CN212082320U - Quick chain range finder - Google Patents
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- CN212082320U CN212082320U CN202021173222.0U CN202021173222U CN212082320U CN 212082320 U CN212082320 U CN 212082320U CN 202021173222 U CN202021173222 U CN 202021173222U CN 212082320 U CN212082320 U CN 212082320U
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- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The utility model relates to the technical field of chains, in particular to a quick chain distance measuring instrument, which comprises a frame, the frame comprises a frame body and a measuring table horizontally arranged at the top of the frame body, the bottom of the measuring table is provided with a driving mechanism, the measuring table is provided with a measuring mechanism, the measuring mechanism comprises a measuring gear horizontally arranged on the measuring table, a rotating shaft extending towards the bottom is arranged at the central shaft of the measuring gear, the bottom of the rotating shaft is in driving connection with a driving motor, the measuring mechanism also comprises a feeding assembly, the feeding assembly comprises two feeding rods arranged in parallel, a feeding groove is arranged between the two feeding rods, one side of the feeding groove close to the measuring gear is provided with a meshing hole for the measuring gear to run through, and the measuring mechanism also comprises a counting assembly; the utility model discloses the technological effect of rapid survey chain length has.
Description
Technical Field
The utility model belongs to the technical field of the technique of chain and specifically relates to a quick chain distancer is related to.
Background
The chain is a key part in chain wheel transmission, the length of the chain is a key parameter, and the great length error of the chain can influence the precision and the efficiency of the length and the service life of the chain wheel and the chain.
The current chinese patent with publication number CN201434666Y discloses a chain tensioning mechanism and a chain length measuring mechanism, wherein the chain tensioning mechanism comprises a servo motor, the servo motor drives a lead screw to rotate, and then drives a movable clamp seat to perform linear motion on a linear guide rail, the chain length measuring mechanism comprises an induction head and an encoder, and the motor drives the lead screw to rotate and drives the induction head to perform linear motion on the guide rail, and measures the length of the chain.
The technical scheme has the following defects: the chain that will need to detect is placed on the measuring table, utilizes straining device taut to the both ends of chain, then carries out length measurement to taut chain again, and the precision of measuring the chain is higher like this, but the chain when carrying out large-scale production to and before the chain does not make final product, require not very accurate to the length of chain, therefore foretell chain measuring speed can be very slow, influences the measuring speed of chain production in batches.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims at providing a quick chain distancer, its advantage has the technological effect of rapid survey chain length.
The above object of the present invention is achieved by the following technical solutions: a quick chain distance measuring instrument comprises a rack, wherein the rack comprises a rack body and a measuring table horizontally arranged at the top of the rack body;
the bottom of the measuring table is provided with a driving mechanism, the driving mechanism comprises a driving motor arranged in the measuring table, and a driving shaft is arranged on the driving motor;
the measuring table is provided with a measuring mechanism, the measuring mechanism comprises a measuring gear horizontally arranged on the measuring table, a rotating shaft extending towards the bottom is arranged at the central shaft of the measuring gear, and the bottom of the rotating shaft is in driving connection with a driving motor;
the measuring mechanism also comprises a feeding assembly, the feeding assembly comprises a lower two feeding rods which are arranged in parallel, a feeding groove is arranged between the two feeding rods, one side of the feeding groove, which is close to the measuring gear, is provided with a meshing hole for the measuring gear to penetrate through,
the measuring mechanism further comprises a counting assembly, the counting assembly comprises a driven rotating piece arranged at the top of the measuring gear, and the counting assembly further comprises a counting block which is arranged on one side of the measuring gear and is far away from the feeding assembly.
By adopting the technical scheme, the chain is transmitted by utilizing the meshed connection of the measuring gear and the chain, a point is found at the top of the measuring chain, and after the chain rotates for one circle, the length of the transmitting chain is the perimeter of the outer diameter of the gear, so that the counting block is arranged at the top of the measuring chain, and the number of rotating circles of the measuring rack is counted by utilizing the counting block;
still be equipped with the feeding subassembly that carries out limiting displacement to the chain conveying on the measuring table, the feeding subassembly includes two feeding rods that are parallel to each other, is formed with the feed chute between two feeding rods, therefore the chain can convey in the feed chute, and the subassembly of counting simultaneously counts measuring gear and detects to show measuring result.
