CN211008669U

CN211008669U - Split-type spliced model structure for pouring inverted arch and filling of highway tunnel

Info

Publication number: CN211008669U
Application number: CN201921572262.XU
Authority: CN
Inventors: 杜初鸿; 周世龙; 李壮
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-09-20
Filing date: 2019-09-20
Publication date: 2020-07-14
Anticipated expiration: 2029-09-20

Abstract

The utility model discloses a highway tunnel invert and fill separately concatenation formula model structure for pouring, including the design seat, the front of design seat is provided with the sealing plate, fixed embedding has the thread bush on the design seat, the inner wall screw thread of thread bush is provided with the threaded rod, be provided with the locating plate on the threaded rod, be provided with the knob on the locating plate, this highway tunnel invert and fill separately concatenation formula model structure for pouring, a plurality of thread bushes of fixed embedding on the design seat, make when shield structure section of jurisdiction breaks away from with the design seat, can pass the thread bush through the member, the mild strike shield structure section of jurisdiction of cooperation nail hammer makes it vibrate with the design seat, conveniently drop, compare the mode of sled, reduce the damage of mould or shield structure section of jurisdiction, and simultaneously, the thread bush carries out the shutoff through the threaded rod, sealed effect when guaranteeing the pouring.

Description

Split-type spliced model structure for pouring inverted arch and filling of highway tunnel

Technical Field

The utility model relates to a tunnel invert technical field specifically is a highway tunnel invert and fill separately concatenation formula model structure for pouring.

Background

The inverted arch of the tunnel is a reverse arch structure arranged at the bottom of the tunnel for improving the stress condition of an upper supporting structure, is one of main components of the tunnel structure, and generally consists of a plurality of shield segments.

The shield constructs that piece of thigh when the pouring, need be stereotyped through the mould, because the shield constructs the section of jurisdiction and is bent shape structure, so the structure of concatenation formula need be designed into to the mould model to guarantee the ejection of compact of shield structure section of jurisdiction, current mould simple structure, when the ejection of compact, because the shield constructs the section of jurisdiction and the mould problem that glues appears easily, lead to when dismantling the mould, damage mould or shield structure section of jurisdiction easily.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a highway tunnel invert and fill separately to pour into a mould with concatenation formula model structure to solve and roll the piece at the shield and throw off inconvenient problem with the mould.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a highway tunnel invert and fill separately concatenation formula model structure for pouring, includes the sizing seat, the front of sizing seat is provided with seals the board, the fixed embedding has the thread bush on the sizing seat, the inner wall screw thread of thread bush is provided with the threaded rod, be provided with the locating plate on the threaded rod, be provided with the knob on the locating plate.

Preferably, the shaping seat is welded with an alignment seat, the sealing plate is welded with an alignment block, and the alignment block is slidably sleeved on the alignment seat.

Preferably, the alignment block is provided with a groove, a first spring is fixedly connected in the groove, a bayonet lock is fixedly connected at the other end of the first spring, a through hole is formed in the alignment seat, and the bayonet lock is slidably sleeved with the through hole.

Preferably, the lower extreme fixedly connected with curb plate of sizing seat, the square pole of fixedly connected with on the curb plate, square pole slip be provided with square cover, the lower extreme fixedly connected with base of square cover, fixedly connected with second spring between square cover and the curb plate.

Preferably, the inner wall of the square sleeve is provided with a ball groove, a ball is arranged in the ball groove in a rolling mode, and the ball is in contact with the square rod.

Compared with the prior art, the beneficial effects of the utility model are that: this highway tunnel invert and fill separately concatenation formula model structure for pouring, a plurality of thread bushings of fixed embedding on the design seat for when the shield constructs the section of jurisdiction and breaks away from with the design seat, can pass the thread bushing through the member, the shield that strikes gently of cooperation nail hammer constructs the section of jurisdiction, make it vibrate with the design seat production, conveniently drop, compare the mode of sled, reduce the damage of mould or shield structure section of jurisdiction, and simultaneously, the thread bushing carries out the shutoff through the threaded rod, sealed effect when guaranteeing the pouring.

Drawings

Fig. 1 is a schematic front view of the overall structure of the present invention;

fig. 2 is a schematic front view of the shaping base of the present invention;

fig. 3 is a schematic view of the overlooking structure of the shaping seat and the sealing plate of the present invention.

In the figure: 1 shaping seat, 11 sealing plates, 12 threaded sleeves, 13 threaded rods, 14 positioning plates, 15 knobs, 2 aligning seats, 21 aligning blocks, 3 grooves, 31 first springs, 32 clamping pins, 33 through holes, 4 side plates, 41 square rods, 42 square sleeves, 43 bases, 44 second springs, 5 ball grooves and 51 balls.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1, fig. 2 and fig. 3, the present invention provides a technical solution: a spliced model structure for filling and separating pouring of an inverted arch of a highway tunnel comprises a shaping seat 1, a sealing plate 11 is arranged on the front surface of the shaping seat 1, the shaping seat 1 and the sealing plate 11 form a pouring model, only the upper end of the shaping seat 1 is provided with a pouring port and the pouring port is vertically poured, nine thread sleeves 12 are fixedly embedded in the shaping seat 1, when the demoulding is difficult, a round rod can penetrate through the thread sleeves 12 and is matched with a nail hammer to lightly knock, so that a shield segment and the shaping seat 1 vibrate, the demoulding process is convenient, compared with a prying-open mode, the shaping seat 1 and the shield segment cannot be damaged, a threaded rod 13 is arranged on the inner wall thread of the thread sleeves 12, a positioning plate 14 is arranged on the threaded rod 13, the positioning plate 14 is welded and fixed with the threaded rod 13, and the threaded rod 13 can play a role in blocking the thread sleeves 12, the positioning plate 14 is provided with a knob 15.

Referring to fig. 1 and 3, the alignment seat 2 is welded on the shaping seat 1, the alignment block 21 is welded on the sealing plate 11, the alignment seat 2 is slidably sleeved on the alignment block 21, the groove 3 is formed in the alignment block 21, the first spring 31 is fixedly connected in the groove 3, the bayonet pin 32 is fixedly connected at the other end of the first spring 31, the through hole 33 is formed in the alignment seat 2, and the bayonet pin 32 is slidably sleeved with the through hole 33.

Referring to fig. 1 and 2, lower extreme fixedly connected with curb plate 4 of sizing seat 1, fixedly connected with square pole 41 on the curb plate 4, square pole 41 slides and is provided with square cover 42, the lower extreme fixedly connected with base 43 of square cover 42, fixedly connected with second spring 44 between square cover 42 and the curb plate 4, be provided with ball groove 5 on the inner wall of square cover 42, the roll is provided with ball 51 in the ball groove 5, ball 51 sets up with the contact of square pole 41, can be when the pouring, sizing seat 1 can slide, make its vibration, reduce the production of concrete bubble.

The utility model discloses when concrete implementation: when the shield segment needs to be cast, the sealing plate 11 and the shaping base 1 are firstly installed, then the clamping pin 32 can be inserted into the aligning base 2 through the aligning block 21 to be positioned, when the position of the clamping pin 32 corresponds to the position of the through hole 33, the clamping pin 32 can be bounced into the through hole 33 through the resetting effect of the first spring 31, so that the sealing plate 11 and the shaping base 1 can be fixed, then concrete materials are cast into a casting space enclosed by the sealing plate 11 and the shaping base 1, in order to reduce the generation of bubbles, a worker can push the shaping base 1, the square sleeve 42 slides on the square rod 41 and is matched with the compression and resetting of the second spring 44, so that the shaping base 1 has a vibration effect, the generation of bubbles can be reduced, the square sleeve 42 can reduce the sliding friction through the sliding of the ball 51, when the mold needs to be removed, the sealing plate 11 is firstly, when the shield constructs section of jurisdiction and the inconvenient problem of dismantling that bonds appear in design seat 1, rotate threaded rod 13 through knob 15, make it throw off with thread bush 12, then insert thread bush 12 through the round bar that matches to the cooperation nail hammer, strike gently, make the shield construct the section of jurisdiction can vibrate the drawing of patterns.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a highway tunnel invert and fill separately pouring with concatenation formula model structure, includes sizing seat (1), its characterized in that: the front of sizing seat (1) is provided with sealing plate (11), fixed embedding has thread bush (12) on sizing seat (1), the inner wall screw thread of thread bush (12) is provided with threaded rod (13), be provided with locating plate (14) on threaded rod (13), be provided with knob (15) on locating plate (14).

2. The spliced model structure for inverted arch and filling separated pouring of the highway tunnel according to claim 1, wherein: the welding has counterpoint seat (2) on shaping seat (1), the welding has counterpoint piece (21) on sealing board (11), and counterpoint piece (21) slip cover establishes counterpoint seat (2).

3. The spliced model structure for inverted arch and filling separated pouring of the highway tunnel according to claim 2, wherein: be provided with recess (3) on counterpoint piece (21), first spring (31) of fixedly connected with in recess (3), the other end fixedly connected with bayonet lock (32) of first spring (31), be provided with through-hole (33) on counterpoint seat (2), bayonet lock (32) and through-hole (33) slip cap are established.

4. The spliced model structure for inverted arch and filling separated pouring of the highway tunnel according to claim 1, wherein: the lower extreme fixedly connected with curb plate (4) of sizing seat (1), fixedly connected with square pole (41) on curb plate (4), square pole (41) slide and are provided with square cover (42), lower extreme fixedly connected with base (43) of square cover (42), fixedly connected with second spring (44) between square cover (42) and curb plate (4).

5. The spliced model structure for inverted arch and filling separated pouring of the highway tunnel according to claim 4, wherein: the inner wall of the square sleeve (42) is provided with a ball groove (5), a ball (51) is arranged in the ball groove (5) in a rolling manner, and the ball (51) is arranged in contact with the square rod (41).