CN109357668A - A kind of civil engineering measuring instrument device - Google Patents
A kind of civil engineering measuring instrument device Download PDFInfo
- Publication number
- CN109357668A CN109357668A CN201811319471.3A CN201811319471A CN109357668A CN 109357668 A CN109357668 A CN 109357668A CN 201811319471 A CN201811319471 A CN 201811319471A CN 109357668 A CN109357668 A CN 109357668A
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- Prior art keywords
- measuring instrument
- soil
- civil engineering
- instrument
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C15/00—Surveying instruments or accessories not provided for in groups G01C1/00 - G01C13/00
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/04—Devices for withdrawing samples in the solid state, e.g. by cutting
- G01N1/08—Devices for withdrawing samples in the solid state, e.g. by cutting involving an extracting tool, e.g. core bit
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- General Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Sampling And Sample Adjustment (AREA)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
The present invention provides a kind of civil engineering measuring instrument device, belong to technical field of civil engineering, including cabinet, box house side wall is equipped with clamping device, is equipped with screw rod, screw lower end connecting partition in the middle part of cabinet, upper end connects top of the box, screw rod surface activity connects support plate, and measuring instrument is equipped with above support plate, and partition lower surface is equipped with soil analysis instrument.The present apparatus can protect instrument, avoid damage instrument, improve accuracy, the stability of apparatus measures, prolong the service life, while detection can be also sampled to soil property.
Description
Technical field
The invention belongs to field of civil engineering, and in particular to a kind of civil engineering measuring instrument device.
Background technique
Society life in, the application range of civil engineering is boundless, it both referred to applied material, equipment and
The technical activities such as the exploration, design, construction, maintenance, the maintenance that are carried out also refer to the object of engineering construction, that is, build on the ground or
In underground, land or water, be directly or indirectly human lives, production, military affairs, Scientific Research Service various job facilities, such as room
Room, road, railway, pipeline, tunnel, bridge, canal, dykes and dams, harbour, power station, airport, ocean platform, water supply and drainage and
Protection works etc..In the construction process many subtle structural wrong (such as cracks and roughness) may lead to it is serious after
Fruit often uses measuring instrument instrument during Construction of Civil Engineering, but existing measuring instrument is cumbersome, individual
Greatly, inconvenient to carry, and need through contact type measurement, measurement has a single function, and is not easy to the numerical value observed and measured, increases construction
The workload of personnel, it is difficult to guarantee the quality of construction.
Summary of the invention
The purpose of the present invention is to provide a kind of civil engineering measuring instrument devices, can protect to instrument, avoid outer
Power damages instrument, improves accuracy, the stability of apparatus measures, prolongs the service life, while can also be sampled inspection to soil property
It surveys.
The technical solution that the present invention is taken to achieve the above object are as follows: a kind of civil engineering measuring instrument device, including
Cabinet, box house side wall are equipped with clamping device, are equipped with screw rod, screw lower end connecting partition, upper end connecting box in the middle part of cabinet
At the top of body, screw rod surface activity connects support plate, and measuring instrument is equipped with above support plate, and partition lower surface is equipped with soil analysis
Instrument.Present apparatus stability is strong, has preferable leakproofness, is avoided that dust and large particulate matter float into causing to measure inside device
The inaccurate phenomenon of data occurs, and measuring instrument can be moved up and down by the rotation of screw rod, and after being measured, measuring instrument can be along silk
Bar returns to original position, and clamping device can play the role of protection, anticollision to measuring instrument, and the data of measuring instrument measurement can be by passing through
Wireless network transmissions using being calculated final as a result, soil analysis instrument can protrude into inside soil, can prolong to mobile terminal
The designated position for needing to measure soil is reached, then the soil in the region is sampled detection.
Preferably, diaphragm internal offers sliding slot, sliding block, one end of sliding block bracing diagonal, brace are installed in sliding slot
Other end connecting spring case inside, the spring of cross-brace brace is equipped with inside spring box.Motor reversal, gear will drive silk
Bar rotation, measuring instrument will be slow decline, and when contacting at the top of top plate, top plate is moved downward, and brace pushes sliding block sliding inside sliding slot
It is dynamic, while spring is had reaction force to brace by certain compressing force, can play the role of buffering to measuring instrument.
Preferably, spring box is located at the lower surface of top plate, it is equipped with support spring between top plate and partition, is set above top plate
There is clamping device.Support spring can cooperate the components such as brace sliding block to have cushion effect to measuring instrument, and clamping device carries out measuring instrument
It is fixedly clamped, measuring instrument is protected, avoid damage instrument, improve the precision of instrument.
