CN212024709U - Adjustable self-leveling supporting leg for overhead working truck - Google Patents
Adjustable self-leveling supporting leg for overhead working truck Download PDFInfo
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- CN212024709U CN212024709U CN202020591149.2U CN202020591149U CN212024709U CN 212024709 U CN212024709 U CN 212024709U CN 202020591149 U CN202020591149 U CN 202020591149U CN 212024709 U CN212024709 U CN 212024709U
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Abstract
The utility model relates to the technical field of construction site appliances, in particular to an adjustable self-leveling supporting leg for an overhead working truck, an adjustable self-leveling supporting leg for an overhead working truck comprises a bearing frame, supporting devices connected to four corners of the bearing frame through rotating assemblies, and a positioning mechanism, the supporting device comprises a lifting arm screwed with the rotating component and a supporting arm connected with the lifting arm, two reinforcing plates are arranged at the joint of the lifting arm and the top of the supporting arm, a movable plate is arranged at the bottom of the supporting arm, an adjusting oil cylinder which connects the rotating assembly and the reinforcing plate through a first pin shaft is arranged between the rotating assembly and the reinforcing plate, and the angle sensor and the controller are arranged on the bearing frame and used for detecting the levelness of the bearing frame in real time, the support device can effectively prevent the support device from being damaged, can adjust the support position according to the field condition, and has stronger practicability.
Description
Technical Field
The utility model belongs to the technical field of building site utensil technique and specifically relates to a self-leveling landing leg with adjustable be used for high altitude construction car.
Background
With the continuous change and development of life and production, the application of the overhead working truck is more and more extensive, and the overhead working truck plays more and more important roles in the aspects of the arrangement and installation of facilities in buildings, home decoration, electric power operation, large-scale shopping malls, large-scale cultural and sports places, the construction of light rails and bridges, the daily maintenance and cleaning of large-scale equipment such as airplanes and the like.
In order to meet the requirements of production and life, the structure of the overhead working truck is required to be continuously developed and innovated. In terms of various forms of current high-altitude operation vehicles, the crawler self-propelled type is more common, and has obvious advantages compared with other forms of operation vehicles such as wheel self-propelled type, vehicle-mounted type and the like. The walking mechanism of the crawler self-propelled working vehicle adopts a crawler, has large contact area with the ground and small pressure on the ground, can be used for indoor operation, and has a limited road condition range in the mode of tires adopted by other working vehicles; and wheeled self-propelled and vehicular can only use on the better road surface of ground condition, can not satisfy the electric power trade use of most in field work, and track self-propelled high altitude construction car has filled up the blank of operation car in this respect, can adapt to various complicated field road conditions.
Present track self-propelled aerial working car includes the superstructure, and the strutting arrangement who constitutes by members such as pneumatic cylinder driven landing leg below the superstructure, because each landing leg when supporting, bears the weight of difference, makes each landing leg when supporting, and the extension speed is different, causes the holding surface slope to and damage the landing leg, moreover, present landing leg position is single, can not be according to the site conditions, adjustment landing leg support position has certain use limitation.
Disclosure of Invention
Aiming at the defects of the prior art, the adjustable self-leveling supporting leg for the overhead working truck is provided, the supporting device can be effectively prevented from being damaged, the supporting position can be adjusted according to the field condition, and the adjustable self-leveling supporting leg has strong practicability.
In order to solve the technical problems, the utility model adopts the technical proposal that the adjustable self-leveling supporting leg for the overhead working truck comprises a bearing frame, a supporting device connected with four corners of the bearing frame through a rotating assembly, and a positioning mechanism used for positioning after the supporting device rotates to a preset position, the supporting device comprises a lifting arm in threaded connection with the rotating assembly and a supporting arm connected with the lifting arm, two reinforcing plates are arranged at the joint of the lifting arm and the top of the supporting arm, a movable plate is arranged at the bottom of the supporting arm, an adjusting oil cylinder which connects the rotating assembly and the reinforcing plate through a first pin shaft is arranged between the rotating assembly and the reinforcing plate, and the angle sensor is arranged on the bearing frame and used for detecting the levelness of the bearing frame in real time, and the controller sends a stop signal to each adjusting oil cylinder when the angle sensor detects that the bearing frame reaches the horizontal position.
Foretell a landing leg of making level certainly with adjustable be used for high altitude construction car, the runner assembly includes two parallel arrangement's otic placode to and locate the diaphragm that is used for connecting two otic placodes between two otic placodes, be equipped with the through-hole that runs through the diaphragm and bear the frame on the diaphragm and bear the frame, be equipped with the pivot on the through-hole, be equipped with at the pivot both ends and be used for connecting the diaphragm in the bolt that bears the frame, be equipped with the screw thread in the pivot.
