Automatic batch calibrating device for pressure gauges

Abstract

The invention relates to the technical field of pressure gauge detection, in particular to a pressure gauge batch automatic calibrating device which comprises a machine body, a display screen, a button and an indicator light are mounted on the surface of the machine body, a control device is arranged on the surface of the machine body, and the control device comprises a positioning seat. The positioning seat is fixedly connected with the upper surface of the machine body, the upper surface of the positioning seat is rotatably connected with a mounting pipe, the mounting pipe is fixedly connected with a transmission sleeve, one side of the machine body is fixedly connected with a mounting seat, a control motor is mounted in the mounting seat, and the driving end of the control motor is fixedly connected with a driving wheel; the driving wheel and the transmission sleeve are sleeved with a driving belt. According to the scheme, the connecting structure of the pressure gauge is effectively improved, semi-automatic mounting and dismounting of the pressure gauge are achieved, the workload of detection personnel is reduced, the detection efficiency of equipment is improved, and normal use of the equipment is facilitated.

Description

Technical Field

[0001] The invention relates to the technical field of pressure gauge detection, and in particular to a batch automatic calibration device for pressure gauges. Background Art

[0002] The pressure gauge calibration device is a device used to calibrate the accuracy of the pressure gauge. It is mainly composed of a pressure generating system (including a manual or electric pressure pump, a gas or liquid pressure source), a high-precision standard pressure gauge, connecting pipes and valves. When working, the pressure generating system generates a standard pressure, which is transmitted to the standard pressure gauge and the calibrated pressure gauge through the connecting pipe. The error of the calibrated pressure gauge is calculated by comparing the indications of the two.

[0003] Prior art, such as the invention with publication number CN107796561A, discloses a batch measurement and calibration system and method for pressure gauges, including a pre-pressing device connected to the pressure pipeline, a medium container, a digital precision pressure gauge, a pre-pressing hand pump, a plurality of first stop valves, a plurality of second stop valves, a plurality of connectors of the inspected meter and a plurality of single meter fine-tuning hand pumps, a control system and a collection key, and a control unit connected to the pre-pressing device; an information input unit is used to input the information of the inspected meter and the digital precision pressure gauge, and automatically divide the calibration points of the inspected meter according to the information of the inspected meter; a data acquisition unit is connected to the digital precision pressure gauge through the collection key, and is used to collect real-time pressure data information of the digital precision pressure gauge; a data processing unit is used to analyze and process the data information collected by the data acquisition unit. The present invention solves the problems of low efficiency of existing pressure gauge measurement and calibration, inability to realize digitization, intelligence and batching, high probability of error introduction, and eliminates the problem of human active intervention in existing calibration methods.

[0004] At present, when most pressure gauge batch calibration devices are used, it is necessary to manually connect the joint on the pressure gauge with the joint on the calibration device. When testing a large number of pressure gauges, the workload of the testers is increased, the calibration efficiency of the equipment is reduced, and it is not conducive to the normal use of the equipment. Improvements are needed. Summary of the invention

[0005] The purpose of the present invention is to solve the problem that most pressure gauge batch calibration devices in the prior art need to manually connect the joint on the pressure gauge with the joint on the calibration device when in use, which increases the workload of the inspection personnel, reduces the calibration efficiency of the equipment, and is not conducive to the normal use of the equipment when inspecting a large number of pressure gauges. A batch automatic calibration device for pressure gauges is proposed to solve the problem that

[0006] In order to achieve the above-mentioned purpose, the present invention adopts the following technical scheme: a pressure gauge batch automatic calibration device, comprising a body, a display screen is installed on the surface of the body, a button is installed on the surface of the body, an indicator light is installed on the surface of the body, a control device is arranged on the surface of the body, the control device comprises a positioning seat, the positioning seat is fixedly connected to the upper surface of the body, a mounting tube is rotatably connected to the upper surface of the positioning seat, a transmission sleeve is fixedly connected to the mounting tube, a mounting seat is fixedly connected to one side of the body, a control motor is installed inside the mounting seat, a driving end of the control motor is fixedly connected to a driving wheel, a driving belt is sleeved on the driving wheel and the transmission sleeve, and a positioning device is arranged on the upper surface of the body. This scheme effectively improves the connection structure of the pressure gauge, realizes semi-automatic installation and disassembly of the pressure gauge, reduces the workload of detection personnel, improves the detection efficiency of the equipment, and facilitates the normal use of the equipment.

