CN212200516U - Building foundation pit deformation monitoring device - Google Patents
Building foundation pit deformation monitoring device Download PDFInfo
- Publication number
- CN212200516U CN212200516U CN202020411612.0U CN202020411612U CN212200516U CN 212200516 U CN212200516 U CN 212200516U CN 202020411612 U CN202020411612 U CN 202020411612U CN 212200516 U CN212200516 U CN 212200516U
- Authority
- CN
- China
- Prior art keywords
- monitoring
- foundation pit
- building foundation
- positioning
- bearing plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000012806 monitoring device Methods 0.000 title claims abstract description 22
- 238000012544 monitoring process Methods 0.000 claims abstract description 66
- 230000007246 mechanism Effects 0.000 claims abstract description 45
- 238000006073 displacement reaction Methods 0.000 claims abstract description 27
- 239000002689 soil Substances 0.000 abstract description 10
- 238000010276 construction Methods 0.000 abstract description 4
- 230000008859 change Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 abstract description 2
- 238000009434 installation Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000009412 basement excavation Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Images
Landscapes
- Emergency Alarm Devices (AREA)
Abstract
The utility model relates to the technical field of building foundation pit monitoring, and discloses a building foundation pit deformation monitoring device, which comprises a positioning mechanism and a monitoring mechanism, wherein the monitoring mechanism comprises a monitoring shell, a fixed arm, a sliding arm, a bearing plate, a displacement sensor and an alarm; this building foundation pit warp monitoring devices passes through the bearing plate and the lateral wall in close contact with of building foundation pit, the bearing plate is pushed to the monitoring shell by the lateral wall when the lateral wall of building foundation pit is out of shape by soil body pressure around the foundation pit, displacement sensor's pull rod takes place the displacement under the drive of bearing plate, displacement sensor produces the signal of telecommunication, make the alarm send out the warning under displacement sensor's the signal of telecommunication effect, be detachable construction between monitoring mechanism and the positioning mechanism, the installation at the monitoring point has been made things convenient for, and the device is difficult for taking place to empty the condition influence such as take place by the soil body change, thereby realized warping to building foundation pit and monitored in real time, can in time discover that the building foundation pit takes place.
Description
Technical Field
The utility model relates to a building foundation pit monitoring technology field, concretely relates to building foundation pit deformation monitoring devices.
Background
In the building engineering, a foundation pit is required to be excavated often, and in the excavation process of the foundation pit or after the excavation is finished, because the surrounding soil body can apply pressure to the position of the foundation pit, the deformation of the foundation pit is easy to cause, and engineering personnel have to repair or excavate the foundation pit again, so that the engineering quantity is increased, the construction period is prolonged, and accidents can be caused seriously. Therefore, whether the foundation pit is deformed or not is often required to be monitored in the construction process, so that measures are taken in time to reduce loss caused by deformation of the foundation pit, equipment such as a total station and a level gauge are adopted for regular observation in the prior art for monitoring the deformation condition of the building foundation pit, the foundation pit cannot be monitored in all time, and the condition that treatment is not timely is probably caused.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims to provide a building foundation warp monitoring devices, this building foundation warp monitoring devices can monitor the deformation of building foundation uninterruptedly to in time report to the police.
In order to achieve the above object, the present invention provides the following technical solutions:
the building foundation pit deformation monitoring device is characterized by comprising a positioning mechanism and a monitoring mechanism, wherein the positioning mechanism is used for stably fixing the building foundation pit deformation monitoring device on a monitoring point; the monitoring mechanism comprises a monitoring shell, a fixed arm, a sliding arm, a bearing plate, a displacement sensor and an alarm, and the monitoring shell is fixedly connected with the positioning mechanism; the fixed arm is sleeved with the sliding arm, the sliding arm can slide relative to the fixed arm along the axial direction of the sliding arm, one end of the fixed arm, which is not connected with the sliding arm, is fixed on the side surface of the monitoring shell, and one end of the sliding arm, which is not connected with the fixed arm, is fixedly connected with the pressure bearing plate; one side of the bearing plate is fixedly connected with the sliding arm; the displacement sensor is fixed on the fixed arm, and a pull rod of the displacement sensor is fixedly connected with the bearing plate; the alarm is fixed on the monitoring shell and is electrically connected with the displacement sensor.
In the present invention, preferably, the monitoring housing is detachably connected to the positioning mechanism.
The utility model discloses in, it is preferred, positioning mechanism includes spud and connection baffle, the upper portion of spud is the cylinder, and the lower part is the cone, the spud passes connection baffle and upper portion above that with connection baffle fixed connection, connection baffle's edge is equipped with a plurality of screw thread through-holes.
In the utility model, preferably, the monitoring mechanism further comprises a connecting plate, the middle position of the bottom of the monitoring shell is a circular hole, the circular hole extends upwards to form a cylindrical cavity, and the shape of the cavity is matched with the part of the positioning pile above the connecting baffle plate, so that the shell can be sleeved on the positioning pile; the monitoring shell is characterized in that the connecting plate is fixedly connected to the lower portion of the monitoring shell, a circular hole is formed in the center of the connecting plate, the size of the circular hole is the same as that of the circular hole in the middle of the bottom of the monitoring shell, the position of the circular hole corresponds to that of the circular hole in the middle of the bottom of the monitoring shell, a connecting through hole is formed in the connecting plate, the connecting through hole corresponds to that of a threaded through hole in the connecting baffle, and a bolt matched with the threaded through.
The utility model discloses in, preferred, monitoring mechanism still includes the spring, the spring housing is established on the sliding arm, the one end of spring with fixed arm fixed connection, the other end with bearing plate fixed connection.
In the present invention, preferably, the lower surface of the spud is provided with a thread.
The utility model discloses in, it is preferred, positioning mechanism still includes two at least rotatory handles, rotatory handle with the spud pile is in the side threaded connection on spud pile upper portion.
The utility model discloses in, preferred, connect the inner wall of through-hole be equipped with the screw thread of bolt looks adaptation.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses a building foundation pit warp monitoring devices passes through the lateral wall in close contact with of bearing plate with the building foundation pit, the lateral wall of building foundation pit is pushed to the monitoring casing by the lateral wall when the bearing plate takes place to warp by the soil body pressure around the foundation pit, displacement sensor's pull rod takes place the displacement under the drive of bearing plate, displacement sensor produces the signal of telecommunication, make the alarm send out the warning under displacement sensor's the signal of telecommunication effect, be detachable construction between monitoring mechanism and the positioning mechanism, the installation at the monitoring point has been made things convenient for, and the device is difficult for taking place to empty the circumstances influence such as change by the soil body, thereby realized warping to the building foundation pit and carried out real-time supervision, can in time discover that the building foundation.
Drawings
Fig. 1 is a schematic structural diagram of a building foundation pit deformation monitoring device.
Fig. 2 is a schematic structural view of the monitoring mechanism.
Fig. 3 is a right side view of the monitoring mechanism.
Fig. 4 is a bottom view of the monitoring mechanism.
Fig. 5 is a schematic structural diagram of the fixing arm, the sliding arm, the bearing plate and the spring.
Fig. 6 is a schematic structural view of the positioning mechanism.
In the drawings: 1-monitoring mechanism, 11-monitoring shell, 12-connecting plate, 121-connecting through hole, 122-bolt, 13-fixing arm, 14-sliding arm, 15-bearing plate, 16-spring, 17-displacement sensor, 18-alarm, 2-positioning mechanism, 21-positioning pile, 22-connecting baffle, 221-threaded through hole and 23-rotary handle.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Please refer to fig. 1 to 6 simultaneously, a preferred embodiment of the present invention provides a building foundation pit deformation monitoring device, which includes a monitoring mechanism 1 and a positioning mechanism 2, wherein the monitoring mechanism 1 includes a monitoring housing 11, a connecting plate 12, a fixing arm 13, a sliding arm 14, a bearing plate 15, a spring 16, a displacement sensor 17 and an alarm 18, and the positioning mechanism 2 includes a positioning pile 21, a connecting baffle 22 and a rotating handle 23.
