CN110253723B

CN110253723B - Shield segment mold separable pouring cover plate and construction method thereof

Info

Publication number: CN110253723B
Application number: CN201910547641.1A
Authority: CN
Inventors: 王卓; 马建荣; 白洲宸
Original assignee: Shanghai Construction Building Materials Technology Group Co Ltd
Current assignee: Shanghai Construction Building Materials Technology Group Co Ltd
Priority date: 2019-06-24
Filing date: 2019-06-24
Publication date: 2020-10-30
Anticipated expiration: 2039-06-24
Also published as: CN110253723A; CN111958776A

Abstract

The invention discloses a separable pouring cover plate of a shield segment mould, which comprises an arc-shaped cover plate, two power mechanisms and fastening mechanisms, wherein a pouring opening is formed in the middle of the arc-shaped cover plate, the two power mechanisms are respectively arranged at two ends of the arc-shaped cover plate, the power mechanisms drive the arc-shaped cover plate to move up and down and horizontally, the fastening mechanisms are arranged in a plurality of groups, each fastening mechanism comprises a fixing sleeve, a cross rod, fastening hooks and an air bag, the fixing sleeves are welded on the upper surface of the arc-shaped cover plate, the cross rods penetrate through two ends of a cross rod of the fixing sleeves and are provided with the fastening hooks, the fastening hooks are connected with the cross. The shield segment mould can separate the pouring cover plate, and the subsequent plastering construction and appearance detection are not influenced because the pouring cover plate and the mould do not enter the next procedure, thereby being more beneficial to quality control.

Description

Shield segment mold separable pouring cover plate and construction method thereof

Technical Field

The invention belongs to the technical field of shield segment prefabrication, and particularly relates to a shield segment mold separable pouring cover plate and a construction method thereof.

Background

In recent years, with the rapid development of urban subways, as a main bearing structure of a subway tunnel, the requirement of shield lining segments is increasing, and the adoption of an automatic segment flow line production mode is a construction mode with high efficiency, civilization, safety and industrial construction, and is particularly reflected in the aspect of concrete pouring. In daily shield constructs section of jurisdiction assembly line prefabrication work progress, when concreting process, the concrete fortune is to pouring the building after, owing to from pouring to section of jurisdiction steel mould arc inner chamber from funnel top-down, for concrete splash, spill over when preventing to pour, it is very necessary to design pouring cover plate, and develops novel section of jurisdiction and pour the cover plate device and have obvious improvement to the efficiency of construction and the quality of concrete.

However, at present, similar traditional concrete pouring cover plates are adopted and are fixed or connected to a pouring steel mold, before the mold enters a pouring building, the pouring cover plates are manually closed through a crane or other hoisting equipment for pouring, and after pouring oscillation is completed, when a plastering process is started, the pouring cover plates need to be manually opened for preliminary plastering. Manual operation is needed when the cover plate is opened and closed, the workload is increased, the cover plate is fixed on the steel die, the whole set of steel die is high in cost, and the energy consumption is increased when the assembly line runs due to the increase of self weight; on the other hand, the steel mould leads to the construction space to diminish after opening, and the steel mould that adopts fixed apron influences going on of the process of plastering, and is difficult for going on the observation and the detection to shield section of jurisdiction outward appearance, influences the control of shield section of jurisdiction appearance quality. The development of the shield segment automatic production line is limited to a certain extent by the problems.

Disclosure of Invention

Aiming at the problems in the prior art, the invention provides the detachable pouring cover plate of the shield segment mould, which is automatically controlled by an electrical system, can avoid splashing when segment concrete is poured, simultaneously reduces the dead weight of the pouring mould, and improves the production efficiency and the pouring quality of products. In addition, the invention also provides a construction method of the shield segment mould for the separable pouring cover plate.

In order to achieve the purpose, the invention adopts the following technical scheme:

the invention provides a shield segment mould separable pouring cover plate, which comprises an arc-shaped cover plate, two power mechanisms and a fastening mechanism, wherein a pouring opening is formed in the middle of the arc-shaped cover plate, the two power mechanisms are respectively arranged at two ends of the arc-shaped cover plate, each power mechanism comprises a slideway and a hydraulic pump, the slideways are positioned above the arc-shaped cover plate and are parallel to the axial lead of the arc-shaped cover plate, the slideways are arranged on external sliding rails and are driven by a driving motor, the fixed ends of the hydraulic pumps are arranged on the lower end surface of the slideways, the power ends of the hydraulic pumps are connected with the end parts of the arc-shaped cover plate, the fastening mechanism is arranged into a plurality of groups, each fastening mechanism comprises a fixing sleeve, a cross rod, a fastening hook and an air bag, the cross rod penetrates through the fixed sleeve and is parallel to the axial lead of the arc-shaped cover plate, the length of the cross rod is smaller than the width of the arc-shaped cover plate, the fastening hooks are mounted at two ends of the cross rod and are connected with the cross rod shaft, and the air bag is arranged between the cross rod and the arc-shaped cover plate.

According to the preferable technical scheme, horizontal steel frames are installed at two ends of the arc-shaped cover plate, nut seats are welded on the horizontal steel frames, the power end of the hydraulic pump is connected with a leveling bolt, and the leveling bolt is in threaded connection with the nut seats.

As an optimal technical scheme, a guide sleeve is welded on the horizontal steel frame, a guide column is welded on the lower end face of the slide way, and one end of the guide column is located in an inner cavity of the guide sleeve.

As a preferable technical scheme, the power mechanism comprises 2 hydraulic pumps, and the guide column is installed between the 2 hydraulic pumps.

As a preferable technical scheme, a transverse reinforcing plate and a longitudinal reinforcing plate are welded on the upper surface of the circular arc-shaped cover plate.

According to the preferable technical scheme, the pouring opening is square, and striker plates extend upwards in an inclined mode along the periphery of the pouring opening.

As a preferable technical scheme, the air bag is made of rubber materials.

The second aspect of the invention provides a construction method for a shield segment mold separable pouring cover plate, which comprises the following steps:

step 1, after a steel mould of an automatic assembly line is moved to a concrete pouring chamber, a control room worker operates a control button to drive a motor to work, an arc-shaped cover plate horizontally moves to a position right above the steel mould, a power end of a hydraulic pump extends out to enable the arc-shaped cover plate to fall down to be tightly attached to the steel mould, and an air bag is expanded to drive fastening hooks at two ends of a cross rod to be tightly occluded with the steel mould;

and 2, vertically discharging concrete through a storage bin, flowing into an inner cavity of the steel die along a pouring opening, after discharging is completed, enabling the concrete to be poured and filled through vibration of an air vibration table, after vibration is completed, manually operating a control button, exhausting air in an air bag, loosening a fastening hook, retracting a power end of a hydraulic pump, pulling up an arc-shaped cover plate and horizontally moving the cover plate to a side original position, and enabling the steel die to move along with a production line to enter the next process.

And 3, the next steel mould enters a pouring chamber, and the step 1 and the step 2 are repeated.

As a preferred technical scheme, after each construction shift is finished, the circular arc-shaped cover plate is washed, is recycled and is periodically checked for surface conditions.

Compared with the prior art, the invention has the beneficial effects that:

(1) the shield segment mould can separate the pouring cover plate, and the subsequent plastering construction and appearance detection are not influenced because the pouring cover plate and the mould do not enter the next procedure together, so that the quality control is facilitated; the cover plate is more environment-friendly due to automatic construction, does not overflow or splash during pouring, is beneficial to quality control, and is green in production.

(2) The shield segment mold provided by the invention can separate the pouring cover plate, can be repeatedly used, only one cover plate is needed for one set of segment automatic production line, the equipment cost is greatly saved, and meanwhile, the labor cost is saved in automatic construction.

(3) The separable pouring cover plate of the shield segment mould can be constructed automatically by manual remote control, is powered by electrical equipment, does not need manual work in a pouring chamber, and is more suitable for the construction process of an automatic shield segment production line.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic structural view of a detachable pouring cover plate of the shield segment mold of the invention.

Fig. 2 is a schematic view of a partial structure of the detachable pouring cover plate of the shield segment mold of the invention.

Fig. 3 is a front view of a detachable casting cap plate of the shield segment mold of the present invention.

