CN213268955U - Anti-splashing concrete conveying pipe nozzle - Google Patents
Anti-splashing concrete conveying pipe nozzle Download PDFInfo
- Publication number
- CN213268955U CN213268955U CN202021826016.5U CN202021826016U CN213268955U CN 213268955 U CN213268955 U CN 213268955U CN 202021826016 U CN202021826016 U CN 202021826016U CN 213268955 U CN213268955 U CN 213268955U
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- concrete
- inner support
- conveying pipe
- spout
- concrete conveying
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- Expired - Fee Related
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- 239000004567 concrete Substances 0.000 title claims abstract description 132
- 239000007921 spray Substances 0.000 claims abstract description 42
- 239000000463 material Substances 0.000 claims abstract description 17
- 238000009434 installation Methods 0.000 claims description 4
- 239000004677 Nylon Substances 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 229920001778 nylon Polymers 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 238000005507 spraying Methods 0.000 description 5
- 238000010276 construction Methods 0.000 description 4
- 238000005086 pumping Methods 0.000 description 3
- 239000004575 stone Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 239000011378 shotcrete Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000004570 mortar (masonry) Substances 0.000 description 1
- 239000011150 reinforced concrete Substances 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 relates to a concrete placement instrument field especially relates to a prevent concrete conveying pipe spout that splashes. The concrete conveying pipe comprises a concrete conveying pipe, wherein an inner support which extends downwards and becomes thick gradually is sleeved outside the tail end of the concrete conveying pipe, the inner support is in a horn shape with a downward opening, a shunting stop block is arranged in the inner support, and a spray pipe made of a flexible material is sleeved outside the inner support; the spray pipe comprises a supporting part which is tightly attached to the outer side of the inner support and a nozzle part which extends downwards from the lower edge of the supporting part; the reposition of redundant personnel dog is summit toper up and sets up on the axis of internal stay, leaves the runner that the clearance passed through as the concrete between reposition of redundant personnel dog and the internal stay, and the reposition of redundant personnel dog passes through the connecting plate to be fixed to the internal stay. Through above technical scheme, set up interior brace and flexible spray tube on concrete conveying pipe, then utilize the reposition of redundant personnel dog to disperse concrete conveying pipe spun concrete efflux to real individual spray tube in, reduce the impact force when concrete sprays the ground to reduce splashing of grit in the concrete.
Description
Technical Field
The utility model relates to a concrete placement instrument field especially relates to a prevent concrete conveying pipe spout that splashes.
Background
An important construction step in the construction of reinforced concrete buildings is the placement of concrete. The concrete conveying pipe is used for conveying concrete, the pump truck or a pumping machine is used for pumping the concrete, the flow velocity of the concrete pumped by the pump truck or the pumping machine in the concrete conveying pipe is generally higher, the flow velocity of the concrete mixed with sand and stone is higher when the concrete is sprayed out from a nozzle of the concrete conveying pipe, the sprayed concrete directly impacts the ground or the poured concrete can splash, and the splashed broken stones can injure the pouring constructors.
In the prior art, direct protection is generally performed on constructors, and the constructors are mainly provided with special protective clothing, but the actions of the constructors are greatly influenced after the protective clothing is worn.
SUMMERY OF THE UTILITY MODEL
The utility model discloses prevent concrete conveying pipe spout that splashes.
The technical problem to be solved is that: the existing pouring mode of directly spraying concrete from the tail end of a concrete conveying pipe causes sand and stones mixed in the concrete to splash easily when the concrete directly impacts the ground due to high flow speed.
In order to solve the technical problem, the utility model discloses prevent concrete conveying pipe spout that splashes adopts following scheme. The anti-splashing concrete conveying pipe nozzle comprises a concrete conveying pipe, wherein an inner support which extends downwards and becomes thick gradually is sleeved outside the tail end of the concrete conveying pipe, the inner support is in a horn shape with a downward opening, a shunting stop block is arranged in the inner support, and a spraying pipe made of a flexible material is sleeved outside the inner support; the spray pipe comprises a supporting part which is tightly attached to the outer side of the inner support and a nozzle part which extends downwards from the lower edge of the supporting part; the inner diameter of the nozzle part is the same as the outer diameter of the bottom of the inner support and is larger than the diameter of the concrete conveying pipe;
the shunt stop block is fixed on the inner support through a connecting plate; the reposition of redundant personnel dog is apex up toper and sets up on the axis of internal stay, leaves the runner that the clearance passed through as the concrete between reposition of redundant personnel dog and the internal stay.
The spout portion is the tube-shape, and the diameter internal diameter of spout portion is the same with the external diameter of internal stay bottom and is greater than the diameter of concrete feeding pipe.
Furthermore, the outer peripheral surface of the tail end of the concrete conveying pipe is provided with an annular groove; the inner support comprises a vertical mounting section with the same diameter and a supporting section with a horn shape for supporting the spray pipe, and the mounting section of the inner support is sleeved at the tail end of the concrete conveying pipe and clamped outside the groove of the concrete conveying pipe.
Furthermore, the inner support is detachably arranged on the concrete conveying pipe through the hoop, and the hoop is arranged in a groove at the tail end of the concrete conveying pipe and used for pressing and deforming the connecting section in the outer side of the inner support connecting section.
Furthermore, the spray pipe also comprises a fixing part, wherein the fixing part is cylindrical, and the upper edge of the supporting part extends upwards; the fixing part is sleeved outside the connecting section of the inner support, and the anchor ear is sleeved outside the fixing part of the spray pipe.
Further, the spray pipe is made of a woven material, and the fixing portion, the supporting portion and the nozzle portion of the spray pipe are connected into a whole.
Furthermore, the material of spray tube is nylon woven mesh.
Further, the inner support is a framework structure made of steel bars.
Furthermore, the opening angle of the supporting section of the inner support is 20-60 degrees.
Further, the length of the nozzle part of the spray pipe is not smaller than the diameter of the nozzle part of the spray pipe; the inner diameter of the nozzle part is 1.5 to 3 times of the inner diameter of the concrete conveying pipe.
Further, the connecting plate is vertically arranged.
The utility model discloses prevent concrete conveying pipe spout that splashes compares with prior art, has following beneficial effect:
the utility model provides a prevent concrete conveying pipe spout that splashes, cover are established and are installed at the end of original concrete conveying pipe, mainly include the internal stay, and set up the spray tube that the flexible material in the internal stay outside made.
The internal stay is tubaeform, and the end of the internal stay, that is, the opening cover of the upper end, is arranged at the tail end of the concrete conveying pipe, and the internal stay gradually increases from top to bottom. The spray pipe arranged outside the inner support is made of flexible materials and comprises a support part which is sleeved outside the inner support and is attached to the outer surface of the inner support and a nozzle part which continues to extend downwards along the lower edge of the support part. The diameter of the nozzle part is larger than that of the concrete conveying pipe, and the diameter of the nozzle part is the same as that of the bottom of the inner support, namely the diameter of one end of the larger opening of the inner support.
The purpose is let the concrete follow rigid concrete conveying pipe blowout back, flows into the bigger and spray tube spout portion for flexible material of pipe diameter through the expansion of internal stay and spray tube supporting part, and the velocity of flow that comes the slow down concrete in proper order reduces the impact force of concrete, and the spray tube downwardly extending that flexible material made simultaneously can be close to ground more and can buckle, the further production that reduces and splash.
However, the concrete sprayed out of the spray pipe only converges into a jet flow when passing through the inner support and the support part of the spray pipe, and cannot spread out to achieve the aim of reducing the impact force. Consequently still be provided with the reposition of redundant personnel dog in propping including in order to let the concrete scatter to full whole spray tube, the reposition of redundant personnel dog sets up on the axis of propping in, and the reposition of redundant personnel dog can be touch after concrete conveying pipe blowout to the concrete, and the reposition of redundant personnel dog is on the inner wall of propping in with the spray tube with concrete jet-flow washout, leaves the runner that the clearance flowed as the concrete simultaneously between reposition of redundant personnel dog and interior support. The reposition of redundant personnel dog is the toper, and the summit is upwards, and the concrete efflux is at first through the summit when assaulting the reposition of redundant personnel dog, then on the inner wall of spray tube is guided to the lateral wall of reposition of redundant personnel dog step by step.
Through above technical scheme, set up interior supporting and flexible spray tube on concrete conveying pipe, then utilize the reposition of redundant personnel dog to disperse concrete conveying pipe spun concrete efflux to real individual spray tube, the effectual velocity of flow and the spout that slows down the concrete and the distance on ground reduce the impact force when the concrete sprays ground, reduce splashing of grit in the concrete.
Drawings
FIG. 1 is a front view of the splash-proof concrete delivery pipe spout of the present invention;
FIG. 2 is a cross-sectional view taken at A-A of FIG. 1;
FIG. 3 is an enlarged view of a portion of FIG. 2 at A;
fig. 4 is a perspective view of the middle inner support, the shunt stop and the connecting plate of the present invention.
Description of reference numerals: the concrete spraying device comprises a concrete conveying pipe 1, a spraying pipe 2, a fixing part 2a, a supporting part 2b, a spraying opening part 2c, an inner support 3a, an installation section 3a, a supporting section 3b, a flow dividing stop block 4, a hoop 5 and a connecting plate 6.
Detailed Description
The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings. It is to be understood that the description of the embodiments herein is for purposes of illustration and explanation only and is not intended to limit the invention.
In the present invention, unless otherwise specified, the use of directional terms such as "upper, lower, left, and right" generally means upper, lower, left, and right as illustrated with reference to fig. 1; "inner and outer" refer to the inner and outer relative to the profile of the components themselves. The present invention will be described in detail with reference to the accompanying drawings in conjunction with embodiments.
The concrete conveying pipe aims to solve the problem that the concrete pumped in the concrete conveying pipe 1 has high flow velocity and can splash when directly sprayed out to impact the ground. A splash-proof concrete delivery pipe spout is proposed, as shown in fig. 1-4. The anti-splashing concrete conveying pipe nozzle comprises a concrete conveying pipe 1, wherein an inner support 3 which extends downwards and becomes thick gradually is sleeved outside the tail end of the concrete conveying pipe 1, the inner support 3 is in a horn shape with a downward opening, a shunting stop block 4 is arranged in the inner support 3, and a spray pipe 2 made of a flexible material is sleeved outside the inner support 3; the spray pipe 2 comprises a support part 2b which is closely attached to the outer side of the inner support 3 and a nozzle part 2c which extends downwards from the lower edge of the support part 2 b;
the diversion baffle block 4 is conical with an upward vertex and is arranged on the axis of the inner support 3, a gap is reserved between the diversion baffle block 4 and the inner support 3 to serve as a flow passage for concrete to pass through, and the diversion baffle block 4 is fixed on the inner support 3 through a connecting plate 6;
the spout part 2c is cylindrical, and the inner diameter of the spout part 2c is the same as the outer diameter of the bottom of the inner support 3 and is larger than the diameter of the concrete conveying pipe 1.
As shown in fig. 2, in which the concrete conveying pipe 1 is a concrete feeding pipe specification specified in national standards commonly used in concrete pouring construction. The utility model discloses it is main exactly that the end at current concrete conveying pipe 1 sets up a spout, the internal diameter is greater than the spout of concrete conveying pipe 1 internal diameter, let the concrete flow from the spout reduce the velocity of flow when the concrete blowout, the spout of the bar sets up to flexible material and makes, be convenient for buckle reduce the concrete simultaneously leave the spout when the spout with the distance on ground, thereby the impact force when further reduction concrete strikes ground reduces the production that splashes, simultaneously the effectual speed that weakens the concrete that splashes out.
Specifically, in order to facilitate the nozzle to be installed on the concrete conveying pipe 1 and to allow the flexible nozzle to maintain a certain shape, firstly, the utility model is provided with a trumpet-shaped inner support 3, as shown in fig. 4; the smaller opening end of the inner support 3 is arranged at the tail end of the concrete conveying pipe 1. Then the spout made of flexible material is sleeved outside the lining. As shown in fig. 2 and 3, the nozzle includes a support portion 2b and a nozzle portion 2c, the support portion 2b is closely attached to the inner support 3 and is sleeved outside the inner support 3, so that the same support portion 2b is also in a horn shape. The spout portion 2c is cylindrical and has a uniform upper and lower diameter, the upper edge of the spout portion 2c is connected to the lower edge of the fitting portion, and the lower edge of the spout portion 2c, which is not fitted, continues to extend downward. When concrete in the spray pipe 2 flows, downward force is applied to the spray pipe 2, and the supporting part 2b is tightly sleeved on the inner support 3 with a narrow upper part and a wide lower part, so that the spray pipe 2 cannot move downwards.
In order to avoid that the concrete forms a jet flow after being sprayed out of the concrete conveying pipe 1 and cannot contact with the inner wall of the nozzle part 2c of the nozzle 2 to fill the nozzle part 2c of the real nozzle 2, a shunting stop block 4 is further arranged inside the inner support 3. As shown in fig. 2 to 4, the diversion block 4 is disposed at the center of the bottom of the inner support 3, and a gap is left between the diversion block 4 and the inner support 3 as a flow passage through which concrete passes. The diversion baffle port is conical with the vertex upward.
Through above technical scheme, prop 3 and flexible spray tube 2 in setting up on concrete conveying pipe 1, then utilize reposition of redundant personnel dog 4 with concrete conveying pipe 1 spun concrete efflux disperse to real individual spray tube 2 in, the effectual velocity of flow and the spout that slows down the concrete and the distance on ground reduce the impact force when the concrete sprays the ground, reduce splashing of grit in the concrete.
As shown in fig. 4, the inner brace 3 is a framework structure made of steel bars. The inner support 3 only needs to be capable of supporting the nozzle and the shunt stop block 4, and does not need to be provided with a complete side wall, and the inner support 3 is externally provided with the supporting part 2b of the nozzle, so that the inner support 3 can be set into a frame structure to reduce weight.
Because the direct impact of concrete efflux is more serious to metal wearing and tearing, so reposition of redundant personnel dog 4 and connecting plate 6 of connecting reposition of redundant personnel dog 4 need be changed after wearing and tearing are serious, and same internal stay 3 also can receive great wearing and tearing, consequently can set up to direct whole change internal stay 3, connecting plate 6 and reposition of redundant personnel dog 4 when changing, thereby can be as shown in figure 4, with internal stay 3, connecting plate 6 and reposition of redundant personnel dog 4 fixed connection, make a whole. Then the inner support 3 and the concrete conveying pipe 1 are detachably connected. Specifically, as shown in fig. 3 and 4, the inner support 3 is divided into a support section 3b for supporting the nozzle 2 in a horn shape, and a cylindrical mounting section 3a above the support section 3b, and the mounting section 3a is fitted in a groove at the end of the concrete delivery pipe 1. The tail end of the concrete conveying pipe 1 is provided with an annular groove; the inner support 3 comprises a vertical installation section 3a with the same diameter and a support section 3b which is in a horn shape and is used for supporting the spray pipe 2, and the connecting section is sleeved outside a groove at the tail end of the concrete conveying pipe 1. In order to avoid the internal stay 3 slippage from the groove, the internal stay 3 is detachably installed on the concrete conveying pipe 1 through the hoop 5, and the hoop 5 is arranged in the groove at the tail end of the concrete conveying pipe 1 and clamps the connecting section outside the connecting section of the internal stay 3. The hoop 5 directly compresses the mounting section 3a of the inner support 3 to press the mounting section 3a to deform so as to clamp the mounting section 3a into the groove of the concrete conveying pipe 1. When the inner support 3 needs to be detached, the hoop 5 can be detached firstly, and then the inner support can be pried from the groove by using a slender rod-shaped tool such as a screwdriver.
It is preferable to increase the strength of the nozzle 2 in order to prevent the concrete from being exposed at the joint between the inner support 3 and the concrete pipe 1. As shown in fig. 2, the nozzle 2 further includes a fixing portion 2a, the fixing portion 2a being cylindrical, with an upper edge of a support portion 2b extending upward; the fixing part 2a is sleeved outside the connecting section of the inner support 3, and the anchor ear 5 is sleeved outside the fixing part 2a of the spray pipe 2. Preferably, the nozzle 2 is made of a woven material, and the fixing portion 2a, the support portion 2b, and the spout portion 2c of the nozzle 2 are integrally connected. Further preferably, the material of the nozzle 2 needs to be wear-resistant enough to cope with the friction of the concrete mortar for a long time, so the material of the nozzle 2 is a nylon woven mesh.
As shown in figure 3, the inner support 3 is in the shape of an outer circular truncated cone, and the included angle between the generatrix of the inner support 3 and the axis is 10-30 degrees. The sprayed concrete jet cannot be filled in the whole inner support 3 and the spray pipe 2 through the diversion baffle 4 when the angle is too large, and the effect of preventing splashing is not obvious when the angle is too small, so that the angle is preferably 10-30 degrees. That is to say, the opening angle of the supporting section 3b of the inner support 3 is 20-60 deg.
As shown in fig. 2, the length of the spout portion 2c of the spout 2 is not smaller than the diameter of the spout portion 2c of the spout 2; the length of the nozzle part 2c of the nozzle 2 is too small, so that the concrete jet separated by the diversion block 4 is easily sprayed out from the lower opening without being restricted by the nozzle 2, and the effect cannot be achieved. Therefore, the length of the spouting portion 2c needs to exceed the diameter of the spouting portion 2c, and the length of the spouting portion 2c is preferably 1 to 5 times the diameter thereof, and the length can be determined according to the actual construction. The diameter of the nozzle part 2c is 1.5 to 3 times of the diameter of the concrete delivery pipe 1.
In order to extend the working time of the connecting plate 6, the connecting plate 6 is vertically arranged.
The above-mentioned embodiments are only described for the preferred embodiments of the present invention, and are not limited to the scope of the present invention, and the ordinary skilled person in the art can modify and improve the technical solution of the present invention without departing from the design spirit of the present invention, including using the present invention in old house decoration, and all should fall into the protection scope defined by the claims of the present invention.
Claims (10)
1. The anti-splashing concrete conveying pipe nozzle comprises a concrete conveying pipe (1), and is characterized in that an inner support (3) which extends downwards and becomes thick gradually is sleeved outside the tail end of the concrete conveying pipe (1), the inner support (3) is horn-shaped and is opened downwards, a shunting stop block (4) is arranged in the inner support (3), and a spray pipe (2) made of a flexible material is sleeved outside the inner support (3); the spray pipe (2) comprises a supporting part (2 b) which is tightly attached to the outer side of the inner support (3) and a nozzle part (2 c) which extends downwards from the lower edge of the supporting part (2 b); the nozzle part (2 c) is cylindrical, and the diameter inside diameter of the nozzle part (2 c) is the same as the outside diameter of the bottom of the inner support (3) and is larger than the diameter of the concrete conveying pipe (1);
the shunt stop block (4) is fixed on the inner support (3) through a connecting plate (6); the shunting stop block (4) is a cone with the apex upward and is arranged on the axis of the inner support (3), and a gap is reserved between the shunting stop block (4) and the inner support (3) to serve as a flow channel for concrete to pass through.
2. A splash proof concrete delivery pipe spout according to claim 1, characterized in that the outer peripheral surface of the end of the concrete delivery pipe (1) has an annular groove; interior prop (3) including vertical installation section (3 a) that sets up the diameter the same and loudspeaker form be used for supporting support section (3 b) of spray tube (2), the end of concrete conveying pipe (1) is established and the card is outside the recess of concrete conveying pipe (1) is established in installation section (3 a) cover of interior prop (3).
3. The anti-splashing concrete conveying pipe nozzle according to claim 2, characterized in that the inner support (3) is detachably mounted on the concrete conveying pipe (1) through an anchor ear (5), and the anchor ear (5) is arranged on the outer side of the connecting section of the inner support (3) to press the connecting section to deform and clamp the connecting section in a groove at the tail end of the concrete conveying pipe (1).
4. A splash guard concrete delivery pipe spout according to claim 3, characterized in that the spout (2) further comprises a fixed part (2 a), the fixed part (2 a) being cylindrical, with the upper edge of the supported part (2 b) extending upwards; the fixing part (2 a) is sleeved outside the connecting section of the inner support (3), and the anchor ear (5) is sleeved outside the fixing part (2 a) of the spray pipe (2).
5. A splash proof concrete delivery pipe spout according to claim 4, characterized in that the spout (2) is made of woven material, the fixed part (2 a), the support part (2 b) and the spout part (2 c) of the spout (2) being connected as one piece.
6. The anti-splash concrete delivery pipe spout according to claim 5, characterized in that the material of the spout (2) is a nylon woven mesh.
7. A splash-proof concrete delivery pipe spout according to claim 2, characterized in that the support section (3 b) of the inner support (3) has an opening angle of 20 ° to 60 °.
8. A splash proof concrete delivery pipe spout according to claim 1, characterized in that the inner stay (3) is a frame structure made of steel bars.
9. A splash-proof concrete delivery pipe spout according to claim 1, characterized in that the length of the spout portion (2 c) of the spout (2) is not less than the diameter of the spout portion (2 c) of the spout (2); the inner diameter of the nozzle part (2 c) is 1.5 to 3 times of the inner diameter of the concrete conveying pipe (1).
10. A splash proof concrete delivery pipe spout according to claim 1, characterized in that the connection plate (6) is arranged vertically.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021826016.5U CN213268955U (en) | 2020-08-27 | 2020-08-27 | Anti-splashing concrete conveying pipe nozzle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021826016.5U CN213268955U (en) | 2020-08-27 | 2020-08-27 | Anti-splashing concrete conveying pipe nozzle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213268955U true CN213268955U (en) | 2021-05-25 |
Family
ID=75978686
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021826016.5U Expired - Fee Related CN213268955U (en) | 2020-08-27 | 2020-08-27 | Anti-splashing concrete conveying pipe nozzle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213268955U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113513168A (en) * | 2021-07-19 | 2021-10-19 | 南通华汇建筑工程有限公司 | Civil construction engineering structure gap grouting device |
-
2020
- 2020-08-27 CN CN202021826016.5U patent/CN213268955U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113513168A (en) * | 2021-07-19 | 2021-10-19 | 南通华汇建筑工程有限公司 | Civil construction engineering structure gap grouting device |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210525 |