CN220532859U

CN220532859U - Three-dimensional net mold for shield segment steel reinforcement cage

Info

Publication number: CN220532859U
Application number: CN202321545871.2U
Authority: CN
Inventors: 陈振东; 请求不公布姓名
Original assignee: TJK Machinery Tianjin Co Ltd
Current assignee: TJK Machinery Tianjin Co Ltd
Priority date: 2023-06-16
Filing date: 2023-06-16
Publication date: 2024-02-27
Anticipated expiration: 2033-06-16

Abstract

The utility model relates to the technical field of reinforcement cage processing, in particular to a shield segment reinforcement cage three-dimensional net mold, which comprises a supporting mechanism and an end face positioning mechanism, wherein a plurality of supporting mechanisms are arranged at intervals in an arc shape and used for supporting a single-piece net, and the end face positioning mechanism is arranged on one side of the supporting mechanism and used for limiting the position of the end part of the single-piece net. The shield segment steel reinforcement cage three-dimensional net mold can support and position a plurality of layers of single-piece nets, and a foundation is formed for stirrup welding in the next working procedure of steel reinforcement cage processing.

Description

Three-dimensional net mold for shield segment steel reinforcement cage

Technical Field

The utility model relates to the technical field of reinforcement cage processing, in particular to a shield segment reinforcement cage three-dimensional net mold.

Background

In the tunnel construction process, after the circular hole is dug out by the shield machine, a plurality of arc shield segments are needed to fix the circular hole, so that a firm and safe space is provided for subsequent engineering. The shield segment is formed by anchoring and combining a shield segment steel reinforcement cage with concrete.

The existing shield segment steel reinforcement framework consists of a plurality of arc-shaped single-piece nets and a plurality of stirrups. The single-piece nets are sequentially spaced and arranged in parallel, the stirrups are sequentially spaced and welded and fixed on the edges of the single-piece nets in parallel, and the shield segment steel bar framework which is arc-shaped is formed after the single-piece nets are fixed. In the process, the mold is required to fix the single-piece net at intervals so as to facilitate the subsequent formation of the shield reinforcement cage by welding stirrups on the single-piece net, the positioning of the steel bars forming the single-piece net by the mold in the prior art is inaccurate, the end holding positions of the multi-layer single-piece net are not flush, and the quality of the welded shield segment reinforcement cage is poor.

Disclosure of Invention

The utility model aims to provide a shield segment steel cage three-dimensional net mold which can stack and position a plurality of layers of single-piece nets at certain intervals and is used for making a foundation for welding in the next stirrup procedure.

In order to achieve the above purpose, the technical scheme of the utility model is as follows:

the shield segment steel reinforcement cage three-dimensional net mold comprises a supporting mechanism and an end face positioning mechanism, wherein a plurality of groups of supporting mechanisms are arranged at intervals in an arc shape, each supporting mechanism comprises a first mold frame, a positioning support rib plate and a first driving piece, a plurality of groups of positioning support rib plates (12) are arranged at intervals along the height direction of the first mold frame (11), each positioning support rib plate comprises a supporting surface for supporting a single-piece net, and each first driving piece is configured to drive the corresponding positioning support rib plate to retract and stretch out of the corresponding first mold frame; the end face positioning mechanism is arranged on one side of the supporting mechanism at the end part, the end face positioning mechanism comprises a second die frame, positioning blocks and a second driving piece, a plurality of groups of positioning blocks are arranged at intervals along the height direction of the second die frame, each positioning block comprises a positioning surface for limiting the end part of the single-piece net, and the second driving piece is configured to drive the positioning block to move close to or far away from the supporting mechanism.

Optionally, each group of the positioning rib supporting plates is provided with two positioning rib supporting plates, the positioning rib supporting plates are respectively located at the inner side and the outer side of the first mold frame, the first driving piece is located in the first mold frame, the position, corresponding to the positioning rib supporting plates, of the first mold frame is provided with an avoidance groove hole, and the output end of the first driving piece can extend out of the avoidance groove hole to be connected with the positioning rib supporting plates.

Optionally, the first end of location holds in palm the gusset is provided with the holding in palm the gusset the holding in the palm the face, the location holds in the palm the gusset second end with first mould frame is articulated through the articulated shaft, the middle part of location holds in the palm the gusset still is provided with the arc connecting hole, the output of first driving piece pass through penetrating the connecting axle of connecting hole with the location holds in the palm the gusset and be connected.

Optionally, a claw is further arranged at the first end of one of the positioning rib supporting plates in the same group, and the claw can be matched with the first die frame to clamp the inner arc rib or the outer arc rib of the single-piece net.

Optionally, each group of the positioning support rib plates is divided into an inner support rib plate for supporting the inner arc rib and an outer support rib plate for supporting the outer arc rib, and the clamping claws are arranged on the outer support rib plates.

Optionally, the first driving member is a bidirectional cylinder.

Optionally, the claws are divided into a first claw and a second claw, wherein the first claw limits the radial movement of the single-piece net, and the second claw can limit the radial movement and the upward movement of the single-piece net at the same time.

Optionally, the second claw is arranged on the positioning rib plate positioned at the bottommost layer.

Optionally, the device further comprises a mounting platform, the supporting mechanism and the end face positioning mechanism are both mounted on the mounting platform, and the end face positioning mechanism is provided with two groups which are symmetrically mounted at two ends of the mounting platform respectively.

Optionally, the positioning block is L-shaped.

The beneficial effects of the utility model are as follows: the shield segment steel reinforcement cage three-dimensional mould supports the multi-layer single-piece net by using the supporting mechanism, can stack the multi-layer single-piece net in sequence, and positions the end parts of the single-piece net by using the end surface positioning mechanism, so that the end parts of the multi-layer single-piece net keep the positions flush, and a foundation is formed for stirrup welding in the next procedure.

Drawings

Fig. 1 is a schematic perspective view of a three-dimensional mold of a shield segment steel cage assembled with a single mesh in an embodiment of the utility model;

fig. 2 is a schematic perspective view of a stereoscopic mold of a shield segment steel cage in an embodiment of the utility model;

FIG. 3 is a schematic representation of end rib compression;

fig. 4 is a top view of a shield segment steel cage stereoscopic mold in an embodiment of the utility model;

FIG. 5 is a schematic perspective view of a supporting mechanism according to an embodiment of the present utility model;

FIG. 6 is a front view of a support mechanism (positioning the tray web retracted) in an embodiment of the utility model;

FIG. 7 is a front view of a support mechanism (positioning the backing web extended) in an embodiment of the utility model;

FIG. 8 is an enlarged schematic view of the structure of FIG. 7A;

FIG. 9 is a left side view of a support mechanism in an embodiment of the utility model;

FIG. 10 is a top view of a support mechanism in an embodiment of the utility model;

FIG. 11 is a schematic perspective view of an end face positioning mechanism according to an embodiment of the present utility model;

FIG. 12 is a front view of an end face positioning mechanism in an embodiment of the utility model;

FIG. 13 is a left side view of an end face positioning mechanism in an embodiment of the utility model;

FIG. 14 is a top view of an end face positioning mechanism in an embodiment of the utility model;

fig. 15 is a schematic view of the structure of a monolithic net.

In the figure, 10, a supporting mechanism; 11. a first mold frame; 111. a first cross plate; 112. a first base plate; 113. a vertical groove plate; 12. positioning a rib supporting plate; 12a, outer support rib plates; 12b, inner support rib plates; 121. a first claw; 122. a second claw; 13. a first driving member;

20. an end face positioning mechanism; 21. a second mold frame; 211. a second cross plate; 212. a second base plate; 213. a support plate; 22. a positioning block; 23. a second driving member;

30. a mounting platform;

40. a monolithic net; 41. an outer arc rib; 42. an inner arc rib; 43. transverse ribs; 44. and (5) end gluten.

Detailed Description

The utility model is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting thereof. It should be further noted that, for convenience of description, only some, but not all of the structures related to the present utility model are shown in the drawings.

In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "left", "right", and the like are orientation or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of operation, and are not intended to indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used merely for distinguishing between descriptions and not for distinguishing between them.

To shield constructs structural feature of section of jurisdiction steel reinforcement cage, can be with its split into curved monolithic net and stirrup, monolithic net interval and parallel arrangement each other in proper order, and many stirrups are along the extending direction of monolithic net interval each other in proper order and parallel welded fastening in a plurality of monolithic net outside edges, refer to the figure 15 and show, further according to the structure of monolithic net, can the monolithic net split into outer arc muscle again, interior arc muscle, end gluten and horizontal muscle, wherein interior arc muscle and outer arc muscle are connected by horizontal muscle, and the end gluten can be bent by the both ends of interior arc muscle and form. Based on the structural characteristics of the shield segment steel reinforcement cage, the utility model provides a shield segment steel reinforcement cage three-dimensional net mold for positioning the shield segment steel reinforcement cage, which comprises a supporting mechanism and an end face positioning mechanism, wherein the supporting mechanism can support an inner arc rib and an outer arc rib, and the end face positioning mechanism can compress and position the end face rib.

Fig. 1-14 show a three-dimensional net mold for shield segment steel cages in one embodiment of the present utility model, because the single-piece net 40 is arc-shaped, the mold is integrally provided with an arc shape, and comprises an arc-shaped mounting platform 30, the trend of the mounting platform 30 is the same as that of the single-piece net 40, and the supporting mechanism 10 and the end surface positioning mechanism 20 are both mounted on the mounting platform 30, so as to facilitate the integral carrying or the position adjustment. The support mechanism 10 is arranged on the mounting platform 30 at intervals, and the end face positioning mechanism 20 is arranged at the end part of the mounting platform 30; the supporting mechanism 10 comprises a first die frame 11, a positioning support rib plate 12 and a first driving piece 13, wherein a plurality of groups of positioning support rib plates 12 are arranged at intervals along the height direction of the first die frame 11, the positioning support rib plate 12 comprises a supporting surface for supporting a single-sheet net 40, the first driving piece 13 is arranged in the first die frame 11, under the action of the first driving piece 13, the positioning support rib plate 12 can do the action of retracting and extending out of the first die frame 11 so as to place the single-sheet net 40 on the positioning support rib plate 12 from bottom to top, when the positioning support rib plate 12 of each layer extends out, one single-sheet net 40 can be supported, the layer spacing between adjacent single-sheet nets 40 is determined by the structure of a shield segment steel reinforcement cage, and the single-sheet nets can be identical or different without specific limitation; the end face positioning mechanism 20 comprises a second die frame 21, a positioning block 22 and a second driving piece 23, the positioning block 22 is arranged on one side of the second die frame 21 facing the supporting mechanism 10 along the height direction of the second die frame 21 in one-to-one correspondence with the positioning support rib plates 12, the positioning block 22 comprises a positioning surface for limiting the end part of the single-sheet net 40, the second driving piece 23 is arranged in the second die frame 21, and under the action of the second driving piece 23, the positioning block 22 can move close to or far away from the supporting mechanism 10 so as to position the end face ribs of the single-sheet net 40, thereby guaranteeing the end face alignment of the single-sheet net 40.

When the shield segment steel reinforcement cage is processed, the multi-layer single-piece net 40 is sequentially sleeved on the first die frame 11 from the upper side of the first die frame 11 and supported by the positioning support rib plates 12, and meanwhile, the positioning block 22 is used for positioning end face ribs of the single-piece net 40, so that the single-piece nets 40 are aligned, and a foundation is formed for stirrup welding in the next process.

Except for the need of positioning the end part of the single-piece net 40 during the shield segment steel reinforcement cage processing, the positions of the inner arc ribs 42 and the outer arc ribs 41 of the multi-layer single-piece net 40 are kept consistent, and the width of the die frame can be specifically set to be consistent with the distance between the inner arc ribs 42 and the outer arc ribs 41, but the operation difficulty degree of the single-piece net 40 when being sleeved on the first die frame 11 can be affected. In this embodiment, the width of the die frame is set to be smaller than the distance between the inner arc rib 42 and the outer arc rib 41, so that the monolithic net 40 can be quickly sleeved on the first die frame 11, and meanwhile, the clamping jaws are arranged on one of the positioning support rib plates 12 in the same group, and when the monolithic net 40 is supported by the positioning support rib plates 12, the inner arc rib 42 or the outer arc rib 41 of the monolithic net 40 can be clamped, so that the inner arc rib 42 or the outer arc rib 41 is abutted against the first die frame 11, and under the cooperation of the first die frame 11, the positions of the inner arc rib 42 and the outer arc rib 41 of the multilayer monolithic net 40 are kept consistent. At this time, the shield segment steel reinforcement cage processing three-dimensional die in the embodiment can be suitable for processing shield segment steel reinforcement cages of various specifications.

Referring to fig. 5 to 10, the first mold frame 11 includes a first bottom plate 112, a vertical slot plate 113, and a first transverse plate 111, where the first bottom plate 112 is used as a connecting member between the first mold frame 11 and the mounting platform 30, so as to increase the contact area between the first mold frame 11 and the mounting platform 30, the connection is stable, the vertical slot plate 113 is vertically mounted on the first bottom plate 112, the first transverse plate 111 is perpendicular to the vertical slot plate 113, and multiple groups of slot hole rib plates are arranged at intervals along the height direction of the vertical slot plate 113, in this embodiment, each group of positioning rib plates 12 is provided with two slot hole rib plates, which are respectively located at the inner side and the outer side of the vertical slot plate 113 (the side close to the inner arc rib 42 is the inner side, and the side close to the outer arc rib 41 is the outer side) for supporting the inner arc rib 42 and the outer arc rib 41, so as to avoid deflection of the monolithic net 40, the first driving member 13 is mounted on the first transverse plate 111, the output end of which is connected with the positioning rib plates 12, and the positions of the inner side and the outer side of the vertical slot plate 113 corresponding to the positioning rib plates 12 are provided with slot hole rib plates for extending and retracting.

As shown in fig. 8, the first end of the positioning rib supporting plate 12 is provided with a supporting surface and a claw, the second end is hinged with the vertical groove plate 113 through a hinge shaft, the middle part of the positioning rib supporting plate 12 is also provided with an arc-shaped connecting hole, the output end of the first driving piece 13 is connected with the positioning rib supporting plate 12 through a connecting shaft penetrating the connecting hole, and when the first driving piece 13 stretches, the positioning rib supporting plate 12 rotates by taking the hinge shaft as a shaft, so that stretching and retracting are realized.

In this embodiment, each set of positioning rib supporting plates 12 is divided into an inner rib supporting plate 12b for supporting the inner arc rib 42 and an outer rib supporting plate 12a for supporting the outer arc rib 41, and considering that the processing device is generally arranged at one side close to the outer arc rib 41, the claw is arranged on the outer rib supporting plate 12a, when the reinforcement cage is processed, the position where the outer arc rib 41 is located is used as a positioning standard. It should be noted that the shrinkage of the positioning rib supporting plate 12 includes two states, one is to completely retract into the vertical groove plate 113 to achieve avoidance (the positioning rib supporting plate 12 connected with the first driving member 13 on the bottommost transverse plate does not need to avoid, and thus does not need to retract into the vertical groove plate 113), and the other is to perform a certain shrinkage after the single-sheet net 40 is placed thereon to fit the vertical groove plate 113 to clamp the outer arc rib 41. Illustratively, the first driving member employs a bi-directional cylinder capable of simultaneously driving the extension or retraction of the inner and outer support webs 12b, 12 a.

During the processing of the reinforcement cage, there may be a case that the whole moves upward, based on which, with continued reference to fig. 8, the jaws are divided into a first jaw 121 and a second jaw 122, wherein the first jaw 121 can limit the movement of the monolithic net 40 in the radial direction, and the second jaw 122 can limit the movement of the monolithic net 40 in the radial direction and upward at the same time. Specifically, when the second claw 122 abuts against the outer rib 41, the plane in which the abutting edge and the axis of the outer rib 41 are located is inclined upward with respect to the horizontal plane, and the force applied by the second claw 122 to the outer rib 41 can be decomposed into a force in the horizontal direction that brings the outer rib 41 closer to the first die frame 11 and a downward force. In order to facilitate the removal of the reinforcement cage from the mold after the reinforcement cage is finished, only one second claw 122 may be provided, for example, on the outer support rib plate 12a of the bottommost layer, and the other outer support rib plates 12a are provided with the first claw 121, so that the support rib plates 12 are unfolded when the reinforcement cage after the reinforcement cage is finished needs to be removed.

Referring to fig. 1 to 3 and 11 to 14, the end surface positioning mechanism 20 is provided with two sets symmetrically installed at both ends of the installation platform 30, respectively. The second mold frame 21 includes a second bottom plate 212, a second transverse plate 211 and a supporting plate 213, wherein the second bottom plate 212 is fixed on the mounting platform 30, the supporting plate 213 is vertically disposed on the second bottom plate 212, the second transverse plate 211 is perpendicular to the supporting plate 213 and is disposed along a height direction of the supporting plate 213 at intervals, the positioning block 22 is disposed on one side of the second mold frame 21 near the first mold frame 11, the second driving member 23 is disposed on the second transverse plate 211, and an output end of the second driving member passes through a through hole formed on one side of the supporting plate 213 facing the second mold frame 21 and is connected with the positioning block 22. The positioning block 22 is L-shaped, and when the second driving member 23 drives the positioning block 22 to move close to the supporting mechanism 10, the end ribs of the monolithic net 40 can be positioned and supported, so that deformation of two ends of the monolithic net 40 is reduced, and processing precision is improved.

In this embodiment, the first driving member 13 and the second driving member 23 may each employ an air cylinder. When the single-sheet net 40 falls into the bottommost layer of the shield segment steel cage three-dimensional mould in the embodiment in sequence, the air cylinder of the first layer is in an extending state, the air cylinders of other layers are in a retracting state, when the single-sheet net 40 falls onto the inner supporting rib plates 12b and the outer supporting rib plates 12a of the bottommost layer, the inner supporting rib plates 12b are kept motionless, the outer supporting rib plates 12a are close to the vertical groove plates 113, the outer arc ribs 41 are pressed on the vertical groove plates 113, and meanwhile downward pressure is applied to the outer arc ribs; when the single-sheet net 40 falls to the second layer (from bottom to top), the cylinder in the original contracted state extends out, the inner supporting rib plate 12b and the outer supporting rib plate 12a are opened outwards to bear the single-sheet net 40, the inner supporting rib plate 12b is kept motionless, the outer supporting rib plate 12a is close to the vertical groove plate 113, the outer arc rib 41 is pressed on the vertical groove plate 113, more than two layers of steps are circulated, and the outer arc rib 41 is pressed and positioned while the end gluten is also pressed and positioned simultaneously under the action of the end face positioning mechanism 20, so that the single-sheet net 40 is precisely positioned.

The single-sheet net 40 can be matched with a mechanical arm or other feeding devices to be used when being placed on the positioning support rib plate 12, so that the automation degree is high, and the production efficiency is high.

It is to be understood that the above examples of the present utility model are provided for clarity of illustration only and are not limiting of the embodiments of the present utility model. Various obvious changes, rearrangements and substitutions can be made by those skilled in the art without departing from the scope of the utility model. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the utility model are desired to be protected by the following claims.

Claims

1. The utility model provides a shield constructs three-dimensional net mould of section of jurisdiction steel reinforcement cage which characterized in that includes:

the support mechanism (10) comprises a first die frame (11), positioning support rib plates (12) and first driving pieces (13), wherein a plurality of groups of the positioning support rib plates (12) are arranged at intervals along the height direction of the first die frame (11), the positioning support rib plates (12) comprise support surfaces for supporting a single-sheet net (40), and the first driving pieces (13) are configured to drive the positioning support rib plates (12) to retract and stretch out of the first die frame (11);

the end face positioning mechanism (20), end face positioning mechanism (20) set up in the one side that is located supporting mechanism (10) of tip, end face positioning mechanism (20) include second mould frame (21), locating piece (22) and second driving piece (23), multiunit locating piece (22) are followed the direction of height interval setting of second mould frame (21), locating piece (22) are including being used for right the locating surface that spacing was carried out to monolithic net (40) tip, second driving piece (23) are configured to drive locating piece (22) are being close to or keep away from the motion of supporting mechanism (10).

2. The shield segment steel reinforcement cage three-dimensional net mold according to claim 1, wherein two positioning support rib plates (12) are arranged in each group, the positioning support rib plates are respectively located at the inner side and the outer side of the first mold frame (11), the first driving piece (13) is located in the first mold frame (11), an avoidance slot hole is formed in the position, corresponding to the positioning support rib plates (12), of the first mold frame (11), and the output end of the first driving piece (13) can extend out of the avoidance slot hole to be connected with the positioning support rib plates (12).

3. The shield segment steel cage three-dimensional net mold according to claim 2, wherein the first end of the positioning support rib plate (12) is provided with the supporting surface, the second end of the positioning support rib plate (12) is hinged with the first mold frame (11) through a hinge shaft, and the middle part of the positioning support rib plate (12) is connected with the output end of the first driving piece (13) in a switching mode.

4. A shield segment steel cage three-dimensional net mold according to claim 3, characterized in that the first end of one of the same group of positioning support rib plates (12) is further provided with a claw, and the claw can be matched with the first mold frame (11) to clamp an inner arc rib (42) or an outer arc rib (41) of the single-piece net (40).

5. The shield segment steel cage three-dimensional net mold according to claim 4, wherein each group of the positioning support rib plates (12) is divided into an inner support rib plate (12 b) for supporting the inner arc rib (42) and an outer support rib plate (12 a) for supporting the outer arc rib (41), and the claw is arranged on the outer support rib plate (12 a).

6. The shield segment steel cage three-dimensional net mold according to claim 4, wherein the jaws are divided into a first jaw (121) and a second jaw (122), the first jaw (121) limits the radial movement of the single piece net (40), and the second jaw (122) can limit the radial movement and the upward movement of the single piece net (40) at the same time.

7. The shield segment steel cage three-dimensional net mold according to claim 6, wherein the second claw (122) is arranged on the positioning support rib plate (12) positioned at the bottommost layer.

8. A shield segment steel cage three-dimensional mesh mould according to claim 2, characterized in that the first driving member (13) is a bidirectional cylinder.

9. The shield segment steel reinforcement cage three-dimensional net mold according to any one of claims 1-8, further comprising a mounting platform (30), wherein the supporting mechanism (10) and the end face positioning mechanism (20) are both mounted on the mounting platform (30), and the end face positioning mechanism (20) is provided with two groups, which are respectively and symmetrically mounted at two ends of the mounting platform (30).

10. The shield segment steel cage three-dimensional net mold according to claim 1, wherein the positioning block (22) is provided in an L shape.