阅读说明：本技术 一种岩土工程勘察安全监测设备 (Geotechnical engineering reconnaissance safety monitoring equipment ) 是由 王思成 于 2021-06-10 设计创作，主要内容包括：本发明公开了一种岩土工程勘察安全监测设备,包括振弦多点位移监测计和锚座,所述振弦多点位移监测计的顶端固定连接有锚座,所述锚座的底端设置有位移计外管套,所述锚座和位移计外管套之间设置有延长结构,所述位移计外管套底端的外部套接有定位盘。该岩土工程勘察安全监测设备通过设置有第一环箍、连接螺栓、第二环箍、固定凸片和固定槽,第一环箍和第二环箍通过两侧的连接螺栓固定连接,第一环箍和第二环箍的固定凸片对三组测杆进行固定,当振弦多点位移监测计锚入监测点内,测杆置于固定槽中以保持位置的相对固定,减少因监测点外部地基受外力造成的晃动和碰撞,保持监测数据的准确性和精确度,解决了精确度有待提高的问题。(The invention discloses geotechnical engineering investigation safety monitoring equipment which comprises a vibrating wire multipoint displacement monitoring meter and an anchor seat, wherein the top end of the vibrating wire multipoint displacement monitoring meter is fixedly connected with the anchor seat, the bottom end of the anchor seat is provided with a displacement meter outer sleeve, an extension structure is arranged between the anchor seat and the displacement meter outer sleeve, and the outside of the bottom end of the displacement meter outer sleeve is sleeved with a positioning disc. This geotechnical engineering reconnaissance safety monitoring equipment is through being provided with first hoop, connecting bolt, the second hoop, fixed lug and fixed slot, first hoop and second hoop pass through the connecting bolt fixed connection of both sides, the fixed lug of first hoop and second hoop is fixed three measuring poles of group, in the monitoring point was gone into in the vibration wire multiple spot displacement monitoring meter anchor, the measuring pole is arranged in the fixed slot in order to keep the relatively fixed of position, reduce because of the rocking and the collision that external force caused is received to the outside ground of monitoring point, keep monitoring data's accuracy and accuracy, the problem that the accuracy remains to be improved has been solved.)

1. The utility model provides a geotechnical engineering reconnaissance safety monitoring equipment which characterized in that: the vibration string multipoint displacement monitoring device comprises a vibration string multipoint displacement monitoring meter (1) and an anchor base (2), wherein the top end of the vibration string multipoint displacement monitoring meter (1) is fixedly connected with the anchor base (2), the bottom end of the anchor base (2) is provided with a displacement meter outer sleeve (4), an extension structure (20) is arranged between the anchor base (2) and the displacement meter outer sleeve (4), the outside of the bottom end of the displacement meter outer sleeve (4) is sleeved with a positioning disc (5), the bottom end of the displacement meter outer sleeve (4) is fixedly connected with a displacement meter adapter (6), the bottom end of the displacement meter adapter (6) is fixedly connected with a measuring rod (8), the outside of the measuring rod (8) is provided with a fixing structure (7), the bottom end of the measuring rod (8) is fixedly connected with an anchor rod (9), and one side of the vibration string multipoint displacement monitoring meter (1) is provided with an assembly structure;

the assembling structure comprises a frame body (12), wherein four corners of the bottom end of the frame body (12) are provided with movable trundles (11), and the top end of the interior of the frame body (12) is movably connected with a winding shaft (18).

2. The geotechnical engineering investigation safety monitoring equipment of claim 1, wherein: be provided with bearing spare (17) between the inner wall of the both sides of winding axle (18) and support body (12), the both sides of support body (12) are provided with logical groove (15), run through inside and fixedly connected with hand wheel (16) that lead to groove (15) around one side of winding axle (18), be provided with safety cabinet (13) around the below of winding axle (18), the inside fixedly connected with vibrating wire reading appearance (14) of safety cabinet (13), the opposite side of support body (12) is provided with places box (10), the outside of winding axle (18) is around rolling up there being electric cable (19), the outside cladding that connects electric cable (19) has cable protective sheath (3).

3. The geotechnical engineering investigation safety monitoring equipment of claim 2, wherein: one end of the electric connection cable (19) is fixedly connected with the displacement meter in the displacement meter outer sleeve (4), and the other end of the electric connection cable (19) is fixedly connected with the wiring point positions of the vibrating wire reading instrument (14) respectively.

4. The geotechnical engineering investigation safety monitoring equipment of claim 1, wherein: the measuring rod (8), the anchor rod (9) and the displacement meter outer pipe sleeve (4) are provided with three groups, and the length of the measuring rod (8) is gradually increased from left to right.

5. The geotechnical engineering investigation safety monitoring equipment of claim 1, wherein: the displacement meter outer pipe sleeve (4) is provided with three groups and has the same diameter, and the displacement meter outer pipe sleeve (4) is annularly distributed.

6. The geotechnical engineering investigation safety monitoring equipment of claim 2, wherein: two groups of through grooves (15) are arranged, and the through grooves (15) are symmetrically distributed around the vertical center line of the rack body (12).

7. The geotechnical engineering investigation safety monitoring equipment of claim 1, wherein: the fixing structure (7) comprises a first hoop (701), a connecting bolt (702), a second hoop (703), a fixing lug (704) and a fixing groove (705), the first hoop (701) and the second hoop (703) are arranged outside the measuring rod (8), the connecting bolt (702) is fixedly connected between the first hoop (701) and the second hoop (703), the fixing lug (704) is arranged on the inner sides of the first hoop (701) and the second hoop (703), the fixing groove (705) is arranged inside the fixing lug (704), and the measuring rod (8) is respectively inserted into the fixing groove (705).

8. The geotechnical engineering investigation safety monitoring equipment of claim 7, wherein: the edge of the fixing groove (705) is provided with a gap, and the inner diameter of the fixing groove (705) is larger than the outer diameter of the measuring rod (8).

9. The geotechnical engineering investigation safety monitoring equipment of claim 1, wherein: the extension structure (20) comprises a lengthened steel sleeve (2001), a connecting rod (2002), sliding grooves (2003) and fixing bolts (2004), the connecting rod (2002) is arranged on two sides of the top end of an outer sleeve (4) of the displacement meter, the lengthened steel sleeve (2001) is sleeved outside the connecting rod (2002), the sliding grooves (2003) are arranged inside the lengthened steel sleeve (2001), the connecting rod (2002) is embedded inside the sliding grooves (2003) and is in sliding connection with the sliding grooves (2003), and the fixing bolts (2004) are fixedly connected between the lengthened steel sleeve (2001) and the connecting rod (2002).

10. The geotechnical engineering investigation safety monitoring equipment of claim 9, wherein: the connecting rod (2002) is provided with two groups, and the fixing bolts (2004) are respectively provided with two groups in the connecting rod (2002).

Technical Field

The invention relates to the technical field of geotechnical engineering investigation, in particular to safety monitoring equipment for geotechnical engineering investigation.

Background

In the field of geotechnical engineering, a multi-point displacement meter is often buried in a construction site to measure the displacement, settlement and other phenomena in structures such as an earth slope, a rock mass, a dam, an embankment and the like, and the internal change condition of the structure can be mastered in real time through data recording and monitoring, so that the safety investigation effect is achieved. During installation, anchor drilling equipment is used for carrying out anchor holes on monitoring points, then the displacement meter is installed in the anchor holes, and the displacement meter cable is connected with the reading instrument.

During actual installation, often because of ground surface rubble etc. more, unevenness need erect the base around the anchor eye, and the displacement meter easily wholly submerges in the anchor eye, and anchor block length is not enough to cause the influence to stability, and on the other hand, the displacement meter bottom measuring staff easily receives the influence of base member around the anchor eye, and measurement accuracy remains to be improved. During actual operation, on-the-spot staff still need drag the cable to connect the reading appearance of electric department, the cable long distance is dragged easily to be pressed on ground, scatters in disorder at the construction site, brings the inconvenience. A safety monitoring apparatus for geotechnical engineering investigation is proposed to solve the above problems.

Disclosure of Invention

The invention aims to provide geotechnical engineering investigation safety monitoring equipment to solve the problem that the equipment is inconvenient to erect and operate outdoors in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: a geotechnical engineering investigation safety monitoring device comprises a vibrating wire multipoint displacement monitoring meter and an anchor seat, wherein the top end of the vibrating wire multipoint displacement monitoring meter is fixedly connected with the anchor seat, the bottom end of the anchor seat is provided with a displacement meter outer sleeve, an extension structure is arranged between the anchor seat and the displacement meter outer sleeve, the outside of the bottom end of the displacement meter outer sleeve is sleeved with a positioning disc, the bottom end of the displacement meter outer sleeve is fixedly connected with a displacement meter adapter, the bottom end of the displacement meter adapter is fixedly connected with a measuring rod, the outside of the measuring rod is provided with a fixed structure, the bottom end of the measuring rod is fixedly connected with an anchor rod, and one side of the vibrating wire multipoint displacement monitoring meter is provided with an assembly structure;

the assembly structure comprises a frame body, wherein four corners of the bottom end of the frame body are provided with movable trundles, and the top end of the inside of the frame body is movably connected with a winding shaft.

Preferably, be provided with the bearing spare between the both sides around the spool and the inner wall of support body, the both sides of support body are provided with logical groove, run through inside and the fixedly connected with hand wheel that leads to the groove around one side of spool, be provided with the safety cabinet around the below of spool, the inside fixedly connected with vibrating wire reading appearance of safety cabinet, the opposite side of support body is provided with places the box, the outside around the spool has the electricity cable of connecing, the outside cladding of connecing the electricity cable has the cable protective sheath.

Preferably, one end of the power connection cable is fixedly connected with the displacement meter in the displacement meter outer sleeve, and the other end of the power connection cable is fixedly connected with the wiring point positions of the vibrating wire reading instrument respectively.

Preferably, the measuring rod, the anchor rod and the displacement meter outer pipe sleeve are provided with three groups, and the length of the measuring rod is gradually increased from left to right.

Preferably, the displacement meter outer sleeve is provided with three groups and has the same diameter, and the displacement meter outer sleeve is annularly distributed.

Preferably, the through grooves are arranged in two groups, and the through grooves are symmetrically distributed about the vertical center line of the rack body.

Preferably, the fixing structure comprises a first hoop, a connecting bolt, a second hoop, a fixing lug and a fixing groove, the first hoop and the second hoop are arranged outside the measuring rod, the connecting bolt is fixedly connected between the first hoop and the second hoop, the fixing lug is arranged on the inner side of the first hoop and the inner side of the second hoop, the fixing groove is arranged in the fixing lug, and the measuring rod is respectively inserted into the fixing groove.

Preferably, the edge of the fixing groove is provided with a gap, and the inner diameter of the fixing groove is larger than the outer diameter of the measuring rod.

Preferably, the extension structure comprises extension steel bushing, connecting rod, spout and fixing bolt, the connecting rod sets up the both sides on displacement meter outer pipe sleeve top, the volume is cup jointed to the outside of connecting rod has the extension steel bushing, the inside of extension steel bushing is provided with the spout, the connecting rod inlay in the inside of spout and with spout sliding connection, fixedly connected with fixing bolt between extension steel bushing and the connecting rod.

Preferably, the connecting rod is provided with two sets, and the fixing bolt is provided with two sets respectively in the inside of connecting rod.

Compared with the prior art, the invention has the beneficial effects that: the geotechnical engineering investigation safety monitoring equipment not only realizes convenient outdoor erection and use, realizes improvement of precision, but also realizes suitability for installation on different terrains;

(1) the movable trundle at the bottom end of the frame body can move outdoors, the frame body is arranged near an outdoor monitoring point, the vibrating wire reading instrument is arranged in the safety cabinet, the safety cabinet plays a certain protection role, after the vibrating wire reading instrument is electrified, data detected by the vibrating wire multi-point displacement monitoring meter can be displayed on the vibrating wire reading instrument, the data change is monitored within twenty-four hours, the data recording and transmission are convenient, the normal use and operation can be realized in rainy and foggy days, the safety protection performance is strong, the winding shaft is arranged at the top end in the frame body through the bearing piece, the power cable is wound outside the winding shaft, the hand wheel can be rotated to drive the winding shaft to rotate so as to realize the winding and unwinding of the power cable, the long-distance monitoring is convenient, the power cable is prevented from being dragged to be pressed on the ground, and the damage probability is reduced, the monitoring data is stabilized, the bearing piece can be detached to replace the installation position, so that the height of the power connection cable can be changed according to the position difference of the monitoring anchor hole, and the operation is facilitated in the soil slope with large height difference and the like;

(2) the first hoop and the second hoop are hooped to form a circle and are matched with a drilling channel of a monitoring point, the first hoop and the second hoop are fixedly connected through the connecting bolts on two sides, the three groups of measuring rods are fixed by the fixing lugs of the first hoop and the second hoop, when the vibrating wire multi-point displacement monitoring meter is anchored into the monitoring point, the measuring rods are arranged in the fixing grooves to keep the relative fixation of the positions, the shaking and the collision caused by external force on a foundation outside the monitoring point are reduced, the accuracy and precision of monitoring data are kept, the connecting bolts can be detached when the vibrating wire multi-point displacement monitoring meter is not used, the measuring rods overcome the friction force and are separated from a notch on the edge of the fixing grooves, and the components of the vibrating wire multi-point displacement monitoring meter can be disassembled and overhauled;

(3) through being provided with extra long steel bushing, the connecting rod, spout and fixing bolt, it is fixed through fixing bolt between connecting rod and the extra long steel bushing, two sets of connecting rods all inlay the inside at the spout, if need erect the unable adjustment base around, can pull down fixing bolt, move up extra long steel bushing, the distance of extension anchor block top to displacement meter outer tube, it is downthehole to make displacement meter outer tube submerge the anchor completely, and the top of anchor block and the multiple spot displacement monitoring meter of vibrating wire is located subaerial all the time, be applicable to different topography, do not rock after the extension, connection stability is strong, compact structure, easy dismounting overhauls and clears up.

Drawings

FIG. 1 is a schematic front sectional view of the present invention;

FIG. 2 is a schematic front view of a vibrating wire multi-point displacement monitor according to the present invention;

FIG. 3 is an enlarged partial cross-sectional view taken at A in FIG. 1 according to the present invention;

FIG. 4 is a schematic top view of the fixing structure of the present invention;

FIG. 5 is a schematic front view of the bobbin of the present invention;

fig. 6 is a side view of the handwheel of the present invention.

In the figure: 1. a vibrating wire multipoint displacement monitoring meter; 2. an anchor block; 3. a cable protective sheath; 4. an outer sleeve of the displacement meter; 5. positioning a plate; 6. a displacement meter adapter; 7. a fixed structure; 701. a first hoop; 702. a connecting bolt; 703. a second hoop; 704. a securing tab; 705. fixing grooves; 8. a measuring rod; 9. an anchor rod; 10. placing the box; 11. moving the caster; 12. a frame body; 13. a safety cabinet; 14. a vibrating wire reading instrument; 15. a through groove; 16. a hand wheel; 17. a bearing member; 18. a winding shaft; 19. connecting a power cable; 20. an extension structure; 2001. lengthening the steel sleeve; 2002. a connecting rod; 2003. a chute; 2004. and (5) fixing the bolt.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1: referring to fig. 1-6, a geotechnical engineering investigation safety monitoring device comprises a vibrating wire multipoint displacement monitor 1 and an anchor base 2, wherein the top end of the vibrating wire multipoint displacement monitor 1 is fixedly connected with the anchor base 2, the bottom end of the anchor base 2 is provided with a displacement meter outer sleeve 4, an extension structure 20 is arranged between the anchor base 2 and the displacement meter outer sleeve 4, the outside of the bottom end of the displacement meter outer sleeve 4 is sleeved with a positioning disc 5, the bottom end of the displacement meter outer sleeve 4 is fixedly connected with a displacement meter adapter 6, the bottom end of the displacement meter adapter 6 is fixedly connected with a measuring rod 8, the outside of the measuring rod 8 is provided with a fixed structure 7, the bottom end of the measuring rod 8 is fixedly connected with an anchor rod 9, and one side of the vibrating wire multipoint displacement monitor 1 is provided with an assembly structure;

referring to fig. 1-6, the geotechnical engineering investigation safety monitoring device further comprises an assembly structure, wherein the assembly structure comprises a frame body 12, four corners of the bottom end of the frame body 12 are provided with movable casters 11, and the top end inside the frame body 12 is movably connected with a winding shaft 18;

specifically, as shown in fig. 1, fig. 2, fig. 4, fig. 5 and fig. 6, the movable caster 11 at the bottom end of the frame body 12 can move outdoors, the vibrating wire reading instrument 14 is arranged in the safety cabinet 13, the safety cabinet 13 plays a certain protection role, after the vibrating wire reading instrument 14 is powered on, data detected by the vibrating wire multi-point displacement monitoring meter 1 can be displayed on the vibrating wire reading instrument 14, data change is monitored in twenty-four hours, and the device can be normally used and operated in rainy and foggy weather, so that data can be conveniently recorded and transmitted, is arranged near an outdoor monitoring point, and has strong safety protection performance.

Example 2: a bearing part 17 is arranged between two sides of the winding shaft 18 and the inner wall of the frame body 12, through grooves 15 are arranged on two sides of the frame body 12, one side of the winding shaft 18 penetrates through the inside of the through grooves 15 and is fixedly connected with a hand wheel 16, a safety cabinet 13 is arranged below the winding shaft 18, a vibrating wire reading instrument 14 is fixedly connected inside the safety cabinet 13, a placing box 10 is arranged on the other side of the frame body 12, an electric cable 19 is wound on the outside of the winding shaft 18, and a cable protective sleeve 3 is wrapped on the outside of the electric cable 19;

one end of the power connection cable 19 is fixedly connected with the displacement meter in the displacement meter outer sleeve 4, the other end of the power connection cable 19 is fixedly connected with the wiring point positions of the vibrating wire reading instrument 14 respectively, and the wired connection monitoring signal is small in interference, stable and reliable;

three groups of measuring rods 8, anchor rods 9 and displacement meter outer sleeves 4 are arranged, and the length of the measuring rods 8 is gradually increased from left to right so as to measure the deformation quantity of different anchor points;

the outer sleeves 4 of the displacement meters are provided with three groups and have the same diameter, and the outer sleeves 4 of the displacement meters are distributed annularly to protect the internal displacement meters;

two groups of through grooves 15 are arranged, the through grooves 15 are symmetrically distributed about the vertical center line of the frame body 12, so that the installation position can be changed around the winding shaft 18;

specifically, as shown in fig. 1, fig. 2, fig. 4, fig. 5 and fig. 6, install on the inside top of support body 12 through bearing spare 17 around spool 18, it connects electric cable 19 to have around the book around spool 18 is external, rotatable hand wheel 16 drives and rotates around spool 18 and realizes connecting the rolling and unreeling of electric cable 19, so that long distance monitoring, avoid connecting electric cable 19 and pull and trample on ground by the pressure, connect the outside cladding of electric cable 19 to have cable protective sheath 3, avoid the cable to tangle in disorder, reduce the damaged probability, stabilize monitoring data, bearing spare 17 is removable changes the mounted position, so that according to monitoring the difference of anchor point position and change and connect electric cable 19 height, also be convenient for operate in the great slight slope of difference in height etc..

Example 3: the fixing structure 7 is composed of a first hoop 701, a connecting bolt 702, a second hoop 703, a fixing lug 704 and a fixing groove 705, the first hoop 701 and the second hoop 703 are arranged outside the measuring rod 8, the connecting bolt 702 is fixedly connected between the first hoop 701 and the second hoop 703, and the fixing lug 704 is arranged on the inner sides of the first hoop 701 and the second hoop 703;

specifically, as shown in fig. 1, 2 and 4, the fixing tabs 704 of the first hoop 701 and the second hoop 703 fix the three sets of measuring rods 8, when the vibrating wire multi-point displacement monitor 1 is anchored into a monitoring point, the measuring rods 8 are placed in the fixing grooves 705 to keep the relative fixing of the positions, so that the shaking and collision caused by external force on the foundation outside the monitoring point are reduced, and the accuracy and precision of the monitoring data are maintained.

Example 4: the fixing lug 704 is internally provided with a fixing groove 705, the measuring rod 8 is respectively inserted into the fixing groove 705, the edge of the fixing groove 705 is provided with a gap, and the inner diameter of the fixing groove 705 is larger than the outer diameter of the measuring rod 8 so as to fix the measuring rod 8;

specifically, as shown in fig. 1, 2 and 4, a first hoop 701 and a second hoop 703 are combined to form a circle, the circle is matched with a drilling channel of a monitoring point, the first hoop 701 and the second hoop 703 are fixedly connected through connecting bolts 702 on two sides, the connecting bolts 702 can be detached, and a measuring rod 8 is made to be separated from a gap at the edge of a fixing groove 705 against friction force, so that the parts of the vibrating wire multipoint displacement monitoring meter 1 can be disassembled and repaired.

Example 5: the extension structure 20 is composed of a lengthened steel sleeve 2001, a connecting rod 2002, a sliding groove 2003 and a fixing bolt 2004, the lengthened steel sleeve 2001 is sleeved outside the connecting rod 2002, the sliding groove 2003 is arranged inside the lengthened steel sleeve 2001, the connecting rod 2002 is embedded inside the sliding groove 2003 and is in sliding connection with the sliding groove 2003, and the fixing bolt 2004 is fixedly connected between the lengthened steel sleeve 2001 and the connecting rod 2002;

specifically, as shown in fig. 1, 2 and 3, the connecting rod 2002 and the lengthened steel sleeve 2001 are fixed through the fixing bolt 2004, so that the outer sleeve 4 of the displacement meter is completely immersed into a monitoring point, the top end of the anchor base 2 is always located above the ground, if a fixing base needs to be erected around, the fixing bolt 2004 can be detached, the lengthened steel sleeve 2001 is moved upwards, the distance from the top end of the anchor base 2 and the vibrating wire multi-point displacement monitoring meter 1 to the outer sleeve 4 of the displacement meter is lengthened, and the device is suitable for different terrains.

Example 6: the connecting rods 2002 are arranged on two sides of the top end of the displacement meter outer sleeve 4, two groups of connecting rods 2002 are arranged, two groups of fixing bolts 2004 are respectively arranged inside the connecting rods 2002, and the connecting rods are tightly connected and are prevented from loosening;

specifically, as shown in fig. 1, 2 and 3, two sets of connecting rods 2002 are embedded in the sliding grooves 2003 and fixed by two sets of fixing bolts 2004, so that the connecting rods do not shake after being extended, and are high in connection stability, compact in structure, and convenient to disassemble, assemble, repair and clean.

The working principle is as follows: when the invention is used, a monitoring channel is drilled by utilizing exploration equipment such as a drilling machine, a vibrating wire multipoint displacement monitoring meter 1 is inserted into an anchor hole of a monitoring point, an anchor rod 9 can be drilled into the anchor hole of the monitoring point to provide wall-grabbing force and transmit vibration, a displacement meter is arranged in an outer sleeve 4 of the displacement meter in the vibrating wire multipoint displacement monitoring meter 1, by utilizing the vibrating wire principle, when a measured structure is displaced, a measuring rod 8 is driven by the anchor rod 9 to generate displacement, the displacement is transmitted to the vibrating wire of the displacement meter to change the stress of the vibrating wire, so that the vibration frequency of the vibrating wire is changed, an electromagnetic coil is arranged in the displacement meter to excite the vibrating wire and measure the vibration frequency, a frequency signal is transmitted to a vibrating wire reading instrument 14 through an electric cable 19, so that the deformation of rock soil at the measured structure can be recorded and monitored, the displacement meter is protected by an outer sleeve 4 of the hoop displacement meter, a first hoop 701 and a second hoop 703 are fixed outside the measuring rod 8, the three groups of measuring rods 8 are fixed through the connecting bolts 702 at two sides, the measuring rods 8 are arranged in the fixing grooves 705 to keep the relative fixation of the positions when the vibrating wire multi-point displacement monitoring meter 1 is anchored into a monitoring point, the measuring rods 8 are arranged in the fixing grooves 705 to reduce the shaking and collision caused by external force on the foundation outside the monitoring point, the accuracy and precision of monitoring data are kept, when the vibrating wire multi-point displacement monitoring meter is not used, the connecting bolts 702 can be disassembled, the measuring rods 8 overcome the friction force to be separated from the openings at the edges of the fixing grooves 705, so that the components of the vibrating wire multi-point displacement monitoring meter 1 can be disassembled and repaired, the whole vibrating wire multi-point displacement monitoring meter 1 is arranged in the anchor holes of the monitoring point, the top end of the vibrating wire multi-point displacement monitoring meter 1 is exposed on the ground, if a fixing base needs to be erected around, the fixing bolts 2004 can be disassembled, the lengthened steel sleeve 2001 is moved upwards, the distance from the anchor base 2 to the outer sleeve 4 of the displacement meter is lengthened, and the outer sleeve 4 of the displacement meter is completely immersed into the monitoring point, the anchor seat 2 and the top end of the vibrating wire multipoint displacement monitoring meter 1 are always positioned on the ground, the vibrating wire multipoint displacement monitoring meter is suitable for different terrains, the vibrating wire multipoint displacement monitoring meter is not shaken after being prolonged, the connection stability is strong, the structure is compact, the movable caster 11 at the bottom end of the frame body 12 can move outdoors and is arranged near an outdoor monitoring point, the vibrating wire reading meter 14 is arranged in the safety cabinet 13, the safety cabinet 13 plays a certain protection role, after the vibrating wire reading meter 14 is electrified, data detected by the vibrating wire multipoint displacement monitoring meter 1 can be displayed on the vibrating wire reading meter 14, the data change can be monitored in twenty-four hours, the rain fog weather can also be normally used and operated, the safety protection performance is strong, the data can be conveniently recorded and transmitted, the winding shaft 18 is arranged at the top end inside the frame body 12 through the bearing piece 17, the electric cable 19 is wound outside the winding shaft 18, the hand wheel 16 can be rotated to drive the winding shaft 18 to rotate so as to realize the winding and unwinding of the electric cable 19, and the long-distance monitoring can be conveniently, avoid connecing electric cable 19 to drag and to be pressed on ground, reduce the damage probability, stabilize monitoring data, bearing part 17 removable change mounted position to according to the difference of monitoring anchor point position and change and connect electric cable 19 height, also be convenient for operate in the great earth slope of difference in height etc. the completion of the time limit for a project monitors and puts vibrating wire multiple spot displacement monitoring meter 1 in placing box 10.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.