CN115524225A - Terminal crimping state detection tool for rail transit - Google Patents
Terminal crimping state detection tool for rail transit Download PDFInfo
- Publication number
- CN115524225A CN115524225A CN202211330260.6A CN202211330260A CN115524225A CN 115524225 A CN115524225 A CN 115524225A CN 202211330260 A CN202211330260 A CN 202211330260A CN 115524225 A CN115524225 A CN 115524225A
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- CN
- China
- Prior art keywords
- crimping state
- handle
- rail transit
- pull head
- terminal crimping
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
- G01N3/06—Special adaptations of indicating or recording means
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0014—Type of force applied
- G01N2203/0016—Tensile or compressive
- G01N2203/0017—Tensile
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/06—Indicating or recording means; Sensing means
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- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
Abstract
The invention relates to the field of crimping detection of electrical wiring terminals of rail transit vehicles, in particular to a tool for detecting the crimping state of a terminal for rail transit, which comprises: the pull head assembly comprises a pull head, an elastic element, a button screw, the handle assembly comprises a sensor mounting base, a handle and a handle cover, the main body comprises an adjusting button, a control processing module, a battery, a display screen and a tension sensor, the control processing module is electrically connected with the display screen, signal data transmitted by the tension sensor is processed through the control processing module, real-time tension numerical values are displayed through a high-definition digital display screen, and detection of a terminal crimping state is completed. The invention has small and exquisite integral structure, portability, simple operation and easy operation, and can be used for detecting the pull-out force of a common small terminal and judging whether the crimping state of the terminal is qualified or not.
Description
Technical Field
The invention relates to the field of crimping detection of electrical wiring terminals of rail transit vehicles, in particular to a terminal crimping state detection tool for rail transit.
Background
Along with the rapid development of urban rail transit, more and more people select subways to go out, along with the rapid development of Chinese economy, the urban population is increased sharply, so that the urban traffic problem is more and more prominent, and the subways as the representatives of green outgoing become the most effective way for solving the traffic tension condition of large cities. However, as more and more people select subway traveling modes, problems related to subway equipment are continuously revealed, in the processes of new construction, erection repair and overhaul of the existing urban rail vehicles, the connection state of an electrical component is always the key point of key inspection, the inspection of the connection state of the electrical component is based on the matching relationship between a terminal and an interface, and the detection of the connection strength of the terminal is particularly important for the connection state of the whole electrical component because the connection strength between the interface of the electrical component and the terminal is related to the matching of the connection strength of the terminal and the model of the terminal.
At present, the existing large-scale equipment cannot measure the crimping state of the terminal in a narrow space, the cruising ability is insufficient, different detection tools need to be replaced when the crimping state of the terminals of different models is detected, and the operation is troublesome.
Disclosure of Invention
Therefore, the technical problem to be solved by the invention is to overcome the problems that the crimping state of the terminal in a narrow space cannot be measured and different detection tools need to be replaced when the crimping state of the terminals of different types is detected in the prior art.
In order to solve the above technical problems, the present invention provides 1 a terminal crimping state detection tool for rail transit, comprising
The pull head assembly comprises a pull head, an elastic element and a button screw, the pull head is a cylinder with a hollow inner part, eight rectangular grooves are formed in the periphery of the pull head, a cylindrical connecting piece is arranged in the middle of the pull head, and the pull head is connected with a terminal;
the handle assembly comprises a handle and a handle cover, the handle is of a hollow structure, the bottom of the handle is connected with the handle cover, and the handle cover form a handheld part of the tool;
the main body part comprises an adjusting button, a control processing module, a battery, a display screen and a tension sensor, wherein the battery, the display screen and the tension sensor are electrically connected with the control processing module, and the control processing module is used for processing data fed back by the tension sensor in a stress state so as to detect the crimping state of the terminal.
In one embodiment of the present invention, the elastic element is a spring, and the spring is fixedly connected with the button screw.
In one embodiment of the invention, the battery is mounted in a battery mount, the battery providing electrical power to the body portion.
In one embodiment of the present invention, a sensor mounting base is disposed between the main body portion and the grip assembly.
In one embodiment of the invention, the tension sensor is fixedly mounted on the sensor mounting base by screws.
In one embodiment of the invention, the tension sensor is a spoke type tension sensor.
In one embodiment of the invention, the button screw is in an octagonal bolt structure and is used for matching with the elastic element to adjust the rotation of the pull head.
In one embodiment of the present invention, the handle assembly further comprises a housing, a mounting interface and a mounting groove are arranged in the housing, and the main body portion and the handle assembly are both mounted in the housing through the mounting interface and the mounting groove.
In one embodiment of the present invention, the housing includes a first housing and a second housing, and the first housing and the second housing are fixedly connected by a screw.
In one embodiment of the invention, a rechargeable battery pack is also arranged inside the handle.
Compared with the prior art, the technical scheme of the invention has the following advantages:
1. this product pull head part structural design is convenient for change different notches for detect the terminal of different signals, wherein, the crimping state of eight notch detectable closed contact pin, opening contact pin, tubulose needle, pull head middle part cylinder portion detectable C type terminal crimping state, whole pull head can carry out special customization according to the terminal model, and overall structure is convenient for disassemble and changes.
2. The product control processing module is an integrated circuit board and is responsible for processing and feeding back signal data of the tension sensor in a stress transition state, real-time tension values received by the tension sensor are displayed through the display screen, warning values can be set in advance, after the warning values are reached, the indicator light can light up a red light, and the buzzer can give an alarm.
3. The product is designed into a charging type structure, the handle assembly can be integrally optimized into a detachable battery structure for considering the integral cruising ability of the product, and the integral weight is slightly lower than that of common handheld electric tools (such as electric hand drills and cutting machines) but the integral cruising ability of the product can be greatly improved.
4. The terminal pull-out force detection device can be used in places and spaces where large terminal pull-out force detection equipment is inconvenient to operate due to small and exquisite structure, can be used for detecting the terminal pull-out force of special occasions, can also be used for detecting the compression joint state of a part of under-construction vehicles without detaching cable terminals, and is convenient, rapid and simple to operate.
Drawings
In order that the present invention may be more readily and clearly understood, reference will now be made in detail to the present invention, examples of which are illustrated in the accompanying drawings.
Fig. 1 is a schematic structural view of a tool for detecting a terminal crimping state in a preferred embodiment of the present invention;
FIG. 2 is a schematic view of the first housing of FIG. 1;
the specification reference numbers indicate: 1. a slider; 2. a control processing module; 3. a first housing; 4. a display screen; 5. an adjustment button; 6. an indicator light; 7. a sensor mounting base; 8. a second housing; 9. a battery holder; 10. a tension sensor; a button screw; an elastic element; 13. a screw; 14. a grip; 15. a grip cover; 16. pan head screw.
Detailed Description
The present invention is further described below in conjunction with the following figures and specific examples so that those skilled in the art may better understand the present invention and practice it, but the examples are not intended to limit the present invention.
Referring to fig. 1 and 2, a terminal crimping state detection tool for rail transit comprises:
the pull head assembly comprises a pull head 1, an elastic element 12 and a button screw 11, wherein the pull head 1 is a cylinder with a hollow inner part, eight rectangular grooves are formed in the periphery of the pull head 1, a cylindrical connecting piece is arranged in the middle of the pull head 1, and the pull head 1 is connected with a terminal;
the handle assembly comprises a sensor mounting base 7, a handle 14 and a handle cover 15, wherein the handle 14 is of a hollow structure, the bottom of the handle 14 is connected with the handle cover 15, and the handle 14 and the handle cover 15 form a handheld part of the tool;
the main part, the main part includes adjustment button 5, control processing module 2, battery, display screen 4 and force sensor 10, control processing module 2 with display screen 4 passes through electrical connection, by control processing module 2 carries out force sensor 10 is in the processing of signal data under the stress state to realize the function of detection terminal crimping state, adjustment button 5 is supplementary to realize control processing module 2 and reports to the police, switch, scope and calibration function.
Pull head 1 wholly is cylindrical, and the cylinder border is provided with eight rectangle recesses, the recess width is formulated according to the measured terminal model, and the crimping state of the terminal of eight kinds of different models such as detectable closed contact pin, opening contact pin, tubulose needle, detection efficiency is higher, simultaneously be provided with cylindrical connecting piece in the middle of pull head 1 for detect the crimping state of C type terminal, whole pull head can carry out special formulation according to the terminal model, can detect the crimping state of various model terminals, and overall structure convenient to detach changes.
The handle 14 is a hollow structure, the handle 14 is also provided with a rechargeable structure and is a detachable structure, and the overall weight is slightly lower than that of common hand-held electric tools (such as electric hand drills and cutting machines), but the overall cruising ability of the product is greatly improved.
Specifically, the control processing module 2 is an integrated circuit system and comprises a buzzer and an indicator light 6, the control processing module 2 is electrically connected with the display screen 4, the control processing module 2 processes signal data transmitted by the tension sensor 10 in a stressed state, then the real-time tension value is displayed by the display screen 4, and the display screen 4 is a high-definition digital display screen.
Specifically, the elastic element 12 is a spring, the spring is fixedly connected with the button screw 11, and the spring is a customized spring part and is used for matching with the button screw 11 to adjust the rotation function of the slider.
Specifically, the battery is installed in the battery installation base, the battery provides electric energy for the main body part, the battery is composed of two No. 5 1.5V rechargeable lithium batteries and a battery seat, and the battery seat is adhered to the specified position of the shell mechanism through hot melt adhesive.
Specifically, a sensor mounting base 7 is arranged between the main body portion and the grip assembly, the tension sensor 10 is fixedly mounted on the sensor mounting base 7 through a screw, the sensor mounting base 10 achieves detection tension sensing for fixing the tension sensor 7, the pulling-out force applied to the pull head terminal is equivalently converted to the tension sensor 7, the tension sensor 7 is a spoke type tension sensor, the detection precision is 0N-100N, the actual detection error of the tension value of the tension sensor 7 is +/-0.1N, the precision is high, the screw penetrates through a cover plate of the grip 14, the grip 14 and the sensor mounting base 10 are connected through inserting a flat pad and an elastic pad in series into the sensor mounting base 10.
Specifically, button screw 5 is eight angle bolt structures for accomplish with the spring cooperation and adjust pull head rotation function.
Specifically, the handle comprises a shell, the main body part and the handle assembly are both arranged in the shell, a plurality of installation interfaces and installation grooves for installing all parts of the main body part and the handle assembly are preset in the shell, the shell is of an integral injection molding structure and is made of plastic, the shell comprises a first shell 3 and a second shell 8, the first shell 3 and the second shell 8 are connected through pan head screws 16, and the first shell 3 is connected with the control processing module 2 through cross-recessed pan head screws 16 in a more fastening manner.
The working principle of the invention is as follows:
insert assorted terminal according to waiting to detect terminal model in the recess of pull head 1, sensor installation base 10 realizes detecting the pulling force response for fixed force sensor 7, with pull head terminal pulling force equivalent conversion to force sensor 7, control processing module 2 carries out the signal data that force sensor 7 transmitted under the hand state and handles, then shows real-time pulling force numerical value through high definition digital display screen 4, can set up alert numerical value in advance, if reach or surpass and predetermine behind the alert numerical value that predetermine 6 pilot lamps 6 can light the red light simultaneously the roar can send the police dispatch newspaper, the pulling force numerical value through the demonstration on high definition digital display screen 4 comes the feedback to detect terminal crimping state instrument good or bad.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. This need not be, nor should it be exhaustive of all embodiments. And obvious variations or modifications of the invention may be made without departing from the scope of the invention.
Claims (10)
1. The utility model provides a terminal crimping state detects instrument for track traffic which characterized in that: comprises that
The pull head assembly comprises a pull head, an elastic element and a button screw, the pull head is a cylinder with a hollow inner part, eight rectangular grooves are formed in the periphery of the pull head, a cylindrical connecting piece is arranged in the middle of the pull head, and the pull head is connected with a terminal;
the handle assembly comprises a handle and a handle cover, the handle is of a hollow structure, the bottom of the handle is connected with the handle cover, and the handle cover form a handheld part of the tool;
the main body part comprises an adjusting button, a control processing module, a battery, a display screen and a tension sensor, wherein the battery, the display screen and the tension sensor are electrically connected with the control processing module, and the control processing module is used for processing data fed back by the tension sensor in a stress state so as to detect the crimping state of the terminal.
2. The rail transit terminal crimping state detection tool according to claim 1, characterized in that: the elastic element is a spring, and the spring is fixedly connected with the button screw.
3. The rail transit terminal crimping state detection tool according to claim 1, characterized in that: the battery is installed in the battery mount pad, the battery provides the electric energy for the main part.
4. The rail transit terminal crimping state detection tool according to claim 1, characterized in that: a sensor mounting base is disposed between the main body portion and the grip assembly.
5. The rail transit terminal crimping state detection tool according to claim 4, characterized in that: the tension sensor is fixedly installed on the sensor installation base through screws.
6. The rail transit terminal crimping state detection tool according to claim 5, characterized in that: the tension sensor is a spoke type tension sensor.
7. The rail transit terminal crimping state detection tool according to claim 1, characterized in that: the button screw is of an octagonal bolt structure and is used for being matched with the elastic element to adjust the rotation of the pull head.
8. The rail transit terminal crimping state detection tool according to claim 1, characterized in that: still include the casing, be equipped with installation interface and mounting groove in the casing, the main part with the handle subassembly all passes through installation interface, mounting groove install in handle subassembly in the casing.
9. The rail transit terminal crimping state detecting tool according to claim 8, characterized in that: the shell comprises a first shell and a second shell, and the first shell and the second shell are fixedly connected through screws.
10. The rail transit terminal crimping state detection tool according to claim 1, characterized in that: the handle is also internally provided with a rechargeable battery pack.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211330260.6A CN115524225A (en) | 2022-10-27 | 2022-10-27 | Terminal crimping state detection tool for rail transit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211330260.6A CN115524225A (en) | 2022-10-27 | 2022-10-27 | Terminal crimping state detection tool for rail transit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115524225A true CN115524225A (en) | 2022-12-27 |
Family
ID=84704318
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211330260.6A Pending CN115524225A (en) | 2022-10-27 | 2022-10-27 | Terminal crimping state detection tool for rail transit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115524225A (en) |
-
2022
- 2022-10-27 CN CN202211330260.6A patent/CN115524225A/en active Pending
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