An explosion-proof three-in-one combustible gas detector

Abstract

The present invention relates to the technical field of combustible gas detection, and specifically to an explosion-proof three-in-one combustible gas detector, comprising: a gas pipe; a shell, fixedly connected to the upper end of the gas pipe; an air outlet pipe, fixedly connected to the shell; a filter, fixedly arranged at the air inlet of the gas pipe, and used for blocking impurities mixed in the combustible gas, and starting a servo motor fixed to the shell so that a rotating shaft fixedly connected to the output end of the servo motor rotates, and the rotating rotating shaft drives a bevel gear 1 fixedly connected thereto to rotate, and the rotating bevel gear 1 drives a bevel gear 2 to rotate, thereby realizing the control of shaft body 1 to rotate, and shaft body 1 drives suction fan blades to rotate, and the suction fan blades absorb gas upwards, so that the device can detect gas, and at the same time, a scraper 1 fixedly arranged on shaft body 1 can scrape off garbage adhered to the inner wall of the gas pipe, so as to ensure the cleanliness of the air inlet of the device.

Description

Technical Field

[0001] The invention relates to the technical field of combustible gas detection, in particular to an explosion-proof three-in-one combustible gas detector. Background Art

[0002] Combustible gas detectors are detectors that respond to the concentration of a single or multiple combustible gases. With the continuous development of science and technology, the places where combustible gas detectors are needed are also increasing. They are more widely used in some petrochemical plants, gas industry, coal chemical industry, biopharmaceutical industry and other industries.

[0003] The existing isolated explosion-proof combustible gas detectors, during the later stage of operation, some detectors detect combustible gases in the air by floating them to the air inlet. They are unable to extract and detect combustible gases in the air on a large scale and can only detect locally. After long-term use, a large amount of dust will be scattered at the edge of the air inlet, requiring users to clean them regularly. In addition, some detectors are installed at a high position from the ground, making them difficult to clean. In addition, there are some safety hazards during use and cleaning.

[0004] Therefore, it is necessary to provide an explosion-proof three-in-one combustible gas detector to solve the above problems.

[0005] It should be noted that the above information disclosed in this background technology section is only for understanding the background technology of the present application concept, and therefore, it may contain information that does not constitute the prior art. Summary of the invention

[0006] Based on the above-mentioned problems existing in the prior art, the problem to be solved by the present application is: the existing isolated explosion-proof combustible gas detectors, during the later operation, some detectors detect the combustible gas in the air by floating it to the air inlet, and are unable to perform large-scale extraction and detection of the combustible gas in the air, and can only perform local detection. After long-term use, a large amount of dust will be scattered at the edge of the air inlet, which requires users to clean it regularly. In addition, some detectors are installed at a high position from the ground, which makes cleaning difficult, and there are some safety hazards during use and cleaning.

[0007] The technical solution adopted by the present application to solve the technical problem is: an explosion-proof three-in-one combustible gas detector, comprising:

[0008] Gas pipelines;

[0009] An air outlet pipe, fixedly connected to the shell;

[0010] A filter screen is fixedly arranged at the air inlet of the gas pipeline and is used to block impurities mixed in the combustible gas;

[0011] An inspection device, fixedly arranged inside the housing, for inspecting combustible gas in the air;

[0012] The detector is fixedly arranged in the housing, and a plurality of threaded holes are opened on the inner wall of the housing, and a plurality of bolts corresponding to the threaded holes are rotatably arranged on the outer wall of the detector;

[0013] A protective cover, fixedly connected to the housing;

[0014] A cleaning mechanism, fixedly arranged on the housing, for cleaning and removing impurities deposited in the device;

[0015] A servo motor is fixedly connected to the housing;

[0016] A rotating shaft is rotatably arranged on the housing, and the rotating shaft is fixedly connected to an output end of the servo motor.

[0017] Preferably, a shaft body 1 is rotatably arranged in the air pipe, a suction fan blade is fixedly arranged on the outer circumference of the shaft body 1, and the blade length of the suction fan blade is smaller than the pipe radius of the air pipe, and a long plate is fixedly arranged on the outer circumference of the shaft body 1, a circular ring is fixedly arranged on the long plate, the circular ring is fitted with the inner wall of the air pipe, and a scraper 1 is fixedly arranged on the circular ring.

[0018] Preferably, the scraper 1 is in contact with the inner wall of the air delivery pipe, and the scraper 1 is arranged in a spiral shape as a whole, and the servo motor is provided with a transmission unit for controlling the rotation of the scraper 1.

[0019] Preferably, the transmission unit comprises a bevel gear 1 fixedly arranged on the rotating shaft, and a bevel gear 2 meshing with the bevel gear 1 is fixedly arranged on the shaft body 1.

[0020] Preferably, a scraper ring is slidably provided in the air outlet pipe, and a control component for controlling the scraper ring to fit is provided on the outer shell.

[0021] Preferably, the control assembly includes a second shaft body rotatably arranged on the outer shell, a turntable is fixedly arranged on the second shaft body, a pillar is eccentrically arranged on the turntable, and the pillar is rotatably connected to the scraper ring through a connecting rod.

[0022] Preferably, a tripod is fixedly provided on the rotating shaft, a second scraper is fixedly provided at an end point of the tripod, and the second scraper is in contact with the inner wall of the outer shell.

[0023] Preferably, a material conveying groove is provided on the inner wall of the shell, and the groove has a lower depth at one end of the material conveying groove close to the shell outlet and a higher depth at one end of the material conveying groove away from the shell outlet.

[0024] Preferably, a gear ring is fixedly provided on the inner wall of the shell, a reciprocating screw is rotatably provided on the tripod, a cleaning plate is threadedly connected to the reciprocating screw, and a gear meshing with the gear ring is fixedly provided on the other end of the reciprocating screw.

[0025] Preferably, the outer surface of the cleaning plate is provided with a PE anti-oil film with strong self-cleaning ability.

[0026] The beneficial effects of the present application are as follows: an explosion-proof three-in-one combustible gas detector provided by the present application, through a detector arranged in the outer shell and a cleaning mechanism arranged in the gas pipe, can be realized by a staff member starting a servo motor fixed on the outer shell when using the device, so that a rotating shaft fixedly connected to the output end of the servo motor rotates, the rotating rotating shaft drives a bevel gear 1 fixedly connected thereto to rotate, and the rotating bevel gear 1 drives a bevel gear 2 to rotate, thereby realizing the control shaft body 1 to rotate, the shaft body 1 drives the suction fan blades to rotate, the suction fan blades absorb the gas upward, and the device is convenient for detecting the gas, and at the same time a scraper 1 fixedly arranged on the shaft body 1 can scrape off the garbage adhered to the inner wall of the gas pipe, thereby ensuring the cleanliness of the air inlet of the device.

[0027] In addition to the above-described purposes, features and advantages, the present application also has other purposes, features and advantages. The present application will be further described in detail below with reference to the drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0029] Figure 2 It is a schematic diagram of the overall explosion structure of the present invention;

[0030] Figure 3 It is a schematic diagram of the internal structure of the housing of the present invention;

[0031] Figure 4 For the present invention Figure 3 The enlarged structural diagram at A in the middle;

[0032] Figure 5 It is a rear view structural schematic diagram of the present invention;

[0033] Figure 6 It is a schematic diagram of the bottom structure of the gas transmission pipe of the present invention;

[0034] Figure 7 It is a schematic diagram of the internal structure of the gas transmission pipe of the present invention;

[0035] Figure 8 It is a schematic diagram of the control component structure of the present invention;

[0036] Fig. 9For the present invention Figure 7 Enlarged structural diagram at B in the middle.

[0037] In the figure: 1. air delivery pipe; 2. shell; 21. material transport trough; 3. air outlet pipe; 31. shaft body 1; 32. suction fan blade; 33. long board; 34. ring; 35. scraper 1; 36. transmission unit; 361. bevel gear 1; 362. bevel gear 2; 4. filter; 5. inspection device; 51. detector; 52. threaded hole; 53. bolt; 54. protective cover; 6. cleaning mechanism; 61. servo motor; 62. rotating shaft; 7. scraper ring; 71. control component; 72. shaft body 2; 73. turntable; 731. pillar; 74. connecting rod; 741. bevel gear 3; 8. tripod; 81. scraper 2; 9. gear ring; 91. reciprocating screw; 92. cleaning plate; 93. gear. DETAILED DESCRIPTION

[0038] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present application will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0039] In order to enable those skilled in the art to better understand the solution of the present application, the technical solution in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the present application.

[0040] Reference Figure 1-3 , an explosion-proof three-in-one combustible gas detector, comprising: a gas pipe 1; a shell 2, fixedly connected to the upper end of the gas pipe 1; an air outlet pipe 3, fixedly connected to the shell 2; a filter 4, fixedly arranged at the air inlet of the gas pipe 1, for blocking impurities mixed in the combustible gas; an inspection device 5, fixedly arranged inside the shell 2, for inspecting the combustible gas in the air; a detector 51, fixedly arranged in the shell 2, and a plurality of threaded holes 52 are opened on the inner wall of the shell 2, and a plurality of bolts 53 corresponding to the threaded holes 52 are rotatably arranged on the outer wall of the detector 51; a protective cover 54, fixedly connected to the shell 2; a cleaning mechanism 6, fixedly arranged on the shell 2, for cleaning and removing impurities deposited in the device; a servo motor 61, fixedly connected to the shell 2; a rotating shaft 62, rotatably arranged on the shell 2, and a fixed connection between the rotating shaft 62 and the output end of the servo motor 61.

[0041] Reference Figure 4-6A shaft body 31 is rotatably arranged in the air delivery pipe 1, and a suction fan blade 32 is fixedly arranged on the outer circumference of the shaft body 31, and the blade length of the suction fan blade 32 is smaller than the pipe radius of the air delivery pipe 1, and a long plate 33 is fixedly arranged on the outer circumference of the shaft body 31, and a circular ring 34 is fixedly arranged on the long plate 33, and the circular ring 34 fits with the inner wall of the air delivery pipe 1, and a scraper 35 is fixedly arranged on the circular ring 34. By setting the shaft body 31 in the air delivery pipe 1, when the shaft body 31 rotates, the suction fan blade 32 fixedly connected to the outer circumference of the shaft body 31 rotates, and the rotating suction fan blade 32 can increase the suction effect of the device, and at the same time, the long plate 33 fixedly connected to the shaft body 31 rotates, and the circular ring 34 fixedly connected to the long plate 33 rotates, and the rotating circular ring 34 can drive the scraper 35 fixedly connected thereto to rotate to clean up the impurities and garbage attached to the inner wall of the air delivery pipe 1.

[0042] Reference Figure 4-6 The scraper 35 is fitted to the inner wall of the gas pipe 1, and the scraper 35 is arranged in a spiral shape as a whole. The servo motor 61 is provided with a transmission unit 36 ​​for controlling the rotation of the scraper 35. By setting the scraper 35 to fit the inner wall of the gas pipe 1, the scraper 35 is ensured to have a good cleaning efficiency. At the same time, the spirally arranged scraper 35 can ensure that the scraped impurities can be pushed to the end of the gas pipe 1 and removed when it rotates.

[0043] Reference Figure 3-5 The transmission unit 36 ​​includes a bevel gear 361 fixedly arranged on the rotating shaft 62, and a bevel gear 362 meshing with the bevel gear 361 is fixedly arranged on the shaft 31. The bevel gear 361 arranged on the rotating shaft 62 ensures that when the staff starts the servo motor 61, the rotating shaft 62 fixed on the output end of the servo motor 61 rotates, and drives the bevel gear 361 fixed on the rotating shaft 62 to rotate. The rotating bevel gear 361 drives the bevel gear 362 meshing with it to rotate, ensuring that the shaft 31 can rotate synchronously with the rotating shaft 62.

[0044] Reference Figure 3 , 7 and 8, a scraper ring 7 is slidably arranged in the air outlet pipe 3, and a control component 71 for controlling the scraper ring 7 to fit is arranged on the outer shell 2. The scraper ring 7 arranged in the air outlet pipe 3 can remove stains on the inner wall of the air outlet pipe 3 when the scraper ring 7 rotates.

[0045] Reference Figure 7-9The control component 71 includes a shaft body 2 rotatably arranged on the housing 2, a rotating disk 73 is fixedly arranged on the shaft body 2, a pillar 731 is eccentrically arranged on the rotating disk 73, and the pillar 731 is rotatably connected to the scraper ring 7 through a connecting rod 74. A bevel gear 3 741 meshing with the bevel gear 1 361 is fixedly arranged on the shaft body 2 72. When the bevel gear 1 361 rotates, the bevel gear 3 741 meshing with it is driven to rotate, thereby driving the shaft body 2 72 to rotate, and the rotating disk 73 fixedly arranged on the shaft body 2 72 rotates, and then through the pillar 731 eccentrically arranged on the rotating disk 73, the scraper ring 7 movably connected with it through the connecting rod 74 is driven to reciprocate along the inner wall of the outlet pipe 3 to remove oil impurities.

[0046] Reference Figure 2-4 A tripod 8 is fixedly arranged on the rotating shaft 62, and a scraper 2 81 is fixedly arranged at the end point of the tripod 8. The scraper 2 81 is in contact with the inner wall of the outer shell 2. The tripod 8 is arranged on the rotating shaft 62, so that when the tripod 8 rotates, the scraper 2 81 fixedly arranged on the tripod 8 rotates to clean the inner wall of the outer shell 2.

[0047] Reference Figure 2-4 A material transport groove 21 is provided on the inner wall of the outer shell 2, and the groove depth of the material transport groove 21 is low at one end close to the outlet of the outer shell 2, and is high at the other end away from the outlet of the outer shell 2. By setting the material transport groove 21 on the inner wall of the outer shell 2, it is achieved that when the oily stains scraped off by the scraper 81 move to the material transport groove 21, the stains can move to the bottom of the material transport groove 21, and finally flow into the air pipe 1 of the device and be discharged.

[0048] Reference Figure 1-3 A gear ring 9 is fixedly provided on the inner wall of the outer shell 2, a reciprocating screw rod 91 is rotatably provided on the tripod 8, a cleaning plate 92 is threadedly connected to the reciprocating screw rod 91, and a gear 93 meshing with the gear ring 9 is fixedly provided on the other end of the reciprocating screw rod 91. By means of the gear ring 9 provided on the side wall of the outer shell 2 and the reciprocating screw rod 91 rotatably provided on the tripod 8, it is achieved that as the tripod 8 rotates, the gear 93 on the reciprocating screw rod 91 rotates driven by the gear ring 9, and the rotating reciprocating screw rod 91 drives the cleaning plate 92 threadedly connected to its outer circumference to reciprocate, thereby completing the removal of impurities attached to its outer surface during the scraping process of the scraper 81.

[0049] Reference Figure 3 The outer surface of the cleaning plate 92 is provided with a PE anti-oil film with strong self-cleaning ability. By setting the anti-oil property of the cleaning plate 92 itself, the cleanliness of the cleaning plate 92 itself is ensured.

[0050] The specific scheme is as follows: when using the device, the staff first moves the device to a suitable position, and through the shaft body 31 set in the air pipe 1, when the shaft body 31 rotates, the suction fan blades 32 fixedly connected to the outer peripheral surface of the shaft body 31 rotate, and the rotating suction fan blades 32 can increase the suction effect of the device. At the same time, the long plate 33 fixedly connected to the shaft body 31 rotates, and the circular ring 34 fixedly connected to the long plate 33 rotates. The rotating circular ring 34 can drive the scraper 35 fixedly connected thereto to rotate to clean up the impurities and garbage attached to the inner wall of the air pipe 1. By setting the scraper 35 to fit the inner wall of the air pipe 1, it is ensured that the scraper 35 has a good cleaning efficiency. At the same time, the spirally set scraper 35 can ensure that it can push the scraped impurities to the end of the air pipe 1 when it rotates. And exclude, the shaft body 2 72 arranged on the shell 2 realizes that when the bevel gear 1 361 rotates, the bevel gear 3 741 meshing with it is driven to rotate, thereby driving the shaft body 2 72 to rotate, and the turntable 73 fixedly arranged on the shaft body 2 72 rotates, and then through the support 731 eccentrically arranged on the turntable 73, it is realized to drive the scraper ring 7 movably connected with it through the connecting rod 74 to reciprocate along the inner wall of the outlet pipe 3 to remove oil and impurities, the gear ring 9 arranged on the side wall of the shell 2 and the reciprocating screw rod 91 rotatably arranged on the tripod 8, realize that as the tripod 8 rotates, the gear 93 on the reciprocating screw rod 91 rotates driven by the gear ring 9, and the rotating reciprocating screw rod 91 drives the cleaning plate 92 threadedly connected to its outer circumference to reciprocate, thereby completing the removal of impurities attached to its outer surface during the scraping process of the scraper 2 81.

[0051] A person skilled in the art should understand that the discussion of any of the above embodiments is only exemplary, and within the spirit of the present invention, the technical features in the above embodiments or in different embodiments may be combined, the steps may be implemented in any order, and there are many other variations of the different aspects of the present invention as described above, which are not provided in detail for the sake of simplicity.

[0052] The present invention is intended to cover all such substitutions, modifications and variations that fall within the broad scope of the appended claims. Therefore, any omissions, modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. An explosion-proof three-in-one combustible gas detector, characterized in that: include: Gas pipeline (1); A housing (2) fixedly connected to the upper end of the gas transmission pipe (1); An air outlet pipe (3) fixedly connected to the bottom end of the outer shell (2); A filter screen (4) is fixedly arranged at the air inlet of the gas transmission pipe (1) and is used to block impurities mixed in the combustible gas; An inspection device (5) fixedly arranged inside the housing (2) and used for inspecting combustible gas in the air; A detector (51) is fixedly arranged in the housing (2), and a plurality of threaded holes (52) are provided on the inner wall of the housing (2); a plurality of bolts (53) corresponding to the threaded holes (52) are rotatably arranged on the outer wall of the detector (51); A protective cover (54) fixedly connected to the housing (2); A cleaning mechanism (6) is fixedly arranged on the housing (2) and is used to clean and remove impurities deposited in the device; A servo motor (61) fixedly connected to the housing (2); A rotating shaft (62) rotatably disposed on the housing (2), the rotating shaft (62) being fixedly connected to an output end of the servo motor (61); A shaft body (31) is rotatably arranged in the gas delivery pipe (1), a suction fan blade (32) is fixedly arranged on the outer circumference of the shaft body (31), and the blade length of the suction fan blade (32) is smaller than the pipe radius of the gas delivery pipe (1), and a long plate (33) is fixedly arranged on the outer circumference of the shaft body (31), a circular ring (34) is fixedly arranged on the long plate (33), the circular ring (34) is in contact with the inner wall of the gas delivery pipe (1), and a scraper plate (35) is fixedly arranged on the circular ring (34); The scraper blade 1 (35) is attached to the inner wall of the gas transmission pipe (1), and the scraper blade 1 (35) is arranged in a spiral shape as a whole. The servo motor (61) is provided with a transmission unit (36) for controlling the rotation of the scraper blade 1 (35); The transmission unit (36) comprises a bevel gear 1 (361) fixedly arranged on the rotating shaft (62), and a bevel gear 2 (362) meshing with the bevel gear 1 (361) is fixedly arranged on the shaft body (31); A scraper ring (7) is slidably disposed in the air outlet pipe (3), and a control component (71) for controlling the scraper ring (7) to fit in place is provided on the housing (2); The control assembly (71) comprises a second shaft (72) rotatably mounted on the housing (2); a rotating disk (73) is fixedly mounted on the second shaft (72); a support (731) is eccentrically mounted on the rotating disk (73); the support (731) is rotatably connected to the scraper ring (7) via a connecting rod (74); and a third bevel gear (741) meshing with the first bevel gear (361) is fixedly mounted on the second shaft (72).

2. The explosion-proof three-in-one combustible gas detector according to claim 1 is characterized in that: A tripod bracket (8) is fixedly arranged on the rotating shaft (62), and a second scraper (81) is fixedly arranged at the end point of the tripod bracket (8), and the second scraper (81) is in contact with the inner wall of the outer shell (2).

3. The explosion-proof three-in-one combustible gas detector according to claim 1 is characterized in that: A material transport groove (21) is provided on the inner wall of the outer shell (2), and the groove depth of the material transport groove (21) is low at one end close to the outlet of the outer shell (2), and high at the other end away from the outlet of the outer shell (2).

4. The explosion-proof three-in-one combustible gas detector according to claim 2 is characterized in that: A gear ring (9) is fixedly provided on the inner wall of the housing (2), a reciprocating screw rod (91) is rotatably provided on the tripod support (8), a cleaning plate (92) is threadedly connected to the reciprocating screw rod (91), and a gear (93) meshing with the gear ring (9) is fixedly provided on the other end of the reciprocating screw rod (91).

5. The explosion-proof three-in-one combustible gas detector according to claim 4 is characterized in that: The outer surface of the cleaning plate (92) is provided with a layer of PE anti-oil film with strong self-cleaning ability.

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