CN216513566U - Tunnel steam maintenance platform truck - Google Patents
Tunnel steam maintenance platform truck Download PDFInfo
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- CN216513566U CN216513566U CN202122462488.8U CN202122462488U CN216513566U CN 216513566 U CN216513566 U CN 216513566U CN 202122462488 U CN202122462488 U CN 202122462488U CN 216513566 U CN216513566 U CN 216513566U
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Abstract
The utility model discloses a tunnel steam curing trolley which comprises a rack, traveling wheels and a steam curing trolley body, wherein the traveling wheels are arranged at the bottom of the rack; the steam health-preserving pipeline group comprises a steam health-preserving pipeline, a connecting rod and a regulating device; the steam curing pipelines are arranged at intervals along the circumferential direction of the rack to form an arc shape, and the steam curing pipelines are provided with nozzles along the length direction; one end of the connecting rod is connected with the middle part of the steam health-preserving pipeline, and the other end of the connecting rod is connected with the rack through the adjusting device; the adjusting device can drive the connecting rod to move along the rack; steam generator, steam generator set up in the frame, and steam generator is last to be provided with the outlet duct, and the tip of outlet duct is provided with a plurality of branch pipes, a plurality of branch pipes respectively with a plurality of steam health preserving pipeline intercommunication. This tunnel steam maintenance platform truck can adapt to the tunnel of different width and height to increase the construction flexibility.
Description
Technical Field
The utility model relates to the field of tunnel concrete curing, in particular to a tunnel steam curing trolley.
Background
Curing temperatures have a large impact on the rate of development of early properties of concrete. The higher the curing temperature, the faster the strength develops. When the temperature is lower than a certain limit value, the hydration reaction of the cement is not carried out any more, the strength of the concrete stops developing, and under the condition that the temperature is lower than 0 ℃, the water in the concrete begins to freeze, so that the concrete is damaged by freezing. Meanwhile, the environment of the early concrete does not keep sufficient temperature and humidity, so that the concrete bears the tensile stress of a contraction bow in a low-strength state, and the early cracks of the concrete are caused. Therefore, in low-temperature and below-zero-degree areas, steam is generally selected for curing, namely steam curing. The steam curing is to set up a curing shed outside the concrete member, the steam curing trolley sprays steam, the steam is introduced to heat the concrete, the cement and the auxiliary cementing material are quickly hardened, the demolding strength is quickly reached, the template turnover and the production efficiency are accelerated, so that the requirements of the concrete on the temperature and the humidity in the early curing process are met, and the strength and various performances of the construction concrete in the winter are met.
At present, the current steam maintenance platform truck is fixed dimension mostly, to the tunnel of co-altitude, width, is not convenient for adjust to lead to the platform truck that needs the construction side to prepare multiple model, thereby increase the maintenance cost. And brings no change to production.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects in the prior art, the utility model aims to provide a tunnel steam curing trolley which can adapt to tunnels with different widths and heights so as to increase the construction flexibility.
In order to achieve the purpose, the utility model is realized by the following technical scheme: a tunnel steam maintenance trolley comprising:
a frame;
the travelling wheels are arranged at the bottom of the rack and can travel in the tunnel;
the steam curing pipeline group comprises steam curing pipelines, connecting rods and adjusting devices; the steam curing pipelines are arranged along the circumferential direction of the rack at intervals, and a plurality of nozzles are arranged on the steam curing pipelines along the length direction of the steam curing pipelines at intervals; one end of the connecting rod is connected with the middle part of the steam curing pipeline, and the other end of the connecting rod is connected with the rack through the adjusting device; adjusting the adjusting device, and driving the connecting rod to move along the radial direction of the tunnel;
the steam generator is arranged in the rack, an air outlet pipe is arranged on the steam generator, a plurality of branch pipes are arranged at the end part of the air outlet pipe, and the branch pipes are communicated with the steam curing pipelines respectively.
Further, the frame includes arch support frame and bottom link, the bottom link is connected the both ends of arch support frame, steam generator arranges in on the bottom link.
Furthermore, the adjusting device comprises a rotary power source and a gear, the rotary power source is arranged on the arched support frame, the gear is arranged on a power output shaft of the rotary power source, a jack is radially arranged on the arched support frame along the arched support frame, the end part of the connecting rod can be slidably inserted into the jack, a rack is arranged outside the connecting rod along the height direction, and the rack is meshed with the gear.
Further, the frame still includes the inner tower, the inner tower includes ladder and roof-rack, the ladder has two, two the relative, vertical setting of ladder is in on the bottom link, the roof-rack is connected two the top of ladder.
Further, the steam curing pipeline is arc-shaped.
Further, the nozzles at both ends of each steam curing pipe are inclined outward.
The utility model has the beneficial effects that:
the tunnel steam curing trolley comprises a rack, traveling wheels, a steam curing pipeline group and a steam generator, wherein the steam curing pipeline group comprises a steam curing pipeline, a connecting rod and an adjusting device; the steam curing pipelines are arranged along the circumferential direction of the rack at intervals, and a plurality of nozzles are arranged on the steam curing pipelines along the length direction of the steam curing pipelines at intervals; one end of the connecting rod is connected with the middle part of the steam curing pipeline, and the other end of the connecting rod is connected with the rack through the adjusting device; and the adjusting device can drive the connecting rod to move along the radial direction of the tunnel. Steam generator, steam generator set up in the frame, and steam generator is last to be provided with the outlet duct, and the tip of outlet duct is provided with a plurality of branch pipes, a plurality of branch pipes respectively with a plurality of steam health preserving pipeline intercommunication.
Adopt this tunnel steam maintenance platform truck, after the change of outside tunnel shape, through adjusting each adjusting device, the drive connecting rod is along tunnel radial movement to the circular arc size in whole steam health preserving pipeline group besieged city can be adjusted, the size in adaptation tunnel from this, thereby reach the purpose of nimble construction and reduce cost.
Drawings
In order to more clearly illustrate the embodiments of the present invention, the drawings, which are required to be used in the embodiments, will be briefly described below. In all the drawings, the elements or parts are not necessarily drawn to actual scale.
FIG. 1 is a schematic view of a tunnel steam maintenance truck according to an embodiment of the present invention;
FIG. 2 is a partial schematic view of FIG. 1 at A;
FIG. 3 is a schematic view of the tunnel steam curing trolley shown in FIG. 1 after the steam curing pipes are retracted;
FIG. 4 is a side elevational view of the inner frame of the tunnel steam maintenance trolley of FIG. 1;
reference numerals:
100. a frame; 110. an arched support frame; 120. a bottom connecting frame; 130. an inner frame; 131. a ladder; 132. a top frame; 200. a traveling wheel; 300. a steam health-preserving pipeline group; 310. a steam health preserving pipeline; 320. a connecting rod; 330. an adjustment device; 331. a source of rotational power; 332. a gear; 333. a rack; 340. A nozzle; 400. a steam generator; 410. and (4) branch pipes.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.
Referring to fig. 1 to 4, the present invention provides a tunnel steam maintenance trolley, which includes a frame 100, a traveling wheel 200, a steam maintenance pipe set 300, and a steam generator 400, and is capable of performing steam maintenance on a tunnel.
Referring to fig. 1, 3 and 4, and in particular, referring to fig. 1 and 3, in the present embodiment, the rack 100 includes an arched support frame 110 and a bottom connection frame 120, the bottom connection frame 120 is connected to both ends of the arched support frame 110, and the steam generator 400 is disposed on the bottom connection frame 120.
In a preferred embodiment, the frame 100 further includes an internal frame 130, the internal frame 130 including a ladder 131 and a top frame 132. The ladders 131 are two, two ladders 131 are oppositely and vertically arranged on the bottom connecting frame 120, and the top frame 132 is connected to the tops of the two ladders 131. In use, an operator may stand on the ladder 131 or climb up the roof rack 132 via the ladder 131 for relevant operations and maintenance.
Referring to fig. 1, 2 and 3, the traveling wheels 200 are disposed at the bottom of the frame 100, and the traveling wheels 200 may be universal wheels with a self-locking function. The steam curing pipe group 300 includes steam curing pipes 310, connecting rods 320, and adjusting means 330. The steam curing pipes 310 are hollow pipes with two closed ends, the number of the steam curing pipes 310 is multiple, and the plurality of steam curing pipes 310 are arranged at intervals along the circumferential direction of the rack 100 to form an arc shape. In this embodiment, the steam curing pipe 310 may preferably be curved to accommodate a tunnel having a curved shape.
The steam curing pipe 310 is provided with a plurality of nozzles 340 at intervals along the length direction thereof. The nozzle 340 can spray the steam in the steam curing pipe 310 in a spray shape. One end of the connecting rod 320 is connected with the middle part of the steam curing pipe 310, and the other end of the connecting rod 320 is connected with the frame 100 through the adjusting device 330. The adjusting device 330 can drive the connecting rods 320 to move along the radial direction of the tunnel. When the shape of the outer tunnel is changed, the driving connecting rod 320 moves along the rack 100 by adjusting each adjusting device 330, so that the size of the circular arc of the entire steam curing pipe group 300 can be adjusted, thereby adapting to different inner dimensions of the tunnel.
The steam generator 400 is provided with an air outlet pipe, the end part of the air outlet pipe is provided with a plurality of branch pipes 410, and the plurality of branch pipes 410 are respectively communicated with the plurality of steam curing pipelines 310. In use, the steam generator 400 is turned on, and steam is delivered to each steam curing pipe 310 through the outlet pipe and the branch pipe 410 and sprayed out through the nozzle 340.
Referring to fig. 1 and 3, it is preferable that the nozzles 340 at both ends of each steam curing pipe 310 are inclined outward, and when steam is injected, the steam injected from the nozzles 340 at the ends of two adjacent steam curing pipes 310 can cross each other, thereby preventing the steam from being not injected between the two steam curing pipes 310.
In the present embodiment, the adjustment device 330 includes a rotary power source 331 and a gear 332. The rotating power source 331 is disposed on the arched support 110, and the rotating power source 331 may preferably be a conventional rotating motor capable of rotating in both directions, but may alternatively be a manual rotating type. The gear 332 is provided on the power output shaft of the rotary power source 331. The arched support 110 is provided with radial insertion holes. The end of the connecting rod 320 is slidably inserted into the insertion hole, a rack 333 is provided outside the connecting rod 320 in the height direction, and the rack 333 is engaged with the gear 332.
During the use, only need start rotary power source 331, then accessible gear 332 and rack 333, drive connecting rod 320 slides along the jack, and then drives steam health preserving pipeline 310 and remove to change steam health preserving pipeline and enclose into the arc shape along the circumference interval arrangement of frame 100, with this size that adapts to different tunnels.
The use mode of the tunnel steam curing trolley is as follows:
during the use, the operator stands earlier on ladder 131 or on roof-rack 132, again according to tunnel to inside dimension, start rotary power source 331, the distance of adjustment steam health preserving pipeline 310 extension, after a plurality of steam health preserving pipelines 310 enclose into circular arc shape along the circumference interval arrangement of frame 100 and tunnel to inside dimension adaptation, start steam generator 400, spout in nozzle 340 after steam gets into steam health preserving pipeline 310, then can promote tunnel steam maintenance platform truck, carry out steam maintenance to the tunnel inside.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; while the utility model has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention, and they should be construed as being included in the following claims and description.
Claims (6)
1. A tunnel steam maintenance trolley, comprising:
a frame;
the travelling wheels are arranged at the bottom of the rack and can travel in the tunnel;
the steam curing pipeline group comprises steam curing pipelines, connecting rods and adjusting devices; the steam curing pipelines are arranged along the circumferential direction of the rack at intervals, and a plurality of nozzles are arranged on the steam curing pipelines along the length direction of the steam curing pipelines at intervals; one end of the connecting rod is connected with the middle part of the steam curing pipeline, and the other end of the connecting rod is connected with the rack through the adjusting device; adjusting the adjusting device, and driving the connecting rod to move along the radial direction of the tunnel;
the steam generator is arranged in the rack, an air outlet pipe is arranged on the steam generator, a plurality of branch pipes are arranged at the end part of the air outlet pipe, and the branch pipes are communicated with the steam curing pipelines respectively.
2. The tunnel steam maintenance trolley of claim 1, wherein the frame includes an arched support frame and a bottom link frame, the bottom link frame is connected to both ends of the arched support frame, and the steam generator is disposed on the bottom link frame.
3. The tunnel steam maintenance trolley of claim 2, wherein the adjusting device comprises a rotary power source and a gear, the rotary power source is arranged on the arched support frame, the gear is arranged on a power output shaft of the rotary power source, a jack is arranged on the arched support frame along the radial direction of the arched support frame, the end of the connecting rod can be slidably inserted into the jack, a rack is arranged on the outer portion of the connecting rod along the height direction, and the rack is meshed with the gear.
4. The tunnel steam maintenance trolley of claim 2, wherein said frame further comprises an internal frame, said internal frame including two ladders and a top frame, said two ladders being vertically disposed opposite each other on said bottom connecting frame, said top frame being attached to the tops of said two ladders.
5. The tunnel steam maintenance trolley of claim 1, wherein the steam maintenance pipe is arcuate.
6. A tunnel steam curing trolley according to claim 5 wherein the nozzles at each end of the steam curing line are angled outwardly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122462488.8U CN216513566U (en) | 2021-10-12 | 2021-10-12 | Tunnel steam maintenance platform truck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122462488.8U CN216513566U (en) | 2021-10-12 | 2021-10-12 | Tunnel steam maintenance platform truck |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216513566U true CN216513566U (en) | 2022-05-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122462488.8U Active CN216513566U (en) | 2021-10-12 | 2021-10-12 | Tunnel steam maintenance platform truck |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216513566U (en) |
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2021
- 2021-10-12 CN CN202122462488.8U patent/CN216513566U/en active Active
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