CN217670096U

CN217670096U - Environment-friendly sheet pile mould

Info

Publication number: CN217670096U
Application number: CN202221835564.3U
Authority: CN
Inventors: 李明伟; 牛宏岩; 牛广杰
Original assignee: Hebei Quantong Building Materials Co ltd
Current assignee: Hebei Quantong Building Materials Co ltd
Priority date: 2022-07-16
Filing date: 2022-07-16
Publication date: 2022-10-28
Anticipated expiration: 2032-07-16

Abstract

The application relates to an environment-friendly sheet pile die, which relates to the field of concrete building material manufacturing dies and comprises a bottom die, an inner liner and a side die; a U-shaped inner cavity with an upward opening is formed in the bottom die; the lining is detachably connected in the inner cavity, and a distance is reserved between the lining and the bottom surface and the side surface of the inner cavity; the side dies are movably connected to two opposite sides of the bottom die and can be opened and closed on the bottom die; when the bottom die is in a closed state, a die cavity matched with the shape of the U-shaped sheet pile is defined among the bottom die, the inner lining and the side die. This application has the intensity that improves U shaped sheet pile compressive surface, and then guarantees engineering quality's effect.

Description

Environment-friendly sheet pile mould

Technical Field

The application relates to the field of concrete building material manufacturing moulds, in particular to an environment-friendly sheet pile mould.

Background

At present, a U-shaped concrete sheet pile is a retaining and retaining component with a cross section similar to a U shape, concave-convex groove-tenon structures are arranged on two sides of the retaining and retaining component, and the retaining and retaining component sinks into soil side by side when in use, is mainly used for bearing horizontal load of retaining and supporting, preventing seepage of a foundation pit and the like, and ensures the safety of foundation pit operation. In addition, U-shaped sheet piles are often used in projects such as bank protection and soil and water conservation due to their excellent soil and water retaining properties. The U-shaped concrete sheet pile needs to use a mould in the preparation process.

In the related art, for example, in chinese patent publication No. CN101913202B, a mold for a U-shaped concrete sheet pile is disclosed, the mold comprising: an inverted U-shaped lower steel form; the upper steel die and the lower steel die form an inner cavity matched with the sheet pile in shape after being closed; the two upper steel dies are respectively hinged on two sides of the lower steel die through a rotating shaft. In the preparation process of the U-shaped sheet pile, the steps of steel cage moulding, integral tensioning, concrete distribution, vibration forming, finishing, surface plastering, maintenance and the like are generally required.

With respect to the related art in the above, the inventors consider that: vibration molding is a necessary procedure for preparing the concrete U-shaped sheet pile, and can be used for molding the concrete in a mold through sufficient vibration, so that air bubbles in the concrete are fully released, the concrete is more compact, and the strength of the U-shaped sheet pile is ensured. If the vibration is insufficient, air bubbles in the concrete can not be fully released, and the overall strength of the U-shaped sheet pile is affected.

The bottom surface of U type sheet pile is main pressure-bearing stress surface, when adopting above-mentioned mould preparation U type sheet pile, at vibration forming's in-process, heavier composition can sink in the concrete, and lighter laitance can come up to the bottom surface of U type sheet pile on, forms thicker laitance layer, influences the intensity of U type sheet pile resistance to compression side, and in addition, the laitance layer takes place chapped easily, influences engineering quality.

SUMMERY OF THE UTILITY MODEL

In order to improve the intensity of U type sheet pile compressive surface, and then guarantee engineering quality, this application provides an environment-friendly sheet pile mould.

The application provides an environment-friendly sheet pile mould adopts following technical scheme:

an environment-friendly sheet pile die comprises a bottom die, an inner liner and a side die; a U-shaped inner cavity with an upward opening is formed in the bottom die; the lining is detachably connected in the inner cavity, and a distance is reserved between the lining and the bottom surface and the side surface of the inner cavity; the side dies are movably connected to two opposite sides of the bottom die and can be opened and closed on the bottom die; when the bottom die is in a closed state, a die cavity matched with the shape of the U-shaped sheet pile is defined among the bottom die, the inner lining and the side die.

Through adopting above-mentioned technical scheme, when preparing U type sheet pile, can dismantle the inside lining earlier, then go into the steel reinforcement cage in the inner chamber of die block, the installation inside lining, closed side form, thereby make the die cavity shaping, then pour the concrete, vibration forming, the bottom surface of U type sheet pile this moment is located the bottom of die cavity, heavier component can sink to on the bottom surface of U type sheet pile in vibration forming's the in-process concrete, the less material of laitance isopycnic can come up, can not form the laitance layer in the bottom surface of U type sheet pile, thereby improve the closely knit degree of U type sheet pile bottom surface, increase the intensity of bearing surface, guarantee engineering quality.

In addition, in the process of vibration forming, because the bottom surface of the U-shaped sheet pile is attached to the bottom surface of the inner cavity of the bottom die, the receiving and leveling treatment of the bearing surface of the U-shaped sheet pile can be avoided after forming, and compared with the prior art that manual leveling is needed, the flatness of the bearing surface of the U-shaped sheet pile is improved to a certain extent, the stress uniformity of the bearing surface is improved, and the bearing and pressure resistance is further improved.

Optionally, two supporting seats are arranged in the bottom die at intervals, supporting grooves are formed in the supporting seats, and the lining is located in the supporting grooves.

By adopting the technical scheme, the lining can be conveniently installed and dismantled in the inner cavity of the bottom die.

Optionally, the supporting seat is detachably connected with the bottom die.

By adopting the technical scheme, the distance between the two supporting seats is the length of the U-shaped sheet pile, and the distance between the lining and the bottom surface of the inner cavity is the thickness of the bottom surface of the U-shaped sheet pile, so that the U-shaped sheet piles with different lengths can be manufactured by changing the distance between the two supporting seats; through the supporting seat of changing different specifications, can adjust the interval between inside lining and the inner chamber bottom surface to the U type sheet pile of preparation different thickness.

Optionally, the supporting seat comprises a supporting plate and a lapping plate; the supporting plate is arranged in the inner cavity, and the supporting groove is arranged on the supporting plate; the lapping plate has two and sets up respectively in backup pad both sides, the lapping plate support in die block open-ended border department.

Through adopting above-mentioned technical scheme, make things convenient for the ann of supporting seat on the die block to tear open.

Optionally, the side die is hinged to the bottom die.

By adopting the technical scheme, the two side dies are oppositely turned around the hinge point, so that the closing of the side dies can be completed; the two side molds are folded back around the hinge point in a reverse way, so that the side molds can be opened; the side mould is convenient to open and close.

Optionally, the side die comprises a plurality of side die units spliced with each other.

By adopting the technical scheme, when the length of the U-shaped sheet pile is too large, the opening and closing of the side form is laborious, and meanwhile, the side form is easy to deform due to uneven stress, so that the side form can be conveniently opened and closed in a labor-saving manner by dividing the side form into a plurality of units.

Optionally, adjacent two the one end that the side form unit spliced each other is provided with protruding edge and the groove of stepping down respectively, works as the side form unit concatenation is accomplished the back, protruding edge with the mutual gomphosis in groove of stepping down.

By adopting the technical scheme, when the side die is in a closed state, the plurality of side die units are mutually spliced, and the convex edges and the abdicating grooves of the two adjacent side die units are mutually embedded, so that the whole side die is in a flat state, and the sealing performance of the splicing part of the side die is improved.

Optionally, a plurality of fixed plates are fixedly connected to the side forms along the length direction of the side forms, the fixed plates on the two side forms are correspondingly arranged, a split bolt is arranged between every two corresponding fixed plates, and when the side forms are closed, the fixed plates at corresponding positions are fixedly connected through the split bolts.

Through adopting above-mentioned technical scheme, the side form is closed the back, uses the split bolt to fix two fixed plates to at concreting and vibration forming's in-process, the side form is in the closed condition all the time.

Optionally, the liner includes a metal outer shell and a filler filled in the outer shell.

Through adopting above-mentioned technical scheme, both can guarantee the intensity of inside lining, reduce the cost of inside lining simultaneously.

Optionally, two ends of the bottom die are respectively provided with a pulling plate, two sides of the bottom die are respectively provided with a bearing pile, the bearing piles are arranged along the length direction of the bottom die, and the pulling plates are fixedly connected to the bearing piles.

Through adopting above-mentioned technical scheme, lay the steel reinforcement cage after, the main muscle of steel reinforcement cage can pass the stretch-draw board and with stretch-draw board locking, the stretch-draw board can be connected with current stretch-draw equipment, can carry out the application of force to the stretch-draw board through stretch-draw equipment, carries out stretch-draw work, and when stretch-draw, the stretch-draw board acts on the load stake to avoid the stretch-draw board direct action to cause the die block to warp at the die block tip.

In summary, the present application includes at least one of the following beneficial technical effects:

1. by arranging the bottom die, the inner liner and the side die, the compactness of the bottom surface of the U-shaped sheet pile can be improved in the vibration forming process, the accumulation of a floating slurry layer is reduced, and the strength of a pressure bearing surface is increased; meanwhile, the flatness of the bearing surface is improved, so that the bearing surface is stressed more uniformly, the bearing and compression capacity is further improved, and the engineering quality is ensured;

2. by arranging the supporting seat and detachably connecting the supporting seat to the inner cavity, the U-shaped sheet piles with different specifications can be conveniently produced;

3. the side die is divided into a plurality of side die units, so that the side die can be opened and closed conveniently in a labor-saving manner;

4. the convex edge and the abdication groove are arranged, so that the whole side die can be in a flat state, and meanwhile, the sealing performance of the splicing part of the side die is improved;

5. by arranging the bearing pile, the situation that the tensioning plate directly acts on the end part of the bottom die to cause the deformation of the bottom die can be avoided.

Drawings

Fig. 1 is a schematic structural diagram of an environment-friendly sheet pile mold in an embodiment of the present application;

FIG. 2 is a schematic view of the liner and bottom mold in an embodiment of the present application;

FIG. 3 is a schematic view of the liner and the support pedestal in an embodiment of the present application;

FIG. 4 is a schematic structural view of the split bolt and the fixing plate in the embodiment of the present application;

fig. 5 is a schematic structural diagram of the side die unit in the embodiment of the present application.

Description of the reference numerals: 1. bottom die; 10. a base plate; 11. a side plate; 12. a wing plate; 2. a liner; 3. performing side die; 30. a side mold unit; 300. a convex edge; 301. a yielding groove; 31. a fixing plate; 310. a fixing hole; 4. a mold cavity; 5. a supporting seat; 50. a support plate; 500. a support groove; 51. a lap plate; 6. oppositely pulling the bolts; 7. stretching the plate; 8. a bearing pile.

Detailed Description

The present application is described in further detail below with reference to figures 1-5.

The embodiment of the application discloses environment-friendly sheet pile mould. In order to facilitate understanding of the sheet pile mold provided by the embodiment of the present application, an application scenario of the sheet pile mold is first described, the sheet pile mold provided by the embodiment of the present application is mainly used for manufacturing a U-shaped sheet pile, and by using a mold in the prior art, a bottom surface of the formed U-shaped sheet pile is generally located at an upper portion of the mold, floating slurry with a small density floats upwards in a vibration forming process, and a thick floating slurry layer is formed on the bottom surface of the U-shaped sheet pile to affect strength of a pressure-resistant surface of the U-shaped sheet pile, and meanwhile, the floating slurry layer is easy to crack to affect engineering quality.

Referring to fig. 1 and 2, the environment-friendly sheet pile mold mainly comprises a bottom mold 1, an inner liner 2 and side molds 3; the bottom die 1 is provided with an inner cavity which is approximately U-shaped and has an upward opening; the lining 2 is detachably connected in the inner cavity, a space exists between the bottom of the lining 2 and the bottom surface of the inner cavity, and a space exists between the side wall of the lining 2 and the side wall of the inner cavity; two groups of side dies 3 are respectively arranged on two opposite sides of the bottom die 1, and the bottom die 1 is movably connected with the side dies 3, so that the side dies 3 can be opened or closed on the bottom die 1; when the side mold 3 is in a closed state, a mold cavity 4 matched with the shape of the U-shaped sheet pile is defined among the bottom mold 1, the lining 2 and the side mold 3.

When preparing U type sheet pile, can dismantle inside lining 2 earlier, then go into the steel reinforcement cage in the inner chamber of die block 1, installation inside lining 2, closed side form 3, thereby make the shaping of die cavity 4, then concreting, vibration molding, the bottom surface of U type sheet pile is located the bottom of die cavity 4 this moment, heavier component can sink to on the bottom surface of U type sheet pile in vibration molding's the in-process concrete, the laitance come-up can not form the laitance layer on the bottom surface of U type sheet pile, thereby improve the closely knit degree of U type sheet pile bottom surface, increase the intensity of bearing surface, guarantee engineering quality. In addition, in the process of vibration forming, because the bottom surface of the U-shaped sheet pile is attached to the bottom surface of the inner cavity of the bottom die 1, the receiving and leveling treatment of the bearing surface of the U-shaped sheet pile can be avoided after forming, and compared with the prior art that manual leveling is needed, the flatness of the bearing surface of the U-shaped sheet pile is improved to a certain extent, the stress uniformity of the bearing surface is improved, and the bearing and pressure resistance is improved.

The bottom die 1 comprises a bottom plate 10, a side plate 11 and a wing plate 12 which are integrally cast; the bottom plate 10 is horizontally arranged; the two side plates 11 are respectively arranged on two opposite sides of the bottom plate 10 in an inclined manner, the two side plates 11 are oppositely inclined, and form a U-shaped cavity with an upper flaring opening with the bottom plate 10, namely the inner cavity; the wing plates 12 are two and are respectively arranged at one end of the side plate 11 far away from the bottom plate 10. The inside of die block 1 can set up the steam passageway to can supply steam to steam through carrying out the steam curing to U type sheet pile.

Referring to fig. 3, the interval is provided with two supporting seats 5 in the die block 1, is provided with support groove 500 on the supporting seat 5, supports the shape and the inside lining 2 adaptation of

groove

500, and 2 both ends of inside lining are inlayed and are located support groove 500 to support inside lining 2, the ann of the inside lining 2 of being convenient for is torn open simultaneously. The cross-section of inside lining 2 is the polygon, but need guarantee at least that inside lining 2 has three adjacent side, and the shape that three side was arranged is the same with the shape of inner chamber, and the three side of inside lining 2 is parallel and have the interval with the bottom surface and two sides of inner chamber respectively, and the cross-section of inside lining 2 is regular pentagon in this embodiment. The inside lining 2 includes the metal shell and fills the filler in the shell, both can guarantee inside lining 2's intensity, reduces the cost simultaneously, and is specific, can adopt the steel shell, uses the concrete as the filler.

In order to facilitate the production of U-shaped sheet piles of different specifications, the supporting seat 5 is detachably connected with the bottom die 1; specifically, the support seat 5 includes a support plate 50 and a lapping plate 51; the supporting plate 50 is matched with the inner cavity and is arranged in the inner cavity, and the supporting groove 500 is arranged on the supporting plate 50; two lapping plates 51 are arranged on two sides of the supporting plate 50, and the lapping plates 51 and the supporting plate 50 are integrally cast; after the support base 5 is mounted on the bottom mold 1, the bridge plate 51 is bridged on the wing plate 12, so that the support base 5 is held stably on the bottom mold 1. U-shaped sheet piles with different lengths can be produced by adjusting the distance between the two supporting seats 5; through changing the supporting seat 5 of different specifications, can adjust the interval between inside lining 2 and the inner chamber bottom surface to the U type sheet pile that produces the bottom surface thickness difference.

Referring to fig. 3 and 4, the side mold 3 is hinged to the wing plate 12, and the side mold 3 is opened and closed by pushing the side mold 3 to rotate around the hinge point; the opposite surfaces of the two side moulds 3 are respectively provided with a tenon and a groove which are matched with each other, so that a mortise structure is formed on the two opposite side surfaces of the U-shaped sheet pile. A plurality of fixing plates 31 are fixedly connected to the side molds 3 along the length direction of the side molds 3, the fixing plates 31 on the two side molds 3 are correspondingly arranged, a split bolt 6 is arranged between every two corresponding fixing plates 31, and the fixing plates 31 at corresponding positions on the two side surfaces can be fixed through the split bolts 6, so that the side molds 3 are kept in a closed state in the process of pouring concrete. Specifically, the fixing hole 310 has been seted up on the fixed plate 31, and the one side that the fixing hole 310 pierces through the fixed plate 31 forms the opening, and the split bolt 6 can be installed and dismantle through the opening on the fixing hole 310, improves the convenience of installing and tearing open the split bolt 6.

Referring to fig. 5, the opening and closing of the side mold 3 can be controlled manually, or can be controlled by pushing elements such as air cylinders and hydraulic cylinders, and the pushing elements are manually pushed in this embodiment. Specifically, the side mold 3 includes a plurality of side mold units 30 which are coupled to each other, thereby facilitating the pushing of the side mold 3. The end that two adjacent side form units 30 splice each other is provided with protruding edge 300 and the groove of stepping down 301 respectively, and after side form unit 30 spliced the completion, protruding edge 300 and the mutual gomphosis of the groove of stepping down 301 to make whole side form 3 be in the state of leveling, improve the sealing performance of side form 3 concatenation department simultaneously.

In another embodiment, the side mold 3 may be detachably connected to the bottom mold 1, and the side mold 3 is fixed and detached to complete the opening and closing of the side mold 3, for example, the side mold 3 and the bottom mold 1 may be connected by bolts.

Referring to fig. 1, two ends of a bottom die 1 are respectively provided with a tensioning plate 7, and after a steel reinforcement cage is laid, a main rib of the steel reinforcement cage can penetrate through the tensioning plate 7 and be locked with the tensioning plate 7, for example, by means of anchoring and nut locking; tensioning plate 7 can be connected with current tensioning equipment, can carry out the application of force to tensioning plate 7 through tensioning equipment, carries out stretch-draw work.

The two opposite sides of the bottom die 1 are respectively provided with a bearing pile 8, the bearing piles 8 are arranged along the length direction of the bottom die 1, the tensioning plate 7 is fixedly connected to the end portion of the bearing piles 8, and the situation that the tensioning plate 7 directly acts on the end portion of the bottom die 1 to cause deformation of the bottom die 1 during tensioning can be avoided by arranging the bearing piles 8. Specifically, the bearing pile 8 may be fixedly connected to the ground, a support base may be disposed on the lower portion of the bottom die 1, the bearing pile 8 is fixedly connected to the base, and the bearing pile 8 may be fixedly connected to the bottom die 1.

The implementation principle of an environment-friendly sheet pile mould of the embodiment of the application is as follows: when the U-shaped sheet pile is prepared, firstly the lining 2 is detached, then the steel reinforcement cage is arranged in the bottom die 1, main reinforcements of the steel reinforcement cage penetrate through the tension plate 7 and are locked, then tension work is carried out, and the tension plate 7 acts on the bearing pile 8 during tension, so that the situation that the tension plate 7 directly acts on the end part of the bottom die 1 to cause deformation of the bottom die 1 is avoided.

Install inside lining 2 after the stretch-draw is accomplished, closed side form 3 uses split bolt 6 to fix, make the shaping of die cavity 4, vibration moulding behind the concreting, the bottom surface of U type sheet pile is located the bottom of die cavity 4 this moment, heavier component can sink to on the bottom surface of U type sheet pile in the vibration moulding's in-process concrete, the less material of density such as laitance can come up, can not form the laitance layer in the bottom surface of U type sheet pile, thereby improve the closely knit degree of U type sheet pile bottom surface, increase the intensity of bearing surface. Meanwhile, because the bottom surface of the U-shaped sheet pile is attached to the bottom surface of the inner cavity of the bottom die 1, the finishing and floating treatment of the U-shaped sheet pile bearing surface can be avoided after the forming, compared with the prior art that manual floating is needed, the flatness of the U-shaped sheet pile bearing surface is improved to a certain extent, and the stress uniformity of the bearing surface is improved.

The distance between two supporting seats 5 is the length of U type sheet pile promptly, and the distance between inside lining 2 and the inner chamber bottom surface is the thickness of U type sheet pile bottom surface promptly, consequently, through changing the distance between two supporting seats 5 or changing the supporting seat 5 of different specifications, is convenient for prepare the U type sheet pile of different specifications.

In conclusion, by arranging the bottom die 1, the lining 2 and the side die 3, the compactness of the bottom surface of the U-shaped sheet pile can be improved in the vibration forming process, the accumulation of a floating slurry layer is reduced, and the strength of a pressure bearing surface is increased; meanwhile, the flatness of the bearing surface is improved, the bearing surface is stressed more uniformly, the bearing and compression resistance capacity is further improved, and the engineering quality is ensured.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides an environment-friendly sheet pile mould which characterized in that: comprises a bottom die (1), a lining (2) and a side die (3); a U-shaped inner cavity with an upward opening is formed in the bottom die (1); the lining (2) is detachably connected in the inner cavity, and a distance exists between the lining (2) and the bottom surface and the side surface of the inner cavity; the side dies (3) are movably connected to two opposite sides of the bottom die (1) and can be opened and closed on the bottom die (1); when the bottom die (1) is in a closed state, a die cavity (4) matched with the shape of the U-shaped sheet pile is enclosed among the bottom die (1), the lining (2) and the side die (3).

2. The environment-friendly sheet pile die as claimed in claim 1, wherein: two supporting seats (5) are arranged in the bottom die (1) at intervals, supporting grooves (500) are formed in the supporting seats (5), and the lining (2) is located in the supporting grooves (500).

3. The environment-friendly sheet pile die as claimed in claim 2, wherein: the supporting seat (5) is detachably connected with the bottom die (1).

4. The environment-friendly sheet pile mould of claim 3, wherein: the supporting seat (5) comprises a supporting plate (50) and a lapping plate (51); the supporting plate (50) is arranged in the inner cavity, and the supporting groove (500) is arranged on the supporting plate (50); the lapping plate (51) has two and sets up respectively in backup pad (50) both sides, lapping plate (51) support in die block (1) open-ended border department.

5. The environment-friendly sheet pile mould of claim 1, wherein: the side die (3) is hinged with the bottom die (1).

6. The environment-friendly sheet pile die as claimed in claim 5, wherein: the side mould (3) comprises a plurality of side mould units (30) which are spliced with each other.

7. The environment-friendly sheet pile die as claimed in claim 6, wherein: adjacent two the one end that side form unit (30) spliced each other is provided with protruding edge (300) and groove of stepping down (301) respectively, works as side form unit (30) concatenation is accomplished the back, protruding edge (300) with groove of stepping down (301) gomphosis each other.

8. The environment-friendly sheet pile mould of claim 5, wherein: side form (3) are gone up along the length direction fixedly connected with a plurality of fixed plates (31) of side form (3), and fixed plate (31) on two side forms (3) correspond the setting, are provided with between per two corresponding fixed plate (31) to drawing bolt (6), work as side form (3) closed back, fixed plate (31) that correspond the position pass through to drawing bolt (6) fixed connection.

9. The environment-friendly sheet pile mold according to any one of claims 1 to 8, wherein: the liner (2) comprises a metal shell and a filler filled in the shell.

10. The environment-friendly sheet pile die as claimed in any one of claims 1 to 8, wherein: the improved bottom die is characterized in that two ends of the bottom die (1) are respectively provided with a pulling plate (7), two sides of the bottom die (1) are respectively provided with a bearing pile (8), the bearing piles (8) are arranged along the length direction of the bottom die (1), and the pulling plates (7) are fixedly connected to the bearing piles (8).