Gas alarm calibration device

Abstract

The utility model relates to the technical field of gas alarm calibration, in particular to a gas alarm calibration device which comprises a support, a base and a gas tank are fixed at the top end of the support, a gas inlet valve is fixed at the top end of the gas tank, one side, close to the gas tank, of the base is connected with the gas tank, a hydraulic cylinder and a sucking pump are fixed on the base, and a clamping piece is arranged on one side of the base. A supporting piece is arranged on a piston rod of the hydraulic cylinder, an air supply pipe is arranged in the supporting piece, the top end of the air supply pipe is in threaded connection with a connector, the end, away from the connector, of the air supply pipe is in threaded connection with a telescopic pipe, a branch pipe is fixed to the end, away from the air supply pipe, of the telescopic pipe, and a gas concentration sensor is fixed to the branch pipe; a transverse pipe is fixed to an exhaust pipe of the sucking pump, and first valves are fixed to the ends, away from the sucking pump, of the transverse pipe and the guide pipe. According to the utility model, the gas alarm is convenient to mount and dismount, and the efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a gas alarm calibration technical field, specifically related to a gas alarm calibration device. BACKGROUND

[0002] The gas alarm is gas leak detection alarm instrument. When the combustible or toxic gas leaks in the industrial environment, the gas alarm detects the gas concentration reaches the critical point set by the explosion or poisoning alarm, the alarm will send an alarm signal to remind the work to take safety measures, and drive the exhaust, cut off, spray system to prevent explosion, fire, poisoning accident, so as to guarantee the safety production. Before use, the gas alarm generally needs to calibrate the accuracy of the alarm. Before the calibration of the gas alarm, the staff usually needs to spend a certain amount of time to install the detection head of the gas alarm on the connecting head of the calibration device, and after calibration, a certain amount of time is needed to unload the gas alarm to calibrate the next gas alarm, which reduces the efficiency. UTILITARIAN CONTENT

[0003] In view of the problems in the prior art, the utility model provides a gas alarm calibration device.

[0004] The utility model solves the technical scheme that adopts a kind of gas alarm calibration device, including support, the top of support is fixed with pedestal and gas tank, the top of gas tank is fixed with inlet valve, the side of pedestal close to gas tank is connected with gas tank, the hydraulic cylinder and suction pump are fixed on the pedestal, one side of the pedestal is equipped with clamping piece, the piston rod of hydraulic cylinder is equipped with support piece, the support piece is equipped with gas supply pipe, the top of gas supply pipe is screw thread connection with connecting head, the end of gas supply pipe away from connecting head is screw thread connection with telescopic pipe, the end of telescopic pipe away from gas supply pipe is fixed with branch pipe, gas concentration sensor is fixed on the branch pipe, the inlet pipe of suction pump is fixed with catheter, the exhaust pipe of suction pump is fixed with horizontal pipe, the end of horizontal pipe and catheter away from suction pump is fixed with first valve, one of first valve is communicated with gas tank, another first valve is connected with branch pipe.

[0005] By adopting the technical scheme, the clamping piece is arranged, the piston rod of the hydraulic cylinder drives the support piece to move upwards, the gas supply pipe and the connector move upwards, the connector is conveniently and quickly connected with the detection head of the gas alarm, the two first valves are opened, the air pump is operated, the gas in the gas tank enters the gas alarm through the cross pipe, the branch pipe, the telescopic pipe, the gas supply pipe and the connector, the gas concentration sensor detects the output gas concentration, and then the detected value is compared with the value detected by the detection head of the gas alarm, so that the gas alarm can be calibrated, after calibration, the piston rod of the hydraulic cylinder drives the support piece to move downwards, the gas supply pipe and the connector move downwards, the connector is conveniently separated from the detection head of the gas alarm, the installation and dismounting time is saved, and the efficiency is improved.

[0006] Specifically, the clamping piece comprises a bracket and a clamping block, the bracket is connected with the base, one side of the bracket is fixed with a motor, an output shaft of the motor is connected with a bidirectional screw rod through a shaft coupling, and two clamping blocks are arranged, and each of the two clamping blocks is provided with a screw hole matched with the bidirectional screw rod, and the opposite side walls of the two clamping blocks are fixed with anti-skid pads.

[0007] By adopting the technical scheme, the gas alarm is arranged between the two anti-skid pads, the output shaft of the motor drives the bidirectional screw rod to rotate, the two clamping blocks move towards the gas alarm, and the two anti-skid pads are tightly attached to the gas alarm, so that different models of gas alarms can be conveniently fixed.

[0008] Specifically, one end of the bidirectional screw rod away from the motor is rotatably connected with the bracket, two guide rods are fixed in the bracket, and the bidirectional screw rod is located between the two guide rods, and each of the two clamping blocks is provided with two through holes matched with the guide rods.

[0009] By adopting the technical scheme, the guide rods are arranged, and the stability of the two clamping blocks can be improved.

[0010] Specifically, the support piece comprises a clamping seat and a locking bolt, and the clamping seat and the locking bolt are both provided with two, one of the clamping seats is connected with the piston rod of the hydraulic cylinder through a bolt, protective pads are fixed in the two clamping seats, and the two clamping seats are both provided with two screw holes matched with the locking bolts.

[0011] By adopting the technical scheme, the clamping seat, the locking bolt and the protective pad are arranged, the gas supply pipe is conveniently fixed, the clamping seat away from the hydraulic cylinder can be dismounted by loosening the two locking bolts, and the gas supply pipe can be conveniently dismounted, maintained or replaced.

[0012] Specific, the side of the gas pump is provided with a connecting pipe, the gas concentration sensor and the gas tank are provided with a elbow pipe, the two ends of the connecting pipe are fixedly provided with second valves, one of the second valves is communicated with the guide pipe, the other second valve is communicated with the branch pipe, the two ends of the elbow pipe are fixedly provided with third valves, one of the third valves is communicated with the cross pipe, the other third valve is communicated with the gas tank.

[0013] By adopting the above technical scheme, after calibration, the two first valves are closed, the two second valves and the two third valves are opened, the gas pump is started, the excess gas in the gas supply pipe, the telescopic pipe and the branch pipe enters the gas pump through the connecting pipe and the guide pipe and then returns to the gas tank through the cross pipe and the elbow pipe, not only the gas is saved, but also the phenomenon that the excess gas pollutes the air during the process of disassembling the gas alarm is reduced.

[0014] The gas alarm calibration device has the advantages that:

[0015] (1) The gas alarm calibration device, the clamping piece is convenient for clamping the gas alarm to be calibrated, the piston rod of the hydraulic cylinder drives the support piece to move upwards, the gas supply pipe and the connecting head move upwards, the connecting head is quickly connected with the detection head of the gas alarm, the two first valves are opened, the gas pump is operated, the gas in the gas tank enters the gas alarm through the cross pipe, the branch pipe, the telescopic pipe, the gas supply pipe and the connecting head, the gas concentration sensor detects the output gas concentration, then the detected value of the detection head of the gas alarm is compared, and the gas alarm is calibrated, after calibration, the piston rod of the hydraulic cylinder drives the support piece to move downwards, the gas supply pipe and the connecting head move downwards, the connecting head is separated from the detection head of the gas alarm, the installation and disassembly time is saved, and the efficiency is improved.

[0016] (2) The gas alarm calibration device, after calibration, the two first valves are closed, the two second valves and the two third valves are opened, the gas pump is started, the excess gas in the gas supply pipe, the telescopic pipe and the branch pipe enters the gas pump through the connecting pipe and the guide pipe and then returns to the gas tank through the cross pipe and the elbow pipe, not only the gas is saved, but also the phenomenon that the excess gas pollutes the air during the process of disassembling the gas alarm is reduced. DRAWINGS

[0017] The utility model is further described below in combination with the drawings and examples.

[0018] Figure 1 It is the structural schematic diagram of the utility model;

[0019] Figure 2 It is the structural schematic diagram of the utility model; Figure 1 It is the enlarged view of structure in A place of the utility model;

[0020] Figure 3 It is the structural schematic diagram of the utility model;Figure 1 Enlarged view of the structure at B;

[0021] Figure 4 Structure diagram of the clamping piece of the utility model.

[0022] In the figure: 1, support; 2, base; 3, hydraulic cylinder; 4, clamping piece; 40, bracket; 41, bidirectional screw rod; 42, clamping block; 43, guide rod; 44, motor; 45, non-slip pad; 5, gas tank; 6, inlet valve; 7, supporting piece; 70, clamping seat; 71, locking bolt; 72, protective pad; 8, first valve; 9, conduit; 10, second valve; 11, connecting pipe; 12, air pump; 13, cross pipe; 14, branch pipe; 15, gas concentration sensor; 16, third valve; 17, elbow; 18, telescopic pipe; 19, gas supply pipe; 20, connector. DETAILED DESCRIPTION

[0023] In order to make the technical means, creative features, purposes and effects realized by the utility model easy to understand, the utility model is further described below in combination with specific embodiments.

[0024] In order to improve efficiency, as an embodiment of the utility model, as shown in Figure 1 、 Figure 2 、 Figure 3 indicated, a gas alarm calibrating device, including support 1, the top end of support 1 is welded and fixed with base 2 and gas tank 5, the top end of gas tank 5 is welded and fixed with inlet valve 6, the side close to gas tank 5 of base 2 is welded and connected with gas tank 5, the base 2 is fixed with hydraulic cylinder 3 and air pump 12 through bolt, one side of base 2 is equipped with clamping piece 4, the piston rod of hydraulic cylinder 3 is equipped with supporting piece 7, supporting piece 7 is equipped with gas supply pipe 19, the top end of gas supply pipe 19 is screwed with connector 20, the end away from connector 20 of gas supply pipe 19 is screwed with telescopic pipe 18, the end away from gas supply pipe 19 of telescopic pipe 18 is fixed with branch pipe 14 through adhesive, branch pipe 14 is fixed with gas concentration sensor 15, the inlet pipe of air pump 12 is welded and fixed with conduit 9, the exhaust pipe of air pump 12 is welded and fixed with cross pipe 13, the end away from air pump 12 of cross pipe 13 and conduit 9 is welded and fixed with first valve 8, one of first valve 8 is communicated with gas tank 5, the other first valve 8 is welded and connected with branch pipe 14.

[0025] In use, the arrangement of the clamping piece 4 facilitates clamping the gas alarm to be calibrated, the piston rod of the hydraulic cylinder 3 drives the support 7 to move upwards, the gas supply pipe 19 and the connecting head 20 move upwards, the connecting head 20 is conveniently connected with the detection head of the gas alarm, the two first valves 8 are opened, the air pump 12 is started, the gas in the gas tank 5 enters the gas alarm through the cross pipe 13, the branch pipe 14, the telescopic pipe 18, the gas supply pipe 19, the connecting head 20, the gas concentration sensor 15 detects the output gas concentration, and then compares the value detected by the detection head of the gas alarm to calibrate the gas alarm (prior art, not described in detail), after calibration, the piston rod of the hydraulic cylinder 3 drives the support 7 to move downwards, the gas supply pipe 19 and the connecting head 20 move downwards, the connecting head 20 is conveniently separated from the detection head of the gas alarm, the installation and disassembly time is saved, and the efficiency is improved.

[0026] In order to facilitate the fixation of the gas alarm, as shown in Figure 4 , the clamping piece 4 comprises a bracket 40 and a clamping block 42, the bracket 40 is welded to the base 2, one side of the bracket 40 is fixed with a motor 44 through a bolt, the output shaft of the motor 44 is connected with a bidirectional screw rod 41 through a shaft coupling, and the two clamping blocks 42 are provided with screw holes matched with the bidirectional screw rod 41, and the opposite side walls of the two clamping blocks 42 are fixed with anti-skid pads 45 through an adhesive.

[0027] In use, the gas alarm is placed between the two anti-skid pads 45, the output shaft of the motor 44 drives the bidirectional screw rod 41 to rotate, the two clamping blocks 42 move towards the gas alarm, and the two anti-skid pads 45 tightly abut against the gas alarm, so that different models of gas alarms are conveniently fixed.

[0028] In order to improve the stability of the clamping block 42, as shown in Figure 4 , the end of the bidirectional screw rod 41 away from the motor 44 is rotatably connected with the bracket 40, two guide rods 43 are welded and fixed in the bracket 40, and the bidirectional screw rod 41 is located between the two guide rods 43.

[0029] In order to facilitate the dismounting of the gas supply pipe 19, as shown in Figure 2 , the support 7 comprises a clamping seat 70 and a locking bolt 71, the clamping seat 70 and the locking bolt 71 are both provided with two, one of the clamping seat 70 is connected with the piston rod of the hydraulic cylinder 3 through a bolt, the two clamping seat 70 are both fixed with a protective pad 72 through an adhesive, and the two clamping seat 70 are both provided with two screw holes matched with the locking bolt 71.

[0030] In order to facilitate the recovery of excess gas, as shown in Figure 2As shown, one side of the air pump 12 is provided with a connecting pipe 11, the gas concentration sensor 15 and the gas tank 5 are provided with a bend pipe 17, both ends of the connecting pipe 11 are welded and fixed with second valves 10, one of the second valves 10 is communicated with the pipe 9, and the other second valve 10 is communicated with the branch pipe 14, both ends of the bend pipe 17 are welded and fixed with third valves 16, one of the third valves 16 is communicated with the cross pipe 13, and the other third valve 16 is communicated with the gas tank 5.

[0031] After calibration, the two first valves 8 are closed, the two second valves 10 and the two third valves 16 are opened, and the air pump 12 is started, so that the excess gas in the gas supply pipe 19, the telescopic pipe 18 and the branch pipe 14 enters the air pump 12 through the connecting pipe 11 and the pipe 9, and then returns to the gas tank 5 through the exhaust pipe of the air pump 12, the cross pipe 13 and the bend pipe 17, which not only saves gas, but also reduces the phenomenon that the excess gas pollutes the air during the disassembly of the gas alarm.

[0032] In use, the gas alarm is placed between the two anti-skid pads 45, the output shaft of the motor 44 drives the bidirectional screw rod 41 to rotate, the two clamping blocks 42 move towards the gas alarm, and the two anti-skid pads 45 are close to the gas alarm, so that different models of gas alarms are fixed conveniently.

[0033] The piston rod of the hydraulic cylinder 3 drives the support 7 to move upwards, the gas supply pipe 19 and the connecting head 20 move upwards, the connecting head 20 is quickly connected with the detection head of the gas alarm, the two first valves 8 are opened, the air pump 12 is started, the gas in the gas tank 5 enters the gas alarm through the cross pipe 13, the branch pipe 14, the telescopic pipe 18, the gas supply pipe 19 and the connecting head 20, the gas concentration sensor 15 detects the output gas concentration, and then compares the detected value with the value detected by the detection head of the gas alarm, so that the calibration of the gas alarm can be performed (the prior art is not described in detail).

[0034] The two first valves 8 are closed, the two second valves 10 and the two third valves 16 are opened, and the air pump 12 is started, so that the excess gas in the gas supply pipe 19, the telescopic pipe 18 and the branch pipe 14 enters the air pump 12 through the connecting pipe 11 and the pipe 9, and then returns to the gas tank 5 through the exhaust pipe of the air pump 12, the cross pipe 13 and the bend pipe 17, which not only saves gas, but also reduces the phenomenon that the excess gas pollutes the air during the disassembly of the gas alarm.

