Wall surface polishing equipment for building construction

Abstract

When the wall face polishing equipment for building construction is used, the rear side face of a wall body is polished through the polishing machine, meanwhile, the rotation driving device is started, and the driving shaft of the rotation driving device drives the left end of the connecting rod to rotate in the front-back direction; the limiting block is rotatably connected with the right end of the connecting rod in the front-back direction, the limiting block can move in the limiting groove in the inclination direction of the swing rod, the swing rod is driven by the limiting block to rotate in the front-back direction with the left end of the swing rod as the circle center, and therefore the right end of the connecting rod is driven to rotate in the front-back direction with the left end of the swing rod as the circle center. Finally, the right end of the swing rod and the grinding machine connected with the swing rod rotate in the front-back direction with the left end of the swing rod as the circle center. The grinding position of the grinding machine can be conveniently adjusted, the grinding area of the grinding machine is increased, the workload of constructors is reduced, and the wall grinding efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of building construction, in particular to the technical field of wall grinding, and specifically refers to a wall grinding device for building construction. Background Art

[0002] Building construction refers to the production activities in the implementation stage of engineering construction. It is the construction process of various buildings. It can also be said to be the process of turning various lines on the design drawings into physical objects at designated locations. It includes foundation engineering construction, main structure construction, roof engineering construction, decoration engineering construction, etc.

[0003] In the process of building construction, grinding of building construction walls is often involved. For grinding of building construction walls, a wall grinding device is often required to perform grinding operations on the building construction walls.

[0004] For example, Chinese utility model patent ZL201921707593.X (CN211305772U) discloses a wall grinding device for construction, including a box body, both sides of the top of the box body are fixedly provided with hinged seats, the hinged seat on one side is hinged to the base of the first electric telescopic rod through a pin, the top of the first electric telescopic rod is fixedly provided with a support frame, one side of the fixed shell of the first electric telescopic rod is hinged to the telescopic end of the second electric telescopic rod through a hinge support, the base of the second electric telescopic rod is hinged to the hinged seat on the other side through a pin, the wall is grinded by a grinder, and the angle of the protective cover is adjusted by combining the effects of the torsion spring and the limit groove. The first electric telescopic rod is provided to facilitate the adjustment of the height of the grinder to meet the operations at different heights, and the second electric telescopic rod is provided to adjust the angle of the first electric telescopic rod and stabilize the position of the first electric telescopic rod, which is safer to operate, saves time and effort, and is more environmentally friendly.

[0005] However, the wall grinding device used in building construction often has a relatively fixed grinding position of the grinder, and the grinding position adjustment of the grinder is not convenient. When grinding the wall of the building construction, the staff needs to constantly adjust the position of the grinder, which increases the workload of the construction staff and reduces the efficiency of wall grinding.

[0006] Therefore, it is hoped to provide a wall grinding equipment for construction, which can conveniently adjust the grinding position of the grinder, increase the grinding area of ​​the grinder, reduce the workload of construction workers, and improve the efficiency of wall grinding. Utility Model Content

[0007] In order to overcome the shortcomings of the above-mentioned prior art, one purpose of the utility model is to provide a wall grinding equipment for construction, which can conveniently adjust the grinding position of the grinder, increase the grinding area of ​​the grinder, reduce the workload of construction personnel, improve the efficiency of wall grinding, and is suitable for large-scale promotion and application.

[0008] Another object of the utility model is to provide a wall grinding device for building construction, which has ingenious design, simple structure, simple manufacturing, low manufacturing cost, and is suitable for large-scale promotion and application.

[0009] In order to achieve the above purpose, the utility model provides a wall grinding device for construction, including a device body and a grinder, wherein the wall grinding device for construction also includes a fixed plate and a swing mechanism, wherein:

[0010] The fixing plate is arranged vertically and on the top of the device body in the left-right direction;

[0011] The swing mechanism includes a swing rod, a limit block, a connecting rod and a rotation driving device, the swing rod is tilted along the left and right directions and is located in front of the fixed plate, the left end of the swing rod is lower than the right end of the swing rod and is rotatably connected to the top of the device body around the front and back directions, the grinder is located in front of the right end of the swing rod and is installed on the right end of the swing rod and is arranged forward, the swing rod is provided with a limit slot along the front and back directions, the limit slot is a long strip slot, the long strip slot is extended along the tilt direction of the swing rod, the limit block is movably arranged in the limit slot along the tilt direction of the swing rod, the connecting rod is tilted along the left and right directions and is located in front of the fixed plate, the left end of the connecting rod is higher than the right end of the connecting rod, the rotation driving device is installed on the fixed plate, the driving shaft of the rotation driving device is arranged along the front and back directions and connected to the left end of the connecting rod for driving the left end of the connecting rod to rotate around the front and back directions, and the right end of the connecting rod is located behind the limit block and is rotatably connected to the limit block around the front and back directions.

[0012] Preferably, the rotation driving device is a driving motor.

[0013] Preferably, the rotation drive device is located behind and installed on the rear side of the fixed plate, and the driving shaft of the rotation drive device passes through the fixed plate along the front-to-back direction and is rotatable relative to the fixed plate around the front-to-back direction.

[0014] Preferably, the device body is in the shape of a rectangular parallelepiped, and the device body is arranged vertically and along the left-right direction.

[0015] Preferably, the wall grinding equipment for construction also includes a base plate and rollers, the rollers are vertically rotatable, there are multiple rollers, the multiple rollers are horizontally spaced apart from each other, the base plate is horizontally arranged and arranged on the rollers along the left and right direction, and the device body is arranged on the base plate.

[0016] More preferably, the number of the rollers is 4, and the 4 rollers are distributed at the 4 corners of a rectangle.

[0017] Preferably, the wall grinding equipment for construction further comprises a dust collecting box, a left slider, a right slider, an adjusting rod and an adjusting driving device, the left slider and the right slider are arranged at intervals from each other on the left and right sides and are both located in front of the device body and are movably connected to the device body along the left and right directions, the adjusting rod is arranged along the left and right directions and is located in front of the device body, a left thread and a right thread are respectively arranged on the outer side surface of the adjusting rod along the left and right directions, the left thread and the right thread are arranged at intervals from each other on the left and right sides, the thread rotation direction of the left thread and the thread rotation direction of the right thread are oppositely arranged, the left slider and the right slider are both sleeved on the adjusting rod and are respectively threadedly engaged with the left thread The screw thread and the right screw thread, the adjustment drive device is installed on the device body and connected to the adjustment rod to drive the adjustment rod to rotate around the left and right directions, the dust collecting box is horizontally arranged and arranged along the left and right directions, the top of the dust collecting box is an opening, the dust collecting box includes a left part and a right part of a box body, the left part of the box body and the right part of the box body are both horizontally arranged and arranged along the left and right directions, the right end of the left part of the box body is movably inserted into the left end of the right part of the box body along the left and right directions, the left part of the box body and the right part of the box body are respectively located in front of the left slider and the right slider and are respectively connected to the left slider and the right slider, and the right part of the box body is located below the grinder.

[0018] More preferably, the adjustment drive device is a drive motor.

[0019] More preferably, the front side of the device body is respectively provided with a left slide groove and a right slide groove along the left and right directions, the left slide groove and the right slide groove are respectively spaced apart from each other, and the left slider and the right slider are respectively movably arranged in the left slide groove and the right slide groove along the left and right directions.

[0020] More preferably, the left end of the right part of the box body is provided with a slot along the left-right direction, and the right end of the left part of the box body is movably inserted into the slot along the left-right direction.

[0021] The beneficial effects of the utility model are mainly:

[0022] 1. When the wall grinding device for construction of the present invention is used, the rear side of the wall is grinded by the grinder, and the rotating drive device is started at the same time, and the driving shaft of the rotating drive device drives the left end of the connecting rod to rotate in the front-rear direction, thereby driving the right end of the connecting rod to rotate in the front-rear direction with the left end of the connecting rod as the center. Since the limit block is rotatably connected to the right end of the connecting rod in the front-rear direction and the limit block is movable in the limit groove along the inclination direction of the swing arm, the swing arm is driven by the limit block to rotate in the front-rear direction with the left end of the swing arm as the center, and finally the right end of the swing arm and the grinder connected thereto are rotated in the front-rear direction with the left end of the swing arm as the center. Therefore, it is convenient to adjust the grinding position of the grinder, increase the grinding area of ​​the grinder, reduce the workload of construction personnel, improve the efficiency of wall grinding, and is suitable for large-scale promotion and application.

[0023] 2. When the wall grinding device for construction of the utility model is used, the rear side of the wall is grinded by the grinder, and the rotation driving device is started at the same time. The driving shaft of the rotation driving device drives the left end of the connecting rod to rotate in the front-to-back direction, thereby driving the right end of the connecting rod to rotate in the front-to-back direction with the left end of the connecting rod as the center. Since the limit block is rotatably connected to the right end of the connecting rod in the front-to-back direction and the limit block is movable in the limit groove along the inclination direction of the swing rod, the swing rod is driven by the limit block to rotate in the front-to-back direction with the left end of the swing rod as the center, and finally the right end of the swing rod and the grinder connected thereto are rotated in the front-to-back direction with the left end of the swing rod as the center. Therefore, the design is ingenious, the structure is simple, the manufacturing is simple, the manufacturing cost is low, and it is suitable for large-scale promotion and application.

[0024] These and other objects, features and advantages of the present invention are fully reflected in the following detailed description and drawings, and can be achieved by the means, devices and their combinations specifically pointed out in the content of the utility model. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 This is a three-dimensional schematic diagram of a specific embodiment of the wall grinding equipment for construction of the utility model. Figure 1 .

[0026] Figure 2 yes Figure 1 The three-dimensional schematic diagram of the specific embodiment shown Figure 2 .

[0027] Figure 3 yes Figure 1 The illustrated embodiment is a partial perspective schematic diagram of the components of the device body, the grinder, the fixing plate and the swing mechanism.

[0028] Figure 4 yes Figure 1The illustrated embodiment is a partial three-dimensional schematic diagram of the components of the device body, the dust collecting box, the left slider, the right slider, the adjustment rod and the adjustment drive device.

[0029] Figure 5 yes Figure 1 The specific embodiment shown is a partial three-dimensional schematic diagram of the components of the device body, the left part of the box body, the left slider, the adjustment rod and the adjustment drive device.

[0030] (Explanation of symbols)

[0031] 1 device body; 2 grinder; 3 fixed plate; 4 swing mechanism; 5 swing rod; 6 limit block; 7 connecting rod; 8 rotation drive device; 9 limit groove; 10 bottom plate; 11 roller; 12 dust box; 13 left slider; 14 right slider; 15 adjustment rod; 16 adjustment drive device; 17 opening; 18 left part of box body; 19 right part of box body; 20 left slide groove; 21 slot. DETAILED DESCRIPTION

[0032] In order to more clearly understand the technical content of the present invention, the following embodiments are given in detail.

[0033] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.

[0034] See also Figure 1 to Figure 5 As shown, in a specific embodiment of the utility model, the wall grinding device for construction of the utility model comprises a device body 1, a grinder 2, a fixing plate 3 and a swing mechanism 4, wherein:

[0035] The fixing plate 3 is arranged vertically and on the top of the device body 1 along the left-right direction;

[0036] The swing mechanism 4 includes a swing rod 5, a limit block 6, a connecting rod 7 and a rotation drive device 8. The swing rod 5 is tilted along the left-right direction and is located in front of the fixed plate 3. The left end of the swing rod 5 is lower than the right end of the swing rod 5 and is rotatably connected to the top of the device body 1 around the front-back direction. The grinder 2 is located in front of the right end of the swing rod 5 and is installed on the right end of the swing rod 5 and is arranged forward. The swing rod 5 is provided with a limit groove 9 along the front-back direction. The limit groove 9 is a long strip groove, and the long strip groove is extended along the tilt direction of the swing rod 5. The limit block 6 is movably arranged in the limit groove 9 along the tilting direction of the swing rod 5, the connecting rod 7 is tilted along the left-right direction and is located in front of the fixed plate 3, the left end of the connecting rod 7 is higher than the right end of the connecting rod 7, the rotation drive device 8 is installed on the fixed plate 3, the driving shaft of the rotation drive device 8 is arranged along the front-to-back direction and connected to the left end of the connecting rod 7 for driving the left end of the connecting rod 7 to rotate around the front-to-back direction, and the right end of the connecting rod 7 is located behind the limit block 6 and is rotatably connected to the limit block 6 around the front-to-back direction.

[0037] The rotation driving device 8 can be any suitable driving device. In a specific embodiment of the present invention, the rotation driving device 8 is a driving motor.

[0038] The rotation drive device 8 is mounted on the fixing plate 3 and can be mounted at any suitable position of the fixing plate 3. Figure 1 to Figure 3 As shown, in a specific embodiment of the present utility model, the rotation driving device 8 is located behind the rear side of the fixed plate 3 and is installed on the rear side of the fixed plate 3, and the driving shaft of the rotation driving device 8 passes through the fixed plate 3 along the front-to-back direction and is rotatable relative to the fixed plate 3 around the front-to-back direction.

[0039] The device body 1 can have any suitable shape, see Figure 1-2 As shown, in a specific embodiment of the present utility model, the device body 1 is in a rectangular shape, and the device body 1 is arranged vertically and along the left-right direction.

[0040] The wall grinding equipment for building construction may also include any other suitable components, see Figure 1-2 As shown, in a specific embodiment of the utility model, the wall grinding equipment for construction also includes a base plate 10 and a roller 11, the roller 11 is vertically rotatable, the number of the rollers 11 is multiple, and the multiple rollers 11 are horizontally spaced apart from each other, the base plate 10 is horizontally arranged and arranged on the rollers 11 along the left and right direction, and the device body 1 is arranged on the base plate 10.

[0041] The number of the rollers 11 can be determined as required. The above-mentioned "multiple" means more than 2. Figure 1-2 As shown, in a specific embodiment of the present utility model, the number of the rollers 11 is 4, and the 4 rollers 11 are distributed at the 4 corners of a rectangle.

[0042] The bottom plate 10 may have any suitable shape. Figure 1-2 As shown, in a specific embodiment of the present invention, the bottom plate 10 is a rectangular plate.

[0043] The wall grinding equipment for building construction may also include any other suitable components, see Figure 1-2 and Figure 4-5 As shown, in a specific embodiment of the utility model, the wall grinding equipment for construction also includes a dust box 12, a left slider 13, a right slider 14, an adjusting rod 15 and an adjusting drive device 16, the left slider 13 and the right slider 14 are arranged at intervals from each other on the left and right and are both located in front of the device body 1 and are movably connected to the device body 1 along the left and right directions, the adjusting rod 15 is arranged along the left and right directions and is located in front of the device body 1, and the outer surface of the adjusting rod 15 is respectively provided with a left thread (not shown in the figure) and a right thread (not shown in the figure) along the left and right directions, the left thread and the right thread are arranged at intervals from each other on the left and right, the thread rotation direction of the left thread and the thread rotation direction of the right thread are oppositely arranged, the left slider 13 and the right slider 14 are both sleeved on the adjusting rod 15 and are respectively The thread engages the left thread and the right thread, the adjustment drive device 16 is installed on the device body 1 and connected to the adjustment rod 15 to drive the adjustment rod 15 to rotate around the left and right directions, the dust box 12 is horizontally arranged and arranged along the left and right directions, the top of the dust box 12 is an opening 17, the dust box 12 includes a left box body 18 and a right box body 19, the left box body 18 and the right box body 19 are both horizontally arranged and arranged along the left and right directions, the right end of the left box body 18 is movably inserted into the left end of the right box body 19 along the left and right directions, the left box body 18 and the right box body 19 are respectively located before the left slider 13 and the right slider 14 and are respectively connected to the left slider 13 and the right slider 14, and the right box body 19 is located below the grinder 2. That is, the dust collecting box 12 is a left-right retractable dust collecting box formed by movably inserting the right end of the left part 18 of the box body into the left end of the right part 19 of the box body in the left-right direction.

[0044] The adjusting driving device 16 can be any suitable driving device. In a specific embodiment of the present invention, the adjusting driving device 16 is a driving motor.

[0045] The left slider 13 and the right slider 14 are both located in front of the device body 1 and are both movably connected to the device body 1 along the left and right directions. Any suitable structure may be adopted. Figure 5 As shown, in a specific embodiment of the utility model, the front side surface of the device body 1 is respectively provided with a left slide groove 20 and a right slide groove (not shown in the figure) along the left and right directions, the left slide groove 20 and the right slide groove are respectively spaced apart from each other, and the left slider 13 and the right slider 14 are respectively movably arranged in the left slide groove 20 and the right slide groove along the left and right directions.

[0046] The right end of the left part 18 of the box body is movably inserted into the left end of the right part 19 of the box body along the left-right direction, and any suitable structure can be adopted. Figure 1-2 As shown, in a specific embodiment of the present invention, a slot 21 is provided at the left end of the right part 19 of the box body along the left-right direction, and the right end of the left part 18 of the box body is movably inserted into the slot 21 along the left-right direction.

[0047] The dust collecting box 12 may have any suitable shape. Figure 1-2 and Figure 4-5 As shown, in a specific embodiment of the utility model, the dust box 12 is in the shape of a cuboid, that is, the outer contour of the cross section of the dust box 12 is a rectangle, and accordingly, the left part 18 of the box body and the right part 19 of the box body are also in the shape of a cuboid, that is, the outer contour of the cross section of the left part 18 of the box body and the outer contour of the cross section of the right part 19 of the box body are also rectangular, and the slot 21 is in an inverted Π shape, or a U shape.

[0048] When in use, taking the need to grind the rear side of a wall that is arranged vertically and in the left-right direction as an example, the utility model is moved to the rear side of the wall by the roller 11 (if the roller 11 exists), and then the utility model is moved forward so that the grinder 2 is against the rear side of the wall, and then the grinder 2 is started to grind the rear side of the wall, and at the same time, the rotation drive device 8 is started, and the left end of the connecting rod 7 is driven to rotate in the front-to-back direction by the driving shaft of the rotation drive device 8, thereby driving the right end of the connecting rod 7 to rotate in the front-to-back direction with the left end of the connecting rod 7 as the center. Since the limit block 6 is rotatably connected to the right end of the connecting rod 7 about the front-to-back direction and the limit block 6 is movable in the limit groove 9 along the tilting direction of the swing rod 5, the limit block 6 drives the swing rod 5 to rotate about the left end of the swing rod 5 as the center, and finally the right end of the swing rod 5 and the grinder 2 connected thereto rotate about the left end of the swing rod 5 as the center, thereby increasing the grinding area of ​​the grinder 2, improving the grinding efficiency of the wall, and realizing the control operation of improving the wall grinding efficiency when grinding the wall of the construction by the wall grinding equipment.

[0049] In the presence of the dust box 12, the left slider 13, the right slider 14, the adjustment rod 15 and the adjustment drive device 16, when the length of the dust box 12 needs to be adjusted, the adjustment rod 15 is driven to rotate in the left and right directions by the adjustment drive device 16. Since the thread rotation direction of the left thread and the thread rotation direction of the right thread are opposite, the left slider 13 and the right slider 14 are moved closer to or farther away from each other, and then the left part 18 and the right part 19 of the box body are moved closer to or farther away from each other, so that the length of the dust box 12 is shortened and extended, so that the length of the dust box 12 can be adjusted according to the swing range of the grinder 2, thereby improving the effect of collecting wall grinding dust, and realizing control operations to improve the convenience of collecting wall grinding dust when grinding the construction wall by the wall grinding equipment.

[0050] Compared with the prior art, the utility model has the following beneficial effects:

[0051] 1. The utility model is provided with a fixed plate and a swing mechanism. When the wall surface of a building construction is polished by the wall surface polishing equipment, the swing mechanism can drive the grinder to swing, thereby increasing the polishing area of ​​the grinder and improving the polishing efficiency of the wall surface. When the wall surface polishing equipment is used to polish the wall surface of the building construction, a control operation to improve the wall surface polishing efficiency is realized.

[0052] 2. The utility model arranges a dust box, a left slider, a right slider, an adjusting rod and an adjusting drive device. The adjusting rod and the adjusting drive device make the left slider and the right slider move closer to or farther away from each other, and then make the left part of the box body and the right part of the box body move closer to or farther away from each other, so as to adjust the length of the dust box to adapt to the swing range of the grinder, improve the effect of collecting wall grinding dust, and realize control operation to improve the convenience of collecting wall grinding dust when grinding the wall of the construction by the wall grinding equipment.

[0053] In summary, the wall grinding equipment for construction of the utility model can conveniently adjust the grinding position of the grinder, increase the grinding area of ​​the grinder, reduce the workload of construction personnel, and improve the efficiency of wall grinding. It has a clever design, a simple structure, and is easy to manufacture and has a low manufacturing cost, and is suitable for large-scale promotion and application.

[0054] It can be seen that the purpose of the utility model has been completely and effectively achieved. The function and structural principle of the utility model have been demonstrated and explained in the embodiments. Without departing from the principles, the implementation methods can be modified arbitrarily. Therefore, the utility model includes all modified implementation methods based on the spirit and scope of the claims.

Claims

1. A wall grinding device for construction, comprising a device body and a grinder, characterized in that: The wall grinding equipment for building construction also includes a fixed plate and a swing mechanism, wherein: The fixing plate is arranged vertically and on the top of the device body in the left-right direction; The swing mechanism includes a swing rod, a limit block, a connecting rod and a rotation driving device, the swing rod is tilted along the left and right directions and is located in front of the fixed plate, the left end of the swing rod is lower than the right end of the swing rod and is rotatably connected to the top of the device body around the front and back directions, the grinder is located in front of the right end of the swing rod and is installed on the right end of the swing rod and is arranged forward, the swing rod is provided with a limit slot along the front and back directions, the limit slot is a long strip slot, the long strip slot is extended along the tilt direction of the swing rod, the limit block is movably arranged in the limit slot along the tilt direction of the swing rod, the connecting rod is tilted along the left and right directions and is located in front of the fixed plate, the left end of the connecting rod is higher than the right end of the connecting rod, the rotation driving device is installed on the fixed plate, the driving shaft of the rotation driving device is arranged along the front and back directions and connected to the left end of the connecting rod for driving the left end of the connecting rod to rotate around the front and back directions, and the right end of the connecting rod is located behind the limit block and is rotatably connected to the limit block around the front and back directions.

2. The wall grinding equipment for construction as claimed in claim 1, characterized in that: The rotation driving device is a driving motor.

3. The wall grinding equipment for construction as claimed in claim 1, characterized in that: The rotation drive device is located behind the rear side of the fixing plate and is installed on the rear side of the fixing plate. The driving shaft of the rotation drive device passes through the fixing plate along the front-to-back direction and is rotatable relative to the fixing plate around the front-to-back direction.

4. The wall grinding equipment for construction as claimed in claim 1, characterized in that: The device body is in a rectangular shape and is arranged vertically and along the left-right direction.

5. The wall grinding equipment for construction as claimed in claim 1, characterized in that: The wall grinding equipment for construction also includes a base plate and rollers. The rollers are vertically rotatable. There are multiple rollers, and the multiple rollers are horizontally spaced apart from each other. The base plate is horizontally arranged and arranged on the rollers along the left and right direction, and the device body is arranged on the base plate.

6. The wall grinding equipment for construction as claimed in claim 5, characterized in that: The number of the rollers is 4, and the 4 rollers are distributed at the 4 corners of a rectangle.

7. The wall grinding equipment for construction as claimed in claim 1, characterized in that: The wall grinding equipment for construction also includes a dust collection box, a left slider, a right slider, an adjustment rod and an adjustment drive device. The left slider and the right slider are arranged at intervals from each other on the left and right and are both located in front of the device body and are movably connected to the device body along the left and right directions. The adjustment rod is arranged along the left and right directions and is located in front of the device body. The outer surface of the adjustment rod is respectively provided with a left thread and a right thread along the left and right directions. The left thread and the right thread are arranged at intervals from each other on the left and right. The thread rotation direction of the left thread and the thread rotation direction of the right thread are oppositely arranged. The left slider and the right slider are both sleeved on the adjustment rod and are respectively threadedly engaged with the left thread and the right thread, the adjusting drive device is installed in the device body and connected to the adjusting rod for driving the adjusting rod to rotate around the left and right directions, the dust collecting box is horizontally arranged and arranged along the left and right directions, the top of the dust collecting box is an opening, the dust collecting box comprises a left part and a right part of a box body, the left part of the box body and the right part of the box body are both horizontally arranged and arranged along the left and right directions, the right end of the left part of the box body is movably inserted into the left end of the right part of the box body along the left and right directions, the left part of the box body and the right part of the box body are respectively located in front of the left slider and the right slider and are respectively connected to the left slider and the right slider, and the right part of the box body is located below the grinder.

8. The wall grinding equipment for construction as claimed in claim 7, characterized in that: The adjusting drive device is a drive motor.

9. The wall grinding equipment for construction as claimed in claim 7, characterized in that: The front side surface of the device body is respectively provided with a left slide groove and a right slide groove along the left and right directions, the left slide groove and the right slide groove are respectively spaced apart from each other, and the left slider and the right slider are respectively movably provided in the left slide groove and the right slide groove along the left and right directions.

10. The wall grinding equipment for construction as claimed in claim 7, characterized in that: The left end of the right part of the box body is provided with a slot along the left-right direction, and the right end of the left part of the box body can be movably inserted in the slot along the left-right direction.

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