CN206891379U - A resistance type butt joint flatness detector - Google Patents

Abstract

The utility model discloses a resistance-type butt joint roughness detector, including the instrument shell, the top of instrument shell is fixed with the installation shell, and the inside of instrument shell is fixed with first fixed block, the one end that the instrument shell was kept away from to first fixed block is fixed with insulating connecting seat, and insulating connecting seat is located the instrument shell, one side that first fixed block was kept away from to insulating connecting seat is equipped with the recess, and the recess internal fixation has the resistance stick, the slider has closely been cup jointed in the outside of resistance stick, and the one end vertical fixation that the resistance stick was kept away from to the slider has the movable contact rod. The utility model discloses a cooperation of handheld ring, first quiet touch post and second quiet touch post is used, the detector of taking that can be very convenient, simultaneously, can also be very steady lay the detector for movable contact rod and butt joint plate stationary contact, and then make the roughness detect more stably.

Description

A resistance type butt joint flatness detector

technical field

The utility model relates to the technical field of flatness detection, in particular to a resistance type butt joint flatness detector.

Background technique

At present, most of the detection of the flatness of the butt joint adopts the profiling detection method, that is, the worker uses a straight board with a high flatness to compare whether the boards that are connected together are on the same plane. This detection method cannot guarantee accuracy, is labor-intensive, time-consuming and labor-intensive, and is not conducive to automated production. Another method that is used more is to use a measuring tool with a single measuring rod such as a dial indicator to measure the distance between two plates and a fixed measuring device. The operation process of this method is loaded down with trivial details, and efficiency is low. At the same time, the existing high-precision resistive butt joint flatness tester has a complex structure, which is not only inconvenient to take, but also not stable enough when in contact with the plate, and it is easy to be shaken, resulting in inconvenient detection.

Utility model content

The purpose of the utility model is to solve the shortcomings in the prior art, and propose a resistance type butt joint flatness detector.

In order to achieve the above object, the utility model adopts the following technical solutions:

A resistive butt joint flatness detector, comprising a meter case, the top of the meter case is fixed with an installation case, and the inside of the meter case is fixed with a first fixed block, and the end of the first fixed block away from the meter case is fixed with a An insulating connection seat, and the insulating connection seat is located in the instrument case, the side of the insulating connection seat away from the first fixed block is provided with a groove, and a resistance rod is fixed in the groove, and the outer side of the resistance rod is tightly sleeved with A slider, and the end of the slider far away from the resistance rod is vertically fixed with a moving contact bar, and the side of the moving contact bar away from the slider is vertically fixed with a connecting block, and the top of the connecting block is fixed with a spring, and the spring is far away from the connecting block One end of one end is fixed with a second fixed block, and the second fixed block is fixedly connected with the inner wall of the side of the instrument case away from the first fixed block, and the side of the instrument case is fixed with a hand-held ring, and the bottom of the hand-held ring is fixed with a first A static contact column, one side of the first static contact column is provided with a second static contact column, and the second static contact column is fixedly connected to the bottom of the instrument case.

Preferably, the slider is parallel to the resistance bar, and one end of the slider is fixed with a positive terminal.

Preferably, one end of the resistance rod close to the installation shell is provided with a negative terminal.

Preferably, the outer sliding sleeve of the moving contact rod is fitted with a limit sleeve fixed in the instrument case, and the limit sleeve is located below the bottom of the slider.

Preferably, an ES300C current sensor and an Am186/88 embedded processor are provided inside the installation case, and a display is embedded and fixed on the front of the installation case.

Preferably, the first static contact post, the second static contact post and the moving contact rod are parallel to each other, and the bottoms of the first static contact post, the second static contact post and the moving contact rod are provided with a docking plate to be tested, and the second The bottoms of a static touch column and the second static touch column are located at the same height.

In the utility model, through the cooperative use of the hand-held ring, the first static contact column and the second static contact column, the detector can be easily taken, and at the same time, the detector can be placed very smoothly, so that the movable contact rod and the docking The board is in stable contact, which makes the flatness detection more stable; through the combination of the set moving touch rod, positive terminal, negative terminal, resistance rod, spring, display, current sensor and embedded processor, it can be used for docking The board is tested for flatness, the structure is simple, the operation is easy, and the production cost is low.

Description of drawings

Fig. 1 is the structural representation of a kind of resistive butt joint flatness detector that the utility model proposes;

Fig. 2 is a front view schematic diagram of a resistive butt joint flatness detector proposed by the utility model.

In the figure: 1 instrument shell, 2 installation shell, 3 first fixed block, 4 insulating connecting seat, 5 resistance rod, 6 slider, 7 moving contact rod, 8 limit sleeve, 9 connecting block, 10 spring, 11 second Fixed block, 12 hand ring, 13 first static contact column, 14 second static contact column, 15 docking board to be tested, 16 display.

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.

