Municipal bridge height limiting mechanism

Abstract

The utility model relates to a municipal bridge height limiting mechanism which comprises stand columns arranged at intervals, fixed supports are vertically arranged on the stand columns at intervals, a vertical guide rod is arranged between the two fixed supports, a sliding connection assembly is vertically connected to the guide rod in a sliding mode, and the sliding connection assembly comprises a connection seat with a U-shaped section. A transverse plate section is integrally arranged on the outer surface of the middle section of each connecting base, a vertical plate section is integrally arranged at the free end of each transverse plate section, first connecting rods extend from the two sides of each transverse plate section, second connecting rods extend from the two sides of the free end of each vertical plate section, and a height limiting check block is fixedly connected between the two connecting bases through bolts. Due to the fact that the guide rod and the sliding connection assembly are arranged in a matched mode, the sliding connection assembly vertically slides along the guide rod, the height adjusting problem of the height limiting check block is solved, and therefore the height limiting check block is suitable for bridges of different bearing structures, suitable for industrial production and high in practicability.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of municipal height limiting device, and especially relates to a municipal bridge height limiting mechanism. BACKGROUND

[0002] In the existing Chinese patent database, a patent named municipal road height limiting frame is disclosed, the application number is CN202322600646.0, the application date is September 25, 2023, the municipal road height limiting frame comprises a top plate, the two ends of the top plate are sleeved with height limiting plates, the outer wall of the end of the height limiting plate close to the top plate is fixedly connected with symmetrically distributed connecting blocks, connecting plates are rotatably connected between the connecting blocks, the end of the connecting plate away from the connecting block is rotatably connected with a first mounting plate, a first electric push rod is arranged between the top plate and the first mounting plate, the pushing end of the first electric push rod is fixedly connected with the first mounting plate, a warning sign is fixedly connected on the first mounting plate, a support frame is arranged on the bottom of the side of the height limiting plate away from the top plate, a scale plate is slidably connected in the support frame, and a stand is fixedly connected to the bottom of the scale plate; the application can adjust the width between the stands, adapt to the widths of different tunnel entrances, prevent the width between the stands from being too narrow to affect the passing of large vehicles, and reduce the damage of the collision between the vehicles exceeding the height and the height limiting frame.

[0003] At present, vehicles often need to pass through bridges, in order to prevent vehicles from being damaged and buildings from being damaged when vehicles pass through due to overheight, and to prevent dangers. Many regions set up door-shaped height limiting frames outside bridge entrances, when vehicles are overheight, the vehicles cannot pass through the height limiting frame, which plays a warning role for drivers, and different bridges can bear different pressures, and the height limiting requirements are different, therefore, the present application aims to provide a municipal bridge height limiting mechanism, which can adjust the height limiting height, so as to be suitable for different bridges. UTILITY MODEL CONTENTS

[0004] The utility model solves the technical problem of how to complete the height adjustment of the height limiting rod, so as to be suitable for bridges with different structures, in order to improve the shortcomings, the utility model provides a municipal bridge height limiting mechanism.

[0005] In order to achieve the above purpose, the utility model is realized by the following technical scheme:

[0006] The utility model provides a municipal bridge height limiting mechanism, including the stand that is arranged at intervals, the fixed support is arranged on the stand vertically and is spaced, the vertical guide rod is arranged between two fixed supports, the vertical guide rod is also connected with the sliding connection component of sliding connection, the sliding connection component includes the connecting seat of U type arrangement, the middle section outer surface of connecting seat is integrally provided with the transverse plate section, the free end of transverse plate section is integrally provided with the vertical plate section, the first connecting rod of extending is provided with the second connecting rod on the both sides of transverse plate section, the V type wheel is sleeved on the first connecting rod and the second connecting rod, the V type wheel is connected on the corresponding guide rod, the transverse plate section is provided with the through -hole, and the through -hole is connected with the rope, and the rope upper end passes through the fixed support and is connected with the lifting equipment, and the height limiting block is fixedly connected between two connecting seats through bolt.

[0007] Compared with the prior art, the utility model has the advantages that: due to the cooperation of the guide rod and the sliding connection component, the height adjustment problem of the height limiting block is solved by the vertical sliding of the sliding connection component along the guide rod, thereby the bridge of different bearing structures is applicable, and the utility model is applicable to industrial production and has strong practicability.

[0008] As a preferred scheme, the top of the two columns is provided with a cross beam, an auxiliary pulley is arranged in the cross beam above the rope, a driving pulley is arranged in the cross beam between the two auxiliary pulleys, the driving pulley is connected with the two auxiliary pulleys through the rope, and when the driving pulley rotates, the two auxiliary pulleys rotate synchronously and in opposite directions. The driving of the driving pulley can be completed by a speed reducer, and the cooperation of the driving pulley and the auxiliary pulley ensures the synchronization of the lifting and falling of the two ropes.

[0009] As a preferred scheme, a surrounding plate is arranged between the two fixed supports, the surrounding plate wraps the guide rod and the sliding connection component, vertical sliding grooves are formed in the outer side of the surrounding plate, and the sliding connection component moves in the sliding grooves. The arrangement of the surrounding plate ensures that the sliding of the guide rod and the V-shaped wheel is not affected in bad weather.

[0010] As a preferred scheme, a height indicator is arranged on the front of the height limiting block.

[0011] As a preferred scheme, a lifting button is arranged on the outer side of the column. BRIEF DESCRIPTION OF DRAWINGS

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

[0013] Fig. 2 It is a structural schematic diagram of the sliding connection component in the utility model.

[0014] Fig. 3 It is a structural schematic diagram of the V-shaped wheel in the utility model.

[0015] In the diagram: 1. Column, 2. Fixed support, 3. Guide rod, 4. Sliding connection assembly, 401. Connecting seat, 402. Horizontal plate section, 403. Vertical plate section, 404. First connecting rod, 405. Second connecting rod, 406. Through hole, 5. V-shaped wheel, 6. Rope, 7. Height limit block, 8. Crossbeam, 9. Auxiliary pulley, 10. Active pulley, 11. Enclosure, 12. Slide groove, 13. Height indicator, 14. Lifting button. Detailed Implementation

[0016] The technical solution of this application will be further described below with reference to the accompanying drawings and embodiments.

[0017] like Figs. 1-3 As shown, a height restriction mechanism for a municipal bridge includes spaced-apart columns 1, with fixed supports 2 vertically spaced on the columns 1. A vertical guide rod 3 is provided between two fixed supports 2. A sliding connection assembly 4 is vertically slidably connected to the guide rod 3. The sliding connection assembly 4 includes a connecting seat 401 with a U-shaped cross-section. A horizontal plate section 402 is integrally provided on the outer surface of the middle section of the connecting seat 401. A vertical plate section 403 is integrally provided at the free end of the horizontal plate section 402. Both sides of the plate segment 402 have first connecting rods 404 extending from them, and both sides of the free end of the vertical plate segment 403 have second connecting rods 405 extending from them. V-shaped wheels 5 are fitted onto both the first and second connecting rods 404 and 405, and the V-shaped wheels 5 are slidably connected to the corresponding guide rods 3. A through hole 406 is provided on the horizontal plate segment 402, and a rope 6 is connected inside the through hole 406. The upper end of the rope 6 passes through the fixed support 2 and is connected to the lifting equipment. A height-limiting block 7 is bolted between the two connecting seats 401. A crossbeam 8 is provided at the top of the two columns 1. Auxiliary pulleys 9 are provided in the crossbeam 8 above the rope 6, and an active pulley 10 is provided in the crossbeam 8 between the two auxiliary pulleys 9. The active pulley 10 is connected to the two auxiliary pulleys 9 via the rope 6. When the active pulley 10 rotates, the two auxiliary pulleys 9 rotate synchronously in opposite directions. The drive of the active pulley 10 can be accomplished through a reducer. The cooperation between the active pulley 10 and the auxiliary pulley 9 ensures the synchronization of the lifting and lowering of the ropes 6 on both sides. A surrounding plate 11 is provided between the two fixed supports 2, which encloses the guide rod 3 and the sliding connection assembly 4. A vertical groove 12 is opened on the outer side of the surrounding plate 11, and the sliding connection assembly 4 moves within the groove 12. The surrounding plate 11 ensures that the sliding of the guide rod 3 and the V-shaped wheel 5 is not affected in inclement weather. A height indicator 13 is provided on the front of the height limit block 7. A lifting button 14 is provided on the outer side of the column 1.

[0018] In work, the operator presses the lifting button 14 on the side of the stand column 1, controls the driving device to drive the driving pulley 10 to rotate, the driving pulley 10 rotates and drives the two auxiliary pulleys 9 to rotate synchronously, when the two auxiliary pulleys 9 rotate counterclockwise, the rope 6 is driven to move upward, at this time, the sliding connection assembly 4 moves vertically upward on the guide rod 3 through the V-shaped wheel 5, the height of the height limiting block 7 is lifted, on the contrary, when the auxiliary pulley 9 rotates clockwise, the rope 6 is driven to move downward, at this time, the sliding connection assembly 4 moves vertically downward on the guide rod 3 through the V-shaped wheel 5, the height of the height limiting block 7 is lowered, in order to ensure the stability of movement, three groups of V-shaped wheels 5 on the two sides of the guide rod 3 are controlled, and the height limiting block 7 is effectively fixed at the connecting seat 401 in the sliding connection assembly 4 through bolts or screw rods at two ends.

[0019] The utility model is not limited to the above-mentioned embodiment, on the basis of the technical scheme disclosed in the utility model, the skilled in the art can make some replacement and deformation to some technical features in the disclosed technical content without creative labor, and these replacement and deformation are all within the protection scope of the utility model.

Claims

1. A municipal bridge height restriction mechanism characterized by: The utility model provides a kind of vertical lifting device, including the column (1) of interval arrangement, the fixed support (2) is vertically spaced on the column (1), vertical guide rod (3) is arranged between two fixed supports (2), and sliding connection assembly (4) is also vertically slidingly connected on guide rod (3), the sliding connection assembly (4) includes the connecting seat (401) of U-shaped section arrangement, the outer surface of the middle section of connecting seat (401) is integrally provided with horizontal plate section (402), the free end of horizontal plate section (402) is integrally provided with vertical plate section (403), the first connecting rod (404) is extended on both sides of the horizontal plate section (402), the free end both sides of the vertical plate section (403) are extended with second connecting rod (405), V-shaped wheel (5) is sleeved on the first connecting rod (404) and second connecting rod (405), V-shaped wheel (5) is slidingly connected on corresponding guide rod (3), the horizontal plate section (402) is provided with through hole (406), and rope (6) is connected in through hole (406), the upper end of rope (6) passes through fixed support (2) and is connected with lifting equipment, and the height limiting block (7) is fixed between two connecting seats (401) by bolt.

2. A municipal bridge height restriction mechanism according to claim 1, wherein: The top of two column (1) is provided with crossbeam (8), auxiliary pulley (9) is arranged in the crossbeam (8) above rope (6), driving pulley (10) is arranged in the crossbeam (8) between two auxiliary pulleys (9), driving pulley (10) is connected with two auxiliary pulleys (9) by rope (6), when driving pulley (10) rotates, two auxiliary pulleys (9) rotate synchronously and the direction of rotation is opposite.

3. A municipal bridge height restriction mechanism according to claim 2, wherein: The enclosure (11) is arranged between two fixed supports (2), the enclosure (11) is wrapped guide rod (3) and sliding connection assembly (4), vertical slide groove (12) is opened on the outside of enclosure (11), and sliding connection assembly (4) moves in slide groove (12).

4. A municipal bridge height restriction mechanism according to claim 3, wherein: Front of the height limiting block (7) is provided with height indicator (13).

5. A municipal bridge height restriction mechanism according to any one of claims 1-4, characterized in that: The outside of the column (1) is provided with lifting button (14).

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