CN209927054U - Groove distance gauge special for belt pulley - Google Patents
Groove distance gauge special for belt pulley Download PDFInfo
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- CN209927054U CN209927054U CN201920970182.3U CN201920970182U CN209927054U CN 209927054 U CN209927054 U CN 209927054U CN 201920970182 U CN201920970182 U CN 201920970182U CN 209927054 U CN209927054 U CN 209927054U
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Abstract
The utility model relates to a special groove spacing of belt pulley examines utensil belongs to the technical field of examining utensil, including the mounting bracket base that is used for installing the guide pillar, suit the mounting bracket on the guide pillar, the fixed surface of mounting bracket one side sets up the measuring rack, the measuring rack includes the pergola that is used for installing the percentage table and the crossbearer that is used for installing the measuring lever, set up the mounting groove in the crossbearer and articulate in the mounting groove and set up the measuring lever, the measuring lever outer end sets up measuring ball inner end upper surface and contacts with the gauge head of percentage table; the upper end in the vertical frame is inserted with a dial indicator with a measuring head contacting with the upper surface of the measuring lever, and the lower end is fixedly provided with a spring adjusting part for adjusting the measuring lever and the dial indicator. The utility model discloses have and to detect the belt pulley groove fast apart from the size, solve the groove apart from the inefficiency that size detected, the great problem of error.
Description
Technical Field
The utility model relates to an utensil is examined to special groove distance of belt pulley belongs to and examines a technical field.
Background
A pulley is a very common and frequently used component, and is used in many cases for transmitting power from a long distance, such as: power output of diesel engine, agricultural vehicle, automobile, etc. The most central part of the belt pulley is the groove-shaped structure and the part which is the most difficult to machine, and the quality of the machining quality of the groove pitch size has great influence on the transmission efficiency of the belt pulley and the vibration in the transmission process.
The traditional method for measuring the groove distance is that a special measuring rod is firstly placed in a belt pulley groove, then the upper end face of the special measuring rod is measured by a digital display height vernier caliper, and finally the radius of the special measuring rod is subtracted from the measured value to indirectly calculate the groove distance size of the belt pulley. The existing measuring method has low detection efficiency and larger detection error.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a special groove of belt pulley is apart from examining utensil has and can the short-term test belt pulley groove apart from the size, solves the groove apart from the inefficiency that size detection detected, the great problem of error.
In order to realize the purpose, the utility model discloses a technical scheme is:
a special groove distance gauge for a belt pulley comprises a mounting frame base used for mounting a guide pillar, wherein the mounting frame is sleeved on the guide pillar, a measuring frame is fixedly arranged on the outer surface of one side of the mounting frame, the measuring frame comprises a vertical frame used for mounting a dial indicator and a cross frame used for mounting a measuring lever, a mounting groove is formed in the cross frame, the measuring lever is hinged in the mounting groove, and the outer end of the measuring lever is provided with a measuring ball, the upper surface of the inner end of the measuring ball is contacted with a measuring head of the dial indicator; the upper end in the vertical frame is inserted with a dial indicator with a measuring head contacting with the upper surface of the measuring lever, and the lower end is fixedly provided with a spring adjusting part for adjusting the measuring lever and the dial indicator.
The utility model discloses technical scheme's further improvement lies in: the spring adjusting part comprises a plug and a spring fixed on the upper end face of the plug, and an internal thread used for installing the plug is arranged on the inner wall of the lower portion of the vertical frame.
The utility model discloses technical scheme's further improvement lies in: and a gasket sleeved on the dial indicator is arranged in a gap between the vertical frame and the dial indicator.
The utility model discloses technical scheme's further improvement lies in: the mounting frame base is provided with a hole for mounting a guide pillar, and the bottom end of the guide pillar is integrally formed with a stepped circular truncated cone.
The utility model discloses technical scheme's further improvement lies in: the belt pulley, the cushion block and the mounting rack base are placed on the upper surface of the base, the base is rectangular and blocky, an arc-shaped groove convenient to carry is formed in the middle position of the two end faces of the base, a groove is formed in the lower surface of the base, a long beam is integrally formed in the middle position of the groove along the length direction of the base, and rib plates are integrally formed on the two sides of the long beam along the width direction of the base.
