CN216505883U

CN216505883U - Positioning snap ring device for preventing mortar leakage of prefabricated part circular hole overhanging rib

Info

Publication number: CN216505883U
Application number: CN202123146033.1U
Authority: CN
Inventors: 卢敏; 周茂丰; 谢国梁; 王晓巍; 张睿
Original assignee: Hefei Zhongbao Machinery Manufacturing Co ltd
Current assignee: Hefei Zhongbao Machinery Manufacturing Co ltd
Priority date: 2021-12-14
Filing date: 2021-12-14
Publication date: 2022-05-13
Anticipated expiration: 2031-12-14

Abstract

The utility model relates to a positioning snap ring device for preventing mortar leakage of an overhanging rib of a circular hole of a prefabricated part, which comprises a side die, an end die and a circular hole snap ring structure. A plurality of through holes for penetrating the outer extending ribs are uniformly formed in the end die; a plurality of grooves are formed outside each through hole. The round hole clamping ring structure comprises an annular plate, an elastic adhesive tape and a plurality of ear plates; the lug plates are centrosymmetric through the through holes, are L-shaped, are fixedly arranged in the grooves at the vertical ends, are positioned in the tangential direction of the circumference where the grooves are positioned at the horizontal ends, and are provided with guide inclined planes facing the end die; a plurality of ear rods are vertically arranged on the outer wall of the annular plate; the elastic rubber strip is coaxial with the annular plate, one end of the elastic rubber strip is attached to the inner wall of the annular plate, and the other end of the elastic rubber strip is located outside the annular plate. The device is through preventing leaking thick liquid and location snap ring structural improvement design to just making the overhanging muscle in beam column mould circular opening for the overhanging muscle positioning accuracy of precast beam column component improves by a wide margin, and the volume of leaking thick liquid is still less, changes control product quality.

Description

Positioning snap ring device for preventing mortar leakage of prefabricated part circular hole overhanging rib

Technical Field

The utility model relates to the technical field of engineering machinery, in particular to a positioning snap ring device for preventing slurry leakage of an overhanging rib of a circular hole of a prefabricated part.

Background

In recent years, the assembly type building has been rapidly developed, and the quality requirement of a concrete prefabricated (hereinafter referred to as PC) member is higher. The scheme of the PC member steel die at the outer extending rib is only left vacant in the past, the problems of slurry leakage and positioning are not considered in the method, and the steel die design and the manufacturer do not have corresponding treatment measures, so that the PC member factory needs to solve the problems, and the production process and the member quality can not meet the requirements of the assembly type building.

At present, a component factory usually purchases a sponge strip clamped between an external extending rib and a round hole, the method has the disadvantages of large slurry leakage amount, large positioning deviation of the external extending rib, large sponge strip consumption, high component later-stage repair cost and no conformity with the requirements of high precision, high quality and environmental protection of an assembly type building.

SUMMERY OF THE UTILITY MODEL

Based on this, provide a prefabricated component overhanging muscle in circular hole leak protection thick liquid and use location snap ring device, it includes side forms, end mould and circular hole snap ring structure. The end mould is fixedly connected with the side mould; a plurality of through holes for penetrating the outer extending ribs are uniformly formed on the end die; a plurality of grooves are formed outside each through hole and are symmetrical with the center of each through hole. The round hole snap ring structure comprises an annular plate, an elastic rubber strip and a plurality of lug plates; the lug plates are centrosymmetric through the through holes, are L-shaped, are fixedly arranged in the grooves at the vertical ends, are positioned in the tangential direction of the circumference where the grooves are positioned at the horizontal ends, and are provided with guide inclined planes facing the end die; a plurality of ear rods are vertically arranged on the outer wall of the annular plate; the elastic rubber strip is coaxial with the annular plate, one end of the elastic rubber strip is attached to the inner wall of the annular plate, and the other end of the elastic rubber strip is positioned outside the annular plate; the sum of the length of the ear rod and the radius of the annular plate is larger than the distance between the groove and the center of the through hole; the distance between one end of the elastic rubber strip positioned outside the annular plate and the ear rod is greater than the distance between the horizontal end of the ear plate and the end die; when the annular plate is rotated to the position that the ear rods are attached to the lower surface of the horizontal end of the ear plate, the elastic rubber strips are pressed to deform and are attached to the outward extending ribs and the end die.

Above-mentioned overhanging muscle of prefabricated component circular opening is prevented leaking thick liquid and is used location snap ring device is through preventing leaking thick liquid and location snap ring structural improvement design just making the overhanging muscle of beam column mould circular opening for the overhanging muscle positioning accuracy of prefabricated beam column component increases substantially, and it is still less to leak thick liquid volume, changes control product quality.

In one embodiment, the side forms and the end forms are removably connected by bolts.

In one embodiment, the number of the through holes is four, and the four through holes are distributed on the end die in a rectangular shape.

In one embodiment, the number of the grooves formed outside the through hole is two, and the two grooves are symmetrically distributed along the through hole.

In one embodiment, the cross-sectional shape of the groove is quadrilateral.

In one embodiment, the annular plate comprises a clamping plate, a fixing ring and a fixing bolt, wherein a round hole is formed in the center of the clamping plate, and the diameter of the round hole is larger than that of the fixing ring; the clamping plate is also provided with a plurality of threaded holes matched with the fixing bolts; the fixing ring is provided with mounting holes which are in one-to-one correspondence with the threaded holes.

In one embodiment, the ear stem and the catch plate are integrally formed.

In one embodiment, the ear stem is welded to the card.

In one embodiment, the end of the ear rod near the horizontal end of the ear plate is provided with a guide surface matched with the guide inclined surface.

In one embodiment, the elastic rubber strip is a sponge rubber strip and has the size of 8x8 mm.

Compared with the prior art, the utility model has the following beneficial effects:

when the positioning snap ring device for preventing mortar leakage of the external extending ribs of the circular hole of the prefabricated part is used, firstly, a steel mould consisting of a side mould and an end mould is fixed on a platform surface, and the external extending ribs of an embedded part of the prefabricated part and the like are placed; with round hole snap ring structure cover outside the muscle that stretches out, elasticity adhesive tape inner wall and the laminating of overhanging muscle, be located the outer one end of annular plate and end mould laminating, begin rotatory round hole snap ring structure, because the distance between ear pole and the end mould is less than the distance between ear plate horizontal end and the end mould, therefore, the contact of the guide inclined plane of ear pole and ear plate, and constantly rotate the in-process, make the final card of ear pole between ear plate and end mould through compression elasticity adhesive tape, at this moment, because pressure leads to elasticity adhesive tape to take place deformation, make it and between the end mould, and with the frictional force greatly increased between the overhanging muscle, fixed has been realized, and can greatly reduced leak thick liquid volume. And (4) reversely operating when the prefabricated part is demoulded. Through the improved design of the structure of the positioning snap ring and the slurry leakage prevention of the overhanging ribs of the circular holes of the rigid beam column die, the positioning precision of the overhanging ribs of the prefabricated beam column component is greatly improved, the slurry leakage amount is less, the product quality is easier to control, the costs of purchasing, management, later repair and the like of the component factory are reduced, the assembly line working environment of the component factory is improved, and the production efficiency and the yield of the component product are improved.

Drawings

FIG. 1 is a top view of a positioning snap ring device.

FIG. 2 is a front view of the positioning snap ring device.

FIG. 3 is a side view of the positioning clip ring device.

FIG. 4 is a top view of an end die in a positioning snap ring device.

FIG. 5 is a top view of a circular hole snap ring structure in a positioning snap ring device.

FIG. 6 is a side view of a circular hole snap ring structure in a detent snap ring arrangement.

FIG. 7 is a front view of a circular hole snap ring structure in a detent snap ring arrangement.

FIG. 8 is a schematic view of a clip plate in a round hole clip ring structure.

FIG. 9 is a schematic view of a retaining ring in a circular hole snap ring structure.

FIG. 10 is a schematic structural view of an elastic rubber strip in a round hole snap ring structure.

Fig. 11 is a schematic structural diagram of an ear plate in a round hole clasp structure.

In the figure: 1-side die, 2-connecting bolt, 3-end die, 31-groove, 32-through hole, 4-round hole snap ring structure, 41-snap plate, 42-fixing ring, 43-elastic rubber strip, 44-fixing bolt, 45-ear plate, 46-ear rod and 5-external extending rib.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It will be understood that when an element is referred to as being "mounted on" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. When an element is referred to as being "secured to" another element, it can be directly secured to the other element or intervening elements may also be present.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used herein, the term "or/and" includes any and all combinations of one or more of the associated listed items.

Example 1

Referring to fig. 1-4, the present embodiment discloses a positioning snap ring device for preventing slurry leakage of a prefabricated part circular hole overhanging rib, which comprises a side die 1, an end die 3 and a circular hole snap ring structure 4. In the figure: a represents that the positioning clamping ring device is in a locking state, B represents that the positioning clamping ring device is in an opening state, C represents a platform surface, and D represents concrete. The concrete structure is as follows:

the end die 3 is connected with the side die 1 to form a steel die. The specific connection mode is not limited, and in the embodiment, the side forms 1 and the end forms 3 are detachably connected through bolts. A plurality of through holes 32 for penetrating the outer extending ribs 5 are uniformly formed on the end die 3; each through hole 32 is externally provided with a plurality of grooves 31, and the plurality of grooves 31 are centrosymmetric with the through hole 32. In this embodiment, there are four through holes 32, and the four through holes 32 are distributed on the end mold 3 in a rectangular shape. When the side formwork is used, the four outer extending ribs 5 can be inserted into the steel mould, and concrete is poured to one side of the side formwork 1.

Referring to fig. 5-7, the circular hole snap ring structure 4 includes an annular plate, an elastic rubber strip 43 and a plurality of ear plates 45.

In this embodiment, referring to fig. 8-11, the plurality of ear plates 45 are centrally symmetric about the through hole 32, the ear plates 45 are L-shaped, the vertical ends thereof are fixedly mounted in the grooves 31, the horizontal ends thereof are located in the tangential direction of the circumference of the grooves 31, and the horizontal ends of the ear plates 45 are provided with guide slopes facing the end mold 3. A plurality of ear rods 46 are vertically arranged on the outer wall of the annular plate, and the sum of the length of the ear rods 46 and the radius of the annular plate is larger than the distance between the groove 31 and the center of the through hole 32. In this embodiment, the number of the grooves 31 formed outside the through hole 32 is two, and the two grooves 31 are symmetrically arranged along the through hole 32. In contrast, the number of lug plates 45 corresponds to the number of recesses 31, i.e. two. In the present embodiment, the cross-sectional shape of the groove 31 is a quadrangle, such as a square, a rectangle, a parallelogram, or a rhombus.

In this embodiment, the elastic rubber strip is a sponge rubber strip, and the size is 8x8 mm. The elastic rubber strip 43 is coaxial with the annular plate, one end of the elastic rubber strip 43 is attached to the inner wall of the annular plate, and the other end of the elastic rubber strip is located outside the annular plate. In this embodiment, the elastic strip 43 is adhered to the inner wall of the annular plate by epoxy glue. The distance between the elastic strip 43 and the ear stem 46 is greater than the distance between the horizontal end of the ear plate 45 and the end mould 3. When the ring-shaped plate is rotated until the ear rod 46 is engaged with the lower surface of the horizontal end of the ear plate 45, the elastic rubber strip 43 is pressed and deformed to engage with the external bead 5 and the end mold 3.

Of course, in other embodiments, the end of the ear rod 46 near the horizontal end of the ear plate 45 may be provided with a guide surface that cooperates with the guide ramp. When the annular plate is rotated, the two guide surfaces are matched with each other, so that the elastic rubber strip can be better pressed to deform, and the friction force between the elastic rubber strip and the external extending rib and between the elastic rubber strip and the end die is increased.

In other embodiments, the annular plate includes a clamping plate 41, a fixing ring 42 and a fixing bolt 44, a circular hole is formed in the center of the clamping plate 41, and the diameter of the circular hole is larger than the diameter of the fixing ring 42; the clamping plate 41 is also provided with a plurality of threaded holes matched with the fixing bolts 44; the fixing ring 42 is provided with mounting holes corresponding to the threaded holes one to one. That is, the ring plate may be an integrated plate or a detachable combination plate. The fixing bolt 44 is an M4x10 hexagon socket head bolt. When the annular plate is a combined plate, the ear rod 46 and the clamping plate 41 are fixedly connected, although the connection mode is not limited, and the ear rod 46 and the clamping plate 41 can be welded or clamped, and preferably, the ear rod 46 and the clamping plate 41 are integrally formed.

When the positioning snap ring device for preventing mortar leakage of the external extending ribs of the circular hole of the prefabricated part is used, firstly, a steel mould consisting of the side mould 1 and the end mould 3 is fixed on a platform surface, and the external extending ribs 5 of the embedded part of the prefabricated part and the like are placed; with 4 covers of circle hole snap ring structure 5 outside stretching out muscle, elasticity adhesive tape 43 inner wall and 5 laminating of overhanging muscle, be located the outer one end of annular plate and laminate with end mould 3, begin rotatory circle hole snap ring structure 4, because the distance between ear bar 46 and the end mould is less than ear bar 45 level end and the end mould between the distance, therefore, the contact of the guide inclined plane of ear bar 46 and ear bar 45, and constantly rotate the in-process, make the final card of ear bar 46 between ear bar 45 and end mould through compression elasticity adhesive tape, at this moment, because pressure leads to elasticity adhesive tape 43 to take place deformation, make it and end mould 3 between, and with the outer frictional force greatly increased between the stretching out muscle 5, realized fixedly, and can greatly reduced leak the thick liquid volume. And (4) reversely operating when the prefabricated part is demoulded. Through the improved design of the structure of the positioning snap ring and the slurry leakage prevention of the overhanging ribs of the circular holes of the rigid beam column die, the positioning precision of the overhanging ribs of the prefabricated beam column component is greatly improved, the slurry leakage amount is less, the product quality is easier to control, the costs of purchasing, management, later repair and the like of the component factory are reduced, the assembly line working environment of the component factory is improved, and the production efficiency and the yield of the component product are improved.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only express one embodiment of the present invention, and the description thereof is more specific and detailed, but not to be construed as limiting the scope of the application of the utility model. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present application shall be subject to the appended claims.

