CN215833334U - Adjustable frame assembly and steel rail flaw detector detection frame with same - Google Patents
Adjustable frame assembly and steel rail flaw detector detection frame with same Download PDFInfo
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- CN215833334U CN215833334U CN202121781753.2U CN202121781753U CN215833334U CN 215833334 U CN215833334 U CN 215833334U CN 202121781753 U CN202121781753 U CN 202121781753U CN 215833334 U CN215833334 U CN 215833334U
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Abstract
The utility model discloses an adjustable frame body assembly and a steel rail flaw detector detection frame body with the same, and the adjustable frame body assembly comprises an outer frame body, an inner frame body and a spacing adjusting structure, wherein the inner frame body is positioned inside the outer frame body and is connected with the outer frame body through the spacing adjusting structure; the distance adjusting structure comprises an adjusting screw rod and a nut sleeve, one end of the adjusting screw rod penetrates through the outer frame body and is connected with the outer frame body in a rotating mode, the other end of the adjusting screw rod penetrates through the nut sleeve and is connected with the nut sleeve in a threaded mode, and the nut sleeve is arranged on the inner frame body. According to the utility model, the nut sleeve and the inner frame body are driven to horizontally move by rotating the adjusting screw rod to realize distance adjustment by rotating the adjusting screw rod, so that the position of the ultrasonic probe can be conveniently adjusted after the steel rail flaw detector is erected on the rail, and the device is worthy of popularization and application.
Description
Technical Field
The utility model relates to the technical field of steel rail flaw detection, in particular to an adjustable frame assembly and a steel rail flaw detector detection frame with the same.
Background
The rail flaw detector, i.e. rail flaw detection vehicle, can be divided into two types, electromagnetic rail flaw detection vehicle and ultrasonic rail flaw detection vehicle, according to the detection principle of rail flaw detection vehicle. The electromagnetic rail flaw detection vehicle detects the rail flaw according to a non-contact magnetic method. The ultrasonic steel rail flaw detection vehicle is used for detecting the flaw of a steel rail by an ultrasonic method, can detect fatigue defects and welding defects in the range of the rail bottom and the rail web of the steel rail (including the vicinity of a joint), and can detect scratches, crushing and wave abrasion of the rail bottom, corrosion of the rail bottom and crescent falling blocks. The vehicle is equipped with automatic recording equipment, and can record rail damage signals, line characteristic signals (bridge, tunnel, joint, sleeper category and the like) and the like. From the record the size and location of the damage within the rail can be determined analytically.
However, the existing detection frame body for the steel rail flaw detector (of a hand-push type) has certain defects in use, such as inconvenient operation, inconvenient adjustment of the position of the ultrasonic probe, and reduction of the detection efficiency to a certain extent, and therefore, an adjustable frame body assembly is provided.
SUMMERY OF THE UTILITY MODEL
The technical problem to be solved by the utility model is as follows: how to solve the problem that the position of ultrasonic probe is adjusted to the inconvenience that current detection framework exists, provide adjustable framework subassembly.
The utility model solves the technical problems through the following technical scheme, and comprises an outer frame body, an inner frame body and an interval adjusting structure, wherein the inner frame body is positioned in the outer frame body and is connected with the outer frame body through the interval adjusting structure; the distance adjusting structure comprises an adjusting screw rod and a nut sleeve, one end of the adjusting screw rod penetrates through the outer frame body and is connected with the outer frame body in a rotating mode, the other end of the adjusting screw rod penetrates through the nut sleeve and is connected with the nut sleeve in a threaded mode, and the nut sleeve is arranged on the inner frame body.
Furthermore, the distance adjusting structure further comprises an adjusting hand wheel, and the adjusting hand wheel is arranged at the end part of the adjusting screw rod.
Furthermore, the distance adjusting structure further comprises at least one guide post and a guide sleeve, wherein the guide post is arranged on the outer frame body, the guide sleeve is arranged on the inner frame body, and the guide post penetrates through the guide sleeve and is connected with the guide sleeve in a sliding manner.
Furthermore, the guide post is arranged in parallel with the adjusting screw rod.
Furthermore, the outer frame body and the inner frame body are both made of aluminum alloy materials.
Furthermore, a plurality of hollow holes are formed in the outer frame body and the inner frame body.
Furthermore, the number of the inner frame bodies is two, and the two inner frame bodies are respectively and symmetrically arranged on two sides of the inner part of the outer frame body.
The utility model also provides a steel rail flaw detector detection frame body which comprises the adjustable frame body assembly, and the position of part of the ultrasonic probe is adjusted through the adjustable frame body assembly.
Compared with the prior art, the utility model has the following advantages: through rotating adjusting screw, adjusting screw's rotation drives nut cover and inner frame horizontal motion and realizes the interval regulation, makes things convenient for rail flaw detector to erect and adjusts ultrasonic transducer's position after on the track, is worth being used widely.
Drawings
FIG. 1 is a schematic structural diagram of a detection frame in an embodiment of the present invention;
FIG. 2 is a schematic top view of a detecting frame according to an embodiment of the present invention;
FIG. 3 is a schematic front view of a detecting frame according to an embodiment of the present invention;
FIG. 4 is a schematic side view of a detection frame according to an embodiment of the present invention;
FIG. 5 is a cross-sectional view taken at A-A of FIG. 4;
FIG. 6 is a schematic structural view of a cross slide table in an embodiment of the present invention;
FIG. 7 is a schematic view of a partial structure of a cross slide table (in a lateral position) according to an embodiment of the present invention;
FIG. 8 is a side view schematic of the structure of FIG. 7;
FIG. 9 is a schematic top view of the structure of FIG. 7;
FIG. 10 is a schematic view showing the application of the inspection frame to a rail flaw detector according to the embodiment of the present invention.
Detailed Description
The following examples are given for the detailed implementation and specific operation of the present invention, but the scope of the present invention is not limited to the following examples.
As shown in fig. 1 to 10, the present embodiment provides a technical solution: the utility model provides a rail flaw detector is with detecting framework, includes adjustable framework subassembly, ultrasonic detection subassembly, supports spacing subassembly, adjustable framework subassembly includes outer frame 11, inner frame 12, interval adjustment structure, inner frame 12 is located outer frame 11's inside, and pass through interval adjustment structure with outer frame 11 connects, ultrasonic detection subassembly sets up on outer frame 11 and the inner frame 12 for realize omnidirectional detection work to orbital different positions, it is in to support spacing subassembly setting outer frame 11 is last, is used for playing support, direction and limiting displacement to the walking of whole detecting framework.
In this embodiment, the distance adjusting structure includes an adjusting screw 142 and a nut sleeve 143, one end of the adjusting screw 142 is inserted through the outer frame 11 and rotatably connected thereto, the other end of the adjusting screw 142 is inserted through the nut sleeve 143 and threadedly connected thereto, and the nut sleeve 143 is disposed in the middle of the inner frame 12. By rotating the adjusting screw rod 142 externally, the adjusting screw rod 142 and the outer frame 11 only rotate at the moment, and the rotation of the adjusting screw rod 142 drives the nut sleeve 143 and the inner frame 12 to move horizontally to realize distance adjustment, so that the position of the ultrasonic detection assembly can be adjusted conveniently after the steel rail flaw detector is erected on a rail.
In this embodiment, the distance adjusting structure further includes an adjusting handwheel 141, and the adjusting handwheel 141 is mounted at an end of the adjusting screw 142 for rotating the adjusting screw 142 more conveniently.
In this embodiment, the distance adjusting structure further includes at least one guide post 131 and a guide sleeve 132, the guide post 131 is mounted on the inner wall of the outer frame 11, the guide sleeve 132 is mounted on the inner frame 12, and the guide post 131 is disposed through the guide sleeve 132 and slidably connected thereto.
In this embodiment, the guide post 131 is disposed parallel to the adjusting screw 142.
In this embodiment, the outer frame 11 and the inner frame 12 are both made of aluminum alloy, and have excellent usability.
In this embodiment, the outer frame 11 and the inner frame 12 are both provided with a plurality of hollow holes, which provides a good weight reduction effect without affecting the structural strength.
In this embodiment, the number of the inner frames 12 is two, and the two inner frames are symmetrically disposed on two inner sides of the outer frame 11.
In this embodiment, the ultrasonic detection assembly includes a rail top detection portion, the rail top detection portion includes a plurality of first ultrasonic probes 211 arranged on the rail top (in this embodiment, four first ultrasonic probes 211 are selected to detect the rail top), and the plurality of first ultrasonic probes 211 are arranged in parallel with each other and are connected to the outer frame 11.
In this embodiment, the axis of each of the first ultrasonic probes 211 is perpendicular to the advancing direction of the rail probe.
In this embodiment, an intermediate plate 21 is provided between the first ultrasonic probe 211 and the outer frame 11, both ends of the intermediate plate 21 are connected to the outer frame 11, and each of the first ultrasonic probes 211 is connected to the intermediate plate 21.
In this embodiment, a first support frame is disposed between the first ultrasonic probe 211 and the middle plate 21, the first ultrasonic probe 211 is connected to the first support frame, and the first support frame is fixed on the middle plate 21.
In this embodiment, the ultrasonic detection assembly further includes a railhead detection portion, the railhead detection portion includes at least two second ultrasonic probes 221 respectively disposed on two side surfaces of the railhead (in this embodiment, two second ultrasonic probes 221 are selected to detect two side surfaces of the railhead), and each of the second ultrasonic probes 221 on two sides is respectively connected to the inner frame 12 on two sides.
In this embodiment, a second support frame 22 is provided between the second ultrasonic probe 221 and the inner frame 12, one end of the second support frame 22 is fixed inside the inner frame 12, and the other end is connected to the second ultrasonic probe 221.
In this embodiment, the ultrasonic detection assembly further includes a rail waist detection portion, the rail waist detection portion includes at least two third ultrasonic probes 231 respectively disposed on two side surfaces of the rail waist (in this embodiment, two third ultrasonic probes 231 are selected to detect two side surfaces of the rail waist), and the third ultrasonic probes 231 on two sides are respectively connected to the inner frames 12 on two sides.
In this embodiment, a third support frame 23 is provided between the third ultrasonic probe 231 and the inner frame 12, one end of the third support frame 23 is fixed inside the inner frame 12, and the other end is connected to the third ultrasonic probe 221.
In this embodiment, the ultrasonic detection assembly further includes a rail bottom detection portion, where the rail bottom detection portion includes at least two fourth ultrasonic probes 241 respectively disposed on two side surfaces of the rail bottom (in this embodiment, two fourth ultrasonic probes 241 are selected to detect two side surfaces of the rail bottom), and the fourth ultrasonic probes 241 on two sides are respectively connected to the outer frames 11 on two sides.
In this embodiment, a cross slide table 24 is disposed between the fourth ultrasonic probe 241 and the inner frame 12, one end of the cross slide table 24 is disposed on the outer frame 11, and the other end is connected to the fourth ultrasonic probe 241.
In this embodiment, the cross sliding table 24 includes a transverse moving mechanism and a vertical moving mechanism, the transverse moving mechanism is disposed on a frame of the steel rail flaw detector, the fourth ultrasonic probe 241 is disposed on the vertical moving mechanism, the vertical moving mechanism is connected with the transverse moving mechanism, the transverse moving mechanism drives the vertical moving mechanism to perform transverse movement, so as to complete the moving away and moving back actions of the fourth ultrasonic probe 241, and the vertical moving mechanism drives the fourth ultrasonic probe 241 to perform vertical movement, so as to complete the lifting and falling actions of the fourth ultrasonic probe 241.
In this embodiment, the lateral moving mechanism includes a first motor 2412, a first motor mounting plate 2411, a first lead screw 2413, and a first nut slide 2414, the first motor 2412 is mounted on the first motor mounting plate 2411, the first lead screw 2413 passes through the first motor mounting plate 2411 and is connected to an output shaft of the first motor 2412, the first nut slide 2414 is embedded inside the first motor mounting plate 2411 and is connected to the first lead screw 2413 through a thread, and is connected to the first motor mounting plate 2411 in a sliding manner, and the first nut slide 2414 is connected to the vertical moving mechanism.
In this embodiment, the traverse mechanism is connected to a housing (outer housing 11) of the rail flaw detector via the first motor mounting plate 2411.
In this embodiment, the lateral moving mechanism further includes a first slide rail 2415 disposed inside the first motor mounting plate 2411, and a first slide groove disposed on the first nut slide 2414, where the first slide rail 2415 is matched with the first slide groove in shape, so as to guide and limit the movement of the first nut slide 2414.
In this embodiment, the vertical moving mechanism includes a second motor 2422, a second motor mounting plate 2421, a second lead screw 2423, and a second nut slide 2424, the second motor 2422 is mounted on the second motor mounting plate 2421, the second lead screw 2423 is disposed through the second motor mounting plate 2421 and connected to an output shaft of the second motor 2422, and the second nut slide 2424 is embedded in the second motor mounting plate 2421, is in threaded connection with the second lead screw 2423, and is also in sliding connection with the second motor mounting plate 2421.
In this embodiment, the vertical moving mechanism further includes a second slide rail 2425 disposed inside the second motor mounting plate 2421, and a second slide groove disposed on the second nut slide 2424, where the second slide rail 2425 matches with the second slide groove in shape, so as to function as a guide and limit function for the movement of the second nut slide 2424.
In this embodiment, the cross sliding table for rail flaw detection further includes a connecting plate 243, one end of the connecting plate 243 is connected to the second nut slide 2424, and the other end is rotatably connected to the ultrasonic probe 244.
In this embodiment, the connection plate 243 and the second nut slide 2424, the second motor mounting plate 2421 and the first nut slide 2414, and the first motor mounting plate 2411 and the frame (outer frame 11) of the steel rail flaw detector are all fixedly connected by bolts.
In this embodiment, the supporting and limiting assembly includes a plurality of lower supporting guide wheels, and the lower supporting guide wheels are respectively installed at four corners inside the outer frame 11 for playing a role in walking and supporting and guiding.
In this embodiment, the lower support guide wheel includes a bottom guide wheel 331, a connection block 333, and a support rod 332, the connection block 333 is disposed on the outer frame 11, one end of the support rod 332 penetrates through the connection block 333, the position of the support rod relative to the connection block 333 is fixed by an external fixing member, and the other end is connected to a rotation shaft of the bottom guide wheel 331.
In this embodiment, the supporting and limiting assembly further includes a plurality of side limiting wheels, and the side limiting wheels are respectively disposed at the rail lower jaws on both sides (i.e., at the transition portion between the rail head side surface and the rail web side surface), and are connected to the outer frame 11.
In this embodiment, the number of the side limiting wheels is four, and the side limiting wheels are divided into two groups, each group is two, one group is located at the front end of the outer frame body 11 and includes a first side limiting wheel 31 and a second side limiting wheel 32, and the other group is located at the rear end of the outer frame body 11 and also includes a first side limiting wheel 31 and a second side limiting wheel 32. It should be noted that the second side limiting wheel 32 is different from the first side limiting wheel 31 in size, and the diameter of the second side limiting wheel 32 is slightly larger, which can be adaptively designed according to the size of the lower jaw of the two side rails.
In this embodiment, the first side limiting wheel 31 and the second side limiting wheel 32 have the same structure, and each of the first side limiting wheel 31 and the second side limiting wheel 32 includes a horizontal guide wheel 311, a connecting disc 312, and a fixing rod 313, the horizontal guide wheel 311 is rotatably connected with the connecting disc 312 through a rotating shaft, and the fixing rod 313 is disposed on the connecting disc 312 and connected with the outer frame 11. The horizontal guide wheels 311 on both sides contact with the surfaces of the lower jaws of the rails on both sides when the whole rail detector is propelled, so that the stability of the rail detector during movement can be effectively ensured, and the parallel pushing work of the rail detector is facilitated.
In this embodiment, a connecting rod bracket 314 is disposed between the fixing rod 313 and the outer frame 11, one end of the connecting rod bracket 314 is disposed on the outer frame 11, and the other end is connected to the fixing rod 313.
In this embodiment, the supporting and limiting assembly further includes at least two top supporting wheels, the top supporting wheels are installed at the front end and the rear end of the outer frame body 11, and the steel rail detecting instrument is in contact with the top supporting wheels and the surface of the rail top when being pushed, so that an effective supporting and limiting effect can be achieved, and the ultrasonic probe (the first ultrasonic probe 211) at the top is further prevented from being broken by extrusion.
In this embodiment, the top supporting wheel includes a grooved wheel 41, a fixing bracket 42, and a rotating shaft 43, the rotating shaft 43 is disposed through the grooved wheel 41, two ends of the rotating shaft are respectively connected to the fixing bracket 42, and the fixing bracket 42 is disposed on the outer frame 11.
In this embodiment, the sheave 41 is provided with a groove matching the shape of the rail top surface.
In the present embodiment, each ultrasonic probe is a wheel probe.
The working principle is as follows: in the using process, firstly, the whole steel rail flaw detector is erected on a rail to be detected, the inner frame bodies 12 are respectively positioned at two sides of the rail, each first ultrasonic probe 211 is contacted with the surface of a rail top, the fourth ultrasonic probes 241 are positioned at two sides of a rail bottom, so that four lower supporting guide wheels are also contacted with the upper surface of the rail bottom, then the adjusting hand wheel 141 is rotated to drive the nut sleeve 143 to rotate on the adjusting screw rod 142, the inner frame body 12 provided with the second ultrasonic probe 221 and the third ultrasonic probe 231 is slowly pushed to the rail until the second ultrasonic probe 221 and the third ultrasonic probe 231 reach a set detection position, then an operator pushes the steel rail flaw detector (which is normally operated) on the rail, and the ultrasonic probes at different positions are utilized to realize the omnibearing detection of the rail; when the railway sleeper reaches a railway sleeper, the first motor 2412 is controlled to drive the vertical moving mechanism to move outwards, so that the fourth ultrasonic probe 244 is far away from the inner side surface of the rail bottom, then the second motor 2422 is controlled to move upwards to drive the fourth ultrasonic probe 244 to be lifted, so that the steel rail flaw detector is controlled to move forwards, after the fourth ultrasonic probe 244 crosses the railway sleeper, the second motor 2422 is controlled to move downwards to drive the fourth ultrasonic probe 244 to fall down, then the first motor 2412 is controlled to drive the vertical moving mechanism to move inwards, so that the fourth ultrasonic probe 244 is returned to the original position, so that the steel rail flaw detector is controlled to continue to move forwards, and the flaw detection work is completed.
In summary, the detection frame body for the steel rail flaw detector can facilitate the adjustment of the position of the ultrasonic detection assembly after the steel rail flaw detector is erected on a track through the arranged adjustable frame body assembly; the ultrasonic detection assembly is arranged, so that the ultrasonic probes at different positions can be utilized to realize all-dimensional detection on the track; the supporting and limiting assembly can support, guide and limit the walking of the whole detection frame body, and the motion stability of the whole steel rail flaw detector is ensured; through the cross sliding table that sets up, can drive the ultrasonic transducer of rail bottom department and carry out horizontal and vertical removal work, and then can conveniently cross the sleeper.
Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.
Claims (8)
1. Adjustable frame body subassembly, its characterized in that: the ultrasonic probe comprises an outer frame body, an inner frame body and an interval adjusting structure, wherein the inner frame body is positioned in the outer frame body and is connected with the outer frame body through the interval adjusting structure, and the ultrasonic probe is arranged on the outer frame body and the inner frame body; the distance adjusting structure comprises an adjusting screw rod and a nut sleeve, one end of the adjusting screw rod penetrates through the outer frame body and is connected with the outer frame body in a rotating mode, the other end of the adjusting screw rod penetrates through the nut sleeve and is connected with the nut sleeve in a threaded mode, and the nut sleeve is arranged on the inner frame body.
2. The adjustable frame assembly of claim 1, wherein: the interval adjusting structure further comprises an adjusting hand wheel, and the adjusting hand wheel is arranged at the end part of the adjusting screw rod.
3. The adjustable frame assembly of claim 2, wherein: the spacing adjustment structure further comprises at least one guide pillar and a guide sleeve, the guide pillar is arranged on the outer frame body, the guide sleeve is arranged on the inner frame body, and the guide pillar penetrates through the guide sleeve and is connected with the guide sleeve in a sliding mode.
4. The adjustable frame assembly of claim 3, wherein: the guide post is arranged in parallel with the adjusting screw rod.
5. The adjustable frame assembly of claim 4, wherein: the outer frame body and the inner frame body are both made of aluminum alloy materials.
6. The adjustable frame assembly of claim 5, wherein: a plurality of hollow holes are formed in the outer frame body and the inner frame body.
7. The adjustable frame assembly of claim 6, wherein: the number of the inner frame bodies is two, and the inner frame bodies are symmetrically arranged on two sides of the inner part of the outer frame body respectively.
8. Rail flaw detector detects framework, its characterized in that: including an adjustable frame assembly as claimed in any one of claims 1 to 7, by which the position of the ultrasonic probe is adjusted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121781753.2U CN215833334U (en) | 2021-08-02 | 2021-08-02 | Adjustable frame assembly and steel rail flaw detector detection frame with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121781753.2U CN215833334U (en) | 2021-08-02 | 2021-08-02 | Adjustable frame assembly and steel rail flaw detector detection frame with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215833334U true CN215833334U (en) | 2022-02-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121781753.2U Active CN215833334U (en) | 2021-08-02 | 2021-08-02 | Adjustable frame assembly and steel rail flaw detector detection frame with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215833334U (en) |
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2021
- 2021-08-02 CN CN202121781753.2U patent/CN215833334U/en active Active
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