CN112895087A - Integral tunnel inverted arch block die - Google Patents
Integral tunnel inverted arch block die Download PDFInfo
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- CN112895087A CN112895087A CN202110080230.3A CN202110080230A CN112895087A CN 112895087 A CN112895087 A CN 112895087A CN 202110080230 A CN202110080230 A CN 202110080230A CN 112895087 A CN112895087 A CN 112895087A
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- die
- dies
- male
- inverted arch
- arch block
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B7/00—Moulds; Cores; Mandrels
- B28B7/16—Moulds for making shaped articles with cavities or holes open to the surface, e.g. with blind holes
- B28B7/18—Moulds for making shaped articles with cavities or holes open to the surface, e.g. with blind holes the holes passing completely through the article
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B7/00—Moulds; Cores; Mandrels
- B28B7/0002—Auxiliary parts or elements of the mould
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Mechanical Engineering (AREA)
- Moulds, Cores, Or Mandrels (AREA)
Abstract
The invention relates to an integral tunnel inverted arch block die which comprises a bottom die, two side dies and two end dies; a plurality of groups of sliding rail assemblies respectively penetrating through two sides of the bottom die are arranged in the bottom die; the bottoms of the two end molds are respectively hinged with the two ends of the bottom mold; the two side dies are respectively positioned on two sides of the bottom die, and the bottoms of the two side dies are arranged on the sliding rail assembly; a pair of first male dies and two pairs of second male dies are respectively arranged between the two side dies; the pair of first male dies are both of hollow structures, openings are formed in two ends of each first male die, and notches are formed in two sides of the butt joint part respectively; each first convex die is internally provided with a demoulding assembly and a telescopic die; the demolding assembly is arranged in the first convex die in a sliding mode; the telescopic die is arranged on the demoulding component and can penetrate through the notch to be attached to the surface of the second male die; according to the invention, the inverted arch block can be formed by pouring once by arranging the first male die and the two second male dies and arranging the telescopic die in the first male die, so that the production efficiency is greatly improved.
Description
Technical Field
The invention relates to the technical field of tunnels, in particular to an integral tunnel inverted arch block die.
Background
The Tunnel Boring Machine (TBM) is a systematic, intelligent and factory high-efficiency tunnel boring construction machine, can form a hole at one time, and can complete tunnel construction operations in the whole processes of boring, stone slag transportation, ventilation and dust removal, guide control, support lining and advanced treatment, wind, electricity and material supply and the like, realize automatic monitoring and be suitable for tunnel construction of an ultra-long distance underground cavern.
When a tunnel boring machine is adopted for tunnel excavation, a reinforced concrete inverted arch block is lined at the bottom of a tunnel, and the reinforced concrete inverted arch block is prefabricated and produced in a mould pouring mode; as disclosed in prior art 201921362618.7, an inverted arch block lining structure of a TBM tunnel is provided, in which an inverted arch block is internally provided with a first cavity and two second cavities penetrating through front and rear end faces thereof, and a water passing opening is provided between each of the two second cavities and the first cavity; the multi-body cavity form not only reduces the weight of the inverted arch block and saves materials, but also fully increases the water passing section, thereby ensuring the drainage capacity of the tunnel; however, the multi-body cavity is complex in structure, so that the existing inverted arch block mold cannot be integrally molded by injection, the sectional pouring mode is adopted, time and labor are wasted, and the production efficiency is greatly reduced.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide an integral tunnel inverted arch block die.
