CN112681408A - Bridge foundation pit deviation detection device - Google Patents

Bridge foundation pit deviation detection device Download PDF

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Publication number
CN112681408A
CN112681408A CN202011522748.XA CN202011522748A CN112681408A CN 112681408 A CN112681408 A CN 112681408A CN 202011522748 A CN202011522748 A CN 202011522748A CN 112681408 A CN112681408 A CN 112681408A
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China
Prior art keywords
foundation pit
plate
strip
bridge foundation
shaped plate
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CN202011522748.XA
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CN112681408B (en
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赵克建
李名星
邓智明
林宇翔
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Shenzhen Kezhen Construction Engineering Testing Co ltd
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Shenzhen Kezhen Construction Engineering Testing Co ltd
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Abstract

The invention provides a bridge foundation pit deviation detection device. The bridge foundation pit deviation detection device comprises a base; the two vertical plates are fixedly arranged at the top of the base; the two connecting rods are arranged on the two vertical plates in a sliding manner; the strip-shaped plates are fixedly arranged at one ends of the two connecting rods; the two sliding rods are arranged on the strip-shaped plate in a sliding manner; the contact plate is fixedly installed at one end of each of the two sliding rods; the detection mechanism is arranged on the contact plate and the strip-shaped plate; and the fine adjustment mechanisms are arranged on the two vertical plates. The bridge foundation pit deviation detection device provided by the invention has the advantages that the deviation of the foundation pit is continuously detected in real time, and constructors can be timely reminded of processing the landslide, the collapse and the unobvious small deviation of the side wall of the foundation pit.

Description

Bridge foundation pit deviation detection device
Technical Field
The invention relates to the technical field of detection devices, in particular to a bridge foundation pit deviation detection device.
Background
In the construction of a bridge, a foundation pit is generally excavated for constructing a foundation structure such as a pier of the bridge. The sidewall of the excavated foundation pit may have displacement phenomena such as landslide and collapse, and therefore, the displacement of the foundation pit needs to be detected.
Traditionally, the detection of the deviation of the excavation is typically monitored and checked by workers on a regular basis in the field. However, the traditional detection cannot detect in real time, and displacement phenomena such as landslide and collapse cannot be timely found due to untimely checking of workers; and if the soil layer of the side wall of the foundation pit begins to slightly deviate but obvious landslide and collapse phenomena do not occur, workers looking at the site are difficult to find, and the problem of the slight deviation of the foundation pit cannot be treated in advance.
Therefore, there is a need to provide a new device for detecting deviation of a bridge foundation pit to solve the above-mentioned technical problems.
Disclosure of Invention
The invention aims to provide a bridge foundation pit deviation detection device which can continuously detect foundation pit deviation in real time and can timely remind constructors of processing the foundation pit side wall landslide, collapse and unobvious small deviation phenomena.
In order to solve the technical problem, the bridge foundation pit offset detection device provided by the invention comprises: a base; the two vertical plates are fixedly arranged at the top of the base; the two connecting rods are arranged on the two vertical plates in a sliding manner; the strip-shaped plates are fixedly arranged at one ends of the two connecting rods; the two sliding rods are arranged on the strip-shaped plate in a sliding manner; the contact plate is fixedly installed at one end of each of the two sliding rods; the detection mechanism is arranged on the contact plate and the strip-shaped plate; and the fine adjustment mechanisms are arranged on the two vertical plates.
Preferably, the detection mechanism comprises two pressure springs, a limit screw rod, a limit nut, a first mounting plate, a second mounting plate, a pressure sensor, two conductive blocks, an adjusting screw rod and a limit rod, wherein the two pressure springs are respectively sleeved on the two slide rods in a sliding manner, the limiting screw rod is fixedly arranged at one side of the contact plate, the limiting nut is arranged on the limiting screw rod in a threaded manner, the first mounting plate is fixedly arranged on one side of the contact plate close to the strip-shaped plate, the second mounting plate is fixedly arranged on one side of the strip-shaped plate close to the contact plate, the pressure sensor is fixedly arranged on one side of the second mounting plate, the two conductive blocks are fixedly arranged on one sides of the first mounting plate and the second mounting plate which are close to each other, adjusting screw thread is installed on the bar shaped plate, the gag lever post fixed mounting is in the second mounting panel is kept away from one side of first mounting panel.
Preferably, the strip-shaped plate is provided with a movable hole, the limiting screw rod penetrates through the movable hole, and the limiting nut is arranged on one side, far away from the contact plate, of the strip-shaped plate.
Preferably, the second mounting panel is close to first rotation hole has been seted up to one side of strip shaped plate, accommodate the lead screw with first rotation hole rotates to be connected, accommodate the lead screw's one end fixed mounting has the handle, the gag lever post with strip shaped plate sliding connection.
Preferably, an alarm is fixedly mounted on one side of the corresponding vertical plate, and a storage battery is fixedly mounted on the base.
Preferably, the bottom of the base is fixedly provided with four movable wheels, four corners of the base are provided with fixing holes, and the four fixing holes are internally provided with fixed ground pins which are matched with the fixing holes.
Preferably, the base is made of stainless steel.
Preferably, the connecting rod is provided with scales.
Compared with the prior art, the bridge foundation pit deviation detection device provided by the invention has the following beneficial effects:
the invention provides a bridge foundation pit deviation detection device which comprises the following components:
through the base, the vertical plate, the connecting rod, the strip-shaped plate, the sliding rod, the contact plate, the pressure spring, the limiting screw rod, the limiting nut, the first mounting plate, the second mounting plate, the pressure sensor, the conducting block, the adjusting screw rod, the limiting rod, the threaded sleeve, the threaded rod, the middle shaft, the main chain wheel, the transmission chain wheel, the chain, the fixed plate, the motor, the worm wheel, the alarm, the movable wheel, the fixed ground pin and the storage battery are matched, the contact plate can be in contact with the side wall of the foundation pit without generating pressure on the pressure sensor through the fine adjustment mechanism, the foundation pit offset is continuously detected through the detection mechanism in real time, and constructors can be timely reminded; and the background workers can be timely informed to react to the unobvious small deviation, so that the foundation pit deviation can be effectively detected.
Drawings
Fig. 1 is a schematic structural diagram of a bridge foundation pit deviation detecting device according to a preferred embodiment of the present invention;
FIG. 2 is an enlarged view of portion A of FIG. 1;
FIG. 3 is an enlarged view of the portion B shown in FIG. 1;
FIG. 4 is a side view of the motor with worm and worm gear assembly of the present invention.
Reference numbers in the figures: 1. a base; 2. a vertical plate; 3. a connecting rod; 4. a strip plate; 5. a slide bar; 6. a contact plate; 7. a pressure spring; 8. a limiting screw rod; 9. a limit nut; 10. a first mounting plate; 11. a second mounting plate; 12. a pressure sensor; 13. a conductive block; 14. adjusting the screw rod; 15. a limiting rod; 16. a threaded sleeve; 17. a threaded rod; 18. a middle shaft; 19. a main sprocket; 20. a drive sprocket; 21. a chain; 22. a fixing plate; 23. a motor; 24. a worm; 25. a worm gear; 26. an alarm; 27. a moving wheel; 28. a stationary ground pin; 29. and (4) a storage battery.
Detailed Description
The invention is further described with reference to the following figures and embodiments.
Please refer to fig. 1-4, wherein fig. 1 is a schematic structural diagram of a bridge foundation pit deviation detecting device according to a preferred embodiment of the present invention; FIG. 2 is an enlarged view of portion A of FIG. 1; FIG. 3 is an enlarged view of the portion B shown in FIG. 1; FIG. 4 is a side view of the motor with worm and worm gear assembly of the present invention. Bridge foundation ditch skew detection device includes: a base 1; the two vertical plates 2 are fixedly arranged on the top of the base 1; the two connecting rods 3 are arranged on the two vertical plates 2 in a sliding manner; the strip-shaped plates 4 are fixedly arranged at one ends of the two connecting rods 3; the two sliding rods 5 are arranged on the strip-shaped plate 4 in a sliding manner; the contact plate 6 is fixedly installed at one end of each of the two sliding rods 5; the detection mechanism is arranged on the contact plate 6 and the strip-shaped plate 4; and the fine adjustment mechanisms are arranged on the two vertical plates 2.
The detection mechanism comprises two pressure springs 7, a limiting screw rod 8, a limiting nut 9, a first mounting plate 10, a second mounting plate 11, a pressure sensor 12, two conductive blocks 13, an adjusting screw rod 14 and a limiting rod 15, wherein the two pressure springs 7 are respectively sleeved on the two slide rods 5 in a sliding manner, the limiting screw rod 8 is fixedly mounted on one side of the contact plate 6, the limiting nut 9 is mounted on the limiting screw rod 8 in a threaded manner, the first mounting plate 10 is fixedly mounted on one side of the contact plate 6 close to the strip-shaped plate 4, the second mounting plate 11 is fixedly mounted on one side of the strip-shaped plate 4 close to the contact plate 6, the pressure sensor 12 is fixedly mounted on one side of the second mounting plate 11, the two conductive blocks 13 are fixedly mounted on one side of the first mounting plate 10 and the second mounting plate 11 close to each other, and the adjusting screw rod 14 is mounted on the strip-shaped plate 4, the limiting rod 15 is fixedly installed on one side, far away from the first installation plate 10, of the second installation plate 11. The detection mechanism is used for detecting the side wall of the foundation pit in real time, so that constructors can be reminded of processing the landslide and collapse phenomena of the side wall of the foundation pit in time; and the background workers can be timely informed to react to the unobvious small deviation, so that the foundation pit deviation can be effectively detected.
