CN210827445U

CN210827445U - Prefab and variable cross section precast pile

Info

Publication number: CN210827445U
Application number: CN201921311526.6U
Authority: CN
Inventors: 周兆弟
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-08-13
Filing date: 2019-08-13
Publication date: 2020-06-23
Anticipated expiration: 2029-08-13

Abstract

The utility model provides a prefabricated member and a prefabricated pile with variable cross section, wherein the prefabricated member is combined with a pile body with equal cross section to form the prefabricated pile with variable cross section, the prefabricated member comprises at least two prefabricated blocks, each prefabricated block can be sequentially connected end to be arranged on the pile body with equal cross section by a hoop, the end parts of two adjacent prefabricated blocks are assembled and fixed by at least one connecting component, moreover, at least one prefabricated block is provided with a positioning part which can longitudinally position the prefabricated block on the equal-section pile body, by arranging the precast blocks and assembling and fixing the end parts of two adjacent precast blocks by at least one connecting component, the precast blocks can be sequentially connected end to be hooped on the equal-section pile body, so that the outer surface of the variable-section precast pile is concave-convex, even if do not adopt dedicated integrated into one piece mould can make the variable cross section precast pile who has unsmooth outer wall, reduced the requirement to the mould, and reduced the preparation degree of difficulty.

Description

Prefab and variable cross section precast pile

Technical Field

The utility model relates to a concrete pile technical field, concretely relates to prefab and variable cross section precast pile.

Background

The superiority of the concrete prefabricated ribbed pile compared with other pile types is accepted by the industry, the development space in the field of soft soil foundation treatment is large, and a certain positive effect is generated in the field of engineering construction.

At present, common concrete ribbed piles in the market comprise various types of bamboo joint piles, the bamboo joint piles are prestressed concrete piles with annular bamboo joint-shaped protrusions, pile bodies are arranged at equal intervals in the axial direction, the prestressed concrete piles have high bearing capacity and pulling resistance, the ribbed piles are integrally formed through a special die, and the cross section of the pile body of the ribbed pile has change in the axial direction, so that the ribbed piles have special requirements on the die in an integrally formed mode. The traditional mould for processing the concrete pile with the uniform cross section cannot be popularized and applied to the production of the concrete pile with the rib, the structure of the mould specially used for the concrete pile with the rib is relatively complex, the corresponding integrated forming mould needs to be processed and formed respectively under the condition that the shape and the size of the pile body rib change, the applicability of the mould is poor, and the economical efficiency of the production mode is poor due to the complex manufacture of the mould.

SUMMERY OF THE UTILITY MODEL

For solving current concrete ribbed pile and passing through special mould integrated into one piece, require the height to the mould, the technical problem that mould structure is complicated, the utility model provides a can reduce prefab and concrete pile of variable cross section precast pile mould complexity.

The prefabricated member is used for being combined with a constant-section pile body to form a variable-section prefabricated pile and comprises at least two prefabricated blocks, the prefabricated blocks can be sequentially connected end to form a hoop on the constant-section pile body, the end parts of every two adjacent prefabricated blocks are assembled and fixed through at least one connecting assembly, and in addition, at least one prefabricated block is provided with a positioning part capable of longitudinally positioning the prefabricated block on the constant-section pile body.

The utility model discloses the beneficial effect of prefab is: through setting up the prefabricated section to the tip of two adjacent prefabricated sections is fixed by the equipment of at least a connecting elements, makes each the prefabricated section can be in proper order end to end with hoop on equal cross-section pile body, makes the outward appearance of variable cross-section precast pile personally submit unsmooth form, even do not adopt dedicated integrated into one piece mould can produce the variable cross-section precast pile who has unsmooth outer wall, has reduced the requirement to the mould, and has reduced the preparation degree of difficulty.

Additionally, the utility model also provides a variable cross section precast pile, including equal cross section pile body and a plurality of aforementioned prefab, it is a plurality of the prefab is arranged on equal cross section pile body along longitudinal separation.

The utility model discloses a concrete pile includes aforementioned prefab, therefore has the effect of aforementioned prefab, has simple structure in addition, easy and simple to handle's advantage.

Drawings

Fig. 1 is a schematic structural view of a precast pile with a variable cross section according to the present invention;

FIG. 2 is a schematic structural view of the prefabricated member of the present invention;

FIG. 3 is a schematic view of a precast block;

fig. 4 is a schematic cross-sectional view of a connection assembly.

Reference numerals: 10. pile bodies with equal cross sections; 20. a prefabricated member; 23. drawing the die surface; 24. prefabricating blocks; 241. a positioning part; 2411. positioning the through hole; 30. a connecting assembly; 40. a fastener; 51. a first nut socket; 52. a second nut socket; 53. a backstop device; 54. inserting a rod; 541. a reducing plug-in connector; 55. and (5) clamping the steel bar heading.

Detailed Description

In order to facilitate understanding of the technical solutions of the present invention, the following detailed description is made with reference to the accompanying drawings and specific embodiments.

Referring to fig. 1, the utility model provides a variable cross section precast pile, including uniform cross section pile body 10 and a plurality of prefab 20, a plurality of prefabs 20 are arranged on uniform cross section pile body 10 along longitudinal separation. The longitudinal direction is the length direction of the pile body 10 with the equal section.

2-3, the prefabricated member 20 comprises at least two prefabricated blocks 24, each prefabricated block 24 can be connected end to end in turn to hoop on the equal-section pile body 10, the end parts of two adjacent prefabricated blocks 24 are assembled and fixed by at least one connecting component 30, and at least one prefabricated block 24 is provided with a positioning part 241 capable of longitudinally positioning itself on the equal-section pile body 10.

The utility model discloses a set up prefabricated section 24, and the tip of two adjacent prefabricated sections 24 is fixed by the equipment of at least one connecting elements 30, make each prefabricated section 24 can be end to end in proper order with the hoop on cross-section pile body 10, make the outward appearance of variable cross-section precast pile be unsmooth, even do not adopt dedicated integrated into one piece mould can produce the variable cross-section precast pile who has unsmooth outer wall, the requirement to the mould has been reduced, and the preparation degree of difficulty has been reduced, the variable cross-section precast pile who has unsmooth outer wall has increased the area of contact of variable cross-section precast pile and earth, and strengthen the interlock between variable cross-section precast pile and the earth, thereby effectively strengthen the interaction force between variable cross-section precast pile and the earth, make the connection between variable cross-section precast pile and the earth inseparabler.

The difference from the above embodiment is that, referring to fig. 3-4, at least one connection assembly 30 is disposed at the positioning portion 241 of the precast block 24 between the precast block 24 and the equal-section pile body 10, so that the precast block 24 is fixed on the equal-section pile body 10, the connection assembly 30 includes a first nut sleeve 51 and a second nut sleeve 52, the first nut sleeve 51 is fixedly disposed on the equal-section pile body 10, the second nut sleeve 52 is fixedly disposed on the positioning portion 241 of the precast block 24, an insertion rod 54 is mounted on the second nut sleeve 52, a reducing insertion-connection head 541 capable of extending into the first nut sleeve 51 is formed at one end of the insertion rod 54 far from the second nut sleeve 52, and a retreat stopper 53 reversibly stopping the reducing insertion-connection head 541 is disposed in the first nut sleeve 51. The reducing plug 541 of the plug rod 54 on the second nut sleeve 52 is inserted into the first nut sleeve 51 and is in fit clamping connection with the backstop 53, so that the precast block 24 is fixed on the equal-section pile body 10, the fixing operation of the precast block 24 is simple and convenient, and the operation speed is improved.

The difference from the above embodiment is that the connecting assembly 30 for connecting two adjacent prefabricated blocks 24 is arranged at the middle position of the end of the prefabricated block 24, the middle position enables the two adjacent prefabricated blocks 24 to be stably connected while saving materials, or a plurality of prefabricated blocks 24 are arranged at equal distance from the end of the prefabricated block 24, so that the connecting effect between the prefabricated blocks 24 is enhanced; the connecting component 30 for connecting the uniform-section pile body 10 and the precast block 24 is arranged at the center of the precast block 24, and the center of the connecting component enables the precast block 24 to be stable on the uniform-section pile body 10 while saving materials, or a plurality of precast blocks 24 are uniformly arranged on the precast block 24, so that the connecting effect is enhanced, and the precast blocks 24 are further prevented from falling off.

The difference from the above embodiment is that the pile body 10 with the uniform cross section is a solid circular pile or a hollow circular pile or a solid polygonal pile or a hollow polygonal pile, and the precast block is arranged according to the shape of the pile body to be installed, so as to be matched with the pile body 10 with the uniform cross section to form the precast pile with the variable cross section.

The difference from the above embodiment is that an adhesive and/or a curing agent is coated between the inner wall of the prefabricated block 24 and the outer wall of the equal-section pile body 10, so that the prefabricated block 24 is stably and fixedly arranged on the equal-section pile body 10.

The difference from the previous embodiment is that, referring to fig. 3-4, the connection assembly 30 between adjacent prefabricated blocks 24 includes a first nut socket 51 and a second nut socket 52, the first nut socket 51 is fixed to one end of one prefabricated block 24, and the second nut socket 52 is fixed to one end of one adjacent prefabricated block 24; the second nut socket 52 is provided with an insertion rod 54, one end of the insertion rod 54 far away from the second nut socket 52 is provided with a reducing plug 541 capable of extending into the first nut socket 51, and a backstop 53 capable of reversibly blocking the reducing plug 541 is arranged in the first nut socket 51. The variable-diameter plug 541 of the plug rod 54 on the second nut sleeve 52 is inserted into the first nut sleeve 51 and is in fit clamping connection with the backstop 53, so that the adjacent precast blocks 24 are in butt joint, the butt-jointed precast blocks 24 form the precast pieces 20 and are tightly clamped on the equal-section pile body 10, the butt joint operation of the adjacent precast blocks 24 is simple and convenient, and the butt joint speed is increased.

The difference from the above embodiment is that the precast block 24 is a reinforced concrete member, and the reinforcing bars in the precast block 24 are fixedly connected with the first nut-socket 51 and/or the second nut-socket 52, so that the first nut-socket 51 and/or the second nut-socket 52 are fixedly connected with the precast block 24. Preferably, referring to fig. 4, the first nut sleeve 51 and the second nut sleeve 52 are both provided with a steel bar heading clamping table 55, and the steel bars in the precast block 24 are clamped on the steel bar heading clamping table 55, so that the structure is simple; or the first nut sleeve 51 and/or the second nut sleeve 52 are/is screwed and fixed with the steel bars respectively, so that the structure is simple, and the operation is simple and convenient.

The difference from the above embodiment is that, referring to fig. 2, the precast block 24 is formed with a draft surface 23 in the longitudinal direction of the uniform cross-section pile body 10, which facilitates the demolding of the precast block 24.

The difference from the above embodiment is that, referring to fig. 1-2, the positioning portion 241 of the precast block 24 is a positioning through hole 2411 formed in the thickness direction of the precast block 24, the precast block 24 is locked on the equal-section pile body 10 by a fastener 40 penetrating through the positioning through hole 2411, and the positioning through hole 2411 is provided to facilitate the operation of fixing the precast block 24 on the equal-section pile body 10; preferably, the fastening member 40 is a bolt, and the bolt passes through the positioning through hole 2411 of the precast block 24 to lock the precast block 24 on the equal-section pile body 10.

The above is only the preferred embodiment of the present invention, and the protection scope of the present invention is defined by the scope defined by the claims, and a plurality of modifications and decorations made by those skilled in the art without departing from the spirit and scope of the present invention should also be regarded as the protection scope of the present invention.

Claims

1. The prefabricated member is used for being combined with a constant-section pile body to form a variable-section prefabricated pile and is characterized by comprising at least two prefabricated blocks, wherein the prefabricated blocks are sequentially connected end to end and hooped on the constant-section pile body, the end parts of the two adjacent prefabricated blocks are assembled and fixed through at least one connecting component, and in addition, at least one prefabricated block is provided with a positioning part which can longitudinally position the prefabricated block on the constant-section pile body.

2. The pre-fabricated member of claim 1, wherein the coupling assembly includes a first nut-socket secured to an end of one of the pre-fabricated sections and a second nut-socket secured to an end of an adjacent pre-fabricated section; the second nut sleeve is provided with an insert rod, one end of the insert rod, which is far away from the second nut sleeve, is provided with a reducing plug-in connector which can extend into the first nut sleeve, and a backstop which can reversibly stop the reducing plug-in connector is arranged in the first nut sleeve.

3. The prefabricated member as claimed in claim 2, wherein the prefabricated block is a reinforced concrete member, and the reinforcing steel bars in the prefabricated block are fixedly connected with the first nut sleeve and/or the second nut sleeve.

4. The preform of claim 3, wherein the first nut sleeve and the second nut sleeve each have a rebar clip disposed therein, the rebar within the preform block being clipped to the rebar clip;

or the first nut sleeve and/or the second nut sleeve are/is screwed and fixed with the steel bar respectively.

5. The preform as claimed in claim 1, wherein the preform block is formed with a draft surface in a longitudinal direction of the uniform cross-section shaft.

6. The prefabricated member as claimed in claim 1, wherein the positioning part is a positioning through hole formed in the thickness direction of the prefabricated block, and the prefabricated block is locked on the equal-section pile body by a fastener penetrating through the positioning through hole.

7. The precast member according to claim 6, wherein the fastening member is a bolt which passes through a positioning through hole of the precast block to lock the precast block on the equal-section pile body.

8. A precast pile with a variable cross section, comprising a pile body with a constant cross section and a plurality of precast members as recited in claims 1 to 5, the plurality of precast members being arranged on the pile body with a constant cross section at intervals in a longitudinal direction.

9. The precast pile with the variable cross section as claimed in claim 8, wherein the precast block and the pile body with the constant cross section are provided with at least one connection assembly at a positioning part of the precast block to fix the precast block on the pile body with the constant cross section, the connection assembly comprises a first nut sleeve and a second nut sleeve, the first nut sleeve is fixedly arranged on the pile body with the constant cross section, the second nut sleeve is fixedly arranged on the positioning part of the precast block, the second nut sleeve is provided with an insert rod, one end of the insert rod far away from the second nut sleeve is provided with a reducing plug capable of extending into the first nut sleeve, and a backstop capable of reversibly stopping the reducing plug is arranged in the first nut sleeve.

10. The precast pile of claim 9, wherein the connecting members for connecting two adjacent precast blocks are provided at the middle of the end portions of the precast blocks, or are provided at equal intervals at the end portions of the precast blocks; the connecting component for connecting the pile body and the precast block is arranged at the center of the precast block, or a plurality of connecting components are uniformly arranged on the precast block.

11. The precast pile with the variable cross section as claimed in claim 8, wherein the pile body with the constant cross section is a solid circular pile or a hollow circular pile or a solid polygonal pile or a hollow polygonal pile.

12. The precast pile of claim 8, wherein an adhesive and/or a curing agent is applied between the inner wall of the precast block and the outer wall of the constant-section pile body.