CN107916955A - High inclination-angle continuous flush practice device for constructing metro tunnel - Google Patents

Abstract

The present invention proposes a continuous slag discharge device with a large dip angle for subway tunnel construction, which includes a belt pressing part arranged in a vertical shaft section. The belt pressing part includes a driving drum, a pressing belt, a frame and a steering drum. At both ends and in cooperation with the pressure belt, the frame is set between the driving drum and the steering drum. There are several bearing rollers and movable pressure roller frames on the frame. Springs are arranged between the pressure roller frames and the frame. Pressing rollers are arranged on the frame, and the pressing rollers cooperate with the pressing belt, and the carrying rollers cooperate with the carrying belt, and the pressing rollers and carrying supporting rollers press the pressing belt and the carrying belt together. The advantages of the present invention: the pressure belt type continuous belt conveyor can be directly conveyed at a large inclination without turning the slag, which simplifies the overall structure of the equipment and improves the efficiency; the method of clamping the material with two tapes ensures that there is no material leakage during the conveying process at a large inclination ;Compared with the corrugated sidewall vertically lifting belt conveyor, it has low cost, high reliability, and good tape slag cleaning effect.

Description

Large-inclination continuous slag discharge device for subway tunnel construction

technical field

The invention relates to a continuous belt conveyor, in particular to a large-inclination continuous slag discharging device used in subway tunnel construction.

Background technique

In the field of subway tunnel construction, the continuous belt conveyor can make the roadheader move forward continuously without stopping the machine. However, when the slag is discharged from the shaft, because the inclination angle is too large, the material will slide down, and the traditional continuous belt conveyor cannot be used for transportation. For slag, the combination of continuous belt conveyor + vertical lifting belt conveyor or continuous belt conveyor + hoist is generally used at present. The vertical lifting belt conveyor uses corrugated sidewall tape, which has a complex structure, is expensive, and is difficult to remove slag. The hoist has low efficiency and cannot continuously discharge slag. Therefore, the problem of large-inclination elevators in subway tunnel shafts needs to be solved.

Contents of the invention

The invention proposes a large-inclination continuous slag discharging device used in subway tunnel construction, which solves the problem of difficult slag discharging in existing subway tunnel shafts. The belt-pressing structure of the present invention can directly lift the muck from the shaft mouth to the ground through the continuous belt conveyor without being limited by the lifting inclination angle.

The technical solution of the present invention is realized in the following way: a large-inclination continuous slag discharge device for subway tunnel construction includes a belt pressing part arranged in the shaft section, and the belt pressing part includes a driving roller, a pressing belt, a frame and a steering roller , the driving roller and the steering roller are arranged at both ends and cooperate with the pressure belt. Springs are arranged between them, and pressure rollers are arranged on the pressure roller frame, and the pressure rollers cooperate with the pressure belt, and the carrying idler cooperates with the carrying belt, and the pressure roller and the carrying idler press the pressure belt and the carrying belt together.

The frame is provided with a connecting plate, the connecting plate is movably connected with the connecting rod, and the connecting rod is movably connected with the pressure roller frame.

The carrying roller is groove-shaped, and the groove shape includes inclined sections at both ends and a horizontal section in the middle. There are connecting rods on both sides of the pressure roller frame, and the middle part of the pressure roller frame is movably connected with the connecting rod. The two ends of the connecting rod All are movably connected with the pressure roller, the pressure roller at one end of the connecting rod cooperates with the pressure belt of the horizontal section, and the pressure roller at the other end of the connecting rod cooperates with the pressure belt of the inclined section.

A tensioning device is provided on the pressure belt, and the tensioning device is a weight or an electric winch.

The driving drum is located at the bottom of the shaft section, and the steering drum is located at the top of the shaft section.

It also includes the tail part, the middle standard section, the storage bin part, the driving part and the head part. The two ends of the carrying belt are supported by the tail part and the head part. Intermediate standard section, stocker section and drive section for belt fit.

The tail part of the machine is set on the shield machine, the middle standard section is located between the shield machine and the bottom of the shaft section, the belt storage part is set on the lower side of the middle standard section, the driving part is set at the bottom of the shaft section, and the head part located on the ground surface.

The advantages of the present invention: the pressure belt type continuous belt conveyor can be directly conveyed at a large inclination without turning the slag, which simplifies the overall structure of the equipment and improves the efficiency; the method of clamping the material with two tapes ensures that there is no material leakage during the conveying process at a large inclination ;Compared with the corrugated sidewall vertically lifting belt conveyor, it has low cost, high reliability, and good tape slag cleaning effect.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description are only These are some embodiments of the present invention. Those skilled in the art can also obtain other drawings based on these drawings without creative work.

Fig. 1 is a side view of the present invention.

Fig. 2 is a partial side view of the pressure belt of the present invention.

Fig. 3 is a partial sectional view of the pressure belt of the present invention.

Fig. 4 is a side view of the pressing roller frame of the present invention.

In the figure: 1-tail part, 2-middle standard section, 3-storage bin, 4-driving part, 5-pressing belt part, 6-head part, 7-driving roller, 8-pressing belt, 9 -frame, 10-connecting rod, 11-spring, 12-pressure roller frame, 13-pressure roller, 14-loading roller, 15-tensioning device, 16-turning drum, 17-carrying belt, 18-connecting plate , 19-connecting rod.

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

As shown in Figure 1-4, a large-inclination continuous slag discharge device for subway tunnel construction includes a belt pressing part 5 arranged in the shaft section, and the belt pressing part 5 includes a driving drum 7, a pressing belt 8, and a frame 9 And the turning drum 16, the driving drum 7 and the steering drum 16 are located at both ends and cooperate with the pressure belt 8, the frame 9 is arranged between the driving drum 7 and the steering drum 16, and the frame 9 is provided with a number of bearing rollers 14 and The movable pressure roller frame 12, the spring 11 is arranged between the pressure roller frame 12 and the frame 9, the pressure roller frame 12 is provided with a pressure roller 13, the pressure roller 13 cooperates with the pressure belt 8, the carrying idler roller 14 and the carrying belt 17 Cooperate, the pressure roller 13 and the carrying roller 14 press the pressure belt 8 and the carrying belt 17 together.

The frame 9 is provided with a connecting plate 18, the connecting plate 18 is movably connected with the connecting rod 10, and the connecting rod 10 is movably connected with the pressure roller frame 12.

The carrying idler 14 is groove-shaped, and the groove shape includes inclined sections at both ends and a horizontal section in the middle, and connecting rods are arranged on both sides of the pressure roller frame 12, and the middle part of the pressure roller frame 12 is movably connected with the connecting rod 19. The two ends of bar 19 are all movably connected with pressure roller 13, and the pressure roller 13 of connecting rod 19 one end cooperates with the pressure belt 8 of horizontal section, and the pressure roller 13 of connecting rod 19 other ends cooperates with the pressure belt 8 of inclined section.

The tensioning device 15 is provided on the pressure belt 8, and the tensioning device 15 is a weight or an electric winch.

The driving drum 7 is located at the bottom of the shaft section, and the steering drum 16 is located at the top of the shaft section.

Also comprise tail part 1, middle standard section 2, storage tape warehouse part 3, drive part 4 and head part 6, the two ends of bearing belt 17 are supported by tail part 1 and head part 6, tail part 1 and head part 6 An intermediate standard section 2 , a storage bin 3 and a driving part 4 which cooperate with the carrying belt 17 are arranged between the head parts 6 .

The tail part 1 is set on the shield machine, the middle standard section 2 is located between the shield machine and the bottom of the shaft section, the belt storage bin part 3 is set on the lower side of the middle standard section 2, and the driving part 4 is set at the shaft section Bottom, the nose part 6 is located on the ground surface. Turning rollers or rollers are arranged on the tail part, the nose part and the middle standard section to support and guide the carrying belt.

The tail part is set on the shield machine. Under the pull of the shield machine, the tail part drives the carrying belt to move forward. The middle standard section is set between the tail and the bottom of the shaft section. As the shield machine moves forward, the middle section The standard section is followed up and installed section by section. The storage bin stores the load-bearing belt, and the drive part provides power to the load-bearing belt. The machine head is set on the ground surface to unload the muck. In the shaft section, the press belt part compresses the muck. Rising with muck.

The pressure belt part is matched by the load-bearing belt and the pressure belt. The material is clamped between the two belts to ensure that the material does not drop when conveying at a large inclination angle. The frame is fixed and installed at the angle of material lifting inclination. It is installed at the bottom of the frame, and the carrying belt of the continuous belt conveyor is directly extended into the frame. The pressure belt is pressed against the surface of the material on the carrying belt by the pressure roller. The pressure roller is hinged on the connecting rod, and the middle part of the connecting rod is hinged on the pressure roller. On the roller frame, the pressure roller can adapt to the cross-sectional shape of the material, and always maintain the pressing force on the surface of the material. The pressure roller at one end of the connecting rod presses the pressure belt and the carrying belt together to ensure no material leakage. The pressure roller at the other end of the connecting rod The roller clamps the dregs between the pressing belt and the carrying belt to ensure that the muck does not fall. The pressing roller frame is hinged on the frame by a connecting rod, so that the position of the pressing roller frame can move up and down. The pressing force is installed on the pressing roller frame. The upper spring is provided, and the other end of the spring is installed on the top of the frame. The height can be adjusted to provide different pressing forces. The pressing belt is driven by a separate driving roller, and the pressing belt and the carrying belt are required to have the same operating speed. .

When the size of the cross-section of the material changes, the length of the pressing belt changes greatly, and the change is relatively frequent. A tensioning device is installed on the pressing belt, which can be used for tensioning by a heavy hammer or an electric winch, and can be tensioned or relaxed when the length of the pressing belt changes. Press the belt to ensure the stable operation of the press belt.

The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included in the scope of the present invention. within the scope of protection.

Claims (7)

1. A kind of 1. high inclination-angle continuous flush practice device for constructing metro tunnel, it is characterised in that：Pressure including being located at vertical shaft section Band part（5）, pressure zone part（5）Including driving drum（7）, pressure zone（8）, rack（9）And bending roller（16）, driving drum （7）And bending roller（16）It is located at both ends and and pressure zone（8）Coordinate, rack（9）It is located at driving drum（7）With bending roller（16） Between, rack（9）It is equipped with some carrying idlers（14）With the roller frame of activity（12）, roller frame（12）With rack（9）Between Equipped with spring（11）, roller frame（12）It is equipped with pressure roller（13）, pressure roller（13）With pressure zone（8）Coordinate, carrying idler（14）With holding Carry belt（17）Coordinate, pressure roller（13）And carrying idler（14）By pressure zone（8）, carrying belt（17）Force together.
2. 2. the high inclination-angle continuous flush practice device according to claim 1 for constructing metro tunnel, it is characterised in that：It is described Rack（9）It is equipped with connecting plate（18）, connecting plate（18）With connecting rod（10）It is flexibly connected, connecting rod（10）With roller frame （12）It is flexibly connected.
3. 3. the high inclination-angle continuous flush practice device according to claim 1 for constructing metro tunnel, it is characterised in that：It is described Carrying idler（14）For flute profile, flute profile includes the tilting section at both ends and middle horizontal segment, roller frame（12）Both sides be equipped with Connecting rod, roller frame（12）With connecting rod（19）Middle part be flexibly connected, connecting rod（19）Both ends and pressure roller（13）It is flexibly connected, even Bar（19）The pressure roller of one end（13）With the pressure zone of horizontal segment（8）Coordinate, connecting rod（19）The pressure roller of the other end（13）With tilting section Pressure zone（8）Coordinate.
4. 4. the high inclination-angle continuous flush practice device according to claim 1 for constructing metro tunnel, it is characterised in that：It is described Pressure zone（8）It is equipped with tensioning apparatus（15）, tensioning apparatus（15）For weight or electric winch.
5. 5. the high inclination-angle continuous flush practice device according to claim 1 for constructing metro tunnel, it is characterised in that：It is described Driving drum（7）Positioned at vertical shaft section bottom, bending roller（16）At the top of vertical shaft section.
6. 6. the high inclination-angle continuous flush practice device according to claim 1 for constructing metro tunnel, it is characterised in that：Also wrap Include tail part（1）, intermediate standard section（2）, storage cassette holder part（3）, drive part（4）And head section（6）, carry belt （17）Both ends pass through tail part（1）And head section（6）Support, tail part（1）With head section（6）Between be equipped with Carry belt（17）The intermediate standard section of cooperation（2）, storage cassette holder part（3）And drive part（4）.
7. 7. the high inclination-angle continuous flush practice device according to claim 6 for constructing metro tunnel, it is characterised in that：It is described Tail part（1）It is located on shield machine, intermediate standard section（2）Between shield machine and vertical shaft section bottom, cassette holder part is stored up （3）It is located at intermediate standard section（2）Downside, drive part（4）It is located at vertical shaft section bottom, head section（6）It is located at ground surface.