CN221188555U

CN221188555U - Probe fixing device

Info

Publication number: CN221188555U
Application number: CN202323507525.8U
Authority: CN
Inventors: 耿明; 罗小华; 张长能; 光振雄; 董云松; 雷崇; 殷勤; 邱绍峰; 周明翔; 李加祺; 刘辉; 张俊岭; 彭方进; 李成洋; 何林
Original assignee: China Railway Siyuan Survey and Design Group Co Ltd
Current assignee: China Railway Siyuan Survey and Design Group Co Ltd
Priority date: 2023-12-20
Filing date: 2023-12-20
Publication date: 2024-06-21
Anticipated expiration: 2033-12-20

Abstract

The first bracket comprises a first clamping block, a first opening groove is formed in the first clamping block and used for being clamped on a flank of a steel rail seat, a supporting plate used for installing a probe is connected to the first clamping block, a first threaded hole is formed in the first clamping block, and a fastening bolt is installed in the first threaded hole and used for installing the first bracket on the flank of the steel rail seat; the first bracket is characterized by further comprising a pull buckle and a tension bolt which are used for connecting and fixing the first bracket. The utility model can be independently arranged on one side wing of the rail seat through the first bracket, and also can be fixed on two side wings of the rail seat through the tension buckle and the tension bolt which are matched with the first bracket.

Description

Probe fixing device

Technical Field

The utility model belongs to the technical field of railway steel rail safety monitoring, and particularly relates to a probe fixing device.

Background

Because the railway steel rail is subjected to high pressure for a long time and the environment is complex, the phenomena of corrosion, crack, fracture and the like of the steel rail are easy to occur. In order to ensure safety, real-time health monitoring of the railway rails is required. The common monitoring method is mainly realized by a nondestructive testing technology, wherein the nondestructive testing technology refers to: the surface and internal flaws are detected without changing the state of the object to be inspected. The main nondestructive testing technology comprises a magnetic leakage nondestructive testing technology, an eddy nondestructive testing technology, an ultrasonic nondestructive testing technology and the like. In any detection technology, the detection probe is usually required to be closely attached to the steel rail, so that the potential hidden trouble problem existing in the steel rail can be accurately detected. Because drilling is not allowed on the steel rail, the piezoelectric sensor sensing probe is usually fixed on the steel rail only by adopting a magnetic seat adsorption or bonding installation mode. Because the railway steel rail is in the fixed mode of high-strength vibration environment absorption, often because the adsorption force is insufficient, the error of the measurement result is larger, and the piezoelectric sensor is easily affected by vibration to generate the problems of displacement and the like. By adopting the bonding installation mode, the problems that the requirement on the surface cleanliness of the steel rail is high and complex during installation, the steel rail is inconvenient to detach after installation, the bonding medium is easy to age and lose efficacy, the measurement precision is reduced due to the existence of the bonding medium and the like exist. Meanwhile, the magnetic seat adsorption or adhesion installation mode is not beneficial to developing long-term monitoring.

In order to solve the problem of probe fixation, the utility model patent (application number 201820773844.3) discloses a steel rail state monitoring sensor fixing bracket which comprises a flat lateral support plate, a bottom plate and locking buckle plates, wherein the lateral support plate and the locking buckle plates are arranged on two sides of the bottom plate to form a U-shaped frame structure and are clamped at the bottom and two sides of a steel rail bottom; the lateral support plate is provided with a lateral sensor sleeve for installing the first piezoelectric sensor towards the rail web direction, and the bottom plate is provided with a bottom sensor sleeve and a bottom positioning cover for installing the second piezoelectric sensor. The utility model adopts a clamping mode, and realizes the close fit between the bracket and the steel rail. But the patent of the utility model adopts double-side clamping, and then realizes the fixation of the bracket in a horizontal tension mode, which is only applicable to the I-shaped steel rail with two side wings on the rail seat; referring to fig. 1, for example, patent application number 201811076180.6 discloses a construction form of a stock rail and a point rail head, wherein the section of the point rail seat is L-shaped, only has one side wing, and the point rail seat is clung to the rail seat of the stock rail (i-shaped steel rail) and has a certain height difference, at this time, the bracket disclosed in the patent "a steel rail state monitoring sensor fixing bracket" cannot be mounted on the point rail seat, and thus cannot detect the point rail of the type.

Disclosure of utility model

The utility model aims to provide a probe fixing device capable of being arranged on a single flank of a steel rail seat, and simultaneously, the probe fixing device can be matched with a tensioning buckle to realize double-side fixing of the steel rail seat.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

The utility model provides a probe fixing device, includes first support, first support includes first fixture block, be provided with first open slot on the first fixture block for the clamping on the flank of rail seat, be connected with the backup pad that is used for installing the probe on the first fixture block, it has first screw hole to open on the first fixture block, install fastening bolt in the first screw hole be used for with first support installs on the flank of rail seat.

Preferably, a strip-shaped mounting hole is formed in the support plate.

Further, the upper surface of the first open slot forms a certain angle a with the horizontal plane, and a is more than 0 and less than 90 degrees.

Further, the included angle a is more than or equal to the included angle between the upper surface of the side wing of the rail seat of the steel rail and the horizontal plane.

Further, a second threaded hole is formed in the first clamping block.

Further, the probe fixing device further comprises a pull buckle and a tension bolt which are used for connecting and fixing the first bracket.

Further, a second open slot and a perforation are arranged on the tensioning buckle.

Further, the upper surface of the second open slot forms a certain angle b with the horizontal plane, and b is more than 0 and less than 90 degrees.

Further, the included angle b is more than or equal to the included angle between the upper surface of the side wing of the rail seat of the steel rail and the horizontal plane.

The utility model comprises the following steps:

(1) The probe fixing device can be independently fixed on one flank of the rail seat of the steel rail, and can be applicable to both I-shaped steel rails and L-shaped switch rails.

(2) According to the utility model, the first bracket and the tensioning buckle can be fixed on two side wings of the rail seat through the tensioning bolt, so that a stabilizing effect is further achieved.

Drawings

FIG. 1 is a schematic view of a stock rail and point rail head construction in accordance with the disclosed invention;

FIG. 2 is a schematic perspective view of a first bracket according to the present utility model;

FIG. 3 is a left side view of FIG. 2;

FIG. 4 is a schematic view of the first bracket of the present utility model secured to an I-shaped rail seat;

FIG. 5 is an exploded view of FIG. 4;

FIG. 6 is a schematic view of the connection state of the pull buckle and the tension bolt according to the present utility model;

FIG. 7 is a front view of FIG. 6;

FIG. 8 is a schematic view of the present utility model integrally secured to an I-shaped rail seat;

In the figure: 100 first brackets, 101 first clamping blocks, 102 first threaded holes, 103 supporting plates, 104 mounting holes and 105 second threaded holes; 106, fastening a bolt;

200, pulling a fastener, and perforating 201;

300 tensioning the bolt;

1I-shaped steel rail, 11I-shaped steel rail head and 12I-shaped steel rail seat;

2 point rail, 21 point rail head, 22 point rail seat.

Detailed Description

The following describes a probe fixing device according to the present utility model with reference to fig. 1 to 8

Is described in detail below. The view orientation names of the drawings in the utility model take the orientation shown in fig. 8 as the front view orientation. The probe fixing apparatus of the present utility model is not limited to the description of the following embodiments.

Referring to fig. 1, a rail system is generally composed of an i-shaped rail as a main running rail and a tongue rail for guiding a wheel rim smoothly into a formulated track.

The I-shaped steel rail mainly comprises a rail head, a rail web and a rail seat, wherein the rail seat is provided with a left side wing and a right side wing to enlarge the contact area with the sleeper. Whereas the point rail is generally comprised of a head and a seat, which are generally L-shaped in configuration, the point rail structure shown in fig. 1 is a split-type structure of head and seat, the seat being integrally L-shaped in configuration; while in other point rail constructions the rail head is of an L-shaped configuration integrally formed with the rail seat, the rail seat of these points rails has only one flank.

The utility model provides a probe fixing device capable of being fixed on a single flank of a steel rail seat.

Referring to fig. 2-4, a probe fixing device comprises a first bracket 100, wherein the first bracket 100 comprises a first clamping block 101, the first clamping block 101 is provided with an opening which is positioned at the left side of the first clamping block 101 as shown in fig. 4, and a first opening groove is used for being clamped on a flank of a rail seat. When the bottom wall of the first open slot is in a horizontal state as shown in fig. 4, the side wall of the first open slot is vertical and perpendicular to the bottom wall of the first open slot, and the upper wall of the first open slot is connected with the upper end of the side wall of the first open slot and is in a certain inclined state, wherein as shown in fig. 5, the whole upper wall of the first open slot and the horizontal plane form a certain included angle a, and the included angle a is more than 0 degrees and less than 90 degrees. As shown in fig. 5, the lower surface of the flank of the h-shaped rail seat is in a horizontal state, and the upper surface of the flank is in a certain inclined state, wherein the upper surface of the flank and the horizontal surface form a certain included angle c, and the included angle c is formed by integrally designing and manufacturing the earlier-stage rail. In order to ensure that the first clamping block 101 can be completely clamped on the flank of the rail seat, the included angle a is larger than or equal to the included angle c. It should be noted that fig. 4 and 5 only show the connection of the first bracket 100 to the i-rail, and the connection of the first bracket 100 to the point rail is the same as that described herein.

Referring to fig. 3 and 4 again, the left end of the upper wall of the first open slot is connected with a support plate 103, and a strip-shaped mounting hole 104 is formed in the support plate 103 of the support plate 103 for mounting the probe. Wherein the probe can be fixed on the backup pad 103 through the bolt, in addition, the mounting hole 104 adopts bar structure can be convenient for reciprocate the probe, guarantees that the probe is in suitable position.

Referring to fig. 3 and 4, the upper wall of the first open slot is further provided with a first threaded hole 102, and a fastening bolt 106 is installed in the first threaded hole 102, when the first bracket 100 is fastened to the side wing of the rail seat through the first open slot, the fastening bolt 106 is screwed to abut against the upper surface of the side wing of the rail seat, so that the first bracket 100 can be firmly and first installed on the rail seat.

Referring to fig. 6 and 7, when the probe fixing apparatus is applied to an i-shaped rail, in order to further fix the bracket, the probe fixing apparatus further includes a tension buckle 200 and a tension bolt 300, wherein one end of the tension bolt 300 is provided with external threads, and the other end is provided with a nut, and the first bracket 100 is mounted on a side wing of a rail seat by the tension bolt 300 in cooperation with the tension buckle 200. The second open slot is arranged on the fastening buckle 200, when the bottom wall of the second open slot is in a horizontal state as shown in fig. 7, the side wall of the second open slot is vertical and perpendicular to the bottom wall of the second open slot, and the upper wall of the second open slot is connected with the upper end of the side wall of the second open slot and is in a certain inclined state, wherein as shown in fig. 7, a certain included angle b is formed between the whole upper wall of the second open slot and the horizontal plane, the included angle b is smaller than 90 degrees, and the included angle b is larger than or equal to the included angle c. Referring to fig. 6, a through hole 201 is formed in a sidewall of the second open slot, and a diameter of the through hole 201 is smaller than a diameter of a nut of the tension bolt 300. Correspondingly, referring to fig. 2 and 3, a second threaded hole 105 adapted to the threaded structure of the tightening bolt 300 is further formed at the right end of the lower wall of the first opening slot.

Referring to fig. 8, when the probe fixing device is mounted on the i-shaped rail, in order to further fix the bracket, first bracket 100 is first fixed to one side of the i-shaped rail seat by fastening bolts 106, and a pull-up buckle 200 is mounted to the other side of the i-shaped rail seat. The threaded end of the tie bolt 300 is passed through the aperture 201 in the tension clasp 200 and the threaded end is screwed into the second threaded aperture 105 in the first bracket 100 to further secure the probe fixture by tension.

The foregoing is a further detailed description of the utility model in connection with the preferred embodiments, and it is not intended that the utility model be limited to the specific embodiments described. It will be apparent to those skilled in the art that several simple deductions or substitutions may be made without departing from the spirit of the utility model, and these should be considered to be within the scope of the utility model.

Claims

1. A probe fixing device, characterized in that: including first support, first support includes first fixture block, be provided with first open slot on the first fixture block for the clamping on the flank of rail seat, be connected with the backup pad that is used for installing the probe on the first fixture block, it has first screw hole to open on the first fixture block, install fastening bolt in the first screw hole be used for with first support installs on the flank of rail seat.

2. A probe-securing device according to claim 1, wherein: the support plate is provided with a strip-shaped mounting hole.

3. A probe fixing apparatus according to claim 1 or 2, wherein: the upper surface of the first open slot forms a certain included angle a with the horizontal plane, and a is more than 0 and less than 90 degrees.

4. A probe-securing device according to claim 3, wherein: the included angle a is more than or equal to the included angle between the upper surface of the flank of the rail seat of the steel rail and the horizontal plane.

5. A probe fixing apparatus according to claim 1 or 2, wherein: the first clamping block is also provided with a second threaded hole.

6. A probe-securing device according to claim 5, wherein: the probe fixing device further comprises a pull buckle and a tension bolt which are used for connecting and fixing the first bracket.

7. A probe-securing device according to claim 6, wherein: the tensioning buckle is provided with a second open slot and a perforation.

8. A probe fixation device as claimed in claim 7, wherein: the upper surface of the second open slot forms a certain included angle b with the horizontal plane, and b is more than 0 and less than 90 degrees.

9. A probe-securing device according to claim 8, wherein: the included angle b is more than or equal to the included angle between the upper surface of the flank of the rail seat of the steel rail and the horizontal plane.