CN113774834A

CN113774834A - Be used for road and bridge width restriction device

Info

Publication number: CN113774834A
Application number: CN202111221388.4A
Authority: CN
Inventors: 吴海丽
Original assignee: Individual
Current assignee: Zhang Weiguang
Priority date: 2021-10-20
Filing date: 2021-10-20
Publication date: 2021-12-10
Anticipated expiration: 2041-10-20
Also published as: CN113774834B

Abstract

The invention discloses a device for limiting the width of a road and bridge, and belongs to the field of equipment for limiting the width of the road and bridge. The utility model provides a be used for road and bridge width restriction device, which comprises a road surface, be located left support column downside middle part sliding connection has the limit for width regulating plate, two support column upsides are equipped with the connecting rod, the round chamber has been seted up at the connecting rod middle part, be located left support column downside middle part sliding connection has the limit for width regulating plate, limit for width regulating plate upside right-hand member is equipped with the dead lever, two support column upsides are equipped with the connecting rod, the round chamber has been seted up at the connecting rod middle part, the suggestion groove has been seted up to limit for width regulating plate upside right-hand member, elongated fluted disc bottom surface has set firmly the suggestion and has dodged the lamp plate, cooperation between the structure, make the device when carrying out the limit for width regulation, mark the suggestion that has different limits for width and dodge the lamp plate, can just remind the suggestion groove behind the node, thereby the suggestion is reminded to the driving a vehicle, it passes through to have avoided the driver to estimate the width, lead to judge the wrong condition, the condition of accident appears.

Description

Be used for road and bridge width restriction device

Technical Field

The invention relates to the field of road and bridge width restriction equipment, in particular to a road and bridge width restriction device.

Background

With the development of the traffic industry, the number of high-grade roads mainly including expressways, bridges and first-grade roads is increased year by year, and the road industry of China starts to enter a new stage with the construction of the high-grade roads as key points. The road and bridge generally consists of a plurality of parts such as a roadbed, a pavement, a bridge, a tunnel engineering and a traffic engineering facility. The roadbed is a linear structure built by soil or stones, bears the self weight of rock and soil and the gravity of a road surface, and bears the driving load transmitted by the road surface, and is an important component of the whole highway structure, and the prevention of the passage of larger vehicles or overweight and overloaded vehicles is particularly important. The document of the prior art publication No. CN106065580B provides a width limiting device for a highway bridge, which is characterized in that the width limiting device is formed by embedding an underground base, the upper surface of the base is provided with a groove, the bases at two sides of the groove are provided with supporting blocks, the top end of each supporting block is provided with a cross beam, the upper surface of the cross beam is provided with a chute, a sliding block is embedded in the chute, the sliding block is provided with a supporting column, two sides in the chute are provided with through holes, two sides of the cross beam are provided with pulleys, a motor is arranged in the groove, an output shaft of the motor is provided with a first sheave and a second sheave, a first steel wire rope and a second steel wire rope are further included, one end of the first steel wire rope is connected with the first sheave through the through holes and the pulleys, one end of the second steel wire rope is connected with the other side part of the sliding block, the other end of the second steel wire rope is connected with the second sheave through the through holes and the pulleys, and the upright column are further included, the top of stand is equipped with violently the pipe, violently is equipped with the horizontal pole in the pipe, and the end of horizontal pole is connected with the support column, is equipped with two locating holes on the inner wall of recess bottom, is equipped with the locating pin in the locating hole, although the device beneficial effect is more, nevertheless still exists following problem: the device is too simple in arrangement and single in function, width limitation is only carried out through back-and-forth movement of one rod, a driver cannot determine that two sides of the rod are the same row on the same side, the situation that the driver can pass through the device due to estimation and judgment errors is caused is not obvious, accidents are easy to happen, and meanwhile, the width of the width limitation of a passing vehicle cannot be effectively reminded, so that the device is provided for limiting the width of the road bridge.

Disclosure of Invention

1. Technical problem to be solved

The present invention is directed to a device for limiting the width of a road or bridge, so as to solve the problems mentioned in the background art.

2. Technical scheme

A device for limiting the width of a road and a bridge comprises a road surface, wherein two supporting columns are arranged on the upper side of the road surface in a left-right structure, a width limiting adjusting plate is slidably connected to the middle of the lower side of the supporting column on the left side, a fixing rod is arranged at the right end of the upper side of the width limiting adjusting plate, connecting rods are arranged on the upper sides of the two supporting columns, a round cavity is formed in the middle of each connecting rod, a trapezoidal groove is formed in the lower side of each round cavity, a limiting groove is formed in one side of the inner wall of each trapezoidal groove, a case is fixedly arranged at the right end of each connecting rod, a motor is arranged in each case, an output shaft of the motor penetrates through the outer wall of each connecting rod to extend into the corresponding round cavity and is coaxially connected with a rotary drum, a spiral groove is formed in the outer wall of the circumference of the rotary drum, the upper end of each fixing rod penetrates through the outer wall of each connecting rod to extend into the corresponding trapezoidal groove and is slidably connected with a sliding block, a cam is arranged at the upper end of each sliding block, a wheel cavity is formed in each sliding block, the utility model discloses a wheel width limiting adjusting plate, including wheel chamber, limit width adjusting plate, long fluted disc, triangular groove, guide bar one end, guide bar other end, the pivot is connected with first gear through rotating, two guide slots have been seted up to limit width adjusting plate bottom surface symmetry, the suggestion groove has been seted up to limit width adjusting plate upside right-hand member, the inside annular equidistant a plurality of elongated fluted discs that are of suggestion inslot, elongated fluted disc bottom surface has set firmly the suggestion flash lamp board, elongated fluted disc upside middle part is the fore-and-aft structure and is equipped with two ball poles, the ring channel has been seted up at suggestion inslot wall upside middle part, ring channel circumference outside intercommunication has the triangular groove, the triangular groove inner wall outside is annular equidistant a plurality of square troughs of having seted up, the square inslot portion rotates through the round pin axle and is connected with the guide bar, guide bar one end is equipped with the sloping block, the guide bar other end is equipped with the dog, guide bar outer wall one side has set firmly the extension spring.

Preferably, the middle part of the upper side of the road surface is provided with two guide rails which are of a front-back structure, and the guide rails are connected with the guide grooves in a sliding mode.

Preferably, a rack is arranged in the limiting groove, and the circumferential outer wall of the first gear penetrates through the inner wall of the wheel cavity, extends to the inside of the limiting groove and is meshed and connected with the rack.

Preferably, the number of the spiral grooves is two, and the upper end of the cam penetrates through the inner parts of the two spiral grooves, extends to the outer part and is connected with the two spiral grooves in a sliding mode.

Preferably, the rotating shaft of the first gear penetrates through the width limiting adjusting plate, extends to the inside of the prompting groove and is sleeved with a second gear, and the second gear is meshed with the long fluted disc.

Preferably, the ball rod is connected with the annular groove and the triangular groove in a sliding mode, the ball rod is connected with the guide rod and the inner wall of the inclined block in a sliding mode, and the outer end of the tension spring is connected and fixed with the inner wall of the square groove.

3. Advantageous effects

Compared with the prior art, the invention has the advantages that:

1. according to the invention, the width limiting adjusting plate is slidably connected to the middle of the lower side of the support column on the left side, the fixing rod is arranged at the right end of the upper side of the width limiting adjusting plate, the connecting rods are arranged on the upper sides of the two support columns, the round cavity is formed in the middle of the connecting rods, the prompting groove is formed in the right end of the upper side of the width limiting adjusting plate, the prompting flash lamp plates are fixedly arranged on the bottom surface of the long fluted disc, and the structures are matched with each other, so that the prompting flash lamp plates with different width limits are marked while the width limiting adjustment is carried out on the device, the prompting flash lamp plates can be just opposite to the prompting groove behind the node, the driving is prompted, the condition that a driver estimates the width to pass through, the judgment error is caused, and the accident is avoided.

2. According to the invention, the motor output shaft penetrates through the outer wall of the connecting rod to extend into the circular cavity and is coaxially connected with the rotary drum, the outer wall of the circumference of the rotary drum is provided with the spiral groove, the upper end of the slide block is provided with the cam, the inside of the slide block is provided with the wheel cavity, the bottom surface of the width limiting adjusting plate is symmetrically provided with two guide grooves, the rotary drum is driven to rotate by the motor, so that the width limiting adjusting plate can be driven to move by the cam, the width is controlled, the burden of the motor is reduced by the design of the spiral groove, and the service life of the motor is prolonged.

3. The two spiral grooves are arranged in one hundred octave mode, the upper end of the cam penetrates through the inner parts of the two spiral grooves, extends to the outer part and is in sliding connection with the two spiral grooves, and the two spiral grooves are arranged in one hundred octave mode, so that the cam penetrates through the spiral grooves to move in two-point contact mode, the moving smoothness is improved, and the situation that the cam cannot move when the cam moves in contact with the spiral grooves and has a force angle is avoided; ball pole and ring channel and the equal sliding connection of triangular groove, ball pole and the equal sliding connection of guide bar and sloping block inner wall, extension spring outer end and square groove inner wall connection are fixed, slide spacingly through ball pole 406 and make elongated fluted disc 403 remove at the fixed track, cooperate extension spring pulling guide bar to make its suggestion flashing light board at the in-process of motion can remain outside orientation throughout, thereby can demonstrate different width at three limit for width node and remind.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a cross-sectional view of a connecting rod construction of the present invention;

FIG. 3 is a schematic view of the construction of the drum of the present invention;

FIG. 4 is a schematic diagram of the internal structure of the hint slot of the present invention;

FIG. 5 is an expanded view of the inner wall structure of the cue slot of the present invention;

FIG. 6 is an enlarged view of the structure at A of the present invention;

the reference numbers in the figures illustrate: 1. a pavement; 2. a guide rail; 3. a support pillar; 4. a width limiting adjusting plate; 401. a guide groove; 402. a prompt slot; 403. a long fluted disc; 404. a second gear; 405. a prompt flash board; 406. a ball bar; 407. an annular groove; 408. a triangular groove; 409. a square groove; 4010. a guide bar; 4011. a sloping block; 4012. a stopper; 4013. a tension spring; 5. fixing the rod; 501. a slider; 502. a cam; 503. a wheel cavity; 504. a first gear; 6. a connecting rod; 601. a helical groove; 602. a circular cavity; 603. a trapezoidal groove; 604. a limiting groove; 605. a rack; 606. a chassis; 607. a motor; 608. a rotating drum.

Detailed Description

Referring to fig. 1-6, the present invention provides a technical solution:

a device for limiting the width of a road and a bridge comprises a road surface 1, two supporting columns 3 are arranged on the upper side of the road surface 1 in a left-right structure, a width limiting adjusting plate 4 is connected to the middle of the lower side of the supporting column 3 on the left side in a sliding manner, a fixing rod 5 is arranged at the right end of the upper side of the width limiting adjusting plate 4, a connecting rod 6 is arranged on the upper side of the two supporting columns 3, a round cavity 602 is arranged in the middle of the connecting rod 6, a trapezoidal groove 603 is arranged on the lower side of the round cavity 602, a limiting groove 604 is arranged on one side of the inner wall of the trapezoidal groove 603, a case 606 is fixedly arranged at the right end of the connecting rod 6, a motor 607 is arranged in the case 606, an output shaft of the motor 607 penetrates through the outer wall of the connecting rod 6 to extend into the round cavity 602 and is coaxially connected with a rotating drum 608, a spiral groove 601 is arranged on the circumferential outer wall of the rotating drum 608, the upper end of the fixing rod 5 penetrates through the outer wall of the connecting rod 6 to extend into the trapezoidal groove 603 and is connected with a sliding block 501 in a sliding manner, a cam 502 is arranged at the upper end of the sliding block 501, a wheel cavity 503 is arranged in the sliding block 501, wheel chamber 503 is inside to be connected with first gear 504 through the pivot rotation, two guide slots 401 have been seted up to 4 bottom surface symmetries of limit width regulating plate, suggestion groove 402 has been seted up to 4 upside right-hand members of limit width regulating plate, suggestion groove 402 is inside to be that the annular is equidistant to be equipped with a plurality of elongated fluted disc 403, elongated fluted disc 403 bottom surface has set firmly suggestion flash lamp board 405, elongated fluted disc 403 upside middle part is the fore-and-aft structure and is equipped with two ball poles 406, ring channel 407 has been seted up at suggestion groove 402 inner wall upside middle part, ring channel 407 circumference outside intercommunication has triangular groove 408, the triangular groove 408 inner wall outside is the annular equidistant a plurality of square troughs 409 of having seted up, the square trough 409 is inside to be connected with guide bar 4010 through the round pin hub rotation, guide bar 4010 one end is equipped with sloping block 4011, the guide bar 0 other end is equipped with dog 4012, guide bar 4010 outer wall one side has set firmly extension spring 4013. Cooperation between the structure for the device is when carrying out the limit for width regulation, and the suggestion flash of light board 405 that the mark has different limit for width is just to the suggestion groove behind the node, thereby reminds the suggestion to the driving, has avoided the driver to estimate the width and has passed through, leads to the condition of judgement error, the condition of accident appears.

Specifically, the middle of the upper side of the road surface 1 is provided with two guide rails 2 which are of a front-back structure, and the guide rails 2 are in sliding connection with the guide grooves 401. By the design of the guide rail 2, the width limiting adjusting plate 4 can only move and adjust left and right.

Further, a rack 605 is arranged inside the limiting groove 604, and the outer circumferential wall of the first gear 504 passes through the inner wall of the wheel cavity 503 and extends into the limiting groove 604 to be meshed with the rack 605. The first gear 504 is moved by the slider 501, so that the first gear 504 is engaged with the rack 605, and the first gear 504 rotates, thereby rotating the second gear 404.

Still further, two spiral grooves 601 are arranged in one hundred octaves, and the upper end of the cam 502 passes through the inner parts of the two spiral grooves 601 to extend to the outer part and is connected with the two spiral grooves in a sliding mode. Two spiral grooves 601 are arranged in one hundred octaves, so that the cam 502 can move through the spiral grooves in a two-point contact manner, the moving smoothness is improved, and the situation that the cam cannot move when the cam moves in a contact force angle is avoided.

Furthermore, the rotating shaft of the first gear 504 passes through the inside of the width-limiting adjustment plate 4 and extends to the inside of the prompting slot 402, and is sleeved with a second gear 404, and the second gear 404 is meshed with the elongated fluted disc 403. The second gear 404 rotates, so that the long fluted disc 403 is driven to rotate.

It is worth to be noted that the ball rod 406 is slidably connected with the annular groove 407 and the triangular groove 408, the ball rod 406 is slidably connected with the inner walls of the guide rod 4010 and the inclined block 4011, and the outer end of the tension spring 4013 is fixedly connected with the inner wall of the square groove 409. Make elongated fluted disc 403 remove at fixed orbit through ball pole 406 slip is spacing, cooperation extension spring 4013 pulling guide bar to make its in-process suggestion flash of motion board 405 can remain outside orientation throughout, thereby three limit for width node again can demonstrate different width and remind.

The working principle is as follows: when the device for limiting the width of the road and bridge is needed, firstly, the motor 607 is driven by the controller to rotate the output shaft, the output shaft of the motor 607 passes through the outer wall of the connecting rod 6 to extend into the circular cavity 602 and is coaxially connected with the rotary drum 608, the outer wall of the circumference of the rotary drum 608 is provided with two spiral grooves 601, the spiral grooves 601 are arranged in one hundred octave, the upper end of the cam 502 passes through the inner parts of the two spiral grooves 601 to extend to the outer part and is in sliding connection with the same, the rotary drum 608 rotates and is provided with two spiral grooves 601 in one hundred octave, so that the cam 502 passes through the spiral grooves to move in two-point contact, the smoothness of movement is increased, the situation that the cam cannot move when the angle stress of force occurs in moving contact is avoided, the width limiting adjusting plate 4 is driven by the fixing rod 5 to move, meanwhile, because the rack 605 is arranged in the limiting groove 604, the outer wall of the circumference of the first gear 504 passes through the inner wall of the wheel cavity 503 to extend into the limiting groove 604 and is in meshed connection with the rack 605, the first gear 504 is driven to move by the slider 501, so that the first gear 504 is meshed with the rack 605 by the first gear 504, the second gear 404 is driven to rotate, a rotating shaft of the first gear 504 penetrates through the width limiting adjusting plate 4 and extends into the prompting slot 402 and is sleeved with the second gear 404, the second gear 404 is meshed with the long fluted disc 403 and rotates by the second gear 404, so that the long fluted disc 403 is driven to rotate and move, the ball rods 406 are arranged in the front and back structures at the middle part of the upper side of the long fluted disc 403, the ball rods 406 are in sliding connection with the annular groove 407 and the triangular groove 408, the ball rods 406 are in sliding connection with the guide rods 4010 and the inner walls of the inclined blocks 4011, the outer ends of the tension springs 4013 are connected and fixed with the inner walls of the square grooves 409, the long fluted disc 403 moves in a fixed track by the sliding limit of the ball rods 406, the guide rods are pulled by the tension springs 4013, so that the prompting flasher 405 can always keep an outward direction in the moving process, so that different width reminders can be shown at the three width-limited nodes.

Claims

1. The utility model provides a be used for road and bridge width restriction device, includes road surface (1), its characterized in that: the upper side of the pavement (1) is provided with two supporting columns (3) in a left-right structure, the middle part of the lower side of each supporting column (3) on the left side is slidably connected with a width limiting adjusting plate (4), the right end of the upper side of each width limiting adjusting plate (4) is provided with a fixing rod (5), the upper sides of the two supporting columns (3) are provided with a connecting rod (6), the middle part of each connecting rod (6) is provided with a round cavity (602), the lower side of the round cavity (602) is provided with a trapezoidal groove (603), one side of the inner wall of the trapezoidal groove (603) is provided with a limiting groove (604), the right end of each connecting rod (6) is fixedly provided with a case (606), a motor (607) is arranged inside the case (606), an output shaft of the motor (607) penetrates through the outer wall of each connecting rod (6) to extend into the round cavity (602) and is coaxially connected with a rotating drum (608), and the outer wall of the circumference of the rotating drum (608) is provided with a spiral groove (601), the upper end of the fixing rod (5) penetrates through the outer wall of the connecting rod (6) to extend into the trapezoidal groove (603) and is connected with a sliding block (501) in a sliding manner, a cam (502) is arranged at the upper end of the sliding block (501), a wheel cavity (503) is formed in the sliding block (501), a first gear (504) is rotatably connected into the wheel cavity (503) through a rotating shaft, two guide grooves (401) are symmetrically formed in the bottom surface of the width limiting adjusting plate (4), a prompting groove (402) is formed in the right end of the upper side of the width limiting adjusting plate (4), a plurality of long fluted discs (403) are arranged in the prompting groove (402) at equal intervals in an annular manner, a prompting flashing plate (405) is fixedly arranged on the bottom surface of each long fluted disc (403), two ball rods (406) are arranged in the front and back structure at the middle of the upper side of each long fluted disc (4), and an annular groove (407) is formed in the middle of the upper side of the inner wall of each prompting groove (402), annular groove (407) circumference outside intercommunication has triangular groove (408), triangular groove (408) inner wall outside is a plurality of square grooves (409) of having seted up the annular equidistant, square groove (409) inside is rotated through the round pin axle and is connected with guide bar (4010), guide bar (4010) one end is equipped with sloping block (4011), the guide bar (4010) other end is equipped with dog (4012), guide bar (4010) outer wall one side has set firmly extension spring (4013).

2. A device for limiting the width of a road bridge according to claim 1, wherein: road surface (1) upside middle part is equipped with and is that the front and back structure is equipped with two guide rail (2), guide rail (2) and guide slot (401) sliding connection.

3. A device for limiting the width of a road bridge according to claim 1, wherein: a rack (605) is arranged in the limiting groove (604), and the circumferential outer wall of the first gear (504) penetrates through the inner wall of the wheel cavity (503) to extend into the limiting groove (604) and be meshed with the rack (605).

4. A device for limiting the width of a road bridge according to claim 1, wherein: the two spiral grooves (601) are arranged in one hundred octave mode, and the upper end of the cam (502) penetrates through the inner portions of the two spiral grooves (601), extends to the outer portion and is connected with the two spiral grooves in a sliding mode.

5. A device for limiting the width of a road bridge according to claim 1, wherein: the rotating shaft of the first gear (504) penetrates through the width limiting adjusting plate (4) and extends to the inside of the prompting groove (402) and is sleeved with a second gear (404), and the second gear (404) is meshed with the long fluted disc (403) and connected with the long fluted disc.

6. A device for limiting the width of a road bridge according to claim 1, wherein: ball pole (406) and ring channel (407) and the equal sliding connection of triangular groove (408), ball pole (406) and guide bar (4010) and the equal sliding connection of sloping block (4011) inner wall, extension spring (4013) outer end with square groove (409) inner wall connection is fixed.