CN200968851Y - Electric resistance type slope displacement measurement instrument based on gravity spring - Google Patents
Electric resistance type slope displacement measurement instrument based on gravity spring Download PDFInfo
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- CN200968851Y CN200968851Y CN 200620099776 CN200620099776U CN200968851Y CN 200968851 Y CN200968851 Y CN 200968851Y CN 200620099776 CN200620099776 CN 200620099776 CN 200620099776 U CN200620099776 U CN 200620099776U CN 200968851 Y CN200968851 Y CN 200968851Y
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Abstract
The utility model relates to an apparatus used for measuring the landslide displacement of a side slope. Based on a resistance type landslide displacement meter with a gravity spring, the utility model is composed of a displacement measuring device, a data acquisition and processing circuit and a wireless data communication module, wherein the wireless data communication module is connected with a microcontroller of the data acquisition and processing circuit. The utility model is characterized in that the displacement measuring device comprises a case (1), a traction steel wire(2), a weight(3), a weight pulley(4), a shift slider(6), a guide sheave(8), a resistance wire(12), a balanced and sustainable steel wire(13), a metallic conducting sheet(14), a first binding post(15) and a second binding post(16), wherein the traction steel wire(2) is fixedly connected with middle part of the shift slider(6) and the right end of the traction steel wire(2) is fixed connected with the monitoring point(9) of the motion parts of the side slope, while the left of the traction steel wire(2) is fixedly connected with the weight. The utility model has the advantages of simple structure, highly accurate measurement, good stability and being able to carry out the remote automatic monitoring.
Description
Technical field
The utility model relates to a kind of instrument that is used to measure the slope and land slide displacement.
Background technology
Ways and means for landslide monitoring has a lot, and wherein the most effective and direct method is the direct measurement to landslide displacement.In the monitoring of slope and land slide, mainly use the mechanical means Displacement Measurement at present, adopt manual mode in landslide field notes data basically, measuring accuracy is low, actual effect is poor, personal security does not have guarantee.There are some article reports that various novel displacement measurement technology are used for landslide monitoring in recent years, as: optical fibre displacement sensor, concentric cable reflection of electromagnetic wave technology, GPS location technology etc., yet, these displacement measuring devices in range, measuring accuracy, instrument cost, conform and aspect such as the convenience installed and used and actual needs have big gap; Especially in mine, railway, highway, bridge, tunnel construction, engineering geological condition is abominable, temperature variation is big, the pulling force that produces when the landslide takes place is very big, distance between side slope top layer landslide movable body and the fixed reference (stationary reference frame), lack electric power supply, bring very big difficulty for high-precision landslide displacement measurement.
The utility model content
The purpose of this utility model be to provide a kind of simple in structure, range big, good stability, can carry out the resistance-type slope displacement measuring instrument based on gravity spring of long-range automatic monitoring.
For achieving the above object, the technical solution of the utility model is: based on the resistance-type slope displacement measuring instrument of gravity spring, it is by displacement measuring device, data acquisition and treatment circuit and wireless data communications module are formed, data acquisition and treatment circuit and wireless data communications module are installed in the control box, it is characterized in that: displacement measuring device comprises casing 1, traction steel wire 2, weight 3, weight pulley 4, displacer 6, leading block 8, resistance wire 12, balanced support steel wire 13, conductor metal sheet 14, first binding post 15, second binding post 16, in the casing 1 is cavity, the middle part of the left plate of casing 1 has first circular hole 5, the middle part of the right plate of casing 1 has second circular hole 7, the middle part in the left plate outside of casing 1 is provided with weight pulley 4, and the middle part in the right plate outside of casing 1 is provided with leading block 8; Displacer 6 is a hard insulation, the rear and front end of displacer 6 has through hole, displacer 6 is positioned at the cavity of casing 1, traction steel wire 2 is fixedlyed connected with the middle part of displacer 6, the right-hand member of traction steel wire 2 passes second circular hole 7 fixedlys connected with the monitoring point 9 of side slope motion parts through leading block 8, and the left end of traction steel wire 2 passes first circular hole 5 fixedlys connected with weight 3 through weight pulley 4; The right-hand member of resistance wire 12 is fixedlyed connected with the right plate of casing 1 by second binding post 16, the front end through hole that the left end of resistance wire 12 passes displacer 6 is fixedlyed connected with the left plate of casing 1 by first binding post 15, the front end of displacer 6 is provided with conductor metal sheet 14, and conductor metal sheet 14 contacts with resistance wire 12 conductions; The right-hand member of balanced support steel wire 13 is fixedlyed connected with the right plate of casing 1, and the rear end through hole that the left end of supporting steel wire 13 passes displacer 6 is fixedlyed connected with the left plate of casing 1; First binding post 15, second binding post, 16 upper conductors connect the driving circuit section of data acquisition and treatment circuit in the control box, and conductor metal sheet 14 upper conductors connect the signal deteching circuit part of data acquisition and treatment circuit in the control box; During use, casing 1 is fixed on transfixion on support or the clump.
Described weight 3 is positioned at weight protective casing 10.The bottom of casing 1 is provided with bolt and picks up the ears 18.
The utility model relies on traction steel wire 2, weight 3, weight pulley 4, displacer 6, leading block 8 to form a gravity spring in the action of gravity of weight 3, and the displacement measurement to the monitoring point 9 of side slope motion parts is converted into the potential measurement on the resistance wire by resistance wire 12, conductor metal sheet 14, just can determines the displacement of slope and land slide body by the current potential of Displacement Measurement slide block 6 upper conductor sheet metals 14.This structural design has formed a gravity spring, when the landslide takes place, the monitoring point 9 of side slope motion parts is relative and casing 1 motion with sliding mass, traction steel wire 2 makes displacer 6 move Δ X with respect to casing 1 position, elastic force in the traction steel wire is F=Mg=k Δ X at this moment, wherein M is the quality of weight 3, and g is an acceleration of gravity, and k is the elasticity coefficient of traction steel wire.The monitoring point 9 of side slope motion parts is reciprocating in the horizontal direction will to be converted into moving up and down of weight 3 by tight traction steel wire 2, be that the spring that an elasticity coefficient is k is extended or compresses equally seemingly, so be called gravity spring.
The beneficial effects of the utility model are:
1. simple in structure, cost is low, is convenient to produce in batches.
2. easy for installation, only need casing 1 is fixed on the actionless place of stability of slope, dig pit and bury weight protective casing 10, weight 3 is put into wherein, and the other end of traction steel wire 2 is fixed on the monitoring point 9 of side slope motion parts.
3. by data acquisition and treatment circuit and wireless data communications module, can carry out auto-real-time monitoring to the slope and land slide motion conditions easily, and measurement data can be sent to remote landslide control center by GPRS cordless communication network and Internet.
4. solve the displacement measurement problem of the slope and land slide of large span, the range of this instrument is big, precision is high, and maximum range is 1.5m, and measuring accuracy is 0.1mm.
5. instrument is low in energy consumption, good stability, and interference resistance is strong, is fit to open-air long-term work.
The utility model can be used for displacement measurement and the long-range automatic monitoring in the engineerings such as the roadbed, rock body quality of mine, bridge tunnel of landslide, railway and highway, for the early warning of geologic hazard with prevent and reduce natural disasters and have vital role.
Description of drawings
Fig. 1 is a displacement measuring device structural representation of the present utility model
Fig. 2 is data acquisition of the present utility model and treatment circuit theory diagram
Fig. 3 is driving circuit of the present utility model and signal deteching circuit schematic diagram
Among Fig. 1: 1-casing, 2-traction steel wire, 3-weight; 4-weight pulley, 5-the first circular hole, 6-displacer; 7-the second circular hole, 8-leading block, the monitoring point of 9-side slope motion parts; 10-weight protective casing, 11-holding screw, 12-resistance wire; 13-balanced support steel wire, 14-conductor metal sheet, 15-the first binding post; 16-the second binding post, 17-five core sockets, 18-bolt is picked up the ears.
Embodiment
As Fig. 2, shown in Figure 3, resistance-type slope displacement measuring instrument based on gravity spring, it is made up of displacement measuring device, data acquisition and treatment circuit and wireless data communications module, data acquisition and treatment circuit comprise microcontroller, display, keyboard, storer, real-time timepiece chip, driving circuit and signal deteching circuit, and the wireless data communications module links to each other with microcontroller; Data acquisition and treatment circuit and wireless data communications module are installed in the control box that is independent of displacement measuring device, linked by five core sockets 17 on shielded cable and the displacement measuring device casing 1, data acquisition and treatment circuit, wireless data communications module can adopt known technology.Driving circuit and signal deteching circuit principle are as shown in Figure 3.
As shown in Figure 2, adopted real-time timepiece chip to come the control survey time in data acquisition and the treatment circuit, make surveying instrument have power down and sleep mode, promptly set time interval between twice measurement sampling by software program control or Remote, not between sampling period, close all circuit except real-time clock; After arriving setting-up time, real-time clock can wake microcontroller automatically up, the microprocessor controls driving circuit is opened, measure, Measuring Time is generally a few tens of milliseconds, after measurement finishes, microcontroller is turned off peripheral circuit, self enters dormant state, thereby prolongs the service time of battery greatly, and this technology is particularly suitable for the field survey of unregulated power supply.
As shown in Figure 1, displacement measuring device comprises casing 1, traction steel wire 2, weight 3, weight pulley 4, displacer 6, leading block 8, resistance wire 12, balanced support steel wire 13, conductor metal sheet 14, first binding post 15, second binding post 16, in the casing 1 is cavity, the middle part of the left plate of casing 1 has first circular hole 5, the middle part of the right plate of casing 1 has second circular hole 7, the middle part in the left plate outside of casing 1 is provided with weight pulley 4, the middle part in the right plate outside of casing 1 is provided with leading block 8, leading block 8 makes the setting of the monitoring point 9 of side slope motion parts have dirigibility, weight pulley 4 can make weight 3 utilize gravity that traction steel wire 2 is stretching, can guarantee that measuring instrument can carry out the slope displacement measurement of large span; Displacer 6 is a hard insulation, the rear and front end of displacer 6 has through hole, displacer 6 is positioned at the cavity of casing 1, traction steel wire 2 is fixedlyed connected (fixedly connected by holding screw 11) with the middle part of displacer 6, the right-hand member of traction steel wire 2 passes second circular hole 7 fixedlys connected with the monitoring point 9 of side slope motion parts through leading block 8, and the left end of traction steel wire 2 passes first circular hole 5 fixedlys connected with weight 3 through weight pulley 4; For weight 3 is moved up and down freely, weight 3 is put into weight protective casing 10, weight protective casing 10 be placed in weight pulley 4 under, length is by the decision of the range of detector for displacement measuring; The right-hand member of resistance wire 12 is fixedlyed connected with the right plate of casing 1 by second binding post 16, the front end through hole that the left end of resistance wire 12 passes displacer 6 is fixedlyed connected with the left plate of casing 1 by first binding post 15, and first binding post 15, second binding post 16 insulate with casing respectively; The front end of displacer 6 is provided with conductor metal sheet 14, and conductor metal sheet 14 contacts with resistance wire 12 conductions, and can be free to slide on resistance wire 12, and conductor metal sheet 14 has constituted a voltage divider jointly with resistance wire 12; First binding post 15, second binding post 16 are respectively the input and output sides that detects electric current, and displacer 6 upper conductor sheet metals 14 are the sliding contact points on the resistance wire 12, and the current potential of measuring it just can be determined the displacement of slope and land slide body; The right-hand member of balanced support steel wire 13 is fixedlyed connected with the right plate of casing 1, the rear end through hole that the left end of supporting steel wire 13 passes displacer 6 is fixedlyed connected with the left plate of casing 1, the design of supporting steel wire 13 guarantees displacer 6 smooth sliding on resistance wire 12 and balance supporting steel wire 13, improves the degree of accuracy of displacement measurement; The connection lead of conductor metal sheet 14, first binding post 15, second binding post 16 passes casing 1 from five core sockets 17 and links to each other with control box, control box is independent of displacement measuring device (casing 1), first binding post 15, second binding post, 16 upper conductors connect the driving circuit section of data acquisition and treatment circuit in the control box, and conductor metal sheet 14 upper conductors connect the signal deteching circuit part of data acquisition and treatment circuit in the control box; During use, the bottom of casing 1 is provided with bolt and picks up the ears 18, and casing 1 passes the bolt hole that bolt picks up the ears on 18 by expansion bolt fixedlys connected with support or clump, and casing 1 is fixed on transfixion on support or the clump.
In order to protect the parts in the casing 1, be provided with the top cover (not drawing among Fig. 1) of a band rubber weather strip above the casing, it can make displacement measuring device have waterproof, moisture-proof function.
One, side slope basic principle of measurement and implementation method:
1) weight 3 acts on the displacement sliding shoe 6 through traction steel wire 2 by weight pulley 4, makes traction steel wire 2 tensionings between the monitoring point 9 of slide block 6 and side slope motion parts.In order to reduce Temperature Influence, traction steel wire adopts the indium steel wire, and the displacement of the monitoring point 9 of side slope motion parts just equals the displacement of displacer 6 with respect to resistance wire 12.
2) driving circuit in the control box produces steady current I by shielded cable on resistance wire 12, and displacer 6 upper conductor sheet metals 14 contact with resistance wire 12, can smoothly move in the above.When the position change Δ X of displacer 6, current potential on the conductor metal sheet 14 changes Δ U=I λ Δ X, be that the change amount of current potential and the change amount of displacer 6 positions are to be directly proportional, λ is the resistance of average unit length on the resistance wire in the formula, actual the measuring of its available following method; At first write down displacer 6 at X
1The current potential U at place
1, spur the steel wire in leading block 8 outsides then, make displacer 6 to X
2The place writes down current potential U at this moment
2, then
If certain current potential that records sliding contact (on the conductor metal sheet 14) constantly is U, can extrapolating at this moment, the displacement of slope sliding monitoring point 9 is
3) as shown in Figure 2, under the control of the software in microcontroller, driving circuit regularly provides drive current for resistance wire 12, meanwhile, signal deteching circuit is gathered the electric potential signal of reflection landslide displacement by sliding contact conductor metal sheet 14, and the data that collect are temporarily left in the storer, regularly send to remote landslide monitoring center by GPRS data transmission module (wireless data communications module).
4) in order to save electric energy, can control by software program, the manual operation of button or the time interval that Remote is set adjacent twice measurement sampling on the control box, not between sampling period, close all circuit except real-time clock; After arriving setting-up time, real-time clock can wake microcontroller up automatically, and microcontroller is opened control Driver Circuit then, measures; After measurement finished, microcontroller was turned off peripheral circuit, and self enters dormant state, thereby prolonged the service time of battery greatly, and this technology is vital for the field survey of instrument.
Two, the installation of displacement measuring device and operation:
1) casing 1 is fixed on support or the clump.On tested point, insert the long reinforcing bar of a 1.5-2.0m, the displacement measurement end of traction steel wire is fixed on (monitoring point 9 of side slope motion parts) on the reinforcing bar.Under weight pulley 4, dig a hole that 2.0m is dark, imbed the weight protective casing of suitable length, weight 3 is hung up, and make traction steel wire 2 exceptionally straight.
