CN206634892U - A kind of reciprocating lifting device - Google Patents
A kind of reciprocating lifting device Download PDFInfo
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- CN206634892U CN206634892U CN201720239949.6U CN201720239949U CN206634892U CN 206634892 U CN206634892 U CN 206634892U CN 201720239949 U CN201720239949 U CN 201720239949U CN 206634892 U CN206634892 U CN 206634892U
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- lifting device
- rotating speed
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- resistance
- actuator
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Abstract
The utility model provides a kind of reciprocating lifting device, brake gear and break detector apparatus, and break detector apparatus includes tensile force detection circuit and Rotating speed measring circuit；Transmission rope wears and passes through brake gear and break detector apparatus；Tensile force driving circuit includes pulling force sensor and is used to detect the pulling force of transmission rope and exports pulling force sampled voltage；Also include the first drive plate, transmission rope and the first drive plate coordinate to drive the first turn disc, and Rotating speed measring circuit includes a speed probe；Brake gear includes locking piece and actuator, and tensile force driving circuit and Rotating speed measring circuit are coupled to actuator, when actuator, which receives first, holds signal or the second holding signal tightly, drives locking piece locking transmission rope.If rope is broken, then tensile force moment loses, or rotating speed moment rises, and is detected and is responded by two detection circuit very first times respectively, carries out locking by cohesion device, ensures security.
Description
Technical field
Lifting device technical field is the utility model is related to, is specifically related to a kind of reciprocating lifting device.
Background technology
Reciprocating vertical conveyor is by chain-driving, by variable frequency regulating speed control motor, just lifts car and pumps
It is furnished with transmission mechanism on lifting car, so that transported material is automatically on the lifting car of lift.Such elevator has
Advanced, dependable performance is controlled, lifts the features such as car positioning precision is high.But a problem is presently, there are, if lifting car
On transmission mechanism transmission component occur fracture or other abnormal conditions, be so easy for occur dangerous situation, influence to pacify
Quan Xing.
Utility model content
For the above-mentioned problems in the prior art, a kind of reciprocating lifting device is now aimed to provide, it is above-mentioned to solve
Problem.
Concrete technical scheme is as follows：
A kind of reciprocating lifting device, including support and driving structure, the driving structure include transmission rope and are used for
Work is lifted, including：Brake gear and break detector apparatus, the break detector apparatus include tensile force detection circuit and
Rotating speed measring circuit；The transmission rope wears and passes through the brake gear and break detector apparatus；
The tensile force driving circuit includes pulling force sensor and is used to detect the pulling force of the transmission rope and export pulling force to adopt
Sample voltage, the tensile force driving circuit are configured with the first reference voltage, when the pulling force sampled voltage is less than reference voltage,
Signal is held in output first tightly；
Also include the first drive plate, the transmission rope coordinates with first drive plate to drive first rotating disc to turn
Dynamic, the Rotating speed measring circuit includes a speed probe, and the speed probe is used to detect turning for first drive plate
Speed and output speed sampled voltage, the Rotating speed measring circuit is configured with the second reference voltage, when the rotating speed sampled voltage is big
When the second reference voltage, signal is held in output second tightly；
The brake gear includes locking piece and actuator, the tensile force driving circuit and the Rotating speed measring circuit
The actuator is coupled to, when actuator, which receives first, holds signal or the second holding signal tightly, drives the locking piece to embrace
The dead transmission rope.
Further, the actuator is arranged to hydraulic cylinder.
Further, the tensile force driving circuit includes the first reference cell and the first comparison circuit, and described first
Reference cell is used to configuring the first reference voltage, and first reference cell and the pulling force sensor are respectively coupled to described the
The input of one comparison circuit, the output end of first comparison circuit couple the actuator.
Further, first comparison circuit is arranged to first comparator, the positive input terminal coupling of the first comparator
First reference cell is connect, its negative input end couples first reference cell.
Further, first reference cell include be sequentially connected in series the first resistor in dc source, second resistance and
3rd resistor, the node of first resistor and the second resistance coupling provide first reference voltage.
Further, the Rotating speed measring circuit includes the first reference cell and the second comparison circuit, second base
Quasi- unit is used to configure the second reference voltage, and second reference cell and the pulling force sensor are respectively coupled to described second
The input of comparison circuit, the output end of second comparison circuit couple the actuator.
Further, second comparison circuit is arranged to the second comparator, the negative input end coupling of second comparator
Second reference cell is connect, its positive input terminal couples second reference cell.
Further, second reference cell include be sequentially connected in series the 4th resistance in dc source, the 5th resistance and
6th resistance, the node of the 4th resistance and the 5th the resistance coupling provide first reference voltage.
Further, the 3rd resistor is arranged to adjustable resistance.
Further, the 6th resistance is arranged to adjustable resistance.
The good effect of above-mentioned technical proposal is：
Above-mentioned reciprocating lifting device, if rope is broken, then tensile force moment loses, or rotating speed moment
Rise, detected and responded by two detection circuit very first times respectively, locking is carried out by cohesion device, ensures safety
Property.
Brief description of the drawings
Fig. 1 is a kind of schematic diagram one of the embodiment of reciprocating lifting device of the present utility model；
Fig. 2 is a kind of schematic diagram two of the embodiment of reciprocating lifting device of the present utility model；
Fig. 3 is a kind of schematic diagram three of the embodiment of reciprocating lifting device of the present utility model；
Fig. 4 is pulling force sensor mounting structure schematic diagram of the present utility model；
Fig. 5 is circuit catenation principle figure of the present utility model；
In accompanying drawing：10th, transmission rope；11st, upper frame；12nd, central frame；13rd, lower frame；14th, bottom plate；15th, drive
Structure；16th, guardrail；17th, buffer；18th, guide upright post；19th, guide rail is braked；20th, transmission rope tensioning apparatus；21st, fracture detection
Device；22nd, brake gear；23rd, transmission component；111st, pulling force sensor；112nd, speed probe；211st, first comparator；
212nd, the second comparator；311st, the first reference cell；312nd, the second reference cell.
Embodiment
In order that technological means, creation characteristic, reached purpose and effect that the utility model is realized are easy to understand, with
Lower embodiment combination accompanying drawing 1 is specifically addressed to accompanying drawing 5 to technical scheme provided by the utility model, but herein below not as
Restriction of the present utility model.
First, referring to figs. 1 to shown in Fig. 3, overall structure of the present utility model is introduced, concrete outcome is as follows, and one
The reciprocating lifting device of kind, including support and driving structure 15, driving structure 15 include motor and transmission rope 10,
With transmission component 23, transmission rope 10 is driven by transmission component 23 and rotated, while guardrail 16 is provided with support, support bag
Upper frame 11, central frame 12 and lower frame 13 are included, and bottom plate 14, driving structure 15 are realized by reducing motor, are driven
Also include buffer 17 in dynamic structure 15；And for guiding the guide upright post 18 of lifting, system is additionally provided with guide upright post 18
Dynamic guide rail 19；Also include the tensioning apparatus of transmission rope 10, for being tensioned the transmission rope 10, break detector apparatus 21, brake gear
22 and transmission component 23 include some directive wheels, there is provided guide effect.
Brake gear 22 and break detector apparatus 21, the break detector apparatus 21 include tensile force detection circuit and
Rotating speed measring circuit；The transmission rope 10 wears and passes through the brake gear 22 and break detector apparatus 21；
The tensile force driving circuit includes pulling force sensor 111 and is used to detect the pulling force of the transmission rope 10 and exports drawing
Power sampled voltage, the tensile force driving circuit are configured with the first reference voltage, when the pulling force sampled voltage is less than benchmark electricity
During pressure, signal is held in output first tightly；The tensile force driving circuit includes the first reference cell 311 and the first comparison circuit,
First reference cell 311 is used to configure the first reference voltage, first reference cell 311 and the pulling force sensor
111 are respectively coupled to the input of first comparison circuit, and the output end of first comparison circuit couples the actuator.
First comparison circuit is arranged to first comparator 211, and the positive input terminal of the first comparator 211 couples first base
Quasi- unit 311, its negative input end couple first reference cell 311.First reference cell 311 include be sequentially connected in series in
First resistor, second resistance and the 3rd resistor (R11-R13) of dc source, the section of first resistor and the second resistance coupling
Point provides first reference voltage.The 3rd resistor is arranged to adjustable resistance.The side as shown in Figure 4 of pulling force sensor 111
Formula is installed, you can detection tensile force.
Also include the first drive plate, the position of the first drive plate, which is not done, limits to, and rotating speed can be realized by encoder,
The section of one drive plate sets some apertures, realizes the detection of angular speed, and encoder selection is the encoder of voltage signal output,
So as to circuit subsequent treatment, the transmission rope 10 coordinates with first drive plate to drive first turn disc, institute
Stating Rotating speed measring circuit includes a speed probe 112, and the speed probe 112 is used to detect turning for first drive plate
Speed and output speed sampled voltage, the Rotating speed measring circuit is configured with the second reference voltage, when the rotating speed sampled voltage is big
When the second reference voltage, signal is held in output second tightly；The Rotating speed measring circuit includes the first reference cell 311 and second
Comparison circuit, second reference cell 312 are used to configure the second reference voltage, second reference cell 312 and the drawing
Force snesor 111 is respectively coupled to the input of second comparison circuit, the output end coupling institute of second comparison circuit
State actuator.Second comparison circuit is arranged to the second comparator 212, the negative input end coupling of second comparator 212
Second reference cell 312, its positive input terminal couple second reference cell 312.Second reference cell 312 includes
It is sequentially connected in series the 4th resistance, the 5th resistance and the 6th resistance (R14-R16) in dc source, the 4th resistance and the 5th electricity
The node of resistance coupling provides first reference voltage.6th resistance is arranged to adjustable resistance.
The brake gear 22 includes locking piece and actuator, the tensile force driving circuit and Rotating speed measring electricity
Road is coupled to the actuator, when actuator, which receives first, holds signal or the second holding signal tightly, drives the locking piece
Transmission rope 10 described in locking.The actuator is arranged to hydraulic cylinder.
The utility model preferred embodiment is these are only, not thereby limits embodiment of the present utility model and protection
Scope, to those skilled in the art, it should can appreciate that all with the utility model specification and diagramatic content institute
Scheme obtained by the equivalent substitution made and obvious change, should be included in the scope of protection of the utility model
It is interior.
Claims (10)
1. a kind of reciprocating lifting device, including support and driving structure, the driving structure includes transmission rope and is used to carry
Rise work, it is characterised in that including：Brake gear and break detector apparatus, the break detector apparatus are examined including tensile force
Slowdown monitoring circuit and Rotating speed measring circuit；The transmission rope wears and passes through the brake gear and break detector apparatus；
The tensile force driving circuit includes pulling force sensor and is used to detect the pulling force of the transmission rope and exports pulling force sampling electricity
Pressure, the tensile force driving circuit is configured with the first reference voltage, when the pulling force sampled voltage is less than reference voltage, output
First holds signal tightly；
Also including the first drive plate, the transmission rope coordinates with first drive plate to drive first drive plate to rotate,
The Rotating speed measring circuit includes a speed probe, and the speed probe is for detecting the rotating speed of first drive plate simultaneously
Output speed sampled voltage, the Rotating speed measring circuit are configured with the second reference voltage, when the rotating speed sampled voltage is more than the
During two reference voltages, signal is held in output second tightly；
The brake gear includes locking piece and actuator, the tensile force driving circuit and the equal coupling of Rotating speed measring circuit
The actuator is connected to, when actuator, which receives first, holds signal or the second holding signal tightly, drives the locking piece locking institute
State transmission rope.
2. a kind of reciprocating lifting device according to claim 1, it is characterised in that the actuator is arranged to hydraulic pressure
Cylinder.
3. a kind of reciprocating lifting device according to claim 1, it is characterised in that the tensile force driving circuit includes
There are the first reference cell and the first comparison circuit, first reference cell is used to configure the first reference voltage, first base
Quasi- unit and the pulling force sensor are respectively coupled to the input of first comparison circuit, first comparison circuit it is defeated
Go out end and couple the actuator.
4. a kind of reciprocating lifting device according to claim 3, it is characterised in that first comparison circuit is arranged to
First comparator, the positive input terminal of the first comparator couple first reference cell, its negative input end coupling described the
One reference cell.
A kind of 5. reciprocating lifting device according to claim 3, it is characterised in that first reference cell include according to
The secondary first resistor, second resistance and 3rd resistor for being series at dc source, the section of first resistor and the second resistance coupling
Point provides first reference voltage.
6. a kind of reciprocating lifting device according to claim 1, it is characterised in that the Rotating speed measring circuit includes
First reference cell and the second comparison circuit, second reference cell are used to configure the second reference voltage, second benchmark
Unit and the pulling force sensor are respectively coupled to the input of second comparison circuit, the output of second comparison circuit
End couples the actuator.
7. a kind of reciprocating lifting device according to claim 6, it is characterised in that second comparison circuit is arranged to
Second comparator, the negative input end of second comparator couple second reference cell, its positive input terminal coupling described the
Two reference cells.
A kind of 8. reciprocating lifting device according to claim 6, it is characterised in that second reference cell include according to
Secondary the 4th resistance, the 5th resistance and the 6th resistance for being series at dc source, the section of the 4th resistance and the 5th the resistance coupling
Point provides first reference voltage.
9. a kind of reciprocating lifting device according to claim 5, it is characterised in that the 3rd resistor is arranged to adjustable
Resistance.
10. a kind of reciprocating lifting device according to claim 8, it is characterised in that the 6th resistance is arranged to can
Adjust resistance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720239949.6U CN206634892U (en) | 2017-03-13 | 2017-03-13 | A kind of reciprocating lifting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720239949.6U CN206634892U (en) | 2017-03-13 | 2017-03-13 | A kind of reciprocating lifting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206634892U true CN206634892U (en) | 2017-11-14 |
Family
ID=60249679
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720239949.6U Active CN206634892U (en) | 2017-03-13 | 2017-03-13 | A kind of reciprocating lifting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206634892U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111927881A (en) * | 2020-08-17 | 2020-11-13 | 曾镇涛 | Mechanical device based on rope body tension transmission |
-
2017
- 2017-03-13 CN CN201720239949.6U patent/CN206634892U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111927881A (en) * | 2020-08-17 | 2020-11-13 | 曾镇涛 | Mechanical device based on rope body tension transmission |
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