CN202403871U - Height regulating device of force standard machine - Google Patents
Height regulating device of force standard machine Download PDFInfo
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- CN202403871U CN202403871U CN2011205600390U CN201120560039U CN202403871U CN 202403871 U CN202403871 U CN 202403871U CN 2011205600390 U CN2011205600390 U CN 2011205600390U CN 201120560039 U CN201120560039 U CN 201120560039U CN 202403871 U CN202403871 U CN 202403871U
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- upper beam
- bearing plate
- screw
- pad
- force standard
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Abstract
A height regulating device of a force standard machine comprises a machine frame, a motor at the top end of the machine frame, two screw rods, two fixing blocks, two bearing fixed at the top end of the machine frame, two screw caps, a pressure bearing plate and two lifting slide blocks, wherein the machine frame comprises an upper beam and four side beams; the two screw rods are positioned on the two side surfaces of the upper beam respectively; each screw rod is arranged between two side beams; threads are arranged on the outer surface of each screw rod; the two fixing blocks are arranged on the two side surfaces of the upper beam respectively; each fixing block is sleeved on one screw rod and is positioned between two side beams; each bearing is sleeved on one screw cap; each screw cap is sleeved on one screw rod; the screw caps are in chain connection with the motor through a conveyor belt; the pressure bearing plate is positioned inside the machine frame; grooves are correspondingly formed in the two side surfaces of the pressure bearing plate respectively; each lifting slide block is sleeved at the bottom end of one screw rod; and the lifting slide blocks are inserted into the grooves corresponding to one end of the pressure bearing plate. The utility model provides the height regulating device with a novel structure.
Description
[technical field]
The utility model relates to a kind of arrangement for adjusting height, is specifically related to a kind of arrangement for adjusting height of force standard machines.
[background technology]
The power value is indispensable important physical amount in industrial and agricultural production, national defense construction and scientific research; The range size of force standard machines and the height of metering performance level are the important symbols of industry, national defence and the scientific research field strategy competitive power of a country of reflection.The range of the force standard machines of present domestic maximum is 30MN; Along with domestic industry production and science and technology development; The measurement increasing demand of value is energetically increased; Therefore it is accurate to need to set up bigger power value disjunction mark, build the needs of development to satisfy state aviation space industry, nuclear power, metallurgy, machinery and large bridge building, so the applicant has researched and developed the force standard machines that a kind of range is 60MN.
Force standard machines is when work; When the oil cylinder of force standard machines makes progress power output; According to the transfer principle of power, measured workpiece also can receive the acting force that makes progress, if between the upper beam of measured workpiece and force standard machines frame a segment distance is arranged; Then measured workpiece can move upward, cause measured workpiece not stress or the center of gravity of measured workpiece overhead higher.Thereby force standard machines is in when work, and is different according to the height of measured workpiece, needs the height of adjustment test space, lives so that measured workpiece is can be in the frame of force standard machines restrained, thereby realizes measuring the load-carrying ability of measured workpiece.Especially when measured workpiece is load case or rubber support; The height of load case and rubber support all lower (generally only about 300mm), weight are big; Be to guarantee the security measurement of load case or rubber support, thereby the center of gravity of load case or rubber support is overhead relatively low when measuring.
The arrangement for adjusting height of existing force standard machines is as shown in Figure 3 mainly to be comprised: one put the beams in place 100 ', four all be arranged in said upper beam 100 ' curb girder 200 ' and motor 300 ', every said curb girder 200 ' outside surface be equipped with first screw thread 201 '.Fig. 4 for put the beams in place 100 in the existing arrangement for adjusting height ' with a curb girder 200 ' cooperation figure; Fig. 5 be existing arrangement for adjusting height middle sprocket 3 ', first bevel gear 5 ', second bevel gear 6 ', worm screw 7 ' and worm gear 8 ' cooperation figure.Shown in Fig. 4-5; Motor 300 ' through chain 2 ' with sprocket wheel 3 ' be connected; Sprocket wheel 3 ' through first rotating shaft 4 ' with first bevel gear 5 ' be connected; First bevel gear 5 ' with second bevel gear 6 ' be meshing with each other, second bevel gear 6 ' with worm screw 7 ' be connected, worm screw 7 ' with worm gear 8 ' be meshing with each other; Said worm gear 8 ' be sheathed on curb girder 200 ' go up and worm gear 8 ' through surface bearing 9 ' with upper beam 100 ' be connected, worm gear 8 ' inwall be provided with said curb girder 200 ' second screw thread (not shown) of first screw thread 201 ' match.The principle of work of this arrangement for adjusting height is: motor 1 ' drive chain 2 ' rotation; Chain 2 ' drive sprocket wheel 3 ' rotation, sprocket wheel 3 ' through first rotating shaft 4 ' drive first bevel gear 5 ' rotation, first bevel gear 5 ' rotation drives second bevel gear 6 ' rotation; Second bevel gear 6 ' rotation drives worm screw 7 ' rotation; Worm screw 7 ' drive worm gear 8 ' rotations through over-type worm gear, and worm gear 8 ' with upper beam 100 ' through surface bearing 9 ' be connected, worm gear 8 ' rotation drive surface bearing 9 ' spheroid 91 ' rolling; Surface bearing 9 ' bearing seat 92 ' do not rotate; Worm gear 8 ' with curb girder 200 ' be to be threaded, during thereby worm gear 8 ' rotation just along curb girder 200 ' move up and down, thereby drive put the beams in place 100 ' move up and down.
