CN221199680U - Highway construction concrete quality detector - Google Patents
Highway construction concrete quality detector Download PDFInfo
- Publication number
- CN221199680U CN221199680U CN202322568201.9U CN202322568201U CN221199680U CN 221199680 U CN221199680 U CN 221199680U CN 202322568201 U CN202322568201 U CN 202322568201U CN 221199680 U CN221199680 U CN 221199680U
- Authority
- CN
- China
- Prior art keywords
- slump
- groups
- rod
- pouring
- concrete
- 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
- 238000010276 construction Methods 0.000 title claims abstract description 23
- 239000000463 material Substances 0.000 claims abstract description 18
- 230000002457 bidirectional effect Effects 0.000 claims description 11
- 238000003825 pressing Methods 0.000 claims description 10
- 238000003466 welding Methods 0.000 claims description 2
- 238000001514 detection method Methods 0.000 abstract description 11
- 230000000694 effects Effects 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 7
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 4
- 235000017491 Bambusa tulda Nutrition 0.000 description 4
- 241001330002 Bambuseae Species 0.000 description 4
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 4
- 239000011425 bamboo Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000005381 potential energy Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
Abstract
The utility model discloses a highway construction concrete quality detector, and belongs to the field of concrete quality detection equipment. A highway construction concrete quality detector comprising: the material placing plate is symmetrically provided with two groups of first sliding grooves, a slump expansion scale is arranged between the two groups of first sliding grooves, and a slump cylinder is arranged in the middle of the upper side of the slump expansion scale; according to the utility model, the cam, the spring and the pouring rod on the automatic tamping assembly are matched, the concrete used for pouring the highway in the slump cylinder can be filled through repeated automatic reciprocating pouring, the labor force during manual pouring is saved, meanwhile, the pouring efficiency and the pouring effect are improved, the temperature measuring needle is inserted into the concrete to detect whether the query index meets the requirement in advance, the pouring quality of the subsequent highway is ensured, and the slump and slump expansion of the concrete can be detected simultaneously by using the measuring assembly and the slump expansion scale, so that the detection efficiency is further improved.
Description
Technical Field
The utility model relates to the field of concrete quality detection equipment, in particular to a highway construction concrete quality detector.
Background
The concrete for highway construction is specially prepared for constructing traffic infrastructures such as highway pavement, bridges, tunnels and the like, has the characteristics of high strength, durability, freezing resistance and the like, can bear the influence of external factors such as vehicles, weather and the like, and generally needs to carry out quality detection on slump and molding temperature of the concrete in order to ensure that various performance indexes meet the standard requirements during casting of highway concrete.
Through retrieving, the patent with the bulletin number of CN219475611U, the name is a concrete slump detection device, and the supporting function of the device is convenient for be realized through the cooperation of the bottom plate, the scale support rod and the slump cylinder in the patent, the functionality of the device is improved, the direct operation from top to bottom is convenient, and the workload of taking the tamping rod by the movement of staff is reduced.
According to research and analysis, when the slump of the concrete is detected, the manual operation is needed to take the tamping rod manually to vibrate the concrete, so that the workload in the manual vibration process is relatively large, and the temperature control index of another important index of the concrete cannot be detected, so that the defects and defects of the prior art are needed to be improved.
Disclosure of utility model
The utility model aims to solve the problems that in the prior art, when the slump of concrete is detected, a tamping rod is needed to be manually taken to vibrate the concrete, the workload in the manual vibration process is still relatively large, and the temperature control index of another important index of the concrete cannot be detected, and provides a highway construction concrete quality detector.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
A highway construction concrete quality detector comprising: the automatic feeding device comprises a feeding plate, wherein two groups of first sliding grooves are symmetrically arranged on the upper side of the feeding plate, a slump expansion scale is arranged between the two groups of first sliding grooves, a slump cylinder is arranged in the middle of the upper side of the slump expansion scale, an electric telescopic rod is connected to the upper side of the first sliding grooves in a sliding mode through a first sliding block, a strip-shaped plate is fixed to the top of the electric telescopic rod through a bolt, second sliding grooves are formed in the strip-shaped plate, an automatic inserting and tamping assembly and a temperature measuring needle are sequentially connected to the second sliding grooves in a sliding mode, and the automatic inserting and tamping assembly and the temperature measuring needle are both located on the upper side of the slump cylinder; the upper side of putting the flitch is fixed with the measurement subassembly through the bolt, the measurement subassembly is located the axial outside of slump extension scale.
Further, four groups of foot spiral supports are arranged on the lower side of the material placing plate, the four groups of foot spiral supports are arranged in a central symmetry mode, and level bubbles are arranged on the upper side of the material placing plate.
Further, be provided with driving motor, the stick of pouring of inserting on the automatic subassembly of inserting, driving motor's power take off end is connected with the cam through the pivot, the top of the stick of pouring of inserting is through welded fastening has the press top, the press top is located under the cam, driving motor's bottom is connected with spacing section of thick bamboo through L template, L template sliding connection is in spout two, spacing section of thick bamboo cup joints in the axial outside of the stick of pouring of inserting.
Further, a spring is sleeved on the outer side of the axial direction of the reverse insertion rod, and the spring is located between the limiting cylinder and the pressing top.
Further, two sets of be provided with the clamping assembly between the electric telescopic handle, be used for right the axial outside of slump section of thick bamboo carries out fixed in position, be provided with two sets of hoops on the clamping assembly, the hoops pass through the bolt fastening in the axial outside of electric telescopic handle, two sets of rotate between the hoops and be connected with two-way lead screw, two sets of arc splint are passed through threaded connection in the axial outside of two-way lead screw, two sets of arc splint are located the axial outside of slump section of thick bamboo and are the symmetry setting, the tip of two-way lead screw is passed through the bolt fastening and is had the hand rocker.
Furthermore, a limiting rod is fixed between the two groups of hoops through bolts, and the limiting rod penetrates through the two groups of arc-shaped clamping plates in the horizontal direction and is in sliding connection with the arc-shaped clamping plates.
Through setting up the end position that a set of gag lever post runs through two sets of arc splint, can ensure that arc splint moves towards the horizontal direction under the drive of two-way lead screw, the gag lever post has played spacing effect for two sets of arc splint are unlikely to take place to rotate round two-way lead screw at the removal in-process.
Further, be provided with the round bar on the measuring assembly, the round bar passes through the bolt fastening and is put the upside of flitch, the axial outside of round bar has distributed the scale mark along vertical direction, the measuring staff has been cup jointed to the axial outside of round bar, the measuring staff is the horizontal direction and arranges.
After the concrete in the slump cylinder is inserted and poured, firstly, the clamping assembly is loosened to clamp the slump cylinder, then the electric telescopic rod is controlled to ascend, the automatic inserting and tamping assembly and the temperature measuring needle are enabled to ascend along with the automatic inserting and tamping assembly, the slump cylinder is vertically lifted and pulled out, the concrete is slumped, the measuring ruler on the rotary round rod is contacted with the top surface of the slump-finished concrete, the corresponding height value of the scale mark is read, the original height value of the concrete in the slump cylinder is combined, and the difference value of the two values is the value of the slump of the concrete to be detected.
Compared with the prior art, the utility model provides a highway construction concrete quality detector, which has the following beneficial effects:
1. According to the utility model, the automatic tamping assembly is matched with the cam, the spring and the tamping rod, so that the concrete for pouring the highway in the slump cylinder is filled through repeated automatic reciprocating tamping, the labor force during manual tamping is saved, and the tamping efficiency and the tamping effect are improved;
2. The temperature measuring needle on the sliding chute II is inserted into the concrete to detect the initial temperature value of the concrete, so that the influence on the road pouring quality caused by the fact that the temperature rise value, the temperature difference between the inner surface and the outer surface and the temperature difference between the surface and the atmosphere of the road concrete do not meet the standard requirements after the road concrete is poured can be prevented;
3. The slump and slump expansion degree of highway concrete can be detected simultaneously at one time by utilizing the cooperation of the measuring assembly and the slump expansion scale, convenience is provided for concrete quality detection, and detection efficiency is improved.
Drawings
FIG. 1 is a schematic diagram of a highway construction concrete quality detector according to the present utility model;
FIG. 2 is a schematic diagram showing a top view structure of a highway construction concrete quality detector according to the present utility model;
FIG. 3 is a schematic side view of a highway construction concrete quality detector according to the present utility model;
FIG. 4 is a schematic view of the structure of a strip-shaped plate part of a highway construction concrete quality detector according to the present utility model;
FIG. 5 is a schematic view of a clamping assembly of a highway construction concrete quality detector according to the present utility model;
fig. 6 is a schematic diagram of an automatic tamper assembly of a highway construction concrete quality detector according to the present utility model.
In the figure: 1. a material placing plate; 101. a foot screw support; 102. leveling the air bubbles; 2. a first chute; 3. an electric telescopic rod; 31. a first sliding block; 4. a strip-shaped plate; 41. a second chute; 5. an automatic tamping assembly; 51. a driving motor; 52. a rotating shaft; 53. a cam; 54. a limiting cylinder; 55. a spring; 56. pressing the roof; 57. an L-shaped plate; 58. inserting a pouring rod; 6. a temperature measuring needle; 7. a clamping assembly; 71. a ferrule; 72. a two-way screw rod; 73. a limit rod; 74. an arc clamping plate; 75. a hand rocker; 8. a slump barrel; 9. a measurement assembly; 91. a round bar; 92. scale marks; 93. a measuring ruler; 10. slump extension scale.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.
In the description of the present utility model, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
Examples:
Referring to fig. 1-6, a highway construction concrete quality detector, comprising: the automatic feeding device comprises a feeding plate 1, two groups of first sliding grooves 2 are symmetrically arranged on the upper side of the feeding plate 1, a slump expansion scale 10 is arranged between the two groups of first sliding grooves 2, a slump cylinder 8 is arranged in the middle of the upper side of the slump expansion scale 10, an electric telescopic rod 3 is slidably connected to the upper side of the first sliding grooves 2 through a first sliding block 31, a strip-shaped plate 4 is fixedly arranged on the top of the electric telescopic rod 3 through a bolt, second sliding grooves 41 are arranged on the strip-shaped plate 4, an automatic inserting and tamping assembly 5 and a temperature measuring needle 6 are sequentially slidably connected in the second sliding grooves 41, and the automatic inserting and tamping assembly 5 and the temperature measuring needle 6 are both positioned on the upper side of the slump cylinder 8; the upper side of the material placing plate 1 is fixedly provided with a measuring component 9 through a bolt, and the measuring component 9 is positioned on the outer side of the slump expansion scale 10 in the axial direction.
Working principle: when the automatic pouring device is used, firstly, the slump cylinder 8 is placed in the middle of the slump expansion scale 10 on the material placing plate 1, then the strip-shaped plate 4 on the electric telescopic rod 3 is slid to be placed on the upper side of the slump cylinder 8, the position of the outer side of the slump cylinder 8 is fixed by the clamping component 7, concrete for highway pouring is injected into the slump cylinder 8, then the temperature measuring needle 6 on the sliding chute II 41 is slid, the temperature measuring needle 6 is inserted into the concrete to detect the initial temperature value of the concrete, so that the temperature rise value, the inner surface temperature difference and the surface and the atmosphere temperature difference of the concrete after the highway pouring are prevented from being in accordance with the standard requirements, the highway pouring quality is prevented from being influenced, the automatic pouring component 5 is electrically connected with an external power supply, and the concrete in the slump cylinder 8 is completely poured by the up-down movement of the pouring rod 58; when the concrete in the slump cylinder 8 is inserted and poured, firstly, the clamping of the clamping assembly 7 to the slump cylinder 8 is released, then the electric telescopic rod 3 is controlled to ascend, the automatic inserting and tamping assembly 5 and the temperature measuring needle 6 are enabled to follow and ascend, the slump cylinder 8 is vertically lifted and pulled out, the concrete is slumped, the measuring ruler 93 on the rotary round rod 91 is contacted with the top surface of the slump finished concrete, the corresponding height value of the position of the scale mark 92 is read, the original height value of the concrete in the slump cylinder 8 is combined, the difference value of the two values is the value of the slump of the concrete to be detected, the field entering expansion is carried out after the slump, and the value corresponding to the contact position of the slump expansion scale 10 at the outermost side is the slump expansion of the concrete to be detected.
Four groups of foot spiral supports 101 are arranged on the lower side of the material placing plate 1, the four groups of foot spiral supports 101 are arranged in a central symmetry mode, and level bubbles 102 are arranged on the upper side of the material placing plate 1; as shown in fig. 3, when the flatness of the opposite material plate 1 is adjusted, the four sets of foot screw supports 101 at the lower side of the opposite material plate 1 can be rotated to make the air bubble in the level air bubble 102 be in a centered state, namely, the leveling work of the opposite material plate 1 is completed, the detection precision of the concrete slump detection and slump expansion detection on the opposite material plate 1 is improved, and the adverse effect caused by the uneven detection field is avoided.
The automatic tamping assembly 5 is provided with a driving motor 51 and a tamping rod 58, the power output end of the driving motor 51 is connected with a cam 53 through a rotating shaft 52, the top of the tamping rod 58 is fixedly provided with a pressing top 56 through welding, the pressing top 56 is positioned right below the cam 53, the bottom of the driving motor 51 is connected with a limiting cylinder 54 through an L-shaped plate 57, the L-shaped plate 57 is slidably connected in the sliding groove II 41, and the limiting cylinder 54 is sleeved on the outer side of the tamping rod 58 in the axial direction;
The axially outer side of the reverse insertion rod 58 is sleeved with a spring 55, and the spring 55 is positioned between the limiting cylinder 54 and the pressing top 56;
As shown in fig. 1 and 6, when the concrete in the slump cylinder 8 needs to be poured, the electric telescopic rod 3 and the driving motor 51 on the automatic inserting and tamping assembly 5 can be electrically connected with an external power supply, the electric telescopic rod 3 is controlled to be lifted and adjusted through an external switch according to the requirement, the automatic inserting and tamping assembly 5 and the temperature measuring needle 6 are further adjusted to be at the vertical height, the slump cylinder 8 is convenient to take and place freely, the driving motor 51 drives the cam 53 to rotate through the rotating shaft 52, the cam 53 can drive the pouring rod 58 to vertically move downwards in the limiting cylinder 54 after contacting the extrusion pressing top 56, the concrete in the slump cylinder 8 for pouring the highway is poured, the elastic potential energy accumulated by the spring 55 is the largest in the process of moving the pouring rod 58 to the lowest end, the cam 53 loosens the extrusion of the top surface of the pressing top 56, the spring 55 rebounds upwards to enable the pouring rod 58 to restore to the original position, accordingly, the concrete in the slump cylinder 8 is enabled to be filled by repeated insertion and pouring, and the labor force is saved, and the pouring efficiency is improved.
A clamping assembly 7 is arranged between the two groups of electric telescopic rods 3 and used for fixing the position of the outer side of the axial direction of the slump cylinder 8, two groups of hoops 71 are arranged on the clamping assembly 7, the hoops 71 are fixed on the outer side of the axial direction of the electric telescopic rods 3 through bolts, a bidirectional screw rod 72 is rotationally connected between the two groups of hoops 71, two groups of arc clamping plates 74 are connected on the outer side of the axial direction of the bidirectional screw rod 72 through threads, the two groups of arc clamping plates 74 are positioned on the outer side of the axial direction of the slump cylinder 8 and are symmetrically arranged, and hand-operated rods 75 are fixed at the end parts of the bidirectional screw rod 72 through bolts;
As shown in fig. 5, the manual rotation of the manual rocker 75 can drive the bidirectional screw rod 72 to rotate, and the bidirectional screw rod 72 drives the two groups of arc clamping plates 74 to move in opposite directions through threads in the rotation process of the bidirectional screw rod 72, so that the outer side of the slump cylinder 8 at the middle position of the upper part of the opposite material plate 1 is fixed, and the slump cylinder 8 is prevented from shifting in the process of pouring concrete.
A limiting rod 73 is fixed between the two groups of hoops 71 through bolts, and the limiting rod 73 penetrates through the two groups of arc clamping plates 74 in the horizontal direction and is in sliding connection with the arc clamping plates 74;
as shown in fig. 5, by arranging a set of limiting rods 73 penetrating through the end parts of the two sets of arc clamping plates 74, the arc clamping plates 74 can be ensured to move towards the horizontal direction under the driving of the bidirectional screw rod 72, and the limiting rods 73 play a limiting role, so that the two sets of arc clamping plates 74 cannot rotate around the bidirectional screw rod 72 in the moving process.
The measuring assembly 9 is provided with a round rod 91, the round rod 91 is fixed on the upper side of the material placing plate 1 through a bolt, graduation marks 92 are distributed on the outer axial side of the round rod 91 along the vertical direction, a measuring ruler 93 is sleeved on the outer axial side of the round rod 91, and the measuring ruler 93 is arranged in the horizontal direction;
As shown in fig. 3, after the concrete in the slump cylinder 8 is completely inserted, firstly, the clamping assembly 7 is released to clamp the slump cylinder 8, then the electric telescopic rod 3 is controlled to ascend, the automatic inserting and tamping assembly 5 and the temperature measuring needle 6 are enabled to ascend along with the ascending, the slump cylinder 8 is vertically lifted and pulled out, the concrete is slumped, the measuring ruler 93 on the rotary round rod 91 is contacted with the top surface of the slump-finished concrete, and the value of the original height of the concrete in the slump cylinder 8 is known by reading the value of the corresponding height of the graduation mark 92, and the difference value of the value and the value of the original height of the concrete is the value of the slump of the concrete to be detected.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (7)
1. A highway construction concrete quality detector, comprising: the automatic feeding device comprises a feeding plate (1), wherein two groups of first sliding grooves (2) are symmetrically arranged on the upper side of the feeding plate (1), a slump expansion scale (10) is arranged between the two groups of first sliding grooves (2), a slump barrel (8) is arranged in the middle of the upper side of the slump expansion scale (10), an electric telescopic rod (3) is slidably connected to the upper side of the first sliding grooves (2) through a first sliding block (31), a strip-shaped plate (4) is fixedly arranged on the top of the electric telescopic rod (3) through a bolt, a second sliding groove (41) is arranged on the strip-shaped plate (4), an automatic inserting and tamping assembly (5) and a temperature measuring needle (6) are sequentially and slidably connected in the second sliding groove (41), and the automatic inserting and tamping assembly (5) and the temperature measuring needle (6) are both positioned on the upper side of the slump barrel (8);
the upper side of the material placing plate (1) is fixedly provided with a measuring assembly (9) through a bolt, and the measuring assembly (9) is positioned on the outer axial side of the slump expansion scale (10).
2. The highway construction concrete quality detector according to claim 1, wherein four groups of foot screw supports (101) are arranged on the lower side of the material placing plate (1), the four groups of foot screw supports (101) are arranged in a central symmetry mode, and level bubbles (102) are arranged on the upper side of the material placing plate (1).
3. The highway construction concrete quality detector according to claim 1, wherein a driving motor (51) and an inserting and pouring rod (58) are arranged on the automatic inserting and pouring assembly (5), a cam (53) is connected to a power output end of the driving motor (51) through a rotating shaft (52), a pressing top (56) is fixedly arranged at the top of the inserting and pouring rod (58) through welding, the pressing top (56) is located right below the cam (53), a limiting cylinder (54) is connected to the bottom of the driving motor (51) through an L-shaped plate (57), the L-shaped plate (57) is connected to the inside of a sliding groove II (41) in a sliding mode, and the limiting cylinder (54) is sleeved on the outer side of the inserting and pouring rod (58) in the axial direction.
4. A highway construction concrete quality detector according to claim 3, characterized in that the axially outer side of the plug rod (58) is sleeved with a spring (55), the spring (55) being located between the limiting cylinder (54) and the pressing top (56).
5. The highway construction concrete quality detector according to claim 1, wherein a clamping assembly (7) is arranged between the two groups of electric telescopic rods (3) and used for fixing the position of the outer side of the slump cylinder (8), two groups of hoops (71) are arranged on the clamping assembly (7), the hoops (71) are fixed on the outer side of the electric telescopic rods (3) through bolts, a bidirectional screw rod (72) is rotationally connected between the two groups of hoops (71), two groups of arc clamping plates (74) are connected on the outer side of the bidirectional screw rod (72) in the axial direction through threads, the two groups of arc clamping plates (74) are arranged on the outer side of the slump cylinder (8) in a symmetrical mode, and hand rocking rods (75) are fixed on the end portions of the bidirectional screw rod (72) through bolts.
6. The highway construction concrete quality detector according to claim 5, wherein a limiting rod (73) is fixed between two groups of hoops (71) through bolts, and the limiting rod (73) penetrates through two groups of arc-shaped clamping plates (74) in the horizontal direction and is in sliding connection with the arc-shaped clamping plates (74).
7. The highway construction concrete quality detector according to claim 1, wherein a round rod (91) is arranged on the measuring component (9), the round rod (91) is fixed on the upper side of the material placing plate (1) through a bolt, scale marks (92) are distributed on the outer axial side of the round rod (91) along the vertical direction, a measuring ruler (93) is sleeved on the outer axial side of the round rod (91), and the measuring ruler (93) is arranged in the horizontal direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322568201.9U CN221199680U (en) | 2023-09-20 | 2023-09-20 | Highway construction concrete quality detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322568201.9U CN221199680U (en) | 2023-09-20 | 2023-09-20 | Highway construction concrete quality detector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221199680U true CN221199680U (en) | 2024-06-21 |
Family
ID=91488169
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322568201.9U Active CN221199680U (en) | 2023-09-20 | 2023-09-20 | Highway construction concrete quality detector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221199680U (en) |
-
2023
- 2023-09-20 CN CN202322568201.9U patent/CN221199680U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN212255334U (en) | Cement concrete slump detection device | |
| CN211856244U (en) | A sampling device for road bed compactness detects | |
| CN220730215U (en) | Concrete slump experimental mechanism for constructional engineering | |
| CN218956260U (en) | Asphalt concrete elastic modulus measuring device | |
| CN116625196B (en) | Lifting detection equipment for lifting column of parking lot | |
| CN220279124U (en) | Full-automatic digital display double-end-face grinding machine | |
| CN218994965U (en) | Concrete quality safety detection device for house building | |
| CN215593952U (en) | Highway engineering road bed compactness check out test set | |
| CN217278362U (en) | On-spot concrete quality detection device of building engineering | |
| CN221803560U (en) | A device for making and measuring the surface roughness of concrete samples by sand filling method | |
| CN219934940U (en) | Hydraulic engineering dam subsides monitoring devices | |
| CN223361314U (en) | A device for measuring thickness of roadbed compaction layer | |
| CN218896026U (en) | Mortar fluidity testing device | |
| CN218036071U (en) | Building construction concrete intensity detection device | |
| CN210180868U (en) | Slump detection device | |
| CN224152252U (en) | A compressive strength tester for municipal roads and bridges | |
| CN222435009U (en) | A slope measuring device for highway construction | |
| CN218726235U (en) | An intelligent subgrade compactness detection device | |
| CN216410958U (en) | Auxiliary device for highway detection resiliometer | |
| CN212110682U (en) | Sampling device for concrete detection | |
| CN219174953U (en) | Equipment for improving highway engineering detection efficiency | |
| CN223295701U (en) | On-site coring equipment for silt gelled solidified filler | |
| CN216132852U (en) | Reinforcing bar bending strength detection device | |
| CN221123253U (en) | Highway thickness detection device | |
| CN220932701U (en) | A concrete consistency detection device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |