Soot blower nozzle drilling clamp

Abstract

A soot blower nozzle drilling clamp comprises a drill jig body (1), a head pressing lever (2) and a pressing bottom plate (3), a nozzle installation hole is formed in the drill jig body (1), a set of drill bushings (4) communicated with the nozzle installation hole are annularly distributed on the outer wall of the drill jig body (1), and one end of the head pressing lever (2) is movably installed at the top of the drill jig body (1); the device has the advantages of accurate positioning of the soot blower nozzle, high drilling speed and simplicity in disassembly and assembly.

Description

Technical Field

[0001] The utility model relates to the field of sootblower processing equipment, in particular to a sootblower nozzle drilling fixture. Background Art

[0002] At present, on the sootblower production line, it is necessary to drill multiple mounting holes in a circle on the outer wall of the sootblower nozzle, and then weld the nozzle into the corresponding mounting holes. Since the sootblower nozzle is cylindrical, it is difficult to drill holes on it, and there is a lack of a special drilling fixture. Utility Model Content

[0003] The purpose of the utility model is to provide a sootblower nozzle drilling fixture to solve the above-mentioned deficiencies.

[0004] The utility model comprises a drilling template body, a head pressing lever and a pressing bottom plate.

[0005] A nozzle mounting hole is opened on the drill template body, and a group of drill sleeves connected to the nozzle mounting hole are arranged in a ring on the outer wall of the drill template body. One end of the head clamping lever is movably installed on the top of the drill template body, and the other end of the head clamping lever is fixed to the drill template body by a clamping screw, and the head of the soot blower nozzle is supported by the head clamping lever. The clamping base plate is detachably installed on the bottom of the drill template body, and is supported by the tail of the soot blower nozzle through the clamping base plate.

[0006] A pair of ear seats are symmetrically arranged on the top of the drilling template body, one end of the head clamping lever is movably installed on one of the ear seats through a pin shaft, the other end of the head clamping lever is provided with a U-shaped fork, the clamping screw is movably installed on the other ear seat through a pin shaft, the clamping screw is provided with a clamping nut, the U-shaped fork of the head clamping lever is sleeved on the clamping screw and is clamped and fixed by the clamping nut.

[0007] A threaded sleeve is arranged in the middle of the head pressing lever, an adjusting screw is installed on the inner thread of the threaded sleeve, and one end of the adjusting screw is against the soot blower nozzle.

[0008] A quadrangular column protrusion is arranged on the top of the adjusting screw.

[0009] A group of threaded holes are evenly distributed in a ring at the bottom of the drilling template body, and an annular limiting protrusion is arranged on the top of the clamping bottom plate. The clamping bottom plate is installed on the bottom of the drilling template body through screw threads, and the annular limiting protrusion is located in the sootblower nozzle.

[0010] The drilling template body is a hollow prism.

[0011] The number of nozzle mounting holes in one set is three.

[0012] The utility model has the advantages of accurate positioning of the sootblower nozzle, fast drilling speed and simple assembly and disassembly. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the structure of the utility model.

[0014] Figure 2 It is an explosion schematic diagram of the utility model. DETAILED DESCRIPTION

[0015] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Generally, the components of the embodiments of the present invention described and shown in the drawings here can be arranged and designed in various different configurations.

[0016] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the invention claimed for protection, but merely represents selected embodiments of the present invention. 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.

[0017] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0018] In the description of the embodiments of the present invention, it should be noted that if the terms "upper", "lower", "inner", "outer", etc. appear, the orientation or position relationship indicated is based on the orientation or position relationship shown in the drawings, or the orientation or position relationship in which the product of the invention is usually placed when in use. This is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, if the terms "first", "second", etc. appear in the description of the present invention, they are only used to distinguish the description and cannot be understood as indicating or implying relative importance.

[0019] In the description of the embodiments of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "setting" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0020] As shown in the accompanying drawings, the utility model comprises a drilling template body 1, a head pressing lever 2 and a pressing base plate 3.

[0021] A nozzle mounting hole is opened on the drill template body 1, and a group of drill sleeves 4 connected with the nozzle mounting hole are arranged in a ring on the outer wall of the drill template body 1. One end of the head clamping lever 2 is movably installed on the top of the drill template body 1, and the other end of the head clamping lever 2 is fixed to the drill template body 1 by a clamping screw 5. The head clamping lever 2 is pressed against the head of the soot blower nozzle, and the clamping base plate 3 is detachably installed on the bottom of the drill template body 1, and is pressed against the tail of the soot blower nozzle.

[0022] A pair of ear seats are symmetrically arranged on the top of the drill template body 1, one end of the head clamping lever 2 is movably mounted on one of the ear seats through a pin shaft, the other end of the head clamping lever 2 is provided with a U-shaped fork, the clamping screw 5 is movably mounted on the other ear seat through a pin shaft, the clamping screw 5 is provided with a clamping nut, the U-shaped fork of the head clamping lever 2 is sleeved on the clamping screw 5, and is clamped and fixed by the clamping nut.

[0023] A threaded sleeve is arranged in the middle of the head pressing lever 2, and an adjusting screw 6 is installed on the inner thread of the threaded sleeve, and one end of the adjusting screw 6 is against the sootblower nozzle.

[0024] A quadrangular prism protrusion is arranged on the top of the adjusting screw rod 6 .

[0025] A group of threaded holes are evenly distributed in a ring at the bottom of the drilling template body 1, and an annular limiting protrusion 7 is arranged on the top of the clamping bottom plate 3. The clamping bottom plate 3 is installed on the bottom of the drilling template body 1 through screw threads, and the annular limiting protrusion 7 is located in the sootblower nozzle.

[0026] The drilling template body 1 is in the shape of a hollow prism.

[0027] The number of nozzle mounting holes in one set is three.

[0028] Embodiment 1: As attached Figure 2 As shown, the sootblower nozzle 100 is inserted from the bottom of the drilling template body 1, and then the clamping base plate 3 is installed on the bottom of the drilling template body 1 by screws, and one end of the head clamping lever 2 is clamped and fixed by the clamping nut on the clamping screw 5, and then the adjusting screw 6 is twisted to make the adjusting screw 6 clamped on the end of the sootblower nozzle 100 to complete the fixation of the sootblower nozzle 100. At this time, the drill bit can drill a hole at the designated position of the sootblower nozzle 100 through the drill sleeve 4. After the drilling is completed, the head clamping lever 2 and the clamping base plate 3 are opened to remove the sootblower nozzle 100. The drilling template body 1 is a hollow prism, which makes it easier to install the drill sleeve 4 on the drilling template body 1, and the drilling template body 1 is placed more stably, which is convenient for drilling.

Claims

1. A sootblower nozzle drilling fixture, characterized in that It comprises a drilling template body (1), a head clamping lever (2) and a clamping base plate (3). A nozzle mounting hole is provided on the drill template body (1), and a group of drill sleeves (4) connected to the nozzle mounting hole are arranged in an annular manner on the outer wall of the drill template body (1). One end of the head clamping lever (2) is movably mounted on the top of the drill template body (1), and the other end of the head clamping lever (2) is fixed to the drill template body (1) by a clamping screw (5), and the head of the soot blower nozzle is pressed against the head of the soot blower nozzle through the head clamping lever (2). The clamping bottom plate (3) is detachably mounted on the bottom of the drill template body (1), and the tail of the soot blower nozzle is pressed against the clamping bottom plate (3).

2. A sootblower nozzle drilling fixture according to claim 1, characterized in that: A pair of ear seats are symmetrically arranged on the top of the drilling template body (1); one end of the head clamping lever (2) is movably mounted on one of the ear seats via a pin shaft; the other end of the head clamping lever (2) is provided with a U-shaped fork; a clamping screw (5) is movably mounted on the other ear seat via a pin shaft; a clamping nut is provided on the clamping screw (5); the U-shaped fork of the head clamping lever (2) is sleeved on the clamping screw (5) and is clamped and fixed by the clamping nut.

3. A sootblower nozzle drilling fixture according to claim 2, characterized in that: A threaded sleeve is arranged in the middle of the head pressing lever (2), an adjusting screw (6) is installed in the inner thread of the threaded sleeve, and one end of the adjusting screw (6) is against the soot blower nozzle.

4. A sootblower nozzle drilling fixture according to claim 3, characterized in that: A quadrangular prism protrusion is arranged on the top of the adjusting screw rod (6).

5. The sootblower nozzle drilling fixture according to claim 1, characterized in that: A group of threaded holes are evenly distributed in a ring at the bottom of the drilling template body (1), and an annular limiting protrusion (7) is arranged on the top of the clamping bottom plate (3). The clamping bottom plate (3) is installed on the bottom of the drilling template body (1) through screw threads, and the annular limiting protrusion (7) is located in the soot blower nozzle.

6. A sootblower nozzle drilling fixture according to claim 1, characterized in that: The drilling template body (1) is in the shape of a hollow prism.

7. The sootblower nozzle drilling fixture according to claim 1, characterized in that: The number of nozzle mounting holes in one set is three.

Images