CN111236062A - Basalt fiber comb plate type telescopic device - Google Patents
Basalt fiber comb plate type telescopic device Download PDFInfo
- Publication number
- CN111236062A CN111236062A CN202010133142.0A CN202010133142A CN111236062A CN 111236062 A CN111236062 A CN 111236062A CN 202010133142 A CN202010133142 A CN 202010133142A CN 111236062 A CN111236062 A CN 111236062A
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- comb plate
- guide rail
- comb
- telescopic
- groove
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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)
Abstract
The invention relates to a basalt fiber comb plate type telescopic device which comprises a front telescopic component and a rear telescopic component, wherein the front telescopic component comprises a front telescopic component base body, the rear telescopic component comprises a rear telescopic component base body, a front guide rail extending along the left-right direction in the guiding direction is fixed on the bottom surface of a front side step groove, a rear guide rail extending along the left-right direction in the guiding direction is fixed on the bottom surface of a rear side step groove, a plurality of front comb plates are assembled on the upper side of the front guide rail in a guiding movement manner, a plurality of rear comb plates are assembled on the upper side of the rear guide rail in a guiding movement manner, the rear end of each front comb plate is a front comb plate telescopic section clamped between two corresponding adjacent rear comb plates, the front end of each rear comb plate is a rear comb plate telescopic section clamped between two corresponding adjacent front comb plates, the bottom of each front comb plate telescopic section is supported on the rear guide rail, and the bottom of each rear comb plate telescopic section is supported on the front guide rail. The invention solves the technical problem that the supporting force at one end of the comb plate is insufficient due to the fact that the supporting force is provided by friction force in the prior art.
Description
Technical Field
The invention relates to a basalt fiber comb plate type telescopic device in the field of bridge construction.
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-teeth 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 extending in a left-right direction, the rear expansion member includes a rear expansion member base body extending in a left-right direction, the front expansion member base body is provided with a front guide rail extending in a left-right direction, the rear expansion member base body is provided with a rear guide rail extending in a left-right direction, the front guide rail is provided with a plurality of front comb teeth, the rear guide rail is provided with a plurality of rear comb teeth, the comb-teeth expansion device further includes an elastic pushing mechanism and a blocking mechanism respectively disposed at left and right sides of each comb tooth, the elastic pushing mechanism applies a force in a 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 existing basalt fiber comb plate type telescopic device has the problems that: the comb teeth and the corresponding telescopic component base bodies are in rigid connection, when the comb teeth are impacted, impact force is directly reflected to the connecting positions of the comb teeth and the telescopic component base bodies, the telescopic component base bodies are generally in a reinforced concrete structure, and the impact force is easy to cause the crushing of the telescopic component base bodies, so that the service life of the telescopic device is short; although the rear ends of the front comb teeth are clamped between the corresponding adjacent rear comb teeth to form a certain supporting force, the supporting force is a contact friction force, the force value is very limited, and the impact of a vehicle cannot be borne at all; 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 basalt fiber comb plate type telescopic device to solve the technical problem that supporting force at one end of a comb plate is insufficient due to the fact that the supporting force is provided by friction in the prior art.
In order to solve the technical problems, the technical scheme of the invention is as follows:
the utility model provides a basalt fiber comb plate formula telescoping device, including preceding flexible component and back flexible component, preceding flexible component includes that the rear end is provided with the preceding flexible component base member in front side step groove, back flexible component includes that the front end is provided with the back flexible component base member in back side step groove, be fixed with the front rail that the direction extends along left and right directions on the bottom surface in front side step groove, be fixed with the back guide rail that the direction extends along left and right directions on the bottom surface in back side step groove, the upside guide movement of front rail is equipped with a plurality of preceding comb plates, the upside guide movement of back guide rail is equipped with a plurality of back comb plates, the rear end of preceding comb plate is for pressing from both sides the flexible section of preceding comb plate of locating between two adjacent back comb plates correspondingly, the front end of back comb plate is for pressing from both sides the flexible section of back comb plate of locating between two adjacent preceding comb plates, the bottom of preceding comb plate flexible section is supported on the back guide rail, the bottom of back comb plate flexible section is supported on the front rail.
The front comb plate and the rear comb plate are matched with the corresponding guide rails in a guiding and moving way through guide rail grooves with large cavities and small openings arranged at the bottoms of the front comb plate and the rear comb plate.
The front guide rail and the rear guide rail are provided with bolt through holes extending along the up-down direction, bolts for fixing the guide rail and the corresponding telescopic component base body penetrate through the bolt through holes, the top of each bolt is provided with a bolt linear groove, the top of each guide rail is provided with a guide rail rotation stopping groove corresponding to the spiral linear groove, rotation stopping pins are placed in the bolt linear groove and the guide rail rotation stopping groove, and the comb plate and the upper end of each rotation stopping pin are in limit fit to limit the rotation stopping pins to be separated from the upper sides of the bolt linear groove and the guide rail rotation stopping groove.
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 is outwards turned towards the left side to be used for shielding a front comb plate gap blocking edge on the upper side of the rear comb plate step groove, and the top of the rear end of the rear comb plate is outwards turned towards the right side to be used for shielding a rear comb plate gap blocking edge on the upper side of the front comb plate step groove.
The invention has the beneficial effects that: in the invention, the bottom of the front end of the front comb plate is supported on the front guide rail, the bottom of the rear end of the front comb plate is supported on the rear guide rail, the bottom of the rear end of the rear comb plate is supported on the rear guide rail, and the bottom of the front end of the rear comb plate is supported on the front guide rail, so that the two ends of each comb plate are supported in the true sense, and when the comb plate is impacted by a vehicle, the two ends of the comb plate bear the impact force of the vehicle together, thereby being beneficial to improving the impact resistance of the comb plate and prolonging the service life of the comb plate.
Drawings
FIG. 1 is a schematic structural view of one embodiment of a basalt fiber comb plate type telescopic device in 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 basalt fiber comb plate type telescopic device 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 rear telescopic member is similar to the front telescopic member, the rear telescopic member comprises a rear telescopic member base body 8 extending along the left-right direction, the rear telescopic member base body 8 is of a reinforced concrete structure, a rear side step groove is formed in the front end of the rear telescopic member base body, a rear guide rail 9 extending along the left-right direction in the guiding direction is fixed on the bottom surface of the rear side step groove through bolts, the rear guide rail 9 is made of basalt fiber materials and has elasticity, the cross section of the rear guide rail is in a trapezoid shape with the upper part being large and the lower part being small, and a plurality of rear comb plates 5 are assembled on the rear guide rail in a guiding movement mode. 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 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 the front comb plate, 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 the rear comb plate, 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 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 is outwards turned towards the right to shield a rear plate gap blocking edge 6. 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. The top height of the front comb plate, the rear comb plate, the front comb plate gap blocking edge and the rear comb plate gap blocking edge is consistent, and extra protrusion impact is avoided when a vehicle passes through.
The bottom of the front comb plate telescopic section 16 is supported on the rear guide rail 9, the bottom of the rear comb plate telescopic section 12 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 the support of two ends; 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.
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.
Claims (4)
1. The utility model provides a basalt fiber comb plate formula telescoping device, includes preceding telescopic component and back telescopic component, preceding telescopic component includes that the rear end is provided with the preceding telescopic component base member in front side step groove, and back telescopic component includes that the front end is provided with the back telescopic component base member in back side step groove, its characterized in that: the bottom surface of the front side step groove is fixedly provided with a front guide rail, the guide direction of which extends along the left-right direction, the bottom surface of the rear side step groove is fixedly provided with a rear guide rail, the guide direction of which extends along the left-right direction, the upside guide movement of the front guide rail is provided with a plurality of front comb plates, the upside guide movement of the rear guide rail is provided with a plurality of rear comb plates, the rear end of each front comb plate is a front comb plate telescopic section which is arranged between two corresponding adjacent rear comb plates in a clamping manner, the front end of each rear comb plate is a rear comb plate telescopic section which is arranged between two corresponding adjacent front comb plates in a clamping manner, the bottom of each front comb plate telescopic section is supported on the rear guide rail, and the bottom of each rear comb plate telescopic section is supported on the.
2. The basalt fiber comb plate type telescopic device according to claim 1, wherein: the front comb plate and the rear comb plate are matched with the corresponding guide rails in a guiding and moving way through guide rail grooves with large cavities and small openings arranged at the bottoms of the front comb plate and the rear comb plate.
3. The basalt fiber comb plate type telescopic device according to claim 1, wherein: the front guide rail and the rear guide rail are provided with bolt through holes extending along the up-down direction, bolts for fixing the guide rail and the corresponding telescopic component base body penetrate through the bolt through holes, the top of each bolt is provided with a bolt linear groove, the top of each guide rail is provided with a guide rail rotation stopping groove corresponding to the spiral linear groove, rotation stopping pins are placed in the bolt linear groove and the guide rail rotation stopping groove, and the comb plate and the upper end of each rotation stopping pin are in limit fit to limit the rotation stopping pins to be separated from the upper sides of the bolt linear groove and the guide rail rotation stopping groove.
4. The basalt fiber comb plate type telescopic device according to any one of claims 1 to 3, wherein: 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 is outwards turned towards the left side to be used for shielding a front comb plate gap blocking edge on the upper side of the rear comb plate step groove, and the top of the rear end of the rear comb plate is outwards turned towards the right side to be used for shielding a rear comb plate gap blocking edge on the upper side of the front comb plate step groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010133142.0A CN111236062B (en) | 2020-03-01 | 2020-03-01 | Basalt fiber comb plate type telescopic device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010133142.0A CN111236062B (en) | 2020-03-01 | 2020-03-01 | Basalt fiber comb plate type telescopic device |
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| CN111236062A true CN111236062A (en) | 2020-06-05 |
| CN111236062B CN111236062B (en) | 2022-03-15 |
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| CN202010133142.0A Active CN111236062B (en) | 2020-03-01 | 2020-03-01 | Basalt fiber comb plate type telescopic device |
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| CN111236062B (en) | 2022-03-15 |
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