CN109914838A - A kind of spray head of anti-concrete sputtering - Google Patents
A kind of spray head of anti-concrete sputtering Download PDFInfo
- Publication number
- CN109914838A CN109914838A CN201910284313.7A CN201910284313A CN109914838A CN 109914838 A CN109914838 A CN 109914838A CN 201910284313 A CN201910284313 A CN 201910284313A CN 109914838 A CN109914838 A CN 109914838A
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- China
- Prior art keywords
- slip casting
- spray head
- jet pipe
- pipe
- support rib
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Abstract
A kind of spray head of anti-concrete sputtering of the present invention discloses one kind can open Anti-splash spray head of the shield to be protected staff in whitewashing under the promotion of concrete.It is characterized in that slip casting spray head is placed in slip casting jet pipe one end, and it is connected with slip casting jet pipe, fixing sleeve is placed on slip casting jet pipe, and close to the slip casting jet pipe other end, the fixing sleeve is fixedly connected with slip casting jet pipe, the outer diameter of the fixing sleeve gradually increases from one end to the other side, it is equidistant on the fixing sleeve to be provided with multiple support rib bit-avoiding slots, support rib bit-avoiding slot one end extends in fixing sleeve the other end face, multiple support rib one end are respectively placed in multiple support rib bit-avoiding slots, and it is hinged respectively with fixing sleeve, it is connected between two adjacent support ribs by protective cloth, protective cloth between multiple support ribs combines to form shield, the support rib is equipped with one group of engaging lug towards the side of slip casting jet pipe, one group of engaging lug is made of two engaging lugs.
Description
Technical field
A kind of spray head of anti-concrete sputtering of the present invention prevents coagulation when being related to a kind of construction concrete ejection
The spray head of soil sputtering, belongs to construction equipment field.In particular to a kind of to be opened under the promotion of concrete in whitewashing
Anti-splash spray head of the shield to be protected staff.
Background technique
Currently, carrying out gunite concrete using mixed mud pulp shooting machine carrys out construction operation, concrete mixing is sprayed by nozzle
Object is made into mud off, to prevent sandstone, soil on tunnel inner wall from falling or prevent landslide and building anti-
Only cave in, and existing pulp shooting machine spray head is only merely common tubular nozzle, in gunite concrete due to concrete quilt
High-pressure injection and go out, certain sputtering can be generated, the concrete of sputtering is splashed to operating personnel, endangers personal safety.
Notification number CN108756938A discloses a kind of construction of underground tunnel equipment, and structure includes hopper, pneumatic oscillation
The fixed device of device, electricity box, spray head, shell, spray head, wind path, rail wheel, fixed frame, fixed panel, rotor block, electricity box and shell
Body is in same horizontal line and is installed on fixed frame, and fixed frame is equipped with fixed panel, and fixation is set on fixed panel
There is rotor block, rotor block and hopper are mechanically connected, and the fixed device of spray head is mounted in shell, and the spray head of the equipment is being whitewashed
When its sputtering for having concrete, affect to operating personnel.
Summary of the invention
In order to improve above situation, a kind of spray head of anti-concrete sputtering of the present invention provides one kind can be in whitewashing
Anti-splash spray head of the shield to be protected staff is opened under the promotion of concrete.Splashing when solving whitewashing
Problem is penetrated, to provide certain security protection when personnel's operation.
A kind of spray head of anti-concrete sputtering of the present invention is achieved in that a kind of spray of anti-concrete sputtering of the present invention
Head is starched by support rib, protective cloth, connection support bar, push rod, promotion pipe, fixing sleeve, sliding sleeve, slip casting jet pipe, engaging lug, connection
Axis, spring, slip casting spray head, support rib bit-avoiding slot, connection bit-avoiding slot and piston composition, slip casting spray head are placed in slip casting jet pipe one end,
And be connected with slip casting jet pipe, fixing sleeve is placed on slip casting jet pipe, and close to the slip casting jet pipe other end, the fixing sleeve and note
Slurry jet pipe is fixedly connected, and the outer diameter of the fixing sleeve gradually increases from one end to the other side, equidistant on the fixing sleeve to be provided with
Multiple support rib bit-avoiding slots, support rib bit-avoiding slot one end extend in fixing sleeve the other end face, multiple support rib one end
It is respectively placed in multiple support rib bit-avoiding slots, and is hinged respectively with fixing sleeve, pass through protection between two adjacent support ribs
Cloth is connected, and the protective cloth between multiple support ribs combines to form shield, and the support rib is made of aluminum material, the branch
Support bone is equipped with one group of engaging lug towards the side of slip casting jet pipe, and one group of engaging lug is made of two engaging lugs, the engaging lug and
The distance between support rib one end is greater than the length of fixing sleeve, and sliding sleeve is placed on slip casting jet pipe, and is located at fixing sleeve and slip casting
Between spray head, it is equipped with gap between the sliding sleeve and slip casting jet pipe, it is equidistant on the sliding sleeve to be provided with multiple connection bit-avoiding slots,
Multiple connection support bar one end pass through the engaging lug group in connecting shaft and multiple support ribs respectively and are hinged, multiple connection support bars
The other end be respectively articulated with and be placed on sliding sleeve, and be located in multiple connection bit-avoiding slots, multiple promotions pipes are angularly distributed in
Slip casting outside of the nozzle, and between slip casting spray head and sliding sleeve, the inside bending of promotion pipe one end arc to and slip casting jet pipe
Be connected, be provided with intercommunicating pore on the slip casting jet pipe, and with push that pipe one end is corresponding to be connected to, the promotion pipe other end is provided with
Through hole, multiple push rod one end are respectively placed in multiple promotion pipes, and multiple push rod other ends are pierced by from through hole outward respectively, and
It is connected respectively with sliding sleeve, described push rod one end is equipped with piston, and is located at and pushes in pipe, on the outside of the piston and pushes on the inside of pipe
It fits, spring is equipped on the push rod, and be located at and push between pipe and sliding sleeve, the connection support bar is by aluminum material system
At, the length of the support rib is greater than the distance between fixing sleeve and slip casting spray head, and the other end of the support rib bends inwards, and
Bending angle is obtuse angle, and the outside of the shield is ring structure, and one end diameter for pushing pipe is greater than other end diameter, institute
It states and equidistant on the inner sidewall of slip casting jet pipe is provided with multiple appearance stock tanks.
Beneficial effect.
One, sputtering when whitewashing is solved the problems, such as, to provide certain security protection when personnel's operation.
Two, protective cloth cooperation support rib wraps entire spray head when device is shunk, and protects to slip casting spray head,
Prevent the drippage of slip casting spray nozzle residual concrete.
Three, easy to use and operate using to the push of push rod, carrying out expansion protection when concrete ejection automatically.
Detailed description of the invention
Fig. 1 is a kind of three-dimensional structure diagram of the spray head of anti-concrete sputtering of the present invention；
Fig. 2 is a kind of three-dimensional structure diagram of the spray head of anti-concrete sputtering of the present invention, after removing protective cloth which show it
Structure；
Fig. 3 is three-dimensional structure diagram when a kind of spray head of anti-concrete sputtering of the present invention is not used；
Fig. 4 is three-dimensional structure diagram when a kind of spray head of anti-concrete sputtering of the present invention is not used, and which show its removal is anti-
Structure after protecting cloth；
Fig. 5 is a kind of stereo-resolution figure of the spray head shotcrete pipe of anti-concrete sputtering of the present invention, only show slip casting jet pipe,
The structure of sliding sleeve and fixing sleeve；
Fig. 6 is a kind of structural schematic diagram of the spray head of anti-concrete sputtering of the present invention, only shows one group of support rib and company
Connect the structure of support rod；
Fig. 7 is that a kind of spray head of anti-concrete sputtering of the present invention pushes structural schematic diagram at pipe, only show piston with
Push the structural relation between pipe；
In attached drawing
Wherein are as follows: support rib (1), protective cloth (2), connection support bar (3), push rod (4) push pipe (5), fixing sleeve (6), sliding sleeve
(7), slip casting jet pipe (8), engaging lug (9), connecting shaft (10), spring (11), slip casting spray head (12), support rib bit-avoiding slot (13),
It connects bit-avoiding slot (14), piston (15).
Specific embodiment:
A kind of spray head of anti-concrete sputtering of the present invention is achieved in that by support rib (1), protective cloth (2), connection support
Bar (3), push rod (4) push pipe (5), fixing sleeve (6), sliding sleeve (7), slip casting jet pipe (8), engaging lug (9), connecting shaft (10), bullet
Spring (11), slip casting spray head (12), support rib bit-avoiding slot (13), connection bit-avoiding slot (14) and piston (15) composition, slip casting spray head
(12) it is placed in slip casting jet pipe (8) one end, and is connected with slip casting jet pipe (8), fixing sleeve (6) is placed on slip casting jet pipe (8), and
Close to slip casting jet pipe (8) other end, the fixing sleeve (6) is fixedly connected with slip casting jet pipe (8), the outer diameter of the fixing sleeve (6)
It gradually increases from one end to the other side, it is equidistant on the fixing sleeve (6) to be provided with multiple support rib bit-avoiding slots (13), the support
Bone bit-avoiding slot (13) one end extends in fixing sleeve (6) the other end face, and multiple support rib (1) one end are respectively placed in multiple supports
It in bone bit-avoiding slot (13), and is hinged respectively with fixing sleeve (6), passes through protective cloth (2) phase between two adjacent support ribs (1)
It connecting, protective cloth (2) combination between multiple support ribs (1) forms shield, and the support rib (1) is made of aluminum material,
The support rib (1) is equipped with one group of engaging lug (9) towards the side of slip casting jet pipe (8), and one group of engaging lug (9) is by two engaging lugs
(9) it forms, the distance between the engaging lug (9) and support rib (1) one end are greater than the length of fixing sleeve (6), and sliding sleeve (7) is nested with
In on slip casting jet pipe (8), and between fixing sleeve (6) and slip casting spray head (12), the sliding sleeve (7) and slip casting jet pipe (8) it
Between be equipped with gap, it is equidistant on the sliding sleeve to be provided with multiple connection bit-avoiding slots (14), multiple connection support bar (3) one end difference
It is hinged by engaging lug (9) group in connecting shaft (10) and multiple support ribs (1), the other end of multiple connection support bars (3)
It is respectively articulated with and is placed on sliding sleeve (7), and be located in multiple connection bit-avoiding slots (14), multiple promotion pipes (5) are angularly distributed
On the outside of slip casting jet pipe (8), and between slip casting spray head (12) and sliding sleeve (7), the promotion manages (5) one end arc to infolding
It is curved that intercommunicating pore is provided on the slip casting jet pipe (8) to being connected with slip casting jet pipe (8), and company corresponding with pipe (5) one end is pushed
Logical, described promotion pipe (5) other end is provided with through hole, and multiple push rod (4) one end are respectively placed in multiple promotion pipes (5), multiple
Push rod (4) other end is pierced by from through hole outward respectively, and is connected respectively with sliding sleeve (7), and described push rod (4) one end is equipped with work
It fills in (15), and is located at and pushes pipe (5) interior, on the outside of the piston (15) and pipe (5) inside is pushed to fit, on the push rod (4)
It is equipped with spring (11), and is located at and pushes between pipe (5) and sliding sleeve (7), the connection support bar (3) is made of aluminum material, institute
The length for stating support rib (1) is greater than distance between fixing sleeve (6) and slip casting spray head (12), the other end of the support rib (1) to
Inner bending, and bending angle is obtuse angle, the outside of the shield is ring structure, and one end diameter for pushing pipe (5) is greater than
Other end diameter, it is equidistant on the inner sidewall of the slip casting jet pipe (8) to be provided with multiple appearance stock tanks.
In use, slip casting jet pipe (8) other end is connected with external shotcrete pipe first, it is multiple when without whitewashing
Push rod (4) is urged into promotion pipe (5) respectively under the action of spring (11), and push rod (4) drives sliding sleeve (7) to spray close to slip casting
Head (12), sliding sleeve (7) drive multiple connection support bars (3) to biased retraction at slip casting jet pipe (8) axle center, multiple connection support bars
(3) connected support rib (1) is pulled to shrink respectively, multiple support ribs (1), which are shunk, drives shield to pack up, and shield will be infused entirely
Spray nozzle for slurry (12) wraps；
When being whitewashed, high pressure concrete mixture is entered in slip casting jet pipe (8), when by pushing pipe (5) one end, portion
Concrete mix is divided to enter in promotion pipe (5) by intercommunicating pore high speed, and then concrete mix pushes away in promotion pipe (5)
Piston (15) is mobile to the direction far from slip casting spray head (12), and piston (15) pushes push rod (4) to stretch out outside to promotion pipe (5),
Push rod (4) drives sliding sleeve (7) to slide to slip casting jet pipe (8) other end, and sliding sleeve (7) is slided along slip casting jet pipe (8), and drives more
A connection support bar (3) Unscrew, multiple support ribs (1) are propped up, and multiple support ribs (1), which are propped up, struts shield, are prevented
Shield carries out operating personnel to block protection, prevents the concrete mix being ejected from sputtering；
The design in gap is equipped between the sliding sleeve (7) and slip casting jet pipe (8), it is sliding along slip casting jet pipe (8) convenient for sliding sleeve (7)
It is dynamic, reduce friction when sliding；
The design that the outer diameter of the fixing sleeve (6) gradually increases from one end to the other side can be such that (1) one end position of support rib omits
Height, the opening of bone (1) easy to support；
The distance between the engaging lug (9) and support rib (1) one end are greater than the design of the length of fixing sleeve (6), can prop up
Support bone (1) avoids fixing sleeve (6) from causing to hinder to engaging lug (9) when being closed；
The length of the support rib (1) is greater than the design of the distance between fixing sleeve (6) and slip casting spray head (12), can be in support rib
(1) when being closed, the other end of support rib (1) is more than slip casting spray head (12), and then the shield on support rib (1) can be by slip casting
In spray head (12) is integrally wrapped in；
The other end of the support rib (1) bends inwards, and bending angle is the design at obtuse angle, can be received in multiple support ribs (1)
When rising, is formed and closed up at slip casting spray head (12), to the better protecting effect of slip casting spray head (12)；
One end diameter for pushing pipe (5) is greater than the design of other end diameter, is convenient for concrete mix from promotion pipe (5) one
End enters, and is also convenient for piston (15) and concrete is promoted slip casting jet pipe (8) from promotion pipe (5) one end in the case where spring (11) push
It is interior；
On the inner sidewall of the slip casting jet pipe (8) it is equidistant be provided with it is multiple hold stock tanks designs, can whitewashing when temporary cache
A small amount of slurries, and then increase the appearance slurry amount in slip casting jet pipe (8)；
The promotion pipe (5) and push rod (4) cooperation sliding sleeve (7) can push push rod by the impulse force of concrete in whitewashing
(4), it and then pushes sliding sleeve (7) movement that supporting linkage is unfolded, realizes the opening to shield；
The support rib (1) and protective cloth (2) cooperation, can be realized packing up and opening for shield, and then in slip casting to work
It is protected as personnel, when not slip casting protects slip casting spray head (12)；
When slip casting, concrete slurry high speed enters the design for pushing pipe (5) that shield is pushed to open, and can realize in slip casting anti-
The Automatic-expanding of shield, it is easy to use；
After the completion of slip casting, spring (11) pushes push rod (4) reversely to push concrete slurry that shield is made to be closed the design packed up, energy
It is enough that packing up automatically for shield is realized after the completion of slip casting, slip casting spray head (12) is protected；
Achieve the purpose that open shield under the promotion of concrete in whitewashing to protect staff.
Claims (10)
1. a kind of spray head of anti-concrete sputtering, it is characterized in that: by support rib, protective cloth, connection support bar, push rod, promotion
Pipe, fixing sleeve, sliding sleeve, slip casting jet pipe, engaging lug, connecting shaft, spring, slip casting spray head, support rib bit-avoiding slot, connection bit-avoiding slot and
Piston composition, slip casting spray head is placed in slip casting jet pipe one end, and is connected with slip casting jet pipe, and fixing sleeve is placed on slip casting jet pipe,
And close to the slip casting jet pipe other end, the fixing sleeve is fixedly connected with slip casting jet pipe, on the fixing sleeve it is equidistant be provided with it is multiple
Support rib bit-avoiding slot, support rib bit-avoiding slot one end extend in fixing sleeve the other end face, multiple support rib one end difference
It is placed in multiple support rib bit-avoiding slots, and is hinged respectively with fixing sleeve, pass through protective cloth phase between two adjacent support ribs
It connects, the protective cloth between multiple support ribs combines to form shield, and the support rib is equipped with towards the side of slip casting jet pipe
One group of engaging lug, one group of engaging lug are made of two engaging lugs, and sliding sleeve is placed on slip casting jet pipe, and are located at fixing sleeve and slip casting
Between spray head, equidistant on the sliding sleeve to be provided with multiple connection bit-avoiding slots, multiple connection support bar one end pass through connection respectively
Engaging lug group on axis and multiple support ribs is hinged, and the other end of multiple connection support bars, which is respectively articulated with, to be placed on sliding sleeve, and
Be located in multiple connection bit-avoiding slots, multiple promotions pipe is angularly distributed in slip casting outside of the nozzle, and be located at slip casting spray head and
Between sliding sleeve, the inside bending of promotion pipe one end arc is provided with connection on the slip casting jet pipe to being connected with slip casting jet pipe
Hole, and with push that pipe one end is corresponding is connected to, the promotion pipe other end is provided with through hole, and multiple push rod one end are respectively placed in more
In a promotion pipe, multiple push rod other ends are pierced by from through hole outward respectively, and are connected respectively with sliding sleeve, described push rod one end
It is equipped with piston, and is located at and pushes in pipe, fits on the outside of the piston and on the inside of promotion pipe, is equipped with spring on the push rod,
And be located at and push between pipe and sliding sleeve, the outside of the shield is ring structure, equidistant on the inner sidewall of the slip casting jet pipe
Multiple appearance stock tanks are left.
2. a kind of spray head of anti-concrete sputtering according to claim 1, it is characterised in that the promotion pipe and push rod
Cooperate sliding sleeve, can be in whitewashing through the impulse force promotion push rod of concrete, and then sliding sleeve movement is pushed to make supporting linkage exhibition
It opens, shield is opened.
3. a kind of spray head of anti-concrete sputtering according to claim 1, it is characterised in that the outer diameter of the fixing sleeve
It gradually increases from one end to the other side.
4. a kind of spray head of anti-concrete sputtering according to claim 1, it is characterised in that the sliding sleeve and slip casting spray
Gap is equipped between pipe.
5. a kind of spray head of anti-concrete sputtering according to claim 1, it is characterised in that the engaging lug and support
The distance between bone one end is greater than the length of fixing sleeve.
6. a kind of spray head of anti-concrete sputtering according to claim 1, it is characterised in that the support rib it is another
End bends inwards, and bending angle is obtuse angle, can be formed and be closed up at slip casting spray head when multiple support ribs are packed up.
7. a kind of spray head of anti-concrete sputtering according to claim 6, it is characterised in that the length of the support rib
, can be when support rib be closed greater than the distance between fixing sleeve and slip casting spray head, the other end of support rib is more than slip casting spray head, into
And in slip casting spray head can integrally be wrapped in by the shield on support rib.
8. a kind of spray head of anti-concrete sputtering according to claim 6 or 7, it is characterised in that the support rib and anti-
Cloth cooperation is protected, can be realized packing up and opening for shield, and then protect staff in slip casting, when not slip casting pair
Slip casting spray head is protected.
9. a kind of spray head of anti-concrete sputtering according to claim 1, it is characterised in that described one end for pushing pipe
Diameter is greater than other end diameter.
10. a kind of spray head of anti-concrete sputtering according to claim 1, it is characterised in that the slip casting jet pipe it is interior
It is equidistant on side wall to be provided with multiple appearance stock tanks, can whitewashing when a small amount of slurries of temporary cache, and then increase slip casting jet pipe in
Appearance slurry amount.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910284313.7A CN109914838B (en) | 2019-04-10 | 2019-04-10 | Prevent whitewashing head that concrete sputters |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910284313.7A CN109914838B (en) | 2019-04-10 | 2019-04-10 | Prevent whitewashing head that concrete sputters |
Publications (2)
| Publication Number | Publication Date |
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| CN109914838A true CN109914838A (en) | 2019-06-21 |
| CN109914838B CN109914838B (en) | 2021-04-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910284313.7A Active CN109914838B (en) | 2019-04-10 | 2019-04-10 | Prevent whitewashing head that concrete sputters |
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