CN106429831B - Traction machine and the top lifting device for using it - Google Patents
Traction machine and the top lifting device for using it Download PDFInfo
- Publication number
- CN106429831B CN106429831B CN201610564636.8A CN201610564636A CN106429831B CN 106429831 B CN106429831 B CN 106429831B CN 201610564636 A CN201610564636 A CN 201610564636A CN 106429831 B CN106429831 B CN 106429831B
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- CN
- China
- Prior art keywords
- traction
- brake
- traction machine
- unloading
- mode
- 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.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C11/00—Trolleys or crabs, e.g. operating above runways
- B66C11/16—Rope, cable, or chain drives for trolleys; Combinations of such drives with hoisting gear
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C13/00—Other constructional features or details
- B66C13/16—Applications of indicating, registering, or weighing devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C13/00—Other constructional features or details
- B66C13/18—Control systems or devices
- B66C13/40—Applications of devices for transmitting control pulses; Applications of remote control devices
- B66C13/44—Electrical transmitters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C15/00—Safety gear
- B66C15/06—Arrangements or use of warning devices
- B66C15/065—Arrangements or use of warning devices electrical
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Automation & Control Theory (AREA)
- Control And Safety Of Cranes (AREA)
Abstract
The present invention provides a kind of traction machine that the traction machine to break down can be made to act without using special device, safely decline hoisted load.It is a kind of that hoist cable that being equipped with suspension hook is rolled to using hoisting motor/the traction machine of backrush characterized by comprising to detect the encoder of the revolving speed of above-mentioned hoisting motor；Apply the traction brake of braking to above-mentioned hoisting motor；Processing unit is controlled with the brake for controlling above-mentioned traction brake, above-mentioned brake control processing unit, based on the revolving speed of the hoisting motor detected by above-mentioned encoder, controls above-mentioned traction brake in the unloading mode that control unit breaks down.
Description
Technical field
The present invention relates to the Unloading Technologies when control unit failure of traction machine.
Background technique と
Thus traction machine (crane) makes to be installed on suspension hook using having the traction of motor to go up and down hoist cable with device
Cargo moves up and down.When the control unit in traction machine breaks down, hoisted load lifting operation cannot be made, need that lotus will be hung
Load unloads.
As the background technique of the art, there is Japanese Unexamined Patent Publication 2006-273547 bulletin (patent document 1).At this
Following technology is recorded in bulletin: " in crane failure, coming from traction with what is taken out from crane side controller to outside
The connector that motor/brake is connected with the branch line of traveling motor/brake main operation circuit, connection include having
The coupler of the operating device of the failure crane of the auxiliary operation circuit of the control section of traction, the traveling of crane is controlled,
Via the connection circuit by failure crane described in plant-grid connection, failure can be re-operated by crane operation operation panel
Crane." (referring to abstract).
In addition, there is Japanese Unexamined Patent Publication 10-316377 bulletin (patent document 2).Following skill is recorded in the bulletin
Art: " by the brake shaft linked with the rotary shaft of main motor via clutch section and dead slow speed side reduction part and dead slow speed motor
Rotary shaft connection, in the extension mounting knob for being set to rotary shaft, resist and rotary shaft braked when failure occurs
The braking moment of brake part, forcibly rotates rotary shaft." (referring to abstract).
Existing technical literature
Patent document
Patent document 1: Japanese Unexamined Patent Publication 2006-273547 bulletin
Patent document 2: Japanese Unexamined Patent Publication 10-316377 bulletin
Summary of the invention
The invention technical task to be solved
When the control unit of traction machine breaks down, lifting operation not can be carried out.If when failure being the state for playing cargo,
Danger close when then repairing, it is therefore desirable to unload hoisted load.
In order to solve this problem, countermeasure when control unit failure as traction machine, such as in patent document 1, in advance
The structure of other control panel can simply be linked in the control panel setting of control crane, when control panel failure, connection is another
Outer control panel acts the crane of failure.
In addition, in patent document 2, by the way that the handle for rotating the rotary shaft of motor manually is arranged, in failure
When so that above-mentioned handle is rotated and is able to carry out unloading.
In order to act the traction machine of failure, need setting that can simply connect in above patent document 1 other
The structure of control panel and other control panel is set, in addition, needing to be arranged in above patent document 2 electronic for making manually
The handle of the rotary shaft rotation of machine.
In addition, in either one or two of above patent document 1,2, in order to be unloaded, it is required to operator and is raised to be provided with
The top of the factory of traction machine.
The object of the present invention is to provide one kind not to need special device, it will be able to act the traction machine of failure, pacify
The traction machine for entirely unloading hoisted load.
For solving the technical solution of technical task
In order to solve the above problems, the structure recorded for example, by using claims.
The application includes being able to solve multiple technical solutions of above-mentioned technical task, and under enumerating one for example, one kind passes through
Hoisting motor makes the hoist cable for being equipped with suspension hook roll the/traction machine of backrush characterized by comprising detects above-mentioned traction electricity
The encoder of the revolving speed of motivation；Apply the traction brake of braking to above-mentioned hoisting motor；With the above-mentioned traction brake of control
Brake control processing unit, above-mentioned brake control processing unit is based in the unloading mode that control unit breaks down by upper
The revolving speed for stating the hoisting motor that encoder detects controls above-mentioned traction brake.
Invention effect
In accordance with the invention it is possible to provide it is a kind of the traction machine of failure can be made to act without using special device, safety
The traction machine that ground unloads hoisted load.It is raised to top in addition, also not needing operator when failure and operates.
Project, structure and effect other than above content, can be definitely by the explanation of the following embodiments and the accompanying drawings.
Detailed description of the invention
Fig. 1 is the integrally-built perspective view of lifting device at the top of the converter type for indicating embodiment.
Fig. 2 is the block diagram of the structure of the major part of lifting device at the top of the converter type for indicating embodiment.
Fig. 3 is the block diagram for indicating the structure of Unloading Control of embodiment.
Fig. 4 is the figure of the structure of the brake control in the traction/row inverter control unit for indicate Fig. 3.
Fig. 5 is an example for indicating the flow chart of execution judgement processing of Unloading Control.
Fig. 6 is the figure for indicating the operation input device of the processing for carrying out Fig. 5.
Fig. 7 is the flow chart of brake control processing when indicating unloading.
Description of symbols
1: suspension hook
2: hoist cable
3: traction induction conductivity
4: traction device
5: row induction conductivity
6: row device
7: row truss
8: traveling induction conductivity
9: device is used in traveling
10: truss is used in traveling
11: traction/row DC-to-AC converter
12: traction/row inverter control unit
13: operation input device
14: traction inverter
15: row inverter
16: induction conductivity brake
17: encoder
18: DC-to-AC converter is used in traveling
19: traveling inverter control unit
20: inverter is used in traveling
41: the brake of normal mode controls processing unit
42: the brake of unloading mode controls processing unit
43: operation input detection processing portion
44: usually/unloading mode hand-off process portion
Specific embodiment
Attached drawing used below is illustrated the embodiment of the present invention.
Fig. 1 is the integrally-built perspective view of lifting device at the top of the converter type for indicating the present embodiment.
Lifting device includes suspension hook 1, hoist cable 2, traction induction conductivity 3, traction device 4, row at the top of converter type
Induction conductivity 5, row device 6, row truss 7, traveling induction conductivity 8, traveling device 9, traveling truss 10,
Traction/row DC-to-AC converter (referred to as main control unit.) 11, operation input device 13 and advance use DC-to-AC converter 18.
Lifting device utilizes the traction device 4 with traction induction conductivity 3 to go up and down hoist cable 2 at the top of converter type,
Indicate the cargo being mounted on suspension hook 1 (with the arrow of Z-direction, -Z direction in Z-direction.) i.e. upper and lower moves up.
In addition, (being indicated with the arrow of X-direction, -X direction in X-direction.) on (transverse direction), row induction conductivity 5 rotates, and makes to be in
Row is moved along row with truss 7 in the X direction with the wheel of device 6.In addition, in the Y direction (with Y-direction, -Y direction
Arrow indicates.) on (front-rear direction), traveling induction conductivity 8 rotates, and uses the wheel in traveling device 9 along advancing
Truss 10 moves in the Y direction.
Fig. 2 is the block diagram for indicating the structure of the major part of lifting device at the top of converter type.
Traction induction conductivity 3 and row induction conductivity 5 are draged by being accommodated in traction/row DC-to-AC converter 11
Draw/row inverter control unit 12 controls.That is, when operator inputs regulation instruction from operation input device 13, traction/cross
Row inverter control unit 12 controls traction inverter 14 and row inverter 15, from traction inverter 14 and row with inverse
Become device 15 and apply frequency, voltage, electric current required for control to traction induction conductivity 3 and row induction conductivity 5, while is right
Induction conductivity is released the control with brake 16, and as a result, when for traction device 4, the cargo for being installed on suspension hook 1 will not
It falls but moves in z-direction.In addition, making traction device 4 along row truss 7 in X when for row device 6
It is moved on direction.
In addition, traction/row inverter control unit 12 is taken into the information of the encoder 17 of the revolving speed of detection motor, it will be electric
The information of motivation revolving speed is used for the control of traction inverter 14.
Similarly, it is installed on the traveling induction conductivity 8 of traveling device 9, it is defeated from operation input device 13 in operator
When entering regulation instruction, the traveling inverter control unit 19 for being accommodated in traveling DC-to-AC converter 18 controls traveling inverter 20,
Apply frequency, voltage, electric current required for controlling from traveling 20 pairs of traveling induction conductivities 8 of inverter, while to induced electricity
Motivation is released the control with brake 16, moves traction in the Y direction along traveling with truss 10 with device 4.
Unloading structure when by Fig. 3~Fig. 7 to the control unit failure of the present embodiment is illustrated.
Fig. 3 is the block diagram for indicating Unloading Control structure.
Traction/row inverter control unit 12 is equipped with microcomputer, when detecting traction inverter 14, traction motor
3 or traction/row inverter control unit 12 itself exception when, to unloading mode shift.Here, the transfer to unloading mode,
Such as implemented by the clock interrupt processing of traction/row inverter control unit 12 microcomputer.
Indicate that Unloading Control executes an example of the flow chart of judgement processing in Fig. 5.In addition, indicating in Fig. 6 for Fig. 5's
An example for the operation input device that process is shifted to unloading mode.Operation input device 13 is acted for lifting device at the top of making,
The on or off button of on or off with progress power supply, the upper lower button for making suspension hook or more, the thing for keeping traction machine mobile
Button and north and south button.The process of Fig. 5 is, in the operation input device 13 of Fig. 6, operate and carries out power remove
Operation is shifted later when carrying out power supply connection operation to unloading mode.
Firstly, whether confirmation is unloading mode (S101) now, if not unloading mode, then unloading label is carried out really
Recognize (S102).Then, if unloading is labeled as 0, it is confirmed whether (S103) in the detection in traction exception, if abnormality detection
In, then confirm that down operation inputs (S104).Then, if there is up or down operation input, confirm power remove operation input
(Sl05), if there is power remove operation, unloading label is set to 1 (S106).By the way that unloading label is set to said sequence
1, when unloading is labeled as 1 (S102), confirm power supply connection operation (S107), if there is power supply connection operation, to unloading mode
It shifts (S108).
Because can be shifted with said sequence to unloading mode, due to being in traction abnormality detection without active
When making, it is able to carry out and operates and carry out dump operation, it later can be to unloading mould as long as carrying out power supply connection operation
Formula transfer.
It is that when unloading mode detects power supply opening operation in the rear method returned to normal mode such as unloading in Fig. 5
When (S109), terminate unloading mode, to normal mode shift (S110).
In addition, Fig. 5,6 example in, the combination of specific operation button and to by way of unloading mode transfer
It constitutes, but also can be set as the combination of other operation buttons or also can be set dedicated for what is shifted to unloading mode
Operation button.
Herein, if it is transferred to the confirmation of unloading mode, it can be existing by being exported from traction/row inverter control unit 12
Operation mode, such as make lamp etc. and light or issue alarm with buzzer etc. and confirmed.
After being transferred to unloading mode, when detecting the operation signal in downward direction from operation input device 13, drag
Draw/row inverter control unit 12 by discharging the brake 16 of traction induction conductivity 3 carries out the unloading of hoisted load.This
When, traction/row inverter control unit 12 indicates release/braking of brake 16, surpasses the revolving speed of traction induction conductivity 3 not
Cross certain value.
It is represented in Fig. 4 the structure of the brake control in traction/row inverter control unit 12 of Fig. 3.With usual mould
The brake control processing unit 41 of formula and the brake of unloading mode control processing unit 42, are examined by operation input detection processing portion 43
The operation for surveying operation input device 13, based on being the operation input information for being in unloading mode in normal mode, by leading to
Often/unloading mode hand-off process portion 44 switches the brake control of the brake control processing unit 41 and unloading mode of normal mode
Processing unit 42.In addition, controlling traction system based on traction inverter output frequency in the brake processing unit 41 of normal mode
Dynamic device 16, in addition, controlling traction braking based on hoisting motor revolving speed in the brake control processing unit 42 of unloading mode
Device 16.
In Fig. 3, when discharging traction brake 16, because of the weight of hoisted load, self weight, suspension hook 1 is fallen downwards.?
When releasing traction brake 16, traction is confirmed according to the signal from the encoder 17 directly linked with traction motor 3
With the revolving speed of motor, release/braking of traction brake 16 is carried out, its revolving speed is made to be no more than certain value such as 500rpm.
By implementing brake control with the revolving speed of motor 3 based on traction, can be unloaded with the speed of safety.
In addition, in the example in figure 3, being controlled in a manner of not making the revolving speed of traction motor be more than certain value
System, but can also continuously control brake so that the revolving speed of traction motor is defined revolving speed.
The flow chart of brake control processing when unloading is indicated in Fig. 7.Fig. 7 is in the process of Fig. 5, when there is lower operation
The figure of Shi Jinhang Unloading Control.
Firstly, discriminating whether in step 201 in unloading mode, in the case where being unloading mode, differentiate in step 202
Whether there is lower operation, in the case where there is lower operation, carries out releasing the control for traction brake in step 204.At this point, in step
203, the revolving speed of motor is to carry out releasing the control for traction brake, but be more than in such as 500rpm situation below
In the case where 500rpm, the traction brake control of step 205 is carried out.
In addition, carrying out common brake control processing (open and close control) in step 206 in the case where for normal mode.
According to the present embodiment, when the work of i.e. control unit not can be carried out when an exception is detected, does not need operator and be raised to
Top is operated.Moreover, if it is common inverter crane, then traction/row inverter control unit 12, encoder 17
It is the carrying of standard, therefore need not uses special device that the traction machine to break down can be made to act, so as to safety
Ground declines hoisted load.
Claims (8)
1. the hoist cable for being equipped with suspension hook is rolled/backrush using hoisting motor by a kind of traction machine, the feature of the traction machine exists
In, comprising:
Detect the encoder of the revolving speed of the hoisting motor；
Apply the traction brake of braking to the hoisting motor；With
The brake control processing unit of the traction brake is controlled,
Brake control processing unit has following two brake controls processing: the revolving speed based on the hoisting motor come
Control the brake control processing of the unloading mode of the traction brake；With the output frequency control based on traction inverter
The brake control of the normal mode of the traction brake is handled, according to the normal mode or unloading inputted from operation inputting part
Mode switches described two brake control processing,
The brake controls processing unit in the unloading mode that control unit breaks down, and is in the revolving speed of the hoisting motor
The traction brake is discharged when below egulation rotating speed, is draged when the revolving speed of the hoisting motor is more than egulation rotating speed to described
Draw brake and applies braking.
2. traction machine according to claim 1, it is characterised in that:
The operation inputting part includes the on-off button of on-off for carrying out power supply, upper and lower pressing of making that suspension hook moves up and down
Button, the thing button and north and south button for keeping traction machine mobile input normal mode and unloading by the combination operation of the button
Mode.
3. traction machine according to claim 1, it is characterised in that:
When detecting the exception of the hoisting motor, traction inverter or traction inverter control unit to the unloading
Mode shifts.
4. traction machine according to claim 1, it is characterised in that:
The hoisting motor carries out inverter control in normal mode.
5. traction machine according to claim 1, it is characterised in that:
With the mechanism for returning to usual operation mode from unloading mode.
6. traction machine according to claim 1, it is characterised in that:
Mechanism with the state for being output to the outside the operation modes such as unloading mode.
