CN210216124U

CN210216124U - Temporary transverse fence for temporary bridge

Info

Publication number: CN210216124U
Application number: CN201920956644.6U
Authority: CN
Inventors: Qiang Lu; 卢强; Xuanjie Duan; 段璇洁; Yang Chen; 陈杨; Yang Xiang; 向洋
Original assignee: Chongqing Vocational Institute of Engineering
Current assignee: Chongqing Vocational Institute of Engineering
Priority date: 2019-06-24
Filing date: 2019-06-24
Publication date: 2020-03-31
Anticipated expiration: 2029-06-24

Abstract

The utility model relates to the technical field of bridge construction, in particular to a temporary bridge rail, which comprises a first module and a second module, wherein the first module comprises a first upright post, a second upright post and a first telescopic mechanism for adjusting the distance between the first upright post and the second upright post, one end of the first telescopic mechanism is hinged with the first upright post, and the other end of the first telescopic mechanism is hinged with the second upright post; the second module comprises a third upright post and a second telescopic mechanism, one end of the second telescopic mechanism is hinged to the third upright post, and the other end of the second telescopic mechanism is detachably connected with the second upright post. This scheme of adoption has solved current horizontal bar installation and has dismantled troublesome technical problem for the horizontal bar is convenient to be removed and repetitious usage.

Description

Temporary transverse fence for temporary bridge

Technical Field

The utility model relates to a technical field of bridge construction, concretely relates to temporary horizontal bar for temporary suspension bridge.

Background

The temporary bridge is a simple and convenient bridge which is temporarily erected, has the characteristics of simple structure, convenience in transportation, quickness in erection, large carrying capacity, good interchangeability and strong adaptability, and is widely applied to national defense readiness, traffic engineering and municipal hydraulic engineering. Although the temporary bridge is only a bridge which is temporarily erected and has a simple structure, safety guardrails (hereinafter referred to as rails) are also indispensable, common rails are generally fixed in a welding mode, steel pipes with the height of 1.5m are welded every 1.6m, safety nets are hung, a certain number of life buoys are placed, and the operation of the rails is very troublesome during installation and disassembly; the hung safety net basically only has the function of reminding pedestrians, and the purpose of preventing pedestrians or transported goods from rolling off the temporary bridge is difficult to achieve; and once receive the collision and lead to the rail large tracts of land damage very easily, and then lead to great cost of maintenance, also can lead to the maintenance or weld the great problem of potential safety hazard of temporary bridge before establishing the rail again.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an interim for temporary suspension bridge horizontal bar to solve current horizontal bar installation and dismantle troublesome technical problem.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a temporary bridge rail comprises a first module and a second module, wherein the first module comprises a first upright post, a second upright post and a first telescopic mechanism for adjusting the distance between the first upright post and the second upright post, one end of the first telescopic mechanism is hinged with the first upright post, and the other end of the first telescopic mechanism is hinged with the second upright post; the second module comprises a third upright post and a second telescopic mechanism, one end of the second telescopic mechanism is hinged to the third upright post, and the other end of the second telescopic mechanism is detachably connected with the second upright post.

The scheme has the advantages that: 1) the rail is designed into a plurality of detachably connected modules by adopting a modular design, so that a user can assemble the rail with any length according to actual requirements; meanwhile, the operability of recycling the rail is improved, and the problem of raw material waste is avoided; 2) the first upright post, the second upright post and the third upright post provide main supporting points for the rail, and the reinforcing effect is achieved; the first telescopic mechanism connects the first upright post and the second upright post into a whole to be assembled into a continuous whole, so that the total amount of the upright posts used for manufacturing the rail is reduced on the premise of ensuring safety; 3) the first telescopic machanism and the second telescopic machanism of this scheme can contract for this scheme is more convenient for accomodate, preserve and transport.

Preferably, as an improvement, the first telescopic mechanism comprises a first supporting rod group and a second supporting rod group which have the same structure, the first supporting rod group is a plurality of first supporting rods which are connected end to end, and the adjacent first supporting rods are hinged; one end of the first strut group is hinged with the first upright post, and the other end of the first strut group is hinged with the second upright post; the rotating surfaces of the first support rod group and the second support rod group are parallel, the first support rod group and the second support rod group are arranged in an X-shaped crossed mode, and the crossed point of the first support rod group and the second support rod group is hinged.

This application adopts forked telescopic machanism for telescopic machanism both has great flexible volume, has great stability again.

Preferably, as an improvement, a first slide block is vertically arranged on the first upright column in a sliding manner, a second slide block is vertically arranged on the second upright column in a sliding manner, one end of a first telescopic mechanism is hinged with the first slide block, and the other end of the first telescopic mechanism is hinged with the second slide block; the second telescopic mechanism is provided with a first connecting piece, and the second sliding block is provided with a second connecting piece matched with the first connecting piece.

