CN204607488U - The tripod jack of horizontal self adaptation positioning - Google Patents
The tripod jack of horizontal self adaptation positioning Download PDFInfo
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- CN204607488U CN204607488U CN201520016898.1U CN201520016898U CN204607488U CN 204607488 U CN204607488 U CN 204607488U CN 201520016898 U CN201520016898 U CN 201520016898U CN 204607488 U CN204607488 U CN 204607488U
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- tripod
- self adaptation
- horizontal self
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Abstract
The tripod jack of the horizontal self adaptation positioning of the utility model, comprises jack, is arranged on the sensor on mandril of lifting jack, and be fixedly connected on the tripod on jack; Sled mechanism is respectively arranged with bottom each feet of tripod; Sled mechanism comprises can the upper board component of relative sliding and lower board component in the horizontal direction, and upper board component top is fixedly connected with corresponding feet, and upper board component lower buckle is combined on lower board component.By the sled mechanism arranged respectively on each feet of tripod, make in jack jacking process, when running into the change of supported object generation relative position, the side force suffered by supported object is offset by feet simultaneously slip in the horizontal direction, form the stressed face, face of above-below direction by the lower board component that mutually fastens and upper board component to transmit, ensure that the fault-tolerant adjustment in power transmittance process; Ensure that the survey precision of aircraft weighting, the aircaft configuration avoiding the stressed dislocation occurred in jacking process to cause damages.
Description
Technical field
The utility model belongs to aircraft floor guarantee and weighing technology field, relates to the tripod jack of horizontal self adaptation positioning.
Background technology
Safety, steadily and smoothly with jack by aircraft jack-up, be very important in aircraft floor ensures, be combined the weight and center-of-gravity position that measure aircraft accurately with sensor with jack equally, the safe flight of guarantee aircraft is absolutely necessary.
Aircraft is with in jack jacking process, fuselage and wing will be out of shape because of stressed, to be combined with sensor with jack aircraft is weighed time, fuselage and wing also will be out of shape because of stressed, when aircraft does pose adjustment, the relative position of the top nest of jack and aircraft also will change, these distortion of aircraft and relative position change, safe, the steady jacking of aircraft will be affected, more have impact on weighing and the accuracy of center-of-gravity position of aircraft; Simultaneously due to the change of relative position generation, make in the overall accuracy of a set of high precision measurement system, the error that in stress value transmittance process, physical construction produces accounts for 30% of combined error, it is mainly because jack in prior art cannot eliminate the harmful effect that brings of side force because change in location produces, all pre-estimation can only be passed through in prior art, adjustment in early stage is carried out to the position of jack, eliminate the change in location occurred in jacking process, adjustment and the correction of position in the horizontal direction cannot be realized while jacking.
Utility model content
For problems of the prior art, the tripod jack that the utility model provides horizontal self adaptation to transpose, can realize from Row sum-equal matrix for the shift in position of supported object in the horizontal direction, ensure that stress point and the strong point remain on same vertical line, improve survey precision, ensure use safety.The utility model is achieved through the following technical solutions:
The tripod jack of horizontal self adaptation positioning, comprises jack, is arranged on the sensor on mandril of lifting jack, and be fixedly connected on the tripod on jack; Sled mechanism is respectively arranged with bottom each feet of described tripod; Sled mechanism comprises can the upper board component of relative sliding and lower board component in the horizontal direction, and upper board component top is fixedly connected with corresponding feet, and upper board component lower buckle is combined on lower board component.
Preferably, lower board component upper surface is provided with annular groove, and upper board component lower surface is provided with annular boss; After upper board component and lower board component fasten, the rubber return body in integrative-structure is set in the annular housing that annular boss inboard portion and annular groove are formed; Be fixedly installed lower bolster bottom annular groove, annular boss inside bottom is fixedly installed upper padding plate.
Further, the outshot cross-sectional plane of lower board component inner ring connected in star central authorities is round rectangle.
