CN217597361U

CN217597361U - A separate thick liquid device and mould for connecting thick liquid mouth and template

Info

Publication number: CN217597361U
Application number: CN202220554169.1U
Authority: CN
Inventors: 李兴贵; 徐小书
Original assignee: Cmcc Investment Shanzhu Chengdu Prefabricated Building Technology Development Co ltd; Sichuan Hongqi Hangdu Technology Co ltd
Current assignee: Cmcc Investment Shanzhu Chengdu Prefabricated Building Technology Development Co ltd; Sichuan Hongqi Hangdu Technology Co ltd
Priority date: 2022-03-15
Filing date: 2022-03-15
Publication date: 2022-10-18
Anticipated expiration: 2032-03-15

Abstract

A grout-separating device and a mould for connecting a grout opening and a template relate to the technical field of casting moulds of prefabricated parts, wherein the grout-separating device comprises an elastic plug, the elastic plug comprises a filling column in clearance fit with the inner wall of the grouting opening and the inner wall of a grout discharging opening of a grouting sleeve and a plug cap connected with the filling column, an expansion groove is arranged in the filling column, the expansion groove extends to the plug cap, and an opening is formed in the surface of the plug cap; an expansion pipe is arranged in the expansion groove, and a self-tapping screw is arranged in the expansion pipe; the mould includes end mould and side mould, is provided with the grout sleeve on the end mould, and the grout sleeve includes grout filling port and row's thick liquid mouth, still includes and separates the thick liquid device. The invention avoids punching on the side die, greatly reduces the loss of the template, ensures that the template can be repeatedly used, and reduces the production cost.

Description

A separate thick liquid device and mould for connecting thick liquid mouth and template

Technical Field

The invention relates to the technical field of prefabricated part casting molds, in particular to a grout isolation device and a mold for connecting a grout port and a template.

Background

The concrete prefabricated part, also called PC member and prefabricated part, refers to a concrete product produced by standardized and mechanized processing in a factory; the grouting sleeve connection technology is one of key technologies for connecting steel bars in a concrete prefabricated part, longitudinal steel bars are inserted into a metal sleeve with a plurality of shear grooves and injected with grouting materials, the whole prefabricated part is formed through hardening of the grouting materials, and the grouting sleeve connection technology has the advantages of reliable function, simplicity and convenience in installation, wide applicability and the like.

The prior art is with grout sleeve pre-buried in the prefab, at the pouring in-process of prefab, in order to block up grout mouth and arrange the thick liquid mouth when pouring concrete, generally use the PVC sleeve pipe cup joint on grout mouth and arrange the thick liquid mouth, then trompil on the steel form, make the position of PVC sleeve pipe protrusion template in order to fix the PVC pipe. However, the installation positions of grouting sleeves in different prefabricated parts are different, the side mold can be used in a turnover mode after being plugged and repaired again, and the side mold is scrapped due to the fact that too many holes are punched after being used for several times, so that the problems that the service life of the mold is shortened, the production cost is increased and the like are caused; when the template after plugging is used again, the pitted surface phenomenon can appear on the concrete surface, and manual treatment needs to be arranged, so that the production cost is further increased.

Disclosure of Invention

Aiming at the problems that the template is difficult to use in a turnover way after being perforated, the service life is short and the production cost is high in the prior art scheme, the invention provides a pulp separating device and a mould for connecting a pulp opening and the template.

The invention provides the following technical scheme: a grout separating device for connecting a grout opening and a template comprises an elastic plug, wherein the elastic plug comprises a filling column and a plug cap, the filling column is in clearance fit with the inner wall of the grout outlet of a grouting sleeve, the plug cap is connected with the filling column, an expansion groove is formed in the filling column, the expansion groove extends to the plug cap, and an opening is formed in the surface of the plug cap; an expansion pipe is arranged in the expansion groove, and a self-tapping screw is arranged in the expansion pipe.

Preferably, still include and separate the thick liquid sleeve pipe, the blanking cap is provided with towards one side of filling the post and separates thick liquid sleeve pipe complex constant head tank, separate thick liquid sleeve pipe one end cup joint in the surface of grout mouth, row's thick liquid mouth, the other end inserts in the constant head tank.

Preferably, the edge of one end of the filling column, which is far away from the plugging cap, is provided with a chamfer.

Preferably, the opening is in the shape of a cone with a large outer part and a small inner part.

Preferably, the plugging cap and the plugging column are made of rubber and are integrally formed.

The utility model provides a mould for connecting grout mouth and template, includes end mould and side form, be provided with grout sleeve on the end mould, grout sleeve includes grout mouth and row's thick liquid mouth, still including setting up the thick liquid device that separates between grout mouth, row's thick liquid mouth and side form.

The invention has the beneficial effects that: the grouting opening and the grout discharging opening are plugged by the elastic plug and connected among the grouting opening, the grout discharging opening and the side mold, the template and the elastic plug are detached after pouring and maintenance are finished, a reserved hole for grouting into the grouting sleeve is formed, punching on the side mold is avoided, the template can be reused almost infinitely, material cost for repurchasing the template is saved, meanwhile, hole plugging and repairing work and rough surface treatment work caused by the hole plugging and the repairing work are avoided, a large amount of labor cost and management cost are saved, and the surface quality of concrete is also improved; the expansion pipe controls the volume of the filling column, and the elastic plug is convenient to install and remove.

Drawings

Fig. 1 is a cross-sectional view of one embodiment of the elastomeric plug of the present invention.

FIG. 2 is a schematic diagram of one embodiment of the present invention.

Fig. 3 is an enlarged view of a portion a of fig. 2.

Fig. 4 is a schematic diagram of another embodiment of the present invention.

Fig. 5 is an enlarged view of a portion B of fig. 4.

Reference numerals: 1-end mould, 2-side mould, 3-grouting sleeve, 31-grouting opening, 32-grout discharging opening, 41-filling column, 42-end cap, 43-expansion groove, 44-opening, 45-expansion pipe, 46-positioning groove, 5-grout isolating sleeve and 6-longitudinal steel bar.

Detailed Description

The embodiments of the present invention will be described in more detail with reference to the accompanying drawings and reference numerals, so that those skilled in the art can implement the embodiments of the present invention after studying the specification. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Example 1

The invention provides a grout-separating device for connecting a grout opening and a template, which comprises an elastic plug, wherein the elastic plug comprises a filling column 41 in clearance fit with the inner walls of a grouting opening 31 and a grout discharge opening 32 of a grouting sleeve and a plug cap 42 connected with the filling column 41, an expansion groove 43 is arranged in the filling column 41, the expansion groove 43 extends to the plug cap 42, and an opening 44 is arranged on the surface of the plug cap 42; an expansion pipe 45 is arranged in the expansion groove 43, and a self-tapping screw is arranged in the expansion pipe 45.

Elasticity end cap is connected between thick liquid mouth and template, fills post 41 and is used for sealing grout mouthful 31 and the grout outlet 32 of grout sleeve 3, and inside the thick liquids got into grout sleeve when preventing the prefab from pouring, end cap 42 then was used for laminating with the template inner wall. After the pouring and the maintenance of the prefabricated member are finished, after the template and the elastic plug are removed, a passage communicated with the grouting opening 31 and the grout discharging opening 32 is formed in the side wall of the prefabricated member, and an opening of the passage on the surface of the prefabricated member is a flared opening corresponding to the shape of the plug cap 42, so that the grouting into the grouting sleeve 3 in the subsequent operation is facilitated. The plugging cap 42 and the filling column 41 are integrally formed and can be made of rubber or other elastic materials; the length of the packing column 41 can be 25 mm, the diameter can be 13 to 13.5 mm, the thickness of the plugging cap 42 can be 5 mm, and the diameter can be 30 mm.

The packing column 41 can be in clearance fit with the inner walls of the grouting opening 31 and the grout outlet 32, so that the installation and the disassembly are convenient, the tightness between the packing column and the grout outlet is increased, the displacement of the elastic plug in the pouring process is prevented, an expansion groove 43 is arranged in the packing column 41, an expansion pipe 45 is arranged in the expansion groove 43, and a self-tapping screw is arranged in the expansion pipe 45. After the self-tapping screw is screwed, the expansion pipe 45 expands outwards and forces the packing column to deform, so as to increase the volume of the packing column 41; after the tapping screw is unscrewed, the packing post 41 is reset under the elastic force. The tightness of the filling column 41 relative to the grouting opening and the grout discharging opening is controlled by screwing or unscrewing the self-tapping screw in the expansion pipe 45, so that the elastic plug is convenient to install, fix and disassemble. The depth of the expansion groove 43 may be 28 mm, the diameter thereof may be 5 mm, the expansion pipe may be a plastic expansion pipe of M5 × 25, and the self-tapping screw may be M3.5 × 25 so as not to protrude from the surface of the plugging cap 42.

Example 2

The invention provides a grout isolation device for connecting a grout opening and a template, which is shown in figure 5, and on the basis of embodiment 1, the grout isolation device further comprises a grout isolation sleeve 5, one side, facing a filling column 41, of a plugging cap 42 is provided with a positioning groove 46 matched with the grout isolation sleeve 5, one end of the grout isolation sleeve 5 is sleeved on the outer surfaces of the grout opening 31 and the grout outlet 32, and the other end of the grout isolation sleeve 5 is inserted into the positioning groove 46. Separate thick liquid sleeve 5 can adopt with grout mouth 31, arrange the outer wall complex PVC pipe of thick liquid mouth 32, cup joint on grout mouth, row's thick liquid mouth to both ends can support respectively and lean on grout sleeve 3 and end cap 42, play the effect of the clearance between control grout sleeve 3 and the curb plate 2, can compress tightly end cap 42 on side form 2 simultaneously. The edge of one end of the filling column 41, which is far away from the plugging cap 42, is provided with a chamfer, so that the filling column can be conveniently inserted into a grouting opening and a grout outlet. The opening 44 is conical with a large outside and a small inside and is used for accommodating the expansion tube and the head of the self-tapping screw so as not to protrude out of the surface of the plugging cap.

Example 3

The invention provides a mould for connecting a grout opening and a template, which comprises an end mould 1 and a side mould 2, wherein the end mould 1 is provided with a grouting sleeve 3, and the grouting sleeve 3 comprises a grouting opening 31 and a grout discharge opening 32. The prefabricated member comprises prefabricated concrete columns, walls, beams and other members. The end mould 1 is a surface directly contacted with the grouting sleeve 3, after the maintenance of the prefabricated member is finished and the end mould 1 is removed, the end surface of the grouting sleeve 3 is directly exposed on the surface of the prefabricated member, so that longitudinal steel bars of other components can be conveniently inserted into the grouting sleeve 3; the side die 2 is a die plate which is positioned on the side surface relative to the end die 1 and is detachably connected with the end die 1; the existing horizontal pouring method can be adopted, and 2 end molds and 3 side molds form a pouring space. The end mould 1 and the side mould 2 may be made of steel moulding plates.

The mould further comprises a grout isolation device as described in embodiment 1, which is connected between the grout inlet 31, the grout outlet 32 and the side mould 2. The filling columns 41 are used for sealing the grouting openings 31 and the grout discharging openings 32 of the grouting sleeve 3, so that grout is prevented from entering the grouting sleeve when the prefabricated part is poured, and the plug caps 42 are used for being attached to the inner wall of the side mold 2. After the pouring and the maintenance of the prefabricated member are finished, after the template and the elastic plug are removed, a passage communicated with the grouting opening 31 and the grout discharging opening 32 is formed in the side wall of the prefabricated member, and an opening of the passage on the surface of the prefabricated member is a flared opening corresponding to the shape of the plug cap 42, so that the grouting into the grouting sleeve 3 in the subsequent operation is facilitated.

Example 4

As shown in fig. 4 and 5, the present invention provides a mold for connecting a grout port and a template, which includes an end mold 1 and a side mold 2, wherein the end mold 1 is provided with a grouting sleeve 3, the grouting sleeve 3 includes a grouting port 31 and a grout outlet 32, and further includes a grout isolation device as described in embodiment 2, which is connected between the grouting port 31, the grout outlet 32 and the side mold 2. In order to avoid the situation that the length of the filling column is not enough to extend into the grouting opening and the grout outlet or the depth of the filling opening and the grout outlet is too short, the grouting opening 31 and the grout outlet 32 are sleeved with the grout isolation sleeve 5, one end of the grout isolation sleeve 5 is tightly close to the body of the grouting sleeve 3, and the other end of the grout isolation sleeve 5 is inserted into the positioning groove 46 on the plugging cap.

Example 5

The invention provides a construction method for connecting a grout opening and a template, which comprises the following steps:

s1, manufacturing a reinforcement cage according to data provided by a design drawing, connecting a grouting sleeve 3 to the tail end of a longitudinal reinforcement 6, and enabling a grouting opening 31 and a grout discharging opening 32 to face the outer side of the reinforcement cage; after the manufacturing is finished, the reinforcement cage is hoisted to the construction platform, so that the reinforcement cage is horizontally placed, and the longitudinal reinforcement is parallel to the ground. Cleaning the end molds 1, brushing a release agent on the end molds 1, then respectively installing the two end molds 1 at two ends of the reinforcement cage, and enabling one end mold 1 to fix and seal the grouting sleeve 3. The centre axis of the grout sleeve 3 is generally perpendicular to the end mould 1.

