CN217078400U - Expansion device with temporary traffic and permanent use functions - Google Patents

Abstract

The utility model discloses a have temporary vehicle and permanent telescoping device who uses function concurrently, including two fishback, be used for supporting fishback anchor assembly, fishback sinks in with first trough district with roof beam body top surface flushing's position, fishback is connected with anchor assembly, anchor assembly and pre-buried muscle fixed connection, the fishback telescoping device who forms temporary vehicle and use after pouring into the filler in the first trough district, set up the second trough district on the layer of mating formation, through the position that regulating part lifting fishback to fishback top surface and the layer top surface of mating formation flushed, form permanent fishback telescoping device who leads to the vehicle and use after pouring into the filler in the second trough district. The utility model can effectively ensure the safety of temporary driving on the beam body without the pavement layer; after the asphalt pavement paved, the notch area is reinforced, the comb plate is lifted and poured, the comb plate expansion device used for the permanent general car is installed, the normal general car is realized, the anchoring sleeve lifting comb plate is adopted, the structure is simple and practical, and the operation is easy.

Description

Expansion device with temporary traffic and permanent use functions

Technical Field

The utility model relates to a bridge telescoping device technical field, concretely relates to have temporary traffic and permanent service function's telescoping device concurrently.

Background

And changing and expanding new and old bridges for construction, and requiring the expanded section bridge to have a long-time temporary traffic function before paving the asphalt pavement. At present, temporary steel plates are directly paved for vehicles to pass through, the thickness of the paved steel plates is large, the steel plates with the thickness of 1.2-cm are generally needed, sharp cutting surfaces can be formed at the water chestnuts of the thicker steel plates, particularly, tires are easy to damage when the vehicles pass through, traffic accidents are easy to happen, driving safety cannot be guaranteed, and traffic hidden dangers are easy to cause; if adopt seamless telescoping device of polyurethane class, though can ensure the security of driving, need expend a large amount of time when the permanent telescoping device of later stage installation and install the telescoping device, must chisel out current interim telescoping device before the installation, and the seamless telescoping device of polyurethane class can't recycle, and environmental pollution is serious, extravagant material, the cost increase.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a telescopic device with both temporary traffic and permanent use functions, before paving the asphalt pavement, a comb plate telescopic device used for temporary traffic is installed for temporary traffic, so that the safety of temporary traffic can be effectively ensured; after the asphalt pavement paved, through consolidating notch region, lifting fishback and pouring, the fishback telescoping device installation that permanent traffic car used carries out realizes permanent structure and normally leads to the car, adopts anchor sleeve lifting fishback, and simple structure is practical, easy operation.

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

the utility model provides a have interim car service function's telescoping device that leads to concurrently, including two fishplates that mutually support the use, be used for supporting a plurality of anchor assembly that are parallel to each other of fishplate, anchor assembly distributes in first trough district along fishplate length direction, fishplate sinks to set up in with first trough district with roof beam body top surface level's position, and fishplate is connected with anchor assembly through first anchor bolt, anchor assembly and the internal pre-buried muscle fixed connection of roof beam, forms the interim comb plate telescoping device that leads to the car use behind the filler that fills and the fishplate top surface flushes in the first trough district.

Optionally, the anchoring part comprises an anchoring steel plate and a U-shaped anchor bar, the anchoring steel plate is arranged on the bottom surface of the comb plate, a slag blocking plate is arranged between the bottom surface of the comb plate and the anchoring steel plate, the lower end of the U-shaped anchor bar is welded with the embedded bar, and the first anchoring bolt sequentially penetrates through the comb plate, the slag blocking plate and the anchoring steel plate from top to bottom and is connected with the upper end of the U-shaped anchor bar.

Optionally, a waterproof rubber strip located between the two beam bodies is fixed on the two anchoring steel plates.

Optionally, an anti-collision baffle which is flush with the top surface of the beam body is fixed on one side, away from the waterproof rubber strip, of the anchoring steel plate.