The present invention may be further configured in a preferred embodiment as: the counting block comprises a counter and a counting display connected with the counter.
Through adopting above-mentioned technical scheme, the count piece includes counter and count display, and count display and counter communication connection count the piece and rotate once from the carousel, reach the effect of count.
The present invention may be further configured in a preferred embodiment as: the driven rotating piece comprises a driven shaft arranged on a rotating shaft of the measuring gear, and a driven rotating disc is sleeved on the driven shaft.
Through adopting above-mentioned technical scheme, from changing the piece by the slave shaft with from carousel two parts and constitute, the slave shaft sets up to the nut, and the slave shaft setting is in the center pin department from the carousel to set up to the form of nut, the convenient change from the carousel and from the measuring gear of carousel bottom, change different measuring gear and adapt to the chain of different specifications.
The present invention may be further configured in a preferred embodiment as: the feeding rod is provided with a guide disc, the guide disc is arranged on one side of the feeding rod in the length direction, and a shaft rod is arranged at the central shaft of the guide disc.
Through adopting above-mentioned technical scheme, the positioning disk is used for leading the processing to the transmission of chain, prevents that the chain from blocking in the data send process.
The present invention may be further configured in a preferred embodiment as: the feeding top is provided with a fastening nut, the measuring table is provided with an adjusting groove perpendicular to the feeding rod, the adjusting groove is arranged on one side far away from the measuring gear, and a plurality of fastening holes for the fastening nut to penetrate through are formed in the adjusting groove.
Through adopting above-mentioned technical scheme, the top of feed rod is equipped with fastening nut, and fastening nut is used for changing the distance between the feed rod, adapts to different chains and measures, is equipped with the adjustment tank that supplies the feed rod to slide the setting simultaneously on the measurement bench, is equipped with the fastening hole simultaneously in the adjustment tank, screws the fastening nut at feed rod top in the fastening hole, realizes the regulation of feed rod to keep two feed rods parallel to each other.
The present invention may be further configured in a preferred embodiment as: the periphery of the measuring gear is upwards provided with a protection piece which is provided with a round shape.
Through adopting above-mentioned technical scheme, be equipped with the protection piece on measuring gear's circumference side, the protection piece is used for protecting measuring gear, prevents that the gear from blocking.
The present invention may be further configured in a preferred embodiment as: the measuring table is further provided with a buffer piece, the buffer piece comprises a first gear and a second gear, a gear chain is connected to the first gear and the second gear in a meshed mode, and the gear chain is connected with the measuring gear in a meshed mode.
Through adopting above-mentioned technical scheme, the measuring gear that gear chain can follow is from changeing, and its effect is in order to prevent measuring gear after the stop drive, and then causes measuring gear to follow changeing, improves measurement accuracy.
The present invention may be further configured in a preferred embodiment as: and the top of the slave turntable is provided with an annular graduated scale.
By adopting the technical scheme, the chain can not complete the actual measurement of the data of the last sections when being transmitted to the last stage by the measuring gear, so that the convenience and the quickness of the chain measurement can be improved by means of the annular graduated scale.
The present invention may be further configured in a preferred embodiment as: and a linear graduated scale is arranged on the feeding rod.
Through adopting above-mentioned technical scheme, the straight line scale is further convenient to the measurement of surplus chain length.
To sum up, the utility model discloses a following at least one useful technological effect:
1. the rotation of the measuring gear is transmitted to the chain, and the measuring gear rotates once and is recorded once by the counting assembly, so that the technical effect of rapidly recording the length of the chain is achieved;
2. the scale that is equipped with on the feed rod carries out quick length detection to chain afterbody clout.
