CN210238278U

CN210238278U - Comb plate expansion device with anti-overturning moment

Info

Publication number: CN210238278U
Application number: CN201921080672.2U
Authority: CN
Inventors: Dacheng Wu; 伍大成; Junwei Ma; 马军伟; Xiong Li; 李雄; Jianming Wang; 王剑明
Original assignee: Chengdu Jitong Road And Bridge Technology Co ltd
Current assignee: Jitong Intelligent Equipment Co ltd
Priority date: 2019-07-11
Filing date: 2019-07-11
Publication date: 2020-04-03
Anticipated expiration: 2029-07-11

Abstract

The utility model discloses a fishback telescoping device with antidumping moment, including the fishback of taking the floor that sets up in pairs and the anti-overturning device that the fishback below set up, the fishback sets up a plurality of comb shape teeth along length direction, forms the tooth's socket between two comb shape teeth, and comb shape tooth and tooth's socket are mutually supported, and the floor is connected and is parallel to each other with the fishback bottom surface, the anti-overturning device is including arranging the base of roof beam seam both sides in, and the flexible case that the roof beam seam end is connected is kept away from to the base, the vehicle direction of following on the base is equipped with the through-hole, be equipped with the reinforcing shaft in the flexible case, the reinforcing shaft passes the through-hole and strides two bases of seam connection. Remedy current fishback telescoping device and do not have the device of preventing toppling, prevent that the risk that the roof beam body breaks off, topples from taking place, prevents that both ends roof beam body from taking place lateral sliding's risk.

Description

Comb plate expansion device with anti-overturning moment

Technical Field

The utility model relates to a bridge telescoping device technical field, concretely relates to fishback telescoping device with antidumping moment.

Background

At present, with higher living standard of people, more and more developed economy, more and more vehicles, more and more crowded road traffic and more larger pressure born by the overpass, the collapse of the overpass can bring huge loss to people, especially for sections of ramp bridges, curved bridges and the like with convex eccentric loads, the main reason for the collapse of the two bridges is that the centers of expansion joints are two ends of a beam body, the expansion joints divide a continuous bridge deck into two parts, so that the bridge deck fracture is caused by the sliding of the expansion joints, the collapse of the two bridges is caused, the bridge deck is continuous at the place without the expansion joints, and the phenomenon of side slipping of the bridge deck cannot occur. The comb-shaped expansion joint in the prior art is simple in structure, and even though the vehicle has better stability, does not have the overturn prevention function and the side slip prevention function, the bridge is easy to break and collapse.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a fishback telescoping device with antidumping moment for solve and prevent that the bridge from toppling, sideslipping, cause the cracked risk of bridge.

In order to solve the technical problem, the utility model discloses a following scheme:

the utility model provides a fishback telescoping device with antidumping moment, includes the fishback of the area floor that sets up in pairs and the anti-overturning device that the fishback below set up, the fishback sets up a plurality of comb shape teeth along length direction, forms the tooth's socket between two comb shape teeth, and comb shape tooth and tooth's socket mutually support, and the floor is connected and is parallel to each other with the fishback bottom surface, anti-overturning device keeps away from the flexible case that the roof beam seam end is connected including arranging the base of roof beam seam both sides in, base, the driving direction is equipped with the through-hole along on the base, be equipped with the reinforcing shaft in the flexible case, the reinforcing shaft passes the through-hole and strides two bases of seam connection.

