CN209539291U - Hydraulic locking apparatus - Google Patents

Hydraulic locking apparatus Download PDF

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Publication number
CN209539291U
CN209539291U CN201920843343.2U CN201920843343U CN209539291U CN 209539291 U CN209539291 U CN 209539291U CN 201920843343 U CN201920843343 U CN 201920843343U CN 209539291 U CN209539291 U CN 209539291U
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CN
China
Prior art keywords
safety door
pushing
door assembly
reversal valve
flexible axle
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Active
Application number
CN201920843343.2U
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Chinese (zh)
Inventor
李红卫
宋东
姜涛
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.)
Dongying Yuan Jie Petroleum Machinery Co Ltd
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Dongying Yuan Jie Petroleum Machinery Co Ltd
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Priority to CN201920843343.2U priority Critical patent/CN209539291U/en
Application granted granted Critical
Publication of CN209539291U publication Critical patent/CN209539291U/en
Active legal-status Critical Current
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Abstract

The utility model relates to a kind of hydraulic locking apparatus.Its technical solution is: being equipped with safety door assembly in the side of Power Tong ontology, the safety door assembly connects one end of pushing-pulling flexible shaft by the first connecting plate, the other end of the pushing-pulling flexible shaft is connect by protective case with the second connecting plate, and pushing-pulling flexible shaft is connected to flexible axle reversal valve by signal wire, the flexible axle reversal valve is built up at the hand-operated direction valve oil inlet and oil return mouth of Power Tong, it is linked by pushing-pulling flexible shaft and safety door assembly, when safety door assembly one is opened, pushing-pulling flexible shaft drives the commutation of flexible axle reversal valve, the direct oil return box of hydraulic oil, Power Tong will shut down at once;Only when safety door assembly is closed, Power Tong could be worked normally, to realize the protection that links between safety door and hydraulic circuit.

Description

Hydraulic locking apparatus
Technical field
The utility model relates to a kind of Power Tong of petroleum industry, in particular to a kind of hydraulic locking apparatus.
Background technique
The screw thread that operator is maximum during well workover, most hard work amount is upper oil discharge pipe tool and drilling tool, past one Directly use pipe wrench or chain wrench, not only large labor intensity, but also dangerous property.The hydraulic power tongs of well workover are to utilize well workover mechanomotive force Operation mechanically, unload screw thread tool, can greatly mitigate the labor intensity of well workover worker, avoid or reduce injury accident Occur.Meanwhile the torsion of hydraulic power tongs reinforced pipe tool, thread of drilling tool, reduce the generation of pipe tool, drilling tool tripping accident.
The working principle of well workover hydraulic power tongs is the hydraulic motor for the power of workover rig being passed to hydraulic power tongs Through stroke retarder, then through two-stage or primary speed-down, makes binding clip opening gear rotation, two kinds of revolving speeds of height are generated, thus band Dynamic pipe tool (drilling tool) rotation.But existing Power Tong is the problem is that cannot in real time reliably protect operator, appearance Easily there is safety accident.
Utility model content
The purpose of this utility model provides a kind of hydraulic locking apparatus aiming at drawbacks described above of the existing technology, Power Tong implementation is reliably protected in real time, ensures the safety of operator.
Its technical solution is: including safety door assembly (1), the first connecting plate (4), pushing-pulling flexible shaft (9), protective case (10), Second connecting plate (12), protective cover (15), bent sub (20), tail connector (21), flexible axle reversal valve (23), variable buckle connector (24), First valve fixed plate (25), the second valve fixed plate (26), sebific duct (28) and short circuit head (29), are equipped in the side of Power Tong ontology Safety door assembly (1), the safety door assembly (1) connects the one end of pushing-pulling flexible shaft (9) by the first connecting plate (4), described to push away The other end of flexible axle (9) is drawn to connect by protective case (10) with the second connecting plate (12), and pushing-pulling flexible shaft (9) is connected by signal wire It is connected to flexible axle reversal valve (23), the flexible axle reversal valve (23) is built up at the hand-operated direction valve oil inlet and oil return mouth of Power Tong, passes through Pushing-pulling flexible shaft (9) and safety door assembly (1) are linked, and when safety door assembly (1) one is opened, pushing-pulling flexible shaft (9) drives flexible axle commutation Valve (23) commutation, the direct oil return box of hydraulic oil, Power Tong will shut down at once;Only when safety door assembly (1) is closed, Power Tong could work normally, to realize the protection that links between safety door and hydraulic circuit.
Preferably, the upside of above-mentioned flexible axle reversal valve (23) is equipped with bent sub (20) and tail connector (21), changes in flexible axle Variable buckle connector (24) are connected to the right end of valve (23).
Preferably, connected in the downside of flexible axle reversal valve (23) by the first valve fixed plate (25) and the second valve fixed plate (26) It connects on the right shell of Power Tong ontology.
Preferably, the right end of flexible axle reversal valve (23) passes through one end of variable buckle connector (24) connection rubber tube (28), sebific duct (28) other end short circuit head (29).
Preferably, the outer end of short circuit head (29) connects hollow bolt (30).
Preferably, the downside of short circuit head (29) is equipped with logical oil draining bolt (31).
The beneficial effects of the utility model are: the utility model passes through pushing-pulling flexible shaft and safe door linkage, when safety door one It opens, pushing-pulling flexible shaft drives the commutation of flexible axle reversal valve, and the direct oil return box of hydraulic oil, Power Tong will shut down at once;Only When safety door is closed, Power Tong could be worked normally, to realize the protection that links between safety door and hydraulic circuit.
Detailed description of the invention
Attached drawing 1 is the structural schematic diagram of the utility model;
Attached drawing 2 is the structural schematic diagram of sebific duct;
Attached drawing 3 is the side view of safety door assembly;
Attached drawing 4 is the structural schematic diagram of safety door assembly;
Attached drawing 5 is the structural schematic diagram of flexible axle reversal valve;
Attached drawing 6 is the structural schematic diagram of pushing-pulling flexible shaft;
In upper figure: safety door assembly 1, the first spring washer 3, the first connecting plate 4, pin shaft 5, is opened first hexagon-headed bolt 2 Mouthful pin 6, connector 7, thin nut 8, pushing-pulling flexible shaft 9, protective case 10, the first hex nut 11, six in the second connecting plate 12, first Angle fillister head screw 13, second spring washer 14, protective cover 15, third spring washer 16, in the second hexagon-headed bolt 17, second Hexagonal cylindrical head screw 18, the second hex nut 19, bent sub 20, tail connector 21, O shape sealing ring 22, flexible axle reversal valve 23, Variable buckle connector 24, the first valve fixed plate 25, the second valve fixed plate 26, third hexagon socket cap head screw 27, sebific duct 28, short circuit head 29, hollow bolt 30, logical oil draining bolt 31.
Specific embodiment
It is illustrated below in conjunction with preferred embodiment of the attached drawing to the utility model, it should be understood that described herein excellent It selects embodiment to be only used for describing and explaining the present invention, is not used to limit the utility model.
Embodiment 1, a kind of hydraulic locking apparatus that the utility model is mentioned, including safety door assembly 1, the first connecting plate 4, Pushing-pulling flexible shaft 9, protective case 10, the second connecting plate 12, protective cover 15, bent sub 20, tail connector 21, flexible axle reversal valve 23, variable buckle Connector 24, the first valve fixed plate 25, the second valve fixed plate 26, sebific duct 28 and short circuit head 29, are equipped in the side of Power Tong ontology Safety door assembly 1, the safety door assembly 1 connect one end of pushing-pulling flexible shaft 9 by the first connecting plate 4, the pushing-pulling flexible shaft 9 The other end is connect by protective case 10 with the second connecting plate 12, and pushing-pulling flexible shaft 9 is connected to flexible axle reversal valve 23 by signal wire, The flexible axle reversal valve 23 is built up at the hand-operated direction valve oil inlet and oil return mouth of Power Tong, passes through pushing-pulling flexible shaft 9 and safety door assembly 1 Linkage, when safety door assembly 1 one is opened, pushing-pulling flexible shaft 9 drives flexible axle reversal valve 23 to commutate, the direct oil return box of hydraulic oil, power Pincers will shut down at once;Only when safety door assembly 1 is closed, Power Tong could be worked normally, to realize safety It links and protects between door and hydraulic circuit.
Wherein, the upside of flexible axle reversal valve 23 is equipped with bent sub 20 and tail connector 21, connects in the right end of flexible axle reversal valve 23 Connect variable buckle connector 24;Power is connected to by the first valve fixed plate 25 and the second valve fixed plate 26 in the downside of flexible axle reversal valve 23 On the right shell for clamping ontology;The right end of flexible axle reversal valve 23 passes through one end of 24 connection rubber tube 28 of variable buckle connector, sebific duct 28 Other end short circuit head 29.
In addition, the outer end of short circuit head 29 connects hollow bolt 30, the downside of short circuit head 29 is equipped with logical oil draining bolt 31.
The installation method for the hydraulic locking apparatus that the utility model is mentioned is as follows:
1. the first step removes old safety door installation Novel safety door assembly;2. second step, installation gate valve;3. third step, Connection rubber tube;4. the 4th step connects flexible axle;5. debugging.
Wherein, flexible axle commutation valve portion installation and debugging step is as follows:
1. the second valve fixed plate 26 is mounted in the first valve fixed plate 25, and fasten;
2. unclamping motor fastening nut, valve fixed plate is loaded onto, and fastens;
3. flexible axle reversal valve 23 is mounted in valve fixed plate, and fasten;
4. pushing-pulling flexible shaft 9 is mounted in valve fixed plate 2;
5. flexible axle change-over valve core is pushed up, pushing-pulling flexible shaft vertical is screwed into spool, and tightens thin nut 8 and the one or six Angle nut 11;
6. being installed to flexible axle both ends, after spool stroke adjustment is suitable, protective cover 15 is mounted in valve fixed plate, and Fastening.
In addition, the safe door section installation steps of gating device are as follows:
1. replacing original safety door with the safety door assembly 1 of transformation;
2. connecting plate 4 is mounted on safety door, and fasten;
3. connecting plate 12 is mounted on binding clip to cover, and fasten;
4. protective case 10 and pushing-pulling flexible shaft are mounted on connecting plate;
5. connector 7 is mounted on pushing-pulling flexible shaft;
6. safety door is allowed to be in close state, flexible axle change-over valve core is above pushed away, and connector is adjusted to suitable position, uses pin 5 fixed connector of axis and connecting plate, tighten protective case and hex nut.The position of adjusting the first connecting plate and hex nut can be passed through Setting connects pushing-pulling flexible shaft and connector smoothly.Spool pick up height is adjusted by adjusting the position of hex nut, guarantees that it is big Small 8.5mm or so.Whether switch safety door, observation spool stroke are moderate.Thin nut is tightened if moderate, prevents flexible axle loose It is dynamic.
In addition, oil circuit is installed, short circuit head 29, hollow bolt 30, logical oil draining bolt 31 pay attention to installing the sealing of O shape additional when installing Circle prevents oil leak, when installing sebific duct 28, pays attention to A mouthfuls, B mouthfuls of sequences.
Flexible axle is fixed on shown position by the binding of pushing-pulling flexible shaft nylon cable tie or iron wire, reaches the mesh for not influencing operation 's.
In addition, the process of debugging with pressure is as follows:
Gating device after the installation is completed, connect hydraulic station, pay attention to oil inlet and oil return mouth position.Free-runing operation Power Tong, as long as Safety door one is opened, and Power Tong will shut down at once;As soon as safety door is closed, Power Tong can be worked normally.If safety door It closes but the Power Tong speed of service is slower, it may be possible to which spool is not adjusted in place;If Power Tong positive and negative rotation is reverse, it may be possible to oil inlet and oil return Mouth is reversed;If safety door is opened but Power Tong can work normally, safety door closes Power Tong cisco unity malfunction, it may be possible to A, B Two hydraulic fluid ports are reversed.
The above is only the part preferred embodiment of the utility model, anyone skilled in the art Equivalent technical solution can be modified or is revised as using the technical solution of above-mentioned elaboration.Therefore, practical new according to this Any simple modification or substitute equivalents that the technical solution of type is carried out belong to the greatest extent the range of the requires of the utility model protection.

Claims (6)

1. a kind of hydraulic locking apparatus, it is characterized in that: include safety door assembly (1), the first connecting plate (4), pushing-pulling flexible shaft (9), Protective case (10), protective cover (15), bent sub (20), tail connector (21), flexible axle reversal valve (23), becomes the second connecting plate (12) Buckle joint (24), the first valve fixed plate (25), the second valve fixed plate (26), sebific duct (28) and short circuit head (29), in Power Tong sheet The side of body is equipped with safety door assembly (1), and the safety door assembly (1) passes through the first connecting plate (4) connection pushing-pulling flexible shaft (9) The other end of one end, the pushing-pulling flexible shaft (9) is connect by protective case (10) with the second connecting plate (12), and pushing-pulling flexible shaft (9) It is connected to flexible axle reversal valve (23) by signal wire, the flexible axle reversal valve (23) is built up in the hand-operated direction valve of Power Tong into returning Oil port is linked by pushing-pulling flexible shaft (9) and safety door assembly (1), when the opening of safety door assembly (1) one, pushing-pulling flexible shaft (9) band Dynamic flexible axle reversal valve (23) commutation, the direct oil return box of hydraulic oil, Power Tong will shut down at once;Only in safety door assembly (1) when closing, Power Tong could be worked normally, to realize the protection that links between safety door and hydraulic circuit.
2. hydraulic locking apparatus according to claim 1, it is characterized in that: the upside of the flexible axle reversal valve (23) is equipped with Bent sub (20) and tail connector (21) connect variable buckle connector (24) in the right end of flexible axle reversal valve (23).
3. hydraulic locking apparatus according to claim 1, it is characterized in that: passing through first in the downside of flexible axle reversal valve (23) Valve fixed plate (25) and the second valve fixed plate (26) are connected on the right shell of Power Tong ontology.
4. hydraulic locking apparatus according to claim 2, it is characterized in that: the right end of flexible axle reversal valve (23) is connect by variable buckle One end of head (24) connection rubber tube (28), the other end short circuit head (29) of sebific duct (28).
5. hydraulic locking apparatus according to claim 4, it is characterized in that: the outer end of short circuit head (29) connects hollow bolt (30).
6. hydraulic locking apparatus according to claim 4, it is characterized in that: the downside of short circuit head (29) is equipped with logical oil draining bolt (31).
CN201920843343.2U 2019-06-05 2019-06-05 Hydraulic locking apparatus Active CN209539291U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201920843343.2U CN209539291U (en) 2019-06-05 2019-06-05 Hydraulic locking apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201920843343.2U CN209539291U (en) 2019-06-05 2019-06-05 Hydraulic locking apparatus

Publications (1)

Publication Number Publication Date
CN209539291U true CN209539291U (en) 2019-10-25

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ID=68246912

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201920843343.2U Active CN209539291U (en) 2019-06-05 2019-06-05 Hydraulic locking apparatus

Country Status (1)

Country Link
CN (1) CN209539291U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110206501A (en) * 2019-06-05 2019-09-06 东营市元捷石油机械有限公司 Hydraulic locking apparatus

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110206501A (en) * 2019-06-05 2019-09-06 东营市元捷石油机械有限公司 Hydraulic locking apparatus

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GR01 Patent grant
GR01 Patent grant
CB03 Change of inventor or designer information
CB03 Change of inventor or designer information

Inventor after: Li Hongwei

Inventor before: Li Hongwei

Inventor before: Song Dong

Inventor before: Jiang Tao