CN209923897U - Mountain area highway fills road bed compactness detection device - Google Patents

Mountain area highway fills road bed compactness detection device Download PDF

Info

Publication number
CN209923897U
CN209923897U CN201920354419.5U CN201920354419U CN209923897U CN 209923897 U CN209923897 U CN 209923897U CN 201920354419 U CN201920354419 U CN 201920354419U CN 209923897 U CN209923897 U CN 209923897U
Authority
CN
China
Prior art keywords
plate
motor
sliding
bottom plate
detection device
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.)
Expired - Fee Related
Application number
CN201920354419.5U
Other languages
Chinese (zh)
Inventor
金顺利
王士振
潘俊杰
袁子文
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China Railway 24th Bureau Group Co Ltd
Jiangsu Engineering Co Ltd of China Railway 24th Bureau Group Co Ltd
Original Assignee
China Railway 24th Bureau Group Co Ltd
Jiangsu Engineering Co Ltd of China Railway 24th Bureau Group Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by China Railway 24th Bureau Group Co Ltd, Jiangsu Engineering Co Ltd of China Railway 24th Bureau Group Co Ltd filed Critical China Railway 24th Bureau Group Co Ltd
Priority to CN201920354419.5U priority Critical patent/CN209923897U/en
Application granted granted Critical
Publication of CN209923897U publication Critical patent/CN209923897U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Road Repair (AREA)

Abstract

The utility model discloses a mountain highway fills road bed compactness detection device, use in filling road bed detection device field, solved the slow technical problem of road bed compactness detection, its technical scheme main points are including bottom plate and a sand filling section of thick bamboo, the vertical stand that is equipped with on the bottom plate, slide on the stand and be connected with the slide, be fixed with first motor on the slide, can dismantle on the output shaft of first motor and be connected with the trompil jar, the upper end of stand is equipped with the fixed plate, it has the screw rod to rotate along vertical direction on the fixed plate, the slide with screw rod threaded connection, be equipped with the slide rail on the bottom plate, the lower extreme of branch slides and connects in the slide rail, extend the connecting plate along the length direction of slide rail on the fixed plate, the sand filling section of thick bamboo can dismantle and connect on the connecting plate; the automatic punching machine has the technical effect that holes can be automatically punched on the roadbed, so that the compactness of the roadbed can be conveniently and quickly measured.

