CN207180937U - Lever-type Standard Force Measuring Machine - Google Patents
Lever-type Standard Force Measuring Machine Download PDFInfo
- Publication number
- CN207180937U CN207180937U CN201720424357.1U CN201720424357U CN207180937U CN 207180937 U CN207180937 U CN 207180937U CN 201720424357 U CN201720424357 U CN 201720424357U CN 207180937 U CN207180937 U CN 207180937U
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- Prior art keywords
- lever
- measuring machine
- force measuring
- type standard
- application apparatus
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Abstract
The utility model discloses Lever-type Standard Force Measuring Machine, include force application apparatus, leverage and detection means, the leverage is erected at the top of force application apparatus and detection means, also include mounting seat, the mounting seat includes mounting hole, and the force application apparatus, the bottom of detection means are fixed in mounting seat by mounting hole.The utility model is by increasing a mounting seat, force application apparatus and test device are arranged on base, both installation accuracies are ensure that using the mode of machining, so as to ensure that the front and rear fulcrum of both distances and lever apart from consistent, installation process is simplified, and improves effect precision.
Description
Technical field
It the utility model is related to a kind of force standard machines, particularly Lever-type Standard Force Measuring Machine.
Background technology
Sensor is that changing into measured parameter can be with direct measurement for directly or indirectly being contacted with measurand
Signal, it provided for system carries out processing and decision-making necessary to raw information, be the crucial ring in modern measure system
Section.With the appearance of various sensor, it is desirable to which the measure of production department is comprehensively and accurately tested it, examined and determine, and is given
Go out consistent reliable technical indicator.And in the test, identification, calibration process of sensor, force standard machines is that force measuring machine is its pass
Button apparatus.Force standard machines is divided into Dead Weigh Force Standard Machine, Lever-type Standard Force Measuring Machine, superposing type force standard machine etc..Force standard machines is used
In calibration and calibrating dynamometer and proving ring.Wherein the most widely used is exactly Lever-type Standard Force Measuring Machine, and it uses counterweight
Gravity is standard force value, by the amplification of lever, less counterweight power is obtained larger detection force value.
As shown in figure 1, existing Lever-type Standard Force Measuring Machine, is made up of three parts：Force application part a, lever part b, detection
Part c.Force application part is made up of large and small counterweight group and its drive device, and counterweight group is typically made up of 5~10 counterweights, each
Drive device be used for whether the Action of Gravity Field of counterweight in the long arm end of lever.Detection part is by main frame, test jig, spiral shell
Bar, transmission device, handwheel etc. form；Examined force snesor is put on test jig, so that it may which it is tested.Leverage
It is the three-point support using lever, there is amplification principle.
But existing Lever-type Standard Force Measuring Machine there are the shortcomings that many, such as：
A), the force application part of Standard Machine and test component are mounted directly on the ground, it is difficult to ensure both distances and thick stick
The front and rear fulcrum of bar is apart from consistent, when especially dispatching from the factory to user, in installation and debugging it is difficult to ensure that installation accuracy, so as to
It has impact on the precision of measurement；
B), in atmosphere, without any dustproof facilities, the grit in air can adsorb for big counterweight and miniweights exposure
Counterweight surface or corrosion counterweight, have impact on counterbalance mass, so as to result in the increase of the error of Standard Machine；
C) test jig of test component is driven by single screw rod, and stationarity is poor；
D) driving of test component is big using manually operated handwheel, labor intensity；
E) lever part can not adjust the position of centre of gravity of lever so that the initial level for adjusting lever is relatively difficult.
Utility model content
The technical problems to be solved in the utility model is：There is provided a kind of measurement accuracy higher Lever-type Standard Force Measuring Machine.
The solution that the utility model solves its technical problem is：Lever-type Standard Force Measuring Machine, include force application apparatus, thick stick
Lever apparatus and detection means, the leverage are erected at the top of force application apparatus and detection means, also include mounting seat,
The mounting seat includes mounting hole, and the force application apparatus, the bottom of detection means are fixed on mounting seat by mounting hole
On.
As the further improvement of above-mentioned technical proposal, the utility model is effectively protected by installing protective cover additional to counterweight
Counterweight has been protected, the weight change of counterweight has been avoided and has influence on the precision of Standard Machine, and the concrete structure of protective cover may refer to down
The embodiment in face.
As the further improvement of above-mentioned technical proposal, the utility model is by improving the type of drive of detection means, no
The precision of measurement is improve only, and the labor intensity of the worker reduced, specific frame mode may refer to following implementation
Mode.
As the further improvement of above-mentioned technical proposal, the technical program by increasing the balancing weight of slip on lever,
For adjusting lever position of centre of gravity and adjusting the initial level of lever.
The beneficial effects of the utility model are：The utility model is by increasing a mounting seat, by force application apparatus and survey
Trial assembly is put on base, and both installation accuracies are ensure that using the mode of machining, so as to ensure that both away from
It is consistent from a distance from the front and rear fulcrum with lever, installation process is simplified, and improve efficiency.
Brief description of the drawings
, below will be to needed for embodiment description in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
The accompanying drawing to be used is briefly described.Obviously, described accompanying drawing is part of the embodiment of the present utility model, rather than entirely
Portion's embodiment, those skilled in the art on the premise of not paying creative work, can also obtain it according to these accompanying drawings
His design and accompanying drawing.
Fig. 1 is the front view of Lever-type Standard Force Measuring Machine of the prior art；
Fig. 2 is schematic perspective view of the present utility model.
Embodiment
Design, concrete structure and caused technique effect of the present utility model are carried out below with reference to embodiment and accompanying drawing
Clearly and completely describe, to be completely understood by the purpose of this utility model, feature and effect.Obviously, described embodiment
It is part of the embodiment of the present utility model, rather than whole embodiments, based on embodiment of the present utility model, the skill of this area
The other embodiment that art personnel are obtained on the premise of not paying creative work, belong to the model of the utility model protection
Enclose.In addition, all connection/annexations being previously mentioned in text, not singly refer to component and directly connect, and refer to can be according to specific reality
Situation is applied, by adding or reducing couple auxiliary, to form more excellent draw bail.Each technology in the invention is special
Sign, can be with combination of interactions on the premise of not conflicting conflict.
Reference picture 2, Lever-type Standard Force Measuring Machine, include force application apparatus 1, leverage 2 and detection means 3, the lever
Device 2 is erected at the top of force application apparatus 1 and detection means 3, also includes mounting seat 4, and the mounting seat 4 includes peace
Hole is filled, the force application apparatus 1, the bottom of detection means 3 are fixed in mounting seat 4 by mounting hole.In traditional mode,
Force application apparatus 1 and detection means 3 are directly installed on bottom surface, error when due to the uneven of bottom surface or installing, meeting
Mounting distance between the two is had influence on, so as to which the position of the fulcrum for the leverage for causing to be mounted above invents change, is influenceed
Effect precision, and the utility model first fixes mounting seat on the ground, Ran Houzai by using newly-increased mounting seat
Force application apparatus 1, detection means 3 are mounted above, because mounting seat is hardware, obtained easily by the mode of processing
Accurately position, only force application apparatus 1, detection means 3 need to be arranged on precalculated position during installation, by multiple mounting holes or
Person is that the mode of locating slot make it that force application apparatus 1, the installation site of detection means 3 are accurate, has been prevented well because of alignment error
Caused by calibration error produce.
As the further improvement of above-mentioned technical proposal, the force application apparatus 1 includes frame, and counterweight is provided with the frame
Seat 11, the periphery of counterweight seat 11 is provided with protective cover 12, and the protective cover 12 is fixedly connected with frame.Traditional counterweight is direct
Exposure in atmosphere, the utility model pass through outside counterweight seat set a protective cover so that counterweight can with the external world air every
From the uniformity of the counterweight weight of maintenance.
Preferred embodiment is further used as, the protective cover 12 includes shape of peripheral frame and glass plate, the frame
It is fixed on the outside of section bar in frame, the glass plate is arranged on the inner side of shape of peripheral frame.By glass plate, can facilitate to weight
The running situation of code carries out implementing monitoring, and described glass plate can be the either common glass panel of lucite.Certainly,
In some occasions, when that need not be exercised supervision to the working condition of counterweight, counterweight can be closed using common panel
Come, then open up a dodge gate, dodge gate is opened or closed according to being actually needed.
Preferred embodiment is further used as, the force application apparatus 1 also includes drive mechanism, the drive mechanism bag
Screw mandrel, motor and belt are included, the screw mandrel passes through belt and motor drive connection.It can be realized to counterweight by drive mechanism
Active force whether act on leverage, and by way of belt drive screw mandrel, improve action reliability and
Convenience.
Preferred embodiment is further used as, the detection means 3 includes double lead transmission mechanism 31, moving beam
32 and four post guide rods 33, the surrounding of the moving beam 32 be slidably connected with four post guide rods 32, the middle part of the moving beam 32
It is connected with double lead transmission mechanism 31, the surface of the moving beam 32 and plane-parallel.Pass through this structure, Ke Yili
Moving beam is driven to move up and down with double lead transmission mechanism, and by four post guide rods, it may further ensure that moving beam exists
Stability is more preferable during lifting.
Preferred embodiment is further used as, the double lead drive mechanism 31 includes Left Drive screw mandrel, right transmission
Screw mandrel, described double lead drive mechanism 31 also include motor and operation button, the motor and Left Drive silk
Bar, right drive lead screw drive connection, the operation button are arranged on four post guide rods 33, the operation button and motor electricity
Connection.With transmission it is manually operated compared with, the technical program by motor drive moving beam lifting, it is not only easy to operate and
And it is reliable to be swift in motion.Certainly, operation button is not necessarily intended to be placed on four post guide rods, facilitates worker to enter as long as being placed on one
The position of row operation, adjustment position, need to only be electrically connected operation button with motor with electric wire.
Preferred embodiment is further used as, the leverage 2 includes lever 21, and the lever 21, which is provided with, matches somebody with somebody
Pouring weight 22, the balancing weight 22 are slidably connected with lever 21.The bottom surface of the lever 21 is provided with slide rail 23, the slide rail 23 and thick stick
Bar 21 is fixedly connected, and the balancing weight 22 is slidably connected with slide rail.Described balancing weight can be the trip thallium of counter scale, its middle reaches thallium
Include one big two small, by sliding the relative positions of three trip thalliums of adjustment, effectively the center of gravity of lever can be adjusted,
Improve checking precision.
Better embodiment of the present utility model is illustrated above, but the invention be not limited to it is described
Embodiment, those skilled in the art can also make a variety of equivalent changes on the premise of without prejudice to the utility model spirit
Type or replacement, these equivalent modifications or replacement are all contained in the application claim limited range.
Claims (8)
1. Lever-type Standard Force Measuring Machine, include force application apparatus (1), leverage (2) and detection means (3), the leverage
(2) it is erected at the top of force application apparatus (1) and detection means (3), it is characterised in that：Also include mounting seat (4), the peace
Dress base (4) includes mounting hole, and the force application apparatus (1), the bottom of detection means (3) are fixed on installation bottom by mounting hole
On seat (4).
2. Lever-type Standard Force Measuring Machine according to claim 1, it is characterised in that：The force application apparatus (1) includes frame, institute
State and counterweight seat (11) is provided with frame, counterweight seat (11) periphery is provided with protective cover (12), the protective cover (12) and frame
It is fixedly connected.
3. Lever-type Standard Force Measuring Machine according to claim 2, it is characterised in that：The protective cover (12) includes frame type
Material and glass plate, it is fixed in frame on the outside of the shape of peripheral frame, the glass plate is arranged on the inner side of shape of peripheral frame.
4. Lever-type Standard Force Measuring Machine according to claim 3, it is characterised in that：The force application apparatus (1) also includes drive
Motivation structure, the drive mechanism include screw mandrel, motor and belt, and the screw mandrel passes through belt and motor drive connection.
5. Lever-type Standard Force Measuring Machine according to claim 1, it is characterised in that：The detection means (3) includes mariages
Bar transmission mechanism (31), moving beam (32) and four post guide rods (33), surrounding and the four post guide rods of the moving beam (32)
(33) it is slidably connected, middle part and the double lead transmission mechanism (31) of the moving beam (32) are connected, the moving beam
(32) surface and plane-parallel.
6. Lever-type Standard Force Measuring Machine according to claim 5, it is characterised in that：The double lead transmission mechanism (31) includes
There are Left Drive screw mandrel, right drive lead screw, described double lead transmission mechanism (31) also includes motor and operation button, institute
Motor and Left Drive screw mandrel, right drive lead screw drive connection are stated, the operation button is arranged on four post guide rods (33), institute
Operation button is stated to electrically connect with motor.
7. Lever-type Standard Force Measuring Machine according to claim 1, it is characterised in that：The leverage (2) includes lever
(21), the lever (21) is provided with balancing weight (22).
8. Lever-type Standard Force Measuring Machine according to claim 7, it is characterised in that：The bottom surface of the lever (21) is provided with slide rail
(23), the slide rail (23) is fixedly connected with lever (21), and the balancing weight (22) is moved on slide rail (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720424357.1U CN207180937U (en) | 2017-04-20 | 2017-04-20 | Lever-type Standard Force Measuring Machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720424357.1U CN207180937U (en) | 2017-04-20 | 2017-04-20 | Lever-type Standard Force Measuring Machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207180937U true CN207180937U (en) | 2018-04-03 |
Family
ID=61732840
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720424357.1U Active CN207180937U (en) | 2017-04-20 | 2017-04-20 | Lever-type Standard Force Measuring Machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207180937U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109580090A (en) * | 2019-01-31 | 2019-04-05 | 辽宁红沿河核电有限公司 | A kind of Lever-type Standard Force Measuring Machine |
| CN109900424A (en) * | 2019-03-01 | 2019-06-18 | 辽宁红沿河核电有限公司 | A kind of method of lever force standard machines and its test space adjust automatically |
-
2017
- 2017-04-20 CN CN201720424357.1U patent/CN207180937U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109580090A (en) * | 2019-01-31 | 2019-04-05 | 辽宁红沿河核电有限公司 | A kind of Lever-type Standard Force Measuring Machine |
| CN109900424A (en) * | 2019-03-01 | 2019-06-18 | 辽宁红沿河核电有限公司 | A kind of method of lever force standard machines and its test space adjust automatically |
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