CN214276722U - Gear shaft length measurement tool - Google Patents

Gear shaft length measurement tool Download PDF

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Publication number
CN214276722U
CN214276722U CN202120696105.0U CN202120696105U CN214276722U CN 214276722 U CN214276722 U CN 214276722U CN 202120696105 U CN202120696105 U CN 202120696105U CN 214276722 U CN214276722 U CN 214276722U
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CN
China
Prior art keywords
block
sliding
gear shaft
measuring
base
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Active
Application number
CN202120696105.0U
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Chinese (zh)
Inventor
聂兆龙
赵越
邢介纲
郭明
杨坤
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Jinan Dexin Precision Machinery Co ltd
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Jinan Dexin Precision Machinery Co ltd
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Priority to CN202120696105.0U priority Critical patent/CN214276722U/en
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Abstract

The utility model relates to a gear shaft length measuring jig, which comprises a base, wherein the rear side of the base is connected with a vertical slider, and the vertical slider comprises a rear supporting block and a rear positioning plate connected with the rear side of the rear supporting block; the front and back directions of the top surface of the base are slidably connected with a measuring sliding block, and the measuring sliding block is connected with a dial indicator; a stop block sliding groove arranged on the base is arranged below the measuring sliding block, an H-shaped stop block is connected in the sliding groove in a sliding mode, and a stop block jackscrew is connected to the bottom of the H-shaped stop block in a threaded mode; and a movable supporting block with the bottom connected to the base in a sliding manner is arranged between the measuring sliding block and the vertical sliding block. This tool can realize the batch rapid survey of the whole length of gear shaft, simple structure, and convenient to use, detection efficiency is high.

