CN210626395U - Handheld far-field eddy current probe pusher - Google Patents
Handheld far-field eddy current probe pusher Download PDFInfo
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- CN210626395U CN210626395U CN201921133274.2U CN201921133274U CN210626395U CN 210626395 U CN210626395 U CN 210626395U CN 201921133274 U CN201921133274 U CN 201921133274U CN 210626395 U CN210626395 U CN 210626395U
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- eddy current
- shell
- clamping
- control switch
- field eddy
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Abstract
The utility model relates to a hand-held far field eddy current probe pusher, relating to the field of far field eddy current detection, in particular to a hand-held far field eddy current probe pusher, which comprises a shell and is characterized in that a channel for a probe to pass through is arranged on the shell, and cleaning devices are arranged at both ends of the channel; clamping driving devices are further arranged in the shell in pairs, the channels penetrate through the area between the same pair of clamping driving devices, and the clamping driving devices are connected with probes penetrating through the channels in a rolling friction mode; the utility model discloses small, light in weight, easy operation can grip by the one hand, can adapt to the far field eddy current testing operation in less space, and probe velocity of motion is even, very big reduction human factor to the influence of signal, also very big degree alleviates workman's physical demands, improves the quality and the speed of detection achievement, the utility model discloses simple structure, clearance and later stage dismantlement maintenance after the convenient to use.
Description
Technical Field
The utility model relates to a far field eddy current testing field, concretely relates to far field eddy current probe of hand-held type pushes away and pulls out ware.
Background
At present, horizontal heat exchangers are widely used in the power industry, the chemical industry, the medical industry and the like, heat exchange tubes in the heat exchangers need to be carefully maintained, and a widely used detection method is eddy current detection. In far-field eddy current testing, a probe is pushed into and pulled out of a pipe orifice of a tested workpiece usually by manual two-hand exchange, and the stability of signals is affected because the rhythm and the speed of the two-hand exchange are difficult to be uniform, so that misjudgment or missing detection is extremely easy to cause, and the working progress is also affected by the fatigue of workers.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model provides a can adapt to the far field eddy current test operation in less space, and probe velocity of motion is even, has greatly reduced a hand-held type far field eddy current test probe pusher of human factor to the influence of signal.
The utility model relates to a hand-held far field eddy current probe pusher, which comprises a shell and is characterized in that a channel for a probe to pass through is arranged on the shell, and cleaning devices are arranged at two ends of the channel;
clamping driving devices are further arranged in the shell in pairs, the channels penetrate through the area between the same pair of clamping driving devices, the clamping driving devices are connected with the probes penetrating through the channels in a rolling friction mode, the clamping driving devices are fixedly connected with the shell through adjusting devices, and the same pair of clamping driving devices are arranged vertically and symmetrically;
the shell is also provided with a handheld part.
Preferably, the clamping driving devices each comprise a clamping wheel, an annular groove depressed towards the center of the clamping wheel is arranged on the peripheral surface of the clamping wheel, and the central axis of the annular groove and the rotation axis of the clamping wheel are on the same straight line; the channel is positioned between the clamping wheels of the same pair of clamping driving devices;
the clamping device comprises a clamping wheel shaft, a fixed pipe and a clamping wheel shaft, wherein the fixed pipe comprises two hollow vertical pipes which are arranged in parallel, one ends of the two vertical pipes are connected through a cross rod, a fixed rod is movably arranged in each vertical pipe, the central axis of each fixed rod is on the same straight line with the central axis of the corresponding vertical pipe, one end of each fixed rod extending into each vertical pipe abuts against the bottom of the corresponding vertical pipe through a spring, and the central axes of the cross rod and the vertical pipes are on the same plane;
the two fixing rods are respectively and rotatably connected with two ends of a clamping wheel axle through bearings, the clamping wheel is fixedly arranged on the clamping wheel axle and is positioned in an area between two vertical pipes on the fixing pipe, one end of the clamping wheel axle is connected with a motor, and the motor is fixedly connected with the fixing pipe;
the guide pipe is characterized by further comprising two guide limit plates, the two guide limit plates are arranged in parallel and are fixedly connected with the shell, and the fixed pipe is arranged between the two guide limit plates; the fixed pipe moves between the two guide limiting plates along the axial direction of the vertical pipe;
the cross rod is connected with the shell through the extrusion adjusting device, and the motor is connected with a power supply through the control switch.
