CN205223741U - Strenghthened type shear hinge - Google Patents
Strenghthened type shear hinge Download PDFInfo
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- CN205223741U CN205223741U CN201520939339.8U CN201520939339U CN205223741U CN 205223741 U CN205223741 U CN 205223741U CN 201520939339 U CN201520939339 U CN 201520939339U CN 205223741 U CN205223741 U CN 205223741U
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- guide
- limit part
- guiding connector
- shearing resistance
- shear hinge
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Abstract
The utility model relates to a strenghthened type shear hinge belongs to track traffic areas. The utility model provides a current technical scheme ubiquitous relate to that the work piece is many, manufacturing procedure is complicated, manufacturing cost is high and have the phenomenon of snapping scheduling problem. The utility model discloses a be equipped with the pilot hole that is used for holding shear -resistant mandrel on direction connecting piece, direction locating part and the shear -resistant mandrel, direction connecting piece and direction locating part respectively, shear -resistant mandrel inserts and establishes in the pilot hole on direction connecting piece and the direction locating part and keep sliding fit at least with between the direction connecting piece, and the direction connecting piece and the locating part that leads are made by whole metal block, the pilot hole sets up at whole metal block middle part, and the direction connecting piece links to each other with anchor connection structure respectively with the direction locating part, still is equipped with shear -resistant mandrel's limit structure on the direction locating part. The utility model discloses mainly be used in in the construction of track traffic.
Description
Technical field
The utility model belongs to field of track traffic, relates to railway bed accessory, be specially a kind of floating ballast bed in the shear hinge of Transfer of Shear between adjacent floating plate.
Background technology
A large amount of engineering practices of field of track traffic prove, floating plate road bed technique is one of the most effective existing track vibration damping denoising technology, and particularly in subway and urban light rail, this technology is widely used.In existing floating ballast bed structure, shear hinge is the structure important component part of Transfer of Shear between adjacent floating plate, can share the shearing that rail bears in leap plate seam place, make plate compatible deformation.A large amount of floating plate shear hinge form used is divided into middle-set-type and overhead two kinds both at home and abroad at present.The middle-set-type shear hinge of current use comprises shearing resistance plug and guiding contact sleeve, during use, middle-set-type shear hinge is positioned at the position of plate Section Central, cuts plug and is separately fixed in adjacent floating plate with guiding contact sleeve, and guiding contact sleeve is inserted in one end of shearing resistance plug.This kind of shear hinge cost is low, during construction first by shear hinge together with the tie with reinforcing bar of floating plate, be fixedly connected with floating plate after fluid concrete, its reasonable stress, without the need to additionally arranging fixed structure.But this type of shear hinge then cannot be changed after pouring concrete, be difficult to after circuit operation from the duty of its material of floating plate top view and damage, corrosion situation, maintain and replace is very difficult.Although overhead shear hinge can be installed on floating plate surface; easy construction; for ease of maintenaince change; but in prior art, overhead shear hinge mainly utilizes steel pipe and rod iron to make, for improving structural strength; usually also need to strengthen gusset in the surface soldered of steel pipe; local welding easily makes steel pipe produce distortion, so need to carry out machining to the tube chamber of steel pipe, to ensure rod iron being slidably matched in steel pipe after welding.Therefore, this kind of technical scheme ubiquity relates to the defect that workpiece is many, manufacturing procedure is complicated, manufacturing cost is high, and the position in addition due to welding is more, also finds that there is problems such as snapping in engineer applied.
Utility model content
The purpose of this utility model is to overcome above-mentioned defect, provides the reinforced shear hinge that a kind of structure is simple, manufacturing procedure is easy, structural strength is better, globality is stronger.
The reinforced shear hinge of the utility model realizes like this, comprise guiding connector, guide and limit part and shearing resistance plug, guiding connector and guide and limit part are respectively equipped with the pilot hole for holding shearing resistance plug, in the pilot hole that shearing resistance plug is plugged on guiding connector and guide and limit part and at least and keep between guiding connector being slidably matched, guiding connector and guide and limit part are made up of bulk metal block, described pilot hole is arranged in the middle part of bulk metal block, guiding connector is connected with anchor connection structure respectively with guide and limit part, guide and limit part is also provided with the position limiting structure of shearing resistance plug.
