CN111576102A - Rail protector with alarm - Google Patents
Rail protector with alarm Download PDFInfo
- Publication number
- CN111576102A CN111576102A CN202010504674.0A CN202010504674A CN111576102A CN 111576102 A CN111576102 A CN 111576102A CN 202010504674 A CN202010504674 A CN 202010504674A CN 111576102 A CN111576102 A CN 111576102A
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- Prior art keywords
- alarm
- cavity
- block
- far away
- protection box
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- 230000001012 protector Effects 0.000 title description 2
- 230000005540 biological transmission Effects 0.000 claims abstract description 41
- 238000010248 power generation Methods 0.000 claims abstract description 17
- 238000005096 rolling process Methods 0.000 claims description 20
- 230000003287 optical effect Effects 0.000 claims description 6
- 238000010276 construction Methods 0.000 description 17
- 230000005611 electricity Effects 0.000 description 13
- 230000000694 effects Effects 0.000 description 3
- 230000004907 flux Effects 0.000 description 3
- 230000005484 gravity Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
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Classifications
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B26/00—Tracks or track components not covered by any one of the preceding groups
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L23/00—Control, warning or like safety means along the route or between vehicles or trains
- B61L23/06—Control, warning or like safety means along the route or between vehicles or trains for warning men working on the route
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/18—Structural association of electric generators with mechanical driving motors, e.g. with turbines
- H02K7/1807—Rotary generators
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/18—Structural association of electric generators with mechanical driving motors, e.g. with turbines
- H02K7/1807—Rotary generators
- H02K7/1861—Rotary generators driven by animals or vehicles
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Mechanical Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Train Traffic Observation, Control, And Security (AREA)
Abstract
The invention discloses a rail protection device with an alarm, which comprises two rails, wherein the middle points of the two rails are used as a symmetry center, protection boxes are symmetrically arranged on the rails in a left-right abutting mode, a transmission block is arranged on one side, away from the symmetry center, of each rail in an abutting mode, a control box is arranged on one side, away from the symmetry center, of each transmission block in a sliding mode, an alarm cavity and a power generation cavity are arranged in each protection box, and the alarm cavities are located above the power generation cavities.
Description
Technical Field
The invention relates to the field of railway construction protection, in particular to a rail protection device with an alarm.
Background
Railway trip is one of the current common trip modes of people, railway motor cars run on rails for a long time, so that deformation of roadbed and track bed and abrasion to the rails are caused, and the rail is abraded due to the influence of natural factors, so that the railway needs to be constructed and protected in time, but sometimes construction is carried out when the railway normally operates, certain danger exists, and construction vehicles cannot directly press the rails to prevent damage.
Disclosure of Invention
In order to solve the problems, the embodiment designs a rail protection device with an alarm, which comprises two rails, a middle point of the two rails is used as a symmetry center, a protection box is symmetrically arranged on the rails in a left-right abutting mode, a transmission block is arranged on one side, away from the symmetry center, of each rail in an abutting mode, a control box is arranged on one side, away from the symmetry center, of each transmission block in a sliding mode, an alarm cavity and a power generation cavity are arranged in each protection box, the alarm cavity is located above the power generation cavity, a turntable is arranged in the alarm cavity in a rotating mode, eight rolling cavities are evenly and circumferentially distributed in the turntable, rolling balls are arranged in the rolling cavities in a rolling mode, moving blocks are arranged in the rolling cavities in a sliding mode, the rolling cavities are close to the rotation center of the turntable relative to the rolling balls, and one ends, away from, the moving block is fixedly connected with a reset spring through the rotary disc, one end of the thin rod, which is far away from the ball, is fixedly connected with a fixed block, a swinging rod is arranged on the rear wall below the alarm cavity and the rear wall of one side, which is far away from the symmetric center, in a rotating manner, a flower-shaped groove is formed in one end, which is far away from the rotational center, of the swinging rod, the alarm rod is fixedly connected with an alarm, one end, which is far away from the flower-shaped groove, of the alarm rod is fixedly connected with an alarm block, one side, which is far away from the flower-shaped groove, of the alarm is fixedly provided with the alarm block, one end, which is far away from the symmetric center, of the protection box is fixedly provided with a straight gear, the protection box is connected with the control box through the straight gear in a hinged manner, one end, which is far away from, the lower end of the movable rack is fixedly connected with the sliding block, the sensor is fixedly arranged on the inner wall of one side of the movable cavity close to the symmetric center, one side of the sensor close to the symmetric center is abutted to the transmission block, the electromagnet is fixedly arranged on the upper wall of the movable cavity, the electromagnet and the sliding block are fixedly provided with supporting springs, when the train is away from the protection box by two kilometers, the rail receives the vibration of the train, the sensor is transmitted to the rail through the electromagnet, when the sensor receives the vibration, the electromagnet is electrified, the sliding block moves downwards under the magnetic action of the electromagnet to drive the movable rack to move downwards, the movable rack on the left side drives the straight gear on the left side to rotate anticlockwise, so that the protection box on the left side is driven to rotate anticlockwise at the joint of the protection box and the control box, thereby open the left side the rail, the right side the removal rack drives the right side the spur gear clockwise rotation drives the right side the guard box clockwise rotation, thereby open the right side the rail, thereby let the train pass through, thereby drive the ball in the roll intracavity free roll, the ball is in the effect of the power that the roll chamber produced, thereby drive the carousel rotates, when the carousel rotates to drive the ball is located alarm chamber bottom, the movable block receives the gravity effect of ball pushes down, overcomes reset spring's elasticity, makes through the pin the fixed block is located the extreme position of keeping away from carousel rotation center, the carousel rotates, drive the fixed block around carousel rotation center rotates, promote the swinging arms is close to fixed block one end is toward keeping away from the alarm block and is rotated, drives through the rotation center of swinging arms keeps away from fixed block one end is rotated, the flower-shaped groove drives the alarm rod to move, so that the alarm is driven to move and impact the alarm block, an alarm sound is given out, when the fixed block is separated from the swing rod, the next fixed block is not in contact with the swing rod, at the moment, the alarm resets under the action of the connecting spring, so that the alarm rod is driven to move, the swing rod is driven to reset, and when a train is far away, the protection box returns to an initial position under the action of the supporting spring.
Preferably, slider lower extreme fixed connection carriage release lever, the articulated connecting rod that is equipped with of carriage release lever lower extreme, it is equipped with the dwang to remove the intracavity rotation, it promotes the piece to remove the intracavity slip, the connecting rod with the dwang is articulated to be connected, the dwang with promote a splined connection, the slider moves down and drives the carriage release lever moves down, drives the connecting rod rotates clockwise, thereby promotes the dwang rotates toward the center of symmetry, thereby promotes the dwang moves toward the center of symmetry, works as promote the piece with when the contact of transmission piece, receive reaction force, promote the control box is toward keeping away from center of symmetry department and is removed, thereby the increase the guard box with distance between the rail to make things convenient for the train to pass through.
Preferably, the upper end of the protection box is fixedly provided with an elastic rail, the elastic rails on the left side and the right side form an arch bridge, the protection box is internally provided with the transmission rack in a sliding manner, the inner wall of the power generation cavity close to one side of the symmetry center is rotatably provided with an optical axis, the inner wall of the power generation cavity far away from one side of the symmetry center is fixedly provided with an electricity storage device, the bottom of the power generation cavity is fixedly provided with the U-shaped magnet, the optical axis is fixedly connected with a transmission gear and a clockwork spring, the transmission gear is close to the symmetry center relative to the clockwork spring, the clockwork spring is far away from one end of the transmission gear and is fixedly connected with a coil, the coil is connected with the electricity storage device through a connecting wire, the transmission gear is meshed with the lower end of the transmission rack, when the protection box is placed on a rail, a construction vehicle passes through the protection box and passes through the rail to protect the rail, when the construction vehicle passes through the elastic rail, the adjustment spring is pushed to move downwards to drive the transmission gear to rotate so as to screw the clockwork spring, the screwing degree of the clockwork spring is fixed due to the fixed stroke of the transmission rack, so that the rotating speed of the coil is fixed, and when the construction vehicle completely passes through the elastic rail, the clockwork spring rotates to drive the coil to rotate in the U-shaped magnet, so that the magnetic flux in the coil is changed, electricity is generated, and the electricity is stored in the electricity storage device through the connecting line.
The invention has the beneficial effects that: the protection box is laid on the rail, so that a construction vehicle can directly pass through the rail, the top of the protection box is provided with the elastic guide rail, the construction vehicle is pressed to generate electricity, when a train arrives, the protection box is lifted, and the force generated by rotating the protection box drives the alarm to make a sound, so that a constructor is reminded of the arrival of the train.
Drawings
For ease of illustration, the invention is described in detail by the following specific examples and figures.
Fig. 1 is a schematic view of the overall structure of a rail guard with an alarm according to the present invention;
FIG. 2 is a schematic view of the structure in the direction "A-A" of FIG. 1;
FIG. 3 is an enlarged schematic view of "B" of FIG. 1;
FIG. 4 is an enlarged schematic view of "C" of FIG. 1;
FIG. 5 is a schematic view of the structure in the direction "D-D" of FIG. 1;
fig. 6 is an operation schematic diagram of the protective box rotating ninety degrees.
Detailed Description
The invention will now be described in detail with reference to fig. 1-6, for ease of description, the orientations described below will now be defined as follows: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.
The invention relates to a rail protection device with an alarm, which comprises two rails 28, wherein the middle point of the two rails 28 is used as a symmetry center, a protection box 11 is symmetrically abutted on the left and right sides of the rails 28, a transmission block 29 is abutted on one side, away from the symmetry center, of the rail 28, a control box 30 is slidably arranged on one side, away from the symmetry center, of the transmission block 29, an alarm cavity 15 and a power generation cavity 51 are arranged in the protection box 11, the alarm cavity 15 is positioned above the power generation cavity 51, a turntable 52 is rotatably arranged in the alarm cavity 15, eight rolling cavities 36 are uniformly and circumferentially distributed in the turntable 52, balls 37 are rotatably arranged in the rolling cavities 36, a moving block 38 is slidably arranged in the rolling cavities 36, the rolling cavities 36 are close to the rotation center of the turntable 52 relative to the balls 37, and one end, away from the ball 37, of the moving block 38 is fixedly connected with, the moving block 38 is fixedly connected with a return spring 39 through the rotary disc 52, the thin rod 40 is far away from one end of the ball 37 and is fixedly connected with a fixed block 41, the rear wall below the alarm cavity 15 and the rear wall of the side far away from the symmetric center rotate to form a swing rod 42, one end of the swing rod 42 far away from the rotational center is provided with a flower-shaped groove 43, the interior of the flower-shaped groove 43 is connected with an alarm rod 45 through a spline, one end of the alarm rod 45 far away from the flower-shaped groove 43 is fixedly connected with an alarm 47, one side of the alarm 47 far away from the flower-shaped groove 43 is fixedly provided with an alarm block 46, one end of the protection box 11 far away from the symmetric center is fixedly provided with a straight gear 17, the protection box 11 is hinged and connected with the control box 30 through the straight gear 17, one end of the straight gear 17 far away from the symmetric center is meshed and connected with, control chamber 19 is located remove chamber 22 top, it is equipped with slider 20 to slide in the control chamber 19, remove rack 18 lower extreme fixed connection slider 20, it is equipped with to remove chamber 22 near the fixed one side inner wall at symmetric center sensor 27, sensor 27 be close to one side conflict at symmetric center with transfer block 29, it is equipped with electro-magnet 26 to remove the fixed wall in chamber 22, electro-magnet 26 with slider 20 is fixed and is equipped with supporting spring 50, when the train distance when protection box 11 two kilometers, rail 28 receives the vibrations of train, through electro-magnet 26 passes to sensor 27, when sensor 27 receives vibrations, electro-magnet 26 circular telegram, slider 20 is in move down under the magnetic force effect of electro-magnet 26, drives remove rack 18 and move down, and is left it drives left to remove rack 18 the anticlockwise rotation of straight-teeth gear 17, thereby driving the protection box 11 on the left to rotate counterclockwise around the hinged position of the protection box 11 and the control box 30, so as to open the rail 28 on the left, the moving rack 18 on the right drives the spur gear 17 on the right to rotate clockwise, the protection box 11 on the right to rotate clockwise, so as to open the rail 28 on the right, so as to let the train pass, so as to drive the balls 37 to roll freely in the rolling chamber 36, the balls 37 generate force in the rolling chamber 36, so as to drive the rotating disc 52 to rotate, when the rotating disc 52 rotates to drive the balls 37 to be located at the bottom of the alarm chamber 15, the moving block 38 is pressed by the gravity of the balls 37, overcomes the elastic force of the return spring 39, and the fixed block 41 is located at the limit position far away from the rotation center of the rotating disc 52 through the thin rod 40, the rotating disc 52 rotates to drive the fixed block 41 to rotate around the rotating center of the rotating disc 52, the swinging rod 42 is pushed to rotate close to one end of the fixed block 41 and far away from the alarm block 46, the swing rod 42 is driven by the rotation center of the swing rod 42 to rotate away from one end of the fixed block 41, the alarm rod 45 is driven by the flower-shaped groove 43 to move, thereby moving the alarm 47 and striking the alarm block 46, giving an alarm sound, when the fixed block 41 is disengaged from the oscillating lever 42, the next fixed block 41 is not in contact with the oscillating rod 42, at which point the alarm 47 is reset by the action of the connecting spring 44, the alarm lever 45 is moved to return the swing lever 42, and the protection box 11 returns to the original position by the support spring 50 when the train is far away.
Beneficially, slider 20 lower extreme fixed connection carriage release lever 21, the articulated connecting rod 23 that is equipped with of carriage release lever 21 lower extreme, it is equipped with dwang 24 to move the intracavity 22 internal rotation, it promotes piece 25 to slide to be equipped with in moving the intracavity 22, connecting rod 23 with dwang 24 is articulated to be connected, dwang 24 with promote piece 25 splined connection, slider 20 moves down the drive carriage release lever 21 moves down, drives connecting rod 23 clockwise rotation, thereby promotes dwang 24 rotates toward the center of symmetry, thereby promotes dwang 24 moves toward the center of symmetry, works as promote piece 25 with when the contact of transmission piece 29, receive reaction force, promote control box 30 is toward keeping away from the center of symmetry department and is removed, thereby the increase protection box 11 with distance between the rail 28 to make things convenient for the train to pass through.
Beneficially, the elastic rail 16 is fixedly arranged at the upper end of the protection box 11, the elastic rails 16 at the left side and the right side form an arch bridge, the transmission rack 12 is arranged in the protection box 11 in a sliding manner, the inner wall of the power generation cavity 51 close to one side of the symmetry center is rotatably provided with the optical axis 32, the inner wall of the power generation cavity 51 far away from one side of the symmetry center is fixedly provided with the power accumulator 48, the bottom of the power generation cavity 51 is fixedly provided with the U-shaped magnet 34, the transmission gear 33 and the clockwork spring 31 are fixedly connected to the optical axis 32, the transmission gear 33 is close to the symmetry center relative to the clockwork spring 31, one end of the clockwork spring 31 far away from the transmission gear 33 is fixedly connected to the coil 35, the coil 35 is connected to the power accumulator 48 through a connecting wire 49, the transmission gear 33 is meshed with the lower end of the, an adjusting spring 13 is fixedly arranged between the stopper 14 and the protection box 11, when the protection box 11 is placed on a rail, a construction vehicle passes through the rail through the protection box 11 to protect the rail, when the construction vehicle passes through the elastic rail 16, the adjusting spring 13 is pushed to move downwards so as to drive the transmission gear 33 to rotate, so that the clockwork spring 31 is screwed, the screwing degree of the clockwork spring 31 is fixed due to the fixed stroke of the transmission rack 12, so that the rotating speed of the coil 35 is fixed, and when the construction vehicle completely passes through the elastic rail 16, the clockwork spring 31 rotates to drive the coil 35 to rotate in the U-shaped magnet 34, so that the magnetic flux in the coil 35 changes, so that electricity is generated, and the electricity is stored in the electricity storage device 48 through the connecting line 49.
The following detailed description of the usage steps of a rail protection device with alarm in conjunction with fig. 1 to 6: in the initial state, the electromagnet 26 is not electrified, the transmission rack 12 is located at the upper limit position, the lower end of the transmission rack 12 is not meshed with the transmission gear 33, the rotating disc 52 stops rotating, the pushing block 25 is not contacted with the transmission block 29, the protection box 11 is placed on the rail, and the construction vehicle passes through the rail through the protection box 11, so that the rail is protected.
When the construction vehicle passes through the elastic rail 16, the construction vehicle pushes the adjusting spring 13 to move downwards, so that the transmission gear 33 is driven to rotate, so that the clockwork spring 31 is screwed, the screwing degree of the clockwork spring 31 is driven to be fixed due to the fixed stroke of the transmission rack 12, so that the rotating speed of the coil 35 is fixed, when the construction vehicle completely passes through the elastic rail 16, the clockwork spring 31 rotates to drive the coil 35 to rotate in the U-shaped magnet 34, so that the magnetic flux in the coil 35 is changed, so that electricity is generated, the electricity is stored in the electricity storage device 48 through the connecting line 49, when the train is two kilometers away from the protection box 11, the vibration of the train is received by the rail 28 and is transferred to the sensor 27 through the electromagnet 26, when the sensor 27 receives the vibration, the electromagnet 26 is electrified, the sliding block 20 moves downwards under the magnetic force of the electromagnet 26 to drive the moving rack 18 to move, thereby driving the left protection box 11 to rotate counterclockwise around the hinged position of the protection box 11 and the control box 30, thereby opening the left rail 28, the right moving rack 18 drives the right spur gear 17 to rotate clockwise, driving the right protection box 11 to rotate clockwise, thereby opening the right rail 28, thereby allowing the train to pass, thereby driving the balls 37 to roll freely in the rolling chamber 36, the balls 37 generate force in the rolling chamber 36, thereby driving the turntable 52 to rotate, when the turntable 52 rotates to drive the balls 37 to be positioned at the bottom of the alarm chamber 15, the moving block 38 is pressed by the gravity of the balls 37, overcoming the elastic force of the return spring 39, the fixing block 41 is positioned at the limit position far away from the rotation center of the turntable 52 through the thin rod 40, the turntable 52 rotates, driving the fixing block 41 to rotate around the rotation center of the turntable 52, and pushing the swing rod 42 to rotate away from the alarm block 46 near one end, the swing rod 42 is driven by the rotation center of the swing rod 42 to rotate away from one end of the fixed block 41, the alarm rod 45 is driven by the flower-shaped groove 43 to move, so that the alarm 47 is driven to move and impact the alarm block 46, an alarm sound is generated, when the fixed block 41 is separated from the swing rod 42, the next fixed block 41 is not contacted with the swing rod 42, at the moment, the alarm 47 is reset under the action of the connecting spring 44, so that the alarm rod 45 is driven to move, so that the swing rod 42 is driven to reset, meanwhile, the sliding block 20 moves downwards to drive the moving rod 21 to move downwards, so that the connecting rod 23 is driven to rotate clockwise, so that the rotating rod 24 is driven to rotate towards the symmetry center, so that the rotating rod 24 is driven to move towards the symmetry center, when the pushing block 25 is contacted with the transmission block 29, a reaction force is received, the control box 30 is driven to move, thereby facilitating the passage of the train and the protection box 11 returns to the original position by the support spring 50 when the train is far away.
The invention has the beneficial effects that: the protection box is laid on the rail, so that a construction vehicle can directly pass through the rail, the top of the protection box is provided with the elastic guide rail, the construction vehicle is pressed to generate electricity, when a train arrives, the protection box is lifted, and the force generated by rotating the protection box drives the alarm to make a sound, so that a constructor is reminded of the arrival of the train.
In the above manner, a person skilled in the art can make various changes depending on the operation mode within the scope of the present invention.
Claims (3)
1. A rail protection device with an alarm comprises two rails and is characterized in that the middle points of the two rails are used as a symmetry center, a protection box is symmetrically arranged on the left and right sides of the rails in an abutting mode, a transmission block is arranged on one side, away from the symmetry center, of the rails in an abutting mode, a control box is arranged on one side, away from the symmetry center, of the transmission block in a sliding mode, an alarm cavity and a power generation cavity are arranged in the protection box, the alarm cavity is located above the power generation cavity, a rotary table is rotatably arranged in the alarm cavity, eight rolling cavities are uniformly and circumferentially distributed in the rotary table, balls are arranged in the rolling cavities in a rolling mode, a moving block is slidably arranged in the rolling cavities, the rolling cavities are close to the rotation center of the rotary table relative to the balls, one end, away from the balls, of the, one end, far away from the ball, of the thin rod is fixedly connected with a fixed block, a swinging rod is rotatably arranged on the rear wall below the alarm cavity and the rear wall of one end, far away from the symmetry center, of the swinging rod, a flower-shaped groove is formed in one end, far away from the rotation center, of the swinging rod, and the alarm rod is connected in a spline in the flower-shaped groove; one end of the alarm rod, which is far away from the flower-shaped groove, is fixedly connected with an alarm, one side of the alarm, which is far away from the flower-shaped groove, is fixedly provided with an alarm block, one end of the protection box far away from the symmetric center is fixedly provided with a straight gear, the protection box is hinged with the control box through the straight gear, one end of the straight gear far away from the symmetric center is engaged and connected with a movable rack, a movable cavity and a control cavity with an upward opening are arranged in the control box, the control cavity is positioned above the moving cavity, a slide block is arranged in the control cavity in a sliding manner, the lower end of the moving rack is fixedly connected with the slide block, the sensor is fixedly arranged on one inner wall of the moving cavity close to the symmetry center, one side of the sensor close to the symmetry center is abutted against the transfer block, an electromagnet is fixedly arranged on the upper wall of the moving cavity, and a supporting spring is fixedly arranged between the electromagnet and the sliding block.
2. A rail guard with an alarm according to claim 1, wherein: slider lower extreme fixed connection carriage release lever, the articulated connecting rod that is equipped with of carriage release lever lower extreme, it is equipped with the dwang to remove the intracavity rotation, it is equipped with and promotes the piece to remove the intracavity slip, the connecting rod with the dwang is articulated to be connected, the dwang with promote a splined connection.
3. A rail guard with an alarm according to claim 1, wherein: the upper end of the protection box is fixedly provided with an elastic rail, the left side and the right side of the elastic rail form an arch bridge, the transmission rack is arranged in the protection box in a sliding way, the inner wall of one side of the power generation cavity, which is close to the symmetry center, is rotatably provided with an optical axis, the inner wall of one side of the power generation cavity, which is far away from the symmetry center, is fixedly provided with an accumulator, the U-shaped magnet is fixedly arranged at the bottom of the power generation cavity, the transmission gear and the clockwork spring are fixedly connected on the optical axis, the transmission gear is close to the symmetrical center relative to the clockwork spring, one end of the clockwork spring, which is far away from the transmission gear, is fixedly connected with the coil, the coil is connected with the accumulator through a connecting wire, the transmission gear is meshed with the lower end of the transmission rack, the upper end of the transmission rack is abutted against the elastic rail, a stop block is fixedly arranged on the transmission rack, and an adjusting spring is fixedly arranged between the stop block and the protection box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010504674.0A CN111576102B (en) | 2020-06-05 | 2020-06-05 | Rail protector with alarm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010504674.0A CN111576102B (en) | 2020-06-05 | 2020-06-05 | Rail protector with alarm |
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| Publication Number | Publication Date |
|---|---|
| CN111576102A true CN111576102A (en) | 2020-08-25 |
| CN111576102B CN111576102B (en) | 2020-12-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010504674.0A Active CN111576102B (en) | 2020-06-05 | 2020-06-05 | Rail protector with alarm |
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