Foretell a landing leg of making level certainly with adjustable be used for high altitude construction car, positioning mechanism includes a round chamber that runs through in the diaphragm, be equipped with the thread cover at the round chamber top, be equipped with compression spring in the round chamber, and a lifting rod, it carries the handle to be equipped with at the lifting rod top, be equipped with one on lifting rod bottom outer wall be used for with compression spring complex annular plate, be equipped with a locating lever on lifting rod bottom surface, it is equipped with a plurality ofly to be used for and locating lever complex locating hole to be arc interval on bearing the frame, it is equipped with the first travel switch that is used for monitoring the locating lever and gets into the locating hole to carry handle one side to and locate the travel switch fixed plate on the diaphragm.
The adjustable self-leveling support leg for the overhead working truck is characterized in that the two reinforcing plates are correspondingly provided with the elliptical holes 16 allowing the first pin shafts to pass through, one side of each elliptical hole is provided with the second travel switch, and the horizontal distance between each first pin shaft and the corresponding elliptical hole is 10 mm.
Foretell be used for self-leveling landing leg with adjustable high altitude construction car, the fly leaf is including locating the fixed chamber of support arm bottom, and the top welds the universal joint in fixed chamber to and with universal joint bottom clearance fit's clamp plate, and with the bottom plate 23 of clamp plate spiro union.
The adjustable self-leveling supporting leg for the overhead working truck is characterized in that two triangular fixing plates are correspondingly arranged at the joint of the lifting arm and the bottom of the supporting arm.
The utility model discloses a self-leveling landing leg with adjustable be used for high altitude construction car's beneficial effect is, bear the levelness through angle sensor real-time detection, with the controller cooperation, opening of control adjusting cylinder stops, guarantee the levelness of holding surface, guarantee operation safety, positioning mechanism can adjust the holding position according to the site conditions, and when each jacking landing leg supports, the movable assembly can carry out angle compensation to the support arm that inclines, effectively prevent strutting arrangement's damage, it is first, two travel switch guarantee to support the action in the front, the last dress action on the high altitude construction car is after, ensure the action safety of facial make-up, can have stronger practicality.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view of a portion B of FIG. 1;
FIG. 3 is an enlarged view of a portion A of FIG. 1;
FIG. 4 is an enlarged view of a portion C of FIG. 1;
fig. 5 is a cross-sectional view of the positioning mechanism.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1, 2, 3, 4 and 5, the adjustable self-leveling leg for the high-altitude operation vehicle comprises a bearing frame 1, a supporting device connected with four corners of the bearing frame through a rotating assembly, and a positioning mechanism used for positioning after the supporting device rotates to a preset position, the supporting device comprises a lifting arm 2 screwed with the rotating component and a supporting arm 3 connected with the lifting arm, two reinforcing plates 20 are arranged at the joint of the lifting arm and the top of the supporting arm, a movable plate is arranged at the bottom of the supporting arm, an adjusting oil cylinder 4 which is connected with the rotating assembly and the reinforcing plate through a first pin shaft 19 is arranged between the rotating assembly and the reinforcing plate, and the adjusting oil cylinder also comprises an angle sensor which is arranged on the bearing frame and is used for detecting the levelness of the bearing frame in real time, and a controller, the PLC can be selected, and when the angle sensor detects that the bearing frame reaches the horizontal position, the controller sends stop signals to the adjusting oil cylinders.
Foretell a landing leg of making level certainly with adjustable be used for high altitude construction car, the runner assembly includes two parallel arrangement's otic placode 17 to and locate between two otic placodes be used for the diaphragm 6 of connecting two otic placodes, be equipped with the through-hole that runs through the diaphragm and bear the frame on the diaphragm and bear the frame, be equipped with pivot 5 on the through-hole, be equipped with at the pivot both ends and be used for connecting the diaphragm in the bolt that bears the frame, be equipped with the screw thread in the pivot.
The adjustable self-leveling supporting leg for the overhead working truck comprises a round cavity 7 penetrating through a transverse plate, a threaded cover 8 is arranged at the top of the round cavity, a compression spring 9 and a lifting rod 10 are arranged in the round cavity, a lifting handle 11 is arranged at the top of the lifting rod, an annular plate 12 used for being matched with a compression spring is arranged on the outer wall of the bottom of the lifting rod, a positioning rod 14 is arranged on the bottom surface of the lifting rod, a plurality of positioning holes 13 matched with the positioning rod are arranged on the bearing frame at intervals in an arc shape, a first travel switch 15 for monitoring the positioning rod to enter the positioning hole and a travel switch fixing plate arranged on the transverse plate are arranged on one side of the lifting handle, when the positioning rod is overlapped with the positioning hole, the compression spring drives the positioning rod to enter the positioning hole, the positioning rod drives the lifting handle to trigger the first travel switch downwards, and the positioning work is finished.
Foretell a landing leg of making level certainly with adjustable be used for high altitude construction car, correspond on two gusset plates and be equipped with the elliptical aperture 16 that allows first round pin axle to pass through, be equipped with second travel switch 18 in elliptical aperture one side, the horizontal distance of first round pin axle and elliptical aperture is 10mm, accomplish at the support arm and extend the back, because the reaction force on ground, make first round pin axle go 10mm after in the elliptical aperture again, trigger second travel switch, support work is accomplished, guarantee to support the action in the front, the action of facial make-up on the high altitude construction car is after, ensure the action safety of facial make-up.
The adjustable self-leveling supporting leg for the overhead working truck comprises a fixed cavity formed in the bottom of the supporting arm, a universal joint 21 with the top welded in the fixed cavity, a pressing plate 22 in clearance fit with the bottom of the universal joint, and a bottom plate 23 in threaded connection with the pressing plate.
The adjustable self-leveling supporting leg for the overhead working truck is characterized in that two triangular fixing plates 24 are correspondingly arranged at the joint of the lifting arm and the bottom of the supporting arm, so that the connection stability of the lifting arm and the supporting arm is improved.
Of course, the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and the changes, modifications, additions or substitutions made by those skilled in the art within the scope of the present invention should also belong to the protection scope of the present invention.
Claims (6)
1. A landing leg of making level certainly with adjustable be used for high altitude construction car, its characterized in that: including one and bear the frame, connect in the strutting arrangement who bears the frame four corners through rotating assembly to and be used for rotating to the predetermined position after strutting arrangement, carry out the positioning mechanism who fixes a position, strutting arrangement includes the arm that rises and falls with the rotating assembly spiro union, and with the support arm that the arm is connected that rises and falls, be equipped with two reinforcing plates in the top junction of the arm that rises and falls and support arm, be equipped with the fly leaf bottom the support arm, be equipped with the adjusting cylinder who connects the two through first round pin axle between rotating assembly and reinforcing plate, still including locating the angle sensor who bears the frame on being used for real-time detection and bear the frame levelness, and a controller, when angle sensor detected to bear the frame and reach horizontal position, the controller sends stop signal to each adjusting.
2. The adjustable self-leveling leg for the aerial work platform as claimed in claim 1, wherein the rotating assembly comprises two parallel ear plates and a second cross plate disposed between the two ear plates for connecting the two ear plates, through holes penetrating the second cross plate and the bearing frame are formed in the second cross plate and the bearing frame, a rotating shaft is disposed in the through holes, bolts for connecting the cross plate to the bearing frame are disposed at two ends of the rotating shaft, and threads are disposed on the rotating shaft.
3. The adjustable self-leveling leg for overhead working truck as claimed in claim 2, wherein the positioning mechanism comprises a circular cavity penetrating the second cross plate, a threaded cap is disposed on the top of the circular cavity, a compression spring is disposed in the circular cavity, and a lifting rod is disposed on the top of the lifting rod, an annular plate for engaging with the compression spring is disposed on the outer wall of the bottom of the lifting rod, a positioning rod is disposed on the bottom surface of the lifting rod, a plurality of positioning holes for engaging with the positioning rod are disposed on the bearing frame at intervals, a first stroke switch for monitoring the positioning rod entering the positioning hole is disposed on one side of the lifting handle, and a first stroke switch fixing plate is disposed on the second cross plate.
4. The adjustable self-leveling leg for the aerial work platform as claimed in claim 3, wherein the two reinforcing plates are correspondingly provided with elliptical holes for allowing the first pin shaft to pass through, and one side of the elliptical holes is provided with a second travel switch.
5. The adjustable self-leveling leg for the aerial work platform as claimed in claim 4, wherein the movable plate comprises a fixed cavity formed in the bottom of the support arm, a universal joint welded to the top of the fixed cavity, a pressing plate in clearance fit with the bottom of the universal joint, and a bottom plate in threaded connection with the pressing plate.
6. The adjustable self-leveling leg for the aerial platform as claimed in claim 5, wherein two triangular fixing plates are correspondingly arranged at the connection part of the lifting arm and the bottom of the supporting arm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020591149.2U CN212024709U (en) | 2020-04-20 | 2020-04-20 | Adjustable self-leveling supporting leg for overhead working truck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020591149.2U CN212024709U (en) | 2020-04-20 | 2020-04-20 | Adjustable self-leveling supporting leg for overhead working truck |
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| CN212024709U true CN212024709U (en) | 2020-11-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020591149.2U Active CN212024709U (en) | 2020-04-20 | 2020-04-20 | Adjustable self-leveling supporting leg for overhead working truck |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115012277A (en) * | 2022-06-14 | 2022-09-06 | 黑龙江农垦建工路桥有限公司 | Stamping device for ATB-25 asphalt concrete flexible base layer |
-
2020
- 2020-04-20 CN CN202020591149.2U patent/CN212024709U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115012277A (en) * | 2022-06-14 | 2022-09-06 | 黑龙江农垦建工路桥有限公司 | Stamping device for ATB-25 asphalt concrete flexible base layer |
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