CN204041450U - Ground driving screw pump band-type brake intermittent type braking system - Google Patents
Ground driving screw pump band-type brake intermittent type braking system Download PDFInfo
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- CN204041450U CN204041450U CN201420551110.2U CN201420551110U CN204041450U CN 204041450 U CN204041450 U CN 204041450U CN 201420551110 U CN201420551110 U CN 201420551110U CN 204041450 U CN204041450 U CN 204041450U
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- braking
- braking system
- screw pump
- housing
- intermittent type
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Abstract
Ground driving screw pump band-type brake intermittent type braking system of the present utility model relates to pump housing braking system, is made up of electromagnetic brake braking system and intermittent type microcomputer controller.Electromagnetic brake braking system comprises housing, braking steel disk and friction disk, described housing is uncovered cylindrical tube, the end wall of housing is provided with axis hole I, the inner side of end wall is provided with field coil, enclosure interior is provided with braking steel disk and friction disk, braking steel disk axle center is provided with axis hole II, and transmission shaft is fixedly connected with friction disk axle center, and transmission shaft is successively through axis hole II, axis hole I.Intermittent type microcomputer controller is connected to display circuit, reset circuit, input through keyboard circuit, screw pump motor outage detection Isolation input circuit, storage and control output driving circuit respectively by control single chip computer.This braking system, structure is simple, making and installation is easy, and working service is convenient; Braking is reliable, and Safety performance is good, extends the use longevity of equipment, reduces maintenance cost.
Description
Technical field
The utility model relates to pump housing braking system, particularly relates to ground driving screw pump band-type brake intermittent type braking system.
Background technique
The type of ground driving screw pump is more, and the main Types of current oil field at home application is the surface drive of electrical machinery driving, step speed regulation, wellhead flange connection.Divide by the difference of drive unit: parallel axes driving, Driven by Coaxial, biased drive screw pump etc.Ground driving screw pump is a kind of novel oil recovery machiner, primarily of surface drive and subsurface progressive cavity two-part composition.Well head power is delivered to down-hole by the rotary motion of sucker rod by surface drive, drives the screw pump work of down-hole; Screw pump is a kind of displacement pump, and it relies on rotor to rotate in the stator, forms a series of cavity, progressive to exhaust end from suction side, completes continuously from shaft bottom oil suction, to well head oil extraction.Existing ground driving screw pump is not all provided with braking system, and after screw pump stopping, the distortion torsional-energy be stored in roofbolt can discharge fast, and roofbolt is reversed; In oil pipe and external transport pipeline hydraulic difference and pressure difference effect under, screw pump can become oil hydraulic motor, and screw column is reversed.Screw column is reversed very harmful: rod string in screw pump Umklapp process is that two stages form from slow to fast, from fast to slow.In this process, roofbolt can produce excited vibration, when its energizing frequency is identical with roofbolt own frequency or the well head natural frequency of vibration, resonance can be produced, speed reversal can reach high speed driving state instantaneously, the harm caused comprises: the reversion of screw pump can make roofbolt dropout, polished rod gets rid of curved, the damage of surface drive component; The reversion of screw pump can cause parts thereof overheated, lights well head free gas, causes well head combustion explosion; The safety of the reversion of screw pump not only entail dangers to equipment, goes back the safety of entail dangers to field maintenance operator, becomes the hidden danger of production accident.
Model utility content
The utility model is intended to the deficiency for existing in background technique, and the ground driving screw pump band-type brake intermittent type braking system proposed.
Ground driving screw pump band-type brake intermittent type braking system of the present utility model, be made up of electromagnetic brake braking system and intermittent type microcomputer controller, described electromagnetic brake braking system comprises housing, braking steel disk and friction disk, described shell one end is uncovered cylindrical tube, another end wall of housing is provided with axis hole I, the inner side of end wall is installed with field coil, enclosure interior is provided with braking steel disk and friction disk, inner walls and the periphery of braking steel disk are provided with axial the moving of convex-concave slideway more than two and are connected, uniformly spring more than two is connected to inside end wall and between braking steel disk, described braking steel disk axle center is provided with axis hole II, transmission shaft is fixedly connected with friction disk axle center, one end of transmission shaft is successively through axis hole II, axis hole I to friction disk is affixed with braking steel disk.Described intermittent type microcomputer controller is connected to display circuit, reset circuit, input through keyboard circuit, screw pump motor outage detection Isolation input circuit, storage and control output driving circuit respectively by control single chip computer.
As further improvement of the utility model, groove is equipped with in the both sides of braking steel disk radial direction, two grooves are the corresponding grafting in two ends of semicircle arcuation fork by bottom, fork top is provided with necking down and passes the opening slot on housing exterior walls and be placed in outside, and the necking down of fork is hinged by the projection of pin and opening slot both sides.
As further improvement of the utility model, described field coil is fixed on enclosure interior by nut.
As further improvement of the utility model, described friction disk has asbestos soft packing layer near the side of braking steel disk.