2) instrument calibration.Convenient for manual measurement and calibration, control box is provided with relevant keyboard and LCD, when instrument calibration, makes equipment enter the calibration pattern by button operation.The end that traction steel wire 2 is fixed on the reinforcing bar unclamps, the pulling traction steel wire, make displacer 6 be positioned at the middle part of casing, traction steel wire is unclamped a mark (can select arbitrarily) of end and aim at an a certain scale of calibrating vernier caliper, according to the prompting on the LCDs, touch by corresponding button on the control box, microcontroller is remembered and the corresponding current potential in this position; Spur the traction steel wire mark then and move 100.0mm, touch by corresponding button according to the prompting on the display screen, microcontroller can remember and the corresponding current potential of reposition that calibration finishes then, and instrument enters the measurement state.
3) this instrument is provided with the real-time demonstration of displacement data, the inquiry and the copy of storage data, time and calendar adjustment, instrument calibration, the sampling time interval of measurement and GPRS data transmission time interval various modes is set etc.Can finish corresponding adjustment or setting according to the prompting on the LCDs.
Important technological parameters:
1. measuring accuracy: 0.1mm,
2. maximum range: 1500mm,
3. supply voltage: DC+6V,
4. environment temperature :-20 ℃-70 ℃,
5. electric current: maximum operating currenbt 22mA,
Keep marquis's electric current 2mA.
The utility model is simple in structure, precision is high, good stability, and the dynamic range of displacement measurement is big, has the temperature debugging functions, and maximum range is 1.5m, and measuring accuracy is 0.1mm.Can carry out remote live to the displacement of slope and land slide by GPRS wireless communication networks and Internet monitors automatically, it is the electricity-saving function of feature that surveying instrument has with the power down dormancy, be fit to very much landslide displacement monitoring under the open-air abominable engineering geological condition, in large-scale construction projects such as mine, railway, highway, bridge, tunnel, be with a wide range of applications.
Claims (3)
1. based on the resistance-type slope displacement measuring instrument of gravity spring, it is by displacement measuring device, data acquisition and treatment circuit and wireless data communications module are formed, data acquisition and treatment circuit and wireless data communications module are installed in the control box, it is characterized in that: displacement measuring device comprises casing (1), traction steel wire (2), weight (3), weight pulley (4), displacer (6), leading block (8), resistance wire (12), balanced support steel wire (13), conductor metal sheet (14), first binding post (15), second binding post (16), in the casing (1) is cavity, the middle part of the left plate of casing (1) has first circular hole (5), the middle part of the right plate of casing (1) has second circular hole (7), the middle part in the left plate outside of casing (1) is provided with weight pulley (4), and the middle part in the right plate outside of casing (1) is provided with leading block (8); Displacer (6) is a hard insulation, the rear and front end of displacer (6) has through hole, displacer (6) is positioned at the cavity of casing (1), traction steel wire (2) is fixedlyed connected with the middle part of displacer (6), the right-hand member of traction steel wire (2) passes second circular hole (7) fixedlys connected with the monitoring point (9) of side slope motion parts through leading block (8), and the left end of traction steel wire (2) passes first circular hole (5) fixedlys connected with weight (3) through weight pulley (4); The right-hand member of resistance wire (12) is fixedlyed connected with the right plate of casing (1) by second binding post (16), the front end through hole that the left end of resistance wire (12) passes displacer (6) is fixedlyed connected with the left plate of casing (1) by first binding post (15), the front end of displacer (6) is provided with conductor metal sheet (14), and conductor metal sheet (14) contacts with resistance wire (12) conduction; The right-hand member of balanced support steel wire (13) is fixedlyed connected with the right plate of casing (1), and the rear end through hole that the left end of supporting steel wire (13) passes displacer (6) is fixedlyed connected with the left plate of casing (1); First binding post (15), second binding post (16) upper conductor connect the driving circuit section of data acquisition and treatment circuit in the control box, and conductor metal sheet (14) upper conductor connects the signal deteching circuit part of data acquisition and treatment circuit in the control box; During use, casing (1) is fixed on transfixion on support or the clump.
2. the resistance-type slope displacement measuring instrument based on gravity spring according to claim 1, it is characterized in that: described weight (3) is positioned at weight protective casing (10).
3. the resistance-type slope displacement measuring instrument based on gravity spring according to claim 1 is characterized in that: the bottom of casing (1) is provided with bolt pick up the ears (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620099776 CN200968851Y (en) | 2006-11-06 | 2006-11-06 | Electric resistance type slope displacement measurement instrument based on gravity spring |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620099776 CN200968851Y (en) | 2006-11-06 | 2006-11-06 | Electric resistance type slope displacement measurement instrument based on gravity spring |
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| CN200968851Y true CN200968851Y (en) | 2007-10-31 |
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| CN 200620099776 Expired - Fee Related CN200968851Y (en) | 2006-11-06 | 2006-11-06 | Electric resistance type slope displacement measurement instrument based on gravity spring |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101476863B (en) * | 2009-01-23 | 2011-11-16 | 安里千 | Electricity-saving type real-time automatic monitoring instrument for terrane displacement |
| CN102654388A (en) * | 2012-05-21 | 2012-09-05 | 中国地质大学（武汉） | Automatic-tracking type landslide displacement measurer with high accuracy and wide range |
| CN104316797A (en) * | 2014-10-24 | 2015-01-28 | 英业达科技有限公司 | Test fixture |
| CN107237269A (en) * | 2017-07-17 | 2017-10-10 | 中铁工程机械研究设计院有限公司 | A kind of many car group synchronous control systems of beam car based on pid loop and method |
| CN108303025A (en) * | 2018-01-22 | 2018-07-20 | 中国地质大学（武汉） | A kind of device measuring slope soil displacement |
| CN108871171A (en) * | 2018-08-18 | 2018-11-23 | 武懋 | A kind of Opencut coal mine mining slope displacement monitoring and administer ruggedized construction |
| CN108955508A (en) * | 2018-08-10 | 2018-12-07 | 深圳市北斗云信息技术有限公司 | Come down pantograph |
| CN112267496A (en) * | 2020-10-13 | 2021-01-26 | 中建海峡建设发展有限公司 | Highway high abrupt slope on-line monitoring device |
| CN115164798A (en) * | 2022-07-12 | 2022-10-11 | 大连理工大学 | Embedded multi-angle dynamic slope stability monitoring system |
-
2006
- 2006-11-06 CN CN 200620099776 patent/CN200968851Y/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101476863B (en) * | 2009-01-23 | 2011-11-16 | 安里千 | Electricity-saving type real-time automatic monitoring instrument for terrane displacement |
| CN102654388A (en) * | 2012-05-21 | 2012-09-05 | 中国地质大学（武汉） | Automatic-tracking type landslide displacement measurer with high accuracy and wide range |
| CN102654388B (en) * | 2012-05-21 | 2014-08-13 | 中国地质大学（武汉） | Automatic-tracking type landslide displacement measurer with high accuracy and wide range |
| CN104316797A (en) * | 2014-10-24 | 2015-01-28 | 英业达科技有限公司 | Test fixture |
| CN107237269A (en) * | 2017-07-17 | 2017-10-10 | 中铁工程机械研究设计院有限公司 | A kind of many car group synchronous control systems of beam car based on pid loop and method |
| CN108303025A (en) * | 2018-01-22 | 2018-07-20 | 中国地质大学（武汉） | A kind of device measuring slope soil displacement |
| CN108955508A (en) * | 2018-08-10 | 2018-12-07 | 深圳市北斗云信息技术有限公司 | Come down pantograph |
| CN108871171A (en) * | 2018-08-18 | 2018-11-23 | 武懋 | A kind of Opencut coal mine mining slope displacement monitoring and administer ruggedized construction |
| CN108871171B (en) * | 2018-08-18 | 2024-02-23 | 武懋 | Slope displacement monitoring and treatment reinforcing structure for open pit coal mining |
| CN112267496A (en) * | 2020-10-13 | 2021-01-26 | 中建海峡建设发展有限公司 | Highway high abrupt slope on-line monitoring device |
| CN115164798A (en) * | 2022-07-12 | 2022-10-11 | 大连理工大学 | Embedded multi-angle dynamic slope stability monitoring system |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20071031 Termination date: 20091207 |