Improved sliding mode hinge lug connection needle beam full-circle lining trolley

By introducing sliding templates and hinge devices onto the full-circular needle beam trolley, the quality problems such as air bubbles and honeycomb pitting within the invert arch range of the full-circular needle beam trolley were solved, achieving efficient template connection and a misalignment-free effect, thus improving the construction quality of tunnel lining.

CN223608552UActive Publication Date: 2025-11-28中国水利水电第七工程局有限公司 +1
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Patent Information

Application Number
CN202423212029.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-25
Publication Date
2025-11-28
Estimated Expiration
2034-12-25

AI Technical Summary

Technical Problem

Existing full-circle needle beam trolleys are prone to quality problems such as air bubbles and honeycomb pitting when pouring within the invert arch area. In addition, the formwork connection is cumbersome, the construction process is slow, and misalignment is easy to occur.

Method used

The system employs a sliding template and hinge device. The sliding template is driven by a sliding winch to slide on an arc-shaped slide rail. Combined with manual finishing technology, it solves the problems of air bubbles and honeycomb pitting. The hinge device enables the template to be quickly connected and fixed.

Benefits of technology

It improved construction efficiency, ensured the forming quality of tunnel lining, solved quality defects such as air bubbles and honeycomb pitting, and achieved rapid connection of formwork and a misalignment-free effect.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an improved sliding mode hinge lug connection needle beam full-circle lining trolley. A sliding mode formwork, a sliding mode winch and an arc-shaped sliding rail are additionally arranged on the basis of an existing full-circle needle beam type trolley. The arc-shaped sliding rail is arranged at the position, corresponding to a tunnel inverted arch, of the lower portion of the needle beam frame, and the two sliding formwork winches are symmetrically arranged on the two sides of the needle beam frame. The two slip form formworks are symmetrically arranged, slip form oil cylinders are arranged on the slip form formworks, the slip form oil cylinders are connected with the arc-shaped sliding rails through idler wheels on the slip form oil cylinders, pulleys on the side portions of the other ends of the slip form oil cylinders are connected with slip form winches through steel wire ropes, and the slip form winches are matched with the arc-shaped sliding rails to control the slip form formworks to slide; the sliding mode type formworks are fixedly connected with the corresponding fixed formworks at the butt joint positions. According to the lining trolley, the slip form winch pulls the slip form formwork to complete sliding pouring through the arc-shaped sliding rail, sliding is conducted at any time according to the concrete pouring condition, the concrete surface is finished manually after sliding is completed, and the quality defects of bubbles, water waves, honeycombs and pitted surfaces at the inverted arch position are overcome.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a tunnel lining concrete pouring technical field, concretely to an improved slide mode hinge ear connecting needle beam full circle lining trolley. BACKGROUND

[0002] Tunnel secondary lining refers to the second supporting structure in the underground tunnel, aims at strengthening the stability and safety of the tunnel, is related to the overall quality safety of the tunnel, therefore should pay attention to the construction technology.

[0003] The existing full circle needle beam type trolley's demolding, vertical module positioning, walking and concrete pouring construction are fast, and one-time forming of full section is fast and convenient, can effectively improve work efficiency, but the phenomena such as bubble, honeycomb pitted surface produced when pouring in inverted arch range still cannot be effectively solved, in addition, two template connection is complicated, and the construction process is slow, and the phenomena such as wrong platform are prone to occur, thus the efficient method is needed to solve the bubble, honeycomb pitted surface, wrong platform and template connection mode produced at present pouring. SUMMARY

[0004] The utility model discloses an improved slide mode hinge ear connecting needle beam full circle lining trolley, with simple operation, stable structure and high work efficiency, adopts the slide mode for inverted arch, can solve the bubble and honeycomb pitted surface produced after manual surface collection, guarantees forming effect, fixes the template through the connecting device, reduces the connecting time, and guarantees that the template diameter has no wrong platform.

[0005] The utility model discloses an improved slide mode hinge ear connecting needle beam full circle lining trolley, with simple operation, stable structure and high work efficiency, adopts the slide mode for inverted arch, can solve the bubble and honeycomb pitted surface produced after manual surface collection, guarantees forming effect, fixes the template through the connecting device, reduces the connecting time, and guarantees that the template diameter has no wrong platform.

[0006] The utility model provides an improved slide mode hinge ear connecting needle beam full circle lining trolley, and the lining trolley includes needle beam frame, needle beam, fixed template, base, roof rack, fixed template oil cylinder, traction mechanism, the needle beam is located in the needle beam frame, the needle beam frame sets up on the base, the needle beam frame top sets up the roof rack, and the fixed template includes top mould, left side mould, right side mould, and the top mould is connected with the roof rack, and the left side mould, right side mould are connected with the needle beam frame through a plurality of fixed template oil cylinders, and the left side mould, right side mould are respectively connected with the both sides hinge connection of top mould, and the traction mechanism is connected with the base, and its key technology is: the lining trolley still includes slide mode template, slide mode winch, arc slide rail, the arc slide rail is fixedly arranged at the position corresponding to the tunnel inverted arch of the lower part of needle beam frame, and the slide mode winch is provided with two, and is fixedly arranged on the left and right sides of needle beam frame, the slide mode template is provided with two, and is symmetrically arranged, and the slide mode template is fixedly provided with slide mode oil cylinder, and the other end of slide mode oil cylinder is equipped with the gyro wheel, and the gyro wheel is arranged on the arc slide rail, and the slide mode oil cylinder is connected with the arc slide rail through the gyro wheel, and the other end side of slide mode oil cylinder is equipped with the pulley, and the slide mode oil cylinder is connected with the corresponding slide mode winch through the steel wire rope winding on the pulley, and the slide mode winch cooperates with the arc slide rail and controls the corresponding slide mode template to slide, and the slide mode template drives the slide mode oil cylinder to walk on the arc slide rail through the corresponding slide mode winch, and the slide mode template is fixedly connected with the corresponding fixed template.

[0007] The slide mode template, the slide mode winch and the arc slide rail are made of steel.

[0008] The fixed template is in the shape of an arc, and the arc degree is matched with the roundness of the tunnel.

[0009] The arc slide rail is in the shape of an arc, and the arc degree is matched with the arc degree of the tunnel inverted arch.

[0010] The slide mode template is in the shape of an arc, and the arc degree is matched with the arc degree of the tunnel inverted arch.

[0011] The slide mode template is 1.5 m long and symmetrically arranged on both sides, and the total length is 3 m.

[0012] Each slide mode template is provided with two slide mode oil cylinders, and the outer side of the outer slide mode oil cylinder is provided with a pulley.

[0013] The connection between the fixed template and the slide mode template is in the shape of a V.

[0014] Corresponding hinge device is welded at the connection between the fixed template and the slide mode template, and the slide mode template and the fixed template are connected and fixed by inserting a pin into the hinge device; the hinge device is made of steel.

[0015] Corresponding round holes are arranged at the hinge device of the fixed template and the slide mode template, and the two templates are connected and fixed by inserting a pin into the round holes.

[0016] Compared with the prior art, the utility model has the beneficial effects that:

[0017] 1, the utility model discloses the installation oil cylinder on the sliding mode template, and through the sliding mode winch pull the sliding mode template and complete the sliding pouring through the arc slide rail, according to the concrete pouring situation and slide at any time.

[0018] 2, the utility model discloses the sliding of sliding mode template is completed and is through the manual control concrete initial setting time to the concrete surface and is received, and the quality defect of solving inverted arch part bubble, water mark, honeycomb, pockmark is solved.

[0019] 3, the utility model discloses the fixed template and sliding mode template adopt hinge lug device, and the template is wrong and is connected, and has simple operation, high working efficiency, guarantees the forming effect to meet the overall quality of tunnel lining. DRAWINGS:

[0020] Figure 1 It is the structural schematic diagram of the utility model;

[0021] Figure 2 It is the use structure schematic diagram of the utility model;

[0022] Figure 3 It is the use structure schematic diagram (first time sliding) of the utility model;

[0023] Figure 4 It is the use structure schematic diagram (second time sliding) of the utility model;

[0024] Figure 5 It is the use structure schematic diagram (third time sliding of the utility model;

[0025] Figure 6 It is the template connection schematic diagram of the utility model;

[0026] Figure 7 It is the fixed template, sliding mode template of the utility model adopt hinge lug device connection before schematic diagram;

[0027] Figure 8 It is the fixed template, sliding mode template of the utility model adopt hinge lug device connection after schematic diagram.

[0028] Reference numerals in the drawing:

[0029] 1-fixed template, 2-sliding mode winch, 3-fixed template oil cylinder, 4-sliding mode oil cylinder, 5-arc slide rail, 6-sliding mode template, 7-hinge lug device. DETAILED DESCRIPTION:

[0030] The utility model is further illustrated in combination with specific implementation manners, the specific implementation manners are further illustration of the principle of the utility model, do not limit the utility model in any way, and the same or similar technology of the utility model does not exceed the protection scope of the utility model.

[0031] Referring to Figures 1-8 The utility model provides an improved slide mode hinge ear connecting needle beam full circle lining trolley, which is improved on the basis of the existing full circle needle beam type trolley. The existing full circle needle beam type trolley mainly comprises a needle beam frame, a needle beam, a fixed formwork 1, a base, a top frame, fixed formwork oil cylinders 3 and a traction mechanism. The needle beam is located in the needle beam frame, the needle beam frame is arranged on the base, and the top frame is arranged on the top of the needle beam frame. The fixed formwork 1 comprises a top formwork, a left side formwork and a right side formwork. The top formwork is connected with the top frame, the left side formwork and the right side formwork are connected with the needle beam frame through a plurality of fixed formwork oil cylinders 3, and the left side formwork and the right side formwork are respectively connected with the two sides of the top formwork through hinged connection. The traction mechanism is connected with the base. The fixed formwork 1 is in the shape of an arc, and the radius of curvature is matched with the roundness of the tunnel.

[0032] The improved sliding mode hinge connecting needle beam full circle lining trolley increases the steel material made sliding mode formwork 6, sliding mode winch 2, arc-shaped sliding rail 5, hinge device 7. The arc-shaped sliding rail 5 is arc-shaped, and the radian is matched with the radian of the tunnel inverted arch. The arc-shaped sliding rail 5 is fixedly arranged at the position corresponding to the tunnel inverted arch at the lower part of the needle beam frame. The sliding mode winch 2 is provided with two winches, which are symmetrically fixedly arranged on the left and right sides of the needle beam frame. The sliding mode formwork 6 is arc-shaped, and the radian is matched with the radian of the tunnel inverted arch. The sliding mode formwork 6 is 1.5 m long, and is provided with two pieces which are symmetrically arranged on the left and right sides, and the total length is 3 m. Two sliding mode oil cylinders 4 are fixedly arranged on each sliding mode formwork 6. The outer side of the other end of the outer sliding mode oil cylinder 4 is provided with a pulley, and the other end of the sliding mode oil cylinder 4 is provided with a roller. The roller is arranged on the arc-shaped sliding rail 5. The sliding mode oil cylinder 4 is connected with the arc-shaped sliding rail 5 through the roller. The sliding mode oil cylinder 4 is connected with the corresponding sliding mode winch 2 through the steel wire rope wound on the pulley. The sliding mode winch 2 cooperates with the arc-shaped sliding rail 5 to control the sliding of the corresponding sliding mode formwork 6. The sliding mode formwork 6 drives the sliding mode oil cylinder 4 to walk on the arc-shaped sliding rail 5 through the corresponding sliding mode winch 2. After the sliding mode formwork 6 is close to the fixed formwork 1, the sliding mode formwork 6 is fixedly connected with the corresponding fixed formwork 1. In the embodiment, the connection between the fixed formwork 1 and the sliding mode formwork 6 is arranged in a "V" shape. The connection between the fixed formwork 1 and the sliding mode formwork 6 is correspondingly welded with the hinge device 7. The sliding mode formwork 6 is connected with the fixed formwork 1 by using the hinge device 7. The hinge device 7 of the fixed formwork 1 and the sliding mode formwork 6 is provided with a round hole. The sliding mode formwork 6 is connected and fixed with the fixed formwork 1 by inserting the pin into the round hole of the corresponding hinge device 7, so that the connection between the two formworks is convenient and fast. The lining trolley uses the sliding mode winch 2 system to slide the sliding mode formwork 6 from the bottom to the fixed formwork 1 in the range of the tunnel inverted arch lining, and finally completes the full circle lining pouring. The sliding mode formwork 6 is used for pouring and walking. The artificial controls the initial setting time of the concrete to solve the problems of bubbles, honeycomb and rough surface, and ensures the molding.

[0033] The use steps of the lining trolley are as follows:

[0034] I. After the lining trolley is positioned, the sliding mode formwork 6 is slid to the bottom to be closed, pouring is started, and after the pouring range of the sliding mode formwork 6 is poured, a period of time is waited before the sliding mode is started.

[0035] II. The sliding mode formwork 6 is uniformly lifted to both sides through the arc-shaped sliding rail 5 by using the sliding mode winch 2, that is, the first sliding of the sliding mode formwork 6 is carried out (see Figure 3 ), the sliding mode formwork 6 is left on the original poured concrete according to the site pouring and the initial setting strength of the concrete, and part of the formwork is poured in the empty tank.

[0036] III. Then, the sliding mode formwork 6 is uniformly lifted to both sides through the arc-shaped sliding rail 5 by using the sliding mode winch 2, that is, the second sliding of the sliding mode formwork 6 is carried out (see Figure 4), the sliding mode template 6 is left on the original cast concrete according to the cast-in-place and the initial strength of the concrete, and part of the template is cast in the empty warehouse.

[0037] Four, the sliding mode template 6 continues to be lifted at a uniform speed to both sides through the arc-shaped sliding rail 5 by using the sliding form hoist 2, that is, the third sliding of the sliding mode template 6 (see Figure 5 ), the sliding mode template 6 approaches the fixed template 1.

