CN113463501B - Building pier protection frame based on triangle-shaped location structure - Google Patents
Building pier protection frame based on triangle-shaped location structure Download PDFInfo
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- CN113463501B CN113463501B CN202110818958.1A CN202110818958A CN113463501B CN 113463501 B CN113463501 B CN 113463501B CN 202110818958 A CN202110818958 A CN 202110818958A CN 113463501 B CN113463501 B CN 113463501B
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/02—Piers; Abutments ; Protecting same against drifting ice
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/30—Adapting or protecting infrastructure or their operation in transportation, e.g. on roads, waterways or railways
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- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention belongs to the technical field of building piers, and discloses a building pier protection frame based on a triangular positioning structure, which comprises clamping assemblies arranged in an annular array, wherein each clamping assembly comprises an arc-shaped plate, a protection assembly is arranged in each clamping assembly, and the top outer side wall and the bottom outer side wall of each arc-shaped plate are movably connected with a group of fixed seats through a movable plate; the number of each group of fixing seats is two; the opposite sides of the two fixing seats are provided with connecting grooves; fixing holes for bolts to pass through are formed in the fixing seats, and first round holes are formed in the two fixing seats; according to the invention, through the mutual coordination among the clamping assembly, the protection assembly, the first air pressure sensor, the second air pressure sensor, the stepping motor and the like, the device can protect cylindrical piers with different sizes and round platform piers with different sizes by controlling the rotation steps of the stepping motor, and the adaptability of the device is improved.
Description
Technical Field
The invention belongs to the technical field of building piers, and particularly relates to a building pier protection frame based on a triangular positioning structure.
Background
The bridge pier is a sub-building for supporting the bridge span structure and transmitting constant load and vehicle live load to the foundation, the bridge pier is arranged between two bridge abutments, the bridge pier is used for supporting the bridge span structure and can be divided into rectangular piers, pointed piers, circular piers and the like according to the plane shape, the building bridge pier of the circular piers is widely used in the market at present, and the periphery of the building bridge pier is usually required to be effectively protected by a protective frame.
Most of the existing protective frames cannot effectively position building piers, and cannot be correspondingly adjusted and positioned according to round piers of different sizes, and the protective frames of different sizes are required to be prepared according to the building piers of different sizes, so that the production difficulty is high, and the suitability is low.
The invention patent in China with the application number of CN202011074564.1 discloses a building pier protection frame based on a triangular positioning structure and a positioning method thereof, wherein triangular positioning of piers is realized by arranging three positioning arc plates and forming an equilateral triangle by utilizing the center points of the three tops of the three arc plates, and the three arc positioning plates are driven to move mutually by an adjusting screw rod, so that circular piers with different sizes are tightly attached.
However, the above technical solution still has many drawbacks during practical use:
1. when in actual use, the three adjusting screw rods are required to be rotated simultaneously to realize the movement of the three arc plates, one person cannot simultaneously complete the synchronous rotation of the three adjusting screw rods due to the large size of the bridge pier, three operators are required to realize the synchronous rotation of the three adjusting screw rods, and the labor difficulty of the operators is increased.
2. Said invention can be applicable to cylindrical bridge piers with different sizes, but can not be used for protecting round table bridge pier, so that it is necessary to adapt to both cylindrical bridge pier and round table bridge pier so as to overcome the above-mentioned technical problems.
Disclosure of Invention
The invention aims to solve the problems, and provides a building pier protection frame based on a triangular positioning structure, which solves the problems provided by the technical background.
In order to achieve the above purpose, the present invention provides the following technical solutions: the building pier protection frame based on the triangular positioning structure comprises clamping assemblies which are arranged in an annular array, wherein each clamping assembly comprises an arc-shaped plate, a protection assembly is arranged in each clamping assembly, and the top outer side wall and the bottom outer side wall of each arc-shaped plate are movably connected with a group of fixing seats through a movable plate; the number of each group of fixing seats is two; the opposite sides of the two fixing seats are provided with connecting grooves; fixing holes for bolts to pass through are formed in the fixing seats, and first round holes are formed in the two fixing seats; the first round hole is communicated with the connecting groove; the inner cavities of the connecting grooves are all movably connected with adjusting screw rods, and slide bars are arranged in the inner cavities of the connecting grooves; the sliding rod is positioned at the upper part of the adjusting screw rod; one end of the adjusting screw rod is rotationally connected with the inner wall of the connecting groove, the other end of the adjusting screw rod extends out of the first round hole and is rotationally connected with the first round hole, the surface of the adjusting screw rod is meshed with a meshing plate, and a first gear is fixedly arranged at one end of the adjusting screw rod, which penetrates through and extends out of the first round hole; one end of the moving plate is hinged with the arc-shaped plate, the other end of the moving plate is connected with the sliding rod in a sliding manner, and a spring is sleeved on the sliding rod on one side, far away from the first round hole, of the moving plate in a sliding manner; the meshing plate is provided with a hole penetrating through the sliding rod, and the meshing plate is positioned at one side of the moving plate, which is close to the first round hole; the first gears are meshed with a second gear, and each second gear is driven by a stepping motor; the stepping motors are fixedly connected with the fixing seats; the protection assembly comprises a first air bag and a second air bag, wherein the first air bag is fixedly connected with the inner wall of the lower part of the arc-shaped plate, the second air bag is fixedly connected with the inner wall of the upper part of the arc-shaped plate, a first inflation valve pipe is arranged on the side part of the first air bag, a second inflation valve pipe is arranged on the side part of the second air bag, a first air pressure sensor is arranged in the first air bag, and a second air pressure sensor is arranged in the second air bag; when the pressure value detected by the first air pressure sensor or/and the second air pressure sensor on any group of clamping assemblies is greater than a preset pressure value, the control system controls the stepping motors corresponding to the other two groups of clamping assemblies to start, so that the air pressure in the first air bags and the second air bags of the other two groups is the same as the air pressure in the first air bags and the second air bags on the impacted side.
As the preferable technical scheme of the invention, the number of the groups of the fixed seats is three, wherein the left end and the right end of one group of the fixed seats are fixedly provided with the supporting plates, the side wall of the supporting plate is fixedly provided with the rotating shaft, the surface of the rotating shaft is fixedly provided with the clamping ring, the side wall of one end, far away from the supporting plate, of the other two groups of the fixed seats is fixedly provided with the connecting plate, the end, close to the supporting plate, of the other two groups of the fixed seats is fixedly provided with the extending plate, and the top surface of the extending plate is fixedly provided with the movable plate; the movable plate is movably sleeved on the rotating shaft.
As the preferable technical scheme of the invention, the two clamping rings are arranged, and the two clamping rings are respectively positioned at the upper side and the lower side of the movable plate.
As a preferable technical scheme of the invention, a first electromagnet is arranged on one side of the movable plate, which is close to the engagement plate, and a second electromagnet is arranged on one side of the engagement plate, which is close to the movable plate.
As a preferable technical scheme of the invention, the fixed seat is in a sector shape, the movable plate is in an L shape, and the length of the movable plate in the horizontal direction is longer than the length from one side of the connecting groove, which is close to the first round hole, to the inner side wall of the fixed seat.
As the preferable technical scheme of the invention, round holes for bolts to pass through are formed in the connecting plates, and the connecting plates are fixedly connected through bolts and nuts.
The preferable technical scheme of the invention is characterized in that: the clamping assembly is characterized in that a metal net is arranged on the outer side wall of the clamping assembly, the metal net is connected with the outer side wall of the arc-shaped plate through screws, and an inclined mesh groove is formed in the outer side wall of the arc-shaped plate.
As a preferable technical scheme of the invention, the first air bag and the second air bag are fixedly connected with the inner side wall of the arc-shaped plate through sticking buckles.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the invention, through the mutual coordination among the clamping assembly, the protection assembly, the first air pressure sensor, the second air pressure sensor, the stepping motor and the like, the device can protect cylindrical piers with different sizes and round platform piers with different sizes by controlling the rotation steps of the stepping motor, so that the adaptability of the device is improved;
2. according to the invention, through the mutual coordination among the clamping assemblies, the protection assemblies, the first air pressure sensor, the second air pressure sensor, the stepping motor and the like, when the pressure value detected by the first air pressure sensor or/and the second air pressure sensor on any one group of clamping assemblies is greater than a preset pressure value, the control system controls the stepping motors corresponding to the other two groups of clamping assemblies to start, so that the gas pressure in the first air bag and the second air bag of the other two groups is the same as the gas pressure in the first air bag and the second air bag on the impacted side, the periphery of the pier is uniformly stressed, the pier is prevented from being offset due to overlarge stress on one side, and the air bags deform to absorb the impact force, thereby realizing the protection of the pier.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic view of an explosion connection of the structural shield assembly of the present invention;
FIG. 3 is a schematic view of an explosion connection of a structural fastening base of the present invention;
FIG. 4 is a schematic view of the connection of the movable plate of the structure of the present invention;
FIG. 5 is an enlarged schematic view of the structure of the present invention at A in FIG. 4.
In the figure: 1. a fixed base; 2. an extension plate; 3. a movable plate; 4. a first round hole; 5. a slide bar; 6. a first electromagnet; 7. a second electromagnet; 8. a stepping motor; 9. a first gear; 10. a first air pressure sensor; 11. a second air pressure sensor; 12. a support plate; 13. a rotation shaft; 14. a clamping ring; 15. a connecting plate; 16. a connecting groove; 17. adjusting a screw rod; 18. a second gear; 19. engaging the plate; 20. a clamping mechanism; 2001. an arc-shaped plate; 21. a protective assembly; 2101. a first air bag; 2102. a second air bag; 2103. a first inflation valve tube; 2104. a second inflation valve tube; 22. a moving plate; 23. and (3) a spring.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1:
as shown in fig. 1 to 5, the invention provides a building pier protection frame based on a triangular positioning structure, which comprises clamping assemblies 20 arranged in an annular array, wherein each clamping assembly 20 comprises an arc plate 2001, each clamping assembly 20 is internally provided with a protection assembly 21, and the top outer side wall and the bottom outer side wall of each arc plate 2001 are movably connected with a group of fixed seats 1 through a movable plate 22; the number of the fixed seats 1 in each group is two; the opposite sides of the two fixing seats 1 are provided with connecting grooves 16; fixing holes for bolts to pass through are formed in the fixing seats 1, and first round holes 4 are formed in the two fixing seats 1; the first round hole 4 is communicated with the connecting groove 16; the inner cavities of the connecting grooves 16 are all movably connected with adjusting screw rods 17, and the inner cavities of the connecting grooves 16 are provided with sliding rods 5; the slide bar 5 is positioned at the upper part of the adjusting screw rod 17; one end of an adjusting screw rod 17 is rotationally connected with the inner wall of the connecting groove 16, the other end of the adjusting screw rod 17 extends out of the first round hole 4 and is rotationally connected with the first round hole 4, a meshing plate 19 is meshed with the surface of the adjusting screw rod 17, and a first gear 9 is fixedly arranged at one end of the adjusting screw rod 17 penetrating and extending out of the first round hole 4; one end of the moving plate 22 is hinged with the arc-shaped plate 2001, the other end of the moving plate 22 is in sliding connection with the sliding rod 5, and a spring 23 is sleeved on the sliding rod 5 on one side, far away from the first round hole 4, of the moving plate 22 in a sliding manner; the engagement plate 19 is provided with a hole penetrating through the sliding rod 5, and the engagement plate 19 is positioned at one side of the moving plate 22 close to the first round hole 4; the first gears 9 are meshed with a second gear 18, and each second gear 18 is driven by a stepping motor 8; the stepping motors 8 are fixedly connected with the fixing base 1.
The protection component 21 comprises a first air bag 2101 and a second air bag 2102, wherein the first air bag 2101 is fixedly connected with the inner wall of the lower part of the arc-shaped plate 2001, the second air bag 2102 is fixedly connected with the inner wall of the upper part of the arc-shaped plate 2001, a first air inflation valve tube 2103 is arranged on the side part of the first air bag 2101, a second air inflation valve tube 2104 is arranged on the side part of the second air bag 2102, a first air pressure sensor 10 is arranged in the first air bag 2101, and a second air pressure sensor 11 is arranged in the second air bag 2102.
When the pressure value detected by the first air pressure sensor 10 or/and the second air pressure sensor 11 on any one group of clamping assemblies 20 is greater than the preset pressure value, the control system controls the stepper motors 8 corresponding to the other two groups of clamping assemblies 20 to start, so that the air pressure in the first air bag 2101 and the second air bag 2102 of the other two groups is the same as the air pressure in the first air bag 2101 and the second air bag 2102 on the impacted side.
According to the invention, through the mutual coordination among the clamping assembly 20, the protection assembly 21, the first air pressure sensor 10, the second air pressure sensor 11, the stepping motor 8 and the like, on one hand, the device can protect cylindrical piers with different sizes and round platform piers with different sizes by controlling the rotation steps of the stepping motor 8, and the adaptability of the device is improved; in the second aspect, when the pressure value detected by the first air pressure sensor 10 or/and the second air pressure sensor 11 on any one group of the clamping assemblies 20 is greater than the preset pressure value, the control system will control the stepper motors 8 corresponding to the other two groups of the clamping assemblies 20 to start, so that the air pressures in the first air bag 2101 and the second air bag 2102 of the other two groups are the same as the air pressures in the first air bag 2101 and the second air bag 2102 on the impacted side, so that the stress around the pier is uniform, the pier is prevented from being offset due to overlarge stress on one side, and the air bags deform to absorb the impact force, thereby realizing the protection of the pier.
The number of the groups of the fixed seats 1 is three, wherein the left end and the right end of one group of the fixed seats 1 are fixedly provided with the supporting plate 12, the side wall of the supporting plate 12 is fixedly provided with the rotating shaft 13, the surface of the rotating shaft 13 is fixedly provided with the clamping ring 14, the side wall of one end, far away from the supporting plate 12, of the other two groups of the fixed seats 1 is fixedly provided with the connecting plate 15, one end, close to the supporting plate 12, of the other two groups of the fixed seats 1 is fixedly provided with the extension plate 2, and the top surface of the extension plate 2 is fixedly provided with the movable plate 3; the movable plate 3 is movably sleeved on the rotating shaft 13; through fly leaf 3 around rotation axis 13 rotation to realize that the one end that backup pad 12 was kept away from to two rest groups fixing base 1 is close to each other, after the one end that backup pad 12 was kept away from to two rest groups fixing base 1 was laminated each other, two connecting plates 15 contact each other this moment, with two connecting plates 15 fixed connection through the bolt, thereby can realize the fixed connection between the unable adjustment base 1.
The two clamping rings 14 are arranged, and the two clamping rings 14 are respectively positioned at the upper side and the lower side of the movable plate 3; the clamping ring 14 positions the movable plate 3, so that the movable plate 3 is prevented from sliding off the rotating shaft 13, and the normal operation of the device is ensured.
The side of the moving plate 22 close to the engaging plate 19 is provided with a first electromagnet 6, and the side of the engaging plate 19 close to the moving plate 22 is provided with a second electromagnet 7. After the spring 23 is extruded for a long time and loses elasticity or the elasticity of the spring becomes smaller, the magnetism of the first electromagnet 6 and the magnetism of the second electromagnet 7 are controlled, so that the first electromagnet 6 and the second electromagnet 7 are attracted, and the engaging plate 19 drives the moving plate 22 to move towards the direction close to the first round hole 4.
The fixed seat 1 is fan-shaped, the movable plate 22 is L-shaped, and the length of the movable plate 22 in the horizontal direction is greater than the length from one side of the connecting groove 16, which is close to the first round hole 4, to the inner side wall of the fixed seat 1. By setting the length of the moving plate 22 in the horizontal direction, the condition that the bottom end or the top end of the clamping assembly 20 cannot clamp the pier due to the length of the moving plate 22 in the horizontal direction is avoided.
Round holes for bolts to pass through are formed in the connecting plates 15, and the connecting plates 15 are fixedly connected through bolts and nuts; by arranging the round holes, the bolts and nuts between the connecting plates 15 are fixedly connected.
The outer side wall of the clamping assembly 20 is provided with a metal net which is connected with the outer side wall of the arc plate 2001 through a screw, and the outer side wall of the arc plate 2001 is provided with an inclined mesh groove; by providing inclined mesh grooves on the outer side wall of the arcuate plate 2001 and metal nets on the outer side wall of the clamp assembly 20, plants can be planted on the outer side wall of the arcuate plate 2001, thereby decorating the bridge pier.
The first air bag 2101 and the second air bag 2102 are fixedly connected with the inner side wall of the arc-shaped plate 2001 through the sticking buckles, and the first air bag 2101 and the second air bag 2102 are detachably connected with the arc-shaped plate 2001 in a sticking buckle mode, so that replacement of the air bags is facilitated.
When the device is used for installing the cylindrical pier, the cylindrical pier is installed according to the following manner, firstly, by rotating the two groups of fixing seats 1 with the connecting plates 15, when the two groups of fixing seats 1 rotate, the movable plate 3 rotates around the rotating shaft 13, so that one ends, far away from the supporting plates 12, of the two groups of fixing seats 1 with the connecting plates 15 are mutually close, when one ends, far away from the supporting plates 12, of the two groups of fixing seats 1 with the connecting plates 15 are mutually attached, at the moment, the two connecting plates 15 are mutually contacted, and the two connecting plates 15 are fixedly connected through bolts, so that the fixed connection between the fixed bases 1 can be realized; then the control system opens the air supply device, and fills equal amount of air to all first air bags 2101 and second air bags 2102 respectively through first air valve pipe 2103 and second air valve pipe 2104, when the centre of a circle of fixing base 1 of the device is not on the same axis with the centre of a circle of a round pier, at this moment under the combined action of first air bags 2101 and second air bags 2102, the centre of a circle of fixing base 1 of the device is automatically centered to the same axis with the centre of a circle of the round pier, then fixing base 1 at the bottom of the pier is fixedly connected with a pier substrate through bolts, fixing base 1 at the top of the pier is fixedly connected with a bridge at the top of the pier through bolts, then the position of arc 2001 is adjusted through stepping motor 8, and the first air bags 2101 and second air bags 2102 keep equal preset pressure values.
When one of the arc plates 2001 is collided, the impact force presses the arc plate 2001, the arc plate 2001 presses the spring 23, the spring 23 is compressed, the arc plate 2001 moves towards the bridge pier, the arc plate 2001 presses the first air bag 2101 and the second air bag 2102 on the inner side wall of the arc plate 2001, the pressure values detected by the first air bag 2101 and the second air bag 2102 by the first air pressure sensor 10 and the second air pressure sensor 11 inside the first air bag 2101 and the second air bag 2102 are larger than preset pressure values, the preset pressure values can be set arbitrarily according to actual needs, when the pressure values detected by the first air pressure sensor 10 and/or the second air pressure sensor 11 on any group of clamping assemblies 20 are larger than the preset pressure values, the control system controls the stepping motor 8 corresponding to the other two groups of clamping assemblies 20 to start, the stepping motor 8 rotates and drives the adjusting screw 17 to rotate through the first gear 9 and the second gear 18, the adjusting screw 17 rotates to enable the meshing plate 19 meshed with the adjusting screw 17 to move towards the pier, the meshing plate 19 moves and pushes the moving plate 22 to approach towards the pier, the moving plate 22 pushes the arc plate 2001 to move towards the pier, the other two groups of arc plates 2001 press the first air bag 2101 and the second air bag 2102 on the inner side wall of the arc plate 2001, the pressure values detected by the first air pressure sensor 10 and the second air pressure sensor 11 in the other two groups of air bags 2101 and the second air bag 2102 are increased, when the pressure values detected by the first air pressure sensor 10 and the second air pressure sensor 11 in the other two groups of air bags 2101 and the second air bag 2102 are equal to the pressure values detected by the first air pressure sensor 10 and the second air pressure sensor 11 in the first air bag 2101 and the second air bag 2102 on the impacted side, the stepping motor 8 corresponding to the other two groups of clamping assemblies 20 stops rotating, the gas pressure in the first gas bag 2101 and the second gas bag 2102 of the other two groups is the same as the gas pressure in the first gas bag 2101 and the second gas bag 2102 on the impacted side, so that the stress on the periphery of the bridge pier is uniform, and the bridge pier deflection caused by overlarge stress on one side is avoided; when the pressure values detected by the first air pressure sensor 10 and the second air pressure sensor 11 in the first air bag 2101 and the second air bag 2102 on the impacted side are smaller than the pressure values detected by the first air pressure sensor 10 and the second air pressure sensor 11 in the first air bag 2101 and the second air bag 2102 on the other two groups, the control system controls the stepping motor 8 corresponding to the other two groups of clamping assemblies 20 to reversely rotate so as to restore the other two groups of clamping assemblies 20 to the initial positions when the installation is completed.
When the device is used for installing the round platform-shaped bridge pier, firstly, the two groups of fixing seats 1 with the connecting plates 15 are rotated, when the two groups of fixing seats 1 rotate, the movable plate 3 rotates around the rotating shaft 13, so that one ends, far away from the supporting plates 12, of the two groups of fixing seats 1 with the connecting plates 15 are mutually close, when one ends, far away from the supporting plates 12, of the two groups of fixing seats 1 with the connecting plates 15 are mutually attached, the two connecting plates 15 are mutually contacted, and the two connecting plates 15 are fixedly connected through bolts, so that the fixed connection between the fixing bases 1 can be realized; then the position of the fixing seat 1 is adjusted to enable the circle center of the fixing seat 1 to coincide with the axis of the circle center of the circular truncated cone-shaped pier, then the fixing seat 1 at the bottom of the pier is fixedly connected with the pier substrate through a bolt, the fixing seat 1 at the top of the pier is fixedly connected with a bridge at the top of the pier through a bolt, then the control system opens the air supply device, the first air inflation valve pipe 2103 and the second air inflation valve pipe 2104 are used for respectively filling equal amount of air into all the first air bags 2101 and the second air bags 2102, then the control system starts the stepping motor 8, the stepping motor 8 is controlled to rotate, the pressure values detected by the first air bags 2101 and the second air bags 2102 by controlling the stepping motor 8 are equal to preset pressure values, and when the pressure values detected by the first air pressure sensor 10 and the second air pressure sensor 11 are equal to the preset pressure values, the stepping motor 8 corresponding to the first air pressure sensor 10 and the second air pressure sensor 11 stops rotating and is locked, and the moving plate 22 is hinged with the bottom end of the arc 2001 can be differentially moved, and then the bridge 2001 is suitable for different piers.
When one of the arc plates 2001 is impacted, the impact force presses the arc plate 2001, the arc plate 2001 presses the spring 23, the spring 23 is compressed, the arc plate 2001 moves towards the pier, the arc plate 2001 presses the first air bag 2101 and the second air bag 2102 on the inner side wall of the arc plate 2001, the pressure values detected by the first air bag 2101 and the second air bag 2102 pressed by the first air pressure sensor 10 and the second air pressure sensor 11 inside the arc plate are larger than the preset pressure value, when the pressure value detected by the first air pressure sensor 10 and/or the second air pressure sensor 11 on any group of clamping assemblies 20 is larger than the preset pressure value, the control system controls the stepping motor 8 corresponding to the other two groups of clamping assemblies 20 to start, the stepping motor 8 rotates and drives the adjusting screw 17 to rotate through the first gear 9 and the second gear 18, the adjusting screw 17 rotates to enable the meshing plate 19 meshed with the adjusting screw 17 to move towards the pier, the meshing plate 19 moves and pushes the moving plate 22 to approach towards the pier, the moving plate 22 pushes the arc plate 2001 to move towards the pier, the other two groups of arc plates 2001 press the first air bag 2101 and the second air bag 2102 on the inner side wall of the arc plate 2001, the pressure values detected by the first air pressure sensor 10 and the second air pressure sensor 11 in the other two groups of air bags 2101 and the second air bag 2102 are increased, when the pressure values detected by the first air pressure sensor 10 and the second air pressure sensor 11 in the other two groups of air bags 2101 and the second air bag 2102 are equal to the pressure values detected by the first air pressure sensor 10 and the second air pressure sensor 11 in the first air bag 2101 and the second air bag 2102 on the impacted side, the stepping motor 8 corresponding to the other two groups of clamping assemblies 20 stops rotating, the gas pressure in the first gas bag 2101 and the second gas bag 2102 of the other two groups is the same as the gas pressure in the first gas bag 2101 and the second gas bag 2102 on the impacted side, so that the stress on the periphery of the bridge pier is uniform, and the bridge pier deflection caused by overlarge stress on one side is avoided; when the pressure values detected by the first air pressure sensor 10 and the second air pressure sensor 11 in the first air bag 2101 and the second air bag 2102 on the impacted side are smaller than the pressure values detected by the first air pressure sensor 10 and the second air pressure sensor 11 in the first air bag 2101 and the second air bag 2102 on the other two groups, the control system controls the stepping motor 8 corresponding to the other two groups of clamping assemblies 20 to reversely rotate so as to restore the other two groups of clamping assemblies 20 to the initial positions when the installation is completed.
According to the invention, through the mutual coordination among the clamping assembly 20, the protection assembly 21, the first air pressure sensor 10, the second air pressure sensor 11, the stepping motor 8 and the like, on one hand, the device can protect cylindrical piers with different sizes and round platform piers with different sizes by controlling the rotation steps of the stepping motor 8, and the adaptability of the device is improved; in the second aspect, when the pressure value detected by the first air pressure sensor 10 or/and the second air pressure sensor 11 on any one group of the clamping assemblies 20 is greater than the preset pressure value, the control system will control the stepper motors 8 corresponding to the other two groups of the clamping assemblies 20 to start, so that the air pressures in the first air bag 2101 and the second air bag 2102 of the other two groups are the same as the air pressures in the first air bag 2101 and the second air bag 2102 on the impacted side, so that the stress around the pier is uniform, the pier is prevented from being offset due to overlarge stress on one side, and the air bags deform to absorb the impact force, thereby realizing the protection of the pier.
Example 2:
to enhance the cushioning effect of the present device, the inventors have made the following improvements.
The first air bags 2101 of the three groups of protection components 21 are mutually communicated through air passages, the second air bags 2102 of the three groups of protection components 21 are mutually communicated through air passages, electromagnetic valves are arranged in the air passages of the three groups of first air bags 2101 and the three groups of second air bags 2102, a distance sensor is arranged on the movable plate 22, and the distance sensor is used for measuring the horizontal distance between the movable plate 22 and the inner side wall of the connecting groove 16, which is far away from one side of the round hole 4.
When the circular truncated cone-shaped bridge pier is protected, when one of the arc plates 2001 is impacted, the impact force presses the arc plate 2001, the arc plate 2001 presses the spring 23, the spring 23 is compressed, the arc plate 2001 moves towards the bridge pier, the arc plate 2001 presses the first air bag 2101 and the second air bag 2102 on the inner side wall of the arc plate 2001, the pressure values detected by the first air pressure sensor 10 and the second air bag 11 in the first air bag 2101 and the second air bag 2102 are pressed by the first air bag 2101 and the second air bag 2102 are larger than preset pressure values, when the pressure values detected by the first air pressure sensor 10 and/or the second air pressure sensor 11 on any group of clamping assemblies 20 are larger than preset pressure values, the control system firstly controls the electromagnetic valves in the air passages communicated with the three groups of the first air bags 2101 and the three groups of the second air bags 2102 to be opened, so that the three groups of the first air bags 2101 and the three groups of the second air bags 2102 are communicated, since the first air bag 2101 and the second air bag 2102 on the inner side wall of the arc plate 2001 on the pressed side are communicated with other air bags, the air of the first air bag 2101 and the second air bag 2102 on the inner side wall of the arc plate 2001 on the pressed side flows into other air bags, the volume is enlarged, the air pressure is reduced, the first air bag 2101 and the second air bag 2102 on the inner side wall of the arc plate 2001 on the pressed side are contracted, thereby increasing the moving amount of the arc plate 2001, increasing the buffering distance of the arc plate 2001, starting the stepping motor 8 corresponding to the other two groups of clamping assemblies 20 while opening the electromagnetic valve, the stepping motor 8 rotates and drives the adjusting screw 17 to rotate through the first gear 9 and the second gear 18, the adjusting screw 17 rotates to enable the meshing plate 19 meshed with the adjusting screw to move towards the pier, the meshing plate 19 moves and pushes the moving plate 22 to approach towards the pier, the distance between the moving plate 22 and the connecting groove 16 is reduced, the moving plate 22 pushes the arc plate 2001 to move towards the pier, as the electromagnetic valve is opened, the three groups of first air bags 2101 and the three groups of second air bags 2102 are communicated, the other two groups of arc plates 2001 extrude the first air bags 2101 and the second air bags 2102 on the inner side wall of the arc plate 2001, so that the air pressure in the three groups of first air bags 2101 and the three groups of second air bags 2102 is increased, the shock resistance of the first air bags 2101 and the second air bags 2102 on the inner side wall of the extruded side of the arc plate 2001 is enhanced, the buffering effect is improved, when the distance between the moving plate 22 detected by the other two groups of distance sensors and the connecting groove 16 is equal to the minimum distance between the moving plate 22 detected by the other two groups of distance sensors and the connecting groove 16, the other two groups of stepping motors 8 stop rotating and lock, through the air bags being communicated, the pier is not only uniformly stressed, but also the pier is prevented from being offset due to overlarge stress on one side, and meanwhile, the shock resistance of the air bags is increased by controlling the air bags on the other two sides, the shock resistance is improved, the buffering effect of the device is improved, and the pier is further protected.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The building pier protection frame based on the triangular positioning structure comprises clamping assemblies (20) which are arranged in an annular array, wherein each clamping assembly (20) comprises an arc-shaped plate (2001), a protection assembly (21) is arranged in each clamping assembly (20), and the top outer side wall and the bottom outer side wall of each arc-shaped plate (2001) are movably connected with a group of fixed seats (1) through moving plates (22); the number of the fixed seats (1) in each group is two; the opposite sides of the two fixing seats (1) are provided with connecting grooves (16); fixing holes for bolts to pass through are formed in the fixing seats (1), and first round holes (4) are formed in the two fixing seats (1);
the first round hole (4) is communicated with the connecting groove (16); the inner cavities of the connecting grooves (16) are all movably connected with adjusting screw rods (17), and the inner cavities of the connecting grooves (16) are provided with sliding rods (5); the sliding rod (5) is positioned at the upper part of the adjusting screw rod (17); one end of the adjusting screw (17) is rotationally connected with the inner wall of the connecting groove (16), the other end of the adjusting screw (17) extends out of the first round hole (4) and is rotationally connected with the first round hole (4), a meshing plate (19) is meshed with the surface of the adjusting screw (17), and a first gear (9) is fixedly arranged at one end of the adjusting screw (17) penetrating through and extending out of the first round hole (4); one end of the moving plate (22) is hinged with the arc-shaped plate (2001), the other end of the moving plate (22) is in sliding connection with the sliding rod (5), and a spring (23) is sleeved on the sliding rod (5) on one side, far away from the first round hole (4), of the moving plate (22) in a sliding manner; the meshing plate (19) is provided with a hole penetrating through the sliding rod (5), and the meshing plate (19) is positioned at one side of the moving plate (22) close to the first round hole (4); the first gears (9) are meshed with a second gear (18), and each second gear (18) is driven by a stepping motor (8); the stepping motors (8) are fixedly connected with the fixing seats (1);
the protection assembly (21) comprises a first air bag (2101) and a second air bag (2102), the first air bag (2101) is fixedly connected with the inner wall of the lower part of the arc-shaped plate (2001), the second air bag (2102) is fixedly connected with the inner wall of the upper part of the arc-shaped plate (2001), a first inflation valve pipe (2103) is arranged on the side part of the first air bag (2101), a second inflation valve pipe (2104) is arranged on the side part of the second air bag (2102), a first air pressure sensor (10) is arranged in the first air bag (2101), and a second air pressure sensor (11) is arranged in the second air bag (2102); when the pressure value detected by the first air pressure sensor (10) or/and the second air pressure sensor (11) on any group of clamping assemblies (20) is greater than a preset pressure value, the control system controls the stepping motors (8) corresponding to the other two groups of clamping assemblies (20) to be started, so that the air pressure in the first air bag (2101) and the second air bag (2102) of the other two groups is the same as the air pressure in the first air bag (2101) and the second air bag (2102) on the impacted side;
the number of the groups of the fixed seats (1) is three, wherein the left end and the right end of one group of the fixed seats (1) are fixedly provided with support plates (12), the side wall of the support plate (12) is fixedly provided with a rotating shaft (13), the surface of the rotating shaft (13) is fixedly provided with a clamping ring (14), the side walls of one ends, far away from the support plate (12), of the other two groups of the fixed seats (1) are fixedly provided with connecting plates (15), one ends, close to the support plate (12), of the other two groups of the fixed seats (1) are fixedly provided with extension plates (2), and the top surface of each extension plate (2) is fixedly provided with a movable plate (3); the movable plate (3) is movably sleeved on the rotating shaft (13);
a first electromagnet (6) is arranged on one side of the moving plate (22) close to the meshing plate (19), and a second electromagnet (7) is arranged on one side of the meshing plate (19) close to the moving plate (22);
the shape of the fixed seat (1) is fan-shaped, the shape of the movable plate (22) is L-shaped, and the length of the movable plate (22) in the horizontal direction is greater than the length from one side of the connecting groove (16) close to the first round hole (4) to the inner side wall of the fixed seat (1).
2. The building pier protecting frame based on the triangular positioning structure according to claim 1, wherein: the two clamping rings (14) are arranged, and the two clamping rings (14) are respectively positioned at the upper side and the lower side of the movable plate (3).
3. The building pier protecting frame based on the triangular positioning structure according to claim 1, wherein: round holes for bolts to pass through are formed in the connecting plates (15), and the connecting plates (15) are fixedly connected through bolts and nuts.
4. The building pier protecting frame based on the triangular positioning structure according to claim 1, wherein: the outer side wall of the clamping assembly (20) is provided with a metal net, the metal net is connected with the outer side wall of the arc plate (2001) through screws, and the outer side wall of the arc plate (2001) is provided with inclined mesh grooves.
5. The building pier protecting frame based on the triangular positioning structure according to claim 1, wherein: the first air bag (2101) and the second air bag (2102) are fixedly connected with the inner side wall of the arc-shaped plate (2001) through sticking buckles.
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| CN202110818958.1A CN113463501B (en) | 2021-07-20 | 2021-07-20 | Building pier protection frame based on triangle-shaped location structure |
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| CN202110818958.1A CN113463501B (en) | 2021-07-20 | 2021-07-20 | Building pier protection frame based on triangle-shaped location structure |
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| CN113463501B true CN113463501B (en) | 2023-07-21 |
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