High formwork support axial deformation monitoring and early warning sensor

Abstract

The invention relates to the technical field of axial deformation monitoring of a concrete pouring high-formwork support, in particular to an axial deformation monitoring and early warning sensor for a high-formwork support. The device comprises a laser transmitter, a grating scale sensor, a fixing buckle, a sensor shell, a data transmission antenna, a battery, a charging interface and a composite level. The horizontal displacement is converted into the axial deformation of the high-formwork support by utilizing the principle that optical imaging, grating scales and triangles are similar. When the high-formwork support deforms due to axial compression, the horizontal scales of the grating scale sensors change, and the axial deformation of the high-formwork support is calculated according to the triangle similarity principle. Data are transmitted to the cloud platform through the data transmission antenna, real-time monitoring and early warning are conducted on axial deformation of the high-formwork support, construction safety and stability of pouring engineering of the high-formwork support are improved, the high-formwork support is assembled in the high-formwork steel pipe, manual movement or damage in the construction process is avoided, and the maintenance cost is low.

Description

Technical Field

[0001] The invention relates to the technical field of axial deformation monitoring of a high formwork support for concrete pouring, and in particular to an axial deformation monitoring and early warning sensor for a high formwork support. Background Art

[0002] The high bracket support formwork will be subjected to great pressure during the concrete pouring process and for a period of time after the pouring. The pressure may exceed the upper limit of the bracket's bearing capacity and cause a certain degree of compression deformation. If the deformation is too large, a collapse accident may occur. In order to timely reflect the changes in the high bracket support system and prevent the occurrence of safety accidents, it is necessary to monitor the bracket in real time. The current monitoring method requires manual collection and is complex, which wastes a lot of manpower time and has large measurement errors.

[0003] Based on this, the present invention introduces a high formwork support axial deformation monitoring and early warning sensor, which uses optical imaging, grating scale and triangle similarity principle to convert horizontal displacement into high formwork support axial deformation. Real-time monitoring and early warning of high supports at the construction site are carried out to improve the safety and stability of concrete structure pouring monitoring. Summary of the invention

[0004] The purpose of the present invention is to provide a high-support formwork support axial deformation monitoring and early warning sensor to solve the problems raised in the above-mentioned background technology.

[0005] In order to solve the above technical problems, the present invention adopts the following technical solutions:

[0006] A high-support formwork support axial deformation monitoring and early warning sensor, including two modules A and B, a laser emission module A and a laser receiving module B are arranged on the upper section of the high-support formwork support, and the two modules A and B are provided with a laser emitter, a grating scale sensor, a fixing buckle, a sensor housing, a data transmission antenna, a battery and a charging interface, a compound level, an alarm, a data acquisition integrator and a data analysis and transmission integrator; a remote cloud platform, wherein,

[0007] The laser emission module A is used to send a laser beam, and includes two groups of laser emitters R1 and R2. A single group of emitters emits a vertically downward laser S1 and a laser S2 at a slight angle α along the vertical direction.

[0008] The laser receiving module B is used to receive laser beams and measure the spacing value d0 of the same laser beam using a grating scale sensor;

[0009] The remote cloud platform is used to control the data acquisition and collection of the AB modules, send instructions, and perform real-time online monitoring of the axial deformation of the high-support formwork support.

[0010] Preferably, the laser transmitting A module and the laser receiving B module are installed on the ultra-high formwork bracket, the horizontal adjustment nut is fixed by fixing the buckle, so that the A and B modules are horizontal, and the distance L0 between the A and B modules is measured.

[0011] Preferably, when the high formwork support is compressed and deformed axially, the distance between modules A and B becomes smaller to L l , L r (L l , L r is the left and right data), at this time, the grating scale sensor collects the distance between S1 and S2 as d l ,d r .

[0012] Preferably, the data analysis and transmission integrator (10) uses the similar triangle calculation rule to calculate the axial deformation of the high formwork support: ε l =L0(1-d l / d0) or ε r =L0(1-d r / d0), take the average deformation of the left and right sides and the final deformation ε=(ε l +ε r ) / 2.

[0013] Preferably, when the axial deformation value of the ultra-high formwork support exceeds a preset warning value (the warning value obtained through theoretical calculation), the alarm and flasher flash or sound a warning prompt; at the same time, the remote cloud platform issues a warning prompt.

[0014] Preferably, the remote cloud platform sends the warning data to the mobile phones of on-site technicians to provide safety warnings to on-site personnel and promptly remind the staff to take corresponding safety measures.

[0015] Preferably, the sensor housing is mounted on a high-formwork steel pipe at the construction site, a mounting seat is sleeved on the outer side of the sensor housing, and a positioning mechanism is mounted on one end of the mounting seat.

[0016] Preferably, the positioning mechanism includes an internal cavity, a mounting seat, a protruding block, a fixed connection tube, a movable surface groove, a fixed disk, a threaded rod and a transmission member, the internal cavity is fixed at one end of the mounting seat, the protruding block is fixed at the end of the internal cavity away from the mounting seat, the side of the protruding block away from the internal cavity is rotatably connected to the fixed connection tube, a plurality of movable surface grooves are evenly distributed on the outside of the fixed connection tube, a fixed disk is fixed at one end of the inner side of the internal cavity, a threaded rod is fixed at one end of the fixed disk, and a transmission member is assembled between the internal cavity and the fixed connection tube.

[0017] Preferably, the transmission member includes a guide sleeve, a displacement groove, a support connecting rod, a matching quick-connect sleeve, a first transmission rod, a second transmission rod and an extension head. The outer side of the threaded rod is threadedly connected to the guide sleeve, and a plurality of displacement grooves are evenly distributed on the outer side of the guide sleeve. The inner sides of the displacement grooves are slidably connected to support connecting rods, one ends of the support connecting rods are fixed to the fixed connecting tube, the inner sides of the movable surface grooves are rotatably connected to the matching quick-connect sleeves through pins, the inner sides of the matching quick-connect sleeves are slidably connected to the first transmission rod, one end of the first transmission rod is fixed to the second transmission rod, the other end of the first transmission rod is rotatably connected to the extension head through a pin, and the extension heads are fixed to the protruding blocks.

[0018] It can be seen without a doubt that the above-mentioned technical solution of the present application can definitely solve the technical problem to be solved by the present application.

[0019] At the same time, through the above technical solutions, the present invention has at least the following beneficial effects:

[0020] 1. The present invention provides a high-support formwork support axial deformation monitoring and early warning sensor, which provides a basis for the safety early warning of the axial deformation of the high-support formwork support. The installation is convenient, simple and quick. The split design greatly improves the convenience of use and has a low cost. In the current structural engineering casting construction, the axial deformation monitoring of the high-support formwork support is inefficient and has poor accuracy. It is difficult to detect the deformation of the high-support formwork support in time, and it is impossible to give an early warning in time, resulting in delayed remedial measures, which leads to the occurrence of safety accidents in the structural casting construction. This invention solves the corresponding problems very well. It is simple, fast, convenient, low-cost and timely, which greatly improves efficiency and safety. It can monitor and warn the axial deformation of the high-support formwork support at the construction site in real time, ensure the safety of the structural engineering casting construction, and improve the safety and stability of the structural engineering casting construction.

[0021] 2. The structural design of the positioning mechanism of the present invention enables the device to assemble the sensor inside the high-support formwork steel pipe through the positioning mechanism, that is, the sensors are all inside the high-support formwork steel pipe and will not be moved or damaged by humans during construction. The maintenance cost is low and it is easy to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the accompanying drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are some embodiments of the present invention. For ordinary technicians in this field, other accompanying drawings can be obtained based on these accompanying drawings without paying any creative work.

[0023] Figure 1 It is a structural schematic diagram of the present invention;

[0024] Figure 2 It is a schematic diagram of two groups of laser emitters R1 and R2 of the present invention;

[0025] Figure 3 It is a schematic diagram of the connection structure of the high-support formwork steel pipe of the present invention;

[0026] Figure 4 For the present invention Figure 3 The enlarged structural diagram at A in the middle;

[0027] Figure 5 It is a schematic diagram of the connection structure between the threaded rod and the guide sleeve of the present invention;

[0028] Figure 6 It is a schematic diagram of the connection structure between the inscribed cavity and the protruding block of the present invention;

[0029] Figure 7 It is a schematic diagram of the cross-section structure of the inscribed cavity of the present invention.

[0030] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0031] In the figure: 1. Laser transmitter; 2. Grating scale sensor; 3. Fixing buckle; 4. Sensor housing; 5. Data transmission antenna; 6. Battery and charging interface; 7. Compound level; 8. Alarm; 9. Data acquisition integrator; 10. Data analysis and transmission integrator; 11. High-support formwork steel pipe; 12. Internal cavity; 13. Mounting seat; 14. Raised block; 15. Fixed connecting tube; 16. Movable surface groove; 17. Fixed disk; 18. Threaded rod; 19. Guide sleeve; 20. Displacement groove; 21. Support connecting rod; 22. Matching quick-connect sleeve; 23. First transmission rod; 24. Second transmission rod; 25. Extension head. DETAILED DESCRIPTION

[0032] In order to make the purpose, technical solution and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0033] Example 1

[0034] Reference Figure 1-2 , a high-support formwork support axial deformation monitoring and early warning sensor, including two modules A and B, a laser emission module A and a laser receiving module B are arranged on the upper section of the high-support formwork support, and the two modules A and B are provided with a laser emitter 1, a grating scale sensor 2, a fixing buckle 3, a sensor housing 4, a data transmission antenna 5, a battery and a charging interface 6, a compound level 7, an alarm 8, a data acquisition integrator 9 and a data analysis and transmission integrator 10; a remote cloud platform, wherein,

[0035] The laser emission module A is used to emit a laser beam, and includes two groups of laser emitters R1 and R2. A single group of emitters emits a vertically downward laser S1 and a laser S2 at a slight angle α along the vertical.

[0036] The laser receiving module B is used to receive the laser beam and measure the spacing value d0 of the same laser beam using the grating scale sensor 2;

[0037] The remote cloud platform is used to control the data acquisition and collection of the AB modules, send instructions, and conduct real-time online monitoring of the axial deformation of the high-support formwork support.

[0038] Install the laser transmitting module A and the laser receiving module B on the super-high formwork bracket, adjust the nuts horizontally, and fix them through the fixing buckle 3 to make the A and B modules horizontal, and measure the distance L0 between the A and B modules.

[0039] When the high formwork support is compressed and deformed axially, the distance between modules A and B becomes smaller to L l , L r (L l , L r is the left and right data), at this time, the grating scale sensor 2 collects the distance between S1 and S2 is d l d r .

[0040] The data analysis and transmission integrator 10 uses the similar triangle calculation rule to calculate the axial deformation of the high formwork support: ε l =L0(1-d l / d0) or ε r =L0(1-d r / d0), take the average deformation of the left and right sides and the final deformation ε=(ε l +ε r ) / 2.

[0041] When the axial deformation value of the ultra-high formwork support exceeds the preset warning value (the warning value obtained through theoretical calculation), the alarm and flasher will flash or sound a warning prompt; at the same time, the remote cloud platform will issue a warning prompt.

[0042] The remote cloud platform sends early warning data to the mobile phones of on-site technicians, provides safety warnings to on-site personnel, and promptly reminds staff to take corresponding safety measures.

[0043] Example 2

[0044] Embodiment 1 is further optimized, specifically, as Figure 3-7 As shown, the sensor housing 4 is assembled on the high-support steel pipe 11 at the construction site, and a mounting seat 13 is sleeved on the outer side of the sensor housing 4, and a positioning mechanism is assembled at one end of the mounting seat 13.

[0045] The positioning mechanism includes an internal cavity 12, a mounting seat 13, a protruding block 14, a fixed connection tube 15, a movable surface groove 16, a fixed disk 17, a threaded rod 18 and a transmission member. The internal cavity 12 is fixed at one end of the mounting seat 13, and the protruding block 14 is fixed at one end of the internal cavity 12 away from the mounting seat 13. The fixed connection tube 15 is rotatably connected to the side of the protruding block 14 away from the internal cavity 12. A plurality of movable surface grooves 16 are evenly distributed on the outside of the fixed connection tube 15. A fixed disk 17 is fixed at one end of the inner side of the internal cavity 12, and a threaded rod 18 is fixed at one end of the fixed disk 17. A transmission member is assembled between the internal cavity 12 and the fixed connection tube 15. Through the setting of the movable surface groove 16, it can provide guidance and limiting functions for the position change of the quick-connect sleeve 22.

[0046] The transmission member includes a guide sleeve 19, a displacement groove 20, a support connecting rod 21, a matching quick-connect sleeve 22, a first transmission rod 23, a second transmission rod 24 and an extension head 25. The outer side of the threaded rod 18 is threadedly connected to the guide sleeve 19, and a plurality of displacement grooves 20 are evenly distributed on the outer side of the guide sleeve 19. The inner side of the displacement groove 20 is slidably connected to the support connecting rod 21, and one end of the support connecting rod 21 is fixed to the fixed connection tube 15. The inner side of the movable surface groove 16 is rotatably connected to the matching quick-connect sleeve 22 through a pin, and the inner side of the matching quick-connect sleeve 22 is slidably connected to the first transmission rod 23. The second transmission rod 24 is fixed to one end of the first transmission rod 23, and the other end of the first transmission rod 23 is rotatably connected to the extension head 25 through a pin, and the extension head 25 is connected to the protruding block 14 is fixed. When in use, the fixed connecting tube 15 is placed in the high-support formwork steel pipe 11, and then the threaded rod 18 is held, and then the guide sleeve 19 is rotated to make the guide sleeve 19 move along the outside of the threaded rod 18, and the guide sleeve 19 drives the supporting connecting rod 21 and the fixed connecting tube 15 to rotate, so that the movable surface groove 16 drives the matching quick-connect sleeve 22 to rotate synchronously. Since the matching quick-connect sleeve 22 is slidingly connected with the first transmission rod 23, the multiple first transmission rods 23 can drive the second transmission rods 24 to move in the direction away from the center of the high-support formwork steel pipe 11, until the multiple second transmission rods 24 are against the inner side of the high-support formwork steel pipe 11, the sensor can be fixed on the inner side of the high-support formwork steel pipe 11 to prevent external damage during monitoring.

[0047] From the above, we can know that:

[0048] The present invention addresses the following technical problem: the high bracket supporting formwork will be subjected to great pressure during the concrete pouring process and for a period of time after the pouring. The pressure may exceed the upper limit of the bracket's load-bearing capacity and cause a certain degree of compression deformation. If the deformation is too large, a collapse accident may occur. In order to timely reflect the changes in the high bracket support system and prevent the occurrence of safety accidents, it is necessary to monitor the bracket in real time. The current monitoring method requires manual collection and is complex, which wastes a lot of manpower time and has large measurement errors. The technical solutions of the above embodiments are adopted. At the same time, the implementation process of the above technical solution is:

[0049] The electrical components in this device are all existing technologies, and their models are only one of them. As long as the electrical components can achieve the purpose of this device, they can be used. All electrical components in the device are connected to their adapted power supplies through wires, and appropriate controllers should be selected according to actual conditions to meet control requirements. The specific connection and control sequence should refer to the following working principle, and the electrical connection between the electrical components is completed in the working sequence. The detailed connection means are well-known technologies in the art. The following mainly introduces the working principle and process, and no longer explains the electrical control;

[0050] Install the laser emitting module A and the laser receiving module B in the high formwork steel pipe 11 on the ultra-high formwork support, and measure the distance L0 between the A and B modules. Using the laser emitters R1 and R2 of the laser emitting module A, a single set of emitters emits a vertically downward laser S1 and a laser S2 at a small vertical angle α; the grating scale sensor 2 of the laser receiving module B measures the spacing value d0 of the same laser beam; during the concrete pouring process and for a period of time after pouring, pressure acts on the high support support formwork. When the support is under too much pressure, the support will be compressed and deformed. After the support is deformed, the distance between the top and the bottom will be shortened. The distance between the A and B modules becomes smaller to L l , L r (L l , L r is the left and right data), at this time, the grating scale sensor 2 collects the distance between S1 and S2 is d l ,d r ; Use the similar triangle calculation rule to calculate the axial deformation of the high formwork support. When the axial deformation value of the ultra-high formwork support exceeds the preset warning value (the warning value obtained by theoretical calculation), the alarm 8 flashes or sounds a warning prompt. The remote cloud platform sends the warning data to the mobile phone of the on-site technician to provide safety warnings for the on-site personnel and remind the staff to take corresponding safety measures in time.

[0051] Through the above configuration, the present application can certainly solve the above technical problems and achieve the following technical effects:

[0052] 1. The present invention provides a high-support formwork support axial deformation monitoring and early warning sensor, which provides a basis for the safety early warning of the axial deformation of the high-support formwork support. The installation is convenient, simple and quick. The split design greatly improves the convenience of use and has a low cost. In the current structural engineering casting construction, the axial deformation monitoring of the high-support formwork support is inefficient and has poor accuracy. It is difficult to detect the deformation of the high-support formwork support in time, and it is impossible to give an early warning in time, resulting in delayed remedial measures, which leads to the occurrence of safety accidents in the structural casting construction. This invention solves the corresponding problems very well. It is simple, fast, convenient, low-cost and timely, which greatly improves efficiency and safety. It can monitor and warn the axial deformation of the high-support formwork support at the construction site in real time, ensure the safety of the structural engineering casting construction, and improve the safety and stability of the structural engineering casting construction.

[0053] 2. The present invention adopts the structural design of the positioning mechanism so that the device can assemble the sensor inside the high-support formwork steel pipe (11) through the positioning mechanism, that is, the sensors are all inside the high-support formwork steel pipe (11) and will not be moved or damaged by humans during the construction process. The maintenance cost is low and it is easy to use.

[0054] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral one; it can be a mechanical connection, an electrical connection, or communication with each other; it can be a direct connection, or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0055] Obviously, the embodiments described above are only some embodiments of the present invention, rather than all embodiments. The preferred embodiments of the present invention are given in the accompanying drawings, but they do not limit the patent scope of the present invention. The present invention can be implemented in many different forms. On the contrary, the purpose of providing these embodiments is to make the understanding of the disclosure of the present invention more thorough and comprehensive. Although the present invention has been described in detail with reference to the aforementioned embodiments, for those skilled in the art, it is still possible to modify the technical solutions recorded in the aforementioned specific embodiments, or to perform equivalent replacements for some of the technical features therein. Any equivalent structure made using the contents of the specification and drawings of the present invention, directly or indirectly used in other related technical fields, is also within the scope of patent protection of the present invention.

Claims

1. A high-support formwork support axial deformation monitoring and early warning sensor, It is characterized in that It comprises two modules, A and B. A laser transmitting module A and a laser receiving module B are arranged on the upper section of the high-supporting formwork support. The two modules A and B are provided with a laser transmitter (1), a grating scale sensor (2), a fixing buckle (3), a sensor housing (4), a data transmission antenna (5), a battery and a charging interface (6), a compound level (7), an alarm (8), a data acquisition integrator (9) and a data analysis and transmission integrator (10); a remote cloud platform, wherein: The laser emission module A is used to emit a laser beam and includes two sets of laser emitters R 1 , R 2 , a single group of transmitters emits vertically downward laser S 1 and the laser S at a slight angle α perpendicular to the 2 ; The laser receiving module B is used to receive the laser beam and use the grating scale sensor (2) to measure the spacing value d of the same laser beam. 0 ; The remote cloud platform is used to control the data acquisition and collection of the AB modules, send instructions, and perform real-time online monitoring of the axial deformation of the high-support formwork support.

