CN101929903B - Anti-destruction device in static heavy machine experiment process - Google Patents
Anti-destruction device in static heavy machine experiment process Download PDFInfo
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- CN101929903B CN101929903B CN 201010129771 CN201010129771A CN101929903B CN 101929903 B CN101929903 B CN 101929903B CN 201010129771 CN201010129771 CN 201010129771 CN 201010129771 A CN201010129771 A CN 201010129771A CN 101929903 B CN101929903 B CN 101929903B
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- frame mechanism
- screw rod
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Abstract
The invention relates to an anti-destruction device in a static heavy machine experiment process. The device is characterized by comprising a motor and a screw, wherein the screw is connected with a reverse frame mechanism of a static heavy machine in a sliding way; the screw and the reverse frame mechanism are respectively provided with limiting parts which are matched with each other so as to limit the separation of the screw from the reverse frame mechanism; and the motor is used for driving the screw. Because of using a structure which can prevent sliding and separating, fall motion of the reverse frame mechanism is limited when a weight falls and the destruction can be prevented. In addition, because the screw is driven by using the motor, the weight is lifted up and declined, and the problem of weight pollution caused by using an oil tank lifting weight is avoided; and simultaneously the anti-destruction device also can be used as a lifting device for initial loading and final loading in a creep experiment, the lifting device for loading the weight, and the lifting device and/or a reverse frame lifting device when the weight is rechecked.
Description
Technical field
The present invention relates to anti-destruction device in static heavy machine experiment process.
In addition, the invention still further relates to a kind of dead weight machine that uses said destruction prevention device.
Background technology
Sensor is to be used for directly or indirectly and measurand is got in touch, and measured parameter is changed into the signal that can directly measure, and it provides the necessary raw information of handling and make a strategic decision for system, is the key link in the modern detection system.Along with the appearance of various sensor, require production metrological service that it is tested comprehensively and accurately, examines and determine, and provide consistent reliable technique index.And in the test of sensor, evaluation, calibration process, force standard machines is that force measuring machine is its key equipment.
Dead weight formula force measuring machine is mainly used in the dynamometry and the LOAD CELLS of calibrating or calibration criterion dynamometer and corresponding accuracy; Carry out the force measurement work of transmission of quantity value and pin-point accuracy; Dynamic effect according to power; Adopting the gravity that had of dead weight counterweight in gravity field directly to reappear the power value, is the method for the highest a kind of power of the reproduction value of the modern science and technology accuracy that can reach.Dead weight formula force measuring machine is the highest force measuring machine of accuracy, and national benchmark adopts the type mostly.
When dead weight formula force measuring machine of the prior art loads counterweight, use lifter to load, yet when lifter breaks down, counterweight is directly fallen on the suspension rod, cause very big impact, thereby possibly damage the sensor examined and determine etc.; In addition, the lifting to suspension rod and counterweight of dead weight formula force measuring machine of the prior art is to realize through two oil cylinders that are arranged at reverse frame mechanism below, when oil cylinder is revealed, can the counterweight of force measuring machine bottom be polluted; Thereby the influence calibrating is existing; When oil cylinder is revealed, can the counterweight of force measuring machine bottom be polluted, thereby influences verification result, and in loading the process of counterweight since reverse frame mechanism not by mechanical positioning; Can make suspension bracket generation beat, this also can influence verification result.
Summary of the invention
The purpose of this invention is to provide a kind of can prevent counterweight fall the destruction of being caused, have the mechanical positioning function, prevent counterweight receive pollution, can be as creep test original upload and the final hoisting apparatus that loads, the hoisting apparatus when loading, the hoisting apparatus and/or the reverse anti-destruction device in static heavy machine experiment process of frame lifting gear when counterweight is rechecked as counterweight.
For solving the problems of the technologies described above, the present invention takes following technical scheme:.A kind of anti-destruction device in static heavy machine experiment process is characterized in that: comprise motor and screw rod; Said screw rod is connected with the reverse frame mechanism of dead weight machine slidably, respectively has the limiting component that cooperatively interacts on said screw rod and the reverse frame mechanism, to limit said screw rod and said reverse frame mechanism breaks away from each other; Said motor is used to drive said screw rod.
