CN108892024A - Automatic staircase comb plate safety protection switch trigger force measuring device and measuring method - Google Patents
Automatic staircase comb plate safety protection switch trigger force measuring device and measuring method Download PDFInfo
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- CN108892024A CN108892024A CN201811056467.2A CN201811056467A CN108892024A CN 108892024 A CN108892024 A CN 108892024A CN 201811056467 A CN201811056467 A CN 201811056467A CN 108892024 A CN108892024 A CN 108892024A
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- 238000000691 measurement method Methods 0.000 claims description 10
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B29/00—Safety devices of escalators or moving walkways
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- Escalators And Moving Walkways (AREA)
- Force Measurement Appropriate To Specific Purposes (AREA)
Abstract
The present invention provides a kind of automatic staircase comb plate safety protection switch trigger force measuring device and measuring method, fixed structure, pressure drive mechanism and pull or press force test Standard are in main structure, measuring device is fixed on appropriate location by fixed structure, the flexible of detector is controlled by thread transmission, the scene of automatic staircase comb plate stress in simulation of real scenes, trigger safety switch, measure the fishback safety switch trigger force, adjust safety switch trigger mechanism, the fishback safety switch trigger force is set to be in set safe trigger force range, ensure escalator normal safe operation；The apparatus structure advantages of simple, measurement is quick and precisely, it is only necessary to which operation adjustment can be completed in a people, substantially increase safety, the reliability of escalator operation, detection human cost is saved simultaneously, improves detection efficiency, is had great importance to escalator safe operation.
Description
Technical field
The invention belongs to extraordinary technical field of the electromechanical equipment, and in particular to a kind of automatic staircase comb plate safety protection switch
Trigger force measuring device and measuring method.
Background technique
Escalator using increasingly coming frequently, or even has changed into a daily essential basis and sets daily
It applies, escalator in the process of running, inevitably will appear certain foreign matters and be caught in the fishback of escalator, at this moment
If elevator continues to run, the generation of safety accident inevitably will cause, therefore in the safe fishback for going out, entering end of escalator
Automatic staircase comb plate safety guard will be generally arranged in place；During escalator operation, usual safeguard protection
Device, which is laid in below floor plates, to be arranged under escalator or moving sidewalk entrance, the metal plate connecting with fishback
Face, and safety guard is connected with safety protection switch, and safety protection switch works as generation for triggering safety guard
When foreign matter is caught between fishback and step pedal, generates interaction force and the floor plates being connected with fishback is driven to move in turn
It is dynamic, so that the safety switch triggering being connected with floor plates bottom, so that escalator is out of service, is pacified with protection staff
Entirely；But in actual moving process, safety protection switch is possible to make because of the too small or excessive of trigger force setting
Escalator cannot be closed according to the actual situation；Therefore, the trigger force size needed to safety protection switch is surveyed
Amount, and then be adjusted to set accurate trigger force to be the premise that guarantees safety guard and can work normally；But
The existing detection about automatic staircase comb plate safety protection switch pushes or pulls comb only with simple tool
Tooth plate, detects whether it can trigger safety switch, does not measure accurately power needed for triggering, this detection method is only capable of
Whether detection safety switch triggering fails, the adjustment not substantive help to safe trigger force, and two people is needed to cooperate
At detection.
Accordingly, it is desirable to provide a kind of be directed to the insufficient improved technology scheme of the above-mentioned prior art.
Summary of the invention
The purpose of the present invention is overcome the above-mentioned safety protection switch of automatic staircase comb plate in the prior art detection scheme without
Method measures the size of trigger force, and can be only capable of detection safety switch be triggered, and cannot be opened according to the accurate adjustment safeguard protection of measurement
Close trigger force, it is more to testing staff's quantitative requirement the problems such as.
To achieve the goals above, the present invention provides the following technical solutions：
A kind of automatic staircase comb plate safety protection switch provided by the invention triggers force measuring device, measuring device packet
It includes：Main structure, fixed structure, pressure drive mechanism and pull or press force test structure；
Main structure, the main structure are provided with guide rail and bearing block, for assembling fixed structure, pressure transmission knot
Structure and pull or press force test structure；
Fixed structure, the fixed structure are assemblied in the main structure, for fixing the measuring device, so as into
Row pull or press force test；
Pressure drive mechanism, the pressure drive mechanism is located in the main structure, for operating strut and tie
It is flexible, to trigger safety switch, the measurement of pressure is carried out convenient for pull or press force test structure；
Pull or press force test structure, the pull or press force test structure include pull pressure sensor and pressure display；It is described
Pull pressure sensor is located in the pressure drive mechanism, and measurement strut and tie is born during execution transmitting
Pressure.
A kind of automatic staircase comb plate safety protection switch as described above triggers force measuring device, it is preferable that fixed knot
Structure includes：
Block structure is clamped, there are two the gripping block structure settings, and the clamping block structure passes through with the main structure
Guide rail connection, convenient for adjusting the span of gripping block according to measurement position tyre tread comb teeth groove width；Each clamping block structure packet
Include locking mechanism and guide rail mating surface；
Preferably, the gripping block for clamping block structure connect the dovetail that guide rail uses slide rail form with measuring device
Slot-rectangular guideway；
More preferably, each clamping block structure includes two identical locking mechanisms.
A kind of automatic staircase comb plate safety protection switch as described above triggers force measuring device, it is preferable that locking knot
Structure includes：
It locks driving lever, the locking driving lever and eccentric wheel and is driven coaxial by rotation axis connection by rotation lock driving lever
Eccentric wheel rotation；
Eccentric wheel, the eccentric wheel are assemblied in the mounting hole that the gripping block bottom is set, and rotation axis is installed on eccentric wheel
In through-hole above mounting hole, by the rotation of the eccentric wheel, cooperates with clamp clip and realize clamping and unclamp；
Clamp clip, the clamp clip are two parallel sheet knots that the gripping block bottom eccentric wheel side protrudes
Structure, the clamp clip for closing on eccentric wheel is movable clamping piece, and parallel with movable clamping piece is to fix to clamp piece, movable clamping piece two
Side and one end are machined with the hole through gripping block top and bottom, so that movable clamping piece is only had one end and connect with gripping block, convenient for bias
Wheel rotation changes the gap between two clamp clips, to realize clamping and release the extrusion and displacement of movable clamping piece.
A kind of automatic staircase comb plate safety protection switch as described above triggers force measuring device, it is preferable that pressure
Drive mechanism includes：
Rotating lever, the rotating lever are assemblied on the input shaft of gear drive, convenient for being turned by rotation
Dynamic driving lever, drives gear drive and the operating of structure；
Gear drive, the gear drive include a pair of intermeshing angular wheel, respectively input tooth
Wheel and output gear, rotation of the rotating lever by angular wheel mechanism by the rotation conversion of vertical direction horizontally；
Drive socket, the main structure is respectively arranged with bearing block in drive socket both ends corresponding position, described
Drive socket is connect with main structure by bearing；The output gear is located at described drive socket one end and same with drive socket
Axis connection；Screw thread is set in the drive socket；
Screw putter, the screw putter are located in the drive socket, and are connected through a screw thread with the drive socket
Form threading action pair；Described screw putter one end is homalocephalus axle construction, and the homalocephalus axle construction is assemblied in the measuring device
In guide groove in main structure, is limited by threading action pair and guide groove, the rotation of drive socket is converted into screw thread and is pushed away
The linear motion of bar；
Pull pressure sensor, one end of the pull pressure sensor is connect with the other end of the screw putter, for passing
Pass the movement of screw putter；
Ball twists, and the ball twists the inside of spherical groove for being located at the setting of described strut and tie one end, and with the pull pressure sensor
The other end connection, for transmitting the movement of pull pressure sensor；
Strut and tie, the end that the strut and tie is located at the pressure drive mechanism are drawn for contacting face to be detected
The transmitting of pressure, the strut and tie are assemblied in the main structure and are connect with the main structure by rectangular slide guide rail,
It is twisted with screw putter, pull pressure sensor, ball along same straight reciprocating motion to realize.
A kind of automatic staircase comb plate safety protection switch as described above triggers force measuring device, it is preferable that conical tooth
Wheel includes that a gear wheel and a pinion gear, the pinion gear are assemblied on the input shaft, realizes that a gear subtracts
Fast mechanism.
A kind of automatic staircase comb plate safety protection switch as described above triggers force measuring device, it is preferable that strut and tie
Head be provided with barb, convenient for detect by move up and down triggering safety protection switch.
A kind of automatic staircase comb plate safety protection switch as described above triggers force measuring device, it is preferable that described solid
Determining structure further includes bracket, and the bracket is provided with hangers slot, and main structure is fixed on bracket by hangers slot, convenient for measurement
The trigger force size of vertical movement triggering safety switch.
As above the measurement method of any one automatic staircase comb plate safety protection switch triggering force measuring device, preferably
Ground, measurement method include the following steps：
S1, the trigger force size of measurement horizontal movement triggering safety switch；
S2, the trigger force size of measurement vertical movement triggering safety switch.
A kind of measurement method of automatic staircase comb plate safety protection switch triggering force measuring device as described above, preferably
Ground, step S1 include the following steps：
S11, the rotating lever above rotation pinion drive strut and tie to shrink, before test device is placed on fishback
On the step tyre tread at end, contact strut and tie front end with fishback；
S12 lock onto test device on step tyre tread by rotation lock dead man；
S13, the rotation dead man above rotation pinion drives strut and tie to stretch out, to push fishback to move, in safety
Switch the gear that stops operating immediately when being triggered；
S14 reads the maximum thrust generated in pushing course by pressure display, and recording the thrust is the fishback
The trigger force of horizontal movement triggering safety switch.
A kind of measurement method of automatic staircase comb plate safety protection switch triggering force measuring device as described above, preferably
Ground, step S2 include the following steps：
S21, the rotating lever above rotation pinion drive strut and tie to stretch out, will be in test device and bracket riser
Hangers slot carries out pin shaft connection, adjusts the position of bracket and measuring device, contacts strut and tie front end barb with fishback；
S22, tester's both feet are stepped on bracket transverse slat, and bracket is in stable state in holding test process；
S23, the rotation dead man above rotation pinion drives strut and tie to shrink, to pull fishback to move, in safety
Switch the gear that stops operating immediately when being triggered；
S24 reads the maximum thrust generated in pushing course by pressure display, and recording the thrust is the fishback
The trigger force of horizontal movement triggering safety switch.
Compared with the immediate prior art, technical solution provided by the invention has following excellent effect：
A kind of automatic staircase comb plate safety protection switch trigger force measuring device and measuring method provided by the invention are led to
The flexible of thread transmission control detector is crossed, automatic staircase comb plate stress triggering safety switch in simulation of real scenes
Scene triggers the safety switch of horizontal direction and the safety switch of vertical direction, in process of the stress until triggering safety switch
In, power required for fishback triggering safety switch is measured, according to the power measured, in conjunction with ensuring safety in actual moving process
In the case where set reasonable trigger force, adjust safety switch trigger mechanism, make at the fishback safety switch trigger force
In set range, it is ensured that escalator normal safe operation.Apparatus structure is simple, and measurement is accurate, it is only necessary to a people
Operation adjustment is completed, safety, the reliability of escalator operation is substantially increased, while saving detection human cost, mentions
High detection efficiency.Have great importance to escalator safe operation.
Detailed description of the invention
Fig. 1 is the measuring device overall structure diagram in the embodiment of the present invention；
Fig. 2 is the measuring device overall structure main view in the embodiment of the present invention；
Fig. 3 is the measuring device overall structure left view in the embodiment of the present invention；
Fig. 4 is the measuring device overall structure top view in the embodiment of the present invention；
Fig. 5 is the A-A diagrammatic cross-section of measuring device locking mechanism in Fig. 4；
Fig. 6 is the overall structure B-B diagrammatic cross-section of measuring device in Fig. 4；
Fig. 7 is the horizontal trigger force instrumentation plan of safety switch in the embodiment of the present invention；
Fig. 8 is the vertical trigger force instrumentation plan of safety switch in the embodiment of the present invention；
Fig. 9 is the flow chart of the measurement method in the embodiment of the present invention；
Figure 10 is the specific flow chart of the step S1 in Fig. 9；
Figure 11 is the specific flow chart of the step S2 in Fig. 9.
In figure：11, gripping block A；12, gripping block B；13, driving lever is locked；14, eccentric wheel；15, clamp clip；16, bracket；2,
Main structure；21, hangers；31, rotating lever；32, pinion gear；33, drive socket；34, screw putter；35, pressure senses
Device；36, flexural pivot；37, strut and tie；4, pressure display；5, step；6, measuring device；7, fishback；81, horizontal triggering peace
Full switch；82, safety switch is vertically triggered.
Specific embodiment
The technical scheme in the embodiments of the invention will be clearly and completely described below, it is clear that described implementation
Example is only a part of the embodiments of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, this field is general
Logical technical staff's every other embodiment obtained, shall fall within the protection scope of the present invention.
The present invention will be described in detail below with reference to the accompanying drawings and embodiments.It should be noted that in the feelings not conflicted
Under condition, the feature in embodiment and embodiment in the present invention be can be combined with each other.
In the description of the present invention, the orientation or positional relationship of instruction is to be based on the orientation or positional relationship shown in the drawings,
It is merely for convenience of the description present invention rather than requires the present invention that must be constructed and operated in a specific orientation, therefore cannot understand
For limitation of the present invention.Term used in the present invention " connected ", " connection " shall be understood in a broad sense, for example, it may be fixed
Connection, may be a detachable connection；It can be directly connected, can also be indirectly connected by intermediate member, for this field
Those of ordinary skill for, can understand the concrete meaning of above-mentioned term as the case may be.
It is as shown in Figure 1 the measuring device overall structure diagram in the embodiment of the present invention, the present invention provides a kind of automatic
Stair comb plate safety protection switch triggers force measuring device, and measuring device 6 includes：Main structure 2, fixed structure, pressure
Drive mechanism and pull or press force test structure；
Main structure 2 is provided with guide rail and bearing block, for assembling carrying fixed structure, pressure drive mechanism and tension and compression
Power measurement structure.
Fixed structure is assemblied in main structure 2, fixation measuring device 6 is used for, to carry out pull or press force test；Fixed knot
Structure includes that two clamping block structures are respectively gripping block A11 and gripping block B12, gripping block A11 and gripping block B12 respectively with measurement
The main structure 2 of device 6 is connected by dovetail groove-rectangular guideway form slide rail, convenient for being combed according to measurement position tyre tread
The width of tooth socket is adapted the two to adjust the span of gripping block；Gripping block A11 and gripping block B12 respectively includes two lockings
Structure and guide rail mating surface；As shown in Figure 1 and Figure 5, locking mechanism includes locking driving lever 13, eccentric wheel 14 and clamp clip 15,
During use, clamp clip 15 is put into tyre tread comb teeth slot, is rotated by rotation locking driving lever 13 with movable eccentric wheel 14, into
And clamp clip 15 is squeezed, so that clamp clip 15 is clamped tyre tread comb teeth, to achieve the purpose that fixed.
Fixed structure further includes bracket 16 in the embodiment of the present invention, and the bracket is provided with hangers slot, and main structure is logical
It crosses hangers slot to be fixed on bracket, moves vertically convenient for measurement and trigger the trigger force size of safety switch.
As shown in fig. 6, pressure drive mechanism is located in 6 main structure 2 of measuring device, for operating stretching for strut and tie 37
Contracting carries out the measurement of pressure convenient for pull or press force test structure to trigger safety switch；Pressure drive mechanism includes rotation
Driving lever 31, gear drive, drive socket 33, screw putter 34, pull pressure sensor 35, ball twist 36 and strut and tie 37.
Gear drive using a pair of of angular wheel, in order to reduce push rotating lever 31 needed for power, while making to draw
The movement of compression bar 37 is slowly controllable, and angular wheel includes the deceleration mechanism an of gear wheel and a pinion gear 32 composition, rotation
The rotation axis of driving lever 31 and pinion gear 32 are coaxially connected, and pinion gear 32 is engaged with gear wheel, and rotating lever 31 passes through angular wheel
The rotation for being converted into horizontal axis of vertical axial, gear wheel are located at 33 one end of drive socket and and drive socket by mechanism
33 is coaxially connected；2 inner cavity of the main structure setting of measuring device 6 is there are two bearing block, and the both ends of drive socket 33 are respectively with two
A bearing block is corresponding, and drive socket 33 is connect with the main structure 2 of measuring device 6 by bearing；Screw thread is set in drive socket 33,
Screw putter 34 is located in drive socket 33, and is connected through a screw thread composition threading action pair with drive socket 33；Screw putter
34 one end are homalocephalus axle construction, offer the guide groove of rectangle in the main structure 2 and homalocephalus axis corresponding position of measuring device 6,
Homalocephalus axle construction is interspersed in the guide groove in the main structure 2 of measuring device 6, and screw putter 34 is limited by guide groove
Rotation is transported the straight line for being converted to screw putter 34 of drive socket 33 by the setting of threading action pair and guide groove
It is dynamic；The other end of screw putter 34 is connect with one end of pull pressure sensor 35, the other end of pull pressure sensor 35 and tension and compression
Bar 37 twists 36 by ball and is attached；As shown in Figure 1, the head of strut and tie 37 is provided with the barb with comb teeth slot, it is convenient for
The lower edge of fishback 7 is caught on when the safety protection switch that detection is triggered by up and down motion.
Pull or press force test structure includes pull pressure sensor 35 and pressure display 4；Pull pressure sensor 35, which is located at, draws
In pressure actuation structure, the pressure that strut and tie 37 is born is measured during execution transmitting.Pressure display 4
It is connect with the upper plane of the strut and tie 37, pressure display 4 is connect with pull pressure sensor 35 by data line, for connecing
By the power that pull pressure sensor 35 measures, by data processing, simultaneously real-time display on a display screen, facilitates tester to read.
In the present embodiment, pressure display 4 has memory function, alarm function and Bluetooth function；Pressure is shown
Device 4 has memory function, can recorde 20 the recently measured data, can be leafed through recently by the button beside display screen
20 measurement data；Pressure display 4 is also equipped with alarm function, and the function can be used when adjusting safety switch trigger force
Can, according to the maximum pressure of the reasonable pressure range of setting, early warning pulling force and early warning pressure are set in advance, when pressure reaches
When to early warning pulling force or early warning pressure, pressure display 4 directly beeps, and illustrates that 7 safety switch of fishback triggers
Power is excessive, and staircase encounters that foreign matter is fashionable to be stopped in time when running, and threatens the safety of passenger, can stop measuring at this time, adjusts
Whole safety switch, until zone of reasonableness of the trigger force in setting；Alarm function can prevent 6 stress of measuring device excessive and damage
It is bad；Pressure display 4 is also equipped with Bluetooth function, and the tension and compression force data measured can be passed through to Bluetooth transmission to mobile phone, plate
The mobile clients such as computer, mobile client can store a plurality of measurement data, and the entire measurement situation of later period statistics is facilitated to obtain
The qualification rate of staircase safety switch.
When measuring safety switch trigger force, measuring device 6 and strut and tie 37 are adjusted to position appropriate, will entirely be measured
Device 6 is fixed on step 5 or bracket 16, is stirred rotating lever 31 with hand and is rotated, coaxial pinion gear 32 is driven to rotate, small
Rotation is passed to the gear wheel being engaged with by gear 32, and gear wheel drives coaxially connected drive socket 33 to rotate together, spiral shell
The rotation of drive socket 33 is converted to linear expansion by line push rod 34, and screw putter 34 drives the pull pressure sensor being attached thereto
35 is flexible, and pull pressure sensor 35 twists 36 by ball and the movement of screw putter 34 is passed to strut and tie 37, drives strut and tie 37
It is flexible, meanwhile, pull pressure sensor 35 twists the power that 36 measurement strut and ties 37 are passed over by ball, and the data measured are passed through
Data line passes to pressure display 4, pressure display 4 by after data processing as measured by display screen real-time display
Power.
As shown in Fig. 9~11, the present invention also provides a kind of measurements of automatic staircase comb plate safety protection switch trigger force
The measurement method of device 6, includes the following steps：
S1, the trigger force size of measurement horizontal movement triggering safety switch, concrete operation step are as follows：
S11, as shown in fig. 7, the rotating lever 31 of 32 top of rotation pinion, makes strut and tie 37 be in contraction state；It will
Test device 6 is placed on 5 tyre tread of step of 7 front end of fishback, adjust test device 6 position, make 37 front end of strut and tie with
Fishback 7 contacts.
S12 adjusts the span of gripping block A11 and gripping block B12, is caught in clamp clip 15 in tyre tread comb teeth slot, rotation lock
Tight dead man lock onto test device 6 on 5 tyre tread of step.
S13 opens pressure display 4, and the rotation dead man of 32 top of uniform rotation pinion gear drives strut and tie 37 to stretch out,
To push fishback 7 to move, stop operating gear immediately when level triggering safety switch 81 is triggered.
S14 reads the maximum generated in pushing course by the pressure display 4 being arranged on strut and tie 37 and pushes away
Power, recording the thrust is the trigger force that the fishback horizontal movement triggers safety switch 81.
S2, the trigger force size of measurement vertical movement triggering safety switch, concrete operation step are as follows：
S21, as shown in figure 8, the rotating lever 31 of 32 top of rotation pinion, makes strut and tie 37 be in stretching state, it will
The hangers slot of hangers 21 and bracket 16 in test device 6 carries out pin shaft connection, adjusts the position of bracket 16 and measuring device 6,
Contact 37 front end barb of strut and tie with fishback 7.
S22, tester's both feet are stepped on 16 transverse slat of bracket, and bracket 16 is in stable state in guarantee test process.
S23 opens pressure display 4, and the rotation dead man of 32 top of uniform rotation pinion gear drives strut and tie 37 to shrink,
To pull fishback 7 to move, stop operating gear immediately when vertically triggering safety switch 82 is triggered.
S24 reads the maximum drawing generated in drawing process by the pressure display 4 being arranged on strut and tie 37
Power records the trigger force that the pulling force is fishback vertical movement triggering safety switch.
Above step S1 and step S2 is one kind of the embodiment of the present invention, and the two has no sequencing.
In conclusion automatic staircase comb plate safety protection switch triggering force measuring device provided by the invention and measurement side
Method controls the flexible of strut and tie by thread transmission, automatic staircase comb plate stress triggering safety in simulation of real scenes
The scene of switch triggers the safety switch of horizontal direction and the safety switch of vertical direction, measures fishback triggering safety open
Power required for closing, according to the power measured, in conjunction with ensuring set reasonable touching in the case where safety in actual moving process
It has an effect, adjusts safety switch trigger mechanism, so that the fishback safety switch trigger force is in set range, it is ensured that help automatically
Terraced normal safe operation；Apparatus structure advantages of simple, measurement is quick and precisely, it is only necessary to which operation adjustment can be completed in a people, significantly
Safety, the reliability of escalator operation are improved, while saving detection human cost, improves detection efficiency.To certainly
Dynamic staircase safe operation has great importance.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Mind and principle within, any modification, equivalent replacement, improvement and so on, accompanying claims protection scope of the present invention it
It is interior.
Claims (10)
1. a kind of automatic staircase comb plate safety protection switch triggers force measuring device, which is characterized in that the measuring device packet
It includes：Main structure, fixed structure, pressure drive mechanism and pull or press force test structure；
Main structure, the main structure are provided with guide rail and bearing block, for assemble fixed structure, pressure drive mechanism and
Pull or press force test structure；
Fixed structure, the fixed structure are assemblied in the main structure, for fixing the measuring device, to be drawn
Pressure measurement；
Pressure drive mechanism, the pressure drive mechanism are located in the main structure, for operating the flexible of strut and tie,
To trigger safety switch, the measurement of pressure is carried out convenient for pull or press force test structure；
Pull or press force test structure, the pull or press force test structure include pull pressure sensor and pressure display；The tension and compression
Force snesor is located in the pressure drive mechanism, the tension and compression that measurement strut and tie is born during execution transmitting
Power.
2. a kind of automatic staircase comb plate safety protection switch as described in claim 1 triggers force measuring device, feature exists
In the fixed structure includes：
Block structure is clamped, there are two the gripping block structure settings, and the clamping block structure and the main structure pass through guide rail
Connection, convenient for adjusting the span of gripping block according to measurement position tyre tread comb teeth groove width；Each clamping block structure includes
Locking mechanism and guide rail mating surface；
Preferably, the gripping block for clamping block structure connect the dovetail groove-that guide rail uses slide rail form with measuring device
Rectangular guideway；
More preferably, each clamping block structure includes two identical locking mechanisms.
3. a kind of automatic staircase comb plate safety protection switch as claimed in claim 2 triggers force measuring device, feature exists
In the locking mechanism includes：
Driving lever is locked, the locking driving lever and eccentric wheel are by rotating axis connection, by rotation lock driving lever, drive coaxial inclined
The rotation of heart wheel；
Eccentric wheel, the eccentric wheel are assemblied in the mounting hole that the gripping block bottom is set, and rotation axis is installed on eccentric wheel installation
In through-hole above hole, by the rotation of the eccentric wheel, cooperates with clamp clip and realize clamping and unclamp；
Clamp clip, the clamp clip are two parallel laminated structures that the gripping block bottom eccentric wheel side protrudes, and are faced
The clamp clip of nearly eccentric wheel is movable clamping piece, and parallel with movable clamping piece is to fix to clamp piece, movable clamping piece two sides and
One end is machined with the hole through gripping block top and bottom, so that movable clamping piece is only had one end and connect with gripping block, convenient for eccentric rotation
The dynamic extrusion and displacement to movable clamping piece, changes the gap between two clamp clips, to realize clamping and release.
4. a kind of automatic staircase comb plate safety protection switch as described in claim 1 triggers force measuring device, feature exists
In the pressure drive mechanism includes：
Rotating lever, the rotating lever are assemblied on the input shaft of gear drive, convenient for being dialled by rotary motion
Bar drives gear drive and the operating of structure；
Gear drive, the gear drive include a pair of intermeshing angular wheel, respectively input gear and
Output gear, rotation of the rotating lever by angular wheel mechanism by the rotation conversion of vertical direction horizontally；
Drive socket, the main structure are respectively arranged with bearing block, the transmission in drive socket both ends corresponding position
Sleeve is connect with main structure by bearing；The output gear is located at described drive socket one end and coaxially connects with drive socket
It connects；Screw thread is set in the drive socket；
Screw putter, the screw putter are located in the drive socket, and are connected through a screw thread composition with the drive socket
Threading action pair；Described screw putter one end is homalocephalus axle construction, and the homalocephalus axle construction is assemblied in the main structure
In guide groove, limited by threading action pair and guide groove, by the linear motion for being converted to screw putter of drive socket；
Pull pressure sensor, one end of the pull pressure sensor is connect with the other end of the screw putter, for transmitting spiral shell
The movement of line push rod；
Ball twists, and the ball twists the inside of spherical groove for being located at the setting of strut and tie one end, and the other end with the pull pressure sensor
Connection, for transmitting the movement of pull pressure sensor；
Strut and tie, the strut and tie are located at the end of the pressure drive mechanism, for contacting face to be detected, carry out pressure
Transmitting, the strut and tie is assemblied in the main structure and connect with the main structure by rectangular slide guide rail, thus
It realizes and twists with screw putter, pull pressure sensor, ball along same straight reciprocating motion.
5. a kind of automatic staircase comb plate safety protection switch as claimed in claim 4 triggers force measuring device, feature exists
In the angular wheel includes that a gear wheel and a pinion gear, the pinion gear are assemblied on the input shaft, real
An existing gear reduction.
6. a kind of automatic staircase comb plate safety protection switch as claimed in claim 4 triggers force measuring device, feature exists
In the head of the strut and tie is provided with barb, convenient for detecting by the safety protection switch for the triggering that moves up and down.
7. a kind of automatic staircase comb plate safety protection switch as claimed in claim 2 triggers force measuring device, feature exists
In the fixed structure further includes bracket, and the bracket is provided with hangers slot, and main structure is fixed on bracket by hangers slot
On, it moves vertically convenient for measurement and triggers the trigger force size of safety switch.
8. a kind of trigger force measuring device using any one of the claim 1-7 automatic staircase comb plate safety protection switch
Measurement method, which is characterized in that the measurement method includes the following steps：
S1, the trigger force size of measurement horizontal movement triggering safety switch；
S2, the trigger force size of measurement vertical movement triggering safety switch.
9. measurement method as claimed in claim 8, which is characterized in that the step S1 includes the following steps：
S11, the rotating lever above rotation pinion drive strut and tie to shrink, test device are placed on comb teeth front edge of board
On step tyre tread, contact strut and tie front end with fishback；
S12 lock onto test device on step tyre tread by rotation lock dead man；
S13, the rotation dead man above rotation pinion drives strut and tie to stretch out, to push fishback to move, in safety switch
Stop operating gear immediately when being triggered；
S14 reads the maximum thrust generated in pushing course by pressure display, and recording the thrust is that the fishback is horizontal
The trigger force of motion triggers safety switch.
10. measurement method as claimed in claim 8, which is characterized in that the step S2 includes the following steps：
S21, the rotating lever above rotation pinion drive strut and tie to stretch out, by the hangers in test device and bracket riser
Slot connection, adjusts the position of bracket and measuring device, contacts strut and tie front end barb with fishback；
S22, tester's both feet are stepped on bracket transverse slat, and bracket is in stable state in holding test process；
S23, the rotation dead man above rotation pinion drives strut and tie to shrink, to pull fishback to move, in safety switch
Stop operating gear immediately when being triggered；
S24 reads the maximum pull generated in drawing process by pressure display, and recording the pulling force is that the fishback is vertical
The trigger force of motion triggers safety switch.
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| CN108892024B (en) | 2024-04-05 |
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Effective date of registration: 20240603 Address after: 510663 No.9, Keke Road, Huangpu District, Guangzhou City, Guangdong Province Patentee after: Guangzhou Special Equipment Testing and Research Institute (Guangzhou Special Equipment Accident Investigation Technology Center Guangzhou Elevator Safety Operation Monitoring Center) Country or region after: China Address before: 6 / F, Liurong building, 65 Liurong Road, Yuexiu District, Guangzhou, Guangdong 510180 Patentee before: GUANGZHOU ACADEMY OF SPECIAL EQUIPMENT INSPECTION & TESTING Country or region before: China |