CN205973690U - Landing leg and aerial working platform - Google Patents
Landing leg and aerial working platform Download PDFInfo
- Publication number
- CN205973690U CN205973690U CN201620977102.3U CN201620977102U CN205973690U CN 205973690 U CN205973690 U CN 205973690U CN 201620977102 U CN201620977102 U CN 201620977102U CN 205973690 U CN205973690 U CN 205973690U
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- CN
- China
- Prior art keywords
- movable plate
- sensor
- supporting leg
- oil cylinder
- baffle plate
- 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.)
- Withdrawn - After Issue
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Abstract
The utility model discloses a landing leg and aerial working platform, including landing leg arm, landing leg hydro -cylinder, sensor, install movable plate and baffle on the landing leg arm, the baffle is located the movable plate top, and the baffle is used for placing restrictions on the movable plate rebound, and the landing leg hydro -cylinder is installed on the movable plate, and movable plate landing leg arm relatively reciprocates, installs the sensor on the landing leg arm, the sensor is used for detecting the status signal of movable plate or the rebound of landing leg hydro -cylinder. The utility model provides the force feedback detected after high landing leg landed reliability, security, stability. Prevented effectively that aerial working platform from tumbling the condition and taking place. Guarantee operating personnel operational safety.
Description
Technical field
This utility model is related to aerial work platform apparatus field, more particularly to a kind of supporting leg and aerial work platform.
Background technology
Aerial work platform (Aerial work platform) be serve industry-by-industry work high above the ground, equipment install,
The product of the mobility work high above the ground such as maintenance.Aerial work platform Related product mainly has:Scissor aerial work platform, drag
Vehicle type aerial work platform, crank type aerial working platform, straight arm type aerial work platform, aluminium alloy aerial work platform, set
Cylinder formula aerial work platform, spider-type aerial work platform seven big class.
Aerial work platform generally comprises 4 supporting legs, and in operation, 4 supporting legs launch, and support on the ground.At present, high
The support oil cylinder of working platform is connected using flange mostly with outrigger arm, with bolt fastening, during using this connected mode, props up
After lower limb lands, force feedback detection great majority are detected using the oil pressure feedback of support oil cylinder.Using the pressure in measurement support oil cylinder
Value is detecting whether supporting leg lands stress, very inaccurate, erroneous judgement easily, due to judging the personal safety accident leading to by accident.
In order to solve the above problems, on support oil cylinder top, travel switch is installed, after landing due to support oil cylinder, stress is made
Become beat, support oil cylinder top beat amount is very big, beyond travel switch detection range, directly results in and can't detect, poor reliability,
Stability is poor, poor stability, and fault rate is high.
Utility model content
The purpose of this utility model is to provide a kind of supporting leg and aerial work platform, solves force feedback inspection after supporting leg lands
The poor reliability surveyed, poor stability, the problems such as stability is poor, fault rate is high.
A kind of supporting leg that this utility model provides, including outrigger arm, support oil cylinder, sensor, is provided with outrigger arm
Movable plate and baffle plate, baffle plate is located above movable plate, and baffle plate is used for placing restrictions on movable plate and moves up, and support oil cylinder is arranged on movement
On plate, movable plate can confronting legs arm move up and down, and is provided with sensor on outrigger arm;Sensor be used for detecting movable plate or
The status signal that support oil cylinder moves up.
In order to improve the reliability of force feedback detection, safety, stability after supporting leg lands further, further
In technical scheme, the cylinder barrel lower end of support oil cylinder is connected with movable plate, and sensor is located at the cylinder barrel lower end of support oil cylinder.
In order to improve the reliability of force feedback detection, safety, stability after supporting leg lands further, further
In technical scheme, including connecting rod, connecting rod bores is offered on movable plate and baffle plate, connecting rod passes through movable plate and baffle plate
Connecting rod bores, when support oil cylinder is not supported on ground, the distance of formation between the upper surface of movable plate and the lower surface of baffle plate
For the upper and lower amount of movement of movable plate.
The amount of movement upper and lower in order to adjust movable plate, in further technical scheme, connecting rod is bolt, on bolt
Screw on nut;Amount of movement can be adjusted by tightening or unscrewing nut.
In order to improve the reliability of force feedback detection, safety, stability after supporting leg lands further, further
In technical scheme, sensor is travel switch, is provided with detection bar on movable plate, and travel switch is located above detection bar;When
When movable plate is moved upwards up to precalculated position, detection bar can touch travel switch action.
