Rapid weight adding mechanism applied to manual absolute pressure gas piston type pressure gauge

Abstract

The utility model discloses a quick weight adding mechanism applied to a manual absolute pressure gas piston type pressure gauge, which comprises a protection unit and a control unit, a weight grabbing unit is fixedly connected to the top of the protection unit, and the control unit is connected with the weight grabbing unit through a lead. According to the rapid weight adding mechanism applied to the manual absolute pressure gas piston type pressure gauge, the problem that the existing pressure gauge cannot realize rapid gauge detection is solved, weight loading can be completed without opening a vacuum cover, one-time weight loading only needs 30s and 2min to complete one-time pressure point detection, one absolute pressure gauge only needs 20min to be detected, and the detection efficiency is greatly improved. The absolute pressure working efficiency is equal to the gauge pressure working efficiency.

Description

TECHNICAL FIELD

[0001] The utility model belongs to pressure measurement technical field, concretely relates to the quick code loading mechanism for manual absolute pressure gas piston type pressure gauge. BACKGROUND

[0002] Pressure measurement is applied to pressure measurement room, laboratory, each link of production or scientific experiment, and pressure measurement is very important in aerospace industry, and many key flight parameters such as height and airspeed rely on pressure test.Statistics shows that the test related to pressure accounts for 60% in all aircraft parameter test, and in nuclear industry and military industry, many important fields also rely on pressure measurement.

[0003] Conventional absolute pressure gas piston type pressure gauge needs to open vacuum cover after measuring a point, needs to pass atmosphere in vacuum cover, and usually, it needs 3-4 hours to detect a table, which seriously influences work efficiency, and the utility model does not need to open vacuum cover frequently to load weight, and weight loading can be completed by operating outside main machine by quick code loading mechanism.

[0004] The existing manual absolute pressure piston needs to open vacuum cover frequently during measurement because of weight loading, which needs to release the target vacuum pressure extracted last time, and it needs 10-15 minutes to extract vacuum to 5Pa once, so when manual absolute pressure piston completes measurement, it takes a long time, and the work efficiency is low. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing quick code loading mechanism for manual absolute pressure gas piston type pressure gauge, and solves the problem that the existing pressure gauge cannot realize quick table detection.

[0006] The utility model adopts the technical scheme that quick code loading mechanism for manual absolute pressure gas piston type pressure gauge, including protection unit, the top of protection unit is fixedly connected with code grabbing unit, still including control unit, and control unit is connected with code grabbing unit through wire.

[0007] The utility model has the characteristics that:

[0008] Protection unit includes vacuum cover, and the top of vacuum cover is fixedly connected with vacuum cover, and the top of vacuum cover is provided with vacuum cover fixing hole.

[0009] Code grabbing unit includes driving unit and grabbing unit, and driving unit is fixedly connected with grabbing unit.

[0010] The driving unit comprises a motor fixing disc, the motor fixing disc is fixedly connected to the top of the vacuum cover, a motor fixing disc through hole corresponding to the vacuum cover fixing hole is formed in the middle of the motor fixing disc, an electric push rod is fixedly connected to the top of the motor fixing disc, the output shaft of the electric push rod penetrates through the motor fixing disc through hole and the vacuum cover fixing hole, the output shaft of the electric push rod extends into the vacuum cover, the output shaft of the electric push rod is fixedly connected to the grabbing unit, and a sealing ring is arranged between the motor fixing disc and the output shaft of the electric push rod.

[0011] The grabbing unit comprises a plurality of grabbing arms, the grabbing arms are fixedly connected to a fixing disc at one end, the fixing disc is fixedly connected to the output shaft of the electric push rod at the other end, an electromagnet fixing block is fixedly connected to the other end of each grabbing arm, and an electromagnetic lock is fixedly connected to each electromagnet fixing block.

[0012] The control unit comprises a control mainboard, the control mainboard is connected to the electromagnetic locks and the electric push rod through wires, and the control mainboard is provided with an ascending button, a descending button and a telescopic button.

[0013] The motor fixing disc is fixedly connected to the top of the vacuum cover through a plurality of screws.

[0014] The electric push rod is fixedly connected to the top of the motor fixing disc through a plurality of screws, and the fixing disc is fixedly connected to the output shaft of the electric push rod through a plurality of screws.

[0015] The grabbing arms are fixedly connected to the electromagnet fixing blocks through a plurality of screws.

[0016] The bottom of the vacuum cover is fixedly connected with a guide column, a guide column through hole is formed in the fixing disc, the guide column penetrates through the guide column through hole, and the fixing disc and the guide column are slidably connected in the guide column through hole.

[0017] The utility model discloses a beneficial effect is:

[0018] The utility model provides a quick code adding mechanism for manual absolute pressure gas piston type pressure gauge, can complete weight loading without opening vacuum cover, and one weight loading only needs 30s, and 2min can complete the detection of one pressure point, and the detection of one absolute pressure gauge only needs 20min, and the absolute pressure working efficiency is equivalent to the gauge pressure working efficiency, the structure is simple, the layout is compact, the volume does not change with the original manual code adding volume, and the vacuum extraction time will not be affected because of the quick code adding mechanism. DRAWINGS

[0019] Figure 1 It is the structure schematic diagram of the quick code adding mechanism for manual absolute pressure gas piston type pressure gauge of the utility model.

[0020] In the figure, 1. vacuum cover, 2. electromagnetic lock, 3. electromagnet fixing block, 4. code grabbing arm, 5. vacuum cover, 6. weight, 7. guide column, 8. fixing disc, 9. sealing ring, 10. electric push rod, 11. motor fixing disc, 12. control mainboard, 13. up button, 14. down button, 15. telescopic button. DETAILED DESCRIPTION

[0021] The utility model will be described in detail below in combination with the drawings and specific embodiments.

[0022] The quick weight adding mechanism applied to the manual absolute pressure gas piston type pressure gauge comprises a base, a vacuum cover, an electromagnetic lock, an electromagnet fixing block, a code grabbing arm, a vacuum cover, a weight, a guide column, a fixing disc, a sealing ring, an electric push rod, a motor fixing disc, a control mainboard, an up button, a down button and a telescopic button. Figure 1As shown, the device comprises a protection unit, a code grabbing unit is fixed to the top of the protection unit, and a control unit is connected with the code grabbing unit through wires; the protection unit comprises a vacuum cover 1, a vacuum cover 5 is fixed to the top of the vacuum cover 1, and a vacuum cover fixing hole is formed in the top of the vacuum cover 5; the code grabbing unit comprises a driving unit and a grabbing unit, and the driving unit is fixed with the grabbing unit; the driving unit comprises a motor fixing disc 11, the motor fixing disc 11 is fixed to the top of the vacuum cover 5, a motor fixing disc through hole corresponding to the vacuum cover fixing hole is formed in the middle of the motor fixing disc 11, an electric push rod 10 is fixed to the top of the motor fixing disc 11, the output shaft of the electric push rod 10 penetrates through the motor fixing disc through hole and the vacuum cover fixing hole, the output shaft of the electric push rod 10 extends into the vacuum cover 1, the output shaft of the electric push rod 10 is fixed with the grabbing unit, a sealing ring 9 with a model of φ20*2.65 is arranged between the motor fixing disc 11 and the output shaft of the electric push rod 10, so that sealing is facilitated; the grabbing unit comprises a plurality of code grabbing arms 4, the code grabbing arms 4 are fixed with a fixing disc 8 at one end, the fixing disc 8 is fixed to the output shaft of the electric push rod 10, the code grabbing arms 4 are fixed with an electromagnet fixing block 3 at the other end, the electromagnet fixing block 3 is fixed with an electromagnetic lock 2, and the electromagnetic lock 2 is used for absorbing a weight 6; the control unit comprises a control mainboard 12, the electromagnetic lock 2 and the electric push rod 10 are controlled by a 12V voltage, the control mainboard 12 is connected with the electromagnetic lock 2 and the electric push rod 10 through wires with a size of 1.5 square, and the control mainboard 12 is provided with an ascending button 13, a descending button 14 and an extension button 15, so that the electric push rod 10 and the electromagnetic lock 2 can be controlled through the ascending button 13, the descending button 14 and the extension button 15; the motor fixing disc 11 is fixed to the top of the vacuum cover 5 through a plurality of M5 screws; the electric push rod 10 is fixed to the top of the motor fixing disc 11 through a plurality of screws, the fixing disc 8 is fixed to the output shaft of the electric push rod 10 through a plurality of M5 screws; the code grabbing arms 4 are fixed with the electromagnet fixing block 3 through a plurality of M4 screws, and the electromagnet fixing block 3 is fixed with the electromagnetic lock 2 through a plurality of M4 screws; the vacuum cover 5 is fixed with a guide column 7 at the bottom, a guide column through hole is formed in the fixing disc 8, the guide column 7 penetrates through the guide column through hole, the fixing disc 8 and the guide column 7 are slidably connected in the guide column through hole, so that the guide column 7 is guided, the grabbing unit only moves in the vertical direction, and horizontal movement is avoided.

[0023] The working principle of the quick code adding mechanism applied to the manual absolute pressure gas piston type pressure gauge is as follows: the weights are configured according to the needs of detection points, for example, the range of the gauge is (10~300) kPa, the first point 10 kPa is detected, the descending button 14 is clicked, at this time, the code grabbing arms 4 move downwards, the descending button 14 is released when the code grabbing arms 4 reach the lowermost weight, the extension button 15 is clicked to make the electromagnetic lock 2 in the extended state, the ascending button 13 is clicked to stop at about 10mm~15mm, and at this time, one time of code adding is completed.

[0024] Second point detection: click the drop button 14 after the weight is dropped, release, so that all the weights are placed on the pressure gauge, click the telescopic button 15 to make the electromagnetic lock 2 in the retracted state, click the up button 13 to the second weight, release the button, click the telescopic button 15 to make the electromagnetic lock 2 in the extended state, click the up button 13 to stop at about 10mm~15mm, at this time the second time is completed, repeat the operation, and the subsequent point weight loading is completed.

[0025] Embodiment 1

[0026] The quick weight adding mechanism applied to the manual absolute pressure gas piston type pressure gauge provided in the embodiment comprises a protection unit, a grabbing weight unit is fixedly connected to the top of the protection unit, and a control unit is further connected. Figure 1 The quick weight adding mechanism applied to the manual absolute pressure gas piston type pressure gauge provided in the embodiment comprises a protection unit, a grabbing weight unit is fixedly connected to the top of the protection unit, and a control unit is further connected.

[0027] Embodiment 2

[0028] The quick weight adding mechanism applied to the manual absolute pressure gas piston type pressure gauge provided in the embodiment comprises a protection unit, a grabbing weight unit is fixedly connected to the top of the protection unit, and a control unit is further connected. Figure 1 The quick weight adding mechanism applied to the manual absolute pressure gas piston type pressure gauge provided in the embodiment comprises a protection unit, a grabbing weight unit is fixedly connected to the top of the protection unit, and a control unit is further connected.

[0029] Embodiment 3

[0030] The quick weight adding mechanism applied to the manual absolute pressure gas piston type pressure gauge provided in the embodiment comprises a protection unit, a grabbing weight unit is fixedly connected to the top of the protection unit, and a control unit is further connected. Figure 1 The quick weight adding mechanism applied to the manual absolute pressure gas piston type pressure gauge provided in the embodiment comprises a protection unit, a grabbing weight unit is fixedly connected to the top of the protection unit, and a control unit is further connected.

[0031] Embodiment 4

[0032] The quick weight adding mechanism applied to the manual absolute pressure gas piston type pressure gauge provided in the embodiment comprises a protection unit, a grabbing weight unit is fixedly connected to the top of the protection unit, and a control unit is further connected. Figure 1As shown, the device includes a protective unit, a code-grabbing unit fixedly connected to the top of the protective unit, and a control unit connected to the code-grabbing unit via wires. The protective unit includes a vacuum cover 1, a vacuum cover 5 fixedly connected to the top of the vacuum cover 1, and a vacuum cover fixing hole on the top of the vacuum cover 5. The code-grabbing unit includes a drive unit and a gripping unit, which are fixedly connected. The drive unit includes a motor mounting plate 11, which is fixedly connected to the top of the vacuum cover 5. The motor mounting plate 11 has a through hole in the middle corresponding to the vacuum cover fixing hole, and an electric push rod 10 fixedly connected to the top of the motor mounting plate 11. The output shaft of the electric actuator 10 passes through the through hole of the motor mounting plate and the fixing hole of the vacuum cover. The output shaft of the electric actuator 10 extends into the vacuum cover 1. The end of the output shaft of the electric actuator 10 is fixedly connected to the gripping unit. A sealing ring 9 is provided between the motor mounting plate 11 and the output shaft of the electric actuator 10. The gripping unit includes several gripping arms 4. One end of the gripping arms 4 is fixedly connected to a mounting plate 8. The mounting plate 8 is fixedly connected to the end of the output shaft of the electric actuator 10. The other end of the gripping arms 4 is fixedly connected to an electromagnet fixing block 3. The electromagnet fixing blocks 3 are all fixedly connected to an electromagnetic lock 2. The electromagnetic locks 2 collectively attract a weight 6.

[0033] Example 5

[0034] The rapid acceleration mechanism proposed in this embodiment is applied to a manual absolute pressure gas piston pressure gauge, such as... Figure 1 As shown, the device includes a protective unit, a code-grabbing unit fixedly connected to the top of the protective unit, and a control unit connected to the code-grabbing unit via wires. The protective unit includes a vacuum cover 1, a vacuum cover 5 fixedly connected to the top of the vacuum cover 1, and a vacuum cover fixing hole on the top of the vacuum cover 5. The code-grabbing unit includes a drive unit and a gripping unit, which are fixedly connected. The drive unit includes a motor mounting plate 11, which is fixedly connected to the top of the vacuum cover 5. A through hole corresponding to the vacuum cover fixing hole is opened in the middle of the motor mounting plate 11. An electric push rod 10 is fixedly connected to the top of the motor mounting plate 11. The output shaft of the electric push rod 10 passes through the through hole of the motor mounting plate and the vacuum cover fixing hole. The output of the electric push rod 10... The shaft extends into the vacuum chamber 1. The output shaft end of the electric push rod 10 is fixedly connected to the gripping unit. A sealing ring 9 is provided between the motor fixing plate 11 and the output shaft of the electric push rod 10. The gripping unit includes several gripping arms 4. One end of the gripping arms 4 is fixedly connected to a fixing plate 8. The fixing plate 8 is fixedly connected to the output shaft end of the electric push rod 10. The other end of the gripping arms 4 is fixedly connected to an electromagnet fixing block 3. The electromagnet fixing blocks 3 are fixedly connected to an electromagnetic lock 2. The electromagnetic locks 2 attract a weight 6. The control unit includes a control main board 12. The control main board 12 is connected to the electromagnetic lock 2 and the electric push rod 10 through wires. The control main board 12 is provided with an up button 13, a down button 14 and a telescopic button 15.

[0035] Example 6

[0036] The quick code adding mechanism applied to the manual absolute gas piston pressure gauge provided by the embodiment comprises a protection unit, a code grabbing unit is fixed on the top of the protection unit, and a control unit is further included, and the control unit is connected with the code grabbing unit through wires. Figure 1 As shown in the figure, the protection unit comprises a vacuum cover 1, a vacuum cover 5 is fixed on the top of the vacuum cover 1, and a vacuum cover fixing hole is formed in the top of the vacuum cover 5; the code grabbing unit comprises a driving unit and a grabbing unit, and the driving unit is fixed with the grabbing unit; the driving unit comprises a motor fixing disc 11, the motor fixing disc 11 is fixed on the top of the vacuum cover 5, a motor fixing disc through hole corresponding to the vacuum cover fixing hole is formed in the middle of the motor fixing disc 11, an electric push rod 10 is fixed on the top of the motor fixing disc 11, the output shaft of the electric push rod 10 passes through the motor fixing disc through hole and the vacuum cover fixing hole, the output shaft of the electric push rod 10 extends into the vacuum cover 1, the output shaft of the electric push rod 10 is fixed with the grabbing unit, and a sealing ring 9 is arranged between the motor fixing disc 11 and the output shaft of the electric push rod 10; the grabbing unit comprises a plurality of code grabbing arms 4, a fixed disc 8 is fixed on one end of the plurality of code grabbing arms 4, the fixed disc 8 is fixed on the output shaft of the electric push rod 10, an electromagnet fixing block 3 is fixed on the other end of each code grabbing arm 4, an electromagnetic lock 2 is fixed on each electromagnet fixing block 3, and a plurality of electromagnetic locks 2 commonly adsorb a weight 6; the control unit comprises a control mainboard 12, the control mainboard 12 is connected with the electromagnetic lock 2 and the electric push rod 10 through wires respectively, and the control mainboard 12 is provided with an ascending button 13, a descending button 14 and an extension button 15; the motor fixing disc 11 is fixed on the top of the vacuum cover 5 through a plurality of screws.

[0037] Embodiment 7

[0038] The quick code adding mechanism applied to the manual absolute gas piston pressure gauge provided by the embodiment comprises a protection unit, a code grabbing unit is fixed on the top of the protection unit, and a control unit is further included, and the control unit is connected with the code grabbing unit through wires. Figure 1As shown, including the protection unit, the protection unit top fixed connection has grab code unit, also includes control unit, control unit through the wire and grab code unit connection; Protection unit includes vacuum cover 1, vacuum cover 1 top fixed connection has vacuum cover 5, vacuum cover 5 top open has vacuum cover fixed hole; Grab code unit includes driving unit and grab unit, driving unit and grab unit fixed connection; Driving unit includes motor fixed disc 11, motor fixed disc 11 is fixedly connected to the top of vacuum cover 5, motor fixed disc 11 middle open has motor fixed disc through hole corresponding with vacuum cover fixed hole, motor fixed disc 11 top fixed connection has electric push rod 10, the output shaft of electric push rod 10 passes through motor fixed disc through hole and vacuum cover fixed hole, the output shaft of electric push rod 10 extends into vacuum cover 1, the output shaft of electric push rod 10 end and grab unit fixed connection, motor fixed disc 11 and the output shaft of electric push rod 10 between the sealing ring 9 is equipped with; Grab unit includes a plurality of grab arm 4, a plurality of grab arm 4 one end common fixed connection has fixed disc 8, fixed disc 8 is fixedly connected to the output shaft end of electric push rod 10, a plurality of grab arm 4 the other end are all fixedly connected with electromagnet fixed block 3, a plurality of electromagnet fixed block 3 are all fixedly connected with electromagnetic lock 2, a plurality of electromagnetic lock 2 common adsorption has weight 6; Control unit includes control mainboard 12, control mainboard 12 is connected with electromagnetic lock 2 and electric push rod 10 through wire respectively, control mainboard 12 is equipped with rising button 13, falling button 14 and telescopic button 15; Motor fixed disc 11 is fixedly connected to the top of vacuum cover 5 through a plurality of screws; Electric push rod 10 is fixedly connected to the top of motor fixed disc 11 through a plurality of screws, fixed disc 8 is fixedly connected to the output shaft end of electric push rod 10 through a plurality of screws; Grab arm 4 is fixedly connected with electromagnet fixed block 3 through a plurality of screws.

[0039] Example 8

[0040] The application of the quick code adding mechanism applied to the manual absolute pressure gas piston pressure gauge is provided in this embodiment, such as Figure 1As shown, including the protection unit, the protection unit top fixed code grabbing unit, also including control unit, control unit through wire and code grabbing unit are connected; The protection unit includes vacuum cover 1, vacuum cover 1 top fixed vacuum cover 5, vacuum cover 5 top is provided with vacuum cover fixed hole; Code grabbing unit includes driving unit and grabbing unit, driving unit and grabbing unit are fixedly connected; Driving unit includes motor fixed disc 11, motor fixed disc 11 is fixedly connected to the top of vacuum cover 5, motor fixed disc 11 middle is provided with motor fixed disc through hole corresponding to vacuum cover fixed hole, motor fixed disc 11 top is fixedly connected with electric push rod 10, the output shaft of electric push rod 10 passes through motor fixed disc through hole and vacuum cover fixed hole, the output shaft of electric push rod 10 extends into vacuum cover 1, the output shaft of electric push rod 10 is fixedly connected with grabbing unit, sealing ring 9 is arranged between motor fixed disc 11 and the output shaft of electric push rod 10; Grabbing unit includes a plurality of code grabbing arms 4, a plurality of code grabbing arms 4 one end is fixedly connected with fixed disc 8, fixed disc 8 is fixedly connected to the output shaft end of electric push rod 10, a plurality of code grabbing arms 4 the other end is fixedly connected with electromagnet fixed block 3, a plurality of electromagnet fixed block 3 are fixedly connected with electromagnetic lock 2, a plurality of electromagnetic lock 2 commonly adsorb weight 6; Control unit includes control mainboard 12, control mainboard 12 is connected with electromagnetic lock 2 and electric push rod 10 through wire respectively, control mainboard 12 is equipped with rising button 13, falling button 14 and telescopic button 15; Motor fixed disc 11 is fixedly connected to the top of vacuum cover 5 through a plurality of screws; Electric push rod 10 is fixedly connected to the top of motor fixed disc 11 through a plurality of screws, fixed disc 8 is fixedly connected to the output shaft end of electric push rod 10 through a plurality of screws; Code grabbing arm 4 is fixedly connected with electromagnet fixed block 3 through a plurality of screws; Vacuum cover 5 bottom is fixedly connected with guide column 7, fixed disc 8 is provided with guide column through hole, guide column 7 passes through guide column through hole, fixed disc 8 and guide column 7 are connected in the guide column through hole.

Claims

1. A quick scale mechanism for a manual gage gas piston pressure gauge, characterized in that, Including the protection unit, the protection unit top fixedly connected with the code grabbing unit, also including the control unit, the control unit is connected with the code grabbing unit through the wire; The protection unit includes a vacuum cover (1), a vacuum cover (5) is fixedly connected to the top of the vacuum cover (1), and a vacuum cover fixing hole is formed in the top of the vacuum cover (5); The code grabbing unit includes a driving unit and a grabbing unit, and the driving unit is fixedly connected with the grabbing unit; The driving unit includes a motor fixing disc (11), the motor fixing disc (11) is fixedly connected to the top of the vacuum cover (5), a motor fixing disc through hole corresponding to the vacuum cover fixing hole is formed in the middle of the motor fixing disc (11), an electric push rod (10) is fixedly connected to the top of the motor fixing disc (11), the output shaft of the electric push rod (10) passes through the motor fixing disc through hole and the vacuum cover fixing hole, the output shaft of the electric push rod (10) extends into the vacuum cover (1), the output shaft of the electric push rod (10) is fixedly connected with the grabbing unit, and a sealing ring (9) is arranged between the motor fixing disc (11) and the output shaft of the electric push rod (10).

2. The quick scaling mechanism for a manual gage pressure gas piston gauge according to claim 1, wherein, The grabbing unit includes a plurality of code grabbing arms (4), a plurality of code grabbing arms (4) are fixedly connected with a fixing disc (8) at one end, the fixing disc (8) is fixedly connected to the output shaft of the push rod (10), a plurality of code grabbing arms (4) are fixedly connected with an electromagnet fixing block (3) at the other end, a plurality of electromagnet fixing blocks (3) are fixedly connected with an electromagnetic lock (2), and a plurality of electromagnetic locks (2) commonly adsorb a weight (6).

3. The quick range mechanism for a manual gage pressure gas piston gauge according to claim 2, wherein, The control unit includes a control mainboard (12), the control mainboard (12) is connected with the electromagnetic lock (2) and the electric push rod (10) through wires respectively, and the control mainboard (12) is provided with an ascending button (13), a descending button (14) and a telescopic button (15).

4. The quick scaling mechanism for a manual gage pressure gas piston gauge of claim 1, wherein, The motor fixing disc (11) is fixedly connected to the top of the vacuum cover (5) through a plurality of screws.

5. The quick scaling mechanism for a manual gage pressure gas piston gauge of claim 1, wherein, The electric push rod (10) is fixedly connected to the top of the motor fixing disc (11) through a plurality of screws, and the fixing disc (8) is fixedly connected to the output shaft of the push rod (10) through a plurality of screws.

6. The quick scaling mechanism for a manual gage pressure gas piston gauge of claim 2, wherein, The code grabbing arm (4) is fixedly connected with the electromagnet fixing block (3) through a plurality of screws.

7. The quick scaling mechanism for a manual gage pressure gas piston gauge of claim 1, wherein, The vacuum cover (5) is fixedly connected with a guide column (7) at the bottom, a guide column through hole is formed in the fixing disc (8), the guide column (7) passes through the guide column through hole, and the fixing disc (8) and the guide column (7) are slidably connected in the guide column through hole.

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