CN202511868U - Calibration device for unbalanced loading tester - Google Patents
Calibration device for unbalanced loading tester Download PDFInfo
- Publication number
- CN202511868U CN202511868U CN2012200453826U CN201220045382U CN202511868U CN 202511868 U CN202511868 U CN 202511868U CN 2012200453826 U CN2012200453826 U CN 2012200453826U CN 201220045382 U CN201220045382 U CN 201220045382U CN 202511868 U CN202511868 U CN 202511868U
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- CN
- China
- Prior art keywords
- force transmission
- loading tester
- unbalance loading
- transmission rack
- sill
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Abstract
The utility model relates to the field of measuring tool, in particular to a calibration device for an unbalanced loading tester. The calibration device is characterized in that: the calibration device is provided with a force transmission frame; the force transmission frame is fixedly connected with a force bearing frame through a force transmission frame supporting plate; the force transmission frame is provided with a connecting hole; a fixed connection is formed by clamping the unbalanced loading tester and the connecting hole of the force transmission frame through a lifting foot; the force transmission frame is fixedly connected with a sensor of a standard dynamometer; and the unbalanced loading tester is contacted with the standard dynamometer sensor through the force transmission frame. The calibration device of the utility model has the advantages as follows: the lifting force of the container unbalanced loading tester is measured by using the force sensor and the standard dynamometer; the design of the force transmission mechanism is reasonable; the accuracy of measurement is high; and the requirements for calibrating and testing the container unbalanced loading tester can be satisfied. The integral machine structure of the calibration device for the unbalanced loading tester is simple, the weight is light; and the calibration device is convenient to move, and can be placed on a desktop or on the ground for operation.
Description
Technical field
The utility model relates to the survey instrument field, especially a kind of school checking device that is used for the unbalance loading tester.
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, seriously should ring safety of railway transportation.The ultra unbalance loading of container does not also have blanket detecting instrument at present.Container unbalance loading tester is a kind of portable instrumentation that detects 20 feet ultra unbalance loadings of universal container that is specifically designed to, and structure is special, on existing detecting instrument, can't carry out complete machine and detect.As take the back apart and detect, not only trouble the more important thing is the equivalence that influence detects, it is big to detect the error school.
The utility model content
The purpose of the utility model is the weak point according to above-mentioned prior art; A kind of school checking device that is used for the unbalance loading tester is provided; This school checking device is provided with the force transmission rack of band connecting hole; Can unbalance loading tester complete machine be carried on the checking device of school, be delivered on the standard dynamometer, realize the detection examination of accurate unbalance loading tester complete machine school through the lifting force of force transmission rack with the unbalance loading tester.
The realization of the utility model is accomplished by following technical scheme:
A kind of school checking device that is used for the unbalance loading tester; The school seizure test that relates to the unbalance loading tester; Wherein said container test unbalance loading tester comprises lifting support, lifting pin, lifting device, and pressure transducer and data acquisition system (DAS), also comprises load-bearing frame, standard dynamometer and sensor thereof in addition; It is characterized in that: described school checking device is provided with force transmission rack; Said force transmission rack is affixed through force transmission rack supporting plate and load-bearing frame, and described force transmission rack is provided with connecting hole, and said unbalance loading tester forms a fixed connection through the mutual clamping of the connecting hole of lifting pin and said force transmission rack; Said force transmission rack is fixedly connected with said standard dynamometer sensor, and said unbalance loading tester contacts with said standard dynamometer sensor through force transmission rack.
Described load-bearing frame is the doorframe network structure, is made up of entablature, sill and column, and said column runs through entablature and sill respectively, and fixes through nut, and said sill is fixedly connected with force transmission rack.
Said sill is provided with spherical guide, and said spherical guide comprises guide pillar, ball slide unit, and the guide pillar of said force transmission rack and spherical guide is slidingly connected, and said ball slide unit is fixed by bolts on the sill through the force transmission rack supporting plate.
Described load-bearing frame below is provided with at least two support foots that are on the same surface level, and said each feet contains two supporting-points at least.
The top of described sill is provided with a backing plate, and said unbalance loading tester is placed on the backing plate.
The section structure of described entablature and sill is an I-shape construction.
The utility model has the advantages that: adopt force cell and standard dynamometer to measure the lifting force of container unbalance loading tester, its force transmission mechanism is reasonable in design, and accuracy of measurement is high, can satisfy the requirement of demarcation and inspection set vanning unbalance loading tester.Unbalance loading tester calibration device complete machine structure is simple, and is in light weight, is convenient to move, and can be placed on the enterprising line operate on the desktop or ground.
Description of drawings
Fig. 1 is the utility model front view;
Fig. 2 is the utility model left view.
Fig. 3 is the utility model standard dynamometer electricity theory diagram.
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. 1-3, mark 1-16 is respectively among the figure: load-bearing frame 1, entablature 2, nut 3, force cell 4, column 5, backing plate 6, sill 7, cable 8, force transmission rack 9, spherical guide 10, force transmission rack supporting plate 11, support foot 12, unbalance loading tester 13, slotted hole 14, bolt 15, bolt 16.
Embodiment: like Fig. 1, shown in 2, load-bearing frame 1 is made up of entablature 2, sill 7, two root posts 5, and two root posts 5 run through entablature 2 and sill 7 respectively, and fastening respectively with four nuts 3, forms the doorframe network structure.More stable when present embodiment is stood, two support foots 12 are equipped with in load-bearing frame 1 bottom, and each support foot 12 contains two supporting-points, makes present embodiment be in the four-point supporting state.Be fixed with backing plate 6 and force transmission rack supporting plate 11 on the sill 7.Force transmission rack 9 is placed on sill 7 and the force transmission rack supporting plate 11, is fastened with force cell 4 above the force transmission rack 9, and force cell 4 is connected on the standard dynamometer through cable 8.Force transmission rack 9 Lower Half structures are provided with two slotted holes 14, so that the lifting pin of unbalance loading tester 13 inserts and catch on the formation clamping, wherein unbalance loading tester 13 generally is meant the unbalance loading tester that is used for the test of container unbalance loading.Present embodiment also is provided with a spherical guide 10, spherical guide 10 comprises guide pillar and ball slide unit; Force transmission rack 9 is through on the guide pillar of bolt 16 fastening spherical guides 10, and the ball slide unit is fastening through bolt 15 and force transmission rack supporting plate 11, makes force transmission rack 9 on spherical guide 10, can carry out slippage up and down; Prevented the crooked and skew when force transmission rack 9 goes up and down effectively; Guarantee accuracy in detection, avoided the human factor influence, also improved work efficiency.
Present embodiment is in the specific implementation: consider force cell 4 stressed position and direction should with its dead in line, the deviation of position and direction will cause test error; Simultaneously the axis of force cell 4 should with the axis designs of tested unbalance loading tester 13 elevating rams on same straight line, the error that the axis of avoiding lifting force to depart from force cell 4 causes.For this reason, about the Frame Design of present embodiment becomes and front and back are the doorframe network structure of symmetry all, and a central axis of symmetry is arranged, and the axis of force cell 4 is overlapped with central axis of symmetry.For preventing to be shifted in the use, force cell 4 is fixed on force transmission rack 9 end faces central authorities securely with bolt.
The Lower Half structure of force transmission rack 9 is similar with container feet spare, and two slotted holes 14 are arranged, so that the lifting pin of unbalance loading tester 13 inserts and catch on the formation clamping.The first half of force transmission rack 9 is designed to L shaped, and force cell 4 is installed on the top, and interior recess just in time holds unbalance loading tester 13.Force transmission rack 9 first half column design become I-shaped section, and bending part adopts the long radius transition arc, has alleviated weight.During force transmission rack 9 liftings, lower support reaches the micro-crooked of front and back about force transmission rack 9 possibly produce on the face of cylinder on the unbalance loading tester 13 lifting pin, the lifting force active line is not overlapped with force cell 4 axis, and the measured value error increases., force transmission rack 9 usefulness bolts 16 are fixed on the guide pillar of spherical guide 10, the ball slide unit is fixed by bolts on the sill through force transmission rack supporting plate 15 for this reason, and is not crooked when having guaranteed accurate location and the lifting of force cell 4.
Load-bearing frame 1 is designed to the two pillar constructions of twin beams, also is designed to the beam of uniform strength, simplifies the structure to greatest extent, has alleviated weight, has reduced manufacturing cost.Stability when standing for improving load-bearing frame 1, two support foots 12 are arranged at the bottom, are in the four-point supporting state.In order to alleviate the weight of load-bearing frame 1 as far as possible, entablature 2 adopts H-shape cross section with sill 7, and presses the principle of equal strength and calculate depth of section, makes entablature 2 and sill 7 under the prerequisite that reaches intensity, rigidity requirement, and weight reaches the lightest.
Standard dynamometer electricity principle is as shown in Figure 3, is provided with temperature compensating element in it, causes the error that temperature rise brings to reduce variation of ambient temperature and electric current.Temperature compensation range-10 ℃-40 ℃.The zero temperature drift of pressure transducer is not more than ± 0.018%F.S./10 ℃, and the drift of sensitivity temperature is not more than ± 0.014%F.S./10 ℃.The composition error of force cell 4 is not more than ± 0.020%F.S..Selected standard dynamometer accuracy of measurement 0.005%F.S. has 4-7 sections piecewise linearity grooming functions.Force cell 4 is not more than with the total error that standard dynamometer connects together ± and 0.1%.