In order to improve the reliability of force feedback detection, safety, stability after supporting leg lands further, further
In technical scheme, screwed hole is offered on movable plate, detection bar one end is provided with thread segment, thread segment is coordinated with screwed hole;
Touch panel is set in the detection bar other end, touch panel cross-sectional area is more than the cross-sectional area of detection bar.
In order to improve the reliability of force feedback detection, safety, stability after supporting leg lands further, further
In technical scheme, sensor be travel switch, contact is provided with the cylinder barrel of support oil cylinder, when movable plate be moved upwards up to pre-
When positioning is put, contact can touch travel switch action.
In order to improve the reliability of force feedback detection, safety, stability after supporting leg lands further, further
In technical scheme, sensor is pressure transducer, and pressure transducer is provided with baffle plate, is limited when movable plate is resisted against on baffle plate
When only moving up, pressure transducer can detect that the active force to baffle plate for the movable plate.
In order to improve the reliability of force feedback detection, safety, stability after supporting leg lands further, further
In technical scheme, sensor is distance measuring sensor, and distance measuring sensor can detect distance between baffle plate and movable plate.
In addition, this utility model additionally provides a kind of aerial work platform, including above-mentioned supporting leg.
A kind of supporting leg and aerial work platform that this utility model provides, install movable plate, support oil cylinder on outrigger arm
It is arranged on movable plate, after support oil cylinder elongation lands stress, movable plate moves up under the active force of support oil cylinder,
Lower limb oil cylinder also can move up therewith, the status signal that sensor is moved up by detection movable plate or support oil cylinder, instead
Whether feedback supporting leg lands stress.This utility model improves the reliability of force feedback detection after supporting leg lands, safety, stablizes
Property.Effectively prevent aerial work platform tipping condition to occur.Ensure operator's processing safety.
In further technical scheme, the cylinder barrel lower end of support oil cylinder is connected with movable plate, and sensor is located at supporting leg oil
The cylinder barrel lower end of cylinder.Because cylinder barrel lower end beat amount is little, without departing from travel switch detection range, improve the reliability of detection
Property, safety, stability.
In further technical scheme, sensor adopts travel switch or pressure transducer or surveys square sensor,
The reliability of detection, safety, stability can further be improved.
Brief description
In order to be illustrated more clearly that this utility model or technical scheme of the prior art, below will be to embodiment or existing
In technology description the accompanying drawing of required use be briefly described it should be apparent that, drawings in the following description be this practicality newly
Some embodiments of type, for those of ordinary skill in the art, on the premise of not paying creative work, can also root
Obtain other accompanying drawings according to these accompanying drawings.
Fig. 1 is supporting leg schematic diagram of the present utility model.
Specific embodiment
In order that above-mentioned purpose of the present utility model, feature and advantage can become apparent from understandable, right below in conjunction with the accompanying drawings
Specific embodiment of the present utility model is described in detail.
Elaborate detail in order to fully understand this utility model in the following description.But this utility model can
To be implemented different from alternate manner described here with multiple, those skilled in the art can be without prejudice to this utility model intension
In the case of do similar popularization.Therefore this utility model is not limited by following public specific embodiment.
As shown in figure 1, in order to improve the reliability of force feedback detection, safety, stability after supporting leg lands.This practicality
New provide a kind of supporting leg, including outrigger arm 1, support oil cylinder 2, sensor.Movable plate 3, supporting leg are provided with outrigger arm 1
Oil cylinder 2 is fixed on movable plate 3.Baffle plate 4 is provided with outrigger arm 1, movable plate 3 is located at below baffle plate 4, is used for placing restrictions on movement
Plate 3 continues to move up.Connecting rod bores is offered on movable plate 3 and baffle plate 4, bolt 7 passes through the company of movable plate 3 and baffle plate 4
Extension bar hole, nut of screwing on bolt 7.In addition, bolt 7 and nut can also be replaced using other connecting rods, such as:Connecting rod
Two ends are big, middle little.
In the present embodiment, sensor is travel switch 5, is provided with detection bar 6, travel switch 5 is located on movable plate 3
Above detection bar 6.
When support oil cylinder 2 is not supported on ground, support oil cylinder 2 does not land stress, and movable plate 3 and support oil cylinder 2 are in weight
In the presence of power, it is in lower position (as shown in Figure 1), bolt 7 and nut start stress.The upper surface of movable plate 3 and baffle plate 4
Lower surface between formed apart from L for movable plate the amount of movement about 3, amount of movement can by tighten or unscrew nut adjust
Section.Amount of movement can be touched stroke according to travel switch 5 and determine.Now, because detection bar 6 does not touch travel switch 5, stroke
Switch 5 attonitys, travel switch 5 is closed.
When support oil cylinder 2 supports on the ground, support oil cylinder 2 lands stress, and movable plate 3 and support oil cylinder 2 are on ground
Under counteracting force, movable plate 3 and support oil cylinder 2 move down, and movable plate 3 is resisted against limited on baffle plate 4.Now, detection bar 6
Also touching travel switch 5, travel switch 5 action are moved up therewith, travel switch 5 is in closure state.The pass of travel switch 5
Close and closure signal, can reflect supporting leg land after stressing conditions.
This utility model improves the reliability of force feedback detection, safety, stability after supporting leg lands.Effectively prevent
Aerial work platform tipping condition occurs.Ensure operator's processing safety.
In order to prevent support oil cylinder 2 top beat from exceeding travel switch 5 detection range, what raising supporting leg detected further can
By property, safety, stability, in further technical scheme, the cylinder barrel lower end of support oil cylinder 2 is connected with movable plate 3, stroke
Switch 5 is located at the cylinder barrel lower end of support oil cylinder 2.Because the cylinder barrel lower end beat of support oil cylinder is less, without departing from travel switch 5
Detection range.Thus improve the reliability of supporting leg detection, safety, stability.
In order to adjust detection bar 6 further with travel switch 5 touching stroke so that travel switch 5 action moment is more accurate,
Improve the precision of force feedback detection after supporting leg lands.Screwed hole is offered on movable plate 3, detection bar 6 one end is provided with spiral shell
Stricture of vagina section, thread segment is coordinated with screwed hole.By unscrewing and tightening detection bar 6, to adjust between detection bar 6 and travel switch 5
Distance is so that travel switch 5 action moment is more accurate.
In order to adjust detection bar 6 further with travel switch 5 touching stroke so that travel switch 5 action moment is more accurate,
Improve the precision of force feedback detection after supporting leg lands.Detection bar 6 other end is provided with true plate, touch panel cross-sectional area is more than inspection
The cross-sectional area of measuring staff 6.After support oil cylinder 2 lands stress, there is beat, because touch panel cross-sectional area is big, without departing from row
Cheng Kaiguan 5 detection range.Detection reliability, safety, stability are this improves.
This utility model additionally provides second embodiment (not shown):Sensor is pressure transducer, pressure
Sensor is provided with baffle plate 4, and when support oil cylinder 2 is supported on ground, movable plate 3 is resisted against on baffle plate 4, and pressure transducer can
The pressure to baffle plate 4 for the movable plate 3 is detected, to feed back stressing conditions after supporting leg lands.When pressure transducer detects pressure letter
Number when, illustrate that movable plate 3 moves up spacing by baffle plate 4, movable plate 3 is in upper limit position.The program not only can detect
Movable plate 3 is in position signalling, and stress size after supporting leg lands can be detected.The program is optimum embodiment scheme,
Detection reliability, safety, good stability.
This utility model additionally provides the third optimum embodiment scheme (not shown):Sensor is range finding sensing
Device, distance between distance measuring sensor detection baffle plate 4 and movable plate 3, when the distance between baffle plate 4 and movable plate 3 are for 0, also
When being that movable plate 3 is resisted against on baffle plate 4, illustrate supporting leg land after stress.The program equally can improve detection reliability, safety
Property, move qualitative.
This utility model additionally provides the 4th kind of optimum embodiment scheme (not shown):Sensor is travel switch 5,
The cylinder barrel of support oil cylinder 2 is provided with contact, when movable plate 3 is moved upwards up to precalculated position, contact can be touched stroke and open
Close 5 actions.The program equally can improve detection reliability, safety, move qualitative.
In addition, this utility model additionally provides a kind of aerial work platform including above-mentioned supporting leg.
Specific case used herein is set forth to principle of the present utility model and embodiment, above example
Explanation be only intended to help understand core concept of the present utility model.It should be pointed out that the ordinary skill for the art
For personnel, on the premise of without departing from this utility model principle, this utility model can also be carried out with some improvement and modify,
These improve and modification also falls in this utility model scope of the claims.
