Hard ventilator for tunnel ventilation through secondary lining trolley

Abstract

The utility model belongs to the field of ventilators, particularly relates to a hard ventilator for a tunnel ventilation secondary lining passing trolley, and aims to solve the problems that an existing hard ventilator is poor in dustproof effect when in use, strenuous in angle adjustment and inconvenient to adjust according to tunnel conditions, and the use effect is greatly reduced. The device comprises a mounting plate, a plurality of mounting holes are formed in the mounting plate, two vertical plates are symmetrically and fixedly mounted at the top of the mounting plate, rotating rods are rotatably mounted on the two vertical plates, a same barrel is fixedly mounted on the two rotating rods, a connecting device is fixedly mounted on the two rotating rods, and a fixing device is slidably mounted on the two vertical plates. When in use, the dustproof effect is good, the angle can be adjusted in a labor-saving mode, adjustment can be conveniently carried out according to the condition of a tunnel, and the use effect is greatly improved.

Description

Technical Field

[0001] The utility model relates to the technical field of ventilators, in particular to a hard ventilator used for tunnel ventilation through a secondary lining trolley. Background Art

[0002] The secondary lining trolley is a special equipment used in tunnel construction. It is mainly used to transport and install tunnel secondary lining materials, such as steel mesh, sprayed anchors, etc. When in use, it often needs to be used in conjunction with a hard ventilator for ventilation.

[0003] However, the existing hard ventilators have poor dustproof effect during use, and it is laborious to adjust the angle, which is not convenient to adjust according to the tunnel conditions, thus greatly reducing the use effect. Utility Model Content

[0004] The utility model aims to solve the problems that the existing hard ventilators have poor dustproof effect when in use, are laborious to adjust the angle, are inconvenient to adjust according to the tunnel conditions, and greatly reduce the shortcomings of the use effect, and proposes a hard ventilator for tunnel ventilation through the second lining trolley.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A hard ventilation duct for tunnel ventilation through a second lining trolley comprises a mounting plate, a plurality of mounting holes are opened on the mounting plate, two vertical plates are symmetrically fixedly mounted on the top of the mounting plate, rotating rods are rotatably mounted on the two vertical plates, the same cylinder is fixedly mounted on the two rotating rods, connecting devices are fixedly mounted on the two rotating rods, fixing devices are slidably mounted on the two vertical plates, a placing frame is fixedly mounted on one side of the cylinder, a clamping device is slidably mounted on the placing frame, a driving device is movably mounted on the placing frame, an auxiliary cover is fixedly mounted on the other side of the cylinder, and an auxiliary pipe is fixedly mounted on the auxiliary cover.

[0007] Preferably, the connecting device comprises two gears, and the two gears are fixedly mounted on two rotating rods respectively.

[0008] Preferably, the fixing device comprises two slides, two handles and two clamping rods, the two slides are slidably mounted on the two vertical plates respectively, the two handles are fixedly mounted on the two slides respectively, and the two clamping rods are fixedly mounted on the top of the two slides respectively.

[0009] Preferably, the two vertical plates are provided with sliding grooves, limit rods are fixedly installed in the two sliding grooves, the two slide plates are slidably installed on the two limit rods, and compression springs are fixedly installed in the two sliding grooves. The two compression springs are fixedly connected to the two slide plates respectively.

[0010] Preferably, the clamping device includes two clamping blocks, which are symmetrically slidably installed in the placement rack, and the driving device includes two screws and two knobs, which are symmetrically threadedly installed on the placement rack, the two screws are respectively rotatably connected to the two clamping blocks, and the two knobs are respectively fixedly installed on the two screws.

[0011] In the utility model, the beneficial effects of the hard ventilator used for tunnel ventilation through the second lining trolley are:

[0012] (1) In this solution, since a mounting plate, mounting holes, a vertical plate, a rotating rod, a cylinder, a gear, a slide groove, a limiting rod, a slide plate, a compression spring, a handle, and a clamping rod are provided, after the device is installed through the mounting holes on the mounting plate, the two handles can be pulled, the two handles drive the two slide plates to move, and the two slide plates drive the two clamping rods to move, so that the restriction can be released, and the cylinder can be rotated to adjust the angle, which is convenient and labor-saving to use;

[0013] (2) Since the present solution is provided with a placement rack, a clamping block, a screw rod, and a knob, the dust screen can be placed in the placement rack. By rotating the screw rod, the two clamping blocks can be driven to move, thereby fixing the dust screen.

[0014] The utility model has good dustproof effect when in use, saves effort in adjusting the angle, is easy to adjust according to the tunnel conditions, and greatly improves the use effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a structural schematic diagram of a hard ventilator for tunnel ventilation through a secondary lining trolley proposed by the utility model;

[0016] Figure 2 It is a side view structural schematic diagram of a hard ventilator mounting plate, a vertical plate, etc. for a tunnel ventilation secondary lining trolley proposed by the utility model;

[0017] Figure 3 The utility model proposes a hard ventilator for tunnel ventilation through the second lining trolley Figure 2 Schematic diagram of the enlarged structure of part A.

[0018] In the figure: 1. mounting plate; 2. mounting hole; 3. vertical plate; 4. rotating rod; 5. cylinder; 6. gear; 7. slide groove; 8. limit rod; 9. slide plate; 10. compression spring; 11. handle; 12. clamping rod; 13. placement rack; 14. clamping block; 15. screw rod; 16. knob; 17. auxiliary cover; 18. auxiliary tube. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0020] Embodiment 1

[0021] Reference Figure 1-Figure 3 A hard ventilation duct for tunnel ventilation through a second lining trolley comprises a mounting plate 1, a plurality of mounting holes 2 are opened on the mounting plate 1, two vertical plates 3 are symmetrically fixedly mounted on the top of the mounting plate 1, rotating rods 4 are rotatably mounted on the two vertical plates 3, the same cylinder 5 is fixedly mounted on the two rotating rods 4, a connecting device is fixedly mounted on the two rotating rods 4, a fixing device is slidably mounted on the two vertical plates 3, a placing frame 13 is fixedly mounted on one side of the cylinder 5, a clamping device is slidably mounted on the placing frame 13, a driving device is movably mounted on the placing frame 13, an auxiliary cover 17 is fixedly mounted on the other side of the cylinder 5, and an auxiliary pipe 18 is fixedly mounted on the auxiliary cover 17.

[0022] In the utility model, the connecting device includes two gears 6, and the two gears 6 are respectively fixedly mounted on the two rotating rods 4, so as to be connected and fixed.

[0023] In the utility model, the fixing device includes two slides 9, two handles 11 and two clamping rods 12. The two slides 9 are respectively slidably mounted on the two vertical plates 3, the two handles 11 are respectively fixedly mounted on the two slides 9, and the two clamping rods 12 are respectively fixedly mounted on the top of the two slides 9, and can cooperate with the gear 6 to limit and fix the rotating rod 4.

[0024] In the utility model, two vertical plates 3 are provided with sliding grooves 7, and limit rods 8 are fixedly installed in the two sliding grooves 7. Two slide plates 9 are respectively slidably installed on the two limit rods 8. Compression springs 10 are fixedly installed in the two sliding grooves 7. The two compression springs 10 are respectively fixedly connected to the two slide plates 9, ensuring the stable movement of the two slide plates 9 and allowing the two slide plates 9 to be reset when there is no pulling force.

[0025] In the utility model, the clamping device includes two clamping blocks 14, which are symmetrically slidably installed in the placement frame 13, and the driving device includes two screw rods 15 and two knobs 16. The two screw rods 15 are symmetrically threadedly installed on the placement frame 13, and the two screw rods 15 are respectively rotatably connected to the two clamping blocks 14. The two knobs 16 are respectively fixedly installed on the two screw rods 15, and the clamping blocks 14 can be driven to move by the screw rods 15.

[0026] In the utility model, when using the device, the dustproof screen plate can be placed in the placement frame 13, and then the two screws 15 are rotated, and the two screws 15 drive the two clamping blocks 14 to move, so that the dustproof screen plate can be fixed. After fixation, the device is installed in a suitable position through the mounting hole 2 on the mounting plate 1. After installation, when the angle needs to be adjusted, hold the two handles 11, and the two handles 11 drive the two slides 9 to move, and the two slides 9 drive the two clamping rods 12 to move, so that the restriction on the rotating rod 4 can be released, and then the angle of the cylinder 5 can be adjusted. After adjustment, the slide 9 is reset and the cylinder 5 can continue to be fixed.

[0027] Embodiment 2

[0028] The difference between this embodiment and the first embodiment is that when the device is used, a hose and a fan can be connected through the auxiliary pipe 18 to assist ventilation, and several shock absorbing devices can be installed on the mounting plate 1 to improve the use effect.

[0029] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A rigid ventilator for tunnel ventilation through a secondary lining trolley, comprising a mounting plate (1), characterized in that: The mounting plate (1) is provided with a plurality of mounting holes (2). Two vertical plates (3) are symmetrically fixedly mounted on the top of the mounting plate (1). A rotating rod (4) is rotatably mounted on each of the two vertical plates (3). The same cylinder (5) is fixedly mounted on the two rotating rods (4). A connecting device is fixedly mounted on the two rotating rods (4). A fixing device is slidably mounted on the two vertical plates (3). A placing frame (13) is fixedly mounted on one side of the cylinder (5). A clamping device is slidably mounted on the placing frame (13). A driving device is movably mounted on the placing frame (13). An auxiliary cover (17) is fixedly mounted on the other side of the cylinder (5). An auxiliary pipe (18) is fixedly mounted on the auxiliary cover (17).

2. A hard ventilator for tunnel ventilation through the secondary lining trolley according to claim 1, characterized in that: The connecting device comprises two gears (6), and the two gears (6) are respectively fixedly mounted on the two rotating rods (4).

3. The hard ventilator for tunnel ventilation through the secondary lining trolley according to claim 1 is characterized in that: The fixing device comprises two slide plates (9), two handles (11) and two clamping rods (12); the two slide plates (9) are respectively slidably mounted on the two vertical plates (3); the two handles (11) are respectively fixedly mounted on the two slide plates (9); and the two clamping rods (12) are respectively fixedly mounted on the tops of the two slide plates (9).

4. A hard ventilator for tunnel ventilation through the secondary lining trolley according to claim 3, characterized in that: The two vertical plates (3) are both provided with a slide groove (7), and the two slide grooves (7) are both fixedly installed with a limit rod (8), and the two slide plates (9) are respectively slidably installed on the two limit rods (8).

5. A hard ventilator for tunnel ventilation through a secondary lining trolley according to claim 4, characterized in that: Compression springs (10) are fixedly installed in the two slide grooves (7), and the two compression springs (10) are fixedly connected to the two slide plates (9) respectively.

6. A hard ventilator for tunnel ventilation through a secondary lining trolley according to claim 1, characterized in that: The clamping device comprises two clamping blocks (14), and the two clamping blocks (14) are symmetrically slidably installed in the placement frame (13).

7. A hard ventilator for tunnel ventilation through a secondary lining trolley according to claim 6, characterized in that: The driving device comprises two screw rods (15) and two knobs (16); the two screw rods (15) are symmetrically threadedly mounted on the placement frame (13); the two screw rods (15) are rotatably connected to the two clamping blocks (14) respectively; and the two knobs (16) are fixedly mounted on the two screw rods (15) respectively.

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