CN215182631U

CN215182631U - A university mechanics demonstration teaching aid

Info

Publication number: CN215182631U
Application number: CN202120509101.7U
Authority: CN
Inventors: 董文泽; 岳景华; 李硕; 白羽
Original assignee: Huanghe Jiaotong University
Current assignee: Huanghe Jiaotong University
Priority date: 2021-03-10
Filing date: 2021-03-10
Publication date: 2021-12-14
Anticipated expiration: 2031-03-10

Abstract

The utility model relates to a teaching aid technical field specifically is a college mechanics demonstration teaching aid, including placeeing the seat, place the top intermediate position department fixed mounting of seat and have the support column, the top fixed mounting of support column has the mounting panel, the hole has been seted up to the inside of mounting panel, and the inner wall of hole inserts and be equipped with the threaded rod, the movable mounting of threaded rod has the mount pad, the notch has been seted up to the bottom of mount pad, and the inside fixed mounting of notch has the connecting rod, the outer wall of connecting rod has cup jointed the extrusion stem, the top both sides of placeeing the seat all are provided with puts the pole. The utility model discloses a be provided with mount pad and stripper bar, can be through rotating the stripper bar, and then make the not extrusion head of equidimension of stripper bar and article take place to contact, and then can the direct observation this article receive the data that produce under the not extrusion condition of equidimension, make the effect of experiment and demonstration better, convenient to use.

Description

College mechanics demonstration teaching aid

Technical Field

The utility model relates to a teaching aid technical field specifically is a college mechanics demonstration teaching aid.

Background

Mechanics is divided into theoretical mechanics, material mechanics and structural mechanics in the course of university, and in the process of learning of material mechanics, the strain, strength and the like of different materials generated by force extrusion need to be researched, and the study is generally a necessary course of mechanical engineering and civil engineering discipline.

But all carry out manual extrusion through the mr with the material in current testing process usually, the extruded dynamics of understanding that can't be accurate, and extruded extrusion head size all equals, can not measure the state of object when receiving the object extrusion of equidimension not, and it is comparatively inconvenient to use, consequently needs a university mechanics demonstration teaching aid to solve above-mentioned problem urgently.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a college mechanics demonstration teaching aid to the mr who proposes carries out manual extrusion with the material in solving above-mentioned background art, and the extruded dynamics of understanding that can't be accurate, and the first size of extruded all equals, can't measure the state of object when receiving the object extrusion of equidimension not, use comparatively inconvenient problem.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a university's mechanics demonstration teaching aid, is including placeeing the seat, place the top intermediate position department fixed mounting of seat there is the support column, the top fixed mounting of support column has the mounting panel, the hole has been seted up to the inside of mounting panel, and the inner wall of hole inserts and be equipped with the threaded rod, the movable mounting of threaded rod has the mount pad, the notch has been seted up to the bottom of mount pad, and the inside fixed mounting of notch has the connecting rod, the extrusion stem has been cup jointed to the outer wall of connecting rod, the top both sides of placeeing the seat all are provided with puts the pole, the top fixed mounting who places the pole has the board of putting, and the top of putting the board is seted up flutedly.

Preferably, the top end of the placing seat is provided with a notch, the inside of the notch is fixedly provided with a shaft rod, the bottom end of the placing rod is fixedly provided with a sliding seat, the sliding seat is inserted into the notch, the inside of the sliding seat is provided with a hole, and the sliding seat is sleeved on the outer wall of the shaft rod.

Preferably, the shape of the pressing rod is cross-shaped, and each output end area of the pressing rod is increased in turn.

Preferably, the inner wall of the extrusion rod is provided with a fixing hole, the outer wall of the mounting seat is provided with a hole, a fixing rod is inserted into the inner wall of the hole, the outer wall of the fixing rod is sleeved with a first pressure spring, and the fixing rod is inserted into the fixing hole.

Preferably, the top both sides of putting the board have all been seted up the fluting, the slotted inside is inserted and is equipped with the slide, the top fixed mounting of slide has the baffle, the area of baffle equals with the area of putting the board, and the baffle is close to the one end of putting in the middle of the seat and sets up for the slope.

Preferably, a clamping rod is fixedly mounted inside the groove, a hole is formed in the sliding seat, the sliding seat is sleeved on the outer wall of the clamping rod, and a second pressure spring is sleeved on the outer wall of the clamping rod.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the device is provided with mount pad and extrusion stem, can be through rotating the extrusion stem, and then makes the not extrusion head of equidimension of extrusion stem and article take place to contact, and then can directly observe this article and receive the data that produce under the not extrusion condition of equidimension, makes the effect of experiment and demonstration better, convenient to use.

2. The device is provided with and puts board and baffle, can put into the recess of putting the board top with article inside, carries out the closure through the baffle afterwards to the both ends that make article are fixed, avoid article to break off at extruded in-process, and then cause the condition that article both ends take place to bounce, make article look sideways at the effect better, increased demonstration personnel's factor of safety, convenient to use simultaneously.

Drawings

Fig. 1 is a schematic front view of a cross-sectional structure of the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1;

fig. 3 is a schematic side view of the cross-sectional structure of the present invention;

fig. 4 is a schematic view of the top-view cross-sectional structure of the placing plate of the present invention.

In the figure: 1. a placing seat; 2. a support pillar; 3. mounting a plate; 4. a threaded rod; 5. a mounting seat; 6. a connecting rod; 7. an extrusion stem; 8. a fixing rod; 9. a first pressure spring; 10. a fixing hole; 11. a shaft lever; 12. a sliding seat; 13. placing the rod; 14. placing a plate; 15. a baffle plate; 16. grooving; 17. a clamping rod; 18. a slide base; 19. a second pressure spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides an embodiment:

the utility model provides a university's mechanics demonstration teaching aid, including placeeing seat 1, place the top intermediate position department fixed mounting of seat 1 and have support column 2, the top fixed mounting of support column 2 has mounting panel 3, the hole has been seted up to mounting panel 3's inside, and the inner wall of hole inserts threaded rod 4, the movable mounting of threaded rod 4 has mount pad 5, the notch has been seted up to mount pad 5's bottom, and the inside fixed mounting of notch has connecting rod 6, extrusion stem 7 has been cup jointed to connecting rod 6's outer wall, the top both sides of placeeing seat 1 all are provided with puts pole 13, the top fixed mounting of putting pole 13 has puts board 14, and the top of putting board 14 is seted up flutedly.

Further, place the top of seat 1 and seted up the notch, and the inside fixed mounting of notch has axostylus axostyle 11, the bottom fixed mounting who places pole 13 has sliding seat 12, and sliding seat 12 inserts the inside of establishing at the notch, the hole has been seted up to the inside of sliding seat 12, sliding seat 12 cup joints the outer wall at axostylus axostyle 11, can make and place the whole slide of pole 13, and then can adjust according to the length of test article, and then the test effect that makes article is better, convenient to use.

Furthermore, the shape of the extrusion rod 7 is cross-shaped, the area of each output end of the extrusion rod 7 is sequentially increased, the extrusion rods 7 with different sizes can extrude the articles, and then various data generated when the articles are extruded by different sizes are measured, so that the use is convenient.

Further, fixed orifices 10 have been seted up to the inner wall of extrusion stem 7, the hole has been seted up to the outer wall of mount pad 5, and the inner wall of hole is inserted and is equipped with fixed rod 8, first pressure spring 9 has been cup jointed to fixed rod 8's outer wall, fixed rod 8 is inserted and is established the inside at fixed orifices 10, stimulate fixed rod 8, and then make fixed rod 8 break away from the inside of fixed orifices 10, can make extrusion stem 7 rotate afterwards, and then can change the extrusion head of extrusion stem 7, it fixes to another inside of organizing fixed orifices 10 to imbed through fixed rod 8 afterwards, high durability and convenient use.

Further, the top both sides of putting board 14 have all been seted up fluting 16, the inside of fluting 16 is inserted and is equipped with slide 18, the top fixed mounting of slide 18 has baffle 15, baffle 15's area equals with the area of putting board 14, and baffle 15 is close to the one end of putting 1 middle of seat and sets up for the slope, when putting into the top of putting board 14 with article, can make article extrude baffle 15, and then make baffle 15 begin to remove along the inclined plane, can make article remove to the recess on putting board 14 top inside afterwards, recover baffle 15 afterwards, can fix the both ends of article, avoid article to take place the condition of bounceing when measuring the fracture, high durability and convenient use.

Further, the inside fixed mounting of fluting 16 has kelly 17, the hole has been seted up to slide 18's inside, slide 18 cup joints the outer wall at kelly 17, second pressure spring 19 has been cup jointed to kelly 17's outer wall, baffle 15 drives slide 18 at the in-process that removes and removes, slide 18 extrudes second pressure spring 19 afterwards, thereby make second pressure spring 19 begin to recover, and then drive slide 18 and recover, can make baffle 15 better fix the both ends of article, high durability and convenient use.

The working principle is as follows: during the use, when putting into the top of placer plate 14 with article, can make article extrude baffle 15, and then make baffle 15 begin to move along the inclined plane, can make article remove to the inside recess on placer plate 14 top afterwards, baffle 15 drives slide 18 at the in-process that removes and removes, slide 18 extrudees second pressure spring 19 afterwards, thereby make second pressure spring 19 begin to recover, and then drive slide 18 and recover, slide 18 drives baffle 15 and recovers, can fix the both ends of article, avoid article to take place the condition of bounceing when measuring the fracture, high durability and convenient use.

Rotating threaded rod 4, can make mount pad 5 descend through helicitic texture, and then make mount pad 5 drive extrusion pole 7 extrude the measurement to article, pulling fixed rod 8, and then make fixed rod 8 break away from the inside of fixed orifices 10, can make extrusion pole 7 rotate afterwards, and then can change extrusion head of extrusion pole 7, it fixes to imbed the inside of another group fixed orifices 10 through fixed rod 8 afterwards, high durability and convenient use, the above is the whole theory of operation of this scheme.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. A university mechanics demonstration teaching aid, comprising a placement seat (1), characterized in that: a support column (2) is fixedly installed at the top middle position of the placement seat (1), and the support column (2) A mounting plate (3) is fixedly installed at the top of the mounting plate (3), a hole is opened inside the mounting plate (3), and a threaded rod (4) is inserted into the inner wall of the hole, and the threaded rod (4) is movably installed with a mounting seat (5), the bottom end of the mounting seat (5) is provided with a notch, and a connecting rod (6) is fixedly installed inside the notch, and the outer wall of the connecting rod (6) is sleeved with an extrusion rod (7). ), both sides of the top of the placing seat (1) are provided with placing rods (13), the top of the placing rod (13) is fixedly installed with a placing plate (14), and the placing plate (14) ) is provided with a groove at the top.

2. A university mechanics demonstration teaching aid according to claim 1, characterized in that: the top of the placing seat (1) is provided with a notch, and a shaft (11) is fixedly installed inside the notch, so A sliding seat (12) is fixedly installed at the bottom end of the placing rod (13), and the sliding seat (12) is inserted into the interior of the slot, and a hole is opened in the interior of the sliding seat (12). (12) is sleeved on the outer wall of the shaft (11).

3. A university mechanics demonstration teaching aid according to claim 1, characterized in that: the shape of the extrusion rod (7) is a cross, and the area of each output end of the extrusion rod (7) increases sequentially .

4. A university mechanics demonstration teaching aid according to claim 1, characterized in that: the inner wall of the extrusion rod (7) is provided with a fixing hole (10), and the outer wall of the mounting seat (5) is provided with a hole , and the inner wall of the hole is inserted with a fixing rod (8), the outer wall of the fixing rod (8) is sleeved with a first pressure spring (9), and the fixing rod (8) is inserted in the fixing hole (10). internal.

5. A university mechanics demonstration teaching aid according to claim 1, characterized in that: a slot (16) is provided on both sides of the top of the placing plate (14), and the interior of the slot (16) A sliding seat (18) is inserted, the top of the sliding seat (18) is fixedly installed with a baffle plate (15), the area of the baffle plate (15) is equal to the area of the placing plate (14), and the baffle plate (14) is (15) The end near the middle of the placing seat (1) is inclined.

6 . The university mechanics demonstration teaching aid according to claim 5 , wherein a clamping rod ( 17 ) is fixedly installed inside the slot ( 16 ), and a hole is opened inside the sliding seat ( 18 ). 7 . , the sliding seat (18) is sleeved on the outer wall of the clamping rod (17), and the outer wall of the clamping rod (17) is sleeved with a second pressure spring (19).