Auxiliary device for cleaning welding seam of steel box girder

Abstract

The utility model relates to a steel box girder weld joint cleaning auxiliary device, and belongs to the technical field of weld joint cleaning, the steel box girder weld joint cleaning auxiliary device comprises a supporting part used for supporting an elbow and further comprises an adjusting mechanism used for rapidly adjusting the position height of the supporting part, and the adjusting mechanism comprises a lifting plate and a lifting assembly used for adjusting the position height of the lifting plate; and the supporting part is mounted on the lifting plate. The cleaning device has the effects that during cleaning work, the position of the supporting part is rapidly adjusted, and the requirement for different supporting heights is met.

Description

Technical Field

[0001] The present application relates to the technical field of weld cleaning, and in particular to an auxiliary device for cleaning the weld of a steel box girder. Background Art

[0002] After welding, the welds of steel box girders usually need to be cleaned. During the cleaning process, they are usually polished manually with a handheld grinder. In order to reduce the soreness of the arm when holding the grinder for a long time, an auxiliary device is used to support the elbow to assist the weld cleaning process.

[0003] At present, relevant steel box girder weld cleaning auxiliary devices, such as the Chinese patent with authorization announcement number CN219881534U, discloses a steel box girder weld cleaning auxiliary device, which includes a plurality of columns arranged at intervals, a cross brace is arranged between the columns, a through slot is opened on the cross brace, a movable sleeve is movably arranged on the cross brace, a through hole is arranged on the movable sleeve, the through hole is aligned with the through slot, an adjusting screw is arranged in the through hole of the movable sleeve, a locking nut is arranged on the adjusting screw, the locking nut is arranged above the movable sleeve and below the movable sleeve, the locking nut is abutted against the movable sleeve, the cross brace and the columns surround the weld cleaning space, an elbow support is arranged at the upper end of the adjusting screw, and a roller is arranged at the lower end of the column.

[0004] The elbow support part in the related art needs to be adjusted by bolts when adjusting the position and height. Since the steel box girder itself has a large volume, in order to meet the cleaning work of the steel box girder in different positions, there is a problem of inconvenient adjustment when adjusting the height of the elbow support part. Utility Model Content

[0005] In order to facilitate the rapid adjustment of the position and height of the elbow support part, the present application provides a steel box girder weld cleaning auxiliary device.

[0006] The present application provides a steel box beam weld cleaning auxiliary device that adopts the following technical solution:

[0007] A steel box girder weld cleaning auxiliary device includes a support part for supporting an elbow, and also includes an adjustment mechanism for quickly adjusting the position and height of the support part. The adjustment mechanism includes a lifting plate and a lifting component for adjusting the position and height of the lifting plate. The support part is installed on the lifting plate.

[0008] By adopting the above technical solution, the position height of the lifting plate can be quickly adjusted through the lifting assembly, so that the position of the support part can be quickly adjusted, which can meet the needs of the staff to use the support part to support their elbows when cleaning the steel box girder, saving manpower and improving work efficiency.

[0009] Optionally, the lifting assembly includes a base plate located on the side of the lifting plate away from the supporting part, a first hinge rod and a second hinge rod are rotatably installed between the base plate and the lifting plate, middle sections of the first hinge rod and the second hinge rod are hinged to each other, one end of the second hinge rod is hinged to the base, and the other end is slidably connected to the lifting plate, one end of the first hinge rod is hinged to a first hinge seat, the first hinge seat is fixed to the lifting plate, the other end of the first hinge rod is hinged to a slider, a slide groove is provided on the base plate, the slide groove is provided along the length direction of the base plate, the slider is slidably connected to the slide groove, and an adjustment component for adjusting the position of the slider in the slide groove is provided between the slider and the base plate.

[0010] By adopting the above technical solution, the position of the slider in the slide groove is adjusted by the adjustment component, and the hinge angle between the first hinge rod and the second hinge rod is changed, thereby realizing the position adjustment of the lifting in the vertical direction and achieving the effect of rapid adjustment.