Ground driving screw pump band-type brake intermittent type braking system of the present utility model, structure is simple, making and installation is easy, and working service is convenient; Braking is reliable; Safety performance is good; avoid after screw pump stopping; the distortion torsional-energy be stored in roofbolt can discharge the drawback that roofbolt is reversed fast; complete after the power-off of screw pump drive motor; by the electromagnetic coil intermittent power supply to electromagnetic brake braking system; realize the intermittent type braking to screw pump stopping reversion; effective control speed reversal; until reversion freely stops; ensure that personal safety and the device security of staff, extend the working life of equipment, reduce maintenance cost.
Accompanying drawing explanation
Fig. 1 is axial sectional structure schematic diagram of the present utility model;
Fig. 2 is that the A-A of Fig. 1 of the present utility model is to sectional structure schematic diagram;
Fig. 3 is intermittent type microcomputer controller circuit theory diagrams of the present utility model;
Fig. 4 is power panel circuit structure block diagram of the present utility model;
Fig. 5 is that the utility model specifically uses structural representation.
Embodiment
Below in conjunction with accompanying drawing 1 and accompanying drawing 2 to ground driving screw pump band-type brake intermittent type braking system of the present utility model, be described further.
Ground driving screw pump band-type brake intermittent type braking system of the present utility model, is made up of electromagnetic brake braking system and intermittent type microcomputer controller.
Described electromagnetic brake braking system, comprises housing 1, braking steel disk 2 and friction disk 3, as shown in Figure 1 and Figure 2.Described housing 1 one end is uncovered cylindrical tube, another end wall 4 of housing 1 is provided with axis hole I 5, the inner side of end wall 4 is installed with field coil 16, housing 1 inside is provided with braking steel disk 2 and friction disk 3, housing 1 inwall and the periphery of braking steel disk 2 are provided with axial the moving of convex-concave slideway 6 more than two and are connected, uniformly spring 15 more than two is connected to inside end wall 4 and between braking steel disk 2, described braking steel disk 2 axle center is provided with axis hole II 7, transmission shaft 17 is fixedly connected with friction disk 3 axle center, one end of transmission shaft 17 is successively through axis hole II 7, axis hole I 5 to friction disk 3 is affixed with braking steel disk 2.Groove 8 is equipped with in the both sides of braking steel disk 2 radial direction, two grooves 8 are the corresponding grafting in two ends of semicircle arcuation fork 9 by bottom, fork 9 top is provided with necking down 10 and passes the opening slot 11 on housing 1 outer wall and be placed in outside, and the necking down 10 of fork 9 is hinged with the projection of opening slot 11 both sides by pin 12.It is inner that described field coil 16 is fixed on housing 1 by nut 13.Described friction disk 3 has asbestos soft packing layer 14 near the side of braking steel disk 2.
Described intermittent type microcomputer controller is connected to display circuit, reset circuit, input through keyboard circuit, screw pump motor outage detection Isolation input circuit, storage and control output driving circuit respectively by control single chip computer, as shown in Figure 3, reset circuit is connected to reset key.Screw pump motor outage detection Isolation input circuit and the normally closed electric shock connection of motor contactor; Control output driving circuit to be connected with the solid-state relay control end on power panel.In parallel display release time, braking time display, interval braking cumulative time display and working state display (releasing state and braking state) on display circuit.Control output driving circuit and power panel solid-state relay control end connection (Fig. 3), described power circuit be connected to power transformer successively by ac power supply 380V mono-tunnel, filter rectifier, mu balanced circuit input to VDC, another road is connected to solid-state relay, rectification circuit is formed to electromagnetic brake coil lighting outlet.
The braking principle of ground driving screw pump band-type brake intermittent type braking system of the present utility model: when field coil 16 is not energized, spring 15 promotes braking steel disk 2 and moves to right, pressing friction dish 3, very large positive pressure is produced between two dishes, namely produce frictional force, braking moment is produced to transmission shaft 17 and realizes braking; When field coil 16 is energized, produce powerful magnetic field, braking steel disk 2 is magnetized, and produce the suction-combining force, Compress Spring 15 between braking steel disk 2, disengage with friction disk 3, transmission brakeless moment.
The position of the installation of ground driving screw pump band-type brake intermittent type braking system of the present utility model: the utility model is applied on parallel axes drive screw pump, as shown in Figure 5, can be arranged on power input shaft 18, also can be arranged on output shaft 19, wherein 20 is ground driving screw pump band-type brake intermittent type braking system of the present utility model, 21 be motor, 22 is gearbox, 23 for counterweight.As shown in Figure 5, for being applied on coaxial and offset drive screw pump, motor output shaft position is preferably arranged on.
The scm application system that intermittent type microcomputer controller is core with STC89C52RC single-chip microcomputer; mainly complete after the power-off of screw pump drive motor; by the electromagnetic coil intermittent power supply to electromagnetic brake braking system; realize the intermittent type braking to screw pump stopping reversion; effective control speed reversal, until reversion freely stops.