Description

Mountain area highway fills road bed compactness detection device
Technical Field
The utility model relates to a fill road bed detection device field, more specifically say, it relates to a mountain area highway fills road bed compactness detection device.
Background
The requirement of the highway is higher than that of an ordinary highway, the supporting strength of the highway depends on the structure of a roadbed, the strength, rigidity, stability and flatness of a road surface can be ensured only by fully compacting the roadbed, the roadbed of the highway is higher than the ground level, so that layered filling and compaction are needed, and the compaction degree can be further constructed after the compaction degree is detected to be qualified. The most common method for measuring the compactness in the construction of highway subgrade is a pit digging and sand filling method.
At present, holes are manually formed in a roadbed in the existing detection method, and during the hole forming process, workers hold a shovel and a hammer to form holes in the roadbed, so that the detection speed is slow, and the labor intensity of the workers is increased. In view of the above, there is a need for a device for rapidly drilling a road base and detecting compaction.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims to provide a mountain area highway fills road bed compactness detection device, its advantage is, the compactness that can automated inspection fill road bed.
The above technical purpose of the present invention can be achieved by the following technical solutions: the utility model provides a mountain area highway fills road bed compactness detection device, includes the bottom plate and irritates a sand section of thick bamboo, the vertical stand that is equipped with on the bottom plate, it is connected with the slide to slide on the stand, be fixed with first motor on the slide, can dismantle on the output shaft of first motor and be connected with the trompil jar, the upper end of stand is equipped with the fixed plate, it has the screw rod to rotate along vertical direction on the fixed plate, the slide with screw rod threaded connection, be equipped with the slide rail on the bottom plate, the lower extreme of stand slides and connects in the slide rail, follow on the fixed plate the length direction of slide rail extends the connecting plate, irritate a sand section of thick bamboo and can dismantle the connection.
Through above-mentioned technical scheme, first motor is used for driving the trompil jar and rotates, and slide threaded connection is on the screw rod. When the first motor drives the perforated tank to rotate, the screw rod is rotated at the moment, so that the sliding plate slides on the screw rod, the perforated tank is deep into the roadbed, and holes are further formed in the roadbed; when the depth of the drilled hole reaches a set vertical value, the screw rod is rotated in the direction to drive the perforated tank to ascend; and then horizontally sliding the upright column to separate the perforated tank from the holes on the roadbed, further aligning the sand filling cylinder with the holes, and then starting sand filling to measure the volume and mass of the sand and the mass ratio of the measured volume and mass to the taken soil, thereby measuring the compaction degree of the roadbed.
The utility model discloses further set up to: the upper end of trompil jar is equipped with square post, be equipped with on the output shaft of first motor with square post complex adapter sleeve, the upper end of square post is equipped with the blind hole along the length direction of trompil jar, along the perpendicular to on the square post the axial direction of trompil jar is equipped with the through-hole that link up, it is connected with two T shape posts, two to slide in the through-hole be equipped with the pressure spring between the T shape post, set up on the adapter sleeve with the spacing hole of T shape post complex.
Through above-mentioned technical scheme, the connection can be dismantled on first motor to the trompil jar is convenient for take out earth in the trompil jar, works as square post cooperation in the adapter sleeve, effectively prevents to skid between adapter sleeve and the square post. The square column is connected with the T-shaped column in a sliding mode along the radial direction of the opening tank, and when the T-shaped column is simultaneously inserted into the connecting sleeve and the square column, the opening tank cannot be separated from the connecting sleeve. When needs dismantle the trompil jar, touch and press T shape post for T shape post and adapter sleeve break away from, thereby the convenience is with the quick dismantlement of trompil jar get off.
The utility model discloses further set up to: the connecting sleeve is characterized in that a guide rod is arranged on the side wall of the connecting sleeve along the sliding direction of the T-shaped column, two ends of the guide rod are connected with a pressing plate in a sliding mode, and a convex block is arranged at the position, located on the T-shaped column, of the pressing plate.
Through above-mentioned technical scheme, the clamp plate slides and connects on the guide bar, and the lug is fixed on the clamp plate and the lug aligns the direction of T shape post. When the pressing plate is pressed, the convex block pushes the T-shaped column, so that the T-shaped column is conveniently and quickly separated from the connecting sleeve.
The utility model discloses further set up to: the guide rod is sleeved with a spring, and two ends of the spring are respectively abutted to the pressing plate and the connecting sleeve.
Through above-mentioned technical scheme, the spring is used for contradicting the clamp plate for clamp plate and connection separation, thereby avoid the trompil jar at the in-process that punches, T shape post is pressed down in the clamp plate touch, makes trompil jar and first motor separation.
