High-air-pressure roadway air door
By adopting cylinder and buffer ring structures in high-wind pressure tunnel dampers, combined with control devices and hooking systems, the problem of difficulty in opening and short service life of the dampers in the mine is solved, and labor-saving, safe and convenient operation is achieved, and maintenance costs are reduced. and accident risk.
Patent Information
- Application Number
- CN202420324820.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-02-21
- Publication Date
- 2024-12-13
- Estimated Expiration
- 2034-02-21
AI Technical Summary
The high-wind pressure tunnel damper in the mine is difficult to open manually, it has a short service life and high maintenance cost, and is prone to personnel accidents.
A high-wind pressure tunnel damper is designed, using a cylinder and buffer ring structure, so that the door body is opened by pushing and pulling the cylinder to reduce the opening force requirement, and ensure safe and convenient operation through the control device and hook system. At the same time, the form is set to reduce the wind pressure difference. and facilitate the delivery of items.
It realizes the labor-saving opening of the damper, extends the service life, reduces maintenance costs, avoids personnel injury and wall damage, and improves the convenience and safety of operation.
Smart Images
Figure CN222162685U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of underground construction, in particular to a high-pressure tunnel air door. Background Art
[0002] The air intake and return tunnels in the mine are equipped with tunnel dampers. Due to the high wind pressure, it is very difficult to open the dampers manually. It is difficult for people with less strength to open the dampers. At the same time, due to the high wind pressure, the door will hit the door frame strongly when closing, which will reduce the service life of the dampers and damage the walls. It is also very easy to cause accidents in which people are squeezed by the door leaves. In the existing technology, fully automatic dampers can be installed, but the cost is very high and the later maintenance cost is also very high. Summary of the invention
[0003] The utility model aims to solve one of the technical problems in the related art at least to a certain extent. To this end, the utility model embodiment provides a high-pressure lane damper, which makes the damper opening extremely labor-saving, easy to install and cost-saving.
[0004] The utility model embodiment proposes a high-pressure tunnel damper, including: a door body, a cylinder and a buffer ring, the door body is hinged to the side wall of the tunnel, the door body has a pulling side and a pushing side, the pulling side of the door body is the air inlet side, and the pushing side of the door body is the leeward side, a first handle is provided on the pulling side of the door body, and the hinge of the door body and the first handle are respectively located on two opposite sides of the door body; the cylinder has a cylinder body and a cylinder rod, the cylinder body is arranged in a horizontal direction, the cylinder body is installed on the side wall of the tunnel and is located on the same side as the hinge of the door body, the cylinder rod is retracted in a horizontal direction, and the top end of the cylinder rod is connected to the first handle by a steel wire rope; the buffer ring is connected to the side wall of the tunnel and on the same side as the cylinder, and the steel wire rope passes through the buffer ring.
[0005] The utility model sets a cylinder to push and pull the door body, making the opening of the damper extremely labor-saving, easy to install, and cost-saving, avoiding strong impact on the door frame when closing the door, thereby reducing the service life of the damper, and preventing damage to the wall, while also avoiding accidents of people being squeezed and injured by the door leaf. By setting a buffer ring, one end of the wire rope is connected to the cylinder rod in a straight line, making it easier for the hydraulic cylinder to pull the wire rope, while also preventing the pulling of the wire rope from causing the angle of the cylinder rod to deviate.
[0006] In some embodiments, the buffer ring is connected to the side wall of the lane through a tension spring. By arranging the tension spring, a buffer can be provided for the pulling of the wire rope.
[0007] In some embodiments, the two ends of the wire rope are respectively connected to a first hook and a second hook, the top end of the cylinder rod is fixedly connected to a first pull ring, the first hook hooks the first pull ring, and the second hook hooks the first handle.
[0008] In some embodiments, the first handle is fixedly connected with a second pull ring, and the second hook hooks the second pull ring. Once the cylinder fails, the damper can be opened by manually pulling the first handle, and the second hook and the second pull ring will not hinder the pulling of the first handle.
[0009] In some embodiments, the first handle is fixedly connected to the middle position of the edge of the door body, making it easier for the door body to be stressed.
[0010] In some embodiments, the second pull ring is fixedly connected to the middle position of the first handle, making it easier for the door body to be stressed.
[0011] In some embodiments, the steel wire rope is arranged in a horizontal direction, which makes it easier to exert the pulling force of the steel wire rope.
[0012] In some embodiments, the high-pressure lane damper further comprises a control device, a first switch and a second switch, the first switch and the second switch are both arranged on the side wall of the lane and located on both sides of the door body, the first switch and the second switch are respectively electrically connected to the control device, the control device is connected to the cylinder and controls the extension and retraction of the cylinder rod, so that personnel can open and close the door no matter which side of the damper they are on, which is convenient for personnel to operate.
[0013] In some embodiments, the first hook and the second hook are both spring hooks, which can prevent the steel wire rope from falling off the first pull ring or the second pull ring.
[0014] In some embodiments, a window is provided on the door body, and the upper and lower sides of the window are respectively fixedly connected to the slideway, a baffle is inserted in the slideway, one side of the baffle is connected to the second handle, and the baffle is driven to slide in the horizontal direction by pushing the second handle, and the longitudinal cross-sectional area of the baffle is larger than the longitudinal cross-sectional area of the window. By providing the window, the window can be opened in time to reduce the wind pressure difference on both sides of the door body, making it easier to open the damper; people on both sides of the door body can also deliver tools or items through the window without opening the damper. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] The above and / or additional aspects and advantages of the present invention will become apparent and easily understood from the following description of the embodiments in conjunction with the accompanying drawings.
[0016] in:
[0017] Figure 1 This is a schematic diagram of the structure of a high-pressure tunnel damper in an embodiment of the utility model;
[0018] Figure 2 for Figure 1 A schematic diagram of the connection between the wire rope, the first hook and the second hook;
[0019] Figure 3It is a structural schematic diagram of a steel wire rope, a first hook and a second hook in a detachable connection mode;
[0020] Figure 4 It is a schematic diagram of the connection between the buffer ring and the tension spring;
[0021] Figure 5 for Figure 1 The left side view of the door body;
[0022] Figure 6 for Figure 5 Sectional view of the AA plane;
[0023] Reference numerals:
[0024] 1-cylinder body; 2-cylinder rod; 3-first pull ring; 4-first hook; 5-wire rope; 6-buffer ring; 7-door body; 8-first handle; 9-second pull ring; 10-second hook; 11-baffle; 12-slide; 13-first connecting block; 14-first external threaded portion; 15-second connecting block; 16-second external threaded portion; 17-tunnel side wall; 18-tension spring; 19-second handle; 20-window body. DETAILED DESCRIPTION
[0025] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and intended to be used to explain the present invention, but cannot be understood as limiting the present invention.
[0026] The high wind pressure tunnel damper of the embodiment of the utility model is described below with reference to the accompanying drawings.
[0027] like Figure 1-6 As shown, an embodiment of the utility model proposes a high-pressure tunnel damper, comprising: a door body 7, a cylinder and a buffer ring 6, the door body 7 is hinged to the tunnel side wall 17, the door body 7 has a pulling side and a pushing side, the pulling side of the door body 7 is the air inlet side, and the pushing side of the door body 7 is the leeward side, a first handle 8 is provided on the pulling side of the door body 7, and the hinge of the door body 7 and the first handle 8 are respectively located on opposite sides of the door body 7; the cylinder has a cylinder body 1 and a cylinder rod 2, the cylinder body 1 is arranged in the horizontal direction, the cylinder body 1 is installed on the tunnel side wall 17 and is located on the same side as the hinge of the door body 7, the cylinder rod 2 is retracted in the horizontal direction, and the top of the cylinder rod 2 is connected to the first handle 8 through a steel wire rope 5; the buffer ring 6 is connected to the tunnel side wall 17 and on the same side as the cylinder, and the steel wire rope 5 passes through the buffer ring 6.
[0028] The utility model provides an air cylinder to push and pull the door body 7, which makes the opening of the damper extremely labor-saving, easy to install, and cost-saving, and avoids strong impact on the door frame when closing the door, thereby reducing the service life of the damper, and also prevents damage to the wall, and also avoids accidents of people being squeezed and injured by the door leaf. By providing a buffer ring 6, one end of the wire rope 5 is connected to the cylinder rod 2 in a straight line, making it easier for the hydraulic cylinder to pull the wire rope 5, and also preventing the pulling of the wire rope 5 from causing the angle of the cylinder rod 2 to deviate.
[0029] Furthermore, the cylinder body 1 is mounted on the tunnel side wall 17 via a mounting frame.
[0030] In some embodiments, Figure 4 As shown, the buffer ring 6 is connected to the tunnel side wall 17 through a tension spring 18. By arranging the tension spring 18, a buffer can be provided for the pulling of the wire rope 5.
[0031] In some embodiments, the two ends of the wire rope 5 are respectively connected to the first hook 4 and the second hook 10, the top end of the cylinder rod 2 is fixedly connected to the first pull ring 3, the first hook 4 hooks the first pull ring 3, and the second hook 10 hooks the first handle 8.
[0032] In some embodiments, the first handle 8 is fixedly connected with a second pull ring 9, and the second hook 10 hooks the second pull ring 9. Once the cylinder fails, the damper can be opened by manually pulling the first handle 8, and the second hook 10 and the second pull ring 9 will not hinder the pulling of the first handle 8.
[0033] In some embodiments, the first handle 8 is fixedly connected to the middle position of the edge of the door body 7, making it easier for the door body 7 to be stressed.
[0034] In some embodiments, the second pull ring 9 is fixedly connected to the middle position of the first handle 8, making it easier for the door body 7 to be stressed.
[0035] In some embodiments, the steel wire rope 5 is arranged in a horizontal direction, which makes it easier to exert the pulling force of the steel wire rope 5.
[0036] In some embodiments, the high-pressure tunnel damper further includes a control device, a first switch and a second switch, both of which are arranged on the tunnel side wall 17 and on both sides of the door body 7, and the first switch and the second switch are electrically connected to the control device respectively, and the control device is connected to the cylinder and controls the extension and retraction of the cylinder rod 2. This allows personnel to open and close the door no matter which side of the damper they are on, which is convenient for personnel to operate.
[0037] In some embodiments, the first hook 4 and the second hook 10 are spring hooks, which can prevent the steel wire rope 5 from falling off the first pull ring 3 or the second pull ring 9.
[0038] Further, the two ends of the steel wire rope 5 are connected to the first hook 4 and the second hook 10 by welding, or by a detachable fixed connection, for example, Figure 3 As shown, a first external threaded portion 14 and a second external threaded portion 16 are respectively provided at both ends of the wire rope 5, the first hook 4 is fixedly connected to a first connecting block 13, a first thread groove is provided on the first connecting block 13, the first external threaded portion 14 is screwed into the first thread groove, the second hook 10 is fixedly connected to a second connecting block 15, a second thread groove is provided on the second connecting block 15, the second external threaded portion 16 is screwed into the second thread groove.
[0039] In some embodiments, Figure 5-6 As shown, a window 20 is provided on the door body 7, and the upper and lower sides of the window 20 are respectively fixedly connected to the slideway 12, and a baffle 11 is inserted in the slideway 12. One side of the baffle 11 is connected to the second handle 19, and the baffle 11 is driven to slide in the horizontal direction by pushing the second handle 19. The longitudinal cross-sectional area of the baffle 11 is larger than the longitudinal cross-sectional area of the window 20. By providing the window 20, the window 20 can be opened in time to reduce the wind pressure difference on both sides of the door body 7, making it easier to open the damper; people on both sides of the door body 7 can also deliver tools or items through the window 20 without opening the damper.
[0040] Further, the upper and lower slideways 12 of the window body 20 are parallel to each other, a slot is formed in the slideway 12, and the baffle 11 is arranged on the pull side of the door body 7. When the wind pressure difference on both sides of the door body 7 is large, the damper can be opened in time, or only partially opened.
[0041] Furthermore, the length of the slideway 12 is greater than twice the length of the window 20. Sufficient space is provided for the movement of the baffle 11, and the window 20 can be fully opened or fully closed by the movement of the baffle 11. The window 20 can be arranged at an upper position of the door body 7.
[0042] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.
[0043] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In the description of the present utility model, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.
[0044] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral one; it can be a mechanical connection, an electrical connection, or communication with each other; it can be a direct connection, or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
[0045] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being "above", "above" or "above" a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being "below", "below" or "below" a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.
[0046] In the present utility model, the terms "one embodiment", "some embodiments", "examples", "specific examples", or "some examples" etc. mean that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present utility model. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the described specific features, structures, materials or characteristics may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine the different embodiments or examples described in this specification and the features of the different embodiments or examples, without contradiction.
[0047] Although the embodiments of the present invention have been shown and described above, it can be understood that the above embodiments are exemplary and cannot be understood as limitations of the present invention. Ordinary technicians in the field can change, modify, replace and modify the above embodiments within the scope of the present invention.
Claims
1. A high-pressure tunnel damper, characterized in that: include: A door body, the door body is hinged to the side wall of the lane, the door body has a pull side and a push side, the pull side of the door body is the windward side, the push side of the door body is the leeward side, a first handle is provided on the pull side of the door body, and the hinge of the door body and the first handle are respectively located at two opposite sides of the door body; A cylinder, wherein the cylinder comprises a cylinder body and a cylinder rod, the cylinder body is arranged in a horizontal direction, the cylinder body is installed on the side wall of the tunnel and is located on the same side as the hinge of the door body, the cylinder rod is retracted in a horizontal direction, and the top end of the cylinder rod is connected to the first handle through a steel wire rope; A buffer ring is connected to the side wall of the tunnel and is on the same side as the cylinder, and the steel wire rope passes through the buffer ring.
2. The high-pressure tunnel damper according to claim 1, characterized in that: The buffer ring is connected to the side wall of the lane through a tension spring.
3. The high-pressure tunnel damper according to claim 1, characterized in that: The two ends of the steel wire rope are respectively connected with a first hook and a second hook, the top end of the cylinder rod is fixedly connected with a first pull ring, the first hook hooks the first pull ring, and the second hook hooks the first handle.
4. The high-pressure tunnel damper according to claim 3, characterized in that: The first handle is fixedly connected with a second pull ring, and the second hook hooks the second pull ring.
5. The high-pressure tunnel damper according to claim 4, characterized in that: The first handle is fixedly connected to the middle position of the edge of the door body.
6. The high-pressure tunnel damper according to claim 5, characterized in that: The second pull ring is fixedly connected to the middle position of the first handle.
7. The high-pressure tunnel damper according to claim 1, characterized in that: The steel wire rope is arranged along the horizontal direction.
8. The high-pressure tunnel damper according to claim 1, characterized in that: It also includes a control device, a first switch and a second switch. The first switch and the second switch are both arranged on the side wall of the tunnel and located on both sides of the door body. The first switch and the second switch are respectively electrically connected to the control device. The control device is connected to the cylinder and controls the extension and retraction of the cylinder rod.
9. The high-pressure tunnel damper according to claim 3, characterized in that: The first hook and the second hook are both spring hooks.
10. The high-pressure tunnel damper according to any one of claims 1 to 9, characterized in that: A window is provided on the door body, and the upper and lower sides of the window are respectively fixedly connected to a slide, a baffle is inserted in the slide, one side of the baffle is connected to a second handle, and the baffle is driven to slide in a horizontal direction by pushing the second handle, and the longitudinal cross-sectional area of the baffle is larger than the longitudinal cross-sectional area of the window.