CN105157915A - Dead standard force machine - Google Patents
Dead standard force machine Download PDFInfo
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- CN105157915A CN105157915A CN201510250313.7A CN201510250313A CN105157915A CN 105157915 A CN105157915 A CN 105157915A CN 201510250313 A CN201510250313 A CN 201510250313A CN 105157915 A CN105157915 A CN 105157915A
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- round platform
- counterweight
- web member
- axial cavity
- weight
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Abstract
The invention discloses a dead standard force machine, which comprises an installation base, a loading power device, a weight installation disk, a plurality of weight groups, and a loading mechanism. The installation base consists of a bottom seat and an upper fixing seat. The loading power device includes a loading plate, a motor and a ball screw. Screws of the ball screw are disposed in a penetrating manner at two ends of the bottom seat, the loading plate and the upper fixing seat. The motor is connected with the screws of the ball screw. The loading plate is horizontally disposed between the bottom seat and the upper fixing seat. The weight installation disk is disposed on the loading plate horizontally and rotatably. A plurality of weight positioning holes are disposed in the weight installation disk, and the axes of the weight positioning holes are concyclic. The plurality of weight groups are disposed in the weight positioning holes. The loading mechanism is disposed on the bottom base and located above the weight groups. According to the invention, the motor drives the loading plate to move upward, the weight installation disk is driven to move upward and rotates to be loaded onto the loading mechanism, the plurality of weight groups can be used for measuring sensors of different ranges, and compared with the prior art, the dead standard force machine can achieve automotive loading measurement, large measuring range, quick loading and high convenience.
Description
Technical field
The invention belongs to mechanics properties testing field, be specifically related to a kind of dead weight machine.
Background technology
Sensor is used to directly or indirectly and measurand contacts, and measured parameter is changed into the signal that can directly measure, it carries out process and the necessary raw information of decision-making for system provides, be the key link in modern measure system.Along with the appearance of various sensor, require that the measure of production department tests comprehensively and accurately it and examines and determine, and provide consistent technical indicator reliably.And in the test of sensor, qualification, calibration process, force standard machines and force measuring machine are its key equipments.
Dead weight machine force measuring machine is mainly used in 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, according to the dynamic effect of power, the gravity adopting dead weight counterweight to have in gravity field directly reappears force value, is a kind of the highest method reappearing force value of accuracy that modern science and technology can reach.
The counterweight that force standard machine of the prior art loads is unified, cannot measure the sensor of different range, very inconvenient.
Summary of the invention
In order to solve the problems of the technologies described above, the invention provides a kind of dead weight machine.
In order to achieve the above object, technical scheme of the present invention is as follows:
The invention provides a kind of dead weight machine, comprising:
Mount pad, comprises horizontally disposed base and upper fixed seat, is connected between base and upper fixed seat by multiple column;
Load power-equipment, comprise load plate, motor and two ball-screws, the screw rod of ball-screw vertically arranges respectively and is arranged in the two ends of base, load plate and upper fixed seat, motor is arranged on upper fixed seat and its output terminal is connected with the screw rod of arbitrary ball-screw, and load plate is horizontally placed between base and upper fixed seat;
Counterweight mounting disc, its level and rotate be arranged in load plate, counterweight mounting disc is provided with multiple counterweight pilot hole, the axle center of counterweight pilot hole is circumferentially same;
Multiple weight group, comprises the multiple counterweights from bottom to top connecting setting, and each weight group is arranged in counterweight pilot hole respectively;
Load maintainer, it to be arranged on base and to be positioned at the top of weight group.
In the present invention, motor drive load plate moves up, rotating after driving counterweight mounting disc to move up is loaded on load maintainer, the sensor of different range can be measured by multiple weight group, compared to prior art, realize automatically loading measurement, measurement range ability is wide, and can realize rapid loading, convenient.
Also head rod is provided with in the present invention, axial cavity is provided with in counterweight, the top of the axial cavity of the top counterweight is upper round platform axial cavity, the top of head rod is provided with loading web member, the bottom of head rod is provided with lower round platform web member, the bottom of head rod is actively located in the upper round platform axial cavity of the top counterweight, upper round platform axial cavity and lower round platform web member match, and the end face diameter dimension of lower round platform web member is less than the basal diameter size of lower round platform web member.Lower round platform web member can find the axle center of weight group on the one hand automatically accurately, is convenient to detect, the axial cavity of lower round platform web member and counterweight can be avoided to produce on the other hand and collide, affect accuracy of detection.
The second connecting link is also provided with in the present invention, the bottom of axial cavity is lower round platform axial cavity, the top of the second connecting link is provided with round platform web member, the top of the second connecting link is arranged in the axial cavity of top counterweight, the bottom of the second connecting link is fixed on the counterweight of below, lower round platform axial cavity and upper round platform web member match, and the end face diameter dimension of upper round platform web member is greater than the basal diameter size of round platform web member.Upper round platform web member avoids round platform web member to produce skew in axial cavity on the one hand, can automatically find its axle center accurately, is convenient to detect, and round platform locating part and axial cavity can be avoided to produce on the other hand and collide, affect accuracy of detection.
On the basis of technique scheme, also can do following improvement:
As preferred scheme, the top of above-mentioned counterweight is provided with boss, and the bottom of counterweight is provided with the groove matched with boss.
Adopt above-mentioned preferred scheme, do not measuring or in handling process, weight group directly stacks, the boss between counterweight and groove can realize the location of weight group, and the axle center making all counterweights on the same line, avoids weight group's run-off the straight to collapse
As preferred scheme, above-mentioned load maintainer is provided with loading groove, loads groove and arrange at the both ends open of its length direction, load groove and be obliquely installed in the side of its Width and vertical direction.
Adopt above-mentioned preferred scheme, load maintainer is arranged and loads the quick-replaceable that groove can realize weight group.
Accompanying drawing explanation
Fig. 1 is the structural representation of one embodiment of the present invention.
Wherein, 10. base, 11. upper fixed seats, 20. counterweight mounting discs, 30. weight groups, 40. load maintainers, 50. motors, 51. ball-screws, 52. load plate.
Embodiment
The preferred embodiment of the present invention is described in detail below in conjunction with accompanying drawing.
In order to reach object of the present invention, as shown in Figure 1, in wherein a kind of embodiment of the present invention, provide a kind of dead weight machine, comprising:
Mount pad, comprises horizontally disposed base 10 and upper fixed seat 11, is connected between base 10 and upper fixed seat 11 by two column (not shown)s;
Load power-equipment, comprise load plate 52, motor 50 and two ball-screws 51, the screw rod of ball-screw 51 vertically arranges respectively and is arranged in the two ends of base 10, load plate 52 and upper fixed seat 11, motor 50 is arranged on upper fixed seat 11 and its output terminal is connected with the screw rod of ball-screw 51, and load plate 52 is horizontally placed between base 10 and upper fixed seat 11;
Counterweight mounting disc 20, its level and rotate be arranged in load plate 52, counterweight mounting disc 20 is provided with seven counterweight pilot holes, the axle center of counterweight pilot hole is circumferentially same;
Seven weight groups 30, comprise the multiple counterweights from bottom to top connecting setting, and each weight group 30 is arranged in counterweight pilot hole respectively;
Load maintainer 40, it to be arranged on base 10 and to be positioned at the top of weight group 30.
In present embodiment, motor 50 drive load plate 52 moves up, rotating after driving counterweight mounting disc 20 to move up is loaded on load maintainer 40, the sensor of different range can be measured by seven weight groups 30, compared to prior art, realize automatically loading measurement, measurement range ability is wide, and can realize rapid loading, convenient.
Also head rod is provided with in present embodiment, axial cavity is provided with in counterweight, the top of the axial cavity of the top counterweight is upper round platform axial cavity, the top of head rod is provided with loading web member, the bottom of head rod is provided with lower round platform web member, the bottom of head rod is actively located in the upper round platform axial cavity of the top counterweight, upper round platform axial cavity and lower round platform web member match, and the end face diameter dimension of lower round platform web member is less than the basal diameter size of lower round platform web member.Lower round platform web member can find the axle center of weight group on the one hand automatically accurately, is convenient to detect, the axial cavity of lower round platform web member and counterweight can be avoided to produce on the other hand and collide, affect accuracy of detection.
The second connecting link is also provided with in present embodiment, the bottom of axial cavity is lower round platform axial cavity, the top of the second connecting link is provided with round platform web member, the top of the second connecting link is arranged in the axial cavity of top counterweight, the bottom of the second connecting link is fixed on the counterweight of below, lower round platform axial cavity and upper round platform web member match, and the end face diameter dimension of upper round platform web member is greater than the basal diameter size of round platform web member.Upper round platform web member avoids round platform web member to produce skew in axial cavity on the one hand, can automatically find its axle center accurately, is convenient to detect, and round platform locating part and axial cavity can be avoided to produce on the other hand and collide, affect accuracy of detection.
In order to optimize implementation result of the present invention further, in another embodiment of the invention, on the basis of foregoing teachings, the top of above-mentioned counterweight is provided with boss, and the bottom of counterweight is provided with the groove matched with boss.
Adopt above-mentioned preferred scheme, do not measuring or in handling process, weight group 30 directly stacks, the boss between counterweight and groove can realize the location of weight group, and the axle center making all counterweights on the same line, avoids weight group's run-off the straight to collapse
In order to optimize implementation result of the present invention further, in another embodiment of the invention, on the basis of foregoing teachings, above-mentioned load maintainer 40 is provided with loading groove, load groove to arrange at the both ends open of its length direction, load groove and be obliquely installed in the side of its Width and vertical direction.
Adopt above-mentioned preferred scheme, load maintainer 40 is arranged and loads the quick-replaceable that groove can realize weight group 30.
Above-described is only the preferred embodiment of the present invention, it should be pointed out that for the person of ordinary skill of the art, and without departing from the concept of the premise of the invention, can also make some distortion and improvement, these all belong to protection scope of the present invention.
Claims (5)
1. dead weight machine, is characterized in that, comprising:
Mount pad, comprises horizontally disposed base and upper fixed seat, is connected between described base and upper fixed seat by multiple column;
Load power-equipment, comprise load plate, motor and two ball-screws, the screw rod of described ball-screw vertically arranges respectively and is arranged in the two ends of described base, load plate and upper fixed seat, described motor is arranged on fixed seat and its output terminal is connected with the screw rod of arbitrary described ball-screw, and described load plate is horizontally placed between described base and fixed seat;
Counterweight mounting disc, its level and rotate be arranged in described load plate, described counterweight mounting disc is provided with multiple counterweight pilot hole, and the axle center of described counterweight pilot hole is circumferentially same;
Multiple weight group, comprises the multiple counterweights from bottom to top connecting setting, and each weight group is arranged in described counterweight pilot hole respectively;
Load maintainer, it to be arranged on described base and to be positioned at the top of described weight group.
2. dead weight machine according to claim 1, it is characterized in that, also be provided with head rod, axial cavity is provided with in described counterweight, the top of the axial cavity of the top counterweight is upper round platform axial cavity, the top of described head rod is provided with loading web member, the bottom of described head rod is provided with lower round platform web member, the bottom of described head rod is actively located in the upper round platform axial cavity of the top counterweight, described upper round platform axial cavity and described lower round platform web member match, the end face diameter dimension of described lower round platform web member is less than the basal diameter size of described lower round platform web member.
3. dead weight machine according to claim 2, it is characterized in that, also be provided with the second connecting link, the bottom of described axial cavity is lower round platform axial cavity, the top of described second connecting link is provided with round platform web member, the top of described second connecting link is arranged in the axial cavity of top counterweight, the bottom of described second connecting link is fixed on the counterweight of below, described lower round platform axial cavity and described upper round platform web member match, and the end face diameter dimension of described upper round platform web member is greater than the basal diameter size of described upper round platform web member.
4. dead weight machine according to claim 1, is characterized in that, the top of described counterweight is provided with boss, and the bottom of described counterweight is provided with the groove matched with described boss.
5. dead weight machine according to claim 1, is characterized in that, described load maintainer is provided with loading groove, and described loading groove is arranged at the both ends open of its length direction, and described loading groove is obliquely installed in the side of its Width and vertical direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510250313.7A CN105157915A (en) | 2015-05-18 | 2015-05-18 | Dead standard force machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510250313.7A CN105157915A (en) | 2015-05-18 | 2015-05-18 | Dead standard force machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105157915A true CN105157915A (en) | 2015-12-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510250313.7A Pending CN105157915A (en) | 2015-05-18 | 2015-05-18 | Dead standard force machine |
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| CN (1) | CN105157915A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105938029A (en) * | 2016-05-30 | 2016-09-14 | 中国计量科学研究院 | Small-force-value force measuring machine |
| CN106644026A (en) * | 2017-01-25 | 2017-05-10 | 福建省计量科学研究院 | Loading and unloading control method of counterweights of dead-weight force standard machine |
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| CN2903952Y (en) * | 2006-05-17 | 2007-05-23 | 吉林大学 | Superimposed force standard machine |
| CN102156022A (en) * | 2011-05-23 | 2011-08-17 | 重庆大学 | Stress sensor calibration system |
| CN202188935U (en) * | 2011-06-30 | 2012-04-11 | 天水红山试验机有限公司 | Multi-station dead-weight type force standard machine |
| CN204038974U (en) * | 2014-08-01 | 2014-12-24 | 昆山市创新科技检测仪器有限公司 | A kind of counterweight lifting table mechanism |
| CN204964108U (en) * | 2015-05-18 | 2016-01-13 | 昆山市创新科技检测仪器有限公司 | Deadweight machine |
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2015
- 2015-05-18 CN CN201510250313.7A patent/CN105157915A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2903952Y (en) * | 2006-05-17 | 2007-05-23 | 吉林大学 | Superimposed force standard machine |
| CN102156022A (en) * | 2011-05-23 | 2011-08-17 | 重庆大学 | Stress sensor calibration system |
| CN202188935U (en) * | 2011-06-30 | 2012-04-11 | 天水红山试验机有限公司 | Multi-station dead-weight type force standard machine |
| CN204038974U (en) * | 2014-08-01 | 2014-12-24 | 昆山市创新科技检测仪器有限公司 | A kind of counterweight lifting table mechanism |
| CN204964108U (en) * | 2015-05-18 | 2016-01-13 | 昆山市创新科技检测仪器有限公司 | Deadweight machine |
Non-Patent Citations (1)
| Title |
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| 范海艇等: "基于气浮轴承技术的高准确度小量程扭矩标准机", 《上海计量测试》 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105938029A (en) * | 2016-05-30 | 2016-09-14 | 中国计量科学研究院 | Small-force-value force measuring machine |
| CN105938029B (en) * | 2016-05-30 | 2018-10-19 | 中国计量科学研究院 | A kind of small value force force measuring machine |
| CN106644026A (en) * | 2017-01-25 | 2017-05-10 | 福建省计量科学研究院 | Loading and unloading control method of counterweights of dead-weight force standard machine |
| CN106644026B (en) * | 2017-01-25 | 2019-03-12 | 福建省计量科学研究院 | A kind of counterweight of Dead Weigh Force Standard Machine plus Unloading Control method |
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Application publication date: 20151216 |
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| RJ01 | Rejection of invention patent application after publication |