Sealing performance testing device for electric actuator

Abstract

The utility model provides a sealing performance testing device for an electric actuator. The sealing performance testing device comprises a bottom plate, a vertical plate is fixedly connected to the top face of the bottom plate, a pressurizing assembly is installed on the top face of the vertical plate, an auxiliary detection mechanism is installed on one side of the vertical plate, an actuator shell is placed on the top face of the auxiliary detection mechanism, and a threaded connector is fixedly connected to the outer surface of the actuator shell. A water tank is fixedly connected to the top surface of the bottom plate and located below the auxiliary detection mechanism; the auxiliary detection mechanism comprises a convex block, one side of the vertical plate is fixedly connected with the convex block, the bottom surface of the convex block is fixedly connected with a lifting hydraulic rod, the output end of the lifting hydraulic rod is connected with a clamping and positioning assembly, and an actuator shell is placed on the top surface of the clamping and positioning assembly; a butt joint assembly is installed on the top face of the clamping and positioning assembly. According to the utility model, through the mutual cooperation of the pressurizing assembly, the auxiliary detection mechanism and the water tank, the sealing performance of the actuator housing can be detected.

Description

TECHNICAL FIELD

[0001] The utility model relates to actuator housing leakproofness test technical field, concretely relates to a kind of electric actuator sealing performance testing device. BACKGROUND

[0002] Actuator housing refers to a kind of drive device that can provide linear or rotary motion, it works using certain driving energy and under the action of certain control signal. Actuator uses liquid, gas, electricity or other energy and is converted into driving action by motor, air cylinder or other devices. Its basic types have partial rotation, multiple rotation and straight stroke three driving modes.

[0003] At present, when the sealing performance of the traditional actuator housing is detected, the output end of the pressurizing pump is connected with the actuator housing, the pressurizing pump is started after connection, the inside of the actuator housing is pressurized by the pressurizing pump, the actuator housing is placed in the water tank when pressurizing, whether there is water bubble, after being added to the specified pressure, the pressurizing pump is closed, and the valve is closed, so that the pressure in the actuator housing is kept to a certain value, after standing for a period of time, the internal pressure value is observed whether it changes, if no change, it represents qualified, if change, it represents unqualified.

[0004] Since, when the sealing performance of the actuator housing is detected, the operator needs to connect the external pressurizing equipment with the actuator housing first, after connection, it needs to be placed in the water tank for pressurizing detection, after detection, the operator needs to take it out and disconnect the pressurizing equipment, and all of them will need to be operated independently by the operator, which not only increases the labor of the operator, but also reduces the overall production efficiency. UTILITY MODEL CONTENTS

[0005] In view of the deficiencies of the prior art, the utility model provides an electric actuator sealing performance testing device, which solves the problems mentioned in the background art.

[0006] To achieve the above purpose, the utility model is realized by the following technical scheme:

[0007] The utility model provides an electric actuator sealing performance test device, including the bottom plate, the top surface fixed connection of bottom plate has the vertical board, the top surface mounting of vertical board has the pressure charging subassembly, one side mounting of vertical board has the auxiliary detection mechanism, the top surface of auxiliary detection mechanism places the actuator shell, the outer surface fixed connection of actuator shell has the threaded interface, the top surface of bottom plate and be located auxiliary detection mechanism below fixed connection has the water tank, the auxiliary detection mechanism includes the lug, one side fixed connection of vertical board has the lug respectively, the bottom surface fixed connection of lug has the lifting hydraulic pressure rod, the output end connection of lifting hydraulic pressure rod has the clamping positioning assembly, the top surface of clamping positioning assembly places the actuator shell, the top surface mounting of clamping positioning assembly has the docking subassembly, and the docking subassembly is connected with pressure charging subassembly.

[0008] Further, the clamping positioning assembly includes a supporting plate, the output end of the lifting hydraulic pressure rod is fixedly connected with the supporting plate, the middle part of the top surface of the supporting plate is provided with a T-shaped groove, the actuator shell is placed on the top surface of the supporting plate, and the limiting blocks are fixedly connected on the top surface of the supporting plate and located on both sides of the actuator shell.

[0009] Further, the clamping positioning assembly further includes a bidirectional threaded rod and a motor plate, the bidirectional threaded rod is rotatably connected in the T-shaped groove, the opposite clamping plates are threadedly connected at both ends of the outer surface of the bidirectional threaded rod, the motor plate is fixedly connected on one side of the supporting plate, the motor is fixedly connected on one side of the motor plate, and the output shaft end of the motor is rotatably connected with the bidirectional threaded rod through a worm gear.

[0010] Further, the docking subassembly includes a bent rod, the bent rod is fixedly connected on the top surface of the supporting plate, one end of the bent rod is fixedly connected with a sliding sleeve, the sliding sleeve is slidably connected with a sliding rod, the docking part is mounted on the bottom surface of the sliding rod, the auxiliary hydraulic pressure rod is fixedly connected on one side of the sliding sleeve, and one end of the auxiliary hydraulic pressure rod is connected with the docking part.

[0011] Further, the docking part includes a flat plate, the flat plate is fixedly connected with the output end of the auxiliary hydraulic pressure rod, the screwing motor is fixedly connected on the top surface of the flat plate, and the connecting threaded sleeve is rotatably connected with the output shaft end of the screwing motor through a worm gear.

[0012] Further, the pressure charging subassembly includes an air pump, the air pump is fixedly connected on the top surface of the vertical board, the output end of the air pump is fixedly connected with an air hose, one end of the air hose is fixedly connected with a docking pipe, the valve is mounted on the upper part of the inner cavity of the docking pipe, the air pressure gauge is fixedly connected on the outer surface of the docking pipe, and one end of the docking pipe is rotatably connected with the connecting threaded sleeve.

[0013] The utility model provides a kind of electric actuator sealing performance testing device.Compared with prior art, it has the following beneficial effects:

[0014] 1, by the connection of docking assembly and threaded interface, the pressurizing assembly and the actuator housing can be connected, after connection, in the case of one side stamping, so as to sink into the water tank by using lifting hydraulic rod, the sealing detection of the actuator housing can be realized;

[0015] 2, two groups of limit blocks can be used to limit the actuator housing, after limiting, the movement of two groups of opposite clamping plates can be driven by rotating bidirectional threaded rod, the clamping of the actuator housing is realized, which facilitates the connection of docking assembly and actuator housing in later stage;

[0016] 3, the connecting threaded sleeve is rotated by screwing motor, when the connecting threaded sleeve rotates, the pressurizing assembly and the actuator housing are connected under the action of auxiliary hydraulic rod, which facilitates the pressurization in the actuator housing in later stage, to observe whether there is leakage problem;

[0017] 4, the pressure value added is observed by barometer, after enough, the valve is closed, and the actuator housing is observed whether there is leakage problem after standing for a period of time. DRAWINGS

[0018] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or prior art, the drawings needed in the embodiment or prior art description will be briefly introduced as follows, obviously, the drawings in the following description are only some embodiments of the utility model, and those skilled in the art can obtain other drawings according to these drawings without creating creative labor.

[0019] Figure 1 The overall structure schematic diagram of the utility model is shown;

[0020] Figure 2 The overall structure schematic diagram of the utility model is shown;

[0021] Figure 3 The actuator housing structure schematic diagram of the utility model is shown;

[0022] Figure 4 The auxiliary detection assembly structure schematic diagram of the utility model is shown;

[0023] Figure 5 The docking assembly and pressurizing assembly structure schematic diagram of the utility model is shown;

[0024] As shown in the figure: 1, the bottom plate; 2, the vertical plate; 3, the pressure charging assembly; 31, the air pump; 32, the air hose; 33, the butt joint pipe; 34, the valve; 35, the air pressure gauge; 4, the auxiliary detection mechanism; 41, the protruding block; 42, the lifting hydraulic rod; 43, the clamping positioning assembly; 431, the supporting plate; 432, the T-shaped groove; 433, the limiting block; 434, the bidirectional threaded rod; 435, the motor plate; 436, the opposite clamping plate; 437, the motor; 44, the butt joint assembly; 441, the bent rod; 442, the sliding sleeve; 443, the sliding rod; 444, the auxiliary hydraulic rod; 445, the flat plate; 446, the screw motor; 447, the connecting threaded sleeve; 5, the actuator shell; 6, the threaded interface; 7, the water tank. DETAILED DESCRIPTION

[0025] In order to make the purpose, technical scheme and advantages of the embodiments of the present application more clear, the technical scheme in the embodiments of the present application is described clearly and completely. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0026] Embodiment one

[0027] In order to solve the technical problems in the background art, the following electric actuator sealing performance testing device is given:

[0028] In combination Figures 1-5 As shown in the figure, the electric actuator sealing performance testing device provided by the present application comprises a bottom plate 1. The top surface of the bottom plate 1 is fixedly connected with a vertical plate 2. The top surface of the vertical plate 2 is installed with a pressure charging assembly 3. One side of the vertical plate 2 is installed with an auxiliary detection mechanism 4. The top surface of the auxiliary detection mechanism 4 is placed with an actuator shell 5. The outer surface of the actuator shell 5 is fixedly connected with a threaded interface 6. The top surface of the bottom plate 1 and below the auxiliary detection mechanism 4 is fixedly connected with a water tank 7. The auxiliary detection mechanism 4 comprises protruding blocks 41. One side of the vertical plate 2 is respectively fixedly connected with the protruding blocks 41. The bottom surface of the protruding blocks 41 is fixedly connected with a lifting hydraulic rod 42. The output end of the lifting hydraulic rod 42 is connected with a clamping positioning assembly 43. The top surface of the clamping positioning assembly 43 is placed with the actuator shell 5. The top surface of the clamping positioning assembly 43 is installed with a butt joint assembly 44. The butt joint assembly 44 is connected with the pressure charging assembly 3.

[0029] Through the connection of the butt joint assembly 44 and the threaded interface 6, the pressure charging assembly 3 and the actuator shell 5 can be connected. After the connection, in the case of one side pressing, the lifting hydraulic rod 42 can be used to sink into the water tank 7, so that the sealing performance detection can be realized.

[0030] In this embodiment, the clamping and positioning assembly 43 includes a support plate 431. The output end of the lifting hydraulic rod 42 is fixedly connected to the support plate 431. A T-slot 432 is provided in the middle of the top surface of the support plate 431. An actuator housing 5 is placed on the top surface of the support plate 431. Limiting blocks 433 are fixedly connected to the top surface of the support plate 431 and on both sides of the actuator housing 5. The clamping and positioning assembly 43 also includes a bidirectional threaded rod 434 and a motor plate 435. The bidirectional threaded rod 434 is rotatably connected in the T-slot 432. Opposing clamping plates 436 are threaded to both ends of the outer surface of the bidirectional threaded rod 434. The motor plate 435 is fixedly connected to one side of the support plate 431. A motor 437 is fixedly connected to one side of the motor plate 435. The output shaft end of the motor 437 is rotatably connected to the bidirectional threaded rod 434 through a worm gear and worm wheel.

[0031] The actuator housing 5 can be initially limited by two sets of limiting blocks 433. After the limiting is achieved, the two sets of opposing clamping plates 436 can be moved by the rotation of the bidirectional threaded rod 434, thereby clamping the actuator housing 5 and facilitating the connection between the docking assembly 44 and the actuator housing 5 in the later stage.

[0032] Example 2

[0033] like Figures 1-5 As shown, based on the above embodiments, this embodiment further provides the following:

[0034] The docking assembly 44 includes a bent rod 441, which is fixedly connected to the top surface of the support plate 431. A sliding sleeve 442 is fixedly connected to one end of the bent rod 441. A sliding rod 443 is slidably connected inside the sliding sleeve 442. A docking component is mounted on the bottom surface of the sliding rod 443. An auxiliary hydraulic rod 444 is fixedly connected to one side of the sliding sleeve 442, and one end of the auxiliary hydraulic rod 444 is connected to the docking component. The docking component includes a flat plate 445, which is fixedly connected to the output end of the auxiliary hydraulic rod 444. A rotary motor 446 is fixedly connected to the top surface of the flat plate 445. The output shaft end of the rotary motor 446 is rotatably connected to a threaded sleeve 447 via a worm gear and worm wheel.

[0035] The connecting threaded sleeve 447 is rotated by the screw motor 446. When the connecting threaded sleeve 447 rotates, the pressurization component 3 is connected to the actuator housing 5 under the action of the auxiliary hydraulic rod 444. This facilitates the later pressurization of the actuator housing 5 to observe whether there is a leakage problem.

[0036] Example 3

[0037] like Figures 1-5 As shown, based on the above embodiments, this embodiment further provides the following:

[0038] The pressurizing assembly 3 comprises an air pump 31, the top surface of the vertical plate 2 is fixedly connected with the air pump 31, the output end of the air pump 31 is fixedly connected with an air hose 32, one end of the air hose 32 is fixedly connected with a butt joint pipe 33, the upper portion of the inner cavity of the butt joint pipe 33 is provided with a valve 34, the outer surface of the butt joint pipe 33 is fixedly connected with an air pressure gauge 35, and one end of the butt joint pipe 33 is rotationally connected with a connecting threaded sleeve 447.

[0039] The pressure value added is observed through the air pressure gauge 35, and when the pressure value is sufficient, the valve 34 is closed, and the problem of whether there is leakage of the actuator shell 5 is observed after standing for a period of time.

[0040] The working principle and use process of the utility model are as follows:

[0041] In the use state:

[0042] The actuator shell adopts an ST05-500 type actuator shell.

[0043] When in use, first, the actuator shell 5 to be detected is placed on the supporting plate 431, and when being placed, the actuator shell 5 needs to be placed between the two limiting blocks 433, after being placed, the motor 437 is started, when the motor 437 works, the bidirectional threaded rod 434 is driven to rotate, when the bidirectional threaded rod 434 rotates, the two sets of opposite clamping plates 436 are driven to move oppositely, when the two sets of opposite clamping plates 436 oppositely move, the actuator shell 5 is clamped and fixed, after being clamped, the auxiliary hydraulic rod 444 and the screwing motor 446 are started, when the screwing motor 446 works, the connecting threaded sleeve 447 is driven to rotate, when the connecting threaded sleeve 447 rotates, the auxiliary hydraulic rod 444 at this time is driven to move downward, when the connecting threaded sleeve 447 moves downward, the threaded connection with the threaded interface 6 is achieved, when the two are connected, the auxiliary hydraulic rod 444 and the screwing motor 446 at this time stop working, at the same time, the air pump 31 starts to work, when the air pump 31 starts to work, the actuator shell 5 is pressurized, in the process of pressurization, the lifting hydraulic rod 42 at this time drives the clamping and positioning assembly 43, the butt joint assembly 44 and the actuator shell 5 to move downward as a whole, so that the actuator shell 5 sinks into the water tank 7, at this time, the staff observes whether the air pressure gauge 35 reaches the specified air pressure, if yes, the valve 34 is closed, at this time, the actuator shell 5 is not injected with air pressure, so that it is internally static for a period of time, then, whether the air pressure in the actuator shell 5 leaks is observed, if no, it represents that it is qualified, if yes, whether there is water bubble generated in the water tank 7 is observed, if yes, the problem of where the leakage is can be observed.

[0044] It is to be noted that the relational terms herein, such as first and second, and the like, are used solely to distinguish one from another entity or action without necessarily requiring or implying any actual relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can also include other elements not expressly listed or inherent to such process, method, article, or apparatus. An element proceeded by "comprises... a" does not, without more constraints, exclude the existence of additional identical elements in the process, method, article, or apparatus that comprises the element.

[0045] The above embodiments are only used to illustrate the technical solutions of the present application, but not limit the present application; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that the technical solutions recorded in the foregoing embodiments can be modified, or some technical features can be replaced by equivalent ones; and these modifications or replacements do not make the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. An electric actuator seal performance testing apparatus, characterized by: Including the bottom plate (1); The top surface of the bottom plate (1) is fixedly connected with the vertical plate (2), the top surface of the vertical plate (2) is mounted with the pressure charging assembly (3), one side of the vertical plate (2) is mounted with the auxiliary detection mechanism (4), the top surface of the auxiliary detection mechanism (4) is placed with the actuator shell (5), the outer surface of the actuator shell (5) is fixedly connected with the threaded interface (6), and the top surface of the bottom plate (1) and below the auxiliary detection mechanism (4) is fixedly connected with the water tank (7); The auxiliary detection mechanism (4) includes the lug (41), one side of the vertical plate (2) is fixedly connected with the lug (41), the bottom surface of the lug (41) is fixedly connected with the lifting hydraulic rod (42), the output end of the lifting hydraulic rod (42) is connected with the clamping positioning assembly (43), the top surface of the clamping positioning assembly (43) is placed with the actuator shell (5), and the top surface of the clamping positioning assembly (43) is mounted with the docking assembly (44), which is connected with the pressure charging assembly (3).

2. The electric actuator seal performance testing device of claim 1, wherein: The clamping positioning assembly (43) includes the supporting plate (431), the output end of the lifting hydraulic rod (42) is fixedly connected with the supporting plate (431), the top surface of the supporting plate (431) is provided with the T-shaped groove (432), the top surface of the supporting plate (431) is placed with the actuator shell (5), and the top surface of the supporting plate (431) and on both sides of the actuator shell (5) are fixedly connected with the limiting block (433).

3. The electric actuator seal performance testing apparatus of claim 2, wherein: The clamping positioning assembly (43) further includes the bidirectional threaded rod (434) and the motor plate (435), the T-shaped groove (432) is rotatably connected with the bidirectional threaded rod (434), the outer surface of the bidirectional threaded rod (434) is threadedly connected with the opposite clamping plate (436) at both ends, one side of the supporting plate (431) is fixedly connected with the motor plate (435), one side of the motor plate (435) is fixedly connected with the motor (437), and the output shaft end of the motor (437) is rotatably connected with the bidirectional threaded rod (434) through the worm and the worm gear.

4. The electric actuator seal performance testing apparatus of claim 3, wherein: The docking assembly (44) includes the bent rod (441), the top surface of the supporting plate (431) is fixedly connected with the bent rod (441), one end of the bent rod (441) is fixedly connected with the sliding sleeve (442), the sliding sleeve (442) is slidably connected with the sliding rod (443), the bottom surface of the sliding rod (443) is mounted with the docking part, one side of the sliding sleeve (442) is fixedly connected with the auxiliary hydraulic rod (444), and one end of the auxiliary hydraulic rod (444) is connected with the docking part.

5. The electric actuator seal performance testing apparatus of claim 4, wherein: The docking part includes the flat plate (445), the output end of the auxiliary hydraulic rod (444) is fixedly connected with the flat plate (445), the top surface of the flat plate (445) is fixedly connected with the screw motor (446), and the output shaft end of the screw motor (446) is rotatably connected with the connecting threaded sleeve (447) through the worm and the worm gear.

6. The electric actuator seal performance testing apparatus of claim 5, wherein: The pressurizing assembly (3) comprises an air pump (31), the top surface of the vertical plate (2) is fixedly connected with the air pump (31), the output end of the air pump (31) is fixedly connected with an air hose (32), one end of the air hose (32) is fixedly connected with a butt joint pipe (33), the upper portion of the inner cavity of the butt joint pipe (33) is installed with a valve (34), the outer surface of the butt joint pipe (33) is fixedly connected with an air pressure gauge (35), and one end of the butt joint pipe (33) is rotatably connected with a connecting threaded sleeve (447).

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