CN219387898U - Telescoping mechanism of tunnel construction platform - Google Patents
Telescoping mechanism of tunnel construction platform Download PDFInfo
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- CN219387898U CN219387898U CN202320839610.5U CN202320839610U CN219387898U CN 219387898 U CN219387898 U CN 219387898U CN 202320839610 U CN202320839610 U CN 202320839610U CN 219387898 U CN219387898 U CN 219387898U
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Abstract
The utility model relates to the technical field of tunnels, and provides a telescopic mechanism of a tunnel construction platform, which comprises: the base, the top of base is provided with stable subassembly, stable subassembly's top fixed mounting has the loading board, the top fixed mounting of loading board has the protection frame, buffer unit sets up on the loading board, fixed case is fixed to the top of base respectively, the top swing joint of fixed case has the threaded rod, drive the driven bevel gear rather than meshing connection through power component, thereby make the threaded rod of bearing installation on the fixed case rotate, then the threaded rod in the rotation drives its lateral wall on threaded connection's internal thread section of thick bamboo and can be stable drive the loading board carry out flexible lift under stable subassembly's cooperation, lock through internal thread section of thick bamboo threaded rod that adjusts at last, thereby make things convenient for the workman to construct promptly, can improve the bearing capacity and the stable effect of loading board again, and then make the loading board can not appear the whereabouts phenomenon because of bearing overweight.
Description
Technical Field
The utility model relates to the technical field of tunnels, in particular to a telescopic mechanism of a tunnel construction platform.
Background
Tunnels are engineering structures buried in an underground formation, a form of human use of underground space. The tunnel can be divided into a traffic tunnel, a hydraulic tunnel, a municipal tunnel, a mine tunnel and a military tunnel, the structure of the tunnel comprises a main building and auxiliary equipment, the main building comprises a tunnel body and a tunnel door, the auxiliary equipment comprises a car shelter, a fire protection facility, an emergency communication facility and a water-proof facility, and the long tunnel is provided with special ventilation and illumination equipment.
The known China public authorized utility model CN217538713U discloses an automatic telescopic multifunctional tunnel construction rack, which comprises a construction operation platform, wherein the bottom of the construction operation platform is provided with a lifting mechanism, the lifting mechanism comprises a movable base and a telescopic rod assembly which is driven to lift by a gear transmission assembly, the gear transmission assembly comprises a motor, a primary driving wheel, a primary driven wheel, a transverse transmission shaft rod and a longitudinal transmission shaft rod positioned at the front end and the rear end of the transverse transmission shaft rod, a rotating shaft of the motor is connected with the primary driving wheel, the primary driven wheel is arranged in the middle of the transverse transmission shaft rod, two ends of the transverse transmission shaft rod are provided with secondary driving bevel gears, and the middle of the longitudinal transmission shaft rod is provided with a secondary driven bevel gear; three-stage driving wheels are arranged at two ends of the longitudinal transmission shaft lever; the telescopic rod assembly comprises supporting cylinders positioned at four corners below the construction operation platform and racks with lower parts arranged in the supporting cylinders, and the construction operation platform is provided with a fence, and has the advantages of saving consumables, reducing cost, improving tunnel construction efficiency, being flexible to use and the like.
However, the above-described scheme has been found to have the following problems in the implementation of the related art: in the prior art, the telescopic stabilizing effect is poor in the use process, the bearing force between the rack and the driving wheel is low, so that the rack and the construction operation platform are easy to fall down due to the overload bearing, and further constructors can possibly fall down or collide from the construction platform due to unstable stations, and the like, so that a telescopic mechanism of the tunnel construction platform is needed.
Disclosure of Invention
The utility model provides a telescopic mechanism of a tunnel construction platform, which solves the problems that the telescopic stabilizing effect is poor, the bearing force between a rack and a driving wheel is low, and the rack and the construction operation platform are easy to fall down due to overload bearing in the related art.
The technical scheme of the utility model is as follows: a telescoping mechanism for a tunnel construction platform, comprising: the device comprises a base, wherein a stabilizing assembly is arranged at the top of the base, a bearing plate is fixedly arranged at the top of the stabilizing assembly, and a protection frame is fixedly arranged at the top of the bearing plate;
the buffer component is arranged on the bearing plate;
the top of the base is fixedly provided with a fixed box respectively, the top of the fixed box is movably connected with a threaded rod, the bottom of the bearing plate is fixedly provided with an internal thread cylinder respectively, the internal thread cylinder is in threaded connection with the threaded rod, and one end of the threaded rod extends to the inside of the fixed box and is fixedly connected with a driven bevel gear;
the power assembly is positioned at the top of the base, and the output end of the power assembly is connected with the driven bevel gear in a meshed manner;
the limiting assembly is positioned at the top of the base, and the output end of the limiting assembly is connected with the threaded rod.
Preferably, the stabilizing assembly comprises two H-shaped frames fixedly mounted at the top of the base, the H-shaped frames are located at two sides of the fixing box, fixing columns are movably inserted into the inner sides of the H-shaped frames, and the other ends of the fixing columns are fixedly connected with the bearing plate.
Preferably, the bottom of the fixed column is provided with a mounting groove, a first spring is arranged in the mounting groove, and the first spring is located in the H-shaped frame and the fixed column.
Preferably, the power component comprises a motor fixedly mounted at the top of the base, a connecting rod penetrates through the fixed box, the connecting rod is movably connected with the fixed box, two driving bevel gears are fixedly mounted on the outer side wall of the connecting rod, and the driving bevel gears are connected with the driven bevel gears in a meshed mode.
Preferably, the buffer assembly comprises a first T-shaped rod penetrating through the bearing plate, the first T-shaped rod is movably inserted between the bearing plate, one end of the first T-shaped rod is fixedly connected with a pedal, a second spring is sleeved on the outer side of the first T-shaped rod, and the second spring is located between the pedal and the bearing plate.
Preferably, the base is respectively provided with a U-shaped rod in a penetrating manner, the U-shaped rods are movably inserted into the base, the two ends of each U-shaped rod are fixedly provided with discs, the outer sides of the U-shaped rods are sleeved with third springs, and the third springs are located between the discs and the base.
Preferably, the base is respectively provided with a second T-shaped rod in a penetrating way, the second T-shaped rod is movably inserted into the base, one end of the second T-shaped rod is fixedly provided with a strip-shaped plate, and the strip-shaped plate is positioned below the disc.
Preferably, the limiting assembly comprises a cylinder fixedly mounted at the top of the base through a U-shaped frame, the output end of the cylinder is fixedly connected with a connecting plate, one side of the connecting plate is fixedly provided with a clamping plate, the outer side wall of the threaded rod is fixedly provided with a spur gear, the spur gear is located above the fixed box, and the other end of the clamping plate is clamped with a gap between adjacent teeth on the spur gear.
Preferably, a ladder stand is fixedly arranged on one side of the bearing plate, and the fixed square of the ladder stand is identical to the square of the opening and closing door on the protection frame.
The working principle and the beneficial effects of the utility model are as follows:
1. driven bevel gear through power component drive rather than meshing connection to make the threaded rod of fixed case upper bearing installation rotate, then the threaded rod in the rotation drives its lateral wall on threaded connection's internal thread section of thick bamboo and can be stable drive the loading board and stretch out and draw back the lift under stabilizing component's cooperation, lock through internal thread section of thick bamboo the threaded rod that adjusts at last, thereby make things convenient for the workman to construct promptly, can improve the bearing capacity and the stable effect of loading board again, and then make the loading board can not appear the whereabouts phenomenon because of bearing overweight.
2. The pedal is buffered through the second spring, so that the pedal can stably move and buffer slightly on the bearing plate under the action of the first T-shaped rod, and further the dangerous situations that a worker falls down from the bearing plate or collides with the bearing plate and the protective frame to scratch due to unstable standing caused by large impact force when the bearing plate is lifted are avoided.
Drawings
The utility model will be described in further detail with reference to the drawings and the detailed description.
