CN209324648U - A kind of pump line check-valves of concrete pump - Google Patents
A kind of pump line check-valves of concrete pump Download PDFInfo
- Publication number
- CN209324648U CN209324648U CN201821610276.1U CN201821610276U CN209324648U CN 209324648 U CN209324648 U CN 209324648U CN 201821610276 U CN201821610276 U CN 201821610276U CN 209324648 U CN209324648 U CN 209324648U
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- China
- Prior art keywords
- plate
- hole
- check valve
- concrete
- valve plate
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- On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
Abstract
The utility model discloses a kind of pump line check-valves of concrete pump, it is related to technical field of concrete, including the pump line connecting tube for being located at the concrete access tube of steel pipe column bottom and being connected with delivery pump, it is connected with check valve plate between the concrete access tube and pump line connecting tube, the through-hole with concrete access tube and pump line connecting tube with diameter is offered on the check valve plate；The slideway being connected with through-hole is offered in the check valve plate, two Slideslips that through-hole is located in the slideway are provided with the first plate and the second plate, and first plate and the second plate, which can be slided along slideway to the center of through-hole, block through-hole.By the utility model, the through-hole on check valve plate can be blocked after concreting, prevent the reflux of concrete, sealing effect is good, it is easy to accomplish.
Description
Technical field
The utility model relates to technical field of concrete, in particular to the pump line check-valves of a kind of concrete pump.
Background technique
Steel core concrete column column core concrete lift-up construction technology is will be from close using the pumping pressure of concrete pump
Real concrete is poured into from steel pipe column bottom, until filling a kind of concrete without vibration construction method of whole steel pipe column.To prevent
When concrete delivery pipe is removed, concrete flows back, and backflow valve need to be arranged in column bottom.
Authorization Notice No. is that the Chinese patent of CN201982286U discloses a kind of concrete transfer pump tube check-valves dress
It sets, concrete access tube, check valve plate including steel pipe column bottom, pump line connecting tube；The check valve plate is fixedly connected on mixed
Between solidifying soil access tube and pump line connecting tube；The concrete access tube and pump line connecting tube pass through special flanged joint, non-return
Valve plate one end, which is equipped with, is provided only with bolt hole with the consistent aperture of Diameter of pump tube and bolt hole, one end.
But in above-mentioned patent, after pouring, need the bolt between concrete access tube and pump line connecting tube
It unloads then mobile check valve plate to install again, the concrete in this disassembly installation process in steel pipe is easy to from check-valves
It flows back downwards in aperture among plate, it is not closely knit enough to lead to pour the concrete column to be formed, and influences construction quality.
Utility model content
The purpose of this utility model is to provide a kind of pump line check-valves of concrete pump, can be in concreting
After the through-hole on check valve plate is blocked, prevent the reflux of concrete, sealing effect is good, it is easy to accomplish.
The above-mentioned purpose of the utility model has the technical scheme that a kind of pump of concrete pump
Pipe check-valves, including the pump line connecting tube for being located at the concrete access tube of steel pipe column bottom and being connected with delivery pump, the coagulation
It is connected with check valve plate between native access tube and pump line connecting tube, is offered on the check valve plate and concrete access tube and pump
Through-hole of the pipe connected pipe with diameter；The slideway being connected with through-hole is offered in the check valve plate, is located in the slideway logical
Two Slideslips in hole are provided with the first plate and the second plate, and first plate and the second plate can be along slideways into through-hole
Heart sliding blocks through-hole;The concrete access tube is provided with first flange close to one end of check valve plate, and the pump line connects
It takes over and one end of check valve plate is provided with second flange, there are two the two sides that the check valve plate is located at through-hole open up respectively
Internal thread hole and outside threaded holes offer threaded hole corresponding with internal thread hole and outside threaded holes, institute in the first flange
State and offer threaded hole corresponding with internal thread hole in second flange, the first flange, check valve plate and second flange it
Between the first clamping screw is connected with by internal thread hole, also pass through outside threaded holes between the first flange and check valve plate and connect
There is the second clamping screw;The check valve plate offers two to be connected with slideway on the one side of pump line connecting tube
Strip-shaped hole, described two strip-shaped holes are located at the two sides of through-hole, the company of being respectively arranged on first plate and the second plate
Bar, the protruding strip-shaped hole of connecting rod;The locking member for fixing the first plate and the second plate, institute are provided in the slideway
State the two sides that locking member is located at the first plate and the second plate;The locking member is screw rod, the screw rod and check valve plate
Sidewall thread connection, one end of the screw rod stretches out from the side end face of check valve plate, and the other end is pushed against the first plate or the
Two plates are far from the side end face of through-hole.
By using above-mentioned technical proposal, before the casting concrete into steel pipe column, by the first plate and the second plate
It is slided to the two sides of through-hole, through-hole is made to be in open state, then connected concrete access tube, check valve plate with pump line
Pipe links together, and starts casting concrete；The first plate and the second plate will be led to through hole center sliding after pouring
Hole carries out closure closure, and concrete will not flow back downwards.Before casting concrete, the first clamping screw is threaded through interior spiral shell
First flange, check valve plate and second flange are linked together in pit, and the second clamping screw is threaded through outside threaded holes
It is interior to be again coupled to first flange and check valve plate；The first clamping screw is removed after pouring, takes pump line away
Connecting tube, due to the connection of the second clamping screw, concrete access tube and check valve plate still link together, and concrete will not
Reflux.It stirs i.e. controllable first plate of connecting rod and the second plate slides in slideway, more convenient staff's operation.
Control locking member can fix the first plate and the second plate, prevent after blocking through-hole, external shock leads to first
Plate and the second plate slide in slideway, cause concrete in the gap between the first plate and the second plate to next time
Stream.Turn screw rod can push against the first plate or the second plate, easy to operate.
Preferably, the screw rod, which is pierced by the side wall of the bolt head of check valve plate side end face, is provided with non-slip texture.
By using above-mentioned technical proposal, the manual turn screw rod of the more convenient staff of non-slip texture is set, improves behaviour
The comfort of work.
Preferably, the screw rod is provided with rubber pad far from one end of bolt head.
By using above-mentioned technical proposal, due to being rigid contact between screw rod and two plates, it is easy to appear sliding, if
Frictional force between screw rod end and plate can be increased by setting rubber pad, enhance fixed effect.
Preferably, first plate offers V-groove, second plate on a side end face of through hole center
The V-block matched with V-groove is provided on a side end face of through-hole.
By using above-mentioned technical proposal, V-groove and the mating of V-block enhance the first plate and the second plate company
The closed type at the place of connecing effectively is reinforced, and there is no gaps between the first plate and the second plate, prevents the leakage of concrete.
In conclusion the utility model has the following beneficial effects:
1. the reflux of concrete after the completion of pouring can be effectively prevent by the mating of the first plate and the second plate,
Ensure the compactness of steel pipe column interior concrete.
2. passing through the cooperation in internal and external threads hole, pump line connecting tube is directly removed after the completion of pouring, check valve plate passes through
Second clamping screw is connected on concrete access tube, inhibits the reflux of concrete, is had and is easily installed construction, easy to operate
Advantage.
Detailed description of the invention
Fig. 1 is the explosive view of the utility model；
Fig. 2 is the structural schematic diagram of check valve plate；
Fig. 3 is the internal structure chart of check valve plate.
In figure, 1, concrete access tube；11, first flange；2, pump line connecting tube；21, second flange；3, check valve plate；
31, through-hole；32, slideway；33, the first plate；331, V-groove；34, the second plate；341, V-block；35, internal thread hole；351,
First clamping screw；36, outside threaded holes；361, the second clamping screw；37, strip-shaped hole；371, connecting rod；4, screw rod；41, rubber
Pad.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
The utility model create description in, it is to be understood that term " center ", "upper", "lower", "front", "rear",
The orientation or positional relationship of the instructions such as "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is based on attached drawing institute
The orientation or positional relationship shown is merely for convenience of the creation of description the utility model and simplifies description, rather than indication or suggestion
Signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as to this
The limitation of utility model.
A kind of pump line check-valves of concrete pump, as shown in Fig. 1, including concrete access tube 1, pump line connecting tube
2 and check valve plate 3, check valve plate 3 is folded in the centre of concrete access tube 1 and pump line connecting tube 2, and concrete access tube 1
In the bottom of steel pipe column, and its end is provided with first flange 11, and pump line connecting tube 2 is provided with close to one end of check valve plate 3
Second flange 21, pump line connecting tube 2 are connected far from one end of check valve plate 3 with concrete pump.
In conjunction with shown in attached Fig. 1 and 2, the centre of check valve plate 3 is offered and concrete access tube 1 and pump line connecting tube 2 etc.
The through-hole 31 of diameter, the two sides of through-hole 31 circumferentially open up that there are two internal thread hole 35 and outside threaded holes 36, internal screw threads around it respectively
Hole 35 and outside threaded holes 36 are on same straight line, are offered respectively in first flange 11 and internal thread hole 35 and outside threaded holes
36 corresponding threaded holes offer threaded hole corresponding with internal thread hole 35 in second flange 21；Concrete access tube 1,
First clamping screw 351 is equipped with by internal thread hole 35 between pump line connection 2 and check valve plate 3, concrete access tube 1 and only
It returns between valve plate 3 and is also connected with the second clamping screw 361 by outside threaded holes 36.
In conjunction with shown in attached drawing 2 and 3, the inside of check valve plate 3 offers slideway 32, slideway 32 and two internal thread holes 35
Line is perpendicular, and slideway 32 is connected with through-hole 31, and two sides of the slideway 32 far from through-hole 31 are in silent setting, position in slideway 32
It is slided respectively in the two sides of through-hole 31 and is provided with the first plate 33 and the second plate 34, check valve plate 3 is close to pump line connecting tube 2
The upper two sides in through-hole 31 in one side surface are opened up respectively there are two strip-shaped hole 37, and strip-shaped hole 37 is connected with slideway 32, and first
Connecting rod 371 is respectively arranged on plate 33 and the second plate 34, connecting rod 371 is stretched out to the outside of strip-shaped hole 37, stirs connecting rod 371
Controllable first plate 33 and the second plate 34 slide in slideway 32, when to be fitted in strip-shaped hole 37 close for the connecting rod 371 of two sides
When on the side wall of through-hole 31, together with the first plate 33 can be abutted with the second plate 34 close to the side end face of through-hole 31 just,
Through-hole 31 is blocked.Particularly, the first plate 33 is also provided with V-groove 331 on the side end face at 31 center of through-hole, the
Two plates 34 are provided with V-block 341 on the side end face at 31 center of through-hole, and V-block 341 is mating in V-groove 331,
Enhance sealing effect.
The two sides of slideway 32 are respectively arranged with the screw rod 4 that the first plate 33 and the second plate 34 are fixed, and screw rod 4 is worn
It is located in slideway 32, screw rod 4 is provided with external screw thread close to the part of bolt head, passes through between screw rod 4 and the side wall of check valve plate 3
It is threadedly coupled, the bottom end of screw rod 4 can be pushed against the first plate 33 and the second side end face of the plate 34 far from 31 center of through-hole respectively
On, non-slip texture is provided on the side wall of the bolt head of screw rod 4, screw rod 4 is supported with the first plate 33 or 34 side end face of the second plate
The end connect is fixedly connected with rubber pad 41, for increasing rubbing between 4 bottom end of screw rod and the first plate 33 or the second plate 34
Power is wiped, fixed effect is enhanced.
This specific embodiment when in use, before the delivering concrete into steel pipe column, by the first plate 33 and the second plate
34 slide into slideway 32, and through-hole 31 is made to keep unimpeded state, by the first clamping screw 351 by first flange 11, check-valves
Plate 3 and second flange 21 are fixed together, and the second clamping screw 361 is threaded through in outside threaded holes 36, by the first method
Orchid 11 and check valve plate 3 further fix, and carry out pouring for concrete；After pouring, stirs connecting rod 371 mobile first and insert
Plate 33 and the second plate 34 block through-hole 31, and are fixed by screw rod 4, finally remove the first clamping screw 351,
Pump line connecting tube 2 is removed, due to the presence of the second clamping screw 361, check valve plate 3 is still connected to concrete access tube 1
On, the concrete in steel pipe column will not flow back downwards.
This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, ability
Field technique personnel can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but
As long as all by the protection of Patent Law in the scope of the claims of the utility model.
Claims (4)
1. a kind of pump line check-valves of concrete pump, including be located at steel pipe column bottom concrete access tube (1) and with it is defeated
The pump line connecting tube (2) for sending pump connected, it is characterised in that: connected between the concrete access tube (1) and pump line connecting tube (2)
Have check valve plate (3), is offered on the check valve plate (3) with concrete access tube (1) and pump line connecting tube (2) with diameter
Through-hole (31)；The slideway (32) being connected with through-hole (31) is offered in the check valve plate (3), is located in the slideway (32)
Two Slideslips of through-hole (31) are provided with the first plate (33) and the second plate (34), first plate (33) and the second plate
(34) it can be slided along the center of slideway (32) Xiang Tongkong (31) and block through-hole (31)；The concrete access tube (1) is close to only
The one end for going back to valve plate (3) is provided with first flange (11), and the pump line connecting tube (2) is arranged close to the one end of check valve plate (3)
Have second flange (21), the two sides that the check valve plate (3) is located at through-hole (31) open up respectively there are two internal thread hole (35) and
Outside threaded holes (36) offer screw thread corresponding with internal thread hole (35) and outside threaded holes (36) on the first flange (11)
Hole offers threaded hole corresponding with internal thread hole (35), the first flange (11), non-return on the second flange (21)
The first clamping screw (351), the first flange are connected with by internal thread hole (35) between valve plate (3) and second flange (21)
(11) the second clamping screw (361) also are connected with by outside threaded holes (36) between check valve plate (3)；The check valve plate
(3) two strip-shaped holes (37) being connected with slideway (32) are offered on the one side of pump line connecting tube (2), it is described two
Strip-shaped hole (37) is located at the two sides of through-hole (31), the company of being respectively arranged on first plate (33) and the second plate (34)
Bar (371), the protruding strip-shaped hole of the connecting rod (371) (37)；It is provided in the slideway (32) and fixes the first plate (33)
With the locking member of the second plate (34), the locking member is located at the two sides of the first plate (33) and the second plate (34)；Institute
Stating locking member is screw rod (4), and the screw rod (4) connect with the sidewall thread of check valve plate (3), one end of the screw rod (4) from
The side end face of check valve plate (3) is stretched out, and the other end is pushed against the first plate (33) or the second plate (34) far from through-hole (31)
On side end face.
2. a kind of pump line check-valves of concrete pump according to claim 1, it is characterised in that: the screw rod (4)
It is pierced by the side wall of the bolt head of check valve plate (3) side end face and is provided with non-slip texture.
3. a kind of pump line check-valves of concrete pump according to claim 1, it is characterised in that: the screw rod (4)
One end far from bolt head is provided with rubber pad (41).
4. a kind of pump line check-valves of concrete pump according to claim 1-3, it is characterised in that: described
First plate (33) offers V-groove (331) on a side end face at through-hole (31) center, and second plate (34) is close
The V-block (341) matched with V-groove (331) is provided on one side end face of through-hole (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821610276.1U CN209324648U (en) | 2018-09-30 | 2018-09-30 | A kind of pump line check-valves of concrete pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821610276.1U CN209324648U (en) | 2018-09-30 | 2018-09-30 | A kind of pump line check-valves of concrete pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209324648U true CN209324648U (en) | 2019-08-30 |
Family
ID=67707444
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821610276.1U Expired - Fee Related CN209324648U (en) | 2018-09-30 | 2018-09-30 | A kind of pump line check-valves of concrete pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209324648U (en) |
-
2018
- 2018-09-30 CN CN201821610276.1U patent/CN209324648U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190830 Termination date: 20200930 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |