Jet fan mounting bracket for underground road ventilation

The mounting bracket system for jet fans in underground roads addresses noise and vibration issues by using a hanger assembly, suspension assembly, and silencers, improving stability and noise reduction.

CN222228596UActive Publication Date: 2024-12-24FANGYUAN CONSTR GRP REAL ESTATE DEVT CO LTD
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Patent Information

Application Number
CN202421137758.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-22
Publication Date
2024-12-24
Estimated Expiration
2034-05-22

AI Technical Summary

Technical Problem

Jet fans used in underground road ventilation systems generate significant noise and vibrations, which affect their installation stability.

Method used

A mounting bracket system for jet fans in underground roads, incorporating a hanger assembly, suspension assembly, metal spring shock absorbers, and silencers to reduce vibrations and noise, featuring a mounting seat, fixing rods, embedded fixings, and reinforcing structures.

Benefits of technology

The system effectively reduces or eliminates vibrations and noise, enhancing the installation stability and noise reduction of jet fans in underground road ventilation systems.

✦ Generated by Eureka AI based on patent content.

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    Figure CN222228596U_ABST
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Abstract

The utility model discloses a jet fan mounting bracket for underground road ventilation, which comprises a hanging bracket assembly, pre-embedded fixing pieces and a suspension assembly, the top of the hanging bracket assembly and the top of the suspension assembly are connected to a tunnel vault through the pre-embedded fixing pieces, and the bottom of the suspension assembly is connected with the front end and the rear end of a jet fan cylinder. The jet fan barrel is provided with an installation base corresponding to the hanging bracket assembly, the top of the installation base is connected with a fixing rod, and a metal spring shock absorber is connected between the fixing rod and the hanging bracket assembly. The embedded fixing part is arranged in the tunnel vault, the hanging bracket assembly and the suspension assembly are connected to the bottom of the embedded fixing part, the bottom of the suspension assembly is connected with the front end and the rear end of the top of the jet fan barrel, and the fixing rod is connected with the hanging bracket assembly through the metal spring shock absorber. The metal spring shock absorber plays a role in shock absorption and buffering on the jet fan barrel, so that the vibration of the jet fan barrel and the noise generated by the vibration are greatly reduced or eliminated.
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Description

Technical Field

[0001] The utility model belongs to the technical field of jet fans, and in particular relates to a jet fan mounting bracket for underground road ventilation. Background Art

[0002] Underground roads are also called underground transportation and tunnels. Due to the serious shortage of urban land resources and the substantial expansion of transportation, traffic congestion has become common in megacities. In this regard, megacities should increase their efforts to build a fast road system between the city center and the edge groups, and "underground roads" are the best choice to ensure speed without occupying urban space.

[0003] With the increase in the construction of highways and urban underground traffic roads, the number of tunnels or tunnel groups is increasing. For short tunnels and tunnel groups, jet fans are the main ventilation equipment for tunnel operation ventilation and fire smoke exhaust under emergency conditions. Therefore, the installation and use of jet fans are also increasing.

[0004] Fresh air is sucked in from the air inlet of the jet fan, pressurized by the impeller and ejected from the air outlet, which accelerates the air flow in the tunnel. However, during the process of air intake, acceleration and delivery, a lot of noise will be generated. At the same time, the jet fan will also produce large vibrations, which will reduce the installation stability of the jet fan. Utility Model Content

[0005] The utility model aims to solve the above-mentioned technical problems existing in the prior art and provides a jet fan mounting bracket for underground road ventilation, by arranging a mounting seat on the jet fan cylinder, arranging a fixing rod on the top of the mounting seat, arranging an embedded fixing part in the tunnel arch, connecting a hanger assembly and a suspension assembly to the bottom of the embedded fixing part, respectively, the bottom of the suspension assembly is respectively connected to the front and rear ends of the top of the jet fan cylinder, the fixing rod and the hanger assembly are connected by a metal spring shock absorber, the metal spring shock absorber plays a shock absorbing and buffering role on the jet fan cylinder, greatly reducing or eliminating the vibration of the jet fan cylinder and the noise generated by the vibration.

[0006] In order to solve the above technical problems, the utility model adopts the following technical solutions:

[0007] The mounting bracket of a jet fan for underground road ventilation includes a hanger assembly, an embedded fixing and a suspension assembly. The top of the hanger assembly and the top of the suspension assembly are connected to the tunnel vault through the embedded fixing, the bottom of the suspension assembly is connected to the front and rear ends of the jet fan cylinder, the jet fan cylinder is provided with a mounting seat corresponding to the hanger assembly, the top of the mounting seat is connected to a fixing rod, and a metal spring shock absorber is connected between the fixing rod and the hanger assembly. The utility model arranges a mounting seat on the jet fan cylinder, arranges a fixing rod on the top of the mounting seat, arranges an embedded fixing in the tunnel vault, and connects the hanger assembly and the suspension assembly at the bottom of the embedded fixing, respectively, the bottom of the suspension assembly is respectively connected to the front and rear ends of the top of the jet fan cylinder, the fixing rod is connected to the hanger assembly through the metal spring shock absorber, and the metal spring shock absorber plays a role of shock absorption and buffering for the jet fan cylinder, greatly reducing or eliminating the vibration of the jet fan cylinder and the noise generated by the vibration.

[0008] Furthermore, the suspension assembly is provided with a rope, one end of which is respectively connected to the front and rear ends of the jet fan cylinder, and the other end of which is connected to the corresponding embedded fixing piece. By using the rope, one end of the rope is fixed to the embedded fixing piece, and the other end is fixedly connected to the jet fan cylinder.

[0009] Furthermore, the suspension assembly also includes a hook and a support, the hook is fixedly connected to the bottom of the corresponding embedded fixing piece, the support is fixedly connected to the front and rear ends of the top of the jet fan cylinder, one end of the rope is connected to the hook, and the other end of the rope is fixedly connected to the support. The setting of the hook and the support facilitates the connection of the rope and increases the strength of the rope fixing.

[0010] Furthermore, the mounting seat is fixedly connected with a reinforcing rib, and the provision of the reinforcing rib improves the structural strength of the mounting seat, thereby increasing the installation stability of the mounting seat.

[0011] Furthermore, the hanger assembly includes a fixing plate and a mounting frame, the mounting frame is a U-shaped structure, the fixing plates are arranged at both ends of the mounting frame, both ends of the mounting frame are screwed with fastening screws, the fastening screws pass through the mounting frame and the fixing plate and are screwed into the bottom of the corresponding embedded fixing piece. The mounting frame is fixedly connected to the embedded fixing piece through the cooperation of the fastening screws and the fixing plate.

[0012] Furthermore, the mounting frame is provided with a mounting cavity, the two ends of the fixing rod are arranged in the mounting cavity, and the metal spring shock absorber is arranged between the bottom of the two ends of the fixing rod and the bottom of the mounting cavity. The metal spring shock absorber is arranged between the bottom of the mounting cavity and the bottom of the two ends of the fixing rod, and plays a role of shock absorption and buffering for the installation of the jet fan cylinder.

[0013] Furthermore, the metal spring shock absorber is provided with a buffer spring and a damping rod, the top of the damping rod is connected to the bottom of both ends of the fixing rod, the bottom of the damping rod is connected to the bottom of the installation cavity, and the buffer spring is sleeved on the outside of the damping rod. The cooperation of the buffer spring and the damping rod realizes the shock absorption and buffering of the jet fan, thereby greatly reducing the generation of noise.

[0014] Furthermore, the embedded fixing includes a bottom plate, a connection seat, a connection part and a mounting rod, the connection seat is fixedly connected to the bottom plate, the connection part fixedly connects the mounting rod and the connection seat, and the top of the mounting rod is bent to a side away from the connection seat to form a hook 1. The bottom plate is located outside the tunnel vault, the mounting rod is fixedly connected to the connection seat through the connection part, and a hook 1 is arranged on the top of the mounting rod, and the hook 1 is hung tightly on the main reinforcement in the tunnel vault.

[0015] Furthermore, a threaded end is provided at one end of the connection part, and the threaded end passes through the mounting rod and the connection seat, and a locking nut is screwed into the threaded end, and the locking nut is tightened on the connection seat, and a second hook is provided at the other end of the connection part, and the opening direction of the second hook is the same as that of the first hook, and both point to the bottom plate. A threaded end is provided at one end of the connection part, and the locking nut is used to fix the mounting rod and the connection seat, and a second hook is provided at the other end of the connection part, and the second hook is hung on the main reinforcement in the tunnel vault, and the first hook and the second hook are respectively hung on the upper and lower main reinforcements in the tunnel vault, which provides sufficient bearing capacity for the installation of the jet fan, and the force is well received and the installation is stable.

[0016] Furthermore, both ends of the jet fan are provided with a silencer, and the outer periphery of the silencer is provided with a silencer layer. The silencer layer realizes the silencer has a silencer function, and silences the air convection generated by the jet fan, thereby reducing the generation of noise.

[0017] The utility model has the following beneficial effects due to the adoption of the above technical solution:

[0018] The utility model arranges a mounting seat on a jet fan cylinder, arranges a fixing rod on the top of the mounting seat, arranges an embedded fixing piece in a tunnel vault, connects a hanger assembly and a suspension assembly to the bottom of the embedded fixing piece, the bottom of the suspension assembly is respectively connected to the front and rear ends of the top of the jet fan cylinder, the fixing rod is connected to the hanger assembly through a metal spring shock absorber, and the metal spring shock absorber plays a shock absorbing and buffering role on the jet fan cylinder, thereby greatly reducing or eliminating the vibration of the jet fan cylinder and the noise generated by the vibration.

[0019] The embedded fixing in the utility model includes a base plate, a connection seat, a connection part and a mounting rod. The connection seat is fixedly connected to the base plate, the connection part fixes the mounting rod and the connection seat, and the top of the mounting rod is bent to the side away from the connection seat to form a hook 1. The base plate is located on the outside of the tunnel vault, the mounting rod is fixedly connected to the connection seat through the connection part, and a hook 1 is arranged on the top of the mounting rod, and the hook 1 is hung on the main reinforcement in the tunnel vault. A threaded end is arranged at one end of the connection part, and the threaded end passes through the mounting rod and the connection seat, and a locking nut is screwed into the threaded end, and the locking nut is tightened on the connection seat. A hook 2 is arranged at the other end of the connection part, and the opening direction of the hook 2 is the same as that of the hook 1, and both point to the base plate. A threaded end is provided at one end of the connection part, which cooperates with a locking nut to fix the mounting rod and the connecting seat. A second hook is provided at the other end of the connection part. The second hook is hung on the main reinforcement in the tunnel arch. The first hook and the second hook are respectively hung on the upper and lower main reinforcements in the tunnel arch, which provides sufficient bearing capacity for the installation of the jet fan, ensures good force and stable installation.

[0020] In the utility model, both ends of the jet fan are provided with a silencer, and the outer periphery of the silencer is provided with a silencer layer. The silencer layer realizes the silencer has a silencer function, plays a silencer function on the air convection generated by the jet fan, thereby reducing the generation of noise. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] The utility model is further described below in conjunction with the accompanying drawings:

[0022] Figure 1 This is a schematic diagram of the structure of the jet fan mounting bracket for underground road ventilation of the utility model;

[0023] Figure 2 for Figure 1 A cross-sectional view of

[0024] Figure 3 for Figure 1 A partial enlarged view of

[0025] Figure 4 for Figure 2 A partial enlarged view of

[0026] Figure 5 It is a structural schematic diagram of the embedded fixing part in the utility model.

[0027] In the figure, 1- hanger assembly; 2- embedded fixings; 3- suspension assembly; 4- tunnel vault; 5- jet fan cylinder; 6- mounting seat; 7- fixing rod; 8- metal spring shock absorber; 9- rope; 10- hook; 11- support; 12- reinforcing rib; 13- fixing plate; 14- mounting frame; 15- fastening screw; 16- mounting cavity; 17- buffer spring; 18- damping rod; 19- bottom plate; 20- connecting seat; 21- connecting part; 22- mounting rod; 23- hook one; 24- threaded end; 25- locking nut; 26- hook two; 27- silencer; 28- silencer layer; 29- main reinforcement. DETAILED DESCRIPTION

[0028] like Figures 1 to 5 As shown, the utility model is a jet fan installation bracket for underground road ventilation, including a hanger assembly 1, an embedded fixing 2 and a suspension assembly 3. The top of the hanger assembly 1 and the top of the suspension assembly 3 are connected to the tunnel vault 4 through the embedded fixing 2, the bottom of the suspension assembly 3 is connected to the front and rear ends of the jet fan cylinder 5, and the jet fan cylinder 5 is provided with a mounting seat 6 corresponding to the hanger assembly 1, and a fixing rod 7 is connected to the top of the mounting seat 6, and a metal spring shock absorber 8 is connected between the fixing rod 7 and the hanger assembly 1.

[0029] The suspension assembly 3 is provided with a rope 9, one end of the rope 9 is respectively connected to the front and rear ends of the jet fan cylinder 5, and the other end of the rope 9 is connected to the corresponding embedded fixing member 2. By using the rope 9, one end of the rope 9 is fixed to the embedded fixing member 2, and the other end is fixedly connected to the jet fan cylinder 5.

[0030] The suspension assembly 3 further includes a hook 10 and a support 11, wherein the hook 10 is fixedly connected to the bottom of the corresponding embedded fixing member 2, and the support 11 is fixedly connected to the front and rear ends of the top of the jet fan cylinder 5, one end of the rope 9 is connected to the hook 10, and the other end of the rope 9 is fixedly connected to the support 11. The arrangement of the hook 10 and the support 11 facilitates the connection of the rope 9 and increases the strength of the rope 9 fixation.

[0031] The mounting seat 6 is fixedly connected with a reinforcing rib 12. The provision of the reinforcing rib 12 improves the structural strength of the mounting seat 6, thereby increasing the installation stability of the mounting seat 6.

[0032] The hanger assembly 1 includes a fixing plate 13 and a mounting frame 14. The mounting frame 14 is in a U-shaped structure. The fixing plates 13 are arranged at both ends of the mounting frame 14. Both ends of the mounting frame 14 are screwed with fastening screws 15. The fastening screws 15 pass through the mounting frame 14 and the fixing plate 13 and are screwed into the bottom of the corresponding embedded fixing member 2. The mounting frame 14 is fixedly connected to the embedded fixing member 2 by the cooperation of the fastening screws 15 and the fixing plate 13.

[0033] The mounting frame 14 is provided with a mounting cavity 16, the two ends of the fixing rod 7 are arranged in the mounting cavity 16, and the metal spring shock absorber 8 is arranged between the bottom of the two ends of the fixing rod 7 and the bottom of the mounting cavity 16. The metal spring shock absorber 8 is arranged between the bottom of the mounting cavity 16 and the bottom of the two ends of the fixing rod 7, and plays a role of shock absorption and buffering for the installation of the jet fan cylinder 5.

[0034] The metal spring shock absorber 8 is provided with a buffer spring 17 and a damping rod 18, the top of the damping rod 18 is connected to the bottom of both ends of the fixing rod 7, the bottom of the damping rod 18 is connected to the bottom of the installation cavity 16, and the buffer spring 17 is sleeved on the outside of the damping rod 18. The cooperation of the buffer spring 17 and the damping rod 18 realizes the shock absorption and buffering of the jet fan, thereby greatly reducing the generation of noise.

[0035] The embedded fixing 2 includes a bottom plate 19, a connection seat 20, a connection part 21 and a mounting rod 22. The connection seat 20 is fixedly connected to the bottom plate 19. The connection part 21 fixedly connects the mounting rod 22 to the connection seat 20. The top of the mounting rod 22 is bent away from the connection seat 20 to form a hook 23. The bottom plate 19 is located outside the tunnel vault 4. The mounting rod 22 is fixedly connected to the connection seat 20 through the connection part 21. The top of the mounting rod 22 is provided with a hook 23, which is hung tightly on the main reinforcement 29 in the tunnel vault 4.

[0036] A threaded end 24 is provided at one end of the connection part 21, and the threaded end 24 passes through the mounting rod 22 and the connection seat 20. A locking nut 25 is screwed into the threaded end 24, and the locking nut 25 is tightened on the connection seat 20. A second hook 26 is provided at the other end of the connection part 21, and the opening direction of the second hook 26 and the first hook 23 are the same, both pointing to the bottom plate 19. A threaded end 24 is provided at one end of the connection part 21, and the locking nut 25 is used to fix the mounting rod 22 and the connection seat 20. A second hook 26 is provided at the other end of the connection part 21, and the second hook 26 is hung on the main reinforcement 29 in the tunnel vault 4. The first hook 23 and the second hook 26 are respectively hung on the upper and lower main reinforcements 29 in the tunnel vault 4, which provide sufficient bearing capacity for the installation of the jet fan, good force, and stable installation.

[0037] Both ends of the jet fan are provided with a silencer 27, and the outer periphery of the silencer 27 is provided with a silencer layer 28. The silencer layer 28 realizes that the silencer 27 has a silencer function, and plays a silencer function on the air convection generated by the jet fan, thereby reducing the generation of noise.

[0038] The utility model arranges a mounting seat 6 on a jet fan cylinder 5, arranges a fixing rod 7 on the top of the mounting seat 6, arranges an embedded fixing part 2 in a tunnel vault 4, connects a hanger assembly 1 and a suspension assembly 3 to the bottom of the embedded fixing part 2, the bottom of the suspension assembly 3 is respectively connected to the front and rear ends of the top of the jet fan cylinder 5, the fixing rod 7 is connected to the hanger assembly 1 through a metal spring shock absorber 8, and the metal spring shock absorber 8 plays a shock absorbing and buffering role on the jet fan cylinder 5, thereby greatly reducing or eliminating the vibration of the jet fan cylinder 5 and the noise generated by the vibration.

[0039] The above are only specific embodiments of the utility model, but the technical features of the utility model are not limited thereto. Any simple changes, equivalent replacements or modifications made based on the utility model to solve basically the same technical problems and achieve basically the same technical effects are all included in the protection scope of the utility model.

Claims

1. Jet fan mounting bracket for underground road ventilation, characterized by: It includes a hanger assembly, an embedded fixing and a suspension assembly. The top of the hanger assembly and the top of the suspension assembly are connected to the tunnel vault through the embedded fixing. The bottom of the suspension assembly is connected to the front and rear ends of the jet fan cylinder. The jet fan cylinder is provided with a mounting seat corresponding to the hanger assembly. The top of the mounting seat is connected to a fixing rod. A metal spring shock absorber is connected between the fixing rod and the hanger assembly.

2. The jet fan mounting bracket for underground road ventilation according to claim 1 is characterized in that: The suspension assembly is provided with a rope, one end of which is respectively connected to the front and rear ends of the jet fan cylinder, and the other end of which is connected to the corresponding embedded fixing piece.

3. The jet fan mounting bracket for underground road ventilation according to claim 2 is characterized in that: The suspension assembly also includes a hook and a support, the hook is fixedly connected to the bottom of the corresponding embedded fixing part, the support is fixedly connected to the front and rear ends of the top of the jet fan cylinder, one end of the rope is connected to the hook, and the other end of the rope is fixedly connected to the support.

4. The jet fan mounting bracket for underground road ventilation according to claim 1, characterized in that: The mounting seat is fixedly connected with a reinforcing rib.

5. The jet fan mounting bracket for underground road ventilation according to claim 1, characterized in that: The hanger assembly includes a fixing plate and a mounting frame, the mounting frame is in a U-shaped structure, the fixing plates are arranged at both ends of the mounting frame, both ends of the mounting frame are screwed with fastening screws, the fastening screws pass through the mounting frame and the fixing plate and are screwed into the bottom of the corresponding embedded fixing parts.

6. The jet fan mounting bracket for underground road ventilation according to claim 5, characterized in that: The mounting frame is provided with a mounting cavity, the two ends of the fixing rod are arranged in the mounting cavity, and the metal spring shock absorber is arranged between the bottom of the two ends of the fixing rod and the bottom of the mounting cavity.

7. The jet fan mounting bracket for underground road ventilation according to claim 6, characterized in that: The metal spring shock absorber is provided with a buffer spring and a damping rod, the top of the damping rod is connected to the bottom of both ends of the fixing rod, the bottom of the damping rod is connected to the bottom of the installation cavity, and the buffer spring is sleeved on the outside of the damping rod.

8. The jet fan mounting bracket for underground road ventilation according to claim 1, characterized in that: The embedded fixing part includes a base plate, a connecting seat, a connecting part and a mounting rod, wherein the connecting seat is fixedly connected to the base plate, the connecting part fixes the mounting rod and the connecting seat, and the top of the mounting rod is bent toward a side away from the connecting seat to form a hook.

9. The jet fan mounting bracket for underground road ventilation according to claim 8, characterized in that: A threaded end is provided at one end of the connecting part, and the threaded end passes through the mounting rod and the connecting seat. A locking nut is screwed into the threaded end, and the locking nut is tightened on the connecting seat. A second hook is provided at the other end of the connecting part, and the opening direction of the second hook is the same as that of the first hook, both pointing to the base plate.

10. The jet fan mounting bracket for underground road ventilation according to claim 1, characterized in that: Both ends of the jet fan are provided with silencers, and the outer periphery of the silencer is provided with a silencer layer.

Citation Information

Cited By

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