If the force standard machines of value such as 60MN uses existing frame and arrangement for adjusting height energetically; When force standard machines is worked; The center of effort of existing arrangement for adjusting height is four curb girders, and four curb girders hold the power so big like 60MN of can't stand, certainly will cause the frame damage of force standard machines.
[utility model content]
The utility model technical matters to be solved is to provide a kind of arrangement for adjusting height of force standard machines, and a kind of arrangement for adjusting height of brand new is provided.
The utility model solves the problems of the technologies described above through following technical scheme: a kind of arrangement for adjusting height of force standard machines, be arranged on the frame of force standard machines, and this frame has one and puts the beams in place and four curb girders; Said arrangement for adjusting height comprises a motor, two screw mandrels, two fixed blocks, two bearings, two nuts, a bearing plate, two lifting sliders; Said motor is positioned at the top of upper beam; Said two screw mandrels lay respectively at the two sides of upper beam, and every said screw mandrel is all between two curb girders, and every said screw mandrel outside surface is equipped with screw thread; Two said fixed blocks are located at the two sides of upper beam respectively, and every said fixed block all be sheathed on the corresponding screw mandrel of this fixed block on; Every said bearing all is sheathed on the nut, and is fixedly connected with the top of putting the beams in place; Every said nut all is sheathed on the screw mandrel, and this nut links with said motor through a travelling belt; Said bearing plate is positioned at frame, and the two sides of bearing plate are respectively equipped with a groove accordingly; Every said lifting slider all tightens up with a screw mandrel and is connected, and this lifting slider inserts in the said groove corresponding to an end of bearing plate.
Preferably, this device also comprises two power sources, and two said power sources lay respectively at the below of two screw mandrels; Every said power source all contains one first back up pad, one second back up pad and an oil cylinder; Said first back up pad and second back up pad all are fixed between two curb girders, and this first back up pad is sheathed on said oil cylinder top; Said oil cylinder is between the screw mandrel and second back up pad.
Preferably, this device also comprises at least one backing plate that places on the said bearing plate.
Preferably, said frame also comprises a base; Said upper beam is the inverted T-shaped structure, the T-shaped structure of said base; Said four curb girders are two pairs of spill frameworks that are provided with in opposite directions in twos, and whenever this spill framework all contains two teats; One teat of every said spill framework and the horizontal edge of upper beam fasten; Another teat of this spill framework and the horizontal edge of base fasten; And the horizontal edge lateral edges of said upper beam and base all fits in the inward flange of spill framework, and the vertical edge lateral edges of said upper beam and base is all fitted with the top of teat; The vertical edge length value of said base equals the top width value of teat.
The beneficial effect of the utility model is: through a motor, two screw mandrels, two fixed blocks, two bearings, two nuts, a bearing plate, two lifting sliders are set on each orientation of frame, can be combined into the arrangement for adjusting height of a brand-new force standard machines.
[description of drawings]
Combine embodiment that the utility model is done further to describe with reference to the accompanying drawings.
Fig. 1 is the perspective view of the utility model.
Fig. 2 cooperates figure (wherein partly analysing and observe) for lifting slider in the utility model and bearing plate.
Fig. 3 is the overall schematic of existing arrangement for adjusting height.
Fig. 4 is the figure that cooperates of a curb girder and upper beam in the existing arrangement for adjusting height.
Fig. 5 is the cooperation figure of existing arrangement for adjusting height middle sprocket, first bevel gear, second bevel gear, worm and worm wheel.
[embodiment]
As shown in Figure 1; A kind of arrangement for adjusting height of force standard machines; Be arranged on the frame 2 of force standard machines, said arrangement for adjusting height comprises a motor 1, two screw mandrels 3, two fixed blocks 4, two bearings (not shown), two nuts 5, a bearing plate 6, two lifting sliders 7, at least one backing plate 8, two power sources 9 that place on the said bearing plate 6.
Please consult Fig. 1 again, said frame 2 has upper beam 21, one base 22 and four curb girders; Said upper beam 21 is the inverted T-shaped structure, said base 22 T-shaped structures; Said four curb girders are two pairs of spill frameworks 23 that are provided with in opposite directions in twos, and whenever this spill framework 23 all contains two teats 231; One teat 231 of every said spill framework 23 fastens with the horizontal edge 211 of upper beam 21; Another teat 231 of this spill framework 23 fastens with the horizontal edge 221 of base 22; And horizontal edge 221 lateral edges of the horizontal edge 211 of said upper beam 21, base 22 all fit in the inward flange of spill framework 23, and vertical edge 222 lateral edges of the vertical edge 212 of said upper beam 21, base 22 are all fitted with the top 2311 of teat 231; Vertical edge 222 length values of said base 22 equal top 2311 width values of teat 231.
Please consult Fig. 1 again, said motor 1 is positioned at the top 213 of upper beam 21.Said two screw mandrels 3 lay respectively at 21 the two sides of putting the beams in place, and every said screw mandrel 3 is all between two curb girders, and every said screw mandrel 3 outside surfaces are equipped with screw thread (not shown).Two said fixed blocks 4 are located at 21 the two sides of putting the beams in place respectively, and every said fixed block 4 is all between two curb girders, every said fixed block 4 all be sheathed on this fixed block 4 corresponding screw mandrels 3 on.
Please consult Fig. 1-2 again, every said bearing (not shown) all is sheathed on the nut 5, and is fixedly connected with the top 213 of upper beam 21.Every said nut 5 all is sheathed on the screw mandrel 3, and this nut 5 links with said motor 1 through a travelling belt 12; Two said nuts 5 lay respectively at the top of two fixed blocks 4.Said bearing plate 6 is positioned at frame 2, and the two sides of bearing plate 6 are respectively equipped with a groove 61 accordingly.Every said lifting slider 7 all tightens up the bottom that is connected and is sheathed on this screw mandrel 3 with a screw mandrel 3, and this lifting slider 7 inserts in the said groove 61 corresponding to an end of bearing plate 6.
Please consult Fig. 1 again, the quantity of said backing plate 8 and thickness is according to the height setting of measured workpiece, when the height value of measured workpiece is big, the negligible amounts of then required backing plate 8, when the height value of measured workpiece hour, the quantity of then required backing plate 8 is more.The setting of said backing plate 8 makes force standard machines when Measuring Object, can not receive the limitation in height of measured workpiece, and the quantity through backing plate 8 and the independent assortment of thickness are realized the fixed constraint of measured workpiece.
Two said power sources 9 lay respectively at the below of two screw mandrels 3; Every said power source 9 all contains one first back up pad 91, one second back up pad 92 and an oil cylinder 93.Two curb girders that every said first back up pad 91 and second back up pad 92 all are fixed in frame 2 sides are between the two spill frameworks 23, and this first back up pad 91 is sheathed on said oil cylinder 93 tops; Said second back up pad 92 is positioned at the below of first back up pad 91; Said oil cylinder 93 is between the screw mandrel 3 and second back up pad 92.The setting of said first back up pad 91 and second back up pad 92 is to be used for support cylinder 93.The setting of oil cylinder 93, the rising that can be screw mandrel 3 assemblies such as grade provides power, also can be screw mandrel 3, bearing plate 6 and backing plate 8 and provides support power, to reduce the power that two leading screws 3 are born.
When using the utility model work, calculate the quantity and the thickness of required backing plate 8 earlier according to the height of measured workpiece, starter motor 1 then, and motor 1 drives two nuts 5 and rotates.Because motor 1 has the double steering function that rotates and reverse, thereby nut 5 also can realize the double steering function that rotates and reverse, and again because be arranged with a bearing (not shown) on the nut 5, thereby nut 5 can keep horizontal level constant when rotating.Can realize that by 5 rotations of two nuts two screw mandrels 3 move up or down; Two screw mandrels 3 drive two lifting sliders 7 respectively and move up or down then; The backing plate 8 that is driven together on bearing plate 6 and the bearing plate 6 by two lifting sliders 7 again moves up or down; Arrive the precalculated position at last, thereby realize the height of the test space of adjusting force standard machines.When motor 1 is just being quoted two screw mandrels 3 and is being moved up with lifting slider 7 assemblies such as grade; Can be through control system to said oil cylinder 93 oil-feeds; The piston of oil cylinder 93 is moved upward, for the rising of screw mandrel 3, bearing plate 6 and backing plate 8 provides power and anchorage force, to reduce the power that two leading screws bear.Because two lifting sliders 7 are same moved further; So in backing plate 8 processes of two lifting sliders 7 on driving bearing plate 6 and bearing plate 6; Backing plate 8 on bearing plate 6 and the bearing plate 6 can keep level not tilt, thereby the phenomenon of backing plate 8 landings on the bearing plate 6 can not take place.Because the screw mandrel 3 and the nut 5 that cooperatively interact have auto-lock function, in the utility model course of work, when nut 5 stopped operating, screw mandrel 3 also can stop to move immediately, thereby can protect the assemblies such as backing plate 8 on bearing plate 6 and the bearing plate 6 can not fall.
When force standard machines is worked; Measured workpiece is positioned under the said bearing plate 6; Bearing plate 6 is applied vertically upward an acting force, and according to the transfer principle of power, the upper beam 21 of frame 2 can receive vertically upward a power; And put the beams in place 21 can will the masterpiece of the suffered overwhelming majority be used for spill framework 23 through 21 the horizontal edge 211 of putting the beams in place teat 231, reduced the shearing force that the binding face 23a of spill framework 23 and upper beam 21 is produced greatly.The utility model is that face is stressed, thereby can the very big power of load, can be used as the arrangement for adjusting height of the force standard machines that is worth the 60MN that force standard machines such as the applicant research and develop voluntarily energetically.
The utility model is the arrangement for adjusting height of a brand new, also can be used as the arrangement for adjusting height of force standard machines general in the prior art.
Claims (4)
1. the arrangement for adjusting height of a force standard machines is arranged on the frame of force standard machines, and this frame has one and puts the beams in place and four curb girders; It is characterized in that: said arrangement for adjusting height comprises a motor, two screw mandrels, two fixed blocks, two bearings, two nuts, a bearing plate, two lifting sliders; Said motor is positioned at the top of upper beam; Said two screw mandrels lay respectively at the two sides of upper beam, and every said screw mandrel is all between two curb girders, and every said screw mandrel outside surface is equipped with screw thread; Two said fixed blocks are located at the two sides of upper beam respectively, and every said fixed block all be sheathed on the corresponding screw mandrel of this fixed block on; Every said bearing all is sheathed on the nut, and is fixedly connected with the top of putting the beams in place; Every said nut all is sheathed on the screw mandrel, and this nut links with said motor through a travelling belt; Said bearing plate is positioned at frame, and the two sides of bearing plate are respectively equipped with a groove accordingly; Every said lifting slider all tightens up with a screw mandrel and is connected, and this lifting slider inserts in the said groove corresponding to an end of bearing plate.
2. the arrangement for adjusting height of force standard machines as claimed in claim 1, it is characterized in that: this device also comprises two power sources, two said power sources lay respectively at the below of two screw mandrels; Every said power source all contains one first back up pad, one second back up pad and an oil cylinder; Said first back up pad and second back up pad all are fixed between two curb girders, and this first back up pad is sheathed on said oil cylinder top; Said oil cylinder is between the screw mandrel and second back up pad.
3. the arrangement for adjusting height of force standard machines as claimed in claim 1, it is characterized in that: this device also comprises at least one backing plate that places on the said bearing plate.
4. the arrangement for adjusting height of force standard machines as claimed in claim 1, it is characterized in that: said frame also comprises a base; Said upper beam is the inverted T-shaped structure, the T-shaped structure of said base; Said four curb girders are two pairs of spill frameworks that are provided with in opposite directions in twos, and whenever this spill framework all contains two teats; One teat of every said spill framework and the horizontal edge of upper beam fasten; Another teat of this spill framework and the horizontal edge of base fasten; And the horizontal edge lateral edges of said upper beam and base all fits in the inward flange of spill framework, and the vertical edge lateral edges of said upper beam and base is all fitted with the top of teat; The vertical edge length value of said base equals the top width value of teat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205600390U CN202403871U (en) | 2011-12-28 | 2011-12-28 | Height regulating device of force standard machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205600390U CN202403871U (en) | 2011-12-28 | 2011-12-28 | Height regulating device of force standard machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202403871U true CN202403871U (en) | 2012-08-29 |
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ID=46701513
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205600390U Expired - Lifetime CN202403871U (en) | 2011-12-28 | 2011-12-28 | Height regulating device of force standard machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202403871U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102564687A (en) * | 2011-12-28 | 2012-07-11 | 福建省计量科学研究院 | Height adjusting device for force standard machine |
-
2011
- 2011-12-28 CN CN2011205600390U patent/CN202403871U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102564687A (en) * | 2011-12-28 | 2012-07-11 | 福建省计量科学研究院 | Height adjusting device for force standard machine |
| CN102564687B (en) * | 2011-12-28 | 2013-10-09 | 福建省计量科学研究院 | Height adjusting device for force standard machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20120829 Effective date of abandoning: 20131009 |
|
| RGAV | Abandon patent right to avoid regrant |