CN216406833U

CN216406833U - 360-degree rotating multifunctional platform for tunnel construction

Info

Publication number: CN216406833U
Application number: CN202121813789.4U
Authority: CN
Inventors: 张磊
Original assignee: Hubei Expressway Industrial Development Co ltd
Current assignee: Hubei Expressway Industrial Development Co ltd
Priority date: 2021-08-05
Filing date: 2021-08-05
Publication date: 2022-04-29
Anticipated expiration: 2031-08-05

Abstract

The utility model belongs to the technical field of tunnel construction, and particularly relates to a 360-degree rotating multifunctional platform for tunnel construction, which aims at the problems that an existing tunnel construction platform is poor in flexibility and low in use efficiency when steering operation is carried out. The crawler type construction platform is convenient to rotate by 360 degrees, the support rods can be controlled to move downwards to enable the crawler to be suspended, the crawler is controlled to rotate to achieve flexible steering, and the use flexibility is improved.

Description

360-degree rotating multifunctional platform for tunnel construction

Technical Field

The utility model relates to the technical field of tunnel construction, in particular to a 360-degree rotating multifunctional platform for tunnel construction.

Background

The Chinese traffic network is developed rapidly, and more highway railway tunnels need to be excavated. In the tunnel construction, a tunnel section which needs to be topped, pumice removed and hole drilling and net hanging operation is arranged between the excavated tunnel face and the finished two-lined tunnel. At present, most of platforms for supporting equipment in tunnel construction are provided with wheels at the bottom, so that operating personnel can push the platforms to move conveniently.

The existing tunnel construction platform is poor in flexibility when steering operation is carried out, and the use efficiency is reduced, so that a 360-degree rotating multifunctional platform for tunnel construction is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects that the existing tunnel construction platform is poor in flexibility and low in use efficiency when steering operation is carried out, and provides a 360-degree rotating multifunctional platform for tunnel construction.

In order to achieve the purpose, the utility model adopts the following technical scheme:

a360-degree rotating multifunctional platform for tunnel construction comprises a construction platform, wherein supporting plates are fixedly arranged on two sides of the bottom of the construction platform, the bottoms of the two supporting plates are fixedly provided with a same connecting plate, the top of the connecting plate is provided with a circular hole, a cylinder is rotatably arranged in the circular hole, a rotating plate is fixedly arranged at the bottom end of the cylinder, brackets are fixedly arranged at four corners of the bottom of the rotating plate, one side, close to each other, of the two brackets on the same side is rotatably provided with a same rotating shaft, the outer side of the rotating shaft is fixedly sleeved with two hubs, the outer side of each hub is fixedly sleeved with a gear ring, the two gear rings on the same side of each bracket are rotatably provided with a same crawler belt, the outer side of one rotating shaft of the two rotating shafts is fixedly sleeved with a driven pulley, the bottom of the rotating plate is fixedly provided with a first motor, and an output shaft of the first motor is fixedly connected with a driving pulley, the driving belt wheel and the driven belt wheel are provided with the same belt in a transmission way, the top end of the cylinder is fixedly provided with a transmission gear, a sleeve plate is sleeved outside the supporting plate in a sliding manner, supporting rods are fixedly arranged on the front side and the rear side of the bottom of the sleeve plate, bottom plates are fixedly arranged at the bottom ends of the four supporting rods, threaded holes are respectively formed in the top parts of the two sleeve plates, two first screw rods are rotatably mounted on the top parts of the connecting plates, the two sleeve plates are respectively connected with the corresponding threaded holes in a threaded sleeve manner, worm gears are fixedly arranged on the two first screw rods, one side of the two support plates, which is close to each other, is rotatably provided with the same worm, the worm is meshed with the two worm gears, and the outside of worm is fixed the cover and is connected with driven gear, the top fixed mounting of connecting plate has second motor and third motor, fixedly connected with driving gear on the output shaft of second motor, and the driving gear meshes with driven gear mutually.

Preferably, a second screw rod is fixedly connected to an output shaft of the third motor, a sliding plate is sleeved on the outer side of the second screw rod in a threaded manner, a rack is fixedly mounted on one side of the sliding plate, and the rack is meshed with the transmission gear.

