Dragging device suitable for pushing steel truss girder

Abstract

The utility model discloses a dragging device suitable for steel truss girder pushing, which belongs to the technical field of steel truss girder pushing and comprises a base and a PLC (programmable logic controller). The steel truss girder pushing device is novel in design and ingenious, the pushing efficiency and quality of a steel truss girder are remarkably improved by simplifying the structure, optimizing the operation mode and improving the automation degree, the stability, applicability and accuracy of the device are ensured by adopting the design of an adjustable base, double-air-cylinder parallel driving, an accurate control system and the like, and the device is suitable for popularization and application. The safety and the reliability of the device are further improved by adding monitoring equipment and replacing key parts, the height and the levelness of the base can be adjusted according to the actual conditions of different construction sites by arranging the lifting mechanism and the height adjusting mechanism and adopting the adjustable base, the stability and the applicability of the device are ensured, and meanwhile the safety and the reliability of the device are improved. And a plurality of positioning holes are formed in the base, so that connection and fixation with the steel truss girder are facilitated, and the practicability of the device is greatly improved.

Description

Technical Field

[0001] The present application relates to the technical field of steel truss girder incremental launching technology, and particularly relates to a towing device suitable for steel truss girder incremental launching. Background Art

[0002] In the construction of steel truss girders, incremental launching technology is an important construction method. However, traditional incremental launching devices often have problems such as complex structures, inconvenient operation, and low incremental launching efficiency. Therefore, how to simplify the structure of the incremental launching device, improve operation convenience and incremental launching efficiency has become an urgent problem to be solved in this field.

[0003] At present, there are some steel truss girder incremental launching devices on the market. They usually adopt complex mechanical structures and achieve incremental launching through the coordinated action of multiple hydraulic cylinders or air cylinders. However, these devices not only have complex structures, high maintenance costs, but also have cumbersome operation processes, and the incremental launching efficiency is limited. Thus, traditional steel truss girder incremental launching devices have problems such as complex structures, inconvenient operation, and high maintenance costs, seriously affecting the construction efficiency and quality of steel truss girders.

[0004] Therefore, the present application proposes a towing device suitable for steel truss girder incremental launching. Utility Model Content

[0005] A towing device suitable for steel truss girder incremental launching proposed by the present application is to solve the problems raised in the above background art; by simplifying the structure, optimizing the operation mode and improving the degree of automation, the incremental launching efficiency and quality of steel truss girders are significantly improved. Through designs such as an adjustable base, dual-cylinder parallel drive, and a precise control system, the stability, applicability, and precision of the device are ensured. By adding monitoring equipment and replacing key components, etc., the safety and reliability of the device are further improved. By setting up a lifting mechanism and a height adjustment mechanism, and adopting an adjustable base, the height and levelness of the base can be adjusted according to the actual situation of different construction sites, ensuring the stability and applicability of the device. At the same time, multiple positioning holes are opened on the base, facilitating the connection and fixation with the steel truss girder, greatly enhancing the practicability of the device.

[0006] In order to achieve the above object, the present application adopts the following technical solutions:

[0007] A towing device suitable for steel truss girder incremental launching includes a base and a PLC controller. Two limiting grooves are opened inside the base. Multiple groups of positioning holes are opened inside the base and on the side far from the two limiting grooves. A jacking mechanism is arranged on the top of the base. The jacking mechanism includes a cylinder and a push plate. Both cylinders are fixedly connected inside the base, and both cylinders are electrically connected to the PLC controller. The telescopic ends of the two cylinders are fixedly connected with a push plate, and the push plate is slidably connected to the top of the base through the limiting grooves.

[0008] As a preferred embodiment, a clamping mechanism is provided on the top of the base. The clamping mechanism includes clamping jaws, and the clamping jaws are fixedly connected to the side of the push plate away from the cylinder, and the clamping jaws are electrically connected to the PLC controller;

[0009] By providing the clamping mechanism and the PLC controller controlling the gripping force of the clamping jaws, the steel truss beam can be firmly clamped, ensuring the stability of the jacking process, thereby improving the practicability of the device.

[0010] As a preferred embodiment, a first monitoring mechanism is provided inside the telescopic ends of both cylinders. The first monitoring mechanism includes displacement sensors. Both displacement sensors are provided inside the telescopic ends of the cylinders, and both displacement sensors are electrically connected to the PLC controller;

[0011] By providing displacement sensors inside the telescopic ends of the cylinders to monitor the displacement data during the jacking process in real time and performing precise control through the PLC controller, the accuracy and stability of the jacking are ensured, thereby improving the practicability of the device.

[0012] As a preferred embodiment, a second monitoring mechanism is provided inside the clamping jaws. The second monitoring mechanism includes a pressure sensor. The pressure sensor is provided inside the clamping jaws, and the pressure sensor is electrically connected to the PLC controller;

[0013] By adding a pressure sensor to the clamping mechanism to monitor the magnitude of the clamping force in real time, when the clamping force is lower than the set value, the PLC controller will automatically adjust the clamping force of the clamping jaws to ensure the stability and safety of the steel truss beam during the jacking process, thereby improving the practicability of the device.

[0014] As a preferred embodiment, a lifting mechanism is fixedly connected to the bottom of the base. The lifting mechanism includes support cylinders and lifting rods. Each lifting rod is slidably connected inside the support cylinder. The top of each lifting rod is fixedly connected to the bottom of the base, and a fixing frame is fixedly connected between each support cylinder;

[0015] By providing the lifting mechanism and adopting an adjustable base, the height of the base can be adjusted according to the actual conditions of different construction sites to ensure the stability and applicability of the device, thereby improving the practicability of the device.

[0016] As a preferred embodiment, a height adjustment mechanism is provided inside the fixing frame. The height adjustment mechanism includes a rotating shaft and multiple sets of pulleys. The rotating shaft is rotatably connected inside the fixing frame. Each set of pulleys includes a main pulley and a driven pulley. Each main pulley is fixedly connected to the outside of the rotating shaft and is located inside the fixing frame. A plurality of connecting shafts are rotatably connected inside the fixing frame. A driven pulley is fixedly connected to the outside of each connecting shaft and is located inside the fixing frame. The driven pulley and the main pulley are connected by a belt drive. A fixed gear is fixedly connected to the outside of each connecting shaft and on one side of the driven pulley. A tooth groove is formed inside each lifting rod, and each gear is meshed with the tooth groove. A servo motor is fixedly connected to the outside of the fixing frame, and an output end of the servo motor extends into the fixing frame and is fixedly connected to one end of the rotating shaft. The servo motor is electrically connected to the PLC controller;

[0017] By setting the height adjustment mechanism, not only can the stability of the base during lifting be ensured, but also the levelness of the base during the lifting process can be ensured, thereby improving the practicability of the device.

[0018] As a preferred embodiment, a monitoring mechanism is fixedly connected to the outside of the base. The monitoring mechanism includes a fixing plate. The fixing plate is fixedly connected to the outside of the base. A camera is fixedly connected to the outside of the fixing plate and above the base. An infrared sensor is provided inside the camera, and both the camera and the infrared sensor are electrically connected to the PLC controller;

[0019] By setting a camera and an infrared sensor on the device, the situation during the jacking process is monitored in real time, and abnormal situations can be discovered and processed in time, thereby improving the practicability of the device.

[0020] Advantages of the present application:

[0021] 1. The dragging device applicable to the jacking of steel truss girders significantly improves the jacking efficiency and quality of the steel truss girder by simplifying the structure, optimizing the operation mode and improving the degree of automation. By adopting designs such as an adjustable base, parallel driving of double cylinders and a precise control system, the stability, applicability and precision of the device are ensured. By adding monitoring equipment and replacing key components, etc., the safety and reliability of the device are further improved, greatly enhancing the practicability of the device;

[0022] 2. The dragging device applicable to the jacking of steel truss girders can adjust the height and levelness of the base according to the actual situation of different construction sites by setting a lifting mechanism and a height adjustment mechanism and adopting an adjustable base, ensuring the stability and applicability of the device. At the same time, a plurality of positioning holes are opened on the base, which is convenient for the connection and fixation with the steel truss girder, greatly enhancing the practicability of the device. Description of the Drawings

[0023] Figure 1 This is the main body schematic diagram of the device of the present application;

[0024] Figure 2 This is the internal top view schematic diagram of the lifting mechanism of the device of the present application;

[0025] Figure 3 For the present application Figure 2 The enlarged view at position A in;

[0026] Figure 4 This is the internal top view schematic diagram of the base of the device of the present application.