In this embodiment, the monitoring housing 11 is a rectangular parallelepiped with a square cross section, the top of the housing is closed, the middle of the bottom of the housing is a circular hole, and the circular hole extends upward to form a cylindrical cavity. A connecting plate 12 is fixedly connected to the lower portion of the monitoring housing 11, the connecting plate 12 is square in overall shape, the side length of the connecting plate 12 is larger than that of the cross section of the monitoring housing 11, a circular hole is formed in the center of the connecting plate 12, the size of the circular hole is the same as that of the circular hole in the middle of the bottom of the monitoring housing 11, and the positions of the circular hole and the circular hole correspond to each other, as shown. Connecting through holes 121 are formed in the four corners of the connecting plate 12, threads are formed on the inner walls of the connecting through holes 121 and are matched with bolts 122, and the bolts 122 are connected in the connecting through holes 121 in a threaded mode, as shown in fig. 2 and 3.
The sliding arm 14 is composed of two coaxial cylinders with different radii, and the cylinder with the larger radius and the cylinder with the smaller radius are integrally formed. The fixed arm 13 is a cuboid, a cylindrical cavity is formed in the center of the fixed arm, and the part with the larger radius of the sliding arm 14 can be accommodated to slide along the axial direction. Through holes are formed in two ends of the fixed arm 13, and the through hole in one end is larger and corresponds to the radius of the cylindrical cavity in position; the through hole at the other end is smaller and has a radius between the radii of the two sections of the cylinder of the sliding arm 14. The part of the sliding arm 14 with larger radius is positioned in the cavity of the fixed arm 13, and the other part of the sliding arm passes through the smaller through hole of the fixed arm 13 and is positioned outside the fixed arm 13. In this way, the fixed arm 13 is fitted with the slide arm 14, the slide arm 14 can slide relative to the fixed arm 13 in the axial direction thereof, and the slide arm 14 does not slide out of the fixed arm 13, as shown in fig. 5. The bearing plate 15 is rectangular, one side of the bearing plate is fixedly connected with the smaller end of the sliding arm 14 in radius, the other side of the bearing plate is used for contacting with the side wall of the building foundation pit, the sliding arm 14 is sleeved with a spring 16, one end of the spring 16 is fixedly connected with the bearing plate 15, and the other end of the spring is fixedly connected with the fixing arm 13, so that the sliding arm 14 is limited to slide towards the fixing arm 13. The larger end of the through hole of the fixing arm 13 is fixedly connected with the side surface of the detection shell 11.
The displacement sensor 17 is fixed on the fixed arm 13, the pull rod of the displacement sensor is fixedly connected with the bearing plate 15, and the alarm 18 is fixed on the monitoring shell 11. The alarm 18 is electrically connected with the displacement sensor 17, and the alarm 18 and the displacement sensor 17 form an alarm circuit for giving an alarm when the pull rod of the displacement sensor 17 displaces.
The positioning pile 21 is cylindrical at the upper part and conical at the lower part, and the surface of the lower part of the positioning pile 21 is provided with threads for drilling a soil body, so that the positioning pile 21 is more easily inserted into the soil body. The upper radius of the positioning peg 21 is adapted to the cavity of the monitoring housing 11, so that the upper part of the positioning peg 21 can be inserted into the monitoring housing 11. The shape of the connecting baffle 22 is the same as that of the connecting plate 12, threaded through holes 221 are formed in the positions, corresponding to the connecting through holes 121, of the four corners of the connecting baffle, and the threaded through holes 221 are matched with the bolts 122. The upper part of the positioning pile 21 penetrates through the connecting baffle 22 and is fixedly connected with the connecting baffle 22, and the part of the positioning pile 21 above the connecting baffle 22 can be completely inserted into the cavity of the monitoring shell 11, so that the connecting plate 12 and the connecting baffle 22 are completely attached. Two threaded holes are formed in the opposite positions of the side face of the upper portion of the positioning pile 21, threads matched with the threaded holes in the positioning pile 21 are formed in one end of the rotating handle 23, the rotating handle 23 is in threaded connection with the threaded holes in the positioning pile 21 through threads on the surface of the rotating handle 23, the positioning pile 21 can conveniently drill through soil, and the rotating handle 23 on the positioning pile 21 can be detached.
The working principle is as follows:
when the building foundation pit deformation monitoring device is used, a monitoring point is selected near the side wall of the building foundation pit, and the distance between the monitoring point and the side wall meets the requirement that the pressure bearing plate 15 is tightly attached to the side wall when the monitoring mechanism 1 is placed at the position. The rotating handle 23 is arranged on the positioning mechanism 2, the positioning mechanism is drilled into the soil body at the monitoring point, the connecting baffle plate 22 is tightly attached to the ground, one edge of the connecting baffle plate 22 is parallel to the side wall of the foundation pit, and therefore the positioning mechanism is stably inserted at the monitoring point. And (3) dismounting the rotating handle 23, and sleeving the monitoring mechanism 1 on the positioning mechanism 2, so that the bearing plate 15 is just opposite to the side wall of the foundation pit, and the bearing plate 15 is tightly attached to the side wall. The bolt 122 is screwed into the connecting through-hole 121 and the threaded through-hole 221 in this order, thereby fixedly connecting the monitoring mechanism 1 and the positioning mechanism 2. An alarm circuit formed by an alarm 18 and a displacement sensor 17 is started, when the side wall of the building foundation pit is extruded by surrounding soil to deform, the bearing plate 15 moves towards the monitoring shell 11 under the pressure of the side wall of the building foundation pit, a pull rod of the displacement sensor 17 is driven by the bearing plate 15 to displace, the displacement sensor 17 sends an electric signal to the alarm 18, the alarm 18 sends out an audible and visual alarm after receiving the electric signal, and a worker can timely process the deformation condition of the building foundation pit after noticing the alarm.
The above description is for the detailed description of the preferred possible embodiments of the present invention, but the embodiments are not intended to limit the scope of the present invention, and all equivalent changes or modifications accomplished under the technical spirit suggested by the present invention should fall within the scope of the present invention.
Claims (8)
1. A building foundation pit deformation monitoring device is characterized by comprising a positioning mechanism and a monitoring mechanism,
the positioning mechanism is used for stably fixing the building foundation pit deformation monitoring device on a monitoring point;
the monitoring mechanism comprises a monitoring shell, a fixed arm, a sliding arm, a bearing plate, a displacement sensor and an alarm,
the monitoring shell is fixedly connected with the positioning mechanism;
the fixed arm is sleeved with the sliding arm, the sliding arm can slide relative to the fixed arm along the axial direction of the sliding arm, one end of the fixed arm, which is not connected with the sliding arm, is fixed on the side surface of the monitoring shell, and one end of the sliding arm, which is not connected with the fixed arm, is fixedly connected with the pressure bearing plate;
one side of the bearing plate is fixedly connected with the sliding arm;
the displacement sensor is fixed on the fixed arm, and a pull rod of the displacement sensor is fixedly connected with the bearing plate;
the alarm is fixed on the monitoring shell and is electrically connected with the displacement sensor.
2. The building foundation pit deformation monitoring device of claim 1, wherein the monitoring housing is detachably connected to the positioning mechanism.
3. The building foundation pit deformation monitoring device according to claim 2, wherein the positioning mechanism comprises a positioning pile and a connecting baffle plate, the upper part of the positioning pile is a cylinder, the lower part of the positioning pile is a cone, the positioning pile penetrates through the connecting baffle plate and is fixedly connected with the connecting baffle plate at the upper part of the positioning pile, and the edge of the connecting baffle plate is provided with a plurality of threaded through holes.
4. The building foundation pit deformation monitoring device of claim 3, wherein the monitoring mechanism further comprises a connecting plate,
the middle position of the bottom of the monitoring shell is a circular hole, the circular hole extends upwards to form a cylindrical cavity, and the shape of the cavity is matched with the part of the positioning pile, which is positioned above the connecting baffle plate, so that the shell can be sleeved on the positioning pile;
the monitoring shell is characterized in that the connecting plate is fixedly connected to the lower portion of the monitoring shell, a circular hole is formed in the center of the connecting plate, the size of the circular hole is the same as that of the circular hole in the middle of the bottom of the monitoring shell, the position of the circular hole corresponds to that of the circular hole in the middle of the bottom of the monitoring shell, a connecting through hole is formed in the connecting plate, the connecting through hole corresponds to that of a threaded through hole in the connecting baffle, and a bolt matched with the threaded through.
5. The building foundation pit deformation monitoring device according to claim 4, wherein the monitoring mechanism further comprises a spring, the spring is sleeved on the sliding arm, one end of the spring is fixedly connected with the fixed arm, and the other end of the spring is fixedly connected with the bearing plate.
6. The building foundation pit deformation monitoring device of claim 5, wherein the lower surface of the positioning pile is provided with threads.
7. The building foundation pit deformation monitoring device of claim 6, wherein the positioning mechanism further comprises at least two rotating handles, and the rotating handles are in threaded connection with the side surfaces of the positioning piles at the upper parts of the positioning piles.
8. The building foundation pit deformation monitoring device according to claim 7, wherein the inner wall of the connecting through hole is provided with threads matched with the bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020411612.0U CN212200516U (en) | 2020-03-26 | 2020-03-26 | Building foundation pit deformation monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020411612.0U CN212200516U (en) | 2020-03-26 | 2020-03-26 | Building foundation pit deformation monitoring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212200516U true CN212200516U (en) | 2020-12-22 |
Family
ID=73824744
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020411612.0U Expired - Fee Related CN212200516U (en) | 2020-03-26 | 2020-03-26 | Building foundation pit deformation monitoring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212200516U (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113186997A (en) * | 2021-05-20 | 2021-07-30 | 马盼 | Multi-point position measuring device for foundation pit settlement detection |
| CN113203352A (en) * | 2021-05-28 | 2021-08-03 | 重庆建新建设工程监理咨询有限公司 | Automatic monitoring system and monitoring method for foundation pit displacement |
| CN113235677A (en) * | 2021-06-01 | 2021-08-10 | 三门峡职业技术学院 | Building foundation pit deformation monitoring device |
| CN113485217A (en) * | 2021-07-28 | 2021-10-08 | 厦门市政智慧城市科技有限公司 | Construction site safety management monitoring platform and monitoring method |
| CN113642859A (en) * | 2021-07-28 | 2021-11-12 | 厦门市政智慧城市科技有限公司 | Detection management system and management method for intelligent construction site |
| CN113789822A (en) * | 2021-10-20 | 2021-12-14 | 宁波数绘信息科技有限公司 | Foundation pit monitoring device |
| CN115030239A (en) * | 2022-06-30 | 2022-09-09 | 吉林大学 | Monitoring equipment for soil deformation around deep foundation pit excavation |
| CN115116197A (en) * | 2022-06-14 | 2022-09-27 | 北京市政建设集团有限责任公司 | Automatic monitoring and early warning device for collapse danger of foundation pit construction |
| CN115142393A (en) * | 2022-08-10 | 2022-10-04 | 安徽远信工程项目管理有限公司 | Foundation protection monitoring method based on safety engineering management |
-
2020
- 2020-03-26 CN CN202020411612.0U patent/CN212200516U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113186997A (en) * | 2021-05-20 | 2021-07-30 | 马盼 | Multi-point position measuring device for foundation pit settlement detection |
| CN113203352A (en) * | 2021-05-28 | 2021-08-03 | 重庆建新建设工程监理咨询有限公司 | Automatic monitoring system and monitoring method for foundation pit displacement |
| CN113235677A (en) * | 2021-06-01 | 2021-08-10 | 三门峡职业技术学院 | Building foundation pit deformation monitoring device |
| CN113485217A (en) * | 2021-07-28 | 2021-10-08 | 厦门市政智慧城市科技有限公司 | Construction site safety management monitoring platform and monitoring method |
| CN113642859A (en) * | 2021-07-28 | 2021-11-12 | 厦门市政智慧城市科技有限公司 | Detection management system and management method for intelligent construction site |
| CN113789822A (en) * | 2021-10-20 | 2021-12-14 | 宁波数绘信息科技有限公司 | Foundation pit monitoring device |
| CN115116197A (en) * | 2022-06-14 | 2022-09-27 | 北京市政建设集团有限责任公司 | Automatic monitoring and early warning device for collapse danger of foundation pit construction |
| CN115116197B (en) * | 2022-06-14 | 2023-12-19 | 北京市政建设集团有限责任公司 | Automatic monitoring and early warning device for collapse danger of foundation pit construction |
| CN115030239A (en) * | 2022-06-30 | 2022-09-09 | 吉林大学 | Monitoring equipment for soil deformation around deep foundation pit excavation |
| CN115142393A (en) * | 2022-08-10 | 2022-10-04 | 安徽远信工程项目管理有限公司 | Foundation protection monitoring method based on safety engineering management |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN212200516U (en) | Building foundation pit deformation monitoring device | |
| RU2447255C2 (en) | Method and system to assess unscrewing based on data on pipe dog pressure | |
| CN201082846Y (en) | Real-time safety supervisory system for hoisting device | |
| CN215669740U (en) | Foundation pit deformation monitoring device | |
| CN203785746U (en) | Oil level sensor for gearbox of oil pumping unit capable of being measured by multimeter | |
| CN211014238U (en) | Industrial park environment monitoring device | |
| CN206385576U (en) | A kind of clinometer probe not damaged fishing device | |
| CN103234523B (en) | Precast pile inclination real-time monitoring and alarm apparatus | |
| CN210180434U (en) | Storm surge warning tide level monitoring device | |
| CN210893892U (en) | Post-anchoring buried plate drawing test device | |
| CN112061987A (en) | Tower crane safety monitoring management system based on visual thing allies oneself with | |
| CN206940149U (en) | A kind of construction elevator intelligent anchoring device | |
| CN112267578B (en) | Steel structure anti-seismic device for assembly type building | |
| CN220365004U (en) | Deep foundation pit template support structure | |
| CN212906566U (en) | Monitoring and early warning device for mountain disasters | |
| CN216272843U (en) | Oil field workover rig winch cylinder wire rope head fixing device | |
| CN210950549U (en) | Security protection supervisory equipment fast-assembling structure | |
| CN219657321U (en) | Distribution box strength detection equipment | |
| CN217887238U (en) | Monitoring device and filter with same | |
| CN217845633U (en) | Fan bearing monitoring and diagnosing device | |
| CN218470726U (en) | Integrated oil monitoring device | |
| CN204754831U (en) | Slush pump information collection system | |
| CN217999996U (en) | Electro-hydraulic actuator and actuator system | |
| CN213684102U (en) | Wireless directional measurement device while drilling | |
| CN220322607U (en) | Pull rod axial force monitoring device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201222 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |