CN109775496A - No-load detects the device of lift car overload switch state - Google Patents
No-load detects the device of lift car overload switch state Download PDFInfo
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- CN109775496A CN109775496A CN201910132447.7A CN201910132447A CN109775496A CN 109775496 A CN109775496 A CN 109775496A CN 201910132447 A CN201910132447 A CN 201910132447A CN 109775496 A CN109775496 A CN 109775496A
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- carriage
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- overload switch
- lift car
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- 238000001514 detection method Methods 0.000 claims abstract description 28
- 238000005303 weighing Methods 0.000 claims abstract description 25
- 230000000903 blocking effect Effects 0.000 claims description 6
- 238000009434 installation Methods 0.000 claims description 3
- 238000012544 monitoring process Methods 0.000 abstract description 12
- 238000006073 displacement reaction Methods 0.000 abstract description 9
- 238000007689 inspection Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000000737 periodic effect Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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- Maintenance And Inspection Apparatuses For Elevators (AREA)
Abstract
The present invention relates to a kind of device of no-load detection lift car overload switch state, wirerope plays car frame, carriage is equipped in car frame, the device that no-load detects lift car overload switch state includes: support component, for connecting with carriage；Device for exerting, for providing driving force to support component, to drive carriage and car frame close；And weighing device, for measuring the downward driving force of device for exerting application.Detection device can imitate the load in carriage, downward driving force is provided to carriage, make unloaded carriage and car frame to pressure, to make carriage and carriage rack position generate the vertical displacement of relative decrease, when the driving force that device for exerting applies is in excess of the quota, the overload switch of cage bottom, which can act and issue signal, to be reminded.Pressure due to generating relative vertical displacement presses on weighing device simultaneously, is detected by the data obtained on weighing device or debugged the working condition of car load monitoring element.
Description
Technical field
The present invention relates to elevator detection fields, more specifically to a kind of no-load detection lift car overload switch shape
The device of state.
Background technique
With the fast development of Chinese national economy, the elevator as vertical direction means of transport is rapidly developed,
Requirement of the people to elevator safety operation is also higher and higher, and the status casualty accident case that be elevator occur by overload is increasingly
More, elevator overload protecting device validity is just particularly important at this time.
Surpass as a ring of elevator safety protection system if elevator overload device when being more than rated load acts
Carry the acoustic-optic alarm set will reminding passengers exit carriage, to prevent lift car from overloading, it is ensured that elevator passenger
The safety of personal safety, elevator conveying cargo and equipment itself.
" elevator surveillance inspection and periodic inspection rule-traction and forcibly driving elevator " TSG T7001-2009 is to elevator
The examination requirements of overload protection device are as follows: " carrying out load test, verify the function of overload protection device."
The detection of elevator lift car load monitoring element working condition is only examined by placing load in carriage at present
Survey to realize, this work is not only at high cost, and large labor intensity, also because for this reason, the inspection project in elevator annual check
Shi Tongchang only detects whether car load monitoring element can act, and does not detect its movement in how many car load situations,
This will run to elevator and leave some potential safety problems.
The device once motion value inaccuracy even fails, and is likely to result in following consequence:
1, car load monitoring element action value is too small, cannot effectively play the transporting power of elevator；
2, car load monitoring element action value is excessive or even fails, and is likely to result in carriage and directly slips under the condition of opening
Ladder or crouching bottom are sheared, squeeze or drop the serious consequences such as wound (dying) to generate personnel.
The correlation of no-load detection car load monitoring element working condition device is not yet retrieved in domestic and international pertinent literature
Information did not met relevant apparatus in actually detected application yet and successfully develops and its apply, and examined in detection process in elevator at present
Still car overload device is debugged and examined only with carrying counterweight, elevator periodic inspection scene is difficult to carry out.
Therefore, implementation of the overload closing detecting apparatus of a set of simple and convenient for regular inspection scene or selective examination work is researched and developed to open
Exhibition, is significantly.
Summary of the invention
The technical problem to be solved in the present invention is that providing a kind of dress of no-load detection lift car overload switch state
It sets.
The technical solution adopted by the present invention to solve the technical problems is: constructing a kind of detection lift car overload of no-load and opens
The device of off status, car frame frame is interior to be equipped with carriage, and the device of the no-load detection lift car overload switch state includes:
Support component, for being connect with the carriage；
Device for exerting, for providing driving force to the support component, to drive the carriage and car frame close；And
Weighing device, the driving force applied for measuring the device for exerting.
Preferably, the support component includes for the support frame below carriage to be arranged in and for being connected to the support
Pull rod between frame and the carriage.
