CN201909666U - Testing device for standard force of large weighing apparatus - Google Patents
Testing device for standard force of large weighing apparatus Download PDFInfo
- Publication number
- CN201909666U CN201909666U CN2010202686126U CN201020268612U CN201909666U CN 201909666 U CN201909666 U CN 201909666U CN 2010202686126 U CN2010202686126 U CN 2010202686126U CN 201020268612 U CN201020268612 U CN 201020268612U CN 201909666 U CN201909666 U CN 201909666U
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- pressure head
- transmission component
- leading screw
- weighing machine
- test device
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Abstract
The utility model relates to a testing device for standard force of large weighing apparatus. The testing device comprises a portal frame which can move horizontally on the sliding rails. The portal frame is provided at least a pressure head transmission component and a pressure head which is elastically connected with the lower part of the pressure head transmission component. A pressure transducer which is connected with the PC (Personal Computer) is installed between the pressure head transmission component and the pressure head. The testing device can directly transfer weight to the large to-be-demarcated weighing apparatus workpiece by the pressure head so as to realize the actions of loading, pressing angle and demarcating. When the pressure head is lifted from the large to-be-demarcated weighing apparatus workpiece and the status of unloading is achieved. The testing device saves time and labor and is convenient for operating. The testing device can adapt to workpieces of different sizes and specifications, and has a good applicability, high accuracy of control and high reliability of testing. Due to the elastic connection of the pressure head and the pressure head transmission component, the impact of the pressure head to the table board of the large weighing apparatus is reduced, the damage of the workpieces is reduced, the practical applicability is improved, the dependence of weights is reduced, and the cost of demarcating large weighing apparatus is reduced greatly.
Description
Technical field
The utility model relates to a kind of caliberating device of electronic scale, particularly a kind of large-scale weighing machine proof force loading test device.
Background technology
Electronic scale is to utilize the sensor measurement principle, it is that the elastic beam distortion of outside pressure by sensor made it to be attached to top foil gauge generation change in resistance, under the effect of driving voltage, the electric signal of the simulation that output is directly proportional with measured object is given the AD circuit, the simulating signal that the AD circuit is sent sensor here is modulated, amplification, filtering, sampling, integration, the digital signal of output stability and high efficiency, give central microprocessor (CPU), pass through display circuit by the working routine that CPU control is inner, demonstrate the measured object gravimetric value.
The demarcation of domestic large-scale electronic scale at present, adopt traditional artificial lifting counterweight to press the angle, the weighing that is used for the counterweight of large-scale weighing machine calibrating is generally 500 kilograms to 5 tons, generally be by adopting driving to carry out handling, ballast, zero load, counterweight lifting ballast process is bigger to impact, the wearing and tearing of electronic scale table top, and has big potential safety hazard in this process; In addition, requirement according to the national verification rules, required time of complete test one platform balance is often at 2-3 hour, waste time and energy, large-scale weighing machine is carried out timing signal, tonnage and quantitative requirement to the counterweight that manufacturer had are all higher, and counterweight is state compulsion calibrating product, and annual producer is also higher in the expense of this input.
The utility model content
The purpose of this utility model provides a kind of above-mentioned shortcoming that overcomes, and is time saving and energy saving, demarcate conveniently large-scale weighing machine proof force loading test device.
The technical scheme that realizes the utility model purpose is: a kind of large-scale weighing machine proof force loading test device, have can translation on slide rail portal frame, portal frame is provided with the pressure head that at least one pressure head transmission component and elasticity are connected pressure head transmission component bottom, is provided with the pressure transducer that is connected with the PC controller between pressure head transmission component and the pressure head.
The portal frame of above-mentioned large-scale weighing machine proof force loading test device is " n " shape support body, has two vertical beams and one across the horizontal beam between two vertical beam tops, described pressure head transmission component is arranged on the horizontal beam, and can regulate along the horizontal beam length direction and move.
The horizontal beam of above-mentioned large-scale weighing machine proof force loading test device is provided with 3 pressure head transmission components.
The two vertical beams bottom of above-mentioned large-scale weighing machine proof force loading test device is equipped with roller, and roller is arranged on the above-mentioned slide rail.
The slide rail of above-mentioned large-scale weighing machine proof force loading test device is an I-rail, the vertical beam bottom is provided with latch assembly, latch assembly has two and is rotatably connected on locking jaw on the vertical beam, is arranged on locking pushing block and back-moving spring that the above-below direction between the two locking jaws upper end slides and is provided with, and the locking pushing block is up big and down small wedge shape pushing block.
The pressure head transmission component of above-mentioned large-scale weighing machine proof force loading test device has drive motor, leading screw, following strutbeam and sliding beam, drive motor is connected with lead screw transmission, following strutbeam is connected with portal frame, sliding beam is arranged on down the strutbeam below, leading screw is rotatably connected on down on the strutbeam, and be threaded with sliding beam, the sliding beam lower end connects pressure transducer and pressure head.
The fixedly connected leading screw wheel in the leading screw top of above-mentioned large-scale weighing machine proof force loading test device, following strutbeam is provided with at least two guide pillars, and sliding beam is provided with the orienting sleeve that matches with guide pillar, and orienting sleeve is fixedlyed connected with sliding beam and is socketed on the corresponding guide pillar.
The drive motor of the pressure head transmission component of above-mentioned large-scale weighing machine proof force loading test device is a servomotor, described leading screw is a ball-screw, be provided with gear between drive motor and the leading screw wheel, all be with transmission between drive motor and gear, gear and the leading screw wheel by synchronous.
The utlity model has positive effect: (1) the utility model is in control portal frame and pressure head transmission component, weight or quality are imposed on the data transmission of pressure transducer by the standard weights sensor, on the large-scale weighing machine workpiece to be calibrated, thereby realize " loading ", " pressure angle " and " demarcation " action, when pressure head is lifted away from large-scale weighing machine workpiece to be calibrated, can realize " unloading " state, time saving and energy saving, efficient and convenient; (2) when the utility model adopts 3 pressure head transmission components, can load test simultaneously to three diverse locations of large-scale weighing machine workpiece to be calibrated, convenient, the pressure head transmission component can be regulated along the horizontal beam length direction and move simultaneously, can be applicable to the workpiece of different size model, applicability is higher; (3) pressure head transmission component of the present utility model adopts driven by servomotor, is with transmission synchronously, ball screw drives pressure head, control accurately, measure reliable, pressure head is connected with pressure head transmission component elasticity, both can reduce the impact of pressure head to the electronic scale table top again by the weight of standard LOAD CELLS control output, reduce the loss ratio of workpiece, have advantages of high practicability; (4) the utility model has been broken away from the dependence to counterweight and hoisting machine tool, has reduced the calibration cost of large-scale weighing machine significantly, improves the security of operation.
Description of drawings
Content of the present utility model is easier to be expressly understood in order to make, and according to specific embodiment also in conjunction with the accompanying drawings, the utility model is described in further detail, wherein below
Fig. 1 is the utility model structural representation;
Fig. 2 is Fig. 1 left view;
Fig. 3 is Fig. 1 vertical view;
Fig. 4 is the utility model pressure head transmission component part-structure synoptic diagram;
Fig. 5 is the utility model transmission synoptic diagram;
Fig. 6 is the utility model latch assembly locking state synoptic diagram;
Fig. 7 is the utility model latch assembly open mode synoptic diagram.
Label is in the accompanying drawing:
Embodiment
(embodiment 1)
See Fig. 1 to Fig. 3, the utlity model has slide rail 1 and be arranged on the slide rail 1 and the portal frame 2 that can move along slide rail 1 toward complex line, portal frame 2 is " n " shape support body, has two vertical beams 21 and one across the horizontal beam 22 between two vertical beams, 21 tops, two vertical beams, 21 bottoms are equipped with roller, roller is arranged on the above-mentioned slide rail 1, horizontal beam 22 is provided with 3 pressure head transmission components 3, each pressure head transmission component 3 can be regulated along horizontal beam 22 length directions and move, pressure head transmission component 3 bottom elasticity connect pressure heads 4, are provided with the pressure transducer 5 that is connected with the PC controller between pressure head transmission component 3 and the pressure head 4.
See Fig. 4 and Fig. 5, pressure head transmission component 3 has drive motor 31, gear 32, leading screw 33, leading screw wheel 34, following strutbeam 35 and sliding beam 37, drive motor 31 is a servomotor, leading screw 33 is a ball-screw, leading screw wheel 34 is fixedly connected on leading screw 33 tops, drive motor 31 and gear 32, between gear 32 and the leading screw wheel 34 all by being with 39 transmissions synchronously, following strutbeam 35 is connected with portal frame 2, sliding beam 37 is arranged on down strutbeam 35 belows, leading screw 33 passes down strutbeam 35 and is rotationally connected with following strutbeam 35, the leading screw wheel 34 on leading screw 33 tops is positioned at strutbeam 35 tops down, leading screw 33 bottoms are threaded with sliding beam 37, sliding beam 37 plays the effect of screw, following strutbeam 35 is provided with two guide pillars 36, sliding beam 37 is provided with the orienting sleeve 38 that matches with guide pillar 36, orienting sleeve 38 is fixedlyed connected with sliding beam 37 and slip cap is connected on the corresponding guide pillar 36, by cooperating of guide pillar 36 and orienting sleeve 38, when leading screw 33 rotates, the straight line that sliding beam 37 is done above-below direction moves, and sliding beam 37 lower ends connect pressure transducer 5 and pressure head 4.
See Fig. 6 and Fig. 7, slide rail 1 is an I-rail, vertical beam 21 bottoms are provided with latch assembly 6, latch assembly 6 has two and is rotatably connected on locking jaw 61 on the vertical beam 21, is arranged on locking pushing block 62 and back-moving spring 63 that the above-below direction between two locking jaws, 61 upper ends slides and is provided with, and locking pushing block 62 is up big and down small wedge shape pushing block; In calibration process, when pressing down, pressure head 4 can a repulsion power that make progress be arranged to portal frame 2, therefore when pressure head 4 presses down, locking pushing block 62 moves down, two locking jaws, 61 upper ends are strutted, rotate around pin joint two locking jaws, 61 lower ends, holds I-shaped slide rail 1 tightly, and portal frame 2 is locked on the slide rail 1.
Above-described specific embodiment; the purpose of this utility model, technical scheme and beneficial effect are further described; institute is understood that; the above only is a specific embodiment of the utility model; be not limited to the utility model; all within spirit of the present utility model and principle, any modification of being made, be equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.
Claims (8)
1. large-scale weighing machine proof force loading test device, it is characterized in that, have and to go up the portal frame (2) of translation at slide rail (1), portal frame (2) is provided with the pressure head (4) that at least one pressure head transmission component (3) and elasticity are connected pressure head transmission component (3) bottom, is provided with the pressure transducer (5) that is connected with the PC controller between pressure head transmission component (3) and the pressure head (4).
2. large-scale weighing machine proof force loading test device according to claim 1, it is characterized in that: described portal frame (2) is " n " shape support body, has two vertical beams (21) and one across the horizontal beam (22) between two vertical beams (21) top, described pressure head transmission component (3) is arranged on the horizontal beam (22), and can regulate along horizontal beam (22) length direction and move.
3. large-scale weighing machine proof force loading test device according to claim 2 is characterized in that: described horizontal beam (22) is provided with 3 pressure head transmission components (3).
4. large-scale weighing machine proof force loading test device according to claim 2 is characterized in that: described two vertical beams (21) bottom is equipped with roller, and roller is arranged on the above-mentioned slide rail (1).
5. large-scale weighing machine proof force loading test device according to claim 4, it is characterized in that: described slide rail (1) is an I-rail, vertical beam (21) bottom is provided with latch assembly (6), latch assembly (6) has two and is rotatably connected on locking jaw (61) on the vertical beam (21), is arranged on locking pushing block (62) and back-moving spring (63) that the above-below direction between two locking jaws (61) upper end slides and is provided with, and locking pushing block (62) is up big and down small wedge shape pushing block.
6. according to one of them described large-scale weighing machine proof force loading test device of claim 1 to 5, it is characterized in that: described pressure head transmission component (3) has drive motor (31), leading screw (33), following strutbeam (35) and sliding beam (37), drive motor (31) is in transmission connection with leading screw (33), following strutbeam (35) is connected with portal frame (2), sliding beam (37) is arranged on down strutbeam (35) below, leading screw (33) is rotatably connected on down on the strutbeam (35), and be threaded with sliding beam (37), sliding beam (37) lower end connects pressure transducer (5) and pressure head (4).
7. large-scale weighing machine proof force loading test device according to claim 6, it is characterized in that: the fixedly connected leading screw wheel in described leading screw (33) top (34), following strutbeam (35) is provided with at least two guide pillars (36), sliding beam (37) is provided with the orienting sleeve (38) that matches with guide pillar (36), and orienting sleeve (38) is fixedlyed connected with sliding beam (37) and is socketed on the corresponding guide pillar (36).
8. large-scale weighing machine proof force loading test device according to claim 7, it is characterized in that: the drive motor (31) of described pressure head transmission component (3) is a servomotor, described leading screw (33) is a ball-screw, be provided with gear (32) between drive motor (31) and the leading screw wheel (34), drive motor (31) and gear (32), gear (32) and leading screw are taken turns between (34) all by band (39) transmission synchronously.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202686126U CN201909666U (en) | 2010-07-23 | 2010-07-23 | Testing device for standard force of large weighing apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202686126U CN201909666U (en) | 2010-07-23 | 2010-07-23 | Testing device for standard force of large weighing apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201909666U true CN201909666U (en) | 2011-07-27 |
Family
ID=44301867
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202686126U Expired - Fee Related CN201909666U (en) | 2010-07-23 | 2010-07-23 | Testing device for standard force of large weighing apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201909666U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102338658A (en) * | 2010-07-23 | 2012-02-01 | 江苏宏事达电气制造有限公司 | Standard force loading testing device for large-scale weighing instrument |
| CN102564559A (en) * | 2012-03-07 | 2012-07-11 | 中国计量学院 | Hydraulic dynamic calibrating device for verifying rail weigher |
| CN105571706A (en) * | 2015-12-22 | 2016-05-11 | 中冶南方工程技术有限公司 | Electronic weighing instrument on-line adjustment and calibration system and adjustment and calibration method |
-
2010
- 2010-07-23 CN CN2010202686126U patent/CN201909666U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102338658A (en) * | 2010-07-23 | 2012-02-01 | 江苏宏事达电气制造有限公司 | Standard force loading testing device for large-scale weighing instrument |
| CN102564559A (en) * | 2012-03-07 | 2012-07-11 | 中国计量学院 | Hydraulic dynamic calibrating device for verifying rail weigher |
| CN105571706A (en) * | 2015-12-22 | 2016-05-11 | 中冶南方工程技术有限公司 | Electronic weighing instrument on-line adjustment and calibration system and adjustment and calibration method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110727 Termination date: 20130723 |