[0007] Preferably, the number of the positioning seats, positioning seats and mounting tubes is multiple, and the multiple positioning seats, positioning seats and mounting tubes are arranged at equal intervals.

[0008] Preferably, the driving wheel, driving belt and transmission sleeve are at the same level to facilitate normal use of the equipment.

[0009] Preferably, the positioning device includes a back plate, the back plate is located above the machine body, a positioning cylinder is fixedly connected to the upper surface of the machine body, a support rod is fixedly connected to one side of the back plate, one end of the support rod slides with the inner wall of the positioning cylinder, a bracket is fixedly connected to the lower surface of the back plate, a temperature control component is arranged inside the back plate, before testing the pressure gauge, the tube on the pressure gauge is clamped into the bracket, and then the rear of the pressure gauge is fitted with the back plate, the joint of the pressure gauge is located below the bracket, and after placing a plurality of pressure gauges, Pull the pulling block downward, and the pulling block drives the support plate, the bracket and the pressure gauge to move downward through the control rod. Then the joint of the pressure gauge is aligned with the mounting tube, and the control motor is turned on. The control motor drives the transmission sleeve and the mounting tube to rotate through the driving wheel and the driving belt. Then the joint of the pressure gauge is threaded on the mounting tube, and then the pulling block is released. During this process, the pressure gauge drives the bracket, the support plate, the support rod and the convex ring to move downward, and the spring is deformed under force. After the joint of the pressure gauge is stably connected to the mounting tube, the driving motor is turned off, and then the machine body can be operated for calibration.

[0010] Preferably, a convex ring is fixedly connected to the support rod, a spring is fixedly connected to the lower surface of the convex ring, and one end of the spring away from the convex ring is fixedly connected to the upper surface of the positioning cylinder. After the calibration is completed, the drive motor is controlled to drive the drive wheel to rotate in the opposite direction, and then the installation tube is detached from the joint of the pressure gauge, and the spring pushes the convex ring, the support plate, the bracket and the pressure gauge upward to reset, and then the user can directly pull the pressure gauge out of the bracket.

[0011] Preferably, there are two support rods and two positioning cylinders, and the two support rods and two positioning cylinders are arranged in a mirror image.

[0012] Preferably, the longitudinal section of the support rod is L-shaped, and the corners of the support rod are rounded.

[0013] Preferably, two symmetrically arranged control rods are fixedly connected to the upper surface of the backing plate, and one end of the control rod is fixedly connected to a pull block.

[0014] Preferably, the temperature control component includes a guide hole, which is opened on the surface of the support plate, in which a heating wire is placed, and the inner wall of the guide hole is fixedly connected to a socket, in which the heating wire is installed. During the detection process, the heating wire can be energized to control the heat generated to heat the pressure gauge, simulate the operating environment, and improve the accuracy of the calibration results.

[0015] Preferably, the number of the card seats is six, and the six card seats are arranged at equal intervals.

[0016] Compared with the prior art, the advantages and positive effects of the present invention are: 1. In the present invention, before testing the pressure gauge, the tube on the pressure gauge is clamped into the clamping frame, and then the rear of the pressure gauge is fitted with the backing plate, and the joint of the pressure gauge is located below the clamping frame. After placing multiple pressure gauges, the pull block is pulled downward, and the pull block drives the backing plate, the clamping frame and the pressure gauge to move downward through the control rod. Then the joint of the pressure gauge is aligned with the mounting pipe, and the control motor is turned on. The control motor drives the transmission sleeve and the mounting pipe to rotate through the driving wheel and the driving belt. Then the joint of the pressure gauge is threadedly sleeved on the mounting pipe, and then the pull block is released. In this process, the pressure gauge drives the clamping frame, the backing plate, the support rod and the convex ring to move downward, and the spring is deformed by force. When the joint of the pressure gauge is aligned with the mounting pipe, the pressure gauge is aligned with the mounting pipe. After the connection is stable, turn off the drive motor, and then you can operate the body to perform the calibration operation. After the calibration is completed, control the drive motor to drive the drive wheel to rotate in the opposite direction, then the installation tube is separated from the joint of the pressure gauge, and the spring pushes the convex ring, the support plate, the bracket and the pressure gauge upward to reset. Then the user can directly pull the pressure gauge out of the bracket. During the detection process, the heating wire can be energized to control the heat generated to heat the pressure gauge, simulate the operating environment, and improve the accuracy of the calibration results. This solution effectively improves the connection structure of the pressure gauge, realizes semi-automatic installation and disassembly of the pressure gauge, reduces the workload of detection personnel, improves the detection efficiency of the equipment, and facilitates the normal use of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 The present invention provides a three-dimensional structural schematic diagram of a batch automatic calibration device for pressure gauges.

[0018] Figure 2The present invention proposes a pressure gauge batch automatic calibration device Figure 1 Schematic diagram of the structure at point A.

[0019] Figure 3 The present invention provides a rear view structural schematic diagram of a pressure gauge batch automatic calibration device.

[0020] Figure 4 The present invention proposes a pressure gauge batch automatic calibration device Figure 3 Schematic diagram of the structure at point B.

[0021] Figure 5 The present invention provides an exploded structural schematic diagram of a positioning device in a batch automatic calibration device for pressure gauges.

[0022] Figure 6 The present invention provides a structural schematic diagram of a temperature control component in a batch automatic calibration device for pressure gauges.

[0023] Legend: 1. Machine body; 2. Display screen; 3. Button; 4. Indicator light; 5. Control device; 51. Mounting seat; 52. Control motor; 53. Driving wheel; 54. Positioning seat; 55. Mounting tube; 56. Transmission sleeve; 57. Driving belt; 6. Positioning device; 61. Back plate; 62. Positioning cylinder; 63. Support rod; 64. Convex ring; 65. Spring; 66. Control rod; 67. Pull block; 68. Card holder; 7. Temperature control component; 71. Diversion hole; 72. Heating wire; 73. Card holder. DETAILED DESCRIPTION

[0024] See also Figure 1-Figure 6 The present invention provides a technical solution: a pressure gauge batch automatic calibration device, comprising a body 1, a display screen 2 is installed on the surface of the body 1, a button 3 is installed on the surface of the body 1, an indicator light 4 is installed on the surface of the body 1, a control device 5 is arranged on the surface of the body 1, the control device 5 comprises a positioning seat 54, the positioning seat 54 is fixedly connected to the upper surface of the body 1, a mounting tube 55 is rotatably connected to the upper surface of the positioning seat 54, a transmission sleeve 56 is fixedly connected to the mounting tube 55, a mounting seat 51 is fixedly connected to one side of the body 1, a control motor 52 is installed inside the mounting seat 51, a driving end of the control motor 52 is fixedly connected to a driving wheel 53, a driving belt 57 is sleeved on the driving wheel 53 and the transmission sleeve 56, and a positioning device 6 is arranged on the upper surface of the body 1. This solution effectively improves the connection structure of the pressure gauge, realizes the semi-automatic installation and disassembly of the pressure gauge, reduces the workload of the detection personnel, improves the detection efficiency of the equipment, and facilitates the normal use of the equipment.

[0025] Specifically, the number of the positioning seats 54 , the positioning seats 54 and the mounting tubes 55 are all multiple, and the multiple positioning seats 54 , the positioning seats 54 and the mounting tubes 55 are arranged at equal intervals.

[0026] Specifically, the driving wheel 53, the driving belt 57 and the transmission sleeve 56 are at the same level, which is convenient for normal use of the equipment.

[0027] In this embodiment: the positioning device 6 includes a support plate 61, the support plate 61 is located above the machine body 1, the upper surface of the machine body 1 is fixedly connected with a positioning tube 62, one side of the support plate 61 is fixedly connected with a support rod 63, one end of the support rod 63 slides with the inner wall of the positioning tube 62, the lower surface of the support plate 61 is fixedly connected with a bracket 68, and the interior of the support plate 61 is provided with a temperature control component 7. Before testing the pressure gauge, the tube on the pressure gauge is clamped into the bracket 68, and then the rear of the pressure gauge is fitted with the support plate 61, and the joint of the pressure gauge is located below the bracket 68. After placing multiple pressure gauges, pull the pull block 67 downward, and the pull block 68 is pulled. The supporting plate 61, the bracket 68 and the pressure gauge are driven to move downward by the control rod 66, and then the joint of the pressure gauge is aligned with the mounting tube 55, and the control motor 52 is turned on. The control motor 52 drives the transmission sleeve 56 and the mounting tube 55 to rotate through the driving wheel 53 and the driving belt 57, and then the joint of the pressure gauge is threadedly sleeved on the mounting tube 55, and then the pull block 67 is released. In this process, the pressure gauge drives the bracket 68, the supporting plate 61, the support rod 63 and the convex ring 64 to move downward, and the spring 65 is deformed by force. After the joint of the pressure gauge is stably connected to the mounting tube 55, the driving motor is turned off, and then the machine body 1 can be operated to perform the calibration operation.

[0028] Specifically, a convex ring 64 is fixedly connected to the support rod 63, and a spring 65 is fixedly connected to the lower surface of the convex ring 64. One end of the spring 65 away from the convex ring 64 is fixedly connected to the upper surface of the positioning tube 62. After the calibration is completed, the drive motor is controlled to drive the drive wheel 53 to rotate in the opposite direction, and then the installation tube 55 is separated from the joint of the pressure gauge. The spring 65 pushes the convex ring 64, the support plate 61, the bracket 68 and the pressure gauge upward to reset. Then the user can directly pull the pressure gauge out of the bracket 68.

[0029] Specifically, there are two support rods 63 and two positioning tubes 62 , and the two support rods 63 and the two positioning tubes 62 are arranged in a mirror image.

[0030] Specifically, the longitudinal section of the support rod 63 is L-shaped, and the corners of the support rod 63 are rounded.

[0031] Specifically, two symmetrically arranged control rods 66 are fixedly connected to the upper surface of the support plate 61 , and a pull block 67 is fixedly connected to one end of the control rod 66 .

[0032] In this embodiment: the temperature control component 7 includes a guide hole 71, the guide hole 71 is opened on the surface of the support plate 61, a heating wire 72 is placed in the guide hole 71, the inner wall of the guide hole 71 is fixedly connected with a holder 73, and the heating wire 72 is installed in the holder 73. During the detection process, the heating wire 72 can be energized to control the heat generated, heat the pressure gauge, simulate the operating environment, and improve the accuracy of the calibration result.

[0033] Specifically, the number of the card seats 73 is six, and the six card seats 73 are arranged at equal intervals.

[0034] Working principle: Before testing the pressure gauge, insert the tube on the pressure gauge into the bracket 68, then the rear of the pressure gauge fits with the support plate 61, and the joint of the pressure gauge is located below the bracket 68. After placing multiple pressure gauges, pull the pull block 67 downward, and the pull block 67 drives the support plate 61, the bracket 68 and the pressure gauge to move downward through the control rod 66. Then the joint of the pressure gauge is aligned with the mounting tube 55, and the control motor 52 is turned on. The control motor 52 drives the transmission sleeve 56 and the mounting tube 55 to rotate through the driving wheel 53 and the driving belt 57. Then the joint of the pressure gauge is threadedly sleeved on the mounting tube 55, and then the pull block 67 is released. In this process, the pressure gauge drives the bracket 68, the support plate 61, the support rod 63 and the convex ring 64 to move downward, and the spring 65 is deformed under force. After the joint of the pressure gauge is stably connected to the mounting tube 55, turn off the drive motor, and then operate the body 1 to perform the calibration operation. After the calibration is completed, control the drive motor to drive the drive wheel 53 to rotate in the opposite direction, and then the mounting tube 55 is separated from the joint of the pressure gauge. The spring 65 pushes the convex ring 64, the support plate 61, the bracket 68 and the pressure gauge upward to reset. Then the user can directly pull the pressure gauge out of the bracket 68. During the detection process, the heating wire 72 can be energized to control the heat generated to heat the pressure gauge, simulate the operating environment, and improve the accuracy of the calibration results. This solution effectively improves the connection structure of the pressure gauge, realizes semi-automatic installation and disassembly of the pressure gauge, reduces the workload of the detection personnel, improves the detection efficiency of the equipment, and facilitates the normal use of the equipment.

Claims

1. A pressure gauge batch automatic calibration device, comprising a body (1), a display screen (2) mounted on the surface of the body (1), a button (3) mounted on the surface of the body (1), and an indicator light (4) mounted on the surface of the body (1), characterized in that: A control device (5) is provided on the surface of the machine body (1), and the control device (5) comprises a positioning seat (54), the positioning seat (54) is fixedly connected to the upper surface of the machine body (1), a mounting tube (55) is rotatably connected to the upper surface of the positioning seat (54), a transmission sleeve (56) is fixedly connected to the mounting tube (55), a mounting seat (51) is fixedly connected to one side of the machine body (1), a control motor (52) is installed inside the mounting seat (51), a driving end of the control motor (52) is fixedly connected to a driving wheel (53), a driving belt (57) is sleeved on the driving wheel (53) and the transmission sleeve (56), and a positioning device (6) is provided on the upper surface of the machine body (1).

2. The pressure gauge batch automatic calibration device according to claim 1 is characterized by: The number of the positioning seats (54), positioning seats (54) and mounting tubes (55) is multiple, and the multiple positioning seats (54), positioning seats (54) and mounting tubes (55) are arranged at equal intervals.

3. The pressure gauge batch automatic calibration device according to claim 1 is characterized by: The driving wheel (53), the driving belt (57) and the transmission sleeve (56) are at the same level.

4. The pressure gauge batch automatic calibration device according to claim 1 is characterized in that: The positioning device (6) comprises a support plate (61), the support plate (61) is located above the machine body (1), a positioning tube (62) is fixedly connected to the upper surface of the machine body (1), a support rod (63) is fixedly connected to one side of the support plate (61), one end of the support rod (63) slides on the inner wall of the positioning tube (62), a bracket (68) is fixedly connected to the lower surface of the support plate (61), and a temperature control component (7) is arranged inside the support plate (61).

5. The pressure gauge batch automatic calibration device according to claim 4 is characterized in that: A convex ring (64) is fixedly connected to the support rod (63), a spring (65) is fixedly connected to the lower surface of the convex ring (64), and one end of the spring (65) away from the convex ring (64) is fixedly connected to the upper surface of the positioning cylinder (62).

6. The pressure gauge batch automatic calibration device according to claim 4 is characterized by: The number of the support rods (63) and the number of the positioning cylinders (62) are both two, and the two support rods (63) and the two positioning cylinders (62) are arranged in a mirror image.

7. The pressure gauge batch automatic calibration device according to claim 4 is characterized by: The longitudinal section of the support rod (63) is L-shaped, and the corners of the support rod (63) are rounded.

8. The pressure gauge batch automatic calibration device according to claim 4 is characterized by: Two symmetrically arranged control rods (66) are fixedly connected to the upper surface of the support plate (61), and one end of the control rod (66) is fixedly connected to a pull block (67).

9. The pressure gauge batch automatic calibration device according to claim 4, characterized in that: The temperature control component (7) comprises a guide hole (71), the guide hole (71) is opened on the surface of the support plate (61), a heating wire (72) is placed in the guide hole (71), a holder (73) is fixedly connected to the inner wall of the guide hole (71), and the heating wire (72) is installed in the holder (73).

10. The pressure gauge batch automatic calibration device according to claim 9, characterized in that: The number of the card seats (73) is six, and the six card seats (73) are arranged at equal intervals.

Images