Bridge track vibration monitoring device

Abstract

The utility model provides a bridge track vibration monitoring device, which relates to the technical field of track vibration monitoring and comprises a bidirectional threaded rod, a right clamping block and a left clamping block. The outer side face of the bidirectional threaded rod is rotationally connected with a base. The lower side face of the right clamping block is connected with a sliding frame through a bolt. A sliding frame is connected to the lower side face of the left clamping block through a bolt, a guide column is welded to the left side face of the left clamping block, a sliding plate is slidably connected to the wind-heat outer side face of the guide column, a through hole penetrating left and right is formed in the center of the left clamping block, an adjusting rotating sleeve is rotationally connected into the through hole of the left clamping block, and a shade is connected to the upper side face of the left clamping block through a bolt; through the arrangement of a bidirectional threaded rod, a sliding frame, a right clamping block, a left clamping block, a sliding plate and an adjusting rotating sleeve, the flexibility and applicability of detection and installation of the vibration sensor are improved; the problem that a traditional vibration acceleration sensor cannot effectively adapt to steel rails of different models for flexible fitting contact installation due to the fact that the steel rail installation structure of the traditional vibration acceleration sensor is fixed rigidly is solved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to track vibration monitoring technical field, more specifically, it is especially related to a bridge track vibration monitoring device. BACKGROUND

[0002] Bridge track is a kind of railway rail facility laid on bridge structure, due to the structural characteristics of bridge suspension, it will produce greater vibration influence than ground track under the same load, therefore, it needs to strengthen vibration monitoring to bridge track, ensures 24 hours real-time detection, and timely eliminates the security risk of railway transportation. At present, vibration detection usually needs to measure by sticking vibration acceleration sensor on the measured object, obtains the vibration condition of object by analyzing the vibration signal of measured object, since bridge track will set up different model rail structure according to different load weight, its waist thickness and bottom width are not same, however, the installation structure of traditional vibration acceleration sensor is relatively fixed, leading to vibration acceleration sensor cannot effectively adapt to different model rails for sticking contact installation, therefore, the installation adaptability of traditional vibration acceleration sensor for different model structure rails is poor. SUMMARY

[0003] In order to solve the above technical problems, the utility model provides a bridge track vibration monitoring device to solve the problem that the installation structure of traditional vibration acceleration sensor is fixed and inflexible, leading to vibration acceleration sensor cannot effectively adapt to different model rails for flexible sticking contact installation.

[0004] The utility model provides a bridge track vibration monitoring device, including two -way threaded rod, the left end and right end of two -way threaded rod are all welded with knob, and the outside surface rotation of two -way threaded rod is connected with base, and the upside of base is placed with rail, still including right clamping block and left clamping block, the downside of right clamping block is connected with slide by bolt, the downside of left clamping block is connected with slide by bolt, and the left side surface of left clamping block is welded with guide pillar, and the outside surface sliding of guide pillar is connected with slide plate, and the center position of left clamping block is equipped with the through -hole that penetrates left and right, and the through -hole rotation of left clamping block is connected with adjusting sleeve, and the upside of left clamping block is connected with shade by bolt, and the upside of left clamping block is equipped with threaded hole, and the threaded hole of left clamping block is screwed with fixed bolt.

[0005] In at least some embodiments, the number of slide is two groups, and the slide is symmetrically distributed left and right, the downside of each group of slide is equipped with square boss, the center position of square boss of slide is equipped with the threaded through -hole that penetrates left and right, and the right side slide is meshed in the threaded through -hole of the outside surface of two -way threaded rod positive thread end, and the left side slide is meshed in the threaded through -hole of the outside surface of two -way threaded rod reverse thread end.

[0006] In at least some embodiments, the upper side of the base is provided with a rectangular slot in the center, and the square protrusion of the sliding frame is inserted into the rectangular slot of the base, and the front side and the back side of the square protrusion are respectively attached to the front side wall and the back side wall of the rectangular slot of the base.

[0007] In at least some embodiments, the right side of the sliding plate is provided with a cylindrical protrusion in the center, the outer side of the protrusion of the sliding plate is provided with a threaded structure, the left side of the protrusion of the sliding plate is provided with a through hole, a vibration sensor is installed in the through hole of the protrusion of the sliding plate, and the left side and the right side of the protrusion of the sliding plate are both provided with through holes penetrating left and right.

[0008] In at least some embodiments, the adjusting sleeve is a left-right penetrating cylindrical structure, the inner side of the adjusting sleeve is provided with a threaded structure, and the outer side of the protrusion of the sliding plate is threadedly engaged with the threaded structure on the inner side of the sleeve.

