Temporary shield device for coal mining construction

Abstract

The utility model provides a temporary shield device for coal mining construction, which comprises a moving frame, moving wheels are arranged at four corners of the bottom of the moving frame, a lifting mechanism and a shield mechanism are arranged above the moving frame, the lifting mechanism comprises a pneumatic liquid injection pump and a single column, and the pneumatic liquid injection pump is connected with the single column through a pipeline. The movable frame is used for providing power for lifting of the single column, the lower end of the single column is fixedly connected to the movable frame, the shielding mechanism comprises a shielding frame and a cleaning part, the bottom of a horizontal plate of the shielding frame is fixedly connected with the upper end of the single column, and a vertical plate of the shielding frame is interactively connected to the movable frame; the movable frame is connected to a horizontal plate of the shield support in a sliding mode, an inserting groove is formed in the top of the movable frame, and a connecting block with a cleaning brush is installed on the inserting groove. The device is simple in structure, high in supporting force and capable of being quickly transferred to a working position, the top of the device can be quickly cleaned after the device is used, and safety of workers and equipment is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of coal mining, concretely relates to a temporary shelter device for coal mining construction. BACKGROUND

[0002] With the development of science and technology, the underground production environment of coal mine is more and more perfect, and the production safety is continuously improved, but due to the complex underground geological environment, the hydraulic support system and anchor rod, anchor net support cannot completely guarantee the production safety, so in some relatively poor geological environment, the workers need to carry out temporary support when working.

[0003] The traditional temporary support needs workers to manually erect, and it is time-consuming and laborious to erect and remove, and it is also easy to be dangerous in the process of disassembling. And the artificial temporary support is often limited in compression resistance, and once the roof rock fragments appear, the difficulty of disassembly will also increase, which brings a lot of uncertain factors and easily causes safety accidents. Therefore, a convenient temporary shelter device is needed to further provide the safety of underground operation and ensure the safety of construction personnel and production equipment. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a temporary shelter device for coal mining construction, which has simple structure, strong supporting force, can be quickly transported to the working position, and can be quickly cleaned up after use, ensuring the safety of workers and equipment.

[0005] To achieve the above purpose, the utility model provides the following technical scheme: a temporary shelter device for coal mining construction, comprising a movable frame, the movable frame bottom four corners are provided with movable wheels, the movable frame top is provided with lifting mechanism and shelter mechanism,

[0006] The movable frame side is integrally provided with a fixed plate, the fixed plate is perpendicular to the movable frame, and two parallel connection rails are fixedly connected on the fixed plate,

[0007] The lifting mechanism comprises a pneumatic liquid injection pump and a single column, the pneumatic liquid injection pump is connected with the single column pipeline, and is used for providing power for the lifting of the single column, and the lower end of the single column is fixedly connected on the movable frame,

[0008] The shelter mechanism comprises a shelter frame and a cleaning part, the shelter frame is an L-shaped plate, the bottom of the horizontal plate of the L-shaped plate is fixedly connected with the upper end of the single column, two longitudinal connecting grooves are arranged on the vertical plate of the L-shaped plate, the connecting grooves are matched with the connecting rails and are used for guiding the shelter frame to move on the fixed plate, the cleaning part comprises a cleaning brush and a moving frame, the moving frame is slidably connected with the horizontal plate of the L-shaped plate, an insertion groove is arranged on the top of the moving frame, a connecting block is arranged on the insertion groove, the cleaning brush is arranged on the lower end of the connecting block, a top plate is arranged on the upper end of the connecting block, and a buffer device is arranged between the top plate and the top of the moving frame.

[0009] Preferably, the buffer device is a damper, a spring or a damper externally sleeved with a spring.

[0010] A wedge-shaped groove is horizontally arranged on one side of the outer wall of the horizontal plate of the shelter frame, a wedge-shaped block is arranged on the moving frame at the position corresponding to the wedge-shaped groove, the wedge-shaped block is matched with the wedge-shaped groove, and the moving frame moves horizontally on the shelter frame along the wedge-shaped groove.

[0011] A guide rail is fixedly arranged on the other side of the outer wall of the horizontal plate of the shelter frame at the position corresponding to the wedge-shaped groove, a control frame is fixedly connected with the lower part of the moving frame at the side corresponding to the guide rail, the lower end of the control frame horizontally extends to below the horizontal plate of the shelter frame, and the control frame is provided with a sliding groove matched with a sliding rail.

[0012] A pneumatic motor is fixedly connected with the bottom surface of the shelter frame, a reciprocating screw rod is arranged on the output end of the pneumatic motor, the reciprocating screw rod is installed on the bottom surface of the horizontal plate of the shelter frame through a bearing seat, the reciprocating screw rod is matched with the control frame, and the moving frame is driven to reciprocate by the pneumatic motor.

[0013] Preferably, two hydraulic telescopic connecting rods are fixedly arranged on the inner side of the moving frame, and the top surfaces of the two hydraulic telescopic connecting rods are fixedly connected with the inner side of the shelter frame.

[0014] Preferably, the top plate is an arc-shaped top.

[0015] The device has the advantages that the device is light in weight, flexible in use, can be quickly moved to a scene in need of use, can be connected with a downhole power air pipe to perform operation, has stable supporting force and high safety, the shelter frame of the device can be cleaned when the device is stored, damage of the shelter frame to construction personnel in the process of storing the device is avoided, and the cleaning mechanism is provided with an elastic top joint, so that damage of the cleaning mechanism after the top joint of the lifting frame is connected is prevented. BRIEF DESCRIPTION OF DRAWINGS

[0016] Fig. 1 It is a structural schematic view of the device;

[0017] Fig. 2 It is a schematic view of a lifting mechanism of the device;

[0018] Fig. 3 is a schematic view of the shelter mechanism of the utility model;

[0019] Fig. 4 is a schematic view of the inside of the shelter mechanism of the utility model;

[0020] Fig. 5 is a schematic view of the utility model Fig. 4 is an enlarged schematic view of the A area in the middle.

[0021] In the figure: 1, a mobile frame; 2, a lifting mechanism; 21, a connecting rail; 22, a pneumatic liquid injection pump; 23, a single column; 25, a hydraulic telescopic connecting rod; 3, a shelter mechanism; 31, a reciprocating screw; 32, a guide rail; 33, a control frame; 34, a pneumatic motor; 35, a mounting plate; 36, a mobile frame; 37, a top plate; 38, a connecting block; 39, a cleaning brush; 310, a wedge-shaped block; 311, a horizontal plate of the shelter frame; 312, a damper; 313, a spring; 4, a mobile wheel. 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, not all the embodiments.

[0023] As Figs. 1-5 shown, a temporary shelter device for coal mining construction, comprising a mobile frame 1, the mobile frame 1 bottom four corners are provided with mobile wheels 4, the mobile wheel 4 is the wheel with locking function that is conventionally used, the mobile frame 1 top is provided with lifting mechanism 2 and shelter mechanism 3.

[0024] The utility model discloses a movable frame 1 front side integral setting is 0.8~1m high fixed plate, and the fixed plate is perpendicular to movable frame 1, and the fixed plate is vertically fixedly connected with two parallel connection rail 21, and the lifting mechanism 2 includes pneumatic liquid injection pump 22, single column 23, and the pneumatic liquid injection pump 22 is connected with single column 23 pipeline, is used for providing power for the lifting of single column 23, and the lower end of single column 23 is fixedly connected on the movable frame, and the utility model mechanism is mainly used for the temporary construction shelter, and the use scene is multiple to have installed permanent support system, and multiple play the role of optimization protection, so select a single column 23 can guarantee the flexibility of whole device, and can reach the protection purpose. The top of movable frame 1 is fixedly provided with two hydraulic telescopic links 25, and the top of two hydraulic telescopic links 25 is fixedly connected with the horizontal plate bottom surface of shelter frame, and the stable work of shelter frame is guaranteed through the guidance and support effect of hydraulic telescopic link 25, since adopting hydraulic telescopic link 25 is under pressure, generally does not lift, relies on the locking mechanism of single column self and carries out control, preferably also can set up connecting locking cable between shelter frame and movable frame, further prevents the hydraulic telescopic link and opens in compression state, so when using need first open connecting locking cable, and connecting locking cable includes cable and the lock ring fixed on shelter frame and movable frame respectively constitutes.

[0025] The shelter mechanism includes a shelter frame and a cleaning part. The shelter frame is an L-shaped plate. The bottom of the horizontal plate of the L-shaped plate is fixedly connected with the upper end of the single column. Two longitudinal connecting grooves are arranged on the vertical plate of the L-shaped plate. The connecting grooves are matched with the connection rails to guide the shelter frame to move up and down on the fixed plate. The cleaning part includes a cleaning brush and a moving frame. The moving frame is slidingly connected to the horizontal plate of the L-shaped plate. The moving frame includes a moving frame top plate, vertical side plates at both ends of the top plate, a wedge-shaped block arranged on the inner side of the lower part of one of the side plates, a wedge-shaped groove horizontally arranged on the side of the horizontal plate of the shelter frame corresponding to the wedge-shaped block, a guide rail fixedly arranged on the outer wall of the other side of the horizontal plate of the shelter frame corresponding to the wedge-shaped groove, a control frame fixedly connected to the lower part of the side plate of the moving frame corresponding to the guide rail, the control frame horizontally extending below the horizontal plate of the shelter frame, the control frame being provided with a sliding groove matched with the guide rail, the moving frame slidingly connected to the horizontal plate of the shelter frame horizontally sliding, the moving frame top plate being provided with a slot, a connecting block being arranged in the slot, the lower end of the connecting block being provided with the cleaning brush, the width of the cleaning brush being greater than the width of the slot to prevent the cleaning brush from coming out of the moving frame, the upper end of the connecting block being provided with a top plate, a buffer device being arranged between the top plate and the top of the moving frame, the top surface of the top plate being a curved surface, the top plate being adapted to the shape of the top plate when the top plate contacts the top of the tunnel to prevent damage, and a damper provided with a spring in the embodiment.

[0026] In order to realize automatic cleaning of the cleaning part, the bottom surface of the horizontal plate of the shield frame is fixedly connected with a pneumatic motor 34 through a mounting plate 35, the output end of the pneumatic motor 34 is provided with a reciprocating screw rod 31, the reciprocating screw rod 31 is installed on the bottom surface of the horizontal plate 311 of the shield frame through a bearing seat, the lower end of the control frame is installed on the reciprocating screw rod 31 through a screw nut, the reciprocating screw rod cooperates with the control frame, the moving frame 36 is driven to reciprocate by the pneumatic motor 34, and the moving frame 36 is used for cleaning the top surface of the horizontal plate of the shield frame. The pneumatic motor 34 can be directly connected with a power air pipe in the well, is convenient to use, and is controlled by using existing remote control technology.

[0027] The device has low overall height when not working, light equipment weight, can quickly reach the working position through the single-track hoist or track transportation in the well, is mainly used for temporary construction shelter work, the shield frame is controlled to ascend and descend through a single column, all power sources adopt wind power, are provided by using a power air pipe in the well, are high in safety and strong in flexibility; after the temporary shelter work is finished, the device top plate can be quickly cleaned, and device storage work is carried out, so that the construction safety of construction personnel is maximally ensured.

Claims

1. A temporary shield device for use in coal mining operations, characterised in that, Including mobile frame, the mobile frame bottom four corners are provided with mobile wheels, the mobile frame top is provided with lifting mechanism and shelter mechanism, One side of the mobile frame is integrally provided with a fixed plate, the fixed plate is perpendicular to the mobile frame, two parallel connection rails are fixedly connected on the fixed plate in the longitudinal direction, The lifting mechanism includes a pneumatic liquid injection pump and a single column, the pneumatic liquid injection pump is connected with the single column pipeline, and power is provided for lifting of the single column, and the lower end of the single column is fixedly connected to the mobile frame, The shelter mechanism includes a shelter frame and a cleaning part, the shelter frame is an L-shaped plate, the bottom of the horizontal plate of the L-shaped plate is fixedly connected with the upper end of the single column, two longitudinal connecting grooves are arranged on the vertical plate of the L-shaped plate, the connecting grooves are matched with the connecting rails, and the shelter frame is guided to move on the fixed plate; the cleaning part includes a cleaning brush and a moving frame, the moving frame is slidably connected to the horizontal plate of the L-shaped plate, an insertion slot is arranged on the top of the moving frame, a connecting block is arranged in the insertion slot, the cleaning brush is arranged at the lower end of the connecting block, a top plate is arranged at the upper end of the connecting block, and a buffer device is arranged between the top plate and the top of the moving frame.

2. The temporary shield device for coal mining construction according to claim 1, characterized in that, The buffer device is a damper, a spring or a damper externally provided with a spring.

3. The temporary shield device for coal mining construction according to claim 1, characterized in that, A wedge-shaped groove is horizontally arranged on one side of the outer wall of the horizontal plate of the shelter frame, a wedge-shaped block is arranged on the moving frame corresponding to the wedge-shaped groove, the wedge-shaped block is matched with the wedge-shaped groove, and the moving frame moves horizontally on the shelter frame along the wedge-shaped groove.

4. The temporary shield device for coal mining construction according to claim 1, characterized in that, A guide rail is fixedly arranged on the other side of the outer wall of the horizontal plate of the shelter frame corresponding to the wedge-shaped groove, a control frame is fixedly connected to the lower part of the moving frame corresponding to the guide rail, the control frame extends horizontally below the horizontal plate of the shelter frame, and the control frame is provided with a sliding groove matched with the sliding rail.

5. The temporary shield device for coal mining construction according to claim 1, characterized in that, A wind-driven motor is fixedly connected to the bottom surface of the shelter frame, a reciprocating screw rod is arranged at the output end of the wind-driven motor, the reciprocating screw rod is installed on the bottom surface of the horizontal plate of the shelter frame through a bearing seat, the reciprocating screw rod is matched with the control frame, and the moving frame is driven to reciprocate by the wind-driven motor.

6. The temporary shield device for coal mining construction according to claim 1, characterized in that, Two hydraulic telescopic connecting rods are fixedly arranged on the inner side of the mobile frame, and the top surfaces of the two hydraulic telescopic connecting rods are fixedly connected with the inner side of the shelter frame.

7. The temporary shield device for coal mining construction according to claim 1, characterized in that, The top plate is arc-shaped.

Images