CN216462910U

CN216462910U - Mistake proofing device is screwed up to motor shaft end cover

Info

Publication number: CN216462910U
Application number: CN202122862901.XU
Authority: CN
Inventors: 周滔; 王金辉; 马先磊
Original assignee: Loteem Beijing Rail Transit Technology Co Ltd
Current assignee: Loteem Beijing Rail Transit Technology Co Ltd
Priority date: 2021-11-18
Filing date: 2021-11-18
Publication date: 2022-05-10
Anticipated expiration: 2031-11-18

Abstract

The utility model discloses a motor shaft end cover screwing error-proofing device which comprises a shell, wherein the shell comprises a disc structure and three fan-shaped structures uniformly distributed on the circumference of the disc structure, a circular containing cavity is formed in the disc structure in a hollow mode, three containing cavities are formed in the fan-shaped structures respectively for the hollow structures, the circular containing cavity is communicated with the three containing cavities, and the three containing cavities are a first containing cavity, a second containing cavity and a third containing cavity respectively; a main control board and a communication module are arranged in the circular accommodating cavity, a sensing detection module is arranged in the first accommodating cavity, a state indication module is arranged in the second accommodating cavity, and a power management module and a battery are arranged in the third accommodating cavity; and indicator lights and sensors are arranged at two ends of the three accommodating cavities, and probes of the sensors extend out of the shell. The motor shaft end cover screwing mistake-proofing device provided by the utility model has the advantages of wide application range, small volume and low power consumption, and can effectively prevent the mistake of the screw installation sequence and the installation torque.

Description

Mistake proofing device is screwed up to motor shaft end cover

Technical Field

The utility model relates to the technical field of motor car maintenance, in particular to a device for preventing a motor shaft end cover from being screwed down by mistake.

Background

At present, after a motor is assembled, disassembled and overhauled in a high-grade maintenance motor of a railway locomotive in an overhaul assembly workshop of a motor train section and a motor train application place, a motor shaft end cover needs to be screwed, the existing process for screwing the shaft end of the motor is manual screwing, the screwing sequence cannot be guaranteed (the opposite-angle screwing is required, and the unbalance of the integral stress caused by the bias voltage of the shaft end cover can be prevented) and the final torque value of each bolt can be recorded. Therefore, there is a great need to develop a tightening device that addresses the error proofing reminders and data logging of the tightening sequence.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem of error prevention in the screw tightening process of the rear shaft end cover in the disassembly, assembly and maintenance of the high-grade maintenance motor of the railway locomotive in the maintenance assembly workshop of the motor train section and the motor train application, the utility model provides the following technical scheme:

a wrong-proof device for screwing an end cover of a motor shaft comprises a shell, wherein the shell comprises a disc structure and three fan-shaped structures uniformly distributed on the circumference of the disc structure, a circular containing cavity is formed in the disc structure in a hollow mode, three containing cavities are formed in the fan-shaped structures in the hollow mode respectively, the circular containing cavity is communicated with the three containing cavities, and the three containing cavities are a first containing cavity, a second containing cavity and a third containing cavity respectively;

a main control board and a communication module are arranged in the circular accommodating cavity, a sensing detection module is arranged in the first accommodating cavity, a state indication module is arranged in the second accommodating cavity, and a power management module and a battery are arranged in the third accommodating cavity;

indicator lights and sensors are arranged at two ends of the three accommodating cavities, and probes of the sensors extend out of the shell; the main control board is respectively electrically connected with the communication module, the sensing detection module, the state indication module and the power management module, the sensing detection module is electrically connected with the sensor, the state indication module is electrically connected with the indication lamp, the battery is electrically connected with the power management module, and the battery provides power for the main control board, the communication module, the sensing detection module, the state indication module, the power management module, the sensor and the indication lamp.

Furthermore, a charging port is formed in the third accommodating cavity, the power management module comprises an input end and an output end, the input end is connected with the charging port, and the output end is electrically connected with the battery.

Further, the indicator light protrudes from the upper end of the housing.

Compared with the prior art, the utility model has the beneficial effects that:

(1) the device for preventing the motor shaft end cover from being screwed up has wide application range, is not limited to motor train units, and can be used for preventing the motor shaft end cover from being screwed up and wrong for other similar trains such as subways, urban railways and intercity railways;

(2) the motor shaft end cover screwing error-proofing device provided by the utility model has the advantages that the device is small in size and low in power consumption, the design of power supply of an internal rechargeable battery is adopted, the work task of overhauling for 8 hours can be met after one-time charging, and the device is convenient to install and use on site;

(3) the motor shaft end cover screwing error-proofing device provided by the utility model adopts the low-power consumption sensor, the main control board, the communication module and other electronic modules to be matched with the embedded kernel operating system, so that the automation and informatization degrees are high;

(4) according to the motor shaft end cover screwing error-proofing device provided by the utility model, the communication module is adapted to the wireless communication standards of most intelligent wrenches in the market, the data acquisition and transmission requirements of the intelligent wrenches for overhauling can be met, and the application range is wide;

(5) according to the motor shaft end cover screwing mistake-proofing device provided by the utility model, the position of the intelligent wrench is identified through the sensor, the sensor sequentially identifies and records the position change information of the intelligent wrench, the screwing sequence of screws is further determined, and the screwing sequence is transmitted to the main control board through the sensing detection module; the intelligent wrench transmits the final torque value for screwing each screw to the main control board through the communication model, the program in the main control board compares the recorded screwing sequence of the 6 bolts and the corresponding torque value, and the program in the main control board compares the data with the preset screwing sequence and the preset torque value, so that the motor shaft end cover screw is screwed and prevented from being mistakenly screwed.

Drawings

FIG. 1 is a top view of the tightening error proofing device for motor shaft end caps of the present invention;

FIG. 2 is a cross-sectional view of the tightening error proofing device of the motor shaft end cover of the present invention;

fig. 3 is a schematic diagram of the present invention.

In the figure: 1. a housing; 11. a disc structure; 111. a circular containing cavity; 12. a first fan-shaped structure; 121. a first accommodating chamber; 13. a second fan-shaped structure; 131. a second accommodating chamber; 14. a third fan-shaped structure; 141. a third accommodating chamber; 2. an indicator light; 3. a sensor; 4. a charging port.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1

The utility model provides a motor shaft end cover screwing mistake-proofing device which comprises a shell 1, wherein the shell 1 comprises a disc structure 11, a first fan-shaped structure 12, a second fan-shaped structure 13 and a third fan-shaped structure 14 which are uniformly distributed on the circumferential direction of the disc, a circular containing cavity 111 is formed inside the disc structure 11, a first containing cavity 121, a second containing cavity 131 and a third containing cavity 141 are respectively formed inside the first fan-shaped structure 12, the second fan-shaped structure 13 and the third fan-shaped structure 14, and the circular containing cavity 111 is respectively communicated with the first containing cavity 121, the second containing cavity 131 and the third containing cavity 141. Exemplarily, shell 1's structure includes last casing and the lower casing of the mutual block in edge, goes up the casing and is the same with lower shell structure, all includes disc structure and evenly distributed in the first fan-shaped structure of disc circumference, second fan-shaped structure and third fan-shaped structure.

The circular interior installation main control board and the communication module that hold chamber 111, the first sensing module that installs in holding chamber 121, the second holds the installation status indication module in the chamber 131, and the third holds intracavity 141 and installs power management module and battery.

First chamber 121, the second that holds, the third holds both ends that chamber 141 all installs pilot lamp 2 and sensor 3, and sensor 3's probe stretches out shell 1, exemplarily, every fan-shaped structure all is equipped with 2

pilot lamps

2 and 2

sensor

3, and 2 pilot lamps 2 are located 2 sensor 3's inboard, and sensor 3 sets up along the radius direction of fan-shaped structure, and the side opening is seted up at the edge of fan-shaped structure, and the probe of 3 front ends of sensor stretches out shell 1's side opening, discerns the monitoring to the electric spanner of the device circumference.

The main control board is respectively electrically connected with the communication module, the sensing detection module, the state indication module and the power management module, the sensing detection module is electrically connected with the sensor 3, the state indication module is electrically connected with the indicator lamp 2, the battery is electrically connected with the power management module, and the battery provides power for the main control board, the communication module, the sensing detection module, the state indication module, the power management module, the sensor and the indicator lamp.

Specifically, the third accommodating cavity 141 is provided with a charging port 4, the power management module includes an input end and an output end, the input end is connected with the charging port 4, and the output end is electrically connected with the battery.

Specifically, the indicator light 2 extends out of the upper end of the housing 1, preferably, a hole is formed in the upper end face of the housing 1, and the indicator light 2 extends out of the housing 1 through the hole to indicate the status.

Specifically, the lower extreme installation clamping jaw of shell 1, motor shaft end cover screw up the mistake proofing device and be fixed in the motor shaft end cover through the clamping jaw on, preferably, shell 1's lower casing mid-mounting clamping jaw.

It is worth noting that 6 screws need to be screwed in the circumferential direction of the motor shaft end cover, the 6 screws are numbered as 1-2-3-4-5-6 in sequence, in order to prevent the overall stress imbalance caused by the bias voltage of the shaft end cover, the screws need to be screwed in a diagonal sequence, and the sequence of installing the screws is 1-6-2-4-3-5 in an exemplary manner; to ensure that all 6 screws are tightened, it is necessary to rotate each screw to a specified torque value.

When in specific use, the method comprises the following steps:

the method comprises the following steps: the motor shaft end cover tightening error-proofing device is arranged on the motor shaft end cover;

step two: presetting a screwing sequence of screws in a main control board, sequentially lighting up indicator lamps at positions corresponding to 6 bolts according to the preset screwing sequence in a program, when the indicator lamp at the position corresponding to the 1 st screw is lighted up, firstly, installing the 1 st screw by an intelligent wrench by an operator, identifying the intelligent wrench by a sensor at the position corresponding to the 1 st screw, transmitting the position information (namely the position of the 1 st screw) to the main control board through a sensing detection module, transmitting torque data of the screwed screw to the main control board by the intelligent wrench through a communication module, obtaining the position information and the corresponding torque value of the 1 st screw by the main control board, taking off the intelligent wrench by the operator, and turning off the indicator lamp at the position corresponding to the 1 st screw;

step three: the second indicator light is turned on, the second indicator light starts to be screwed, and by analogy, until six bolts are screwed, the screwing sequence of the 6 recorded bolts and the corresponding torque value are compared by the program in the main control board, the data is compared with the preset screwing sequence and the preset torque value by the program in the main control board, the motor shaft end cover screw can be screwed up and prevented from being mistakenly screwed, and the data is uploaded to the upper computer through the communication module to be displayed and recorded.

It should be noted that, the function of each module in the motor shaft end cover screwing error-proofing device is as follows:

the main control board: the system is mainly used for acquisition and processing of sensing data, communication transceiving and processing of communication data, management of a power supply module and output of state indication;

a power management module: the method mainly comprises the following steps of controlling and managing the charging and discharging of a battery in the device and controlling the output voltage and current;

a state indication module: mainly displaying various status indications;

the sensing detection module: the method is mainly used for detecting the position and the tightening sequence of the wrench when the wrench screws the bolt;

a communication module: the communication module is communicated with the upper computer and the intelligent wrench and is mainly used for communicating with the main control unit, the external upper computer and the intelligent wrench and uploading target torque data and tightening sequence data of screws in the tightening process.

Compared with the prior art, the utility model has the beneficial effects that:

(4) according to the motor shaft end cover screwing error-proofing device provided by the utility model, the communication module is adapted to the wireless communication standards of most intelligent wrenches in the market, the data acquisition and transmission requirements of the intelligent wrenches for overhauling can be met, and the application range is wide.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The device is characterized by comprising a shell (1), wherein the shell (1) comprises a disc structure (11) and three fan-shaped structures uniformly distributed in the circumferential direction of the disc structure (11), a circular accommodating cavity (111) is formed in the disc structure (11) in a hollow mode, the three accommodating cavities are formed in the fan-shaped structures respectively for the hollow structures, the circular accommodating cavity (111) is communicated with the three accommodating cavities, and the three accommodating cavities are a first accommodating cavity (121), a second accommodating cavity (131) and a third accommodating cavity (141);

a main control board and a communication module are installed inside the circular accommodating cavity (111), a sensing detection module is installed in the first accommodating cavity (121), a state indication module is installed in the second accommodating cavity (131), and a power management module and a battery are installed in the third accommodating cavity (141);

indicator lamps (2) and sensors (3) are mounted at two ends of the three accommodating cavities, and probes of the sensors (3) extend out of the shell (1);

the main control board is respectively electrically connected with the communication module, the sensing detection module, the state indication module and the power management module, the sensing detection module is electrically connected with the sensor (3), the state indication module is electrically connected with the indicator lamp (2), the battery is electrically connected with the power management module, and the battery provides power for the main control board, the communication module, the sensing detection module, the state indication module, the power management module, the sensor and the indicator lamp.

2. The motor shaft end cover screwing error-proofing device according to claim 1, characterized in that the third accommodating cavity (141) is provided with a charging port (4), the power management module comprises an input end and an output end, the input end is connected with the charging port (4), and the output end is electrically connected with the battery.

3. The motor shaft end cover screwing error-proofing device according to claim 1, characterized in that the indicator light (2) extends out of the upper end of the shell (1).