CN213411740U

CN213411740U - Aviation spare part detects uses quick mounting fixture

Info

Publication number: CN213411740U
Application number: CN202022120347.3U
Authority: CN
Inventors: 包俊杰
Original assignee: Guizhou Like Navigation Standard Technology Co ltd
Current assignee: Guizhou Like Navigation Standard Technology Co ltd
Priority date: 2020-09-24
Filing date: 2020-09-24
Publication date: 2021-06-11
Anticipated expiration: 2030-09-24

Abstract

The utility model discloses a rapid fixing clamp for aviation part detection, which relates to the technical field of fixing clamps and aims at the problem that the prior bearing clamp can not adjust the clamping position of a bearing to influence the measuring result, and the proposal is provided, which comprises a chassis, wherein the upper side of the chassis is slidably connected with two first sliding blocks, the upper side of the first sliding block is fixedly connected with a support rod, one side of the support rod is provided with a ratchet, the outer wall of the support rod is slidably sleeved with a second sliding block, the second sliding block is slidably connected with a first sliding rod and a second sliding rod, the utility model has simple structure and convenient use, the second clamping plate slides in a support plate by shaking a crank to drive a threaded rod to rotate, the bearing is clamped between the second clamping plate and the first clamping plate, and the positions of the first clamping plate and the second clamping plate on the bearing are changed by rotating the first clamping plate, according to different clamping positions, the precision of the inner ring and the outer ring of the bearing can be measured, and the accuracy of a detection result is improved.

Description

Aviation spare part detects uses quick mounting fixture

Technical Field

The utility model relates to a mounting fixture technical field especially relates to an aviation spare part detects uses quick mounting fixture.

Background

In recent years, the civil aviation industry in China enters a rapid development period, the level of scientific research and production is obviously improved, key technical issues are remarkably improved, the aviation part manufacturing industry leaps over a new step, an independent and autonomous industrial system is basically established, and the achievement of drawing attention is achieved.

With the development of the manufacturing industry of aviation parts in China, manufactured mechanical parts are more and more precise, but some part detection equipment is not comprehensive enough, for example, a clamp for bearing detection is provided, a bearing is divided into an inner ring, an outer ring and balls, the traditional bearing clamp can only clamp the inner ring or the outer ring of the bearing and cannot adjust the clamped position, so that when a detector detects the bearing, the clamped part cannot rotate, the precision of the clamped part cannot be measured, and the detection result of the bearing is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model provides a pair of aviation spare part detects uses quick mounting fixture has solved traditional bearing anchor clamps and can't adjust bearing centre gripping position and influence measuring result problem.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a rapid fixing clamp for detecting aviation parts comprises a chassis, wherein two first sliding blocks are connected to the upper side of the chassis in a sliding manner, a supporting rod is fixedly connected to the upper side of each first sliding block, a ratchet is fixedly connected to one side of the supporting rod, a second sliding block is sleeved on the outer wall of the supporting rod in a sliding manner, a first sliding rod and a second sliding rod are connected to the second sliding block in a sliding manner, two first pawls which are in contact with the ratchet are fixedly connected to one side of the second sliding rod, a first compression spring fixedly connected to one end of the first sliding rod is fixedly connected to one end of the second sliding rod, two first transmission rods which are in sliding connection with the second sliding rod are rotated to one end of each first sliding rod, a first fixing pin fixedly connected to the second sliding block is connected to the first transmission rods in a sliding manner, a rotating block is rotatably connected to one side of the second sliding block, a first, first splint one side fixedly connected with backup pad, sliding connection has the second splint in the backup pad, the threaded rod of being connected with first splint rotation is cup jointed to second splint screw thread, the threaded rod outer wall rotates the fixed block of cup jointing with backup pad fixed connection, fixedly connected with and threaded rod fixed connection's ratchet structure in the fixed block.

Preferably, an extension spring is fixedly connected to one side of the sliding block, a positioning block fixedly connected with the chassis is fixedly connected to the other end of the extension spring, a first groove is formed in one side of the first sliding block, a second groove is formed in the upper side of the chassis, the extension spring is located in the second groove, and the outer wall of the sliding block is slidably connected with the groove wall of the second groove.

Preferably, one end of the threaded rod is fixedly connected with a crank, and the lower side of the chassis is fixedly connected with a plurality of anti-skidding blocks.

Preferably, anti-skidding teeth are arranged on one sides of the first clamping plate and the second clamping plate, and a fixing rod connected with the second clamping plate in a sliding mode is fixedly connected into the supporting plate.

Preferably, a third groove is formed in the first transmission rod, and the first fixing pin is connected with the groove wall of the third groove in a sliding mode.

Preferably, the ratchet structure includes the ratchet that fixedly cup joints with the threaded rod outer wall, ratchet one side sliding connection have with fixed block sliding connection's bolt, bolt outer wall fixedly connected with and fixed block fixed connection's second compression spring.

The utility model has the advantages that:

1: the utility model discloses a wave the crank, and then make the threaded rod rotate, further drive second splint slide in the backup pad, thereby with the bearing inner circle centre gripping between second splint and first splint, make the unable reversal of threaded rod through ratchet structure simultaneously, and then keep the clamping-force between second splint and the first splint, thereby prevent that second splint from reducing the clamping-force and making the bearing drop, simultaneously through rotating first splint, and then make the turning block rotate on the second sliding block, thereby change the backup pad, the centre gripping direction of first splint and second splint, thereby change the position of first splint and second splint centre gripping on the bearing, the different clamping position can be adjusted to the detection personnel, thereby make the inner circle and the outer lane of bearing all can rotate, and then can measure the precision of the inner circle and the outer lane of bearing.

2: the utility model discloses a press first slide bar, make the shrink of first compression spring, the one end and the first slide bar of first drive lever rotate relatively simultaneously, first drive lever rotates around first fixed pin, first drive lever one end slides in second slide bar one side simultaneously, and then make the second slide bar slide in the second sliding block, further first pawl of drive slides in the second sliding block, thereby make first pawl and ratchet separation, the second sliding block that can slide downwards this moment, when the second sliding block needs upwards adjustment, direct upwards sliding second sliding block, just can adjust, thereby make the regulation of second sliding block more swift convenient, the bearing fixed speed has been improved.

Drawings

Fig. 1 is a schematic front sectional view of a rapid fixing clamp for detecting an aviation component according to the present invention;

fig. 2 is a schematic left-side sectional view of a rapid fixing clamp for detecting aviation components according to the present invention;

fig. 3 is an enlarged schematic view of a position a of the rapid fixing clamp for detecting aviation components according to the present invention;

fig. 4 is an enlarged schematic view of a position B of the rapid fixing clamp for detecting aviation components according to the present invention;

fig. 5 is the utility model provides an aviation spare part detects with quick mounting fixture's ratchet structure's left side view section schematic diagram.

Reference numbers in the figures: 1. the chassis, 2, first sliding block, 3, the bracing piece, 4, the second sliding block, 5, first recess, 6, the second recess, 7, extension spring, 8, the locating piece, 9, first pawl, 10, the ratchet, 11, first compression spring, 12, the second slide bar, 13, the third recess, 14, first fixed pin, 15, first slide bar, 16, first drive rod, 17, first splint, 18, the second splint, 19, the backup pad, 20, the crank, 21, the ratchet structure, 22, the fixed block, 23, the dead lever, 24, the threaded rod, 25, the turning block, 26, the ratchet, 27, the second compression spring, 28, the bolt.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-5, a fast fixing clamp for aviation component detection comprises a chassis 1, two first sliding blocks 2 are slidably connected to the upper side of the chassis 1, a support rod 3 is fixedly connected to the upper side of the first sliding block 2, a ratchet 10 is fixedly connected to one side of the support rod 3, a second sliding block 4 is slidably sleeved on the outer wall of the support rod 3, a first sliding rod 15 and a second sliding rod 12 are slidably connected to the second sliding block 4, two first pawls 9 contacting with the ratchet 10 are fixedly connected to one side of the second sliding rod 12, a first compression spring 11 fixedly connected to the second sliding block 4 is fixedly connected to one end of the first sliding rod 15, two first transmission rods 16 slidably connected to the second sliding rod 12 are rotated to one end of the first sliding rods 16, a first fixing pin 14 fixedly connected to the second sliding block 4 is slidably connected to the first transmission rods 16, a rotating block 25 is rotatably connected to one side of the second sliding block 4, the rotating block 25 is fixedly connected with a first clamping plate 17 on one side, a supporting plate 19 is fixedly connected with one side of the first clamping plate 17, a second clamping plate 18 is connected in the supporting plate 19 in a sliding mode, a threaded rod 24 which is rotatably connected with the first clamping plate 17 is sleeved on the second clamping plate 18 in a threaded mode, a fixing block 22 which is fixedly connected with the supporting plate 19 is sleeved on the outer wall of the threaded rod 24 in a rotating mode, and a ratchet structure 21 which is fixedly connected with the threaded rod 24 is fixedly connected in the fixing block 22.

When a tester needs to test a bearing, firstly, the height of the second sliding block 4 is adjusted according to the size of the bearing to be tested, when the second sliding block 4 needs to be adjusted downwards, the first sliding rod 15 is pressed, the first compression spring 11 is contracted, meanwhile, one end of the first transmission rod 16 rotates relative to the first sliding rod 15, the first transmission rod 16 rotates around the first fixed pin 16, meanwhile, one end of the first transmission rod 16 slides on one side of the second sliding rod 12, further, the second sliding rod 12 slides in the second sliding block 4, the first pawl 9 is further driven to slide in the second sliding block 4, so that the first pawl is separated from the ratchet 10, at the moment, the sliding block can slide the second sliding block 4 downwards, when the second sliding block 4 needs to be adjusted upwards, the second sliding block 4 is directly slid upwards, the adjustment can be carried out, the position for clamping the bearing is selected according to the position of the bearing to be tested, when detecting the bearing outer ring, the bearing inner ring can be clamped at the moment, the bearing inner ring is sleeved on the supporting plate 19, then the crank 20 is shaken, the threaded rod 24 is further rotated, the second clamping plate 18 is further driven to slide in the supporting plate 19, so that the bearing inner ring is clamped between the second clamping plate 18 and the first clamping plate 17, the threaded rod 24 cannot be reversed through the ratchet structure 21, the clamping force between the second clamping plate 18 and the first clamping plate 17 is further kept, the bearing is prevented from falling off due to the fact that the clamping force of the second clamping plate 18 is reduced, the bearing outer ring can be detected through an instrument at the moment, the bearing outer ring can be rotated because the first clamping plate 17 and the second clamping plate 18 only clamp the bearing inner ring, the detection is more convenient and accurate, when the bearing outer ring needs to be detected, the first clamping plate 17 is rotated, and the rotating block 25 is further rotated on the second sliding block 4, thereby change the centre gripping direction of backup pad 19, first splint 17 and second splint 18, wave the crank 20 this moment and with the centre gripping of bearing inner race to between first splint 17 and the second splint 18, can detect the bearing inner race through the instrument, because first splint 17 and second splint 18 only carry out the centre gripping to the bearing inner race, the bearing inner race can rotate this moment to make and detect convenient accuracy more.

2 one side fixedly connected with extension spring 7 of sliding block, and extension spring 7's the other end fixedly connected with and chassis 1 fixedly connected's locating piece 8, first recess 5 has been seted up to one side of first sliding block 2, second recess 6 has been seted up to 1 upside on chassis, extension spring 7 is located second recess 6, sliding block 2's outer wall and the cell wall sliding connection of second recess 6, detect the end when lifting off the back when the bearing, extension spring 7 contracts this moment, make first sliding block 2 slide in second recess 6, thereby slide two first sliding blocks 2 to the both sides of locating piece 8, extension spring 7 contracts simultaneously in first recess 5.

