CN203412527U - Self-propelled small-tonnage guy-rope-free hydraulic disc-brake workover rig - Google Patents
Self-propelled small-tonnage guy-rope-free hydraulic disc-brake workover rig Download PDFInfo
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- CN203412527U CN203412527U CN201320526600.2U CN201320526600U CN203412527U CN 203412527 U CN203412527 U CN 203412527U CN 201320526600 U CN201320526600 U CN 201320526600U CN 203412527 U CN203412527 U CN 203412527U
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- hydraulic
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- control system
- disc brake
- derrick
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Abstract
The utility model relates to a self-propelled small-tonnage guy-rope-free hydraulic disc-brake workover rig, which comprises a cab, an automobile chassis, an engine, a full-power power takeoff device, a lift box, a hydraulic speed changer, an angle transmission case, a winch unit, a winch operating room, an air-control system, an electric control system, a hydraulic control system and a derrick system, wherein the engine is connected with a shaft of the full-power power takeoff device; the full-power power takeoff device is connected with a shaft of the lift box, and the engine transfers the power to the lift box through the full-power power takeoff device; the hydraulic control system comprises a wellhead power tool, a hydraulic oil cylinder and a hydraulic disc brake. The winch unit is braked through the hydraulic disc brake, and the hydraulic disc brake is installed on the winch unit. The hydraulic control system comprises a high-emission hydraulic oil pump and a low-emission hydraulic oil pump, and the two hydraulic oil pumps are used for supplying power to the hydraulic control system after being serially connected with each other. The derrick system is a guy-rope-free derrick system and further comprises a derrick supporting leg hydraulic cylinder. The in-situ environment applicability is strong, the auxiliary operation time is saved, the labor intensity is alleviated, the operation efficiency is improved, and the lift safety of a guy-rope-free derrick can be improved.
Description
Technical field
The utility model relates to a kind of petroleum well workover operation construction machinery, is specifically related to a kind of self-propelled little tonnage without guy wire hydraulic disc brake workover rig.
Background technology
Petroleum well servicing rig is the construction machinery using in petroleum well workover operation, and oil field at home well workover at present be take small-sized workover rig as main, and its power transmission form mainly contains two kinds:
1: off-axis power taking+lift case+right angle gear box+band brake winch+hook block;
2: off-axis power taking+band pump box+Hydrodynamic transmission+right angle gear box+band brake winch+hook block.
The first small-sized workover rig power delivery mode is: machine driving, and cost of production is low, but larger to the damage of automobile chassis, affects the application life of automobile chassis;
The second small-sized workover rig power delivery mode is: mechanical-hydraulic transmission, increased Hydrodynamic transmission, and by hydraulic pump, to hydraulic jack and hydraulic moment variator, provide power simultaneously, energy loss is large, has increased cost of production.
The derrick that above-mentioned two kinds of small-sized workover rigs adopt is: have guy wire derrick, operation time is long, labour intensity is large, inefficiency;
The brake that above-mentioned two kinds of small-sized workover rigs adopt is: band brake, low cost of manufacture, easily adjusts, but braking moment compared with little, sensitiveness is not high, labor strength is large.
Utility model content
The purpose of this utility model is to provide a kind of stable performance, safe and reliable, simple operation, can increase work efficiency, reduce labour intensity and adapt to the small-sized self-walking workover rig of complicated geographical environment.
Self-propelled little tonnage of the present utility model, without guy wire hydraulic disc brake workover rig, comprises driver's cabin, automobile chassis, motor, Full-power takeoff, lift case, Hydrodynamic transmission, right angle gear box, winch unit, winch operating room, pneumatic control system, electric-control system, hydraulic control system, derrick system.
