CN212228834U - Flaw detection support and ultrasonic flaw detector - Google Patents

Abstract

The utility model relates to a flaw detection support and ultrasonic flaw detector, the flaw detection support comprises a hanger component, a sliding rack component and a sliding shoe probe component, the hanger component comprises at least one hanger guide component, the hanger guide component comprises a guide shaft and a first spring, and the guide shaft is vertically arranged; the carriage assembly comprises a carriage plate assembly and at least one carriage guide assembly, the first spring and the carriage plate assembly are sleeved on the guide shaft, the carriage guide assembly comprises a guide shaft and a second spring, the guide shaft is horizontally fixed on the carriage plate assembly, and the second spring and the sliding shoe probe assembly are sleeved on the guide shaft. The beneficial effects are that: the sliding frame assembly ensures that the sliding shoe probe assembly is attached to the steel rail downwards. The slipper probe assembly can move horizontally along the guide shaft, so that the slipper probe assembly abuts against the steel rail from the side direction. The sliding shoe probe assembly is reliably attached to the preset flaw detection position of the steel rail all the time along with the curve change of the inner side surface of the steel rail.

Description

Flaw detection support and ultrasonic flaw detector

Technical Field

The utility model relates to an ultrasonic inspection field, concretely relates to support and ultrasonic flaw detector of detecting a flaw.

Background

The tramcar is a common urban rail transportation mode, and the majority of running lines of the tramcar adopt channel-section steel rails (such as a rail structure recorded in patent CN201310172048.6 or CN 201910694525.2), and compared with common I-shaped steel rails, the existing ultrasonic flaw detector or flaw detection bracket for the I-shaped steel rails cannot be attached to channel steel rails due to the different geometrical sizes of the channel-section steel rails, so that ultrasonic detection is inconvenient. Therefore, no nondestructive testing equipment special for the service line of the steel rail has been provided for a long time. Although the tramcar has the advantages of light load, low speed, long service life of the steel rail and the like, because the flange of the train always runs along the special rail groove of the groove-shaped steel rail, the snake-shaped swing of the left and the right of the train in the running process is also completed by the interaction of the flange of the wheel and the main stress point of the rail head (the outer part of the rail groove in the rail head), if the tramcar is heard at will, the detection of flaw detection is not carried out on the groove-shaped steel rail, the traffic safety of urban rails is threatened, and certain potential safety hazards are inevitably existed.

Based on the above consideration, it is a trend of industry development to develop a double-rail type channel rail flaw detector for ultrasonic flaw detection of channel steel rails, and a flaw detection support for the double-rail type channel rail flaw detector becomes a key point. The utility model provides a support of detecting a flaw for double track formula cell type rail ultrasonic flaw detector to fill the blank in this cell type rail field of detecting a flaw.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem of how to detect a flaw to double track formula groove rail.

The utility model provides an above-mentioned technical problem's technical scheme as follows: a flaw detection bracket, which comprises a hanger component, a sliding bracket component and a sliding shoe probe component,

the hanger assembly comprises at least one hanger guide assembly, the hanger guide assembly comprises a guide shaft and a first spring, and the guide shaft is vertically arranged;

the carriage assembly comprises a carriage plate assembly and at least one carriage guide assembly, a first spring and the carriage plate assembly are sleeved on the guide shaft, the first spring is used for applying a downward force to the carriage plate assembly, the carriage guide assembly comprises a guide shaft and a second spring, the guide shaft is horizontally fixed on the carriage plate assembly, the second spring and the sliding shoe probe assembly are sleeved on the guide shaft, and the second spring is used for applying a force towards one side of the flaw detection support to the sliding shoe probe assembly.

The utility model has the advantages that: the sliding frame assembly can slide up and down along the guide shaft, and the first spring applies downward force to the sliding frame assembly, so that the sliding frame assembly with the sliding shoe probe assembly is automatically adjusted along the longitudinal direction of the guide shaft, and the sliding shoe probe assembly is guaranteed to be attached to the steel rail downwards. The sliding shoe probe assembly can move horizontally along the guide shaft, and the second spring applies force to the sliding shoe probe assembly towards one side of the flaw detection bracket, so that the sliding shoe probe assembly abuts against the steel rail from the side direction. The sliding shoe probe assembly is reliably attached to the preset flaw detection position of the steel rail all the time along with the curve change of the inner side surface of the steel rail.

On the basis of the technical scheme, the utility model discloses can also do following improvement.

Further, the hanger subassembly still includes the hanger plate, the both ends of guide shaft with hanger plate fixed connection, it hits the piece to have set firmly the locking on the balladeur train board subassembly, the safety lock has set firmly on the hanger plate, the balladeur train subassembly can be followed the guide shaft slides to the position of detecting a flaw or the position of detecting a flaw, and is in the position of detecting a flaw of non-, the locking hit the piece with safety lock detachable joint.

The beneficial effect of adopting the further scheme is that: in the non-flaw detection position, the locking collision block is clamped with the safety lock, so that the sliding shoe probe assembly is far away from the steel rail, and the collision and damage are avoided.

Further, the sliding frame assembly further comprises a retractable handle and a retractable shaft, a retractable handle pin shaft is further fixed on the hanger plate, the middle of the retractable handle is hinged to the retractable shaft, the retractable shaft is vertically installed on the sliding frame plate assembly, a strip-shaped limiting groove is formed in one end of the retractable handle, and the limiting groove is sleeved outside the retractable handle pin shaft in a sliding mode.

The beneficial effect of adopting the further scheme is that: the position of the sliding frame assembly is adjusted through the retractable handle, the limit groove of the retractable handle is positioned at one end of the retractable handle, and the retractable handle can be rotated around the hinged part by pulling the other end of the retractable handle, so that the sliding frame assembly is lifted or put down for changing the working state of the sliding frame assembly, and the operation is labor-saving.

Further, in the flaw detection position, the retractable handle is detachably connected with the hanging rack plate.

The beneficial effect of adopting the further scheme is that: when flaw detection is carried out, the retractable handle is prevented from moving randomly, the retractable handle is connected to the hanger plate, and when the retractable handle is required to be used for switching states, the retractable handle is disconnected from the hanger plate.

The servo retractable rack assembly is fixed on the sliding shoe probe assembly, the retractable shaft is rotatably arranged on the sliding rack plate assembly, and a retractable cam is fixed on the retractable shaft; in the non-flaw detection position, the retraction cam is abutted against the follow-up retraction frame group, the sliding shoe probe assembly is close to one side of the flaw detection support, and the retraction handle pin shaft is positioned in the limiting groove; and in the flaw detection position, the retractable cam is separated from the follow-up retractable frame group.

The beneficial effect of adopting the further scheme is that: the retraction cam is matched with the follow-up retraction frame group, and the sliding shoe probe assembly is retracted inwards in the process of switching to the non-flaw detection position, so that the probe is prevented from being collided during non-flaw detection.

Further, the piston shoe probe assembly comprises a probe sliding frame assembly, a walking wheel and a probe assembly, the probe sliding frame assembly is sleeved on the guide shaft, the walking wheel is at least one and can be rotatably arranged on the probe sliding frame assembly, the probe assembly is at least one and is arranged on the probe sliding frame assembly.

The beneficial effect of adopting the further scheme is that: through setting up a plurality of probe assembly, realize the full coverage detection to the cell type rail.

Furthermore, the probe assembly comprises a probe spring assembly, a probe mounting assembly and a probe, the probe sliding frame assembly is provided with a vertical strip-shaped probe guide hole, the probe mounting assembly is slidably arranged in the probe guide hole, the probe is fixedly arranged on the probe mounting assembly, and the probe spring assembly is fixedly arranged on the probe sliding frame assembly and applies downward force to the probe mounting assembly.

The beneficial effect of adopting the further scheme is that: the probe spring assembly presses down the probe mounting assembly, so that the probe always clings to the steel rail.

Further, the probe installation component comprises a probe hanger, a probe guide block, a probe guide shaft and a probe adjusting shaft, wherein the probe guide block slides up and down in the probe guide hole, the probe guide shaft and the probe adjusting shaft are horizontally arranged, the probe guide shaft is fixedly connected with the probe guide block, the probe adjusting shaft is rotatably connected onto the probe guide block, the probe hanger is in threaded transmission with the probe adjusting shaft and is in sliding connection with the probe guide shaft, and the probe is fixedly connected onto the probe hanger.

The beneficial effect of adopting the further scheme is that: the probe hanging frame can move transversely, and the distance between the probe and the steel rail in the horizontal direction can be adjusted.

Furthermore, the skid shoe probe assembly further comprises at least one follow-up guide assembly, and the follow-up guide assembly is fixedly arranged on the probe carriage assembly and is positioned on one side of the flaw detection support.

The beneficial effect of adopting the further scheme is that: when flaw detection is carried out, the follow-up guide assembly is arranged in the groove-shaped rail groove, and when the flaw detection support moves along the rail, the follow-up guide assembly is attached to the inner side surface of the rail groove to provide guidance, so that the flaw detection support can smoothly pass through a turnout.

The beneficial effects of the utility model reside in that: the flaw detection support has the functions of longitudinal limiting, longitudinal automatic adjustment, transverse guiding follow-up and probe position adjustment. The method is used for solving the problem that the sliding shoe type probe is not tightly attached to the rail head of the channel steel rail due to the fact that the overall dimension of the channel steel rail is irregular, and therefore the flaw detection effect is affected. The flaw detection support enables the probe to be reliably attached to a preset flaw detection position of the steel rail all the time along with the curve change of the inner side surface of the steel rail, and the guide mechanism of the follow-up part enables the probe to smoothly pass through the turnout. The probe can be quickly lifted away from the top surface of the steel rail under the non-working state to avoid collision and damage.

An ultrasonic flaw detector comprises the flaw detection support.

Further, the ultrasonic flaw detector comprises a flaw detector frame, the number of the flaw detection supports is two, and the two flaw detection supports are fixedly arranged on two sides of the flaw detector frame respectively. Specifically, the hanger plate is fixedly connected with the flaw detector rack.

The utility model discloses a support of detecting a flaw is particularly useful for double track formula channel rail appearance of detecting a flaw of channel rail ultrasonic flaw usefulness.

Drawings

FIG. 1 is a three-dimensional view of the flaw detection support of the present invention;

FIG. 2 is a view of the hanger assembly of the present invention;

FIG. 3 is a block diagram of the carriage assembly of the present invention;

FIG. 4 is a structural view of the retractable handle of the present invention;

FIG. 5 is a schematic diagram of the slipper probe assembly of the present invention;

FIG. 6 is a schematic diagram of the probe carriage assembly of the present invention;

FIG. 7 is a schematic diagram of the probe assembly of the present invention in the 37-0-37 configuration;

FIG. 8 is a block diagram of the probe assembly of the present invention 70-70;

FIG. 9 is a block diagram of the 70 degree angle probe assembly of the present invention;

fig. 10 is a structural diagram of the travelling wheel of the utility model;

fig. 11 is a structural diagram of the follow-up guide assembly of the present invention;

fig. 12 is a structural view of a side guide wheel assembly of the present invention;

FIG. 13 is a schematic view of a brush assembly according to the present invention;

fig. 14 is a structural diagram of the servo retractable frame set of the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

100. a hanger component 101, a guide shaft 102, a first spring 103, a hanger plate 104, a safety lock 105, a handle pin shaft 106, a knob screw 107, a lock rack 108, a magnet 109, a guide shaft support 110, a first gasket,

200. a carriage assembly 201, a guide shaft 202, a second spring 203, a locking collision block 204, a receiving handle 205, a receiving shaft 206, a receiving cam 207, an inner carriage plate 208, a linear bearing fixing seat assembly 209, a carriage plate fixing shaft 210, a water supply pipe 211, an outer carriage plate 212 and a handle absorption block,

300. a sliding shoe probe component 301, a probe sliding frame component 3011, a probe inner sliding frame 3012, a probe outer sliding frame 302, a walking wheel 3021, a walking wheel shaft 3022, a walking wheel bearing 303, a probe component 3031, a probe component 37-0-37, a probe component 3032, a probe 70-70, a probe assembly 3033, a 70-degree angle probe component 304, a probe hanger 305, a probe guide block 306, a probe guide shaft 307, a probe adjusting shaft 308, a probe 309, a follow-up guide component 3091, a guide block 3092, a side guide wheel component 310, a branching box 311, a brush assembly 3111, a connecting plate 3112, a brush 3113, a brush baffle 312, a sliding sleeve 313, a probe upper spring seat, 314, a probe fixing frame 315, an adjusting handle 316, a guide shoe 317 and a probe pipe joint adapter

400. Follow-up retractable frame set.

Detailed Description

The principles and features of the present invention are described below, with the examples being given only for the purpose of illustration and not for the purpose of limiting the scope of the invention.

As shown in fig. 1-14, the present embodiment provides an inspection support, comprising a hanger assembly 100, a carriage assembly 200 and a skid shoe probe assembly 300,

the hanger assembly 100 comprises at least one hanger guide assembly, the hanger guide assembly comprises a guide shaft 101 and a first spring 102, and the guide shaft 101 is vertically arranged;

the carriage assembly 200 comprises a carriage plate assembly and at least one carriage guide assembly, the first spring 102 and the carriage plate assembly are sleeved on the guide shaft 101, the first spring 102 applies a downward force to the carriage plate assembly, the carriage guide assembly comprises a guide shaft 201 and a second spring 202, the guide shaft 201 is horizontally fixed on the carriage plate assembly, the second spring 202 and the skid shoe probe assembly 300 are sleeved on the guide shaft 201, and the second spring 202 applies a force towards one side of the flaw detection bracket to the skid shoe probe assembly 300.

Specifically, work as the support of detecting a flaw is equipped with two, and two when the support one-to-one of detecting a flaw was located two parallel rails, two the relative one side of support of detecting a flaw is called the inboard, two the one side that the support of detecting a flaw carried on the back mutually is called the outside. Specifically, the second spring 202 applies a force to the skid shoe probe assembly 300 toward the inside of the inspection rack.

When the existing ultrasonic flaw detector detects the I-shaped steel rail, the detection can be completed only by attaching the probe wheel or the probe to the top surface of the rail head and ensuring the structural symmetry of the I-shaped steel, and when the flaw detector moves along the rail, the probe of the flaw detector moves along the upper part of the rail along with the rail, so that the detection is convenient. For the groove-shaped steel rail, the structure is asymmetric, the probe is required to move along the steel rail during detection, the probe is required to be attached to the inner side of the rail groove to detect the damage of the rail head, and the position of the probe in the rail groove cannot be guaranteed by adopting the conventional ultrasonic flaw detection equipment. In this embodiment, the carriage assembly can slide up and down along the guide shaft 101, and the first spring 102 applies downward pressure to the carriage assembly, so that the carriage assembly with the slipper probe assembly 300 is automatically adjusted along the longitudinal direction of the guide shaft 101, and the slipper probe assembly 300 is ensured to be attached to the steel rail downward. The skid shoe probe assembly 300 can move horizontally along the guide shaft 201, and the second spring 202 applies force to the skid shoe probe assembly 300 towards the inner side of the flaw detection bracket, so that the skid shoe probe assembly 300 abuts against a steel rail from the side direction. The sliding shoe probe assembly 300 is reliably attached to the preset flaw detection position of the steel rail all the time along with the curve change of the inner side surface of the steel rail groove.

As a further scheme of this embodiment, the hanger assembly 100 further includes a hanger plate 103, two ends of the guide shaft 101 are fixedly connected to the hanger plate 103, the carriage plate assembly is fixedly provided with a locking collision block 203, the hanger plate 103 is fixedly provided with a safety lock 104, the carriage assembly 200 can slide to a flaw detection position or a non-flaw detection position along the guide shaft 101, and in the non-flaw detection position, the locking collision block 203 is detachably engaged with the safety lock 104.

Specifically, as shown in fig. 1 and 2, the hanger assembly 100 further includes guide shaft supports 109, both ends of the guide shaft 101 are respectively fixed to the two guide shaft supports 109, and the guide shaft supports 109 are fixedly connected to the hanger plate 103. The first spring 102, the first gasket 110 and the sliding frame plate assembly are sequentially sleeved on the guide shaft 101 from top to bottom. More specifically, two guide shafts 101 are provided.

Specifically, the guide shaft 101 is fixedly arranged on the outer side of the hanger plate 103.

Specifically, as shown in fig. 2, the hanger assembly 100 further includes a lock frame 107, the lock frame 107 is fixedly connected to the hanger plate 103, and the safety lock 104 is fixed to the lock frame 107.

Specifically, as shown in fig. 2, the safety lock 104 has an inclined latch, when the safety lock is switched to the non-inspection position, the carriage plate assembly is lifted upwards, the locking collision block 203 on the carriage plate assembly moves upwards along with the inclined latch, the latch of the safety lock 104 is pushed into the shell of the safety lock 104, the locking collision block 203 continues to move upwards, the latch of the safety lock 104 is popped up again under the action of the latch spring and blocks the locking collision block 203, and the carriage plate assembly is prevented from falling down. When the switch is switched to the flaw detection position, the knob of the safety lock 103 is turned, the bolt is retracted, and the carriage plate assembly moves downwards under the action of gravity and the elastic force of the first spring 102 so as to cling to the track downwards. In the inspection position, the locking striker 203 is disengaged from the safety lock 104.

As a further scheme of this embodiment, the carriage assembly 200 further includes a retractable handle 204 and a retractable shaft 205, the hanger plate 103 is further fixed with a retractable handle pin 105, the middle of the retractable handle 204 is hinged to the retractable shaft 205, the retractable shaft 205 is vertically installed on the carriage plate assembly, one end of the retractable handle 204 is provided with a strip-shaped limiting groove, and the limiting groove is slidably sleeved outside the retractable handle pin 105.

Specifically, as shown in fig. 3, the carriage plate assembly includes an inner carriage plate 207, an outer carriage plate 211 and a carriage plate fixing shaft 209, the inner carriage plate 207 and the outer carriage plate 211 are both disposed parallel to the hanger plate 103, and both ends of the carriage plate fixing shaft 209 are respectively fixedly connected to the inner carriage plate 207 and the outer carriage plate 211. The carriage plate fixing shaft 209 is provided with at least one.

Specifically, the inner carriage plate 207 is sleeved on the guide shaft 101. Further, a linear bearing block assembly 208 is fixed on the inner carriage plate 207, and the guide shaft 101 is slidably disposed in the linear bearing block assembly 208. The number of the linear bearing block assemblies 208 and the number of the guide shafts 101 are two, and the linear bearing block assemblies 208 and the guide shafts 101 are arranged in a one-to-one correspondence manner.

Specifically, two ends of the guide shaft 201 in each of the carriage guide assemblies are respectively and fixedly connected with the inner carriage plate 207 and the outer carriage plate 211.

As a further aspect of the present embodiment, in the flaw detection position, the retractable handle 204 is detachably connected to the hanger plate 103.

Specifically, as shown in fig. 3 and 4, a magnet 108 is fixed on the hanger plate 103, a handle suction block 212 is fixed on the retractable handle 204, and the retractable handle 204 and the hanger plate 103 are detachably magnetically connected through the handle suction block 212 and the magnet 108.

Specifically, the magnet 108 may be an externally threaded polyurethane buffer magnet, or may be other common magnets.

In this embodiment, the retraction shaft 205 is fixedly connected to the inner carriage plate 207, the retraction handle 204 rotates in a vertical plane at the position shown in fig. 1, and the retraction handle pin 105 is perpendicular to the hanger plate 103 and extends from the hanger plate 103 to the outer side of the hanger plate 103. Or, preferably, as an alternative of this embodiment, the retracting shaft 205 is rotatably disposed on the inner carriage plate 207, as shown in fig. 2, the retracting handle pin 105 is horizontally fixed to the front end or the rear end of the hanger plate 103, and extends forward or backward from the end of the hanger plate 103, and in the non-flaw detection position, the retracting handle 204 rotates until the limiting groove is slidably sleeved outside the retracting handle pin 105; in the flaw detection position, the retractable handle 204 is rotated to the magnetic attraction connection between the handle attraction block 212 and the magnet 108. Or, in the above alternative, on the basis of fig. 2, the installation positions of the retractable handle pin 105 and the magnet 108 may be exchanged, that is, the retractable handle pin 105 is fixedly arranged on the outer side of the hanger plate 103, and the magnet 108 is fixedly arranged at the front end or the rear end of the hanger plate 103.

As a further scheme of the embodiment, the device further comprises a follow-up retractable frame set 400 fixed on the slipper probe assembly 300, wherein the retractable shaft 205 is rotatably mounted on the carriage plate assembly, and a retractable cam 206 is further fixed on the retractable shaft 205; in the non-flaw detection position, the retractable cam 206 is abutted against the follow-up retractable frame group 400, the sliding shoe probe assembly 300 is close to one side of the flaw detection bracket, and the retractable handle pin shaft 105 is positioned in the limit groove; in the inspection position, the retractable cam 206 is separated from the follower retractable rack set 400.

Specifically, the retraction cam 206 is eccentrically fixed to the lower end of the retraction shaft 205. The servo jack assembly 400 is secured to the inside of the slipper probe assembly 300.

Specifically, as shown in fig. 1 and 14, the servo retractable frame assembly 400 is a frame shaped like a Chinese character 'ji', and two ends of the servo retractable frame assembly are fixedly connected to the slipper probe assembly 300. In the process of switching to the non-flaw detection position, the retracting handle 204 rotates 90 degrees by taking the center line of the retracting shaft 205 as a center, and the retracting cam 206 abuts against the follow-up retracting frame set 400 and pushes the follow-up retracting frame set to move transversely.

As a further scheme of this embodiment, the skid shoe probe assembly 300 includes a probe carriage assembly 301, at least one traveling wheel 302 and a probe assembly 303, the probe carriage assembly 301 is sleeved on the guide shaft 201, the traveling wheels 302 are at least one and can be rotatably disposed on the probe carriage assembly 301, and the probe assembly 303 is at least one and is all mounted on the probe carriage assembly 301.

Specifically, as shown in fig. 5 and 6, the probe carriage assembly 301 includes a probe inner carriage 3011 and a probe outer carriage 3012, the probe inner carriage 3011 and the probe outer carriage 3012 are respectively fixed at two ends of the sliding sleeve 312, the sliding sleeve 312 is provided with a plurality of sliding sleeves 312, and the sliding sleeves 312 and the guide shafts 201 are arranged in a one-to-one correspondence and sleeved outside the guide shafts 201. As one of the embodiments, both ends of the second spring 202 respectively abut against the probe outer carriage 3012 and the outer carriage plate 211, and the elastic force of the second spring 202 pushes the probe carriage assembly 301 toward the inside of the flaw detection rack. As another aspect of this embodiment, two ends of the second spring 202 are fixedly connected to the probe inner slide 3011 and the inner slide plate 207, respectively, and the tension of the second spring 202 causes the probe slide assembly 301 to move toward the inside of the flaw detection bracket.

Specifically, as shown in fig. 10, the road wheel 302 includes a road wheel shaft 3021, a road wheel bearing 3022, and a road wheel main body, and the road wheel main body is rotatably sleeved on the road wheel shaft 3021 through the road wheel bearing 3022.

As a further scheme of this embodiment, the probe assembly 303 includes a probe spring assembly, a probe mounting assembly and a probe 308, the probe carriage assembly 301 has a vertical strip-shaped probe guide hole, the probe mounting assembly is slidably disposed in the probe guide hole, the probe 308 is fixedly disposed on the probe mounting assembly, and the probe spring assembly is fixedly disposed on the probe carriage assembly 301 and applies a downward force to the probe mounting assembly.