This scheme is through first slider and second slider with first stand and the horizontal extension of second stand for first telescopic machanism and second telescopic machanism can be connected to on first slider and the second slider more convenient and fast ground.

Preferably, as a modification, the second telescopic mechanism is the same as the first telescopic mechanism and comprises two groups of support rods arranged in an X-shaped crossing manner.

After this scheme makes second telescopic machanism and first module link to each other, the running state of first module and second module is the same, and then makes two modules cooperation when using more stable, also makes the horizontal bar structure that first module and second module cooperation formed more unified simultaneously.

Preferably, as an improvement, a first return spring is fixedly arranged between the first sliding block and the first upright post, and a second return spring is fixedly arranged between the second sliding block and the second upright post.

This scheme makes telescopic machanism can keep in relatively stable position, and when the striking leads to telescopic machanism to the skew of one side promptly, elastic deformation can take place for first reset spring and second reset spring to gather elastic potential energy, and the increase is to the supporting role of impact thing, plays the effect of a buffering, and after the impact thing left telescopic machanism, first reset spring and second reset spring still can make telescopic machanism automatic re-setting, get back to the position that can prevent the striking once more.

Preferably, as an improvement, a buffer mechanism is further arranged on the second telescopic mechanism.

The scheme can reduce the impact force on the rail when a vehicle or a pedestrian collides against the rail, thereby reducing the abrasion of the rail and prolonging the service life of the rail.

Preferably, as an improvement, the buffer mechanism is a roller rotatably connected to the second telescopic mechanism.

This scheme passes through the cylinder and turns into the horizontal rotation of cylinder with the effort that the striking produced for the vertical direction's that the horizontal bar received impact reduces.

Preferably, as a refinement, the drum is oblong.

Because the cylinder is located the second telescopic machanism, can influence the shrink function of second telescopic machanism to a certain extent, and this scheme can reduce the cylinder to the influence of shrink mechanism.

Preferably, as an improvement, the third stand is rolled with the safety cover, still is equipped with the chucking mechanism who is used for fixed safety cover on the third stand.

The safety cover of this scheme can independently protect the second module, has avoided the transport mechanism of second module to be hung the condition in handling.

Preferably, as an improvement, the clamping mechanism is a bayonet, and a plug pin for matching with the bayonet is fixedly arranged on the protective cover.

This scheme makes the use of safety cover convenient and fast more.

Drawings

Fig. 1 is a front view of a first embodiment of a rail for a temporary bridge according to the present invention.

Fig. 2 is a front view of a first module according to a first embodiment of the present invention.

Fig. 3 is a front view of a second module according to a first embodiment of the present invention.

Fig. 4 is a front view of a second module according to a second embodiment of the present invention.

Fig. 5 is a top cross sectional view of the second telescopic mechanism wrapped by the protective cover in the second embodiment of the present invention, and the cutting direction is the direction of a-a in fig. 4.

Fig. 6 is a partially enlarged view of fig. 5.

Detailed Description

The following is further detailed by way of specific embodiments:

reference numerals in the drawings of the specification include: the device comprises a first upright post 1, a second upright post 2, a third upright post 3, a first support rod group 4, a second support rod group 5, a first lower sliding block 6, a second upper sliding block 7, a first upper sliding block 8, a second lower sliding block 9, a third support rod group 10, a fourth support rod group 11, a third upper sliding block 12, a third lower sliding block 13, a third through hole 14, a fourth through hole 15, a roller 16, an opening 17, a bolt 18 and a protective cover 19.

Example one

Substantially as shown in figure 1: a temporary cross-bar for temporary bridges comprises a first module and a second module. As shown in fig. 2, the first module includes a first upright 1, a second upright 2 and a first telescopic mechanism for adjusting a distance between the first upright 1 and the second upright 2, where, for convenience of description, the first upright 1 on the left side is named as a first upright 1, and the second upright 2 on the right side is named as a second upright 2, a first slide block is vertically and slidably connected to the first upright 1, the first slide block includes a first upper slide block 8 and a first lower slide block 6, a second slide block is vertically and slidably arranged on the second upright 2, and the second slide block includes a second upper slide block 7 and a second lower slide block 9; the first telescopic mechanism comprises a first strut group 4 and a second strut group 5 which have the same structure, wherein for convenience of description, one end connected with the first upright post 1 and positioned at the lower side is named as the first strut group 4, and one end connected with the first upright post 1 and positioned at the upper side is named as the second strut group 5; the structure of the first strut group 4 will be described as an example: the first supporting rod group 4 comprises three first supporting rods which are sequentially connected, and the adjacent first supporting rods are hinged through shaft pins. The specific connection mode of the first telescopic mechanism is as follows: the lower extreme of first stand 1 has first slider 6 through the vertical sliding connection of guide rail, and the both ends of first slider 6 stretch out from first stand 1, and the upper end of second stand 2 has second top shoe 7 through the vertical sliding connection of guide rail, and the left end of first bracing piece group 4 passes through the pivot and articulates with first slider 6, and the right-hand member of first bracing piece group 4 passes through the pivot and articulates with second top shoe 7. The vertical first spout that has of upper end of first stand 1, there is first top shoe 8 through the vertical sliding connection of dovetail in the first spout, and the vertical second spout that has of lower extreme of second stand 2, through the vertical sliding connection of guide rail in the second spout have second bottom shoe 9, and the left end of second fulcrum bar group 5 is articulated with first top shoe 8 through the pivot, and the right-hand member of second fulcrum bar group 5 is articulated with second bottom shoe 9 through the pivot. Meanwhile, the rotating surfaces of the first support rod group 4 and the second support rod group 5 are parallel, the first support rod group 4 and the second support rod group 5 are arranged in an X-shaped crossed manner, and the crossed point of the first support rod group 4 and the second support rod group 5 is hinged through a shaft pin; fixed welding has first reset spring between the upper end of first top shoe 8 and the first spout, and first reset spring's upper end and first spout welding, first reset spring's lower extreme and first top shoe 8 fixed welding, are equipped with second reset spring between second top shoe 7's upper end and the second stand 2 fixed, and second reset spring's upper end and second spout fixed welding, second reset spring's lower extreme and second lower slider 9 fixed welding.

As shown in fig. 3, the second module includes a third upright 3 and a second telescopic mechanism, the right end of the second telescopic mechanism is hinged to the third upright 3, specifically, the second telescopic mechanism is the same as the first telescopic mechanism, and includes a third strut group 10 and a fourth strut group 11 arranged in an X-shape in a crossing manner, where for convenience of description, the third strut group 10 is named as the one end connected to the third upright 3 located at the upper side, and the fourth strut group 11 is named as the one end connected to the third upright 3 located at the lower side; a third upper slide block 12 and a third lower slide block 13 are vertically and slidably connected to the third upright post 3, wherein the third upper slide block 12 is named as the upper side, and the third lower slide block 13 is named as the lower side; the right end of the third support rod group 10 is hinged with the third upper sliding block 12 through a shaft pin, and the right end of the fourth support rod group 11 is hinged with the third lower sliding block 13 through a shaft pin. The left end of the second telescopic mechanism is provided with a first connecting piece, the second sliding block is provided with a second connecting piece matched with the first connecting piece, so that the left end of the second telescopic mechanism is detachably hinged with the second upright post 2, specifically, the left end of the third support rod group 10 is provided with a third through hole 14, the left end of the fourth support rod group 11 is provided with a fourth through hole 15, the second lower sliding block 9 is provided with a second lower through hole with the same size as the third through hole 14, the second upper sliding block 7 is provided with a second upper through hole with the same size as the fourth through hole 15, and when the telescopic mechanism is used, a pin is inserted into the third through hole and the second lower through hole to enable the third through hole and the second lower through hole to be coaxial, so that the left end of the third support rod group 10 is hinged with the second lower sliding block 9; and the fourth through hole and the second upper through hole are coaxial by inserting a pin into the fourth through hole and the second upper through hole, so that the left end of the fourth strut group 11 is hinged with the second upper sliding block 7.

The equal fixed welding in bottom of first stand 1, second stand 2 and third stand 3 has the base, and it has the bolt hole to open on the base.

The specific implementation process is as follows: fix the base on the upper surface of temporary bridge through bolt and bolt hole to fix first stand 1 on the temporary bridge, then drag second stand 2, make first telescopic machanism extend and open to figure 1 shape, then fix second stand 2 on the temporary bridge through the bolt, then insert the through-hole under the third through-hole 14 and the second with the pivot and make third strut group 10 and second slider 9 articulated down, insert the through-hole on fourth through-hole 15 and the second with the pivot, make fourth strut group 11 and second slider 7 articulated, thereby realized assembling of first module and second module, the extension of horizontal bar has been accomplished, operate in proper order and to make the horizontal bar reach the length of temporary bridge.

When a vehicle or a person walks on the temporary bridge and collides with the first telescopic mechanism or the second telescopic mechanism, the first telescopic mechanism or the second telescopic mechanism can be caused to deviate to one side, so that the direction of the acting force striking the telescopic mechanism is changed, and the damage degree of the first telescopic mechanism or the second telescopic mechanism is reduced. After the collision stops, the first telescopic mechanism and the second telescopic mechanism can be restored to the state shown in fig. 1 under the acting force of the first return spring and the second return spring, so that the rail can be restored to normal use again.

Example two

As shown in fig. 4, a buffer mechanism is further provided on the second telescoping mechanism. The buffer mechanism is a roller 16 which is rotatably connected between the third strut group 10 and the fourth strut group 11, and the roller 16 is in an oval shape. According to the scheme, the acting force generated by impact is converted into transverse rotation of the roller 16 through the roller 16, so that the impact action in the vertical direction on the rail is reduced.

As shown in fig. 4, 5 and 6, a protective cover 19 is rolled in the third upright column 3, a clamping mechanism for fixing the protective cover 19 is further arranged on the third upright column 3, an opening 17 for sliding the protective cover 19 out is formed in the peripheral surface of the third upright column 3, the protective cover 19 is arranged in a telescopic isolation strip design mode, the clamping mechanism also adopts a telescopic isolation strip bayonet form, specifically, a plug pin 18 for matching with the bayonet is fixedly bonded to one end of the protective cover 19 located on the outer side of the third upright column 3, two plug pins 18 are drawn in fig. 4, the width of the plug pin 18 is greater than that of the opening 17, and the situation that the protective cover 19 cannot be taken out and used due to the fact that the protective cover 19 completely enters the third upright column 3 is avoided. When the second module needs to be moved, the second telescopic mechanism is folded towards the middle, one end with the bolt 18 on the protective cover 19 is pulled, the protective cover 19 is enabled to insert the bolt 18 into the bayonet after surrounding the second telescopic mechanism for a circle, the periphery of the second telescopic mechanism is protected and fixed, the moving process is avoided, the second telescopic mechanism is hung, and the second module is convenient to store and transport.

The above description is only an example of the present invention, and the detailed technical solutions and/or characteristics known in the solutions are not described too much here. It should be noted that, for those skilled in the art, without departing from the technical solution of the present invention, several modifications and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.

Claims

1. The utility model provides a temporary horizontal bar for temporary suspension bridge which characterized in that: the device comprises a first module and a second module, wherein the first module comprises a first upright post, a second upright post and a first telescopic mechanism for adjusting the distance between the first upright post and the second upright post, one end of the first telescopic mechanism is hinged with the first upright post, and the other end of the first telescopic mechanism is hinged with the second upright post; the second module comprises a third upright post and a second telescopic mechanism, one end of the second telescopic mechanism is hinged to the third upright post, and the other end of the second telescopic mechanism is detachably connected with the second upright post.

2. The temporary crossrail for temporary bridges of claim 1, wherein: the first telescopic mechanism comprises a first support rod group and a second support rod group which have the same structure, the first support rod group comprises a plurality of first support rods which are connected end to end, and adjacent first support rods are hinged; one end of the first strut group is hinged with the first upright post, and the other end of the first strut group is hinged with the second upright post; the rotating surfaces of the first support rod group and the second support rod group are parallel, the first support rod group and the second support rod group are arranged in an X-shaped crossed mode, and the crossed point of the first support rod group and the second support rod group is hinged.

3. A temporary bridge rail according to claim 2, wherein: a first sliding block is vertically and slidably arranged on the first upright post, a second sliding block is vertically and slidably arranged on the second upright post, one end of a first telescopic mechanism is hinged with the first sliding block, and the other end of the first telescopic mechanism is hinged with the second sliding block; the second telescopic mechanism is provided with a first connecting piece, and the second sliding block is provided with a second connecting piece matched with the first connecting piece.

4. A temporary bridge rail according to claim 2, wherein: the second telescopic mechanism is the same as the first telescopic mechanism and comprises two groups of support rod groups which are arranged in an X-shaped crossed manner.

5. A temporary access bar as claimed in claim 3, wherein: a first return spring is fixedly arranged between the first sliding block and the first stand column, and a second return spring is fixedly arranged between the second sliding block and the second stand column.

6. The temporary crossrail for temporary bridges of claim 1, wherein: and the second telescopic mechanism is also provided with a buffer mechanism.

7. The temporary crossrail for temporary bridges of claim 6, wherein: the buffer mechanism is a roller which is rotatably connected to the second telescopic mechanism.

8. The temporary crossrail for temporary bridges of claim 7, wherein: the drum is oblong.

9. The temporary crossrail for temporary bridges of claim 1, wherein: the third stand is internally rolled with a protective cover, and the third stand is also provided with a clamping mechanism for fixing the protective cover.

10. A temporary access bar as claimed in claim 9, wherein: the clamping mechanism is a bayonet, and a bolt matched with the bayonet is fixedly arranged on the protective cover.