CN220225007U - Wear-resistant speed reducer for bridge roadbed - Google Patents

Abstract

The utility model discloses a wear-resistant speed reducer for a bridge roadbed, which comprises a wear-resistant speed reducer body pre-buried in the bridge roadbed, wherein the wear-resistant speed reducer body comprises a fixed box pre-buried in the bridge roadbed, a back-shaped support plate is sleeved in the fixed box in a sliding manner, the top of the back-shaped support plate is movably contacted with a cast steel speed reducer, and a plurality of clamping grooves are formed in the bottom of the cast steel speed reducer. The utility model can remind a driver to decelerate by arranging a series of structures, reduces the phenomenon that the driver forgets to observe to decelerate due to negligence, is convenient for transversely buffering and unloading force when the cast steel deceleration strip is impacted transversely to the left, is convenient for vertically buffering and unloading force when the cast steel deceleration strip is impacted vertically, reduces the risk of long-time damage to the cast steel deceleration strip due to transverse impact while providing vertical protection by matching the left transverse buffering and unloading force with the vertical buffering and unloading force, and improves the protection comprehensiveness, thereby improving the protection effect of the cast steel deceleration strip.

Description

Wear-resistant speed reducer for bridge roadbed

Technical Field

The utility model relates to the technical field of wear-resistant speed reduction equipment, in particular to a wear-resistant speed reduction device for a bridge subgrade.

Background

Bridge is a structure which is generally erected on rivers, lakes and seas and can smoothly pass vehicles, pedestrians and the like. In order to adapt to the traffic industry of modern high-speed development, bridges are also extended to span mountain stream, poor geology or buildings which are erected to meet other traffic requirements and enable the traffic to be more convenient, and on some sections of bridge roadbeds, deceleration strips are required to be arranged to force vehicles to slow down, so that traffic accidents are avoided; in this regard, publication No. CN214939475U discloses a wear-resistant speed reducer for bridge pavement, which comprises a first installation groove formed in the pavement, a U-shaped seat is installed in the first installation groove, a box body is arranged in the U-shaped seat, a speed reducing belt is connected to the box body in a sliding manner, a reminding mechanism is installed in the speed reducing belt, and a plurality of groups of buffer mechanisms are arranged in the box body; the buffer mechanism comprises two sliding rails, two fixing plates, two sliding blocks, two hinging rods, two fixing rods and two first springs, and a plurality of second springs are fixedly connected to the inner bottom surface of the box body; through setting up buffer gear, when the vehicle applys pressure to the deceleration strip, the deceleration strip can the downwardly moving and extrudees articulated pole, and articulated pole can promote the slider and remove and lengthen first spring, and then makes the inner wall butt of dead lever and box body, and then turns into horizontal thrust with the partial pressure of vehicle, and the resilience force of first spring can provide certain cushioning effect for the deceleration strip to reduce the damage of vehicle to the deceleration strip, prolonged deceleration strip life.

The above-mentioned patent discloses a wear-resisting decelerator for bridge road surface, through the cooperation of first spring, second spring, articulated lever and the slider that set up, realize supplying its vertical to move downwards when the deceleration strip receives the extrusion to utilize the elasticity of first spring and second spring to its buffering unload the power, reduce the damage of deceleration strip, improve its life, but it still has some not enough:

the buffer belt is only subjected to vertical buffer force unloading in a mode of being used for vertically moving the speed reducing belt and being matched with the elastic piece to buffer, the running direction of the vehicle is transverse, transverse impact and vertical extrusion can be formed on the speed reducing belt during initial collision, the buffer treatment to the transverse impact force can not be effectively performed only in a vertical buffer mode, the risk that the speed reducing belt is damaged by the transverse impact for a long time is large, and the protection effect is not ideal.

Disclosure of Invention

The utility model aims to provide a wear-resistant speed reducer for a bridge subgrade, which is used for solving the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the wear-resistant speed reducer comprises a wear-resistant speed reducer body which is pre-buried in the bridge roadbed, wherein the wear-resistant speed reducer body comprises a fixed box which is pre-buried in the bridge roadbed, a back-shaped support plate is sleeved in the fixed box in a sliding manner, a cast steel speed reducing strip is movably contacted with the top of the back-shaped support plate, a plurality of clamping grooves are formed in the bottom of the cast steel speed reducing strip, a reminding lamp strip is fixedly embedded on the right side of the cast steel speed reducing strip, the wear-resistant speed reducing effect is provided on the bridge roadbed by utilizing the wear-resistant advantage of the cast steel speed reducing strip, a reminding lamp strip is utilized to remind a driver, and the phenomenon that the driver forgets to observe to reduce speed due to negligence is reduced;

a transverse buffering anti-collision assembly is fixedly connected between the inner walls of the two sides of the rectangular support plate, the top of the transverse buffering anti-collision assembly is fixedly connected with a plurality of clamping blocks, the clamping blocks are movably clamped in corresponding clamping grooves, and the transverse buffering anti-collision assembly is used for protecting a cast steel deceleration strip from transverse buffering unloading force when the cast steel deceleration strip is impacted leftwards;

fixedly connected with backup pad between the both sides inner wall of fixed box, the bottom of returning shape extension board is a plurality of vertical buffering guide assembly of rectangle fixedly connected with, and backup pad slip cap is established on a plurality of vertical buffering guide assembly, fixedly connected with returns shape shock attenuation offset between the top of backup pad and the bottom of returning shape extension board, and vertical buffering guide assembly is used for the vertical buffering of cast steel deceleration strip and unloads the power.

Preferably, the transverse buffering anti-collision assembly comprises three transverse guide rods fixedly connected between the inner walls of the two sides of the rectangular support plate, the same sliding block is sleeved on the three transverse guide rods in a sliding mode, the top of the sliding block is fixedly connected with a moving plate, the top of the moving plate is fixedly connected with the bottoms of the clamping blocks, anti-collision rubber blocks are fixedly adhered to the inner walls of the two sides of the rectangular support plate, the moving plate is positioned between the two anti-collision rubber blocks and matched with the anti-collision rubber blocks, a fixing sleeve is fixedly sleeved on the transverse guide rods, a first buffering spring is fixedly connected between the right side of the fixing sleeve and the left side of the sliding block, and the first buffering spring is movably sleeved on the corresponding transverse guide rods; the transverse guide rod, the sliding block, the movable plate, the anti-collision rubber block, the fixed sleeve and the first buffer spring are matched, when the vehicle runs leftwards on the bridge subgrade to form impact to the cast steel deceleration strip, the cast steel deceleration strip is impacted to displace leftwards and drive a plurality of clamping blocks to displace leftwards, the clamping blocks drive the movable plate to displace leftwards, the movable plate drives the sliding block to slide leftwards on the three transverse guide rods and compress the first buffer spring, at the moment, the left anti-collision rubber block can prevent the movable plate from directly and rigidly colliding with the inner wall of the rectangular support plate, and the transverse buffering unloading force of the cast steel deceleration strip is realized by using the elasticity of the first buffer spring, so that the risk of being damaged by transverse impact is reduced.

Preferably, the vertical buffer guide assembly comprises T-shaped guide rods fixedly connected to the bottoms of the rectangular support plates, the support plates are slidably sleeved on the plurality of T-shaped guide rods, a plurality of second buffer springs are fixedly connected between the tops of the support plates and the bottoms of the rectangular support plates, and the second buffer springs are movably sleeved on the corresponding T-shaped guide rods; the T-shaped guide rods are matched with the second buffer springs, when the cast steel deceleration strip is impacted by downward extrusion of wheels, the cast steel deceleration strip moves downwards and drives the return support plate to move downwards, the return support plate drives the plurality of T-shaped guide rods to move downwards, the plurality of second buffer springs and the return shock-absorbing rubber blocks are compressed, and the downward impact force is buffered and unloaded by utilizing the elasticity of the second buffer springs and the return shock-absorbing rubber blocks.

Preferably, the bottom fixedly connected with battery of backup pad, battery and warning light electrified nature are connected.