Specifically, as shown in fig. 5 and 7 to 9, in this embodiment, the probe 308 may be one or more of a 37-0-37 probe assembly 3031, a 70-70 probe assembly 3032, and a 70-degree oblique probe assembly 3033, so as to implement multi-angle and full-coverage detection. The sliding shoe probe assembly 300 further comprises at least one guide shoe 316 and a probe pipe joint 317, the number of the probe assemblies 303 is at least one, the number of the guide shoes 316 is at least one group corresponding to the probe assemblies 303, the number of the guide shoes 316 in each group is two, and the two guide shoes 316 are respectively fixed at the front end and the rear end of the probe 308, so that the probe is not damaged when passing through a rail gap. A water supply pipe 210 is further fixed on the carriage assembly 200, a probe pipe joint 317 is communicated with the water supply pipe 210, and the probe pipe joint 317 is used for spraying coupling liquid to a channel-type steel rail flaw detection area. Wherein the 37-0-37 probe assembly 3031 comprises a forward 37 ° probe, a 0 ° probe and another backward 37 ° probe which are sequentially fixed together. The 70-70 probe assembly 3032 includes two 70 ° probes. The ultrasonic wave secondary reflection wave detection device is characterized in that a multi-angle probe assembly is arranged, full-coverage detection of the waist of the grooved steel rail and the projection area to the rail bottom is achieved through ultrasonic primary waves, and full-coverage detection of nuclear damage of the head of the grooved steel rail is achieved through ultrasonic secondary reflection waves.

As a further scheme of this embodiment, the probe mounting assembly includes a probe hanger 304, a probe guide block 305, a probe guide shaft 306, and a probe adjustment shaft 307, the probe guide block 305 slides up and down in the probe guide hole, the probe guide shaft 306 and the probe adjustment shaft 307 are both horizontally disposed, the probe guide shaft 306 is fixedly connected to the probe guide block 305, the probe adjustment shaft 307 is rotatably connected to the probe guide block 305, the probe hanger 304 is in threaded transmission with the probe adjustment shaft 307 and is in sliding connection with the probe guide shaft 306, and the probe 308 is fixedly connected to the probe hanger 304.

Specifically, two probe guide blocks 305 are arranged in each probe assembly 303, corresponding probe guide holes are formed in the probe inner sliding frame 3011 and the probe outer sliding frame 3012, and the two probe assemblies 303 are respectively arranged in the two probe guide holes. Two ends of the probe guide shaft 306 are respectively and fixedly connected with the two probe guide blocks 305, and two ends of the probe adjustment shaft 307 are respectively and rotatably connected to the two probe guide blocks 305.

Specifically, a probe fixing frame 314 is fixedly arranged at the lower end of the probe hanging frame 304, and the probe 308 is fixed on the probe fixing frame 314.

Specifically, the probe spring assembly comprises a probe spring, a probe upper spring seat 313 and a probe lower spring seat, two ends of the probe spring are respectively and fixedly connected with the probe upper spring seat 313 and the probe lower spring seat, the probe upper spring seat 313 is fixed above or below the probe guide hole, and the probe lower spring seat is fixedly connected with the probe guide block 305.

Specifically, an adjusting handle 315 is fixedly disposed at one end of the probe adjusting shaft 307. The probe adjusting shaft 307 can be driven to rotate by rotating the adjusting handle 315, so that the probe hanger 304 moves horizontally along the probe adjusting shaft 307 and the probe guide shaft 306, and further the transverse position of the probe 308 is adjusted, so that the probe 308 moves towards the inside or the outside of the flaw detection bracket.

As a further scheme of this embodiment, the sliding shoe probe assembly 300 further includes at least one following guide assembly 309, and the following guide assembly 309 is fixedly disposed on the probe carriage assembly 301 and is located at one side of the flaw detection bracket.

Specifically, the follow-up guide assembly 309 is fixed to the probe inner carriage 3011.

Specifically, as shown in fig. 5, 11 and 12, follow-up guide assembly 309 includes guide block 3091 and side guide wheel assembly 3092, side guide wheel assembly 3092 is two, and rotatable the installing in respectively the both ends of guide block 3091, every side guide wheel assembly 3092 includes side guide shaft and side guide wheel, the side guide shaft with guide block 3091 fixed connection, the side guide wheel passes through the bearing housing and locates on the side guide shaft.

As a further aspect of this embodiment, the slipper probe assembly 300 further comprises a junction box 310, wherein the junction box 310 is fixed to the probe carriage assembly 301 and is configured to receive an electrical wire or cable.

As a further scheme of this embodiment, as shown in fig. 5 and 13, the sliding shoe probe assembly 300 further includes two brush assemblies 311, where the two brush assemblies 311 are respectively disposed at the front end and the rear end of the probe carriage assembly 301. Brush assembly body 311 includes connecting plate 3111, brush 3112 and brush baffle 3113, connecting plate 3111 with probe carriage subassembly 301 fixed connection, brush 3112 is fixed in connecting plate 3111's below, brush baffle 3113 with connecting plate 3111 fixed connection, and shelter from in brush 3112 moves towards one side of walking wheel 302, brush 3112 is used for cleaning the dust of rail inslot, avoids causing the influence to ultrasonic detection.

The utility model discloses a support's of detecting a flaw working process as follows:

as shown in fig. 1, when performing flaw detection, the retractable handle 204 is placed parallel to the rack plate 103 and attracted to the magnet 108 on the rack plate 103 by the handle attraction block 212. The adjustment handle 315 is manually rotated to enable each probe 308 to linearly move along the probe guide shaft 306, thereby adjusting the transverse attachment position of the probe 308 on the rail head of the channel steel rail. The flaw detection support moves along the grooved steel rail, the probe 308 is tightly attached to the steel rail downwards due to the probe spring assembly and the first spring 102, meanwhile, the sliding shoe probe assembly 300 is tightly attached to the inner side of the steel rail groove due to the second spring 202, the probe is tightly attached to the flaw detection position of the steel rail all the time, and the flaw detection effect is guaranteed.

After the flaw detection work is finished, in the top view angle of fig. 1, the retraction handle 204 is rotated clockwise by 90 degrees, the limit groove of the retraction handle 204 is sleeved outside the retraction handle pin shaft 105 of the hanger plate 103, and meanwhile, the retraction cam 206 at the lower end of the retraction handle 204 can pull the follow-up retraction frame set 400, so that the sliding shoe probe assembly 300 is driven to move transversely. The retractable handle 204 is vertically pulled upwards, the retractable handle 204 rotates around a hinge joint with the retractable shaft 205 by taking the retractable handle pin shaft 105 as a guide, all parts except the hanger assembly 100 are further driven to move upwards, the locking collision block 203 fixed on the sliding frame assembly 200 also moves upwards at the moment until the locking collision block 203 pushes the lock tongue of the safety lock 104 on the hanger assembly 100 into the safety lock 104, the lock tongue continues to move upwards, the lock tongue of the safety lock 104 can automatically pop out again and be clamped in the positioning groove on the locking collision block 203 under the action of a spring of the safety lock 104, so that the sliding frame assembly 200 and the sliding shoe probe assembly 300 are lifted, and the damage caused by the fact that the probe collides with an obstacle when the flaw detection work is not performed is avoided.

The utility model discloses a support mounting of detecting a flaw is in double track formula cell type rail appearance both sides of detecting a flaw, and the regulatory function through carriage assembly 200 and piston shoe probe assembly 300 makes the probe 308 of each piston shoe formula adjust the preset of rail position of detecting a flaw respectively. In the flaw detection process, the following and vertical automatic adjusting functions of the sliding frame assembly 200 and the sliding shoe probe assembly 300 enable the probe to be reliably attached to the preset flaw detection position of the steel rail all the time along with the curve change of the inner side surface of the steel rail, and the following guide assembly 309 enables the probe to pass through smoothly when the probe passes through a turnout. When the flaw detection operation is stopped, the carriage assembly 200 and the sliding shoe probe assembly 300 can be lifted to the top surface of the rail head of the steel rail for a certain distance by the longitudinal limiting function of the locking collision block 203 and the safety lock 104, and further the damage caused by collision of the probe and the flaw detection support with an obstacle is avoided. Meanwhile, the flaw detection support is provided with a flaw detection coupling liquid supply pipeline, so that a flaw detection coupling agent can be sprayed for each probe, and the flaw detection effect is ensured.

The utility model discloses a support of detecting a flaw has vertical spacing, vertical automatically regulated, horizontal direction follow-up, probe position control's function, can effectively realize that the laminating of slide shoe formula probe and cell type rail railhead is detected a flaw, also can carry out the damage of avoiding colliding with from the rail top surface fast when out of work, is equipped with the water supply line who is used for providing coupling liquid simultaneously, provides the coupling liquid supply for detecting a flaw. The flaw detection support can be quickly hung on two sides of a medium-low speed double-track type grooved steel rail flaw detector, ultrasonic flaw detection of double-side grooved steel rails is achieved, flaw detection efficiency is improved, the development requirements of the industry are met, and the industry blank is filled.

The embodiment also provides an ultrasonic flaw detector which comprises the flaw detection support.

As a further scheme of this embodiment, the ultrasonic flaw detector includes a flaw detector frame, the number of flaw detection supports is two, and two flaw detection supports are respectively fixed in the both sides of flaw detector frame. Specifically, the hanger plate 103 is fixedly connected with the flaw detector rack through a knob screw 106.

Specifically, the ultrasonic flaw detector is a double-rail type groove rail flaw detector.

In the description of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims (10)

1. A flaw detection bracket is characterized by comprising a hanger assembly (100), a sliding bracket assembly (200) and a sliding shoe probe assembly (300),

the hanger assembly (100) comprises at least one hanger guide assembly, the hanger guide assembly comprises a guide shaft (101) and a first spring (102), and the guide shaft (101) is vertically arranged;

the sliding frame assembly (200) comprises a sliding frame plate assembly and at least one sliding frame guide assembly, the first spring (102) and the sliding frame plate assembly are sleeved on the guide shaft (101), the first spring (102) applies downward force to the sliding frame plate assembly, the sliding frame guide assembly comprises a guide shaft (201) and a second spring (202), the guide shaft (201) is horizontally fixed on the sliding frame plate assembly, the second spring (202) and the sliding shoe probe assembly (300) are sleeved on the guide shaft (201), and the second spring (202) applies force towards one side of the flaw detection support to the sliding shoe probe assembly (300).

2. The flaw detection bracket of claim 1, wherein the rack assembly (100) further comprises a rack plate (103), two ends of the guide shaft (101) are fixedly connected with the rack plate (103), a locking collision block (203) is fixedly arranged on the carriage plate assembly, a safety lock (104) is fixedly arranged on the rack plate (103), the rack assembly (200) can slide to a flaw detection position or a non-flaw detection position along the guide shaft (101), and in the non-flaw detection position, the locking collision block (203) is detachably clamped with the safety lock (104).

3. The flaw detection bracket according to claim 2, wherein the carriage assembly (200) further comprises a retracting handle (204) and a retracting shaft (205), a retracting handle pin shaft (105) is further fixed on the hanger plate (103), the middle of the retracting handle (204) is hinged to the retracting shaft (205), the retracting shaft (205) is vertically installed on the carriage plate assembly, one end of the retracting handle (204) is provided with a strip-shaped limiting groove, and the limiting groove is sleeved outside the retracting handle pin shaft (105) in a sliding manner.

4. A flaw detection stand according to claim 3, in which the retractable handle (204) is removably connected to the hanger plate (103) in the flaw detection position.

5. The flaw detection support of claim 4, further comprising a follower retractable rack set (400) fixed to the slipper probe assembly (300), wherein the retractable shaft (205) is rotatably mounted on the carriage plate assembly, and a retractable cam (206) is further fixed to the retractable shaft (205); in the non-flaw detection position, the retraction cam (206) is abutted against the follow-up retraction frame group (400), the sliding shoe probe assembly (300) is close to one side of the flaw detection bracket, and the retraction handle pin shaft (105) is positioned in the limit groove; in the flaw detection position, the retractable cam (206) is separated from the follow-up retractable rack group (400).

6. The flaw detection bracket of claim 1, wherein the skid shoe probe assembly (300) comprises a probe carriage assembly (301), at least one traveling wheel (302) and a probe assembly (303), the probe carriage assembly (301) is sleeved on the guide shaft (201), the traveling wheels (302) are rotatably arranged on the probe carriage assembly (301), and the probe assembly (303) is at least one and is mounted on the probe carriage assembly (301).

7. The flaw detection rack of claim 6, wherein the probe assembly (303) comprises a probe spring assembly, a probe mounting assembly and a probe (308), the probe carriage assembly (301) is provided with a vertically strip-shaped probe guide hole, the probe mounting assembly is slidably arranged in the probe guide hole, the probe (308) is fixedly arranged on the probe mounting assembly, and the probe spring assembly is fixedly arranged on the probe carriage assembly (301) and applies downward force to the probe mounting assembly.

8. The flaw detection bracket of claim 7, wherein the probe mounting assembly comprises a probe hanger (304), a probe guide block (305), a probe guide shaft (306), and a probe adjustment shaft (307), the probe guide block (305) slides up and down in the probe guide hole, the probe guide shaft (306) and the probe adjustment shaft (307) are both horizontally arranged, the probe guide shaft (306) is fixedly connected with the probe guide block (305), the probe adjustment shaft (307) is rotatably connected to the probe guide block (305), the probe hanger (304) is in threaded transmission with the probe adjustment shaft (307) and is in sliding connection with the probe guide shaft (306), and the probe (308) is fixedly connected to the probe hanger (304).

9. The flaw detection carriage of claim 6, wherein the skid shoe probe assembly (300) further comprises at least one follow-up guide assembly (309), and the follow-up guide assembly (309) is fixedly arranged on the probe carriage assembly (301) and is positioned on one side of the flaw detection carriage.

10. An ultrasonic flaw detector comprising the flaw detection support of any one of claims 1 to 9.

Images