Driver's cabin is positioned at automobile chassis front portion;
Motor is connected with Full-power takeoff axle, and Full-power takeoff is connected with lift case axle, and motor passes to lift case by power by Full-power takeoff;
Lift case is connected by universal joint with Hydrodynamic transmission, and transmission of power is arrived to Hydrodynamic transmission;
Hydrodynamic transmission power output shaft is connected with the power input shaft of right angle gear box by constant velocity cardan joint;
Right angle gear box by chain transmission by transmission of power the winch drum to winch unit;
Winch unit is the Major Systems parts on workover rig, for the lifting operation of well workover process;
Hydraulic control system is to utilize fluid pressure line that each Hydraulic Elements in system are coupled together, and controls hydraulic power output, comprises well head power tool, hydraulic jack,
Wherein, well head power tool comprises hydraulic tongs, hydraulic small winch provided and overflow valve, bigeminy valve,
Hydraulic jack comprises telescoping cylinder, the cylinder that hoists, supporting leg fluid cylinder, eight valves, bidirectional hydraulic lock, non-adjustable restrictor, one way valve;
Derrick system is one of critical component of workover rig, for erecting equipment and instrument are installed, are used for removing and deposit drill pipe of oil well, oil pipe etc.
Preferably, winch unit is that hydraulic disc brake winch unit adopts hydraulic disc brake to brake, and hydraulic disc brake is arranged on winch unit, plays braking action; Hydraulic disc brake braking moment is large, sensitiveness is high, safe and reliable, compact conformation, easy to maintenance.
Hydraulic control system also comprises hydraulic disc brake, and this hydraulic disc brake comprises working clamp, safety tongs, parking brake valve, Pneumatic reversal valve, emergency brake, gas control reversing air valve, brake valve, pilot operated directional control valve, accumulator, overflow valve;
Hydraulic disc brake is to rotate for braking the winch drum of winch unit, and overflow valve has guaranteed to coil the constant pressure of the system of stopping, and accumulator can be realized when externally oil circuit breaks down, and realizes four to five brakes, has greatly improved safety;
More preferably, hydraulic control system comprises a large discharge capacity hydraulic oil pump and a small displacement hydraulic oil pump, is connected, and provides power to hydraulic control system after two hydraulic oil pump series connection by pipeline with well head power tool, hydraulic jack, the hydraulic disc brake of hydraulic control system.When hydraulic control system is from Hydrodynamic transmission power taking mouth obtains power, the startup stage of hydraulic jack, two hydraulic oil pumps are worked simultaneously, and after hydraulic jack stretches out, small displacement oil pump works independently, for hydraulic disc brake provides power.The requirement of system main fluid path to flow can be met like this, the requirement of hydraulic disc brake to stability can be met again.
Preferably, derrick system is without guy wire derrick system, and site environment strong adaptability is saved subsidiary operation time, reduces labour intensity, improves operating efficiency.
More preferably, the hydraulic jack of hydraulic control system also further comprises derrick leg fluid cylinder, and derrick leg fluid cylinder is connected to hydraulic control system by pipeline, has increased the safety without guy wire derrick lifting.
Preferably, driver's cabin adopts the low top of special purpose vehicle, oil field driver's cabin, can reduce car load height and car load center of gravity, guarantees trafficability characteristic, stability and the safety of vehicle.
Off-axis power taking mode has been abandoned in the use of Full-power takeoff, to automobile chassis not damaged;
Adopt Hydrodynamic transmission to make compact conformation, high efficient and reliable, easy operating, be convenient to the Long-distance Control of winch gear.
Hydraulic disc brake winch unit adopts hydraulic disc brake to brake, and its braking moment is large, sensitiveness is high, safe and reliable, compact conformation, easy to maintenance;
Hydraulic control system adopts two series connection hydraulic oil pumps for liquid-way system provides power, reduces energy consumption, compact conformation, can meet the requirement of system main fluid path to flow, can meet again the requirement of hydraulic disc brake to stability.
Without the application of guy wire derrick system, make workover rig to site environment strong adaptability, save subsidiary operation time, reduce labour intensity, improve operating efficiency.
Accompanying drawing explanation
Accompanying drawing 1 is structural representation of the present utility model.
Accompanying drawing 2 is hydraulic control system schematic diagram of the present utility model.
Reference numeral explanation
101 driver's cabins
102 automobile chassises
103 motors
104 Full-power takeoffs
105 hydraulic control systems
106 lift casees
107 Hydrodynamic transmissions
1081 large discharge capacity hydraulic oil pumps
1082 small displacement hydraulic oil pumps
109 right angle gear boxs
110 winch unit
111 winch operating rooms
112 without guy wire derrick system
I well head power tool
1 hydraulic tongs
2 hydraulic small winch provideds
3 overflow valves
4 bigeminy valves
II hydraulic jack
5 telescoping cylinders
6 cylinders that hoist
7 supporting leg fluid cylinders
8 derrick leg fluid cylinders
9 eight valves
10 bidirectional hydraulic locks
11 non-adjustable restrictors
12 one way valves
III hydraulic disc brake
13 working clamps
14 safety tongs
15 parking brake valves
16 Pneumatic reversal valves
17 emergency brakes
18 gas control reversing air valves
19 brake valves
20 pilot operated directional control valves
21 accumulators
22 overflow valves
The specific embodiment
For the ease of persons skilled in the art, understand and realize the utility model, now describing by reference to the accompanying drawings the utility model one specific embodiment.
Self-propelled little tonnage is as shown in Figure 1 without guy wire hydraulic disc brake workover rig, comprises driver's cabin 101, automobile chassis 102, motor 103, Full-power takeoff 104, lift case 106, Hydrodynamic transmission 107, right angle gear box 109, winch unit 110, winch operating room 111, pneumatic control system (not shown), electric-control system (not shown), hydraulic control system 105, without guy wire derrick system 112.
Driver's cabin 101 is positioned at automobile chassis 102 front portions, adopts the low top of special purpose vehicle, oil field driver's cabin;
Automobile chassis 102 is for meeting the general two class chassis of state's four standards;
Motor 103 by Full-power takeoff 104 by transmission of power to lift case 106, be arranged on the front portion of automobile chassis 102;
Lift case 106 is connected by universal joint with Hydrodynamic transmission 107, and transmission of power is arrived to Hydrodynamic transmission;
Hydrodynamic transmission 107 power output shafts are connected with the power input shaft of right angle gear box 109 by constant velocity cardan joint;
Right angle gear box 109 by chain transmission by transmission of power the winch drum (not shown) to winch unit 110;
Winch operating room 111 is positioned at the top in automobile chassis 102 left sides, rear portion;
As shown in Figure 2, hydraulic control system 105 comprises well head power tool I, hydraulic jack II, hydraulic disc brake III, large discharge capacity hydraulic oil pump 1081, small displacement hydraulic oil pump 1082.
Wherein, well head power tool I comprises hydraulic tongs 1, hydraulic small winch provided 2 and overflow valve 3, bigeminy valve 4;
Hydraulic jack II comprises telescoping cylinder 5, the cylinder 6 that hoists, supporting leg fluid cylinder 7, derrick leg fluid cylinder 8, eight valves 9, bidirectional hydraulic lock 10, non-adjustable restrictor 11, one way valve 12;
Hydraulic disc brake III comprises working clamp 13, safety tongs 14, parking brake valve 15, Pneumatic reversal valve 16, emergency brake 17, gas control reversing air valve 18, brake valve 19, pilot operated directional control valve 20, accumulator 21, overflow valve 22;
Well head power tool I and hydraulic jack II keep constant by overflow valve 3.
By the bigeminy valve 4 of manual operation well head power tool I or eight valves 9 of hydraulic jack II, make the liquid of well head power tool I or hydraulic jack II realize commutation, thereby make hydraulic small winch provided 2 forward and backwards, make hydraulic tongs 1 realize the work of upper shackle, make telescoping cylinder 5, the cylinder 6 that hoists, supporting leg fluid cylinder 7 realize and stretch out and regain;
The oil circuit of cylinder 6 of hoisting is used the combination of bidirectional hydraulic lock 10 and non-adjustable restrictor 11 and one way valve 12, thereby can fast lifting while realizing derrick telescoping, during falling, can land stably;
Hydraulic disc brake III is used for braking the winch drum of winch unit 110, and wherein, overflow valve 22 has guaranteed to coil the constant pressure of the system of stopping, and accumulator 21 can be realized when externally oil circuit breaks down, and realizes four to five brakes, the safety that has greatly improved workover rig.
This device has following four kinds of functions:
A) service braking
Service braking is realized by brake valve 19, by operation brake valve 19, thereby for workover rig provides size adjustable brake torque, meets the requirement of different operating modes such as sending brill, make a trip.Brake valve 19 is manual proportional pressure-reducing valve, and the output pressure of brake valve is ratio to be changed along with pulling brake lever.Brake lever is when diverse location, and the output pressure of brake valve changes to maximum system pressure by 0.Brake lever pulls angle larger, and the pressure of working clamp oil cylinder is just larger.Brake lever is shifted home position onto, and valve output pressure is 0, and working clamp declutches.
B) brake hard
Brake hard is controlled by emergency brake 17, and this valve is a hand reversing air valve, when in case of emergency, while pressing emergency brake 17, cuts off source of the gas, and Pneumatic reversal valve 16 spring resets are realized safety tongs 14 brakings; Meanwhile, pilot operated directional control valve 20 commutates because of control end decompression, and pressure oil directly enters working clamp 13, realizes working clamp 13 brakings.When emergency, by controlling emergency brake 17, make working clamp 13, safety tongs 14 all participate in braking realizing snub.
C) protection of pulleying/anti-collision
When hook lifting heavy rises to certain position, due to operate miss or other reason, should service braking and while not implementing braking, pulleying valve (not shown) or anti-collision valve (not shown) can send signal, make 18 commutations of gas control reversing air valve, working clamp 13 and safety tongs 14 all participate in brake, implement brake hard, avoid accident.
D) parking braking
Parking braking is controlled by parking brake valve 15, and parking brake valve 15 be hand-operated direction valve, when machine, does not work or when driller will leave operating desk, pulls handle, and 15 commutations of parking brake valve, brake safety tongs 14, realize parking braking, prevent hook landing.
As shown in Figures 1 and 2, large discharge capacity hydraulic oil pump 1081 is connected with well head power tool I, hydraulic jack II, the hydraulic disc brake III of hydraulic control system by pipeline after connecting with small displacement hydraulic oil pump 1082, to hydraulic control system, provides power.
The power transmission form of the small-sized workover rig of the present embodiment is: Full-power takeoff+lift case+Hydrodynamic transmission+right angle gear box+hydraulic disc brake winch unit+hook block.
Off-axis power taking mode has been abandoned in the use of Full-power takeoff, to automobile chassis not damaged, adopts Hydrodynamic transmission to make compact conformation, high efficient and reliable, easy operating simultaneously, is convenient to the Long-distance Control of winch gear;
Hydraulic disc brake winch unit adopts hydraulic disc brake to brake, and braking moment is large, sensitiveness is high, safe and reliable, compact conformation, easy to maintenance;
Hydraulic control system adopts two series connection hydraulic oil pumps for liquid-way system provides power, reduces energy consumption, compact conformation, can meet the requirement of system main fluid path to flow, can meet again the requirement of hydraulic disc brake to stability.
Without the application of guy wire derrick system, make workover rig to site environment strong adaptability, compare with common derrick, save subsidiary operation time about 40 minutes, reduce labour intensity, improve operating efficiency.
Although described the utility model by embodiment, but those of ordinary skills know, in the situation that not departing from spirit of the present utility model and essence, just can make the utility model have many variations and distortion, scope of the present utility model is limited to the appended claims.
Claims (6)
1. a self-propelled little tonnage is without guy wire hydraulic disc brake workover rig, comprise driver's cabin, automobile chassis, motor, lift case, Hydrodynamic transmission, right angle gear box, winch unit, winch operating room, pneumatic control system, electric-control system, hydraulic control system, derrick system
Driver's cabin is positioned at automobile chassis front portion,
Lift case is connected by universal joint with Hydrodynamic transmission, and transmission of power is arrived to Hydrodynamic transmission,
Hydrodynamic transmission power output shaft is connected with the power input shaft of right angle gear box by constant velocity cardan joint,
Right angle gear box by chain transmission by transmission of power the winch drum to winch unit,
Hydraulic control system comprises well head power tool, hydraulic jack,
Wherein, well head power tool comprises hydraulic tongs, hydraulic small winch provided and overflow valve, bigeminy valve,
Hydraulic jack comprises telescoping cylinder, the cylinder that hoists, supporting leg fluid cylinder, eight valves, bidirectional hydraulic lock, non-adjustable restrictor, one way valve,
It is characterized in that, also further comprise Full-power takeoff, motor is connected with Full-power takeoff axle, and Full-power takeoff is connected with lift case axle, and engine power passes to lift case by Full-power takeoff.
2. self-propelled little tonnage, without guy wire hydraulic disc brake workover rig, is characterized in that according to claim 1, and described winch unit adopts hydraulic disc brake to brake, and hydraulic control system also further comprises hydraulic disc brake, and hydraulic disc brake is arranged on winch unit.
According to claim 2 self-propelled little tonnage without guy wire hydraulic disc brake workover rig, it is characterized in that, described hydraulic control system comprises a large discharge capacity hydraulic oil pump and a small displacement hydraulic oil pump, after two hydraulic oil pump series connection, by pipeline, be connected with well head power tool, hydraulic jack, the hydraulic disc brake of hydraulic control system, and provide power to hydraulic control system.
4. self-propelled little tonnage, without guy wire hydraulic disc brake workover rig, is characterized in that according to claim 1, and described derrick system is without guy wire derrick system.
5. self-propelled little tonnage, without guy wire hydraulic disc brake workover rig, is characterized in that according to claim 4, and the hydraulic jack of described hydraulic control system also further comprises derrick leg fluid cylinder, and derrick leg fluid cylinder is connected to hydraulic control system by pipeline.
6. self-propelled little tonnage, without guy wire hydraulic disc brake workover rig, is characterized in that according to claim 1, and described driver's cabin adopts the low top of special purpose vehicle, oil field driver's cabin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320526600.2U CN203412527U (en) | 2013-08-27 | 2013-08-27 | Self-propelled small-tonnage guy-rope-free hydraulic disc-brake workover rig |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320526600.2U CN203412527U (en) | 2013-08-27 | 2013-08-27 | Self-propelled small-tonnage guy-rope-free hydraulic disc-brake workover rig |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203412527U true CN203412527U (en) | 2014-01-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320526600.2U Expired - Lifetime CN203412527U (en) | 2013-08-27 | 2013-08-27 | Self-propelled small-tonnage guy-rope-free hydraulic disc-brake workover rig |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203412527U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108166939A (en) * | 2018-02-07 | 2018-06-15 | 山东爱特机电技术有限责任公司 | A kind of pure electric vehicle workover rig |
| CN108316867A (en) * | 2018-02-07 | 2018-07-24 | 山东爱特机电技术有限责任公司 | A kind of pure electric vehicle workover rig |
-
2013
- 2013-08-27 CN CN201320526600.2U patent/CN203412527U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108166939A (en) * | 2018-02-07 | 2018-06-15 | 山东爱特机电技术有限责任公司 | A kind of pure electric vehicle workover rig |
| CN108316867A (en) * | 2018-02-07 | 2018-07-24 | 山东爱特机电技术有限责任公司 | A kind of pure electric vehicle workover rig |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: SHAANXI AUTOMOBILE GROUP YAN AN SPECIAL VEHICLE Co.,Ltd. Assignor: SHAANXI AUTOMOBILE GROUP Co.,Ltd. Contract record no.: 2014610000058 Denomination of utility model: A kind of self-propelled little tonnage is without guy wire hydraulic disc brake workover rig Granted publication date: 20140129 License type: Exclusive License Record date: 20140408 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| CP03 | Change of name, title or address |
Address after: Shaanxi Automobile Group Co., Ltd., 39 Xingfu North Road, Xi'an, Shaanxi 710201 Patentee after: Shaanxi Automobile Group Co.,Ltd. Address before: Shaanxi Automobile Group Co., Ltd., 39 Xingfu North Road, Xi'an, Shaanxi 710201 Patentee before: SHAANXI AUTOMOBILE GROUP Co.,Ltd. |
|
| CP03 | Change of name, title or address | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140129 |
|
| CX01 | Expiry of patent term |