[0035] After calibration, the piston rod of the hydraulic cylinder 3 drives the support 7 to move downwards, the gas supply pipe 19 and the connecting head 20 move downwards, the connecting head 20 is separated from the detection head of the gas alarm, the installation and disassembly time is saved, and the efficiency is improved.

[0036] The basic principle, main features and advantages of the present application are shown and described above. Those skilled in the art should understand that the present application is not limited by the above embodiments, and the above embodiments and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the present application. The scope of protection of the present application is defined by the appended claims and their equivalents. The contents not described in detail in the present application are all known prior art to those skilled in the art.

Claims

1. A gas alarm calibrator apparatus, characterized by, The utility model provides a kind of gas concentration control device, including support (1), the top of support (1) is fixed with base (2) and gas tank (5), the top of gas tank (5) is fixed with air inlet valve (6), base (2) is connected with gas tank (5) near one side of gas tank (5), base (2) is fixed with hydraulic cylinder (3) and air pump (12) on, one side of base (2) is equipped with clamping piece (4), the piston rod of hydraulic cylinder (3) is equipped with support (7), support (7) is equipped with gas supply pipe (19) in, the top of gas supply pipe (19) is screw thread connection with connector (20), the end of gas supply pipe (19) away from connector (20) is screw thread connection with telescopic pipe (18), the end of telescopic pipe (18) away from gas supply pipe (19) is fixed with branch pipe (14), branch pipe (14) is fixed with gas concentration sensor (15) on, the inlet pipe of air pump (12) is fixed with guide pipe (9), the exhaust pipe of air pump (12) is fixed with cross pipe (13), the end of cross pipe (13) and guide pipe (9) away from air pump (12) is fixed with first valve (8), one of first valve (8) is communicated with gas tank (5), another first valve (8) is connected with branch pipe (14).

2. A gas alarm calibrator according to claim 1, wherein, The clamping piece (4) includes a bracket (40) and a clamping block (42), the bracket (40) is connected with the base (2), one side of the bracket (40) is fixed with a motor (44), the output shaft of the motor (44) is connected with a bidirectional screw rod (41) through a shaft coupling, the clamping block (42) is provided with two, both of the clamping blocks (42) are provided with screw holes matched with the bidirectional screw rod (41), and the opposite side walls of the two clamping blocks (42) are both fixed with anti-skid pads (45).

3. A gas alarm calibrator according to claim 2, wherein, The bidirectional screw rod (41) is rotatably connected with the bracket (40) at one end away from the motor (44), two guide rods (43) are fixed in the bracket (40), and the bidirectional screw rod (41) is located between the two guide rods (43). Both of the clamping blocks (42) are provided with two through holes matched with the guide rods (43).

4. A gas alarm calibrator according to claim 1, wherein, The support (7) includes a clamping seat (70) and a locking bolt (71), both of the clamping seat (70) and the locking bolt (71) are provided with two, one of the clamping seat (70) is connected with the piston rod of the hydraulic cylinder (3) through a bolt, both of the clamping seat (70) are fixed with protective pads (72) in, and both of the clamping seat (70) are provided with two screw holes matched with the locking bolt (71).

5. A gas alarm calibrator according to claim 1, wherein, One side of the air pump (12) is provided with a connecting pipe (11), a bend pipe (17) is arranged between the gas concentration sensor (15) and the gas tank (5), both ends of the connecting pipe (11) are fixed with second valves (10), one of the second valves (10) is communicated with the guide pipe (9), and the other second valve (10) is communicated with the branch pipe (14), both ends of the bend pipe (17) are fixed with third valves (16), one of the third valves (16) is communicated with the cross pipe (13), and the other third valve (16) is communicated with the gas tank (5).

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