Wall surface scabbling device for narrow vertical tubular space and scabbling construction method

Abstract

The invention relates to a wall surface scabbling device for a narrow vertical tubular space and a construction method, and belongs to the technical field of scabbling construction. The wall surface scabbling device comprises a top supporting frame, an inner supporting frame, a rotating frame and scabbling operation equipment, the top supporting frame is used for transversely supporting the top of a to-be-scabbled component with a vertical tubular space; the inner supporting frame is used for being supported in the vertical tubular space, and the inner supporting frame is connected to the top supporting frame through a lifting assembly so as to ascend and descend relative to the top supporting frame in the vertical tubular space; the rotating frame is rotationally connected to the inner supporting frame through the rotating assembly and rotates relative to the inner supporting frame with the axis of the inner supporting frame as the axis. The scabbling operation equipment is installed on the rotating frame and faces the wall face of the vertical tubular space, and the scabbling operation equipment rotates along with the rotating frame so as to change the operation position in the circumferential direction. The scabbling device can replace manpower to carry out wall scabbling construction in a narrow vertical tubular space, the construction efficiency is high, and the risk is low.

Description

Technical Field

[0001] The present invention belongs to the technical field of scarifying construction, and particularly relates to a wall scarifying device and a scarifying construction method for a narrow vertical tubular space. Background Art

[0002] In the field of construction, there are sometimes working conditions that require scarifying construction on the wall of a narrow vertical tubular space. For example: in the construction of an assembled bridge pier composed of multiple precast pier columns connected in sequence from top to bottom, since the precast pier columns of the assembled bridge pier need to be inserted and assembled later, and then bonded by pouring concrete or mortar, therefore, during the production of the precast pier columns, after precasting is completed, it is necessary to scarify the wall of the assembly inner hole of the precast pier column. The diameter of the assembly inner hole of the precast pier column is generally 2 - 3m, and the height is generally 3 - 6m, which belongs to a narrow vertical tubular working space. In addition, in some vertical pipe fittings, there are sometimes working conditions that require scarifying construction on the wall of a narrow vertical tubular space.

[0003] Currently, for scarifying the wall of a narrow vertical tubular space, manual scarifying is usually adopted. The operator is suspended in the narrow vertical tubular space by a suspension rope and leans against the wall. The operator holds a scarifying device to perform scarifying operations on the wall of the narrow vertical tubular space, and changes the working position by moving up and down along the suspension rope to perform scarifying at several different height positions from bottom to top on the wall. Scarifying construction on the wall of a narrow vertical tubular space usually requires multiple operators to construct at different circumferential positions in the narrow vertical tubular space to complete the scarifying operation of the entire wall. However, the above-mentioned scarifying construction method for the wall of a narrow vertical tubular space has low construction efficiency, high cost, is not conducive to construction quality control, and moreover, the operator needs to suspend and construct, which has a relatively high construction risk. The working environment in the narrow vertical tubular space is poor and polluted, affecting the physical health of the operator.

[0004] Therefore, how to provide a special scarifying device that can be applied to scarifying construction on the wall of a narrow vertical tubular space to improve construction efficiency and reduce construction risk is a technical problem that urgently needs to be solved at present. Summary of the Invention

[0005] In view of the above technical problems, the present invention provides a wall scarifying device and a construction method for a narrow vertical tubular space. The scarifying device can replace manual work to perform wall scarifying construction in a narrow vertical tubular space, with high construction efficiency and low risk.

[0006] The present invention provides a wall scarifying device for a narrow vertical tubular space, comprising:

[0007] A top support frame for horizontally supporting on the top of a to-be-scarified working member having a vertical tubular space;

[0008] An inner support frame is used to support in a vertical tubular space. The inner support frame is connected to the top support frame through a lifting assembly to lift relative to the top support frame in the vertical tubular space. The inner support frame has an axis arranged vertically.

[0009] A rotating frame is rotatably connected to the inner support frame through a rotating assembly. The rotating frame rotates relative to the inner support frame with the axis of the inner support frame as the axis.

[0010] A roughening operation device is installed on the rotating frame and faces the wall surface of the vertical tubular space. The roughening operation device rotates with the rotating frame to change the operation position in the circumferential direction.

[0011] In some embodiments, the inner support frame includes an inner support frame body and a plurality of support rods; the inner support frame body has an axis, the inner support frame body is connected to the top support frame through a lifting assembly and is rotatably connected to the rotating frame; the plurality of support rods are installed on the outer periphery of the inner support frame body at intervals along the circumferential direction of the inner support frame body, and the end of the support rod far from the inner support frame body is used to abut against the wall surface of the vertical tubular space, and the support rod expands and contracts along the radial direction of the inner support frame body.

[0012] In some embodiments, the inner support frame body includes a columnar main body portion and an annular flange portion protruding from the outer peripheral surface of the main body portion. The annular flange portion and the main body portion are coaxially arranged, and the main body portion is connected to the top support frame through a lifting assembly; the rotating frame is circular, the rotating frame is sleeved outside the main body portion of the inner support frame body and is supported on the annular flange portion, the rotating frame rotates relative to the main body portion with the axis of the main body portion as the axis, and the rotating assembly is connected between the rotating frame and the main body portion; the support rods are installed on the outer periphery of the annular flange portion.

[0013] In some embodiments, the rotating assembly includes a gear and a toothed ring that mesh with each other, and a rotating drive motor for driving the gear to rotate; the toothed ring is fixedly installed on the inner wall of the rotating frame, the rotating drive motor is fixedly installed on the outer periphery of the main body portion, and the gear is installed on the output shaft of the rotating drive motor.

[0014] In some embodiments, a circular track is provided on the top surface of the annular flange portion or the outer periphery of the main body portion, and the rotating frame is provided with a track groove that cooperates with the track. The track is received in the track groove and is in sliding cooperation with the track groove.

[0015] In some embodiments, the lifting assembly includes a suspension rope for connecting the inner support frame and a winding device for winding and unwinding the suspension rope. The winding device is fixedly installed on the top support frame.

[0016] In some embodiments, the top support frame has an outer edge portion surrounding the outer periphery of the top of the component to be roughened. The outer edge portion is provided with a tightening member for abutting against the outer periphery of the component to be roughened to fixedly install the top support frame on the component to be roughened. The tightening member is threadedly connected to the outer edge portion.

[0017] In some embodiments, the scarifying operation device includes a scarifying air gun, and the scarifying air gun is connected to an external air source through an air inlet pipe.

[0018] In some embodiments, the wall scarifying device for a narrow vertical tubular space further includes a controller and a positioning device for obtaining the real-time position of the scarifying operation device; the controller is respectively communicatively connected to the positioning device, the lifting assembly, and the rotating assembly to respectively control the actions of the lifting assembly and the rotating assembly according to the real-time position of the scarifying operation device obtained by the positioning device; the controller is also communicatively connected to the scarifying operation device to control the scarifying operation device to perform the scarifying operation.

[0019] In addition, the present invention also provides a method for scarifying the wall surface of a narrow vertical tubular space. The wall scarifying device for a narrow vertical tubular space described in any of the above technical solutions is used for construction, including the following steps:

[0020] S1 Overall hoisting: Hoist the wall scarifying device as a whole to the top of the component to be scarified, so that the top support frame is horizontally supported on the top of the component to be scarified, the inner support frame is located in the vertical tubular space of the component to be scarified, and the scarifying operation device faces the wall surface of the vertical tubular space; during hoisting, the inner support frame is at the highest position close to the top support frame.

[0021] S2 Fixing of the top support frame: Fix the top support frame to the top of the component to be scarified.

[0022] S3 Placement of the inner support frame: Adjust the height of the inner support frame in the vertical tubular space through the lifting assembly so that the inner support frame is in place at the operation height of the scarifying operation.

[0023] S4 Placement of the scarifying operation device: Drive the rotating frame through the rotating assembly to drive the scarifying operation device to rotate relative to the inner support frame so that the scarifying operation device is in place at an operation position at the current operation height.

[0024] S5 Scarifying operation: Start the scarifying operation device to perform the scarifying operation at the current operation position. After the scarifying operation at the current operation position is completed, turn off the scarifying operation device. Drive the rotating frame to rotate successively through the rotating assembly so that the scarifying operation device is in place at the next operation position in the circumferential direction in turn. Start the scarifying operation device to perform the scarifying operation after each placement of the scarifying operation device.

[0025] Repeat steps S3 - S5 until the construction of all scarifying operation positions on the wall surface of the vertical tubular space is completed. Drive the inner support frame to rise to the highest position close to the top support frame through the lifting assembly, release the fixed connection between the top support frame and the component to be scarified, and hoist the wall scarifying device as a whole away from the component to be scarified.

[0026] Compared with the prior art, the advantages and beneficial effects of the present invention are as follows:

[0027] 1. The wall roughening device for narrow vertical tubular spaces provided by the present invention can, through the top support frame, inner support frame, rotating frame and roughening operation equipment, replace manual labor to perform wall roughening construction in the vertical tubular spaces of components to be roughened with narrow vertical tubular spaces such as precast pier columns of assembled bridges or large pipe fittings, significantly improving the efficiency of roughening construction, and without the need for operators to enter the narrow vertical tubular spaces for operation, effectively reducing the construction risk.

[0028] 2. The wall roughening device for narrow vertical tubular spaces provided by the present invention adjusts the operation height of the roughening operation equipment by driving the lifting of the inner support frame through the lifting assembly, and adjusts the circumferential operation position of the roughening operation equipment by driving the rotation of the rotating frame relative to the inner support frame through the rotation assembly. Thus, the operation position of the roughening operation equipment can be accurately controlled, which is beneficial to controlling the construction quality. Moreover, by continuously adjusting the operation position of the roughening operation equipment, continuous roughening operation can be achieved.

[0029] 3. The wall roughening construction method for narrow vertical tubular spaces provided by the present invention uses the wall roughening device for narrow vertical tubular spaces to perform roughening construction, which can be applied to components to be roughened with narrow vertical tubular spaces such as precast pier columns of assembled bridges or large pipe fittings, with high construction efficiency, significantly shortening the construction period of roughening construction. Moreover, without the need for operators to enter the narrow vertical tubular spaces for operation, the construction risk is significantly reduced. Description of the Drawings

[0030] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of this application. The schematic embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation to the present invention. In the drawings:

[0031] Figure 1 is a schematic structural diagram of the wall roughening device for narrow vertical tubular spaces provided by an embodiment of the present invention;

[0032] Figure 2 is a schematic structural diagram of the inner support frame in the wall roughening device for narrow vertical tubular spaces provided by an embodiment of the present invention;

[0033] Figure 3 is a schematic structural diagram of the rotating frame in the wall roughening device for narrow vertical tubular spaces provided by an embodiment of the present invention;

[0034] Figure 4 is a schematic assembly structural diagram of the inner support frame, rotating frame and rotation assembly in the wall roughening device for narrow vertical tubular spaces provided by an embodiment of the present invention;

[0035] Figure 5 It is the assembly top view of the inner support frame, gear, gear ring and rotating frame in the wall roughening device for narrow vertical tubular spaces provided by the embodiments of the present invention;

[0036] Figure 6 For Figure 1 The enlarged view of part A in

[0037] Figure 7 It is the control block diagram of the controller in the wall roughening device for narrow vertical tubular spaces provided by the embodiments of the present invention;

[0038] Figure 8 It is the construction process diagram of the wall roughening construction method for narrow vertical tubular spaces provided by the embodiments of the present invention.

[0039] In the figure:

[0040] 1. Component to be roughened; 2. Wall roughening device;

[0041] 11. Vertical tubular space; 12. Pit;

[0042] 21. Top support frame; 211. Outer edge part; 212. Tightening part; 22. Inner support frame; 221. Inner support frame body; 2211. Main body part; 2212. Annular flange part; 2213. Track; 222. Support rod; 23. Rotating frame; 231. Track groove; 232. Installation cavity; 24. Roughening operation equipment; 241. Roughening air gun; 242. Air inlet pipe; 25. Lifting assembly; 251. Retracting and releasing equipment; 252. Suspension rope; 26. Rotating assembly; 261. Gear ring; 262. Rotation driving motor; 263. Gear; 27. Controller; 28. Positioning equipment. Detailed implementation manners

[0043] Next, the technical solutions in the embodiments will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0044] In the description of the present invention, it should be understood that the orientation or positional relationships indicated by the terms "center", "upper", "lower", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. are based on the orientation or positional relationships shown in the 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 orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present invention.

[0045] In the description of the present invention, it should be noted that unless otherwise clearly specified and defined, the terms "installation", "connection", and "coupling" should be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or an integral connection; it may be a direct connection or an indirect connection through an intermediate medium, and it may be the communication inside two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0046] As shown in the Figure 1 accompanying drawings, in a schematic embodiment of the wall roughening device 2 for a narrow vertical tubular space of the present invention, the wall roughening device 2 for a narrow vertical tubular space includes a top support frame 21, an inner support frame 22, a rotating frame 23, and a wall roughening operation device 24. The top support frame 21 is used for horizontally supporting on the top of the component 1 to be roughened with a vertical tubular space 11. The inner support frame 22 is used for supporting in the vertical tubular space 11 of the component 1 to be roughened. The inner support frame 22 is connected to the top support frame 21 through a lifting assembly 25 to lift relative to the top support frame 21 in the vertical tubular space 11. The inner support frame 22 has an axis arranged vertically. The rotating frame 23 is rotatably connected to the inner support frame 22 through a rotating assembly 26, and the rotating frame 23 rotates relative to the inner support frame 22 with the axis of the inner support frame 22 as the axis. The wall roughening operation device 24 is installed on the rotating frame 23 and faces the wall of the vertical tubular space 11. The wall roughening operation device 24 rotates with the rotating frame 23 to change the operation position in the circumferential direction. It should be noted that the component 1 to be roughened with a vertical tubular space 11 may be an assembled bridge pier precast pier column or a large pipe fitting, etc.

[0047] The working principle of the above-mentioned wall roughening device 2 for a narrow vertical tubular space is as follows: The inner support frame 22 is hung in the vertical tubular space 11 of the component 1 to be roughened through the top support frame 21. The inner support frame 22 carries the rotating frame 23, and the wall roughening operation device 24 is carried on the rotating frame 23. Thus, the inner support frame 22 is supported in the vertical tubular space 11, so that the wall roughening operation device 24 carried on the inner support frame 22 is fixed at a preset operation height for roughening operation. The lifting assembly 25 is used to drive the inner support frame 22 to drive the rotating frame 23 and the wall roughening operation device 24 to lift together in the vertical tubular space 11, so as to realize the adjustment of the operation height of the wall roughening operation device 24. The rotating assembly 26 is used to drive the rotating frame 23 to drive the wall roughening operation device 24 to rotate relative to the inner support frame 22, so as to realize the adjustment of the wall roughening operation position of the wall roughening operation device 24 in the circumferential direction.

[0048] The above wall roughening device 2 for narrow vertical tubular spaces can, through the top support frame 21, inner support frame 22, rotating frame 23, and roughening operation equipment 24, replace manual labor to perform wall roughening construction in the vertical tubular space 11 of the component 1 to be roughened, such as a precast pier column of an assembled bridge pier or a large pipe fitting, etc., with a narrow vertical tubular space 12. It can significantly improve the efficiency of roughening construction, and there is no need for operators to enter the narrow vertical tubular space 11 for operation, effectively reducing the construction risk. At the same time, for the above wall roughening device 2 for narrow vertical tubular spaces, the lifting of the inner support frame 22 is driven by the lifting component 25 to adjust the operation height of the roughening operation equipment 24, and the rotation of the rotating frame 23 relative to the inner support frame 22 is driven by the rotation component 26 to adjust the operation position of the roughening operation equipment 24 in the circumferential direction. Thus, the operation position of the roughening operation equipment 24 can be accurately controlled, which is beneficial to controlling the construction quality. And by continuously adjusting the operation position of the roughening operation equipment 24, continuous roughening operation can be achieved.

[0049] As Figure 2 shown, the inner support frame 22 includes an inner support frame body 221 and multiple support rods 222; the inner support frame body 221 has an axis, the inner support frame body 221 is connected to the top support frame 21 through the lifting component 25 and is rotatably connected to the rotating frame 23; multiple support rods 222 are installed at intervals along the circumference of the inner support frame body 221 on the outer periphery of the inner support frame body 221. The end of the support rod 222 away from the inner support frame body 221 is used to abut against the wall surface of the vertical tubular space 11, so that the inner support frame 22 is supported in the vertical tubular space 11. The support rod 222 expands and contracts along the radial direction of the inner support frame body 221 to be applicable to vertical tubular spaces 11 of different sizes. In this embodiment, the rotating frame 23 and the roughening operation equipment 24 are carried by the inner support frame body 221. Furthermore, through the abutment of the support rod 222 against the wall surface of the vertical tubular space 11, the stable support of the inner support frame 22 in the vertical tubular space 11 is realized, avoiding inaccurate operation positions of the roughening operation equipment 24 caused by the shaking of the inner support frame 22 during roughening operation, and ensuring the construction quality of roughening; through the radial expansion and contraction of the support rod 222, the inner support frame 22 can adapt to vertical tubular spaces 11 of different diameters, improving the versatility and flexibility of the device. Preferably, the multiple support rods 222 are symmetrically distributed about the axis of the inner support frame body 221, which is beneficial to improving the stability of the support. It should be noted that the support rod 222 can specifically be an electric telescopic rod, a pneumatic telescopic rod, a hydraulic telescopic rod, etc. It should also be noted that a rubber pad can be installed at the end of the support rod 222 for abutting against the wall surface of the vertical tubular space 11 to increase the friction between the support rod 222 and the wall surface of the vertical tubular space 11.

[0050] As Figures 2 - 4As shown in the figure, the inner support frame 221 includes a columnar main body portion 2211 and an annular flange portion 2212 protruding from the outer peripheral surface of the main body portion 2211. The annular flange portion 2212 is coaxially arranged with the main body portion 2211. The main body portion 2211 is connected to the top support frame 21 through a lifting assembly 25. The rotating frame 23 is circular. The rotating frame 23 is sleeved outside the main body portion 2211 of the inner support frame 221 and is supported on the annular flange portion 2212. The rotating frame 23 rotates relative to the main body portion 2211 with the axis of the main body portion 2211 as the axis. The rotating assembly 26 is connected between the rotating frame 23 and the main body portion 2211. The support rod 222 is installed on the outer periphery of the annular flange portion 2212. The inner support frame 221 with the above structure adopted in this embodiment realizes the rotational connection with the rotating frame 23, the connection with the lifting assembly 25, and the assembly of the support rod 222, avoiding interference when the rotating frame 23, the lifting assembly 25, and the support rod 222 act respectively. Moreover, this structural design makes the structure of the whole device more compact, the connection between components more reasonable, reduces the volume and occupied space of the device, and is convenient for the installation and disassembly of the device.

[0051] As Figure 5 shown in the figure, the rotating assembly 26 includes a gear 263 and a gear ring 261 that mesh with each other, and a rotating drive motor 262 for driving the gear 263 to rotate. The gear ring 261 is fixedly installed on the inner wall of the rotating frame 23. The rotating drive motor 262 is fixedly installed on the outer periphery of the main body portion 2211. The gear 263 is installed on the output shaft of the rotating drive motor 262. In this embodiment, the rotating drive motor 262 drives the gear 263 to rotate, and then drives the gear ring 261 to rotate through the meshing cooperation of the gear 263 and the gear ring 261. The gear ring 261 then drives the rotating frame 23 to rotate. Through the transmission method of the cooperation between the gear 263 and the gear ring 261 in this embodiment, the smooth rotation of the rotating frame 23 can be realized. At the same time, through the precise drive of the rotating drive motor 262, the operating position of the scarifying operation device 24 in the circumferential direction can be accurately adjusted. It should be noted that when the size of the rotating frame 23 is large, in order to ensure the smooth rotation of the rotating frame 23, multiple sets of rotating assemblies 26 can be used for synchronous drive.

[0052] As Figures 2 - 4 shown in the figure, a circular track 2213 is provided on the top surface of the annular flange portion 2212. The rotating frame 23 is provided with a track groove 231 that matches the track 2213. The track 2213 is accommodated in the track groove 231 and is in sliding cooperation with the track groove 231. Through the cooperation of the track 2213 and the track groove 231 in this embodiment, the rotation trajectory of the rotating frame 23 can be controlled, avoiding the deviation or shaking of the rotating frame 23 during rotation. It can be understood that the track 2213 can also be provided on the outer periphery of the main body portion 2211. Correspondingly, the track groove 231 is opened on the inner wall of the rotating frame 23.

[0053] AsFigure 1 As shown in the figure, the lifting assembly 25 includes a lifting rope 252 for connecting the inner support frame 22 and a winding device 251 for winding and unwinding the lifting rope 252. The winding device 251 is fixedly installed on the top support frame 21. In this embodiment, the inner support frame 22 is connected by the provided lifting rope 252, and the lifting rope 252 is wound and unwound by the winding device 251 to realize the lifting of the inner support frame 22 relative to the top support frame 21. The lifting method in which the winding device 251 and the lifting rope 252 cooperate is simple and convenient to operate, reducing the construction operation difficulty. Moreover, by precisely controlling the winding and unwinding length of the lifting rope 252 by the winding device 251, the working height of the scarifying operation device 24 can be precisely adjusted.

[0054] As Figure 6 shown in the figure, the top support frame 21 has an outer edge portion 211 surrounding the outer periphery of the top of the member 1 to be scarified. The outer edge portion 211 is provided with a tightening member 212 for abutting against the outer periphery of the member 1 to be scarified to fixedly install the top support frame 21 on the member 1 to be scarified. The tightening member 212 is threadedly connected to the outer edge portion 211. In this embodiment, by providing the tightening member 212 to abut against the outer periphery of the member 1 to be scarified, the top support frame 21 is stably fixed on the top of the member 1 to be scarified, thereby providing a stable support foundation for the entire device and avoiding the instability of the inner support frame 22 and the scarifying operation device 24 caused by the loosening of the top support frame 21, ensuring the safety and reliability of the scarifying construction. Preferably, there are a plurality of tightening members 212, and the plurality of tightening members 212 are symmetrically distributed about the axis of the member 1 to be scarified to facilitate improving the fixing stability.

[0055] As Figure 4 and Figure 5 shown in the figure, the scarifying operation device 24 includes a scarifying air gun 241, and the scarifying air gun 241 is connected to an external air source through an air inlet pipe 242. In this embodiment, the scarifying air gun 241 is used as the scarifying operation device 24, and the concrete floating slurry at the working position is subjected to high-pressure impact by the scarifying air gun 241 to peel off the concrete floating slurry, thereby machining pits 12 on the wall surface of the vertical tubular space 11. It should be noted that, as Figure 3 shown in the figure, the rotating frame 23 is provided with an installation cavity 232 for installing the scarifying operation device 24 to facilitate the stable installation of the scarifying operation device 24. It should also be noted that multiple scarifying operation devices 24 can be installed on the rotating frame 23, and multiple scarifying operation devices 24 are used for synchronous construction to improve the scarifying construction effect.

[0056] As Figure 7As shown, the wall roughening device 2 for a narrow vertical tubular space further includes a controller 27 and a positioning device 28 for obtaining the real-time position of the roughening operation device 24; the controller 27 is respectively communicatively connected to the positioning device 28, the lifting assembly 25 (specifically, the retracting and releasing device 251), and the rotating assembly 26 (specifically, the rotation driving motor 262), so as to respectively control the actions of the lifting assembly 25 and the rotating assembly 26 according to the real-time position of the roughening operation device 24 obtained by the positioning device 28; the controller 27 is also communicatively connected to the roughening operation device 24 to control the roughening operation device 24 to perform the roughening operation. In this embodiment, the provided positioning device 28 can obtain the real-time position of the roughening operation device 24, and then, through the controller 27, according to the real-time position of the roughening operation device 24 obtained by the positioning device 28, automatically control the actions of the lifting assembly 25 and the rotating assembly 26, and control the opening and closing of the roughening operation device 24, realizing the automatic control of the roughening operation, and further improving the construction efficiency and the precision of the roughening operation. Further, as Figure 7 shown, the controller 27 is also communicatively connected to the support rod 222 to control the telescopic movement of the support rod 222 through the controller 27 to realize the automatic support of the inner support frame 22.

[0057] As Figure 8 shown, based on the above-mentioned wall roughening device 2 for a narrow vertical tubular space, the present invention also provides a construction method for roughening the wall of a narrow vertical tubular space. Using the above-mentioned wall roughening device 2 for a narrow vertical tubular space for construction, it includes the following steps:

[0058] S1 Overall hoisting: Hoist the wall roughening device 2 as a whole to the top of the component 1 to be roughened, so that the top support frame 21 is horizontally supported on the top of the component 1 to be roughened, the inner support frame 22 is located in the vertical tubular space 11 of the component 1 to be roughened, and the roughening operation device 24 faces the wall of the vertical tubular space 11; during hoisting, the inner support frame 22 is at the highest position close to the top support frame 21;

[0059] In this step, it should be noted that during hoisting, a fixing rope can be tied between the inner support frame 22 and the top support frame 21 to fasten the inner support frame 22 and the top support frame 21, facilitating the overall hoisting of the device;

[0060] S2 Fixing the top support frame: Fix the top support frame 21 to the top of the component 1 to be roughened;

[0061] This step is specifically: Thread the fastening member 212 onto the outer edge portion 211 of the top support frame 21, and gradually tighten the fastening member 212 until the fastening member 212 abuts against the outer circumference of the component 1 to be roughened, so as to fix the top support frame 21 to the top of the component 1 to be roughened;

[0062] In-place of the inner support frame in S3: Adjust the height of the inner support frame 22 in the vertical tubular space 11 through the lifting component 25 so that the inner support frame 22 is in place at the working height for the chiseling operation;

[0063] Specifically, this step is as follows: Retract and extend the lifting rope 252 through the retracting and extending device 251 so that the inner support frame 22 moves up and down relative to the top support frame 21 until the inner support frame 22 reaches the working height for the chiseling operation, completing the height adjustment of the inner support frame 22; Drive the support rod 222 to extend radially until the support rod 222 abuts against the wall surface of the vertical tubular space 11 so that the inner support frame 22 is supported in the vertical tubular space 11, completing the in-place of the inner support frame 22;

[0064] In-place of the chiseling operation device in S4: Drive the rotating frame 23 to drive the chiseling operation device 24 to rotate relative to the inner support frame 22 through the rotating component 26 so that the chiseling operation device 24 is in place at an operation position at the current working height;

[0065] Specifically, this step is as follows: Drive the gear 263 to rotate through the rotary drive motor 262, and drive the rotating frame 23 to rotate relative to the inner support frame 22 through the meshing of the gear 263 and the gear ring 261 until the chiseling operation device 24 faces the operation position, completing the in-place of the chiseling operation device 24;

[0066] Chiseling operation in S5: Start the chiseling operation device 24 to perform the chiseling operation at the current operation position. After the chiseling operation at the current operation position is completed, turn off the chiseling operation device 24, and drive the rotating frame 23 to rotate successively through the rotating component 26 so that the chiseling operation device 24 is in place at the next operation position in the circumferential direction in turn. After the chiseling operation device 24 is in place each time, start the chiseling operation device 24 to perform the chiseling operation;

[0067] Repeat steps S3 - S5 until the construction of all the chiseling operation positions on the wall surface of the vertical tubular space 11 is completed. Drive the inner support frame 22 to rise to the highest position close to the top support frame 21 through the lifting component 25, release the fixed connection between the top support frame 21 and the component 1 to be chiseled, and lift the wall chiseling device 2 as a whole away from the component 1 to be chiseled. It should be noted that in order to avoid the repeated lifting and lowering of the inner support frame 22, the inner support frame 22 can be first in place at the lowest working height for the chiseling operation, and then the inner support frame 22 is gradually driven to rise through the lifting component 25 to complete the chiseling operation at each working height from bottom to top one by one.

[0068] The above-mentioned method for roughening the wall surface of a narrow vertical tubular space uses the above-mentioned wall roughening device 2 for a narrow vertical tubular space to perform roughening construction, which can be applied to the components 1 to be roughened, such as precast pier columns or large pipe fittings of assembled piers, having a narrow vertical tubular space 11. The construction efficiency is high, significantly shortening the construction period of roughening construction. Moreover, there is no need for operators to enter the narrow vertical tubular space 11 for operation, significantly reducing the construction risk.

[0069] In some embodiments, the step of positioning the inner support frame 22 in S3 further includes: obtaining the real-time position of the roughening operation device 24 in real time through the positioning device 28 and transmitting it to the controller 27; when the real-time height of the roughening operation device 24 is higher than the operation height of the operation to be roughened, the controller 27 controls the lifting assembly 25 to drive the inner support frame 22 to descend; when the real-time height of the roughening operation device 24 is lower than the operation height of the operation to be roughened, the controller 27 controls the lifting assembly 25 to drive the inner support frame 22 to ascend; after the real-time height of the roughening operation device 24 obtained by the positioning device 28 reaches the operation height of the operation to be roughened, the controller 27 controls the strut 222 to extend.

[0070] In some embodiments, the step of positioning the roughening operation device 24 in S4 further includes: obtaining the real-time position of the roughening operation device 24 in real time through the positioning device 28 and transmitting it to the controller 27; the controller 27 controls the rotation assembly 26 to drive the rotating frame 23 to drive the roughening operation device 24 to rotate towards the operation position of the operation to be roughened according to the position of the roughening operation device 24 in the circumferential direction.

[0071] In some embodiments, the roughening operation step in S5 further includes: when the real-time position of the roughening operation device 24 obtained by the positioning device 28 reaches the operation position of the operation to be roughened, the controller 27 controls the roughening operation device 24 to start. After the roughening operation at the current operation position is completed, the controller 27 controls the roughening operation device 24 to shut down and controls the rotation assembly 26 to drive the rotating frame 23 to drive the roughening operation device 24 to rotate towards the next operation position.

[0072] Finally, it should be noted that: the various embodiments in this specification are described in a progressive manner, and the key points of each embodiment are the differences from other embodiments. The same or similar parts among the various embodiments can be referred to each other.

[0073] The above embodiments are only used to illustrate the technical solutions of the present invention and are not intended to limit them; although the present invention has been described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that: still, the specific implementation manners of the present invention can be modified or some technical features can be equivalently replaced; without departing from the spirit of the technical solutions of the present invention, they should all be covered within the scope of the technical solutions claimed by the present invention.

Claims

1. A wall roughening device for a narrow vertical tubular space, characterized in that: include: A top support frame, used for horizontally supporting the top of the component to be roughened with a vertical tubular space; An inner support frame, used to be supported in the vertical tubular space, the inner support frame is connected to the top support frame through a lifting assembly so as to be lifted and lowered relative to the top support frame in the vertical tubular space, the inner support frame having an axis arranged in a vertical direction; A rotating frame, which is rotatably connected to the inner support frame through a rotating assembly, and the rotating frame rotates relative to the inner support frame with the axis of the inner support frame as the axis; The chiseling operation equipment is installed on the rotating frame and faces the wall surface of the vertical tubular space. The chiseling operation equipment rotates with the rotating frame to change the operation position in the circumferential direction.

2. The wall roughening device for a narrow vertical tubular space according to claim 1, characterized in that: The inner support frame includes an inner support frame body and a plurality of struts; the inner support frame body has the axis, the inner support frame body is connected to the top support frame through the lifting assembly and is rotatably connected to the rotating frame; the plurality of struts are installed at intervals along the circumference of the inner support frame body and outside the inner support frame body, the ends of the struts away from the inner support frame body are used to abut against the wall of the vertical tubular space, and the struts are extended and retracted along the radial direction of the inner support frame body.

3. The wall roughening device for a narrow vertical tubular space according to claim 2, characterized in that: The inner support frame body includes a columnar main body and an annular flange portion protruding from the outer peripheral surface of the main body, the annular flange portion is coaxially arranged with the main body, and the main body is connected to the top support frame through the lifting assembly; the rotating frame is annular, and the rotating frame is sleeved on the outside of the main body of the inner support frame body and supported on the annular flange portion, and the rotating frame rotates relative to the main body with the axis of the main body as the axis, and the rotating assembly is connected between the rotating frame and the main body; the support rod is installed on the outer periphery of the annular flange portion.

4. The wall roughening device for a narrow vertical tubular space according to claim 3, characterized in that: The rotating assembly includes a gear and a gear ring that mesh with each other, and a rotating drive motor for driving the gear to rotate; the gear ring is fixedly installed on the inner wall of the rotating frame, the rotating drive motor is fixedly installed on the outer periphery of the main body, and the gear is installed on the output shaft of the rotating drive motor.

5. The wall roughening device for a narrow vertical tubular space according to claim 3 or 4, characterized in that: A circular track is provided on the top surface of the annular flange or the outer periphery of the main body, and the rotating frame is provided with a track groove matched with the track. The track is accommodated in the track groove and slidably matched with the track groove.

6. The wall roughening device for a narrow vertical tubular space according to claim 1, characterized in that: The lifting assembly includes a suspension rope for connecting the inner support frame and a retracting device for retracting and releasing the suspension rope, and the retracting and releasing device is fixedly installed on the top support frame.

7. The wall roughening device for a narrow vertical tubular space according to claim 1, characterized in that: The top support frame has an outer edge portion surrounding the top periphery of the working component to be roughened, and the outer edge portion is provided with a tightening piece for abutting the periphery of the working component to be roughened to fix the top support frame to the working component to be roughened, and the tightening piece is threadedly connected to the outer edge portion.

8. The wall roughening device for a narrow vertical tubular space according to claim 1, characterized in that: The chiseling operation equipment comprises a chiseling air gun, and the chiseling air gun is connected to an external air source through an air inlet pipe.

9. The wall roughening device for a narrow vertical tubular space according to claim 1, characterized in that: The wall chiseling device for a narrow vertical tubular space also includes a controller and a positioning device for obtaining the real-time position of the chiseling operation equipment; the controller is communicatively connected to the positioning device, the lifting assembly and the rotating assembly respectively, so as to control the movements of the lifting assembly and the rotating assembly respectively according to the real-time position of the chiseling operation equipment obtained by the positioning device; the controller is also communicatively connected to the chiseling operation equipment to control the chiseling operation equipment to perform the chiseling operation.

10. A method for roughening the wall of a narrow vertical tubular space, characterized in that: The construction using the wall roughening device for a narrow vertical tubular space as described in any one of claims 1 to 8 comprises the following steps: S1 Overall hoisting: hoist the wall surface roughening device as a whole to the top of the component to be roughened, so that the top support frame cross frame is supported on the top of the component to be roughened, the inner support frame is located in the vertical tubular space of the component to be roughened, and the roughening operation equipment faces the wall of the vertical tubular space; during hoisting, the inner support frame is at the highest position close to the top support frame; S2: fixing the top support frame: fixing the top support frame on the top of the component to be roughened; S3: the inner support frame is in place: the height of the inner support frame in the vertical tubular space is adjusted by the lifting assembly, so that the inner support frame is in place at the working height to be used for the roughening operation; S4: The chiseling operation equipment is in place: the rotating frame is driven by the rotating assembly to drive the chiseling operation equipment to rotate relative to the inner support frame, so that the chiseling operation equipment is in place at an operation position at the current operation height; S5: Chiseling operation: starting the chiseling operation device to perform chiseling operation at the current operation position, closing the chiseling operation device after the chiseling operation at the current operation position is completed, driving the rotating frame to rotate successively through the rotating assembly so that the chiseling operation device is positioned at the next operation position in the circumferential direction in sequence, and starting the chiseling operation device to perform chiseling operation after the chiseling operation device is positioned each time; Repeat steps S3-S5 until the construction of all roughening operation positions of the vertical tubular space wall is completed, drive the inner support frame to rise to the highest position close to the top support frame through the lifting assembly, release the fixed connection between the top support frame and the component to be roughened, and lift the wall roughening device as a whole away from the component to be roughened.

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