CN106672716A - Automatic speed regulating mechanism of construction hoist - Google Patents
Automatic speed regulating mechanism of construction hoist Download PDFInfo
- Publication number
- CN106672716A CN106672716A CN201710092009.3A CN201710092009A CN106672716A CN 106672716 A CN106672716 A CN 106672716A CN 201710092009 A CN201710092009 A CN 201710092009A CN 106672716 A CN106672716 A CN 106672716A
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- CN
- China
- Prior art keywords
- automatic speed
- hydraulic
- cage
- lifting
- regulation mechanism
- 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
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B1/00—Control systems of elevators in general
- B66B1/24—Control systems with regulation, i.e. with retroactive action, for influencing travelling speed, acceleration, or deceleration
- B66B1/28—Control systems with regulation, i.e. with retroactive action, for influencing travelling speed, acceleration, or deceleration electrical
Abstract
The invention discloses an automatic speed regulating mechanism of a construction hoist. The automatic speed regulating mechanism comprises a tower body, a transmission frame, a transmission device assembly, a lifting cage, a cable servo system, an electrical control system and a wall attachment supporting tool. A hydraulic oil cylinder type automatic speed regulating mechanism is arranged between the transmission frame and the lifting cage. The mechanism has the beneficial effects that the structure is simple, lifting is stable, and safety and reliability are achieved; overloading of the lifting cage can be avoided; and the lifting speed can be automatically regulated according to the load capacity of the lifting cage.
Description
Technical field
The present invention relates to building auxiliary equipment technical field, especially a kind of automatic speed regulation mechanism of building hoist.
Background technology
During construction, workmen and material are delivered by building hoist.At present, building hoist exists
During use, traditional mode of speed regulation is according to the light of delivery workmen and material by the operator of building hoist
The artificial judgment mode of weight:During underloading, building hoist speed is tuned up, and when heavily loaded, building hoist speed is slowed down, this mode
Error in judgement is easy to, security incident occurs.
The content of the invention
The technical problem solved needed for of the invention is to provide a kind of automatic speed regulation mechanism of building hoist, not only can prevent
Lifting cage overload, and can be according to lifting cage loading capacity, self-adjustable liftable speed.
The technical solution adopted for the present invention to solve the technical problems is:It includes that tower body, gear frame, actuating device are total
Into, lifting cage, cable servo system, electric control system and attached wall support tool.Set between described gear frame and lifting cage
There is a hydraulic oil cylinder type automatic speed regulation mechanism.
Described hydraulic oil cylinder type automatic speed regulation mechanism is by hanger, U-shaped hanger, at least one hydraulic cylinder, inverted U-shaped hanger, U
Shape hanger, fluid pressure line, pressure transducer are constituted.
Described hydraulic oil cylinder type automatic speed regulation mechanism is by two inverted U-shaped hangers, two hydraulic cylinders, two U-shaped hangers, liquid
Pressure pipe road, pressure transducer are constituted.
Described hydraulic cylinder is single-piston-rod hydraulic cylinder or hydraulic cylinder with double piston rods.
Described pressure transducer is hydraulic pressure sensor.
The invention has the beneficial effects as follows:Simple structure, lifting are steady, safe and reliable, not only can prevent from lifting cage overload, and
And can be according to lifting cage loading capacity, self-adjustable liftable speed.
Description of the drawings
With reference to the accompanying drawings and examples the invention will be further described.
Fig. 1 is a kind of first embodiment schematic diagram of automatic speed regulation mechanism of building hoist.
Fig. 2 is a kind of second embodiment schematic diagram of automatic speed regulation mechanism of building hoist.
1. gear frame in figure, 2. lifts cage, 3. hanger, 4.U shape hangers, 5. inverted U-shaped hanger, 6. hydraulic cylinder.
