CN207444163U - Hanging kills pig and cuts open the chest machine cutter arrangement - Google Patents
Hanging kills pig and cuts open the chest machine cutter arrangement Download PDFInfo
- Publication number
- CN207444163U CN207444163U CN201721645271.8U CN201721645271U CN207444163U CN 207444163 U CN207444163 U CN 207444163U CN 201721645271 U CN201721645271 U CN 201721645271U CN 207444163 U CN207444163 U CN 207444163U
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- swingle
- mounting blocks
- screw rod
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- internal gear
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Abstract
The utility model, which provides a kind of hanging and kills pig, to cut open the chest machine cutter arrangement, including：Cutterhead；First mounting blocks；Second mounting blocks；Motor；Breast opening knife；First connection component including rotation gear, the first swingle and drives internal gear, and the shaft of motor can drive rotation gear rotation through the center that rotation gear is fixed to after the second mounting blocks, the shaft of motor；First swingle one end is fixed to the center of breast opening knife one side, and drive internal gear is provided in clamping slot, and rotation gear, which can stretch to, to be driven in internal gear and with internal gear is driven to engage；And second connection component, including the second swingle, the first screw rod, resetting spring, mounting disc and the 3rd swingle, second swingle one end is connected to the center of breast opening knife opposite side.The hanging kill pig cut open the chest machine cutter arrangement solve the problems, such as due to the disengaging that can not achieve breast opening knife and cutter motor and cutterhead breast opening knife to be caused more to change jobs in the prior art it is troublesome.
Description
Technical field
The utility model is related to kill pig equipment, and in particular to a kind of hanging kills pig and cuts open the chest machine cutter arrangement.
Background technology
Chinese patent, which discloses a kind of hanging of 204377777 U of Publication No. CN and kills pig, to cut open the chest machine, including being mounted on vehicle
Between pig body conveying mechanism under ceiling and the Zhu Ti backup plates mechanism that is arranged on rear side of pig body conveying mechanism pipeline and set
Mechanism of cutting open the chest on front side of pipeline；The mechanism of cutting open the chest includes fixed link, vertical telescopic rod, transversal stretching bar, cutterhead, opens
Thorax knife, cutter motor and controller, fixed link are fixed on the conveyor line, and vertical telescopic rod is mounted on the front end of fixed link, laterally
Telescopic rod is mounted on vertical telescopic rod bottom, and cutterhead is mounted on transversal stretching rod rear end, and breast opening knife is mounted on cutterhead, and
Be arranged on cutterhead one side cutter motor be drivingly connected, controller be mounted on fixed link on, and with vertical telescopic rod, transverse direction
Telescopic rod, cutter motor, Zhu Ti backup plates mechanism and the electrical connection of pig body conveying mechanism.The hanging kills the pig machine that cuts open the chest and reaches to a certain extent
To easy to use and improve the purpose of efficiency of cutting open the chest, but the hanging kill pig cut open the chest machine there are the shortcomings that：
1) can not achieve the disengaging of breast opening knife and cutter motor and cutterhead, cause breast opening knife after damaging it is inconvenient more
It changes, causes the hanging in addition to breast opening knife and kill pig and cut open the chest the waste of machine other component, be unfavorable for reducing and kill pig cost；
2) after cutter motor damage, but can not find cutter motor just change come when, breast opening knife is inconvenient to continue manually to push away
It is dynamic to use, thus to kill pig work bring it is greatly not convenient.
Utility model content
The utility model, which will provide a kind of hanging and kill pig, to cut open the chest machine cutter arrangement, solves in the prior art because can not achieve
The disengaging of breast opening knife and cutter motor and cutterhead and breast opening knife is caused more to change jobs troublesome problem.
To achieve the above object, the utility model employs following technical solution：
A kind of hanging kills pig and cuts open the chest machine cutter arrangement, including：
Cutterhead is used to being connected to hanging and kills pig and cuts open the chest the transversal stretching bar of machine；
First mounting blocks are fixed with cutter end surface；
Second mounting blocks are fixed and parallel with the first mounting blocks with cutter end surface；
Motor is installed on one side of second mounting blocks away from the first mounting blocks；
Breast opening knife is arranged between the first mounting blocks and the second mounting blocks, and breast opening knife is disc；
First connection component including rotation gear, the first swingle and drives internal gear, and the shaft of motor is through the
The center of rotation gear is fixed to after two mounting blocks, the shaft of motor can drive rotation gear rotation；First swingle one end is consolidated
The fixed center to breast opening knife one side, the sunken end face of the first swingle other end form a circular clamping slot, are set in clamping slot
There is drive internal gear, rotation gear, which can stretch to, to be driven in internal gear and with internal gear is driven to engage；And
Second connection component, including the second swingle, the first screw rod, resetting spring, mounting disc and the 3rd swingle,
Second swingle one end is connected to the center of breast opening knife opposite side；First mounting blocks are close to the face concave shape of the second mounting blocks
Into a mobile cavity, one side of first mounting blocks away from the second mounting blocks offers the first threaded hole connected with mobile cavity, and second
What the swingle other end can be inserted into that the 3rd swingle opens up inserts in the hole, the second swingle be inserted into the 3rd swingle after the
Point-blank, the 3rd swingle one end is stretched in mobile cavity for one swingle, the second swingle and the 3rd swingle, and
The 3rd swingle can be moved upwards in the side parallel with machine shaft under the guiding of mobile cavity wall, and the 3rd swingle is connected to position
In in mobile cavity in mounting disc and the 3rd swingle can opposite mounting disc rotation, one side of the mounting disc away from the 3rd swingle is fixed
To a resetting spring one end, the resetting spring other end is fixed with mobile cavity wall, and the first threaded hole interior energy screws in one first screw rod,
First screw rod is parallel with the 3rd swingle, and screwing in the first screw rod can cause the 3rd swingle to compress the second swingle, can also make
The first screw rod departs from after the first mounting blocks in the 3rd swingle retraction to the second swingle, the second swingle is cuboid knot
Structure.
Preferably, the hanging kills the pig machine that cuts open the chest and further includes limit with cutter arrangement and turn component, and limit, which turns component, to be included：
Second screw rod, the end in the first screw rod close to mounting disc offer accommodating chamber, and the first screw rod is away from mounting disc
End opens up the second threaded hole connected with accommodating chamber, and through hole is offered in mounting disc, offered in the 3rd swingle with
The driving chamber of through hole connection, the second screw rod can be screwed in in the second threaded hole and with the second threaded hole inner thread and be connected；
Nose cone, the end stretched to the second screw rod in accommodating chamber are fixed, and nose cone is cone shape, nose cone
Big end is fixed with the second screw rod, after the small end of nose cone extends to through hole, and the second screw rod of rotation can make nose cone pass through through hole
It enters in driving chamber；
Limit turns internal gear, and mobile cavity inner wall depression forms an annular slot, and annular slot is looped around outside the 3rd swingle, ring
Fixed in shape card slot it is limited turn internal gear, limit turns internal gear and is also looped around outside the 3rd swingle；And
Several card-tight parts, are equipped with several card-tight parts on the 3rd swingle, and each card-tight part includes：Clamping pin, card
Tight spring and idler wheel, nose cone can stretch into driving chamber and can be tangent with the idler wheel in driving chamber, and idler wheel can be rotationally
A clamping pin one end is installed on, the clamping pin other end can be pierced by the 3rd swingle and stretch in annular slot, and limit turns internal gear
Clamping pin can be blocked, clamping pin is placed through the garter spring in driving chamber, and garter spring one end is fixed with clamping pin, clamping bullet
The spring other end is fixed with driving cavity wall；
Wherein, when nose cone is not tangent with idler wheel, clamping pin is kept to be located at the 3rd rotation under the action of garter spring
In bar；Only when big end and the idler wheel of nose cone are tangent, clamping pin is pressed into in annular slot and limit turns internal tooth
Ring blocks clamping pin.
Compared with the prior art, the utility model has the advantages that：
At work, motor rotates, and the shaft of motor moves the rotation of the first swingle by rotating gear band, and then drives and open
Thorax knife and the second rotating bar rotate, and breast opening knife easily cuts pork when rotating, and since the second swingle is rectangular parallelepiped structure, are inserted into
Hole and the shape of the second swingle match, and the rotation of the second swingle drives the 3rd swingle to rotate, and the 3rd swingle is to the
Two swingles are supported.When needing to dismantle breast opening knife, the first screw rod is rotated first, under the elastic force of resetting spring, installation
Disk is driven in the 3rd swingle retraction to the first mounting blocks, and the second swingle and the 3rd swingle depart from this time, at this time the second rotation
Bull stick has mobile space to the first mounting blocks, and the second swingle, breast opening knife and the first swingle are moved to the first mounting blocks,
First swingle departs from rotation gear, is replaced while realizing the second swingle, breast opening knife and the first swingle.Pacify at this time
The second new swingle, breast opening knife and the first swingle are loaded onto, first, by the first rotation bowl cover on rotation gear so that
Internal gear is driven to be engaged with rotation gear, keeps this state；Then, the first screw rod is rotated so that mounting disc and the 3rd swingle
It forces to move to the second swingle, the second swingle, which is inserted into, to insert in the hole, and is accomplished by the 3rd swingle and rotation gear
The movement of the second swingle, breast opening knife and the first swingle is limited, installs the second swingle, breast opening knife and the first rotation
Bar.Aforesaid operations enormously simplify replacement step, more convenient to use, realize breast opening knife damage after will remove the second swingle,
Component outside breast opening knife and the first swingle has saved cost all of getting up.
Part is illustrated to embody by the further advantage, target and feature of the utility model by following, and part will also pass through
Research and practice to the utility model and be understood by the person skilled in the art.
Description of the drawings
Fig. 1 is that hanging kills pig and cuts open the chest the structure diagram of machine cutter arrangement；
Fig. 2 is that hanging kills pig and cuts open the chest the sectional view of machine cutter arrangement in Fig. 1.
Specific embodiment
In order to which the technological means, creation characteristic, the reached purpose that realize the utility model more understand and are easy to acting on
Understand, the utility model is further elaborated with reference to the accompanying drawings and detailed description：
As shown in Figure 1 and Figure 2, pig is killed the utility model proposes a kind of hanging to cut open the chest machine cutter arrangement, including：
Cutterhead 1 is used to being connected to hanging and kills pig and cuts open the chest the transversal stretching bar of machine；
First mounting blocks 2 are fixed with 1 end face of cutterhead；
Second mounting blocks 3 are fixed and parallel with the first mounting blocks 2 with 1 end face of cutterhead；
Motor 4 is installed on one side of second mounting blocks 3 away from the first mounting blocks 2；
Breast opening knife 5 is arranged between the first mounting blocks 2 and the second mounting blocks 3, and breast opening knife 5 is disc；
First connection component including rotation gear 51, the first swingle 52 and drives internal gear 53, and motor 4 turns
Axis is fixed to the center for rotating gear 51 after passing through the second mounting blocks 3, and the shaft of motor 4 can drive rotation gear 51 to rotate；The
One swingle, 52 one end is fixed to the center of 5 one side of breast opening knife, and the sunken end face of 52 other end of the first swingle forms a circle
Clamping slot is provided in clamping slot and drives internal gear 53, rotation gear 51 can stretch to drive in internal gear 53 and in drive
Ring gear 53 engages；And
Second connection component, including the second swingle 54, the first screw rod 55, resetting spring 56, mounting disc 57 and
Three swingles 58,54 one end of the second swingle are connected to the center of 5 opposite side of breast opening knife；First mounting blocks 2 are close to second
The face of mounting blocks 3 is recessed to form a mobile cavity, and one side of first mounting blocks 2 away from the second mounting blocks 3 is offered to be connected with mobile cavity
The first logical threaded hole, what 54 other end of the second swingle can be inserted into that the 3rd swingle 58 opens up inserts in the hole, the second rotation
First swingle 52, the second swingle 54 and the 3rd swingle 58 are in straight line after bar 54 is inserted into the 3rd swingle 58
On, 58 one end of the 3rd swingle is stretched in mobile cavity, and under the guiding of mobile cavity wall the 3rd swingle 58 can with motor 4
The parallel side of shaft moves upwards, and the 3rd swingle 58 is connected in mounting disc in mobile cavity 57 and 58 energy of the 3rd swingle
It is rotated relative to mounting disc 57, one side of the mounting disc 57 away from the 3rd swingle 58 is fixed to 56 one end of a resetting spring, resets bullet
56 other end of spring is fixed with mobile cavity wall, and the first threaded hole interior energy screws in one first screw rod 55, the first screw rod 55 and the 3rd rotation
Bull stick 58 is parallel, and screwing in the first screw rod 55 can cause the 3rd swingle 58 to compress the second swingle 54, can also cause the first spiral shell
After the first mounting blocks 2 of disengaging of bar 55 in 58 retraction of the 3rd swingle to the second swingle 54, the second swingle 54 is cuboid knot
Structure.At work, motor 4 rotates, and the shaft of motor 4 drives the first swingle 52 to rotate by rotating gear 51, and then drives
5 and second rotating bar of breast opening knife rotates, and breast opening knife 5 easily cuts pork when rotating, since the second swingle 54 is cuboid knot
Structure, is inserted into hole and the shape of the second swingle 54 matches, and the rotation of the second swingle 54 drives the 3rd swingle 58 to rotate, the
Three swingles 58 are supported the second swingle 54.When needing to dismantle breast opening knife 5, the first screw rod 55 is rotated first, multiple
Under the elastic force of position spring 56, mounting disc 57 is driven in 58 retraction of the 3rd swingle to the first mounting blocks 2, at this time the second swingle 54
Depart from the 3rd swingle 58, second the 54 to the first mounting blocks of swingle 2 have mobile space at this time, are moved to the first mounting blocks 2
Dynamic second swingle 54,5 and first swingle 52 of breast opening knife, the first swingle 52 depart from rotation gear 51, realize second
It is replaced while swingle 54,5 and first swingle 52 of breast opening knife.The second new swingle 54, breast opening knife 5 are installed at this time
And first swingle 52, first, the first swingle 52 is covered on rotation gear 51 so that drive internal gear 53 and rotary teeth
51 engagement of wheel, keeps this state；Then, the first screw rod 55 is rotated so that 57 and the 3rd swingle 58 of mounting disc is forced to second
Swingle 54 moves, and the second swingle 54, which is inserted into, to insert in the hole, and is accomplished by the 3rd swingle 58 and rotation gear 51 limits
The movement of the second swingle 54,5 and first swingle 52 of breast opening knife is made, installs the second swingle 54, breast opening knife 5 and
One swingle 52.Aforesaid operations enormously simplify replacement step, more convenient to use, and the will be removed by realizing after breast opening knife 5 damages
Component outside two swingles 54,5 and first swingle 52 of breast opening knife has saved cost all of getting up.
In order to realize the belly that after the damage of motor 4 breast opening knife 5 can be driven to streak pig manually, as shown in Figure 1 and Figure 2,
The hanging kills the pig machine that cuts open the chest and further includes limit with cutter arrangement and turn component, and limit, which turns component, to be included：
Second screw rod 61, the end in the first screw rod 55 close to mounting disc 57 offer accommodating chamber, and the first screw rod 55 is separate
The end of mounting disc 57 opens up the second threaded hole connected with accommodating chamber, and through hole is offered in mounting disc 57, in the 3rd rotation
Offer the driving chamber connected with through hole in bar 58, the second screw rod 61 can screw in in the second threaded hole and in the second threaded hole
Wall is threadedly coupled；
Nose cone 62, the end stretched to the second screw rod 61 in accommodating chamber are fixed, and nose cone 62 is cone shape, round
The big end of conehead 62 is fixed with the second screw rod 61, and the small end of nose cone 62 extends to through hole, and the second screw rod 61 of rotation can make circle
Conehead 62 is entered to after passing through through hole in driving chamber；
Limit turns internal gear 66, and mobile cavity inner wall depression forms an annular slot, and annular slot is looped around the 3rd swingle 58
Outside, fixed in annular slot it is limited turn internal gear 66, limit turns internal gear 66 and is also looped around outside the 3rd swingle 58；And
Several card-tight parts, are equipped with several card-tight parts on the 3rd swingle 58, and each card-tight part includes：Clamping pin
65th, garter spring 64 and idler wheel 63, nose cone 62 can stretch into driving chamber and can be tangent with the idler wheel 63 in driving chamber,
Idler wheel 63 can be rotatably mounted to 65 one end of a clamping pin, and 65 other end of clamping pin can be pierced by the 3rd swingle 58 and stretch to ring
In shape card slot, limit, which turns internal gear 66, can block clamping pin 65, and clamping pin 65 is placed through the garter spring 64 in driving chamber, clamping
64 one end of spring is fixed with clamping pin 65, and 64 other end of garter spring is fixed with driving cavity wall；
Wherein, when nose cone 62 is not tangent with idler wheel 63, under the action of garter spring 64 clamping pin 65 is kept to be located at
In 3rd swingle 58；Only when the big end of nose cone 62 is tangent with idler wheel 63, clamping pin 65 is pressed into positioned at annular
In card slot and limit turns internal gear 66 and blocks clamping pin 65.When after the damage of motor 4 breast opening knife 5 can be driven to streak the belly of pig manually
Limitation breast opening knife 5 is needed to rotate so that breast opening knife 5 smoothly streaks the belly of pig.Although 57 and the 3rd swingle 58 of mounting disc is
It is mobile, but during the first screw rod 55 squeezes mounting disc 57, the first screw rod 55 is rotated relative to mounting disc 57 and the 3rd
Bar 58 is relatively-stationary on the direction moved with the 3rd swingle 58, thus nose cone 62 can pass through through hole after stretch to drive
Dynamic intracavitary.When rotating the driving mounting disc 57 of the first screw rod 55 and three swingles 58, nose cone 62 does not hinder in accommodating chamber
The movement of 57 and the 3rd swingle 58 of mounting disc, at this time nose cone 62 kept away from idler wheel 63 under the action of garter spring 64
Clamping pin 65 is located in the 3rd swingle 58, and then avoids clamping pin 65 and stretch out and limit the movement of the 3rd swingle 58；When
When needing to limit the rotation of the 3rd swingle 58, the 3rd swingle 58 is in the state for compressing the second swingle 54, the first spiral shell at this time
Bar 55 compresses 57 and the 3rd swingle 58 of mounting disc, each other with being relatively-stationary, rotation on the direction of the 3rd swingle 58
Turning the second screw rod 61 so that nose cone 62 is entered to after passing through through hole in driving chamber, since the small end of nose cone 62 is sharper, energy
It enough stretches between all idler wheels 63, with the propulsion of nose cone 62, idler wheel 63 starts, final nose cone tangent with nose cone 62
62 big end and idler wheel 63 are tangent, and clamping pin 65 is pressed into in annular slot and limit turns internal gear 66 and blocks clamping
Pin 65 so that the first mounting blocks 2 turn internal gear 66 by limit and clamping pin 65 limits the 3rd swingle 58 and rotates.
Finally illustrate, above example is merely intended for describing the technical solutions of the present application, but not for limiting the present application, although ginseng
The utility model is described in detail according to preferred embodiment, it will be understood by those of ordinary skill in the art that, it can be to this
The technical solution of utility model is modified or replaced equivalently, without departing from the objective and model of technical solutions of the utility model
It encloses, should all cover among the right of the utility model.
Claims (2)
1. a kind of hanging kills pig and cuts open the chest machine cutter arrangement, which is characterized in that including：
Cutterhead is used to being connected to hanging and kills pig and cuts open the chest the transversal stretching bar of machine；
First mounting blocks are fixed with cutter end surface；
Second mounting blocks are fixed and parallel with the first mounting blocks with cutter end surface；
Motor is installed on one side of second mounting blocks away from the first mounting blocks；
Breast opening knife is arranged between the first mounting blocks and the second mounting blocks, and breast opening knife is disc；
First connection component including rotation gear, the first swingle and drives internal gear, and the shaft of motor is pacified through second
The center of rotation gear is fixed to after dress block, the shaft of motor can drive rotation gear rotation；First swingle one end is fixed to
The center of breast opening knife one side, the sunken end face of the first swingle other end form a circular clamping slot, band are provided in clamping slot
Dynamic internal gear, rotation gear, which can stretch to, to be driven in internal gear and with internal gear is driven to engage；And
Second connection component, including the second swingle, the first screw rod, resetting spring, mounting disc and the 3rd swingle, second
Swingle one end is connected to the center of breast opening knife opposite side；First mounting blocks are recessed to form one close to the face of the second mounting blocks
Mobile cavity, one side of first mounting blocks away from the second mounting blocks offer the first threaded hole connected with mobile cavity, the second rotation
What the bar other end can be inserted into that the 3rd swingle opens up inserts in the hole, the first rotation after the second swingle is inserted into the 3rd swingle
Point-blank, the 3rd swingle one end is stretched in mobile cavity for bull stick, the second swingle and the 3rd swingle, and mobile
The 3rd swingle can be moved upwards in the side parallel with machine shaft under the guiding of cavity wall, and the 3rd swingle is connected to positioned at shifting
In dynamic intracavitary mounting disc and the 3rd swingle can be rotated relative to mounting disc, and one side of the mounting disc away from the 3rd swingle is fixed to one
Resetting spring one end, the resetting spring other end are fixed with mobile cavity wall, the first threaded hole interior energy one first screw rod of screw-in, and first
Screw rod is parallel with the 3rd swingle, and screwing in the first screw rod can cause the 3rd swingle to compress the second swingle, can also cause the
After one screw rod the first mounting blocks of disengaging in the 3rd swingle retraction to the second swingle, the second swingle is rectangular parallelepiped structure.
2. hanging according to claim 1 kills pig and cuts open the chest machine cutter arrangement, which is characterized in that it further includes limit and turns component,
Limit, which turns component, to be included：
Second screw rod, the end in the first screw rod close to mounting disc offer accommodating chamber, end of first screw rod away from mounting disc
The second threaded hole connected with accommodating chamber is opened up, through hole is offered in mounting disc, is offered in the 3rd swingle and through hole
The driving chamber of connection, the second screw rod can be screwed in in the second threaded hole and with the second threaded hole inner thread and be connected；
Nose cone, the end stretched to the second screw rod in accommodating chamber are fixed, and nose cone is cone shape, the big end of nose cone
It is fixed with the second screw rod, the small end of nose cone extends to through hole, and rotating the second screw rod can be such that nose cone enters after passing through through hole
To driving chamber；
Limit turns internal gear, and mobile cavity inner wall depression forms an annular slot, and annular slot is looped around outside the 3rd swingle, annular snap
Fixed in slot it is limited turn internal gear, limit turns internal gear and is also looped around outside the 3rd swingle；And
Several card-tight parts, are equipped with several card-tight parts on the 3rd swingle, and each card-tight part includes：Clamping pin, clamping bullet
Spring and idler wheel, nose cone can stretch into driving chamber and can be tangent with the idler wheel in driving chamber, and idler wheel can be installed rotationally
In a clamping pin one end, the clamping pin other end can be pierced by the 3rd swingle and stretch in annular slot, and limit, which turns internal gear, to block
Firmly clamping pin, clamping pin are placed through the garter spring in driving chamber, and garter spring one end is fixed with clamping pin, and garter spring is another
One end is fixed with driving cavity wall；
Wherein, when nose cone is not tangent with idler wheel, under the action of garter spring clamping pin is kept to be located in the 3rd swingle；
Only when big end and the idler wheel of nose cone are tangent, clamping pin is pressed into in annular slot and limit turns internal gear and blocks
Clamping pin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721645271.8U CN207444163U (en) | 2017-11-30 | 2017-11-30 | Hanging kills pig and cuts open the chest machine cutter arrangement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721645271.8U CN207444163U (en) | 2017-11-30 | 2017-11-30 | Hanging kills pig and cuts open the chest machine cutter arrangement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207444163U true CN207444163U (en) | 2018-06-05 |
Family
ID=62275562
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721645271.8U Expired - Fee Related CN207444163U (en) | 2017-11-30 | 2017-11-30 | Hanging kills pig and cuts open the chest machine cutter arrangement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207444163U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111963078A (en) * | 2020-10-23 | 2020-11-20 | 胜利油田固邦石油装备有限责任公司 | Limiting device of casing centralizer |
-
2017
- 2017-11-30 CN CN201721645271.8U patent/CN207444163U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111963078A (en) * | 2020-10-23 | 2020-11-20 | 胜利油田固邦石油装备有限责任公司 | Limiting device of casing centralizer |
| CN111963078B (en) * | 2020-10-23 | 2020-12-15 | 胜利油田固邦石油装备有限责任公司 | Limiting device of casing centralizer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20180605 Termination date: 20191130 |