Another object of the present invention provides a kind of dead weight machine that uses said destruction prevention device.
Owing to used the said structure that can prevent that said slip is separated, make when counterweight falls, form the restriction that said reverse frame mechanism is fallen to moving, thereby can prevent the generation that destroys.In addition, thereby owing to used motor to come drive screw to realize lifting and decline (being lifting) to counterweight, the counterweight pollution problem of therefore having avoided use oil tank lifting counterweight to bring; Simultaneously, this destruction prevention device also can be as creep test original upload and the final hoisting apparatus that loads, the hoisting apparatus when loading as counterweight, hoisting apparatus and/or the reverse frame lifting gear when counterweight is rechecked.
Description of drawings
Fig. 1 is the structural representation of dead weight machine experimental provision.
Fig. 2 is the structural representation of loading portion.
Fig. 3 is the anti-destruction device in static heavy machine experiment process synoptic diagram.
Embodiment
Below in conjunction with accompanying drawing technical scheme of the present invention is elaborated.
Fig. 1 shows the structural representation of force sensor caliberating device.Device as shown in Figure 1 comprises loading portion 1, suspension rod 2 and Weight synchronous loading and unloading device 3.
Said loading portion 1 is used for to pressure to be calibrated or pulling force sensor imposed load, and its lower end connects said suspension rod 2; On said suspension rod 2, be equipped with a plurality of counterweight driving mechanisms 3.
Fig. 2 is the structural representation of loading portion.As shown in Figure 2, said loading portion 1 comprises motor 10, moving beam 12, reverse frame mechanism 13 and screw rod 19.
Said moving beam 12 can move along the vertical of threaded column 111 of said loading portion 1, and can be fixed on arbitrary position of said screw thread, and it has a pallet 110.
The upper end of said reverse frame mechanism 13 connects said screw rod 19, and the lower end is connected with said suspension rod 2; The upper end of said reverse frame mechanism 13 has a pressurization link 14; Pressure transducer to be measured is placed between said pallet 110 and the said pressurization link 4, and after counterweight was added on the said suspension rod 2, said suspension rod 2 moved downward; Thereby drive said reverse frame mechanism 13 and on pressurization link 4 move downward; Because said moving beam 12 is fixed on the column 111, therefore pressure transducer to be measured is applied certain load, so that it is demarcated.
Said screw rod 19 can move up and down with respect to back timber 17 under the driving of said motor 10; Simultaneously, the lower end of said screw rod 19 has a teat 18, and it is used for being connected with said pressurization link 14.
Shown in Fig. 2-3, the top of said pressurization link 14 has cutting ferrule 11; Said cutting ferrule 11 has the hollow bulb that matches with the teat 18 of said screw rod 19, at the end of hollow bulb away from said pressurization link 14, has the Access Division of matching with said screw rod 19, and the diameter of said Access Division is less than the diameter of said hollow bulb; Said teat 18 places in the said hollow bulb; Because the diameter of teat 18 is greater than the diameter of said Access Division; Thereby realize being connected between said screw rod 19 and the said pressurization link 14, simultaneously, have the structure that matches between said screw rod 19 and the said Access Division; Thereby make said screw rod 19 can be said relatively pressurization link 14 slide, and by spacing to said slip of said teat and Access Division realization.
But said slip makes and is not affected dead weight machine operate as normal still under normal operation.Lifter in Weight synchronous loading and unloading device 3 breaks down, and when making the counterweight free-falling, can cause serious impact to whole device; Owing to used above-mentioned destruction prevention device, when counterweight falls, when reverse frame mechanism 13 moves upward in company with said suspension bracket 2 with chute; Cutting ferrule 11 moves downward with respect to screw rod 19; When Access Division that the teat of screw rod 19 18 arrives on the said chute, spacing by it, thus can prevent the generation that destroys.
In addition, thus since lifting and the decline (being lifting) of having used motor 10 to come drive screw 19 to realize to counterweight, the counterweight pollution problem of therefore having avoided use oil tank lifting counterweight to bring; Simultaneously, this destruction prevention device also can be as creep test original upload and the final hoisting apparatus that loads, the hoisting apparatus when loading as counterweight, hoisting apparatus and/or the reverse frame lifting gear when counterweight is rechecked.
The both sides of said pressurization link 14 also have two orienting lugs 15 that have pilot hole; Two guide poles 16 are fixed on the said crossbeam 17, and its lower end is placed in respectively in the pilot hole of said orienting lug 15, to realize the guiding to reverse frame mechanism 13, prevent that said reverse frame mechanism 13 from revolution or deflection taking place, and promptly realize the machine center positioning function.
Claims (5)
1. an anti-destruction device in static heavy machine experiment process is characterized in that: comprise motor (10) and screw rod (19); Said screw rod (19) is connected with the reverse frame mechanism (13) of dead weight machine slidably, respectively has the limiting component that cooperatively interacts on said screw rod (19) and the reverse frame mechanism (13), breaks away from each other with said reverse frame mechanism (13) to limit said screw rod (19); Said motor (10) is used to drive said screw rod (19); Limiting component on the said screw rod (19) is the teat that is positioned on the said screw rod (19); Said reverse frame mechanism (13) comprises cutting ferrule (11), and said cutting ferrule (11) comprises the Access Division that a chute is terminal with being positioned at chute, and said Access Division forms the limiting component of said reverse frame mechanism (13).
2. device as claimed in claim 1 is characterized in that: also be provided with at least two pilot holes on the said reverse frame mechanism (13), said destruction prevention device also has at least two guide poles (16) that are used with said at least two pilot holes.
3. device as claimed in claim 2 is characterized in that: said pilot hole is positioned on the orienting lug (15).
4. device as claimed in claim 3 is characterized in that: said at least two guide poles (16) are fixed on the crossbeam (17) of said dead weight machine.
5. a dead weight machine is characterized in that: comprise each described anti-destruction device in static heavy machine experiment process like claim 1-4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010129771 CN101929903B (en) | 2010-03-23 | 2010-03-23 | Anti-destruction device in static heavy machine experiment process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010129771 CN101929903B (en) | 2010-03-23 | 2010-03-23 | Anti-destruction device in static heavy machine experiment process |
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| Publication Number | Publication Date |
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| CN101929903A CN101929903A (en) | 2010-12-29 |
| CN101929903B true CN101929903B (en) | 2012-11-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201010129771 Expired - Fee Related CN101929903B (en) | 2010-03-23 | 2010-03-23 | Anti-destruction device in static heavy machine experiment process |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105181237A (en) * | 2015-05-18 | 2015-12-23 | 陶泽成 | Reverse rack device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1609569A (en) * | 2004-11-23 | 2005-04-27 | 沈阳仪表科学研究院 | Mechanical comparision type force standard machine |
| CN2755578Y (en) * | 2004-11-23 | 2006-02-01 | 沈阳仪表科学研究院 | Hydraulic comparing force standard instrument |
| CN201133859Y (en) * | 2007-04-27 | 2008-10-15 | 重庆市计量质量检测研究院 | 2MN microcomputer controlled electrohydraulic servo-force standard machine |
| CN201788053U (en) * | 2010-03-23 | 2011-04-06 | 昆山市创新科技检测仪器有限公司 | Damage prevention device used in experimental process of deadweight machine and deadweight machine using same |
-
2010
- 2010-03-23 CN CN 201010129771 patent/CN101929903B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1609569A (en) * | 2004-11-23 | 2005-04-27 | 沈阳仪表科学研究院 | Mechanical comparision type force standard machine |
| CN2755578Y (en) * | 2004-11-23 | 2006-02-01 | 沈阳仪表科学研究院 | Hydraulic comparing force standard instrument |
| CN201133859Y (en) * | 2007-04-27 | 2008-10-15 | 重庆市计量质量检测研究院 | 2MN microcomputer controlled electrohydraulic servo-force standard machine |
| CN201788053U (en) * | 2010-03-23 | 2011-04-06 | 昆山市创新科技检测仪器有限公司 | Damage prevention device used in experimental process of deadweight machine and deadweight machine using same |
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| CN101929903A (en) | 2010-12-29 |
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