Portable fault detection device for travel sensor of pushing jack

Abstract

The utility model belongs to the technical field of stroke sensor detection, and solves the problems of high price and complex operation of a stroke sensor detection test bed. The utility model provides a portable fault detection device for a stroke sensor of a pushing jack. A stroke sensor magnetic ring is arranged on a stroke sensor induction probe rod in a sliding manner; the stroke sensor induction probe rod is electrically connected with the high-precision analog quantity data controller, and the stroke sensor induction probe rod is used for transmitting stroke data of the stroke sensor magnetic ring to a signal input end of the high-precision analog quantity data controller; the high-precision analog quantity data controller controls on and off of a qualified indicating lamp connected to the signal output end of the high-precision analog quantity data controller according to stroke data of the stroke sensor magnetic ring. And the output end of the power adapter is electrically connected with the stroke sensor induction probe rod and the high-precision analog quantity data controller. The device is simple in structure and low in cost, and can realize rapid detection of fault performance of the stroke sensor.

Description

Technical Field

[0001] The utility model belongs to the technical field of stroke sensor detection, and in particular relates to a portable push jack stroke sensor fault detection device. Background Art

[0002] At present, a large number of hydraulic supports are needed in the production support process of coal mines. The hydraulic support push jack plays an important role in pushing and pulling the frame in the production process of the fully mechanized mining face. After long-term use of the push jack underground, the travel sensor in the push jack will have circuit breakage, short circuit, chip loss, joint damage, magnetic ring damage, etc. The travel sensor adopts reed switch technology, which can convert the mechanical stroke of the hydraulic support push jack into a voltage signal to ensure the completion of functions such as pushing and pulling.

[0003] During the maintenance of the push jack stroke sensor, the quality of the stroke sensor needs to be inspected. The existing push jack stroke sensor detection test bench technology is relatively mature, but the test bench is expensive and the operation is relatively complicated. Utility Model Content

[0004] In order to solve at least one of the above technical problems existing in the prior art, the utility model provides a portable push jack stroke sensor fault detection device.

[0005] The utility model is implemented by the following technical scheme: a portable push jack stroke sensor fault detection device, including a high-precision analog data controller, a stroke sensor magnetic ring, a stroke sensor induction probe, a power adapter, a wiring box and a qualified indicator light;

[0006] The travel sensor magnetic ring is slidably arranged on the travel sensor sensing probe; the travel sensor sensing probe is electrically connected to the high-precision analog data controller, and the travel sensor sensing probe is used to transmit the travel data of the travel sensor magnetic ring to the signal input end of the high-precision analog data controller;

[0007] The high-precision analog data controller controls the on and off of the qualified indicator light connected to its signal output end according to the stroke data of the stroke sensor magnetic ring; the power supply end of the high-precision analog data controller is connected to a 220V input power supply; the power adapter is used to convert the 220V input power supply into a 15V input power supply, and the output end of the power adapter is electrically connected to the stroke sensor sensing probe and the high-precision analog data controller;

[0008] The main body and power adapter of the high-precision analog data controller are both arranged in the wiring box; the display terminal and qualified indicator light of the high-precision analog data controller are both arranged on the outer surface of the wiring box.

[0009] Preferably, the wiring terminals of the high-precision analog data controller and the power adapter are connected to a wiring terminal block through cables, and the travel sensor sensing probe is connected to the wiring terminal block through a sensor detection line.

[0010] Preferably, the sensor detection line is of a split structure, wherein the free end of the sensor detection line connected to the travel sensor sensing probe has a male plug, and the free end of the sensor detection line connected to the terminal block has a female plug.

[0011] Preferably, a fuse box and a knob switch are provided on the main circuit of the L end of the 220V input power supply, the fuse box is provided in the wiring box, and the knob switch is provided on the outer surface of the wiring box.

[0012] Preferably, the first output terminal of the power adapter is connected to the GND terminal of the high-precision analog data controller and the second terminal of the female plug; the second output terminal of the power adapter is connected to the third terminal of the female plug; the first terminal of the female plug is connected to the voltage input terminal of the high-precision analog data controller;

[0013] The two output terminals of the high-precision analog data controller are respectively connected to the L terminal and the N terminal of the 220V input power supply, and a qualified indicator light is arranged on a loop composed of the two output terminals and the 220V input power supply.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] The device has a simple structure and low cost, and can realize rapid detection of fault performance of the travel sensor; by directly detecting the position of the magnetic ring of the travel sensor, that is, the pushing stroke of the push jack, the purpose of detecting whether the travel sensor is damaged is achieved. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0017] Figure 1 It is a schematic diagram of the overall structure of this embodiment;

[0018] Figure 2 2 is the circuit wiring diagram of this embodiment.

[0019] In the figure: 1-high-precision analog data controller; 1.1-main body; 1.2-display end; 2-travel sensor magnetic ring; 3-travel sensor sensing probe; 4-power adapter; 5-wiring box; 6-qualified indicator light; 7-sensor detection line; 7.1-male plug; 7.2-female plug; 8-fuse box; 9-knob switch; 10-terminal block. DETAILED DESCRIPTION

[0020] Combined with the drawings in the embodiments of the utility model, the technical solutions in the embodiments of the utility model are clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of them. Based on the embodiments of the utility model, all other implementation methods obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] It should be noted that the structures, proportions, sizes, etc. illustrated in the drawings of this specification are only used to match the contents disclosed in the specification so that people familiar with this technology can understand and read them. They are not used to limit the conditions under which the present invention can be implemented, so they have no substantive technical significance. Any structural modification, change in proportional relationship or adjustment of size should fall within the scope of the technical contents disclosed in the present invention without affecting the effects and purposes that can be achieved by the present invention. It should be noted that in this specification, relational terms such as first and second are only used to distinguish one entity from other entities, and do not necessarily require or imply any actual relationship or order between these entities.

[0022] The utility model provides an embodiment:

[0023] A portable push-lift jack stroke sensor fault detection device comprises a high-precision analog data controller 1, a stroke sensor magnetic ring 2, a stroke sensor sensing probe 3, a power adapter 4, a wiring box 5 and a qualified indicator light 6; the stroke sensor magnetic ring 2 is slidably arranged on the stroke sensor sensing probe 3; the stroke sensor sensing probe 3 is electrically connected to the high-precision analog data controller 1, and the stroke sensor sensing probe 3 is used to transmit the stroke data of the stroke sensor magnetic ring 2 to the signal input end of the high-precision analog data controller 1;

[0024] The high-precision analog data controller 1 controls the lighting of the qualified indicator light 6 connected to its signal output end according to the stroke data of the stroke sensor magnetic ring 2; the power supply end of the high-precision analog data controller 1 is connected to a 220V input power supply; the power adapter 4 is used to convert the 220V input power supply into a 15V input power supply, and the output end of the power adapter 4 is electrically connected to the stroke sensor sensing probe 3 and the high-precision analog data controller 1; the main body 1.1 of the high-precision analog data controller 1 and the power adapter 4 are both arranged in a wiring box 5; the display end 1.2 and the qualified indicator light 6 of the high-precision analog data controller 1 are both arranged on the outer surface of the wiring box 5.

[0025] In this embodiment, the wiring terminals of the high-precision analog data controller 1 and the power adapter 4 are connected to a wiring terminal block 10 through cables, and the travel sensor sensing probe 3 is connected to the wiring terminal block 10 via the sensor detection line 7; the sensor detection line 7 is a split structure, in which the free end of the sensor detection line 7 connected to the travel sensor sensing probe 3 has a male plug 7.1, and the free end of the sensor detection line 7 connected to the wiring terminal block 10 has a female plug 7.2.

[0026] The first output terminal of the power adapter 4 is connected to the GND terminal of the high-precision analog data controller 1 and the second terminal of the female plug 7.2; the second output terminal of the power adapter 4 is connected to the third terminal of the female plug 7.2; the first terminal of the female plug 7.2 is connected to the voltage input terminal of the high-precision analog data controller 1; a fuse box 8 and a knob switch 9 are arranged on the main circuit of the L end of the 220V input power supply, and the fuse box 8 is arranged in the wiring box 5, which is used for the entire circuit protection of the portable push-lift stroke sensor fault detection device to prevent the circuit from being damaged due to excessive current; the knob switch 9 is arranged on the outer surface of the wiring box 5. The two output terminals of the high-precision analog data controller 1 are respectively connected to the L end and the N end of the 220V input power supply, and the qualified indicator light 6 is arranged on the loop composed of the two output terminals and the 220V input power supply.

[0027] Specific steps:

[0028] When performing fault detection on the push jack stroke sensor, first connect the male plug 7.1 and the female plug 7.2 of the sensor detection line 7, connect the 220V input power, turn on the knob switch 9, adjust the qualified judgment stroke value of the high-precision analog data controller 1 to the total stroke number of the stroke sensor, and then start fault detection. Move the stroke sensor magnetic ring 2 from the initial position to the stroke sensor terminal, and observe whether the qualified indicator light 6 is on. If it is on, it means that the stroke sensor is fault-free. If there is no display on the screen of the high-precision analog data controller 1, it means that there are problems with the wiring and internal structure of the stroke sensor sensing probe 3 or the stroke sensor magnetic ring 2 is damaged. Repair it and re-test it.

[0029] The display end 1.2 of the high-precision analog data controller 1 can display the measured stroke value of the position of the stroke sensor magnetic ring 2. For example, if the stroke is a 960mm stroke sensor, the display end can display a value of 0-960mm. When the value reaches the set 960mm, the qualified indicator light 6 lights up, indicating that the stroke sensor is qualified and has no faults.

[0030] The above is only a preferred specific implementation of the utility model, but the protection scope of the utility model is not limited thereto. Any changes or substitutions that can be easily thought of by any technician familiar with the technical field within the technical scope disclosed by the utility model should be included in the protection scope of the utility model. Therefore, the protection scope of the utility model shall be based on the protection scope of the claims.

Claims

1. A portable push jack stroke sensor fault detection device, characterized in that : It includes a high-precision analog data controller (1), a travel sensor magnetic ring (2), a travel sensor sensing probe (3), a power adapter (4), a wiring box (5) and a qualified indicator light (6); The travel sensor magnetic ring (2) is slidably arranged on the travel sensor sensing probe (3); the travel sensor sensing probe (3) is electrically connected to the high-precision analog data controller (1), and the travel sensor sensing probe (3) is used to transmit the travel data of the travel sensor magnetic ring (2) to the signal input end of the high-precision analog data controller (1); The high-precision analog data controller (1) controls the lighting of a qualified indicator light (6) connected to its signal output end according to the travel data of the travel sensor magnetic ring (2); the power supply end of the high-precision analog data controller (1) is connected to a 220V input power supply; The power adapter (4) is used to convert a 220V input power supply into a 15V input power supply, and the output end of the power adapter (4) is electrically connected to the travel sensor sensing probe (3) and the high-precision analog data controller (1); The body (1.1) and the power adapter (4) of the high-precision analog data controller (1) are both arranged in a wiring box (5); the display terminal (1.2) and the qualified indicator light (6) of the high-precision analog data controller (1) are both arranged on the outer surface of the wiring box (5).

2. A portable push jack stroke sensor fault detection device according to claim 1, characterized in that The wiring terminals of the high-precision analog data controller (1) and the power adapter (4) are connected to a wiring terminal block (10) through cables, and the travel sensor sensing probe (3) is connected to the wiring terminal block (10) through a sensor detection line (7).

3. A portable push jack stroke sensor fault detection device according to claim 2, characterized in that The sensor detection line (7) is a split structure, wherein the free end of the sensor detection line (7) connected to the travel sensor sensing probe (3) has a male plug (7.1), and the free end of the sensor detection line (7) connected to the wiring terminal block (10) has a female plug (7.2).

4. A portable push jack stroke sensor fault detection device according to claim 1, characterized in that A fuse box (8) and a rotary switch (9) are arranged on the main circuit of the L end of the 220V input power supply. The fuse box (8) is arranged in the wiring box (5), and the rotary switch (9) is arranged on the outer surface of the wiring box (5).

5. A portable push jack stroke sensor fault detection device according to claim 4, characterized in that : the first output terminal of the power adapter (4) is connected to the GND terminal of the high-precision analog data controller (1) and the second terminal of the female plug (7.2); the second output terminal of the power adapter (4) is connected to the third terminal of the female plug (7.2); the first terminal of the female plug (7.2) is connected to the voltage input terminal of the high-precision analog data controller (1); The two output terminals of the high-precision analog data controller (1) are respectively connected to the L terminal and the N terminal of the 220V input power supply, and the qualified indicator light (6) is arranged on a loop formed by the two output terminals and the 220V input power supply.

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