CN108204212A - A kind of adjustable rope hanging device - Google Patents

A kind of adjustable rope hanging device Download PDF

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Publication number
CN108204212A
CN108204212A CN201611176721.3A CN201611176721A CN108204212A CN 108204212 A CN108204212 A CN 108204212A CN 201611176721 A CN201611176721 A CN 201611176721A CN 108204212 A CN108204212 A CN 108204212A
Authority
CN
China
Prior art keywords
plait
mao
fixing groove
height regulating
rope hanging
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201611176721.3A
Other languages
Chinese (zh)
Inventor
王万迅
董洪青
闻伟
赖文艳
周瑞
师文嵩
张志敏
李雄
张金霞
劳丽珍
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Petrochina Co Ltd
China Petroleum and Natural Gas Co Ltd
Original Assignee
China Petroleum and Natural Gas Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by China Petroleum and Natural Gas Co Ltd filed Critical China Petroleum and Natural Gas Co Ltd
Priority to CN201611176721.3A priority Critical patent/CN108204212A/en
Publication of CN108204212A publication Critical patent/CN108204212A/en
Pending legal-status Critical Current

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Classifications

    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21BEARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B19/00Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
    • E21B19/02Rod or cable suspensions

Abstract

The invention discloses a kind of adjustable rope hanging devices, belong to oil field instrument field.The adjustable rope hanging device includes polished rod eye ontology, is symmetrical arranged that there are two for accommodating first mao of plait fixing groove, the second mao of plait fixing groove of hair plait on the side wall of the polished rod eye ontology;The adjustable rope hanging device further includes two hollow height regulating rods, and height is adjustably fixed in first mao of plait fixing groove and second mao of plait fixing groove respectively;Hair plait is connect, and the top of plummet and the bottom of height regulating rod offset after passing through the cavity of height regulating rod with plummet.The present invention moves up and down polished rod eye, hair plait is adjusted to suitable length, make to keep certain distance between polished rod eye and well head by adjusting position of two height regulating rods in first mao of plait fixing groove and second mao of plait fixing groove.In this way, ensure that the normal work of pumping unit, and time saving and energy saving, it is easy to operate.

Description

A kind of adjustable rope hanging device
Technical field
The present invention relates to oil field instrument field, more particularly to a kind of adjustable rope hanging device.
Background technology
The oil production equipment on oil field is mainly beam pumping unit at present, wherein, hair plait is main on beam pumping unit The component of bearing load is wanted, is hung on horse head, end is fixedly connected with plummet, and polished rod eye is stuck in a mao plummet for plait end On.It will appear phenomena such as basis sinks after pumping unit operating for a long time, the distance between polished rod eye and well head caused to be furthered.At this point, When pumping unit drives polished rod eye to make upper and lower move back and forth by hair plait, polished rod eye is easily made to strike the packing at well head Box causes pumping unit that cannot normally produce.Therefore, in order to ensure that pumping unit normally produces, it is necessary to the length of hair plait is adjusted, Polished rod eye is made to keep certain distance with well head.
The prior art makes polished rod eye keep certain distance with well head by replacing the hair plait of appropriate length.Wherein, hanging rope It is used to accommodate the fixing groove of hair plait on the side wall of device there are two opening.In application, pumping unit is stopped horizontality, good stop is drawn Vehicle, operating personnel are climbed at horse head the fixed screw dismantled for fixing hair plait, remove old hair plait using crane, make This mao of plait leaves the fixing groove.Then, the hair plait being of convenient length is changed, polished rod eye is made to pass through fixing groove and is stuck in the hair newly changed On plait, the fixed screw is tightened, you can the replacement to hair plait is completed, and then polished rod eye is made to keep certain distance with well head, It ensure that pumping unit can be produced normally.
Inventor has found that the prior art has at least the following problems:
The prior art makes polished rod eye keep certain distance with well head by plait of more moulting, time-consuming and laborious.
Invention content
Technical problem to be solved of the embodiment of the present invention is, provides a kind of time saving and energy saving adjustable rope hanging device. Specific technical solution is as follows:
A kind of adjustable rope hanging device, including polished rod eye ontology, on the side wall of the polished rod eye ontology be symmetrical arranged there are two For accommodating the first of hair plait mao of plait fixing groove, second mao of plait fixing groove;
The adjustable rope hanging device further includes two hollow height regulating rods, and height is adjustably fixed on described the respectively In one mao of plait fixing groove and second mao of plait fixing groove;
The hair plait is connect, and the top of the plummet and institute after passing through the cavity of the height regulating rod with plummet The bottom for stating height regulating rod offsets.
Specifically, preferably, on the inner wall of first mao of plait fixing groove and second mao of plait fixing groove It is provided with internal thread;
The height regulating rod is hollow bolt, is consolidated respectively with first mao of plait fixing groove, second mao of plait Determine slot threaded connection.
Specifically, preferably, the hollow bolt includes screw rod and the bolt head for being fixed on the screw rod lower end;
The cavity diameter of the screw rod is less than the cavity diameter of the bolt head, and the two forms annular step;
The plummet is located in the cavity of the bolt head, and top offsets with the annular step.
Specifically, preferably, first mao of plait fixing groove and second mao of plait fixing groove are U-lag;
The internal thread is arranged on the arch section of first mao of plait fixing groove and second mao of plait fixing groove Inner wall on.
Specifically, preferably, the height regulating rod is in first mao of plait fixing groove and second mao of plait Moveable distance is all higher than or equal to 5cm up and down in fixing groove.
Specifically, preferably, being provided with a longitudinal fluting on the side wall of the height regulating rod, the longitudinal fluting with The cavity of the height regulating rod is connected, for across the hair plait.
Specifically, preferably, the adjustable rope hanging device further includes multiple ring rotation friction plates snugly into each other;
The ring rotation friction plate is fixedly set on the hair plait and at the top of the plummet, and with the height The bottom of degree adjusting rod offsets.
Specifically, preferably, the ring rotation friction plate is by the first semicircular ring body being detachably connected and second Semicircular ring Object combination obtains.
Specifically, preferably, being respectively arranged with the first groove and on the bottom surface at the first semicircular ring body both ends One convex block;
The second groove and the second convex block are respectively arranged on the top surface at the second semicircular ring body both ends;
The first semicircular ring body and the second semicircular ring body are docked, the first convex block cooperation is made to be inserted into institute It states in the second groove, while the second convex block cooperation is made to be inserted into first groove.
Specifically, preferably, being provided with multiple through-holes on the ring rotation friction plate;Profit is injected in the through-hole Lubricating oil.
The advantageous effect that technical solution provided in an embodiment of the present invention is brought is:
Adjustable rope hanging device provided in an embodiment of the present invention connects after hair plait to be passed through to the cavity of height regulating rod with plummet It connects, and the bottom surface of plummet and height regulating rod is made to offset, then height is adjustably fixed on the respectively by two height regulating rods In one mao of plait fixing groove and second mao of plait fixing groove, polished rod eye is made to pass through the height regulating rod and is fixed on above plummet.This When, adjusting position of two height regulating rods in first mao of plait fixing groove and second mao of plait fixing groove (makes two height Adjusting rod moves up and down in first mao of plait fixing groove and second mao of plait fixing groove respectively), polished rod eye is moved up and down, with Hair plait is adjusted to suitable length, makes to keep certain distance between polished rod eye and well head.Pass through in this way, avoiding pumping unit Hair plait can strike the packing box at well head when polished rod eye being driven to pump, ensure that the normal work of pumping unit Make, and time saving and energy saving, it is easy to operate.
Description of the drawings
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment Attached drawing is briefly described, it should be apparent that, the accompanying drawings in the following description is only some embodiments of the present invention, for For those of ordinary skill in the art, without creative efforts, other are can also be obtained according to these attached drawings Attached drawing.
Fig. 1 is the sectional view of adjustable rope hanging device provided in an embodiment of the present invention;
Fig. 2 is the sectional view of the adjustable rope hanging device provided in an embodiment of the present invention for being provided with ring rotation friction plate;
Fig. 3 is the vertical view of adjustable rope hanging device provided in an embodiment of the present invention;
Fig. 4 is the schematic cross-section of ring rotation friction plate provided in an embodiment of the present invention.
Reference numeral represents respectively:
1 polished rod eye ontology,
101 first maos of plait fixing grooves,
102 second maos of plait fixing grooves,
2 height regulating rods,
201 annular steps,
3 ring rotation friction plates,
301 through-holes.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with attached drawing to embodiment party of the present invention Formula is described in further detail.
An embodiment of the present invention provides a kind of adjustable rope hanging devices, as shown in attached drawing 1, attached drawing 3, the adjustable rope hanging device packet Polished rod eye ontology 1 is included, arranged symmetrically on the side wall of the polished rod eye ontology 1 there are two to consolidate for accommodating first mao of plait of hair plait Determine 101, second maos of plait fixing grooves 102 of slot.Further, which further includes two hollow height regulating rods 2, it is highly adjustably fixed in first mao of plait fixing groove 101 and second mao of plait fixing groove 102 respectively;Hair plait passes through height It is connect after spending the cavity of adjusting rod 2 with plummet, and the top of plummet and the bottom of height regulating rod 2 offset.
The operation principle of adjustable rope hanging device provided in an embodiment of the present invention is as described below:
It is connect, and make the bottom surface of plummet and height regulating rod 2 with plummet after hair plait to be passed through to the cavity of height regulating rod 2 It offsets, then by two height regulating rods 2, height is adjustably fixed on first mao of plait fixing groove 101 and second mao of plait respectively In fixing groove 102, polished rod eye is made to pass through the height regulating rod 2 and is fixed on above plummet.At this point, adjust two height regulating rods 2 Position in first mao of plait fixing groove 101 and second mao of plait fixing groove 102 (makes two height regulating rods 2 respectively Moved up and down in one mao of plait fixing groove 101 and second mao of plait fixing groove 102), move up and down polished rod eye, by hair plait It adjusts to suitable length, makes to keep certain distance between polished rod eye and well head.In this way, avoiding pumping unit passes through hair plait band Dynamic polished rod eye can strike the packing box at well head when pumping, ensure that the normal work of pumping unit, and save Shi Shengli, it is easy to operate.
Wherein, the material of height regulating rod 2 is preferably 35 Lip river molybdenum steels.There is high intensity, good modeling based on 35 Lip river molybdenum steels Property, the features such as toughness and fatigue strength are high, and 35 Lip river molybdenum steels mainly for the manufacture of cross-sectional area it is larger, bear the zero of heavy load Part, the height regulating rods 2 of 35 Lip river molybdenum steel materials equally have the advantages that above-mentioned.
As preferred embodiment, on the inner wall of first mao of plait fixing groove 101 and second mao of plait fixing groove 102 It is provided with internal thread;Height regulating rod 2 be hollow bolt, respectively with first mao of plait fixing groove, 101, second maos of plait fixing grooves 102 are threadedly coupled.In application, it is connect, and make plummet and the hollow spiral shell with plummet after hair plait is passed through the cavity of hollow bolt The bottom surface of bolt offsets.At this point, rotation hollow bolt, makes first mao plait fixing groove of two hollow bolts respectively on polished rod eye 101 and second mao of plait fixing groove 102 in move up and down, and then drive polished rod eye moved in the opposite direction with the hollow bolt It is dynamic, hair plait is adjusted to suitable length, makes to keep certain distance between polished rod eye and well head.It sets by doing so, only Need to turn height regulating rod 2 can the distance between adjustment beam hanger and well head, improve work efficiency.Wherein, hollow spiral shell The internal thread on 101, second maos of 102 inner walls of plait fixing groove of external screw thread and first mao of plait fixing groove on bolt is adapted.
Connect in addition, coordinating between height regulating rod 2 and first mao of plait fixing groove 101 and second mao of plait fixing groove 102 Other realization methods can also be had to realize that height is adjustable by connecing:
For example, it is provided with unidirectional tooth on the outer wall of height regulating rod 2;First mao of plait fixing groove 101 and second mao The teeth being meshed with the unidirectional tooth are provided on the inner wall of plait fixing groove 102 so that polished rod eye on height regulating rod 2 to Upper movement, downward locking.Specifically, when pumping unit works, height regulating rod 2 is adjusted at proper height, makes list thereon It is firmly stuck in tooth in the teeth being engaged on first mao of plait fixing groove 101 and second mao of 102 inner wall of plait fixing groove, When polished rod eye pump can strike packing box when, dragging polished rod eye moved upwards on height regulating rod 2. Due to being provided with unidirectional tooth on the outer wall of height regulating rod 2, polished rod eye can all be locked automatically after often moving upwards a teeth Extremely (i.e. height regulating rod 2 can firmly be stuck in the inner wall of first mao of plait fixing groove 101 and second mao of plait fixing groove 102 On).It sets by doing so, you can realize the adjustment to the distance between polished rod eye and well head.Wherein, the knot of height regulating rod 2 Structure is adapted with the structure of first mao of plait fixing groove, 101, second maos of plait fixing grooves 102.
Preferably, the height regulating rod 2 in first mao of plait fixing groove 101 and second mao of plait fixing groove 102 to Lower moveable distance is greater than or equal to 5cm.For example, 6cm, 7cm, 8cm etc..It is understood that polished rod eye is adjusted in height It is moved upwards on bar 2, the height regulating rod 2 is in the first mao of plait fixing groove 101 and second mao of plait fixing groove 102 of polished rod eye In then move downward.Specifically, the height regulating rod 2 that unidirectional tooth is provided on two outer walls is being respectively put into first mao of plait After in fixing groove 101 and second mao of plait fixing groove 102, make the tops of two height regulating rods 2 respectively with first mao of plait The distance of 101, second maos of 102 bottom ends of plait fixing groove of fixing groove is greater than or equal to 5cm.It sets by doing so, it can be rapidly Distance between polished rod eye and well head is adjusted to suitable position, avoid mao plait length adjustment effect it is bad or can not adjust It is whole.
Further, when height regulating rod 2 is hollow bolt, including screw rod and the bolt for being fixed on the screw rod lower end Head;The cavity diameter of screw rod is less than the cavity diameter of bolt head, and the two forms annular step 201 (referring to attached drawing 1);Plummet position In in the cavity of bolt head, and top offsets with the annular step 201.By the way that the cavity diameter of screw rod is limited to less than The cavity diameter of bolt head makes plummet offset in the cavity of bolt head with annular step 201, also, makes plummet can only be It is vertically moved in the cavity of bolt head, avoids after plummet offsets with annular step 201 and move in the horizontal direction It is dynamic, position-limiting action is played to plummet.
In embodiments of the present invention, when height regulating rod 2 is hollow bolt, first mao of plait fixing groove 101 and second Hair plait fixing groove 102 is both preferably U-lag;Internal thread is arranged on first mao of plait fixing groove 101 and second mao of plait is fixed On the inner wall of the arch section of slot 102.It sets by doing so, polished rod eye is allow directly to consolidate by first mao of plait of its side wall Determine slot 101 and second mao of plait fixing groove 102 is stuck on mao plait, it is easy to operate, it is convenient and efficient.Also, make the hollow bolt It can only be moved up and down in the arch section of first mao of plait fixing groove 101 and second mao of plait fixing groove 102, ensure that sky The stability that heart bolt moves in first mao of plait fixing groove 101 and second mao of plait fixing groove 102.Wherein, U-lag refers to The shape for being the cross section of first mao of plait fixing groove 101 and second mao of plait fixing groove 102 is U-shaped.
Further, preferably, height regulating rod 2 is in first mao of plait fixing groove 101 and second mao of plait fixing groove Moveable distance is all higher than or equal to 5cm up and down in 102, for example, 6cm, 7cm, 8cm etc..Specifically, by two After height regulating rod 2 is respectively put into first mao of plait fixing groove 101 and second mao of plait fixing groove 102, make two height The top of adjusting rod 2 is big with the distance of the upper/lower terminal of first mao of plait fixing groove, 101, second maos of plait fixing grooves 102 respectively In or equal to 5cm.It setting by doing so, distance that can be preferably between polished rod eye and well head is adjusted, meanwhile, it avoids When pumping unit works, the top of height regulating rod 2 and first mao of plait fixing groove, 101, second maos of plait fixing grooves 102 Upper/lower terminal is excessively near apart, and the length adjustment effect of hair plait is bad or can not adjust.
Preferably, a longitudinal fluting is provided on the side wall of height regulating rod 2, longitudinal fluting and height regulating rod 2 Cavity is connected, for across hair plait.It sets by doing so, makes mao plait that can be directly stuck in from the side wall of height regulating rod 2 In the longitudinal fluting, operate convenient, fast.Wherein, which connects up and down, in the cavity with height regulating rod 2 U-shaped opening slot is formed after being connected, further ensuring mao plait can rapidly install or remove on height regulating rod 2.
In embodiments of the present invention, adjustable rope hanging device further include multiple ring rotation friction plates 3 snugly into each other (referring to Attached drawing 2 and attached drawing 4);The ring rotation friction plate 3 is fixedly set on mao plait and at the top of plummet, and is adjusted with height The bottom of bar 2 offsets.In application, the top of plummet is placed on after multigroup ring rotation friction plate 3 is sleeved on mao plait, Plummet is then promoted, until the ring rotation friction plate 3 of the top and the bottom of height regulating rod 2 offset.It so, it is possible to prevent Hair plait generates phenomenon of wrestling in the pumping unit course of work.Specifically, when ring rotation friction plate 3 drives by external force When making, easily rotated between the bottom of height regulating rod 2 and the top of plummet;When polished rod eye pumps, hair Plait easily rotates, and generates phenomenon of wrestling, at this point, hair plait can be rotated with ring rotation friction plate 3, until hair Plait is in normal condition, and then extends the usage time of mao plait, reduces the number of adjustment hair plait, improves work Efficiency.When height regulating rod 2 is hollow bolt, ring rotation friction plate 3 is placed in the cavity of bolt head, top and inner ring Shape step 201 offsets (referring to Fig. 2).Wherein, the material of ring rotation friction plate 3 is preferably 35 Lip river molybdenum steels.Based on 35 Lip river molybdenum steels Have the characteristics that high intensity, good plasticity, toughness and fatigue strength are high, and 35 Lip river molybdenum steels are mainly for the manufacture of cross-sectional area Part that is larger, bearing heavy load, the ring rotation friction plates 3 of 35 Lip river molybdenum steel materials equally have the advantages that above-mentioned.Ring rotation The number of friction plate 3 is preferably 2-4, for example, can be 2,3,4.It sets by doing so, makes ring rotation friction plate 3 between the bottom of height regulating rod 2 and the top of plummet it is rotatable simultaneously, ensure that the intensity of ring rotation friction plate 3 With bearing load ability, and then enable ring rotation friction plate 3 that a mao plait preferably to be driven to be rotated, further avoid Hair plait generates phenomenon of wrestling during the work time.
Further, ring rotation friction plate 3 is by the first semicircular ring body and the second semicircular ring body that are detachably connected Combination obtains.In application, the top of plummet is placed on after the first semicircular ring body is stuck on mao plait, then by the second semicircle Annular solid is stuck in the docking for realizing the two on mao plait by moving up and down.In this way, ring rotation friction plate 3 is made to prevent a mao pigtail While son is wrestled, it is easy for installation and removal, working efficiency can be improved.Wherein, the outer diameter of ring rotation friction plate 3 is small In the diameter of plummet, to ensure that ring rotation friction plate 3 can be stably placed on plummet, and with the bottom of height regulating rod 2 Portion offsets.
For how to realize being detachably connected for the first semicircular ring body and the second semicircular ring body, the embodiment of the present invention carries A kind of preferred embodiment is supplied:
The first groove and the first convex block are respectively arranged on the bottom surface at the first semicircular ring body both ends;Second semi-circular shape The second groove and the second convex block are respectively arranged on the top surface at body both ends;By the first semicircular ring body and the second semicircular ring body pair It connects, the cooperation of the first convex block is made to be inserted into the second groove, while the cooperation of the second convex block is made to be inserted into the first groove.It sets by doing so It puts, makes the first semicircular ring body and the second semicircular ring body that can only vertically install or remove, it is impossible to pacify in the horizontal direction Dress or dismounting, it is simple in structure, it is easy to operate.If it is understood that on the top surface at the first semicircular ring body both ends respectively The first groove and the first convex block are provided with, the second groove and second are respectively arranged on the bottom surface at the second semicircular ring body both ends Convex block is also possible, as long as the first semicircular ring body and the second semicircular ring body can be made to dock up and down, will not be in level side To separating, and can firmly be stuck on mao plait.
It is possible to further be provided with coarse structure on the inner wall of the first semicircular ring body and the second semicircular ring body, Specifically, for the ease of preparing, while ensure its roughness, which is set as multiple dot bulges, and the point The height of projection of shape protrusion is preferably 0.5mm-1.5mm, for example, 0.5mm, 0.6mm, 0.7mm, 0.8mm, 0.9mm, 1.0mm etc. Deng.It sets by doing so, ring rotation friction plate 3 is enable firmly to be clamped on mao plait, and then ensure that mao plait turns Ring rotation friction plate 3 can be driven to rotate together when dynamic.In addition, in the surface of ring rotation friction plate 3 and height regulating rod 2 Wear-resisting lubricant coating is both provided on the face to offset with it.Specifically, in the environment of ambient temperature and moisture, by ring rotation friction plate 3 surface and 2 bottom surface of height regulating rod carry out clearly rust, edible vegetable oil, remove contamination, then to the surface of ring rotation friction plate 3 with highly 2 bottom surface of adjusting rod carries out blasting treatment, then using the surface and height that coating is coated onto to ring rotation friction plate 3 the methods of spraying 2 bottom surface of adjusting rod.In this way, further improve the wearability and light of ring rotation friction plate 3 and 2 bottom of height regulating rod Slippage degree.Wherein, wear-resisting lubricant coating is common for this field, and those skilled in the art can be obtained by purchased in market, citing For, can be the wear-resisting lubricant coating of the model ZX-4TF of Jiaxing Zhong Xin new material technologies Co., Ltd sale.
Further, preferably, as shown in Figure 4, multiple through-holes 301 are provided on ring rotation friction plate 3;Through-hole Lubricating oil is injected in 301.By the injection lubricating oil in the through-hole 301, efficiently reduce multiple ring rotation friction plates 3 it Between, between ring rotation friction plate 3 and plummet, the frictional force between 2 bottom of ring rotation friction plate 3 and height regulating rod, from And make ring rotation friction plate 3 more smooth when rotated, mao plait is further prevented to generate phenomenon of wrestling.By each half Multiple a through-holes 301 are opened up on cylindrical ring body, it is more convenient when making injection lubricating oil.
The foregoing is merely presently preferred embodiments of the present invention, the protection domain being not intended to limit the invention, all in this hair Within bright spirit and principle, any modification, equivalent replacement, improvement and so on should be included in protection scope of the present invention Within.

Claims (10)

1. a kind of adjustable rope hanging device including polished rod eye ontology (1), is symmetrically arranged on the side wall of the polished rod eye ontology (1) Two first mao of plait fixing groove (101), the second mao of plait fixing groove (102) for being used to accommodate hair plait;
It is characterized in that, the adjustable rope hanging device further includes two hollow height regulating rods (2), height is adjustably solid respectively It is scheduled in first mao of plait fixing groove (101) and second mao of plait fixing groove (102);
The hair plait is connect, and the top of the plummet and institute after passing through the cavity of the height regulating rod (2) with plummet The bottom for stating height regulating rod (2) offsets.
2. adjustable rope hanging device according to claim 1, which is characterized in that first mao of plait fixing groove (101) and Internal thread is both provided on the inner wall of second mao of plait fixing groove (102);
The height regulating rod (2) be hollow bolt, respectively with first mao of plait fixing groove (101), second mao of pigtail Sub- fixing groove (102) is threadedly coupled.
3. adjustable rope hanging device according to claim 2, which is characterized in that the hollow bolt includes screw rod and is fixed on The bolt head of the screw rod lower end;
The cavity diameter of the screw rod is less than the cavity diameter of the bolt head, and the two forms annular step (201);
The plummet is located in the cavity of the bolt head, and top offsets with the annular step (201).
4. adjustable rope hanging device according to claim 2, which is characterized in that first mao of plait fixing groove (101) and Second mao of plait fixing groove (102) is U-lag;
The internal thread is arranged on the arc of first mao of plait fixing groove (101) and second mao of plait fixing groove (102) On the inner wall of shape part.
5. adjustable rope hanging device according to claim 1, which is characterized in that the height regulating rod (2) is described first Hair plait fixing groove (101) and second mao of plait fixing groove (102) in up and down moveable distance be all higher than or Equal to 5cm.
6. adjustable rope hanging device according to claim 1, which is characterized in that opened on the side wall of the height regulating rod (2) There is a longitudinal fluting, the longitudinal fluting is connected with the cavity of the height regulating rod (2), for across the hair pigtail Son.
7. adjustable rope hanging device according to claim 1, which is characterized in that the adjustable rope hanging device further include it is multiple that This ring rotation friction plate (3) being close to;
The ring rotation friction plate (3) is fixedly set on the hair plait and at the top of the plummet, and with the height The bottom of degree adjusting rod (2) offsets.
8. adjustable rope hanging device according to claim 7, which is characterized in that the ring rotation friction plate (3) is by removable The the first semicircular ring body and the second semicircular ring Object combination for unloading connection obtain.
9. adjustable rope hanging device according to claim 8, which is characterized in that the bottom surface at the first semicircular ring body both ends On be respectively arranged with the first groove and the first convex block;
The second groove and the second convex block are respectively arranged on the top surface at the second semicircular ring body both ends;
The first semicircular ring body and the second semicircular ring body are docked, the first convex block cooperation is made to be inserted into described the In two grooves, while the second convex block cooperation is made to be inserted into first groove.
10. adjustable rope hanging device according to claim 8, which is characterized in that set on the ring rotation friction plate (3) There are multiple through-holes (301);
Lubricating oil is injected in the through-hole (301).
CN201611176721.3A 2016-12-19 2016-12-19 A kind of adjustable rope hanging device Pending CN108204212A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201611176721.3A CN108204212A (en) 2016-12-19 2016-12-19 A kind of adjustable rope hanging device

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Application Number Priority Date Filing Date Title
CN201611176721.3A CN108204212A (en) 2016-12-19 2016-12-19 A kind of adjustable rope hanging device

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CN108204212A true CN108204212A (en) 2018-06-26

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CN202360047U (en) * 2011-12-08 2012-08-01 河南长江石油机械有限公司 Adjustable power-measurement type rope hanging device of tower type pumping unit
CN202810705U (en) * 2012-09-08 2013-03-20 中国石油化工股份有限公司 Adjustable rope hanger for hair braids of oil pumping machine
CN202970532U (en) * 2012-11-17 2013-06-05 濮阳市信宇石油机械化工有限公司 Beam hanger
CN203669785U (en) * 2013-11-19 2014-06-25 李刚 Winding-preventing beam hanger of pumping unit
CN204175206U (en) * 2014-07-20 2015-02-25 李世銮 A kind of polished rod eye
CN204941476U (en) * 2015-09-13 2016-01-06 李世銮 A kind of adjusting part of beam-pumping unit hair plait length

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2777179Y (en) * 2005-02-02 2006-05-03 于长林 Anti-escaped mule-head hanger
CN202360047U (en) * 2011-12-08 2012-08-01 河南长江石油机械有限公司 Adjustable power-measurement type rope hanging device of tower type pumping unit
CN202810705U (en) * 2012-09-08 2013-03-20 中国石油化工股份有限公司 Adjustable rope hanger for hair braids of oil pumping machine
CN202970532U (en) * 2012-11-17 2013-06-05 濮阳市信宇石油机械化工有限公司 Beam hanger
CN203669785U (en) * 2013-11-19 2014-06-25 李刚 Winding-preventing beam hanger of pumping unit
CN204175206U (en) * 2014-07-20 2015-02-25 李世銮 A kind of polished rod eye
CN204941476U (en) * 2015-09-13 2016-01-06 李世銮 A kind of adjusting part of beam-pumping unit hair plait length

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Application publication date: 20180626

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