CN215565994U

CN215565994U - Inverted arch concrete pouring and distributing system

Info

Publication number: CN215565994U
Application number: CN202122309318.6U
Authority: CN
Inventors: 王开阳; 黄雄新; 王建华; 鲁军良; 张�林; 杨文华; 传兴风
Original assignee: China Railway 18th Bureau Group Co Ltd; Tunnel Engineering Co Ltd of China Railway 18th Bureau Group Co Ltd
Current assignee: China Railway 18th Bureau Group Co Ltd; Tunnel Engineering Co Ltd of China Railway 18th Bureau Group Co Ltd
Priority date: 2021-09-24
Filing date: 2021-09-24
Publication date: 2022-01-18
Anticipated expiration: 2031-09-24

Abstract

The utility model discloses an inverted arch concrete pouring and distributing system, which relates to the technical field of tunnel construction equipment and comprises the following components: the inverted arch support comprises a walking track, a support framework and a pouring assembly, wherein a template is arranged above an inverted arch framework, and the walking track is connected with the template; the supporting framework is connected with the walking track in a sliding manner; the pouring assembly comprises a first chute which is connected to the top of the support framework and is arranged in a downward inclination mode, and the outlet side of the first chute is located above the top edge of the inverted arch framework; first chute bottom portion is provided with pours the runner subassembly with first chute intercommunication, and pours and be equipped with the piece of opening and shutting between runner subassembly and the first chute, is provided with the discharge opening on the template, and the position of discharge opening is less than inverted arch skeleton top edge, and the outlet side of pouring the runner subassembly is located the discharge opening top. The bottom and the side wall of the inverted arch framework are separately poured through the opening and closing piece and the pouring runner assembly, so that the phenomenon that the template floats upwards is well avoided.

Description

Inverted arch concrete pouring and distributing system

Technical Field

The utility model relates to the technical field of tunnel construction equipment, in particular to an inverted arch concrete pouring and distributing system.

Background

At present, the inverted arch is poured integrally by a full-width template in most railway tunnels, inverted arch distribution is carried out from side walls on two sides in most conventional tunnels, the full-width template is easy to float, concrete blanking is high, the distribution time is long, and concrete segregation is caused, so that the construction quality of the inverted arch concrete is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an inverted arch concrete pouring and distributing system which can solve the problem of upward floating of a template.

According to the present invention, there is provided an inverted arch concrete pouring and distributing system comprising: the inverted arch support comprises a walking track, a support framework and a pouring assembly, wherein a template is arranged above an inverted arch framework, and the walking track is connected with the template; the supporting framework is connected with the walking track in a sliding manner; the pouring assembly comprises a first chute which is connected to the top of the supporting framework and is arranged in a downward inclination mode, and the outlet side of the first chute is located above the top edge of the inverted arch framework; the bottom of first chute is provided with pours the runner subassembly, pours runner subassembly and first chute intercommunication, and is provided with the division piece between pouring runner subassembly and the first chute be provided with the discharge opening on the template, the position of discharge opening is less than the apical margin of inverted arch skeleton, and the outlet side of pouring the runner subassembly is located the top of discharge opening, and the concrete gets into the discharge opening through pouring the runner subassembly again through first chute to carry out the concrete filling to the inverted arch skeleton.

The bottom of the supporting framework is provided with a walking wheel, and the walking wheel is arranged on the walking track, so that the supporting framework can move along the template relative to the walking track.

Furthermore, a feed inlet is formed in the bottom surface of the first chute, the pouring flow channel assembly comprises a second chute and a string barrel vertically arranged at the feed inlet, and the string barrel is opened up and down; the both sides of second chute are connected in the lower part of support chassis inboard, and the cluster section of thick bamboo is located the top of second chute, and the second chute downward sloping is arranged to make the concrete can flow to the second chute in through the cluster section of thick bamboo, wherein, the outlet side of second chute is located the top of discharge opening.

Preferably, the opening and closing piece comprises a first separation blade, the middle parts of the front side and the rear side of the first separation blade are rotatably connected to the middle parts of the front side and the rear side of the feed inlet, the top of the string barrel is positioned on the left side of the bottom opening of the feed inlet, a notch is formed in the upper part of the right side of the string barrel, and when the first separation blade is normally held on the bottom surface of the first chute, the first separation blade can rotate downwards relative to the feed inlet and the left side of the first separation blade is rotated to the notch.

Furthermore, a first pin hole is formed in the left part of the first blocking piece in the front-back direction, a second pin hole corresponding to the first pin hole is formed in the side of the first chute, and a pin shaft is inserted into the first pin hole and the second pin hole; and a third pin hole corresponding to the first pin hole is formed in the side of the string tube, and when the first blocking piece is rotated to enable the left side of the first blocking piece to rotate to the notch, the pin shaft can be sequentially inserted into the third pin hole and the first pin hole.

The equal fixedly connected with in both sides is perpendicular to string section of thick bamboo right side wall's second separation blade around the breach of a string section of thick bamboo, and first separation blade is rotatable to between two second separation blades, and when the left side of first separation blade was located breach department, two second separation blades can prevent that the concrete of pouring down from flowing from breach department.

Preferably, the top right side of first separation blade is fixedly connected with first spacing piece, and first spacing piece extends to the top of first swift current tank bottom surface to prevent that the concrete from flowing out from the gap between first separation blade right side and the feed inlet.

According to the inverted arch concrete pouring and distributing system provided by the embodiment of the utility model, at least the following beneficial effects are achieved: through the cooperation of the walking track, the supporting framework and the pouring assembly, concrete is conveyed into the first chute, the pouring runner assembly is communicated through the opening and closing piece, concrete pouring and distributing are carried out on the bottom of the inverted arch framework, after the bottom pouring is finished, the discharging opening is closed, then the pouring runner assembly is closed, so that the concrete is poured on the side wall part of the inverted arch framework through the outlet side of the first chute, and the phenomenon that a template floats upwards is well avoided; and the direct blanking height of the concrete is reduced, and the problem that the construction quality of the inverted arch concrete is influenced due to the fact that the concrete is isolated because the blanking height of the concrete is large and the material distribution time is long is solved.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The utility model is further illustrated with reference to the following figures and examples:

FIG. 1 is a cross-sectional view of a first embodiment of the present invention;

FIG. 2 is a sectional view showing a closed state of a feed port according to a second embodiment of the present invention;

fig. 3 is a front view of a casting assembly according to a second embodiment of the present disclosure;

FIG. 4 is a plan view showing a closed state of the feed port according to the second embodiment of the present invention;

FIG. 5 is a structural view of a cluster drum according to a second embodiment of the present invention;

FIG. 6 is a sectional view showing a state where the feed port of the third embodiment of the present invention is closed;

FIG. 7 is a plan view showing a closed state of the feed opening in the third embodiment of the present invention.

Reference numerals: the device comprises a walking track 10, a supporting framework 20, a first chute 31, a discharge opening 11, a walking wheel 21, a feed inlet 32, a second chute 33, a string barrel 34, a first blocking piece 35, a notch 36, a first pin hole 37, a second pin hole 38, a third pin hole 39, a second blocking piece 40, a first limiting piece 41, a third blocking piece 42, a second limiting piece 43 and a fourth blocking piece 44.

Detailed Description

Reference will now be made in detail to the present preferred embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to like elements throughout.

The first embodiment is as follows:

referring to fig. 1, an inverted arch concrete pouring and distributing system according to the present invention includes: the inverted arch support comprises a walking track 10, a support framework 20 and a pouring assembly, wherein a template is arranged above an inverted arch framework, and the walking track 10 is connected with the template; the supporting framework 20 is connected with the walking track 10 in a sliding way; the pouring assembly comprises a first chute 31 which is connected to the top of the support framework 20 and is arranged in a downward inclination mode, and the outlet side of the first chute 31 is located above the top edge of the inverted arch framework; the bottom of first chute 31 is provided with pours the runner subassembly, pours the runner subassembly and communicates with first chute 31, and is provided with the opening and shutting piece between pouring the runner subassembly and the first chute 31 be provided with discharge opening 11 on the template, the position of discharge opening 11 is less than the apical margin of inverted arch skeleton, and the outlet side of pouring the runner subassembly is located the top of discharge opening 11, and the concrete gets into discharge opening 11 through pouring the runner subassembly again through first chute 31 to carry out the concrete filling to the inverted arch skeleton.

The walking rails 10 are preferably angle steels of 10 multiplied by 10 and are welded on two connecting longitudinal beams of the template, the walking rails 10 are smoothly welded, and the distances between the walking rails 10 are equal; the supporting framework 20 is preferably formed by machining phi 42 steel pipes and phi 20 steel bars.

Through the cooperation of the walking track 10, the supporting framework 20 and the pouring component, concrete is conveyed into the first chute 31, the pouring runner component is communicated through the opening and closing piece, concrete pouring and distributing are carried out on the bottom of the inverted arch framework, the discharge opening 11 is closed after the bottom pouring is finished, the pouring runner component is closed, the concrete is poured on the side wall part of the inverted arch framework, and the phenomenon that a template floats upwards is well avoided; and the direct blanking height of the concrete is reduced, and the problem that the construction quality of the inverted arch concrete is influenced due to the fact that the concrete is isolated because the blanking height of the concrete is large and the material distribution time is long is solved.

Wherein, the bottom of support chassis 20 is provided with walking wheel 21, and walking wheel 21 locates walking track 10 to make support chassis 20 can remove along the template for walking track 10, be convenient for pour each discharge opening 11 that corresponds.

Further, a feed inlet 32 is formed in the bottom surface of the first chute 31, the pouring flow channel assembly comprises a second chute 33 and a string cylinder 34 vertically arranged at the feed inlet 32, and the string cylinder 34 is opened up and down; the two sides of the second chute 33 are connected to the inner side of the lower part of the support framework 20, the string cylinder 34 is positioned above the second chute 33, so that concrete can flow into the second chute 33 through the string cylinder 34, wherein the second chute 33 is arranged in a downward inclined manner, and the outlet side of the second chute 33 is positioned above the discharge opening 11. When the inverted arch bottom is poured, concrete enters the string barrel 34 through the first chute 31 and the feeding hole 32, and the concrete flows into the second chute 33 along the string barrel 34 and enters the inverted arch framework from the discharging hole 11.

Example two:

referring to fig. 2 and 4, preferably, the opening and closing member includes a first blocking piece 35, the middle portions of the front and rear sides of the first blocking piece 35 are rotatably connected to the middle portions of the front and rear sides of the feed port 32, the top of the string barrel 34 is located on the left side of the opening at the bottom of the feed port 32, and the upper portion of the right side of the string barrel 34 is provided with a notch 36, when the first blocking piece 35 is kept flat on the bottom surface of the first chute 31, the feed port 32 is in a closed state, and concrete can only flow out of the first chute 31; the first flap 35 can rotate downward relative to the feed opening 32, and the left side of the first flap 35 is rotated to the notch 36, so that the feed opening 32 is opened.

When the feed inlet 32 is in an open state, the first blocking piece 35 is perpendicular to the bottom surface of the first chute 31, concrete flowing into the first chute 31 flows into the string barrel 34 from the feed inlet 32 and enters the bottom of the inverted arch framework through the second chute 33, and at this time, the right side of the first blocking piece 35 is positioned above the bottom surface of the first chute 31, so that most of concrete can be blocked, and most of concrete is prevented from flowing out from the outlet side of the first chute 31. When the feed inlet 32 is in the open state, the first blocking piece 35 can also be in the vertical state, and has the same effect as the vertical state.

Referring to fig. 2 and 3, further, a first pin hole 37 is formed in the first blocking piece 35, when the first blocking piece 35 is flat with the bottom surface of the first chute 31, a first pin hole 37 is formed in the left portion of the first blocking piece 35 along the front-back direction, a second pin hole 38 corresponding to the first pin hole 37 is formed in the side of the first chute 31, the second pin hole 38 is also arranged along the front-back direction, and a pin shaft is inserted into the first pin hole 37 and the second pin hole 38 to lock the first blocking piece 35 in a flat state with the bottom surface of the first chute 31; a third pin hole 39 corresponding to the first pin hole 37 is formed in the side of the string tube 34, when the feed port 32 needs to be opened, the pin shaft is pulled out, the first blocking piece 35 is rotated, and when the left side of the first blocking piece 35 is rotated to the notch 36, the pin shaft can be sequentially inserted into the third pin hole 39 and the first pin hole 37, so that the first blocking piece 35 is locked, and the feed port 32 is in an opened state.

Referring to fig. 2 and 5, the front and rear sides of the notch 36 of the string tube 34 are fixedly connected with second blocking pieces 40 perpendicular to the right side wall of the string tube 34, the first blocking piece 35 can rotate to a position between the two second blocking pieces 40, when the left side of the first blocking piece 35 is located at the notch 36, the front and rear sides of the first blocking piece 35 are attached to the inner sides of the two second blocking pieces 40, and the two second blocking pieces 40 can prevent the poured concrete from flowing out from the notch 36.

Referring to fig. 2 and 4, preferably, a first limiting piece 41 is fixedly connected to the right side of the top of the first blocking piece 35, and the first limiting piece 41 extends to the upper side of the bottom surface of the first chute 31 to prevent concrete from flowing out from a gap between the right side of the first blocking piece 35 and the feed inlet 32; and the arrangement of the first limiting piece 41 enables the first blocking piece 35 to rotate so that the first blocking piece 35 is kept at the bottom surface of the first chute 31, and the first limiting piece 41 covers the right side of the feed port 32 and the upper part of the bottom surface of the first chute 31, so that the first blocking piece 35 is prevented from rotating excessively, the first blocking piece 35 is enabled to be positioned at a proper angle, and the insertion of the pin shaft is facilitated.

Example three:

referring to fig. 6 and 7, the opening and closing member includes a third blocking piece 42, the third blocking piece 42 is laid at the feed port 32 to shield the feed port 32, the right side of the third blocking piece 42 is rotatably connected with the right side of the feed port 32, and the left side of the third blocking piece 42 is provided with a second limiting piece 43 extending to the upper side of the bottom surface of the first chute 31. Wherein, be provided with the handle at the top surface of third separation blade 42, when needs pour the inverted arch bottom, the pulling handle for feed inlet 32 is in open mode, and in concrete can get into feed inlet 32, pours the completion back when the bottom of inverted arch skeleton, rotates third separation blade 42, in order to be closed with feed inlet 32, concrete flows out from first chute 31, and first spacing piece 41 is the same with first spacing piece 41 effect, therefore no longer details.

Preferably, the fourth blocking pieces 44 are disposed at the front and rear sides of the feeding port 32, preferably, the longitudinal projection of the fourth blocking pieces 44 is inclined from the inner side to the front and rear outer sides and toward the left, and the fourth blocking pieces 44 can enable the concrete to completely enter the feeding port 32 when the feeding port 32 is in the open state.

One mode of operation of the present invention is as follows: when needs carry out concrete placement to the inverted arch skeleton, promote supporting framework 20 around artifical, make the subassembly of pouring move to the top of each discharge opening 11 that corresponds along with it, at this moment, rotate the opening and closing piece, make feed inlet 32 be in the open mode, carry the concrete to first chute 31 this moment, the concrete gets into feed inlet 32 and through string section of thick bamboo 34 and second chute 33 in proper order, again flow into inverted arch skeleton bottom through discharge opening 11 from second chute 33, until pouring the completion after, close discharge opening 11, rotate the opening and closing piece again, make feed inlet 32 be in the closure state, the concrete flows in the edge of inverted arch skeleton through first chute 31, pour inverted arch side wall part. The bottom and the edge of the inverted arch framework are poured through the pouring operation, so that the floating of the template is well avoided.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention.

Claims

1. The utility model provides an invert concrete placement cloth system for with concrete placement in invert skeleton, invert skeleton top is provided with the template, its characterized in that includes:

a traveling rail (10) connected to the formwork;

a support frame (20) which is connected to the running rail (10) in a sliding manner;

the pouring assembly comprises a first chute (31) which is connected to the top of the support framework (20) and is arranged in a downward inclination mode, and the outlet side of the first chute (31) is located above the top edge of the inverted arch framework; the bottom of first chute (31) is provided with pours the runner subassembly, pours runner subassembly and first chute (31) intercommunication, and is provided with the opening and shutting piece between pouring the runner subassembly and first chute (31) be provided with discharge opening (11) on the template, the position of discharge opening (11) is less than the apical margin of inverted arch skeleton, and the outlet side of pouring the runner subassembly is located the top of discharge opening (11).

2. The inverted arch concrete pouring and distributing system according to claim 1, wherein: the bottom of the supporting framework (20) is provided with a traveling wheel (21), and the traveling wheel (21) is arranged on a traveling track (10).

3. An inverted arch concrete pouring and distributing system as defined in claim 2, wherein: a feed inlet (32) is formed in the bottom surface of the first chute (31), the pouring runner assembly comprises a second chute (33) and a string barrel (34) vertically arranged at the feed inlet (32), and the string barrel (34) is vertically opened; the two sides of the second chute (33) are connected to the inner side of the lower portion of the supporting framework (20), the stringing barrel (34) is located above the second chute (33), the second chute (33) is arranged in a downward inclined mode, and the outlet side of the second chute (33) is located above the discharge opening (11).

4. An inverted arch concrete pouring and distributing system as defined in claim 3, wherein: the piece of opening and shutting includes first separation blade (35), and the middle part of both sides is rotated around first separation blade (35) and is connected in the middle part of both sides around feed inlet (32), the top of a string section of thick bamboo (34) is located feed inlet (32) bottom open-ended left side, and the right side upper portion of a string section of thick bamboo (34) is provided with breach (36), and first separation blade (35) can rotate downwards for feed inlet (32) to make the left side of first separation blade (35) rotate to breach (36) department.

5. An inverted arch concrete pouring and distributing system as recited in claim 4, wherein: a first pin hole (37) is formed in the left portion of the first blocking piece (35) in the front-back direction, a second pin hole (38) corresponding to the first pin hole (37) is formed in the side of the first chute (31), and a pin shaft is inserted into the first pin hole (37) and the second pin hole (38); and a third pin hole (39) corresponding to the first pin hole (37) is arranged on the side of the serial cylinder (34).

6. An inverted arch concrete pouring and distributing system as recited in claim 5, wherein: the front side and the rear side of the notch (36) of the string barrel (34) are fixedly connected with second blocking pieces (40) perpendicular to the right side wall of the string barrel (34), and the first blocking pieces (35) can rotate to a position between the two second blocking pieces (40).

7. An inverted arch concrete pouring and distributing system as recited in claim 6, wherein: the top right side of first separation blade (35) is fixedly connected with first spacing piece (41), and first spacing piece (41) extend to the top of first chute (31) bottom surface.

8. An inverted arch concrete pouring and distributing system as defined in claim 3, wherein: the opening and closing piece comprises a third blocking piece (42), the third blocking piece (42) is laid at the feed inlet (32) to shield the feed inlet (32), and the left side of the third blocking piece (42) is provided with a second limiting piece (43) extending to the upper side of the bottom surface of the first chute (31).