CN111335156B - Basalt fiber comb plate, and telescopic component and telescopic device using comb plate - Google Patents
Basalt fiber comb plate, and telescopic component and telescopic device using comb plate Download PDFInfo
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- CN111335156B CN111335156B CN202010133141.6A CN202010133141A CN111335156B CN 111335156 B CN111335156 B CN 111335156B CN 202010133141 A CN202010133141 A CN 202010133141A CN 111335156 B CN111335156 B CN 111335156B
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- comb plate
- guide rail
- comb
- plate body
- telescopic
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/06—Arrangement, construction or bridging of expansion joints
- E01D19/065—Joints having sliding plates
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
- Escalators And Moving Walkways (AREA)
Abstract
The invention relates to a basalt fiber comb plate, a telescopic component and a telescopic device using the comb plate, wherein the comb plate comprises a comb plate body, the front end of the comb plate body is provided with a guide structure which is used for being guided, moved and matched with a front guide rail along the left-right direction, the rear end of the comb plate body is a front comb plate telescopic section which is used for extending into a space between two corresponding adjacent rear comb plates, the top of the front comb plate telescopic section is provided with a front comb plate stepped groove, and the top of the front end of the comb plate body is outwards turned left or right to form a front comb plate gap blocking edge which is used for blocking the upper side of the corresponding rear comb plate stepped groove. The invention solves the technical problem that impurities easily fall into the rear side of the front comb plate and the front side of the rear comb plate to cause blockage in the prior art.
Description
Technical Field
The invention relates to a basalt fiber comb plate in Europe in the field of bridge construction, and a telescopic component and a telescopic device using the comb plate.
Background
In the process of road construction, a bridge is a main means for crossing obstacles such as rivers, deep valleys, roads and the like, and the bridge deck can generate longitudinal telescopic deformation due to expansion and contraction caused by temperature change, so that a telescopic device capable of freely deforming needs to be arranged between two beam ends or between the beam ends and a bridge abutment to ensure that the bridge deck is smooth and a structural body is protected.
The conventional expansion device, as disclosed in chinese patent CN110241719A, "a comb-type expansion device and expansion member", includes a front expansion member and a rear expansion member, the front expansion member includes a front expansion member base body whose length extends along the left-right direction, the rear expansion member includes a rear expansion member base body whose length extends along the left-right direction, the front expansion member base body is provided with a front guide rail whose guiding direction extends along the left-right direction, the rear expansion member base body is provided with a rear guide rail whose guiding direction extends along the left-right direction, the front guide rail is provided with a plurality of front comb teeth in a guiding movement manner, the rear guide rail is provided with a plurality of rear comb teeth in a guiding movement manner, the comb-type expansion device further includes an elastic pushing mechanism and a blocking mechanism respectively disposed at the left and right sides of each comb tooth, the elastic pushing mechanism applies a force in the right direction to the leftmost comb tooth, the rightmost comb teeth are stopped on the stopping mechanism, the rear ends of the front comb teeth are clamped between the two corresponding rear comb teeth, and the front ends of the rear comb teeth are clamped between the two corresponding front comb teeth.
When the device is used specifically, acting force towards the right direction is applied to the leftmost comb teeth through the elastic pushing mechanism, so that no contact gap exists between the front comb teeth and the connected rear comb teeth, the problem of tire noise caused by existence of transverse Jiangxi is solved, and when the bridge deck is longitudinally stretched and deformed, the front comb teeth and the rear comb teeth move relatively in the front-rear direction, so that the deformed release is realized. The prior comb plate type telescopic device has the problems that: the rear side of preceding broach and the front side of back broach are open structure, have impurity to fall into easily, and hinder the relative movement of preceding broach, back broach, cause the telescoping device to become invalid.
Disclosure of Invention
The invention aims to provide a comb plate, which aims to solve the technical problem that impurities easily fall into the rear side of a front comb plate and the front side of a rear comb plate to cause blockage in the prior art; the invention also aims to provide a telescopic member and a telescopic device using the comb plate.
In order to solve the technical problems, the technical scheme of the invention is as follows:
the technical scheme of the comb plate is as follows:
the utility model provides a basalt fiber comb plate, includes the comb plate body, the front end of comb plate body is provided with and is used for removing complex guide structure along left right direction and preceding guide rail direction, and the rear end of comb plate body is for being used for stretching into the flexible section of preceding comb plate between corresponding two adjacent back comb plates, and the top of the flexible section of preceding comb plate is provided with preceding comb plate step groove, and the front end top of comb plate body turns up towards left side and/or turns up towards the right side and has the preceding comb plate gap that is used for sheltering from corresponding back comb plate step groove upside to keep off along.
The top that preceding comb plate gap kept off along flushes the setting with the top of comb plate body.
The technical scheme of the telescopic member in the invention is as follows:
the utility model provides a flexible component, including flexible component base member, be provided with the front rail that direction extends along left right direction on the flexible component base member, the direction removes on the front rail and is equipped with a plurality of preceding combs, each preceding comb all includes the comb body, the front end of comb plate body is provided with and is used for removing complex guide structure along left right direction and preceding guide rail direction, the flexible section of preceding comb between two adjacent back combs is stretched into for being used for stretching into to the rear end of comb body, the top of the flexible section of preceding comb is provided with preceding comb step groove, the front end top of comb body turns up towards left side and/or towards the right side and has the preceding comb gap that is used for sheltering from corresponding back comb step groove upside and keep off the edge.
The top that preceding comb plate gap kept off along flushes the setting with the top of comb plate body.
The front comb plate gap blocking edge is positioned on the left side of the comb plate body, and in two adjacent front comb plates, the left side surface of the front comb plate gap blocking edge on the front comb plate close to the right in position is in contact fit with the right side surface of the front comb plate close to the left in position.
The technical scheme of the telescopic device in the invention is as follows:
the telescoping device comprises a front telescoping component and a rear telescoping component, wherein the front telescoping component comprises a front telescoping component base body, a front guide rail is arranged on the front telescoping component base body, the guide direction of the front telescoping component base body extends along the left-right direction, a plurality of front comb plates are assembled on the front guide rail in a guiding movement manner, the rear telescoping component comprises a rear telescoping component base body, a rear guide rail is arranged on the rear telescoping component base body, the guide direction of the rear guide rail extends along the left-right direction, a plurality of rear comb plates are assembled on the rear guide rail in a guiding movement manner, each front comb plate comprises a front comb plate body, each rear comb plate comprises a rear comb plate body, the front end of each front comb plate body and the rear end of each rear comb plate body are provided with guide structures which are matched with the corresponding guide rail in a guiding movement manner along the left-right direction, the rear end of each front comb plate body is used for extending into a front comb plate telescoping section between two corresponding adjacent rear comb plates, the front end of each rear comb plate body is used for extending into a rear comb plate telescoping section between two corresponding front comb plates, the top of the front comb plate telescopic section is provided with a front comb plate step groove, the top of the rear comb plate telescopic section is provided with a rear comb plate step groove, the top of the front end of the front comb plate body is outwards turned towards the left and/or towards the right to form a front comb plate gap blocking edge used for blocking the upper side of the corresponding rear comb plate step groove, and the top of the front end of the rear comb plate body is outwards turned towards the left and/or towards the right to form a rear comb plate gap blocking edge used for blocking the upper side of the corresponding front comb plate step groove.
The guide structure is a guide rail groove arranged at the bottom of the comb plate body, and the guide rail groove is of a big belly groove structure with a big cavity and a small mouth.
The front comb plate gap blocking edge is positioned on the left side of the front comb plate body, and the left side surface of the front comb plate gap blocking edge on the front comb plate body positioned on the right side in two adjacent front comb plates is in contact fit with the right side surface of the front comb plate body positioned on the left side; the rear comb plate gap blocking edge is positioned on the right side of the rear comb plate body, and in two adjacent rear comb plates, the right side surface of the rear comb plate gap blocking edge on the rear comb plate body close to the left is in contact fit with the left side surface of the rear comb plate body close to the right.
The top height of the front comb plate body, the rear comb plate body, the front comb plate gap blocking edge and the rear comb plate gap blocking edge is consistent.
The invention has the beneficial effects that: in the invention, the front comb plate telescopic section of the front comb plate extends to the lower side of the rear comb plate gap retaining edge of the rear comb plate, and the rear comb plate telescopic section of the rear comb plate extends to the lower side of the front comb plate gap retaining edge of the front comb plate, so that the front comb plate gap retaining edge and the rear comb plate gap retaining edge can not influence the normal telescopic function of the corresponding comb plate telescopic section, and can shield the upper side of the telescopic space of the corresponding comb plate telescopic section, thereby avoiding impurities from falling into the telescopic space to influence the normal telescopic function of the telescopic device.
