Intelligent regulation and control bridge girder erection machine

Abstract

The utility model discloses an intelligent regulation and control bridge girder erection machine which comprises a main frame, supporting legs, a crown block, a hydraulic system and an electric control system and further comprises a monitoring regulation module, the monitoring regulation module comprises a data acquisition module, a data processing module and an executing mechanism, and the output end of the data acquisition module is connected with the data processing module. The output end of the data processing module is connected with the electric control system, the output end of the electric control system is connected with the controlled end of the executing mechanism, the executing mechanism is used for being arranged on the main frame or the supporting leg or the crown block, the data acquisition module comprises a first levelness sensor, the first levelness sensor is used for being installed on a beam body to be erected, and the executing mechanism comprises a lifting appliance assembly. The lifting appliance assembly comprises a lifting appliance and a connecting unit, the connecting unit and the lifting appliance are connected through a connecting shaft, the leveling oil cylinder is used for driving the lifting appliance to rotate and level a beam body to be erected, and a first control valve is arranged at a first oil outlet of the hydraulic system. Intelligent monitoring and control of the bridge girder erection machine are achieved, and manual remote control operation is facilitated.

Description

Technical Field

[0001] The utility model relates to the field of bridge manufacturing and erection, in particular to an intelligent control bridge erection machine. Background Art

[0002] With the rapid development of the social economy and the accelerating pace of urbanization, the development of my country's road transportation industry has also received a strong boost. Regarding engineering construction, the number and scale of highway and railway projects in my country have increased significantly in recent years, and the complexity of highway and railway structures has also increased, placing higher demands on project quality. Therefore, how to effectively ensure construction safety and improve construction efficiency are key issues that require consideration during engineering construction. Bridge erection machines are a commonly used construction tool in engineering construction, and their application plays a vital role in reducing construction difficulty and improving construction quality. Therefore, to further improve construction quality, it is necessary to strengthen the scientific and effective application of bridge erection machines.

[0003] Chinese utility model patent publication number CN208537960U discloses a safety monitoring system for a bridge crane, comprising a monitoring host, a data acquisition module, a monitoring host connected to an alarm module, a first wireless communication module, a remote service center, a second wireless communication module, and a video monitoring module. The data acquisition module monitors in real time the crane's lifting capacity, main beam inclination, the longitudinal and lateral displacement of the overhead crane, the lifting height and lowering depth of the hoisting system, the longitudinal displacement and speed of the crane, the longitudinal displacement of the guide beam machine, the pressure on the outriggers, the verticality of the outriggers, wind speed, and position information. The wireless communication module transmits the received data, along with video footage of the operation process, to the remote service center, enabling timely issuance of warning instructions when a dangerous situation is detected. However, the aforementioned patent only monitors the relevant status of key positions of the bridge crane and cannot perform relevant operations based on the monitoring results. It is also unable to adjust the angle of the hoisting device during the lifting of the beam, which can easily affect the safety of the crane. Furthermore, the main frame, outriggers, and the lateral tracks on the outriggers cannot automatically adjust if they become skewed during operation. Therefore, in order to improve the construction efficiency and safety of bridge-building machines, the intelligence level of bridge-building machines should be improved. Utility Model Content

[0004] The purpose of the utility model is to overcome the shortcomings of the above-mentioned prior art, improve the intelligence level of the bridge-building machine, automatically monitor the lifting level, and automatically adjust it, so as to provide an intelligent control bridge-building machine.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] An intelligent control bridge erecting machine includes a main frame, outriggers, a crane, a hydraulic system and an electric control system. The main frame includes a main beam and a monitoring and adjustment module.

[0007] The monitoring and regulating module includes a data acquisition module, a data processing module and an actuator. The output end of the data acquisition module is connected to the data processing module, the output end of the data processing module is connected to the electric control system, and the output end of the electric control system is connected to the controlled end of the actuator. The actuator is set on the main frame, support legs or overhead crane.

[0008] The data acquisition module includes a first level sensor, which is used to be installed on the beam to be erected.

[0009] The actuator includes a sling assembly, which is used to sling the beam to be erected. The sling assembly includes a sling and a connecting unit. The connecting unit and the sling are connected by a connecting shaft. The connecting unit is hinged to the tail of the leveling cylinder through a first connecting part. The piston rod end of the leveling cylinder is hinged to the sling through a second connecting part. The leveling cylinder is used to drive the sling to rotate and level the beam to be erected.

[0010] The oil inlet of the leveling cylinder is connected to the first oil outlet of the hydraulic system, a first control valve is provided at the first oil outlet, the data processing module is connected to the output end of the first level sensor, and the first leveling signal output end of the electronic control system is connected to the controlled end of the first control valve.

[0011] The utility model realizes intelligent monitoring and control of the bridge erection machine, installs a first level sensor on the beam body to monitor the levelness, and adjusts the inclination of the sling by the leveling cylinder, thereby solving the problems of incorrect lifting angle and skew direction of the beam body.

[0012] Preferably, the data acquisition module further includes a second level sensor, which is arranged on the traverse track of the support leg.

[0013] The actuator also includes a jacking mechanism provided on the support legs, and the jacking mechanism includes a plurality of jacking cylinders provided on the transverse track, and the jacking cylinders are used to level the transverse track by telescoping.

[0014] The oil inlet of the lifting cylinder is connected to the second oil outlet of the hydraulic system, a second control valve is provided at the second oil outlet, the data processing module is connected to the output end of the second level sensor, and the second leveling signal output end of the electronic control system is connected to the controlled end of the second control valve.

[0015] By installing a second level sensor on the transverse track, the level of the transverse track is monitored, and the jacking mechanism is controlled to adjust the level of the transverse track.

[0016] Preferably, the data acquisition module further includes a distance measuring sensor, which is provided on the piston rod of the plug-in / pull-out oil cylinder and is used to detect the distance of the piston rod's extension and retraction.

[0017] The actuator also includes a leg telescopic mechanism, which includes a column outer sleeve and a column inner sleeve, the column outer sleeve and the column inner sleeve are connected by a pin, and the pin is connected to the end of the piston rod of the plug-in oil cylinder.

[0018] The oil inlet of the plug-in / plug-out oil cylinder is connected to the third oil outlet of the hydraulic system, a third control valve is provided at the third oil outlet, the data processing module is connected to the output end of the distance measuring sensor, and the plug-in / plug-out signal output end of the electronic control system is connected to the controlled end of the third control valve.

[0019] The distance the piston rod is extended and retracted is detected by a distance measuring sensor, thereby determining the horizontal position of the pin and confirming whether the pin is inserted or pulled out in place.

[0020] Preferably, the data acquisition module further includes a positioning base station and a positioning antenna. The positioning base station and the positioning antenna use wireless communication. The positioning antenna is installed on the overhead crane and is used to collect the position information of the overhead crane. The actuator further includes an overhead crane control module.

[0021] The data processing module is connected to the output end of the positioning antenna, the position adjustment signal output end of the electric control system is connected to the input end of the overhead crane control module, and the overhead crane control module is used to adjust the position of the overhead crane.

[0022] The positioning information of the overhead crane is collected in real time through a positioning antenna, and the position of the overhead crane is adjusted through an electric control system or a remote control terminal.

[0023] Preferably, the output end of the electric control system is connected to a remote control terminal, and the remote control terminal is wirelessly connected to the input end of the overhead crane control module.

[0024] Preferably, the data acquisition module also includes a stress strain gauge and a height difference sensor, and multiple stress strain gauges and height difference sensors are arranged in the longitudinal direction of the main frame, and the output end of each stress strain gauge and height difference sensor is connected to the data processing module.

[0025] Preferably, the data acquisition module also includes a verticality sensor, which is arranged on the support leg. The output end of the verticality sensor is connected to the data transmission module. The electronic control system is also connected to the controlled end of the pushing mechanism. The pushing mechanism is arranged at the hinge between the support leg and the main beam, and the pushing mechanism is used to push the main beam to move longitudinally.

[0026] By setting stress and strain gauges on the main frame, the stress value of the main frame is monitored, and an alarm signal is issued when the stress exceeds the threshold; by setting height difference sensors on the main frame, the overall longitudinal slope deviation of the main beam in any state is monitored, and an alarm is issued when it exceeds the design threshold. The height of the outriggers is adjusted by controlling the plug-in and pull-out cylinders to adjust the horizontality of the main beam; the longitudinal position of the main beam is adjusted by controlling the pushing mechanism to adjust the verticality of the outriggers.

[0027] Preferably, an alarm module is further included, the alarm module includes a buzzer and a signal indicator light, and the electronic control system is connected to the buzzer and the signal indicator light respectively.

[0028] Preferably, the data processing module includes a signal conditioning circuit, an A / D conversion circuit, a microprocessor and a D / A conversion circuit connected in sequence, the input end of the signal conditioning circuit is connected to the output end of the data acquisition module, and the output end of the D / A conversion circuit is connected to the input end of the electronic control system.

[0029] The utility model realizes the intelligent monitoring and control of the bridge erection machine, facilitates manual remote control operation, adopts automation technology to replace personnel in dangerous work positions, can reduce the labor intensity of workers, improve work efficiency, reduce labor, and improve safety of use. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] The present invention is described in further detail below with reference to the accompanying drawings:

[0031] Figure 1 This is a schematic diagram of the installation of the utility model;

[0032] Figure 2 It is a schematic diagram of the principle of the utility model;

[0033] Figure 3 It is a structural diagram of the sling assembly of the utility model;

[0034] Figure 4 It is a structural schematic diagram of the transverse track of the utility model;

[0035] Figure 5 This is a structural diagram of the leg telescopic mechanism of the utility model;

[0036] Figure 6 It is a principle block diagram of the data processing module of the utility model.

[0037] Explanation of the accompanying reference numerals: 1. Main frame, 2. Support legs, 3. Overhead crane, 4. Hydraulic system, 5. Electronic control system, 6. Monitoring and adjustment module, 611. Leveling cylinder, 612. Connecting unit, 613. Spreader, 621. Second level sensor, 622. Transverse track, 623. Lifting cylinder, 631. Distance measuring sensor, 632. Plug-in cylinder, 633. Column outer sleeve, 634. Column inner sleeve, 635. Pin shaft. DETAILED DESCRIPTION

[0038] like Figure 1-6 As shown, the utility model provides an intelligent control bridge erection machine, including a main frame 1, outriggers 2, overhead crane 3, hydraulic system 4 and electronic control system 5. The main frame 1 includes a main beam and a monitoring and adjustment module 6. The monitoring and adjustment module 6 includes a data acquisition module, a data processing module and an actuator. The output end of the data acquisition module is connected to the data processing module, the output end of the data processing module is connected to the electronic control system 5, and the output end of the electronic control system 5 is connected to the controlled end of the actuator. The actuator is set on the main frame 1, outriggers 2 or overhead crane 3; the data acquisition module includes a first level sensor, which is used to be installed on the beam to be erected; the actuator includes a sling 613 component, which is used to sling the beam to be erected, and the sling 613 component includes a sling 613 and a connecting unit 61 2. The connecting unit 612 and the sling 613 are connected by a connecting shaft. The connecting unit 612 is hinged to the tail of the leveling cylinder 611 via a first connecting portion. The piston rod end of the leveling cylinder 611 is hinged to the sling 613 via a second connecting portion. The leveling cylinder 611 is used to drive the sling 613 to rotate and level the beam to be erected. The oil inlet of the leveling cylinder 611 is connected to the first oil outlet of the hydraulic system 4. A first control valve is provided at the first oil outlet. The data processing module is connected to the output end of the first level sensor. The first leveling signal output end of the electronic control system 5 is connected to the controlled end of the first control valve. In this embodiment, the electronic control system is an existing technology for bridge erection machines and will not be described in detail here.

[0039] The utility model realizes intelligent monitoring and control of the bridge erection machine by installing a first level sensor on the beam body to monitor the levelness and adjusting the inclination of the sling 613 through the leveling cylinder 611 to solve the problems of incorrect lifting angle and skew direction of the beam body.

[0040] In this embodiment, the data acquisition module also includes a second level sensor 621, which is arranged on the transverse track 622 of the support leg 2; the actuator also includes a jacking mechanism arranged on the support leg 2, and the jacking mechanism includes a plurality of jacking cylinders 623 arranged on the transverse track 622, and the jacking cylinders 623 are used to level the transverse track 622 by telescoping; the oil inlet of the jacking cylinder 623 is connected to the second oil outlet of the hydraulic system 4, and a second control valve is provided at the second oil outlet, the data processing module is connected to the output end of the second level sensor 621, and the second leveling signal output end of the electronic control system 5 is connected to the controlled end of the second control valve.

[0041] By installing a second levelness sensor 621 on the transverse rail 622 , the levelness of the transverse rail 622 is monitored, and the jacking mechanism is controlled to adjust the levelness of the transverse rail 622 .

[0042] In this embodiment, the data acquisition module also includes a distance measuring sensor 631, which is arranged on the piston rod of the plug-in cylinder 632, and the distance measuring sensor 631 is used to detect the distance of the piston rod extension and retraction; the actuator also includes a leg extension and retraction mechanism, which includes a column outer sleeve 633 and a column inner sleeve 634, and the column outer sleeve 633 and the column inner sleeve 634 are connected by a pin shaft 635, and the pin shaft 635 is connected to the piston rod end of the plug-in cylinder 632; the oil inlet of the plug-in cylinder 632 is connected to the third oil outlet of the hydraulic system 4, and a third control valve is provided at the third oil outlet. The data processing module is connected to the output end of the distance measuring sensor 631, and the plug-in signal output end of the electronic control system 5 is connected to the controlled end of the third control valve.

[0043] The distance that the piston rod is extended and retracted is detected by the distance measuring sensor 631, thereby determining the horizontal position of the pin 635 and confirming that the pin 635 is inserted or pulled out in place.

[0044] In this embodiment, the data acquisition module also includes a positioning base station and a positioning antenna. The positioning base station and the positioning antenna use wireless communication. The positioning antenna is installed on the overhead crane 3 and is used to collect the position information of the overhead crane 3. The actuator also includes an overhead crane control module; the data processing module is connected to the output end of the positioning antenna, and the position adjustment signal output end of the electronic control system 5 is connected to the input end of the overhead crane control module. The overhead crane control module is used to adjust the position of the overhead crane 3.

[0045] In this embodiment, the output end of the electric control system 5 is connected to the remote control terminal, and the remote control terminal is wirelessly connected to the input end of the overhead crane control module.

[0046] The positioning information of the overhead crane 3 is collected in real time through the positioning antenna, and the position of the overhead crane 3 is adjusted through the electric control system 5 or the remote control terminal.

[0047] In this embodiment, the data acquisition module also includes a stress strain gauge and a height difference sensor. Multiple stress strain gauges and height difference sensors are arranged in the longitudinal direction of the main frame, and the output end of each stress strain gauge and height difference sensor is connected to the data processing module.

[0048] In this embodiment, the data acquisition module also includes a verticality sensor, which is arranged on the support leg 2. The output end of the verticality sensor is connected to the data processing module. The electronic control system 5 is also connected to the controlled end of the pushing mechanism. The pushing mechanism is arranged at the hinge between the support leg 2 and the main beam. The pushing mechanism is used to push the main beam to move longitudinally.

[0049] By setting a stress strain gauge on the main frame 1, the stress value of the main frame 1 is monitored, and an alarm signal is issued when the stress exceeds the threshold; by setting a height difference sensor on the main frame 1, the overall longitudinal slope deviation of the main beam in any state is monitored, and an alarm is issued when it exceeds the designed threshold. The height of the support leg 2 is adjusted by controlling the plug-in and pull-out cylinders to adjust the horizontality of the main beam; the longitudinal position of the main beam is adjusted by controlling the pushing mechanism to adjust the verticality of the support leg 2;

[0050] This embodiment also includes an alarm module, which includes a buzzer and a signal indicator light. The electronic control system 5 is connected to the buzzer and signal indicator light, respectively. In this embodiment, the data processing module includes a signal conditioning circuit, an A / D conversion circuit, a microprocessor, and a D / A conversion circuit, which are connected in sequence. The input of the signal conditioning circuit is connected to the output of the data acquisition module, and the output of the D / A conversion circuit is connected to the input of the electronic control system. The data collected by the data acquisition module is conditioned by the signal conditioning circuit and then converted into a digital signal by the A / D conversion circuit. The microprocessor processes the digital signal and outputs an actuator control signal. This signal is converted by the D / A conversion circuit and then output to the electronic control system, which controls the actuator to perform the corresponding action.

[0051] During specific use, the present invention is as follows: the first level sensor of the data acquisition module is installed on the beam to be erected to monitor its levelness; the second level sensor 621 is installed on the transverse track 622 of the leg 2 to monitor its levelness; the distance sensor 631 is installed on the piston rod of the plug-in / extraction cylinder 632 to monitor the horizontal position of the pin 635; the positioning antenna is installed on the overhead crane 3 to monitor its position; the stress and strain gauge and height difference sensor are both installed on the main frame 1 to monitor the stress and height of the main frame 1; the verticality sensor is installed on the leg 2 to monitor the verticality of the leg 2. The data collected by the data acquisition module is processed by the data processing module for signal conditioning and conversion, and then output to the electronic control system 5. The electronic control system 5 then outputs a control signal to control the actuator to perform the corresponding action. Specifically, the electronic control system 5 controls the opening or closing of the first control valve, thereby extending and retracting the leveling cylinder 611, driving the sling 613 to rotate, and thereby adjusting the angle of the sling 613. The electronic control system 5 controls the opening or closing of the second control valve, causing the lifting cylinder 623 to extend or retract, adjusting the height of the transverse track 622 at its location and thereby leveling the transverse track 622. The distance sensor 631 detects the distance the piston rod extends or retracts to determine the horizontal position of the pin 635. The electronic control system 5 controls the opening or closing of the third control valve, causing the extension and retraction of the plug-in cylinder 632 to control the insertion and removal of the pin 635. When the positioning antenna detects that the position of the overhead crane 3 is outside the safe range, the electronic control system 5 controls the movement of the overhead crane 3 to adjust its position. When the stress and strain gauges detect that the stress threshold of the main frame 1 has been exceeded, the alarm module sounds an alarm. When the height difference sensor detects that the height of the main frame 1 has exceeded the threshold, the electronic control system 5 controls the automatic insertion and removal of the outrigger 2 to adjust its height, thereby adjusting the height of the main frame 1. When the verticality sensor detects that the verticality of the outrigger 2 has exceeded the threshold, the electronic control system 5 controls the propulsion mechanism to move the main beam longitudinally, adjusting the verticality of the outrigger 2.

[0052] The utility model realizes the intelligent monitoring and control of the bridge erection machine, facilitates manual remote control operation, adopts automation technology to replace personnel in dangerous work positions, can reduce the labor intensity of workers, improve work efficiency, reduce labor, and improve safety of use.

[0053] The above are merely preferred embodiments of the present invention, but the scope of protection of the present invention is not limited thereto. Any changes or substitutions that can be easily conceived by a person skilled in the art within the technical scope disclosed in the present invention should be included in the scope of protection of the present invention. Therefore, the scope of protection of the present invention should be based on the scope of protection defined by the claims.

Claims

1. An intelligent control bridge erecting machine, comprising a main frame, outriggers, a crane, a hydraulic system and an electronic control system, wherein the main frame comprises a main beam, and is characterized in that: It also includes a monitoring and adjustment module, which includes a data acquisition module, a data processing module and an actuator. The output end of the data acquisition module is connected to the data processing module, the output end of the data processing module is connected to the electric control system, the output end of the electric control system is connected to the controlled end of the actuator, and the actuator is set on the main frame, support legs or overhead crane; the data acquisition module includes a first level sensor, which is used to be installed on the beam to be erected; the actuator includes a sling assembly, which is used to sling the beam to be erected, and the sling assembly is used to sling the beam to be erected. The tool assembly includes a sling and a connecting unit, the connecting unit and the sling are connected by a connecting shaft, the connecting unit is hinged to the tail of the leveling cylinder through a first connecting part, the piston rod end of the leveling cylinder is hinged to the sling through a second connecting part, and the leveling cylinder is used to drive the sling to rotate and level the beam to be erected; the oil inlet of the leveling cylinder is connected to the first oil outlet of the hydraulic system, a first control valve is provided at the first oil outlet, the data processing module is connected to the output end of the first level sensor, and the first leveling signal output end of the electronic control system is connected to the controlled end of the first control valve.

2. The intelligent control bridge erecting machine according to claim 1 is characterized in that: The data acquisition module also includes a second level sensor, which is arranged on the transverse track of the support leg. The actuator also includes a jacking mechanism arranged on the support leg. The jacking mechanism includes a plurality of jacking cylinders arranged on the transverse track. The jacking cylinders are used to level the transverse track by telescoping. The oil inlet of the jacking cylinder is connected to the second oil outlet of the hydraulic system. A second control valve is provided at the second oil outlet. The data processing module is connected to the output end of the second level sensor, and the second leveling signal output end of the electronic control system is connected to the controlled end of the second control valve.

3. The intelligent control bridge erecting machine according to claim 1 is characterized in that: The data acquisition module also includes a distance measuring sensor, which is arranged on the piston rod of the plug-in cylinder. The distance measuring sensor is used to detect the distance of the piston rod extension and retraction. The actuator also includes a leg extension and retraction mechanism, which includes a column outer sleeve and a column inner sleeve. The column outer sleeve and the column inner sleeve are connected by a pin shaft, and the pin shaft is connected to the end of the piston rod of the plug-in cylinder. The oil inlet of the plug-in cylinder is connected to the third oil outlet of the hydraulic system. A third control valve is provided at the third oil outlet. The data processing module is connected to the output end of the distance measuring sensor, and the plug-in signal output end of the electronic control system is connected to the controlled end of the third control valve.

4. The intelligent control bridge erecting machine according to claim 1, characterized in that: The data acquisition module also includes a positioning base station and a positioning antenna. The positioning base station and the positioning antenna use wireless communication. The positioning antenna is installed on the overhead crane and is used to collect the position information of the overhead crane. The actuator also includes an overhead crane control module. The data processing module is connected to the output end of the positioning antenna. The position adjustment signal output end of the electronic control system is connected to the input end of the overhead crane control module. The overhead crane control module is used to adjust the position of the overhead crane.

5. The intelligent control bridge erecting machine according to claim 4 is characterized in that: The output end of the electric control system is connected to a remote control terminal, and the remote control terminal is wirelessly connected to the input end of the overhead crane control module.

6. The intelligent control bridge erection machine according to claim 3, characterized in that: The data acquisition module also includes a stress strain gauge and a height difference sensor. Multiple stress strain gauges and height difference sensors are arranged in the longitudinal direction of the main frame, and the output end of each stress strain gauge and height difference sensor is connected to the data processing module.

7. The intelligent control bridge erecting machine according to claim 1, characterized in that: The data acquisition module also includes a verticality sensor, which is arranged on the support leg. The output end of the verticality sensor is connected to the data transmission module. The electronic control system is also connected to the controlled end of the pushing mechanism. The pushing mechanism is arranged at the hinge between the support leg and the main beam. The pushing mechanism is used to push the main beam to move longitudinally.

8. The intelligent control bridge erecting machine according to claim 1, characterized in that: It also includes an alarm module, which includes a buzzer and a signal indicator light. The electronic control system is connected to the buzzer and the signal indicator light respectively.

9. The intelligent control bridge erecting machine according to claim 1, characterized in that: The data processing module includes a signal conditioning circuit, an A / D conversion circuit, a microprocessor and a D / A conversion circuit connected in sequence. The input end of the signal conditioning circuit is connected to the output end of the data acquisition module, and the output end of the D / A conversion circuit is connected to the input end of the electronic control system.

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