[0009] In at least some embodiments, the shield is a shell structure with an opening on the right side, the vibration sensor is arranged inside the shell of the shield, the upper side of the shield is provided with two groups of through holes, the fixing bolts are inserted into the through holes on the upper side of the shield, the left side of the shield is provided with a through hole, a sheath is bonded to the left end of the through hole of the shield, the sheath is made of silica gel material, the sheath is a left-right penetrating cylindrical structure, the left end of the sheath is a necked structure, the data line of the vibration sensor is inserted into the inner side of the cylindrical structure of the sheath, and the left end of the sheath is tightly attached to the outer side of the data line insulation skin of the vibration sensor.

[0010] Compared with the prior art, the utility model has the following beneficial effects:

[0011] 1. In the utility model, on the one hand, the two groups of sliding frames are driven to move left and right by the bidirectional threaded rod, so that the right clamping block and the left clamping block can clamp and fix the steel rails with different bottom widths from left to right, realizing flexible and adaptive clamping and installation of the bridge rail vibration monitoring device for different bottom width models of steel rails, and on the other hand, the threaded engagement transmission structure formed by the outer side thread of the protrusion of the sliding plate and the inner side thread of the sleeve body of the adjusting sleeve operates, so that the vibration sensor can be adjusted in horizontal displacement according to the thickness of the steel rail, ensuring that the detection end of the vibration sensor is attached to the waist position of different models of steel rails for detection, and improving the flexibility and applicability of the vibration sensor detection installation. DRAWINGS

[0012] Figure 1 It is a structural schematic diagram of the utility model.

[0013] Figure 2 It is a structure schematic diagram of the utility model from the bottom side.

[0014] Figure 3 It is a right view structure schematic diagram of the utility model.

[0015] Figure 4 is a rear view structure schematic diagram of the utility model.

[0016] Figure 5 is a top view structure schematic diagram of the utility model.

[0017] Figure 6 is an explosion structure schematic diagram of the utility model.

[0018] Figure 7 is a structure schematic diagram of the utility model in A part. Figure 6 enlarged.

[0019] Figure 8 is a cut structure schematic diagram of the utility model.

[0020] Figure 9 is a structure schematic diagram of the utility model in B part. Figure 8 enlarged.

[0021] The drawing mark: 1, rail; 2, base; 3, knob; 4, sliding frame; 5, right clamping block; 6, shade; 7, sheath; 8, left clamping block; 9, sliding plate; 10, guide column; 11, vibration sensor; 12, adjusting sleeve; 13, two-way threaded rod; 14, fixed bolt. DETAILED DESCRIPTION

[0022] The embodiment of the utility model is further described in detail below in combination with the drawings and examples. The following examples are used to illustrate the utility model, but cannot be used to limit the scope of the utility model.

[0023] As shown in Figures 1-9 the utility model provides a bridge track vibration monitoring device, including two-way threaded rod 13;Two-way threaded rod 13's left end and right end are all welded with knob 3, and the outside surface of two-way threaded rod 13 is rotatably connected with base 2, and the upper side of base 2 is placed with rail 1;Still including right clamping block 5 and left clamping block 8;The lower side of right clamping block 5 is connected with sliding frame 4 by bolt, and the lower side of left clamping block 8 is connected with sliding frame 4 by bolt, and the left side of left clamping block 8 is welded with guide column 10, and the outer side of guide column 10 is slidably connected with sliding plate 9, and the central position of left clamping block 8 is provided with through hole that penetrates left and right, and the through hole of left clamping block 8 is rotatably connected with adjusting sleeve 12, and the upper side of left clamping block 8 is connected with shade 6 by bolt, and the upper side of left clamping block 8 is provided with threaded hole, and fixed bolt 14 is screwed in the threaded hole of left clamping block 8.

[0024] In the embodiment of the present disclosure, the number of sliding frames 4 is two groups, and the sliding frames 4 are symmetrically distributed left and right. The lower side of each group of sliding frames 4 is provided with a square protrusion. The center position of the square protrusion of the sliding frame 4 is provided with a left-right through threaded hole. The outer side of the right threaded end of the bidirectional threaded rod 13 is engaged and connected in the threaded hole of the right sliding frame 4. The outer side of the left threaded end of the bidirectional threaded rod 13 is engaged and connected in the threaded hole of the left sliding frame 4. The two groups of sliding frames 4 are moved left and right under the action of the bidirectional threaded rod 13. The right clamping block 5 and the left clamping block 8 are synchronously moved left and right under the action of the two groups of sliding frames 4. The right clamping block 5 and the left clamping block 8 clamp and fix the rails 1 with different widths, and the bridge rail vibration monitoring device is quickly clamped and fixed on the rails 1.

[0025] In the embodiment of the present disclosure, the upper side of the base 2 is provided with a rectangular through slot at the center position. The square protrusion of the sliding frame 4 is inserted into the rectangular through slot of the base 2. The front side and the rear side of the square protrusion are respectively attached to the front side wall and the rear side wall of the rectangular through slot of the base 2, so that the sliding frame 4 moves left and right along the rectangular through slot of the base 2. The right clamping block 5 and the left clamping block 8 are stably extruded on the rails 1.

[0026] In the embodiment of the present disclosure, the right side of the sliding plate 9 is provided with a cylindrical protrusion at the center position. The outer side of the protrusion of the sliding plate 9 is provided with a threaded structure. The left side of the protrusion of the sliding plate 9 is provided with a through hole at the center position. The vibration sensor 11 is installed in the through hole of the protrusion of the sliding plate 9. The left side and the right side of the protrusion of the sliding plate 9 are provided with left-right through holes. The two groups of guide columns 10 are respectively inserted into the through holes of the sliding plate 9. The guide columns 10 limit the rotation of the sliding plate 9. The vibration sensor 11 installed in the through hole of the protrusion of the sliding plate 9 is prevented from rotating synchronously with the adjusting sleeve 12 during the rotation of the adjusting sleeve 12. The guide column 10 supports the vibration sensor 11 installed in the through hole of the protrusion of the sliding plate 9 to move left and right horizontally along the guide column 10.

[0027] In the embodiment of the present disclosure, the adjusting sleeve 12 is a left-right through cylindrical structure. The inner side of the adjusting sleeve 12 is provided with a threaded structure. The outer side of the protrusion of the sliding plate 9 is threadedly engaged and connected to the threaded structure on the inner side of the cylinder of the adjusting sleeve 12. The adjusting sleeve 12 drives the sliding plate 9 to move left and right horizontally along the guide column 10. The sliding plate 9 drives the vibration sensor 11 to move and adjust according to the different waist thicknesses of the rails 1. The vibration detection end of the vibration sensor 11 is closely attached to the waist position of the rails 1 for measurement.

[0028] In the embodiment of the present disclosure, the mask 6 is a shell structure with an open right side, the vibration sensor 11 is arranged inside the shell of the mask 6, the mask 6 shields the data line connection part of the vibration sensor 11, the upper side of the mask 6 is provided with two groups of through holes, the fixing bolt 14 is inserted into the through hole on the upper side of the mask 6, the center position of the left side of the mask 6 is provided with a through hole, the left end of the through hole of the mask 6 is bonded with the sheath 7, the sheath 7 is made of silica gel material as a whole, the sheath 7 is a left-right penetrating cylinder, the left end of the sheath 7 cylinder is a neck-in structure, the data line of the vibration sensor 11 is inserted inside the cylinder structure of the sheath 7, the left end of the sheath 7 neck-in is tightly combined outside the data line insulation skin of the vibration sensor 11, preventing external water from flowing into the inside of the mask 6 through the through hole of the mask 6 to infect the vibration sensor 11.

[0029] The specific use mode and effect of the embodiment are as follows:

[0030] When the vibration sensor 11 is installed on the waist position of the steel rail 1, the base 2 is first placed on the lower side of the steel rail 1, the upper side of the base 2 is attached to the lower side of the steel rail 1, then the knob 3 is manually rotated, the knob 3 drives the bidirectional threaded rod 13 to rotate, since the positive threaded end and the reverse threaded end on the outer side of the bidirectional threaded rod 13 are respectively engaged and connected in the bolt through holes of the two groups of slides 4, the bidirectional threaded rod 13 drives the slides 4 to move left and right towards each other along the rectangular through slot of the base 2, the left clamping block 8 and the right clamping block 5 are respectively in contact and pressed on the left side and the right side of the steel rail 1, so that the bridge track vibration monitoring device clamps and fixes the bottom of the steel rail 1, then the adjusting sleeve 12 is manually rotated, since the outer side of the slide 9 protruding column is threadedly engaged and connected to the inner side thread structure of the adjusting sleeve 12 and the guide column 10 is inserted into the through hole of the slide 9, the adjusting sleeve 12 drives the slide 9 to move horizontally along the guide column 10 to the left or to the right, and the slide 9 drives the vibration sensor 11 to move synchronously, until the detection end of the vibration sensor 11 is attached to the waist position of the steel rail 1, then the two groups of through holes on the upper side of the mask 6 are butted to the threaded holes on the upper side of the left clamping block 8, the fixing bolt 14 passes through the through hole of the mask 6 and is screwed into the threaded hole of the left clamping block 8, the mask 6 wraps and shields the vibration sensor 11, and the clamping and installation work of the vibration sensor 11 for different types of steel rails 1 is completed.

[0031] The installation mode, connection mode or setting mode of all the components are common mechanical modes, such as welding, threaded connection, screw connection, etc., and the specific structure, type and coefficient index of all the components are self-contained technologies, as long as the beneficial effects can be achieved, they can be implemented. The vibration sensor 11 used above is a common device on the market, which can be used by connecting according to the instruction manual purchased together when purchased, so it is not described here.

[0032] The technical scheme of the utility model is not limited to the scope of the utility model embodiments, and the technical content not described in detail in the utility model is well-known technology.

Claims

1. A bridge track vibration monitoring device, comprising a bidirectional threaded rod (13); the left end and the right end of the bidirectional threaded rod (13) are welded with a rotating knob (3), the outer side of the bidirectional threaded rod (13) is rotationally connected with a base (2), and the upper side of the base (2) is placed with a steel rail (1); characterized in that: Also include right clamp block (5) and left clamp block (8); The lower side of right clamp block (5) is bolted with slide (4); The lower side of left clamp block (8) is bolted with slide (4), the left side of left clamp block (8) is welded with guide column (10), the hot outside surface of guide column (10) is slidably connected with slide plate (9), the central position of left clamp block (8) is provided with through hole, the through hole of left clamp block (8) is rotatably connected with adjusting sleeve (12), the upper side of left clamp block (8) is bolted with shade (6), the upper side of left clamp block (8) is provided with threaded hole, and fixed bolt (14) is screwed in the threaded hole of left clamp block (8).

2. The bridge track vibration monitoring apparatus of claim 1, wherein: The number of the slide (4) is two groups, and the slide (4) is symmetrically distributed left and right; The lower side of each group of slide (4) is provided with a square protrusion, the central position of the square protrusion of the slide (4) is provided with a left-right through threaded hole, the outer side of the right threaded end of the two-way threaded rod (13) is engagedly connected in the threaded hole of the right slide (4), and the outer side of the left threaded end of the two-way threaded rod (13) is engagedly connected in the threaded hole of the left slide (4).

3. The bridge track vibration monitoring apparatus of claim 1, wherein: The upper side of the base (2) is provided with a rectangular through slot at the central position, the square protrusion of the slide (4) is inserted into the rectangular through slot of the base (2), and the front side and the rear side of the square protrusion are respectively attached to the front side wall and the rear side wall of the rectangular through slot of the base (2).

4. The bridge track vibration monitoring apparatus of claim 1, wherein: The central position of the right side of the slide plate (9) is provided with a cylindrical protrusion, the outer side of the protrusion of the slide plate (9) is provided with a threaded structure, the central position of the left side of the protrusion of the slide plate (9) is provided with a through hole, the inner side of the through hole of the protrusion of the slide plate (9) is provided with a vibration sensor (11), and the left side and the right side of the protrusion of the slide plate (9) are provided with left-right through holes, and two groups of guide columns (10) are respectively inserted into the through holes of the slide plate (9).

5. The bridge track vibration monitoring apparatus of claim 1, wherein: The adjusting sleeve (12) is a left-right through cylindrical structure, the inner side of the adjusting sleeve (12) is provided with a threaded structure, and the outer side of the protrusion of the slide plate (9) is threadedly engagedly connected at the threaded structure of the inner side of the cylindrical body of the adjusting sleeve (12).

6. The bridge track vibration monitoring apparatus of claim 1, wherein: The shade (6) is a shell structure with an opening on the right side, the vibration sensor (11) is arranged on the inner side of the shell of the shade (6), the upper side of the shade (6) is provided with two groups of through holes, the fixed bolt (14) is inserted into the through holes on the upper side of the shade (6), the central position of the left side of the shade (6) is provided with a through hole, and the left end of the through hole of the shade (6) is bonded with a sheath (7); The sheath (7) is integrally made of silica gel material, the sheath (7) is a left-right through cylindrical body, the left end of the cylindrical body of the sheath (7) is a necked structure, the data line of the vibration sensor (11) is inserted into the inner side of the cylindrical body structure of the sheath (7), and the left end neck of the sheath (7) is closely attached to the outer side of the data line insulation skin of the vibration sensor (11).

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