CN105004477A - Weight automatic loading device - Google Patents
Weight automatic loading device Download PDFInfo
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- CN105004477A CN105004477A CN201510505909.7A CN201510505909A CN105004477A CN 105004477 A CN105004477 A CN 105004477A CN 201510505909 A CN201510505909 A CN 201510505909A CN 105004477 A CN105004477 A CN 105004477A
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Abstract
The invention provides a weight automatic loading device, which comprises a suspension component (1), a rotary lifting platform (3), a bearing component (4) and a weight set (2), and is characterized in that the suspension component (1) is suspended on a force arm beam of a torque standard machine; the rotary lifting platform (3) can rotate in the positive and negative directions and can rise and all along the vertical direction; the bearing component (4) is arranged on the rotary lifting platform (3) and can rotate, rise and fall along with the rotary lifting platform (3); and the weight set (2) comprises at least one weight and is borne by the bearing component (4), and one or more weights of the weight set (2) is/are suspended to the force arm beam of the torque standard machine through the suspension component (1). The weight automatic loading device has the advantage that weights can be loaded for the torque standard machine automatically, thereby being conducive to realizing full-automatic operations of the torque standard machine.
Description
Technical field
The present invention relates to torsion-testing field, particularly a kind of counterweight automatic loading device.
Background technology
Dead weight type safe standard torquer is a kind of high precision application torque metering equipment.This equipment is combined by the standard arm of force and standard test weight.During use, the standard arm of force hangs up appropriate standard test weight and forms standard torque value, for measuring tested torque sensor.According to the measurement range demand of measured torque sensor, the weight group of different configuration need be adopted at every turn.Usually can adopt the artificial mode loaded at present, the counterweight needed for manually selecting is placed on weight tray frame and loads, and still can not realize the fully automatic operation of whole set equipment.
Summary of the invention
The object of the invention is to solve standard torquer to still need the artificial problem loading counterweight.
The solution that the present invention adopts is:
A kind of counterweight automatic loading device, comprising: suspension member, described suspension member hangs on the arm of force beam of standard torquer; Rotary elevating platform, described rotary elevating platform can forward and reverse rotation and being vertically elevated; Load bearing component, described load bearing component is arranged on described rotary elevating platform, can rotate and lifting with described rotary elevating platform; And weight group, described weight group comprises at least one counterweight and is carried by described load bearing component, and the one or more counterweights in described weight group can suspend the arm of force beam of extremely described standard torquer in midair by described suspension member.
Preferably, described weight group comprises at least one group of counterweight, often organizes counterweight and comprises a counterweight or mounted on top and multiple identical in quality, the counterweight that external diameter is equal that link together.
Preferably, often organize counterweight that to be centrally located at the center of institute's load bearing component be the center of circle is circumferentially same.
Preferably, the top often organizing the one piece of counterweight in the top of counterweight is T-shaped suspension hook with longitudinal profile.
Preferably, the periphery often organizing the one piece of counterweight in the top of counterweight arranges at least one hanger being undertaken by connecting pin connecting, and described hanger lower end is provided with waist-shaped hole, and the bearing pin for lower one deck counterweight passes; Often organize second piece of the counterweight periphery to second from the bottom piece of counterweight and at least one hanger being undertaken connecting by connecting pin and at least one bearing pin are set, described hanger lower end is provided with waist-shaped hole, bearing pin for lower one deck counterweight passes, and described bearing pin is through the waist-shaped hole of the hanger of last layer counterweight; The periphery often organizing bottom one piece of counterweight of counterweight arranges at least one bearing pin.
Preferably, described suspension member is rectangular shaped rim structure, and lower frame is provided with the notch passed for described suspension hook.
Preferably, be provided with groove bottom every block counterweight, top corresponds to described groove and is provided with projection, thus described projection can be inserted in the groove of last layer counterweight.
Preferably, often organize below counterweight and be provided with step, thus often group counterweight top is in same level position.
