CN220687689U - Tunnel construction axial flow fan - Google Patents
Tunnel construction axial flow fan Download PDFInfo
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- CN220687689U CN220687689U CN202322471844.1U CN202322471844U CN220687689U CN 220687689 U CN220687689 U CN 220687689U CN 202322471844 U CN202322471844 U CN 202322471844U CN 220687689 U CN220687689 U CN 220687689U
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- bevel gear
- flow fan
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- 238000010276 construction Methods 0.000 title claims abstract description 22
- 230000002457 bidirectional effect Effects 0.000 claims abstract description 19
- 230000007246 mechanism Effects 0.000 claims abstract description 12
- 238000009434 installation Methods 0.000 claims description 40
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000002146 bilateral effect Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 2
- 238000003780 insertion Methods 0.000 description 4
- 230000037431 insertion Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000009423 ventilation Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 1
- 238000009412 basement excavation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
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Abstract
The utility model discloses a tunnel construction axial flow fan, which belongs to the field of axial flow fans and comprises an axial flow fan body, wherein a mounting seat is arranged in the axial flow fan body, the mounting seat can be mounted in the tunnel in advance by being matched with a mounting mechanism, and when the axial flow fan body is mounted, a mounting plugboard on the bottom surface of the axial flow fan body can be inserted into a positioning plughole through a mounting socket on the top surface of the mounting seat, a rotary knob drives a second bevel gear to rotate through a connecting rod, the second bevel gear drives a bidirectional screw rod to rotate under the meshing effect through a first bevel gear, so that a symmetrical movable plate can perform relative movement operation along the bidirectional screw rod through a threaded hole, limit mounting rods on the outer wall of the movable plate can be inserted into connecting holes of through positioning plugholes formed in two sides in the inner cavity, and the limit mounting rods penetrate through the positioning plughole and are inserted into mounting holes formed in the side walls of the mounting plugboard, thereby achieving the purpose of conveniently and rapidly mounting the axial flow fan body in the tunnel.
Description
Technical Field
The utility model relates to the field of axial flow fans, in particular to a tunnel construction axial flow fan.
Background
The special axial-flow fan for the tunnel is also called a tunnel construction ventilator, is a special fan and an exhaust fan for vertical (inclined) well blowing-in and exhausting type ventilation in a special tunnel, is widely applied to centralized blowing-in, centralized exhausting type and blowing-in and exhausting type combined ventilation in longitudinal ventilation of the tunnel, is also suitable for semi-transverse, full-transverse type and tunnel auxiliary ventilation modes, is mainly used for exhausting harmful gas in tunnel construction due to explosive explosion, use of an internal combustion engine and emission of harmful gas in stratum during excavation, and is an important condition for providing good construction environment for tunnel construction, maintaining physical health of operators, guaranteeing normal and smooth construction, improving working efficiency and guaranteeing engineering quality.
In prior art, can install specific axial fan for tunnel in the inside of tunnel when the tunnel is under construction, however, current axial fan is too loaded down with trivial details at the in-process operation of installation, installer generally need use the bolt to fix, and be difficult to install under the condition of not with the help of the instrument, thereby can't install axial fan fast and fix in the tunnel, not only reduced axial fan's installation effectiveness, and follow-up also be inconvenient for dismantling axial fan when maintaining, simultaneously, also have caused the influence to tunnel construction process, and because can't install axial fan fast, installer need consume a large amount of time in the tunnel when leading to the installation, and then the potential safety hazard appears easily.
Disclosure of Invention
The utility model mainly aims to provide an axial flow fan for tunnel construction, which can effectively solve the problems in the background technology.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:
the utility model provides a tunnel construction axial fan, includes the axial fan body, the bottom of axial fan body is equipped with the mount pad, and is equipped with installation mechanism in the top surface of mount pad, and installation mechanism includes bi-directional screw rod, first bevel gear, fly leaf, spacing installation pole, connecting rod and second bevel gear, bi-directional screw rod passes through the dwang swing joint at both ends about in the top surface of mount pad, and first bevel gear fixed connection is at bi-directional screw rod's outside center, two the fly leaf is respectively through screw hole and bi-directional screw rod swing joint on the lateral wall, and is equipped with spacing installation pole respectively fixed mounting on the opposite both sides wall of symmetrical fly leaf, connecting rod swing joint is in the mount pad, and second bevel gear fixed connection at the rear end of connecting rod and with first bevel gear meshing.
Preferably, a group of bilaterally symmetrical mounting plugboards are fixedly arranged on the bottom surface of the axial flow fan body, and a plurality of mounting holes are formed in the side wall of the mounting plugboards.
Preferably, the inner chamber has been seted up to the inside of mount pad, and the left and right sides of inner chamber has still offered the location respectively and has been inserted the chamber, a plurality of connecting hole that corresponds with the mounting hole has been offered respectively on the both sides wall of inner chamber, and the connecting hole is pierced to be inserted the chamber in the location, still offered the rotation hole respectively on the inside left and right sides wall of inner chamber, a set of symmetrical sliding mouth has been offered respectively to the top surface and the bottom surface both sides of mount pad, and the top surface of mount pad has still offered the installation socket that corresponds with the location and insert the chamber, the fixed orifices with the inner chamber intercommunication has been offered to the front end wall of mount pad, and the downthehole fixed mounting of fixed orifices has the bearing.
Preferably, the left end and the right end of the bidirectional screw are respectively and fixedly provided with a rotating rod, the rotating rods are movably arranged in the rotating holes, and the center part of the outer wall of the bidirectional screw is also fixedly provided with a first bevel gear in a sleeved mode.
Preferably, the outer side walls of the two movable plates are respectively provided with a threaded hole and are connected with the bidirectional screw rod through the threaded holes, the upper end and the lower end of each movable plate are respectively and fixedly provided with a group of symmetrical sliding blocks, the sliding blocks are movably arranged in the sliding opening, and the outer side walls of the movable plates are also fixedly provided with a plurality of limit mounting rods corresponding to the mounting holes.
Preferably, the connecting rod is fixedly installed together with the bearing in a penetrating manner, a second bevel gear is fixedly installed at the rear end of the connecting rod, the second bevel gear and the first bevel gear are mutually meshed together, and a knob is fixedly installed on the front end wall of the connecting rod.
Compared with the prior art, the utility model has the following beneficial effects:
according to the utility model, the installation seat is matched with the installation mechanism, the installation seat can be installed in the tunnel in advance, when the axial flow fan body is installed, the installation plugboard on the bottom surface of the axial flow fan body can be inserted into the positioning plugboard through the installation socket on the top surface of the installation seat, the knob is rotated to drive the second bevel gear to rotate through the connecting rod, the second bevel gear drives the bidirectional screw to rotate through the first bevel gear under the meshing action, so that the symmetrical movable plate makes relative movement operation along the bidirectional screw through the threaded hole, the limit installation rods on the outer wall of the movable plate are inserted into the connecting holes which are formed in the inner cavity and penetrate through the positioning plugboard and are formed in the side wall of the installation plugboard, the purpose of conveniently and rapidly installing the axial flow fan body in the tunnel is achieved, the installation plugboard is not required to be used by bolts and auxiliary tools, the subsequent maintenance of the axial flow fan body is also convenient to detach, the assembly and disassembly efficiency of the axial flow fan body is improved, and unnecessary potential safety hazards caused by long-time operation of installation personnel in the tunnel are avoided.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic view of the overall structure of an axial flow fan body according to the present utility model;
FIG. 3 is a schematic view of a mounting base of the present utility model in a cut-away configuration;
fig. 4 is a schematic view showing the mounting mechanism of the present utility model in a split structure.
In the figure: 1. an axial flow fan body; 2. a mounting base; 3. a mounting mechanism; 4. installing a plugboard; 5. a mounting hole; 6. an inner cavity; 7. positioning the insertion cavity; 8. a connection hole; 9. a rotation hole; 10. installing a socket; 11. a sliding port; 12. a fixing hole; 13. a bearing; 14. a bidirectional screw; 15. a rotating lever; 16. a first bevel gear; 17. a movable plate; 18. a sliding block; 19. a threaded hole; 20. a limit mounting rod; 21. a connecting rod; 22. a second bevel gear; 23. and (5) a knob.
Detailed Description
The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.
As shown in fig. 1-4, an axial flow fan for tunnel construction comprises an axial flow fan body 1, wherein an installation seat 2 is arranged at the bottom of the axial flow fan body 1, an installation mechanism 3 is arranged in the top surface of the installation seat 2, the installation mechanism 3 comprises a bidirectional screw rod 14, a first bevel gear 16, a movable plate 17, a limit installation rod 20, a connecting rod 21 and a second bevel gear 22, the bidirectional screw rod 14 is movably connected in the top surface of the installation seat 2 through rotating rods 15 at the left end and the right end, the first bevel gear 16 is fixedly connected at the outer center of the bidirectional screw rod 14, two movable plates 17 are respectively movably connected with the bidirectional screw rod 14 through threaded holes 19 on the side walls, limit installation rods 20 are respectively fixedly arranged on the opposite side walls of the symmetrical movable plates 17, the connecting rod 21 is movably connected in the installation seat 2, and the second bevel gear 22 is fixedly connected at the rear end of the connecting rod 21 and meshed with the first bevel gear 16.
As shown in fig. 1-4, in this embodiment, in order to facilitate rapid installation of the axial flow fan body 1 into a tunnel through the mounting base 2 and the mounting mechanism 3, so as to improve the installation efficiency and the tunnel construction process of the axial flow fan body 1, a set of bilaterally symmetrical mounting plugboards 4 are fixedly installed on the bottom surface of the axial flow fan body 1, a plurality of mounting holes 5 are formed on the side walls of the mounting plugboards 4, an inner cavity 6 is formed inside the mounting base 2, positioning insertion cavities 7 are further formed on the left side and the right side of the inner cavity 6, a plurality of connecting holes 8 corresponding to the mounting holes 5 are further formed on the two side walls of the inner cavity 6, the connecting holes 8 penetrate through the positioning insertion cavities 7, rotating holes 9 are further formed on the left side wall and the right side wall of the inner portion of the inner cavity 6, a set of symmetrical sliding ports 11 are respectively formed on the top surface and the bottom surface of the mounting base 2, mounting sockets 10 corresponding to the positioning insertion cavities 7 are further formed on the top surface of the mounting base 2, the front end wall of the mounting seat 2 is provided with a fixed hole 12 communicated with the inner cavity 6, a bearing 13 is fixedly arranged in the hole of the fixed hole 12, the left end and the right end of the bidirectional screw 14 are respectively fixedly provided with a rotating rod 15, the rotating rod 15 is movably arranged in the rotating hole 9, the center part of the outer wall of the bidirectional screw 14 is also fixedly provided with a first bevel gear 16 in a sleeved mode, the outer side walls of the two movable plates 17 are respectively provided with a threaded hole 19 and are connected with the bidirectional screw 14 through the threaded holes 19, the upper end and the lower end of the movable plates 17 are respectively fixedly provided with a group of symmetrical sliding blocks 18, the sliding blocks 18 are movably arranged in the sliding opening 11, the outer side wall of the movable plates 17 is also fixedly provided with a plurality of limit mounting rods 20 corresponding to the mounting holes 5, the connecting rods 21 are fixedly arranged in a penetrating manner with the bearing 13, the rear end of the connecting rod 21 is fixedly provided with a second bevel gear 22, the second bevel gear 22 and the first bevel gear 16 are meshed with each other, and the front end wall of the connecting rod 21 is fixedly provided with a knob 23;
the mounting base 2 and the mounting mechanism 3 are matched with the mounting of the upper axial flow fan body 1, and the specific use principle is as follows: firstly, the mounting seat 2 is pre-mounted on the position of the axial flow fan body 1 in the tunnel, then, when the axial flow fan body 1 is mounted, the mounting plugboard 4 which is mounted on the bottom surface of the axial flow fan body 1 and is bilaterally symmetrical is inserted into the positioning plughole 7 which is formed in the mounting seat 2 through the mounting socket 10 which is formed on the top surface of the mounting seat 2, then, the knob 23 which is positioned on the front end wall of the mounting seat 2 is manually rotated, the knob 23 drives the connecting rod 21 to rotate in the bearing 13 which is mounted in the fixing hole 12 which is formed on the front end wall of the mounting seat 2, the connecting rod 21 drives the second bevel gear 22 which is mounted on the rear end to rotate, and the second bevel gear 22 is meshed with the first bevel gear 16 which is fixedly sleeved on the outer center of the bidirectional screw 14 in the rotating process, so that the second bevel gear 22 drives the first bevel gear 16 to synchronously rotate, the first bevel gear 16 will drive the bi-directional screw 14 to rotate together in the rotating process, the rotating rods 15 installed at the left and right ends of the bi-directional screw 14 will rotate in the rotating holes 9 formed on the left and right side walls of the inner cavity 6 formed in the mounting seat 2, at this time, the left and right symmetrical movable plates 17 will make opposite displacement operations along the inner cavity 6 along the bi-directional screw 14 through the threaded holes 19 formed on the side walls, the sliding blocks 18 installed at the upper and lower ends of the movable plates 17 will slide in the sliding holes 11 formed on the top and bottom surfaces of the mounting seat 2, at this time, the limit mounting rods 20 installed on the outer side walls of the movable plates 17 will pass through the connecting holes 8 formed on the two inner side walls of the inner cavity 6 and correspondingly pass through the mounting holes 5 formed on the side walls of the mounting plugboard 4, and the limit mounting rods 20 will transversely pass through the positioning plugholes 7 and are inserted into the connecting holes 8 passing through the positioning plugholes 7, until the knob 23 can not rotate any more, thereby achieving the purpose of conveniently and rapidly installing the axial flow fan body 1 in the tunnel, and being convenient for disassembly when the axial flow fan body 1 is maintained subsequently, not only improving the disassembly and assembly efficiency of the axial flow fan body 1, but also improving the tunnel construction efficiency, and further avoiding unnecessary potential safety hazards caused by long-time operation of installers in the tunnel.
The foregoing is only illustrative of the preferred embodiments of the present utility model and, although the present utility model has been described in detail with reference to the foregoing embodiments, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the utility model, and equivalents of the features may be substituted for elements thereof without departing from the true spirit and scope of the utility model.
Claims (6)
1. The utility model provides a tunnel construction axial fan, includes axial fan body (1), its characterized in that: the bottom of axial fan body (1) is equipped with mount pad (2), and is equipped with installation mechanism (3) in the top surface of mount pad (2), and installation mechanism (3) are including two-way screw rod (14), first bevel gear (16), fly leaf (17), spacing installation pole (20), connecting rod (21) and second bevel gear (22), the dwang (15) swing joint at both ends is controlled through two ends in the top surface of mount pad (2), and first bevel gear (16) fixed connection is in the outside center of two-way screw rod (14), two screw hole (19) and two-way screw rod (14) swing joint on the opposite both sides wall of symmetrical fly leaf (17) respectively, connecting rod (21) swing joint is in mount pad (2), and second bevel gear (22) fixed connection is at the rear end of connecting rod (21) and with first bevel gear (16) meshing.
2. The tunnel construction axial flow fan according to claim 1, wherein: the bottom surface of axial fan body (1) fixed mounting has a set of bilateral symmetry's installation picture peg (4), and has seted up a plurality of mounting hole (5) on the lateral wall of installation picture peg (4).
3. The tunnel construction axial flow fan according to claim 2, wherein: the utility model discloses a fixing device for the inner wall of the installation seat, including installation seat (2), locating insert cavity (7) have still been seted up to the inside of installation seat (2), and locating insert cavity (7) have still been seted up respectively to the left and right sides of inner chamber (6), a plurality of connecting hole (8) that correspond with mounting hole (5) have been seted up respectively on the both sides wall of inner chamber (6), and connecting hole (8) pass through locating insert cavity (7), still seted up respectively on the inside left and right sides wall of inner chamber (6) pivoted hole (9), sliding mouth (11) of a set of symmetry have been seted up respectively to the top surface and the bottom surface both sides of installation seat (2), and installation socket (10) that correspond with locating insert cavity (7) have still been seted up to the top surface of installation seat (2), fixed orifices (12) with inner chamber (6) intercommunication have been seted up to the front end wall of installation seat (2), and fixed orifices (12) are downthehole fixed mounting has bearing (13).
4. A tunnel construction axial flow fan according to claim 3, wherein: the left end and the right end of the bidirectional screw rod (14) are respectively and fixedly provided with a rotating rod (15), the rotating rods (15) are movably arranged in the rotating holes (9), and the center part of the outer wall of the bidirectional screw rod (14) is fixedly provided with a first bevel gear (16) in a sleeved mode.
5. The tunnel construction axial flow fan according to claim 4, wherein: threaded holes (19) are respectively formed in the outer side walls of the two movable plates (17) and are in threaded connection with the bidirectional screw rods (14) through the threaded holes (19), a group of symmetrical sliding blocks (18) are respectively and fixedly mounted at the upper end and the lower end of each movable plate (17), the sliding blocks (18) are movably mounted in the sliding opening (11), and a plurality of limit mounting rods (20) corresponding to the mounting holes (5) are fixedly mounted on the outer side walls of the movable plates (17).
6. The tunnel construction axial flow fan according to claim 5, wherein: the connecting rod (21) is fixedly installed together in a penetrating mode with the bearing (13), a second bevel gear (22) is fixedly installed at the rear end of the connecting rod (21), the second bevel gear (22) is meshed with the first bevel gear (16) mutually, and a knob (23) is fixedly installed on the front end wall of the connecting rod (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322471844.1U CN220687689U (en) | 2023-09-12 | 2023-09-12 | Tunnel construction axial flow fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322471844.1U CN220687689U (en) | 2023-09-12 | 2023-09-12 | Tunnel construction axial flow fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220687689U true CN220687689U (en) | 2024-03-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322471844.1U Active CN220687689U (en) | 2023-09-12 | 2023-09-12 | Tunnel construction axial flow fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220687689U (en) |
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2023
- 2023-09-12 CN CN202322471844.1U patent/CN220687689U/en active Active
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