CN106698254B - Brake removing device of electric-drive scissor-type lifting working platform - Google Patents
Brake removing device of electric-drive scissor-type lifting working platform Download PDFInfo
- Publication number
- CN106698254B CN106698254B CN201710225155.9A CN201710225155A CN106698254B CN 106698254 B CN106698254 B CN 106698254B CN 201710225155 A CN201710225155 A CN 201710225155A CN 106698254 B CN106698254 B CN 106698254B
- Authority
- CN
- China
- Prior art keywords
- brake
- branch
- loop
- power supply
- respectively connected
- 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.)
- Active
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
- B66F7/06—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported by levers for vertical movement
- B66F7/065—Scissor linkages, i.e. X-configuration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
- B66F7/28—Constructional details, e.g. end stops, pivoting supporting members, sliding runners adjustable to load dimensions
Abstract
An electric drive scissor type lifting working platform brake release device comprises a power supply, wherein the positive pole and the negative pole of the power supply are respectively connected with a motor control mechanism through leads, the motor control mechanism is connected with a PCU (Power control Unit), the PCU is connected with an ECU (electronic control Unit), the ECU is respectively connected with a right brake branch, a brake output branch, a left brake branch and a ground wire, the right brake branch and the left brake branch are respectively connected with a first circuit through a resistor, the end part of the first circuit is connected with a circuit between the motor control mechanism and the PCU, one end of a second circuit is connected with the ground wire, and the other end of the second circuit is connected with the negative pole of the power supply; one end of the third loop is connected with the positive electrode of the power supply, one end of the third loop is connected with the ground wire, an emergency brake release switch is sequentially arranged on the third loop, a brake release branch is arranged on the third loop, and the brake release branch is respectively connected with the first brake coil, the second brake coil, the left brake branch and the right brake branch. The device can conveniently and quickly release the brake under the condition of low voltage of the whole machine, and greatly improves the use efficiency of the whole machine.
Description
The technical field is as follows:
the invention relates to an electric-drive scissor-type lifting working platform brake release device.
Background art:
the braking device of the electric-drive scissor-type lifting operation platform on the current market and the driving motor are of an integrated structure, braking is relieved when the driving motor rotates, and otherwise, braking is realized by the motor. The principle of brake release is that an enable key is turned on, a forward key or a backward key on a handle is pressed, a brake coil is in an electrified state, so that an axial force is generated to separate a brake spring from a brake disc, and the brake is released. According to the principle, the electric-drive scissor-type lifting operation platform can realize the function of brake release, and the brake can be released only when the voltage of the whole machine meets the walking function. However, when the whole machine is in a condition that the whole machine cannot walk or is in a low-voltage state in the operation working area, the whole machine often cannot be charged in the operation working area, and the whole machine needs to be moved to a specified charging area in order to meet the use requirement of the whole machine, which brings inconvenience. The prior art has no solution to this problem.
The invention content is as follows:
the invention aims to overcome the defects in the prior art, and provides the brake releasing device for the electrically-driven scissor-type lifting working platform, which can conveniently and quickly release the brake under the condition of low voltage of the whole machine, greatly improve the use efficiency of the whole machine and solve the problems in the prior art.
The technical scheme adopted by the invention for solving the technical problems is as follows:
an electric-driven scissor-type lifting working platform brake release device comprises a power supply, wherein the positive and negative poles of the power supply are respectively
The motor control mechanism is connected with the PCU through a lead, the PCU is connected with the ECU, the ECU is respectively connected with a right brake branch, a brake output branch, a left brake branch and a ground wire, the right brake branch and the left brake branch are respectively connected with a first circuit through a resistor, the end part of the first circuit is connected with a circuit between the motor control mechanism and the PCU, the brake output branch is respectively connected with a first brake coil, a second brake coil, the left brake branch and the right brake branch, the other ends of the first brake coil and the second brake coil are connected with a second circuit, one end of the second circuit is connected with the ground wire, and the other end of the second circuit is connected with the negative electrode of a power supply; one end of the third loop is connected with the positive electrode of the power supply, one end of the third loop is connected with the ground wire, an emergency brake release switch is sequentially arranged on the third loop, a brake release branch is arranged on the third loop, and the brake release branch is respectively connected with the first brake coil, the second brake coil, the left brake branch and the right brake branch.
Preferably, a buzzer is further arranged on the third loop.
Preferably, a first flow guide branch and a second flow guide branch are further arranged, one end of the first flow guide branch is connected with the third loop, the other end of the first flow guide branch is connected with the second loop, the middle part of the first flow guide branch is respectively connected with the tail ends of the right brake branch and the brake output branch, one end connected with the third loop is provided with a diode with a conduction direction back to the third loop, and one end connected with the second loop is provided with a diode with a conduction direction back to the second loop; one end of the second flow guide branch is connected with the third loop, the other end of the second flow guide branch is connected with the second loop, the middle of the second flow guide branch is respectively connected with the tail ends of the left brake branch and the brake output branch, a diode with the conduction direction back to the third loop is arranged at the end connected with the third loop, and a diode with the conduction direction back to the second loop is arranged at the end connected with the second loop.
Compared with the prior art, the invention has the advantages that: by arranging the third loop, the power of the whole machine is reduced
The brake can be conveniently and quickly released under the condition of pressure; through setting up bee calling organ for the external world knows the complete machine and is in the state of separating the brake, thereby avoids appearing the incident and guarantees to reach the effect of protection personal safety.
Description of the drawings:
FIG. 1 is a schematic diagram of the present invention.
In the figure, 1, a power supply, 2, a motor control mechanism, 3, PCU,4, ECU,5, a right brake branch, 6, a brake output branch, 7, a left brake branch, 8, a first loop, 9, a first brake coil, 10, a second brake coil, 11, a second loop, 12, a ground wire, 13, a third loop, 14, an emergency brake release switch, 15, a brake release branch, 16, a buzzer, 17, a first diversion branch, 18, a second diversion branch, 19 and a diode.
The specific implementation mode is as follows:
in order to clearly illustrate the technical features of the present solution, the following description, with reference to the accompanying drawings,
the present invention will be described in detail.
As shown in figure 1, the electric drive scissor type lifting working platform brake release device comprises a power supply 1, wherein the positive pole and the negative pole of the power supply 1 are respectively connected with a motor control mechanism 2 through leads, the motor control mechanism 2 is connected with a PCU3, the PCU3 is connected with an ECU4, the ECU4 is respectively connected with a right brake branch 5, a brake output branch 6, a left brake branch 7 and a ground wire 12, the right brake branch 5 and the left brake branch 7 are respectively connected with a first loop 8 through a resistor, the end part of the first loop 8 is connected with a circuit between the motor control mechanism 2 and the PCU3, the brake output branch 6 is respectively connected with a first brake coil 9, a second brake coil 10, the left brake branch 7 and the right brake branch 5, the other ends of the first brake coil 9 and the second brake coil 10 are connected with a second loop 11, one end of the second loop 11 is connected with a ground wire 12, and the other end of the second loop 11 is connected with the negative electrode of the power supply 1; third return circuit 13 one end links to each other with power 1 is anodal, and one end links to each other with ground wire 12, is equipped with promptly to separate the switch 14 on third return circuit 13 in proper order, is equipped with the branch road 15 of separating the brake on third return circuit 13, branch road 15 of separating the brake links to each other with first brake coil 9, second brake coil 10, left brake branch road 7, right brake branch road 5 respectively.
A buzzer 16 is also provided in the third circuit 13. The buzzer 16 gives an alarm to warn that the whole machine is in a brake-releasing state, so that safety accidents are avoided, and the effect of protecting personal safety is ensured.
The brake control system is also provided with a first flow guide branch 17 and a second flow guide branch 18, one end of the first flow guide branch 17 is connected with the third loop 13, the other end of the first flow guide branch is connected with the second loop 11, the middle part of the first flow guide branch 17 is respectively connected with the tail ends of the right brake branch 5 and the brake output branch 6, one end connected with the third loop 13 is provided with a diode 19 with the conduction direction back to the third loop 13, and one end connected with the second loop 11 is provided with a diode 19 with the conduction direction back to the second loop 11; one end of the second flow guide branch 18 is connected with the third loop 13, the other end of the second flow guide branch is connected with the second loop 11, the middle of the second flow guide branch 18 is respectively connected with the tail ends of the left brake branch 7 and the brake output branch 6, one end connected with the third loop 13 is provided with a diode 19 with a conduction direction back to the third loop 13, and one end connected with the second loop 11 is provided with a diode 19 with a conduction direction back to the second loop 11. The whole circuit system is simplified, and the reliability of the system is improved.
Normal voltage removes brake principle: an enable key of the PCU3 is turned on, a loop is formed by the ECU4 and the first brake coil 9, the second brake coil 10 and the second loop 11 through output, the brake coil generates induced electromotive force to generate magnetic force, the direction of the magnetic force is just opposite to the direction of the magnetic force of a magnet on a brake, and the ECU4 detects left and right brake state signals to enable the whole machine to reach a walking state;
the principle of one-key brake release and brake release is as follows: under the condition of normal or low voltage, the emergency brake release switch 14 is pressed down through the third loop 13, and one loop is formed by the third loop 13 and the second loop 11 to enable the buzzer 16 to be conducted to realize the reminding and alarming functions; the other circuit is formed by a third circuit 13 to the first brake coil 9 and the second brake coil 10 to the second circuit 11, so that the first brake coil 9 and the second brake coil 10 generate induced electromotive force to generate magnetic force, thereby releasing the brake (the circuit does not need to pass through the PCU3 and the ECU 4).
The above-described embodiments should not be construed as limiting the scope of the invention, and any alternative modifications or alterations to the embodiments of the present invention will be apparent to those skilled in the art.
The present invention is not described in detail, but is known to those skilled in the art.
Claims (3)
1. The utility model provides an electricity drives fork lift work platform and removes arresting gear which characterized in that: comprises a power supply and a power supply, wherein,
the positive pole and the negative pole of a power supply are respectively connected with a motor control mechanism through leads, the motor control mechanism is connected with a PCU, the PCU is connected with an ECU, the ECU is respectively connected with a right brake branch, a brake output branch, a left brake branch and a ground wire, the right brake branch and the left brake branch are respectively connected with a first loop through a resistor, the end part of the first loop is connected with a circuit between the motor control mechanism and the PCU, the brake output branch is respectively connected with a first brake coil, a second brake coil, the left brake branch and the right brake branch, the other ends of the first brake coil and the second brake coil are connected with a second loop, one end of the second loop is connected with the ground wire, and the other end of the second loop is connected with the negative pole of the power supply; one end of the third loop is connected with the positive electrode of the power supply, one end of the third loop is connected with the ground wire, an emergency brake release switch is sequentially arranged on the third loop, a brake release branch is arranged on the third loop, and the brake release branch is respectively connected with the first brake coil, the second brake coil, the left brake branch and the right brake branch.
2. The electric drive scissor lift platform release brake as in claim 1, wherein: and a buzzer is also arranged on the third loop.
3. The electric drive scissor lift platform release brake as in claim 1, wherein: the middle part of the first flow guide branch is respectively connected with the tail ends of the right brake branch and the brake output branch, one end connected with the third loop is provided with a diode with a conduction direction back to the third loop, and one end connected with the second loop is provided with a diode with a conduction direction back to the second loop; one end of the second flow guide branch is connected with the third loop, the other end of the second flow guide branch is connected with the second loop, the middle of the second flow guide branch is respectively connected with the tail ends of the left brake branch and the brake output branch, a diode with the conduction direction back to the third loop is arranged at the end connected with the third loop, and a diode with the conduction direction back to the second loop is arranged at the end connected with the second loop.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710225155.9A CN106698254B (en) | 2017-04-07 | 2017-04-07 | Brake removing device of electric-drive scissor-type lifting working platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710225155.9A CN106698254B (en) | 2017-04-07 | 2017-04-07 | Brake removing device of electric-drive scissor-type lifting working platform |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106698254A CN106698254A (en) | 2017-05-24 |
| CN106698254B true CN106698254B (en) | 2022-05-27 |
Family
ID=58887179
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710225155.9A Active CN106698254B (en) | 2017-04-07 | 2017-04-07 | Brake removing device of electric-drive scissor-type lifting working platform |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106698254B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201882869U (en) * | 2010-10-31 | 2011-06-29 | 湖北科伦药业有限公司 | Electric forklift controller |
| CN103097165A (en) * | 2010-03-02 | 2013-05-08 | 丰田自动车株式会社 | Vehicle with external charging |
| CN104098056A (en) * | 2014-06-05 | 2014-10-15 | 济南科亚电子科技有限公司 | Lift maintenance truck control system |
| CN206692254U (en) * | 2017-04-07 | 2017-12-01 | 临工集团济南重机有限公司 | A kind of electricity drives scissors type elevating workbench and releases brake apparatus |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4941545B2 (en) * | 2009-12-03 | 2012-05-30 | 株式会社豊田自動織機 | Hybrid industrial vehicle |
| DK3114075T3 (en) * | 2014-03-03 | 2021-09-20 | Xtreme Mfg Llc | Method and system for a lifting device control system |
-
2017
- 2017-04-07 CN CN201710225155.9A patent/CN106698254B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103097165A (en) * | 2010-03-02 | 2013-05-08 | 丰田自动车株式会社 | Vehicle with external charging |
| CN201882869U (en) * | 2010-10-31 | 2011-06-29 | 湖北科伦药业有限公司 | Electric forklift controller |
| CN104098056A (en) * | 2014-06-05 | 2014-10-15 | 济南科亚电子科技有限公司 | Lift maintenance truck control system |
| CN206692254U (en) * | 2017-04-07 | 2017-12-01 | 临工集团济南重机有限公司 | A kind of electricity drives scissors type elevating workbench and releases brake apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106698254A (en) | 2017-05-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104494463B (en) | A kind of pure electric automobile method for controlling torque | |
| WO2022105098A1 (en) | Control device for motor driver, motor driver, and aerial platform truck | |
| CN204606113U (en) | Battery-driven car electric brake control setup | |
| CN106698254B (en) | Brake removing device of electric-drive scissor-type lifting working platform | |
| CN104842978B (en) | Parking aid, motor vehicle braking system and vehicle | |
| CN205311592U (en) | Electric automobile vacuum system became invalid and assisted safety coefficient | |
| CN202953033U (en) | Electric cart | |
| CN107139897B (en) | New energy automobile's braking system, energy recuperation device, new energy automobile | |
| CN206692254U (en) | A kind of electricity drives scissors type elevating workbench and releases brake apparatus | |
| CN113370793A (en) | Steep slope slow descending system with electromagnetic brake, electric vehicle and steep slope slow descending method | |
| CN105905090B (en) | A kind of electric vacuum pump control circuit | |
| CN210327418U (en) | Power-off self-locking motor system | |
| CN203104349U (en) | Brush motor controller and electric vehicle | |
| CN208581387U (en) | A kind of lamp control system and electric vehicle | |
| CN202573845U (en) | Electromechanically associated braking electric motor tricycle | |
| CN204794543U (en) | DC motor | |
| CN205168209U (en) | Electric skateboard control system | |
| CN102332745A (en) | Reverse charging device of electric bicycle | |
| CN215751950U (en) | Steep slope descent control system with electromagnetic brake and electric vehicle | |
| CN205263276U (en) | Electric automobile precharge completion status detection device based on passive isolation | |
| CN202260591U (en) | Reverse charging device for electric bicycle | |
| CN205396399U (en) | Electric motor car turns to automatic deceleration mechanism | |
| CN203020307U (en) | Warning device used in case of not pulling hand brake of automobile | |
| CN108973778A (en) | Electric vehicle descending safety arrestment circuit system | |
| CN102582467A (en) | Controller for motor of pure electric vehicle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: No.2676 Kejia Road, high tech Zone, Jinan City, Shandong Province, 250104 Patentee after: Lingong Heavy Machinery Co.,Ltd. Address before: No.2676 Kejia Road, high tech Zone, Jinan City, Shandong Province, 250104 Patentee before: LINGONG GROUP JINAN HEAVY MACHINERY Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder |