CN106338330A - Injecting and blowing tank weighing and calibrating system - Google Patents
Injecting and blowing tank weighing and calibrating system Download PDFInfo
- Publication number
- CN106338330A CN106338330A CN201610932488.0A CN201610932488A CN106338330A CN 106338330 A CN106338330 A CN 106338330A CN 201610932488 A CN201610932488 A CN 201610932488A CN 106338330 A CN106338330 A CN 106338330A
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- Prior art keywords
- weighing
- bearing
- pressure
- school
- calibrating
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G23/00—Auxiliary devices for weighing apparatus
- G01G23/01—Testing or calibrating of weighing apparatus
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Fluid-Pressure Circuits (AREA)
Abstract
The invention discloses an injecting and blowing tank weighing and calibrating system with the object of solving the problem that an injecting and blowing tank, after its first installation and long time use, needs weighing and calibrating. Therefore, an injecting and blowing tank weighing and calibrating system is designed which comprises calibrating devices corresponding to the legs of the injecting and blowing tank one to one as well as loading devices to load the calibrating devices. Each calibrating device comprises a weighing holder, a calibrating beam arranged above the weighing holder, a telescopic device arranged between the weighing holder and the calibrating beam, and a plurality of draw bars for connecting the weighing holder and the calibrating beams as well as a weighing sensor arranged between the telescopic device and the weighing holder. Through holes are provided on the weighing holders and the position close to the edge/angle of the calibrating beams. The weighing holders correspond to the through holes on the calibrating beams one to one. The draw bars penetrate the through holes correspond to the weighing holders and the calibrating beams. The two ends of the draw bars are provided with pressing mechanisms to press tight the weighing holders and the calibrating beams. The loading devices are used to drive the telescopic devices. The system of the invention can rapidly and accurately mark and calibrate an injecting and blowing tank.
Description
Technical field
The present invention relates to a kind of injection tank school claims system.
Background technology
At present, it is the accurate injection ensureing coal dust in bf coal injection system, need using LOAD CELLS (electronic scale)
The weight of injection tank is measured, and LOAD CELLS is before being taken into use with using being required to after a period of time be checked
With demarcation, check and claim process with the school that the process demarcated is exactly LOAD CELLS.
Content of the invention
For the problems referred to above, the present invention provides a kind of quick, Accurate Calibration and check being capable of being blown tank electronic scale
Injection tank school claim system.
For reaching above-mentioned purpose, present invention injection tank school claims system to include and the injection one-to-one capacity checking device of tank supporting leg
And the charger for loading for capacity checking device；
Described capacity checking device include weighing bearing, be arranged on check beam above bearing of weighing, be arranged on described in weigh
Seat and the described retractor device checked between beam, some for the bearing and check the pull bar of beam and be arranged on of weighing described in connecting
Described retractor device and the described LOAD CELLS weighed between bearing；
Described bearing of weighing is provided with through hole with checking beam near the position at side and/or angle, described weigh bearing and check
Through hole on beam corresponds, and described pull bar passes through bearing of the weighing through hole corresponding with checking beam, and the two ends of described pull bar set
It is equipped with the hold-down mechanism of weigh for compression bearing and check beam；
Described charger is used for driving each described retractor device.
Further, described retractor device is pressure cylinder, and described charger is compression pump；
The outlet of described compression pump is connected with main pipeline, and described main pipeline passes through oil pressure distributor with some branch pipe(tube)s even
Logical, each described branch pipe(tube) is connected with each described pressure cylinder；It is provided with pressure gauge on each described branch pipe(tube).
Further, the connection track of each described pull bar forms a positive polygon prism, the axis of described positive polygon prism and institute
State the dead in line of retractor device.
Further, the described through hole weighed on bearing and described check beam is u shape through hole；
Described pull bar is t shape bolt, and the t shape end of described t shape bolt is coordinated with u shape through hole on described bearing of weighing, described t
The other end of shape bolt is provided with two and described t shape with the described u shape through hole checked on beam cooperation, the described top checking beam
The Anti-slip nut of bolt cooperation, the lower section of described check beam is provided with the spacing adjusting nut with the cooperation of described t shape bolt.
Further, described bearing of weighing includes top board, base plate and strengthens gusset；Wherein, described reinforcement gusset is arranged on
Between described top board and base plate, described strengthen gusset upside be connected with described top board, described reinforcement gusset downside with described
Base plate connects, and described reinforcement gusset includes horizontal gusset and longitudinal gusset, and described horizontal gusset is vertical with described longitudinal gusset to be set
Put；
Described through hole is arranged on described top board.
Further, the outlet of the corresponding each described branch pipe(tube) of described oil pressure distributor is provided with oil circuit plug；
Or, each described branch pipe(tube) is provided with valve.
Further, described charger also includes hydraulic control device, described hydraulic control device and described hydraulic cylinder
Correspond, solenoid directional control valve that each described hydraulic control device all includes being sequentially connected, hydraulic lock, double outlet one-way throttle
Valve, secon-dary pressure compensation device, secon-dary pressure compensation device is arranged on the oil-in pipeline of the rodless cavity side of hydraulic cylinder；Wherein, institute
Also set between the oil-in of hydraulic cylinder rodless cavity side stated and the secon-dary pressure compensation device of hydraulic control device of described hydraulic cylinder
There is load feedback oil circuit, the oil-in of each hydraulic cylinder rodless cavity side is connected with load feedback oil circuit respectively, secon-dary pressure compensation device
Spring side be connected with load feedback oil circuit, all connect one at the rodless cavity side oil-in of each hydraulic cylinder and pressure oil caused
The check valve of load feedback oil circuit.
Further, it is connected with brake valve between described secon-dary pressure compensation device and described pair of outlet one-way throttle valve.
Further, described load feedback oil circuit is provided with overflow valve.
When school claims, the power being loaded on check beam of jacking cylinder is delivered on the tank electronic scale of storehouse pull bar, in pressure gauge
Cooperation under, it is possible to achieve the accurate simulation of storehouse tank weight, thus complete school claiming.During school claims, base of weighing both bore
From the pulling force upwards of t type bolt, it is also subjected to call oneself the downward pressure of electronic scale, and finally keep stress balance, it is to avoid
Failure by shear to base infrastructure of weighing.
Brief description
Fig. 1 is that the present invention is blown the structural representation that tank school claims the capacity checking device of system；
Fig. 2 is that the present invention is blown the floor map that tank school claims the check beam of capacity checking device of system；
Fig. 3 claims the principle schematic of the hydraulic control device of capacity checking device of system for present invention injection tank school.
Specific embodiment
With reference to Figure of description, the present invention will be further described.
Embodiment 1
As shown in Figure 1-2, injection tank school claims system to include and is blown the one-to-one capacity checking device of tank supporting leg 7 and is used for
The charger loading for capacity checking device；
Described capacity checking device include weighing bearing, be arranged on check beam 2 above bearing of weighing, be arranged on described in weigh
Seat and the described retractor device 4 checked between beam 2, some for the bearing and check the pull bar 5 of beam 2 and set of weighing described in connecting
Put in described retractor device 4 and the described LOAD CELLS 8 weighed between bearing；
Described bearing of weighing is provided with through hole with checking beam 2 near the position at side and/or angle, described weigh bearing and check
Through hole on beam 2 corresponds, and described pull bar 5 passes through weighs bearing and check the corresponding through hole of beam 2, and the two of described pull bar 5
End is provided with the hold-down mechanism of weigh for compression bearing and check beam 2；
Described charger is used for driving each described retractor device 4.
When school claims, the power being loaded on check beam 2 of jacking cylinder is delivered on the tank electronic scale of storehouse pull bar 5, in pressure
Under the cooperation of table, it is possible to achieve the accurate simulation of storehouse tank weight, thus complete school claiming.During school claims, base 6 of weighing both held
By the pulling force upwards from t type bolt, it is also subjected to call oneself the downward pressure of electronic scale, and finally keep stress balance, it is to avoid
Failure by shear to base 6 infrastructure of weighing.
Embodiment 2
On the basis of above-described embodiment, described retractor device 4 is pressure cylinder, and described charger is compression pump；
The outlet of described compression pump is connected with main pipeline, and described main pipeline passes through oil pressure distributor with some branch pipe(tube)s even
Logical, each described branch pipe(tube) is connected with each described pressure cylinder；It is provided with pressure gauge on each described branch pipe(tube).
The outlet of the corresponding each described branch pipe(tube) of described oil pressure distributor is provided with oil circuit plug；
Or, each described branch pipe(tube) is provided with valve.
The present embodiment under the cooperation of oil pressure distributor, by adjust distributor on plug or the valve on branch pipe(tube)
Door, both can have been loaded to single jacking cylinder it is also possible to a group oil cylinder is carried out with isobaric loading simultaneously.
Embodiment 3
On the basis of above-described embodiment, the connection track of each described pull bar 5 forms a positive polygon prism, described just many ribs
The axis of post and the dead in line of described retractor device 4.
The connection track of individual pull bar 5 is set to a positive polygon prism by the present embodiment, and the axis of positive polygon prism with
The dead in line of retractor device 4, so, the power that retractor device 4 applies can be evenly transferred on each pull bar 5, so, when flexible
When device 4 is loaded device driving, each pull bar 5 and retractor device 4 form balance between two forces mechanism, check beam 2 and will not produce other
The component in direction, it is possible to increase the precision of check.
Embodiment 4
On the basis of above-described embodiment, the described through hole weighed on bearing and described check beam 2 is u shape through hole；
Described pull bar 5 is t shape bolt, and the t shape end of described t shape bolt is coordinated with u shape through hole on described bearing of weighing, described
The other end of t shape bolt with described check beam 2 on u shape through hole cooperation, described check beam 2 top be provided with two with described
The Anti-slip nut 1 of t shape bolt cooperation, the described lower section checking beam 2 is provided with the spacing adjusting nut with the cooperation of described t shape bolt
3.
Described bearing of weighing includes top board, base plate and strengthens gusset；Wherein, described reinforcement gusset be arranged on described top board and
Between base plate, the described upside strengthening gusset is connected with described top board, and the described downside strengthening gusset is connected with described base plate, institute
State reinforcement gusset and include horizontal gusset and longitudinal gusset, described horizontal gusset is vertically arranged with described longitudinal gusset；
It is disposed with u-shaped bolt hole in base 6 of weighing with checking beam 2 two ends, easily t type bolt can be sticked into bolt
In the hole, thus constitute school to claim door type frame, it is to avoid wears the problem of difficulty under t type bolt in the case of small space.When school claims, school claims
The loading force of jacking cylinder is delivered on the tank electronic scale of storehouse door type frame, under manometric cooperation, it is possible to achieve the tank weight of storehouse
Accurate simulation, thus complete school claiming.During school claims, base 6 of weighing both had born the pulling force upwards from t type bolt,
Bear the downward pressure to call oneself electronic scale, and finally keep stress balance, it is to avoid shearing to base 6 infrastructure of weighing
Destroy.
Embodiment 5
On the basis of above-described embodiment, as shown in figure 3, described charger also includes hydraulic control device, described liquid
Pressure control device is corresponded with described hydraulic cylinder, solenoid directional control valve 9 that each described hydraulic control device all includes being sequentially connected,
Hydraulic lock 10, double outlet one-way throttle valve 11, secon-dary pressure compensation device 13, secon-dary pressure compensation device 13 is arranged on the nothing of hydraulic cylinder
On the oil-in pipeline of rod cavity side；Wherein, the described oil-in of hydraulic cylinder rodless cavity side and the hydraulic control of described hydraulic cylinder
Be additionally provided with load feedback oil circuit between the secon-dary pressure compensation device 13 of device, the oil-in of each hydraulic cylinder rodless cavity side respectively with negative
Carry feedback oil circuit to be connected, the spring side of secon-dary pressure compensation device 13 is connected with load feedback oil circuit, the rodless cavity of each hydraulic cylinder
A check valve 14 that pressure oil is caused load feedback oil circuit is all connected at the oil-in of side.
It is connected with brake valve 12 between described secon-dary pressure compensation device 13 and described pair of outlet one-way throttle valve 11.
It is provided with overflow valve 15 on described load feedback oil circuit.
P end is the oil inlet end of hydraulic control system, and t end is the oil outlet end of hydraulic control system.First hydraulic cylinder corresponds to
First group of hydraulic control device, second hydraulic cylinder corresponds to second group of hydraulic control device, first, second group of hydraulic control device
Composition hydraulic control system.First group, second group of hydraulic control device all include solenoid directional control valve 9, solenoid directional control valve 9 rear end even
Double outlet one-way throttle valves 11 that the hydraulic lock 10 that connects, the rear end of described hydraulic lock 10 connect, described double export one-way throttles
The rear end of valve 11 is provided with secon-dary pressure compensation device 13, and described secon-dary pressure compensation device 13 is arranged on hydraulic cylinder rodless cavity side and enters
On the inflow pipeline of oil port, connect at the spring side of described secon-dary pressure compensation device 13 and hydraulic cylinder rodless cavity side oil-in simultaneously
It is connected to load feedback oil circuit.
Secon-dary pressure compensation device 13 is the upper of secon-dary pressure compensation device 13 with the one end near double outlet one-way throttle valves 11
Trip, one end of secon-dary pressure compensation device 13 and close hydraulic cylinder is the downstream of secon-dary pressure compensation device 13.
Pipeline at the rodless cavity side oil-in of each hydraulic cylinder all connects a check valve 14, and check valve 14 is located at secondary
The downstream of stage pressure compensator 13, that is, the inflow pipeline of check valve 14 is arranged on secon-dary pressure compensation device 13 with hydraulic cylinder no
Between the oil-in of rod cavity side, the outlet oil circuit of all described check valves 14 is in parallel, thus the rodless cavity side by each hydraulic cylinder
At oil-in, pressure unification is in load feedback oil circuit, the spring side of secon-dary pressure compensation device 13 and load feedback oil communication.
When upper steel skirt system works, hydraulic cylinder rod chamber starts to stretch out, and rodless cavity lateral pressure begins setting up, and is formed negative
Carry pressure pl, because the different and each Hydraulic Cylinder of the opening degree of the speed control muffler of each hydraulic cylinder loads different, each liquid
The load pressure p of cylinder pressurelCan be different, the port of export due to all check valves 14 is connected in same oil line pipe, so
The pressure in check valve 14 exit is equal to maximum p of all hydraulic cylinder load pressurelmax, that is, in load feedback oil circuit
Pressure is the maximum of all hydraulic cylinder load pressure, due to the spring of load feedback oil circuit and each secon-dary pressure compensation device 13
Side is connected, so the pressure that each secon-dary pressure compensation device 13 bears is the pressure in load feedback oil circuit, that is, owns
Maximum p of hydraulic cylinder load pressurelmax.
The spring of all secon-dary pressure compensation devices 13 sets pressure reduction and is δ pa, so each secon-dary pressure compensation device 13
Upstream pressure ps=plmax+δpaEqual, because each valve group fuel feed pump communicates, so oil circuit enters the pressure before solenoid directional control valve 91
Power ppIt is all consistent, so the pressure reduction δ p from solenoid directional control valve 91 import to secon-dary pressure compensation device 13 upstreamb=pp-ps?
Equal.
Due to being standard-sized sheet after solenoid directional control valve 9 energising, each hydraulic lock 10 and one-way throttle valve are in the opening degree of inlet side
It is regarded as the same, and solenoid directional control valve 9 import is to the pressure reduction δ p of secon-dary pressure compensation device 13 upstreambAlso equal, therefore logical
The flow crossing each pressure compensator is equal, that is, enter each hydraulic cylinder rodless cavity flow equal, due to the same time
The flow entering each hydraulic cylinder is equal, therefore the speed of each hydraulic cylinder is also just equal.
Secondly as opening degree on the inflow pipeline of rodless cavity side for each valve group is all equal, and all non-adjustable, then to enter
The flow of each hydraulic cylinder rodless cavity is by the pressure reduction δ p from solenoid directional control valve 9 import to secon-dary pressure compensation device 13 upstreambDetermine,
Namely the responsiveness of each hydraulic cylinder is by pressure reduction δ pbDetermine, due to the pressure p before solenoid directional control valve 9pConstant, second pressure
The setting pressure reduction equal δ p of compensator 135aAlso constant, so the speed of each hydraulic cylinder is by the maximum work of load feedback circuit feedback
Make load plmaxDetermine, and the back pressure that the workload of each hydraulic cylinder is produced by the speed control muffler of each hydraulic cylinder and being promoted
Load determines, because hydraulic cylinder overcomes the load pressure that Bar Wire Product weight produces to be less than the back pressure that outlet throttling produces, and overcomes
The load pressure that the weight of bar is brought is non-adjustable, so it is believed that maximum functional load plmaxOpened by producing maximum back pressure
The minimum speed control muffler of mouth degree determines, that is, the speed of each hydraulic cylinder is determined by the minimum speed control muffler of opening degree.That
When actually used, by other choke valve opening degrees are adjusted to maximum, intentionally the opening degree of a choke valve is turned down to conjunction
Suitable so as to corresponding hydraulic cylinder produces the maximum back pressure in all hydraulic cylinder so that it may realize a choke valve need to being operated to reach
To control whole system hydraulic cylinder responsiveness, and realize synchronous purpose.
The hydraulic control system of the present embodiment, using load feedback oil circuit by maximum load pressure during each hydraulic cylinder action
Power is led to the spring side of the pressure compensator at the oil-in of hydraulic cylinder rodless cavity side it is ensured that the pressure one of pressure compensator upstream
Cause, the oil inlet quantity realizing each hydraulic cylinder is identical, thus the action realizing each hydraulic cylinder is synchronous, it is to avoid steel skirtboard on each
The asynchronous impact bringing of hydraulic cylinder.Again due to feedback oil circuit is the load of each hydraulic cylinder to be unified into maximum pressure bear
Carry, and the load pressure of the hydraulic cylinder of maximum load pressure i.e. one-way throttle valve opening minimum is it is possible to pass through one
The aperture of individual hydraulic cylinder oil circuit speed control muffler is turned down so that it may realize only operating a choke valve to reach control whole system liquid
Cylinder pressure responsiveness, and realize synchronous purpose.The hydraulic control system of the present embodiment simultaneously, structure does not simply need to install again
Miscellaneous pipeline, reaches the effect of good hydraulic cylinder synchronous using less cost and space.
The present embodiment is only the hydraulic control system listing and comprising two groups of hydraulic control devices it should be understood that all will not
Form hydraulic control system less than two groups of cooling bed steel-feeding skirtboard hydraulic control devices all the present invention's in the way of the present embodiment
Within protection domain.
Further, it is connected between each described secon-dary pressure compensation device 13 and described pair of outlet one-way throttle valve 11
Brake valve 12, and 12 groups of described brake valve is connected with bidirectional relief valve 15, bidirectional relief valve 15 can adjust 12 liang of brake valve
The oil pressure relief of side, thus well limit hydraulic cylinder both sides maximum pressure, be effectively protected Hydraulic Elements, hydraulic jack,
Hydraulic oil pipe.
Further, overflow valve 15 is arranged on load feedback oil circuit.Overflow valve 15 can limit highest load pressure, prevents
Only valve group produces stuck phenomenon.
More than, only presently preferred embodiments of the present invention, but protection scope of the present invention is not limited thereto, any it is familiar with basis
Those skilled in the art the invention discloses technical scope in, the change or replacement that can readily occur in, all should cover
Within protection scope of the present invention.Therefore, protection scope of the present invention should be defined by the protection domain that claim is defined.
Claims (9)
1. a kind of injection tank school claim system it is characterised in that: include and the injection one-to-one capacity checking device of tank supporting leg and use
In the charger loading for capacity checking device；
Described capacity checking device include weighing bearing, be arranged on check beam above bearing of weighing, be arranged on described in weigh bearing and
Retractor device between described check beam, some for the bearing and check the pull bar of beam and be arranged on described of weighing described in connecting
Retractor device and the described LOAD CELLS weighed between bearing；
Described weigh bearing and check beam the position at side and/or angle is provided with through hole, described weigh bearing and check beam on
Through hole correspond, described pull bar passes through weigh bearing and the check corresponding through hole of beam, and the two ends of described pull bar are provided with
For compressing weigh bearing and the hold-down mechanism checking beam；
Described charger is used for driving each described retractor device.
2. as claimed in claim 1 injection tank school system it is characterised in that: described retractor device is called pressure cylinder, described loading
Device is compression pump；
The outlet of described compression pump is connected with main pipeline, and described main pipeline is connected with some branch pipe(tube)s, respectively by oil pressure distributor
Described branch pipe(tube) is connected with each described pressure cylinder；It is provided with pressure gauge on each described branch pipe(tube).
3. injection tank school as claimed in claim 1 claim system it is characterised in that: the connection track of each described pull bar is just forming one
Polygon prism, the axis of described positive polygon prism and the dead in line of described retractor device.
4. injection tank school as claimed in claim 1 claim system it is characterised in that: described weigh on bearing and described check beam logical
Hole is u shape through hole；
Described pull bar is t shape bolt, and the t shape end of described t shape bolt is coordinated with u shape through hole on described bearing of weighing, described t shape spiral shell
The other end of bolt is provided with two and described t shape bolt with the described u shape through hole checked on beam cooperation, the described top checking beam
The Anti-slip nut of cooperation, the lower section of described check beam is provided with the spacing adjusting nut with the cooperation of described t shape bolt.
5. as claimed in claim 1 injection tank school claim system it is characterised in that: described bearing of weighing include top board, base plate and plus
Strong gusset；Wherein, described reinforcement gusset is arranged between described top board and base plate, described upside and the described top board strengthening gusset
Connect, the described downside strengthening gusset is connected with described base plate, described reinforcement gusset includes horizontal gusset and longitudinal gusset, described
Laterally gusset is vertically arranged with described longitudinal gusset；
Described through hole is arranged on described top board.
6. injection tank school as claimed in claim 2 claim system it is characterised in that: described oil pressure distributor corresponds to each described branch pipe(tube)
Outlet be provided with oil circuit plug；
Or, each described branch pipe(tube) is provided with valve.
7. as claimed in claim 2 injection tank school claim system it is characterised in that: described charger also include hydraulic control dress
Put, described hydraulic control device is corresponded with described hydraulic cylinder, each described hydraulic control device all includes the electricity being sequentially connected
Magnetic reversal valve, hydraulic lock, double outlet one-way throttle valve, secon-dary pressure compensation device, secon-dary pressure compensation device is arranged on hydraulic cylinder
On the oil-in pipeline of rodless cavity side；Wherein, the described oil-in of hydraulic cylinder rodless cavity side and the hydraulic pressure control of described hydraulic cylinder
Be additionally provided with load feedback oil circuit between the secon-dary pressure compensation device of device processed, the oil-in of each hydraulic cylinder rodless cavity side respectively with negative
Carry feedback oil circuit to be connected, the spring side of secon-dary pressure compensation device is connected with load feedback oil circuit, the rodless cavity side of each hydraulic cylinder
A check valve that pressure oil is caused load feedback oil circuit is all connected at oil-in.
8. injection tank school as claimed in claim 7 claim system it is characterised in that: described secon-dary pressure compensation device with described pair go out
It is connected with brake valve between mouth one-way throttle valve.
9. as claimed in claim 8 injection tank school claim system it is characterised in that: be provided with overflow on described load feedback oil circuit
Valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610932488.0A CN106338330A (en) | 2016-10-31 | 2016-10-31 | Injecting and blowing tank weighing and calibrating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610932488.0A CN106338330A (en) | 2016-10-31 | 2016-10-31 | Injecting and blowing tank weighing and calibrating system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106338330A true CN106338330A (en) | 2017-01-18 |
Family
ID=57840575
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610932488.0A Pending CN106338330A (en) | 2016-10-31 | 2016-10-31 | Injecting and blowing tank weighing and calibrating system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106338330A (en) |
Citations (8)
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|---|---|---|---|---|
| CN2220462Y (en) * | 1995-03-28 | 1996-02-21 | 中外合资常熟通润机电有限公司 | hydraulic double-pump high-speed horizontal jack |
| CN201434723Y (en) * | 2009-05-14 | 2010-03-31 | 天津大学 | Jack of large-sized structure weighting system and quick checking device of weight sensor |
| CN102353438A (en) * | 2011-06-13 | 2012-02-15 | 中国一冶集团有限公司 | Scale calibrating device and scale calibrating method for hopper scale with hopper or hopper bin horizontal detection |
| CN102879216A (en) * | 2012-09-24 | 2013-01-16 | 中南大学 | Comprehensive dynamic rubbing characteristic testing system for ultralow-speed operated hydraulic press |
| CN203203695U (en) * | 2013-03-12 | 2013-09-18 | 中冶赛迪工程技术股份有限公司 | Coal injecting tank calibration device |
| CN104295551A (en) * | 2014-08-18 | 2015-01-21 | 中国农业大学 | Self-steering proportional control valve block and navigation hydraulic system based on self-steering proportional control valve block |
| CN204851816U (en) * | 2015-08-05 | 2015-12-09 | 中冶华天工程技术有限公司 | Cold bed skirtboard hydraulic control system that raises to higher plane of principle |
| CN205190393U (en) * | 2015-11-25 | 2016-04-27 | 上海电气液压气动有限公司 | Hydraulic drive device of super large jumbo |
-
2016
- 2016-10-31 CN CN201610932488.0A patent/CN106338330A/en active Pending
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|---|---|---|---|---|
| CN2220462Y (en) * | 1995-03-28 | 1996-02-21 | 中外合资常熟通润机电有限公司 | hydraulic double-pump high-speed horizontal jack |
| CN201434723Y (en) * | 2009-05-14 | 2010-03-31 | 天津大学 | Jack of large-sized structure weighting system and quick checking device of weight sensor |
| CN102353438A (en) * | 2011-06-13 | 2012-02-15 | 中国一冶集团有限公司 | Scale calibrating device and scale calibrating method for hopper scale with hopper or hopper bin horizontal detection |
| CN102879216A (en) * | 2012-09-24 | 2013-01-16 | 中南大学 | Comprehensive dynamic rubbing characteristic testing system for ultralow-speed operated hydraulic press |
| CN203203695U (en) * | 2013-03-12 | 2013-09-18 | 中冶赛迪工程技术股份有限公司 | Coal injecting tank calibration device |
| CN104295551A (en) * | 2014-08-18 | 2015-01-21 | 中国农业大学 | Self-steering proportional control valve block and navigation hydraulic system based on self-steering proportional control valve block |
| CN204851816U (en) * | 2015-08-05 | 2015-12-09 | 中冶华天工程技术有限公司 | Cold bed skirtboard hydraulic control system that raises to higher plane of principle |
| CN205190393U (en) * | 2015-11-25 | 2016-04-27 | 上海电气液压气动有限公司 | Hydraulic drive device of super large jumbo |
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| 张东生: "《机械零件及建筑机械》", 30 September 2005, 重庆大学出版社 * |
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Application publication date: 20170118 |
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