Calibration auxiliary device for high-altitude gas alarm

Abstract

The invention relates to a calibration auxiliary device for a high-altitude gas alarm, and relates to the field of calibration auxiliary equipment for the high-altitude gas alarm, the calibration auxiliary device for the high-altitude gas alarm comprises a rack, a sealing cover, a telescopic assembly, a concentration detector and a fixing assembly, the sealing cover is connected with the rack in a sliding mode, and a sealing base is fixedly connected with the rack; the telescopic assembly is fixedly connected with the rack and provided with a telescopic end, the concentration detector is fixedly connected with the sealing cover, and the fixing assembly is fixedly connected with the rack and provided with a plurality of pressing units. Through cooperation of the sealing cover and the sealing base, multiple groups of bearing tables can be accommodated, so that multiple groups of high-altitude gas alarms can be calibrated at the same time, the disassembly and assembly time of the high-altitude gas alarms is shortened, and the calibration efficiency of the high-altitude gas alarms is improved.

Description

Technical Field

[0001] The invention relates to the technical field of calibration auxiliary equipment for high-altitude gas alarms, and in particular to a calibration auxiliary device for high-altitude gas alarms. Background Art

[0002] A high altitude gas alarm is a combustible gas alarm installed at a high place.

[0003] In the production process of high-altitude gas alarms, the high-altitude gas alarms need to be calibrated after they are assembled.

[0004] At present, the existing high-altitude gas alarm calibration equipment usually has a detection end to independently calibrate a high-altitude gas alarm. Although this calibration method can be used, since the calibration equipment can only calibrate one high-altitude gas alarm at a time, a lot of time will be wasted in the plugging and fixing process of the detection end, thus causing the problem of long calibration time of the calibration equipment. Summary of the invention

[0005] In view of this, the purpose of the present invention is to provide a calibration auxiliary device for a high-altitude gas alarm to solve the problem that the calibration equipment can only be calibrated independently each time and the calibration time of the high-altitude gas alarm is long.

[0006] Based on the above-mentioned purpose, the present invention provides a calibration auxiliary device for a high-altitude gas alarm, comprising: a frame; a sealing cover, which is connected to the frame in a sliding manner and has a test cavity; a sealing base, which is fixedly connected to the frame and has a plurality of bearing platforms for bearing the high-altitude gas alarm; a telescopic component, which is fixedly connected to the frame and has a telescopic end fixedly connected to the sealing cover, and the telescopic end is used to drive the sealing cover to move toward or away from the bearing platform; a concentration detector, which is fixedly connected to the sealing cover and has a detection end extending into the test cavity, and the detection end is used to calibrate the concentration of combustible gas; a fixing component, which is fixedly connected to the frame and has a plurality of movably connected clamping units, and the clamping units are used to clamp and fix the sealing cover on the sealing base.

[0007] Preferably, a plurality of vertical guide pillars are fixed on the frame, a guide pillar slider is fixed on the sealing cover, the guide pillar slider is slidably mounted on the outer wall of the vertical guide pillar, and an air inlet and an exhaust port are provided on the sealing cover.

[0008] Preferably, the test cavity is arranged at the bottom end of the sealing cover, and the upper end of the sealing base is provided with a sealing flange matching the test cavity.

[0009] Preferably, a bearing groove for bearing the high-altitude gas alarm is provided at the upper end of the bearing platform.

[0010] Preferably, a conductive channel is provided in the support platform, one end of the conductive channel passes through the upper end of the support platform, and the other end of the conductive channel passes through the lower end of the support platform.

[0011] Preferably, the clamping unit includes a clamping support frame, which is fixedly connected to the frame, a first transmission shaft is installed on the clamping support frame by a rotational connection, a clamping block and a first gear are fixed on the outer wall of the first transmission shaft by a key connection, an extension flange is provided at the lower end of the sealing cover, the clamping block contacts with the upper end of the extension flange, and presses the sealing cover to the upper end of the sealing base, a second transmission shaft is installed on the clamping support frame by a rotational connection, a second gear is fixed on the outer wall of the second transmission shaft by a key connection, the first gear is meshed with the second gear, a driving thread is provided on the outer wall of the second transmission shaft, a driving slider is fixed on the frame by a sliding manner, and the driving slider is mounted on the outer wall of the second transmission shaft by a threaded connection.

[0012] Preferably, a first bearing seat and a second bearing seat are fixed on the clamping support frame, the first transmission shaft is connected to the first bearing seat via a bearing connection, and the second transmission shaft is connected to the second bearing seat via a bearing connection.

[0013] Preferably, the fixed assembly also includes a driving shaft and a driving motor, the driving shaft is fixedly connected to the frame by a rotating connection, a driven gear and a driving arm are fixed on the outer wall of the driving shaft by a key connection, the driving motor is fixedly connected to the frame, a driving gear is fixed on the output shaft of the driving motor, a sliding rack is slidably installed on the frame, the sliding rack is meshed with the driving gear and the driven gear, a driving slide rod is provided on the driving arm, and a driven arm is symmetrically installed with a driven arm along the length direction of the frame by sliding at the lower end of the frame, the driven arm is fixedly connected to the driving slider, a sliding groove is provided on the driven arm, and the driving slide rod is inserted into the sliding groove by transmission.

[0014] Preferably, a workbench is fixed on the frame, and a plurality of through slots for fixing components to pass through are formed on the workbench.

[0015] Preferably, a third bearing seat is fixed to the lower end of the workbench, and the drive shaft is connected to the third bearing seat by means of a bearing connection. A guide block is also fixed to the lower end of the workbench, and a slide groove for sliding the sliding rack is provided on the guide block.

[0016] The beneficial effects of the present invention are as follows: through the cooperation between the sealing cover and the sealing base, multiple groups of bearing platforms can be accommodated, so that multiple groups of high-altitude gas alarms can be calibrated at the same time, reducing the disassembly and assembly time of the high-altitude gas alarms and improving the calibration efficiency of the high-altitude gas alarms. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions in the present invention or the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings in the following description are only for the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0018] Figure 1 This is a front view of an embodiment of the present invention;

[0019] Figure 2 It is a schematic diagram of the three-dimensional structure of an embodiment of the present invention;

[0020] Figure 3 Schematic diagram of the explosion structure of an embodiment of the present invention Figure 1 ;

[0021] Figure 4 Schematic diagram of the explosion structure of an embodiment of the present invention Figure 2 ;

[0022] Figure 5 Schematic diagram of the exploded structure of the fixing assembly in the embodiment of the present invention Figure 1 ;

[0023] Figure 6 Schematic diagram of the exploded structure of the fixing assembly in the embodiment of the present invention Figure 2 ;

[0024] Figure 7 This is a usage status diagram of an embodiment of the present invention.

[0025] The markings in the figure are: 1. frame; 11. workbench; 2. sealing cover; 21. test chamber; 22. extension flange; 3. sealing base; 31. bearing platform; 311. bearing groove; 32. sealing flange; 33. conductive flow channel; 4. telescopic assembly; 5. concentration detector; 6. fixing assembly; 61. clamping support frame; 62. first transmission shaft; 63. clamping block; 64. first gear; 65. second transmission shaft; 651. driving thread; 66. second gear; 67. driving slider; 68. first bearing seat; 69. second bearing seat; 610. driving shaft; 611. driving motor; 612. driven gear; 613. driving arm; 6131. ​​driving slide rod; 614. driving gear; 615. sliding rack; 616. driven arm; 6161. sliding groove; 617. third bearing seat; 7. vertical guide column; 8. guide column slider. DETAILED DESCRIPTION

[0026] In order to make the objectives, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with specific embodiments.

[0027] It should be noted that, unless otherwise defined, the technical terms or scientific terms used in the present invention should be understood by people with ordinary skills in the field to which the present invention belongs. The "first", "second" and similar words used in the present invention do not indicate any order, quantity or importance, but are only used to distinguish different components. "Include" or "comprise" and similar words mean that the elements or objects appearing before the word include the elements or objects listed after the word and their equivalents, without excluding other elements or objects. "Connect" or "connected" and similar words are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "Up", "down", "left", "right" and the like are only used to indicate relative positional relationships. When the absolute position of the described object changes, the relative positional relationship may also change accordingly.

[0028] In one embodiment, see Figures 1 to 4 As shown, the present invention provides a calibration auxiliary device for a high-altitude gas alarm, comprising: a frame 1, a sealing cover 2, a sealing base 3, a telescopic component 4, a concentration detector 5 and a fixing component 6.

[0029] The frame 1 serves as a carrier of the calibration auxiliary device related structures.

[0030] The sealing cover 2 is connected to the frame 1 by sliding, and has a test chamber 21. The sealing cover 2 is connected to an external gas supply device, and the gas supply device is used to provide test gas.

[0031] The sealing base 3 is fixedly connected to the frame 1 by bolts, and has a plurality of bearing platforms 31 for bearing the high-altitude gas alarm. The bearing platforms 31 are connected to the sealing base 3 by bolts.

[0032] The telescopic assembly 4 is fixedly connected to the frame 1 and has a telescopic end fixedly connected to the sealing cover 2 by bolts, and the telescopic end is used to drive the sealing cover 2 to move toward or away from the bearing platform 31. The telescopic assembly 4 can be an electric or pneumatic telescopic cylinder.

[0033] The concentration detector 5 is fixedly connected to the sealing cover 2 by bolts, and has a detection end extending into the test cavity 21, and the detection end is used to calibrate the concentration of the combustible gas. The concentration detector 5 is used to provide a standard value for calibration, and the detection end is a gas collection end.

[0034] The fixing assembly 6 is fixedly connected to the frame 1 and has a plurality of movably connected pressing units, which are used to press and fix the sealing cover 2 on the sealing base 3. Preferably, four groups of pressing units are used.

[0035] Specifically, when the calibration auxiliary device is working, the high-altitude gas alarm is placed on the supporting platform 31, the telescopic component 4 works to control the sealing cover 2 to move toward the sealing base 3 until the sealing cover 2 conflicts with the sealing base 3, the fixing component 6 works until the clamping unit conflicts with the sealing cover 2 to fix the sealing cover 2, the external gas supply equipment works, the test gas enters the test chamber 21, the concentration of the test gas is detected by the concentration detector 5, and the operator adjusts the value of the high-altitude gas alarm according to the marked value.

[0036] In summary, the present invention can accommodate multiple groups of support platforms 31 through the cooperation between the sealing cover 2 and the sealing base 3, so that multiple groups of high-altitude gas alarms can be calibrated simultaneously, reducing the disassembly and assembly time of the high-altitude gas alarms and improving the calibration efficiency of the high-altitude gas alarms.

[0037] As an example, see Figures 1 to 4 As shown, a plurality of vertical guide posts 7 are fixed to the frame 1 by bolts, a guide post slider 8 is fixed to the sealing cover 2 by bolts, the guide post slider 8 is slidably mounted on the outer wall of the vertical guide post 7, and an air inlet and an exhaust port are provided on the sealing cover 2. The air inlet is connected to an external air supply device, and the exhaust port is connected to an external negative pressure device, which is used to absorb the test gas to ensure the safety of the test site.

[0038] Specifically, in this example, the vertical movement of the sealing cover 2 is achieved through the cooperation between the vertical guide column 7 and the guide column slider 8, thereby ensuring the stability of the sealing cover 2 during the vertical movement.

[0039] As an example, see Figures 1 to 4 As shown, the test cavity 21 is arranged at the bottom end of the sealing cover 2 , and the upper end of the sealing base 3 is provided with a sealing flange 32 matching the test cavity 21 .

[0040] Specifically, in this example, the sealing flange 32 cooperates with the sealing cover 2 to increase the sealing performance of the test chamber 21, avoid leakage of the test gas, and improve safety during calibration.

[0041] As an example, see Figures 1 to 4 As shown, a bearing groove 311 for bearing the high-altitude gas alarm is provided at the upper end of the bearing platform 31 .

[0042] Specifically, this example places the high-altitude gas alarm through the bearing slot 311, thereby achieving rapid positioning of the high-altitude gas alarm, reducing the time for disassembly and assembly of the high-altitude gas alarm, and improving the calibration efficiency of the high-altitude gas alarm.

[0043] As an example, see Figures 1 to 5 As shown, a conductive channel 33 is disposed in the carrier platform 31 , one end of the conductive channel 33 passes through the upper end of the carrier platform 31 , and the other end of the conductive channel 33 passes through the lower end of the carrier platform 31 .

[0044] Specifically, a through hole is opened on the sealing base 3 of this example, and the conductive flow channel 33 includes a power supply wire. The external power supply is electrically connected to the power supply wire through the through hole, which facilitates the layout of the circuit and avoids interference with the sealing cover 2.

[0045] As an example, see Figures 1 to 6 As shown, the clamping unit includes a clamping support frame 61, which is fixedly connected to the frame 1 by bolts, a first transmission shaft 62 is installed on the clamping support frame 61 by a rotational connection, a clamping block 63 and a first gear 64 are fixed on the outer wall of the first transmission shaft 62 by a key connection, an extension flange 22 is provided at the lower end of the sealing cover 2, the clamping block 63 abuts against the upper end of the extension flange 22, and presses the sealing cover 2 to the upper end of the sealing base 3, a second transmission shaft 65 is installed on the clamping support frame 61 by a rotational connection, a second gear 66 is fixed on the outer wall of the second transmission shaft 65 by a key connection, the first gear 64 is meshed with the second gear 66, a driving thread 651 is provided on the outer wall of the second transmission shaft 65, a driving slider 67 is fixed on the frame 1 by a sliding manner, the driving slider 67 is sleeved on the outer wall of the second transmission shaft 65 by a threaded connection, and is threadedly connected by the driving thread 651. The driving slider 67 can move along the length direction of the frame 1 , and the first transmission shaft 62 and the second transmission shaft 65 are arranged along the length direction of the frame 1 .

[0046] Specifically, in this example, the movement of the driving slider 67 drives the second transmission shaft 65 to rotate, the second transmission shaft 65 drives the second gear 66 to rotate, the second gear 66 drives the first gear 64 to rotate, the first gear 64 drives the first transmission shaft 62 to rotate, and the first transmission shaft 62 drives the clamping block 63 to rotate until the clamping block 63 contacts the outer wall of the sealing cover 2, thereby clamping the sealing cover 2, ensuring the sealing of the test chamber 21, avoiding leakage of the test gas, and improving safety during calibration.

[0047] As an example, see Figures 1 to 6 As shown, the first bearing seat 68 and the second bearing seat 69 are fixed to the clamping support frame 61 by bolts, the first transmission shaft 62 is connected to the first bearing seat 68 by a bearing connection, and the second transmission shaft 65 is connected to the second bearing seat 69 by a bearing connection, thereby realizing the quick installation of the first transmission shaft 62 and the second transmission shaft 65.

[0048] As an example, see Figures 1 to 6 As shown, the fixing assembly 6 also includes a driving shaft 610 and a driving motor 611. The driving shaft 610 is fixedly connected to the frame 1 by a rotational connection. A driven gear 612 and a driving arm 613 are fixed on the outer wall of the driving shaft 610 by a key connection. The driving motor 611 is fixedly connected to the frame 1 by bolts. A driving gear 614 is fixed on the output shaft of the driving motor 611. A sliding rack 615 is installed on the frame 1 by sliding. The sliding rack 615 is meshed with the driving gear 614 and the driven gear 612. A driving slide bar 6131 is provided on the driving arm 613. A driven arm 616 is symmetrically installed on the lower end of the frame 1 along the length direction of the frame 1 by sliding. The driven arm 616 is fixedly connected to the driving slider 67. A sliding groove 6161 is provided on the driven arm 616. The driving slide bar 6131 is inserted into the sliding groove 6161 by transmission.

[0049] Specifically, this example works through the drive motor 611, the output shaft of the drive motor 611 drives the drive gear 614 to rotate, the drive gear 614 drives the sliding rack 615 to move, the sliding rack 615 drives the driven gear 612 to rotate, the driven gear 612 drives the drive shaft 610 to rotate, the drive shaft 610 drives the drive arm 613 to rotate, the drive arm 613 drives the drive slide 6131 to move, the drive slide 6131 drives the driven arm 616 to move, the driven arm 616 drives the drive slider 67 to move, thereby driving the clamping block 63 and ensuring the stability of the fixing component 6 during operation.

[0050] As an example, see Figures 1 to 7 As shown, a workbench 11 is fixed on the frame 1 , and a plurality of through slots for the fixing components 6 to pass through are provided on the workbench 11 , so as to facilitate the installation of the fixing components 6 .

[0051] As an example, see Figures 1 to 6 As shown, a third bearing seat 617 is fixed to the lower end of the workbench 11 by bolts, and the drive shaft 610 is connected to the third bearing seat 617 by a bearing connection. A guide block 618 is also fixed to the lower end of the workbench 11 by bolts, and a sliding groove for sliding the sliding rack 615 is provided on the guide block 618.

[0052] Specifically, in this example, the cooperation between the guide block 618 and the workbench 11 enables the rapid disassembly and assembly of the sliding rack 615 , and the cooperation between the third bearing seat 617 and the drive shaft 610 enables the rapid installation of the drive shaft 610 .

[0053] In general, the present invention can accommodate multiple groups of supporting platforms 31 through the cooperation between the sealing cover 2 and the sealing base 3, so that multiple groups of high-altitude gas alarms can be calibrated at the same time, reducing the disassembly and assembly time of the high-altitude gas alarms and improving the calibration efficiency of the high-altitude gas alarms. In addition, through the cooperation between the sealing flange 32 and the sealing cover 2, the sealing performance of the test chamber 21 is increased, the leakage of the test gas is avoided, and the safety during calibration is improved.

[0054] Those skilled in the art should understand that the discussion of any of the above embodiments is merely illustrative and is not intended to imply that the scope of the present invention (including the claims) is limited to these examples. Under the concept of the present invention, the technical features in the above embodiments or 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.

[0055] 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. A calibration auxiliary device for a high-altitude gas alarm, characterized in that: include: Rack (1); A sealing cover (2) is connected to the frame (1) in a sliding manner and has a test cavity (21); A sealing base (3) is fixedly connected to the frame (1) and has a plurality of bearing platforms (31) for bearing the high-altitude gas alarm; A telescopic assembly (4) is fixedly connected to the frame (1) and has a telescopic end fixedly connected to the sealing cover (2), wherein the telescopic end is used to drive the sealing cover (2) to move toward or away from the bearing platform (31); A concentration detector (5) is fixedly connected to the sealing cover (2) and has a detection end extending into the test cavity (21), wherein the detection end is used to calibrate the concentration of the combustible gas; The fixing assembly (6) is fixedly connected to the frame (1) and has a plurality of movably connected pressing units, wherein the pressing units are used to press and fix the sealing cover (2) onto the sealing base (3).

2. The calibration auxiliary device for a high-altitude gas alarm according to claim 1, characterized in that: A plurality of vertical guide columns (7) are fixed on the frame (1), a guide column slider (8) is fixed on the sealing cover (2), the guide column slider (8) is slidably mounted on the outer wall of the vertical guide column (7), and an air inlet and an air outlet are provided on the sealing cover (2).

3. The calibration auxiliary device for a high-altitude gas alarm according to claim 2, characterized in that: The test cavity (21) is arranged at the bottom end of the sealing cover (2), and the upper end of the sealing base (3) is provided with a sealing flange (32) matching the test cavity (21).

4. The calibration auxiliary device for a high-altitude gas alarm according to claim 1, characterized in that: The upper end of the bearing platform (31) is provided with a bearing groove (311) for bearing the high-altitude gas alarm.

5. The calibration auxiliary device for a high-altitude gas alarm according to claim 4, characterized in that: A conductive channel (33) is provided in the support platform (31), one end of the conductive channel (33) passes through the upper end of the support platform (31), and the other end of the conductive channel (33) passes through the lower end of the support platform (31).

6. The calibration auxiliary device for a high-altitude gas alarm according to claim 1, characterized in that: The clamping unit comprises a clamping support frame (61), the clamping support frame (61) is fixedly connected to the frame (1), a first transmission shaft (62) is mounted on the clamping support frame (61) by means of a rotational connection, a clamping block (63) and a first gear (64) are fixed on the outer wall of the first transmission shaft (62) by means of a key connection, an extension flange (22) is arranged at the lower end of the sealing cover (2), the clamping block (63) abuts against the upper end of the extension flange (22), and the sealing cover (2) is clamped on the upper end of the sealing base (3) At the end, a second transmission shaft (65) is installed on the clamping support frame (61) by means of a rotational connection, a second gear (66) is fixed on the outer wall of the second transmission shaft (65) by means of a key connection, the first gear (64) is meshed with the second gear (66), a driving thread (651) is provided on the outer wall of the second transmission shaft (65), a driving slider (67) is fixed on the frame (1) by means of a sliding connection, and the driving slider (67) is sleeved on the outer wall of the second transmission shaft (65) by means of a threaded connection.

7. The calibration auxiliary device for a high-altitude gas alarm according to claim 6, characterized in that: A first bearing seat (68) and a second bearing seat (69) are fixed on the clamping support frame (61); the first transmission shaft (62) is connected to the first bearing seat (68) by means of a bearing connection; and the second transmission shaft (65) is connected to the second bearing seat (69) by means of a bearing connection.

8. The calibration auxiliary device for a high-altitude gas alarm according to claim 6, characterized in that: The fixing assembly (6) further comprises a driving shaft (610) and a driving motor (611); the driving shaft (610) is fixedly connected to the frame (1) by means of a rotational connection; a driven gear (612) and a driving arm (613) are fixedly connected to the outer wall of the driving shaft (610) by means of a key connection; the driving motor (611) is fixedly connected to the frame (1); a driving gear (614) is fixedly connected to the output shaft of the driving motor (611); and a sliding rack (615) is mounted on the frame (1) by means of a sliding manner. The sliding rack (615) is meshed with the driving gear (614) and the driven gear (612); a driving slide bar (6131) is provided on the driving arm (613); a driven arm (616) is symmetrically mounted at the lower end of the frame (1) along the length direction of the frame (1) by sliding; the driven arm (616) is fixedly connected to the driving slider (67); a sliding groove (6161) is provided on the driven arm (616); and the driving slide bar (6131) is inserted into the sliding groove (6161) by transmission.

9. The calibration auxiliary device for a high-altitude gas alarm according to claim 8, characterized in that: A workbench (11) is fixed on the frame (1), and a plurality of through slots for the fixing components (6) to pass through are provided on the workbench (11).

10. The calibration auxiliary device for a high-altitude gas alarm according to claim 9, characterized in that: A third bearing seat (617) is fixed at the lower end of the workbench (11), and the drive shaft (610) is connected to the third bearing seat (617) by means of a bearing connection. A guide block is also fixed at the lower end of the workbench (11), and a slide groove for sliding the sliding rack (615) is provided on the guide block.

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