Reverse-angle vibrating device for tunnel inverted arch side wall
By designing a reverse-angle vibration device that includes a vibratory rod housing and a vibration unit, and employing a universal joint connection and an unbalanced pendulum design, the problem of traditional vibratory rods being difficult to insert into the reverse angle of the tunnel invert arch sidewall was solved, achieving effective vibration of concrete and improving construction quality.
Patent Information
- Application Number
- CN202520050104.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-09
- Publication Date
- 2025-11-28
- Estimated Expiration
- 2035-01-09
AI Technical Summary
Traditional linear vibrators are difficult to insert at the opposite angle to the tunnel invert sidewall, resulting in inadequate concrete vibration and quality defects such as honeycombing, pitting, and missed vibration.
Design a reverse-angle vibration device including a vibrator housing and a vibration unit. The device uses a universal joint-connected drive shaft and a rubber connection point, and an unbalanced pendulum to form segmental vibration. It can extend to the designated position according to the curvature of the formwork and quickly expel concrete air bubbles.
This method effectively vibrates the concrete at the opposite angle of the tunnel arch sidewall, avoiding the difficulty of inserting traditional devices and improving construction quality.
Smart Images

Figure CN223608555U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a tunnel lining construction technical field, concretely is a reverse angle vibrating device for tunnel inverted arch side wall. BACKGROUND
[0002] At present, domestic tunnel lining construction mainly includes inverted arch lining and secondary lining two parts, and the construction of the two parts adopts formwork lining, and the formwork lining of each part also comprises reverse angle construction of concrete, the reverse angle construction is influenced by the arc-shaped formwork, the traditional straight vibrating rod is difficult to insert to the position close to the reverse angle, so that the concrete vibration is not in place, and after the formwork is removed, the surface honeycomb, pockmarked face, vibration leakage and other quality defects are caused, therefore, it is necessary to design a device capable of effectively vibrating the reverse angle concrete construction of the tunnel lining. UTILITY MODEL CONTENTS
[0003] The utility model discloses a reverse angle vibrating device for tunnel inverted arch side wall to solve the problems in the above background.
[0004] In order to achieve the above object, the utility model provides the following technical scheme: a reverse angle vibrating device for tunnel inverted arch side wall, including vibrating rod shell, be equipped with vibrating unit in vibrating rod shell, vibrating unit includes first transmission shaft and second transmission shaft through universal joint connection, the position of first transmission shaft and second transmission shaft connection department on vibrating rod shell corresponds and is made with the material of rubber material, vibrating pendulum one is fixed with on first transmission shaft through connecting piece, the one end that second transmission shaft is away from first transmission shaft is connected with vibrating pendulum two, fixed bearing is all installed on first transmission shaft and second transmission shaft, the outer side of fixed bearing is connected with vibrating rod shell inner wall.
[0005] In the application scheme, the following improvements are made: a fixing structure one is arranged on the first transmission shaft and located on the side away from the second transmission shaft, and a sliding groove is formed in the middle of the fixing structure one for the first transmission shaft to extend or retract. By arranging the fixing structure one, the connection between the first transmission shaft and the inner wall of the vibrating rod shell is stabilized, and the vibrating rod shell is protected to a certain extent. The vibrating pendulum one rotates with the first transmission shaft in the cavity one, and the phenomenon of the vibrating pendulum one hitting the inner wall is avoided.
[0006] In the application scheme, the following improvements are made: a cavity one is arranged in the fixing structure one for the connecting piece and the vibrating pendulum one to rotate, and the cavity one is communicated with the sliding groove.
[0007] In the application scheme, the following improvements are made: a fixing ring is arranged on the end of the second transmission shaft away from the first transmission shaft, a connecting rod is installed on one side of the vibrating pendulum two, and the end of the connecting rod away from the vibrating pendulum two is connected with the fixing ring.
[0008] In the scheme, the fixed ring is sleeved with the fixed structure two outside the connecting rod and the vibration pendulum two, and the fixed structure two is provided with a cavity two in the middle for rotation of the connecting rod and the vibration pendulum two.
[0009] In the scheme, the vibration rod shell is provided with a through hole in the middle of the end away from the vibration pendulum two, and the through hole is provided with a connecting bearing, and the first transmission shaft is connected with the through hole through the connecting bearing.
[0010] Compared with the prior art, the utility model provides a reverse angle vibrating device for tunnel inverted arch side wall, has the following beneficial effects:
[0011] The utility model discloses a bendable vibrating device, which can extend to the specified position along the curvature of the formwork, avoiding the problem that the traditional linear vibrating rod is inserted into the bottom of the concrete chamfer far away from the formwork due to being vertically inserted and stuck between two layers of steel bars, and the section vibration formed by setting two sections of unbalanced pendulums can quickly discharge the air bubbles in the concrete, so as to effectively vibrate the reverse angle concrete construction of the tunnel lining, thereby solving the problem that the vibration is not in place in the reverse angle concrete construction of the tunnel inverted arch low side wall. BRIEF DESCRIPTION OF DRAWINGS
[0012] Fig. 1 It is the structural schematic diagram of the utility model;
[0013] Fig. 2 It is the sectional view of the utility model.
[0014] In the drawing: 1, vibration rod shell;11, through hole;2, universal joint;3, first transmission shaft;31, connecting piece;32, vibration pendulum one;33, fixed structure one;331, sliding groove;332, cavity one;4, second transmission shaft;41, vibration pendulum two;42, fixed ring;43, connecting rod;44, fixed structure two;441, cavity two;5, fixed bearing. DETAILED DESCRIPTION
[0015] The technical scheme in the embodiments of the utility model will be described below with reference to the drawings in the embodiments of the utility model:
[0016] As Figs. 1-2As shown, a kind of tunnel inverted arch side wall with reverse angle vibration device, it is mainly by vibration rod shell 1 and vibration unit composition, wherein vibration unit is arranged in vibration rod shell 1 inside, including by gimbals 2 connected first transmission shaft 3 and second transmission shaft 4, the gimbals 2 adopt cross shaft universal joint, it is convenient between first transmission shaft 3 and second transmission shaft 4 Angle is formed, while the position corresponding with first transmission shaft 3 and second transmission shaft 4 at vibration rod shell 1 is made with the material of rubber material, so that the vibration device can follow the template curvature extends to specified position, again by the segment vibration formed by setting two unbalanced pendulums, quickly the air bubble in concrete is quickly discharged, to realize the effective vibration of tunnel lining reverse angle concrete construction.
[0017] The middle part of the end of vibration rod shell 1 away from vibration pendulum two 41 is provided with a through hole 11, a connecting bearing is installed in the through hole 11, the first transmission shaft 3 is connected with the through hole 11 through the connecting bearing, and a motor is connected with the outer end of the first transmission shaft 3 through a shaft coupling, and the first transmission shaft 3 is driven to rotate by the motor in use; the first transmission shaft 3 is fixed with vibration pendulum one 32 through a connecting piece 31, the connecting piece 31 adopts a hinge, the second transmission shaft 4 is connected with vibration pendulum two 41 at the end away from the first transmission shaft 3, and fixed bearings 5 are sleeved on the first transmission shaft 3 and the second transmission shaft 4, the outer side of the fixed bearings 5 is connected with the inner wall of the vibration rod shell 1, a fixed structure one 33 is sleeved on the first transmission shaft 3 at the side away from the second transmission shaft 4 of the fixed bearings 5, a sliding groove 331 for the first transmission shaft 3 to stretch out and draw back is formed in the middle part of the fixed structure one 33, and a cavity one 332 for the connecting piece 31 and vibration pendulum one 32 to rotate is arranged in the fixed structure one 33, and the cavity one 332 is communicated with the sliding groove 331; the second transmission shaft 4 is provided with a fixed ring 42 at the end away from the first transmission shaft 3, a connecting rod 43 is installed on one side of vibration pendulum two 41, the end of the connecting rod 43 away from vibration pendulum two 41 is connected with the fixed ring 42, and the fixed ring 42 is sleeved with a fixed structure two 44 on the outer side of the connecting rod 43 and vibration pendulum two 41, and a cavity two 441 for the connecting rod 43 and vibration pendulum two 41 to rotate is formed in the middle part of the fixed structure two 44.
[0018] Working principle: the motor drives the first transmission shaft 3 to rotate, the first transmission shaft 3 drives the second transmission shaft 4 to rotate, and then the vibration pendulum one 32 on the first transmission shaft 3 and the vibration pendulum two 41 on the second transmission shaft 4 can rotate around the respective connected transmission shafts, and vibration is realized.
[0019] The above embodiments are only part of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the present application.
Claims
1. A reverse angle vibrating device for tunnel invert side wall, characterized in that: The utility model provides a vibrating rod shell (1) is equipped with vibration unit in, vibration unit includes first drive shaft (3) and second drive shaft (4) connected through universal joint (2), the position of vibrating rod shell (1) corresponding with the first drive shaft (3) and second drive shaft (4) connection place is made of the material of rubber material, first drive shaft (3) is fixed with vibration pendulum one (32) through connecting piece (31), the second drive shaft (4) is connected with vibration pendulum two (41) in the end away from first drive shaft (3), first drive shaft (3) and second drive shaft (4) are all equipped with fixed bearing (5), the fixed bearing (5) outside and vibrating rod shell (1) inner wall connection.
2. A reverse angle vibrating device for tunnel invert sidewall according to claim 1, characterized in that: The first drive shaft (3) is equipped with fixed structure one (33) on the side away from the fixed bearing (5) of second drive shaft (4), and the middle part of fixed structure one (33) is provided with a sliding slot (331) for the expansion of first drive shaft (3).
3. A reverse angle vibrating device for tunnel invert sidewall according to claim 2, characterized in that: The fixed structure one (33) is equipped with cavity one (332) for the rotation of connecting piece (31) and vibration pendulum one (32), and the sliding slot (331) is communicated with the cavity one (332).
4. The reverse angle vibrating device for tunnel invert sidewall according to claim 1, characterized in that: The second drive shaft (4) is equipped with a fixed ring (42) at the end away from the first drive shaft (3), and the side of the vibration pendulum two (41) is provided with a connecting rod (43), and the end away from the vibration pendulum two (41) of the connecting rod (43) is connected with the fixed ring (42).
5. A reverse angle vibrating device for use in the construction of a tunnel invert side wall as defined in claim 4, wherein: The fixed ring (42) is equipped with a fixed structure two (44) outside the connecting rod (43) and the vibration pendulum two (41), and the middle part of the fixed structure two (44) is provided with a cavity two (441) for the rotation of the connecting rod (43) and the vibration pendulum two (41).
6. A reverse angle vibrating device for tunnel invert sidewall according to claim 1, characterized in that: The vibrating rod shell (1) is equipped with a through hole (11) in the middle of the end away from the vibration pendulum two (41), and the connecting bearing is installed in the through hole (11), and the first drive shaft (3) is connected with the through hole (11) through the connecting bearing.