Tunnel secondary lining steel bar feeding device

Abstract

The utility model relates to a tunnel secondary lining steel bar feeding device which comprises a frame. The power device comprises a motor and a rotating disc; the motor is mounted on the frame, and the rotating disc is connected with a rotating shaft of the motor; an annular groove with the rotating shaft as the axis is formed in the circumferential direction of the rotating disc, and a plurality of clamping teeth arranged around the center of the rotating shaft are arranged on the inner wall of the annular groove; the bent feeding track is connected with the frame and receives the reinforcing steel bars pushed by the rotating disc; a rail groove is formed in the bent feeding rail, and the rail groove extends towards the inclined upper portion of the frame and is in a bent shape. According to the steel bar bending machine, feeding operation and bending operation of steel bars are achieved, the operation intensity of constructors is greatly reduced, the requirement for the number of the constructors is reduced, and cost is reduced.

Description

Technical Field

[0001] The present application relates to the technical field of tunnel reinforcement construction, and in particular to a tunnel secondary lining reinforcement feeding device. Background Art

[0002] During tunnel construction, secondary lining is a crucial component of the tunnel support system. During construction, circular and longitudinal rebar are constructed to form the secondary lining structure before concrete pouring. The installation of circular rebar requires bending the steel into a shape that matches the tunnel arch and tying it to the embedded rebar. Due to the limited working environment within the tunnel, manual bending and loading of the rebar is often used. Construction workers not only have to overcome the force of gravity during rebar loading but also need to bend the steel, which requires considerable effort. This bending and loading operation is labor-intensive, labor-intensive, and costly. Utility Model Content

[0003] Based on this, it is necessary to provide a tunnel secondary lining steel bar feeding device, and its specific technical solution is as follows.

[0004] A tunnel secondary lining steel bar feeding device, comprising:

[0005] Frame;

[0006] The power device includes a motor and a rotating disk; the motor is mounted on the vehicle frame, and the rotating disk is connected to the rotating shaft of the motor; an annular groove is provided on the circumference of the rotating disk with the rotating shaft as the axis, and a plurality of latching teeth are arranged around the center of the rotating shaft on the inner wall of the annular groove;

[0007] The curved feeding track is connected to the vehicle frame and receives the steel bars pushed by the rotating disk; a track groove is provided in the curved feeding track, and the track groove extends obliquely upward to the vehicle frame and is curved.

[0008] Furthermore, a limiting member is connected to the curved feeding track; the limiting member is located above the notch of the track groove.

[0009] Furthermore, an escape opening is formed between the limiting member and the side wall of the curved feeding track.

[0010] Furthermore, the two opposite inner walls of the annular groove are respectively provided with latching teeth, and the latching teeth on the two inner walls correspond to each other one by one. The side of the latching teeth away from the inner wall is provided with a first inclined surface, and the distance between the first inclined surfaces of the two opposite latching teeth gradually increases in the direction away from the center of the rotating shaft.

[0011] Furthermore, it also includes a clamping device; the clamping device includes a rotating arm and a clamping wheel, the rotating arm is rotatably mounted on the frame; the clamping wheel is located above the rotating disk, and the steel bar passes between the clamping force and the rotating disk.

[0012] Furthermore, the clamping device also includes a driving member; the driving member includes a pressure rod, a first connecting rod and a spring; one side of the pressure rod is hinged to the rotating arm, and the other side is hinged to the first connecting rod, and the first connecting rod is hinged to the frame, so that when the pressure rod is moved down, the rotating arm is driven to rotate in the first direction; the spring is connected to the frame and the first connecting rod respectively, and the spring has an elastic force that drives the first connecting rod to rotate and causes the rotating arm to rotate in the second direction; when the rotating arm rotates in the first direction, the pressure wheel presses the steel bar into the power device, and the first direction is opposite to the second direction.

[0013] Furthermore, a primary power unit and a secondary power unit are respectively installed on the frame; the primary power unit is located obliquely above the secondary power unit, and an inclined transition track is provided between the primary power unit and the secondary power unit.

[0014] Furthermore, a roller and a fixing device are installed at the bottom of the frame; the fixing device includes a support leg and a screw; the frame is provided with a threaded hole passing through the vertical direction, the screw is connected to the frame through the threaded hole, and the support leg is connected to the end of the screw away from the frame.

[0015] Beneficial effects: The utility model provides a tunnel secondary lining steel bar feeding device, which drives the rotating disk to rotate through a power device, so that the steel bars enter the curved feeding track, and bend the steel bars under the shape restriction of the track groove, thereby realizing the feeding and bending operations of the steel bars, greatly reducing the working intensity of the construction workers, and the curved feeding track can transport the steel bars to a certain height and then be pulled by the construction workers, reducing the requirement for the number of construction workers and reducing costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without any creative work.

[0017] Figure 1 This is a schematic diagram of the overall structure of the steel bar bending and feeding device;

[0018] Figure 2 for Figure 1 A magnified schematic diagram of area A in the middle;

[0019] Figure 3 for Figure 1 A magnified schematic diagram of area B in the middle;

[0020] Figure 4 It is a side view of the steel bar bending and feeding device;

[0021] Figure 5 for Figure 1 Schematic diagram of the enlarged area C in the middle.

[0022] Description of reference numerals: 1. frame; 2. primary power unit; 3. curved loading rail; 4. pressing device; 5. secondary power unit;

[0023] 11. Roller; 12. Support foot; 13. Screw;

[0024] 21. Motor; 22. Rotating disk; 23. Annular groove; 24. Gear; 25. First inclined surface;

[0025] 31. Track groove; 32. Limiting member; 33. Bottom wall; 34. Side wall; 35. Escape port;

[0026] 41. Rotating arm; 42. Pressure wheel; 43. Pressure rod; 44. First connecting rod; 45. Spring. DETAILED DESCRIPTION

[0027] To make the above-mentioned objects, features, and advantages of the present application more clearly understood, the specific embodiments of the present application are described in detail below with reference to the accompanying drawings. The following description sets forth many specific details to facilitate a full understanding of the present application. However, the present application can be implemented in many other ways than those described herein, and those skilled in the art can make similar improvements without violating the scope of the present application. Therefore, the present application is not limited to the specific embodiments disclosed below.

[0028] In the description of the present application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present application.

[0029] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of the technical features being referred to. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of such features. Throughout the description of this application, "plurality" means at least two, for example, two, three, etc., unless otherwise specifically defined.

[0030] In this application, unless otherwise specified or limited, the terms "installed," "connected," "connect," "fixed," etc. should be understood in a broad sense. For example, they can refer to fixed connection, detachable connection, or integration; mechanical connection or electrical connection; direct connection or indirect connection through an intermediate medium; internal communication between two elements or interaction between two elements, unless otherwise specified. Those skilled in the art will understand the specific meanings of the above terms in this application based on specific circumstances.

[0031] In this application, unless otherwise expressly specified or limited, when a first feature is "above" or "below" a second feature, it may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Furthermore, when a first feature is "above," "above," or "above" a second feature, it may mean that the first feature is directly above or diagonally above the second feature, or simply means that the first feature is at a higher level than the second feature. When a first feature is "below," "below," or "below" a second feature, it may mean that the first feature is directly below or diagonally below the second feature, or simply means that the first feature is at a lower level than the second feature.

[0032] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it may be directly on the other element or there may be an intermediate element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be an intermediate element. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and similar expressions used herein are for illustrative purposes only and do not represent the only implementation methods.

[0033] Example

[0034] Reference Figure 1 and Figure 4 As shown, this embodiment provides a tunnel secondary lining steel bar feeding device, including a frame 1, a power device and a curved feeding track 3. Figure 2 As shown, the power unit includes a motor 21 and a rotating disk 22. The motor 21 is mounted on the vehicle frame 1, and the rotating disk 22 is connected to the rotating shaft of the motor 21, driven by the motor 21 to rotate. An annular groove 23 is formed around the rotating shaft of the rotating disk 22, and the inner wall of the annular groove 23 is provided with a plurality of latching teeth 24 arranged around the center of the rotating shaft. By providing the latching teeth 24 within the annular groove 23, when pushing rebar, the latching teeth 24 contact the threaded structure on the surface of the rebar, causing the rotating disk 22 to rotate, thereby driving the rebar and pushing the rebar.

[0035] The curved feeding track 3 is connected to the frame 1 and is close to the rotating disk 22 to receive the steel bars pushed by the rotating disk 22; a track groove 31 is provided in the curved feeding track 3, and the track groove 31 extends obliquely upward to the frame 1 and is curved.

[0036] The present embodiment provides a tunnel secondary lining steel bar feeding device, which drives the rotating disk 22 to rotate by a power device, so that the steel bars enter the curved feeding track 3, and are bent under the shape restriction of the track groove 31, thereby realizing the feeding and bending operations of the steel bars, greatly reducing the working intensity of the construction workers, and the curved feeding track 3 can be used to transport the steel bars to a certain height and then be pulled by the construction workers, thereby reducing the requirement for the number of construction workers and reducing costs.

[0037] Specifically, refer to Figure 3 As shown, a limiting member 32 is connected to the curved feeding track 3; the limiting member 32 is located above the notch of the track groove 31. During the pushing process of the steel bar, the limiting member 32 limits the steel bar from escaping from the notch of the track groove 31.

[0038] Specifically, the curved feeding track 3 comprises a bottom wall 33 and two side walls 34, which together form a track groove 31 with an open top. The stopper 32 is connected to one side wall 34 via a bracket, forming an escapement 35 between the stopper and the other side wall 34. Once the rebar is bent and fed, i.e., after the rebar is pushed from one end of the tunnel profile to the other, some rebar remains within the track groove 31. This portion of rebar can be separated from the curved feeding track 3 by passing through the escapement 35.

[0039] Specifically, the annular groove 23 has two opposing inner walls each provided with a latching tooth 24, with the latching teeth 24 corresponding to each other. A first inclined surface 25 is provided on the side of the latching teeth 24 facing away from the inner wall. The spacing between the first inclined surfaces 25 of the two opposing latching teeth 24 gradually increases as they move away from the center of the rotating shaft. In other words, the spacing between the two opposing latching teeth 24 gradually increases as they move away from the center of the rotating shaft. When the rebar is pressed down to the bottom of the annular groove 23, the threads on the rebar abut against the latching teeth 24, and the rotating disk 22 rotates to push the rebar. When the rebar leaves the bottom of the annular groove 23, the threads on the rebar no longer abut against the latching teeth 24, and therefore, the rotating disk 22 no longer pushes the rebar when it rotates.

[0040] Specifically, continue to refer to Figure 2 As shown, it also includes a clamping device 4; the clamping device 4 includes a rotating arm 41 and a clamping wheel 42, and the rotating arm 41 is rotatably mounted on the frame 1; the clamping wheel 42 is located above the rotating disk 22, and the steel bar passes between the clamping force and the rotating disk 22.

[0041] Specifically, the clamping device 4 also includes a driving member; the driving member includes a pressure rod 43, a first connecting rod 44 and a spring 45; one side of the pressure rod 43 is hinged to the rotating arm 41, and the other side is hinged to the first connecting rod 44, and the first connecting rod 44 is hinged to the frame 1, so that when the pressure rod 43 is moved down, the rotating arm 41 is driven to rotate in the first direction; the spring 45 is respectively connected to the frame 1 and the first connecting rod 44, and the spring 45 has an elastic force that drives the first connecting rod 44 to rotate and causes the rotating arm 41 to rotate in the second direction; when the rotating arm 41 rotates in the first direction, the pressure wheel 42 presses the steel bar into the power device, and the first direction is opposite to the second direction.

[0042] Therefore, when the construction worker lifts the pressure rod 43 upward, the first connecting rod 44 and the rotating arm 41 cooperate to rotate the rotating arm 41 in the first direction, so that the pressure wheel 42 presses the steel bar into the annular groove 23. The spring 45 is connected to the frame 1 and the first connecting rod 44, respectively. When the pressure rod 43 is lifted, the first connecting rod 44 rotates accordingly, thereby stretching the spring 45, causing the spring 45 to store energy, so that the spring 45 has the elastic force to rotate the first connecting rod 44 in the opposite direction. In other words, the spring 45 has the elastic force to drive the first connecting rod 44 to rotate and rotate the rotating arm 41 in the second direction. When the construction worker releases the pressure rod 43, the steel bar recovers its deformation at the rotating disk 22 and moves upward. Due to the increase in the spacing component between the first inclined surfaces 25 of the two opposing latches 24, the thread of the steel bar no longer abuts against the latches 24, making it impossible for the rotating disk 22 to push the steel bar to move.

[0043] During the steel bar pushing process, ground construction workers can flexibly control the stopping and starting of the steel bar pushing through the pressure rod 43, thereby avoiding the occurrence of accidents.

[0044] Specifically, the frame 1 is mounted with a primary power unit 2 and a secondary power unit 5. The primary power unit 2 is located diagonally above the secondary power unit 5, and an inclined transition track is provided between the primary power unit 2 and the secondary power unit 5. The two power units, at different heights and positions, can better drive the movement of the rebar and ensure the stability of the rebar movement during the pushing process.

[0045] Specifically, refer to Figure 5As shown, the bottom of the frame 1 is mounted with rollers 11 and a fixing device; the fixing device includes a support leg 12 and a screw rod 13. The frame 1 is provided with a threaded hole extending vertically, through which the screw rod 13 is connected to the frame 1. The support leg 12 is connected to the end of the screw rod 13 away from the frame 1. The height of the support leg 12 can be adjusted by rotating the screw rod 13. When movement is required, the support leg 12 is moved upward, supported by the rollers 11, and the frame 1 can be moved to the corresponding work location. When performing steel bar bending and loading operations, the support leg 12 is moved downward, supported by the support leg 12, and the frame 1 is kept fixed in position.

[0046] The technical features of the above-mentioned embodiments can be combined arbitrarily. In order to make the description concise, not all possible combinations of the technical features in the above-mentioned embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0047] The above-described embodiments merely represent several implementation methods of the present application. While the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the patent application. It should be noted that a person of ordinary skill in the art may make various modifications and improvements without departing from the spirit of the present application, and these modifications and improvements fall within the scope of protection of the present application. Therefore, the scope of protection of the present patent application shall be determined by the appended claims.

Claims

1. A tunnel secondary lining steel bar feeding device, characterized in that: include: Frame; The power device includes a motor and a rotating disk; the motor is mounted on the vehicle frame, and the rotating disk is connected to the rotating shaft of the motor; an annular groove is provided on the circumference of the rotating disk with the rotating shaft as the axis, and a plurality of latching teeth are arranged around the center of the rotating shaft on the inner wall of the annular groove; The curved feeding track is connected to the vehicle frame and receives the steel bars pushed by the rotating disk; a track groove is provided in the curved feeding track, and the track groove extends obliquely upward to the vehicle frame and is curved.

2. A tunnel secondary lining steel bar feeding device according to claim 1, characterized in that: A limiting piece is connected to the curved feeding track; the limiting piece is located above the notch of the track groove.

3. A tunnel secondary lining steel bar feeding device according to claim 2, characterized in that: An escape opening is formed between the limiting member and the side wall of the curved feeding track.

4. A tunnel secondary lining steel bar feeding device according to claim 1, characterized in that: The two opposite inner walls of the annular groove are respectively provided with latching teeth, and the latching teeth on the two inner walls correspond to each other. A first inclined surface is provided on the side of the latching teeth away from the inner wall, and the distance between the first inclined surfaces of the two opposite latching teeth gradually increases in the direction away from the center of the rotating shaft.

5. A tunnel secondary lining steel bar feeding device according to claim 4, characterized in that: It also includes a clamping device; the clamping device includes a rotating arm and a clamping wheel, the rotating arm is rotatably mounted on the frame; the clamping wheel is located above the rotating disk, and the steel bar passes between the clamping arm and the rotating disk.

6. A tunnel secondary lining steel bar feeding device according to claim 5, characterized in that: The clamping device also includes a driving member; the driving member includes a pressure rod, a first connecting rod and a spring; one side of the pressure rod is hinged to the rotating arm, and the other side is hinged to the first connecting rod, and the first connecting rod is hinged to the frame, so that when the pressure rod is moved down, the rotating arm is driven to rotate in the first direction; the spring is connected to the frame and the first connecting rod respectively, and the spring has an elastic force that drives the first connecting rod to rotate and causes the rotating arm to rotate in the second direction; when the rotating arm rotates in the first direction, the pressure wheel presses the steel bar into the power device, and the first direction is opposite to the second direction.

7. A tunnel secondary lining steel bar feeding device according to claim 1, characterized in that: A primary power unit and a secondary power unit are respectively installed on the vehicle frame; the primary power unit is located obliquely above the secondary power unit, and an inclined transition track is provided between the primary power unit and the secondary power unit.

8. A tunnel secondary lining steel bar feeding device according to claim 1, characterized in that: A roller and a fixing device are installed at the bottom of the frame; the fixing device includes a support leg and a screw rod; a threaded hole is provided on the frame that passes through the vertical direction, the screw rod is connected to the frame through the threaded hole, and the support leg is connected to the end of the screw rod away from the frame.

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