Set up anti-skidding tooth on first splint 17 and second splint 18, strengthen the dynamics of bearing centre gripping, prevent that the bearing from sliding the accuracy that reduces the detection when detecting, set up dead lever 23 in backup pad 19, fix a position second splint 18 to reduce the harm of second splint 18 to backup pad 19.

The ratchet structure 21 comprises a ratchet 26 fixedly sleeved with the outer wall of the threaded rod 24, one side of the ratchet 26 is slidably connected with a bolt 28 slidably connected with the fixed block 22, the outer wall of the bolt 28 is fixedly connected with a second compression spring 27 fixedly connected with the fixed block 22, when the threaded rod 24 rotates forwards, the ratchet 26 rotates in the fixed block 22, the bolt 28 slides on the surface of the ratchet 26 and slides up and down in the fixed block 22, the second compression spring 27 stretches and retracts, when the threaded rod 24 stops rotating, the bolt 28 contacts with the ratchet 26 at the moment, so that the threaded rod 24 is prevented from rotating reversely, when the threaded rod 24 needs to rotate reversely to adjust the position of the second clamping plate 18, the bolt 28 can be pulled outwards from the fixed block 22 at the moment, the bolt 28 is separated from the ratchet 26, at the moment, the threaded rod 24 can rotate reversely, and then.

The working principle is as follows: when a tester needs to test a bearing, firstly, the height of the second sliding block 4 is adjusted according to the size of the bearing to be tested, when the second sliding block 4 needs to be adjusted downwards, the first sliding rod 15 is pressed, the first compression spring 11 is contracted, meanwhile, one end of the first transmission rod 16 rotates relative to the first sliding rod 15, the first transmission rod 16 rotates around the first fixing pin 14, meanwhile, one end of the first transmission rod 16 slides on one side of the second sliding rod 12, further, the second sliding rod 12 slides in the second sliding block 4, the first pawl 9 is further driven to slide in the second sliding block 4, so that the first pawl is separated from the ratchet 10, at the moment, the sliding block can slide the second sliding block 4 downwards, when the second sliding block 4 needs to be adjusted upwards, the second sliding block 4 is directly slid upwards, so that the adjustment can be carried out, according to the position of the bearing to be tested, selecting the position for clamping the bearing, when detecting the outer ring of the bearing, clamping the inner ring of the bearing, sleeving the inner ring of the bearing on the support plate 19, then shaking the crank 20, further rotating the threaded rod 24, further driving the second clamping plate 18 to slide in the support plate 19, clamping the inner ring of the bearing between the second clamping plate 18 and the first clamping plate 17, simultaneously making the threaded rod 24 unable to rotate reversely through the ratchet structure 21, further keeping the clamping force between the second clamping plate 18 and the first clamping plate 17, thereby preventing the second clamping plate 18 from reducing the clamping force to make the bearing fall off, at this time, detecting the outer ring of the bearing through the instrument, because the first clamping plate 17 and the second clamping plate 18 only clamp the inner ring of the bearing, at this time, the outer ring of the bearing can rotate, thereby making the detection more convenient and accurate, when detecting the outer ring of the shaft, rotating the first clamping plate 17, further making the rotating block 25 rotate on the second sliding block 4, thereby changing the clamping direction of the supporting plate 19, the first clamping plate 17 and the second clamping plate 18, at the moment, the crank 20 is shaken to clamp the outer ring of the bearing between the first clamping plate 17 and the second clamping plate 18, the inner ring of the bearing can be detected through an instrument, because the first clamping plate 17 and the second clamping plate 18 only clamp the outer ring of the bearing, the inner ring of the bearing can rotate at the moment, thereby the detection is more convenient and accurate, the first clamping plate 17 and the second clamping plate 18 are provided with anti-skidding teeth, the clamping force of the bearing is enhanced, the bearing sliding is prevented from reducing the detection accuracy during the detection, the fixing rod 23 is arranged in the supporting plate 19, the second clamping plate 18 is positioned, thereby the damage of the supporting plate 19 by the second clamping plate 18 is reduced, when the threaded rod 24 rotates forwards, the ratchet 26 rotates in the fixing block 22, the bolt 28 slides on the surface of the ratchet 26 and slides up, the second compression spring 27 expands and contracts, when the threaded rod 24 stops rotating, the latch 28 contacts the ratchet 26 at the moment, so that the threaded rod 24 is prevented from rotating reversely, when the threaded rod 24 needs to be rotated reversely to adjust the position of the second clamping plate 18, the latch 28 can be pulled outwards from the fixed block 22 at the moment to separate the latch 28 from the ratchet 26, and at the moment, the threaded rod 24 can be rotated reversely to adjust the position of the second clamping plate 18.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A rapid fixing clamp for aviation part detection comprises a chassis (1) and is characterized in that two first sliding blocks (2) are connected to the upper side of the chassis (1) in a sliding manner, a supporting rod (3) is fixedly connected to the upper side of each first sliding block (2), ratchets (10) are fixedly connected to one side of the supporting rod (3), a second sliding block (4) is sleeved on the outer wall of the supporting rod (3) in a sliding manner, a first sliding rod (15) and a second sliding rod (12) are connected to the second sliding block (4) in a sliding manner, two first pawls (9) which are in contact with the ratchets (10) are fixedly connected to one side of the second sliding rod (12), a first compression spring (11) fixedly connected with the second sliding block (4) is fixedly connected to one end of the first sliding rod (15), two first transmission rods (16) which are in sliding connection with the second sliding rod (12) are rotated to one end of the first sliding rod (15, sliding connection has first fixed pin (14) with second sliding block (4) fixed connection on first drive rod (16), second sliding block (4) one side is rotated and is connected with turning block (25), the first splint (17) of turning block (25) one side fixedly connected with, first splint (17) one side fixedly connected with backup pad (19), sliding connection has second splint (18) in backup pad (19), second splint (18) screw thread has cup jointed and has rotated threaded rod (24) of being connected with first splint (17), threaded rod (24) outer wall rotates and has cup jointed fixed block (22) with backup pad (19) fixed connection, fixedly connected with and threaded rod (24) fixed connection's ratchet structure (21) in fixed block (22).

2. The rapid fixing clamp for detecting the aviation parts as claimed in claim 1, wherein an extension spring (7) is fixedly connected to one side of the sliding block (2), a positioning block (8) fixedly connected to the chassis (1) is fixedly connected to the other end of the extension spring (7), a first groove (5) is formed in one side of the first sliding block (2), a second groove (6) is formed in the upper side of the chassis (1), the extension spring (7) is located in the second groove (6), and the outer wall of the sliding block (2) is slidably connected to the groove wall of the second groove (6).

3. The rapid fixing clamp for detecting the aviation parts as claimed in claim 1, wherein one end of the threaded rod (24) is fixedly connected with a crank (20), and a plurality of anti-skid blocks are fixedly connected to the lower side of the chassis (1).

4. The rapid fixing clamp for aviation component detection as claimed in claim 1, wherein the first clamping plate (17) and the second clamping plate (18) are provided with anti-slip teeth on one side, and the fixing rod (23) slidably connected with the second clamping plate (18) is fixedly connected in the supporting plate (19).

5. The rapid fixing clamp for detecting aviation components and parts as claimed in claim 1, wherein the first transmission rod (16) is provided with a third groove (13), and the first fixing pin (14) is slidably connected with a groove wall of the third groove (13).

6. The rapid fixing clamp for detecting the aviation parts as claimed in claim 1, wherein the ratchet structure (21) comprises a ratchet (26) fixedly sleeved on an outer wall of the threaded rod (24), a bolt (28) slidably connected with the fixing block (22) is slidably connected to one side of the ratchet (26), and a second compression spring (27) fixedly connected with the fixing block (22) is fixedly connected to an outer wall of the bolt (28).