A centering device for detecting a propeller shaft cage

Abstract

The application discloses a centering positioner for transmission shaft retainer detection, which comprises a base, a support is rotatably arranged on the top of the base, a rotating rod is rotatably arranged in the support, an angle screw block is slidably arranged on the upper end of the rotating rod, the outer end of the angle screw block extends into the inner rotating groove to form a meshing mechanism, the inner rotating groove is arranged in the inner part of a limiting block, a pressure receiving block is slidably arranged at the right end of the limiting block, a fourth spring is connected to the bottom of the pressure receiving block, and the bottom of the fourth spring is connected to the inner part of the limiting block. The centering positioner for transmission shaft retainer detection is provided with a clamping rod, the pressure receiving block is extruded by the inner wall of the transmission shaft retainer, then the movement of the pressure receiving block can drive the movement of the clamping rod, then the movement of the clamping rod can push the transmission shaft retainer to slide on the limiting block, so that the transmission shaft retainer can be automatically centered after being fixed, thereby facilitating the accuracy of the later detection.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of drive shaft retainer detection, in particular to a centering positioner for drive shaft retainer detection. BACKGROUND

[0002] The main role of the centering detection of the drive shaft retainer is to ensure the correct position and stability of the retainer in the bearing. First, the centering of the retainer can ensure the equidistant distribution of the balls or rollers in the bearing, so that the load can be more evenly distributed on each ball or roller, thereby prolonging the service life of the bearing. Second, the centering of the retainer also helps to prevent the balls or rollers from flying out of the bearing during high-speed rotation, thereby avoiding bearing failure and damage. In addition, through centering detection, problems such as displacement or deformation of the retainer can be found and repaired in time, ensuring the stability and reliability of the transmission system. Therefore, a drive shaft retainer positioner is needed for detection.

[0003] Referring to the engineering plastic retainer surface treatment device with publication number CN210588641U, the hollow pipe, the plug rod and the clamping mechanism are arranged to avoid blocking the outer wall of the retainer when clamping the retainer, so that the device can be formed by one-time polishing, avoiding secondary polishing operation and improving the polishing efficiency of the outer wall. The clamping operation is simple and has high practicality. The clamping mechanism and the cylinder are arranged to adapt to the polishing requirements of retainers with different diameters, thereby enhancing the flexibility of the device. However, the following problems still exist:

[0004] In the actual use of the above device, although the clamping mechanism is used to fix the retainer, the inner wall of the retainer is fitted by moving the fixed rod. Manual alignment is required before fixing, so as to avoid the retainer being fixed out of the centering position, thereby reducing the clamping efficiency.

[0005] Referring to the bearing plastic retainer clamping tool with publication number CN217194934U, the positioning seat is provided with a positioning rod, one end of the positioning rod is fixedly connected with the positioning seat, the other end is threadedly connected with a resisting nut, a pressing ring is sleeved on the positioning rod, a plurality of resisting arms for resisting between adjacent pockets of the retainer are arranged on the pressing ring in the circumferential direction, a resisting spring is arranged between the pressing ring and the resisting nut, and the resisting spring is sleeved on the positioning rod. The plastic retainer can be conveniently positioned without adhesion or clamping, has good use effect, good positioning effect, stable structure, and can adjust the pressing force of the spring through the resisting nut to improve the adaptability.

[0006] In the actual use of the above device, although the holder is clamped by the positioning rod, when disassembling, the positioning rod needs to be separated from the clamping of the holder by using reverse operation, and the two are connected by threads, so that a long time is needed when disassembling, thereby reducing the efficiency.

[0007] Therefore, we propose a centering device for detecting a drive shaft holder to solve the problems raised in the background. SUMMARY

[0008] The purpose of the present application is to provide a centering device for detecting a drive shaft holder to solve the problems raised in the background, which is currently on the market by moving the fixed rod to fit the inner wall of the holder, and manual alignment is needed before fixing, so as to avoid the holder not being in the center position after being fixed, thereby reducing the efficiency of clamping and the efficiency of disassembling.

[0009] To achieve the above purpose, the present application provides the following technical scheme: a centering device for detecting a drive shaft holder, comprising a base, the top of the base rotating a support;

[0010] Also includes:

[0011] The inner part of the support rotates a rotating rod, and the rotating rod is provided with a threaded block at equal intervals, and the outer end of the threaded block extends into the inner part of the inner rotating groove to form a meshing mechanism, the inner rotating groove is opened in the inner part of the limiting block, and the right end of the limiting block slides a pressure block, the bottom of the pressure block is connected with a fourth spring, and the bottom of the fourth spring is connected in the inner part of the limiting block, and the side edge of the bottom of the pressure block is connected with a clamping rod through a pull rope, the inner end of the clamping rod slides in the inner part of the limiting block to form a first sliding mechanism, the movement of the clamping rod drives the movement of the drive shaft holder, thereby achieving the purpose of automatic centering;

[0012] The bottom of the top rod extends into the inner part of the rotating rod to form a second sliding mechanism, and the bottom of the top rod is fitted with a first roller, and the middle part of the first roller is rotatably connected to the inner end of the threaded block, the middle part of the threaded block is connected with a second spring, and the right end of the second spring is connected to the inner part of the rotating rod, the movement of the top rod and the threaded block forms a third sliding mechanism, so that the threaded block can be retracted into the inner part of the rotating rod.

[0013] Preferably, the pull rope slides in the inner part of the limiting block, and the left side of the pull rope is fitted with a second roller, and the second roller rotates in the inner part of the limiting block.

[0014] Preferably, the left side of the clamping rod is fixed with a non-slip pad, and the non-slip pad is made of glue.

[0015] Preferably, the clamping rod is not in contact with the right side of the pressure block at the left side of the limiting block, and the pressure block is arranged in an L shape.

[0016] Preferably, the bottom of the top rod is provided with grooves at equal intervals, and the grooves inside the top rod are arranged in a trapezoidal shape.

[0017] Preferably, the screw block is provided with two groups, and the directions of the two groups of screw blocks are arranged in opposite directions, and the two groups of screw blocks are engaged with the inner rotating grooves.

[0018] Preferably, the top of the top rod slides a protrusion, and the outer end of the protrusion is arranged in a semicircular shape.

[0019] Preferably, the outer end of the protrusion extends into the inside of the groove to form a clamping mechanism, and the groove is provided in the inside of the top end of the rotating rod.

[0020] Preferably, the top rod is provided with left and right groups, the inner ends of the two groups of top rods are connected to each other through a first spring, and the first spring is arranged in the inside of the top rod.

[0021] Compared with the prior art, the beneficial effects of the present application are: the centering device for detecting the transmission shaft retainer can quickly center and position the transmission shaft retainer, can be quickly disassembled, and can improve stability. The movement of the clamping rod can drive the retainer to move, thereby enabling the clamping rod to automatically center the transmission shaft retainer. The movement of the screw block can enable the transmission shaft retainer to be quickly disassembled, and the clamping of the protrusion can improve the stability of the screw block. The specific contents are as follows:

[0022] (1) The clamping rod is provided, the transmission shaft retainer inner wall extrudes the pressure block, thereby enabling the pressure block to move and drive the clamping rod to move, thereby enabling the clamping rod to move and push the transmission shaft retainer to slide on the limiting block, thereby enabling the transmission shaft retainer to be automatically centered after being fixed, thereby facilitating the accuracy of the later detection;

[0023] (2) The screw block is provided, the screw block is contracted, thereby enabling the screw block to be contracted into the inside of the rotating rod, thereby enabling the screw block to be disengaged from the engagement with the inner rotating groove, thereby enabling the limiting block to be quickly reset, thereby facilitating the quick taking of the transmission shaft retainer, thereby improving the efficiency;

[0024] (3) The protrusion is provided, the clamping of the protrusion and the groove enables the top rod to stably push the screw block, thereby enabling the screw block to be stably engaged in the inside of the inner rotating groove, thereby avoiding the sliding of the limiting block due to the disengagement of the screw block and the inner rotating groove, thereby improving the stability.

[0025] (4) The threaded block is provided with two groups, and the directions of the two groups of threaded blocks are oppositely arranged, and the two groups of threaded blocks are all engaged with inner rotating grooves, so that the rotating rotating rod can drive the two groups of inner rotating grooves to move in opposite positions through the threaded blocks, and the two groups of inner rotating grooves can drive the limiting blocks to move in opposite positions.

[0026] (5) The second roller is arranged and slides in the inside of the limiting block through the pull rope, the second roller is attached to the left side of the pull rope, and the second roller rotates in the inside of the limiting block, so that the pull rope can reduce the resistance through the rotation of the second roller when moving, thereby avoiding affecting the service life of the pull rope due to friction, thereby improving the service life of the pull rope. BRIEF DESCRIPTION OF DRAWINGS

[0027] Figure 1 It is a schematic view of the present application;

[0028] Figure 2 It is a schematic view of the present application Figure 1 A enlarged structure schematic view;

[0029] Figure 3 It is a schematic view of the present application second roller;

[0030] Figure 4 It is a schematic view of the present application limiting block;

[0031] Figure 5 It is a schematic view of the present application protruding block;

[0032] Figure 6 It is a schematic view of the present application threaded block;

[0033] Figure 7 It is a schematic view of the present application threaded block after moving;

[0034] Figure 8 It is a schematic view of the present application threaded block front view structure.

[0035] In the figure: 1, base; 2, support; 3, rotating rod; 4, top rod; 5, protruding block; 6, groove; 7, first spring; 8, first roller; 9, threaded block; 10, inner rotating groove; 11, second spring; 12, limiting block; 13, fixed rod; 14, third spring; 15, pressure receiving block; 16, fourth spring; 17, pull rope; 18, second roller; 19, clamping rod; 20, positioning rod; 21, fifth spring; 22, non-slip pad. DETAILED DESCRIPTION

[0036] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be described clearly and completely. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments of the present application, all the other embodiments obtained by those of ordinary skill in the art without creative work fall within the scope of the present application. Embodiments

[0037] The present application solves the problem that the inner wall of the holder is fitted by moving the fixed rod 13, and manual alignment is required before fixing, so as to avoid the holder not being in the central position after fixing, thereby reducing the clamping efficiency. The movement of the clamping rod 19 drives the transmission shaft holder to slide on the limiting block 12, so that the transmission shaft holder can be fixed in the central position on the limiting block 12. Therefore, the present application discloses:

[0038] The base 1 has a support 2 rotating on the top of the base 1. The support 2 has a rotating rod 3 rotating inside the support 2. The rotating rod 3 is provided with screw blocks 9 at equal intervals. The outer ends of the screw blocks 9 extend into the inner rotating grooves 10 to form a meshing mechanism. The inner rotating grooves 10 are formed in the inner part of the limiting block 12. The right end of the limiting block 12 has a pressure block 15 sliding thereon. The bottom of the pressure block 15 is connected with a fourth spring 16. The bottom of the fourth spring 16 is connected to the inner part of the limiting block 12. The side of the bottom of the pressure block 15 is connected with a clamping rod 19 through a pull rope 17. The inner end of the clamping rod 19 slides in the inner part of the limiting block 12 to form a first sliding mechanism. The movement of the clamping rod 19 drives the transmission shaft holder to move, so as to achieve the purpose of automatic central positioning. The pull rope 17 slides in the inner part of the limiting block 12. The left side of the pull rope 17 is attached with a second roller 18. The second roller 18 rotates in the inner part of the limiting block 12. The left side of the clamping rod 19 is fixed with a non-slip pad 22. The non-slip pad 22 is made of glue.

[0039] Reference Figures 1 to 3The transmission shaft holder is placed on the limiting block 12, then the rotating rod 3 is rotated, then the rotating rod 3 is rotated to drive the threaded block 9 to rotate, then the threaded block 9 is rotated to drive the limiting block 12 to move through the inner rotating groove 10, then the limiting block 12 can slide in the inside of the support 2, and the limiting block 12 can slide on the fixed rod 13, so that the limiting block 12 can only move up and down, and the two groups of limiting blocks 12 move in opposite positions, so that the limiting block 12 moves to press the third spring 14, then the third spring 14 is compressed under stress, then the transmission shaft holder presses the pressure block 15, so that the pressure block 15 moves to the inside of the limiting block 12 after being pressed under stress, then the pressure block 15 moves to press the fourth spring 16, so that the fourth spring 16 is compressed under stress, then the pressure block 15 moves to drive the pull rope 17 to move, so that the pull rope 17 can slide in the inside of the limiting block 12 through the second roller 18, then the pull rope 17 slides to drive the clamping rod 19 to move, then the clamping rod 19 moves to drive the transmission shaft holder to slide on the limiting block 12, and the anti-skid pad 22 can avoid the transmission shaft holder from being damaged due to scratching after being clamped and positioned, then the clamping rod 19 moves to slide on the positioning rod 20, and the clamping rod 19 moves to press the fifth spring 21, so that the fifth spring 21 is compressed under stress, and the movement of the clamping rod 19 can automatically center the transmission shaft holder, thereby improving the detection accuracy; Embodiments

[0040] The present application solves the problem that the positioning rod 20 needs to be separated from the clamping of the holder during disassembly by using reverse operation, which is connected through threads, thereby causing a long time to be consumed during disassembly, and then the efficiency is low, the threaded block 9 is separated from the engagement of the inner rotating groove 10, then the limiting block 12 can be quickly and automatically reset, thereby facilitating the quick separation of the transmission shaft holder, and therefore the present application is disclosed:

[0041] The top rod 4 extends into the inside of the rotating rod 3 to form a second sliding mechanism, the bottom of the top rod 4 is attached with the first roller 8, the middle part of the first roller 8 is rotatably connected to the inner end of the threaded block 9, the middle part of the threaded block 9 is connected with the second spring 11, and the right end of the second spring 11 is connected to the inside of the rotating rod 3, the movement of the top rod 4 and the threaded block 9 form a third sliding mechanism, then the threaded block 9 can be retracted into the inside of the rotating rod 3, the clamping rod 19 is not in contact with the right side of the pressure block 15 on the left side of the limiting block 12, the pressure block 15 is arranged in an “L” shape, grooves are equally spaced at the bottom of the top rod 4, the grooves on the outside of the bottom of the top rod 4 are arranged in a trapezoidal shape, the threaded block 9 is provided with two groups, and the directions of the two groups of threaded blocks 9 are arranged in opposite directions, and the two groups of threaded blocks 9 are engaged with the inner rotating grooves 10.

[0042] Reference Figure 1 、 Figures 4 to 8 After detection, the top rod 4 is pulled, the top rod 4 can slide in the inside of the rotating rod 3, the first roller 8 is driven to rotate, the first roller 8 is separated from the top rod 4, the top rod 4 is separated from the extrusion of the threaded block 9, the second spring 11 drives the threaded block 9 to move, the threaded block 9 slides in the inside of the rotating rod 3, the threaded block 9 is separated from the meshing of the inner rotating groove 10, the limiting block 12 slides on the rotating rod 3, the third spring 14 drives the limiting block 12 to reset, the limiting block 12 is separated from the transmission shaft holder, the transmission shaft holder is separated from the extrusion of the pressure block 15, the fourth spring 16 drives the pressure block 15 to reset, the pressure block 15 moves, the tight pull rope 17 is loosened, the fifth spring 21 drives the clamping rod 19 to reset, the clamping rod 19 is separated from the transmission shaft holder, the transmission shaft holder can be quickly taken after detection, and the detection efficiency is improved. Embodiment

[0043] The threaded block 9 and the inner rotating groove 10 are stably meshed, the convex block 5 is clamped in the inside of the groove 6 to form a clamping mechanism, the top rod 4 slides in the inside of the rotating rod 3, the stability of the top rod 4 is improved, and the embodiment is disclosed.

[0044] The top of the top rod 4 is provided with the convex block 5, the outer end of the convex block 5 is in semicircular shape, the outer end of the convex block 5 extends into the inside of the groove 6 to form a clamping mechanism, the groove 6 is arranged in the inside of the top end of the rotating rod 3, the top rod 4 is provided with two groups of left and right groups, the inner ends of the two groups of top rods 4 are connected with each other through the first spring 7, and the first spring 7 is arranged in the inside of the top rod 4.

[0045] Reference Figure 1 and Figure 5, by pulling the top rod 4, in turn, the top rod 4 can move to drive the protruding block 5 to move, in turn, the protruding block 5 can move by extrusion with the groove 6, in turn, the protruding block 5 is forced to move, so that the protruding block 5 can move to the inside of the top rod 4, then the protruding block 5 moves to extrude the first spring 7, so that the first spring 7 is forced to compress, and the protruding block 5 moves to disengage the clamping of the groove 6, so as to facilitate the quick movement of the top rod 4, and the protruding block 5 is moved by the force of the first spring 7, in turn, the protruding block 5 can extend into the inside of the groove 6 to form a clamping mechanism, in turn, the top rod 4 can be stably fixed in the inside of the rotating rod 3, so that the top rod 4 can stably drive the threaded block 9 to engage with the inner rotating groove 10, in turn, avoid the movement of the limiting block 12 due to the unstable engagement of the threaded block 9 and the inner rotating groove 10, so as to complete a series of work.

[0046] The working principle of the embodiment is: when using the centering device for detecting the transmission shaft retainer, first, refer to Figures 1 to 3 , place the transmission shaft retainer on the limiting block 12, then rotate the rotating rod 3, in turn, the limiting block 12 can slide in the inside of the support 2, and the limiting block 12 can slide on the fixed rod 13, so that the limiting block 12 can only move up and down, and the two groups of limiting blocks 12 will move in opposite positions, so that the limiting block 12 moves to extrude the third spring 14, then the transmission shaft retainer extrudes the pressure block 15, so that the pressure block 15 is forced to move to the inside of the limiting block 12 after being extruded, so that the fourth spring 16 is forced to compress, then the pressure block 15 moves to drive the pull rope 17 to move, so that the pull rope 17 can slide in the inside of the limiting block 12 through the second roller 18, then the pull rope 17 slides to drive the clamping rod 19 to move, and the anti-skid pad 22 can avoid damage to the transmission shaft retainer due to scratching after being clamped, then the clamping rod 19 moves to slide on the positioning rod 20, the movement of the clamping rod 19 can automatically center the transmission shaft retainer, so as to improve the accuracy of detection;

[0047] Refer to Figure 1 , Figures 4 to 8After detection, the top rod 4 is pulled to move the first roller 8, and when the top rod 4 moves to a position, the first roller 8 is separated from the top rod 4, so that the top rod 4 is separated from the extrusion of the threaded block 9, and then the second spring 11 is forced to move the threaded block 9, so that the threaded block 9 is separated from the engagement of the inner rotating groove 10, and then the limiting block 12 can slide on the rotating rod 3, and the third spring 14 is forced to move the limiting block 12, so that the limiting block 12 can quickly reset on the rotating rod 3, so that the limiting block 12 is separated from the positioning of the transmission shaft holder, and the transmission shaft holder is also separated from the extrusion of the stressed block 15, and the movement of the stressed block 15 makes the tight pull rope 17 become loose, so that the clamping rod 19 is separated from the transmission shaft holder, and then the transmission shaft holder can be quickly taken after detection, so that the detection efficiency is improved.

[0048] Reference Figure 1 and Figure 5 By pulling the top rod 4, the convex block 5 is moved together with the top rod 4, so that the convex block 5 can move to the inside of the top rod 4, and then the convex block 5 is moved to extrude the first spring 7, and the convex block 5 is separated from the engagement of the groove 6, so that the top rod 4 can move quickly, and the convex block 5 is moved by the force of the first spring 7, so that the convex block 5 can extend into the groove 6 to form a clamping mechanism, so that the top rod 4 can stably drive the threaded block 9 and the inner rotating groove 10 to engage, and then the movement of the limiting block 12 caused by the unstable engagement of the threaded block 9 and the inner rotating groove 10 is avoided, so that a series of work is completed.

[0049] Although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can modify the technical solutions described in the foregoing embodiments, or make equivalent replacements to part of the technical features, and any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A centering positioner for detecting a drive shaft cage, comprising a base (1) on which a bracket (2) is rotatably mounted; Its features are, Also includes: The bracket (2) has a rotating rod (3) inside, and threaded blocks (9) are evenly spaced on the rotating rod (3). The outer end of the threaded block (9) extends into the inner spiral groove (10) to form a meshing mechanism. The inner spiral groove (10) is opened inside the limiting block (12), and a pressure block (15) slides on the right end of the limiting block (12). The bottom of the pressure block (15) is connected to a fourth spring (16), and the bottom of the fourth spring (16) is connected to the inside of the limiting block (12). The side of the bottom of the pressure block (15) is connected to the clamping rod (19) through a pull rope (17). The inner end of the clamping rod (19) slides inside the limiting block (12) to form a first sliding mechanism. The movement of the clamping rod (19) drives the transmission shaft retainer to move, thereby achieving the purpose of automatic centering and positioning. The bottom of the push rod (4) extends into the interior of the rotating rod (3) to form a second sliding mechanism. The bottom of the push rod (4) is attached to the first roller (8), and the middle part of the first roller (8) is rotatably connected to the inner end of the threaded block (9). The middle part of the threaded block (9) is connected to the second spring (11), and the right end of the second spring (11) is connected to the interior of the rotating rod (3). The movement of the push rod (4) and the threaded block (9) form a third sliding mechanism, thereby enabling the threaded block (9) to retract into the interior of the rotating rod (3). The bottom of the top rod (4) is provided with grooves at equal intervals, and the grooves on the outer side of the bottom of the top rod (4) are trapezoidal. There are two sets of threaded blocks (9), and the two sets of threaded blocks (9) are set in opposite directions. Both sets of threaded blocks (9) are engaged with internal spiral grooves (10).

2. A centering positioner for detecting a drive shaft cage according to claim 1, characterized in that: The pull rope (17) slides inside the limiting block (12), and the second roller (18) is attached to the left side of the pull rope (17), and the second roller (18) rotates inside the limiting block (12).

3. A centering positioner for detecting a drive shaft cage according to claim 2, characterized in that: An anti-slip pad (22) is fixed to the left side of the clamp (19), and the anti-slip pad (22) is made of colloid.

4. A centering positioner for detecting a drive shaft cage according to claim 3, characterized in that: The clamping rod (19) located on the left side of the limiting block (12) will not contact the right side of the pressure block (15), and the pressure block (15) is arranged in an "L" shape.

5. A centering positioner for detecting a drive shaft cage according to claim 4, characterized in that: The top of the top rod (4) has a slidable protrusion (5), and the outer end of the protrusion (5) is semi-circular.

6. A centering positioner for detecting a drive shaft cage according to claim 5, characterized in that: The outer end of the protrusion (5) extends into the interior of the groove (6) to form a locking mechanism, and the groove (6) is opened inside the top of the rotating rod (3).

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