CN202453064U - Eccentric load tester for containers - Google Patents
Eccentric load tester for containers Download PDFInfo
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- CN202453064U CN202453064U CN2012200453811U CN201220045381U CN202453064U CN 202453064 U CN202453064 U CN 202453064U CN 2012200453811 U CN2012200453811 U CN 2012200453811U CN 201220045381 U CN201220045381 U CN 201220045381U CN 202453064 U CN202453064 U CN 202453064U
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- lifting
- unbalance loading
- loading tester
- container
- oil
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Abstract
The utility model relates to the field of testing tools, in particular to an eccentric load tester for containers. The eccentric load tester for containers is characterized by comprising a lifting rack, a lifting leg, lifting device, a pressure sensor and a data acquisition system. The lifting leg and a cylinder block of the lifting device are fixed on the lifting rack. The end of a piston of the lifting device is supported on a support plate. The data acquisition system is connected with a pressure system of the lifting device through the pressure sensor. The eccentric load tester for containers has the advantage that the eccentric load tester operable by one to two persons is convenient to move, is applicable to railway container handling sites and scattered container loading sites, has the functions of automatic testing, data processing, automatic operating and good man-machine interaction.
Description
Technical field
The utility model relates to the survey instrument field, especially a kind of unbalance loading tester that is used for container.
Background technology
Encased conveying can guarantee cargo transportation security owing to having, and simplifies goods packing, improves operating efficiency, is convenient to multimodal transport, realizes door-to-door transport, is convenient to realize many superiority such as management modernization, thereby in transportation by railroad, occupies increasing proportion.But the ultra unbalance loading problem of container is commonplace, has a strong impact on safety of railway transportation.Some owner of cargo deliberates many dresses for making profit, the goods out-of-shape that has is difficult to equilibrium and packs into the container, and the weight container is contained in mismatch on the same lorry, and these all will cause the ultra unbalance loading of container carrier.Because what container was carried out is the transportation of door-to-door, the owner of cargo installs the loaded van Shi Douyi that enters the station and executes envelope voluntarily outside the station, and transportation by railroad department can not arbitrarily open inspection.And when hanging and hanging discharge, generally do not use electronic hanger to claim on the container spreader yet.Therefore, the overload of container itself is handled the station and just is difficult to find.The unbalance loading situation of container itself only has the large-scale device for measuring force that can survey four jiaos of gravity to measure on indivedual harbours, does not also have blanket detecting instrument at present.
The utility model content
The purpose of the utility model is the weak point according to above-mentioned prior art; A kind of unbalance loading tester that is used for container is provided; This unbalance loading tester is provided with lifting mechanism, accomplishes the mensuration to the container unbalance loading according to the numerical value that set pressure transducer collects.
The realization of the utility model is accomplished by following technical scheme:
A kind of unbalance loading tester that is used for container; It is characterized in that: said unbalance loading tester comprises lifting support, lifting pin, lifting device; And pressure transducer and data acquisition system (DAS); The cylinder body of wherein said lifting pin and said lifting device is fixed on the lifting support, and the pistons end of said lifting device is supported in a back up pad, and said data acquisition system (DAS) is connected with the pressure system of said lifting device through said pressure transducer.
Described lifting device comprises lifting piston, elevating ram, and said lifting piston is positioned at elevating ram inside, and said lifting piston supports is on said back up pad.
Described unbalance loading tester is provided with forced oil device; Said forced oil device comprises hand bar, plunger, ram pump oil cylinder, hydraulic reservoir; It is inner that said plunger is positioned at said ram pump oil cylinder; Said hand bar connects plunger, and said ram pump oil cylinder is communicated with said hydraulic reservoir, and said forced oil device is pressed in the said elevating ram through the oil pipe hydraulic oil that hydraulic reservoir is inner.
Described frame bottom is provided with a back up pad, and said back up pad is heightened screw rod through one and is fixedly connected with said lifting piston, and the said screw rod of heightening is fixedly connected with said lifting piston.
Be connected with a lifting pin on one side of described unbalance loading tester, the base angle part pore structure of said lifting pin and container is complementary, and can make its mutual clamping.
The oil circuit that described elevating ram, hydraulic reservoir, ram pump oil cylinder three are communicated with is provided with the oil return valve of control connected state and into and out of fuel tap.
One side of described unbalance loading tester is provided with the leveling bolt, and said leveling bolt is threaded with said lifting support.
Described data acquisition system (DAS) is made up of single-chip microcomputer, digital display screen, guidance panel, and said Single-chip Controlling connects said digital display screen and guidance panel, and said Single-chip Controlling connects said pressure transducer.
The utility model has the advantages that: by 1 to 2 people operation, can move easily, can be used for the container handling goods yard of railway, also can be used for scattered container loading place.
Has self-test function: comprise automatic zero set (AZS), functions such as automatic fault and thermodynamic state verification, calibration automatically, automatic diagnosis and the automatic conversion of range.The unbalance loading tester is when start and use, and microprocessor can be tested critical piece automatically, detects the reason of out of order position even fault, and in time takes safeguard measure automatically, is very easy to the maintenance of instrument.
Have data processing function: this is one of major advantage of unbalance loading tester.Intelligence instrument has been owing to adopted single-chip microcomputer or microprocessor, has the calculated set functions such as center of gravity under the various stress conditions, unbalance loading, off-centre, gross weight of casing.
Have the operation automation function: collection, transmission and the processing of the keyboard detection in the whole measuring process of instrument, measurement range selection, switch activated closure, data and demonstration etc., all come control operation with microprocessor, realize whole robotizations of measuring process.
Have friendly man-machine conversation function: intelligence instrument uses a civilian display screen among simple key board and the LCD in time to inform operating personnel with the ruuning situation of instrument, duty and to the result of measurement data, makes the more convenient to operate directly perceived of instrument.
Description of drawings
Fig. 1 is the utility model front view;
Fig. 2 is the utility model right view;
Fig. 3 is the utility model vertical view;
Fig. 4 is the utility model electronic-circuit diagram;
Fig. 5 is the utility model digital display screen synoptic diagram;
Fig. 6 is container angle number and X, Y coordinate definition figure.
Embodiment
Through embodiment the utility model characteristic and other correlated characteristic are done further explain below in conjunction with accompanying drawing, so that technician's of the same trade understanding:
Shown in Fig. 1-6, mark 1-26 is respectively among the figure: lifting support 1, hydraulic reservoir 2, connecting rod 3, oil return valve 4, oil filler plug screw 5, hydraulic oil case lid 6, latch 7, plunger 8, ram pump oil cylinder 9, hand bar 10, electronic box 11, oil pipe 12, leveling bolt 13, lifting piston 14, heighten screw rod 15, back up pad 16, spiro pluging hole 17, far preserve key 18, closely preserve key 19, query key 20, display screen 21, pressure transducer 22, lifting underfooting side semi-cylindrical 23, lifting pin 24, lifting pin upper semi-circle cylinder 25, elevating ram 26.
Embodiment: the utility model structure is shown in Fig. 1-3.The inside of lifting support 1 is provided with elevating ram 26, and lifting piston 14 is housed in the oil cylinder.Heighten screw rod 15 and pass through the screw thread spinning on lifting piston 14, the lower end withstands on the support plate 16.One side of lifting support 1 has lifting pin 24; Lifting pin 24 inserts in the part hole, base angle of container end face; The upper semi-circle cylinder 25 of lifting pin 24 withstands the upper semi-circle cylinder of container feet spare end-face hole, and the outer arc face that the downside semi-cylindrical 23 of lifting pin 24 catches on container feet spare bottom hole forms clamping.When in elevating ram 26, pressing oil, lifting piston 14 stretches out downwards, and lifting support 1 upwards lifts, and lifts an angle of container through the power transmission of upper semi-circle cylinder 25.The effect of downside semi-cylindrical 23 is to prevent that lifting pin 24 from extracting from the part hole, base angle of container.Support plate 16 can enlarge the bearing area on ground, damages by pressure in order to avoid be raised screw rod 15.When lifting pin 24 inserts the part hole, base angle of container or from part hole, base angle, extracts, must remove support plate 16, otherwise can't carry out.Two leveling bolt 13 usefulness screw threads are screwed in the threaded hole of lifting support 1, and front end withstands on the lateral surface of corner fittings under the container.Twist leveling bolt 13 and can change the direction of oil cylinder and piston axis, make it vertically and not to tilt.Axis tilt will influence the dynamometry precision.The maximum overhang 28mm of lifting piston 14, lifting that Here it is a large amount the most on a large scale once.When needs are lifted highlyer, can be under container feet spare the choker block plate, the indentation piston screws out and heightens screw rod 15 or bed hedgehopping support plate 16, repress oil lifting then.
