CN216483753U

CN216483753U - Thread bush leakproofness check out test set

Info

Publication number: CN216483753U
Application number: CN202123031586.2U
Authority: CN
Inventors: 林君泓; 乐旭丹; 罗露; 陈科余; 黄树舟
Original assignee: Zhoushan Zhengyuan Standard Parts Co ltd
Current assignee: Zhoushan Zhengyuan Standard Parts Co ltd
Priority date: 2021-12-03
Filing date: 2021-12-03
Publication date: 2022-05-10
Anticipated expiration: 2031-12-03

Abstract

The utility model discloses a thread bush leakproofness check out test set, characteristics are including testing platform, the last at least a set of detection mechanism that is provided with of testing platform, detection mechanism includes the positioning seat, detect pressure head and air feeder, the up end of positioning seat has the positioning cavity that is used for fixing a position the thread bush of undercut, the intussuseption of positioning cavity is filled with liquid, can be provided with the detection pressure head from top to bottom movably directly over the positioning seat, the lower terminal surface that detects the pressure head has the detection cavity of undercut, the air feed interface that is linked together with the detection cavity has on the detection pressure head, the air feed interface with air feeder between through an air supply pipe sealing connection. Simple structure is used for realizing through whole equipment specially to the convenient detection of thread bush leakproofness.

Description

Thread bush leakproofness check out test set

Technical Field

The utility model relates to a check out test set especially relates to a thread bush leakproofness check out test set.

Background

In the field of wind power generation, the thread bush is a new product used for replacing a round nut and a blade bolt for combined use, the thread bush usually comprises a thread bush body with a through hole, one end of the thread bush body is provided with a sealing plug to seal one end of the through hole, in the installation site of a wind power generator, one end of the thread bush with the sealing plug is usually installed in a corresponding installation hole on a blade, the other end of the thread bush body is used for installing the blade bolt, glue is poured in the installation hole to realize the fastening connection between the thread bush and the blade, at the moment, if the sealing connection between the sealing plug and the thread bush body is not good, glue can easily enter the inside of the thread bush, the thread bush and the blade bolt are stuck together, the blade bolt cannot be screwed, the installation progress of the blade is influenced, and a large number of construction period delay expenses can be generated for the reason. In order to avoid the above problems, it is necessary to detect the tightness of the thread bush having the sealing plug attached to one end thereof before shipment, however, no special tightness detection device specially adapted to detect the tightness of the thread bush having the above structure is commercially available, and the tightness detection operation for the thread bush is troublesome.

Disclosure of Invention

The utility model aims to solve the technical problem that a thread bush leakproofness check out test set that simple structure, can carry out the leakproofness to the thread bush conveniently detects is provided.

The utility model provides a technical scheme that above-mentioned technical problem adopted does:

the utility model provides a thread bush leakproofness check out test set, includes testing platform, testing platform on be provided with at least a set of detection mechanism, detection mechanism include the positioning seat, detect pressure head and air feeder, the up end of positioning seat have the positioning cavity that is used for fixing a position the thread bush of undercut, positioning cavity intussuseption fill and have liquid, the positioning seat directly over can be provided with moving about from top to bottom the detection pressure head, the lower terminal surface of detection pressure head have the detection cavity of undercut, the detection pressure head on have with the air feed interface that the detection cavity is linked together, the air feed interface with air feeder between through an air supply pipe sealing connection.

The detection pressure head pass through actuating mechanism and drive activity from top to bottom, testing platform on be provided with and be used for the installation actuating mechanism's mounting platform, mounting platform be located testing platform's top, mounting platform with testing platform between be connected through vertical support post, actuating mechanism set up mounting platform on, the detection pressure head be in actuating mechanism's drive under can be in with moving about from top to bottom the mounting platform with the positioning seat between. The driving mechanism is used for driving the detection pressure head to move up and down stably, and the driving mechanism is stably installed on the equipment through the installation platform.

The driving mechanism is a driving cylinder, a cylinder body of the driving cylinder is fixedly installed on the mounting platform, and the lower end of a driving rod of the driving cylinder extends downwards to extend out of the mounting platform and is fixedly connected with the detection pressure head. Actuating mechanism chooses for use to drive actuating cylinder, simple structure, and is with low costs, can drive the stable up-and-down activity of detection pressure head, also can continuously provide the overdraft simultaneously at the in-process that pushes down, ensures to detect the pressure head and the inseparable pressure equipment of laminating of thread bush to guarantee the precision that detects.

