CN220008249U - Prefabricated mould of tunnel segment - Google Patents

Abstract

The utility model discloses a tunnel duct piece prefabricating die, which belongs to the technical field of tunnel duct piece dies and comprises a bottom die assembly, wherein the bottom die assembly comprises a base and an arc plate positioned above the base, two sides of the arc plate are connected with the base through side plate assemblies, the side plate assemblies comprise side plates arranged on two sides of the arc plate, two ends of the arc plate are provided with end plate assemblies, the end plate assemblies comprise end plates movably arranged above the base, a cover plate matched with the side plates and the arc plate is arranged on the end plates, the arc plate, the side plates, the end plates and the cover plate form a closed cavity, the accurate forming of concrete duct pieces is realized through the matching mode of the bottom die assembly, the end plate assemblies, the side plate assemblies and the cover plate, the smooth pipe piece bolting in the tunnel reinforcement process is realized, the seam sealing among the pipe pieces can not generate a water leakage phenomenon, and the tunnel duct piece prefabricating die has the advantages of accurate forming, smooth connection, seam sealing, water leakage prevention, simplicity and practicability.

Description

Prefabricated mould of tunnel segment

Technical Field

The utility model relates to the technical field of tunnel segment molds, in particular to a tunnel segment prefabricating mold.

Background

Along with the acceleration of urban progress in China, more and more cities begin to build subways, tunnels cut by a shield tunneling machine are reinforced by concrete rings when the subways are built, and the currently used concrete rings are formed by splicing a plurality of concrete segments due to a series of technical condition constraints such as production and transportation, so that high requirements are put forward on the dimensional accuracy of the segments in order to ensure the tightness and the accuracy of the splicing.

The existing duct piece die is low in production precision, the produced duct piece needs subsequent processing treatment, the duct piece is difficult to rapidly put into use, and the working efficiency is reduced.

Therefore, it is necessary to provide a tunnel segment prefabricating mold, which aims to solve the above problems.

Disclosure of Invention

Aiming at the defects existing in the prior art, the embodiment of the utility model aims to provide a tunnel segment prefabricating die which solves the problems in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides a tunnel segment prefabricated mould, includes die block subassembly, die block subassembly includes the base and is located the arc board of base top, the both sides of arc board are connected with the base through the curb plate subassembly, the curb plate subassembly is including setting up in the curb plate of arc board both sides, the both ends of arc board are provided with the end plate subassembly, the end plate subassembly sets up in the end plate of base top including the activity, install on the end plate with curb plate and arc board matched with apron, arc board, curb plate, end plate and apron constitute closed die cavity.

As a further scheme of the utility model, the side plate assembly further comprises support plates symmetrically arranged on two sides of the base, the two sides of the base are symmetrically hinged with brackets, the brackets are connected with the side plates and the brackets and the end plates in a matched mode through a plurality of opening and closing bolts, and the brackets are connected with the side plates through a plurality of adjusting bolts.

As a further scheme of the utility model, the end plate assembly further comprises mounting frames symmetrically arranged at two ends of the base, one end of the mounting frame far away from the base is rotatably provided with a rotating rod, the rotating rod is connected with the end plate, and the rotating rod is provided with a torsion spring matched with the mounting frame and the end plate.

As a further scheme of the utility model, the arc plate is symmetrically provided with a plurality of hand hole tables, and bent rods are movably connected between the hand hole tables and the side plates.

As a further scheme of the utility model, the end plate is provided with the bent rod jacking mechanism, the bent rod jacking mechanism comprises mounting cylinders symmetrically arranged at two ends of the end plate, positioning rods matched and connected with the end plate are symmetrically arranged at the outer sides of the mounting cylinders, jacking rods are movably arranged in the mounting cylinders, one ends of the jacking rods penetrate through the mounting cylinders and are connected with pushing handles movably arranged at the outer sides of the mounting cylinders, the other ends of the jacking rods penetrate through the mounting cylinders and correspond to the bent rods, the mounting cylinders are provided with baffle rings connected with the jacking rods, and springs are connected between the baffle rings and the mounting cylinders.

As a further scheme of the utility model, the bottom of the arc plate is provided with a vibrator.

In summary, compared with the prior art, the embodiment of the utility model has the following beneficial effects:

according to the concrete pipe sheet forming device, the concrete pipe sheet can be accurately formed in a mode of matching the bottom die assembly, the end plate assembly, the side plate assembly and the cover plate, smooth pipe sheet bolt connection in the tunnel reinforcement process can be realized, the seam between pipe sheets is sealed, no water leakage phenomenon occurs, and the concrete pipe sheet forming device has the effects of accurate pipe sheet forming, smooth connection, seam sealing, water leakage prevention, simplicity, convenience and practicability.

In order to more clearly illustrate the structural features and efficacy of the present utility model, the present utility model will be described in detail below with reference to the accompanying drawings and examples.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the utility model.

Fig. 2 is a schematic structural view of a bending bar pushing mechanism in an embodiment of the utility model.

Reference numerals: 1-cover plate, 2-side plate assembly, 201-bracket, 202-side plate, 203-support plate, 3-end plate assembly, 301-mounting rack, 302-torsion spring, 303-end plate, 304-rotating rod, 4-bottom die assembly, 401-base, 402-arc plate, 5-bent rod, 6-hand hole bench, 7-opening and closing bolt, 8-adjusting bolt, 9-bent rod pushing mechanism, 901-mounting cylinder, 902-positioning rod, 903-pushing rod, 904-pushing handle, 905-baffle ring and 906-spring.

Detailed Description

The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

Specific implementations of the utility model are described in detail below in connection with specific embodiments.

In one embodiment of the present utility model, referring to fig. 1, the tunnel segment prefabricating mold includes a bottom mold assembly 4, the bottom mold assembly 4 includes a base 401 and an arc plate 402 located above the base 401, two sides of the arc plate 402 are connected with the base 401 through a side plate assembly 2, the side plate assembly 2 includes side plates 202 disposed on two sides of the arc plate 402, two ends of the arc plate 402 are provided with end plate assemblies 3, the end plate assemblies 3 include end plates 303 movably disposed above the base 401, a cover plate 1 matched with the side plates 202 and the arc plate 402 is mounted on the end plates 303, and the arc plate, the side plates 202, the end plates 303 and the cover plate 1 form a closed cavity.

In the embodiment, through the mode of matching the bottom die assembly 4, the end plate assembly 3, the side plate assembly 2 and the cover plate 1, accurate molding of concrete pipe sheets can be realized, smooth pipe sheet bolt connection and seam sealing among pipe sheets in the tunnel reinforcement process can be realized, no water leakage phenomenon can be generated, and the concrete pipe sheet molding machine has the effects of accurate pipe sheet molding, smooth connection, seam sealing, water leakage prevention, simplicity, convenience and practicability;

the side plate assembly 2 further comprises support plates 203 symmetrically arranged on two sides of the base 401, the two sides of the base 401 are symmetrically hinged with supports 201, the supports 201 are connected with the side plates 202 and the supports 201 and the end plates 303 in a matched mode through a plurality of opening and closing bolts 7, the supports 201 are connected with the side plates 202 through a plurality of adjusting bolts 8, the opening and closing bolts 7 can be screwed or unscrewed through the arranged opening and closing bolts 7, opening and closing of the side plates 202 or the end plates 303 can be achieved, fine adjustment can be carried out on the distance from the end plates 303 to the arc plates 402 or the distance from the side plates 202 to the arc plates 402 in a debugging stage through the arranged adjusting bolts 8, the forming precision of duct pieces is improved, and meanwhile production requirements of duct pieces with different sizes are met;

the end plate assembly 3 further comprises mounting frames 301 symmetrically arranged at two ends of the base 401, one end, far away from the base 401, of each mounting frame 301 is rotatably provided with a rotating rod 304, each rotating rod 304 is connected with the end plate 303, each rotating rod 304 is provided with a torsion spring 302 matched with the corresponding mounting frame 301 and the corresponding end plate 303, the corresponding torsion springs 302 can tightly attach the cover plate 1 to the corresponding side plate 202, and sealing strips are arranged at the joints of the side plate 202 and the arc plate 402 and the joints of the end plate 303 and the arc plate 402;

the bottom of the arc plate 402 is provided with a vibrator, and concrete can be tamped through the vibrator.

In one embodiment of the present utility model, referring to fig. 1, the arc plate 402 is symmetrically provided with a plurality of hand hole platforms 6, and the hand hole platforms 6 and the bending bars 5 movably connected between the side plates 202;

the end plate 303 is provided with a bent rod jacking mechanism 9, the bent rod jacking mechanism 9 comprises mounting cylinders 901 symmetrically arranged at two ends of the end plate 303, positioning rods 902 matched and connected with the end plate 303 are symmetrically arranged outside the mounting cylinders 901, a jacking rod 903 is movably arranged in the mounting cylinders 901, one end of the jacking rod 903 penetrates through the mounting cylinders 901 and is connected with a push handle 904 movably arranged outside the mounting cylinders 901, the other end of the jacking rod 903 penetrates through the mounting cylinders 901 and corresponds to the bent rod 5, the mounting cylinders 901 are provided with baffle rings 905 connected with the jacking rods 903, and springs 906 are connected between the baffle rings 905 and the mounting cylinders 901.

In this embodiment, the bent rod 5 is arranged in the reservation of the bolt channel in the segment forming process, the hand hole platform 6 is used for reserving a bolt reservation locking space on the segment, and the bent rod 5 can be tightly propped through the bent rod propping mechanism 9, so that the position of the bent rod 5 is prevented from shifting in the vibration process, the segment forming accuracy is improved, and the bent rod is concrete:

step 1: debugging is carried out after the installation of each part, and after the size of the closed cavity is debugged to meet the requirement, the adjusting bolt 8 is welded;

step 2: adjusting the opening and closing bolts 7 to drive the end plate 303 and the side plate 202 to close to the supporting plate 203, so that the end plate 303 and the side plate 202 are closed, inserting the bent rod 5 into the corresponding hand hole table 6, tightly pushing the bent rod 5 by using the bent rod pushing mechanism 9, smearing a release agent, placing the cover plate 1, opening a vibrator, and beginning to pour concrete into the cavity;

step 3: after the concrete pouring is completed, trowelling the upper opening surface, entering a steam curing room, accelerating concrete solidification, after complete solidification, reversely rotating the opening and closing bolt 7 to drive the end plate 303 and the side plate 202 to be far away from the supporting plate 203, sequentially opening the end plate 303 and the side plate 202, taking down the bent rod 5, taking out the concrete segment, and carrying out cyclic reciprocation for segment production.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.

Claims (6)

1. The utility model provides a tunnel segment prefabricated mould, its characterized in that, includes die block subassembly, die block subassembly includes the base and is located the arc board of base top, the both sides of arc board are connected with the base through the curb plate subassembly, the curb plate subassembly is including setting up in the curb plate of arc board both sides, the both ends of arc board are provided with the end plate subassembly, the end plate subassembly sets up in the end plate of base top including the activity, install on the end plate with curb plate and arc board matched with apron, arc board, curb plate, end plate and apron constitute closed die cavity.

2. The tunnel segment prefabricating die according to claim 1, wherein the side plate assembly further comprises supporting plates symmetrically arranged on two sides of the base, the two sides of the base are symmetrically hinged with supports, the supports are connected with the side plates and the supports and the end plates in a matched mode through a plurality of opening and closing bolts, and the supports are connected with the side plates through a plurality of adjusting bolts.

3. The tunnel segment prefabricating die according to claim 1, wherein the end plate assembly further comprises mounting frames symmetrically arranged at two ends of the base, one end of the mounting frames away from the base is rotatably provided with a rotating rod, the rotating rod is connected with the end plate, and torsion springs matched with the mounting frames and the end plate are arranged on the rotating rod.

4. The tunnel segment prefabricating die according to claim 1, wherein a plurality of hand hole tables are symmetrically arranged on the arc plate, and bending rods are movably connected between the hand hole tables and the side plates.

5. The tunnel segment prefabricating die set forth in claim 4, wherein the end plate is provided with a bent rod propping mechanism, the bent rod propping mechanism comprises mounting cylinders symmetrically arranged at two ends of the end plate, positioning rods matched and connected with the end plate are symmetrically arranged at the outer sides of the mounting cylinders, propping rods are movably arranged in the mounting cylinders, one ends of the propping rods penetrate through the mounting cylinders and are connected with pushing handles movably arranged at the outer sides of the mounting cylinders, the other ends of the propping rods penetrate through the mounting cylinders and correspond to the bent rods, the mounting cylinders are provided with baffle rings connected with the propping rods, and springs are connected between the baffle rings and the mounting cylinders.

6. The tunnel segment prefabricating die according to claim 1, wherein the bottom of the arc plate is provided with a vibrator.