A construction site dust detection method and device

By designing a dust detection device with adjustment function, and adjusting the detection height by using servo motors and transmissions, the problem of difficulty in monitoring the change of dust concentration at construction sites at different heights is solved, and effective dust monitoring and control measures evaluation under different conditions is achieved.

CN119269352BActive Publication Date: 2025-03-04SHAANXI WATER DEV & CONSTR GRP CO LTD
View PDF 3 Cites 0 Cited by

Patent Information

Application Number
CN202411784614.3
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2024-12-06
Publication Date
2025-03-04
Estimated Expiration
2044-12-06

AI Technical Summary

Technical Problem

At the construction site, the changes in dust concentration at different heights are difficult to effectively monitor, which makes it difficult to evaluate the effect of dust control measures.

Method used

A dust detection device with adjustment function is designed, and the adjustment of the screw and lift pipe is driven by the servo motor and transmission to achieve flexible adjustment of the detection height.

Benefits of technology

The device can effectively and accurately monitor the changes in dust concentration under different conditions, improve the applicability and stability of the equipment, and ensure the effective evaluation of dust control measures.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN119269352B_ABST
    Figure CN119269352B_ABST
Patent Text Reader

Abstract

The invention discloses a method and device for detecting dust at a construction site, and relates to the technical field of dust concentration detection equipment. The dust detection device at the construction site comprises a mounting base, a servo motor is fixedly mounted on the bottom of the inner wall of the mounting base, a mounting tube is fixedly mounted on the top of the mounting base, and also comprises: an adjusting device, the adjusting device comprises a screw rod, a lifting tube, a detection device body, a transmission part, a fixed rod, a receiving block, a conduction rod, a receiving rod, a fixed plate, a movable plate, a limit rod and a receiving plate, the screw rod rotates and passes through the upper inner and outer walls of the mounting base, the dust detection device at the construction site realizes the adjustment of the detection height, ensures that the change of dust concentration can be effectively and accurately monitored under different conditions, improves the applicability of the equipment, and at the same time, under the action of the limit rod, avoids the lifting tube from shaking during the detection process, and maintains the stability of the detection device body during the detection process.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The invention relates to the technical field of dust concentration detection equipment, and in particular to a construction site dust detection method and device. Background Art

[0002] At construction sites, dust detection devices are often used to monitor dust concentration in the air to ensure the health of workers and compliance with environmental regulatory requirements. These devices can help construction companies and regulatory authorities to timely understand the air quality at construction sites and take necessary control measures to protect workers from the hazards of dust pollution.

[0003] The patent with the patent announcement number CN219777420U relates to a construction site environment dust concentration detection device, including a support chassis, a support column and a display screen, wherein the support column is vertically fixedly connected to the upper surface of the support chassis, and the display screen is fixedly connected to the middle of the front surface of the support column. This patent sets two electric slide rails, a rotating shaft and a scraping strip. If a large amount of dust is attached to the surface of the display screen of the device, the two electric slide rails can be started, and the two electric slide rails drive the rotating shaft to move along the length direction of the display screen. During the movement, the rotating shaft continues to rotate, and the scraping strip set on the outer surface of the rotating shaft will scrape off the dust attached to the surface of the display screen, thereby cleaning the display screen. There is no need for manual cleaning, so that the detection device can continue to operate normally, thereby improving the practicality of the device.

[0004] In the above patent, the dust attached to the surface of the display screen can be scraped off by the provided scraping strip, thereby cleaning the display screen without the need for manual cleaning, so that the detection device can continue to operate normally, thereby improving the practicality of the device. However, during the construction process, different stages or different construction operations may have different dust generation sources, which will cause the dust concentration to change at different heights. For this reason, a construction site dust detection device with an adjustment function is designed. Summary of the invention

[0005] In view of the deficiencies in the prior art, the present invention provides a method and device for detecting dust at a construction site, which solves the problems raised in the above-mentioned background technology.

