CN215906736U - Foundation pit support horizontal deformation monitoring device - Google Patents
Foundation pit support horizontal deformation monitoring device Download PDFInfo
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- CN215906736U CN215906736U CN202121755624.6U CN202121755624U CN215906736U CN 215906736 U CN215906736 U CN 215906736U CN 202121755624 U CN202121755624 U CN 202121755624U CN 215906736 U CN215906736 U CN 215906736U
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- foundation pit
- balancing weight
- deformation monitoring
- supporting structure
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Abstract
The utility model discloses a horizontal deformation monitoring device for a foundation pit support, and belongs to the technical field of foundation pit side slope support. This excavation supporting horizontal deformation monitoring devices includes: a support plate; the light ray emitter is used for emitting vertical beam-concentrating light; the bottom end of the installation box is provided with an opening; the bearing is connected to the side wall of the installation box; the trapezoidal balancing weight is fixedly connected to the lower side of the shaft body of the rotating shaft, and the lower bottom surface and the two waist surfaces of the trapezoidal balancing weight are provided with reflectors; the photoelectric receiver is used for receiving the convergent light reflected by the reflector on the waist surface of the trapezoidal balancing weight; an alarm; and the controller is electrically connected with the light transmitter, the two photoelectric receivers and the alarm. The foundation pit supporting horizontal deformation monitoring device can give an alarm in time when the top of a foundation pit supporting structure is subjected to horizontal displacement or inclination, so that constructors are reminded to carry out reinforcement or evacuation, and the possibility of foundation pit side slope landslide is effectively reduced.
Description
Technical Field
The utility model relates to the technical field of foundation pit slope support, in particular to a horizontal deformation monitoring device for foundation pit support.
Background
The construction of engineering often can meet the operation of excavation foundation ditch, and the foundation ditch is excavated after supporting usually, and need strut before excavation of foundation ditch to prevent the foundation ditch side slope phenomenon of collapsing in follow-up operation in-process.
The existing foundation pit supporting structure lacks a monitoring function for horizontal deformation of a side slope, and cannot give an alarm in time when the horizontal deformation of the side slope causes horizontal displacement or inclination of the supporting structure, so that potential safety hazards exist.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the problems in the prior art, and provides a foundation pit supporting horizontal deformation monitoring device which can give an alarm in time when the top of a foundation pit supporting structure is horizontally displaced or inclined, so that constructors are reminded to reinforce the supporting structure or withdraw the supporting structure in time before the supporting structure is inclined, and the possibility of foundation pit side slope landslide is effectively reduced.
The utility model provides a foundation pit support horizontal deformation monitoring device, which comprises:
the support plate is fixedly arranged at the bottom of the foundation pit close to the bottom end of the supporting structure;
the light ray emitter is used for emitting vertical beam-concentrating light;
the mounting box is fixedly connected to the supporting structure and fixedly connected to the top end of the supporting structure, and the bottom end of the mounting box is provided with an opening;
the bearing is connected to the side wall of the installation box, and the axis of the rotating shaft is parallel to the horizontal plane and the supporting structure;
the trapezoidal balancing weight is fixedly connected to the lower side of the shaft body of the rotating shaft, the lower bottom surface of the trapezoidal balancing weight is parallel to the horizontal plane, reflectors are arranged on the lower bottom surface and two waist surfaces of the trapezoidal balancing weight, and the convergent light emitted by the light emitter irradiates on the reflectors on the lower bottom surface of the trapezoidal balancing weight;
the photoelectric receiver is fixedly connected to the inner side wall of the installation box and used for receiving the convergent light reflected by the reflector on the waist surface of the trapezoidal balancing weight;
an alarm;
and the controller is electrically connected with the light transmitter, the two photoelectric receivers and the alarm, and is also electrically connected with a power supply device.
Preferably, the photoelectric receiver comprises a substrate and a plurality of strip-shaped photosensitive sensors, the substrate is fixedly connected to the inner side wall of the installation box, the strip-shaped photosensitive sensors are arranged on the substrate, the controller is electrically connected with an encoder, the encoder is used for encoding the strip-shaped photosensitive sensors, and each photosensitive sensor has a different bit code.
Preferably, the trapezoidal balancing weight is an isosceles trapezoidal balancing weight.
Preferably, the upper surface of the support plate is also provided with a level gauge.
Preferably, the support plate is further provided with a laser range finder, the laser range finder is electrically connected with the controller, and the laser range finder is used for measuring the distance between the support plate and the lower bottom surface of the trapezoidal balancing weight.
Preferably, the opening at the bottom end of the installation box is further connected with a transparent cover plate.
Preferably, the installation box is detachably connected with the supporting structure.
Compared with the prior art, the utility model has the beneficial effects that: the foundation pit supporting horizontal deformation monitoring device can give an alarm in time when the top of the foundation pit supporting structure is subjected to horizontal displacement or inclination, so that constructors are reminded to reinforce the supporting structure or withdraw the supporting structure before the supporting structure is toppled, and the possibility of foundation pit side slope landslide is effectively reduced. A plurality of strip-shaped photosensitive sensors of the photoelectric receiver are coded through the coder, the controller can know the distance between the photosensitive sensor and a zero reference point according to the bit code of the photosensitive sensor which finally receives the reflected light, the offset of the top end of the supporting structure relative to the bottom end of the supporting structure can be estimated according to the sine-cosine relation, and therefore the horizontal deformation of the supporting structure can be known more accurately. Through being isosceles trapezoid balancing weight, can make things convenient for the measurement and calculation of the offset to two directions of supporting construction top for the supporting construction bottom. Through setting up the spirit level, conveniently with the extension board leveling, and then conveniently adjust the direction that light emitter took place the bunch light to ensure that the light of light emission is vertical direction. Through setting up laser range finder, when supporting construction takes place to subside, utilize laser range finder can accurate measurement supporting construction's settlement volume, and then have the produced safety problem of avoiding supporting construction to subside. Through setting up transparent cover, can prevent effectively that strong wind from leading to trapezoidal balancing weight to rock, and then to the influence that the monitoring result produced. The mounting box and the supporting structure are detachably connected, so that maintenance and repair of all parts in the mounting box can be facilitated.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a partial enlarged view of a trapezoidal weight of the present invention;
FIG. 3 is a schematic view of the structure of the A-A surface of the present invention;
FIG. 4 is an enlarged view of a portion of the plate of the present invention.
Description of reference numerals:
101. the device comprises a support plate, 102, a supporting structure, 103, a light emitter, 104, an installation box, 105, a rotating shaft, 106, a trapezoidal balancing weight, 107, a lower bottom surface, 108, a waist surface, 109, a reflector, 110, an alarm, 2, a photoelectric receiver, 201, a base plate, 202, a photosensitive sensor, 3, a level meter, 4, a laser range finder and 5, a transparent cover plate.
Detailed Description
Detailed description of the preferred embodimentsthe following detailed description of the present invention will be given with reference to the accompanying drawings 1-4, but it should be understood that the scope of the present invention is not limited to the specific embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
Example 1:
as shown in fig. 1 to 4, the utility model provides a device for monitoring horizontal deformation of a foundation pit support, comprising: the photoelectric detector comprises a support plate 101, a light emitter 103, an installation box 104, a rotating shaft 105, a trapezoidal balancing weight 106, a photoelectric receiver 2, an alarm 110 and a controller, wherein the support plate 101 is fixedly installed at the bottom of a foundation pit close to the bottom end of a supporting structure 102; the light ray emitter 103 is used for emitting vertical convergent light; the mounting box 104 is fixedly connected to the supporting structure 102 and fixedly connected to the top end of the supporting structure 102, and the bottom end of the mounting box 104 is open; the rotating shaft 105 is in bearing connection with the side wall of the mounting box 104, and the axis of the rotating shaft 105 is parallel to the horizontal plane and the supporting structure 102; the trapezoidal balancing weight 106 is fixedly connected to the lower side of the shaft body of the rotating shaft 105, the lower bottom surface 107 of the trapezoidal balancing weight 106 is parallel to the horizontal plane, the lower bottom surface 107 and the two waist surfaces 108 of the trapezoidal balancing weight 106 are provided with reflectors 109, and the convergent light emitted by the light emitter 103 irradiates on the reflectors 109 on the lower bottom surface 107 of the trapezoidal balancing weight 106; the photoelectric receiver 2 is fixedly connected to the inner side wall of the installation box 104, and the photoelectric receiver 2 is used for receiving the beam-concentrating light reflected by the reflector 109 on the waist surface 108 of the trapezoidal balancing weight 106; an alarm 110; the controller is electrically connected with the light emitter 103, the two photoelectric receivers 2 and the alarm 110, and the controller is also electrically connected with a power supply device.
The working principle of example 1 is now briefly described:
after excavation of the foundation pit is completed and the foundation pit is supported by the supporting structure 102, the support plate 101 is fixedly installed at the bottom of the foundation pit close to the bottom end of the supporting structure 102, the installation box 104 is fixedly connected to the supporting structure 102 and fixedly connected to the top end of the supporting structure 102, the light emitter 103 is opened through the controller, the position of the support plate 101 is adjusted, the bunched light in the vertical direction emitted by the light emitter 103 is aligned to the reflector 109 on the lower bottom surface 107 of the trapezoidal counterweight block 106, and the lower bottom surface 107 of the trapezoidal counterweight block 106 is parallel to the horizontal plane, so the bunched light is returned along the original path, and at the moment, the photoelectric receiver 2 on the inner side wall of the installation box 104 cannot receive the bunched light. As time goes on, when the supporting structure 102 is displaced horizontally or the supporting structure 102 is inclined, because the trapezoidal weight 106 is fixedly connected to the lower side of the shaft body of the rotating shaft 105 and the rotating shaft 105 is connected to the side wall bearing of the installation box 104, the trapezoidal weight 106 is still located at the lower side of the rotating shaft 105 under the action of self gravity, when the supporting structure 102 is displaced horizontally enough or the inclination of the supporting structure 102 is large enough, i.e. when the horizontal displacement of the trapezoidal weight 106 is large enough, the laser emitted by the light emitter 103 irradiates the reflective mirror 109 on the waist 108 of the trapezoidal weight 106, the convergent light reflected by the reflective mirror 109 on the waist 108 of the trapezoidal weight 106 is received by the photoelectric receiver 2, the photoelectric receiver 2 responds, the photoelectric signal is transmitted to the controller by the photoelectric receiver 2, and the controller controls the alarm 110 to give an alarm, thereby giving an early warning to the staff. Furthermore, power supply unit is independent power supply, independent power supply locates on the install bin, and then promotes the convenience that this device used.
The foundation pit supporting horizontal deformation monitoring device can give an alarm in time when the top of the foundation pit supporting structure 102 is horizontally displaced or inclined, so that constructors are reminded to reinforce the supporting structure or withdraw the supporting structure before the supporting structure is toppled, and the possibility of foundation pit side slope landslide is effectively reduced.
Example 2:
on the basis of embodiment 1, in order to estimate the offset of the top end of the supporting structure 102 relative to the bottom end of the supporting structure 102, the horizontal deformation of the supporting structure 102 can be known more accurately.
As shown in fig. 2 and 3, the photoelectric receiver 2 includes a substrate 201 and a plurality of strip-shaped photosensitive sensors 202, the substrate 201 is fixedly connected to an inner side wall of the installation box 104, the plurality of strip-shaped photosensitive sensors 202 are arranged on the substrate 201, the controller is electrically connected with an encoder, the encoder is used for encoding the plurality of strip-shaped photosensitive sensors 202, and each photosensitive sensor 202 has a different bit code.
The plurality of strip-shaped photosensitive sensors 202 are coded through the coder, so that each photosensitive sensor 202 has different bit codes, and the position of the photosensitive sensor 202 which initially receives the reflected convergent light is set as a zero reference point, so that the top end of the supporting structure 102 is slowly deviated relative to the bottom end of the supporting structure 102 along with the time, the light emitter 103 is arranged on the support plate 101, the support plate 101 is not connected with the supporting structure 102, the position of the light emitter 103 is approximately unchanged, and the position of the laser emitter irradiating the reflector 109 on the waist surface 108 of the trapezoidal counterweight block 106 is changed. Because the reflective mirror 109 is fixedly connected to the waist surface 108 of the trapezoidal weight 106, the reflective mirror 109 at this position has a certain included angle with the horizontal plane. According to the light emission principle, the position of the reflected light on the photoelectric receiver 2 is also deviated, so that the photosensitive sensor 202 receiving the reflected light is also changed, the controller can know the distance from the photosensitive sensor 202 to a zero reference point according to the bit code of the photosensitive sensor 202 finally receiving the reflected light, the deviation of the top end of the supporting structure 102 relative to the bottom end of the supporting structure 102 can be estimated according to the sine and cosine relation, and the horizontal deformation of the supporting structure 102 can be known more accurately.
As a preferable scheme, as shown in fig. 2, wherein the trapezoidal weight 106 is an isosceles trapezoidal weight 106. By using the trapezoidal weight 106 as the isosceles trapezoidal weight 106, the offset of the top end of the supporting structure 102 relative to the bottom end of the supporting structure 102 in two directions can be conveniently measured.
As a preferable scheme, as shown in fig. 4, a level 3 is further provided on the upper surface of the support plate 101. Through setting up spirit level 3, conveniently with extension board 101 leveling, and then conveniently adjust the direction that light emitter 103 took place the bunch light to ensure that the light of light emission is vertical direction.
As a preferable scheme, as shown in fig. 4, a laser distance measuring instrument 4 is further disposed on the support plate 101, the laser distance measuring instrument 4 is electrically connected to the controller, and the laser distance measuring instrument 4 is used for measuring a distance between the support plate 101 and a lower bottom surface 107 of the trapezoidal weight 106. Through setting up laser range finder 4, when supporting construction 102 takes place to subside, utilize laser range finder 4 can accurate measurement supporting construction 102's settlement volume, and then have the produced safety problem of avoiding supporting construction 102 to subside.
As a preferable scheme, as shown in fig. 1-3, a transparent cover plate 5 is further connected to the bottom opening of the installation box 104. Through setting up transparent cover 5, can prevent effectively that strong wind from leading to trapezoidal balancing weight 106 to rock, and then to the influence that the monitoring result produced.
Preferably, as shown in fig. 1, the mounting box 104 is detachably connected to the supporting structure 102. The installation box 104 and the supporting structure 102 are detachably connected, so that maintenance and repair of all parts in the installation box 104 can be facilitated.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a excavation supporting horizontal deformation monitoring devices which characterized in that includes:
the support plate (101) is fixedly arranged at the bottom of the foundation pit and close to the bottom end of the supporting structure (102);
a light ray emitter (103) for emitting a vertically-oriented bundled light ray;
the mounting box (104) is fixedly connected to the supporting structure (102) and fixedly connected to the top end of the supporting structure (102), and the bottom end of the mounting box (104) is opened;
the rotating shaft (105) is connected to the side wall of the mounting box (104) through a bearing, and the axis of the rotating shaft (105) is parallel to the horizontal plane and the supporting structure (102);
the trapezoidal balancing weight (106) is fixedly connected to the lower side of the shaft body of the rotating shaft (105), the lower bottom surface (107) of the trapezoidal balancing weight (106) is parallel to the horizontal plane, reflectors (109) are arranged on the lower bottom surface (107) and two waist surfaces (108) of the trapezoidal balancing weight (106), and the bunched light emitted by the light emitter (103) is irradiated on the reflectors (109) on the lower bottom surface (107) of the trapezoidal balancing weight (106);
the photoelectric receiver (2) is fixedly connected to the inner side wall of the installation box (104), and the photoelectric receiver (2) is used for receiving the beam-concentrating light reflected by a reflector (109) on the waist surface (108) of the trapezoidal balancing weight (106);
an alarm (110);
and the controller is electrically connected with the light transmitter (103), the two photoelectric receivers (2) and the alarm (110), and is also electrically connected with a power supply device.
2. An excavation supporting horizontal deformation monitoring device according to claim 1, wherein the photoelectric receiver (2) comprises a substrate (201) and a plurality of strip-shaped photosensitive sensors (202), the substrate (201) is fixedly connected to the inner side wall of the installation box (104), the plurality of strip-shaped photosensitive sensors (202) are arranged on the substrate (201), the controller is electrically connected with an encoder, the encoder is used for encoding the plurality of strip-shaped photosensitive sensors (202), and each photosensitive sensor (202) has a different bit code.
3. An excavation supporting horizontal deformation monitoring device according to claim 1, characterized in that, the trapezoidal balancing weight (106) is an isosceles trapezoidal balancing weight (106).
4. An excavation supporting horizontal deformation monitoring device according to claim 1, characterized in that the upper surface of the supporting plate (101) is also provided with a level gauge (3).
5. The foundation pit support horizontal deformation monitoring device as claimed in claim 1, wherein the support plate (101) is further provided with a laser distance meter (4), the laser distance meter (4) is electrically connected with the controller, and the laser distance meter (4) is used for measuring the distance between the support plate (101) and the lower bottom surface (107) of the trapezoidal counterweight (106).
6. The foundation pit support horizontal deformation monitoring device as claimed in claim 1, wherein a transparent cover plate (5) is further connected to the opening at the bottom end of the installation box (104).
7. An excavation supporting horizontal deformation monitoring device according to claim 1, wherein the mounting box (104) is detachably connected to the supporting structure (102).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121755624.6U CN215906736U (en) | 2021-07-29 | 2021-07-29 | Foundation pit support horizontal deformation monitoring device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121755624.6U CN215906736U (en) | 2021-07-29 | 2021-07-29 | Foundation pit support horizontal deformation monitoring device |
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| Publication Number | Publication Date |
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| CN215906736U true CN215906736U (en) | 2022-02-25 |
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| CN202121755624.6U Active CN215906736U (en) | 2021-07-29 | 2021-07-29 | Foundation pit support horizontal deformation monitoring device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113021592A (en) * | 2021-04-19 | 2021-06-25 | 四川兴事发门窗有限责任公司 | Production process method of wood fireproof door core board |
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2021
- 2021-07-29 CN CN202121755624.6U patent/CN215906736U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113021592A (en) * | 2021-04-19 | 2021-06-25 | 四川兴事发门窗有限责任公司 | Production process method of wood fireproof door core board |
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