[0038] Five, the sliding mode template 6 approaches the fixed template 1, and after the two templates are closed, the two templates are connected and fixed firmly through the pin inserted into the round hole of the corresponding hinge lug device 7 of the two templates, forming an integrated template, achieving no error platform and uniform diameter of the template.

[0039] Six, finally, the full-circle lining is cast through the fixed template 1 to cast the window, and during the process, the sliding mode template 6 is removed after the initial setting of the concrete surface within the sliding mode template 6, artificial finishing is performed to solve the generated bubbles, honeycomb and rough surface.

Claims

1. An improved full-circle lining trolley with sliding mode hinge ear connecting needle beam, comprising a needle beam frame, a needle beam, a fixed formwork (1), a base, a top frame, a fixed formwork oil cylinder (3), a traction mechanism, the needle beam is located in the needle beam frame, the needle beam frame is arranged on the base, the top frame is arranged on the top of the needle beam frame, the fixed formwork (1) comprises a top formwork, a left side formwork and a right side formwork, the top formwork is connected with the top frame, the left side formwork and the right side formwork are connected with the needle beam frame through a plurality of fixed formwork oil cylinders (3), the left side formwork and the right side formwork are respectively connected with both sides of the top formwork through hinge connection, and the traction mechanism is connected with the base, characterized in that: The lining trolley further comprises a sliding mode template (6), a sliding mode winch (2) and an arc-shaped sliding rail (5); the arc-shaped sliding rail (5) is fixedly arranged at a position corresponding to the tunnel invert of the lower part of the needle beam frame, the sliding mode winch (2) is provided with two winches and is symmetrically fixedly arranged on the left and right sides of the needle beam frame; the sliding mode template (6) is provided with two templates and is symmetrically arranged, the sliding mode template (6) is fixedly provided with a sliding mode oil cylinder (4), the other end of the sliding mode oil cylinder (4) is provided with a roller, the roller is arranged on the arc-shaped sliding rail (5), the sliding mode oil cylinder (4) is connected with the arc-shaped sliding rail (5) through the roller, the other end of the sliding mode oil cylinder (4) is provided with a pulley, the sliding mode oil cylinder (4) is connected with the corresponding sliding mode winch (2) through a steel wire rope wound on the pulley, the sliding mode winch (2) cooperates with the arc-shaped sliding rail (5) to control the sliding of the corresponding sliding mode template (6), the sliding mode template (6) is driven by the corresponding sliding mode winch (2) to walk on the arc-shaped sliding rail (5), the sliding mode template (6) is fixedly connected with the corresponding fixed template (1), the connection between the fixed template (1) and the sliding mode template (6) is arranged in a "V" shape, the connection between the fixed template (1) and the sliding mode template (6) is correspondingly welded with a hinge device (7), and the sliding mode template (6) and the fixed template (1) are connected and fixed by inserting a pin into the corresponding hinge device (7).

2. An improved slip mode hinged lug connecting needle beam full circular lining trolley as claimed in claim 1 wherein: The sliding mode template (6), the sliding mode winch (2) and the arc-shaped sliding rail (5) are all made of steel.

3. An improved slip mode hinged lug connecting needle beam full circular lining trolley as claimed in claim 1 wherein: The fixed template (1) is in a circular arc shape, and the radius is matched with the circular degree of the tunnel.

4. An improved slip mode hinged lug connecting needle beam full circular lining trolley as claimed in claim 1 wherein: The arc-shaped sliding rail (5) is in an arc shape, and the radius is matched with the radius of the tunnel invert.

5. An improved slip mode hinged lug connecting needle beam full circular lining trolley as claimed in claim 1 wherein: The sliding mode template (6) is in an arc shape, and the radius is matched with the radius of the tunnel invert.

6. An improved slip-joint gusset connected needle beam full circle lining trolley as claimed in claim 1 wherein: The sliding mode template (6) is 1.5 m long and is symmetrically arranged on both sides, and the total length is 3 m.

7. An improved slip-joint grommet needle beam full-round lining trolley as claimed in claim 1 wherein: Each sliding mode template (6) is provided with two sliding mode oil cylinders (4), and the pulley is arranged on the outer side of the outer sliding mode oil cylinder (4).

8. An improved slip-joint gusset connected needle beam full circle lining trolley as claimed in claim 1 wherein: The hinge device (7) is made of steel.

9. An improved slip-joint grommet needle beam full-round lining trolley as claimed in claim 1 wherein: The fixed template (1) and the hinge device (7) of the sliding mode template (6) are provided with a round hole in correspondence, and the two templates are connected and fixed by inserting a pin into the round hole.