Guiding and fixing device for bottom-picking excavation of cavern

Abstract

A guiding and fixing device for bottom-picking excavation of a cavern comprises a guiding steel pipe frame, a fixed pulley, a winder, a pneumatic drill and a steel cable. A plurality of groups of guide steel pipes are vertically arranged on two transverse connecting steel pipes of the guide steel pipe frame, a gap between two guide steel pipes of each group of guide steel pipes forms a limiting groove, a pneumatic drill is placed on the limiting groove, and the drilling direction of the pneumatic drill and the guide steel pipes are located on the same horizontal line; a fixed pulley is arranged at one end of each group of guide steel pipes, a winder is arranged at the other end of each group of guide steel pipes, a steel cable is wound on the winder, and the other end of the steel cable bypasses the corresponding fixed pulley and is connected to the tail of the pneumatic drill arranged on the limiting grooves of the two guide steel pipes. According to the device, the position of the guide steel pipe can be flexibly adjusted, different drilling distances and angles can be set according to actual requirements, and by means of the device, the pneumatic drill can smoothly move under the guide of the guide steel pipe, so that more accurate and standard drilling operation is achieved, the quality and reliability of the whole project are improved, meanwhile, the construction efficiency can be improved, and the construction cost is reduced. And the cost is low.

Description

TECHNICAL FIELD

[0001] The utility model belongs to municipal, tunnel construction technical field, especially relates to cavern excavation and road construction technical field, concretely is a kind of cavern picks bottom excavation guiding and fixing device. BACKGROUND

[0002] Cavern bottom excavation technology occupies an important position in the field of tunnel engineering, and in the construction process, the construction team must face various challenges, one of which is to face the slotting construction technology under complex geological conditions. The selection of cavern bottom excavation technology directly affects the progress and quality of the project. Reasonable excavation method can ensure construction safety and improve construction efficiency. Under different geological conditions, not only the technical level of construction personnel is tested, but also the construction equipment requires certain adaptability and flexibility. In small engineering quantity, narrow working environment, complex engineering, traditional large-scale construction equipment is often difficult to play a role, and small, light and economical devices are needed to replace them. UTILITY MODEL CONTENT

[0003] The utility model solves the problem of the above-mentioned deficiencies, and provides a cavern picks bottom excavation guiding and fixing device, which has strong adaptability and flexibility and can replace traditional large-scale construction equipment in small engineering quantity, narrow working environment and complex engineering.

[0004] To achieve the above purpose, the utility model adopts the following technical scheme:

[0005] The utility model provides a kind of cavern picks bottom excavation guiding and fixing device, the device includes guide steel pipe frame, fixed pulley, line winder, hand air drill, cable;Guide steel pipe frame is by horizontal connecting steel pipe, vertical connecting steel pipe and guide steel pipe fixed connection and constitutes a whole frame structure, vertical connecting steel pipe is vertically arranged, and is fixedly connected with horizontal connecting steel pipe, and two horizontal connecting steel pipes are horizontally arranged and parallelly arranged, and a plurality of guide steel pipes are vertically arranged on the two horizontal connecting steel pipes, each group of guide steel pipes is provided with two guide steel pipes, each guide steel pipe is horizontally and parallelly arranged, and the gap between the two guide steel pipes of each group of guide steel pipes forms a limiting slot, the limiting slot width is less than the horizontal dimension of hand air drill, the hand air drill is placed on the limiting slot, the hand air drill is placed along the length direction of limiting slot, and the drilling direction of hand air drill is on the same horizontal line with guide steel pipe;One end of each group of guide steel pipes is provided with fixed pulley, and the other end is provided with line winder, cable is wound on line winder, and the other end of cable is wound around corresponding fixed pulley and connected to the tail of hand air drill placed in the limiting slot between two guide steel pipes.

[0006] The two horizontal connecting steel pipes of the guide steel pipe frame and each group of guide steel pipes form a "well" structure.

[0007] The transverse connecting steel pipe, vertical connecting steel pipe and guide steel pipe are connected into an integral structure by the fastener.

[0008] The fixed pulley and the winding device are respectively arranged between the two guide steel pipes of each group of guide steel pipes.

[0009] The fixed pulley is fixedly connected with the guide steel pipe 5 through the fastener.

[0010] The fixed pulley is formed into an integral structure by a Φ28 steel bar and a steel pipe sleeve joint welding, the middle part of the steel pipe is provided with a U-shaped limiting groove, and the two ends of the steel bar are bent and fixedly connected with the corresponding guide steel pipe.

[0011] The winding device is fixedly connected with the guide steel pipe 5 through the fastener.

[0012] The winding device comprises a Φ28 steel bar and a winding drum, the steel bar is sleeved with the winding drum, the winding drum can rotate around the steel bar, and the two ends of the steel bar are bent and fixedly connected with the corresponding guide steel pipe.

[0013] Compared with the prior art, the utility model has the advantages of the following:

[0014] 1、The utility model discloses small and light, has certain adaptability and flexibility, can flexibly adjust the position of the guide steel pipe, can set different drilling spacing and angle according to actual demand, can replace the traditional large -scale construction equipment in the small engineering quantity, narrow working environment, complex engineering.

[0015] 2、Adopt the utility model, and the hand air drill can be smoothly removed under the guidance of the guide steel pipe, thereby realizing more accurate and standard drilling operation, and improving the quality and reliability of the whole construction engineering.

[0016] 3、The utility model discloses simple operation is easy to master, even if the operation personnel without relevant experience, also can reach the level of skilled use in a short time, this characteristic not only promotes the acceleration of construction process and the improvement of efficiency significantly, also fundamentally enhances the safety of the operation site, effectively reduces the potential operation risk.

[0017] 4、The utility model discloses convenient processing, transportation, low in cost, and the material required by the utility model is simple, and is similar to the material used by the traditional fastener type steel pipe scaffold, and the structure is simple, and is convenient to disassemble, reduces the on -the -spot processing amount of workers, and greatly reduces production cost and transportation cost. Schematic view of the utility model is shown in the following drawings:

[0018] Fig. 1 Is the utility model top view structure schematic view;

[0019] Fig. 2 Is the utility model side view structure schematic view.

[0020] Reference signs in the drawings:

[0021] 1 - guide steel pipe frame, 2 - fixed pulley, 3 - wire winder, 4 - transverse connecting steel pipe, 5 - guide steel pipe, 6 - hand drill, 7 - steel cable. DETAILED DESCRIPTION

[0022] The utility model is further explained in combination with the specific embodiment, the specific embodiment is the further explanation of the principle of the utility model, and does not limit the utility model in any way, and the same or similar technology of the utility model does not exceed the protection scope of the utility model.

[0023] Referring to Figs. 1-2 The utility model provides a kind of chamber picks up bottom excavation guide fixing device, which includes guide steel pipe frame 1, fixed pulley 2, wire winder 3, hand drill 6, steel cable 7.Guide steel pipe frame 1 is frame structure, guide steel pipe frame 1 is connected by transverse connecting steel pipe 4, vertical connecting steel pipe and guide steel pipe 5 fixedly connected and constitutes a whole structure, vertical connecting steel pipe is vertically arranged, and is fixedly connected with transverse connecting steel pipe 4, in the embodiment, the transverse connecting steel pipe 4 of guide steel pipe frame 1, vertical connecting steel pipe and guide steel pipe 5 are connected by fastener.The two roots of transverse connecting steel pipe 4 are horizontally arranged and parallel, and a plurality of guide steel pipes 5 are vertically arranged on the two roots of transverse connecting steel pipe 4, each group of guide steel pipes 5 is provided with two guide steel pipes 5, and each guide steel pipe 5 is horizontally and parallel arranged, the two roots of transverse connecting steel pipe 4 and each group of guide steel pipes 5 form "well" structure, by adjusting the interval of the two guide steel pipes 5 of each group of guide steel pipes 5, the gap between the two guide steel pipes 5 forms limiting slot, the width of limiting slot is less than the transverse dimension of hand drill 6, hand drill 6 is placed on limiting slot, and hand drill 6 is placed along the length direction of limiting slot, and the drilling direction of hand drill 6 is ensured to be on the same horizontal line with guide steel pipe 5.Each group of guide steel pipes 5 is provided with one fixed pulley 2 at one end, and one wire winder 3 at the other end, and the fixed pulley 2 and the wire winder 3 are respectively arranged between the two guide steel pipes 5 of each group of guide steel pipes 5, the fixed pulley 2 is fixedly connected with guide steel pipe 5 by fastener, the fixed pulley 2 is formed into a whole structure by one Φ28 reinforcing steel and one steel pipe sleeve joint welding, the middle of steel pipe is equipped with "U" type limiting slot, to ensure that steel cable 7 is stable when passing through fixed pulley 2, the two ends of reinforcing steel are bent and fixedly connected with corresponding guide steel pipe 5;The other end of guide steel pipe 5 is provided with a wire winder 3 of similar structure, and the wire winder 3 is fixedly connected with guide steel pipe 5 by fastener, and the wire winder 3 includes one Φ28 reinforcing steel and one wire winding drum, the reinforcing steel is sleeved with the wire winding drum, the wire winding drum can rotate around the reinforcing steel, and the two ends of the reinforcing steel are bent and fixedly connected with corresponding guide steel pipe 5.Steel cable 7 is wound on wire winder 3, and the other end of steel cable 7 is connected with the tail of hand drill 6 placed on limiting slot between the two guide steel pipes 5 by corresponding fixed pulley 2.

[0024] By using the fixing device, the steel cable 7 is tightened by the winding device 3, the hand auger 6 is driven by the fixed pulley 2 through the steel cable 7, so as to pull the hand auger 6 to move along the guide steel pipe 5 to drill, and the drilling interval and angle can be adjusted according to the construction requirement during the construction process.

Claims

1. A chamber bottom picking up excavation guide fixing device, characterized by: The fixing device comprises a guide steel pipe frame (1), a fixed pulley (2), a wire winding device (3), a hand air drill (6) and a steel cable (7); the guide steel pipe frame (1) is composed of a horizontal connecting steel pipe (4), a vertical connecting steel pipe and guide steel pipes (5) which are fixedly connected to form an integral frame structure; the vertical connecting steel pipe is vertically arranged and fixedly connected with the horizontal connecting steel pipe (4); the horizontal connecting steel pipe (4) is horizontally arranged and parallel to two horizontal connecting steel pipes (4); a plurality of groups of guide steel pipes (5) are vertically arranged on the two horizontal connecting steel pipes (4); each group of guide steel pipes (5) is provided with two guide steel pipes (5); each guide steel pipe (5) is horizontally and parallel arranged; the gap between the two guide steel pipes (5) of each group of guide steel pipes (5) forms a limiting groove; the limiting groove is provided with the hand air drill (6); the hand air drill (6) is arranged along the length direction of the limiting groove; the drilling direction of the hand air drill (6) is on the same horizontal line with the guide steel pipe (5); one end of each group of guide steel pipes (5) is provided with the fixed pulley (2) and the other end is provided with the wire winding device (3); the steel cable (7) is wound on the wire winding device (3); the other end of the steel cable (7) is wound around the corresponding fixed pulley (2) and connected to the tail of the hand air drill (6) which is arranged in the limiting groove between the two guide steel pipes (5).

2. A chamber bottom picking up and excavating guiding and fixing device according to claim 1, characterized in that: The two horizontal connecting steel pipes (4) of the guide steel pipe frame (1) and each group of guide steel pipes (5) form a "well" structure.

3. A chamber bottom picking up and excavating guiding and fixing device according to claim 1, characterized in that: The horizontal connecting steel pipe (4), the vertical connecting steel pipe and the guide steel pipe (5) of the guide steel pipe frame (1) are connected by fasteners to form an integral structure.

4. The chamber bottom picking up and excavating guiding and fixing device according to claim 1, characterized in that: The fixed pulley (2) and the wire winding device (3) are arranged between the two guide steel pipes (5) of each group of guide steel pipes (5) respectively.

5. The chamber bottom picking up and excavating guiding and fixing device according to claim 1, characterized in that: The fixed pulley (2) is fixedly connected with the guide steel pipe (5) by fasteners.

6. A chamber bottom picking up and excavating guiding and fixing device according to claim 1, characterized in that: The fixed pulley (2) is formed into an integral structure by a Φ28 steel bar and a steel pipe which are sleeve-welded, the middle part of the steel pipe is provided with a "U"-shaped limiting groove, and the two ends of the steel bar are bent and fixedly connected with the corresponding guide steel pipe (5).

7. A chamber bottom picking up and excavating guiding and fixing device according to claim 1, characterized in that: The wire winding device (3) is fixedly connected with the guide steel pipe (5) by fasteners.

8. A chamber bottom picking up and excavating guiding and fixing device according to claim 1, characterized in that: The wire winding device (3) comprises a Φ28 steel bar and a winding drum, the steel bar is sleeve-connected with the winding drum, the winding drum can rotate around the steel bar, and the two ends of the steel bar are bent and fixedly connected with the corresponding guide steel pipe (5).

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