CN212646302U

CN212646302U - A but, flat compression bottom plate for material testing machine

Info

Publication number: CN212646302U
Application number: CN202021294292.1U
Authority: CN
Inventors: 周勇
Original assignee: Wuhan Yongkuan Machinery Manufacturing Co ltd
Current assignee: Wuhan Yongkuan Machinery Manufacturing Co ltd
Priority date: 2020-07-06
Filing date: 2020-07-06
Publication date: 2021-03-02
Anticipated expiration: 2030-07-06

Abstract

The utility model discloses a can level compression bottom plate for material testing machine, including interior concave spherical base and evagination spherical clamp plate, evagination spherical clamp plate bottom is equipped with interior concave spherical base, the spherical base edge of indent has all been seted up quantity and has been three screw thread through-hole, and quantity is equipped with the screw thread ejector pin in the three screw thread through-hole respectively, the spherical base edge of indent be equipped with quantity be three with screw thread through-hole interval evenly distributed's notch. Has the advantages that: if the spherical clamp plate of evagination inclines, through adjusting the screw ejector pin, make its top to the spherical clamp plate bottom surface of evagination, push up it flat, form three point support state, promptly for locking the clamp plate angle, consequently can the leveling compress the bottom plate, in the device use, plays dustproof effect to straining spring through the dustproof mechanism that sets up, contains dust pollution in avoiding the air, the adhesion is on straining spring, forms the dirt and is unfavorable for the better use of straining spring.

Description

A but, flat compression bottom plate for material testing machine

Technical Field

The utility model relates to an experiment mechanics technical field particularly, relates to a can level compression bottom plate for material testing machine.

Background

At present, a uniaxial compression test is a basic method for testing the mechanical properties of a material, has the characteristics of simplicity and reliability, can clearly reflect three processes of elasticity, plasticity and fracture of the material after being acted by an external force, is mainly used for detecting whether the material meets the specified standard and researching the properties of the material, and usually needs to adjust an upper pressure head and a lower pressure head in the compression test assembly process to enable two contact surfaces of the upper pressure head and the lower pressure head to be parallel so as to achieve a better test effect. But there is the deviation about anchor clamps in the assembling process in compression system, and two compression face contacts can not parallel contact totally, has certain contained angle, will appear in compression test like this that the sample terminal surface atress is uneven, leads to the sample to destroy in advance, and the test data is inaccurate.

An effective solution to the problems in the related art has not been proposed yet.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a can leveling compression bottom plate for material testing machine to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a flat-adjustable compression base plate for a material testing machine comprises an inner concave spherical base and an outer convex spherical pressing plate, wherein the inner concave spherical base is arranged at the bottom of the outer convex spherical pressing plate, three thread through holes are formed in the edge of the inner concave spherical base, thread mandrils are respectively arranged in the three thread through holes, three notches are formed in the edge of the inner concave spherical base and are uniformly distributed with the thread through holes at intervals, spring hook blocks are fixedly arranged in the outer convex spherical pressing plate, tension springs are arranged in the notches, auxiliary spring hook blocks are fixedly arranged at the bottoms of the inner concave spherical base and in the notches, fixed plates are fixedly arranged at the bottom ends of the tension springs and the top ends of the tension springs, hook rods are arranged on the other end faces of the fixed plates and are respectively matched with the spring hook blocks and the auxiliary spring hook blocks, the tensioning spring is sleeved with a dustproof mechanism, and the convex spherical pressing plate is provided with a horizontal display mechanism.

Furthermore, hook holes matched with the hook rods are formed in the spring hook blocks and the auxiliary spring hook blocks, and a convex spherical structure and a concave spherical structure between the convex spherical pressing plate and the concave spherical base are matched to form a universal adjusting and main bearing structure.

Furthermore, the dustproof mechanism is a micro corrugated telescopic sleeve, the micro corrugated telescopic sleeve is fixed between the fixed plates respectively, the threaded through hole and the threaded ejector rod are fine threads, the top of the threaded ejector rod is a spherical inverted round surface, and the bottom of the threaded ejector rod is an inner hexagon.

Further, show horizontal mechanism and be the level bubble, convex spherical clamp plate top central point puts and has seted up the groove that sets up, the level bubble has been placed to the inslot that sets up, the level bubble with set up the groove cooperation, the level bubble is the block of making by transparent material, the inside straight banding bubble chamber that is provided with of level bubble, the bubble chamber is annotated and is had liquid and formation bubble.

Further, the spherical clamp plate of evagination is located the mounting groove has all been seted up to the both sides that set up the groove, the thread plate has all been placed in the mounting groove, the thread plate top with the spherical clamp plate top of evagination is located same horizontal plane, the thread plate with carry out fixed mounting through the screw between the mounting groove.

Compared with the prior art, the utility model discloses following beneficial effect has:

the convex spherical pressing plate and the concave spherical base are linked and tensioned by the tensioning spring, and are tightly attached, the convex spherical pressing plate and the concave spherical base form a whole, a certain distance is reserved between the convex spherical pressing plate and the concave spherical base after the convex spherical pressing plate and the concave spherical base are matched, a leveling space is formed, the convex spherical pressing plate can have a certain space which can freely move, the horizontal state of the convex spherical pressing plate can be detected at any time through a display horizontal mechanism, the convex spherical pressing plate can freely rotate in a spherical pit of the concave spherical base, if the convex spherical pressing plate inclines, the convex spherical pressing plate is jacked to the bottom surface of the convex spherical pressing plate through adjusting a threaded jacking rod and is leveled to form a three-point supporting state, namely a locking pressing plate angle, so that the compression bottom plate can be leveled, and the tensioning spring has a dustproof effect through the arranged dustproof mechanism in the use process of the device, the dust pollution in the air is avoided, the dust is adhered to the tension spring, and the formed dirt is not beneficial to the better use of the tension spring.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a front view of a flattenable compression base plate for a materials testing machine according to an embodiment of the present disclosure;

fig. 2 is a schematic view of a convex spherical pressing plate of a leveling compression base plate for a material testing machine according to an embodiment of the present invention.

Reference numerals:

1. an inwardly concave spherical base; 2. a convex spherical pressing plate; 3. a threaded through hole; 4. a threaded ejector rod; 5. a notch; 6. a spring hook block; 7. tensioning the spring; 8. an auxiliary spring hook block; 9. a fixing plate; 10. a hook rod; 11. a micro corrugated expansion sleeve; 12. horizontal bubble; 13. arranging a groove; 14. mounting grooves; 15. a thread plate; 16. and (4) screws.

Detailed Description

The following, with reference to the drawings and the detailed description, further description of the present invention is made:

in order to make the above objects, features and advantages of the present invention more clearly understood, the present invention will be further described with reference to the accompanying drawings and examples. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the present invention is not limited to the limitations of the specific embodiments of the present disclosure.

The first embodiment is as follows:

referring to fig. 1-2, according to an embodiment of the present invention, a flat-adjustable compression bottom plate for a material testing machine includes an inner concave spherical base 1 and an outer convex spherical pressing plate 2, the inner concave spherical base 1 is disposed at the bottom of the outer convex spherical pressing plate 2, three threaded through holes 3 are disposed at the edge of the inner concave spherical base 1, threaded push rods 4 are disposed in the three threaded through holes 3, three notches 5 are disposed at the edge of the inner concave spherical base 1 and are uniformly spaced from the threaded through holes 3, a spring hook block 6 is fixedly disposed in the outer convex spherical pressing plate 2, a tension spring 7 is disposed in each notch 5, an auxiliary spring hook block 8 is fixedly disposed at the bottom of each notch 5 on the inner concave spherical base 1, a fixing plate 9 is fixedly disposed at the bottom of each tension spring 7 and at the top of each tension spring 7, the other end face of the fixed plate 9 is provided with a hook rod 10, the hook rod 10 is respectively matched with the spring hook block 6 and the auxiliary spring hook block 8, the tensioning spring 7 is sleeved with a dustproof mechanism, and the convex spherical pressing plate 2 is provided with a horizontal display mechanism.

Example two:

referring to fig. 1, for the spring hook block 6, hook holes matched with the hook rods 10 are formed on the spring hook block 6 and the auxiliary spring hook block 8, and the convex spherical structure and the concave spherical structure between the convex spherical pressing plate 2 and the concave spherical base 1 are adapted to form a universal adjusting and main bearing structure.

Example three:

referring to fig. 1, for the dustproof mechanism, the dustproof mechanism is a micro corrugated telescopic sleeve 11, the micro corrugated telescopic sleeve 11 is respectively fixed between the fixing plates 9, the threaded through hole 3 and the threaded ejector rod 4 are fine threads, the top of the threaded ejector rod 4 is a spherical inverted round surface, and the bottom of the threaded ejector rod 4 is an inner hexagon.

Through the above technical scheme of the utility model, beneficial effect: the miniature corrugated telescopic sleeve 11 plays a dustproof effect on the tension spring 7, dust pollution in the air is avoided, the dust is adhered to the tension spring 7, and dirt is formed to be unfavorable for better use of the tension spring 7.

Example four:

referring to fig. 2, for the horizontal display mechanism, the horizontal display mechanism is a horizontal bubble 12, a setting groove 13 is formed in the center of the top end of the convex spherical pressing plate 2, the horizontal bubble 12 is placed in the setting groove 13, the horizontal bubble 12 is matched with the setting groove 13, the horizontal bubble 12 is a block made of a transparent material, a straight strip-shaped bubble cavity is formed in the horizontal bubble 12, and liquid is filled in the bubble cavity to form a bubble.

Through the above technical scheme of the utility model, beneficial effect: an operator can intuitively acquire the horizontal state of the convex spherical pressing plate 2 through the horizontal bubble 12 and adjust the convex spherical pressing plate 2 according to the condition of the horizontal bubble 12, so that the leveling can be accurately performed.

Example five:

referring to fig. 2, for the convex spherical pressing plate 2, mounting grooves 14 are formed on both sides of the convex spherical pressing plate 2, which are located on the mounting groove 13, screw plates 15 are disposed in the mounting grooves 14, the top ends of the screw plates 15 and the top ends of the convex spherical pressing plate 2 are located on the same horizontal plane, and the screw plates 15 and the mounting grooves 14 are fixedly mounted through screws 16.

Through the above technical scheme of the utility model, beneficial effect: the arrangement is convenient for dismounting and replacing the horizontal bubble 12, and the service life of the device is prolonged.

For the convenience of understanding the above technical solution of the present invention, the following detailed description is made on the working principle or the operation mode of the present invention in the practical process:

in practical application, the convex spherical pressing plate 2 and the concave spherical base 1 are linked and tensioned by the tensioning spring 7, the convex spherical pressing plate 2 and the concave spherical base 1 are tightly attached, the convex spherical pressing plate 2 and the concave spherical base 1 are integrated, a certain distance is reserved between the convex spherical pressing plate 2 and the concave spherical base 1 after the convex spherical pressing plate 2 and the concave spherical base 1 are matched, a leveling space is formed, the convex spherical pressing plate 2 can have a certain space and can freely move, the horizontal state of the convex spherical pressing plate 2 is detected at any time through the display horizontal mechanism, the convex spherical pressing plate 2 can freely rotate in the spherical pit of the concave spherical base 1, if the convex spherical pressing plate 2 inclines, the convex spherical pressing plate is pushed to the bottom surface of the convex spherical pressing plate 2 through the adjusting threaded ejector rod 4 and is pushed flat to form a three-point supporting state, namely, the pressing plate angle is locked, so that, in the device use, dustproof effect is played to straining spring 7 through the dustproof mechanism that sets up, contains dust pollution in avoiding the air, and the adhesion is on straining spring 7, and it is unfavorable for the better use of straining spring 7 to form the dirt.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a can level compression bottom plate for material testing machine, a serial communication port, including indent spherical base (1) and evagination spherical clamp plate (2), evagination spherical clamp plate (2) bottom is equipped with indent spherical base (1), quantity is three screw through-hole (3) have all been seted up at indent spherical base (1) edge, is equipped with screw ejector pin (4) in the three screw through-hole (3) respectively in quantity, indent spherical base (1) edge be equipped with quantity be three with screw through-hole (3) interval evenly distributed's notch (5), evagination spherical clamp plate (2) internal fixation is equipped with spring couple piece (6), be equipped with straining spring (7) in notch (5), lie in indent spherical base (1) the bottom all is fixed to be equipped with vice spring couple piece (8) in notch (5), the bottom of straining spring (7) with the top of straining spring (7) all is fixed to be equipped with the fixed plate (9) The fixing plate is characterized in that a hook rod (10) is arranged on the other end face of the fixing plate (9), the hook rod (10) is respectively matched with the spring hook block (6) and the auxiliary spring hook block (8), a dustproof mechanism is sleeved on the tensioning spring (7), and a display horizontal mechanism is arranged on the outer convex spherical pressing plate (2).

2. The flat-adjustable compression bottom plate for the material testing machine is characterized in that hook holes matched with the hook rods (10) are formed in the spring hook block (6) and the auxiliary spring hook block (8), and a convex spherical structure and a concave spherical structure between the convex spherical pressing plate (2) and the concave spherical base (1) are matched to form a universal adjusting and main bearing structure.

3. The flat-adjustable compression bottom plate for the material testing machine according to claim 1, wherein the dustproof mechanism is a micro corrugated expansion sleeve (11), the micro corrugated expansion sleeve (11) is respectively fixed between the fixing plates (9), the threaded through hole (3) and the threaded ejector rod (4) are fine threads, the top of the threaded ejector rod (4) is a spherical inverted round surface, and the bottom of the threaded ejector rod (4) is an inner hexagon.

4. The flat-adjustable compression bottom plate for the material testing machine according to claim 1, characterized in that the display horizontal mechanism is a horizontal bubble (12), a setting groove (13) is formed in the center of the top end of the convex spherical pressing plate (2), the horizontal bubble (12) is placed in the setting groove (13), the horizontal bubble (12) is matched with the setting groove (13), the horizontal bubble (12) is a block made of a transparent material, a straight strip-shaped bubble cavity is arranged in the horizontal bubble (12), and liquid is filled in the bubble cavity to form the bubble.

5. The flat-adjustable compression bottom plate for the material testing machine is characterized in that mounting grooves (14) are formed in two sides, located on the arrangement groove (13), of the convex spherical pressing plate (2), thread plates (15) are placed in the mounting grooves (14), the top ends of the thread plates (15) and the top ends of the convex spherical pressing plate (2) are located on the same horizontal plane, and the thread plates (15) and the mounting grooves (14) are fixedly mounted through screws (16).