Gas relay verification device

Abstract

The utility model relates to the technical field of gas relays, and discloses a gas relay verification device, which comprises an inflator body, and a piston rod is slidably connected in the inflator body. A lifting mechanism is jointly arranged outside the inflator body and the piston rod and comprises a vertical plate, a motor is fixedly connected to the upper surface of the vertical plate, a reciprocating screw rod is fixedly connected to the output end of the motor, and supporting blocks are rotationally connected to the upper end and the lower end of the outer portion of the reciprocating screw rod; two supporting rods are symmetrically and fixedly connected between the two supporting blocks and located in front of the reciprocating lead screw. The positioning mechanism is arranged, the positioning rod in the positioning mechanism is rotated to drive the positioning block to clamp the inflating pipe, falling of the inflating pipe is avoided, the motor in the lifting mechanism drives the reciprocating lead screw to rotate, the lifting piece drives the piston rod to ascend and descend in a reciprocating mode, and the automatic inflating function is achieved. Therefore, workers can free hands to perform other operations, and time and labor are saved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a gas relay technology field, specifically a gas relay calibration device. BACKGROUND

[0002] In the verification of whether the light gas action of the gas relay is sensitive and reliable, the "pumping method" is usually used for verification, in the operation process, one end of the air outlet pipe of the pump is connected with the air outlet pipe of the gas relay, the pump is pumped to the inside of the gas relay to force the oil level to drop, and then the light gas action is measured by hand with a multimeter;

[0003] In the actual calibration process, one end of the air outlet pipe is directly sleeved on the air outlet pipe, and the connection between the air outlet pipe and the air outlet pipe is realized by interference fit, since there is a certain gas pressure in the gas relay, the action needs to be fast during pumping to increase the pressure of the gas entering the inside of the gas relay, but under the condition of excessive pressure, the air outlet pipe and the air outlet pipe are easy to fall off, causing the calibration experiment to fail, and the calibration efficiency of the gas relay is reduced.

[0004] A gas relay calibration tool is disclosed in Chinese patent (authorized publication number CN219590466U), the patent technology sets up the fixed mechanism, under the driving action of the driving mechanism, drives the clamping plates at one end of each clamping rod to approach each other, thereby limiting and fixing the air outlet pipe and the air outlet pipe, avoiding the falling off of the air outlet pipe and the air outlet pipe due to excessive pressure during pumping, ensuring the success of one-time pumping calibration, and improving the efficiency of the body calibration;

[0005] However, it has certain disadvantages: the whole pumping process completely depends on manual work, so that the staff cannot free their hands to measure with a multimeter or perform other operations, and when the number of gas relays to be calibrated is large, this manual pumping method is time-consuming and laborious. UTILITY MODEL CONTENT

[0006] The utility model aims at providing a gas relay calibration device to solve the problems in the above background technology.

[0007] To achieve the above object, the utility model provides the following technical scheme:

[0008] A gas relay calibration device, comprising a pump barrel, a piston rod is slidably connected in the inside of the pump barrel, and a pumping pipe is fixedly connected to the air outlet end of the pump barrel, and a positioning mechanism is arranged outside one end of the pumping pipe;

[0009] The outer part of the inflator barrel and the piston rod is provided with a lifting mechanism, the lifting mechanism comprises a vertical plate, the lower end of the vertical plate is fixedly connected with a horizontal plate, and the upper surface of the vertical plate is fixedly connected with a motor, the output end of the motor is fixedly connected with a reciprocating screw rod, the outer part of the reciprocating screw rod is rotatably connected with support blocks at the upper and lower ends, two support rods are symmetrically fixed between the two support blocks and in front of the reciprocating screw rod, and the outer part of the two support rods is provided with a lifting piece.

[0010] As a further scheme of the utility model: the positioning mechanism comprises a positioning frame, a positioning rod is threaded through and connected to the upper surface of the positioning frame, and a positioning block is rotatably connected to the lower end of the positioning rod.

[0011] As a further scheme of the utility model: the lifting piece comprises a connecting block, a connecting sleeve is fixedly connected to the front end of the connecting block, a connecting column is fixedly connected to the rear end of the connecting block, a concave plate is rotatably connected to the outer part of the connecting column, and slide rods are rotatably connected to the rear surface of the concave plate at both ends.

[0012] As a further scheme of the utility model: the horizontal plate is fixedly connected to the outer part of the upper end of the inflator barrel, and the rear end of the support block is fixedly connected to the front surface of the vertical plate.