Drawings
FIG. 1 is a schematic view of the construction of one embodiment of the telescopic device of the present invention;
FIG. 2 is a schematic view of the front and rear telescoping member bases of FIG. 1 in cooperation with corresponding guide rails;
FIG. 3 is a schematic view of the front comb plate of FIG. 2 engaged with the front and rear guide rails;
FIG. 4 is a left side view of the front comb plate of FIG. 3;
FIG. 5 is a schematic view of the back comb plate of FIG. 2 in engagement with the front and rear guide rails;
FIG. 6 is a left side view of the back comb plate of FIG. 5;
fig. 7 is a schematic view of the front rail and bolt of fig. 1 engaged.
Detailed Description
The embodiment of the telescopic device in the invention is shown in figures 1-7: the front telescopic component comprises a front telescopic component body 7 extending along the left-right direction, the front telescopic component body is of a reinforced concrete structure, a front side step groove 10 is formed in the rear end of the front telescopic component body, a front guide rail 13 extending along the left-right direction in the guiding direction is fixed on the bottom surface of the front side step groove 10 through a bolt 11, the front guide rail 13 is made of basalt fiber materials and has elasticity, the section of the front guide rail 13 is in a trapezoid shape with the upper part being large and the lower part being small, and a plurality of front comb plates 2 are assembled on the front guide rail in a guiding movement mode. The back flexible component is similar with preceding flexible component, the back flexible component includes the back flexible component base member 8 that extends along left right direction, back flexible component base member 8 is reinforced concrete structure, the front end of back flexible component base member is provided with rear side step groove, there is the back guide rail 9 that the direction extends along left right direction through the bolt fastening on the bottom surface in rear side step groove, back guide rail 9 is made by basalt fiber material and has elasticity, the cross sectional shape of back guide rail is big-end-up's trapezoidal, the direction removes on the back guide rail and is equipped with a plurality of back comb boards 5, preceding comb board includes preceding comb board body, back comb board includes back comb board body. The rear ends of the front comb plates are respectively clamped and fixed between two corresponding adjacent rear comb plates, the front ends of the rear comb plates are respectively clamped and fixed between two corresponding adjacent front comb plates, and the front comb plates and the rear comb plates are made of cast steel materials. The guide rail grooves 14 with large cavities and small mouths arranged at the bottoms of the front comb plate and the rear comb plate are matched with corresponding guide rails in a guiding and moving way, and the cross sections of the guide rail grooves are in a trapezoid shape with a large top and a small bottom. The right side of the rightmost rear comb plate is blocked by the blocking structure, and the left side of the leftmost front comb plate is provided with a pushing spring for applying pushing force to the front comb plate.
The front guide rail and the rear guide rail are provided with bolt through holes extending along the up-down direction, the guide rail is fixed on the corresponding telescopic component base body by penetrating bolts 11 on the bolt through holes and the corresponding telescopic component base body, in the embodiment, the top of each bolt is provided with a bolt straight groove 19, the top of each guide rail is provided with a straight guide rail rotation stopping groove 17 arranged corresponding to the bolt straight groove, in the embodiment, one guide rail rotation stopping groove 17 is arranged, after the bolts are screwed in place, the bolt straight groove at the top of each bolt corresponds to the guide rail straight groove at the top of each guide rail, the rotation stopping pins 18 are arranged in the bolt straight grooves and the guide rail straight grooves, the comb plates are in limit fit at the upper ends of the rotation stopping pins to limit the rotation stopping pins to be separated from the guide rail rotation stopping grooves and the upper sides of the bolt straight grooves, and the rotation stopping pins can limit the rotation of the bolts, so that the bolt loosening is prevented.
In this embodiment, the rear end of the front comb body of the front comb plate 2 is supported on the rear guide rail 9, and the front end of the rear comb body of the rear comb plate 5 is supported on the front guide rail 13, so that the front end of the front comb plate 2 is supported on the front guide rail 13, and the rear end of the front comb plate 2 is supported on the rear guide rail 13, thereby realizing two-end support; the rear end of back comb plate 5 is supported by back guide rail 9, the front end of back comb plate is supported by preceding guide rail 13, realize that real both ends are supported, in addition, preceding guide rail, the back guide rail all has elasticity, consequently, every comb plate has all formed the hinged beam structure, when receiving the vehicle impact, the both ends atress simultaneously around each comb plate, and by preceding guide rail respectively, the release is absorbed to the back guide rail, not only reduced the intensity demand to every comb plate, also reduced the intensity demand to each guide rail, this shock vibration also can not cause preceding telescopic member base member simultaneously, the cracked problem of hookup location of back telescopic member base member, the life of product has been guaranteed. Preceding comb plate body, back comb plate body, preceding comb plate gap keep off along, back comb plate gap keep off the top highly uniform on edge, avoid the vehicle when passing through, produce extra protrusion and strike.
In the invention, in order to solve the problem that impurities are easy to fall into a gap between two adjacent rear guide rails at the rear side of a front comb plate and impurities are easy to fall into a gap between two adjacent front guide rails at the front side of a rear comb plate in the prior art, the part of the rear end of a front comb plate body, which is used for extending into the gap between two adjacent rear comb plates, is a front comb plate telescopic section 16, the part of the front end of a rear comb plate body, which is used for extending into the gap between two adjacent front comb plates, is a rear comb plate telescopic section 12, the top of the front comb plate telescopic section 16 is provided with a front comb plate stepped groove 7, the top of the rear comb plate telescopic section 12 is provided with a rear comb plate stepped groove 4, the top of the front end of the front comb plate body is outwards turned towards the left to shield a front comb plate gap blocking edge 3 at the upper side of the rear comb plate stepped groove, and the top of the rear end of the rear comb plate body is outwards turned towards the right to shield a rear comb plate gap blocking edge 6 at the upper side of the front comb plate stepped groove. Like this, when comb plate behind the preceding comb plate mutually supported, preceding comb plate flexible section 16 was located back comb plate gap and keeps off the downside along 6, and back comb plate flexible section 12 is for keeping off the downside along 3 in preceding comb plate gap, keeps off through preceding comb plate gap and keeps off along sheltering from corresponding comb plate gap, avoids debris to fall into, guarantees can be normal flexible between the flexible component. For two adjacent front comb plates of the front telescopic component, the left side surface of the front comb plate gap blocking edge on the front comb plate positioned at the right side is in contact fit with the right side surface of the front comb plate positioned at the left side. For two adjacent rear comb plates of the rear telescopic component, the right side surface of a rear comb plate gap blocking edge on the rear comb plate positioned close to the left is in contact fit with the left side surface of the rear comb plate positioned close to the right.
In other embodiments of the invention: the front guide rail and the rear guide rail can also be made of other elastic materials such as rubber, rubber composite materials and the like, and the rubber composite materials refer to rubber supports compounded by rubber and metal steel plates; the front guide rail and the rear guide rail can be made of cast steel materials without elasticity; the cross section of the guide rail groove can also be in an omega shape; the front telescopic member matrix and the rear telescopic member matrix can also be made of metal materials, and the front telescopic member matrix and the rear telescopic member matrix need to be connected with concrete of a roadbed at the moment, so that the invention can prevent the concrete of the roadbed from being cracked due to impact; the guide rail rotation stopping grooves at the tops of the guide rails can be multiple, the guide rail rotation stopping grooves are intersected to form a certain angle, after the bolts are screwed down, which guide rail rotation stopping groove corresponds to the bolt linear groove at the top of the bolt, and a rotation stopping pin is placed in the corresponding guide rail rotation stopping groove and the bolt linear groove; the front comb plate and the rear comb plate can also be made of basalt fiber materials; the left side and the right side of the front comb plate body can be provided with the front comb plate gap blocking edges, and at the moment, the sum of the widths of the front comb plate gap blocking edges on the adjacent sides of the two adjacent front comb plate bodies is consistent with the width between the two adjacent front comb plate bodies; the right side surface of the gap blocking edge of the rear comb plate on the left rear comb plate and the left side surface of the rear comb plate on the right rear comb plate do not need to be in contact with each other, and the gap is a certain gap, for example, the width of the gap is 1-3 mm.
Examples of the telescopic member are shown in fig. 1 to 7: the specific structure of the telescopic member is the same as the front telescopic member described in the above embodiments of the telescopic device, and will not be described in detail here.
Examples of basalt fiber comb plates are shown in fig. 1 to 7: the specific structure of the comb plate is the same as the front comb plate in the above-mentioned embodiments of the telescopic device, and the detailed description is omitted here.
Claims (4)
1. The telescoping device comprises a front telescoping component and a rear telescoping component, wherein the front telescoping component comprises a front telescoping component base body, a front guide rail is arranged on the front telescoping component base body, the guide direction of the front telescoping component base body extends along the left-right direction, a plurality of front comb plates are assembled on the front guide rail in a guiding movement manner, the rear telescoping component comprises a rear telescoping component base body, a rear guide rail is arranged on the rear telescoping component base body, the guide direction of the rear guide rail extends along the left-right direction, a plurality of rear comb plates are assembled on the rear guide rail in a guiding movement manner, each front comb plate comprises a front comb plate body, each rear comb plate comprises a rear comb plate body, the front end of each front comb plate body and the rear end of each rear comb plate body are provided with guide structures which are matched with the corresponding guide rail in a guiding movement manner along the left-right direction, the rear end of each front comb plate body is used for extending into a front comb plate telescoping section between two corresponding adjacent rear comb plates, the front end of each rear comb plate body is used for extending into a rear comb plate telescoping section between two corresponding front comb plates, the method is characterized in that: the top of the front comb plate telescopic section is provided with a front side step groove, the top of the rear comb plate telescopic section is provided with a rear side step groove, the top of the front end of the front comb plate body is outwards turned towards the left and/or the right and is provided with a front comb plate gap blocking edge used for blocking the upper side of the corresponding rear side step groove, the top of the front end of the rear comb plate body is outwards turned towards the left and/or the right and is provided with a rear comb plate gap blocking edge used for blocking the upper side of the corresponding front side step groove, the bottom of the front comb plate is higher than the bottom of the front side step groove, the bottom of the rear comb plate is higher than the bottom of the rear side step groove, the front end of the front comb plate is supported on the front guide rail, the rear end of the front comb plate is supported on the rear guide rail, the rear end of the rear comb plate is supported on the rear guide rail, the front end of the rear comb plate is supported on the front guide rail, and the front guide rail and the rear guide rail are made of basalt fiber materials, rubber or rubber composite materials.
2. The telescopic device according to claim 1, wherein: the guide structure is a guide rail groove arranged at the bottom of the comb plate body, and the guide rail groove is of a big belly groove structure with a big cavity and a small mouth.
3. The telescopic device according to claim 1, wherein: the front comb plate gap blocking edge is positioned on the left side of the front comb plate body, and the left side surface of the front comb plate gap blocking edge on the front comb plate body positioned on the right side in two adjacent front comb plates is in contact fit with the right side surface of the front comb plate body positioned on the left side; the rear comb plate gap blocking edge is positioned on the right side of the rear comb plate body, and in two adjacent rear comb plates, the right side surface of the rear comb plate gap blocking edge on the rear comb plate body close to the left is in contact fit with the left side surface of the rear comb plate body close to the right.
4. A telescopic device according to any of claims 1 to 3, characterized in that: the top height of the front comb plate body, the rear comb plate body, the front comb plate gap blocking edge and the rear comb plate gap blocking edge is consistent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010133141.6A CN111335156B (en) | 2020-03-01 | 2020-03-01 | Basalt fiber comb plate, and telescopic component and telescopic device using comb plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010133141.6A CN111335156B (en) | 2020-03-01 | 2020-03-01 | Basalt fiber comb plate, and telescopic component and telescopic device using comb plate |
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| Publication Number | Publication Date |
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| CN111335156A CN111335156A (en) | 2020-06-26 |
| CN111335156B true CN111335156B (en) | 2022-03-15 |
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| CN202010133141.6A Active CN111335156B (en) | 2020-03-01 | 2020-03-01 | Basalt fiber comb plate, and telescopic component and telescopic device using comb plate |
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| Title |
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| 桥梁伸缩缝短切玄武岩纤维混凝土与素混凝土性能研究;张宏武;《山西交通科技》;20190415(第02期);第46-48页 * |
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| CN111335156A (en) | 2020-06-26 |
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