CN211312122U - New and old road surface differential settlement monitoring device - Google Patents
New and old road surface differential settlement monitoring device Download PDFInfo
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- CN211312122U CN211312122U CN201922039832.5U CN201922039832U CN211312122U CN 211312122 U CN211312122 U CN 211312122U CN 201922039832 U CN201922039832 U CN 201922039832U CN 211312122 U CN211312122 U CN 211312122U
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Abstract
The utility model discloses a new and old road surface difference settlement monitoring device, this new and old road surface difference settlement monitoring device still include the base, install the stand of marking on the base, install the second spirit level on marking stand or base including being used for standing on the leveling support of ground and leveling, installing the stake of reference on the leveling support, installing the first spirit level on the stake of reference or leveling support, are being equipped with the indicator lever referring to the stake and marking between the stand, are equipped with the scale mark on the indicator lever. The leveling support is erected on an old roadbed pavement and leveled, at the moment, a reference pile on the leveling support is also in a horizontal state, a marking upright post and a base thereof are erected on a new roadbed pavement and leveled, then an indicating rod is installed between the reference pile and the marking upright post, when the new roadbed and the old roadbed have settlement differences, settlement difference values can be read through an indicating component on the indicating rod, and the new roadbed and old pavement difference settlement monitoring device is convenient to arrange and beneficial to reducing monitoring workload and cost.
Description
Technical Field
The utility model relates to a road disease monitoring technology field, concretely relates to new and old road surface difference settlement monitoring devices.
Background
With the development of economy and the increase of traffic volume, some existing roads can not meet the traffic demand, and in addition, with the expansion of cities, many originally planned narrower urban roads can not meet the development requirements of the cities, so that the widening construction of some existing roads is often needed to improve the road traffic capacity and meet the social development demand.
Because the mechanical properties of the soil bodies of the new and old roadbed are different, differential settlement can be generated between the new and old roadbed, particularly, the settlement difference is more obvious at the joint of the new and old roadbed, thereby causing the damage of the road surface. Therefore, for a newly widened and built road, the settlement condition of the road base needs to be monitored so as to timely early warn and repair the road diseases.
When the road surface is expanded, old road surfaces generally need to be communicated with vehicles continuously, new and old road surfaces are separated by isolation belts, and a settlement monitoring device is not allowed to be placed on the old road surfaces communicated with the vehicles, so that a good differential settlement monitoring method for the new and old road surfaces does not exist up to now.
Chinese patent publication No. CN106679623A describes a roadbed long-term accumulated settlement monitoring system, which includes a common reference liquid level pipe and a plurality of settlement bases buried in a roadbed, and then scale liquid level pipes are installed on the settlement bases, and each scale liquid level pipe is communicated with the common reference liquid level pipe, so that the arrangement workload of the monitoring system is huge because the settlement bases are buried in the roadbed.
Chinese patent publication No. CN101975566A describes a remote multipoint monitoring system and method for subgrade surface settlement, the system includes a central processing unit, a reference light source device, and a plurality of remote monitoring devices with light sources located at the measured point, the monitoring system displays the subgrade settlement by measuring the displacement difference between the remote monitoring devices and the reference light source device, the monitoring system is complex, and the manufacturing and laying costs are high.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a new and old road surface difference settlement monitoring device solves among the prior art big, the with high costs technical problem of monitoring work volume that subsides to the road surface.
In order to solve the technical problem, the utility model discloses a following technical scheme:
design a new and old road surface difference settlement monitoring device, include:
the leveling support is used for standing on the ground and leveling, and comprises a disc seat, wherein the lower surface of the disc seat is provided with at least three supporting legs with adjustable lengths;
the reference pile is arranged on the leveling bracket;
the first level is arranged on the reference pile or the leveling bracket;
the base is used for horizontally standing on the ground;
the second level is arranged on the marking upright post or the base;
the marking upright post is arranged on the base, and is provided with scale marks extending in the vertical direction;
the indication rod, the one end of indication rod is installed on the reference stake, be equipped with on the other end and be used for instructing mark the instruction part of the scale on the stand, indicate that the part is established for the cover mark the sleeve on the stand, the sleeve vertical fixation be in the tip of indication rod.
Preferably, a telescopic pulley mechanism is arranged at the upper part of the marking upright post, and comprises a rotating plate which is hinged on the marking upright post through a rotating shaft; a first pulley and a second pulley are respectively hinged to two sides of the rotating plate;
two grooves corresponding to the first pulley and the second pulley are formed in the inner wall of the sleeve.
Preferably, the middle part of the upper part of the wall surface of the marking upright post is provided with a vertical long through hole corresponding to the rotating plate, and the rotating plate is hinged on the marking upright post after penetrating through the vertical long through hole.
Preferably, mark the left and right sides of stand and be equipped with first hangers and second hangers respectively, first hangers is located more than the pivot, the second hangers is located below the pivot the left and right sides of rotor plate is equipped with first hanging hole and second hanging hole respectively, it is equipped with first spring to hang between first hanging hole and the first hanger, it is equipped with the second spring to hang between second hanging hole and the second hanger, works as during the rotor plate slope, first spring and second spring all are in tensile or compression state.
Preferably, the reference pile is provided with a mounting through hole matched with the indicating rod, and the indicating rod is inserted into the mounting through hole; and when the indicating rod moves to a proper position along the installation through hole, first screws are correspondingly screwed in the corresponding first screw holes and the second screw holes.
Preferably, the number of the first screw holes is two, the two first screw holes are located on the same horizontal plane, the second screw holes are also located on the same horizontal plane, and the distance between every two adjacent second screw holes is the same as the distance between every two adjacent first screw holes;
the first screw hole penetrates through the reference pile, the second screw hole penetrates through the indicating rod, and the first screw penetrates through the first screw hole and the corresponding second screw hole.
Preferably, the indication rod comprises a first hollow rod and a second hollow rod, a third screw hole is formed in the rod wall of one end of the first hollow rod, a fourth screw hole corresponding to the third screw hole is formed in the rod wall of one end of the second hollow rod, the end portion of the first hollow rod is inserted into the end portion of the second hollow rod, and a second screw is correspondingly screwed into the third screw hole and the fourth screw hole.
Preferably, the base is the taper of gradually becoming thick from top to bottom, the lower extreme of marking the stand is equipped with the screw thread section the top of base be equipped with the corresponding hickey of screw thread section, the lower surface of base is the plane, hickey's axis perpendicular to the lower surface of base.
The utility model has the advantages of:
1. the utility model provides a new and old road surface difference settlement monitoring device can directly lay at new and old road bed road surface juncture: when the leveling device is used, the leveling support is erected in the isolation zone on one side of the old roadbed pavement and leveled, at the moment, the reference pile on the leveling support is also in a horizontal state, the marking upright post and the base thereof are erected in the isolation zone on one side of the new roadbed pavement and leveled, then the indicating rod is installed between the reference pile and the marking upright post, and when the new roadbed and the old roadbed have settlement differences, the settlement difference value can be read through the indicating component on the indicating rod. The new and old road surface differential settlement monitoring device is convenient to arrange and beneficial to reducing monitoring workload and cost.
2. Considering settlement difference monitoring and settlement early warning: can read settlement difference value through the indicating part, and through observing the second spirit level, can carry out the early warning to the settlement condition of taking place the new road bed that subsides easily, this is because the uneven settlement of road bed can lead to marking the small slope of stand, and the bubble in the second spirit level on the mark stand that lays no longer is placed in the middle, then indicates that new road bed has taken place to subside.
3. The settlement difference of the new roadbed and the old roadbed can be accurately measured: because the telescopic pulley mechanism is arranged on the marking upright post, the pulleys on two sides of the telescopic pulley mechanism can be always kept in contact with the grooves in the sleeve, and under the condition that the marking upright post is slightly inclined, the sleeve on the marking upright post can not be influenced to be kept in a vertical state, so that the reading indicated by the sleeve can accurately reflect the settlement difference between the old roadbed and the new roadbed.
4. The utility model discloses new and old road surface difference settlement monitoring device can locate the median within range, does not influence the traffic on old road surface.
5. The new and old road surface differential settlement monitoring device has the advantages of low manufacturing cost, simple and convenient installation and disassembly and convenient carrying.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the differential settlement monitoring device for new and old road surfaces of the present invention;
fig. 2 is a schematic view of a three-dimensional structure of a leveling bracket and a reference pile in an embodiment of the differential settlement monitoring device for new and old road surfaces of the utility model;
fig. 3 is a schematic view of a three-dimensional structure of a reference pile in an embodiment of the differential settlement monitoring device for new and old road surfaces of the utility model;
fig. 4 is a schematic view of a three-dimensional structure of a marking upright post and a base in an embodiment of the new and old road surface differential settlement monitoring device of the utility model;
fig. 5 is a left side view of a marked upright post in an embodiment of the differential settlement monitoring device for new and old road surfaces of the utility model;
FIG. 6 is an enlarged view of portion A of FIG. 4;
fig. 7 is a front view of a retractable pulley mechanism in an embodiment of the new and old road surface differential settlement monitoring device of the present invention;
fig. 8 is a top view of a sleeve in an embodiment of the differential settlement monitoring device for new and old road surfaces of the present invention;
fig. 9 is an exploded view of an indicating rod in an embodiment of the differential settlement monitoring device for new and old road surfaces of the present invention;
fig. 10 is a layout schematic diagram of an embodiment of the differential settlement monitoring device for new and old road surfaces of the present invention.
In the drawings, each reference numeral means: leveling support 1, disc seat 11, support leg 12, upper connecting cylinder 121, lower connecting rod 122, connecting screw hole 1221, set screw 123, old roadbed 21, new roadbed 22, connecting wire 23, reference pile 3, first level 31, first mounting groove 32, mounting through hole 33, first screw hole 34, first screw 35, marking upright post 4, base 41, threaded interface 411, threaded section 42, second level 43, second mounting groove 44, graduation line 45, second hinge hole 46, vertical long through hole 47, indicating rod 5, sleeve 51, second screw hole 52, first hollow rod 53, diameter reduction part 531, third screw hole 532, second hollow rod 54, fourth screw hole 541, second screw 55, telescopic pulley mechanism 6, rotating plate 61, first hinge hole 611, first hanging hole 612, second hanging hole 613, rotating shaft 62, first pulley 63, second pulley 64, first hanging lug 65, second hanging lug 66, First spring 67, second spring 68, isolation band 71, isolation band 72.
Detailed Description
The following embodiments are only intended to illustrate the present invention in detail, and do not limit the scope of the present invention in any way.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Example 1:
a differential settlement monitoring device for new and old road surfaces, please refer to fig. 1 to 9.
As shown in fig. 1, the embodiment of the utility model provides a new and old road surface difference settlement monitoring device includes leveling support 1, and leveling support 1 is used for standing on the road surface at old roadbed 21 place, is equipped with on leveling support 1 and refers to stake 3, and the upper surface of disc seat 11 is the plane, refers to the welding of stake 3 at the upper surface of disc seat 11, and the adjustable level of leveling support 1 to make and refer to stake 3 and be in the horizontality.
Leveling support 1 includes disc seat 11, and disc seat 11's lower surface is equipped with the landing leg 12 of three adjustable length, and landing leg 12 leans out from top to bottom for disc seat 11, and the lower extreme of three landing leg 12 is triangular distribution subaerial to disc seat 11 is supported in a stable way. The supporting leg 12 comprises an upper connecting cylinder 121 and a lower connecting rod 122, wherein the upper end of the lower connecting rod 122 is inserted into the lower end of the upper connecting cylinder 121; a plurality of connection screw holes 1221 are formed in the lower connecting rod 122 at intervals, two fastening screw holes are formed in the bottom of the upper connecting cylinder 121 at intervals, the upper connecting cylinder 121 and the lower connecting rod 122 are connected through the fastening screws 123 penetrating through the fastening screw holes and the corresponding connection screw holes 1221, and of course, in other embodiments, the lower connecting rod can be directly pushed up through the fastening screws without the connection screw holes formed in the lower connecting rod. The bottom end of the leg 12 is provided with a rubber joint 124, and the joint 124 prevents the leveling bracket 1 from sliding on the ground.
