CN2903946Y - Tester for support lug resistance - Google Patents

Abstract

An ear-resistance test instrument, the utility model belongs to the fuses weighing detection technology, which comprises a stepping motor, a frame, a upper cover, a weighing sensor, a bar, a supporting plane, an ear cradle, a guide column, a smart display meter, a stepper motor driver, a up position limit sensor, a down position limit sensor, a sensor bracket, a gear and a controller, wherein, the machinery and the electric control parts are installed on the bracket which is a steel plate welded box structure, which uses a heavy load to replace a load cell, rotary stepper motor drives gear and rack move upward, weighing pressure sensor outputs signal to the smart display instruments when the ear contact with the measured pressure bar, and continually move the rack upward, the pressure increased, the intelligent instrument display shows the value is the resistance of our ears bear value, the utility model is simple in structure, fast and accurate the pressure can be continuous increased in detection, quantitative measurement, reliable and easy to carry, which fit for the requirement of the army on detecting the fuses ear-resistance.

Description

A kind of journal stirrup drag test instrument

Technical field

The utility model belongs to the fuse detection technique of weighing, particularly a kind of journal stirrup drag test instrument.

Background technology

At present the most turriform drag instrument that adopt of the drag detection of various fuse journal stirrups are carried out, instrument is by rocking handle, drive screw, lever, push rod, the journal stirrup carriage, depression bar, main loading and one group of part such as auxiliary loading are formed, owing to adopt said structure, so have: the equipment heaviness, method is original, can not realize more accurate measurement, operation manually, labour intensity is bigger, topmost problem is that loading is interrupted, have only several fixed values,, have the scope of application of being exactly narrower again so can not realize detection by quantitative, an instrument can not be tested multiple journal stirrup, in order to overcome the shortcoming of above-mentioned turriform drag instrument, the utility model provides a kind of journal stirrup drag test instrument, has simple to operate, measure accurately, be widely used, advantage such as be easy to carry.

Summary of the invention

The purpose of this utility model is to detect the problem of existence at the drag of the journal stirrup in the fuse, provide a kind of simple in structure, detect fast accurately, pressurization continuously, quantitative measurment, reliable operation and portable journal stirrup drag test instrument, be suitable for the needs that army is detected journal stirrup drag in the various fuses.

The utility model comprises safe drag feeler switch, arming drag feeler switch, complete arming drag feeler switch, lower cover, stepper motor, support, upper cover plate, LOAD CELLS, depression bar, bearing support, the journal stirrup carriage, tooth bar, guide pillar, the intelligent display table, standby indicating lamp, relay indicating light, the abrupt pressure reduction pilot lamp, stepper motor driver, the lower limit sensor, the upper limit sensor, sensor stand, gear, controller, direct supply, postnotum, supply socket and power switch, support is the body structure that adopts the steel plate welding, upper cover plate is screwed on support, lower cover is screwed below support, postnotum is screwed the back at support, LOAD CELLS by screw retention on upper cover plate, depression bar by bracing frame be fixed on upper cover plate below, depression bar can slide up and down in bracing frame, the sensing head of LOAD CELLS is aimed in the depression bar upper end, stepper motor is screwed the side at support, be fixed with gear by key on the output shaft of stepper motor, tooth bar is arranged on the guide pillar, guide pillar is screwed on lower cover, tooth bar can slide up and down on guide pillar, the wheel and rack engagement, tooth bar can move up and down along guide pillar under the drive of gear, the journal stirrup carriage be arranged on tooth bar above, tested journal stirrup be arranged on the journal stirrup carriage above.Be welded with sensor stand on the lower cover, upper limit sensor, lower limit sensor are screwed on sensor stand.

Safe drag feeler switch, arming drag feeler switch, an end of arming drag feeler switch connects the input interface of controller respectively fully, another common port connects the 24V ' end of controller, the lower limit sensor, the output terminal of upper limit sensor connects the input interface of controller respectively, the public anode of power supply connects the 24V ' end of controller, the public negative terminal of power supply connects the 24G ' end of controller, two output terminals of intelligent display table connect the input interface of controller, common connects the 24V ' end of controller, the 220V of supply socket is through power switch, insurance and direct supply, controller, the intelligent display table, the 220V end of stepper motor driver connects, the 0V of supply socket and direct supply, controller, the intelligent display table, the 0V end of stepper motor driver connects, the earth terminal of supply socket is connected with support, the delivery outlet of controller by current-limiting resistance respectively with standby indicating lamp, relay indicating light, one end of abrupt pressure reduction pilot lamp connects, standby indicating lamp, relay indicating light, another common port of abrupt pressure reduction pilot lamp and direct supply produce+the 24V end is connected, the delivery outlet of controller also by current-limiting resistance respectively with the pulse of stepper motor driver, direction control anode connects; The pulse of stepper motor driver, direction control negative terminal are connected with the ground end of direct supply, the output termination stepper motor of stepper motor driver, the output terminal of LOAD CELLS is connected with the input end of intelligent display table, and the input ground end of intelligent display table, the output of LOAD CELLS ground end, power supply ground end all are connected with the ground end of direct supply.Described detection drag is set between 0～10KG.

The utlity model has simple in structure, detect fast accurately, pressurization continuously, quantitative measurment, reliable operation and advantage such as be easy to carry, be suitable for the needs that army is detected journal stirrup drag in the various fuses.

Description of drawings:

Fig. 1 is a structural representation front view of the present utility model

Fig. 2 is a structural representation side view of the present utility model

Fig. 3 is a circuit principle structure synoptic diagram of the present utility model

Among the figure: 1 safe drag feeler switch, 2 arming drag feeler switchs, 3 complete arming drag feeler switchs, 4 lower covers, 5 stepper motors, 6 supports, 7 upper cover plates, 8 LOAD CELLS, 9 depression bars, 10 bearing supports, 11 tested journal stirrups, 12 journal stirrup carriages, 13 tooth bars, 14 guide pillars, 15 intelligent display tables, 16 standby indicating lamp, 17 relay indicating lights, 18 abrupt pressure reduction pilot lamp, 19 stepper motor drivers, 20 lower limit sensors, 21 upper limit sensors, 22 sensor stands, 23 gears, 24 controllers, 25 direct supplys, 26 postnotums, 27 supply sockets and 28 power switches.

Embodiment

Further specify the organization plan of the present utility model and the course of work below in conjunction with example.

As Fig. 1, Fig. 2, shown in Figure 3, a kind of journal stirrup drag test instrument comprises safe drag feeler switch 1, arming drag feeler switch 2, complete arming drag feeler switch 3, lower cover 4, stepper motor 5, support 6, upper cover plate 7, LOAD CELLS 8, depression bar 9, bearing support 10, journal stirrup carriage 12, tooth bar 13, guide pillar 14, intelligent display table 15, standby indicating lamp 16, relay indicating light 17, abrupt pressure reduction pilot lamp 18, stepper motor driver 19, lower limit sensor 20, upper limit sensor 21, sensor stand 22, gear 23, controller 24, direct supply 25, postnotum 26, supply socket 27 and power switch 28.

As shown in Figure 1 and Figure 2, support 6 is the body structures that adopt the steel plate welding, and upper cover plate 4 is screwed on support 6, and lower cover 7 is screwed below support 6, and postnotum 26 is screwed the back at support 6.LOAD CELLS 8 by screw retention on upper cover plate 7, depression bar 9 by bracing frame 10 be fixed on upper cover plate 7 below, depression bar 9 can slide up and down in bracing frame 10, the sensing head of LOAD CELLS 8 is aimed in depression bar 9 upper ends.Stepper motor 5 is screwed the side at support 6, be fixed with gear 23 by key on the output shaft of stepper motor 5, tooth bar 13 is arranged on the guide pillar 14, guide pillar 14 is screwed on lower cover 4, tooth bar 13 can slide up and down on guide pillar 14, gear 23 and tooth bar 13 engagements, and tooth bar 13 can move up and down along guide pillar 14 under the drive of gear 23, journal stirrup carriage 12 be arranged on tooth bar 13 above, tested journal stirrup 11 be arranged on journal stirrup carriage 12 above.Be welded with sensor stand 22 on the lower cover, upper limit sensor 20, lower limit sensor 21 are screwed on sensor stand 22.

As shown in Figure 3, safe drag feeler switch 1, arming drag feeler switch 2, an end of arming drag feeler switch 3 connects the input interface P00 of controller 24 respectively fully, P01, the P02 end, another common port connects the 24V ' end of controller 24, lower limit sensor 20, the output terminal of upper limit sensor 21 connects the input interface P03 of controller respectively, the P04 end, the public anode of power supply connects the 24V ' end of controller 24, the public negative terminal of power supply connects the 24G ' end of controller 24, two output terminal OUT1 of intelligent display table 15, OUT2 connects the input interface P05 of controller 24, the P06 end, common connects the 24V ' end of controller 24, the 220V of supply socket 27 is through power switch 28, insurance and direct supply 25, controller 24, intelligent display table 15, the 220V end of stepper motor driver 19 connects, the 0V of supply socket 27 and direct supply 25, controller 24, intelligent display table 15, the 0V end of stepper motor driver 19 connects, the earth terminal of supply socket 27 is connected with support 6, the delivery outlet P40 of controller 24, P41, P42 end by current-limiting resistance respectively with standby indicating lamp 16, relay indicating light 17, one end of abrupt pressure reduction pilot lamp 18 connects, standby indicating lamp 16, relay indicating light 17, another common port of abrupt pressure reduction pilot lamp 18 and direct supply 25 produce+and the 24V end is connected, the delivery outlet P43 of controller 24, P44 end by current-limiting resistance respectively with the pulse anode CP+ of stepper motor driver 19, direction control anode DIR+ connects, the pulse negative terminal CP-of stepper motor driver 15, direction control negative terminal DIR-is connected with the ground end GND of direct supply 25, the output terminals A of stepper motor driver 19, B, C connects stepper motor 5, the output terminal OUT of LOAD CELLS 8 is connected the input ground end of intelligent display table 15 with the input end IN of intelligent display table 15, the output ground end of LOAD CELLS 8, power supply ground end all is connected with the ground end of direct supply 25.

The principle of work that the utility model detects the journal stirrup drag is: utilize LOAD CELLS to replace heavy loading, its principle of work is: the rotation of Controlled by Programmable Controller stepper motor, the gear driven tooth bar slowly moves up, when tested journal stirrup contacts depression bar, LOAD CELLS output pressure signal is given intelligent display meter, tooth bar continues to move upward, and pressure increases, and the value that intelligent display meter shows is exactly the drag that journal stirrup bears.

The course of work of the present utility model is: according to the detection requirement of certain journal stirrup, the safe drag value of intelligent display table 15 is set and removes insurance drag value, turn on the power switch 27, if this moment lower limit sensor 20 to perceive tooth bar 13 be not to be in lowermost end, stepper motor 5 will drive tooth bar 13, and to be returned to lowermost end be that zero-bit enters holding state.

Safe drag test: press safe drag feeler switch 1,5 rotations of controller 24 control step motors, gear 23 drives tooth bar 13 and slowly moves up, oppress depression bar 9 and LOAD CELLS 8 gradually, when force value reached the safe drag value of tested journal stirrup 11, stepper motor 5 was inverted to zero-bit, takes off tested journal stirrup 11, observe its deformation, assess its quality on request.If the drag value is not before reaching safe drag value, the abrupt pressure reduction phenomenon takes place, show the gross distortion damage of tested journal stirrup 11, stepper motor 5 is inverted to zero-bit, because intelligent display table 15 has peak-value-holding function, so can write down the maximum drag when gross distortion takes place.

Arming drag test: press arming drag feeler switch 2,5 rotations of controller 24 control step motors, gear 23 drives tooth bar 13 and slowly moves up, oppress depression bar 9 and LOAD CELLS 8 gradually, when force value reached the arming drag value of tested journal stirrup 11, stepper motor 5 was inverted to zero-bit, took off tested journal stirrup 11, observe its deformation, assess its quality on request.If the drag value is not before reaching arming drag value, the abrupt pressure reduction phenomenon takes place, show the gross distortion damage of tested journal stirrup 11, stepper motor 5 is inverted to zero-bit, because intelligent display table 15 has peak-value-holding function, so can write down the maximum drag when gross distortion takes place.

Arming drag test fully: press complete arming drag feeler switch 3,5 rotations of controller 24 control step motors, gear 23 drives tooth bar 13 and slowly moves up, oppress depression bar 9 and LOAD CELLS 8 gradually, when the abrupt pressure reduction phenomenon takes place when, stepper motor 5 is inverted to zero-bit, and the displayed value of intelligent display table 15 is exactly the least resistance of its complete arming.

Claims (1)

1, a kind of journal stirrup drag test instrument, it is characterized in that, comprise safe drag feeler switch, arming drag feeler switch, complete arming drag feeler switch, lower cover, stepper motor, support, upper cover plate, LOAD CELLS, depression bar, bearing support, the journal stirrup carriage, tooth bar, guide pillar, the intelligent display table, standby indicating lamp, relay indicating light, the abrupt pressure reduction pilot lamp, stepper motor driver, the lower limit sensor, the upper limit sensor, sensor stand, gear, controller, direct supply, postnotum, supply socket and power switch, support is the body structure that adopts the steel plate welding, upper cover plate is screwed on support, lower cover is screwed below support, postnotum is screwed the back at support, LOAD CELLS by screw retention on upper cover plate, depression bar by bracing frame be fixed on upper cover plate below, depression bar can slide up and down in bracing frame, the sensing head of LOAD CELLS is aimed in the depression bar upper end, stepper motor is screwed the side at support, be fixed with gear by key on the output shaft of stepper motor, tooth bar is arranged on the guide pillar, guide pillar is screwed on lower cover, tooth bar can slide up and down on guide pillar, the wheel and rack engagement, tooth bar can move up and down along guide pillar under the drive of gear, the journal stirrup carriage be arranged on tooth bar above, tested journal stirrup be arranged on the journal stirrup carriage above, be welded with sensor stand on the lower cover, the upper limit sensor, the lower limit sensor is screwed on sensor stand.

Images