CN219734752U - High temperature furnace monitoring camera installation component - Google Patents

Abstract

The utility model belongs to the technical field of industrial detection, and particularly relates to a high-temperature hearth monitoring camera mounting assembly which comprises an inner shell for mounting a camera and an inner tube seat fixedly arranged at the end, adjacent to a hearth, of a furnace wall observation hole, wherein the outer end of the inner shell is provided with a tube connecting section connected with a hose, the inner end of the inner shell is provided with a positioning section matched with the inner tube seat in a positioning way, a positioning block is arranged in the inner part of the base body of the inner tube seat, and the positioning section is matched with the positioning block in an abutting way to adjust the posture of the inner shell and limit the inner shell to displace towards the inside of the hearth. When the camera is used, after the inner shell provided with the camera is moved from the outer end to the inner end in the furnace wall observation hole, the shooting angle of the camera can be accurately positioned by positioning and matching the positioning section of the inner shell with the positioning block on the inner tube seat.

Description

High temperature furnace monitoring camera installation component

Technical Field

The utility model belongs to the technical field of industrial detection, and particularly relates to a high-temperature hearth monitoring camera mounting assembly.

Background

In the industrial production process, in order to acquire the production condition in the high-temperature hearth in real time, a through hole is formed in the furnace wall for a camera lens to extend into the hearth so as to acquire the required information. The applicant filed the prior application chinese patent CN215734523U discloses an industrial camera, which uses a regular column-shaped housing, a circuit board is arranged along the axial direction of the housing, an image acquisition board is arranged at one end of the housing, and a signal transmission device is arranged at the other end of the housing. When the device is used, the lens faces the inside of the hearth, and then the shell is pushed to move to the observation position along the axial direction of the shell in the hearth in the hole formed in the furnace wall, so that the image in the hearth can be acquired. The industrial camera can be suitable for monitoring hearths with various wall thicknesses, has higher requirement on coaxiality of holes formed in the furnace wall, and cannot be applied to the situation that the positions of the holes formed in the inner side and the outer side of the furnace wall are arranged in a staggered mode.

The prior art chinese patent CN2376149Y discloses a flexible image detector, which comprises a lens and a camera, the camera is connected with a display through a monitor, the lens is arranged in a rigid pipe, the rigid pipe is in a straight line shape, an optical fiber bundle is arranged between the camera and the lens, the optical fiber bundle transmits an image from the lens to the camera, and the optical fiber bundle is arranged in a metal hose. The image detector can detect the hearth through the narrow and long non-straight hole pipeline under the condition of poor coaxiality of the inner and outer holes of the furnace wall, however, the temperature of the hearth is higher, even if a high-temperature-resistant lens is adopted, long-time continuous shooting of the inside of the hearth cannot be realized, in addition, the shooting angle of the lens cannot be positioned and adjusted after the lens stretches into the furnace wall, and a required image picture is difficult to obtain.

Disclosure of Invention

The utility model aims to provide a high-temperature hearth monitoring camera mounting assembly capable of accurately positioning a shooting angle of a camera.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a high temperature furnace monitoring camera installation component, including the inner shell that is used for installing the camera with set firmly in the inner tube seat of the hole end that the oven observes the hole and is adjacent furnace, the outer end of inner shell is equipped with the pipe joint section that links to each other with the hose, the inner end be equipped with inner tube seat location complex location section, the inside locating piece that is equipped with of seat of inner tube seat, the gesture of location section and locating piece support the cooperation adjustment inner shell and restrict the inner shell to furnace internal displacement.

Compared with the prior art, the utility model has the following technical effects: after the inner shell provided with the camera is moved from the outer end to the inner end in the furnace wall observation hole, the shooting angle of the camera can be accurately positioned by positioning and matching the positioning section of the inner shell with the positioning block on the inner tube seat.

Drawings

The contents expressed in the drawings of the present specification and the marks in the drawings are briefly described as follows:

FIG. 1 is a schematic view of the use of the present utility model;

FIG. 2 is an enlarged schematic view of portion C of FIG. 1;

FIG. 3 is a schematic cross-sectional view taken along the axial direction of the inner shell;

FIG. 4 is a left side view of the inner tube socket;

FIG. 5 is a cross-sectional view of C-C of FIG. 4;

FIG. 6 is a right side view of the locator card;

FIG. 7 is a D-D sectional view of FIG. 6;

FIG. 8 is a schematic perspective view of a locator card;

fig. 9 is a right side view of the inner housing in a state of being fitted with the inner tube seat.

In the figure: 10. inner shell, 10a, pipe joint section, 10b, positioning section, 11, positioning cone, 20, inner pipe seat, 21, positioning block, 211, limiting surface, 212, guiding surface, 213, relief surface, 22, adapter plate, 221, first adapter plate, 222, second adapter plate, 23, pre-welded pipe, 30, hose, 40, positioning clamp, 41, connecting ring, 42, claw, 50, outer shell, 51, air inlet, 60, outer pipe seat, 61, cooling air inlet.

Detailed Description

The following describes the embodiments of the present utility model in further detail by way of examples with reference to the accompanying drawings.

A high-temperature hearth monitoring camera mounting assembly comprises an inner shell 10 for mounting a camera A and an inner tube seat 20 fixedly arranged at the hole end of a furnace wall observation hole B adjacent to a hearth. For ease of description, the inner shell 10 is described as having an inner section on the side adjacent the furnace and an outer section on the side remote from the furnace. The outer end of the inner shell 10 is provided with a pipe joint section 10a connected with the hose 30, and the inner end is provided with a positioning section 10b matched with the inner pipe seat 20 in a positioning way. The inside of the seat body of the inner tube seat 20 is provided with a positioning block 21, and the positioning section 10b is in abutting fit with the positioning block 21 to adjust the posture of the inner shell 10 and limit the displacement of the inner shell 10 to the inside of the hearth. In the design stage, the adjustment of the positioning angle of the inner shell 10 can be realized by adjusting the shape and the structure of the inner shell positioning section 10b or the positioning block 21 on the inner tube seat, so that the camera A is in the target shooting attitude.

As shown in figure 1, after the furnace wall is built, a furnace wall observation hole B is drilled on the furnace wall, and is affected by a perforating process, the furnace wall observation hole B is a nonlinear hole, and the coaxiality of an inner end orifice and an outer end orifice of the furnace wall observation hole B is difficult to ensure. When the high-temperature hearth monitoring camera mounting assembly is applied, after the furnace wall is drilled to obtain the furnace wall observation hole B, the inner tube seat 20 can be fixedly connected to the inner end of the furnace wall observation hole B, then in the production process, the inner shell 10 internally provided with the camera A is sent into the furnace wall observation hole B and pushed to a working position propped against the positioning hole 21 on the inner tube seat 20, and the shooting angle of the camera A can be guaranteed. In specific implementation, the inner tube seat 20 is difficult to be disassembled and replaced or the gesture of the inner tube seat 20 is difficult to be adjusted, so that the outer circumferential surface of the positioning section 10b of the inner shell 10 can be adjusted to change the positioning gesture of the inner tube seat and the positioning section, or the installation gesture of the camera A in the inner shell 10 is adjusted, and the adjustment of the shooting angle of the camera A in the production process of the furnace body is realized.

In this embodiment, the inner shell 10 is generally tubular in shape and has an axial dimension that is less than the minimum bend radius of the furnace wall view port B. As shown in fig. 2, 3 and 5, the outer circumferential surface of the positioning section 10b at the inner end of the inner shell 10 is a positioning conical surface 11 with a small diameter near the hearth end and a large diameter far from the hearth end, and the positioning block 21 is provided with a limiting surface 211 conforming to the positioning conical surface 11, and when the inner shell 10 is abutted against the inner tube seat 20, the positioning accuracy of the inner shell 10 is determined by the bonding degree of the limiting surface 211 and the positioning conical surface 11. The positioning section 10B is integrally formed in a frustum shape, so that the inner shell 10 can be conveniently and smoothly inserted into the furnace wall observation hole B, and the outer peripheral surface of the positioning section can be matched with the inner tube seat 20 in a positioning manner so as to ensure the reliable positioning of the inner shell 10.

Further, as shown in fig. 5, the inner edge of the limiting surface 211 is the minimum inner diameter of the inner tube seat 20. When the inner housing 10 is in the working position in positioning engagement with the positioning block 21, as shown in fig. 2, the inner end surface of the inner housing 10 is located between the inner end surface of the inner tube seat 20 and the limiting surface 211. The inner end surface of the inner shell 10 is located inside the lumen of the inner tube socket 20, and can protect the shell of the inner shell 10 from high temperature or corrosive substances in the furnace. The inner end surface of the inner shell 10 is located on the inner side of the inner end edge of the limiting surface 211, and the inner end of the limiting surface 211 is connected with the avoiding surface 213, so that the lens is prevented from being blocked by the block of the positioning block 21, and the integrity of data acquisition is ensured.

In order to protect the camera A and the inner shell 10 from high temperature damage in the hearth, the inner shell 10 of the embodiment is communicated with a cooling air source, the inner shell 10 which is integrally tubular is sleeved on the periphery of the camera A, an air space formed by the inner wall surface of the inner shell 10 and the camera A in a spaced arrangement way is used for cooling air flow to pass through, the cooling air flow is sent to the inner shell 10 at the inner end of the furnace wall observation hole B through a hose 30, and the camera A and the inner shell 10 are cooled when passing through the arrangement interval of the camera A and the inner shell 10. Further, the inner tube holder 20 is also in communication with a source of cooling air. As shown in fig. 1, when the inner diameter of the inner tube seat 20 with a tube shape is larger than the maximum outer diameter of the inner shell 10, and the positioning block 21 is a ring-shaped block body with the inner tube seat 20 circumferentially and continuously arranged therein, holes communicating the inner end and the outer end of the positioning block 21 can be formed in the block body of the positioning block 21 for cooling air flow to pass through, and when a plurality of positioning blocks 21 are circumferentially arranged at intervals, the space between the adjacent positioning blocks 21 can be used as a passage for cooling air flow to pass through.

In this embodiment, as shown in fig. 4, the ring seats 20 of the four positioning blocks 21 are circumferentially spaced, the surface of the positioning block 21 adjacent to the axis of the inner seat 20 is a conical surface or an inclined surface, the surface of the positioning block 21 adjacent to the axis of the inner seat 20 includes a limiting surface 211, the outer end of the limiting surface 211 is provided with a guiding surface 212 with a large outside and a small inside, and the inner end of the limiting surface 211 is provided with a avoiding surface 213 with a small outside and a large inside. The caliber of the outer end edge of the guide surface 212 positioned at the outer end is larger than the maximum caliber of the limiting surface 211, the inner shell 10 can be conveniently guided into the enclosing space of the positioning block 21, the limiting surface 211 and the outer peripheral surface of the positioning section 10b are abutted to be positioned, and the avoiding surface 213 can adopt a larger slope so as not to shade the lens.

As shown in fig. 2, in the embodiment, the outer peripheral surface of the positioning section 10b can also provide a guide for the cooling air flow between the inner tube seat 20 and the inner shell 10, and serve as a guide surface for the cooling air flow. In this embodiment, the outer peripheral surface of the positioning section 10b is a conical surface with large outside and small inside, which can guide the air flow outside the inner casing 10 to purge toward the axial core side of the inner casing 10, and the inner peripheral surface of the inner end of the positioning section 10b is also a conical surface with large outside and small inside, which can provide guidance for the cooling air flow between the inner casing 10 and the camera a. The cooling air flow can not only take away the heat on the surfaces of the camera A, the inner shell 10 and the inner tube seat 20, but also sweep the front end of the camera lens under the guidance of the inner shell 10 and the inner tube seat 20, so that dust particles in a hearth are prevented from being attached to the front of the camera lens, and the shooting effect is influenced.

To reliably locate the outer end of the hose 30, the high temperature furnace monitoring camera mounting assembly also includes a housing 50 and an outer tube mount 60. The outer tube seat 60 is fixedly arranged at the outer hole end of the furnace wall observation hole B, the outer tube seat which is integrally tubular is detachably connected with the outer shell 50, the inner end of the outer shell 50 is connected with the outer tube end of the hose 30, and a cable of the camera A passes through the hose 30 to be led out through the outer shell 50 or is connected with an adapter arranged on the outer shell 50. In order to stably convey the cooling air flow to the inner casing 10 and the inner casing 20, the outer casing 60 is provided with a cooling air inlet 61 on a casing body thereof, and the outer casing 50 positioned near the cooling air inlet 61 is provided with an air inlet 51 correspondingly. In this embodiment, as shown in fig. 1, a pipe joint 62 is sleeved on a base body of an outer pipe base 60, holes are formed in a tubular wall body of the outer pipe base 60, which is wrapped on the inner side of the pipe joint 62, to form a cooling gas inlet 61, in this embodiment, holes are formed at the top and bottom of the base body of the outer pipe base 60, respectively, cooling gas flows through the pipe joint 62, then enters a cavity of the outer pipe base 60 from two holes formed in the base body of the outer pipe base 60, and then is sent into the hearth from a space between the outer pipe base 60 and the outer shell 50 along a furnace wall observation hole B. In this embodiment, four air inlets 51 are circumferentially arranged on the wall of the tubular casing 50 at intervals for cooling air to enter the cavity of the casing 50, the inner end of the casing 50 is connected with the hose 30, and the casing 50, the hose 30 and the inner casing 10 form a passage for camera cables and cooling air. As shown in fig. 1, the air inlet holes 51 are bar-shaped holes extending along the axial direction of the housing 50, and the axial dimension of the air inlet holes 51 is larger than that of the cooling air inlet 61, and the four air inlet holes 51 can ensure that enough cooling air flows enter the inner chamber of the housing 50 and are further led to the inner end to sufficiently cool the camera a so as to ensure the stable and reliable operation of the camera a.

For maintenance, the camera a is detachably connected to the inner case 10 in this embodiment. As shown in fig. 3, the inner casing 10 is circumferentially provided with connecting holes 12 at intervals, and screws are applied to pass through and screw against the outer wall of the camera a, so that the camera a and the inner casing 10 can be connected, and the space between the inner casing 10 and the camera a can be maintained, thereby maintaining the circulation passage of the cooling air flow. Further, in order to reliably position the camera lens, a positioning card 40 is provided at the inner end pipe orifice of the inner casing 10 to fix the camera lens a in a clamping manner. As shown in fig. 6, 7 and 8, the positioning clip 40 includes a connecting ring 41 connected to the inner end pipe orifice of the inner casing 10, the inner diameter of the outer ring surface of the connecting ring 41 is smaller than the outer diameter of the inner end pipe orifice of the inner casing 10, and in this embodiment, the outer peripheral surface of the connecting ring 41 is a conical surface matching the positioning conical surface 11 of the positioning section 10b. The outer circumferential surface of the coupling ring 41 is provided with claws 42 extending into the housing cavity of the inner housing 10. When the positioning clamp 40 is welded and connected to the inner end of the inner shell 10, the outer peripheral ring surface 41b of the outer ring surface of the connecting ring 41, which is positioned at the outer side of the clamping jaw 42, is attached to the end surface of the inner shell 10; when the inner end of the camera a abuts against the outer ring surface of the connecting ring 41, the inner peripheral ring surface 41a of the outer ring surface of the connecting ring 41, which is positioned inside the clamping jaw 42, is attached to the inner end surface of the camera, and the camera lens is clamped and positioned in the surrounding area of the clamping jaw 42. The inner circumferential surface of the connection ring 41 is recessed radially outwardly to form a notch 411 for the passage of cooling air. In this embodiment, as shown in fig. 6, the inner diameter of the connection ring 41 is smaller than the outer diameter of the inner end surface of the camera a, and four notches 411 are provided on the connection ring 41 at equal intervals in the circumferential direction.

In order to meet the requirement of adjusting the shooting angle of the camera A, holes are formed in the inner side metal layer adjacent to the hearth before the furnace wall is built, and the pre-welded pipe 23 is welded and connected, and the inner diameter of the pre-welded pipe 23 is larger than that of the furnace wall observation hole B. The inner tube seat 20 is connected with a pre-welded tube 23 through an adapter plate 22, and the outer diameter of the inner tube seat 20 is smaller than the furnace wall observation hole B. As shown in fig. 1 and 2, the adapter plate 22 includes a first adapter plate 221 welded to the pre-welded pipe 23 and a second adapter plate 222 welded to the inner pipe socket 20, and the installation posture of the inner pipe socket 20 can be adjusted by adjusting the connection angle between the first adapter plate 221 and the second adapter plate 222. In this embodiment, the tube body of the inner tube holder 20 extends from the inner end of the pre-welded tube 23 to the outer end thereof, the inner end surface of the inner tube holder 20 is located inside the tube body of the pre-welded tube 23, and the outer end surface is located outside the tube body of the pre-welded tube 23. The axial dimension of the inner tube seat 20 is similar to that of the inner tube seat 10, the pipe body of the inner tube seat 20 made of metal materials has good integrity, and the shape outline of the pipe body can be reliably maintained, so that the positioning accuracy of the positioning block 21 is ensured, the interval between the inner tube seat 20 and the inner tube seat 10 when the inner tube 10 is in a working position is also ensured, and the reliability of a cooling airflow flowing path is further ensured.

Claims (9)

1. The utility model provides a high temperature furnace monitoring camera installation component which characterized in that: including inner shell (10) that are used for installing camera (A) and set firmly in inner tube seat (20) that oven observation hole (B) is adjacent furnace's hole end, the outer end of inner shell (10) is equipped with pipe joint section (10 a) that links to each other with hose (30), the inner end is equipped with and fixes a position complex location section (10B) with inner tube seat (20), the inside locating piece (21) that is equipped with of seat of inner tube seat (20), the gesture of adjusting inner shell (10) and restriction inner shell (10) to furnace internal displacement are supported to cooperation with locating piece (21).

2. The high temperature furnace monitoring camera mounting assembly of claim 1, wherein: the inner shell (10) is communicated with a cooling air source, and the inner shell (10) which is integrally tubular is sleeved on the periphery of the camera (A) and the inner wall surface of the inner shell is arranged at intervals with the camera (A) to form a space for cooling air flow to pass through;

the inner tube seat (20) is communicated with a cooling air source, the inner diameter of the inner tube seat (20) which is in a tube shape is larger than the maximum outer diameter of the inner shell (10), holes are formed in blocks of the positioning blocks (21) for cooling air flow to pass through, or a plurality of positioning blocks (21) are circumferentially arranged at intervals, and a space between every two adjacent positioning blocks (21) forms a passage for cooling air flow to pass through.

3. The high temperature furnace monitoring camera mounting assembly of claim 2, wherein: the positioning block (21) comprises a limiting surface (211) which is matched with the peripheral surface of the positioning section (10 b) and is in abutting positioning fit, and the inner end edge of the limiting surface (211) is the minimum inner diameter position of the inner pipe seat (20); when the inner shell (10) is in the working position, the inner end surface of the inner shell (10) is positioned between the inner end surface of the inner tube seat (20) and the limiting surface (211).

4. The high temperature furnace monitoring camera mounting assembly of claim 3, wherein: the outer peripheral surface of the positioning section (10 b) is a positioning conical surface (11) with small diameter near the hearth end and large diameter far from the hearth end.

5. The high temperature furnace monitoring camera mounting assembly of claim 4, wherein: the inner tube seats (20) of the positioning blocks (21) are circumferentially arranged at intervals, the surfaces, adjacent to the axes of the inner tube seats (20), of the positioning blocks (21) are conical surfaces or inclined surfaces, the surfaces, adjacent to the axes of the inner tube seats (20), of the positioning blocks (21) comprise limiting surfaces (211), the outer ends of the limiting surfaces (211) are provided with guiding surfaces (212) with large outside and small inside, and the inner ends of the limiting surfaces (211) are provided with avoidance surfaces (213) with large outside and large inside.

6. The high temperature furnace monitoring camera mounting assembly of claim 2, wherein: the camera (A) is detachably connected with the inner shell (10), connecting holes (12) are formed in the inner shell (10) at intervals in the circumferential direction of the upper ring of the inner shell for screws to penetrate through and are screwed against the outer wall of the camera (A), and a positioning clamp (40) is arranged at the pipe orifice at the inner end of the inner shell (10) to clamp and fix the lens of the camera (A).

7. The high temperature furnace monitoring camera mounting assembly of claim 6, wherein: the positioning clamp (40) comprises a connecting ring (41) connected with a pipe orifice at the inner end of the inner shell (10), the inner diameter of the outer ring surface of the connecting ring (41) is smaller than the outer diameter of the pipe orifice at the inner end of the inner shell (10), a claw (42) extending into the cavity of the inner shell (10) is arranged on the outer ring surface of the connecting ring (41), when the inner end of the camera (A) abuts against the outer ring surface of the connecting ring (41), the camera lens is clamped and positioned in the enclosing area of the claw (42), and a notch (411) is formed by the inner ring surface of the connecting ring (41) along the radial outward sinking of the inner ring surface of the connecting ring.

8. The high temperature furnace monitoring camera mounting assembly of claim 1, wherein: the inner tube seat (20) is connected with the pre-welding tube (23) through the adapter plate (22), the inner diameter of the pre-welding tube (23) is larger than the furnace wall observation hole (B), the outer diameter of the inner tube seat (20) is smaller than the furnace wall observation hole (B), the adapter plate (22) comprises a first adapter plate (221) connected with the pre-welding tube (23) and a second adapter plate (222) connected with the inner tube seat (20), and the connection angle of the first adapter plate (221) and the second adapter plate (222) is adjustable.

9. The high temperature furnace monitoring camera mounting assembly of claim 1, wherein: the furnace wall furnace also comprises a shell (50) for guiding out the cable and an outer tube seat (60) fixedly arranged at the hole end of the furnace wall observation hole (B) far away from the hearth, wherein the shell (50) is detachably connected to the outer tube seat (60),

the outer tube seat (60) comprises a cooling gas inlet (61), an air inlet hole (51) is formed in the wall body of the outer tube seat (60) where the outer shell (50) is located for cooling gas to enter, the inner end of the outer shell (50) is connected with the hose (30), and the outer shell (50), the hose (30) and the inner shell (10) form a passage for camera cables and cooling gas.