CN215261573U - Internally splined rod spacing measuring tool - Google Patents
Internally splined rod spacing measuring tool Download PDFInfo
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- CN215261573U CN215261573U CN202120401017.3U CN202120401017U CN215261573U CN 215261573 U CN215261573 U CN 215261573U CN 202120401017 U CN202120401017 U CN 202120401017U CN 215261573 U CN215261573 U CN 215261573U
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Abstract
The utility model discloses an interior spline stick interval measuring tool, including measuring mechanism, measuring mechanism is used for detecting interior spline stick interval, measuring mechanism integrative fixed stretches into the interior spline keyway and measures the excellent interval of internal spline, measuring mechanism includes logical end measuring part and end-stopping measuring part, the measuring size of logical end measuring part is the machining dimension of internal spline keyway, the measuring size of end-stopping measuring part is the limit size of internal spline keyway wearing and tearing, logical end measuring part with end-stopping measuring part all inserts the internal spline and measures, be provided with connecting portion on the mount pad, connecting portion are used for supporting logical end measuring part and end-stopping measuring part; the mounting seat is used for fixing the measuring mechanism, and has the effects of directly viewing the distance between the inner spline rods, high detection speed and high efficiency.
Description
Technical Field
The utility model relates to a power take off cover tooth size measurement technical field especially, relates to an interior spline stick interval measuring tool.
Background
At present, detection is needed after the involute internal spline is processed, and the span (M value for short) of the involute internal spline measuring rod is an important detection value. The current method for measuring the M value is as follows: respectively placing two measuring rods with the same size into two tooth grooves with the farthest internal splines, and measuring the maximum distance between the inside buses of the two measuring rods by using a vernier caliper or a measuring block, wherein the distance is an M value; and comparing the measured M value with a tolerance value allowed by the product, wherein if the M value falls within a tolerance range, the M value of the product is qualified, and otherwise, the M value of the product is unqualified. The method for measuring the M value of the involute internal spline is inconvenient to operate, whether the M value of a product is qualified or not is detected by using the measured M value, the detection speed is low, the efficiency is low, the defect is particularly prominent in large-batch detection, and the technical problem is urgently needed to be solved.
SUMMERY OF THE UTILITY MODEL
The utility model provides an interior spline stick interval measuring tool to it is inconvenient to solve the M value operation of measuring the internal spline that gradually bursts at seams, and then whether the M value that utilizes the M value of surveying to detect the product is qualified and is not directly observed again, and detects technical problem slow, the inefficiency.
According to an aspect of the utility model, a provide an interior spline stick interval measuring tool, include:
the measuring mechanism is used for detecting the distance between bars of the internal spline, the measuring mechanism integrally and fixedly extends into the key groove of the internal spline to measure the distance between the bars of the internal spline, the measuring mechanism comprises a through end measuring part and a stop end measuring part, the measuring size of the through end measuring part is the processing size of the key groove of the internal spline, and the measuring size of the stop end measuring part is the limit size of the abrasion of the key groove of the internal spline;
and the mounting seat is used for fixing the measuring mechanism.
Through adopting above-mentioned technical scheme, with the fixed measuring mechanism of mount pad, stretch into the keyway of the internal spline that gradually bursts at the seams with measuring mechanism in through handheld mount pad, measure the internal spline that gradually bursts at the seams through measuring mechanism, stretch into the internal spline keyway with measuring mechanism an organic whole in, measuring mechanism is last to be provided with the only end measuring part that detects the biggest wearing and tearing extreme dimension of internal spline stick interval and to detect the logical end measuring part of internal spline stick interval machining dimension, whether it is qualified to reach internal spline keyway stick interval directly perceived respectively through stretching into the machining dimension of internal spline keyway stick interval and the biggest wearing and tearing extreme dimension with measuring mechanism in the internal spline keyway, it measures directly perceived to have internal spline stick interval, detect fast efficient effect.
