Variable supporting structure of aviation hydraulic jack

Abstract

The utility model relates to the technical field of jacks, in particular to an aviation hydraulic jack variable supporting structure which comprises an aviation hydraulic jack body, a round base is arranged at the bottom of the aviation hydraulic jack body, an annular groove is formed in the outer wall of the round base, and four supporting pieces arranged in an annular array are detachably connected to the annular groove. The supporting piece comprises a supporting bottom plate, a first threaded groove is formed in the top of the supporting bottom plate, four mounting holes a distributed in an annular array are formed in the position, close to the outer edge, of the top of the circular base, the mounting holes a are connected with first locking bolts, and the threaded ends of the first locking bolts are in threaded connection into the first threaded groove. According to the variable supporting structure of the aviation hydraulic jack, a traditional suction cup structure is replaced with the detachable supporting piece and the locking bolt, a suction cup does not need to be pried during removal, and operation is easy and efficient; the non-slip mat is directly contacted with the ground, so that the dependence on the smooth ground is avoided, and various ground conditions such as rough and uneven ground conditions can be adapted.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of jack, concretely is aviation hydraulic jack variable support structure. BACKGROUND

[0002] The aviation hydraulic jack is a kind of equipment widely used in aircraft maintenance and ground support, utilizes hydraulic principle to realize the lifting operation to heavy object. Its main feature is compact structure, strong carrying capacity, can work efficiently in small space. Hydraulic jack is usually composed of hydraulic cylinder, hydraulic pump, control valve and support structure, realizes lifting action by the pressure change of hydraulic system. In order to ensure the safety and stability under different working environments, the stability when supporting needs to be considered in the design of aviation hydraulic jack, avoids the displacement or inclination in the use process. For this purpose, auxiliary support structure is usually arranged at the bottom of aviation hydraulic jack to enhance its stability in the use process.

[0003] The patent with disclosure number CN214570368U discloses a hydraulic jack with auxiliary support structure, including base, the inner wall of base is movably connected with connecting plate, the lower surface of connecting plate is provided with positioning groove, the inner top wall of positioning groove is fixedly connected with strong spring, the other end of strong spring is fixedly connected with positioning block, the lower surface of positioning block is fixedly connected with connecting block, the lower surface of connecting block is fixedly connected with support block, the lower surface of support block is fixedly connected with mounting rod, the outer surface of mounting rod is threadedly connected with strong suction cup;When using, press down connecting plate, press down connecting block after damping, make support block press down strong suction cup, ensure that strong suction cup is adsorbed on the ground, avoid damaging the ground, ensure that the hydraulic jack is supported, prevent the hydraulic jack from sliding and affecting normal use, also prolong the service life of hydraulic jack.

[0004] When the above-mentioned prior art uses the jack to lift heavy object, the jack body presses down the connecting plate, presses down the connecting block after damping by the strong spring, so as to make the support block press down the strong suction cup, ensure that the strong suction cup is adsorbed on the ground, support the hydraulic jack, however, the prior art still has some deficiencies in practical application. First, when the hydraulic jack is used, multiple strong suction cups are adsorbed on the ground, and since the strong suction cup is located inside the base, it is difficult for the worker to lift the edge of the strong suction cup when removing the hydraulic jack, which increases the difficulty of removal. Secondly, the effectiveness of the strong suction cup depends on the smoothness of the ground, and on rough or uneven ground, the strong suction cup cannot be effectively adsorbed, which limits the application range and use scene of the hydraulic jack. In view of these problems, we propose an aviation hydraulic jack variable support structure, which aims to improve the adaptability and use convenience of the hydraulic jack by improving the auxiliary support scheme, to ensure stable and reliable operation in various working environments. The utility model discloses a content

[0005] The utility model discloses a purpose at providing aviation hydraulic jack variable support structure to solve the problem of the background art.

[0006] To realize above -mentioned purpose, the utility model provides the following technical scheme:

[0007] Aviation hydraulic jack variable support structure, including aviation hydraulic jack body, the bottom of aviation hydraulic jack body is equipped with round base, is used to provide basic support and enlarge the contact area with ground, the outer wall of round base is equipped with annular groove, is used to accommodate the rear end of support bottom plate and cooperate locking, four with annular array arrangement's support piece can be detachably connected at annular groove, and the overall stability is enhanced through multi -angle adjustment.

[0008] The support piece includes support bottom plate, and the rear end of support bottom plate is located in annular groove, and the top of support bottom plate and the position close to the rear end are equipped with first thread groove, are used for with first lock bolt cooperation fixed, the top of round base and the position close to the outer edge are equipped with four with annular array arrangement's mounting hole a, and first lock bolt is inserted, first lock bolt is connected with mounting hole a, and the threaded end of first lock bolt is connected in first thread groove, and the position of support bottom plate and round base is fixed through first lock bolt, and four support bottom plates cooperate round base and increase the contact surface with ground, improve the stability of this aviation hydraulic jack, and the angle of four support pieces can be adjusted to adapt to different working environment, for example, when in narrow space, can the left two adjacent support pieces be close to each other, and the right two adjacent support pieces are close to each other, facilitate the use of the aviation hydraulic jack.

[0009] Preferably, the bottom of the round base is bonded with a round non-slip pad to increase the friction between the round base and the ground, and the bottom of the support bottom plate is bonded with a strip-shaped non-slip pad to prevent the support piece from sliding.

[0010] Preferably, the support bottom plate can rotate at an angle of 0-180° to adapt to different spatial layout requirements, and the rear end of the bottom of the support bottom plate is provided with an avoiding slot to avoid interference with the round base when rotating.

[0011] Preferably, the top of the support bottom plate and the position close to the front end are detachably connected with a support inclined plate to provide inclined support to disperse the load, the bottom end of the support inclined plate is provided with a butt joint plug, the top of the support bottom plate and the position close to the front end are provided with a butt joint slot for plug-in connection of the butt joint plug to realize quick plug-in connection of the support inclined plate and the support bottom plate.

[0012] Preferably, a plurality of reinforcing rods are arranged equidistantly between the support base plate and the support inclined plate to form a triangular support structure to improve the compressive strength, and the heights of the reinforcing rods gradually increase from front to back to adapt to the inclination angle of the support inclined plate.

[0013] Preferably, a first insertion slot is formed in the top of the support base plate to insert the bottom end of the reinforcing rod and fix the position of the bottom end of the reinforcing rod, and a second insertion slot is formed in the lower surface of the support inclined plate to insert the top end of the reinforcing rod and fix the position of the top end of the reinforcing rod.

[0014] Preferably, the top end of the support inclined plate horizontally extends a connecting block to be connected with the body of the aviation hydraulic jack, and a second threaded groove is formed in the top of the connecting block to be locked by the second locking bolt.

[0015] Preferably, four U-shaped fixing blocks are arranged in an annular array on the outer wall of the body of the aviation hydraulic jack and close to the top to provide the fixing points of the connecting block, the rear end of the connecting block is located in the U-shaped fixing block, a mounting hole b is formed in the top of the U-shaped fixing block to pass the second locking bolt, the second locking bolt is connected with the second threaded groove in a threaded manner, the connecting block and the U-shaped fixing block are locked, and the overall stability of the support member is improved.

[0016] Compared with the prior art, the aviation hydraulic jack variable support structure has the following beneficial effects:

[0017] 1. The aviation hydraulic jack variable support structure replaces the traditional suction cup structure by the detachable support member, the first locking bolt and the second locking bolt, and the suction cup does not need to be pried when removed, so that the operation is simple and efficient; the circular non-slip pad and the strip-shaped non-slip pad directly contact the ground to break away from the dependence on smooth ground and can adapt to various ground conditions such as roughness and unevenness.

[0018] 2. The aviation hydraulic jack variable support structure significantly increases the contact area and disperses the load by the four adjustable-angle support members, effectively prevents the jack from sliding or tilting, and meets the high stability requirement of aircraft maintenance.

[0019] 3. The aviation hydraulic jack variable support structure can rotate and adjust the angle of the support base plate, and the adjacent support members can be close to each other or spread out, thereby breaking through the limitation of the traditional fixed support and still stably working in a narrow or asymmetric space. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is a whole structure schematic view of the utility model;

[0021] Figure 2 It is a whole use state structure schematic view of the utility model;

[0022] Figure 3 Part of the assembly structure schematic diagram of the utility model;

[0023] Figure 4 The circular base structure schematic diagram in the utility model;

[0024] Figure 5 The support structure schematic diagram in the utility model;

[0025] In the figure: 1, aviation hydraulic jack body; 2, circular base; 20, annular groove; 21, mounting hole a; 22, first locking bolt; 23, circular non-slip pad; 3, support; 30, support bottom plate; 300, first threaded groove; 301, butt joint slot; 302, first slot; 303, avoiding groove; 31, support inclined plate; 310, butt joint plug; 311, second slot; 32, connecting block; 320, second threaded groove; 33, reinforcing rod; 34, strip-shaped non-slip pad; 4, U-shaped solid block; 40, mounting hole b; 41, second locking bolt. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0027] In the description of the utility model, it is understood that the orientation or position relationship indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like is the orientation or position relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.

[0028] Please refer to Figures 1-5 The utility model provides a technical scheme:

[0029] The variable support structure of the aviation hydraulic jack comprises an aviation hydraulic jack body 1, a circular base 2 is arranged at the bottom of the aviation hydraulic jack body 1, and the circular base 2 is used for providing basic support and expanding the contact area with the ground; an annular groove 20 is arranged on the outer wall of the circular base 2, and the annular groove 20 is used for accommodating the rear end of a support bottom plate 30 and cooperating with locking; four support pieces 3 arranged in an annular array are detachably connected at the annular groove 20, and the overall stability is enhanced through multi-angle adjustment.

[0030] The support piece 3 comprises the support bottom plate 30, the rear end of the support bottom plate 30 is located in the annular groove 20, a first threaded groove 300 is arranged on the top of the support bottom plate 30 and close to the rear end, and the first threaded groove 300 is used for cooperating with and fixing a first locking bolt 22; four mounting holes a21 arranged in an annular array are arranged on the top of the circular base 2 and close to the outer edge, and the mounting holes a21 are used for penetrating the first locking bolt 22; the first locking bolt 22 is connected with the mounting hole a21, the threaded end of the first locking bolt 22 is threadedly connected in the first threaded groove 300, the position of the support bottom plate 30 and the circular base 2 is fixed through the first locking bolt 22, the contact area with the ground is increased through the four support bottom plates 30 cooperating with the circular base 2, the stability of the aviation hydraulic jack is improved, and the angles of the four support pieces 3 can be adjusted to adapt to different working environments, for example, when the space is narrow, the two support pieces 3 adjacent to the left can be close to each other, and the two support pieces 3 adjacent to the right can be close to each other, so that the aviation hydraulic jack is convenient to use.

[0031] In the embodiment, a circular anti-skid pad 23 is bonded to the bottom of the circular base 2, the friction between the circular base 2 and the ground is increased, and a strip-shaped anti-skid pad 34 is bonded to the bottom of the support bottom plate 30 to prevent the support piece 3 from sliding.

[0032] Specifically, the support bottom plate 30 can rotate at an angle of 0-180° to adapt to different space layout requirements, and an avoiding groove 303 is arranged at the rear end of the bottom of the support bottom plate 30 to avoid interference with the circular base 2 during rotation.

[0033] Further, a support inclined plate 31 is detachably connected to the top of the support bottom plate 30 and close to the front end to provide inclined support to disperse the load, the bottom end of the support inclined plate 31 is provided with a butt joint plug block 310, and a butt joint plug groove 301 is arranged on the top of the support bottom plate 30 and close to the front end to realize the quick plug-in connection of the support inclined plate 31 and the support bottom plate 30.

[0034] Further, a plurality of reinforcing rods 33 arranged at equal intervals are arranged between the support bottom plate 30 and the support inclined plate 31 to form a triangular support structure to improve the compressive strength, and the heights of the plurality of reinforcing rods 33 gradually increase from front to back to adapt to the inclination angle of the support inclined plate 31.

[0035] Further, the top of the support bottom plate 30 is provided with a first insertion slot 302 for inserting the bottom end of the reinforcing rod 33 to fix the position of the bottom end of the reinforcing rod 33, and the lower surface of the support inclined plate 31 is provided with a second insertion slot 311 for inserting the top end of the reinforcing rod 33 to fix the position of the top end of the reinforcing rod 33.

[0036] Further, the top end of the support inclined plate 31 extends horizontally backward to form a connecting block 32 for connecting with the aviation hydraulic jack body 1, and the top of the connecting block 32 is provided with a second threaded groove 320 to cooperate with the second locking bolt 41 to achieve locking.

[0037] Further, the outer wall of the aviation hydraulic jack body 1 and close to the top is provided with four U-shaped fixed blocks 4 arranged in an annular array to provide a fixed point for the connecting block 32, the rear end of the connecting block 32 is located in the U-shaped fixed block 4, the top of the U-shaped fixed block 4 is provided with a mounting hole b40 for the second locking bolt 41 to pass through, the mounting hole b40 is connected with the second locking bolt 41, the threaded end of the second locking bolt 41 is threadedly connected in the second threaded groove 320 to lock the connecting block 32 and the U-shaped fixed block 4, thereby improving the overall stability of the support 3.

[0038] In use, the aviation hydraulic jack variable support structure of the embodiment first moves the aviation hydraulic jack body 1 to the target position, provides basic support through the circular base 2 at the bottom thereof, then inserts the rear end of the support bottom plate 30 of the four supports 3 into the annular groove 20 of the outer wall of the circular base 2, adjusts the support bottom plate 30 to the required angle, and uses the first locking bolt 22 to pass through the mounting hole a21 at the top of the circular base 2 and threadedly connect with the first threaded groove 300 at the top of the support bottom plate 30 to complete the fixation of the support bottom plate 30 and the circular base 2; at this time, the four supports 3 are in contact with the ground through the strip-shaped anti-skid pad 34 at the bottom of the support bottom plate 30 and the circular anti-skid pad 23 at the bottom of the circular base 2 to prevent sliding; if it is necessary to enhance the support strength, the first locking bolt 22 is first disassembled to release the fixation of the support bottom plate 30, then the butt joint plug block 310 at the bottom end of the support inclined plate 31 is inserted into the butt joint insertion slot 301 at the top of the support bottom plate 30, and the bottom end and the top end of the plurality of reinforcing rods 33 are inserted into the first insertion slot 302 at the top of the support bottom plate 30 and the second insertion slot 311 at the lower surface of the support inclined plate 31, respectively, to form a triangular support structure; finally, the connecting block 32 at the top end of the support inclined plate 31 is aligned with the U-shaped fixed block 4 of the outer wall of the aviation hydraulic jack body 1, is inserted, and then passes through the mounting hole b40 at the top of the U-shaped fixed block 4 and is screwed into the second threaded groove 320 at the top of the connecting block 32 through the second locking bolt 41, while the first locking bolt 22 is threadedly connected with the first threaded groove 300 at the top of the support bottom plate 30 to complete the fixation of the support bottom plate 30 and the circular base 2, and complete the locking of the overall structure; at this time, the support 3 and the aviation hydraulic jack body 1 form a multi-point fixation to ensure the stability and anti-overturning ability during lifting.

[0039] The basic principle, main features and advantages of the present application are shown and described above. It should be understood by those skilled in the art that the present application is not limited by the above embodiments, and the above embodiments and descriptions in the specification are only preferred examples of the present application and are not intended to limit the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. Aviation hydraulic jack variable support structure, comprising an aviation hydraulic jack body (1), characterized in that: The bottom of the aviation hydraulic jack body (1) is provided with a circular base (2), the outer wall of the circular base (2) is provided with an annular groove (20), and four support pieces (3) arranged in an annular array are detachably connected at the annular groove (20); the support piece (3) comprises a support bottom plate (30), a first threaded groove (300) is formed at the top of the support bottom plate (30) and near the rear end, four mounting holes a (21) arranged in an annular array are formed at the top of the circular base (2) and near the outer edge, and the mounting holes a (21) are connected with first locking bolts (22), and the threaded ends of the first locking bolts (22) are threadedly connected in the first threaded grooves (300).

2. The aircraft hydraulic jack variable support structure of claim 1, wherein: A circular non-slip pad (23) is attached to the bottom of the circular base (2), and a strip-shaped non-slip pad (34) is attached to the bottom of the support bottom plate (30).

3. The aircraft hydraulic jack variable support structure of claim 1, wherein: The support bottom plate (30) can rotate at an angle of 0-180°, and an avoiding groove (303) is formed at the rear end of the bottom of the support bottom plate (30).

4. The aircraft hydraulic jack variable support structure of claim 1, wherein: A support inclined plate (31) is detachably connected to the top of the support bottom plate (30) and near the front end, the bottom end of the support inclined plate (31) is provided with a butt joint plug (310), and a butt joint slot (301) is formed at the top of the support bottom plate (30) and near the front end, and the butt joint plug (310) is inserted into the butt joint slot (301).

5. The aircraft hydraulic jack variable support structure of claim 4, wherein: A plurality of reinforcing rods (33) arranged at equal intervals are arranged between the support bottom plate (30) and the support inclined plate (31), and the heights of the reinforcing rods (33) gradually increase from front to back.

6. The aircraft hydraulic jack variable support structure of claim 5, wherein: A first insertion slot (302) is formed at the top of the support bottom plate (30) and is used for inserting the bottom end of the reinforcing rod (33), and a second insertion slot (311) is formed at the lower surface of the support inclined plate (31) and is used for inserting the top end of the reinforcing rod (33).

7. The aircraft hydraulic jack variable support structure of claim 4, wherein: The top end of the support inclined plate (31) extends horizontally backward to form a connecting block (32), and a second threaded groove (320) is formed at the top of the connecting block (32).

8. The aircraft hydraulic jack variable support structure of claim 7, wherein: Four U-shaped fixed blocks (4) arranged in an annular array are arranged at the outer wall of the aviation hydraulic jack body (1) and near the top, the rear end of the connecting block (32) is located in the U-shaped fixed block (4), an installation hole b (40) is formed at the top of the U-shaped fixed block (4), and a second locking bolt (41) is connected with the installation hole b (40), and the threaded end of the second locking bolt (41) is threadedly connected in the second threaded groove (320).

Images