Water cooling wall pressure tapping device

Abstract

The utility model relates to the technical field of tapping devices, and discloses a water cooling wall pressure tapping device which comprises a water cooling wall and a mounting cylinder, an annular clamping plate is arranged outside the water cooling wall, a connecting cylinder with one end extending to the right side of the annular clamping plate is arranged on the right side of the inner wall of the annular clamping plate, and the mounting cylinder is located on the right side of the connecting cylinder. And a connecting sealing assembly which is in threaded connection with the outer part of the connecting cylinder is arranged outside the mounting cylinder. According to the pressure tapping device for the water cooling wall, by arranging the connecting and sealing assembly, when a drill bit needs to be detached and replaced, a stepping motor is started firstly, a gear is driven to rotate through an output shaft, and a threaded cylinder is rotated through matched use of the gear and a gear ring, so that a mounting cylinder and a connecting cylinder are separately connected; and finally, a positioning bolt and a positioning nut are detached from an inserting barrel, then a connecting shaft is taken down from the inserting barrel, the purpose of conveniently detaching and replacing the drill bit can be achieved, the practicability of the device is improved, and the device is convenient to use by workers.

Description

Technical Field

[0001] This utility model relates to the field of hole-opening device technology, specifically a water-cooled wall pressurized hole-opening device. Background Technology

[0002] The water-cooled wall is the main heat-receiving part of the boiler. It consists of several rows of steel pipes distributed around the boiler furnace.

[0003] In water-cooled wall drilling operations, pressurized drilling is often used. However, existing pressurized drilling devices are not convenient for replacing drill bits, which limits their use. Therefore, a pressurized drilling device for water-cooled walls is proposed to solve the aforementioned technical problems. Utility Model Content

[0004] (a) Technical problems to be solved

[0005] To address the shortcomings of existing technologies, this utility model provides a water-cooled wall pressurized drilling device, which has the advantages of easy disassembly and replacement of drill bits. It solves the problem that in water-cooled wall drilling operations, pressurized drilling is often used, and existing pressurized drilling devices are not convenient for replacing drill bits, which limits the use of the device.

[0006] (II) Technical Solution

[0007] To achieve the above-mentioned purpose of facilitating the disassembly and replacement of drill bits, this utility model provides the following technical solution: a water-cooled wall pressurized opening device, including a water-cooled wall and an installation cylinder. An annular clamping plate is provided on the outside of the water-cooled wall. A connecting cylinder extending to the right side of the inner wall of the annular clamping plate is provided. The installation cylinder is located on the right side of the connecting cylinder. A connecting sealing assembly that is threaded to the outside of the connecting cylinder is provided on the outside of the installation cylinder. An opening assembly is provided inside the installation cylinder.

[0008] The connecting sealing assembly includes a stepper motor. The stepper motor is disposed outside the mounting cylinder. The mounting cylinder is inserted into the interior of the connecting cylinder. A threaded cylinder that is threadedly connected to the outer wall of the connecting cylinder is disposed outside the mounting cylinder. A toothed ring is disposed outside the threaded cylinder. A gear that meshes with the outer toothed ring is disposed at the output shaft of the stepper motor.

[0009] The hole-opening assembly includes an electro-hydraulic push rod. An electro-hydraulic push rod is provided on the right side of the inner wall of the mounting cylinder. The output end of the electro-hydraulic push rod is provided with a connecting sealing block that fits tightly against the inner wall of the mounting cylinder. A drive motor is provided on the left side wall of the connecting sealing block. A connecting frame is provided on the inner wall of the mounting cylinder. A connecting shaft is provided at the output shaft of the drive motor, with one end extending to the left side of the connecting frame. A hole-opening drill bit is provided on the left side wall of the connecting shaft.

[0010] Preferably, the front side wall of the mounting cylinder is provided with a maintenance box door located in front of the electro-hydraulic push rod.

[0011] Preferably, the connecting cylinder has an external thread on its outer side, the threaded cylinder has an internal thread on its inner wall that matches the external thread, and the mounting cylinder has an annular groove on its outer wall that matches the threaded cylinder.

[0012] Preferably, the inner bottom wall of the mounting cylinder is connected to a pressure reducing valve that extends to its bottom at one end.

[0013] Preferably, a connector sleeve is fixedly connected to the right side wall of the drilling bit, the connecting shaft is inserted into the interior of the connector sleeve, and a positioning bolt extending to its bottom is threadedly connected to the top of the connector sleeve. Two positioning nuts are threadedly connected to the external threads of the positioning bolt and are located on the upper and lower sides of the connector sleeve, respectively.

[0014] Preferably, the connecting shaft has a threaded hole inside that is compatible with the positioning bolt.

[0015] (III) Beneficial Effects

[0016] Compared with the prior art, this utility model provides a pressurized opening device for water-cooled walls, which has the following beneficial effects:

[0017] This water-cooled wall pressurized drilling device, by setting up a connecting sealing assembly, allows for easy disassembly and replacement of drill bits when the drill bit needs to be removed or replaced. First, the stepper motor is started, and the output shaft drives the gear to rotate. The cooperation between the gear and the gear ring causes the threaded cylinder to rotate, separating the mounting cylinder from the connecting cylinder. Finally, the positioning bolts and positioning nuts are removed from the insertion cylinder, and then the connecting shaft is removed from the insertion cylinder. This facilitates the disassembly and replacement of drill bits and improves the practicality of the device. Attached Figure Description

[0018] Figure 1 This is a frontal sectional view of the present invention;

[0019] Figure 2 This utility model Figure 1 Enlarged view of point A in the middle;

[0020] Figure 3 This is a schematic diagram of the structure of this utility model.

[0021] In the diagram: 1. Water-cooled wall; 2. Annular clamping plate; 3. Connecting cylinder; 4. Mounting cylinder; 5. Connecting sealing assembly; 51. Stepper motor; 52. Threaded cylinder; 53. Gear ring; 54. Gear; 6. Hole-opening assembly; 61. Electro-hydraulic push rod; 62. Connecting sealing block; 63. Drive motor; 64. Connecting frame; 65. Connecting shaft; 66. Hole-opening drill bit. Detailed Implementation

[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0023] Please see Figure 1-3 A pressurized opening device for a water-cooled wall includes a water-cooled wall 1 and an mounting cylinder 4. An annular clamping plate 2 is sleeved on the outside of the water-cooled wall 1. A connecting cylinder 3 extending to the right side of the inner wall of the annular clamping plate 2 is connected to the inner wall. The mounting cylinder 4 is located on the right side of the connecting cylinder 3. A pressure reducing valve extending to the bottom of the inner wall of the mounting cylinder 4 is connected to the outside of the mounting cylinder 4. A connecting sealing assembly 5 is movably connected to the outside of the connecting cylinder 3 and threadedly connected to the outside of the connecting cylinder 3. The connecting sealing assembly 5 includes a stepper motor 51. The stepper motor 51 is fixedly connected to the outside of the mounting cylinder 4. The mounting cylinder 4 is inserted into the inside of the connecting cylinder 3. A threaded cylinder 52 threadedly connected to the outside of the mounting cylinder 4 and threadedly connected to the outer wall of the connecting cylinder 3 is slidably connected to the outside of the mounting cylinder 4. The connecting cylinder 3 has an external thread. The inner wall of the threaded cylinder 52 has an internal thread adapted to the external thread. The outer wall of the mounting cylinder 4 has an annular groove adapted to the threaded cylinder 52. A toothed ring 53 is fixedly connected to the outside of the threaded cylinder 52. A gear 54 meshing with the toothed ring 53 is fixedly connected to the output shaft of the stepper motor 51.

[0024] An opening assembly 6 is fixedly connected inside the mounting cylinder 4. The opening assembly 6 includes an electric hydraulic push rod 61. The electric hydraulic push rod 61 is fixedly connected to the right side of the inner wall of the mounting cylinder 4. An inspection box door is provided on the front side wall of the mounting cylinder 4, located in front of the electric hydraulic push rod 61. A connecting sealing block 62 that fits tightly against the inner wall of the mounting cylinder 4 is fixedly connected to the output end of the electric hydraulic push rod 61. A drive motor 63 is fixedly connected to the left side wall of the connecting sealing block 62. A connecting frame 64 is slidably connected to the inner wall of the mounting cylinder 4. A connecting shaft 65 extending to the left side of the connecting frame 64 is fixedly connected to the output shaft of the drive motor 63. A threaded hole adapted to the positioning bolt is opened inside the connecting shaft 65. An opening drill bit 66 is provided on the left side wall of the connecting shaft 65. A plug-in cylinder is fixedly connected to the right side wall of the opening drill bit 66. The connecting shaft 65 is inserted into the interior of the plug-in cylinder. A positioning bolt extending to its bottom is threadedly connected to the top of the plug-in cylinder. Two positioning nuts, located on the upper and lower sides of the plug-in cylinder respectively, are threadedly connected to the external threads of the positioning bolt.

[0025] It is worth noting that the stepper motor 51, electro-hydraulic push rod 61, and drive motor 63 mentioned in this application are all externally connected to control switches and drive power supplies. Furthermore, the stepper motor 51, electro-hydraulic push rod 61, and drive motor 63 are all conventional and known devices. The standard parts used in this application can all be purchased from the market. The specific connection methods of each part are all connected using conventional methods such as bolts, rivets, and welding that are mature in the prior art. Moreover, the machinery, parts, and equipment all use conventional models in the prior art. In addition, the circuit connection uses conventional connection methods in the prior art. The contents not described in detail in the description belong to the prior art known to those skilled in the art, and will not be described in detail here.

[0026] In summary, this water-cooled wall pressurized drilling device, by setting up the connecting sealing component 5, allows for easy disassembly and replacement of the drill bit when the drill bit needs to be disassembled and replaced. First, the stepper motor 51 is started, which drives the gear 52 to rotate through the output shaft. The cooperation between the gear 52 and the gear ring 53 causes the threaded cylinder 52 to rotate, causing the mounting cylinder 4 to separate from the connecting cylinder 3. Finally, the positioning bolt and positioning nut are removed from the plug-in cylinder, and then the connecting shaft 65 is removed from the plug-in cylinder. This facilitates the disassembly and replacement of the drill bit, improves the practicality of the device, and solves the problem that in water-cooled wall drilling operations, pressurized drilling is often used, and existing pressurized drilling devices are not convenient for replacing drill bits, thus limiting the use of the device.

[0027] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

[0028] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A pressurized opening device for a water-cooled wall, comprising a water-cooled wall (1) and an mounting cylinder (4), characterized in that: The water-cooled wall (1) is provided with an annular clamping plate (2) on the outside. A connecting cylinder (3) extending to the right side of the inner wall of the annular clamping plate (2) is provided. The mounting cylinder (4) is located on the right side of the connecting cylinder (3). A connecting sealing assembly (5) that is threaded to the outside of the mounting cylinder (3) is provided on the outside of the mounting cylinder (4). An opening assembly (6) is provided inside the mounting cylinder (4). The connecting sealing assembly (5) includes a stepper motor (51). The mounting cylinder (4) is provided with a stepper motor (51) on its outside. The mounting cylinder (4) is inserted into the interior of the connecting cylinder (3). The mounting cylinder (4) is provided with a threaded cylinder (52) that is threaded to the outer wall of the connecting cylinder (3). The threaded cylinder (52) is provided with a toothed ring (53) on its outside. The output shaft of the stepper motor (51) is provided with a gear (54) that meshes with the outside of the toothed ring (53). The opening assembly (6) includes an electric hydraulic push rod (61). The electric hydraulic push rod (61) is provided on the right side of the inner wall of the mounting cylinder (4). The output end of the electric hydraulic push rod (61) is provided with a connecting sealing block (62) that fits tightly against the inner wall of the mounting cylinder (4). The left side wall of the connecting sealing block (62) is provided with a drive motor (63). The inner wall of the mounting cylinder (4) is provided with a connecting frame (64). The output shaft of the drive motor (63) is provided with a connecting shaft (65) that extends to the left side of the connecting frame (64). The left side wall of the connecting shaft (65) is provided with an opening drill bit (66).

2. The water-cooled wall pressurized opening device according to claim 1, characterized in that: The front wall of the mounting cylinder (4) is provided with a maintenance box door located in front of the electric hydraulic push rod (61).

3. The water-cooled wall pressurized opening device according to claim 1, characterized in that: The connecting cylinder (3) has an external thread on its outside, the threaded cylinder (52) has an internal thread that matches the external thread on its inner wall, and the mounting cylinder (4) has an annular groove that matches the threaded cylinder (52) on its outer wall.

4. The water-cooled wall pressurized opening device according to claim 1, characterized in that: The inner bottom wall of the mounting cylinder (4) is connected to a pressure reducing valve that extends to its bottom at one end.

5. The water-cooled wall pressurized opening device according to claim 1, characterized in that: The right side wall of the drilling bit (66) is fixedly connected to a plug tube, the connecting shaft (65) is inserted into the inside of the plug tube, and the top of the plug tube is threaded with a positioning bolt extending to its bottom. The external thread of the positioning bolt is connected with two positioning nuts located on the upper and lower sides of the plug tube respectively.

6. The water-cooled wall pressurized opening device according to claim 1, characterized in that: The connecting shaft (65) has a threaded hole inside that is compatible with the positioning bolt.

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