CN209621195U

CN209621195U - A kind of helicopter repair working stand

Info

Publication number: CN209621195U
Application number: CN201821580383.4U
Authority: CN
Inventors: 郑虎
Original assignee: Tianjin Caac Jinjiang Aviation Maintenance Engineering Co Ltd
Current assignee: Tianjin Caac Jinjiang Aviation Maintenance Engineering Co Ltd
Priority date: 2018-09-27
Filing date: 2018-09-27
Publication date: 2019-11-12
Anticipated expiration: 2028-09-27

Abstract

The utility model discloses a kind of helicopter repair working stands, including terraced seat and ladder, the bottom surface of the ladder seat is fixed with sawtooth, the sidewall surfaces of the ladder seat are provided with idler wheel, the outer sheath of the wheel shaft is equipped with lasso, it and is to be welded and fixed between lasso and idler wheel, fixture block is embedded with inside the two sides of the wheel shaft, the compression bar gos deep between the part of axle interior and the inner wall of wheel shaft being provided with spring, driving belt is socketed on the outside of the lasso, hydraulic cylinder is installed above the ladder seat, the upper left of the ladder is provided with ladder.The helicopter repair working stand is simple and practical in structure, hydraulic lifting can be carried out to working stand, needing the ramp period of the day from 11 p.m. to 1 a.m, ladder can be horizontally moved, when needing for ladder to be fixed, quickly ladder can also be fixed, and whether whole process is in use state without the concern for ladder, while the operation height that ladder is supported can carry out flexible modulation.

Description

A kind of helicopter repair working stand

Technical field

The utility model relates to repair to use working stand technical field, specially a kind of helicopter repair working stand.

Background technique

Helicopter is typical dual-use product, and it is multiple can be widely applied to transport, patrol, tourism, rescue etc. Field, helicopter is small in size, and movement is fast, although belonging to one kind of aircraft, than ordinary aircraft, such as passenger plane etc., application Place is more extensive, and helicopter is when carrying out normal maintenance maintenance, because of height reason, operator needs to use corresponding Equipment, such as supporting ladder etc., this kind of ladders are referred to as working stand, belong to one kind of ladder, light structure, and have good Enabling capabilities.

However existing working stand, often because the structure of ladder itself limits, causes during carrying out use The service performance of working stand is not high, time-consuming to take specifically for example, the lifting action majority of working stand is also to rely on manual adjustment The dynamic role of power, ladder is poor, and the operation height that ladder is supported is limited, causes the using effect of ladder not fully up to expectations, is This, it is proposed that a kind of helicopter repair working stand.

Utility model content

The purpose of this utility model is to provide a kind of helicopter repair working stands, to solve to mention in above-mentioned background technique The lifting action majority of working stand out is also to rely on manual adjustment, time-consuming and laborious, and the dynamic role of ladder is poor, and ladder is propped up The operation height held is limited, the problem for causing the using effect of ladder not fully up to expectations.

To achieve the above object, the utility model provides the following technical solutions: a kind of helicopter repair working stand, including The bottom surface of terraced seat and ladder, the ladder seat is fixed with sawtooth, and the interior of terraced seat is through having socket, the side wall of the ladder seat Surface is provided with idler wheel, and the intermediate tie of idler wheel is equipped with wheel shaft, and the outer sheath of the wheel shaft is equipped with lasso, and lasso and rolling To be welded and fixed between wheel, fixture block is embedded with inside the two sides of the wheel shaft, and fixture block is close to the side table of wheel shaft central axes Face is fixed with compression bar, and the compression bar gos deep between the part of axle interior and the inner wall of wheel shaft being provided with spring, the lasso Outside is socketed with driving belt, is equipped with hydraulic cylinder above the ladder seat, and the upper port of hydraulic cylinder is mounted with hydraulic stretch Contracting bar, the upper left of the ladder is provided with ladder, and ladder is located at side of the hydraulic cylinder far from terraced seat vertical centerline, institute The upper outer face for stating ladder offers slideway, and station plate is provided on the inside of the top of ladder, and the both ends of the station plate are embedded in In the inside of slideway, the centre of the slideway is provided with locking bolt, and locking bolt is located at the side close to station plate end, institute It states and is provided with steady on the right side of ladder, and steady is located at the upper right of ladder, the company of the steady and ladder, ladder and ladder It connects the equal screw in position and is connected with connection buckle, and the side wall of steady and ladder offers caulking groove, between the ladder and ladder, It is mounted on support corner bracket between ladder and terraced seat, the upper end screw of the steady, which is connected with, helps plate.

Preferably, the horizontal direction of the sawtooth and socket along terraced seat is placed equidistant with, and socket every two is one group, and And it is communicated between two sockets on same vertical line, while socket is the borehole structure that two sides are provided with square groove.

Preferably, size cooperates between the fixture block and wheel shaft, and constitutes bullet by spring between fixture block and wheel shaft Property mechanism, and cooperate between the external structure size of wheel shaft and the borehole structure size of socket, while the outside of fixture block It matches between structure size and the square groove structure size of socket.

Preferably, the both ends of station plate size between slideway cooperates, and the two sides of locking bolt and station plate It is to be threadedly coupled between end face.

Preferably, the hydraulic telescopic rod and hydraulic cylinder are symmetrically arranged with two groups, and the top difference of hydraulic telescopic rod It is welded with the bottom of ladder and the bottom of steady.

Preferably, size cooperates between the lateral wall of the ladder and the inner wall of caulking groove, and between ladder and ladder, Slide construction is constituted by caulking groove between steady and ladder.

Compared with prior art, the utility model has the beneficial effects that

1, the helicopter repair working stand is simple and practical in structure, can carry out hydraulic lifting to working stand, need to move When dynamic ladder, ladder can be horizontally moved, when needing for ladder to be fixed, quickly ladder can also be consolidated It is fixed, and whether whole process is in use state without the concern for ladder, while the operation height that ladder is supported can carry out Flexible modulation.

2, sawtooth is used to increase the frictional force between terraced seat bottom surface and ground, to improve stabilization when ladder fixed placement Property, socket uses the layout type of upper and lower two positions for being equipped with wheel shaft, socket, can satisfy the fixation of ladder and move and want It asks, when in the socket that wheel shaft is fitted in top, ladder is irremovable, and when in the socket that wheel shaft is fitted in lower section, ladder It can be moved；Fixture block cooperation provides movable supporting in the two sides of wheel shaft, by spring, presses fixture block, and fixture block is embedded into wheel shaft, Wheel shaft can be slid into from the socket of top in the socket of lower section at this time, or by above being mentioned in the socket of lower section to the socket of top In, fixture block, fixture block pop-up are unclamped, and be finally embedded into the two sides square groove structure of socket, wheel shaft is fixed.

3, hydraulic cylinder controls hydraulic telescopic rod by hydraulic principle and stretches, and ladder and steady are accordingly pushed, ladder Size cooperates between lateral wall and the inner wall of caulking groove, and ladder is that ladder and steady provide brace foundation, and ladder using with The dimensional fits of caulking groove provide for ladder and steady and slide basis, enable ladder and steady on the basis of ladder with liquid The promotion stabilization of pressure telescopic rod moves up；The stand shaft end of plate cooperates in slideway, on the basis of slideway, opposite to station plate can climb The position of ladder is moved, and can be locked to station plate with respect to the position of ladder using locking bolt, to guarantee the steady of station plate It is qualitative.

Detailed description of the invention

FIG. 1 is a schematic structural view of the utility model；

Fig. 2 is the utility model ladder seat partial structural diagram；

Fig. 3 is the utility model idler wheel structure schematic diagram；

Fig. 4 is the utility model idler wheel and terraced seat installation structure schematic diagram；

Fig. 5 is the utility model slideway and station plate fit structure schematic diagram；

Fig. 6 is the utility model steady structural schematic diagram.

In figure: 1, terraced seat；2, sawtooth；3, socket；4, idler wheel；5, wheel shaft；6, lasso；7, fixture block；8, compression bar；9, spring； 10, driving belt；11, hydraulic cylinder；12, hydraulic telescopic rod；13, ladder；14, ladder；15, slideway；16, it stands plate；17, spiral shell is locked Bolt；18, steady；19, buckle is connected；20, caulking groove；21, corner bracket is supported；22, plate is helped.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

Fig. 1-6 is please referred to, the utility model provides a kind of technical solution: a kind of helicopter repair working stand, including ladder Seat 1 and ladder 13, the bottom surface of terraced seat 1 are fixed with sawtooth 2, and the interior of terraced seat 1 is through having socket 3, sawtooth 2 and socket 3 Horizontal direction along terraced seat 1 is placed equidistant with, and 3 every two of socket be one group, and two sockets 3 on same vertical line it Between communicate, while socket 3 is that two sides are provided with the borehole structure of square groove, and sawtooth 2 is for increasing between terraced 1 bottom surface of seat and ground Frictional force, to improve stability when ladder fixed placement, socket 3 can satisfy using the layout type of upper and lower two positions The fixation and movement requirement of ladder, the sidewall surfaces of terraced seat 1 are provided with idler wheel 4, and the intermediate tie of idler wheel 4 is equipped with wheel shaft 5, The outer sheath of wheel shaft 5 is equipped with lasso 6, and is embedded with card inside the two sides of wheel shaft 5 to be welded and fixed between lasso 6 and idler wheel 4 Block 7, and fixture block 7 is fixed with compression bar 8 close to a side surface of 5 central axes of wheel shaft, compression bar 8 gos deep into the part inside wheel shaft 5 and wheel Spring 9 is provided between the inner wall of axis 5, size cooperates between fixture block 7 and wheel shaft 5, and passes through between fixture block 7 and wheel shaft 5 Spring 9 constitutes elastic mechanism, and cooperates between the external structure size of wheel shaft 5 and the borehole structure size of socket 3, together When fixture block 7 external structure size and the square groove structure size of socket 3 between match, press fixture block 7, fixture block 7 is embedded into wheel In axis 5, at this time wheel shaft 5 can be slid into from the socket 3 of top lower section socket 3 in, or by above mentioned in the socket 3 of lower section to In the socket 3 of top, fixture block 7 is unclamped, fixture block 7 pops up, and is finally embedded into the two sides square groove structure of socket 3, thus to wheel Axis 5 is fixed, and the outside of lasso 6 is socketed with driving belt 10；

The top of terraced seat 1 is equipped with hydraulic cylinder 11, and the upper port of hydraulic cylinder 11 is mounted with hydraulic telescopic rod 12, ladder 13 upper left is provided with ladder 14, and ladder 13 is located at side of the hydraulic cylinder 11 far from 1 vertical centerline of terraced seat, ladder 14 Upper outer face offer slideway 15, and station plate 16 is provided on the inside of the top of ladder 14, the both ends for plate 16 of standing are embedded in The inside of slideway 15, the centre of slideway 15 is provided with locking bolt 17, and locking bolt 17 is located at one close to station 16 end of plate Side, the both ends for plate 16 of standing size between slideway 15 cooperate, and between locking bolt 17 and the both sides of the face for plate 16 of standing It is to be threadedly coupled, the shaft end for plate 16 of standing cooperates in slideway 15, can be to station plate 16 with respect to ladder on the basis of slideway 15 14 position is moved, and can be locked to station plate 16 with respect to the position of ladder 14 using locking bolt 17；

The right side of ladder 14 is provided with steady 18, and steady 18 is located at the upper right of ladder 13,12 He of hydraulic telescopic rod Hydraulic cylinder 11 is symmetrically arranged with two groups, and the top of hydraulic telescopic rod 12 bottom with the bottom of ladder 14 and steady 18 respectively Welding, hydraulic cylinder 11 control hydraulic telescopic rod 12 by hydraulic principle and extend, ladder 14 and steady 18 are accordingly pushed up, helped Frame 18 is connected with the equal screw of the link position of ladder 13 with ladder 13, ladder 14 and connect buckle 19, and steady 18 and ladder 14 Side wall offer caulking groove 20, size cooperates between the lateral wall of ladder 13 and the inner wall of caulking groove 20, and 14 He of ladder Slide construction is constituted by caulking groove 20 between ladder 13, between steady 18 and ladder 13, ladder 13 utilizes the ruler with caulking groove 20 Very little cooperation provides for ladder 14 and steady 18 and slides basis, enable ladder 14 and steady 18 on the basis of ladder 13 with The promotion of hydraulic telescopic rod 12 and stabilization moves up, be mounted on support between ladder 13 and ladder 13, between ladder 13 and terraced seat 1 Corner bracket 21, the upper end screw of steady 18, which is connected with, helps plate 22.

Working principle: for this kind of working stand, plate 22 will be helped using the bolt structure of 18 upper end of steady first, carries out angle Degree rotation will help the rotation of plate 22 into the notch for snapping onto 14 upper right face of ladder, provide steady 18 to ladder 14 Stablize support, working stand is moved on suitable position, it, can be mobile by wheel shaft 5 when being horizontally moved to working stand Into the socket 3 of lower section, way is under the effect of the pressure, to shrink spring 9 accordingly, compression bar 8 is embedded in wheel by moulded rod 8 In the channel structure reserved on axis 5, and in the channel structure, it is mounted with spring 9, one end of spring 9 and the back with compression bar 8 Face connection, after the one end being exposed at outside terraced seat 1 to compression bar 8 applies pressure, under force, so that entire compression bar 8 is pressed Contracting spring 9 shrinks spring 9, so that fixture block 7 is retracted into wheel shaft 5, after wheel shaft 5 is displaced downwardly in the socket 3 of lower section, decontrols Compression bar 8, under the elastic reaction of spring 9, fixture block 7 pops up outward, and snaps onto the two sides square groove structure of socket 3, this hour wheel Axis 5 is fixed, and idler wheel 4 and ground face contact can be horizontally moved working stand, idler wheel 4 is during rolling, lasso 6 rotate on wheel shaft 5, and each idler wheel 4 is united by the driving belt 10 in 6 outside of lasso, to realize idler wheel 4 Joint drive movement, when needing for working stand to be fixed, using above-mentioned identical mode, by the socket 3 of wheel shaft 5 from below On move on to top socket 3 in, when someone station on ladder when, since socket 3 is closer away from ground, to entire ladder Center of gravity influences very little, and operator can not get off from working stand, be operated, be can be realized to ladder in lower section by other staff The structural adjustment purpose for being fixed or moving, makes the more convenient to use of working stand, and operator is climbed extremely by ladder 14 It stands on plate 16, after having stablized ladder, loosens the connecting screw on connection buckle 19, start the hydraulic cylinder of model MOB40 × 200 11, by hydraulic principle, keep hydraulic telescopic rod 12 accordingly flexible, after hydraulic telescopic rod 12 extends, will push ladder 14 and help Frame 18 is mobile each along the oblique direction of ladder 13, and operator is sent to higher position, to carry out to helicopter Maintenance activity tightens the connecting screw on connection buckle 19 after height is fixed, likewise, position of the station plate 16 with respect to ladder 14 Setting can also be adjusted, and way is the slideway 15 opened up using 14 side wall of ladder, by the locking bolt 17 of 16 side of plate of standing It removes or unscrews, along slideway 15, station plate 16 is moved up, then lock locking bolt 17, position is carried out to station plate 16 and is fixed , the use process of entire working stand is completed like this.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims

1. a kind of helicopter repair working stand, including terraced seat (1) and ladder (13), it is characterised in that: the bottom of the ladder seat (1) Face is fixed with sawtooth (2), and the interior of terraced seat (1), through having socket (3), the sidewall surfaces of the ladder seat (1) are provided with Idler wheel (4), and the intermediate tie of idler wheel (4) is equipped with wheel shaft (5), the outer sheath of the wheel shaft (5) is equipped with lasso (6), and covers To be welded and fixed between circle (6) and idler wheel (4), it is embedded with fixture block (7) inside the two sides of the wheel shaft (5), and fixture block (7) leans on One side surface of nearly wheel shaft (5) central axes is fixed with compression bar (8), and the compression bar (8) gos deep into the internal part of wheel shaft (5) and wheel shaft (5) it is provided between inner wall spring (9), is socketed with driving belt (10) on the outside of the lasso (6), the ladder seat (1) Top is equipped with hydraulic cylinder (11), and the upper port of hydraulic cylinder (11) is mounted with hydraulic telescopic rod (12), the ladder (13) Upper left be provided with ladder (14), and ladder (13) is located at the side of hydraulic cylinder (11) far from terraced seat (1) vertical centerline, The upper outer face of the ladder (14) offers slideway (15), and station plate (16), institute are provided on the inside of the top of ladder (14) The both ends for stating station plate (16) are embedded in the inside of slideway (15), and the centre of the slideway (15) is provided with locking bolt (17), And locking bolt (17) is located at the side close to station plate (16) end, is provided with steady (18) on the right side of the ladder (14), and Steady (18) is located at the upper right of ladder (13), the company of the steady (18) and ladder (13), ladder (14) and ladder (13) It connects the equal screw in position and is connected with connection buckle (19), and steady (18) and the side wall of ladder (14) offer caulking groove (20), institute It states between ladder (13) and ladder (13), be mounted on support corner bracket (21), the steady between ladder (13) and terraced seat (1) (18) upper end screw, which is connected with, helps plate (22).

2. a kind of helicopter repair working stand according to claim 1, it is characterised in that: the sawtooth (2) and socket (3) horizontal direction along terraced seat (1) is placed equidistant with, and socket (3) every two is one group, and two on same vertical line Socket communicates between (3), while socket (3) is the borehole structure that two sides are provided with square groove.

3. a kind of helicopter repair working stand according to claim 1, it is characterised in that: the fixture block (7) and wheel shaft (5) size cooperates between, and constitutes elastic mechanism, and wheel shaft (5) by spring (9) between fixture block (7) and wheel shaft (5) External structure size and socket (3) borehole structure size between cooperate, while the external structure size of fixture block (7) with It matches between the square groove structure size of socket (3).

4. a kind of helicopter repair working stand according to claim 1, it is characterised in that: the both ends of station plate (16) Size cooperates between slideway (15), and is that screw thread connects between locking bolt (17) and the both sides of the face at station plate (16) It connects.

5. a kind of helicopter repair working stand according to claim 1, it is characterised in that: the hydraulic telescopic rod (12) Be symmetrically arranged with two groups with hydraulic cylinder (11), and the top of hydraulic telescopic rod (12) respectively with the bottom of ladder (14) and steady (18) bottom welding.

6. a kind of helicopter repair working stand according to claim 1, it is characterised in that: the outside of the ladder (13) Size cooperates between wall and the inner wall of caulking groove (20), and between ladder (14) and ladder (13), steady (18) and ladder (13) slide construction is constituted by caulking groove (20) between.