CN203719824U - Main beam indifferent equilibrium adjusting mechanism for dead weight torque standard machine - Google Patents

Main beam indifferent equilibrium adjusting mechanism for dead weight torque standard machine Download PDF

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Publication number
CN203719824U
CN203719824U CN201420038964.0U CN201420038964U CN203719824U CN 203719824 U CN203719824 U CN 203719824U CN 201420038964 U CN201420038964 U CN 201420038964U CN 203719824 U CN203719824 U CN 203719824U
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China
Prior art keywords
screw
girder
balance adjustment
horizontal
dead weight
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Expired - Fee Related
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CN201420038964.0U
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Chinese (zh)
Inventor
张智敏
李涛
袁子高
倪晋权
夏冰玉
孟峰
张伟
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National Institute of Metrology
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National Institute of Metrology
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Abstract

The utility model provides a main beam indifferent equilibrium adjusting mechanism for a dead weight torque standard machine, and belongs to the field of metering detection, torque detection calibration and torque test. The mechanism comprises an equilibrium adjusting frame (5), an equilibrium adjusting screw rod (6), and an equilibrium adjusting weight (7); the equilibrium adjusting frame (5) has a T-shaped structure, and comprises horizontal pipes and a vertical pipe; the horizontal pipes comprise a horizontal round pipe and a horizontal square pipe; the outer diameter of the horizontal round pipe is the same as the inner edge length of the horizontal square pipe; the horizontal round pipe is sleeved inside the horizontal square pipe, and the two pipes are the same in length and two ends are flush; the vertical pipe is a round pipe; the vertical pipe is vertical to the horizontal square pipe; and one end of the vertical pipe is welded and fixed with the middle part of the horizontal square pipe, and the T-shaped structure is formed.

