CN206766977U - Fracturing blender truck variable-pitch auger sediment transport auger - Google Patents
Fracturing blender truck variable-pitch auger sediment transport auger Download PDFInfo
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- CN206766977U CN206766977U CN201720533597.5U CN201720533597U CN206766977U CN 206766977 U CN206766977 U CN 206766977U CN 201720533597 U CN201720533597 U CN 201720533597U CN 206766977 U CN206766977 U CN 206766977U
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- pitch
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- shaft
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Abstract
The utility model discloses a kind of fracturing blender truck variable-pitch auger sediment transport auger, including：Housing, it is obliquely installed, feed end connection feed hopper, the discharge end connection mixing sand tank of the housing；Screw-conveyer-shaft, it is arranged on the enclosure interior, the output axis connection of the screw-conveyer-shaft and motor, and the motor drives the screw-conveyer-shaft rotation；Helical blade, it is co-axially located on the screw-conveyer-shaft and coordinated with the inner walls gap, the helical blade includes the Part I and superposed Part II positioned at bottom, the pitch of setting that the Part I uniform pitch is set, the pitch of the Part II is successively decreased from bottom to top, the Part II and the junction of the Part I is not less than the pitch of the Part I.It the utility model structure strong applicability, can effectively apply in the sand conveyor installation of fracturing work, improve the performance of integral device, reduce the fluctuation of sediment transport amount, improve the quality of sediment transport operation.
Description
Technical field
It the utility model is related to petroleum equipment technical field.More specifically, a kind of fracturing blender truck is the utility model is related to use
Variable-pitch auger sediment transport auger.
Background technology
Hydraulic fracturing is the well production increment measure being widely used at present, and needs to add substantial amounts of sand in hydraulic fracturing process
Grain squeezes into rock stratum, the rock stratum of support hydraulic pressure fragmentation, establishes crude oil opening gap passage.With the passage of oil exploitation time, production
Amount is increasingly reduced, it is necessary to which more hydraulic fracturing job increases production.Fracturing blender truck is the chief component of fracturing unit, spiral transferring
Sand device is its core component, the quality that its performance plays, and directly affects the efficiency and quality of site operation.
The spiral sand conveying device of existing fracturing work fracturing blender truck, is also auger, by screw-conveyer-shaft, helical blade, shell group
Into upper end is equipped with transmission mechanism, and lower end is equipped with bearing and sealing structure.Quartz sand, coating sand are passed up using spiral form
The solid particle larger etc. hardness.For existing screw conveyer at the scene during use, feed hopper does not stop back-up sand, in full of
State, it is necessary to improve the rotating speed of screw-conveyer-shaft when sand grains demand is big, now often there is cavitation phenomenon, cause sediment transport
Performance is unstable, and defeated sand production rate fluctuation is big, and control accuracy is difficult to improve.
Utility model content
A purpose of the present utility model is that solve at least the above, and provides the advantages of at least will be described later.
The utility model also has a purpose to be to provide a kind of fracturing blender truck variable-pitch auger sediment transport auger, and its structure is applicable
Property it is strong, can effectively apply in the sand conveyor installation of fracturing work, improve the performance of integral device, reduce the fluctuation of sediment transport amount,
Improve the quality of sediment transport operation.
In order to realize according to these purposes of the present utility model and further advantage, there is provided a kind of fracturing blender truck varying pitch spiral shell
Sediment transport auger is revolved, including：
Housing, it is obliquely installed, feed end connection feed hopper, the discharge end connection mixing sand tank of the housing；
Screw-conveyer-shaft, it is arranged on the enclosure interior, the output axis connection of the screw-conveyer-shaft and motor, the motor driving
The screw-conveyer-shaft rotation；
Helical blade, it is co-axially located on the screw-conveyer-shaft and coordinated with the inner walls gap, the helical-blade
Piece includes the Part I and superposed Part II positioned at bottom, the Part I uniform pitch setting, described second
Partial pitch is successively decreased setting from bottom to top, and the pitch of the Part II and the junction of the Part I is not less than described
The pitch of Part I.