As shown in Figure 3; during controller work; first the state of the normally-closed contact of the control contactor of external drive screw pump motor is detected; if detect by being disconnected to closed state; just screw pump stopping is described; controller will export according to three the parameter release times set in advance, braking time, interval period of braking the power on/off controlling electromagnetic brake coil, realize the interval braking of electromagnetic brake braking system with this.
As shown in Figure 4, the installation of controller is simpler, first controller is installed in screw pump control box, controller power source plate connects and exchanges 380V, the rectification of power panel exports the lighting outlet connecing electromagnetic brake coil, the normally-closed contact of the breakage of screw pump electro-detection Isolation input termination motor of control panel, detailed power circuit as shown in Figure 4.
The control panel of controller is as follows, the function of three indicator windows and middle two tutorial light marks above, here is four buttons, wherein " key is set " and "+key ", "-key " complete parameter setting function, concrete setting up procedure is: press and arrange key >=3 second, release time, indicator window flicker, press "+" or "-" key, adjusted 0-9.9 second release time; Click and arrange key < 3 seconds, braking time indicator window glimmers, and presses "+" or "-" key, adjusts braking time 0-9.9 second; Click again and key < is set 3 seconds, the flicker of interval period of braking indicator window, press "+" or "-" key, adjust interval period of braking 0-999.9 second, after three optimum configurations complete, pin and arrange key >=3 second, parameters is preserved, exit the state of setting, carry out normal working.When there is the faults such as deadlock when controller, press reset key, controller is reruned.
Claims (4)
1. ground driving screw pump band-type brake intermittent type braking system, be made up of electromagnetic brake braking system and intermittent type microcomputer controller, it is characterized in that electromagnetic brake braking system comprises housing (1), braking steel disk (2) and friction disk (3), described housing (1) one end is uncovered cylindrical tube, another end wall (4) of housing (1) is provided with axis hole I (5), the inner side of end wall (4) is installed with field coil (16), housing (1) inside is provided with braking steel disk (2) and friction disk (3), housing (1) inwall and the periphery of braking steel disk (2) are provided with axial the moving of convex-concave slideway (6) more than two and are connected, end wall (4) inner side uniformly between steel disk (2) is connected to spring (15) more than two with braking, described braking steel disk (2) axle center is provided with axis hole II (7), transmission shaft (17) is fixedly connected with friction disk (3) axle center, one end of transmission shaft (17) is successively through axis hole II (7), axis hole I (5) is affixed to friction disk (3) and braking steel disk (2), described intermittent type microcomputer controller is connected to display circuit, reset circuit, input through keyboard circuit, screw pump motor outage detection Isolation input circuit, storage and control output driving circuit respectively by control single chip computer.
2. ground driving screw pump band-type brake intermittent type braking system as claimed in claim 1, it is characterized in that the both sides of braking steel disk (2) radial are equipped with groove (8), two grooves (8) are the corresponding grafting in two ends of semicircle arcuation fork (9) by bottom, fork (9) top is provided with necking down (10) through the opening slot (11) on housing (1) outer wall and is placed in outside, and the necking down (10) of fork (9) is hinged with the projection of opening slot (11) both sides by pin (12).
3. ground driving screw pump band-type brake intermittent type braking system as claimed in claim 1 or 2, is characterized in that described field coil (16) is fixed on housing (1) by nut (13) inner.
4. ground driving screw pump band-type brake intermittent type braking system as claimed in claim 1 or 2, is characterized in that described friction disk (3) near the side of braking steel disk (2) with asbestos soft packing layer (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420551110.2U CN204041450U (en) | 2014-09-24 | 2014-09-24 | Ground driving screw pump band-type brake intermittent type braking system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420551110.2U CN204041450U (en) | 2014-09-24 | 2014-09-24 | Ground driving screw pump band-type brake intermittent type braking system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204041450U true CN204041450U (en) | 2014-12-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420551110.2U Expired - Fee Related CN204041450U (en) | 2014-09-24 | 2014-09-24 | Ground driving screw pump band-type brake intermittent type braking system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204041450U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109681548A (en) * | 2018-12-22 | 2019-04-26 | 盐城市骏泰交通设施有限公司 | A kind of braking automobile stopping machine convenient for safeguarding |
| CN110849571A (en) * | 2019-12-03 | 2020-02-28 | 李治平 | Civil engineering structure explosion damage experiment platform |
-
2014
- 2014-09-24 CN CN201420551110.2U patent/CN204041450U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109681548A (en) * | 2018-12-22 | 2019-04-26 | 盐城市骏泰交通设施有限公司 | A kind of braking automobile stopping machine convenient for safeguarding |
| CN110849571A (en) * | 2019-12-03 | 2020-02-28 | 李治平 | Civil engineering structure explosion damage experiment platform |
| CN110849571B (en) * | 2019-12-03 | 2021-12-07 | 广西冠桂爆破科技有限公司 | Civil engineering structure explosion damage experiment platform |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141224 Termination date: 20180924 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |