Box girder wet joint surface treatment mechanism

Abstract

The utility model provides a box girder wet joint surface treatment mechanism, which belongs to the technical field of building construction and comprises a support frame, a long-strip bearing plate, a driving mechanism, a linear moving mechanism, a connecting frame and a handheld bush hammer, the supporting frame is provided with a cross beam and an operation space, the long-strip-shaped bearing plate is installed in the operation space and is in sliding connection with the supporting frame, and the driving mechanism is installed on the cross beam and is connected with the long-strip-shaped bearing plate. The linear moving mechanism is installed on the long-strip-shaped bearing plate and provided with a moving block. A mounting groove is formed in the lower end of the connecting frame; the handheld bush hammer is mounted in the mounting groove and rotationally connected with the connecting frame. According to the surface treatment mechanism for the wet joint of the box girder, when the to-be-machined surface of a certain area is machined, the chiseling completion degree of the to-be-machined surface of the box girder is high; and the handheld bush hammer is driven by the driving mechanism and the linear moving mechanism to move on one side of the to-be-machined surface, so that time and labor are saved, and the working efficiency is high.

Description

Technical Field

[0001] The utility model belongs to the technical field of building construction, and more specifically, it relates to a surface treatment mechanism for the wet joint of a box girder. Background Art

[0002] During the construction of a bridge, in order to ensure the installation firmness of the precast components of the main beam of the bridge body, it is necessary to roughen the precast box girder to expose the aggregate to increase the bonding force of the concrete between adjacent beam segments. At present, when roughening the box girder, a roughening machine is mostly used to move along the length direction of the box girder to complete the roughening operation of the box girder, or a worker holds a roughening machine to process the surface to be processed of the box girder. However, during bridge construction, due to the complex construction site, it is difficult for the roughening machine to move. If the ground on one side of the surface to be processed of the box girder is cleaned, it will take a lot of time and the labor intensity is relatively high. And due to the complex construction site, there are areas where the roughening machine cannot contact the surface to be processed of the box girder during the moving process, resulting in a low completion degree of the roughening work of the box girder. While the work efficiency of a worker holding a roughening machine is relatively low and it is time-consuming and laborious. Summary of the Utility Model

[0003] The purpose of the utility model is to provide a surface treatment mechanism for the wet joint of a box girder, so as to solve the technical problems in the prior art that the methods of using a roughening machine or a hand-held roughening machine to process the box girder are time-consuming and laborious, and the completion degree and work efficiency are relatively low.

[0004] To achieve the above purpose, the technical solution adopted by the utility model is: to provide a surface treatment mechanism for the wet joint of a box girder, including:

[0005] A support frame, which is used to be installed on one side of the surface to be processed of the box girder, and the lower end is used to support on the ground; a cross beam and an operation space located below the cross beam are provided on the support frame, and the length direction of the cross beam is consistent with the length direction of the box girder;

[0006] A long strip bearing plate, which is installed in the operation space, and both ends are slidably connected with the support frame; the long strip bearing plate is arranged parallel to the cross beam at an interval;

[0007] A driving mechanism, which is fixedly installed on the cross beam; the driving mechanism is connected with the long strip bearing plate and is used to drive the long strip bearing plate to move up and down in the operation space;

[0008] A linear moving mechanism, which is installed on the lower end surface of the long strip bearing plate; a moving block that moves along the length direction of the long strip bearing plate is provided on the linear moving mechanism;

[0009] A connecting frame, the upper end of which is rotatably connected with the moving block, and the lower end extends downward; an installation groove penetrating through is opened at the lower end of the connecting frame;

[0010] A hand-held chiseling machine is installed in the installation groove and is rotatably connected to the connecting frame; the hand-held chiseling machine is used to process the surface to be processed of the box girder.

[0011] In a possible implementation, an inverted U-shaped plate is provided at the lower end of the moving block, and a first rotating shaft is provided inside the U-shaped plate; a connecting protrusion installed inside the U-shaped plate is provided on the connecting frame, and a first rotating hole that is rotationally matched with the first rotating shaft is provided on the connecting protrusion.

[0012] In a possible implementation, the connecting frame has two vertical plates arranged in parallel at intervals, and the installation groove is formed between the two vertical plates; a second rotating shaft is provided between the two vertical plates, and a second rotating hole that is rotationally matched with the second rotating shaft is provided on the outer shell of the hand-held chiseling machine.

[0013] In a possible implementation, the connecting frame includes:

[0014] A main frame body, the upper end of which is rotatably connected to the moving block;

[0015] An extension frame body is installed below the main frame body, and the upper end of the extension frame body is detachably connected to the lower end of the main frame body; the installation groove is opened at the lower end of the extension frame body.

[0016] In a possible implementation, extension plates extending horizontally outward are provided on both sides of the lower end of the main frame body, and first connection holes are provided on the extension plates; docking plates connected to the extension plates are provided on both sides of the upper end of the extension frame body, and second connection holes are provided on the docking plates; the docking plates and the extension plates are connected by bolts passing through the first connection holes and the second connection holes.

[0017] In a possible implementation, the number of the extension frame bodies is multiple, and the docking plates are provided on both sides of the lower end of each extension frame body.

[0018] In a possible implementation, the support frame further includes two support side plates, the cross beam is installed between the two support side plates and is fixedly connected to the upper ends of the two support side plates at both ends; linear guide rails and sliders installed on the linear guide rails are provided on the side surfaces of the two support side plates close to each other, and both ends of the long strip bearing plate are fixedly connected to the two sliders respectively.

[0019] In a possible implementation, the linear movement mechanism is a lead screw transmission mechanism, the nut of the lead screw transmission mechanism is the moving block; the driving mechanism is a cylinder, and a through hole for the piston rod of the cylinder to pass through is provided on the cross beam.

[0020] In a possible implementation, a holding handle is provided on the side of the hand-held scarifier away from the box girder.

[0021] In a possible implementation, a partition plate is provided on the long strip bearing plate. The partition plate divides the long strip bearing plate into a first installation section and a second installation section. There are two of the linear movement mechanism, the connecting frame and the hand-held scarifier, and they are respectively installed on the first installation section and the second installation section.

[0022] The beneficial effects of the surface treatment mechanism for the wet joint of the box girder provided by the present utility model are as follows: Compared with the prior art, for the surface treatment mechanism for the wet joint of the box girder of the present utility model, before work, the support frame is installed on one side of the box girder, and the driving mechanism is installed on the cross beam. The long strip bearing plate, the linear movement mechanism, the connecting frame and the hand-held scarifier are installed in the operation space; the staff pushes the hand-held scarifier towards the surface to be processed of the box girder. The connecting frame rotates around the moving block and the hand-held scarifier rotates around the lower end of the connecting frame, so that the hand-held scarifier is in a horizontal state and its end acts on the surface to be processed to form a rough surface; at the same time, the driving mechanism and the linear movement mechanism are started to make the connecting frame and the hand-held scarifier move corresponding to the surface to be processed, and the staff moves along with the movement of the hand-held scarifier, and finally the scarifying operation on the surface to be processed of the box girder is realized. In this way, when processing the surface to be processed in a certain area, the hand-held scarifier does not need to consider the construction site environment, so that the scarifying completion degree of the surface to be processed of the box girder is relatively high; and the driving mechanism and the linear movement mechanism drive the hand-held scarifier to move on one side of the surface to be processed, which is time-saving and labor-saving and has a high working efficiency. Description of the Drawings

[0023] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model, the following will briefly introduce the drawings required for use in the embodiments or the description of the prior art. Obviously, the following drawings are only some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0024] Figure 1 It is a schematic structural diagram of the surface treatment mechanism for the wet joint of the box girder provided by the embodiment of the present utility model;

[0025] Figure 2 It is a cross-sectional view of the surface treatment mechanism for the wet joint of the box girder provided by the embodiment of the present utility model;

[0026] Figure 3 It is a connection diagram of the long strip bearing plate, the linear movement mechanism, the connecting frame and the hand-held scarifier provided by the embodiment of the present utility model;

[0027] Figure 4Schematic structural diagram of the connecting frame provided by an embodiment of the present utility model;

[0028] Figure 5 Schematic diagram of the use state of the surface treatment mechanism for the wet joint of a box girder provided by an embodiment of the present utility model;

[0029] Figure 6 Schematic structural diagram of the surface treatment mechanism for the wet joint of a box girder with two handheld scarifiers provided by an embodiment of the present utility model.

