CN219280770U - Foundation settlement monitoring device - Google Patents
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- CN219280770U CN219280770U CN202223515754.XU CN202223515754U CN219280770U CN 219280770 U CN219280770 U CN 219280770U CN 202223515754 U CN202223515754 U CN 202223515754U CN 219280770 U CN219280770 U CN 219280770U
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Abstract
The utility model relates to the technical field of engineering construction monitoring, and particularly discloses a foundation settlement monitoring device which comprises a settlement rod, wherein the settlement rod is pre-buried in a soil body to be monitored, a plurality of displacement monitoring units are arranged on a certain section along the length direction of the settlement rod, the displacement monitoring units are uniformly distributed along the circumferential direction of the settlement rod, each displacement monitoring unit comprises an elastic telescopic piece and a settlement block, the elastic telescopic pieces are arranged in a telescopic groove on the outer wall of the settlement rod, the settlement blocks are connected with the elastic telescopic pieces and extend to the outer side of the telescopic groove, each elastic telescopic piece comprises a spring fixedly connected to the settlement rod, the settlement blocks are connected with the springs, the foundation settlement monitoring device also comprises a tension sensor for monitoring the tension of the springs, the tension sensor is in communication connection with a monitoring platform, and is used for transmitting the tension value of the monitored springs, and the monitoring platform knows settlement information according to the monitoring device buried in the soil body of the foundation on site, so that timely safety measures are conveniently taken.
Description
Technical Field
The utility model relates to the technical field of engineering construction monitoring, in particular to a foundation settlement monitoring device.
Background
The foundation settlement refers to the foundation surface subsidence caused by compaction of a foundation layer under the action of additional stress, and the foundation settlement can cause serious engineering accidents such as building inclination, foundation cracking and the like, so that in the engineering technical construction process, foundation settlement monitoring is always the most important research topic in a monitoring system, and is also the most important technical problem faced in the construction process.
In the prior art, when foundation settlement is monitored, only a certain part can be monitored integrally, whether settlement occurs at the part is monitored in a mode of arranging monitoring points, and when whether uneven settlement occurs at the construction part is required to be monitored, a plurality of monitoring points are required to be arranged simultaneously for monitoring, so that not only is the installation efficiency lower, but also the settlement of each monitoring point is required to be analyzed, and the monitoring efficiency is lower.
Disclosure of Invention
At least one of the objects of the present utility model is to provide a foundation settlement device, which is capable of determining whether uneven settlement occurs by arranging a plurality of relatively independent monitoring blocks on a settlement rod, each of the monitoring blocks being located at a different orientation, and determining whether the differential settlement occurs according to whether the settlement amount monitored by each of the monitoring blocks is the same when settlement occurs.
In order to achieve the above object, the present utility model adopts a technical scheme including the following aspects.
The utility model provides a foundation subsides monitoring devices, includes the subsider that is used for pre-buried in waiting to monitor the soil body, installs a plurality of displacement monitoring units on a certain cross-section along this subsider length direction, a plurality of displacement monitoring units are evenly arranged along subsider circumference, displacement monitoring units include elastic telescoping member and subsider, elastic telescoping member arranges in the expansion tank on the subsider outer wall, the subsider is connected with elastic telescoping member to extend to the expansion tank outside, the face and the subsider axis of subsider are perpendicular, elastic telescoping member includes the spring of fixed connection on the subsider, subsider and spring coupling, and this foundation subsider still includes the tension sensor of monitoring spring pulling force size, tension sensor and monitoring platform communication connection for the transmission of the spring pulling force value that monitors, monitoring platform is buried in the foundation soil body according to scene monitoring devices and is known subsider information, is convenient for take the safety measure in time.
The sedimentation rod is buried in the soil body to be monitored, after the foundation soil body around the sedimentation rod is settled, the soil body settlement phenomenon is monitored through the displacement monitoring units, and as a plurality of displacement monitoring units are arranged on the sedimentation rod and located in different directions, when the foundation is settled in different directions, the displacement monitoring units in each direction monitor different settlement amounts, and then whether the foundation is unevenly settled is determined.
