CN209585014U - Penstock reserves protective device of the grout hole in grouting construction - Google Patents
Penstock reserves protective device of the grout hole in grouting construction Download PDFInfo
- Publication number
- CN209585014U CN209585014U CN201920187600.1U CN201920187600U CN209585014U CN 209585014 U CN209585014 U CN 209585014U CN 201920187600 U CN201920187600 U CN 201920187600U CN 209585014 U CN209585014 U CN 209585014U
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- China
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- grout
- hole
- penstock
- fishplate bar
- sleeve pipe
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Abstract
The utility model discloses a kind of penstocks to reserve protective device of the grout hole in grouting construction, including for reserving the protection sleeve pipe that grout hole is connected with penstock, the protection sleeve pipe includes sleeve body and the connecting tube that sleeve body one end is arranged in, described sleeve pipe ontology and connecting tube are round tube, the outer diameter of described sleeve pipe ontology is greater than the outer diameter of the connecting tube, the external screw thread that the internal screw thread for reserving grout hole hole wall with the penstock constitutes screw-driven cooperation is offered on the outer wall of the connecting tube, the inside of the connecting tube is connected to constitute the drilled tunnel protruded into for the drill bit and drilling rod of hand air drill machine with the inside of described sleeve pipe ontology.The protective device structure is simple, can effectively realize the protective effect that grout hole screw thread is reserved to penstock, can guarantee the circulation of slurries in grouting and play the role of controlling slurry pressure in stable state.
Description
Technical field
The utility model, which belongs to, reserves the plasma pouring constructing skill that grout hole carries out consolidation grouting to country rock using penstock
Field is specifically related to a kind of reserved protective device of the grout hole in grouting construction of penstock.
Background technique
In recent years, with the increase of hydroenergy storage station installed capacity, the increase of pipeline, the raising of head, to water delivery system
Country rock and penstock in system bear internal water pressure and propose higher requirement.To improve the energy that water-carriage system bears interior water
Power, need to the peripheral rock to penstock in water-carriage system carry out consolidation and rockfill grouting processing.
Penstock is just reserved with grout hole in design, production, and vehicle has screw thread and by steel silk in the hole of grout hole
It is stifled to carry out closure protection.
The consolidation grouting of country rock need to be drilled and be in the milk by reserved grout hole.Hand wind is used in grouting construction
Drill hole of drilling machine.If do not protected to aperture, steel pipe preformed hole screw thread will be caused to damage, later period silk plug is influenced and be screwed into, it is right
Steel pipe entirety bearing capacity causes to seriously affect.
Utility model content
The purpose of the utility model is to overcome above-mentioned deficiencies in the prior art, provide a kind of reserved grouting of penstock
Protective device of the hole in grouting construction.The protective device structure is simple, can effectively realize and reserve grout hole to penstock
The protective effect of screw thread.
In order to achieve the above purposes, the technical solution adopted by the utility model is:, and the reserved grout hole of penstock is applied in grouting
The protective device in working hour, it is characterised in that: including for reserving the protection sleeve pipe that grout hole is connected, the guarantor with penstock
Protecting pipe includes sleeve body and the connecting tube that sleeve body one end is arranged in, and described sleeve pipe ontology and connecting tube are round tube,
The outer diameter of described sleeve pipe ontology is greater than the outer diameter of the connecting tube, offer on the outer wall of the connecting tube for the pressure
The internal screw thread that steel pipe reserves grout hole hole wall constitutes the external screw thread of screw-driven cooperation, the inside of the connecting tube and described sleeve pipe
The inside of ontology is connected to constitute the drilled tunnel protruded into for the drill bit and drilling rod of hand air drill machine.
Above-mentioned penstock reserves protective device of the grout hole in grouting construction, it is characterised in that: described sleeve pipe sheet
Body is equipped with the switching device for being connected with grout pipe far from one end of the connecting tube.
Above-mentioned penstock reserves protective device of the grout hole in grouting construction, it is characterised in that: the switching dress
It sets including transfer tube and quick access device, the quick access device includes the first fast fishplate bar and the activity for being mounted on described transfer tube one end
The fast fishplate bar of second be mounted on the grout pipe offers circular hole on the first fast fishplate bar and the second fast fishplate bar, described
The circular hole hole wall of first fast fishplate bar is fixedly connected with the transfer tube, the circular hole hole wall and the grout pipe of the second fast fishplate bar
In being slidably matched, the first fast fishplate bar and the second fast fishplate bar are connected outer wall by positioning bolt, the transfer tube it is another
End is provided with for constituting the connector being threadedly coupled with sleeve body, and the inside of the transfer tube is connected with the inside of the connector
Pass to composition grouting channel.
Above-mentioned penstock reserves protective device of the grout hole in grouting construction, it is characterised in that: the grout pipe
On be provided with baffle for preventing the second fast fishplate bar from falling off.
Above-mentioned penstock reserves protective device of the grout hole in grouting construction, it is characterised in that: described first is fast
It is provided between fishplate bar and the second fast fishplate bar close for preventing slurries from flowing out between grout pipe and grouting channel inner wall
Seal；It is provided on described sleeve pipe ontology for will be led derived from the slurries between the grout pipe and the drilled tunnel inner wall
Pipe.
Above-mentioned penstock reserves protective device of the grout hole in grouting construction, it is characterised in that: on the conduit
It is provided with flow control valve.
Above-mentioned penstock reserves protective device of the grout hole in grouting construction, it is characterised in that: described sleeve pipe sheet
The pressure gauge for being monitored to the slurry pressure between the grout pipe and the drilled tunnel inner wall is provided on body.
Above-mentioned penstock reserves protective device of the grout hole in grouting construction, it is characterised in that: described first is fast
It is provided on the circular hole hole wall of fishplate bar for circular mounting slot compatible with the sealing ring.
Compared with the prior art, the utility model has the following advantages:
1, the utility model reserves the protection of grout hole screw thread using protection sleeve pipe to penstock, avoids in drilling,
The hole wall for rocking and reserving grout hole to penstock of hand air drill machine damages.
2, the utility model can not only realize that the protection for reserving grout hole screw thread to penstock is made by protection sleeve pipe
With, while can also realize effective recycling to reflux slurries.
3, by the way that sealing ring is arranged between the first fast fishplate bar and the second fast fishplate bar, can play prevents from starching the utility model
Liquid (the reflux slurries after being in the milk) flows out between grout pipe and grouting channel inner wall.
4, the utility model on the circular hole hole wall of the first fast fishplate bar by being arranged circular mounting slot, the circular mounting slot
It can be adapted with sealing ring with circular mounting slot described in effective position.
5, the cost of implementation of the utility model is low, and using effect is good, convenient for promoting the use of.
Below by drawings and examples, the technical solution of the utility model is described in further detail.
Detailed description of the invention
It, below will be to embodiment or existing in order to illustrate more clearly of the utility model or technical solution in the prior art
Attached drawing needed in technical description is briefly described, it should be apparent that, drawings discussed below is only that this is practical
Novel some embodiments for those skilled in the art without creative efforts, can also basis
These attached drawings obtain other attached drawings.
Fig. 1 is the structural schematic diagram of the utility model embodiment 1.
Fig. 2 is the structural schematic diagram of the utility model embodiment 2.
Fig. 3 is the positional diagram of the second fast fishplate bar, grout pipe and baffle in the utility model embodiment 2.
Fig. 4 is the structural schematic diagram of the first fast fishplate bar in the utility model embodiment 2.
Description of symbols:
1-protection sleeve pipe；1a-sleeve body；1b-connecting tube；
1c-drilled tunnel；1d-conduit；1e-control valve；
1f-pressure gauge；2-switching devices；2a-transfer tube；
The fast fishplate bar of 2b-first；2ba-circular mounting slot；The fast fishplate bar of 2c-second；
2d-positioning bolt；2e-locking nut；2f-connector；
2g-grouting channel；2h-sealing ring；3-grout pipes；
3a-baffle.
Specific embodiment
Many details are explained in the following description in order to fully understand the application.But the application can be with
Much it is different from other way described herein to implement, those skilled in the art can be without prejudice to the application intension the case where
Under do similar popularization, therefore the application is not limited by following public specific implementation.
Embodiment 1
A kind of penstock as shown in Figure 1 reserves protective device of the grout hole in grouting construction, including protection sleeve pipe
1, the protection sleeve pipe 1 includes sleeve body 1a and connecting tube 1b.
Described sleeve pipe ontology 1a is round tube, and one end of described sleeve pipe ontology 1a is arranged in the connecting tube 1b.
The connecting tube 1b is also round tube.The outer diameter of described sleeve pipe ontology 1a is greater than the outer diameter of the connecting tube 1b, casing
Size that ontology 1a and penstock reserve grout hole is adapted so that it is convenient to which that connecting tube 1b is protruded into the penstock is pre-
It stays in grout hole.External screw thread is offered on the outer wall of the connecting tube 1b, the external screw thread on the connecting tube 1b outer wall with it is described
The internal screw thread that penstock reserves grout hole hole wall constitutes screw-driven cooperation.
The inside of the connecting tube 1b is connected with the inside of described sleeve pipe ontology 1a, the inside of the connecting tube 1b and institute
The drilled tunnel 1c protruded into for the drill bit and drilling rod of hand air drill machine is constituted after stating the inside connection of sleeve body 1a.
In the present embodiment, which when in use, i.e., protrudes into the protection by the drill bit and drilling rod of hand air drill machine
When casing 1 drills to country rock, the drill bit of hand air drill machine and drilling rod are passed through into the protection sleeve pipe 1, it is right using protection sleeve pipe 1
Penstock reserves the protection of grout hole screw thread (internal screw thread that i.e. above-mentioned penstock reserves grout hole hole wall), avoids boring
Kong Shi, the drill bit of hand air drill machine and bores vibration of bar and reserves grout hole screw thread to penstock and damage.
Embodiment 2
As shown in Fig. 2, the present embodiment difference from example 1 is that: on the basis of embodiment 1, the protection dress
The switching device 2 being additionally arranged for being connected with grout pipe 3 is set, the setting of switching device 2 is separate in described sleeve pipe ontology 1a
One end of the connecting tube 1b.
As shown in Fig. 2, the switching device 2 includes transfer tube 2a and quick access device.
The quick access device includes the first fast fast fishplate bar 2c of fishplate bar 2b and second, and the first fast fishplate bar 2b and second connects fastly
Plate 2c is elliptical flat-plate, offers circular hole, the first fast fishplate bar on the first fast fast fishplate bar 2c of fishplate bar 2b and second
2b, which covers to constitute on transfer tube 2a by circular hole thereon, to be fixedly connected, and the second fast fishplate bar 2c is covered by circular hole thereon
It constitutes and is slidably matched on the grout pipe 3, the first fast fast fishplate bar 2c of fishplate bar 2b and second is connected by positioning bolt 2d
And it is fastened by locking nut 2e.
In the present embodiment, preferred way is that the quantity of the positioning bolt 2d is two, two positioning bolt 2d
Circular hole about the described first fast fishplate bar 2b and the second fast fishplate bar 2c is symmetrical.
One end of the transfer tube 2a is arranged in the first fast fishplate bar 2b, and the other end of the transfer tube 2a, which is provided with, to be connect
Head 2f, the connector 2f are used to be threadedly coupled with sleeve body 1a composition, the inside of the transfer tube 2a and the connector 2f's
Inside is connected to constitute grouting channel 2g.
As shown in figure 3, being provided with baffle 3a on the grout pipe 3, the baffle 3a is fixedly connected with the grout pipe 3,
The baffle 3a is arranged in one end on grout pipe 3 close to the first fast fishplate bar 3b, and the baffle 3a is mainly used for preventing second fast
Fishplate bar 2c falls off.
As shown in Fig. 2, it is provided with sealing ring 2h between the first fast fishplate bar 2b and the second fast fishplate bar 2c, it is described close
Seal 2h, which can be played, prevents slurries (the reflux slurries after being in the milk) from flowing out between grout pipe 3 and grouting channel 2g inner wall；
Meanwhile it is provided on described sleeve pipe ontology 1a for by the slurries between the grout pipe 3 and the drilled tunnel 1c inner wall
Derived conduit 1d.Flow control valve 1e is provided on the conduit 1d.
As shown in Fig. 2, being provided with pressure gauge 1f on described sleeve pipe ontology 1a, the pressure gauge 1f is used for the grout pipe
Slurry pressure between 3 and the drilled tunnel 1c inner wall is real-time, effectively monitored.
As shown in figure 4, circular mounting slot 2ba is provided on the circular hole hole wall of the first fast fishplate bar 2b, the round peace
The effect of tankage 2ba is adapted with the sealing ring 2h with circular mounting slot 2ba described in effective position, the circular mounting slot
2ba constitutes step-like relative to the circular hole on the first fast fishplate bar 2b.
In the present embodiment, such as it is above-mentioned it is found that the protective device when in use, by grout pipe 3 successively through transfer tube 2a, connector
2f, sleeve body 1a and connecting tube 1b (sequentially passing through grouting channel 2g and drilled tunnel 1c) are in the milk to country rock, pass through
Protection sleeve pipe 1 realizes the protection that grout hole screw thread is reserved to penstock, while can also realize the recycling to reflux slurries
It is recycled.
The above is only the preferred embodiment of the utility model, not imposes any restrictions to the utility model, all
According to the utility model technical spirit any simple modification, change and equivalent structure transformation to the above embodiments, still
Belong in the protection scope of technical solutions of the utility model.
Claims (8)
1. penstock reserves protective device of the grout hole in grouting construction, it is characterised in that: including being used for and penstock
The protection sleeve pipe (1) that reserved grout hole is connected, the protection sleeve pipe (1) include sleeve body (1a) and are arranged in sleeve body
The connecting tube (1b) of the one end (1a), described sleeve pipe ontology (1a) and connecting tube (1b) are round tube, described sleeve pipe ontology (1a)
Outer diameter is greater than the outer diameter of the connecting tube (1b), offers on the outer wall of the connecting tube (1b) for pre- with the penstock
The internal screw thread of grout hole hole wall is stayed to constitute the external screw thread of screw-driven cooperation, the inside of the connecting tube (1b) and described sleeve pipe sheet
The inside of body (1a) is connected to constitute the drilled tunnel (1c) protruded into for the drill bit and drilling rod of hand air drill machine.
2. penstock according to claim 1 reserves protective device of the grout hole in grouting construction, it is characterised in that:
Described sleeve pipe ontology (1a) is equipped with the switching device for being connected with grout pipe (3) far from the one end of the connecting tube (1b)
(2)。
3. penstock according to claim 2 reserves protective device of the grout hole in grouting construction, it is characterised in that:
The switching device (2) includes transfer tube (2a) and quick access device, and the quick access device includes being mounted on the transfer tube (2a)
The fast fishplate bar of the first of one end (2b) and the second fast fishplate bar (2c) being movably arranged on the grout pipe (3), described first connects fastly
Circular hole, the circular hole hole wall and the transfer tube of the first fast fishplate bar (2b) are offered on plate (2b) and the second fast fishplate bar (2c)
(2a) is fixedly connected, and the circular hole hole wall of the second fast fishplate bar (2c) and the grout pipe (3) outer wall are in being slidably matched, and described the
One fast fishplate bar (2b) is connected with the second fast fishplate bar (2c) by positioning bolt (2d), the other end setting of the transfer tube (2a)
Have for constituting the connector (2f) being threadedly coupled, the inside of the transfer tube (2a) and the connector (2f) with sleeve body (1a)
Inside be connected to constitute grouting channel (2g).
4. penstock according to claim 3 reserves protective device of the grout hole in grouting construction, it is characterised in that:
The baffle (3a) for preventing the second fast fishplate bar (2c) from falling off is provided on the grout pipe (3).
5. penstock according to claim 3 reserves protective device of the grout hole in grouting construction, it is characterised in that:
It is provided between the first fast fishplate bar (2b) and the second fast fishplate bar (2c) for preventing slurries from grout pipe (3) and grouting
The sealing ring (2h) flowed out between channel (2g) inner wall；It is provided on described sleeve pipe ontology (1a) for by the grout pipe (3)
Conduit (1d) derived from slurries between drilled tunnel (1c) inner wall.
6. penstock according to claim 5 reserves protective device of the grout hole in grouting construction, it is characterised in that:
Flow control valve (1e) is provided on the conduit (1d).
7. penstock according to claim 5 reserves protective device of the grout hole in grouting construction, it is characterised in that:
It is provided on described sleeve pipe ontology (1a) for the slurries pressure between the grout pipe (3) and the drilled tunnel (1c) inner wall
The pressure gauge (1f) that power is monitored.
8. penstock according to claim 5 reserves protective device of the grout hole in grouting construction, it is characterised in that:
It is provided on the circular hole hole wall of the first fast fishplate bar (2b) for circular mounting slot compatible with the sealing ring (2h)
(2ba)。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920187600.1U CN209585014U (en) | 2019-02-03 | 2019-02-03 | Penstock reserves protective device of the grout hole in grouting construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920187600.1U CN209585014U (en) | 2019-02-03 | 2019-02-03 | Penstock reserves protective device of the grout hole in grouting construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209585014U true CN209585014U (en) | 2019-11-05 |
Family
ID=68354272
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920187600.1U Active CN209585014U (en) | 2019-02-03 | 2019-02-03 | Penstock reserves protective device of the grout hole in grouting construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209585014U (en) |
-
2019
- 2019-02-03 CN CN201920187600.1U patent/CN209585014U/en active Active
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| GR01 | Patent grant |