CN2177701Y - Stepless speed regulating balance crane - Google Patents
Stepless speed regulating balance crane Download PDFInfo
- Publication number
- CN2177701Y CN2177701Y CN 93243315 CN93243315U CN2177701Y CN 2177701 Y CN2177701 Y CN 2177701Y CN 93243315 CN93243315 CN 93243315 CN 93243315 U CN93243315 U CN 93243315U CN 2177701 Y CN2177701 Y CN 2177701Y
- Authority
- CN
- China
- Prior art keywords
- frequency converter
- switch
- micro
- terminal
- button
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Jib Cranes (AREA)
Abstract
The utility model discloses a stepless speed regulating balance crane, comprising a working arm rack, a head rack body, a returning body, an upright post, a spiral lifter, a conducting slip ring, an electrically controlled device, etc. The utility model is characterized in that the electrically controlled device is composed of a microcomputer transducer and a control switch box, and the transducer is arranged on the head rack body through a support. The input and the output terminals of the electric source of the transducer are respectively connected with a three-phase electric source and the motor connecting terminal of the lifter. Control terminals are respectively connected with an ascending switch, a descending switch, a reset switch and a non-contact displacement button on the switch box. The utility model is a mechanic-electronic integration product based on a PAJ-A mechanical balancing crane, and the working arm rack is capable of returning arbitrarily and stepless speed regulating. The utility model has various protective functions of short circuits, overload, overvoltage, etc., can be started and stopped steadily, can accurately position a craned object, and can satisfy the requirements of modernized industry.
Description
The utility model belongs to the infinite speed variation balance crane of mechanization handling appliance, particularly a kind of electromechanical integration.
The mechanical type balance crane has obtained using widely in mechanization handling equipment, but along with expanding economy and scientific and technological progress, conventional balanced is hung the requirement of not satisfying the user, its lifting inertia is big, speed is single, and degree of operating steadily is relatively poor, and the workpiece that is lifted is accurately located.
The purpose of this utility model is to provide a kind of infinite speed variation balance crane of electromechanical integration; it realizes infinite speed variation by contact pointless control button, micro computer frequency converter; the work jib can make column turn round arbitrarily; have performances such as good spacing, overload and overcurrent protection, can satisfy the requirement of modernized industry.
The utility model balance crane is the improvement product that hangs (Chinese patent 92228071.1) based on PAJ-A type mechanical balance, it comprises work jib (1), head holder (2), gyro-rotor (3), column (4), adjustable force moment electric screw lifter (5), conducting slip ring (6), parts such as electrical controller, it is characterized in that: described electrical controller is made up of micro computer frequency converter (8) and master cock box (11), frequency converter (8) is fixed on the head holder (2) by bearing (7), power input terminal (the R of frequency converter (8), S, T) connect three phase mains, lead-out terminal (U, V, W) with and three-phase terminal of the motor (10) of spiral lifting device (5) join; Master cock box (11) is hung under work jib (1) by metallic hose (12), and the contact pointless displacement button (14) that is used for speed governing, rising micro-switch (15), decline micro-switch (16) and the reset micro switch (17) on the switch enclosure (11) is connected to corresponding controling end of frequency converter (8) by the cable that passes metallic hose (12).
The utility model description of drawings is as follows:
Fig. 1 is its outside drawing;
Fig. 2 is its master cock box scheme drawing;
Fig. 3 is its appliance wiring figure;
Fig. 4 is its contact pointless displacement press-button structure figure;
Fig. 5 is its contact pointless displacement button electrical schematic diagram.
Now further describe in conjunction with the accompanying drawings.Balance crane as shown in Figure 1, its work jib (1) is installed on the head holder (2), head holder (2) gyro-rotor (3) that is being connected and fixed.Gyro-rotor (3) is installed on the column (4), and drive head holder (2), work jib (1) turns round arbitrarily around column.Spiral lifting device (5) is suspended on head holder (2) lower end as hydraulic actuating cylinder, leading screw wherein connects with work jib (1) afterbody, and can move up and down along the vertical guide rail that head holder (2) upward is provided with, the suspension hook that drives work jib (1) moves up and down.Conducting slip ring (6) is installed in the joint portion of gyro-rotor (3) and column (4), takes place when preventing that balance crane from turning round arbitrarily to twine the power lead accident, simultaneously three phase mains is introduced electrical controller.9 is the cable of the band metallic hose between frequency converter (8) and motor (10) among Fig. 1.
