Tunnel grating lagging jack machining and positioning device

Abstract

The utility model belongs to the technical field of tunnel grating lagging jacks, and particularly relates to a tunnel grating lagging jack machining and positioning device which comprises a workbench, a supporting block is fixedly connected to the left side of the workbench, a first motor is fixedly connected to the top end of the supporting block, and a rotating shaft is fixedly connected to the driving end of the first motor. Driving bevel gears are fixedly connected to the exteriors of the rotating shafts, threaded rods are rotationally connected to the top ends of the left side and the right side of the workbench correspondingly, driven bevel gears are fixedly connected to the bottom ends of the two threaded rods correspondingly, and external teeth of the two driven bevel gears are in meshed connection with external teeth of the two driving bevel gears; and the outer parts of the two threaded rods are in threaded connection with a pressing plate. Through the first motor, the rotating shaft, the driving bevel gear, the driven bevel gear, the threaded rod, the pressing plate, the rubber plate, the fixing plate, the arc-shaped groove and the arch frame, damage to the surface of the arch frame caused by hard contact is avoided, and therefore positioning work of the arch frame on the fixing plate is completed.

Description

TECHNICAL FIELD

[0001] The utility model relates to tunnel grating arch frame technical field, concretely is a kind of tunnel grating arch frame processing positioning device. BACKGROUND

[0002] In order to adapt to complex geological conditions and improve the efficiency and quality of tunnel construction, construction technology is constantly innovated. Among them, grating arch frame as a commonly used supporting structure plays a crucial role in tunnel construction. It can provide support force in time after tunnel excavation, prevent excessive deformation and collapse of surrounding rock, and ensure construction safety.

[0003] The prior art has the following defects or problems: the prior art with publication number CN222095167U discloses a tunnel grating arch frame processing positioning device, an arc-shaped mounting area is provided on the fixed base, counterweight placement areas are provided on the opposite sides of the arc-shaped mounting area, a first end portion limiting frame is vertically provided at one end portion of the arc-shaped mounting area, a second end portion limiting frame is vertically provided at the other end portion of the arc-shaped mounting area, a plurality of vertical positioning members are arranged at equal intervals along the length direction of the arc-shaped mounting area, and upper and lower limiting members for limiting the main reinforcement of the grating arch frame are provided on the vertical positioning members. The tunnel grating arch frame processing positioning device provided by the utility model has the advantages of simple structure, high production efficiency, reduced worker work intensity, small production error, and avoidance of arch frame processing size deviation and deformation.

[0004] The above-mentioned device is difficult to fix the arch frame during use, which can cause the carrying capacity of the tunnel supporting structure to decrease, cannot effectively control the deformation and displacement of the surrounding rock, and affects the stability of the tunnel. However, in the prior art, some tunnel grating arch frame processing positioning devices are difficult to clean the arch frame, which can cause dust, oil stains, rust and other impurities to adhere to the surface of the steel bar. These impurities can affect the bonding force between the steel bar and the concrete, reduce the overall strength and stability of the arch frame.

[0005] It should be noted that the above content belongs to the technical cognition range of the inventor and does not necessarily constitute prior art. UTILITY MODEL CONTENT

[0006] In view of the deficiencies of the prior art, the utility model provides a tunnel grating arch frame processing positioning device to solve the existing problems.

[0007] To achieve the above object, the utility model provides the following technical scheme: A tunnel grating arch frame processing positioning device, including the workbench, the left side fixed connection of workbench has the support block, the top fixed connection of support block has motor no.

[0008] As a preferred technical scheme of the utility model, the cleaning assembly includes a concave plate, the right side fixed connection of the concave plate has the protection box, the inside fixed connection of protection box has motor no.

[0009] As a preferred technical scheme of the utility model, the outside rotation of the shaft is connected in the left and right two sides inner wall of the workbench, the bottom inner wall of the rubber plate is in contact with the arch frame positioning top.

[0010] As a preferred technical scheme of the utility model, the bottom fixed connection of the fixed plate is in the top of the workbench, the top of the pressing plate is in contact with the bottom of two limit blocks.

[0011] As a preferred technical scheme of the utility model, the outside of two screw rods is respectively screw -threaded in the left and right two sides inner wall of the pressing plate.

[0012] As a preferred technical scheme of the utility model, the bottom fixed connection of the concave plate is in the rear top of the workbench, the outside rotation of the connecting rod is connected in the right side inner wall of the concave plate.

[0013] As a preferred technical scheme of the utility model, the right side outside fixed connection of the gas pipe is in the left side inner wall of the rotating rod, and the rear side outside fixed connection of multiple spray heads is in the front side inner wall of the pipeline.

[0014] Compared with the prior art, the tunnel grating arch processing positioning device has the following beneficial effects:

[0015] 1. A tunnel grating arch processing positioning device, by setting motor one, shaft, driving bevel gear, driven bevel gear, threaded rod, pressing plate, rubber plate, fixed plate, arc-shaped groove, arch, start motor one, motor one drives the rotation of the shaft, the rotation of the shaft makes the driving bevel gear fixed on the outside thereof rotate, the rotation of the driving bevel gear drives the rotation of the driven bevel gear, and the driven bevel gear is fixed at the bottom of the threaded rod, so the threaded rod rotates, the rotation of the threaded rod makes the pressing plate move up and down along the threaded rod, when the pressing plate moves downward, the rubber plate fixed at the bottom of the pressing plate gradually approaches the arch placed in the arc-shaped groove of the fixed plate, until the bottom end of the rubber plate is in close contact with the top end of the arch, which can not only exert pressure on the arch to play a fixing role, but also avoid damage to the surface of the arch caused by hard contact, thereby completing the positioning work of the arch on the fixed plate.

[0016] 2. A tunnel grating arch processing positioning device, by setting motor two, connecting rod, pipeline, air pump, gas pipe, nozzle, starting motor two, its driving end drives the rotation of the connecting rod, so that the pipeline makes circular motion around the axis of the connecting rod; at the same time, start the air pump, the air pump compresses air and outputs through the gas pipe, after the compressed air enters the pipeline, it is sprayed out through the multiple nozzles fixed on the front side, thereby enabling the airflow to blow the surface of the arch placed in the arc-shaped groove of the fixed plate in all directions, blowing the dust, impurities and the like on the surface of the arch away from the surface of the arch, thereby realizing the cleaning of the surface of the arch. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a three-dimensional structure schematic diagram of the utility model;

[0018] Figure 2 It is a shaft structure schematic diagram of the utility model;

[0019] Figure 3 It is a fixed plate structure schematic diagram of the utility model;

[0020] Figure 4 It is a concave plate structure schematic diagram of the utility model.

[0021] In the drawing: 1, workbench; 2, supporting block; 3, motor one; 4, shaft; 5, driving bevel gear; 6, driven bevel gear; 7, threaded rod; 8, limiting block; 9, pressing plate; 10, rubber plate; 11, fixed plate; 12, arc-shaped groove; 13, arch; 14, concave plate; 15, protection box; 16, motor two; 17, connecting rod; 18, pipeline; 19, rotating rod; 20, air pump; 21, gas pipe; 22, nozzle. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0023] Embodiment one

[0024] Please refer to Figures 1-4 In the embodiment, a tunnel grating arch processing and positioning device comprises a workbench 1, a support block 2 is fixedly connected to the left side of the workbench 1, a motor one 3 is fixedly connected to the top end of the support block 2, a rotating shaft 4 is fixedly connected to the driving end of the motor one 3, the rotating shaft 4 is rotatably connected to the inner walls on the left and right sides of the workbench 1, a driving bevel gear 5 is fixedly connected to the outer part of the rotating shaft 4, two threaded rods 7 are rotatably connected to the top ends on the left and right sides of the workbench 1, the outer parts of the two threaded rods 7 are threadedly connected to the inner walls on the left and right sides of a pressing plate 9, two driven bevel gears 6 are fixedly connected to the bottom ends of the two threaded rods 7, the outer teeth of the two driven bevel gears 6 are in meshing connection with the outer teeth of the two driving bevel gears 5, the pressing plate 9 is threadedly connected to the outer parts of the two threaded rods 7, the top end of the pressing plate 9 is in contact with the bottom ends of two limiting blocks 8, the top ends of the two threaded rods 7 are fixedly connected with the limiting blocks 8, the bottom end of the pressing plate 9 is fixedly connected with a rubber plate 10, the inner wall of the bottom end of the rubber plate 10 is in contact with the positioning top end of an arch 13, a fixed plate 11 is fixedly connected to the top end of the workbench 1, the bottom end of the fixed plate 11 is fixedly connected to the top end of the workbench 1, an arc-shaped groove 12 is formed in the top end of the fixed plate 11, the arch 13 is arranged in the arc-shaped groove 12, and a cleaning assembly is arranged at the top end of the rear side of the workbench 1.

[0025] In the embodiment, the workbench 1 is a basic support structure. The support block 2 is fixed to the left side of the workbench 1, the motor one 3 is installed on the support block 2, and the motor one 3 transmits power by driving the rotating shaft 4. The rotating shaft 4 penetrates the inner walls on the left and right sides of the workbench 1 and can rotate, and the driving bevel gear 5 is fixed on the rotating shaft 4. The threaded rods 7 are rotatably connected to the top ends on the left and right sides of the workbench 1, the driven bevel gears 6 are connected to the bottom parts of the threaded rods 7, and the driven bevel gears 6 are in meshing connection with the driving bevel gears 5. The pressing plate 9 is connected to the two threaded rods 7 through threads, the top part of the pressing plate 9 is in contact with the limiting blocks 8, and the bottom part of the pressing plate 9 is fixedly connected with the rubber plate 10. The fixed plate 11 is further arranged on the workbench 1, the arc-shaped groove 12 is formed in the top end of the fixed plate 11, and the arch 13 is arranged in the arc-shaped groove 12.

[0026] Embodiment two

[0027] As Figure 1 - Figure 4As shown, the cleaning assembly comprises a concave plate 14, the bottom end of which is fixedly connected to the rear top end of the workbench 1, the right side of the concave plate 14 is fixedly connected with a protection box 15, the inside of the protection box 15 is fixedly connected with a motor two 16, the driving end of the motor two 16 is fixedly connected with a connecting rod 17, the outside of the connecting rod 17 is rotatably connected to the right side inner wall of the concave plate 14, the left side of the connecting rod 17 is fixedly connected with a pipeline 18, the left side of the pipeline 18 is rotatably connected with a rotating rod 19, the rear top end of the workbench 1 is fixedly connected with an air pump 20, the output end of the air pump 20 is fixedly connected with a gas conveying pipe 21, the right side outside of the gas conveying pipe 21 is fixedly connected to the left side inner wall of the rotating rod 19, the front side of the pipeline 18 is fixedly connected with a plurality of spray heads 22, and the rear side outside of the plurality of spray heads 22 is fixedly connected to the front side inner wall of the pipeline 18.

[0028] In this embodiment, when the arch 13 is positioned, the motor two 16 is started. The motor two 16 is located in the protection box 15, and its driving end drives the connecting rod 17 to rotate. Since the connecting rod 17 is rotatably connected to the right side inner wall of the concave plate 14, the connecting rod 17 can stably drive the pipeline 18 connected thereto to make circular motion around the axis of the connecting rod 17; at the same time, the air pump 20 is started. The air pump 20 compresses air and outputs it through the gas conveying pipe 21. The gas conveying pipe 21 is connected to the left side inner wall of the rotating rod 19, which is rotatably connected with the pipeline 18, so that even if the pipeline 18 rotates under the drive of the motor two 16, the gas conveying pipe 21 can continuously and stably convey compressed air to the pipeline 18. After the compressed air enters the pipeline 18, it is sprayed out through the plurality of spray heads 22 fixedly arranged in front. Since the pipeline 18 makes circular motion under the drive of the motor two 16, the airflow sprayed out by the spray heads 22 can blow and wipe the surface of the arch 13 placed in the arc-shaped groove 12 of the fixed plate 11 in all directions, blowing the dust, impurities and the like on the surface of the arch 13 away from the surface of the arch 13, so as to realize the cleaning of the surface of the arch 13.

[0029] The working principle and use process of the utility model are as follows: starting motor 3, motor 3 drives rotating shaft 4 to rotate, rotating shaft 4 rotates to make driving bevel gear 5 fixed on its outside rotate together, the rotation of driving bevel gear 5 will drive driven bevel gear 6 to rotate, and driven bevel gear 6 is fixed at the bottom of threaded rod 7, so threaded rod 7 will rotate, the rotation of threaded rod 7 will make pressing plate 9 move up and down along threaded rod 7.When pressing plate 9 moves downward, rubber plate 10 fixed at the bottom of pressing plate 9 will gradually approach arch frame 13 placed in the arc-shaped groove 12 of fixed plate 11, until the bottom end of rubber plate 10 and the top end of arch frame 13 are in close contact, so as to complete the positioning work of arch frame 13 on fixed plate 11.When arch frame 13 is positioned, start motor 16, motor 16 is located in protection box 15, and its driving end drives connecting rod 17 to rotate, connecting rod 17 can stably drive pipeline 18 connected thereto to make circular motion around the axis of connecting rod 17, at the same time, start air pump 20, air pump 20 compresses air and outputs through gas pipe 21, after compressed air enters pipeline 18, it is sprayed out through multiple spray heads 22 fixed in front, since pipeline 18 makes circular motion under the drive of motor 16, the airflow sprayed out by spray head 22 can blow the surface of arch frame 13 placed in the arc-shaped groove 12 of fixed plate 11 in all directions, blow the dust, impurities and the like on the surface of arch frame 13 away from the surface of arch frame 13, so as to realize the cleaning of the surface of arch frame 13.

[0030] Finally, it should be pointed out that: the above only for the preferred embodiments of the utility model, and does not limit the utility model, although the utility model is described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing each embodiment, or equivalent replacement to part of technical features. Any modification, equivalent replacement, improvement etc. made within the spirit and principles of the utility model, should be included in the protection scope of the utility model.

Claims

1. A tunnel grid arch frame processing and positioning device, characterized in that: The utility model provides a kind of cleaning device for workbench, including workbench (1), the left side of the workbench (1) is fixedly connected with support block (2), the top of the support block (2) is fixedly connected with motor one (3), the drive end of the motor one (3) is fixedly connected with rotating shaft (4), the outside of the rotating shaft (4) is fixedly connected with driving bevel gear (5), the top of the left and right sides of the workbench (1) is rotatably connected with threaded rod (7) respectively, the bottom of two the threaded rod (7) is fixedly connected with driven bevel gear (6), the outside teeth of two the driven bevel gear (6) and two the outside teeth of driving bevel gear (5) are meshing connection, the outside of two the threaded rod (7) is fixedly connected with pressing plate (9) with screw thread, the top of two the threaded rod (7) is fixedly connected with limit block (8) respectively, the bottom of the pressing plate (9) is fixedly connected with rubber plate (10), the top of the workbench (1) is fixedly connected with fixed plate (11), the top of the fixed plate (11) is provided with arc slot (12), with the inside of arc slot (12) is provided with arch (13), the rear top of the workbench (1) is provided with cleaning assembly.

2. The tunnel grid arch processing and positioning device of claim 1, wherein: The cleaning assembly includes concave plate (14), the right side of the concave plate (14) is fixedly connected with protection box (15), the inside of the protection box (15) is fixedly connected with motor two (16), the drive end of the motor two (16) is fixedly connected with connecting rod (17), the left side of the connecting rod (17) is fixedly connected with pipeline (18), the left side of the pipeline (18) is rotatably connected with rotating rod (19), the rear top of the workbench (1) is fixedly connected with air pump (20), the output end of the air pump (20) is fixedly connected with gas delivery pipe (21), the front side of the pipeline (18) is fixedly connected with multiple spray heads (22).

3. The tunnel grid arch processing and positioning device of claim 1, wherein: The outside of the rotating shaft (4) is rotatably connected in the left and right side inner wall of the workbench (1), the bottom end inner wall of the rubber plate (10) is in contact with the positioning top of the arch (13).

4. The tunnel grid arch processing and positioning device of claim 1, wherein: The bottom of the fixed plate (11) is fixedly connected in the top of the workbench (1), the top of the pressing plate (9) is in contact with the bottom of two the limit block (8).

5. The tunnel grid arch processing and positioning device of claim 1, wherein: The outside of two the threaded rod (7) is fixedly connected in the left and right side inner wall of the pressing plate (9) with screw thread.

6. The tunnel grid arch processing and positioning device of claim 2, wherein: The bottom of the concave plate (14) is fixedly connected in the rear top of the workbench (1), the outside of the connecting rod (17) is rotatably connected in the right side inner wall of the concave plate (14).

7. The tunnel grid arch processing and positioning device of claim 2, wherein: The right side outside of the gas delivery pipe (21) is fixedly connected in the left side inner wall of the rotating rod (19), the rear side outside of multiple the spray heads (22) is fixedly connected in the front side inner wall of the pipeline (18).

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