Claims (10)
1. a kind of supporting leg, it is characterised in that including outrigger arm (1), support oil cylinder (2), sensor, is above installed in outrigger arm (1)
There are movable plate (3) and baffle plate (4), baffle plate (4) is located above movable plate (3), baffle plate (4) is used for placing restrictions on movable plate (3) and moves upwards
Dynamic, support oil cylinder (2) is arranged on movable plate (3), and movable plate (3) can confronting legs arm (1) move up and down, in outrigger arm (1)
On sensor is installed;Sensor is used for detecting the status signal that movable plate (3) or support oil cylinder (2) move up.
2. supporting leg according to claim 1 is it is characterised in that the cylinder barrel lower end of support oil cylinder (2) is connected with movable plate (3)
Connect, sensor is located at the cylinder barrel lower end of support oil cylinder (2).
3. supporting leg according to claim 2, it is characterised in that including connecting rod, is opened on movable plate (3) and baffle plate (4)
It is provided with connecting rod bores, connecting rod passes through the connecting rod bores of movable plate (3) and baffle plate (4), when support oil cylinder (2) is not supported on ground
When, the distance (L) being formed between the lower surface of the upper surface of movable plate (3) and baffle plate (4) is the upper and lower movement of movable plate (3)
Amount.
4. supporting leg according to claim 3 it is characterised in that connecting rod be bolt (7), nut of screwing on bolt (7);
Described amount of movement can be adjusted by tightening or unscrewing nut.
5. the supporting leg according to Claims 1-4 any one, it is characterised in that sensor is travel switch (5), is moving
Detection bar (6) is provided with dynamic plate (3), travel switch (5) is located above detection bar (6);When movable plate (3) be moved upwards up to pre-
When positioning is put, detection bar (6) can touch travel switch (5) action.
6. supporting leg according to claim 5 is it is characterised in that offer screwed hole, detection bar (6) on movable plate (3)
One end is provided with thread segment, and thread segment is coordinated with screwed hole;Touch panel is set in detection bar (6) other end, touch panel cross-sectional area is big
Cross-sectional area in detection bar (6).
7. the supporting leg according to Claims 1-4 any one, it is characterised in that sensor is travel switch (5), is propping up
On the cylinder barrel of lower limb oil cylinder (2), contact is installed, when movable plate (3) is moved upwards up to precalculated position, contact can be touched stroke and open
Close (5) action.
8. it is characterised in that sensor is pressure transducer, pressure passes the supporting leg according to Claims 1-4 any one
Sensor is provided with baffle plate (4), when movable plate (3) be resisted against on baffle plate (4) placed restrictions on move up when, pressure transducer can be examined
Measure the active force to baffle plate (4) for the movable plate (3).
9. it is characterised in that sensor is distance measuring sensor, range finding passes the supporting leg according to Claims 1-4 any one
Sensor can detect distance between baffle plate (4) and movable plate (3).
10. a kind of aerial work platform is it is characterised in that include the supporting leg as described in claim 1 to 9 any one.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201620977102.3U CN205973690U (en) | 2016-08-30 | 2016-08-30 | Landing leg and aerial working platform |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201620977102.3U CN205973690U (en) | 2016-08-30 | 2016-08-30 | Landing leg and aerial working platform |
Publications (1)
Publication Number | Publication Date |
---|---|
CN205973690U true CN205973690U (en) | 2017-02-22 |
Family
ID=58040425
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201620977102.3U Withdrawn - After Issue CN205973690U (en) | 2016-08-30 | 2016-08-30 | Landing leg and aerial working platform |
Country Status (1)
Country | Link |
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CN (1) | CN205973690U (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106219459A (en) * | 2016-08-30 | 2016-12-14 | 湖南星邦重工有限公司 | A kind of supporting leg and aerial work platform |
CN111688650A (en) * | 2020-07-23 | 2020-09-22 | 徐州徐工随车起重机有限公司 | Landing leg with telescopic state detection mechanism and operation vehicle |
-
2016
- 2016-08-30 CN CN201620977102.3U patent/CN205973690U/en not_active Withdrawn - After Issue
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106219459A (en) * | 2016-08-30 | 2016-12-14 | 湖南星邦重工有限公司 | A kind of supporting leg and aerial work platform |
CN106219459B (en) * | 2016-08-30 | 2019-06-14 | 湖南星邦重工有限公司 | A kind of supporting leg and aerial work platform |
CN111688650A (en) * | 2020-07-23 | 2020-09-22 | 徐州徐工随车起重机有限公司 | Landing leg with telescopic state detection mechanism and operation vehicle |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
AV01 | Patent right actively abandoned |
Granted publication date: 20170222 Effective date of abandoning: 20190614 |
|
AV01 | Patent right actively abandoned |