CN204965485U - Be used for manual locking of ram -type preventer and unblock number of turns measuring electronic counting appearance - Google Patents
Be used for manual locking of ram -type preventer and unblock number of turns measuring electronic counting appearance Download PDFInfo
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- CN204965485U CN204965485U CN201520740842.0U CN201520740842U CN204965485U CN 204965485 U CN204965485 U CN 204965485U CN 201520740842 U CN201520740842 U CN 201520740842U CN 204965485 U CN204965485 U CN 204965485U
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- housing
- main shaft
- holder
- locking
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Abstract
(B, ) the utility model relates to count technical field is a be used for manual locking of ram -type preventer and unblock number of turns measuring electronic counting appearance which comprises display terminal, signal acquisition case and sensor is counted in at least one locking, and locking count sensor includes the spacing main shaft casing that install outside locking off -axial end and can follow locking axle coaxial rotation of installation casing, axle sleeve type encoder and ability, signal processing module's signal output part links together with display terminal's signal input part electricity. The utility model discloses an use display terminal, information acquisition case and the cooperation of locking count sensor, can make the main shaft casing along with the locking rotation of axes to the associated data of angle displacement volume with the actual number of turns of rotation of locking axle is acquireed through display terminal and information acquisition case, its easy operation is convenient, labour saving and time saving, and its count is accurate, and the fault rate is low, and stability is high, has good application effect, and can effectively improve the factor of safety of its construction. (B, )
Description
Technical field
the utility model relates to counting assembly technical field, is a kind of for ram preventer manual locking and the electronic counting instrument unlocking number of turns measurement.
Background technology
ram preventer manual locking device is very important ingredient in Oil/gas Well well head set-up.But in current petroleum drilling work progress at home, the judgement of ram preventer manual locking and released state generally uses rope to be wound around counting and mechanical counter.Above-mentioned two kinds of metering method method count accuracy are poor, and failure rate is high, and effect of field application is poor, accurately can not facilitate the actual number of turns of metering switch well, easily cause security incident.
Summary of the invention
the utility model provides a kind of for ram preventer manual locking and the electronic counting instrument unlocking number of turns measurement, overcome the deficiency of above-mentioned prior art, the count accuracy that its judgment mode that effectively can solve existing ram preventer manual locking and released state exists is poor, failure rate is high, effect of field application is poor, accurately can not facilitate the actual number of turns of metering switch well, easily cause the problem of security incident.
the technical solution of the utility model is realized by following measures: a kind of for ram preventer manual locking and the electronic counting instrument unlocking number of turns measurement, comprise display terminal, signals collecting case and at least one locking sensor for countering, locking sensor for countering, comprises holder housing, axle sleeve type scrambler and to be installed in outside lock shaft outer end and can with the main shaft housing of lock shaft coaxial rotation; Be set with the main shaft housing that can rotate in contrast inside holder housing, between holder housing and main shaft housing, form installation cavity; Axle sleeve type scrambler is provided with in installation cavity, axle sleeve type scrambler comprises the angular displacement detecting device of code-disc and energy identification code disc spins direction and the anglec of rotation, code-disc is positioned at installation cavity and around being fixedly mounted on main shaft hull outside, angular displacement detecting device is positioned at installation cavity and is fixedly mounted on holder housing, and the holder housing of corresponding angles displacement detector signal output part wiring position is provided with wire and installs passage; Signals collecting case is built-in with the output signal that can identify each angular displacement detecting device and this output signal process can be converted into the signal processing module that signal that display terminal can identify exports, signals collecting case is provided with power supply interface, the signal output part of each angular displacement detecting device is electrically connected through the wire installation passage of correspondence and each signal input part of signal processing module respectively by the corresponding wire that connects, and the signal output part of signal processing module and the signal input part of display terminal are electrically connected.