The concrete form of described anchor connection structure is varied, it can be anchor rib, the guiding connector that anchor rib and bulk metal block are made and guide and limit part are directly solidly fixed, preferably, described anchor rib is welded on the both sides sidewall of bulk metal block, and its axis direction is parallel to the direction of the vertical shearing that shearing resistance plug bears; Or anchor connection structure comprises junction plate and anchor rib, junction plate and anchor rib are solidly fixed, and guiding connector and guide and limit part are provided with installation through hole with junction plate respectively, and guiding connector and guide and limit part are connected with utilizing securing member between junction plate.
The concrete form of described position limiting structure also can be varied, and it can be the guide and limit part jackscrew that arrange corresponding on shearing resistance plug and counterbore; Or the cottor pin that guide and limit part is arranged and pilot hole; Or the corresponding installation through hole arranged on the securing member that guide and limit part is arranged and pilot hole and shearing resistance plug; In addition, position limiting structure can also comprise limiting plate and securing member, and limiting plate is arranged on the end face of guide and limit part away from one end of guiding connector, and limiting plate is connected with guide and limit part with shearing resistance plug respectively by securing member.
In order to reach antirust and the object of lubrication, the sidewall of guide and limit part being arranged butter perfusion channel and grease nipple, or the sidewall of guiding connector and guide and limit part arranges butter perfusion channel and grease nipple respectively.In addition, in order to prevent being formed in application sets at shearing resistance mandrel surface, the pilot hole of guiding connector and guide and limit part and the end of shearing resistance plug abutting end arrange respectively rounded corner, circular arc chamfering or with the sharp chamfering of its axis angle within the scope of 0.3 ° ~ 15 °.
Bulk metal block described in the utility model comprises the bloom of various integrated molding, iron block or Al alloy block etc., as long as intensity is enough, can be applied in the utility model.
It is simple that the reinforced shear hinge of the utility model has Structure and energy, and good integrity, the advantages such as applicability is strong, can be widely used in various floating ballast bed structure, market application foreground is very wide.
Accompanying drawing explanation
Fig. 1 is one of structural representation of the reinforced shear hinge of the utility model.
Fig. 2 is the right view of Fig. 1.
Fig. 3 is the application schematic diagram of the reinforced shear hinge of the utility model shown in Fig. 1.
Fig. 4 is the structural representation two of the reinforced shear hinge of the utility model.
Fig. 5 is the A portion enlarged drawing of Fig. 4.
Fig. 6 is the structural representation three of the reinforced shear hinge of the utility model.
Fig. 7 is the right view of Fig. 6.
Fig. 8 is the application schematic diagram of the reinforced shear hinge of the utility model shown in Fig. 6.
Fig. 9 is the structural representation four of the reinforced shear hinge of the utility model.
Figure 10 is the structural representation five of the reinforced shear hinge of the utility model.
Figure 11 is the right view of Figure 10.
Figure 12 is one of B portion enlarged drawing of Figure 10.
Figure 13 is the B portion enlarged drawing two of Figure 10.
Detailed description of the invention
Embodiment one
As Fig. 1, the reinforced shear hinge of the utility model shown in Fig. 2, comprise guiding connector 2, guide and limit part 3 and shearing resistance plug 1, guiding connector 2 and guide and limit part 3 are respectively equipped with the pilot hole for holding shearing resistance plug 1, shearing resistance plug 1 is plugged in the pilot hole on guiding connector 2 and guide and limit part 3, described guiding connector 2 and guide and limit part 3 are made up of bulk metal block respectively, described bulk metal block is specially the bloom that structural carbon steel integrated molding is made, described pilot hole is arranged in the middle part of bulk metal block, guiding connector 2 is connected with anchor connection structure respectively with guide and limit part 3, guide and limit part 3 is also provided with the position limiting structure of shearing resistance plug 1.Wherein, described anchor connection structure is many anchor ribs 5, and anchor rib 5 is directly fixedly connected with guiding connector 2 and guide and limit part 3 respectively, and the welding edges of anchor rib has amplification termination; Described position limiting structure is the guide and limit part jackscrew 4 that arrange corresponding on shearing resistance plug and counterbore, can realize being slidably matched between shearing resistance plug and guiding connector 2.
When being applied to floating ballast bed structure, as shown in Figure 3, the guiding connector 2 of reinforced for the utility model shear hinge and guide and limit part 3 are preset in respectively the end of floating plate 6 and adjacent floating plate 7 and floating plate 8 correspondence, after adjusting the height of floating plate, shearing resistance plug 1 is plugged in the pilot hole of guiding connector 2 and guide and limit part 3, and it is spacing to utilize jackscrew 4 to carry out, complete the assembling of the reinforced shear hinge of the utility model, realize utilizing shear hinge to be linked together by floating plate 6,7 and 8.Certainly, the reinforced shear hinge of the utility model that can also be pre-assembled, then build among floating plate by location site as shown in Figure 3, after maintenance completes, then jacking is carried out to floating plate, form floating ballast bed structure.
Compared with prior art, in the described reinforced shear hinge of this example, because guiding connector 2 and guide and limit part 3 are processed by the steel plate of monoblock respectively, its structural entity intensity is very large, without the need to arranging reinforcement gusset in addition, and it only welds with anchor rib 5, therefore the element that relates to of this reinforced shear hinge is considerably less, the welding job amount related to is also very little, its processing technology is simple and be easy to operation, the distortion that guiding connector and guide and limit part cause because of welding is very little, therefore the pilot hole on guiding connector and guide and limit part also need not before welding after reprocessabilty.
Bulk metal block is except can making with structural carbon steel integrated molding; bulk metal block described in the utility model can also comprise other blooms, the iron block or Al alloy block etc. of various integrated molding; such as cast steel block, ductile iron block etc.; as long as intensity is enough; can be applied in the utility model, all within the protection domain of the utility model requirement.
In sum, it is simple that the reinforced shear hinge of the utility model has Structure and energy, and good integrity, the advantages such as applicability is strong, can be widely used in various floating ballast bed structure, market application foreground is very wide.
Embodiment two
The reinforced shear hinge of the utility model as shown in Figure 4 and Figure 5, is with the difference of reinforced shear hinge described in embodiment one, and the pilot hole of guiding connector 2 and guide and limit part 3 and the end of shearing resistance plug 1 abutting end arrange rounded corner 11 respectively; In addition, one end of guiding connector 2 is welded and fixed and arranges baffle plate 10 and close one-sided for pilot hole, and closes inside, side at pilot hole and arrange elastic body 9, to adapt to shearing resistance plug 1 and the Relative sliding between guiding connector 2 and guide and limit part 3 in use procedure; In addition, position limiting structure is cottor pin 18 and pilot hole that guide and limit part 3 is arranged.
Because guiding connector 2 and the pilot hole of guide and limit part 3 and the end of shearing resistance plug 1 abutting end arrange rounded corner respectively, not easily produce the concentrated phenomenon of stress at the initial contact with shearing resistance plug, thus can effectively prevent shearing resistance plug from occurring fatigue fracture, greatly improve the application life of the reinforced shear hinge of the utility model.Certainly; based on the know-why described in this example; also can guiding connector 2 and the pilot hole of guide and limit part 3 and the end of shearing resistance plug 1 abutting end arrange respectively circular arc chamfering or with the sharp chamfering of its axis angle within the scope of 0.3 ° ~ 15 °; also same technique effect can be realized; only be described with word at this; accompanying drawing illustrates no longer one by one, all among the protection domain of the utility model requirement.
Application process and the advantage of the described reinforced shear hinge of this example are substantially identical with embodiment one, no longer repeat at this.
Embodiment three
The reinforced shear hinge of the utility model as shown in Figure 6, Figure 7, be with the difference of implementation column one, anchor connection structure comprises junction plate 15, junction plate 16 and anchor rib 5, anchor rib 5 is fixedly installed on junction plate 15 and junction plate 16 respectively, guiding connector 2 is corresponding with junction plate 16 is provided with installation through hole, guide and limit part 3 is corresponding with junction plate 15 is provided with installation through hole, is connected between guiding connector 2 with junction plate 16 and between guide and limit part 3 with junction plate 15 respectively by securing member 17; In addition, position limiting structure comprises limiting plate 12, securing member 13 and securing member 14, limiting plate 12 is arranged on the end face of guide and limit part 3 away from one end of guiding connector 2, and limiting plate 12 is connected with shearing resistance plug 1 and guide and limit part 3 with securing member 14 respectively by securing member 13.
During application, as shown in Figure 8, be with the difference of embodiment one, can only build integral with floating plate 7 and floating plate 6 respectively by junction plate 15 and anchor rib 5 and junction plate 16 and anchor rib 5, in like manner, floating plate 8 with floating plate 6 be also like this.Complete after jacking until floating plate, by securing member 17, guiding connector 2 and junction plate 16 are fixedly linked again, guide and limit body 3 and junction plate 15 are fixedly linked, thus realize reinforced for the utility model shear hinge to be fixedly installed between floating plate 7 and 6 and between floating plate 6 and 8, the connection between all floating plates can be realized according to the method described above, and then form floating ballast bed structure.In use procedure, can there is Relative sliding with guide and limit part 2 in shearing resistance plug 1, with adapt to floating plate body expand with heat and contract with cold or train operation time floating plate body occur to rock produced relative displacement along rail longitudinal direction.Compared with technical scheme described in embodiment one, on the one hand, the reinforced shear hinge described in this example, for the floating plate of prefabricated, transport and handling process in convenient; On the other hand, because guiding connector 2 and guide and limit part 3 all do not relate to welding procedure in production installation process, therefore selection range is broader, cast iron process such as can be utilized to make guiding connector 2 and guide and limit part 3, by pilot hole casting, namely can complete through a small amount of processing such as boring and fraising again, be conducive to reducing product cost.Certainly, also as described in embodiment one, described for this example reinforced shear hinge can be assembled in advance, then cast in situs is fixed in adjacent two pieces of floating plates.
Based on the know-why described in Fig. 7, the concrete structure of guiding connector and guide and limit part can also be optimized by shown in Fig. 9, to reduce materials'use amount, reduce costs further.
Embodiment four
As shown in Figure 10, Figure 11 and Figure 12, the reinforced shear hinge of the utility model, is with the difference of embodiment one, and position limiting structure is the corresponding installation through hole arranged on securing member 19 and pilot hole and shearing resistance plug 1 that guide and limit part 3 is arranged; In addition, the sidewall sidewall of guide and limit part 2 being arranged guide and limit part arranges butter perfusion channel and grease nipple 20; In addition, anchor rib 5 is welded on the both sides sidewall of guiding connector 2 that bulk metal block makes and guide and limit part 3, and its axis direction is parallel to the direction of the vertical shearing that shearing resistance plug 1 bears; 4th, the pilot hole of guiding connector 2 and guide and limit part 3 and the end of shearing resistance plug 1 abutting end arrange circular arc chamfering 21 respectively.
Because guiding connector 2 and the pilot hole of guide and limit part 3 and the end of shearing resistance plug 1 abutting end arrange circular arc chamfering 21 respectively, not easily produce the concentrated phenomenon of stress at the initial contact with shearing resistance plug, thus can effectively prevent shearing resistance plug from occurring fatigue fracture, greatly improve the application life of the reinforced shear hinge of the utility model.Certainly; can also be as shown in figure 13; arranging respectively with its axis angle at guiding connector 2 and the pilot hole of guide and limit part 3 and the end of shearing resistance plug 1 abutting end is the sharp chamfering 22 of 15 °; certainly; the suitable span of described sharp chamfering is 0.3 ° ~ 15 °, can give design alternative, or arrange rounded corner during application according to actual conditions; also similar technique effect can be played, all among the protection domain of the utility model requirement.
In technical scheme described in this example, the sidewall of guide and limit part 2 is provided with butter perfusion channel and grease nipple 20, can add note butter at any time as required in use procedure, the effect of butter is: 1) reduce wear; 2) sealing function, prevents oxygen from entering, and reaches antirust and the object of lubrication.Find there is no the easy corrosion abrasion of butter shearing resistance plug in practice.For the technical scheme that shearing resistance plug 1 in embodiment two and all can realizing between guiding connector 2 and guide and limit part 3 is slidably matched, also butter perfusion channel and grease nipple can be set respectively on guiding connector and guide and limit part.Certainly, in actual applications, according to use needs, the quantity of grease nipple 20 also can arrange two, three, even more, among the protection domain all required at the utility model.In addition, anchor rib 5 is welded on the both sides sidewall of guiding connector 2 that bulk metal block makes and guide and limit part 3, its axis direction is parallel to the direction of the vertical shearing that shearing resistance plug 1 bears, this anchor rib fixed form is stressed best, weld seam is subject to forward shearing to be the most rational, not easy to crack, fatigue strength is high, and the life-span is long.The application process of the described reinforced shear hinge of this example is substantially identical with embodiment one, no longer repeats at this.
Be presented above part exemplary embodiments of the present utility model; object is the convenient technical scheme understanding the utility model better; it should not be considered as restriction of the present utility model; technical scheme wherein in each embodiment also can cross-reference; as long as based on know-why of the present utility model, all among the protection domain of the utility model requirement.
Claims (9)
1. a reinforced shear hinge, comprise guiding connector, guide and limit part and shearing resistance plug, guiding connector and guide and limit part are respectively equipped with the pilot hole for holding shearing resistance plug, in the pilot hole that shearing resistance plug is plugged on guiding connector and guide and limit part and at least and keep between guiding connector being slidably matched, it is characterized in that: guiding connector and guide and limit part are made up of bulk metal block respectively, described pilot hole is arranged in the middle part of bulk metal block, guiding connector is connected with anchor connection structure respectively with guide and limit part, guide and limit part is also provided with the position limiting structure of shearing resistance plug.
2. reinforced shear hinge according to claim 1, is characterized in that: anchor connection structure is anchor rib, and the guiding connector that anchor rib and bulk metal block are made and guide and limit part are directly solidly fixed.
3. reinforced shear hinge according to claim 2, is characterized in that: described anchor rib is welded on the both sides sidewall of bulk metal block, and its axis direction is parallel to the direction of the vertical shearing that shearing resistance plug bears.
4. reinforced shear hinge according to claim 1, it is characterized in that: anchor connection structure comprises junction plate and anchor rib, junction plate and anchor rib are solidly fixed, correspondingly with junction plate respectively on guiding connector and guide and limit part be provided with installation through hole, guiding connector and guide and limit part are connected with utilizing securing member between junction plate.
5. reinforced shear hinge according to claim 1, it is characterized in that: position limiting structure comprises the guide and limit part jackscrew that arrange corresponding on shearing resistance plug and counterbore, or the cottor pin that guide and limit part is arranged and pilot hole, or the corresponding installation through hole arranged on the securing member that guide and limit part is arranged and pilot hole and shearing resistance plug.
6. reinforced shear hinge according to claim 1, it is characterized in that: position limiting structure comprises limiting plate and securing member, limiting plate is arranged on the end face of guide and limit part away from one end of guiding connector, and limiting plate is connected with shearing resistance plug and guide and limit part respectively by securing member.
7. reinforced shear hinge according to claim 1, is characterized in that: the sidewall of guide and limit part is arranged butter perfusion channel and grease nipple, or the sidewall of guiding connector and guide and limit part arranges butter perfusion channel and grease nipple respectively.
8. reinforced shear hinge according to claim 1, is characterized in that: the pilot hole of guiding connector and guide and limit part and the end of shearing resistance plug abutting end arrange respectively rounded corner, circular arc chamfering or with the sharp chamfering of its axis angle within the scope of 0.3 ° ~ 15 °.
9. reinforced shear hinge according to claim 1, is characterized in that: described bulk metal block comprises the bloom of integrated molding, iron block or Al alloy block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520939339.8U CN205223741U (en) | 2015-11-21 | 2015-11-21 | Strenghthened type shear hinge |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520939339.8U CN205223741U (en) | 2015-11-21 | 2015-11-21 | Strenghthened type shear hinge |
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| CN205223741U true CN205223741U (en) | 2016-05-11 |
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| CN201520939339.8U Active CN205223741U (en) | 2015-11-21 | 2015-11-21 | Strenghthened type shear hinge |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110670425A (en) * | 2019-09-25 | 2020-01-10 | 北京九州一轨隔振技术有限公司 | Plate end connecting device and rail structure |
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2015
- 2015-11-21 CN CN201520939339.8U patent/CN205223741U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110670425A (en) * | 2019-09-25 | 2020-01-10 | 北京九州一轨隔振技术有限公司 | Plate end connecting device and rail structure |
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