Wherein the reference numerals are specified as follows: the device comprises an arc-shaped cover plate 1, a pouring opening 2, a slide way 3, a horizontal steel frame 4, a transverse reinforcing plate 5, a longitudinal reinforcing plate 6, a cross rod 7, a fastening hook 8, an air bag 9, a fixing sleeve 10, a hydraulic pump 11, a leveling bolt 12, a nut seat 13, a guide sleeve 14, a guide column 15 and a striker plate 16.

Detailed Description

In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention.

As shown in fig. 1-3, the present embodiment provides a separable pouring cover plate for a shield segment mold, including an arc-shaped cover plate 1, a power mechanism, and a fastening mechanism, where the shape of the arc-shaped cover plate 1 is matched with the shape of an end opening of a steel mold, the arc-shaped cover plate 1 is a steel plate with a thickness of 5 mm, the area of the steel plate is slightly larger than the steel mold with the largest upper surface area, and the arc-shaped cover plate 1 needs to be periodically cleaned and coated with an anti-rust material. The upper surface of the circular arc cover plate 1 is welded with a transverse reinforcing plate 5 and a longitudinal reinforcing plate 6. The middle part of the circular arc-shaped cover plate 1 is provided with a pouring opening 2, the pouring opening 2 is square, a material baffle 16 extends upwards along the periphery of the pouring opening 2 in an inclined mode to form a conical structure, and concrete splashing is avoided in the blanking process.

The horizontal steel frames 4 are mounted at two ends of the arc-shaped cover plate 1 and used for mounting a power mechanism, the power mechanism comprises a slide way 3, a hydraulic pump 11, a nut seat 13 and a leveling bolt 12, the slide way 3 is located above the arc-shaped cover plate 1 and is parallel to the axial lead of the arc-shaped cover plate 1, the slide way 3 is mounted on an external slide way and is driven by a driving motor, the fixed end of the hydraulic pump 11 is mounted on the lower end face of the slide way 3, the nut seat 13 is welded on the horizontal steel frame 4, the power end of the hydraulic pump 11 is connected with the leveling bolt 12, the leveling bolt 12 is in threaded connection with the nut seat 13. The levelness and height of the circular arc cover plate 1 can be adjusted through the leveling bolts 12 and the nut seats 13. Every power unit includes 2

hydraulic pumps

11, and 2 hydraulic pumps 11 distribute in the both sides of slide 3, and the welding has uide bushing 14 on horizontal type steelframe 4, and the lower terminal surface welding of slide 3 has guide post 15, and the one end of guide post 15 is located the inner chamber of uide bushing 14. The guide posts 15 are installed between the 2 hydraulic pumps 11.

The fastening mechanism comprises a fixing sleeve 10, a cross rod 7, fastening hooks 8 and an air bag 9, the fixing sleeve 10 is welded on the upper surface of the arc-shaped cover plate 1, the cross rod 7 penetrates through the fixing sleeve 10 and is parallel to the axial lead of the arc-shaped cover plate 1, the length of the cross rod 7 is smaller than the width of the arc-shaped cover plate 1, the fastening hooks 8 are installed at two ends of the cross rod 7, the fastening hooks 8 are connected with the cross rod 7 through shafts, and the air bag 9 is arranged between the cross rod 7 and. Because the length of the cross rod 7 is smaller than the width of the circular arc-shaped cover plate 1, when the air bag 9 is not inflated, the cross rod 7 is in contact with the circular arc-shaped cover plate 1, the fastening hook 8 is partially overlapped on the circular arc-shaped cover plate 1, and therefore the fastening hook 8 is in a relaxed state. When the air bag 9 is inflated, the cross rod 7 is separated from the circular arc cover plate 1, and the fastening hook 8 is tightened under the action of gravity. The air bag 9 is made of rubber materials, is wear-resistant and oil-resistant, and mainly has the functions of jacking the upper cross rod 7 in the inflation process, enabling the fastening hook 8 to be tightly grabbed, and moving the cross rod 7 downwards after air leakage, and enabling the fastening hook 8 to be loosened. In this embodiment, the arc-shaped dry plate is provided with 4 sets of fastening mechanisms, and each set of fastening mechanisms includes 2 fixing sleeves 10.

The shield constructs the detachable apron of pouring of section of jurisdiction mould of this embodiment and installs in the building of pouring of the automatic assembly line of section of jurisdiction, and power adopts the electropneumatic mode, remote control. A driving motor is connected with the slide rail 3, the arc-shaped cover plate 1 is controlled to horizontally move along the upper slide rail, the upward and downward movement is realized through the expansion and contraction of the power end of the hydraulic pump 11, and the grasping and releasing of the fastening hook 8 are controlled by utilizing the swelling and releasing of the air bag 9.

The using method of the embodiment comprises the following steps:

the first step is as follows: after the steel mould got into to pour building suitable position, the control room started the button through remote control, and convex apron 1 moved to the steel mould top along upper portion slide rail horizontal migration, and the power end of hydraulic pump 11 stretches out, and convex apron 1 apron is laminated with the steel mould upper surface, then bloated after aerifing gasbag 9, and fastening hook 8 grasps the steel mould edge, and immediately, the concrete is through the mouth 2 blowing of pouring of apron.

The second step is that: the blowing finishes the back, applys the vibration for the mould through the mode of gas vibration, and concrete vibration finishes the back, and through the control button of control room, gasbag 9 is lost heart, and fastening hook 8 relaxs, and hydraulic pump 11 retracts, drives convex apron 1 and mould separation to through driving motor along slide rail horizontal migration to the original position, the mould is along with the assembly line removes next process.

The third step: and repeating the second step and the third step after the next mould enters a pouring building.

After each construction shift is finished, the circular arc-shaped cover plate 1 is washed, and the circular arc-shaped cover plate 1 is recycled and the surface condition is periodically checked.

Although the present invention has been described in detail with respect to the above embodiments, it will be understood by those skilled in the art that modifications or improvements based on the disclosure of the present invention may be made without departing from the spirit and scope of the invention, and these modifications and improvements are within the spirit and scope of the invention.

Claims

1. The utility model provides a shield constructs separable apron of pouring of section of jurisdiction mould, a serial communication port, including convex apron (1), power unit and fastening device, the mouth (2) of pouring has been seted up at the middle part of convex apron (1), power unit sets up to two sets ofly, set up respectively in the both ends of convex apron (1), power unit includes slide (3) and hydraulic pump (11), slide (3) are located the top of convex apron (1) and with the axial lead of convex apron (1) is parallel, slide (3) are installed on outside slide rail and are driven by driving motor, the stiff end of hydraulic pump (11) install in the lower terminal surface of slide (3), the power end of hydraulic pump (11) with the end connection of convex apron (1), fastening device sets up to a plurality of groups, fastening device is including fixed cover (10), Horizontal pole (7), fastening hook (8) and gasbag (9), fixed cover (10) weld in the upper surface of convex apron (1), horizontal pole (7) pass fixed cover (10) and with the axial lead of convex apron (1) is parallel, the length of horizontal pole (7) is less than the width of convex apron (1), install at the both ends of horizontal pole (7) fastening hook (8), fastening hook (8) with horizontal pole (7) hub connection, horizontal pole (7) with be equipped with between convex apron (1) gasbag (9).

2. The separable pouring cover plate of the shield segment mold according to claim 1, wherein horizontal steel frames (4) are installed at two ends of the circular arc-shaped cover plate (1), nut seats (13) are welded on the horizontal steel frames (4), the power end of the hydraulic pump (11) is connected with leveling bolts (12), and the leveling bolts (12) are in threaded connection with the nut seats (13).

3. The separable pouring cover plate of the shield segment mold according to claim 2, wherein a guide sleeve (14) is welded on the horizontal steel frame (4), a guide column (15) is welded on the lower end face of the slideway (3), and one end of the guide column (15) is located in an inner cavity of the guide sleeve (14).

4. The detachable casting cover plate of shield segment mold according to claim 3, wherein said actuating mechanism comprises 2 hydraulic pumps (11), and said guide post (15) is installed between 2 said hydraulic pumps (11).

5. The separable pouring cover plate of the shield segment mold according to claim 1, wherein a transverse reinforcing plate (5) and a longitudinal reinforcing plate (6) are welded on the upper surface of the circular arc-shaped cover plate (1).

6. The detachable pouring cover plate of the shield segment mold according to claim 1, wherein the pouring opening (2) is square, and a striker plate (16) extends obliquely upward along the periphery of the pouring opening (2).

7. The separable pouring deck of a shield segment mold according to claim 1, wherein the air bag (9) is made of rubber material.