阅读说明：本技术 一种纤维增强复合材料电缆槽 (A kind of fibre reinforced composites cable trough ) 是由 曾志斌 牛斌 苏永华 班新林 马慧君 尹京 刘吉元 于 2019-08-20 设计创作，主要内容包括：本发明属于铁路基础设施领域,涉及一种纤维增强复合材料电缆槽,包括槽体和槽盖。所述槽体为U形,包括一块底板和两块侧板；沿所述电缆槽的横向,所述底板和槽盖均呈变截面设计,且所述底板和槽盖的中间截面厚度分别大于其两侧截面厚度。所述槽体和槽盖通过卡扣连接。所述底板和所述侧板的内表面及所述槽盖的外表面分别加工有多道沿电缆槽长度方向的加劲凸起。所述槽体和所述槽盖均采用复合材料制成,且均设有多层多向增强纤维毡。本发明所述纤维增强复合材料电缆槽具有质量轻、纵向和横向强度高、刚度大、稳定性和耐久性好等优点,槽盖的安装和拆卸简单,方便电缆的维修养护。(The invention belongs to railway infrastructure fields, are related to a kind of fibre reinforced composites cable trough, including groove body and slot cover.The groove body is U-shaped, including one piece of bottom plate and two blocks of side plates；Along the transverse direction of the cable trough, the bottom plate and slot cover are in variable cross-section design, and the bottom plate and the intermediate cross-section thickness of slot cover are respectively greater than its two sides section thickness.The groove body and slot cover are connected by a snap.The outer surface of the inner surface and the slot cover of the bottom plate and the side plate is machined with put more energy into protrusion of the multiple tracks along cable trough length direction respectively.The groove body and the slot cover are all made of composite material and are made, and are equipped with multi-layer and multi-directional reinforcing fiber mats.Fibre reinforced composites cable trough of the present invention has many advantages, such as that light weight, vertical and horizontal intensity are high, rigidity is big, stability and durability are good, and the installation and removal of slot cover are simple, facilitate the maintenance of cable.)

1. a kind of fibre reinforced composites cable trough, including groove body (1) and slot cover (2), which is characterized in that the groove body (1) For U-shaped, including one piece of bottom plate (11) and two pieces of side plates (12)；Along the transverse direction of the cable trough, the bottom plate (11) and slot cover (2) It is designed in variable cross-section, and the bottom plate (11) and the intermediate cross-section thickness of slot cover (2) are respectively greater than its two sides section thickness；

By buckle (5) connection, the buckle (5) includes pin thread (13) and female thread (21) for the groove body (1) and slot cover (2)；Institute It states side plate (12) tip section to increase and form pin thread (13) in fusiform in vertical direction, the female thread (21) is located at the slot cover (2) both ends and be in " trouser legs type ", the female thread (21) constitutes two by the first vertical limb (211) and the second vertical limb (212) The shape of trouser legs, the cavity shape and the pin thread (13) that surrounded by described two trouser legs is adapted.

2. fibre reinforced composites cable trough according to claim 1, which is characterized in that the bottom plate (11) and slot cover (2) whole top surface is in arc-shaped, is raised upward.

3. fibre reinforced composites cable trough according to claim 1, which is characterized in that the pin thread (13) with it is described Side plate (12) is integrally formed, and the female thread (21) and the slot cover (2) are integrally formed.

4. fibre reinforced composites cable trough according to claim 1, which is characterized in that the female thread (21) is located at institute It states the end bottom side of slot cover (2) and is arranged straight down, the top of the first vertical limb (211) and the second vertical limb (212) It is connected to the end of the slot cover (2).

5. fibre reinforced composites cable trough according to claim 1, which is characterized in that the bottom plate (11) and described The inner surface of side plate (12) and the outer surface of the slot cover (2) are machined with put more energy into protrusion of the multiple tracks along cable trough length direction respectively (4)。

6. fibre reinforced composites cable trough according to claim 5, which is characterized in that described put more energy into raised (4) section Face is arc-shaped, triangle or rectangle.

7. fibre reinforced composites cable trough according to claim 1, which is characterized in that the groove body (1) and described Slot cover (2) is all made of composite material and is made, and the composite material includes the reinforcing fiber continuously arranged along cable trough length direction (6) and the basis material (7) that is filled in the reinforcing fiber (6) gap；It further include along cable flute length in the composite material One layer or the multi-layer and multi-directional reinforcing fiber mats (8) that degree direction is continuously arranged；

Wherein, described matrix material (7) is unsaturated polyester resin, vinylite, epoxy resin, polyurethane resin or phenolic aldehyde Any one in resin；The reinforcing fiber (6) is any one in glass fibre, basalt fibre or carbon fiber.

8. fibre reinforced composites cable trough according to claim 7, which is characterized in that the groove body (1) and slot cover (2) pultrusion, molding, vacuum pouring or resin transfer molding are all made of.

9. fibre reinforced composites cable trough according to claim 1, which is characterized in that groove body (1) bottom is set There are vertical clapboard (3).

Technical field

The invention belongs to railway infrastructure fields, and in particular to a kind of fibre reinforced composites cable trough.

Background technique

As the carrier of electric power and the communications cable, the cable trough on the outside of railroad bridge is installed in addition to bearing its own and line Outside the weight of cable, the mobile load and wind mobile load when maintenance personnel walk on it once in a while are still suffered from.

The existing cable trough material therefor overwhelming majority is steel, and minority is composite material.The structure shape of these cable troughs Formula is substantially similar, and the plate top surface of groove body and slot cover top surface are plane；And the light sheet for being all made of equal thickness is made, because rigidity compared with Small and be easy to produce buckling deformation, especially the upper end of groove body side plate is free end, it is easier to warpage outwardly or inwardly occur Deformation.There are mainly three types of forms for the connection of groove body and slot cover, the first is directly to tip upside down on two sides with the slot cover of right angle crotch On groove body, Fig. 4 a is seen；Second is that boss is arranged in two pieces of side plate upper ends of groove body, the slot cover back-off by two sides with right angle crotch On the boss of groove body, Fig. 4 b is seen；The third is that two pieces of side plate upper ends of groove body are made into outside right angle crotch, by slot cover one Side is made into 180 ° of crotches, and when installation hooks on the right angle crotch of the one of side plate of groove body, and the other side is bolted, and sees figure 4c.The first and the deformation downward to slot cover of second of cable trough are constrained, but under upward wind live loading, slot Lid will be thrown；In comparison, the third cable trough is conducive to slot cover and bears upward wind mobile load.These three cable troughs are all The deformation for only constraining groove body side plate upper end outside, but its inside deformation is not all constrained, the free plate in upper end holds Lateral bucking and warpage easily occurs, once inside deformation is excessive, the boss or right angle crotch of groove body side plate upper end will be lost It goes to act on.In addition, when maintenance personnel trample on the bottom plate of the slot cover of cable trough or groove body once in a while, slot cover and groove body Downward deformation can occur for bottom plate, and as shown in Figure 5 and Figure 6, inside deformation can occur for groove body side plate, which sometimes cannot Restore.If slot cover has downward irreclaimable deformation, it is easy ponding, to influence the durability of slot cover.

If the material of cable trough is steel plate, it is easy to corrode, needs regular coating, maintenance heavy workload.

In view of this, it is necessary to invent novel cable trough, overcome existing electricity from structure model selection and material selection etc. The shortcomings that cable slot.

Summary of the invention

In view of the above-mentioned problems, solving cable the purpose of the present invention is to provide a kind of fibre reinforced composites cable trough The Rigidity of horizontal and vertical (i.e. the length direction) of the slot cover and groove body bottom plate of slot, prevents the inclination unstability of groove body side plate, Improve the durability of cable trough.

The purpose of the present invention is what is be achieved through the following technical solutions:

A kind of fibre reinforced composites cable trough, including groove body and slot cover, the groove body are U-shaped, including one piece of bottom plate With two blocks of side plates；Along the transverse direction of the cable trough, the bottom plate and slot cover are in variable cross-section design, and the bottom plate and slot cover Intermediate cross-section thickness is respectively greater than its two sides section thickness；

The groove body and slot cover are connected by a snap, and the buckle includes pin thread and female thread；The side plate top section increases Pin thread is formed in fusiform greatly and in vertical direction, the female thread is located at the both ends of the slot cover and in " trouser legs type ", the female thread Two trouser legs are constituted by the first vertical limb and the second vertical limb, the cavity shape surrounded by described two trouser legs and the pin thread Shape be adapted.

Further, it is in arc-shaped that the top surface of the bottom plate and slot cover is whole, is raised upward.

Further, the pin thread and the side plate are integrally formed, and the female thread and the slot cover are integrally formed.

Further, the female thread is located at the end bottom side of the slot cover and is arranged straight down, the first vertical limb With the end for being connected to the slot cover at the top of the second vertical limb.

Further, the outer surface of the inner surface and the slot cover of the bottom plate and the side plate is machined with multiple tracks edge respectively The protrusion of putting more energy into of cable trough length direction.

Further, the convex cross section of putting more energy into be arc-shaped, triangle or rectangle.

Further, the groove body and the slot cover are all made of composite material and are made, and the composite material includes along cable The reinforcing fiber and the basis material being filled in the reinforcing fiber gap that slot length direction is continuously arranged；The composite material In further include one layer continuously arranged along cable trough length direction or multi-layer and multi-directional reinforcing fiber mats；

Wherein, described matrix material is unsaturated polyester resin, vinylite, epoxy resin, polyurethane resin or phenol Any one in urea formaldehyde；The reinforcing fiber is any one in glass fibre, basalt fibre or carbon fiber.

Further, the groove body and slot cover be all made of pultrusion, molding, vacuum pouring or resin transfer moulding (RTM) at Type.

Further, the groove body bottom is equipped with vertical clapboard.

The invention has the benefit that

The arc thickness design of fibre reinforced composites cable trough of the present invention, groove body bottom plate and slot cover, not only It improves it and resists the curved ability of vertical and horizontal, and be avoided that surface area water, protect it from the influence of rain erosion； Groove body inner surface and slot cover lower surface longitudinally put more energy into protrusion design, not only further improve its resist buckling energy Power, and sheet member buckling unstability can be prevented；Groove body is connected with slot cover using snap, not only constrains groove body side plate inside It with outside deformation, prevents it from rolling unstability, and can prevent the slot cover under windward live loading from being thrown；In groove body and slot Multidirectional reinforcing fiber mats are added in the material composition of lid, its transverse strength can be effectively improved.

Detailed description of the invention

Fig. 1 is the cross-sectional view of fibre reinforced composites cable trough of the present invention.

Fig. 2 is enlarged diagram at A in Fig. 1, and arrow meaning is cable trough length direction in figure.

Fig. 3 is to buckle enlarged diagram in Fig. 1.

Fig. 4 a~4c is the structural schematic diagram of existing cable slot.

Fig. 5 is the deformation schematic diagram of slot cover and groove body when mobile load F is acted in slot cover, and dotted line is original structure in figure.

Fig. 6 is the deformation schematic diagram of groove body when mobile load F is acted on the bottom plate of groove body, and dotted line is original structure in figure.

Wherein, 1- groove body, 11- bottom plate, 12- side plate, 13- pin thread, 2- slot cover, 21- female thread, (the vertical limb of 211- first, The vertical limb of 212- second, 3- vertical clapboard, 4- put more energy into protrusion, 5- buckle, 6- reinforcing material, 7- basis material, the multidirectional enhancing of 8- Fibrofelt, 9- additive；t₁For bottom plate interior thickness, t₂For bottom plate thickness of two sides, t₃For slot cover interior thickness, t₄For slot cover two Side thickness；F is mobile load.

Specific embodiment

In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right The present invention is further elaborated.It should be appreciated that described herein, specific examples are only used to explain the present invention, not For limiting the present invention.

As shown in Figure 1, a kind of fibre reinforced composites cable trough, including groove body 1 and slot cover 2.The groove body 1 is U-shaped, Including one piece of bottom plate 11 and two blocks of side plates 12.Along the transverse direction of the cable trough, the bottom plate 11 and slot cover 2 are set in variable cross-section The whole top surface of meter, the bottom plate 11 and slot cover 2 is in arc-shaped, is raised upward；Specifically, the intermediate cross-section of the bottom plate 11 Thickness t₂Greater than two sides section thickness t₁, the intermediate cross-section thickness t of slot cover 2₄Greater than two sides section thickness t₃.This arc thickens The design of degree not only can increase the horizontal and vertical module of anti-bending section of middle part position, so that it is horizontal and vertical curved to improve its resistance Bent ability, and transverse drainage slope is provided, avoid ponding.

By 5 connection of buckle, the buckle 5 includes pin thread 13 and female thread 21 for the groove body 1 and slot cover 2.As shown in figure 3, 12 tip section of side plate increases and forms pin thread 13 in fusiform in vertical direction, and the female thread 21 is located at the slot cover 2 Both ends and be in " trouser legs type ", the female thread 21 constitutes two trouser legs by the first vertical limb 211 and the second vertical limb 212, by described The shape of cavity shape and the pin thread 13 that two trouser legs are surrounded is adapted.Wherein, the pin thread 13 and the side plate 12 It is integrally formed, the female thread 21 is integrally formed with the slot cover 2.The female thread 21 is located at the end bottom side of the slot cover 2 and erects Straight down-set, the top of the first vertical limb 211 and the second vertical limb 212 is connected to the end of the slot cover 2.It is described Pin thread 13 is bigger than the thickness of the side plate 12, can also increase the module of anti-bending section of the groove body 1, so that it is curved to improve its resisting longitudinal Qu Nengli.The design of the female thread 21 can also improve the resisting longitudinal bending ability of the slot cover 2.The buckle 5 can not only constrain The inwardly or outwardly deformation of the side plate prevents it from rolling unstability, and can prevent the slot cover 2 under windward live loading It is thrown, in addition also facilitates the disassembly of slot cover 2.There are many form of buckle, and the present invention is one of which.

The outer surface of the inner surface and the slot cover 2 of the bottom plate 11 and the side plate 12 is machined with multiple tracks along cable respectively The protrusion 4 of putting more energy into slot length direction.Raised 4 sections of putting more energy into can be arc-shaped, triangle or rectangle etc..The protrusion of putting more energy into 4 setting is under the premise of minimizing composite material dosage, not only can increase the groove body 1 and the slot cover 2 Longitudinal module of anti-bending section to improve its ability for resisting buckling, and can prevent the inclination of the side plate 12 from losing Surely.For sheet member, protrusion of putting more energy into is equivalent to ribbed stiffener, and the shape of ribbed stiffener can be there are many shape.

1 bottom of groove body is equipped with vertical clapboard 3, it is therefore an objective to separate cable and communication signal line.

The groove body 1 and the slot cover 2 are all made of composite material and are made, as shown in Fig. 2, the composite material includes along electricity The reinforcing fiber 6 and the basis material 7 being filled in 6 gap of reinforcing fiber that cable slot length direction is continuously arranged, the base Additive 9 is also added into body material 7, the additive 9 can be anti-aging agent, catalyst, fire retardant etc., it is therefore an objective to improve product Physical property.It further include one layer continuously arranged along cable trough length direction or multi-layer and multi-directional enhancing in the composite material Fibrofelt 8.Wherein, described matrix material 7 is unsaturated polyester resin, vinylite, epoxy resin, polyurethane resin or phenol Any one in urea formaldehyde；The reinforcing fiber 6 is any one in glass fibre, basalt fibre or carbon fiber；Institute Stating multidirectional reinforcing fiber mats 8 is times in multidirectional glass mat or multidirectional basalt fibre felt or multidirectional carbon fiber felt It anticipates one kind.

The groove body 1 and slot cover 2 are all made of pultrusion, molding, vacuum pouring or resin transfer moulding (RTM) molding.

There are many moulding process of composite product, fibre reinforced composites cable trough using whole pultrusion, molding or Vacuum pouring molding.Its production process is introduced by taking whole pultrusion as an example.First according to product design size mold, with glass Any one in glass fiber, basalt fibre or carbon fiber exists as reinforcing fiber 6 together with multidirectional reinforcing fiber mats 8 Marshalling on sand frame, the arranged direction of the reinforcing fiber 6 are the length direction of cable trough, and 6 front end of reinforcing fiber is penetrated Mold；With any one work in unsaturated polyester resin, vinylite, epoxy resin, polyurethane resin or phenolic resin For basis material 7, mold is injected together with other additives 9；It is heated to mold, so that 7 curing molding of basis material；In mould Tool front end is stretching in the semi-finished product being cured in mold with pulling equipment；With cutting equipment according to design size cutting section, just Completed fibre reinforced composites cable trough finished product.Unlike other similar product, the fiber-reinforced composite Multidirectional reinforcing fiber mats 8 are increased in material cable trough, it is therefore an objective to improve the cross directional stretch and bending strength of cable trough.If not yet There are the multidirectional reinforcing fiber mats 8 of arrangement, the longitudinal tensile strength of cable trough is more than 1000MPa, and transverse tensile strength is only about 50MPa；It arranges after multidirectional reinforcing fiber mats 8, the transverse tensile strength of cable trough can be more than 80MPa, it might even be possible to reach 200MPa or more, longitudinal tensile strength are able to maintain that in 800MPa or more.

The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.