here is the further optimization and/or improvements to above-mentioned utility model technical scheme:
above-mentioned angular displacement detecting device can comprise two grooved proximity switches, two grooved proximity switches are arranged on the lower inside of holder housing to interval along front and back, all there is the U-type groove mouth of opening upwards at the middle part of each grooved proximity switch, and the code channel of code-disc is positioned at corresponding U-lag mouth.
rolling bearing can be set with between above-mentioned holder housing and main shaft housing.
above-mentioned holder housing can comprise covering housing, end cap and base, main shaft hull outside is set with covering housing and end cap from left to right successively, the right-hand member of covering housing and the left end of end cap are fixedly installed togather, be installed with base between the bottom of covering housing and the bottom of end cap, main shaft hull outside and covering housing, between end cap and base, form installation cavity; Outer land is provided with outside the middle part of main shaft housing, the main shaft hull outside of corresponding outer land left part outer fix is provided with limited ring dais, the inner side of the covering housing of corresponding outer land position is provided with inner groove, the rolling bearing be sleeved on outside outer land is provided with in inner groove, the left end of rolling bearing inner ring is against on the right side of limited ring dais, and the left end of housing washer is against on the left side bottom land of inner groove; Right annular groove is provided with in the covering housing of corresponding inner groove right outer fix, between corresponding rolling bearing and end cap, the main shaft hull outside of position is set with the pressure ring, code-disc and the set nut that are all positioned at right annular groove from left to right successively, and the outside of main shaft housing is threaded connection with the inner side of set nut pressure ring and code-disc are pressed on rolling bearing inner ring right side and is fixedly installed togather; The installation window communicated with right annular groove is provided with between the bottom of covering housing and the bottom of end cap, the corresponding base installing the window's position is provided with and is provided with two grooved proximity switches along front and back to interval, the base of corresponding grooved proximity switch signal output part wiring position is provided with wire and installs passage.
above-mentioned base can comprise spacer shell and holder, spacer shell and holder are fixedly installed togather by coupling bolt and covering housing, the top of the holder of corresponding installation the window's position is along front and back to being intervally distributed with two mounting grooves, in each mounting groove, all limit mounting has grooved proximity switch, the holder of grooved proximity switch lower position is provided with wire restraint window, the holder of corresponding each grooved proximity switch signal output part wiring position is equipped with the connection path that can be communicated with wire restraint window, the cable-through hole communicated with wire restraint window is had inside the holder of the spacing window lower position of corresponding lead, connection path and wire restraint window are communicated with cable-through hole and form wire installs passage, limited location edge outside the holder of the spacing window lower position of corresponding lead, is set with wire restraint window can be coated on interior spacer shell in the upper outside of holder, and the base part seat of spacer shell is on spacing edge.
be installed with cable pressing plate by screw in the wire restraint window of above-mentioned corresponding spacer shell inner side, cable-through hole is installed with cable connector.
can be provided with the bearing plate be sleeved on outside pressure ring in the right annular groove of position, above-mentioned corresponding rolling bearing right, the left end of bearing plate and the left side bottom land of right annular groove are fixedly installed togather.
the inner chamber of above-mentioned main shaft housing can be the suit passage that left and right be run through, and suit passage comprises the straight tube passage and four square channels that distribute successively from left to right.
above-mentioned display terminal and signals collecting case all can be antiknock device, are provided with standby power supply module in signals collecting case.
above-mentioned display terminal is or/and signals collecting case all can be provided with preserved signal interface.
the utility model reasonable and compact in structure, its by by display terminal, information acquisition case and locking sensor for countering with the use of, main shaft housing can be made to rotate with lock shaft, and by the sense of rotation of code-disc and angular displacement detecting device Real-Time Monitoring lock shaft, the anglec of rotation and variation in angular displacement, and then obtained the related data of the angular displacement of lock shaft and the actual number of turns of rotation by display terminal and information acquisition case, also by intuitively can show locking or the released state of lock shaft to the setting of display terminal and information acquisition case; It is simple to operation, time saving and energy saving, and its counting precisely, failure rate is low, and stability is high, has good effect, and effectively can improve the safety coefficient of its construction.