Drawings
Fig. 1 is a schematic view of the overall structure shown in the embodiment of the present invention;
fig. 2 is a partial sectional view of the structure of the embodiment of the present invention;
fig. 3 is a schematic cross-sectional structure diagram according to an embodiment of the present invention.
In the figure, 1, a frame; 2. a frame body; 3. a measuring table; 4. a drive mechanism; 5. a drive motor; 6. a drive shaft; 7. a measuring mechanism; 8. measuring the gear; 9. a rotating shaft; 10. a feed assembly; 11. a feed rod; 12. a feed chute; 13. an engagement hole; 14. a counting assembly; 15. a driven rotation piece; 16. a counting block; 17. a counter; 18. a counting display; 19. a driven shaft; 20. a slave turntable; 24. Fastening a nut; 25. an adjustment groove; 26. a fastening hole; 27. a guard; 28. connecting blocks; 29. a buffer member; 30. a first gear; 32. a second gear; 33. a gear chain; 34. an annular scale; 35. a linear scale; 36. a guide plate; 37. a shaft lever; 38. the nut is turned.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Example (b):
referring to fig. 1, for the utility model discloses a quick chain range finder, including frame 1, frame 1 includes support body 2 and sets up measuring station 3 at 2 tops of support body, is equipped with measuring mechanism 7 on measuring station 3, and measuring mechanism 7 includes feeding component 10, and measuring mechanism 7 still includes counting assembly 14, utilizes counting assembly 14 to count measuring mechanism 7 detected data, and counting assembly 14 includes counter and count display 18, will increase a digital display after counter 17 receives the signal on count display 18. The counter 17 and the counter display 18 are preferably an electromagnetic mechanical industrial counter of the type CSK 6-YKW.
Referring to fig. 2, a driving mechanism 4 is arranged in the measuring table 3, the driving mechanism 4 comprises a driving motor 5, a driving shaft 6 is arranged on the driving motor 5, a rotating shaft 9 is further arranged in the measuring table 3, and a gear arranged at the bottom of the rotating shaft 9 is in meshed connection with a gear on the driving shaft 6. After the driving motor 5 is started, the driving shaft 6 rotates and drives the rotating shaft 9 to rotate in a meshed mode.
Referring to fig. 2 and 3, the measuring mechanism 7 includes a measuring gear 8 horizontally disposed on the measuring table 3, a central axis of the measuring gear 8 is connected to a rotating shaft 9, the rotating shaft 9 rotates to drive the measuring gear 8 to rotate, a chain to be measured is meshed with the measuring gear 8, and the measuring gear 8 rotates to drive the chain to transmit.
Referring to fig. 3, the feeding assembly 10 includes two feeding rods 11 disposed on the measuring table 3, and the feeding rods 11 are disposed in parallel with each other. A feed chute 12 is formed between the two feed bars 11, and the feed chute 12 is used for chain conveying. The feed rod 11 close to one side of the measuring gear 8 is provided with an engaging hole 13, the engaging hole 13 is used for the measuring gear 8 to pass through, so that the chain in the feed chute 12 is jointly connected with the measuring gear 8, after the measuring gear 8 is rotated, the measuring gear 8 can convey the chain, and the chain can convey along the length direction of the feed chute 12.
Referring to fig. 3, a plurality of fastening nuts 24 are arranged on the top of the feeding rod 11, the fastening nuts 24 are used for adjusting the position of the feeding rod 11 to adapt to chains of different specifications, an adjusting groove 25 is arranged on the measuring table 3 and perpendicular to the feeding rod 11, and a fastening hole 26 is arranged in the adjusting groove 25. After the fastening nut 24 is loosened, the distance of the feeding rods 11 on the sliding chute is changed, the two feeding rods 11 are kept parallel to each other, the fastening nut 24 is screwed into the fastening hole 26, the distance adjustment between the two feeding rods 11 is completed, and the effect of adapting to different chains is achieved.
Referring to fig. 2 and 3, the counter assembly 14 includes a driven member 15 disposed on top of the measuring gear 8, the driven member 15 is composed of a driven turntable 20 and a driven shaft 19, the driven shaft 19 is disposed on the driven turntable 20, the driven turntable 20 rotates following the measuring gear 8, an adjusting hole is provided at the center on the driven turntable 20, and a rotating nut 38 is installed in the adjusting hole. Different measuring gears 8 are replaced by the rotating nuts 38, and therefore the measurement of different gears is adapted. The counting block 16 is arranged on the top circumference of the slave turntable 20, and when the slave turntable 20 rotates, the counting block 16 makes a circular motion on the slave turntable 20. The counter 17 is arranged on the measuring table 3 at the side far from the feeding assembly 10, the counting block 16 approaches the counter 17 once per revolution during circular motion, the counter 17 counts once and then increments a count on the counting display 18, and the number displayed by the counting display 18 after the chain transmission is finished indicates the number of revolutions of the measuring gear 8. Further, the length of the chain can be obtained quickly by only knowing the circumference of the measuring gear 8.
Referring to fig. 3, the slave turntable 20 is further provided with an annular scale 34 arranged along the circumferential direction from the top end of the turntable 20, if the length of the slave turntable is not long enough in the final stage of chain conveying, the effect of inaccurate chain length measurement can be caused, and the tail of the chain is measured by using the annular scale 34, so that the measurement accuracy is improved. The feeding rod 11 is provided with a linear graduated scale 35, so that the chain can be further conveniently detected.
Referring to fig. 2 and 3, a guard 27 is provided on the outer circumferential side of the measuring gear 8, and the guard 27 is used to prevent the measuring gear 8 from stalling. The protection member 27 is semi-circularly mounted, and is fixed to the measurement table 3 by a nut at the top of the protection member 27. The measuring table 3 is further provided with a buffer 29 in meshed connection with the measuring gear 8, the buffer 29 comprises a first gear 30 and a second gear 32, a gear chain 33 in meshed connection is arranged on the first gear 30 and the second gear 32, and the gear chain 33 is also in meshed connection with the measuring gear 8, so that the gear chain 33 can follow the rotation during the rotation of the measuring chain and stops rotating when the measuring chain stops, the measuring gear 8 is prevented from continuing to rotate due to the inertia effect after the rotation stops, and the accuracy of measuring the length of the chain is improved.
Referring to fig. 3, one end of the length direction on the feeding rod 11 is provided with a guiding disc 36, a shaft rod 37 is arranged at the center shaft of the guiding disc 36, the guiding disc 36 can rotate along the shaft rod 37 as the shaft center, and further, in the process of conveying the chain, the chain is prevented from being clamped to influence the normal conveying of the material strips, and meanwhile, the chain is protected to a certain extent.
The implementation principle of the embodiment is as follows: the chain that will wait to detect is placed on measuring table 3, and 16 alignment counters 17 of count piece on the measuring gear 8, then convey the chain from feed chute 12 department, measuring gear 8 rotates under driving motor 5's drive, and then measuring gear 8 will drive the chain conveying, count piece 16 on the measuring gear 8 will follow measuring gear 8 and rotate, measuring gear 8 rotates the round, and count piece 16 will correspond and be close once with counter 17, the numerical value that the simultaneous counting display 18 shows adds one. The chain is conveyed to the last section, the measuring gear 8 cannot normally rotate for one circle due to insufficient length, and the length of the chain is measured by the annular graduated scale 34. And finally, converting the display numerical value of the counting display 18 into an actual distance, and adding the distance on the linear scale 35 to obtain the total length of the chain, so that the effect of quickly measuring the chain is realized.
The embodiments of the present invention are the preferred embodiments of the present invention, and the protection scope of the present invention is not limited by this, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (9)
1. A quick chain distance measuring instrument comprises a rack (1), wherein the rack (1) comprises a rack body (2) and a measuring table (3) horizontally arranged at the top of the rack body (2);
the method is characterized in that: the bottom of the measuring table (3) is provided with a driving mechanism (4), the driving mechanism (4) comprises a driving motor (5) arranged in the measuring table (3), and a driving shaft (6) is arranged on the driving motor (5);
the measuring table (3) is provided with a measuring mechanism (7), the measuring mechanism (7) comprises a measuring gear (8) horizontally arranged on the measuring table (3), a rotating shaft (9) extending towards the bottom is arranged at the central shaft of the measuring gear (8), and the bottom of the rotating shaft (9) is in driving connection with a driving motor (5);
the measuring mechanism (7) further comprises a feeding assembly (10), the feeding assembly (10) comprises a lower two feeding rods (11) which are arranged in parallel, a feeding groove (12) is arranged between the two feeding rods (11), one side of the feeding groove (12) close to the measuring gear (8) is provided with a meshing hole (13) for the measuring gear (8) to penetrate through,
the measuring mechanism (7) further comprises a counting assembly (14), the counting assembly (14) comprises a secondary rotating piece (15) arranged at the top of the measuring gear (8), and the counting assembly (14) further comprises a counting block (16) arranged on one side of the measuring gear (8) and far away from the feeding assembly (10).
2. A fast chain rangefinder according to claim 1, characterized in that: the counting block (16) comprises a counter (17) and a counting display (18) connected with the counter (17).
3. A fast chain rangefinder according to claim 1, characterized in that: the driven rotating piece (15) comprises a driven shaft (19) arranged on the rotating shaft of the measuring gear (8), and a driven rotating disc (20) is sleeved on the driven shaft (19).
4. A fast chain rangefinder according to claim 1, characterized in that: the feeding rod (11) is provided with a guide disc (36), the guide disc (36) is arranged on one side of the feeding rod (11) in the length direction, and a shaft rod (37) is arranged at the central shaft of the guide disc (36).
5. A fast chain rangefinder according to claim 1, characterized in that: the top of the feeding rod (11) is provided with a fastening nut (24), the measuring table (3) is provided with an adjusting groove (25) perpendicular to the feeding rod (11), the adjusting groove (25) is arranged on one side far away from the measuring gear (8), and a plurality of fastening holes (26) for the fastening nut (24) to penetrate through are formed in the adjusting groove (25).
6. A fast chain rangefinder according to claim 1, characterized in that: the periphery of the measuring gear (8) is upwards provided with a protection piece (27), and the protection piece (27) is provided with a circular shape.
7. A fast chain rangefinder according to claim 1, characterized in that: still be equipped with bolster (29) on measuring table (3), bolster (29) include first gear (30) and second gear (32), meshing is connected with gear chain (33) on first gear (30) and second gear (32), gear chain (33) are connected with measuring gear (8) meshing.
8. A fast chain rangefinder according to claim 3, wherein: an annular graduated scale (34) is arranged at the top of the slave turntable (20).
9. A fast chain rangefinder according to claim 1, characterized in that: and a linear graduated scale (35) is arranged on the feeding rod (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021173222.0U CN212082320U (en) | 2020-06-22 | 2020-06-22 | Quick chain range finder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021173222.0U CN212082320U (en) | 2020-06-22 | 2020-06-22 | Quick chain range finder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212082320U true CN212082320U (en) | 2020-12-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021173222.0U Active CN212082320U (en) | 2020-06-22 | 2020-06-22 | Quick chain range finder |
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| CN (1) | CN212082320U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117450885A (en) * | 2023-12-26 | 2024-01-26 | 泰州市勤峰物资有限公司 | Bicycle chain length testing device |
-
2020
- 2020-06-22 CN CN202021173222.0U patent/CN212082320U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117450885A (en) * | 2023-12-26 | 2024-01-26 | 泰州市勤峰物资有限公司 | Bicycle chain length testing device |
| CN117450885B (en) * | 2023-12-26 | 2024-04-26 | 泰州市勤峰物资有限公司 | Bicycle chain length testing device |
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