The plate surface of the sedimentation block is perpendicular to the axial line of the sedimentation rod, when the foundation is settled, the foundation soil body pushes the settlement to displace downwards quickly, the tension of the spring is monitored by adopting the tension sensor and is transmitted to the center of the monitoring platform, and the monitoring platform obtains displacement according to the stiffness coefficient of the spring, namely the settlement of the foundation soil body.
And the outer wall of the sedimentation rod is provided with a telescopic groove, and an elastic telescopic piece comprising a tension sensor, a spring and the like is arranged in the telescopic groove, so that the elastic telescopic piece is prevented from generating monitoring errors due to the influence of soil sedimentation, and the monitoring accuracy is ensured as much as possible.
The displacement monitoring units are arranged on a certain section of the length direction of the sedimentation rod, so that after the sedimentation rod is embedded, each displacement monitoring unit is positioned in the same soil depth, monitoring errors are further reduced, and accuracy of results is guaranteed.
As a preferred aspect of the present utility model, the foundation settlement monitoring device further comprises a positioning sleeve fixed to the settlement rod, and the displacement monitoring unit is provided on the positioning sleeve.
The positioning sleeve is used for installing the displacement monitoring unit, and can be sleeved on the sedimentation rod, so that the displacement monitoring unit can be conveniently installed.
As a preferable scheme of the utility model, the positioning sleeve comprises a cylinder cover and a plurality of separation strips connected to the cylinder cover, a cylinder cover hole for penetrating through the sedimentation rod is formed in the cylinder cover, a telescopic groove is formed between two adjacent separation strips and the sedimentation rod, the sedimentation rod comprises a thicker first section and a thinner second section, the positioning sleeve is fixed at the joint of the first section and the second section through the cylinder cover, and the displacement monitoring unit is fixedly arranged on the cylinder cover.
The positioning sleeve with the structural form can be used for fixedly mounting the displacement monitoring unit on the positioning sleeve in advance, the barrel cover of the positioning sleeve is fixed on the sedimentation rod, the sedimentation rod is convenient to use and comprises two sections, the diameters of the two sections are different, the size of a barrel cover hole is set to be larger than that of the second section and smaller than that of the first section, and the positioning sleeve can be fixedly mounted at the joint of the first section and the second section, so that the monitoring result is accurate.
As a preferable scheme of the utility model, the spring and the tension sensor are arranged in the telescopic cylinder, the outer side of the top of the telescopic cylinder is fixed on the cylinder cover, the upper end of the spring is fixed on the inner side of the top of the telescopic cylinder through the tension sensor, the lower end of the spring is connected with the connecting rod, the connecting rod penetrates through the moving hole of the telescopic cylinder to be connected with the sedimentation block, and the size of the connecting rod is smaller than that of the moving hole.
The spring and the tension sensor are arranged in the telescopic cylinder, so that the sedimentation block can be ensured to be connected with the spring and the tension sensor through the connecting rod, the spring can be freely stretched, the sedimentation block can be freely settled, the monitoring result is prevented from being influenced by the interference of sedimentation soil bodies on the connecting rod and the spring, the connecting rod penetrates through the moving hole of the telescopic cylinder, and the connecting rod is enabled to freely move under the driving of the sedimentation block.
As a preferable mode of the utility model, the settling block is a sector plate structure. The sedimentation block is arranged into a fan-shaped plate structure, so that the sedimentation block can accept the sedimentation soil body with the largest area in the smallest area in the direction, and when the soil body in the direction is settled, the sedimentation block can be settled together with the soil body, thereby further ensuring the monitoring accuracy.
As a preferable scheme of the utility model, the connecting rod is an L-shaped connecting rod and comprises a telescopic rod which penetrates through the bottom of the telescopic cylinder and a cross rod which is rigidly connected with the telescopic rod, and the cross rod is vertically connected with the telescopic rod. The L-shaped connecting rod is used for connecting the spring and the settling block, so that the settling block is arranged outside the telescopic groove, the settling block is fully embedded into the foundation soil body to be monitored, and the settlement monitoring sensitivity is ensured.
As a preferable scheme of the utility model, the number of the sedimentation blocks is three or four, and each sedimentation block is correspondingly provided with an elastic telescopic piece.
As a preferable scheme of the utility model, the foundation settlement monitoring device further comprises a positioning ring arranged on the settlement rod, wherein a plurality of positioning wings are arranged on the positioning ring, the number of the positioning wings is consistent with that of the displacement monitoring units, and the direction of each positioning wing is consistent with that of the displacement monitoring units.
The setting ring is arranged on the sedimentation rod, the quantity and the direction of the positioning wings on the setting ring are consistent with those of the displacement monitoring units, and when the sedimentation quantity of one displacement monitoring unit is inconsistent with those monitored by other displacement monitoring units, the azimuth and the state of uneven sedimentation can be correspondingly determined.
As a preferable scheme of the utility model, the positioning ring comprises a fixing part fixed on the sedimentation rod and a plurality of positioning wings integrally connected with the fixing part, wherein the positioning wings extend outwards along the direction perpendicular to the axial line of the sedimentation rod, one end of each positioning wing far away from the sedimentation rod is provided with a positioning cavity for installing a receiving and transmitting radio frequency chip, the receiving and transmitting radio frequency chip is used for receiving positioning signals of a Beidou satellite system, and the fixing part is of a cylindrical structure with a positioning edge in the middle.
The positioning ring with the structural form can greatly improve the positioning of the uneven settlement part, realize remote positioning by being in communication connection with a Beidou system, timely control the state of uneven settlement and take measures correspondingly.
As a preferred embodiment of the utility model, the settling leg further comprises a third section having a smaller diameter than the second section, and the positioning ring is mounted at the junction of the second section and the third section by its fixing portion.
The fixed part of locating ring is sleeve structure, installs the locating ring on the sedimentation rod through the mounting hole in the middle of the fixed part, and the diameter of mounting hole is greater than the diameter of the third segmentation of sedimentation rod, is less than the diameter of the second segmentation of sedimentation rod simultaneously.
Correspondingly, the technical scheme also provides a foundation settlement monitoring method, which comprises the following steps:
A. the displacement monitoring unit is arranged on the sedimentation rod and is pre-buried at the position to be monitored of foundation sedimentation;
B. installing positioning rings to enable the positioning wings, the positioning cavities and the sedimentation blocks to be in one-to-one correspondence in direction and quantity;
C. according to the tension monitoring devices on the plurality of sedimentation blocks, tension values are obtained, the sedimentation amounts of the sedimentation blocks are obtained, and whether non-uniform sedimentation is carried out or not is judged according to the sedimentation amounts;
D. and alarming after the uneven settlement exceeds a certain threshold value, and processing on site according to the actual state of uneven settlement.
By adopting the monitoring method, whether the differential settlement is detected and judged accurately, the specific state of the differential settlement can be known accurately, the situation of larger settlement in which direction occurs can be mastered in time, the settlement amount in which direction is lower, a transceiver radio frequency chip which can receive positioning signals of the Beidou satellite system is arranged in the positioning cavity, the positioning of the differential settlement part can be greatly improved, the positioning ring does not need to be positioned in the field in the direction, the remote positioning can be realized by communicating with the Beidou system, and the state of the differential settlement can be mastered in time and measures are taken correspondingly.
In summary, due to the adoption of the technical scheme, the utility model has at least the following beneficial effects:
1. the method comprises the steps that a sedimentation rod is buried in a soil body to be monitored, after the foundation soil body around the sedimentation rod is settled, the soil body settlement phenomenon is monitored through a displacement monitoring unit, and as a plurality of displacement monitoring units are arranged on the sedimentation rod and located in different directions, when the foundation is settled in different directions, the displacement monitoring units in each direction monitor different settlement amounts, and then whether the foundation is unevenly settled is determined;
2. arranging a telescopic groove on the outer wall of the sedimentation rod, arranging an elastic telescopic piece comprising a tension sensor, a spring and the like in the telescopic groove, avoiding the monitoring error of the elastic telescopic piece caused by the influence of soil sedimentation, and ensuring the monitoring accuracy as much as possible;
3. the spring and the tension sensor are arranged in the telescopic cylinder, so that the sedimentation block can be ensured to freely stretch after being connected with the spring and the tension sensor through the connecting rod, the sedimentation block can be enabled to freely sediment, the influence on a monitoring result caused by the interference of a sedimentation soil body on the connecting rod and the spring is avoided, the connecting rod penetrates through a moving hole of the telescopic cylinder, and the connecting rod is enabled to freely move under the driving of the sedimentation block;
4. the setting ring is arranged on the sedimentation rod, the quantity and the direction of the positioning wings on the setting ring are consistent with those of the displacement monitoring units, and when the sedimentation quantity of one displacement monitoring unit is inconsistent with those monitored by other displacement monitoring units, the azimuth and the state of uneven sedimentation can be correspondingly determined.
