CN209495934U - Heat insulated shape bar of aluminum alloy longitudinal shear resistance characteristic value detecting tool - Google Patents

Abstract

The utility model relates to a kind of heat insulated shape bar of aluminum alloy longitudinal shear resistance characteristic value detecting tools, have fixed plate；The first collet and the second collet that is equipped with and can be locked at by locking assembly in fixed plate are slided respectively in the both ends of the upper surface of fixed plate；First collet and the second collet slide in opposition；The fixed installation chamber for clamping heat insulated shape bar of aluminum alloy is formed between first collet and the second collet；It is characterized by: rotation is equipped at least one horizontally disposed and the glide direction perpendicular to the first collet roll shaft on first collet；The part roll surface of roll shaft exceeds the plane of first the second collet of collet face.The utility model can reduce the frictional force to heat insulated shape bar of aluminum alloy by roll shaft, guarantee the accuracy of time data.The utility model is easy to operate simultaneously, can be used for the longitudinal shear resistance characteristic value detection of the heat insulated shape bar of aluminum alloy of various sizes.

Description

Longitudinal shear eigenvalue testing tool for aluminum alloy heat insulation profiles

technical field

The utility model relates to a tool for detecting aluminum alloy heat-insulating profiles, in particular to a tool for detecting longitudinal shear characteristic values of aluminum alloy heat-insulating profiles.

Background technique

Aluminum alloy heat insulation profiles are also called broken bridge aluminum alloys. Because of the heat insulation material in the middle of the profiles, they have good heat insulation and cold insulation effects, and are widely used in the construction field. After the aluminum alloy heat insulation profile is designed, the longitudinal shear characteristic value detection is generally carried out. Longitudinal shear eigenvalue detection can determine the resistance performance of materials under shear force. The effect of longitudinal shear eigenvalue detection has a great relationship with fixtures, and even directly affects the accuracy of detection.

The traditional longitudinal shear eigenvalue detection tool will select the corresponding size of rigid support block and fixture machine for longitudinal shear eigenvalue detection according to the size of the aluminum alloy heat insulation profile. However, the existing detection tooling is prone to friction with aluminum alloy heat-insulating profiles, thereby affecting the accuracy of detection. At the same time, in order to adapt to aluminum alloy heat insulation profiles of different sizes, it is necessary to prepare rigid support blocks of many sizes, which greatly increases the inspection cost.

Utility model content

The purpose of the utility model is to provide a convenient adjustment, accurate detection, and strong adaptability detection tool for longitudinal shear characteristic value of aluminum alloy heat-insulating profiles.

The technical solution for realizing the purpose of the utility model is: the utility model has a fixed plate; the two ends of the upper surface of the fixed plate are respectively slid to be provided with a first chuck and a second chuck which can be locked on the fixed plate by a locking assembly The first clamp and the second clamp slide towards each other; a fixed installation cavity for clamping aluminum alloy heat insulation profiles is formed between the first clamp and the second clamp; The rotation is provided with at least one roller shaft arranged horizontally and perpendicular to the sliding direction of the first chuck; part of the roller surface of the roller shaft exceeds the plane where the first chuck faces the second chuck.

The above-mentioned locking assembly includes a screw rod and a lock nut; both ends of the fixing plate are symmetrically provided with long grooves; both the first chuck and the second chuck are fixed with vertically downward screw rods; the screw rods pass through the long grooves on the corresponding sides It enters and protrudes from the lower end of the fixed plate; the end of the screw protruding from the fixed plate is equipped with a lock nut.

The upper surface of the second chuck close to the fixed plate is provided with a groove extending along the sliding direction of the second chuck and communicating with the fixed installation cavity; the sliding groove is provided with a rigid support that can slide into the fixed installation cavity block; the end of the container away from the fixed installation cavity is provided with a threaded through hole communicating with the outside; the threaded through hole is equipped with an adjusting screw; one end of the adjusting screw extends into the container and is rotationally connected with the rigid support block, and the adjusting screw The other end protrudes from the second chuck; the end of the adjusting screw protruding from the second chuck is fixed with an adjusting head that can rotate the adjusting screw.

As an optimization, two roller shafts arranged horizontally and perpendicular to the sliding direction of the first chuck are rotated on the first chuck.

The lower surface of the fixing plate is fixedly provided with a connecting head which can be fixed with the press.

The utility model has positive effects: (1) the utility model can reduce the friction force on the aluminum alloy heat-insulating profile through the roller shaft, and ensure the accuracy of the time data;

(2) In the utility model, the locking nut is arranged at the lower end of the fixed plate, and will not be affected by the first chuck and the second chuck during adjustment, which is convenient for adjustment;

(3) The rigid support block set by sliding in the utility model can not only adapt to aluminum alloy heat-insulating profiles of various sizes, but also is very quick and easy to operate.

Description of drawings

In order to make the content of the utility model easier to understand clearly, the utility model will be further described in detail below according to specific embodiments and in conjunction with the accompanying drawings, wherein

Fig. 1 is the structural representation of the utility model;

Fig. 2 is a sectional view of the utility model;

Fig. 3 is a schematic diagram of detection of the utility model.

Detailed ways

See Fig. 1 and Fig. 2, the utility model has fixed plate 1; The clamp 4; the first clamp 3 and the second clamp 4 slide towards each other; a fixed installation cavity 5 for clamping aluminum alloy heat-insulating profiles is formed between the first clamp 3 and the second clamp 4 ; The lower surface of the fixed plate 1 is fixedly provided with a connector 9 that can be fixed with the press.

Two roller shafts 6 arranged horizontally and perpendicular to the sliding direction of the first chuck are rotated on the first chuck 3; part of the roller surface of the roller shaft 6 exceeds the first chuck 3 and faces the second chuck 4 planes.

The locking assembly 2 includes a screw 21 and a lock nut 22; both ends of the fixing plate 1 are symmetrically provided with long grooves; both the first chuck 3 and the second chuck 4 are fixed with a vertically downward screw 21; The screw rod 21 penetrates through the long groove on the corresponding side and protrudes from the lower end surface of the fixing plate 1 ;

The upper surface of the second chuck 4 close to the fixed plate 1 is provided with a storage slot extending along the sliding direction of the second chuck 4 and communicating with the fixed installation cavity 5; Rigid support block 7 in the chamber 5; the end of the container away from the fixed installation chamber 5 is provided with a threaded through hole communicating with the outside; the threaded through hole is equipped with an adjusting screw 8; one end of the adjusting screw 8 extends into the container Rotately connected with the rigid support block 7, the other end of the adjusting screw 8 protrudes from the second chuck 4;

The working principle of the utility model is as follows:

Loosen the locking assembly 2 to ensure the slidability of the first chuck 3 and the second chuck 4; according to the size of the profile to be tested, adjust the adjusting screw 8 so that the rigid support block 7 extends into the fixed installation cavity 5 Corresponding size; then put the aluminum alloy heat-insulating profile into the fixed installation cavity 5, slide the first chuck 3 and the second chuck 4 towards each other, and lock them through the locking assembly 2, at this time the first chuck 3 and the second clamp 4 will be clamped by the side profile;

Next, fix the fixed plate 1 on the base of the press, and install a briquetting block on the pressure head of the press, and the briquetting block and the rigid support block 7 are staggered from each other, see FIG. 3 for details. Under the action of the press, the collection of detection data is realized.

The specific embodiments described above have further described the purpose, technical solutions and beneficial effects of the present utility model in detail. It should be understood that the above descriptions are only specific embodiments of the present utility model and are not intended to limit the present invention. For the utility model, any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the utility model shall be included in the protection scope of the utility model.

Claims (5)

1. A tool for detecting the longitudinal shear characteristic value of aluminum alloy heat-insulating profiles, which has a fixed plate (1); The first chuck (3) and the second chuck (4) on the fixed plate (1); the first chuck (3) and the second chuck (4) slide towards each other; the first chuck ( 3) and the second chuck (4) form a fixed installation cavity (5) for clamping aluminum alloy heat-insulating profiles; it is characterized in that: the first chuck (3) is rotated with at least one horizontal A roller shaft (6) arranged perpendicular to the sliding direction of the first chuck; a part of the roller surface of the roller shaft (6) exceeds the plane where the first chuck (3) faces the second chuck (4). 2. The aluminum alloy heat-insulating profile longitudinal shear characteristic value detection tool according to claim 1, characterized in that: the locking assembly (2) includes a screw (21) and a lock nut (22); the fixing plate ( Both ends of 1) are symmetrically provided with long grooves; both the first chuck (3) and the second chuck (4) are fixed with vertically downward screw rods (21); Penetrate and protrude from the lower end surface of the fixed plate (1); the end of the screw rod (21) protruding from the fixed plate (1) is equipped with a lock nut (22). 3. The tool for detecting the longitudinal shear characteristic value of aluminum alloy heat-insulating profiles according to claim 2, characterized in that: the upper surface of the second chuck (4) close to the fixing plate (1) is provided with a second The chuck (4) is extended in the sliding direction and communicates with the fixed installation cavity (5); a rigid support block (7) that can slide into the fixed installation cavity (5) is installed in the storage slot; One end of the fixed installation cavity (5) is provided with a threaded through hole communicating with the outside; the threaded through hole is equipped with an adjusting screw (8); one end of the adjusting screw (8) extends into the container and the rigid support block (7 ) rotation connection, the other end of the adjusting screw (8) stretches out from the second chuck (4); one end of the adjusting screw (8) extending out of the second chuck (4) is fixedly provided with a rotatable adjusting screw (8) Adjust the head. 4. The tool for detecting the characteristic value of longitudinal shear resistance of aluminum alloy heat-insulating profiles according to claim 1, 2 or 3, characterized in that: the first chuck (3) is rotated with two horizontal settings and is perpendicular to The roller shaft (6) in the sliding direction of the first chuck (3). 5. The tool for detecting longitudinal shear characteristic value of aluminum alloy heat-insulating profiles according to claim 4, characterized in that: the lower surface of the fixing plate (1) is fixedly provided with a connector (9) that can be fixed with a press.