Water cooling screen positioning maintenance device

Abstract

The invention relates to the technical field of water-cooling screen pipe maintenance, in particular to a water-cooling screen positioning maintenance device which comprises a maintenance machine base. Rotating the fluted disc; a meshing gear ring; positioning the gear; a connecting arm; a positioning wheel; a rotating device; a locking device; provided is a bidirectional front blocking device. According to the clamping device, through the rotating fluted disc and the meshing gear ring which are elastically positioned, the positioning wheels on the connecting arms shrink towards the circle center point of the meshing gear ring, the positioning wheels which are elastically positioned can automatically adapt to water-cooling panel pipes of different sizes, and then the water-cooling panel pipes of different sizes can be automatically positioned and clamped; the water-cooling panel tubes with different sizes are always positioned at the same center, so that a welding head or a cutting machine can be conveniently maintained, the workload of automatic capturing of the welding head or the cutting machine is reduced, the rotary maintenance of the water-cooling panel tubes by the clamp is realized by combining a rotating device and a locking device, the operation amount of the welding head or the cutting machine is reduced, and the working efficiency is improved. And the working space for rotation required by the cutting machine is abandoned.

Description

Technical Field

[0001] The invention relates to the technical field of water-cooling screen tube maintenance, and in particular to a water-cooling screen positioning and maintenance device. Background Art

[0002] At present, the increase of radiation heating area in domestic boilers is achieved by increasing the area of ​​water-cooled wall tubes around the furnace, which also leads to an increase in the volume of the furnace and the space occupied by the entire boiler. However, the volumetric heat load of the fuel furnace is limited, and exceeding the range will affect combustion, so the increase in radiation heating surface is limited and cannot achieve the expected goal. The radiation water-cooled screen is suspended above the furnace and does not increase the size of the boiler furnace, so that the radiation heating area becomes about 3 times the original, and the flue gas temperature at the furnace outlet is reduced (temperature drop of about 50°C), thereby ensuring that part of the molten fly ash solidifies at this temperature and prevents the molten liquid fly ash from sticking to the cold convection tube. There are 4 groups of suspended radiation water-cooled screens, each consisting of 3 parts: downcomer, header, and water-cooled screen tube group. 1. The function of the downcomer is to make the water in the boiler drum drop to the external header. The downcomer is divided into two groups, and each group leads to two branch pipes connected to two external headers; 2. The function of the header is to connect the downcomer and the water-cooled screen tube group. The bottom is equipped with a drain pipe to discharge impurities in the water; 3. The water-cooled screen tube group is placed in the furnace as a radiation heating surface. There are 4 groups in total. It is a membrane wall structure made of steel pipes and flat steel. The steam-water mixture generated by the radiation heat exchange of the water flowing from the header rises to the boiler drum again, thus forming a cycle.

[0003] In practical applications, damaged or non-compliant water-cooling pipes need to be individually cut or welded for repair. Due to the cylindrical shape of the water-cooling pipes, the fixtures on the maintenance platform can only position water-cooling pipes of different sizes at specified positions. The center positions of water-cooling pipes of different sizes are different, and the cutting knife or welding head needs to judge the rotation angle according to the center point positions of water-cooling pipes of different diameters, which increases the workload of the cutting knife or welding head rotation module. In view of this, we propose a water-cooling screen positioning and maintenance device. Summary of the invention

[0004] In view of the deficiencies of the prior art, the present invention provides a water-cooled screen positioning and maintenance device, which solves the problems raised in the above background technology. To achieve the above purpose, the present invention is implemented through the following technical solutions: a water-cooled screen positioning and maintenance device, including a maintenance machine base, a rotating gear disc is rotatably connected to the maintenance machine base, a meshing gear ring is slidably connected to the rotating gear disc, the inner wall of the meshing gear ring is meshed with a plurality of circular array distributed positioning gears, a connecting arm is fixedly connected to the positioning gear, the end of the connecting arm is rotatably connected to the positioning wheel, and the end of the positioning gear is rotatably connected to a fixed base; a rotating device, the rotating device is arranged on the maintenance machine base, and is used to drive the meshing gear ring to rotate; a locking device, the locking device is arranged on the maintenance machine base, and is used to be driven by the rotating device to lock the rotation angle of the meshing gear ring; a two-way front stop device, the two-way front stop device is arranged on the maintenance machine base, and is used to limit the maintenance point of the maintenance machine base.

[0005] Preferably, a limiting groove is provided on the rotating gear disc, one end of the meshing gear ring slides in the limiting groove, a spring is fixedly connected between one side of the rotating gear disc and one side of the meshing gear ring, and one end of the fixed base is fixedly connected to one end of the rotating gear disc.

[0006] Preferably, the rotating device includes an active motor, an end of which is mounted on a maintenance machine base, the output shaft of the active motor is connected to a driving gear shaft, an active block is fixedly connected to the driving gear shaft, one side of the active block is fixedly connected to an auxiliary block via an arc spring, the driving gear shaft is located at the auxiliary block and is sleeved with a driving gear seat, the auxiliary block is located between the inner ring of the driving gear seat and the outer ring of the driving gear shaft and slides, the interior of the driving gear seat is fixedly connected to a passive block, and the interior of the driving gear seat is elastically connected to a plurality of teeth distributed in a circular array via a torsion spring.

[0007] Preferably, a one-way limit groove is opened inside the driving gear seat, both ends of the tooth are rotatably connected inside the one-way limit groove, and a protrusion is provided on the tooth, the tooth is used to engage the rotating gear plate to rotate, the surface of the driving gear shaft is rotatably connected to the maintenance machine base, the end of the driving gear seat is rotatably connected to the maintenance machine base, and the surface of the passive block and the surface of the auxiliary block are in contact with each other.

[0008] Preferably, a connecting ring is fixedly connected to the end of the active block, an arc-shaped telescopic tube is provided between the active block and the auxiliary active block, the interior of the arc-shaped telescopic tube is connected to the interior of the active block, and the interior of the active block is connected to the interior of the connecting ring through a groove.

[0009] Preferably, the rotating device also includes a fan and a filter cartridge, and the fan and the filter cartridge are fixedly connected to the driving gear shaft, and a receiving base is fixedly connected to the maintenance machine base, and the filter cartridge is rotatably connected to the receiving base, and material guide plates are fixedly connected to both sides of the receiving base, and the other two sides of the receiving base are elastically connected to vibration rods through torsion springs, and cams are fixedly connected to both ends of the filter cartridge.

[0010] Preferably, the locking device includes a connecting base, the connecting base is fixedly connected to the maintenance machine base, the connecting base is fixedly connected to a pneumatic chamber, the internal piston of the pneumatic chamber is connected to a plug rod, the end of the plug rod is fixedly connected to a clamping seat, the interior of the connecting base is connected to the interior of the pneumatic chamber, and the clamping seat is used to position the meshing gear ring in different positions.

[0011] Preferably, the end of the driving gear seat is rotatably connected to the connecting base, and the interior of the connecting ring is connected to the interior of the connecting base.

[0012] Preferably, the bidirectional front stop device includes a mounting base, the mounting base is fixedly mounted on the maintenance machine base, an electric push rod is fixedly mounted on the mounting base, a tooth plate is connected to the output shaft of the electric push rod, a switching gear is meshed on the tooth plate, an end of the switching gear is fixedly connected to a staggered baffle, and the end of the staggered baffle is rotatably connected to the mounting base.

[0013] It can be seen from the above technical solutions that the water-cooled screen positioning and maintenance device provided in the embodiments of this specification has at least the following beneficial effects:

[0014] (1) The present invention uses elastically positioned rotating toothed discs and meshing gear rings to allow the positioning wheels on the connecting arms to shrink toward the center point of the meshing gear rings, thereby performing center extrusion positioning on the water-cooling screen tubes being fed. At the same time, each elastically positioned positioning wheel can automatically adapt to water-cooling screen tubes of different sizes, thereby achieving automated positioning and clamping of water-cooling screen tubes of different sizes, so that water-cooling screen tubes of different sizes are always positioned at the same center, thereby facilitating maintenance work on the welding head or cutting machine and reducing the workload of automatic capture of the welding head or cutting machine. Combined with the rotating device and the locking device, the water-cooling screen tube can be rotated for maintenance by the fixture, thereby reducing the operating volume of the welding head or cutting machine and also eliminating the work space required for the welding head or cutting machine to rotate.

[0015] (2) The present invention drives the driving gear shaft through an active motor, and the driving gear shaft first rotates through the active block. At this time, the driving gear seat as a whole is fixed by its own friction force. The spring on the active block will first perform a compression work. When the spring is compressed to a certain state, the auxiliary block drives the passive block to rotate, and the passive block drives the driving gear seat to rotate as a whole. At this time, the driving gear seat can drive the rotating gear disk to rotate through each unidirectional tooth in its internal array. When the positioning wheels distributed in a plurality of circular arrays rotate with the meshing gear ring on the connecting arm, the clamping squeezing effect can be used to drive the water-cooled screen tube to rotate synchronously, and then achieve the effect of driving the water-cooled screen tube to rotate for maintenance, further reducing the work required for the welding head or cutting machine to rotate. The water-cooled screen tube is controlled by a single motor to rotate in a simple manner, which further reduces the operating volume of the welding head or cutting machine. At the same time, the working space required for the welding head or cutting machine to rotate is also abandoned, thereby increasing the remaining space of the maintenance machine seat.

[0016] (3) The present invention uses a fan and a filter cartridge. During the rotation maintenance of the water-cooled screen tube, the rotating drive gear shaft will drive the fan and the filter cartridge to rotate synchronously. During the rotation of the fan, wind force is generated to act on the maintenance end of the water-cooled screen tube, thereby achieving the effect of automatic cooling and cleaning of the end thereof. The filter cartridge can filter the debris, and the guide plate can achieve the effect of scraping and guiding the material when the filter cartridge rotates. When the filter cartridge rotates, the cam on it can also generate a vibration effect after contacting the vibration rod, thereby achieving the purpose of vibration unloading, thereby avoiding the problem of debris clogging on the filter cartridge.

[0017] (4) The present invention utilizes air pressure to drive the plug rod to move through a locking device. The plug rod generates power to move outward and drives the clamping seat to move upward as a whole. After the clamping seat moves upward, it can achieve the effect of clamping and positioning the meshing gear ring position, thereby ensuring the stability of the distance between the meshing gear ring and the rotating gear disk. When the meshing gear ring is positioned, the angle of the positioning gear is meshed and positioned, and then the connecting arm and the positioning wheel can be fixed. Each positioning wheel achieves the effect of tightly clamping the water-cooling screen tube, thereby ensuring the stability of the water-cooling screen tube when subjected to external forces during maintenance.

[0018] (5) The present invention uses a two-way front baffle device to control the operation of the electric push rod according to the loading direction before loading the water-cooling screen tube. The electric push rod controls the forward and backward movement of the output shaft to achieve the effect of driving the tooth plate to move forward and backward. During the forward and backward movement, the tooth plate can achieve the purpose of driving the switching gear to rotate at different angles. Regardless of which side the water-cooling screen tube is loaded, the maintenance end can be accurately positioned within the restriction of the staggered baffle, so that the maintenance end is always located in the center area of ​​the maintenance, thereby reducing the workload of the welding head or the automatic capture of the cutting machine. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The accompanying drawings described herein are used to provide a further understanding of the present invention and constitute a part of this application:

[0020] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0021] Figure 2 It is a schematic diagram of the internal structure of the meshing gear ring in the present invention;

[0022] Figure 3 It is a schematic diagram of the structure of the meshing gear ring in the present invention;

[0023] Figure 4 It is a schematic diagram of the internal structure of the driving gear holder in the present invention;

[0024] Figure 5 It is a schematic diagram of the structure of the locking device in the present invention;

[0025] Figure 6 It is a front view of the maintenance base in the present invention;

[0026] Figure 7 This is a schematic diagram of the structure of the arc-shaped telescopic tube in the present invention;

[0027] Figure 8 It is a structural schematic diagram of the filter cartridge in the present invention;

[0028] Fig. 9 It is a schematic diagram of the structure of the bidirectional front block device in the present invention;

[0029] Fig.10 It is a schematic diagram of the structure of the suspended radiation water-cooling screen tube in the present invention.

[0030] In the figure: 1. maintenance base; 2. rotating gear disc; 21. limiting slide; 3. meshing gear ring; 4. positioning gear; 5. connecting arm; 6. positioning wheel; 7. fixed base; 8. rotating device; 81. active motor; 82. driving gear shaft; 83. active block; 84. auxiliary block; 85. driving gear seat; 86. passive block; 87. teeth; 88. one-way limiting groove; 89. connecting ring; 810. arc telescopic tube; 811. fan; 812. filter cartridge; 813. receiving base; 814. guide plate; 815. vibration rod; 816. cam; 9. locking device; 91. connecting base; 92. air pressure chamber; 93. plug rod; 94. card seat; 10. two-way front stop device; 101. mounting base; 102. electric push rod; 103. tooth plate; 104. switching gear; 105. staggered baffle. DETAILED DESCRIPTION

[0031] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0032] Example

[0033] See also Figure 1 - Fig.10 As shown, a water-cooled screen positioning and maintenance device comprises a maintenance machine base 1, on which two groups of symmetrically distributed rotating toothed discs 2 are rotatably connected, on which a meshing gear ring 3 is slidably connected, a limited sliding groove 21 is provided on the rotating toothed disc 2, one end of the meshing gear ring 3 performs limited sliding in the limited sliding groove 21, a spring is fixedly connected between one side of the rotating toothed disc 2 and one side of the meshing gear ring 3, the spring elastic force is greater than the self-gravity of the water-cooled screen tube, and can stably support the water-cooled screen tube, the inner wall of the meshing gear ring 3 is meshed with a plurality of circular array-distributed positioning gears 4, a connecting arm 5 is fixedly connected to the positioning gear 4, the end of the connecting arm 5 is rotatably connected to a positioning wheel 6, the end of the positioning gear 4 is rotatably connected to a fixed base 7, and one end of the fixed base 7 is fixedly connected to one end of the rotating toothed disc 2; during the feeding of the water-cooled screen tube, due to the rotation There is a spring connection between the movable gear plate 2 and the meshing gear ring 3, so the spacing between them is elastically positioned. In the initial state, the meshing gear ring 3 is in a state away from the rotating gear plate 2, and each connecting arm 5 shrinks toward the center point of the meshing gear ring 3. When the water-cooling screen tube is loaded, the water-cooling screen tube is squeezed by multiple positioning wheels 6 in the circular array, and the center of the water-cooling screen tube gradually overlaps with the center point of the meshing gear ring 3. During the overlapping period, the water-cooling screen tube can maintain the feeding work. At the same time, each elastically positioned positioning wheel 6 can automatically adapt to water-cooling screen tubes of different sizes at the same time, and then achieve automatic positioning and clamping of water-cooling screen tubes of different sizes, so that water-cooling screen tubes of different sizes are always positioned at the same center, which is convenient for the welding head or cutting machine to perform maintenance work, and reduces the workload of automatic capture of the welding head or cutting machine. A rotating device 8, which is arranged on the maintenance machine base 1, and is used to drive the meshing gear ring 3 to rotate; a locking device 9, which is arranged on the maintenance machine base 1, and is used to be driven by the rotating device 8 to lock the rotation angle of the meshing gear ring 3; a two-way front stop device 10, which is arranged on the maintenance machine base 1, and is used to limit the maintenance point of the maintenance machine base 1.

[0034] In this embodiment, the rotating device 8 includes an active motor 81, the end of which is installed on the maintenance machine base 1, the output shaft of the active motor 81 is connected to a driving gear shaft 82, the driving gear shaft 82 is fixedly connected to an active block 83, one side of the active block 83 is fixedly connected to an auxiliary block 84 through an arc spring, the driving gear shaft 82 is located at the auxiliary block 84 and is sleeved with a driving gear seat 85, the auxiliary block 84 is located between the inner ring of the driving gear seat 85 and the outer ring of the driving gear shaft 82 and slides, the interior of the driving gear seat 85 is fixedly connected to a passive block 86, and the interior of the driving gear seat 85 is elastically connected to a plurality of teeth 87 distributed in a circular array through a torsion spring. The driving gear shaft 82 is driven by the active motor 81, and the driving gear shaft 82 is first rotated by the active block 83. At this time, the driving gear seat 85 is fixed as a whole by its own friction force. The arc spring on the active block 83 will first perform a compression work. When the spring is compressed to a certain state, the auxiliary block 84 drives the passive block 86 to rotate, and the passive block 86 drives the driving gear seat 85 to rotate as a whole. At this time, the driving gear seat 85 can drive the rotating gear plate 2 to rotate through each unidirectional tooth 87 of its internal array. When the positioning wheels 6 distributed in a plurality of circular arrays rotate with the meshing gear ring 3 on the connecting arm 5, the water-cooled screen tube can be driven to rotate synchronously by the clamping squeezing effect, and then the effect of driving the water-cooled screen tube to rotate and repair is achieved, which further reduces the work required for the welding head or cutting machine to rotate. The water-cooled screen tube is controlled by a single motor to rotate in a simple manner, which further reduces the operation volume of the welding head or cutting machine, and also abandons the working space required for the welding head or cutting machine to rotate, thereby increasing the remaining space of the maintenance machine base 1.

[0035] Furthermore, a one-way limit groove 88 is opened inside the driving gear seat 85, and both ends of the tooth 87 are rotatably connected inside the one-way limit groove 88, and a protrusion is provided on the tooth 87. Through the setting of the one-way limit groove 88 and the protrusion, the tooth 87 can only rotate in one direction, thereby ensuring the purpose of the tooth 87 engaging the rotating gear plate 2 during unidirectional revolution, and avoiding the problem of the tooth 87 affecting the rotating gear plate 2 during reverse revolution. The tooth 87 is used to engage the rotating gear plate 2 for rotation, and the surface of the driving gear shaft 82 is rotatably connected to the maintenance machine base 1. The end of the driving gear seat 85 is rotatably connected to the maintenance machine base 1, and the surface of the passive block 86 is in contact with the surface of the auxiliary block 84.

[0036] It is worth noting that the rotating device 8 also includes a fan 811 and a filter cartridge 812, and the fan 811 and the filter cartridge 812 are fixedly connected to the driving gear shaft 82. During the rotation maintenance of the water-cooled screen tube, the rotating driving gear shaft 82 will drive the fan 811 and the filter cartridge 812 to rotate synchronously. During the rotation of the fan 811, the wind force generated acts on the maintenance end of the water-cooled screen tube, thereby achieving the effect of automatically cooling and cleaning the end thereof, and the filter cartridge 812 can filter the debris. A receiving base 813 is fixedly connected to the maintenance base 1, and the filter cartridge 812 rotates on the receiving base 813. The surface of the filter cartridge 812 is rotatably connected to a receiving base 813, and both sides of the receiving base 813 are fixedly connected to material guide plates 814. When the filter cartridge 812 rotates, the material guide plates 814 can achieve the effects of scraping and guiding materials. The other two sides of the receiving base 813 are elastically connected to vibration rods 815 through torsion springs. Both ends of the filter cartridge 812 are fixedly connected to cams 816. When the filter cartridge 812 rotates, the cams 816 thereon can also generate a vibration effect after contacting the vibration rods 815, thereby achieving the purpose of vibration unloading, thereby avoiding the problem of debris clogging on the filter cartridge 812.

[0037] It is worth noting that the end of the active block 83 is fixedly connected with a connecting ring 89, and an arc-shaped telescopic tube 810 (such as Figure 7 As shown in the figure, the interior of the arc-shaped telescopic tube 810 is connected with the interior of the active block 83, and the interior of the active block 83 is connected with the interior of the connecting ring 89 through a groove, and the connecting ring 89 rotates synchronously with the active block 83. The locking device 9 includes a connecting base 91, and the end of the driving gear seat 85 and the end of the connecting ring 89 are both rotatably connected to the connecting base 91, and the connecting base 91 is fixedly connected to the maintenance machine base 1. The interior of the connecting ring 89 is connected with the interior of the connecting base 91, and the arc-shaped telescopic tube 810 will be compressed synchronously. The connecting base 91 is fixedly connected with a gas pressure chamber 92, and the gas in the arc-shaped telescopic tube 810, the active block 83, the connecting ring 89, the connecting base 91 and the gas in the gas pressure chamber 92 is set to a constant state. The internal piston of the gas pressure chamber 92 is connected with a plug rod 93, and the end of the plug rod 93 is fixedly connected with a clamping seat 94. The interior of the connecting base 91 is connected with the interior of the gas pressure chamber 92, and the clamping seat 94 is used to position the meshing gear ring 3 at different positions. When the arc-shaped telescopic tube 810 is compressed, the air pressure acts on the plug rod 93 in the air pressure chamber 92 through the connecting effect. The plug rod 93 generates power to move outward and drives the clamping seat 94 to move upward as a whole. After the clamping seat 94 moves upward, it can achieve the effect of clamping and positioning the position of the meshing gear ring 3, thereby ensuring the stability of the distance between the meshing gear ring 3 and the rotating gear plate 2. When the position of the meshing gear ring 3 is positioned, the angle of the positioning gear 4 is engaged and positioned, and then the connecting arm 5 and the positioning wheel 6 can be fixed. Each positioning wheel 6 can achieve the effect of tightly clamping the water-cooling screen tube, thereby ensuring the stability of the water-cooling screen tube when subjected to external forces during maintenance.

[0038] Furthermore, the bidirectional front stop device 10 includes a mounting base 101, which is fixedly mounted on the maintenance machine base 1, and an electric push rod 102 is fixedly mounted on the mounting base 101. A tooth plate 103 is clamped and connected to the output shaft of the electric push rod 102, and a switching gear 104 is meshed on the tooth plate 103. The end of the switching gear 104 is fixedly connected to a staggered baffle 105, which is composed of two staggered plates, and is respectively used to limit the position of the water-cooled screen tube for left-side loading or the water-cooled screen tube for right-side loading, and the end of the staggered baffle 105 is rotatably connected to the mounting base 101. Before loading the water-cooling screen tube, the electric push rod 102 is controlled to operate according to the loading direction, and the electric push rod 102 controls the forward and backward movement of the output shaft to achieve the effect of driving the tooth plate 103 to move forward and backward. It is assumed that there is a maintenance center area on the maintenance machine base 1, and the water-cooling screen tubes loaded on the left and right sides share the same center plane. Due to the thickness of the commonly used baffles, it is impossible to synchronously limit the water-cooling screen tubes loaded on both sides at the same time. Here, two staggered baffles, namely staggered baffles 105, are designed; when the water-cooling screen tube is loaded from the left side, the angle of the staggered baffle 105 is as follows: Figure 6 and Fig. 9 As shown in , at this time, one side of the staggered baffle 105 serves as one side of the right water-cooling screen tube, that is, when the left water-cooling screen tube is loaded and abuts against the staggered baffle 105, it is equivalent to abutting against the right water-cooling screen; when the water-cooling screen tube is loaded from the right side, the staggered baffle 105 rotates 180 degrees, and the latter replaces the former to limit the water-cooling screen tube loaded on the right side. The tooth plate 103 can achieve the purpose of driving the switching gear 104 to rotate at different angles during the forward and backward movement. Regardless of which side the water-cooling screen tube is loaded, the maintenance end can be accurately positioned by the restriction of the staggered baffle 105, so that the maintenance end is always located in the central area of ​​the maintenance, thereby reducing the workload of the welding head or the automatic capture of the cutting machine.

[0039] Fig.10 It is a suspended radiation water-cooled screen tube, with a total of four groups, each consisting of three parts: downcomer, header, and water-cooled screen tube group. 1. The function of the downcomer is to make the water in the boiler drum drop to the external header. The downcomer is divided into two groups, and each group leads to two branch pipes connected to two external headers; 2. The function of the header is to connect the downcomer and the water-cooled screen tube group. The bottom is equipped with a drain pipe to discharge impurities in the water; 3. The water-cooled screen tube group is placed in the furnace as a radiation heating surface. There are four groups in total, with a membrane wall structure made of steel pipes and flat steel. The steam-water mixture generated by the radiation heat exchange of the water flowing through the header rises to the boiler drum, thus forming a cycle. The entire radiation water-cooled screen is made of 20GB / T3087 seamless steel pipes, and its strength can withstand 1.25MPa steam pressure to ensure safe use.

[0040] When a water-cooled screen positioning and maintenance device of the present invention is in use, two groups of mutually symmetrical rotating toothed discs 2 are arranged on the maintenance machine base 1, and the structures corresponding to the rotating toothed discs 2 are arranged in two groups, which are used to position and clamp the two groups of water-cooled screen tubes. Before the water-cooled screen tubes are loaded, the electric push rod 102 is controlled to operate according to the loading direction, and the electric push rod 102 controls the forward and backward movement of the output shaft to achieve the effect of driving the toothed plate 103 to move forward and backward. The toothed plate 103 can achieve the purpose of driving the switching gear 104 to rotate at different angles during the forward and backward movement. The staggered baffle 105 is composed of two staggered plate combinations, which are respectively used to limit the position of the water-cooled screen tube loaded on the left side or the water-cooled screen tube loaded on the right side. No matter which side the water-cooled screen tube is loaded, the maintenance end can be accurately positioned by the restriction of the staggered baffle 105, so that the maintenance end is always located in the central area of ​​the maintenance, thereby reducing the workload of the welding head or the automatic capture of the cutting machine. At the same time, during the feeding of the water-cooling screen tube, since there is a spring connection between the rotating gear disc 2 and the meshing gear ring 3, the spacing between them is elastically positioned. In the initial state, the meshing gear ring 3 is in a state away from the rotating gear disc 2, and each connecting arm 5 shrinks toward the center point of the meshing gear ring 3. When the water-cooling screen tube is fed, the water-cooling screen tube is squeezed by multiple positioning wheels 6 in the circular array, and the center of the water-cooling screen tube gradually overlaps with the center point of the meshing gear ring 3. During the overlapping period, the water-cooling screen tube can maintain the feeding operation. At the same time, each elastically positioned positioning wheel 6 can automatically adapt to water-cooling screen tubes of different sizes at the same time, and then achieve automatic positioning and clamping of water-cooling screen tubes of different sizes, so that water-cooling screen tubes of different sizes are always positioned at the same center, which is convenient for the welding head or cutting machine to perform maintenance work, and reduces the workload of automatic capture of the welding head or cutting machine.

[0041] After the water-cooling screen tube is initially positioned and clamped, the active motor 81 is started, and the output shaft of the active motor 81 drives the driving gear shaft 82 to rotate. The driving gear shaft 82 first rotates through the active block 83. At this time, the driving gear seat 85 is fixed as a whole by its own friction force. When the active block 83 rotates in the driving gear seat 85, it drives the auxiliary block 84 to work synchronously through the spring. The auxiliary block 84 cannot drive the passive block 86 to rotate at the beginning of rotation. The arc spring on the active block 83 will first perform a compression work, and the power of the auxiliary block 84 on the passive block 86 will increase with the compression of the spring. When the spring is compressed to a certain state, the auxiliary block 84 drives the passive block 86 to rotate, and during the compression of the spring on the active block 83, the arc telescopic tube 810 Synchronous compression will be performed, and the gas in the arc-shaped telescopic tube 810, the active block 83, the connecting ring 89, the connecting base 91 and the air pressure chamber 92 is set to a constant state. When the arc-shaped telescopic tube 810 is compressed, the air pressure acts on the plug rod 93 in the air pressure chamber 92 through the connecting effect. The plug rod 93 generates power to move outward and drives the clamping seat 94 to move up as a whole. After the clamping seat 94 moves up, it can achieve the effect of clamping and positioning the position of the meshing gear ring 3, thereby ensuring the stability of the distance between the meshing gear ring 3 and the rotating gear plate 2. When the position of the meshing gear ring 3 is positioned, the angle of the positioning gear 4 is engaged and positioned, and then the connecting arm 5 and the positioning wheel 6 can be fixed. Each positioning wheel 6 can achieve the effect of tightly clamping the water-cooled screen tube, thereby ensuring the stability of the water-cooled screen tube when subjected to external force during maintenance. When the spring is compressed to a certain state, the auxiliary block 84 drives the passive block 86 to rotate, and the passive block 86 drives the driving gear seat 85 to rotate as a whole. At this time, the driving gear seat 85 can drive the rotating gear plate 2 to rotate through the unidirectional teeth 87 of its internal array. During the period when the teeth 87 are engaged to drive the rotating gear plate 2, the spring on the active block 83 still maintains the previous compression state, and the rotating gear plate 2 can drive the meshing gear ring 3 to rotate as a whole through the limiting slide groove 21 during the rotation. Since the positioning wheel 6 is in a state of tightly clamping the water-cooled screen tube at this time, and the horizontally placed positioning The wheel 6 can increase the friction force of the rotation of the water-cooled screen tube, so when the positioning wheels 6 distributed in a plurality of circular arrays rotate with the meshing gear ring 3 on the connecting arm 5, the water-cooled screen tube can be driven to rotate synchronously, thereby achieving the effect of driving the water-cooled screen tube for rotation maintenance, further reducing the work required for the welding head or cutting machine to rotate. The control is simple by controlling the water-cooled screen tube to rotate by a single motor, further reducing the operating volume of the welding head or cutting machine, and also giving up the working space required for the welding head or cutting machine to rotate, thereby increasing the remaining space of the maintenance machine base 1.When the water-cooled screen tube completes the maintenance work of rotation, the driving gear shaft 82 is driven by the active motor 81 to rotate in the opposite direction. During the reverse rotation, the active block 83 will preferentially move away from the auxiliary block 84, and the spring on the active block 83 will gradually reset until the active block 83 and the auxiliary block 84 return to the initial state. During this period, the auxiliary block 84 will not drive the passive block 86 and the driving gear shaft 82 to rotate, that is, the rotating gear disc 2 remains in a fixed state, and the reset arc-shaped telescopic tube 810 will restore the internal air pressure state, and the plug rod 93 and the holder 94 will move downward. After the movement, the holder 94 automatically loses the positioning effect on the meshing gear ring 3. At this time, the water-cooled screen tube can be directly unloaded.

[0042] Furthermore, during the rotation maintenance of the water-cooled screen tube, the rotating drive gear shaft 82 will drive the fan 811 and the filter cartridge 812 to rotate synchronously. During the rotation of the fan 811, the wind force generated acts on the maintenance end of the water-cooled screen tube, thereby achieving the effect of automatic cooling and cleaning of its end, and the filter cartridge 812 can filter the debris. When the filter cartridge 812 rotates, the cam 816 thereon can also generate a vibration effect after contacting the vibration rod 815, thereby achieving the purpose of vibration unloading, thereby avoiding the problem of debris clogging on the filter cartridge 812. At the same time, the guide plate 814 also has the effect of scraping and guiding materials.

[0043] The above implementation methods are only used to illustrate the embodiments of the present invention, and are not limitations of the embodiments of the present invention. Ordinary technicians in the relevant technical field may make various changes and modifications without departing from the spirit and scope of the embodiments of the present invention. Therefore, all equivalent technical solutions also belong to the scope of the embodiments of the present invention. The patent protection scope of the embodiments of the present invention should be defined by the claims.

Claims

1. A water cooling screen positioning and maintenance device, characterized in that: include: A maintenance machine base (1), wherein a rotating toothed disc (2) is rotatably connected to the maintenance machine base (1), a meshing gear ring (3) is slidably connected to the rotating toothed disc (2), the inner wall of the meshing gear ring (3) is meshed with a plurality of positioning gears (4) distributed in a circular array, a connecting arm (5) is fixedly connected to the positioning gear (4), the end of the connecting arm (5) is rotatably connected to a positioning wheel (6), and the end of the positioning gear (4) is rotatably connected to a fixed base (7); A rotating device (8), the rotating device (8) being arranged on the maintenance machine base (1) and being used for driving the meshing gear ring (3) to rotate; A locking device (9), the locking device (9) being arranged on the maintenance machine base (1) and being used to be driven by the rotating device (8) to lock the rotation angle of the meshing gear ring (3); A two-way front stop device (10) is arranged on a maintenance machine base (1) and is used to define a maintenance point of the maintenance machine base (1).

2. The water cooling panel positioning and maintenance device according to claim 1 is characterized in that: A limit slide groove (21) is provided on the rotating gear disc (2), and one end of the meshing gear ring (3) slides within the limit slide groove (21). A spring is fixedly connected between one side of the rotating gear disc (2) and one side of the meshing gear ring (3), and one end of the fixed base (7) is fixedly connected to one end of the rotating gear disc (2).

3. The water cooling panel positioning and maintenance device according to claim 1 is characterized in that: The rotating device (8) comprises an active motor (81), the end of which is mounted on a maintenance machine base (1), the output shaft of the active motor (81) is connected to a driving gear shaft (82), an active block (83) is fixedly connected to the driving gear shaft (82), one side of the active block (83) is fixedly connected to an auxiliary block (84) via an arc spring, a driving gear shaft (82) is provided with a driving gear seat (85) sleeved on the auxiliary block (84), the auxiliary block (84) is located between the inner ring of the driving gear seat (85) and the outer ring of the driving gear shaft (82) and slides, a passive block (86) is fixedly connected to the inside of the driving gear seat (85), and a plurality of teeth (87) distributed in a circular array are elastically connected to the inside of the driving gear seat (85) via a torsion spring.

4. The water cooling panel positioning and maintenance device according to claim 3 is characterized in that: A one-way limiting groove (88) is provided inside the driving tooth seat (85), both ends of the tooth (87) are rotatably connected inside the one-way limiting groove (88), and a protrusion is provided on the tooth (87), the tooth (87) is used to engage the rotating toothed disc (2) to rotate, the surface of the driving gear shaft (82) is rotatably connected to the maintenance machine seat (1), the end of the driving tooth seat (85) is rotatably connected to the maintenance machine seat (1), and the surface of the passive block (86) is in contact with the surface of the auxiliary block (84).

5. The water-cooling panel positioning and maintenance device according to claim 3 is characterized in that: The end of the active block (83) is fixedly connected with a connecting ring (89), an arc-shaped telescopic tube (810) is provided between the active block (83) and the auxiliary active block (84), the interior of the arc-shaped telescopic tube (810) is connected with the interior of the active block (83), and the interior of the active block (83) is connected with the interior of the connecting ring (89) through a groove.

6. The water cooling panel positioning and maintenance device according to claim 3 is characterized in that: The rotating device (8) also includes a fan (811) and a filter cartridge (812), wherein the fan (811) and the filter cartridge (812) are both fixedly connected to the driving gear shaft (82), a receiving base (813) is fixedly connected to the maintenance machine base (1), the filter cartridge (812) is rotatably connected to the receiving base (813), both sides of the receiving base (813) are fixedly connected to material guide plates (814), the other two sides of the receiving base (813) are elastically connected to vibration rods (815) via torsion springs, and both ends of the filter cartridge (812) are fixedly connected to cams (816).

7. The water cooling panel positioning and maintenance device according to claim 5 is characterized in that: The locking device (9) comprises a connecting base (91), the connecting base (91) is fixedly connected to the maintenance machine base (1), the connecting base (91) is fixedly connected to a pneumatic chamber (92), the internal piston of the pneumatic chamber (92) is connected to a plug rod (93), the end of the plug rod (93) is fixedly connected to a clamping seat (94), the interior of the connecting base (91) is connected to the interior of the pneumatic chamber (92), and the clamping seat (94) is used to position the meshing gear ring (3) at different positions.

8. The water cooling panel positioning and maintenance device according to claim 7 is characterized in that: The end of the driving gear seat (85) is rotatably connected to the connecting base (91), and the interior of the connecting ring (89) is connected to the interior of the connecting base (91).

9. The water cooling panel positioning and maintenance device according to claim 1, characterized in that: The bidirectional front stop device (10) comprises a mounting base (101), wherein the mounting base (101) is fixedly mounted on a maintenance machine base (1), an electric push rod (102) is fixedly mounted on the mounting base (101), a tooth plate (103) is connected to the output shaft of the electric push rod (102), a switching gear (104) is meshed on the tooth plate (103), an end of the switching gear (104) is fixedly connected to a staggered baffle (105), and an end of the staggered baffle (105) is rotatably connected to the mounting base (101).

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