Cylinder opening device for pressure-bearing special equipment

Abstract

The utility model belongs to the technical field of cylinder hole drilling, specifically, a cylinder hole drilling device for pressure-bearing special equipment, including a bottom plate of the hole drilling device, a cylinder fixing component of the pressure-bearing equipment is installed on the top of the bottom plate of the hole drilling device, and a cylinder hole drilling component is arranged on the top of the cylinder fixing component of the pressure-bearing equipment, and a lifting component is installed on the side of the cylinder hole drilling component, a clearance moving groove is arranged inside the bottom plate of the hole drilling device, the cylinder fixing component of the pressure-bearing equipment includes a fixed support block, and the internal thread of the fixed support block is connected with a fastening bolt, and the end of the fastening bolt is fixedly connected with a fastening clamping block, a first cylinder limiting block is arranged on the side of the fastening clamping block, and a connecting clamping block is integrally connected to the bottom of the first cylinder limiting block; the utility model is more labor-saving and convenient when fixing the cylinder, and can prevent the cylinder from moving during the drilling process to affect the drilling work.

Description

Technical Field

[0001] The utility model relates to the technical field of cylinder hole opening, in particular to a cylinder hole opening device for pressure-bearing special equipment. Background Art

[0002] Pressure-bearing special equipment refers to special equipment that must withstand a certain pressure during use, including but not limited to boilers, pressure vessels, pressure pipes, etc. These equipment play an important role in industrial production, energy development and other fields, but at the same time there are certain safety hazards, which require special management and maintenance measures.

[0003] In Chinese Patent 202110610176.9, the present invention relates to a pressure vessel cylinder hole opening device, including a base frame, a support frame and a hole opening device, wherein a support frame is installed on the right side of the upper end of the base frame, the support frame is a rectangular structure, an arc groove is provided in the middle of the support frame, and a hole opening device is installed on the left side of the upper end of the base frame. The present invention can solve the problem that when the existing equipment is opening holes in the pressure vessel, different molds need to be replaced when opening holes of different sizes, resulting in poor hole opening effect and low hole opening efficiency of the cylinder, affecting the processing efficiency of the cylinder, and the existing equipment cannot accurately adjust the size of the hole when opening holes in the pressure vessel, and the adjustment effect is poor and the adjustment is inaccurate, resulting in deviations in the accuracy of the holes on the cylinder, affecting the subsequent assembly accuracy of the cylinder and other problems.

[0004] The existing cylinder hole-punching device for pressure-bearing special equipment uses a support bracket with an arc groove to support and fix the cylinder. The cylinder is cylindrical, and the drill bit will produce a certain impact force on the cylinder during the hole-punching process, which can easily lead to poor fixing effect during the punching process. The cylinder slides on the support bracket, resulting in the position of the punching being offset. In addition, the two sides of the support bracket are relatively high, and the cylinder of the pressure vessel has a certain weight, so it is more laborious to place the cylinder on the support bracket.

[0005] Therefore, in view of the above problems, a cylinder opening device for pressure-bearing special equipment is proposed. Utility Model Content

[0006] In order to make up for the deficiencies of the prior art, the present invention solves the problem that the existing cylinder hole opening device for pressure-bearing special equipment uses a support bracket with an arc groove to support and fix the cylinder, the cylinder is cylindrical, and the drill bit will produce a certain impact force on the cylinder during the hole opening process, which may easily lead to poor fixing effect during the drilling process, the cylinder slides on the support bracket, resulting in the position of the drilling being offset, and the two sides of the support bracket are relatively high, and the cylinder of the pressure vessel has a certain weight, and it is more laborious to place the cylinder on the support bracket.

[0007] The technical solution adopted by the utility model to solve its technical problems is: the cylinder hole opening device for pressure-bearing special equipment described in the utility model comprises a bottom plate of the hole opening device, a pressure-bearing equipment cylinder fixing component is installed on the top of the bottom plate of the hole opening device, and a cylinder hole opening component is arranged on the top of the pressure-bearing equipment cylinder fixing component, and a lifting component is installed on the side of the cylinder hole opening component, a makeshift moving groove is arranged inside the bottom plate of the hole opening device, the cylinder fixing component of the pressure-bearing equipment comprises a fixed support block, and the internal thread of the fixed support block is connected with a fastening bolt, and the end of the fastening bolt is fixedly connected with a fastening clamping block, a first cylinder limit block is arranged on the side of the fastening clamping block, and the bottom of the first cylinder limit block is integrally connected with a connecting block, the internal thread of the connecting block is connected with a connecting bolt, and the external snap-fit ​​connection of the connecting block is connected with a second cylinder limit block, and the bottom of the second cylinder limit block is fixedly connected with a moving slider.

[0008] Preferably, the second cylinder limit block moves the slider to allow the movable groove to form a sliding structure with the bottom plate of the hole-opening device, and the inner diameter of the second cylinder limit block is consistent with the inner diameter of the first cylinder limit block.

[0009] Preferably, the connecting block and the second cylinder limiting block form a locking structure, and the cross-sectional shape of the connecting block is set to be a right triangle.

[0010] Preferably, the cylinder hole opening assembly includes a motor support plate, a servo motor is installed on the top of the motor support plate, and the side of the servo motor is fixedly connected to a motor mounting bracket, the bottom end of the servo motor is rotatably connected to a motor shaft, and a circular hole is arranged on the outside of the motor shaft, the bottom end of the motor shaft is fixedly connected to a threaded recess, and the external thread of the threaded recess is connected to a connecting nut, the internal snap-fit ​​connection of the threaded recess is connected to a threaded protrusion, and the bottom of the threaded protrusion is fixedly connected to a cylinder hole opening drill bit.

[0011] Preferably, the threaded protrusion and the threaded recess form a snap-fit ​​structure, and the threaded protrusion and the threaded recess form a detachable structure through a connecting nut, the circular hole is opened inside the motor support plate, and the inner diameter of the circular hole is larger than the outer diameter of the motor shaft.

[0012] Preferably, the lifting assembly includes a lifting column shell, and a hydraulic lifting rod is installed inside the lifting column shell, and the top of the hydraulic lifting rod is fixedly connected to a lifting support plate, one side of the lifting support plate is fixedly connected to a limiting slider, and the other side of the lifting support plate is fixedly connected to a connecting slider.

[0013] Preferably, the lifting support plate forms a lifting structure through a hydraulic lifting rod and a lifting column shell, and the lifting support plate forms a sliding structure with the lifting column shell through a limiting slider, two connecting sliders are symmetrically arranged about the vertical center axis of the lifting support plate, and the connecting slider is fixedly connected to the motor support plate.

[0014] The utility model is beneficial in that:

[0015] 1. The utility model is provided with a pressure-bearing equipment cylinder fixing assembly, and the cylinder limit block with a groove in the middle can be separated, and the second cylinder limit block can be moved backward and to the side, so that the cylinder of the pressure-bearing equipment that needs to be drilled can be directly rolled to the side of the first cylinder limit block. Compared with the method of directly placing the cylinder into the groove from above, this new method is more labor-saving, and the cross-section of the connecting block on the side of the first cylinder limit block is designed to be a right-angled triangle shape, with a slope, so that the cylinder can be pushed onto the first cylinder limit block, and a tightening bolt that can be screwed is provided, so that the end of the bolt can be matched with the end of the cylinder limit block to clamp and fix the cylinder, so as to prevent the cylinder from deviating during the hole opening process;

[0016] 2. The utility model is provided with a cylinder hole opening component, and a circular hole with a hole diameter larger than the diameter of the motor shaft is opened at the position where the motor support plate is connected to the motor shaft, so that the motor shaft can not contact the motor support plate during rotation, thereby reducing friction. In addition, threaded recesses and threaded protrusions that engage with each other are provided, and installation and disassembly can be achieved using connecting nuts, thereby facilitating disassembly of the cylinder hole opening drill bit. The structure is simple and the operation is convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0018] Figure 1 It is a three-dimensional structural schematic diagram of the overall working state of the utility model;

[0019] Figure 2 This is a schematic diagram of the three-dimensional structure of the utility model before the overall cylinder is placed;

[0020] Figure 3 It is a three-dimensional structural schematic diagram of a partially opened state of a cylinder fixing assembly of a pressure-bearing equipment of the utility model;

[0021] Figure 4It is a three-dimensional structural schematic diagram of the cylinder opening component part of the utility model;

[0022] Figure 5 It is a three-dimensional structural schematic diagram of the lifting component part of the utility model.

[0023] In the figure: 1. Bottom plate of hole-opening device; 2. Fixed assembly of cylinder of pressure-bearing equipment; 3. Lifting assembly; 4. Cylinder hole-opening assembly; 5. Displacement moving groove; 201. Fixed support block; 202. Fastening bolt; 203. Fastening clamping block; 204. First cylinder limit block; 205. Connecting block; 206. Connecting bolt; 207. Second cylinder limit block; 208. Moving slider; 301. Lifting column housing; 302. Hydraulic lifting rod; 303. Lifting support plate; 304. Limiting slider; 305. Connecting slider; 401. Motor support plate; 402. Servo motor; 403. Motor mounting bracket; 404. Motor shaft; 405. Circular hole; 406. Threaded concave block; 407. Connecting nut; 408. Threaded protrusion; 409. Cylinder hole-opening drill bit. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] Embodiment 1

[0026] See also Figure 1 As shown, a cylinder hole opening device for pressure-bearing special equipment comprises a hole opening device bottom plate 1, a pressure-bearing equipment cylinder fixing component 2 is installed on the top of the hole opening device bottom plate 1, and a cylinder hole opening component 4 is arranged on the top of the pressure-bearing equipment cylinder fixing component 2, and a lifting component 3 is installed on the side of the cylinder hole opening component 4, and a make-way movable groove 5 is opened inside the hole opening device bottom plate 1.

[0027] See also Figure 2 and Figure 3As shown, a cylinder hole-opening device for pressure-bearing special equipment, the cylinder fixing assembly 2 of the pressure-bearing equipment is used to fix the cylinder, the second cylinder limit block 207 moves the slider 208 to make way for the moving groove 5 and the bottom plate 1 of the hole-opening device to form a sliding structure, and the inner diameter of the second cylinder limit block 207 is consistent with the inner diameter of the first cylinder limit block 204, the connecting block 205 and the second cylinder limit block 207 form a snap-fit ​​structure, and the cross-sectional shape of the connecting block 205 is set to a right triangle, the cylinder limit blocks with a groove in the middle can be separated, and the second cylinder limit block 207 can move backward and toward the side The cylinder body for the pressure-bearing equipment that needs to be drilled can be moved sideways to the side of the first cylinder body limit block 204. Compared with the method of directly placing the cylinder body into the groove from above, this new method is more labor-saving. The cross-section of the connecting block 205 on the side of the first cylinder body limit block 204 is designed to be a right-angled triangle with a slope, so that the cylinder body can be pushed onto the first cylinder body limit block 204. A screwable fastening bolt 202 is provided, and its end can be used to cooperate with the end of the cylinder body limit block to clamp and fix the cylinder body to prevent the cylinder body from shifting during the drilling process.

[0028] See also Figure 4 As shown, a cylinder hole opening device for pressure-bearing special equipment, the cylinder hole opening component 4 is used to open a hole in the cylinder, the threaded protrusion 408 and the threaded recessed block 406 form a snap-fit ​​structure, and the threaded protrusion 408 and the threaded recessed block 406 form a detachable structure through a connecting nut 407, a circular hole 405 is opened inside the motor support plate 401, and the inner diameter of the circular hole 405 is larger than the outer diameter of the motor shaft 404, and the motor support plate 401 is opened at the position connected to the motor shaft 404. The circular hole 405 with a hole diameter larger than the diameter of the motor shaft 404 can prevent the motor shaft 404 from contacting the motor support plate 401 during rotation, thereby facilitating the reduction of friction, and threaded recessed blocks 406 and threaded protrusions 408 that snap-fit ​​each other are provided, and installation and disassembly can be achieved using the connecting nut 407, thereby facilitating the disassembly of the cylinder hole opening drill bit 409, and the structure is simple and the operation is convenient.

[0029] See also Figure 5As shown, a cylinder hole-opening device for pressure-bearing special equipment, the lifting component 3 is used to lift and lower the drill bit to realize the hole-opening work, and a hydraulic lifting rod 302 is installed inside the lifting column shell 301, and the top of the hydraulic lifting rod 302 is fixedly connected with a lifting support plate 303, one side of the lifting support plate 303 is fixedly connected with a limiting slider 304, and the other side of the lifting support plate 303 is fixedly connected with a connecting slider 305, the lifting support plate 303 forms a lifting structure with the lifting column shell 301 through the hydraulic lifting rod 302, and the lifting support plate 303 forms a sliding structure with the lifting column shell 301 through the limiting slider 304, two connecting sliders 305 are symmetrically arranged about the vertical center axis of the lifting support plate 303, and the connecting slider 305 is fixedly connected to the motor support plate 401.

[0030] Working principle: First, move the second cylinder stop block 207 along the clearance moving groove 5 in the direction away from the first cylinder stop block 204. When it moves to the turning point of the clearance moving groove 5, it continues to slide along the clearance moving groove 5 until there is no obstruction in front of the opening of the first cylinder stop block 204. At this time, roll the cylinder for the pressure-bearing equipment that needs to be opened to the opening of the first cylinder stop block 204, and then slide the second cylinder stop block 207 back along the clearance moving groove 5. In the original position, when the second cylinder stop block 207 is about to be combined with the first cylinder stop block 204, push the cylinder upward to move the cylinder along the inclined surface of the connecting block 205 to the top of the first cylinder stop block 204, and at the same time, the side of the second cylinder stop block 207 is clamped with the connecting block 205 on the side of the first cylinder stop block 204, and then the connecting bolt 206 is screwed into the side of the second cylinder stop block 207 and the inside of the connecting block 205 in sequence to fix it;

[0031] At this time, the cylinder can still be rolled and adjusted in the groove above the first cylinder limit block 204 and the second cylinder limit block 207, so that the position where the hole needs to be drilled is opposite to the cylinder hole drilling drill 409 above, and then the fastening bolt 202 is tightened, and the fastening clamping block 203 at the end of the fastening bolt 202 is tightly against one end of the cylinder, thereby clamping and positioning the cylinder, so that the cylinder cannot continue to move during the hole drilling process, and then the hydraulic lifting rod 302 and the servo motor 402 are started, and the servo motor 402 rotates together with the threaded concave block 406 at the bottom thereof through the motor shaft 404, and then rotates together with the cylinder hole drilling drill 409 through the threaded protrusion 408, and at the same time, the hydraulic lifting rod 302 slowly moves downward with the lifting support plate 303, and the lifting support plate 303 moves downward with the motor support plate 401 through the connecting slider 305, and then moves downward with the cylinder hole drilling drill 409 rotating at the bottom thereof, and slowly drills into the interior of the cylinder;

[0032] When the barrel hole drilling drill bit 409 is worn out after working for a long time and needs to be replaced, it is only necessary to screw the connecting nut 407 to make the connecting nut 407 move upward, and the thread on its inner wall will be separated from the thread on the outer wall of the threaded protrusion 408. At this time, the threaded protrusion 408 can be removed from the bottom of the threaded recess 406 with the barrel hole drilling drill bit 409, and then replace the new threaded protrusion 408 and the barrel hole drilling drill bit 409, and then install and fix them under the threaded recess 406 through the connecting nut 407.

[0033] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.

Claims

1. A cylinder hole opening device for pressure-bearing special equipment, characterized in that: The device comprises a hole-opening device bottom plate (1), a pressure-bearing equipment cylinder fixing assembly (2) is installed on the top of the hole-opening device bottom plate (1), a cylinder hole-opening assembly (4) is arranged on the top of the pressure-bearing equipment cylinder fixing assembly (2), and a lifting assembly (3) is installed on the side of the cylinder hole-opening assembly (4), and a clearance moving groove (5) is arranged inside the hole-opening device bottom plate (1); The pressure-bearing equipment cylinder fixing assembly (2) comprises a fixing support block (201), and the fixing support block (201) is internally threadedly connected with a fastening bolt (202), and the end of the fastening bolt (202) is fixedly connected with a fastening clamping block (203), a first cylinder limit block (204) is arranged on the side of the fastening clamping block (203), and the bottom of the first cylinder limit block (204) is integrally connected with a connecting clamping block (205), the internal thread of the connecting clamping block (205) is connected with a connecting bolt (206), and the outside of the connecting clamping block (205) is snap-connected with a second cylinder limit block (207), and the bottom of the second cylinder limit block (207) is fixedly connected with a moving slider (208).

2. The cylinder hole opening device for pressure-bearing special equipment according to claim 1, characterized in that: The second cylinder limit block (207) moves the slider (208) to allow the movable groove (5) to form a sliding structure with the bottom plate (1) of the hole-opening device, and the inner diameter of the second cylinder limit block (207) is consistent with the inner diameter of the first cylinder limit block (204).

3. The cylinder hole opening device for pressure-bearing special equipment according to claim 1, characterized in that: The connecting block (205) and the second cylinder limiting block (207) form a locking structure, and the cross-sectional shape of the connecting block (205) is set to be a right triangle.

4. The cylinder hole opening device for pressure-bearing special equipment according to claim 1, characterized in that: The barrel hole opening assembly (4) comprises a motor support plate (401), a servo motor (402) is mounted on the top of the motor support plate (401), and a motor mounting support (403) is fixedly connected to the side of the servo motor (402), the bottom end of the servo motor (402) is rotatably connected to a motor shaft (404), and a circular hole (405) is arranged on the outside of the motor shaft (404), the bottom end of the motor shaft (404) is fixedly connected to a threaded recess (406), and the outside of the threaded recess (406) is threadedly connected to a connecting nut (407), the inside of the threaded recess (406) is snap-fittedly connected to a threaded protrusion (408), and the bottom of the threaded protrusion (408) is fixedly connected to a barrel hole opening drill bit (409).

5. The cylinder hole opening device for pressure-bearing special equipment according to claim 4, characterized in that: The threaded protrusion (408) and the threaded recess (406) form a snap-fit ​​structure, and the threaded protrusion (408) and the threaded recess (406) form a detachable structure through a connecting nut (407), the circular hole (405) is opened inside the motor support plate (401), and the inner diameter of the circular hole (405) is greater than the outer diameter of the motor shaft (404).

6. The cylinder hole opening device for pressure-bearing special equipment according to claim 1, characterized in that: The lifting assembly (3) comprises a lifting column housing (301), a hydraulic lifting rod (302) is installed inside the lifting column housing (301), and a lifting support plate (303) is fixedly connected to the top of the hydraulic lifting rod (302), a limiting slider (304) is fixedly connected to one side of the lifting support plate (303), and a connecting slider (305) is fixedly connected to the other side of the lifting support plate (303).

7. The cylinder hole opening device for pressure-bearing special equipment according to claim 6, characterized in that: The lifting support plate (303) forms a lifting structure with the lifting column housing (301) through the hydraulic lifting rod (302), and the lifting support plate (303) forms a sliding structure with the lifting column housing (301) through the limiting slider (304), two connecting sliders (305) are symmetrically arranged about the vertical center axis of the lifting support plate (303), and the connecting slider (305) and the motor support plate (401) are fixedly connected.

Images