The utility model provides a permanent telescoping device who uses function through car, based on the fishback telescoping device that above-mentioned interim expert car used constitutes, after the task of interim expert car was accomplished, demolishs fishback and slag trap, and the former fishback of installation cover replacement is lapped temporarily, and the layer of mating formation is laid to interim apron, roof beam body top surface, sets up the second groove district on the layer of mating formation, the fishback bottom surface is equipped with and is used for lifting fishback to the regulating part that flushes with the layer of mating formation, and the regulating part is located the second groove district, and the regulating part passes through the second anchor bolt and is connected with the fishback, and the second groove district intussuseption is filled with and forms the permanent fishback telescoping device who uses through the car behind the filler that the layer flushes of mating formation.

Optionally, the regulating part is an anchoring sleeve, the lower end of the anchoring sleeve is connected with the first anchoring bolt and is located on the top surface of the anchoring steel plate, and the second anchoring bolt sequentially penetrates through the comb plate and the slag blocking plate from top to bottom and is connected with the upper end of the anchoring sleeve.

Optionally, the upper and lower sections of the inner cavity of the anchoring sleeve are respectively provided with an internal thread matched with the second anchoring bolt and the first anchoring bolt, and the anchoring sleeve is welded with a reinforcing steel bar in the circumferential direction.

Optionally, the pavement layer is asphalt, and the thickness of the pavement layer is 12-35 cm.

The utility model discloses beneficial effect who has:

1. in the utility model, the expansion of new and old bridges and expressways adopts twice construction to install the comb plate expansion device with different structures, in the first construction, the comb plate expansion device used for installing the temporary go-cart is used for the temporary go-cart, the first groove area and the pre-embedded ribs are arranged on the two beam bodies without laying the pavement layer, the comb plate is sunk to the position in the first groove area and flush with the top surface of the beam body, the comb plate is fixed on the pre-embedded ribs in the beam body through the anchoring part, the connection firmness of the comb plate and the beam body is enhanced, concrete is poured into the first groove area to form the comb plate expansion device used for the temporary go-cart, the comb plate is flush with the top surface of the beam body, the smoothness of the vehicle when passing through is better, the diamond corners of the comb plate do not protrude out of the top surface of the beam body, thus the diamond corners of the comb plate can not damage tires of vehicles coming and going from the vehicle, the safety of driving is ensured.

2. After the temporary vehicle passing task is completed, the comb plate and the slag blocking plate are removed, a temporary cover plate is installed to replace the original comb plate, a layer of asphalt pavement layer is laid on the top surfaces of the temporary cover plate and the beam body, then a second groove area is arranged on the pavement layer, the temporary cover plate below the pavement layer is completely exposed, the temporary cover plate is removed, an anchoring sleeve with a certain length is in threaded connection with a first anchoring bolt, the comb plate is lifted by the anchoring sleeve to the height of the thickness value of the pavement layer, so that the top surface of the comb plate is flush with the top surface of the pavement layer, a second anchoring bolt penetrates through the comb plate, the slag blocking plate and the anchoring sleeve to be in threaded connection, finally concrete is poured in the second groove area, a comb plate expansion device used for the permanent vehicle passing is formed, the comb plate expansion device can be lifted to the position flush with the pavement layer only through one anchoring sleeve, and an expansion device for the permanent vehicle passing is formed, have the effect of adjusting the fishback height on a large scale, simple and practical, easy operation, whole process is high-efficient swift, and is difficult for causing the waste of material, adds and just need not to use the longer second anchor bolted connection fishback of length after establishing the anchor sleeve, is favorable to reducing the crooked degree of disturbance of second anchor bolt head for the fishback is higher with the stability of being connected of anchor steel sheet, more is favorable to guaranteeing the security of fishback when expert car.

Drawings

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

FIG. 2 is a schematic structural view of the first trough area after construction;

FIG. 3 is a schematic structural view of the anchoring member and the waterproof strip after installation and concrete pouring;

fig. 4 is a schematic sectional structure view of a comb plate expansion device used for the temporary traffic;

FIG. 5 is a schematic view of the structure of the cover plate formed after asphalt is paved;

FIG. 6 is a schematic structural view of the second trough area after construction;

FIG. 7 is a schematic structural view of the comb plate and the slag trap after being removed;

fig. 8 is a schematic sectional view of the permanent telescopic device.

Reference numerals: 1-beam body, 2-first groove area, 3-embedded rib, 4-expansion joint, 5-crashproof baffle, 6-first anchoring bolt, 7-waterproof rubber strip, 8-anchoring steel plate, 9-filler, 10-U-shaped anchoring rib, 11-reinforcing steel bar, 12-groove, 13-nut, 14-slag trap, 15-comb plate, 16-pavement layer, 17-second groove area, 18-anchoring sleeve, 19-second anchoring bolt and 20-temporary cover plate.

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.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "longitudinal", "lateral", "horizontal", "inner", "outer", "front", "rear", "top", "bottom", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and the terms are only for convenience of description of the present invention and simplifying the description, but do not indicate or imply that the device or element to which the term refers must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.

In the description of the present invention, it should be further noted that, unless otherwise explicitly specified or limited, the terms "disposed," "opened," "mounted," "connected," and "connected" are to be construed broadly, e.g., as either a fixed connection, a detachable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1

The utility model provides a have interim telescoping device that leads to car service function concurrently, includes two fishback 15 that mutually support the use, is used for supporting a plurality of anchor assembly that are parallel to each other of fishback 15, anchor assembly along fishback 15 length direction distribution in first trough section 2, fishback 15 sinks to set up in with first trough section 2 in with the position that 1 top surface of the roof beam body flushed, fishback 15 is connected with anchor assembly through first anchor bolt 6, anchor assembly and 3 fixed connection of the pre-buried muscle in the roof beam body 1, fill in first trough section 2 and form interim fishback 15 telescoping device that leads to the car use behind the filler 9 that flushes with fishback 15 top surface.

The anchoring part comprises an anchoring steel plate 8 and a U-shaped anchor bar 10, the anchoring steel plate 8 is arranged on the bottom surface of the comb plate 15, a slag baffle 14 is arranged between the bottom surface of the comb plate 15 and the anchoring steel plate 8, the lower end of the U-shaped anchor bar 10 is welded with the embedded bars 3, and the first anchoring bolt 6 sequentially penetrates through the comb plate 15, the slag baffle 14, the anchoring steel plate 8 and the upper end of the U-shaped anchor bar 10 from top to bottom to be connected.

And a waterproof rubber strip 7 positioned between the two beam bodies 1 is fixed on the two anchoring steel plates 8.

And an anti-collision baffle 5 which is flush with the top surface of the beam body 1 is fixed on one side of the anchoring steel plate 8, which is far away from the waterproof rubber strip 7.

In this embodiment, as shown in fig. 4, the comb-shaped teeth of the two comb plates 15 that are used in cooperation with each other are arranged in the first groove area 2 in a staggered manner, so that the two comb plates 15 can move relative to each other to adapt to thermal expansion and cold contraction of the beam body 1, the bottom surface of the comb plate 15 is provided with a slag trap 14, the slag trap 14 covers a gap between the comb-shaped teeth of the two comb plates 15, so that impurities are prevented from falling into a beam body 1 component below the comb plate 15, as shown in fig. 3, the U-shaped anchor bars 10 are welded on the embedded bars 3 with the openings facing upward, the U-shaped anchor bars 10 are welded on each embedded bar 3, a plurality of reinforcing steel bars 11 are welded between the U-shaped anchor bars 10 and the embedded bars 3 to enhance the connection firmness between the U-shaped anchor bars 10 and the embedded bars 3, and the reinforcing steel bars 11 are arranged in the direction along the width direction of the beam body 1; the anchoring steel plates 8 are distributed along the length direction of the comb plate 15, waterproof rubber strips 7 positioned in the expansion joints 4 are fixed between the anchoring steel plates 8 on the two beam bodies 1, rainwater above the anchoring steel plates is effectively prevented from leaking into a structure below the beam bodies 1, the side, far away from the expansion joints 4, of each anchoring steel plate 8 is welded with the anti-collision baffle 5, the top surfaces of the anti-collision baffle 5 are flush with the top surfaces of the beam bodies 1, then the slag blocking plate 14 and the comb plate 15 are sequentially installed on the top surfaces of the anchoring steel plates 8, the first anchoring bolts 6 sequentially penetrate through the grooves 12 of the comb plate 15 and the slag blocking plate 14 from top to bottom and then are firmly welded with the U-shaped anchor bars 10, the first anchoring bolts 6 positioned in the grooves 12 are screwed with matched nuts 13, so that the top surfaces of the comb plate 15 are flush with the top surfaces of the beam bodies 1, the stable comb plate 15 telescopic device used for temporarily passing vehicles is formed for temporarily passing vehicles, and the passing of the two sides of the bridge is opened, form a comb plate 15 telescoping device that supplies interim expert car of interim expert car use, because comb plate 15 flushes with 1 top surface of the roof beam body for the ride comfort when the vehicle passes through is better, and comb plate 15 water caltrop is not outstanding outside 1 top surface of the roof beam body, and comb plate 15's water caltrop can not cause the damage to the tire of the vehicle of coming and going like this, has ensured the security of driving.

Example 2

As shown in fig. 5, a permanent telescoping device who leads to car and use function, based on the fishback 15 telescoping device that uses of above-mentioned interim leading to car, after the task of interim leading to car is accomplished, demolish fishback 15 and slag trap 14, install interim apron 20 and replace former fishback 15, lay layer 16 of mating formation at interim apron 20, roof beam body 1 top surface, set up second trough area 17 on layer 16 of mating formation, come with interim apron 20 totally exposed department, and demolish interim apron 20, fishback 15 bottom surface is equipped with and is used for lifting fishback 15 to the regulating part that flushes with layer 16, and the regulating part is located second trough area 17, and the regulating part is connected with fishback 15 through second anchor bolt 19, forms permanent fishback 15 telescoping device that leads to car and use behind the filler 9 that flushes with layer 16 of mating formation in second trough area 17 intussuseption.

The regulating part is an anchoring sleeve 18, the lower end of the anchoring sleeve 18 is connected with the first anchoring bolt 6 and is positioned on the top surface of the anchoring steel plate 8, and the second anchoring bolt 19 sequentially penetrates through the comb plate 15 and the slag trap 14 from top to bottom and is connected with the upper end of the anchoring sleeve 18.

The upper and lower sections of the inner cavity of the anchoring sleeve 18 are respectively provided with internal threads matched with the second anchoring bolt 19 and the first anchoring bolt 6, and the reinforcing steel bars 11 are welded on the circumferential direction of the anchoring sleeve 18. The reinforcing steel bars 11 are used for reinforcing the connection firmness of the anchoring sleeve 18 and the concrete in the second groove area 17, and the tensile resistance of the comb plate 15 telescopic device used for the permanent general car is enhanced.

The pavement layer 16 is asphalt, and the thickness of the pavement layer 16 is 12-35 cm. The road condition requirements are different, the thickness of the pavement layer 16 is different, the pavement layer 16 is made of asphalt materials, the pavement layer 16 is used for permanent traffic, and the thickness of the pavement layer 16 is calculated by taking the top surface of the expansion device of the comb plate 15 used for temporary traffic as a reference plane.