In order to achieve the purpose, the invention adopts the technical scheme that: an integral tunnel inverted arch block die comprises a bottom die, two side dies and two end dies; the upper end surface of the bottom die is in a concave arc shape, and a plurality of groups of sliding rail assemblies respectively penetrating through two sides of the bottom die are arranged in the bottom die; the bottoms of the two end molds are respectively hinged with the two ends of the bottom mold through hinge assemblies; the two side dies are respectively positioned on two sides of the bottom die, and the bottoms of the two side dies are arranged on the sliding rail assembly; a pair of first male dies and two pairs of second male dies are respectively arranged between the two side dies; the pair of first male dies and the two pairs of second male dies are symmetrically arranged along the central plane of the inverted arch block and are respectively arranged on the two side dies; the pair of first male dies is used for forming a first cavity on the inverted arch block; the two pairs of second male dies are respectively used for forming two second cavities on the inverted arch block; the pair of first male dies are both of hollow structures, openings are formed in two ends of each first male die, and notches are formed in two sides of the butt joint part respectively; each first convex die is internally provided with a demoulding assembly and a telescopic die; the demolding assembly is arranged in the first convex mold in a sliding mode along the width direction of the bottom mold; the two telescopic dies in the pair of first convex dies are opposite and are arranged in a staggered manner; the telescopic die is arranged on the demoulding assembly, can penetrate through the notch to be attached to the surface of the second male die and is used for forming a water passing port on the inverted arch block; two sides of the bottom die and two ends of the two end dies are provided with first connecting holes; and the two side dies are respectively provided with a second connecting hole corresponding to the first connecting holes on the bottom die and the end die.
Preferably, the demolding assembly comprises a sliding seat arranged at the bottom of the first male mold in a sliding manner, two groups of sliding rail units arranged on the sliding seat and arranged in parallel along the length direction of the bottom mold, and a connecting plate connected with the two groups of sliding rail units; the inner end of the telescopic die is arranged on the connecting plate, and at least half of the telescopic die extends out of the inner side of the sliding seat.
Preferably, each set of the slide rail units comprises a first bracket, a second bracket and a slide bar; the first support and the second support are both arranged on the sliding seat; an upper pulley is arranged on the first bracket; a lower pulley is arranged on the second bracket; the axis of the upper pulley is parallel to the axis of the lower pulley, the upper pulley is higher than the lower pulley, and the height difference is the diameter of the sliding rod; the sliding rod is positioned between the upper pulley and the lower pulley and is horizontally arranged along the length direction of the bottom die; and one end of the sliding rod, which is close to the lower pulley, is connected with the connecting plate.
Preferably, the telescopic die is of a hollow structure, and the inner end of the telescopic die is open.
Preferably, the second male die is of a hollow structure, and an opening is formed at the joint of the second male die and the side die.
Preferably, each side die is integrally injection-molded with the first male die and the two second male dies.
Preferably, the outer side surfaces of the side die and the end die are provided with reinforcing ribs which are arranged in a criss-cross mode.
Preferably, at least two hinge assemblies are arranged at each end of the bottom die; each hinge assembly comprises two support plates vertically arranged at the end part of the bottom die and a limit plate arranged at the upper ends of the two support plates; the limiting plate is provided with a limiting groove; the bottom of the end die is provided with a connecting rod; the lower end of the connecting rod penetrates through the limiting groove to be rotatably connected with the two supporting plates through the supporting shaft.
Due to the application of the technical scheme, compared with the prior art, the invention has the following advantages:
according to the invention, the pair of first male dies and the two pairs of second male dies are arranged, and the two opposite and staggered telescopic dies are arranged in the pair of first male dies, so that the first cavity, the two second cavities and the two water outlets on the inverted arch block can be respectively formed, the inverted arch block can be cast and molded at one time, and the production efficiency is greatly improved.
Drawings
The technical scheme of the invention is further explained by combining the accompanying drawings as follows:
FIG. 1 is a schematic structural diagram of an integral tunnel inverted arch block mold in a mold closing state;
FIG. 2 is a schematic structural view of the integral tunnel inverted arch block mold in an open mold state;
FIG. 3 is a schematic view of the structure of the stripper unit and the stretch mold of the present invention;
fig. 4 is a partial enlarged view of a portion a of fig. 2.
Wherein: 1. bottom die; 2. side mould; 3. end die; 4. a second male die; 5. a first male die; 51. a notch; 6. stretching the die; 7. a hinge assembly; 71. a support plate; 72. a limiting plate; 73. A limiting groove; 74. a connecting rod; 8. a slide rail assembly; 9. a demolding component; 91. a slide base; 92. a slide rail unit; 921. a slide bar; 922. a first bracket; 923. a second bracket; 924. a lower pulley; 925. an upper pulley; 93. a connecting plate; 10. a second connection hole; 11. reinforcing ribs; 12. a first connection hole.
Detailed Description
The invention is described in further detail below with reference to the figures and the embodiments.
Fig. 1-4 show an integral tunnel inverted arch block mold of the invention, which comprises a bottom mold 1, two side molds 2 and two end molds 3; the upper end surface of the bottom die 1 is in a concave arc shape, and four groups of sliding rail assemblies 8 respectively penetrating through two sides of the bottom die 1 are arranged in the bottom die; the bottoms of the two end dies 3 are respectively hinged with the two ends of the bottom die 1 through hinge assemblies 7; the two side dies 2 are respectively positioned on two sides of the bottom die 1, and the bottoms of the two side dies are arranged on the sliding rail assembly 8; a pair of first male dies 5 and two pairs of second male dies 4 are respectively arranged between the two side dies 2; the pair of first male dies 5 and the two pairs of second male dies 4 are symmetrically arranged along the central plane of the inverted arch block and are respectively arranged on the two side dies 2; a pair of said first male dies 5 is used for forming a first cavity on the inverted arch block; the two pairs of second male dies 4 are respectively used for forming two second cavities on the inverted arch blocks; the pair of first male dies 5 are both of a hollow structure, openings are formed in two ends of each first male die, and notches 51 are respectively formed in two sides of a butt joint; each first male die 5 is internally provided with a demoulding component 9 and a telescopic die 6; the demolding assembly 9 is arranged in the first male mold 5 in a sliding manner along the width direction of the bottom mold 1; the two stretching dies 6 in the first male die 5 are arranged oppositely and staggeredly; the telescopic die 6 is arranged on the demoulding component 9, can penetrate through the notch 51 to be attached to the surface of the second male die 4, and is used for forming a water passing port on the inverted arch block; the two sides of the bottom die 1 and the two ends of the two end dies 3 are both provided with first connecting holes 12; the two side dies 2 are respectively provided with a second connecting hole 10 corresponding to the first connecting hole 12 on the bottom die 1 and the end die 3; when die assembly is carried out: firstly, the two end molds 3 are rotated inwards; then, the two side dies 2 approach to two sides of the bottom die 1 along the guide rail, and when the two side dies 2 are attached to two sides of the bottom die 1, the pair of first male dies 5 and the two pairs of second male dies 4 on the two side dies 2 are also attached to each other; then, the two demoulding components 9 in the pair of first male dies 5 are moved towards the middle part simultaneously respectively until the two groups of demoulding components 9 are contacted, at the moment, the contact surfaces of the two groups of demoulding components 9 and the contact surfaces of the pair of first male dies 5 are positioned on the same plane, and because the telescopic dies 6 on the two groups of demoulding components 9 are oppositely and staggeredly arranged, not only can no interference occur, but also the demoulding components can be coaxially arranged and are respectively opposite to the notches 51 at the two sides of the butt joint part; then, two sets of demoulding components 9 are used for respectively driving the two telescopic dies 6 to penetrate through the notches 51 at the two sides of the butt joint part until the two telescopic dies are attached to the surfaces of the two pairs of second male dies 4, and finally a pouring cavity corresponding to the shape of the inverted arch is formed; finally, the two side molds 2 are fixedly connected with the bottom mold 1 and the two end molds 3 respectively through the bolt assemblies penetrating through the first connecting hole 12 and the second connecting hole 10, and mold closing action is finished; when the mold is opened: firstly, two groups of demoulding components 9 respectively drive two telescopic dies 6 to retract into a pair of first male dies 5, so that the telescopic dies 6 are demoulded; then, respectively moving the two demoulding assemblies 9 in the pair of first male dies 5 outwards at the same time until the telescopic dies 6 are completely positioned in the first male dies 5; then all bolt assemblies connecting the first connecting holes 12 and the second connecting holes 10 are removed; then separating the two side dies 2 from the two sides of the bottom die 1 along the guide rail to realize the demoulding of the first male die 5 and the two second male dies 4; finally, the two end molds 3 are rotated outwards to complete the mold opening action; the slide rail assembly 8 is a slide rail assembly described in the prior art, such as an inverted arch module mold of patent No. 201020300036.9, and therefore, the structure thereof will not be described in detail.
Further, the demolding assembly 9 comprises a sliding seat 91 arranged at the bottom of the first male mold 5 in a sliding manner, two sets of sliding rail units 92 arranged on the sliding seat 91 and arranged in parallel along the length direction of the bottom mold 1, and a connecting plate 93 connecting the two sets of sliding rail units 92; the inner end of the telescopic die 6 is arranged on the connecting plate 93, and a half of the telescopic die 6 extends out of the inner side of the sliding seat 91; when die assembly is carried out: since the two sets of demoulding assemblies 9 are respectively positioned at two sides of the butt joint of the pair of first male dies 5, and the notch 51 is arranged at the butt joint of the pair of first male dies 5, half of the telescopic dies 6 extend out of the inner side of the sliding seat 91, and the eccentric structure can enable the two telescopic dies 6 in the pair of first male dies 5 to be coaxially arranged.
Further, each set of the sliding rail units 92 includes a first bracket 922, a second bracket 923 and a sliding rod 921; the first bracket 922 and the second bracket 923 are both arranged on the sliding base 91; an upper pulley 925 is arranged on the first support 922; a lower pulley 924 is arranged on the second bracket 923; the axis of the upper pulley 925 is parallel to the axis of the lower pulley 924, the upper pulley 925 is higher than the lower pulley 924, and the height difference is the diameter of the sliding rod 921; the sliding rod 921 is located between the upper pulley 925 and the lower pulley 924, and is horizontally arranged along the length direction of the bottom die 1; one end of the sliding rod 921 close to the lower pulley 924 is connected with the connecting plate 93; when in work: because lower pulley 924 is lower than upper pulley 925, and the slide bar 921 is connected with connecting plate 93 near the one end of lower pulley 924, under the gravity of flexible mould 6, the other end of slide bar 921 can warp upwards, nevertheless because be provided with upper pulley 925, can play limiting displacement, finally make slide bar 921 horizontal slip place.
Furthermore, the telescopic die 6 is of a hollow structure, and the hollow structure is convenient for reducing the weight of the telescopic die 6, is convenient for driving the demoulding assembly 9 and reduces the production cost; the opening at the inner end of the telescopic die 6 is convenient for casting and forming.
Further, the second male die 4 is of a hollow structure, and the hollow structure is convenient for reducing the weight of the second male die 4 and reducing the production cost; and an opening is formed at the joint of the second male die 4 and the side die 2, so that casting and forming are facilitated.
Furthermore, every side form 2 all with first terrace die 5 and two integrative injection moulding of second terrace die 4 not only makes overall structure more firm, and be convenient for make.
Furthermore, every the lateral surface of side form 2 and end mould 3 all is provided with vertically and horizontally staggered's strengthening rib 11, can improve the intensity of side form 2 and end mould 3, effectively avoids side form 2 and end mould 3 to pour the back and takes place to warp, improves product quality.
Further, two hinge assemblies 7 are arranged at each end of the bottom die 1; each hinge assembly 7 comprises two support plates 71 vertically arranged at the end part of the bottom die 1 and a limit plate 72 arranged at the upper ends of the two support plates 71; the limiting plate 72 is provided with a limiting groove 73; the bottom of the end die 3 is provided with a connecting rod 74; the lower end of the connecting rod 74 passes through the limiting groove 73 and is rotatably connected with the two supporting plates 71 through supporting shafts; when the mold is opened: the connecting rod 74 can only rotate outwards for a fixed angle under the action of the limiting groove 73, and the safety is higher.
The above is only a specific application example of the present invention, and the protection scope of the present invention is not limited in any way. All the technical solutions formed by equivalent transformation or equivalent replacement fall within the protection scope of the present invention.
Claims (8)
1. The utility model provides an integral tunnel is faced upward and is encircleed piece mould which characterized in that: comprises a bottom die, two side dies and two end dies; the upper end surface of the bottom die is in a concave arc shape, and a plurality of groups of sliding rail assemblies respectively penetrating through two sides of the bottom die are arranged in the bottom die; the bottoms of the two end molds are respectively hinged with the two ends of the bottom mold through hinge assemblies; the two side dies are respectively positioned on two sides of the bottom die, and the bottoms of the two side dies are arranged on the sliding rail assembly; a pair of first male dies and two pairs of second male dies are respectively arranged between the two side dies; the pair of first male dies and the two pairs of second male dies are symmetrically arranged along the central plane of the inverted arch block and are respectively arranged on the two side dies; the pair of first male dies is used for forming a first cavity on the inverted arch block; the two pairs of second male dies are respectively used for forming two second cavities on the inverted arch block; the pair of first male dies are both of hollow structures, openings are formed in two ends of each first male die, and notches are formed in two sides of the butt joint part respectively; each first convex die is internally provided with a demoulding assembly and a telescopic die; the demolding assembly is arranged in the first convex mold in a sliding mode along the width direction of the bottom mold; the two telescopic dies in the pair of first convex dies are opposite and are arranged in a staggered manner; the telescopic die is arranged on the demoulding assembly, can penetrate through the notch to be attached to the surface of the second male die and is used for forming a water passing port on the inverted arch block; two sides of the bottom die and two ends of the two end dies are provided with first connecting holes; and the two side dies are respectively provided with a second connecting hole corresponding to the first connecting holes on the bottom die and the end die.
2. The integral tunnel inverted arch block mold of claim 1, wherein: the demolding assembly comprises a sliding seat arranged at the bottom of the first male mold in a sliding manner, two groups of sliding rail units arranged on the sliding seat and arranged in parallel along the length direction of the bottom mold, and a connecting plate for connecting the two groups of sliding rail units; the inner end of the telescopic die is arranged on the connecting plate, and at least half of the telescopic die extends out of the inner side of the sliding seat.
3. The integral tunnel inverted arch block mold of claim 2, wherein: each group of slide rail units comprises a first bracket, a second bracket and a slide bar; the first support and the second support are both arranged on the sliding seat; an upper pulley is arranged on the first bracket; a lower pulley is arranged on the second bracket; the axis of the upper pulley is parallel to the axis of the lower pulley, the upper pulley is higher than the lower pulley, and the height difference is the diameter of the sliding rod; the sliding rod is positioned between the upper pulley and the lower pulley and is horizontally arranged along the length direction of the bottom die; and one end of the sliding rod, which is close to the lower pulley, is connected with the connecting plate.
4. The integral tunnel inverted arch block mold of claim 3, wherein: the telescopic die is of a hollow structure, and the inner end of the telescopic die is provided with an opening.
5. The integral tunnel inverted arch block mold according to any one of claims 1 to 4, wherein: the second male die is of a hollow structure, and an opening is formed in the joint of the second male die and the side die.
6. The integral tunnel inverted arch block mold of claim 5, wherein: each side die is integrally formed with the first male die and the two second male dies in an injection molding mode.
7. The integral tunnel inverted arch block mold of claim 6, wherein: and reinforcing ribs which are arranged in a criss-cross mode are arranged on the outer side surfaces of the side die and the end die.
8. The integral tunnel inverted arch block mold of claim 7, wherein: at least two hinge assemblies are arranged at each end of the bottom die; each hinge assembly comprises two support plates vertically arranged at the end part of the bottom die and a limit plate arranged at the upper ends of the two support plates; the limiting plate is provided with a limiting groove; the bottom of the end die is provided with a connecting rod; the lower end of the connecting rod penetrates through the limiting groove to be rotatably connected with the two supporting plates through the supporting shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110080230.3A CN112895087A (en) | 2021-01-21 | 2021-01-21 | Integral tunnel inverted arch block die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110080230.3A CN112895087A (en) | 2021-01-21 | 2021-01-21 | Integral tunnel inverted arch block die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112895087A true CN112895087A (en) | 2021-06-04 |
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ID=76117721
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110080230.3A Pending CN112895087A (en) | 2021-01-21 | 2021-01-21 | Integral tunnel inverted arch block die |
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| Country | Link |
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| CN (1) | CN112895087A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114737757A (en) * | 2022-04-28 | 2022-07-12 | 浙江大学建筑设计研究院有限公司 | Combined die for producing assembled reinforced concrete open-hole beam and assembling method |
-
2021
- 2021-01-21 CN CN202110080230.3A patent/CN112895087A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114737757A (en) * | 2022-04-28 | 2022-07-12 | 浙江大学建筑设计研究院有限公司 | Combined die for producing assembled reinforced concrete open-hole beam and assembling method |
| CN114737757B (en) * | 2022-04-28 | 2024-03-26 | 浙江大学建筑设计研究院有限公司 | Combined die for producing assembled reinforced concrete hole-forming beam and assembling method |
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