Drawings
Fig. 1 is a schematic structural view of a foundation settlement monitoring device according to an exemplary embodiment of the present utility model.
Fig. 2 is a schematic view illustrating a structure of another view of the foundation settlement monitoring device according to the exemplary embodiment of the present utility model.
Fig. 3 is a top view of a foundation settlement monitoring device according to an exemplary embodiment of the present utility model.
Fig. 4 is a cross-sectional view of A-A in fig. 3.
Fig. 5 is a schematic structural view of the displacement monitoring unit mounted on the positioning sleeve.
Fig. 6 is a schematic structural view of a settling leg in the foundation settlement monitoring device.
Fig. 7 is a schematic structural view of a positioning ring in the foundation settlement monitoring device.
Fig. 8 is a schematic structural view of a positioning sleeve in the foundation settlement monitoring device.
The marks in the figure are as follows: 1-settling leg, 11-first section, 12-second section, 13-third section, 14-telescoping slot, 15-positioning slot, 2-displacement monitoring unit, 21-settling block, 211-first settling block, 212-second settling block, 213-third settling block, 22-connecting rod, 221-cross bar, 222-telescoping rod, 23-telescoping cylinder, 231-moving hole, 24-spring, 25-tension sensor, 3-positioning ring, 3 a-positioning wing, 3 b-fixed part, 31-first positioning wing, 32-second positioning wing, 33-third positioning wing, 34-positioning cavity, 35-mounting hole, 36-positioning rib, 4-positioning sleeve, 41-dividing bar, 42-positioning rib, 43-cylinder cover, 44-cylinder cover hole, 5-shielding plate.
Detailed Description
The present utility model will be described in further detail with reference to the drawings and examples, so that the objects, technical solutions and advantages of the present utility model will become more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
Fig. 1 to 8 illustrate a foundation settlement monitoring device according to an exemplary embodiment of the present utility model. The foundation settlement monitoring device according to this embodiment of fig. 1 mainly comprises a settlement rod 1 which is pre-buried in a foundation soil body to be monitored, wherein the settlement rod 1 is of a solid rod or hollow tube structure, a plurality of displacement monitoring units 2 are installed on a certain section along the length direction of the settlement rod 1, the displacement monitoring units 2 are uniformly distributed along the circumference direction of the settlement rod 1, each displacement monitoring unit 2 comprises an elastic telescopic piece and a settlement block 21, the elastic telescopic pieces are arranged in a telescopic groove 14 on the outer wall of the settlement rod 1, the settlement blocks 21 are connected with the elastic telescopic pieces and extend to the outer side of the telescopic groove 14, the plate surface of each settlement block 21 is perpendicular to the axis of the settlement rod 1, each elastic telescopic piece comprises a spring 24 fixedly connected to the settlement rod 1, each settlement block 21 is connected with each spring 24, each foundation settlement monitoring device further comprises a tension sensor 25 for monitoring the size of each spring 24, each tension sensor 25 is in communication connection with a monitoring platform and is used for transmitting the tension value received by each monitored spring 24, each monitoring platform is convenient to know the settlement information in time according to the monitoring device buried in the foundation soil body on site. By adopting the foundation settlement monitoring device of the embodiment, after the foundation soil around the settlement rod 1 is settled, the soil settlement phenomenon is monitored through the displacement monitoring units 2, the displacement monitoring units 2 are located in different directions, the displacement monitoring units 2 in each direction monitor different settlement amounts, and whether the foundation is settled unevenly is further determined.
As one of the preferred embodiments, this foundation settlement monitoring device still includes the positioning sleeve 4 of fixing on the settlement rod 1, as shown in fig. 1, 5 and 8, displacement monitoring unit 2 sets up on the positioning sleeve 4, positioning sleeve 4 includes cover 43 and a plurality of dividing strips 41 of connection on cover 43, offer on the cover 43 and be used for passing the cover hole 44 of settlement rod 1, adjacent two form telescopic tank 14 between dividing strip 41 and the settlement rod 1, settlement rod 1 includes thicker first segmentation 11 and thinner second segmentation 12, positioning sleeve 4 passes through cover 43 to be fixed in first segmentation 11 and second segmentation 12 junction, displacement monitoring unit 2 fixed mounting is in the top inboard of cover 43, when using, can be with displacement monitoring unit 2 fixed mounting on positioning sleeve 4 in advance, rethread positioning sleeve 4's cover 43 is fixed on settlement rod 1, and it is convenient to use, and settlement rod 1's first segmentation 11 diameter is greater than second segmentation 12 and is installed in second segmentation 11 and is installed in second segmentation 12 and is installed in the telescopic tank 14, can install in second segmentation 11 and is installed in the form of setting up in second segmentation 12 on the setting up the telescopic tank 1, can install in the telescopic tank 1, and install the telescopic tank 1 at the second segmentation 1 and is in the accurate setting 1.
As a further preferred embodiment, as shown in fig. 4 and 5, a telescopic cylinder 23 is provided in the telescopic tank 14 of the settling leg 1, an elastic telescopic member including a spring 24 and a tension sensor 25 is provided in the telescopic cylinder 23, the top outer side of the telescopic cylinder 23 is fixed on a cylinder cover 43, the upper end of the spring 24 is fixed on the top inner side of the telescopic cylinder 23 by the tension sensor 25, the lower end of the spring 24 is connected with a connecting rod 22, the connecting rod 22 is an L-shaped connecting rod, the connecting rod 22 is connected with the settling block 21 through a moving hole 231 of the telescopic cylinder 23, the connecting rod 22 has a size smaller than the moving hole 231, the connecting rod comprises a telescopic rod 222 for passing through the bottom of the telescopic cylinder 23 and a cross rod 221 rigidly connected with the telescopic rod 222, the cross rod 221 is vertically connected with the telescopic rod 222, both ends of the L-shaped connecting rod are respectively connected with the spring 24 and the settling block 21, so that the sedimentation block 21 is arranged on the outer side of the expansion tank 14, the sedimentation block 21 is fully embedded into the foundation soil to be monitored, sedimentation monitoring sensitivity is ensured, the spring 24 and the tension sensor 25 are arranged in the expansion cylinder 23, the sedimentation block 21 can be ensured to be connected with the spring 24 and the tension sensor 25 through the connecting rod 22, the spring 24 can freely expand and contract, the sedimentation block 21 can be enabled to freely sediment, the influence of the interference of the connecting rod 22 and the spring 24 on the monitoring result caused by the sedimentation soil is avoided, the connecting rod 22 passes through the moving hole 231 of the expansion cylinder 23, the connecting rod 23 is enabled to freely move under the driving of the sedimentation block 21, the sedimentation block 21 is in a fan-shaped plate structure, the sedimentation block 21 can bear the largest area of sedimentation soil in the minimum area in the direction, when the soil in the direction is settled, the sedimentation block can be settled together with the soil, the monitoring accuracy is further ensured, each elastic expansion piece comprises one sedimentation block 21, the number of settling blocks 21 is three or four.
As one of the preferred embodiments, the foundation settlement monitoring device of the present embodiment further includes a positioning ring 3 mounted on the settlement rod 1, a plurality of positioning wings 3a are provided on the positioning ring 3, the number of the positioning wings 3a is consistent with the number of the displacement monitoring units 2, and the direction of each positioning wing 3a is consistent with the direction of the displacement monitoring unit 2, specifically in the present embodiment, as shown in fig. 1 and 2, three displacement monitoring units 2 are provided, each displacement monitoring unit 2 is correspondingly provided with a settling block 21, 3 positioning wings 3a are provided on the positioning ring 3, including a first positioning wing 31, a second positioning wing 32 and a third positioning wing 33, the settling block 21 includes a first settling block 211, a second settling block 212 and a third settling block 213, the first positioning wing 31 is consistent with the direction of the first settling block 211, the second positioning wing 32 is consistent with the direction of the second settling block 212, the third positioning wing 33 is consistent with the direction of the third settling block 213, when the settling amount of a certain displacement monitoring unit is inconsistent with the displacement monitoring unit, and the settlement state can be determined according to the differential settlement state of the differential settlement state.
As shown in fig. 7, the positioning ring 3 further includes a fixing portion 3b fixed on the settling rod 1, and a plurality of positioning wings 3a integrally connected with the fixing portion 3b, where a plurality of positioning wings 3a extend outwards along a direction perpendicular to the axial line of the settling rod 1, and one end of each positioning wing 3a, far away from the settling rod 1, is provided with a positioning cavity 34 for mounting a transceiver chip, where the transceiver chip is used to receive positioning signals of a beidou satellite system, and the positioning ring 3 in this structural form can greatly improve positioning of uneven settling positions, and realize remote positioning by communicating with the beidou system, timely control an uneven settling state and take corresponding measures; the fixing part 3b is a cylindrical structure with a positioning rib 36 in the middle, the positioning rib 36 is clamped in the positioning groove 15 of the sedimentation rod 1, correspondingly, when the positioning sleeve 4 is installed, the positioning convex rib 42 of the positioning sleeve 4 is also clamped in the positioning groove 15, so that the positioning wing corresponds to the direction of the sedimentation block. In order to facilitate rapid installation of the positioning ring 3, the setting rod 1 is preferably provided with a three-section structure with sequentially increasing radius from top to bottom, as shown in fig. 6, the setting rod comprises a third section 13, a second section 12 and a first section 11, the diameters of the three sections are respectively 30-40mm, 40-50mm and 60-80mm, the positioning ring 3 is installed at the junction of the second section 12 and the third section 13 through a fixing part 3b of the positioning ring 3, the fixing part 3b of the positioning ring 3 is of a sleeve structure, the positioning ring 3 is installed on the setting rod 1 through a mounting hole 35 in the middle of the fixing part 3b, and the diameter of the mounting hole 35 is larger than that of the third section 13 in the setting rod 1 and smaller than that of the second section 12.
The foundation settlement monitoring device of the embodiment provides a foundation settlement monitoring method, which comprises the following steps:
A. the displacement monitoring unit is arranged on the sedimentation rod and is pre-buried at the position to be monitored of foundation sedimentation;
B. installing positioning rings to enable the positioning wings, the positioning cavities and the sedimentation blocks to be in one-to-one correspondence in direction and quantity;
C. according to the tension monitoring devices on the plurality of sedimentation blocks, tension values are obtained, the sedimentation amounts of the sedimentation blocks are obtained, and whether non-uniform sedimentation is carried out or not is judged according to the sedimentation amounts;
D. alarming after the uneven settlement exceeds a certain threshold value, and processing on site according to the actual state of uneven settlement; the monitoring method can accurately monitor and judge whether the settlement is uneven settlement or not, can accurately know the specific state of the uneven settlement, can timely master which direction has larger settlement and which direction has lower settlement amount, is provided with the transceiver radio frequency chip which can receive the positioning signals of the Beidou satellite system in the positioning cavity, can greatly improve the positioning of the uneven settlement part, does not need to position the positioning ring in the field, can realize remote positioning by communicating with the Beidou system, and timely controls the state of the uneven settlement and takes corresponding measures.
The foregoing is a detailed description of specific embodiments of the utility model and is not intended to be limiting of the utility model. Various alternatives, modifications and improvements will readily occur to those skilled in the relevant art without departing from the spirit and scope of the utility model.
Claims (10)
1. The utility model provides a foundation subsides monitoring devices, its characterized in that, including being used for pre-buried subsider (1) in waiting to monitor soil body, install a plurality of displacement monitoring units (2) on a certain cross-section of this subsider (1) length direction, a plurality of displacement monitoring units (2) are evenly arranged along subsider (1) circumference, displacement monitoring units (2) include elastic telescoping member and subsider (21), in the expansion tank (14) of elastic telescoping member arrangement on subsider (1) outer wall, subsider (21) are connected with elastic telescoping member to extend to the expansion tank (14) outside, the face of subsider (21) is perpendicular with subsider (1) axis, elastic telescoping member includes spring (24) of fixed connection on subsider (1), subsider (21) are connected with spring (24), and this foundation subsider monitoring devices still includes the tensile force sensor (25) of monitoring spring (24) pulling force size, tensile force sensor (25) are connected with monitoring platform communication for the spring value that transmits to.
2. A foundation settlement monitoring device according to claim 1, further comprising a positioning sleeve (4) fixed to the settlement rod (1), the displacement monitoring unit (2) being provided at the positioning sleeve (4).
3. Foundation settlement monitoring device according to claim 2, characterized in that the positioning sleeve (4) comprises a cylinder cover (43) and a plurality of separation strips (41) connected to the cylinder cover (43), cylinder cover holes (44) for penetrating through the settlement rod (1) are formed in the cylinder cover (43), telescopic grooves (14) are formed between two adjacent separation strips (41) and the settlement rod (1), the settlement rod (1) comprises a thicker first section (11) and a thinner second section (12), the positioning sleeve (4) is fixed at the joint of the first section (11) and the second section (12) through the cylinder cover (43), and the displacement monitoring unit (2) is fixedly mounted on the cylinder cover (43).
4. A foundation settlement monitoring device according to claim 3, wherein the spring (24) and the tension sensor (25) are arranged in the telescopic cylinder (23), the top outer side of the telescopic cylinder (23) is fixed on the cylinder cover (43), the upper end of the spring (24) is fixed on the top inner side of the telescopic cylinder (23) through the tension sensor (25), the lower end of the spring (24) is connected with the connecting rod (22), the connecting rod (22) passes through the moving hole (231) of the telescopic cylinder (23) and is connected with the settlement block (21), and the size of the connecting rod (22) is smaller than that of the moving hole (231).
5. The foundation settlement monitoring device according to claim 4, wherein the connecting rod (22) is an L-shaped connecting rod, comprising a telescopic rod (222) for passing through the bottom of the telescopic cylinder (23) and a cross rod (221) rigidly connected with the telescopic rod (222), and the cross rod (221) is vertically connected with the telescopic rod (222).
6. Foundation settlement monitoring device according to one of the claims 1-5, characterized in that the settling block (21) is of a sector plate-like structure.
7. Foundation settlement monitoring device according to one of the claims 1-5, characterized in that the number of the settlement blocks (21) is three or four, each settlement block (21) being provided with an elastic telescopic member.
8. Foundation settlement monitoring device according to one of claims 1 to 5, further comprising a positioning ring (3) mounted on the settlement rod (1), wherein the positioning ring (3) is provided with a plurality of positioning wings (3 a), the number of the positioning wings (3 a) is consistent with the number of the displacement monitoring units (2), and the direction of each positioning wing (3 a) is consistent with the displacement monitoring unit (2).
9. The foundation settlement monitoring device according to claim 8, wherein the positioning ring (3) comprises a fixing part (3 b) fixed on the settlement rod (1), and a plurality of positioning wings (3 a) integrally connected with the fixing part (3 b), the positioning wings (3 a) extend outwards along the direction perpendicular to the axis of the settlement rod (1), and one end of each positioning wing (3 a) far away from the settlement rod (1) is provided with a positioning cavity (34) for installing a transceiver chip for receiving positioning signals of a Beidou satellite system, and the fixing part (3 b) is a cylindrical structure with a positioning edge in the middle.
10. Foundation settlement monitoring device according to claim 8, characterized in that the settlement rod (1) further comprises a third section (13), the third section (13) having a smaller diameter than the second section (12), the positioning ring (3) being mounted by its fixing part (3 b) at the junction of the second section (12) and the third section (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202223515754.XU CN219280770U (en) | 2022-12-28 | 2022-12-28 | Foundation settlement monitoring device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202223515754.XU CN219280770U (en) | 2022-12-28 | 2022-12-28 | Foundation settlement monitoring device |
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| CN219280770U true CN219280770U (en) | 2023-06-30 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116518911A (en) * | 2023-07-03 | 2023-08-01 | 北京城建勘测设计研究院有限责任公司天津分公司 | Foundation pit support structure deformation monitoring device |
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2022
- 2022-12-28 CN CN202223515754.XU patent/CN219280770U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116518911A (en) * | 2023-07-03 | 2023-08-01 | 北京城建勘测设计研究院有限责任公司天津分公司 | Foundation pit support structure deformation monitoring device |
| CN116518911B (en) * | 2023-07-03 | 2023-08-29 | 北京城建勘测设计研究院有限责任公司天津分公司 | Foundation pit support structure deformation monitoring device |
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