CN206387658U - Tensioning member stationary fixture is used in a kind of mechanical stretch experiment - Google Patents

Abstract

The utility model discloses a fixing fixture for tensile parts used in mechanical tensile tests. The push rod runs through the outer wall of the fixing seat, a second fixed ring is installed on the inner side of the push rod, and second telescopic rods are installed on the upper and lower ends of the outer side of the second fixed ring. The mechanical tensile test uses a tensile member fixing fixture to fix the second fixing rod by pushing the second fixing ring outward, and by pushing the handle inward, the fixing bolt rotates to the inside of the limit seat, and the fixing bolt will The mounting plate is fixed to fix the push plate and the support rod. The first fixing ring fixes the test piece, which effectively ensures the fixing effect of the test piece, avoids the test piece from falling during the experiment, and ensures the smooth progress of the experiment. , Improved teaching efficiency.

Description

Tensile member fixing fixture for mechanical tensile test

technical field

The utility model relates to the technical field of teaching appliances, in particular to a fixture for fixing a stretching part for a mechanical stretching test.

Background technique

Mechanical tensile test is a test used to test various mechanical properties of metal workpieces. It can measure the mechanical indicators of metal workpieces such as elastic limit, yield point, tensile strength, elongation, and reduction of area. It is of great significance to learn the knowledge of mechanics. However, there are still problems in the existing tensile fixtures for mechanical tensile tests. For example, the patent application number is 201520006442.7, which includes a tensile connecting sleeve, an adjusting screw, a support rod, a rotating wheel, two splints and two clamping blocks. , the two splints are vertically arranged side by side, and the upper parts of the two splints are inserted into the tension connection sleeve, and the inner side wall of the tension connection sleeve is symmetrically provided with two first clamping platforms, and the outer wall of the top of each splint Each is equipped with a second clamping platform, and each second clamping platform is clamped with a corresponding first clamping platform. There are screw holes on the inner wall of the top of each clamping plate, and the adjustment screw and the support rod are sequentially arranged from top to bottom. It is arranged between two splints, and the two ends of the adjusting screw are correspondingly inserted into the two screw holes. Although the test piece can be fixed, the fixing effect is poor, and the test piece is prone to fall during the experiment, resulting in Failure to reduce teaching efficiency.

Utility model content

The purpose of this utility model is to provide a tensile member fixing fixture for mechanical tensile test, so as to solve the problems raised in the above-mentioned background technology.

In order to achieve the above purpose, the utility model provides the following technical solutions: a tensile member fixing fixture for mechanical tensile test, including a placer, the left and right sides of the placer are equipped with stabilizing cylinders, the upper and lower sides of the stabilizing cylinder Limiting seats are installed at both ends, a support rod is installed inside the stabilizing cylinder, a push plate is installed on the outside of the support rod, mounting plates are installed on the upper and lower ends of the push plate, and the outside of the mounting plate is installed There are fixing bolts, the fixing bolts penetrate the outer wall of the mounting plate and are connected with the limit seat, the fixing bolts are threadedly connected with the limit seat, the support rod runs through the outer wall of the placement seat, and the inner side of the support rod is installed with a first Fixed ring, the top of the placement seat is equipped with a placement frame, the inside of the placement frame is provided with a placement slot, the left and right sides of the placement slot are equipped with a fixing seat, and the upper and lower ends of the interior of the fixing seat are installed There is a fixed plate, the interior of the fixed plate is provided with sliding grooves, springs are installed at the upper and lower ends of the interior of the fixed seat, and a pressure plate is installed on the inner side of the spring, and the upper and lower ends of the pressure plate are Both are equipped with a sliding block, the sliding block is connected with the sliding groove, a push rod is installed on the inner side of the pressure plate, the pushing rod runs through the outer wall of the fixing seat, and a second fixing rod is installed on the inner side of the pushing rod. ring, and the second telescopic rods are installed on the upper and lower ends of the outer side of the second fixed ring.

Preferably, a fixed collar is sleeved on the outer wall of the stabilizing cylinder, and connecting rods are installed on the upper and lower ends of the inner side of the fixed collar, and the connecting rod is threadedly connected with the fixed collar.

Preferably, a stabilizing collar is sleeved on the outer wall of the supporting rod, and first telescopic rods are installed on the upper and lower ends of the outer side of the stabilizing collar.

Preferably, rubber pads are installed inside the first fixing ring and the second fixing ring.

Preferably, a pull handle is installed on the outside of the push plate.

Compared with the prior art, the beneficial effect of the utility model is that the tensile member fixing jig for the mechanical tensile test pushes the second fixing ring outward, and the second fixing ring drives the push rod and the pressure plate to move outward , the pressing plate drives the sliding block to slide inside the sliding groove, the pressing plate presses the spring to expand and contract, put the upper end of the test piece inside the rack, loosen the second fixing ring, the spring rebounds, and pushes the second The fixing ring is wrapped on the outer wall of the test piece to fix the second fixing rod. By pushing the handle inward, the handle drives the support rod to move inward, and the support rod pushes the first fixing ring to wrap around the outer wall of the test piece. The fixing bolt is rotated inside, and the fixing bolt is rotated to the inside of the limit seat. The fixing bolt fixes the mounting plate, thereby fixing the push plate and the support rod. The first fixing ring fixes the test piece, effectively ensuring the stability of the test piece. The fixed effect prevents the test piece from falling during the experiment, ensures the smooth progress of the experiment, and improves the teaching efficiency.

Description of drawings

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

Fig. 2 is a schematic structural diagram of the second fixed ring of the present invention.

In the figure: 1. Placement frame, 2. Placement seat, 3. Limit seat, 4. Push plate, 5. Support rod, 6. First telescopic rod, 7. First fixed ring, 8. Stabilizing collar, 9 , fixed collar, 10, fixed bolt, 11, hand handle, 12, mounting plate, 13, connecting rod, 14, fixed seat, 15, second fixed ring, 16, second telescopic rod, 17, sliding block, 18, fixed plate, 19, pressure moving plate, 20, sliding groove, 21, push rod, 22, rubber pad, 23, placement groove, 24, spring, 25, stabilizing cylinder.

detailed description

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

Please refer to Fig. 1-2, the utility model provides a kind of technical proposal: a kind of tensile member fixing fixture for mechanical tension test, comprises placing seat 2, and the left and right sides of placing seat 2 are all equipped with stabilizing cylinder 25, stabilizing cylinder The upper and lower ends of 25 are all equipped with limit seats 3, and the inside of stabilizing cylinder 25 is equipped with support rod 5, and the outer wall of support rod 5 is sleeved with stabilizing collar 8, and can increase the stability when supporting bar 5 moves by stabilizing collar 8. The upper and lower ends of the outer side of the stable collar 8 are equipped with the first telescopic rod 6, the outer side of the support rod 5 is equipped with a push plate 4, and the outer side of the push plate 4 is equipped with a handle 11, which can be easily pushed through the handle 11. The plate 4 moves, and the upper and lower ends of the push plate 4 are provided with mounting plates 12, the fixing of the pushing plate 4 can be realized through the mounting plate 12, thereby fixing the first fixing ring 7, and fixing bolts are installed on the outside of the mounting plate 12 10. The fixing bolt 10 penetrates the outer wall of the mounting plate 12 and is connected with the limit seat 3, the fixing bolt 10 is threaded with the limit seat 3, the support rod 5 penetrates the outer wall of the placement seat 2, and the inner side of the support rod 5 is installed with a first fixing ring 7. A rubber pad 22 is installed inside the first fixing ring 7 and the second fixing ring 15. When the first fixing ring 7 and the second fixing ring 15 fix the test piece, the sliding phenomenon can be avoided by the rubber pad 22. The top of the placement seat 2 is provided with a placement frame 1, the inside of the placement frame 1 is provided with a placement groove 23, the left and right sides of the placement groove 23 are equipped with a fixed seat 14, and the upper and lower ends of the interior of the fixed seat 14 are equipped with a fixed plate 18 , the interior of the fixed plate 18 is provided with a sliding groove 20, the sliding of the sliding block 17 can be realized through the sliding groove 20, and springs 24 are installed at the upper and lower ends of the interior of the fixed seat 14, and the spring 24 is a coil spring with an elastic coefficient of 18N /CM, the second fixing ring 15 can be used to fix the test piece stably through the spring 24, the pressure plate 19 is installed on the inner side of the spring 24, the upper and lower ends of the pressure plate 19 are equipped with sliding blocks 17, through the sliding block 17 can increase the stability of the movement of the pressure plate 19, the sliding block 17 is connected with the sliding groove 20, the inside of the pressure plate 19 is equipped with a push rod 21, the push rod 21 runs through the outer wall of the fixed seat 14, and the inside of the push rod 21 A second fixed ring 15 is installed, and second telescopic rods 16 are installed on the upper and lower ends of the outer side of the second fixed ring 15, and the stability when the second fixed ring 15 moves can be increased by the second telescopic rods 16. The outer wall of the stabilizing cylinder 25 is sleeved with a fixed collar 9 , and the upper and lower ends of the inner side of the fixed collar 9 are provided with connecting rods 13 , and the connecting rods 13 are threadedly connected with the fixed collar 9 .

When carrying out mechanical tension test, when needing to stretch piece fixing, the lower end of test piece is fixed on the base platform of testing machine, by pushing the second fixing ring 15 outwards, the second fixing ring 15 drives push bar 21 and The pressing plate 19 moves outward, the pressing plate 19 drives the sliding block 17 to slide inside the sliding groove 20, the pressing plate 19 presses the spring 24 to expand and contract, and the upper end of the test piece is placed on the placement frame 1 and the placement seat 2 inside, loosen the second fixing ring 15, the spring 24 rebounds, pushes the second fixing ring 15 to wrap around the outer wall of the test piece, fixes the second fixing rod 15, pushes the handle 11 inwardly, and pulls the handle 11 Drive the support rod 5 to move inwardly, the support rod 5 pushes the first fixing ring 7 to wrap on the outer wall of the test piece, rotate the fixing bolt 10 inwardly, the fixing bolt 10 rotates to the inside of the limit seat 3, and the fixing bolt 10 will install the plate 12 to fix the push plate 4 and the support rod 5, and the first fixing ring 7 fixes the test piece.

In the description of the present utility model, it should be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", " The orientation or positional relationship indicated by "top", "inner", "front", "central", "both ends" etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description , rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as limiting the utility model.

In this utility model, unless otherwise clearly specified and limited, terms such as "installation", "setting", "connection", "fixation" and "rotation" should be understood in a broad sense, for example, it can be a fixed connection, It can also be a detachable connection, or integrated; it can be a mechanical connection, it can also be an electrical connection; it can be a direct connection, or an indirect connection through an intermediary, and it can be the internal communication of two components or the interaction of two components Unless otherwise clearly defined, those skilled in the art can understand the specific meanings of the above terms in the present utility model according to specific situations.

Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes and modifications can be made to these embodiments without departing from the principle and spirit of the present invention , replacements and modifications, the scope of the present utility model is defined by the appended claims and their equivalents.

Claims (5)

1. A tensile fixture for mechanical tensile testing, comprising a placement base (2), the left and right sides of the placement base (2) are equipped with stabilizing cylinders (25), and the stabilizing cylinder (25) Limiting seats (3) are installed at the upper and lower ends, a support rod (5) is installed inside the stabilizing cylinder (25), and a push plate (4) is installed on the outside of the support rod (5), and the push plate ( 4) There are mounting plates (12) at the upper and lower ends of the mounting plate (12), and fixing bolts (10) are installed on the outside of the mounting plate (12), and the fixing bolts (10) penetrate the outer wall of the mounting plate (12) and the limit The seat (3) is connected, the fixing bolt (10) is threadedly connected with the limit seat (3), the support rod (5) runs through the outer wall of the placement seat (2), and the inner side of the support rod (5) is installed with The first fixed ring (7), the top of the placement seat (2) is equipped with a placement frame (1), the interior of the placement frame (1) is provided with a placement slot (23), and the placement slot (23) Fixing seats (14) are installed on the left and right sides, and fixing plates (18) are installed at the upper and lower ends of the fixing seat (14), and sliding grooves (20) are arranged inside the fixing plate (18) , the upper and lower ends of the fixed seat (14) are equipped with springs (24), the inner side of the spring (24) is installed with a pressure plate (19), and the upper and lower ends of the pressure plate (19) Sliding blocks (17) are all installed, and the sliding block (17) is matched with the sliding groove (20). A push rod (21) is installed on the inner side of the pressure plate (19), and the push rod (21) ) through the outer wall of the fixing seat (14), a second fixing ring (15) is installed on the inner side of the push rod (21), and a second telescopic rod is installed on the upper and lower ends of the outer side of the second fixing ring (15) (16). 2. A tensile member fixing fixture for mechanical tensile test according to claim 1, characterized in that: the outer wall of the stabilization cylinder (25) is sleeved with a fixing collar (9), and the fixing collar Connecting rods (13) are installed at the upper and lower ends of the inner side of (9), and the connecting rods (13) are threadedly connected with the fixing collar (9). 3. A tensile member fixing fixture for mechanical tensile test according to claim 1, characterized in that: the outer wall of the support rod (5) is sleeved with a stabilizing collar (8), and the stabilizing collar The upper and lower ends of the outer side of (8) are equipped with first telescopic rods (6). 4. A tensile member fixing fixture for mechanical tensile testing according to claim 1, characterized in that rubber pads are installed inside the first fixing ring (7) and the second fixing ring (15) (twenty two). 5 . The fixture for fixing a tensile member for a mechanical tensile test according to claim 1 , characterized in that: a handle ( 11 ) is installed on the outer side of the push plate ( 4 ). 6 .