The utility model discloses further set up to: and a second motor is arranged on one side of the screw rod, gears which are meshed with each other are arranged on an output shaft of the second motor and the screw rod, and the second motor is fixed on the fixing plate.
Through above-mentioned technical scheme, the second motor is used for the drive screw to rotate to avoid artifical the rotating, further save the labour, improve the speed of punching.
The utility model discloses further set up to: the lower extreme of stand is equipped with the reinforcing plate, the reinforcing plate slides and connects in the slide rail, be equipped with the fixed block on the bottom plate, it has the gag lever post to articulate on the fixed block, be equipped with on the gag lever post with the fixture block of stand complex U-shaped.
Through above-mentioned technical scheme, the gag lever post articulates on the bottom plate for fixed stand prevents the in-process that punches, and the position of stand changes. The slide rail plays the effect of direction to make the stand slide in the slide rail, can not deviate from the direction.
The utility model discloses further set up to: the bottom plate is provided with a supporting plate, the supporting plate is provided with a rotating shaft, and the rotating shaft is provided with a rotating wheel.
Through above-mentioned technical scheme, because the road bed is very long, need beat a plurality of holes, the setting up of runner makes things convenient for the bottom plate to remove to make the bottom plate can be quick remove next place.
The utility model discloses further set up to: the supporting plate is provided with a strip-shaped groove along the vertical direction, a square sliding sleeve is arranged in the strip-shaped groove, the rotating shaft is rotatably connected in the sliding sleeve, and the supporting plate is horizontally connected with a stop lever in a sliding manner.
Through the technical scheme, when the sliding sleeve is positioned at the lower end of the strip-shaped groove, the rotating wheel firstly contacts the ground, so that the bottom plate can conveniently move; when the sliding sleeve is located the upper end in bar groove, the bottom plate contacted ground earlier this moment for the bottom plate can not remove in the process of punching, improves the straightness that hangs down that punches. The function of the stop lever is that the idle sliding sleeve moves upwards.
To sum up, the utility model discloses following beneficial effect has:
1. the first motor and the second motor can be arranged to automatically punch, so that the punching efficiency is improved;
2. the bottom plate is convenient to move due to the arrangement of the rotating wheels.
Drawings
Fig. 1 is an overall configuration diagram of the present embodiment.
Fig. 2 is a schematic view of a connection structure of the perforated tank and the first motor of the present embodiment.
Fig. 3 is an enlarged view of a in fig. 2.
Fig. 4 is a schematic view of a connection structure of the slide rail and the pillar according to the embodiment.
Fig. 5 is a schematic view of the connection structure of the rotary wheel and the support plate of the present embodiment.
Reference numerals: 1. a base plate; 11. filling a sand cylinder; 12. a slide rail; 13. a fixed block; 14. a limiting rod; 15. a clamping block; 16. a connecting plate; 17. a vertical rod; 18. hooping; 2. opening a hole; 21. a square column; 22. blind holes; 23. a T-shaped column; 24. a pressure spring; 25. a through hole; 3. a column; 31. a fixing plate; 32. a slide plate; 33. a screw; 34. a second motor; 35. a gear; 36. a reinforcing plate; 4. a first motor; 41. connecting sleeves; 42. a limiting hole; 43. a guide bar; 44. pressing a plate; 45. a bump; 46. a spring; 5. a rotating wheel; 51. a support plate; 52. a strip-shaped groove; 53. a sliding sleeve; 54. a rotating shaft; 55. a flange; 56. a stop lever; 57. and a limit rail.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Example (b): referring to fig. 1, a mountain highway fills road bed compactness detection device, including bottom plate 1, trompil jar 2, be located the sand filling section of thick bamboo 11 of trompil jar 2 one side, at the vertical stand 3 that sets up in the both sides of trompil jar 2, top installation fixed plate 31 on stand 3, the lower extreme that lies in fixed plate 31 on stand 3 slides and is connected with slide 32, be fixed with first motor 4 on slide 32, the output shaft of first motor 4 is connected with the upper end of trompil jar 2, first motor 4 is used for driving the rotation of trompil jar 2. A screw 33 is rotatably connected to the fixed plate 31, and the screw 33 is screwed to the slide plate 32. When the first motor 4 drives the perforated tank 2 to rotate, the screw 33 is rotated at this time, so that the sliding plate 32 slides downwards on the screw 33, thereby making the perforated tank 2 go deep into the soil, and further making the soil enter the perforated tank 2. When the perforated tank 2 is lowered to a certain depth, the screw 33 is rotated in a reverse direction, so that the screw 33 slides up the slide plate 32, thereby leaving a hole in the road base. At this time, the perforated tank 2 is moved, the sand filling cylinder 11 is moved to the position of the hole, sand in the sand filling cylinder 11 is poured into the hole, and the volume and the mass of the sand are measured and compared with the mass of the taken-out soil, so that the compaction degree of the roadbed is measured.
Referring to fig. 2 and 3, fixedly connected with adapter sleeve 41 on the output shaft of first motor 4 sets up square post 21 in the upper end of trompil jar 2, and square post 21 card is dismantled and is connected at adapter sleeve 41 to the convenience is dismantled trompil jar 2 from first motor 4 and is got off, further conveniently pours out the earth in the trompil jar 2. Set up blind hole 22 along the axial direction of trompil jar 2 in square post 21 upper end, set up through-hole 25 along the radial direction of trompil jar 2 on square post 21, through-hole 25 and blind hole 22 intercommunication, two T shape posts 23 are connected in the through-hole 25 mirror image slip, set up the spacing hole 42 with the butt joint of through-hole 25 on adapter sleeve 41. When the T-shaped column 23 is plugged into the connecting sleeve 41 and the square column 21, the open-cell tank 2 cannot be separated from the connecting sleeve 41. When the perforated tank 2 needs to be disassembled, the T-shaped column 23 is pressed, so that the T-shaped column 23 and the connecting sleeve 41 are separated, and the perforated tank 2 is conveniently and quickly disassembled.
Referring to fig. 3, a compression spring 24 is provided between the T-shaped posts 23. When the T-shaped column 23 is pressed, the compression spring 24 is pressed at this time, so that the T-shaped column 23 is connected in the through hole 25 and the limiting hole 42, the T-shaped column 23 is prevented from being separated from the connecting sleeve 41 under the vibration of the first motor 4, and the square column 21 and the connecting sleeve 41 are further prevented from being separated.
Referring to fig. 2 and 3, a guide rod 43 is horizontally welded on the connecting sleeve 41, a pressing plate 44 is connected on the guide rod 43 in a sliding manner, a lug 45 is arranged on the pressing plate 44, and the lug 45 is butted with the T-shaped column 23. When the pressing plate 44 is pressed, the pressing plate 44 slides on the guide rod 43 at the moment, so that the projection 45 presses the T-shaped column 23, the T-shaped column 23 is separated from the connecting sleeve 41, and the square column 21 and the connecting sleeve 41 are separated quickly. The guide post 43 is sleeved with a spring 46, and two ends of the spring 46 respectively abut against the connecting sleeve 41 and the pressing plate 44. The spring 46 prevents the pressing plate 44 from pressing the T-shaped column 23 under other external force conditions, and ensures the firmness between the square column 21 and the connecting sleeve 41.
Referring to fig. 1 and 4, a second motor 34 is embedded on the fixing plate 31, a gear 35 engaged with each other is arranged between the second motor 34 and the screw 33, and the second motor 34 is used for automatically driving the gear 35 to rotate, and further driving the screw 33 to rotate, so as to realize that the sliding plate 32 automatically controls to slide up and down on the upright post 3. The lower end of the upright post 3 is provided with a reinforcing plate 36, the bottom plate 1 is provided with a slide rail 12, and the reinforcing plate 36 is connected in the slide rail 12 in a sliding way. A connecting plate 16 extends out of the fixing plate 31 horizontally, a vertical rod 17 is arranged on the connecting plate 16, a hoop 18 is arranged on the vertical rod 17, and the sand filling cylinder 11 is detachably connected to the hoop 18. When the upright post 3 slides, the upright post 3 slides along the length direction of the slide rail 12, and the slide rail 12 plays a role in guiding and limiting the upright post 3; the fixing plate 31 drives the sand filling cylinder 11 to move synchronously through the connecting plate.
Referring to fig. 4, a fixing block 13 is disposed on the bottom plate 1, a limiting rod 14 is hinged to the fixing block 13, a U-shaped block 15 is disposed on the limiting rod 14, and the limiting rod 14 is disposed along a direction perpendicular to the slide rail 12. When the clamping block 15 is clamped on the upright post 3, the upright post 3 is limited to move along the length direction of the sliding rail 12. Thereby ensuring that the position of the upright post 3 cannot move in the process of punching.
Referring to fig. 5, a support plate 51 is disposed on the bottom plate 1 along the vertical direction, a square strip-shaped groove 52 is disposed on the support plate 51 along the vertical direction, a sliding sleeve 53 is slidably connected in the strip-shaped groove 52, a rotating shaft 54 is rotatably connected in the sliding sleeve 53, and a rotating wheel 5 is disposed on the rotating shaft 54. When the sliding sleeve 53 is positioned at the lower end of the strip-shaped groove 52, the rotating wheel 5 firstly contacts the ground, so that the bottom plate 1 can move conveniently; when the sliding sleeve 53 is located at the upper end of the strip-shaped groove 52, the bottom plate 1 contacts with the ground at the moment, so that the bottom plate 1 cannot move in the punching process, and the punching perpendicularity is improved.
Referring to fig. 5, square flanges 55 are provided on both sides of the sliding sleeve 53 at the support plate 51, and the flanges 55 prevent the sliding sleeve 53 from being separated from the strip-shaped groove 52. Set up pin 56 along the horizontal direction on backup pad 51, when sliding sleeve 53 was located the lower extreme of bar groove 52, horizontal slip pin 56 this moment for pin 56 contradicts at the upper surface of flange 55, thereby restriction sliding sleeve 53 upwards slides, further makes the in-process of moving bottom plate 1, runner 5 contacts all the time on the face earlier. The support plate 51 is further provided with a limit rail 57, the stop lever 56 is connected in the limit rail 57 in a sliding manner, and the limit rail 57 limits the stop lever 56 to only slide in the horizontal direction.
The action process is as follows: firstly, moving the bottom plate 1 to a roadbed, and then separating the rotating wheels 5 from a roadbed surface; then, starting the first motor 4 and the second motor 34 to enable the hole-forming tank 2 to form holes in the roadbed; moving the upright post 3 to enable the sand filling cylinder 11 to be aligned to the hole on the roadbed, starting to pour sand and measuring and recording data; finally the base plate 1 is moved to the next measurement.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims (8)