Preferably, the adjusting device comprises an airfoil fastening bolt, one end of the airfoil fastening bolt extends into the shell and then is connected with a cross bar, the airfoil fastening bolt is in threaded connection with the shell, a fixed blind hole is formed in the cross bar, one end of the airfoil fastening bolt extending into the shell extends into the fixed blind hole, the central axis of the fixed blind hole and the central axis of the airfoil fastening bolt are on the same straight line and are perpendicular to the central axis of the channel, and the depth of the fixed blind hole is greater than the distance between two clamping wheels in the same pair of clamping driving devices;
when the wing fastening bolt is turned, the wing fastening bolt presses or releases the cross bar, so that the cross bar moves towards or away from the channel.
Preferably, the motors are small-sized stepless speed regulation direct current motors, the power supply is fixedly arranged in the handheld part and is electrically connected with the control switch, and the control switch is electrically connected with the small-sized stepless speed regulation direct current motors;
the control switch comprises a forward rotation control switch and a reverse rotation control switch, and the small-sized stepless speed regulation direct current motor is connected with the power supply through the forward rotation control switch and the reverse rotation control switch respectively.
Preferably, the clamping wheel is a clamping wheel made of rubber.
Preferably, the control switch is provided on the hand-held portion.
Preferably, the cleaning device is a decontamination brush, the decontamination brush comprises an annular brush body, brushes are uniformly distributed on the inner circumferential surface of the annular brush body, the outer circumferential surface of the annular brush body is fixedly connected with the shell, and the decontamination brush is respectively and fixedly arranged on the shell corresponding to the two ends of the channel.
Or preferably, the device also comprises a winding roll for winding and unwinding a probe signal wire connected with the probe, the winding roll is connected with a wire roll bracket through a winding rotating shaft, the winding roll is connected with a synchronous motor, the synchronous motor is electrically connected with a forward rotation control switch and a reverse rotation control switch through a synchronous motor control signal wire, and the synchronous motor and the small stepless speed regulation direct current motor synchronously act.
Preferably, the winding roll comprises a winding roll body, an annular groove capable of winding the probe signal wire is arranged on the peripheral surface of the winding roll body, and the central axis of the annular groove and the rotation axis of the winding roll body are on the same straight line;
the winding roll body is a cylindrical round table, and the central axis of the winding roll body and the rotation axis of the winding roll body are on the same straight line.
Preferably, the take-up reel body is frame-type take-up reel body, that is to say, the annular groove face is connected with the rotation of the reel support through the connecting rod, and the material consumption is reduced.
The utility model discloses small, light in weight, easy operation can grip by the one hand, can adapt to the far field eddy current testing operation in less space, and probe velocity of motion is even, very big reduction human factor to the influence of signal, also very big degree alleviates workman's physical demands, improves the quality and the speed of detection achievement, the utility model discloses simple structure, clearance and later stage dismantlement maintenance after the convenient to use.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural view of the clamping driving device.
Reference numerals: 1-probe, 2-front decontamination brush, 3-housing, 4-fixed tube, 5-clamping wheel, 6-cross bar, 7-control switch, 8-hand-held part, 9-power line interface, 10-synchronous motor control signal line interface, 11-rear decontamination brush, 12-probe signal line, 13-winding reel, 14-winding reel bracket, 15-synchronous motor, 16-speed regulation knob, 17-vertical tube, 18-synchronous motor control signal line, 19-wing fastening bolt, 20-spring, 21-fixed rod, 23-clamping wheel axle, 25-motor.
Detailed Description
The utility model relates to a hand-held far field eddy current probe 1 pusher, which comprises a shell 3 and is characterized in that a channel for the probe 1 to pass through is arranged on the shell 3, and cleaning devices are arranged at both ends of the channel;
clamping driving devices are further arranged in the shell 3 in pairs, the channels penetrate through the area between the same pair of clamping driving devices, the clamping driving devices are connected with the probes 1 penetrating through the channels in a rolling friction mode, the clamping driving devices are fixedly connected with the shell 3 through adjusting devices, and the same pair of clamping driving devices are arranged vertically and symmetrically;
the housing 3 is further provided with a hand-held portion 8.
The clamping driving devices comprise clamping wheels 5, annular grooves which are sunken towards the centers of the clamping wheels 5 are formed in the peripheral surfaces of the clamping wheels 5, and the central axes of the annular grooves and the rotating axes of the clamping wheels 5 are on the same straight line; the channel is positioned between the clamping wheels 5 of the same pair of clamping driving devices;
the clamping device is characterized by further comprising a fixed pipe 4 and a clamping wheel axle 23, wherein the fixed pipe 4 comprises two hollow vertical pipes 17 which are arranged in parallel, one ends of the two vertical pipes 17 are connected through a cross rod 6, a fixed rod 21 is movably arranged in each vertical pipe 17, the central axis of each fixed rod 21 is in the same straight line with the central axis of the corresponding vertical pipe 17, one end, extending into each vertical pipe 17, of each fixed rod 21 abuts against the bottom of the corresponding vertical pipe 17 through a spring 20, and the central axes of the cross rod 6 and the corresponding vertical pipes 17 are in the same plane;
the two fixing rods 21 are respectively connected with two ends of a clamping wheel axle 23 in a rotating manner through bearings, the clamping wheel 5 is fixedly arranged on the clamping wheel axle 23, the clamping wheel 5 is positioned in an area between the two vertical pipes 17 on the fixing pipe 4, one end of the clamping wheel axle 23 is connected with a motor 25, and the motor 25 is fixedly connected with the fixing pipe 4;
the guide device is characterized by further comprising two guide limiting plates, wherein the two guide limiting plates are arranged in parallel and are fixedly connected with the shell 3, and the fixed pipe 4 is arranged between the two guide limiting plates; the fixed pipe 4 moves along the axial direction of the vertical pipe 17 between the two guide limit plates;
the cross rod 6 is connected with the shell 3 through an extrusion adjusting device, and the motor 25 is connected with a power supply through a control switch 7.
The adjusting device comprises an airfoil fastening bolt 19, one end of the airfoil fastening bolt 19 extends into the shell 3 and then is connected with a cross rod 6, the airfoil fastening bolt 19 is in threaded connection with the shell 3, a fixed blind hole is formed in the cross rod 6, one end of the airfoil fastening bolt 19 extending into the shell 3 extends into the fixed blind hole, the central axis of the fixed blind hole and the central axis of the airfoil fastening bolt 19 are on the same straight line and are vertical to the central axis of the channel, and the depth of the fixed blind hole is larger than the distance between two clamping wheels 5 in the same pair of clamping driving devices;
when the wing fastening bolt 19 is turned, the wing fastening bolt 19 presses or releases the cross bar 6, so that the cross bar 6 moves towards or away from the channel.
The motors 25 are all small-sized stepless speed regulation direct current motors 25, the power supply is fixedly arranged in the handheld part 8 and is electrically connected with the control switch 7, and the control switch 7 is electrically connected with the small-sized stepless speed regulation direct current motors 25;
the control switch 7 comprises a forward rotation control switch and a reverse rotation control switch, and the small-sized stepless speed regulation direct current motor 25 is connected with a power supply through the forward rotation control switch and the reverse rotation control switch 7 respectively.
The clamping wheel 5 is a clamping wheel 5 made of rubber.
The control switch 7 is provided on the hand grip portion 8. The handheld part 8 can be provided with a power line interface 9 for charging a power supply, and the handheld part 8 is provided with an interface 10 of a synchronous motor control signal line 18 for facilitating the connection of the control switch 7 and the synchronous motor 15.
The cleaning device is a decontamination brush, the decontamination brush comprises an annular brush body, hairbrushes are uniformly distributed on the inner circumferential surface of the annular brush body, the outer circumferential surface of the annular brush body is fixedly connected with the shell 3, and the decontamination brush is respectively and fixedly arranged on the shell 3 corresponding to the two ends of the channel.
The winding device is characterized by further comprising a winding roll 13 used for winding and unwinding a probe signal wire 12 connected with the probe 1, wherein the winding roll 13 is connected with a wire roll support 14 through a winding rotating shaft, a synchronous motor 15 is connected onto the winding roll 13, the synchronous motor 15 is electrically connected with a forward rotation control switch and a reverse rotation control switch through a synchronous motor control signal wire 18, and the synchronous motor 15 and the small-sized stepless speed regulation direct current motor 25 synchronously act.
The winding roll 13 comprises a winding roll 13 body, the peripheral surface of the winding roll 13 body is provided with an annular groove capable of winding the probe signal wire 12, and the central axis of the annular groove and the rotation axis of the winding roll 13 body are on the same straight line;
the winding roll 13 body is a cylindrical circular truncated cone, and the central axis of the winding roll 13 body and the rotation axis of the winding roll 13 body are on the same straight line.
The winding roll 13 is a frame-type winding roll 13.
When in use, the utility model has the appearance of imitating the shape of a pistol and can be held by one hand. Firstly, the probe 1 is sent from the rear decontamination brush 11, the probe 1 penetrates out of the front decontamination brush 2 after passing through the channel, and a mark A is marked on the line of the probe 1 at the rear decontamination brush 11. The control switch 7 is buckled down, and the wing-shaped fastening knob is adjusted to ensure that the clamping wheel 5 is stably contacted with the probe 1, so that the pushing and the pulling are smooth and have no slip. Aligning the probe 1 with the heat exchange tube gateway, pushing the probe to the other end, making a mark B on the probe 1 line near the rear decontamination brush 11, detecting the probe to be pushed in until the mark B reaches the position near the rear decontamination brush 11, and pulling out until the mark A reaches the position near the rear decontamination brush 11.
Two pairs of clamping driving devices are arranged in the shell 3, the motors 25 are all small-sized stepless speed-regulating direct current motors 25, the probe 1 is generally pulled at the speed of 10m/min, the speed-regulating knob 16 can also be rotated according to actual requirements to regulate the rotating speed of the motors 25, and the internal circuit feeds back real-time damping to automatically regulate the speed.
The small stepless speed regulating DC motor 25 and the clamping wheel 5 are fixed by an elastic control arm and can clamp probes 1 with different specifications. The clamping wheel 5 is made of wear-resistant rubber with a high friction coefficient, so that slipping is reduced.
When the control switch 7 is buckled, the small stepless speed regulation direct current motor 25 acts, when the control switch 7 is loosened, the small stepless speed regulation direct current motor 25 stops, and meanwhile, the working state is displayed through an indicator light electrically connected with the control switch 7. When the forward rotation control switch is buckled down, the small-sized stepless speed regulation direct current motor 25 rotates in the forward direction, a green forward indicator lamp connected between the small-sized stepless speed regulation direct current motor 25 and the forward rotation control switch in series is turned on, the forward rotation control switch is loosened, the small-sized stepless speed regulation direct current motor 25 stops operating, and the green forward indicator lamp is turned off; when the reverse control switch is buckled down, the small-sized stepless speed regulation direct current motor 25 runs reversely, a red backward indicator lamp connected between the small-sized stepless speed regulation direct current motor 25 and the reverse control switch in series is turned on, the reverse control switch is loosened, the small-sized stepless speed regulation direct current motor 25 stops, and the red backward indicator lamp is turned off.
The front decontamination brush 2 and the rear decontamination brush 11 can brush off dirt to the maximum extent, reduce the resistance and the abrasion of the probe 1 line, and can be disassembled and washed or replaced according to the actual working conditions.
The utility model discloses can install the battery in the handheld portion 8, can not connect the power when work load is less. The electric quantity in the storage battery is directly used.
The synchronous motor 15 connected with the winding roll 13 is connected with the forward rotation control switch and the reverse rotation control switch, so that the synchronous motor 15 and the small-sized stepless speed regulation direct current motor 25 synchronously act, and the winding roll 13 automatically winds and releases the probe signal wire 12. The wire reel 13 releases the probe signal wire 12 when pushed in, and the wire reel 13 winds the probe signal wire 12 when pulled out. The rotation speed of the synchronous motor 15 is automatically adjusted along with the speed regulation knob 16. The take-up reel 13 can also be operated manually when the working position is limited.
Claims (10)
1. A handheld far-field eddy current probe pusher comprises a shell (3), and is characterized in that a channel for a probe (1) to pass through is arranged on the shell (3), and cleaning devices are arranged at two ends of the channel;
clamping driving devices are further arranged in the shell (3) in pairs, the channels penetrate through the area between the same pair of clamping driving devices, the clamping driving devices are connected with the probes (1) penetrating through the channels in a rolling friction mode, the clamping driving devices are fixedly connected with the shell (3) through adjusting devices, and the same pair of clamping driving devices are arranged vertically and symmetrically;
the shell (3) is also provided with a handheld part (8).
2. The handheld far-field eddy current probe pusher as claimed in claim 1, wherein the clamping driving devices each comprise a clamping wheel (5), the circumferential surface of the clamping wheel (5) is provided with an annular groove depressed towards the center of the clamping wheel (5), and the central axis of the annular groove is collinear with the rotation axis of the clamping wheel (5); the channel is positioned between the clamping wheels (5) of the same pair of clamping driving devices;
the clamping device is characterized by further comprising a fixed pipe (4) and a clamping wheel axle (23), wherein the fixed pipe (4) comprises two hollow vertical pipes (17) which are arranged in parallel, one ends of the two vertical pipes (17) are connected through a cross rod (6), a fixed rod (21) is movably arranged in each vertical pipe (17), the central axis of each fixed rod (21) and the central axis of the corresponding vertical pipe (17) are on the same straight line, one end, extending into each vertical pipe (17), of each fixed rod (21) abuts against the bottom of each vertical pipe (17) through a spring (20), and the central axes of the cross rod (6) and the corresponding vertical pipes (17) are in the same plane;
the two fixing rods (21) are respectively connected with two ends of a clamping wheel axle (23) in a rotating mode through bearings, the clamping wheel (5) is fixedly arranged on the clamping wheel axle (23), the clamping wheel (5) is located in the area between the two vertical pipes (17) on the fixing pipe (4), one end of the clamping wheel axle (23) is connected with a motor (25), and the motor (25) is fixedly connected with the fixing pipe (4);
the guide device is characterized by further comprising two guide limiting plates, wherein the two guide limiting plates are arranged in parallel and are fixedly connected with the shell (3), and the fixed pipe (4) is arranged between the two guide limiting plates; the fixed pipe (4) moves along the axial direction of the vertical pipe (17) between the two guide limit plates;
the cross rod (6) is connected with the shell (3) through the extrusion adjusting device, and the motor (25) is connected with a power supply through the control switch (7).
3. The hand-held far-field eddy current probe pusher is characterized in that the adjusting device comprises a wing-shaped fastening bolt (19), one end of the wing-shaped fastening bolt (19) extends into the shell (3) and then is connected with the cross rod (6), the wing-shaped fastening bolt (19) is in threaded connection with the shell (3), a fixed blind hole is formed in the cross rod (6), one end of the wing-shaped fastening bolt (19) extending into the shell (3) extends into the fixed blind hole, the central axis of the fixed blind hole is in the same line with the central axis of the wing-shaped fastening bolt (19) and is perpendicular to the central axis of the channel, and the depth of the fixed blind hole is larger than the distance between two clamping wheels (5) in the same pair of clamping driving devices;
when the wing fastening bolt (19) is turned, the wing fastening bolt (19) presses or releases the cross bar (6) so that the cross bar (6) moves towards or away from the channel.
4. The hand-held far-field eddy current probe pusher as claimed in claim 3, wherein the motors (25) are small-sized stepless speed-regulating DC motors, the power supply is fixedly arranged in the hand-held part (8) and is electrically connected with the control switch (7), and the control switch (7) is electrically connected with the small-sized stepless speed-regulating DC motors;
the control switch (7) comprises a forward rotation control switch and a reverse rotation control switch, and the small-sized stepless speed regulation direct current motor is connected with a power supply through the forward rotation control switch and the reverse rotation control switch (7) respectively.
5. The hand-held far-field eddy current probe pusher according to claim 4, characterized in that the clamping wheel (5) is a clamping wheel (5) made of rubber.
6. The hand-held far-field eddy current probe pusher as claimed in claim 5, characterized in that the control switch (7) is arranged on the hand-held part (8).
7. The handheld far-field eddy current probe pusher according to claim 6, wherein the cleaning device is a cleaning brush, the cleaning brush comprises an annular brush body, brushes are uniformly distributed on the inner circumferential surface of the annular brush body, the outer circumferential surface of the annular brush body is fixedly connected with the housing (3), and the cleaning brushes are respectively fixedly arranged on the housing (3) corresponding to the two ends of the channel.
8. The hand-held far-field eddy current probe pusher as claimed in any one of claims 4 to 7, further comprising a winding roll (13) for winding and unwinding a probe signal wire (12) connected to the probe (1), wherein the winding roll (13) is connected to a wire coil support (14) through a winding rotary shaft, a synchronous motor (15) is connected to the winding roll (13), the synchronous motor (15) is electrically connected to the forward rotation control switch and the reverse rotation control switch through a synchronous motor control signal wire (18), and the synchronous motor (15) is synchronously operated with the small stepless speed-regulating DC motor.
9. The handheld far-field eddy current probe pusher as claimed in claim 8, wherein the wire spool (13) comprises a wire spool body, an annular groove capable of winding the probe signal wire (12) is arranged on the peripheral surface of the wire spool body, and the central axis of the annular groove is in the same line with the rotation axis of the wire spool body;
the winding roll body is a cylindrical round table, and the central axis of the winding roll body and the rotation axis of the winding roll body are on the same straight line.
10. The hand-held far field eddy current probe pusher of claim 9, wherein the spool body is a frame-type spool body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921133274.2U CN210626395U (en) | 2019-07-19 | 2019-07-19 | Handheld far-field eddy current probe pusher |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921133274.2U CN210626395U (en) | 2019-07-19 | 2019-07-19 | Handheld far-field eddy current probe pusher |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210626395U true CN210626395U (en) | 2020-05-26 |
Family
ID=70758274
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921133274.2U Expired - Fee Related CN210626395U (en) | 2019-07-19 | 2019-07-19 | Handheld far-field eddy current probe pusher |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210626395U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110243928A (en) * | 2019-07-19 | 2019-09-17 | 中国大唐集团科学技术研究院有限公司西北电力试验研究院 | A kind of hand-held Remote Field Eddy Current Probe, which pushes away, pulls out device |
-
2019
- 2019-07-19 CN CN201921133274.2U patent/CN210626395U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110243928A (en) * | 2019-07-19 | 2019-09-17 | 中国大唐集团科学技术研究院有限公司西北电力试验研究院 | A kind of hand-held Remote Field Eddy Current Probe, which pushes away, pulls out device |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200526 Termination date: 20210719 |
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| CF01 | Termination of patent right due to non-payment of annual fee |