CN220847166U - Concrete flow symmetrical adjusting device - Google Patents
Concrete flow symmetrical adjusting device Download PDFInfo
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- CN220847166U CN220847166U CN202322567771.6U CN202322567771U CN220847166U CN 220847166 U CN220847166 U CN 220847166U CN 202322567771 U CN202322567771 U CN 202322567771U CN 220847166 U CN220847166 U CN 220847166U
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- 238000010276 construction Methods 0.000 abstract description 16
- 230000001105 regulatory effect Effects 0.000 abstract description 9
- 238000007789 sealing Methods 0.000 abstract description 4
- 239000002699 waste material Substances 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 2
- 238000005266 casting Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
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- On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
Abstract
The utility model discloses a symmetrical concrete flow regulating device, which is a T-shaped three-way symmetrical conveying structure and comprises: the T-shaped three-way pump pipe consists of a main pump pipe and two branch pump pipes which are vertically communicated with the main pump pipe, and concrete is input by the main pump pipe and output from the two branch pump pipes to two ends; the pump distributing pipes are respectively connected with the concrete pouring outlet end through the same ball valve opening and closing mechanism; the ball valve opening and closing mechanism consists of a V-shaped ball valve and a hydraulic opening and closing system. The device is suitable for concrete conveying of cantilever symmetrical construction, can ensure that concrete of cantilevers at two ends is poured simultaneously, avoids unbalanced moment, adopts a V-shaped ball valve design, has good sealing performance, can effectively prevent accidents caused by blockage of a pump pipe valve, and can accurately regulate the flow of concrete; the hydraulic system of the device is axially arranged along the pump cylinder, the vertical construction space is reasonably utilized, the waste of the horizontal construction space is avoided, and the utilization rate of the construction site is greatly improved.
Description
Technical Field
The utility model relates to the technical field of civil engineering bridge construction equipment design, in particular to a concrete flow symmetrical adjusting device suitable for cantilever symmetrical construction.
Background
At present, when a T-shaped cantilever is symmetrically constructed on a high pier large span continuous rigid frame bridge, a ground pump truck is generally utilized to convey concrete to an upper structure of the bridge in a form of a one-way pump pipe, a gate valve type flow regulating device is used for regulating conveying flow of concrete on two sides of the T-shaped cantilever, and a hydraulic system placed along the radial direction of the pump pipe is used as switching power of the flow regulating device.
However, the use of the above-described conventional concrete casting method may cause the following problems: the adoption of the unidirectional pump pipe can not ensure the balanced pouring of concrete at two sides of the T-shaped cantilever, and the unbalanced moment generated by the cantilevers at two ends is extremely easy to cause; the sealing performance of the gate valve is poor, leakage is easy to occur, so that the pump pipe valve is blocked, safety accidents occur, and the gate valve cannot accurately adjust the concrete flow; the radial placement of the hydraulic system along the pump tube reduces the space utilization at the construction site.
Disclosure of Invention
The utility model aims to provide a symmetrical concrete flow regulating device. The utility model solves the problem of unbalanced stress caused by unbalanced pouring of concrete at the cantilever parts at two ends when the T-shaped cantilever symmetrical construction is carried out on the high pier large span continuous rigid frame bridge, the problem of pump pipe valve blockage caused by poor valve tightness, and the problem that the valve cannot accurately adjust the concrete flow and the problem that a concrete flow adjusting device wastes the space of a construction site.
The utility model adopts the following technical scheme:
A symmetrical adjusting device of concrete flow is characterized in that: the adjusting device is T shape tee bend symmetry conveying structure, includes: the T-shaped three-way pump pipe consists of a main pump pipe and two branch pump pipes which are vertically communicated with the main pump pipe, and concrete is input by the main pump pipe and output from the two branch pump pipes to two ends; the two branch pump pipes are respectively connected with the concrete pouring outlet end through the same ball valve opening and closing mechanism;
The ball valve opening and closing mechanism consists of a V-shaped ball valve and a hydraulic opening and closing system; the hydraulic opening and closing system comprises a fixed plate, a guide plate, a hydraulic cylinder, a hydraulic rod, a rack, a guide rod and an anti-falling block; the fixed plate is fixedly arranged on the pump pipe at the inlet of the V-shaped ball valve, the guide plate is fixedly arranged on the pump pipe at the outlet of the V-shaped ball valve, the bottom of the hydraulic cylinder is fixed on the fixed plate, the driven hydraulic rod at the front end of the hydraulic cylinder is coaxially connected with the rack, the rear end of the rack is coaxially connected with the guide rod, the rear end of the guide rod can slide in a telescopic manner in the through hole on the guide plate, and the rack is meshed with the switch gear at the upper end of the V-shaped ball valve to drive the opening and closing of the V-shaped ball valve.
Further the V-arrangement ball valve comprises switch gear, upper valve rod, valve body, V-arrangement case, lower valve rod, fixing base, and switch gear links to each other with the upper valve rod, and the upper valve rod links to each other with the V-arrangement case, and the V-arrangement case links to each other with the lower valve rod, and the fixing base links to each other with the valve body, and the V-arrangement case is inside the valve body, and the V-arrangement ball valve passes through ring flange and stud and branch pump pipe UNICOM.
The end part of the outer end of the guide rod, which extends out of the guide plate through hole, is provided with an anti-drop block for preventing the guide rod from slipping off the guide plate.
The fixing plate and the guide plate are parallel and vertically fixed on the V-shaped ball valve branch pump pipe.
The hydraulic cylinder, the hydraulic rod, the rack and the guide rod are arranged in the same axial direction and parallel to the axial direction of the cylinder.
The concrete flow regulating device is suitable for concrete transportation of cantilever symmetrical construction; the pump pipe of the flow regulating device adopts a T-shaped three-way pump pipe, so that the concrete of the cantilevers at two ends can be poured simultaneously, unbalanced moment is avoided, the valve adopts a V-shaped ball valve design, the sealing performance is good, accidents caused by the blockage of the pump pipe valve can be effectively prevented, the concrete flow can be accurately regulated, and safe and efficient support is provided for realizing symmetrical pouring of the cantilevers; on the other hand, the hydraulic system is axially arranged along the pump cylinder, the vertical construction space is reasonably utilized, the waste of the transverse construction space is avoided, the utilization rate of construction sites is greatly improved, and the hydraulic system has high popularization value.
Drawings
FIG. 1 is a schematic view of the overall structure of an adjusting device of the present utility model;
FIG. 2 is a schematic front view of the adjustment device of the present utility model;
Fig. 3 is a schematic view of the interior of a V-ball valve.
In the figure, 1 is a T-shaped three-way pump pipe, 2 is a V-shaped ball valve, 3 is a hydraulic system, 4 is a guide plate, 5 is a fixed plate, 6 is a flange plate, and 7 is a stud bolt; 101 is a main pump pipe, 102 is a branch pump pipe; 201 is a switch gear, 202 is an upper valve rod, 203 is a valve body, 204 is a fixed seat, 205 is a V-shaped valve core, and 206 is a lower valve rod; 301 is a hydraulic cylinder, 302 is a hydraulic rod, 303 is a rack, 304 is a guide rod, and 305 is an anti-falling block; 20501 is a V-shaped port and 20502 is a sphere.
Detailed Description
The present utility model will be further described with reference to the following specific embodiments, which are intended to be illustrative of the principles of the present utility model and not in any way limiting, nor will the same or similar techniques be used in connection with the present utility model beyond the scope of the present utility model.
In combination with the accompanying drawings.
As shown in the drawings, the concrete flow symmetrical adjusting device of the present utility model comprises: the three-way pump comprises a T-shaped three-way pump tube 1, a V-shaped ball valve 2, a hydraulic system 3, a fixed plate 5 and a guide plate 4.
The T-shaped three-way pump pipe 1 comprises a main pump pipe 101 and two branch pump pipes 102, when concrete is poured by the cantilever at the two ends, the concrete is input by the main pump pipe 101, and is output from the two branch pump pipes 102 to the cantilever at the two ends, so that the simultaneous pouring of the concrete at the cantilever at the two ends is ensured, unbalanced moment of the cantilever at the two ends caused by uneven concrete conveying is avoided, the V-shaped ball valve 2 is connected with the stud 7 and the branch pump pipe 102 through the flange 6, the fixed plate 5 and the guide plate 4 penetrate through the branch pump pipe 102 to be connected with the two ends of the hydraulic system 3, the hydraulic system 3 is axially placed along the branch pump pipe 102, the vertical construction space is reasonably utilized, the waste of the transverse construction space is avoided, and the utilization rate of a construction site is greatly improved.
The V-shaped ball valve 2 consists of a switch gear 201, an upper valve rod 202, a valve body 203, a V-shaped valve core 205, a lower valve rod 206 and a fixed seat 204, wherein the gear switch 201 is connected with the upper valve rod 202, the upper valve rod 202 is connected with the V-shaped valve core 205, the V-shaped valve core 205 is connected with the lower valve rod 206, the fixed seat 204 is connected with the valve body 203, and the V-shaped valve core 205 is arranged in the valve body 203.
When the V-shaped ball valve 2 works, concrete medium is cut off by the V-shaped opening 20501, when the spherical surface 20502 is in contact with the cross section of the branch pump pipe 102, the concrete flow gradually decreases until the spherical surface 20502 is in complete contact with the cross section of the branch pump pipe 102, at the moment, the V-shaped ball valve 2 is in a closed state, concrete is not conveyed any more, the sealing performance of a valve of the pump pipe is greatly improved by using the V-shaped ball valve 2, the safety accident caused by valve blockage is effectively avoided, and the concrete flow can be accurately regulated.
The hydraulic system 3 comprises a hydraulic cylinder 301, a hydraulic rod 302, a rack 303, a guide rod 304 and an anti-drop block 305, wherein the hydraulic cylinder 301 is connected with the hydraulic rod 302, the hydraulic rod 302 is connected with the rack 303, the rack 303 is connected with the guide rod 304, the fixed plate 5 is connected with the hydraulic cylinder 301 to provide support for the hydraulic system 3, the guide plate 4 is used for the guide rod 304 of the hydraulic system 3 to pass through, a stable running environment is provided for the hydraulic system 3, the anti-drop block 305 is connected with the guide rod 304, and the hydraulic system 3 is prevented from being separated from a fixed track.
When the hydraulic system 3 works, the rear end of the hydraulic cylinder 301 is connected with the fixed plate 5, the hydraulic cylinder 301 drives the hydraulic rod 302, the hydraulic rod 302 drives the rack 303 to move along a preset direction by virtue of the guide rod 304, the rack 303 of the hydraulic system 3 and the switch gear 201 of the V-shaped ball valve 2 are in an intermeshing state, and the hydraulic system 3 drives the rack 303 to advance and retract by virtue of pushing and retracting of the hydraulic rod 302, so that the switch gear 201 starts to rotate, and the purpose of adjusting the flow of concrete is achieved.
Claims (5)
1. A symmetrical adjusting device of concrete flow is characterized in that: the adjusting device is T shape tee bend symmetry conveying structure, includes: the T-shaped three-way pump pipe consists of a main pump pipe and two branch pump pipes which are vertically communicated with the main pump pipe, and concrete is input by the main pump pipe and output from the two branch pump pipes to two ends; the two branch pump pipes are respectively connected with the concrete pouring outlet end through the same ball valve opening and closing mechanism;
The ball valve opening and closing mechanism consists of a V-shaped ball valve and a hydraulic opening and closing system; the hydraulic opening and closing system comprises a fixed plate, a guide plate, a hydraulic cylinder, a hydraulic rod, a rack, a guide rod and an anti-falling block; the fixed plate is fixedly arranged on the pump pipe at the inlet of the V-shaped ball valve, the guide plate is fixedly arranged on the pump pipe at the outlet of the V-shaped ball valve, the bottom of the hydraulic cylinder is fixed on the fixed plate, the driven hydraulic rod at the front end of the hydraulic cylinder is coaxially connected with the rack, the rear end of the rack is coaxially connected with the guide rod, the rear end of the guide rod can slide in a telescopic manner in the through hole on the guide plate, and the rack is meshed with the switch gear at the upper end of the V-shaped ball valve to drive the opening and closing of the V-shaped ball valve.
2. The concrete flow symmetry adjustment device according to claim 1, wherein: the V-shaped ball valve consists of a switch gear, an upper valve rod, a valve body, a V-shaped valve core, a lower valve rod and a fixing seat, wherein the switch gear is connected with the upper valve rod, the upper valve rod is connected with the V-shaped valve core, the V-shaped valve core is connected with the lower valve rod, the fixing seat is connected with the valve body, the V-shaped valve core is arranged in the valve body, and the V-shaped ball valve is communicated with a pump branch pipe through a flange plate and a stud.
3. The concrete flow symmetry adjustment device according to claim 2, wherein: the outer end part of the guide rod extending out of the guide plate through hole is provided with an anti-drop block for preventing the guide rod from slipping off the guide plate.
4. The concrete flow symmetry adjustment device according to claim 2, wherein: the fixing plate and the guide plate are parallel and vertically fixed on the V-shaped ball valve branch pump pipe.
5. The concrete flow symmetry adjustment device according to claim 2, wherein: the hydraulic cylinder, the hydraulic rod, the rack and the guide rod are coaxially arranged and parallel to the axial direction of the cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322567771.6U CN220847166U (en) | 2023-09-21 | 2023-09-21 | Concrete flow symmetrical adjusting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322567771.6U CN220847166U (en) | 2023-09-21 | 2023-09-21 | Concrete flow symmetrical adjusting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220847166U true CN220847166U (en) | 2024-04-26 |
Family
ID=90745784
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322567771.6U Active CN220847166U (en) | 2023-09-21 | 2023-09-21 | Concrete flow symmetrical adjusting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220847166U (en) |
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2023
- 2023-09-21 CN CN202322567771.6U patent/CN220847166U/en active Active
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