CN208150723U - A kind of cage overspeed protective device based on radar velocity measurement - Google Patents
A kind of cage overspeed protective device based on radar velocity measurement Download PDFInfo
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- CN208150723U CN208150723U CN201820375096.3U CN201820375096U CN208150723U CN 208150723 U CN208150723 U CN 208150723U CN 201820375096 U CN201820375096 U CN 201820375096U CN 208150723 U CN208150723 U CN 208150723U
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- cage
- connecting rod
- overspeed
- velocity measurement
- steel plate
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Abstract
The utility model discloses a kind of cage overspeed protective device based on radar velocity measurement, a kind of cage overspeed protective device based on radar velocity measurement includes cage ontology, overspeed testing apparatus and overspeed protection self-locking device.Radar micro-wave module in the radar velocity measurement sensor is responsible for transmitting and receives radar microwave, and the difference frequency signal that Frequency mixing processing acquires output is carried out to transmitting and received wave, this signal supply subsequent conditioning circuit is subjected to data analysis by STM32 single-chip microcontroller and obtains velocity amplitude with processing, cage speed is directly detected.The overspeed protection self-locking device can adjust position of the supporting steel plate in T-type hole by adjusting T-nut, and friction block is adjusted in this way to the brake force and braking time of cage guide.When exceeding speed allowed band, overspeed protection self-locking device holds the fast braking on cage guide tightly, protects personnel safety in cage, realizes and directly detects to cage speed and the effect of fast braking.
Description
Technical field
The utility model relates to the lift technique fields of mine thing and personnel more particularly to a kind of based on radar velocity measurement
Cage overspeed protective device and its guard method.
Background technique
As the important equipment of mine hoisting material and personnel, the safety of cage is particularly important.In order to ensure cage
It is safely operated, is equipped with catching device on cage, can tightly embrace check band when disconnected rope and be braked, prevent cage
It falls, causes casualties.There are an electic protection and mechanical protection to what cage was equipped with overspeed protection in existing technology, it is existing
It is the next rough indirect detection cage speed of revolving speed for detecting ground motor output shaft to cage overspeed testing apparatus, to cage speed
Spend the accuracy Shortcomings of detection.Patent No. 2014207188093 a kind of cage overspeed protective device it is practical new
Include test the speed part, component part and brake portion in type, for cage when being more than the speed limit of setting, in centrifugal force
Under the action of whipping centrifugal-block, drive brake line pull wedge type block clamping guide steel wire rope carry out holding braking, this is mechanical
Brake force is not big enough in mode of braking, and the braking of cage can be made unstable, leads to personnel's production in cage braking in cage
Raw biggish shaking.The real-time speed that overspeed testing apparatus is used to detect cage is also arranged in the utility model above cage, together
When also used for reference cohesion device it is innovative design overspeed protection self-locking device, once hypervelocity, self-locking device is in single-chip microcontroller control
Make motor movement under system, to realize self-locking holding braking of the cage in upper and lower operation, embraces on cage guide, realize steady system
Dynamic, after Awaiting Overhaul is errorless, cage works on.It can be achieved directly to measure cage speed, to cage by list in the case where hypervelocity
Piece machine controls the motor work of overspeed protection self-locking device, and overspeed protection self-locking device holding is made to make cage quickly on cage guide
It is dynamic.
Utility model content
The utility model aims to solve at least one of the technical problems existing in the prior art.For this purpose, the utility model mentions
For a kind of cage overspeed protective device based on radar velocity measurement, it is therefore an objective to directly measurement cage speed, to cage hypervelocity feelings
It is worked under condition by the motor of STM32 single-chip microcontroller control overspeed protection self-locking device, holds overspeed protection self-locking device in cage guide tightly
On make cage fast braking.
To achieve the goals above, the technical solution that the utility model is taken is：
A kind of cage overspeed protective device based on radar velocity measurement described in the utility model includes cage ontology, hypervelocity inspection
Survey device and overspeed protection self-locking device.The cage ontology includes cage, is equipped with cage shoe, the hypervelocity above the cage
Detection device includes trestle table, and the trestle table is fixedly mounted on the pedestal of cage shoe, and the trestle table and radar velocity measurement sense
The connection of device screw, the radar velocity measurement sensor and STM32 single-chip microcontroller are electrically connected, the STM32 single-chip microcontroller and double relay
It is electrically connected, the double relay and electrical connection of motor, the STM32 single-chip microcontroller and alarm are electrically connected, the alarm
Device is mounted in cage.The overspeed protection self-locking device includes motor, and the motor includes electric machine main shaft, the electric machine main shaft
It is connect with worm type of reduction gearing input shaft coupling, the worm type of reduction gearing output shaft is connected by key with gear, institute
Wheel and rack engagement is stated, the rack gear is mounted on cage side one end, and the worm type of reduction gearing upper end and connecting plate are solid
It connects calmly and lower end is connect with right guide support bracket, the right guide support bracket is connect with right slider bracket, the right cunning
Block bracket is connect with left slider bracket, and the left slider bracket is connect with left guide support bracket, the left slider bracket and the right side
The rectangular recess of slider bracket is installed with left linear bearing and right linear bearing respectively, the left linear bearing and right linear bearing
It is respectively and fixedly installed on the left extending-board and right extending-board of rack gear, described left guide support bracket one end and worm and gear slow down
Device connects and the other end is connect with left slider bracket, and the left guide support pedestal upper end is fixedly connected with connecting plate, the company
Fishplate bar is hinged with first connecting rod one end, second connecting rod one end, the 5th connecting rod one end and the 6th connecting rod one end respectively, institute
It states the first connecting rod other end and third connecting rod one end is hinged, the third connecting rod is fixedly connected with the first friction block, and
The third connecting rod other end and the first supporting steel plate upper end are hinged, and first supporting steel plate is pacified by the first T-nut
In T type hole, the second connecting rod other end and the 4th connecting rod one end are hinged, and the 4th connecting rod is rubbed with second
Cleaning block is fixedly connected, and the 4th connecting rod other end and the first supporting steel plate upper end are hinged, the 5th connecting rod other end
Hinged with the 7th connecting rod one end, the 7th connecting rod is fixedly connected with third friction block, the 7th connecting rod other end
Hinged with the second supporting steel plate upper end, the 6th connecting rod other end and the 8th connecting rod one end are hinged, the 8th connection
Bar is fixedly connected with the 4th friction block, and the 8th connecting rod other end and the second supporting steel plate upper end are hinged, and described second
Support steel plate is mounted in T-type hole by the second T-nut.
As a kind of optimal technical scheme of the utility model, first T-nut, the second T-nut and T-type hole
Quantity is two, and T-type hole is through-hole；
As a kind of optimal technical scheme of the utility model, left extending-board and right elongation are extended in the two sides of the rack gear
It is fixedly installed with left linear bearing and right linear bearing respectively in plate and left extending-board and right extending-board；
As a kind of optimal technical scheme of the utility model, the friction block is a circular-arc structure, quantity be four and
Structure is identical；
As a kind of optimal technical scheme of the utility model, the supporting steel plate right end has two rectangular floors, and left end has
Two triangle floor and top and bottom are provided with two threaded holes, and the supporting steel plate quantity is two and structure is identical.
A kind of overspeed protection method of cage overspeed protective device based on radar velocity measurement, includes the following steps：
Step A):Initialization is initially entered, cage works normally；
Step B):Radar micro-wave module in radar velocity measurement sensor is responsible for transmitting and receives radar microwave, and to transmitting
The difference frequency signal that Frequency mixing processing acquires output is carried out with received wave, this signal supply subsequent conditioning circuit is passed through into STM32 single-chip microcontroller
Data analysis is carried out to be compared with the velocity amplitude that processing obtains with cage speed limit Vs：
a):When being less than cage speed limit Vs, cage is operated normally, the motor of overspeed protection self-locking device not work
Make.
b):When more than cage speed limit Vs, step C is executed).
Step C)：STM32 single-chip microcontroller control double relay come control motor clockwise operate, gear along rack gear to
Lower movement makes between first connecting rod, the second connecting rod under the first supporting steel plate structure function of overspeed protection self-locking device
Angle reduces that the distance between the second friction block on the first friction block and the 4th connecting rod in third connecting rod is driven to subtract
It is small, when friction block touches cage guide, self-locking, holding tank is realized under the gravity of cage and overspeed protection self-locking device
Road, so that cage is braked immediately.
Step D):It is when remaining static that cage is braked completely, and after maintenance is errorless, STM32 single-chip microcontroller controls double relays
Device rotates in an anti-clockwise direction to control motor, controls the angle of gear rotation to be restored to initial position, cage works on.
Step E):When cage uplink：
c):When being less than cage speed limit Vs, cage is operated normally, the motor of overspeed protection self-locking device not work
Make.
d):When more than cage speed limit Vs, step F is executed).
Step F)：STM32 single-chip microcontroller control double relay come control motor counterclockwise operate, gear along rack gear to
Upper movement makes between the 5th connecting rod, the 6th connecting rod under the second supporting steel plate structure function of overspeed protection self-locking device
Angle reduce to drive the 7th connecting rod on third friction block and the 8th connecting rod on the 4th friction block between distance
Reduce, when friction block touches cage guide, self-locking, holding tank is realized under the effect of inertia of cage and overspeed protection self-locking device
Road, so that cage is braked immediately.
Step G):Cage is braked completely i.e. when remaining static, overhauled it is errorless after, the control of STM32 single-chip microcontroller it is double after
Electric appliance controls motor rotationally clockwise, and the angle of control gear rotation is restored to initial position, and cage works on.
The beneficial effects of the utility model：
1. the radar micro-wave module in radar velocity measurement sensor is responsible for transmitting and receives radar microwave, and to transmitting and receives
Wave carries out the difference frequency signal that Frequency mixing processing acquires output, this signal supply subsequent conditioning circuit is carried out data analysis by single-chip microcontroller
Velocity amplitude is obtained with processing, radar velocity measurement sensor is mounted on cage, can be carried out real time speed measuring as cage moves, be obtained
The actual motion velocity interpolation of cage directly detects cage speed, and the sensor is not interfered by polarity, electromagnetic interference, also not
By chemical substance, dust, salt fog, rainwater, scrubs and influenced with mechanical shock.
2. overspeed protection self-locking device can adjust supporting steel plate in T type hole by adjusting the T-nut on supporting steel plate
In position, friction block adjustable in this way is to the brake force and braking time of cage guide, once in cage hypervelocity, STM32 monolithic
Machine controls the motor of overspeed protection self-locking device quickly to realize that friction block is self-locking to the holding of cage guide, fast braking.
3. the speed of pair cage can be detected directly, when exceeding speed allowed band, overspeed protection self-locking device can be direct
Holding carries out fast braking on cage guide, protects personnel safety in cage, and realizing directly can detect cage speed and quick
The effect of braking.
Detailed description of the invention
This specification includes the following drawings, and shown content is respectively：
Fig. 1 is overall assembling positive structure schematic of the invention；
Fig. 2 is overall assembling left side structure schematic diagram of the invention；
Fig. 3 is overall assembling partial right side structural schematic diagram of the invention；
Fig. 4 is overspeed protection self-locking device right side structure schematic diagram of the invention；
Fig. 5 is overspeed protection self-locking device left side structure schematic diagram of the invention；
Fig. 6 is right guide support supporting structure schematic diagram of the invention；
Fig. 7 is left guide support supporting structure schematic diagram of the invention；
Fig. 8 is right slider bracket structural schematic diagram of the invention；
Fig. 9 is left slider supporting structure schematic diagram of the invention；
Figure 10 is the first supporting steel plate structural schematic diagram of the invention；
Figure 11 is cage velocity measuring schematic diagram of the invention；
Figure 12 is sequential function chart of the invention.
In figure label for：
1. cage, 2. cage shoes, 3. trestle tables, 4. radar velocity measurement sensors, 5. overspeed protection self-locking devices, 51. motors,
52. worm type of reduction gearing, 53. connecting plates, 541. right guide support brackets, 542, left guide support bracket, 543. right sliding blocks
Bracket, 544. left slider brackets, 551. rack gears, 552.T type hole, 553. right extending-boards, 554. left extending-boards, 555. right linear axis
It holds, 556, left linear bearing, 56. gears, 571. first connecting rods, 572. second connecting rods, 573. third connecting rods, 574.
Four connecting rods, 575. first friction blocks, 576. second friction blocks, 581. the 5th connecting rods, 582. the 6th connecting rods, 583.
Seven connecting rods, 584. the 8th connecting rods, 585. third friction blocks, 586. the 4th friction blocks, 59. first supporting steel plates, 591.
One T-nut, 510. second supporting steel plates, 5101. second T-nuts.
Specific embodiment
Below against attached drawing, by the description of the embodiment, making to specific embodiment of the present utility model further detailed
Thin explanation, it is therefore an objective to help those skilled in the art to the design of the utility model, technical solution have it is more complete, accurate and
Deep understanding, and facilitate its implementation.
As shown in Figures 1 to 10, a kind of cage overspeed protective device based on radar velocity measurement include cage ontology,
Overspeed testing apparatus and overspeed protection self-locking device 5.The cage ontology includes cage 1, is equipped with cage shoe above the cage 1
2, the overspeed testing apparatus includes trestle table 3, and the trestle table 3 is fixedly mounted on the pedestal of cage shoe 2, the trestle table 3
It is connect with 4 screw of radar velocity measurement sensor, the radar velocity measurement sensor 4 is with object, that is, borehole wall angle in 35 ± 5 ° of peaces
Dress, the radar velocity measurement sensor 4 are 457-1219mm, the radar velocity measurement relative to target face, that is, borehole wall face mounting distance
Sensor 4 and STM32 single-chip microcontroller are electrically connected, and the STM32 single-chip microcontroller and alarm are electrically connected, the STM32 single-chip microcontroller
It is electrically connected with double relay, the motor 51 is electrically connected with double relay, and the alarm is mounted in cage 1.It is described
Radar micro-wave module in radar velocity measurement sensor 4 is responsible for transmitting and receives radar microwave, and mixes to transmitting with received wave
This signal supply subsequent conditioning circuit is carried out data analysis and handled by the difference frequency signal that frequency processing acquires output by single-chip microcontroller
To velocity amplitude, wherein object is the borehole wall.The radar velocity measurement sensor 4 is third generation radar velocity measurement sensor, and appearance is
103x 86x 79mm.The overspeed protection self-locking device 5 includes motor 51, and the motor 51 includes electric machine main shaft, the electricity
Owner's axis is connect with 52 input shaft coupling of worm type of reduction gearing, 52 output shaft of worm type of reduction gearing and gear 56
It is connected by key, the gear 56 is engaged with rack gear 551, and the rack gear 551 is mounted on 1 side one end of cage, the worm gear snail
52 upper end of bar retarder is fixedly connected with connecting plate 53 and lower end is connect with right guide support bracket 541, the right guide support
Bracket 541 is connect with right slider bracket 543, and the right slider bracket 543 is connect with left slider bracket 544, the left slider branch
Frame 544 is connect with left guide support bracket 542, the rectangular recess difference of the left slider bracket 544 and right slider bracket 543
It is installed with left linear bearing 556 and right linear bearing 555, the left linear bearing 556 and right linear bearing 555 fix peace respectively
On the left extending-board 554 and right extending-board 553 of rack gear 551, described left 542 one end of guide support bracket and worm and gear
Retarder 52 connects and the other end is connect with left slider bracket 544, and left 542 upper end of guide support bracket and connecting plate 53 are solid
Fixed connection, the connecting plate 53 respectively with 571 one end of first connecting rod, 572 one end of the second connecting rod, the 5th connecting rod 581 1
End and 582 one end of the 6th connecting rod are hinged, and 571 other end of first connecting rod and 573 one end of third connecting rod are hinged, described
Third connecting rod 573 is fixedly connected with the first friction block 575, and 573 other end of third connecting rod and the first supporting steel plate
59 upper ends are hinged, and first supporting steel plate 59 is mounted in T-type hole 552 by the first T-nut 591, the first T-type spiral shell
Mother 591 and 552 quantity of T-type hole are two, and 572 other end of the second connecting rod and 574 one end of the 4th connecting rod are hinged,
4th connecting rod 574 is fixedly connected with the second friction block 576,574 other end of the 4th connecting rod and the first supporting steel
59 upper end of plate is hinged, and 581 other end of the 5th connecting rod and 583 one end of the 7th connecting rod are hinged, the 7th connecting rod 583
It is fixedly connected with third friction block 585,583 other end of the 7th connecting rod and 510 upper end of the second supporting steel plate are hinged, described
6th connecting rod, 582 other end and 584 one end of the 8th connecting rod are hinged, and the 8th connecting rod 584 and the 4th friction block 586 are solid
Fixed connection, 584 other end of the 8th connecting rod and 510 upper end of the second supporting steel plate are hinged, second supporting steel plate 510
It is mounted in T-type hole 552 by the second T-nut 5101,5101 quantity of the second T-nut is two.
As shown in Fig. 4 to Fig. 5, left extending-board 554 and right extending-board 553 are extended in the two sides of the rack gear 551 and a left side is stretched
Left linear bearing 556 and right linear bearing 555 are fixedly installed in long slab 554 and right extending-board 553 respectively；
As shown in Fig. 4 to Fig. 5, the friction block is a circular-arc structure, and quantity is four and structure is identical；
As shown in Figure 10, the supporting steel plate right end has two rectangular floors, and there is two triangle floor in left end and upper end is under
End is provided with two threaded holes, and the supporting steel plate quantity is two and structure is identical.
As shown in Figures 1 to 12, the overspeed protection side of a kind of cage overspeed protective device based on radar velocity measurement
Method includes the following steps：
Step A):Initialization is initially entered, cage 1 works normally；
Step B):Radar micro-wave module in radar velocity measurement sensor 4 is responsible for transmitting and receives radar microwave, and to transmitting
The difference frequency signal that Frequency mixing processing acquires output is carried out with received wave, this signal supply subsequent conditioning circuit is passed through into STM32 single-chip microcontroller
Data analysis is carried out to be compared with the velocity amplitude that processing obtains with 1 speed limit Vs of cage：
a):When being less than 1 speed limit Vs of cage, cage 1 is operated normally, the motor 51 of overspeed protection self-locking device 5
It does not work.
b):When more than 1 speed limit Vs of cage, step C is executed).
Step C)：STM32 single-chip microcontroller control double relay operated clockwise to control motor 51, gear 56 along
Rack gear 551 moves downward, make under 59 structure function of the first supporting steel plate of overspeed protection self-locking device 5 first connecting rod 571,
Angle reduces to drive the first friction block 575 and the 4th connecting rod in third connecting rod 573 between second connecting rod 572
Distance between the second friction block 576 on 574 reduces, when friction block touches cage guide, in cage 1 and the self-locking dress of overspeed protection
It sets and realizes self-locking, holding cage guide, so that cage 1 is braked immediately under 5 gravity.
Step D):The braking completely of cage 1 is when remaining static, and after maintenance is errorless, STM32 single-chip microcontroller controls double relays
Device rotates in an anti-clockwise direction to control motor 51, controls the angle that gear 56 rotates to be restored to initial position, cage 1 continues work
Make.
Step E):When 1 uplink of cage：
c):When being less than 1 speed limit Vs of cage, cage 1 is operated normally, the motor 51 of overspeed protection self-locking device 5
It does not work.
d):When more than 1 speed limit Vs of cage, step F is executed).
Step F)：STM32 single-chip microcontroller controls double relay to control motor and counterclockwise operate, and gear 56 is along tooth
Item 551 moves upwards, make under 510 structure function of the second supporting steel plate of overspeed protection self-locking device 5 the 5th connecting rod 581,
Angle between 6th connecting rod 582 reduces to drive the third friction block 585 and the 8th connecting rod in the 7th connecting rod 583
Distance reduces between upper 584 the 4th friction block 586, when friction block touches cage guide, in cage 1 and the self-locking dress of overspeed protection
It sets and realizes self-locking, holding cage guide, so that cage 1 is braked immediately under 5 effect of inertia.
Step G):The braking completely of cage 1 is i.e. when remaining static, overhauled it is errorless after, the control of STM32 single-chip microcontroller it is double after
Electric appliance controls motor 51 rotationally clockwise, and the angle that control gear 56 rotates is restored to initial position, and cage 1 continues
Work.
A kind of principle of the cage overspeed protective device operation based on radar velocity measurement is as follows：
For cage 1 before going into the well, STM32 single-chip microcontroller and motor 51 are in energized state, in overspeed protection self-locking device 5
Friction block be in open configuration；Thunder during 1 downlink of cage, using the borehole wall as object, in radar velocity measurement sensor 4
It is responsible for transmitting up to microwave module and receives radar microwave, and the difference frequency letter that Frequency mixing processing acquires output is carried out to transmitting and received wave
Number, this signal supply subsequent conditioning circuit is subjected to the velocity amplitude and cage 1 that data analysis is obtained with processing by STM32 single-chip microcontroller
Speed limit Vs is compared, and when being less than 1 speed limit Vs of cage, overspeed protection self-locking device 5 does not work, cage
1 is in normal operating conditions, and when being more than 1 speed limit Vs of cage, STM32 single-chip microcontroller controls double relay to control motor
51 rotationally clockwise, and band moving gear 56 is moved downward along rack gear 551, in the first support of overspeed protection self-locking device 5
Angle between first connecting rod 571, the second connecting rod 572 is set to reduce to drive third connecting rod under 59 structure function of steel plate
576 distance reduces between the first friction block 575 on 573 and the second friction block in the 4th connecting rod 574, when friction block is touched
It when to cage guide, is realized under the gravity of cage 1 and overspeed protection self-locking device 5 self-locking, cage guide is held tightly, so that cage 1 is vertical
Brake.Overspeed signal is transmitted to surface personnel at this time, it is manual by ground brake apparatus by surface personnel
It opens, reel is braked, cage 1 shakes when can prevent service personnel from overhauling, and interferes while also achieving to maintenance
Double brake, after maintenance is errorless, STM32 single-chip microcontroller control double relay counterclockwise works to control motor 51, passes through
The angle that gear 56 rotates is controlled to be restored to initial position, cage 1 works under the action of steel wire main rope.When cage 1
When uplink, the radar micro-wave module in radar velocity measurement sensor 4 is responsible for transmitting and receives radar microwave, and to transmitting and received wave
The difference frequency signal that Frequency mixing processing acquires output is carried out, this signal supply subsequent conditioning circuit is subjected to data by STM32 single-chip microcontroller
It analyzes the velocity amplitude obtained with processing to be compared with 1 speed limit Vs of cage, as the speed limit Vs for being less than cage 1
When, 1 overspeed protection self-locking device 5 of cage does not work, when the speed for detecting cage 1 is more than limit value Vs, STM32 single-chip microcontroller
Control double relay counterclockwise operated to control motor 51, gear 56 is moved upwards along rack gear 551, overspeed protection from
Subtract the angle between the 5th connecting rod 581, the 6th connecting rod 582 under 510 structure function of the second supporting steel plate of locking device 5
Between the 4th friction block 586 on small third friction block 585 and the 8th connecting rod 584 in the 7th connecting rod 583 of drive
Distance reduce, when friction block touches cage guide, realized under the effect of inertia of cage 1 and overspeed protection self-locking device 5 it is self-locking,
Cage guide is held tightly, so that cage 1 is braked immediately.Overspeed signal is transmitted to surface personnel at this time, passes through surface personnel's hand
Dynamic opens ground brake apparatus, so that reel is braked, when preventing inspection personnel from overhauling, cage 1 shakes, and makes to maintenance
Double brake is also achieved simultaneously at interference, after errorless on inspection, STM32 single-chip microcontroller control double relay is suitable to control motor 51
Clockwise rotation, is restored to initial position, effect of the cage 1 in the main rope of steel wire by controlling the angle that gear 56 rotates through
Under work on.
Claims (5)
1. a kind of cage overspeed protective device based on radar velocity measurement, it is characterised in that：It is described a kind of based on radar velocity measurement
Cage overspeed protective device includes cage ontology, overspeed testing apparatus and overspeed protection self-locking device；The cage ontology includes
Cage, the cage top are equipped with cage shoe, and the overspeed testing apparatus includes trestle table, and the trestle table is fixedly mounted on tank
On the pedestal of ear, the trestle table is connect with radar velocity measurement sensor screw, the radar velocity measurement sensor and STM32 single-chip microcontroller
It is electrically connected, the STM32 single-chip microcontroller and double relay are electrically connected, and the double relay and electrical connection of motor are described
STM32 single-chip microcontroller and alarm are electrically connected, and the alarm is mounted in cage；The overspeed protection self-locking device includes electricity
Machine, the motor include electric machine main shaft, and the electric machine main shaft is connect with worm type of reduction gearing input shaft coupling, the worm gear
Worm reducer output shaft is connected by key with gear, and the wheel and rack engagement, the rack gear is mounted on cage side one
End, the worm type of reduction gearing upper end is fixedly connected with connecting plate and lower end is connect with right guide support bracket, and the right side is led
It is connect to supporting support with right slider bracket, the right slider bracket is connect with left slider bracket, the left slider bracket and a left side
The connection of guide support bracket, the rectangular recess of the left slider bracket and right slider bracket respectively with left linear bearing and right straight line
Bearing installation, the left linear bearing and right linear bearing are respectively and fixedly installed on the left extending-board and right extending-board of rack gear,
Described left guide support bracket one end is connect with worm type of reduction gearing and the other end is connect with left slider bracket, the left guiding
Supporting support upper end is fixedly connected with connecting plate, the connecting plate respectively with first connecting rod one end, second connecting rod one end,
Five connecting rod one end and the 6th connecting rod one end are hinged, and the first connecting rod other end and third connecting rod one end are hinged, institute
It states third connecting rod to be fixedly connected with the first friction block, and the third connecting rod other end and the first supporting steel plate upper end are cut with scissors
It connects, first supporting steel plate is mounted in T-type hole by the first T-nut, and the second connecting rod other end and the 4th connects
Extension bar one end is hinged, and the 4th connecting rod is fixedly connected with the second friction block, the 4th connecting rod other end and first
Support steel plate upper end is hinged, and the 5th connecting rod other end and the 7th connecting rod one end are hinged, the 7th connecting rod and third
Friction block is fixedly connected, and the 7th connecting rod other end and the second supporting steel plate upper end are hinged, and the 6th connecting rod is another
End is hinged with the 8th connecting rod one end, and the 8th connecting rod is fixedly connected with the 4th friction block, and the 8th connecting rod is another
End is hinged with the second supporting steel plate upper end, and second supporting steel plate is mounted in T-type hole by the second T-nut.
2. a kind of cage overspeed protective device based on radar velocity measurement according to claim 1, it is characterised in that：Described
One T-nut, the second T-nut and T-type hole number are two, and T-type hole is through-hole.
3. a kind of cage overspeed protective device based on radar velocity measurement according to claim 1, it is characterised in that：The tooth
Extend left extending-board and right extending-board and be fixedly installed with left linear axis respectively in left extending-board and right extending-board in the two sides of item
It holds and right linear bearing.
4. a kind of cage overspeed protective device based on radar velocity measurement according to claim 1, it is characterised in that：It is described to rub
Cleaning block is a circular-arc structure, and quantity is four and structure is identical.
5. a kind of cage overspeed protective device based on radar velocity measurement according to claim 1, it is characterised in that：The branch
Support steel plate right end has two rectangular floors, and there is two triangle floor in left end and top and bottom are provided with two threaded holes, the support
Steel plate number is two and structure is identical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820375096.3U CN208150723U (en) | 2018-03-19 | 2018-03-19 | A kind of cage overspeed protective device based on radar velocity measurement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820375096.3U CN208150723U (en) | 2018-03-19 | 2018-03-19 | A kind of cage overspeed protective device based on radar velocity measurement |
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| Publication Number | Publication Date |
|---|---|
| CN208150723U true CN208150723U (en) | 2018-11-27 |
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ID=64390169
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820375096.3U Expired - Fee Related CN208150723U (en) | 2018-03-19 | 2018-03-19 | A kind of cage overspeed protective device based on radar velocity measurement |
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| Country | Link |
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| CN (1) | CN208150723U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108557607A (en) * | 2018-03-19 | 2018-09-21 | 安徽理工大学 | A kind of cage overspeed protective device and its guard method based on radar velocity measurement |
-
2018
- 2018-03-19 CN CN201820375096.3U patent/CN208150723U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108557607A (en) * | 2018-03-19 | 2018-09-21 | 安徽理工大学 | A kind of cage overspeed protective device and its guard method based on radar velocity measurement |
| CN108557607B (en) * | 2018-03-19 | 2024-04-12 | 安徽理工大学 | Cage overspeed protection device based on radar speed measurement and protection method thereof |
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