Further, rubber return body is provided with the some through holes arranged in the axial direction, and the some notches be disposed radially.
Further again, annular boss and lower bolster contact surface are fixedly installed lower contact plate, the contact surface of lower board component and upper padding plate is fixedly installed contact plate.
Further, upper padding plate and lower bolster all adopt stainless steel sheet to make; Upper contact plate and lower contact plate all adopt polyfluortetraethylene plate to make.
Further, the sidewall of lower board component is provided with the caging bolt that end stretches into annular boss, the corresponding caging bolt of upper board component is circumferentially provided with spacing oval hole.
Preferably, lower board component is fixedly installed jug, and handle is fixed on lower board component by the briquetting that end is arranged.
Compared with prior art, the utility model has following useful technique effect:
The utility model, by the sled mechanism arranged respectively on each feet of tripod, makes in jack jacking process, when running into the change of supported object generation relative position, can realize self-adaptative adjustment on level attitude, eliminating the interference of side force; The side force suffered by supported object is offset by feet simultaneously slip in the horizontal direction, while ensure that stressed maintenance is vertical, form the stressed face, face of above-below direction by the lower board component that mutually fastens and upper board component to transmit, ensure that the fault-tolerant adjustment of application force not when same direction in power transmittance process; Ensure that survey precision during aircraft weighting, and avoid the damage of the aircaft configuration that the stressed dislocation that occurs in jacking process causes, structure is simple, reasonable in design, easy to use, safe and reliable, the comparatively big error produced in inclination when overcoming the jack jacking of tradition without skateboard or jack head sensor force transmittance process, prevent jack from pushing up damage aircraft because its head that tilts skids off aircraft top nest, or improve the survey precision of jack hot nose.
Further, by the cavity formed between inside ringed groove and annular boss, rubber return body is set, all angles are in the horizontal direction after being subject to side force to utilize the elasticity of rubber self ensure that, elastic deformation can both be there is, after side force is disappeared, self-return is to initial condition, jack integrally-built stability when ensure that each use; Utilize annular boss Outboard Sections to ensure that the mobile space of slide plate when there is deformation, ± more than 25mm can both be moved in any direction of level; After utilizing the upper lower bolster be fixedly installed to make fastening, contact surface does not come in contact with rubber return body, only be subject to the restoring force of rubber return body when ensure that sled mechanism horizontal slip, and the friction force that rubber return body can not be produced because of pressurized hinders the position adjustment of sled mechanism horizontal direction.
Further, by the setting that the outshot cross-sectional plane of annular groove central authorities is round rectangle, can ensure, to the restriction of rubber return body horizontal direction rotary freedom, better can ensure the directive property of rubber return body elasticity deformation, ensure the stable of jack work.
Further, utilize the through hole of setting and notch can not only reduce overall quality, reduce productive costs, and the deflection of rubber return body elasticity deformation can be increased, meet deformation and the requirement of deformation return of the adjustment of jack horizontal direction, and then ensure the accuracy requirement that aircraft weighs, and increase the compact of structure, weight is light, is more suitable for portable and installs.
Further, by the contact plate up and down arranged on the contact surface, friction factor between itself and upper lower bolster can be regulated easily on the one hand, thus regulate the effect that jack slides in the horizontal direction, can realize changing to the wear-out part of contact surface on the other hand, avoid the direct replacing to upper and lower plates assembly, reduce productive costs, improve service life, simplify daily attention.
Further, by the setting of caging bolt, ensure that upper and lower plates assembly is in the connection of axis direction and spacing, makes Stability Analysis of Structures of the present utility model, can use continuously and realize self adaptation positioning, without the need to assembling when each use; Utilize the handle of setting can facilitate and the maintenance carrying out sled mechanism flexibly simultaneously, convenient and safe, efficient quick.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of structure described in the utility model example.
Fig. 2 is the structural representation of Fig. 1 middle slide plate mechanism.
Fig. 3 is the birds-eye view of rubber return body in Fig. 2.
Wherein: 1 is sled mechanism, 2 is jack, and 3 is sensor, 4 is tripod, and 101 is handle, and 102 is briquetting, 103 is screw, and 104 is lower board component, and 105 is upper contact plate, 106 is upper padding plate, and 107 is rubber return body, and 108 is upper board component, 109 for loosening assembly, and 1010 is caging bolt, and 1011 is lower contact plate, 1012 is lower bolster, and 1071 is through hole, and 1072 is notch.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is described in further detail:
The tripod jack of the horizontal self adaptation positioning of the utility model, as shown in Figure 1, comprises jack 2, is arranged on the sensor 3 on jack 2 push rod, and be fixedly connected on the tripod 4 on jack 2; Sled mechanism 1 is respectively arranged with bottom each feet of described tripod 4; As shown in Figure 2, sled mechanism 1 comprises can the upper board component 108 of relative sliding and lower board component 104 in the horizontal direction, and upper board component 108 top is fixedly connected with corresponding feet, and upper board component 108 lower buckle is combined on lower board component 104.Under three cover sled mechanism 3 are separately positioned on three feets of jack, and it is motionless to lie in ground.Slide plate 3 under every feet can all move ± more than 25mm in any direction of level attitude, slide plate can at the rear self-return of end of weighing, thus synchronous occurred level moving when being subject to side force, overcoming the side force interference of horizontal direction, improving the accuracy that power is transmitted.Sensor is connected to the top of jack, and under being bearing in aircraft, weighing and barycenter test for aircraft.
In this preferred embodiment, as shown in Figure 2, lower board component 104 upper surface is provided with annular groove, and upper board component 108 lower surface is provided with annular boss; After upper board component 108 fastens with lower board component 104, the rubber return body 107 in integrative-structure is set in the annular housing that annular boss inboard portion and annular groove are formed; Annular groove and annular boss inside bottom are fixedly installed lower bolster 112 and upper padding plate 105 respectively.As shown in Figure 3, in lower board component 104, the outshot cross-sectional plane of annular groove central authorities is round rectangle; Rubber return body 107 is provided with the some through holes 1071 arranged in the axial direction, and the some notches 1072 be disposed radially.
In this preferred embodiment, as shown in Figure 2, annular boss and lower bolster 110 contact surface are fixedly installed lower contact plate 111, lower board component 104 and the contact surface of upper padding plate are fixedly installed contact plate 105.The sidewall of lower board component 104 is provided with the caging bolt 110 that end stretches into annular boss, the corresponding caging bolt of upper board component 108 110 is circumferentially provided with spacing oval hole.Lower board component 104 is fixedly installed jug 101, and handle 101 is fixed on lower board component 104 by the briquetting 102 that end is arranged.
This preferred embodiment all adopts stainless steel sheet to make with upper padding plate 106 and lower bolster 112; Upper contact plate 105 and lower contact plate 111 all adopt polyfluortetraethylene plate to be made for example and are described.
When using the utility model to carry out weighing and the center of gravity location of aircraft, the side force of horizontal direction is carried after upper board component 108 is by the transmission of jack 2 and tripod 4, three cover skateboard components 1 synchronously can produce upper relative sliding between board component 108 and lower board component 104 in the horizontal direction, because rubber return body 107 is squeezed distortion, thus produce certain restoring force, until the subsidiary load in the restoring force produced and horizontal direction stops being out of shape when forming a pair balancing force, make a concerted effort to be zero, namely the interference of the side force of horizontal direction is eliminated.When use terminates, after the side force of horizontal direction is cancelled, rubber return body 107 under the effect of restoring force, can get back to original position, and drives sled mechanism 4 and the tripod 4 that it sets gradually and jack 2 and sensor 3 to revert to initial position.
Claims (8)
1. the tripod jack of horizontal self adaptation positioning, it is characterized in that, comprise jack (2), be arranged on the sensor (3) on jack (2) push rod, and be fixedly connected on the tripod (4) on jack (2); Sled mechanism (1) is respectively arranged with bottom each feet of described tripod (4); Sled mechanism (1) comprises can the upper board component (108) of relative sliding and lower board component (104) in the horizontal direction, upper board component (108) top is fixedly connected with corresponding feet, and upper board component (108) lower buckle is combined on lower board component (104).
2. the tripod jack of horizontal self adaptation positioning according to claim 1, it is characterized in that, described lower board component (104) upper surface is provided with annular groove, and upper board component (108) lower surface is provided with annular boss; After upper board component (108) and lower board component (104) fasten, the rubber return body (107) in integrative-structure is set in the annular housing that annular boss inboard portion and annular groove are formed; Be fixedly installed lower bolster (112) bottom annular groove, annular boss inside bottom is fixedly installed upper padding plate (105).
3. the tripod jack of horizontal self adaptation positioning according to claim 2, it is characterized in that, the outshot cross-sectional plane of the described interior annular groove central authorities of lower board component (104) is round rectangle.
4. the tripod jack of horizontal self adaptation positioning according to claim 2, it is characterized in that, described rubber return body (107) is provided with the some through holes (1071) arranged in the axial direction, and the some notches (1072) be disposed radially.
5. the tripod jack of horizontal self adaptation positioning according to claim 2, it is characterized in that, annular boss and lower bolster (110) contact surface are fixedly installed lower contact plate (111), lower board component (104) and the contact surface of upper padding plate are fixedly installed contact plate (105).
6. the tripod jack of horizontal self adaptation positioning according to claim 5, it is characterized in that, described upper padding plate (106) and lower bolster (112) all adopt stainless steel sheet to make; Upper contact plate (105) and lower contact plate (111) all adopt polyfluortetraethylene plate to make.
7. the tripod jack of horizontal self adaptation positioning according to claim 2, it is characterized in that, the sidewall of described lower board component (104) is provided with the caging bolt (110) that end stretches into annular boss, upper board component (108) corresponding caging bolt (110) is circumferentially provided with spacing oval hole.
8. the tripod jack of horizontal self adaptation positioning according to claim 1, it is characterized in that, described lower board component (104) is fixedly installed jug (101), and the briquetting (102) that handle (101) is arranged by end is fixed on lower board component (104).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520016898.1U CN204607488U (en) | 2015-01-09 | 2015-01-09 | The tripod jack of horizontal self adaptation positioning |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520016898.1U CN204607488U (en) | 2015-01-09 | 2015-01-09 | The tripod jack of horizontal self adaptation positioning |
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| Publication Number | Publication Date |
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| CN204607488U true CN204607488U (en) | 2015-09-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520016898.1U Active CN204607488U (en) | 2015-01-09 | 2015-01-09 | The tripod jack of horizontal self adaptation positioning |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106198224A (en) * | 2016-08-31 | 2016-12-07 | 姜会增 | Load load maintainer |
| CN115520802A (en) * | 2022-10-11 | 2022-12-27 | 中国航空制造技术研究院 | Digital attitude adjusting system for adjusting horizontal attitude of whole aircraft |
-
2015
- 2015-01-09 CN CN201520016898.1U patent/CN204607488U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106198224A (en) * | 2016-08-31 | 2016-12-07 | 姜会增 | Load load maintainer |
| CN115520802A (en) * | 2022-10-11 | 2022-12-27 | 中国航空制造技术研究院 | Digital attitude adjusting system for adjusting horizontal attitude of whole aircraft |
| CN115520802B (en) * | 2022-10-11 | 2024-01-09 | 中国航空制造技术研究院 | Digital attitude adjustment system for adjusting horizontal attitude of complete aircraft |
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