Description

Girder indifferent equilibrium governor motion for a kind of dead weight type safe standard torquer
Technical field
The utility model belongs to metering detection, moment of torsion testing calibration, torsion-testing field, is specifically related to girder indifferent equilibrium governor motion for a kind of dead weight type safe standard torquer.
Background technology
Dead weight type safe torque standard device is to using the gravity of counterweight as proof force value, and directly or after certain leverage amplifies, the effect by arm lever produces standard moment.For guaranteeing the pin-point accuracy of dead weight type safe torque standard device, girder must be adjusted to indifferent equilibrium state.Girder indifferent equilibrium state refers to that the barycenter of girder parts is positioned in the middle of the girder strong point, and girder can reach equilibrium state in any position.Girder indifferent equilibrium state is extremely important for dead weight type safe torque standard device, can directly have influence on the measuring accuracy of device.Conventionally can, at girder front, back, left, right, up, down six direction design counterweight counterweight, by regulating the position of counterweight, make girder arrive indifferent equilibrium state.But when the girder of dead weight type safe torque standard device is smaller, be not suitable for directly on girder, designing too much counterweight counterweight.
Utility model content
The purpose of this utility model is to solve the difficult problem existing in above-mentioned prior art, and girder indifferent equilibrium governor motion for a kind of dead weight type safe standard torquer is provided, for the indifferent equilibrium adjusting of small-sized dead weight type safe torque standard device.
The utility model is achieved through the following technical solutions:
A girder indifferent equilibrium governor motion for dead weight type safe standard torquer, comprises balance adjustment frame 5, balanced regulating screw 6 and balance adjustment stone roller 7;
Described balance adjustment frame 5 is T shape structure, comprises horizontal tube and vertical tube; Described horizontal tube comprises a horizontal pipe and a horizontal square tube;
The inner edge appearance of the external diameter of described horizontal pipe and horizontal square tube etc.; Described horizontal pipe is enclosed within the inside of horizontal square tube, and the two isometric and two ends of pipe flush;
Described vertical tube is a round tube; Described vertical tube is vertical with described horizontal square tube; One end of described vertical tube is fixedly connected with the middle part of described horizontal square tube, forms T-shaped structure.
Respectively there are one group of balance adjustment stone roller 7 and balanced regulating screw 6 in two ends in the horizontal pipe of described balance adjustment frame 5;
Described balance adjustment stone roller 7 is cylindrical metal piece, and the heart has threaded hole therein, in its bottom, has groove;
One end of described balanced regulating screw 6 is screw thread, and the other end is right cylinder, and centre is positioning step and groove; On described cylindrical surface, be provided with annular knurl, be convenient to hand and twist; The right cylinder of described balanced regulating screw 6 is positioned at horizontal tube outside, and other position is positioned at horizontal tube inside;
The screw thread of described balanced regulating screw 6 coordinates with the threaded hole of balance adjustment stone roller 7.Screw balanced regulating screw 6, balance adjustment stone roller 7 can move left and right on screw rod, thereby has changed its centre of gravity place, also has influence on the centroid position of girder parts simultaneously.By screwing left and right balanced regulating screw, can realize moving left and right of centroid position.
The internal diameter loose fit of the positioning step of described balanced regulating screw 6 and horizontal pipe, can freely rotate screw rod.
The verticality of described vertical tube and described horizontal square tube is 0.05.
Described mechanism further comprises screw rod screw 9, and it is fixed on balance adjustment frame 5 by screw thread, and its bottom extend in the groove of balanced regulating screw 6, thereby has limited moving horizontally of balanced regulating screw 6.
Described mechanism further comprises regulating cuts or polish jade with an emery wheel screw 8, and it is fixed on balance adjustment frame 5 by screw thread, and its bottom extend in the groove of balance adjustment stone roller 7, thereby has limited the maximum amount of movement of balance adjustment stone roller 7.
The vertical tube of described balance adjustment frame 5 is through the main shaft 2 of the girder 1 of dead weight type safe standard torquer;
Described main shaft 2 is fixedly connected with by screw with girder 1;
One side of the middle part of described vertical tube has long rabbet;
Described mechanism further comprises holding screw 3, and holding screw 3 is threaded with main shaft 2, and the end of holding screw 3 extend into the inside of vertical tube by the long rabbet on vertical tube.By the screwing force of screw thread, holding screw 3 can compress the inwall of vertical tube, thereby forbids that balance adjustment frame moves up and down along girder spindle through-hole direction.
For preventing tightening tip of screw and tight vertical tube inwall compressive deformation, between holding screw 3 and vertical tube, be designed with cushion block 11;
Described cushion block 11 is cylinder type, and its diameter, than the little 0-1mm of vertical tube internal diameter, is provided with threaded hole in the bottom of cushion block 11, is convenient to, with instrument, cushion block is delivered to installation site;
One side of described cushion block 11 has deep hole, coordinates with the end of holding screw 3.When holding screw unclamps, balance adjustment frame can move up and down along girder spindle through-hole direction, thus the centroid position of capable of regulating girder parts vertical direction.
The material of described cushion block 11 is red copper.
The clamp of the bottom of described balance adjustment frame 5 and dead weight type safe standard torquer is connected and fixed by straight pin 10.The top of described clamp is cylindrical, and the latter half is cube shaped;
