Waste gas flame detector for car-type heat treatment furnace

Abstract

The utility model relates to the field of heat treatment, in particular to a waste gas flame detector for a trolley type heat treatment furnace, which comprises a heat treatment furnace shell, a detector groove is arranged on the inner side of the heat treatment furnace shell, a plurality of clamping chutes are arranged at the inner side end of the detector groove, a telescopic frame is sleeved in the clamping chutes in a sliding manner, and a detector is fixedly arranged in the telescopic frame; a rotating shaft at the output end of the telescopic motor is connected with a transmission screw, the transmission screw is sleeved with a transmission bolt sleeve, the two sides of the transmission bolt sleeve are fixedly connected with supporting frames, and the tail ends of the supporting frames are fixedly connected to the rear end face of the telescopic frame; the thermal treatment furnace has the beneficial effects that the flame detector is arranged, so that when the thermal treatment furnace works, the detector is blocked by the thermal insulation plate, the influence on the use of the detector due to long-time high temperature is prevented, and after the thermal treatment furnace finishes working, the flame detector can extend into the furnace to detect the interior of the furnace, and the safety is relatively high.

Description

Technical Field

[0001] The utility model relates to the field of heat treatment, in particular to a waste gas flame detector used for a trolley type heat treatment furnace. Background Art

[0002] The furnace bottom equipped with a traveling mechanism is pulled out or dragged into the furnace along the track on the ground by the traction mechanism, which is convenient for loading and unloading workpieces outside the furnace. The trolley furnace is suitable for heating large ingots, billets, and steel plates before forging, which are inconvenient to heat in a chamber furnace, and for heat treatment of large castings, forgings, and welded parts.

[0003] After the heat treatment in a traditional heat treatment furnace is completed, the exhaust gas in the furnace may contain a high concentration of fuel, and the temperature in the furnace is high, which is easy to cause combustion or even explosion, posing certain safety hazards. Therefore, the utility model proposes an exhaust gas flame detector for a trolley-type heat treatment furnace to solve the above problems. Utility Model Content

[0004] The utility model aims to provide a waste gas flame detector for a trolley-type heat treatment furnace to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an exhaust gas flame detector for a trolley-type heat treatment furnace, comprising a heat treatment furnace shell, a detector groove is provided on the inner side of the heat treatment furnace shell, a plurality of clamping slide grooves are provided on the inner side end of the detector groove, a telescopic frame is provided on the sliding sleeve in the clamping slide groove, and a detector is fixedly installed in the telescopic frame; a telescopic motor, a transmission screw is connected to the rotating shaft at the output end of the telescopic motor, a transmission bolt sleeve is provided on the outer side of the transmission screw, support frames are fixedly connected to both sides of the transmission bolt sleeve, and the end of the support frame is fixedly connected to the rear end face of the telescopic frame.

[0006] Preferably, the front end surface of the telescopic frame is provided with an explosion-proof window, the outer end surface of the explosion-proof window is provided with a plurality of fastening bolts, and the end bolts of the fastening bolts are fastened to the telescopic frame.

[0007] Preferably, a support rod is symmetrically fixedly connected to the front end surface of the explosion-proof window, and a push-open bracket is fixedly connected to the end of the support rod.

[0008] Preferably, the outer end of the heat treatment furnace shell is connected to a heat insulation plate via an elastic rotating shaft above the detector slot, and the heat insulation plate is in a normally closed state.

[0009] Preferably, a plurality of slot sliders are fixedly connected to the outer side of the telescopic frame, and the slot sliders are correspondingly inserted in the card-connecting slide slots.

[0010] Compared with the prior art, the beneficial effects of the utility model are:

[0011] The utility model provides a flame detector so that when the heat treatment furnace is working, the detector is blocked by the heat insulation board to prevent long-term high temperature from affecting the use of the detector. When the heat treatment furnace is finished working, the flame detector can be extended into the furnace to detect the furnace, which has high safety. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic diagram of the structure of the utility model;

[0013] Figure 2 It is a schematic diagram of the connection of some structures of the utility model;

[0014] Figure 3 It is a schematic diagram of the internal structure of the utility model.

[0015] In the figure: 1 heat treatment furnace shell, 2 telescopic motor, 3 card-joining slide, 4 card-slot slider, 5 heat insulation board, 6 telescopic frame, 7 transmission screw, 8 support frame, 9 push-open bracket, 10 support rod, 11 explosion-proof window, 12 transmission bolt sleeve, 13 fastening bolt, 14 detector. DETAILED DESCRIPTION

[0016] In order to make the purpose and technical solution of the utility model clearly and completely described, and the advantages more clearly understood, the embodiments of the utility model are further described in detail in conjunction with the accompanying drawings. It should be understood that the specific embodiments described here are part of the embodiments of the utility model, not all of the embodiments, and are only used to explain the embodiments of the utility model, and are not used to limit 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.

[0017] In the description of the present utility model, it should be noted that the terms "center", "middle", "upper", "lower", "left", "right", "inner", "outer", "top", "bottom", "side", "vertical", "horizontal" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "one", "first", "second", "third", "fourth", "fifth", "sixth" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0018] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" 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.

[0019] For the purpose of simplicity and illustration, the principles of the embodiments are mainly described by reference to examples. In the following description, many specific details are proposed to provide a thorough understanding of the embodiments. However, it is obvious that for those of ordinary skill in the art, these embodiments may not be limited to these specific details in practice. In some instances, known methods and structures are not described in detail to avoid making these embodiments unnecessarily difficult to understand. In addition, all embodiments can be used in combination with each other.

[0020] See also Figures 1 to 3 The utility model provides a technical solution: a waste gas flame detector for a trolley-type heat treatment furnace, comprising a heat treatment furnace shell 1, a detector groove is provided on the inner side of the heat treatment furnace shell 1, a plurality of card-jointing slide grooves 3 are provided on the inner side end of the detector groove, a telescopic frame 6 is provided with a sliding sleeve in the card-jointing slide groove 3, and a detector 14 is fixedly installed in the telescopic frame 6; a telescopic motor 2, a transmission screw rod 7 is connected to the rotating shaft at the output end of the telescopic motor 2, a transmission bolt sleeve 12 is provided on the outer side of the transmission screw rod 7, and support frames 8 are fixedly connected on both sides of the transmission bolt sleeve 12, and the end of the support frame 8 is fixedly connected to the rear end surface of the telescopic frame 6, and a plurality of card-jointing slide blocks 4 are fixedly connected to the outer side of the telescopic frame 6, and the card-jointing slide blocks 4 are correspondingly inserted in the card-jointing slide groove 3.

[0021] When the heat treatment is completed, the telescopic motor 2 drives the transmission screw 7 to rotate, and the transmission screw 7 drives the outer transmission bolt sleeve 12 to push the telescopic frame 6 through the support frame 8. At the same time, under the action of the slot slider 4, stable sliding is achieved in the card slot 3.

[0022] An explosion-proof window 11 is provided on the front end face of the telescopic frame 6, and a plurality of fastening bolts 13 are provided on the outer end face of the explosion-proof window 11. The ends of the fastening bolts 13 are bolted to the telescopic frame 6. A support rod 10 is symmetrically fixedly connected to the front end face of the explosion-proof window 11, and a push-open bracket 9 is fixedly connected to the end of the support rod 10. The outer end of the heat treatment furnace shell 1 is connected to a heat insulation board 5 with an elastic rotating shaft above the detector slot, and the heat insulation board 5 is in a normally closed state.

[0023] When the telescopic frame 6 is pushed, the bracket 9 is pushed open to push the insulation board 5, so that the telescopic frame 6 extends out of the detector slot, allowing the detector 14 to perform flame detection in the furnace. When no detection is needed, the telescopic frame 6 can be retracted by reversing the transmission screw 7, and the insulation board 5 is also elastically retracted to achieve heat insulation.

[0024] In actual use, when the heat treatment is completed, the telescopic motor 2 drives the transmission screw 7 to rotate, and the transmission screw 7 drives the outer transmission bolt sleeve 12 to push the telescopic frame 6 through the support frame 8. At the same time, under the action of the card slot slider 4, stable sliding in the card slot 3 is achieved. When the telescopic frame 6 is pushed, the bracket 9 is pushed open to push the insulation board 5 open, so that the telescopic frame 6 extends out of the detector slot, so that the detector 14 performs flame detection on the furnace. When no detection is needed, the telescopic frame 6 can be retracted by reversing the transmission screw 7, and the insulation board 5 is also elastically retracted to achieve insulation.

[0025] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An exhaust gas flame detector for a trolley-type heat treatment furnace, characterized in that: include A heat treatment furnace shell (1), wherein a detector slot is provided on the inner side of the heat treatment furnace shell (1), a plurality of clamping slide slots (3) are provided on the inner side end of the detector slot, a telescopic frame (6) is slidably sleeved in the clamping slide slot (3), and a detector (14) is fixedly installed in the telescopic frame (6); A telescopic motor (2), wherein the output end rotating shaft of the telescopic motor (2) is connected to a transmission screw (7), a transmission bolt sleeve (12) is sleeved on the outer side of the transmission screw (7), support frames (8) are fixedly connected to both sides of the transmission bolt sleeve (12), and the end of the support frame (8) is fixedly connected to the rear end surface of the telescopic frame (6).

2. The exhaust gas flame detector for a trolley-type heat treatment furnace according to claim 1, characterized in that: The front end surface of the telescopic frame (6) is provided with an explosion-proof window (11), the outer end surface of the explosion-proof window (11) is provided with a plurality of fastening bolts (13), and the end bolts of the fastening bolts (13) are fastened to the telescopic frame (6).

3. The exhaust gas flame detector for a trolley-type heat treatment furnace according to claim 2, characterized in that: The front end surface of the explosion-proof window (11) is symmetrically fixedly connected to a support rod (10) in an upper and lower manner, and the end of the support rod (10) is fixedly connected to a push-open bracket (9).

4. The exhaust gas flame detector for a trolley-type heat treatment furnace according to claim 1, characterized in that: The outer end of the heat treatment furnace shell (1) is connected to a heat insulation plate (5) via an elastic rotating shaft above the detector slot, and the heat insulation plate (5) is in a normally closed state.

5. The exhaust gas flame detector for a trolley-type heat treatment furnace according to claim 1, characterized in that: A plurality of slot slide blocks (4) are fixedly connected to the outside of the telescopic frame (6), and the slot slide blocks (4) are correspondingly inserted into the slotted slide grooves (3).

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