CN207078850U - A kind of elevator weighing device - Google Patents
A kind of elevator weighing device Download PDFInfo
- Publication number
- CN207078850U CN207078850U CN201721074925.6U CN201721074925U CN207078850U CN 207078850 U CN207078850 U CN 207078850U CN 201721074925 U CN201721074925 U CN 201721074925U CN 207078850 U CN207078850 U CN 207078850U
- Authority
- CN
- China
- Prior art keywords
- hitch plate
- elevator
- rope hitch
- spandrel girder
- rope
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000005303 weighing Methods 0.000 title claims abstract description 48
- 238000006073 displacement reaction Methods 0.000 claims abstract description 26
- 238000001514 detection method Methods 0.000 claims abstract description 13
- 229910000831 Steel Inorganic materials 0.000 claims description 7
- 239000010959 steel Substances 0.000 claims description 7
- 230000005484 gravity Effects 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
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- Maintenance And Inspection Apparatuses For Elevators (AREA)
Abstract
The utility model discloses a kind of elevator weighing device, including displacement transducer, spandrel girder and screw rod, the upper surface of the spandrel girder is provided with two spaced weighing sensors, lower rope hitch plate is installed with the top of the weighing sensor, the upper surface of the spandrel girder, which is located on the outside of weighing sensor, is provided with support, institute's displacement sensors are erected at the center of support, the upper surface of the spandrel girder is provided with slack rope detection switch support, and the bottom of the screw rod passes perpendicularly through the through hole on lower rope hitch plate.The utility model can be directly mounted at elevator car top, it can be safeguarded in elevator interior, it is convenient and swift, it is safer, measure the displacement occurred based on car load stress, it is unrelated with the degree of balance, therefore measure accurately, using two kinds of metering systems of displacement transducer and weighing sensor, can arbitrarily switch, slack rope switch can stop elevator operation in time in the case of overweight and slack rope occurs, and improve the security of operation.
Description
Technical field
Elevator weighing technical field is the utility model is related to, specifically a kind of elevator weighing device.
Background technology
Elevator refers to serve some specific floors in building, and its car operates at least two row perpendicular to horizontal plane
Or the permanent transporting equipment moved with rigid track of the plumb line inclination angle less than 15 °.
Elevator weighing sensing device is normally at elevator car bottom at present, installs, changes and safeguard highly inconvenient, is occurring
The operation of elevator can not be stopped under slack rope and overweight condition at once, caused casualties, be this it is proposed that a kind of elevator claims
Refitting is put to solve the problem present on.
Utility model content
The purpose of this utility model is to provide a kind of elevator weighing device, to solve of the prior art install, more
Change and safeguard highly inconvenient, the operation of elevator can not be stopped at once in the case where slack rope and overweight condition occurs, caused casualties
The problem of.
To achieve the above object, the utility model provides following technical scheme：
A kind of elevator weighing device, including displacement transducer, spandrel girder and screw rod；
The upper surface of the spandrel girder is provided with two spaced weighing sensors, the top of the weighing sensor
It is installed with lower rope hitch plate；
The upper surface of the spandrel girder, which is located on the outside of weighing sensor, is provided with support, and institute's displacement sensors are erected at
The center of support；
The upper surface of the spandrel girder is provided with slack rope detection switch support, and the bottom of the screw rod passes perpendicularly through lower fag end
Through hole on plate, and the plan vertical of screw rod passes through the through hole on upper rope hitch plate；
Spring is set with the screw rod between upper rope hitch plate and lower rope hitch plate, is located at upper rope hitch plate on the screw rod
Top and be mounted on nut below lower rope hitch plate；
The lower surface of the upper rope hitch plate is installed with magnetic steel ingot with displacement transducer position joint.
Preferably, the weighing sensor is bolted on spandrel girder.
Preferably, the lower rope hitch plate is bolted on the top of weighing sensor.
Preferably, the top of the support is provided with loop bracket, and the inner surface of the loop bracket is helicitic texture, described
The outer surface of displacement transducer is provided with the helicitic texture matched with loop bracket inner surface.
Preferably, top one end of the upper rope hitch plate switchs provided with slack rope, and the slack rope detection switch support is right angle C
Type structure, and the top lower surface of slack rope detection switch support is provided with contact corresponding with the slack rope position of the switch.
Compared with prior art, the beneficial effects of the utility model are：The utility model design science is reasonable, safe operation
Convenient, the utility model devises one kind and can be safeguarded, changed in lift car, in the case where slack rope and overweight condition occurs
The elevator weighing apparatus of elevator operation can be stopped at once, the utility model can be directly mounted at elevator car top, in elevator interior
It can be safeguarded, it is convenient and swift, it is safer, the displacement occurred based on car load stress is measured, it is unrelated with the degree of balance,
Therefore measure accurately, using two kinds of metering systems of displacement transducer and weighing sensor, can arbitrarily switch, slack rope switch is occurring
Elevator operation can be stopped in the case of overweight and slack rope in time, improve the security of operation.
Brief description of the drawings
Fig. 1 is a kind of structural representation of elevator weighing device of the utility model.
Fig. 2 is a kind of structural representation of the weighing sensor of elevator weighing device of the utility model.
Fig. 3 is a kind of displacement transducer of elevator weighing device of the utility model and the mounting structure schematic diagram of support.
In figure：Rope hitch plate under the upper rope hitch plates of 1-, 2- displacement transducers, 3- supports, 4- spandrel girders, 5- weighing sensors, 6-,
7- nuts, 8- screw rods, 9- slack rope detection switch support, 10- slack ropes switch, 11- springs, 12- magnetic steel ingots.
Embodiment
With reference to the accompanying drawings and examples, specific embodiment of the present utility model is described in further detail.
Refer to Fig. 1~3, in the utility model embodiment, a kind of elevator weighing device, including displacement transducer 2, hold
Weight beam 4 and screw rod 8, the upper surface of spandrel girder 4 are provided with two spaced weighing sensors 5, and the interval of weighing sensor 5 is set
Put, the scope of weighing of weighing sensor 5 can be expanded, improve the degree of balance of weighing, the top of weighing sensor 5 is installed with lower fag end
Plate 6；
The outside that the upper surface of spandrel girder 4 is located at weighing sensor 5 is provided with support 3, and support 3 senses for fixed displacement
Device 2, displacement transducer 2 are erected at the center of support 3；
The upper surface of spandrel girder 4 is provided with slack rope detection switch support 9, and slack rope detection switch support 9 is bolted
In the upper surface of spandrel girder 4, the bottom of screw rod 8 passes perpendicularly through the through hole on lower rope hitch plate 6, and the plan vertical of screw rod 8 passes through
Through hole on upper rope hitch plate 1；
Spring 11 is set between upper rope hitch plate 1 and lower rope hitch plate 6 on screw rod 8, when elevator is run, spring 11 is used
Moved in the height for offsetting upper rope hitch plate 1, positioned at the top of upper rope hitch plate 1 and positioned at the lower section of lower rope hitch plate 6 on screw rod 8
It is mounted on nut 7；
The lower surface of upper rope hitch plate 1 is installed with magnetic steel ingot 12 with the position joint of displacement transducer 2, and magnetic steel ingot 12 can pass through
Glue special is pasted onto the lower surface of rope hitch plate 1.
Weighing sensor 5 is bolted on spandrel girder 4, and lower rope hitch plate 6 is bolted on weighing sensor 5
Top, the top of support 3 is provided with loop bracket, and the inner surface of loop bracket is helicitic texture, the outer surface of displacement transducer 2
Provided with the helicitic texture matched with loop bracket inner surface, displacement transducer 2 is threadedly secured on loop bracket, upper rope hitch plate 1
Top one end be provided with slack rope switch 10, slack rope detection switch support 9 be right angle c-type structure, convenient to install, and stabilized structure,
And the top lower surface of slack rope detection switch support 9 is provided with the contact that 10 position correspondences are switched with slack rope.
Operation principle of the present utility model is：After the elevator is installed with weighing device by normal procedure, when in use, when
When elevator no-load is run, the Gravity changer of lower rope hitch plate 6 that weighing sensor 5 detects is in normal range (NR), while upper rope hitch plate 1
When following the elevator to run, because gravity influences to move downward, the displacement between magnetic steel ingot 12 and displacement transducer 2 reduces, but
Still in interruption state, when elevator overload is run, because gravity variation is excessive, magnetic steel ingot 12 contacts with displacement transducer 2, together
When weighing sensor 5 detect that loading capacity is more than normality threshold, displacement transducer 2 sends the signal to control with weighing sensor 5
Device processed, controller control elevator is out of service, and when slack rope occurs for elevator, lift car hurtles down, and upper rope hitch plate 1 is by elevator
Car gravity is influenceed first to rise to decline afterwards, and the contact on slack rope detection switch support 9 is contacted when rising, and signal is quickly transferred to
Controller, controller control elevator are out of service.
Embodiment of above is merely to illustrate the utility model, and is not limitation of the utility model, relevant technology neck
The those of ordinary skill in domain, in the case where not departing from spirit and scope of the present utility model, can also make a variety of changes and
Modification, therefore all equivalent technical schemes fall within category of the present utility model, scope of patent protection of the present utility model should
It is defined by the claims.
Claims (5)
1. a kind of elevator weighing device, including displacement transducer (2), spandrel girder (4) and screw rod (8), it is characterised in that
The upper surface of the spandrel girder (4) is provided with two spaced weighing sensors (5), the weighing sensor (5)
Top be installed with lower rope hitch plate (6)；
The upper surface of the spandrel girder (4), which is located on the outside of weighing sensor (5), is provided with support (3), institute's displacement sensors
(2) it is erected at the center of support (3)；
The upper surface of the spandrel girder (4) is provided with slack rope detection switch support (9), and the bottom of the screw rod (8) passes perpendicularly through
Through hole on lower rope hitch plate (6), and the plan vertical of screw rod (8) passes through the through hole on upper rope hitch plate (1)；
Spring (11) is set with the screw rod (8) between upper rope hitch plate (1) and lower rope hitch plate (6), on the screw rod (8)
Nut (7) is mounted on positioned at the top of upper rope hitch plate (1) and below lower rope hitch plate (6)；
The lower surface of the upper rope hitch plate (1) is installed with magnetic steel ingot (12) with displacement transducer (2) position joint.
2. a kind of elevator weighing device according to claim 1, it is characterised in that the weighing sensor (5) passes through
It is bolted on spandrel girder (4).
3. a kind of elevator weighing device according to claim 1, it is characterised in that the lower rope hitch plate (6) passes through spiral shell
Bolt is fixed on the top of weighing sensor (5).
4. a kind of elevator weighing device according to claim 1, it is characterised in that the top of the support (3) is provided with
Loop bracket；
The inner surface of the loop bracket is helicitic texture, the outer surfaces of institute's displacement sensors (2) be provided with loop bracket
The helicitic texture of surface matching.
A kind of 5. elevator weighing device according to claim 1, it is characterised in that the top of the upper rope hitch plate (1)
One end is provided with slack rope switch (10)；
The slack rope detection switch support (9) is right angle c-type structure, and the top lower surface of slack rope detection switch support (9) is set
There is the contact with slack rope switch (10) position correspondence.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721074925.6U CN207078850U (en) | 2017-08-25 | 2017-08-25 | A kind of elevator weighing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721074925.6U CN207078850U (en) | 2017-08-25 | 2017-08-25 | A kind of elevator weighing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207078850U true CN207078850U (en) | 2018-03-09 |
Family
ID=61421123
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721074925.6U Expired - Fee Related CN207078850U (en) | 2017-08-25 | 2017-08-25 | A kind of elevator weighing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207078850U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114655808A (en) * | 2022-05-25 | 2022-06-24 | 河南省矿山起重机有限公司 | Method for calibrating elevator overload protection device |
-
2017
- 2017-08-25 CN CN201721074925.6U patent/CN207078850U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114655808A (en) * | 2022-05-25 | 2022-06-24 | 河南省矿山起重机有限公司 | Method for calibrating elevator overload protection device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180309 |