[0013] As a further scheme of the utility model: the positioning frame is located on the outer part of the inflator pipe, and the end of the positioning block is slidably connected to the inner left and right side surfaces of the positioning frame.

[0014] As a further scheme of the utility model: the support rod movably penetrates the connecting block, the connecting sleeve is fixedly connected to the outer part of the upper end of the piston rod, and the slide rod is slidably connected to the reciprocating screw rod.

[0015] Compared with the prior art, the utility model has the advantages that:

[0016] 1. The utility model discloses a positioning mechanism, which is rotated to drive the positioning block to clamp the inflator pipe, so that the inflator pipe is tightly sleeved on the gas relay exhaust end, and the inflator pipe is prevented from falling off.

[0017] 2. The utility model discloses a lifting mechanism, which is rotated to drive the reciprocating screw rod, so that the lifting piece drives the piston rod to reciprocate, realizes the function of automatic inflation, and enables the staff to free their hands to perform other operations, thereby saving time and effort. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a structural schematic view of a gas relay calibration device;

[0019] Figure 2 It is a structural schematic view of a positioning mechanism in a gas relay calibration device;

[0020] Figure 3 It is a structure diagram of a lifting mechanism in a gas relay calibration device;

[0021] Figure 4 It is a structure diagram of a lifting member in a gas relay calibration device.

[0022] In the figure: 1, air pump barrel; 2, piston rod; 3, air pipe; 4, positioning mechanism; 5, positioning frame; 6, positioning rod; 7, positioning block; 8, lifting mechanism; 9, vertical plate; 10, horizontal plate; 11, motor; 12, reciprocating screw rod; 13, support block; 14, support rod; 15, lifting member; 16, connecting block; 17, connecting sleeve; 18, connecting column; 19, concave plate; 20, sliding rod; 21, gas relay. DETAILED DESCRIPTION

[0023] Please refer to Figure 1 and Figure 2 , the utility model discloses a gas relay calibration device, including air pump barrel 1, the inside sliding joint of air pump barrel 1 has piston rod 2, and the air outlet of air pump barrel 1 is fixedly connected with air pipe 3, and one end of air pipe 3 is provided with positioning mechanism 4 outside, and positioning mechanism 4 includes positioning frame 5, and positioning frame 5 is located outside air pipe 3, and the upper surface of positioning frame 5 is penetrated with positioning rod 6 and is connected with the screw thread, and the lower end of positioning rod 6 is rotatably connected with positioning block 7, and the end of positioning block 7 is slidably connected to the inside left and right side surface of positioning frame 5;

[0024] Air pipe 3 is set in the outside of the gas release end of gas relay 21, is used for the air of gas relay 21 inside pumping, forces oil level to drop, then can measure light gas action condition through multimeter, so as to calibrate it;Its calibration principle is same with the calibration principle in a kind of gas relay calibration tool (authorization announcement number CN219590466U) of Chinese patent disclosure;

[0025] Positioning block 7 is located at the intersection of air pipe 3 and the outside of gas release end, and rotating positioning rod 6 can clamp air pipe 3, so that it is firmly attached to the outside of gas release end, to avoid falling off.

[0026] In Figure 1 , Figure 3 and Figure 4The outer part of the air pump barrel 1 and the piston rod 2 is provided with a lifting mechanism 8, the lifting mechanism 8 comprises a vertical plate 9, the lower end of the vertical plate 9 is fixedly connected with a horizontal plate 10, the horizontal plate 10 is fixedly connected with the outer upper end position of the air pump barrel 1, the upper surface of the vertical plate 9 is fixedly connected with a motor 11, the output end of the motor 11 is fixedly connected with a reciprocating screw rod 12, the outer upper and lower ends of the reciprocating screw rod 12 are both rotatably connected with a supporting block 13, the rear end of the supporting block 13 is fixedly connected with the front surface of the vertical plate 9, two supporting rods 14 are fixedly connected between the two supporting blocks 13 and in front of the reciprocating screw rod 12, the outer part of the two supporting rods 14 is provided with a lifting piece 15, the lifting piece 15 comprises a connecting block 16, the supporting rod 14 movably penetrates through the connecting block 16, the front end of the connecting block 16 is fixedly connected with a connecting sleeve 17, the connecting sleeve 17 is fixedly connected with the outer upper end position of the piston rod 2, the rear end of the connecting block 16 is fixedly connected with a connecting column 18, the outer part of the connecting column 18 is rotatably connected with a concave plate 19, the rear surface of the concave plate 19 is rotatably connected with a slide rod 20, and the slide rod 20 is slidably connected with the reciprocating screw rod 12;

[0027] The lower end of the air pump barrel 1 is fixedly connected with a base, so that the whole air pump can be stably placed on the ground or other plane;

[0028] The reciprocating screw rod 12 is a part existing in the prior art, which comprises a rod body and two thread grooves with the same pitch and opposite rotation directions formed on the surface of the rod body, and the slide rod 20 slides in the thread grooves; therefore, when the rod body rotates, the thread grooves push the slide rod 20 placed in the thread grooves to make axial reciprocating motion, so as to drive the connecting sleeve 17 to make axial reciprocating motion, and further drive the piston rod 2 to reciprocate and lift to automatically inflate, so that the staff can free the hands to operate the gas relay 21.

[0029] The working principle of the utility model is as follows: in use, the user places the positioning mechanism 4 on the outer part of the inflating pipe 3, then sets the inflating pipe 3 on the outer part of the gas exhaust end of the gas relay 21, moves the positioning mechanism 4 to make it located at the position where the inflating pipe 3 and the gas exhaust end overlap, rotates the positioning rod 6 to make the positioning block 7 tightly adhere to the inflating pipe 3, so as to avoid the falling of the inflating pipe 3; turns on the motor 11 to drive the reciprocating screw rod 12 to rotate, so as to make the lifting piece 15 move downward to the head and then move upward to the head, so as to reciprocate, drive the piston rod 2 to automatically reciprocate and lift to automatically inflate, and the staff can free the hands to operate other operations.

[0030] The above is only the preferred specific implementation manner of the utility model, but the protection scope of the utility model is not limited to this, any person skilled in the art can make equivalent replacement or change according to the technical scheme and the utility model concept of the utility model within the technical range disclosed by the utility model, which should be covered in the protection scope of the utility model.

[0031] In the description of the utility model, it is to explain, unless another explicit provision and limitation, term "installation", "link", "connection" should do broad sense understanding, for example, can be fixed connection, also can be detachable connection, or integrally connected;Can be mechanical connection, also can be electrical connection;Can be directly connected, also can be indirectly connected through the intermediate medium, can be two elements inside the communication。For ordinary skilled person in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

Claims

1. A gas relay calibration device, comprising an air pump body (1), wherein a piston rod (2) is slidably connected inside the air pump body (1), and an air pump pipe (3) is fixedly connected to the air outlet end of the air pump body (1), wherein a positioning mechanism (4) is provided on the outside of one end of the air pump pipe (3). Its features are, The air pump body (1) and piston rod (2) are provided with a lifting mechanism (8) on their exterior. The lifting mechanism (8) includes a vertical plate (9). A horizontal plate (10) is fixedly connected to the lower end of the vertical plate (9). A motor (11) is fixedly connected to the upper surface of the vertical plate (9). A reciprocating screw (12) is fixedly connected to the output end of the motor (11). Support blocks (13) are rotatably connected to the upper and lower ends of the reciprocating screw (12). Two support rods (14) are symmetrically fixed between the two support blocks (13) in front of the reciprocating screw (12). A lifting component (15) is provided on the exterior of the two support rods (14).

2. The gas relay calibration device according to claim 1, characterized in that, The positioning mechanism (4) includes a positioning frame (5), and a positioning rod (6) is threadedly connected to the upper surface of the positioning frame (5). A positioning block (7) is rotatably connected to the lower end of the positioning rod (6).

3. The gas relay calibration device according to claim 1, characterized in that, The lifting component (15) includes a connecting block (16), a connecting sleeve (17) is fixedly connected to the front end of the connecting block (16), and a connecting column (18) is fixedly connected to the rear end of the connecting block (16). A concave plate (19) is rotatably connected to the outside of the connecting column (18), and slide rods (20) are rotatably connected to both ends of the rear surface of the concave plate (19).

4. A gas relay calibration device according to claim 1, characterized in that, The horizontal plate (10) is fixed to the upper outer part of the air pump body (1), and the rear end of the support block (13) is fixed to the front surface of the vertical plate (9).

5. A gas relay calibration device according to claim 2, characterized in that, The positioning frame (5) is located outside the air inflator (3), and the end of the positioning block (7) is slidably connected to the inner left and right surfaces of the positioning frame (5).

6. A gas relay calibration device according to claim 3, characterized in that, The support rod (14) is movably connected through the connecting block (16), the connecting sleeve (17) is fixed to the upper outer part of the piston rod (2), and the slide rod (20) is slidably connected to the reciprocating screw (12).

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