CN101775970A - Oil pumping machine - Google Patents
Oil pumping machine Download PDFInfo
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- CN101775970A CN101775970A CN201010033355A CN201010033355A CN101775970A CN 101775970 A CN101775970 A CN 101775970A CN 201010033355 A CN201010033355 A CN 201010033355A CN 201010033355 A CN201010033355 A CN 201010033355A CN 101775970 A CN101775970 A CN 101775970A
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Abstract
The invention discloses an oil pumping machine which comprises a fixedly arranged driving host of a permanent magnet synchronous speed reducer, a pylon fixed on a foundation and a first oil pumping rod driven by the driving host, wherein a steel wire cable drum which is driven by an output shaft of the driving host and wound with two steel wire cables is arranged on the driving host; one end of one steel wire cable is fixed on the drum, while the other end is fixed and articulated to a guide wheel on the pylon through a wheel shaft and then connected with the first oil pumping rod; one end of the other steel wire cable is fixed on the drum, while the other end passes through the guide wheel and then is connected with a counterweight or directly connected with the counterweight without passing through the guide wheel; and the wheel shaft of the guide wheel and the axis of the steel cable drum are horizontally arranged in parallel. The invention has reduced energy consumption, simple structure and convenient maintenance, can conveniently adjust the stroke and the jig frequency of an oil well, has the functions of diagnosing and detecting the working state of the oil well at any time and can further realize digital control and remote network control. The oil pumping machine is used as a petroleum exploitation machine.
Description
Technical field
The invention belongs to oil exploitation machinery, specifically a kind of oil pumper.
Background technology
The normally used oil pumper of the machinery of oil exploitation at present is for having beam pumping unit and vertical oil-pumping machine etc., form by motor, belt reduction unit, gear reduction unit, quadric chain, the bearing pin of quadric chain on the walking beam support moves back and forth, and drives horse head and moves up and down and make beam hanger drive oil well pump to move up and down and realize the oil pumping purpose.
There is following shortcoming in the oil pumper of said structure:
1. mechanical efficiency is low: rotate to oil cylinder by the motor arbor and realize to move back and forth, be by belt slow down, realizations such as gear subtracts, quadric chain, the process power consumption is big, machinery driving efficiency is very low.
2. lack easy to wear, application life: beam pumping unit needs very big driving moment in order to realize the beam hanger motion, and the increase of moment makes parts wear very fast, causes application life shorter.
3. specific aim is poor: be difficult to adjust the stroke and the jig frequency of oil pumper, to adapt to the needs of oil field oil reservoir structure and underground amount.
4. be difficult to realize bumping pumping function: what present oil pumper was difficult to maybe can not to realize the oil well needs bumps function such as pump.
5. do not have self diagnostic capability: present oil pumper can not be realized the self diagnosis to Oil Well Working.
Summary of the invention
Technical problem to be solved by this invention provides a kind of oil pumper, and its energy consumption reduces, and simple in structure being convenient to safeguarded.Further, this oil pumper also can be adjusted the stroke and the jig frequency of oil well easily, to the function that the duty of oil well is diagnosed at any time and detected, can also realize digital control further and telecommunication network control.
For solving the problems of the technologies described above, the technical solution adopted in the present invention is as follows:
A kind of oil pumper, comprise the driving host that fixedly installs, be fixed in the pylon on the ground, first sucker rod by the driving host driving, it is characterized in that: described driving host is the permanent-magnet synchronous reductor, which is provided with by driving host and export shaft-driven cable drum, be wound with two wire rope on the cable drum, the fixed end of every wire rope is fixing on cable drum, wherein one connects with first sucker rod in its free end after wheel shaft is fixedly hinged wire rope directive wheel on pylon, and another free end directly connects with counterweight or connects with counterweight in its free end after wheel shaft is fixedly hinged wire rope directive wheel on pylon; First sucker rod, counterweight dangle in the free end of corresponding wire rope; The wheel shaft of wire rope directive wheel is horizontally disposed with the cable drum axis with paralleling.
As a kind of mode of the present invention, the relative pylon of described driving host is an overhead, and promptly driving host is fixed in upward middle part, pylon top; Described counterweight is the combination counterweight, is positioned at pylon and is located at biased outward place, driving host below; Top with the opposite side of combination counterweight place one side of driving host on the pylon is fixed with the directive wheel support of stretching laterally, and the wheel shaft of wire rope directive wheel is fixedly hinged on support; Described wire rope is fixed respectively at free end and first sucker rod, counterweight after wheel shaft is fixedly hinged wire rope directive wheel on pylon, and first sucker rod, counterweight dangle in the free end of corresponding wire rope.
As another mode of the present invention, the relative pylon of described driving host is a underneath type, and promptly driving host is fixed on the ground of pylon below; Described counterweight is the combination counterweight; The place, both sides of the edge corresponding to the driving host top of tower top is fixed with the directive wheel support respectively, and the wheel shaft of wire rope directive wheel is fixedly hinged on the directive wheel support; Described wire rope is sagging and fixedly link in first sucker rod of free end and homonymy or combination counterweight behind the wire rope directive wheel of homonymy respectively, and first sucker rod, counterweight dangle in the free end of corresponding wire rope.
As the third mode of the present invention, the relative pylon of described driving host is a underneath type, and promptly driving host is fixed on the ground of pylon below; Described counterweight is second sucker rod; The place, both sides of the edge corresponding to the driving host top of tower top is fixed with the directive wheel support respectively, and the wheel shaft of wire rope directive wheel is fixedly hinged on the directive wheel support; Described wire rope is sagging and fixedly link in first sucker rod or second sucker rod of free end and homonymy behind the wire rope directive wheel of homonymy respectively, and first sucker rod, second sucker rod dangle in the free end of corresponding wire rope.
Described permanent-magnet synchronous reductor comprises the arrestment mechanism of electrical control mechanism, rotor block, magnet steel, stator, reduction box, band magnetic brake, does not have shaft coupling coaxial-type, horizontal magnet steel and has shaft coupling parallel-axis type, vertical magnet steel to have shaft coupling parallel-axis type, horizontal magnet steel not to have shaft coupling parallel-axis type or vertical magnet steel not have a kind of in the shaft coupling parallel-axis type for horizontal magnet steel has shaft coupling coaxial-type, vertical magnet steel to have shaft coupling coaxial-type, horizontal magnet steel not to have shaft coupling coaxial-type, vertical magnet steel.
Described controlling organization comprises electric control box and is arranged in temperature detection controlling organization, permanent-magnet synchronous reductor protection mechanism, manual control box, anti-lightning strike Surge Protector in special converter for pumping unit in it, envelope star contactor, band-type brake controlling organization, the control cabinet, and is installed in switch and reverser on the pylon, is installed in encoder or rotary transformer on the permanent-magnet synchronous reductor input gear shaft; Wherein:
Electric control box---be fixed on a side of reduction box casing, be used to place and protect the electric components of electrical control mechanism;
Special converter for pumping unit---be located in the electric control box, be used to drive the permanent-magnet synchronous reductor and drive sucker rod and do in the impulse stroke of setting with the speed of setting and pump; Its signal input part is connected with the signal input part of manual control box, switch and reverser, encoder or rotary transformer, anti-lightning strike Surge Protector respectively, and its signal output part is connected with the signal input part of envelope star contactor, band-type brake controlling organization respectively;
Encoder---be installed on the permanent-magnet synchronous reductor input gear shaft, be used to detect permanent-magnet synchronous reductor rotor magnetic pole position; The signal of its generation is as a signal input part of special converter for pumping unit;
Rotary transformer---be installed on the permanent-magnet synchronous reductor input gear shaft, be used to detect permanent-magnet synchronous reductor rotor magnetic pole position; The signal of its generation is as a signal input part of special converter for pumping unit;
The envelope star contactor---being installed in the electric control box, the signal output part of its signal input part and special converter for pumping unit joins; The stator coil of its signal output part and driving host joins.When frequency converter has run signal output, the adhesive of envelope star contactor, frequency converter and driving host stator coil constitute path, and driving host gets electric operation; When the frequency converter stop signal was exported, the envelope star contactor disconnected, and frequency converter and driving host stator coil electrical isolation are sealed the output short circuit of star contactor simultaneously, make driving host carry out dynamic braking;
The band-type brake controlling organization---be located in the electric control box, be used to control the release and the braking of magnetic brake.The signal output part of its signal input part and special converter for pumping unit joins; Its signal output part and magnetic brake join;
Temperature detection controlling organization in the control cabinet---be used for the temperature control of electric control box, comprise the temperature-detecting device and the air ejector fan that are installed in the band temperature detect switch (TDS) in the electric control box.When temperature-detecting device detected electrical control the temperature inside the box and reaches default extreme temperatures value or utmost point low value, the temperature detect switch (TDS) closing of contact or disconnection were with the keying of control air ejector fan;
Permanent-magnet synchronous reductor protection mechanism---be located in the electric control box, be used for the overload protection of permanent-magnet synchronous reductor.Hot protective resistance in its signal input part and the permanent-magnet synchronous reductor is joined; Its signal output part is as a signal input part of special converter for pumping unit;
The manual control box---be located in the electric control box, be electrically connected with special converter for pumping unit, be used to control the selection of the stopping of oil pumper, operation and the method for operation.By set button input signal on the manual control box, and transfer signals to special converter for pumping unit;
Switch and reverser---being installed on the pylon, its output signal is connected with special converter for pumping unit, is used to adjust the stroke up and down of oil pumper,
Anti-lightning strike Surge Protector--be located in the electric control box, its signal input part joins with the signal input part of external impetus power line and special converter for pumping unit respectively, other end ground connection, the electric components when being used for thunder and lightning and taking place in the protection electric control box.
Described electrical control mechanism also comprises remote control, this remote control comprise central processing unit and and the power module that links to each other by central processing unit, Keysheet module, communication module, display module and memory module, wherein:
Central processing unit-as the program running processing unit, its port links to each other with wireless module, and its IO data port links to each other with liquid crystal, keyboard respectively;
Power module-be used as the power management of whole remote control, by the power supply of battery to whole remote control;
Keysheet module-by the keyboard input signal, its signal output part and central processing unit IO mouth join, and are used for control program and carry out;
Communication module-its signal input part and central processing unit communication port join, its signal output part and antenna join, be used for carrying out data communication with the oil well control panel that is installed on well control system, the real-time update data are handled the back through central processing unit and are exported by display module;
Display module-its signal input part and central processing unit IO mouth join, and are used for the demonstration of data and program;
Memory module-because the inner self-contained storing devices of the central processing unit that adopts, so adopt the central processing unit internal storage to carry out the storage of data.
Further feature of the present invention also has:
Be rotatable hinged securement that cooperates or being fixedly connected of cooperation slidably between described directive wheel support and pylon.
Described arrestment mechanism is a kind of in drum brake, block brake, disc type brake or the braking of cover shaft type.
Described permanent-magnet synchronous reductor is gear drive, and described gear can be a duplicate gear, also can be individual gears.
The oil pumper of said structure provided by the present invention has following characteristics:
1. oil pumper has changed in the past the beam type structure by multiple deceleration and four connecting rod transmissions, adopt pylon and directive wheel rotatablely moving of driving host to be changed over the rectilinear motion of sucker rod, use counterweight to fall the weight of sucker rod is gentle, make the moment that needs driving host to provide significantly reduce, thereby energy consumption is significantly reduced; Electronic part adopts permanent-magnet material to produce moment, has replaced asynchronous machine, has also reduced reactive loss, and the efficient of whole oil pumper has obtained significantly promoting.
2. as different structure mode of the present invention, the relative pylon of driving host is overhead, underneath type, two rod type, and fit form is adjusted flexibly, can satisfy the on-the-spot specific requirement of different oil pumping, and is with strong points.
3. the fixed form between directive wheel support and pylon can guarantee when equipment need keep in repair, with the directive wheel support to pylon top counter-rotating or to the translation of tower center direction, thereby abdicate the well workover space.
4. the permanent-magnet synchronous reductor is horizontal or vertical magnet steel, shaft coupling is arranged or do not have shaft coupling, coaxial-type or parallel-axis type, and mode of braking can be that dish is stopped, piece is stopped, drum is stopped or sleeve is stopped, and above-mentioned several factors can make up arbitrarily, and various informativeization is with suitable different requirements.
5. the control of driving host adopts the oil field special converter can realize that oil well jig frequency and stroke arbitrarily adjust, and satisfies the requirement of oil field objective circumstances.
6. driving host leaves digital interface, can realize digital control and network interface, can realize the self diagnosis to Oil Well Working, and that can realize that existing oil pumper is difficult to the oil well needs that maybe can not realize bumps function such as pump.
7. the design of remote controller can realize the far distance automatic controlling of oil pumper.
To sum up, the technological progress that the present invention is compared with prior art brought is: energy consumption reduces, and is simple in structure, is convenient to safeguard.Further, can adjust the stroke and the jig frequency of oil well easily, the function to the duty of oil well is diagnosed at any time and detected can also realize digital control and network control.The present invention is as oil exploitation machinery.
Following the present invention will be described in further detail in conjunction with Figure of description and specific embodiment.
Description of drawings
Fig. 1 is the structural representation of the embodiment of the invention one;
Fig. 2 is the structural representation of the embodiment of the invention two;
Fig. 3 is the structural representation of the embodiment of the invention three;
Fig. 4, Fig. 6, Fig. 8, Figure 10, Figure 12, Figure 14, Figure 16, Figure 18 are the structure diagram of eight kinds of forms of permanent-magnet synchronous reductor of the present invention;
Fig. 5, Fig. 7, Fig. 9, Figure 11, Figure 13, Figure 15, Figure 17, Figure 19 are respectively the left view of Fig. 4, Fig. 6, Fig. 8, Figure 10, Figure 12, Figure 14, Figure 16, Figure 18;
Figure 20 is the electric theory diagram of electrical control of the present invention mechanism;
Figure 21 is the electrical schematic diagram of electrical control shown in Figure 20 mechanism;
The electric theory diagram of Figure 22 remote controller of the present invention;
Figure 23-26 is respectively central processing unit, liquid crystal display, the power module of remote controller of the present invention, the circuit diagram of wireless module.
Among the figure: 1-driving host, 2-pylon, 3-wire rope directive wheel, 4,4 '-wire rope, the 5-sucker rod connects fastener, 6-first sucker rod, 6 '-the second sucker rods, 8-makes up counterweight, 9-ground, 10-directive wheel support, 11-shaft coupling, 13-cable drum, the 14-steel wire rope coiler axis, 16-brake gear, 17-band-type brake arm, the 18-spring, 19-magnetic brake, 20-switch, the 21-reverser, the 22-gear shaft, 23,24, the 37-gear, the casing 27-rotor block of 26-reductor, the 31-stator, the 32-magnet steel, 34-input gear shaft 38-electrical control mechanism, 39-output shaft.
The specific embodiment
Embodiment one
Figure 1 shows that a kind of oil pumper, first sucker rod 6 that it comprises the driving host 1 that fixedly installs, be fixed in pylon 2 on the ground 9, driven by driving host 1.
Driving host 1 is the permanent-magnet synchronous reductor, and pylon 2 is overhead relatively: promptly driving host 1 is fixed in upward middle part, pylon 2 tops, and combination counterweight 8 is positioned at pylon 2 and is located at biased outward place, driving host 1 below; Top with the opposite side of combination counterweight 8 places one side of driving host 1 on the pylon 2 is fixed with the directive wheel support of stretching laterally 10, and the wheel shaft of wire rope directive wheel 3 is fixedly hinged on directive wheel support 10; Driving host 1 is provided with by the shaft-driven cable drum of the output of driving host 1, be wound with on the cable drum two wire rope 4 and 4 ', their end is individually fixed on the cable drum, and their free end connects with first sucker rod 6, combination counterweight 8 respectively after wheel shaft is fixedly hinged wire rope directive wheel 3 on pylon; First sucker rod, counterweight respectively at wire rope 4 and 4 ' free end dangle; The wheel shaft of wire rope directive wheel 3 is horizontally disposed with steel wire rope coiler axis with paralleling.
When driving host 1 is rotated forward or backwards, by the wire rope 4 that is connected with first sucker rod 6, combination counterweight 8, drive first sucker rod 6 and move up and down with combination counterweight 8, realize the oil pumping purpose.
2 of directive wheel support 10 and pylons are rotatable hinged securement that cooperates or being fixedly connected of slidably cooperating, and wire rope directive wheel 3 can upwards rotate 180 ° or edge and laterally moves to pylon axis direction when well workover, thereby abdicate the space of well workover.
The braking mechanism of permanent-magnet synchronous reductor can be drum brakes, the brake of piece formula or disk type brake, also can be the brake of sleeve formula.
The permanent-magnet synchronous reductor comprises electrical control mechanism 38, rotor block 27, magnet steel 32, stator 31, reduction box 26, its specific constructive form can be horizontal magnet steel to be had shaft coupling coaxial-type, vertical magnet steel to have shaft coupling coaxial-type, horizontal magnet steel not to have shaft coupling coaxial-type, vertical magnet steel not have shaft coupling coaxial-type, horizontal magnet steel and have shaft coupling parallel-axis type, vertical magnet steel to have shaft coupling parallel-axis type, horizontal magnet steel not to have shaft coupling parallel-axis type or vertical magnet steel not have a kind of in the shaft coupling parallel-axis type, wherein:
Horizontal magnet steel has concrete structure such as Fig. 4, shown in Figure 5 of shaft coupling coaxial-type permanent-magnet synchronous reductor: stator 31 iron cores are directly installed on the casing 26 of reductor, magnet steel 32 is connected with rotor block 27, rotor block 27 directly is enclosed within on the input gear shaft 34, electrical control mechanism 38 sends instruction when reductor moves, magnetic brake 19 energisings are opened, back down band-type brake arm 17, band-type brake arm 17 drives brake gear 16, opens band-type brake; While stator 31 coil electricities, rotor block 27 rotates, rotor block 27 drives input gear shaft 34 and rotates, gear on the input gear shaft 34 and 24 engagements of the gear on the intermediate gear shaft 22, gear 37 engagements on gear on the intermediate gear shaft 22 and the output shaft 39, gear 37 drives output shaft 39 and rotates, and shaft coupling 11 connects output shaft 39 and spool shaft 14.Spool shaft 14 drives cable drum 13 and rotates.When needs stopped, electrical control mechanism 38 sent instruction stator 31 coil blackouts, magnetic brake 19 outages, and band-type brake arm 17 carries out braking brake under the effect of spring 18.
Vertical magnet steel has concrete structure such as Fig. 6, shown in Figure 7 of shaft coupling coaxial-type permanent-magnet synchronous reductor: stator 31 iron cores are directly installed on the casing 26 of reductor, magnet steel 32 is connected with rotor block 27, rotor block 27 directly is enclosed within on the input gear shaft 34, electrical control mechanism 38 sends instruction when reductor moves, magnetic brake 19 energisings are opened, back down band-type brake arm 17, band-type brake arm 17 drives brake gear 16, opens band-type brake; While stator 31 coil electricities, rotor block 27 rotates, rotor block 27 drives input gear shaft 34 and rotates, gear on the input gear shaft 34 and 24 engagements of the gear on the intermediate gear shaft 22, gear 37 engagements on gear on the intermediate gear shaft 22 and the output shaft 39, gear 37 drives output shaft 39 and rotates, and shaft coupling 11 connects output shaft 39 and spool shaft 14.Spool shaft 14 drives cable drum 13 and rotates.When needs stopped, electrical control mechanism 38 sent instruction stator 31 coil blackouts, magnetic brake 19 outages, and band-type brake arm 17 carries out braking brake under the effect of spring 18.
Horizontal magnet steel does not have concrete structure such as Fig. 8, shown in Figure 9 of shaft coupling coaxial-type permanent-magnet synchronous reductor: stator core 31 is directly installed on the casing 26 of reductor, magnet steel 32 is connected with rotor block 27, rotor block 27 directly is enclosed within on the input gear shaft 34, electrical control mechanism 38 sends instruction when reductor moves, magnetic brake 19 energisings are opened, back down band-type brake arm 17, band-type brake arm 17 drives brake gear 16, opens band-type brake; Stator coil 31 energising rotor blocks 27 rotate simultaneously, rotor block 27 drives input gear shaft 34 and rotates, gear on the input gear shaft 34 and 24 engagements of the gear on the intermediate gear shaft 22, gear 37 engagements on gear on the intermediate gear shaft 22 and the output shaft 39, gear 37 drives output shaft 39 and rotates, and cable drum 13 directly is enclosed within on the output shaft 39.When needs stopped, electrical control mechanism 38 sent instruction, stator 31 coil blackouts, and magnetic brake 19 outages, band-type brake arm 17 carries out braking brake under the effect of spring 18.
Vertical magnet steel does not have concrete structure such as Figure 10, shown in Figure 11 of shaft coupling coaxial-type permanent-magnet synchronous reductor: stator 31 iron cores are directly installed on the casing 26 of reductor, magnet steel 32 is connected with rotor block 27, rotor block 27 directly is enclosed within on the input gear shaft 34, electrical control mechanism 38 sends instruction when reductor moves, magnetic brake 19 energisings are opened, back down band-type brake arm 17, band-type brake arm 17 drives brake gear 16, opens band-type brake; Stator 31 coil electricity rotor blocks 27 rotate simultaneously, rotor block 27 drives input gear shaft 34 and rotates, gear on the input gear shaft 34 and 24 engagements of the gear on the intermediate gear shaft 22, gear 37 engagements on gear on the intermediate gear shaft 22 and the output shaft 39, gear 37 drives output shaft 39 and rotates, and cable drum 13 directly is enclosed within on the output shaft 39.When needs stopped, electrical control mechanism 38 sent instruction stator 31 coil blackouts, magnetic brake 19 outages, and band-type brake arm 17 carries out braking brake under the effect of spring 18.
The concrete structure that horizontal magnet steel has a shaft coupling parallel-axis type permanent-magnet synchronous reductor is as shown in Figure 12 and Figure 13: stator core 31 is directly installed on the casing 26 of reductor, magnet steel 32 is connected with rotor block 27, rotor block 27 directly is enclosed within on the input gear shaft 34, electrical control mechanism 38 sends and instructs magnetic brake 19 energisings to open when reductor moves, back down band-type brake arm 17, band-type brake arm 17 drives brake gear 16, opens band-type brake; Stator 31 coil electricity rotor blocks 27 rotate simultaneously, rotor block 27 drives input gear shaft 34 and rotates, gear on the input gear shaft 34 and the gear 23 on the intermediate gear shaft 22 and 24 engagements, gear 37 engagements on gear on the intermediate gear shaft 22 and the output shaft 39, gear 37 drives output shaft 39 and rotates, and shaft coupling 11 connects output shaft 39 and spool shaft 14.Spool shaft 14 drives cable drum 17 and rotates.When needs stopped, electrical control mechanism 38 sent instruction stator 31 coil blackouts, magnetic brake 19 outages, and band-type brake arm 17 carries out braking brake under the effect of spring 18.
Vertical magnet steel has concrete structure such as Figure 14, shown in Figure 15 of shaft coupling parallel-axis type permanent-magnet synchronous reductor: stator 31 iron cores are directly installed on the casing 26 of reductor, magnet steel 32 is connected with rotor block 27, rotor block 27 directly is enclosed within on the gear shaft 34, electrical control mechanism 38 sends instruction when reductor moves, magnetic brake 19 energisings are opened, back down band-type brake arm 17, band-type brake arm 17 drives brake gear 16, opens band-type brake; While stator 31 coil electricities, rotor block 27 rotates, rotor block 27 driven gear axles 34 rotate, gear 23 on gear on the gear shaft 34 and the intermediate gear shaft 22 and 24 engagements, gear 37 engagements on gear on the intermediate gear shaft 22 and the output shaft 39, gear 37 drives output shaft 39 and rotates, and shaft coupling 11 connects output shaft 39 and spool shaft 14.Spool shaft 14 drives cable drum 13 and rotates.When needs stopped, electrical control mechanism 38 sent instruction stator 31 coil blackouts, magnetic brake 19 outages, and band-type brake arm 17 carries out braking brake under the effect of spring 18.
Horizontal magnet steel does not have concrete structure such as Figure 16, shown in Figure 17 of shaft coupling parallel-axis type permanent-magnet synchronous reductor: stator 31 iron cores are directly installed on the casing 26 of reductor, magnet steel 32 is connected with rotor block 27, rotor block 27 directly is enclosed within on the gear shaft 34, electrical control mechanism 38 sends instruction when reductor moves, magnetic brake 19 energisings are opened, back down band-type brake arm 17, band-type brake arm 17 drives brake gear 16, opens band-type brake; While stator 31 coil electricities, rotor block 27 rotates, rotor block 27 driven gear axles 34 rotate, gear 23 on gear on the gear shaft 34 and the intermediate gear shaft 22 and 24 engagements, gear 37 engagements on gear on the intermediate gear shaft 22 and the output shaft 39, gear 37 drives output shaft 39 and rotates, and cable drum 13 directly is enclosed within on the output shaft 39.When needs stopped, electrical control mechanism 38 sent instruction, stator 31 coil blackouts, and magnetic brake 19 outages, band-type brake arm 17 carries out braking brake under the effect of spring 18.
Vertical magnet steel does not have concrete structure such as Figure 18, shown in Figure 19 of shaft coupling parallel-axis type permanent-magnet synchronous reductor: stator 31 iron cores are directly installed on the casing 26 of reductor, magnet steel 32 is connected with rotor block 27, rotor block 27 directly is enclosed within on the gear shaft 34, electrical control mechanism 38 sends instruction when reductor moves, magnetic brake 19 energisings are opened, back down band-type brake arm 17, band-type brake arm 17 drives brake gear 16, opens band-type brake; While stator 31 coil electricities, rotor block 27 rotates, rotor block 27 driven gear axles 34 rotate, gear 23 on gear on the gear shaft 34 and the intermediate gear shaft 22 and 24 engagements, gear 37 engagements on gear on the intermediate gear shaft 22 and the output shaft 39, gear 37 drives output shaft 39 and rotates, and cable drum 13 directly is enclosed within on the output shaft 39.When needs stopped, electrical control mechanism 38 sent instruction, stator 31 coil blackouts, and magnetic brake 19 outages, band-type brake arm 17 carries out braking brake under the effect of spring 18.
The oil pumper of present embodiment, the effect of its electrical control mechanism 38 are that control permanent-magnet synchronous reductor drives sucker rod 6 and does and pump.With reference to Figure 20, Figure 21, controlling organization 38 comprises electric control box and is arranged in temperature detection controlling organization, permanent-magnet synchronous reductor protection mechanism, manual control box, anti-lightning strike Surge Protector in special converter for pumping unit in it, envelope star contactor, band-type brake controlling organization, the control cabinet, and is installed in switch 20 and reverser 21 on the pylon 2, is installed in encoder or rotary transformer on the permanent-magnet synchronous reductor input gear shaft 39; Wherein:
Electric control box---be fixed on a side of reduction box casing 26, be used for placing and protection electrical control mechanism 38 needed electric components;
Special converter for pumping unit---be located in the electric control box, be used to drive the permanent-magnet synchronous reductor and drive sucker rod 6 and do in the impulse stroke of setting with the speed of setting and pump; Its signal input part is connected with the signal input part of manual control box, switch 20 and reverser 21, encoder or rotary transformer, anti-lightning strike Surge Protector respectively, and its signal output part is connected with the signal input part of envelope star contactor, band-type brake controlling organization respectively;
Encoder or rotary transformer---be installed in alternatively on the permanent-magnet synchronous reductor input gear shaft 34, be used to detect the position of magnetic pole of permanent-magnet synchronous reductor rotor block 27; The signal of its generation is as a signal input part of special converter for pumping unit;
The envelope star contactor---being installed in the electric control box, the signal output part of its signal input part and special converter for pumping unit joins; Stator 31 coils of its signal output part and driving host 1 join.When frequency converter has run signal output, the adhesive of envelope star contactor, frequency converter and driving host stator coil constitute path, and driving host 1 gets electric operation; When the frequency converter stop signal was exported, the envelope star contactor disconnected, and stator 31 coil electrics of frequency converter and driving host 1 are isolated, and seal the output short circuit of star contactor simultaneously, make driving host 1 carry out dynamic braking;
The band-type brake controlling organization---be located in the electric control box, be used to control the release and the braking of magnetic brake.The signal output part of its signal input part and special converter for pumping unit joins; Its signal output part and magnetic brake join;
Temperature detection controlling organization in the control cabinet---be used for the temperature control of electric control box, comprise the temperature-detecting device and the air ejector fan that are installed in the band temperature detect switch (TDS) in the electric control box; When temperature-detecting device detected electrical control the temperature inside the box and reaches default extreme temperatures value or utmost point low value, the temperature detect switch (TDS) closing of contact or disconnection were with the keying of control air ejector fan;
Permanent-magnet synchronous reductor protection mechanism---be located in the electric control box, be used for the overload protection of permanent-magnet synchronous reductor; Hot protective resistance in its signal input part and the permanent-magnet synchronous reductor is joined, and its signal output part is as a signal input part of special converter for pumping unit;
The manual control box---be located in the electric control box, be electrically connected with special converter for pumping unit, be used to control the selection of the stopping of oil pumper, operation and the method for operation; By set button input signal on the manual control box, and transfer signals to special converter for pumping unit;
Anti-lightning strike Surge Protector---to be located in the electric control box, its signal input part joins with the signal input part of external impetus power line and special converter for pumping unit respectively, other end ground connection, the electric components when being used for thunder and lightning and taking place in the protection electric control box.
Figure 21 is the circuit diagram of electrical control mechanism, and QF1-QF4 is an air-break among the figure, and SPD is a Surge Protector; KM1 is the envelope star contactor; KM2 is the band-type brake control contactor, and KA1 is envelope star contactor signal relay, and KA2 is the band-type brake signal relay; KA3 is the fault-signal relay; FR1 is a temperature detect switch, and BZKZ is the band-type brake control panel, and M1 is an air ejector fan; PM is the permanent-magnet synchronous reductor; CZ is the cabinet interpolation block, and DCPW is a Switching Power Supply, and SB1 is a scram button; SB2 is manual up button; SB3 is manual descending button, and SA1 is manual automatic selector switch, and SQ1 is for seeking zero switch; SQ2 is for oppositely seeking zero switch; EOM is an encoder, and DZR is a braking resistor, and BZQ is the magnetic brake coil; PTC is a permanent-magnet synchronous reductor protection switch, and BPQ is a special converter for pumping unit.
Central processing unit-as the program running processing unit, its port links to each other with wireless module, and its IO data port links to each other with liquid crystal, keyboard respectively.It adopts STC12C5A60S2 to be responsible for program implementation, and this processor carries the internal storage of the storage that is used for data.In the circuit diagram of the central processing unit of Figure 23 and interlock circuit, capacitor C 12, capacitor C 13, crystal oscillator Y1 form clock circuit, for U1 (commercially available STC12C5A60S2 chip, its inner integrated EEPROM can be used as data storage) provides frequency of oscillation; Capacitor C 14 and resistance R 1 are formed reset circuit; Resistance R 18, R19 form bleeder circuit, are used to measure cell voltage; Resistance R 23 and switch triode Q1 form transistor switching circuit, are used to the backlight switch of liquid crystal display, switch triode Q1 S8050; Resistance R 10-R17 is a pull-up resistor, draws for keyboard interface J7 provides, and keyboard adopts the customization film key.
Power module-be used as the power management of whole remote control, by the power supply of battery to whole remote control.Power module comprises lithium electricity battery, lithium electricity charger, power switch, LM2576 Voltage stabilizing module, LM1117 Voltage stabilizing module, wherein LM2576 is responsible for providing 5V power supply to central processing unit, LCD MODULE, and LM1117 is responsible for providing 3.3V power supply to wireless communication module.With reference to power module circuitry figure shown in Figure 25, wherein: J1 is the lithium battery power supply interface, and two interfaces connect GND, positive pole respectively; The U2LM2576 chip is the 5V power regulator module, and it and diode D1 and inductance L 1 are jointly for system provides 5V power supply, and filter capacitor C1 is battery filtering, and filter capacitor C2, C3 are U2LM2576 output 5V power filter; Connect power switch between 2 wiring of J1 interface and 1 wiring of U2LM2576 chip, whether the power switch of responsible whole remote controller; The J8 wire jumper gets final product its short circuit when needs are powered to U5 for whether U5 powers; U5 is a LM1117 voltage-stabilized power supply chip, and it is responsible for subsequent conditioning circuit 3.3V is provided power supply, and filter capacitor C4 carries out power filter for it.
Keysheet module-by the keyboard input signal, its signal output part and central processing unit IO mouth join, and are used for control program and carry out;
Communication module-its signal input part and central processing unit communication port join, its signal output part and antenna join, be used for carrying out data communication with the oil well control panel that is installed on well control system, the real-time update data are handled the back through central processing unit and are exported by display module.Communication module comprises antenna and WAP200B wireless module, is responsible for the transmission and the reception of remote-controller data respectively.Wireless module radiating circuit shown in Figure 26, wherein U4 is commercially available WAP200B wireless module, is responsible for that the data that STC12C5A60S2 sends are converted to radio signal and launches by antenna; The E1 interface is an antennal interface, is used for the radio signal that U4 sends is sent; The power supply that inductance L 2-L4, filter capacitor C5-C9 are responsible for U5 is provided carries out filtering, is the U4 power supply.
Display module-its signal input part and central processing unit IO mouth join, and are used for the demonstration of data and program.Display module adopts 12864 liquid crystal displays: in LCD Interface circuit shown in Figure 24, J2 is a LCD Interface, external commercially available JKL1286F4E liquid crystal display, and R2 is an adjustable resistance, forms bleeder circuit, for liquid crystal display provides Display Contrast voltage.
The oil pumper of the said structure that present embodiment one is provided, its running is as follows:
1. manually overhaul pattern: when needs manually move, pull the automatic/hand selector switch in the manual control box in the control cabinet manual, and open a redness mushroom scram button in the maneuver box, press manual up button, special converter for pumping unit (hereinafter to be referred as frequency converter) beginning output signal, make envelope star contactor closure, the magnetic brake of band-type brake control system control simultaneously gets electric release, and frequency converter driving this moment permanent-magnet synchronous reductor drives upwards operation of sucker rod with the manual speed uplink V1 that sets.Otherwise press manual descending button, frequency converter drives the permanent-magnet synchronous reductor and moves downwards with the manual downstream rate V2 drive sucker rod of setting.When unclamping manual up button or manual descending button, frequency converter stops output, and the envelope star contactor disconnects, and the band-type brake control system is controlled the braking of magnetic brake dead electricity simultaneously.
2. automatic operational mode: when needs move automatically, automatic/hand selector switch in the manual control box in the control cabinet is pulled automatic transmission, and open a redness mushroom scram button in the maneuver box, special converter for pumping unit (begins output signal hereinafter to be referred as frequency converter, make envelope star contactor closure, the magnetic brake of band-type brake control system control simultaneously gets electric release, this moment, frequency converter drove the speed V3 drive sucker rod at a slow speed downwards operation (be counterweight upwards operation) of permanent-magnet synchronous reductor to set, when counterweight upwards runs to as shown in Figure 2 Zero-point switch, this switch closure, give the trigger of frequency converter signal, after frequency converter obtains this triggering signal, drive the commutation of permanent-magnet synchronous reductor, drive the automatic operation speed uplink V4 upwards operation of sucker rod to set.When sucker rod when upwards operation (being that counterweight moves downwards) is to frequency converter is set up stroke position C point, frequency converter internal trigger, drive the commutation of permanent-magnet synchronous reductor and drive sucker rod and move downwards with the automatic operation downstream rate V5 of setting.When oil pumper moved (be counterweight upwards operation) to frequency converter is set down stroke position D point downwards, the frequency converter internal trigger drove the commutation of permanent-magnet synchronous reductor and drives sucker rod and upwards moves with the speed uplink V4 that sets.So frequency converter is just controlled sucker rod and do motion up and down at 2 between C, D.Change the C point of frequency converter inside or the setting value that D is ordered, can regulate the stroke of oil pumper easily.Change the speed uplink V4 of frequency converter inside and the setting value of downstream rate V5, the jig frequency that can regulate oil pumper easily.
Embodiment two
Present embodiment only is that with the difference of embodiment one driving host 1 is different with the distribution mode of pylon 2, and the structure of other parts is all identical with embodiment one.
Driving host 1 relative pylon 2 is a underneath type in the present embodiment, and with reference to figure 2: driving host 1 is fixed on the ground 9 of pylon 2 belows; The place, both sides of the edge corresponding to driving host 1 top at pylon 2 tops is fixed with directive wheel support 10 respectively, and the wheel shaft of wire rope directive wheel 3 is fixedly hinged on directive wheel support 10; Be wound with on the cable drum two wire rope 4 and 4 ', their end is individually fixed on the cable drum, their free end connects with first sucker rod 6, combination counterweight 8 respectively after wheel shaft is fixedly hinged wire rope directive wheel 3 on pylon; First sucker rod, counterweight respectively at wire rope 4 and 4 ' free end dangle; The wheel shaft of wire rope directive wheel 3 is horizontally disposed with steel wire rope coiler axis with paralleling.
Embodiment three
Make present embodiment and only be that with the difference of embodiment two driving host 1 is different with the distribution mode of pylon 2, the structure of other parts is all identical with embodiment one.
Driving host 1 relative pylon 2 is a underneath type in the present embodiment, and with reference to figure 3: driving host 1 is fixed on the ground 9 of pylon 2 belows, also is provided with a wire rope directive wheel that is arranged in parallel with driving host 1 on the ground 9; Combination counterweight 8 among the embodiment one is with second sucker rod 6 ' substitute; The place, both sides of the edge corresponding to driving host 1 top at pylon 2 tops is fixed with directive wheel support 10 respectively, and the wheel shaft of wire rope directive wheel 3 is fixedly hinged on directive wheel support 10; Be wound with on the cable drum two wire rope 4 and 4 ', their end is individually fixed on the cable drum, their free end after wheel shaft is fixedly hinged wire rope directive wheel 3 on pylon respectively with first sucker rod 6, second sucker rod 6 ' fixedly link, first sucker rod 6, second sucker rod 6 ' in 4 and 4 ' free end dangle.
Present embodiment utilizes first sucker rod 6, second sucker rod 6 ' simultaneously two mouthfuls of oil wells are pumped.
Claims (10)
1. oil pumper, comprise the driving host that fixedly installs, be fixed in the pylon on the ground, first sucker rod by the driving host driving, it is characterized in that: described driving host is the permanent-magnet synchronous reductor, which is provided with by driving host and export shaft-driven cable drum, be wound with two wire rope on the cable drum, the fixed end of every wire rope is fixing on cable drum, wherein one connects with first sucker rod in its free end after wheel shaft is fixedly hinged wire rope directive wheel on pylon, and another free end directly connects with counterweight or connects with counterweight in its free end after wheel shaft is fixedly hinged wire rope directive wheel on pylon; First sucker rod, counterweight dangle in the free end of corresponding wire rope; The wheel shaft of wire rope directive wheel is horizontally disposed with the cable drum axis with paralleling.
2. oil pumper according to claim 1 is characterized in that: the relative pylon of described driving host is an overhead, and promptly driving host is fixed in upward middle part, pylon top; Described counterweight is the combination counterweight, is positioned at pylon and is located at biased outward place, driving host below; Top with the opposite side of combination counterweight place one side of driving host on the pylon is fixed with the directive wheel support of stretching laterally, and the wheel shaft of wire rope directive wheel is fixedly hinged on support; Described wire rope is fixed respectively at free end and first sucker rod, counterweight after wheel shaft is fixedly hinged wire rope directive wheel on pylon, and first sucker rod, counterweight dangle in the free end of corresponding wire rope.
3. oil pumper according to claim 1 is characterized in that: the relative pylon of described driving host is a underneath type, and promptly driving host is fixed on the ground of pylon below; Described counterweight is the combination counterweight; The place, both sides of the edge corresponding to the driving host top of tower top is fixed with the directive wheel support respectively, and the wheel shaft of wire rope directive wheel is fixedly hinged on the directive wheel support; Described wire rope is sagging and fixedly link in first sucker rod of free end and homonymy or combination counterweight behind the wire rope directive wheel of homonymy respectively, and first sucker rod, counterweight dangle in the free end of corresponding wire rope.
4. oil pumper according to claim 1 is characterized in that: the relative pylon of described driving host is a underneath type, and promptly driving host is fixed on the ground of pylon below; Described counterweight is second sucker rod; The place, both sides of the edge corresponding to the driving host top of tower top is fixed with the directive wheel support respectively, and the wheel shaft of wire rope directive wheel is fixedly hinged on the directive wheel support; Described wire rope is sagging and fixedly link in first sucker rod or second sucker rod of free end and homonymy behind the wire rope directive wheel of homonymy respectively, and first sucker rod, second sucker rod dangle in the free end of corresponding wire rope.
5. according to each described oil pumper among the claim 1-4, it is characterized in that: described permanent-magnet synchronous reductor comprises electrical control mechanism, rotor block, magnet steel, stator, reduction box, the arrestment mechanism that has magnetic brake is for horizontal magnet steel has the shaft coupling coaxial-type, vertical magnet steel has the shaft coupling coaxial-type, horizontal magnet steel does not have the shaft coupling coaxial-type, vertical magnet steel does not have the shaft coupling coaxial-type, horizontal magnet steel has the shaft coupling parallel-axis type, vertical magnet steel has the shaft coupling parallel-axis type, horizontal magnet steel does not have shaft coupling parallel-axis type or vertical magnet steel and does not have a kind of in the shaft coupling parallel-axis type.
6. oil pumper according to claim 5, it is characterized in that: described electrical control mechanism comprises electric control box and is arranged in temperature detection controlling organization, permanent-magnet synchronous reductor protection mechanism, manual control box, anti-lightning strike Surge Protector in special converter for pumping unit in it, envelope star contactor, band-type brake controlling organization, the control cabinet, and is installed in switch and reverser on the pylon, is installed in encoder or rotary transformer on the permanent-magnet synchronous reductor input gear shaft; Wherein:
Electric control box---be fixed on a side of reduction box casing, be used to place and protect the electric components of electrical control mechanism;
Special converter for pumping unit---be located in the electric control box, be used to drive the permanent-magnet synchronous reductor and drive sucker rod and do in the impulse stroke of setting with the speed of setting and pump; Its signal input part is connected with the signal input part of manual control box, switch and reverser, encoder or rotary transformer, anti-lightning strike Surge Protector respectively, and its signal output part is connected with the signal input part of envelope star contactor, band-type brake controlling organization respectively;
Encoder---be installed on the permanent-magnet synchronous reductor input gear shaft, be used to detect permanent-magnet synchronous reductor rotor magnetic pole position; The signal of its generation is as a signal input part of special converter for pumping unit;
Rotary transformer---be installed on the permanent-magnet synchronous reductor input gear shaft, be used to detect permanent-magnet synchronous reductor rotor magnetic pole position; The signal of its generation is as a signal input part of special converter for pumping unit;
The envelope star contactor---being installed in the electric control box, the signal output part of its signal input part and special converter for pumping unit joins; The stator coil of its signal output part and driving host joins.When frequency converter has run signal output, the adhesive of envelope star contactor, frequency converter and driving host stator coil constitute path, and driving host gets electric operation; When the frequency converter stop signal was exported, the envelope star contactor disconnected, and frequency converter and driving host stator coil electrical isolation are sealed the output short circuit of star contactor simultaneously, make driving host carry out dynamic braking;
The band-type brake controlling organization---be located in the electric control box, be used to control the release and the braking of magnetic brake.The signal output part of its signal input part and special converter for pumping unit joins; Its signal output part and magnetic brake join;
Temperature detection controlling organization in the control cabinet---be used for the temperature control of electric control box, comprise the temperature-detecting device and the air ejector fan that are installed in the band temperature detect switch (TDS) in the electric control box; When temperature-detecting device detected electrical control the temperature inside the box and reaches default extreme temperatures value or utmost point low value, the temperature detect switch (TDS) closing of contact or disconnection were with the keying of control air ejector fan;
Permanent-magnet synchronous reductor protection mechanism---be located in the electric control box, be used for the overload protection of permanent-magnet synchronous reductor; Hot protective resistance in its signal input part and the permanent-magnet synchronous reductor is joined, and its signal output part is as a signal input part of special converter for pumping unit;
The manual control box---be located in the electric control box, be electrically connected with special converter for pumping unit, be used to control the selection of the stopping of oil pumper, operation and the method for operation; By set button input signal on the manual control box, and transfer signals to special converter for pumping unit;
Switch and reverser---being installed on the pylon, its output signal is connected with special converter for pumping unit, is used to adjust the maximum functional stroke of oil pumper,
Anti-lightning strike Surge Protector--be located in the electric control box, its signal input part joins with the signal input part of external impetus power line and special converter for pumping unit respectively, other end ground connection, the electric components when being used for thunder and lightning and taking place in the protection electric control box.
7. oil pumper according to claim 6, it is characterized in that: described electrical control mechanism also comprises remote control, this remote control comprises that central processing unit reaches and the power module that is linked to each other by central processing unit, Keysheet module, communication module, display module and memory module, wherein:
Central processing unit-as the program running processing unit, its port links to each other with wireless module, and its IO data port links to each other with liquid crystal, keyboard respectively;
Power module-be used as the power management of whole remote control, by the power supply of battery to whole remote control;
Keysheet module-by the keyboard input signal, its signal output part and central processing unit IO mouth join, and are used for control program and carry out;
Communication module-its signal input part and central processing unit communication port join, its signal output part and antenna join, be used for carrying out data communication with the oil well control panel that is installed on well control system, the real-time update data are handled the back through central processing unit and are exported by display module;
Display module-its signal input part and central processing unit IO mouth join, and are used for the demonstration of data and program;
Memory module-because the inner self-contained storing devices of the central processing unit that adopts, so adopt the central processing unit internal storage to carry out the storage of data.
8. according to each described oil pumper among the claim 1-4, it is characterized in that: be rotatable hinged securement that cooperates or being fixedly connected of cooperation slidably between described directive wheel support and pylon.
9. according to each described oil pumper among the claim 1-4, it is characterized in that: described arrestment mechanism is a kind of in drum brake, block brake, disc type brake or the braking of cover shaft type.
10. according to each described oil pumper among the claim 1-4, it is characterized in that: described permanent-magnet synchronous reductor is gear drive, and described gear is duplicate gear or individual gears.
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| CN 201010033355 CN101775970B (en) | 2010-01-12 | 2010-01-12 | Oil pumping machine |
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| CN 201010033355 CN101775970B (en) | 2010-01-12 | 2010-01-12 | Oil pumping machine |
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| CN101775970B CN101775970B (en) | 2013-11-06 |
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| CN103105828A (en) * | 2011-11-14 | 2013-05-15 | 洪河 | Pumping unit belt tension measuring cluster management system |
| CN104234669A (en) * | 2014-09-08 | 2014-12-24 | 刘松岭 | Frequency conversion non-stop stroke adjustment and specific water-cycle adjustment device for pumping unit |
| CN104763381A (en) * | 2015-03-24 | 2015-07-08 | 西安合远能通科技有限公司 | Vertical shaft oil pumping unit system |
| CN104793571A (en) * | 2014-01-16 | 2015-07-22 | 刘国勇 | Method and device for comprehensive oil pumping well measurement and control |
| CN106241592A (en) * | 2016-09-09 | 2016-12-21 | 上海云童机械有限公司 | A kind of wireless suspender of the untethered for crane |
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| RU2205978C2 (en) * | 2001-07-09 | 2003-06-10 | Богатырев Павел Иванович | Chain-driven pumping unit for two wells |
| CN1456786A (en) * | 2003-05-22 | 2003-11-19 | 孙平 | Oil sucking drive |
| CN1936268A (en) * | 2006-09-10 | 2007-03-28 | 濮阳市信宇石油机械化工有限公司 | Vertical oil-pumping machine |
| CN200989195Y (en) * | 2006-12-28 | 2007-12-12 | 蔡光宇 | Gear free driving energy-saving beam-pumping unit |
| CN101265795A (en) * | 2008-05-01 | 2008-09-17 | 宁波欣达（集团）有限公司 | Oil pumping machine |
| CN201599012U (en) * | 2010-01-12 | 2010-10-06 | 马俊金 | Oil pumping unit |
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| CN103105828A (en) * | 2011-11-14 | 2013-05-15 | 洪河 | Pumping unit belt tension measuring cluster management system |
| CN104793571A (en) * | 2014-01-16 | 2015-07-22 | 刘国勇 | Method and device for comprehensive oil pumping well measurement and control |
| CN104234669A (en) * | 2014-09-08 | 2014-12-24 | 刘松岭 | Frequency conversion non-stop stroke adjustment and specific water-cycle adjustment device for pumping unit |
| CN104763381A (en) * | 2015-03-24 | 2015-07-08 | 西安合远能通科技有限公司 | Vertical shaft oil pumping unit system |
| CN106241592A (en) * | 2016-09-09 | 2016-12-21 | 上海云童机械有限公司 | A kind of wireless suspender of the untethered for crane |
| CN109217557A (en) * | 2018-11-09 | 2019-01-15 | 安徽江淮汽车集团股份有限公司 | A kind of proof adjustable variable-frequency motor overload protection arrangement |
| CN109217557B (en) * | 2018-11-09 | 2019-09-24 | 安徽江淮汽车集团股份有限公司 | A kind of proof adjustable variable-frequency motor overload protection arrangement |
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Effective date of registration: 20180607 Address after: 052160 East 800 meters (three meters) of Chen Jia Zhuang three row village in Gaocheng District, Shijiazhuang City, Hebei (north of Vocational Education Center) Patentee after: SHIJIAZHUANG TONGAN MACHINERY Co.,Ltd. Address before: 050047 No. 41, No. 70, Shi Zheng highway, Qiaodong District, Shijiazhuang, Hebei. Patentee before: Ma Junjin |
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Application publication date: 20100714 Assignee: Hebei Tongsen Precision Machinery Co.,Ltd. Assignor: SHIJIAZHUANG TONGAN MACHINERY Co.,Ltd. Contract record no.: X2023980037896 Denomination of invention: Pumping unit Granted publication date: 20131106 License type: Common License Record date: 20230711 Application publication date: 20100714 Assignee: Hebei Tongyue Electromechanical Equipment Co.,Ltd. Assignor: SHIJIAZHUANG TONGAN MACHINERY Co.,Ltd. Contract record no.: X2023980038030 Denomination of invention: Pumping unit Granted publication date: 20131106 License type: Common License Record date: 20230713 |
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