CN207728558U - Full-hydraulic braking apparatus screw pump drive head - Google Patents
Full-hydraulic braking apparatus screw pump drive head Download PDFInfo
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- CN207728558U CN207728558U CN201721413624.1U CN201721413624U CN207728558U CN 207728558 U CN207728558 U CN 207728558U CN 201721413624 U CN201721413624 U CN 201721413624U CN 207728558 U CN207728558 U CN 207728558U
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- braking
- bearing housing
- gear
- fixedly connected
- main shaft
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Abstract
The utility model discloses Full-hydraulic braking apparatus screw pump drive heads,Including main shaft,Clutch,Pinion gear,Gear pump,Oil inlet pipe,Bevel gear,Bearing housing,Brake valve group and flowline,The bearing housing is internally provided with main shaft,The main shaft stage casing is provided with clutch,The bearing housing is internally provided with pinion gear and bevel gear,The pinion gear is matched with bevel gear,The bearing housing side is provided with gear pump,The main shaft of the gear pump and pinion gear Flat dey joint,Described oil inlet pipe one end is fixedly connected with the oil inlet of gear pump,The oil inlet pipe other end is fixedly connected with the side of bearing housing,Described flowline one end is fixedly connected with braking valve group,The flowline other end is fixedly connected with bearing housing side,The oil outlet of the braking valve group and gear pump is bolted,Stablize with braking,Reliably,Noise is small,Without manual intervention,It is automatic to realize braking,Brake nonarcing advantage.
Description
Technical field
The utility model is related to oil field braking system, specifically Full-hydraulic braking apparatus screw pump drive head.
Background technology
When screw pump oil production shutdown or holddown, the reversed potential energy abrupt release being stored in sucker rod can drive belt pulley
Equal devices high-speed reverse operating easily causes the damage, rod string dropout or generation personal injury of transmission device.
Existing screw pump drive head braking system, it is domestic it is most be ratchet wheel pawl type anti-reverse mechanism, tie
Structure is simple, easy to manufacture, at low cost, in-site installation is easy to maintenance, but needs the pressure of often adjustment ratchet brake ribbon rubbing surface
Clamp force, torque need manual operation when discharging, and there are security risks.
Overseas market especially North America market brake fluid system has had extensive use.This kind of anti-reverse system work
The similar automobile brake system of principle.When screw pump stopping, roofbolt is driven reverse hydraulic gear pump, and the hydraulic oil driving of output rubs
Cleaning block acts on brake disc, release reversion potential energy.
The utility model full power hydraulic brake system, further upgrading, cancels braking clamp and brake disc, no brake on this basis
The shortcomings that spark being generated when vehicle pincers brake, the characteristics of meeting Oil Field requirement of explosion proof, remain brake automatic type and reliability,
Safety further increases.
Invention content
The purpose of the utility model is to overcome above-mentioned disadvantages of the existing technology, stop for conventional hydraulic braking system
Hull damage, the brake potential dangers such as spark, provide that a kind of automatic braking, stabilization, reliable, noise is small, safety sparkless complete
Hydraulic braking screw pump drive head.
The technical solution adopted by the utility model to solve its technical problems is that：Full-hydraulic braking apparatus screw pump drive head, packet
Include main shaft, clutch, pinion gear, gear pump, oil inlet pipe, bevel gear, bearing housing, braking valve group and flowline, the bearing housing
It is internally provided with main shaft, the main shaft stage casing is provided with clutch, and the bearing housing is internally provided with pinion gear and cone tooth
Wheel, the pinion gear are matched with bevel gear, and the bearing housing side is provided with gear pump, the main shaft of the gear pump
With pinion gear Flat dey joint, described oil inlet pipe one end is fixedly connected with the oil inlet of gear pump, the oil inlet pipe other end
It is fixedly connected with the side of bearing housing, described flowline one end is fixedly connected with braking valve group, the flowline other end
It is fixedly connected with bearing housing side, the oil outlet of the braking valve group and gear pump is bolted.
As an optimization, the clutch includes clutch base, ratchet spring, pawl, the ratchet spring and pawl
It matches, the pawl is fixedly connected with clutch base top surface, and the clutch base is fixedly connected with main shaft.
As an optimization, the braking valve group includes overflow valve, plug, damping piece, pressure measuring tie-in, hydraulic-bend and braking
Valve body, the braking valve body front surface are provided with pressure measuring tie-in, the brake valve body side be provided with overflow valve,
Plug and damping piece, the brake valve body upper surface are provided with hydraulic-bend, and the hydraulic-bend is fixed with flowline
The oil outlet of connection, the braking valve body and gear pump is bolted.
As an optimization, the damping piece diameter of bore is 3mm.
The utility model has the beneficial effects that：Compared with prior art, the Full-hydraulic braking apparatus screw pump of the utility model drives
Dynamic head is upgraded on the basis of conventional hydraulic brake screw pumps driving head, is overcome conventional hydraulic braking system and is needed using brake
The shortcomings that vehicle pincers and brake disc, cancel brake disc and brake, is realized and braked by the cooperation of gear pump and braking valve group, remained
Brake automatic type and the characteristics of reliability, there is braking to stablize, reliable, noise is small, without manual intervention, it is automatic realize braking,
Nonarcing advantage is braked, potential dangers, stability, the safeties such as brake disc damage, brake spark is avoided and greatly improves.
Description of the drawings
Fig. 1 is the structure sectional view of the utility model；
Fig. 2 is the overall structure figure for braking valve group and flowline；
Fig. 3 is clutch detailed structure view
Fig. 4 is braking valve group detailed structure view
Wherein, 1 main shaft, 2 clutches, 3 pinion gears, 4 gear pumps, 5 oil inlet pipes, 6 bevel gears, 7 bearing housings, 8 braking valve groups,
9 flowlines, 10 clutch bases, 11 ratchet springs, 12 pawls, 13 overflow valves, 14 plugs, 15 damping pieces, 16 pressure measuring tie-ins, 17 liquid
Bend head, 18 braking valve bodies.
Specific implementation mode
It is new below in conjunction with this practicality to keep the purpose, technical scheme and advantage of the utility model embodiment clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Usually here described in attached drawing and
The component of the utility model embodiment shown can be arranged and be designed with a variety of different configurations.Therefore, below to attached
The detailed description of the embodiments of the present invention provided in figure is not intended to limit claimed the scope of the utility model,
But it is merely representative of the selected embodiment of the utility model.Based on the embodiments of the present invention, ordinary skill people
The every other embodiment that member is obtained without making creative work belongs to the model of the utility model protection
It encloses.
It should be noted that：Similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined, then it further need not be defined and explained in subsequent attached drawing in a attached drawing.
In embodiment as shown in Figs 1-4, Full-hydraulic braking apparatus screw pump drive head, including main shaft 1, clutch 2, pinion gear 3,
Gear pump 4, oil inlet pipe 5, bevel gear 6, bearing housing 7, braking valve group 8 and flowline 9, the bearing housing 7 are internally provided with main shaft
1,1 stage casing of main shaft is provided with clutch 2, and the bearing housing 7 is internally provided with pinion gear 3 and bevel gear 6, described
Pinion gear 3 is matched with bevel gear 6, and 7 side of bearing housing is provided with gear pump 4, the main shaft of the gear pump 4 with it is small
3 Flat dey joint of gear, described 5 one end of oil inlet pipe are fixedly connected with the oil inlet of gear pump 4,5 other end of oil inlet pipe
It is fixedly connected with the side of bearing housing 7, described 9 one end of flowline is fixedly connected with braking valve group 8, and the flowline 9 is another
One end is fixedly connected with 7 side of bearing housing, and the braking valve group 8 and the oil outlet of gear pump 4 are bolted.
Clutch 2 includes clutch base 10, ratchet spring 11, pawl 12, and the ratchet spring 11 matches with pawl 12
It closes, the pawl 12 is fixedly connected with 10 top surface of clutch base, and the clutch base 10 is fixedly connected with main shaft 1.
It includes overflow valve 13, plug 14, damping piece 15, pressure measuring tie-in 16, hydraulic-bend 17 and brake valve master to brake valve group 8
Body 18,18 front surface of braking valve body are provided with pressure measuring tie-in 16, and 18 side of braking valve body is provided with excessive
Stream valve 13, plug 14 and damping piece 15,18 upper surface of braking valve body are provided with hydraulic-bend 17, and the hydraulic pressure is curved
First 17 are fixedly connected with flowline 9, and the braking valve body 18 and the oil outlet of gear pump 4 are bolted, damping piece
15 diameter of bores are 3mm.
In the present embodiment, the effect of main shaft 1 is passing power to sucker rod, drive subsurface progressive cavity work, clutch 2
Effect be to determine when hydraulic braking works with combining by the separation of clutch 2, that is, not braking, reversion when system when rotating forward
It is dynamic.The effect of bevel gear 6 and pinion gear 3 imparts power to gear pump 4, gear pump 4 and braking valve group 8 when being driving head reversion
Effect be to realize braking, arrangement bearing, gear, play the role of fixation, support, aligning, lubrication, flowline 9 in bearing housing 7
Effect is that hydraulic oil is flow back to bearing housing, and the effect of overflow valve 13 is to prevent gear pump pressure excessively high, the overflow valve when hypertonia
Aerial drainage is opened to which pressure declines, the effect of damping piece 15 is to change the flow of hydraulic oil, when damping piece diameter of bore is 3mm,
Hydraulic fluid flow rate and pressure are best, and pressure measuring tie-in 16 can connect pressure gauge, so as to detect the pressure of braking valve group 8, hydraulic pressure
Elbow 17 connects flowline 9.
When recovering the oil, main shaft 1 rotates forward, and the pawl 12 in clutch 2 only streaks main shaft 1, generates friction, but clutch 2
In discrete state, bevel gear 6 and pinion gear 3 do not rotate, and gear pump 4 does not work.
When being shut down in oil recovery process, main shaft 1 inverts, and the pawl 12 in clutch 2 snaps into the slot of main shaft 1, band
Dynamic bevel gear 6 and pinion gear 3 rotate, and gear pump 4 works, by the oil suction from bearing housing 7 of oil inlet pipe 5, after braking valve group 8
Hydraulic oil is returned into bearing housing 7 by flowline 9, due to the presence of damping piece 15 in braking valve group 8, oily flow changes
Become so that hydraulic oil is squeezed, and molecular potential increases, and pressure increases, and the kinetic energy of driving head reversion is converted into the gesture of hydraulic oil
It can increase, while the hydraulic oil being discharged gradually discharges potential energy, realize the braking of reversion and phased out.
Compared with prior art, the Full-hydraulic braking apparatus screw pump drive head of the utility model is pumped in conventional hydraulic brake screw
Upgraded on the basis of driving head, overcome the shortcomings that conventional hydraulic braking system is needed using braking clamp and brake disc, is cancelled
Brake disc and brake realize brake by the cooperation of gear pump and braking valve group, remain the spy of brake automatic type and reliability
Point, there is braking to stablize, is reliable, noise it is small, without manual intervention, it is automatic realize braking, brake nonarcing advantage, avoid
Potential dangers, stability, the safeties such as brake disc damage, brake spark greatly improve.
Above-mentioned specific implementation mode is only the specific case of the utility model, and the scope of patent protection of the utility model includes
But it is not limited to the product form and style of above-mentioned specific implementation mode, it is any to meet the utility model claims book and any institute
Belong to the appropriate changes or modifications that the those of ordinary skill of technical field does it, should all fall into the patent protection of the utility model
Range.
Claims (4)
1. Full-hydraulic braking apparatus screw pump drive head, it is characterised in that：Including main shaft（1）, clutch（2）, pinion gear（3）, gear
Pump（4）, oil inlet pipe（5）, bevel gear（6）, bearing housing（7）, braking valve group（8）And flowline（9）, the bearing housing（7）It is internal
It is provided with main shaft（1）, the main shaft（1）Stage casing is provided with clutch（2）, the bearing housing（7）It is internally provided with small tooth
Wheel（3）And bevel gear（6）, the pinion gear（3）With bevel gear（6）It matches, the bearing housing（7）Side setting is with teeth
Wheel pump（4）, the gear pump（4）Main shaft and pinion gear（3）Flat dey joint, the oil inlet pipe（5）One end and gear pump
（4）Oil inlet be fixedly connected, the oil inlet pipe（5）The other end and bearing housing（7）Side be fixedly connected, described is fuel-displaced
Pipe（9）One end and braking valve group（8）It is fixedly connected, the flowline（9）The other end and bearing housing（7）Side is fixedly connected,
The braking valve group（8）With gear pump（4）Oil outlet be bolted.
2. Full-hydraulic braking apparatus screw pump drive head as described in claim 1, it is characterised in that：The clutch（2）Including
Clutch base（10）, ratchet spring（11）, pawl（12）, the ratchet spring（11）With pawl（12）It matches, it is described
Pawl（12）With clutch base（10）Top surface is fixedly connected, the clutch base（10）With main shaft（1）It is fixedly connected.
3. Full-hydraulic braking apparatus screw pump drive head as described in claim 1, it is characterised in that：The braking valve group（8）Packet
Include overflow valve（13）, plug（14）, damping piece（15）, pressure measuring tie-in（16）, hydraulic-bend（17）With braking valve body（18）, institute
The braking valve body stated（18）Front surface is provided with pressure measuring tie-in（16）, the braking valve body（18）Side is provided with overflow
Valve（13）, plug（14）And damping piece（15）, the braking valve body（18）Upper surface is provided with hydraulic-bend（17）, described
Hydraulic-bend（17）With flowline（9）It is fixedly connected, the braking valve body（18）With gear pump（4）Oil outlet pass through
It is bolted.
4. Full-hydraulic braking apparatus screw pump drive head as claimed in claim 3, it is characterised in that：The damping piece（15）Endoporus
A diameter of 3mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721413624.1U CN207728558U (en) | 2017-10-28 | 2017-10-28 | Full-hydraulic braking apparatus screw pump drive head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721413624.1U CN207728558U (en) | 2017-10-28 | 2017-10-28 | Full-hydraulic braking apparatus screw pump drive head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207728558U true CN207728558U (en) | 2018-08-14 |
Family
ID=63091218
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721413624.1U Active CN207728558U (en) | 2017-10-28 | 2017-10-28 | Full-hydraulic braking apparatus screw pump drive head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207728558U (en) |
-
2017
- 2017-10-28 CN CN201721413624.1U patent/CN207728558U/en active Active
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