Preferably, the connecting plate has a top provided with a sliding groove, the inner walls of the two sides of the sliding groove are fixedly connected with a same limiting rod, the sliding plate is slidably mounted in the sliding groove, and the sliding plate is slidably sleeved on the outer side of the limiting rod to guide the sliding plate.

Preferably, the outer side of the cylinder is fixedly sleeved with a limiting ring, and the limiting ring is movably abutted against the top of the connecting plate to limit the cylinder.

Preferably, the four corners of the top of the connecting plate are provided with slide holes, and the four support rods are respectively slidably mounted in the corresponding slide holes to guide the support rods.

Preferably, two circular grooves are formed in the bottom of the construction platform, and the top ends of the two first screw rods are rotatably mounted in the corresponding circular grooves respectively to rotatably position the first screw rods.

According to the 360-degree rotating multifunctional platform for tunnel construction, the third motor is started, the output shaft of the third motor drives the second lead screw to rotate, the second lead screw drives the rack to transversely move through the threaded fit with the sliding plate, at the moment, the crawler lands, the transmission gear fixedly arranged on the cylinder drives the connecting plate and the construction platform to rotate around the cylinder through the meshing with the rack, so that equipment placed at the top of the platform rotates to meet the use requirement, the first motor can be started, the output shaft of the first motor drives the rotating shaft to rotate through the transmission between the driving belt wheel and the driven belt wheel, and the rotating shaft drives the crawler to rotate through the wheel hub and the gear ring, so that the construction platform moves;

according to the 360-degree rotating multifunctional platform for tunnel construction, the second motor is started, the output shaft of the second motor drives the worm to enjoy through the meshing of the driving gear and the driven gear, the worm drives the two first screw rods to synchronously rotate through the meshing of the worm and the two worm gears, the two first screw rods respectively drive the two sleeve plates to move downwards through the thread matching with the corresponding sleeve plates, the two sleeve plates respectively drive the two support rods and the two bottom plates to move downwards, so that the bottom plates are in contact with the ground to support the crawler, the crawler rotates at the moment, the third motor drives the rack to move transversely when in operation, the rack drives the cylinder and the rotating plate to rotate through the meshing of the rack and the transmission gear, the crawler is driven to rotate, and therefore the crawler is steered to move in different directions, and the use flexibility is improved;

the crawler belt steering device is reasonable in structural design, facilitates 360-degree rotation of a construction platform, can control the support rods to move downwards to enable the crawler belt to be suspended in the air, controls the crawler belt to rotate, achieves flexible steering, improves use flexibility and is high in reliability.

Drawings

Fig. 1 is a schematic perspective view of a 360 ° rotation multifunctional platform for tunnel construction according to the present invention;

fig. 2 is a schematic cross-sectional structural view of a 360-degree rotating multifunctional platform for tunnel construction according to the present invention;

FIG. 3 is a schematic structural diagram of part A of a 360-degree rotating multifunctional platform for tunnel construction according to the present invention;

fig. 4 is a schematic structural diagram of a part B of a 360-degree rotating multifunctional platform for tunnel construction according to the present invention.

In the figure: 1. a construction platform; 2. a support plate; 3. a connecting plate; 4. rotating the plate; 5. a rotating shaft; 6. a hub; 7. a crawler belt; 8. a driving pulley; 9. a driven pulley; 10. a support bar; 11. a first motor; 12. a second motor; 13. a third motor; 14. sheathing; 15. a driving gear; 16. a driven gear; 17. a worm; 18. a worm gear; 19. a first lead screw; 20. a chute; 21. a second lead screw; 22. a slide plate; 23. a rack; 24. a transmission gear; 25. and (4) a cylinder.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-4, a 360-degree rotating multifunctional platform for tunnel construction comprises a construction platform 1, wherein support plates 2 are fixedly mounted on both sides of the bottom of the construction platform 1, a same connecting plate 3 is fixedly mounted on the bottoms of the two support plates 2, a circular hole is formed in the top of the connecting plate 3, a cylinder 25 is rotatably mounted in the circular hole, a rotating plate 4 is fixedly mounted at the bottom end of the cylinder 25, brackets are fixedly mounted on four corners of the bottom of the rotating plate 4, a same rotating shaft 5 is rotatably mounted on one side, close to each other, of the two brackets on the same side, two hubs 6 are fixedly sleeved on the outer side of the rotating shaft 5, gear rings are fixedly sleeved on the outer sides of the hubs 6, a same crawler 7 is rotatably mounted on the two gear rings on the same side of the brackets, a driven pulley 9 is fixedly sleeved on the outer side of one rotating shaft 5 of the two rotating shafts 5, and a first motor 11 is fixedly mounted at the bottom of the rotating plate 4, a driving belt wheel 8 is fixedly connected to an output shaft of a first motor 11, the driving belt wheel 8 and a driven belt wheel 9 are provided with the same belt in a transmission manner, a transmission gear 24 is fixedly arranged at the top end of a cylinder 25, sleeve plates 14 are sleeved on the outer sides of supporting plates 2 in a sliding manner, supporting rods 10 are fixedly arranged on the front side and the rear side of the bottoms of the sleeve plates 14, bottom plates are fixedly arranged at the bottom ends of the four supporting rods 10, threaded holes are formed in the tops of the two sleeve plates 14, two first lead screws 19 are rotatably arranged at the top of a connecting plate 3, the two sleeve plates 14 are respectively connected with corresponding threaded holes in a threaded sleeve manner, worm wheels 18 are fixedly arranged on the two first lead screws 19, the same worm 17 is rotatably arranged on the side, close to each other, of the two supporting plates 2, the worm 17 is meshed with the two worm wheels 18, a driven gear 16 is fixedly sleeved on the outer side of the worm 17, and a second motor 12 and a third motor 13 are fixedly arranged at the top of the connecting plate 3, the output shaft of the second motor 12 is fixedly connected with a driving gear 15, and the driving gear 15 is meshed with a driven gear 16.

In the utility model, a second screw rod 21 is fixedly connected to an output shaft of the third motor 13, a sliding plate 22 is sleeved on the outer side of the second screw rod 21 in a threaded manner, a rack 23 is fixedly installed on one side of the sliding plate 22, and the rack 23 is meshed with a transmission gear 24 in the opposite direction.

In the utility model, the top of the connecting plate 3 is provided with a chute 20, the inner walls of two sides of the chute 20 are fixedly connected with the same limiting rod, a sliding plate 22 is slidably arranged in the chute 20, and the sliding plate 22 is slidably sleeved on the outer side of the limiting rod to guide the sliding plate 22.

In the utility model, the outer side of the cylinder 25 is fixedly sleeved with a limiting ring, and the limiting ring is movably abutted against the top of the connecting plate 3 to limit the cylinder 25.

In the utility model, four corners of the top of the connecting plate 3 are provided with sliding holes, and four support rods 10 are respectively slidably mounted in the corresponding sliding holes to guide the support rods 10.

In the utility model, two circular grooves are formed at the bottom of the construction platform 1, and the top ends of the two first screw rods 19 are respectively and rotatably installed in the corresponding circular grooves to rotatably position the first screw rods 19.

In the utility model, when in use, the third motor 13 is started, the output shaft of the third motor 13 drives the second screw rod 21 to rotate, the second screw rod 21 drives the rack 23 to transversely move through the thread matching with the sliding plate 22, at the moment, the crawler 7 lands, the transmission gear 24 fixedly arranged on the cylinder 25 drives the connecting plate 3 and the construction platform 1 to rotate around the cylinder 25 through the meshing with the rack 23, so as to rotate the equipment placed at the top of the cylinder, and the equipment is convenient to use, the first motor 11 can be started, the output shaft of the first motor 11 drives the rotating shaft 5 to rotate through the transmission between the driving belt wheel 8 and the driven belt wheel 9, the rotating shaft 5 drives the crawler 7 to rotate through the hub 6 and the gear ring, so as to move the construction platform 1, and the worm 17 can be driven through the meshing of the driving gear 15 and the driven gear 16 by starting the second motor 12, the worm 17 drives two first lead screws 19 to synchronously rotate through meshing with two worm gears 18, the two first lead screws 19 respectively drive the two sleeve plates 14 to move downwards through thread matching with the corresponding sleeve plates 14, the two sleeve plates 14 respectively drive the two support rods 10 and the two bottom plates to move downwards, the bottom plates are in contact with the ground to support the crawler 7, the crawler 7 rotates at the moment, the third motor 13 drives the rack 23 to transversely move when running, the rack 23 drives the cylinder 25 and the rotating plate 4 to rotate through meshing with the transmission gear 24, the crawler 7 is driven to rotate, the crawler 7 is steered, the moving in different directions is facilitated, and the use flexibility is improved.

Claims

1. A360-degree rotating multifunctional platform for tunnel construction comprises a construction platform (1) and is characterized in that supporting plates (2) are fixedly mounted on two sides of the bottom of the construction platform (1), a same connecting plate (3) is fixedly mounted on the bottoms of the two supporting plates (2), a circular hole is formed in the top of the connecting plate (3), a cylinder (25) is rotatably mounted in the circular hole, a rotating plate (4) is fixedly mounted at the bottom of the cylinder (25), supports are fixedly mounted at four corners of the bottom of the rotating plate (4), a same rotating shaft (5) is rotatably mounted on one side, close to each other, of the two supports on the same side, two hubs (6) are fixedly sleeved on the outer side of each rotating shaft (5), gear rings are fixedly sleeved on the outer sides of the hubs (6), a same crawler belt (7) is rotatably mounted on the two gear rings on the same side of each support, and a driven belt pulley (9) is fixedly sleeved on the outer side of one rotating shaft (5) of the two rotating shafts (5), the bottom of the rotating plate (4) is fixedly provided with a first motor (11), an output shaft of the first motor (11) is fixedly connected with a driving belt wheel (8), the driving belt wheel (8) and a driven belt wheel (9) are provided with the same belt in a transmission manner, the top end of the cylinder (25) is fixedly provided with a transmission gear (24), the outer side of the supporting plate (2) is sleeved with a sleeve plate (14) in a sliding manner, the front side and the rear side of the bottom of the sleeve plate (14) are respectively and fixedly provided with a supporting rod (10), the bottom ends of the four supporting rods (10) are respectively and fixedly provided with a bottom plate, the top parts of the two sleeve plates (14) are respectively provided with a threaded hole, the top part of the connecting plate (3) is rotatably provided with two first screw rods (19), the two sleeve plates (14) are respectively connected with corresponding threaded holes in a manner, worm wheels (18) are respectively and fixedly provided on the two first screw rods (19), one side, which is close to the two supporting plates (2) is rotatably provided with a worm (17), worm (17) and two worm wheel (18) mesh mutually, and the fixed cover in the outside of worm (17) has connect driven gear (16), the top fixed mounting of connecting plate (3) has second motor (12) and third motor (13), fixedly connected with driving gear (15) on the output shaft of second motor (12), and driving gear (15) mesh mutually with driven gear (16).

2. The 360-degree rotating multifunctional platform for tunnel construction according to claim 1, wherein a second screw rod (21) is fixedly connected to an output shaft of the third motor (13), a sliding plate (22) is sleeved on the outer side of the second screw rod (21) in a threaded manner, a rack (23) is fixedly installed on one side of the sliding plate (22), and the rack (23) is meshed with the transmission gear (24) in the axial direction.

3. The 360-degree rotating multifunctional platform for tunnel construction according to claim 2, wherein a sliding groove (20) is formed in the top of the connecting plate (3), the same limiting rod is fixedly connected to the inner walls of the two sides of the sliding groove (20), the sliding plate (22) is slidably mounted in the sliding groove (20), and the sliding plate (22) is slidably sleeved on the outer side of the limiting rod.

4. The 360-degree rotating multifunctional platform for tunnel construction according to claim 1, wherein a limiting ring is fixedly sleeved on the outer side of the cylinder (25) and movably abutted against the top of the connecting plate (3).

5. The 360-degree rotating multifunctional platform for tunnel construction according to claim 1, wherein four corners of the top of the connecting plate (3) are provided with slide holes, and four support rods (10) are slidably mounted in the corresponding slide holes respectively.

6. The 360-degree rotating multifunctional platform for tunnel construction as claimed in claim 1, wherein the bottom of the construction platform (1) is provided with two circular grooves, and the top ends of the two first screws (19) are respectively rotatably mounted in the corresponding circular grooves.