Preferably, the support component includes two support frames as described above arranged side by side, and the pull rod includes four, each
The both ends of support frame as described above are respectively equipped with the pull rod and connect with the carriage.
Preferably, each support frame as described above includes the first supporting section being hinged, the second supporting section, and described first
The adjacent end of support section, the second supporting section is equipped with after first supporting section, the expansion of the second supporting section the holding expansion shape that offsets
The blocking part of state.
Preferably, first supporting section, the second supporting section articulated position be located at side, the blocking part is described the
The end face of one supporting section, the second supporting section.
Preferably, the device for exerting and weighing device are stacked in short transverse offsets, and one of those and the branch
Support connects, another connect with the car frame.
Preferably, support frame as described above is located at below the car frame.
Preferably, the device for exerting and weighing device are between the car frame and support frame as described above.
Preferably, the device for exerting is located at the downside of the weighing device, and the weighing device includes pressure sensor,
The support component further includes being located on support frame as described above for the locating piece of device for exerting installation.
Preferably, the locating piece is equipped with the guide groove for accommodating the device for exerting, and the locating piece position is adjustably pacified
On support frame as described above.
The device for implementing no-load detection lift car overload switch state of the invention, has the advantages that detection
Device transmits downward driving force to carriage, makes unloaded carriage and car frame to pressure, drive by imitating the load in carriage
Carriage and car frame are close, so that carriage and carriage rack position be made to generate the vertical displacement of relative decrease, apply in device for exerting
Driving force when keeping carriage in excess of the quota to bottom offset, the overload switch of cage bottom can issue signal and be reminded.Due to producing
The pressure of raw relative vertical displacement presses on weighing device simultaneously, is detected by the data obtained on weighing device or debugged sedan-chair
The working condition of compartment Payload Monitoring And Control element, overcome placed in carriage with counterweight load carry out detection or debugging efforts cost
High, large labor intensity defect.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples, in attached drawing:
When Fig. 1 is that the no-load in the embodiment of the present invention detects the device of lift car overload switch state to Measurement of Elevator
Structural schematic diagram；
Fig. 2 is the overlook direction structural schematic diagram of the support component in Fig. 1.
Specific embodiment
For a clearer understanding of the technical characteristics, objects and effects of the present invention, now control attached drawing is described in detail
A specific embodiment of the invention.
As shown in Figure 1, in general, placing connection side using suspending between the carriage 2 of passenger lift and its car frame 5
Formula namely carriage 2 are connect by 7 rubber pad of elastic element with car frame 5, and Payload Monitoring And Control element overload switch 6 is usually to install
In 2 bottom of carriage.When carriage 2 load when, 7 rubber pad of elastic element is compressed, 2 internal load variable quantity of carriage indeed through
Relative vertical displacement amount between 5 bottom beam of 2 bottom plate of carriage and car frame monitors.Therefore, the mentality of designing that we take is exactly
This relative vertical displacement amount is simulated to be monitored.
As shown in Figure 1, Figure 2, wirerope 8 plays car frame 5, carriage 2 is equipped in car frame 5, the present invention one is preferably
The device of no-load detection lift car overload 6 state of switch in embodiment includes support component 1, for connecting with carriage 2；It applies
Pressure device 3, for providing driving force to support component 1, to drive carriage 2 to move down；And weighing device 4, for measuring
The driving force that device for exerting 3 applies.
Detection device in the present embodiment can transmit downward driving force to carriage 2, make unloaded carriage 2 and car frame 5
To pressure, the load in carriage 2 is imitated, carriage 2 can be driven to generate downward displacement, so that carriage 2 and 5 position of car frame be made to produce
The vertical displacement of raw relative decrease, when the driving force that device for exerting 3 applies keeps carriage 2 in excess of the quota to bottom offset, 2 bottom of carriage
The overload switch 6 in portion can issue signal and be reminded.Pressure due to generating relative vertical displacement presses on weighing device 4 simultaneously
On, the working condition of 2 Payload Monitoring And Control element of carriage is detected or debugged by the data obtained on weighing device 4.
It is the detection device strong applicability of the application, at low cost, 2 load of carriage is detected in the no-load for examining execute-in-place to use
The device of monitoring element working condition can reduce debugging or examine the workload of 2 Payload Monitoring And Control element manipulation state of lift car,
The accuracy of 2 Payload Monitoring And Control element manipulation state-detection of carriage is improved, elevator overload risk is reduced, to further decrease elevator
The risk of operation.
Support component 1 includes for the support frame 11 below carriage 2 to be arranged in and for being connected to support frame 11 and carriage 2
Between pull rod 12, support frame 11 is located at the lower section of carriage 2, conducive to downward driving force is transmitted to carriage 2.In other embodiments,
The position of support frame 11 can transmit downward driving force without limitation to carriage 2.
Preferably, support component 1 includes two support frames 11 arranged side by side, and pull rod 12 includes four, each support frame
11 both ends are respectively equipped with a pull rod 12 and connect with carriage 2.Four pull rods 12 apply driving force from the quadrangle of carriage 2, allow sedan-chair
The stress in compartment 2 more balances.
In some embodiments, each support frame 11 includes the first supporting section 111, the second supporting section 112 being hinged,
And the adjacent end of first supporting section 111, the second supporting section 112 is equipped with and is unfolded in the first supporting section 111, the second supporting section 112
It offsets afterwards and keeps the blocking part 113 of unfolded state.Support frame 11 can fold, and to reduce the transportation clearance of whole device, be convenient for
It carries, and improves the assembly efficiency of device.
Further, the first supporting section 111, the second supporting section 112 articulated position be located at side, blocking part 113 is the
Positioning is kept out by end face in the end face of one supporting section 111, the second supporting section 112, and accurate positioning is stablized.
Carriage 2 is placed in the frame of car frame 5, and device for exerting 3 and weighing device 4 are stacked in short transverse and offseted, and
One of those connect with support frame 11, another connect with car frame 5.The driving force of device for exerting 3 can be weighed device 4 and obtain
It takes, while being supported by car frame 5 and support frame 11, transmit the force to carriage 2.
In the present embodiment, support frame 11 is located at 5 lower section of car frame, and further, device for exerting 3 and weighing device 4 are located at
Between car frame 5 and support frame 11, weighing device 4 is located at 3 upside of device for exerting, offsets with the downside of car frame 5, device for exerting
3 are arranged on support frame 11, and are located under weighing device 4, the driving force for allowing weighing device 4 to measure and the power for passing to carriage 2
It is identical.
Device for exerting 3 is located at the downside of weighing device 4, in general, device for exerting 3 includes jack or hydraulic cylinder etc., weighing
Device 4 includes pressure sensor and display device, and the pressure signal that pressure sensor obtains can be shown on the display apparatus
Come.
Support component 1 further includes being located at the locating piece 114 installed on support frame 11 for device for exerting 3, guarantees device for exerting 3
Installation site is stablized, and guarantees force application stabilization.
Locating piece 114 is equipped with the guide groove 115 of accommodating device for exerting 3, and guide groove 115 prolongs along the horizontal depth direction of carriage 2
Setting is stretched, the placement location of device for exerting 3 can slide balanced to guarantee to exert a force to adjust depth direction position along guide groove 115.
In other embodiments, guide groove 115 can also extend along the width direction of carriage 2, adjust the position of device for exerting 3.
Preferably, 114 position of locating piece is adjustably mounted on support frame 11, corresponding can also adjust device for exerting 3
Position.
In other embodiments, the replacement of other support constructions can also be used in the support of car frame 5 and support frame 11, can allow and apply
The driving force of pressure device 3 is transmitted to carriage 2, to drive carriage 2 to move down, and can measure the driving force of device for exerting 3.
It is to be appreciated that above-mentioned each technical characteristic can be used in any combination and unrestricted.
The above description is only an embodiment of the present invention, is not intended to limit the scope of the invention, all to utilize this hair
Equivalent structure or equivalent flow shift made by bright specification and accompanying drawing content is applied directly or indirectly in other relevant skills
Art field, is included within the scope of the present invention.
Claims (10)
1. a kind of device of no-load detection lift car overload switch state, car frame (5) is interior to be equipped with carriage (2), and feature exists
In the device of the no-load detection lift car overload switch state includes:
Support component (1), for being connect with the carriage (2)；
Device for exerting (3), for providing driving force to the support component (1), to drive the carriage (2) and the car frame
(5) close；And
Weighing device (4) applies driving force for measuring the device for exerting (3).
2. the device of no-load detection lift car overload switch state according to claim 1, which is characterized in that the branch
Support component (1) includes for the support frame (11) that is arranged below carriage (2) and for being connected to support frame as described above (11) and institute
State pull rod (12) between carriage (2).
3. the device of no-load detection lift car overload switch state according to claim 2, which is characterized in that the branch
Support component (1) includes two support frames as described above (11) arranged side by side, and the pull rod (12) includes four, each support frame as described above
(11) both ends are respectively equipped with the pull rod (12) and connect with the carriage (2).
4. the device of no-load detection lift car overload switch state according to claim 2, which is characterized in that Mei Yisuo
Stating support frame (11) includes the first supporting section (111) being hinged, the second supporting section (112), and first supporting section
(111), the adjacent end of the second supporting section (112) is equipped with is unfolded in first supporting section (111), the second supporting section (112)
It offsets afterwards and keeps the blocking part (113) of unfolded state.
5. the device of no-load according to claim 4 detection lift car overload switch state, which is characterized in that described the
One supporting section (111), the second supporting section (112) articulated position be located at side, the blocking part (113) is first support
The end face of section (111), the second supporting section (112).
6. the device of no-load detection lift car overload switch state according to any one of claims 2 to 5, feature exist
In the device for exerting (3) and weighing device (4) are stacked in short transverse and offseted, and one of those and support frame as described above
(11) it connects, another connect with the car frame (5).
7. the device of no-load detection lift car overload switch state according to claim 6, which is characterized in that the branch
Support (11) is located at below the car frame (5).
8. the device of no-load detection lift car overload switch state according to claim 7, which is characterized in that described to apply
Pressure device (3) and weighing device (4) are between the car frame (5) and support frame as described above (11).
9. the device of no-load detection lift car overload switch state according to claim 8, which is characterized in that described to apply
Pressure device (3) is located at the downside of the weighing device (4), and the weighing device (4) includes pressure sensor, the support component
It (1) further include being located on support frame as described above (11) for the locating piece (114) of the device for exerting (3) installation.
10. the device of no-load detection lift car overload switch state according to claim 9, which is characterized in that described
Locating piece (114) is equipped with the guide groove (115) for accommodating the device for exerting (3), and locating piece (114) position is adjustably installed
On support frame as described above (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910132447.7A CN109775496B (en) | 2019-02-22 | 2019-02-22 | Device for detecting overload switch state of elevator car without load |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910132447.7A CN109775496B (en) | 2019-02-22 | 2019-02-22 | Device for detecting overload switch state of elevator car without load |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109775496A true CN109775496A (en) | 2019-05-21 |
| CN109775496B CN109775496B (en) | 2024-08-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910132447.7A Active CN109775496B (en) | 2019-02-22 | 2019-02-22 | Device for detecting overload switch state of elevator car without load |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110526070A (en) * | 2019-07-25 | 2019-12-03 | 山东奔速电梯股份有限公司 | A kind of indoor elevator overload mechanism for monitoring and monitoring method |
| CN113860111A (en) * | 2021-11-16 | 2021-12-31 | 合肥工业大学 | Vertical elevator overload protection device detector |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102887406A (en) * | 2012-09-29 | 2013-01-23 | 福建省特种设备检验研究院 | Elevator load detection device and method thereof |
| CN206751133U (en) * | 2017-06-05 | 2017-12-15 | 湖南德力通电梯有限公司 | A kind of elevator load test device |
| CN209815428U (en) * | 2019-02-22 | 2019-12-20 | 深圳市特种设备安全检验研究院 | Device for detecting overload switch state of elevator car without load |
-
2019
- 2019-02-22 CN CN201910132447.7A patent/CN109775496B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102887406A (en) * | 2012-09-29 | 2013-01-23 | 福建省特种设备检验研究院 | Elevator load detection device and method thereof |
| CN206751133U (en) * | 2017-06-05 | 2017-12-15 | 湖南德力通电梯有限公司 | A kind of elevator load test device |
| CN209815428U (en) * | 2019-02-22 | 2019-12-20 | 深圳市特种设备安全检验研究院 | Device for detecting overload switch state of elevator car without load |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110526070A (en) * | 2019-07-25 | 2019-12-03 | 山东奔速电梯股份有限公司 | A kind of indoor elevator overload mechanism for monitoring and monitoring method |
| CN110526070B (en) * | 2019-07-25 | 2024-05-07 | 山东奔速电梯股份有限公司 | Overload monitoring mechanism and monitoring method for indoor elevator |
| CN113860111A (en) * | 2021-11-16 | 2021-12-31 | 合肥工业大学 | Vertical elevator overload protection device detector |
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| Publication number | Publication date |
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| CN109775496B (en) | 2024-08-20 |
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Effective date of registration: 20210923 Address after: 518005 agricultural science and technology building, No. 1085, south of chaguang Road, Xili street, Nanshan District, Shenzhen, Guangdong Applicant after: Shenzhen Institute of quality and safety inspection and testing Address before: 518024 special inspection building, No. 1032, Honggang Road, Qingshuihe street, Luohu District, Shenzhen City, Guangdong Province Applicant before: SHENZHEN INSTITUTE OF SPECIAL EQUIPMENT INSPECTION AND TEST |
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