CN217075965U - TBM (Tunnel boring machine) main belt conveyor arrangement structure capable of adapting to working condition with small turning radius - Google Patents

Abstract

The utility model relates to a shield constructs quick-witted field of slagging tap, concretely relates to can adapt to TBM host computer belt feeder arrangement structure of tight turning radius operating mode, including the anterior shield, the support shield of setting at the anterior shield rear and the host computer belt feeder of setting between the anterior shield and support shield, be equipped with anterior translation track on the anterior shield, be equipped with rear portion translation track on the support shield, the front end of host computer belt feeder supports on anterior translation track, the rear end of host computer belt feeder supports on rear portion translation track, the host computer belt feeder can be for anterior translation track and rear portion translation track side-to-side deflection on the horizontal plane, the rear end of host computer belt feeder is equipped with the swing track, rear portion translation track sets up in order to realize the horizontal hunting on the swing track, it is used for driving rear portion translation track side-to-side swing's rear portion track drive arrangement to support between shield and the rear portion translation track.

Description

TBM (Tunnel boring machine) main belt conveyor arrangement structure capable of adapting to working condition with small turning radius

Technical Field

The utility model relates to a shield constructs quick-witted field of slagging tap, concretely relates to TBM host computer belt feeder arrangement structure that can adapt to minor turning radius operating mode.

Background

At present, the TBM main machine deslagging is mainly completed by a main machine belt conveyor. In the working process of the TBM, the working condition of small turning radius inevitably occurs, and for a linear main belt conveyor, the main belt conveyor is easy to interfere with other components in the TBM during turning. In order to meet the turning requirement, the conventional main belt conveyor is in a segmented hinged type, the front end of the main belt conveyor is arranged at a front shield, the rear end of the main belt conveyor is arranged at a support shield, and the front end and the rear end of the main belt conveyor are connected by a hinged pin shaft.

In order to adapt to the working condition with a small turning radius, a TBM is also disclosed in the patent document CN111517088A in the prior art, and the TBM comprises a front shield and a support shield, wherein a telescopic belt frame is arranged between the front shield and the support shield, the telescopic belt frame is used as a main belt machine, a plurality of belt roller units are arranged on the telescopic belt frame and used for supporting a belt, a left-right adjusting mechanism is arranged between the belt roller units and the telescopic belt frame, and when the shield machine turns, the left-right adjusting mechanism drives each belt roller unit to move so as to realize the adjustment of the belt turning angle. The front end and the rear end of the telescopic belt frame are both provided with walking wheels, a front rail is arranged on the front shield, a rear rail is arranged on the support shield, the front end of the telescopic belt frame is guided and assembled on the front rail, the rear end of the telescopic belt frame is guided and assembled on the rear rail, the telescopic belt frame and the front shield are connected through a telescopic oil cylinder, the telescopic oil cylinder drives the telescopic belt frame to move along the front guide rail and the rear guide rail, so that when the shield machine retracts or changes tools, the host belt machine retracts, and material transportation space and access space of operators are saved.

Although each belt roller unit of the TBM can realize the adjustment of the belt turning angle, the problems of belt body abrasion and material scattering of the telescopic belt conveyor are only solved. Because the front guide rail and the rear guide rail are respectively arranged on the front shield and the support shield, when the TBM turns, the front guide rail and the rear guide rail respectively turn along with the front shield and the support shield, and the frame body of the telescopic belt frame can only move along the extending direction of the two guide rails, so that a larger angle is generated between the frame body of the telescopic belt frame and the front guide rail and between the frame body of the telescopic belt frame and the rear guide rail, the frame body of the telescopic belt frame interferes with other components on the front shield and the support shield, and other components can be possibly damaged.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a TBM host computer belt feeder arrangement structure that can adapt to minor turning radius operating mode to shield constructs the machine when the turn among the solution prior art, flexible belt frame takes place the technical problem of interference with the anterior shield and support shield.

In order to achieve the above object, the utility model provides a can adapt to TBM host computer belt feeder arrangement structure's of little turning radius operating mode technical scheme is:

TBM host computer belt feeder arrangement structure that can adapt to little turning radius operating mode, including the anterior shield, the support shield that sets up at the anterior shield rear and set up at the anterior shield and support the host computer belt feeder between the shield, be equipped with anterior translation track on the anterior shield, be equipped with rear portion translation track on the support shield, the front end of host computer belt feeder supports on anterior translation track, the rear end of host computer belt feeder supports on rear portion translation track, the host computer belt feeder can be for anterior translation track and rear portion translation track side-to-side deflection on the horizontal plane, the rear end of host computer belt feeder is equipped with the swing track, rear portion translation track sets up on the swing track in order to realize the horizontal hunting, be equipped with the rear portion track drive arrangement who is used for driving rear portion translation track side-to-swing between support shield and the rear portion translation track.

The beneficial effects are that: the utility model provides a TBM host computer belt feeder arrangement structure that can adapt to tight turning radius operating mode, through setting up the swing track, make rear portion drive arrangement can drive rear portion translation track along swing track horizontal hunting, in order to drive the swing of host computer belt feeder, when the shield constructs the machine and turns, the swing of host computer belt feeder can reduce the horizontal contained angle between host computer belt feeder front end and the anterior translation track, compare with the fixed form of rear portion track among the prior art, can avoid the front end of host computer belt feeder and other parts on the shield to take place to interfere, be favorable to reducing the possibility that the shield constructs the machine damage, can improve the reliability of host computer belt feeder.

As a further improvement, the swinging track is two arc tracks which are arranged concentrically and are arranged at intervals back and forth and are arranged on the support shield.

The beneficial effects are that: the arc-shaped track is most matched with the swinging track of the host belt conveyor, so that the interference between the swinging of the host belt conveyor and the swinging track is avoided, the swinging smoothness is improved, and the swinging of the host belt conveyor in the front and rear directions can be avoided when the rear translation track swings.

As a further improvement, the swing track is hung on a support shield.

The beneficial effects are that: the swing track is installed on the support shield in a hoisting mode, the distance between the rear translation track and the swing track can be shortened, and for the support shield with a complex structure, the hoisting of the swing track is beneficial to avoiding interference between the swing track and other components on the support shield.

As a further improvement, the swing track is of a monorail structure.

The beneficial effects are that: the swing track of the single track structure has simple structure and is convenient to manufacture.

As a further improvement, the cross section of the swing track is in an i shape, and the swing track is provided with two rolling support surfaces which are positioned at two sides of the width direction of the bottom plate corresponding to the transverse line of the bottom of the i shape, the rear translation track is provided with first horizontal rollers which are arranged in pairs and first vertical rollers which are arranged in pairs, the two first horizontal rollers are arranged at intervals and supported on the rolling support surfaces, and the two first vertical rollers are respectively used for being matched with the front side surface and the rear side surface of the bottom plate in a blocking manner.

The beneficial effects are that: first horizontal roller and first vertical roller can directly set up on rear portion translation track, compare in running wheel class guider, simple structure, the manufacturing of being convenient for.

As a further improvement, a connecting table is arranged on the rear translation track, the first vertical roller is arranged on the table top of the connecting table, and the first horizontal roller is arranged on the first vertical roller.

The beneficial effects are that: because the structure on the orbital position of rear portion translation on the support shield is comparatively complicated, the orbital position of setting up of shown swing need with the orbital upper and lower of rear portion translation pull open the distance, and set up and connect the platform, improved the orbital height of rear portion translation itself, need not just can with the swing track adaptation through raising the rear end of host computer belt feeder, it is convenient to connect to be favorable to improving the smoothness degree that the host computer belt feeder transported the dregs, can also reduce the consumption that the host computer belt feeder transported the dregs belongs to.

As a further improvement, the rear rail driving device is a driving oil cylinder.

The beneficial effects are that: the driving oil cylinder is used as a rear track driving device, and the driving oil cylinder is simple in structure and convenient to install.

As a further improvement, the opposite side surfaces of the rear translation rail in the left-right direction are rolling support surfaces, the rear end of the main belt conveyor is provided with second horizontal rollers and second vertical rollers, the second horizontal rollers and the second vertical rollers are arranged in pairs, the two second horizontal rollers are supported on the rolling support surfaces, and the two second vertical rollers are respectively stopped at the left side and the right side of the rear translation rail.

The beneficial effects are that: the rear end of the main belt conveyor is assembled with the front translation rail in a guiding mode through the second vertical roller and blocked through the second horizontal roller, so that the rear end of the main belt conveyor can smoothly move along the rear translation rail, and meanwhile the connection stability of the main belt conveyor and the rear translation rail is guaranteed.

As a further improvement, the rear end of the main belt conveyor is provided with a protruding connecting frame, and the second horizontal roller and the second vertical roller are arranged at the top end of the connecting frame.

The beneficial effects are that: the protruding link of establishing has improved the rear end height of host computer belt feeder itself for when the host computer belt feeder is connected with the swing track, need not come with the swing track adaptation through the rear end of raising the host computer belt feeder, and then be favorable to improving the smoothness degree that the host computer belt feeder transported the dregs, can also reduce the host computer belt feeder and transport the consumption that the dregs belonged to.

As a further improvement, the front end of the main belt conveyor is provided with third horizontal rollers and third vertical rollers which are arranged in pairs, the front translation track is composed of two guide rails which are arranged at intervals left and right, the two third horizontal rollers are correspondingly supported on the guide rails on the same side, and the two third vertical rollers are respectively blocked at the inner sides of the guide rails on the same side.

The beneficial effects are that: the front end of the main belt conveyor is assembled with the front translation rail in a guiding mode through the third horizontal roller and is blocked through the third vertical roller, so that the front end of the main belt conveyor can smoothly move along the front translation rail through the third vertical roller, and meanwhile the connection stability of the main belt conveyor and the front translation rail is guaranteed.

Drawings

Fig. 1 is a schematic structural diagram of a TBM host belt conveyor arrangement structure capable of adapting to a small turning radius working condition provided by the present invention;

FIG. 2 is a schematic view of the assembly of the main belt conveyor with the front translation rail;

FIG. 3 is an assembly view of the swing rail, the rear translation rail and the main belt conveyor;

FIG. 4 is an enlarged view taken at A in FIG. 1;

fig. 5 is a schematic view of the shield tunneling machine in a turning state.

Description of reference numerals: 1. anterior shield; 2. a support shield; 3. a front translation rail; 4. a rear translation rail; 5. a first discharge hopper; 6. a front end drum; 7. a second discharge hopper; 8. a main belt conveyor; 9. a carrier roller; 10. a drive roller; 11. a swing track; 12. hoisting the rod; 13. supporting the guide means; 14. a traveling oil cylinder; 15. a driving oil cylinder; 16. a rear end guide; 17. a front end guide; 18. a third horizontal roll; 19. a third vertical roller; 20. a connecting frame; 21. a second horizontal roll; 22. a second vertical roller; 23. a first horizontal roll; 24. a first vertical roller; 25. a first guide groove; 26. a connecting table.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clear, the present invention is further described in detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention, i.e., the described embodiments are only some, but not all embodiments of the invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiment of the present invention, all other embodiments obtained by the person skilled in the art without creative work belong to the protection scope of the present invention.

It is noted that, in the embodiments of the present invention, relational terms such as "first" and "second", and the like, which may be present in the embodiments, are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply that such actual relationships or sequences between the entities or operations exist. Also, terms such as "comprises," "comprising," or any other variation thereof, which may be present, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, the appearances of the phrase "comprising an … …" or similar limitation may be present without necessarily excluding the presence of additional identical elements in the process, method, article, or apparatus that comprises the same elements.

In the description of the present invention, unless otherwise explicitly specified or limited, terms such as "mounted," "connected," and "connected" that may be present are to be construed broadly, e.g., as a fixed connection, a releasable connection, or an integral connection; can be mechanically or electrically connected; either directly or indirectly through intervening media, or may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those skilled in the art from the specific situation.

In the description of the present invention, unless otherwise explicitly specified or limited, the term "provided" may be used in a broad sense, for example, the object of "provided" may be a part of the body, or may be arranged separately from the body and connected to the body, and the connection may be a detachable connection or a non-detachable connection. The specific meaning of the above terms in the present invention can be understood by those skilled in the art through specific situations.

The present invention will be described in further detail with reference to examples.

The utility model discloses in the embodiment 1 that provides can adapt to TBM host computer belt feeder arrangement structure of little turning radius operating mode:

as shown in figure 1, the TBM main machine belt conveyor arrangement structure capable of adapting to the working condition with small turning radius comprises a front shield 1, a support shield 2 and a main machine belt conveyor 8, wherein the front shield 1 and the support shield 2 are arranged at intervals from front to back, and the main machine belt conveyor 8 is arranged between the front shield 1 and the support shield 2. Be equipped with first discharge hopper 5 on the anterior shield 1, be equipped with second discharge hopper 7 on the support shield 2, first discharge hopper 5 is arranged in collecting the dregs in anterior shield 1, and the front end of host computer belt feeder 8 is equipped with front end cylinder 6, and the rear end of host computer belt feeder 8 is provided with driving roll 10 for the belt motion of installing on host computer belt feeder 8 through bearing roller 9 is passed through in the drive, in order will be transported to second discharge hopper 7 by the dregs of first discharge hopper 5 exhaust. A belt conveyor (not shown in the figure) is arranged below the second discharge hopper 7, and the muck in the second discharge hopper 7 is conveyed to the outside of the shield machine by the belt conveyor. The mounting modes of the front shield 1, the support shield 2, the first discharging hopper 5, the second discharging hopper 7 and the belt on the main belt conveyor 8 and the belt conveyor are the prior art, and are not described again here.

The front shield 1 is provided with a front translation rail 3, the support shield 2 is provided with a rear translation rail 4, the front end of the main belt conveyor 8 is mounted on the front translation rail 3 through a front end guide device 17, and the rear end of the main belt conveyor 8 is mounted on the rear translation rail 4 through a rear end guide device 16. Specifically, as shown in fig. 2, the front translation rail 3 is composed of two guide rails which are arranged on the front shield 1 at left and right intervals in parallel, a plurality of third vertical rollers 19 which are arranged at intervals and a plurality of third horizontal rollers 18 which are arranged at intervals are arranged on the left side surface and the right side surface of the front end of the main belt conveyor 8, the third vertical rollers 19 on different side surfaces and the third horizontal rollers 18 on different side surfaces are arranged oppositely, the third horizontal rollers 18 which are located at the same position on the same side surface are arranged above the third vertical rollers 19 in a staggered manner, when the front end of the main belt conveyor 8 is placed on the front translation rail 3, the third horizontal rollers 18 are located on the guide rails, and the third vertical rollers 19 are located on opposite side surfaces of the guide rails. The third horizontal roller 18 and the third vertical roller 19 constitute a front end guide 17.

As shown in fig. 3, the rear translation rail 4 is integrally in an i-shaped structure and is formed by two symmetrical angle-shaped steels, the left side and the right side of the rear translation rail are rolling support surfaces, the rolling support surfaces are both provided with second guide grooves extending in the front-rear direction, the rear end of the main belt conveyor 8 is convexly provided with a connecting frame 20, the left side and the right side above the connecting frame 20 are both provided with a plurality of second vertical rollers 22 arranged at intervals and a plurality of second horizontal rollers 21 arranged at intervals, the second vertical rollers 22 on different sides and the second horizontal rollers 21 on different sides are arranged oppositely, the second horizontal rollers 21 on the same side and located at the same position are arranged above the second vertical rollers 22 in a staggered manner, when the rear end of the main belt conveyor 8 is placed on the rear translation rail 4, the second horizontal rollers 21 are adapted to be clamped into the second guide grooves, and the second vertical rollers 22 are stopped at the outer side of the rear translation rail 4. The second horizontal roller 21 and the second vertical roller 22 constitute the rear end guide 16.

A walking oil cylinder 14 is arranged between the front shield 1 and the main belt conveyor 8, the front end of the walking oil cylinder 14 is connected to the support shield 2, and the rear end of the walking oil cylinder 14 is connected to the rear end of the main belt conveyor 8 and used for driving the main belt conveyor 8 to move back and forth. When the shield machine retracts, the traveling oil cylinder 14 applies backward acting force to the main belt conveyor 8, at the moment, under the action of the third vertical roller 19, the front end of the main belt conveyor 8 moves along the front translation track 3, and under the combined action of the second horizontal roller 21 and the second vertical roller 22, the rear end of the main belt conveyor 8 moves along the rear translation track 4, so that the main belt conveyor 8 integrally moves backward, an operation space at the front end of the main belt conveyor 8 is made available, and an operator can conveniently enter the front shield 1 through the operation space to retract the main belt conveyor.

In order to reduce the included angle between the main belt conveyor 8 and the front shield 1 when the shield machine turns, the main belt conveyor 8 needs to swing in the left-right direction. Specifically, as shown in fig. 4 and 5, two sets of hoisting rods 12 are arranged on the support shield 2 at intervals in the front-back direction, each set of hoisting rods 12 includes three hoisting rods 12 arranged in sequence from left to right, a swing rail 11 is arranged below each set of hoisting rods 12, and the swing rail 11 is connected to the bottom ends of the hoisting rods 12. In this embodiment, the swing rail 11 is an arc-shaped rail, the rear translation rail 4 is a single rail, and the supporting point between the rear end of the main belt conveyor 8 and the rear translation rail 4 is located between the two arc-shaped rails. The swing track 11 is in an i shape, the front side and the rear side of the swing track 11 are rolling support surfaces, and the rolling support surfaces are provided with first guide grooves 25 extending in the left-right direction. A connecting table 26 is arranged on the upper surface of the rear translation rail 4 corresponding to each swing rail 11, a plurality of first vertical rollers 24 and a plurality of first horizontal rollers 23 are arranged at intervals on the front side and the rear side above the connecting table 26, the first vertical rollers 24 on different sides and the first horizontal rollers 23 on different sides are arranged oppositely, the first horizontal rollers 23 on the same side and at the same position are arranged above the first vertical rollers 24 in a staggered manner, when the rear translation rail 4 is connected with the swing rail 11, the first horizontal rollers 23 are inserted into the first guide grooves 25, the first vertical rollers 24 are stopped at the outer side of the bottom plate of the swing rail 11 (if the rear translation rail 4 is a double-rail like the front translation rail 3, a gap exists between the first vertical rollers 24 and the guide rail of the rear translation rail 4), in other embodiments, the first horizontal rollers 23 can also be supported above the swing rail, the first vertical roller 24 is stopped outside the top plate of the swing rail 11. The first horizontal roller 23 and the first vertical roller 24 constitute the support guide 13. A driving oil cylinder 15 is arranged on the support shield 2 corresponding to each swing track 11, the driving oil cylinder 15 is used as a rear track driving device, one end of the driving oil cylinder 15 is connected with the support shield 2, and the other end of the driving oil cylinder 15 is connected on the rear translation track 4.

When the shield tunneling machine advances under the working condition of small turning radius and the shield tunneling machine turns, the included angle between the front end of the main belt conveyor 8 and the front shield 1 is gradually increased, when the included angle reaches a set value, the driving oil cylinder 15 is started, and the driving oil cylinder 15 drives the rear translation track 4 to translate on the two swing tracks 11 so as to adjust the included angle between the main belt conveyor 8 and the front shield 1.

The utility model provides a TBM host computer belt feeder arrangement structure that can adapt to little turning radius operating mode, set up the swing track 11 that supplies rear portion translation track 4 horizontal hunting in the rear end of host computer belt feeder 8, rear portion translation track 4 swings and can drive the swing of host computer belt feeder 8, different with prior art, when the shield constructs the machine turn, the swing of host computer belt feeder 8 can reduce the horizontal contained angle between 8 front ends of host computer belt feeder and the anterior translation track 3, and then can avoid other parts on the front end of host computer belt feeder 8 and the front shield 1 to take place to interfere, be favorable to reducing the possibility that the shield constructs the machine damage, can improve the reliability of host computer belt feeder 8.

The utility model discloses in the embodiment 2 that provides can adapt to TBM host computer belt feeder arrangement structure of little turning radius operating mode:

the present embodiment is different from embodiment 1 in that: in embodiment 1, the swing rail 11 is an arc-shaped rail. In the present embodiment, the swing track 11 is a linear track.

The utility model discloses in the embodiment 3 that provides can adapt to TBM host computer belt feeder arrangement structure of little turning radius operating mode:

the present embodiment is different from embodiment 1 in that: in embodiment 1, two swing rails 11 are mounted on the support shield 2 in a spaced concentric arrangement. In the present embodiment, only one swing rail 11 is provided on the support shield 2.

Of course, in other embodiments, the front end of the rear translation rail 4 can be hinged on the support shield 2.

The utility model discloses in the embodiment 4 that provides can adapt to TBM host computer belt feeder arrangement structure of little turning radius operating mode:

the present embodiment is different from embodiment 1 in that: in embodiment 1, the rear translation rail 4 is a monorail rail. In this embodiment, the rear translation rail 4 is composed of two monorail rails arranged at a distance from each other.

The utility model discloses in the embodiment 5 that provides can adapt to TBM host computer belt feeder arrangement structure of little turning radius operating mode:

the present embodiment is different from embodiment 1 in that: in embodiment 1, the rear translation rail 4 is provided with a joining table 26, and the first horizontal roller 23 and the first vertical roller 24 are provided on the joining table 26. In this embodiment, the rear translation rail 4 is not provided with the connecting platform 26, and the first horizontal roller 23 and the first vertical roller 24 are directly provided on the rear translation rail 4, so that when connecting, the rear translation rail 4 needs to be lifted, and the two swing rails 11 on the rear side are higher than those on the front side.

The utility model discloses in the embodiment 6 that provides can adapt to TBM host computer belt feeder arrangement structure of little turning radius operating mode:

the present embodiment is different from embodiment 1 in that: in embodiment 1, the front end of the main belt conveyor 8 is provided with a third horizontal roller 18 and a third vertical roller 19, and the third horizontal roller 18 and the third vertical roller 19 form a front end guide device 17. In the embodiment, the third horizontal roller 18 and the third vertical roller 19 are no longer arranged at the front end of the main belt conveyor 8, and the front end of the main belt conveyor 8 and the front translation rail 3 can be connected by adopting a supporting and guiding manner disclosed in the patent document CN111517088A in the prior art.

Of course, in other embodiments, the rear end of the main belt conveyor 8 may also be connected by using the supporting and guiding manner disclosed in the patent document CN111517088A in the prior art.

The utility model discloses in the embodiment 7 that provides can adapt to TBM host computer belt feeder arrangement structure of little turning radius operating mode:

the present embodiment is different from embodiment 1 in that: in embodiment 1, the swing rail 11 is fixed on the support shield by the hoisting rod 12, and the rear translation rail 4 is supported and assembled below the swing rail 11. In the present embodiment, the oscillating rail 11 is directly mounted on the support shield 2, and the rear translation rail 4 is supported above the oscillating rail 11.

The above description is only the preferred embodiment of the present invention, and the present invention is not limited thereto, the protection scope of the present invention is defined by the claims, and all structural changes made by the content of the specification and the drawings should be included in the protection scope of the present invention.

Claims (10)

1. A TBM (Tunnel boring machine) main machine belt conveyor arrangement structure capable of adapting to a small turning radius working condition comprises a front shield (1), a support shield (2) arranged behind the front shield (1) and a main machine belt conveyor (8) arranged between the front shield (1) and the support shield (2), wherein a front translation rail (3) is arranged on the front shield (1), a rear translation rail (4) is arranged on the support shield (2), the front end of the main machine belt conveyor (8) is supported on the front translation rail (3), the rear end of the main machine belt conveyor (8) is supported on the rear translation rail (4), the main machine belt conveyor (8) can deflect left and right on a horizontal plane relative to the front translation rail (3) and the rear translation rail (4), and is characterized in that a swinging rail (11) is arranged at the rear end of the main machine (8), the rear translation rail (4) is arranged on the swinging rail (11) to realize left and right swinging, a rear track driving device for driving the rear translation track (4) to swing left and right is arranged between the support shield (2) and the rear translation track (4).

2. The TBM main machine belt conveyor arrangement structure capable of adapting to the small turning radius working condition of claim 1, wherein the swing track (11) is two arc tracks which are arranged concentrically and at a distance from each other in a front-back direction and are installed on a support shield (2).

3. The TBM main machine belt conveyor arrangement structure capable of adapting to the small turning radius working condition according to the claim 1 or 2, characterized in that the swing track (11) is hoisted on the support shield (2).

4. The TBM main belt conveyor arrangement capable of adapting to small turning radius conditions according to claim 1 or 2, characterized in that the swing track (11) is a single track structure.

5. The TBM main belt conveyor arrangement structure capable of adapting to the small turning radius working condition is characterized in that the cross section of the swing track (11) is in an I shape, the swing track is provided with two rolling support surfaces which are positioned at two sides of the width direction of the base plate corresponding to the transverse line of the bottom of the I shape, the rear translation track (4) is provided with first horizontal rollers (23) and first vertical rollers (24) which are arranged in pairs, the two first horizontal rollers (23) are arranged at intervals and supported on the rolling support surfaces, and the two first vertical rollers (24) are respectively used for being in blocking fit with the front side and the rear side of the base plate.

6. The TBM main machine belt conveyor arrangement structure capable of adapting to the small turning radius working condition as claimed in claim 5, wherein a connecting table (26) is arranged on the rear translation rail (4), the first vertical roller (24) is arranged on the table top of the connecting table (26), and the first horizontal roller (23) is arranged on the first vertical roller (24).

7. The TBM main belt conveyor arrangement capable of adapting to tight turning radius conditions according to claim 1 or 2, characterized in that the rear rail driving device is a driving cylinder (15).

8. The TBM main machine belt conveyor arrangement structure capable of adapting to the small turning radius working condition is characterized in that opposite sides of the rear translation rail (4) in the left-right direction are rolling support surfaces, a second horizontal roller (21) and a second vertical roller (22) are arranged at the rear end of the main machine belt conveyor (8) in pairs, the two second horizontal rollers (21) are supported on the rolling support surfaces, and the two second vertical rollers (22) are respectively stopped at the left side and the right side of the rear translation rail (4).

9. The TBM main belt conveyor arrangement structure capable of adapting to the small turning radius working condition as claimed in claim 8, wherein the rear end of the main belt conveyor (8) is provided with a protruding connecting frame (20), and the second horizontal roller (21) and the second vertical roller (22) are arranged at the top end of the connecting frame (20).

10. The TBM main belt conveyor arrangement structure capable of adapting to the small turning radius working condition according to claim 1 or 2, wherein the front end of the main belt conveyor (8) is provided with third horizontal rollers (18) and third vertical rollers (19), the third horizontal rollers (18) and the third vertical rollers (19) are arranged in pairs, the front translation track (3) is composed of two guide rails arranged at intervals left and right, the two third horizontal rollers (18) are correspondingly supported on the guide rails on the same side, and the two third vertical rollers (19) are respectively blocked at the inner sides of the guide rails on the same side.

Images