Extensometer

Abstract

The utility model discloses an extensometer which comprises a shell, a sliding supporting plate is vertically arranged in the shell, a kidney-shaped round hole is formed in the plate surface of the sliding supporting plate, a first sliding groove is formed in the side end of the shell, the first sliding groove is parallel to the kidney-shaped round hole, two clamping assemblies are connected to the two sides of the kidney-shaped round hole in a sliding mode, and the clamping assemblies are arranged on the two sides of the kidney-shaped round hole in a sliding mode. The free end of the clamping assembly extends out of the shell from the first sliding groove, two power mechanisms are installed at the top end of the interior of the shell, two sliding rods are vertically arranged at the bottom ends of the power mechanisms, and the two sliding rods are sleeved with the two magnetic traction assemblies correspondingly. The two sets of clamping assemblies are in power connection with the two sets of power mechanisms through the two sets of magnetic traction assemblies correspondingly. The magnetic traction assembly is arranged to conduct sliding traction on the clamping assembly, the clamping position of the clamping assembly can be adjusted very conveniently, and use is more flexible.

Description

TECHNICAL FIELD

[0001] The utility model relates to reinforcing steel bar detection equipment technical field, especially introduce a kind of extensometer. BACKGROUND

[0002] Current construction industry is in continuous progress and development, in order to guarantee construction quality, need management personnel to do well supervisory management work, ensure that building material performance reaches specified requirement. Among them, reinforcing steel bar is one of the main raw materials of building, when reinforcing steel bar is detected, stress performance that can reflect resistance to external cause ability is important detection item, announcement No.CN 221465178 U discloses a reinforcing steel bar extensometer testing device, through two installation seats are installed on the guide rail of tensile testing machine with upper and lower interval, once installation is completed, the clamping position of clamping component is also fixed, cannot be flexibly adjusted, can only be adjusted by disassembling installation seat, it is very inconvenient to use. INVENTION CONTENTS

[0003] The utility model discloses a kind of extensometers, by setting up magnetic traction assembly, the clamping position of clamping assembly can be very conveniently adjusted, use more flexible.

[0004] In order to realize the purpose of the utility model, the utility model provides an extensometer, comprising: a shell, a sliding support plate is vertically arranged in the shell, a waist round hole is opened in the sliding support plate plate face, a first sliding groove is opened in the side end of the shell, the first sliding groove is parallelly arranged with the waist round hole, two groups of clamping assemblies are slidably connected on the two sides of the waist round hole, the free end of the clamping assembly is arranged from the first sliding groove and extends out of the shell, two groups of power mechanisms are installed at the top inside the shell, two sliding rods are vertically arranged at the bottom of the power mechanism, two groups of magnetic traction assemblies are respectively sleeved on the two sliding rods, and two groups of the clamping assemblies are respectively power-connected to two groups of the power mechanism by one group of the magnetic traction assembly.

[0005] As a preferred technical scheme of the utility model, the clamping assembly includes a sliding block, the sliding block is slidably connected in the first sliding groove, one end of the sliding block is slidably connected to the side end of the waist round hole through sliding plate, the other end of the sliding block is rotatably installed with a pair of clamping arms, the inner side of the clamping arm is fixedly connected with a protruding block, a reset elastic member is connected between the two clamping arms, and a power assembly is arranged on the end of the sliding block close to the sliding plate.

[0006] As the preferred technical scheme of the utility model, the power assembly includes a spread motor, the spread motor is fixedly connected to the sliding block and is slidably connected to the waist hole, a screw rod is power-connected to an output end of the spread motor, the sliding block is provided with a second sliding groove, a displacement block is slidably connected in the second sliding groove, one end of the displacement block is threadedly connected to the screw rod, the other end of the displacement block is fixedly connected with a push rod, the push rod is arranged to protrude from the sliding block, the protruding end of the sliding block is provided with a tapered structure, and the protruding end of the sliding block is arranged to abut against the inner side of the convex block.

[0007] As the preferred technical scheme of the utility model, the reset elastic member is a spring.

[0008] As the preferred technical scheme of the utility model, the magnetic traction assembly includes a sliding sleeve assembly, the sliding sleeve assembly is sleeved on the sliding rod, and the sliding sleeve assembly is power-connected to the power mechanism, an electromagnetic block is fixedly connected to the side end of the sliding sleeve assembly, a traction plate is arranged below the electromagnetic block, and the traction plate is fixedly connected to the end portion of the clamping assembly.

[0009] As the preferred technical scheme of the utility model, the traction plate is provided with a partition copper plate on the end plate surface close to the electromagnetic block.

[0010] As the preferred technical scheme of the utility model, an induction device is further arranged between the electromagnetic block and the partition copper plate, the induction device includes a light sensing gate and a light sensing block, the light sensing gate is fixedly connected to the side end of the sliding sleeve assembly, the light sensing block is fixedly connected to the side end of the partition copper plate, the light sensing block is arranged to protrude into the light sensing gate before the electromagnetic block is displaced to be close to the partition copper plate.

[0011] As the preferred technical scheme of the utility model, the side end of the sliding sleeve assembly is further provided with a displacement sensor.

[0012] As the preferred technical scheme of the utility model, the power mechanism is a traction motor.

[0013] Compared with the prior art, the utility model provides an extensometer with the following beneficial effects:

[0014] The utility model discloses a magnetic traction assembly is set up to the clamping component sliding traction, can very conveniently adjust the clamping position of clamping component, uses more flexible, the utility model discloses when using, the whole installation of device is in the rear end of drawing -in machine, and the magnetic traction assembly is not directly connected with the clamping component, and power traction is carried out through the electromagnetic block and traction plate, and the inductive device is still set up between the electromagnetic block and the partition copper plate, and the electromagnetic block moves to the direction of approaching traction plate under the action of traction motor, and the traction plate surface sets up the partition copper plate, when the electromagnetic block is about to stick the partition copper plate, the light sensing block will first insert the light sensing gate, and the traction motor receives the signal, and reduces the motion speed of electromagnetic block, guarantees that the electromagnetic block is low -speed motion and sticks the partition copper plate, after sticking, the electromagnetic block generates the magnetic force of electrification, and the electromagnetic block and traction plate complete the limit under the action of magnetic force, and the electromagnetic block slides the traction of traction plate under the drive of power mechanism, and then the clamping position of clamping component is adjusted, after the magnetic traction assembly draws the clamping component to the appropriate position, the screw rod rotates with the drive of the opening motor, and the screw rod pushes the displacement block and push rod and moves, and the conical structure of push rod end portion pushes the boss, and the boss drives both sides clamping arm to open, and the reset elastic member is stretched, after installing the reinforcing steel bar, the opening motor reverses, and the push rod retracts, and under the resilience of reset elastic member, the clamping arm completes the clamping of reinforcing steel bar, and the displacement sensor that the slide assembly side end sets up is used for feeding back the position information of clamping component. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the internal structure schematic view of the utility model;

[0016] Figure 2 It is the clamping component structure schematic view of the utility model;

[0017] Figure 3 It is the power component structure schematic view of the utility model;

[0018] Figure 4 It is the magnetic traction assembly position schematic view of the utility model;

[0019] Figure 5 It is the magnetic traction assembly structure schematic view of the utility model.

[0020] 1 is the shell, 2 is the sliding support plate, 3 is the waist round hole, 4 is the first sliding slot, 5 is the clamping component, 6 is the power mechanism, 7 is the magnetic traction assembly, 8 is the sliding block, 9 is the slide plate, 10 is the clamping arm, 11 is the boss, 12 is the reset elastic member, 13 is the opening motor, 14 is the screw rod, 15 is the second sliding slot, 16 is the displacement block, 17 is the push rod, 18 is the sliding rod, 20 is the slide assembly, 21 is the electromagnetic block, 22 is the traction plate, 23 is the light sensing gate, 24 is the light sensing block, 25 is the partition copper plate. DETAILED DESCRIPTION

[0021] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described, obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0022] Please refer to Figures 1-5 The utility model discloses an extensometer, including: the casing 1 is vertically arranged in the casing 1 and supports the slide plate 2, the slide plate 2 panel face is equipped with the waist round hole 3, the casing 1 side end is equipped with the first sliding slot 4, the first sliding slot 4 with the waist round hole 3 parallelly arranged, the waist round hole 3 both sides are slidably connected with two groups of clamping components 5, and the clamping component 5 free end is from the first sliding slot 4 and is arranged in the casing 1, and the casing 1 inside top end is installed with two groups of power mechanism 6, and the power mechanism 6 bottom end is vertically provided with two slide rods 18, and two groups of magnetic force traction assembly 7 are respectively sleeved on two slide rods 18, and two groups of clamping components 5 are respectively power connected to two groups of power mechanism 6 through a group of magnetic force traction assembly 7.

[0023] In an embodiment of the utility model, the clamping component 5 includes the slide block 8, the slide block 8 is slidably connected in the first sliding slot 4, one end of the slide block 8 is slidably connected to the side end of the waist round hole 3 through the slide plate 9, the other end of the slide block 8 is rotatably installed with a pair of clamping arms 10, the inner side of the clamping arm 10 is fixedly connected with the lug 11, and the reset elastic member 12 is connected between the two clamping arms 10, and the slide block 8 is provided with a power component close to the end of slide plate 9.

[0024] In an embodiment of the utility model, the power component includes the opening motor 13, the opening motor 13 is fixedly connected to the slide block 8, and is slidably connected in the waist round hole 3, the output end of the opening motor 13 is power connected with the screw rod 14, the slide block 8 is equipped with the second sliding slot 15, the displacement block 16 is slidably connected in the second sliding slot 15, one end of the displacement block 16 is threadedly connected to the screw rod 14, the other end of the displacement block 16 is fixedly connected with the push rod 17, the push rod 17 is arranged out of the slide block 8, the extension end of the slide block 8 is provided as a tapered structure, and the extension end of the slide block 8 is arranged against the inner side of the lug 11.

[0025] In an embodiment of the utility model, the reset elastic member 12 is a spring.

[0026] In one embodiment of the utility model, the magnetic traction assembly 7 includes a sliding sleeve 20, the sliding sleeve 20 is sleeved on the sliding rod 18, and the sliding sleeve 20 is power-connected to the power mechanism 6, the sliding sleeve 20 side end is fixedly connected with an electromagnetic block 21, the electromagnetic block 21 lower position is provided with a traction plate 22, and the traction plate 22 is fixedly connected to the clamping assembly 5 end.

[0027] In one embodiment of the utility model, the traction plate 22 is provided with a partition copper plate 25 close to the electromagnetic block 21 end plate face.

[0028] In one embodiment of the utility model, the electromagnetic block 21 and the partition copper plate 25 are further provided with an induction device, the induction device includes a light-sensitive gate 23 and a light-sensitive block 24, the light-sensitive gate 23 is fixedly connected to the sliding sleeve 20 side end, the light-sensitive block 24 is fixedly connected to the partition copper plate 25 side end, the electromagnetic block 21 is displaced to be close to the partition copper plate 25, and the light-sensitive block 24 extends into the light-sensitive gate 23.

[0029] In one embodiment of the utility model, the sliding sleeve 20 side end is further provided with a displacement sensor.

[0030] In one embodiment of the utility model, the power mechanism 6 is a traction motor.

[0031] The above, only for the utility model is preferable specific implementation, but the protection scope of the utility model is not limited to this, any skilled in the art of technical personnel in the utility model disclosed technical range, according to the utility model technical scheme and the utility model concept are equivalent to replace or change, all should be covered in the protection scope of the utility model.

Claims

1. An extensometer, characterized by Include: The shell (1) is vertically arranged in the shell (1) The sliding support plate (2) is provided with a waist round hole (3) on the plate surface, the first sliding groove (4) is provided on the side end of the shell (1), the first sliding groove (4) is provided parallel to the waist round hole (3), two groups of clamping assemblies (5) are slidably connected on both sides of the waist round hole (3), the free end of the clamping assembly (5) extends out of the shell (1) from the first sliding groove (4), two groups of power mechanisms (6) are installed at the top inside the shell (1), two sliding rods (18) are vertically arranged at the bottom of the power mechanism (6), two groups of magnetic traction assemblies (7) are respectively sleeved on the two sliding rods (18), and two groups of the clamping assemblies (5) are respectively power connected to two groups of the power mechanisms (6) through a group of the magnetic traction assemblies (7).

2. The extensometer of claim 1, wherein: The clamping assembly (5) includes a sliding block (8), the sliding block (8) is slidably connected in the first sliding groove (4), one end of the sliding block (8) is slidably connected to the side end of the waist round hole (3) through a sliding plate (9), the other end of the sliding block (8) is rotatably installed with a pair of clamping arms (10), the inner side of the clamping arm (10) is fixedly connected with a protruding block (11), a reset elastic member (12) is connected between the two clamping arms (10), and the end of the sliding block (8) close to the sliding plate (9) is provided with a power assembly.

3. The extensometer of claim 2, wherein: The power assembly includes a spreading motor (13), the spreading motor (13) is fixedly connected to the sliding block (8) and slidably connected in the waist round hole (3), a screw rod (14) is power connected to the output end of the spreading motor (13), the sliding block (8) is provided with a second sliding groove (15), a displacement block (16) is slidably connected in the second sliding groove (15), one end of the displacement block (16) is threadedly connected to the screw rod (14), the other end of the displacement block (16) is fixedly connected with a push rod (17), the push rod (17) extends out of the sliding block (8) and is provided, the extending end of the sliding block (8) is provided in a tapered structure, and the extending end of the sliding block (8) is arranged on the inner side of the protruding block (11).

4. The extensometer of claim 2, wherein: The reset elastic member (12) is a spring.

5. The extensometer of claim 1, wherein: The magnetic traction assembly (7) includes a sliding sleeve (20), the sliding sleeve (20) is sleeved on the sliding rod (18), and the sliding sleeve (20) is power connected to the power mechanism (6), the side end of the sliding sleeve (20) is fixedly connected with an electromagnetic block (21), a traction plate (22) is arranged below the electromagnetic block (21), and the traction plate (22) is fixedly connected to the end of the clamping assembly (5).

6. The extensometer of claim 5, wherein: The traction plate (22) is provided with a partition copper plate (25) near the end plate surface of the electromagnetic block (21).

7. The extensometer according to claim 6, characterized in that: The electromagnetic block (21) and the partition copper plate (25) are further provided with an induction device, the induction device comprises a light sensing gate (23) and a light sensing block (24), the light sensing gate (23) is fixedly connected to the side end of the sliding sleeve (20), the light sensing block (24) is fixedly connected to the side end of the partition copper plate (25), the electromagnetic block (21) is displaced to be about to be attached to the partition copper plate (25), and the light sensing block (24) extends into the light sensing gate (23).

8. The extensometer according to claim 5, characterized in that: The side end of the sliding sleeve (20) is further provided with a displacement sensor.

9. The extensometer according to claim 1, characterized in that: The power mechanism (6) is a traction motor.

Images