2. According to claim 1, a high-support formwork support axial deformation monitoring and early warning sensor, It is characterized in that Install the laser transmitting module A and the laser receiving module B on the ultra-high formwork support, adjust the nuts horizontally, and fix them with the fixing buckle (3) to make the modules A and B level, and measure the distance L between the modules A and B. 0 .

3. A high-support formwork support axial deformation monitoring and early warning sensor according to claim 2, It is characterized in that When the high formwork support is compressed and deformed axially, the distance between modules A and B becomes smaller to L l , L r (L l , L r is the left and right data), at this time, the grating scale sensor (2) collects S 1 , S 2 The spacing is d l d r .

4. A high formwork support axial deformation monitoring and early warning sensor according to claim 3, It is characterized in that The data analysis and transmission integrator (10) uses the similar triangle calculation rule to calculate the axial deformation of the high formwork support: ε l =L 0 (1-d l / d 0 ) or ε r =L 0 (1-d r / d 0 ), take the average deformation of the left and right sides and the final deformation ε=(ε l +ε r ) / 2.

5. A high formwork support axial deformation monitoring and early warning sensor according to claim 4, It is characterized in that When the axial deformation value of the ultra-high formwork support exceeds the preset warning value (the warning value obtained through theoretical calculation), the alarm and flasher will flash or sound a warning prompt; at the same time, the remote cloud platform will issue a warning prompt.

6. A high formwork support axial deformation monitoring and early warning sensor according to claim 5, It is characterized in that The remote cloud platform sends early warning data to the mobile phones of on-site technicians, provides safety warnings to on-site personnel, and promptly reminds staff to take corresponding safety measures.

7. A high-support formwork support axial deformation monitoring and early warning sensor according to claim 1, It is characterized in that The sensor housing (4) is mounted on a high-formwork steel pipe (11) at a construction site. A mounting seat (13) is sleeved on the outer side of the sensor housing (4), and a positioning mechanism is mounted on one end of the mounting seat (13).

8. A high-support formwork support axial deformation monitoring and early warning sensor according to claim 7, It is characterized in that The positioning mechanism comprises an inner cavity (12), a mounting seat (13), a protruding block (14), a fixed connection tube (15), a movable surface groove (16), a fixed disk (17), a threaded rod (18) and a transmission member, wherein the inner cavity (12) is fixed to one end of the mounting seat (13), the protruding block (14) is fixed to one end of the inner cavity (12) away from the mounting seat (13), the side of the protruding block (14) away from the inner cavity (12) is rotatably connected to the fixed connection tube (15), a plurality of movable surface grooves (16) are evenly distributed on the outer side of the fixed connection tube (15), the fixed disk (17) is fixed to one end of the inner side of the inner cavity (12), the threaded rod (18) is fixed to one end of the fixed disk (17), and a transmission member is assembled between the inner cavity (12) and the fixed connection tube (15).

9. A high formwork support axial deformation monitoring and early warning sensor according to claim 8, It is characterized in that The transmission member comprises a guide sleeve (19), a displacement groove (20), a support connecting rod (21), a matching quick-connect sleeve (22), a first transmission rod (23), a second transmission rod (24) and an extension head (25); the outer side of the threaded rod (18) is threadedly connected to the guide sleeve (19); the outer side of the guide sleeve (19) is evenly provided with a plurality of displacement grooves (20); the inner sides of the displacement grooves (20) are slidably connected to the support connecting rods (21); the support connecting rods (21) One end of each of the movable surface grooves (16) is fixed to a fixed connection tube (15); the inner side of each of the movable surface grooves (16) is rotatably connected to a matching quick-connect sleeve (22) via a pin; the inner side of each of the matching quick-connect sleeves (22) is slidably connected to a first transmission rod (23); one end of each of the first transmission rods (23) is fixed to a second transmission rod (24); the other end of each of the first transmission rods (23) is rotatably connected to an extension head (25) via a pin; and each of the extension heads (25) is fixed to the protruding block (14).

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