Highway guardrail device with adjustable height

Abstract

The utility model discloses a height-adjustable road guardrail device which comprises a cross beam, vertical beams are welded to the two sides of the cross beam, a lifting frame is arranged above the cross beam, the lifting frame is connected to the surfaces of the vertical beams in a sliding mode, fixing pipes are welded to the bottoms of the two sides of the lifting frame, locking assemblies are arranged in inner cavities of the fixing pipes, and the locking assemblies are connected with the vertical beams in a sliding mode. The locking assembly comprises a sliding sleeve connected to an inner cavity of the fixing pipe in a sliding mode, an inner cavity of the sliding sleeve is connected with a limiting pin in a sliding mode, and a plurality of limiting inserting holes matched with the limiting pin are formed in the side, away from the cross beam, of the vertical beam. The cross beam, the vertical beam and the lifting frame are used in cooperation to protect a road, the vertical beam and the lifting frame are used in cooperation to adjust the protection height, meanwhile, the fixed pipe, the locking assembly and the threaded rotary knob are used in cooperation to lock the adjusted height, and the safety of the road is improved. Therefore, the purposes of adjustable protection height, simple adjustment and firm locking can be achieved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of traffic safety facilities, especially relates to a height -adjustable highway guardrail device. BACKGROUND

[0002] The highway guardrail is a kind of traffic safety facilities arranged on the two sides of highway or central reservation, for preventing vehicle from deviating from road, protecting the safety of pedestrians and reducing the severity of traffic accidents, and the highway guardrail should be reasonably selected according to the grade of highway, traffic flow, speed, topography and other factors, generally arranged on the two sides of highway or central reservation, close to the edge of driving lane, to ensure that vehicle can be blocked by guardrail in time when out of control.

[0003] Due to different topography and design requirements, different height guardrails are needed to provide effective protection, and relatively fixed guardrails cannot meet the height adjustment requirement or the adjustment process is relatively cumbersome, and fixed height guardrails can not meet the safety requirement of these special road sections, thereby increasing the risk of traffic accidents or reducing construction efficiency, therefore, a height-adjustable highway guardrail device is needed, which adopts the way of damping limiting to support the height of guardrail at zero time, and further locks the adjusted guardrail by the way of thread extrusion, so as to improve application scene and construction efficiency. SUMMARY

[0004] The utility model aims at providing a height-adjustable highway guardrail device, which adopts the way of damping limiting to support the height of guardrail at zero time, and further locks the adjusted guardrail by the way of thread extrusion, so as to improve application scene and construction efficiency, to solve the above technical problem.

[0005] The technical scheme for solving the above technical problem of the utility model is as follows: a height-adjustable highway guardrail device, comprising a crossbeam: the two sides of the crossbeam are welded with vertical beams, the upper of the crossbeam is provided with a lifting frame, the lifting frame is slidably connected on the surface of vertical beam, the bottom of the two sides of the lifting frame is welded with a fixed tube, the inner cavity of the fixed tube is provided with a locking assembly, the locking assembly comprises a sliding sleeve slidably connected in the inner cavity of the fixed tube, the inner cavity of the sliding sleeve is slidably connected with a limiting pin, the side of the vertical beam away from the crossbeam is provided with a plurality of limiting insertion holes matched with the limiting pin, the inner cavity of the sliding sleeve is provided with a spring, one end of the spring is welded with the inner wall of the sliding sleeve, the other end of the spring is welded with the limiting pin.

[0006] Preferably, the top of the crossbeam is fixedly connected with a plurality of isolation tubes, the top of the inner cavity of the lifting frame is fixedly connected with a plurality of isolation rods, and the isolation rod is slidably connected in the inner cavity of the isolation tube.

[0007] Preferably, the inner cavity of the fixed pipe is threadedly connected with a threaded knob, and the surface of the limiting pin is fixedly connected with a fixed ring.

[0008] Preferably, one side of the limiting pin is fixedly connected with a sliding pin, and the spring is sleeved on the surface of the sliding pin.

[0009] Preferably, the front side and the rear side of the sliding sleeve are fixedly connected with limiting strips, and the front side and the rear side of the inner cavity of the fixed pipe are provided with limiting sliding grooves matched with the limiting strips.

[0010] Preferably, the bottom of the vertical beam is welded with a mounting bottom plate, and threaded through holes are formed in the four corners of the top of the mounting bottom plate.

[0011] The utility model discloses the beneficial effect is:

[0012] 1. The utility model discloses the cooperation of horizontal beam, vertical beam and lifting frame is used to the protection of highway, the cooperation of vertical beam and lifting frame is used to the adjustment of protection height, and the cooperation of fixed pipe, locking assembly and threaded knob is used to the locking of the height of adjustment, can reach the purpose that protection height is adjustable and adjustment is simple, locking is firm.

[0013] 2. The utility model discloses the cooperation of isolation pipe and isolation rod is used to the isolation between two vertical beams, and plays the role of limiting and guiding between vertical beam and lifting frame, improves the protection effect of the guardrail, and guarantees the stability of lifting frame in the process of lifting.

[0014] 3. The utility model discloses the cooperation of threaded knob and fixed ring is used to the extrusion limiting of limiting pin, makes lifting frame adjust to certain height, causes the sliding sleeve to push, and then causes the extrusion of limiting pin and fixed ring, makes limiting pin can stably be engaged in the inner cavity of limiting insert hole, and the limiting locking of lifting frame. DRAWINGS

[0015] Among them:

[0016] Figure 1 It is the three-dimensional schematic view of one embodiment of the utility model;

[0017] Figure 2 It is the front view of one embodiment of the utility model vertical beam, lifting frame, fixed pipe and locking assembly;

[0018] Figure 3 It is the three-dimensional explosion view of one embodiment of the utility model fixed pipe, locking assembly and threaded knob;

[0019] Figure 4 It is the three-dimensional schematic view of one embodiment of the utility model horizontal beam, vertical beam and isolation pipe.

[0020] The components represented by the reference numbers in the drawings are listed as follows:

[0021] 1, beam, 2, vertical beam, 3, lifting frame, 4, fixed tube, 5, locking assembly, 51, sliding sleeve, 52, limiting pin, 53, limiting hole, 54, sliding pin, 55, spring, 6, threaded knob, 7, fixed ring, 8, isolation tube, 9, isolation rod, 10, limiting strip, 11, limiting sliding groove, 12, mounting bottom plate. DETAILED DESCRIPTION

[0022] In the following, the embodiment of the height-adjustable highway guardrail device of the present application will be described with reference to the accompanying drawings.

[0023] Figures 1-4 The height-adjustable highway guardrail device of one embodiment of the present application is shown, which comprises a beam 1: both sides of the beam 1 are welded with vertical beams 2, the bottom of the vertical beam 2 is welded with a mounting bottom plate 12, threaded through holes are formed in the four corners of the top of the mounting bottom plate 12, a lifting frame 3 is arranged above the beam 1, a plurality of isolation tubes 8 are fixedly connected to the top of the beam 1, a plurality of isolation rods 9 are fixedly connected to the top of the inner cavity of the lifting frame 3, the isolation rod 9 is slidingly connected in the inner cavity of the isolation tube 8, through the cooperation of the isolation tube 8 and the isolation rod 9, the two vertical beams 2 are isolated, and at the same time, the vertical beam 2 and the lifting frame 3 are limited and guided, the protection effect of the guardrail is improved, and the stability of the lifting frame 3 during lifting is ensured, the lifting frame 3 is slidingly connected to the surface of the vertical beam 2, the bottom of both sides of the lifting frame 3 is welded with a fixed tube 4, the inner cavity of the fixed tube 4 is provided with a locking assembly 5, the locking assembly 5 comprises a sliding sleeve 51 slidingly connected in the inner cavity of the fixed tube 4, a limiting pin 52 slidingly connected in the inner cavity of the sliding sleeve 51, a limiting strip 10 fixedly connected to the front side and the rear side of the sliding sleeve 51, limiting sliding grooves 11 formed in the front side and the rear side of the inner cavity of the fixed tube 4 and matched with the limiting strip 10, a sliding pin 54 fixedly connected to one side of the limiting pin 52, a spring 55 sleeved on the surface of the sliding pin 54, a threaded knob 6 threadedly connected in the inner cavity of the fixed tube 4, a fixed ring 7 fixedly connected to the surface of the limiting pin 52, through the cooperation of the threaded knob 6 and the fixed ring 7, the limiting pin 52 is extruded and limited, the lifting frame 3 is adjusted to a certain height, the sliding sleeve 51 is pushed, the limiting pin 52 and the fixed ring 7 are extruded, the limiting pin 52 can be stably clamped in the inner cavity of the limiting hole 53, the lifting frame 3 is limited and locked, a plurality of limiting holes 53 matched with the limiting pin 52 are formed in the side of the vertical beam 2 away from the beam 1, the inner cavity of the sliding sleeve 51 is provided with a spring 55, one end of the spring 55 is welded with the inner wall of the sliding sleeve 51, and the other end of the spring 55 is welded with the limiting pin 52.

[0024] Working principle: the utility model uses, the user fixes the installation bottom plate 12 in the highway protection position through the cooperation use of expansion bolt and threaded through hole, then the user adjusts the height of lifting frame 3 according to actual demand, when adjusting, the user directly pulls up and down lifting frame 3, makes lifting frame 3 slide on the surface of vertical beam 2, lifting frame 3 drives sliding sleeve 51 to move up and down through fixed pipe 4, under the action of the elasticity of spring 55 and the arc surface of the end of limiting pin 52, limiting pin 52 repeatedly enters and separates from the inner chamber of different limiting jack 53, until the height of lifting frame 3 is determined, under the action of the elasticity of spring 55, limiting pin 52 is engaged in the inner chamber of current limiting jack 53, and the height of lifting frame 3 is temporarily fixed, then the user rotates threaded knob 6, threaded knob 6 is pushed into the inner chamber of fixed pipe 4 in the process of rotating, makes sliding sleeve 51 be extruded and slide, until the end of sliding sleeve 51 away from threaded knob 6 and the surface of fixed ring 7 contact, the position of limiting pin 52 is fixed, finally the use height of lifting frame 3 is locked.

[0025] In conclusion: the height-adjustable highway guardrail device, through the cooperation use of cross beam 1, vertical beam 2 and lifting frame 3, the highway is protected, the protection height is adjusted through the cooperation use of vertical beam 2 and lifting frame 3, and the height of the height-adjustable highway guardrail device is locked through the cooperation use of fixed pipe 4, locking assembly 5 and threaded knob 6, so as to achieve the purposes that the protection height is adjustable, the adjustment is simple, and the locking is firm.

Claims

1. An adjustable height highway guardrail device, comprising: The utility model provides a kind of lifting frame, including crossbeam (1): the both sides of the crossbeam (1) are welded with vertical beam (2), the top of the crossbeam (1) is provided with lifting frame (3), the surface of vertical beam (2) is slidably connected with lifting frame (3), the bottom of the both sides of lifting frame (3) is welded with fixed tube (4), the inner cavity of fixed tube (4) is provided with locking assembly (5), the locking assembly (5) includes sliding sleeve (51) slidably connected in the inner cavity of fixed tube (4), the inner cavity of sliding sleeve (51) is slidably connected with limit pin (52), the side of vertical beam (2) away from crossbeam (1) is provided with multiple limit insertion hole (53) matched with limit pin (52), the inner cavity of sliding sleeve (51) is provided with spring (55), one end of spring (55) is welded with the inner wall of sliding sleeve (51), the other end of spring (55) is welded with limit pin (52).

2. The height adjustable highway guardrail device of claim 1, wherein, The top of the crossbeam (1) is fixedly connected with multiple isolation tubes (8), the top of the inner cavity of the lifting frame (3) is fixedly connected with multiple isolation rods (9), and the isolation rods (9) are slidably connected in the inner cavity of the isolation tubes (8).

3. The height adjustable highway guardrail device of claim 2, wherein, The inner cavity of the fixed tube (4) is threadedly connected with a threaded knob (6), and the surface of the limit pin (52) is fixedly connected with a fixed ring (7).

4. The height adjustable highway guardrail device of claim 3, wherein, One side of the limit pin (52) is fixedly connected with a sliding pin (54), and the spring (55) is sleeved on the surface of the sliding pin (54).

5. The height adjustable highway guardrail device of claim 4, wherein, The front side and the back side of the sliding sleeve (51) are fixedly connected with limit strips (10), and the front side and the back side of the inner cavity of the fixed tube (4) are provided with limit sliding grooves (11) matched with the limit strips (10).

6. The height adjustable highway guard device of claim 5, wherein, The bottom of the vertical beam (2) is welded with a mounting bottom plate (12), and threaded holes are formed in the four corners of the top of the mounting bottom plate (12).

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