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic structural view of a stabilizing assembly according to the present utility model;
FIG. 3 is a schematic cross-sectional view of the stationary box of the present utility model;
fig. 4 is a schematic structural view of the U-shaped frame of the present utility model.
In the figure: 1. a base; 2. a stabilizing assembly; 21. an H-shaped frame; 22. fixing the column; 3. a carrying plate; 4. a protective frame; 5. a buffer assembly; 51. a first T-bar; 52. stepping on the pedal; 53. a second spring; 6. a fixed box; 7. a threaded rod; 8. an internal thread cylinder; 9. a driven bevel gear; 10. a power assembly; 101. a motor; 102. a connecting rod; 103. a driving bevel gear; 11. a mounting groove; 12. a first spring; 13. a U-shaped rod; 14. a disc; 15. a third spring; 16. a second T-bar; 17. a strip-shaped plate; 18. a limit component; 1801. a cylinder; 1802. a connecting plate; 1803. spur gears.
Detailed Description
The technical solutions of the embodiments of the present utility model will be clearly and completely described below in conjunction with the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-4, the present utility model provides a technical scheme of a telescopic mechanism of a tunnel construction platform: comprising the following steps: the device comprises a base 1, wherein a stabilizing assembly 2 is arranged at the top of the base 1, a bearing plate 3 is fixedly arranged at the top of the stabilizing assembly 2, and a protection frame 4 is fixedly arranged at the top of the bearing plate 3;
the buffer assembly 5 is arranged on the bearing plate 3;
the top of the base 1 is fixedly provided with a fixed box 6 respectively, the top of the fixed box 6 is movably connected with a threaded rod 7, the bottom of the bearing plate 3 is fixedly provided with an internal thread cylinder 8 respectively, the internal thread cylinder 8 is in threaded connection with the threaded rod 7, and one end of the threaded rod 7 extends to the inside of the fixed box 6 and is fixedly connected with a driven bevel gear 9;
the power assembly 10 is positioned at the top of the base 1, and the output end of the power assembly 10 is in meshed connection with the driven bevel gear 9;
the limiting assembly 18 is positioned at the top of the base 1, and the output end of the limiting assembly 18 is connected with the threaded rod 7;
the base 1 is respectively provided with a U-shaped rod 13 in a penetrating way, the U-shaped rod 13 is movably inserted into the base 1, two ends of the U-shaped rod 13 are fixedly provided with discs 14, the outer side of the U-shaped rod 13 is sleeved with a third spring 15, and the third spring 15 is positioned between the discs 14 and the base 1;
the base 1 is respectively provided with a second T-shaped rod 16 in a penetrating way, the second T-shaped rods 16 are movably inserted into the base 1, one end of each second T-shaped rod 16 is fixedly provided with a strip-shaped plate 17, and the strip-shaped plates 17 are positioned below the disc 14;
one side of the bearing plate 3 is fixedly provided with a cat ladder, and the fixed square of the cat ladder is the same as the square of the opening and closing door on the protective frame 4.
After the base 1 moves to the suitable position, the second T-shaped rod 16 is manually rotated, so that the second T-shaped rod 16 drives the strip-shaped plate 17 to rotate and far away from the disc 14, the disc 14 can descend and contact the ground under the drive of the third spring 15, the base 1 can not move when in use, then the base 1 is manually climbed onto the bearing plate 3 through the ladder stand, then the driven bevel gear 9 in meshed connection with the base is driven through the power assembly 10, so that the threaded rod 7 on the fixed box 6 rotates, the threaded rod 7 in rotation drives the internal thread cylinder 8 in threaded connection with the side wall of the threaded rod 7 and can stably drive the bearing plate 3 to lift under the limit of the cooperation of the stabilizing assembly 2, so that the construction of workers is facilitated, and the bearing capacity and the stabilizing effect of the bearing plate 3 can be improved.
In this embodiment, specifically, the stabilizing assembly 2 includes two H-shaped frames 21 fixedly installed on the top of the base 1, the H-shaped frames 21 are located at two sides of the fixed box 6, the inner sides of the H-shaped frames 21 are movably inserted with fixing columns 22, and the other ends of the fixing columns 22 are fixedly connected with the bearing plate 3;
the bearing plate 3 is conveniently limited and fixed through the H-shaped frame 21 and the fixed column 22, so that the threaded rod 7 can drive the bearing plate 3 to lift through the internal thread cylinder 8.
In this embodiment, specifically, the bottom of the fixing column 22 is provided with a mounting groove 11, the inside of the mounting groove 11 is provided with a first spring 12, and the first spring 12 is located inside the H-shaped frame 21 and the fixing column 22;
through the first spring 12 inside the mounting groove 11, the cushioning effect can be improved through the supporting stability of the bearing plate 3.
In this embodiment, specifically, the power assembly 10 includes a motor 101 fixedly installed on the top of the base 1, a connecting rod 102 is penetratingly provided on the fixed box 6, the connecting rod 102 is movably connected with the fixed box 6, two driving bevel gears 103 are fixedly installed on the outer side wall of the connecting rod 102, and the driving bevel gears 103 are engaged with the driven bevel gears 9;
the motor 101 drives the connecting rod 102 to rotate with the driving bevel gear 103 fixedly arranged on the outer side wall of the connecting rod 102, and then the driving bevel gear 103 in rotation can drive the threaded rod 7 to rotate through the driven bevel gear 9 meshed with the driving bevel gear 103, so that the bearing plate 3 can stretch out and draw back.
In this embodiment, specifically, the buffer assembly 5 includes a first T-shaped rod 51 penetrating through the carrier plate 3, where the first T-shaped rod 51 is movably inserted into the carrier plate 3, one end of the first T-shaped rod 51 is fixedly connected with a pedal plate 52, a second spring 53 is sleeved on the outer side of the first T-shaped rod 51, and the second spring 53 is located between the pedal plate 52 and the carrier plate 3;
the pedal 52 is buffered by the second spring 53 between the pedal 52 and the bearing plate 3, so that the impact force of the bearing plate 3 during lifting can be reduced, and the dangerous situations that a constructor falls off from the bearing plate 3 due to unstable standing or collides with the bearing plate 3 and the protective frame 4, and the like are avoided.
In this embodiment, specifically, the limiting component 18 includes an air cylinder 1801 fixedly installed on the top of the base 1 through a U-shaped frame, an output end of the air cylinder 1801 is fixedly connected with a connecting plate 1802, one side of the connecting plate 1802 is fixedly installed with a clamping plate, a spur gear 1803 is fixedly installed on an outer side wall of the threaded rod 7, the spur gear 1803 is located above the fixed box 6, and the other end of the clamping plate is clamped with a gap between adjacent teeth on the spur gear 1803;
the cylinder 1801 in the shrink drives the connecting plate 1802 of being connected on its output to make joint board and spur gear 1803 carry out the joint, and then conveniently lock the threaded rod 7 that stops pivoted, be favorable to improving the bearing capacity and the stable effect of loading board 3, make threaded rod 7 can not appear privately rotating the phenomenon, and then make loading board 3 can not appear the whereabouts phenomenon because of bearing overweight.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.
Claims (9)
1. The utility model provides a telescopic machanism of tunnel construction platform which characterized in that includes:
the device comprises a base (1), wherein a stabilizing assembly (2) is arranged at the top of the base (1), a bearing plate (3) is fixedly arranged at the top of the stabilizing assembly (2), and a protection frame (4) is fixedly arranged at the top of the bearing plate (3);
the buffer component (5) is arranged on the bearing plate (3);
the top of the base (1) is fixedly provided with a fixed box (6) respectively, the top of the fixed box (6) is movably connected with a threaded rod (7), the bottom of the bearing plate (3) is fixedly provided with an internal thread cylinder (8) respectively, the internal thread cylinder (8) is in threaded connection with the threaded rod (7), and one end of the threaded rod (7) extends to the inside of the fixed box (6) and is fixedly connected with a driven bevel gear (9);
the power assembly (10) is positioned at the top of the base (1), and the output end of the power assembly (10) is connected with the driven bevel gear (9) in a meshed manner;
the limiting assembly (18), limiting assembly (18) are located the top of base (1), the output of limiting assembly (18) with be connected between threaded rod (7).
2. The telescopic mechanism of a tunnel construction platform according to claim 1, wherein the stabilizing assembly (2) comprises two H-shaped frames (21) fixedly installed at the top of the base (1), the H-shaped frames (21) are located at two sides of the fixed box (6), fixed columns (22) are movably inserted into the inner sides of the H-shaped frames (21), and the other ends of the fixed columns (22) are fixedly connected with the bearing plate (3).
3. The telescopic mechanism of a tunnel construction platform according to claim 2, wherein a mounting groove (11) is formed in the bottom of the fixing column (22), a first spring (12) is arranged in the mounting groove (11), and the first spring (12) is located in the H-shaped frame (21) and the fixing column (22).
4. The telescopic mechanism of a tunnel construction platform according to claim 1, wherein the power assembly (10) comprises a motor (101) fixedly installed at the top of the base (1), a connecting rod (102) is arranged on the fixed box (6) in a penetrating manner, the connecting rod (102) is movably connected with the fixed box (6), two driving bevel gears (103) are fixedly installed on the outer side wall of the connecting rod (102), and the driving bevel gears (103) are connected with the driven bevel gears (9) in a meshed manner.
5. The telescopic mechanism of a tunnel construction platform according to claim 1, wherein the buffer assembly (5) comprises a first T-shaped rod (51) penetrating through the bearing plate (3), the first T-shaped rod (51) is movably inserted into the bearing plate (3), one end of the first T-shaped rod (51) is fixedly connected with a pedal plate (52), a second spring (53) is sleeved on the outer side of the first T-shaped rod (51), and the second spring (53) is located between the pedal plate (52) and the bearing plate (3).
6. The telescopic mechanism of the tunnel construction platform according to claim 1, wherein the base (1) is respectively provided with a U-shaped rod (13) in a penetrating manner, the U-shaped rod (13) is movably inserted into the base (1), two ends of the U-shaped rod (13) are fixedly provided with discs (14), the outer side of the U-shaped rod (13) is sleeved with a third spring (15), and the third spring (15) is located between the discs (14) and the base (1).
7. The telescopic mechanism of the tunnel construction platform according to claim 6, wherein the base (1) is respectively provided with a second T-shaped rod (16) in a penetrating manner, the second T-shaped rod (16) is movably inserted into the base (1), one end of the second T-shaped rod (16) is fixedly provided with a strip-shaped plate (17), and the strip-shaped plate (17) is located below the disc (14).
8. The telescopic mechanism of a tunnel construction platform according to claim 1, wherein the limiting component (18) comprises a cylinder (1801) fixedly mounted on the top of the base (1) through a U-shaped frame, an output end of the cylinder (1801) is fixedly connected with a connecting plate (1802), one side of the connecting plate (1802) is fixedly provided with a clamping plate, a spur gear (1803) is fixedly mounted on the outer side wall of the threaded rod (7), the spur gear (1803) is located above the fixed box (6), and the other end of the clamping plate is clamped with a gap between adjacent teeth on the spur gear (1803).
9. The telescopic mechanism of the tunnel construction platform according to claim 1, wherein a ladder stand is fixedly arranged on one side of the bearing plate (3), and the fixed square of the ladder stand is identical to the square of the opening and closing door on the protection frame (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320839610.5U CN219387898U (en) | 2023-04-14 | 2023-04-14 | Telescoping mechanism of tunnel construction platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320839610.5U CN219387898U (en) | 2023-04-14 | 2023-04-14 | Telescoping mechanism of tunnel construction platform |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219387898U true CN219387898U (en) | 2023-07-21 |
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ID=87168359
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320839610.5U Active CN219387898U (en) | 2023-04-14 | 2023-04-14 | Telescoping mechanism of tunnel construction platform |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219387898U (en) |
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2023
- 2023-04-14 CN CN202320839610.5U patent/CN219387898U/en active Active
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