CN215907867U - Filling opening plugging device for arch part of lining trolley - Google Patents
Filling opening plugging device for arch part of lining trolley Download PDFInfo
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- CN215907867U CN215907867U CN202121528772.4U CN202121528772U CN215907867U CN 215907867 U CN215907867 U CN 215907867U CN 202121528772 U CN202121528772 U CN 202121528772U CN 215907867 U CN215907867 U CN 215907867U
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Abstract
The utility model provides a plugging device for an arch filling opening of a lining trolley, wherein the arch of the lining trolley is provided with a panel and a filling opening, the plugging device comprises a sealing plate, a top push plate, a driving device and two sliding rails, the sealing plate is positioned above the panel, the top push plate, the sliding rails and the driving device are positioned below the panel, the two sliding rails are respectively arranged at the left side and the right side of the filling opening, the sliding rails extend along the front-back direction, the bottom of the sealing plate is provided with at least two connecting rods and at least two sliding blocks, the two connecting rods are respectively arranged at the two sides of the sealing plate, the two ends of each connecting rod are respectively fixedly connected with the sealing plate and the corresponding sliding block, the sliding blocks are in sliding connection with the sliding rails, the two sides of the top push plate are respectively connected with the corresponding sliding blocks, the middle part of the top push plate is connected with the driving device, the driving device drives the sealing plate to slide along the extending direction of the sliding rails through the top push plate, and the sealing plate can plug the filling opening. The pouring opening for plugging the arch part of the lining trolley is simple and quick to operate, the plugging surface of the pouring opening is flat, and polishing is not needed in the later period.
Description
Technical Field
The utility model relates to the technical field of tunnel secondary lining construction, in particular to a blocking device for an arch filling opening of a lining trolley.
Background
In the tunnel engineering construction, the concrete pouring opening of the arch part of the traditional tunnel secondary lining formwork trolley adopts a direct butt joint and manual plugging mode, so that the operation has great quality defects. For example, the pumping is stopped after the concrete vertical pouring opening is filled fully, and then the operation of detaching or separating the concrete conveying pipe is carried out, so that the timing is difficult to grasp, and the premature separation can cause the concrete right above the pouring opening to collapse downwards to cause a top cavity; too late separation can lead to pouring into mouthful and pump to send the interior concrete of pipe and appear early initial set phenomenon, influences the template and demolishs and form convex concrete easily at pouring into mouthful position, and the later stage needs to polish convex concrete level and smooth, brings the trouble for later stage operation. Moreover, the manual plugging mode adopts geotextile and other materials to plug and plug whether the delivery pipe is removed too early or too late, which causes irregular concave-convex pits on the surface of the pouring opening after demoulding and easily causes residual plugs.
Also appear some new technologies of pouring port shutoff at the job site at present in succession, mainly accomplish the shutoff of pouring port through mechanical structure, but its basic structure form is mostly the rotatory shutoff design of slant pouring port, shutoff design under the vertical pouring port platform truck panel etc. these two kinds of novel pouring port shutoff are the shutoff of platform truck template panel below, can all form the concrete protrusion of minizone at the pouring port position after the form removal, moreover, grout leaks the thick liquid scheduling problem easily to appear in above-mentioned two kinds of shutoff modes, cause quality defect. Therefore, the existing plugging mode needs to adopt high-altitude operation equipment to polish the projected and quality defect positions of the concrete.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a blocking device for an arch filling opening of a lining trolley, which has a smooth blocking surface and does not need polishing in the later period.
In order to achieve the above-mentioned purpose, the utility model provides a plugging device for the pouring opening of the arch part of a lining trolley, the arch part of the lining trolley is provided with a panel and a pouring opening, the pouring opening penetrates through the thickness direction of the panel, the plugging device comprises a sealing plate, a top push plate, a driving device and two slide rails, the sealing plate is positioned above the panel, the top push plate, the slide rails and the driving device are all positioned below the panel, the two slide rails are respectively arranged at the left side and the right side of the pouring opening, the slide rails extend along the front-back direction, the two ends of the slide rails are respectively positioned at the front side and the rear side of the pouring opening, the bottom of the sealing plate is provided with at least two connecting rods and at least two slide blocks, the two connecting rods are respectively arranged at the two sides of the sealing plate, the upper parts of the connecting rods are fixedly connected with the sealing plate, the lower parts of the connecting rods penetrate through the panel and are connected with the slide rails, the slide blocks are connected with the corresponding slide rails, the two sides of the top push plate are respectively connected with the corresponding slide blocks, the middle part of the pushing plate is connected with the driving end of the driving device, the driving device drives the sealing plate to slide along the extending direction of the sliding rail through the pushing plate, and the sealing plate can block the filling opening.
According to the scheme, the sealing plate is arranged above the panel, the pushing plate and the driving device are arranged below the panel, and the driving device drives the sealing plate to move back and forth above the panel through the pushing plate so as to open or block the pouring opening, so that after the concrete at the pouring opening is poured, the blocking surface at the pouring opening is flat and is recessed in the concrete surface at the panel part, the concrete is prevented from protruding, the later polishing process is omitted, the construction efficiency is improved, and the time is saved; the push plate which drives the sealing plate is arranged below the panel, so that the push plate is convenient to be connected with the driving device, the avoidance groove which is used for avoiding the push plate can be avoided being formed in the panel, and the structural strength and the sealing performance of the panel are guaranteed. The utility model has simple and quick operation and no grout leakage, can thoroughly solve the quality defect caused by the construction in the prior art, greatly ensures the concrete entity quality of the pouring port accessory, and has extremely obvious field implementation effect.
The sealing device further comprises a plurality of sealing rings, the sealing rings are arranged around the sealing plate, and the sealing rings are connected between the sealing plate and the panel in a sealing mode.
According to the scheme, the sealing ring is arranged, so that cement slurry is prevented from leaking, and the whole full, compact and strength concrete at the filling opening can meet the design requirement.
Further, the sealing ring is provided with an inclined part which extends from one side close to the sealing plate to one side far away from the sealing plate in an inclined manner.
By the scheme, the inclined part is arranged on the sealing ring, so that cement paste can be pushed away easily by the inclined part when the sealing plate drives the sealing ring to move, the sealing plate can move conveniently, and the situation that sealing is not tight due to the fact that the sealing ring is pushed up by the cement paste in the moving process can be prevented.
The further scheme is that two chutes are arranged on the panel, the chutes extend along the extending direction of the sliding rail, and the connecting rod is positioned in the chutes.
The width of the sealing plate is larger than the distance between the two sliding grooves, the length of the sealing plate is larger than twice of the extending length of the sliding grooves, and the pushing plate is positioned in the middle of the sealing plate in the length direction; the sealing plate is blocked above the sliding groove.
According to the scheme, the connecting rod is arranged in the middle of the sealing plate in the length direction, and when the sealing plate is located at the initial position, the front end of the sealing plate blocks the sliding groove; when the sealing plate moves forward and blocks the pouring opening, the rear end of the sealing plate blocks the sliding groove, namely the sealing plate blocks the sliding groove all the time, so that the slurry leakage is prevented.
Further, the thickness of the sealing plate is set to be 2mm to 4mm, and the bottom surface of the sealing plate is adjacent to the top surface of the panel.
It is obvious by above-mentioned scheme, be 2mm to 4mm through setting up the thickness of sealing plate for the concrete pours the back into, forms obscure recess at pouring into mouthful position, with thoroughly solving the difficult problem that need polish the processing in mouthful position later stage.
Drawings
FIG. 1 is a front view of an embodiment of the present invention.
Fig. 2 is an enlarged view at a in fig. 1.
Fig. 3 is a cross-sectional view at B-B in fig. 1.
Fig. 4 is an enlarged view at C in fig. 3.
Fig. 5 is a top view of an embodiment of the present invention.
FIG. 6 is a schematic representation of an embodiment of the present invention as it pumps concrete.
Fig. 7 is a schematic view of an embodiment of the present invention in plugging an infusion port.
Fig. 8 is a schematic view of an embodiment of the present invention when demolded.
The utility model is further explained with reference to the drawings and the embodiments.
Detailed Description
Occluding device embodiment
Referring to fig. 1 to 5, the plugging device provided by the present embodiment is mainly disposed at an arch of a lining trolley, the arch of the lining trolley is provided with a panel 1 and a pouring opening 2, the pouring opening 2 penetrates through the thickness direction of the panel 1, and the plugging device is disposed on the panel 1 and is used for plugging the arch pouring opening 2.
The plugging device comprises a sealing plate 3, a pushing plate 31, a sealing ring 4, a driving device 5 and two sliding rails 6. The sealing plate 3 is arranged above the panel 1 in parallel, the sealing plate 3 is adjacent to the panel 1, the thickness of the sealing plate 3 is set to be 2mm to 4mm, the driving device 5 and the sliding rail 6 are arranged below the panel 1 and fixedly connected to the bottom surface of the panel 1, and the top pushing plate 31 is arranged below the panel 1 in a suspending mode. Two slide rails 6 parallel arrangement are in the left and right sides of pouring into mouth 2, and slide rail 6 extends along the fore-and-aft direction, and the both ends of slide rail 6 are located the front and back both sides of pouring into mouth 2 respectively. The bottom of the sealing plate 3 is provided with four connecting rods 32 and four sliders 33, the connecting rods 32 are arranged on the left side and the right side of the sealing plate 3 in a group two by two, and the connecting rods 32 and the sliders 33 are arranged in a one-to-one correspondence. Two sliding grooves 11 are opened through the panel 1, and the sliding grooves 11 are located below the sliding rails 6 and extend along the extending direction of the sliding rails 6. Two connecting rods 32 on the same side are located in the same sliding groove 11 and can extend along the extending direction of the sliding groove 11, the upper portion of the connecting rod 32 upwards penetrates out of the sliding groove 11 and is fixedly connected with the bottom surface of the sealing plate 3, the lower portion of the connecting rod 32 downwards penetrates out of the sliding groove 11 and is fixedly connected with a sliding block 33, and the sliding block 33 is in sliding connection with the sliding rail 6. The push plate 31 is arranged along the extending direction of the vertical sliding rail, two sides of the push plate 31 are fixedly connected with the corresponding sliding blocks 33 respectively, the middle of the push plate is connected with the driving end of the driving device 5, the driving device 5 is preferably a hydraulic cylinder, the driving device 5 drives the sealing plate 3 to slide along the extending direction of the sliding rail 6 through the push plate 31, namely, the sealing plate slides along the front and back direction, so that the filling opening 2 is conveniently sealed or opened, and the concrete of the filling opening 2 can be easily cut off, sealed and the like. In the present embodiment, the moving direction of the sealing plate 3, i.e., the front-rear direction, is defined as the X direction, and the horizontal plane perpendicular to the moving direction of the sealing plate 3, i.e., the left-right direction, is defined as the Y direction.
In order to prevent concrete slurry from leaking out of the sliding grooves 11, the width of the sealing plate 3 of the present embodiment is greater than the distance between the two sliding grooves 11, the length of the sealing plate 3 is greater than twice the extending length of the sliding grooves 11, the pushing plate 31 is located in the middle of the sealing plate 3 in the length direction, the pushing plate 31 is located outside the pouring opening 2, and the driving device 5 drives the pushing plate 31 to move back and forth in the X direction outside the pouring opening 2. When the pouring opening 2 is in an opening state, the sealing plate 3 is located at an initial position, and the front end of the sealing plate 3 blocks the sliding groove 11; when the sealing plate 3 moves forward and blocks the pouring opening 2, the rear end of the sealing plate 3 blocks the sliding groove 11, namely the sliding groove 11 is blocked by the sealing plate 3 in the whole process, so that the slurry leakage is prevented.
The sealing ring 4 is arranged around the sealing plate 3, and the sealing ring 4 is hermetically connected between the sealing plate 3 and the panel 1. The sealing ring 4 comprises four sealing strips 41, and the four sealing strips 41 enclose a rectangle matched with the sealing plate 3. The seal ring 4 is provided with an inclined portion extending obliquely downward from a side close to the seal plate 3 to a side away from the seal plate 3. In the sealing plate 3 back-and-forth movement in-process, the setting of rake can reduce the resistance of sealing strip 41 and concrete thick liquid on the one hand to upwards push the concrete thick liquid on the panel 1 open, make things convenient for the sealing plate 3 back-and-forth movement, on the other hand can also maintain the upper surface of the panel 1 that closely laminates of sealing strip 41, avoid the concrete thick liquid to get into between sealing plate 3 and the panel 1, prevent that the concrete thick liquid from leaking.
Embodiment of plugging method
Referring to fig. 6 to 8, the plugging method of the plugging device for the arch pouring opening 2 of the lining trolley comprises the following steps:
erecting the plugging device of the embodiment, so that a cavity 9 for accommodating concrete is formed between the panel 1 and the primary support 8, and the pouring port 2 of the plugging device is positioned below the cavity 9 and communicated with the cavity 9;
the concrete conveying pipe 7 is in butt joint and communication with the pouring opening 2, and the concrete conveying pipe 7 is detachably connected by adopting a sealing fixing ring.
Concrete is pumped above the panel 1 through the filling opening 2, before the concrete is pumped, the filling opening 2 is ensured to be in an opening state, and if the sealing plate 3 blocks the filling opening 2, the sealing plate 3 is driven by the driving device 5 to move backwards so as to open the filling opening 2.
After the pouring of the part of the pouring opening 2 is finished, the driving device 5 drives the sealing plate 3 to move forwards quickly while stopping pumping the concrete so as to cut, block and seal the pouring opening 2, at the moment, the concrete above the pouring opening 2 is blocked above the sealing plate 3, and the concrete above the pouring opening 2 is ensured to be compact and not to collapse.
After the pouring of all the concrete of the two lining trolleys is finished, after the concrete is initially set, the formwork is removed and the panel 1 is adjusted downwards, after the panel 1 is adjusted downwards, namely after the sealing plate 3 is separated from the concrete, the driving device 5 drives the sealing plate 3 to move backwards, and the next pouring operation is conveniently carried out.
In conclusion, the sealing plate is arranged above the panel, the pushing plate and the driving device are arranged below the panel, and the driving device drives the sealing plate to move back and forth above the panel through the pushing plate so as to open or block the pouring opening, so that after the concrete at the pouring opening is poured, the blocking surface at the pouring opening is smooth and is sunken on the concrete surface at the panel, the concrete is prevented from protruding, the later polishing process is omitted, the construction efficiency is improved, and the time is saved; the push plate which drives the sealing plate is arranged below the panel, so that the push plate is convenient to be connected with the driving device, the avoidance groove which is used for avoiding the push plate can be avoided being formed in the panel, and the structural strength and the sealing performance of the panel are guaranteed. The utility model has simple and quick operation and no grout leakage, can thoroughly solve the quality defect caused by the construction in the prior art, greatly ensures the concrete entity quality of the pouring port accessory, and has extremely obvious field implementation effect.
Finally, it should be emphasized that the above-described preferred embodiments of the present invention are merely examples of implementations, not limitations, and various changes and modifications may be made by those skilled in the art, without departing from the spirit and scope of the utility model, and any changes, equivalents, improvements, etc. made within the spirit and scope of the present invention are intended to be embraced therein.
Claims (6)
1. The utility model provides a lining cutting platform truck hunch portion fills a mouthful plugging device, the hunch portion of lining cutting platform truck is provided with the panel and fills the mouth, it runs through to fill the mouth the thickness direction of panel, its characterized in that:
the plugging device comprises a sealing plate, a top push plate, a driving device and two slide rails, wherein the sealing plate is positioned above the panel, the top push plate, the slide rails and the driving device are positioned below the panel, the two slide rails are respectively arranged at the left side and the right side of the filling opening, the slide rails extend along the front-back direction, the two ends of the slide rails are respectively positioned at the front side and the rear side of the filling opening, the bottom of the sealing plate is provided with at least two connecting rods and at least two slide blocks, the two connecting rods are respectively arranged at the two sides of the sealing plate, the upper parts of the connecting rods are fixedly connected with the sealing plate, the lower parts of the connecting rods penetrate through the panel to be connected with the slide blocks, the slide blocks are slidably connected with the corresponding slide rails, the two sides of the top push plate are respectively connected with the corresponding slide blocks, and the middle part of the top push plate is connected with the driving end of the driving device, the driving device drives the sealing plate to slide along the extending direction of the sliding rail through the pushing plate, and the sealing plate can block the pouring opening.
2. The lining trolley arch injection port plugging device of claim 1, wherein:
the plugging device further comprises a sealing ring, the sealing ring is arranged on the periphery of the sealing plate, and the sealing ring is connected between the sealing plate and the panel in a sealing mode.
3. The lining trolley arch injection port plugging device of claim 2, wherein:
the seal ring is provided with an inclined portion which extends from a side close to the seal plate to a side far away from the seal plate in a downward inclined manner.
4. A lining trolley arch injection port plugging device according to any one of claims 1 to 3, wherein:
two chutes are formed in the panel, the chutes extend along the extending direction of the sliding rails, and the connecting rods are located in the chutes.
5. The lining trolley arch injection port plugging device of claim 4, wherein:
the width of the sealing plate is larger than the distance between the two sliding grooves, the length of the sealing plate is larger than twice of the extending length of the sliding grooves, the pushing plate is located in the middle of the sealing plate in the length direction, and the sealing plate is blocked above the sliding grooves.
6. The lining trolley arch injection port plugging device of claim 5, wherein:
the sealing plate has a thickness of 2mm to 4mm, and a bottom surface of the sealing plate is adjacent to a top surface of the panel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121528772.4U CN215907867U (en) | 2021-07-01 | 2021-07-01 | Filling opening plugging device for arch part of lining trolley |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121528772.4U CN215907867U (en) | 2021-07-01 | 2021-07-01 | Filling opening plugging device for arch part of lining trolley |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215907867U true CN215907867U (en) | 2022-02-25 |
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ID=80288893
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121528772.4U Active CN215907867U (en) | 2021-07-01 | 2021-07-01 | Filling opening plugging device for arch part of lining trolley |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215907867U (en) |
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2021
- 2021-07-01 CN CN202121528772.4U patent/CN215907867U/en active Active
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