CN216040799U

CN216040799U - Pit hole protection device for highway construction

Info

Publication number: CN216040799U
Application number: CN202121906623.7U
Authority: CN
Inventors: 余取铭
Original assignee: Ningxia Shengdao Construction Development Co ltd
Current assignee: Ningxia Shengdao Construction Development Co ltd
Priority date: 2021-08-16
Filing date: 2021-08-16
Publication date: 2022-03-15
Anticipated expiration: 2031-08-16

Abstract

The utility model discloses a pit protection device for highway construction, and relates to the technical field of highway construction. The hydraulic telescopic support column comprises a support base, wherein a hydraulic telescopic column is fixedly connected to the top of the support base, a hollow support column is fixedly connected to the top of the hydraulic telescopic column, a worm is connected in the hollow support column in a rotating mode, a motor is fixedly connected to the top of the hollow support column, an output shaft of the motor penetrates through the hollow support column and is fixedly connected with the worm, two rotating shafts are connected in the hollow support column in a rotating mode, a worm wheel in transmission fit with the worm is fixedly sleeved on the outer circular surface of each rotating shaft, and opposite ends of the two rotating shafts penetrate through the hollow support column and are in clamping fit with a screw rod. The utility model is convenient to install, does not need to be fixed on the ground, can protect two directions by adjusting the protective baffles on two sides, can be suitable for foundation pits with different sizes, improves the protective effect and increases the practicability.

Description

Pit hole protection device for highway construction

Technical Field

The utility model belongs to the technical field of highway construction, and particularly relates to a pit protection device for highway construction.

Background

During the construction process or daily maintenance process of the highway bridge, foundation pits can be excavated on the ground according to needs, and the foundation pits can be backfilled and repaired after the engineering is finished. However, during engineering, in order not to affect the normal traffic of roads, some warning and protection facilities need to be arranged around the foundation pit to prevent vehicles and personnel from falling into the foundation pit to cause personal safety problems.

A foundation pit safety protection device for highway engineering in the prior patent application document cn202020492016.x comprises a fixed base; and the top of the front end of the fixed base is rotatably provided with a protection plate through a rotating shaft. According to the utility model, the front baffle is vertically and upwards fixedly installed at the edge of the front end of the top plane of the fixed base, the upper end of the rear end plane of the supporting mechanism is rotatably connected with the rectangular supporting plate through the rotating shaft, the lower end of the supporting plate is inserted into the limiting groove formed in the top plane of the fixed base, and the angle can be adjusted through the supporting mechanism or the supporting mechanism can be partially accommodated.

However, the foundation pit safety protection device is also a common guardrail-shaped structure, needs to be fixed on the ground, can only perform protection in a single direction, and needs to use two sets of devices and more devices if protection is performed in two or more directions, so that the device is convenient to store and transport, but has a single protection effect and poor practicability.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a pit hole protection device for highway construction, which aims to solve the problems that the existing foundation pit protection devices are mostly common guardrail-shaped structures, need to be fixed on the ground and only can be used for protection in a single direction, and if protection is required in two or more directions, two or more devices are needed, so that the protection effect is single and the practicability is poor.

In order to solve the technical problems, the utility model is realized by the following technical scheme:

the utility model relates to a pit hole protection device for highway construction, which comprises a support base, wherein the top of the support base is fixedly connected with a hydraulic telescopic column, the top of the hydraulic telescopic column is fixedly connected with a hollow support column, a worm is connected in the hollow support column in a rotating manner, the top of the hollow support column is fixedly connected with a motor, an output shaft of the motor penetrates through the hollow support column and is fixedly connected with the worm, the hollow support column is connected with two rotating shafts in a rotating manner, a worm wheel in transmission fit with the worm is fixedly sleeved on the outer circular surface of each rotating shaft, and one ends of the two rotating shafts, which are opposite to each other, penetrate through the hollow support column and are in clamping fit with a lead screw; the double-phase dorsal surface of cavity support column all sliding connection has the connecting plate, the connecting plate is kept away from cavity support column one end and is rotated and be connected with guard flap, guard flap bottom is rotated and is connected with the lantern ring with lead screw thread fit, cavity support column one end joint cooperation is kept away from to the lead screw has the speed reduction baffle.

Furthermore, the four corner ends of the supporting base are connected with fixing rivets in a rotating mode through threads.

Furthermore, the two back side surfaces of the hollow support column are respectively provided with a bar-shaped notch in sliding fit with the connecting plate, the two opposite inner walls of the bar-shaped notches are respectively provided with a limiting sliding groove, and the two side surfaces of the connecting plate are respectively and fixedly connected with a limiting sliding block matched with the limiting sliding grooves.

Furthermore, a rectangular notch is formed in one surface of the protection baffle, a plurality of protection rollers are rotatably connected in the rectangular notch, and a buffer protection layer is arranged on the outer surface of each protection roller.

Furthermore, two opposite sides of the hollow support column are fixedly connected with a plurality of flash lamps.

Furthermore, the speed reduction baffle presents the triangle-shaped structure, speed reduction baffle one surface is opened has with lead screw joint complex mounting hole, speed reduction baffle bottom fixedly connected with a plurality of anti-skidding archs.

The utility model has the following beneficial effects:

1. according to the utility model, the supporting base is fixed in the foundation pit, then the hydraulic telescopic column is adjusted to lift the hollow supporting column, the worm is driven to rotate through the motor, the protective baffles on two sides are adjusted to protect two directions of the foundation pit under the transmission matching of the worm and the worm wheel, vehicles and personnel are prevented from falling off the foundation pit, the protective effect is improved, the foundation pit is suitable for foundation pits of different sizes, and the practicability is increased.

2. According to the utility model, the protective roller and the buffer protective layer are arranged, and the protective roller can rotate, so that when a vehicle or a passerby impacts the protective roller, the protective roller contacts the buffer protective layer to offset part of impact force, and the protective roller rotates and changes the direction of an impact track, so that the vehicle or the passerby is prevented from rigidly colliding with the device, and the safety coefficient of the whole device is improved.

3. The anti-falling device has the advantages that the deceleration baffle is arranged, the deceleration effect on the moving vehicle can be realized in advance, the impact force of the vehicle impacting the protective baffle is further reduced, and meanwhile, the anti-falling device can support two sides of the anti-falling device and prevent the vehicle from falling down through the anti-sliding protrusions arranged at the bottom of the deceleration baffle.

Of course, it is not necessary for any product in which the utility model is practiced to achieve all of the above-described advantages at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic structural view of a pothole protection device for road construction according to the present invention;

FIG. 2 is a schematic diagram of the right side view of FIG. 1;

FIG. 3 is a schematic structural view of a combination of a support base, a hydraulic telescopic column and a hollow support column;

FIG. 4 is a partial cross-sectional view of a hollow support post;

FIG. 5 is an enlarged view taken at A in FIG. 4;

FIG. 6 is a schematic view of the structure of the guard shield;

FIG. 7 is a schematic diagram of the upper left view of FIG. 6;

FIG. 8 is a schematic view of the structure of the decelerating barrier;

fig. 9 is a schematic view of the structure at the lower left view angle of fig. 8.

In the drawings, the components represented by the respective reference numerals are listed below:

1-supporting base, 2-hydraulic telescopic column, 3-hollow supporting column, 4-worm, 5-motor, 6-rotating shaft, 7-worm wheel, 8-screw rod, 9-connecting plate, 10-protective baffle, 11-lantern ring, 12-speed reducing baffle, 13-fixing rivet, 14-strip-shaped notch, 15-limiting sliding groove, 16-limiting sliding block, 17-rectangular notch, 18-protective rolling shaft, 19-buffer protective layer, 20-flash lamp, 21-mounting hole and 22-anti-slip bulge.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-9, the utility model relates to a pit protection device for road construction, which comprises a support base 1, wherein the top of the support base 1 is fixedly connected with a hydraulic telescopic column 2, the top of the hydraulic telescopic column 2 is fixedly connected with a hollow support column 3, the top of the hollow support column 3 is rotatably connected with a worm 4, the top of the hollow support column 3 is fixedly connected with a motor 5, an output shaft of the motor 5 penetrates through the hollow support column 3 and is fixedly connected with the worm 4, the hollow support column 3 is rotatably connected with two rotating shafts 6, the outer circular surface of each rotating shaft 6 is fixedly sleeved with a worm wheel 7 in transmission fit with the worm 4, and the opposite ends of the two rotating shafts 6 penetrate through the hollow support column 3 and are in clamping fit with a screw rod 8; the two back side surfaces of the hollow support column 3 are both connected with a connecting plate 9 in a sliding mode, one end, far away from the hollow support column 3, of the connecting plate 9 is connected with a protective baffle 10 in a rotating mode, the bottom of the protective baffle 10 is connected with a lantern ring 11 in threaded fit with the screw rod 8 in a rotating mode, and one end, far away from the hollow support column 3, of the screw rod 8 is in clamping fit with a speed reduction baffle 12; through fixing support base 1 in the foundation ditch, then adjust the flexible post 2 of hydraulic pressure and lift hollow support column 3, drive worm 4 through motor 5 and rotate, under the transmission cooperation of worm 4 and worm wheel 7, adjust two directions of foundation ditch and protect by guard flap 10 of both sides, then install speed reduction baffle 12 in 8 one ends of lead screw, thereby avoid coming and going vehicle and personnel to drop the foundation ditch, not only improved the protecting effect, but also can be suitable for the not equidimension foundation ditch, the practicality has been increased.

Wherein, the equal screw thread of support base 1 quadrangle end rotates and is connected with fixing rivet 13, will support base 1 through fixing rivet 13 and fix inside the foundation ditch.

Wherein, the two back side surfaces of the hollow support column 3 are both provided with a strip-shaped notch 14 which is in sliding fit with the connecting plate 9, the two opposite inner walls of the strip-shaped notch 14 are both provided with a limiting sliding chute 15, and the two side surfaces of the connecting plate 9 are both fixedly connected with a limiting sliding block 16 which is matched with the limiting sliding chute 15; through the cooperation of the limiting sliding groove 15 and the limiting sliding block 16, the connecting plate 9 is limited, and can only move in the vertical direction along the strip-shaped notch 14.

Wherein, a rectangular notch 17 is formed on one surface of the protective baffle 10, a plurality of protective rollers 18 are rotatably connected in the rectangular notch 17, and a buffer protective layer 19 is arranged on the outer surface of each protective roller 18; because the protective roller 18 can rotate, when a vehicle or a passerby impacts the protective roller 18, the vehicle or the passerby contacts the buffer protective layer 19 to offset part of impact force, and meanwhile, the protective roller 18 rotates and changes the direction of an impact track, so that the vehicle or the passerby is prevented from being in rigid collision with the device, and the safety factor of the whole device is improved.

Wherein, the equal a plurality of flash lights 20 of fixedly connected with in the double-phase dorsal surface of hollow support post 3, under the not good condition of light, through the light warning of flash light 20, remind vehicle and personnel of coming and going, avoid the foundation ditch that drops.

Wherein, speed reduction baffle 12 presents the triangle-shaped structure, speed reduction baffle 12 one surface is opened has and is connected complex mounting hole 21 with lead screw 8, a plurality of non-slip raised 22 of speed reduction baffle 12 bottom fixedly connected with, through setting up speed reduction baffle 12, can play the effect of slowing down to the vehicle that removes in advance, and then reduce the impact force that the vehicle strikeed protective barrier 10, simultaneously through the non-slip raised 22 that speed reduction baffle 12 bottom set up, can play the supporting role to the both sides of this device, prevent to take place to empty.

One specific application of this embodiment is: during the use, earlier fix support base 1 in the foundation ditch, it will support base 1 and fix inside the foundation ditch to rotate fixing rivet 13, then adjust hydraulic telescoping post 2 and lift cavity support column 3, it rotates to drive worm 4 through motor 5, under the drive fit of worm 4 and worm wheel 7, adjust two directions of guard flap 10 with the foundation ditch of both sides and protect, then install reduction damper 12 in 8 one end of lead screw, thereby avoid coming and going vehicle and personnel to drop the foundation ditch, not only the protective effect has been improved, but also can be suitable for the not foundation ditch of equidimension, the practicality has been increased.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the utility model disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the utility model to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, to thereby enable others skilled in the art to best utilize the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides a pothole protection device for highway construction, includes support base (1), its characterized in that: the hydraulic telescopic column is fixedly connected to the top of the supporting base (1), a hollow supporting column (3) is fixedly connected to the top of the hydraulic telescopic column (2), a worm (4) is connected to the hollow supporting column (3) in a rotating mode, a motor (5) is fixedly connected to the top of the hollow supporting column (3), an output shaft of the motor (5) penetrates through the hollow supporting column (3) and is fixedly connected with the worm (4), two rotating shafts (6) are connected to the hollow supporting column (3) in the rotating mode, a worm wheel (7) in transmission fit with the worm (4) is fixedly sleeved on the outer circular surface of each rotating shaft (6), and opposite ends of the two rotating shafts (6) penetrate through the hollow supporting column (3) and are in clamping fit with a screw rod (8);

the utility model discloses a hollow support post, including cavity support post (3), cavity support post (3) two-phase dorsal surface equal sliding connection has connecting plate (9), cavity support post (3) one end is kept away from in connecting plate (9) and is rotated and be connected with guard flap (10), guard flap (10) bottom is rotated and is connected with the lantern ring (11) with lead screw (8) screw-thread fit, cavity support post (3) one end joint cooperation is kept away from in lead screw (8) has speed reduction baffle (12).

2. A pothole protection device for road construction according to claim 1, characterized in that a fixing rivet (13) is connected to four corners of the supporting base (1) in a threaded and rotating manner.

3. A pothole protection device for road construction according to claim 1, characterized in that strip-shaped notches (14) in sliding fit with the connecting plate (9) are formed in two opposite side faces of the hollow supporting column (3), limiting sliding grooves (15) are formed in two opposite inner walls of each strip-shaped notch (14), and limiting sliding blocks (16) in matching with the limiting sliding grooves (15) are fixedly connected to two side faces of the connecting plate (9).

4. A pothole protection device for road construction according to claim 1, wherein a rectangular notch (17) is formed in one surface of the protection baffle (10), a plurality of protection rollers (18) are rotatably connected to the rectangular notch (17), and a buffer protection layer (19) is arranged on the outer surface of each protection roller (18).

5. A pothole protection device for road construction according to claim 1, characterized in that a plurality of flashlights (20) are fixedly connected to both back sides of the hollow support pillar (3).

6. A pothole protection device for road construction according to claim 1, characterized in that the speed reduction baffle (12) is of a triangular structure, a mounting hole (21) matched with the screw rod (8) in a clamping mode is formed in one surface of the speed reduction baffle (12), and a plurality of anti-skid protrusions (22) are fixedly connected to the bottom of the speed reduction baffle (12).