Pressure gauge zero point inspection machine

Abstract

The utility model discloses a pressure gauge zero point inspection machine, which relates to the technical field of pressure gauge detection, and comprises an inspection bench and a vertical plate, one side of the vertical plate is provided with a driving mechanism, the other side of the vertical plate is fixedly provided with two shells, the inner walls of the two shells are both rotatably connected with rotating shafts, and the rotating shafts are rotatably connected with the driving mechanism. The surface of the rotating shaft is fixedly connected with a plurality of separation rings, and two sleeve plates are arranged on the surface of the rotating shaft and located between every two separation rings through bidirectional threads. According to the pressure gauge zero point inspection machine, a plurality of clamps are arranged on the inspection equipment, and under the driving of the driving mechanism, a plurality of pressure gauges can be fixed at the same time; then the electric sliding rail drives the camera to move, the pointer position of each pressure gauge is shot, whether the zero position points of the pressure gauges are accurate or not is judged through an external control system, multi-station automatic inspection greatly improves the inspection efficiency and accuracy, the workload of manual inspection is reduced, and the inspection error is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to pressure gauge detection technical field, concretely is a pressure gauge zero point inspection machine. BACKGROUND

[0002] Pressure gauge is the elastic element for sensitive element, measures and indicates the instrument above ambient pressure, application is extremely common, it almost pervades all industrial processes and scientific research field, in heat pipe network, oil and gas transmission, water supply and gas supply system, vehicle maintenance and repair factory and so on field everywhere can be seen, especially in industrial process control and technical measurement process, because the elastic sensitive element of mechanical pressure gauge has very high mechanical strength and the characteristics such as convenient production, make the mechanical pressure gauge get more and more extensive application.

[0003] At present, manufacturers will carry out preliminary calibration and zero setting to pressure gauge after production, however, the zero point of pressure gauge can be offset in the process of transportation or storage, so zero point inspection is needed before actual use, when the current pressure gauge is inspected, the zero point of each pressure gauge is usually observed manually, in the case that the number of pressure gauges to be inspected is large, the workload of manual observation is large, and inspection error is easy to occur in the process, thereby reducing the accuracy of inspection. UTILITY MODEL CONTENT

[0004] In view of the defects of the prior art, the utility model provides a pressure gauge zero point inspection machine, which solves the problem of large workload of manual observation and inspection of the zero point of each pressure gauge in the case that the number of pressure gauges to be inspected is large, and reduces the accuracy of inspection.

[0005] To achieve the above object, the utility model is realized by the following technical scheme: a pressure gauge zero point inspection machine, comprising an inspection table and a vertical plate, one side of the vertical plate is provided with a driving mechanism, the other side of the vertical plate is fixedly provided with two housings, the inner walls of the two housings are both rotatably connected with rotating shafts, the surfaces of the rotating shafts are fixedly connected with a plurality of partition rings, the surfaces of the rotating shafts and between every two partition rings are provided with two sleeve plates through bidirectional threads, the bottoms of every two sleeve plates are provided with clamps, the outer surface of the housing is provided with an electric sliding rail, and the surface of the electric sliding rail is slidably provided with a camera through an L-shaped plate.

[0006] Preferably, the driving mechanism comprises a motor fixed on the outer side of the vertical plate through a mounting plate, a fixed shaft rotatably arranged on the rear side of the motor through a mounting plate, a connecting shaft arranged on the output end of the motor, a belt pulley fixedly connected with the surfaces of the fixed shaft and the connecting shaft, and two belt pulleys connected through a belt.

[0007] Preferably, one end of the fixed shaft and the connecting shaft penetrating into the housing is fixedly connected with one end of the two rotating shafts, respectively.

[0008] Preferably, the clamp comprises a connecting plate fixed on the bottom of the sleeve plate, the bottom of the connecting plate is fixedly connected with a clamping plate, and the inner side of the clamping plate is bonded with a protective pad.

[0009] Preferably, the inner side of the clamp is fixedly clamped with a pressure gauge, and the two sides of the bottom of the inspection table are fixedly connected with supporting plates.

[0010] Preferably, a plurality of through grooves are formed in the top of the inspection table, and an alarm is fixedly connected to the top of the inspection table and located in front of each pressure gauge.

[0011] Preferably, a collecting frame is arranged between the two supporting plates at the bottom of the inspection table, two first partition plates are arranged transversely in the collecting frame, and a plurality of second partition plates are fixedly connected to the sides of the two first partition plates away from each other.

[0012] Preferably, a rubber pad is fixedly connected to the bottom of the inner wall of the collecting frame.

[0013] Beneficial effects

[0014] The utility model provides a pressure gauge zero point inspection machine. Compared with prior art, the following

[0015] Beneficial effects:

[0016] (1) the pressure gauge zero point inspection machine, a plurality of clamps are arranged on the inspection equipment, and the clamps are driven by the driving mechanism to fix a plurality of pressure gauges at the same time, then the camera is driven to move by the electric sliding rail, the pointer position of each pressure gauge is shot, and whether the zero point of the pressure gauge is accurate is judged by the external control system, the multi-station automatic inspection greatly improves the inspection efficiency and accuracy, reduces the workload of manual inspection, and reduces the inspection error.

[0017] (2) the pressure gauge zero point inspection machine, when the pointer position of the pressure gauge is not at zero, the alarm in front of the corresponding pressure gauge flashes, the clamp is loosened by the driving mechanism, the pressure gauge can be automatically discharged into the collecting frame, the pressure gauge which is not zeroed is taken out according to the alarm position, and subsequent adjustment can be concentrated, thereby improving the work efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 is a schematic view of the structure of the utility model;

[0019] Figure 2 is a schematic view of the driving mechanism structure of the utility model;

[0020] Figure 3 is a schematic view of the clamping plate structure of the utility model;

[0021] Figure 4 It is a schematic view of the collecting frame structure of the utility model.

[0022] In the figure: 1, test bench; 2, vertical plate; 3, drive mechanism; 31, motor; 32, fixed shaft; 33, connecting shaft; 34, belt pulley; 35, belt; 4, shell; 5, rotating shaft; 6, partition ring; 7, two-way thread; 8, cover plate; 9, clamp; 10, electric slide rail; 11, L-shaped plate; 12, camera; 13, connecting plate; 14, clamping plate; 15, protective pad; 16, pressure gauge; 17, support plate; 18, through slot; 19, alarm; 20, collecting frame; 21, first partition plate; 22, second partition plate; 23, rubber pad. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0024] Embodiment one

[0025] Please refer to Figures 1 to 3 The utility model provides a pressure gauge zero point inspection machine, including test bench 1, one side of test bench 1 is fixedly connected with vertical plate 2, one side of vertical plate 2 is provided with drive mechanism 3;

[0026] Drive mechanism 3 includes the motor 31 of being fixed in the outer side of vertical plate 2 through mounting plate, the motor 31 is connected with external power supply through wire, and is controlled through external switch, the outer surface of vertical plate 2 and located the rear side of motor 31 is rotatably provided with fixed shaft 32 through mounting plate, the output end of motor 31 is fixedly connected with connecting shaft 33 through coupling, the surface of fixed shaft 32 and connecting shaft 33 all are fixedly connected with belt pulley 34, and the both sides of two belt pulleys 34 are drivenly connected through belt 35;

[0027] Wherein, one end of fixed shaft 32 and connecting shaft 33 all penetrates vertical plate 2 and respectively extends to the inside of two shells 4, and one end of fixed shaft 32 and connecting shaft 33 extending to the inside of shell 4 is fixedly connected with one end of two rotating shafts 5 respectively;

[0028] The two housings 4 are fixedly arranged on the side of the vertical plate 2 away from the driving mechanism 3, and are arranged in parallel front and back. The inner walls of the two housings 4 are rotationally connected with rotating shafts 5. The surfaces of the rotating shafts 5 are fixedly connected with a plurality of partition rings 6. The surfaces of the rotating shafts 5 and between every two partition rings 6 are provided with bidirectional threads 7. The surfaces of each bidirectional thread 7 are threadedly connected with a sleeve plate 8. The top of the sleeve plate 8 is slidingly connected with the top of the inner wall of the housing 4 through a sliding block. The bottom of every two sleeve plates 8 is provided with a clamp 9.

[0029] The clamp 9 comprises a connecting plate 13 fixedly arranged on the bottom of the sleeve plate 8. The bottom of the connecting plate 13 is fixedly connected with a clamping plate 14. The inner side of the clamping plate 14 is bonded with a protective pad 15 made of rubber, which is used to protect the surface of the pressure gauge 16 from being damaged.

[0030] The opposite sides of the two housings 4 are fixedly provided with electric sliding rails 10. The electric sliding rails 10 are prior art, which are used to drive the camera 12 to move reciprocally in a straight line through an L-shaped plate 11. The specific structure and principle are well known to those skilled in the art, and will not be described in detail here. The surface of the electric sliding rail 10 is slidingly provided with the L-shaped plate 11. The inner side of the L-shaped plate 11 is fixedly connected with the camera 12. The camera 12 is aligned with the pressure gauge 16 to take pictures of the pointer position of each pressure gauge 16. The stroke of the camera 12 driven by the electric sliding rail 10 is controlled by an external control system, which is a computer device.

[0031] The inner side of each clamp 9 is fixedly clamped with a pressure gauge 16. The two sides of the bottom of the testing table 1 are fixedly connected with support plates 17.

[0032] Through the above structure, the rotating shaft 5 is driven to rotate by starting the motor 31. The rotating shaft 5 is provided with a plurality of bidirectional threads 7. Each bidirectional thread 7 region is provided with two sleeve plates 8. When rotating, the sleeve plates 8 in each bidirectional thread 7 region can move relatively or in the opposite direction. The pressure gauge 16 is fixed or loosened by the clamp 9 at the bottom of the sleeve plate 8. Multiple pressure gauges 16 can be fixed at the same time for multi-station testing. After the pressure gauge 16 is fixed, the camera 12 is moved by the electric sliding rail 10 to take pictures of the pointer position of each pressure gauge 16. The image is uploaded to the external control system. The external control system compares with the preset zero point position to determine whether the zero point of the pressure gauge 16 is accurate. Multi-station automatic testing greatly improves the testing efficiency and accuracy, reduces the workload of manual testing, and reduces the testing error.

[0033] Embodiment Two

[0034] On the basis of Embodiment One, please refer to Figure 1 and Figure 4As shown, the top of the test bench 1 and below each pressure gauge 16 is provided with a through slot 18, and the top of the test bench 1 and in front of each pressure gauge 16 is fixedly connected with an alarm 19;

[0035] The bottom of the test bench 1 and between the two support plates 17 is provided with a collection frame 20, the height of the collection frame 20 is set to be the same as the height of the pressure gauge 16, so that the drop is smaller when discharging, the inside of the collection frame 20 is transversely provided with two first partitions 21, and the side away from each other of the two first partitions 21 is fixedly connected with a plurality of second partitions 22, the first partition 21 and the second partition 22 divide the inside of the collection frame 20 into a plurality of compartments which are adapted to the size of the pressure gauge 16, so that the pressure gauge 16 is vertically placed in the collection frame 20 when discharging, and the bottom of the inner wall of the collection frame 20 and in each compartment is fixedly connected with a rubber pad 23.

[0036] Through the above structure, when it is found that the zero point of the pressure gauge 16 is inaccurate, the external control system controls the alarm 19 in front of the pressure gauge 16 to flash the light to prompt the tester, and the clamp 9 can be loosened by reversing the motor 31, a plurality of pressure gauges 16 are simultaneously dropped into the collection frame 20 through the through slot 18, the rubber pad 23 buffers and protects them, the inside of the collection frame 20 is divided into a plurality of compartments which are adapted to the size of the pressure gauge 16 by the first partition 21 and the second partition 22, the pressure gauge 16 which is not zeroed in the corresponding compartment is taken out according to the alarm position, and is distinguished from the zeroed pressure gauge 16, which can be adjusted subsequently.

[0037] Meanwhile, the contents not described in detail in the specification all belong to the prior art known to those skilled in the art.

[0038] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A pressure gauge zero point testing machine comprising a testing table (1) and a vertical plate (2), characterized in that: One side of the vertical plate (2) is provided with a drive mechanism (3), the other side of the vertical plate (2) is fixedly provided with two housings (4), the inner wall of two housings (4) is rotatably connected with a rotating shaft (5), the surface of the rotating shaft (5) is fixedly connected with a plurality of separation ring (6), the surface of the rotating shaft (5) and between every two separation ring (6) is provided with two cover plates (8) through the two-way thread (7), the bottom of every two cover plates (8) is provided with a clamp (9), the outer surface of the housing (4) is provided with an electric slide rail (10), and the surface of the electric slide rail (10) is slidably provided with a camera (12) through an L-shaped plate (11).

2. A pressure gauge zero point tester according to claim 1, characterized in that: The drive mechanism (3) comprises a motor (31) fixed outside the vertical plate (2) through a mounting plate, a fixed shaft (32) rotatably arranged at the rear side of the motor (31) through a mounting plate, a connecting shaft (33) arranged at the output end of the motor (31), and a belt pulley (34) fixedly connected to the surfaces of the fixed shaft (32) and the connecting shaft (33), and two belt pulleys (34) are drivingly connected through a belt (35).

3. A pressure gauge zero point tester according to claim 2, wherein: The fixed shaft (32) and the connecting shaft (33) penetrate into the housing (4) and are fixedly connected to one ends of two rotating shafts (5).

4. A pressure gauge zero point tester according to claim 1, characterized in that: The clamp (9) comprises a connecting plate (13) fixed at the bottom of the cover plate (8), a clamping plate (14) fixedly connected to the bottom of the connecting plate (13), and a protective pad (15) bonded to the inner side of the clamping plate (14).

5. A pressure gauge zero point tester according to claim 1, characterized in that: The inner side of the clamp (9) fixedly clamps a pressure gauge (16), and the two sides of the bottom of the inspection table (1) are fixedly connected with support plates (17).

6. A pressure gauge zero point tester according to claim 5, wherein: A plurality of through grooves (18) are formed in the top of the inspection table (1), and an alarm (19) is fixedly connected to the front side of each pressure gauge (16) on the top of the inspection table (1).

7. A pressure gauge zero point tester according to claim 5, wherein: A collecting frame (20) is arranged between the two support plates (17) at the bottom of the inspection table (1), two first partitions (21) are transversely arranged in the collecting frame (20), and a plurality of second partitions (22) are fixedly connected to the sides away from each other of the two first partitions (21).

8. A pressure gauge zero point tester according to claim 7, characterised in that: A rubber pad (23) is fixedly connected to the bottom of the inner wall of the collecting frame (20).

Images