Description

Gear shaft length measurement tool
Technical Field
The utility model relates to a gear shaft size detection device technical field specifically is a gear shaft length measurement tool.
Background
A gear shaft is a mechanical part that is connected at its end to a supporting and rotating member and rotates together with the supporting and rotating member to transmit motion, torque or bending moment. In the machining process of the gear shaft, the whole length of the gear shaft is required to be within an error range, the gear shaft with the unqualified whole length can cause problems in assembly of a user manufacturer, and great loss is brought to a company, so that the whole length measurement of the gear shaft is an important detection item.
For a gear shaft with a long integral length, the measurement can not be realized by using a common vernier caliper and a micrometer; the measuring error of the measuring tape is large, and the gear is arranged on the gear shaft, so that the measuring difficulty of the measuring tape is increased; the three-coordinate measuring instrument has high measurement precision, but is expensive and has high use cost.
SUMMERY OF THE UTILITY MODEL
For overcoming the above-mentioned problem that exists among the prior art, the utility model provides a gear shaft length measurement tool can realize the batch rapid survey of the whole length of gear shaft, simple structure, convenient to use, detection efficiency is high.
The utility model discloses a realize through following technical scheme:
a gear shaft length measuring jig comprises a base, wherein a vertical sliding block is connected to the rear side of the base and comprises a rear supporting block and a rear positioning plate connected to the rear side of the rear supporting block; the front and back directions of the top surface of the base are slidably connected with a measuring sliding block, and the measuring sliding block is connected with a dial indicator; a stop block sliding groove arranged on the base is arranged below the measuring sliding block, an H-shaped stop block is connected in the sliding groove in a sliding mode, and a stop block jackscrew is connected to the bottom of the H-shaped stop block in a threaded mode; and a movable supporting block with the bottom connected to the base in a sliding manner is arranged between the measuring sliding block and the vertical sliding block.
Preferably, V-shaped grooves are formed in the tops of the rear supporting block and the movable supporting block.
Preferably, the rear side of the base is connected with a vertical sliding seat, the vertical sliding block is vertically and slidably connected with the vertical sliding seat, and a vertical screw rod in threaded connection with the base is arranged below the vertical sliding block.
Preferably, the top surface of the base is connected with an auxiliary scale layer in the front-back direction.
Preferably, a bearing rotating hole is formed in the rear supporting block, and a rotating sleeve is connected to the bearing rotating hole.
Preferably, the measuring sliding block is provided with a height adjusting hole, the height adjusting hole is connected with an indicator connecting block in a sliding manner, and the dial indicator is connected with the indicator connecting block; the table connecting block top surface rotatable coupling has the screw rod of increaseing, screw thread connection in measuring the sliding block of increaseing.
The utility model has the advantages that:
1. the rear side of the base is connected with a vertical sliding block, and the vertical sliding block comprises a rear supporting block and a rear positioning plate connected to the rear side of the rear supporting block; the front and back directions of the top surface of the base are connected with a measuring sliding block in a sliding way, and the measuring sliding block is connected with a dial indicator; a stop block sliding groove arranged on the base is arranged below the measuring sliding block, an H-shaped stop block is connected in the sliding groove in a sliding mode, and a stop block jackscrew is connected to the bottom of the H-shaped stop block in a threaded mode; a movable supporting block with the bottom connected to the base in a sliding manner is arranged between the measuring sliding block and the vertical sliding block. This tool is when using, place the gear shaft of known length or gage block both ends respectively on back supporting shoe and activity supporting shoe earlier, make the gear shaft rear end top on the locating plate of back simultaneously, then remove the measurement sliding block and make the amesdial gauge head on the measurement sliding block top at the front end of gear shaft or gage block, H shape dog slides at last, make H shape dog hug closely and block and measure the sliding block trailing flank, screw up the dog jackscrew on the H shape dog, and return the amesdial to zero, the aforesaid is the preset process, follow-up gear shaft with the specification uses above-mentioned predetermined size as the benchmark, then the reading of amesdial is exactly the actual value in addition, with this batch quick measurement of the whole length of realizing follow-up gear shaft, moreover, the steam generator is simple in structure, high durability and convenient use, and high detection efficiency.
2. V-arrangement groove has all been seted up at back supporting shoe and activity supporting shoe top, and the V-arrangement groove can adapt to placing and the location of the gear shaft of more model.
3. The base rear side is connected with the perpendicular sliding seat, and perpendicular slider perpendicular sliding connection is in perpendicular sliding seat, and perpendicular slider below is equipped with the perpendicular screw rod of threaded connection in base. When the external diameters of the two ends of the gear shaft are different, the gear shaft is placed on the back supporting block and the movable supporting block which are at the same height and can incline, the gear shaft can be horizontal by adjusting the height of the vertical sliding block, and further the measurement precision is higher.
4. The base top surface is connected with the supplementary scale layer of fore-and-aft direction, adjusts the position of measuring the sliding block through supplementary scale layer roughly earlier when presetting for distance between amesdial gauge head and the back locating plate is greater than the length of gear shaft or gauge block, and the front end hits the amesdial gauge head when preventing putting into the gear shaft.
5. The rear supporting block is provided with a bearing rotating hole, and the bearing rotating hole is connected with a rotating sleeve. Insert the gear shaft in rotating the cover, then remove the measurement sliding block for the gear terminal surface on the amesdial gauge head contacted the gear shaft rotates rotating the cover and taking the gear shaft to rotate, can realize that the endface of gear is beated and is measured, rotates the gear shaft that the cover adapts to different external diameters through changing the difference.
6. A height adjusting hole is formed in the measuring sliding block, an indicator connecting block is connected in the height adjusting hole in a sliding mode, and a dial indicator is connected to the indicator connecting block; the table connecting block top surface rotatable coupling has the screw rod of increaseing, increasees screw rod threaded connection in measuring the sliding block. The gap between the bottom surface of the meter connecting block and the bottom of the height adjusting hole is adjusted by adjusting the upper position and the lower position of the meter connecting block, so that the gear shaft can penetrate through the gap and the dial indicator can measure the end face runout value of the gear at the position, far away from the end part, of the gear shaft.
Drawings
The present invention will be further described with reference to the accompanying drawings.
Fig. 1 is a schematic side view of the present invention.
Fig. 2 is a schematic top view of the present invention.
Fig. 3 is a schematic view of a three-dimensional structure of the present invention.
Fig. 4 is a schematic perspective view of the present invention.
Fig. 5 is a schematic three-dimensional structure diagram of the present invention.
Fig. 6 is a schematic view of a three-dimensional structure of the present invention.
In the figure, 1-base, 11-base leg, 12-auxiliary scale layer, 13-side sliding groove, 2-vertical sliding seat, 3-vertical sliding block, 31-rear supporting block, 32-rear positioning plate, 321-bearing rotating hole, 33-vertical screw, 4-movable supporting block, 5-measuring sliding block, 51-height adjusting hole, 52-gauge connecting block, 53-height adjusting screw, 6-H-shaped stop block, 61-stop block sliding groove, 62-stop block jackscrew, 7-dial gauge and 8-rotating sleeve.
Detailed Description
In order to make the technical solution of the present invention better understood by those skilled in the art, the technical solution of the present invention will be further described with reference to the accompanying drawings.
Referring to fig. 1 to 6, the utility model relates to a gear shaft length measurement tool, including base 1, base 1 below fixed connection has base leg 11, and the base 1 rear side is connected with perpendicular slider 3, and perpendicular slider 3 includes back supporting block 31 and connects in the back locating plate 32 of back supporting block 31 rear side, and back supporting block 31 and back locating plate 32 structure as an organic whole. Sliding connection has measuring sliding block 5 on the base 1 top surface fore-and-aft direction, and is concrete, and side spout 13 has been seted up to the base 1 top surface left and right sides, and measuring sliding block 5 bottom surface is T shape structure and bottom sliding connection in side spout 13, can slide under thrust fore-and-aft. The measuring slide block 5 is connected with a dial indicator 7, and a measuring head of the dial indicator 7 faces backwards, namely faces inwards and is used for being in contact with the front end of the gear shaft and measuring.
The lower part of the measuring sliding block 5 is provided with a stop block sliding groove 61 arranged on the base 1, an H-shaped stop block 6 is connected in the sliding groove 61 in a sliding mode, the H-shaped stop block 6 is used for blocking the rear side of the measuring sliding block 5, and single-side positioning of the measuring sliding block 5 is achieved. The H-shaped block 6 can slide back and forth along the block sliding groove 61, and a block top screw 62 is connected to the bottom of the H-shaped block 6 in a threaded mode and used for fixing the sliding position of the H-shaped block 6.
Measure and be equipped with bottom sliding connection in the movable support block 4 of base 1 between sliding block 5 and the perpendicular slider 3, movable support block 4 bottom sliding connection is in side spout 13, and the V-arrangement groove has all been seted up at movable support block 4 and back supporting block 31 top for place the gear shaft, and the V-arrangement groove can adapt to placing and the location of the gear shaft of more models. When the jig is used, a gear shaft or a gauge block with a known length is taken out firstly as a reference, the gauge block is adopted in the embodiment, the length of the gauge block is the basic size of the length of the gear shaft of the model, two ends of the gauge block are respectively placed on the V-shaped surfaces of the rear supporting block 31 and the movable supporting block 4, and meanwhile, the rear end surface of the gauge block is abutted against the rear positioning plate 32, so that the rear end surface of the gauge block is positioned; then moving the measuring slide block 5 to enable a measuring head of a dial indicator 7 on the measuring slide block 5 to be propped against the front end face of the measuring block, so that the front end face and the rear end face of the measuring block are completely positioned; finally, the H-shaped stop block 6 is slid to enable the H-shaped stop block 6 to be tightly attached to and block the rear side face of the measuring sliding block 5, a stop block top screw 61 on the H-shaped stop block 6 is screwed, the rear end of the measuring sliding block 5 is positioned, after the dial indicator 7 is reset to zero, the distance between a measuring head of the dial indicator 7 and the rear positioning plate 32 is the length of the measuring block, namely the reference length, in the presetting process of the reference length, the subsequent gear shaft with the same specification takes the preset size as the reference, during measurement, as shown in figures 1 and 3, the measuring sliding block 5 is moved leftwards to avoid the situation that the gear shaft touches the measuring head of the dial indicator 7, then the gear shaft is respectively placed on the V-shaped faces of the rear supporting block 31 and the movable supporting block 4, meanwhile, the rear end face of the gear shaft is enabled to be abutted to the rear positioning plate 32, and then, at this moment, the dial indicator has a reading, the reference length during presetting and the reading of the dial indicator are actual values, and the batch rapid measurement of the overall length of the follow-up gear shaft is realized.
The rear side of the base 1 is connected with a vertical sliding seat 2, a vertical sliding block 3 is vertically and slidably connected with the vertical sliding seat 2, a vertical screw 33 which is in threaded connection with the base 1 is arranged below the vertical sliding block 3, and the vertical sliding block 3 is lifted or lowered by rotating the vertical screw 33. When gear shaft both ends external diameter is different, the gear shaft can incline when placing on the V-arrangement groove of back supporting shoe 31 and the movable supporting shoe 3 of same height, leads to the gear shaft rear end face can't laminate with back locating plate 32, for solving this problem, with back supporting shoe 31 also be the form that vertical sliding block 3 set to can adjust from top to bottom, can make the gear shaft level through the height of adjusting vertical sliding block 3, and then measurement accuracy is higher.
The top surface of the base 1 is connected with the auxiliary scale layer 12 in the front-back direction, and the position of the sliding block 5 is roughly adjusted through the auxiliary scale layer 12 when the sliding block is preset, so that the distance between the measuring head of the dial indicator 7 and the rear positioning plate 32 is greater than the length of the measuring block, and the measuring head of the dial indicator 5 is collided at the front end when the measuring block is put in.
The bearing rotating hole 321 has been seted up on the back supporting block 31, also can replace with the bearing frame, is connected with on the bearing rotating hole 321 and rotates cover 8, as shown in fig. 6, rotates 8 rear ends of cover and inserts in the bearing rotating hole 321, can be free rotation under external force, rotates 8 front ends of cover and has seted up the gear shaft hole, and the gear shaft rear end of being convenient for inserts wherein, rotates cover 8 and is provided with many sets to the gear shaft of adaptation different external diameters. Insert the gear shaft and rotate in the cover 8, then remove measurement sliding block 5 for 7 gauge heads of amesdial contact gear terminal surfaces on the gear shaft rotate cover 8 area gear shaft rotation of rotating, can realize that the endface of gear is beated and is measured.
A height adjusting hole 51 is formed in the measuring sliding block 5, an indicator connecting block 52 is connected in the height adjusting hole 51 in a sliding mode, and the dial indicator 7 is fixedly connected to the indicator connecting block 52; the top surface of the meter connecting block 52 is rotatably connected with a height-adjusting screw 53, the height-adjusting screw 53 is in threaded connection with the measuring sliding block 5, the gap between the bottom surface of the meter connecting block 52 and the bottom of the height-adjusting hole 51 is adjusted by rotating the height-adjusting screw 53 to adjust the upper position and the lower position of the meter connecting block 52, so that the gear shaft can penetrate through the gap and the dial indicator 7 can contact and measure the end face runout value of the gear at the position of the gear, which is far away from the end part of the gear, of the gear shaft.
The working process is as follows: two ends of a gauge block with the length being the gear shaft reference length are respectively placed on the V-shaped surfaces of the rear supporting block 31 and the movable supporting block 4, and meanwhile, the rear end face of the gauge block is abutted against the rear positioning plate 32, so that the rear end face of the gauge block is positioned; then moving the measuring slide block 5 to enable a measuring head of a dial indicator 7 on the measuring slide block 5 to be propped against the front end face of the measuring block, so that the front end face and the rear end face of the measuring block are completely positioned; sliding the H-shaped stop block 6 to enable the H-shaped stop block 6 to be tightly attached to and block the inner side face of the measuring sliding block 5, and screwing a stop block jackscrew 61 on the H-shaped stop block 6, so that the rear end, namely the inner side end, of the measuring sliding block 5 is positioned, after the dial indicator 7 is reset to zero, the distance between a measuring head of the dial indicator 7 and the rear positioning plate 32 is the length of the measuring block, namely the reference length of the gear shaft, and the preset process of the reference length is adopted, and one-time preset value can be convenient for the subsequent batch measurement of the gear shafts with the same specification; when the subsequent gear shaft with the same specification is measured, as shown in fig. 1 and 3, the measuring sliding block 5 is moved leftwards to yield to prevent the gear shaft from touching a measuring head of the dial indicator 7, then the gear shaft is respectively placed on the V-shaped surfaces of the rear supporting block 31 and the movable supporting block 4, meanwhile, the rear end surface of the gear shaft is enabled to be propped against the rear positioning plate 32, then the measuring sliding block 5 is moved rightwards (inwards) until the measuring sliding block 5 is blocked by the H-shaped stop block, at this time, the dial indicator has a reading, and the reference length (gauge block length) in the preset process and the reading of the dial indicator are the actual value; when the end face runout of the gear on the gear shaft needs to be measured, the rear end of the appropriate rotating sleeve 8 is inserted into the bearing rotating hole 321, the gear shaft is inserted into the rotating sleeve 8, then the sliding block 5 is moved to measure, so that the measuring head of the dial indicator 7 is contacted with the end face of the gear on the gear shaft, the rotating sleeve 8 is rotated to drive the gear shaft to rotate, and the end face runout measurement of the gear can be realized.
In the description of the present invention, the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "vertical", "horizontal", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the purpose of describing the present invention, but do not require the present invention to be constructed or operated in a specific orientation, and therefore, cannot be construed as limiting the present invention. The terms "connected" and "connected" in the present invention are to be understood in a broad sense, and may be connected or detachably connected, for example; the terms may be directly connected or indirectly connected through intermediate components, and specific meanings of the terms may be understood as specific conditions by those skilled in the art.
The foregoing is a preferred embodiment of the present invention, and the description of the specific embodiments is only for better understanding of the idea of the present invention. To those skilled in the art, many modifications and equivalents may be made in accordance with the principles of the present invention and are deemed to fall within the scope of the invention.

Claims (6)

1. The utility model provides a gear shaft length measurement tool, includes base (1), its characterized in that: the rear side of the base (1) is connected with a vertical sliding block (3), and the vertical sliding block (3) comprises a rear supporting block (31) and a rear positioning plate (32) connected to the rear side of the rear supporting block (31); the top surface of the base (1) is connected with a measuring sliding block (5) in a sliding mode in the front-back direction, and the measuring sliding block (5) is connected with a dial indicator (7); a stop block sliding groove (61) formed in the base (1) is arranged below the measuring sliding block (5), an H-shaped stop block (6) is connected in the sliding groove (61) in a sliding mode, and a stop block jackscrew (62) is connected to the bottom of the H-shaped stop block (6) in a threaded mode; and a movable supporting block (4) with the bottom connected to the base (1) in a sliding manner is arranged between the measuring sliding block (5) and the vertical sliding block (3).
2. The gear shaft length measuring jig of claim 1, characterized in that: v-shaped grooves are formed in the tops of the rear supporting block (31) and the movable supporting block (4).
3. The gear shaft length measuring jig of claim 2, characterized in that: the base (1) rear side is connected with perpendicular sliding seat (2), perpendicular slider (3) perpendicular sliding connection is in perpendicular sliding seat (2), perpendicular slider (3) below is equipped with threaded connection in perpendicular screw rod (33) of base (1).
4. The gear shaft length measuring jig of claim 3, characterized in that: the top surface of the base (1) is connected with an auxiliary scale layer (12) in the front-back direction.
5. The gear shaft length measuring jig according to claim 1 or 4, characterized in that: and a bearing rotating hole (321) is formed in the rear supporting block (31), and a rotating sleeve (8) is connected to the bearing rotating hole (321).
6. The gear shaft length measuring jig of claim 5, characterized in that: a height adjusting hole (51) is formed in the measuring sliding block (5), a meter connecting block (52) is connected in the height adjusting hole (51) in a sliding mode, and the dial indicator (7) is connected to the meter connecting block (52); the top surface of the meter connecting block (52) is rotatably connected with a height-adjusting screw rod (53), and the height-adjusting screw rod (53) is in threaded connection with the measuring sliding block (5).
CN202120696105.0U 2021-04-06 2021-04-06 Gear shaft length measurement tool Active CN214276722U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202120696105.0U CN214276722U (en) 2021-04-06 2021-04-06 Gear shaft length measurement tool

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202120696105.0U CN214276722U (en) 2021-04-06 2021-04-06 Gear shaft length measurement tool

Publications (1)

Publication Number Publication Date
CN214276722U true CN214276722U (en) 2021-09-24

Family

ID=77799235

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202120696105.0U Active CN214276722U (en) 2021-04-06 2021-04-06 Gear shaft length measurement tool

Country Status (1)

Country Link
CN (1) CN214276722U (en)

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