Preferably, described rotary elevating platform comprises: base; Elevating mechanism, be arranged on described base, described elevating mechanism comprises lifting drive motor, first load bearing component that can move up and down, is connected to the elevating drive mechanism of described lifting drive motor and described first load bearing component, and described elevating drive mechanism is used for the rotary motion of described lifting drive motor to be converted to moving up and down of described first load bearing component; Rotating mechanism, described rotating mechanism comprises rotary drive motor, second load bearing component that can rotate, is connected to the rotating actuator of described rotary drive motor and described second load bearing component, and described rotating actuator is used for the rotary motion of described rotary drive motor to be passed to described second load bearing component; And supporting mechanism, described second load bearing component to be supported in above described first load bearing component and to allow described second load bearing component to rotate by described supporting mechanism.
Preferably, described elevating drive mechanism comprise be connected to described lifting drive motor worm screw, with the worm gear of described worm mesh and the screw mandrel being fixedly attached to described worm gear, described first load bearing component is fixedly attached to described leading screw; Described rotating actuator comprises the outer rotor being connected to described rotary drive motor, and described outer rotor is meshed with the annular wheel arranged bottom described second load bearing component; Described supporting mechanism is large bearing, and the outside of described large bearing is fixed on described first load bearing component, and inner side and described second load bearing component are fixed, thus supports described second load bearing component and allow described second load bearing component to rotate.
Advantage of the present invention can automatically load counterweight for standard torquer, contributes to the fully automatic operation realizing standard torquer.
Accompanying drawing explanation
In conjunction with the drawings exemplary embodiment of the invention is described in more detail, above-mentioned and other object of the present invention, Characteristics and advantages will become more obvious, wherein, in exemplary embodiment of the invention, identical reference number represents same parts usually.
Fig. 1 is the structural representation of the counterweight automatic loading device according to exemplary embodiment.
Fig. 2 is weight group's distribution schematic diagram of the counterweight automatic loading device according to exemplary embodiment.
Fig. 3 is the counterweight schematic diagram of the counterweight automatic loading device according to exemplary embodiment.
Fig. 4 is counterweight suspension hook according to the counterweight automatic loading device of exemplary embodiment and suspension member schematic diagram.
Fig. 5 is the rotary elevating platform schematic diagram of the counterweight automatic loading device according to exemplary embodiment.
Main Reference Numerals is as follows:
1-claw hook, 2-weight group, 3-rotary elevating platform, 4-pallet, 5-base, 6-universal joint, 7-suspension hook 7,8-hanger, 9-bearing pin, 10-groove, 11-is protruding, 21-base, 22-guide pole, 23-linear bearing, 24-thrust bearing, 25-rolling bearing, 26-worm gear, 27-worm screw, 28-is elevated drive motor, 29-leading screw, 30-signal receiver, 31-signal generator, 32-motor, 33-outer rotor, 34-rotary-tray, 35-bearing, 36-lifting tray, 37-support, 38-signal receiver, 39-support, 40-signal generator.
Embodiment
In more detail the preferred embodiment of the present invention is described below with reference to accompanying drawings.Although show the preferred embodiment of the present invention in accompanying drawing, but should be appreciated that, the present invention can be realized in a variety of manners and not should limit by the embodiment of setting forth here.On the contrary, provide these embodiments to be to make the present invention more thorough and complete, and scope of the present invention intactly can be conveyed to those skilled in the art.
Counterweight automatic loading device according to the present invention comprises suspension member, rotary elevating platform, load bearing component and weight group.Suspension member hangs on the arm of force beam of standard torquer, for suspending counterweight in midair.Rotary elevating platform can forward and reverse rotation and being vertically elevated.Load bearing component is arranged on rotary elevating platform, and can rotate and lifting with described rotary elevating platform, in the exemplary embodiment, load bearing component is pallet, but it also can be other suitable parts.Weight group comprises at least one counterweight, is carried by described load bearing component, and the one or more counterweights in weight group can by suspension member suspention on the arm of force beam of standard torquer.
Weight group can comprise at least one group of counterweight, often organizes counterweight and comprises a counterweight or mounted on top and multiple identical in quality, the counterweight that external diameter is equal that link together.In the exemplary embodiment, weight group comprises 4 groups of counterweights, and often group comprises multiple counterweight.But obviously, the quantity of weight group can be arbitrary, the number often organizing counterweight in counterweight also can be arbitrary, as long as can carried member supporting.
The center often organizing counterweight is preferably located in the center of institute's load bearing component, and to be the center of circle circumferentially same, thus when load bearing component rotates, can make the below of central rotation to suspension member of any one group of counterweight, improves counterweight loading efficiency.
