CN117822941A

CN117822941A - Detachable plugging die suitable for small-section hole and construction method thereof

Info

Publication number: CN117822941A
Application number: CN202410250783.2A
Authority: CN
Inventors: 陈彤瑾; 哈敦宝力高; 赵云龙; 岳海生; 巩霖海; 孙亮
Original assignee: Beijing No 3 Construction Engineering Co Ltd
Current assignee: Beijing No 3 Construction Engineering Co Ltd
Priority date: 2024-03-06
Filing date: 2024-03-06
Publication date: 2024-04-05
Anticipated expiration: 2044-03-06
Also published as: CN117822941B

Abstract

The invention discloses a detachable plugging die suitable for a small-section hole and a construction method thereof, wherein the detachable plugging die is arranged at the small-section hole of an outer wall or a floor slab, a wall bushing is arranged at the small-section hole, and the detachable plugging die penetrates through the wall bushing and is clamped on two side surfaces of the outer wall or the floor slab to plug the small-section hole; the detachable plugging die comprises a connecting rod arranged in a wall bushing, wherein a limiting end cap is arranged at one end part of the connecting rod, an outer template component and an inner template component are slidably mounted on the connecting rod, the outer template component comprises an umbrella template, an opening and closing component, a limiting component and a compression spring, the umbrella template is attached to one side surface of an outer wall or a floor slab, the inner template component is attached to the other side surface of the outer wall or the floor slab, and the umbrella template and the inner template component are matched and clamped on the two side surfaces of the outer wall or the floor slab to jointly plug a small-section hole. The construction process can be efficiently simplified, and the defects of an internal and external die assembly mode and a die hanging mode are overcome.

Description

Detachable plugging die suitable for small-section hole and construction method thereof

Technical Field

The invention relates to the field of small-section hole construction, in particular to a detachable plugging die suitable for a small-section hole and a construction method thereof.

Background

In the construction process in the field of building engineering, due to the cross implementation of various different construction contents, a small hole is reserved on the main structure surface, the length and the width of the small hole are about 200mm, for example, when a pull node is arranged in the process of installing an outer elevation scaffold, scaffold eyes are reserved on the outer wall of the structure; or a reserved hole is arranged at the floor slab for paying off and rechecking elevation, setting a concrete pump pipe and the like.

Because the hole at the outer wall is blocked, the inner side and the outer side are required to be matched, an operator is required to install the template on the outer scaffold, the operation risk is high during the template matching, and the safety coefficient is low; and need hang the mould construction when floor entrance to a cave shutoff, also have the risk that drops when the floor die block is installed and is dismantled.

The existing construction process of plugging the small-section hole is complicated, the size of the template is cut according to the size of the hole, and if the template cannot be cut reasonably, the material waste is caused; secondly, the two side templates are installed on the outer scaffold, corresponding supporting points are arranged, the die assembly strength is guaranteed, the same is true for the inner side templates of the main body, and the two templates cannot be disturbed in the coagulation process.

The template recovery rate for plugging the small-section hole is extremely low due to the restriction of factors such as difficult recovery of different-shape holes and outside templates, the template turnover rate in the normal construction process cannot be reached, the material resource waste is more, and the time cost waste is correspondingly caused due to the complex operation process.

Therefore, a detachable plugging die suitable for small-section holes and a construction method thereof are needed to solve the technical problems.

Disclosure of Invention

The invention aims to solve the problems, so as to provide a detachable plugging die suitable for small-section holes and a construction method thereof, which can be quickly erected and dismantled and can be recycled, thus efficiently simplifying the construction process, effectively saving time and improving the time utilization efficiency; is favorable for environmental protection and green construction, meets the national energy-saving and emission-reduction requirements, and solves the defects of the internal and external mold closing mode and the mold hanging mode of the traditional plugging construction.

The invention solves the problems, and adopts the following technical scheme:

the detachable plugging die is arranged at the small-section hole of the outer wall or the floor slab, a wall bushing is arranged at the small-section hole, and the detachable plugging die penetrates through the wall bushing and is clamped on two side surfaces of the outer wall or the floor slab to plug the small-section hole; can dismantle shutoff mould is including arranging the intraductal connecting rod of wall bushing in, be provided with spacing end cap on one of them tip of connecting rod, slidable mounting has the external bolster subassembly on the connecting rod, the external bolster subassembly includes the umbrella template, umbrella template cover is located on the connecting rod, set up the subassembly that opens and shuts between umbrella template and spacing end cap, be provided with compression spring between the subassembly that opens and shuts and spacing end cap, the subassembly that opens and shuts is located on the connecting rod and is connected with the umbrella template, be provided with spacing subassembly jointly on opening and shutting subassembly and connecting rod, be connected with the interior template subassembly on the connecting rod of the subassembly opposite side that opens and shuts is kept away from to the umbrella template, the laminating of umbrella template is in one side of outer wall or floor, the laminating of interior template subassembly is in the another side of outer wall or floor, umbrella template and interior template subassembly cooperate to press from both sides on the side of outer wall or floor and with little cross-section entrance to a cave shutoff jointly.

Further, the umbrella template includes a plurality of main branches, a plurality of main branches all use the connecting rod as the center and evenly set up around the connecting rod, form the slip through-hole jointly at the same tip that a plurality of main branches are close to the connecting rod, all be provided with the flabellum that opens and shuts between two main branches that are adjacent each other, the flabellum that opens and shuts includes first flabellum and second flabellum, first flabellum and second flabellum all are connected with adjacent main branch, be provided with big circular shaft group jointly on the butt joint side of first flabellum and second flabellum, joint rotation is connected with first circular member on big circular shaft group jointly.

Further, the first fan blade and the second fan blade comprise a left fan blade and a right fan blade, the left fan blade is connected with the large circular shaft group, the right fan blade is connected with the adjacent main supporting rod, the small circular shaft group is arranged on the butt joint side of the left fan blade and the right fan blade, and the second circular rod is connected to the small circular shaft group in a common rotation mode.

Further, the assembly that opens and shuts includes a plurality of branches that open and shut, and the quantity of a plurality of branches that open and shut is unanimous with the quantity of a plurality of main branches, and branch and main branch that open and shut are articulated to be connected with main branch that open and shut branch one-to-one, and the cover is equipped with the slip handle on the connecting rod, and the slip handle is located between umbrella form and the spacing end cap and the left end of slip handle contacts with compression spring, and the same tip of a plurality of branches that open and shut all closes around the excircle of slip handle and set up, and every branch that opens and shut all is articulated to be connected with the slip handle.

Further, spacing subassembly includes the rotation positioning card, be provided with the cuboid mounting hole on the connecting rod, the cuboid mounting hole is located between slip handle and the umbrella template, rotation positioning card rotates and installs in the cuboid mounting hole and rotation positioning card's tip protrusion in the cuboid mounting hole, be provided with the bayonet socket with rotation positioning card looks adaptation on the slip handle, be provided with first horizontal pole and second horizontal pole in the slip handle in bayonet socket below, dislocation set and first horizontal pole are located the top of second horizontal pole about first horizontal pole and second horizontal pole, one side intercommunication that the cuboid mounting hole is close to spacing end cap on the connecting rod has the sliding channel, first horizontal pole and second horizontal pole slide along the sliding channel, all be provided with V type spacing groove on rotation positioning card's both ends, rotation positioning card, the bayonet socket, first horizontal pole and second horizontal pole cooperation make spacing subassembly realize the locking.

Further, the inner diameter of the wall bushing is larger than the outer diameter of the detachable plugging die, and the inner diameter of the sliding through hole is matched with the outer diameter of the wall bushing.

Further, the inner template component comprises an inner template component, a connecting rod is provided with threads, the center of the inner template component is provided with a threaded hole, and the inner template component is connected with the threads on the connecting rod through the threaded hole so as to be tightly attached to the side surface of the outer wall or the floor slab; the upper portion at interior mould plate is provided with the arc breach that is linked together with the small-section entrance to a cave, is provided with first closing plate between the side of interior mould plate and outer wall or floor, first closing plate and arc breach looks adaptation, first closing plate and interior mould plate hinge and lie in one side of arc breach.

Further, the auxiliary grouting assembly comprises a connecting plane plate, a moving hole is formed in the connecting plane plate, the connecting plane plate is sleeved on the connecting rod through the moving hole, a nut is connected to threads of the connecting rod, and the nut tightly adheres the connecting plane plate to the side face of the inner mould plate; the upper portion at the connection face plate is provided with the half horn mouth that expands outward that is linked together with the arc breach, is provided with the second closing plate between connection face plate and interior mould plate spare, and the second closing plate is articulated and is located the one side of half horn mouth that expands outward with the connection face plate with the half horn mouth looks adaptation that expands outward.

A construction method of a detachable plugging die suitable for a small-section hole comprises the following steps:

s1, cleaning a small-section hole: cleaning sundries and dust particles in the small-section hole before construction;

s2, mounting an outer template assembly: inserting a detachable plugging die into the small-section hole, arranging a limiting end cap on one side far away from constructors, sleeving a wall bushing on a connecting rod, holding the wall bushing by the constructors to prop against a sliding handle by the constructors to compress a compression spring, and simultaneously pulling the connecting rod backwards to enable an umbrella template to be in contact with the side face of an outer wall or a floor slab for opening, enabling the umbrella template to be in contact with the side face of the outer wall or the floor slab, and operating the connecting rod to lock a limiting assembly at the moment so as to keep the opening state of the umbrella template stable;

s3, mounting an inner template assembly: sleeving the inner mould plate on the connecting rod, connecting the inner mould plate with threads on the connecting rod through the threaded holes, then adjusting the positions of the outer mould plate component, the connecting rod and the wall bushing, and screwing the inner mould plate and adjusting the position of the first sealing plate to enable the inner mould plate to be tightly attached to the other side face of the outer wall or the floor slab;

s4, auxiliary grouting assembly installation: sleeving the connecting plane plate on the connecting rod, then tightly attaching the connecting plane plate to the inner die plate, enabling the outward-expanding half horn mouth to be communicated with the arc-shaped notch and the small-section hole, connecting the nut with the threads on the connecting rod, adjusting the position of the second sealing plate, and then tightening the nut to tightly attach the connecting plane plate to the side surface of the inner die plate through the nut;

s5, concrete pouring construction: pouring concrete into the outward-expansion half horn mouth, enabling the concrete to flow into the small-section hole through the arc-shaped notch, vibrating the concrete in an auxiliary manner through the reinforcing steel bars in the concrete pouring process, and adjusting the position of the first sealing plate when the concrete pouring in the small-section hole is completed, and plugging the arc-shaped notch through the first sealing plate;

s6, auxiliary grouting assembly separation: firstly adjusting the position of a second sealing plate, plugging the outward-expansion half bell mouth through the second sealing plate, further isolating residual concrete in the outward-expansion half bell mouth, and then screwing a nut to detach the connecting plane plate from the connecting rod, so as to recover the residual concrete;

s7, dismantling a detachable plugging die: when the strength of the concrete is qualified, screwing and dismantling the inner mould plate, then pushing the connecting rod outwards until the rotary positioning clamp is stirred, further releasing the locking state of the limiting assembly, closing the umbrella mould plate, and after the outer mould plate assembly is closed, drawing the connecting rod and the outer mould plate assembly out integrally along the wall bushing;

s8, curing the small-section hole concrete: and curing the concrete positioned in the small-section hole after the detachable plugging die is detached.

Further, in step S2, the opening of the umbrella form includes the steps of:

s2-1, a constructor holds the wall bushing against the sliding grip by hand, the constructor holds the connecting rod by hand and pulls the connecting rod backwards to enable the umbrella template to be in contact with the side face of the outer wall or the floor slab, at the moment, the first cross rod and the second cross rod in the sliding grip cannot move and give resistance to the sliding grip, the umbrella template is slowly opened by the resistance from the side face of the outer wall or the floor slab, the umbrella template is attached to the side face of the outer wall or the floor slab when opened, and the compression spring is in a compressed state;

s2-2, then, constructors reduce the backward pulling force to the connecting rod, slowly push the connecting rod forward, release the pressure of the compression spring, but the pressure spring also provides the thrust to the right side for the sliding handle and the umbrella template at the moment, when the connecting rod moves forward, the umbrella template can also be attached to the side surface of the outer wall or the floor slab, when the connecting rod moves forward, the rotary positioning clamp is driven to move forward, the V-shaped limit groove on the left side of the rotary positioning clamp is contacted with the first cross rod, the rotary positioning clamp continues to move forward, the right V-shaped limit groove of the rotary positioning clamp is tilted upwards and moves to the upper part of the cuboid mounting hole and the bayonet, then, the umbrella template is adjusted again, the umbrella template is attached to the side surface of the outer wall or the floor slab, then the connecting rod is slightly pulled backwards, the compression spring is compressed, the umbrella template is not stressed to move backward at the moment, the V-shaped limit groove on the left side of the rotary positioning clamp is driven, the lower side surface of the rotary positioning clamp is automatically rotated at the moment, the lower side of the rotary positioning clamp is contacted with the second cross rod, the right V-shaped limit groove on the left side of the rotary positioning clamp is locked on the bayonet component, and the right side of the rotary positioning clamp is locked.

Compared with the prior art, the invention adopting the technical scheme has the outstanding characteristics that:

the detachable plugging die overcomes the defects of an internal and external die assembly mode and a die hanging mode in the traditional plugging construction, can be quickly erected and dismantled and can be recycled, and the improvement targets of improving the safety coefficient, saving various resources such as templates, improving the time utilization efficiency and the like in the plugging process of a small-sized hole are realized; the construction process of erecting and dismantling the whole template can be completed quickly, the quick-safety and quick-dismantling properties of the detachable plugging die can simplify the construction process efficiently, time is saved effectively, and the time utilization efficiency is improved; the defect that an operator is required to stand on an outer scaffold to set up a template in the traditional plugging construction process is avoided, the technical problem that a bottom die is easy to fall off in the construction process is solved, construction risk factors are fundamentally eliminated, and the safety coefficient in the whole construction process is improved; the defect that the template needs to be cut down and cannot be recycled efficiently in the original construction process is overcome, and the detachable plugging die can realize efficient recycling and is beneficial to saving of the traditional wood template; the problem that the small-section hole concrete cannot be poured and formed once can be solved, the operation efficiency and the operation quality can be improved, the waste of materials such as concrete is avoided, the secondary utilization is performed on the concrete at the position of the bell mouth while the bell mouth is picked and chiseled is reduced, the labor cost is saved, the material cost is also saved, the environment protection and the green construction are facilitated, and the national energy conservation and emission reduction requirements are met.

Drawings

FIG. 1 is a schematic illustration of an elevation structure of the present invention;

FIG. 2 is a schematic diagram of a second elevation structure of the present invention;

FIG. 3 is a schematic view of the structure of the umbrella template of the present invention;

FIG. 4 is a schematic view of a second fan blade according to the present invention;

FIG. 5 is a schematic view of a locking process of a spacing assembly according to the present invention;

FIG. 6 is a second schematic diagram of the locking process of the spacing assembly of the present invention;

FIG. 7 is a schematic diagram III of a locking process of the spacing assembly of the present invention;

FIG. 8 is a schematic diagram of a locking process of the spacing assembly of the present invention;

FIG. 9 is a schematic diagram of a locking process of the spacing assembly of the present invention;

in the figure: 1. wall bushing; 2. a connecting rod; 3. limiting end caps; 4. an umbrella template; 5. an opening and closing assembly; 6. a limit component; 7. an inner template assembly; 8. a primary strut; 9. a sliding through hole; 10. opening and closing the fan blade; 11. a first fan blade; 12. a second fan blade; 13. a large circular shaft group; 14. a small circular shaft group; 15. left side flabellum; 16. a right fan blade; 17. an opening and closing support rod; 18. a sliding grip; 19. rotating the positioning card; 20. a bayonet; 21. a first cross bar; 22. a second cross bar; 23. v-shaped limit grooves; 24. an inner mold plate; 25. a thread; 26. an arc-shaped notch; 27. a first sealing plate; 28. an auxiliary grouting assembly; 29. connecting a plane plate; 30. a nut; 31. expanding the semi-bell mouth; 32. a second sealing plate; 33. compressing the spring.

Detailed Description

The present invention will be further understood by the following description of embodiments, but the specific embodiments given by the applicant should not be considered as limiting the technical solution of the present invention, and any modification of the definition of components or technical features and/or the form of the whole structure without substantial change should be considered as the protection scope defined by the technical solution of the present invention.

Referring to fig. 1 to 9, the technical scheme of the invention is as follows:

a detachable plugging die suitable for a small-section hole is arranged at the small-section hole of an outer wall or a floor slab, a wall bushing 1 is arranged at the small-section hole, and the detachable plugging die penetrates through the wall bushing 1 and is clamped on two side surfaces of the outer wall or the floor slab to plug the small-section hole; can dismantle shutoff mould is including arranging the connecting rod 2 in wall bushing 1 in, the length of connecting rod 2 is greater than the length of wall bushing 1 and is greater than the thickness of outer wall or floor, be fixed with spacing end cap 3 on one of them tip of connecting rod 2, spacing end cap 3 is the diameter that cake form and spacing end cap 3 is greater than the diameter of connecting rod 2, slidable mounting has outer template subassembly on connecting rod 2, outer template subassembly includes umbrella template 4, umbrella template 4 cover is located on connecting rod 2, umbrella template 4 slides along the length direction of connecting rod 2, set up between umbrella template 4 and spacing end cap 3 and open and shut subassembly 5, be provided with compression spring 33 between open and shut subassembly 5 and spacing end cap 3, open and shut subassembly 5 cover is located on connecting rod 2 and is connected with umbrella template 4, open and shut subassembly 5 and connecting rod 2 are provided with spacing subassembly 6 jointly, be connected with interior template subassembly 7 on connecting rod 2 of the 5 opposite side of opening and shutting subassembly, umbrella template 4 laminating is in one side of outer wall or floor, interior template subassembly 7 is fixed in another side of outer wall or floor, umbrella template 4 and outer wall 7 and two die plate and inner template 7 cooperate and seal on two small cross-section joint hole.

It should be noted that: the compression spring 33 always provides a pushing force to the umbrella form 4 close to the side of the outer wall or floor during use of the removable plugging tool, i.e. during opening or closing of the umbrella form 4.

The umbrella template 4 is of an approximately circular polygonal structure and comprises a plurality of main supporting rods 8, wherein the number of the main supporting rods 8 is determined according to actual construction requirements, the plurality of main supporting rods 8 are uniformly arranged around the connecting rod 2 and are radial, a sliding through hole 9 matched with the connecting rod 2 is formed in the same end part of the plurality of main supporting rods 8 close to the connecting rod 2, the umbrella template 4 slides on the connecting rod 2 through the sliding through hole 9, opening and closing fan blades 10 are connected between two adjacent main supporting rods 8, the opening and closing fan blades 10 comprise a first fan blade 11 and a second fan blade 12, the first fan blade 11 and the second fan blade 12 are connected with the adjacent main supporting rods 8, a large circular shaft group 13 is arranged on the butt joint side of the first fan blade 11 and the second fan blade 12 together, and a first circular rod piece is connected on the large circular shaft group 13 in a rotating mode; the large circular shaft group 13 comprises four large circular shafts, a first circular rod piece is arranged on the four large circular shafts, the four large circular shafts are all connected with the first circular rod piece in a rotating way, the four large circular shafts are sequentially arranged from top to bottom on the butt joint side of the first fan blade 11 and the second fan blade 12, the first large circular shaft and the third large circular shaft are connected with the first fan blade 11, and the second large circular shaft and the fourth large circular shaft are connected with the second fan blade 12; the umbrella template 4 is folded through the structure arrangement, so that smooth opening or closing is ensured; the four large circular shafts are connected in series through the first circular rod piece to form a whole body, and form a meshed state with each other, so that the stress is uniformly distributed.

The first fan blade 11 and the second fan blade 12 comprise a left fan blade 15 and a right fan blade 16, the left fan blade 15 is connected with the large circular shaft group 13, the right fan blade 16 is connected with the adjacent main support rod 8, the small circular shaft group 14 is jointly arranged on the butt joint side of the left fan blade 15 and the right fan blade 16, and the second circular rod piece is jointly connected on the small circular shaft group 14 in a rotating manner; the small circular shaft group 14 comprises two small circular shafts, a second circular rod piece is arranged on the two small circular shafts, the two small circular shafts are both connected with the second circular rod piece in a rotating way, the two small circular shafts are sequentially arranged from top to bottom on the butt joint side of the left side fan blade 15 and the right side fan blade 16, the first small circular shaft is connected with the left side fan blade 15, and the second small circular shaft is connected with the right side fan blade 16; the first fan blade 11 and the second fan blade 12 are arranged in a structure, so that the first fan blade 11 and the second fan blade 12 can be folded to ensure that the detachable plugging die passes through the wall bushing 1.

The opening and closing assembly 5 comprises a plurality of opening and closing support rods 17, the number of the opening and closing support rods 17 is consistent with that of the main support rods 8, the opening and closing support rods 17 are in one-to-one correspondence with the main support rods 8, the opening and closing support rods 17 are hinged with the main support rods 8, a sliding grip 18 is sleeved on the connecting rod 2, the sliding grip 18 slides along the length direction of the connecting rod 2, the sliding grip 18 is positioned between the umbrella template 4 and the limiting end cap 3, the left end of the sliding grip 18 is contacted with the compression spring 33, the same end parts of the opening and closing support rods 17 are all arranged around the outer circumference of the sliding grip 18, and each opening and closing support rod 17 is hinged with the sliding grip 18; the umbrella template 4 is ensured to be smoothly opened or closed by the opening and closing component 5.

The limiting assembly 6 comprises a rotary positioning clamp 19, the rotary positioning clamp 19 is of a strip-shaped sheet structure, a cuboid mounting hole is formed in a connecting rod 2, the cuboid mounting hole is formed between a sliding handle 18 and an umbrella template 4, the cuboid mounting hole is formed in the connecting rod 2 along the length direction, the rotary positioning clamp 19 is rotatably mounted in the cuboid mounting hole, the end part of the rotary positioning clamp 19 protrudes out of the cuboid mounting hole, the rotary positioning clamp 19 is eccentrically fixed in the cuboid mounting hole, the rotary center of the rotary positioning clamp 19 is arranged at the upper position of a central line of the connecting rod 2, a bayonet 20 matched with the rotary positioning clamp 19 is formed in the sliding handle 18, a first cross rod 21 and a second cross rod 22 are arranged in the sliding handle 18 below the bayonet 20, the first cross rod 21 and the second cross rod 22 are vertically staggered, the first cross rod 21 is located above the second cross rod 22, a sliding channel is communicated on one side of the connecting rod 2, which is close to the limiting end cap 3, the sliding channel is formed in the connecting rod 2 along the length direction, the first cross rod 21 and the second cross rod 22 slide along the sliding channel, the sliding channel is arranged at the sliding end part of the rotary positioning clamp 19, and the second cross rod 19 are respectively provided with a first cross rod 21 and a second cross rod 23 or a second cross rod 23 and a second cross rod 23, a second cross rod 23 and a second cross rod 19 are in different from the form of rotation and a limiting assembly or a limiting assembly is in contact with the first cross rod and a second cross rod 19 and a second cross rod 23 or a second cross rod 19 and a stop mode, and a second cross rod 19 and a second cross rod and a stop assembly; the limiting component 6 has two states of locking and opening, when the limiting component 6 is locked, the opening state of the umbrella template 4 can be kept stable, and the opening of the limiting component 6 is the key of the closing of the umbrella template 4.

The inner diameter of the wall bushing 1 is larger than the outer diameter of the detachable plugging die, and the inner diameter of the sliding through hole 9 is matched with the outer diameter of the wall bushing 1; the above-mentioned structure setting of wall bushing 1 guarantees that detachable shutoff mould can be followed wall bushing 1 smoothly and is gone into and out, simultaneously, and sliding through hole 9 can guarantee that wall bushing 1 is worn into and is worn out and contact with sliding grip 18.

The inner template assembly 7 comprises an inner template plate 24, wherein the inner template plate 24 is made of a light high-strength metal material, a thread 25 is arranged on the connecting rod 2, a threaded hole is arranged in the center of the inner template plate 24, and the inner template plate 24 is connected with the thread 25 on the connecting rod 2 through the threaded hole so as to be tightly attached to the side surface of an outer wall or a floor slab; so as to realize that the small-section hole is blocked by being matched with the outer template component and clamped on two side surfaces of an outer wall or a floor slab; the tightness of the outer template component and the inner template component 24 to the outer wall or the floor slab is ensured, and the tightness of the sealing of the small-section hole is ensured; an arc notch 26 communicated with the small-section hole is formed in the upper portion of the inner die plate 24, a first sealing plate 27 is arranged between the inner die plate 24 and the side face of the outer wall or the floor slab, the first sealing plate 27 is relatively thin and has metal strength larger than that of the inner die plate 24, the first sealing plate 27 is matched with the arc notch 26, and the first sealing plate 27 is hinged with the inner die plate 24 and is located on one side of the arc notch 26; the arc-shaped notch 26 is communicated with the small-section hole to reserve construction conditions for the concrete pouring construction of the small-section hole, and the first sealing plate 27 can completely seal the small-section hole after the concrete pouring construction is completed.

The auxiliary grouting assembly 28 comprises a connecting plane plate 29, wherein the connecting plane plate 29 is made of a light high-strength metal material, a moving hole is formed in the connecting plane plate 29, the connecting plane plate 29 is sleeved on the connecting rod 2 through the moving hole, the connecting plane plate 29 slides along the length direction of the connecting rod 2, a nut 30 is connected to a thread 25 of the connecting rod 2, and the nut 30 tightly adheres the connecting plane plate 29 to the side surface of the inner die plate 24; and then make connection flat 29 and interior die plate 24 closely laminate, be provided with the half horn mouth that expands 31 that is linked together with arc breach 26 in connection flat 29's upper portion, the half horn mouth that expands 31 has enlarged the pouring mouth when small-section entrance to a cave concreting construction, avoid scattering when concreting, be provided with second closing plate 32 between connection flat 29 and interior die plate 24, second closing plate 32 is the metal sheet, second closing plate 32 is relatively thinner and metal strength is greater than connection flat 29, second closing plate 32 and half horn mouth 31 looks adaptation expands outward, second closing plate 32 articulates and is located one side of half horn mouth 31 that expands outward with connection flat 29, and second closing plate 32 then can be after concreting construction finishes, keep apart the concrete in the half horn mouth 31 that expands outward, make the concrete in the half horn mouth 31 that expands outward can retrieve smoothly, reduce the waste of concrete material.

s2, mounting an outer template assembly: inserting a detachable plugging die into a small-section hole, arranging a limiting end cap 3 on one side far away from constructors, sleeving a wall bushing 1 on a connecting rod 2, holding the wall bushing 1 by the constructors to prop against a sliding grip 18 so as to compress a compression spring 33, simultaneously pulling the connecting rod 2 backwards, enabling an umbrella template 4 to be in contact with the side face of an outer wall or a floor slab, opening the umbrella template 4 to be attached to the side face of the outer wall or the floor slab, and then operating the connecting rod 2 to lock a limiting assembly 6 so as to keep the opening state of the umbrella template 4 stable; wherein, the opening of the umbrella template 4 comprises:

s2-1, a constructor holds the wall bushing 1 against the sliding grip 18, the constructor holds the connecting rod 2 and pulls the connecting rod 2 backwards to enable the umbrella template 4 to be in contact with the side face of the outer wall or the floor slab, at the moment, the first cross rod 21 and the second cross rod 22 in the sliding grip 18 cannot move and provide resistance to the sliding grip 18, the umbrella template 4 is slowly opened due to the resistance from the side face of the outer wall or the floor slab, the umbrella template 4 is attached to the side face of the outer wall or the floor slab when being opened, and the compression spring 33 is in a compressed state;

s2-2, then, constructors reduce the backward pulling force on the connecting rod 2, slowly push the connecting rod 2 forward, release the pressure of the compression spring 33, but the pressure spring also provides the right pushing force for the sliding grip 18 and the umbrella template 4 at the moment, the umbrella template 4 can be attached to the side surface of the outer wall or the floor slab when the connecting rod 2 moves forward, the rotating positioning clamp 19 is driven to move forward when the connecting rod 2 moves forward, the V-shaped limiting groove 23 on the left side of the rotating positioning clamp 19 is contacted with the first cross rod 21, the right V-shaped limiting groove 23 of the rotating positioning clamp 19 is lifted upwards when the rotating positioning clamp 19 continues to move forward, and move to the cuboid mounting hole and above the bayonet 20, then adjust the umbrella template 4 again, make the umbrella template 4 come into contact with side of the outer wall or floor, then, pull the connecting rod 2 backward slightly, make the compression spring 33 compressed and contracted, the umbrella template 4 receives the resistance of the side of the outer wall or floor and can't move backward at this moment, the first horizontal pole 21 breaks away from with V-shaped spacing groove 23 on the left side of the rotary positioning card 19, the rotary positioning card 19 rotates automatically at this moment, the lower side of the rotary positioning card 19 contacts with second horizontal pole 22, the right V-shaped spacing groove 23 of the rotary positioning card 19 is blocked on the right side of the bayonet 20, the spacing assembly 6 is locked at this moment; at this time, the sliding handle 18 is restrained by the rotary positioning clamp 19 and cannot move to the side close to the limiting end cap 3, so that the opening state of the umbrella template 4 is kept stable;

s3, mounting an inner template assembly 7: the inner die plate 24 is sleeved on the connecting rod 2 and is connected with threads 25 on the connecting rod 2 through threaded holes, then the positions of the outer die plate assembly, the connecting rod 2 and the wall bushing 1 are adjusted, then the inner die plate 24 is screwed and the position of the first sealing plate 27 is adjusted to enable the inner die plate 24 to be tightly attached to the other side face of the outer wall or the floor slab, at the moment, the outer die plate assembly cannot move due to double resistance of the rotary positioning clamp 19 and the side face of the outer wall or the floor slab, and screwing and fastening of the inner die plate 24 can be guaranteed;

s4, mounting an auxiliary grouting assembly 28: sleeving a connecting plane plate 29 on the connecting rod 2, then tightly attaching the connecting plane plate 29 to the inner die plate 24, enabling the flared half horn opening 31 to be communicated with the arc notch 26 and the small cross section hole, connecting a nut 30 with the screw thread 25 on the connecting rod 2, adjusting the position of a second sealing plate 32, and then tightly attaching the connecting plane plate 29 to the side surface of the inner die plate 24 by tightening the nut 30 through the nut 30;

s5, concrete pouring construction: pouring concrete into the outward-expansion half horn mouth 31, enabling the concrete to flow into the small-section hole through the arc-shaped notch 26, vibrating the concrete in an auxiliary manner through the reinforcing steel bars in the concrete pouring process, adjusting the position of the first sealing plate 27 when the concrete pouring in the small-section hole is completed, and sealing the arc-shaped notch 26 through the first sealing plate 27;

s6, separating the auxiliary grouting assembly 28: firstly adjusting the position of a second sealing plate 32, plugging the outward-expansion half bell mouth 31 through the second sealing plate 32, further isolating the residual concrete in the outward-expansion half bell mouth 31, and then screwing a nut 30 to detach the connecting plane plate 29 from the connecting rod 2, and recovering the residual concrete;

s7, dismantling a detachable plugging die: when the concrete strength is qualified, screwing and removing the inner mould plate 24, then pushing the connecting rod 2 outwards until the rotary positioning clamp 19 is stirred, further releasing the locking state of the limiting assembly 6, closing the umbrella mould plate 4, and after the outer mould plate assembly is closed, extracting the connecting rod 2 and the outer mould plate assembly integrally along the wall bushing 1; the umbrella template 4 is closed, comprising the following steps:

s7-1, a constructor holds the connecting rod 2 by hand and pushes the connecting rod 2 outwards, at the moment, the limiting end cap 3 is far away from the sliding grip 18, the pressure of the compression spring 33 is released, the thrust to the right side of the sliding grip 18 is reduced, the umbrella template 4 is slowly separated from the side surface of the outer wall or the floor slab and is slowly closed and folded, when the rotary positioning clamp 19 moves forwards, the right end part of the upward tilting of the rotary positioning clamp 19 is contacted with the left side of the bayonet 20, the rotary positioning clamp 19 is pressed down by the sliding grip 18, and the left end part of the rotary positioning clamp 19 is further rotated and lifted, so that the locking state of the limiting assembly 6 is released;

The foregoing description of the preferred embodiments of the invention is not intended to limit the scope of the claims, but rather to cover all equivalent modifications within the scope of the present invention as defined by the appended claims.

Claims

1. Detachable plugging die suitable for small-section hole is provided at the small-section hole of an outer wall or a floor slab, and is characterized in that: a wall bushing is arranged at the small-section hole, and a detachable plugging die penetrates through the wall bushing and clamps on two side surfaces of an outer wall or a floor slab to plug the small-section hole; can dismantle shutoff mould is including arranging the intraductal connecting rod of wall bushing in, be provided with spacing end cap on one of them tip of connecting rod, slidable mounting has the external bolster subassembly on the connecting rod, the external bolster subassembly includes the umbrella template, umbrella template cover is located on the connecting rod, set up the subassembly that opens and shuts between umbrella template and spacing end cap, be provided with compression spring between the subassembly that opens and shuts and spacing end cap, the subassembly that opens and shuts is located on the connecting rod and is connected with the umbrella template, be provided with spacing subassembly jointly on opening and shutting subassembly and connecting rod, be connected with the interior template subassembly on the connecting rod of the subassembly opposite side that opens and shuts is kept away from to the umbrella template, the laminating of umbrella template is in one side of outer wall or floor, the laminating of interior template subassembly is in the another side of outer wall or floor, umbrella template and interior template subassembly cooperate to press from both sides on the side of outer wall or floor and with little cross-section entrance to a cave shutoff jointly.

2. The removable plugging die suitable for small-section openings according to claim 1, wherein: the umbrella template includes a plurality of main branches, a plurality of main branches all use the connecting rod as the center and evenly set up around the connecting rod, form the slip through-hole jointly at the same tip that a plurality of main branches are close to the connecting rod, all be provided with the flabellum that opens and shuts between two adjacent main branches each other, the flabellum that opens and shuts includes first flabellum and second flabellum, first flabellum and second flabellum all are connected with adjacent main branch, be provided with big circular shaft group jointly on the butt joint side of first flabellum and second flabellum, rotate jointly on big circular shaft group and be connected with first circular member.

3. The removable plugging die suitable for small-section openings according to claim 2, wherein: the first fan blade and the second fan blade comprise a left fan blade and a right fan blade, the left fan blade is connected with the large circular shaft group, the right fan blade is connected with the adjacent main supporting rod, the small circular shaft group is arranged on the butt joint side of the left fan blade and the right fan blade, and the second circular rod piece is connected to the small circular shaft group in a common rotation mode.

4. A removable plugging die suitable for small section openings according to claim 3, wherein: the opening and closing assembly comprises a plurality of opening and closing supporting rods, the number of the opening and closing supporting rods is consistent with that of the main supporting rods, the opening and closing supporting rods are in one-to-one correspondence with the main supporting rods and are hinged with the main supporting rods, a sliding handle is sleeved on the connecting rod, the sliding handle is positioned between the umbrella template and the limiting end cap, the left end of the sliding handle is in contact with the compression spring, the same end parts of the opening and closing supporting rods are all arranged around the outer circle of the sliding handle, and each opening and closing supporting rod is hinged with the sliding handle.

5. The removable plugging die for small cross-section openings of claim 4, wherein: the limiting assembly comprises a rotary positioning clamp, a cuboid mounting hole is formed in a connecting rod, the cuboid mounting hole is formed in the connecting rod, the rotary positioning clamp is rotatably mounted in the cuboid mounting hole, the end part of the rotary positioning clamp protrudes out of the cuboid mounting hole, a bayonet matched with the rotary positioning clamp is formed in the sliding handle, a first cross rod and a second cross rod are arranged in the sliding handle below the bayonet, the first cross rod and the second cross rod are arranged in a vertically staggered mode, the first cross rod is located above the second cross rod, a sliding channel is communicated with one side, close to the limiting end cap, of the cuboid mounting hole on the connecting rod, the first cross rod and the second cross rod slide along the sliding channel, V-shaped limiting grooves are formed in the two end parts of the rotary positioning clamp, and locking is achieved through cooperation of the rotary positioning clamp, the bayonet, the first cross rod and the second cross rod.

6. The removable plugging die suitable for small-section holes according to claim 5, wherein: the inside diameter of the wall bushing is larger than the outside diameter of the detachable plugging die, and the inside diameter of the sliding through hole is matched with the outside diameter of the wall bushing.

7. The removable plugging die suitable for small-section openings according to claim 1, wherein: the inner template component comprises an inner template plate, a connecting rod is provided with threads, the center of the inner template plate is provided with a threaded hole, and the inner template plate is connected with the threads on the connecting rod through the threaded hole so as to be tightly attached to the side surface of the outer wall or the floor slab; the upper portion at interior mould plate is provided with the arc breach that is linked together with the small-section entrance to a cave, is provided with first closing plate between the side of interior mould plate and outer wall or floor, first closing plate and arc breach looks adaptation, first closing plate and interior mould plate hinge and lie in one side of arc breach.

8. The removable plugging die suitable for small-section openings of claim 7, wherein: the auxiliary grouting assembly comprises a connecting plane plate, a moving hole is formed in the connecting plane plate, the connecting plane plate is sleeved on the connecting rod through the moving hole, a nut is connected to the threads of the connecting rod, and the connecting plane plate is tightly attached to the side face of the inner mould plate through the nut; the upper portion at the connection face plate is provided with the half horn mouth that expands outward that is linked together with the arc breach, is provided with the second closing plate between connection face plate and interior mould plate spare, and the second closing plate is articulated and is located the one side of half horn mouth that expands outward with the connection face plate with the half horn mouth looks adaptation that expands outward.

9. A construction method of a detachable plugging die suitable for small-section holes according to any one of claims 1 to 8, characterized in that: the method comprises the following steps:

10. The construction method of the detachable plugging mold suitable for the small-section hole, according to claim 9, is characterized in that: in step S2, the opening of the umbrella form comprises the steps of: