Prefabricating mold for duct piece

Abstract

The utility model discloses a duct piece prefabricating mold, which relates to the technical field of duct piece production, and comprises a bottom mold structure, a top mold structure and an opening and closing mechanism, wherein a prefabricating groove used for prefabricating a duct piece is formed in the bottom die structure, and the bottom die structure is provided with two support structures; the top die structure comprises two opening and closing die plates, the two ends of each opening and closing die plate are the free end and the hinged end respectively, and the two hinged ends are hinged to the two sides of the bottom die structure in the transverse direction respectively. Two opening and closing mechanisms are arranged on the two transverse sides of the prefabricated groove respectively, each opening and closing mechanism comprises a lifting rod and a lifting assembly, the two ends of each lifting rod are a traction end and a lifting end respectively, a hinge position is formed between each traction end and the corresponding lifting end, each traction end is hinged to the corresponding opening and closing formwork, and each lifting end is connected to the corresponding lifting assembly; the two hinge positions are hinged to the two support structures respectively. The opening of the prefabricated groove can be opened or closed conveniently, labor is saved, and labor intensity is relieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of segment production technology, especially relates to a prefabricated mould of segment. BACKGROUND

[0002] The segment is the main assembly component of shield construction, is the innermost layer barrier of tunnel, bears the role of resisting the earth layer pressure, underground water pressure and some special load. Among them, the segment is generally prefabricated by a special mould. The current mould includes a bottom mould plate formed with a prefabrication groove and a top mould plate for closing or opening the slot of the prefabrication groove. However, since the top mould plate and the bottom mould plate are usually steel mould plates, the weight is large, so it is inconvenient and laborious to operate the top mould plate to open or close the slot of the prefabrication groove, and the labor intensity of the operator is large. SUMMARY

[0003] The utility model discloses a prefabricated mould of segment, which aims to solve the technical problem of inconvenient and laborious operation of the top mould plate to open or close the slot of the prefabrication groove, and large labor intensity of the operator.

[0004] To achieve the above-mentioned purpose, the prefabricated mould of segment provided by the utility model comprises:

[0005] A bottom mould structure is arranged along the transverse direction, and the bottom mould structure is formed with a prefabrication groove for prefabricating the segment, and the slot of the prefabrication groove is upward, and two support structures are arranged on the two sides of the bottom mould structure along the transverse direction;

[0006] A top mould structure comprises two opening and closing mould plates, and the two ends of each opening and closing mould plate along the transverse direction are a free end and a hinged end respectively, and the two hinged ends are hinged to the two sides of the bottom mould structure along the transverse direction through two first hinged shafts extending along the longitudinal direction;

[0007] Two opening and closing mechanisms are arranged on the two sides of the prefabrication groove along the transverse direction and correspond to the two opening and closing mould plates respectively, and each opening and closing mechanism comprises a lifting rod and a lifting assembly, the lifting assembly is installed on the bottom mould structure, the two ends of the lifting rod are a traction end and a lifting end respectively, a hinged position is formed on the lifting rod between the traction end and the lifting end, each traction end is hinged to the corresponding opening and closing mould plate, each lifting end is arranged away from the prefabrication groove and connected to the lifting assembly, and the two hinged positions are hinged to the two support structures through a second hinged shaft extending along the longitudinal direction;

[0008] The lifting and lowering assembly is capable of lifting and lowering the lifting end, so as to drive the lifting rod to rotate around the corresponding second hinge shaft, and thus drive the opening and closing mold plate hinged to the pulling end to rotate around the corresponding first hinge shaft towards or away from the prefabricated slot, so as to open or close the slot.

[0009] In an embodiment, the bottom of the lifting and lowering assembly is connected to the bottom mold structure, and the top of the lifting and lowering assembly is connected to the lifting end. The lifting and lowering assembly is capable of vertically extending or shortening, so as to correspondingly lift and lower the lifting end.

[0010] In an embodiment, the lifting and lowering assembly comprises a base, a longitudinal rod and two push-pull rods. The base is installed on the bottom mold structure. The longitudinal rod extends longitudinally and is installed on the base. One end of each of the two push-pull rods is hinged to the two sides of the lifting end in the longitudinal direction, and the other end of each of the push-pull rods is a moving end. Both of the moving ends are hinged to the longitudinal rod and are capable of moving towards or away from each other in the longitudinal direction.

[0011] In an embodiment, the longitudinal rod is rotatably installed on the base in the direction of its extension. Two threaded segments with opposite screw directions are formed on the longitudinal rod in the longitudinal direction. Two sleeves threadedly matched with the threaded segments are respectively sleeved on the threaded segments. The two moving ends are respectively hinged to the sleeves.

[0012] In an embodiment, one end of the longitudinal rod is provided with a handle.

[0013] In an embodiment, one end of the longitudinal rod is provided with a motor. The motor is used to drive the longitudinal rod to rotate.

[0014] In an embodiment, the base comprises two rotating seats installed on the bottom mold structure in the longitudinal direction. The two ends of the longitudinal rod are rotatably installed on the two rotating seats in the longitudinal direction.

[0015] In an embodiment, the bottom mold structure comprises a bottom mold plate and a base plate. The bottom mold plate and the two support structures are installed on the top of the base plate. The bottom mold plate forms the prefabricated slot.

[0016] In an embodiment, the hinge end of each of the opening and closing mold plates is formed with a plurality of hinge arms arranged in the longitudinal direction. The plurality of hinge arms on the same opening and closing mold plate are hinged to the corresponding support structure through the first hinge shaft.

[0017] In an embodiment, the support structure comprises a plurality of hinge seats installed on the base plate in the longitudinal direction. The hinge end is hinged to the plurality of hinge seats in the same support structure through the first hinge shaft.

[0018] The present invention's technical solution hinges the hinged ends of two opening and closing templates to the left and right sides of a base mold structure via a first hinge axis extending in the front-to-back direction. The two opening and closing templates can be moved about their corresponding first hinge axis in a direction away from or toward the precast groove to open or close the notch of the precast groove, resulting in a simple and convenient operation. Each opening and closing template is connected to the traction end of a lifting rod, and the traction position formed between the traction end and the lifting end of the lifting rod is hinged to its corresponding support structure via a second hinge axis extending in the front-to-back direction. As can be understood, raising the lifting end via the lifting assembly can lower the traction end, and lowering the lifting end via the lifting assembly can raise the traction end, thereby driving the opening and closing template hinged to the traction end to rise or fall, thereby driving the opening and closing template to move away from or toward the precast cavity, thereby opening or closing the notch of the precast groove. This makes operation more convenient and labor-saving, effectively reducing the operator's labor intensity. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying any creative work.

[0020] Figure 1 A structural schematic diagram of an embodiment of a prefabricated mold for a pipe segment provided by the present invention;

[0021] Figure 2 This is a structural schematic diagram of an embodiment of a prefabricated mold for pipe segments provided by the present invention from another perspective.

[0022] Description of Figure Numbers:

[0023] 100. Prefabricated mold; 10. Bottom mold structure; 11. Prefabricated groove; 12. Notch; 13. Base plate; 14. Bottom template; 20. Top mold structure; 21. Opening and closing template; 211. Free end; 212. Articulated end; 213. Articulated arm; 22. First hinge axis; 30. Opening and closing mechanism; 31. Lifting and lowering rod; 311. Traction end; 312. Lifting and lowering end; 313. Articulated position; 32. Lifting and lowering assembly; 321. Base; 3211. Rotating seat; 322. Longitudinal rod; 3221. Threaded section; 323. Push-pull rod; 3231. Moving end; 324. Sleeve; 33. Second hinge axis; 34. Turning handle; 40. Support structure; 41. Articulated seat.

[0024] The realization of the purpose, functional features and advantages of the present invention will be further explained in conjunction with embodiments and with reference to the accompanying drawings. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative efforts belong to the scope of the present application.

[0026] It should be noted that if the embodiments of the present application involve directional indications (such as up, down, left, right, front, back, etc.), the directional indications are only used to explain the relative positional relationship, movement condition, etc. between components in a certain posture, and if the certain posture changes, the directional indications also change accordingly.

[0027] In addition, if the embodiments of the present application involve descriptions such as "first", "second", etc., the descriptions of "first", "second", etc. are only for description purposes, and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first" and "second" can explicitly or implicitly include at least one of the features. In addition, "and / or" or "and / or" appearing throughout the text means that the three parallel schemes are included, for example, "A and / or B" includes A scheme, or B scheme, or A and B simultaneously satisfy the scheme. In addition, the technical solutions of each embodiment can be combined with each other, but it must be based on the fact that a person skilled in the art can realize it, and when the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist, and is not within the protection scope required by the present application.

[0028] A segment is a main assembly component of a shield construction, is the innermost barrier of a tunnel, and bears the action of resisting earth pressure, underground water pressure and some special loads. The segment is generally prefabricated by a special mold. The current mold includes a bottom mold plate formed with a prefabrication groove and a top mold plate for closing or opening the slot of the prefabrication groove. However, since the top mold plate and the bottom mold plate are generally steel mold plates, the weight is large, so it is inconvenient and laborious to operate the top mold plate to open or close the slot of the prefabrication groove, and the labor intensity of the operator is large.

[0029] The utility model provides a prefabrication mold 100 of segment.

[0030] Please refer to Figure 1 and Figure 2In an embodiment of the utility model, the prefabricated mould 100 of the segment includes bottom die structure 10, top die structure 20 and opening and closing mechanism 30, wherein bottom die structure 10 is arranged along the lateral extension, bottom die structure 10 is formed with prefabricated groove 11 for prefabricating segment, the notch 12 of prefabricated groove 11 is upward, and bottom die structure 10 is provided with two support structures 40 along the lateral sides of two sides respectively, top die structure 20 includes two open-close mould plates 21, and the two ends of each open-close mould plate 21 are free end 211 and hinged end 212 respectively, two hinged ends 212 are hinged to the lateral sides of bottom die structure 10 along the longitudinal extension of two first hinged shafts 22 respectively, prefabricated groove 11 is provided with two opening and closing mechanisms 30 along the lateral sides of two sides respectively, opening and closing mechanism 30 includes lifting rod 31 and lifting assembly 32, lifting assembly 32 is installed to bottom die structure 10, and the two ends of lifting rod 31 are traction end 311 and lifting end 312 respectively, the position between traction end 311 and lifting end 312 on lifting rod 31 forms hinged position 313, each traction end 311 is hinged to its corresponding open-close mould plate 21, each lifting end 312 is away from prefabricated groove 11 and is connected to lifting assembly 32, and two hinged positions 313 are hinged to two support structures 40 along the longitudinal extension of second hinged shaft 33 respectively, lifting assembly 32 can drive lifting end 312 to lift to drive lifting rod 31 to rotate around its corresponding second hinged shaft 33, so that open-close mould plate 21 hinged to traction end 311 can rotate around its corresponding first hinged shaft 22 to the direction away from or close to prefabricated groove 11, to make open-close mould plate 21 open or close notch 12.

[0031] The lateral direction is Figure 1 The left and right directions in the above, and the longitudinal direction is Figure 1 The front and back directions in the above.

[0032] The utility model discloses a technical scheme through the hinging of the hinging end 212 of two open-close mould plates 21 to the two sides of the bottom die structure 10 along the left and right directions through the first hinging shaft 22 extending along the front and back directions, and the slot opening 12 of the prefabricated groove 11 can be opened or closed by the movement of two open-close mould plates 21 around the corresponding first hinging shaft 22 to the direction away from or close to the prefabricated groove 11, which is simple and convenient.

[0033] Need to explain, Figure 1 And Figure 2 Only the right open-close mould plate 21 and open-close mechanism 30 are shown in the figure.

[0034] In an embodiment of the utility model, the bottom of the lifting assembly 32 is connected to the bottom die structure 10, and the top of the lifting assembly 32 is connected to the lifting end 312, and the lifting assembly 32 can be vertically elongated or shortened to correspondingly drive the lifting end 312 to rise and fall.

[0035] Specifically, as shown in Figure 1 And Figure 2 By elongating or shortening the lifting assembly 32, the lifting end 312 can be driven to rise or fall, which is simple and convenient to operate.

[0036] In an embodiment of the utility model, the lifting assembly 32 comprises a base 321, a vertical rod 322 and two push-pull rods 323, the base 321 is installed on the bottom die structure 10, the vertical rod 322 extends along the longitudinal direction and is installed on the base 321, one end of each of the two push-pull rods 323 is hinged to the two sides of the lifting end 312 along the longitudinal direction, and the other end of each of the push-pull rods 323 is a moving end 3231, both of the moving ends 3231 are hinged to the vertical rod 322 and can move towards or away from each other along the longitudinal direction.

[0037] Specifically, as shown in Figure 1 And Figure 2As shown, the longitudinal rod 322 extends along the front-rear direction and is installed on the base 321, the moving ends 3231 of the two push-pull rods 323 are respectively hinged to the longitudinal rod 322 and can move along the front-rear direction on the longitudinal rod 322, and the other ends of the two push-pull rods 323 are hinged to the two sides of the lifting end 312 along the front-rear direction to support the lifting seat. When the moving ends 3231 of the two push-pull rods 323 move away from each other, the two push-pull rods 323 can drive the lifting seat to descend, so as to drive the lifting end 312 hinged to the lifting seat to descend; when the moving ends 3231 of the two push-pull rods 323 move towards each other, the two push-pull rods 323 can drive the lifting seat to ascend, so as to drive the lifting end 312 hinged to the lifting seat to ascend, which is ingenious in design and reliable in structure.

[0038] In an embodiment of the present application, the longitudinal rod 322 is rotatably installed on the base 321 along the extending direction thereof, two threaded segments 3221 in opposite screw directions are formed on the longitudinal rod 322 along the longitudinal direction, and two sleeves 324 threadedly matched with the threaded segments 3221 are respectively sleeved on the two threaded segments 3221, and the moving ends 3231 are respectively hinged to the two sleeves 324.

[0039] Specifically, the longitudinal rod 322 is formed with two threaded segments 3221 in opposite screw directions, the two threaded segments 3221 are arranged along the front-rear direction, and the two moving ends 3231 can be driven to move towards or away from each other through the threaded matching of the sleeves 324 and the threaded segments 3221 by rotating or reversely rotating the longitudinal rod 322, which is ingenious in design.

[0040] In an embodiment of the present application, one end of the longitudinal rod 322 is provided with a handle 34, and the handle 34 can be used to conveniently rotate the longitudinal rod 322 by an operator, which is labor-saving.

[0041] In an embodiment of the present application, one end of the longitudinal rod 322 is provided with a motor, and the motor is used to drive the longitudinal rod 322 to rotate, so that the longitudinal rod 322 is driven to rotate by the motor without the need for an operator to rotate, which is more labor-saving and greatly reduces the labor intensity of the operator.

[0042] In an embodiment of the present application, the base 321 comprises two rotating seats 3211 installed on the bottom die structure 10 along the longitudinal direction, and the longitudinal rod 322 is rotatably installed on the two rotating seats 3211 along the longitudinal direction.

[0043] Specifically, the two rotating seats 3211 are installed on the bottom die structure 10 along the front-rear direction, and the longitudinal rod 322 is rotatably installed on the two rotating seats 3211 along the front-rear direction, so that the longitudinal rod 322 can be stably installed through the two rotating seats 3211 and can be stably rotated, which is compact in structure and reliable in structure.

[0044] In an embodiment of the utility model, the bottom die structure 10 includes a bottom die plate 14 and a base plate 13, the bottom die plate 14 and the two support structures 40 are both installed on the top of the base plate 13, and the bottom die plate 14 is formed with a prefabricated groove 11.

[0045] Specifically, the base plate 13 can support the bottom die plate 14 and the two support structures 40 for stable installation of the bottom die plate 14 and the two support structures 40, and the structure has good reliability.

[0046] In an embodiment of the utility model, the hinge end 212 of each opening and closing die plate 21 is formed with a plurality of hinge arms 213 arranged longitudinally at intervals, and the plurality of hinge arms 213 on the same opening and closing die plate 21 are hinged to the corresponding support structure 40 through the first hinge shaft 22.

[0047] Specifically, the plurality of hinge arms 213 arranged at intervals in the front-rear direction can more firmly hinge the opening and closing die plate 21 to the support structure 40, and the structure has better reliability.

[0048] In an embodiment of the utility model, the support structure 40 includes a hinge seat 41 installed on the base plate 13 at intervals in the longitudinal direction, and the hinge end 212 is hinged to the plurality of hinge seats 41 in the same support structure 40 through the first hinge shaft 22.

[0049] Specifically, the plurality of hinge seats 41 installed on the base plate 13 at intervals in the front-rear direction can more firmly support the opening and closing die plate 21, and the structure has better reliability.

[0050] The above is only an exemplary embodiment of the utility model, and does not limit the patent range of the utility model, and any equivalent structural transformation or direct / indirect application in other related technical fields under the technical concept of the utility model and according to the contents of the utility model specification and drawings is included in the patent protection range of the utility model.

Claims

1. A preform mould for a segment, characterized in that, The prefabricated mold comprises: a bottom mold structure arranged along a transverse direction, the bottom mold structure being formed with a prefabricated groove for prefabricating the pipe segment, an opening of the prefabricated groove being upward, two sides of the bottom mold structure along the transverse direction being respectively provided with two support structures; a top mold structure comprising two opening and closing mold plates, each of the opening and closing mold plates having a free end and a hinged end at two ends along the transverse direction, the two hinged ends being respectively hinged to the two sides of the bottom mold structure along the transverse direction through two first hinged shafts extending along a longitudinal direction; opening and closing mechanisms, two sides of the prefabricated groove along the transverse direction being respectively provided with two opening and closing mechanisms corresponding to the two opening and closing mold plates, the opening and closing mechanism comprising a lifting rod and a lifting assembly, the lifting assembly being installed on the bottom mold structure, two ends of the lifting rod being respectively a traction end and a lifting end, a hinged position being formed on the lifting rod between the traction end and the lifting end, each of the traction ends being hinged to the corresponding opening and closing mold plate, each of the lifting ends being arranged away from the prefabricated groove and connected to the lifting assembly, the two hinged positions being respectively hinged to the two support structures through a second hinged shaft extending along the longitudinal direction; the lifting assembly being capable of driving the lifting end to lift, so as to drive the lifting rod to rotate around the corresponding second hinged shaft, thereby driving the opening and closing mold plate hinged to the traction end to rotate around the corresponding first hinged shaft in a direction away from or close to the prefabricated groove, so that the opening and closing mold plate opens or closes the opening.

2. A preform mould for segments of pipe as claimed in claim 1 wherein, a bottom of the lifting assembly being connected to the bottom mold structure, a top of the lifting assembly being connected to the lifting end, the lifting assembly being capable of extending or retracting along a vertical direction, so as to correspondingly drive the lifting end to lift.

3. A preform mould for segments of pipe as claimed in claim 2 wherein, the lifting assembly comprising a base, a longitudinal rod and two push-pull rods, the base being installed on the bottom mold structure, the longitudinal rod extending along the longitudinal direction and being installed on the base, one end of each of the two push-pull rods being hinged to two sides of the lifting end along the longitudinal direction, and the other end of each of the push-pull rods being a moving end, both of the moving ends being hinged to the longitudinal rod and being capable of moving towards or away from each other along the longitudinal direction.

4. A preform mould for segments of pipe as claimed in claim 3 wherein, the longitudinal rod being rotatably installed on the base along the extending direction of the longitudinal rod, two threaded segments with opposite screw directions being formed on the longitudinal rod along the longitudinal direction, two sleeves threadedly matched with the threaded segments being respectively sleeved on the threaded segments, and both of the moving ends being hinged to the sleeves.

5. A preform mould for segments of pipe as claimed in claim 4 wherein, one end of the longitudinal rod being provided with a rotating handle.

6. A preform mould for segments of pipe as claimed in claim 4 wherein, one end of the longitudinal rod being provided with a motor, the motor being used for driving the longitudinal rod to rotate.

7. A preform mould for segments of pipe as claimed in claim 4 wherein, the base comprising two rotating seats installed on the bottom mold structure along the longitudinal direction, both ends of the longitudinal rod along the longitudinal direction being rotatably installed on the two rotating seats.

8. A preform mould for segments of pipe as claimed in any one of claims 1 to 7 wherein, the bottom mold structure comprising a bottom mold plate and a base plate, the bottom mold plate and the two support structures being installed on a top of the base plate, the bottom mold plate being formed with the prefabricated groove.

9. A preform mould for segments of pipe as claimed in claim 8 wherein, the hinged end of each of the opening and closing mold plates being formed with a plurality of hinged arms arranged along the longitudinal direction, the hinged arms on the same opening and closing mold plate being hinged to the corresponding support structure through the first hinged shaft.

10. A preform mould for segments of pipe as claimed in claim 8 wherein, The support structure comprises a plurality of hinge seats installed on the base plate in longitudinal intervals, and the hinge end is hinged to a plurality of the hinge seats in the same support structure through the first hinge shaft.

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