Further, lead to end measurement portion with end measurement portion all inserts and measures in the internal spline, be provided with connecting portion on the mount pad, connecting portion are used for supporting lead to end measurement portion and end measurement portion, the measurement size that leads to end measurement portion is the machining dimension of internal spline keyway, the measurement size that ends end measurement portion is the extreme dimension of internal spline keyway wearing and tearing.
By adopting the technical scheme, the distance between the internal spline rods is measured by the through end measuring part and the end stopping measuring part of the measuring mechanism, if the through end measuring part enters the internal spline tooth groove, the end stopping measuring part cannot enter the internal spline tooth groove, the rod distance of the internal spline is between the processing size of the distance between the internal spline rods and the maximum abrasion limit size, the M value of the distance between the internal spline rods is consistent with the specification, and the internal spline is qualified, otherwise, the internal spline is unqualified.
Furthermore, lead to end measurement portion includes that a plurality of lead to end measure the stick, and a plurality of lead to end measure the stick and be located same one side of mount pad and be the symmetry setting, a plurality of lead to end measure the stick and peg graft in the tooth's socket of internal spline.
By adopting the technical scheme, the distance between the tooth groove rods of the internal spline is measured through the through end measuring rod, whether the through end measuring rod can enter the tooth groove of the internal spline can be directly measured, and the visual size of the distance between the tooth groove rods of the internal spline can be directly obtained.
Furthermore, the end-stopping measuring part comprises a plurality of end-stopping measuring rods, the end-stopping measuring rods are located on one side, away from the end-communicating measuring part, of the mounting seat, and the end-stopping measuring rods are symmetrically arranged on one side of the mounting seat.
By adopting the technical scheme, the distance between the tooth groove rods of the internal spline is measured by the end-stopping measuring rod, so that whether the end-stopping measuring rod can enter the tooth groove of the internal spline can be directly measured, the apparent size of the distance between the tooth groove rods of the internal spline can be directly obtained, the end-stopping measuring rod enters the tooth groove of the internal spline, and the internal spline is qualified if the end-stopping measuring rod cannot enter the tooth groove of the internal spline.
Further, the connecting portion include the locating piece, the locating piece peg graft in between the mount pad, lead to the end measure the stick with end is measured the equal butt of stick in on the lateral wall of locating piece, the locating piece with be provided with fastening component between the mount pad, fastening component is used for locking the mount pad with the locating piece.
Through adopting above-mentioned technical scheme, will lead to the end through the locating piece and measure the stick and link up with ending the end and measure the stick, peg graft in internal spline through the locating piece, will lead to end measuring part and aim at the internal spline tooth's socket and measure, have convenient alignment and carry out measuring effect.
Furthermore, the lateral wall of the mounting seat is provided with accommodating grooves at corresponding positions of the through end measuring rod and the end stopping measuring rod, and the through end measuring rod and the end stopping measuring rod are all inserted into the accommodating grooves.
Through adopting above-mentioned technical scheme, carry out fixed mounting to leading to the end measuring stick and ending the end measuring stick through the holding tank, can lead to the end measuring stick and end the position of measuring the stick in the holding tank of end measuring to the internal spline tooth's socket stick interval of different sizes through control and measure.
Furthermore, the through end measuring rod and the end stopping measuring rod are both sleeved with a fixing sleeve, and the fixing sleeve is inserted into the accommodating groove.
Through adopting above-mentioned technical scheme, establish the tip that leads to end measurement stick and end-stopping measurement stick through fixed cover, will lead to the end to measure in stick and end-stopping measurement stick fix the holding tank on the mount pad for lead to end measurement stick and end-stopping measurement stick can swing on the locating piece, can be automatic to the heart when measuring.
Furthermore, the outer wall of the mounting seat is wrapped with a cover plate, and the fastening assembly is connected with the cover plate, the mounting seat and the positioning block.
Through adopting above-mentioned technical scheme, through the apron with mount pad and integrative fixed of locating piece, protect installation version and locating plate through the apron, improved the life of locating piece and mount pad.
Further, the fastening assembly comprises a screw, and the screw thread penetrates through the cover plate, the mounting seat and the positioning block to be in threaded connection.
Through adopting above-mentioned technical scheme, will lap with installation version and locating piece three is integrative fixed through the screw for it is accurate with ending the end measuring stick position on the locating piece to lead to the end, and when operating through holding the apron, the locating piece can not slide and cause the condition emergence that measuring error is bigger than normal.
Furthermore, one ends of the through end measuring rod and the end stop measuring rod, which face the spline internal tooth groove, are both conical.
Through adopting above-mentioned technical scheme, will lead to the end and measure the tip that the stick was measured to the end and set up to coniform, will lead to the end and measure the stick and stretch into the tooth's socket of internal spline in, can make things convenient for lead to the end to measure the stick and end and measure the tooth's socket that the stick got into the internal spline, convenient operation.
The utility model discloses following beneficial effect has:
the utility model discloses a grip the apron with mount pad and the integrative installation of locating piece, measure the stick through will leading to the end and stretch into involute internal spline tooth's socket in, will only end again and measure the stick and stretch into the internal spline tooth's socket in, if lead to the end measure in the stick gets into the tooth's socket and only end measure the stick can't get into the tooth's socket, then this internal spline size is qualified, otherwise is unqualified.
In addition to the above-described objects, features and advantages, the present invention has other objects, features and advantages. The present invention will be described in further detail with reference to the drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification. In the drawings:
FIG. 1 is a schematic view of the overall structure of a spline bar spacing measuring tool in a preferred embodiment of the present invention;
fig. 2 is a schematic side view of the instrument for measuring the distance between spline bars in the preferred embodiment of the present invention.
Illustration of the drawings:
1. a mounting seat; 11. accommodating grooves; 2. a measuring mechanism; 21 a through end measuring part; 211. a through end measuring rod; 22. a dead end measuring section; 221. a dead end measuring bar; 3. a connecting portion; 31. positioning blocks; 4. a fastening assembly; 41. a screw; 5. fixing a sleeve; 6. and (7) a cover plate.
Detailed Description
The embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways, which are defined and covered below.
As shown in fig. 1 and fig. 2, the present embodiment discloses an internal spline bar interval measuring tool, which includes a measuring mechanism 2 and a mounting base 1, wherein the measuring mechanism 2 is fixed by the mounting base 1, and the mounting base 1 is held to measure the interval between involute internal spline bars by the measuring mechanism 2. Measuring mechanism 2 includes that lead to end measuring part 21 and end measuring part 22's measuring distance is less than end measuring part 22's measuring distance, when measuring involute internal spline, insert into internal spline tooth's socket through holding mount pad 1 with lead to end measuring part 21, insert into internal spline tooth's socket with end measuring part 22 again, if lead to end measuring part 21 and insert into internal spline tooth's socket in and end measuring part 22 can't insert into internal spline tooth's socket, then the compound production requirement of size of the stick interval of involute internal spline, this product is qualified.
Referring to fig. 1 and 2, the measuring portion 21 includes two through ends measuring bars 211, the two through ends measuring bars 211 are located at the same side of the mounting base 1 and are symmetrically placed, the connecting line of the two through ends measuring bars 211 passes through the center of the mounting base 1, the through ends measuring bars 211 are cylindrical, and one end of the through ends measuring bars 211 close to the internal spline key groove is in a conical shape. Two through end measuring rods 211 are inserted in the involute internal spline tooth grooves. The end-stop measuring part 22 comprises two end-stop measuring bars 221, the end-stop measuring bars 221 are cylindrical, and one ends of the end-stop measuring bars 221 close to the internal spline key groove are arranged in a conical shape. When the rod pitch of the internal spline is measured, the through-end measuring rod 211 is inscribed in the reference circle of the internal spline.
Referring to fig. 1 and 2, the mounting base 1 is provided with a connecting portion 3 to fix the through end measuring portion 21 and the end stopping measuring portion 22, the connecting portion 3 includes a positioning block 31, the positioning block 31 penetrates through the mounting base 1, the positioning block 31 is a square block with four corners provided with chamfers, and the end stopping measuring rod 221 is abutted to the side wall of the positioning block 31 at the through end measuring rod 211 and can be deviated along the positioning block 31. The mounting seat 1 is connected with the positioning block 31 through a fastening component 4. Accommodating grooves 11 are formed in two sides of the mounting seat 1, and the end-stop measuring rod 221 and the end-through measuring rod 211 are respectively inserted into the accommodating grooves 11. The fixed sleeve 5 is sleeved on one end of the end-stop measuring rod 221 and one end of the through end measuring rod 211 close to the accommodating groove 11, and the end-stop measuring rod 221 and the through end measuring rod 211 are bonded at the bottom of the accommodating groove 11 through the fixed sleeve 5.
Referring to fig. 1 and 2, the mounting base 1 is further covered with a cover plate 6, and the cover plate 6 integrally connects the mounting base 1 and the positioning block 31. The fastening component 4 is a screw 41, and the screw 41 is threaded through the cover plate 6 and the mounting base 1 and is in threaded connection with the positioning block 31 in the mounting base 1. The mounting base 1, the cover plate 6 and the positioning block 31 are integrally fixed by screws 41, and an operator holds the cover plate 6 by hand to measure the bar pitch of the internal spline.
The working principle of the internal spline bar spacing measuring tool comprises the following steps: according to spline design parameters, firstly calculating the size of a rolling rod required by a measuring tool, and then calculating the distance between internal spline rods according to the actual tooth groove width of an internal spline; through holding the mounting seat 1, the through end measuring rod 211 of the through end measuring part 21 is inserted into the tooth groove of the internal spline, the end stopping measuring rod 221 of the end stopping measuring part 22 is inserted into the tooth groove, if the through end measuring rod can be inserted into the tooth groove and the end stopping measuring rod cannot be inserted into the tooth groove, the actual tooth groove width of the part is qualified, and otherwise, the actual tooth groove width is unqualified. The roller is connected and adjustable through fixed cover 5 in holding tank 11, guarantees that the roller can self-centering in actual measurement process.
Example 2
The difference between this embodiment and embodiment 1 is that the fastening assembly 4 includes a pin, the pin is disposed in a conical shape, the pin penetrates through the cover plate 6 and the mounting seat 1 and the positioning block 31, the other outgoing end of the pin is radially provided with a screw hole, and the stud thread penetrates through the screw hole and abuts against the sidewall of the cover plate 6 to integrally fix the mounting seat 1, the positioning block 31 and the cover plate 6, which is convenient for operation.
Example 3
The difference of this embodiment and embodiment 1 lies in fastening components 4 including fixed frame and threaded rod, and the outer wall of the width laminating apron 6 of fixed frame is established at the outer wall of apron 6 through establishing fixed frame cover, and the both sides of penetrating fixed frame and support tightly press from both sides apron 6 and mount pad 1 and locating piece 31 tightly on the outer wall of apron 6 through the threaded rod difference screw thread, makes things convenient for manual operation.
Example 4
This embodiment lies in with embodiment 1's difference, measuring mechanism includes a pair of measurement stick, two lead to the end to measure stick and two and measure perpendicular fixedly connected with telescopic links respectively between the stick, be provided with the stopper in the telescopic link and make the telescopic link remove along a direction, be provided with the scale mark on the lateral wall of telescopic link, stick interval adjustment through will moving the telescopic link and will measure the stick, peg graft into the internal spline keyway through measuring stick and internal spline keyway cooperation, can directly read out the distance between the measurement stick through observing the size reading on the telescopic link, the size of internal spline stick interval can audio-visually observe, convenient measurement.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides an interior spline stick interval measuring tool which characterized in that: the method comprises the following steps:
the measuring mechanism (2) is used for detecting the distance between bars of the inner spline, the measuring mechanism (2) is integrally fixed and integrally extends into the key groove of the inner spline to measure the distance between the bars of the inner spline, the measuring mechanism (2) comprises a through end measuring part (21) and a stop end measuring part (22), the measuring size of the through end measuring part (21) is the machining size of the key groove of the inner spline, and the measuring size of the stop end measuring part (22) is the limit size of the abrasion of the key groove of the inner spline;
the mounting seat (1), the mounting seat (1) is used for fixing the measuring mechanism (2).
2. An internal spline bar spacing measuring tool according to claim 1, wherein: lead to end measuring part (21) with end measuring part (22) is used for inserting the internal spline respectively and measures, be provided with connecting portion (3) on mount pad (1), connecting portion (3) are used for supporting lead to end measuring part (21) and end measuring part (22).
3. An internal spline bar spacing measuring tool according to claim 2, wherein: lead to end measurement portion (21) and include that a plurality of lead to end measure stick (211), a plurality of lead to end measure stick (211) and be located same one side of mount pad (1) and be the symmetry setting, a plurality of lead to end measure stick (211) and be used for pegging graft and measure in the tooth's socket of internal spline.
4. An internal spline bar spacing measuring tool according to claim 3, wherein: the end-stopping measuring part (22) comprises a plurality of end-stopping measuring rods (221), the end-stopping measuring rods (221) are located on one side, far away from the end-communicating measuring part (21), of the mounting seat (1), and the end-stopping measuring rods (221) are symmetrically arranged on one side of the mounting seat (1).
5. An internal spline bar spacing measurement tool according to claim 4, wherein: connecting portion (3) are including locating piece (31), mount pad (1) are worn to establish by locating piece (31), lead to the end measure stick (211) with end measure stick (221) all the butt in on the lateral wall of locating piece (31), locating piece (31) with be provided with fastening component (4) between mount pad (1), fastening component (4) are used for locking mount pad (1) with locating piece (31).
6. An internal spline bar spacing measurement tool according to claim 4, wherein: accommodating grooves (11) are formed in the side wall of the mounting seat (1) at the corresponding positions of the through end measuring rod (211) and the end stopping measuring rod (221), and the through end measuring rod (211) and the end stopping measuring rod (221) are respectively inserted into the corresponding accommodating grooves (11).
7. An internal spline bar spacing measurement tool according to claim 6, wherein: the fixed end of the through end measuring rod (211) and the fixed end of the end stopping measuring rod (221) are both sleeved with a fixed sleeve (5) and are respectively inserted into the corresponding accommodating grooves (11) through the fixed sleeves (5).
8. An internal spline bar spacing measuring tool according to claim 5, wherein: the outer wall of the mounting seat (1) is wrapped with a cover plate (6), and the fastening assembly (4) connects the cover plate (6) with the mounting seat (1) and the positioning block (31) to form an integral structure.
9. An internal spline bar spacing measurement tool according to claim 8, wherein: the fastening assembly (4) comprises a screw (41), and the screw (41) penetrates through the cover plate (6) and the mounting seat (1) in a threaded mode and is connected with the positioning block (31) in a threaded mode.
10. An internal spline bar spacing measurement tool according to claim 4, wherein: one ends, facing towards the spline internal tooth grooves, of the through end measuring rod (211) and the end stopping measuring rod (221) are both conical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120401017.3U CN215261573U (en) | 2021-02-24 | 2021-02-24 | Internally splined rod spacing measuring tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120401017.3U CN215261573U (en) | 2021-02-24 | 2021-02-24 | Internally splined rod spacing measuring tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215261573U true CN215261573U (en) | 2021-12-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120401017.3U Active CN215261573U (en) | 2021-02-24 | 2021-02-24 | Internally splined rod spacing measuring tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215261573U (en) |
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2021
- 2021-02-24 CN CN202120401017.3U patent/CN215261573U/en active Active
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| Date | Code | Title | Description |
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| CP03 | Change of name, title or address |
Address after: 412000 No. 1018, Hangfei Avenue, Lusong District, Zhuzhou City, Hunan Province Patentee after: Hunan Xingtu Aerospace and Spacecraft Manufacturing Co.,Ltd. Address before: Dong Jiaduan 412002 in Hunan province Zhuzhou city Lusong District Patentee before: AVIC POWER ZHUZHOU AVIATION PARTS MANUFACTURING Co.,Ltd. |
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| CP03 | Change of name, title or address |