Danger avoiding facility suitable for large longitudinal slope inclined shaft
By setting up a height transition layer and a hazard house in the inclined shaft of the large longitudinal slope, the problem of the inability to quickly ensure the safety of operators when special mine vehicles avoid danger is solved, and rapid and safe evacuation and rescue in emergency situations are achieved.
Patent Information
- Application Number
- CN202421796238.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-26
- Publication Date
- 2025-06-17
- Estimated Expiration
- 2034-07-26
AI Technical Summary
In the large longitudinal slope inclined shaft, it is impossible to protect the safety of operators in a short period of time when avoiding hazards through special mine vehicles, especially in emergencies such as landslides.
A hedging facility suitable for large longitudinal slope inclined shafts was designed, including the installation of a height transition layer and a hedge house in the inclined shaft. The height transition layer is arranged at a distance between the height and the horizontal direction, and a hedge house is provided between adjacent height transition layers for operators to avoid risks. At the same time, a first guard is provided on both sides of the height transition layer, including a column and a cross bar, to prevent the operator from falling.
By setting up a height transition layer and a hazard house in the inclined shaft, operators can quickly enter the hazard house in an emergency to ensure safe evacuation and rescue, effectively solving the problem that the safety of operators cannot be guaranteed in a short time when avoiding hazards through special mine vehicles.
Smart Images
Figure CN222991531U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of tunnel construction, and particularly relates to an emergency shelter applicable to a large longitudinal slope inclined shaft. Background Art
[0002] During the construction of a relatively deep tunnel, an inclined shaft is often used as an auxiliary construction passage to increase the construction working face inside the tunnel and achieve the goal of shortening the construction period by driving a long tunnel in a short way. Therefore, it is the only passage for operators, materials, equipment, muck, etc. to enter and exit.
[0003] When the included angle between the inclined shaft entering the excavation section of the tunnel and the horizontal ground is greater than 45°, it is called a large longitudinal slope inclined shaft. It is difficult for personnel to walk on a large longitudinal slope inclined shaft. In a rail transportation system, operators usually take a special mine car to pass. In case of emergencies such as cave-ins, how to ensure the safe evacuation and rescue of operators is a difficult problem. In the conventional solution, a special mine car is used for emergency shelter. However, using a special mine car for emergency shelter not only has a high risk, but also cannot enable operators to evacuate in a short time, making it impossible to ensure the safety of operators in a short time. Summary of the Utility Model
[0004] In view of this, the utility model provides a safety guarantee facility applicable to the emergency of operators in a large longitudinal slope inclined shaft to solve the problem that the safety of operators cannot be guaranteed in a short time when using a special mine car for emergency shelter.
[0005] The utility model provides an emergency shelter applicable to a large longitudinal slope inclined shaft, which is arranged in the inclined shaft and includes a height transition layer. Specifically, there are two or more height transition layers, and the two or more height transition layers are arranged at intervals in the height direction and / or the horizontal direction; wherein, at least one emergency shelter is arranged between two adjacent height transition layers, and the emergency shelter is used for operators to take shelter.
[0006] Beneficial effects: By arranging two or more height transition layers inside the inclined shaft, since the two or more height transition layers are arranged at intervals in the height direction and / or the horizontal direction, it is convenient for operators to approach or move away from the wellhead inside the inclined shaft. Also, by arranging at least one emergency shelter between two adjacent height transition layers, in case of emergencies such as cave-ins, it is convenient for operators to temporarily enter the emergency shelter for shelter, fully guaranteeing the safety of operators.
[0007] In an optional embodiment, the height transition layer is a hierarchical structure, and any one of the height transition layers has two or more horizontal platforms and a support surface arranged obliquely or vertically between two adjacent horizontal platforms.
[0008] In an alternative embodiment, the refuge facility applicable to inclined shafts with large longitudinal slopes further includes a first protective member, which is provided in pairs and symmetrically arranged on both side boundaries of the height transition layer.
[0009] Beneficial effects: By providing first protective members on both side boundaries of the height transition layer, it prevents operators from falling during movement, improves the protective ability of the refuge facility, and further fully ensures the safety of operators.
[0010] In an alternative embodiment, the first protective member includes columns and crossbars. There are multiple columns, and the multiple columns are arranged at intervals along the horizontal direction and / or the vertical direction. Any one of the columns is vertically arranged on one side boundary of the height transition layer, and the bottom of any one of the columns is installed on the horizontal platform through a fixing member; the crossbars are horizontally or obliquely arranged between the columns to form a continuous handrail surface; wherein, the columns and the crossbars are fixed through a connection structure.
[0011] Beneficial effects: By making the first protective member include columns, it can ensure that the first protective member has good stability. Also, by horizontally or obliquely arranging the crossbars between the columns to form a continuous handrail surface for operators to temporarily grasp for support and balance, and by using a connection structure to fix the columns and the crossbars, and making the multiple columns arranged at intervals along the horizontal direction and / or the vertical direction, with any one of the columns vertically arranged on one side boundary of the height transition layer, the assembled first protective member can enclose a movable area with an open top at the height transition layer, preventing operators from falling on both side boundaries of the height transition layer during movement and effectively protecting the operators.
[0012] In an alternative embodiment, at least one refuge platform is provided between two adjacent height transition layers, and the refuge platform is used to place one or more refuge houses.
[0013] Beneficial effects: By providing at least one refuge platform between two adjacent height transition layers, and the refuge platform is used to place one or more refuge houses, it avoids conflicts during the simultaneous refuge of multiple operators.
[0014] In an alternative embodiment, the projection of the refuge house in the vertical direction falls within the projection of the refuge platform in the vertical direction.
[0015] Beneficial effects: By making the vertical projection of the refuge house fall within the vertical projection of the refuge platform, an area for the movement of operating personnel can be vacated on the refuge platform, enabling the operating personnel to enter the refuge house in an orderly manner, preventing multiple operating personnel from gathering on the height transition layer before entering the refuge house, thereby avoiding secondary accidents and further enhancing the protective ability of the refuge facilities.
[0016] In an alternative embodiment, the refuge house includes a steel structure main body and a roof sealing member. The interior of the steel structure main body is used to accommodate operating personnel. The steel structure main body has an opening at least at the top, and the roof sealing member is installed at the top opening of the steel structure main body.
[0017] Beneficial effects: By providing a roof sealing member at the top of the steel structure main body, the interior of the refuge house is separated from the external environment at the top, preventing the phenomenon of falling objects from high altitudes from injuring the operating personnel inside the refuge house, and further enhancing the protective ability of the refuge facilities.
[0018] In an alternative embodiment, a plurality of through openings are provided on the side of the steel structure main body; the refuge house further includes side sealing members, at least one side sealing member is provided, and at least one side sealing member is correspondingly installed at at least one through opening; wherein, second protective members are correspondingly provided at the remaining through openings, and the second protective members include one or more of columns, cross bars, and baffles.
[0019] Beneficial effects: By providing side sealing members at at least one side through opening of the steel structure main body and second protective members at the remaining through openings, it is avoided that operating personnel fall during the movement process at the refuge platform, and the protective ability of the refuge facilities is further enhanced.
[0020] In an alternative embodiment, the refuge facilities applicable to large longitudinal slope inclined shafts further include emergency supplies, and the emergency supplies are placed in the refuge house; the emergency supplies include one or more of gas masks, medical kits, lifebuoys, life ropes, food, and water sources.
[0021] Beneficial effects: By providing one or more of gas masks, medical kits, lifebuoys, life ropes, food, and water sources as emergency supplies in the refuge house, material guarantees are provided for operating personnel in case of emergencies such as cave-ins.
[0022] In an alternative embodiment, the refuge facilities applicable to large longitudinal slope inclined shafts further include emergency equipment, and the emergency equipment is placed in the refuge house; the emergency equipment at least includes a telephone and a placement platform, and the telephone is placed on the surface of the placement platform.
