CN215947884U - Upper-span bridge anti-collision guardrail expansion joint structure - Google Patents

Abstract

The utility model discloses an upper-span anti-collision guardrail expansion joint structure which comprises a main guardrail and a sub guardrail, wherein inner grooves are fixedly formed in the inner ends of the main guardrail and the sub guardrail, a first pre-embedded pipe is sleeved at the inner end of the main guardrail, a second pre-embedded pipe is sleeved at the inner end of the sub guardrail, a connecting end is fixedly connected to one end, close to the first pre-embedded pipe, of the second pre-embedded pipe, two clamping blocks are fixedly connected to the outer wall of one end, far away from the second pre-embedded pipe, of the connecting end, two clamping grooves are fixedly formed in one end, close to the second pre-embedded pipe, of the first pre-embedded pipe, buffering springs are fixedly connected to the upper side and the lower side of one end, close to the second pre-embedded pipe, of the first pre-embedded pipe, and a reinforcing sleeve is arranged between the main guardrail and the sub guardrail. The device has the advantages of simple structure, easy installation and disassembly, good use effect and effectively prolonged service life.

Description

Upper-span bridge anti-collision guardrail expansion joint structure

Technical Field

The utility model relates to the technical field of building construction, in particular to an upper-span bridge anti-collision guardrail expansion joint structure.

Background

At present, in order to meet the requirements of deck deformation, expansion joints are usually provided between the two beam ends, between the beam ends and the abutment or at the hinge points of the bridge, enabling the adjustment of the displacements and couplings between the superstructure caused by the vehicle load and the bridge building materials. Because the setting of bridge expansion joint for the guardrail on the bridge also corresponds and sets the expansion joint structure to in order to adapt to the deformation of bridge floor.

The flexible sleeve pipe that uses of current bridge expansion joint department anticollision barrier crossbeam splices usually and forms, but it has in fact or has simple structure, and the effect is not good, or the structure is too complicated, and the installation is all very troublesome problem with the dismantlement, and based on this, we provide one kind and stride bridge anticollision barrier expansion joint structure on.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art, and provides an up-span bridge anti-collision guardrail expansion joint structure.

In order to achieve the purpose, the utility model adopts the following technical scheme: an upper span bridge anti-collision guardrail expansion joint structure comprises a main guardrail and a sub guardrail, wherein inner grooves are fixedly formed at the inner ends of the main guardrail and the sub guardrail, the inner end of the main guardrail is sleeved with a first embedded pipe, the inner end of the sub guardrail is sleeved with a second embedded pipe, a connecting end is fixedly connected with one end of the second embedded pipe close to the first embedded pipe, two clamping blocks are fixedly connected with the outer wall of one end of the connecting end far away from the second embedded pipe, two clamping grooves are fixedly formed at one end of the first embedded pipe close to the second embedded pipe, buffer springs are fixedly connected at the upper side and the lower side of one end of the first embedded pipe close to the second embedded pipe, be provided with between female guardrail and the sub-guardrail and consolidate the cover, consolidate and overlap a plurality of fixed plates of equal fixedly connected with on being close to female guardrail and the sub-guardrail both sides outer wall, it is a plurality of all fixed threaded connection hole has been seted up on the fixed plate.

As a further description of the above technical solution:

the structure of the subsidiary guardrail is the same as that of the main guardrail.

As a further description of the above technical solution:

the first embedded pipe and the second embedded pipe are identical in structure.

As a further description of the above technical solution:

the first embedded pipe and the second embedded pipe are movably sleeved at the inner end of the inner groove.

As a further description of the above technical solution:

the two clamping blocks are respectively clamped in a sliding way and are arranged at the inner ends of the two clamping grooves.

As a further description of the above technical solution:

the buffer spring is arranged on the outer wall of the connecting end and the inner end of the reinforcing sleeve.

As a further description of the above technical solution:

the reinforcing sleeve is fixedly sleeved at the outer end of the joint of the first embedded pipe and the second embedded pipe.

As a further description of the above technical solution:

the reinforcing sleeve penetrates through the threaded connecting hole through a bolt and is fixedly connected with one side of the first embedded pipe opposite to the second embedded pipe.

The utility model has the following beneficial effects:

1. the utility model provides an expansion joint structure of an upper span bridge anti-collision guardrail, which is characterized in that a reinforcing sleeve and a guardrail are connected through bolts, and the joint of a first embedded pipe and a second embedded pipe is reinforced; simultaneously first pre-buried pipe and the pre-buried pipe of second are direct to carry out the position through fixture block card and draw-in groove and are injectd, prevent to hold in the palm the groove for device stable in structure, and easily carry out split and installation, the operation is got up simply and is saved trouble.

2. According to the upper-span bridge anti-collision guardrail expansion joint structure, the buffer springs are arranged at the inner end of the reinforcing sleeve and the outer end of the connecting end, so that after the first embedded pipe and the second embedded pipe are connected, the shock absorption is arranged at the contact surface, the radial force of the guardrail is counteracted, and the service life of the structure is prolonged.

3. The expansion joint structure of the upper-span bridge anti-collision guardrail provided by the utility model is simple in structure, easy to install and disassemble, good in use effect and effectively prolonged in service life.

Drawings

Fig. 1 is a schematic view of a main structure of an expansion joint structure of an upper-span bridge anti-collision guardrail provided by the utility model;

FIG. 2 is a schematic view of a reinforcement sleeve structure of an expansion joint structure of an upper span bridge anti-collision guardrail provided by the utility model;

fig. 3 is a schematic view of a slot structure of an expansion joint structure of an upper-span bridge anti-collision guardrail provided by the utility model;

fig. 4 is a schematic diagram of a fixture block structure of an expansion joint structure of an upper-span anti-collision guardrail provided by the utility model.

Illustration of the drawings:

1. a female guardrail; 2. a sub-guardrail; 3. a first pre-buried pipe; 4. a second pre-buried pipe; 5. connecting the end heads; 6. An inner tank; 7. a clamping block; 8. a card slot; 9. a buffer spring; 10. reinforcing the sleeve; 11. a fixing plate; 12. and (4) connecting the holes by screw threads.

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.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-4, one embodiment of the present invention is provided: the utility model provides an upper bridge-spanning anti-collision guardrail expansion joint structure, including female guardrail 1 and son guardrail 2, female guardrail 1 and son guardrail 2 the inner equal fixed interior groove 6 of having seted up, 1 the inner pot head of female guardrail is equipped with first pre-buried pipe 3, 2 the inner pot head of son guardrail is equipped with second pre-buried pipe 4, second pre-buried pipe 4 is close to 3 one end fixedly connected with connection end 5 of first pre-buried pipe, connection end 5 keeps away from two fixture blocks 7 of fixedly connected with on the outer wall of second pre-buried pipe 4 one end, first pre-buried pipe 3 is close to 4 one end fixed setups of second pre-buried pipe two draw-in grooves 8, first pre-buried pipe 3 is close to the equal fixedly connected with buffer spring 9 in both sides position department about second pre-buried pipe 4 one end, be provided with between female guardrail 1 and son guardrail 2 and consolidate set 10, it is close to a plurality of fixed plate 11 of equal fixedly connected with on female guardrail 1 and son guardrail 2 both sides outer wall to consolidate set 10, threaded connection hole 12 has all been fixedly seted up on a plurality of fixed plate 11.

The structure of the subsidiary guardrail 2 is the same as that of the main guardrail 1, the subsidiary guardrail and the main guardrail are only differences in description and are essentially made of anti-collision guardrails, the first embedded pipe 3 and the second embedded pipe 4 are the same in structure, the tail portion of the first embedded pipe 3 is spliced with the head portion of the second embedded pipe 4 during connection, the first embedded pipe 3 and the second embedded pipe 4 are movably sleeved at the inner end of the inner groove 6, the inner groove 6 can be filled with foam on the outer wall of the embedded pipe according to actual conditions, the two clamping blocks 7 are respectively slidably clamped and arranged at the inner ends of the two clamping grooves 8, the buffer spring 9 is arranged at the outer wall of the connecting end 5 and the inner end of the reinforcing sleeve 10, the reinforcing sleeve 10 is fixedly sleeved at the outer end of the connecting position of the first embedded pipe 3 and the second embedded pipe 4, and the reinforcing sleeve 10 penetrates through the threaded connecting hole 12 and the opposite side of the first embedded pipe 3 and the second embedded pipe 4 through bolts for fixed connection.

The working principle is as follows: when the device is used, the first pre-buried pipe 3 is sleeved in the main guardrail 1, the reinforcing sleeve 10 is sleeved at the outer end of the first pre-buried pipe 3, the clamping block 7 slides in the clamping groove 8, so that the connecting end 5 can be smoothly sleeved at the inner end of the tail part of the first pre-buried pipe 3, the second pre-buried pipe 4 is rotated to drive the connecting end 5 to rotate, the clamping block 7 is further driven to rotate to be clamped and stabilized with the clamping groove 8, the reinforcing sleeve 10 just sleeves the connecting end 5 at the moment, the buffer spring 9 supports against the connecting end 5, radial force buffering is convenient to perform at the later stage, and the reinforcing sleeve 10 is fixedly connected between the main guardrail 1 and the sub guardrail 2 through bolts.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the utility model.

Claims (8)

1. The utility model provides an on stride bridge anticollision barrier expansion joint structure, includes female guardrail (1) and sub-guardrail (2), its characterized in that: female guardrail (1) and son guardrail (2) inner equal fixed internal groove (6) of having seted up, female guardrail (1) inner pot cover is equipped with first pre-buried pipe (3), son guardrail (2) inner pot cover is equipped with second pre-buried pipe (4), second pre-buried pipe (4) are close to first pre-buried pipe (3) one end fixedly connected with connection end (5), two fixture blocks (7) of fixedly connected with on second pre-buried pipe (4) one end outer wall are kept away from in connection end (5), first pre-buried pipe (3) are close to second pre-buried pipe (4) one end and fixedly seted up two draw-in grooves (8), first pre-buried pipe (3) are close to second pre-buried pipe (4) one end about equal fixedly connected with buffer spring (9) of both sides position department, be provided with between female guardrail (1) and son guardrail (2) and consolidate cover (10), it is close to a plurality of fixed plates of equal fixedly connected with on female guardrail (1) and son guardrail (2) both sides outer wall to consolidate cover (10) (11) And a plurality of threaded connecting holes (12) are fixedly formed in the fixing plates (11).

2. The up-span bridge anti-collision guardrail expansion joint structure of claim 1, which is characterized in that: the structure of the sub-guardrail (2) is the same as that of the main guardrail (1).

3. The up-span bridge anti-collision guardrail expansion joint structure of claim 1, which is characterized in that: the first embedded pipe (3) and the second embedded pipe (4) have the same structure.

4. The up-span bridge anti-collision guardrail expansion joint structure of claim 1, which is characterized in that: the first embedded pipe (3) and the second embedded pipe (4) are movably sleeved at the inner end of the inner groove (6).

5. The up-span bridge anti-collision guardrail expansion joint structure of claim 1, which is characterized in that: the two clamping blocks (7) are respectively clamped in a sliding way and arranged at the inner ends of the two clamping grooves (8).

6. The up-span bridge anti-collision guardrail expansion joint structure of claim 1, which is characterized in that: the buffer spring (9) is arranged on the outer wall of the connecting end (5) and the inner end of the reinforcing sleeve (10).

7. The up-span bridge anti-collision guardrail expansion joint structure of claim 1, which is characterized in that: the reinforcing sleeve (10) is fixedly sleeved at the outer end of the joint of the first embedded pipe (3) and the second embedded pipe (4).

8. The up-span bridge anti-collision guardrail expansion joint structure of claim 1, which is characterized in that: the reinforcing sleeve (10) penetrates through the threaded connecting hole (12) through a bolt and is fixedly connected with one side, opposite to the second embedded pipe (4), of the first embedded pipe (3).

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