In the embodiment, after the temporary vehicle passing task is completed, the comb plate 15 of the temporary vehicle passing and the slag trap 14 below the comb plate 15 are firstly removed, then the temporary cover plate 20 is installed at the original position of the temporary comb plate 15, the temporary cover plate 20 is made of a wooden plate, the weight is light and convenient to install, the temporary cover plate 20 is provided with a through hole corresponding to the position of the first anchor bolt 6, during installation, the temporary cover plate 20 is directly sleeved on the first anchor bolt 6, the bottom surface of the temporary cover plate 20 is closely attached to the top surface of the anchor steel plate 8, the top surface of the temporary cover plate 20 is flush with the top surface of the beam body 1, two ends of the temporary cover plate 20 and the anti-collision baffle 5 have a gap of 3-6cm, a certain telescopic space is reserved for the beam body 1, a paving layer 16 is laid on the top surfaces of the temporary cover plate 20 and the beam body 1 to form a cover plate structure, when the comb plate 15 telescopic device used for the permanent vehicle passing is installed, the paving layer 16 is provided with a second groove area 17, the temporary cover plate 20 is completely exposed and removed, the matched anchoring sleeve 18 is connected to the first anchoring bolt 6 in a threaded manner, the bottom end of the anchoring sleeve 18 is tightly attached to the top surface of the anchoring steel plate 8, so that the stress of the anchoring sleeve 18 can be transferred to the anchoring steel plate 8 and further transferred to the beam body 1, the bearing force borne by the anchoring sleeve 18 is reduced, the upper end of the anchoring sleeve 18 is connected with a second anchoring bolt 19 in a threaded manner, the lower end of the second anchoring bolt 19 rotates to be in tight contact with the top end of the first anchoring bolt 6, the force transfer can be effectively ensured, the second anchoring bolt 19 is prevented from being stressed independently, C50 steel fiber concrete is poured in the second groove area 17 to be flush with the paving layer 16, then the slag blocking plate 14 and the comb plate 15 are sequentially sleeved on the second anchoring bolt 19 through the groove 12, and finally the matched nut 13 is screwed on the second anchoring bolt 19 to fix the comb plate 15 firmly, the cooperation of the anchoring sleeve 18 with the second bolt raises the height of the comb plate 15, the height value at which the comb plate 15 is raised being: the distance between the top surface of the beam body 1 which is not paved with asphalt and is used as the horizontal reference surface and the top surface of the paving layer 16 is shown in figure 8, the height value of the comb plate 15 which is lifted is the height H of the paving layer 16, thus ensuring that the comb plate 15 and the top surface of the paving layer 16 are positioned at the same horizontal plane, improving the smoothness of passing vehicles and meeting the design requirements of roads, as shown in figure 1, completing the installation of the comb plate 15 expansion device used for permanent traffic, the utility model can lift the comb plate 15 which is used for temporary traffic to the position flush with the paving layer 16 by only adding some necessary auxiliary tools through an anchoring sleeve 18 to form the expansion device for permanent traffic, is simple and practical, is easy to operate, has high efficiency and fast whole process, is not easy to cause material waste, and does not need to use a second anchoring bolt 19 with longer length to connect the comb plate 15 after adding the anchoring sleeve 18, the bending deflection of the head of the second anchoring bolt 19 is reduced, so that the connection stability of the comb plate 15 and the anchoring steel plate 8 is higher, and the safety of the comb plate 15 during the vehicle passing process is ensured.

The utility model discloses an installation and construction flow: when highway or bridge need expand, need add the structure that supplies interim traffic to expansion joint 4 department between two roof beam bodies 1 for laying the layer 16 (pitch) of mating formation, among the prior art, adopt directly to lay steel sheet or the seamless telescoping device of polyurethane class about thickness 2cm basically, the former easily causes the influence to vehicle driving safety, the latter when the permanent extending structure of installation, need chisel the back at the installation telescoping device, cause the waste of material, waste time and energy. Construction for the first time: firstly, the traffic of the bridge is closed, as shown in fig. 2, then the end parts of the beam body 1 without the paving layer 16 at the two sides of the expansion joint 4 are respectively chiseled out a first groove area 2 lower than the top surface of the beam body 1 through an electric hammer, the door-shaped embedded ribs 3 in the beam body 1 are exposed, the height of the exposed part to the outside is 10-20cm, the embedded ribs 3 are uniformly arranged along the width direction of the beam body 1 at intervals, the embedded ribs 3 on the two beam bodies 1 are mutually parallel, the section of the first groove area 2 is an L-shaped groove, the filling material (hardened concrete) in the first groove area 2 is moved out, the first groove area 2 is chiseled, the bonding property of the subsequent poured concrete and the beam body 1 is improved, the comb plate 15 is sunk to the position flush with the top surface of the beam body 1, the comb plate 15 is fixed on the embedded ribs 3 in the beam body 1 through an anchoring piece, the connection firmness of the comb plate 15 and the beam body 1 is enhanced, concrete is poured into the first groove area 2 again, a comb plate 15 telescopic device used for temporary traffic is formed, and the comb plate 15 is flush with the top surface of the beam body 1, so that the smoothness of the vehicle passing through is good, the water caltrops of the comb plate 15 are not protruded out of the top surface of the beam body 1, the water caltrops of the comb plate 15 cannot damage tires of the vehicle passing from and to, and the driving safety is ensured.