By adopting the technical scheme, the two comb plates are arranged on two sides of the beam seam in parallel and are level to the road surface, the rib plates are welded on the bottom surface of the comb plate and are vertical to the comb plate, the two rib plates are arranged on two sides of the beam seam in parallel, the rib plates enhance the vertical load capacity of the expansion device, the comb plate is provided with a plurality of comb-shaped teeth along the length direction, tooth spaces are formed between any two adjacent comb-shaped teeth, the comb-shaped teeth of one comb plate can be inserted into the tooth spaces of the other comb plate to be matched with each other, the joint of the comb-shaped teeth and the tooth spaces is positioned at the central position of the beam seam, the longitudinal displacement change of the bridge can be well limited by the matching of the comb-shaped teeth and the tooth spaces, the stability of the vehicle when passing can be ensured, the base of the overturn preventing device is arranged at the beam ends on two sides of the beam seam, the base is provided with the through hole along the traveling direction, the, pass the through-hole and stride the seam and connect two bases, prevent the device that topples like this and connect two sections roof beam bodies originally that are partd by the expansion joint as an organic whole, can not cause the fracture of roof beam body because of the deformation of telescoping device after, also be difficult for arousing sideslip of both ends roof beam body, fully guaranteed the security and the stability of both ends roof beam body, remedied current comb shape tooth telescoping device's defect, existing telescoping device guarantees the stationarity of road surface vehicle, has the device that prevents toppling again and guarantees that the roof beam body can not take place to sideslip and topple, cracked risk.

Furthermore, as a preferred technical scheme, a section of the reinforcing shaft located in the telescopic box is provided with a spring, one end of the reinforcing shaft is provided with a stop block, and the other end of the reinforcing shaft is provided with a nut.

Due to the adoption of the technical scheme, the two ends of the reinforcing shaft are located in the telescopic box, the middle part is located between the bases, the spring is sleeved on one section of the reinforcing shaft located in the telescopic box, one end of the reinforcing shaft is integrally designed and connected with the stop block, the other end of the reinforcing shaft is limited by the bolts, the spring is prevented from sliding out, the spring is convenient to replace in the later period, when the lateral deviation or the extrusion force along the traveling direction is too large, the reinforcing shaft is compressed or stretched when lateral or transverse displacement occurs, the spring can play a role in resisting lateral sliding force and transverse force, offset part of stress, play a role in slowing down the two beam bodies, also play a role in protecting the comb-shaped expansion joint device, prevent the too large extrusion, and the comb plate is damaged.

Further, as preferred technical scheme, the base is kept away from the beam seam end and is equipped with the bracing piece, and the bracing piece is located expansion box both sides.

Due to the adoption of the structure, the supporting rods are welded on one side, away from the beam seam, of the base, the two supporting rods are arranged and are respectively positioned on the two sides of the telescopic box, and after the supporting rods are attached to concrete in the later period, the connecting strength of the anti-overturning device can be enhanced, so that the two ends of the strong beam body are prevented from sliding laterally, and the transverse strength of the anti-overturning device is enhanced.

Further, as preferred technical scheme, the bracing piece is kept away from beam seam end and is equipped with the bottom plate.

By adopting the technical scheme, the supporting rod is far away from the beam seam end welding bottom plate, the polymerization force between the supporting rod and the concrete is enhanced, the winding is not easy to occur, the contact area between the supporting rod and the concrete is increased, the stress concentration is reduced, the load on the supporting rod is dispersed on the concrete solidified in the later stage as large as possible, and the tensile and compressive capacities of the device are enhanced.

Further, as preferred technical scheme, the floor is close to roof beam seam side and is equipped with the support frame, is equipped with the slag trap between support frame and the fishback.

Due to the adoption of the technical scheme, one of the rib plates is close to the welded support frame at one end of the beam seam, the support frame is in a shape like a Chinese character '7', the slag blocking plate is arranged between the top surface of the support frame and the bottom surface of the comb plate, the slag blocking plate is welded with the upper surface of the support frame and is attached to the bottom surface of the comb plate, the slag blocking plate covers the gap between the two comb plates, and the slag blocking plate effectively prevents impurities on the road surface from falling to the anti-overturning device below from the gap between the comb plates, so that the working performance of the anti-overturning device is influenced.

Further, as preferred technical scheme, the floor is kept away from the roof beam seam end and is equipped with the fixed plate, and the fixed plate top is connected with the fishback bottom surface.

