CN219888060U

CN219888060U - Steel arched girder assembling structure of hard rock heading machine

Info

Publication number: CN219888060U
Application number: CN202321710114.6U
Authority: CN
Inventors: 李菊
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-07-03
Filing date: 2023-07-03
Publication date: 2023-10-24
Anticipated expiration: 2033-07-03

Abstract

The utility model provides a steel arched girder assembling structure of a hard rock tunneling machine. The steel arched girder assembling structure of the hard rock tunneling machine comprises four steel arched girders and eight shackles arranged on the four steel arched girders, a bolt block is arranged between every two adjacent steel arched girders, a joint plate is installed on any one bolt block in a sliding mode, an inserting plate is fixedly installed on the outer wall of one side of the joint plate, one side of the inserting plate is extended into the corresponding bolt block, two threaded sleeves are fixedly installed on the outer wall of one side of the joint plate, and two threaded rods are arranged on the outer wall of one side of the joint plate. The steel arched girder assembling structure of the hard rock tunneling machine has the advantages of being convenient to operate, improving the assembling efficiency of the steel arched girders and reducing the labor intensity of workers.

Description

Steel arched girder assembling structure of hard rock heading machine

Technical Field

The utility model relates to the technical field of steel arched girder splicing, in particular to a steel arched girder splicing structure of a hard rock tunneling machine.

Background

The hard rock development machine is usually used in the excavation of tunnel, and equipment front end is provided with large-scale circular cutting dish, and circular tunnel rudiment is excavated in the mountain that can be quick, and after the hard rock development machine excavates, in order to prevent that the inside condition such as falling stone or collapsing of occurrence of tunnel, need prop through steel arched girder to this effect that plays the protection.

But at present, the splicing part of the steel arched girder is positioned by mechanical equipment in the splicing of the steel arched girder, but most of the adopted splicing modes are traditional connection modes of bolt matching angle irons, so that the whole process is complex, the splicing efficiency of the steel arched girder is lower, the consumption of manpower is relatively higher, the stability of the bolt connection cannot be ensured after the steel arched girder is spliced by bolts and the like, the running of various equipment in tunnel excavation can not be avoided, and the bolt connection is easier to appear in the condition of whirling under the condition of being subjected to the jolt for a long time, thereby causing the loosening of the bolts and having certain potential safety hazards.

Therefore, it is necessary to provide a new steel arched girder assembling structure of a hard rock tunneling machine to solve the above technical problems.

Disclosure of Invention

The utility model solves the technical problem of providing the steel arched girder assembling structure of the hard rock tunneling machine, which is convenient to operate, improves the assembling efficiency of the steel arched girders and reduces the labor intensity of workers.

In order to solve the technical problems, the steel arched girder assembling structure of the hard rock heading machine provided by the utility model comprises the following components: four steel arched girders and set up eight shackles on four steel arched girders, be provided with the latch block between two adjacent steel arched girders, all slidable mounting joint board on any one latch block, all fixed mounting has the inserted plate on the outer wall of one side of any one joint board, one side of any one inserted plate all extends to corresponding latch block in, all fixed mounting has two screw sleeve on the outer wall of one side of any one joint board, all is provided with two threaded rods on the outer wall of one side of any one latch block, one end of two threaded rods extends to in the corresponding screw sleeve respectively and closes with its inner wall mutually in the screw.

Preferably, two positioning cylinders are fixedly installed on any one steel arched beam, one end of each of the plurality of threaded sleeves penetrates through the plurality of positioning cylinders and is in sliding connection with the inner wall of the positioning cylinders, and fixing plates are fixedly installed on the outer walls of one sides of the four plug blocks and the four connecting plates.

Preferably, the top of any one of the bolt blocks is fixedly provided with a top plate, the outer walls of the two sides of the top plate are fixedly provided with accommodating cylinders, the two accommodating cylinders are internally provided with transmission rods in a sliding manner, one ends of the two transmission rods, which are far away from each other, are rotatably provided with rotating hooks, and the two rotating hooks are hooked on two corresponding shackles.

Preferably, the inner wall of any one of the accommodating cylinders is rotatably provided with an internal thread cylinder, and one end of the corresponding transmission rod penetrates through the internal thread cylinder and is screwed with the inner wall of the internal thread cylinder.

Preferably, a clamping cylinder is fixedly arranged on the outer wall of one side of any one of the plug blocks, an adjusting rod is slidably arranged in the clamping cylinder, a hand pulling plate is fixedly arranged at one end of the adjusting rod, two hexagonal clamping blocks are fixedly arranged on the outer wall of one side of the hand pulling plate, hexagonal rotating blocks are fixedly arranged at one ends of the corresponding two threaded rods, hexagonal clamping grooves are formed in the two hexagonal rotating blocks, and the two hexagonal clamping blocks extend into the two hexagonal clamping grooves.

Preferably, the outer wall of the clamping cylinder is provided with an avoidance groove, and the outer wall of the adjusting rod is rotatably provided with an abutting ring.

Compared with the related art, the steel arched girder assembling structure of the hard rock tunneling machine has the following beneficial effects:

the utility model provides a steel arched girder assembling structure of a hard rock tunneling machine, which is characterized in that after the hard rock tunneling machine works, two adjacent steel arched girders are fixed through a bolt block and a connecting plate, and the connectivity between the two adjacent steel arched girders is further improved through the connection of two rotating hooks.

Drawings

FIG. 1 is a schematic view of a steel arched girder assembly structure of a hard rock tunneling machine according to a preferred embodiment of the present utility model;

FIG. 2 is a schematic view of a part of the enlarged structure shown in FIG. 1;

FIG. 3 is a schematic side elevational view of the latch block of FIG. 1;

FIG. 4 is a schematic view showing the connection of the latch block and the connector plate shown in FIG. 1;

FIG. 5 is a schematic view of the connection of the latch block shown in FIG. 1;

FIG. 6 is a schematic rear view of the hand pulling plate of FIG. 1;

fig. 7 is a schematic rear view of the connector plate of fig. 1.

Reference numerals in the drawings: 1. steel arched beams; 2. a shackle; 3. a positioning cylinder; 4. a latch block; 5. a fixing plate; 6. a splice plate; 7. an insertion plate; 8. a threaded sleeve; 9. a threaded rod; 10. hexagonal rotary blocks; 11. clamping the cylinder; 12. a sliding plate; 13. an adjusting rod; 14. a collision ring; 15. a hand pulling plate; 16. a hexagonal clamping block; 17. a spring; 18. a top plate; 19. a receiving cylinder; 20. a transmission rod; 21. an internal thread cylinder; 22. the hook is rotated.

Detailed Description

The utility model will be further described with reference to the drawings and embodiments.

Referring to fig. 1 to fig. 7 in combination, fig. 1 is a schematic structural view of a preferred embodiment of a steel arched girder assembling structure of a hard rock tunneling machine according to the present utility model; FIG. 2 is a schematic view of a part of the enlarged structure shown in FIG. 1; FIG. 3 is a schematic side elevational view of the latch block of FIG. 1; FIG. 4 is a schematic view showing the connection of the latch block and the connector plate shown in FIG. 1; FIG. 5 is a schematic view of the connection of the latch block shown in FIG. 1; FIG. 6 is a schematic rear view of the hand pulling plate of FIG. 1; fig. 7 is a schematic rear view of the connector plate of fig. 1. The steel arched girder assembling structure of the hard rock tunneling machine comprises: four steel arched beams 1 and eight shackles 2 arranged on the four steel arched beams 1, wherein the eight shackles 2 are respectively arranged on the four steel arched beams 1, the four steel arched beams 1 are all one fourth of a complete round steel beam, two shackles 2 on any one steel arched beam 1 are symmetrically arranged at the middle point of the steel arched beam 1, a bolt block 4 is arranged between two adjacent steel arched beams 1, the bolt block 4 is shaped like a letter 'T' in overlooking mode, a groove is formed on the outer wall of one side of the bolt block 4, a joint plate 6 is slidably arranged on the outer wall of one side of any joint plate 6, an insertion plate 7 is fixedly arranged on the outer wall of one side of any joint plate 6, one side of any one of the inserting plates 7 extends into the corresponding bolt block 4, a sliding rail is fixedly arranged on the outer wall of the inserting plate 7, a sliding rail is arranged on the inner wall of the groove, the sliding rail is in sliding connection with the inner wall of the sliding rail, two threaded sleeves 8 are fixedly arranged on the outer wall of one side of any one of the connecting plates 6, two threaded rods 9 are arranged on the outer wall of one side of any one of the bolt blocks 4, one ends of the two threaded rods 9 extend into the corresponding threaded sleeves 8 and are screwed with the inner wall of the corresponding threaded sleeves respectively, and the threaded rods 9 penetrate through the outer wall of one side of the bolt block 4 and are in sliding connection with the outer wall of the bolt block 4.

Two positioning cylinders 3 are fixedly installed on any one steel arched beam 1, the two positioning cylinders 3 are symmetrically arranged based on the middle point of the steel arched beam 1, the positioning cylinders 3 penetrate through the steel arched beam 1, one ends of a plurality of threaded sleeves 8 penetrate through the positioning cylinders 3 and are in sliding connection with the inner walls of the positioning cylinders, fixing plates 5 are fixedly installed on the outer walls of one sides of the four plug blocks 4 and the four connecting plates 6, and ground anchors are arranged on the fixing plates 5.

The top of arbitrary latch 4 all fixed mounting has top board 18, equal fixed mounting holds section of thick bamboo 19 on the both sides outer wall of top board 18, equal slidable mounting has transfer line 20 in two hold section of thick bamboo 19, combine the figure 3 to show, equal fixed mounting has the slide bar on one end of two transfer lines 20, equal fixed mounting has spacing section of thick bamboo on the both sides outer wall of top board 18, the one end of two slide bars extends to in two spacing section of thick bamboo respectively and rather than inner wall sliding connection, equal rotation installs the rotation couple 22 on the one end that two transfer lines 20 kept away from each other, equal fixed mounting has articulated seat on the one end that two transfer lines 20 kept away from each other, two rotation couple 22 are located two articulated seats respectively, two rotation couple 22 all are on two corresponding shackles 2 of hook.

An internal thread cylinder 21 is rotatably mounted on the inner wall of any one of the accommodating cylinders 19, one end of the internal thread cylinder 21 extends out of the accommodating cylinder 19, and one end of a corresponding transmission rod 20 penetrates through the internal thread cylinder 21 and is screwed with the inner wall of the internal thread cylinder 21, so that the transmission rod 20 cannot rotate along with the internal thread cylinder 21 through the limit effect of the sliding rod, but moves in the limit direction of the sliding rod under the side effect of the threads.

The clamping cylinder 11 is fixedly arranged on the outer wall of one side of any bolt block 4, the adjusting rod 13 is slidably arranged in the clamping cylinder 11, one end of the adjusting rod 13 extends out of the clamping cylinder 11, the hand pulling plate 15 is fixedly arranged on one end of the adjusting rod 13, two hexagonal clamping blocks 16 are fixedly arranged on the outer wall of one side of the hand pulling plate 15, the two hexagonal clamping blocks 16 are symmetrically arranged based on the middle point of the hand pulling plate 15, the hexagonal rotating blocks 10 are fixedly arranged on one ends of the corresponding two threaded rods 9, the hexagonal clamping grooves are formed in the two hexagonal rotating blocks 10, the two hexagonal clamping blocks 16 extend into the two hexagonal clamping grooves, and in combination with the illustration in fig. 5, the sliding plate 12 is slidably arranged in the clamping cylinder 11, the adjusting rod 13 is fixedly arranged on the outer wall of one side of the sliding plate 12, the spring 17 is arranged in the clamping cylinder 11, one end of the spring 17 is fixedly connected with the outer wall of one side of the sliding plate 12, the other end of the spring 17 is fixedly connected with the inner wall of the clamping cylinder 11, and the two hexagonal clamping blocks 16 are always located in the corresponding hexagonal clamping grooves under the condition of being unaffected by the external force through the arrangement of the spring 17.

An avoidance groove is formed in the outer wall of the clamping cylinder 11, one side of the avoidance groove is provided with an opening, an abutting ring 14 is rotatably arranged on the outer wall of the adjusting rod 13, and a convex column is connected to the outer wall of the abutting ring 14 as shown in fig. 6.

The working principle of the steel arched girder assembling structure of the hard rock tunneling machine provided by the utility model is as follows:

when the steel arched beams 1 need to be spliced, firstly, a worker can select one connecting plate 6 and fix the connecting plate 6 on the ground through the fixing plate 5 and the ground anchors, then two positioning cylinders 3 on two adjacent steel arched beams 1 are respectively opposite to two threaded sleeves 8 on the connecting plate 6 and put in, at the moment, the preliminary positioning of the two steel arched beams 1 is realized, then the grooves of the bolt blocks 4 are aligned with the inserting plates 7 on the connecting plate 6, after the connecting plate is completely put in, two threaded rods 9 on the bolt blocks 4 are respectively screwed into the two threaded sleeves 8 by means of a hexagonal wrench and the like, after the two threaded rods 9 are completely screwed in, at the moment, the inserting plates 7 completely enter the grooves, meanwhile, the bolt blocks 4 and the connecting plate 6 are positioned on two sides of the steel arched beams 1 to clamp the two steel arched beams 1, and then the bolt blocks 4 are fixed on the ground through the ground anchors.

The worker can then rotate the two internal thread cylinders 21 respectively, so that the two transmission rods 20 are respectively moved out of the two accommodating cylinders 19, rotate the two rotating hooks 22 after a certain distance is moved out, hook the two rotating hooks 22 on the two shackles 2 respectively, and then reversely rotate the two internal thread cylinders 21 to make the two transmission rods 20 in a tight state, thereby further improving the connection between the two steel arched girders 1 and simultaneously improving the stability between the two adjacent steel arched girders 1.

In order to rotate the hexagonal rotary block 10, after the above operation is completed, the abutting ring 14 may be rotated, so that the protruding column on the abutting ring 14 faces the opposite direction avoiding groove, and the hand pulling plate 15 moves towards the clamping cylinder 11 under the tension of the spring 17, so that the two hexagonal clamping blocks 16 enter the two hexagonal clamping grooves respectively, thereby realizing the limit of the two hexagonal rotary blocks 10, and preventing the two hexagonal rotary blocks 10 from automatically rotating due to external force.

The four steel arched girders 1 are connected one by one in the above manner and can form a complete ring girder as shown in fig. 1, thereby effectively supporting the excavated tunnel.

the utility model provides a steel arched girder assembling structure of a hard rock tunneling machine, which is characterized in that after the hard rock tunneling machine works, two adjacent steel arched girders 1 are fixed through a bolt block 4 and a connecting plate 6, and the connectivity between the two adjacent steel arched girders 1 is further improved through the connection of two rotating hooks 22, so that the whole process is rapid and convenient, and simultaneously, after the splicing is finished, a hexagonal rotary block 10 can be limited through a hexagonal clamping block 16, thereby preventing the threaded rod 9 from being subjected to the condition of unnatural rotation caused by external force, greatly improving the splicing stability and improving the splicing safety.

The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present utility model.

Claims

1. A steel arched girder assembling structure of a hard rock heading machine, comprising: four steel arched girders and set up four eight shackles on the steel arched girders, its characterized in that, two adjacent steel arched girders are provided with the latch block between, arbitrary one the equal slidable mounting of latch block is connected with the board, arbitrary one on the outer wall of one side of the board is connected with the board that inserts all fixed mounting, arbitrary one on the board that inserts all extends to corresponding in the latch block, arbitrary one on the outer wall of one side of the board is connected with two screw sleeve all fixed mounting, arbitrary one on the outer wall of one side of latch block all be provided with two threaded rods, two threaded rods's one end extends respectively to corresponding in the screw sleeve and with its inner wall looks spin.

2. The steel arched girder assembling structure of a hard rock tunneling machine according to claim 1, wherein two positioning cylinders are fixedly installed on any one of the steel arched girders, one ends of a plurality of threaded sleeves respectively penetrate through the positioning cylinders and are in sliding connection with the inner walls of the positioning cylinders, and fixing plates are fixedly installed on the outer walls of one sides of the four bolt blocks and the four joint plates.

3. The steel arched girder assembling structure of a hard rock tunneling machine according to claim 2, wherein a top plate is fixedly installed at the top of any one of the bolt blocks, accommodating cylinders are fixedly installed on the outer walls of two sides of the top plate, transmission rods are slidably installed in the two accommodating cylinders, rotating hooks are rotatably installed at one ends, away from each other, of the two transmission rods, and the two rotating hooks are hooked on the corresponding two hooks.

4. A steel arched girder assembling structure of a hard rock tunneling machine according to claim 3, wherein an internal thread cylinder is rotatably installed on an inner wall of any one of the accommodating cylinders, and one end of the corresponding transmission rod penetrates through the internal thread cylinder and is screwed with the inner wall of the internal thread cylinder.

5. The steel arched girder assembling structure of the hard rock tunneling machine according to claim 4, wherein a clamping cylinder is fixedly installed on the outer wall of one side of any one of the plug blocks, an adjusting rod is slidably installed in the clamping cylinder, a hand pulling plate is fixedly installed on one end of the adjusting rod, two hexagonal clamping blocks are fixedly installed on the outer wall of one side of the hand pulling plate, hexagonal rotary blocks are fixedly installed on one end of each of the corresponding two threaded rods, hexagonal clamping grooves are formed in each of the two hexagonal rotary blocks, and the two hexagonal clamping blocks extend into the two hexagonal clamping grooves.

6. The steel arched girder assembling structure of the hard rock tunneling machine according to claim 5, wherein an avoidance groove is formed in the outer wall of the clamping cylinder, and an abutting ring is rotatably installed on the outer wall of the adjusting rod.