CN212561152U - Bridge expansion joint position beam column type shaped steel guardrail structure - Google Patents

Abstract

The utility model discloses a bridge expansion joint position beam column type shaped steel guardrail structure, including first horizontal bar, the bottom at both ends all has welded the cradling piece about first horizontal bar, the below of first horizontal bar is provided with the second horizontal bar, and the both ends of second horizontal bar all with cradling piece welded fastening, the bottom of first horizontal bar is evenly installed and is indulged the fence, and indulges the bottom of fence and all is connected with the second horizontal bar, the left end welding of first horizontal bar has the adapter sleeve, the right-hand member welding of first horizontal bar has the connector. The utility model discloses can accompany the deformation of bridge floor together to produce deformation, whole guardrail stable in structure has effectually prevented that bridge floor deformation from leading to the guardrail to damage to effectual user installation multiunit the device time required time of splicing each other that has reduced.

Description

Bridge expansion joint position beam column type shaped steel guardrail structure

Technical Field

The utility model relates to a bridge railing technical field specifically is a bridge expansion joint position beam column type shaped steel guardrail structure.

Background

Bridge railing is the guardrail that sets up on the bridge, its purpose is outside in order to prevent that the vehicle out of control from crossing the bridge, have the function that makes the vehicle can not break through, wear down, cross the bridge and beautify the bridge construction, when the bridge is built, in order to prevent that the bridge expend with heat and contract with cold and produce deformation, can be at bridge mid-mounting extensible member usually, remain the expansion joint, guarantee the holistic stability of bridge, and the bridge produces deformation back, can damage the guardrail on the bridge, lead to guardrail deformation not hard up, the protecting effect reduces.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a bridge expansion joint position beam column type shaped steel guardrail structure to the bridge that proposes in solving above-mentioned background produces deformation back, can damage the guardrail on the bridge, leads to guardrail deformation not hard up, the problem that protecting effect reduces.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a bridge expansion joint position beam column type shaped steel guardrail structure, includes first horizontal bar, the bottom at both ends all has welded the cradling piece about first horizontal bar, the below of first horizontal bar is provided with the second horizontal bar, and the both ends of second horizontal bar all with cradling piece welded fastening, the bottom of first horizontal bar is evenly installed and is indulged the fence, and indulges the bottom of fence and all is connected with the second horizontal bar, the left end welding of first horizontal bar has the adapter sleeve, the right-hand member welding of first horizontal bar has the connector.

Preferably, the first rail and the second rail are both arc-shaped rod-shaped structures made of high manganese carbon steel.

Preferably, the longitudinal bars comprise outer rods, inner rods and supporting springs, the bottom ends of the outer rods are hinged to the second transverse bar, the inner rods are inserted into the middle of the top ends of the outer rods, the top ends of the inner rods are hinged to the first transverse bar, the supporting springs are welded to the bottom ends of the inner rods, and the bottom ends of the supporting springs are welded and fixed to the inner wall of the outer rods.

Preferably, the connector includes the solder lug, inserts a section of thick bamboo, transmission cover, bull stick, knob, pushing head and fixture block, the bottom welding of solder lug has an insert section of thick bamboo, the middle part welding of solder lug has the transmission cover, and the middle part of transmission cover inserts and is equipped with the bull stick, and the top of bull stick extends to the solder lug top welding and has the knob, the inside of inserting a section of thick bamboo is provided with the pushing head, the bottom of bull stick is connected with the pushing head through embedded bearing, the inside left and right sides of inserting a section of thick bamboo all is provided with the fixture block, and the fixture block is close to the one end of inserting a section of thick bamboo inner wall and all passes the inner wall of inserting a section of thick bamboo and extend to the outside of inserting section of thick bamboo, the bottom that the fixture.

Preferably, the bottom of the pushing head is conical, and one end of the fixture block close to the pushing head is inclined.

Preferably, the surface of the rotating rod is provided with external threads, the inner wall of the transmission sleeve is provided with internal threads, and the transmission sleeve is connected with the rotating rod through a threaded structure.

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

1. the utility model discloses a through being provided with first rail, second rail and longitudinal bar, the user passes through the bolt and installs the bottom fixed mounting of cradling piece on the bridge floor, when the expansion joint department of bridge floor appears flexible, the distance between two sets of cradling pieces changes, and the contained angle between two sets of cradling pieces also can change, at this moment, each group longitudinal bar makes interior pole stretch out or retract from the outer pole through the deformation of first rail and second rail, support interior pole through supporting spring's resilience force, this guardrail can produce deformation along with the deformation of bridge floor together, whole guardrail stable in structure, bridge floor deformation has effectively been prevented and has been caused the guardrail to damage;

2. the utility model discloses a be provided with adapter sleeve and connector, the user is when installing multiunit the device, can splice multiunit the device earlier, the user inserts the middle part of adapter sleeve on another group the device with the connector on a set of the device at first, then the rotating knob, it rotates to drive the bull stick, drive the bull stick downstream through helicitic texture, make the knob downstream, the conical inclined plane of knob is inconsistent with the inclined plane of fixture block, release the fixture block from inserting a section of thick bamboo inside, make the fixture block stop the bottom of adapter sleeve, thereby connect adapter sleeve and connector, and easy operation is convenient, reduce the required time of splicing each other when the user installs multiunit the device, therefore, the clothes hanger is strong in practicability.

Drawings

FIG. 1 is a schematic sectional view of the front view of the structure of the present invention;

FIG. 2 is a schematic sectional view of a middle column of the present invention;

FIG. 3 is a schematic view of the structure of the present invention showing the front view of the splicing state;

fig. 4 is an enlarged cross-sectional view of the structure at a in fig. 3 according to the present invention.

In the figure: 1. a first rail; 2. a support rod; 3. a second rail; 4. a column; 41. an outer rod; 42. an inner rod; 43. a support spring; 5. connecting sleeves; 6. a connector; 61. welding blocks; 62. inserting a cylinder; 63. a transmission sleeve; 64. a rotating rod; 65. a knob; 66. pushing the head; 67. and (7) clamping blocks.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides an embodiment:

a beam column type steel guardrail structure at the position of a bridge expansion joint comprises a first rail 1, support rods 2 are welded at the bottoms of the left end and the right end of the first rail 1, a second rail 3 is arranged below the first rail 1, the two ends of the second rail 3 are fixedly welded with the support rods 2, the first rail 1 and the second rail 3 are both arc-shaped rod-shaped structures made of high manganese carbon steel, the elasticity of the high manganese carbon steel is good, when a bridge floor is displaced, the arc-shaped first rail 1 and the arc-shaped second rail 3 can also deform, longitudinal rails 4 are uniformly arranged at the bottom of the first rail 1, the bottom ends of the longitudinal rails 4 are connected with the second rail 3, each longitudinal rail 4 comprises an outer rod 41, an inner rod 42 and a support spring 43, the bottom end of the outer rod 41 is hinged with the second rail 3, the middle part of the top end of the outer rod 41 is inserted with the inner rod 42, and the top end of the inner rod 42 is hinged with the first rail 1, the bottom end of the inner rod 42 is welded with a supporting spring 43, and the bottom end of the supporting spring 43 is welded and fixed with the inner wall of the outer rod 41;

a user fixedly installs the bottom ends of the support rods 2 on the bridge floor through bolts, when the expansion joint of the bridge floor is expanded, the distance between the two groups of support rods 2 is changed, and the included angle between the two groups of support rods 2 is also changed, at the moment, each group of longitudinal fences 4 enables the inner rod 42 to extend out of or retract back from the inner part of the outer rod 41 through the deformation of the first transverse fence 1 and the second transverse fence 3, and the inner rod 42 is supported through the resilience force of the supporting spring 43;

the left end of the first rail 1 is welded with a connecting sleeve 5, the right end of the first rail 1 is welded with a connecting head 6, the connecting head 6 comprises a welding block 61, an inserting cylinder 62, a transmission sleeve 63, a rotating rod 64, a knob 65, a push head 66 and a fixture block 67, the bottom end of the welding block 61 is welded with the inserting cylinder 62, the middle part of the welding block 61 is welded with the transmission sleeve 63, the rotating rod 64 is inserted in the middle part of the transmission sleeve 63, the top end of the rotating rod 64 extends to the upper part of the welding block 61 and is welded with the knob 65, the push head 66 is arranged inside the inserting cylinder 62, the bottom end of the rotating rod 64 is connected with the push head 66 through an embedded bearing, the fixture block 67 is arranged on the left side and the right side inside the inserting cylinder 62, one end, close to the inner wall of the inserting cylinder 62, of the fixture block 67 penetrates through the inner wall of the inserting cylinder 62 and extends to the outside of the inserting cylinder 62, springs are welded and fixed, one end of the fixture block 67 close to the push head 66 is inclined, the surface of the rotating rod 64 is provided with external threads, the inner wall of the transmission sleeve 63 is provided with internal threads, and the transmission sleeve 63 is connected with the rotating rod 64 through a threaded structure;

when a user installs a plurality of groups of the devices, the devices can be spliced, the user firstly inserts the connector 6 on one group of the devices into the middle part of the connecting sleeve 5 on the other group of the devices, then the knob 65 is rotated to drive the rotating rod 64 to rotate, the rotating rod 64 is driven to move downwards through a threaded structure, the knob 65 moves downwards, the conical inclined surface of the knob 65 is abutted to the inclined surface of the fixture block 67, the fixture block 67 is pushed out from the inside of the inserting cylinder 62, the fixture block 67 is enabled to block the bottom of the connecting sleeve 5, and the connecting sleeve 5 and the connector 6 are connected.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (6)

1. The utility model provides a bridge expansion joint position beam column type shaped steel guardrail structure, includes first rail (1), its characterized in that: the utility model discloses a fence, including first horizontal bar (1), support rod (2) have all been welded to the bottom at both ends about, the below of first horizontal bar (1) is provided with second horizontal bar (3), and the both ends of second horizontal bar (3) all with support rod (2) welded fastening, vertical bar (4) are evenly installed to the bottom of first horizontal bar (1), and the bottom of vertical bar (4) all is connected with second horizontal bar (3), the left end welding of first horizontal bar (1) has adapter sleeve (5), the right-hand member welding of first horizontal bar (1) has connector (6).

2. The beam column type steel guardrail structure at the position of the bridge expansion joint as claimed in claim 1, which is characterized in that: the first rail (1) and the second rail (3) are both arc-shaped rod-shaped structures made of high manganese carbon steel.

3. The beam column type steel guardrail structure at the position of the bridge expansion joint as claimed in claim 1, which is characterized in that: the longitudinal bar (4) comprises an outer rod (41), an inner rod (42) and a supporting spring (43), the bottom end of the outer rod (41) is hinged to the second transverse bar (3), the inner rod (42) is inserted into the middle of the top end of the outer rod (41), the top end of the inner rod (42) is hinged to the first transverse bar (1), the supporting spring (43) is welded to the bottom end of the inner rod (42), and the bottom end of the supporting spring (43) is fixed to the inner wall of the outer rod (41) in a welded mode.

4. The beam column type steel guardrail structure at the position of the bridge expansion joint as claimed in claim 1, which is characterized in that: the connector (6) comprises a welding block (61), an inserting cylinder (62), a transmission sleeve (63), a rotating rod (64), a knob (65), a pushing head (66) and a clamping block (67), the inserting cylinder (62) is welded at the bottom end of the welding block (61), the transmission sleeve (63) is welded at the middle part of the welding block (61), the rotating rod (64) is inserted in the middle part of the transmission sleeve (63), the knob (65) is welded above the welding block (61) and extends to the top end of the rotating rod (64), the pushing head (66) is arranged inside the inserting cylinder (62), the bottom end of the rotating rod (64) is connected with the pushing head (66) through an embedded bearing, the clamping block (67) is arranged on the left side and the right side of the inside of the inserting cylinder (62), one end, close to the inner wall of the inserting cylinder (62), of the clamping block (67) penetrates through the inner wall of the inserting cylinder (62) and extends to the outside of the inserting cylinder (62), the bottom, of one end, close to the pushing, and the springs are all welded and fixed with the inner wall of the inserting cylinder (62).

5. The beam column type steel guardrail structure at the position of the bridge expansion joint as claimed in claim 4, wherein: the bottom end of the push head (66) is conical, and one end of the clamping block (67) close to the push head (66) is inclined.

6. The beam column type steel guardrail structure at the position of the bridge expansion joint as claimed in claim 4, wherein: the surface of the rotating rod (64) is provided with external threads, the inner wall of the transmission sleeve (63) is provided with internal threads, and the transmission sleeve (63) is connected with the rotating rod (64) through a threaded structure.

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