CN213086633U

CN213086633U - Bridge height limiting device

Info

Publication number: CN213086633U
Application number: CN202021433389.6U
Authority: CN
Inventors: 李文
Original assignee: Sichuan Feng Feng Construction Engineering Co ltd
Current assignee: Sichuan Feng Feng Construction Engineering Co ltd
Priority date: 2020-07-20
Filing date: 2020-07-20
Publication date: 2021-04-30
Anticipated expiration: 2030-07-20

Abstract

The application relates to a bridge limit for height device, it includes first support column and second support column, is provided with the horizontal pole between first support column and the second support column. First spout has been seted up along vertical direction on the lateral wall of first support column orientation second support column, and it is provided with the movable block to slide in the first spout, rotates on the movable block and is provided with the rotor plate. The rotating plate is provided with a first driving device for driving the inner rod to stretch, and the first sliding groove is internally provided with a second driving device for driving the movable block to lift. The bottom of first support column and second support column all is provided with the gyro wheel that is used for removing whole device. The width between the supporting columns can be adjusted through the first driving device during working, so that the device is suitable for roads with different widths; the height of the cross rod can be adjusted through the second driving device, and the height of the cross rod is limited for roads with different height limiting requirements. This application has the effect that can carry out the limit for height to different road bridges.

Description

Bridge height limiting device

Technical Field

The application relates to the field of bridge facilities, in particular to a bridge height limiting device.

Background

The height limiting device is used for limiting the passing of overhigh vehicles and playing a role in protecting roads and bridges, and in a driving road section with the bridge, because the height of the bridge is limited, the height limiting device is arranged and marked with a height prompt for limiting the passing, so that the height of the passing vehicles is limited, and the irreparable loss caused by the collision of the vehicles and the bridge due to the overhigh vehicles is avoided.

The patent with the publication number of CN210368725U discloses a road and bridge limit for height device, including the regulation hole, the bar groove, mounting two, the adjustment tank, the roll-over tank, hold the chamber, splice and splice groove, it sets up inside the support column to hold the chamber, the roll-over tank sets up at the support column upside, the bar groove has been seted up to horizontal pole one inside intermediate position, the bar groove has been seted up to two inside intermediate positions of horizontal pole, the splice groove has been seted up to horizontal pole one right-hand member face, two left end faces of horizontal pole are fixed with the splice, splice groove and splice junction installation mounting two, the adjustment tank has been seted up to the support column inboard, the regulation hole has been seted up on the terminal surface right side before the support column, through imbedding mounting two to fixed orifices two, realize the fixed connection of splice and splice groove.

With respect to the related art among the above, there are the following drawbacks: the device is fixed on two sides of a road, and is inconvenient to adjust when the road is widened or the limited height is changed, so that the applicability of the device is low.

SUMMERY OF THE UTILITY MODEL

In order to improve the suitability of device, this application provides a bridge limit for height device.

The application provides a bridge limit for height device adopts following technical scheme:

the utility model provides a bridge limit for height device, includes first support column and second support column, the level is provided with the horizontal pole between first support column and the second support column, the horizontal pole includes interior pole and outer pole, the one end of outer pole is connected on first support column, interior pole slides and wears to establish the one end of keeping away from first support column at the outer pole, the one end that the outer pole was kept away from to the interior pole is connected with the second support column, be provided with on the first support column and be used for driving interior pole along the gliding first drive assembly of outer pole length direction, be provided with the elevating gear who is used for the lift horizontal pole on the first support column, the bottom of first support column and second support column all is provided with the removal portion.

Through adopting above-mentioned technical scheme, will limit for height the device through removing the portion to the road during use, start first drive assembly and make the horizontal pole extension to make the interval between first bracing piece and the second bracing piece increase, lie in the road both sides until first bracing piece and second bracing piece, realize the effect of limit for height, just can make the device be applicable to the road of different money through the length of adjustment horizontal pole, effectively improved the suitability of device.

Preferably, first drive assembly includes a drive motor, screw rod and screw sleeve, the screw rod rotates and sets up in outer pole, screw sleeve threaded sleeve establishes on the screw rod, the one end and the screw sleeve fixed connection that outer pole was stretched into to interior pole, a drive motor sets up on first support column, a drive motor's output shaft and the coaxial fixed connection of screw rod.

Through adopting above-mentioned technical scheme, when the length of horizontal pole needs to be adjusted, only need to start first driving motor and drive the screw rod and rotate, through flexible in the screw drive pole between screw rod and the threaded sleeve, just can change the length of horizontal pole, make operation process convenient and fast more.