[0006] To achieve the above objectives, the present invention is implemented through the following technical solutions: a construction site dust detection device, comprising a mounting base, a servo motor is fixedly mounted on the bottom of the inner wall of the mounting base, a mounting tube is fixedly mounted on the top of the mounting base, and also includes: an adjusting device, the adjusting device includes a screw rod, a lifting tube, a detection device body, a transmission member, a fixed rod, a receiving block, a conduction rod, a receiving rod, a fixed plate, a movable plate, a limit rod and a receiving plate, the servo motor is started, the output end of the servo motor rotates to drive the transmission member to rotate, the transmission member rotates to drive the conduction rod to move upward, the conduction rod moves upward to drive the receiving rod to move upward, the screw rod rotates to penetrate the inner and outer walls above the mounting base, the lifting tube is slidably mounted on the inner wall of the mounting tube, and the detection device body is fixedly mounted on the lifting tube Above, the transmission member is fixedly installed on the output end of the servo motor, the fixed rod is fixedly installed on the top of the transmission member, the receiving block is fixedly installed on the circumferential surface of the screw rod, the conduction rod is slidably installed on the circumferential surface of the mounting tube, the receiving rod fixedly passes through the conduction rod, the fixed plate is fixedly installed on the circumferential surface of the mounting tube, the movable plate is slidably installed below the fixed plate, the limit rod is fixedly installed on the side of the movable plate close to the mounting tube, the receiving plate is fixedly installed below the movable plate, a limit groove is provided on the surface of the lifting tube, a spiral groove is provided on the circumferential surface of the transmission member, the bottom of the conduction rod is in contact with the spiral groove, and the lifting tube moves upward to drive the detection device body to move upward, thereby realizing the adjustment of the detection height, which is helpful to capture more comprehensive dust concentration distribution information.

[0007] According to the above technical solution, the screw rod contacts the inner wall of the lifting tube, the conduction rod slides through the upper inner and outer walls of the mounting base, a through hole is provided on the surface of the mounting tube, a V-shaped groove is provided on the surface of the receiving plate, and the two ends of the receiving rod away from the conduction rod are located inside the V-shaped groove. The V-shaped groove enables the receiving rod to move up and down and drive the receiving plate to move in the direction away from the mounting tube.

[0008] According to the above technical solution, a telescopic elastic rod 1 is fixedly installed on the top of the inner wall of the mounting base, and the free end of the telescopic elastic rod 1 is fixedly connected to the conductive rod, and the telescopic elastic rod 1 can drive the conductive rod to reset, and a telescopic elastic rod 2 is fixedly installed on the surface of the fixed plate, and the free end of the telescopic elastic rod 2 is fixedly connected to the movable plate, and the telescopic elastic rod 2 can drive the movable plate to reset after the adjustment is completed, and re-limit the lifting tube under the action of the limit rod.

[0009] According to the above technical scheme, it also includes a supporting device, which is arranged on the surface of the fixed plate, and the supporting device includes a supporting block and a moving rod, and the supporting block is slidably installed above the fixed plate, and the moving rod slides through the upper and lower walls of the fixed plate, and the supporting device also includes a fixed block, a baffle, a telescopic elastic rod three and a partition, when the moving plate moves in the direction away from the mounting tube, it contacts and squeezes the moving rod to move upward, and the moving rod moves upward, contacts and squeezes the fixed block to move in the direction close to the lifting tube, the fixed block is fixedly installed on the surface of the supporting block, the baffle is fixedly installed above the fixed plate, the telescopic elastic rod three is fixedly installed on a side of the baffle close to the supporting block, the free end of the telescopic elastic rod three is fixedly connected to the supporting block, and the partition is slidably installed inside the limiting groove, and the support block moves to contact the lifting tube and provide additional support for it, so as to avoid shaking under the action of wind when the height of the lifting tube is adjusted.

[0010] According to the above technical solution, the lower part of the moving rod is set as beveled surface one, the lower part of the moving rod is set as beveled surface two, and a spring No. 1 is arranged between the partition and the inner wall of the limiting groove. The spring No. 1 can drive the partition to reset and realize the closure of the limiting groove.

