CN211717959U

CN211717959U - Tensile test fixture device suitable for aluminum matrix composite

Info

Publication number: CN211717959U
Application number: CN201922363458.4U
Authority: CN
Inventors: 陶纪明
Original assignee: Zhenjiang Sida Alloy Materials Co ltd
Current assignee: Zhenjiang Sida Alloy Materials Co ltd
Priority date: 2019-12-25
Filing date: 2019-12-25
Publication date: 2020-10-20
Anticipated expiration: 2029-12-25

Abstract

The utility model discloses an aluminum matrix composite testing arrangement technical field specifically is a tensile test fixture device who is suitable for aluminum matrix composite, comprises a workbench, the fixed welding in lower surface both sides of workstation has the supporting leg, the lower surface of workstation is the fixed control panel that is provided with between two parties, the upper surface of workstation is provided with a pair of fixed plate, the threaded hole has been seted up on the both sides surface of fixed plate, it is provided with adjusting bolt to alternate in the screw hole, adjusting bolt's medial extremity articulates through miniature bearing has movable splint, movable splint's lower extreme slip card is located in the recess that the workstation upper surface was seted up. The utility model discloses a tensile limit force compression spring reachs the qualified level that the power of predetermineeing length is aluminium matrix composite holding capacity, waits when detecting, and aluminium matrix composite is not impaired to explain the material quality qualified, and impaired then is affirmed unqualifiedly, device simple structure, and is with low costs, convenient operation.

Description

Tensile test fixture device suitable for aluminum matrix composite

Technical Field

The utility model relates to an aluminium base composite testing arrangement technical field specifically is a tensile test fixture device who is suitable for aluminium base composite.

Background

The aluminum-based composite material is a material which has strong vitality and emerges according to the development requirements of modern science, is compounded by two or more materials with different properties through various process means, and becomes one of the most common and important materials in the metal-based composite material. According to the difference of the reinforcement, the aluminum-based composite material can be divided into a fiber-reinforced aluminum-based composite material and a particle-reinforced aluminum-based composite material, the quality of the aluminum-based composite material needs to be checked after the production of the aluminum-based composite material is finished, and no device for measuring the tensile strength of the aluminum-based composite material exists at present.

Therefore, a tensile test fixture device suitable for the aluminum matrix composite is provided to well solve the defects.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a be suitable for aluminium matrix composite's tensile test fixture device to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a tensile test fixture device suitable for aluminum-based composite materials comprises a workbench, supporting legs are fixedly welded on two sides of the lower surface of the workbench, a control panel is fixedly arranged on the lower surface of the workbench in the middle, a pair of fixing plates are arranged on the upper surface of the workbench, threaded holes are formed in the surfaces of two sides of the fixing plates, adjusting bolts are inserted in the threaded holes, the inner side ends of the adjusting bolts are hinged to movable clamping plates through small bearings, the lower ends of the movable clamping plates are slidably clamped in grooves formed in the upper surface of the workbench, a hollow stroke column is fixedly welded on the upper surface of the workbench, limiting rods are vertically and fixedly arranged in the hollow stroke column, notches are formed in the inner sides of the hollow stroke column, parallel plates are movably arranged up and down in the notches, and through holes are formed in the surface of one end, located inside the hollow stroke column, of the parallel plates, the utility model discloses a safety device for a railway vehicle, including gag lever post, parallel plate, spring groove, T type connecting piece, gag lever post alternate in the through-hole, the lower surface that the parallel plate is located the inside of well shape journey post still fixed welding has electric telescopic handle, the outer end lower surface welding of parallel plate has vertical post, the inside spring groove that has seted up in below of vertical post, spring groove both sides fixed welding has spacing slide bar, it is provided with T type connecting piece to slide on the spacing slide bar, the roof fixed welding of limiting force compression spring and spring groove is passed through to the upper surface of T type connecting piece, the fixed welding of lower extreme of T

Preferably, the gap formed by the movable clamping plate and the clamping opening of the mechanical clamp are positioned on the same central axis.

Preferably, the inner side wall of the movable clamping plate is fixedly attached with a rubber layer, and the surface of the rubber layer is uniformly distributed with the raised particles.

Preferably, the bottom of the hollow stroke column and the lower surface of the parallel plate are both provided with wire holes, built-in lines are buried in the paths of the control panel, the bottom of the hollow stroke column and the wire holes in the lower surface of the parallel plate, and the built-in lines are electrically connected with the mechanical clamp through elastic wires outside the wire holes.

Preferably, the limiting slide bars are arranged in two, and the two limiting slide bars are centrosymmetric about the limiting force compression spring.

Preferably, the inner side end of the adjusting bolt is fixedly welded with the inner wall of the inner ring of the small bearing, and the outer side face of the movable clamping plate is fixedly welded with the end face of the outer ring of the small bearing.

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

1. the utility model discloses a tensile limit force compression spring reaches the qualified level of aluminium matrix composite holding capacity for the power of predetermineeing length, and when detecting, aluminium matrix composite does not impaired to explain that the material quality is qualified, impaired then deem unqualified, and the device simple structure, with low costs, convenient operation;

2. the utility model discloses a twist and move adjusting bolt and can make two movable clamp plate draw close to until carrying out the aluminium matrix composite centre gripping that stabilizes fast to the centre gripping.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged schematic view of the structure of FIG. 1;

fig. 3 is a schematic structural view of the movable splint of the present invention.

In the figure: 1. a work table; 2. a control panel; 3. a fixing plate; 4. adjusting the bolt; 5. a movable splint; 6. a hollow shaped travel post; 7. a limiting rod; 8. parallel plates; 9. an electric telescopic rod; 10. a spring slot; 11. a limiting slide bar; 12. a T-shaped connector; 13. a force limiting compression spring; 14. and (4) mechanically clamping.

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. 1-3, the present invention provides a technical solution: a tensile test fixture device suitable for aluminum matrix composites comprises a workbench 1, supporting legs are fixedly welded on two sides of the lower surface of the workbench 1, a control panel 2 for controlling the operation of the whole device is fixedly arranged in the middle of the lower surface of the workbench 1,

the upper surface of a workbench 1 is provided with a pair of fixed plates 3, the surfaces of two sides of the fixed plates 3 are provided with threaded holes, adjusting bolts 4 are inserted in the threaded holes, the inner side ends of the adjusting bolts 4 are hinged with movable clamping plates 5 through small bearings, the inner side walls of the movable clamping plates 5 are fixedly attached with rubber layers, the surfaces of the rubber layers are uniformly distributed with raised particles for increasing friction force, the connecting mode is that the inner side ends of the adjusting bolts 4 are fixedly welded with the inner wall of an inner ring of the small bearings, the outer side surfaces of the movable clamping plates 5 are fixedly welded with the end surface of an outer ring of the small bearings, the lower ends of the movable clamping plates 5 are slidably clamped in grooves, the gap formed by the movable clamping plate 5 is on the same central axis with the clamping opening of the mechanical clamp 14 (not shown in the figure), the two movable clamping plates 5 can be moved inwards by screwing the adjusting bolt 4 until the aluminum matrix composite material is stably clamped;

a hollow travel post 6 is fixedly welded on one upper surface of the workbench 1, a limiting rod 7 is vertically and fixedly arranged inside the hollow travel post 6, a notch for a movable parallel plate 8 is formed in the inner side of the hollow travel post 6, a through hole is formed in the surface of one end, located inside the hollow travel post 6, of the parallel plate 8, the limiting rod 7 is inserted into the through hole to limit the up-and-down movement, and the parallel plate 8 is lifted and descended through the expansion and contraction of an electric telescopic rod 9 located on the lower surface inside the hollow travel post 6;

as shown in fig. 2, a vertical column is welded on the lower surface of the outer side end of the parallel plate 8, a spring groove 10 is formed in the lower portion of the vertical column, two limit slide bars 11 are fixedly welded on two sides of the spring groove 10, the two limit slide bars 11 are arranged and are centrosymmetric with respect to a force limiting compression spring 13, a T-shaped connecting piece 12 is slidably arranged on the limit slide bars 11, the upper surface of the transverse plate portion of the T-shaped connecting piece 12 is fixedly welded with the top wall of the spring groove 10 through the force limiting compression spring 13, the lower end of the vertical rod of the T-shaped connecting piece 12 is fixedly welded with a mechanical clamp 14, a certain force is required for the force limiting compression spring 13 to be stretched, and under the condition that the transverse plate of the T-shaped connecting piece 12 is stretched to be attached to the bottom wall of the spring groove 10, the force for stretching the force limiting compression spring 13 to reach the length is the qualified level of the, the aluminum matrix composite material is not damaged, which indicates that the material quality is qualified, and the aluminum matrix composite material is not qualified if damaged.

In order to enable the parallel plates 8 to move up and down, the mechanical clamp 14 can be electrically connected with the control panel 2 in real time, the bottom of the hollow travel post 6 and the lower surface of the parallel plates 8 are provided with wire holes, built-in circuits are buried in the paths of the control panel 2, the bottom of the hollow travel post 6 and the wire holes in the lower surface of the parallel plates 8, the built-in circuits are electrically connected with the mechanical clamp 14 through elastic wires outside the wire holes, and a programmable PLC (programmable logic controller) module is adopted in the control panel 2.

The working principle is as follows: one end of an aluminum-based composite material to be detected is placed between the two movable clamping plates 5, then the movable clamping plates 5 are moved through the adjusting bolts 4 to clamp the aluminum-based composite material, then the mechanical clamp 14 is used for fixedly clamping the upper end of the aluminum-based composite material to stretch upwards through controlling the stretching of the electric telescopic rod 9 until the transverse plate of the T-shaped connecting piece 12 is stretched to be attached to the bottom wall of the spring groove 10, the force of the stretching limiting force compression spring 13 reaching the length is the qualified level of the bearing force of the aluminum-based composite material, when the aluminum-based composite material is detected, the aluminum-based composite material is not damaged, and the aluminum-based composite material is judged to be unqualified if the aluminum-based.

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 be suitable for aluminium matrix composite's tensile test fixture device, includes workstation (1), the fixed welding in lower surface both sides of workstation (1) has supporting leg, its characterized in that: the lower surface of the workbench (1) is fixedly provided with a control panel (2) in the middle, the upper surface of the workbench (1) is provided with a pair of fixed plates (3), threaded holes are formed in the surfaces of the two sides of each fixed plate (3), adjusting bolts (4) are inserted into the threaded holes, the inner side ends of the adjusting bolts (4) are hinged to movable clamping plates (5) through small bearings, the lower ends of the movable clamping plates (5) are slidably clamped in grooves formed in the upper surface of the workbench (1), a hollow stroke column (6) is fixedly welded on the upper surface of the workbench (1), a limiting rod (7) is vertically and fixedly arranged in the hollow stroke column (6), a notch is formed in the inner side of the hollow stroke column (6), parallel plates (8) are movably arranged in the notch from top to bottom, a through hole is formed in the surface of one end, positioned in the hollow stroke column (6), of each parallel plate (8), stop lever (7) alternate in the through-hole, the lower surface that parallel plate (8) are located the inside of cavity shape journey post (6) still fixed welding have electric telescopic handle (9), the outer side end lower surface welding of parallel plate (8) has vertical post, spring groove (10) have been seted up to vertical post's below is inside, spring groove (10) both sides fixed welding has spacing slide bar (11), it is provided with T type connecting piece (12) to slide on spacing slide bar (11), the roof fixed weld of limiting force compression spring (13) and spring groove (10) is passed through to the upper surface of T type connecting piece (12), the lower extreme fixed welding of T type connecting piece (12) has mechanical fixture (14).

2. The tensile test fixture device applicable to the aluminum matrix composite material according to claim 1, wherein: the gap formed by the movable clamping plate (5) and the clamping opening of the mechanical clamp (14) are positioned on the same central axis.

3. The tensile test fixture device applicable to the aluminum matrix composite material according to claim 1, wherein: the inner side wall of the movable clamping plate (5) is fixedly attached with a rubber layer, and the surface of the rubber layer is uniformly distributed with protruding particles.

4. The tensile test fixture device applicable to the aluminum matrix composite material according to claim 1, wherein: the bottom of the hollow travel post (6) and the lower surface of the parallel plate (8) are provided with wire holes, built-in lines are buried in the paths of the control panel (2), the bottom of the hollow travel post (6) and the wire holes in the lower surface of the parallel plate (8), and the built-in lines are electrically connected with the mechanical clamp (14) through elastic wires outside the wire holes.

5. The tensile test fixture device applicable to the aluminum matrix composite material according to claim 1, wherein: the two limiting slide rods (11) are arranged, and the two limiting slide rods (11) are centrosymmetric relative to the force limiting compression spring (13).

6. The tensile test fixture device applicable to the aluminum matrix composite material according to claim 1, wherein: the inner side end of the adjusting bolt (4) is fixedly welded with the inner wall of the inner ring of the small bearing, and the outer side face of the movable clamping plate (5) is fixedly welded with the end face of the outer ring of the small bearing.