CN2116300U

CN2116300U - Multipurpose machine for automotive maintenance

Info

Publication number: CN2116300U
Application number: CN 92211193
Authority: CN
Inventors: 李思满
Original assignee: DONGFENG MACHINERY AND ELECTRICAL APPLIANCE PLANT QINGDAO CITY
Current assignee: DONGFENG MACHINERY AND ELECTRICAL APPLIANCE PLANT QINGDAO CITY
Priority date: 1992-01-24
Filing date: 1992-01-24
Publication date: 1992-09-16

Abstract

The utility model relates to a multipurpose machine for automotive maintenance, which overcomes the shortage of shaping the disassembly of automobile outer shells and solves the problems of the automobile maintenance industry with multiple equipment, high cost and low equipment utilization. The primary winding group of the transformer of the utility model is provided with a plurality of taps which are changed by a converting switch and the primary winding group and the power supply are controlled on and off by a control circuit. A secondary winding group is composed of a shaping winding group and a rectifying winding group which is connected with a shaping handle and a spot welding tong. The rectifying winding group connected with a rectifying circuit is used for starting up the automobile, charging batteries and arc welding direct current and the utility model is mainly used for the automobile maintenance industry to realize one machine with multiple functions and improve equipment utilization rate.

Description

Multipurpose machine for automotive maintenance

The utility model relates to a kind of auto repair multiple purpose aeroplane that is used for automobile maintenance industry and truck organization.

Automobile case is out of shape for some reason, and surface irregularity wants to repair, and the automobile mechanic is normally disintegrated automobile case, and striking with a hammer makes its reinstatement, and then shell is installed, and needs gas cutting and welding sometimes.Carry out the automobile case shaping in this way, inefficiency, of poor quality, labour intensity is big; The northern China winter temperature is lower, and car engine difficulty, particularly diesel car are started particularly difficulty.When some large-scale transport team starts up the car in the morning, need in radiator, to add earlier hot water, troublesome poeration, lose time; In addition, operations such as automobile maintenance industry often welds, spot welding, charging, starting, these are operated and all have a transformer in every complete equipment, waste material, increase cost, usage ratio of equipment is low.

The utility model is a kind of auto repair multiple purpose aeroplane that designs for the shortcoming that overcomes above-mentioned prior art, it adopts same transformer to finish operations such as various automobile case plastic repair, electronic arc welding, spot welding, charge in batteries and automobile start, for adapting to the specific (special) requirements of automobile maintenance industry, reach a tractor serves several purposes, improve the purpose of utilization rate of equipment and installations.

Technical solution of the present utility model is, a kind of auto repair multiple purpose aeroplane, and its transformer T is by primary winding L ₁, auxiliary winding and iron core form.Primary winding L ₁Have some taps, by change over switch K ₁Each tap of conversion is to change the output voltage and the electric current of auxiliary winding.Its special character is, primary winding L ₁And control conducting and disconnection by control loop between the AC power; Auxiliary winding is by the shaping winding L ₂Form with the rectification winding.The shaping winding L ₂Output LOW voltage, big electric current, its output G, H is connected with spot welding soldering turret M with the shaping handle, can finish various plastic repair and spot weld operation; The rectification winding has many taps, by change over switch K ₂Be connected with rectification circuit, the output of rectification circuit is connected with automobile start terminal, charge in batteries terminal or electronic arc welding soldering turret.

Rectification winding of the present utility model is by the winding L of equal turn numbers ₃And winding L ₄Form.Winding L ₃And winding L ₄Have centre tap q and m respectively, winding L ₄L end and winding L ₃P end be homopolar end, winding L ₄N end and winding L ₃R end be homopolar end.Rectification circuit is by diode D ₁, D ₂The full-wave rectifying circuit of forming.L end and r hold respectively and diode D ₁Negative pole and diode D ₂Negative pole connect diode D ₁, D ₂Positive pole link together as the output head anode D of rectification circuit, the negative pole of output end F of rectification circuit is by double-point double-throw switch K ₂With winding L ₃And L ₄Other tap connect.As double-point double-throw switch K ₂Beat when n end and p end output direct current 24V voltage.As double-point double-throw switch K ₂Beat when m end and g end output direct current 12V voltage.Sustained diode ₃Be connected in parallel on the output of full-wave rectifying circuit.

Rectification winding of the present utility model also can be by winding L ₅Form winding L ₅Two ends be respectively t and v, and have centre tap u.Rectification circuit is bridge rectifier Q, and its input is held and single-pole double-throw switch (SPDT) K with v respectively ₂Connect.Work as K ₂Beat when t holds bridge rectifier Q output direct current 24V voltage.Work as K ₂Beat when u holds bridge rectifier output direct current 12V voltage.

Shaping handle of the present utility model is butt-joint stretching handle, melting welding handle, thin plate spot welding handle or thin plate cutting handle.The shaping winding L ₂Output can finish the plastic repair operation of automobile case by these handles.

Charge in batteries terminal of the present utility model has shunt L, is connected to ammeter A on the shunt L, and ammeter A is used to indicate charging current.

Control loop of the present utility model makes control circuit, delay control circuit and indicating circuit form by main.Make control circuit can control the conducting and the disconnection of major loop by main by the people; Can control the major loop time-delay by delay control circuit disconnects; Can indicate any disconnection of delaying time constantly by indicating circuit.

The utility model adopts same transformer just can finish operations such as automobile case plastic repair, electronic arc welding, spot welding, charge in batteries and automobile start, can save a large amount of electromagnetic wires and silicon steel plate, and utilization rate of equipment and installations is improved greatly, and cost reduces.In the winter of cold, it can replace automobile storage battery to start up the car, and is not subjected to the restriction of ambient temperature, can rapidly various vehicle startups be got up.Its electronic arc welding function can replace gas welding that iron plate, automobile skeleton are welded, and is easy to operate, and cost is lower.In addition, it can finish the plastic repair operation of automobile case by various shaping handles, and the shell shaping need not disintegrated, and high efficiency, quality is good, labour intensity is low.The utility model can be realized time-delay control because control loop has delay control circuit and indicating circuit to spot weld operation, during with a kind of batch workpiece spot welding, can make simple to operately, and operating efficiency improves, and can guarantee the quality of spot welding.

Below in conjunction with accompanying drawing embodiment of the present utility model is described in detail.

Fig. 1 is the circuit diagram of the utility model embodiment 1,

Fig. 2 is the circuit diagram of the utility model embodiment 2.

Fig. 3 is the schematic diagram of butt-joint stretched operation.

Fig. 4 is the schematic diagram of melting welding operation.

Fig. 5 is the schematic diagram of thin plate spot weld operation.

Fig. 6 is the schematic diagram of thin plate cutting operation.

As shown in Figure 1, the primary winding L of the transformer T of embodiment 1 ₁A, b, c are arranged ... 11 taps such as j, k, change over switch K ₁Be used for these taps of conversion.Change over switch K ₁By contactor J ₁Normally opened contact J ₁-1 is connected with the input B of 380V AC power, and tap k is by contactor J ₁Normally opened contact J ₁-2 are connected with the input C of 380V AC power.X ₁Be power supply indicator.The iron core of transformer T adopts W ₃₂Silicon steel plate.The auxiliary winding of transformer T is by the shaping winding L ₂Form with the rectification winding.The shaping winding L ₂Adopt thicker electromagnetic wire, output voltage is 4～8V, and output current is bigger.Winding L ₂Output G, H be used for being connected with various shaping handles, according to different shaping requirements, can be respectively be connected with butt-joint stretching handle 3, melting welding handle 7, thin plate spot welding handle 9 or thin plate cutting handle 12.Winding L ₂Output G, H also be connected with spot welding soldering turret M, but the various workpiece of spot welding.The rectification winding is by two equal turn numbers, winding L that the electromagnetic wire wire gauge is identical ₃And L ₄Form winding L ₃And L ₄Have centre tap q and m respectively.Winding L ₃P end and winding L ₄L end be homopolar end, winding L ₃R end and winding L ₄N end be homopolar end.Diode D ₁, D ₂Form a full-wave rectifying circuit, diode D ₁Negative pole and diode D ₂Negative pole hold with l end and r respectively and be connected diode D ₁, D ₂Positive pole link together as the output head anode D of rectification circuit, the negative pole F of rectification circuit is by double-point double-throw switch K ₂With winding L ₃And winding L ₄Connect, as double-point double-throw switch K ₂Beat when n, p hold, rectification circuit output direct current 24V voltage is as double-point double-throw switch K ₂Beat when m, q hold rectification circuit output direct current 12V voltage.Sustained diode ₃Be connected in parallel on the output of rectification circuit with voltmeter V.The output D of rectification circuit is connected with output E by shunt L, is connected to ammeter A on the shunt L.Output D, F are the automobile start terminal, are used for automobile start and electronic arc welding.During automobile start, D, F end is connected with automobile starter.During electronic arc welding, D, F end is connected with workpiece with soldering turret respectively.Output E, F are the charge in batteries terminal, are used for charge in batteries, and ammeter V and ammeter A are used to detect output voltage and charging current.The control loop of present embodiment makes control circuit, delay control circuit and indicating circuit form by main.Make control circuit control major loop conducting and disconnection by main by the people; Can control the major loop time-delay by delay control circuit disconnects; Can indicate any disconnection of delaying time constantly by indicating circuit.The main control circuit that makes is to connect normally closed button A like this ₁An end be connected with power input B, the other end is connected with the s point.Often open button A ₂An end be connected the other end and contactor J with the s point ₁Coil one end connect contactor J ₁The coil other end by time relay J ₂Time-delay break contact J ₂-1 is connected with power input C.Contactor J ₁Normally opened contact J ₁-3 are connected in parallel on and often open button A ₂Two ends.The primary winding L of transformer T ₁By contactor J ₁Contact J ₁-1, J ₁-2 are connected with input B, the C of 380V AC power; Delay control circuit is to connect like this, by K switch ₃, time relay J ₂Coil and contactor J ₁Normally opened contact J ₁-4 series circuits of forming, its end is connected with the s point, and the other end is connected with power input C; Indicating circuit is to connect buzzer Y and indicator light X like this ₂After the parallel connection, again with time relay J ₂Timing closing contact J ₂-2 series connection, an end of this series circuit is connected with the s point, and the other end is connected with power input C.When pressing the button A ₂The time, contact J ₁-1, J ₁-2, J ₁-3 closures, J ₁-3 are used for keeping, at this moment power supply indicator X ₁Luminous, major loop and power connection can carry out various operations.When pressing the button A ₁The time, contact J ₁-1, J ₁-2, J ₁-3 disconnect indicator light X ₁Not luminous, major loop and power supply disconnect.When needs in batches during the identical workpiece of spot welding, with K switch ₃Close, mix up time relay J ₂Delay value, workpiece is placed among the spot welding soldering turret M, make spot welding soldering turret M closure, press the button A ₂, contactor J ₁Adhesive, major loop and power connection, spot welding begins, and through behind the delay value, workpiece has been put and has been welded, time relay J ₂Action, J ₂-1 disconnects contactor J ₁Discharge, major loop and power supply disconnect, simultaneously, and J ₂-2 closures, buzzer Y sounding, indicator light X ₂Luminous, operating personnel know that spot welding finishes, and open the spot welding soldering turret then and take out workpiece, and next workpiece is put into, and repeat aforesaid operations.Like this, can increase work efficiency, guarantee point quality.

As shown in Figure 2, the rectification winding L of embodiment 2 of the present utility model ₅Has centre tap u.Rectification circuit adopts bridge rectifier Q, its input respectively with the rectification winding L ₅V end and single-pole double-throw switch (SPDT) K ₂Connect, work as K ₂Beat in winding L ₅T when end, bridge rectifier Q output direct current 24V voltage is worked as K ₂Beat in winding L ₅Centre tap u the time, bridge rectifier output direct current 12V voltage.The other parts of embodiment 2 are identical with embodiment 1.

As Fig. 3, Fig. 4, Fig. 5, shown in Figure 6, when carrying out the shaping operation of automobile case, should be with the shaping winding L ₂Output G be connected with binding post 1, then various shaping operating grips are installed in the insulating case 2, the shaping operating grip is connected conducting with binding post 1.Automobile case is connected with output H.As shown in Figure 3, when carrying out the butt-joint stretched operation, the handle 3 that at first butt-joint stretched installs in the insulating case 2, then, clamp the weld tabs 4 that has aperture 5 with butt-joint stretching handle 3 front end jaws, the sunk part one of this weld tabs 4 to shell 6 bumped, and weld tabs 4 is soldered on the shell 6 under the effect of big electric current.Remove butt-joint stretching handle, hook aperture 5 on the weld tabs 4, firmly upwards pull out shell 6 is restored to the original state with hook.As shown in Figure 4, when carrying out the melting welding operation, at first melting welding operating grip 7 is installed in the insulating case 2, then the round end of melting welding operating grip 7 front ends is contacted the bossing of automobile case 8, under the effect of big electric current, it is red that the bossing of shell 8 is heated burning very soon, remove the melting welding operating grip, sprinkle rapidly to being burnt on the red shell 8 with cold water, bossing sharply cools off contraction, after so several times operation, the bossing of shell 8 will return to original shape.When needs on automobile case during soldering, as shown in Figure 5, thin plate spot welding handle 9 is installed in the insulating case 2, thin plate 11 is put on the part of automobile case breakage, on 10 pads of choosing to each in tip with thin plate spot welding handle 9, thin plate 11 is just spoted weld on the shell then.When needs cut thin plate, as shown in Figure 6, thin plate is cut handle 12 install in the insulating case 2, tip 13 contact sheets 14 that then thin plate cut handle 12 also slowly move, and under the effect of big electric current, thin plate 14 is melted incision.

Claims

1, a kind of auto repair multiple purpose aeroplane, its transformer T is by primary winding L ₁, auxiliary winding and iron core form primary winding L ₁Have some taps, by change over switch K ₁Each tap of conversion is characterized in that, primary winding L ₁And control conducting and disconnection by control loop between the AC power; Auxiliary winding is by the shaping winding L ₂Form the shaping winding L with the rectification winding ₂Output LOW voltage, big electric current, its output G, H is connected with spot welding soldering turret M with the shaping handle; The rectification winding has many taps, by change over switch K ₂Be connected with rectification circuit, the output of rectification circuit is connected with automobile start terminal, charge in batteries terminal or electronic arc welding soldering turret.

2, according to the described a kind of auto repair multiple purpose aeroplane of claim 1, it is characterized in that described rectification winding is by the winding L of equal turn numbers ₃And winding L ₄Form winding L ₃And winding L ₄Have centre tap q and m respectively, winding L ₄L end and winding L ₃P end be homopolar end, winding L ₄N end and winding L ₃R end be homopolar end; Rectification circuit is by diode D ₁, D ₂The full-wave rectifying circuit of forming, l end and r are held respectively and diode D ₁Negative pole and diode D ₂Negative pole connect diode D ₁, D ₂Positive pole connect together as the output head anode D of rectification circuit, the negative pole of output end F of rectification circuit is by double-point double-throw switch K ₂With winding L ₃And L ₄Other tap connect, as double-point double-throw switch K ₂Beat when n end and p end, output direct current 24V voltage is as double-point double-throw switch K ₂Beat when m end and q end output direct current 12V voltage, sustained diode ₃Be connected in parallel on the output of full-wave rectifying circuit.

3, according to the described a kind of auto repair multiple purpose aeroplane of claim 1, it is characterized in that described rectification winding is by winding L ₅Form winding L ₅Two ends be respectively t and v, and have centre tap u; Rectification circuit is bridge rectifier Q, and its input is held and single-pole double-throw switch (SPDT) K with v respectively ₂Connect, work as K ₂Beat when t holds, bridge rectifier Q output direct current 24V voltage is worked as K ₂Beat when u holds bridge rectifier output direct current 12V voltage.

According to claim 1,2 or 3 described a kind of auto repair multiple purpose aeroplanes, it is characterized in that 4, described shaping handle is butt-joint stretching handle, melting welding handle, thin plate spot welding handle or thin plate cutting handle.

5, according to the described a kind of auto repair multiple purpose aeroplane of claim 4, it is characterized in that described charge in batteries terminal has shunt L, is connected to ammeter A on the shunt L.

According to the described a kind of auto repair multiple purpose aeroplane of claim 5, it is characterized in that 6, described control loop makes control circuit, delay control circuit and indicating circuit form by main, make control circuit can control the conducting and the disconnection of major loop by the people by main; Can control the major loop time-delay by delay control circuit disconnects; Can indicate any disconnection of delaying time constantly by indicating circuit.

According to the described a kind of auto repair multiple purpose aeroplane of claim 6, it is characterized in that 7, described master makes that control circuit is to connect so normally closed button A ₁An end be connected with power input B, the other end is connected with the s point, often opens button A ₂An end be connected the other end and contactor J with the s point ₁Coil one end connect contactor J ₁The coil other end by time relay J ₂Time-delay break contact J ₂-1 is connected contactor J with power input C ₁Normally opened contact J ₁-3 are connected in parallel on and often open button A ₂Two ends; The primary winding L of transformer T ₁By contactor J ₁Normally opened contact J ₁-1, J ₁-2 are connected with ac power input end B, C.

According to the described a kind of auto repair multiple purpose aeroplane of claim 7, it is characterized in that 8, described delay control circuit is to connect like this, by K switch ₃, time relay J ₂Coil and contactor J ₁Normally opened contact J ₁-4 series circuits of forming, its end is connected with the s point, and the other end is connected with power input C.

9, described according to Claim 8 a kind of auto repair multiple purpose aeroplane is characterized in that, described indicating circuit is to connect like this, by time relay J ₂Timing closing contact J ₂-2 and the series circuit formed of buzzer r, its end is connected with the s point, and the other end is connected with power input C.

10, described according to Claim 8 a kind of auto repair multiple purpose aeroplane is characterized in that, described indicating circuit is to connect like this, by time relay J ₂Timing closing contact J ₂-2 and indicator light X ₂The series circuit of forming, its end is connected with the s point, and the other end is connected with power input C.