CN207487861U - A kind of internal hanging type automatic weight loading device - Google Patents
A kind of internal hanging type automatic weight loading device Download PDFInfo
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- CN207487861U CN207487861U CN201721696746.6U CN201721696746U CN207487861U CN 207487861 U CN207487861 U CN 207487861U CN 201721696746 U CN201721696746 U CN 201721696746U CN 207487861 U CN207487861 U CN 207487861U
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- counterweight
- loading machine
- supporting plate
- hoistable platform
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Abstract
The utility model 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, limiting sliding rail, electric reducer；The slip of loading machine hoistable platform is fixed on limiting sliding rail, loading machine hoistable platform lower plane is equipped with lifting screw, electric reducer drives lifting screw to move up and down, so as to which loading machine hoistable platform be pushed 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 on counterweight supporting plate after interior extension connection, topmost counterweight is connect multiple counterweights with test device.The utility model is simple in structure, and installing and dismounting is extremely convenient, saves maintenance time and cost of labor, is conducive to improve working efficiency.
Description
Technical field
The utility model is related to hydraulic modeling techniques field, especially a kind of internal hanging type automatic weight loading dress
It puts.
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 large-scale hydraulic mechanical equipment manufacturing firms domestic in recent 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 (torque), pressure measurement 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 generally 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 influence the synthesis precision of model test.Force snesor calibration counterweight load mode, rig for model test early stage adopt
Counterweight is manually loaded, motor drive screw rod or external hanging type is taken to load counterweight, the automatic loading of plug-in mode automatically later
Device, must centering integral installation in advance, when dismounting, is extremely inconvenient, and external mounting mode adds by the mounting of counterweight outer edge component
Work face is more, and attachment dust is endlessly cleared up, and is caused to be not easy the additional mass estimated, is influenced Accuracy of calibration.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of internal hanging type automatic weight loading device, makes measurement
Force snesor original position calibration is more convenient, accurate reliable, connects counterweight by interior extension mode, spiral shell is driven by motor
Bar adjusts counterweight group and moves up and down position, is loaded automatically when reaching force snesor calibration or off-load purpose.
In order to solve the above-mentioned technical problem, the technical solution adopted in the utility model is：A kind of internal hanging type automatic weight adds
It carries and puts, including multiple counterweights, counterweight supporting plate, ball thrust bearing, loading machine hoistable platform, lifting screw, limiting sliding rail, electricity
Dynamic speed reducer；The slip of loading machine hoistable platform is fixed on limiting sliding rail, and loading machine hoistable platform lower plane is equipped with lifting spiral shell
Bar, electric reducer drives lifting screw to move up and down, so as to which loading machine hoistable platform be pushed to move up and down, ball thrust bearing
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
It is fixed with counterweight supporting plate, enables 360 degree of circular-rotations of counterweight supporting plate, multiple counterweights are using interior placement counterweight supporting plate after hanging connection
On, topmost counterweight is connect with test device.
The counterweight includes upper disk and lower disc, carries one with a circle screw hole, 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 hole and bolt mounting holes
The smooth cylinder in face, the bolt head of bolt are fully located in bolt mounting holes, are formed between upper disk and lower disc circular
Cavity is provided with rectangular through hole in lower disc bottom, corresponding to the position of cavity, and rectangular through hole is located at lower circle
The geometric center position of disk is provided with "T"-shaped hanging rod in the upper surface geometric center position protruding of upper disk, "T"-shaped hanging rod
The counterweight chamber communicated with the top external world is formed in vertical beam, the nut as head cover, the horizontal stroke of "T"-shaped hanging rod are configured on 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 hanging rod is circle
Bar, diameter are more smaller than the width of through hole, and the height highly than circular cavity is small, make in two neighboring counterweight, the weight of lower part
The crossbeam of the "T"-shaped hanging rod of code is inserted into the through hole of the lower disc of the counterweight on top, and after being rotated by 90 °, lower part counterweight is hung
The lower section of counterweight on top.
The crossbeam of the "T"-shaped hanging rod and the junction of vertical beam are cambered surface rounding, and lower part counterweight is suspended under the counterweight of top
Fang Shi, the upper edge of through hole are just stuck in the horizontal plane of below the crossbeam and the position of cambered surface rounding handing-over, ensure loading direction
Always straight down.
The beneficial effects of the utility model are：Simple in structure, installing and dismounting is extremely convenient, save maintenance time and manually into
This, is conducive to improve working efficiency.
Description of the drawings
Fig. 1 is the structure diagram of the utility model internal hanging type automatic weight loading device；
Fig. 2 is the structure diagram of the counterweight of the utility model internal hanging type automatic weight loading device；
Fig. 3 is the bottom schematic view of the counterweight lower disc of the utility model internal hanging type automatic weight loading device；
Fig. 4 is the schematical top view of disk on the counterweight of the utility model internal hanging type automatic weight loading device；
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawings and detailed description：
As shown in Figs 1-4, the internal hanging type automatic weight loading device of the utility model, including multiple counterweights 2, counterweight supporting plate
3rd, ball thrust bearing 4, loading machine hoistable platform 5, lifting screw 6, limiting sliding rail 7, electric reducer 8；The lifting of loading machine is flat
The slip of platform 5 is fixed on limiting sliding rail 7, and 5 lower plane of loading machine hoistable platform is equipped with lifting screw 6, and electric reducer 8 drives
Lifting screw 6 moves up and down, and so as to which loading machine hoistable platform 5 be pushed to move up and down, ball thrust bearing 4 is located at counterweight supporting plate 3
Between loading machine hoistable platform 5, stationary ring and the loading machine hoistable platform 5 of ball thrust bearing are fixed, rotating ring and counterweight supporting plate 3
It is fixed, 3 360 degree of circular-rotations of counterweight supporting plate, multiple counterweights 2 is enable to be placed on counterweight supporting plate 3 after being connected using interior extension, topmost
Counterweight is connect with test device.
The counterweight 2 includes upper disk 11 and lower disc 12, and a circle screw hole 17,12 bottom of lower disc are carried on upper 11 face of disk
With a circle bolt mounting holes 18, upper disk 11 and lower disc 12 pass through the bolt that is screwed in screw hole 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
Circular cavity 20 is formed between disk 11 and lower disc 12,12 bottom of lower disc, the position corresponding to cavity are provided with length
Rectangular 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 protruding is provided with "T"-shaped hanging rod 14, is formed in the vertical beam of "T"-shaped hanging rod 14 and matches with what the top external world communicated
Weight chamber 9 is configured with the nut 15 as closure, shape and 12 bottom of lower disc of the crossbeam of "T"-shaped hanging rod 14 on counterweight chamber 9
Rectangular through hole 16 matches and more smaller than through hole 16, " vertical beam of T " shapes hanging rod 14 is round bar, diameter is than through hole 16
Width it is smaller, the height highly than circular cavity 20 is small, makes in two neighboring counterweight, the "T"-shaped hanging rod of the counterweight of lower part
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 °, lower part counterweight hangs over top
The lower section of counterweight.
The crossbeam of the "T"-shaped hanging rod 14 and the junction of vertical beam are cambered surface rounding, and lower part counterweight is suspended on top counterweight
During lower section, the upper edge of through hole 16 is just stuck in the horizontal plane of below the crossbeam and the position of cambered surface rounding handing-over, ensures loading
Direction is always straight down.
The application method of the utility model internal hanging type automatic weight loading device is as follows：
The counterweight automatic loading device of the utility model carries out counterweight connection using interior extension mode, and implementation is：Most
Top counterweight and test device 1 are connect using pin, remaining counterweight is connected with interior extension mode, during different operating mode calibrations, by electricity
Dynamic speed reducer 8 drives screw rod 6, and loading machine hoistable platform 5 is pushed to lift and reduces counterweight position, during loading, reduction spiro rod length
Counterweight is mounted, increases weight；During off-load, raising spiro rod length is detached from counterweight, reduces weight.
Specifically, increase and decrease counterweight：Gap is 10mm between after upper and lower counterweight mounting, and control electric reducer 8 is rotated forward, added
Carrier aircraft hoistable platform 5 moves 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, and loading machine hoistable platform 5 moves down, and is added
It carries.Dismount counterweight：Select the counterweight that will dismantle, by controlling hoistable platform, be at top counterweight gap 3~
Between 7mm during position, since counterweight supporting plate bottom is equipped 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 is disengaged with upper part counterweight, that is, completes counterweight dismounting, instead
Counterweight can be then installed.
The utility model is rounding by the contact site between two counterweights using the automatic loading counterweight of interior extension mode
Camber formula, can adjust automatically center of gravity, ensure that center position for straight down, realizes counterweight automatic centering, ensure that calibration loads
Accuracy；Smooth in appearance is convenient to clean dust, dirt without excessive machined surface, ensures that loaded weight does not increase additional mass,
The setting of internal cavities can increase and decrease lead button to the inside of counterweight chamber 9 to ensure the consistency of each counterbalance mass；When safeguarding, manually
Ball thrust bearing 4 on counterweight supporting plate, which is rotated by 90 °, can easily carry out counterweight mounting and remove, simple in structure, installation
Extremely convenient, saving maintenance time and cost of labor are dismantled, is conducive to improve working efficiency.
The utility model, which can be used for loading automatically during hydraulic machinery test stand dynamometer machine force snesor original position calibration, (to be subtracted
Carry) counterweight, the device of systematic error when reduction manual operation is intervened.Its main feature is that：Each counterweight is connected using interior extension mode,
Can be with adjust automatically orthocenter by machined surface and the cooperation of rounding cambered surface between counterweight, counterweight hangs down automatically at one after ensureing carry
On line, making loading steadily of centre of gravity, improve Accuracy of calibration, outer smooth is easy to clean without processing groove, during calibration, electric speed reducing
Machine drive loading machine hoistable platform move up and down carry out plus, off-loading carry, reach given weight purpose, it is simple in structure, it is easy to disassemble.
Embodiment described above is merely to illustrate the technological thought and feature of the utility model, and its object is to make ability
Technical staff in domain is it will be appreciated that the content of the utility model and implement according to this, it is impossible to only limit this practicality with the present embodiment
Novel the scope of the claims, i.e., the equal variation or modification that all revealed spirit of the utility model is made, still falls new in this practicality
In the scope of the claims of type.
Claims (3)
1. a kind of internal hanging type automatic weight loading device, which is characterized in that including multiple counterweights (2), counterweight supporting plate (3), ball
Thrust bearing (4), loading machine hoistable platform (5), lifting screw (6), limiting sliding rail (7), electric reducer (8)；Loading machine liter
Drop platform (5), which slides, to be fixed on limiting sliding rail (7), and loading machine hoistable platform (5) lower plane is equipped with lifting screw (6), electricity
Dynamic speed reducer (8) drives lifting screw (6) to move up and down, so as to which loading machine hoistable platform (5) be pushed to move up and down, Roller thrust
Bearing (4) is 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 on counterweight supporting plate (3) after interior extension connection, topmost counterweight is connect with test device.
2. internal hanging type automatic weight loading device according to claim 1, which is characterized in that the counterweight (2) includes upper circle
Disk (11) and lower disc (12), with a circle screw hole (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 hole (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
Circular cavity (20) is formed between disk (11) and lower disc (12), in lower disc (12) bottom, the position corresponding to cavity
Install and be equipped with rectangular through hole (16), rectangular through hole (16) positioned at the geometric center position of lower disc (12),
The upper surface geometric center position protruding of upper disk (11) is provided with "T"-shaped hanging rod (14), shape in the vertical beam of "T"-shaped hanging rod (14)
The extraneous counterweight chamber (9) communicated at the top of Cheng Youyu is configured with the nut (15) as head cover, "T"-shaped hanging rod on 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 hanging rod (14) is round bar, and diameter is more smaller than the width of through hole (16), the height highly than circular cavity (20)
It spends small, makes in two neighboring counterweight, the crossbeam of the "T"-shaped hanging rod (14) of the counterweight of lower part is inserted into the lower circle of the counterweight on top
In the through hole (16) of disk (12), after being rotated by 90 °, lower part counterweight hangs over the lower section of top counterweight.
3. internal hanging type automatic weight loading device according to claim 2, which is characterized in that the "T"-shaped hanging rod (14)
The junction of crossbeam and vertical beam is cambered surface rounding, when lower part counterweight is suspended below the counterweight of top, the upper edge of through hole (16)
The horizontal plane of below the crossbeam and the position of cambered surface rounding handing-over are just stuck in, ensures loading direction always straight down.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721696746.6U CN207487861U (en) | 2017-12-08 | 2017-12-08 | A kind of internal hanging type automatic weight loading device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721696746.6U CN207487861U (en) | 2017-12-08 | 2017-12-08 | A kind of internal hanging type automatic weight loading device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207487861U true CN207487861U (en) | 2018-06-12 |
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ID=62457738
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721696746.6U Active CN207487861U (en) | 2017-12-08 | 2017-12-08 | A kind of internal hanging type automatic weight loading device |
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| Country | Link |
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| CN (1) | CN207487861U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN110631765A (en) * | 2019-10-30 | 2019-12-31 | 南京神源生智能科技有限公司 | Six-dimensional force sensor calibration device and calibration method |
-
2017
- 2017-12-08 CN CN201721696746.6U patent/CN207487861U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN110631765A (en) * | 2019-10-30 | 2019-12-31 | 南京神源生智能科技有限公司 | Six-dimensional force sensor calibration device and calibration method |
| CN110631765B (en) * | 2019-10-30 | 2023-10-24 | 南京神源生智能科技有限公司 | Six-dimensional force sensor calibration device and calibration method |
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