CN114508608A - Anti-blocking grouting gun head - Google Patents
Anti-blocking grouting gun head Download PDFInfo
- Publication number
- CN114508608A CN114508608A CN202111672781.5A CN202111672781A CN114508608A CN 114508608 A CN114508608 A CN 114508608A CN 202111672781 A CN202111672781 A CN 202111672781A CN 114508608 A CN114508608 A CN 114508608A
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- China
- Prior art keywords
- slurry
- gun head
- valve core
- inlet
- switching valve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000002002 slurry Substances 0.000 claims abstract description 132
- 239000011440 grout Substances 0.000 claims abstract description 38
- 238000007789 sealing Methods 0.000 claims description 5
- 238000007664 blowing Methods 0.000 claims description 2
- 239000004570 mortar (masonry) Substances 0.000 claims 2
- 238000005507 spraying Methods 0.000 claims 1
- 239000000463 material Substances 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 5
- 238000004891 communication Methods 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 3
- 239000010410 layer Substances 0.000 description 3
- 239000010426 asphalt Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 201000010099 disease Diseases 0.000 description 2
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000007569 slipcasting Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 239000011800 void material Substances 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K11/00—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves
- F16K11/02—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C19/00—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
- E01C19/02—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for preparing the materials
- E01C19/08—Apparatus for transporting and heating or melting asphalt, bitumen, tar, or the like
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K19/00—Arrangements of valves and flow lines specially adapted for mixing fluids
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/12—Actuating devices; Operating means; Releasing devices actuated by fluid
- F16K31/122—Actuating devices; Operating means; Releasing devices actuated by fluid the fluid acting on a piston
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Lift Valve (AREA)
Abstract
The invention discloses an anti-blocking grouting gun head which comprises a gun head body, wherein a slurry inlet is formed in one end of the gun head body, a handle and an air cylinder are arranged at the other end of the gun head body, and the air cylinder is controlled by a controller; a pull rod is arranged in the gun head body, one end of the pull rod is connected with a piston rod of the air cylinder, the other end of the pull cylinder is connected with a switching valve core, the switching valve core comprises a slurry inlet hole and a slurry outlet hole, and the slurry inlet hole is matched with a slurry inlet of the gun head body and used for switching the on-off of slurry; the gun head body is provided with an air inlet. The invention controls the on-off of the grout by switching the valve core, can fully mix various grout, and ensures the quality of grouting materials; when the gun head is cleaned, the residual slurry of the gun head can be effectively sprayed out, and the slurry outlet is ensured not to be blocked.
Description
Technical Field
The invention relates to asphalt pavement grouting equipment, in particular to an anti-blocking grouting gun head.
Background
The semi-rigid base course is one of the main base course types of the pavement base course, and is widely applied to high-grade roads due to good structural performance and low manufacturing cost. The crack problem of the single semi-rigid base layer is difficult to avoid, and the crack problem can be developed into serious diseases such as loosening and void when the crack is not treated in time, so that the structural stability of the pavement is seriously influenced. In the past, the crack diseases of semi-rigid base asphalt pavements are usually treated by adopting an excavation-type treatment method, a surface layer is milled and then treated by using an anti-crack paste mode on a base layer, and in recent years, the non-excavation-type treatment method is more and more applied to entity engineering, namely grouting and repairing the base layer cracks. The grouting material often has a relatively high viscosity, which can cause the blockage of the grouting gun head, and at the moment, an anti-blocking grouting gun head is needed to solve the problems.
In the prior art, the grouting gun head is easy to block, and can be continuously used only by frequently cleaning the grouting gun head, so that the effect and efficiency of grouting engineering can be seriously influenced.
Disclosure of Invention
The purpose of the invention is as follows: aiming at the problems in the prior art, the invention provides the anti-blocking grouting gun head, which can effectively solve the problem of gun head blockage and improve grouting efficiency and quality.
The technical scheme is as follows: an anti-blocking grouting gun head, comprising: the device comprises a gun head body, wherein one end of the gun head body is provided with a slurry inlet, the other end of the gun head body is provided with a handle and an air cylinder, and the air cylinder is controlled by a controller; a pull rod is arranged in the gun head body, one end of the pull rod is connected with a piston rod of the air cylinder, the other end of the pull cylinder is connected with a switching valve core, the switching valve core comprises a slurry inlet hole and a slurry outlet hole, and the slurry inlet hole is matched with a slurry inlet of the gun head body and used for switching the on-off of slurry; the gun head body is provided with an air inlet;
during grouting, a slurry inlet hole of the switching valve core is communicated with a slurry inlet, a slurry outlet hole of the switching valve core is communicated with a slurry outlet, and slurry enters the switching valve core from the slurry inlet and is output from the slurry outlet; after grouting is finished, the controller controls the cylinder to act, the pull rod drives the switching valve core to move under the driving of the piston rod, so that a grout inlet hole and a grout inlet of the switching valve core are staggered, a body of the switching valve core is matched with a cavity at the position of the grout inlet, when the grout inlet hole and the grout inlet of the switching valve core are staggered, the grout inlet is sealed by the body of the switching valve core, and meanwhile, an air inlet is communicated with a grout outlet of the gun head; blowing air to the air inlet to blow out the residual slurry in the slurry outlet.
Furthermore, a plurality of slurry inlets are formed in the gun head body, the switching valve core is a multi-channel valve core and comprises a plurality of slurry inlets, and the slurry inlets are matched with the slurry inlets; different slurry is input into the switching valve core from the slurry inlet, and is output from the slurry outlet after being fully mixed in the switching valve core.
Preferably, after grouting is finished, the controller controls the cylinder to act, the pull rod drives the switching valve core to move under the driving of the piston rod, the slurry inlet hole and the slurry inlet are staggered, the slurry outlet hole is communicated with the slurry outlet, the slurry inlet hole is coincided with the air inlet, and the air inlet is communicated with the slurry outlet of the gun head through the switching valve core.
Furthermore, an angle valve is installed on the pulp inlet.
Furthermore, a sealing ring is arranged between the pull rod and the gun head body.
Furthermore, the grouting extension rod is detachably connected with the slurry outlet of the gun head. And a grouting needle is arranged on the grouting extension bar.
Furthermore, a sheath is sleeved on the cylinder.
Furthermore, a corrugated pipe branch is installed on the gun head body.
Has the advantages that: compared with the prior art, the invention has the following remarkable progress:
1. the valve core is switched to control the on-off of the grout, and the grouting valve core can fully mix various grout in the grouting process, so that the quality of grouting materials is guaranteed; after grouting is finished, the grouting valve core can cut off the entering of grout, and the sealing performance is good; when the gun head is cleaned, the air inlet can effectively spray out residual slurry of the gun head, and the slurry outlet is ensured not to be blocked. In a preferred scheme, the air inlet can also be communicated with the slurry outlet of the gun head through the switching valve core, and the switching valve core and the gun head are cleaned simultaneously. Due to the good sealing performance of the structure, the high-pressure cleaning process can not affect the pull rod and the air cylinder on the other side, and the equipment has good durability and stability.
2. Through configuration detachable slip casting extension bar and slip casting syringe needle for the thick liquid can be crowded into the crack under the high-pressure effect, and abundant infiltration carries out abundant shutoff to the crack and restores to the depths of slight crack.
Drawings
FIG. 1 is a schematic structural diagram of an anti-blocking grouting gun head according to an embodiment of the invention;
FIG. 2 is a top cross-sectional view of FIG. 1;
fig. 3 is a schematic structural diagram of a switching valve core according to an embodiment of the present invention.
Detailed Description
In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention.
As shown in fig. 1-3, an anti-blocking grouting gun head comprises a gun head body 18, wherein a slurry inlet is formed in one end of the gun head body 18, a handle 8 and an air cylinder 9 are arranged at the other end of the gun head body 18, and the air cylinder 9 is controlled by a controller; a pull rod 13 is transversely arranged in the gun head body 18, one end of the pull rod 13 is connected with a piston rod of the air cylinder 9, the other end of the pull cylinder is connected with a switching valve core 12, the switching valve core 12 comprises a slurry inlet hole and a slurry outlet hole 121, and the slurry inlet hole is matched with a slurry inlet of the gun head body 18 and used for switching the on-off of slurry; the gun head body 18 is provided with an air inlet 4.
Aiming at the construction of multi-component slurry, a plurality of slurry inlets can be formed in the gun head body 18, at the moment, the switching valve core 12 is a multi-channel valve core and comprises a plurality of slurry inlets, and the number, size and positions of the slurry inlets and the slurry inlets are correspondingly arranged. Different kinds of slurry enter the switching valve core 12 from different slurry inlets, are fully mixed in the switching valve core 12 and then are discharged from the slurry outlet 11.
It should be noted that the arrangement of the slurry inlet and outlet on the switching valve core 12 should be adapted to the positions of the slurry inlet and outlet 11 on the gun head body 18, and the shape and size of the switching valve core 12 should be adapted to the shape and size of the cavity where the slurry inlet is located, so that the switching valve core 12 can move back and forth in the cavity of the gun head under the traction of the pull rod 13, and in the moving process, the slurry inlet can be overlapped or staggered with the slurry inlet of the switching valve core 12, and when the slurry inlet is communicated with the slurry outlet and the slurry outlet is communicated with the slurry outlet 11, the slurry is injected; when the slurry inlet and the slurry outlet are staggered, the slurry inlet is sealed by the body of the switching valve core 12, and slurry cannot enter.
The invention does not limit the position of the switching valve core 12 in the initial state, namely the initial position of the slurry inlet hole can be communicated with the slurry inlet or can be staggered with the slurry inlet, when the initial position of the slurry inlet hole is communicated with the slurry inlet and the slurry outlet hole is also communicated with the slurry outlet 11, the slurry injection can be started without adjusting the position of the switching valve core, when the initial position of the slurry inlet hole is staggered with the slurry inlet, the air cylinder is controlled by the controller, the switching valve core 12 is adjusted by the pull rod 13, so that the slurry inlet hole on the switching valve core 12 is communicated with the slurry inlet, and then the slurry injection is started. The communication state of the slurry outlet hole and the slurry outlet 11 may be a normal communication state, and may also be connected/disconnected with the movement of the switching valve core 12, which is not limited herein.
After grouting is finished, the controller controls the cylinder 9 to act, the pull rod 13 drives the switching valve core 12 to move under the driving of the piston rod, so that a grout inlet hole and a grout inlet of the switching valve core 12 are staggered, the grout inlet is sealed by the body of the switching valve core 12, grout cannot flow into the switching valve core 12, at the moment, the air inlet 4 and the grout outlet 11 are communicated, air is blown into the air inlet 4, and residual grout in the grout outlet 11 is blown out.
It should be noted that, the position of the air inlet 4 and the initial communication state with the slurry outlet 11 are not limited in the present invention, and the two may be in a normal communication state, or may be communicated by adjusting the position of the switching valve element, and a preferred embodiment of the present invention is as follows:
the air inlet 4 is arranged on one side of the grout inlet, after grouting is completed, the controller controls the air cylinder 9 to act, the pull rod 13 drives the switching valve core 12 to move under the driving of the piston rod, the grout inlet hole and the grout inlet are staggered and switched to be overlapped with the air inlet 4, at the moment, the grout outlet hole and the grout outlet 11 still keep a communicated state, the air inlet 4 is communicated with the grout outlet 11 of the gun head through the grout inlet hole of the switching valve core 12 and the grout outlet hole, and under the structure, residual grout in the nozzles of the switching valve core and the gun head can be blown out simultaneously.
In conclusion, during grouting, the slurry inlet hole and the slurry inlet of the switching valve core 12 are ensured to be communicated, and the slurry outlet hole 121 of the switching valve core 12 is communicated with the slurry outlet 11; when residual slurry of the gun head is cleaned, the air inlet 4 and the slurry outlet 11 are communicated, and during cleaning, the slurry outlet of the gun head can be cleaned only or the switching valve core and the slurry outlet can be cleaned simultaneously.
In this embodiment, the gun head body 18 is provided with a slurry inlet 2 a and a slurry inlet 3B, the switch valve core 12 is a two-in one-out valve, and includes a first slurry inlet hole 122 and a second slurry inlet hole (not shown in fig. 3), and the first slurry inlet hole 122 and the second slurry inlet hole are disposed on two sides of the switch valve core 12.
The cylinder 9 comprises an A air pipe joint 15 and a B air pipe joint 16, during grouting, air inlet pressure of the B air pipe joint 16 acts on a cylinder piston, the A air pipe joint 15 exhausts air, a piston rod drives a pull rod 13, the pull rod 13 drives a switching valve core 12, a first pulp inlet hole 122 in the valve core coincides with a pulp inlet port A2, a second pulp inlet hole in the valve core coincides with a pulp inlet port B3, and pulp A and pulp B enter the valve core and are mixed to discharge pulp.
When the needle head is cleaned of residual slurry, the air inlet pressure of the air pipe joint 15A acts on a piston of the air cylinder, the air pipe joint 16B exhausts air, the piston rod drives the pull rod, the pull rod 13 drives the switching valve core 12, the first slurry inlet hole 122 on the valve core is staggered with the slurry inlet opening A by 2, the second slurry inlet hole on the valve core is staggered with the slurry inlet opening B by 3, the air inlet 4 is superposed with the first slurry inlet hole 122 on the valve core, high-pressure air enters the valve core through the air inlet 4, and residual slurry inside the valve core and at the slurry outlet opening of the gun head is exhausted along with air.
Preferably, the slurry inlet A2 and the slurry inlet B3 are respectively provided with a slurry angle valve A5 and a slurry angle valve B17. The pull rod 13 is provided with a seal ring 14 for ensuring the sealing between the pull rod 13 and the gun head body 18. The bellows support 6 is arranged on the gun head body 18, so that the gun head is convenient to store/assemble. The cylinder 9 is sleeved with a sheath 10 for protecting the cylinder 9.
Aiming at different working condition requirements, a grouting extension bar 1 is arranged at the position of the gun head and detachably connected with a gun head grout outlet 11. In addition, a grouting needle can be arranged on the grouting extension rod 1 and used for injecting grout into the deep part of a crack.
Claims (9)
1. The utility model provides an anti-blocking grouting gun head which characterized in that: the mortar spraying gun comprises a gun head body (18), wherein a mortar inlet is formed in one end of the gun head body (18), a handle (8) and an air cylinder (9) are arranged at the other end of the gun head body (18), and the air cylinder (9) is controlled by a controller; a pull rod (13) is arranged in the gun head body (18), one end of the pull rod (13) is connected with a piston rod of the air cylinder (9), the other end of the pull cylinder is connected with a switching valve core (12), the switching valve core (12) comprises a pulp inlet hole and a pulp outlet hole (121), and the pulp inlet hole is matched with a pulp inlet of the gun head body (18) and used for switching the on-off of pulp; the gun head body (18) is provided with an air inlet (4);
during grouting, a slurry inlet hole of the switching valve core (12) is communicated with a slurry inlet, a slurry outlet hole (121) of the switching valve core (12) is communicated with a slurry outlet (11), and slurry enters the switching valve core (12) from the slurry inlet and is output from the slurry outlet (11); after grouting is finished, the controller controls the cylinder (9) to act, the pull rod (13) drives the switching valve core (12) to move under the driving of the piston rod, so that a grout inlet hole and a grout inlet of the switching valve core (12) are staggered, the body of the switching valve core (12) is matched with the cavity at the position of the grout inlet, when the grout inlet hole and the grout inlet of the switching valve core (12) are staggered, the grout inlet is sealed by the body of the switching valve core (12), and meanwhile, the air inlet (4) is communicated with the grout outlet (11) of the gun head; blowing air into the air inlet (4) to blow out the residual slurry in the slurry outlet (11).
2. An anti-blocking grouting gun head according to claim 1, characterized in that: the gun head body (18) is provided with a plurality of slurry inlets, the switching valve core (12) is a multi-channel valve core and comprises a plurality of slurry inlets, and the slurry inlets are matched with the slurry inlets; different slurry is input into the switching valve core (12) from the slurry inlet, and is fully mixed in the switching valve core (12) and then is output from the slurry outlet (11).
3. An anti-blocking grouting gun head according to claim 1 or 2, characterized in that: after grouting is finished, the controller controls the cylinder (9) to act, the pull rod (13) drives the switching valve core (12) to move under the driving of the piston rod, the slurry inlet hole and the slurry inlet are staggered, the slurry outlet hole is communicated with the slurry outlet (11), the slurry inlet hole is coincided with the air inlet (4), and the air inlet (4) is communicated with the slurry outlet (11) of the gun head through the switching valve core (12).
4. An anti-blocking grouting gun head according to claim 1, characterized in that: an angle valve is arranged on the pulp inlet.
5. An anti-blocking grouting gun head according to claim 1, characterized in that: and a sealing ring (14) is arranged between the pull rod (13) and the gun head body (18).
6. An anti-blocking grouting gun head according to claim 1, characterized in that: comprises a grouting extension bar (1) which is detachably connected with a gun head grout outlet (11).
7. An anti-blocking grouting gun head according to claim 6, characterized in that: the grouting lengthening bar (1) is provided with a grouting needle.
8. An anti-blocking grouting gun head according to claim 1, characterized in that: the cylinder (9) is sleeved with a sheath (10).
9. An anti-blocking grouting gun head according to claim 1, characterized in that: the gun head body (18) is provided with a corrugated pipe support (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111672781.5A CN114508608A (en) | 2021-12-31 | 2021-12-31 | Anti-blocking grouting gun head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111672781.5A CN114508608A (en) | 2021-12-31 | 2021-12-31 | Anti-blocking grouting gun head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114508608A true CN114508608A (en) | 2022-05-17 |
Family
ID=81547918
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111672781.5A Pending CN114508608A (en) | 2021-12-31 | 2021-12-31 | Anti-blocking grouting gun head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114508608A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100213281A1 (en) * | 2007-10-13 | 2010-08-26 | Itw Gema Gmbh | Feeding device for powder spray coating device |
| CN205025107U (en) * | 2015-08-17 | 2016-02-10 | 青岛天源伟业保温防水工程有限公司 | Detachable spiral slip casting syringe needle |
| CN205731706U (en) * | 2016-05-17 | 2016-11-30 | 复旦大学 | Extra quality mixture spray gun |
| CN110295599A (en) * | 2019-05-21 | 2019-10-01 | 安徽永泰科技有限公司 | A kind of proportioner suitable for biliquid single system chemical grouting |
| CN213088822U (en) * | 2020-09-02 | 2021-04-30 | 浙江省东阳市永安阀门仪表有限公司 | Pneumatic two-position four-way slide valve |
-
2021
- 2021-12-31 CN CN202111672781.5A patent/CN114508608A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100213281A1 (en) * | 2007-10-13 | 2010-08-26 | Itw Gema Gmbh | Feeding device for powder spray coating device |
| CN205025107U (en) * | 2015-08-17 | 2016-02-10 | 青岛天源伟业保温防水工程有限公司 | Detachable spiral slip casting syringe needle |
| CN205731706U (en) * | 2016-05-17 | 2016-11-30 | 复旦大学 | Extra quality mixture spray gun |
| CN110295599A (en) * | 2019-05-21 | 2019-10-01 | 安徽永泰科技有限公司 | A kind of proportioner suitable for biliquid single system chemical grouting |
| CN213088822U (en) * | 2020-09-02 | 2021-04-30 | 浙江省东阳市永安阀门仪表有限公司 | Pneumatic two-position four-way slide valve |
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Application publication date: 20220517 |