Preferably, the screw thread groove has been seted up at the top of fixture block, and cast steel deceleration strip's top is provided with the recess that front side and rear side were the opening setting, and screw thread inslot screw thread cover is equipped with fixing bolt, and fixing bolt's top extends to in the recess, and cast steel deceleration strip movable sleeve is established on a plurality of fixing bolts.

Preferably, the right side of the cast steel deceleration strip is provided with an embedded groove which is fixedly adhered to the outside of the reminding lamp belt.

Preferably, the distance between the sliding block and the left anti-collision rubber block is 0.7-1.2cm.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the wear-resistant speed reducing device for the bridge subgrade, through the reminding lamp belt, a driver is reminded of reducing speed, and the phenomenon that the driver forgets to observe to reduce speed due to negligence is reduced;

2. according to the wear-resistant speed reducer for the bridge subgrade, the cast steel speed reducer, the rectangular support plate and the transverse buffer anti-collision assembly are matched, and when a vehicle runs leftwards on the bridge subgrade to form leftwards collision impact on the cast steel speed reducer, left transverse buffer unloading force on the cast steel speed reducer can be realized;

3. the utility model provides a wear-resisting decelerator for bridge road bed, through cast steel deceleration strip, the shape extension board that returns, backup pad and vertical buffering direction subassembly cooperation that sets up, when cast steel deceleration strip receives the vertical extrusion impact of wheel, can its gas vertical displacement and to its elasticity buffering unload the power, utilize left horizontal buffering to unload the cooperation of power and vertical buffering to unload the power, reduce cast steel deceleration strip and receive the risk of horizontal impact damage for a long time when providing vertical protection, improve the protection comprehensiveness.

According to the utility model, the speed reduction of a driver is realized through the arranged reminding lamp belt, the phenomenon that the driver forgets to observe to perform speed reduction due to negligence is reduced, the transverse buffering and unloading force is conveniently carried out on the cast steel speed reduction belt when the cast steel speed reduction belt is impacted leftwards transversely through the arranged cast steel speed reduction belt, the support plate and the vertical buffering and guiding assembly are combined, the vertical buffering and unloading force is conveniently carried out on the cast steel speed reduction belt when the cast steel speed reduction belt is impacted vertically, and the left transverse buffering and unloading force is matched with the vertical buffering and unloading force, so that the risk of the cast steel speed reduction belt being damaged by the transverse impact for a long time is reduced while the vertical protection is provided, the protection comprehensiveness is improved, and the protection effect on the cast steel speed reduction belt is improved.

Drawings

Fig. 1 is a schematic perspective view of a wear-resistant speed reducer for bridge subgrade according to the present utility model;

fig. 2 is a schematic diagram of a front cross-sectional structure of a wear-resistant speed reducer for bridge subgrade, which is embedded in the bridge subgrade;

fig. 3 is an enlarged schematic view of the portion a in fig. 2 according to the present utility model.

In the figure: 1. cast steel deceleration strip; 101. a clamping groove; 2. a fixed box; 3. a loop-shaped support plate; 4. a support plate; 5. a square shock-absorbing rubber block; 6. a T-shaped guide rod; 7. a second buffer spring; 8. a warning light belt; 9. a moving plate; 10. a clamping block; 11. a fixing bolt; 12. a transverse guide rod; 13. a slide block; 14. a fixed sleeve; 15. a first buffer spring; 16. and an anti-collision rubber block.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

As shown in fig. 1 to 3, the wear-resistant speed reducer for bridge roadbed provided by the embodiment comprises a wear-resistant speed reducer body pre-buried in the bridge roadbed, the wear-resistant speed reducer body comprises a fixed box 2 pre-buried in the bridge roadbed, a back-shaped support plate 3 is sleeved in the fixed box 2 in a sliding manner, the top of the back-shaped support plate 3 is movably contacted with a cast steel speed reducing belt 1, a plurality of clamping grooves 101 are formed in the bottom of the cast steel speed reducing belt 1, a reminding light belt 8 is fixedly embedded on the right side of the cast steel speed reducing belt 1, an embedded groove fixedly adhered to the outer side of the reminding light belt 8 is formed in the right side of the cast steel speed reducing belt 1, the effect that the reminding light belt 8 is not protruded and embedded is prevented from being directly impacted by wheels is achieved, the wear-resistant advantage of the cast steel speed reducing belt 1 is utilized to provide wear-resistant speed reducing effect on the bridge roadbed, and the reminding light belt 8 is utilized to remind a driver to forget to observe the speed reducing phenomenon due to negligence;

the device comprises a steel-casting speed reducing belt 1, a plurality of fixing bolts 11, a transverse buffering anti-collision assembly, a plurality of clamping blocks 10, a threaded groove, a fixing bolt 11, a plurality of bolt penetrating holes, a plurality of fixing bolt 11 and a transverse buffering anti-collision assembly, wherein the transverse buffering anti-collision assembly is fixedly connected between the inner walls of the two sides of the steel-casting speed reducing belt 3, the plurality of clamping blocks 10 are fixedly connected to the top of the transverse buffering anti-collision assembly, the clamping blocks 10 are movably clamped in corresponding clamping grooves 101, the tops of the clamping blocks 10 are provided with the threaded grooves, the tops of the steel-casting speed reducing belt 1 are provided with grooves with openings, the front sides and the rear sides of the grooves are respectively provided with the grooves, the fixing bolts 11 are sleeved with the threads in the threaded grooves, the tops of the fixing bolts 11 extend into the grooves, the steel-casting speed reducing belt 1 is movably sleeved on the plurality of fixing bolts 11, the inner walls of the bottom of the grooves are respectively and movably contacted with the outer sides of the corresponding fixing bolts 11, the steel-casting speed reducing belt 1 is movably sleeved on the plurality of fixing bolts 11 through the bolt penetrating holes, so that the fixing bolts 11 can penetrate through the effect, and the transverse buffering anti-collision assembly is used for protecting transverse buffering and unloading force when the steel-casting speed reducing belt 1 is subjected to left transverse impact; fixedly connected with backup pad 4 between the both sides inner wall of fixed box 2, the bottom fixedly connected with battery of backup pad 4, battery and warning light area 8 electric connection, the bottom of returning shape extension board 3 is a plurality of vertical buffering guide components of rectangle fixedly connected with, backup pad 4 slip cap establishes on a plurality of vertical buffering guide components, fixedly connected with returns shape shock attenuation offset 5 between the top of backup pad 4 and the bottom of returning shape extension board 3, vertical buffering guide component is used for the vertical buffering of cast steel deceleration strip 1 and unloads the power.

Specifically, the transverse buffering anti-collision assembly comprises three transverse guide rods 12 fixedly connected between the inner walls of two sides of the rectangular support plate 3, the same sliding block 13 is sleeved on the three transverse guide rods 12 in a sliding manner, three transverse guide holes which are respectively in sliding contact with the outer sides of the corresponding transverse guide rods 12 are formed in the right side of the sliding block 13, the sliding block 13 is sleeved on the three transverse guide rods 12 in a sliding manner through the three transverse guide holes, the effect of transversely sliding and guiding the sliding block 13 is achieved, the top of the sliding block 13 is fixedly connected with a moving plate 9, the top of the moving plate 9 is fixedly connected with the bottoms of a plurality of clamping blocks 10, anti-collision rubber blocks 16 are fixedly adhered to the inner walls of two sides of the rectangular support plate 3, the moving plate 9 is positioned between the two anti-collision rubber blocks 16 and matched with the anti-collision rubber blocks 16, the distance between the sliding block 13 and the left anti-collision rubber blocks 16 is 0.7 cm to 1.2cm, the effect of anti-collision of the sliding block 13 and the maximum moving distance of the sliding block is achieved, a fixed sleeve 14 is fixedly sleeved on the sliding guide rod 12, a first buffer spring 15 is fixedly connected between the right side of the fixed sleeve 14 and the left side of the sliding block 13, and the corresponding transverse buffering spring 15 is sleeved on the corresponding sliding rod 12; the horizontal guide rod 12, the sliding block 13, the movable plate 9, the anti-collision rubber block 16, the fixed sleeve 14 and the first buffer spring 15 are arranged to be matched, when a vehicle runs leftwards on a bridge subgrade to form impact on the cast steel deceleration strip 1, the cast steel deceleration strip 1 is impacted to displace leftwards and drive the clamping blocks 10 to displace leftwards, the clamping blocks 10 drive the movable plate 9 to displace leftwards, the movable plate 9 drives the sliding block 13 to slide leftwards on the three horizontal guide rods 12 and compress the first buffer spring 15, at the moment, the left anti-collision rubber block 16 can prevent the movable plate 9 from directly and rigidly colliding with the inner wall of the rectangular support plate 3, and the force is discharged by transversely buffering the cast steel deceleration strip 1 by utilizing the elasticity of the first buffer spring 15, so that the risk of being damaged by transverse impact is reduced.

Further, the vertical buffering guide assembly comprises T-shaped guide rods 6 fixedly connected to the bottoms of the rectangular support plates 3, the support plates 4 are slidably sleeved on the plurality of T-shaped guide rods 6, a plurality of vertical guide holes which are respectively in sliding contact with the outer sides of the corresponding T-shaped guide rods 6 are formed in the top of the support plates 4 in a rectangular shape, the support plates 4 are slidably sleeved on the plurality of T-shaped guide rods 6 through the plurality of vertical guide holes, the effect of vertically slidably guiding the T-shaped guide rods 6 is achieved, a plurality of second buffering springs 7 are fixedly connected between the tops of the support plates 4 and the bottoms of the rectangular support plates 3, and the second buffering springs 7 are movably sleeved on the corresponding T-shaped guide rods 6; the T-shaped guide rods 6 and the second buffer springs 7 are matched, when the cast steel deceleration strip 1 is impacted by downward extrusion of wheels, the cast steel deceleration strip 1 moves downwards and drives the return support plates 3 to move downwards, the return support plates 3 drive the T-shaped guide rods 6 to move downwards, the second buffer springs 7 and the return shock-absorbing rubber blocks 5 are compressed, and the downward impact force is buffered and unloaded by the aid of the elasticity of the second buffer springs 7 and the return shock-absorbing rubber blocks 5.

The application method of the embodiment is as follows: the reminding lamp strip 8 is used for reminding a driver, so that the phenomenon that the driver forgets to observe to decelerate due to negligence is reduced, when the vehicle runs leftwards on a bridge subgrade to form impact on the cast steel deceleration strip 1, the cast steel deceleration strip 1 is impacted to displace leftwards and drives the clamping blocks 10 to displace leftwards, the clamping blocks 10 drive the moving plate 9 to displace leftwards, the moving plate 9 drives the sliding block 13 to slide leftwards on the three transverse guide rods 12 and compress the first buffer springs 15, at the moment, the left anti-collision rubber block 16 can prevent the moving plate 9 from directly and rigidly colliding with the inner wall of the rectangular support plate 3, and the transverse buffering unloading force of the cast steel deceleration strip 1 is realized by using the elasticity of the first buffer springs 15, so that the risk of transverse impact damage is reduced;

when the cast steel deceleration strip 1 is impacted by downward extrusion of wheels, the cast steel deceleration strip 1 moves downwards and drives the back-shaped support plate 3 to move downwards, the back-shaped support plate 3 drives the plurality of T-shaped guide rods 6 to move downwards and compresses the plurality of second buffer springs 7 and the back-shaped damping rubber blocks 5, the downward impact force is buffered and unloaded by the aid of the elasticity of the second buffer springs 7 and the back-shaped damping rubber blocks 5, after a vehicle runs, the second buffer springs 7 in a compressed state drive the cast steel deceleration strip 1 to move upwards and return through the back-shaped support plate 3, the first buffer springs 15 in a compressed state drive the cast steel deceleration strip 1 to move backwards and return rightwards through the sliding blocks 13, the moving plate 9 and the plurality of clamping blocks 10 in sequence, and the horizontal impact force and the vertical impact force are buffered and unloaded through the cooperation of the cast steel deceleration strip 1 to the left, so that the risk of damage of the cast steel deceleration strip 1 due to transverse impact is reduced, the protection comprehensive is improved, and the protection effect on the cast steel deceleration strip 1 is improved.

Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (7)

1. The utility model provides a wear-resisting decelerator for bridge road bed, includes the wear-resisting decelerator body of pre-buried in bridge road bed, wear-resisting decelerator body is including pre-buried fixed box (2) in bridge road bed, its characterized in that: the fixed box (2) is internally sleeved with a back-shaped support plate (3), the top of the back-shaped support plate (3) is movably contacted with a cast steel deceleration strip (1), a plurality of clamping grooves (101) are formed in the bottom of the cast steel deceleration strip (1), and a reminding lamp strip (8) is embedded and fixed on the right side of the cast steel deceleration strip (1);

a transverse buffering anti-collision assembly is fixedly connected between the inner walls of the two sides of the rectangular support plate (3), the top of the transverse buffering anti-collision assembly is fixedly connected with a plurality of clamping blocks (10), and the clamping blocks (10) are movably clamped in corresponding clamping grooves (101);

fixedly connected with backup pad (4) between the both sides inner wall of fixed box (2), the bottom of return shape extension board (3) is a plurality of vertical buffering guide assembly of rectangle fixedly connected with, and backup pad (4) slip cap is established on a plurality of vertical buffering guide assembly, fixedly connected with returns shape shock attenuation offset (5) between the top of backup pad (4) and the bottom of return shape extension board (3).

2. The wear-resistant speed reducer for bridge subgrade according to claim 1, characterized in that: the transverse buffering anti-collision assembly comprises three transverse guide rods (12) fixedly connected between the inner walls of two sides of the rectangular support plate (3), the same sliding block (13) is arranged on the transverse guide rods (12) in a sliding mode, the top of each sliding block (13) is fixedly connected with a movable plate (9), the top of each movable plate (9) is fixedly connected with the bottoms of the corresponding clamping blocks (10), anti-collision rubber blocks (16) are fixedly bonded on the inner walls of two sides of the rectangular support plate (3), each movable plate (9) is located between two anti-collision rubber blocks (16) and matched with each anti-collision rubber block (16), a fixing sleeve (14) is fixedly sleeved on each transverse guide rod (12), a first buffering spring (15) is fixedly connected between the right side of each fixing sleeve (14) and the left side of each sliding block (13), and the first buffering spring (15) is movably sleeved on the corresponding transverse guide rod (12).

3. A wear-resistant speed reducer for bridge subgrade according to claim 2, characterized in that: the vertical buffering guide assembly comprises T-shaped guide rods (6) fixedly connected to the bottoms of the square support plates (3), the support plates (4) are slidably sleeved on the T-shaped guide rods (6), a plurality of second buffering springs (7) are fixedly connected between the tops of the support plates (4) and the bottoms of the square support plates (3), and the second buffering springs (7) are movably sleeved on the corresponding T-shaped guide rods (6).

4. The wear-resistant speed reducer for bridge subgrade according to claim 1, characterized in that: the bottom of backup pad (4) fixedly connected with battery, battery and warning lamp area (8) electric connection.

5. The wear-resistant speed reducer for bridge subgrade according to claim 1, characterized in that: screw thread groove has been seted up at the top of fixture block (10), and the top of cast steel deceleration strip (1) is provided with the recess that front side and rear side were the opening setting, and screw thread inslot thread bush is equipped with fixing bolt (11), and in the top of fixing bolt (11) extended to the recess, cast steel deceleration strip (1) movable sleeve was established on a plurality of fixing bolts (11).

6. The wear-resistant speed reducer for bridge subgrade according to claim 1, characterized in that: an embedded groove which is fixedly adhered to the outer side of the reminding lamp belt (8) is formed in the right side of the cast steel deceleration strip (1).

7. A wear-resistant speed reducer for bridge subgrade according to claim 2, characterized in that: the distance between the sliding block (13) and the left anti-collision rubber block (16) is 0.7-1.2cm.