Referring to Figure 1-2, a resistive butt joint flatness tester includes an instrument case 1, an installation case 2 is fixed on the top of the instrument case 1, and a first fixed block 3 is fixed inside the instrument case 1, and the first fixed block 3 The end away from the instrument case 1 is fixed with an insulating connection seat 4, and the insulating connection seat 4 is located in the instrument case 1, and the side of the insulating connection seat 4 away from the first fixing block 3 is provided with a groove, and a resistor is fixed in the groove The rod 5 and the outer side of the resistance rod 5 are tightly sleeved with a slider 6, and the end of the slider 6 away from the resistance rod 5 is vertically fixed with a movable contact rod 7, and the side of the movable contact rod 7 away from the slider 6 is vertically fixed with a connecting block 9, and the top of the connection block 9 is fixed with a spring 10, and the end of the spring 10 away from the connection block 9 is fixed with a second fixed block 11, and the second fixed block 11 is fixed to the inner wall of the side of the instrument case 1 away from the first fixed block 3 connection, one side of the instrument case 1 is fixed with a hand ring 12, and the bottom of the hand ring 12 is fixed with a first static contact post 13, and one side of the first static contact post 13 is provided with a second static contact post 14, and the second The static contact column 14 is fixedly connected to the bottom of the instrument case 1, the slider 6 is parallel to the resistance rod 5, and one end of the slider 6 is fixed with a positive terminal, and the end of the resistance rod 5 near the installation shell 2 is provided with a negative terminal. The outside of the contact rod 7 is slidingly sleeved with a limit sleeve 8 fixed in the instrument case 1, and the limit sleeve 8 is located under the bottom of the slider 6. The inside of the installation shell 2 is equipped with an ES300C current sensor and an Am186/88 type Embedded processor, and the front of mounting shell 2 is embedded and fixed with display 16, and the first static contact column 13, the second static contact column 14 and the moving contact bar 7 are parallel to each other, and the first static contact column 13, the second static contact column The bottom of the contact post 14 and the moving contact rod 7 is provided with a docking plate 15 to be tested, and the bottoms of the first static contact post 13 and the second static contact post 14 are at the same height.

Working principle: when the utility model is in use, the detector can be easily taken through the hand-held ring 12, and the detector can be placed smoothly through the first static touch column 13 and the second static touch column 14, which is convenient The moving contact rod 7 is in smooth contact with the docking plate 15, so that the detection is more stable. When the set moving contact rod 7 is in contact with the docking plate 15, the flatness deviation of the docking board 15 will cause the moving contact rod 7 to move up and down, so that the length of the resistance rod 5 connected to the circuit between the positive terminal and the negative terminal will occur. Change, through the combined use of the ES300C current sensor and the Am186/88 embedded processor, the current change information of the positive terminal and the negative terminal connected to the circuit can be processed, and then the length change of the resistance rod 5 connected to the circuit can be obtained value, and then realize the detection of flatness.

The above is only a preferred embodiment of the utility model, but the scope of protection of the utility model is not limited thereto. The equivalent replacement or change of the new technical solution and the concept of the utility model shall be covered by the protection scope of the utility model.

Claims (6)

1. A resistive butt joint flatness detector, comprising a meter case (1), is characterized in that, the top of the meter case (1) is fixed with an installation case (2), and the inside of the meter case (1) is fixed with The first fixed block (3), the end of the first fixed block (3) away from the instrument case (1) is fixed with an insulating connection seat (4), and the insulating connection seat (4) is located in the instrument case (1), so A groove is provided on the side of the insulating connection seat (4) away from the first fixed block (3), and a resistance rod (5) is fixed in the groove, and a slider is tightly sleeved on the outside of the resistance rod (5) (6), and the end of the slider (6) away from the resistance rod (5) is vertically fixed with a moving contact bar (7), and the side of the moving contact bar (7) away from the slider (6) is vertically fixed with a connecting block (9), and the top of the connection block (9) is fixed with a spring (10), and the end of the spring (10) away from the connection block (9) is fixed with a second fixed block (11), and the second fixed block (11 ) is fixedly connected with the inner wall of the instrument case (1) away from the first fixed block (3), one side of the instrument case (1) is fixed with a hand-held ring (12), and the bottom of the hand-held ring (12) is fixed with The first static contact column (13), one side of the first static contact column (13) is provided with the second static contact column (14), and the second static contact column (14) is connected to the bottom of the instrument case (1) Fixed connection. 2. A resistance-type docking flatness detector according to claim 1, characterized in that, the slider (6) is parallel to the resistance rod (5), and one end of the slider (6) is fixed with a positive connection column. 3. A resistive butt joint flatness tester according to claim 1, characterized in that, one end of the resistance rod (5) close to the installation shell (2) is provided with a negative terminal. 4. A kind of resistive butt joint flatness detector according to claim 1, characterized in that, the outer sliding sleeve of the moving contact rod (7) is fitted with a limit sleeve ( 8), and the limit sleeve (8) is located below the bottom of the slider (6). 5. A kind of resistive docking flatness detector according to claim 1, characterized in that, the inside of the installation shell (2) is provided with an ES300C type current sensor and an Am186/88 type embedded processor, and the installation A display (16) is embedded and fixed on the front of the shell (2). 6. A resistance-type docking flatness detector according to claim 1, characterized in that, the first static contact post (13), the second static contact post (14) and the moving contact post (7) are mutually Parallel, and the bottom of the first static contact post (13), the second static contact post (14) and the moving contact bar (7) is provided with the docking plate (15) to be measured, and the first static contact post (13), the second The bottoms of the two static touch columns (14) are located at the same height.