Preferably, elevating gear includes first spout and movable block, first spout is seted up in one side of first support column towards the second support column along vertical direction, the movable block slides and sets up in first spout, the one end of outer pole is connected on the movable block, first driving motor sets up on the movable block, the second spout has been seted up along vertical direction in one side of second support column towards first support column, it is provided with the driven piece to slide in the first spout, the one end that outer pole was kept away from to interior pole is connected with the driven piece, be provided with the second drive assembly who is used for driving the movable block activity on the first support column.

Through adopting above-mentioned technical scheme, when the height of injecing need change, open second drive assembly, drive the movable block and slide along first spout, the movable block passes through the horizontal pole and drives the driven piece and slide along the second spout to realize the effect of adjustment horizontal pole height, effectively improve device's suitability.

Preferably, the second driving assembly comprises a first gear, a first rack and a second driving motor, the second driving motor is fixedly arranged on the movable block, an output shaft of the second driving motor is horizontally arranged and parallel to the cross rod, the first gear is fixedly connected with an output shaft of the second driving motor in a coaxial mode, and the first rack is arranged on the inner wall of the sliding groove in the vertical direction and meshed with the first gear.

Through adopting above-mentioned technical scheme, when the height of adjustment horizontal pole, only need open second driving motor and drive first gear revolve, first gear moves the transmission with first rack and drives the movable block and slide along first spout, just can adjust the height of horizontal pole, makes operation process convenient and fast more.

Preferably, it is provided with the rotor plate to rotate on the movable block, the axis of rotation level of rotor plate sets up and perpendicular to horizontal pole, the one end of outer pole is connected on the movable block, a driving motor sets up on the movable block, parallel arrangement has two vertical splint on the top surface of driven block, interior pole setting is between two splint, the jack has all been seted up on interior pole and two splint, coaxial slip wears to be equipped with the bolt in the jack.

Through adopting above-mentioned technical scheme, when needing to carry the limit for height device, extract the jack from the jack in, will go up to move from the piece and take off in will, start first driving motor and withdraw interior pole in the outer pole, rotate the horizontal pole to with first bracing piece laminating to fall into two independent support columns with the limit for height device, make the transportation of device convenient and fast more.

Preferably, the moving part comprises a plurality of rollers, and the rollers are arranged at the bottom of the supporting column and are uniformly arranged at intervals along the circumferential direction of the bottom of the supporting column.

Through adopting above-mentioned technical scheme, contact gyro wheel and ground during the removal, can directly promote the device body and remove, it is more convenient when making the device remove.

Preferably, the bottom of first support column and second support column all slides and is provided with the support sleeve, the support sleeve cover is established outside support column and the removal portion, be provided with the third drive assembly who is used for driving the support sleeve along the activity of vertical direction on the support sleeve.

Through adopting above-mentioned technical scheme, the position adjustment of whole device is accomplished the back, slides downwards through third drive assembly drive supporting sleeve, makes supporting sleeve and ground contact and upwards prop the support column, makes the gyro wheel leave ground, effectively prevents that the device from sliding, effectively improves the stability of device, plays the guard action to the gyro wheel simultaneously.

Preferably, the third drive assembly includes second gear, second rack and depression bar, the second rack sets firmly on the support column along vertical direction, a bar hole has been seted up along vertical direction on the support sleeve, the second gear rotates and sets up in the bar hole, the axis of rotation level of second gear sets up, second gear and second rack intermeshing, shown depression bar setting is in the support sleeve outside, the one end and the gear fixed connection of depression bar, be provided with on the support sleeve and be used for restricting depression bar pivoted buckle.

By adopting the technical scheme, when the device is fixed, the pressing rod is pressed downwards to drive the second gear to rotate, the supporting sleeve is driven to slide downwards through the meshing transmission of the second gear and the second rack until the supporting rod is jacked up, the pressing rod is clamped with the buckle to limit the rotation of the pressing rod, and therefore the device is fixed; during the mobile device, open the buckle, upwards rotate the depression bar and drive the support sleeve rebound, make gyro wheel and ground contact, upwards rotate the depression bar to with the support sleeve laminating back, with depression bar and the rotation of buckle joint restriction depression bar, just can the mobile device, effectively improved the stability of device during operation.

In summary, the present application includes at least one of the following beneficial technical effects:

1. a cross bar is horizontally arranged between the first support column and the second support column, the cross bar comprises an inner bar and an outer bar, the inner bar is slidably arranged in the outer bar in a penetrating manner, a first driving assembly for driving the inner bar to slide is arranged on the first support column, the length of the cross bar is adjusted through the first driving assembly to adjust the distance between the first support column and the second support column, and the cross bar is suitable for road bridges with different widths;

2. the first support column is provided with a first sliding chute, a movable block is arranged in the first sliding chute in a sliding manner, the first support column is provided with a second driving assembly for driving the movable block to move, the outer rod and the first driving motor are arranged on the movable block, and the height of the cross rod can be adjusted by adjusting the position of the movable block through the second driving assembly;

3. the bottom of support column sets up the slip cover and is equipped with supporting sleeve, is provided with the third drive assembly who is used for driving supporting sleeve along the activity of vertical direction on the supporting sleeve, and the during operation slides downwards to with ground contact through third drive assembly drive supporting sleeve, and the preventing device slides, effectively improves the stability of device.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of the present application.

Fig. 2 is a partially cut-away schematic view of another perspective of an embodiment of the present application.

Fig. 3 is a partially enlarged schematic view of a portion a in fig. 2.

Fig. 4 is a partially enlarged schematic view of a portion B in fig. 2.

Fig. 5 is a partially enlarged schematic view of a portion C in fig. 1.

Description of reference numerals: 1. a first support column; 2. a second support column; 3. a cross bar; 31. an outer rod; 32. an inner rod; 4. a first drive assembly; 41. a first drive motor; 42. a screw; 43. a threaded sleeve; 5. a first chute; 6. a movable block; 61. a rotating plate; 7. a second drive assembly; 71. a second drive motor; 72. a first gear; 73. a first rack; 8. a second chute; 9. a driven block; 91. a splint; 92. a jack; 93. a bolt; 10. a roller; 11. a support sleeve; 12. a third drive assembly; 121. a second gear; 122. a second rack; 123. a pressure lever; 124. a strip-shaped hole; 13. and (5) buckling.

Detailed Description

The present application is described in further detail below with reference to figures 1-5.

The embodiment of the application discloses bridge limit for height device, refer to fig. 1, and the device includes first support column 1 and second support column 2, is provided with horizontal pole 3 between first support column 1 and the second support column 2. First support column 1 has seted up first spout 5 along vertical direction on the lateral wall of second support column 2, and it is provided with movable block 6 to slide in first spout 5, rotates on the movable block 6 and is provided with rotor plate 61, and the axis of rotation level of rotor plate 61 sets up and perpendicular to horizontal pole 3. Second spout 8 has been seted up along vertical direction on the lateral wall of second support column 2 orientation first support column 1, and it is provided with driven piece 9 to slide in the second spout 8, has two splint 91 along vertical direction parallel weld on the top surface of driven piece 9, and splint 91 is parallel with horizontal pole 3, has seted up two jacks 92 on two splint 91, and it wears to be equipped with bolt 93 to slide in the jack 92. The cross rod 3 comprises an outer rod 31 and an inner rod 32, the inner rod 32 is slidably arranged at one end, far away from the first support column 1, of the outer rod 31 in a penetrating mode, the outer rod 31 is welded with the rotating plate 61, the inner rod 32 is erected between the two clamping plates 91, and a plug pin 93 corresponding to the jack 92 is arranged on the inner rod 32. When needing to be transported, the bolt 93 can be pulled out, the inner rod 32 is detached from the driven block 9, the inner rod 32 is retracted into the outer rod 31, the outer rod 31 is rotated to be attached to the first support column 1, the height limiting device is divided into two parts, and the effect of convenient transportation is achieved.

Referring to fig. 1, the bottom of each of the first support column 1 and the second support column 2 is provided with a moving portion including four rollers 10. The four rollers 10 are respectively installed at four corners of the bottom surface of the support column through bolts. The inner rod 32 is detached, the outer rod 31 is rotated to be attached to the first support column 1, the two support columns can be moved through the idler wheels 10, and the transportation process is more convenient.

Referring to fig. 2 and 3, the rotating plate 61 is provided with a first driving assembly 4 for driving the inner rod 32 to slide along the length direction of the outer rod 31, and the first driving assembly 4 includes a first driving motor 41, a screw rod 42 and a threaded sleeve 43, the screw rod 42 is rotatably disposed in the outer rod 31 along the length direction of the outer rod 31, the threaded sleeve 43 is threadedly sleeved on the screw rod 42 and welded to the inner rod 32, the first driving motor 41 is fixedly disposed on the rotating plate 61 through a bolt, and an output shaft of the first driving motor 41 and the screw rod 42 are coaxially and fixedly disposed through a coupler. The length of the cross rod 3 can be adjusted by driving the screw rod 42 to rotate through the first driving motor 41, so that the device is suitable for roads and bridges of different types, and the applicability of the device is effectively improved.

Referring to fig. 1 and 4, a first sliding groove 5 is formed in the side wall of the first support column 1 facing the second support column 2 along the vertical direction, a movable block 6 is slidably arranged in the first sliding groove 5, and a second driving assembly 7 for driving the movable block 6 to slide along the first sliding groove 5 is arranged on the movable block 6 and comprises a first gear 72, a first rack 73 and a second driving motor 71. The second driving motor 71 is a stepping motor with a locking function, the second driving motor 71 is embedded in the movable block 6, an output shaft of the second driving motor 71 is arranged along the length direction of the cross rod 3 and extends out of the movable block 6, the first gear 72 is in coaxial key joint with the output shaft of the second driving motor 71, the first rack 73 is embedded in the side wall of the first sliding chute 5 along the vertical direction, and the first gear 72 and the first rack 73 are meshed with each other. The second driving motor 71 drives the first gear 72 to slide along the first rack 73, so that the height of the cross rod 3 can be adjusted, and the applicability of the device is effectively improved.

Referring to fig. 2 and 5, the bottom of the first support column 1 and the bottom of the second support column 2 are slidably provided with a support sleeve 11, the support sleeve 11 is sleeved outside the moving part and the support column, a guide groove is formed in the support column along the vertical direction, a guide block is fixedly arranged on the support sleeve 11, and the guide block is slidably connected with the guide groove. The supporting sleeve 11 is provided with a third driving assembly 12 for driving the supporting sleeve 11 to move.

Referring to fig. 5, the third driving assembly 12 includes a second gear 121, a second rack 122, and a pressing lever 123. The second rack 122 is embedded on the support column along the vertical direction, a strip hole 124 has been seted up along the vertical direction on the support sleeve 11 on the support column, and second gear 121 rotates and sets up in strip hole 124, and the axis of rotation level sets up, second gear 121 and second rack 122 intermeshing. The pressing rod 123 is welded on the rotating shaft of the second gear 121, and the buckles 13 matched with the pressing rod 123 are welded at the positions of the supporting sleeve 11 above and below the second gear 121. The catch 13 comprises a lock cover, an annular catch and a latch hook. The locking closure is articulated with a link of buckle 13, and the latch hook is fixed at another link in buckle 13 area, and is spacing with depression bar 123 through the lockhole, has effectively avoided support sleeve 11 to slide, effectively improves the stability of device.

When the supporting sleeve 11 is in a lifting state, the pressing rod 123 is vertically upwards clamped with the buckle 13 on the upper side; when the support sleeve 11 is in the support state, the pressing rod 123 vertically downwards is clamped with the buckle 13 on the lower side. After the positions of the first supporting column 1 and the second supporting column 2 are adjusted, the pressing rod 123 is taken out from the buckle 13 above, the pressing rod 123 is rotated downwards, the second gear 121 and the second rack 122 are meshed for transmission to drive the supporting sleeve 11 to move downwards, after the supporting sleeve 11 is contacted with the ground, the pressing rod 123 is continuously rotated to drive the second gear 121 to upwards support the supporting column through the second rack 122, the moving part is separated from the ground and positioned in the supporting sleeve 11, then the pressing rod 123 is clamped into the buckle 13 below, the supporting sleeve 11 supports the whole device, the sliding of the device during working is prevented, and the stability of the device is effectively improved.

The implementation principle of the bridge height limiting device in the embodiment of the application is as follows: when a certain road and bridge height limitation is needed, the first supporting column 1 and the second supporting column 2 are arranged side by side along the width direction of a road, the first driving motor 41 is started to adjust the length of the cross rod 3 through the transmission of the screw rod 42 and the threaded sleeve 43, the supporting columns are pushed to slide towards two sides under the support of the roller 10, after the distance between the first supporting column 1 and the second supporting column 2 is equal to the road width, the supporting columns are pushed to enable the first supporting column 1 and the second supporting column 2 to be located on two sides of the road respectively, the second driving motor 71 is opened, the first gear 72 and the first rack 73 are meshed for transmission, the cross rod 3 is enabled to slide along the first sliding groove 5 and the second sliding groove 8, and therefore the height required to be limited is adjusted. Through the interval of adjustment between first support column 1 and the second support column 2 and the height of horizontal pole 3, make the device can limit for the height to the road and bridge that the width is different to according to the height that different adjusting device of condition restricted, effectively improved the suitability of device.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a bridge limit for height device, includes first support column (1) and second support column (2), the level is provided with horizontal pole (3), its characterized in that between first support column (1) and second support column (2): horizontal pole (3) are including interior pole (32) and outer pole (31), the one end of outer pole (31) is connected on first support column (1), interior pole (32) slide and wear to establish the one end of keeping away from first support column (1) in outer pole (31), the one end and the second support column (2) of keeping away from outer pole (31) in interior pole (32) are connected, be provided with on first support column (1) and be used for driving interior pole (32) along the gliding first drive assembly (4) of outer pole (31) length direction, be provided with the elevating gear who is used for lifting horizontal pole (3) on first support column (1), the bottom of first support column (1) and second support column (2) all is provided with the removal portion.

2. A bridge height limiting device according to claim 1, wherein: first drive assembly (4) include first driving motor (41), screw rod (42) and threaded sleeve (43), screw rod (42) are rotated and are set up in outer pole (31), threaded sleeve (43) screw sleeve is established on screw rod (42), the one end and threaded sleeve (43) fixed connection that interior pole (32) stretched into outer pole (31), first driving motor (41) set up on first support column (1), the output shaft and the coaxial fixed connection of screw rod (42) of first driving motor (41).

3. A bridge height limiting device according to claim 2, wherein: elevating gear includes first spout (5) and movable block (6), one side towards second support column (2) is seted up in first support column (1) along vertical direction in first spout (5), movable block (6) slide and set up in first spout (5), the one end of outer pole (31) is connected on movable block (6), first driving motor (41) set up on movable block (6), second spout (8) have been seted up along vertical direction in one side of first support column (1) in second support column (2), it is provided with driven block (9) to slide in first spout (5), the one end that outer pole (31) were kept away from in interior pole (32) is connected with driven block (9), be provided with second drive assembly (7) that are used for driving movable block (6) activity on first support column (1).

4. A bridge height limiting device according to claim 3, wherein: the second driving assembly (7) comprises a first gear (72), a first rack (73) and a second driving motor (71), the second driving motor (71) is fixedly arranged on the movable block (6), an output shaft of the second driving motor (71) is horizontally arranged and parallel to the cross rod (3), the first gear (72) is fixedly connected with an output shaft of the second driving motor (71) in a coaxial mode, and the first rack (73) is arranged on the inner wall of the first sliding groove (5) in the vertical direction and meshed with the first gear (72).

5. A bridge height limiting device according to claim 3, wherein: it is provided with rotor plate (61) to rotate on movable block (6), the axis of rotation level of rotor plate (61) sets up and perpendicular to horizontal pole (3), parallel arrangement has two vertical splint (91) on the top surface of driven piece (9), interior pole (32) set up between two splint (91), jack (92) have all been seted up on interior pole (32) and two splint (91), coaxial slip is worn to be equipped with bolt (93) in jack (92).

6. A bridge height limiting device according to claim 1, wherein: the moving part comprises a plurality of rollers (10), and the rollers (10) are arranged at the bottom of the supporting column and are uniformly arranged at intervals along the circumferential direction of the bottom of the supporting column.

7. A bridge height limiting device according to claim 6, wherein: the bottom of first support column (1) and second support column (2) all slides along vertical direction and is provided with supporting sleeve (11), supporting sleeve (11) cover is established outside support column and gyro wheel (10), be provided with on supporting sleeve (11) and be used for driving supporting sleeve (11) along the third drive assembly (12) of vertical direction activity.

8. A bridge height limiting device according to claim 7, wherein: third drive assembly (12) include second gear (121), second rack (122) and depression bar (123), second rack (122) set firmly on the support column along vertical direction, a bar hole (124) has been seted up along vertical direction with the position that second rack (122) correspond on support sleeve (11), second gear (121) rotate to set up in bar hole (124), the axis of rotation level setting of second gear (121), second gear (121) and second rack (122) intermeshing, depression bar (123) set firmly in the axis of rotation of second gear (121), the one end and the second gear (121) fixed connection of depression bar (123), the top and the below of the axis of rotation of second gear (121) all are provided with and are used for restricting depression bar (123) pivoted buckle (13).