Since the three legs 12 can be adjusted in length, the leveling bracket 1 can be adjusted in level. The disc base 11, the supporting legs 12 and the reference pile 3 are all made of aluminum alloy materials, so that the weight is reduced, and the carrying and the transportation are convenient.
A first level 31 is installed on the reference pile 3, as shown in fig. 3, the reference pile 3 is cylindrical, a first installation groove 32 matched with the first level 31 is formed in the outer wall surface of the reference pile 3, the first level 31 is fixed in the first installation groove 32, whether the leveling bracket 1 is leveled or not can be judged by observing the first level 31 in the leveling process of the leveling bracket 1, and when the air bubble in the first level 31 is centered, the leveling bracket 1 is leveled, and the reference pile 3 is in a vertical state. In other embodiments, the first level may be directly secured to the reference peg by screws.
Further, as shown in fig. 1, the new and old road surface differential settlement monitoring device further includes a marking upright post 4, the marking upright post 4 is a vertical cylinder, a base 41 is arranged at the bottom of the marking upright post 4, and the marking upright post 4 and the base 41 thereof are used for being arranged on the road surface where the new roadbed 22 is located.
As shown in fig. 4, the base 41 is conical and gradually thickened from top to bottom, the threaded section 42 is disposed at the lower end of the indication upright post 4, the threaded connector 411 corresponding to the threaded section 42 is disposed at the top of the base 41, the lower surface of the base 41 is a plane, and the axis of the threaded connector 411 is perpendicular to the lower surface of the base 41, so that when the indication upright post 4 is screwed on the threaded connector 411, the indication upright post 4 is perpendicular to the lower surface of the base 41.
A second level 43 is mounted on the lower portion of the indication column 4, as shown in fig. 5, a second mounting groove 44 is provided on the wall surface of the indication column 4, the second level 43 is fixedly mounted in the second mounting groove 44, and when the bubble in the second level 43 is centered, it indicates that the indication column 4 is in a vertical state.
Further, as shown in fig. 1, an indication rod 5 is further disposed between the reference pile 3 and the indication column 4, a right end of the indication rod 5 is mounted on the reference pile 3, a scale line 45 extending in the up-down direction is disposed on an outer wall surface of the indication column 4, a scale value of the scale line 45 is accurate to a millimeter, an indication component for indicating the scale 45 on the indication column 4 is disposed at a left end of the indication rod 5, in this embodiment, the indication component is a sleeve 51 sleeved on the indication column 4, the sleeve 51 is vertically fixed at an end of the indication rod 5, and the indication rod 5 is a cylindrical straight rod.
As shown in fig. 4 and 6, a telescopic pulley mechanism 6 is provided at an upper portion of the indication column 4, and the telescopic pulley mechanism 6 is used for guiding the sleeve 51 and preventing the sleeve 51 from moving unsmoothly due to friction between a slight inclination and the indication column 4.
As shown in fig. 7, the retractable pulley mechanism 6 includes a rotating plate 61, a vertical through hole 47 corresponding to the rotating plate 61 is provided at a middle portion of the upper portion of the wall surface of the indication column 4, and the rotating plate 61 passes through the vertical through hole 47, so that the rotating plate 61 is located at a middle portion of the cross section of the indication column 4.
The middle of the rotating plate 61 is provided with a first hinge hole 611, and the indication column 4 is correspondingly provided with a second hinge hole 46 in the radial direction, as shown in fig. 4, the rotating plate 61 is hinged on the indication column 4 through a rotating shaft 62 penetrating through the second hinge hole 46 and the first hinge hole 611, one end of the rotating shaft 62 is provided with a nut, and the other end is provided with a nut or a pin to prevent the rotating shaft 62 from falling off. The height of the vertical through hole 47 allows the rotating plate 61 to rotate at a certain angle centering on the rotating shaft 62.
A first pulley 63 and a second pulley 64 are respectively hinged to two sides of the rotating plate 61, the first pulley 63 and the second pulley 64 can freely rotate, as shown in fig. 8, two vertical grooves 52 are formed in the inner wall of the sleeve 51, the grooves 52 vertically penetrate through the wall of the whole sleeve 51, and when the sleeve 51 is sleeved on the marking upright post 4, the first pulley 63 and the second pulley 64 are respectively located in the two grooves.
Further, as shown in fig. 6, a first hanging lug 65 and a second hanging lug 66 are respectively arranged at the left side and the right side of the indication upright post 4, the first hanging lug 65 is positioned above the rotating shaft 62, the second hanging lug 66 is positioned below the rotating shaft 62, a first hanging hole 612 and a second hanging hole 613 are respectively arranged at the left side and the right side of the rotating plate 61, a first spring 67 is hung between the first hanging hole 612 and the first hanging lug 65, a second spring 68 is hung between the second hanging hole 613 and the second hanging lug 66, when the rotating plate 61 is tilted, the first spring 67 and the second spring 68 are both in a stretched state, thereby applying a pulling force to the rotating plate 61 to urge the rotating plate 61 to be adjusted in a horizontal posture, and when the first pulley 63 and the second pulley 64 are respectively located in the two grooves of the inner wall of the sleeve 51, the first pulley 63 and the second pulley 64 can move up and down against the bottom surface of the groove at all times, thereby guiding the up and down movement of the sleeve 51.
Further, as shown in fig. 3, a mounting through hole 33 matched with the indication rod 5 is provided on the reference pile 3, the mounting through hole 33 is arranged along the radial direction of the reference pile 3, the indication rod 5 is inserted into the mounting through hole 33 in a horizontal state, the indication rod 5 can move back and forth in the mounting through hole 33 for different distances between the reference pile 3 and the indication upright post 4, as shown in fig. 2, a first screw hole 34 is provided on the pile wall of the reference pile 3 corresponding to the mounting through hole 33, a plurality of second screw holes 52 corresponding to the first screw holes 34 are provided on the wall rod of the indication rod 5 at intervals, and when the indication rod 5 moves to a proper position along the mounting through hole 33, the first screws 35 are correspondingly screwed into the first screw holes 34 and the corresponding second screw holes 52, so as to fix the indication rod 5 and the reference pile 3 together.
In this embodiment, there are two first screw holes 34, and two first screw holes 34 are located on the horizontal plane where the axis of the installation through hole 33 is located, and each second screw hole 52 is located on the horizontal plane where the axis of the indication rod 5 is located, so as to ensure that the indication rod 5 is in a horizontal state after the first screws are screwed into the two first screw holes 34 and the corresponding second screw holes 52.
In addition, the distance between each adjacent second screw hole 52 is the same as the distance between two first screw holes, so that two first screw holes 34 can exactly correspond to two second screw holes 52.
The first screw holes 34 penetrate through the reference piles 3, the second screw holes 52 penetrate through the indication rod 5, and the first screws 35 penetrate through the first screw holes 34 and the corresponding second screw holes, so that two first screws are equivalent to two supporting points formed on the indication rod 5, and certainly, the inner wall of the installation through hole 33 is attached to the outer wall of the indication rod 5, so that the inner wall of the installation through hole 33 also plays a role in restraining the indication rod 5, and the indication rod 5 is supported to be in a horizontal state all the time.
Further, as shown in fig. 9, the indication rod 5 includes a first hollow rod 53 and a second hollow rod 54, both the first hollow rod 53 and the second hollow rod 54 are circular tubes, the right end of the first hollow rod 53 is a reduced diameter portion 531, and the outer diameter of the reduced diameter portion 531 is slightly smaller than the inner diameter of the second hollow rod 54, so that the right end of the first hollow rod 53 can be inserted into the left end of the second hollow rod 54; two third screw holes 532 are formed in the wall of the reduced diameter portion 531, and two fourth screw holes 541 corresponding to the third screw holes 532 are formed in the wall of the left end of the second hollow rod 54. as shown in fig. 1, after the first hollow rod 53 and the second hollow rod 54 are coupled, the second screws 55 are screwed into the two third screw holes 532 and the fourth screw holes 541, respectively, so that the first hollow rod 53 and the second hollow rod 54 are fixed as a horizontally long rod.
In actual use, if the distance between the reference pile 3 and the indication column 4 is long, the first hollow bar 53 and the second hollow bar 54 are connected together for use, and if the distance between the reference pile 3 and the indication column 4 is short, the first hollow bar 53 alone may be used.
The arrangement of the differential settlement monitoring device for new and old road surfaces in this embodiment is shown in fig. 10.
Because the road surface is when the enlargement, old road surface generally need continue to lead to the car, separates with the median between the new and old road surface, does not allow to place monitoring devices on the old road surface that leads to the car, the utility model discloses new and old road surface difference settlement monitoring devices just lays in the median, does not influence the old road surface on the vehicle normally current.
The new and old road surface differential settlement monitoring devices are arranged on two sides of the phase connection line 23 of the old road foundation 21 and the new road foundation 22, and the new and old road surface differential settlement monitoring devices located in the range of the isolation belts 71 and 72 are the new and old road surface differential settlement monitoring devices in the embodiment 1. In general, the new roadbed 22 is relatively significantly settled compared to the old roadbed 21, and therefore the reference piles 3 are laid on the ground surface in the isolation zone 71 on the side of the old roadbed 21, and the indication columns 4 are laid on the ground surface in the isolation zone 72 on the side of the road surface on which the new roadbed 22 is located. Of course, the measurement results can also be obtained by arranging the reference piles 3 and the marking columns 4 in the adjusted positions.
The new roadbed 22 is relatively obviously settled, so that the marking upright post 4 arranged on the new roadbed 22 can slightly incline, and the air bubbles on the second level gauge on the marking upright post 4 can not be centered again, so that the new roadbed 22 can be judged to be settled. Because the telescopic pulley mechanism is arranged on the marking upright post 4, pulleys on two sides of the telescopic pulley mechanism can be always kept in contact with the grooves in the sleeves, so that the sleeves on the marking upright post 4 are not influenced to be kept in a vertical state under the condition that the marking upright post 4 is slightly inclined, and the settlement difference between the old roadbed 21 and the new roadbed 22 can be accurately reflected by the reading indicated by the sleeves.
The present invention has been described in detail with reference to the accompanying drawings and embodiments, but those skilled in the art will understand that various specific parameters in the above embodiments can be changed without departing from the spirit of the present invention to form a plurality of specific embodiments, which are the common variation ranges of the present invention and will not be described in detail herein.
Claims (8)
1. The utility model provides a new and old road surface difference settlement monitoring devices which characterized in that includes:
the leveling support is used for standing on the ground and leveling, and comprises a disc seat, wherein the lower surface of the disc seat is provided with at least three supporting legs with adjustable lengths;
the reference pile is arranged on the leveling bracket;
the first level is arranged on the reference pile or the leveling bracket;
the base is used for horizontally standing on the ground;
the marking upright post is arranged on the base, and is provided with scale marks extending in the vertical direction;
the second level is arranged on the marking upright post or the base;
the indication rod, the one end of indication rod is installed on the reference stake, be equipped with on the other end and be used for instructing mark the instruction part of the scale on the stand, indicate that the part is established for the cover mark the sleeve on the stand, the sleeve vertical fixation be in the tip of indication rod.
2. The differential settlement monitoring device for new and old road surfaces as claimed in claim 1, wherein a telescopic pulley mechanism is arranged at the upper part of the marking upright post, the telescopic pulley mechanism comprises a rotating plate, and the rotating plate is hinged on the marking upright post through a rotating shaft; a first pulley and a second pulley are respectively hinged to two sides of the rotating plate;
two grooves corresponding to the first pulley and the second pulley are formed in the inner wall of the sleeve.
3. The differential settlement monitoring device for new and old road surfaces as claimed in claim 2, wherein a vertical through hole corresponding to the rotating plate is formed in the middle of the upper portion of the wall surface of the marking upright post, and the rotating plate is hinged to the marking upright post after passing through the vertical through hole.
4. The device for monitoring differential settlement of new and old road surfaces according to claim 2, wherein a first hanging lug and a second hanging lug are respectively arranged on the left side and the right side of the indicating upright post, the first hanging lug is positioned above the rotating shaft, the second hanging lug is positioned below the rotating shaft, a first hanging hole and a second hanging hole are respectively arranged on the left side and the right side of the rotating plate, a first spring is hung between the first hanging hole and the first hanging lug, a second spring is hung between the second hanging hole and the second hanging lug, and when the rotating plate inclines, the first spring and the second spring are both in a stretching or compressing state.
5. The differential settlement monitoring device for new and old road surfaces as claimed in claim 1, wherein the reference pile is provided with a mounting through hole matched with the indicating rod, and the indicating rod is inserted into the mounting through hole; and when the indicating rod moves to a proper position along the installation through hole, first screws are correspondingly screwed in the corresponding first screw holes and the second screw holes.
6. The device for monitoring differential settlement of new and old road surfaces according to claim 5, wherein there are two first screw holes, and the two first screw holes are located at the same horizontal plane, and each second screw hole is also located at the same horizontal plane, and the distance between the adjacent second screw holes is the same as the distance between the two first screw holes;
the first screw hole penetrates through the reference pile, the second screw hole penetrates through the indicating rod, and the first screw penetrates through the first screw hole and the corresponding second screw hole.
7. The device for monitoring differential settlement of new and old road surfaces as claimed in claim 1, wherein the indication rod comprises a first hollow rod and a second hollow rod, a third screw hole is provided on the rod wall of one end of the first hollow rod, a fourth screw hole corresponding to the third screw hole is provided on the rod wall of one end of the second hollow rod, the end of the first hollow rod is inserted into the end of the second hollow rod, and a second screw is correspondingly screwed into the third screw hole and the fourth screw hole.
8. The device for monitoring differential settlement of new and old road surfaces as claimed in claim 1, wherein the base is tapered from top to bottom, the lower end of the indication column is provided with a threaded section, the top of the base is provided with a threaded interface corresponding to the threaded section, the lower surface of the base is a plane, and the axis of the threaded interface is perpendicular to the lower surface of the base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922039832.5U CN211312122U (en) | 2019-11-23 | 2019-11-23 | New and old road surface differential settlement monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922039832.5U CN211312122U (en) | 2019-11-23 | 2019-11-23 | New and old road surface differential settlement monitoring device |
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| Publication Number | Publication Date |
|---|---|
| CN211312122U true CN211312122U (en) | 2020-08-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201922039832.5U Active CN211312122U (en) | 2019-11-23 | 2019-11-23 | New and old road surface differential settlement monitoring device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110904796A (en) * | 2019-11-23 | 2020-03-24 | 郑州大学 | Differential settlement monitoring device and method for new and old road surfaces |
| CN113188512A (en) * | 2021-05-08 | 2021-07-30 | 深圳市鹰眼在线电子科技有限公司 | Pavement settlement camera monitoring system |
| CN114277626A (en) * | 2022-01-10 | 2022-04-05 | 中南大学 | Hydraulic monitoring device for vertical settlement difference of joint end of railway track |
-
2019
- 2019-11-23 CN CN201922039832.5U patent/CN211312122U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110904796A (en) * | 2019-11-23 | 2020-03-24 | 郑州大学 | Differential settlement monitoring device and method for new and old road surfaces |
| CN113188512A (en) * | 2021-05-08 | 2021-07-30 | 深圳市鹰眼在线电子科技有限公司 | Pavement settlement camera monitoring system |
| CN114277626A (en) * | 2022-01-10 | 2022-04-05 | 中南大学 | Hydraulic monitoring device for vertical settlement difference of joint end of railway track |
| CN114277626B (en) * | 2022-01-10 | 2022-09-09 | 中南大学 | Hydraulic monitoring device for vertical settlement difference of joint end of railway track |
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