[0011] The lubricating device further comprises a lubricating device arranged on the surface of the supporting block, the lubricating device comprises an oil storage tank and a fixed box, the surface of the supporting block is provided with a fixed groove, the oil storage tank is fixedly installed inside the fixed groove, and the fixed box is fixedly installed at the bottom of the inner wall of the oil storage tank, the lubricating device also comprises a pressure rod, a sliding plate, a connecting pipe, an L-shaped plate, a sliding block, a stopper and a sponge strip, when the supporting block moves, the pressure rod is driven to move, the pressure rod moves to contact the lifting tube and moves in a direction away from the lifting tube under the action of the pressure rod, the pressure rod moves to drive the sliding plate to move, the pressure rod is slidably installed on the inner wall of the fixed groove, the sliding plate is slidably installed on the inner wall of the fixed groove, the connecting pipe is fixedly passed through the left and right walls of the sliding plate, the L-shaped plate is slidably installed inside the fixed box, the surface of the L-shaped plate is provided with a sliding groove, the sliding block is slidably installed inside the sliding groove, the stopper is fixedly installed on the inner wall of the fixed box, and the sponge strip is fixedly installed inside the sliding groove, and during the adjustment process, the surface of the lifting tube is lubricated by the lubricating oil inside the sponge strip to prevent the lifting tube from getting stuck or stuck during the adjustment process, so that the adjustment is smoother.

[0012] According to the above technical solution, the connecting pipe is fixedly passed through the left and right walls of the L-shaped plate, the bottom of the sliding block is set as a beveled surface three, a feed port is opened above the fixed box, and lubricating oil is stored inside the oil storage tank. When the L-shaped plate moves, the feed port above the fixed box is closed, thereby realizing the quantitative discharge of the lubricating oil.

[0013] According to the above technical solution, a telescopic elastic rod four is fixedly installed on the bottom of the inner wall of the slide groove, and the free end of the telescopic elastic rod four is fixedly connected to the sliding block. The telescopic elastic rod four can drive the sliding block to reset and re-close the connecting pipe. A No. 2 spring is arranged between the sliding plate and the oil storage tank, and the No. 2 spring can drive the sliding plate to reset.

[0014] A detection method for a construction site dust detection device, comprising:

[0015] Step 1: Start the servo motor. The output end of the servo motor drives the transmission rod to move upward through the transmission member. The transmission rod moves upward and drives the receiving plate to move away from the lifting tube under the action of the receiving rod.

[0016] Step 2: The receiving plate moves to drive the moving plate and the limiting rod to move away from the lifting tube, and the limiting rod moves out of the limiting groove on the surface of the lifting tube and releases the limiting of the lifting tube;

[0017] Step 3: Then the transmission member rotates to drive the fixed rod to rotate, the fixed rod rotates to contact and drive the receiving block to rotate, and the receiving block rotates to drive the screw rod to rotate;

[0018] Step 4: The screw rod rotates to drive the lifting tube to move upward, and the upward movement of the lifting tube drives the detection device body to move upward, thereby realizing the adjustment of the detection height.

[0019] The present invention provides a construction site dust detection device, which has the following beneficial effects:

[0020] (1) The construction site dust detection device drives the fixed rod to rotate through the servo motor and the transmission part, and drives the screw to rotate under the action of the receiving block to adjust the height of the lifting tube, thereby adjusting the detection height, ensuring that the change of dust concentration can be effectively and accurately monitored under different conditions, improving the applicability of the equipment. At the same time, the rotation of the transmission part first drives the receiving plate to move through the conduction rod and the receiving rod, and releases the limit on the lifting tube under the action of the moving plate and the limit rod, avoiding the shaking of the lifting tube during the detection process, maintaining the stability of the detection device during the detection process, and ensuring that the detection device is measured in the correct position to avoid errors or inaccurate data.

[0021] (2) In the construction site dust detection device, the movement of the movable plate drives the support block to contact the lifting tube and provide additional support for it under the action of the moving rod, so as to avoid shaking under the action of wind when adjusting the height of the lifting tube, and maintain stability during the height adjustment process. At the same time, when the lifting tube moves downward to reset, the support block can effectively scrape off the dust on the surface of the lifting tube, so as to avoid dust adhering to the surface of the lifting tube and increasing the wear of the equipment. When the limit block is separated from the lifting tube, the limit on the partition will be released, so that the partition will pop out under the action of the No. 1 spring, so as to achieve the closure of the limit groove, and prevent external dust from entering the interior of the limit groove and causing blockage, thereby affecting the limit effect in the subsequent height adjustment process and reducing the subsequent maintenance cost.

[0022] (3) In the construction site dust detection device, the support block moves to drive the pressure rod to contact the lifting pipe, and drives the L-shaped rod to move under the action of the sliding plate and the connecting pipe. The movement of the L-shaped rod drives the sliding block to move to contact the stopper and release the closure of the connecting pipe under the action of the stopper. The lubricating oil inside the fixed box is discharged into the sponge bar through the connecting pipe. Then, during the adjustment process, the surface of the lifting pipe is lubricated by the lubricating oil inside the sponge bar to prevent the lifting pipe from getting stuck or jammed during the adjustment process, making the adjustment smoother. At the same time, when the L-shaped plate moves, it closes the feed port above the fixed box, thereby realizing the quantitative discharge of the lubricating oil, avoiding the waste of excessive lubricating oil, and further improving the service life of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0024] Figure 2 It is a schematic diagram of the overall cross-sectional structure of the present invention;

[0025] Figure 3 It is a schematic diagram of the transmission member and the screw rod position structure of the present invention;

[0026] Figure 4 This is a schematic diagram of the position structure of the fixed plate and the movable plate of the present invention;

[0027] Figure 5 It is a schematic diagram of the position structure of the movable plate and the limiting rod of the present invention;

[0028] Figure 6 This is a schematic diagram of the cross-sectional structure of the support block of the present invention;

[0029] Figure 7 For the present invention Figure 6 The enlarged structural diagram of part A in the middle;

[0030] Figure 8 It is a schematic diagram of the position structure of the connecting pipe and the sliding block of the present invention.

[0031] In the figure: 1. mounting base; 2. servo motor; 3. mounting tube; 4. screw rod; 5. lifting tube; 6. detection device body; 7. transmission member; 8. fixed rod; 9. receiving block; 10. conduction rod; 11. receiving rod; 12. fixed plate; 13. movable plate; 14. limit rod; 15. receiving plate; 16. telescopic elastic rod one; 17. telescopic elastic rod two; 181. support block; 182. movable rod; 183. fixed block; 184. baffle; 185. telescopic elastic rod three; 186. partition; 187. spring No. 1; 191. oil storage tank; 192. fixed box; 193. pressure rod; 194. sliding plate; 195. connecting pipe; 196. L-shaped plate; 197. sliding block; 198. baffle; 199. sponge strip; 1910. telescopic elastic rod four; 1911. spring No. 2. DETAILED DESCRIPTION

[0032] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0033] See also Figure 1-Figure 5, one embodiment of the present invention is: a construction site dust detection device, including a mounting base 1, a servo motor 2 is fixedly installed at the bottom of the inner wall of the mounting base 1, a mounting tube 3 is fixedly installed above the mounting base 1, and also includes: an adjustment device, the adjustment device includes a screw rod 4, a lifting tube 5, a detection device body 6, a transmission member 7, a fixed rod 8, a receiving block 9, a conduction rod 10, a receiving rod 11, a fixed plate 12, a movable plate 13, a limit rod 14 and a receiving plate 15, the screw rod 4 rotates and penetrates the upper inner and outer walls of the mounting base 1, the lifting tube 5 is slidably installed on the inner wall of the mounting tube 3, the detection device body 6 is fixedly installed above the lifting tube 5, the transmission member 7 is fixedly installed on the output end of the servo motor 2, the fixed rod 8 is fixedly installed above the transmission member 7, the receiving block 9 is fixedly installed on the circumferential surface of the screw rod 4, and the transmission member 7 is fixedly installed on the output end of the servo motor 2 The guide rod 10 is slidably installed on the circumferential surface of the mounting tube 3, the receiving rod 11 is fixedly inserted through the conduction rod 10, the fixed plate 12 is fixedly installed on the circumferential surface of the mounting tube 3, the movable plate 13 is slidably installed below the fixed plate 12, the limit rod 14 is fixedly installed on the side of the movable plate 13 close to the mounting tube 3, the receiving plate 15 is fixedly installed below the movable plate 13, a limit groove is provided on the surface of the lifting tube 5, a spiral groove is provided on the circumferential surface of the transmission member 7, the bottom of the conduction rod 10 contacts with the spiral groove, the lifting tube 5 moves upward to drive the detection device body 6 to move upward, thereby realizing the adjustment of the detection height, which is helpful to capture more comprehensive dust concentration distribution information, and at the same time helps to evaluate the effectiveness of dust control measures, ensure that the changes in dust concentration can be effectively and accurately monitored under different conditions, and improve the applicability of the equipment.

[0034] The screw rod 4 contacts the inner wall of the lifting tube 5, the transmission rod 10 slides through the upper inner and outer walls of the mounting base 1, a through hole is opened on the surface of the mounting tube 3, and a V-shaped groove is opened on the surface of the receiving plate 15. The two ends of the receiving rod 11 away from the transmission rod 10 are inside the V-shaped groove. The V-shaped groove can make the receiving rod 11 move up and down to drive the receiving plate 15 to move in the direction away from the mounting tube 3.

[0035] A telescopic elastic rod 16 is fixedly installed on the top of the inner wall of the mounting base 1, and the free end of the telescopic elastic rod 16 is fixedly connected to the conductive rod 10. The telescopic elastic rod 16 can drive the conductive rod 10 to reset. A telescopic elastic rod 2 17 is fixedly installed on the surface of the fixed plate 12, and the free end of the telescopic elastic rod 2 17 is fixedly connected to the movable plate 13. The telescopic elastic rod 2 17 can drive the movable plate 13 to reset after the adjustment is completed, and re-limit the lifting tube 5 under the action of the limit rod 14.

[0036] A detection method for a construction site dust detection device, comprising:

[0037] Step 1: Start the servo motor 2. The output end of the servo motor 2 drives the transmission rod 10 to move upward through the transmission member 7. The transmission rod 10 moves upward and drives the receiving plate 15 to move away from the lifting tube 5 under the action of the receiving rod 11.

[0038] Step 2: The receiving plate 15 moves to drive the moving plate 13 and the limiting rod 14 to move away from the lifting tube 5, and the limiting rod 14 moves out of the limiting groove on the surface of the lifting tube 5 and releases the limiting of the lifting tube 5;

[0039] Step 3: Then the transmission member 7 rotates to drive the fixed rod 8 to rotate, the fixed rod 8 rotates to contact and drive the receiving block 9 to rotate, and the receiving block 9 rotates to drive the screw rod 4 to rotate;

[0040] Step 4: The screw rod 4 rotates to drive the lifting tube 5 to move upward, and the upward movement of the lifting tube 5 drives the detection device body 6 to move upward, thereby realizing the adjustment of the detection height.

[0041] When this embodiment works: start the servo motor 2, the output end of the servo motor 2 rotates to drive the transmission member 7 to rotate, the transmission member 7 rotates and drives the conduction rod 10 to move upward through the spiral groove, the conduction rod 10 moves upward and drives the receiving rod 11 to move upward, the receiving rod 11 moves upward and drives the receiving plate 15 to move away from the mounting tube 3 under the action of the V-shaped groove, the receiving plate 15 moves and drives the moving plate 13 to move, the moving plate 13 moves and drives the limiting rod 14 to move, the limiting rod 14 moves out of the limiting groove on the surface of the lifting tube 5 and releases the limit on the lifting tube 5, then the transmission member 7 rotates and drives the fixed rod 8 to rotate, the fixed rod 8 rotates to contact and drive the receiving block 9 to rotate, the receiving block 9 rotates and drives the screw rod 4 to rotate, the screw rod 4 rotates and drives the lifting tube 5 to move upward, and the lifting tube 5 moves upward and drives the detection device body 6 to move upward, thereby realizing the adjustment of the detection height, which is helpful to capture more comprehensive dust concentration distribution information, and at the same time helps to evaluate the effect of dust control measures, ensures that the change of dust concentration can be effectively and accurately monitored under different conditions, and improves the applicability of the equipment. When the height adjustment is completed, the conduction rod 10 is reset under the action of the telescopic elastic rod 16 and the receiving rod 11 is reset, and under the action of the moving plate 13, the limiting rod 14 is re-contacted with the limiting groove on the surface of the lifting tube 5 and limits it, avoiding the lifting tube 5 from shaking during the detection process, maintaining the stability of the detection device body 6 during the detection process, and ensuring that the detection device body 6 is measured at the correct position to avoid errors or inaccurate data.

[0042] See also Figure 1-Figure 8On the basis of the above embodiment, another embodiment of the present invention further includes a supporting device, which is arranged on the surface of the fixed plate 12, and includes a supporting block 181 and a moving rod 182. The supporting block 181 is slidably installed above the fixed plate 12, and the moving rod 182 slides through the upper and lower walls of the fixed plate 12. The supporting device also includes a fixed block 183, a baffle 184, a telescopic elastic rod 185 and a partition 186. The fixed block 183 is fixedly installed on the surface of the supporting block 181, the baffle 184 is fixedly installed above the fixed plate 12, and the telescopic elastic rod 185 and the partition 186 are fixedly installed. The support block 181 is fixedly mounted on one side of the baffle 184 close to the support block 181, the free end of the telescopic spring rod 185 is fixedly connected to the support block 181, the partition plate 186 is slidably mounted inside the limiting groove, the support block 181 moves to contact the lifting tube 5 and provides additional support for it, so as to avoid shaking under the action of wind when the height of the lifting tube 5 is adjusted, and maintain stability during the height adjustment process; at the same time, when the lifting tube 5 moves downward to reset, the support block 181 can effectively scrape off the dust on the surface of the lifting tube 5, so as to avoid the dust adhering to the surface of the lifting tube 5 and thus increasing the wear of the equipment.

[0043] The bottom of the moving rod 182 is set as beveled surface one, and the bottom of the moving rod 182 is set as beveled surface two. A spring No. 187 is arranged between the partition 186 and the inner wall of the limit groove. The spring No. 187 can drive the partition 186 to reset, thereby realizing the closure of the limit groove, preventing external dust from entering the interior of the limit groove and causing blockage, thereby affecting the limiting effect in the subsequent height adjustment process and reducing the subsequent maintenance cost.

[0044] The lubricating device is also included, and the lubricating device is arranged on the surface of the support block 181. The lubricating device includes an oil storage tank 191 and a fixed box 192. The surface of the support block 181 is provided with a fixed groove, and the oil storage tank 191 is fixedly installed inside the fixed groove, and the fixed box 192 is fixedly installed at the bottom of the inner wall of the oil storage tank 191. The lubricating device also includes a pressure rod 193, a sliding plate 194, a connecting pipe 195, an L-shaped plate 196, a sliding block 197, a stopper 198 and a sponge strip 199. The pressure rod 193 is slidably installed on the inner wall of the fixed groove, and the sliding plate 194 slides The connecting pipe 195 is fixedly installed on the inner wall of the fixed groove, the connecting pipe 195 is fixedly passed through the left and right walls of the sliding plate 194, the L-shaped plate 196 is slidably installed in the interior of the fixed box 192, and a sliding groove is provided on the surface of the L-shaped plate 196. The sliding block 197 is slidably installed in the interior of the sliding groove, the stopper 198 is fixedly installed on the inner wall of the fixed box 192, and the sponge strip 199 is fixedly installed in the interior of the sliding groove. During the adjustment process, the surface of the lifting tube 5 is lubricated by the lubricating oil inside the sponge strip 199 to prevent the lifting tube 5 from getting stuck or jammed during the adjustment process, so that the adjustment is smoother.

[0045] The connecting pipe 195 is fixedly passed through the left and right walls of the L-shaped plate 196. The bottom of the sliding block 197 is set as a beveled surface three. A feed port is opened above the fixed box 192. Lubricating oil is stored in the oil storage tank 191. When the L-shaped plate 196 moves, the feed port above the fixed box 192 is closed, thereby realizing the quantitative discharge of the lubricating oil, avoiding the waste of excessive lubricating oil, and further improving the service life of the equipment.

[0046] A telescopic elastic rod 4 1910 is fixedly installed at the bottom of the inner wall of the slide groove, and the free end of the telescopic elastic rod 4 1910 is fixedly connected to the sliding block 197. The telescopic elastic rod 4 1910 can drive the sliding block 197 to reset and re-close the connecting pipe 195. A No. 2 spring 1911 is arranged between the sliding plate 194 and the oil storage tank 191, and the No. 2 spring 1911 can drive the sliding plate 194 to reset.

[0047] When the present embodiment is working, the movable plate 13 moves in a direction away from the mounting tube 3, contacts and squeezes the movable rod 182 to move upward, the movable rod 182 moves upward, contacts and squeezes the fixed block 183 to move in a direction close to the lifting tube 5, the fixed block 183 moves to drive the support block 181 to move, the support block 181 moves to contact the lifting tube 5 and provides additional support for it, so as to avoid shaking under the action of wind when the height of the lifting tube 5 is adjusted, and maintain stability during the height adjustment process. At the same time, when the lifting tube 5 moves downward and resets, the support block 181 can effectively scrape off the dust on the surface of the lifting tube 5, so as to avoid dust adhering to the surface of the lifting tube 5 and thus increasing the wear of the equipment. When the movable plate 13 moves in a direction away from the mounting tube 3, it drives the limit rod 14 to move, and the limit rod 14 moves to release the limit on the partition 186. After the limit is released, the partition 186 pops out under the action of the No. 1 spring 187, so as to close the limit groove, so as to avoid external dust from entering the inside of the limit groove and causing blockage, thereby affecting the limit effect during the subsequent height adjustment process, and reducing the subsequent maintenance cost.

[0048] When the support block 181 moves, it drives the pressure rod 193 to move. The pressure rod 193 moves to contact the lifting tube 5 and moves away from the lifting tube 5 under its action. The movement of the pressure rod 193 drives the sliding plate 194 to move. The movement of the sliding plate 194 drives the connecting tube 195 to move. The movement of the connecting tube 195 drives the L-shaped plate 196 to move. The movement of the L-shaped plate 196 drives the sliding block 197 to move. The sliding block 197 moves to contact the stopper 198 and moves downward under its action. The sliding block 197 moves downward to release the limit on the connecting tube 195, and is fixed after the limit is released. The lubricating oil inside the box 192 is discharged into the interior of the sponge bar 199 through the connecting pipe 195. Then, during the adjustment process, the surface of the lifting tube 5 is lubricated by the lubricating oil inside the sponge bar 199 to prevent the lifting tube 5 from getting stuck or stuck during the adjustment process, making the adjustment smoother, reducing subsequent maintenance costs and extending the service life of the equipment. At the same time, when the L-shaped plate 196 moves, the feed port above the fixed box 192 is closed, thereby realizing the quantitative discharge of the lubricating oil, avoiding the waste of excessive lubricating oil, and further improving the service life of the equipment.

[0049] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A construction site dust detection device, comprising a mounting base (1), a servo motor (2) being fixedly mounted on the bottom of the inner wall of the mounting base (1), and a mounting pipe (3) being fixedly mounted above the mounting base (1), characterized in that: Also includes: The adjusting device comprises a screw (4), a lifting tube (5), a detection device body (6), a transmission member (7), a fixed rod (8), a receiving block (9), a conduction rod (10), a receiving rod (11), a fixed plate (12), a movable plate (13), a limit rod (14) and a receiving plate (15), wherein the screw (4) rotates and penetrates the upper inner and outer walls of the mounting base (1), the lifting tube (5) is slidably mounted on the inner wall of the mounting tube (3), the detection device body (6) is fixedly mounted above the lifting tube (5), the transmission member (7) is fixedly mounted on the output end of the servo motor (2), the fixed rod (8) is fixedly mounted above the transmission member (7), and the bearing The connecting block (9) is fixedly mounted on the circumferential surface of the screw rod (4), the transmission rod (10) is slidably mounted on the circumferential surface of the mounting tube (3), the receiving rod (11) is fixedly penetrated by the transmission rod (10), the fixed plate (12) is fixedly mounted on the circumferential surface of the mounting tube (3), the movable plate (13) is slidably mounted below the fixed plate (12), the limiting rod (14) is fixedly mounted on a side of the movable plate (13) close to the mounting tube (3), the receiving plate (15) is fixedly mounted below the movable plate (13), a limiting groove is provided on the surface of the lifting tube (5), a spiral groove is provided on the circumferential surface of the transmission member (7), and the lower side of the transmission rod (10) contacts the spiral groove; A support device, the support device is arranged on the surface of the fixed plate (12), the support device comprises a support block (181) and a moving rod (182), the support block (181) is slidably mounted above the fixed plate (12), and the moving rod (182) slidably penetrates the upper and lower walls of the fixed plate (12); A lubricating device, the lubricating device being arranged on the surface of a support block (181), the lubricating device comprising an oil storage tank (191) and a fixing box (192), the surface of the support block (181) being provided with a fixing groove, the oil storage tank (191) being fixedly mounted inside the fixing groove, and the fixing box (192) being fixedly mounted on the bottom of the inner wall of the oil storage tank (191).

2. A construction site dust detection device according to claim 1, characterized in that: The screw rod (4) contacts the inner wall of the lifting tube (5), the conductive rod (10) slides through the upper inner and outer walls of the mounting base (1), a through hole is provided on the surface of the mounting tube (3), a V-shaped groove is provided on the surface of the receiving plate (15), and the two ends of the receiving rod (11) away from the conductive rod (10) are located inside the V-shaped groove.

3. A construction site dust detection device according to claim 2, characterized in that: A telescopic elastic rod 1 (16) is fixedly mounted on the top of the inner wall of the mounting base (1), the free end of the telescopic elastic rod 1 (16) being fixedly connected to the conductive rod (10), and a telescopic elastic rod 2 (17) is fixedly mounted on the surface of the fixed plate (12), the free end of the telescopic elastic rod 2 (17) being fixedly connected to the movable plate (13).

4. A construction site dust detection device according to claim 3, characterized in that: The support device further comprises a fixed block (183), a baffle (184), a telescopic elastic rod three (185) and a partition (186); the fixed block (183) is fixedly mounted on the surface of the support block (181); the baffle (184) is fixedly mounted above the fixed plate (12); the telescopic elastic rod three (185) is fixedly mounted on a side of the baffle (184) close to the support block (181); the free end of the telescopic elastic rod three (185) is fixedly connected to the support block (181); and the partition (186) is slidably mounted inside the limit groove.

5. A construction site dust detection device according to claim 4, characterized in that: A first beveled surface is arranged below the moving rod (182), a second beveled surface is arranged below the moving rod (182), and a first spring (187) is arranged between the partition plate (186) and the inner wall of the limiting groove.

6. A construction site dust detection device according to claim 5, characterized in that: The lubricating device further comprises a pressure rod (193), a sliding plate (194), a connecting pipe (195), an L-shaped plate (196), a sliding block (197), a stopper (198) and a sponge strip (199), wherein the pressure rod (193) is slidably mounted on the inner wall of the fixed groove, the sliding plate (194) is slidably mounted on the inner wall of the fixed groove, the connecting pipe (195) is fixedly penetrated through the left and right walls of the sliding plate (194), the L-shaped plate (196) is slidably mounted inside the fixed box (192), a sliding groove is provided on the surface of the L-shaped plate (196), the sliding block (197) is slidably mounted inside the sliding groove, the stopper (198) is fixedly mounted on the inner wall of the fixed box (192), and the sponge strip (199) is fixedly mounted inside the sliding groove.

7. A construction site dust detection device according to claim 6, characterized in that: The connecting pipe (195) is fixedly passed through the left and right walls of the L-shaped plate (196); a third beveled surface is provided below the sliding block (197); a feed port is provided above the fixed box (192); and lubricating oil is stored inside the oil storage tank (191).

8. A construction site dust detection device according to claim 7, characterized in that: A telescopic spring rod 4 (1910) is fixedly installed at the bottom of the inner wall of the slide groove, and the free end of the telescopic spring rod 4 (1910) is fixedly connected to the sliding block (197). A second spring (1911) is arranged between the sliding plate (194) and the oil storage tank (191).

9. A detection method for a construction site dust detection device according to claim 8, characterized in that: include: Step 1: starting the servo motor (2), the output end of the servo motor (2) drives the transmission rod (10) to move upwards through the transmission member (7), and the transmission rod (10) moves upwards, and under the action of the receiving rod (11), drives the receiving plate (15) to move in a direction away from the lifting tube (5); Step 2: The receiving plate (15) moves to drive the moving plate (13) and the limiting rod (14) to move in a direction away from the lifting tube (5), and the limiting rod (14) moves out of the limiting groove on the surface of the lifting tube (5) and releases the limiting of the lifting tube (5); Step 3: The transmission member (7) then rotates to drive the fixed rod (8) to rotate, the fixed rod (8) rotates to contact and drive the receiving block (9) to rotate, and the receiving block (9) rotates to drive the screw rod (4) to rotate; Step 4: The screw rod (4) rotates to drive the lifting tube (5) to move upwards. The lifting tube (5) moves upwards to drive the detection device body (6) to move upwards, thereby adjusting the detection height.

Citation Information

Patent Citations

  • Building construction site environment dust concentration detection device

    CN219777420U

  • Flying dust on-line monitoring device

    CN213749505U

  • Lifting column

    CN214939582U