Sliding type template device for tunnel inverted arch construction
By designing a sliding formwork device, the tunnel arch concrete is shaped by using the sliding formwork slide and the sliding formwork device, the problems of irregular floating and arcing of the arch formwork are solved, and efficient and high-quality arch construction is achieved.
Patent Information
- Application Number
- CN202421565402.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-04
- Publication Date
- 2025-04-25
- Estimated Expiration
- 2034-07-04
AI Technical Summary
During the tunnel arch construction, the floating of the arch formwork for the semi-arc arch formwork is difficult to control, resulting in irregular angle tilt and arc shape; bubbles, holes and cold joints appear on the arch for the full arc formwork; the large volume and weight of the formwork increase the difficulty of movement and positioning, affecting the construction progress.
A sliding formwork device is designed to construct the concrete through a pair of sliding formwork slides and sliding formwork devices. During the sliding process, the concrete is shaped into a arch, which avoids bubbles and cold joints and simplifies the movement and positioning of the formwork.
The angle stability and arc standardization of the arch construction are achieved, problems such as bubbles and cold joints are avoided, construction speed and molding quality are improved, and the formwork is lightweight to move and accurate positioning.
Smart Images
Figure CN222797512U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to a template device for tunnel invert construction, in particular to a sliding template device for tunnel invert construction. Background Art
[0002] At present, the invert of the road surface in the tunnel is the forming basis of the road surface and the donor, and a template is usually used for concrete construction. The invert construction generally adopts a semi-arc invert template construction and a full-arc template construction. Since the floating of the invert template in the semi-arc invert template construction is difficult to control, the angle of the construction invert template is tilted, and the arc shape is irregular. The invert of the fully enclosed arc template and the overall concrete pouring construction is prone to construction problems such as air bubbles, cavities, cold joints, etc. During the construction process, due to the large volume and weight, the difficulty of moving and positioning the template is increased, which affects the construction progress in the later stage. In view of the above reasons, a sliding template device for tunnel invert construction is proposed. Utility Model Content
[0003] The purpose of the utility model is to overcome the problems of the inverted arch formwork floating, angle tilting and irregular arc shape in the construction of the half-arc inverted arch formwork in the construction of the inverted arch; the inverted arch floating, bubble cavities and cold seams in the construction of the full-arc inverted arch formwork; the large volume and weight increase the difficulty of template movement and positioning, and affect the construction progress in the later stage; through reasonable design, a sliding template device for tunnel inverted arch construction is provided; the utility model is constructed by a pair of sliding form slideways and a sliding formwork device corresponding to the poured concrete, the sliding formwork device slides through the guidance of the sliding form slideway, and during the sliding process, the construction surface of the poured concrete is shaped into an inverted arch, the surface of the inverted arch construction is open and visible construction, which can effectively avoid the bubbles and cold seams in the construction donor, effectively avoid the floating problem existing in the construction of conventional full-arc inverted arch formwork and half-arc inverted arch formwork, the construction speed is fast, and the forming effect is good; the utility model is light in weight, convenient to walk, the template is easy to move and accurately positioned, and the construction quality of the inverted arch is improved.
[0004] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a sliding formwork device for tunnel invert construction, which is composed of: a sliding formwork beam, a beam connecting block, a beam seat, a sliding formwork longitudinal beam, a supporting beam, a sliding formwork slideway, a walking wheel groove, a sliding formwork device, a sliding formwork trolley, a sliding formwork vibration pump, a small wheel, a rack, a driving gear, a plug template 6, a plug flange 6, and a concrete pouring layer; a pair of sliding formwork beams are arranged at both ends of the sliding formwork device, and a pair of sliding formwork longitudinal beams are arranged at both ends of the pair of sliding formwork beams; the two ends of the pair of sliding formwork beams are respectively connected to a pair of A beam connecting block is arranged between the longitudinal beams of the sliding formwork, and a pair of sliding formwork beams and a pair of sliding formwork longitudinal beams are arranged as a frame-type frame; a pair of plugging templates 6 are arranged on the outer sides below the pair of sliding formwork longitudinal beams, a pair of plugging flanges 6 are symmetrically arranged at both ends of the inner side of the plugging template 6, the plugging template 6 is arranged as an arc corner template, and a screw rod is arranged between the inner upper end of the plugging template 6 and the longitudinal beam of the sliding formwork; sliding form slideways are arranged below the pair of sliding formwork beams, supporting beams are evenly arranged between the pair of sliding formwork beams and the sliding formwork slideways, and two pairs of beam seats are symmetrically arranged on the pair of sliding formwork slideways;
[0005] A slipform device is longitudinally arranged between a pair of slipform slideways, and an arc-shaped panel is arranged under the slipform device; a pair of slipform trolleys are arranged between the two ends of the slipform device and the pair of slipform slideways, and a slipform vibration pump is arranged in the middle of the slipform device; the slipform device, the pair of slipform trolleys, and the slipform vibration pump are arranged as a sliding formwork, and a corresponding concrete pouring layer is arranged under the slipform device.
[0006] A pair of sliding formwork slides are arranged in an I-shape, walking wheel grooves are arranged on both sides of a pair of sliding formwork slides, and a rack is arranged in the center below a pair of sliding formwork slides; two pairs of small wheels are arranged on the upper two pairs of a pair of sliding formwork trolleys, a driving gear is arranged in the middle of the upper part of a pair of sliding formwork trolleys, and a transmission wheel is arranged on one side of the transmission shaft of the driving gear; two pairs of small wheels are arranged in the walking wheel grooves, the rack and the driving gear are meshed, and a pair of sliding formwork slides are arranged as guide tracks for sliding templates.
[0007] Beneficial effects: The utility model constructs corresponding to the poured concrete through a pair of sliding form slides and a sliding form device. The sliding form device slides through the guidance of the sliding form slide. During the sliding process, the construction surface of the poured concrete is shaped into an inverted arch. The surface of the inverted arch construction is open and visible, which can effectively avoid bubbles and cold seams in the construction donor, and effectively avoid the floating problem existing in the construction of conventional full-arc inverted arch formwork and semi-arc inverted arch formwork. The construction speed is fast and the forming effect is good. The utility model is light in weight and convenient to walk. The formwork is easy to move and accurately positioned, which improves the construction quality of the inverted arch. BRIEF DESCRIPTION OF THE DRAWINGS
[0008] The utility model is further described below in conjunction with the accompanying drawings:
[0009] Figure 1 It is a schematic diagram of the general assembly structure;
[0010] Figure 2 yes Figure 1 Schematic diagram of the local structure;
[0011] Figure 3 yes Figure 1 A schematic diagram of a local structure viewed from above;
[0012] Figure 4 yes Figure 3 Schematic diagram of the local structure;
[0013] Figure 5 yes Figure 1 Schematic diagram of the construction status of the structure;
[0014] Figure 1 , 2 , 3, 4, and 5: sliding formwork beam 1, beam connecting block 1-1, beam seat 1-2, sliding formwork longitudinal beam 2, supporting beam 3, sliding formwork slideway 4, walking wheel groove 4-1, sliding formwork device 5, sliding formwork trolley 5-1, sliding formwork vibration pump 5-2, small wheel 5-3, rack 5-4, driving gear 5-5, plug formwork 6, plug flange 6-1, concrete pouring layer 7. DETAILED DESCRIPTION
[0015] The present invention is further described in detail below with reference to the accompanying drawings and specific embodiments:
[0016] A pair of sliding formwork beams 1 are arranged at both ends of the sliding formwork device, and a pair of sliding formwork longitudinal beams 2 are arranged at both ends of the pair of sliding formwork beams 1; beam connecting blocks 1-1 are arranged between the two ends of the pair of sliding formwork beams 1 and the pair of sliding formwork longitudinal beams 2, and the pair of sliding formwork beams 1 and the pair of sliding formwork longitudinal beams 2 are arranged as a frame-type frame; a pair of plugging templates 6 are arranged on the outer sides below the pair of sliding formwork longitudinal beams 2, a pair of plugging flanges 6-1 are symmetrically arranged at both ends of the inner side of the plugging template 6, the plugging template 6 is arranged as an arc corner template, and a screw rod is arranged between the inner upper end of the plugging template 6 and the sliding formwork longitudinal beam 2; sliding form slideways 4 are arranged below the pair of sliding formwork beams 1, supporting beams 3 are evenly arranged between the pair of sliding formwork beams 1 and the sliding form slideways 4, and two pairs of beam seats 1-2 are symmetrically arranged on the pair of sliding form slideways 4.
[0017] A slipform device 5 is longitudinally arranged between a pair of slipform slideways 4, and an arc-shaped panel is arranged below the slipform device 5; a pair of slipform trolleys 5-1 are arranged between the two ends of the slipform device 5 and the pair of slipform slideways 4, and a slipform vibration pump 5-2 is arranged in the middle of the slipform device 5; the slipform device 5, the pair of slipform trolleys 5-1, and the slipform vibration pump 5-2 are arranged as sliding formworks, and a corresponding concrete pouring layer 7 is arranged below the slipform device 5.
[0018] A pair of sliding form slides 4 are arranged in an I-shape, walking wheel grooves 4-1 are arranged on both sides of a pair of sliding form slides 4, and a rack 5-4 is arranged in the center below a pair of sliding form slides 4; two pairs of small wheels 5-3 are arranged on the upper two pairs of a pair of sliding form trolleys 5-1, a driving gear 5-5 is arranged in the middle of the upper part of a pair of sliding form trolleys 5-1, and a transmission wheel is arranged on one side of the transmission shaft of the driving gear 5-5; two pairs of small wheels 5-3 are arranged in the walking wheel grooves 4-1, and the rack 5-4 and the driving gear 5-5 are meshed, and a pair of sliding form slides 4 are arranged as guide rails for the sliding template.
Claims
1. A sliding formwork device for tunnel invert construction, comprising: a sliding formwork beam (1), a beam connecting block (1-1), a beam seat (1-2), a sliding formwork longitudinal beam (2), a supporting beam (3), a sliding formwork slideway (4), a walking wheel groove (4-1), a sliding formwork device (5), a sliding formwork trolley (5-1), a sliding formwork vibration pump (5-2), a small wheel (5-3), a rack (5-4), a driving gear (5-5), a plug template (6), a plug flange (6-1), and a concrete pouring layer (7); characterized in that: A pair of sliding formwork beams (1) are arranged at both ends of the sliding formwork device, and a pair of sliding formwork longitudinal beams (2) are arranged at both ends of the pair of sliding formwork beams (1); beam connecting blocks (1-1) are arranged between the two ends of the pair of sliding formwork beams (1) and the pair of sliding formwork longitudinal beams (2); the pair of sliding formwork beams (1) and the pair of sliding formwork longitudinal beams (2) are arranged as a frame-type frame; a pair of plugging templates (6) are arranged on the outer sides below the pair of sliding formwork longitudinal beams (2), a pair of plugging flanges (6-1) are symmetrically arranged at both ends of the inner side of the plugging template (6), the plugging template (6) is arranged as an arc corner template, and a screw rod is arranged between the inner upper end of the plugging template (6) and the sliding formwork longitudinal beam (2); sliding form slideways (4) are arranged below the pair of sliding formwork beams (1), supporting beams (3) are evenly arranged between the pair of sliding formwork beams (1) and the sliding formwork slideways (4), and two pairs of beam seats (1-2) are symmetrically arranged on the upper sides of the pair of sliding formwork slideways (4).
2. A sliding formwork device for tunnel invert construction according to claim 1, characterized in that: A slipform device (5) is longitudinally arranged between a pair of slipform slideways (4), and a curved panel is arranged below the slipform device (5); a pair of slipform trolleys (5-1) are arranged between the two ends of the upper side of the slipform device (5) and the pair of slipform slideways (4), and a slipform vibration pump (5-2) is arranged in the middle of the upper side of the slipform device (5); the slipform device (5), the pair of slipform trolleys (5-1), and the slipform vibration pump (5-2) are arranged as a sliding formwork, and a concrete pouring layer (7) is arranged below the slipform device (5).
3. The sliding formwork device for tunnel invert construction according to claim 1, characterized in that: A pair of sliding form slideways (4) are arranged in an I-shape, walking wheel grooves (4-1) are arranged on both sides of the pair of sliding form slideways (4), and a rack (5-4) is arranged at the center of the bottom of the pair of sliding form slideways (4); two pairs of small wheels (5-3) are arranged on the top of the pair of sliding form trolleys (5-1), a driving gear (5-5) is arranged in the middle of the top of the pair of sliding form trolleys (5-1), and a driving wheel is arranged on one side of the transmission shaft of the driving gear (5-5); two pairs of small wheels (5-3) are arranged in the walking wheel grooves (4-1), the rack (5-4) and the driving gear (5-5) are arranged to be engaged, and the pair of sliding form slideways (4) are arranged as guide rails of the sliding formwork.