CN112393983B - Semi-automatic, portable and non-destructive testing equipment and method for load-bearing capacity of mobile railings - Google Patents
Semi-automatic, portable and non-destructive testing equipment and method for load-bearing capacity of mobile railings Download PDFInfo
- Publication number
- CN112393983B CN112393983B CN202011338117.2A CN202011338117A CN112393983B CN 112393983 B CN112393983 B CN 112393983B CN 202011338117 A CN202011338117 A CN 202011338117A CN 112393983 B CN112393983 B CN 112393983B
- Authority
- CN
- China
- Prior art keywords
- base platform
- contact
- railing
- fixed
- detection
- 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.)
- Active
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
- G01N3/10—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces generated by pneumatic or hydraulic pressure
- G01N3/12—Pressure testing
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention provides a semi-automatic portable movable railing bearing capacity nondestructive testing device and a testing method, wherein the device comprises a base platform, a main support, an auxiliary support, a horizontal force loading device, a contact device and a data acquisition and processing device, the invention detects the height through a hydraulic oil cylinder control device, a servo hydraulic oil cylinder carries out horizontal force grading loading, the device is cooperated with the base, the auxiliary support, the contact and the data acquisition and processing device, so that the bearing capacity of a bridge sidewalk and a horizontal railing of a pedestrian overpass can be detected, the bearing capacity of a railing of the pedestrian overpass for going up and down stairs can be detected, single-point loading detection and two-point loading detection can be realized, the whole instrument is convenient to move, the influence on traffic is small, the structure is relatively simple, and semi-automatic detection can be realized.
Description
Technical Field
The invention belongs to the technical field of rail bearing capacity detection, and particularly relates to a device and a method for detecting horizontal thrust bearing capacity of a bridge pavement rail or a pedestrian overpass guardrail.
Background
Along with the rapid development of urban construction and road communication, more and more medium-sized bridges and pedestrian overpass construction are put into an urban road network, so that pedestrians can travel more conveniently. The construction of the sidewalk of the middle and small bridge and the urban pedestrian overpass has good traffic and social benefits for improving the vehicle circulation speed, realizing the diversion of the pedestrians and the vehicles, improving the urban walking quality and the like. Therefore, the safety conditions of the bridge pedestrian railing and the pedestrian overpass railing are correctly detected and evaluated, so that the pedestrian trip safety is ensured, and the safety detection method is very important to the improvement of social service quality.
At present, domestic bridge railing bearing capacity detection device is not much studied, on-site railing detection is carried out on a back heavy object (mostly heavy vehicles) as a back support counter force, traffic is influenced, movement is clumsy, and multi-person auxiliary cooperative work is needed, so that the efficiency is low. Meanwhile, the invention of a overpass railing detection device and a building railing detection device is invented by Beijing municipal research institute, hubei middle-scale building detection technology limited liability company and the like, and the railing detection mode is improved to a certain extent, but the defects are also overcome. Based on the current research and development situation of the railing detection device, considering various factors such as the applicability of the device, economy, high efficiency, convenient movement, traffic influence reduction and the like, it is necessary to invent a railing horizontal bearing capacity detection device which is more automatic, convenient to move and has little influence on traffic.
Disclosure of Invention
The invention discloses semi-automatic and portable nondestructive testing equipment and a testing method for the bearing capacity of a movable railing, which are used for solving the defects in the prior art.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
semi-automatic, portable removal railing bearing capacity nondestructive test equipment includes:
A base platform;
a main support fixedly mounted on the base platform;
the auxiliary support is connected with the main support and the base platform into a whole;
A horizontal force loading telescoping device vertically mounted at the telescoping end of the main support;
a contact device fixed to the telescopic head of the horizontal force loading telescopic device, the contact device being for contacting a rail;
The data acquisition and processing device comprises a displacement sensor and a pressure sensor, wherein the displacement sensor is fixed on the horizontal force loading telescopic device and used for detecting the displacement of the horizontal force loading telescopic device, and the pressure sensor is fixed on the contact device and used for detecting the bearing capacity of the railing.
As a further description of the above technical solution:
The base platform comprises a base platform, and the base platform is made of a steel plate integrally through holes.