[0027] Reference numerals in the figure: 1, base; 2, limit groove; 3, positioning hole; 4, pushing mechanism; 41, cylinder; 42, push plate; 5, clamping mechanism; 51, jaw; 6, first monitoring mechanism; 61, displacement sensor; 7, second monitoring mechanism; 71, pressure sensor; 8, lifting mechanism; 81, support cylinder; 82, lifting rod; 83, fixing frame; 9, height adjusting mechanism; 91, servo motor; 92, rotating shaft; 93, pulley; 931, main pulley; 932, driven pulley; 94, connecting shaft; 95, gear; 96, tooth groove; 10, monitoring mechanism; 101, fixing plate; 102, camera; 103, infrared sensor; 11, PLC controller. Detailed implementation manners

[0028] Next, the technical solutions in the embodiments of the present application will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments.

[0029] Referring to Figure 1 、 4 , a pulling device suitable for the jacking of steel truss girders includes a base 1 and a PLC controller 11. Two limit grooves 2 are provided inside the base 1, and multiple groups of positioning holes 3 are provided inside the base 1 and on the side far from the two limit grooves 2.

[0030] Referring to Figure 1 、 4 , a pushing mechanism 4 is provided on the top of the base 1. The pushing mechanism 4 includes a cylinder 41 and a push plate 42. The two cylinders 41 are both fixedly connected inside the base 1, and the two cylinders 41 are both electrically connected to the PLC controller 11. The telescopic ends of the two cylinders 41 are fixedly connected with a push plate 42, and the push plate 42 is slidably connected to the top of the base 1 through the limit groove 2. When the device is in use, the cylinder 41 is started through the PLC controller 11, and the push plate 42 is driven by the cylinder 41 to realize the jacking operation of the steel truss girder. The double-cylinder 41 parallel drive method is adopted to increase the jacking force and improve the jacking efficiency.

[0031] Reference Figure 1 、 4 On the top of the base 1, a clamping mechanism 5 is provided. The clamping mechanism 5 includes clamping jaws 51. The clamping jaws 51 are fixedly connected to the side of the push plate 42 away from the cylinder 41, and the clamping jaws 51 are electrically connected to the PLC controller 11. By setting the clamping mechanism 5, the PLC controller 11 controls the gripping force of the clamping jaws 51, which can firmly clamp the steel truss girder, ensuring the stability of the jacking process, thereby improving the practicality of the device.

[0032] Reference Figure 1 、 4 Inside the telescopic ends of both cylinders 41, a first monitoring mechanism 6 is provided. The first monitoring mechanism 6 includes displacement sensors 61. Both displacement sensors 61 are arranged inside the telescopic ends of the cylinders 41, and both displacement sensors 61 are electrically connected to the PLC controller 11. By arranging the displacement sensors 61 inside the telescopic ends of the cylinders 41, the displacement data during the jacking process is monitored in real time, and precise control is carried out through the PLC controller 11 to ensure the accuracy and stability of the jacking, thereby improving the practicality of the device.

[0033] Reference Figure 1 、 4 Inside the clamping jaws 51, a second monitoring mechanism 7 is provided. The second monitoring mechanism 7 includes a pressure sensor 71. The pressure sensor 71 is arranged inside the clamping jaws 51, and the pressure sensor 71 is electrically connected to the PLC controller 11. By adding the pressure sensor 71 in the clamping mechanism 5, the magnitude of the clamping force is monitored in real time. When the clamping force is lower than the set value, the PLC controller 11 automatically adjusts the clamping force of the clamping jaws 51 to ensure the stability and safety of the steel truss girder during the jacking process, thereby improving the practicality of the device.

[0034] Reference Figures 1-4 At the bottom of the base 1, a lifting mechanism 8 is fixedly connected. The lifting mechanism 8 includes support cylinders 81 and lifting rods 82. Each lifting rod 82 is slidably connected inside the support cylinder 81. The top of each lifting rod 82 is fixedly connected to the bottom of the base 1, and a fixing frame 83 is fixedly connected between each support cylinder 81. By setting the lifting mechanism 8 and adopting an adjustable base 1, the height of the base 1 can be adjusted according to the actual situation of different construction sites, ensuring the stability and applicability of the device, thereby improving the practicality of the device.

[0035] Reference Figures 1-4, a height adjustment mechanism 9 is provided inside the fixing frame 83. The height adjustment mechanism 9 includes a rotating shaft 92 and multiple groups of pulleys 93. The rotating shaft 92 is rotatably connected inside the fixing frame 83. Each group of pulleys 93 includes a main pulley 931 and a driven pulley 932. Each main pulley 931 is fixedly connected to the outside of the rotating shaft 92 and is located inside the fixing frame 83. A plurality of connecting shafts 94 are rotatably connected inside the fixing frame 83. A driven pulley 932 is fixedly connected to the outside of each connecting shaft 94 and is located inside the fixing frame 83. And the driven pulley 932 and the main pulley 931 are connected by belt drive. A fixed gear 95 is fixedly connected to the outside of each connecting shaft 94 and on one side of the driven pulley 932. A tooth groove 96 is formed inside each lifting rod 82. And each gear 95 is meshed with the tooth groove 96. A servo motor 91 is fixedly connected to the outside of the fixing frame 83. And the output end of the servo motor 91 extends into the fixing frame 83 and is fixedly connected to one end of the rotating shaft 92. The servo motor 91 is electrically connected to the PLC controller 11; By setting the height adjustment mechanism 9, not only can the stability of the base 1 during lifting be ensured, but also the levelness of the base 1 during the lifting process can be ensured, thereby improving the practicality of the device.

[0036] Refer to Figure 1 , 4 , a monitoring mechanism 10 is fixedly connected to the outside of the base 1. The monitoring mechanism 10 includes a fixing plate 101. The fixing plate 101 is fixedly connected to the outside of the base 1. A camera 102 is fixedly connected to the outside of the fixing plate 101 and above the base 1. An infrared sensor 103 is provided inside the camera 102. And both the camera 102 and the infrared sensor 103 are electrically connected to the PLC controller 11; By setting the camera 102 and the infrared sensor 103 on the device, the situation during the jacking process is monitored in real time, and abnormal situations are discovered and processed in time, thereby improving the practicality of the device.

[0037] Working principle: When the device is in use, the cylinder 41 is started through the PLC controller 11. The push plate 42 is driven by the cylinder 41 to realize the jacking operation of the steel truss girder. The double-cylinder 41 parallel drive method is adopted to increase the jacking force and improve the jacking efficiency. By setting the clamping mechanism 5, the PLC controller 11 controls the gripping force of the jaws 51, and can firmly clamp the steel truss girder to ensure the stability of the jacking process. The PLC controller 11 is used to control the actions of the jacking mechanism 4 and the clamping mechanism 5 to realize automatic operation. By simplifying the structure, optimizing the operation method and improving the degree of automation, the towing device of the present technology can significantly improve the jacking efficiency and quality of the steel truss girder.

[0038] By setting up the lifting mechanism 8 and the height adjustment mechanism 9 and adopting the adjustable base 1, the height and levelness of the base 1 can be adjusted according to the actual conditions of different construction sites, ensuring the stability and applicability of the device. At the same time, a plurality of positioning holes 3 are opened on the base 1 to facilitate the connection and fixation with the steel truss girder.

[0039] By setting a displacement sensor 61 inside the telescopic end of the cylinder 41, the displacement data during the jacking process is monitored in real time, and precise control is carried out through the PLC controller 11 to ensure the accuracy and stability of the jacking.

[0040] By adding a pressure sensor 71 to the clamping mechanism 5, the magnitude of the clamping force is monitored in real time. When the clamping force is lower than the set value, the PLC controller 11 will automatically adjust the clamping force of the clamping jaw 51 to ensure the stability and safety of the steel truss girder during the jacking process.

[0041] By setting a camera 102 and an infrared sensor 103 on the device, the situation during the jacking process is monitored in real time to promptly detect and handle abnormal situations.

[0042] Compared with the prior art, the present technical solution has the following technical effects: First, by simplifying the structure, optimizing the operation mode and improving the degree of automation, the jacking efficiency and quality of the steel truss girder are significantly improved; Second, the design of the adjustable base 1, the parallel drive of the double cylinders 41 and the precise control system ensures the stability, applicability and accuracy of the device; Finally, by adding monitoring equipment and replacing key components, the safety and reliability of the device are further improved.

[0043] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present application, according to the technical solution and the inventive concept of the present application, makes equivalent replacements or changes, and should be covered by the protection scope of the present application.

Claims

1. A pulling device suitable for pushing a steel truss beam, comprising a base (1) and a PLC controller (11), characterized in that: Two limiting grooves (2) are provided inside the base (1), and a plurality of positioning holes (3) are provided inside the base (1) and on a side away from the two limiting grooves (2). A pushing mechanism (4) is provided on the top of the base (1), and the pushing mechanism (4) comprises a cylinder (41) and a pushing plate (42). The two cylinders (41) are fixedly connected inside the base (1), and the two cylinders (41) are electrically connected to the PLC controller (11). The telescopic ends of the two cylinders (41) are fixedly connected to the pushing plates (42), and the pushing plates (42) are slidably connected to the top of the base (1) through the limiting grooves (2).

2. A pulling device suitable for pushing a steel truss beam according to claim 1, characterized in that: A clamping mechanism (5) is provided on the top of the base (1), the clamping mechanism (5) comprising a clamping claw (51), the clamping claw (51) being fixedly connected to a side of the push plate (42) away from the cylinder (41), and the clamping claw (51) being electrically connected to a PLC controller (11).

3. A pulling device suitable for pushing a steel truss beam according to claim 1, characterized in that: A first monitoring mechanism (6) is disposed inside the telescopic ends of the two cylinders (41), the first monitoring mechanism (6) comprising a displacement sensor (61), the two displacement sensors (61) are disposed inside the telescopic ends of the cylinders (41), and the two displacement sensors (61) are electrically connected to the PLC controller (11).

4. A pulling device suitable for pushing a steel truss beam according to claim 2, characterized in that: A second monitoring mechanism (7) is arranged inside the clamping jaw (51), and the second monitoring mechanism (7) comprises a pressure sensor (71). The pressure sensor (71) is arranged inside the clamping jaw (51), and the pressure sensor (71) is electrically connected to the PLC controller (11).

5. A pulling device suitable for pushing a steel truss beam according to claim 1, characterized in that: The bottom of the base (1) is fixedly connected to a lifting mechanism (8), the lifting mechanism (8) comprising a support tube (81) and a lifting rod (82), each of the lifting rods (82) being slidably connected inside the support tube (81), the top of each of the lifting rods (82) being fixedly connected to the bottom of the base (1), and a fixing frame (83) being fixedly connected between each of the support tubes (81).

6. A pulling device suitable for pushing a steel truss beam according to claim 5, characterized in that: A height adjustment mechanism (9) is arranged inside the fixed frame (83), and the height adjustment mechanism (9) comprises a rotating shaft (92) and a plurality of groups of pulleys (93). The rotating shaft (92) is rotatably connected inside the fixed frame (83), and each group of pulleys (93) comprises a main pulley (931) and a slave pulley (932). Each main pulley (931) is fixedly connected to the outside of the rotating shaft (92) and is located inside the fixed frame (83). The inside of the fixed frame (83) is rotatably connected to a plurality of connecting shafts (94), and each connecting shaft (94) is fixedly connected to a slave pulley (932) outside the fixed frame (83). 2), and the slave pulley (932) and the master pulley (931) are connected via a belt transmission, a gear (95) is fixed outside each of the connecting shafts (94) and located on one side of the slave pulley (932), a tooth groove (96) is provided inside each of the lifting rods (82), and each of the gears (95) is meshingly connected with the tooth groove (96), a servo motor (91) is fixedly connected outside the fixing frame (83), and an output end of the servo motor (91) extends to the inside of the fixing frame (83) and is fixedly connected to one end of the rotating shaft (92), and the servo motor (91) is electrically connected to a PLC controller (11).

7. A pulling device suitable for pushing a steel truss beam according to claim 1, characterized in that: A monitoring mechanism (10) is fixedly connected to the outside of the base (1), the monitoring mechanism (10) comprising a fixing plate (101), the fixing plate (101) being fixedly connected to the outside of the base (1), a camera (102) being fixedly connected to the outside of the fixing plate (101) and located above the base (1), an infrared sensor (103) being arranged inside the camera (102), and both the camera (102) and the infrared sensor (103) being electrically connected to a PLC controller (11).

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