CN220079583U - Contact net pillar protective structure - Google Patents

Abstract

The utility model relates to a contact net pillar protection structure, which comprises a protection pouring structure and a cushion layer, wherein the cushion layer is arranged on the outer side of a roadbed for installing a contact net pillar and extends from the top of the roadbed to the bottom of the roadbed; the protection pouring structure is arranged on one side of the cushion layer, far away from the roadbed, and extends from the top of the cushion layer to the bottom of the cushion layer, so that the structure of the roadbed provided with the contact net support can be effectively reinforced and stabilized, the contact net support installed in the roadbed can be ensured to a certain extent not to sink or break, and the contact net support is ensured to have reliable load performance, so that driving safety is ensured.

Description

Contact net pillar protective structure

Technical Field

The utility model relates to the technical field of railway contact networks, in particular to a contact network strut protection structure.

Background

The overhead contact system is a main framework of railway electrification engineering and is a power transmission line which is erected along the overhead of a railway line and supplies power to an electric locomotive. The overhead contact system mainly comprises a contact suspension, a supporting device, a positioning device, overhead contact system struts and the like. The contact net support is mainly used for bearing the load of the contact suspension and support device and is usually used for being fixed on the roadbed.

According to the railway roadbed contact net post foundation structure disclosed in the patent with publication number of CN205591246U, grouting anchors are arranged at longitudinal and transverse intervals at the basic position of the contact net post on one side of roadbed engineering, reinforced concrete foundations are arranged at the tops of the grouting anchors below the road surface of the roadbed engineering, contact net post foundation connection discs are buried in the reinforced concrete foundations, and the contact net posts are connected to the contact net post foundation connection discs through bolts.

However, since the roadbed is easily loosened due to the influence of environmental factors such as rainwater, the contact net support fixed in the roadbed is sunk or broken, so that the load performance of the contact net support is affected, and the driving safety is further affected.

Disclosure of Invention

In order to solve the technical problems or at least partially solve the technical problems, the utility model provides a contact net support post protection structure.

The utility model provides a contact net support column protection structure, which comprises a protection pouring structure and a cushion layer, wherein the cushion layer is arranged on the outer side of a roadbed for installing a contact net support column and extends from the top of the roadbed to the bottom of the roadbed;

the protection pouring structure is arranged on one side of the cushion layer far away from the roadbed, and extends from the top of the cushion layer to the bottom of the cushion layer;

be provided with the drainage layer in the road bed, on the bed course with the position that the drainage layer corresponds is provided with the first water outlet of drainage layer intercommunication, on the protection pouring structure with the position that the first water outlet corresponds is provided with the second water outlet that the first water outlet leads to, so that the water in the drainage layer can be in proper order through first water outlet with the second water outlet discharges.

In some embodiments, a bottom of the protective casting structure is provided with a protective foundation, and at least a portion of the protective foundation is located on a side of the protective casting structure remote from the catenary strut.

In some embodiments, the protective casting structure and the protective foundation are cast integrally by cement mortar masonry;

in some embodiments, the height of the protective foundation is not less than 600mm.

In some embodiments, the first drain and the second drain are located at the same height.

In some embodiments, the projection of the first drain opening onto the second drain opening coincides with the outer contour of the second drain opening.

In some embodiments, the distance between the first drain and/or the second drain and the bottom of the subgrade is no greater than 1000mm.

In some embodiments, the water filter layer is a fine sand water filter layer.

In some embodiments, the thickness of the cushion layer is not less than 100mm.

In some embodiments, the thickness of the protective casting structure is not less than 300mm;

and/or the distance between the outer edge of the bottom end of the protective pouring structure and the contact net support column is not less than 2000mm

And/or, along the length direction of the roadbed, the distance between the outer edge of the protective pouring structure and the contact net support column is not less than 500mm;

and/or, along the width direction of the roadbed, the distance between the top outer edge of the protective pouring structure and the contact net support column is not less than 1000mm.

Compared with the prior art, the technical scheme provided by the embodiment of the utility model has the following advantages:

the utility model provides a contact net support column protection structure, which comprises a protection pouring structure and a cushion layer, wherein the cushion layer is arranged on the outer side of a roadbed for installing a contact net support column and extends from the top of the roadbed to the bottom of the roadbed; the protection pouring structure is arranged on one side of the cushion layer, far away from the roadbed, and extends from the top of the cushion layer to the bottom of the cushion layer, so that the structure of the roadbed provided with the contact net support can be effectively reinforced and stabilized, the contact net support installed in the roadbed can be ensured to a certain extent not to sink or break, and the contact net support is ensured to have reliable load performance, so that driving safety is ensured. Further, through setting up the drainage layer in the road bed to set up first water outlet and second water outlet respectively at the corresponding setting of bed course and protection pouring structure, thereby make when raining, the water of deposit in the drainage layer can be discharged through first water outlet, second water outlet, in order to avoid the long-time deposit of water in the road bed and then influence the condition appearance of the structural stability of road bed, and then easily cause the problem that the contact net pillar sinks or breaks to appear

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the utility model and together with the description, serve to explain the principles of the utility model.

In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, and it will be obvious to a person skilled in the art that other drawings can be obtained from these drawings without inventive effort.

Fig. 1 is a schematic diagram illustrating connection between a contact net pillar protection structure and a roadbed, and a contact net pillar according to an embodiment of the present utility model;

FIG. 2 is an enlarged schematic view of a portion of FIG. 1 at A;

fig. 3 is a schematic connection diagram of the contact net post protection structure and the contact net post according to the embodiment of the present utility model.

1, protecting a pouring structure; 11. a second drain port; 2. a cushion layer; 21. a first drain port; 3. a contact net support column; 4. roadbed; 5. protecting the foundation; 6. and (5) filtering the water layer.

Detailed Description

In order that the above objects, features and advantages of the utility model will be more clearly understood, a further description of the utility model will be made. It should be noted that, without conflict, the embodiments of the present utility model and features in the embodiments may be combined with each other.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, but the present utility model may be practiced otherwise than as described herein; it will be apparent that the embodiments in the specification are only some, but not all, embodiments of the utility model.

Referring to fig. 1 to 3, the present embodiment provides a contact net pillar protection structure, which includes a protection pouring structure 1 and a cushion layer 2, wherein the cushion layer 2 is disposed on the outer side of a roadbed 4 for installing a contact net pillar 3, and extends from the top of the roadbed 4 to the bottom of the roadbed 4.

The protection pouring structure 1 is arranged on one side of the cushion layer 2 far away from the roadbed 4, and the protection pouring structure 1 extends from the top of the cushion layer 2 to the bottom of the cushion layer 2.

Be provided with drainage layer 6 in the road bed 4, the position that corresponds with drainage layer 6 on the bed course 2 is provided with the first water outlet 21 with drainage layer 6 intercommunication, and the protection is provided with the second water outlet 11 with first water outlet 21 intercommunication on the structure 1 that pours with the position that corresponds with first water outlet 21 to make the water in the drainage layer 6 can be discharged through first water outlet 21 and second water outlet 11 in proper order.

When concrete implementation, refer to the left and right directions of the drawing that fig. 1 shows, fig. 1 illustrates the part road bed 4 that is located the left side of contact net pillar 3, set for contact net pillar 3 and be located road bed 4 this moment, and the left side of road bed 4 is provided with bed course 2, bed course 2 extends to the slope bottom of road bed 4 from the slope top of road bed 4, thereby make the slope of bed course 2 unanimous with the slope of road bed 4 itself, protection pouring structure 1 pours in the left side of bed course 2, thereby make protection pouring structure 1 and bed course 2 realize the reinforcing effect to road bed 4 jointly, and then can guarantee to a certain extent that the subsidence or fracture can not take place for contact net pillar 3 of installation in the road bed 4, and then ensure that contact net pillar 3 has reliable load performance, in order to ensure driving safety.

By way of example, the height (dimension in the z-direction shown in fig. 1) from the top of the mat 2 to the bottom of the mat 2 may be set to be greater than 4000mm.

The cushion layer 2 may be a gravel or sand cushion layer 2, and the gravel or sand cushion layer 2 may be integrally connected with the protective casting structure 1 and the roadbed 4 when the protective casting structure 1 is cast, so that the structural strength and the structural stability of the roadbed 4 may be effectively enhanced.

Referring to fig. 1, the thickness of the mat layer 2 (the dimension along the x direction shown in fig. 1) is constant throughout in the direction from the top of the subgrade 4 to the bottom of the subgrade 4, i.e., the thickness of the mat layer 2 (the dimension along the x direction shown in fig. 1) is relatively uniform, so that the protective casting structure 1 is formed by casting on the mat layer 2. Further, referring to fig. 1, the thickness of the protection pouring structure 1 may be constant in a direction from the top of the slope of the roadbed 4 to the bottom of the slope of the roadbed 4, so that the thickness of the protection pouring structure 1 is relatively uniform.

Further, through setting up drainage layer 6 in road bed 4 to set up first water outlet 21 and second water outlet 11 respectively in the corresponding setting of bed course 2 and protection pouring structure 1, thereby make when raining, the water of deposit in drainage layer 6 can be through first water outlet 21, second water outlet 11 discharge, in order to avoid the long-time deposit of water in road bed 4 and then influence the condition appearance of the structural stability of road bed 4, and then the problem that the contact net pillar 3 subsided or is cracked appears easily to initiate.

The first drain opening 21 may be rectangular or may be circular in cross section, for example. The cross section of the second drain 11 may be rectangular or may be circular. When the first drain 21 and the second drain 11 are both rectangular drains, the width and the height of the rectangular drains may be both 100mm.

Referring to fig. 1, in some embodiments, a protective foundation 5 is disposed at the bottom of the protective casting structure 1, and at least a portion of the protective foundation 5 is located on a side of the protective casting structure 1 away from the contact net support 3, so that structural stability and structural strength of the protective casting structure 1 can be further enhanced, and thus, structural reinforcement effect of the protective casting structure 1 on the roadbed 4 is effectively improved.

For example, referring to fig. 1, the cross section of the protection foundation 5 may be rectangular, or the cross section of the protection foundation 5 may also be a trapezoid structure, and the size of the trapezoid structure in the thickness direction of the protection pouring structure 1 gradually decreases from bottom to top.

In some embodiments, the protection pouring structure 1 and the protection foundation 5 are poured into a whole by cement mortar masonry, so that the protection pouring structure 1 and the protection foundation 5 can be formed into a whole, and the connection reliability of the protection pouring structure 1 and the protection foundation 5 can be improved, and the strength of the protection pouring structure 1 can be enhanced, so that the structural reinforcement effect on the roadbed 4 is further improved. In addition, the protection pouring structure 1 is made of cement mortar masonry to reinforce the roadbed 4, the cement mortar masonry should be tightly extruded and piled up neatly, and the mortar should be full and the labels accord with the regulations. Before cement mortar stone is poured, the soil of the roadbed 4 should be tamped, larger stones should be placed on the bottom layer during the masonry, and the stones should be meshed in a staggered manner and not loosened. The mortar joints should be full and compact, and the stones should be uniform, hard and not easy to be weathered.

In some embodiments, the height of the protective foundation 5 may be set to not less than 600mm. That is, the top surface of the protection foundation 5 is flush with the slope bottom of the roadbed 4, and at this time, the bottom surface of the protection foundation 5 and the top surface of the protection foundation 5 are not less than 600mm in size along the z direction shown in fig. 1, so that the protection foundation 5 itself has a large volume and weight, and thus it is possible to ensure that the protection foundation 5 has sufficient structural strength.

Illustratively, the bottom surface of the protection foundation 5 and the top surface of the protection foundation 5 may have a size of 600mm in the z direction shown in fig. 1, or the bottom surface of the protection foundation 5 and the top surface of the protection foundation 5 may have a size of 650mm in the z direction shown in fig. 1; alternatively, the bottom surface of the protective foundation 5 and the top surface of the protective foundation 5 may have a dimension in the z direction shown in fig. 1 of 700mm. The dimensions of the bottom surface of the specific protection foundation 5 and the top surface of the protection foundation 5 in the z direction shown in fig. 1 may be set according to actual needs, and this embodiment is not particularly limited.

Referring to fig. 1 and 2, in some embodiments, the first drain 21 and the second drain 11 are located at the same height, so that water in the filtered layer 6 can be conveniently discharged through the first drain 21 and the second drain 11 in sequence. Or, in other implementations, in order to further enable the water in the water filtering layer 6 to be smoothly discharged, the first water drain 21 and the second water drain 11 may be both disposed along the lower left slope, and the first water drain 21 and the second water drain 11 may be coaxially disposed, so that the first water drain 21 and the second water drain 11 integrally form a drainage channel inclined along the lower left slope, so that the water in the water filtering layer 6 can be rapidly and smoothly discharged.

Referring to fig. 1 and 2, in some embodiments, the projection of the first water drain 21 on the second water drain 11 coincides with the outer contour of the second water drain 11, that is, the outer contour shape and the outer contour size of the first water drain 21 and the second water drain 11 are the same, so as to simplify the manufacturing process of the first water drain 21 and the second water drain 11.

Referring to fig. 1, in some embodiments, the distance between the first drain 21 and/or the second drain 11 and the bottom of the slope of the roadbed 4 (the distance in the z-direction shown in fig. 1) is not more than 1000mm. By reasonably setting the distance between the first water drain port 21 or the second water drain port 11 and the slope bottom of the roadbed 4, water in the roadbed 4 can be conveniently discharged in time so as to avoid influencing the structural stability of the roadbed 4.

Illustratively, the distance between the first drain 21 and/or the second drain 11 and the bottom of the roadbed 4 may be 1000mm, or the distance between the first drain 21 and/or the second drain 11 and the bottom of the roadbed 4 may be 950mm, or the distance between the first drain 21 and/or the second drain 11 and the bottom of the roadbed 4 may be 900mm.

In some embodiments, the water filter layer 6 is a fine sand filter layer, so that an aqueous mixture or the like within the road base 4 may be efficiently filtered so that the filtered water may be discharged through the first drain 21 and the second drain 11.

Alternatively, in other implementations, the drainage layer 6 may be a crushed stone drainage layer 6.

In some embodiments, the thickness of the cushion layer 2 is not less than 100mm. In particular, the thickness of the mat 2 can be understood as the dimension of the mat 2 in the x-direction shown in fig. 1. Illustratively, the thickness of the cushion layer 2 may be 100mm, or the thickness of the cushion layer 2 may be 120mm, or the thickness of the cushion layer 2 may be 150mm.

In some embodiments, the thickness of the protective casting structure 1 is not less than 300mm. In specific implementation, the thickness of the protection pouring structure 1 can be understood as the dimension of the protection pouring structure 1 along the x direction shown in fig. 1, and the thickness of the protection pouring structure 1 is reasonably set so that the protection pouring structure can perform an effective structural reinforcement function on the road base 4.

Illustratively, the thickness of the protective casting structure 1 may be 300mm, or the thickness of the protective casting structure 1 may be 350mm, or the thickness of the protective casting structure 1 may be 380mm.

In some embodiments, the distance between the outer edge of the protective casting structure 1 and the contact net support 3 in the length direction of the road base 4 (refer to the x direction shown in fig. 1) is not less than 500mm. Illustratively, the distance between the outer edge of the protective casting structure 1 and the contact net support 3 may be 500mm, the distance between the outer edge of the protective casting structure 1 and the contact net support 3 may be 520mm, or the distance between the outer edge of the protective casting structure 1 and the contact net support 3 may be 550mm.

In some embodiments, the distance between the top outer edge of the protective casting structure 1 and the contact net support 3 in the width direction of the road base 4 (refer to the y direction of fig. 3) is not less than 1000mm.

Illustratively, the distance between the top outer edge of the protective casting structure 1 and the contact net support 3 may be 1000mm; or, the distance between the top outer edge of the protective casting structure 1 and the contact net support column 3 can be 1100mm; alternatively, the distance between the top outer edge of the protective casting structure 1 and the contact net support 3 may be 1200mm.

In some embodiments, the distance between the bottom outer edge of the protective casting structure 1 and the contact net support 3 in the width direction of the road base 4 (refer to the y direction of fig. 3) is not less than 2000mm.

Illustratively, the distance between the bottom outer edge of the protective casting structure 1 and the contact net support 3 may be 2000mm; or, the distance between the outer edge of the bottom of the protective casting structure 1 and the contact net support column 3 can be 2100mm; alternatively, the distance between the bottom outer edge of the protective casting structure 1 and the contact net support 3 may be 2200mm.

It should be noted that in this document, relational terms such as "first" and "second" and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

The foregoing is only a specific embodiment of the utility model to enable those skilled in the art to understand or practice the utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (10)

1. The contact net pillar protection structure is characterized by comprising a protection pouring structure (1) and a cushion layer (2), wherein the cushion layer (2) is arranged on the outer side of a roadbed (4) for installing a contact net pillar (3) and extends from the slope top of the roadbed (4) to the slope bottom of the roadbed (4);

the protection pouring structure (1) is arranged on one side, far away from the roadbed (4), of the cushion layer (2), and the protection pouring structure (1) extends from the top of the cushion layer (2) to the bottom of the cushion layer (2);

be provided with drainage layer (6) in road bed (4), on bed course (2) with the position that drainage layer (6) corresponds be provided with first water outlet (21) of drainage layer (6) intercommunication, protection pouring structure (1) go up with the position that first water outlet (21) corresponds be provided with second water outlet (11) of first water outlet (21) intercommunication, so that water in drainage layer (6) can be passed through in proper order first water outlet (21) with second water outlet (11) are discharged.

2. The contact net post protection structure according to claim 1, characterized in that the bottom of the protection pouring structure (1) is provided with a protection foundation (5), and at least part of the protection foundation (5) is located at a side of the protection pouring structure (1) remote from the contact net post (3).

3. The contact net post protection structure according to claim 2, wherein the protection pouring structure (1) and the protection foundation (5) are poured into a whole by cement mortar masonry.

4. The catenary pillar protection structure according to claim 2, characterized in that the height of the protection foundation (5) is not less than 600mm.

5. The catenary pillar protection structure according to claim 1, characterized in that the first drain opening (21) and the second drain opening (11) are located at the same height.

6. The catenary pillar protection structure according to claim 5, characterized in that the projection of the first drain opening (21) on the second drain opening (11) coincides with the outer contour of the second drain opening (11).

7. Contact net post protection structure according to claim 1, characterized in that the distance between the first drain (21) and/or the second drain (11) and the bottom of the subgrade (4) is not more than 1000mm.

8. The catenary pillar protection structure according to claim 1, wherein the water filtering layer (6) is a fine sand water filtering layer.

9. The catenary pillar protection structure according to any one of claims 1 to 8, wherein the thickness of the mat layer (2) is not less than 100mm.

10. The catenary pillar protective structure according to any one of claims 1 to 8, wherein the thickness of the protective casting structure (1) is not less than 300mm;

and/or the distance between the outer edge of the bottom end of the protective pouring structure (1) and the contact net support column (3) is not less than 2000mm;

and/or, along the length direction of the roadbed (4), the distance between the outer edge of the protective pouring structure (1) and the contact net support column (3) is not less than 500mm;

and/or, along the width direction of the roadbed (4), the distance between the top outer edge of the protective pouring structure (1) and the contact net support column (3) is not less than 1000mm.