As a further description of the above technical solution:
The utility model discloses a novel screw driver for a mobile phone, including base platform, base platform front end lower part rotatable be equipped with two preceding knot boards, base platform is equipped with the semi-automatic spherical controller of pull type that is used for controlling preceding knot board switch, preceding knot board rear portion has wedge stopper in base platform lower part welding, base platform rear end is equipped with two back supports, back supports and includes the universal chassis of bottom, the universal chassis upper end of bottom is fixed with rotatable screw pole, rotatable screw pole passes base platform, and all is equipped with its screw-thread fit's nut at base platform's upper and lower extreme.
As a further description of the above technical solution:
The utility model discloses a base platform, including base platform, steel pipe, base platform, movable handrail, wherein four hidden universal wheels are arranged at the lower part of the base platform, a through square hole is formed in the middle of the front end of the base platform, a pipe level bubble is embedded in the upper part of the rear end of the base platform, the movable handrail is arranged on the base platform and comprises a steel rod fixed with the base platform and a steel pipe handrail fixed at the upper end of the steel rod.
As a further description of the above technical solution:
The main support comprises a hydraulic oil cylinder, the lower end of the hydraulic oil cylinder is fixed on the base platform, and a connecting block is fixed on a telescopic rod at the upper end of the hydraulic oil cylinder.
As a further description of the above technical solution:
The auxiliary support comprises a rear auxiliary support and a front auxiliary support, the rear auxiliary support comprises three non-telescopic steel bars, the bottoms of the three non-telescopic steel bars are respectively provided with a slidable steel track groove and a slidable limiting block, the non-telescopic steel bars are hinged to a connecting block of the main support through connecting rings, the three non-telescopic steel bars are distributed at 45 degrees and 0 degrees and 45 degrees along the center of the main support on a base platform, the non-telescopic steel bars are hinged to the slidable steel track grooves through hook rings, the front auxiliary support comprises a supporting steel bar, one end of the supporting steel bar is connected to the main support through a detachable hook ring, and the other end of the supporting steel bar is connected with a fixed block of the base platform through the hook rings.
As a further description of the above technical solution:
the horizontal force loading telescopic device comprises a servo hydraulic oil cylinder, the rear end of the servo hydraulic oil cylinder can be fixed on the connecting block by screws, and the front end of a telescopic rod of the servo hydraulic oil cylinder is connected with a connector and an angle converter.
As a further description of the above technical solution:
The contact device comprises two high-strength bending-resistant steel plates, two fixed steel sleeve plates, connectors, a sliding rail, three contact blocks and three fixing rings, wherein the middle of each bending-resistant steel plate is grooved, the two ends of each fixed steel sleeve plate are fixed inside through screws, the sliding rail is fixed on the middle groove of each bending-resistant steel plate, the connectors are fixed at the middle of each fixed steel sleeve plate, the contact blocks at the middle are fixed on the connectors, the two ends of each contact block are arranged on the sliding rail, the contact blocks at the two ends of each contact block can slide on the sliding rail and can be fixed at detection positions, the bottoms of the contact blocks are fixed on the fixing rings, and the fixing rings can change along with the position change of the contact blocks.
As a further description of the above technical solution:
the data acquisition processing device further comprises a signal acquisition card, a laser level and a computer, wherein the signal acquisition card is used for collecting data of the pressure sensor and the displacement sensor and transmitting the data to the computer, the computer is used for collecting and processing the data, and the laser level is arranged on a connecting block of the main support and used for guiding the lifting oil cylinder to enable the contact block to horizontally align with the railing handrail.
According to the detection method of the semi-automatic portable movable railing bearing capacity nondestructive detection equipment, the detection method comprises the following steps:
step 1, leveling a base platform 1;
① And (3) single-point detection, namely screwing screws to remove two bending-resistant steel plates of the contact device, pushing handrails to enable the front end of the base platform to be inserted into the outer edge of a bridge pavement or a pavement slab of a pavement below the handrails, enabling the front hook plate to be integrally exposed, observing the position of an adjusting platform of the servo hydraulic cylinder, enabling a horizontal force loading telescopic device to be aligned with a detection point, then pulling two front hook plate spherical controllers to enable the front hook plate to be opened, pulling the handrails to enable the base platform to move backwards, enabling the front hook plate to be in contact with the outer edge of the pavement slab or the outer edge of the pavement slab, collecting hidden universal wheels, enabling a universal chassis supported at the rear place to be horizontally arranged on the pavement slab or the pavement slab, and finally adjusting the supporting height to enable tube level bubbles to be centered.
② Installing two bending-resistant steel plates of a fixed contact device, removing a middle contact block and a fixed ring, packing up a hidden universal wheel, integrally placing detection equipment at a detection position, enabling the front end of a base platform to be inserted into the outer edge of a bridge pavement or the outer edge of a pavement slab to enable a front hook plate to be integrally exposed, observing the position of the base platform to be adjusted by a servo hydraulic cylinder, enabling a horizontal force loading telescopic device to be aligned with a railing middle upright post, adjusting the positions of the two contact blocks, enabling the contact blocks to be aligned with the midpoint of the detection railing, pulling two front hook plate spherical controllers to enable the front hook plate to be opened, pulling the railing to enable the base platform to be moved backwards, enabling the front hook plate to contact the outer edge of the bridge pavement or the outer edge of the pavement slab to be horizontally placed on the pavement slab or the pavement slab, and adjusting the supporting height to enable a pipe level bubble to be centered;
step 2, detecting height adjustment;
Opening the laser level, loosening a slidable limiting block of the rear auxiliary support, starting a hydraulic cylinder by a computer, controlling the lifting height of the main support, enabling the laser point to be aligned with the middle part of the railing, stopping lifting of the main support, and finally fixing the rear auxiliary support slidable limiting block by screwing the limiting block and fixing a handle;
step3, adjusting a contact device;
and (3) single-point detection, namely opening the fixed ring, starting the horizontal servo hydraulic cylinder by a computer, stopping the extension of the cylinder after the contact block is contacted with the railing, finely adjusting the position of the contact block, and closing the fixed ring to enable the fixed ring to grip the railing.
The two-point detection comprises loosening the angle converter, rotating the contact device to be parallel to the railing, locking the angle converter, opening two fixing rings, starting a horizontal servo hydraulic cylinder controller by a computer, enabling two contact blocks to be in contact with the railing, stopping the extension of the cylinder, finely adjusting the positions of the contact blocks, aligning to detection points, closing the two fixing rings, and enabling the fixing rings to grip the railing;
step 4, connecting a data acquisition processing device;
connecting the displacement sensor and the pressure sensor to a signal acquisition card, connecting the signal acquisition card to a computer, and recording initial data;
step 5, detecting bearing capacity;
The computer controls the servo hydraulic cylinder to load, the loading force and the loading process are implemented according to B.3 section bearing capacity detection program in the Specification CJJ11-2011 (2019 edition) 10.0.7 and the building glass and metal guardrail JG/T342-2012;
and 6, after the detection is finished, the disassembly or the movement device is reversely operated according to the detection installation mode.
The invention has the following beneficial effects:
The invention detects the height through the hydraulic oil cylinder control device, the servo hydraulic oil cylinder carries out horizontal force grading loading, and the servo hydraulic oil cylinder cooperates with the base, the auxiliary support, the contact and the data acquisition and processing device, so that the bearing capacity of the horizontal railing of the bridge pavement and the pedestrian overpass can be detected, the bearing capacity of the railing of the pedestrian overpass for going up and down stairs can be detected, the single-point loading detection and the two-point loading detection can be carried out, the whole instrument is convenient to move, the traffic influence is small, the structure is relatively simple, and the semi-automatic detection can be realized.
Drawings
FIG. 1 is a schematic diagram of the overall structure of a semi-automatic, portable mobile rail load-bearing nondestructive testing apparatus of the present disclosure;
FIG. 2 is a schematic view of a base platform structure of the semi-automatic portable mobile rail bearing capacity nondestructive testing device disclosed by the invention;
FIG. 3 is a schematic view of the main support structure of the non-destructive testing apparatus for the bearing capacity of a semi-automatic and portable movable rail according to the present invention;
FIG. 4 is a schematic view of a secondary support structure of the disclosed semi-automatic, portable mobile rail load-bearing nondestructive testing apparatus;
FIG. 5 is a schematic diagram of the horizontal force loading telescoping device and the data acquisition processing device of the semi-automatic portable movable rail bearing capacity nondestructive testing equipment disclosed by the invention;
FIG. 6 is a schematic view of a contact device of the non-destructive testing apparatus for the bearing capacity of a semi-automatic and portable movable rail according to the present invention;
FIG. 7 is a schematic diagram of a spherical controller of a semi-automatic portable mobile rail load-bearing capacity nondestructive testing device of the present disclosure;
FIG. 8 is a schematic view of a wedge-shaped stopper structure of the non-destructive testing apparatus for the bearing capacity of a semi-automatic and portable movable rail according to the present invention;
fig. 9 is a schematic diagram of a stopper fixing handle in a secondary support structure of the nondestructive testing device for the bearing capacity of a semi-automatic and portable movable rail.
The device comprises a 1-base platform, a 1-1-front hook plate, a 1-2-spherical controller, a 1-2-1-pull head, a 1-2-2-pull rod, a 1-2-3-baffle, a 1-2-4 spring, a 1-2-5-spherical head, a 1-3-bottom universal chassis, a 1-4-nut, a 1-5-movable armrest, a 1-6-hidden universal wheel, a 1-8-pipe level bubble, a 1-9-wedge-shaped limiting block, a 2-main support, a 2-1-common hydraulic cylinder, a 2-2-connecting block, a 2-3-hook ring, a 2-4-hook ring, a 3-pair support, a 3-1-non-telescopic steel rod, a 3-2-support steel rod, a 3-3-track groove, a 3-4-slidable limiting block, a 3-5-connecting ring, a 3-6-fixing block, a 3-7-fixing block fixing handle, a 4-horizontal force loading telescopic device, a 4-1-servo hydraulic cylinder, a 4-2-angle converter, a 5-5-contact device, a 2-6-contact ring, a 1-6-contact ring sensor, a 1-6-contact ring, a 1-contact ring sensor, a 1-6-contact ring sensor and a sensor, a sensor and a sensor The system comprises a signal acquisition card, a 6-4-laser level gauge and a 6-5-computer.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. 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.
As shown in figure 1, the semi-automatic and portable movable railing bearing capacity nondestructive testing device comprises a base platform 1, a main support 2, an auxiliary support 3, a horizontal force loading telescopic device 4, a contact device 5 and a data acquisition processing device 6, wherein the main support 2 is fixedly arranged on the base platform 1, the auxiliary support 3 is hinged with the base platform 1 and the main support 2 respectively, the horizontal force loading telescopic device 4 is vertically arranged at the telescopic tail end of the main support 2, the contact device 5 is fixed on the telescopic head of the horizontal force loading telescopic device 4, the contact device 5 is used for contacting a railing, the data acquisition processing device 6 comprises a displacement sensor 6-1 and a pressure sensor 6-2, the displacement sensor 6-1 is fixed on the horizontal force loading telescopic device 4 and used for detecting the displacement of the horizontal force loading telescopic device, and the pressure sensor 6-2 is fixed on the contact device 5 and used for detecting the railing bearing capacity.
In this embodiment, the base platform 1 includes a base platform, which is made of a steel plate with an integral hole; the lower part of the front end of the base platform is rotatably provided with two front hook plates 1-1, the base platform is provided with a pull type semi-automatic spherical controller 1-2 for controlling the front hook plates 1-1 to be opened and closed, the pull type semi-automatic spherical controller 1-2 comprises a 1-2-1-pull head, a 1-2-2-pull rod, a 1-2-3-baffle, a 1-2-4 spring and a 1-2-5-spherical head, the front hook plates 1-1 enable the pull rod 1-2-2 to drive the spherical head 1-2-5 to move outwards to put down by pulling the pull head 1-2-1 of the semi-automatic spherical controller 1-2, the pull head 1-2-1 of the semiautomatic spherical controller is used as a screw cap structure and is fixed with the pull rod 1-2-2, the pull rod 1-2-2 and the spherical head 1-2-5 are welded into a whole, the baffle plate 1-2-3 is welded in the middle of a pore canal, the spring 1-2-4 is used as an elastic structure and has the function of applying elasticity in advance to enable the pulled rod body to rebound to the original position, the rear part of the front hook plate 1-1 is welded with a wedge-shaped limiting block 1-9 at the lower part of a base platform, the wedge-shaped limiting block 1-9 is used for preventing the front baffle plate 1-1 from bending backwards when working, the rear end of the base platform is provided with two rear supports, the rear supports comprise a bottom universal chassis 1-3, the screw rod is fixedly arranged at the upper end of the bottom end universal chassis 1-3, the screw rod penetrates through the base platform, nuts 1-4 in threaded fit with the screw rod are arranged at the upper end and the lower end of the base platform, four hidden universal wheels 1-6 are arranged at the lower part of the base platform, a through square hole 1-7 is formed in the middle of the front end of the base platform, a tube level bubble 1-8 is embedded in the upper part of the rear end of the base platform, and a movable handrail 1-5 is arranged on the base platform and comprises a steel rod fixed with the base platform and a steel tube handrail fixed at the upper end of the steel rod. When in field detection and installation, the platform is required to be horizontal, and all the components cooperate with each other to play a role of bearing the whole structure by the base as a foundation.
In this embodiment, the main support 2 includes a common hydraulic cylinder 2-1, the lower end of the common hydraulic cylinder 2-1 is fixed on the base platform, a telescopic rod at the upper end of the common hydraulic cylinder is fixed with a connecting block 2-2, a hole connected with the rear end of the horizontal force loading telescopic device 4 and a hole for fixing the laser level 6-4 are formed in the front of the connecting block 2-2, a hook ring 2-3 connected with the top of the rear auxiliary support is welded at the rear of the connecting block 2-2, and a hook ring 2-4 connected with the front auxiliary support is arranged at the lower part of the common hydraulic cylinder 2-1.
In this embodiment, the horizontal force loading telescoping device 4 includes a servo hydraulic cylinder 4-1, the rear end of the servo hydraulic cylinder 4-1 may be fixed on the connection block 2-2 by a screw, and the front end of a telescopic rod of the servo hydraulic cylinder 4-1 is connected with a connector and an angle converter 4-2, which are used to connect with the contact device 5 into a whole and can change angles, so that the bending steel plate 5-1 of the contact device is parallel to the detection railing.
In this embodiment, the contact device 5 includes two high-strength bending-resistant steel plates 5-1, two fixed steel sleeve plates 5-2, a connector 5-3, a sliding rail 5-4, three contact blocks 5-5 and three fixing rings 5-6, the middle portion of the bending-resistant steel plates 5-1 is slotted and can be fixed on the fixed steel sleeve plates 5-2 through screws, the sliding rail 5-4 is fixed on the middle slot of the bending-resistant steel plates 5-1, the connector 5-3 is fixed on the middle portion of the two fixed steel sleeve plates 5-2, the contact blocks 5-5 in the middle are fixed on the connector 5-3, the contact blocks 5-5 at two ends are slidably arranged on the sliding rail 5-4, the contact blocks 5-5 at two ends can be slidably arranged on the sliding rail and are fixed at detection positions, the fixing rings 5-6 fix the bottoms of the contact blocks 5-5, and the fixing rings 5-6 can be changed along with the position changes of the contact blocks 5-5.
In this embodiment, the data acquisition and processing device 6 further includes a signal acquisition card 6-3, a laser level 6-4 and a computer 6-5, wherein the signal acquisition card 6-3 is used for collecting data of the pressure sensor 6-2 and the displacement sensor 6-1 and transmitting the data to the computer 6-5, the computer 6-5 performs data collection and processing, and the laser level 6-4 is mounted on the connecting block 2-2 of the main support 2 and is used for guiding the lifting cylinder to horizontally align the contact block 5-5 with the railing handrail.
In this embodiment, the detection device further comprises an auxiliary support 3, the auxiliary support 3 comprises a rear auxiliary support and a front auxiliary support, the rear auxiliary support comprises three non-telescopic steel rods 3-1, the bottoms of the three non-telescopic steel rods 3-1 are respectively provided with a slidable steel track groove 3-3, a slidable limiting block 3-4 and a fixed block fixed handle 3-7, the fixed block fixed handle 3-7 is used for fixing the slidable limiting block 3-4 of the rear auxiliary support 3, the non-telescopic steel rods 3-1 are hinged with a connecting block 2-2 of the main support through a connecting ring 3-5, the three non-telescopic steel rods 3-1 are distributed in an angle of 45 degrees and an angle of 0-45 degrees along the center of the main support 2 on a base platform, the non-telescopic steel rods 3-1 are hinged with the slidable steel track groove 3-3 through a hook ring, one end of each supporting rod 3-2 is connected to the main support 2 through the hook ring, the other through the hook ring, and the other end of each supporting rod 3-2 is connected to the main support 2-2 through the hook ring, and the other is connected with the main support 2-2 through the hook ring, and the common supporting ring in a reverse direction, and the rear auxiliary support is prevented from being welded to the main support platform and the main support is fixed to the main support platform and the main support and the main support platform.
The detection method of the semi-automatic portable movable rail bearing capacity nondestructive detection equipment is applied to the bridge pavement rail and the pedestrian overpass horizontal rail bearing capacity nondestructive detection equipment, and comprises the following specific detection steps:
step 1, leveling a base platform 1;
① The single-point detection comprises the steps of screwing down two bending-resistant steel plates 5-1 of a contact device 5, pushing handrails 1-5 to enable the front end of a base platform to be inserted into the outer edge of a bridge pavement or a pavement slab of a pavement under the handrails to enable the front hook plate 1-1 to be integrally exposed, observing the position of a servo hydraulic cylinder 4-1 to adjust the platform to enable a horizontal force loading telescopic device 4 to be aligned with a detection point, then pulling two front hook plate spherical controllers 1-2 to enable the front hook plate 1-1 to be opened, pulling handrails to enable the base platform to be moved backwards, enabling the front hook plate 1-1 to be in contact with the outer edge of the pavement slab or the pavement slab of the pavement, retracting hidden universal wheels 1-6, enabling a universal chassis supported at the back to be horizontally placed on the pavement slab or the pavement slab, and finally adjusting the back supporting height to enable tube leveling bubbles 1-8 to be centered.
② Installing two bending-resistant steel plates 5-1 of a fixed contact device 5, removing a middle contact block 5-5 and a fixed ring 5-6, retracting a hidden universal wheel 1-6, integrally placing equipment at a detection position, enabling the front end of a base platform to be inserted into the outer edge of a bridge pavement or the outer edge of a pavement slab to enable the front hook plate 1-1 to be integrally exposed, observing the position of a servo hydraulic cylinder 4-1 to adjust the platform, enabling a horizontal force loading telescopic device 5 to be aligned with a railing middle upright post, adjusting the positions of the two contact blocks 5-5, enabling the contact blocks to be aligned with the midpoint of the detection railing, pulling two front hook plate spherical controllers to enable the front hook plate 1-1 to be opened, pulling handrails to enable the base platform to be moved backwards, enabling the front hook plate 1-1 to contact the outer edge of the bridge pavement or the outer edge of the pavement slab to be horizontally arranged on the pavement slab or the pavement slab to enable a rear-supported universal chassis 1-4 to be horizontally arranged on the pavement slab or the pavement slab to be horizontally exposed, and adjusting the height of the support to enable a pipe level bubble 1-8 to be centered;
The application range of the single-point detection and the two-point detection is that the single-point detection is preferably selected when the center distance of two adjacent railings exceeds 2 meters in terms of the current design, and the two-point detection is preferably selected when the distance is less than 2 meters, but the specific implementation method is required to be changed according to the actual device size and the detection environment.
Step 2, detecting height adjustment;
opening a laser level 6-4, loosening a rear auxiliary support slidable limiting block 3-4, starting a hydraulic cylinder 2-1 by a computer, controlling the lifting height of a main support 2, enabling a laser point to be aligned with the middle part of a railing, stopping lifting of the main support 2, and finally fixing a handle 3-7 by screwing a fixing block of the auxiliary support 3 so as to fix the rear auxiliary support 3 slidable limiting block 3-4;
step3, adjusting the contact device 5;
And (3) single-point detection, namely opening the fixed ring 5-6, starting the horizontal servo hydraulic cylinder 4-1 by a computer, enabling the contact block 5-5 to contact the railing, stopping the cylinder to extend, finely adjusting the position of the contact block 5-5, and closing the fixed ring 5-6 to enable the fixed ring to grip the railing.
Loosening the angle converter 4-2, rotating the contact device to be parallel to the railing, locking the angle converter 4-2, opening two fixing rings 5-6, starting a horizontal servo hydraulic cylinder controller by a computer, enabling the two contact blocks 5-5 to be in contact with the railing, stopping the cylinder to extend, finely adjusting the positions of the contact blocks 5-5, aligning the detection points, and closing the two fixing rings 5-6 to enable the fixing rings to grip the railing;
Step 4, connecting the displacement sensor 6-1 and the pressure sensor 6-2 to the signal acquisition card 6-3, connecting the signal acquisition card to the computer 6-5, and recording initial data;
The loading force and the loading process are controlled by a computer to be implemented according to B.3 section bearing force detection programs in the Specification CJJ11-2011 (2019 edition) 10.0.7 and the building glass and metal guardrail JG/T342-2012;
and 6, after the detection is finished, the disassembly or the movement device is reversely operated according to the detection installation mode.
This concrete embodiment is through assembling base platform, main support, auxiliary support, horizontal force loading telescoping device, contact device, data acquisition processing apparatus into whole work, and this check out test set not only can nondestructive test bridge pavement and pedestrian overpass horizontal railing bearing capacity, can detect the pedestrian overpass up and down stairs railing bearing capacity moreover to have the structure succinct, it is convenient to remove, the advantage little to the traffic influence during the detection.
It should be noted that the foregoing description is only a preferred embodiment of the present invention, and although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood that modifications, equivalents, improvements and modifications to the technical solution described in the foregoing embodiments may occur to those skilled in the art, and all modifications, equivalents, and improvements are intended to be included within the spirit and principle of the present invention.
Claims (1)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011338117.2A CN112393983B (en) | 2020-11-25 | 2020-11-25 | Semi-automatic, portable and non-destructive testing equipment and method for load-bearing capacity of mobile railings |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011338117.2A CN112393983B (en) | 2020-11-25 | 2020-11-25 | Semi-automatic, portable and non-destructive testing equipment and method for load-bearing capacity of mobile railings |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112393983A CN112393983A (en) | 2021-02-23 |
| CN112393983B true CN112393983B (en) | 2024-12-24 |
Family
ID=74607184
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011338117.2A Active CN112393983B (en) | 2020-11-25 | 2020-11-25 | Semi-automatic, portable and non-destructive testing equipment and method for load-bearing capacity of mobile railings |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112393983B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113203624A (en) * | 2021-03-25 | 2021-08-03 | 孙保金 | Thrust loading device for detecting quality of handrail |
| RU206096U1 (en) * | 2021-05-31 | 2021-08-23 | Открытое акционерное общество "Томская домостроительная компания" | Barrier testing device |
| CN114018142B (en) * | 2021-10-28 | 2024-01-23 | 中建八局浙江建设有限公司 | Terrace flatness detection device and terrace flatness detection method |
| CN114441152A (en) * | 2021-12-16 | 2022-05-06 | 湖南湘建智科工程技术有限公司 | Rail horizontal load resistance performance test device and application thereof |
| CN115507757B (en) * | 2022-11-23 | 2023-03-24 | 四川省亚通工程咨询有限公司 | Bridge state monitoring device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206038442U (en) * | 2016-09-21 | 2017-03-22 | 湖南中大建设工程检测技术有限公司 | On --spot load detection device of horizontal pushing force |
| CN110068505A (en) * | 2018-12-30 | 2019-07-30 | 常州华厦建设工程质量检测有限公司 | A kind of anti-horizontal loading on-site detecting device of guardrail and its application method |
| CN211576810U (en) * | 2019-12-30 | 2020-09-25 | 重庆华盛检测技术有限公司 | Nondestructive testing device for bearing capacity of handrail |
| CN213986011U (en) * | 2020-11-25 | 2021-08-17 | 成都理工大学 | Semi-automatic, portable mobile railing bearing capacity nondestructive testing equipment |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080276715A1 (en) * | 2007-04-30 | 2008-11-13 | Louis Tombazzi | Handrail testing device |
| CN102041776B (en) * | 2010-11-19 | 2012-08-01 | 吕彭民 | Intelligent and manual dual-purpose bridge detection vehicle |
| CN106442112B (en) * | 2016-11-03 | 2019-04-30 | 成都理工大学 | A cantilever bending test device for rock slab samples |
| CN108535007B (en) * | 2018-06-15 | 2024-04-02 | 中冶建筑研究总院有限公司 | Railing thrust simulation device |
| KR102033021B1 (en) * | 2018-09-12 | 2019-10-16 | 삼우엠텍(주) | Inclined stairway structure for approaching bridge inspection passage |
| CN208999091U (en) * | 2018-12-13 | 2019-06-18 | 重庆市建筑科学研究院 | Railing horizontal thrust experiment loading unit |
| CN211452825U (en) * | 2020-03-30 | 2020-09-08 | 健研检测集团有限公司 | Counterforce device for measuring horizontal outward bearing capacity of bridge guardrail |
-
2020
- 2020-11-25 CN CN202011338117.2A patent/CN112393983B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206038442U (en) * | 2016-09-21 | 2017-03-22 | 湖南中大建设工程检测技术有限公司 | On --spot load detection device of horizontal pushing force |
| CN110068505A (en) * | 2018-12-30 | 2019-07-30 | 常州华厦建设工程质量检测有限公司 | A kind of anti-horizontal loading on-site detecting device of guardrail and its application method |
| CN211576810U (en) * | 2019-12-30 | 2020-09-25 | 重庆华盛检测技术有限公司 | Nondestructive testing device for bearing capacity of handrail |
| CN213986011U (en) * | 2020-11-25 | 2021-08-17 | 成都理工大学 | Semi-automatic, portable mobile railing bearing capacity nondestructive testing equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112393983A (en) | 2021-02-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112393983A (en) | Semi-automatic portable movable railing bearing capacity nondestructive testing equipment and testing method | |
| CN212405273U (en) | Foundation pile detection device | |
| CN116025171A (en) | A construction method for positioning and installing super-long screws | |
| CN114775440A (en) | Highway bridge construction bent cap installation device and construction method thereof | |
| CN107905090B (en) | A kind of municipal bridge anti-seismic structure and construction method | |
| CN111766157A (en) | Anchored railing horizontal thrust detection device and implementation method | |
| CN215052138U (en) | Accurate positioner of adjustable festival section roof beam built-in fitting | |
| CN219410458U (en) | Asphalt paving auxiliary elevation control device | |
| CN109098217B (en) | An experimental device and method for researching the influence of plugging and pulling piles on adjacent pile cans on an offshore jack-up drilling platform | |
| CN204479572U (en) | The change slope formula soil loss monitoring test unit that a kind of pulley blocks controls | |
| CN213986011U (en) | Semi-automatic, portable mobile railing bearing capacity nondestructive testing equipment | |
| CN210071500U (en) | Detection apparatus for anti horizontal thrust of modular railing | |
| CN206503348U (en) | The support system of one discharge plate buckle type scaffold door opening position bracket | |
| CN212835007U (en) | A kind of low pier cantilever construction 0# block bracket preloading device | |
| CN201121294Y (en) | Hydraulic sliding device | |
| CN111424542A (en) | Bridge detection mechanism for civil engineering | |
| CN207779825U (en) | A kind of highway pavement anti-pressure ability detection device | |
| CN212835002U (en) | A sliding formwork device for cable-girder anchor blocks of cable-stayed bridges | |
| CN116989721A (en) | Highway guardrail measuring device and highway guardrail height and inclination measuring method | |
| CN211042971U (en) | Nondestructive testing device for bearing capacity of bridge railing | |
| CN204644892U (en) | A kind of bridge construction lift-up device | |
| CN219466104U (en) | a maintenance workbench | |
| CN110359489B (en) | A large prefabricated pipe gallery top-pushing construction structure | |
| CN211368386U (en) | Portable bridge check out test set | |
| CN221645559U (en) | A detection bracket for bridge safety management |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |