CN213890537U

CN213890537U - Mould of concrete pipe pile

Info

Publication number: CN213890537U
Application number: CN202022052389.8U
Authority: CN
Inventors: 周央娣; 许剑宏
Original assignee: Cixi Building Member Co ltd
Current assignee: Cixi Building Member Co ltd
Priority date: 2020-09-17
Filing date: 2020-09-17
Publication date: 2021-08-06
Anticipated expiration: 2030-09-17

Abstract

The utility model provides a concrete pipe pile's mould, which comprises an upper die, the lower mould, it forms the die cavity to go up mould and lower mould department of meeting, install the mold core in the die cavity, the mold core includes the steel reinforcement cage, steel reinforcement cage both ends symmetry suit location axle sleeve, central symmetry processing locating hole on the location axle sleeve terminal surface, the main muscle of steel reinforcement cage stretches into in the locating hole, bolt installation end plate is passed through in the location axle sleeve outside, the integrative screw rod of one side processing of location axle sleeve is kept away from to the end plate, suit lock nut on the screw rod, go up mould and lower mould and can dismantle the connection through compound die. During installation, the positioning shaft sleeves are sleeved at two ends of the steel reinforcement cage, the main ribs extend into the positioning holes, the end plates are installed on the outer sides of the positioning shaft sleeves to form a mold core, then the mold core is placed into the lower mold, the prepared concrete fills the lower mold, and finally the upper mold and the lower mold are fixed through the mold closing bolt assembly. The end part of the main reinforcement of the steel reinforcement cage of the die extends into the positioning hole of the positioning shaft sleeve, the overall structure of the die is more stable, and the die is effectively prevented from deforming.

Description

Mould of concrete pipe pile

Technical Field

The utility model relates to a mould of concrete pipe pile.

Background

The prestressed concrete tubular pile can be divided into a post-tensioning prestressed tubular pile and a pre-tensioning prestressed tubular pile. The pre-tensioning prestressed pipe pile is a hollow cylindrical elongated concrete prefabricated member made up by adopting pre-tensioning prestressed process and centrifugal forming method, mainly formed from cylindrical pile body, end plate and steel ferrule. The steel ferrule of the tubular pile is mainly used for shaping the end part, the end plate is convenient for the connection and fixation of the subsequent tubular piles, and the processes of stirring concrete, binding a reinforcement cage, assembling and entering a mold, feeding concrete, closing the mold, tensioning, centrifugally forming, steam curing, demolding and the like are required during processing. At present, the pipe pile die comprises a large number of spare parts, and the assembling process is relatively troublesome.

SUMMERY OF THE UTILITY MODEL

To the weak point that exists in the above-mentioned problem, the utility model provides a concrete pipe pile's mould.

For realizing the above-mentioned purpose, the utility model provides a concrete pipe pile's mould, including last mould, lower mould, it forms the die cavity to go up mould and lower mould department of meeting, install the mold core in the die cavity, the mold core includes the steel reinforcement cage, the steel reinforcement cage is formed by main muscle and stirrup seam welding, steel reinforcement cage both ends symmetry suit location axle sleeve, central symmetry processing locating hole on the location axle sleeve terminal surface, main muscle stretches into in the locating hole, bolt installation end plate is passed through in the location axle sleeve outside, the end plate is kept away from one side processing integrative screw rod of location axle sleeve, go up the mould with the lower mould passes through compound die bolt assembly and can dismantle the connection, go up mould both ends symmetry installation apron.

As the utility model discloses further improve, location axle sleeve central processing through-hole, central symmetry processing screw hole on the location axle sleeve terminal surface, the screw hole with the locating hole is linked together.

As the utility model discloses further improve, end plate central symmetry processing through-hole I, through-hole I with the screw hole is corresponding, the bolt passes through-hole I with the screw hole closes fixedly soon, the end plate is close to one side center extension formation guiding axle of location axle sleeve, the guiding axle stretches into the through-hole.

As the utility model discloses further improve, go up mould lower part edge radial extension and form protruding edge, protruding equipartition recess on following, lower mould upper portion edge radial extension forms protruding edge I, protruding edge I go up processing recess I with the recess is corresponding, I below symmetry in recess is equipped with the lug, compound die bolt assembly through the round pin axle with the lug is articulated.

As the utility model discloses further improve, compound die bolt assembly includes the compound die bolt, suit compound die nut on the compound die bolt, the recess the width of recess I with the external diameter of compound die bolt matches.

As the utility model discloses further improve, the internal diameter of location axle sleeve is greater than the external diameter of steel reinforcement cage.

As the utility model discloses further improve, apron central authorities process the guide way, the screw rod passes the guide way is used lock nut locking together, the width of guide way with the screw rod external diameter matches, the direction of guide way with the face of meeting of going up mould and lower mould is perpendicular.

As a further improvement, the utility model discloses go up the mould with evenly set up the loop forming element on the lower mould outer wall, the loop forming element divide into two semicircle rings and respectively with go up the mould with it is fixed that the lower mould is connected.

The utility model has the advantages that:

the end part of the main reinforcement of the reinforcement cage in the die extends into the positioning hole of the positioning shaft sleeve, the overall structure of the die is more stable, the die is effectively prevented from deforming, and the positioning shaft sleeve and the reinforcement cage form a whole after the tubular pile is formed; the cover plate with the guide groove is arranged and processed at the end part of the upper die, the upper die can be accurately placed on the lower die along the direction of the guide groove during die assembly, and the die assembly device is simple in structure and convenient to assemble.

Drawings

Fig. 1 is a sectional view of a mold for a concrete pipe pile of the present invention;

fig. 2 is a side view of the mold for concrete pipe piles of the present invention;

FIG. 3 is a partial view taken from the direction A in FIG. 2;

FIG. 4 is a schematic view of the positioning sleeve of component 22;

FIG. 5 is a side cross-sectional view of FIG. 4;

FIG. 6 is a schematic structural view of the end plate of the member 23;

FIG. 7 is a side view of FIG. 6;

FIG. 8 is a schematic view of the structure of the upper mold of part 1;

fig. 9 is a schematic view of the lower die of component 3.

In the figure: 1. an upper die; 11. a convex edge; 111. a groove; 2. a mold core; 21. a reinforcement cage; 211. a main rib; 212. hooping; 22. positioning the shaft sleeve; 221. a through hole; 222. positioning holes; 223. a threaded hole; 23. an end plate; 231. a through hole I; 232. a screw; 233. locking the nut; 234. a guide shaft; 24. a bolt; 3. a lower die; 31. a convex edge I; 311. a groove I; 32. a lug; 33. a pin shaft; 34. a clamp bolt assembly; 341. a mold closing bolt; 342. closing the die nut; 4. a mold cavity; 5. a cover plate; 51. a guide groove; 6. an annular member.

Detailed Description

As shown in fig. 1, the present invention provides a mold for concrete pipe pile, which comprises an upper mold 1, a lower mold 3, a mold cavity 4 formed at the joint of the upper mold 1 and the lower mold 3, a mold core 2 installed in the mold cavity 4, the mold core 2 including a reinforcement cage 21, the reinforcement cage 21 formed by roll welding a main reinforcement 211 and a stirrup 212, positioning sleeves 22 symmetrically sleeved at both ends of the reinforcement cage 21, the inner diameter of the positioning sleeve 22 is larger than the outer diameter of the reinforcement cage 21, a through hole 221 is formed in the center of the positioning sleeve 22, positioning holes 222 are symmetrically formed in the center of the end surface of the positioning sleeve 22, threaded holes 223 are symmetrically formed in the end surface of the positioning sleeve 22, the threaded holes 223 are communicated with the positioning holes 222 (see fig. 4), the main reinforcement 211 extends into the positioning holes 222, an end plate 23 is installed on the outer side of the positioning sleeve 22 through a bolt 24, a through hole i 231 (see fig. 6 and 7) is symmetrically formed in the center of the end plate 23, the through hole i corresponds to the threaded holes 223, the bolt 24 penetrates through the through hole I231 and is screwed and fixed with the threaded hole 223, a screw 232 is integrally processed on one side of the end plate 23 far away from the positioning shaft sleeve 22, the center of one side of the end plate 23 close to the positioning shaft sleeve 22 extends to form a guide shaft 234, the guide shaft 234 extends into the through hole 221, the upper die 1 and the lower die 3 are detachably connected through a die-closing bolt assembly 34 (see figure 2), the edge of the lower part of the upper die 1 extends radially to form a convex edge 11, grooves 111 are uniformly distributed on the convex edge 11, the edge of the upper part of the lower die 3 extends radially to form a convex edge I31, grooves I311 are processed on the convex edge I31 and correspond to the grooves 111, lugs 32 are symmetrically arranged below the grooves I311, the die-closing bolt assembly 34 is hinged with the lugs 32 through a pin shaft 33 (see figure 3), the die-closing bolt assembly 34 comprises a die-closing bolt 341, a die-closing nut 342 is sleeved on the die-closing bolt 341, and the widths of the grooves 111 and I311 are matched with the outer diameter of the die-closing bolt 341, the cover plates 5 are symmetrically installed at two ends of the upper die 1, the guide grooves 51 (see fig. 8) are machined in the centers of the cover plates 5, the screw rods 232 penetrate through the guide grooves 51 and are locked by the locking nuts 233, the width of the guide grooves 51 is matched with the outer diameter of the screw rods 232, the direction of the guide grooves 51 is perpendicular to the joint surfaces of the upper die 1 and the lower die 3, the outer walls of the upper die 1 and the lower die 3 are uniformly provided with the ring-shaped parts 6, and the ring-shaped parts 6 are divided into two semicircular rings and are respectively connected and fixed with the upper die 1 and the lower die 3 (see fig. 8 and fig. 9).

When in specific use, the utility model is described with the attached drawings for the convenience of understanding;

when the steel bar cage is installed, the steel bar cage is firstly placed into the lower die, then the two ends of the steel bar cage are sleeved with the positioning shaft sleeves, the end parts of the main ribs of the steel bar cage extend into the positioning holes of the positioning shaft sleeves, the relative rotation of the steel bar cage and the positioning shaft sleeves can be effectively prevented, the outer sides of the positioning shaft sleeves form die cores through the bolt installation end plates, the lower die is filled with prepared concrete, the two ends of the upper die are fixed with cover plates, guide grooves on the cover plates are aligned to bolts on the end plates to be clamped until the upper die and the lower die form a die assembly state, grooves I of convex edges at the edges of the upper die correspond to grooves I of convex edges I at the edges of the lower die, then the upper die and the lower die are fixed through die assembly bolt assemblies, the die assembly bolt assemblies are hinged with lugs below grooves I of the lower die, as long as the die assembly bolts rotate upwards by taking pin shafts as centers, the die assembly bolts are clamped into the grooves and the grooves I and are fixed by die assembly nuts, after the die is assembled, the processes such as centrifugal forming can be carried out, after the pipe pile is formed, the upper die, the lower die and the end plate are detached, and the positioning shaft sleeve, the reinforcement cage and the concrete form an integral pipe pile structure.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a mould of concrete pipe pile which characterized in that: comprises an upper die (1) and a lower die (3), wherein a die cavity (4) is formed at the joint of the upper die (1) and the lower die (3), a mold core (2) is arranged in the mold cavity (4), the mold core (2) comprises a reinforcement cage (21), the reinforcement cage (21) is formed by roll welding a main reinforcement (211) and a stirrup (212), positioning shaft sleeves (22) are symmetrically sleeved at two ends of the reinforcement cage (21), positioning holes (222) are machined in the end faces of the positioning shaft sleeves (22) in a central symmetry manner, the main rib (211) extends into the positioning hole (222), the outer side of the positioning shaft sleeve (22) is provided with an end plate (23) through a bolt (24), one side of the end plate (23) far away from the positioning shaft sleeve (22) is processed with an integrated screw rod (232), the upper die (1) and the lower die (3) are detachably connected through a die assembly bolt assembly (34), and cover plates (5) are symmetrically arranged at two ends of the upper die (1).

2. The mold for concrete pipe pile according to claim 1, characterized in that: the positioning shaft sleeve (22) is centrally provided with a through hole (221), the end surface of the positioning shaft sleeve (22) is centrally and symmetrically provided with a threaded hole (223), and the threaded hole (223) is communicated with the positioning hole (222).

3. The mold for concrete pipe pile according to claim 2, characterized in that: end plate (23) central symmetry processing through-hole I (231), through-hole I (231) with screw hole (223) are corresponding, bolt (24) pass through I (231) of through-hole with screw hole (223) close fixedly soon, end plate (23) are close to one side center extension formation guiding axle (234) of location axle sleeve (22), guiding axle (234) stretch into through-hole (221).

4. The mold for concrete pipe pile according to claim 1, characterized in that: go up mould (1) lower part edge radial extension and form protruding edge (11), equipartition recess (111) are gone up in protruding edge (11), lower mould (3) upper portion edge radial extension forms protruding edge I (31), protruding edge I (31) go up processing recess I (311) with recess (111) correspond, recess I (311) below symmetry is equipped with lug (32), compound die bolt subassembly (34) through round pin axle (33) with lug (32) are articulated.

5. The mold for concrete pipe pile according to claim 4, characterized in that: the mold clamping bolt component (34) comprises a mold clamping bolt (341), a mold clamping nut (342) is sleeved on the mold clamping bolt (341), and the widths of the groove (111) and the groove I (311) are matched with the outer diameter of the mold clamping bolt (341).

6. The mold for concrete pipe pile according to claim 1, characterized in that: the inner diameter of the positioning shaft sleeve (22) is larger than the outer diameter of the reinforcement cage (21).

7. The mold for concrete pipe pile according to claim 1, characterized in that: the cover plate (5) is centrally provided with a guide groove (51), the screw rod (232) penetrates through the guide groove (51) and is locked by a locking nut (233), the width of the guide groove (51) is matched with the outer diameter of the screw rod (232), and the direction of the guide groove (51) is perpendicular to the joint surface of the upper die (1) and the lower die (3).

8. The mold for concrete pipe pile according to claim 1, characterized in that: the die is characterized in that ring-shaped pieces (6) are uniformly arranged on the outer walls of the upper die (1) and the lower die (3), and the ring-shaped pieces (6) are divided into two semicircular rings and are respectively connected and fixed with the upper die (1) and the lower die (3).