CN104062127B - Load simulator and load simulated method - Google Patents
Load simulator and load simulated method Download PDFInfo
- Publication number
- CN104062127B CN104062127B CN201410217145.7A CN201410217145A CN104062127B CN 104062127 B CN104062127 B CN 104062127B CN 201410217145 A CN201410217145 A CN 201410217145A CN 104062127 B CN104062127 B CN 104062127B
- Authority
- CN
- China
- Prior art keywords
- cylinder
- load simulator
- cylinder section
- load
- section
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
- Testing Of Engines (AREA)
Abstract
The invention discloses a kind of load simulator and load simulated method, the load simulated method includes：According to the reservoir quantity that vehicle barycenter to be tested and quality determine each cylinder section in load simulator；According to the reservoir quantity of each cylinder section that determines, fluid injection in the liquid injection hole from each cylinder section of the load simulator being arranged on the chassis of vehicle；After fluid injection is completed to load simulator, vehicle is made a service test；Wherein, load simulator is specifically included：Cylinder, its are formed by least two section concatenations；Liquid injection hole and passage are offered at the top of cylinder section, its bottom offers the outage for installing valve；Two end plates, are respectively arranged at the two ends of cylinder, for closed cylinder；The intersegmental baffle plate of adjacent cartridges is arranged at, for isolating the cavity of adjacent cartridges section.In technical scheme, a load simulator can simulate different quality, the load of different barycenter；Such that it is able to greatly save the cost of the performance test of vehicle.
Description
Technical field
The present invention relates to discharger field, more particularly to a kind of load simulator and load simulated method.
Background technology
Vehicle is generally included：Chassis and the load on chassis.
Before Car design is shaped, the load simulated dress equal with load gross mass is installed generally on the sample car on chassis
Put, the barycenter and weight in order to simulating vehicle car load, complete vehicle loading, the property transported, unload etc. under various working conditions
Can test.At present, existing load simulator is typically the steel cylinder of a steel cylinder or casting cement, i.e., one existing load
Lotus analog can only simulate a barycenter of load and a kind of quality.
However, in order to preferably design vehicle, needs are to being mounted with different barycenter, the vehicle of the load of different quality enters
Row performance test.Obviously, existing load simulator can only simulate a barycenter of load and a kind of quality；Therefore, have
Necessity provides a kind of load simulator of the load that can simulate different barycenter and quality.
Content of the invention
For the defect that above-mentioned prior art is present, the invention provides a kind of load simulator and load simulated side
Method, can simulate the load of different barycenter, different quality.
According to the one side of technical solution of the present invention, there is provided a kind of load simulated method, including：
According to the reservoir quantity that vehicle barycenter to be tested and quality determine each cylinder section in load simulator；
According to the reservoir quantity of each cylinder section that determines, from each cylinder section of the load simulator being arranged on the chassis of vehicle
On liquid injection hole in fluid injection；
After fluid injection is completed to the load simulator, the vehicle is made a service test；
Wherein, the load simulator is specifically included：
Cylinder, its are concatenated by least two sections；Liquid injection hole and passage are offered at the top of the cylinder section, its bottom
Portion offers the valvular outage of installation；
Two end plates, are respectively arranged at the two ends of the cylinder, for closing the cylinder；
The intersegmental baffle plate of adjacent cartridges is arranged at, for isolating the cavity of adjacent cartridges section.
It is preferred that the barycenter to be tested according to the vehicle and quality determine each cylinder section in load simulator
Reservoir quantity, specifically includes：
From reservoir quantity allocation list, the fluid injection of each cylinder section in the barycenter to be tested and quality corresponding record is found
Amount, used as the reservoir quantity of each cylinder section in the load simulator that determines；
Wherein, prestored under different barycenter and quality condition in the reservoir quantity allocation list, corresponding each cylinder section
Reservoir quantity.
Further, described the vehicle is made a service test after, also include：
Discharging tube is docked to after the outage of each cylinder section of the load simulator, the valve of each outage is opened, will
The liquid being previously injected in each cylinder section is discharged.
According to the other side of technical solution of the present invention, a kind of load simulator is additionally provided, including：
Cylinder, its are concatenated by least two sections；Liquid injection hole and passage are offered at the top of the cylinder section, its bottom
Portion offers the outage for installing valve；
Two end plates, are respectively arranged at the two ends of the cylinder, for closing the cylinder；
The intersegmental baffle plate of adjacent cartridges is arranged at, for isolating the cavity of adjacent cartridges section.
Further, the central authorities of the baffle plate are further opened with manhole；And
The load simulator also includes：In order to cover and close off the manhole cover of the manhole of the baffle plate.
It is preferred that being provided with least one water-stop sheet in the cylinder section of the cylinder；The side of the water-stop sheet is welded on described
On the inner surface of cylinder；And
Between the cylinder section end plates and water-stop sheet, between baffle plate and water-stop sheet or between two neighboring water-stop sheet
Cavity at the top of offer liquid injection hole and passage, its bottom offer install valve outage.
Further, the central authorities of the water-stop sheet in the cylinder section are further opened with manhole；And
The load simulator also includes：In order to cover and close off the manhole cover of the manhole of the water-stop sheet.
It is preferred that the water-stop sheet arranged in the cylinder section is at least two, and
Water tank is additionally provided between the two neighboring water-stop sheet of the cylinder section；
Wherein, header board, back plate of the two neighboring water-stop sheet respectively as the water tank；The lid of the rectangle of the water tank
Plate, its top, is respectively welded on the barrel of the cylinder section both sides below, and its front, back are respectively welded at described adjacent two
On individual water-stop sheet；
Liquid injection hole is offered on the cover plate of the water tank, the liquid injection hole is connected with the liquid injection hole at the top of the cylinder section.
Further, the load simulator, also includes：It is fixed on the balancing weight of the cylinder body bottom outer surface.
Further, the load simulator, also includes：It surround and is fixed in the cylinder of the load simulator respectively
Two cylinder section outer surfaces two hanger rings, and the hanger being fixed on the hanger ring.
In technical scheme, fluid injection is carried out to each cylinder section in a load simulator of vehicle, different
Fluid injection species and reservoir quantity can simulate the load of different gross masses；Selectivity is carried out to different cylinder sections in load simulator
Ground fluid injection, and the adjustment of reservoir quantity is carried out to the cylinder section of each fluid injection, a load simulator can be caused to simulate not
Load with barycenter；Such that it is able to greatly save the cost of the performance test of vehicle.
And, filling liquid or discharging liquid are carried out by the cylinder section to the load simulator, easily can be adjusted
The gross mass of whole load simulator and barycenter, compared with the whole load simulator for changing different quality or barycenter, significantly
Improve the efficiency of the performance test of vehicle.
Description of the drawings
Schematic perspective views of the Fig. 1 for the load simulator of the embodiment of the present invention；
Volume rendering schematic diagrams of the Fig. 2 for a kind of section of the embodiment of the present invention；
Side-looking perspective diagrams of the Fig. 3 for the cylinder section of the embodiment of the present invention；
Volume rendering schematic diagrams of the Fig. 4 for another kind of cylinder section of the embodiment of the present invention；
Schematic diagrams of the Fig. 5 for the hanger of the embodiment of the present invention；
Schematic flow sheets of the Fig. 6 for the load simulated method of the embodiment of the present invention.
Specific embodiment
For making the objects, technical solutions and advantages of the present invention become more apparent, referring to the drawings and preferred reality is enumerated
Example is applied, the present invention is described in more detail.However, it is necessary to illustrate, many details that lists in description are only to be
Reader is made to have a thorough explanation to one or more aspects of the present invention, even without these specific details can also
Realize the aspects of the invention.
If the present inventor is it is considered that load simulator to be divided into the bay section of diverse location, and each bay section
Barycenter and the quality of the bay section can be independently adjustable, then can simulate the load of different barycenter and different quality, so as to
Greatly save the cost of the performance test of vehicle.
And, barycenter and the quality of each bay section is adjusted, more more convenient than changing whole load simulator, car can be improved
Performance test efficiency.
The technical scheme of the embodiment of the present invention is specifically introduced below in conjunction with the accompanying drawings.
Load simulator on a kind of chassis for being arranged at vehicle provided in an embodiment of the present invention, its schematic perspective view is such as
Shown in Fig. 1, including：101, two end plates 102 of cylinder, and at least one baffle plate 103.
Wherein, cylinder 101 is concatenated by least two sections 111.Volume rendering schematic diagram such as Fig. 2 of cylinder section 111
Shown, its side-looking perspective diagram is as shown in figure 3, the top of cylinder section 111 offers liquid injection hole 121 and passage 122, its bottom
The outage (not marking in figure) for installing valve 123 is offered, valve 123 is connected with outage.
Two end plates 102 are respectively arranged at the two ends of cylinder 101, for closed cylinder 101.
Baffle plate 103 is arranged between adjacent cartridges section 111, for isolating the cavity of adjacent cartridges section 111.
Specifically, the two ends of cylinder section 111 are respectively arranged with flange；The circle of edge one of end plate 102 offers bolt hole；For
Each end plate 102, each bolt hole on the end plate is respectively with cylinder 101 on the flange of outermost 111 one end of a cylinder section
Each via relative；Flange of the end plate by bolt with the section is fastened.The end plate 102 being fastened and the method for cylinder section 111
Compressing between orchid has A type sealing ring (not marking in figure).
Baffle plate 103 is rounded, and its circle of edge one offers bolt hole；For each bolt hole on baffle plate 103, the bolt
Hole is relative with the via on the flange of two neighboring 111 one end of cylinder section respectively.Baffle plate 103 by bolt respectively with two neighboring cylinder
The flange of section 111 is fastened：The via of the flange of 111 one end of cylinder section in the two neighboring cylinder section 111 of screw bolt passes,
After the bolt hole of baffle plate 103, the via of the flange of another 111 one end of section, with supporting nut.The method of cylinder section 111
Compressing between blue and baffle plate 103 has A type sealing ring (not marking in figure).
The material of cylinder section 111, end plate 102 and baffle plate 103 may each be steel；The material of A type sealing ring can be rubber
Glue.
Safeguarded for the ease of the cylinder 101 in load simulator and keeped in repair, as shown in Fig. 2 in baffle plate 103
Centre is further opened with manhole；Load simulator also includes：In order to cover and close off the manhole cover 104 of the manhole of baffle plate 103.
Specifically, make a circle outside the manhole of baffle plate 103 and offer via；The manhole can be with rounded, and its diameter can be
Hundreds of millimeter, such as 550 millimeters.The circle of 104 edge of manhole cover one offers bolt hole.Each bolt hole of manhole cover 104 respectively with
Each via of the manhole periphery of baffle plate 103 is relative.
Manhole cover 104 is fastened with the baffle plate 103 for offering manhole by bolt：For each bolt, the bolt is successively
The via of the manhole periphery of the bolt hole, baffle plate 103 through manhole cover 104, is mutually screwed with matching nut.The manhole cover being fastened
Compressing between 104 and baffle plate 103 has B-mode sealing ring (not marking in figure).The material of B-mode sealing ring can be rubber.
After technical staff can be by the emptying rate of liquid injected in load simulator, remove from the cylinder section 111 of cylinder 101
End plate 102, from the manhole of baffle plate 103 remove manhole cover 104；Technical staff is entered into from the manhole of baffle plate 103
Safeguarded in cylinder section 111 or keeped in repair.
Cylinder section 111 can be hollow；As shown in figure 3, cylinder section 111 can also be provided with least one water-stop sheet in which
124, the side of water-stop sheet 124 is welded on the inner surface of cylinder section 111.For cylinder 101 111 end plates 102 of cylinder section with every
Cavity between water plate 124, between baffle plate 103 and water-stop sheet 124 or between two neighboring water-stop sheet 124, opens at the top of which
Liquid injection hole 121 and passage 122 is provided with, its bottom offers the outage (not marking in figure) for installing valve 123.Water-stop sheet 124
Material can be steel.
In for the ease of the cylinder 101 to load simulator, be provided with water-stop sheet 124 cylinder section 111 safeguarded and
Maintenance, as shown in figure 3, the central authorities of the water-stop sheet 124 in cylinder section 111 are further opened with manhole.Load simulator also includes：In order to
Cover and close off the manhole cover 105 of the manhole of water-stop sheet 124.
Specifically, make a circle outside the manhole of water-stop sheet 124 and offer via；The manhole can be with rounded, and its diameter can be with
For hundreds of millimeter, such as 550 millimeters.The circle of 105 edge of manhole cover one offers bolt hole.Each bolt hole difference of manhole cover 105
Relative with each via of the manhole of water-stop sheet 124 periphery.
Manhole cover 105 is fastened with the water-stop sheet 124 for offering manhole by bolt：For each bolt, the bolt according to
Secondary bolt hole through manhole cover 105, the via of the manhole periphery of water-stop sheet 124, are mutually screwed with matching nut.The people being fastened
Compressing between port lid 105 and water-stop sheet 124 has B-mode sealing ring (not marking in figure).
After technical staff can be by the emptying rate of liquid injected in load simulator, remove from the cylinder section 111 of cylinder 101
End plate 102, from the manhole of baffle plate 103 remove manhole cover 104, from the manhole of water-stop sheet 124 remove manhole cover 105；So that
Technical staff can enter into from the manhole of water-stop sheet 124 and be safeguarded in cylinder section or keeped in repair.
More excellent, in the load simulator of the embodiment of the present invention, if arrange in a cylinder section of cylinder 101 111 every
Water plate 124 is at least two, then between the two neighboring water-stop sheet 124 of the section, as shown in figure 4, being additionally provided with water tank 125.
Wherein, header board, back plate of the two neighboring water-stop sheet 124 in the section respectively as water tank 125；Water tank 125
Cover plate is rectangular, its top, is respectively welded on two side tube-walls of the section below, and its front, back are respectively welded at the cylinder
On two neighboring water-stop sheet 124 in section.Obviously, water tank 125 is the cover plate of water tank 125, the two neighboring water proof of the section
Plate 124, and the barrel of the section surround one sealing cavity.
Liquid injection hole (not marking in figure), the cylinder section 111 that the liquid injection hole is located with water tank 125 is offered on the cover plate of water tank 125
The liquid injection hole at top is connected；The section bottom offers outage (not marking in figure).
Technical staff can pass through the volume for controlling the liquid in injection water tank 125, more fine adjust load simulated
The quality of device and barycenter.
More excellent, the length of the cylinder 101 of the load simulator of the embodiment of the present invention one can be preseting length, for example
15-21 rice；The external diameter of the cylinder 101 in load simulator can be 1.6-2.3 rice.
Additament is set in 101 bottom outer surface of cylinder of load simulator in order to simulate upper dress unbalance loading and height of center of mass
Product, as shown in Figure 3 or Figure 4, also include：It is fixed on the balancing weight 106 of 111 bottom outer surface of cylinder section of cylinder 101.
For the ease of handling installed load analog, load simulator, as shown in Figure 3 or Figure 4, also include：Respectively
It surround and is fixed in two hanger rings of two 111 outer surfaces of cylinder section of cylinder 101, and the hanger being fixed on hanger ring
107.
Hanger 107, as shown in figure 5, its central authorities offers lifting hole(eyelet)；Hang for passing sequentially through suspender belt, shackle for handling appliance
In the lifting hole(eyelet) of hanger 107, Integral lifting installed load analog.
More excellent, as shown in figure 4, the bottom of hanger ring is additionally provided with least two revolution journal stirrups 108；Revolution journal stirrup 108
Central authorities offer the earhole of circle；On the same line, the straight line parallel is in horizontal plane for the axle of the earhole of each revolution journal stirrup 108.
Revolution journal stirrup 108 is used for the chassis that load simulator is fixed on vehicle by attachment structures such as bolts.
Based on the load simulator on the above-mentioned chassis for being arranged at vehicle, the load of vehicle provided in an embodiment of the present invention
Analogy method, its schematic flow sheet is as shown in fig. 6, comprise the steps：
S601：Technical staff determines each cylinder section 111 in load simulator according to vehicle barycenter to be tested and quality
Reservoir quantity.
Specifically, technical staff is from reservoir quantity allocation list, finds out barycenter to be tested with vehicle and quality is corresponding
The fluid injection species of each cylinder section 111 of the load simulator of record, reservoir quantity.Wherein, it is previously stored with reservoir quantity allocation list：
Under vehicle different barycenter and quality condition, the fluid injection species of each cylinder section 111 of the load simulator of the vehicle and reservoir quantity；
The fluid injection species of each cylinder section 111 and reservoir quantity can be that technical staff is obtained ahead of time according to experimental data, or technology
Personnel according to fluid injection after load simulator each cylinder section 111 mechanics principle calculated.Fluid injection species can be water,
The liquid such as fuel oil.
According to the reservoir quantity of each cylinder section of the load simulator for finding out, each cylinder section of load simulator is noted
Liquid.
S602：According to the reservoir quantity of each cylinder section 111 that determines, from the load simulator being arranged on the chassis of vehicle
Each cylinder section 111 on liquid injection hole 121 in fluid injection.
Specifically, for each cylinder section 111 of the load simulator being arranged on the chassis of vehicle, will be with its outage phase
The valve 123 of connection is closed；According to the reservoir quantity of each cylinder section 111 that determines, enter in the liquid injection hole 121 from each cylinder section 111
Row fluid injection.
S603：After fluid injection is completed to load simulator, vehicle is made a service test.
In actual applications, after making a service test to vehicle, discharging tube is docked to each cylinder section of load simulator also
The valve 123 of each outage after 111 outage, is opened, the liquid being previously injected in each cylinder section 111 is discharged.
In the technical scheme of the embodiment of the present invention, fluid injection is carried out to each cylinder section in a load simulator of vehicle,
Different fluid injection species and reservoir quantity can simulate the load of different gross masses；Different cylinder sections in load simulator are carried out
Optionally fluid injection, and the adjustment of reservoir quantity is carried out to the cylinder section of each fluid injection, a load simulator mould can be caused
Draw up the load of different barycenter；Such that it is able to greatly save the cost of the performance test of vehicle.
And, filling liquid or discharging liquid are carried out by the cylinder section to the load simulator, easily can be adjusted
The gross mass of whole load simulator and barycenter, compared with the whole load simulator for changing different quality or barycenter, significantly
Improve the efficiency of the performance test of vehicle.
The above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications also should
It is considered as protection scope of the present invention.
Claims (8)
1. a kind of load simulated method, it is characterised in that include：
According to the reservoir quantity that vehicle barycenter to be tested and quality determine each cylinder section in load simulator；
According to the reservoir quantity of each cylinder section that determines, from each cylinder section of the load simulator being arranged on the chassis of vehicle
Fluid injection in liquid injection hole；
After fluid injection is completed to the load simulator, the vehicle is made a service test；
Wherein, the load simulator is specifically included：
Cylinder, its are concatenated by least two sections；Liquid injection hole and passage are offered at the top of the cylinder section, its bottom is opened
It is provided with the outage for installing valve；
Two end plates, are respectively arranged at the two ends of the cylinder, for closing the cylinder；
The intersegmental baffle plate of adjacent cartridges is arranged at, for isolating the cavity of adjacent cartridges section；
Wherein, the barycenter to be tested according to the vehicle and quality determine the fluid injection of each cylinder section in load simulator
Amount, specifically includes：
From reservoir quantity allocation list, the reservoir quantity of each cylinder section with the barycenter to be tested and quality corresponding record is found,
Reservoir quantity as each cylinder section in the load simulator that determines；
Wherein, prestored under different barycenter and quality condition in the reservoir quantity allocation list, the note of corresponding each cylinder section
Liquid measure.
2. load simulated method as claimed in claim 1, it is characterised in that the vehicle is made a service test described
Afterwards, also include：
Discharging tube is docked to after the outage of each cylinder section of the load simulator, the valve of each outage is opened, by each cylinder
The liquid being previously injected in section is discharged.
3. a kind of load simulator, it is characterised in that include：
Cylinder, its are concatenated by least two sections；Liquid injection hole and passage are offered at the top of the cylinder section, its bottom is opened
It is provided with the outage for installing valve；
Two end plates, are respectively arranged at the two ends of the cylinder, for closing the cylinder；
The intersegmental baffle plate of adjacent cartridges is arranged at, for isolating the cavity of adjacent cartridges section；
Wherein, the central authorities of the baffle plate are further opened with manhole；And
The load simulator also includes：In order to cover and close off the manhole cover of the manhole of the baffle plate.
4. load simulator as claimed in claim 3, it is characterised in that be provided with the cylinder section of the cylinder at least one every
Water plate；The side of the water-stop sheet is welded on the inner surface of the cylinder；And
Between the cylinder section end plates and water-stop sheet, the chamber between baffle plate and water-stop sheet or between two neighboring water-stop sheet
Liquid injection hole and passage is offered at the top of body, and its bottom offers the outage for installing valve.
5. load simulator as claimed in claim 4, it is characterised in that the central authorities of the water-stop sheet in the cylinder section also open up
There is manhole；And
The load simulator also includes：In order to cover and close off the manhole cover of the manhole of the water-stop sheet.
6. load simulator as claimed in claim 5, it is characterised in that the water-stop sheet arranged in the cylinder section is at least two
Individual, and
Water tank is additionally provided between the two neighboring water-stop sheet of the cylinder section；
Wherein, header board, back plate of the two neighboring water-stop sheet respectively as the water tank；The cover plate of the rectangle of the water tank,
Its top, be respectively welded on the barrel of the cylinder section both sides below, its front, back be respectively welded at described two neighboring every
On water plate；
Liquid injection hole is offered on the cover plate of the water tank, the liquid injection hole is connected with the liquid injection hole at the top of the cylinder section.
7. the load simulator as described in claim 4-6 is arbitrary, it is characterised in that also include：It is fixed on the cylinder bottom
The balancing weight of portion's outer surface.
8. the load simulator as described in claim 4-6 is arbitrary, it is characterised in that also include：It surround respectively and is fixed in
Two hanger rings of two cylinder section outer surfaces of the cylinder of the load simulator, and it is fixed on hanging on the hanger ring
Ear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410217145.7A CN104062127B (en) | 2014-05-21 | 2014-05-21 | Load simulator and load simulated method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410217145.7A CN104062127B (en) | 2014-05-21 | 2014-05-21 | Load simulator and load simulated method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104062127A CN104062127A (en) | 2014-09-24 |
| CN104062127B true CN104062127B (en) | 2017-03-15 |
Family
ID=51549943
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410217145.7A Expired - Fee Related CN104062127B (en) | 2014-05-21 | 2014-05-21 | Load simulator and load simulated method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104062127B (en) |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102006029045B4 (en) * | 2006-06-24 | 2008-05-15 | Ford Global Technologies, LLC, Dearborn | dummy load |
| JP2009162707A (en) * | 2008-01-10 | 2009-07-23 | Nikon Corp | Vibration-free pedestal evaluating device |
| CN102636356B (en) * | 2012-04-28 | 2014-07-02 | 辽宁工业大学 | Water-base manikin and adjusting method for mass and gravity center thereof |
-
2014
- 2014-05-21 CN CN201410217145.7A patent/CN104062127B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN104062127A (en) | 2014-09-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110146395A (en) | A kind of laboratory testing rig measuring multilayer soil sample seepage inflow erosion characteristic under pressure in situ | |
| US20080060444A1 (en) | Apparatus and method for measuring crush-resistance of granular materials | |
| CN109311541A (en) | For filling the device and method of big bag | |
| CN102967480B (en) | The water tank type test mass block of bridge type crane slow test | |
| CN109827868B (en) | Coal yard coal bulk density measuring device | |
| CN110907329A (en) | Large-scale corrosion test system and test method thereof | |
| CN104062127B (en) | Load simulator and load simulated method | |
| CN205483214U (en) | Batch weigher resets and puts | |
| CN207809918U (en) | A kind of quality bagging equipments such as wheat | |
| CN206750189U (en) | A kind of resin agitating Weighing loader | |
| CN204855306U (en) | Even matter nature of concrete and continuity test device that flows | |
| CN105651550B (en) | Sampler with pressure | |
| CN104779036A (en) | Vertical outer-oil metal corrugated oil conservator suitable for transportation and transport method thereof | |
| CN108872027A (en) | It is a kind of it is efficient realize build-up of particles densification gas rush equipment | |
| CN108225896B (en) | Cast-in-place continuous beam No. 0 segment bracket static load preloading testing device and testing method | |
| CN206656948U (en) | A kind of device of the latent erosion of temperature control lab simulation karst | |
| CN203616899U (en) | Movable training device | |
| CN206378400U (en) | A kind of test device for being used to evaluate ceramsite propping agent flow conductivity | |
| CN212275523U (en) | Thick oil well sand control effect evaluation testing arrangement | |
| CN205348241U (en) | Vertical resistance to compression static load detection device of single pile | |
| CN207937045U (en) | Solid powder production packing automatic weighing device | |
| CN206601326U (en) | A kind of device of the latent erosion of lab simulation karst | |
| CN202947889U (en) | Water tank type trial mass of bridge type crane static test | |
| CN208829091U (en) | A kind of counterweight device | |
| DE4200240A1 (en) | Loose material filling assembly - has a container in a weighing housing with suction to draw in material and weighing in steps to control material volume |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170315 Termination date: 20200521 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |