CN107902511B - A kind of detection device of elevator lift car load limit value - Google Patents
A kind of detection device of elevator lift car load limit value Download PDFInfo
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- CN107902511B CN107902511B CN201711082445.9A CN201711082445A CN107902511B CN 107902511 B CN107902511 B CN 107902511B CN 201711082445 A CN201711082445 A CN 201711082445A CN 107902511 B CN107902511 B CN 107902511B
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- detection
- lift car
- gear
- strut
- long handle
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
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- Force Measurement Appropriate To Specific Purposes (AREA)
- Types And Forms Of Lifts (AREA)
Abstract
The invention discloses a kind of detection devices of elevator lift car load limit value, including detection power section and detection execution part.Detection power section includes a pair of strut setting up and down, and detection execution part is equipped with pressure sensor.The top of carriage is equipped with pull ring, under the driving of detection power section, a pair of of strut is inserted into pull ring and carriage respectively first, then struts, the strut being located above lifts carriage, and the pressure sensor for being located below the detection execution part of strut end is pressed on the bottom plate of lift car.A pair of of strut persistently struts, until carriage occurs deforming or crack, at this point, passing through pressure sensor, it is known that the pressure that car-floor is born, which is the limiting value that lift car can bear.
Description
Technical field
The present invention relates to the detections of elevator, and in particular to the detection device of elevator lift car load limit value.
Background technique
Elevator load test device is a kind of for testing the device of elevator load, and application No. is CN201620738242.5
Utility model patent file disclose a kind of elevator load test device, including left side bar, right-hand rod, mandril and hydraulic cylinder,
And the bottom output end of hydraulic stem is provided with support rod, the bottom of support rod is provided with pressure sensor；Mandril includes left spiral shell
Line pipe, threaded rod and right-hand thread pipe, the right end of left side bar is provided with left placing groove, and the pearl axis that rolls left is provided in left placing groove
It holds, the left end of right-hand rod is provided with right placing groove, and right ball bearing is provided in right placing groove；Further include left connection frame and
Right connection frame, hydraulic cylinder, support rod and pressure sensor are two groups.
Summary of the invention
How technical problem solved by the invention: easily testing elevator load ability, improves test elevator load energy
The validity of power.
In order to solve the above technical problems, the invention provides the following technical scheme: a kind of detection of elevator lift car load limit value
Equipment, including detection power section and by the detection execution part of the detection power section driving, detection execution part is equipped with
Pressure sensor, under the driving of detection power section, the pressure sensor is pressed on the bottom plate of lift car；The inspection
Surveying power section includes hollow long handle, and long handle end part is open, and is set in the hollow cavity of long handle there are two storage device, two are stored
Device along the hollow cavity circumference to being uniformly distributed；
Any storage device includes linear drives component, the rotary components connecting with linear drives component, is located at long pommel
The rotary drive assembly of portion's opening, rotary components described in the linear drives Component driver are moved along the length direction straight line of long handle
Dynamic, when the rotary components are run to long handle end part opening, the rotary drive assembly drives the rotary components rotation；Often
Strut is installed on one rotary components；
The detection execution part includes that detection executes matrix, and the pressure sensor is mounted on the bottom that detection executes matrix
Portion；Two storage devices are setting up and down, and correspondingly, the strut of two storage devices is setting up and down, and the detection executes matrix hinge
It connects in underlying strut end；
The strut is horizontally disposed, and detection, which executes, has a certain distance between matrix and ground, which is less than elevator
The height of carriage.
According to the above technical scheme, a kind of working principle of the detection device of elevator lift car load limit value of the present invention is such as
Under: the top of lift car is equipped with pull ring, and lift car is placed on the ground, and detection power section is located at the side of lift car
And the entrance towards lift car；Original state, strut are completely hidden in the hollow cavity of long handle；When detection, linear drives group
Part driving rotary components move linearly to long handle end part opening, and the rotary components stretch out the hollow cavity of long handle with strut,
Later, rotary drive assembly drives the rotary components to rotate to long handle lateral direction, rotary components with strut thereon to
The rotation of long handle lateral direction, in this way, two struts are in softened state, it is in splayed；When above-mentioned strut stretches out long handle hollow cavity,
In the pull ring for the strut straight line insertion elevator car roof being located above in two struts, underlying strut in two struts
Straight line protrudes into the entrance of lift car, and detection thereon executes matrix and is located in lift car, in this way, when two struts support up and down
When opening, the strut being located above first lifts lift car, and lift car bottom is detached from ground and is located below strut later
The detection of end executes matrix and is pressed on the bottom plate of lift car, and the bottom plate of pressure sensor and lift car thereon connects
Touching；Two struts continue to strut up and down, and the strut being located above pulls up lift car, is located below the detection of strut end
It executes matrix to be pressed downward the bottom plate of lift car, until lift car occurs deforming or crack, at this point, passing through pressure sensing
Device, it is known that the pressure that car-floor is born, which is the limiting value that lift car can bear.
Above-mentioned technical proposal, the real work scene of simulant elevator carriage, elevator car roof are lifted, and are equivalent to we
The strut pull-up lift car being located above in case multiplies someone or object in lift car, is equivalent in this programme and is located below support
The detection execution part of boom end pushes elevator car floor.It so, it is possible to improve the effective of lift car detection the data obtained
Property.
Above-mentioned technical proposal, lift car are placed on the ground, and pull ring, later, inspection of the present invention are installed in top
Lift car can be lifted and is measured to its load limit by measurement equipment, easy to operate.
The rotary components include internal screw thread block, the spill spin block with the pivot joint of internal screw thread block, and the strut is mounted on the rotation
On switch block；The linear drives component includes the linear movement threaded rod being articulated in long handle hollow cavity, and spiral shell is used in linear movement
Rasp bar is spirally connected with the internal screw thread block.
The end of spill spin block is equipped with first gear, and the rotary drive assembly is equipped with the rack gear of one section of arc shape, and rotation is driven
Dynamic component is articulated in long handle end part opening, when the rotary components move linearly to long handle end part opening, rotates driving group
Part rotation, drives the rack gear to rotate, the rotation of first gear described in rack drives.
The rotary drive assembly includes the rotating ring that a bottom opens up notch, and the inside of rotating ring is arranged in the rack gear
On wall, the rotation centerline of rotating ring deviates the rotation centerline of first gear.
As described above, the linear movement is manually or electrically driven to be rotated with threaded rod, internal screw thread block is along described hollow
The side wall of chamber moves linearly, and internal screw thread block is mobile with spill spin block and first gear synchronous linear, and spill spin block is with strut straight line
It is mobile.The first gear and spill spin block of linear movement pass through the bottom notch of rotating ring, and the first gear is located in rotating ring,
At this point, strut protrudes long handle completely.Later, rotating ring rotates, and drives rack gear thereon to rotate, due in the rotation of rotating ring
The heart deviates the rotation center of first gear, and rotating ring rotates a circle, and rack gear engages once with first gear, rotating ring rotation two
Week, rack gear engage twice with first gear, until the strut of spill spin block driving thereon rotates predetermined angular to the outside of long handle.
Rotate the degree that two struts of predetermined angular drive lift car to reach deformation or cracking.
The rotary drive assembly is equipped with the first worm gear, and the first worm gear is engaged with the first worm screw, and the first worm screw is articulated in length
In handle hollow cavity.First worm gear is engaged with the first worm screw with self-locking, and under its driving, the notch on rotating ring can be quasi-
It is really reset to the bottom of rotating ring, is protruded into the rotating ring convenient for first gear.
The end of first worm screw is equipped with second gear, and the second gear at two the first worm screw end ends is nibbled with third gear simultaneously
It closes, the gear shaft of third gear extends to the other end of long handle.
The bottom end of linear movement threaded rod is equipped with the 4th gear, two linear movements the 4th gear of screw thread boom end
It is engaged simultaneously with the 5th gear, the gear shaft of the 5th gear extends to the other end of long handle.
5th gear is located at the side of third gear, and the gear shaft of the 5th gear is hollow, the gear shaft activity of third gear
It is plugged in the gear shaft of the 5th gear, the gear shaft of third gear is mounted in the gear shaft of the 5th gear by bearing.
The end of the gear shaft of the gear shaft and third gear of 5th gear is equipped with revolving part, and user rotates institute respectively
Third gear and the 5th gear can be controlled respectively by stating two revolving parts.Wherein, the revolving part of the gear shaft end of the 5th gear
Equipped with scale, the rotation angle of the 5th gear is accurately controlled convenient for user, and then accurately controls the straight line of rotary components
Displacement.
The long handle is mounted on the rack, and the bottom of rack is equipped with idler wheel and positioning device, so, it is convenient to which movement is originally
The invention detection device when strutting convenient for two struts, is located below with adjusting the distance between strut and lift car
The detection matrix bottom of strut end can effectively concora crush be on the bottom plate of lift car, alternatively, can effectively concora crush exist
Elevator car floor needs detection zone.
The floor space that detection executes matrix is less than or equal to the floor space of lift car, and several pressure sensors are distributed in inspection
Survey the bottom for executing matrix.Be designed in this way, detection execute matrix and pressure sensor thereon can multiple spot detect lift car
Bearing capacity, alternatively, capableing of the bearing capacity of complete detection lift car.
Detailed description of the invention
Following further describes the present invention with reference to the drawings:
Fig. 1 is a kind of structural schematic diagram of the detection device of elevator lift car load limit value of the present invention；
Fig. 2 is the structural schematic diagram that power section 1 is detected in Fig. 1；
Fig. 3 is the left view of Fig. 2；
Fig. 4 is the structural schematic diagram of storage device 20 in Fig. 2；
Fig. 5 is the right view of Fig. 4；
Fig. 6 is the structural schematic diagram of rotary drive assembly 40 in Fig. 5；
Fig. 7 is the right view of Fig. 6；
Fig. 8 is A-A cross-sectional view in Fig. 7.
Symbol description in figure:
1, power section is detected；
10, long handle；100, hollow cavity；
20, storage device；
30, rotary components；31, internal screw thread block；32, spill spin block；33, first gear；
40, rotary drive assembly；41, rack gear；42, notch；43, rotating ring；44, the first worm gear；
50, strut；
60, threaded rod is used in linear movement；61, the 4th gear；62, the 5th gear；
70, the first worm screw；71, second gear；72, third gear；
2, execution part is detected；
021, pressure sensor；022, detection executes matrix；
3, lift car；
031, the bottom plate of lift car；032, pull ring；033, the entrance of lift car；
4, ground.
Specific embodiment
Following specific embodiments are referring to figs. 1 to Fig. 8
A kind of detection device of elevator lift car load limit value, including detection power section 1 and by the detection power section
The detection execution part 2 of driving, detection execution part is equipped with pressure sensor 021, described under the driving of detection power section
Pressure sensor is pressed on the bottom plate of lift car.
The detection power section 1 includes hollow long handle 10, and long handle end part is open, and is equipped in the hollow cavity 100 of long handle
Two storage devices 20, two storage devices along the hollow cavity circumference to being uniformly distributed.
Any storage device includes linear drives component, the rotary components connecting with linear drives component 30, is located at long handle
The rotary drive assembly 40 at open-ended place, rotary components described in the linear drives Component driver are straight along the length direction of long handle
Line is mobile, and when the rotary components are run to long handle end part opening, the rotary drive assembly drives the rotary components rotation
Turn；Strut 50 is installed on each rotary components.
About detection power section 1, the rotary components 30 include internal screw thread block, 31 spill spin blocks being pivotally connected with internal screw thread block
32, the strut 50 is mounted on the spill spin block.
The linear drives component includes the linear movement threaded rod 60 being articulated in long handle hollow cavity 100, and straight line moves
Threaded rod is employed to be spirally connected with the internal screw thread block.
About detection power section 1, the end of spill spin block 32 is equipped with first gear 33, and the rotary drive assembly 40 is equipped with
The rack gear 41 of one section of arc shape, rotary drive assembly are articulated in the open-ended place of long handle 10, and the rotary components 30 move linearly
When to long handle end part opening, rotary drive assembly rotation drives the rack gear to rotate, the rotation of first gear described in rack drives
Turn.
About detection power section 1, the rotary drive assembly 40 includes the rotating ring 43 that a bottom opens up notch 42, institute
It states rack gear 41 to be arranged on the inner sidewall of rotating ring, the rotation centerline of rotating ring deviates the rotation centerline of first gear 33.
About detection power section 1, the rotary drive assembly 40 is equipped with the first worm gear 44, the first worm gear and the first worm screw
70 engagements, the first worm screw are articulated in long handle hollow cavity 100.
About detection power section 1, the end of the first worm screw 70 is equipped with second gear 71, and the of two the first worm screw end ends
Two gears are engaged with third gear 72 simultaneously, and the gear shaft of third gear extends to the other end of long handle 10.
About detection power section 1, the bottom end of linear movement threaded rod 60 is equipped with the 4th gear 61, two linear movements
It is engaged simultaneously with the 5th gear 62 with the 4th gear of screw thread boom end, the gear shaft of the 5th gear extends to the another of long handle 10
End.
The long handle 10 is mounted on the rack, and the bottom of rack is equipped with idler wheel.
The detection execution part 2 includes that detection executes matrix 022, and the pressure sensor is mounted on detection and executes matrix
Bottom；Two storage devices 20 are setting up and down, and correspondingly, the strut 50 of two storage devices is setting up and down, and the detection is held
Row matrix is hinged on underlying strut end.
The floor space that detection executes matrix 022 is less than or equal to the floor space of lift car, and several pressure sensors 021 divide
Cloth executes the bottom of matrix in detection.
The strut 50 is horizontally disposed, and detection, which executes, has a certain distance between matrix and ground, which is less than electricity
The height of terraced carriage.
In practical operation, detection device workflow of the present invention is as follows:
First, the top of lift car 3 is equipped with pull ring 032, and lift car is placed on ground 4, detects power section 1
Side in lift car and the entrance towards lift car 033.
Second, original state, strut 50 is completely hidden in the hollow cavity 100 of long handle 10.
Third, user pass through the 5th gear 62 of motor driven, the 5th gear driving linear movement threaded rod 60
Rotation, internal screw thread block 31 move linearly along the side wall of the hollow cavity 100, and internal screw thread block is with spill spin block 32 and first gear 33
Synchronizing moving, spill spin block move linearly with strut 50.The first gear 33 and spill spin block 32 of linear movement are by rotating ring
Bottom notch 42, the first gear are located in rotating ring 43, at this point, strut 50 protrudes long handle 10 completely.In two struts
In the pull ring 032 for the strut straight line insertion elevator car roof being located above, underlying strut straight line is stretched in two struts
Enter the entrance 033 of lift car, detection thereon executes matrix 022 and is located in lift car 3.
4th, for user by motor driven third gear 72, third gear drives the rotation of the first worm screw 70, the first worm screw
The rotating ring 43 is driven to rotate by the first worm gear 44, rotating ring drives rack gear 41 thereon to rotate, the first tooth of rack drives
33 rotation fixed angles of wheel (rack gear and first gear are every engage once, and the angle that first gear rotates is fixed), on spill spin block 43
Strut 50 rotated to the outside of long handle 10, two struts strut up and down, and the strut being located above first mentions lift car 3
It rises, lift car bottom is detached from ground, and later, the detection for being located below strut end executes matrix 022 and is pressed on lift car
Bottom plate 031 on, the contacts baseplate of pressure sensor 021 thereon and lift car.
5th, two struts 50 continue to strut up and down, and the strut being located above pulls up lift car, is located below support
The detection of boom end executes matrix 022 and is pressed downward the bottom plate 031 of lift car, until lift car 3 occurs deforming or crack,
At this point, passing through pressure sensor 021, it is known that the pressure that car-floor is born, which is the pole that lift car can bear
Limit value.
The above content is only better embodiment of the invention, for those of ordinary skill in the art, according to the present invention
Thought, there will be changes in the specific implementation manner and application range, and the content of the present specification should not be construed as to this hair
Bright limitation.
Claims (7)
1. a kind of detection device of elevator lift car load limit value, including detection power section (1) and by the detection power section
The detection execution part (2) of driving, detection execution part is equipped with pressure sensor (021), under the driving of detection power section,
The pressure sensor is pressed on the bottom plate of lift car；It is characterized by:
The detection power section (1) includes hollow long handle (10), and long handle end part opening, the hollow cavity (100) of long handle is interior to be set
There are two storage device (20), two storage devices along the hollow cavity circumference to being uniformly distributed；
Any storage device includes linear drives component, the rotary components connecting with linear drives component (30), is located at long pommel
The rotary drive assembly (40) of portion's opening, rotary components described in the linear drives Component driver are straight along the length direction of long handle
Line is mobile, and when the rotary components are run to long handle end part opening, the rotary drive assembly drives the rotary components rotation
Turn；Strut (50) are installed on each rotary components；
The detection execution part (2) includes that detection executes matrix (022), and the pressure sensor is mounted on detection and executes matrix
Bottom；Two storage devices (20) are setting up and down, and correspondingly, the strut (50) of two storage devices is setting up and down, the inspection
It surveys execution matrix and is hinged on underlying strut end；
The strut (50) is horizontally disposed, and detection, which executes, has a certain distance between matrix and ground, which is less than elevator
The height of carriage；
The top of lift car is equipped with pull ring, and rotary components are rotated with strut thereon to long handle lateral direction, two struts
It struts up and down, is in splayed.
2. a kind of detection device of elevator lift car load limit value as described in claim 1, it is characterised in that: the rotary components
It (30) include internal screw thread block (31), the spill spin block (32) with the pivot joint of internal screw thread block, the strut (50) is mounted on the spill spin block
On；
The linear drives component includes linear movement threaded rod (60), the straight line shifting being articulated in long handle hollow cavity (100)
Threaded rod is employed to be spirally connected with the internal screw thread block.
3. a kind of detection device of elevator lift car load limit value as claimed in claim 2, it is characterised in that: spill spin block (32)
End is equipped with first gear (33), and the rotary drive assembly (40) is equipped with the rack gear (41) of one section of arc shape, rotates driving group
Part is articulated in long handle (10) open-ended place, and when rotary components (30) linear movement to long handle end part opening, rotation is driven
Dynamic component rotation, drives the rack gear to rotate, the rotation of first gear described in rack drives.
4. a kind of detection device of elevator lift car load limit value as claimed in claim 3, it is characterised in that: the rotation driving
Component (40) includes the rotating ring (43) that a bottom opens up notch (42), and the inner sidewall of rotating ring is arranged in the rack gear (41)
On, the rotation centerline of rotating ring deviates the rotation centerline of first gear (33).
5. a kind of detection device of elevator lift car load limit value as claimed in claim 3, it is characterised in that: the rotation driving
Component (40) is equipped with the first worm gear (44), and the first worm gear is engaged with the first worm screw (70), and the first worm screw is articulated in long handle hollow cavity
(100) in.
6. a kind of detection device of elevator lift car load limit value as described in claim 1, it is characterised in that: the long handle (10)
It is mounted on the rack, the bottom of rack is equipped with idler wheel.
7. a kind of detection device of elevator lift car load limit value as described in claim 1, it is characterised in that: detection executes matrix
(022) floor space is less than or equal to the floor space of lift car, and several pressure sensors (021) are distributed in detection and execute matrix
Bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711082445.9A CN107902511B (en) | 2017-11-07 | 2017-11-07 | A kind of detection device of elevator lift car load limit value |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711082445.9A CN107902511B (en) | 2017-11-07 | 2017-11-07 | A kind of detection device of elevator lift car load limit value |
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| Publication Number | Publication Date |
|---|---|
| CN107902511A CN107902511A (en) | 2018-04-13 |
| CN107902511B true CN107902511B (en) | 2019-04-19 |
Family
ID=61842711
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711082445.9A Active CN107902511B (en) | 2017-11-07 | 2017-11-07 | A kind of detection device of elevator lift car load limit value |
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| CN (1) | CN107902511B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003321170A (en) * | 2002-05-07 | 2003-11-11 | Kuma Lift Gijutsu Kenkyusho:Kk | Elevator car unit with means for detecting approach limit position |
| CN105035903A (en) * | 2015-08-28 | 2015-11-11 | 台州市中奥特种设备检测技术服务有限公司 | Elevator load test device and test method thereof |
| CN205404285U (en) * | 2016-03-09 | 2016-07-27 | 海南大学 | Visual test device that draws of bar anchor plate |
| CN205772579U (en) * | 2016-07-10 | 2016-12-07 | 徐祥国 | A kind of elevator load test device |
| DE102016204422A1 (en) * | 2016-03-17 | 2017-09-21 | TÜV SÜD Industrie Service GmbH | Device and method for checking a load limiting device esp. From a conveyor system |
-
2017
- 2017-11-07 CN CN201711082445.9A patent/CN107902511B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003321170A (en) * | 2002-05-07 | 2003-11-11 | Kuma Lift Gijutsu Kenkyusho:Kk | Elevator car unit with means for detecting approach limit position |
| CN105035903A (en) * | 2015-08-28 | 2015-11-11 | 台州市中奥特种设备检测技术服务有限公司 | Elevator load test device and test method thereof |
| CN205404285U (en) * | 2016-03-09 | 2016-07-27 | 海南大学 | Visual test device that draws of bar anchor plate |
| DE102016204422A1 (en) * | 2016-03-17 | 2017-09-21 | TÜV SÜD Industrie Service GmbH | Device and method for checking a load limiting device esp. From a conveyor system |
| CN205772579U (en) * | 2016-07-10 | 2016-12-07 | 徐祥国 | A kind of elevator load test device |
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| Publication number | Publication date |
|---|---|
| CN107902511A (en) | 2018-04-13 |
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