The measurement range of present embodiment, technical feature and suitable environment:
1, measurement range
A) measurement range :≤18t (maximum is allowed 20t)
B) planning standard dynamometry Instrument specification: 200kN.
2, technical feature
A) planning standard dynamometer accuracy: 0.005%F.S.
B) force cell accuracy: 0.1 grade
C) gross mass :≤100kg
D) data output: the liquid crystal display numeral shows
E) supply voltage: single-phase 220V
3, suitable environment
A) environment temperature: (20 ± 5) ℃
B) relative air humidity :≤80%
C) friction, impact, electromagnetic field and other interference sources
The method of operating of present embodiment is following:
1, removes backing plate 6 earlier; The lifting pin of unbalance loading tester 13 is inserted in the slotted hole 14 of force transmission rack 9 fronts of present embodiment; And catch on the slotted hole of bottom surface; Present embodiment was placed on and must sets level on desktop or the ground surely this moment, and the axis of dynamometer sensor 4 is in vertical position, and must not rock.
2, pad advances backing plate 6 then, makes the screw rod of heightening of unbalance loading tester 13 withstand backing plate 6, and two linkage levelling screws withstand the front portion of present embodiment simultaneously, and the oil cylinder axis of unbalance loading tester 13 and the axis of force cell 4 are coincided.
3, after adjustment is accomplished, tighten the oil return valve of unbalance loading tester 13, with hand bar pump oil, force transmission rack 9 is picked up, force cell 4 is stressed.At this moment, the display screen of standard dynamometer show stressed numerical value, the display screen of unbalance loading tester 13 shows the numerical value of its lifting force simultaneously.According to stress balance, the power that standard dynamometer showed adds that the gravity of force transmission rack assembly movable part should equal the lifting force that unbalance loading tester 13 shows.As unequal, its difference is exactly the measuring error of unbalance loading tester 13.Just can check and demarcate adjustment unbalance loading tester 13 according to the measuring error of unbalance loading tester 13 lifting force values.
In sum, the slotted hole 14 that is provided with of the force transmission rack through present embodiment 9 is accomplished system test with unbalance loading tester 13 simple overlap joints.Accuracy in detection has been guaranteed in crooked and skew when relying on the spherical guide 10 of present embodiment setting can prevent effectively that force transmission rack 9 from going up and down in addition, has avoided the human factor influence, also increases work efficiency.
Claims (6)
1. school checking device that is used for the unbalance loading tester; The school seizure test that relates to the unbalance loading tester; Wherein said container test unbalance loading tester comprises lifting support, lifting pin, lifting device, and pressure transducer and data acquisition system (DAS), also comprises load-bearing frame, standard dynamometer and sensor thereof in addition; It is characterized in that: described school checking device is provided with force transmission rack; Said force transmission rack is affixed through force transmission rack supporting plate and load-bearing frame, and described force transmission rack is provided with connecting hole, and said unbalance loading tester forms a fixed connection through the mutual clamping of the connecting hole of lifting pin and said force transmission rack; Said force transmission rack is fixedly connected with said standard dynamometer sensor, and said unbalance loading tester contacts with said standard dynamometer sensor through force transmission rack.
2. a kind of school checking device that is used for the unbalance loading tester according to claim 1; It is characterized in that: described load-bearing frame is the doorframe network structure; Form by entablature, sill and column; Said column runs through entablature and sill respectively, and fixes through nut, and said sill is fixedly connected with force transmission rack.
3. a kind of school checking device that is used for the unbalance loading tester according to claim 1 and 2; It is characterized in that: said sill is provided with spherical guide; Said spherical guide comprises guide pillar, ball slide unit; The guide pillar of said force transmission rack and spherical guide is slidingly connected, and said ball slide unit is fixed by bolts on the sill through the force transmission rack supporting plate.
4. a kind of school checking device that is used for the unbalance loading tester according to claim 1 and 2 is characterized in that: described load-bearing frame below is provided with at least two support foots that are on the same surface level, and said each feet contains two supporting-points at least.
5. a kind of school checking device that is used for the unbalance loading tester according to claim 2, it is characterized in that: the top of described sill is provided with a backing plate, and said unbalance loading tester is placed on the backing plate.
6. a kind of school checking device that is used for the unbalance loading tester according to claim 2, it is characterized in that: the section structure of described entablature and sill is an I-shape construction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200453826U CN202511868U (en) | 2012-02-13 | 2012-02-13 | Calibration device for unbalanced loading tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200453826U CN202511868U (en) | 2012-02-13 | 2012-02-13 | Calibration device for unbalanced loading tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202511868U true CN202511868U (en) | 2012-10-31 |
Family
ID=47064347
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200453826U Expired - Lifetime CN202511868U (en) | 2012-02-13 | 2012-02-13 | Calibration device for unbalanced loading tester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202511868U (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 CN2012200453826U patent/CN202511868U/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 | ||
| 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 |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20121031 |