CN209015512U - A kind of adjustable rational mechanics teaching aid of measurement angle - Google Patents
A kind of adjustable rational mechanics teaching aid of measurement angle Download PDFInfo
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- CN209015512U CN209015512U CN201721792144.0U CN201721792144U CN209015512U CN 209015512 U CN209015512 U CN 209015512U CN 201721792144 U CN201721792144 U CN 201721792144U CN 209015512 U CN209015512 U CN 209015512U
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- main rod
- measuring force
- rod
- adjustable
- teaching aid
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Abstract
The utility model discloses a kind of adjustable rational mechanics teaching aids of measurement angle, including stressed member, hold-down support and device for measuring force, the device for measuring force is 2, it is symmetricly set on the both ends of stressed member, wherein the upper end of device for measuring force and stressed member end are hinged, the removable upper surface that hold-down support is set adjusted in the lower end of device for measuring force, the utility model can adjust loading angle and the direction of two device for measuring force as needed, realize the stress measurement of different directions, the utility model structure also has adjusting easy to disassemble simultaneously, it is cheap, the advantages that easy to operate.
Description
Technical field
The utility model relates to a kind of adjustable rational mechanics teaching aids of measurement angle, belong to teaching aid technical field.
Background technique
Mechanics is an independent basic subject, is that related power, movement and dielectric solid, liquid, gas are Satans and wait
Gas ions, macro, thin, micromechanics subjects, research is based on mechanical movement and its same physics, chemistry, biological motion lotus root
The phenomenon that conjunction.Mechanics is a basic subject, while being a special kind of skill subject again.It study energy and power and they and it is solid
Body, the balance of liquid and gas, the relationship of deformation or movement.Mechanics can divide into statics, kinematics and dynamics three parts,
The balance of statics research power or the static problem kinematics of object only consider how object moves, it and institute's stress are not discussed
The relationship of relationship dynamics discussion object of which movement and institute's stress.Modern experiment of machanics equipment, such as large-scale wind-tunnel, water hole,
Their foundation and use needs multiplexing kind, multi-disciplinary cooperation itself is a comprehensive scientific and technical project.Mechanics
As industry science basic subject, nearly all industry science department has all opened up this subject.But there is no corresponding currently on the market
Teaching aid, and rational mechanics course is more uninteresting hard to understand, and the auxiliary of teaching aid is not even more extremely difficult.Instrument one on the market
As be all independent measurement strain or stress, and complicated and expensive coordinative composition of equipments is needed to use.To solve this problem, apply
Number a kind of rational mechanics teaching aid is disclosed for 2016206207556 patent, by piston rod, compressed spring, main rod, connection
Arm and hold-down support composition, wherein the outer end of piston rod is fixedly connected with an end face of stress main body, and main rod passes through linking arm
It vertically is fixedly mounted on hold-down support upper surface, therefore, which is only able to achieve the measurement of vertical force, can not be real
The measurement of existing other direction force.
Utility model content
Technical problem to be solved by the utility model is: a kind of adjustable rational mechanics teaching aid of measurement angle is provided, it is adjustable
The stress of section measurement different directions, with overcome the deficiencies in the prior art.
The technical solution of the utility model includes: a kind of adjustable rational mechanics teaching aid of measurement angle, including stressed member, fixation
Support and device for measuring force, the device for measuring force are 2, are symmetricly set on the both ends of stressed member, wherein the upper end of device for measuring force
It is hinged with stressed member end, the removable upper surface that hold-down support is set adjusted in the lower end of device for measuring force.
The device for measuring force includes piston rod, compressed spring, main rod, linking arm, secondary bar part and conduit, and main rod is big
Cylinder, the outer end of piston rod and stressed member are hinged, and the piston end surface of piston rod is arranged in main rod, the piston end of piston rod
Face and main rod sealing cooperate, and compressed spring, the front end of main rod and connection are equipped between the inner cavity and piston rod of main rod
The front end of arm connects, and linking arm is connected to the side of a sliding shoe by bolt, nut, and sliding shoe is slidably connected at hold-down support
In one strip groove of upper surface, it is provided with open seam along its length in strip groove bottom, the lock on the outside of open seam
Tight screw is connect by open seam with sliding shoe bottom face, and secondary bar part is small cylinder, and the bottom of secondary bar part passes through conduit and mobile jib
The inner cavity of part is connected to, and the inner cavity of main rod is hydraulically full, and secondary bar part is equipped with dynamometry scale.
Cover is socketed with outside the port of the main rod.
The main rod is used with bung and is threadedly coupled.
The beneficial effects of the utility model are: the utility model is by being hinged on stressed member for device for measuring force one end, one
On the removable setting hold-down support adjusted in end, loading angle and the direction of two device for measuring force can be adjusted as needed in this way, it is real
The stress measurement of existing different directions.Meanwhile the secondary bar part in device for measuring force can amplify the stroke of compressed spring, utilize mobile jib
The constant principle of the container diameter difference and liquid volume of part and secondary bar part, liquid level difference is amplified, reflects the accurate change of power output
Change.It is cheap in addition, the utility model structure also has adjusting easy to disassemble, it is easy to operate the advantages that.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the bottom view of hold-down support；
In figure: 1, stressed member, 2, piston rod, 3, cover, 4, main rod, 5, compressed spring, 6, linking arm, 7, sliding
Block, 8, secondary bar part, 9, hold-down support, 10, conduit, 11, open seam, 12, strip groove.
Specific embodiment
It is practical new to this below in conjunction with attached drawing to keep the purpose of this utility model, technical solution and advantage clearer
Type is described in further detail.
With reference to Fig. 1 and Fig. 2, a kind of adjustable rational mechanics teaching aid of measurement angle of the present embodiment, including it is stressed member 1, solid
Determine support 9 and device for measuring force, the device for measuring force is 2, is symmetricly set on the both ends of stressed member 1, wherein device for measuring force
Upper end and 1 end of stressed member are hinged, the removable upper surface that hold-down support 9 is arranged in adjusted in the lower end of device for measuring force, should
Structure is the core component of this teaching aid, its working principle is that: since device for measuring force one end is hinged on stressed member 1, the other end
The removable setting adjusted can carry out in the loading angle to two device for measuring force and direction as needed on hold-down support 9
It adjusts.
In the present embodiment, device for measuring force includes piston rod 2, compressed spring 5, main rod 4, linking arm 6,8 and of secondary bar part
Conduit 10, main rod 4 are large cylinder, and the outer end of piston rod 2 and stressed member 1 are hinged, and the piston end surface of piston rod 2 is arranged in master
In rod piece 4, piston end surface and main rod 4 sealing of piston rod 2 cooperate, and pressure is equipped between the inner cavity and piston rod 2 of main rod 4
The front end of contracting spring 5, main rod 4 is connect with the front end of linking arm 6, and linking arm 6 is connected to a sliding shoe 7 by bolt, nut
Side, sliding shoe 7 is slidably connected in a strip groove 12 of 9 upper surface of hold-down support, in 12 bottom of strip groove along length
Degree direction is provided with open seam 11, and the lock-screw positioned at 11 outside of open seam is connected by open seam 11 and 7 bottom face of sliding shoe
It connects, secondary bar part 8 is small cylinder, and the bottom of secondary bar part 8 is connected to by conduit 10 with the inner cavity of main rod 4, and the inner cavity of main rod 4 is filled
Full liquid, secondary bar part 8 are equipped with dynamometry scale, cover 3 are socketed with outside the port of main rod 4, and use and be threadedly coupled with bung.
In use, bar shaped can be fixed in by moving sliding shoe 7 as needed to suitable position, then with lock-screw
In groove 12, the tilt angle of device for measuring force can be adjusted, by bolt, nut also to meet measurement needs.
It, cannot the above content is specific preferred embodiment further detailed description of the utility model is combined
Assert that the specific implementation of the utility model is only limited to these instructions.For the ordinary skill of the utility model technical field
For personnel, without departing from the concept of the premise utility, a number of simple deductions or replacements can also be made, should all regard
To belong to the protection scope of the utility model.
Claims (4)
1. a kind of adjustable rational mechanics teaching aid of measurement angle, including stressed member (1), hold-down support (9) and device for measuring force,
Be characterized in that: the device for measuring force be 2, be symmetricly set on the both ends of stressed member (1), wherein the upper end of device for measuring force with by
Power rod piece (1) end is hinged, upper surface of the removable setting adjusted in the lower end of device for measuring force in hold-down support (9).
2. the adjustable rational mechanics teaching aid of measurement angle according to claim 1, it is characterised in that: the device for measuring force packet
Piston rod (2), compressed spring (5), main rod (4), linking arm (6), secondary bar part (8) and conduit (10) are included, main rod (4) is big
Cylinder, hingedly, the piston end surface setting of piston rod (2) is living in main rod (4) for the outer end and stressed member (1) of piston rod (2)
The piston end surface of stopper rod (2) and main rod (4) sealing cooperate, and compression is equipped between the inner cavity and piston rod (2) of main rod (4)
The front end of spring (5), main rod (4) is connect with the front end of linking arm (6), and linking arm (6) is connected to one by bolt, nut and slides
The side of motion block (7), sliding shoe (7) is slidably connected in a strip groove (12) of hold-down support (9) upper surface, recessed in bar shaped
Slot (12) bottom is provided with open seam (11) along its length, is located at the lock-screw on the outside of open seam (11) and passes through open seam
(11) it is connect with sliding shoe (7) bottom face, secondary bar part (8) is small cylinder, and the bottom of secondary bar part (8) passes through conduit (10) and mobile jib
The inner cavity of part (4) is connected to, and the inner cavity of main rod (4) is hydraulically full, and secondary bar part (8) is equipped with dynamometry scale.
3. the adjustable rational mechanics teaching aid of measurement angle according to claim 2, it is characterised in that: the main rod (4)
Port outside be socketed with cover (3).
4. the adjustable rational mechanics teaching aid of measurement angle according to claim 3, it is characterised in that: the main rod (4)
It uses and is threadedly coupled with bung.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721792144.0U CN209015512U (en) | 2017-12-20 | 2017-12-20 | A kind of adjustable rational mechanics teaching aid of measurement angle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721792144.0U CN209015512U (en) | 2017-12-20 | 2017-12-20 | A kind of adjustable rational mechanics teaching aid of measurement angle |
Publications (1)
| Publication Number | Publication Date |
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| CN209015512U true CN209015512U (en) | 2019-06-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201721792144.0U Active CN209015512U (en) | 2017-12-20 | 2017-12-20 | A kind of adjustable rational mechanics teaching aid of measurement angle |
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| CN (1) | CN209015512U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107845315A (en) * | 2017-12-20 | 2018-03-27 | 贵州大学 | A kind of adjustable rational mechanics teaching aid of measurement angle |
-
2017
- 2017-12-20 CN CN201721792144.0U patent/CN209015512U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107845315A (en) * | 2017-12-20 | 2018-03-27 | 贵州大学 | A kind of adjustable rational mechanics teaching aid of measurement angle |
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