CN220473319U - Permeable pavement test device - Google Patents
Permeable pavement test device Download PDFInfo
- Publication number
- CN220473319U CN220473319U CN202322097520.6U CN202322097520U CN220473319U CN 220473319 U CN220473319 U CN 220473319U CN 202322097520 U CN202322097520 U CN 202322097520U CN 220473319 U CN220473319 U CN 220473319U
- Authority
- CN
- China
- Prior art keywords
- permeable pavement
- supporting seat
- test
- motor body
- water
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000012360 testing method Methods 0.000 title claims abstract description 73
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 63
- 238000007789 sealing Methods 0.000 claims abstract description 21
- 238000004140 cleaning Methods 0.000 claims abstract description 13
- 230000008878 coupling Effects 0.000 claims description 9
- 238000010168 coupling process Methods 0.000 claims description 9
- 238000005859 coupling reaction Methods 0.000 claims description 9
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 7
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 7
- 241001330002 Bambuseae Species 0.000 claims description 7
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 7
- 239000011425 bamboo Substances 0.000 claims description 7
- 239000011521 glass Substances 0.000 claims description 5
- 239000000428 dust Substances 0.000 abstract description 9
- 230000006872 improvement Effects 0.000 description 5
- 239000012615 aggregate Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 239000004568 cement Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000013102 re-test Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Landscapes
- Road Repair (AREA)
Abstract
The utility model provides a permeable pavement test device, which relates to the field of permeable pavement and comprises a supporting seat, wherein two rollers are symmetrically arranged at the right rear of the supporting seat, and a rotary motor body is arranged at the top of one side of the supporting seat; the utility model is provided with the rotating motor body, the rotating rod drives the cleaning brush to clean dust or garbage on the permeable pavement to be tested, so that the subsequent permeable pavement test is facilitated, the powerful motor body is arranged, the threaded rod drives the fixing seat connected with the threaded sleeve to move downwards, the fixing seat drives the test cylinder to move downwards through the through hole, the test cylinder drives the water outlet pipe to move downwards through the fixing cover connected with the balancing weight, the sealing ring connected with the fixing cover is tightly attached to the permeable pavement, the sealing ring is arranged, the permeable pavement is conveniently attached and sealed, and meanwhile, the balancing weight is pressed on the fixing cover to prevent water from flowing out from between the fixing cover and the permeable pavement, so that the accuracy of the subsequent permeable pavement test is improved.
Description
Technical Field
The utility model relates to the field of permeable pavement, in particular to a permeable pavement test device.
Background
The porous light concrete is formed by mixing aggregate, cement and water, does not contain fine aggregate, and a thin layer of cement paste is coated on the surface of coarse aggregate to be mutually bonded to form a honeycomb structure with uniformly distributed holes, so that the porous light concrete has the characteristics of ventilation, water permeation and light weight, and can also be called as non-sand concrete, and after the construction of the pavement is finished, a water permeation experiment is carried out on the pavement, so that a porous pavement test device is needed;
the application number 202221908227.2 discloses a permeable pavement test device and specifically discloses: the device comprises a barrel, a pipe body is fixedly connected to the bottom end of the barrel, a conical barrel is fixedly connected to the bottom end of the pipe body, a rubber ring is fixedly connected to the bottom end of the conical barrel, a ring body is sleeved on the inner wall of the pipe body, a rubber block is tightly matched with the top end of the ring body, a vertical rod is fixedly connected to the bottom end of the rubber block, the outer wall of the vertical rod is in clearance fit with the inner wall of the ring body, a sleeve is in clearance fit with the outer wall of the vertical rod, the sleeve is fixedly connected to the inner wall of the pipe body, a spring is arranged on the outer wall of the vertical rod, a traction mechanism is arranged on the barrel, the test device can move into the pipe body when the vertical rod is contacted with the ground through the gravity of the barrel, the rubber block is driven to be separated from the ring body, sealing of the pipe body is canceled, water in the barrel can pass through the conical barrel and be in contact with the road surface, after the water permeation test is finished, the spring can drive the vertical rod and the rubber block to tightly matched with the ring body, the pipe body is automatically sealed, water is controlled, and the test device is convenient to operate, however, in the test device is easy to move through the cooperation between the vertical rod, the rubber block and the ring body, dust, the stone or the garbage can be easily separated from the dust and the dust can not be easily separated from the road surface, the water can be well and the road surface can be well and the water-permeable pavement can be completely separated from the road surface.
Disclosure of Invention
According to the water permeable pavement test device, the rotating motor body is arranged, the rotating rod drives the cleaning brush to clean dust or garbage on a water permeable pavement to be tested, the subsequent water permeable pavement test is facilitated, the powerful motor body is arranged, the threaded rod drives the fixing seat connected with the threaded sleeve to move downwards, the fixing seat drives the test cylinder to move downwards through the through hole, the test cylinder drives the fixing cover connected with the water outlet pipe through the balancing weight to move downwards, the sealing ring connected with the fixing cover is tightly attached to the water permeable pavement, the sealing ring is arranged, the water permeable pavement is conveniently attached and sealed, and meanwhile the balancing weight is pressed on the fixing cover to prevent water from flowing out from the fixing cover and the water permeable pavement, so that the accuracy of the subsequent water permeable pavement test is improved.
In order to achieve the purpose of the utility model, the utility model is realized by the following technical scheme: the utility model provides a permeable pavement test device, includes the supporting seat, the symmetry is provided with two gyro wheels behind the supporting seat, the top of supporting seat one side is provided with rotates the motor body, the output shaft of rotating the motor body passes through shaft coupling fixedly connected with dwang, the shaft coupling passes through the bearing and rotates with the supporting seat to be connected, the bottom of dwang is provided with the brush cleaner, the through-hole has been seted up to the inner wall of supporting seat, the fixed plate is installed to the inner wall of supporting seat one side, two spouts have been seted up to one side of fixed plate, the top of fixed plate is provided with powerful motor body, the output shaft of powerful motor body passes through shaft coupling fixedly connected with threaded rod, the bottom of threaded rod runs through fixed plate and outer wall cover and is equipped with the thread bush, the fixing base is installed to one side of thread bush, the inner wall of fixed plate is close to the back and is provided with the guide arm, the outer wall cover of guide arm is equipped with the movable sleeve, test section of thick bamboo is installed to the opposite side of fixing base, the back of test section of thick bamboo sets up the inlet tube, the outlet pipe is installed to the bottom of test section of thick bamboo.
The front of outlet pipe is provided with the solenoid valve body, the balancing weight is installed through the bracing piece to the outer wall of experimental section of thick bamboo, the bottom of balancing weight is provided with fixed cover, the sealing washer is installed to the bottom of fixed cover, the outer wall of experimental section of thick bamboo is provided with trilateral strapping table.
The further improvement is that: the rotating rod and the supporting seat form a rotating structure through a bearing, and the rotating rod is fixedly connected with the cleaning brush.
The further improvement is that: the threaded rod is in threaded connection with the threaded sleeve, and the threaded sleeve is in sliding connection with the sliding groove.
The further improvement is that: the fixed seat is fixedly connected with the threaded sleeve and the movable sleeve, and the movable sleeve is movably connected with the guide rod.
The further improvement is that: the test cylinder is tightly attached to the fixing seat, and the test cylinder is made of transparent heat-resistant glass.
The further improvement is that: the water outlet pipe is connected with the balancing weight and the fixed cover, and the fixed cover is tightly attached to the sealing ring.
The beneficial effects of the utility model are as follows: according to the utility model, the rotating motor body is arranged, the rotating rod drives the cleaning brush to clean dust or garbage on the permeable pavement to be tested, so that the subsequent permeable pavement test is facilitated, the powerful motor body is arranged, the threaded rod drives the fixing seat connected with the threaded sleeve to move downwards, the fixing seat drives the test cylinder to move downwards through the through hole, the test cylinder drives the water outlet pipe to move downwards through the fixing cover connected with the balancing weight, the sealing ring connected with the fixing cover is tightly attached to the permeable pavement, the sealing ring is arranged, the permeable pavement is conveniently attached and sealed, and meanwhile, the balancing weight is pressed on the fixing cover to prevent water from flowing out from between the fixing cover and the permeable pavement, so that the accuracy of the subsequent permeable pavement test is improved.
Drawings
FIG. 1 is a schematic diagram of a front cross-sectional structure of the present utility model;
FIG. 2 is a schematic side view of the fixing plate of the present utility model;
FIG. 3 is a schematic side view of a cartridge according to the present utility model;
FIG. 4 is a schematic elevational view of the present utility model;
fig. 5 is a schematic perspective view of a fixing base of the present utility model.
In the figure: 1. a support base; 2. a roller; 3. a bearing; 4. rotating the motor body; 5. a rotating lever; 6. a cleaning brush; 7. a through hole; 8. a fixing plate; 9. a chute; 10. a powerful motor body; 11. a threaded rod; 12. a thread sleeve; 13. a fixing seat; 14. a guide rod; 15. a movable sleeve; 16. a test cartridge; 17. a water inlet pipe; 18. a water outlet pipe; 19. a solenoid valve body; 20. balancing weight; 21. a fixed cover; 22. a seal ring; 23. a meter.
Detailed Description
The present utility model will be further described in detail with reference to the following examples, which are only for the purpose of illustrating the utility model and are not to be construed as limiting the scope of the utility model.
The basic principle, main features and advantages of the present utility model are shown in figures 1-5. It should be appreciated by those skilled in the art that the utility model provides a permeable pavement test device, including supporting seat 1, the symmetry is provided with two gyro wheels 2 behind supporting seat 1, the top of supporting seat 1 one side is provided with rotates motor body 4, the output shaft of rotating motor body 4 passes through shaft coupling fixedly connected with dwang 5, the shaft coupling passes through bearing 3 and supporting seat 1 rotation to be connected, the bottom of dwang 5 is provided with brush cleaner 6, through-hole 7 has been seted up to the inner wall of supporting seat 1, fixed plate 8 is installed to the inner wall of supporting seat 1 one side, two spouts 9 have been seted up to one side of fixed plate 8, the top of fixed plate 8 is provided with powerful motor body 10, the output shaft of powerful motor body 10 passes through shaft coupling fixedly connected with threaded rod 11, the bottom of threaded rod 11 runs through fixed plate 8 and outer wall cover is equipped with thread bush 12, fixing base 13 is installed to one side of thread bush 12, the inner wall of fixed plate 8 is close to 11 the back and is provided with guide arm 14, the outer wall cover of guide arm 14 is equipped with movable cover 15, test cylinder 16 is installed to the opposite side of fixing base 13, test cylinder 16 sets up inlet tube 17 behind test cylinder 16, bottom 18 installs outlet pipe 18.
The front of the water outlet pipe 18 is provided with an electromagnetic valve body 19, the outer wall of the test cylinder 16 is provided with a balancing weight 20 through a supporting rod, the bottom of the balancing weight 20 is provided with a fixed cover 21, the bottom of the fixed cover 21 is provided with a sealing ring 22, the outer wall of the test cylinder 16 is provided with a three-sided meter 23, when the device is used, a worker manually prepares water and edible blue material water into the test cylinder 16 through the water inlet pipe 17, fully fills the test cylinder 16 with the prepared light blue water, easily identifies the scale in the cylinder, then pushes the supporting seat 1, enables each roller 2 to drive the test cylinder 16 connected with the supporting seat 1 to move to the position of the water permeable road, when the test cylinder moves to the position of the water permeable road to be tested, the cleaning brush 6 at the bottom of the supporting seat 1 is driven to be positioned at the position of the water permeable road, and simultaneously starts the rotating motor body 4 through an external control plate, the output shaft of the rotary motor body 4 drives the rotary rod 5 to rotate in the supporting seat 1 through the bearing 3, so that the rotary rod 5 drives the cleaning brush 6 to clean dust or garbage on a permeable pavement to be tested, after the permeable pavement is cleaned, the roller 2 drives the fixed cover 21 arranged in the supporting seat 1 to be positioned at the permeable pavement position, the external control panel starts the powerful motor body 10, the output shaft of the powerful motor body 10 drives the threaded rod 11 to rotate, the threaded rod 11 drives the threaded sleeve 12 to move downwards in the fixed plate 8 through the sliding groove 9, the threaded sleeve 12 drives the fixed seat 13 to move downwards, the fixed seat 13 moves downwards and simultaneously drives the movable sleeve 15 to move downwards on the guide rod 14, the moving stability of the fixed seat 13 is improved, the fixed seat 13 drives the test cylinder 16 to move downwards through the through hole 7, the test cylinder 16 drives the water outlet pipe 18 to downwards through the fixed cover 21 connected with the balancing weight 20, the sealing ring 22 connected with the fixed cover 21 is tightly attached to the permeable pavement, the sealing ring 22 is tightly attached to the permeable pavement to seal, meanwhile, the balancing weight 20 is pressed on the fixed cover 21 to prevent water from flowing out from between the fixed cover 21 and the permeable pavement, then the electromagnetic valve body 19 is started through the control panel, light blue water in the test cylinder 16 flows out through the water outlet pipe 18, when the water descends, workers make the meter 23 on the test cylinder 16 through transparent heat-resistant glass to confirm the water quantity, in the test process, if the water flows out from the sealing ring 22 connected with the fixed cover 21, the road surface is uneven, the steps of moving the dry permeable pavement are repeated, the water surface is retested, if the water surface descending speed is slow, the water penetrating quantity is confirmed for one minute through the meter 23, if the meter 23 is observed to keep the water base, and the road surface is basically impermeable.
The rotating rod 5 forms a rotating structure with the supporting seat 1 through the bearing 3, the rotating rod 5 is fixedly connected with the cleaning brush 6, and the output shaft of the rotating motor body 4 drives the rotating rod 5 to rotate in the supporting seat 1 through the bearing 3, so that the rotating rod 5 drives the cleaning brush 6 to clean dust or garbage on a permeable pavement to be tested.
The threaded rod 11 is in threaded connection with the threaded sleeve 12, the threaded sleeve 12 is in sliding connection with the sliding groove 9, and the threaded rod 11 is driven to rotate by the output shaft of the powerful motor body 10, so that the threaded rod 11 drives the threaded sleeve 12 to move downwards in the fixed plate 8 through the sliding groove 9.
The fixed seat 13 is fixedly connected with the threaded sleeve 12 and the movable sleeve 15, the movable sleeve 15 is movably connected with the guide rod 14, and the fixed seat 13 is driven to move downwards through the threaded sleeve 12, so that the movable sleeve 15 is driven to move downwards on the guide rod 14 while the fixed seat 13 moves downwards, and the moving stability of the fixed seat 13 is improved.
The test tube 16 is tightly attached to the fixed seat 13, the test tube 16 is made of transparent heat-resistant glass, and the fixed seat 13 drives the test tube 16 to move downwards through the through hole 7, so that the test tube 16 drives the water outlet pipe 18 to move downwards through the fixed cover 21 connected with the balancing weight 20.
The water outlet pipe 18 is connected with the balancing weight 20 and the fixed cover 21, the fixed cover 21 is tightly attached to the sealing ring 22, the sealing ring 22 is attached to the permeable pavement for sealing, and meanwhile the balancing weight 20 is pressed on the fixed cover 21 to prevent water from flowing out from the space between the fixed cover 21 and the permeable pavement.
When the permeable pavement test device is used, a worker manually prepares water and edible blue material water and adds the water into the test cylinder 16 through the water inlet pipe 17, the test cylinder 16 is filled with the prepared light blue water, the scale is easy to identify in the cylinder, then the support seat 1 is pushed, each roller 2 drives the test cylinder 16 connected with the support seat 1 to move to the position of the permeable pavement to be tested, when the position of the permeable pavement to be tested is moved, the roller 2 drives the cleaning brush 6 at the bottom of the support seat 1 to be positioned at the position of the permeable pavement to be tested, meanwhile, the external control board is used for starting the rotary motor body 4, the output shaft of the rotary motor body 4 drives the rotary rod 5 to rotate in the support seat 1 through the bearing 3, so that the rotary rod 5 drives the cleaning brush 6 to clean dust or garbage on the permeable pavement to be tested, and after the permeable pavement is cleaned, the roller 2 drives the fixed cover 21 arranged in the supporting seat 1 to be positioned at the position of the permeable pavement, the external control panel starts the powerful motor body 10, so that the output shaft of the powerful motor body 10 drives the threaded rod 11 to rotate, the threaded rod 11 drives the threaded sleeve 12 to move downwards in the fixed plate 8 through the sliding groove 9, the threaded sleeve 12 drives the fixed seat 13 to move downwards, the fixed seat 13 moves downwards and simultaneously drives the movable sleeve 15 to move downwards on the guide rod 14, the stability of the movement of the fixed seat 13 is improved, the fixed seat 13 drives the test cylinder 16 to move downwards through the through hole 7, the test cylinder 16 drives the fixed cover 21 connected with the water outlet pipe 18 through the balancing weight 20 downwards, the sealing ring 22 connected with the fixed cover 21 is tightly attached to the permeable pavement, the sealing ring 22 is tightly attached to the permeable pavement, meanwhile, the balancing weight 20 is pressed on the fixed cover 21, the water-proof test device comprises a fixed cover 21, a water-permeable pavement, a control panel, an electromagnetic valve body 19, a water outlet pipe 18, a meter 23, a water meter and a water meter, wherein the water-proof test device is characterized in that the water-proof test device flows out from the space between the fixed cover 21 and the water-permeable pavement, the electromagnetic valve body 19 is started through the control panel, light blue water in the test cylinder 16 flows out through the water outlet pipe 18, when the water descends under water, workers make the meter 23 on the test cylinder 16 through transparent heat-resistant glass to confirm the water quantity, in the test process, if the water flows out from the space between the sealing rings 22 connected with the fixed cover 21, the road surface is uneven, the water-proof test device moves, and the water-permeable pavement is dried repeatedly, and retests, if the water-permeable pavement descends at a very slow speed, the water-permeable quantity is confirmed for one minute through the meter 23, if the water-proof meter 23 is observed to keep the water-proof basically in the test process.
The foregoing shows and describes the present utility model without limiting the embodiments described above, the above embodiments and the description are merely illustrative of the principles of the present utility model, and various changes and modifications can be made therein without departing from the spirit and scope of the utility model, which is defined by the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (6)
1. The utility model provides a permeable pavement test device which characterized in that: including supporting seat (1), the symmetry is provided with two gyro wheels (2) behind supporting seat (1), the top of supporting seat (1) one side is provided with rotates motor body (4), the output shaft of rotating motor body (4) passes through shaft coupling fixedly connected with dwang (5), the shaft coupling passes through bearing (3) and is connected with supporting seat (1) rotation, the bottom of dwang (5) is provided with cleaning brush (6), through-hole (7) have been seted up to the inner wall of supporting seat (1), fixed plate (8) are installed to the inner wall of supporting seat (1) one side, two spout (9) have been seted up to one side of fixed plate (8), the top of fixed plate (8) is provided with powerful motor body (10), the output shaft of powerful motor body (10) passes through shaft coupling fixedly connected with threaded rod (11), the bottom through fixed plate (8) and the outer wall cover of threaded rod (11) are equipped with thread bush (12), fixing base (13) are installed to one side of thread bush (12), fixed plate (8) inner wall (11) are close to one side of guide arm (14) and are installed out of a fixed base (16), a water inlet pipe (17) is arranged at the rear of the test cylinder (16), and a water outlet pipe (18) is arranged at the bottom of the test cylinder (16);
the front of outlet pipe (18) is provided with solenoid valve body (19), balancing weight (20) are installed through the bracing piece to the outer wall of experimental section of thick bamboo (16), the bottom of balancing weight (20) is provided with fixed cover (21), sealing washer (22) are installed to the bottom of fixed cover (21), the outer wall of experimental section of thick bamboo (16) is provided with trilateral strapping table (23).
2. The permeable pavement testing device according to claim 1, wherein: the rotating rod (5) and the supporting seat (1) form a rotating structure through the bearing (3), and the rotating rod (5) is fixedly connected with the cleaning brush (6).
3. The permeable pavement testing device according to claim 1, wherein: the threaded rod (11) is in threaded connection with the threaded sleeve (12), and the threaded sleeve (12) is in sliding connection with the sliding groove (9).
4. The permeable pavement testing device according to claim 1, wherein: the fixed seat (13) is fixedly connected with the threaded sleeve (12) and the movable sleeve (15), and the movable sleeve (15) is movably connected with the guide rod (14).
5. The permeable pavement testing device according to claim 1, wherein: the test cylinder (16) is tightly attached to the fixing seat (13), and the test cylinder (16) is made of transparent heat-resistant glass.
6. The permeable pavement testing device according to claim 1, wherein: the water outlet pipe (18) is connected with the balancing weight (20) and the fixed cover (21), and the fixed cover (21) is tightly attached to the sealing ring (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322097520.6U CN220473319U (en) | 2023-08-04 | 2023-08-04 | Permeable pavement test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322097520.6U CN220473319U (en) | 2023-08-04 | 2023-08-04 | Permeable pavement test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220473319U true CN220473319U (en) | 2024-02-09 |
Family
ID=89776405
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322097520.6U Active CN220473319U (en) | 2023-08-04 | 2023-08-04 | Permeable pavement test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220473319U (en) |
-
2023
- 2023-08-04 CN CN202322097520.6U patent/CN220473319U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN220473319U (en) | Permeable pavement test device | |
| CN110887773B (en) | Quick blade coating device of sealing material in bituminous paving infiltration coefficient test | |
| CN108708535A (en) | A kind of construction and decoration ceramic tile cement plastering equipment | |
| CN209968803U (en) | Water meter glass cover bonding device | |
| CN112502391B (en) | Crack-resistant construction process based on foamed concrete | |
| CN113252530B (en) | Road pavement asphalt construction infiltration detection device | |
| CN215263015U (en) | Waterproof detection device of water conservancy construction concrete test piece | |
| CN214622164U (en) | Novel concrete grit mud content measurement system | |
| CN208072147U (en) | A kind of road surface cement spreading device for municipal works | |
| CN209014337U (en) | A kind of environmental protection barreled industrial chemicals sampler | |
| CN208268959U (en) | A kind of street lamp of lamp stand capable of washing | |
| CN220983048U (en) | Bituminous paving water permeability detection device | |
| CN220954441U (en) | Plaster mortar's even device of wiping | |
| CN219468635U (en) | Adhesive storage box | |
| CN117250039B (en) | Inside sewage pH valve of concrete mixer truck detects sampling device | |
| CN220496464U (en) | Coating production line | |
| CN219545114U (en) | Bagging equipment with protective structure | |
| CN221143576U (en) | Building material's soaking device | |
| CN221038617U (en) | Pavement water seepage metering instrument | |
| CN220460590U (en) | Premixing device for processing clean fracturing fluid thickening agent | |
| CN220147709U (en) | High-efficiency filling machine for dry powder mortar | |
| CN220807956U (en) | Concrete mixer device for road and bridge | |
| CN219574109U (en) | Mobile platform for testing slump test of concrete | |
| CN216449438U (en) | Sample adding mechanism applied to chemiluminescence determinator | |
| CN219608779U (en) | Sample quantification quick-detecting equipment for food quality detection |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |