CN210239692U - Rotary material distribution device for tunnel secondary lining - Google Patents
Rotary material distribution device for tunnel secondary lining Download PDFInfo
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- CN210239692U CN210239692U CN201920960387.3U CN201920960387U CN210239692U CN 210239692 U CN210239692 U CN 210239692U CN 201920960387 U CN201920960387 U CN 201920960387U CN 210239692 U CN210239692 U CN 210239692U
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Abstract
The utility model provides a rotatory distributing device for tunnel secondary lining, including platform truck and concrete pump truck, still include rotary reduction gear, flexible pump line, pan feeding pipe, rotary reduction gear installs on the platform truck, the pipeline that is connected with the concrete pump truck is inserted to rotary reduction gear's input, rotary reduction gear's output can rotate on the horizontal plane; the telescopic pump pipe is horizontally arranged and is connected with the output end of the rotary speed reducer through a bent pipe; a plurality of feeding joints are annularly arranged outside the telescopic pump pipe, one ends of the feeding pipes are respectively connected with the feeding joints, and the other ends of the feeding pipes respectively extend to the top and two sides of the trolley; the telescopic pump pipe comprises an inner sliding sleeve connected with the concrete pump truck through a pipeline, an outer sliding sleeve sleeved outside the inner sliding sleeve and a sealing mechanism arranged between the outer sliding sleeve and the inner sliding sleeve.
Description
Technical Field
The utility model belongs to the technical field of tunnel lining device, concretely relates to a rotatory distributing device for two linings in tunnel.
Background
At present, concrete feeding pipes are arranged on two sides and the top of a trolley for tunnel lining cloth machine construction, concrete in a concrete pump trolley is fed into the feeding pipes on the trolley through pipelines to line a tunnel, a pouring trolley is required to be arranged on the trolley to drive the pipelines to be in butt joint with different feeding pipes, the pipelines used by a common tunnel lining trolley adopt steel pipelines, and the pouring trolley is required to drive a pipeline outlet to be in butt joint with different feeding pipes on two sides and the top of the trolley respectively by means of a rotating tool due to the fact that the weight of the steel pipes is large, and the steel pipes are heavy and have no elasticity or flexibility, so that the pouring trolley drives the pipelines to move and rotate difficultly, and further the tunnel lining efficiency is not high; in addition, because of the pan feeding pipe is more and the position differs, need set up the telescopic pump line on pouring the dolly, through the pump line extend to with pan feeding pipe butt joint in order to put through the pan feeding pipeline, the pump line is two sections pipeline sections that cup joint inside and outside usually, the outer tube section is for the extension of inner tube section or withdrawal in order to realize the flexible of pump line, the cloth in-process, the concrete easily enters into the gap between inside and outside pipe section to the wearing and tearing pipeline section causes flexible difficulty, thereby influences the durability and the stability of pump line.
SUMMERY OF THE UTILITY MODEL
Based on above problem, the utility model aims to provide a rotatory distributing device for two linings in tunnel, it has simple structure, the cloth is fast, the simple operation's advantage.
In order to realize the above purpose, the utility model discloses a technical scheme be: a rotary material distribution device for a tunnel secondary lining comprises a trolley, a concrete pump truck, a rotary speed reducer, a telescopic pump pipe and a feeding pipe, wherein the rotary speed reducer is installed on the trolley, the input end of the rotary speed reducer is connected to a pipeline connected with the concrete pump truck, and the output end of the rotary speed reducer can rotate on the horizontal plane; the telescopic pump pipe is horizontally arranged and is connected with the output end of the rotary speed reducer through a bent pipe; a plurality of feeding joints are annularly arranged outside the telescopic pump pipe, one ends of the feeding pipes are respectively connected with the feeding joints, and the other ends of the feeding pipes respectively extend to the top and two sides of the trolley; the telescopic pump pipe comprises an inner sliding sleeve connected with the concrete pump truck through a pipeline, an outer sliding sleeve sleeved outside the inner sliding sleeve and a sealing mechanism arranged between the outer sliding sleeve and the inner sliding sleeve.
During the use, concrete among the mobile concrete pump passes through the pipeline and gets into flexible pump line, it is rotatory to drive flexible pump line through the rotation reduction gear, outer sliding sleeve extension and with the pan feeding pipe butt joint after, can send into the pan feeding intraductal and carry out the lining cutting to the tunnel with the concrete through the income joint, sealing mechanism carries out the shutoff with the gap between inner sliding sleeve and the outer sliding sleeve, after outer sliding sleeve extension pan feeding, the outer sliding sleeve inner wall is stained with the concrete, when the shrink of outer sliding sleeve, block the concrete of outer sliding sleeve inner wall through sealing mechanism, thereby avoid the concrete to get into the clearance between inner sliding sleeve and the outer sliding sleeve.
The sealing mechanism comprises an upper-layer wear-resistant sleeve and a lower-layer wear-resistant sleeve which are sequentially arranged between the inner sliding sleeve and the outer sliding sleeve from top to bottom, wherein the upper-layer wear-resistant sleeve is annularly embedded on the outer wall of an opening at the upper end of the inner sliding sleeve, and the lower-layer wear-resistant sleeve is annularly embedded on the inner wall of an opening at the lower end of the outer sliding sleeve.
Optimized, still set up the through-hole on the outer sliding sleeve, the through-hole sets up between wear-resisting cover of lower floor and the wear-resisting cover of upper strata, and is sealed through upper and lower two-layer wear-resisting cover because of the gap between inner sliding sleeve and the outer sliding sleeve, in order to avoid leading to the fact the flexible difficult problem of outer sliding sleeve because of the low outer sliding sleeve of gap internal gas pressure.
Preferably, a step-shaped groove is formed in the inner wall of an opening at the lower end of the outer sliding sleeve, a gland is further sleeved outside the inner sliding sleeve, the lower portion of the outer sliding sleeve is fixedly connected with the gland, the lower-layer wear-resistant sleeve is embedded between the step-shaped groove and the gland, specifically, a connecting flange protruding outwards in the radial direction is arranged at the lower end of the outer sliding sleeve, and the connecting flange is fixedly connected with the gland through bolts; the position of the lower-layer wear-resistant sleeve is limited by the gland, and the lower-layer wear-resistant sleeve can be replaced after the gland is disassembled.
Preferably, a connecting piece is arranged outside the pouring trolley, a connecting piece is arranged outside the elbow, the bottom of the connecting piece is connected with the output end of the rotary speed reducer, a pipeline of the concrete pump truck sequentially penetrates through the input end and the output end of the rotary speed reducer and then is connected with one end of the elbow through a rotary pipeline joint, and the lower end of the inner sliding sleeve of the telescopic pump pipe penetrates through the side part of the connecting piece and then is connected with the other end of the elbow through the rotary pipeline joint; the outer sliding sleeve is connected with the connecting piece through the telescopic driving mechanism, and when the telescopic pump pipe is used, the rotary speed reducer drives the connecting piece to rotate so as to drive the telescopic pump pipe to rotate, so that the outer sliding sleeve can be butted with different feeding joints.
The outer sliding sleeve is provided with two axially symmetrical connecting lugs outside, the telescopic driving mechanism is an oil cylinder, the cylinder bodies of the two oil cylinders which are arranged in parallel are respectively hinged with the connecting piece, the piston rods are respectively hinged with the two connecting lugs outside the outer sliding sleeve, and when the telescopic driving mechanism is used, the piston rods of the oil cylinders extend or contract to drive the outer sliding sleeve to extend or retract relative to the inner sliding sleeve; furthermore, the two oil cylinders are arranged in parallel, and the flow of the two oil cylinders is adjusted through the hydraulic ball valve so as to ensure that the two oil cylinders stretch synchronously.
More specifically, the rotary speed reducer is connected with a hydraulic motor, the hydraulic motor and the oil cylinder are connected with a hydraulic control system, and the rotation of the rotary speed reducer and the expansion and contraction of the oil cylinder are controlled by the hydraulic control system; preferably, the control unit of the hydraulic control system adopts a remote control module, the remote control module comprises a remote controller, a receiver and a central processing unit which are sequentially in communication connection, and when the hydraulic control system is used, the controller sends a signal to the receiver so as to control the turning-off of the rotary speed reducer and the stretching of the oil cylinder.
Specifically, the bent pipe is a quarter arc bent pipe.
Specifically, the feeding pipe extending to the top of the trolley extends horizontally from the feeding joint connected with the feeding pipe, and then turns and vertically extends to a pouring opening at the top of the trolley; the feeding pipes extending to the two sides of the trolley extend horizontally from feeding joints connected with the feeding pipes, and then extend to a plurality of layers of side pouring openings sequentially arranged on the two sides of the trolley from top to bottom after turning; and conveying the concrete to different pouring openings through different feeding pipes.
Optimized, the outside annular pipe support of flexible pump line is located to the collar on the platform truck, a plurality of pan feeding connect install in proper order on annular pipe support and with the outer sliding sleeve port adaptation of flexible pump line, connect the pan feeding through annular pipe support and carry out firm installation.
The utility model has the advantages that:
(1) the utility model provides a rotatory distributing device for tunnel secondary lining, the collocation of rotation reduction gear and flexible pump line forms horizontal rotation type pan feeding system, get the material to the mobile concrete pump through flexible pump line, pass through the rotation reduction gear with flexible pump line turn to the pan feeding joint relative position with different pan feeding pipes, outer sliding sleeve can dock with the pan feeding joint after the extension, thereby realize tunnel top or lateral part lining cutting, sealing mechanism carries out the shutoff with the gap between outer sliding sleeve and the inner sliding sleeve, thereby avoid the concrete to bond between inner sliding sleeve and outer sliding sleeve and influence its wearability and durability; the utility model discloses pipe-line system is simple reasonable, and the clearance of being convenient for, after the pipeline had carried the concrete, utilize the spherical pig just can be to the whole clearance of interior concrete of pipeline, no construction pollution.
(2) The utility model provides a rotatory distributing device for two linings in tunnel cancels the dolly of pouring at traditional platform truck top and the vertical running gear of dolly and the dilatory pipe that corresponds, reduces the construction interference that vertical walking brought, reduces elbow quantity on pipeline length and the pipeline, and the concrete flow is more smooth and easy, and the top does not have the walking dolly, and the construction security is higher, and effective working face is wideer.
Drawings
Fig. 1 is a schematic view of a rotary distribution device for a tunnel secondary lining provided by the present invention;
FIG. 2 is an enlarged view taken at A in FIG. 1;
FIG. 3 is a side view of a rotary distribution device for a tunnel secondary lining according to an embodiment;
FIG. 4 is a top view of a rotary distribution device for a tunnel secondary lining according to an embodiment;
FIG. 5 is a schematic view of a telescoping pump tube;
the system comprises a trolley 1, a concrete pump truck 2, a rotary speed reducer 3, a telescopic pump pipe 4, an inner sliding sleeve 41, an outer sliding sleeve 42, an upper-layer wear-resistant sleeve 43, a lower-layer wear-resistant sleeve 44, a gland 45, a connecting lug 46, a feeding pipe 5, a feeding joint 6, a telescopic driving mechanism 7, a connecting piece 8, an annular pipe support 9 and an elbow 10.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Examples
As shown in fig. 1, 2, and 3, the present embodiment provides a rotary material distribution device for a tunnel secondary lining, which includes a trolley 1 and a concrete pump truck 2, and further includes a rotary speed reducer 3, a telescopic pump pipe 4, and a material feeding pipe 5, where the rotary speed reducer 3 is installed on the trolley 1, an input end of the rotary speed reducer 3 is connected to a pipeline connected to the concrete pump truck 2, and an output end of the rotary speed reducer 3 can rotate on a horizontal plane; the telescopic pump pipe 4 is horizontally arranged and is connected with the output end of the rotary speed reducer 3 through a bent pipe 10; a plurality of feeding joints 6 are annularly arranged outside the telescopic pump pipe 4, as shown in fig. 4, an annular pipe frame 9 annularly arranged outside the telescopic pump pipe 4 is installed on the trolley 1, and the plurality of feeding joints 6 are sequentially installed on the annular pipe frame 9 and are matched with the port of the outer sliding sleeve 42 of the telescopic pump pipe 4; one end of each of the feeding pipes 5 is connected with the feeding joints 6, the other end of each of the feeding pipes extends to the top and two sides of the trolley 1, the feeding pipes 5 extending to the top of the trolley 1 extend horizontally from the feeding joints 6 connected with the feeding pipes, and then the feeding pipes turn and vertically extend to a pouring opening in the top of the trolley 1; the feeding pipes 5 extending to the two sides of the trolley 1 extend horizontally from feeding joints 6 connected with the feeding pipes, and then extend to a plurality of layers of side pouring openings sequentially arranged from top to bottom on the two sides of the trolley 1 after turning; as shown in fig. 5, the telescopic pump pipe 4 includes an inner sliding sleeve 41 connected with the concrete pump truck 2 through a pipeline, an outer sliding sleeve 42 sleeved outside the inner sliding sleeve 41, and a sealing mechanism disposed between the outer sliding sleeve 42 and the inner sliding sleeve 41; the sealing mechanism comprises an upper-layer wear-resistant sleeve 43 and a lower-layer wear-resistant sleeve 44 which are sequentially arranged between the inner sliding sleeve 41 and the outer sliding sleeve 42 from top to bottom, wherein a connecting piece 8 is arranged outside the elbow 10, the bottom of the connecting piece 8 is connected with the output end of the rotary speed reducer 3, a pipeline of the concrete pump truck 2 is connected with one end of the elbow 10 through a rotary pipeline joint after sequentially passing through the input end and the output end of the rotary speed reducer 3, and the lower end of the inner sliding sleeve 41 of the telescopic pump pipe 4 is connected with the other end of the elbow 10 through the rotary pipeline joint after passing through the side; the outer sliding sleeve 42 is connected with the connecting piece 8 through a telescopic mechanism; the upper wear-resistant sleeve 43 is annularly embedded in the outer wall of the opening at the upper end of the inner sliding sleeve 41, and the lower wear-resistant sleeve 44 is annularly embedded in the inner wall of the opening at the lower end of the outer sliding sleeve 42; a step-shaped groove is formed in the inner wall of an opening at the lower end of the outer sliding sleeve 42, a gland 45 is further sleeved outside the inner sliding sleeve 41, the lower portion of the outer sliding sleeve 42 is fixedly connected with the gland 45, and the lower-layer wear-resistant sleeve 44 is embedded between the step-shaped groove and the gland 45; two axially symmetrical connecting lugs 46 are arranged outside the outer sliding sleeve 42, the telescopic mechanism is an oil cylinder, the cylinder bodies of the two oil cylinders which are arranged in parallel are respectively hinged with the connecting piece 8, and the piston rods are respectively hinged with the two connecting lugs 46 outside the outer sliding sleeve 42; the rotary speed reducer 3 is connected with a hydraulic motor, the hydraulic motor and the oil cylinder are connected with a hydraulic control system, a control unit of the hydraulic control system adopts a remote control module, and the remote control module comprises a remote controller, a receiver and a central processing unit which are sequentially in communication connection.
The above embodiments of the present invention are merely examples for illustrating the present invention and are not intended to limit the embodiments of the present invention. Variations and modifications in other variations will occur to those skilled in the art upon reading the foregoing description. Not all embodiments are exhaustive. All obvious changes or variations which are introduced by the technical solution of the present invention are still within the scope of the present invention.
Claims (10)
1. A rotary material distribution device for a tunnel secondary lining comprises a trolley and a concrete pump truck, and is characterized by further comprising a rotary speed reducer, a telescopic pump pipe and a feeding pipe, wherein the rotary speed reducer is installed on the trolley, the input end of the rotary speed reducer is connected to a pipeline connected with the concrete pump truck, and the output end of the rotary speed reducer can rotate on the horizontal plane; the telescopic pump pipe is horizontally arranged and is connected with the output end of the rotary speed reducer through a bent pipe; a plurality of feeding joints are annularly arranged outside the telescopic pump pipe, one ends of the feeding pipes are respectively connected with the feeding joints, and the other ends of the feeding pipes respectively extend to the top and two sides of the trolley; the telescopic pump pipe comprises an inner sliding sleeve connected with the concrete pump truck through a pipeline, an outer sliding sleeve sleeved outside the inner sliding sleeve and a sealing mechanism arranged between the outer sliding sleeve and the inner sliding sleeve.
2. The rotary distribution device for the tunnel secondary lining as claimed in claim 1, wherein the sealing mechanism comprises an upper wear-resistant sleeve and a lower wear-resistant sleeve which are sequentially arranged between the inner sliding sleeve and the outer sliding sleeve from top to bottom, wherein the upper wear-resistant sleeve is annularly embedded in an outer wall of an opening at the upper end of the inner sliding sleeve, and the lower wear-resistant sleeve is annularly embedded in an inner wall of an opening at the lower end of the outer sliding sleeve.
3. The rotary distribution device for the tunnel secondary lining according to claim 1 or 2, wherein the outer sliding sleeve is further provided with a through hole.
4. The rotary distribution device for the tunnel secondary lining according to claim 2, wherein a step-shaped groove is formed in the inner wall of the opening at the lower end of the outer sliding sleeve, a gland is further sleeved outside the inner sliding sleeve, the lower portion of the outer sliding sleeve is fixedly connected with the gland, and the lower wear-resistant sleeve is embedded between the step-shaped groove and the gland.
5. The rotary distribution device for the tunnel secondary lining according to claim 2, wherein a connecting piece is arranged outside the elbow, the bottom of the connecting piece is connected with the output end of the rotary speed reducer, a pipeline of the concrete pump truck sequentially passes through the input end and the output end of the rotary speed reducer and then is connected with one end of the elbow through a rotary pipeline joint, and the lower end of the inner sliding sleeve of the telescopic pump pipe passes through the side part of the connecting piece and then is connected with the other end of the elbow through the rotary pipeline joint; the outer sliding sleeve is connected with the connecting piece through a telescopic driving mechanism.
6. The rotary distribution device for the tunnel secondary lining according to claim 5, wherein two axially symmetrical connection lugs are arranged outside the outer sliding sleeve, the telescopic driving mechanism is an oil cylinder, the cylinder bodies of the two oil cylinders arranged in parallel are respectively hinged with the connecting piece, and the piston rods are respectively hinged with the two connection lugs outside the outer sliding sleeve.
7. The rotary distribution device for the tunnel secondary lining according to claim 5, wherein the rotary speed reducer is connected with a hydraulic motor, the hydraulic motor and the oil cylinder are connected with a hydraulic control system, a control unit of the hydraulic control system adopts a remote control module, and the remote control module comprises a remote controller, a receiver and a central processing unit which are sequentially in communication connection.
8. The rotary distribution device for a tunnel secondary lining according to claim 1, wherein the elbow is a quarter-arc elbow.
9. The rotary distribution device for the tunnel secondary lining according to claim 1, wherein the feeding pipe extending to the top of the trolley extends horizontally from a feeding joint connected with the feeding pipe, and then vertically extends to a pouring port at the top of the trolley after turning; the feeding pipes extending to the two sides of the trolley extend horizontally from feeding joints connected with the feeding pipes, and then turn and extend to a plurality of layers of side pouring openings sequentially arranged on the two sides of the trolley from top to bottom.
10. The rotary distribution device for the tunnel secondary lining according to claim 1, wherein the trolley is provided with an annular pipe frame annularly arranged outside the telescopic pump pipe, and the plurality of feeding joints are sequentially arranged on the annular pipe frame and are matched with an outer sliding sleeve port of the telescopic pump pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920960387.3U CN210239692U (en) | 2019-06-25 | 2019-06-25 | Rotary material distribution device for tunnel secondary lining |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920960387.3U CN210239692U (en) | 2019-06-25 | 2019-06-25 | Rotary material distribution device for tunnel secondary lining |
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| CN210239692U true CN210239692U (en) | 2020-04-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920960387.3U Active CN210239692U (en) | 2019-06-25 | 2019-06-25 | Rotary material distribution device for tunnel secondary lining |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110130941A (en) * | 2019-06-25 | 2019-08-16 | 成都锐龙机械制造有限公司 | A kind of rotary distributing device for tunnel double-lining |
| CN113958340A (en) * | 2020-07-21 | 2022-01-21 | 中铁一局集团有限公司 | Pouring mechanism and method for rotary lining trolley |
-
2019
- 2019-06-25 CN CN201920960387.3U patent/CN210239692U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110130941A (en) * | 2019-06-25 | 2019-08-16 | 成都锐龙机械制造有限公司 | A kind of rotary distributing device for tunnel double-lining |
| CN113958340A (en) * | 2020-07-21 | 2022-01-21 | 中铁一局集团有限公司 | Pouring mechanism and method for rotary lining trolley |
| CN113958340B (en) * | 2020-07-21 | 2024-01-23 | 中铁一局集团有限公司 | Rotary lining trolley pouring mechanism and method |
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