Bottom at described clamp is provided with threaded hole.Screw 12 is connected with clamp by screw thread, can in the threaded hole of clamp, move up and down, thereby realize the object of fine adjustment of vertical direction centroid position.
Compared with prior art, the beneficial effects of the utility model are:
(1) the utility model adopts T-shaped balance adjustment shelf structure, has realized manual adjustments indifferent equilibrium on small-sized girder.Simple in structure, easy to operate.
(2) the built-in counterweight stone roller structure that the utility model adopts, structure is ingenious, and good looking appearance is exquisite.
Accompanying drawing explanation
Fig. 1 is the structural representation of girder indifferent equilibrium governor motion for the utility model dead weight type safe standard torquer.
Fig. 2 is the structural representation front view of girder indifferent equilibrium governor motion for the utility model dead weight type safe standard torquer.
Fig. 3 is the structural representation left view of girder indifferent equilibrium governor motion for the utility model dead weight type safe standard torquer.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail:
A kind of dead weight type safe standard torquer of the utility model is specially adapted for the main beam structure of small volume with girder indifferent equilibrium governor motion.
Structural representation of the present utility model as shown in Figure 1, Figure 2 and Figure 3, mainly comprises: lock-screw 3, girder clamp 4, balance adjustment frame 5, balanced regulating screw 6, balance adjustment stone roller 7, holding screw 12 etc.
Balance adjustment frame 5 is T shape structure welding parts.Horizontal direction is to be welded by 1 circular aluminum compo pipe and 1 square aluminum compo pipe.Round tube external diameter and rectangular tube inner edge appearance etc.Round tube is enclosed within rectangular tube inside, and two pipes are isometric, and two ends flush.Vertical direction is 1 circular aluminum compo pipe.Vertical round tube is vertical with horizontal square tube, verticality 0.05.Pipe one end and the welding of square tube middle part, form T-shaped structure.Vertical tube middle part one side has long rabbet.
In the horizontal pipe of balance adjustment frame 5, respectively there are one group of balance adjustment stone roller 7 and balanced regulating screw 6 in two ends.Balance adjustment stone roller 7 is derbies of a cylindrical structural, and there is threaded hole at center, and bottom has a notch that is similar to keyway.Balanced regulating screw 6 one end are screw threads, and the other end is right cylinder, and centre is positioning step and groove.Periphery has annular knurl, is convenient to hand and twists.Positioning step and the loose fit of horizontal pipe internal diameter, can freely rotate screw rod.Screw 9 is fixed with balance adjustment frame screw thread, and screw 9 bottoms are outstanding, go deep in the groove of balanced regulating screw, thereby limited moving horizontally of screw rod.Balance adjustment stone roller 7 is threaded with balanced regulating screw 6.Screw balanced regulating screw 6, balance adjustment stone roller 7 can move left and right on screw rod, thereby has changed its centre of gravity place, also has influence on the centroid position of girder parts simultaneously.By screwing left and right balanced regulating screw, can realize moving left and right of centroid position.Screw 8 is the same with screw 9 to be fixed on balance adjustment frame, and bottom is goed deep in the groove of balance adjustment stone roller 7, has limited the maximum amount of movement of balance adjustment stone roller 7.
The vertical tube of balance adjustment frame 5 is partly through girder main shaft 2.Girder main shaft is a part for girder parts, is fixedly connected with by screw with girder 1.Holding screw is connected with girder spindle thread, and end, by the notch on vertical tube, gos deep into vertical tube inside.By the screwing force of screw thread, holding screw can compress the inwall of vertical tube, thereby forbids that balance adjustment frame moves up and down along girder spindle through-hole direction.For preventing from tightening tip of screw and tight vertical tube inwall compressive deformation, between has designed take the cushion block 11 that red copper is material.Cushion block is cylinder type, and diameter is more smaller than vertical tube internal diameter, and threaded hole is arranged at bottom, is convenient to, with instrument, cushion block is delivered to installation site.Cushion block one side has deep hole, can coordinate with holding screw end.When holding screw unclamps, balance adjustment frame can move up and down along girder spindle through-hole direction, thus the centroid position of capable of regulating girder parts vertical direction.
The bottom of balance adjustment frame 5 and clamp 4 are connected and fixed by straight pin 10.Clamp top is cylindrical, and the latter half is cube shaped.Threaded hole is arranged at clamp bottom.Screw 12 is threaded connection, and can in screw, move up and down, thereby realize the object of fine adjustment of vertical direction centroid position.
The horizontal pipe external diameter adopting in the present embodiment is 30mm, and thickness is that 3mm (can use, not restriction by other sizes.), material is 205 aluminum pipes or aluminium alloy, common steel tube, stainless-steel tube, plastics etc.
The peripheral elongated 36mm of being of horizontal square tube adopting in the present embodiment, thickness is that 3mm (can use, not restriction by other sizes.), material is 205 side's aluminum pipes or aluminium alloy, common steel tube, stainless-steel tube, plastics etc.
The vertical tube external diameter adopting in the present embodiment is 20mm, and thickness is that 2mm (can use, not restriction by other sizes.), material is 205 aluminum pipes or aluminium alloy, common steel tube, stainless-steel tube, plastics etc.
Technique scheme is a kind of embodiment of the present utility model, for those skilled in the art, the utility model discloses on the basis of principle, be easy to make various types of improvement or distortion, and be not limited only to the described structure of the above-mentioned specific embodiment of the utility model, therefore previously described just preferred, and do not there is restrictive meaning.

Claims (9)

1. a girder indifferent equilibrium governor motion for dead weight type safe standard torquer, is characterized in that: described mechanism comprises balance adjustment frame (5), balanced regulating screw (6) and balance adjustment stone roller (7);
Described balance adjustment frame (5) is T shape structure, comprises horizontal tube and vertical tube; Described horizontal tube comprises a horizontal pipe and a horizontal square tube;
The inner edge appearance of the external diameter of described horizontal pipe and horizontal square tube etc.; Described horizontal pipe is enclosed within the inside of horizontal square tube, and the two isometric and two ends of pipe flush;
Described vertical tube is a round tube; Described vertical tube is vertical with described horizontal square tube; One end of described vertical tube is fixedly connected with the middle part of described horizontal square tube, forms T-shaped structure.
2. girder indifferent equilibrium governor motion for dead weight type safe standard torquer according to claim 1, is characterized in that: respectively there are one group of balance adjustment stone roller (7) and balanced regulating screw (6) in the two ends in the horizontal pipe of described balance adjustment frame (5);
Described balance adjustment stone roller (7) is cylindrical metal piece, and the heart has threaded hole therein, in its bottom, has groove;
One end of described balanced regulating screw (6) is screw thread, and the other end is right cylinder, and centre is positioning step and groove; On described cylindrical surface, be provided with annular knurl; The right cylinder of described balanced regulating screw (6) is positioned at horizontal tube outside, and other position is positioned at horizontal tube inside;
The screw thread of described balanced regulating screw (6) coordinates with the threaded hole of balance adjustment stone roller (7);
The positioning step of described balanced regulating screw (6) and the internal diameter loose fit of horizontal pipe, can freely rotate screw rod.
3. girder indifferent equilibrium governor motion for dead weight type safe standard torquer according to claim 2, is characterized in that: the verticality of described vertical tube and described horizontal square tube is 0.05.
4. girder indifferent equilibrium governor motion for dead weight type safe standard torquer according to claim 3, it is characterized in that: described mechanism further comprises screw rod screw (9), it is upper that it is fixed on balance adjustment frame (5) by screw thread, and its bottom extend in the groove of balanced regulating screw (6).
5. girder indifferent equilibrium governor motion for dead weight type safe standard torquer according to claim 4, it is characterized in that: described mechanism further comprises regulating cuts or polish jade with an emery wheel screw (8), it is upper that it is fixed on balance adjustment frame (5) by screw thread, and its bottom extend in the groove of balance adjustment stone roller (7).
6. girder indifferent equilibrium governor motion for dead weight type safe standard torquer according to claim 5, is characterized in that: the vertical tube of described balance adjustment frame (5) is through the main shaft (2) of the girder (1) of dead weight type safe standard torquer;
Described main shaft (2) is fixedly connected with by screw with girder (1);
One side of the middle part of described vertical tube has long rabbet;
Described mechanism further comprises holding screw (3), and holding screw (3) is threaded with main shaft (2), and the end of holding screw (3) extend into the inside of vertical tube by the long rabbet on vertical tube.
7. girder indifferent equilibrium governor motion for dead weight type safe standard torquer according to claim 6, is characterized in that: between holding screw (3) and vertical tube, be designed with cushion block (11);
Described cushion block (11) is cylinder type, and its diameter, than the little 0-1mm of vertical tube internal diameter, is provided with threaded hole in the bottom of cushion block (11);
One side of described cushion block (11) has deep hole, coordinates with the end of holding screw (3).
8. girder indifferent equilibrium governor motion for dead weight type safe standard torquer according to claim 7, is characterized in that: the material of described cushion block (11) is red copper.
9. according to the arbitrary described dead weight type safe standard torquer of claim 1 to 8 girder indifferent equilibrium governor motion, it is characterized in that: the bottom of described balance adjustment frame (5) and the clamp of dead weight type safe standard torquer are connected and fixed by straight pin (10); The top of described clamp is cylindrical, and the latter half is cube shaped;
Bottom at described clamp is provided with threaded hole; Screw (12) is connected with clamp by screw thread.
CN201420038964.0U 2014-01-21 2014-01-21 Main beam indifferent equilibrium adjusting mechanism for dead weight torque standard machine Expired - Fee Related CN203719824U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420038964.0U CN203719824U (en) 2014-01-21 2014-01-21 Main beam indifferent equilibrium adjusting mechanism for dead weight torque standard machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420038964.0U CN203719824U (en) 2014-01-21 2014-01-21 Main beam indifferent equilibrium adjusting mechanism for dead weight torque standard machine

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104359616A (en) * 2014-11-19 2015-02-18 中国船舶重工集团公司第七○四研究所 Synchronous motion control system of balance mechanism of ultra-large torque standard machine
CN104359618A (en) * 2014-12-03 2015-02-18 中国北方车辆研究所 Device for field calibration of dynamometer torquemeter of rotary mechanical test bed
CN107219036A (en) * 2017-05-05 2017-09-29 中国计量科学研究院 The small force value standard set-up of dead weight type safe supported based on air-bearing
CN109282926A (en) * 2018-09-21 2019-01-29 苏州莱测检测科技有限公司 A kind of standard lever used convenient for adjusting
CN109297635A (en) * 2018-09-21 2019-02-01 苏州莱测检测科技有限公司 A kind of portable handling standard lever

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104359616A (en) * 2014-11-19 2015-02-18 中国船舶重工集团公司第七○四研究所 Synchronous motion control system of balance mechanism of ultra-large torque standard machine
CN104359616B (en) * 2014-11-19 2016-07-06 中国船舶重工集团公司第七0四研究所 Ultra-large type standard torquer balanced controls synchronizing moving controls system
CN104359618A (en) * 2014-12-03 2015-02-18 中国北方车辆研究所 Device for field calibration of dynamometer torquemeter of rotary mechanical test bed
CN107219036A (en) * 2017-05-05 2017-09-29 中国计量科学研究院 The small force value standard set-up of dead weight type safe supported based on air-bearing
CN107219036B (en) * 2017-05-05 2020-09-01 中国计量科学研究院 Dead weight type micro-force value standard device based on air bearing support
CN109282926A (en) * 2018-09-21 2019-01-29 苏州莱测检测科技有限公司 A kind of standard lever used convenient for adjusting
CN109297635A (en) * 2018-09-21 2019-02-01 苏州莱测检测科技有限公司 A kind of portable handling standard lever

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GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20140716

Termination date: 20220121