), and the initial position of the indicating needle (10) and the upper end of the scale sleeve (8) are on the same horizontal line.

5. The safety pre-warning protection device for the mule head lifting rope of the pumping unit according to claim 4, wherein the scale sleeve (8) is divided into a safety section, a warning section and a danger section from top to bottom.

6. The safety precaution protection device of the horsehead lifting rope of the pumping unit according to claim 4, characterized in that the distance from the upper end of the first fixed lock sleeve (6) to the lower end of the hanger (4) is equal to or greater than the height of the scale sleeve (8).