Accompanying drawing explanation
accompanying drawing 1 is the main TV structure schematic diagram of the utility model most preferred embodiment.
accompanying drawing 2 is that the master of locking sensor for countering in accompanying drawing 1 looks broken section structural representation.
accompanying drawing 3 is the sectional structure schematic diagram of accompanying drawing 2 at A-A place.
coding in accompanying drawing is respectively: 1 is main shaft housing, and 2 is code-disc, and 3 is grooved proximity switch, 4 is rolling bearing, and 5 is covering housing, and 6 is end cap, 7 is outer land, and 8 is limited ring dais, and 9 is pressure ring, 10 is set nut, and 11 is spacer shell, and 12 is holder, 13 is coupling bolt, and 14 is wire restraint window, and 15 is spacing edge, 16 is screw, 17 is cable pressing plate, and 18 is cable connector, and 19 is bearing plate, 20 is straight tube passage, 21 is four square channels, and 22 is display terminal, and 23 is signals collecting case, 24 for connecting wire, and 25 is power supply interface.
Embodiment
the utility model by the restriction of following embodiment, can not determine concrete embodiment according to the technical solution of the utility model and actual conditions.
in the utility model, for convenience of description, the description of the relative position relation of each parts is all be described according to the Butut mode of Figure of description 3, as: the position relationship of forward and backward, upper and lower, left and right etc. determines according to the Butut direction of Figure of description.
below in conjunction with embodiment and accompanying drawing, the utility model is further described:
as shown in accompanying drawing 1,2,3, this electronic counting instrument being used for ram preventer manual locking and the measurement of the unblock number of turns comprises display terminal 22, signals collecting case 23 and at least one locking sensor for countering, locking sensor for countering, comprises holder housing 1, axle sleeve type scrambler and to be installed in outside lock shaft outer end and can with the main shaft housing of lock shaft coaxial rotation; Be set with the main shaft housing that can rotate in contrast inside holder housing 1, between holder housing 1 and main shaft housing, form installation cavity; Axle sleeve type scrambler is provided with in installation cavity, axle sleeve type scrambler comprises code-disc 2 and can identify the angular displacement detecting device of code-disc 2 sense of rotation and the anglec of rotation, code-disc 2 is positioned at installation cavity and around being fixedly mounted on main shaft hull outside, angular displacement detecting device is positioned at installation cavity and is fixedly mounted on holder housing 1, and the holder housing 1 of corresponding angles displacement detector signal output part wiring position is provided with wire and installs passage; Signals collecting case 23 is built-in with the output signal that can identify each angular displacement detecting device and this output signal process can be converted into the signal processing module that signal that display terminal 22 can identify exports, signals collecting case 23 is provided with power supply interface 25, the signal output part of each angular displacement detecting device is electrically connected through the wire installation passage of correspondence and each signal input part of signal processing module respectively by the corresponding wire 24 that connects, and the signal output part of signal processing module and the signal input part of display terminal 22 are electrically connected.In use procedure, first each locking sensor for countering is set on corresponding lock shaft to be monitored, now each main shaft housing will be installed in corresponding lock shaft outer end respectively, then being connected on power supply interface 25 and socket respectively by the two ends of power lead, is now that signals collecting case 23 is powered by socket and power lead, when rotation lock mandrel time-code dish 2 will rotate with main shaft housing, angular displacement detecting device will keep original position constant with holder housing 1, the Monitoring Data that now angular displacement detecting device can be obtained exports to signals collecting case 23 by connecting wire 24, then display terminal 22 is exported to by signal processing module, the related data of the angular displacement of lock shaft and the actual number of turns of rotation is obtained thus by display terminal 22, thus judge ram preventer manual locking and released state, also by intuitively can show locking or the released state of lock shaft to the setting of display terminal 22 or signals collecting case 23, namely in display terminal 22 or signals collecting case 23, set the rotating cycle of lock shaft under locking state in advance, when the reality detection number of turns conforms to the setting number of turns, then can show locking state on display terminal 22, otherwise then Explicit solutions lock status, the utility model is simple to operation, time saving and energy saving, and its counting precisely, failure rate is low, and stability is high, has good effect, and effectively can improve the safety coefficient of its construction.According to demand, axle sleeve type scrambler can adopt existing known technology; Display terminal 22 and each angular displacement detecting device can be distinguished built-in power module or be powered by signals collecting case 23; Display terminal 22 can be provided with corresponding function button, like this by operations such as function button realization display switching, page turning, display are arranged.
according to actual needs, the above-mentioned electronic counting instrument for ram preventer manual locking and the measurement of the unblock number of turns can be made further optimization and/or improvements:
as shown in accompanying drawing 1,2,3, angular displacement detecting device comprises two grooved proximity switches 3, two grooved proximity switches 3 are arranged on the lower inside of holder housing 1 to interval along front and back, all there is the U-type groove mouth of opening upwards at the middle part of each grooved proximity switch 3, and the code channel of code-disc 2 is positioned at corresponding U-lag mouth.In use, code-disc 2 will be rotated with lock shaft by main shaft housing, and the conversion by code channel is exported different induced signals by grooved proximity switch 3, and display terminal 22 and signals collecting case 23 are by calculating the rotational speed of lock shaft thus; Code-disc 2 also provides phase differential to be two groups of electric impulse signals of 90 ° by two grooved proximity switches 3, exported the sense of rotation making display terminal 22 and signals collecting case 23 energy judgement place lock shaft by the signal of two grooved proximity switches 3, draw the anglec of rotation and the rotating cycle of lock shaft thus; Number of turns value also by presetting lock shaft locking state in display terminal 22 and signals collecting case 23 can show locking and the released state of lock shaft, easy to use laborsaving, and can be convenient to the rotation status that staff can inquire about lock shaft intuitively.
as shown in accompanying drawing 1,2,3, between holder housing 1 and main shaft housing, be set with rolling bearing 4.Main shaft housing can be made like this to be mounted opposite the rotation of housing 1 more easily laborsaving, and can make between the two relatively rotate more stable.
as shown in accompanying drawing 1,2,3, holder housing 1 comprises covering housing 5, end cap 6 and base, main shaft hull outside is set with covering housing 5 and end cap 6 from left to right successively, the right-hand member of covering housing 5 and the left end of end cap 6 are fixedly installed togather, be installed with base between the bottom of covering housing 5 and the bottom of end cap 6, main shaft hull outside and covering housing 5, between end cap 6 and base, form installation cavity; Outer land 7 is provided with outside the middle part of main shaft housing, the main shaft hull outside of corresponding outer land 7 left part outer fix is provided with limited ring dais 8, the inner side of the covering housing 5 of corresponding outer land 7 position is provided with inner groove, the rolling bearing 4 be sleeved on outside outer land 7 is provided with in inner groove, the left end of rolling bearing 4 inner ring is against on the right side of limited ring dais 8, and the left end of rolling bearing 4 outer ring is against on the left side bottom land of inner groove; Right annular groove is provided with in the covering housing 5 of corresponding inner groove right outer fix, between corresponding rolling bearing 4 and end cap 6, the main shaft hull outside of position is set with the pressure ring 9, code-disc 2 and the set nut 10 that are all positioned at right annular groove from left to right successively, and the outside of main shaft housing is threaded connection with the inner side of the set nut 10 pressure ring 9 and code-disc 2 are pressed on rolling bearing 4 inner ring right side and is fixedly installed togather; The installation window communicated with right annular groove is provided with between the bottom of covering housing 5 and the bottom of end cap 6, the corresponding base installing the window's position is provided with and is provided with two grooved proximity switches 3 along front and back to interval, the base of corresponding grooved proximity switch 3 signal output part wiring position is provided with wire and installs passage.Production of the present utility model and easier for installation laborsaving can be made like this.
as accompanying drawing 1, 2, shown in 3, base comprises spacer shell 11 and holder 12, spacer shell 11 and holder 12 are fixedly installed togather by coupling bolt 13 and covering housing 5, the top of the holder 12 of corresponding installation the window's position is along front and back to being intervally distributed with two mounting grooves, in each mounting groove, all limit mounting has grooved proximity switch 3, the holder 12 of grooved proximity switch 3 lower position is provided with wire restraint window 14, the holder 12 of corresponding each grooved proximity switch 3 signal output part wiring position is equipped with the connection path that can be communicated with wire restraint window 14, the cable-through hole communicated with wire restraint window 14 is had inside the holder 12 of corresponding lead spacing window 14 lower position, connection path and wire restraint window 14 are communicated with cable-through hole and form wire installs passage, limited location edge 15 outside the holder 12 of corresponding lead spacing window 14 lower position, is set with wire restraint window 14 can be coated on interior spacer shell 11 in the upper outside of holder 12, and the base part seat of spacer shell 11 is on spacing edge 15.The spacing window of Extension Wire 14 can make the easier for installation laborsaving of connection wire 24, can play good dustproof effect by setting up spacer shell 11, can be convenient to dismounting maintenance.
as shown in accompanying drawing 1,2,3, be installed with cable pressing plate 17 by screw 16 in the wire restraint window 14 of corresponding spacer shell 11 inner side, cable-through hole is installed with cable connector 18.The outer end of the connection wire 24 of corresponding two grooved proximity switches 3 can be electrically connected with each signal input part of signals collecting case 23 respectively during use, then the inner two being connected wire 24 penetrates corresponding connection path respectively through after cable connector 18 and wire restraint window 14 jointly, and two the inners connecting wire 24 are electrically connected with the signal output part of corresponding grooved proximity switch 3 respectively the most at last; Setting up cable pressing plate 17 can make it connect the neatly easier for installation of wire 24; be convenient to identify, and can stube cable be protected, set up the effect that cable connector 18 can play sealing and protection stube cable; according to demand, cable connector 18 is salable is fixedly mounted on cable-through hole.
as shown in accompanying drawing 1,2,3, be provided with the bearing plate 19 be sleeved on outside pressure ring 9 in the right annular groove of position, corresponding rolling bearing 4 right, the left end of bearing plate 19 and the left side bottom land of right annular groove are fixedly installed togather.That sets up that bearing plate 19 can form right side, rolling bearing 4 outer ring is spacing, makes its course of work more stable.
as shown in accompanying drawing 1,2,3, the inner chamber of main shaft housing is the suit passage that left and right is run through, and suit passage comprises the straight tube passage 20 and four square channels 21 that distribute successively from left to right.Main shaft housing can be sleeved on the outer end of lock shaft during use, straight tube passage 20 is made to be sleeved on outside the cylindrical section of lock shaft outer end, make the outer four directions of lock shaft end be positioned at four square channels 21, the interaction thus by outer four directions and cubic through hole makes main shaft housing can rotate with lock shaft.
as shown in accompanying drawing 1,2,3, display terminal 22 and signals collecting case 23 are antiknock device, are provided with standby power supply module in signals collecting case 23.In use, when required power supply energy cannot be provided to the utility model in environment for use, by standby power supply module for it provides corresponding electricity, and its flying power can be not less than 2 hours, its independently working demand can be met like this, reduce environment for use to restriction of the present utility model, make it have good adaptability; According to demand, standby power supply module can be rechargeable power supply, like this can repeated application, and wherein power supply interface 25 can be the charging inlet of this standby power supply module; The display screen of display terminal 22 is high brightness liquid crystal display, can meet the demand of Different periods round the clock like this, have good sharpness.
as shown in accompanying drawing 1,2,3, display terminal 22 is or/and signals collecting case 23 is equipped with preserved signal interface.Set up preserved signal interface can be convenient to carry out Function Extension to the utility model in the future, and it can be made to meet the docking demand of distinct device.
above technical characteristic constitutes most preferred embodiment of the present utility model, and it has stronger adaptability and best implementation result, can increase and decrease non-essential technical characteristic according to actual needs, meet the demand of different situations.
Claims (10)
1. the electronic counting instrument measured for ram preventer manual locking and the unblock number of turns, it is characterized in that comprising display terminal, signals collecting case and at least one locking sensor for countering, locking sensor for countering comprises holder housing, axle sleeve type scrambler and to be installed in outside lock shaft outer end and can with the main shaft housing of lock shaft coaxial rotation; Be set with the main shaft housing that can rotate in contrast inside holder housing, between holder housing and main shaft housing, form installation cavity; Axle sleeve type scrambler is provided with in installation cavity, axle sleeve type scrambler comprises the angular displacement detecting device of code-disc and energy identification code disc spins direction and the anglec of rotation, code-disc is positioned at installation cavity and around being fixedly mounted on main shaft hull outside, angular displacement detecting device is positioned at installation cavity and is fixedly mounted on holder housing, and the holder housing of corresponding angles displacement detector signal output part wiring position is provided with wire and installs passage; Signals collecting case is built-in with the output signal that can identify each angular displacement detecting device and this output signal process can be converted into the signal processing module that signal that display terminal can identify exports, signals collecting case is provided with power supply interface, the signal output part of each angular displacement detecting device is electrically connected through the wire installation passage of correspondence and each signal input part of signal processing module respectively by the corresponding wire that connects, and the signal output part of signal processing module and the signal input part of display terminal are electrically connected.
2. according to claim 1 for ram preventer manual locking and the electronic counting instrument unlocking number of turns measurement, it is characterized in that angular displacement detecting device comprises two grooved proximity switches, two grooved proximity switches are arranged on the lower inside of holder housing to interval along front and back, all there is the U-type groove mouth of opening upwards at the middle part of each grooved proximity switch, and the code channel of code-disc is positioned at corresponding U-lag mouth.
3. according to claim 2 for ram preventer manual locking and the electronic counting instrument unlocking number of turns measurement, it is characterized in that being set with rolling bearing between holder housing and main shaft housing.
4. according to claim 3 for ram preventer manual locking and the electronic counting instrument unlocking number of turns measurement, it is characterized in that holder housing comprises covering housing, end cap and base, main shaft hull outside is set with covering housing and end cap from left to right successively, the right-hand member of covering housing and the left end of end cap are fixedly installed togather, be installed with base between the bottom of covering housing and the bottom of end cap, main shaft hull outside and covering housing, between end cap and base, form installation cavity; Outer land is provided with outside the middle part of main shaft housing, the main shaft hull outside of corresponding outer land left part outer fix is provided with limited ring dais, the inner side of the covering housing of corresponding outer land position is provided with inner groove, the rolling bearing be sleeved on outside outer land is provided with in inner groove, the left end of rolling bearing inner ring is against on the right side of limited ring dais, and the left end of housing washer is against on the left side bottom land of inner groove; Right annular groove is provided with in the covering housing of corresponding inner groove right outer fix, between corresponding rolling bearing and end cap, the main shaft hull outside of position is set with the pressure ring, code-disc and the set nut that are all positioned at right annular groove from left to right successively, and the outside of main shaft housing is threaded connection with the inner side of set nut pressure ring and code-disc are pressed on rolling bearing inner ring right side and is fixedly installed togather; The installation window communicated with right annular groove is provided with between the bottom of covering housing and the bottom of end cap, the corresponding base installing the window's position is provided with and is provided with two grooved proximity switches along front and back to interval, the base of corresponding grooved proximity switch signal output part wiring position is provided with wire and installs passage.
5. according to claim 4 for ram preventer manual locking and the electronic counting instrument unlocking number of turns measurement, it is characterized in that base comprises spacer shell and holder, spacer shell and holder are fixedly installed togather by coupling bolt and covering housing, the top of the holder of corresponding installation the window's position is along front and back to being intervally distributed with two mounting grooves, in each mounting groove, all limit mounting has grooved proximity switch, the holder of grooved proximity switch lower position is provided with wire restraint window, the holder of corresponding each grooved proximity switch signal output part wiring position is equipped with the connection path that can be communicated with wire restraint window, the cable-through hole communicated with wire restraint window is had inside the holder of the spacing window lower position of corresponding lead, connection path and wire restraint window are communicated with cable-through hole and form wire installs passage, limited location edge outside the holder of the spacing window lower position of corresponding lead, is set with wire restraint window can be coated on interior spacer shell in the upper outside of holder, and the base part seat of spacer shell is on spacing edge.
6. according to claim 5 for ram preventer manual locking and the electronic counting instrument unlocking number of turns measurement, be mounted by means of screws with cable pressing plate in the wire restraint window that it is characterized in that corresponding spacer shell inner side, cable-through hole is installed with cable connector.
7. the electronic counting instrument measured for ram preventer manual locking and the unblock number of turns according to claim 4 or 5 or 6, be provided with the bearing plate be sleeved on outside pressure ring in the right annular groove that it is characterized in that position, corresponding rolling bearing right, the left end of bearing plate and the left side bottom land of right annular groove are fixedly installed togather.
8. the electronic counting instrument measured for ram preventer manual locking and the unblock number of turns according to claim 1 or 2 or 3 or 4 or 5 or 6, it is characterized in that the inner chamber of main shaft housing is the suit passage that left and right is run through, suit passage comprises the straight tube passage and four square channels that distribute successively from left to right; Or/and display terminal and signals collecting case are antiknock device, are provided with standby power supply module in signals collecting case.
9. according to claim 7 for ram preventer manual locking and the electronic counting instrument unlocking number of turns measurement, it is characterized in that the inner chamber of main shaft housing is the suit passage that left and right is run through, suit passage comprises the straight tube passage and four square channels that distribute successively from left to right; Or/and display terminal and signals collecting case are antiknock device, are provided with standby power supply module in signals collecting case.
10. according to claim 3 for ram preventer manual locking and the electronic counting instrument unlocking number of turns measurement, it is characterized in that display terminal or/and signals collecting case is equipped with preserved signal interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520740842.0U CN204965485U (en) | 2015-09-23 | 2015-09-23 | Be used for manual locking of ram -type preventer and unblock number of turns measuring electronic counting appearance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520740842.0U CN204965485U (en) | 2015-09-23 | 2015-09-23 | Be used for manual locking of ram -type preventer and unblock number of turns measuring electronic counting appearance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204965485U true CN204965485U (en) | 2016-01-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520740842.0U Expired - Fee Related CN204965485U (en) | 2015-09-23 | 2015-09-23 | Be used for manual locking of ram -type preventer and unblock number of turns measuring electronic counting appearance |
Country Status (1)
| Country | Link |
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| CN (1) | CN204965485U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107733427A (en) * | 2017-11-13 | 2018-02-23 | 新疆广陆能源科技股份有限公司 | Electronic digital display table and ram preventer |
-
2015
- 2015-09-23 CN CN201520740842.0U patent/CN204965485U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107733427A (en) * | 2017-11-13 | 2018-02-23 | 新疆广陆能源科技股份有限公司 | Electronic digital display table and ram preventer |
| CN107733427B (en) * | 2017-11-13 | 2023-12-26 | 新疆广陆能源科技股份有限公司 | Electronic digital display meter and ram blowout preventer |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160113 Termination date: 20200923 |