[0023] Beneficial effects: By providing emergency equipment such as a telephone and a placement platform in the refuge house, where the telephone is placed on the surface of the placement platform, communication guarantee is provided for the operating personnel in case of emergencies such as cave-ins. Description of the Drawings
[0024] In order to more clearly illustrate the technical solutions in the specific embodiments of the present invention, the drawings required for use in the description of the specific embodiments will be briefly introduced below. Obviously, the drawings in the following description are some embodiments of the present invention. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.
[0025] Figure 1 A three-dimensional view of a refuge facility applicable to a large longitudinal slope inclined shaft provided by an embodiment of the present invention;
[0026] Figure 2 A front view of a refuge facility applicable to a large longitudinal slope inclined shaft provided by an embodiment of the present invention;
[0027] Figure 3 A top view of a refuge facility applicable to a large longitudinal slope inclined shaft provided by an embodiment of the present invention.
[0028] Description of the reference numerals:
[0029] 1. Height transition layer; 11. Horizontal platform; 12. Support surface;
[0030] 2. Refuge house; 21. Steel structure main body; 22. Roof sealing member; 23. Side sealing member;
[0031] 3. First protective member; 31. Column; 32. Cross bar;
[0032] 4. Refuge platform;
[0033] 5. Second protective member; 51. Baffle. Specific Embodiments
[0034] To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are some, but not all, of the embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts fall within the scope of protection of the present invention.
[0035] In the description of the present application, it should be understood that the orientation or positional relationship indicated by terms such as "upper", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings. These are only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it should not be construed as a limitation to the present application.
[0036] The terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, features defined with "first" and "second" may explicitly or implicitly include one or more of such features.
[0037] In the description of the present application, unless otherwise specified, "a plurality of" means two or more.
[0038] In the description of the present application, it should be noted that unless otherwise clearly specified and limited, the terms "installed", "connected", and "coupled" should be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or an integral connection; it may be a mechanical connection or an electrical connection; it may be directly connected or indirectly connected through an intermediate medium, and it may be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present application can be understood according to specific circumstances.
[0039] Please refer to Figures 1 to 3 , Figure 1 which shows a three-dimensional view of an emergency shelter applicable to a large longitudinal slope inclined shaft provided by the present application; Figure 2 which shows a front view of an emergency shelter applicable to a large longitudinal slope inclined shaft provided by an embodiment of the present application; Figure 3 which shows a top view of an emergency shelter applicable to a large longitudinal slope inclined shaft provided by an embodiment of the present application.
[0040] Next, in conjunction with Figures 1 to 3 , the embodiments of the present utility model will be described.
[0041] The present application provides an emergency shelter applicable to a large longitudinal slope inclined shaft, and the emergency shelter is arranged in the inclined shaft. As Figure 1 and Figure 2 shown, the emergency shelter includes a height transition layer 1.
[0042] Specifically, there are two or more height transition layers 1, and the two or more height transition layers 1 are arranged at intervals in the height direction and / or the horizontal direction; among them, at least one emergency shelter 2 is provided between two adjacent height transition layers 1, and the emergency shelter 2 is used for the refuge of operating personnel.
[0043] Using the technical solution of this embodiment, by providing two or more height transition layers 1 inside the inclined shaft, since the two or more height transition layers 1 are arranged at intervals in the height direction and / or the horizontal direction, it is convenient for the operators to approach or move away from the wellhead inside the inclined shaft. Also, by providing at least one refuge house 2 between two adjacent height transition layers 1, in case of emergencies such as cave-ins, it is convenient for the operators to temporarily enter the refuge house 2 for refuge and rest, fully ensuring the safety of the operators.
[0044] As Figure 1 and Figure 2 shown, in this application, the height transition layer 1 has a hierarchical structure.
[0045] It can be noted that in this application, the structure of the height transition layer 1 is not specifically limited, as long as it can achieve the function of raising the height.
[0046] As one of the embodiments, any height transition layer 1 has two or more horizontal platforms 11 and a support surface 12 arranged obliquely or vertically between two adjacent horizontal platforms 11.
[0047] As Figure 1 and Figure 2 shown, the refuge facility applicable to a large longitudinal slope inclined shaft further includes a first protective member 3. The first protective members 3 are provided in pairs and symmetrically arranged at the two side boundaries of the height transition layer 1.
[0048] Using the technical solution of this embodiment, by providing the first protective members 3 at the two side boundaries of the height transition layer 1, it can prevent the operators from falling during the movement process, improving the protective ability of the refuge facility and further fully ensuring the safety of the operators.
[0049] It can be noted that in this application, the specific structure of the first protective member 3 is not specifically limited, as long as it can prevent the operators from falling at the height transition layer 1.
[0050] As one of the embodiments, the first protective member 3 includes columns 31 and crossbars 32. There are multiple columns 31, and the multiple columns 31 are arranged at intervals in the horizontal direction and / or the vertical direction. Any column 31 is vertically arranged at one of the side boundaries of the height transition layer 1, and the bottom of any column 31 is installed on the horizontal platform 11 through a fixing member; the crossbars 32 are arranged horizontally or obliquely between the columns 31 to form a continuous handrail surface; wherein, the columns 31 and the crossbars 32 are fixed through a connecting structure.
[0051] By using the technical solution of this embodiment, by making the first protective member 3 include columns 31, it can be ensured that the first protective member 3 has good stability. And by horizontally or obliquely arranging the crossbars 32 between the columns 31 to form a continuous handrail surface for temporary grasping by the operating personnel to provide support and balance. Also, by using a connecting structure to fix the columns 31 and the crossbars 32, and making the multiple columns 31 arranged at intervals along the horizontal direction and / or the vertical direction, and any column 31 is vertically arranged on one side boundary of the height transition layer 1, so that the assembled first protective member 3 can enclose a mobile area with an open top at the height transition layer 1, avoiding the operating personnel from falling on both side boundaries of the height transition layer 1 during the movement process and effectively protecting the operating personnel.
[0052] Further, when necessary, a plate-shaped protective member needs to be added. At this time, the plate-shaped protective member is used to block the area with relatively large local gaps in the first protective member 3.
[0053] It should be noted that the first protective member 3 is preferably a guardrail formed by welding Ф30 steel pipes to prevent the operating personnel from falling. Among them, the height of the column 31 is between 0.5 m and 1.5 m, preferably 0.8 m, and the connecting structure is bricks. During installation, the column 31 is fixed to the boundary of the horizontal platform 11 by means of bricklaying. At this time, the net distance between two adjacent columns 31 is between 0.1 m and 0.2 m, preferably 0.17 m.
[0054] As Figure 1 and Figure 2 shown, at least one refuge platform 4 is provided between two adjacent height transition layers 1, and the refuge platform 4 is used to place one or more refuge houses 2.
[0055] By using the technical solution of this embodiment, by providing at least one refuge platform 4 between two adjacent height transition layers 1, and the refuge platform 4 is used to place one or more refuge houses 2, it is possible to avoid conflicts during the process of multiple operating personnel taking refuge at the same time.
[0056] Preferably, in this application, one refuge platform 4 is provided between two adjacent height transition layers 1, and the refuge platform 4 is used to place one refuge house 2.
[0057] Further, there are multiple refuge platforms 4. At this time, a certain distance, such as 50 m, is left between two adjacent refuge platforms 4, so that the operating personnel can take refuge nearby.
[0058] As Figure 3 shown, the projection of the refuge house 2 in the vertical direction falls within the projection of the refuge platform 4 in the vertical direction.
[0059] Using the technical solution of this embodiment, by making the vertical projection of the refuge house 2 fall within the vertical projection of the refuge platform 4, an area for the operators to move can be vacated on the refuge platform 4, enabling the operators to enter the refuge house 2 in an orderly manner, preventing multiple operators from gathering on the height transition layer 1 before entering the refuge house 2, thereby avoiding secondary accidents and further enhancing the protection ability of the refuge facilities.
[0060] It should be noted that in this application, the size and structure of the refuge platform 4 are not specifically limited, as long as it can be used for the operators to take refuge or rest temporarily.
[0061] Preferably, the refuge platform 4 is built with bricks, with a length of 2m and a width of 1.63m. Protective components are provided on the exposed side of the rest platform. To ensure the safety of personnel, the height of the platform guardrail is 1.2m, and the second protective component 5 provided on the platform is connected to the first protective component 3.
[0062] Specifically, in this application, the structure of the refuge house 2 is not specifically limited, as long as it can protect the operators entering the house.
[0063] As one of the embodiments, the refuge house 2 includes a steel structure main body 21 and a roof sealing component 22. The interior of the steel structure main body 21 is used to accommodate the operators. The steel structure main body 21 has an opening at least at the top, and the roof sealing component 22 is installed at the top opening of the steel structure main body 21.
[0064] Using the technical solution of this embodiment, by providing a roof sealing component 22 at the top of the steel structure main body 21, the interior of the refuge house 2 is separated from the external environment at the top, avoiding the phenomenon of falling objects from height injuring the operators inside the refuge house 2, and further enhancing the protection ability of the refuge facilities.
[0065] Preferably, the dimensions of the steel structure main body 21 of the refuge house 2 are 1.2m in length, width, and height respectively, and it is processed with I-beams; the roof sealing component 22 is an arc-shaped structure, such as a semi-circular arc, and its radius is 0.5m at this time.
[0066] Furthermore, in this application, a plurality of through openings are provided on the side of the steel structure main body 21; at this time, the refuge house 2 further includes side sealing components 23, and at least one side sealing component 23 is provided. At least one side sealing component 23 is correspondingly installed at at least one through opening; among them, second protective components 5 are correspondingly provided at the other through openings, and the open through openings are close to the moving area, which can ensure that the operators can quickly enter and exit the refuge house 2; at this time, the second protective component 5 includes one or more of a column 31, a cross bar 32, and a baffle 51.
[0067] By adopting the technical solution of this embodiment, a side blocking member 23 is provided at at least one side opening of the steel structure main body 21, and a second protection member 5 is provided at the remaining openings, so as to prevent operators from falling during the movement on the refuge platform 4, further improving the protection ability of the refuge facility.
[0068] Preferably, as Figure 1 and Figure 2 shown, the second protection member 5 includes a column 31, a cross bar 32 and a baffle 51.
[0069] Of course, in other alternatives, the second protection member 5 can also be made of a metal grid member to ensure that it can not only meet the safety protection requirements but also not hinder the normal use of the opening.
[0070] Preferably, the side blocking member 23 is a plate-shaped steel material, and during installation, the side blocking member 23 can be welded to its side opening.
[0071] It should be noted that identification members, such as warning lights and reflective strips, can be installed on the first protection member 3 and the second protection member 5 at a certain interval, and an alarm device, such as an emergency call button, can also be installed to improve the safety and convenience during use.
[0072] Furthermore, the above-mentioned column 31 and cross bar 32 can be telescopic structures to adapt to different required heights; the column 31 and cross bar 32 can also be set as angle adjustment structures to adapt to the use of height transition layers with different inclinations.
[0073] Further, the cross bar 32 can be made of materials that are easy to clean and maintain, such as stainless steel or aluminum alloy.
[0074] It can be explained that in Figure 3 , the double-headed arrows shown in the horizontal direction and the double-headed arrows shown in the vertical direction are the directions for entering and exiting the refuge house 2 at each opening; the single-headed arrow shown in the vertical direction is the direction for entering the cave.
[0075] It can be explained that to improve the practicability of the refuge facility, emergency supplies and emergency equipment are also provided in the refuge house 2 to ensure the safety and needs of operators and help operators quickly escape after the danger is over.
[0076] Specifically, the emergency supplies include one or more of gas masks, medical kits, lifebuoys, life ropes, food, water sources, and light sources.
[0077] By adopting the technical solution of this embodiment, by providing one or more of gas masks, medical kits, lifebuoys, life ropes, food, and water sources in the refuge house 2, material guarantees are provided for operators in case of emergencies such as cave-ins.
[0078] Among them, preferably, the water source is barreled water and the light source is a flashlight.
[0079] Exemplarily, the emergency equipment includes at least a telephone and a placement table, and the telephone is placed on the surface of the placement table.
[0080] By using the technical solution of this embodiment, emergency equipment such as a telephone and a placement table are provided in the refuge house 2. Among them, the telephone is placed on the surface of the placement table, providing communication guarantee for the operating personnel in case of emergencies such as cave-ins.
[0081] Obviously, the above embodiments are only examples given for clear illustration and are not limitations on the embodiments. For those of ordinary skill in the art, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to enumerate all the embodiments here. And the obvious changes or modifications derived therefrom are still within the protection scope of the present invention.
Claims
1. A risk avoidance facility suitable for a large longitudinal slope inclined shaft, arranged in the inclined shaft, characterized in that: include: A height transition layer (1), wherein two or more height transition layers (1) are provided, and the two or more height transition layers (1) are arranged at intervals in the height direction and / or the horizontal direction; Wherein, at least one refuge house (2) is provided between two adjacent height transition layers (1), and the refuge house (2) is used for workers to take shelter.
2. The risk avoidance facility applicable to a large longitudinal slope inclined shaft according to claim 1 is characterized in that: The height transition layer (1) is a hierarchical structure, and any of the height transition layers (1) has two or more horizontal platforms (11) and an inclined or vertically arranged support surface (12) connected between two adjacent horizontal platforms (11).
3. The risk avoidance facility applicable to a large longitudinal slope inclined shaft according to claim 2 is characterized in that: Also includes a first protective member (3); The first protection members (3) are arranged in pairs and are symmetrically arranged at the two side boundaries of the height transition layer (1).
4. The risk avoidance facility applicable to a large longitudinal slope inclined shaft according to claim 3 is characterized in that: The first protective element (3) comprises: A column (31), wherein a plurality of the columns (31) are provided, and the plurality of columns (31) are arranged at intervals along the horizontal direction and / or the vertical direction, and any of the columns (31) is vertically arranged at one side boundary of the height transition layer (1), and the bottom of any of the columns (31) is installed on the horizontal platform (11) through a fixing member; A crossbar (32), wherein the crossbar (32) is horizontally or obliquely arranged between the uprights (31) to form a continuous handrail surface; Wherein, the upright column (31) and the cross bar (32) are fixed via a connecting structure.
5. The risk avoidance facility applicable to a steep longitudinal slope inclined shaft according to any one of claims 1 to 4, characterized in that: At least one refuge platform (4) is provided between two adjacent height transition layers (1), and the refuge platform (4) is used to place one or more refuge houses (2).
6. The risk avoidance facility applicable to a large longitudinal slope inclined shaft according to claim 5, characterized in that: The projection of the shelter (2) in the vertical direction falls within the projection of the shelter platform (4) in the vertical direction.
7. The risk avoidance facility applicable to a steep longitudinal slope inclined shaft according to any one of claims 1 to 4, characterized in that: The safe house (2) comprises: A steel structure main body (21), the interior of the steel structure main body (21) is used to accommodate operating personnel, and the steel structure main body (21) is provided with an opening at least at the top; A roof blocking member (22), wherein the roof blocking member (22) is installed at the top opening of the steel structure body (21).
8. The risk avoidance facility applicable to a large longitudinal slope inclined shaft according to claim 7, characterized in that: The side of the steel structure body (21) is provided with a plurality of openings; The shelter (2) further comprises a side blocking member (23), wherein at least one side blocking member (23) is provided, and the at least one side blocking member (23) is correspondingly installed at at least one opening; Wherein, second protective members (5) are correspondingly arranged at the remaining openings, and the second protective member (5) comprises one or more of a column (31), a cross bar (32), and a baffle (51).
9. The risk avoidance facility applicable to a steep longitudinal slope inclined shaft according to any one of claims 1 to 4, characterized in that: Also included are emergency supplies, which are placed in the shelter (2); The emergency supplies include one or more of a gas mask, a medical kit, a life buoy, a life rope, food, and a water source.
10. The risk avoidance facility applicable to a steep longitudinal slope inclined shaft according to any one of claims 1 to 4, characterized in that: It also includes emergency equipment, which is placed in the shelter (2); The emergency equipment at least comprises a telephone and a placing table, and the telephone is placed on the surface of the placing table.