CN214030677U

CN214030677U - Buffering device for receiving end of TBM belt conveyor

Info

Publication number: CN214030677U
Application number: CN202023108916.9U
Authority: CN
Inventors: 赵霞; 齐梦学; 马续强; 齐建锋; 李壮; 任明军; 郭惠川; 黄蒲乐; 赵起超
Original assignee: China Railway 18th Bureau Group Co Ltd; Tunnel Engineering Co Ltd of China Railway 18th Bureau Group Co Ltd
Current assignee: China Railway 18th Bureau Group Co Ltd; Tunnel Engineering Co Ltd of China Railway 18th Bureau Group Co Ltd
Priority date: 2020-12-22
Filing date: 2020-12-22
Publication date: 2021-08-24
Anticipated expiration: 2030-12-22

Abstract

The utility model discloses a TBM belt feeder material receiving end buffer. The buffering device comprises a material bearing block, an installation bottom frame and an elastic buffering mechanism, wherein the elastic buffering mechanism is respectively connected with the material bearing block and the installation bottom frame, and one side surface of the material bearing block, which is back to the elastic buffering mechanism, is inclined to the bottom surface of the belt conveyor. This TBM belt feeder material receiving end buffer can cushion the stone of whereabouts through buffer structure, makes can't directly pound the belt after the stone whereabouts, falls the belt again after the buffering, and then has reduced the impact force to the belt, solves the problem of belt fish tail, penetrability damage.

Description

Buffering device for receiving end of TBM belt conveyor

Technical Field

The utility model relates to a tunnel boring machine equipment field, in particular to tunnel boring machine belt feeder material receiving end buffer.

Background

Most of Tunnel construction at present adopts a TBM (Tunnel Boring Machine) tunneling mode, and a belt conveying device is a belt conveying device which is arranged on a TBM main Machine and rear supporting equipment and is used for conveying stone slag generated by rotation of a cutter head, and is a device which is required to be arranged in the tunneling process of the TBM. However, in the tunneling process of the TBM, along with the change of geological rocks, different geological tunneling rocks are different, and collapse and falling rocks exist in part of geology, so that the rocks are too large and fall to the belt to cause impact, so that the belt is punctured by boulders, and the safety and the service life of the belt are influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a TBM belt feeder receives material end buffer solves in the TBM tunneling that TBM belt feeder receives material end to receive the stone to strike the problem that leads to belt fish tail, penetrability damage.

The utility model provides a TBM belt feeder material receiving end buffer, including material bearing piece, installation chassis and elastic buffer mechanism, elastic buffer mechanism is connected with material bearing piece and installation chassis respectively, the material bearing piece is in the oblique top of elastic buffer mechanism's a side orientation dorsad.

According to TBM belt feeder material receiving end buffer, elastic buffer includes spring, installed part, fastening bolt and adjusting nut, first installation department has on the installed part, the second installation department has on the installation chassis, first installation department and second installation department are worn to locate by fastening bolt's pole portion, the spring is located between first installation department and the second installation department and outside the fastening bolt was located to the cover, adjusting nut is located fastening bolt, and the second installation department is located between adjusting nut and the spring.

According to TBM belt feeder material receiving end buffer, first installation department sets up to the channel-section steel buckle, has the draw-in groove on the channel-section steel buckle, fastening bolt's head slip card is located in the draw-in groove.

According to TBM belt feeder material receiving end buffer, elasticity buffer gear sets up to a plurality ofly, a plurality of elasticity buffer gear top-down arranges in proper order, each elasticity buffer gear all is equipped with on the mechanism the material piece that holds, adjacent elasticity buffer gear's side butt.

According to TBM belt feeder material receiving end buffer, the fixed elastic buffer piece that is equipped with on the installation chassis, elastic buffer piece sets up in the oblique below of material receiving piece to paste and lean on the downside in elastic buffer mechanism.

According to TBM belt feeder material receiving end buffer, the fixed elastic buffer block that is equipped with on the installation chassis, this elastic buffer block sets up in the oblique below of material receiving piece to paste and lean on the downside in elastic buffer device.

According to TBM belt feeder material receiving end buffer, the material of material receiving piece is the steel, and thickness is 2.5-3.5 cm.

According to the utility model discloses a TBM belt feeder material receiving end buffer, the contained angle of the side of material receiving piece that is back to elastic buffer mechanism and horizontal plane is 20-40.

According to TBM belt feeder material receiving end buffer, have the first surrounding cylinder that extends towards second installation department direction on the first installation department, the second surrounding cylinder that extends towards first installation department direction has on the second installation department, fastening screw wears to locate first surrounding cylinder and second surrounding cylinder.

According to TBM belt feeder material receiving end buffer, both one of them of upside and downside of installed part are provided with the recess, both the opposite sides of upside and downside of installed part are equipped with the convex part, recess and convex part looks adaptation.

The beneficial effects are that: in the belt transportation, on the pressure of stone whereabouts transmitted elastic buffer earlier, roll down along elastic buffer to the belt of belt feeder afterwards on, this elastic buffer can make behind the stone whereabouts directly pound the belt, falls the belt after the buffering again, has reduced the impact force to the belt, solves the problem that belt fish tail, penetrability damage, makes the belt move more steadily, firm.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The present invention will be further described with reference to the accompanying drawings and examples;

fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is an enlarged view of portion A shown in FIG. 1;

fig. 3 is a schematic structural diagram of another embodiment of the present invention;

fig. 4 is a schematic structural diagram of another embodiment of the present invention;

in the figure: 1. the belt conveyor comprises a material bearing block, 2 springs, 3 mounting pieces, 31 a first mounting portion, 311U-steel buckles, 312 clamping grooves, 32 grooves, 33 protrusions, 4 fastening bolts, 5 adjusting nuts, 6 a mounting underframe, 61 a second mounting portion, 7 an elastic buffer block, 8a first surrounding cylinder, 8b a second surrounding cylinder and 9 a belt conveyor.

Detailed Description

This section will describe in detail the embodiments of the present invention, preferred embodiments of the present invention are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can intuitively and vividly understand each technical feature and the whole technical solution of the present invention, but they cannot be understood as the limitation of the protection scope of the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, the terms greater than, less than, exceeding, etc. are understood to exclude the number, and the terms above, below, inside, etc. are understood to include the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.

Referring to fig. 1 and 2, for the utility model provides a concrete implementation mode, this TBM belt feeder material receiving end buffer can set up in the position at the material receiving end place of belt feeder 9, can cooperate to install on tunnel boring machine, also can install at job site relevant position according to concrete construction environment exclusive use.

The buffering device for the receiving end of the TBM belt conveyor comprises a material bearing block 1, a spring 2, a channel steel buckle 311 provided with a clamping groove 312, a fastening bolt 4, an adjusting nut 5, an installation underframe 6, a second installation part 61 and an elastic buffering block 7. The material bearing block 1 is installed on the outer side of the channel steel buckle 311 in a matched mode, the rod portion of the fastening bolt 4 penetrates through the channel steel buckle 311 and the installation underframe 6, and the fastening bolt 4 is sleeved with the spring 2. The head of the fastening bolt 4 is slidably clamped in the clamping groove 312 of the channel steel buckle 311, the adjusting nut 5 and the second mounting part 61 which are arranged at the bottom of the fastening bolt 4 through screws are fixed on the mounting underframe 6, the mounting mode is flexible, the mounting is convenient, the parts are replaced, and the tightness of the spring 2 can be adjusted through the adjusting nut 5 so as to adapt to different working environments.

In some embodiments, the channel steel buckle 311 may be replaced by a different buckle structure, such as a through hole at the bottom of the first mounting portion 31 of the buckle structure 3 and a movable buckle to fasten the fastening bolt 4.

The elastic buffer mechanism that spring 2, channel-section steel buckle 311, fastening bolt 4, adjusting nut 5 are constituteed can set up to a plurality ofly, and a plurality of elastic buffer device top-down arrange the installation in proper order, and adjacent elastic buffer mechanism's side butt, in use can combine actual service environment to arrange the elastic buffer mechanism of installing different numbers, is adapted to specific construction environment.

The installation chassis 6 is fixedly provided with an elastic buffer block 7, the elastic buffer block 7 is arranged below the material bearing block 1 in an inclined manner and is attached to the lower side surface of the elastic buffer mechanism, the elastic buffer mechanism and the material bearing block 1 are supported when the elastic buffer device is stressed, and damage to the buffer device caused by repeated stress is reduced.

At this TBM belt feeder material receiving end buffer during operation, the stone falls down on material piece 1 back, and on the elastic buffer mechanism that spring 2 constitutes was transmitted to the pressure of stone, the stone falls into the below belt afterwards, can disperse the impact pressure that the stone falls through this buffer, reduces the impact to the belt, reaches the problem that reduces belt fish tail, penetrability damage, makes the belt move more steadily, firm.

The material of the material bearing block 1 is steel, the thickness of the material bearing block is 2.5cm-3cm, for example, the material bearing block is arranged to be a steel block of 3cm, good wear resistance is achieved, impact force generated by overlarge stones can be borne, and multiple times of impact can be borne.

One side surface of the material bearing block 1, which is back to the elastic buffer mechanism, faces obliquely upwards, and the included angle between the side surface and the horizontal plane is 20-40 degrees, for example, the included angle between the side surface and the horizontal plane is 30 degrees anticlockwise, and the included angle between the side surface and the material bearing end of the belt conveyor is 150 degrees anticlockwise, so that the stone blocks can conveniently fall down to the belt conveyor 9 below from the buffer device when the belt conveyor is used.

Referring to fig. 3, the first mounting portion 31 has a first skirt 8a extending in a direction toward the second mounting portion 61, the second mounting portion 61 has a second skirt 8b extending in a direction toward the first mounting portion 31, and the first skirt 8a and the second skirt 8b may be used alone or in combination. When the elastic buffer device is impacted by stones from different directions, besides the pressure borne by the spring 2, shearing force in multiple directions can be generated, and the spring 2 can be damaged by multiple times of impact. The arrangement of the enclosure provides support for the springs 22 to mitigate damage to the springs 2 from impact pressure.

In some embodiments, a different shape of the enclosure or enclosure may be provided to match the shape of the mounting portion, both serving to provide support for the spring 2.

Referring to fig. 4, a groove 32 is provided on one of the upper and lower sides of the mounting member 3, and a protrusion 33 is provided on the other of the upper and lower sides of the mounting member 3, the groove 32 being adapted to the shape of the protrusion 33. When a plurality of elastic buffer mechanisms are arranged for use, the elastic buffer mechanisms are connected through the concave-convex blocks, so that the connection stability is improved. When a stone block impacts one of the elastic buffer devices, the elastic buffer devices nearby can be driven to be in linkage expansion and contraction, the pressure borne by impact is dispersed, the impact force on a single buffer device is reduced, and the service life of the whole buffer device is prolonged.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.

Claims

1. The utility model provides a TBM belt feeder material receiving end buffer, its characterized in that, includes material loading piece (1), installation chassis (6) and elastic buffer mechanism, elastic buffer mechanism is connected with material loading piece (1) and installation chassis (6) respectively, material loading piece (1) one side in elastic buffer mechanism dorsad is towards oblique top.

2. The TBM belt feeder material receiving end buffer of claim 1, characterized in that, elasticity buffer gear includes spring (2), installed part (3), fastening bolt (4) and adjusting nut (5), first installation department (31) have on installed part (3), second installation department (61) have on installation chassis (6), first installation department (31) and second installation department (61) are worn to locate by the pole portion of fastening bolt (4), outside fastening bolt (4) were located to spring (2) between first installation department (31) and second installation department (61) and cover, fastening bolt (4) are located to adjusting nut (5) spiral shell, and second installation department (61) are located between adjusting nut (5) and spring (2).

3. The material receiving end buffering device of the TBM belt conveyor as claimed in claim 2, wherein the first mounting portion (31) is a channel steel buckle (311), the channel steel buckle (311) is provided with a clamping groove (312), and the head of the fastening bolt (4) is slidably clamped in the clamping groove (312).

4. The material receiving end buffering device of the TBM belt conveyor as claimed in claim 1, wherein a plurality of elastic buffering mechanisms are arranged, the plurality of elastic buffering mechanisms are sequentially arranged from top to bottom, each elastic buffering mechanism is provided with the material receiving block (1), the side surfaces of adjacent elastic buffering mechanisms are abutted, and the side surfaces of the material receiving blocks (1) which are back to back are flush.

5. The material receiving end buffering device of the TBM belt conveyor as claimed in claim 1, wherein an elastic buffering block (7) is fixedly arranged on the mounting underframe (6), and the elastic buffering block (7) is arranged obliquely below the material receiving block (1) and is attached to the lower side surface of the elastic buffering mechanism.

6. The buffer device for the receiving end of the TBM belt conveyor is characterized in that the material of the receiving block (1) is steel, and the thickness of the receiving block is 2.5-3.5 cm.

7. The material receiving end buffering device of the TBM belt conveyor as claimed in claim 1, wherein an included angle between one side surface of the material receiving block (1) back to the elastic buffering mechanism and the bottom surface of a horizontal plane is 20-40 degrees.

8. The buffer device for the receiving end of the TBM belt conveyor is characterized in that a first surrounding cylinder (8 a) extending towards a second installation part (61) is arranged on the first installation part (31), a second surrounding cylinder (8 b) extending towards the first installation part (31) is arranged on the second installation part (61), and the fastening bolt (4) penetrates through the first surrounding cylinder (8 a) and the second surrounding cylinder (8 b).

9. The buffer device for the receiving end of the TBM belt conveyor is characterized in that one of the upper side and the lower side of the mounting piece (3) is provided with a groove (32), the other side of the upper side and the lower side of the mounting piece (3) is provided with a convex part (33), and the groove (32) is matched with the convex part (33).