Preferably, clamping device includes fixing seat, it is clamped deck inside fixing seat, passes through pressure between deck and fixing seat
The connection of contracting spring, deck right-hand end connect push plate, and plate surfaces are equipped with spongy layer.Clamping device can be further guarantor to instrument
Shield, while the design of compressed spring improves the clamping force to instrument, the spongy layer of plate surfaces can play certain shockproof work
With avoiding instrument from shaking back and forth in box house.
Preferably, be equipped with motor above partition, the output end of motor connects driving gear, driving gear and two sides from
Moving gear is meshed, and driven gear is placed on the outside of screw rod.The motor that the present apparatus uses is variable-frequency motor, and motor energy positive and negative rotation,
Motor rotation will drive driving gear rotation, so that the driven gear of driving gear two sides is driven, across the screw rod of driven gear
Also it can rotate, support plate can be ramped up with measuring instrument, until entire instrument emersion opening measures, it is anti-to be measured motor
Turn, measuring instrument will be slow decline, be down between clamping device, motor stalls after device to be clamped is clamped.
Preferably, soil analysis instrument includes soil storage area, electronic box, drill bit, soil storage area connection support bar one end,
The other end of support rod connects electronic box, and support rod surface is wrapped with damping elastic piece, and electronic box lower end connects column, and leg surface is set
There is the native piece of rotation, constrictor is equipped with inside column, constrictor connects electronic box bottom, connection expansion link below constrictor, telescopic rod, receipts
Contracting device and electronic box are electrically connected, and column lower end connects drill bit.Soil analysis instrument can protrude into the soil property that the region is detected in depth of soils
Whether it is able to carry out and operates in next step, electronic box is powered, and constrictor control telescopic rod extends downwardly, and small electrical is also equipped in electronic box
Machine, in telescopic rod to can also quickly rotate while extension in soil, the drill bit cooperation assist tooth of post end can accelerate punching and take
The speed of sample, the damping elastic piece on support rod can effectively reduce brought seismaesthesia when sampling, it is ensured that the stability of device,
Be conducive to construction speed, the soil property of collection can be put into soil storage area and do further detection.
Preferably, the tip of drill bit is equipped with several assist tooths, assist tooth lower camber side is equipped with soil poking plate, the knife of soil poking plate
Tooth socket is equipped at sword, the junction of assist tooth and soil poking plate is equipped with 30 ° of -35 ° of angles.Assist tooth is bent downwardly with soil poking plate, and one
Aspect can protect drill bit to be hardly damaged in turn hole, on the other hand can accelerate soil sample rate, assist tooth and soil poking plate surface
Product is smaller, and resistance when protruding into soil is also small, is conducive to the sampling of soil, and assist tooth and soil poking plate junction are equipped with certain folder
Angle, soil poking plate can more readily smash soil in the angular range, do not have stone in operating process and block cutter tooth, tooth
The design of slot can cut off the grass roots in soil, prevent from winding.
Compared with prior art, the invention has the benefit that 1) measuring instrument is slided up and down with the movement of screw rod, work as survey
Amount instrument is when dropping on top plate, and brace pushes sliding block in sliding slot internal slide, while spring is by certain compressing force, to brace
There is reaction force, buffering can be played the role of to measuring instrument.2) clamping device can do further protection to instrument, and spongy layer can rise
To certain antihunt action, instrument is avoided to shake back and forth in box house；3) soil analysis instrument can protrude into specified depth of soil,
Sample detecting is carried out to the soil in the region.4) design of assist tooth and soil poking plate is easy to smash in soil, accelerates soil analysis
The sample rate of instrument.
Present invention employs a kind of civil engineering measuring instrument devices that above-mentioned technical proposal provides, and compensate for the prior art
Deficiency, reasonable design, easy operation.
Detailed description of the invention
Fig. 1 is a kind of civil engineering measuring instrument apparatus structure schematic diagram of the present invention；
Fig. 2 is the structural schematic diagram of screw rod of the present invention；
Fig. 3 is the structural schematic diagram of clamping device of the present invention；
Fig. 4 is the structural schematic diagram of soil analysis instrument of the present invention；
Fig. 5 is enlarged drawing at A of the present invention.
