CN220505040U - Tunnel engineering excavation construction rack - Google Patents
Tunnel engineering excavation construction rack Download PDFInfo
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- CN220505040U CN220505040U CN202321899713.7U CN202321899713U CN220505040U CN 220505040 U CN220505040 U CN 220505040U CN 202321899713 U CN202321899713 U CN 202321899713U CN 220505040 U CN220505040 U CN 220505040U
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- 238000010276 construction Methods 0.000 title claims abstract description 32
- 238000009412 basement excavation Methods 0.000 title claims abstract description 24
- 230000005540 biological transmission Effects 0.000 claims abstract description 44
- 230000033001 locomotion Effects 0.000 description 13
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Lining And Supports For Tunnels (AREA)
Abstract
The utility model discloses a tunnel engineering excavation construction bench, which relates to the technical field of construction benches and comprises a base, wherein an escalator is fixedly connected to the middle part of one side of the base, a fixed workbench is movably connected to the escalator, a support is fixedly connected to the upper surface of the fixed workbench, a fixed protection plate is fixedly connected to the fixed workbench through the support, a connecting base is fixedly connected to the lower end of the fixed workbench, and a connecting plate is movably connected to the inner side of the connecting base. According to the utility model, the height adjustment is realized by arranging the rotating handle, the control shaft, the connecting rod, the connecting block, the output bevel gear, the transmission gear, the movable gear, the fixed block, the threaded shaft, the movable sliding block, the transmission bevel gear, the transmission shaft, the sliding chute and the connecting base; through setting up fixed protection shield, support, fixed workstation, activity protection shield, push pedal, movable platform and set screw, reached the purpose of adjustment construction position.
Description
Technical Field
The utility model relates to the technical field of construction racks, in particular to a tunnel engineering excavation construction rack.
Background
The tunnel engineering is a series of construction works of building underground, underwater, mountain buildings, paving railways, building highways and performing, and is mainly divided into three categories of tunnel planning, surveying, designing, through control measurement and construction work, wherein the tunnel can be divided into mountain tunnels, underwater tunnels and urban tunnels according to the position of the tunnel, the mountain tunnels are the most built, in the process of tunnel excavation construction frames, along with the continuous advancement of the tunnels, the construction frames are required to be arranged in the tunnels for ensuring convenient operation, so as to facilitate the advancement of the excavation operation, and the conventional method is to manually temporarily erect the excavation operation frames at the excavation part of the tunnels so as to realize the manual operation operations of erecting a blast hole, placing explosive and the like in the tunnels by standing on the frames.
The tunnel engineering excavation construction bench disclosed in the Chinese patent application publication No. CN210948673U comprises a bracket and a working platform, and the safety of the tunnel engineering excavation construction bench is improved by arranging the protection plates, but the tunnel engineering excavation construction bench cannot be adjusted in height, has a small application range and poor practicability, is fixed in horizontal construction position, needs multiple times of bench position adjustment, and is low in construction efficiency, so that the tunnel engineering excavation construction bench cannot be adjusted in height and construction position.
Disclosure of Invention
(one) solving the technical problems
Aiming at the defects of the prior art, the utility model provides a tunnel engineering excavation construction rack, which solves the problems in the background art.
(II) technical scheme
In order to achieve the above purpose, the utility model is realized by the following technical scheme: the automatic lifting device comprises a base, wherein an escalator is fixedly connected to the middle part of one side of the base, a fixed workbench is movably connected to the escalator, a support is fixedly connected to the upper surface of the fixed workbench, a fixed protection plate is fixedly connected to the fixed workbench through the support, a connecting base is fixedly connected to the lower end of the fixed workbench, a connecting plate is movably connected to the inner side of the connecting base, and a connecting block is fixedly connected to the inner side of the connecting base;
the base is characterized in that a sliding groove is formed in the bottom surface of the base, a movable sliding block is movably connected to the surface of the sliding groove, a movable gear is fixedly connected to the side face of the movable sliding block, the top face of the movable sliding block is fixedly connected with a connecting base, a fixed block is fixedly connected to the side face of the base, a threaded shaft is fixedly connected to the center of the fixed block, a control shaft is movably connected to the center of the fixed workbench, an output bevel gear is fixedly connected to the lower end of the control shaft, a transmission bevel gear is meshed to the two sides of the output bevel gear, and a transmission shaft is fixedly connected to the transmission bevel gear;
the movable protection plate is movably connected to one side of the fixed protection plate, a movable platform is movably connected to one side of the fixed workbench, the lower end of the movable platform is fixedly connected with the upper end of the movable protection plate through a support, the upper end of the movable platform is fixedly connected with a push plate, and a fixing screw is connected to one side of the upper end of the movable platform through threads.
Optionally, the four corners fixedly connected with supporting leg of base bottom surface, staircase middle part fixedly connected with fixed plate, fixed plate and base fixed connection, connecting plate and connecting block swing joint.
Optionally, screw thread axle middle part fixedly connected with stopper, screw thread axle and removal gear threaded connection, remove slider and screw thread axle swing joint.
Optionally, fixed bearing is fixedly connected with the base side, transmission shaft and fixed bearing (16) swing joint, control shaft upper end fixedly connected with rotates the handle.
Optionally, the transmission shaft is fixedly connected with a transmission gear, and the outer surface of the transmission gear is meshed with the outer surface of the moving gear.
Optionally, the movable protection board and the fixed protection board are provided with a limiting device, and the fixed screw is movably connected with the fixed workbench.
(III) beneficial effects
The utility model provides a tunnel engineering excavation construction rack, which has the following beneficial effects:
1. this tunnel engineering excavation construction rack through setting up rotation handle, the control shaft, the connecting plate, the connecting block, the output helical gear, the drive gear, the movable gear, the fixed block, the screw axis, remove the slider, the drive helical gear, the transmission shaft, spout and connection base, rotatory rotation handle makes the control shaft drive output helical gear be circular motion, output helical gear transmission power gives the drive helical gear, the drive helical gear passes through the transmission shaft and drives the drive gear motion, drive gear and movable gear meshing, the epaxial motion of screw of movable gear on the fixed block drives the movable slider and slides in the spout, it is fixed with the connection base to remove the slider, the motion of connecting plate has been driven, play the fixed action by the connecting block, realize device work platform's lift, the purpose of adjustment height has been reached.
2. This tunnel engineering excavation construction bench through setting up fixed protection shield, support, fixed workstation, movable protection shield, push pedal, movable platform and set screw, loosens set screw, can promote the push pedal by fixed workstation one side, makes movable platform drive movable protection shield through the support, and device work platform horizontal direction extends, and set screw plays the fixed action, has reached the purpose of adjustment construction position.
Drawings
FIG. 1 is a schematic perspective view of the present utility model;
FIG. 2 is a schematic diagram of a front cross-sectional structure of the present utility model;
FIG. 3 is a schematic top view of the present utility model;
FIG. 4 is a schematic side sectional view of the present utility model;
FIG. 5 is a schematic perspective view of a connecting mechanism according to the present utility model;
FIG. 6 is an enlarged schematic view of the structure of FIG. 4A according to the present utility model.
In the figure: 1. rotating the handle; 2. a control shaft; 3. a connecting plate; 4. a connecting block; 5. an output helical gear; 6. a transmission gear; 7. a moving gear; 8. fixing the protective plate; 9. a bracket; 10. a fixed workbench; 11. an escalator; 12. a fixing plate; 13. a base; 14. support legs; 15. a fixed block; 16. fixing a bearing; 17. a threaded shaft; 18. moving the slide block; 19. a limiting block; 20. a transmission helical gear; 21. a transmission shaft; 22. a chute; 23. a movable protective plate; 24. a push plate; 25. a movable platform; 26. the base is connected; 27. and (5) fixing the screw.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.
Example 1
Referring to fig. 1 to 6, the present utility model provides a technical solution: the tunnel engineering excavation construction bench comprises a base 13, wherein the middle part of one side of the base 13 is fixedly connected with an escalator 11, the middle part of the escalator 11 is fixedly connected with a fixed plate 12, the fixed plate 12 is fixedly connected with the base 13, four corners of the bottom surface of the base 13 are fixedly connected with supporting legs 14, the escalator 11 is movably connected with a fixed workbench 10, the upper surface of the fixed workbench 10 is fixedly connected with a bracket 9, the fixed workbench 10 is fixedly connected with a fixed protection plate 8 through the bracket 9, the lower end of the fixed workbench 10 is fixedly connected with a connecting base 26, the inner side of the connecting base 26 is movably connected with a connecting plate 3, the inner side of the connecting base 26 is fixedly connected with a connecting block 4, the connecting plate 3 is movably connected with the connecting block 4, the bottom surface of the base 13 is provided with a sliding groove 22, the surface of the sliding groove 22 is movably connected with a movable sliding block 18, the side surface of the movable sliding block 18 is fixedly connected with a movable gear 7, the top surface of the movable sliding block 18 is fixedly connected with the connecting base 26, the side surface of the base 13 is fixedly connected with the fixed block 15, the center position of the fixed block 15 is fixedly connected with the threaded shaft 17, the middle part of the threaded shaft 17 is fixedly connected with the limiting block 19, the threaded shaft 17 is in threaded connection with the movable gear 7, the movable sliding block 18 is movably connected with the threaded shaft 17, the center of the fixed workbench 10 is movably connected with the control shaft 2, the upper end of the control shaft 2 is fixedly connected with the rotary handle 1, the lower end of the control shaft 2 is fixedly connected with the output bevel gear 5, the two sides of the output bevel gear 5 are meshed with the transmission bevel gear 20, the transmission bevel gear 20 is fixedly connected with the transmission shaft 21, the side surface of the base 13 is fixedly connected with the fixed bearing 16, the transmission shaft 21 is movably connected with the fixed bearing 16, the transmission shaft 21 is fixedly connected with the transmission gear 6, the outer surface of the transmission gear 6 is meshed with the outer surface of the movable gear 7, the rotary handle 1, the control shaft 2 is arranged, the device comprises a connecting plate 3, a connecting block 4, an output helical gear 5, a transmission gear 6, a movable gear 7, a fixed block 15, a threaded shaft 17, a movable slide block 18, a transmission helical gear 20, a transmission shaft 21, a slide groove 22 and a connecting base 26, wherein the control shaft 2 drives the output helical gear 5 to do circular motion by rotating the rotating handle 1, the output helical gear 5 transmits power to the transmission helical gear 20, the transmission helical gear 20 drives the transmission gear 6 to move through the transmission shaft 21, the transmission gear 6 is meshed with the movable gear 7, the movable gear 7 moves on the threaded shaft 17 on the fixed block 15 to drive the movable slide block 18 to slide in the slide groove 22, the movable slide block 18 is fixed with the connecting base 26, the movement of the connecting plate 3 is driven, the connecting block 4 plays a fixing role, the lifting of a working platform of the device is realized, and the purpose of adjusting the height is achieved.
When the device is used, a worker climbs onto the fixed workbench 10 through the escalator 11, the height of the fixed workbench 10 is adjusted according to the needs, the control shaft 2 is made to make circular motion clockwise through the clockwise rotation handle 1, the output bevel gear 5 is made to make circular motion clockwise, power is transmitted to the transmission bevel gear 20, the two side transmission bevel gears 20 are respectively made to make circular motion clockwise and circular motion anticlockwise, the transmission gear 6 is transmitted to the movable gear 7, the movable gear 7 is made to make the direction of the movable gear 7 far away from the limiting block 19 on the threaded shaft 17 and drive the movable slide block 18, the connecting bases 26 are made to be mutually far away, the connecting plates 3 tend to be horizontal, the fixed workbench 10 is lowered, the control shaft 2 is made to make circular motion anticlockwise through anticlockwise rotation of the handle 1, the output bevel gear 5 is made to make circular motion anticlockwise, power is transmitted to the transmission bevel gear 20, the two side transmission bevel gears 20 are respectively made to make circular motion anticlockwise and clockwise, the transmission bevel gear 6 is transmitted to the movable gear 7 to make the movable gear 7 move on the threaded shaft 17 to be close to the limiting block 19 and drive the movable slide block 18, the connecting bases 26 are made to be vertical to approach each other, the connecting plates 3 tend to be mutually close, and the workbench 10 is adjusted to be suitable for height.
Example 2
Referring to fig. 1 to 6, the present utility model provides a technical solution: the tunnel engineering excavation construction bench comprises a base 13, wherein the middle part of one side of the base 13 is fixedly connected with an escalator 11, the middle part of the escalator 11 is fixedly connected with a fixed plate 12, the fixed plate 12 is fixedly connected with the base 13, four corners of the bottom surface of the base 13 are fixedly connected with supporting legs 14, the escalator 11 is movably connected with a fixed workbench 10, the upper surface of the fixed workbench 10 is fixedly connected with a bracket 9, the fixed workbench 10 is fixedly connected with a fixed protection plate 8 through the bracket 9, the lower end of the fixed workbench 10 is fixedly connected with a connecting base 26, the inner side of the connecting base 26 is movably connected with a connecting plate 3, the inner side of the connecting base 26 is fixedly connected with a connecting block 4, the connecting plate 3 is movably connected with the connecting block 4, one side of the fixed protection plate 8 is movably connected with a movable protection plate 23, one side of the fixed workbench 10 is movably connected with a movable platform 25, the lower extreme of movable platform 25 and movable protection shield 23 upper end pass through support 9 fixed connection, movable platform 25 upper end fixedly connected with push pedal 24, movable platform 25 upper end one side threaded connection has set screw 27, movable protection shield 23 and fixed protection shield 8 are provided with stop device, set screw 27 and fixed workstation 10 swing joint, through setting up fixed protection shield 8, support 9, fixed workstation 10, movable protection shield 23, push pedal 24, movable platform 25 and set screw 27, unscrew set screw 27, can promote push pedal 24 by fixed workstation 10 one side, make movable platform 25 drive movable protection shield 23 through support 9, device work platform horizontal direction extends, set screw 27 plays the fixed action, the purpose of adjustment construction position has been reached.
When the device is used, firstly, the device is put at a proper position, a worker climbs on the fixed workbench 10 through the escalator 11, adjusts the horizontal position of the movable platform 25 according to the requirement, unscrews the fixing screw 27, pushes the push plate 24 from one side of the fixed workbench 10, enables the movable platform 25 to move in the direction away from the fixed workbench 10, drives the movable protection plate 23 through the bracket 9, enables the movable protection plate 23 to move in the direction away from the fixed protection plate 8, and after the device is in a proper position, screws the fixing screw 27 to fix the movable platform 25, so that the operation can be started.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (6)
1. The utility model provides a tunnel engineering excavation construction rack, includes base (13), its characterized in that: the escalator is characterized in that an escalator (11) is fixedly connected to the middle of one side of the base (13), a fixed workbench (10) is movably connected to the escalator (11), a support (9) is fixedly connected to the upper surface of the fixed workbench (10), a fixed protection plate (8) is fixedly connected to the fixed workbench (10) through the support (9), a connecting base (26) is fixedly connected to the lower end of the fixed workbench (10), a connecting plate (3) is movably connected to the inner side of the connecting base (26), and a connecting block (4) is fixedly connected to the inner side of the connecting base (26);
the novel automatic feeding device is characterized in that a sliding groove (22) is formed in the bottom surface of the base (13), a movable sliding block (18) is movably connected to the surface of the sliding groove (22), a movable gear (7) is fixedly connected to the side face of the movable sliding block (18), the top face of the movable sliding block (18) is fixedly connected with a connecting base (26), a fixed block (15) is fixedly connected to the side face of the base (13), a threaded shaft (17) is fixedly connected to the central position of the fixed block (15), a control shaft (2) is movably connected to the center of the fixed workbench (10), an output bevel gear (5) is fixedly connected to the lower end of the control shaft (2), a transmission bevel gear (20) is meshed to the two sides of the output bevel gear (5), and a transmission shaft (21) is fixedly connected to the transmission bevel gear (20).
The movable protection plate is characterized in that a movable protection plate (23) is movably connected to one side of the fixed protection plate (8), a movable platform (25) is movably connected to one side of the fixed workbench (10), the lower end of the movable platform (25) is fixedly connected with the upper end of the movable protection plate (23) through a support (9), a push plate (24) is fixedly connected to the upper end of the movable platform (25), and a fixing screw (27) is connected to one side of the upper end of the movable platform (25) through threads.
2. The tunnel engineering excavation construction bench of claim 1, wherein: the escalator is characterized in that supporting legs (14) are fixedly connected to four corners of the bottom surface of the base (13), a fixing plate (12) is fixedly connected to the middle of the escalator (11), the fixing plate (12) is fixedly connected with the base (13), and the connecting plate (3) is movably connected with the connecting block (4).
3. The tunnel engineering excavation construction bench of claim 1, wherein: the middle part of the threaded shaft (17) is fixedly connected with a limiting block (19), the threaded shaft (17) is in threaded connection with the movable gear (7), and the movable sliding block (18) is movably connected with the threaded shaft (17).
4. The tunnel engineering excavation construction bench of claim 1, wherein: the side of the base (13) is fixedly connected with a fixed bearing (16), the transmission shaft (21) is movably connected with the fixed bearing (16), and the upper end of the control shaft (2) is fixedly connected with a rotary handle (1).
5. The tunnel engineering excavation construction bench of claim 1, wherein: the transmission shaft (21) is fixedly connected with a transmission gear (6), and the outer surface of the transmission gear (6) is meshed with the outer surface of the moving gear (7).
6. The tunnel engineering excavation construction bench of claim 1, wherein: the movable protection plate (23) and the fixed protection plate (8) are provided with limiting devices, and the fixed screws (27) are movably connected with the fixed workbench (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321899713.7U CN220505040U (en) | 2023-07-19 | 2023-07-19 | Tunnel engineering excavation construction rack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321899713.7U CN220505040U (en) | 2023-07-19 | 2023-07-19 | Tunnel engineering excavation construction rack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220505040U true CN220505040U (en) | 2024-02-20 |
Family
ID=89878277
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321899713.7U Active CN220505040U (en) | 2023-07-19 | 2023-07-19 | Tunnel engineering excavation construction rack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220505040U (en) |
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2023
- 2023-07-19 CN CN202321899713.7U patent/CN220505040U/en active Active
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