CN111853184B - Chain length matching device and matching method - Google Patents
Chain length matching device and matching method Download PDFInfo
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- CN111853184B CN111853184B CN202010552647.0A CN202010552647A CN111853184B CN 111853184 B CN111853184 B CN 111853184B CN 202010552647 A CN202010552647 A CN 202010552647A CN 111853184 B CN111853184 B CN 111853184B
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- chain
- chains
- matching method
- length matching
- chest expander
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H7/00—Gearings for conveying rotary motion by endless flexible members
- F16H7/06—Gearings for conveying rotary motion by endless flexible members with chains
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/02—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring length, width, or thickness
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
Abstract
The invention discloses a chain length matching device, which comprises a box body, wherein an upper row and a lower row of tension pulleys are arranged on the side wall of one side of the box body, a chain to be measured bypasses all the tension pulleys, the chain length matching device also comprises a chest expander and an adjusting bracket, the chest expander and the adjusting bracket are fixed on the same side of the side wall, one end of the chain is connected to the adjusting bracket, and the other end of the chain is connected to the chest expander. The chain can be gradually tensioned by pulling the adjusting bracket, the tensioning force can be measured by the spring exerciser, and when the measured force on the spring exerciser is equal to a set value, a reading corresponding to the position of one end of the chain on the adjusting bracket can be recorded to obtain the length of the chain. By measuring the lengths of all chains in the same batch, the lengths of all chains can be obtained, the chains with the closest lengths are found out to be paired pairwise according to the measured readings of the chains, and the paired chains are installed in the same growth box, so that the length difference between the chains on two opposite side walls in the same growth box can be greatly reduced.
Description
Technical Field
The invention relates to a plant growth box, in particular to a chain length matching device and a chain length matching method.
Background
The volume of the plant growth box is very large, a plurality of growth grooves are arranged in the plant growth box, and the growth grooves need to be moved ceaselessly in order to enable plants in the growth grooves to obtain water and light continuously. The growth trough is generally driven by a chain, as shown in fig. 1, the chain 200 is installed on two opposite side walls of the growth box 100, a plurality of tension pulleys 300 are installed on the side walls, the chain respectively bypasses all the tension pulleys and then is connected end to end, a guide hook 400 is installed on the chain at intervals, and two ends of the growth trough are hung on the guide hooks. When the device is used, the chains on the two side walls move in the same direction to drive the growth grooves to advance.
In this system, the guide hooks on the two opposite side walls are positioned in a one-to-one correspondence, otherwise the growth grooves become skewed during operation.
The difficulty here is that, once: the chain length of each side is very long, and the chain all is the assembly, has the clearance between each spare part, leads to the difference between the chain to be very big, if adopt the mode of random installation, often can appear unqualified condition.
II, secondly, the method comprises the following steps: when the chain runs for a long time, the chains on the two sides have errors, so that the running can be asynchronous.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a chain length matching device which can greatly reduce the length difference between chains on two opposite side walls in the same growth box.
Meanwhile, the chain length matching method is provided, the chain lengths on two opposite side walls in the same growth box can be accurately matched, and the synchronism of the guide hook during movement is guaranteed.
The technical scheme adopted by the invention for solving the technical problem is as follows: the chain length matching device comprises a box body, wherein an upper row of tension pulleys and a lower row of tension pulleys are arranged on the side wall of one side of the box body, a chain to be measured bypasses all the tension pulleys, the chain length matching device further comprises a chest expander and an adjusting support, the chest expander and the adjusting support are fixed on the same side of the side wall, one end of the chain is connected to the adjusting support, and the other end of the chain is connected to the chest expander. The chain can be gradually tensioned by pulling the adjusting bracket, the tensioning force can be measured by the spring exerciser, and when the measured force on the spring exerciser is equal to a set value, a reading corresponding to the position of one end of the chain on the adjusting bracket can be recorded to obtain the length of the chain. By measuring the lengths of all chains in the same batch, the lengths of all chains can be obtained, the chains with the closest lengths are found out to be paired pairwise according to the measured readings of the chains, and the paired chains are installed in the same growth box, so that the length difference between the chains on two opposite side walls in the same growth box can be greatly reduced. According to the measuring mode, the chain is arranged in the growth box under the same environment for measurement, on one hand, the actual use condition is restored as far as possible, so that the measurement is more reliable, on the other hand, the field problem is solved, and due to the fact that the length of the chain is very long, the occupied length space of the chain is greatly reduced after the chain is turned for many times.
In the above technical scheme, preferably, the adjusting bracket includes a back plate, a supporting plate is fixed on the back plate, the adjusting rod penetrates through the first through hole in the supporting plate, the top of the adjusting rod is fixed to one end of the chain, a thread is arranged on the adjusting rod, a nut is connected to the thread, and the nut abuts against the supporting plate. Through rotating the nut, we can adjust the position of adjusting the pole, also can adjust the position of chain tip promptly, and after adjusting simultaneously, even loosen the nut, the position also can be fixed, makes things convenient for us to read.
In the above technical scheme, specifically, the end of one end of the adjusting rod is provided with a fixing block, and the end of the fixing block is provided with a second through hole for the bolt to pass through on the chain.
In the above technical scheme, preferably, the support plate is provided with two parallel stop blocks, the first through hole penetrates through the two stop blocks, the number of the nuts is two, and the two nuts respectively abut against the stop blocks.
In the above technical solution, preferably, the refrigerator further includes a temperature and humidity sensor, and the temperature and humidity sensor is disposed in the box body.
The chain length matching method comprises the following steps:
1) Sequentially winding a chain to be detected around all tension wheels, wherein one end of the chain is connected to the adjusting rod, and the other end of the chain is connected to the chest expander;
2) Gradually screwing the nut to gradually tighten the chain, changing the reading on the spring exerciser in the tightening process until the reading on the spring exerciser reaches a set value, stopping screwing the nut, recording the reading at the end of the chain, and then taking down the chain;
3) Repeating the step 1) and the step 2) to complete the measurement of all chains; according to the measured reading of the chains, finding out the chains with the closest length to pair in pairs, and installing the paired chains into the same growth box;
4) And a chain driving mechanism is arranged in the growth box, and the chain driving mechanism aligns the guide hooks on the pair of chains in the step 3) once when driving the chains to advance once.
The lengths of all chains are measured, then the chains with the closest lengths are selected to be installed in the same growth box, the fact that the lengths of the two chains are closest to each other in the same box is guaranteed, the length difference between the chains on the two opposite side walls in the same growth box is greatly reduced, meanwhile, the driving mechanism adopted by the chains in the growth box guarantees that the guide hooks are aligned once when the chains are driven every time, therefore, the error accumulation of the chains in the operation process is avoided, and the synchronism of the guide hooks during movement is guaranteed.
In the above technical scheme, preferably, the chain driving mechanism in step 4) includes a guide rod, a sliding block connected to the guide rod, and a driving member for driving the sliding block to move up and down the guide rod, the sliding block is rotatably connected with one end of two shifting plates, the other end of the shifting plate is located below the guide hook, a baffle is arranged below the shifting plate, and when the shifting plate rotates downward to a certain angle, the baffle abuts against the shifting plate to prevent the shifting plate from further rotating downward. During the use, the slider up moves, dials the board and supports the bottom of direction couple, upwards lifts the certain distance with the direction couple, no matter what position the direction couple that is lifted originally was in, after the lifting, the position of direction couple all is definite, has also adopted this kind of drive mode after that, and the chain is once transmitted, and the error will once be zero, and this greatly increased the synchronism when direction couple moves. After the lifting is completed, the sliding block moves downwards, and when the shifting plate touches the guide hook below, the shifting plate can rotate upwards, so that the chain cannot be pulled back.
Among the above-mentioned technical scheme, it is concrete, the driving piece includes motor, sprocket and chain belt, motor drive the sprocket rotates, the chain belt walk around behind the sprocket with the slider is connected.
Among the above-mentioned technical scheme, preferred, still include upper limit sensor and lower limit sensor, during the up-going of slider, by the upper limit sensor detects, the slider stops up-sliding, during the down-going of slider, by lower limit sensor detects, the slider stops down-sliding.
The beneficial effects of the invention are: 1) By measuring the lengths of all chains in the same batch, the lengths of all chains can be obtained, the chains with the closest lengths are found out to be paired pairwise according to the measured readings of the chains, and the paired chains are installed in the same growth box, so that the length difference between the chains on two opposite side walls in the same growth box can be greatly reduced. According to the measuring mode, the chain is arranged in the growth box under the same environment for measurement, on one hand, the actual use condition is restored as far as possible, so that the measurement is more reliable, on the other hand, the field problem is solved, and due to the fact that the length of the chain is very long, the occupied length space of the chain is greatly reduced after the chain is turned for many times.
2) The driving mechanism adopted by the chain in the growth box ensures that the guide hook is aligned once by driving each time, thus avoiding the error accumulation of the chain in the operation process and ensuring the synchronism of the guide hook during the movement.
Drawings
FIG. 1 is a schematic view of the interior of a prior art growth chamber.
Fig. 2 is a schematic view of a chain length matching device.
Fig. 3 is a partially enlarged schematic view of fig. 2.
Fig. 4 is a schematic view of an angle of the chain drive mechanism.
Fig. 5 is a partially enlarged schematic view of fig. 4.
Fig. 6 is a schematic view of another angle of the chain drive mechanism.
Detailed Description
The invention is described in further detail below with reference to the following figures and detailed description:
referring to fig. 2 to 3, the chain length matching device comprises a box body 1, wherein an upper row of tension pulleys 2 and a lower row of tension pulleys 2 and a temperature and humidity sensor 6 are arranged on a side wall 11 on one side of the box body 1, a chain 3 to be measured bypasses all the tension pulleys 2, and a guide hook 31 is arranged on the chain 3 at intervals. Still include a chest expander 4 and adjust support 5, chest expander 4 with adjust support 5 and fix on the same one side of lateral wall 11, the one end of chain 3 is connected adjust support 5 is last, the other end of chain 3 is connected chest expander 4 is last.
The adjusting bracket 5 comprises a back plate 51, a supporting plate 52 is fixed on the back plate 51, an adjusting rod 53 penetrates through a first through hole on the supporting plate 52, the top of the adjusting rod 53 is fixed with one end of the chain 3, a thread 531 is arranged on the adjusting rod 53, a nut 54 is connected on the thread 531, and the nut 54 abuts against the supporting plate 52. Through rotating the nut, we can adjust the position of adjusting the pole, also can adjust the position of chain tip promptly, after adjusting simultaneously, even loosen the nut, the position also can be fixed, makes things convenient for us to read.
A fixing block 531 is arranged at one end of the adjusting rod 53, and a second through hole for allowing the bolt on the chain 3 to pass through is arranged at the end of the fixing block 531.
Two parallel stop blocks 522 are arranged on the support plate 52, the first through hole penetrates through the two stop blocks 522, the number of the nuts 54 is two, and the two nuts 54 respectively abut against one stop block.
The chain can be gradually tensioned by pulling the adjusting bracket, the tensioning force can be measured by the spring exerciser, and when the measured force on the spring exerciser is equal to a set value, a reading corresponding to the position of one end of the chain on the adjusting bracket can be recorded to obtain the length of the chain. The lengths of all chains in the same batch can be measured, the chains with the closest lengths are found out according to the measured readings of the chains to be paired pairwise, and the paired chains are installed in the same growth box, so that the length difference between the chains on the two opposite side walls in the same growth box can be greatly reduced. According to the measuring mode, the chain is arranged in the growth box under the same environment for measurement, on one hand, the actual use condition is restored as far as possible, so that the measurement is more reliable, on the other hand, the field problem is solved, and due to the fact that the length of the chain is very long, the occupied length space of the chain is greatly reduced after the chain is turned for many times.
The chain length matching method comprises the following steps:
1) Sequentially winding a chain to be detected around all tension wheels, wherein one end of the chain is connected to the adjusting rod, and the other end of the chain is connected to the chest expander;
2) Gradually screwing the nut to gradually tighten the chain, changing the reading on the spring exerciser in the tightening process until the reading on the spring exerciser reaches a set value, stopping screwing the nut, recording the reading at the end of the chain, and then taking down the chain;
3) Repeating the step 1) and the step 2) to complete the measurement of all chains; finding out the chains with the closest length to pair in pairs according to the measured readings of the chains, and installing the paired chains into the same growth box;
4) A chain driving mechanism is arranged in the growth box, and the chain driving mechanism aligns the guide hooks on the pair of chains in the step 3) once when driving the chains to advance once.
The length of all chains is measured, then the chain with the closest length is selected to be installed in the same growth box, the fact that the lengths of the two chains are closest to each other is guaranteed, the length difference between the chains on the two opposite side walls in the same growth box is greatly reduced, meanwhile, the driving mechanism adopted by the chains in the growth box guarantees that the guide hook is aligned once when the chains are driven every time, therefore, the error accumulation of the chains in the running process is avoided, and the synchronism of the guide hook during movement is guaranteed.
Referring to fig. 4 and 6, the chain driving mechanism 7 in step 4) includes a guide rod 71, a sliding block 72 slidably connected to the guide rod 71, and a driving element 73 driving the sliding block 72 to move up and down on the guide rod 71, wherein one end of two shifting plates 721 are rotatably connected to the sliding block 72, the other end of the shifting plate 721 is located below the guide hook 31, a blocking plate 722 is disposed below the shifting plate 721, and when the shifting plate 721 rotates downward to a certain angle, the blocking plate 722 pushes against the shifting plate 721 to prevent the shifting plate 721 from further rotating downward.
The driving member 73 includes a motor 731, a sprocket 732, and a chain belt 733, the motor drives the sprocket to rotate, and the chain belt is connected to the sliding block after passing around the sprocket.
The automatic sliding device further comprises an upper limit sensor 74 and a lower limit sensor 75, when the sliding block 72 moves upwards, the sliding block 72 stops sliding upwards when detected by the upper limit sensor 74, and when the sliding block 72 moves downwards, the sliding block 72 stops sliding downwards when detected by the lower limit sensor 75. After an upper limit sensor and a lower limit sensor are added, the consistency of the chain stroke is ensured every time the chain is driven.
During the use, the slider up moves, dials the board and supports the bottom of direction couple, upwards lifts the certain distance with the direction couple, no matter what position was originally in by the direction couple of lifting, after the lifting, the position of direction couple all is definite, has also adopted this kind of drive mode after, and the chain is once transmitted, and the error will once return to zero, this greatly increased the synchronism when direction couple moves. After the lifting is completed, the sliding block moves downwards, and when the shifting plate touches the guide hook below, the shifting plate can rotate upwards, and the chain cannot be pulled back.
Claims (9)
1. The chain length matching method is characterized by comprising the following steps:
1) Sequentially winding a chain to be detected around all tension wheels, wherein one end of the chain is connected to the adjusting rod, and the other end of the chain is connected to the chest expander;
2) Gradually screwing a nut to gradually tighten the chain, wherein the reading on the chest expander changes during the tightening process until the reading on the chest expander reaches a set value, stopping screwing the nut, recording the reading at the end of the chain, and then taking down the chain;
3) Repeating the step 1) and the step 2) to complete the measurement of all chains; finding out the chains with the closest length to pair in pairs according to the measured readings of the chains, and installing the paired chains into the same growth box;
4) A chain driving mechanism is arranged in the growth box, and the chain driving mechanism aligns the guide hooks on the pair of chains in the step 3) once when driving the chains to advance once.
2. The chain length matching method according to claim 1, characterized in that: the chain driving mechanism in the step 4) comprises a guide rod, a sliding block and a driving piece, wherein the sliding block is connected to the guide rod in a sliding mode, the driving piece drives the sliding block to move up and down the guide rod, one ends of two shifting plates are connected to the sliding block in a rotating mode, the other ends of the shifting plates are located below the guide hook, a baffle is arranged below the shifting plates, and when the shifting plates rotate to a certain angle downwards, the baffle abuts against the shifting plates to prevent the shifting plates from further rotating downwards.
3. The chain length matching method according to claim 2, characterized in that: the driving piece comprises a motor, a chain wheel and a chain belt, the motor drives the chain wheel to rotate, and the chain belt is connected with the sliding block after bypassing the chain wheel.
4. The chain length matching method according to claim 3, characterized in that: the slider up-movement detection device is characterized by further comprising an upper limiting sensor and a lower limiting sensor, wherein when the slider up-moves, the slider is detected by the upper limiting sensor, the slider stops up-sliding, when the slider down-moves, the slider is detected by the lower limiting sensor, and the slider stops down-sliding.
5. The chain length matching method according to claim 4, comprising a case having a side wall provided with upper and lower rows of tension pulleys, the chain to be measured being passed around all of the tension pulleys, wherein: still include a chest expander and adjust the support, the chest expander with adjust the support and fix on the same one side of lateral wall, the one end of chain is connected adjust on the support, the other end of chain is connected on the chest expander.
6. The chain length matching method according to claim 5, characterized in that: the adjusting support comprises a back plate, a supporting plate is fixed on the back plate, an adjusting rod penetrates through a first through hole in the supporting plate, the top of the adjusting rod is fixed with one end of the chain, threads are arranged on the adjusting rod, nuts are connected to the threads, and the nuts abut against the supporting plate.
7. The chain length matching method according to claim 6, wherein: the end part of one end of the adjusting rod is provided with a fixing block, and the end part of the fixing block is provided with a second through hole for the bolt on the chain to pass through.
8. The chain length matching method according to claim 7, characterized in that: the support plate is provided with two parallel stop blocks, the first through hole penetrates through the two stop blocks, the number of the nuts is two, and the two nuts respectively abut against one stop block.
9. The chain length matching method according to claim 8, wherein: the temperature and humidity sensor is arranged in the box body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010552647.0A CN111853184B (en) | 2020-06-17 | 2020-06-17 | Chain length matching device and matching method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010552647.0A CN111853184B (en) | 2020-06-17 | 2020-06-17 | Chain length matching device and matching method |
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| Publication Number | Publication Date |
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| CN111853184A CN111853184A (en) | 2020-10-30 |
| CN111853184B true CN111853184B (en) | 2022-11-22 |
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Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4668708B2 (en) * | 2005-07-07 | 2011-04-13 | 株式会社日立プラントテクノロジー | Conveyor chain device for circulating surface dust remover |
| CN203069108U (en) * | 2012-09-28 | 2013-07-17 | 安徽黄山恒久链传动有限公司 | Chain length measurement device |
| CN102912402A (en) * | 2012-11-12 | 2013-02-06 | 江苏矽研半导体科技有限公司 | Adjustable transmission system applied to electroplating equipment |
| CN111056235B (en) * | 2019-12-30 | 2021-05-28 | 重庆众思创智能科技有限公司 | Chain tensioning device with adjustable tensioning force |
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