Description of symbols: 1 cabinet；2 openings；3 screw rods；4 support plates；5 top plates；6 support springs；7 sliding slots；8 soil point
Analyzer；81 soil storage areas；82 support rods；83 damping elastic pieces；84 electronic boxs；85 constrictors；86 telescopic rods；87 revolve native piece；88
Column；89 drill bits；810 assist tooths；811 soil poking plates；812 tooth sockets；9 switching doors；10 sliding blocks；11 braces；12 springs；13 driven tooths
Wheel；14 clamping devices；141 push plates；142 spongy layers；143 fixing seats；144 compressed springs；145 decks；15 measuring instruments；16 actively
Gear；17 motors；18 partitions；19 spring boxs.
Specific embodiment
Present invention is further described in detail with attached drawing with reference to embodiments:
Embodiment 1:
As shown in Figs. 1-5, a kind of civil engineering measuring instrument device, including cabinet 1,1 internal side wall of cabinet are equipped with folder
Tight device 14 is equipped with screw rod 3,3 lower end connecting partition 18 of screw rod in the middle part of cabinet 1, and upper end connects 1 top of cabinet, and 3 surface of screw rod is living
It is dynamic to connect support plate 4, measuring instrument 15 is installed, 18 lower surface of partition is equipped with soil analysis instrument 8 above support plate 4.The present apparatus is steady
It is qualitative strong, there is preferable leakproofness, be avoided that dust and large particulate matter float into causing measurement data inaccurate inside device
The phenomenon that occur, measuring instrument can be moved up and down by the rotation of screw rod, and after being measured, measuring instrument can return to original along screw rod
Position, clamping device can play the role of protection, anticollision to measuring instrument, and the data of measuring instrument measurement can be by passing through wireless network
It is transferred to mobile terminal, using being calculated final as a result, soil analysis instrument can protrude into inside soil, may extend into needs
The designated position of soil is measured, then the soil in the region is sampled detection.
Sliding slot 7 is offered inside partition 18, and sliding block 10, one end of 10 bracing diagonal 11 of sliding block, brace are installed in sliding slot 7
Inside 11 other end connecting spring case 19, the spring 12 of cross-brace brace 11 is equipped with inside spring box 19.Motor reversal, tooth
Wheel will drive screw rod rotation, and measuring instrument will be slow decline, and when contacting at the top of top plate, top plate is moved downward, and brace pushes sliding block to exist
Sliding slot internal slide, while spring is had reaction force to brace by certain compressing force, and the work of buffering can be played to measuring instrument
With.
Spring box 19 is located at the lower surface of top plate 5, and support spring 6 is equipped between top plate 5 and partition 18, is set above top plate 5
There is clamping device 14.Support spring can cooperate the components such as brace sliding block to have a cushion effect to measuring instrument, clamping device to measuring instrument into
Row is fixedly clamped, and protects to measuring instrument, avoids damage instrument, improves the precision of instrument.
Clamping device 14 includes fixing seat 143, is clamped deck 145 inside fixing seat 143, deck 145 and fixing seat 143 it
Between connected by compressed spring 144,145 right-hand end of deck connects push plate 141, and 141 surface of push plate is equipped with spongy layer 142.Folder
Tight device can do further protection to instrument, while the design of compressed spring improves the clamping force to instrument, plate surfaces
Spongy layer can play certain antihunt action, and instrument is avoided to shake back and forth in box house.
Motor 17 is equipped with above partition 18, the output end of motor 17 connects driving gear 16, driving gear 16 and two sides
Driven gear 13 is meshed, and driven gear 13 is placed on 3 outside of screw rod.The motor that the present apparatus uses is variable-frequency motor, and motor energy
Positive and negative rotation, motor rotation will drive driving gear rotation, to drive the driven gear of driving gear two sides, pass through driven gear
Screw rod can also rotate, support plate can be ramped up with measuring instrument, until entire instrument emersion opening measure, be measured
Motor reversal, measuring instrument will be slow decline, be down between clamping device, motor stalls after device to be clamped is clamped.
Soil analysis instrument 8 includes soil storage area 81, electronic box 84, drill bit 89,81 connection support bar 82 1 of soil storage area
End, the other end of support rod 82 connect electronic box 84, and 82 surface of support rod is wrapped with damping elastic piece 83, and the connection of 84 lower end of electronic box is vertical
Column 88,88 surface of column, which is equipped with, revolves native piece 87, constrictor 85 is equipped with inside column 88, constrictor 85 connects 84 bottom of electronic box, receives
85 lower section connection expansion link 86 of contracting device, telescopic rod 86, constrictor 85 and electronic box 84 are electrically connected, and 88 lower end of column connects drill bit
89.Soil analysis instrument can protrude into depth of soils detect the region soil property whether be able to carry out in next step operate, electronic box be powered, receive
Contracting device control telescopic rod extends downwardly, and micro-machine is also equipped in electronic box, in telescopic rod to can also be quick while extension in soil
Rotation, the drill bit cooperation assist tooth of post end can accelerate the speed of punching sampling, and the damping elastic piece on support rod can be effective
Brought seismaesthesia when down-sampling, it is ensured that the stability of device is conducive to construction speed, and the soil property of collection can be put into soil
Storage area does further detection.
The tip of drill bit 89 is equipped with several assist tooths 810, and 810 lower camber side of assist tooth is equipped with soil poking plate 811, soil poking plate
Tooth socket 812 is equipped at 811 blade, assist tooth 810 and the junction of soil poking plate 811 are equipped with 30 ° of angles.Assist tooth and soil poking plate
Be bent downwardly, on the one hand drill bit can be protected to be hardly damaged in turn hole, on the other hand can accelerate soil sample rate, assist tooth with
Soil poking plate surface area is smaller, and resistance when protruding into soil is also small, is conducive to the sampling of soil, and assist tooth is set with soil poking plate junction
There is certain angle, soil poking plate can more readily smash soil in the angular range, and stone is not had in operating process
Cutter tooth is blocked, the grass roots in soil can be cut off, prevent from winding by the design of tooth socket.
Embodiment 2:
A kind of civil engineering measuring instrument device of the invention is in actual use: powering on, motor 17 rotates
It will drive the rotation of driving gear 16, so that the driven gear 13 of 16 two sides of driving gear is driven, across the screw rod 3 of driven gear 13
Also it can rotate, support plate 4 can be ramped up with measuring instrument 15, until entire instrument emersion opening 2 measures, be measured electricity
Machine reversion 17, measuring instrument 15 will be slow decline, be down between clamping device 14, and motor 17 stops after device 14 to be clamped is clamped
Rotation stop is dynamic, then the present apparatus is put into the region for needing to detect soil, starts soil analysis instrument 8, and constrictor 85 controls telescopic rod 86
It extends downwardly, is also equipped with micro-machine in electronic box 84, in telescopic rod 86 to can also quickly being rotated while extension in soil, column 88
The drill bit 89 of end cooperates assist tooth 810 that can accelerate the speed that punching samples, and the soil property of collection can be put into soil storage area 81 and do
Further detection.
The prior art of routine techniques dawn known to those skilled in the art in above-described embodiment, is not chatted in detail herein
It states.
The above embodiments are only used to illustrate the present invention, and not limitation of the present invention, the ordinary skill people of this field
Member can also make a variety of changes and modification without departing from the spirit and scope of the present invention.Therefore, all equivalent
Technical solution also belong to scope of the invention, scope of patent protection of the invention should be defined by the claims.
Claims (7)
1. a kind of civil engineering measuring instrument device, including cabinet (1), it is characterised in that: set in cabinet (1) internal side wall
Have clamping device (14), be equipped with screw rod (3) in the middle part of the cabinet (1), screw rod (3) the lower end connecting partition (18), upper end connects
It connects at the top of cabinet (1), screw rod (3) surface activity connects support plate (4), is equipped with measuring instrument above the support plate (4)
(15), partition (18) lower surface is equipped with soil analysis instrument (8).
2. a kind of civil engineering measuring instrument device according to claim 1, it is characterised in that: the partition (18) is internal
It offers sliding slot (7), is equipped with sliding block (10) in the sliding slot (7), one end of sliding block (10) bracing diagonal (11), brace
(11) other end connecting spring case (19) is internal, and the spring of cross-brace brace (11) is equipped with inside the spring box (19)
(12)。
3. a kind of civil engineering measuring instrument device according to claim 2, it is characterised in that: spring box (19) position
Support spring (6) are equipped between the lower surface of top plate (5), the top plate (5) and partition (18), are set above the top plate (5)
There are clamping device (14).
4. a kind of civil engineering measuring instrument device according to claim 1, it is characterised in that: the clamping device (14)
Including fixing seat (143), be clamped deck (145) inside the fixing seat (143), the deck (145) and fixing seat (143) it
Between connected by compressed spring (144), deck (145) right-hand end connects push plate (141), push plate (141) surface
Equipped with spongy layer (142).
5. a kind of civil engineering measuring instrument device according to claim 1, it is characterised in that: above the partition (18)
Equipped with motor (17), the output end of the motor (17) connects driving gear (16), the driving gear (16) and two sides from
Moving gear (13) is meshed, and the driven gear (13) is placed on the outside of screw rod (3).
6. a kind of civil engineering measuring instrument device according to claim 1, it is characterised in that: the soil analysis instrument
It (8) include soil storage area (81), electronic box (84), drill bit (89), described soil storage area (81) connection support bar (82) one end,
The other end of support rod (82) connects electronic box (84), and support rod (82) surface is wrapped with damping elastic piece (83), the electricity
Case (84) lower end connects column (88), and column (88) surface, which is equipped with, revolves native piece (87), is equipped with and receives inside the column (88)
Contracting device (85), the constrictor (85) connect electronic box (84) bottom, and connection expansion link (86), described below the constrictor (85)
Telescopic rod (86), constrictor (85) and electronic box (84) are electrically connected, and column (88) lower end connects drill bit (89).
7. a kind of civil engineering measuring instrument device according to claim 1, it is characterised in that: the point of the drill bit (89)
End is equipped with several assist tooths (810), and assist tooth (810) lower camber side is equipped with soil poking plate (811), the soil poking plate (811)
Blade at be equipped with tooth socket (812), the tip angle of the assist tooth (810) and soil poking plate (811) is 30 ° -35 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811319471.3A CN109357668A (en) | 2018-11-07 | 2018-11-07 | A kind of civil engineering measuring instrument device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811319471.3A CN109357668A (en) | 2018-11-07 | 2018-11-07 | A kind of civil engineering measuring instrument device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109357668A true CN109357668A (en) | 2019-02-19 |
Family
ID=65344547
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811319471.3A Pending CN109357668A (en) | 2018-11-07 | 2018-11-07 | A kind of civil engineering measuring instrument device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109357668A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111238870A (en) * | 2020-03-18 | 2020-06-05 | 广东电网有限责任公司 | Geological survey device |
| CN111397647A (en) * | 2020-03-27 | 2020-07-10 | 昆山恒越测控技术有限公司 | PXI measuring apparatu convenient to carry |
| CN112212838A (en) * | 2020-09-22 | 2021-01-12 | 国网山东省电力公司巨野县供电公司 | Geographic information surveying and mapping tool for power grid planning |
| CN116930432A (en) * | 2023-09-13 | 2023-10-24 | 徐州中矿岩土技术股份有限公司 | Robot for stability detection of underground chamber |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206192689U (en) * | 2016-12-02 | 2017-05-24 | 南昌航空大学 | Measuring device for civil engineering |
| CN207263176U (en) * | 2017-08-16 | 2018-04-20 | 郑州市第一建筑工程集团有限公司 | A kind of civil engineering surveying device |
| CN207669452U (en) * | 2017-12-30 | 2018-07-31 | 福建隆达竹业有限公司 | Novel hot press |
-
2018
- 2018-11-07 CN CN201811319471.3A patent/CN109357668A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206192689U (en) * | 2016-12-02 | 2017-05-24 | 南昌航空大学 | Measuring device for civil engineering |
| CN207263176U (en) * | 2017-08-16 | 2018-04-20 | 郑州市第一建筑工程集团有限公司 | A kind of civil engineering surveying device |
| CN207669452U (en) * | 2017-12-30 | 2018-07-31 | 福建隆达竹业有限公司 | Novel hot press |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111238870A (en) * | 2020-03-18 | 2020-06-05 | 广东电网有限责任公司 | Geological survey device |
| CN111397647A (en) * | 2020-03-27 | 2020-07-10 | 昆山恒越测控技术有限公司 | PXI measuring apparatu convenient to carry |
| CN112212838A (en) * | 2020-09-22 | 2021-01-12 | 国网山东省电力公司巨野县供电公司 | Geographic information surveying and mapping tool for power grid planning |
| CN112212838B (en) * | 2020-09-22 | 2022-05-13 | 国网山东省电力公司巨野县供电公司 | Geographic information surveying and mapping tool for power grid planning |
| CN116930432A (en) * | 2023-09-13 | 2023-10-24 | 徐州中矿岩土技术股份有限公司 | Robot for stability detection of underground chamber |
| CN116930432B (en) * | 2023-09-13 | 2023-11-24 | 徐州中矿岩土技术股份有限公司 | Robot for stability detection of underground chamber |
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Application publication date: 20190219 |
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