Tool for dismounting rail flaw detector probe

Abstract

The application provides a rail flaw detector probe dismounting tool, and relates to the technical field of rail flaw detector maintenance equipment. The rail flaw detector probe dismounting tool comprises a nut sleeve and a screw rod driving shaft. The nut sleeve is of a hollow structure, and a limiting portion matched with a nut is arranged at the first end of the nut sleeve. The screw rod driving shaft is rotatably arranged in the interior of the nut sleeve, and the screw rod driving shaft can move along the axial direction of the nut sleeve relative to the nut sleeve. A screwdriver head for rotating a screw rod is arranged at the first end of the screw rod driving shaft. According to the technical scheme of the application, the work of a screwdriver and a wrench can be simultaneously completed, the number of tools required when the rail flaw detector probe is dismounted is reduced, and the process of dismounting the rail flaw detector probe is simplified.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of rail flaw detector maintenance equipment, in particular to a rail flaw detector probe dismounting tool. BACKGROUND

[0002] Currently, rail flaw detection is the main measure to detect internal defects of railway rails, and the quality of the operation is directly related to the safety of the train. The main equipment for rail flaw detection is a rail flaw detector, which is mostly analog and digital. The operation mode of the analog flaw detector is to alarm the wave, and the on-site operator mainly identifies the damage by listening to the alarm and looking at the A waveform; and the digital flaw detector displays the B image to assist the operator in identifying the damage.

[0003] When the rail flaw detector is maintained, the probe and the probe protective film need to be replaced. According to the frequency of use, the probe needs to be replaced every 3-6 months, and the probe protective film of the rail flaw detector needs to be replaced every 3-5 days or 3-5 times of operation. When replacing the probe protective film, the probe must be removed, and the probe is fixed on the probe holder by two probe fixing bolts, so the nut of one side of the fixing bolt must be loosened to remove the probe. The probe fixing bolt is composed of a one-word capless screw rod and a nut, and a one-word screwdriver and a small wrench are needed to disassemble, which is complicated. SUMMARY

[0004] In view of the above problems in the prior art, the present application provides a rail flaw detector probe dismounting tool to dismount the rail flaw detector probe and simplify the operation process.

[0005] The present application provides a rail flaw detector probe dismounting tool, which comprises:

[0006] A nut sleeve, which is a hollow structure, and a limiting portion matched with the nut is arranged at the first end of the nut sleeve; and

[0007] A screw rod driving shaft, which is rotatably installed in the interior of the nut sleeve, and the screw rod driving shaft can move along the axial direction of the nut sleeve relative to the nut sleeve, and a screwdriver head for rotating the screw rod is arranged at the first end of the screw rod driving shaft.

[0008] As a further improvement of the above technical solution:

[0009] The rail flaw detector probe dismounting tool described above, further, a first driving assembly for rotating the nut sleeve is installed on the outer side wall of the second end portion of the nut sleeve.

[0010] The rail flaw detector probe dismounting tool further comprises a first driving assembly, a second driving assembly and a third driving assembly.

[0011] The rail flaw detector probe dismounting tool further comprises that the first driving handle comprises a driving rod and a hand-held protrusion, the first end of the driving rod is rotatably installed on the first mounting seat, and the hand-held protrusion is arranged on the side wall of the second end of the driving rod.

[0012] The rail flaw detector probe dismounting tool further comprises that the second end of the screw rod driving shaft is provided with the second driving assembly for rotating the screw rod driving shaft.

[0013] The rail flaw detector probe dismounting tool further comprises at least two rolling bearings, the rolling bearings are arranged on the inner wall of the nut sleeve in a spaced manner, the screw rod driving shaft is arranged in the rolling bearings, and the screw rod driving shaft can move along the axial direction of the nut sleeve relative to the rolling bearings.

[0014] The rail flaw detector probe dismounting tool further comprises that the outer side wall of the screw rod driving shaft is provided with a plurality of limiting protrusions arranged in an axial direction in a spaced manner, and the rolling bearings move between adjacent two limiting protrusions.

[0015] The rail flaw detector probe dismounting tool further comprises that the distance between adjacent two limiting protrusions is 8mm to 12mm.

[0016] The rail flaw detector probe dismounting tool further comprises that the limiting portion is a limiting hole with a cross-sectional shape matched with the nut shape, and the screwdriver head corresponds to the limiting hole.

[0017] The rail flaw detector probe dismounting tool further comprises that the second end of the screw rod driving shaft is provided with a rotating block, the outer wall of the rotating block is matched with the inner wall of the nut sleeve, and the rotating block protrudes from the second end of the nut sleeve.

[0018] The above technical features can be combined in various suitable manners or replaced by equivalent technical features, as long as the purpose of the present application can be achieved.

[0019] Compared with the prior art, the rail flaw detector probe dismounting tool has at least the following beneficial effects: when the rail flaw detector probe is dismounted, first, the screwdriver head at the first end of the screw rod driving shaft is matched with the screw rod of the probe fixing bolt, then the limiting portion at the first end of the nut sleeve is matched with the nut of the probe fixing bolt, the screw rod driving shaft is kept stationary, the nut of the probe fixing bolt is loosened to a certain position compared with the screw rod of the probe fixing bolt by rotating the nut sleeve, finally, the screw rod of the probe fixing bolt is dismounted from the probe support by rotating the screw rod driving shaft, and the rail flaw detector probe is finally dismounted from the probe support; when the rail flaw detector probe is mounted, first, the screwdriver head at the first end of the screw rod driving shaft is matched with the screw rod of the probe fixing bolt, and the screw rod of the probe fixing bolt is mounted to a suitable position of the probe support by rotating the screw rod driving shaft, then the limiting portion at the first end of the nut sleeve is matched with the nut of the probe fixing bolt, the screw rod driving shaft is kept stationary, the nut of the probe fixing bolt is tightened to a suitable position compared with the screw rod of the probe fixing bolt by rotating the nut sleeve, and the mounting of the rail flaw detector probe is completed. The rail flaw detector probe dismounting tool can simultaneously complete the work of a screwdriver and a wrench, reduces the number of tools required when the rail flaw detector probe is dismounted, and simplifies the process of dismounting the rail flaw detector probe.

[0020] In order to make the above objectives, characteristics and advantages of the present application more apparent and easy to understand, a preferred embodiment is specifically described below, and the accompanying drawings are referred to, and the detailed description is as follows. BRIEF DESCRIPTION OF DRAWINGS

[0021] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings needed to be used in the embodiments will be briefly introduced below, and it should be understood that the following drawings only show some of the embodiments of the present application, and should not be regarded as a limitation on the scope, and other related drawings can be obtained by those of ordinary skill in the art without creative labor on the basis of these drawings.

[0022] The present application will be described in more detail below based on the embodiments and with reference to the accompanying drawings. Among them:

[0023] Figure 1 The structure schematic diagram of the rail flaw detector probe dismounting tool provided by the embodiment of the present application is shown;

[0024] Figure 2 The structure schematic diagram of the rail flaw detector probe dismounting tool provided by the embodiment of the present application is shown; Figure 1 The sectional view of A-A section in the rail flaw detector probe dismounting tool provided by the embodiment of the present application is shown;

[0025] Figure 3 The structure schematic diagram of the nut sleeve of the rail flaw detector probe dismounting tool provided by the embodiment of the present application is shown; and

[0026] Figure 4 Fig. 1 shows a structural schematic diagram of a screw drive shaft of a rail flaw detector probe dismounting tool according to an embodiment of the present application.

[0027] In the drawings, the same or similar components are denoted by the same reference numerals. The drawings are not drawn according to the actual proportions.

[0028] Reference numerals:

[0029] 100 - rail flaw detector probe dismounting tool; 110 - nut sleeve; 111 - limiting portion; 120 - screw drive shaft; 121 - screwdriver head; 122 - limiting protrusion; 123 - rotating block; 130 - first driving assembly; 131 - first mounting seat; 132 - first driving handle; 133 - driving rod; 134 - hand holding protrusion; 140 - second driving assembly; 150 - rolling bearing. DETAILED DESCRIPTION

[0030] Embodiments of the present application are described in detail below with reference to the accompanying drawings, in which examples of the embodiments are shown, wherein the same or similar notations are used to denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary, and are only used to explain the present application, and cannot be understood as a limitation of the present application.

[0031] In the description of the present application, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only used to facilitate the description of the present application and simplify the description, and therefore cannot be understood as indicating or implying that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation of the present application.

[0032] In addition, the terms "first", "second" are only used for description purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features defined with "first", "second" can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "a plurality of" is two or more, unless otherwise specifically limited.

[0033] In the present application, unless specifically defined and limited otherwise, the terms "mounting", "connected", "connection", "fixed", and the like, should be interpreted broadly, for example, can be fixed connection, can also be detachable connection, or integral; can be mechanical connection, can also be electrical connection; can be directly connected, can also be indirectly connected through an intermediate medium, can be internal communication of two elements or interaction relationship between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0034] In the present application, unless specifically defined and limited otherwise, the first feature is "on" or "under" the second feature. The first and second features can be in direct contact, or the first and second features can be in indirect contact through an intermediate medium. Moreover, the first feature "above", "over" and "on" the second feature can be that the first feature is directly above or obliquely above the second feature, or only indicates that the horizontal height of the first feature is higher than that of the second feature. The first feature "below", "under" and "under" the second feature can be that the first feature is directly below or obliquely below the second feature, or only indicates that the horizontal height of the first feature is less than that of the second feature.

[0035] The present application will be further described below with reference to the accompanying drawings.

[0036] The embodiment of the present application provides a rail flaw detector probe dismounting tool 100 to dismount the rail flaw detector probe, and simplifies the operation process.

[0037] Please refer to Figures 1 to 4 The rail flaw detector probe dismounting tool 100 provided by the embodiment of the present application, the rail flaw detector probe dismounting tool 100 includes a nut sleeve 110 and a screw drive shaft 120, the nut sleeve 110 is a hollow structure, and the first end of the nut sleeve 110 is provided with a limiting portion 111 matched with the nut; the screw drive shaft 120 is rotatably installed in the inside of the nut sleeve 110, and the screw drive shaft 120 can move along the axial direction of the nut sleeve 110 relative to the nut sleeve 110, and the first end of the screw drive shaft 120 is provided with a screwdriver bit 121 used for rotating the screw rod.

[0038] When dismounting the rail flaw detector probe, first, the screwdriver bit 121 at the first end of the screw drive shaft 120 is matched with the screw rod of the probe fixing bolt, then the limiting portion 111 at the first end of the nut sleeve 110 is matched with the nut of the probe fixing bolt, the screw drive shaft 120 is kept stationary, the nut sleeve 110 is rotated to loosen the nut of the probe fixing bolt to a certain position relative to the screw rod of the probe fixing bolt, finally the screw drive shaft 120 is rotated to dismount the screw rod of the probe fixing bolt from the probe support, and finally the rail flaw detector probe is dismounted from the probe support.

[0039] When installing the rail flaw detector probe, first, the screwdriver bit 121 at the first end of the screw rod driving shaft 120 is matched with the screw rod of the probe fixing bolt, the screw rod driving shaft 120 is rotated to enable the screw rod of the probe fixing bolt to be installed to a suitable position of the probe support, then the limiting part 111 at the first end of the nut sleeve 110 is matched with the nut of the probe fixing bolt, the screw rod driving shaft 120 is kept stationary, the nut sleeve 110 is rotated to enable the nut of the probe fixing bolt to be screwed to a suitable position compared with the screw rod of the probe fixing bolt, and the installation of the rail flaw detector probe is completed. The rail flaw detector probe dismounting tool 100 provided by the embodiment of the application can simultaneously complete the work of the screwdriver and the wrench, reduces the number of tools required when the rail flaw detector probe is dismounted, and simplifies the process of dismounting the rail flaw detector probe.

[0040] The rail flaw detector probe dismounting tool 100 provided by the embodiment of the application further comprises Figure 1 、 Figure 2 and Figure 3 The outer side wall of the second end of the nut sleeve 110 is provided with a first driving assembly 130 for rotating the nut sleeve 110. When the rail flaw detector probe needs to be dismounted, the first driving assembly 130 facilitates the rotation of the nut sleeve 110, so that the nut of the probe fixing bolt can be dismounted.

[0041] Specifically, the first driving assembly 130 comprises a first mounting seat 131 and a first driving handle 132. The first mounting seat 131 is mounted to the outer side wall of the second end of the nut sleeve 110, and the first driving handle 132 is rotatably mounted to the first mounting seat 131, and the rotation axis of the first driving handle 132 is perpendicular to the axial direction of the nut sleeve 110. When the rail flaw detector probe needs to be dismounted, the first driving handle 132 is rotated relative to the first mounting seat 131 until the first driving handle 132 is perpendicular to the axial direction of the nut sleeve 110, so that the force arm of the force acting on the first driving handle 132 is increased, and the nut sleeve 110 is more easily driven to rotate; when the rail flaw detector probe dismounting tool 100 of the embodiment needs to be stored, the first driving handle 132 is rotated relative to the first mounting seat 131 until the first driving handle 132 is parallel to the axial direction of the nut sleeve 110, so that the space occupied by the rail flaw detector probe dismounting tool 100 provided by the embodiment of the application is reduced, and the rail flaw detector probe dismounting tool 100 provided by the embodiment of the application is facilitated to be stored.

[0042] The rail flaw detector probe dismounting tool 100 provided by the embodiment of the present application further comprises a first driving handle 132, the first driving handle 132 comprises a driving rod 133 and a hand-held protrusion 134, the first end of the driving rod 133 is rotatably installed on the first mounting seat 131, and the hand-held protrusion 134 is arranged on the side wall of the second end of the driving rod 133, and the hand-held protrusion 134 is used for manually rotating the driving nut sleeve 110.

[0043] In a specific embodiment, the nut sleeve 110, the screw rod driving shaft 120 and the first driving assembly 130 are all made of metal, preferably, the nut sleeve 110, the screw rod driving shaft 120 and the first driving assembly 130 are all made of alloy steel, the first mounting seat 131 is welded and fixed to the outer side wall of the second end of the nut sleeve 110, the first end of the driving rod 133 is hinged to the first mounting seat 131, and the hand-held protrusion 134 is welded and fixed to the side wall of the second end of the driving rod 133. Of course, it can be understood that the nut sleeve 110, the screw rod driving shaft 120 and the first driving assembly 130 can also be made of other materials, as long as the strength of the nut sleeve 110, the screw rod driving shaft 120 and the first driving assembly 130 can be guaranteed; the first mounting seat 131 can also be fixed to the outer side wall of the second end of the nut sleeve 110 by other means, and the hand-held protrusion 134 can also be fixed to the side wall of the second end of the driving rod 133 by other means, which are not limited herein.

[0044] The rail flaw detector probe dismounting tool 100 provided by the embodiment of the present application further comprises a first driving handle 132, the first driving handle 132 comprises a driving rod 133 and a hand-held protrusion 134, the first end of the driving rod 133 is rotatably installed on the first mounting seat 131, and the hand-held protrusion 134 is arranged on the side wall of the second end of the driving rod 133, and the hand-held protrusion 134 is used for manually rotating the driving nut sleeve 110. Figure 1 、 Figure 2 and Figure 4 The second end of the screw rod driving shaft 120 is provided with a second driving assembly 140 used for rotating the screw rod driving shaft 120. When the rail flaw detector probe needs to be dismounted, the second driving assembly 140 is used for rotating the screw rod driving shaft 120, so that the screw rod of the probe fixing bolt can be dismounted. The specific structure of the second driving assembly 140 is the same as that of the first driving assembly 130, specifically, the second driving assembly 140 comprises a second mounting seat and a second driving handle, the second mounting seat is installed on the end of the second end of the screw rod driving shaft 120, the second driving handle is rotatably installed on the second mounting seat, the second driving handle comprises a driving rod 133 and a hand-held protrusion 134, the first end of the driving rod 133 is rotatably installed on the second mounting seat, and the hand-held protrusion 134 is arranged on the side wall of the second end of the driving rod 133, and the hand-held protrusion 134 is used for manually rotating the screw rod driving shaft 120.

[0045] The rail flaw detector probe dismounting tool 100 provided by the embodiment of the present application further comprises a nut sleeve 110, a screw rod driving shaft 120, a first driving assembly 130, a limiting part 111 and a second driving assembly 140. Figure 2 The limiting part 111 is a limiting hole with a cross-sectional shape matching the shape of the nut, and the screwdriver head corresponds to the limiting hole. The rail flaw detector probe dismounting tool 100 further comprises at least two rolling bearings 150, which are installed at intervals on the inner wall of the nut sleeve 110. The screw rod driving shaft 120 is installed in the rolling bearings 150, and the screw rod driving shaft 120 can move along the axial direction of the nut sleeve 110 relative to the rolling bearings 150. The screw rod driving shaft 120 rotates relative to the nut sleeve 110 through the rolling bearings 150, so that the rotation of the screw rod driving shaft 120 relative to the nut sleeve 110 is more stable and smooth.

[0046] The rail flaw detector probe dismounting tool 100 provided by the embodiment of the present application further comprises a nut sleeve 110, a screw rod driving shaft 120, a first driving assembly 130, a limiting part 111 and a second driving assembly 140. Figure 2 Figure 4 The outer side wall of the screw rod driving shaft 120 is provided with a plurality of limiting protrusions 122 at intervals along the axial direction. The rolling bearings 150 move between adjacent two limiting protrusions 122. Preferably, the distance between adjacent two limiting protrusions 122 is 8mm to 12mm. The rolling bearings 150 are limited between adjacent two limiting protrusions 122, which can ensure that the screw rod driving shaft 120 can rotate relative to the nut sleeve 110 while avoiding the screw rod driving shaft 120 from being separated from the nut sleeve 110.

[0047] In a specific embodiment, the rail flaw detector probe dismounting tool 100 further comprises two rolling bearings 150. Correspondingly, the outer side wall of the screw rod driving shaft 120 is provided with four limiting protrusions 122 at intervals along the axial direction. The rolling bearings 150 move between adjacent two limiting protrusions 122. The second end of the screw rod driving shaft 120 is provided with a rotating block 123. The outer wall of the rotating block 123 is matched with the inner wall of the nut sleeve 110. The second driving assembly 140 is installed on the second end of the nut sleeve 110 protruding from the rotating block 123. The rotating block 123 cooperates with the second end of the nut sleeve 110, which facilitates the second driving assembly 140 to drive the screw rod driving shaft 120 to rotate relative to the nut sleeve 110.

[0048] ​In the description of the specification, reference to "one embodiment", "some embodiments", "an example", "a specific example", or "some examples" means that a particular feature, structure, material, or characteristic being described is included in at least one embodiment or example of the application. The appearances of the above phrases in various places in the specification are not necessarily all referring to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics can be combined in any suitable manner in one or more embodiments or examples. Also, the terminology used in the description is for the purpose of describing the particular embodiments or examples only and is not intended to be limiting. It should be understood that the terminology used in the description is intended to be interpreted broadly and is intended to include, but is not limited to, all technical and functional equivalents of the terms used in the description.

[0049] While the application has been described with reference to particular embodiments thereof, it should be understood that these embodiments are merely illustrative of the principles and application of the application. It will thus be appreciated that numerous modifications can be made to the illustrative embodiments and that other arrangements can be devised without departing from the spirit and scope of the present application as defined by the appended claims. It will be understood that different embodiments can be combined in different ways and that the features described in connection with one embodiment can be used in other embodiments.

Claims

1. A tool for disassembling and assembling a rail flaw detector probe, characterized in that, The tools for disassembling and assembling the rail flaw detector probe include: A nut sleeve, wherein the nut sleeve has a hollow structure, and the first end of the nut sleeve is provided with a limiting part that cooperates with the nut; and A screw drive shaft is rotatably mounted inside the nut sleeve, and the screw drive shaft is movable relative to the nut sleeve along the axial direction of the nut sleeve. A screwdriver head for rotating the screw is provided at the first end of the screw drive shaft. At least two rolling bearings are installed at intervals on the inner wall of the nut sleeve. The screw drive shaft is installed inside the rolling bearings and is movable relative to the rolling bearings along the axial direction of the nut sleeve. The outer wall of the screw drive shaft is provided with a plurality of limiting protrusions at intervals along the axial direction. The position of the rolling bearing corresponds to the position between two adjacent limiting protrusions.

2. The tool for disassembling and assembling the probe of a rail flaw detector according to claim 1, characterized in that, The outer wall of the second end of the nut sleeve is equipped with a first drive assembly for rotating the nut sleeve.

3. The tool for disassembling and assembling the probe of a rail flaw detector according to claim 2, characterized in that, The first drive assembly includes a first mounting base and a first drive handle. The first mounting base is mounted on the outer side wall of the second end of the nut sleeve, and the first drive handle is rotatably mounted on the first mounting base.

4. The tool for disassembling and assembling the probe of a rail flaw detector according to claim 3, characterized in that, The first drive handle includes a drive rod and a hand-held protrusion. The first end of the drive rod is rotatably mounted on the first mounting base, and the hand-held protrusion is provided on the side wall of the second end of the drive rod. The hand-held protrusion is used to manually drive the nut sleeve to rotate.

5. The tool for disassembling and assembling the probe of a rail flaw detector according to claim 1, characterized in that, A second drive assembly for rotating the screw drive shaft is mounted on the second end of the screw drive shaft.

6. The tool for disassembling and assembling the probe of a rail flaw detector according to claim 1, characterized in that, The distance between two adjacent limiting protrusions is 8mm to 12mm.

7. The tool for disassembling and assembling the probe of a rail flaw detector according to claim 1, characterized in that, The limiting part is a limiting hole whose cross-sectional shape matches the shape of the nut, and the screwdriver head corresponds to the limiting hole.

8. The tool for disassembling and assembling the probe of a rail flaw detector according to claim 1, characterized in that, The second end of the screw drive shaft is provided with a rotating block, the outer wall of the rotating block is adapted to the inner wall of the nut sleeve, and the rotating block protrudes from the second end of the nut sleeve.

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