Bidirectional adjustable horizontal prefabricated box culvert mold

Abstract

The utility model discloses a bidirectionally adjustable horizontal prefabricated box culvert mold which comprises an outer mold set and an inner mold, and a pouring mold cavity is formed between the outer mold set and the inner mold. The outer die set comprises a bottom die, a first vertical die, a second vertical die and two groups of end dies; the second vertical mold is connected with the bottom mold through an adjusting part; the adjusting part is used for adjusting the distance between the first vertical mold and the second vertical mold; any group of end molds are positioned on the same side of the first vertical mold and the second vertical mold, and the end molds are respectively propped against the side surfaces of the first vertical mold and the second vertical mold; the two end molds are located on the two sides of the first vertical mold and the two sides of the second vertical mold, and the end molds are detachably connected with the first vertical mold and the second vertical mold through first quick release mechanisms correspondingly. The end mold comprises four end mold corner pieces, and every two adjacent end mold corner pieces are connected through a plurality of end mold edge pieces which are connected in sequence; the inner die comprises four inner die corner fittings, and every two adjacent inner die corner fittings are connected through a plurality of inner die edge fittings which are connected in sequence. The box culvert mold can be adjusted to be in various sizes, and the purchasing cost and the construction cost of the mold are reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to mould manufacturing technical field especially relates to two -way adjustable horizontal prefabricated box culvert mould. BACKGROUND

[0002] The assembled concrete box culvert is very suitable for modern city underground comprehensive pipe gallery construction because of short construction period, low engineering cost, high anti -permeability and anti -seismic nature, low construction operation noise and other advantages. However, the market demand size is more, and one box culvert mould corresponds to one type box culvert, so that the mould purchase cost is higher, and the construction cost is increased. UTILITY MODEL CONTENTS

[0003] The utility model provides two -way adjustable horizontal prefabricated box culvert mould to solve above -mentioned technical problem.

[0004] In order to realize the above -mentioned purpose, the technical scheme of the utility model is:

[0005] Two -way adjustable horizontal prefabricated box culvert mould, including outer mould group and inner mould, and the pouring mould cavity is formed between outer mould group and inner mould;The outer mould group includes: bottom die, first vertical mould, second vertical mould and two groups of end moulds;First vertical mould and second vertical mould are oppositely arranged on the bottom die, and the first vertical mould is fixedly connected with the bottom die, and the second vertical mould is connected with the bottom die through the adjusting component, and the adjusting component is used for adjusting the distance between the first vertical mould and the second vertical mould;Any one group of end mould is located on the same side of the first vertical mould and the second vertical mould, and the end mould abuts the side surface of the first vertical mould and the second vertical mould respectively;Two groups of end moulds are located on both sides of the first vertical mould and on both sides of the second vertical mould, and the end mould is detachably connected with the first vertical mould and the second vertical mould through the first quick release mechanism respectively;

[0006] The end mould is a rectangular frame structure, and the end mould includes four end mould corner pieces, and adjacent two end mould corner pieces are connected through a plurality of sequentially connected end mould side pieces, and the end mould corner piece is detachably connected with the end mould side piece and the adjacent end mould side piece;

[0007] The inner mould is a tubular structure with two open ends, and the inner mould is located between the first vertical mould and the second vertical mould and between the two groups of end moulds, and the inner mould is separated from the bottom die, and the two ends of the inner mould abut the two groups of end moulds respectively, and the inner mould is detachably connected with the end mould through the second quick release mechanism;

[0008] The inner mould includes four inner mould corner pieces, and adjacent two inner mould corner pieces are connected through a plurality of sequentially connected inner mould side pieces, and the inner mould corner piece is detachably connected with the inner mould side piece and the adjacent inner mould side piece.

[0009] Preferably, adjacent end mould side pieces, end mould corner pieces and end mould side pieces, adjacent inner mould side pieces and inner mould corner pieces and inner mould side pieces are detachably connected through the first connecting assembly.

[0010] Preferably, the first connecting assembly includes two locating pins and two locating holes. The locating pins and locating holes are respectively provided on the two parts to be connected. After the locating pins are inserted into the locating holes, the two parts to be connected are connected by the first bolt group.

[0011] Preferably, the adjusting component includes: a vertical mold connecting member detachably connected to the second vertical mold, a row of through holes formed on the bottom mold, and a second bolt group. The row of through holes is arranged along the direction of the second vertical mold toward the first vertical mold. The vertical mold connecting member is detachably connected to the bottom mold through the second bolt group and the through hole group.

[0012] Preferably, the bottom formwork includes: two parallel bottom formwork support beams, a fixed base plate fixedly mounted on the bottom formwork support beams, and several movable plates; the bottom formwork support beams are arranged along the direction from the second vertical formwork towards the first vertical formwork, the fixed base plate and several movable plates are sequentially spliced ​​in the horizontal plane, and the first vertical formwork is fixedly connected to the fixed base plate; the several movable plates are located on the side of the fixed base plate away from the first vertical formwork and can all be detachably connected to the bottom formwork support beams;

[0013] A row of through holes is formed on the bottom formwork support beam, and the vertical formwork connector is located between the two bottom formwork support beams and below the movable plate.

[0014] Preferably, the lower end of the second vertical mold is fixed with two support seats, and the lower end of the support seats is fixed with guide members arranged in the direction from the second vertical mold toward the first vertical mold; the vertical mold connecting member has two guide holes respectively corresponding to the two guide members, the two guide members are inserted into the corresponding guide holes, and the vertical mold connecting member is fixed with two guide components, which guide the guide members; the vertical mold connecting member is connected to the second vertical mold through a first quick-release mechanism.

[0015] Preferably, the first quick-release mechanism includes: a first mounting base, a first connecting member, a double-ended screw, a second connecting member, and a second mounting base; the first mounting base and the second mounting base are respectively fixedly connected to the two parts to be connected; one end of the first connecting member is rotatably connected to the first mounting base, and the other end has a first threaded hole; the second connecting member has a second threaded hole, and the thread direction of the second threaded hole is opposite to that of the first threaded hole; the two ends of the double-ended screw are respectively screwed into the first threaded hole and the second threaded hole; the second mounting base includes a first U-shaped groove, and both sides of the second connecting member are provided with limiting pins. The second mounting base is also provided with two limiting surfaces, and the second connecting member can enter from the opening of the first U-shaped groove. The two limiting surfaces respectively hold the two limiting pins, and the two limiting surfaces restrict the movement of the second connecting member toward the first connecting member.

[0016] Preferably, the second quick-release mechanism includes: a third mounting base, a C-shaped component, and a locking bolt; the third mounting base is fixed to the end of the inner mold, one end of the C-shaped component is rotatably connected to the third mounting base, and the locking bolt is screwed into the third threaded hole at the other end of the C-shaped component; the third mounting base is provided with a positioning surface, which is positioned opposite to the head of the locking bolt passing through the C-shaped component; the positioning surface abuts against the inner wall of the end mold, the C-shaped component rotates and rests on the end mold, and the locking bolt is tightened to press the end mold against the positioning surface.

[0017] Preferably, the side of the end mold that abuts against the bottom mold is detachably connected to the bottom mold via a first quick-release mechanism, and the side of the inner mold facing the bottom mold is detachably connected to the bottom mold via a third quick-release mechanism;

[0018] The third quick-release mechanism includes: a fourth mounting base, a fifth mounting base, a screw, a locking nut, and a limit cap; the fourth and fifth mounting bases are respectively fixedly connected to the two parts to be connected; the fourth mounting base includes a second U-shaped groove, the fifth mounting base includes a third U-shaped groove, the screw enters from the openings of the second and third U-shaped grooves, and the locking nut and limit cap are respectively screwed onto both ends of the screw. The third quick-release mechanism 9 includes: a fourth mounting base 91, a fifth mounting base 92, a screw 93, a locking nut 94, and a limit cap 95; the limit cap 95 is fixed to one end of the screw 93; the fourth mounting base 91 and the fifth mounting base 92 are respectively fixedly connected to the two parts to be connected; the fourth mounting base 91 includes a second U-shaped groove, the fifth mounting base 92 includes a third U-shaped groove, the screw 93 enters from the openings of the second and third U-shaped grooves, the limit cap 95 abuts against the side of the third U-shaped groove away from the second U-shaped groove, and the locking nut 94 is screwed onto the screw 93.

[0019] Preferably, the casting mold cavity is further provided with a pre-embedded component, which includes four pre-embedded rods. The two ends of the pre-embedded rods are detachably connected to two end molds respectively. The middle of the pre-embedded rod passes through the tensioning groove forming block, which is fixed on the inner mold corner piece.

[0020] Beneficial effects:

[0021] The bidirectional adjustable horizontal precast box culvert mold disclosed in this application uses adjustable components to adjust the distance between the first and second vertical molds, adjusts the size of the end mold by adjusting the number of end mold side pieces, and adjusts the size of the inner mold by adjusting the number of inner mold side pieces. It can adjust the lateral width and longitudinal height, and ultimately realize the box culvert mold to be adjusted to multiple sizes, reducing the procurement cost of molds and the construction cost. Attached Figure Description

[0022] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0023] Figure 1 This is a schematic diagram of the structure of the bidirectional adjustable horizontal precast box culvert mold disclosed in this utility model;

[0024] Figure 2 This is a schematic diagram of the structure of the bidirectional adjustable horizontal precast box culvert mold inner mold disclosed in this utility model;

[0025] Figure 3 This is a structural schematic diagram of the first vertical mold and bottom mold assembly of the bidirectional adjustable horizontal precast box culvert mold disclosed in this utility model;

[0026] Figure 4 This is a schematic diagram of the structure of the bidirectional adjustable horizontal precast box culvert mold after the removal of the movable plate of the first vertical mold and bottom mold assembly. Figure 1 ;

[0027] Figure 5 This is a schematic diagram of the structure of the bidirectional adjustable horizontal precast box culvert mold after the removal of the movable plate of the first vertical mold and bottom mold assembly. Figure 2 ;

[0028] Figure 6 This is a schematic diagram of the structure of the second vertical mold of the bidirectional adjustable horizontal precast box culvert mold disclosed in this utility model;

[0029] Figure 7 This is a schematic diagram of the structure of the end mold of the bidirectional adjustable horizontal precast box culvert mold disclosed in this utility model;

[0030] Figure 8 This is a schematic diagram of the structure of the bidirectional adjustable horizontal precast box culvert mold end mold corner piece disclosed in this utility model;

[0031] Figure 9 This is a schematic diagram of the structure of the end mold edge component of the bidirectional adjustable horizontal precast box culvert mold disclosed in this utility model;

[0032] Figure 10 This is a front view of the bidirectional adjustable horizontal precast box culvert mold end mold edge component disclosed in this utility model;

[0033] Figure 11 This is a side view of the end mold edge component of the bidirectional adjustable horizontal precast box culvert mold disclosed in this utility model;

[0034] Figure 12 This is a schematic diagram of the structure of the bidirectional adjustable horizontal precast box culvert mold vertical mold connecting component and guide assembly assembly disclosed in this utility model;

[0035] Figure 13 This is a schematic diagram of the first quick-release mechanism of the bidirectional adjustable horizontal precast box culvert mold disclosed in this utility model.

[0036] Figure 14 This is a schematic diagram of the second quick-release mechanism of the bidirectional adjustable horizontal precast box culvert mold disclosed in this utility model.

[0037] Figure 15 This is a schematic diagram of the third quick-release mechanism of the bidirectional adjustable horizontal precast box culvert mold disclosed in this utility model.

[0038] 1. Inner mold; 11. Inner mold corner piece; 12. Inner mold side piece; 13. Tensioning groove forming block;

[0039] 2. Bottom formwork; 21. Bottom formwork support beam; 22. Fixed base plate; 23. Movable plate; 24. Bottom formwork splicing block;

[0040] 3. First mold erection;

[0041] 4. Second vertical mold; 41. Vertical mold connector; 42. Through hole assembly; 43. Support base; 44. Guide component; 45. Guide hole; 461. First guide plate; 462. Second guide plate; 463. First roller; 464. Second roller; 465. Third roller;

[0042] 5. End mold; 51. End mold corner piece; 52. End mold edge piece;

[0043] 6. First quick-release mechanism; 61. First mounting base; 62. First connecting piece; 63. Double-ended screw; 64. Second connecting piece; 641. Limiting pin; 65. Second mounting base; 651. Limiting surface;

[0044] 7. Second quick-release mechanism; 71. Third mounting base; 711. Positioning surface; 72. C-shaped part; 73. Locking bolt;

[0045] 81. Locating pin; 82. Locating hole;

[0046] 9. Third quick-release mechanism; 91. Fourth mounting base; 92. Fifth mounting base; 93. Screw; 94. Locking nut; 95. Limit cap;

[0047] 101. Embedded rod. Detailed Implementation

[0048] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0049] A bidirectional adjustable horizontal precast box culvert mold, combined with Figures 1-15 As shown, the system includes an outer mold assembly and an inner mold 1, with a casting cavity formed between the outer mold assembly and the inner mold 1. The outer mold assembly includes a bottom mold 2, a first vertical mold 3, a second vertical mold 4, and two sets of end molds 5. The first vertical mold 3 and the second vertical mold 4 are disposed opposite to each other on the bottom mold 2. The first vertical mold 3 is fixedly connected to the bottom mold 2, and the second vertical mold 4 is connected to the bottom mold 2 through an adjusting component. The adjusting component is used to adjust the distance between the first vertical mold 3 and the second vertical mold 4. Any set of end molds 5 is located on the same side of the first vertical mold 3 and the second vertical mold 4, and the end molds 5 respectively abut against the sides of the first vertical mold 3 and the second vertical mold 4. The two sets of end molds 5 are located on both sides of the first vertical mold 3 and on both sides of the second vertical mold 4, and the end molds 5 are detachably connected to the first vertical mold 3 and the second vertical mold 4 respectively through a first quick-release mechanism 6.

[0050] The end mold 5 is a rectangular frame structure. The end mold 5 includes four end mold corner pieces 51. Two adjacent end mold corner pieces 51 are connected by several end mold side pieces 52 connected in sequence. The end mold corner pieces 51 and end mold side pieces 52, as well as adjacent end mold side pieces 52, can be detachably connected.

[0051] The inner mold 1 is a tubular structure with openings at both ends. The inner mold 1 is located between the first vertical mold 3 and the second vertical mold 4 and between the two sets of end molds 5. The inner mold 1 is separate from the bottom mold 2. The two ends of the inner mold 1 abut against the two sets of end molds 5 respectively. The inner mold 1 is detachably connected to the end molds 5 through the second quick-release mechanism 7.

[0052] The inner mold 1 includes four inner mold corner pieces 11. Two adjacent inner mold corner pieces 11 are connected by several inner mold side pieces 12 connected in sequence. The inner mold corner pieces 11 and the inner mold side pieces 12, as well as adjacent inner mold side pieces 12, can be detachably connected.

[0053] Adjusting the number of inner mold side pieces 12 can adjust the size of the inner mold 1, and adjusting the number of end mold side pieces 52 can adjust the size of the end mold 5. Then, by adjusting the components, the distance between the first vertical mold 3 and the second vertical mold 4 can be adjusted to adapt to the size of the end mold 5. Ultimately, it is possible to adjust the box culvert mold to multiple sizes, thereby reducing the procurement cost and construction cost of the box culvert mold.

[0054] Preferably, adjacent end mold edge pieces 52, end mold corner pieces 51 and end mold edge pieces 52, adjacent inner mold edge pieces 12, and inner mold corner pieces 11 and inner mold edge pieces 12 are all detachably connected by a first connecting assembly.

[0055] Preferably, the first connecting assembly includes two locating pins 81 and two locating holes 82. The locating pins 81 and locating holes 82 are respectively provided on the two parts to be connected. After the locating pins 81 are inserted into the locating holes 82, the two parts to be connected are connected by a first bolt group. The alignment and positioning of the two parts to be connected are achieved by the cooperation of the locating pins 81 and the locating holes 82, and then the connection is fastened by the first bolt group, thereby achieving a reliable connection between the two parts to be connected.

[0056] Specifically, the first connecting component can also use a positioning block and a positioning groove to replace the two positioning pins and two positioning holes; the positioning block is inserted into the positioning groove, and the positioning is achieved by the cooperation of the positioning block and the positioning groove, so that the end faces of the two parts to be connected cannot move up and down or left and right after they are in contact.

[0057] Specifically, the end mold corner piece 51 and the end mold side piece 52 have operating grooves on the side away from the inner mold 1, for the operator to insert tools into them to install the first bolt group. The inner mold corner piece 11 and the inner mold side piece 12 also have operating grooves on the side away from the outer mold group, for the operator to insert tools into them to install the first bolt group.

[0058] Taking the inner mold corner piece 11 and the inner mold side piece 12 as an example: Two locating pins 81 are fixedly connected to the end face of the inner mold corner piece 11, and two locating holes 82 are opened on the end face of the inner mold side piece 12. The two locating pins 81 are aligned and inserted into the two locating holes 82, so that the end face of the inner mold corner piece 11 and the end face of the inner mold side piece 12 are in contact. After the bolts of the first bolt group are passed through the end faces of the inner mold corner piece 11 and the inner mold side piece 12, they are tightened with the nuts of the first bolt group.

[0059] Specifically, the end mold edge piece 52 is set to multiple sizes according to its length, and the inner mold edge piece 12 is also set to multiple sizes according to its length. The multiple sizes of the inner mold edge piece 12 correspond one-to-one with the multiple sizes of the end mold edge piece 52.

[0060] Specifically, in this embodiment, the end mold edge pieces 52 are divided into three sizes according to length, and the length ratio of the three sizes of end mold edge pieces 52 is 6:4:3; various sizes of end molds 5 can be flexibly and conveniently spliced ​​together using the three sizes of end mold edge pieces 52. The inner mold edge pieces 12 are also divided into three sizes according to length, and the three sizes of the inner mold edge pieces 12 correspond one-to-one with the three sizes of the end mold edge pieces 52, so that when adjusting, the inner mold edge pieces 12 and the end mold edge pieces 52 are added or subtracted by the same amount, which facilitates adjustment.

[0061] Preferably, the adjusting component includes: a mold connecting member 41 detachably connected to the second mold 4, a row of through holes 42 formed on the bottom mold 2, and a second bolt group. The row of through holes 42 is arranged along the direction from the second mold 4 toward the first mold 3. The mold connecting member 41 is detachably connected to the bottom mold 2 through the second bolt group and the through hole group 42. By adjusting the first through holes at different positions of the connecting through hole group 42, the position of the mold connecting member 41 can be adjusted, thereby adjusting the distance between the second mold 4 and the first mold 3.

[0062] Preferably, the bottom mold 2 includes: two parallel bottom mold support beams 21, a fixed base plate 22 fixedly mounted on the bottom mold support beams 21, and several movable plates 23; the bottom mold support beams 21 are arranged along the direction of the second vertical mold 4 toward the first vertical mold 3, the fixed base plate 22 and several movable plates 23 are sequentially spliced ​​in the horizontal plane, and the first vertical mold 3 is fixedly connected to the fixed base plate 22; the several movable plates 23 are located on the side of the fixed base plate 22 away from the first vertical mold 3 and can all be detachably connected to the bottom mold support beams 21;

[0063] A row of through holes 42 is formed on the bottom mold support beam 21. The vertical mold connector 41 is located between the two bottom mold support beams 21 and below the movable plate 23. The fixed base plate 22 and several movable plates 23 are spliced ​​together to form a plane to form the inner bottom of the casting cavity. By adding or removing movable plates 23, interference with the vertical mold connector 41 can be avoided in adjusting its position, and the second vertical mold 4 can be made to fit tightly against the movable plate 23.

[0064] Specifically, a bottom formwork reinforcing beam is provided between the two bottom formwork support beams 21. The bottom formwork reinforcing beam is parallel to the bottom formwork support beams 21 and connects the two bottom formwork support beams 21 through reinforcing ribs. Multiple bottom formwork splicing blocks 24 are sequentially connected between the end of the bottom formwork reinforcing beam and the vertical formwork connector 41. The top of the bottom formwork splicing block 24 supports and connects to the movable plate 23. Adjacent bottom formwork splicing blocks 24, bottom formwork splicing blocks 24 and bottom formwork reinforcing beams, bottom formwork splicing blocks 24 and vertical formwork connector 41, and bottom formwork splicing blocks 24 and movable plate 23 are all detachably connected by a second set of bolts. The bottom formwork reinforcing beam and bottom formwork splicing blocks 24 support the fixed base plate 22, movable plate 23, and vertical formwork connector 41.

[0065] Specifically, the movable plate 23 is fixed to the bottom formwork support beam 21 by the third bolt group.

[0066] Preferably, the lower end of the second mold 4 is fixedly provided with two support seats 43, and the lower end of the support seats 43 is fixedly provided with guide members 44 arranged in the direction from the second mold 4 toward the first mold 3; the mold connecting member 41 has two guide holes 45 respectively corresponding to the two guide members 44, and the two guide members 44 are inserted into the corresponding guide holes 45. The mold connecting member 41 is fixedly provided with two guide components, and the guide components guide the guide members 44; the mold connecting member 41 is connected to the second mold 4 through the first quick-release mechanism 6. The guide members 44 are inserted into the guide holes 45 and guided by the guide components until the second mold 4 is pushed into place, and then the mold connecting member 41 and the second mold 4 are fixedly connected together by the first quick-release mechanism 6.

[0067] Specifically, the guide assembly includes: a first guide plate 461, a second guide plate 462, a first roller 463, a second roller 464, a third roller 465, and a fourth roller, all arranged opposite to each other. The first guide plate 461 is welded and fixed to the side of the vertical mold connector 41 facing away from the first vertical mold 3, with the two first guide plates 461 located on both sides of the guide hole 45 in the horizontal direction. The second guide plate 462 is welded and fixed to the side of the vertical mold connector 41 facing the first vertical mold 3, with the two second guide plates 462 located on both sides of the guide hole 45 in the horizontal direction. The first roller 463 is installed between the two first guide plates 461 and supports the lower surface of the guide member 44. The second roller 464 is installed between the two second guide plates 462 and supports the upper surface of the guide member 44. An opening is provided on the first guide plate 461 for installing the third roller 465. The third rollers 465 on the two first guide plates 461 abut against the side of the guide member 44 and roll. An opening is provided on the second guide plate 462 for installing the fourth roller. The fourth rollers on the two second guide plates 462 abut against the side of the guide member 44 and roll.

[0068] Specifically, a fifth roller is installed between the two second guide plates 462. The fifth roller is located below the second roller 464 and is used to support the lower surface of the guide member 44 to ensure that the second vertical mold 4 will not tilt down.

[0069] Specifically, the outer wall of the guide member 44 cooperates with the guide assembly, and a limit plate is installed on one end of the guide member 44 facing the first vertical mold 3. The limit plate prevents the guide member 44 from being pulled out of the guide assembly.

[0070] Preferably, the first quick-release mechanism 6 includes: a first mounting base 61, a first connecting member 62, a double-ended screw 63, a second connecting member 64, and a second mounting base 65; the first mounting base 61 and the second mounting base 65 are respectively fixedly connected to the two parts to be connected; one end of the first connecting member 62 is rotatably connected to the first mounting base 61, and the other end has a first threaded hole; the second connecting member 64 has a second threaded hole, and the thread direction of the second threaded hole is opposite to that of the first threaded hole; the two ends of the double-ended screw 63 are respectively screwed into the first threaded hole and the second threaded hole; the second mounting base 65 includes a first U-shaped groove, and both sides of the second connecting member 64 are provided with limiting pins 641. The second mounting base 65 is also provided with two limiting surfaces 651. The second connecting member 64 can enter from the opening of the first U-shaped groove, and the two limiting surfaces 651 respectively hold the two limiting pins 641, restricting the movement of the second connecting member 64 toward the first connecting member 62. After the two limiting pins 641 are engaged with the two limiting surfaces 651, the double-ended screw 63 is rotated to tighten the first connecting piece 62 and the second connecting piece 64, thereby achieving a quick connection.

[0071] Specifically, because the box culvert mold is large in size, multiple first quick-release mechanisms 6 can be set at intervals to achieve a reliable connection during the connection process.

[0072] Preferably, the second quick-release mechanism 7 includes: a third mounting base 71, a C-shaped component 72, and a locking bolt 73; the third mounting base 71 is fixedly mounted on the end of the inner mold 1, one end of the C-shaped component 72 is rotatably connected to the third mounting base 71, and the locking bolt 73 is screwed into the third threaded hole at the other end of the C-shaped component 72; the third mounting base 71 is provided with a positioning surface 711, which is positioned opposite to the head of the locking bolt 73 passing through the C-shaped component 72; the positioning surface 711 abuts against the inner wall of the end mold 5, the C-shaped component 72 rotates and rests on the end mold 5, and the locking bolt 73 is tightened to press the end mold 5 against the positioning surface 711.

[0073] Preferably, the end mold 5 is detachably connected to the bottom mold 2 at one side via a first quick-release mechanism 6, and the inner mold 1 is detachably connected to the bottom mold 2 at one side via a third quick-release mechanism 9.

[0074] The third quick-release mechanism 9 includes: a fourth mounting base 91, a fifth mounting base 92, a screw 93, a locking nut 94, and a limit cap 95; the limit cap 95 is fixed to one end of the screw 93; the fourth mounting base 91 and the fifth mounting base 92 are respectively fixedly connected to the two parts to be connected; the fourth mounting base 91 includes a second U-shaped groove, the fifth mounting base 92 includes a third U-shaped groove, the screw 93 enters from the openings of the second U-shaped groove and the third U-shaped groove, the limit cap 95 abuts against the side of the third U-shaped groove away from the second U-shaped groove, and the locking nut 94 is screwed onto the screw 93.

[0075] The limiting cap 95 is a circular washer fitted onto the screw 93, and the circular washer and the screw 93 are reinforced by two reinforcing plates. The circular washer, screw 93 and the two reinforcing plates can be integrally machined or welded together.

[0076] The fourth mounting base 91 and the fifth mounting base 92 can extend outward from the end face of the inner mold 1, so that the fourth mounting base 91 and the fifth mounting base 92 can extend through the end mold 5, thereby the screw 93 can directly connect the inner mold 1 and the bottom mold 2 across the end mold 5.

[0077] Preferably, the casting mold cavity is further provided with a pre-embedded component, which includes four pre-embedded rods 101. The two ends of the pre-embedded rods 101 are detachably connected to two end molds 5 respectively. The middle of the pre-embedded rods 101 passes through the tensioning groove forming block 13, which is fixed on the inner mold corner piece 11. When the casting is completed and the product solidifies, the pre-embedded rods 101 are removed. A reserved hole is formed at the pre-embedded rods 101 for threading the steel strands. The tensioning groove forming block 13 is used to form the tensioning groove to meet the requirements of installing anchors and pads in the tensioning groove for tensioning the steel strands.

[0078] Specifically, the embedded rod 101 includes a central steel pipe and an outer flexible plastic pipe. Grease is applied between the steel pipe and the flexible plastic pipe. When disassembling the mold, the steel pipe is pulled out first, followed by the flexible plastic pipe, for easy removal. When installing the mold, the two ends of the embedded rod 101 are inserted into the pre-drilled holes in the molds 5 at both ends to complete the installation.

[0079] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit it. Although this utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some or all of the technical features therein. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of this utility model.

Claims

1. A bidirectional adjustable horizontal precast box culvert mold, comprising an outer mold assembly and an inner mold (1), wherein a casting cavity is formed between the outer mold assembly and the inner mold (1), characterized in that: The outer module assembly includes: a bottom mold (2), a first vertical mold (3), a second vertical mold (4), and two sets of end molds (5); the first vertical mold (3) and the second vertical mold (4) are disposed opposite to each other on the bottom mold (2), the first vertical mold (3) is fixedly connected to the bottom mold (2), and the second vertical mold (4) is connected to the bottom mold (2) through an adjusting component, the adjusting component being used to adjust the distance between the first vertical mold (3) and the second vertical mold (4); any set of end molds (5) is located on the same side of the first vertical mold (3) and the second vertical mold (4), and the end molds (5) respectively abut against the sides of the first vertical mold (3) and the second vertical mold (4); the two sets of end molds (5) are located on both sides of the first vertical mold (3) and on both sides of the second vertical mold (4), and the end molds (5) are detachably connected to the first vertical mold (3) and the second vertical mold (4) respectively through a first quick-release mechanism (6); The end mold (5) is a rectangular frame structure. The end mold (5) includes four end mold corner pieces (51). Two adjacent end mold corner pieces (51) are connected by several end mold side pieces (52) connected in sequence. The end mold corner pieces (51) and the end mold side pieces (52), as well as the adjacent end mold side pieces (52), can be detachably connected. The inner mold (1) is a tubular structure with openings at both ends. The inner mold (1) is located between the first vertical mold (3) and the second vertical mold (4) and between the two sets of end molds (5). The inner mold (1) is separate from the bottom mold (2). The two ends of the inner mold (1) abut against the two sets of end molds (5) respectively. The inner mold (1) is detachably connected to the end molds (5) through the second quick-release mechanism (7). The inner mold (1) includes four inner mold corner pieces (11). Two adjacent inner mold corner pieces (11) are connected by several inner mold side pieces (12) connected in sequence. The inner mold corner pieces (11) and the inner mold side pieces (12), as well as the adjacent inner mold side pieces (12), can be detachably connected.

2. The bidirectional adjustable horizontal precast box culvert mold according to claim 1, characterized in that, The adjacent end mold edge pieces (52), the end mold corner pieces (51) and the end mold edge pieces (52), the adjacent inner mold edge pieces (12), and the inner mold corner pieces (11) and the inner mold edge pieces (12) are all detachably connected by the first connecting assembly.

3. The bidirectional adjustable horizontal precast box culvert mold according to claim 2, characterized in that, The first connecting component includes two positioning pins (81) and two positioning holes (82). The positioning pins (81) and positioning holes (82) are respectively provided on the two parts to be connected. After the positioning pins (81) are inserted into the positioning holes (82), the two parts to be connected are connected by the first bolt group.

4. The bidirectional adjustable horizontal precast box culvert mold according to claim 1, characterized in that, The adjusting component includes: a mold connecting member (41) detachably connected to the second mold (4), a row of through holes (42) formed on the bottom mold (2), and a second bolt group. The row of through holes (42) is arranged along the direction of the second mold (4) toward the first mold (3). The mold connecting member (41) is detachably connected to the bottom mold (2) through the second bolt group and the through hole group (42).

5. The bidirectional adjustable horizontal precast box culvert mold according to claim 4, characterized in that, The bottom mold (2) includes: two parallel bottom mold support beams (21), a fixed base plate (22) fixedly mounted on the bottom mold support beams (21), and several movable plates (23); the bottom mold support beams (21) are arranged along the direction of the second vertical mold (4) toward the first vertical mold (3), the fixed base plate (22) and several movable plates (23) are sequentially spliced ​​in the horizontal plane, and the first vertical mold (3) is fixedly connected to the fixed base plate (22); the several movable plates (23) are located on the side of the fixed base plate (22) away from the first vertical mold (3) and can all be detachably connected to the bottom mold support beams (21); A row of through holes (42) is formed on the bottom mold support beam (21), and the vertical mold connector (41) is located between the two bottom mold support beams (21) and below the movable plate (23).

6. The bidirectional adjustable horizontal precast box culvert mold according to claim 5, characterized in that, The lower end of the second vertical mold (4) is fixed with two support seats (43), and the lower end of the support seats (43) is fixed with guide members (44) arranged in the direction of the second vertical mold (4) toward the first vertical mold (3); the vertical mold connecting member (41) is provided with two guide holes (45) corresponding to the two guide members (44), and the two guide members (44) are inserted into the corresponding guide holes (45); the vertical mold connecting member (41) is fixed with two guide components, and the guide components guide the guide members (44); the vertical mold connecting member (41) is connected to the second vertical mold (4) through the first quick release mechanism (6).

7. The bidirectional adjustable horizontal precast box culvert mold according to claim 1, characterized in that, The first quick-release mechanism (6) includes: a first mounting base (61), a first connecting member (62), a double-ended screw (63), a second connecting member (64), and a second mounting base (65); the first mounting base (61) and the second mounting base (65) are respectively fixedly connected to the two parts to be connected; one end of the first connecting member (62) is rotatably connected to the first mounting base (61), and the other end has a first threaded hole; the second connecting member (64) has a second threaded hole, and the thread direction of the second threaded hole is opposite to that of the first threaded hole; the double-ended screw... The two ends of the screw (63) are screwed into the first threaded hole and the second threaded hole respectively; the second mounting base (65) includes a first U-shaped groove, and the second connector (64) is provided with limit pins (641) on both sides. The second mounting base (65) is also provided with two limit surfaces (651). The second connector (64) can enter from the opening of the first U-shaped groove. The two limit surfaces (651) respectively hold the two limit pins (641). The two limit surfaces (651) restrict the second connector (64) from moving toward the first connector (62).

8. The bidirectional adjustable horizontal precast box culvert mold according to claim 1, characterized in that, The second quick-release mechanism (7) includes: a third mounting base (71), a C-shaped component (72), and a locking bolt (73); the third mounting base (71) is fixed to the end of the inner mold (1), one end of the C-shaped component (72) is rotatably connected to the third mounting base (71), and the locking bolt (73) is screwed into the third threaded hole at the other end of the C-shaped component (72); the third mounting base (71) is provided with a positioning surface (711), and the positioning surface (711) is opposite to the head of the locking bolt (73) passing through the C-shaped component (72); the positioning surface (711) abuts against the inner wall of the end mold (5), the C-shaped component (72) rotates and rests on the end mold (5), and the locking bolt (73) is screwed to press the end mold (5) against the positioning surface (711).

9. The bidirectional adjustable horizontal precast box culvert mold according to claim 1, characterized in that, The end mold (5) abuts against the bottom mold (2) on one side and is detachably connected to the bottom mold (2) through the first quick-release mechanism (6). The inner mold (1) facing the bottom mold (2) on one side is detachably connected to the bottom mold (2) through the third quick-release mechanism (9). The third quick-release mechanism (9) includes: a fourth mounting base (91), a fifth mounting base (92), a screw (93), a locking nut (94), and a limiting cap (95); the limiting cap (95) is fixedly mounted on one end of the screw (93); the fourth mounting base (91) and the fifth mounting base (92) are respectively fixedly connected to the two parts to be connected; the fourth mounting base (91) includes a second U-shaped groove, the fifth mounting base (92) includes a third U-shaped groove, the screw (93) enters from the openings of the second U-shaped groove and the third U-shaped groove, the limiting cap (95) abuts against the side of the third U-shaped groove away from the second U-shaped groove, and the locking nut (94) is screwed onto the screw (93).

10. The bidirectional adjustable horizontal precast box culvert mold according to claim 1, characterized in that, The casting mold cavity is also provided with a pre-embedded component, which includes four pre-embedded rods (101). The two ends of the pre-embedded rods (101) are detachably connected to the two end molds (5). The middle of the pre-embedded rods (101) passes through the tension groove forming block (13), which is fixed on the inner mold corner piece (11).

Images