The fine adjustment mechanism comprises two threaded sleeves 16, two threaded rods 17, a middle shaft 18, two main chain wheels 19, two transmission chain wheels 20, two chains 21, two fixing plates 22, a motor 23, a worm 24 and a worm wheel 25, wherein the two threaded sleeves 16 are rotatably mounted on the two vertical plates 2, the two threaded rods 17 are respectively and threadedly mounted on the inner walls of the two threaded sleeves 16, the middle shaft 18 is rotatably mounted on the two vertical plates 2, the two main chain wheels 19 are fixedly sleeved on the two middle shafts 18, the two transmission chain wheels 20 are respectively and fixedly sleeved on the two threaded sleeves 16, the two chains 21 are respectively wound on the corresponding main chain wheels 19 and the corresponding transmission chain wheels 20, the two fixing plates 22 are respectively and fixedly mounted on the two vertical plates 2, and the two fixing plates 22 are respectively arranged on the two sides of the vertical plates 2, the motor 23 is fixedly installed at one side of the corresponding fixing plate 22, the worm 24 is fixedly installed on an output shaft of the motor 23, the worm wheel 25 is fixedly sleeved on the middle shaft 18, and the worm 24 is meshed with the worm wheel 25. Through the fine adjustment mechanism, the extension length of the contact plate is finely adjusted, so that the contact plate 6 can contact the side wall of the foundation pit and does not apply pressure to the pressure sensor 12.
The strip-shaped plate 4 is provided with a movable hole, the limiting screw rod 8 penetrates through the movable hole, and the limiting nut 9 is arranged on one side, away from the contact plate 6, of the strip-shaped plate 4. Through the cooperation of the limiting nut 9, the limiting screw rod 8 and the strip-shaped plate 4, two ends of the pressure spring 7 are in contact with the strip-shaped plate 4 and the contact plate 6 and are still in an uncompressed natural state.
Second mounting panel 11 is close to first rotation hole has been seted up to one side of strip shaped plate 4, accommodate the lead screw 14 with first rotation hole rotates to be connected, accommodate the lead screw 14 one end fixed mounting has the handle, gag lever post 15 with strip shaped plate 4 sliding connection.
The two vertical plates 2 are respectively provided with a second rotating hole and two third rotating holes, the middle shaft 18 is rotatably connected with the two second rotating holes, the two threaded sleeves 16 are respectively rotatably connected with the two corresponding third rotating holes, the two fixing plates 22 are respectively provided with a fourth rotating hole, and the worm 24 is rotatably connected with the two fourth rotating holes. The central shaft 18 and the two threaded sleeves 16 are supported and rotate smoothly through the rotating relation between the central shaft 18 and the two threaded sleeves 16 and the two vertical plates 2.
Two the threaded rod 17 is close to the one end of strip shaped plate 4 all with strip shaped plate 4 fixed connection.
And an alarm 26 is fixedly arranged on one side of the corresponding vertical plate 2, and a storage battery 29 is fixedly arranged on the base 1. The alarm 26 is supplied with electric power through the battery 29 so that the detection enables the alarm 26 to give an alarm to remind the constructor.
The bottom of base 1 is fixed with four and moves wheel 27, the fixed orifices has all been seted up to the four corners position of base 1, all is equipped with fixed ground round pin 28 in the four fixed orifices, fixed ground round pin 28 with fixed orifices looks adaptation. The movement of the device is facilitated by moving wheels 27, which are fixed to the ground in the pit by fixed pins 28.
The base 1 is made of stainless steel, and the stainless steel is corrosion-resistant and firm.
Be equipped with the scale on connecting rod 3, adjust more accurately through the scale.
The working principle of the bridge foundation pit deviation detection device provided by the invention is as follows: in the device, a storage battery 29 provides electric energy for the pressure sensor 12 and the alarm 26, the storage battery 29, the alarm 26 and the two conductive blocks 13 provide electric connection through conducting wires, and the pressure sensor 12 is connected with background control equipment;
in use, the device is conveniently moved to the side wall of the foundation pit by the moving wheel 27, the contact plate 6 is close to the side wall of the foundation pit, and then the four fixed ground pins 28 are rammed into the soil layer of the foundation pit by a tool;
then, under the condition that the limit nut 9 is loosened, the pressure spring 7 is in an uncompressed natural state; then screwing the limiting nut 9 to enable two ends of the pressure spring 7 to be in contact with the strip-shaped plate 4 and the contact plate 6 and still be in an uncompressed natural state, and stopping screwing the limiting nut 9;
then, the handle is rotated to drive the adjusting screw rod 14 to rotate, the second mounting plate 11 is driven to be close to the first mounting plate 10, the pressed surface of the pressure sensor 12 only contacts the first mounting plate 10 without generating pressure, and at the moment, the two conductive blocks 13 are close to but not contact;
then, the motor 23 is started to drive the worm 24 to rotate, the worm 24 drives the worm wheel 25 to rotate, and further drives the middle shaft 18 to rotate, the middle shaft 18 drives the two main chain wheels 19, the two chains 21 and the two transmission chain wheels 20 to drive the two threaded sleeves 16 to rotate, the two threaded rods 17 drive the strip-shaped plates 4 to move, and further drives the contact plate 6 to be close to the side wall of the foundation pit until the contact plate 6 contacts the side wall of the foundation pit, but the first mounting plate 10 does not generate pressure on the pressure sensor 12;
if the side wall of the foundation pit slightly deviates, the side wall of the foundation pit applies pressure to the contact plate 6, further the first mounting plate 10 generates pressure to the pressure sensor 12, and the pressure sensor 12 transmits a pressure signal to the background control equipment, so that background workers make corresponding reaction and treatment;
if the side wall of the foundation pit has the phenomena of landslide and serious collapse deviation, the contact plate 6 is subjected to larger pressure and drives the conductive block 13 on the first mounting plate 10 to move towards and contact with the conductive block 13 on the second mounting plate 11, so that the alarm 26 gives an alarm to remind constructors of making corresponding reaction and treatment in time so as to avoid danger.
Compared with the prior art, the bridge foundation pit deviation detection device provided by the invention has the following beneficial effects:
the invention provides a bridge foundation pit deviation detection device, which is characterized in that a base 1, a vertical plate 2, a connecting rod 3, a strip-shaped plate 4, a sliding rod 5, a contact plate 6, a pressure spring 7, a limiting screw 8, a limiting nut 9, a first mounting plate 10, a second mounting plate 11, a pressure sensor 12, a conductive block 13, an adjusting screw 14, a limiting rod 15, a threaded sleeve 16, a threaded rod 17, a middle shaft 18, a main chain wheel 19, a transmission chain wheel 20, a chain 21, a fixing plate 22, a motor 23, a worm 24, a worm wheel 25, an alarm 26, a moving wheel 27, a fixed ground pin 28 and a storage battery 29 are matched, a fine adjustment mechanism can enable the contact plate 6 to be in contact with the side wall of a foundation pit and not to generate pressure on the pressure sensor 12, the deviation of the foundation pit is continuously detected through a detection mechanism, and a construct; and the background workers can be timely informed to react to the unobvious small deviation, so that the foundation pit deviation can be effectively detected.
It should be noted that the device structure and the accompanying drawings of the present invention mainly describe the principle of the present invention, and in the technology of the design principle, the settings of the power mechanism, the power supply system, the control system, and the like of the device are not completely described, but on the premise that those skilled in the art understand the principle of the present invention, the details of the power mechanism, the power supply system, and the control system can be clearly known;
furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless explicitly specified otherwise;
in addition, in the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "fixed," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims (8)

1. The utility model provides a bridge foundation ditch skew detection device which characterized in that includes:
a base;
the two vertical plates are fixedly arranged at the top of the base;
the two connecting rods are arranged on the two vertical plates in a sliding manner;
the strip-shaped plates are fixedly arranged at one ends of the two connecting rods;
the two sliding rods are arranged on the strip-shaped plate in a sliding manner;
the contact plate is fixedly installed at one end of each of the two sliding rods;
the detection mechanism is arranged on the contact plate and the strip-shaped plate;
and the fine adjustment mechanisms are arranged on the two vertical plates.
2. The bridge foundation pit deviation detecting device according to claim 1, wherein the detecting mechanism comprises two pressure springs, a limiting screw rod, a limiting nut, a first mounting plate, a second mounting plate, a pressure sensor, two conductive blocks, a regulating screw rod and a limiting rod, the two pressure springs are respectively slidably sleeved on the two slide rods, the limiting screw rod is fixedly mounted on one side of the contact plate, the limiting nut is threadedly mounted on the limiting screw rod, the first mounting plate is fixedly mounted on one side of the contact plate close to the strip-shaped plate, the second mounting plate is fixedly mounted on one side of the strip-shaped plate close to the contact plate, the pressure sensor is fixedly mounted on one side of the second mounting plate, the two conductive blocks are fixedly mounted on one side of the first mounting plate and one side of the second mounting plate close to each other, adjusting screw thread is installed on the bar shaped plate, the gag lever post fixed mounting is in the second mounting panel is kept away from one side of first mounting panel.
3. The bridge foundation pit deviation detecting device of claim 2, wherein the strip-shaped plate is provided with a movable hole, the limiting screw rod penetrates through the movable hole, and the limiting nut is arranged on one side of the strip-shaped plate, which is far away from the contact plate.
4. The bridge foundation pit deviation detection device of claim 2, wherein a first rotation hole is formed in one side, close to the strip-shaped plate, of the second mounting plate, the adjusting screw rod is rotatably connected with the first rotation hole, a handle is fixedly mounted at one end of the adjusting screw rod, and the limiting rod is slidably connected with the strip-shaped plate.
5. The bridge foundation pit deviation detecting device of claim 1, wherein an alarm is fixedly mounted on one side of the corresponding vertical plate, and a storage battery is fixedly mounted on the base.
6. The bridge foundation pit deviation detecting device of claim 1, wherein four moving wheels are fixedly mounted at the bottom of the base, four corners of the base are provided with fixing holes, and fixing pins are arranged in the four fixing holes and matched with the fixing holes.
7. The bridge foundation pit deviation detecting device of claim 1, wherein the base is made of stainless steel.
8. The bridge foundation pit deviation detecting device of claim 1, wherein the connecting rod is provided with scales.
CN202011522748.XA 2020-12-21 2020-12-21 Bridge foundation pit deviation detection device Active CN112681408B (en)

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Application Number Priority Date Filing Date Title
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CN112681408B CN112681408B (en) 2022-04-22

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115045351A (en) * 2022-07-25 2022-09-13 中建二局第三建筑工程有限公司 Foundation pit monitoring device convenient to adjust
CN116220117A (en) * 2023-03-09 2023-06-06 中国十七冶集团有限公司 Foundation pit deformation monitoring equipment
CN116220117B (en) * 2023-03-09 2024-06-07 中国十七冶集团有限公司 Foundation pit deformation monitoring equipment

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CN210346661U (en) * 2019-09-05 2020-04-17 扬州工业职业技术学院 Deep basal pit deformation monitoring alarm device
CN210800533U (en) * 2019-10-15 2020-06-19 湖北交通工程检测中心有限公司 Highway bridge detection device
CN111379260A (en) * 2020-04-30 2020-07-07 湖南省第六工程有限公司 Foundation pit rapid supporting system with alarming function
CN111501717A (en) * 2020-04-22 2020-08-07 刘衍桄 Building foundation displacement monitoring supporting device based on capacitance change

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Publication number Priority date Publication date Assignee Title
DE102006007857A1 (en) * 2006-02-17 2007-08-30 Estermann, Simon-Boris System for monitoring forces acting on roof structure, has control unit in monitoring unit for evaluation of detected measuring data, where output unit and display unit are provided for output or representation of measuring data
US20180246006A1 (en) * 2017-02-27 2018-08-30 Pile Dynamics, Inc. Non-Contact Strain Measurement System And Method For Using The Same
CN207567833U (en) * 2017-08-25 2018-07-03 贵州鼎盛岩土工程有限公司 A kind of novel foundation pit deformation monitoring device
CN207512713U (en) * 2017-10-15 2018-06-19 广东工程建设监理有限公司 A kind of foundation pit displacement automated watch-keeping facility
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115045351A (en) * 2022-07-25 2022-09-13 中建二局第三建筑工程有限公司 Foundation pit monitoring device convenient to adjust
CN116220117A (en) * 2023-03-09 2023-06-06 中国十七冶集团有限公司 Foundation pit deformation monitoring equipment
CN116220117B (en) * 2023-03-09 2024-06-07 中国十七冶集团有限公司 Foundation pit deformation monitoring equipment

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