Preferably, the axial direction of described fracturing blender truck variable-pitch auger sediment transport auger, Part I and Part II is long
Degree is than being less than 1:3.
Preferably, described fracturing blender truck variable-pitch auger sediment transport auger, the pitch of the Part I is the spiral shell
0.5~0.6 times of blade diameter is revolved, the pitch of the Part II is 0.6~1 times of the helical blade diameter.
Preferably, described fracturing blender truck variable-pitch auger sediment transport auger, it is characterised in that the helical blade and institute
The spacing for stating inner walls is 3~5 times of the diameter of conveying sand grains.
Preferably, described fracturing blender truck variable-pitch auger sediment transport auger, the housing, the screw-conveyer-shaft and horizontal line
Angle is 30~65 °.
Preferably, described fracturing blender truck variable-pitch auger sediment transport auger, it is additionally provided with the screw-conveyer-shaft isodiametric
At least one spiral blades, for any one spiral blades, it is arranged on the adjacent of the big pitch portion of the helical blade
Do not conflict between two circles and with the helical blade, the spiral blades are consistent with the rotation direction of the helical blade, diameter ratio
For 1:2~4, the pitch of the spiral blades is successively decreased from bottom to top, wherein, the big pitch portion of the helical blade is described the
Pitch is more than the part of the pitch of the Part I on two parts.
Preferably, described fracturing blender truck variable-pitch auger sediment transport auger, the screw-conveyer-shaft are hollow structure inside, its
Inside is coaxially provided with hollow appendix, and the ring cavity of conveying cleaning fluid is formed between the screw-conveyer-shaft and the appendix,
The appendix be internally formed conveying air cylindrical cavity, the screw-conveyer-shaft connects with cleaning fluid tank body, the appendix and
Cylinder connects, and the screw-conveyer-shaft is provided with multiple injection wells and liquor charging hole, and the injection well connects with the gas transmission seal of tube, institute
State helical blade it is any two circle between be equipped with least three injection wells and at least three liquor charging holes, it is described to supply gas
Hole is equipped with weight sensor with being equipped with magnetic valve on the liquor charging hole at the crest of each circle of the helical blade.
Preferably, described fracturing blender truck variable-pitch auger sediment transport auger, the appendix be divided into pumping chamber and
Plenum, the plenum connect with the injection well,
The upper surface of lower leaflet between any two circle in the big pitch portion of the helical blade is provided with close to edge
Vibrating mechanism, it includes：
Pedestal, it is internally formed a cylindrical cavity, and the pedestal is provided with air inlet and gas outlet, the air inlet,
The gas outlet is connected by flexible pipe body with the plenum, pumping chamber sealing respectively；
Slide rail, it is annular closed form structure, and the slide rail is co-axially located at the cavity inside of the pedestal, the slide rail
Surface is provided with a U-shaped chute；
Rigid slide block, it is the drum organization being small at both ends and big in the middle, and the diameter parallel of the rigid slide block is in the slide rail
Axis, the middle part activity of the rigid slide block is embedded on the chute, and two heads of the rigid slide block are plane and flat
Row in the cavity inner wall of the pedestal, the plane on two heads of the rigid slide block is provided with multiple projections, itself and the pedestal
Cavity inwall contact.
The utility model comprises at least following beneficial effect：
Firstth, helical blade of the present utility model is isometrical varying pitch structure, and Part I pitch is uniform and smaller, enters sand
Speed is fast, can fully accept the sand grains of feed hopper feeding, make sand grains to be at the uniform velocity passed up, Part II and Part I
Tapered into after the increase suddenly of junction pitch along the pitch of material conveying direction, the sand grains of compression is fully expanded, is loose,
While increasing auger rotating speed, sand grains transporting velocity is fast, do not accumulate, do not extrude, frictional force it is small, outlet sediment outflow amount fluctuation is small, greatly
Control during big improvement fracturing work during sediment transport to conveying capacity, improve the stationarity of equipment；
Secondth, the axial length ratio of Part I and Part II is less than 1:3 balance auger rotating speeds improve and conveying capacity
Contradiction, it is ensured that it is steady without influenceing output quantity that flood dragon rotating speed is improved on the basis of conveying capacity is stable；Part I, Part II
It is the optimization data obtained by sand grains simulation analysis Experimental comparison that pitch length, which is set, and outlet sediment outflow amount is maximum and fluctuates most
It is small；Helical blade is set with body clearance, is easy to rigid metal sand grains smooth delivery of power in flood dragon rotary course, is not accumulated, no
Extrude inner walls；The angle that housing, screw-conveyer-shaft are obliquely installed is easy to arrangement, equipment stationarity on fracturing blender truck optimal；
3rd, the setting with rotation direction spiral blades avoids pitch loose phenomenon caused by increase suddenly, obtains sand grains
More particularly suitable spreading speed is obtained, ensures uniformity and full weight of the sand grains in big pitch portion, diameter sets elimination to climb with pitch
Problem is extruded caused by slope, reduces the frictional resistance with helical blade, makes sediment transport more smooth；
4th, weight sensor is set at each circle crest of helical blade, the sand grains amount of delay is detected, by screw-conveyer-shaft
Part is divided into air flow channel and cleaning fluid runner, when the sand grains amount of delay is more than threshold value, can be cleared up by air flow channel air blast,
Cause sand pack excessively full when conveying capacity is larger, can be lubricated by the moisturizing of cleaning fluid runner, when enclosure interior needs to clean,
It then can be air-dried, safeguarded simply, when normally conveying operation by air flow channel air blast by cleaning fluid runner spraying cleaning fluid
Cheng Zhong, magnetic valve can be closed by controller and avoids blocking inside screw-conveyer-shaft；
5th, the setting of vibrating mechanism is avoided because pitch becomes caused by big sand pack coefficient diminishes and cause identical conveying capacity
Ineffective problem, it makes material and helical-blade in the case where auger does not reduce conveying capacity, do not reduce transporting velocity
Piece, the frictional resistance of spiral blades are almost 0, full sand grains is exported simultaneously discharging, air inlet, gas outlet are respectively with supplying gas
Chamber, pumping chamber ventilation, flexible pipe body make air-flow vibrations with rotation process smooth flow, sliding block is in the chute of slide rail by air-flow
Rotational vibrations are impacted, the drum surface of sliding block is contacted with base internal wall under effect of vibration by projection, is bonded then remote, increase cunning
The contact area of block and slide rail, frictional force, pressure caused by impact force that contact surface is subject to are reduced, strengthens the vibration of small space
Effect.
Further advantage, target and feature of the present utility model embody part by following explanation, and part will also pass through
Research of the present utility model and practice are understood by the person skilled in the art.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the structural representation of screw-conveyer-shaft of the present utility model and helical blade；
Fig. 3 is the screw-conveyer-shaft of the utility model another technical solution and the structural representation of helical blade；
Fig. 4 is the profile of pedestal of the present utility model；
Fig. 5 is the structural representation of rigid slide block of the present utility model；
Fig. 6 is the radial cross section of screw-conveyer-shaft of the present utility model；
Fig. 7 is the emulation datagram of sediment transport amount when pitch of the present utility model changes.
Embodiment
The utility model is described in further detail below in conjunction with the accompanying drawings, to make those skilled in the art with reference to explanation
Book word can be implemented according to this.
It should be appreciated that such as " having ", "comprising" and " comprising " term used herein do not allot one or more
The presence or addition of individual other elements or its combination.
, it is necessary to which explanation, unless otherwise clearly defined and limited, term " are pacified in description of the present utility model
Dress ", " connected ", " setting " should be interpreted broadly, for example, it may be being fixedly linked, setting or being detachably connected, set
Put, or be integrally connected, set.For the ordinary skill in the art, it can understand that above-mentioned term exists with concrete condition
Concrete meaning in the utility model.Term " transverse direction ", " longitudinal direction ", " on ", " under ", "front", "rear", "left", "right", " perpendicular
Directly ", the orientation of the instruction such as " level ", " top ", " bottom ", " interior ", " outer " or position relationship are based on orientation shown in the drawings or position
Relation is put, description the utility model is for only for ease of and simplifies description, is not instruction or implies signified device or element
There must be specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to limitation of the present utility model.
As shown in Figure 1, 2, the utility model provides a kind of fracturing blender truck variable-pitch auger sediment transport auger, including：
Housing 11, it is obliquely installed, feed end connection feed hopper 2, the discharge end connection mixing sand tank 3 of the housing 11；
Screw-conveyer-shaft 12, it is arranged on inside the housing 11, when the main part of housing 11 is cylindric, screw-conveyer-shaft 12
It is coaxially disposed with the main part of housing 11, the output axis connection of screw-conveyer-shaft 12 described in screw-conveyer-shaft 12 and motor, the motor drives
The screw-conveyer-shaft 12 is moved to rotate；
Helical blade 13, it is co-axially located on the screw-conveyer-shaft 12 and coordinated with the inwall gap of housing 11, gap
Size with material can by being advisable, the helical blade 13 include along axis split the He of Part I 131 positioned at bottom
Superposed Part II 132, the uniform pitch of Part I 131 is set, the pitch of the Part II 132 from bottom to top
Successively decrease setting, the Part II 132 and the pitch of the junction of the Part I 131 are not less than the Part I 131
Pitch.
In the above-mentioned technical solutions, helical blade 13 is isometrical varying pitch structure, the pitch of Part I 131 uniformly and compared with
It is small, enter that sand speed is fast, can fully accept the sand grains of the feeding of feed hopper 2, make sand grains to be at the uniform velocity passed up, Part II 132
Gradually become along the pitch of material conveying direction (i.e. from bottom to top) after increasing suddenly with the pitch of the junction of Part I 131
It is small, the sand grains of compression is fully expanded, is loose, while auger rotating speed is increased, sand grains transporting velocity is fast, does not accumulate, does not squeeze
Pressure, frictional force are small, and outlet sediment outflow amount fluctuates small, control when substantially improving fracturing work during sediment transport to conveying capacity, improves
The stationarity of equipment.
In another technical solution, described fracturing blender truck variable-pitch auger sediment transport auger, Part I 131 and second
The axial length ratio of part 132 is less than 1:3, balance auger rotating speed improves the contradiction with conveying capacity, it is ensured that the stable base of conveying capacity
It is steady without influenceing output quantity that flood dragon rotating speed is improved on plinth.
In another technical solution, described fracturing blender truck variable-pitch auger sediment transport auger, the Part I 131
Pitch is 0.5~0.6 times of the diameter of helical blade 13, and the pitch of the Part II 132 is straight for the helical blade 13
0.6~1 times of footpath, and data are the optimization data obtained by sand grains simulation analysis Experimental comparison, outlet sediment outflow amount is maximum
And fluctuation is minimum, as shown in fig. 7, being 1. that the pitch of Part I 131 is 0.53 times of diameter of helical blade 13, the spiral shell of Part II 132
It is 2. 0.53 times of diameter of helical blade 13, Part II for the pitch of Part I 131 away from for 0.69 times of diameter of helical blade 13
132 pitch be 0.53 times of increasing diameter of helical blade 13 to 1 times of diameter of helical blade 13, be 3. for the pitch of Part I 131
0.53 times of diameter of helical blade 13, the pitch of Part II 132 are that 1 times of diameter of helical blade 13 is decremented to 0.53 times of helical blade 13
Diameter, therefore the sediment transport amount that can be seen that the technical program is big, fluctuation is small, speed is fast.
In another technical solution, described fracturing blender truck variable-pitch auger sediment transport auger, the helical blade 13 with
The spacing of the inwall of housing 11 is 3~5 times of the diameter of conveying sand grains, is easy to rigid metal sand grains in flood dragon rotary course
Smooth delivery of power, do not accumulate, do not extrude the inwall of housing 11.
In another technical solution, described fracturing blender truck variable-pitch auger sediment transport auger, the housing 11, the strand
Imperial axle 12 and horizontal line angle are 30~65 °, are easy to arrangement, equipment stationarity on fracturing blender truck optimal.
In another technical solution, as shown in figure 3, described fracturing blender truck variable-pitch auger sediment transport auger, the strand
Isodiametric at least one spiral blades 133 are additionally provided with imperial axle 12, for any one spiral blades 133, it is arranged on
Do not conflict between the two adjacent rings in the big pitch portion of the helical blade 13 and with the helical blade 13, spiral blades 133
The spiral blades 133 are consistent with the rotation direction of the helical blade 13, diameter ratio is 1:2~4, the spiral of spiral blades 133
The pitch of spiral blades 133 is successively decreased from bottom to top described in blade 13, wherein, the big pitch portion of the helical blade 13 is described
Pitch is more than the part of the pitch of the Part I 131 on Part II 132.Setting with rotation direction spiral blades 133 is kept away
Pitch loose phenomenon caused by increase is suddenly exempted from, sand grains is obtained more particularly suitable spreading speed, ensure sand grains in big pitch
The uniformity and full weight in portion, diameter extrude problem caused by setting elimination climbing with pitch, reduction rubs with helical blade 13
Resistance is wiped, makes sediment transport more smooth.
In another technical solution, described fracturing blender truck variable-pitch auger sediment transport auger, the screw-conveyer-shaft 12 is interior
Portion's hollow structure, hollow appendix 121 is coaxially provided with inside it, is formed between the screw-conveyer-shaft 12 and the appendix 121
Convey the ring cavity of cleaning fluid, the appendix 121 is internally formed the cylindrical cavity of conveying air, the screw-conveyer-shaft 12 with it is clear
The connection of washing lotion tank body, the appendix 121 connect with cylinder, and the screw-conveyer-shaft 12 is provided with multiple injection wells and liquor charging hole, institute
State injection well to connect with the appendix 121 sealing, at least three institutes are equipped between any two circle of the helical blade 13
Injection well and at least three liquor charging holes are stated, the injection well on the liquor charging hole with being equipped with magnetic valve, the helical-blade
Weight sensor is equipped with the crest of each circle of piece 13.Weight sensor is set at each circle crest of helical blade 13,
The sand grains amount being detained is detected, air flow channel and cleaning fluid runner will be separated into inside screw-conveyer-shaft 12, when the sand grains amount of delay is more than
It during threshold value, can be cleared up by air flow channel air blast, cause sand pack excessively full when conveying capacity is larger, wash liquid stream can be passed through
Road moisturizing lubrication, needs to clean, then can be roused by cleaning fluid runner spraying cleaning fluid by air flow channel inside housing 11
Wind air-dries, and safeguards simply, avoid blocking in screw-conveyer-shaft 12 when that in normally conveying operation process, can close magnetic valve by controller
Portion.
In another technical solution, as shown in Figure 4,5, 6, described fracturing blender truck variable-pitch auger sediment transport auger, institute
To state appendix 121 and be divided into pumping chamber 122 and plenum 123, the plenum 123 connects with the injection well,
The upper surface of lower leaflet between any two circle in the big pitch portion of helical blade 13 described in vibrating mechanism 14 is leaned on
Vibrating mechanism 14 is provided with proximal edge, it includes：
Pedestal 141, its pedestal 141 of helical blade 13 are internally formed a cylindrical cavity, and the pedestal 141 is provided with air inlet
Mouth and gas outlet, the air inlet, the gas outlet pass through flexible pipe body and the plenum 123, the pumping chamber 122 respectively
The sealing connection of screw-conveyer-shaft 12；
Slide rail 142, it is annular closed form structure to slide rail 142, and the slide rail 142 is co-axially located at the pedestal 141
Cavity inside, the surface of slide rail 142 are provided with a U-shaped chute；
Rigid slide block 143, its rigid slide block 143 are the drum organization being small at both ends and big in the middle, the rigid slide block 143
Diameter parallel is embedded on the chute in the axis of the slide rail 142, the middle part activity of the rigid slide block 143, described firm
Property sliding block 143 two heads be plane and parallel to the cavity inner wall of the pedestal 141, two heads of the rigid slide block 143
Plane be provided with multiple projections, it is contacted with the inwall of the cavity of the pedestal 141.
In the above-mentioned technical solutions, the setting of vibrating mechanism 14 avoids causes because the big sand pack coefficient of pitch change diminishes
Ineffective problem caused by identical conveying capacity, its in the case where auger does not reduce conveying capacity, does not reduce transporting velocity,
It is almost 0 to make material and helical blade 13, the frictional resistance of spiral blades 133, full sand grains is exported simultaneously discharging, air inlet
Mouth, gas outlet are taken a breath with plenum 123, pumping chamber 122 respectively, and flexible pipe body makes air-flow in vibrations and rotation process steady flow
Dynamic, rigid slide block 143 is existed in the chute of slide rail 142 by gas shock rotational vibrations, the drum surface of rigid slide block 143 by projection
Contacted under effect of vibration with the inwall of pedestal 141, be bonded then remote, the contact area of increase rigid slide block 143 and slide rail 142,
Frictional force, the pressure caused by impact force that contact surface is subject to are reduced, strengthens the vibrating effect of small space.
Number of devices and treatment scale described herein are for simplifying explanation of the present utility model.To the utility model
Application, modifications and variations will be readily apparent to persons skilled in the art.
Although embodiment of the present utility model is disclosed as above, it is not restricted in specification and embodiment
Listed utilization, it can be applied to various suitable fields of the present utility model completely, for those skilled in the art,
Other modification is easily achieved, therefore under the universal limited without departing substantially from claim and equivalency range, this reality
Specific details is not limited to new and shown here as the legend with description.
Claims (8)
- A kind of 1. fracturing blender truck variable-pitch auger sediment transport auger, it is characterised in that including：Housing, it is obliquely installed, feed end connection feed hopper, the discharge end connection mixing sand tank of the housing；Screw-conveyer-shaft, it is arranged on the enclosure interior, the output axis connection of the screw-conveyer-shaft and motor, described in the motor driving Screw-conveyer-shaft rotates；Helical blade, it is co-axially located on the screw-conveyer-shaft and coordinated with the inner walls gap, the helical blade bag The Part I positioned at bottom and superposed Part II are included, the Part I uniform pitch is set, the Part II Pitch successively decrease from bottom to top setting, the Part II and the pitch of the junction of the Part I are not less than described first Partial pitch.
- 2. fracturing blender truck as claimed in claim 1 variable-pitch auger sediment transport auger, it is characterised in that Part I and second The axial length ratio divided is less than 1:3.
- 3. fracturing blender truck as claimed in claim 1 variable-pitch auger sediment transport auger, it is characterised in that the spiral shell of the Part I Away from 0.5~0.6 times for the helical blade diameter, the pitch of the Part II is the 0.6~1 of the helical blade diameter Times.
- 4. fracturing blender truck as claimed in claim 1 variable-pitch auger sediment transport auger, it is characterised in that the helical blade and institute The spacing for stating inner walls is 3~5 times of the diameter of conveying sand grains.
- 5. fracturing blender truck as claimed in claim 1 variable-pitch auger sediment transport auger, it is characterised in that the housing, the strand Imperial axle and horizontal line angle are 30~65 °.
- 6. such as fracturing blender truck according to any one of claims 1 to 5 variable-pitch auger sediment transport auger, it is characterised in that described Isodiametric at least one spiral blades are additionally provided with screw-conveyer-shaft, for any one spiral blades, it is arranged on the spiral shell Do not conflict between the two adjacent rings in the big pitch portion of vane piece and with the helical blade, the spiral blades and the spiral shell The rotation direction of vane piece is consistent, diameter ratio is 1:2~4, the pitch of the spiral blades is successively decreased from bottom to top, wherein, the spiral shell The big pitch portion of vane piece is the part of the pitch that pitch is more than the Part I on the Part II.
- 7. fracturing blender truck as claimed in claim 6 variable-pitch auger sediment transport auger, it is characterised in that the screw-conveyer-shaft is inside Hollow structure, hollow appendix is coaxially provided with inside it, conveying cleaning fluid is formed between the screw-conveyer-shaft and the appendix Ring cavity, the appendix be internally formed conveying air cylindrical cavity, the screw-conveyer-shaft connects with cleaning fluid tank body, institute State appendix to connect with cylinder, the screw-conveyer-shaft is provided with multiple injection wells and liquor charging hole, the injection well and the appendix Sealing is connected, and at least three injection wells and at least three liquor chargings are equipped between any two circle of the helical blade Hole, the injection well are equipped with weight with being equipped with magnetic valve on the liquor charging hole at the crest of each circle of the helical blade Quantity sensor.
- 8. fracturing blender truck as claimed in claim 7 variable-pitch auger sediment transport auger, it is characterised in that the appendix is separated Into pumping chamber and plenum, the plenum connects with the injection well,The upper surface of lower leaflet between any two circle in the big pitch portion of the helical blade is provided with vibration close to edge Mechanism, it includes：Pedestal, it is internally formed a cylindrical cavity, and the pedestal is provided with air inlet and gas outlet, the air inlet, described Gas outlet is connected by flexible pipe body with the plenum, pumping chamber sealing respectively；Slide rail, it is annular closed form structure, and the slide rail is co-axially located at the cavity inside of the pedestal, the slide rail surface Provided with a U-shaped chute；Rigid slide block, it is the drum organization being small at both ends and big in the middle, and the diameter parallel of the rigid slide block is in the axle of the slide rail Line, the middle part activity of the rigid slide block are embedded on the chute, two heads of the rigid slide block for plane and parallel to The cavity inner wall of the pedestal, the plane on two heads of the rigid slide block are provided with multiple projections, its sky with the pedestal The inwall contact of chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720533597.5U CN206766977U (en) | 2017-05-15 | 2017-05-15 | Fracturing blender truck variable-pitch auger sediment transport auger |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720533597.5U CN206766977U (en) | 2017-05-15 | 2017-05-15 | Fracturing blender truck variable-pitch auger sediment transport auger |
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| Publication Number | Publication Date |
|---|---|
| CN206766977U true CN206766977U (en) | 2017-12-19 |
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ID=60640360
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|---|---|---|---|
| CN201720533597.5U Withdrawn - After Issue CN206766977U (en) | 2017-05-15 | 2017-05-15 | Fracturing blender truck variable-pitch auger sediment transport auger |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107150885A (en) * | 2017-05-15 | 2017-09-12 | 中石化石油工程机械有限公司研究院 | Fracturing blender truck variable-pitch auger sediment transport auger |
-
2017
- 2017-05-15 CN CN201720533597.5U patent/CN206766977U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107150885A (en) * | 2017-05-15 | 2017-09-12 | 中石化石油工程机械有限公司研究院 | Fracturing blender truck variable-pitch auger sediment transport auger |
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Effective date of registration: 20191220 Address after: 100020 No. 22 North Main Street, Chaoyang District, Beijing, Chaoyangmen Patentee after: SINOPEC Group Address before: 430223 East Lake Jianghan New Technology Development Zone, Hubei, Wuhan Province, 5, Jianghan Road, Jianghan Oilfield bit Limited by Share Ltd office building Co-patentee before: SINOPEC OILFIELD EQUIPMENT Corp. Patentee before: SINOPEC OILFIELD EQUIPMENT CORPORATION INSTITUTE |
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Granted publication date: 20171219 Effective date of abandoning: 20220902 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20171219 Effective date of abandoning: 20220902 |