1. The device for detecting the compaction degree of the filling roadbed of the highway in the mountainous area comprises a bottom plate (1) and a sand filling cylinder (11), and is characterized in that a stand column (3) is vertically arranged on the bottom plate (1), a sliding plate (32) is connected on the stand column (3) in a sliding manner, a first motor (4) is fixed on the sliding plate (32), an open hole tank (2) is detachably connected on an output shaft of the first motor (4), a fixing plate (31) is arranged at the upper end of the stand column (3), a screw rod (33) is arranged on the fixing plate (31) in a rotating manner along the vertical direction, the sliding plate (32) is in threaded connection with the screw rod (33), a sliding rail (12) is arranged on the bottom plate (1), the lower end of the stand column (3) is connected in the sliding rail (12) in a sliding manner, a connecting plate (16) extends out of the fixing plate (, the sand filling cylinder (11) is detachably connected to the connecting plate (16).
2. The mountain highway fill subgrade compactness detection device of claim 1, characterized in that, the upper end of trompil jar (2) is equipped with square post (21), be equipped with on the output shaft of first motor (4) with square post (21) complex adapter sleeve (41), the upper end of square post (21) is equipped with blind hole (22) along the length direction of trompil jar (2), be equipped with through-hole (25) along the perpendicular to on square post (21) the axial direction of trompil jar (2), it is connected with two T shape posts (23) to slide in through-hole (25), two be equipped with pressure spring (24) between T shape post (23), seted up on adapter sleeve (41) with spacing hole (42) of T shape post (23) complex.
3. The mountain expressway packing roadbed compactness detecting device according to claim 2, wherein a guide rod (43) is arranged on the side wall of the connecting sleeve (41) along the sliding direction of the T-shaped column (23), two ends of the guide rod (43) are connected with a pressing plate (44) in a sliding manner, and a convex block (45) is arranged on the position, located on the T-shaped column (23), of the pressing plate (44).
4. The mountain highway fill subgrade compactness detection device according to claim 3, characterized in that a spring (46) is sleeved on the guide rod (43), and two ends of the spring (46) respectively abut against the pressure plate (44) and the connecting sleeve (41).
5. The mountain highway fill subgrade compactness detecting device according to claim 1, characterized in that a second motor (34) is arranged on one side of the screw rod (33), a gear (35) meshed with each other is arranged on an output shaft of the second motor (34) and the screw rod (33), and the second motor (34) is fixed on the fixing plate (31).
6. The mountain expressway packing roadbed compactness detecting device according to claim 5, wherein a reinforcing plate (36) is arranged at the lower end of the upright column (3), the reinforcing plate (36) is connected in the sliding rail (12) in a sliding manner, a fixing block (13) is arranged on the bottom plate (1), a limiting rod (14) is hinged to the fixing block (13), and a U-shaped clamping block (15) matched with the upright column (3) is arranged on the limiting rod (14).
7. The mountain highway fill subgrade compactness detection device according to claim 1, characterized in that a support plate (51) is arranged on the bottom plate (1), a rotating shaft (54) is arranged on the support plate (51), and a rotating wheel (5) is arranged on the rotating shaft (54).
8. The mountain highway fill subgrade compactness detection device according to claim 7, characterized in that a strip-shaped groove (52) is formed in the support plate (51) along the vertical direction, a square sliding sleeve (53) is arranged in the strip-shaped groove (52), the rotating shaft (54) is rotatably connected in the sliding sleeve (53), and a stop lever (56) is horizontally connected to the support plate (51) in a sliding manner.
CN201920354419.5U 2019-03-19 2019-03-19 Mountain area highway fills road bed compactness detection device Expired - Fee Related CN209923897U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201920354419.5U CN209923897U (en) 2019-03-19 2019-03-19 Mountain area highway fills road bed compactness detection device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201920354419.5U CN209923897U (en) 2019-03-19 2019-03-19 Mountain area highway fills road bed compactness detection device

Publications (1)

Publication Number Publication Date
CN209923897U true CN209923897U (en) 2020-01-10

Family

ID=69069964

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201920354419.5U Expired - Fee Related CN209923897U (en) 2019-03-19 2019-03-19 Mountain area highway fills road bed compactness detection device

Country Status (1)

Country Link
CN (1) CN209923897U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112229760A (en) * 2020-09-14 2021-01-15 河南工程学院 Automatic sand filling instrument for measuring density of roadbed
CN112945621A (en) * 2021-03-18 2021-06-11 孙娇娜 Be used for road bed road surface compactness detection device
CN113481957A (en) * 2021-06-07 2021-10-08 中铁十九局集团有限公司 Drilling and digging machine for detecting roadbed compactness

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112229760A (en) * 2020-09-14 2021-01-15 河南工程学院 Automatic sand filling instrument for measuring density of roadbed
CN112229760B (en) * 2020-09-14 2024-01-12 河南工程学院 Automatic sand filling instrument for measuring compactness of roadbed
CN112945621A (en) * 2021-03-18 2021-06-11 孙娇娜 Be used for road bed road surface compactness detection device
CN112945621B (en) * 2021-03-18 2024-01-19 孙娇娜 Be used for road subgrade road surface compactness detection device
CN113481957A (en) * 2021-06-07 2021-10-08 中铁十九局集团有限公司 Drilling and digging machine for detecting roadbed compactness

Similar Documents

Publication Publication Date Title
CN209923897U (en) Mountain area highway fills road bed compactness detection device
CN105928791B (en) Rock mass interlayer weak intercalated layer base sample sample field direct shear test method
CN112162087B (en) Detection device configured in construction laboratory
CN116289472B (en) Pavement thickness detection device
CN116877109A (en) Pile drilling machine tool for reinforcing weak foundation in tunnel
CN209412801U (en) Detection device for management Subgrade Compaction
CN114961613B (en) Rock core sampling device for geotechnical engineering investigation
CN214737450U (en) Installation positioning device of bent cap stand column for bridge
CN115754256A (en) Concrete slump detection device
CN211973448U (en) Building compactness sampling device for ground
CN206740549U (en) A kind of experiment boxshear apparatus
CN212175732U (en) Soil material collecting device for soil test
CN109030247B (en) Sealant fatigue test device
CN212052203U (en) Compaction device that road construction used
CN117846003B (en) Foundation pile for highway bridge and use method
CN221118578U (en) Bored concrete pile concrete superfilling height detection device
CN215217435U (en) Device for detecting thickness of sediment at bottom of cast-in-place bored pile
CN216275579U (en) Highway engineering road bed compactness check out test set
CN209989849U (en) Concrete bored concrete pile bearing capacity detection device
CN220365361U (en) Support frame for building demolition
CN214783106U (en) Stable-in-use highway tamping device for highway engineering
CN215767769U (en) Highway detects with sampling device that punches
CN218027672U (en) Plug-in long screw pile machine for piling and preventing soil falling
CN216197827U (en) Highway bridge tunnel is with detecting perforating device
CN114636581B (en) Karst region building simulation device and detection method

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20200110