CN217424243U

CN217424243U - Spline shaft fork phase detection tool

Info

Publication number: CN217424243U
Application number: CN202220293983.2U
Authority: CN
Inventors: 张志斌; 刘硕; 张�浩; 郭祥富; 何晓敏; 邹树贤; 周晓慧; 郭丹丹; 刘金檑; 刘铭钊; 刘孟孟; 张永得
Original assignee: Xuchang Yuandong Drive Shaft Co Ltd
Current assignee: Xuchang Yuandong Drive Shaft Co Ltd
Priority date: 2022-02-15
Filing date: 2022-02-15
Publication date: 2022-09-13
Anticipated expiration: 2032-02-15

Abstract

The utility model discloses an utensil is examined to spline shaft yoke phase place mainly includes that the upper surface is planar base, with wait to detect cylindrical plug of spline shaft yoke earhole complex, V type piece and brace table. The two V-shaped blocks are arranged on the upper surface of the base in parallel and symmetrically, the upper ends of the V-shaped blocks are provided with V-shaped grooves, the two V-shaped grooves are tangent to the same cylindrical surface, the central line of the cylindrical surface is parallel to the upper surface of the base, and the two V-shaped grooves bear the core rod 2 penetrating through the lug hole of the spline shaft fork to be detected from two sides. The supporting table comprises a fixed part and a movable part, the fixed part is fixedly connected to the upper surface of the base, the movable part is fixedly connected with the fixed part through a scissor fork mechanism in an adjustable mode, and the movable part can move up and down relative to the base and is parallel to the upper surface of the base. The utility model discloses the location benchmark of spline shaft yoke has been changed, detects the spline phase place through location earhole axis level. The technical problems that the check tool is difficult to manufacture and inconvenient to use in the prior art can be solved.

Description

Spline shaft fork phase detection tool

Technical Field

The utility model belongs to the technical field of the vehicle transmission shaft technique and specifically relates to an utensil is examined to spline shaft yoke phase place.

Background

After the shaft yoke of the transmission shaft is machined with the spline, the phase of the spline tooth relative to the axis of the lug hole needs to be detected, namely the offset angle of the central line of the spline tooth relative to the central line of the lug hole.

In the prior art, the phase of a spline shaft yoke is detected, a spline sleeve with a horizontal axis arranged on a horizontal base is matched with a spline part of the spline shaft yoke to fix the spline shaft yoke, a core rod penetrates through symmetrical two lug holes, and the height difference of specific positions on two sides of the core rod is measured and compared with a calculated qualified range, so that whether the phase of the spline is in the qualified range is determined.

The prior measuring method adopts a spline end to fix a workpiece to be detected, and has the following defects: the universality is poor, one set of checking fixture can only detect one spline shaft yoke with spline parameters matched with the spline sleeve, and the checking fixture is required to be manufactured again for models with different spline parameters; the installation is detected and is detected the spline shaft yoke degree of difficulty greatly, and the spline cooperation is relatively delicate cooperation, and the step of inserting the spline shaft yoke into the spline housing is wasted time and energy.

Disclosure of Invention

The utility model aims at providing an utensil is examined to spline shaft fork phase place can solve the spline shaft fork phase place among the prior art and examine the utensil commonality poor and use the big technical problem of the degree of difficulty.

In order to achieve the above purpose, the present invention adopts the following technical solution.

The utility model provides an utensil is examined to spline shaft yoke looks position, includes that the upper surface is planar base, with wait to detect cylindrical plug of spline shaft yoke earhole complex, still includes:

the V-shaped blocks are arranged on the upper surface of the base in parallel and symmetrically, the upper ends of the V-shaped blocks are provided with V-shaped grooves, the two V-shaped grooves are tangent to the same cylindrical surface, the central line of the cylindrical surface is parallel to the upper surface of the base, and the two V-shaped grooves are used for supporting the core rod penetrating through the lug hole of the spline shaft to be detected from two sides.

The two V-shaped blocks are adopted to support the mandril, and the V-shaped blocks can be compatible with the mandrils of various sizes, so that the checking fixture platform has universality. The matching of the core rod and the lug hole is more convenient to install compared with the matching of a spline and a spline sleeve in the prior art.

The supporting table is arranged on the upper surface of the base and can be adjusted in height, and is used for supporting the spline part of the spline shaft fork to be detected and adjusting the height to enable the spline axis to be parallel to the upper surface of the base.

Adopt height-adjustable's brace table bearing to wait to detect spline shaft fork's spline part, can make spline part axis and base upper surface parallel through adjusting the brace table height to the spline shaft fork of different models, have the commonality.

Furthermore, the supporting table comprises a fixing part and a movable part, the fixing part is fixedly connected to the upper surface of the base, the movable part is fixedly connected with the fixing part through a scissor fork mechanism in an adjustable mode, and the movable part can move up and down relative to the base and the upper surface of the movable part is parallel to the upper surface of the base.

Further, scissors fork mechanism includes that parallel and symmetry establish two scissors forks between fixed part and movable part, the scissors fork includes first bracing piece and second bracing piece, hinge rotation connection is passed through at first bracing piece and second bracing piece middle part, first bracing piece one end is rotated with the fixed part and is connected, the first bracing piece other end passes through second slider and movable part sliding connection, second bracing piece one end is rotated with the movable part and is connected, the second bracing piece other end passes through first slider and fixed part sliding connection, scissors fork mechanism still includes establishes the adjusting screw who is used for driving first slider to do reciprocating motion on the fixed part.

Further, adjusting screw passes through the screw thread and installs on the fixed part, and adjusting screw one end is rotated with first slider and is connected, and the adjusting screw other end is equipped with the rotation handle.

The supporting platform part adopts a scissor fork structure to adjust the height, and has simple structure and wide adjusting range. The first sliding block is driven by the screw rod, so that the self-locking mechanism has a self-locking characteristic, high adjustment precision and convenience in operation.

Furthermore, the bottom of the base is provided with height-adjustable support legs for horizontally placing the checking fixture on the workbench.

Further, the base upper surface is equipped with the spirit level for the cooperation stabilizer blade is transferred the base to the level.

Adopt height-adjustable's stabilizer blade cooperation spirit level can put the base steady on the workstation fast and transfer the base upper surface to the level, promote the accuracy nature of testing result.

Furthermore, the V-shaped block is positioned on the base through a cylindrical pin and fixedly connected with the base through a bolt.

Drawings

Fig. 1 is a schematic side view of the present invention.

Fig. 2 is a schematic view of the dual structure of the present invention.

Fig. 3 is a schematic structural diagram of the support table of the present invention.

Fig. 4 is a schematic view of an embodiment of the welding connection mode between the V-shaped block and the base according to the present invention.

Fig. 5 is a schematic view of an embodiment of the present invention in which the height of the middle support seat is adjusted by using an adjusting shim.

Fig. 6 is a schematic diagram of the detection principle for detecting the phase of the spline shaft yoke by using the standard measuring rod.

Description of the drawings: 1. the test fixture comprises a base, 11, supporting legs, 12, a level gauge, 2, a core rod, 3, a V-shaped block, 31, a V-shaped groove, 32, a welding line, 4, a supporting table, 41, a fixing portion, 42, a movable portion, 43, a first supporting rod, 44, a second supporting rod, 45, a first sliding block, 46, a second sliding block, 47, an adjusting screw rod, 48, a rotating handle, 49, an adjusting gasket, 5, a spline shaft fork to be tested, 51, an ear hole axis, 52, a first tooth socket, 53 and a second tooth socket.

Detailed Description

In order to make the purpose, technical solution and advantages of the present invention more clearly understood, the following description, in conjunction with the accompanying drawings and embodiments, will make further details on the features and performance of the spline shaft yoke phase detection device of the present invention.

Referring to fig. 1 and 2, the utility model provides a spline shaft yoke phase testing fixture, which comprises a base 1, a core rod 2, two V-shaped blocks 3 and a supporting table 4.

The base 1 is the basis of the whole checking fixture, and the upper surface of the base 1 is a plane. The bottom of the base 1 is provided with a supporting leg with adjustable height, and the upper surface of the base 1 is provided with a level gauge.

The core rod 2 penetrates through an ear hole of the spline shaft fork 5 to be detected and is matched with the ear hole.

Two V type pieces 3 symmetry are established on base 1 upper surface, and 3 upper ends of V type pieces are equipped with V type groove 31, and two V type grooves 31 are tangent and this cylinder surface central line and base 1 upper surface parallel with same cylinder surface, and two V type grooves 31 are worn the plug 2 in waiting to detect the spline shaft fork earhole from both sides bearing.

Wherein, V type piece 3 passes through the cylindric lock and fixes a position on base 1, and V type piece 3 passes through bolt and base 1 fixed connection, and two V type pieces 3 are installed the back on base 1 to base 1 upper surface is the whole processing V type groove 31 of benchmark.

The supporting table 4 is arranged on the upper surface of the base 1, can be adjusted in height and is used for supporting the spline part of the spline shaft fork 5 to be detected, and the spline shaft line is parallel to the upper surface of the base 1 by adjusting the height.

The supporting table 4 comprises a fixed portion 41, a movable portion 42 and a scissor fork mechanism, the fixed portion 41 is fixedly connected to the upper surface of the base 1 through bolts, the movable portion 42 is fixedly connected with the fixed portion 41 through the scissor fork mechanism in an adjustable mode, the upper surface of the movable portion 42 is parallel to the upper surface of the base 1, and the movable portion 42 can move up and down relative to the base 1 under the action of the scissor fork mechanism.

Scissors fork mechanism includes that parallel and symmetry establish two sets of scissors forks between fixed part and movable part, the scissors fork includes first bracing piece 43 and second bracing piece 44, hinge rotation connection is passed through at first bracing piece 43 and second bracing piece 44 middle part, first bracing piece 43 one end is rotated with fixed part 41 and is connected, the first bracing piece 43 other end passes through

second slider

46 and 42 sliding connection of movable part, second bracing piece 44 one end is rotated with movable part 42 and is connected, the second bracing piece 44 other end passes through

first slider

45 and 41 sliding connection of fixed part.

The scissors fork mechanism further comprises an adjusting screw 47 which is arranged on the fixing portion 41 and used for driving the first sliding block 45 to reciprocate, the adjusting screw 47 is mounted on the fixing portion 41 through threads, one end of the adjusting screw 47 is rotatably connected with the first sliding block 45, and a rotating handle 48 is arranged at the other end of the adjusting screw 47.

Of course, the present invention is not limited to the above-described embodiments, and several other embodiments based on the design concept of the present invention are provided below.

For example, in other embodiments, different from the above-described embodiments, the V-block 3 is connected to the base 1 by welding, and as shown in fig. 4, after the welding is completed, a stress relieving operation is performed, and then the V-groove 31 is integrally formed with reference to the upper surface of the base 1.

For example, in another embodiment, different from the above-described embodiment, the supporting platform 4 includes a fixed portion 41 and a movable portion 42, the fixed portion 41 is disposed on the upper surface of the base 1, the movable portion 42 is connected to the fixed portion 41 by a bolt, the upper surface of the movable portion 42 is parallel to the upper surface of the base 1, and the height of the movable portion 42 is adjusted by adding an adjusting shim 49 between the fixed portion 41 and the movable portion 42, as shown in fig. 5, the adjusting shim 49 may have different thickness specifications for flexible combination.

When the spline phase position of the spline shaft fork needs to be detected, the checking fixture is placed on the workbench, and the upper surface of the base 1 is adjusted to be horizontal through adjusting the support legs 11 and the level gauge 12.

Selecting a core rod 2 matched with the ear hole of the spline shaft yoke 5 to be detected, and penetrating the core rod 2 into the ear hole of the spline shaft yoke 5 to be detected, so that the spline shaft yoke 5 to be detected is positioned at the position, close to the center, of the core rod 2. Two ends of a core rod 2 penetrated with a spline shaft fork 5 to be detected are arranged in V-shaped grooves 31 on V-shaped blocks 3 which are symmetrically arranged.

At the moment, the axis of the lug hole of the spline shaft 5 to be detected is horizontally positioned, and the spline shaft 5 to be detected can rotate around the axis of the lug hole. The spline shaft 5 to be detected is rotated around the axis of the ear hole until the spline end is placed on the upper surface of the movable part 42 in the support table 4, and the height of the movable part 42 is adjusted by rotating the rotating handle 48, so that the axis of the spline part of the spline shaft 5 to be detected is horizontal, as shown in fig. 1 and 2.

As shown in fig. 6, the standard measuring rods with proper diameters are selected according to spline parameters, and the two selected standard measuring rods are respectively placed in the tooth grooves of the splines closest to the outer ends of the two sides in the horizontal direction and fixed. If two adjacent tooth grooves are the tooth groove closest to the outer end in the horizontal direction, such as the first tooth groove 52 and the second tooth groove 53, the tooth groove fixed measuring rod positioned above is uniformly selected. The fixing can use a rubber bandage or design a special clamping tool, and one end of the measuring rod can slightly extend out of the end face of the spline during fixing for measuring.

And (3) measuring the height difference H of the two measuring bars relative to the upper surface of the base 1 by using a measuring tool, and comparing the height difference H with a standard value range calculated by a drawing to judge whether the spline phase is qualified.

Particularly, the position for placing the measuring rod is not limited to the tooth grooves of the spline closest to the outer ends of the two sides in the horizontal direction, the measuring rod can be fixed in the two tooth grooves at a specific position for measurement, the measurement result is compared with a standard value range calculated at the specific position through a drawing, and whether the spline phase is qualified or not can be judged.

It should be noted that the above embodiments are only used to illustrate the present invention, but the present invention is not limited to the above embodiments, and any simple modification, equivalent change and modification made to the above embodiments by the technical essence of the present invention all fall into the protection scope of the present invention.

Claims

1. The utility model provides an utensil is examined to spline shaft yoke looks position, includes that the upper surface is planar base (1), with wait to detect cylindrical plug (2) of spline shaft yoke earhole complex, its characterized in that: also comprises

The device comprises V-shaped blocks (3), wherein the two V-shaped blocks (3) are arranged on the upper surface of a base (1) in parallel and symmetrically, a V-shaped groove (31) is formed in the upper end of each V-shaped block (3), the two V-shaped grooves (31) are tangent to the same cylindrical surface, the central line of the cylindrical surface is parallel to the upper surface of the base (1), and the two V-shaped blocks (3) are used for supporting a core rod (2) penetrating through an ear hole of a spline shaft fork to be detected from two sides;

the supporting table (4) is arranged on the upper surface of the base (1) and can be adjusted in height, is used for supporting the spline part of the spline shaft fork to be detected, and enables the axis of the spline to be parallel to the upper surface of the base (1) through adjusting the height.

2. The spline shaft yoke phase detection tool of claim 1, wherein: the supporting table (4) comprises a fixing portion (41) and a moving portion (42), the fixing portion (41) is fixedly connected to the upper surface of the base (1), the moving portion (42) is fixedly connected with the fixing portion (41) through a scissor fork mechanism in an adjustable mode, the moving portion (42) can move up and down relative to the base (1), and the upper surface of the moving portion (42) is parallel to the upper surface of the base (1).

3. The spline shaft yoke phase detection tool as claimed in claim 2, wherein: scissors fork mechanism includes that parallel and symmetry establish two scissors forks between fixed part and movable part, the scissors fork includes first bracing piece (43) and second bracing piece (44), hinge rotation connection is passed through at first bracing piece (43) and second bracing piece (44) middle part, first bracing piece (43) one end is rotated with fixed part (41) and is connected, second slider (46) and movable part (42) sliding connection are passed through to first bracing piece (43) other end, second bracing piece (44) one end is rotated with movable part (42) and is connected, second bracing piece (44) other end is through first slider (45) and fixed part (41) sliding connection, scissors fork mechanism is still including establishing adjusting screw (47) that are used for driving first slider (45) to do reciprocating motion on fixed part (41).

4. The spline shaft yoke phase detection tool as claimed in claim 3, wherein: adjusting screw (47) pass through the screw thread and install on fixed part (41), adjusting screw (47) one end is rotated with first slider (45) and is connected, and adjusting screw (47) other end is equipped with rotation handle (48).

5. The spline shaft yoke phase detection tool of claim 1, wherein: the base (1) bottom is equipped with height-adjustable's stabilizer blade (11) for will examine a level and place on the workstation.

6. The spline shaft yoke phase detection tool of claim 5, wherein: the upper surface of the base (1) is provided with a level gauge (12) which is used for being matched with the supporting leg (11) to adjust the base (1) to be horizontal.

7. The spline shaft yoke phase detection tool of claim 1, wherein: the V-shaped block (3) is positioned on the base (1) through a cylindrical pin, and the V-shaped block (3) is fixedly connected with the base (1) through a bolt.