Specific embodiment
Building hoist includes tower body, gear frame 1, actuating device assembly, lifting cage 2, cable servo system, electrical control
System and attached wall support tool.Described tower body is welded into standard knot by seamless steel pipe and angle steel etc., installs with teeth on standard knot
Bar, upper and lower Ge Jie can be exchanged, and more standard is saved bolt connection and constituted, and support tool to fix with building by attached wall.Institute
The lifting cage 2 stated is made up of chassis, protection railing, four groups of leading block groups, cage door, control cabinl pulpits, is provided with protection railing
Catching device, chassis is equipped with buffer spring, and control cabinl pulpit is provided with maneuver box, and the top for lifting cage 2 is provided with support base and anti-pad
Bar.Seamless steel pipe of the lifting cage 2 on tower body transports workmen and material as vertical movement.Described gear frame 1 is steel
Structure, is provided with four groups of leading block groups on the column of steel structure body.Electric cabinet is installed on gear frame 1, is installed on top
One bracing frame and the second bracing frame and dockboard, are provided with guardrail around dockboard, between the side of gear frame 1 and dockboard building is installed
Ladder.By the upper and lower dockboard of stair, it is easy to workmen's handling standard knot and control cargo boom and maintenance.Described is detachable
Cargo boom be vertically installed at the first bracing frame pushed up by gear frame 1 and the second bracing frame system away from the one end of gear frame 1
Into bracing frame and lifting cage 2 top support base on.Described actuating device assembly is passed through respectively by two frequency conversion motors
Shaft coupling is connected with two decelerators, is connected with two gears by key on every reducer output shaft, actuating device assembly and
Press tight Roll wheel to be arranged on the column of gear frame 1, gear and engage with the tooth bar on tower body, press tight Roll to take turns and push down the tooth bar back side.Pass
Dynamic assembly of devices drive gear, spacing by the stationary rack counteracting force on tower body and Ya Jin Roll wheels, gear frame 1 is along tower body
Make vertical up-or-down movement.Using four gear driving racks and double Ya Jin Roll wheel position limiting structures so that the bearing capacity of lifting cage 2 is more
Greatly, while making tooth bar uniform force, stable drive using double variable-frequency motor drive form, vibrate little.Gear frame 1 and lifting cage 2
Between be provided with a hydraulic oil cylinder type automatic speed regulation mechanism.Electric control system is by automatically controlled on indoor power supply box, gear frame 1
Case, the maneuver box of the manipulation interior of lifting cage 2, the frequency conversion motor of actuating device assembly, hydraulic pressure sensor are constituted, and are passed through
Cable servo system connects.
In FIG, hanger 3 is welded with lifting cage 2 center line corresponding position in the steel structure body side of the bottom of gear frame 1, is hung
Ear 3 is provided with pin shaft hole.U-shaped hangers 4 is welded with the corresponding position of hanger 3 of the bottom of gear frame 1 in the lifting top center line of cage 2, it is U-shaped
Hangers 4 is provided with pin shaft hole, is connected with the pin shaft hole on the hanger 3 of the bottom of gear frame 1 by bearing pin.In the bottom of gear frame 1
Steel structure body opposite side is welded with inverted U hangers 5 with lifting cage 2 top center line corresponding position, and inverted U hangers 5 is provided with pin shaft hole.
U-shaped hangers 4 is welded with the corresponding position of inverted U hangers 5 of the bottom of gear frame 1 in the lifting top center line of cage 2, U-shaped hangers 4 is provided with
Pin shaft hole, hydraulic cylinder 6 is single-piston-rod hydraulic cylinder or hydraulic cylinder with double piston rods, by bearing pin respectively with the U that falls of the bottom of gear frame 1
Pin shaft hole on type hangers 5 and the pin shaft hole connection on the U-shaped hangers 5 at the top of lifting cage 2.Single-piston-rod hydraulic cylinder or double-piston
Its two ends of bar hydraulic cylinder are imported and exported hydraulic fluid port and are connected by fluid pressure line, are connected with hydraulic pressure sensor after parallel connection, single-piston rod
Hydraulic cylinder or hydraulic cylinder with double piston rods and fluid pressure line injection fluid.Hydraulic pressure sensor is by the change in wire and electric cabinet
Frequency speed setting controller connects, and variable-frequency speed-regulating controller is connected by wire and cable with frequency conversion motor.When the heavy duty construction of lifting cage 2
When personnel or material rise or fall, when the lifting load-carrying of cage 2 changes, hydraulic pressure sensor and electronic circuit are accurately
This change is detected, and changes one standard signal corresponding to this pressure of output, lift the different load-carrying of cage 2, pressure value
It is different.Hydraulic pressure sensor to variable-frequency speed-regulating controller, enters the standard signal output of pressure through variable-frequency speed-regulating controller
After the process of one step, frequency conversion motor is outputed signal to, frequency conversion motor adjustment output reduces the rising or falling speed of lifting cage 2 immediately.
When the underloading workmen of cage 2 is lifted or material rises or falls, hydraulic pressure sensor and electronic circuit accurately detect this
One change, and one standard signal corresponding to this pressure of output is changed, the different load-carrying of cage 2 is lifted, pressure value is different.Liquid
Pressure pressure sensor to variable-frequency speed-regulating controller, further processes the standard signal output of pressure through variable-frequency speed-regulating controller
Afterwards, frequency conversion motor is outputed signal to, frequency conversion motor adjustment output improves the rising or falling speed of lifting cage 2 immediately.When lifting cage
When 2 overload workmens or material rise or fall, hydraulic pressure sensor and electronic circuit accurately detect this change, and
One standard signal corresponding to this pressure of conversion output, lifts the different load-carrying of cage 2, and pressure value is different.Hydraulic pressure is passed
Sensor to variable-frequency speed-regulating controller, after variable-frequency speed-regulating controller is further processed, exports the standard signal output of pressure
To frequency conversion motor, frequency conversion motor adjustment output, frequency conversion motor has a power failure and brakes signal, so that the lifting non-overloading of cage 2.
In fig. 2, the steel structure body both sides in the bottom of gear frame 1 are welded with respectively inverted U-shaped with lifting cage 2 center line corresponding position
Hanger 5, inverted U-shaped hanger 5 is provided with pin shaft hole.In the lifting top center line both sides of cage 2 and the inverted U-shaped hanger 5 of the bottom of gear frame 1
Corresponding position is welded with respectively U-shaped hangers 4, and U-shaped hangers 4 is provided with pin shaft hole.Two hydraulic cylinders 6 are single-piston-rod hydraulic cylinder or dual-active
Stopper rod hydraulic cylinder, by bearing pin respectively with the pin shaft hole of the inverted U hangers 5 of the two bottom sides of gear frame 1 and lifting cage 2 top both sides
U-shaped hangers 4 pin shaft hole connection.Hydraulic fluid port difference is imported and exported at two single-piston-rod hydraulic cylinders or its two ends of hydraulic cylinder with double piston rods
Connected by fluid pressure line, be connected with hydraulic pressure sensor after parallel connection, single-piston-rod hydraulic cylinder or hydraulic cylinder with double piston rods with
Fluid pressure line injects fluid.Hydraulic pressure sensor is connected by wire with the variable-frequency speed-regulating controller in electric cabinet, becomes frequency modulation
Fast controller is connected by wire and cable with frequency conversion motor.When the heavily loaded workmen of cage 2 is lifted or material rises or falls,
Hydraulic pressure sensor and electronic circuit accurately detect this change, and change one standard corresponding to this pressure of output
Signal, lifts the different load-carrying of cage 2, and pressure value is different.Hydraulic pressure sensor is by the standard signal output of pressure to change frequency modulation
Fast controller, after variable-frequency speed-regulating controller is further processed, outputs signal to frequency conversion motor, frequency conversion motor adjustment output work
Rate, reduces the rising or falling speed of lifting cage 2 immediately.When the underloading workmen of cage 2 is lifted or material rises or falls, hydraulic pressure
Sensor and electronic circuit accurately detect this change, and change one standard signal corresponding to this pressure of output, rise
The different load-carrying of drop cage 2, pressure value is different.Hydraulic pressure sensor is by the standard signal output of pressure to variable frequency regulating speed control
Device, after variable-frequency speed-regulating controller is further processed, outputs signal to frequency conversion motor, and frequency conversion motor adjusts output, i.e.,
Shi Tigao lifts the rising or falling speed of cage 2.When the overload workmen of cage 2 is lifted or material rises or falls, hydraulic pressure sensing
Device and electronic circuit accurately detect this change, and change one standard signal corresponding to this pressure of output, lift cage 2
Different load-carryings, pressure value is different.Hydraulic pressure sensor to variable-frequency speed-regulating controller, passes through the standard signal output of pressure
After variable-frequency speed-regulating controller is further processed, frequency conversion motor is outputed signal to, frequency conversion motor adjustment output, frequency conversion motor stops
Electric brake, so that the lifting non-overloading of cage 2.
Claims (5)
1. a kind of automatic speed regulation mechanism of building hoist, it includes tower body, gear frame(1), actuating device assembly, lifting cage
(2), cable servo system, electric control system and attached wall support tool, it is characterised in that:Gear frame(1)With lifting cage(2)It
Between be provided with a hydraulic oil cylinder type automatic speed regulation mechanism.
2. the automatic speed regulation mechanism of a kind of building hoist according to claim 1, it is characterised in that:Hydraulic oil cylinder type is certainly
Dynamic speed adjusting gear is by hanger(3), U-shaped hanger(4), at least one hydraulic cylinder(6), inverted U-shaped hanger(5), U-shaped hanger(4), hydraulic pressure
Pipeline, pressure transducer are constituted.
3. the automatic speed regulation mechanism of a kind of building hoist according to claim 1, it is characterised in that:Hydraulic oil cylinder type is certainly
Dynamic speed adjusting gear is by two inverted U-shaped hangers(5), two hydraulic cylinders(6), two U-shaped hangers(4), fluid pressure line, pressure transducer
Constituted.
4. the automatic speed regulation mechanism of a kind of building hoist according to Claims 2 or 3, it is characterised in that:Hydraulic cylinder(6)
For single-piston-rod hydraulic cylinder or hydraulic cylinder with double piston rods.
5. the automatic speed regulation mechanism of a kind of building hoist according to Claims 2 or 3, it is characterised in that:Pressure sensing
Device is hydraulic pressure sensor.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201611063762 | 2016-11-28 | ||
CN2016110637621 | 2016-11-28 |
Publications (1)
Publication Number | Publication Date |
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CN106672716A true CN106672716A (en) | 2017-05-17 |
Family
ID=58862644
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201710092009.3A Pending CN106672716A (en) | 2016-11-28 | 2017-02-21 | Automatic speed regulating mechanism of construction hoist |
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CN (1) | CN106672716A (en) |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2013182209A1 (en) * | 2012-06-05 | 2013-12-12 | Soliman Mohamed Abdel Hameed Abdel Alleem Mohamed | Advanced roped hydraulic elevator with and without counterweight for all heights and speeds. |
CN204096842U (en) * | 2014-09-23 | 2015-01-14 | 常熟理工学院 | A kind of composite flooding hydraulic elevator system |
CN204474077U (en) * | 2015-02-13 | 2015-07-15 | 南宁劲频机电有限公司 | A kind of link-type equalizing gear of building hoist |
CN204474108U (en) * | 2015-02-13 | 2015-07-15 | 南宁劲频机电有限公司 | A kind of steel wire rope type equalizing gear of building hoist |
CN204549724U (en) * | 2015-03-26 | 2015-08-12 | 南宁泰进铝合金加工有限公司 | A kind of derrick type bindiny mechanism of building hoist |
-
2017
- 2017-02-21 CN CN201710092009.3A patent/CN106672716A/en active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2013182209A1 (en) * | 2012-06-05 | 2013-12-12 | Soliman Mohamed Abdel Hameed Abdel Alleem Mohamed | Advanced roped hydraulic elevator with and without counterweight for all heights and speeds. |
CN204096842U (en) * | 2014-09-23 | 2015-01-14 | 常熟理工学院 | A kind of composite flooding hydraulic elevator system |
CN204474077U (en) * | 2015-02-13 | 2015-07-15 | 南宁劲频机电有限公司 | A kind of link-type equalizing gear of building hoist |
CN204474108U (en) * | 2015-02-13 | 2015-07-15 | 南宁劲频机电有限公司 | A kind of steel wire rope type equalizing gear of building hoist |
CN204549724U (en) * | 2015-03-26 | 2015-08-12 | 南宁泰进铝合金加工有限公司 | A kind of derrick type bindiny mechanism of building hoist |
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Application publication date: 20170517 |