The utility model discloses technical scheme's further improvement lies in: the mounting rack is movably sleeved on the guide post, and a mounting rack fixing screw used for fixing the mounting rack and the guide post is arranged on the outer wall of the mounting rack.
Since the technical scheme is used, the utility model discloses the technological effect who gains has: the checking fixture adopts the matching of the measuring ball and the dial indicator, and measures through the transmission of the measuring lever, the action of the measuring lever is displayed by the dial indicator, the rapid measurement of the groove distance of the belt pulley can be realized, compared with the traditional measuring mode of using a special measuring bar and a digital display height vernier caliper, the efficiency of detecting the size of the groove distance of the belt pulley is obviously improved, the problem of low detection efficiency of the size of the groove distance is solved, and the accuracy of the detection is obviously superior to that of the traditional method; the problem of large measurement error is solved, and the accuracy rate of one-time slot distance detection reaches more than 99%. Meanwhile, by replacing different standard sample pieces and measuring balls, one set of gauge can detect the sizes of the groove distances of various belt pulleys.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a bottom view of the overall structure of the present invention;
FIG. 3 is a cross-sectional view of portion A-A of FIG. 2;
fig. 4 is a schematic structural diagram of the mounting frame and the measuring frame of the present invention;
FIG. 5 is an enlarged partial schematic view of portion A of FIG. 3;
fig. 6 is a schematic view of the washer structure of the present invention;
FIG. 7 is a schematic view of the structural connection between the measuring lever and the measuring ball of the present invention;
FIG. 8 is a diagram showing the position relationship of the measuring ball in the pulley groove of the present invention;
FIG. 9 is an enlarged partial schematic view of portion B of FIG. 3;
the device comprises a measuring ball 1, a measuring ball 2, a measuring lever 3, a positioning pin 4, an installation rack base 5, a plug 6, a spring 7-1, an installation rack fixing screw 7-2, a dial indicator fixing screw 8, an installation rack 9, a measuring rack 9-1, a vertical rack 9-2, a transverse rack 10, a guide pillar 11, a belt pulley 12, a base 13, a cushion block 14 and a gasket.
Detailed Description
The present invention will be described in further detail with reference to the following drawings and specific embodiments:
the utility model discloses a special groove of belt pulley is apart from examining utensil combines fig. 1 and fig. 2 to show, including being used for placing belt pulley 11 and groove apart from examining base 12 of utensil, base 12's material is the rectangular plate form that cast iron HT20-40 made, and base 12 upper and lower surface need guarantee through abrasive machining that depth of parallelism and plane all are less than or equal to 0.01 mm. Open along the width direction of base 12 in the both ends intermediate position department of base 12 has the arc wall, and the inside of arc wall is the fillet transition, can make things convenient for the staff to carry. The lower surface of base 12 has dug the recess of rectangle shape, and intermediate position department has long roof beam along the length direction integrated into one piece of base 12 in the recess, is provided with the gusset with base 12 and long roof beam integrated into one piece in the width direction of base 12 in the both sides of long roof beam, through being provided with long roof beam and gusset, can save material and reinforce stability.
Referring to fig. 3, a stepped circular truncated cone is integrally formed at the bottom end of the guide post 10, the length of the guide post 10 exposed out of the stepped circular truncated cone is smaller than the height of the mounting frame base 4, and the guide post 10 is made of T10A with hardness of HRC 45-50 after quenching treatment. The guide post 10 is sleeved with a mounting rack 8, the mounting rack 8 can move up and down along the guide post 10 to adjust the height position, meanwhile, a mounting rack fixing screw 7-1 is arranged on the outer side surface of the mounting rack 8 and perpendicular to the mounting rack 8, and the mounting rack fixing screw 7-1 is used for fastening the mounting rack 8 at any position of the guide post 10. Mounting bracket 8 is for adopting 45Cr to reach HRC30 ~ 40 ring through the quenching hardness, and integrated into one piece sets up measuring rack 9 on the side surface of mounting bracket 8 towards belt pulley 11, and the material that measuring rack 9 chose for use is the same with mounting bracket 8.
Referring to fig. 3 and 4, the measuring rack 9 includes a rectangular block-shaped vertical rack 9-1, the vertical rack 9-1 is vertically disposed, the surface of the upper end portion facing the mounting rack 8 is integrally connected with the mounting rack 8, a through hole is formed in the upper end surface of the vertical rack 9-1 along the length direction of the vertical rack 9-1, a dial indicator is installed in the through hole, the dial indicator rod is angularly positioned through the small clearance fit of H7/g6, and referring to fig. 6, a gasket 14 sleeved on the dial indicator rod is arranged in a clearance between the dial indicator and the through hole, and the gasket 14 is in an unclosed annular shape made of soft materials such as rubber and used for protecting the dial indicator rod. The dial indicator fixing screw 7-2 is arranged on the outer side of the vertical frame 9-1 close to the top end and is vertical to the side surface of the vertical frame 9-1, and the end part of the dial indicator fixing screw 7-2 abuts against the gasket 14 to fix the dial indicator and the vertical frame 9-1.
Referring to fig. 3 and 4, the measuring rack 9 further includes a cross frame 9-2 integrally formed with the vertical frame 9-1, an outer end of the cross frame 9-2 is provided with a mounting groove for mounting the measuring lever 2, a hole is formed in the vertical block 9-1 corresponding to the mounting groove along the direction perpendicular to the vertical block 9-1, and two side walls of the mounting groove are provided with through holes. The inner end of the measuring lever 2 is inserted into the hole, and then the measuring lever 2 is positioned angularly by inserting the positioning pin 3 into the through hole on the mounting groove of the cross frame 9-2.
Referring to fig. 3 and 7, the measuring lever 2 is a cylindrical structure and has a diameter smaller than the diameter of the hole, the end of the measuring lever 2 close to the guide post 10 is vertically cut along the length direction of the measuring lever 2 at two sides of the cross frame 9-2, the length of the vertical cut is smaller than the length of the measuring lever 2, an obtuse-angle shape is transversely cut along the length direction of the measuring lever 2 at the central position of the end of the measuring lever 2 close to the guide post 10, and the length of the transverse cut is smaller than the length of the vertical cut. The end part of the measuring lever 2 opposite to the belt pulley 11 is integrally formed with a clamping block for welding the side measuring ball 1, the clamping block is formed by two truncated semicylinders which are vertically symmetrical relative to the center of the measuring lever 2, two oblique sections are arranged oppositely, and the measuring ball 1 is welded in the middle of the clamping block.
As can be understood from the working property of the pulley 11, wherein the diameter is the working surface when in transmission with a belt, the contact surface of the measuring ball 1 and the groove of the pulley 11 must also be in the section of the middle diameter, and according to the above conditions, the position relation of the measuring ball 1 in the groove of the pulley 11 can be drawn, and as shown in FIG. 8, the calculation formula of the diameter size of the measuring ball 1 can be obtained from the figure: d = a/COS17 ° × 2 (dimension a = half of the width dimension of the inner diameter of the pulley 5 groove).
Referring to fig. 4 and 9, a plug 5 is fixedly installed in a through hole of the vertical frame 9-1 through internal threads, a spring 6 vertically fixed on the upper end face of the plug 5 is arranged between the plug 5 and the measuring lever 2, the measuring lever 2 is adjusted to be horizontal through the spring 6, and meanwhile a measuring head of the dial indicator abuts against the upper surface of the measuring lever 2.
The specific installation process and the use process of the embodiment are as follows: during installation, firstly, the base 12 is placed on a platform, then the guide post 10 is pressed into the installation rack base 4 which is placed on the base 12 in the same direction as the base 12 by using a copper bar, and the verticality of the guide post 10 after installation is ensured to be less than or equal to 0.01 mm; then the dial indicator sleeved with the gasket 14 is arranged in a through hole of a vertical frame 9-1 of the measuring frame 9, the measuring lever 2 welded with the measuring ball 1 is angularly positioned in a mounting groove between transverse frames 9-2 of the measuring frame 9 through a positioning pin 3, a fixed spring 6 and a plug 5 are arranged at the bottom of the through hole of the vertical frame 9-1, and the measuring lever 2 is basically positioned at a horizontal position by adjusting the position of the plug 5; and finally, sleeving the assembled measuring frame 9 and the assembled mounting frame 8 on the guide post 10 through the mounting frame 8, and adjusting the angle of the measuring frame 9 to ensure that the mounting frame 8 and the guide post 10 are fixed by screwing the screw 7 on the vertical guide post 10 after the measuring frame 9 is placed along the length direction of the mounting frame base 4.
When the dial indicator is used, firstly, a standard sample piece and a measuring interval of the belt pulley 11 are simultaneously placed on the base 12, the position of the mounting frame 8 is adjusted, the measuring ball 1 is completely contacted with two sides of the groove of the standard sample piece of the belt pulley 11, the mounting frame 8 is locked through the screw 7, the pressure gauge amount of the dial indicator is adjusted through the adjusting plug 5, the pressure gauge amount is generally 0.2 mm-0.4 mm, and the pressure gauge amount is adjusted to enable the pointer of the dial indicator to be 0; then, measuring a first notch of the belt pulley 11 by using the adjusted dial indicator, wherein the position size of the notch is qualified as long as the left-right swinging amount of the pointer of the dial indicator is not more than 0.05mm in the measuring structure; since the position difference between each grooved slot of the pulley 11 is 22mm, the 2 nd, 3 rd and 4 th grooves can be measured by adding a cushion block 13 of 22 +/-0.005 mm below the pulley 11, and the measuring method is the same as that for measuring the first grooved slot.
Claims (6)
1. The utility model provides a utensil is examined to special groove distance of belt pulley which characterized in that: the special groove distance gauge for the belt pulley comprises an installation frame base (4) for installing a guide pillar (10), the installation frame (8) is sleeved on the guide pillar (10), a measuring frame (9) is fixedly arranged on the outer surface of one side of the installation frame (8), the measuring frame (9) comprises a vertical frame (9-1) for installing a dial indicator and a transverse frame (9-2) for installing a measuring lever (2), an installation groove is formed in the transverse frame (9-2), the measuring lever (2) is hinged in the installation groove, and the outer end of the measuring lever (2) is provided with a measuring ball, the upper surface of the inner end of the measuring ball is contacted with a measuring head of the dial indicator; the upper end in the vertical frame (9-1) is inserted with a dial indicator with a measuring head contacting with the upper surface of the measuring lever (2), and the lower end is fixedly provided with a spring adjusting part for adjusting the measuring lever (2) and the dial indicator.
2. The special groove distance detection tool for the belt pulley according to claim 1, wherein: the spring adjusting part comprises a plug (5) and a spring (6) fixed on the upper end face of the plug (5), and the inner wall of the lower part of the vertical frame (9-1) is provided with an internal thread for installing the plug (5).
3. The special groove distance detection tool for the belt pulley according to claim 1, wherein: and a gasket (14) sleeved on the dial indicator is arranged in a gap between the vertical frame (9-1) and the dial indicator.
4. The special groove distance detection tool for the belt pulley according to claim 1, wherein: the mounting rack base (4) is provided with a hole for mounting the guide pillar (10), and the bottom end of the guide pillar (10) is integrally formed with a step round table.
5. The special groove distance detection tool for the belt pulley according to claim 1, wherein: belt pulley (11), cushion and mounting bracket base (4) are placed at base (12) upper surface, base (12) are rectangular block-shaped, the arc wall that has convenient transport is located to open in the both ends face intermediate position of base (12), base (12) lower surface is dug flutedly, the recess intermediate position has long roof beam along base (12) length direction integrated into one piece, the width direction integrated into one piece of base (12) is followed to the both sides of long roof beam has the gusset.
6. The special groove distance detection tool for the belt pulley according to claim 1, wherein: the mounting rack (8) is movably sleeved on the guide post (10), and mounting rack fixing screws (7-1) used for fixing the mounting rack (8) and the guide post (10) are arranged on the outer wall of the mounting rack (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920970182.3U CN209927054U (en) | 2019-06-26 | 2019-06-26 | Groove distance gauge special for belt pulley |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920970182.3U CN209927054U (en) | 2019-06-26 | 2019-06-26 | Groove distance gauge special for belt pulley |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209927054U true CN209927054U (en) | 2020-01-10 |
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ID=69093304
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920970182.3U Active CN209927054U (en) | 2019-06-26 | 2019-06-26 | Groove distance gauge special for belt pulley |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209927054U (en) |
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2019
- 2019-06-26 CN CN201920970182.3U patent/CN209927054U/en active Active
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