Milling units and wet spraying machines

Abstract

The present invention provides a milling device and a wet spraying machine with the milling device. The milling device comprises a turntable, a milling cutter, a transmission assembly and a driving member. The milling cutter is arranged on one end face of the turntable; one end of the transmission assembly is fixedly assembled on the other end face of the turntable; the driving member is assembled with the other end of the transmission assembly, and the driving member drives the transmission assembly to rotate, so that the transmission assembly drives the turntable to rotate. In this technical solution, the rotating milling cutter can level the working surface after spraying, and the way in which the milling cutter levels the working surface can effectively improve the work efficiency. In addition, the hardness of the milling cutter is relatively high, so that partially solidified concrete can also be leveled, thereby improving the leveling effect of the working surface.

Description

Technical Field

[0001] The present invention relates to the technical field of tunnel construction equipment, and more specifically to a milling device and a wet spraying machine. Background Art

[0002] Wet spraying machine is a device used for spraying the inner wall of highway and railway tunnels. The working surface after spraying has high requirements for flatness. At present, the leveling operation of the working surface after spraying mainly relies on manual leveling or blowing the working surface with compressed air. The manual leveling method has low work efficiency and takes a long time, and the method of blowing away the concrete protruding from the working surface with compressed air is also inefficient, and it is also difficult to blow away partially solidified concrete with compressed air. Therefore, how to efficiently level the working surface after spraying is completed has become an urgent problem to be solved. Summary of the invention

[0003] The present invention aims to solve at least one of the technical problems existing in the prior art.

[0004] A first aspect of the present invention provides a milling device.

[0005] A second aspect of the present invention provides a wet spraying machine.

[0006] In view of the above, a first aspect of the present invention provides a milling device for a wet spraying machine, comprising: a turntable; a milling cutter, arranged on one end face of the turntable; a transmission assembly, one end of which is fixedly mounted on the other end face of the turntable; a driving member, assembled with the other end of the transmission assembly, the driving member drives the transmission assembly to rotate, so that the transmission assembly drives the turntable to rotate.

[0007] The milling device provided by the present invention includes a turntable, a milling cutter, a transmission assembly and a driving member. The milling cutter is arranged on an end face of the turntable, and two ends of the transmission assembly are respectively assembled with the turntable and the driving member. The driving member drives the transmission assembly to rotate, and the transmission assembly drives the turntable to rotate, so that the milling cutter on the turntable rotates together with the turntable. The rotating milling cutter can level the working surface after spraying. The method of using the milling cutter to level the working surface can effectively improve the work efficiency. Moreover, the hardness of the milling cutter is relatively high, so that partially solidified concrete can also be leveled, thereby improving the leveling effect of the working surface. Assembling the transmission assembly between the turntable and the driving member can improve the stability of the turntable rotation. In addition, the transmission assembly can increase the distance between the turntable and the driving member to avoid collision between the driving member and the working surface.

[0008] In addition, the milling device provided by the above technical solution of the present invention also has the following additional technical features:

[0009] In any of the above technical solutions, the transmission assembly includes: a connecting rod, one end of which is fixedly assembled on the other end face of the turntable; a rotating sleeve, which is provided with a non-circular mounting hole along the axial direction, and the other end of the connecting rod extends into the mounting hole, and the end of the rotating sleeve away from the turntable is connected to the driving member to limit rotation.

[0010] In this technical solution, the connecting rod is inserted into the mounting hole of the rotating sleeve. Since the rotating sleeve is provided with a non-circular mounting hole, the circumferential relative rotation of the connecting rod and the rotating sleeve can be limited. Since the rotating sleeve is connected to the driving member by limiting rotation, the output shaft of the driving member can drive the rotating sleeve to rotate. Similarly, since the rotating sleeve is provided with a non-circular mounting hole, the circumferential relative rotation of the connecting rod and the rotating sleeve can be limited. The rotating sleeve can drive the connecting rod to rotate, thereby ensuring that the connecting rod drives the turntable and the milling cutter to rotate stably, which is beneficial for the milling cutter to level the working surface after spraying. The connecting rod and the rotating sleeve can increase the distance between the turntable and the driving member, thereby avoiding collision between the driving member and the working surface and improving the stability of the driving member during operation.

[0011] In any of the above technical solutions, the milling device also includes: a mounting seat, a rotating sleeve and a driving member are respectively installed on both sides of the mounting seat, and the mounting seat is provided with a first through hole for the output shaft of the driving member to pass through; a bearing seat, which is sleeved on the rotating sleeve; a bearing, which is located in the bearing seat, and the bearing is sleeved on the rotating sleeve; a locking member, the bearing seat and the mounting seat are provided with a connecting hole for the locking member to pass through, and the locking member passes through the connecting hole to lock the bearing seat to the mounting seat.

[0012] In this technical solution, the mounting seat plays a bearing role for the rotating sleeve and the driving member to prevent the driving member and the rotating sleeve from shaking during operation. The locking member locks the bearing seat to the mounting seat, so that the bearing seat is stably fixed to the mounting seat. The bearing sleeve is connected to the rotating sleeve and is located in the bearing seat. The bearing seat can limit the bearing from being easily separated from the rotating sleeve. When the milling cutter performs a leveling operation on the working surface, the resistance generated by the working surface to the milling cutter will cause the connecting rod and the rotating sleeve to be subjected to a deflection force that deviates from the axial direction. When the deflection force on the rotating sleeve is too large, the output shaft of the driving member will be damaged. The bearing plays a buffering role on the rotating sleeve. The bearing can offset part of the deflection force on the rotating sleeve, thereby reducing the relative deflection angle of the rotating sleeve and the output shaft of the driving member, reducing the damage rate of the output shaft of the driving member, and improving the stability of the driving member during operation.

[0013] In any of the above technical solutions, there are at least two bearings, and the milling device also includes: a first sleeve, which is arranged in the bearing seat, the first sleeve is sleeved in the rotating sleeve, and the first sleeve is located between at least two bearings; a second sleeve, which is arranged in the bearing seat, the first sleeve is sleeved in the rotating sleeve, and the second sleeve is located between one of the at least two bearings close to the mounting seat and the mounting seat.

[0014] In this technical solution, at least two bearings are arranged in the bearing seat, and a distance is set between the at least two bearings, so that the at least two bearings abut against the outer wall of the rotating sleeve at the same time, and the outer wall of the rotating sleeve forms at least two force points. The line connecting the at least two force points is parallel to the axial direction of the rotating sleeve, so that the at least two bearings can further offset the deflection force exerted on the rotating sleeve, thereby improving the stability of the rotating sleeve and the driving member during operation.

[0015] In any of the above technical solutions, the mounting hole passes through the rotating sleeve, and the connecting rod slides with the mounting hole. The transmission assembly also includes: an elastic member, which is sleeved on the connecting rod and the rotating sleeve, and the elastic member is located between the turntable and the bearing seat, and the elastic member is used to push the turntable in the direction away from the bearing seat; a limit block is arranged at the other end of the connecting rod, and a sliding groove for sliding the limit block is provided in the rotating sleeve, and the sliding groove passes through the rotating sleeve at one end toward the mounting seat, and a limit part is provided at the other end of the rotating sleeve located at the sliding groove, and the limit part limits the limit block from separating from the rotating sleeve.

[0016] In this technical solution, the mounting hole passes through the rotating sleeve, so that the connecting rod can slide relative to the rotating sleeve along the axial direction, the elastic member can push the turntable, and the limiting portion on the rotating sleeve limits the limiting block at the other end of the connecting rod to prevent the connecting rod from separating from the rotating sleeve at the other end of the rotating sleeve, thereby ensuring that the rotating sleeve drives the connecting rod to rotate stably. When the milling cutter levels the working surface, the milling cutter abuts against the working surface, so that the connecting rod can slide relative to the rotating sleeve, and the elastic member buffers the connecting rod, reducing the damage rate of the connecting rod. When the milling cutter abuts against the working surface, the connecting rod partially extends into the rotating sleeve. When the milling cutter separates from the working surface, under the push of the elastic member, the connecting rod partially extends out of the rotating sleeve, which is conducive to the connecting rod stably driving the turntable and the milling cutter to rotate.

[0017] In any of the above technical solutions, the transmission assembly also includes: a connecting member, the other end of the connecting rod is provided with a connecting hole assembled with the connecting member, the limit block is provided with a second through hole for the connecting member to pass through, the connecting member passes through the second through hole and is assembled with the connecting hole to lock the limit block to the connecting rod.

[0018] In this technical solution, the connecting member passes through the second through hole and is assembled with the connecting hole. The connecting member and the connecting rod clamp the limit block to prevent the limit block from being separated from the connecting rod. The way in which the connecting member and the connecting rod clamp the limit block facilitates the disassembly and assembly of the limit block to the connecting rod, thereby enabling the connecting rod to be disassembled and assembled to the rotating sleeve, thereby facilitating the replacement of the connecting rod.

[0019] In any of the above technical solutions, one end of the connecting rod is provided with an external thread; the turntable is provided with an internal thread adapted to the external thread, and the external thread is screwed into the internal thread to lock the connecting rod to the turntable; the direction of rotation of the output shaft of the driving member is opposite to that of the external thread.

[0020] In this technical solution, the external thread at one end of the connecting rod is screwed into the internal thread of the turntable, and the connecting rod is installed on the turntable. The connecting rod and the turntable are connected by a threaded connection, which makes it easy to disassemble and assemble the connecting rod to the turntable. The installation method is simple and quick, which is conducive to improving the disassembly and assembly efficiency.

[0021] The direction of rotation of the output shaft of the driving member is opposite to the direction of rotation of the external thread, that is, the direction of rotation of the rotating sleeve and the connecting rod is opposite to the direction of rotation of the external thread, so that when the connecting rod drives the turntable to rotate, the connecting rod and the turntable have a tendency to tighten, realizing the self-tightening function of the connecting rod and the turntable, and avoiding the connection rod and the turntable from separating when the milling cutter performs a leveling process on the working surface. In any of the above technical solutions, the transmission assembly also includes: a baffle, which is arranged on the connecting rod, one end of the elastic member abuts against the baffle, and the other end of the elastic member abuts against the bearing seat, and a gap is provided between the baffle and the turntable, and the gap is for the external component to extend into to clamp the connecting rod, so as to rotate the turntable away from or tighten it to the connecting rod.

[0022] In this technical solution, the baffle and the bearing seat are respectively abutted against the two ends of the elastic member, and the elastic member pushes the baffle, thereby driving the connecting rod to slide relative to the rotating sleeve. A gap is left between the baffle and the turntable, which is conducive to the external component extending into the gap between the baffle and the turntable to clamp the connecting rod, so that the connecting rod can be rotated, which makes it easier to rotate the connecting rod away from or tighten it to the turntable.

[0023] In any of the above technical solutions, the transmission assembly includes: a connecting sleeve, one end of which is fixedly assembled on the other end face of the turntable, and the connecting sleeve is provided with a non-circular through hole along the axial direction; a rotating rod, one end of which extends into the mounting hole, and the other end of the rotating rod is connected to the driving member to limit rotation.

[0024] In this technical solution, the connecting sleeve is fixed on the turntable, and the rotating rod is connected to the output shaft of the driving member. It can be understood that the position relationship between the connecting sleeve and the rotating rod in this technical solution is to replace the position relationship between the connecting rod and the rotating sleeve in the above technical solution, and the technical effect in the above technical solution can also be achieved.

[0025] The second aspect of the present invention provides a wet spraying machine, which includes a chassis, an arm arranged on the chassis, and a milling device as provided in any of the above-mentioned technical solutions. Therefore, the wet spraying machine provided by the present invention has all the benefits of the milling device provided in any of the above-mentioned technical solutions.

[0026] The arm can drive the milling device to move, thereby driving the milling device to move to the milling station.

[0027] Additional aspects and advantages according to the present invention will be given in part in the following description, and in part will be obvious from the following description, or will be learned through practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] The above and / or additional aspects and advantages of the present invention will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0029] Figure 1 A schematic structural diagram of a milling device provided by an embodiment of the present invention is shown;

[0030] Figure 2 A cross-sectional view of a milling device provided by one embodiment of the present invention is shown;

[0031] Figure 3 A schematic structural diagram of a rotating disk and a connecting rod provided by an embodiment of the present invention is shown;

[0032] Figure 4 A schematic diagram of the structure of a transmission assembly provided by an embodiment of the present invention is shown;

[0033] Figure 5 A schematic structural diagram of a transmission assembly provided in another embodiment of the present invention is shown.

[0034] in, Figures 1 to 5 The corresponding relationship between the reference numerals and the component names is as follows:

[0035] 1 turntable, 2 milling cutter, 3 driving member, 4 connecting rod, 5 rotating sleeve, 51 mounting hole, 52 slide groove, 6 mounting seat, 61 first through hole, 7 bearing seat, 8 bearing, 9 locking member, 10 first shaft sleeve, 11 second shaft sleeve, 12 shaft retaining ring, 13 elastic member, 14 limit block, 141 second through hole, 15 connecting member, 16 baffle. DETAILED DESCRIPTION

[0036] In order to more clearly understand the above-mentioned purpose, features and advantages of the present invention, the present invention is further described in detail below in conjunction with the accompanying drawings and specific embodiments. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

[0037] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Therefore, the protection scope of the present invention is not limited to the specific embodiments disclosed below.

[0038] Refer to the following Figures 1 to 5 A milling device is provided according to some embodiments of the present invention.

[0039] A first aspect of the present invention provides a milling device for a wet spraying machine, Figure 1 and Figure 2As shown, it includes a turntable 1, a milling cutter 2, a transmission assembly and a driving member 3. The milling cutter 2 is arranged on one end surface of the turntable 1; one end of the transmission assembly is fixedly assembled on the other end surface of the turntable 1; the driving member 3 is assembled with the other end of the transmission assembly, and the driving member 3 drives the transmission assembly to rotate, so that the transmission assembly drives the turntable 1 to rotate.

[0040] like Figure 1 As shown, the milling cutter 2 is machined and formed on one end face of the turntable 1, and the two ends of the transmission assembly are respectively assembled with the turntable 1 and the driving member 3, and the driving member 3 drives the transmission assembly to rotate, and the transmission assembly drives the turntable 1 to rotate, so that the milling cutter 2 on the turntable 1 rotates together with the turntable 1, and the rotating milling cutter 2 can level the working surface after spraying. The method of using the milling cutter 2 to level the working surface can effectively improve the work efficiency, and the hardness of the milling cutter 2 is relatively high, so that partially solidified concrete can also be leveled, thereby improving the leveling effect of the working surface. Assembling the transmission assembly between the turntable 1 and the driving member 3 can improve the rotation stability of the turntable 1. In addition, the transmission assembly can increase the distance between the turntable 1 and the driving member 3 to avoid collision between the driving member 3 and the working surface.

[0041] In the above embodiment, the transmission assembly includes a connecting rod 4 and a rotating sleeve 5: one end of the connecting rod 4 is fixedly assembled on the other end face of the turntable 1; the rotating sleeve 5 is axially provided with a non-circular mounting hole, the other end of the connecting rod 4 extends into the mounting hole, and the end of the rotating sleeve 5 away from the turntable is connected to the driving member 3 to limit rotation.

[0042] In this embodiment, the connecting rod 4 is inserted into the mounting hole 51 of the rotating sleeve 5. Since the rotating sleeve 5 is provided with a non-circular mounting hole, the connecting rod 4 and the rotating sleeve 5 can be limited to rotate relative to each other in the circumferential direction. Since the rotating sleeve 5 is connected to the driving member 3 by limiting rotation, the output shaft of the driving member 3 can drive the rotating sleeve 5 to rotate. Similarly, since the rotating sleeve 5 is provided with a non-circular mounting hole, the connecting rod 4 and the rotating sleeve 5 can be limited to rotate relative to each other in the circumferential direction. The rotating sleeve 5 can drive the connecting rod 4 to rotate, thereby ensuring that the connecting rod 4 drives the turntable 1 and the milling cutter 2 to rotate stably, which is beneficial for the milling cutter 2 to level the working surface after spraying. The connecting rod 4 and the rotating sleeve 5 can increase the distance between the turntable 1 and the driving member 3, thereby avoiding the collision between the driving member 3 and the working surface and improving the stability of the driving member 3 during operation.

[0043] Specifically, Figure 3As shown, the cross-sectional shape of the connecting rod 4 along the radial direction is a hexagon, and the shape of the mounting hole 51 is adapted to the shape of the connecting rod 4. The hexagonal connecting rod 4 is not easy to rotate relative to the rotating sleeve 5 in the circumferential direction. In other embodiments, the connecting rod 4 can also be any polygon. In addition, the cross-sectional shape of the output shaft of the driving member 3 along the axial direction can also be a hexagon, so that the output shaft of the driving member 3 and the rotating sleeve 5 are not easy to rotate relative to each other in the circumferential direction, or a keyway is machined on the rotating sleeve 5 and the output shaft of the driving member 3, and a flat key is inserted into the keyway to limit the output shaft of the driving member 3 and the rotating sleeve 5 from rotating relative to each other in the circumferential direction.

[0044] In the above embodiment, combined with Figure 1 and Figure 2 As shown, the milling device also includes: a mounting seat 6, a bearing seat 7, a bearing 8 and a locking member 9. The rotating sleeve 5 and the driving member 3 are respectively installed on both sides of the mounting seat 6. The mounting seat 6 is machined with a first through hole 61 for the output shaft of the driving member 3 to pass through; the bearing seat 7 is sleeved on the rotating sleeve 5; the bearing 8 is located in the bearing seat 7, and the bearing 8 is sleeved on the rotating sleeve 5; the bearing seat 7 and the mounting seat 6 are machined with a connecting hole for the locking member 9 to pass through, and the locking member 9 passes through the connecting hole to lock the bearing seat 7 to the mounting seat 6.

[0045] In this embodiment, the rotating sleeve 5 includes a main body and a plug-in portion, the diameter of the plug-in portion is smaller than the diameter of the main body, the plug-in portion can be plugged into the first through hole 61, the main body abuts against one side of the mounting seat 6, and the plug-in portion is plugged into the first through hole 61 so that the rotating sleeve 5 is not easy to deflect relative to the mounting seat 6, thereby improving the connection stability between the rotating sleeve 5 and the output shaft of the driving member 3, avoiding relative deflection between the rotating sleeve 5 and the output shaft of the driving member 3, and reducing the damage rate of the output shaft of the driving member 3.

[0046] In this embodiment, the locking member 9 is a locking bolt, the connecting hole on the bearing seat 7 is a circular hole, the connecting hole on the mounting seat 6 is a threaded hole, and the locking bolt can be screwed into the threaded hole on the mounting seat 6.

[0047] The mounting seat 6 supports the rotating sleeve 5 and the driving member 3 to prevent the driving member 3 and the rotating sleeve 5 from shaking during operation. The locking member 9 locks the bearing seat 7 to the mounting seat 6, so that the bearing seat 7 is stably fixed to the mounting seat 6. The bearing 8 is sleeved on the rotating sleeve 5 and is located in the bearing seat 7. The bearing seat 7 can limit the bearing 8 from being easily separated from the rotating sleeve 5. When the milling cutter 2 performs a leveling operation on the working surface, the resistance generated by the working surface to the milling cutter 2 will cause the connecting rod 4 and the rotating sleeve 5 to be subjected to a deflection force that deviates from the axial direction. When the deflection force on the rotating sleeve 5 is too large, the output shaft of the driving member 3 will be damaged. The bearing 8 has a buffering effect on the rotating sleeve 5. The bearing 8 can offset part of the deflection force on the rotating sleeve 5, thereby reducing the relative deflection angle of the rotating sleeve 5 and the output shaft of the driving member 3, reducing the damage rate of the output shaft of the driving member 3, and improving the stability of the driving member 3 during operation.

[0048] In the above embodiment, there are at least two bearings 8, and the milling device also includes: a first sleeve 10, which is arranged in the bearing seat 7, the first sleeve 10 is sleeved in the rotating sleeve 5, and the first sleeve 10 is located between the at least two bearings 8; a second sleeve 11, which is arranged in the bearing seat 7, the first sleeve 10 is sleeved in the rotating sleeve 5, and the second sleeve 11 is located between one of the at least two bearings 8 close to the mounting seat 6 and the mounting seat 6.

[0049] In this embodiment, at least two bearings 8 are arranged in the bearing seat 7. In this embodiment, there are two bearings 8, and a distance is set between the two bearings 8, so that the two bearings 8 are simultaneously in contact with the outer wall of the rotating sleeve 5, and the outer wall of the rotating sleeve 5 forms two force points. The line connecting the two force points is parallel to the axial direction of the rotating sleeve 5. When the rotating sleeve 5 is subjected to a deflection force, one of the two force points serves as a fulcrum, and the other force point is against the rotating sleeve 5, so that the two bearings 8 can further offset the deflection force on the rotating sleeve 5, thereby improving the stability of the rotating sleeve 5 and the driving member 3 during operation.

[0050] In addition, the milling device also includes a shaft retaining ring 12, which is sleeved on the rotating sleeve 5 and is located on one side of at least two bearings 8. The shaft retaining ring 12 blocks at least two bearings 8 to prevent the bearings 8 from detaching from the bearing seat 7.

[0051] In the above embodiment, combined with Figure 1 and Figure 4As shown, the mounting hole 51 passes through the rotating sleeve 5, and the connecting rod 4 is slidably matched with the mounting hole 51. The transmission assembly also includes: an elastic member 13, which is sleeved on the connecting rod 4 and the rotating sleeve 5, and the elastic member 13 is located between the turntable 1 and the bearing seat 7. The elastic member 13 is used to push the turntable 1 in the direction away from the bearing seat 7; a limit block 14 is arranged at the other end of the connecting rod 4, and a slide groove 52 for the limit block 14 to slide is provided in the rotating sleeve 5, and the slide groove 52 passes through the rotating sleeve 5 at one end toward the mounting seat 6, and a limit portion is provided at the other end of the rotating sleeve 5 located at the slide groove 52, and the limit portion limits the limit block 14 from leaving the rotating sleeve 5.

[0052] In this embodiment, the mounting hole 51 passes through the rotating sleeve 5, so that the connecting rod 4 can slide relative to the rotating sleeve 5 along the axial direction, the elastic member 13 can push the turntable 1, and the limit block 14 includes a limit body and protrusions located on both sides of the limit body. The shape of the slide groove 52 is adapted to the shape of the protrusion, and the protrusion can slide in the slide groove 52. The limit portion limits the limit block 14 at the other end of the connecting rod 4 to prevent the connecting rod 4 from detaching from the rotating sleeve 5 at the other end of the rotating sleeve 5, thereby ensuring that the rotating sleeve 5 drives The connecting rod 4 rotates stably. When the milling cutter 2 levels the working surface, the milling cutter 2 abuts against the working surface, allowing the connecting rod 4 to slide relative to the rotating sleeve 5. The elastic member 13 acts as a buffer for the connecting rod 4, reducing the damage rate of the connecting rod 4. When the milling cutter 2 abuts against the working surface, the connecting rod 4 partially extends into the rotating sleeve 5. When the milling cutter 2 separates from the working surface, under the push of the elastic member 13, the connecting rod 4 partially extends out of the rotating sleeve 5, which is beneficial for the connecting rod 4 to stably drive the turntable 1 and the milling cutter 2 to rotate.

[0053] In the above embodiment, combined with Figure 1 and Figure 2 As shown, the transmission assembly also includes: a connecting member 15, the other end of the connecting rod 4 is provided with a connecting hole assembled with the connecting member 15, and the limiting block 14 is provided with a second through hole 141 for the connecting member 15 to pass through. The connecting member 15 passes through the second through hole 141 and is assembled with the connecting hole to lock the limiting block 14 to the connecting rod 4.

[0054] In this embodiment, the connecting member 15 passes through the second through hole 141 and is assembled with the connecting hole. The connecting member 15 and the connecting rod 4 clamp the limit block 14 to prevent the limit block 14 from being separated from the connecting rod 4. The way in which the connecting member 15 and the connecting rod 4 clamp the limit block 14 facilitates the disassembly and assembly of the limit block 14 to the connecting rod 4, thereby enabling the connecting rod 4 to be disassembled and assembled to the rotating sleeve 5, thereby facilitating the replacement of the connecting rod 4.

[0055] In this embodiment, the second through hole 141 on the limit block 14 is a circular through hole, the connecting hole at the other end of the connecting rod 4 is a threaded hole, and the connecting member 15 is a connecting bolt that can be screwed into the threaded hole at the other end of the connecting rod 4.

[0056] In the above embodiment, one end of the connecting rod 4 is provided with an external thread; the turntable 1 is provided with an internal thread adapted to the external thread, the external thread is screwed into the internal thread to lock the connecting rod 4 to the turntable 1, and the direction of rotation of the output shaft of the driving member 3 is opposite to that of the external thread.

[0057] In this embodiment, the external thread at one end of the connecting rod 4 is screwed into the internal thread of the turntable 1, and the connecting rod 4 is installed on the turntable 1. The connecting rod 4 and the turntable 1 are connected in a threaded manner, which makes it easy to disassemble and assemble the connecting rod 4 to the turntable 1. The installation method is simple and quick, which is conducive to improving the disassembly and assembly efficiency.

[0058] The direction of rotation of the output shaft of the driving member 3 is opposite to the direction of rotation of the external thread, that is, the direction of rotation of the rotating sleeve 5 and the connecting rod 4 is opposite to the direction of rotation of the external thread. Therefore, when the connecting rod 4 drives the turntable 1 to rotate, the connecting rod 4 and the turntable 1 have a tendency to tighten, realizing the self-tightening function of the connecting rod 4 and the turntable 1, and avoiding the connection rod 4 and the turntable 1 from separating when the milling cutter 2 is leveling the working surface.

[0059] In the above embodiment, combined with Figure 1 and Figure 5 As shown, the transmission assembly also includes: a baffle 16, which is arranged on the connecting rod 4, one end of the elastic member 13 abuts against the baffle 16, and the other end of the elastic member 13 abuts against the bearing seat 7, and a gap is provided between the baffle 16 and the turntable 1, and the gap is provided for an external component to extend into to clamp the connecting rod 4, so as to rotate the turntable 1 away from or tighten it to the connecting rod 4.

[0060] In this embodiment, the connecting rod 4 includes a connecting body and a connecting portion. The connecting portion is processed and formed with an external thread. The connecting portion can be screwed into the turntable 1 , and the connecting body abuts against the turntable 1 .

[0061] The baffle 16 and the bearing seat 7 are respectively abutted against the two ends of the elastic member 13. The elastic member 13 pushes the baffle 16, thereby driving the connecting rod 4 to slide relative to the rotating sleeve 5. A gap is left between the baffle 16 and the turntable 1, which is conducive to the external component extending into the gap between the baffle 16 and the turntable 1 to clamp the connecting rod 4, so that the connecting rod 4 can be rotated, and it is convenient to rotate the connecting rod 4 away from or tighten it to the turntable 1.

[0062] In addition, in order to ensure the flatness of the working surface, a milling device is installed on the boom of the wet spraying machine, and the milling cutter 2 is used to mill and flatten the working surface. The inner diameter of the elastic member 13 is larger than the outer diameter of the rotating sleeve 5, and the outer diameter of the elastic member 13 is smaller than the outer diameter of the baffle 16 and the bearing seat 7. When the milling cutter 2 is working, the elastic member 13 can provide it with axial force. The bearing seat 7 is fixed on the mounting seat 6, and the driving member 3 is also installed on the mounting seat 6. The driving member 3 drives the rotating sleeve 5 to rotate, and the rotating sleeve 5 drives the connecting rod 4 to rotate. The connecting rod 4 drives the milling cutter 2 to work through the turntable 1. When the boom of the wet spraying machine is moved, the connecting rod 4 will slide in the rotating sleeve 5, and the sliding distance is 100mm-500mm, so as to avoid the situation where the milling cutter 2 is stuck due to excessive feed.

[0063] In the above embodiment, the transmission assembly includes: a connecting sleeve, one end of which is fixedly assembled on the other end surface of the turntable 1, and the connecting sleeve is provided with a non-circular through hole along the axial direction; a rotating rod, one end of which extends into the mounting hole, and the other end of the rotating rod is connected to the driving member 3 to limit rotation.

[0064] In this embodiment, the connecting sleeve is fixed on the turntable 1, and the rotating rod is connected to the output shaft of the driving member 3. It can be understood that the position relationship between the connecting sleeve and the rotating rod in this embodiment is to replace the position relationship between the connecting rod 4 and the rotating sleeve 5 in the above embodiment, and the technical effect in the above embodiment can also be achieved.

[0065] The second aspect of the present invention provides a wet spraying machine, which includes a chassis, an arm arranged on the chassis, and a milling device as provided in any of the above-mentioned technical solutions. Therefore, the wet spraying machine provided by the present invention has all the benefits of the milling device provided in any of the above-mentioned technical solutions.

[0066] The arm can drive the milling device to move, thereby driving the milling device to move to the milling station.

[0067] In the description of this specification, the terms "connection", "installation", "fixation" and the like should be understood in a broad sense. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; it can be a direct connection or an indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0068] In the description of this specification, the description of the terms "one embodiment", "some embodiments", "specific embodiments", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0069] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A milling device for a wet spraying machine, characterized in that: include: Turntable; A milling cutter, arranged on an end surface of the rotating disk; A transmission assembly, one end of which is fixedly mounted on the other end surface of the turntable; A driving member, assembled with the other end of the transmission assembly, wherein the driving member drives the transmission assembly to rotate, so that the transmission assembly drives the turntable to rotate; The transmission assembly comprises: A connecting rod, one end of which is fixedly mounted on the other end surface of the rotating disk, and the connecting rod is polygonal; A rotating sleeve, wherein a non-circular mounting hole is provided along the axial direction of the rotating sleeve, the shape of the mounting hole is adapted to the shape of the connecting rod, the other end of the connecting rod extends into the mounting hole, and one end of the rotating sleeve away from the rotating disk is connected to the driving member to limit rotation; The milling device also includes: A mounting seat, the rotating sleeve and the driving member are respectively mounted on two sides of the mounting seat, and the mounting seat is provided with a first through hole for the output shaft of the driving member to pass through; A bearing seat, sleeved on the rotating sleeve; A bearing is located in the bearing seat, and the bearing sleeve is arranged on the rotating sleeve; A locking member, wherein the bearing seat and the mounting seat are provided with a connecting hole for the locking member to pass through, and the locking member passes through the connecting hole to lock the bearing seat to the mounting seat; The mounting hole passes through the rotating sleeve, the connecting rod is slidably matched with the mounting hole, and the transmission assembly further includes: an elastic member, sleeved on the connecting rod and the rotating sleeve, the elastic member being located between the rotating disk and the bearing seat, and the elastic member being used to push the rotating disk in a direction away from the bearing seat; A limit block is arranged at the other end of the connecting rod, a slide groove for sliding the limit block is arranged in the rotating sleeve, the slide groove passes through the rotating sleeve at one end facing the mounting seat, and a limit portion is arranged at the other end of the rotating sleeve located at the slide groove, and the limit portion limits the limit block from being separated from the rotating sleeve; The limit block includes a limit body and protrusions located on both sides of the limit body. The shape of the slide groove is adapted to the shape of the protrusions. The protrusions can slide in the slide groove. The limit parts are used to limit the limit block.

2. The milling device according to claim 1, characterized in that: The number of the bearings is at least two, and the milling device further comprises: A first sleeve, disposed in the bearing seat, the first sleeve being sleeved on the rotating sleeve, and the first sleeve being located between at least two of the bearings; The second sleeve is arranged in the bearing seat. The first sleeve is sleeved on the rotating sleeve. The second sleeve is located between one of the at least two bearings close to the mounting seat and the mounting seat.

3. The milling device according to claim 1, characterized in that: The transmission assembly also includes: A connecting piece, the other end of the connecting rod is provided with a connecting hole assembled with the connecting piece, the limiting block is provided with a second through hole for the connecting piece to pass through, the connecting piece passes through the second through hole and is assembled with the connecting hole to lock the limiting block to the connecting rod.

4. The milling device according to any one of claims 1 to 3, characterized in that One end of the connecting rod is provided with an external thread; The turntable is provided with an internal thread matched with the external thread, and the external thread is screwed into the internal thread to lock the connecting rod to the turntable; the direction of rotation of the output shaft of the driving member is opposite to that of the external thread.

5. The milling device according to claim 1, characterized in that: The transmission assembly also includes: A baffle is arranged on the connecting rod, one end of the elastic member abuts against the baffle, the other end of the elastic member abuts against the bearing seat, and a gap is arranged between the baffle and the rotating disk.

6. A wet spraying machine, comprising a chassis and an arm mounted on the chassis, characterized in that: A milling device as claimed in any one of claims 1 to 5 is arranged at the end of the arm.

Images