And (3) second construction: after the temporary vehicle passing task is completed, a comb plate 15 telescopic device used for permanent vehicle passing needs to be installed, the comb plate 15 and the slag trap 14 are firstly removed, the temporary baffle 20 is installed in place, and a pavement layer is laid on the top surfaces of the temporary baffle and the beam body, as shown in fig. 5; then, a kerf with designed size is carried out on the pavement layer 16, the area of the kerf is larger than that of the temporary cover plate 20, asphalt is chiseled by an electric hammer to form a second groove area 17, when the pavement layer 16 is chiseled, the surface of old concrete is also chiseled to improve the bonding strength of new concrete and old concrete, as shown in figure 6, the temporary cover plate 20 is completely exposed and removed, the first anchor bolt 6 and the anchor steel plate 8 are exposed, impurities on the first anchor bolt 6 and the anchor steel plate 8 are cleaned, as shown in figure 8, the matched anchor sleeve 18 is connected on the first anchor bolt 6 in a threaded manner, the bottom end of the anchor sleeve 18 is tightly attached to the top surface of the anchor steel plate 8, so that the stress of the anchor sleeve 18 can be transmitted to the anchor steel plate 8 and further transmitted to the beam body 1, the bearing capacity born by the anchor sleeve 18 is reduced, the upper end of the anchor sleeve 18 is connected with a second anchor bolt 19 in a threaded manner, the lower end of the second anchor bolt 19 is in pressing contact with the top end of the first anchor bolt 6, so that force transmission can be effectively guaranteed, independent stress on the second anchor bolt 19 is avoided, the service life of the second anchor bolt is prolonged, the upper end of the second anchor bolt 19 is flush with the pavement layer 16, after the fishback 15 is installed in the later period, the second anchor bolt 19 cannot fall off, influence on a travelling crane is avoided, then a template is erected as required, C50 steel fiber concrete is poured in the second groove area 17 to be flush with the pavement layer 16, the length of the exposed part of the upper end of the second anchor bolt 19 outside the concrete is a height space required by installing the fishback 15 and the slag baffle 14, then the slag baffle 14 and the fishback 15 are sequentially sleeved on the second anchor bolt 19 through the groove 12, finally, the matched nut 13 is screwed on the second anchor bolt 19 to fix the fishback 15 firmly, the thickness of the concrete below the slag baffle 14 is larger than the height of the pavement layer 16, the thickness of the concrete poured on the side face of the slag blocking plate 14 is the same as the height of the pavement layer 16, the height of the comb plate 15 is lifted by the anchoring sleeve 18, the lifted height value of the comb plate 15 is the reference plane which is the horizontal plane formed by the top surface of the beam body 1, and the lifted height value of the comb plate 15 is the height of the pavement layer 16, namely H in figures 7 and 8, so that the comb plate 15 and the top surface of the pavement layer 16 are ensured to be on the same horizontal plane, the smoothness of passing vehicles is improved, the road design requirements are met, after the concrete is solidified, the nut 13 is screwed again, epoxy resin is poured into the groove 12 of the comb plate 15 to prevent looseness and rust, finally, the site is cleaned and the traffic is opened, as shown in figures 8 and 1, the installation of the comb plate 15 telescopic device used for the permanent traffic is completed, the invention only needs to use one anchoring sleeve 18 and add some necessary auxiliary tools, such as electric hammers, wrenches and the like, the comb plate 15 used as a temporary traffic vehicle can be lifted to a position flush with the pavement layer 16 to form a comb plate 15 telescopic device for a permanent traffic vehicle, the height of the comb plate 15 to be adjusted is the thickness of the pavement layer 16, so the height value of the comb plate 15 to be lifted is larger, the anchor sleeve 18 is adopted to realize the large-scale height adjustment of the comb plate 15, the technology is simple and practical, the operation is easy, the whole construction process is efficient and quick, the waste of materials is not easy to cause, meanwhile, the anchor sleeve 18 is adopted as a joint to connect the first anchor bolt 6 and the second anchor bolt 19, the step of welding the two anchor bolts by a welding machine is omitted, the connection strength of the anchor sleeve 18 is higher, the firmness of the connection of the comb plate 15 and the beam body 1 is favorably improved, the second anchor bolt 19 with longer length is not needed to be used to connect the comb plate 15 after the anchor sleeve 18 is additionally arranged, the bending disturbance degree of the head part of the second anchor bolt 19 is favorably reduced, make the stability of being connected of fishback 15 and anchor assembly higher, be more favorable to guaranteeing the security when fishback 15 leads to the vehicle.

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 (8)

1. The utility model provides a have telescoping device that leads to car use function temporarily concurrently, its characterized in that, including two fishback (15) that mutually support the use, a plurality of anchor assembly that are parallel to each other that are used for supporting fishback (15), anchor assembly distributes in first trough district (2) along fishback (15) length direction, fishback (15) sink set up with first trough district (2) in with the position that the roof beam body (1) top surface flushes, fishback (15) are connected with anchor assembly through first anchor bolt (6), anchor assembly and roof beam body (1) in pre-buried muscle (3) fixed connection, first trough district (2) intussuseption form fishback (15) telescoping device that leads to the car use temporarily behind filler (9) that flushes with fishback (15) top surface.

2. The telescopic device with the temporary vehicle passing function according to claim 1, wherein the anchoring member comprises an anchoring steel plate (8) and a U-shaped anchor bar (10), the anchoring steel plate (8) is arranged on the bottom surface of the comb plate (15), a slag trap (14) is arranged between the bottom surface of the comb plate (15) and the anchoring steel plate (8), the lower end of the U-shaped anchor bar (10) is welded with the pre-embedded rib (3), and the first anchoring bolt (6) sequentially penetrates through the comb plate (15), the slag trap (14) and the anchoring steel plate (8) from top to bottom to be connected with the upper end of the U-shaped anchor bar (10).

3. The telescopic device with the temporary vehicle passing through use function is characterized in that a waterproof rubber strip (7) positioned between two beam bodies (1) is fixed on the anchoring steel plate (8).

4. The telescopic device with the function of temporary traffic service according to claim 3, wherein an anti-collision baffle (5) flush with the top surface of the beam body (1) is fixed on one side of the anchoring steel plate (8) away from the waterproof rubber strip (7).

5. The utility model provides a permanent telescoping device who uses function through car, fishback (15) telescoping device based on above-mentioned temporary use through car constitutes, its characterized in that, after the task of temporary through car was accomplished, demolish fishback (15) and slag trap (14), install temporary apron (20) and replace former fishback (15), and layer (16) of mating formation form the apron structure is laid to temporary apron (20), roof beam body (1) top surface, offers second trough (17) on layer (16) of mating formation, be equipped with in second trough (17) and be used for lifting fishback (15) to the regulating part that flushes with layer (16) of mating formation, the regulating part passes through second anchor bolt (19) and is connected with fishback (15), and second trough (17) intussuseption is filled with and forms permanent fishback (15) telescoping device that the through car used with filler (9) of mating formation layer (16).

6. The telescoping device of permanent general car use function according to claim 5, characterized in that, the regulating part is anchor sleeve (18), anchor sleeve (18) lower extreme is connected with first anchor bolt (6) and is located anchor steel sheet (8) top surface, and second anchor bolt (19) is passed fishback (15), slag trap (14) and is connected with anchor sleeve (18) upper end from top to bottom in proper order.

7. The telescopic device with the permanent general vehicle use function according to claim 6, wherein the upper and lower sections of the inner cavity of the anchoring sleeve (18) are respectively provided with internal threads matched with the second anchoring bolt (19) and the first anchoring bolt (6), and the reinforcing steel bars (11) are welded on the circumferential direction of the anchoring sleeve (18).

8. A telescopic device with permanent vehicle use function according to claim 5, characterized in that said layer (16) is asphalt, the thickness of said layer (16) being 12-35 cm.

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