Owing to adopt above-mentioned technical scheme, keep away from beam seam one side welded fastening board at the floor, the steel sheet material is chooseed for use to the fixed plate, the fixed plate upper surface be planar structure and with the bonding welding of fishback lower surface, the fixed plate, the crossing department welding of fishback and floor is firm, the fixed plate makes fishback unsettled part become the entity part, the effectual reinforcing of bearing capacity of fishback avoids the later stage to be rolled the back by the vehicle for a long time, takes place to warp the arch, influence telescoping device's life and driving safety.

Further, as a preferred technical scheme, a U-shaped waterproof mechanism with an upward opening is arranged between the telescopic device and the reinforcing shaft, and the U-shaped waterproof mechanism is positioned between the beam seams.

Owing to adopt above-mentioned technical scheme, set up U type waterproofing mechanism between the roof beam seam, strengthen the utility model discloses a waterproof performance, U type waterproofing mechanism set up in rib top fishback below, prevent to leak the anti-overturning device of bottom, cause the corruption to the part, influence service function.

Further, as preferred technical scheme, U type waterproof construction's both sides are provided with the couple that the opening is down, the base on be provided with the waterproof bearing structure who is used for the couple installation.

By adopting the technical scheme, the waterproof supporting structure arranged on the base is convenient for fixing and installing the U-shaped waterproof structure.

Further, as preferred technical scheme, the fixed plate side is connected with the anchor reinforcing bar, the anchor reinforcing bar is connected with the embedded steel bar, and the anchor reinforcing bar is connected with the crossing reinforcing bar with the embedded steel bar contact point.

Owing to adopt above-mentioned technical scheme, the fixed plate side adopts welding mode welding anchor reinforcing bar, and anchor reinforcing bar rewelds the embedded bar, and anchor reinforcing bar and embedded bar contact point welding cross reinforcing bar for behind the concreting, top fishback telescoping device combines more firmly together with the roof beam body, and stability is stronger.

The utility model discloses beneficial effect who has:

1. set up in current fishback telescoping device below and prevent the device that topples, prevent that the device that topples includes expansion tank, reinforcing shaft and base, and the base distributes in the roof beam body end of roof beam seam both sides, and the base is kept away from the roof beam seam side and is connected the expansion tank, and the reinforcing shaft passes two bases, extends to the expansion tank in, prevents effectively that the roof beam body from taking place lateral displacement, strengthens the continuity between the two roof beam bodies, reduces the risk that the roof beam body breaks, topples.

Drawings

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

FIG. 2 is a sectional view taken along line A-A;

FIG. 3 is a top view of the anti-toppling device;

FIG. 4 is a front view of the anti-toppling device;

reference numerals: 1-expansion device, 101-comb plate, 102-ribbed plate, 2-overturn preventing device, 201-base, 202-expansion box, 203-reinforcing shaft, 204-supporting rod, 205-bottom plate, 206-stop block, 207-nut, 3-beam body, 4-comb tooth, 5-tooth socket, 6-beam seam, 7-fixing plate, 8-supporting frame, 9-slag baffle, 10-U type waterproof mechanism, 11-waterproof supporting structure, 12-anchoring steel bar, 13-embedded steel bar, 14-transverse steel bar, 15-spring and 16-through hole.

Detailed Description

The present invention will be described in further detail with reference to the following examples and drawings, but the present invention is not limited thereto.

Example 1

As shown in fig. 1-4, a fishback telescoping device with anti-overturning moment, including fishback 101 and the anti-overturning device 2 that sets up under fishback 101 of taking ribbed slab 101 that sets up in pairs, fishback 101 sets up a plurality of comb teeth 4 along length direction, forms tooth's socket 5 between two comb teeth 4, and comb teeth 4 and tooth's socket 5 mutually support, and ribbed slab 102 is connected and is parallel to each other with fishback 101 bottom surface, anti-overturning device 2 is including arranging the base 201 of 6 both sides of beam seam in, and the telescopic box 202 of 6 end connections of beam seam is kept away from to base 201, be equipped with through-hole 16 along the driving direction on the base 201, be equipped with reinforcing shaft 203 in the telescopic box 202, reinforcing shaft 203 passes through-hole 16 and strides seam connection two bases 201.

A section of the reinforcing shaft 203 located in the telescopic box 202 is provided with a spring 15, one end of the reinforcing shaft 203 is provided with a stop block 206, and the other end of the reinforcing shaft is provided with a nut 207.

Specifically, two comb plates 101 are arranged on two sides of a beam seam 6 in parallel and are parallel to the road surface, rib plates 102 are welded on the bottom surface of each comb plate 101, the rib plates 102 are vertically welded along the length direction of the comb plates 101, the two rib plates 102 are arranged on two sides of the beam seam 6 in parallel, the rib plates 102 enhance the vertical load capacity of the telescopic device 1, the comb plates 101 are provided with a plurality of comb-shaped teeth 4 along the length direction, tooth spaces 5 are formed between any two adjacent comb-shaped teeth 4, the comb-shaped teeth 4 of one comb plate 101 can be inserted into the tooth spaces 5 of the other comb plate 101 to be matched with each other, the joint of the comb-shaped teeth 4 and the tooth spaces 5 is positioned at the center of the beam seam 6, the matching of the comb-shaped teeth 4 and the tooth spaces 5 can well limit the longitudinal displacement change of the bridge, the stability of a vehicle when the vehicle passes through can be ensured, a base 201 of the overlaying device 2 is arranged at the beam ends of, the base 201 is far away from one side of the beam seam 6 and is welded with a telescopic box 202, a reinforcing shaft 203 is arranged in the telescopic box 202, the reinforcing shaft 203 is matched with the through hole 16, the reinforcing shaft passes through the through hole 16 and is connected with the two bases 201 in a cross seam mode, two ends of the reinforcing shaft 203 are positioned in the telescopic box 202, the middle part of the reinforcing shaft 203 is positioned between the two bases 201, one section of the reinforcing shaft 203 positioned in the telescopic box 202 is sleeved with a spring 15, one end of the reinforcing shaft 203 is integrally designed and connected with a stop block 206, the other end of the reinforcing shaft is limited by a nut 207 to prevent the spring 15 from sliding out, the spring 15 is convenient to replace in the later period, when the beam body 3 generates lateral deviation or the extrusion force along the travelling direction is overlarge, the reinforcing shaft 203 blocks the beam body 3 to generate lateral or transverse displacement, the spring 15 is compressed or stretched, the functions of resisting lateral sliding force and transverse extrusion force can be realized, prevent that the extrusion is too big, fishback 101 is damaged, anti-overturning device 2 connects originally by two sections roof beam bodies 3 that the expansion joint is partd as an organic wholely like this, can not cause the fracture of roof beam body 3 because of the deformation of telescoping device 1 after, also be difficult for arousing sideslip of both ends roof beam body 3, the security and the stability of both ends roof beam body 3 have fully been guaranteed, the defect of current fishback telescoping device has been remedied, the stationarity of road surface vehicle is guaranteed to existing telescoping device 1, anti-overturning device 2 guarantees again that roof beam body 3 can not take place to sideslip and topple, cracked risk.

Example 2

As shown in fig. 3-4, on the basis of the above embodiment, the end of the base 201 away from the beam slot 6 is provided with a support rod 204, and the support rods 204 are located at two sides of the telescopic box 202.

The end of the support rod 204 far away from the beam seam 6 is provided with a bottom plate 205.

Specifically, the supporting rods 204 are welded on one side, away from the beam joint 6, of the base 201, the two supporting rods 204 are arranged, the number of the supporting rods 204 is reasonably selected according to the bridge construction region, cost is saved, the supporting rods 204 are respectively located on two sides of the telescopic box 202, and after the supporting rods 204 are attached to concrete in the later period, the connecting strength of the overturn preventing device 2 can be enhanced, so that the two ends of the strong beam body 3 are prevented from sliding laterally, and the transverse strength of the overturn preventing device 2 is enhanced; the supporting rod 204 is far away from the beam seam 6 end welding bottom plate 205, the size of the area of the bottom plate 205 is moderate, the polymerization force between the supporting rod 204 and the concrete is enhanced, the circling is not easy to occur, the contact area between the supporting rod 204 and the concrete is increased, the stress concentration is reduced, the load on the supporting rod 204 is dispersed on the concrete solidified in the later stage as large as possible, and the tensile and compressive capacities of the overturn preventing device 2 are enhanced.

Example 3

On the basis of the above embodiment, the supporting frame 8 is arranged on the side of the rib plate 102 close to the beam seam 6, and the slag trap 9 is arranged between the supporting frame 8 and the comb plate 101.

Specifically, one of them floor 102 is close to 6 one end welding support frames 8 of roof beam seam, support frame 8 is "7" font, set up slag trap 9 between support frame 8 top surface and the fishback 101 bottom surface,

slag trap

9 and 8 upper surface welding of support frame are firm and with the fishback 101 bottom surface laminating, slag trap 9 covers the gap between two fishback 101, the effectual impurity that prevents the road surface of slag trap 9 falls the anti-overturning device 2 of below by the gap between the fishback, influence anti-overturning device's working property.

Example 4

As shown in fig. 2, on the basis of the above embodiment, the fixing plate 7 is arranged at the end of the rib plate 102 away from the beam slit 6, and the top of the fixing plate 7 is connected with the bottom surface of the comb plate 101.

The fixed plate 7 side is connected with anchor reinforcing bar 12, anchor reinforcing bar 12 is connected with embedded bar 13, and anchor reinforcing bar 12 and embedded bar 13 contact point are connected with and cross reinforcing bar 14.

Specifically, a fixing plate 7 is welded on one side of a rib plate 102, which is far away from a beam joint 6, the fixing plate 7 is made of a steel plate material, the upper surface of the fixing plate 7 is of a planar structure and is in fit welding with the lower surface of a comb plate 101, the intersection of the fixing plate 7, the comb plate 101 and the rib plate 102 is firmly welded, the fixing plate 7 enables the suspended part of the comb plate 101 to be changed into a solid part, the bearing capacity of the comb plate 101 is effectively enhanced, the phenomenon that deformation and bulge occur after long-term rolling by a vehicle in the later period are avoided, the service life and the driving safety of the expansion device 1 are affected, the anchoring steel bars 12 are welded on the side surface of the fixing plate 7 in a welding mode, the anchoring steel bars 12 are firmly welded with embedded steel bars 13, the embedded steel bars 13 are enhanced in anti-pulling performance and are embedded into a beam body 3 in advance, the bottoms of the embedded steel bars 13, and then restriction fishback 101 takes place the displacement before concrete placement, and the installation satisfies the requirement for behind the concreting, top fishback telescoping device combines more firmly together with roof beam body 3, and stability is stronger.

Example 5

As shown in fig. 2, in addition to the above-mentioned embodiment, a U-shaped waterproof mechanism 10 with an upward opening is provided between the telescopic device 1 and the reinforcing shaft 203, and the U-shaped waterproof mechanism 10 is located between the beam slits 6.

The both sides of U type waterproof construction 10 are provided with the couple that the opening is down, base 201 on be provided with the waterproof bearing structure 11 that is used for the couple installation.

Concrete, set up U type waterproofing mechanism 10 between roof beam seam 6, strengthen the utility model discloses a waterproof performance, U type waterproofing mechanism 10 set up in reinforcing shaft 203 top fishback 101 below, prevent to leak the anti-overturning device 2 of bottom, cause the corruption to the part, influence service function, the both sides of U type waterproofing mechanism 10 are provided with opening couple down, base 201 on be provided with the waterproof bearing structure 11 that is used for the couple installation. The waterproof supporting structure 11 is used to facilitate fixing and installation of the U-shaped waterproof structure 10, and the U-shaped waterproof structure 10 is made of waterproof and corrosion-resistant materials to meet actual use requirements, such as waterproof and corrosion-resistant rubber, waterproof and corrosion-resistant metal or waterproof and corrosion-resistant alloy, the specific materials of which are common knowledge of those skilled in the art, and the specific materials of the U-shaped waterproof structure 10 are not limited herein.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and the technical essence of the present invention is that within the spirit and principle of the present invention, any simple modification, equivalent replacement, and improvement made to the above embodiments are all within the protection scope of the technical solution of the present invention.

Claims

1. A comb plate expansion device with anti-overturning moment is characterized by comprising comb plates (101) with ribbed plates (102) which are arranged in pairs and an anti-overturning device (2) arranged below the comb plates (101), the comb plate (101) is provided with a plurality of comb-shaped teeth (4) along the length direction, tooth spaces (5) are formed between any two adjacent comb-shaped teeth (4), the comb-shaped teeth (4) and the tooth spaces (5) are mutually matched, the ribbed plates (102) are connected with the bottom surface of the comb plate (101) and are mutually parallel, the overturn preventing device (2) comprises bases (201) arranged at two sides of a beam seam (6), a telescopic box (202) connected with the base (201) far away from the beam seam (6), through-hole (16) are equipped with along the driving direction on base (201), be equipped with reinforcing shaft (203) in expansion box (202), reinforcing shaft (203) pass through-hole (16) and stride two bases (201) of seam connection.

2. The comb plate retractor device with anti-overturning moment according to claim 1 wherein the section of the reinforcing shaft (203) inside the retractable box (202) is provided with a spring (15), one end of the reinforcing shaft (203) is provided with a stop block (206), and the other end is provided with a nut (207).

3. The comb plate retractor device with anti-overturning moment according to claim 1, wherein the end of the base (201) away from the beam slit (6) is provided with a support rod (204), and the support rods (204) are located at two sides of the retractable box (202).

4. A comb plate retractor device with anti-overturning moment according to claim 3 wherein the support rod (204) is provided with a bottom plate (205) at the end away from the beam slit (6).

5. The comb plate retractor device with anti-overturning moment according to claim 1 is characterized in that a support frame (8) is arranged on the side, close to the beam seam (6), of the rib plate (102), and a slag blocking plate (9) is arranged between the support frame (8) and the comb plate (101).

6. The comb plate retractor device with anti-overturning moment according to claim 5, wherein the end of the rib plate (102) away from the beam slit (6) is provided with a fixing plate (7), and the top of the fixing plate (7) is connected with the bottom surface of the comb plate (101).

7. The comb plate retractor device with anti-overturning moment according to claim 1, wherein a U-shaped waterproof mechanism (10) with an upward opening is arranged between the retractor device (1) and the reinforcing shaft (203), and the U-shaped waterproof mechanism (10) is positioned between the beam seams (6).

8. The comb plate retractor device with anti-overturning moment according to claim 7 is characterized in that hooks with downward openings are arranged on two sides of the U-shaped waterproof structure (10), and a waterproof supporting structure (11) for installing the hooks is arranged on the base (201).

9. The comb plate expansion device with anti-overturning moment according to claim 6, wherein the side surface of the fixing plate (7) is connected with an anchoring steel bar (12), the anchoring steel bar (12) is connected with an embedded steel bar (13), and the contact point of the anchoring steel bar (12) and the embedded steel bar (13) is connected with a transverse steel bar (14).