Four thru-bolts of hydraulic reservoir 2 usefulness are fastened on the end face of lifting support 1, and oil pipe 12 connects the oil duct of hydraulic reservoir 2 and lifting support 1, can the oil that hydraulic pump extrudes be led to 26 li of elevating rams.Be weight reduction, present embodiment adopts Superhigh Pressure Hydraulic System, and top pressure reaches 50MPa.Therefore, hydraulic oil pump can only be selected ram pump for use, the oil cylinder 9 of ram pump through screw thread be tightened on hydraulic reservoir 2 above.Press hand bar 10 up and down plunger 8 is slided up and down in oil cylinder 9, again through the automatic shutter effect into and out of fuel tap, the hydraulic oil in the hydraulic reservoir 2 just is pressed towards elevating ram 26.Connecting rod 3 is that four-bar mechanism realizes pressing the oil motion necessary with latch 7, can be so that the vertical motion of hand bar 10 is delivered on the plunger 8.Oil return valve 4 is housed on the hydraulic circuit, must tightens oil return valve 4 before the lifting.Unscrew oil return valve 4 and will make the hydraulic oil in the elevating ram 26 flow back to hydraulic reservoir 2, upborne container will fall back to ground for one jiao this moment.
The pressure transducer 22 of present embodiment is erect the upper surface that is installed in lifting support 1, is positioned at the groove of hydraulic reservoir 2, both takes up space less, can avoid collision again.Pressure transducer 22 has oil duct to lead to elevating ram 26, and the direct value of measurement is the oil pressure in the elevating ram 26.The signal transmssion line of pressure transducer 22 leads in the electronic box 11.Four screws of electronic box 11 usefulness are fastened on the side of hydraulic reservoir 2, easy accessibility.Electronic circuit board and accumulator are arranged in the electronic box 11, and end face has display screen 21, and right flank has the spiro pluging hole 17 of demarcation.Far preserve key 18, closely preserve the end face that key 19 and query key 20 are positioned at hydraulic oil case lid 6, through electric wire operation information is transferred in the electronic box 11 respectively.Lifting support 1 upper surface also is provided with oil filler bolt 5, turns on oil filler bolt 5 hydraulic reservoir 2 inner oilings in the past.
The electronic circuit of present embodiment comprises that electronics casing, LCD LCD, 12V lithium battery, cpu pcb, button etc. partly form.Wherein cpu pcb comprises that circuit such as DC-DC power module, 14 high precision double integration type AD devices, constant pressure source, EEPROM and power supply detections, keyboard interface constitute.Its modular construction is as shown in Figure 4, and number sub-screen display message is as shown in Figure 5.
Present embodiment is in the specific implementation: at first should carry out preliminary work according to following steps:
A) turn on the power switch, voltage should not be lower than 11V on the display screen, and unloaded measured value should be not more than 0.05t.Preheating 5min reaches normally show state.
B) inspection hydraulic reservoir oil mass should be lower than fuel tank cap lower surface 10-20mm, and Tai Gaotai is low all possibly to influence the lifting function.
C) inspection hydraulic oil pipe joint, elevating ram 26, oil hand pump, fuel tank cap, oil filler plug screw 5 etc. have or not oil leakage phenomenon, must get rid of like leakage of oil.
D) measure at the scene before, confirm the sequence number at 4 angles of container earlier by the sequence of measurement shown in Figure 6, promptly the base angle in left side, gate is No. 1, the base angle on right side, gate is No. 2, counterclockwise forwards to No. 3, No. 4.The mensuration process must be since 1 bugle, by number carrying out, finishes to No. 4.Not right like order, instrument possibly calculate error result.
, as above preliminary work can begin the unbalance loading situation of container is measured after all accomplishing smoothly:
A) before act is surveyed, should twist and withdraw from leveling bolt 13, make it extension and do not exceed lifting frame.Screw rod 15 is heightened in adjusting, makes it to be fully retracted the lifting piston.Unscrew oil return valve, the piston that will stretch out is pressed into elevating ram 26 fully, and then tightens oil return valve.
B) the lifting pin is inserted in the container end face sidewise hole, and make the lifting pin hook bottom outlet, support plate is inserted heighten below the screw rod again.
C) coordinate to twist two leveling bolts and heighten screw rod, make two leveling bolts withstand container feet spare lateral surface, heighten screw rod and withstand support plate, make elevating ram 26 and lifting piston 14 axis be positioned at vertical direction simultaneously.The inclination of oil cylinder and piston axis will influence measured value.
D) press hand bar 10 up and down, plunger is slided up and down in the ram pump oil cylinder, the hydraulic oil in the fuel tank just is pressed towards elevating ram 26, and the lifting piston 14 in the elevating ram 26 stretches out downwards gradually.Because heightening screw rod 15 withstands on the support plate, elevating ram 26 receives ground reaction force and rises, and this angle of container is slowly lifted.
E) should notice that when lifting whether adjacent two base angles (angle on the diagonal line at non-lifting angle) of observing container have angle built on stilts, can sweep away check with foil.If any adjacent angular built on stilts, stop lifting.It should be noted that the operator depression bar of in a lifting process, answering stable and continuous, can read the angle tuple certificate that LCD display demonstrates current measurement at any time.
F) stop after the lifting behind about 8-10s, the LCD display of container unbalance loading tester can show the measurement data of flicker, representes that this is measured to finish.At this moment, the operator must operate as the case may be.If near-end adjacent angular (about 2.5m is far away) is liftoff, then press " the near preservation " key on the container unbalance loading tester.If far-end adjacent angular (about 6m is far away) is liftoff, then press " the far away preservation " key on the container unbalance loading tester.After the preservation, number increase by 1 automatically of LCD display wheel, expression can be measured the next angle of container.
G) unscrew oil return valve 4, one jiao in upborne container falls earthward in the deadweight effect next time, and the hydraulic oil in this moment elevating ram 26 flow back to hydraulic reservoir automatically.Twist two leveling bolts 13 and heighten screw rod 15, make their withdrawals, extract support plate 16 out, from corner fittings, extract container unbalance loading tester then.
H) the maximum overhang of lifting piston 14 is not less than 28mm, lifting that Here it is a large amount the most on a large scale once.Situation is lifted height mostly just has some adjacent angular liftoff less than 28mm, but also the neither one adjacent angular is liftoff after sometimes lifting high 28mm.The neither one adjacent angular is liftoff, with regard to the heavy data in indeterminacy angle.Run into this situation, can under the corner fittings that container has lifted, fill in backing plate earlier, unscrew oil return valve 4 then, propelling piston screws out and heightens screw rod or bed hedgehopping support plate, tightens oil return valve 4 again, continues to press the lifting of hand bar, till having an adjacent angular liftoff.
I), be that the next angle of order sequentially determining is heavy by counter clockwise direction by above-mentioned steps.
J) container unbalance loading tester has automatic computing function, measure successively all 4 angles heavy after, lay particular stress on Y, left and right sides unbalance loading X before and after just can calculating the gross weight W, center of gravity of container.Should notice that X, Y are negative value sometimes, tuple word front, angle has "-" number, and the expression center of gravity is below container geometric center shown in Figure 6 and left.It is exactly "+" that tuple word front, angle does not have symbol, the expression center of gravity above container geometric center shown in Figure 6 with right-hand.
The method of application of the query function that present embodiment has:
A) have to be noted that measurement data that instrument only preserves last container is for inquiry.If the user does not use query function, after next container began to measure, instrument can be removed the measurement result of a last container automatically.After the instrument outage, do not preserve former measurement result yet.Therefore, behind the intact container of the every survey of user, inquire about at once and copy and deposit the data of surveying, in order to avoid lose.
B) after per 4 angle remeasurements finish, can be with the gross weight W that carries out container, the inquiry that information such as Y, left and right sides unbalance loading X are laid particular stress in the center of gravity front and back.
C) when inquiry, display screen front numeral be the angle number (display text " wheel number " at present) of container, since No. 1, and whenever by " inquiry " button once, angle of the automatic increase of instrument meeting number.
D) press inquiry button one by one, information such as the unbalance loading tester will show the last 4 angle weights, the gross weight of measuring successively, lays particular stress on, unbalance loading.By " inquiry " button.
Present embodiment has the automation change function; That is: earlier the unbalance loading tester is placed on the smooth ground, forbids loading any weight on the unbalance loading tester, before turning on the power switch; Press " inquiry " button of unbalance loading tester earlier and do not loose one's grip, turn on the power switch again.After turning on the power switch, can unclamp " inquiry " button, then LCD display can show 10,9,8 of inverse ... 2,1,0.Behind reciprocal the end, then system accomplishes automatic zero-bit processing, shows " 0000 " value, and gets into normal operating condition.In order to prevent the drift at zero point in the testing process, require to open unbalance loading tester power supply earlier, preheating 30 minutes lets the metering circuit system get into the operation of suffering from one's own actions zero point behind the thermal steady state again.
In sum, through trial-production, on probation, improvement, supporting, successfully made container unbalance loading tester.In container freight station process on probation, button input, measured value store automatically, calculate automatically, liquid crystal display shows that all functions are normal.The gross weight W of actual measurement gained, deviation of gravity center amount X, Y error are less than 2%.Through lifting fail-test repeatedly, jacking capacity does not descend, and elevating ram 26, ram pump, tubing sub etc. are all oil-proof.
Claims (8)
1. unbalance loading tester that is used for container; It is characterized in that: said unbalance loading tester comprises lifting support, lifting pin, lifting device; And pressure transducer and data acquisition system (DAS); The cylinder body of wherein said lifting pin and said lifting device is fixed on the lifting support, and the pistons end of said lifting device is supported in a back up pad, and said data acquisition system (DAS) is connected with the pressure system of said lifting device through said pressure transducer.
2. a kind of unbalance loading tester that is used for container according to claim 1, it is characterized in that: described lifting device comprises lifting piston, elevating ram, and said lifting piston is positioned at elevating ram inside, and said lifting piston supports is on said back up pad.
3. a kind of unbalance loading tester that is used for container according to claim 2; It is characterized in that: described unbalance loading tester is provided with forced oil device; Said forced oil device comprises hand bar, plunger, ram pump oil cylinder, hydraulic reservoir, and it is inner that said plunger is positioned at said ram pump oil cylinder, and said hand bar connects plunger; Said ram pump oil cylinder is communicated with said hydraulic reservoir, and said forced oil device is pressed in the said elevating ram through the oil pipe hydraulic oil that hydraulic reservoir is inner.
4. a kind of unbalance loading tester that is used for container according to claim 1; It is characterized in that: described frame bottom is provided with a back up pad; Said back up pad is heightened screw rod through one and is fixedly connected with said lifting piston, and the said screw rod of heightening is fixedly connected with said lifting piston.
5. a kind of unbalance loading tester that is used for container according to claim 1 is characterized in that: be connected with a lifting pin on the side of described unbalance loading tester, the base angle part pore structure of said lifting pin and container is complementary, and can make its mutual clamping.
6. a kind of unbalance loading tester that is used for container according to claim 2 is characterized in that: the oil circuit that described elevating ram, hydraulic reservoir, ram pump oil cylinder three are communicated with is provided with the oil return valve of control connected state and into and out of fuel tap.
7. a kind of unbalance loading tester that is used for container according to claim 1, it is characterized in that: a side of described unbalance loading tester is provided with the leveling bolt, and said leveling bolt is threaded with said lifting support.
8. a kind of unbalance loading tester that is used for container according to claim 1; It is characterized in that: described data acquisition system (DAS) is made up of single-chip microcomputer, digital display screen, guidance panel; Said Single-chip Controlling connects said digital display screen and guidance panel, and said Single-chip Controlling connects said pressure transducer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200453811U CN202453064U (en) | 2012-02-13 | 2012-02-13 | Eccentric load tester for containers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200453811U CN202453064U (en) | 2012-02-13 | 2012-02-13 | Eccentric load tester for containers |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202453064U true CN202453064U (en) | 2012-09-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200453811U Expired - Lifetime CN202453064U (en) | 2012-02-13 | 2012-02-13 | Eccentric load tester for containers |
Country Status (1)
| Country | Link |
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| CN (1) | CN202453064U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111928931A (en) * | 2020-06-22 | 2020-11-13 | 赛摩智能科技集团股份有限公司 | Container weighing system and loading weighing monitoring method |
-
2012
- 2012-02-13 CN CN2012200453811U patent/CN202453064U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111928931A (en) * | 2020-06-22 | 2020-11-13 | 赛摩智能科技集团股份有限公司 | Container weighing system and loading weighing monitoring method |
| CN111928931B (en) * | 2020-06-22 | 2022-03-08 | 赛摩智能科技集团股份有限公司 | Container weighing system and loading weighing monitoring method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: No. 251 Tianmu East Road, Jingan District, Shanghai Patentee after: Institute of science and technology of China Railway Shanghai Bureau Group Co., Ltd. Address before: No. 251 Tianmu East Road, Zhabei District, Shanghai Patentee before: Science & Technology Inst., Shanghai Railway Bureau |
|
| CP03 | Change of name, title or address | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120926 |
|
| CX01 | Expiry of patent term |