[0030] Among them, each reference numeral in the figure:

[0031] 1, support frame; 11, cross beam; 12, operation space; 13, support side plate; 14, linear guide rail; 15, slider; 16, backing plate; 2, long strip bearing plate; 21, partition plate; 22, first installation section; 23, second installation section; 3, drive mechanism; 4, linear movement mechanism; 41, moving block; 42, U-shaped plate; 43, first rotating shaft; 5, connecting frame; 51, installation groove; 52, connecting protrusion; 53, vertical plate; 54, second rotating shaft; 55, main frame body; 551, extension plate; 552, first connection hole; 56, extension frame body; 561, docking plate; 562, second connection hole; 57, bolt; 58, nut; 6, handheld scarifier; 61, holding handle; 7, box girder; 71, surface to be processed. Detailed implementation manners

[0032] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present utility model and are not used to limit the present utility model.

[0033] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it can be directly on the other element or indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element.

[0034] It should be understood that the orientation or positional relationship indicated by the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present utility model.

[0035] In addition, the terms "first" and "second" are for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, features defined with "first" and "second" may explicitly or implicitly include one or more of such features. In the description of the present utility model, "a plurality of" means two or more, unless otherwise specifically defined.

[0036] Please refer to Figures 1 to 5 , and a surface treatment mechanism for the wet joint of a box girder provided by the present utility model will be described hereinafter. A surface treatment mechanism for the wet joint of a box girder includes a support frame 1, a long strip bearing plate 2, a driving mechanism 3, a linear movement mechanism 4, a connecting frame 5, and a hand-held scarifier 6; the support frame 1 is used to be installed on one side of the to-be-processed surface 71 of the box girder 7, and the lower end is used to support on the ground; a cross beam 11 and an operation space 12 located below the cross beam 11 are provided on the support frame 1, and the length direction of the cross beam 11 is the same as the length direction of the box girder 7; the long strip bearing plate 2 is installed in the operation space 12, and both ends are slidably connected to the support frame 1; the long strip bearing plate 2 is arranged parallel to and spaced from the cross beam 11; the driving mechanism 3 is fixedly installed on the cross beam 11; the driving mechanism 3 is connected to the long strip bearing plate 2 and is used to drive the long strip bearing plate 2 to move up and down in the operation space 12; the linear movement mechanism 4 is installed on the lower end surface of the long strip bearing plate 2; a moving block 41 that moves along the length direction of the long strip bearing plate 2 is provided on the linear movement mechanism 4; the upper end of the connecting frame 5 is rotatably connected to the moving block 41, and the lower end extends downward; a through installation groove 51 is provided at the lower end of the connecting frame 5; the hand-held scarifier 6 is installed in the installation groove 51 and is rotatably connected to the connecting frame 5; the hand-held scarifier 6 is used to process the to-be-processed surface 71 of the box girder 7.

[0037] The surface treatment mechanism for the wet joint of the box girder provided by the present utility model, compared with the prior art, before work, install the support frame 1 on one side of the box girder 7, and install the driving mechanism 3 on the cross beam 11. Install the long strip bearing plate 2, the linear movement mechanism 4, the connecting frame 5 and the handheld scarifier 6 in the operation space 12. The staff pushes the handheld scarifier 6 towards the surface 71 to be processed of the box girder 7. The connecting frame 5 rotates around the moving block 41 and the handheld scarifier 6 rotates around the lower end of the connecting frame 5, so that the handheld scarifier 6 is in a horizontal state and its end acts on the surface 71 to be processed to form a rough surface. At the same time, start the driving mechanism 3 and the linear movement mechanism 4 to make the connecting frame 5 and the handheld scarifier 6 move corresponding to the surface 71 to be processed. The staff moves along with the handheld scarifier 6, and finally realizes the scarifying operation on the surface 71 to be processed of the box girder 7. In this way, when processing the surface 71 to be processed in a certain area, the handheld scarifier 6 does not need to consider the construction site environment, so that the scarifying completion degree of the surface 71 to be processed of the box girder 7 is relatively high. And the driving mechanism 3 and the linear movement mechanism 4 drive the handheld scarifier 6 to move on one side of the surface 71 to be processed, which is time-saving and labor-saving and has a high working efficiency.

[0038] Please refer to Figures 1 to 3 , as a specific implementation manner of the surface treatment mechanism for the wet joint of the box girder provided by the present utility model, an inverted U-shaped plate 42 is provided at the lower end of the moving block 41. A first rotating shaft 43 is provided in the U-shaped plate 42. A connecting protrusion 52 installed in the U-shaped plate 42 is provided on the connecting frame 5, and a first rotating hole rotatably connected with the first rotating shaft 43 is provided on the connecting protrusion 52. The U-shaped plate 42 is installed upside down. The web of the U-shaped plate 42 is fixedly connected to the lower end surface of the moving block 41, and a groove is formed between the two wing plates of the U-shaped plate 42, and the first rotating shaft 43 is installed between the two wing plates. The connecting frame 5 is provided with a connecting protrusion 52 extending between the two wing plates, and at the same time, a first rotating hole is provided on the connecting protrusion 52, so that a rotational fit is formed between the first rotating hole and the first rotating shaft 43. In this way, the connecting frame 5 forms a good rotational connection relationship with the moving block 41 by means of the U-shaped plate 42.

[0039] Please refer to Figures 1 to 4, as a specific implementation of the surface treatment mechanism for the wet joint of the box girder provided by the present utility model, the connecting frame 5 has two vertically arranged plates 53 that are parallel and spaced apart, and an installation groove 51 is formed between the two vertically arranged plates 53; a second rotating shaft 54 is provided between the two vertically arranged plates 53, and a second rotating hole that is rotationally and cooperatively connected to the second rotating shaft 54 is provided on the outer shell of the handheld scarifier 6; the two vertically arranged plates 53 that are parallel and spaced apart are installed on the connecting frame 5 and extend downward, so that an installation groove 51 is formed between the two vertically arranged plates 53 and the connecting frame 5, and at the same time, the second rotating shaft 54 is arranged between the two vertically arranged plates 53. The second rotating hole is provided on the outer shell of the handheld scarifier 6. Therefore, after the handheld scarifier 6 is installed into the installation groove 51, a rotational cooperation relationship is formed between the second rotating hole and the second rotating shaft 54, enabling the handheld scarifier 6 to rotate conveniently and smoothly.

[0040] Please refer to Figure 3 and Figure 4 , as a specific implementation of the surface treatment mechanism for the wet joint of the box girder provided by the present utility model, the connecting frame 5 includes a main frame body 55 and an extension block body. The upper end of the main frame body 55 is rotationally connected to the moving block 41; the extension frame body 56 is installed below the main frame body 55, and the upper end is detachably connected to the lower end of the main frame body 55; the installation groove 51 is opened at the lower end of the extension frame body 56; the main frame body 55 and the extension frame body 56 are sequentially installed on the moving block 41, and both the main frame body 55 and the extension frame body 56 are vertically arranged. The upper end of the main frame body 55 is rotationally connected to the moving block 41, and the extension frame body 56 is installed below the main frame body 55. The upper end of the extension frame body 56 is fixedly connected to the lower end of the main frame body 55, and the installation groove 51 is opened at the lower end of the extension frame body 56, and the handheld scarifier 6 is rotationally connected to the extension frame body 56. In this way, the connecting frame 5 can be lengthened according to the actual working conditions, increasing the application range of the surface treatment mechanism for the wet joint of the box girder.

[0041] Please refer to Figure 4, as a specific implementation of the surface treatment mechanism for the wet joint of the box girder provided by the present utility model, extension plates 551 extending horizontally outward are provided on both sides of the lower end of the main frame body 55, and first connection holes 552 are provided on the extension plates 551; docking plates 561 connected to the extension plates 551 are provided on both sides of the upper end of the extension frame body 56, and second connection holes 562 are provided on the docking plates 561; the docking plates 561 and the extension plates 551 are connected by bolts 57 passing through the first connection holes 552 and the second connection holes 562; extension plates 551 are provided on both outer sides of the lower end of the main frame body 55, the extension plates 551 are horizontally arranged, and first connection holes 552 are opened on the extension plates 551; docking plates 561 are installed on both outer sides of the upper end of the extension frame body 56, the docking plates 561 are also horizontally arranged, and second connection holes 562 are opened on the docking plates 561. When installing the extension frame body 56 on the main frame body 55, the two docking plates 561 are docked with the two extension plates 551, the first connection holes 552 and the second connection holes 562 are coaxially aligned, and then bolts 57 are used to pass through the first connection holes 552 and the second connection holes 562, and nuts 58 are used to lock and fix.

[0042] Please refer to Figure 4 , as a specific implementation of the surface treatment mechanism for the wet joint of the box girder provided by the present utility model, the number of the extension frame bodies 56 is multiple, and docking plates 561 are provided on both sides of the lower end of each extension frame body 56; by adopting multiple extension frame bodies 56, different numbers of extension frame bodies 56 can be effectively installed on the main frame body 55 according to the actual working conditions. At the same time, docking plates 561 are also provided at the lower ends of the extension frame bodies 56, so that the multiple extension frame bodies 56 can be stably and quickly installed.

[0043] Please refer to Figure 1 and Figure 2 , as a specific implementation of the surface treatment mechanism for the wet joint of the box girder provided by the present utility model, the support frame 1 further includes two support side plates 13, the cross beam 11 is installed between the two support side plates 13 and is fixedly connected to the upper ends of the two support side plates 13 at both ends; linear guide rails 14 and sliders 15 installed on the linear guide rails 14 are provided on the side surfaces of the two support side plates 13 close to each other; both ends of the long strip bearing plate 2 are fixedly connected to the two sliders 15 respectively; that is, the two support side plates 13 and the cross beam 11 form a door-shaped structure and can be stably supported on the ground. At the same time, linear guide rails 14 are installed on the side surfaces of the two support side plates 13, and sliders 15 are respectively installed on the two linear guide rails 14, so that both ends of the long strip bearing plate 2 are fixedly connected to the two sliders 15. When the driving mechanism 3 acts on the long strip bearing plate 2, the long strip bearing plate 2 can move downward smoothly and smoothly. A backing plate 16 is provided at the lower end of the support side plate 13, so that the support frame 1 is installed on the construction site more stably and safely.

[0044] Please refer toFigure 1 and Figure 2 As a specific implementation of the surface treatment mechanism for the wet joint of the box girder provided by the present utility model, the linear movement mechanism 4 is a lead screw transmission mechanism, and the nut of the lead screw transmission mechanism is the moving block 41; the driving mechanism 3 is a cylinder, and a through hole for the piston rod of the cylinder to pass through is provided on the cross beam 11; the lead screw transmission mechanism is installed on the lower end surface of the long strip bearing plate 2, and the motor, lead screw and nut of the cylinder transmission mechanism, where the nut is the moving block 41. Then, the motor is started, and the nut is driven to rotate through a speed reducer, coupling, etc., driving the connecting frame 5 and the handheld scarifier 6 to move horizontally. The driving mechanism 3 uses a lead screw, and the cylinder is installed on the upper end surface of the cross beam 11, and the piston rod of the cylinder passes through the through hole and is connected to the long strip bearing plate 2.

[0045] Please refer to Figure 1 and Figure 2 As a specific implementation of the surface treatment mechanism for the wet joint of the box girder provided by the present utility model, a holding handle 61 is provided on the side of the handheld scarifier 6 away from the box girder 7; during operation, the operator can hold the hand on the holding handle 61, and then push the handheld scarifier 6 towards the box girder 7. With the connecting frame 5 rotatably connected to the moving block 41 and the handheld scarifier 6 rotatably connected to the connecting frame 5, the handheld scarifier 6 can accurately and firmly act on the box girder 7, and can conveniently and quickly operate on the surface 71 to be processed of the box girder 7.

[0046] Please refer to Figure 6 As a specific implementation of the surface treatment mechanism for the wet joint of the box girder provided by the present utility model, a partition plate 21 is provided on the long strip bearing plate 2. The partition plate 21 divides the long strip bearing plate 2 into a first installation section 22 and a second installation section 23. There are two linear movement mechanisms 4, connecting frames 5 and handheld scarifiers 6, which are respectively installed on the first installation section 22 and the second installation section 23; that is, with the help of the partition plate 21, the long strip bearing plate 2 is divided into left and right parts: the first installation section 22 and the second installation section 23. The two linear movement mechanisms 4 are respectively installed on the first installation section 22 and the second installation section 23, and the ends of the two linear movement mechanisms 4 are installed on both sides of the partition plate 21; then the connecting frames 5 are installed on the moving blocks 41 of the two linear movement mechanisms 4 respectively, and finally the handheld scarifiers 6 are installed on the two connecting frames 5. Therefore, when using this surface treatment mechanism for the wet joint of the box girder to process the box girder 7, two handheld scarifiers 6 can be operated simultaneously, greatly improving the work efficiency.

[0047] The above are only the preferred embodiments of the present utility model, and are not intended to limit the present utility model. Any modifications, equivalent replacements, and improvements made within the spirit and principle of the present utility model shall be included in the protection scope of the present utility model.

Claims

1. A surface treatment mechanism for the wet joint of a box girder, characterized in that, Comprising: A support frame, which is used to be installed on one side of the to-be-processed surface of the box girder, and the lower end is used to support on the ground; a cross beam and an operation space located below the cross beam are provided on the support frame, and the length direction of the cross beam is consistent with the length direction of the box girder; A long strip bearing plate, which is installed in the operation space and is slidably connected to the support frame at both ends; the long strip bearing plate is arranged parallel to the cross beam at an interval; A driving mechanism, which is fixedly installed on the cross beam; the driving mechanism is connected to the long strip bearing plate and is used to drive the long strip bearing plate to move up and down in the operation space; A linear movement mechanism, which is installed on the lower end surface of the long strip bearing plate; a moving block that moves along the length direction of the long strip bearing plate is provided on the linear movement mechanism; A connecting frame, the upper end of which is rotatably connected to the moving block and the lower end extends downward; a through installation groove is opened at the lower end of the connecting frame; A hand-held chiseling machine, which is installed in the installation groove and is rotatably connected to the connecting frame; the hand-held chiseling machine is used to process the to-be-processed surface of the box girder.

2. The surface treatment mechanism for the wet joint of the box girder according to claim 1, characterized in that, An inverted U-shaped plate is provided at the lower end of the moving block, and a first rotating shaft is arranged inside the U-shaped plate; a connecting protrusion installed in the U-shaped plate is provided on the connecting frame, and a first rotating hole that is rotationally matched with the first rotating shaft is provided on the connecting protrusion.

3. The surface treatment mechanism for the wet joint of the box girder according to claim 2, characterized in that, The connecting frame has two vertically arranged plates arranged in parallel at an interval, and the installation groove is formed between the two vertically arranged plates; a second rotating shaft is arranged between the two vertically arranged plates, and a second rotating hole that is rotationally matched with the second rotating shaft is provided on the outer shell of the hand-held chiseling machine.

4. The surface treatment mechanism for the wet joint of the box girder according to claim 1, characterized in that, The connecting frame includes: A main frame body, the upper end of which is rotatably connected to the moving block; An extension frame body, which is installed below the main frame body, and the upper end is detachably connected to the lower end of the main frame body; the installation groove is opened at the lower end of the extension frame body.

5. The surface treatment mechanism for the wet joint of the box girder according to claim 4, characterized in that, Extension plates extending horizontally outward are provided on both sides of the lower end of the main frame body, and first connection holes are provided on the extension plates; docking plates connected to the extension plates are provided on both sides of the upper end of the extension frame body, and second connection holes are provided on the docking plates; the docking plates and the extension plates are connected by bolts passing through the first connection holes and the second connection holes.

6. The surface treatment mechanism for the wet joint of the box girder according to claim 5, characterized in that, The number of the extension frame bodies is multiple, and docking plates are provided on both sides of the lower end of each extension frame body.

7. The surface treatment mechanism for the wet joint of the box girder according to claim 1, characterized in that, The support frame further includes two support side plates, the cross beam is installed between the two support side plates and is fixedly connected to the upper ends of the two support side plates at both ends; linear guide rails and sliders installed on the linear guide rails are provided on the side surfaces of the two support side plates close to each other, and both ends of the long strip bearing plate are fixedly connected to the two sliders respectively.

8. The surface treatment mechanism for the wet joint of the box girder according to claim 7, wherein, The linear movement mechanism is a lead screw transmission mechanism, and the nut of the lead screw transmission mechanism is the moving block; the driving mechanism is a cylinder, and a through hole for the cylinder rod to pass through is provided on the cross beam.

9. The surface treatment mechanism for the wet joint of the box girder according to claim 1, characterized in that, A holding handle is provided on the side of the hand-held chiseling machine away from the box girder.

10. The surface treatment mechanism for the wet joint of the box girder according to any one of claims 1-9, characterized in that, A partition plate is provided on the long strip bearing plate, and the partition plate divides the long strip bearing plate into a first installation section and a second installation section. There are two of the linear movement mechanism, the connecting frame and the handheld scarifier, which are respectively installed on the first installation section and the second installation section.

Images