S21, determining the clearance L between the side mold 2 and the grouting opening and the grout discharging opening according to a design drawing and the field condition.

And S22, if the clearance L is smaller than the preset critical distance, directly inserting the plugging columns 41 of the elastic plugs into the grouting ports 31 and the grout outlet 32. The critical distance may be 0.6 times the length of the elastic plug.

S23, ensuring that the length of the elastic plug protruding out of the grouting opening 31 and the grout discharging opening 32 is equal to or slightly greater than the clearance L, and then screwing the self-tapping screw in the expansion pipe 45 to force the expansion pipe 45 and the filling column 41 to increase in volume, so that the elastic plug is more tightly connected with the grouting opening and the grout discharging opening; and then brushing a release agent on the surface of the elastic plug.

S3, cleaning the side die 2, and brushing a release agent on the side die 2. The plurality of side molds 2 are arranged between the two end molds 1 in a detachable mode of bolt connection, fixture fixation and the like, and after the installation is finished, the inner walls of the side molds are ensured to be attached to the surface of the end cap 42, as shown in figures 2 and 3.

And S4, finishing the working procedures of pouring, maintaining, removing the mold and the like, loosening the self-tapping screws, retracting the filling columns, removing the elastic plugs to obtain prefabricated parts, and enabling the removed mold plate and the elastic plugs to be recycled.

Example 6

S22, if the clearance L is greater than the predetermined critical distance, to avoid the length of the packing column not being enough to extend into the grouting opening or the grout outlet or the depth of the packing column extending into the grouting opening or the grout outlet being too short, the grouting opening 31 and the grout outlet 32 may be sleeved with the grout isolation sleeve 5, so that one end of the grout isolation sleeve 5 abuts against the body of the grouting sleeve 3, the packing column 41 is inserted into the grout isolation sleeve 5, and the other end of the grout isolation sleeve 5 is inserted into the positioning groove 46 of the plugging cap. The critical distance may be equal to the length of the elastic plug.

And S23, ensuring that the length of the elastic plug protruding out of the grouting opening 31 and the grout discharging opening 32 is equal to or slightly greater than the clearance L, and screwing the self-tapping screw in the expansion pipe 45.

S3, cleaning the side die 2, and brushing a release agent on the side die 2. A plurality of side moulds 2 are arranged between two end moulds 1 in a detachable mode of bolt connection, fixture fixation and the like, and after the installation is finished, the inner walls of the side moulds are ensured to be attached to the surface of the end-plugging cap, as shown in figures 4 and 5.

And S4, finishing the procedures of pouring, maintaining, removing the die and the like, loosening the self-tapping screw, removing the elastic plug to obtain a prefabricated part, wherein the removed die plate and the elastic plug can be recycled.

The foregoing is a detailed description of one or more embodiments of the invention, which is set forth in more detail and is not intended to limit the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the spirit of the invention, which falls within the scope of the invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. The utility model provides a separate thick liquid device for connecting thick liquid mouth and template which characterized in that: the grouting plug comprises an elastic plug body, wherein the elastic plug body comprises a filling column (41) in clearance fit with the inner wall of a grouting opening and a grout outlet of a grouting sleeve and a plug cap (42) connected with the filling column (41), an expansion groove (43) is formed in the filling column (41), the expansion groove (43) extends to the plug cap (42), and an opening (44) is formed in the surface of the plug cap (42); an expansion pipe (45) is arranged in the expansion groove (43), and a self-tapping screw is arranged in the expansion pipe (45).

2. The grout stop according to claim 1, wherein: still including separating thick liquid sleeve pipe (5), choke cap (42) are provided with towards one side of packing post (41) and separate thick liquid sleeve pipe (5) complex constant head tank (46), separate thick liquid sleeve pipe (5) one end cup joint the surface of grout mouth, row's thick liquid mouth, the other end inserts in constant head tank (46).

3. The grout stop according to claim 1, wherein: and a chamfer is arranged on the edge of one end, away from the end plug cap (42), of the filling column (41).

4. The grout stop according to claim 1, wherein: the opening (44) is in a conical shape with a large outer part and a small inner part.

5. The grout stop according to claim 1, wherein: the plugging cap (42) and the filling column (41) are made of rubber and are integrally formed.

6. The utility model provides a mould for connecting grout mouth and template, includes end mould (1) and side mould (2), be provided with grout sleeve (3) on end mould (1), grout sleeve (3) are including grout mouth (31) and row's grout mouth (32), its characterized in that: the grouting device is characterized by further comprising a grout isolating device arranged among the grouting opening (31), the grout discharging opening (32) and the side die (2).