Preferably, the top often organizing the one piece of counterweight in the top of counterweight can be T-shaped suspension hook with longitudinal profile.Suspension member is rectangular shaped rim structure, and lower frame is provided with the notch passed for suspension hook.Obviously, other structures that one piece, the top counterweight and suspension member also can take those skilled in the art easily to expect, as long as first piece of counterweight can be sling by suspension member.
The periphery often organizing the one piece of counterweight in the top of counterweight arranges at least one hanger being undertaken by connecting pin connecting, and hanger lower end is provided with waist-shaped hole, and the bearing pin for lower one deck counterweight passes.Often organize second piece of the counterweight periphery to second from the bottom piece of counterweight and at least one hanger being undertaken connecting by connecting pin and at least one bearing pin are set, hanger lower end is also provided with waist-shaped hole, bearing pin for lower one deck counterweight passes, and bearing pin is through the waist-shaped hole of the hanger of last layer counterweight.The periphery often organizing bottom one piece of counterweight of counterweight arranges at least one bearing pin.In the exemplary embodiment, every hanger of block counterweight and the quantity of bearing pin are 3, but can change the quantity of hanger and bearing pin as required.In addition, it will be understood by those skilled in the art that and also one group of counterweight can be coupled together from top to bottom by other vibrational power flow, thus one or more counterweight in one group of counterweight all can be suspended on arm of force beam.
In order to prevent the counterweight relative sliding of adjacent layer, preferably, be provided with groove bottom every block counterweight, top corresponds to groove and is provided with projection, and projection can be inserted in the groove of last layer counterweight, plays positioning action.
Under preferable case, often organize below counterweight and be provided with step, thus often group counterweight top is in same level position, can improve counterweight loading efficiency.
Rotary elevating platform can comprise base, elevating mechanism, rotating mechanism and supporting mechanism.Elevating mechanism is arranged on base, can comprise lifting drive motor, first load bearing component that can move up and down, be connected to the elevating drive mechanism being elevated drive motor and the first load bearing component.Elevating drive mechanism is used for the rotary motion of lifting drive motor to be converted to moving up and down of the first load bearing component.Rotating mechanism can comprise rotary drive motor, second load bearing component that can rotate, the rotating actuator that is connected to rotary drive motor and the second load bearing component.Rotating actuator is used for the rotary motion of rotary drive motor to be passed to the second load bearing component.Second load bearing component to be supported in above the first load bearing component and to allow the second load bearing component to rotate by supporting mechanism.
Preferably, elevating drive mechanism can comprise be connected to lifting drive motor worm screw, with the worm gear of worm mesh and the screw mandrel being fixedly attached to worm gear, the first load bearing component is fixedly attached to leading screw.Rotating actuator can comprise the outer rotor being connected to rotary drive motor, and outer rotor is meshed with the annular wheel arranged bottom the second load bearing component.Described supporting mechanism can be large bearing, and the outside of large bearing is fixed on the first load bearing component, and inner side and the second load bearing component are fixed, thus supports the second load bearing component and allow the second load bearing component to rotate.Obviously, other ad hoc structures that elevating drive mechanism, rotating mechanism and supporting mechanism also can adopt those skilled in the art to commonly use, as long as can realize rotation and lifting function.
Fig. 1 to Fig. 5 shows structural representation according to the counterweight automatic loading device of exemplary embodiment and critical piece schematic diagram.As shown in Figures 1 to 4, the claw hook 1 hung on standard torquer arm of force beam, rotary elevating platform 3, the weight group 2 that is arranged at the pallet 4 on rotary elevating platform 3 and carried by pallet 4 is comprised according to the counterweight automatic loading device of exemplary embodiment.
Claw hook 1 hangs on the arm of force beam of standard torquer, for suspending weight group 2 in midair.Claw hook 1 is rectangular shaped rim structure, and the notch that lower frame passes with the suspension hook 7 for counterweight.
As shown in Figures 2 to 4, in the present example embodiment, weight group 2 comprises 4 groups of counterweights.Often group comprises multiple identical in quality, counterweight that external diameter is equal, and is stacked in from bottom to up on pallet 4.The center of 4 groups of counterweights is all positioned at the center of pallet 4, and to be the center of circle circumferentially same.Arrange the position of rotary elevating platform 3 relative to claw hook 1, when pallet 4 is rotated, the center of any one group of counterweight can rotate to below claw hook 1.
Often organize one piece of counterweight top of the top in counterweight with suspension hook 7.The longitudinal profile of suspension hook 7 is T-shaped, thus suspension hook 7 can from the side (namely perpendicular to the direction of paper) enter claw hook 1, bottom panhandles is through the notch of claw hook 1, and top is suspended to the lower frame of claw hook 1, thus can be sling by claw hook 1.Uniform 3 hangers 8 of counterweight periphery.Hanger 8 is cube structure, and upper end is connected with counterweight by connecting pin, and freely can rotate around connecting pin.There is waist-shaped hole the lower end of hanger 8, can pass for the bearing pin 9 being fixed on lower one deck counterweight.Hanger 8 and the bearing pin 9 of counterweight have limit function, and adopt small―gap suture to coordinate between bearing pin 9 with hanger 8, thus hanger 8 can freely swing around bearing pin 9, make lower floor's counterweight can adaptive free suspension to upper strata counterweight, thus avoid and cross the appearance of positioning states between counterweight.
Often organize second piece of counterweight in counterweight identical to second from the bottom piece of weight structure, be provided with 3 hangers 8 and 3 bearing pins 9 that connecting pin is connected to counterweight.Hanger 8 lower end is provided with waist-shaped hole, and the bearing pin 9 for lower one deck counterweight passes.Bearing pin 9 is through the waist-shaped hole of the hanger 8 of last layer counterweight.
The one piece of counterweight often organizing bottom in counterweight only has 3 bearing pins 9, does not have hanger 8 and corresponding connecting pin.
As shown in Figure 2, hanger 8 and the bearing pin 9 of every block counterweight can not be arranged on same vertical position, contact with each other to avoid the hanger 8 of adjacent layer.
Preferably, be provided with conical socket 10 bottom every block counterweight, top corresponds to groove 10 and is provided with tapered protrusion 11, thus protruding 11 can insert in groove 10, as shown in Figure 3.Matched with the projection 11 of lower floor counterweight by the groove 10 of upper strata counterweight, levels counterweight can be kept relatively fixing, effectively realize counterweight positioning function.What can also make one group of counterweight after superposing is centrally located at same vertical straight line position, and after guaranteeing each load/unload of counterweight, position is each other consistent.
Preferably, because the height often organizing counterweight may be different, therefore can often organize the step 5 being lined with differing heights below counterweight, to ensure that each group of counterweight top is all in same level position, improve the convenience of operation.
In the preferred case, claw hook 1 upper end arranges universal joint 6, and universal joint 6 is free to rotate, thus can improve dirigibility when claw hook 1 works.
Fig. 5 display is according to the rotary elevating platform of the counterweight automatic loading device of exemplary embodiment.Rotary elevating platform 3 can move up and down under motor pushing, also can forward and reverse bidirectional rotation, thus drives the pallet 4 arranged thereon move up and down and rotate.
Rotary elevating platform 3 comprises base, elevating mechanism, rotating mechanism and supporting mechanism.
Elevating mechanism is arranged at base 21 centre position, and elevating mechanism can comprise lifting drive motor 28, the worm screw 27 being connected to lifting drive motor 28, the worm gear 26 engaged with worm screw 27, the screw mandrel 29 being fixedly attached to worm gear 26 and the lifting tray 36 being fixedly attached to leading screw 29.Elevating mechanism also can comprise the support component of other necessity as rolling bearing 25, thrust bearing 24, and is connected and fixed support.Lifting drive motor 28 rotates for driving worm screw 27, thus drives worm gear 26 translation.Worm gear 26 is fixedly connected with leading screw 29, thus drives screw mandrel 29 to rotate, and the rotation of leading screw 29 can drive the lifting tray 36 at screw mandrel 29 top to move up and down.
Can mounting bracket 39 bottom lifting tray 36, support 39 is provided with signal generator 40.Base 21 is provided with support 37, support 37 is provided with signal receiver 38, signal receiver 38 can receive the signal that described first signal generator 40 is launched.When upper and lower two groups of signal generators 40 and signal receiver 38 are all to representing time corresponding that elevating mechanism has reached decline extreme lower position.When upside signal receiver 38 and downside signal generator 40 are to representing time corresponding that elevating mechanism has reached rising extreme higher position.By regulating the position of two groups of signal generators 40 and signal receiver 38, elevating mechanism rise and fall stroke can be regulated.Signal generator 40 can be exchanged with the position of signal receiver 38, and namely on support 39, install signal receiver 38, support 37 is installed signal generator 40, use principle is identical.
Signal generator 40 and signal receiver 38 can be contacts, also can be contactless.
Rotating mechanism comprises rotary drive motor 32, is connected to the outer rotor 33 of rotary drive motor 32 and rotary-tray 34.The annular wheel engaged with outer rotor 33 is provided with bottom rotary-tray 34.Rotary drive motor 32 drives outer rotor 33 to rotate, thus driven rotary pallet 34 rotates.
Bottom rotary-tray 34, signal generator 31 can be installed, with the signal receiver 30 being installed on lifting tray 36 top with the use of, rotary-tray 34 can be detected and whether rotate to precalculated position.The signal feedback detected, to rotary drive motor 32, can realize automatic control.Such as when detecting that rotary-tray 34 rotates to precalculated position, rotation-controlled drive motor 32 stops the rotation.
In the exemplary embodiment, supporting mechanism can be large bearing 35.Be fixed on outside large bearing 35 on lifting tray 36, inner side and rotary-tray 34 are fixed, thus are supported in above lifting tray 36 by rotary-tray 34, and allow rotary-tray 34 freely to rotate.
In order to ensure lifting tray maintenance level in rising and decline process, also can guiding mechanism be set, it can comprise the guide pole 22 be fixedly connected with lifting tray 36 and the linear bearing 23 be fixedly connected with base 21, guide pole 22 is through linear bearing 23 and by its support, thus the common lifting tray 36 that keeps remains on horizontality in rising and decline process.Preferably, can arrange 4 groups of guiding mechanisms, 4 groups of guiding mechanisms centered by elevating mechanism, can be distributed in the corner of base 21.
In use, according to the required range section of test, control rotation and the height of rotary elevating platform 3, make suspension hook 7 top of the one piece of counterweight in the top of required one group of counterweight a little more than bottom claw hook 1, and enter claw hook 1 sideways through the notch of claw hook 1 lower end.Decline pallet 4 subsequently, the counterweight on pallet 4 also declines thereupon, until the suspension hook 7 of the one piece of counterweight in the top is affiliated on claw hook 1.So just complete the loading of first piece of counterweight.Continue decline pallet 4, counterweight also declines thereupon, and the hanger 8 of every block counterweight is sling the bearing pin 9 of lower one deck counterweight, is sling by the counterweight of lower one deck, every block counterweight is loaded on last layer counterweight successively, until all loaded up by required counterweight.Control the height that pallet 4 declines, the number of loaded counterweight can be controlled.During unloading, rising pallet 4, each counterweight in weight group 2 is added on pallet one by one, and the suspension hook 7 of the one piece of counterweight in the top is deviate from from the notch of claw hook 1 lower end, until recover former state.
Compared with prior art, the invention has the beneficial effects as follows the automatic loading that can realize large-scale counterweight, the counterweight meeting standard torque equipment loads demand automatically.Meanwhile, counterweight automatic loading device according to the present invention, with limit function, makes counterweight load more stable, and can recover initial position after unloading.
Apply concrete example herein to set forth principle of the present invention and embodiment, the explanation of above embodiment just understands method of the present invention and core concept thereof for helping; Meanwhile, for one of ordinary skill in the art, according to thought of the present invention, all will change in specific embodiments and applications, in sum, this description should not be construed as limitation of the present invention.
Claims (10)
1. a counterweight automatic loading device, is characterized in that, comprising:
Suspension member (1), described suspension member (1) hangs on the arm of force beam of standard torquer;
Rotary elevating platform (3), described rotary elevating platform (3) can forward and reverse rotation and being vertically elevated;
Load bearing component (4), described load bearing component (4) is arranged on described rotary elevating platform (3), can rotate and lifting with described rotary elevating platform (3); And
Weight group (2), described weight group (2) comprises at least one counterweight and is carried by described load bearing component (4), and the one or more counterweights in described weight group (2) can suspend the arm of force beam of extremely described standard torquer in midair by described suspension member (1).
2. counterweight automatic loading device according to claim 1, it is characterized in that, described weight group (2) comprises at least one group of counterweight, often organizes counterweight and comprises a counterweight or mounted on top and multiple identical in quality, the counterweight that external diameter is equal that link together.
3. counterweight automatic loading device according to claim 2, is characterized in that, often organize counterweight to be centrally located at the center of institute's load bearing component (4) be the circumferentially same of the center of circle.
4. counterweight automatic loading device according to claim 2, is characterized in that, the top often organizing the one piece of counterweight in the top of counterweight is T-shaped suspension hook (7) with longitudinal profile.
5. counterweight automatic loading device according to claim 4, it is characterized in that, the periphery often organizing the one piece of counterweight in the top of counterweight arranges at least one hanger (8) being undertaken by connecting pin connecting, described hanger (8) lower end is provided with waist-shaped hole, and the bearing pin (9) for lower one deck counterweight passes;
Often organize second piece of the counterweight periphery to second from the bottom piece of counterweight and at least one hanger (8) being undertaken connecting by connecting pin and at least one bearing pin (9) are set, described hanger (8) lower end is provided with waist-shaped hole, bearing pin (9) for lower one deck counterweight passes, and described bearing pin (9) is through the waist-shaped hole of the hanger (8) of last layer counterweight;
The periphery often organizing bottom one piece of counterweight of counterweight arranges at least one bearing pin (9).
6. counterweight automatic loading device according to claim 4, is characterized in that, described suspension member (1) is rectangular shaped rim structure, and lower frame is provided with the notch passed for described suspension hook (7).
7. counterweight automatic loading device according to claim 2, it is characterized in that, groove (10) is provided with bottom every block counterweight, top corresponds to described groove (10) and is provided with projection (11), thus described projection (11) can be inserted in the groove (10) of last layer counterweight.
8. counterweight automatic loading device according to claim 2, is characterized in that, often organizes below counterweight and is provided with step (5), thus often group counterweight top is in same level position.
9. counterweight automatic loading device according to claim 1, is characterized in that, described rotary elevating platform (3) comprising:
Base;
Elevating mechanism, be arranged on described base, described elevating mechanism comprises lifting drive motor, first load bearing component that can move up and down, is connected to the elevating drive mechanism of described lifting drive motor and described first load bearing component, and described elevating drive mechanism is used for the rotary motion of described lifting drive motor to be converted to moving up and down of described first load bearing component;
Rotating mechanism, described rotating mechanism comprises rotary drive motor, second load bearing component that can rotate, is connected to the rotating actuator of described rotary drive motor and described second load bearing component, and described rotating actuator is used for the rotary motion of described rotary drive motor to be passed to described second load bearing component; And
Supporting mechanism, described second load bearing component to be supported in above described first load bearing component and to allow described second load bearing component to rotate by described supporting mechanism.
10. counterweight automatic loading device according to claim 9, it is characterized in that, described elevating drive mechanism comprise be connected to described lifting drive motor worm screw, with the worm gear of described worm mesh and the screw mandrel being fixedly attached to described worm gear, described first load bearing component is fixedly attached to described leading screw;
Described rotating actuator comprises the outer rotor being connected to described rotary drive motor, and described outer rotor is meshed with the annular wheel arranged bottom described second load bearing component;
Described supporting mechanism is large bearing, and the outside of described large bearing is fixed on described first load bearing component, and inner side and described second load bearing component are fixed, thus supports described second load bearing component and allow described second load bearing component to rotate.
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| CN107830953A (en) * | 2017-12-08 | 2018-03-23 | 中水北方勘测设计研究有限责任公司 | Internal hanging type automatic weight loading device |
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| CN109632183A (en) * | 2019-01-22 | 2019-04-16 | 北京邮电大学 | A kind of pressure sensor calibrating experimental provision based on worm and gear |
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| CN110160817A (en) * | 2019-06-19 | 2019-08-23 | 江苏省特种设备安全监督检验研究院 | Electric block tests reinforcement poise system and its application method |
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