The detection pressure head include the installation department that top-down set gradually and press and establish the portion, the installation department with the lower extreme fixed connection who drives actuating cylinder's actuating lever, the detection cavity include that top-down is coaxial to communicate the air feed chamber that sets up in proper order and to press and establish the chamber, the air feed chamber set up the installation department in, the pressure establish the chamber setting in the portion, the internal diameter of air feed chamber be less than the internal diameter of the hole of thread bush, the pressure establish the internal diameter in chamber and be greater than the external diameter of thread bush, the air feed interface set up the installation department the lateral part with the air feed chamber be linked together. Above-mentioned structure can ensure that the gas in the air feed intracavity is whole to be filled into in the hole of thread bush in the testing process, not only realizes the maximize utilization of resource, can effectively ensure the precision that detects simultaneously.

Mounting platform include the mounting panel that the level set up, the support post support the setting and be in the mounting panel lower terminal surface with testing platform's up end between, the cylinder body fixed mounting that drives actuating cylinder be in the up end of mounting panel on, the lower extreme that drives actuating cylinder's actuating lever stretch out downwards the mounting panel with detection pressure head fixed connection, the rear end of mounting panel vertical bending type that makes progress form the bearing wall, the bearing wall before the terminal surface with the up end of mounting panel between be provided with the enhancement backup pad. The mounting platform is simple in structure and good in supporting stability.

The air supply device also comprises a main controller and a pedal switch, wherein the main controller is internally provided with a control program for driving the driving air cylinder and the air supply device to act, and the pedal switch is used for starting the control program. The control program for driving the cylinder and the air supply device to act adopts the existing conventional drive program, the pedal type switch is stepped on by feet to start the control program, after the pedal type switch is stepped on by the feet, the driving cylinder drives the driving rod to move downwards, the detection pressure head is driven to downwards press the upper end head arranged on the threaded sleeve, then the air supply device acts to inflate the threaded sleeve, the inflation pressure is stable at 0.6Mpa for about 10 seconds, the driving rod moves upwards, the pressing effect on the upper end head of the threaded sleeve is relieved, the structure is simple, both hands are liberated, and the operation is convenient.

The detection pressure head on be provided with pressure sensor, pressure sensor's test probe stretch into the setting and be in the air feed intracavity, main control unit alarm module and pressure comparison module have, pressure sensor with main control unit signal of telecommunication connect, through pressure comparison module real-time comparison pressure sensor transmit the real-time pressure value of coming, work as the real-time pressure value that pressure sensor detected be greater than the main control unit in when the predetermined pressure value of settlement, show that the thread bush leakproofness is not good, alarm module send alarm signal. Because the liquid is observed by adopting the artificial naked eyes whether small bubbles exist or not and a certain deviation exists, and the liquid level is observed by staring at the human eyes for a long time, once the liquid level is tired by eyes, misjudgment is easily caused, and the pressure sensor is matched with an alarm module in the main controller to be used for auxiliary detection, so that the detection accuracy is ensured.

The detection platform is provided with an illuminating lamp. The device is convenient to use at night or in dim environments.

The liquid is alcohol. Alcohol is selected for use in the liquid, and the outer side wall of the threaded sleeve cannot be corroded.

And a centering positioning block is arranged in the positioning concave cavity. The inner hole A3 of the threaded sleeve is coaxial with the air supply cavity through the centering positioning block, so that air in the air supply cavity can be completely flushed into the interior of the threaded sleeve, and the detection accuracy is guaranteed.

The side part of the detection platform is provided with an electric control cabinet, and the main controller is positioned in the electric control cabinet. A stable arrangement space is provided for the main controller through the electric control cabinet.

Compared with the prior art, the utility model has the advantages of: the positioning seat on the detection platform is used for positioning and placing the end of the threaded sleeve with the sealing plug, the detection pressure head is pressed down to compress the other end of the threaded sleeve, the sealing of the end of the threaded sleeve is realized by the detection pressure head, gas in the gas supply device enters the detection cavity through the gas supply port through the gas supply pipe, and enter into the inner hole of the threaded sleeve along with the situation, the liquid of the positioning cavity is observed, if the liquid has no bubble, the sealing property of the threaded sleeve is qualified if the liquid is generated, if the gas is generated in the liquid, the sealing property of the threaded sleeve is unqualified if the liquid is declared, the structure is simple, the convenient detection aiming at the sealing property of the threaded sleeve is specially realized through the whole equipment.

Drawings

Fig. 1 is a schematic perspective view of a thread bushing of the present invention;

FIG. 2 is a schematic cross-sectional view of the thread bushing of the present invention;

fig. 3 is a schematic perspective view of the present invention;

FIG. 4 is a schematic view of a cross-sectional structure of the detection indenter of the present invention;

fig. 5 is a schematic structural view of the positioning seat of the present invention;

fig. 6 is a schematic view of the structure of the present invention without showing the air supply pipe and the air supply device.

Detailed Description

The present invention will be described in further detail with reference to the following embodiments.

As shown in the figure, a thread bush leakproofness check out test set, including testing platform 1, testing platform 1 is last to be provided with at least a set of detection mechanism, detection mechanism includes positioning seat 2, detect pressure head 3 and air feeder 4, the up end of positioning seat 2 has undercut's a location cavity 21 that is used for location thread bush a, location cavity 21 intussuseption is filled with liquid (not shown in the figure), can be provided with detection pressure head 3 about the positioning seat 2 directly over with moving about, the lower terminal surface that detects pressure head 3 has directional undercut's detection cavity 5, the last air feed interface 31 that is linked together with detection cavity 5 that has of detection pressure head 3, through an air supply pipe 6 sealing connection between air feed interface 31 and the air feeder 4.

In this embodiment, the detection pressure head 3 is driven by the driving mechanism to move up and down, the mounting platform 7 for mounting the driving mechanism is arranged on the detection platform 1, the mounting platform 7 is located above the detection platform 1, the mounting platform 7 is connected with the detection platform 1 through the vertical supporting upright posts 17, the driving mechanism is arranged on the mounting platform 7, and the detection pressure head 3 is driven by the driving mechanism to be movably arranged between the mounting platform 7 and the positioning seat 2 up and down. The driving mechanism is used for driving the detection pressure head 3 to move up and down stably, and the driving mechanism is stably installed on the equipment through the installation platform 7.

In this embodiment, there are two support columns 17, and the two support columns 17 are arranged at left and right intervals. Forming a stable support.

In this embodiment, the driving mechanism is a driving cylinder 8, a cylinder body 82 of the driving cylinder 8 is fixedly mounted on the mounting platform 7, and a lower end of a driving rod 81 of the driving cylinder 8 extends downward out of the mounting platform 7 to be fixedly connected with the detection ram 3. Actuating mechanism chooses for use to drive actuating cylinder 8, simple structure, and is with low costs, can drive the stable upper and lower activity of detection pressure head 3, also can continuously provide the overdraft at the in-process that pushes down simultaneously, ensures to detect pressure head 3 and the pressure equipment of closely laminating of thread bush A to guarantee the precision that detects.

In this embodiment, the detection pressure head 3 includes an installation portion 32 and a pressing portion 33 which are sequentially arranged from top to bottom, the installation portion 32 is fixedly connected with the lower end of the driving rod 81 of the driving cylinder 8, the detection cavity 5 includes an air supply cavity 51 and a pressing cavity 52 which are sequentially coaxially arranged from top to bottom in a communicating manner, the air supply cavity 51 is arranged in the installation portion 32, the pressing cavity 52 is arranged in the pressing portion 33, the inner diameter of the air supply cavity 51 is smaller than the inner diameter D of the inner hole a3 of the thread bush a, the inner diameter of the pressing cavity 52 is larger than the outer diameter D of the thread bush a, and the air supply interface 31 is arranged at the side portion of the installation portion 32 and is communicated with the air supply cavity 51. The structure can ensure that the gas in the gas supply cavity 51 is completely filled into the inner hole A3 of the threaded sleeve A in the detection process, so that the maximum utilization of resources is realized, and the detection accuracy can be effectively ensured.

In this embodiment, the mounting platform 7 includes a horizontally disposed mounting plate 71, the supporting column 17 is supported and disposed between a lower end surface of the mounting plate 71 and an upper end surface of the detecting platform 1, a cylinder 82 of the driving cylinder 8 is fixedly mounted on the upper end surface of the mounting plate 71, a lower end of a driving rod 81 of the driving cylinder 8 extends downward out of the mounting plate 71 and is fixedly connected with the detecting ram 3, a rear end of the mounting plate 71 is vertically bent upward to form a supporting wall 72, and a reinforcing supporting plate 73 is disposed between a front end surface of the supporting wall 72 and the upper end surface of the mounting plate 71. The mounting platform 7 is simple in structure and good in supporting stability.

In this embodiment, the air-conditioning system further comprises a main controller (not shown) and a foot switch 9, wherein a control program for driving the air cylinder 8 and the air supply device 4 to operate is set inside the air-conditioning system, and the foot switch is used for starting the control program. The control program for driving the cylinder 8 and the air supply device 4 to act adopts the existing conventional drive program, the pedal switch 9 is treaded by feet to start the control program, after the pedal switch 9 is treaded by the feet, the driving cylinder 8 drives the driving rod 81 to move downwards, the detection pressure head 3 is driven to press downwards to be arranged at the upper end of the thread bush A, then the air supply device 4 acts to inflate the thread bush A, the inflation pressure is stable at 0.6MPa for about 10 seconds, the driving rod 81 moves upwards, the pressing effect on the upper end of the thread bush A is removed, the structure is simple, both hands are liberated, and the operation is convenient.

In this embodiment, the pressure sensor 10 is disposed on the detection pressure head 3, the detection probe of the pressure sensor 10 extends into the air supply cavity 51, the main controller has an alarm module and a pressure comparison module, the pressure sensor 10 is electrically connected with the main controller, the real-time pressure value transmitted from the pressure sensor 10 is compared by the pressure comparison module in real time, when the real-time pressure value detected by the pressure sensor 10 is greater than the preset pressure value set in the main controller, it indicates that the tightness of the thread bushing a is not good, and the alarm module sends an alarm signal. As the liquid is observed by adopting the artificial naked eyes whether small bubbles exist or not and a certain deviation exists, and the liquid level is observed by staring at the human eyes for a long time, once eye fatigue is used, misjudgment is easily caused, and the pressure sensor 10 is matched with an alarm module in the main controller for auxiliary detection, so that the detection accuracy is ensured.

In this embodiment, the inspection platform 1 is provided with an illumination lamp 11. The device is convenient to use at night or in dim environments.

In this embodiment, the liquid is alcohol. Alcohol is selected for use in the liquid, and the outer side wall of the threaded sleeve A cannot be corroded.

In this embodiment, the positioning cavity 21 has a centering block 211 therein. The inner hole A3 of the threaded sleeve A is coaxial with the air supply cavity 51 through the centering positioning block 211, so that air in the air supply cavity 51 can be completely flushed into the inner space of the threaded sleeve A, and the detection accuracy is guaranteed.

In this embodiment, the side of the testing platform 1 has an electric control cabinet 12, and the main controller is located in the electric control cabinet 12. A stable arrangement space is provided for the main controller through the electric control cabinet 12.

In this embodiment, one apparatus has two detection mechanisms. The detection efficiency is effectively improved.

The specific detection mode is as follows: one end of the thread sleeve A with the sealing plug B is a sealing end A1, the other end is an open end A2, in an initial state, the detection pressure head 3 is located at an upper limit position, a certain amount of alcohol is filled into the positioning cavity 21, the sealing end A1 of the thread sleeve A is placed on the centering positioning block 211 in the positioning cavity 21, the sealing end A1 is soaked in the alcohol, then the foot pedal switch 9 is stepped on, the main controller receives a starting instruction, the driving rod 81 of the driving cylinder 8 is driven to downwards, the detection pressure head 3 is driven to downwards press, the inner upper end face of the pressing cavity 52 is in sealing fit with the upper end face of the open end A2, the downward pressure of the driving cylinder 8 on the detection pressure head 3 is maintained after the detection pressure head 3 is pressed to the right position, the main controller controls the air supply device 4 to supply air to the air supply cavity 51 through the air supply pipe 6, air in the air supply cavity 51 enters an inner hole A3 of the thread sleeve A along with the air, and within a set detection time, observing the alcohol liquid level by naked eyes to see whether bubbles are generated, wherein if the bubbles exist, the sealing property between the thread bush A and the sealing plug is unqualified, and if the bubbles do not exist, the sealing property between the thread bush A and the sealing plug B is qualified; in addition, the pressure sensor 10 is matched with an alarm module in the main controller to be used for auxiliary detection, when the real-time pressure value detected by the pressure sensor 10 is greater than the preset pressure value set in the main controller, the tightness of the thread sleeve A is indicated to be poor, and the alarm module sends out an alarm signal at the moment. And after detection is finished, the main controller drives the driving rod 81 of the driving cylinder 8 to move upwards, the detection pressure head 3 is driven to move upwards, the pressing effect on the open end A2 is relieved, and the thread sleeve A is taken down.

Claims

1. The utility model provides a thread bush leakproofness check out test set, its characterized in that includes testing platform, testing platform on be provided with at least a set of detection mechanism, detection mechanism include the positioning seat, detect pressure head and air feeder, the up end of positioning seat have the positioning cavity that is used for fixing a position the thread bush of undercut, positioning cavity intussuseption fill and have liquid, the positioning seat directly over can be provided with moving about from top to bottom the detection pressure head, the lower terminal surface of detection pressure head have the detection cavity of undercut, the detection pressure head on have with the air feed interface that the detection cavity is linked together, the air feed interface with air feeder between through an air supply pipe sealing connection.

2. The thread bushing tightness detection device according to claim 1, wherein the detection ram is driven by a driving mechanism to move up and down, a mounting platform for mounting the driving mechanism is disposed on the detection platform, the mounting platform is located above the detection platform, the mounting platform is connected to the detection platform through a vertical supporting upright, the driving mechanism is disposed on the mounting platform, and the detection ram is driven by the driving mechanism to move up and down between the mounting platform and the positioning seat.

3. The thread bushing tightness detection device according to claim 2, wherein the driving mechanism is a driving cylinder, a cylinder body of the driving cylinder is fixedly mounted on the mounting platform, and a lower end of a driving rod of the driving cylinder extends downwards out of the mounting platform to be fixedly connected with the detection pressure head.

4. The thread bushing sealing performance detection device according to claim 3, wherein the detection pressure head comprises a mounting portion and a pressing portion which are sequentially arranged from top to bottom, the mounting portion is fixedly connected with the lower end of the driving rod of the driving cylinder, the detection cavity comprises a gas supply cavity and a pressing cavity which are sequentially and coaxially communicated from top to bottom, the gas supply cavity is arranged in the mounting portion, the pressing cavity is arranged in the pressing portion, the inner diameter of the gas supply cavity is smaller than that of an inner hole of the thread bushing, the inner diameter of the pressing cavity is larger than the outer diameter of the thread bushing, and the gas supply interface is arranged on the side portion of the mounting portion and communicated with the gas supply cavity.

5. The thread bushing sealing performance detection device as claimed in claim 3, wherein the mounting platform comprises a horizontally disposed mounting plate, the supporting column is supported and disposed between a lower end surface of the mounting plate and an upper end surface of the detection platform, the cylinder body of the driving cylinder is fixedly mounted on the upper end surface of the mounting plate, a lower end of a driving rod of the driving cylinder extends downwards out of the mounting plate and is fixedly connected with the detection pressure head, a rear end of the mounting plate is vertically bent upwards to form a supporting wall, and a reinforcing supporting plate is disposed between a front end surface of the supporting wall and the upper end surface of the mounting plate.

6. The thread bushing sealability detection apparatus of claim 4, further comprising a main controller internally provided with a control program for driving the driving cylinder and the air supply device, and a foot switch for starting the control program.

7. The thread bushing tightness detection device according to claim 6, wherein the detection pressure head is provided with a pressure sensor, a detection probe of the pressure sensor extends into the air supply cavity, the main controller is provided with an alarm module and a pressure comparison module, the pressure sensor is electrically connected with the main controller, the pressure comparison module compares real-time pressure values transmitted by the pressure sensor in real time, when the real-time pressure values detected by the pressure sensor are greater than a preset pressure value set in the main controller, the thread bushing tightness is indicated to be poor, and the alarm module sends an alarm signal.

8. The thread bushing sealing performance detection device as claimed in claim 1, wherein an illumination lamp is disposed on the detection platform.

9. The thread bushing sealability testing apparatus of claim 1 wherein the liquid is alcohol.

10. The thread bushing sealability testing apparatus of claim 4 wherein the positioning cavity has a centering block therein.