7. traction machine according to claim 6, it is characterised in that:
The mechanism for being output to the outside the state of the operation mode is lamp or alarm generation mechanism.
8. a kind of top lifting device, it is characterised in that:
Use traction machine described in any one of claim 1~7.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2015157424A JP6556551B2 (en) | 2015-08-07 | 2015-08-07 | Hoisting machine and overhead crane apparatus using the same |
| JP2015-157424 | 2015-08-07 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106429831A CN106429831A (en) | 2017-02-22 |
| CN106429831B true CN106429831B (en) | 2019-07-16 |
Family
ID=58048096
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610564636.8A Active CN106429831B (en) | 2015-08-07 | 2016-07-18 | Traction machine and the top lifting device for using it |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP6556551B2 (en) |
| CN (1) | CN106429831B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113682972B (en) * | 2020-03-06 | 2023-09-08 | 杭州国电大力机电工程有限公司 | Control method for hook slipping prevention protection of cable machine lifting mechanism and cable machine |
| CN112141900A (en) * | 2020-09-10 | 2020-12-29 | 张家港宏昌钢板有限公司 | System and method for monitoring faults of molten iron desulphurization equipment in real time |
| CN112374404B (en) * | 2021-01-18 | 2021-04-02 | 河南巨人起重机集团有限公司 | Unattended intelligent crane |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2619920Y (en) * | 2003-04-21 | 2004-06-09 | 胡晓林 | Crane stall protector |
| CN200978188Y (en) * | 2006-08-18 | 2007-11-21 | 上海三一科技有限公司 | Engine negative torsional moment controlling device in enclosed hydraulic circuit crane |
| CN101792089A (en) * | 2010-03-23 | 2010-08-04 | 上海能港电气工程科技有限公司 | Protection switching device for lost control of crane and related control method |
| JP4783578B2 (en) * | 2005-03-30 | 2011-09-28 | Ｊｆｅメカニカル株式会社 | Fault hoist operation system and repair method |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59124690A (en) * | 1982-12-27 | 1984-07-18 | 日立機電工業株式会社 | Method of controlling vertical motion of winding of movable travelling body |
| JPS60153396A (en) * | 1984-01-20 | 1985-08-12 | 株式会社 タダノ | Limiter for free rate of fall of hung load in hydraulic driving winch for crane |
| JPH027289U (en) * | 1988-06-29 | 1990-01-18 | ||
| JP2588653B2 (en) * | 1991-08-30 | 1997-03-05 | 三菱電機株式会社 | Variable speed hoist |
| JPH0769582A (en) * | 1993-09-03 | 1995-03-14 | Hitachi Ltd | Electric hoist with emergency brake releasing device |
| JPH0820494A (en) * | 1994-07-07 | 1996-01-23 | Meidensha Corp | Inverter hoist |
| JPH10316377A (en) * | 1997-05-22 | 1998-12-02 | Meidensha Corp | Emergency lifting down device |
| JP2004026326A (en) * | 2002-06-21 | 2004-01-29 | Hitachi Home & Life Solutions Inc | Brake releasing device at power failure in electric hoisting machine |
| JP5312867B2 (en) * | 2008-07-30 | 2013-10-09 | 株式会社キトー | Electric winding device |
-
2015
- 2015-08-07 JP JP2015157424A patent/JP6556551B2/en active Active
-
2016
- 2016-07-18 CN CN201610564636.8A patent/CN106429831B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2619920Y (en) * | 2003-04-21 | 2004-06-09 | 胡晓林 | Crane stall protector |
| JP4783578B2 (en) * | 2005-03-30 | 2011-09-28 | Ｊｆｅメカニカル株式会社 | Fault hoist operation system and repair method |
| CN200978188Y (en) * | 2006-08-18 | 2007-11-21 | 上海三一科技有限公司 | Engine negative torsional moment controlling device in enclosed hydraulic circuit crane |
| CN101792089A (en) * | 2010-03-23 | 2010-08-04 | 上海能港电气工程科技有限公司 | Protection switching device for lost control of crane and related control method |
Also Published As
| Publication number | Publication date |
|---|---|
| JP6556551B2 (en) | 2019-08-07 |
| JP2017036110A (en) | 2017-02-16 |
| CN106429831A (en) | 2017-02-22 |
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