Master cock box (11) shown in Figure 2 is hung under falsework, and contact pointless displacement button (14) is installed in it, rising micro-switch (15), decline micro-switch (16) and reset micro switch (17).
The appliance wiring of exemplary embodiments shown in Figure 3 is as follows.The PI89 Series Frequency Converter that micro computer frequency converter (8) adopts Taiwan general biography Company Limited by Shares to produce, its power input terminal (R, S, T) connects three phase mains, and lead-out terminal (U, V, W) joins with three-phase terminal of motor (5).Contact pointless displacement button (14) is connected in the control terminal (V1, V2, V3) of frequency converter (8), V1, V2 and V3 are respectively power supply 5V, incoming signal and OV end, rising micro-switch (15) is connected in the REV(motor counter-rotating of frequency converter (8)) and the CM terminal between, the FOR(motor that decline micro-switch (16) is connected in frequency converter (8) just changes) and the CM(common port) between terminal, reset micro switch (17) is connected between the RESET and CM terminal of frequency converter (8).
Above-mentioned contact pointless displacement button (14) is shown in Fig. 4,5.It comprises shell (21), be loaded on the circuit card (22) of shell (21) lower curtate, be loaded on the jar shape magnetic core (23) of the belt coil (24) at shell middle part, the push rod (27) of band button (26), button director (29), retracing spring (25) and bar shaped copper sheet (28) etc., spring (25) places in the director (29), push rod (27) passes described spring (25) and magnetic core (23) center, bar shaped copper sheet (28) is fixed on push rod (27) end, the circuit that is welded on the circuit card (22) and forms by traditional LC oscillator and frequency/voltage changer, coil (24) inserts in the LC oscillating circuit, be pressed into the increase of the degree of depth along with button (26), bar shaped copper sheet (28) moves and causes that coil (24) inductance changes, circuit output 0-5VDC control voltage.Circuit shown in Fig. 5 can be realized with JCM-X2 type electronic module, comprises a LC oscillator and a frequency/voltage changer in this module, changes inductance L, the signal of oscillator output 0-10KHz, and cooresponding frequency/voltage changer is output as 0-5VDC.
The advantage of this balance crane is as follows:
It is based on PAJ-A type mechanical type balance crane; adopt micro computer frequency converter and contact pointless displacement button etc.; realized infinite speed variation; have defencive functions such as short circuit, overheated, overload, overvoltage, under-voltage and ground connection; can be in 0-10 rice/minute scope the pulsation-free stepless change; starting and stopping steadily is by the lifting object accurate positioning.
Adopt speed reduction gearing, installation engaging and disengaging gear and spiral to pay the electronic spiral shell of the incorporate LS type of transmission device adjustable force moment and executed lifter, between its column and gyro-rotor, be provided with the conducting slip ring that to introduce electric power incoming line, compact conformation, ratio coverage is big, overload capacity is strong, and the work jib can turn round arbitrarily and not twine accident such as power lead.
The contact pointless button power consumption that it adopts is little, and output voltage is pressed into the degree of depth with it linear, does not have the machinery wearing and tearing, reliable operation, and the life-span is long.
Claims (5)
1, a kind of infinite speed variation balance crane, comprise work jib (1), head holder (2), gyro-rotor (3), column (4), adjustable force moment electric screw lifter (5), conducting slip ring (6), parts such as electrical controller, it is characterized in that: described electrical controller is made up of micro computer frequency converter (8) and master cock box (11), frequency converter (8) is fixed on the head holder (2) by bearing (7), power input terminal (the R of frequency converter (8), S, T) connect three phase mains, lead-out terminal (U, V, W) with and three-phase terminal of the motor (10) of spiral lifting device (5) join; Master cock box (11) is hung under work jib (1) by metallic hose (12), and the contact pointless displacement button (14) that is used for speed governing, rising micro-switch (15), decline micro-switch (16) and the reset micro switch (17) on the switch enclosure (11) is connected to corresponding controling end of frequency converter (8) by the cable that passes metallic hose (12).
2, according to the balance crane of claim 1, it is characterized in that: described micro computer frequency converter (8) adopts PI89 series microcomputer frequency converter.
3, according to the balance crane of claim 2, it is characterized in that: described master cock box (11) and following connection of micro computer frequency converter (8), contact pointless displacement button (14) is connected in the control terminal (V1, V2, V3) of frequency converter (8), rising micro-switch (15) is connected between the REV and CM terminal of frequency converter (8), decline micro-switch (16) is connected between the FOR and CM terminal of frequency converter (8), and reset micro switch (17) is connected between the RESET and CM terminal of frequency converter (8).
4, balance crane according to claim 1 and 2, it is characterized in that: described contact pointless displacement button (14) comprises: shell (21), the circuit card of shell lower curtate (22), the jar shape magnetic core (24) of the belt coil (23) at shell middle part, the push rod (27) of band button (26), button director (29), retracing spring (27) and bar shaped copper sheet (28) etc., spring (27) places in the director (29), push rod (27) passes described spring (27) and magnetic core (24) center, bar shaped copper sheet (28) is fixed on push rod (27) end, be welded LC oscillator and input end of circuit card (22) is connected to the frequency/voltage changer of LC oscillator output end, along with button (26) is pressed into the increase of the degree of depth, the latter exports continuous direct-current control voltage.
5, balance crane according to claim 4 is characterized in that: described contact pointless displacement button circuit adopts JCM-X2 type electronic module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 93243315 CN2177701Y (en) | 1993-10-30 | 1993-10-30 | Stepless speed regulating balance crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 93243315 CN2177701Y (en) | 1993-10-30 | 1993-10-30 | Stepless speed regulating balance crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2177701Y true CN2177701Y (en) | 1994-09-21 |
Family
ID=33816801
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 93243315 Expired - Fee Related CN2177701Y (en) | 1993-10-30 | 1993-10-30 | Stepless speed regulating balance crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2177701Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102616671A (en) * | 2012-04-06 | 2012-08-01 | 魏德让 | Hydraulic balance crane |
-
1993
- 1993-10-30 CN CN 93243315 patent/CN2177701Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102616671A (en) * | 2012-04-06 | 2012-08-01 | 魏德让 | Hydraulic balance crane |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN2177701Y (en) | Stepless speed regulating balance crane | |
| CN200987128Y (en) | High performance controllable inductive reactance AC electric motor initiating means | |
| CN1186367A (en) | Non-contact electric power distribution device | |
| CN215010101U (en) | Intelligent drawer type pressure regulating starting device | |
| CN2468650Y (en) | Computer remote controlled electric welding machine | |
| CN217984888U (en) | Control device capable of being used for upgrading and transforming traditional hoisting motor | |
| CN2127531Y (en) | Time stepless governor | |
| CN2233600Y (en) | Automatic water supply equipment controlled by proportional-integral regulator | |
| CN214429487U (en) | Centrifuge frequency conversion control system | |
| CN201156467Y (en) | Tunable reactor | |
| CN2251834Y (en) | AC-ac frequency changing starter for ac motor | |
| CN2205588Y (en) | Multifunction winder | |
| CN2284471Y (en) | 60 Hertz a. c asynchronous frequency changer | |
| CN106712584B (en) | Brushless intelligent motor soft starter | |
| CN2563831Y (en) | Magnetic control soft startor for medium and high voltage large power AC motor | |
| CN2473798Y (en) | Intelligent motor protector | |
| CN2575736Y (en) | USB and AUDIO pre-interface plate | |
| CN2462522Y (en) | Loaded voltage and capacity regulatable transformer for oil field | |
| CN2190373Y (en) | Controller for conversion of Y to star connection | |
| CN86209354U (en) | Contact voltage regulator of mutual reactance | |
| CN2447980Y (en) | Intelligent current transmission controller | |
| CN2281612Y (en) | Automatic electrolyte ignition compensating controller for motor | |
| CN2159851Y (en) | Electronic adjusting and controlling ac welder | |
| CN2240806Y (en) | Silicon controlled explosion-proof switch | |
| CN2149061Y (en) | Star-angle bidirectional automatic conversion device for three-phase motor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |