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CN-116378729-B - Tunnel center ditch apron die block support ejector system

CN116378729BCN 116378729 BCN116378729 BCN 116378729BCN-116378729-B

Abstract

The invention relates to the technical field of brackets and side mold plugging systems for concrete pouring of tunnel center ditch top plates, and discloses a tunnel center ditch cover plate bottom mold bracket pushing system which comprises a bottom mold, a side mold pushing system, a rotating ring, a traction ring and a bent angle rail, wherein the bracket is welded on the bent angle rail, angle steel is welded at the top of the bracket, the traction ring is welded at the front end of the bent angle rail, horizontal clamping teeth are welded on a transverse supporting beam, the rotating clamping teeth are fixedly arranged on the surface of a rotating rod, a suspension plate is arranged at the top of the rotating rod, a push rod connected with the rotating ring is sleeved on the rotating rod, the front end of the push rod is connected with a side mold by a connecting rod, a supporting point steel plate cushion block for supporting the bottom mold is welded at the top of the push rod, the side part of the bottom mold is in oblique angle butt joint with the inner side part of the side mold, a clamping column is welded at the outer side part of the side mold, and a rubber plug with a clamping groove is arranged, and the bottom mold is provided with the characteristics of simple structure, low cost, safety and reliability.

Inventors

  • LIU WEIDONG
  • LIU WEIQING
  • LIU WENGANG
  • WANG DI
  • WU YANZHE
  • Xie Linda

Assignees

  • 中铁十九局集团有限公司

Dates

Publication Date
20260508
Application Date
20230310

Claims (7)

  1. 1. The utility model provides a tunnel center ditch apron die block support push system, includes die block (1), side form push system (2), propulsion system (3), swivel ring (4), traction ring (5) and bent angle rail (6), its characterized in that, side form push system (2) include limit template (21), connecting rod (22), card post (23), rubber buffer (24), footstock (26) and footstock (27), propulsion system (3) include supporting beam (31), crank (32), dwang (33), horizontal latch (34), rotatory latch (35) and suspension board (36); The steel plate forming device is characterized in that a bracket (11) is welded on the bent angle rail (6), 100mm angle steel is welded at the top of the bracket (11), a traction ring (5) is welded at the front end of the bent angle rail (6), a horizontal latch (34) is welded on the supporting beam (31), a crank (32) is fixedly installed at the end of a rotating rod (33), a rotary latch (35) is fixedly installed on the surface of the rotating rod (33), the rotary latch (35) corresponds to the position of the horizontal latch (34), a suspension plate (36) with the thickness of 2mm is arranged at the top of the rotating rod (33), a push rod (27) connected with the rotating ring (4) is sleeved on the rotating rod (33), a top seat (26) is welded at the bottom of the push rod (27), the front end of the push rod (27) is connected with a side part template (21) through a connecting rod (22), a supporting point steel plate cushion block for supporting the bottom template (1) is welded at the top of the bottom template (1), the side part of the bottom template (1) is manufactured with a size matched with the side part of the side template (21), and a rubber plug (24) is installed at the side of the bottom template (1), and a groove (24) is welded at the side of the bottom template; The side die ejection system (2) further comprises a sliding base (25) and a top seat (26), wherein the sliding base (25) and the top seat (26) form a sliding pad, and the sliding pad is used for lifting and lowering the side die plate (21).
  2. 2. The tunnel center ditch cover plate bottom die support pushing system according to claim 1, wherein the side die plates (21) are used for blocking gaps at the sides of the bottom die (1), the connecting rods (22) are used for connecting the side die plates (21) with pushing rods (27), the clamping columns (23) are used for fixing rubber plugs (24) on the side die plates (21), the rubber plugs (24) are used for blocking cracks between the concrete wall body (8) and the side die plates (21), and the pushing rods (27) are used for transmitting horizontal pushing force.
  3. 3. A tunnel centre ditch cover bottom mould carrier ejector system according to claim 2, characterized in that the swivel ring (4) is sleeved on the swivel rod (33), the swivel ring (4) being connected to the ejector rod (27).
  4. 4. A tunnel centre ditch cover floor form carrier ejection system according to claim 3, characterized in that the support beam (31) is used for supporting a form (1), the form (1) is used for supporting a reinforcement and concrete wall (8) and for transferring gravity to a carrier (11), the carrier (11) is used for transferring vertical loads.
  5. 5. The tunnel center ditch cover bottom mold support pushing system according to claim 1, wherein the pushing system (3) further comprises a spring (37) and a fixing bolt (38), and the rotating rod (33) is connected with the suspension plate (36) through the spring (37) and the fixing bolt (38).
  6. 6. A tunnel centre ditch cover bottom form support ejector system according to claim 1, characterized in that the corner rail (6) is pressed from the front end of a steel pipe with a diameter of 42 mm.
  7. 7. The tunnel center ditch cover plate bottom die support pushing system according to claim 1, wherein a bottom die base (9) is installed between the bottom die (1) and the supporting beam (31).

Description

Tunnel center ditch apron die block support ejector system Technical Field The invention relates to the technical field of brackets for concrete pouring of tunnel center ditch top plates and side mold plugging systems, in particular to a bottom mold bracket ejection system for a tunnel center ditch cover plate. Background At present, in order to improve the compactness of a ditch cover plate and a side wall in a tunnel center, a cast-in-situ mode is adopted, a temporary support method is generally adopted, 30% of components are required to be disassembled at one time, more labor and materials are consumed, a cover plate bottom die is not tightly contacted with the side wall, slurry leakage is not easy, the cover plate has hidden quality hazards, and sometimes, the cover plate is plugged by long-strip geotechnical cloth or waterproof plates and is difficult to disassemble, and materials are wasted. Workers have low working efficiency and high potential safety hazard in a narrow space. On the contrary, the tunnel center ditch top die ejector bracket system is used, so that the manual consumption is reduced, the working efficiency is improved, the leakage of slurry at the bottom die corners is avoided, the concrete quality is ensured, the material consumption is reduced through integral pushing, and the unnecessary potential safety hazard is eliminated by workers only needing to operate at the periphery. Disclosure of Invention Aiming at the defects of the prior art, the invention provides a tunnel central ditch cover plate bottom die support pushing system, which utilizes the assembly and improvement of common components to manufacture an integral support template in a narrow space, solves the problems in the prior art, effectively improves the construction speed of a central ditch, reduces the manual use amount, shortens the reinforcement time, improves the operation efficiency, ensures that the pouring construction of a ditch cover plate is standardized, reduces the construction cost by technical measures, and enhances the civilized construction effect. The invention provides a tunnel central ditch cover plate bottom die support pushing system, which comprises a bottom die, a side die pushing system, a rotating ring, a traction ring and a bent angle rail, wherein the side die pushing system comprises a side die plate, a connecting rod, a clamping column, a rubber plug, a top seat and a top push rod, and the pushing system comprises a supporting beam, a rotating handle, a rotating rod, a horizontal latch, a rotating latch and a suspension plate; The angle bending rail is welded with a support, the top of the support is welded with 100mm angle steel, the front end of the angle bending rail is welded with a traction ring, the transverse supporting beam is welded with horizontal clamping teeth, the crank is fixedly arranged at the end part of a rotating rod, the rotating clamping teeth are fixedly arranged on the surface of the rotating rod, the rotating clamping teeth correspond to the horizontal clamping teeth in position, the top of the rotating rod is provided with a suspension plate with the thickness of 2mm, a push rod connected with the rotating ring is sleeved on the rotating rod, the bottom of the push rod is welded with a triangular wedge-shaped block footstock, the front end of the push rod is connected with an edge template through a connecting rod, the top of the push rod is welded with a supporting point steel plate cushion block for supporting a bottom die, the edge part of the bottom die is connected with the inner side part of the edge template in an oblique angle joint with the same size, the outer side part of the edge template is welded with a clamping column, and a rubber plug with a clamping groove is arranged, and a steel plate of the bottom die is arranged. As a still further proposal of the invention, the side mold ejection system also comprises a sliding base and a top seat, wherein the sliding base and the top seat form a sliding pad, the sliding pad is used for lifting and lowering the side mold plate, the side mold ejection system 2 is lifted and fallen through a wedge-shaped cushion block, the corner oblique edges are matched, and the softness and elasticity of the rubber plug 24 are tightly sealed. As a still further proposal of the invention, the edge templates are used for plugging gaps at the edges of the bottom die, the connecting rods are used for connecting the edge templates with the brackets, the clamping columns are used for fixing the rubber plugs on the edge templates, the rubber plugs are used for plugging gaps between the concrete wall body and the edge templates, the push rods are used for transmitting horizontal pushing force, the lifting of the bottom die 1 is consistent with the outward movement and lifting of the edge templates 21, the templates at the gaps of the edge templates 21 are lifted and also move outwards while the bottom die 1 is lifted, the length of