CN221101548U

CN221101548U - Mechanical experiment platform

Info

Publication number: CN221101548U
Application number: CN202322624107.0U
Authority: CN
Inventors: 陈曙光; 孙庆华; 刘康; 梁勇
Original assignee: Wuhan Forerunner Ruike Teaching Equipment Co ltd
Current assignee: Wuhan Forerunner Ruike Teaching Equipment Co ltd
Priority date: 2023-09-25
Filing date: 2023-09-25
Publication date: 2024-06-07
Anticipated expiration: 2033-09-25

Abstract

The utility model provides a mechanics experiment platform, which relates to the technical field of teaching experiment devices and comprises a platform, a support frame, a loading device, a support seat and a plurality of mounting plates; wherein, the support frame is installed on the platform; the loading device is slidably arranged at the top of the supporting frame, and the loading device and the platform are oppositely arranged; the mounting plates are arranged on the side surface of the platform facing the loading device along the first direction, the mounting plates extend along the second direction, the first direction and the second direction are intersected, a plurality of assembly parts are arranged on each mounting plate, and the assembly parts are arranged at intervals along the second direction; the support seat is selectively fixed or separated from the assembly part. The plurality of assembly parts are arranged on the platform in a matrix manner, so that the support seat can be moved along the first direction or the second direction by separating one support seat from the current assembly part and fixing the support seat on the other assembly part, and the position of the support seat can be adjusted on the horizontal plane at will.

Description

Mechanical experiment platform

Technical Field

The utility model relates to the technical field of teaching experiment devices, in particular to a mechanical experiment platform.

Background

The mechanical experiment platform is mainly used for mechanical property test and characterization technical research of materials, and is commonly used for demonstration teaching of distribution rule experiments of positive stress on the cross section of a pure bending beam, calibration of sensitivity coefficients of resistance strain gauges, measurement of elastic modulus E of materials, bobber ratio mu, eccentric stretching experiments, bending and torsion combined stress analysis, cantilever beam experiments, compression bar stability experiments, stop-beam bending experiments and continuous beam bending experiments.

Chinese patent CN216697592U discloses a novel mechanical experiment platform, through setting up two supporting seats in horizontal direction sliding connection with the crossbeam, can adjust the interval between two supporting seats according to the experiment sample of equidimension, adapts to the experiment sample of equidimension. However, the mechanical experiment platform can only adjust the position of the supporting seat along a straight line direction, and the adjusting means is limited.

Disclosure of utility model

In view of the above, the utility model provides a mechanical experiment platform to solve the problem that the position of the supporting seat can be adjusted along a straight line direction only and the adjusting means is limited.

The technical scheme of the utility model is realized as follows:

The utility model provides a mechanics experiment platform, which comprises a platform, a supporting frame, a loading device, a supporting seat and a plurality of mounting plates, wherein the supporting frame is arranged on the platform;

wherein the support frame is mounted on the platform;

The loading device is slidably arranged at the top of the supporting frame, and the loading device and the platform are oppositely arranged;

The mounting plates are arranged on the side surface of the platform, facing the loading device, along the first direction, the mounting plates extend along the second direction, the first direction and the second direction are intersected, a plurality of assembling parts are arranged on each mounting plate, and the assembling parts are arranged at intervals along the second direction;

the support seat is selectively fixed or separated from the assembling part.

On the basis of the above technical scheme, preferably, the platform comprises a base and a platform panel, wherein the platform panel is installed on the base, the support frame is in sliding connection with the platform panel along the first direction, the platform panel is opposite to the loading device, and a plurality of mounting plates are arranged on the platform panel.

On the basis of the above technical scheme, preferably, the platform panel is provided with a guide rail, the guide rail extends along the first direction, the support frame is provided with a chute, the chute extends along the first direction, and the guide rail is in sliding fit with the chute.

On the basis of the technical scheme, preferably, the mechanical experiment platform further comprises a locking piece, the locking piece is installed on the supporting frame, the locking piece and the platform panel are oppositely arranged, and the locking piece is used for locking the supporting frame and the platform panel.

On the basis of the technical scheme, preferably, the mechanical experiment platform further comprises a driving part, wherein the driving part is installed on the base, and the driving part is in driving connection with the supporting frame so as to drive the supporting frame to move along the first direction relative to the platform panel.

On the basis of the technical scheme, preferably, the driving part comprises a screw rod and a hand wheel, the screw rod is arranged on the base along the first direction, the screw rod is in driving connection with the support frame, one hand wheel is respectively arranged at two opposite ends of the screw rod, and the screw rod is driven to drive the support frame to move along the first direction by rotating the hand wheel.

On the basis of the above technical scheme, preferably, the support frame comprises two upright posts, an upper beam and a lower beam, wherein the two upright posts are respectively arranged on two opposite sides of the platform, the two opposite ends of the upper beam are respectively connected with one ends of the two upright posts, the loading device is arranged on the upper beam, the lower beam is positioned on one side of the platform opposite to the upper beam, the two opposite ends of the lower beam are respectively connected with the other ends of the two upright posts, and the driving part is in driving connection with the lower beam.

On the basis of the above technical scheme, preferably, the supporting seat comprises a vertical seat body, a connecting plate and a connecting piece, wherein the vertical seat body is fixed on the connecting plate, a connecting hole is formed in the connecting plate, the assembling part is a threaded hole, and the connecting piece is inserted into the connecting hole and the threaded hole.

On the basis of the technical scheme, preferably, a plurality of mounting plates are arranged at intervals in sequence, a sliding groove is formed between two adjacent mounting plates, and the connecting plates are in sliding connection with the sliding grooves through sliding blocks.

On the basis of the above technical scheme, preferably, the mechanical experiment platform further comprises a connecting column, the connecting column is selectively fixed or separated from the corresponding assembly part, and the connecting column is used for connecting an experiment test piece.

Compared with the prior art, the mechanical experiment platform has the following beneficial effects:

(1) The supporting frame is arranged on the platform, and the loading device is arranged at the top of the supporting frame, so that the loading device and the platform are arranged oppositely, and the loading device can conveniently act on an experimental test piece arranged on the platform;

(2) The plurality of mounting plates are arranged on the platform and are arranged along the first direction, the mounting plates can be arranged along the second direction in an extending manner, the first direction and the second direction are intersected, the mounting plates can be provided with a plurality of assembling parts, the assembling parts can be arranged along the second direction at intervals, the plurality of assembling parts are arranged on the platform in a matrix manner, and the supporting seats can be selectively fixed or separated from the assembling parts, so that one supporting seat can be separated from the current assembling part and then fixed on the other assembling part, the supporting seat can be moved along the first direction or the second direction, the position of the supporting seat can be randomly adjusted on the horizontal plane, and the mechanical experiment of teachers and students can be facilitated;

(3) The plurality of mounting plates are arranged on the platform and are arranged along the first direction, the mounting plates are arranged along the second direction, the first direction is intersected with the second direction, the assembly area on the platform can be increased, and redundant space can be provided for other experimental equipment to be arranged on the platform, so that various mechanical experiments can be carried out on the platform, and the use of teachers and students is convenient;

(4) The support frame can be movably mounted on the platform panel, so that the support frame can move along a first direction relative to the platform panel, and the loading device can be driven to move by moving the support frame, so that the loading device can be moved to the position right above the support seat, and the position of the loading device can be conveniently adjusted.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a perspective view of a mechanical experiment platform of the present utility model;

FIG. 2 is a front view of the mechanical experiment platform of the present utility model;

fig. 3 is a bottom view of the mechanical testing platform of the present utility model.

Reference numerals:

1. A platform; 11. a base; 12. a platform panel; 121. a guide rail; 2. a support frame; 21. a chute; 22. a column; 23. an upper cross beam; 24. a lower cross beam; 3. a loading device; 4. a support base; 41. a stand body; 42. a connecting plate; 43. a connecting piece; 5. a mounting plate; 51. an assembling portion; 6. a locking member; 7. a driving section; 71. a screw rod; 72. a hand wheel; 8. a sliding groove; 9. a connecting column; 10. and (5) an experimental test piece.

Detailed Description

The following description of the embodiments of the present utility model will clearly and fully describe the technical aspects of the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, are intended to fall within the scope of the present utility model.

In the coordinate system XYZ provided herein, the forward direction of the X axis represents the front, the reverse direction of the X axis represents the rear, the forward direction of the Y axis represents the right, the reverse direction of the Y axis represents the left, the forward direction of the Z axis represents the upper, and the reverse direction of the Z axis represents the lower. Also, it is noted that the terms "first," "second," and the like in the description and claims of the present utility model and in the above-described figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that the embodiments of the utility model described herein may be implemented in sequences other than those illustrated or otherwise described herein.

As shown in fig. 1, the mechanical experiment platform comprises a platform 1, a support frame 2, a loading device 3, a support seat 4 and a plurality of mounting plates 5;

Wherein the support frame 2 is mounted on the platform 1;

The loading device 3 is slidably arranged on the top of the supporting frame 2, and the loading device 3 and the platform 1 are oppositely arranged;

The mounting plates 5 are arranged on the side surface of the platform 1 facing the loading device 3 along a first direction, the mounting plates 5 are all arranged in an extending mode along a second direction, the first direction and the second direction are intersected, a plurality of assembling parts 51 are arranged on each mounting plate 5, and the assembling parts 51 are arranged at intervals along the second direction;

The support base 4 is selectively fixed to or separated from the fitting portion 51.

Specifically, platform 1 can be square structure to platform 1 can follow the horizontal direction setting, and experimental test piece 10 can set up on platform 1, and support frame 2 can be installed on platform 1 along vertical direction, and loading device 3 can slidable mounting in the top of support frame 2, and in this embodiment, the top of support frame 2 is equipped with the slide that extends along the second direction, is equipped with the slider on loading device 3, through the mutually supporting of slider and slide for loading device 3 can follow the second direction and loading device 3 and platform 1 set up relatively, can make things convenient for loading device 3 to act on the experimental test piece 10 that sets up on platform 1 with the load.

The platform 1 can be equipped with a plurality of mounting panels 5 towards one side of loading device 3, and a plurality of mounting panels 5 can be followed first direction range and set up on platform 1, and a plurality of mounting panels 5 all can be followed the second direction and extend the setting, and first direction and second direction can intersect and set up, and preferably, first direction and second direction mutually perpendicular, the X axis direction in fig. 1 is first direction, and the Y axis direction in fig. 1 is the second direction, all can be equipped with a plurality of assembly portions 51 on every mounting panel 5, and a plurality of assembly portions 51 can be followed the second direction interval setting to can be a plurality of assembly portions 51 of matrix arrangement on making platform 1.

The support bases 4 may be selectively fixed to or separated from the assembly portion 51, in this embodiment, the support bases 4 may be moved in the first direction or the second direction by first separating one support base 4 from the current assembly portion 51 and then fixing the support base 4 to the other assembly portion 51, so that the position of the support base 4 may be arbitrarily adjusted in the horizontal plane.

More specifically, when one support seat 4 is fixed to one assembly portion 51, the support seat 4 may be detached from the assembly portion 51 when the support seat 4 needs to be moved in the first direction, and then the support seat 4 may be moved to another assembly portion 51 in the first direction, and when the support seat 4 needs to be moved in the second direction, the support seat 4 may be detached from the current assembly portion 51, and then the support seat 4 may be moved to another assembly portion 51 in the second direction, so that the support seat 4 may be moved in the first direction or the second direction, or the position of the support seat 4 may be adjusted on the horizontal plane.

When two supporting seats 4 are arranged on the platform 1, and the two supporting seats 4 are arranged at intervals along the first direction, the distance between the two supporting seats 4 can be adjusted by moving one supporting seat 4 along the first direction, or the distance between the two supporting seats 4 can be adjusted by moving both supporting seats 4 along the first direction, and the position of the two supporting seats 4 on the platform 1 can be adjusted by translating both supporting seats 4 along the first direction or the second direction.

Similarly, when the two supporting seats 4 are arranged at intervals along the second direction, the distance between the two supporting seats 4 can be adjusted by moving one supporting seat 4 along the second direction, or the distance between the two supporting seats 4 can be adjusted by moving both supporting seats 4 along the second direction, and the position of the two supporting seats 4 on the platform 1 can be adjusted by translating both supporting seats 4 along the first direction or the second direction.

Referring to fig. 1, in combination with fig. 2, in some embodiments, the platform 1 includes a base 11 and a platform panel 12, the platform panel 12 is mounted on the base 11, the support frame 2 and the platform panel 12 are slidably connected along the first direction, the platform panel 12 and the loading device 3 are disposed opposite to each other, and a plurality of mounting plates 5 are disposed on the platform panel 12.

Specifically, the platform 1 may further include a base 11 and a platform panel 12, four supporting legs may be disposed at four corners of the base 11, and the four supporting legs may be supported on the ground, so that the base 11 may be stably disposed on the ground, the platform panel 12 may be mounted on the base 11, and the base 11 plays a role in supporting the platform panel 12.

The support frame 2 can movable mounting on the platform panel 12 for the support frame 2 can be for platform panel 12 along first direction removal, and platform panel 12 can set up with loading device 3 relatively, can be equipped with a plurality of mounting panels 5 on the platform panel 12, makes supporting seat 4 can set up on platform panel 12, thereby can drive loading device 3 through removing support frame 2 and remove, makes loading device 3 remove to directly over the supporting seat 4, can conveniently adjust the position of loading device 3.

Referring to fig. 1 and 2, in some embodiments, a guide rail 121 is disposed on the platform panel 12, the guide rail 121 is disposed to extend along the first direction, a chute 21 is disposed on the support frame 2, the chute 21 is disposed to extend along the first direction, and the guide rail 121 and the chute 21 are slidably engaged.

Specifically, a side of the platform panel 12 facing the base 11 may be provided with a guide rail 121, and the guide rail 121 may be disposed to extend along a first direction, and the support frame 2 may be provided with a chute 21, and the chute 21 may be disposed to extend along the first direction, so that the guide rail 121 may be slidably engaged with the chute 21, so that the support frame 2 may slide along the first direction relative to the platform panel 12.

Preferably, the platform panel 12 may be provided with two guide rails 121, the two guide rails 121 may be disposed on two opposite sides of the platform panel 12 along the second direction, and the support frame 2 may also be provided with two sliding grooves 21, and the two guide rails 121 may be respectively inserted into the two sliding grooves 21, so that the support frame 2 moves more stably relative to the platform panel 12.

Referring to fig. 1 and 2, in some embodiments, the mechanical experiment platform further includes a locking member 6, where the locking member 6 is mounted on the support frame 2, and the locking member 6 is disposed opposite to the platform panel 12, and the locking member 6 is used to lock the support frame 2 and the platform panel 12.

Specifically, the mechanical experiment platform may further include a locking member 6, in this embodiment, the locking member 6 may be in threaded engagement with the support frame 2, and the locking member 6 may be disposed opposite to the platform panel 12, and the locking member 6 may be driven to move in a direction close to or far away from the platform panel 12 by rotating the locking member 6, so that the locking member 6 may be driven to move in a direction close to the platform panel 12 by screwing the locking member 6, so that the locking member 6 abuts against the platform panel 12, so that the support frame 2 and the platform panel 12 are locked, and thus the support frame 2 may be firmly supported on the platform panel 12.

Referring to fig. 1 and 2, in some embodiments, the mechanical experiment platform further includes a driving part 7, where the driving part 7 is mounted on the base 11, and the driving part 7 is in driving connection with the support frame 2, so as to drive the support frame 2 to move along the first direction relative to the platform panel 12.

Specifically, the mechanical experiment platform may further include a driving portion 7, where the driving portion 7 may be mounted on the base 11, and the driving portion 7 may be in driving connection with the support frame 2, so that the driving portion 7 may drive the support frame 2 to move along the first direction relative to the platform panel 12, so as to facilitate adjusting the movement of the support frame 2 relative to the platform panel 12.

Referring to fig. 3, in some embodiments, the driving portion 7 includes a screw 71 and a hand wheel 72, the screw 71 is disposed on the base 11 along the first direction, and the screw 71 is in driving connection with the support 2, two opposite ends of the screw 71 are respectively provided with one hand wheel 72, and the screw 71 is driven by rotating the hand wheel 72 to drive the support 2 to move along the first direction.

Specifically, the driving part 7 may include a screw 71 and a hand wheel 72, the screw 71 may be disposed on the base 11 along the first direction, preferably, the screw 71 may be rotatably disposed inside the base 11, and opposite ends of the screw 71 may extend out of the base 11, and the screw 71 may be further in driving connection with the support frame 2, and opposite ends of the screw 71 are respectively provided with a hand wheel 72.

Therefore, the screw rod 71 can be driven to rotate through the rotating hand wheel 72, the rotating screw rod 71 can drive the support frame 2 to move along the first direction, more clearly, when the hand wheel 72 is rotated along the positive direction, the screw rod 71 can drive the support frame 2 to move along the positive direction of the X axis, when the hand wheel 72 is rotated along the negative direction, the screw rod 71 can drive the support frame 2 to move along the negative direction of the X axis, the support frame 2 can be driven to move more stably through rotating the screw rod 71, and the screw rod 71 has a self-locking function, so that the support frame 2 is locked more stably.

Referring to fig. 1 to 3, in some embodiments, the supporting frame 2 includes two upright posts 22, an upper beam 23 and a lower beam 24, the two upright posts 22 are respectively disposed on opposite sides of the platform 1, opposite ends of the upper beam 23 are respectively connected with one ends of the two upright posts 22, the loading device 3 is disposed on the upper beam 23, the lower beam 24 is located on a side of the platform 1 facing away from the upper beam 23, opposite ends of the lower beam 24 are respectively connected with the other ends of the two upright posts 22, and the driving part 7 is in driving connection with the lower beam 24.

Specifically, the support frame 2 may include two columns 22, an upper beam 23 and a lower beam 24, the two columns 22 are disposed along a vertical direction, the two columns 22 are disposed on opposite sides of the platform 1 at intervals along a second direction, and opposite ends of the upper beam 23 may be connected with one ends of the two columns 22, respectively, so that the upper beam 23 is supported directly above the platform 1, and the loading device 3 may be disposed on the upper beam 23, so that the loading device 3 may be mounted directly above the platform 1.

The lower beam 24 can be arranged on one side of the platform 1, which is opposite to the upper beam 23, and the opposite ends of the lower beam 24 can be respectively connected with the other ends of the two upright posts 22, the lower beam 24 can increase the structural strength of the support frame 2, and the driving part 7 can be in driving connection with the lower beam 24, so that the driving part 7 can drive the support frame 2 to move along the first direction, and the loading device 3 can be conveniently adjusted to be aligned with the experimental test piece 10 on the platform 1.

Referring to fig. 1, in some embodiments, the support base 4 includes a stand body 41, a connection plate 42, and a connection member 43, where the stand body 41 is fixed on the connection plate 42, the connection plate 42 is provided with a connection hole, the assembly portion 51 is a threaded hole, and the connection member 43 is inserted into the connection hole and the threaded hole.

Specifically, the supporting seat 4 may include a stand body 41, a connecting plate 42 and a connecting piece 43, where the stand body 41 may be fixed on the connecting plate 42 along a vertical direction, and a connecting hole may be formed on the connecting plate 42, in this embodiment, two opposite ends of the connecting plate 42 are respectively provided with a connecting hole, the stand body 41 may be fixed at a middle position of the connecting plate 42, the assembly portion 51 may be a threaded hole, preferably, the connecting piece 43 is a bolt, and two bolts may be respectively inserted into the two connecting holes and respectively inserted into the corresponding two threaded holes, so that the stand body 41 may be more firmly mounted on the platform 1, thereby making the stand body 41 selectively fixed or separated from the platform 1, and facilitating the mounting of the stand body 41 on the platform 1.

Referring to fig. 1, in some embodiments, a plurality of mounting plates 5 are sequentially arranged at intervals, a sliding groove 8 is formed between two adjacent mounting plates 5, and the connecting plate 42 is slidably connected with the sliding groove 8 through a sliding block.

Specifically, the plurality of mounting plates 5 may be arranged at intervals in the first direction, so that a gap between two adjacent mounting plates 5 may form a sliding groove 8, in this embodiment, a sliding block may be disposed in the sliding groove 8, and the connecting plate 42 may be connected with the sliding block, so that the connecting plate 42 may slide along the sliding groove 8, and the position of the supporting seat 4 may be more conveniently adjusted.

Referring to fig. 1, in some embodiments, the mechanical test platform further includes a connection post 9, where the connection post 9 is selectively fixed to or separated from the corresponding fitting portion 51, and the connection post 9 is used to connect to the test piece 10.

Specifically, the mechanics experiment platform can also include spliced pole 9, spliced pole 9 can be selectively fixed or break away from on the assembly portion 51 that corresponds to can conveniently adjust the position of spliced pole 9, in this embodiment, can be equipped with a plurality of connecting through-holes on the spliced pole 9, can be connected through connecting through-hole and experiment test piece 10, a plurality of connecting through-holes can connect multiple different experiment test pieces 10, can make can do multiple different mechanics experiments on mechanics experiment platform, make things convenient for the mr to carry out the teaching, and make things convenient for the student to carry out mechanics experiments.

More clearly, when the teacher needs to carry out various experimental teaching, can install multiple different experimental test pieces 10 on a spliced pole 9 and carry out different mechanics experiments, need not to dismantle the operation of changing experimental test pieces 10, can make things convenient for mr and student to carry out mechanics experiments.

When the mechanical experiment platform provided by the utility model is used, one supporting seat 4 can be fixed on the assembling part 51, then the other supporting seat 4 is moved along the first direction or the second direction until the distance between the two supporting seats 4 is adjusted to a proper distance, the distance can be matched with the size of an experiment test piece 10, then the experiment test piece 10 is mounted on the two supporting seats 4, and the position of the loading device 3 can be adjusted by moving the supporting frame 2 along the first direction, so that the loading device 3 and the experiment test piece 10 are aligned, and the loading device 3 can act on the experiment test piece 10.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.

Claims

1. The utility model provides a mechanical experiment platform which characterized in that: comprises a platform (1), a supporting frame (2), a loading device (3), a supporting seat (4) and a plurality of mounting plates (5);

Wherein the support frame (2) is arranged on the platform (1);

The loading device (3) is slidably arranged at the top of the supporting frame (2), and the loading device (3) and the platform (1) are oppositely arranged;

The mounting plates (5) are arranged on the side surface, facing the loading device (3), of the platform (1) along a first direction, the mounting plates (5) are all arranged in an extending mode along a second direction, the first direction and the second direction are intersected, a plurality of assembling parts (51) are arranged on each mounting plate (5), and the assembling parts (51) are arranged at intervals along the second direction;

The support seat (4) is selectively fixed to or separated from the fitting portion (51).

2. The mechanical experiment platform of claim 1, wherein: the platform (1) comprises a base (11) and a platform panel (12), wherein the platform panel (12) is installed on the base (11), the support frame (2) is in sliding connection with the platform panel (12) along the first direction, the platform panel (12) and the loading device (3) are oppositely arranged, and a plurality of mounting plates (5) are arranged on the platform panel (12).

3. The mechanical experiment platform of claim 2, wherein: the platform panel (12) is provided with a guide rail (121), the guide rail (121) extends along the first direction, the support frame (2) is provided with a sliding groove (21), the sliding groove (21) extends along the first direction, and the guide rail (121) is in sliding fit with the sliding groove (21).

4. The mechanical experiment platform of claim 2, wherein: still include retaining member (6), retaining member (6) install in on support frame (2), just retaining member (6) with platform panel (12) set up relatively, retaining member (6) are used for locking support frame (2) with platform panel (12).

5. The mechanical experiment platform of claim 2, wherein: the device also comprises a driving part (7), wherein the driving part (7) is installed on the base (11), and the driving part (7) is in driving connection with the support frame (2) so as to drive the support frame (2) to move along the first direction relative to the platform panel (12).

6. The mechanical experiment platform of claim 5, wherein: the driving part (7) comprises a screw rod (71) and a hand wheel (72), the screw rod (71) is arranged on the base (11) along the first direction, the screw rod (71) is in driving connection with the support frame (2), one hand wheel (72) is respectively arranged at the opposite ends of the screw rod (71), and the screw rod (71) is driven to drive the support frame (2) to move along the first direction through rotating the hand wheel (72).

7. The mechanical experiment platform of claim 5, wherein: the support frame (2) include two stand (22), entablature (23) and underbeam (24), two stand (22) set up respectively in the opposite both sides of platform (1), just the opposite both ends of entablature (23) are connected with two one end of stand (22) respectively, loading device (3) set up in entablature (23), underbeam (24) are located platform (1) dorsad one side of entablature (23), just the opposite both ends of underbeam (24) are connected with the other end of two stand (22) respectively, drive portion (7) with underbeam (24) drive connection.

8. The mechanical experiment platform of claim 1, wherein: the supporting seat (4) comprises a vertical seat body (41), a connecting plate (42) and a connecting piece (43), wherein the vertical seat body (41) is fixed on the connecting plate (42), a connecting hole is formed in the connecting plate (42), the assembling portion (51) is a threaded hole, and the connecting piece (43) is inserted into the connecting hole and the threaded hole.

9. The mechanical experiment platform of claim 8, wherein: the mounting plates (5) are sequentially arranged at intervals, a sliding groove (8) is formed between every two adjacent mounting plates (5), and the connecting plates (42) are connected with the sliding grooves (8) in a sliding mode through sliding blocks.

10. The mechanical experiment platform of claim 1, wherein: the device further comprises a connecting column (9), wherein the connecting column (9) is selectively fixed or separated from the corresponding assembling part (51), and the connecting column (9) is used for connecting an experimental test piece (10).