[0011] Optionally, the adjusting assembly includes a lead screw rotatably installed in the slide slot, the length direction of the lead screw is parallel to the length direction of the slide slot, the slider is sleeved on the outside of the lead screw and is threadedly connected to the lead screw, one end of the lead screw extends out of the slide slot, and the adjusting assembly also includes a motor, and the end of the lead screw extending out of the slide slot is fixedly connected to the motor.

[0012] By adopting the above technical solution, the motor drives the lead screw to rotate forward or reversely to realize the reciprocating sliding of the slider on the lead screw, thereby realizing the change of the articulation angle between the first articulated rod and the second articulated rod. When the lead screw stops rotating, the lead screw and the slider are in a self-locking state, ensuring that the support part stably supports the elbow.

[0013] Optionally, the number of the supporting parts is two, both supporting parts are mounted on the lifting plate, and the distance between the two supporting parts is adjustable.

[0014] By adopting the above technical solution, the two support parts can support the two elbows of the staff at the same time, and the distance between the two support parts can be adjusted so that it can be adjusted according to the actual use needs of the staff.

[0015] Optionally, a guide groove is provided on the lifting plate, and the guide groove is provided along the length direction of the lifting plate. A guide block is fixed on one side of the support portion close to the guide groove, and one end of the guide block away from the support portion is slidably connected to the guide groove. A fixing component is also installed between the guide block and the guide groove to fix the position of the guide block.

[0016] By adopting the above technical solution, the guide block is slidably connected to the guide groove, so that the two guide parts can move along the length direction of the guide groove to adjust the distance between the two. After the adjustment is completed, the fixing component fixes the position of the guide block to achieve the fixation of the position of the support part.

[0017] Optionally, the fixing assembly includes a pressing block and a connecting rod fixed on the pressing block, an insert block is fixed to one end of the connecting rod away from the pressing block, a side wall of the guide block is provided with a first socket for sliding the pressing block, the first socket is located on the outside of the guide groove, the pressing block is also provided with a cavity for sliding the connecting rod, a spring is fixed to the side of the connecting rod away from the pressing block, the other end of the spring is fixed in contact with the inner wall of the cavity away from the first socket, the side wall of the guide block is also provided with a second socket for sliding the insert block, the second socket is located in the guide groove, and a plurality of plug-in grooves are also provided in the length direction of the lifting plate, the plug-in grooves are connected with the guide grooves, and the plug-in block is plugged into the plug-in grooves.

[0018] By adopting the above technical solution, the position of the guide block in the guide groove can be adjusted by pushing the pressing block to move the insertion block away from the insertion groove. When it is adjusted to a suitable position, the pressure on the pressing block is cancelled, and under the action of the spring, the insertion block is reset and extends into the insertion groove, thereby fixing the position of the guide block.

[0019] Optionally, a protective plate made of a transparent material is also installed on the lifting plate, and an operation opening is opened on the protective plate, and the operation opening is opposite to the position of the supporting part.

[0020] By adopting the above technical solution, when cleaning the weld of the steel box girder, the worker's elbow passes through the operation port and is placed on the support part. The protective plate protects the worker and prevents the splashing welding slag from affecting the worker's cleaning vision.

[0021] Optionally, a plurality of rollers are installed on a side of the base plate close to the ground.

[0022] By adopting the above technical solution, the bottom plate can be conveniently moved by rollers, so as to meet the needs of moving it and provide auxiliary support for cleaning work at different positions of the steel box girder.

[0023] In summary, the present application includes at least one of the following beneficial technical effects:

[0024] 1. The height of the lifting plate can be quickly adjusted through the lifting assembly, so as to quickly adjust the position of the support part, so that the staff can use the support part to support their elbows when cleaning the steel box girder, saving manpower;

[0025] 2. The two support parts can support the two elbows of the staff at the same time, and the distance between the two support parts can be adjusted so that it can be adjusted according to the actual use needs of the staff;

[0026] 3. By pushing the pressing block to move the plug-in block away from the insertion slot, the position of the guide block in the guide slot can be adjusted. When adjusted to a suitable position, the pressure on the pressing block is cancelled. Under the action of the spring, the plug-in block is reset and extends into the insertion slot, thereby fixing the position of the guide block. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 It is a structural schematic diagram of the adjustment mechanism and the support part.

[0028] Figure 2 It is a cross-sectional view of the lifting assembly and the adjustment assembly.

[0029] Figure 3 is a cross-sectional view of the fixed component.

[0030] Explanation of the reference numerals: 1. adjusting mechanism; 11. lifting plate; 111. moving groove; 112. mounting block; 1121. guide groove; 1122. plug-in groove; 12. lifting assembly; 121. bottom plate; 1211. slide groove; 122. roller; 123. first hinge rod; 1231. first hinge seat; 1232. slider; 124. second hinge rod; 1241. second hinge seat; 1242. moving block; 13. adjusting assembly; 131. lead screw; 132. motor; 14. fixing assembly; 141. pressing block; 142. connecting rod; 143. plug-in block; 144. spring; 2. supporting part; 21. guide block; 211. cavity; 212. first socket; 213. second socket; 3. protective plate; 31. operation port. DETAILED DESCRIPTION

[0031] The following is combined with Figure 1-3 This application is described in further detail.

[0032] An embodiment of the present application discloses a steel box girder weld cleaning auxiliary device.

[0033] Reference Figure 1A steel box girder weld cleaning auxiliary device includes an adjusting mechanism 1, wherein the adjusting mechanism 1 includes a lifting plate 11, on which two supporting parts 2 are installed, and the supporting part 2 is an arc-shaped plate for supporting elbows. A lifting component 12 and an adjusting component 13 for adjusting the position height of the lifting plate 11 are installed on the side of the lifting plate 11 away from the supporting part 2. When cleaning the weld, the worker's elbow is placed on the supporting part 2, and the supporting part 2 supports the elbow, thereby saving manpower. The adjusting mechanism 1 quickly adjusts the position height of the supporting part 2 in the vertical direction, so that it can meet the auxiliary support for the cleaning work of the welds of the steel box girder at different positions and heights, thereby improving the cleaning efficiency.

[0034] The lifting assembly 12 includes a horizontally arranged base plate 121, the lifting plate 11 is located above the base plate 121, the base plate 121 and the lifting plate 11 are parallel to each other, four rollers 122 are fixed on the lower surface of the base plate 121, the four rollers 122 are fixed at intervals at the four end corners of the base plate 121, a first hinge rod 123 and a second hinge rod 124 are installed between the base plate 121 and the lifting plate 11, the first hinge rod 123 and the second hinge rod 124 are crossed with each other and the middle ends are hinged to each other.

[0035] Reference Figure 2 The upper end of the first hinged rod 123 is hinged with a first hinged seat 1231, and the first hinged seat 1231 fixes the lower surface of the lifting plate 11, so that the upper end of the first hinged rod 123 is hinged with the lifting plate 11 through the first hinged seat 1231, and the lower end of the first hinged rod 123 is hinged with a slider 1232. A horizontally arranged slide groove 1211 is provided on the upper surface of the bottom plate 121. The slide groove 1211 is provided along the length direction of the bottom plate 121, and the slider 1232 is slidably connected with the slide groove 1211.

[0036] The lower end of the second hinged rod 124 is hinged with a second hinged seat 1241, and the second hinged seat 1241 is fixed on the upper surface of the base plate 121, so that the lower end of the second hinged rod 124 is hinged to the base plate 121 through the second hinged seat 1241, and the upper end of the second hinged rod 124 is hinged with a moving block 1242. The lower surface of the lifting plate 11 is provided with a moving groove 111 for the moving block 1242 to slide. The moving groove 111 and the sliding groove 1211 are arranged opposite to each other and are parallel to each other. The moving block 1242 is slidably connected to the moving groove 111 and will not separate from the moving groove 111 in the vertical direction.

[0037] The adjusting component 13 is installed on the base plate 121, and can adjust and fix the position of the slider 1232 in the slide groove 1211. The adjusting component 13 includes a screw 131 horizontally installed in the slide groove 1211. The length direction of the screw 131 is parallel to the length direction of the slide groove 1211, and the screw 131 is rotatably connected to the slide groove 1211. The slider 1232 is sleeved on the outside of the screw 131 and is threadedly connected to the screw 131. One end of the screw 131 extends out of the slide groove 1211 and is fixed with a motor 132. The motor 132 is fixed to the side wall of the base plate 121. The output end of the motor 132 drives the screw 131 to rotate, which can realize the horizontal reciprocating movement of the slider 1232 in the slide groove 1211, thereby realizing the change of the hinge height of the first hinge rod 123 and the second hinge rod 124, thereby realizing the adjustment of the position height of the lifting plate 11.

[0038] Reference Figure 3 A horizontally arranged mounting block 112 is fixed on the upper surface of the lifting plate 11, and a guide groove 1121 is opened on the upper surface of the mounting block 112. The guide groove 1121 is arranged along the length direction of the mounting block 112. A guide block 21 is fixed on one end of the two support parts 2 close to the mounting block 112. The guide block 21 is slidably connected with the guide groove 1121, so that the support part 2 is slidably installed on the mounting block 112.

[0039] A fixing assembly 14 is further provided between the guide block 21 and the guide groove 1121 . The fixing assembly 14 fixes the guide block 21 after the distance between the two support parts 2 is adjusted to a suitable distance, thereby ensuring stable support of the support parts 2 .

[0040] The fixing assembly 14 includes a pressing block 141, a connecting rod 142 is vertically fixed to one end of the pressing block 141, and an inserting block 143 is vertically fixed to the end of the connecting rod 142 away from the pressing block 141, and the pressing block 141 and the inserting block 143 are parallel to each other; a cavity 211 is vertically opened in the guide block 21, and a first socket 212 and a second socket 213 are opened on the side wall of the guide block 21, which are connected with the cavity 211, and the first socket 212 is located above the second socket 213, and the first socket 212 is located on the outside of the guide groove 1121 The second socket 213 is located in the guide groove 1121, the pressing block 141 is slidably installed in the first socket 212, the connecting rod 142 is slidably installed in the cavity 211, and the insert block 143 is slidably installed in the second socket 213. A spring 144 is also fixed on the side of the connecting rod 142 away from the pressing block 141. One end of the spring 144 is fixed to the middle section of the connecting rod 142, and the other end is fixed to the inner wall of the cavity 211. The synchronous sliding of the insert block 143 can be achieved by pushing the pressing block 141 to move toward the direction close to the cavity 211.

[0041] The mounting block 112 is also provided with a plurality of insertion grooves 1122 at intervals in the length direction. The insertion grooves 1122 are connected with the guide groove 1121. When the insertion grooves 1122 are aligned with the second socket 213, the insertion block 143 is plugged into the insertion grooves 1122 to fix the position of the guide block 21 in the guide groove 1121.

[0042] Reference Figure 1 A protective plate 3 is also vertically fixed on the lifting plate 11. The protective plate 3 is made of transparent material, which is convenient for staff to observe. At the same time, the splashing welding slag is not easy to cause harm to the staff. Two operation ports 31 are opened on the protective plate 3. The position of the operation port 31 is opposite to the position of the support part 2. When the staff is performing weld cleaning work, the elbow passes through the operation port 31 and is placed on the support part 2 for support.

[0043] The implementation principle of the steel box beam weld cleaning auxiliary device in the embodiment of the present application is:

[0044] When cleaning the weld of the steel box girder, the support part 2 is height-adjusted by the lifting assembly 12. After the adjustment assembly 13 further adjusts the position height of the lifting plate 11, the position height can be fixed to meet the use requirements of the staff during cleaning work. By adjusting the position of the guide block 21 in the guide groove 1121, the distance between the two support parts 2 is adjusted to a suitable distance to meet the use requirements of different staff, thereby facilitating the cleaning of the weld.

[0045] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A steel box girder weld cleaning auxiliary device, comprising a support portion (2) for supporting an elbow, characterized in that: It also comprises an adjustment mechanism (1) for quickly adjusting the position and height of the support portion (2), the adjustment mechanism (1) comprising a lifting plate (11) and a lifting assembly (12) for adjusting the position and height of the lifting plate (11), and the support portion (2) is mounted on the lifting plate (11).

2. The steel box beam weld cleaning auxiliary device according to claim 1, characterized in that: The lifting assembly (12) comprises a bottom plate (121) located on a side of the lifting plate (11) away from the support portion (2); a first hinge rod (123) and a second hinge rod (124) are rotatably mounted between the bottom plate (121) and the lifting plate (11); middle sections of the first hinge rod (123) and the second hinge rod (124) are hinged to each other; one end of the second hinge rod (124) is hinged to the base, and the other end is slidably connected to the lifting plate (11); one end of the first hinge rod (123) is hinged to a first hinge seat (1231) The first hinge seat (1231) is fixed on the lifting plate (11); the other end of the first hinge rod (123) is hinged with a slider (1232); a slide groove (1211) is provided on the bottom plate (121); the slide groove (1211) is provided along the length direction of the bottom plate (121); the slider (1232) is slidably connected to the slide groove (1211); and an adjustment component (13) for adjusting the position of the slider (1232) in the slide groove (1211) is provided between the slider (1232) and the bottom plate (121).

3. The steel box beam weld cleaning auxiliary device according to claim 2, characterized in that: The adjusting assembly (13) comprises a lead screw (131) rotatably mounted in a slide groove (1211), the length direction of the lead screw (131) being parallel to the length direction of the slide groove (1211), the sliding block (1232) being sleeved on the outside of the lead screw (131) and being threadedly connected to the lead screw (131), one end of the lead screw (131) extending out of the slide groove (1211), and the adjusting assembly (13) further comprises a motor (132), the end of the lead screw (131) extending out of the slide groove (1211) being fixedly connected to the motor (132).

4. The steel box beam weld cleaning auxiliary device according to claim 1, characterized in that: The number of the support parts (2) is two, the two support parts (2) are both mounted on the lifting plate (11), and the distance between the two support parts (2) is adjustable.

5. The steel box beam weld cleaning auxiliary device according to claim 4, characterized in that: The lifting plate (11) is provided with a guide groove (1121), the guide groove (1121) being provided along the length direction of the lifting plate (11); a guide block (21) is fixed on a side of the support portion (2) close to the guide groove (1121); an end of the guide block (21) away from the support portion (2) is slidably connected to the guide groove (1121); and a fixing component (14) for fixing the position of the guide block (21) is also installed between the guide block (21) and the guide groove (1121).

6. The steel box beam weld cleaning auxiliary device according to claim 5, characterized in that: The fixing assembly (14) comprises a pressing block (141) and a connecting rod (142) fixed to the pressing block (141); an insert block (143) is fixed to one end of the connecting rod (142) away from the pressing block (141); a first socket (212) for sliding of the pressing block (141) is provided on a side wall of the guide block (21); the first socket (212) is located on the outside of the guide groove (1121); a cavity (211) for sliding of the connecting rod (142) is also provided in the pressing block (141); the connecting rod (142) is away from the pressing block (141); A spring (144) is fixed on one side, and the other end of the spring (144) is fixedly abutted against an inner wall of the cavity (211) away from the first socket (212). The side wall of the guide block (21) is also provided with a second socket (213) for the plug block (143) to slide, and the second socket (213) is located in the guide groove (1121). The lifting plate (11) is also provided with a plurality of plug-in grooves (1122) in the length direction, and the plug-in grooves (1122) are connected with the guide groove (1121), and the plug block (143) is plugged into the plug-in grooves (1122).

7. The steel box girder weld cleaning auxiliary device according to claim 1, characterized in that: A protective plate (3) made of a transparent material is also mounted on the lifting plate (11), and an operating opening (31) is provided on the protective plate (3), wherein the operating opening (31) is located opposite to the support portion (2).

8. The steel box beam weld cleaning auxiliary device according to claim 2, characterized in that: A plurality of rollers (122) are installed on a side of the bottom plate (121) close to the ground.

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