CN119023539A - Ground permeability testing device for highway maintenance - Google Patents
Ground permeability testing device for highway maintenance Download PDFInfo
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- CN119023539A CN119023539A CN202411505680.2A CN202411505680A CN119023539A CN 119023539 A CN119023539 A CN 119023539A CN 202411505680 A CN202411505680 A CN 202411505680A CN 119023539 A CN119023539 A CN 119023539A
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- 230000035699 permeability Effects 0.000 title claims abstract description 36
- 238000012360 testing method Methods 0.000 title claims abstract description 17
- 238000012423 maintenance Methods 0.000 title claims abstract description 16
- 238000007789 sealing Methods 0.000 claims abstract description 49
- 238000004140 cleaning Methods 0.000 claims abstract description 47
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 37
- 230000007246 mechanism Effects 0.000 claims abstract description 35
- 238000001514 detection method Methods 0.000 claims abstract description 34
- 230000006835 compression Effects 0.000 claims description 11
- 238000007906 compression Methods 0.000 claims description 11
- 230000001105 regulatory effect Effects 0.000 claims 1
- 239000007788 liquid Substances 0.000 abstract description 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 5
- 235000017491 Bambusa tulda Nutrition 0.000 description 5
- 241001330002 Bambuseae Species 0.000 description 5
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 5
- 239000011425 bamboo Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 230000010405 clearance mechanism Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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- Geophysics And Detection Of Objects (AREA)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
本发明属于地面渗透性检测领域，涉及公路养护用地面渗透性检测装置，包括移动底座，还包括清理机构，清理机构包括清理盒和电动辊刷，清理盒设置在丝杆滑台模组的下方，电动辊刷的下边缘位于清理盒外部；调节机构包括密封筒、筒架和伸缩架，密封筒固定在筒架的中心；测试机构包括水位传感器和气压传感器，水位传感器和气压传感器固定在顶盖上，顶盖上固定有连通密封筒的进气管和进水管。在对地面进行渗透性检测时，筒架配合伸缩架使密封筒保持升起状态，使清理机构的电动滚刷和清理盒能够从密封筒的下方经过，对待检测的地面进行清理后，再将密封筒放置在地面上，最后通过测试机构对密封筒内液位下降的高度进行检测即可。
The present invention belongs to the field of ground permeability detection, and relates to a ground permeability detection device for highway maintenance, including a mobile base and a cleaning mechanism, the cleaning mechanism including a cleaning box and an electric roller brush, the cleaning box is arranged below the screw slide module, and the lower edge of the electric roller brush is located outside the cleaning box; the adjustment mechanism includes a sealing cylinder, a cylinder rack and a telescopic frame, and the sealing cylinder is fixed at the center of the cylinder rack; the testing mechanism includes a water level sensor and an air pressure sensor, and the water level sensor and the air pressure sensor are fixed on the top cover, and an air inlet pipe and a water inlet pipe connected to the sealing cylinder are fixed on the top cover. When the ground is tested for permeability, the cylinder rack cooperates with the telescopic frame to keep the sealing cylinder in a raised state, so that the electric roller brush and the cleaning box of the cleaning mechanism can pass from under the sealing cylinder. After the ground to be tested is cleaned, the sealing cylinder is placed on the ground, and finally the height of the liquid level drop in the sealing cylinder is tested by the testing mechanism.
Description
Technical Field
The invention relates to the technical field of ground permeability detection, in particular to a ground permeability detection device for highway maintenance.
Background
After the construction of the highway engineering structure is completed, the ground of the structure is required to be subjected to multiple detection, water seepage detection is required to be performed on the ground in the detection, wherein the permeability of the road surface is an important index, if the permeability of the road surface is poor, water accumulation on the road surface is easy to cause, therefore, a detector can regularly detect the permeability of the road surface by using the existing permeability detection device, the ground is required to be subjected to sealing treatment in the water seepage detection process, a proper amount of water is put into the road surface, the corresponding detection device is placed on the road surface, so that the water seepage condition of a bridge is observed within a certain time, but when the conventional water seepage detection is performed on the road surface, the upper end of a measuring cylinder on the device is usually directly exposed to air, and when the water level in the measuring cylinder is continuously reduced, the water pressure in the measuring cylinder is gradually reduced, namely that the water pressure in the measuring cylinder is always in a constant state, the accuracy of the water seepage detection result of the road surface is easy to be reduced, and meanwhile, most of the conventional road surface permeability detection devices can only measure the speed of water seepage under the condition, the condition of the vehicle can not be simulated, and the reliability of the water seepage detection result of the road surface is reduced.
The patent application with the publication number of CN118362480A discloses a ground permeability detection device for highway maintenance, which comprises sealing mud, a base and a detection part, wherein the detection part comprises a placing plate arranged on the base through a fixing part; and the auxiliary detection part comprises a clamping plate fixedly arranged on the placing plate. This patent detects road surface permeability through setting up the cooperation of electric putter with pressure sensor, rubber dish, can realize being in under the constant voltage state in the glass bottle is inside, can effectively improve the degree of accuracy of testing result, through the cooperation of rubber dish and a plurality of electronic vibrator, can realize detecting road surface permeability when the simulation car is gone on the road surface, has effectively improved the reliability of road surface permeability testing result and the flexibility that the device was used. However, this patent still suffers from a number of disadvantages: it is difficult to clear up the road surface of treating the detection before detecting, leads to the remaining impurity on road surface can influence permeability testing result and reduces the sealed effect between detection device and the road surface.
Disclosure of Invention
The invention aims to solve the technical problems that: in order to solve the problem that the permeability of the ground under different road conditions is difficult to detect, the invention provides a ground permeability detection device for highway maintenance, which solves the problem.
The technical scheme adopted for solving the technical problems is as follows: the ground permeability detection device for highway maintenance comprises a movable base, a screw rod sliding table module is fixed on the movable base, and the ground permeability detection device further comprises a cleaning mechanism, an adjusting mechanism and a testing mechanism, wherein the cleaning mechanism comprises a cleaning box and an electric roller brush, the cleaning box is arranged below the screw rod sliding table module and connected with a sliding table of the screw rod sliding table module, the electric roller brush is rotatably installed in the cleaning box, and the lower edge of the electric roller brush is positioned outside the cleaning box; the adjusting mechanism comprises a sealing cylinder, a cylinder frame and a telescopic frame, wherein two ends of the cylinder frame are fixedly connected with the top end of the telescopic frame, the sealing cylinder is fixed in the center of the cylinder frame, and a top cover is fixed at the top of the sealing cylinder; the testing mechanism comprises a water level sensor and an air pressure sensor, wherein the water level sensor and the air pressure sensor are fixed on the top cover, the end part of the water level sensor and the air pressure sensor is positioned in the sealing cylinder, and the top cover is also fixed with an air inlet pipe and an air inlet pipe which are communicated with the sealing cylinder.
Preferably, the cleaning mechanism further comprises a connecting frame, a sliding rod and a compression spring, wherein the connecting frame is fixedly connected with the sliding table of the screw rod sliding table module, the sliding rod is fixed at the top of the cleaning box and is in sliding connection with the connecting frame, and the compression spring is sleeved on the sliding rod, and two ends of the compression spring are respectively in butt joint with the cleaning box and the connecting frame.
Preferably, a supporting plate is further fixed on one side of the cleaning box, a push rod is slidably mounted on the supporting plate, a needle plate is fixed at one end of the push rod, the needle plate is arranged towards the ground, a ball head is fixed at the other end of the push rod, cams are coaxially fixed at two ends of the electric roller brush, the cams can push the ball head to move when rotating, and a reset spring is abutted between the ball head and the supporting plate.
Preferably, the adjusting mechanism further comprises an electric push rod, a lever support, a pressing rod, a vertical rod and a pressing head, the middle part of the pressing rod is rotatably installed on the lever support, the lever support is fixed on the top cover, one end of the pressing rod is in sliding connection with the top of the vertical rod through a connecting seat, the other end of the pressing rod is in sliding connection with the end part of the electric push rod, the electric push rod is used for driving the pressing rod to deflect up and down by taking the lever support as a center, the vertical rod vertically penetrates through the top cover and is in sliding connection with the top cover, and the pressing head is installed at the bottom of the vertical rod.
Preferably, the pressure head comprises a semicircular rubber block, a fixed plate and a hinging seat, wherein one end of the fixed plate is rotatably connected with the bottom of the vertical rod through the hinging seat, and the semicircular rubber block is fixed at the bottom of the fixed plate.
Preferably, the other end of the fixing plate is connected with the middle part of the vertical rod through an elastic telescopic rod, and two ends of the elastic telescopic rod are respectively connected with the fixing plate and the vertical rod in a rotating mode.
Preferably, the cylinder frame is also fixedly provided with a thread seat, a screw rod in threaded connection with the thread seat is arranged in the thread seat, the bottom of the screw rod is rotationally connected with the movable base, and the top of the screw rod is fixedly provided with a hand wheel.
Preferably, a ring plate is fixed at the bottom of the sealing cylinder, the inner diameter of the ring plate is the same as that of the sealing cylinder, an annular air bag is fixed at the bottom of the ring plate near the outer ring, and an annular sealing strip is fixed at the bottom of the ring plate near the inner ring.
The invention has the beneficial effects that:
Be provided with clearance mechanism and adjustment mechanism, when carrying out permeability to ground and detecting, barrel holder cooperation expansion bracket makes the sealed section of thick bamboo keep rising state to the bottom of sealed section of thick bamboo breaks away from ground, makes clearance mechanism's electronic round brush and clearance box can pass through from the below of sealed section of thick bamboo, after the ground that treats the detection, place sealed section of thick bamboo subaerial again, detect through the high of testing mechanism to the interior liquid level decline of sealed section of thick bamboo at last.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present invention, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of the construction of a preferred embodiment of the present invention;
FIG. 2 is a schematic view of the structure of the mobile base of the present invention;
FIG. 3 is a schematic diagram of a screw slipway module according to the present invention;
FIG. 4 is a schematic view of the construction of the cleaning cartridge of the present invention;
Fig. 5 is a schematic view of the structure of the needle plate of the present invention;
FIG. 6 is a schematic view of the structure of the cartridge holder of the present invention;
FIG. 7 is a schematic view of the structure of the ring plate of the present invention;
FIG. 8 is a schematic structural view of a semicircular rubber block of the present invention.
Reference numerals: 1. a movable base; 2. a screw rod sliding table module; 3. a cleaning mechanism; 4. an adjusting mechanism; 5. a testing mechanism; 6. cleaning the box; 7. a motorized roller brush; 8. a sealing cylinder; 9. a cartridge holder; 10. a telescopic frame; 11. a top cover; 12. a water level sensor; 13. an air pressure sensor; 14. an air inlet pipe; 15. a water inlet pipe; 16. a connecting frame; 17. a slide bar; 18. a compression spring; 19. a support plate; 20. a push rod; 21. a needle plate; 22. ball head; 23. a cam; 24. a return spring; 25. an electric push rod; 26. a lever support; 27. a compression bar; 28. a vertical rod; 29. a semicircular rubber block; 30. a fixing plate; 31. a hinge base; 32. an elastic telescopic rod; 33. a screw seat; 34. a screw; 35. a hand wheel; 36. a ring plate; 37. an annular air bag.
Detailed Description
The following description of the embodiments of the present invention will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the invention are shown.
As shown in fig. 1 to 8, the invention provides an embodiment of a ground permeability detection device for highway maintenance, which comprises a movable base 1, wherein a screw rod sliding table module 2 is fixed on the movable base 1, a cleaning mechanism 3, an adjusting mechanism 4 and a testing mechanism 5 are further included, the cleaning mechanism 3 comprises a cleaning box 6 and an electric roller brush 7, the cleaning box 6 is arranged below the screw rod sliding table module 2 and is connected with a sliding table of the screw rod sliding table module 2, the electric roller brush 7 is rotatably arranged in the cleaning box 6, and the lower edge of the electric roller brush 7 is positioned outside the cleaning box 6.
The cleaning mechanism 3 further comprises a connecting frame 16, a sliding rod 17 and a compression spring 18, wherein the connecting frame 16 is fixedly connected with the sliding table of the screw rod sliding table module 2, the sliding rod 17 is fixed at the top of the cleaning box 6 and is in sliding connection with the connecting frame 16, and the compression spring 18 is sleeved on the sliding rod 17 and two ends of the compression spring are respectively abutted with the cleaning box 6 and the connecting frame 16.
Before permeability detection is carried out on a road surface, the sliding table of the screw rod sliding table module 2 drives the connecting frame 16 to horizontally move, the connecting frame 16 horizontally moves in-process to drive the cleaning box 6 connected with the connecting frame to move, and then the electric roller brush 7 installed in the cleaning box 6 can clean the road surface to be detected, the electric roller brush 7 always presses the cleaning box 6 downwards through the elastic force action in the moving process, so that the electric roller brush 7 can keep fit with the ground, the friction force between the electric roller brush 7 and the road surface is increased, and the cleaning effect of the electric roller brush 7 on the road surface is improved. In addition, a plurality of sand strips can also be fixed to the inside of clearance box 6, can produce the friction with the sand strip when electric roller brush 7 rotates, and then clear up the dirty clearance of adhesion on the electric roller brush 7, guarantee electric roller brush 7 self clean.
One side of the cleaning box 6 is also fixed with a supporting plate 19, a push rod 20 is slidably arranged on the supporting plate 19, one end of the push rod 20 is fixed with a needle plate 21, the needle plate 21 is arranged towards the ground, the other end of the push rod 20 is fixed with a ball head 22, two ends of the electric roller brush 7 are coaxially fixed with cams 23, the cams 23 can push the ball head 22 to move when rotating, a reset spring 24 is abutted between the ball head 22 and the supporting plate 19, and the ball head 22 and the push rod 20 are reset under the elastic force of the reset spring 24, so that the cams 23 can push the ball head 22 to move again.
When the ground is detected, a certain amount of dirt on the ground can be tightly adsorbed on the ground, the holes of the ground are blocked, the ground permeability is affected, and the error of the detection result is larger, but the invention drives the cam 23 to rotate through the rotation of the electric roller brush 7, the cam 23 pushes the ball head 22 to move when rotating, the ball head 22 is connected with the push rod 20 and drives the push rod 20 to move, the push rod 20 moves to drive the needle plate 21 to move, the needle point of the needle plate 21 is arranged towards the ground and can be in contact with the ground, and in the process that the needle plate 21 moves unidirectionally along with the cleaning box 6, the push rod 20 also pushes the needle plate 21 to reciprocate back and forth, so that the needle plate 21 can scrape substances which are adsorbed and tightly on the ground after being torn, and the ground is convenient for the subsequent electric roller brush 7 to clean the ground to be detected.
The adjusting mechanism 4 comprises a sealing cylinder 8, a cylinder frame 9 and a telescopic frame 10, wherein the two ends of the cylinder frame 9 are fixedly connected with the top end of the telescopic frame 10, the sealing cylinder 8 is fixed at the center of the cylinder frame 9, a threaded seat 33 is further fixed on the cylinder frame 9, a screw 34 in threaded connection with the threaded seat 33 is arranged in the threaded seat 33, the bottom of the screw 34 is rotationally connected with the moving base 1, a hand wheel 35 is fixed at the top of the screw 34, and before the cleaning box 6 moves, the hand wheel 35 is rotated, and the cylinder frame 9 and the sealing cylinder 8 are driven to rise upwards through the screw 34, so that the cleaning box 6 can smoothly pass through the lower part of the sealing cylinder 8, the ground to be detected is cleaned, and a top cover 11 is fixed at the top of the sealing cylinder 8.
The testing mechanism 5 comprises a water level sensor 12 and an air pressure sensor 13, wherein the water level sensor 12 and the air pressure sensor 13 are fixed on a top cover 11, the end part of the water level sensor is positioned in the sealing cylinder 8, and an air inlet pipe 14 and an water inlet pipe 15 which are communicated with the sealing cylinder 8 are also fixed on the top cover 11.
The bottom of the sealing cylinder 8 is fixed with a ring plate 36, the inner diameter of the ring plate 36 is the same as the inner diameter of the sealing cylinder 8, an annular air bag 37 is fixed at the bottom of the ring plate 36 near the outer ring, the contact area between the annular air bag 37 and the ground after being pressed is larger, the sealing performance inside the sealing cylinder 8 is further improved, and an annular sealing strip is fixed at the bottom of the ring plate 36 near the inner ring.
When the permeability of the ground is tested, the hand wheel 35 is rotated to enable the screw 34 to rotate, the screw 34 rotates to drive the cylinder frame 9 and the sealing cylinder 8 to move downwards until the bottom of the sealing cylinder 8 is in contact with the ground, at the moment, a gap between the outer ring of the sealing cylinder 8 and the ground is sealed through the annular air bag 37, the gap between the inner ring of the sealing cylinder 8 and the ground is sealed through the annular sealing strip, then water is injected into the sealing cylinder 8 through the water inlet pipe 15, and air is filled into the sealing cylinder 8 after the water injection is completed, so that the air pressure in the sealing cylinder 8 reaches the test requirement, and finally the height of the water level drop in the sealing cylinder 8 is recorded through the water level sensor 12.
The adjusting mechanism 4 further comprises an electric push rod 25, a lever support 26, a pressing rod 27, a vertical rod 28 and a pressing head, wherein the middle part of the pressing rod 27 is rotatably arranged on the lever support 26, the lever support 26 is fixed on the top cover 11, one end of the pressing rod 27 is slidably connected with the top of the vertical rod 28 through a connecting seat, the other end of the pressing rod 27 is slidably connected with the end of the electric push rod 25, the electric push rod 25 is used for driving the pressing rod 27 to deflect up and down by taking the lever support 26 as a center, the vertical rod 28 vertically penetrates through the top cover 11 and is slidably connected with the top cover 11, and the pressing head is arranged at the bottom of the vertical rod 28.
The pressure head includes semicircle rubber piece 29, fixed plate 30 and articulated seat 31, and the one end of fixed plate 30 passes through articulated seat 31 and rotates with the bottom of pole setting 28 to be connected, and semicircle rubber piece 29 is fixed in the bottom of fixed plate 30.
The other end of the fixed plate 30 is connected with the middle part of the upright 28 through an elastic telescopic rod 32, and two ends of the elastic telescopic rod 32 are respectively connected with the fixed plate 30 and the upright 28 in a rotating way.
In order to detect the permeability of the road surface under the pressed state, after the sealing cylinder 8 descends to the ground, one end of the pressing rod 27 can be driven by the electric push rod 25 to move upwards, the other end of the pressing rod 27 can be further driven by the vertical rod 28 to move downwards, the vertical rod 28 moves downwards to enable the semicircular rubber block 29 to be pressed on the ground so as to apply pressure to the ground, when the electric push rod 25 continuously moves up and down, the semicircular rubber block 29 can be driven to continuously roll the ground, the situation that the road surface is pressed by the accumulated water in the running process of the vehicle is simulated, after the electric push rod 25 works for a period of time, the electric push rod 25 is closed to enable the semicircular rubber block 29 to remain static, and after the water surface in the sealing cylinder 8 is calm, the height of the water level falling can be recorded by the water level sensor 12 so as to detect the permeability of the road surface under the pressed condition.
With the above-described preferred embodiments according to the present invention as an illustration, the above-described descriptions can be used by persons skilled in the relevant art to make various changes and modifications without departing from the scope of the technical idea of the present invention. The technical scope of the present invention is not limited to the description, but must be determined according to the scope of claims.
Claims (8)
1. Ground permeability detection device is used in highway maintenance, including removing base (1), be fixed with lead screw slip table module (2), its characterized in that on removing base (1): the cleaning device comprises a screw rod sliding table module (2), and is characterized by further comprising a cleaning mechanism (3), an adjusting mechanism (4) and a testing mechanism (5), wherein the cleaning mechanism (3) comprises a cleaning box (6) and an electric roller brush (7), the cleaning box (6) is arranged below the screw rod sliding table module (2) and is connected with a sliding table of the screw rod sliding table module (2), the electric roller brush (7) is rotatably arranged in the cleaning box (6), and the lower edge of the electric roller brush (7) is positioned outside the cleaning box (6);
the adjusting mechanism (4) comprises a sealing cylinder (8), a cylinder frame (9) and a telescopic frame (10), wherein two ends of the cylinder frame (9) are fixedly connected with the top end of the telescopic frame (10), the sealing cylinder (8) is fixed at the center of the cylinder frame (9), and a top cover (11) is fixed at the top of the sealing cylinder (8);
The testing mechanism (5) comprises a water level sensor (12) and an air pressure sensor (13), the water level sensor (12) and the air pressure sensor (13) are fixed on the top cover (11) and the end part of the water level sensor is positioned in the sealing cylinder (8), and the top cover (11) is also fixed with an air inlet pipe (14) and an water inlet pipe (15) which are communicated with the sealing cylinder (8).
2. The road maintenance ground permeability detection apparatus according to claim 1, wherein: the cleaning mechanism (3) further comprises a connecting frame (16), a sliding rod (17) and a compression spring (18), wherein the connecting frame (16) is fixedly connected with the sliding table of the screw rod sliding table module (2), the sliding rod (17) is fixed at the top of the cleaning box (6) and is in sliding connection with the connecting frame (16), and the compression spring (18) is sleeved on the sliding rod (17) and two ends of the compression spring are respectively abutted to the cleaning box (6) and the connecting frame (16).
3. The road maintenance ground permeability detection apparatus according to claim 2, wherein: one side of clearance box (6) still is fixed with backup pad (19), slidable mounting has push rod (20) on backup pad (19), the one end of push rod (20) is fixed with faller (21), faller (21) set up towards ground, the other end of push rod (20) is fixed with bulb (22), the both ends coaxial cam (23) that are fixed with of electronic roller brush (7), cam (23) can promote during rotation bulb (22) remove, bulb (22) with butt has reset spring (24) between backup pad (19).
4. The road maintenance ground permeability detection apparatus according to claim 1, wherein: the regulating mechanism (4) further comprises an electric push rod (25), a lever support (26), a press rod (27), a vertical rod (28) and a pressure head, wherein the middle part of the press rod (27) is rotatably installed on the lever support (26), the lever support (26) is fixed on the top cover (11), one end of the press rod (27) is in sliding connection with the top of the vertical rod (28) through a connecting seat, the other end of the press rod (27) is in sliding connection with the end part of the electric push rod (25), the electric push rod (25) is used for driving the press rod (27) to deflect up and down by taking the lever support (26) as a center, the vertical rod (28) vertically penetrates through the top cover (11) and is in sliding connection with the top cover (11), and the pressure head is installed at the bottom of the vertical rod (28).
5. The road maintenance ground permeability test apparatus according to claim 4, wherein: the pressure head comprises a semicircular rubber block (29), a fixing plate (30) and a hinging seat (31), one end of the fixing plate (30) is rotatably connected with the bottom of the vertical rod (28) through the hinging seat (31), and the semicircular rubber block (29) is fixed at the bottom of the fixing plate (30).
6. The road maintenance ground permeability test apparatus according to claim 5, wherein: the other end of the fixed plate (30) is connected with the middle part of the vertical rod (28) through an elastic telescopic rod (32), and two ends of the elastic telescopic rod (32) are respectively connected with the fixed plate (30) and the vertical rod (28) in a rotating mode.
7. The road maintenance ground permeability detection apparatus according to claim 1, wherein: the cylinder frame (9) is further fixedly provided with a thread seat (33), a screw rod (34) in threaded connection with the thread seat (33) is arranged in the thread seat, the bottom of the screw rod (34) is rotationally connected with the movable base (1), and a hand wheel (35) is fixed at the top of the screw rod (34).
8. The road maintenance ground permeability detection apparatus according to claim 1, wherein: the bottom of the sealing cylinder (8) is fixedly provided with a ring plate (36), the inner diameter of the ring plate (36) is the same as that of the sealing cylinder (8), the bottom of the ring plate (36) is fixedly provided with an annular air bag (37) close to the outer ring, and the bottom of the ring plate (36) is fixedly provided with an annular sealing strip close to the inner ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202411505680.2A CN119023539B (en) | 2024-10-28 | 2024-10-28 | Ground permeability testing device for highway maintenance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202411505680.2A CN119023539B (en) | 2024-10-28 | 2024-10-28 | Ground permeability testing device for highway maintenance |
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| Publication Number | Publication Date |
|---|---|
| CN119023539A true CN119023539A (en) | 2024-11-26 |
| CN119023539B CN119023539B (en) | 2025-01-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202411505680.2A Active CN119023539B (en) | 2024-10-28 | 2024-10-28 | Ground permeability testing device for highway maintenance |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN119595484A (en) * | 2025-02-12 | 2025-03-11 | 四川交通职业技术学院 | Pavement water damage and impervious performance simulation test device |
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