CN107830953A - Internal hanging type automatic weight loading device - Google Patents
Internal hanging type automatic weight loading device Download PDFInfo
- Publication number
- CN107830953A CN107830953A CN201711292327.0A CN201711292327A CN107830953A CN 107830953 A CN107830953 A CN 107830953A CN 201711292327 A CN201711292327 A CN 201711292327A CN 107830953 A CN107830953 A CN 107830953A
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- China
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- counterweight
- supporting plate
- loading machine
- hoistable platform
- hole
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- 238000012360 testing method Methods 0.000 claims abstract description 10
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 8
- 230000005611 electricity Effects 0.000 claims description 2
- 238000010276 construction Methods 0.000 abstract description 4
- 238000012423 maintenance Methods 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000000428 dust Substances 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000011065 in-situ storage Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 125000003003 spiro group Chemical group 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000002706 hydrostatic effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 230000009897 systematic effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L3/00—Measuring torque, work, mechanical power, or mechanical efficiency, in general
Abstract
The invention discloses a kind of internal hanging type automatic weight loading device, including multiple counterweights, counterweight supporting plate, ball thrust bearing, loading machine hoistable platform, lifting screw, spacing slide rail, electric reducer；Loading machine hoistable platform is slided and is fixed on spacing slide rail, loading machine hoistable platform lower plane is provided with lifting screw, electric reducer drives lifting screw to move up and down, so as to promote loading machine hoistable platform to move up and down, ball thrust bearing is located between counterweight supporting plate and loading machine hoistable platform, the stationary ring of ball thrust bearing is fixed with loading machine hoistable platform, rotating ring is fixed with counterweight supporting plate, enable 360 degree of circular-rotations of counterweight supporting plate, using being placed after interior extension connection on counterweight supporting plate, topmost counterweight is connected multiple counterweights with test device.The present invention is simple in construction, and installing/dismounting is extremely convenient, saves maintenance time and cost of labor, is advantageous to improve operating efficiency.
Description
Technical field
The present invention relates to hydraulic modeling techniques field, especially a kind of internal hanging type automatic weight loading device.
Background technology
With the development of domestic waterpower mechanical model measuring technology, Chinese waterpower mechanical model research, measuring technology are horizontal
It is significantly increased, influence in the world is also increasing.Some domestic large-scale hydraulic mechanical equipment manufacturing firms in the last few years
(including joint venture) and some institution of scientific research establish high-precision waterpower mechanical model testing stand in succession, and use is advanced
Control, computing technique, mechanical part Precision Machining, manufacture, important parameter such as flow, power (moment of torsion), pressure measxurement are using high
Accurate sensor measures, calibration in situ, and benchmark can trace back to constitutional law devise a stratagem measuring mechanism data.
The measurement of power mode of domestic and international high-precision hydraulic machinery test stand typically transmits dynamometer machine to realize using hydrostatic bearing
Power measurement, dynamometer machine force snesor need to pass through scene calibration in situ, and force snesor original position calibration accuracy directly influences work(
Rate measures, so as to have influence on the synthesis precision of model test.Force snesor calibration counterweight load mode, rig for model test early stage adopt
Counterweight is manually loaded, takes motor drive screw or external hanging type to load counterweight, the automatic loading of plug-in mode automatically later
Device, must centering integral installation in advance, extremely inconvenient during dismounting, outside mounting mode adds by the mounting of counterweight outward flange part
Work face is more, and attachment dust is endlessly cleared up, and is caused to be not easy the additional mass estimated, is influenceed Accuracy of calibration.
The content of the invention
The technical problem to be solved by the invention is to provide a kind of internal hanging type automatic weight loading device, make measuring
Force snesor original position calibration is more convenient, accurate reliable, connects counterweight by interior extension mode, is adjusted by motor driven screw rod
Section counterweight group moves up and down position, reaches the timing automatic loading of force snesor rate or off-load purpose.
In order to solve the above-mentioned technical problem, the technical solution adopted by the present invention is：A kind of internal hanging type automatic weight loading dress
Put, including multiple counterweights, counterweight supporting plate, ball thrust bearing, loading machine hoistable platform, lifting screw, spacing slide rail, electronic subtract
Fast machine；Loading machine hoistable platform is slided and is fixed on spacing slide rail, and loading machine hoistable platform lower plane is provided with lifting screw, electricity
Dynamic reductor drives lifting screw to move up and down, and so as to promote loading machine hoistable platform to move up and down, ball thrust bearing is located at
Between counterweight supporting plate and loading machine hoistable platform, stationary ring and the loading machine hoistable platform of ball thrust bearing are fixed, rotating ring and weight
Code supporting plate is fixed, and enables 360 degree of circular-rotations of counterweight supporting plate, multiple counterweights after interior extension connection using placing on counterweight supporting plate, most
Top counterweight is connected with test device.
The counterweight includes upper disk and lower disc, carries one with a circle screw, lower disc bottom surface in upper disc face and encloses
Bolt mounting holes, upper disk and lower disc form a table combined closely by the bolt being screwed in screw and bolt mounting holes
The smooth cylinder in face, the bolt head of bolt are fully located in bolt mounting holes, formed with circle between upper disk and lower disc
Cavity, rectangular through hole is provided with lower disc bottom, corresponding to the position of cavity, rectangular through hole is located at lower circle
The geometric center position of disk, in the upper surface geometric center position of upper disk, protrusion is provided with "T"-shaped peg, "T"-shaped peg
Formed with the counterweight chamber communicated with the top external world in vertical beam, the nut as top cover, the horizontal stroke of "T"-shaped peg are configured with counterweight chamber
The rectangular through hole of the shape of beam and lower disc bottom matches and more smaller than through hole, and the vertical beam of "T"-shaped peg is circle
Bar, diameter are more smaller than the width of through hole, and highly the height than the cavity of circle is small, makes in two neighboring counterweight, the weight of bottom
The crossbeam of the "T"-shaped peg of code is inserted into the through hole of the lower disc of the counterweight on top, and after being rotated by 90 °, bottom counterweight is hung
The lower section of counterweight on top.
The crossbeam of the "T"-shaped peg and the junction of vertical beam are cambered surface rounding, and bottom counterweight is suspended under the counterweight of top
Fang Shi, the upper edge of through hole are just stuck in horizontal plane and the position of cambered surface rounding handing-over of below the crossbeam, ensure loading direction
All the time straight down.
The beneficial effects of the invention are as follows：Simple in construction, installing/dismounting is extremely convenient, saves maintenance time and cost of labor,
Be advantageous to improve operating efficiency.
Brief description of the drawings
Fig. 1 is the structural representation of internal hanging type automatic weight loading device of the present invention；
Fig. 2 is the structural representation of the counterweight of internal hanging type automatic weight loading device of the present invention；
Fig. 3 is the bottom schematic view of the counterweight lower disc of internal hanging type automatic weight loading device of the present invention；
Fig. 4 is the schematical top view of disk on the counterweight of internal hanging type automatic weight loading device of the present invention；
Embodiment
The present invention is described in further detail with reference to the accompanying drawings and detailed description：
As Figure 1-4, internal hanging type automatic weight loading device of the invention, including multiple counterweights 2, counterweight supporting plate 3, rolling
Pearl thrust bearing 4, loading machine hoistable platform 5, lifting screw 6, spacing slide rail 7, electric reducer 8；Loading machine hoistable platform 5 is slided
Dynamic to be fixed on spacing slide rail 7, the lower plane of loading machine hoistable platform 5 is provided with lifting screw 6, and electric reducer 8 drives lifting
Screw rod 6 moves up and down, and so as to promote loading machine hoistable platform 5 to move up and down, ball thrust bearing 4 is located at counterweight supporting plate 3 and added
Between carrier aircraft hoistable platform 5, stationary ring and the loading machine hoistable platform 5 of ball thrust bearing are fixed, and rotating ring is solid with counterweight supporting plate 3
It is fixed, 3 360 degree of circular-rotations of counterweight supporting plate, multiple counterweights 2 is placed after being connected using interior extension on counterweight supporting plate 3, topmost weight
Code is connected with test device.
The counterweight 2 includes upper disk 11 and lower disc 12, and a circle screw 17, the bottom of lower disc 12 are carried on the upper face of disk 11
With a circle bolt mounting holes 18, upper disk 11 and lower disc 12 pass through the bolt that is screwed in screw 17 and bolt mounting holes 18 in face
13 form the smooth cylinder in a surface combined closely, and the bolt head of bolt 13 is fully located in bolt mounting holes 18, upper circle
Cavity 20 formed with circle between disk 11 and lower disc 12, length is provided with the bottom of lower disc 12, the position corresponding to cavity
Square through hole 16, rectangular through hole 16 are located at the geometric center position of lower disc 12, in the upper surface of upper disk 11
Geometric center position protrusion is provided with "T"-shaped peg 14, formed with matching somebody with somebody with what the top external world communicated in the vertical beam of "T"-shaped peg 14
Weight chamber 9, the nut 15 as closure, shape and the bottom of lower disc 12 of the crossbeam of "T"-shaped peg 14 are configured with counterweight chamber 9
Rectangular through hole 16 matches and more smaller than through hole 16, " vertical beam of T " shapes peg 14 is round bar, diameter is than through hole 16
Width it is smaller, highly than circle cavity 20 height it is small, make in two neighboring counterweight, the "T"-shaped peg of the counterweight of bottom
14 crossbeam is inserted into the through hole 16 of the lower disc 12 of the counterweight on top, and after being rotated by 90 °, bottom counterweight hangs over top
The lower section of counterweight.
The crossbeam of the "T"-shaped peg 14 and the junction of vertical beam are cambered surface rounding, and bottom counterweight is suspended on top counterweight
During lower section, the upper edge of through hole 16 is just stuck in horizontal plane and the position of cambered surface rounding handing-over of below the crossbeam, ensures loading
Direction is all the time straight down.
The application method of internal hanging type automatic weight loading device of the present invention is as follows：
The counterweight automatic loading device of the present invention carries out counterweight connection using interior extension mode, and its implementation is：Topmost
Counterweight and test device 1 are connected using pin, and remaining counterweight is connected with interior extension mode, during different operating mode calibrations, are subtracted by electronic
Fast machine 8 drives screw rod 6, promotes loading machine hoistable platform 5 to lift and reduces counterweight position, and during loading, reduction spiro rod length makes weight
Code mounting, increases weight；During off-load, rise spiro rod length departs from counterweight, reduces weight.
Specifically, counterweight is increased and decreased：Gap is 10mm between after upper and lower counterweight mounting, and control electric reducer 8 rotates forward, and adds
Carrier aircraft hoistable platform 5 is moved up, and controls following counterweight and top counterweight gap between 3~7mm during position, and off-load is completed,
The top counterweight of this counterweight is load；Otherwise control electric reducer 8 inverts, loading machine hoistable platform 5 moves down, and is added
Carry.Dismount counterweight：Select the counterweight that will dismantle, by controlling hoistable platform, be at top counterweight gap 3~
Between 7mm during position, because counterweight supporting plate bottom is provided with ball thrust bearing 4, it is convenient to weight by counterweight supporting plate and thereon
Code is rotated by 90 °, and declines hoistable platform, and the counterweight that will be dismantled disengages with its top counterweight, that is, completes counterweight dismounting, instead
Counterweight can be then installed.
The present invention is rounding camber by the contact site between two counterweights using the automatic loading counterweight of interior extension mode
Formula, can adjust automatically center of gravity, ensure that center position for straight down, realizes counterweight automatic centering, ensure that the essence of calibration loading
Exactness；Smooth in appearance is convenient to clean dust, dirt, ensures that loaded weight does not increase additional mass, inside without excessive machined surface
Setting for cavity can ensure the uniformity of each counterbalance mass to increase and decrease lead button inside counterweight chamber 9；When safeguarding, manually by weight
Ball thrust bearing 4 on code supporting plate is rotated by 90 ° and can easily carry out counterweight mounting and remove, simple in construction, installing/dismounting
It is extremely convenient, maintenance time and cost of labor are saved, is advantageous to improve operating efficiency.
The present invention can be used for timing automatic loading (off-load) weight of hydraulic machinery test stand dynamometer machine force snesor original position rate
Code, reduce the device of systematic error when manual operation is intervened.It is characterized in：Each counterweight is connected using interior extension mode, counterweight
Between coordinated by machined surface and rounding cambered surface can be with adjust automatically orthocenter, counterweight is automatically in a vertical line after ensureing carry
On, making loading steadily of centre of gravity, improve Accuracy of calibration, outer smooth is easy to clear up without processing groove, during calibration, electric reducer
Drive loading machine hoistable platform move up and down carry out plus, off-loading carry, reach given weight purpose, it is simple in construction, be easy to dismount.
Embodiment described above is merely to illustrate the technological thought and feature of the present invention, in the art its object is to make
Technical staff it will be appreciated that present disclosure and implementing according to this, it is impossible to the patent model of the present invention is only limited with the present embodiment
Enclose, i.e., the equal change or modification that all disclosed spirit is made, still fall in the scope of the claims of the present invention.
Claims (3)
1. a kind of internal hanging type automatic weight loading device, it is characterised in that including multiple counterweights (2), counterweight supporting plate (3), ball
Thrust bearing (4), loading machine hoistable platform (5), lifting screw (6), spacing slide rail (7), electric reducer (8)；Loading machine liter
Drop platform (5) is slided and is fixed on spacing slide rail (7), and loading machine hoistable platform (5) lower plane is provided with lifting screw (6), electricity
Dynamic reductor (8) drives lifting screw (6) to move up and down, so as to promote loading machine hoistable platform (5) to move up and down, Roller thrust
Bearing (4) is located between counterweight supporting plate (3) and loading machine hoistable platform (5), stationary ring and the loading machine lifting of ball thrust bearing
Platform (5) is fixed, and rotating ring is fixed with counterweight supporting plate (3), makes counterweight supporting plate (3) 360 degree of circular-rotations of energy, and multiple counterweights (2) are adopted
With being placed after interior extension connection on counterweight supporting plate (3), topmost counterweight is connected with test device.
2. internal hanging type automatic weight loading device according to claim 1, it is characterised in that the counterweight (2) includes upper circle
Disk (11) and lower disc (12), with a circle screw (17) on upper disk (11) face, lower disc (12) bottom surface is with a circle bolt
Mounting hole (18), upper disk (11) and lower disc (12) pass through the bolt (13) that is screwed in screw (17) and bolt mounting holes (18)
The smooth cylinder in a surface combined closely is formed, the bolt head of bolt (13) is fully located in bolt mounting holes (18), on
Cavity (20) formed with circle between disk (11) and lower disc (12), in lower disc (12) bottom, the position corresponding to cavity
Installing and be equipped with rectangular through hole (16), rectangular through hole (16) is located at the geometric center position of lower disc (12),
The upper surface geometric center position of upper disk (11), which is protruded, is provided with "T"-shaped peg (14), shape in the vertical beam of "T"-shaped peg (14)
The extraneous counterweight chamber (9) communicated at the top of Cheng Youyu, the nut (15) as top cover, "T"-shaped peg are configured with counterweight chamber (9)
(14) the rectangular through hole (16) of the shape of crossbeam and lower disc (12) bottom matches and more smaller than through hole (16),
The vertical beam of "T"-shaped peg (14) is round bar, and diameter is more smaller than the width of through hole (16), highly the height than circular cavity (20)
Spend small, make in two neighboring counterweight, the crossbeam of the "T"-shaped peg (14) of the counterweight of bottom is inserted into the lower circle of the counterweight on top
In the through hole (16) of disk (12), after being rotated by 90 °, bottom counterweight hangs over the lower section of top counterweight.
3. internal hanging type automatic weight loading device according to claim 2, it is characterised in that the "T"-shaped peg (14)
The junction of crossbeam and vertical beam is cambered surface rounding, when bottom counterweight is suspended on below the counterweight of top, the upper edge of through hole (16)
Horizontal plane and the position of cambered surface rounding handing-over of below the crossbeam are just stuck in, ensures loading direction all the time straight down.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711292327.0A CN107830953A (en) | 2017-12-08 | 2017-12-08 | Internal hanging type automatic weight loading device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711292327.0A CN107830953A (en) | 2017-12-08 | 2017-12-08 | Internal hanging type automatic weight loading device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107830953A true CN107830953A (en) | 2018-03-23 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711292327.0A Pending CN107830953A (en) | 2017-12-08 | 2017-12-08 | Internal hanging type automatic weight loading device |
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| Country | Link |
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| CN (1) | CN107830953A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108760297A (en) * | 2018-08-22 | 2018-11-06 | 大连交通大学 | A kind of Proportional valve load equipment |
| CN109990945A (en) * | 2019-04-29 | 2019-07-09 | 青岛迈金智能科技有限公司 | Crank power meter test benchmark system |
| CN110208306A (en) * | 2019-06-24 | 2019-09-06 | 天津旭迪聚氨酯保温防腐设备有限公司 | A kind of croop property detection device of polyurethane plastics |
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| CN201638040U (en) * | 2010-01-29 | 2010-11-17 | 上海市计量测试技术研究院 | Weight automatic loading system of piston type pressure gage |
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| CN204794228U (en) * | 2015-07-17 | 2015-11-18 | 江苏辰阳电子有限公司 | Novel convertible AC plug charger |
| CN204854945U (en) * | 2015-07-29 | 2015-12-09 | 成都太微电子科技有限公司 | Calibration arrangement for be used for weighing module |
| CN207487861U (en) * | 2017-12-08 | 2018-06-12 | 中水北方勘测设计研究有限责任公司 | A kind of internal hanging type automatic weight loading device |
-
2017
- 2017-12-08 CN CN201711292327.0A patent/CN107830953A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0627324A (en) * | 1992-07-07 | 1994-02-04 | Tdk Corp | Method for assembling optical device and assembling jig therefor |
| JP2004069538A (en) * | 2002-08-07 | 2004-03-04 | A & D Co Ltd | Weighing inspection device |
| CN201638040U (en) * | 2010-01-29 | 2010-11-17 | 上海市计量测试技术研究院 | Weight automatic loading system of piston type pressure gage |
| CN203177935U (en) * | 2012-12-11 | 2013-09-04 | 上海国际港务(集团)股份有限公司龙吴分公司 | Weight hanging device for belt scale |
| CN104198114A (en) * | 2014-09-18 | 2014-12-10 | 天津电气科学研究院有限公司 | Automatic weight loading device and automatic weight loading method |
| CN204794228U (en) * | 2015-07-17 | 2015-11-18 | 江苏辰阳电子有限公司 | Novel convertible AC plug charger |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108760297A (en) * | 2018-08-22 | 2018-11-06 | 大连交通大学 | A kind of Proportional valve load equipment |
| CN109990945A (en) * | 2019-04-29 | 2019-07-09 | 青岛迈金智能科技有限公司 | Crank power meter test benchmark system |
| CN110208306A (en) * | 2019-06-24 | 2019-09-06 | 天津旭迪聚氨酯保温防腐设备有限公司 | A kind of croop property detection device of polyurethane plastics |
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Application publication date: 20180323 |
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