Claims

1. The utility model provides an overhanging muscle of prefabricated component circular hole is prevented leaking thick liquid and is used location snap ring device which characterized in that, it includes:

a side form (1);

the end die (3) is fixedly connected with the side die (1); a plurality of through holes (32) for penetrating through the outer extending ribs (5) are uniformly formed in the end die (3); a plurality of grooves (31) are formed outside each through hole (32), and the grooves (31) are centrosymmetric with the through holes (32); and

a round hole snap ring structure (4) comprising an annular plate, an elastic rubber strip (43) and a plurality of ear plates (45); the lug plates (45) are centrosymmetric with the through hole (32), the lug plates (45) are L-shaped, vertical ends of the lug plates are fixedly installed in the grooves (31), horizontal ends of the lug plates are located in the tangential direction of the circumference where the grooves (31) are located, and guide inclined planes facing the end die (3) are formed in the horizontal ends of the lug plates (45); a plurality of ear rods (46) are vertically arranged on the outer wall of the annular plate; the elastic rubber strip (43) is coaxial with the annular plate, one end of the elastic rubber strip (43) is attached to the inner wall of the annular plate, and the other end of the elastic rubber strip is positioned outside the annular plate;

wherein the sum of the length of the ear rod (46) and the radius of the annular plate is greater than the distance between the groove (31) and the center of the through hole (32); the distance between one end of the elastic rubber strip (43) outside the annular plate and the ear rod (46) is greater than the distance between the horizontal end of the ear plate (45) and the end die (3); when the annular plate is rotated until the ear rods (46) are jointed with the lower surface of the horizontal end of the ear plate (45), the elastic rubber strip (43) is pressed to deform and is jointed with the outward extending ribs (5) and the end die (3).

2. The positioning snap ring device for preventing the leakage of slurry of the reinforcement outside the circular hole of the prefabricated part according to the claim 1, characterized in that the side forms (1) and the end forms (3) are detachably connected through bolts.

3. The positioning snap ring device for preventing the grout leakage of the reinforcement outside the round hole of the prefabricated part according to claim 1, wherein the number of the through holes (32) is four, and the four through holes (32) are distributed on the end die (3) in a rectangular shape.

4. The positioning snap ring device for preventing the leakage of slurry of the ribs outside the circular hole of the prefabricated part according to the claim 1, characterized in that the number of the grooves (31) formed outside the through hole (32) is two, and the two grooves (31) are symmetrically arranged along the through hole (32).

5. The positioning snap ring device for preventing the grout leakage of the reinforcement outside the round hole of the prefabricated part according to claim 1, wherein the cross section of the groove (31) is quadrilateral.

6. The positioning snap ring device for preventing slurry leakage of the reinforcement extending out of the round hole of the prefabricated part according to claim 1, wherein the annular plate comprises a clamping plate (41), a fixing ring (42) and a fixing bolt (44), a round hole is formed in the center of the clamping plate (41), and the diameter of the round hole is larger than the diameter of the fixing ring (42); the clamping plate (41) is also provided with a plurality of threaded holes matched with the fixing bolts (44); the fixing ring (42) is provided with mounting holes which correspond to the threaded holes one by one.

7. The positioning snap ring device for preventing grout leakage of the reinforcement outside the circular hole of the prefabricated part as claimed in claim 6, wherein the ear rod (46) and the clamping plate (41) are integrally formed.

8. The positioning snap ring device for preventing grout leakage of the reinforcement outside the round hole of the prefabricated part as claimed in claim 6, wherein the ear rod (46) is welded on the clamping plate (41).

9. The positioning snap ring device for preventing grout leakage of the outside reinforcement of the round hole of the prefabricated part according to claim 1, characterized in that one end of the ear rod (46) close to the horizontal end of the ear plate (45) is provided with a guide surface matched with the guide inclined surface.

10. The positioning snap ring device for preventing grout leakage of the reinforcement outside the circular hole of the prefabricated part as claimed in claim 1, wherein the elastic rubber strip is a sponge rubber strip and has the size of 8x8 mm.