CN213836282U

CN213836282U - Harmless modulus formula telescoping device that changes

Info

Publication number: CN213836282U
Application number: CN202021605754.7U
Authority: CN
Inventors: 田勇
Original assignee: Jiangsu Bulang New Material Technology Co Ltd
Current assignee: Jiangsu Bulang New Material Technology Co Ltd
Priority date: 2020-08-05
Filing date: 2020-08-05
Publication date: 2021-07-30
Anticipated expiration: 2030-08-05

Abstract

The utility model discloses a harmless mode number formula telescoping device that changes, including the bridge main part, the terminal surface of bridge main part is equipped with the mount table, installs a plurality of supporting shoes on the mount table, supporting shoe top installation apron, joint crossbeam between the mount table, solid fixed ring is cup jointed at the both ends of crossbeam, gu fixed ring's top all welds the boundary beam, the boundary beam connection cover board, the activity ring is cup jointed at the middle part of crossbeam, roof beam in the top welding of activity ring, the joint sealing strip between the lateral wall of middle beam and boundary beam, installation elastic component between the activity ring outer wall. Apron one side laminating bridge main body, one side compresses tightly the picture peg for boundary beam and bridge main body synchronous motion realize the quick fixed of telescoping device, convenient to use pulls down the apron bolt and can change the overall pull-out mount table of telescoping device, avoids haring bridge main body, and elastic component carries out the auxiliary stay to well roof beam, reduces the impact that well roof beam received, improves well roof beam life.

Description

Harmless modulus formula telescoping device that changes

Technical Field

The utility model relates to a bridge technical field specifically is a harmless mode number formula telescoping device that changes.

Background

Highway bridge often forms the mount table at bridge terminal surface preformed groove when pouring bridge floor slab reinforced concrete, it is fixed through concrete placement through installation telescoping device in the mount table, thereby expand and contract the displacement when shrinking to the bridge expend with heat and contract with cold through the telescoping device, however, the bearing capacity of telescoping device can reduce after using a period, consequently need change it after the telescoping device reaches life, all need change the telescoping device again with the concrete polarity breakage when changing at present, damage the bridge main part easily during the broken concrete, for this reason we propose a harmless more module formula telescoping device and be used for solving above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a harmless change module formula telescoping device to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a harmless change modulus formula telescoping device, includes the bridge main part, the terminal surface bottom integrated into one piece of bridge main part is equipped with the mount table, a plurality of supporting shoes of top fixed mounting of mount table, the supporting shoe top is passed through countersunk bolt installation apron, and is adjacent joint crossbeam between the mount table of bridge main part, the both ends of crossbeam are slided and are cup jointed solid fixed ring, gu fixed ring's the equal fixed joint boundary beam in top, two the apron in the adjacent bridge main part of boundary beam difference fixed connection, the middle part of crossbeam is slided and is cup jointed the loose collar, the top fixed welding center sill of loose collar, fixed joint sealing strip, two between the lateral wall of center sill and boundary sill gu install elastic component between solid fixed ring on the crossbeam and the loose collar outer wall.

Preferably, the apron is T type structure, the tip of apron closely laminates the top surface one end of supporting shoe and passes through the countersunk head bolt fastening, the ladder groove that has laminating apron one side top is opened at the terminal surface top of bridge main part, the lateral wall bottom fixed welding picture peg of boundary beam, picture peg sliding clamping is between apron opposite side roof and supporting block, and the roof both sides of apron are respectively through countersunk head bolt connection bridge main part and picture peg.

Preferably, equal fixed mounting has two rows of guide rolls on the mount table at crossbeam both ends, the both ends outer wall of guide roll inseparable laminating crossbeam, well roof beam is "worker" style of calligraphy structure, the sealing strip is elasticity stainless steel V type structure, and the equal integrated into one piece in both ends of sealing strip is equipped with the cylinder card strip, and the lateral wall of adjacent boundary beam of cylinder card strip joint and well roof beam.

Preferably, the elastic component includes fixed block and connecting plate, the equal fixed mounting fixed block of lateral wall of activity ring, be equipped with the connecting plate on the fixed block, the spliced pole is all cup jointed to the fixed block bottom, the spliced pole runs through the fixed block and connects the connecting plate through helicitic texture, two the top of connecting plate is the both ends of fixed welding leaf spring respectively, two uide bushings of the equal fixed connection of lateral wall that the connecting plate is close to mutually, the one end of slide bar is cup jointed all to slide in the uide bushing, the both sides outer wall of the other end fixed connection intermediate lamella of slide bar, the extrusion bolt is cup jointed through helicitic texture in the middle part of the intermediate lamella.

Preferably, the sum of the lengths of the guide sleeve and the sliding rod is greater than the arc length of the plate spring, the top of the extrusion bolt is of a spherical structure, and the top of the extrusion bolt is located right below the middle of the plate spring.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the two ends of the cross beam are guided and positioned through the guide rollers, the telescopic device is convenient to mount on the mounting table, one side of the T-shaped top plate of the cover plate is attached to the bridge main body, and the inserting plate is pressed on one side of the T-shaped top plate, so that the side beam and the bridge main body move synchronously, the telescopic device is quickly fixed and convenient to use, the cover plate is detached, the telescopic device can be integrally pulled out of the mounting table for replacement, and the bridge main body is prevented from being damaged;

2. the middle part of the middle beam is supported by the elastically bent plate spring, when the middle part of the middle beam is pressed, the pressure is transmitted to the middle part of the plate spring, and the plate spring with the arc-shaped structure is used for dispersing the pressure to the side wall of the cross beam, so that the auxiliary supporting effect is achieved, the middle beam is prevented from being pressed and bent, and the service life is prolonged;

3. rotate the extrusion bolt, then the extrusion bolt moves up and promotes the leaf spring for leaf spring and intermediate lamella interval increase, thereby make the leaf spring crooked, slide bar and uide bushing slide this moment, make connecting plate and intermediate lamella interval reduce, thereby be convenient for insert the movable ring with elastic component, be convenient for install.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of a cross-beam front view cross-section structure of the present invention;

fig. 3 is a schematic view of the main left-side sectional structure of the elastic component of the present invention.

In the figure: 1. an installation table; 2. a support block; 3. a cover plate; 4. a cross beam; 5. a fixing ring; 6. a boundary beam; 7. a movable ring; 8. a middle beam; 9. an elastic component; 91. a connecting plate; 92. a guide sleeve; 93. a slide bar; 94. a plate spring; 95. extruding the bolt; 96. a middle plate; 97. a fixed block; 98. connecting columns; 10. sealing tape; 11. a guide roller; 12. a stepped groove; 13. inserting plates; 14. bridge main part.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a harmless change modulus formula telescoping device, including bridge main body 14, bridge main body 14's terminal surface bottom integrated into one piece is equipped with mount table 1, a plurality of supporting shoes 2 of top fixed mounting of mount table 1, countersunk head bolt installation apron 3 is passed through at 2 tops of supporting shoe, joint crossbeam 4 between 1 of mount table of adjacent bridge main body 14, solid fixed ring 5 is cup jointed in the both ends slip of crossbeam 4, gu fixed ring 5's the equal fixed welding boundary beam in top 6, two boundary beam 6 are the apron 3 on the adjacent bridge main body 14 of fixed connection respectively, the middle part slip of crossbeam 4 cup joints loose ring 7, the top fixed welding centre sill 8 of loose ring 7, fixed joint sealing strip 10 between the lateral wall of centre sill 8 and boundary beam 6, gu fixed ring 5 on two crossbeams 4 and installation elastic component 9 between the loose ring 7 outer wall. Crossbeam 4 joint is between 2 at the supporting shoe at 1 both ends of mount table,

apron

3 and 2 bolted connections of supporting shoe, thereby it is fixed with boundary beam 6, then it removes to drive boundary beam 6 through apron 3 during the bridge expend with heat and contract with cold, boundary beam 6 slides along crossbeam 4 through solid fixed ring 5, sealing strip 10 between boundary beam 6 and well roof beam 8 carries out flexible sealing, and drive well roof beam 8 simultaneously and remove, well roof beam 8 passes through loose ring 7 and removes along crossbeam 4, thereby it is flexible to realize, and in the practicality, elastic component 9 carries out the auxiliary stay to well roof beam 8, reduce the impact that well roof beam 8 received, improve well roof beam 8 life, during the change, pull down apron 3 and can pull out mount table 1 with the telescoping device is whole, avoid damaging bridge main part 14.

Apron 3 is T type structure, the tip of apron 3 closely laminates the top surface one end of supporting shoe 2 and passes through the countersunk head bolt fastening, open the terminal surface top of bridge main body 14 has the ladder groove 12 at 3 one side tops of laminating apron, the fixed welding picture peg 13 in lateral wall bottom of boundary beam 6, picture peg 13 slip joint is between 3 opposite side roofs of apron and supporting shoe 2, and the roof both sides of apron 3 are respectively through countersunk head bolt fastening bridge main body 14 and picture peg 13, then T type roof one side laminating bridge main body 14 of apron 3, one side compresses tightly picture peg 13, thereby make

boundary beam

6 and 14 synchronous motion of bridge main body, be convenient for flexible, and connect closely, make the bridge floor level and smooth.

Equal fixed mounting has two rows of guide rolls 11 on the mount table 1 at 4 both ends of crossbeam, guide roll 11 closely laminates the both ends outer wall of crossbeam 4, crossbeam 4 supports well roof beam 8, when flexible, crossbeam 4 passes through guide roll 11 direction slip, the telescoping device location of being convenient for, well roof beam 8 is "worker" style of calligraphy structure, sealing strip 10 is elastic stainless steel V type structure, and the equal integrated into one piece in both ends of sealing strip 10 is equipped with the cylinder card strip, the adjacent boundary beam 6 of cylinder card strip joint and well roof beam 8's lateral wall, sealing strip 10 stretches out and draws back through V type structure, be convenient for seal up the seam clearance between boundary beam 6 and well roof beam 8.

The elastic component 9 comprises a fixed block 97 and a connecting plate 91, the fixed block 97 is fixedly installed on the side wall of the movable ring 7, the connecting plate 91 is arranged on the fixed block 97, the bottom of the fixed block 97 is sleeved with a connecting post 98, the connecting post 98 penetrates through the fixed block 97 and is connected with the connecting plate 91 through a threaded structure, the two ends of a plate spring 94 are fixedly welded at the tops of the two connecting plates 91 respectively, the side wall close to the connecting plate 91 is fixedly connected with two guide sleeves 92, one end of a sliding rod 93 is sleeved in each guide sleeve 92 in a sliding manner, the other end of the sliding rod 93 is fixedly connected with the outer walls of the two sides of a middle plate 96, an extrusion bolt 95 is sleeved in the middle of the middle plate 96 through a threaded structure, when the elastic component 9 is installed, the extrusion bolt 95 is rotated, the extrusion bolt 95 moves upwards to push the plate spring 94, the distance between the plate spring 94 and the middle plate 96 is increased, the plate spring 94 is bent, at the moment, the sliding rod 93 and the guide sleeves 92 slide, the distance between the connecting plate 91 and the middle plate 96 is reduced, thereby be convenient for insert between the loose ring 7 with elastic component 9, connecting plate 91 laminating fixed block 97, and through spliced pole 98 bolt fixed block 97 and connecting plate 91, thereby make well roof beam 8 of leaf spring 94 inseparable laminating, then unscrew extrusion bolt 95 and break away from leaf spring 94, realize elastic component 9's quick installation, leaf spring 94 through elastic bending supports well roof beam 8 middle part, when well roof beam 8 middle part pressurized, pressure transmission to leaf spring 94 middle part, leaf spring 94 through the arc structure disperses pressure to crossbeam 4 lateral wall, reach the auxiliary stay effect, avoid well roof beam 8 pressurized bending, and the service life is prolonged.

The sum of the lengths of the guide sleeve 92 and the slide rod 93 is greater than the arc length of the plate spring 94, the slide rod 93 is ensured to be sleeved in the guide sleeve 92, the distance between the connecting plate 91 and the middle plate 96 is adjusted when the plate spring 94 is bent conveniently, the top of the extrusion bolt 95 is of a spherical structure, and the top of the extrusion bolt 95 is located right below the middle of the plate spring 94, so that the plate spring 94 is bent conveniently.

The working principle is as follows: when the utility model is used, the extrusion bolt 95 is rotated, the extrusion bolt 95 moves upwards to push the plate spring 94, the distance between the plate spring 94 and the middle plate 96 is increased, thereby the plate spring 94 is bent, at the moment, the slide rod 93 and the guide sleeve 92 slide, the distance between the connecting plate 91 and the middle plate 96 is reduced, thereby the elastic component 9 is conveniently inserted into the movable ring 7, the connecting plate 91 is attached to the fixed block 97, the fixed block 97 and the connecting plate 91 are bolted through the connecting post 98, thereby the plate spring 94 is closely attached to the middle beam 8, then the extrusion bolt 95 is unscrewed to be separated from the plate spring 94, the quick installation of the elastic component 9 is realized, the crossbeam 4 is clamped into the mounting table 1 along the guide roller 11, the T-shaped top plate side of the cover plate 3 is attached to the bridge main body 14, the inserting plate 13 is pressed on one side, thereby the edge beam 6 and the bridge main body 14 synchronously move, when the bridge main body 14 expands with heat and contracts with cold, the edge beam 6 slides along the crossbeam 4 through the fixing ring 5, sealing strip 10 stretches out and draws back through V type structure this moment, be convenient for seal the seam between boundary beam 6 and well roof beam 8, and remove through driving well roof beam 8, well roof beam 8 slides along crossbeam 4 through loose ring 7, realize flexible, the leaf spring 94 through elastic bending supports well roof beam 8 middle part, during well roof beam 8 middle part pressurized, pressure transmission to leaf spring 94 middle part, leaf spring 94 through the arc structure disperses pressure to crossbeam 4 lateral wall, reach the auxiliary stay effect, avoid well roof beam 8 pressurized bending, and the service life is prolonged, when the telescoping device needs to be changed, pull down apron 3 and can pull out the mount table 1 with the telescoping device is whole and change, avoid haring bridge main part 14.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A lossless replacement modulus type telescopic device comprises a bridge main body (14), and is characterized in that: the bottom of the end surface of the bridge main body (14) is integrally provided with a mounting platform (1), a plurality of supporting blocks (2) are fixedly installed at the top of the installation table (1), the top of each supporting block (2) is provided with a cover plate (3) through a countersunk head bolt, a cross beam (4) is clamped between the installation tables (1) adjacent to the bridge main body (14), the two ends of the cross beam (4) are slidably sleeved with fixing rings (5), the tops of the fixing rings (5) are fixedly welded with edge beams (6), the two edge beams (6) are respectively and fixedly connected with cover plates (3) on adjacent bridge main bodies (14), a movable ring (7) is sleeved in the middle of the cross beam (4) in a sliding manner, a middle beam (8) is fixedly welded at the top of the movable ring (7), fixed joint sealing area (10) between the lateral wall of well roof beam (8) and boundary beam (6), two install elastic component (9) between solid fixed ring (5) on crossbeam (4) and activity ring (7) outer wall.

2. A modular telescopic device for nondestructive replacement according to claim 1, wherein: apron (3) are T type structure, the top surface one end of the tip of apron (3) laminating supporting shoe (2) closely is fixed through the countersunk head bolt, open at the terminal surface top of bridge main part (14) has ladder groove (12) at laminating apron (3) one side top, the lateral wall bottom fixed welding picture peg (13) of boundary beam (6), picture peg (13) slip joint is between apron (3) opposite side roof and supporting shoe (2), and the roof both sides of apron (3) are respectively through countersunk head bolt connection bridge main part (14) and picture peg (13).

3. A modular telescopic device for nondestructive replacement according to claim 1, wherein: equal fixed mounting has two rows of guide rolls (11) on mount table (1) at crossbeam (4) both ends, the both ends outer wall of crossbeam (4) is closely laminated in guide roll (11), well roof beam (8) are "worker" style of calligraphy structure, sealing strip (10) are elasticity stainless steel V type structure, and the equal integrated into one piece in both ends of sealing strip (10) is equipped with the cylinder card strip, the lateral wall of adjacent boundary beam (6) of cylinder card strip joint and well roof beam (8).

4. A modular telescopic device for nondestructive replacement according to claim 1, wherein: elastic component (9) are including fixed block (97) and connecting plate (91), the equal fixed mounting fixed block (97) of lateral wall of activity ring (7), be equipped with connecting plate (91) on fixed block (97), spliced pole (98) are all cup jointed to fixed block (97) bottom, spliced pole (98) run through fixed block (97) and connect connecting plate (91), two fixed welding leaf spring (94)'s both ends respectively at the top of connecting plate (91), two uide bushings (92) of the equal fixed connection of lateral wall that connecting plate (91) are close to mutually, equal sliding sleeve cup joints the one end of slide bar (93) in uide bushing (92), the both sides outer wall of the other end fixed connection intermediate plate (96) of slide bar (93), intermediate plate (96) middle part cup joints extrusion bolt (95) through the helicitic texture.

5. A modular telescopic device for nondestructive replacement according to claim 4, wherein: the sum of the lengths of the guide sleeve (92) and the sliding rod (93) is greater than the arc length of the plate spring (94), the top of the extrusion bolt (95) is of a spherical structure, and the top of the extrusion bolt (95) is located right below the middle of the plate spring (94).