CN114150994A

CN114150994A - Escape equipment of comprehensive pipe gallery

Info

Publication number: CN114150994A
Application number: CN202111216856.9A
Authority: CN
Inventors: 苏宇; 赵生成; 刘勇; 郭宏; 王绍斌; 杨苏燕; 张蓉; 褚伟鹏; 史文彪; 许光义
Original assignee: BEIJING INSTITUTE OF WATER
Current assignee: BEIJING INSTITUTE OF WATER
Priority date: 2021-10-19
Filing date: 2021-10-19
Publication date: 2022-03-08
Anticipated expiration: 2041-10-19
Also published as: CN114150994B

Abstract

The invention relates to the field of comprehensive pipe galleries and discloses escape equipment of a comprehensive pipe gallery. This escape apparatus includes a plurality of mouths of fleing, is connected with the vertical ladder on being in the mouth of fleing of tunnel body limit portion, and the free end of vertical ladder supports in the bottom of tunnel body, is equipped with flexible cat ladder on the mouth of fleing at middle part, and under the normality, flexible cat ladder withdraws to rather than in right the mouth of fleing, and under the state of fleing, flexible cat ladder stretches out, and the end that stretches out of flexible cat ladder supports in the bottom of tunnel body. The escape equipment comprises the straight ladder and the telescopic ladder, wherein the vehicle cannot walk on the edge of the tunnel body, so that the arrangement mode of the straight ladder can meet the operation requirement of the vehicle, the straight ladder is convenient to use, the escape speed is increased, the telescopic ladder in the middle retracts in a normal state, the normal walking of the operation and maintenance vehicle, the overhaul vehicle and other equipment and materials can be ensured, and the telescopic ladder can be put down in the escape process, so that the escape route is increased, and the safety of workers is ensured.

Description

Escape equipment of comprehensive pipe gallery

Technical Field

The invention relates to the field of comprehensive pipe galleries, in particular to escape equipment of a comprehensive pipe gallery.

Background

The utility tunnel is an important component of municipal infrastructure and is a passage for important pipelines such as city water supply, power supply, heat supply, gas, communication, drainage and the like. The utility tunnel is underground engineering, and each function all should satisfy building operation standard requirement, including functions such as ventilation, fire control, power supply, maintenance. The comprehensive pipe gallery is provided with an escape opening for the maintainers to escape to the ground or an escape well from the inside of the comprehensive pipe gallery when accidents such as fire happen. At present, set up the cat ladder in utility tunnel usually, the one end of cat ladder is supported on the support, and the other end supports at the mouth of fleing, and the maintainer escapes through the mode of climbing. But because the fortune dimension demand, need set up small-size vehicle fortune and maintenance vehicle in the utility tunnel, the setting mode of traditional cat ladder influences fortune dimension vehicle to and the current normal walking such as maintenance vehicle, equipment and material.

Disclosure of Invention

In order to solve the above technical problem or at least partially solve the above technical problem, the present invention provides an escape apparatus for a utility tunnel.

The invention provides escape equipment of a comprehensive pipe gallery, which comprises a plurality of escape openings arranged on a tunnel body of the comprehensive pipe gallery, wherein the escape openings at the edge part of the tunnel body are connected with a straight ladder, the free end of the straight ladder is supported at the bottom of the tunnel body, a telescopic ladder stand is arranged on the escape opening at the middle part, the telescopic ladder stand is retracted into the escape opening opposite to the straight ladder stand in a normal state, the telescopic ladder stand extends out in an escape state, and the extending end of the telescopic ladder stand is supported at the bottom of the tunnel body.

Preferably, the bottom of the escape opening provided with the telescopic ladder stand is provided with a reinforcing beam, and the end part of the telescopic ladder stand retracts into the reinforcing beam in a normal state.

Preferably, the inside of the tunnel body is provided with a workbench, and the end of the vertical ladder is supported on the workbench.

Preferably, the periphery of the workbench is provided with a fence.

Preferably, the bottom of workstation is equipped with the landing leg, and the landing leg supports in the bottom of tunnel body, is connected with the cat ladder that is used for the staff to climb on the workstation, and the one end and the workstation of cat ladder are connected, and the other end supports in the bottom of tunnel body.

Preferably, one end of the vertical ladder connected with the bottom of the tunnel body is provided with a support plate.

Preferably, the escape opening is sealed by an escape cover plate, and a fireproof plate is arranged on the outer side of the escape cover plate.

Preferably, the articulated loading board that is equipped with the mouth of fleing of flexible cat ladder, flexible cat ladder includes the telescopic link that two intervals set up, the telescopic link reduces along the direction diameter of keeping away from the mouth of fleing gradually, the telescopic link includes a plurality of sleeves, cup joint the connection between two adjacent sleeves, be connected with the cat ladder body between two corresponding sleeves, be close to two at least cat ladder bodies and the loading board fixed connection that the mouth of fleing set up, it is equipped with the counter weight on the sleeve pipe of the mouth of fleing to keep away from.

Preferably, be equipped with the bracing piece between loading board and the mouth of fleing, the bracing piece is including the inner tube and the outer tube that cup joint, and the tip of outer tube is articulated with the mouth of fleing, and the tip of inner tube is articulated with the loading board to the configuration is:

under the state of escaping, the supporting rod is unfolded, so that the bearing plate is obliquely arranged.

Preferably, the inside of tunnel body is equipped with horizontal partition along the horizontal direction, and horizontal partition divides the tunnel body into upper cabin body and lower cabin body, and a plurality of mouths of fleing all set up on horizontal partition.

Compared with the prior art, the technical scheme provided by the embodiment of the invention has the following advantages:

the escape equipment comprises the straight ladder arranged on the edge of the tunnel body and the telescopic ladder arranged in the middle of the tunnel body, wherein the vehicle cannot walk on the edge of the tunnel body, so that the arrangement mode of the straight ladder can meet the operation requirement of the vehicle, the straight ladder is convenient to use, and the escape speed is increased.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the invention and together with the description, serve to explain the principles of the invention.

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive exercise.

Fig. 1 is a schematic view of the arrangement mode of escape equipment of a comprehensive pipe rack according to the embodiment of the invention;

fig. 2 is a schematic view of the utility tunnel according to the embodiment of the present invention when a working platform is installed therein.

Description of the reference numerals

1. A tunnel body; 2. an escape opening; 3. a straight ladder; 31. a support plate; 4. a telescopic ladder stand; 5. reinforcing the beam; 6. a work table; 61. a fence; 62. a support leg; 7. climbing a ladder; 8. an escape cover plate; 9. a horizontal partition plate; 91. a vertical partition.

Detailed Description

In order that the above objects, features and advantages of the present invention may be more clearly understood, a solution of the present invention will be further described below. It should be noted that the embodiments of the present invention and features of the embodiments may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways than those described herein; it is to be understood that the embodiments described in the specification are only a part of the embodiments of the present invention, and not all of them.

Referring to fig. 1 and 2, the escape apparatus of the utility tunnel according to the embodiment of the present invention includes a plurality of escape openings 2 disposed on a tunnel body 1 of the utility tunnel, wherein the escape openings 2 may be disposed on the tunnel body 1 or disposed on an internal component of the tunnel body 1. When the escape opening 2 is arranged on the tunnel body 1, the maintainer can escape to the ground or an escape well from the inside of the comprehensive pipe gallery. When the escape opening 2 is provided on the inner part of the tunnel body 1, a service person can escape from one of the working areas to the other working area, and also escape to an escape well or the like.

Be connected with vertical ladder 3 on the mouth of fleing 2 that is in tunnel body 1 limit portion, the limit portion of tunnel body 1 of this department indicates the limit portion of the radial direction that is close to tunnel body 1, and along tunnel body 1's length direction, should be equipped with a plurality of mouths of fleing 2, the free end of vertical ladder 3 supports in tunnel body 1's bottom, further optimize ground, the one end of vertical ladder 3 being connected with tunnel body 1's bottom is equipped with backup pad 31, increase support strength, and vertical ladder 3 is certain angle with vertical plane, increase the convenience of climbing. Be equipped with flexible cat ladder 4 on the mouth of fleing 2 at the middle part, under the normality, flexible cat ladder 4 retracts to rather than the right mouth of fleing 2 in, under the state of fleing, flexible cat ladder 4 stretches out, and the end that stretches out of flexible cat ladder 4 supports in the bottom of tunnel body 1.

In some preferred embodiments, the profile of the utility tunnel of the present invention is in the form of a single-hole circle or a single-hole city gate. And the inside of tunnel body 1 is equipped with horizontal partition plate 9 along the horizontal direction, and horizontal partition plate 9 divides tunnel body 1 into the upper cabin body and the lower cabin body, and a plurality of mouths of fleing 2 all set up on horizontal partition plate 9. And the inside interval of the upper cabin body is equipped with two vertical baffles 91, divide the upper cabin body into three independent cabin bodies. Specifically, the three cabin bodies on the upper layer are respectively a telecommunication cabin and two electric cabins, the lower cabin body is a water cabin, namely, escape openings 2 are arranged at the positions of the horizontal partition plates 9 corresponding to the telecommunication cabin and the two electric cabins, so that workers in the telecommunication cabin and the two electric cabins can escape into the water cabin, and the workers in the water cabin can escape into the telecommunication cabin or the electric cabins. The telecommunication cabin and the electric cabin are easy to cause accidents, so the escape opening 2, the vertical ladder 3 and the telescopic ladder 4 are convenient to climb from top to bottom. The comprehensive pipe gallery is difficult to arrange branch outlets along the line, the distance between branch outlet nodes is about 1km on average, and the maximum distance is about 2km, so that the water tank reserves the transportation passing condition of small vehicles and can be used as a comprehensive tank with the functions of electric power and telecommunication tank construction, overhaul, escape, ventilation, drainage, inspection and the like.

According to the standard cross section, three cabins on the upper layer, wherein the vertical ladder 3 can be arranged on two cabins on the edge part, and the influence on the water cabin function of the comprehensive pipe rack is small. If the vertical ladder 3 is arranged in the middle cabin, the comprehensive functions of the water cabin are greatly influenced, for example, the passing function of small vehicles is greatly influenced, and further the daily inspection, overhaul and the like of the water cabin are influenced, so that the telescopic ladder 4 is arranged in the middle cabin, the influence can be effectively avoided, and the operation and maintenance safety is facilitated.

The escape opening 2 of the present application should be designed in a manner to meet the following requirements:

(1) the escape opening 2 can be arranged by combining functions of hoisting, overhauling, personnel entering and exiting and the like, and the minimum size of the plane section of the escape opening 2 and the plane position in the cabin of the comprehensive pipe rack are determined according to the functions.

(2) According to the height of the upper layer and the lower layer of the escape opening 2, the functional requirements of the escape opening 2 and the like, the load standard, the gradient of the vertical ladder 3 and the gradient of the expanded telescopic ladder 4 are determined.

(3) The 2 structures of the escape opening need satisfy the requirements of installing the telescopic ladder stand 4 except that other requirements of the comprehensive pipe gallery need be satisfied, and if the requirements of length, width and height of the opening size of the telescopic ladder stand 4, the requirements of the 4 bolt connection structure of the telescopic ladder stand, the requirements of the opening, the distance between the periphery of the opening and the upper wall body and other parameter requirements are satisfied.

(4) The increase of 2 structural thickness of mouthful of fleing, specifically, the bottom of the mouth of fleing 2 that is equipped with flexible cat ladder 4 is equipped with reinforcing beam 5, and under the normality, the tip of flexible cat ladder 4 retracts into reinforcing beam 5's inside, guarantees flexible cat ladder 4 shrink back, and the top of flexible cat ladder 4 is no longer than the upper pipe gallery bottom surface of the mouth of fleing 2 or the well bottom surface of fleing, and the reinforcing beam 5 is not stretched out to the bottom of flexible cat ladder 4.

(5) When different cabins of utility tunnel, or the well of fleing had fire prevention demand or traffic demand, can increase PLASTIC LAMINATED and apron in the 2 top layers of the mouth of fleing of this application and seal, further perfect the function and the result of use of the 2 affiliated buildings of the mouth of fleing of this application. Specifically, the escape opening 2 is sealed by an escape cover plate 8, and a fireproof plate is arranged on the outer side of the escape cover plate 8. More specifically, a cover plate seal is provided on top of the horizontal partition 9 and a fire prevention plate is provided on top of the seal cover plate.

The escape equipment comprises the straight ladder 3 arranged at the edge of the tunnel body 1 and the telescopic ladder 4 arranged in the middle of the tunnel body 1, wherein vehicles cannot walk at the edge of the tunnel body 1, so the arrangement mode of the straight ladder 3 can meet the operation requirements of the vehicles, the straight ladder 3 is convenient to use, the escape speed is increased, and in addition, the telescopic ladder 4 in the middle retracts in a normal state, so the normal walking of running and maintaining vehicles, maintenance vehicles, other equipment, materials and the like can be ensured, and in the escape process, the telescopic ladder 4 can be put down, so the escape route is increased, and the safety of workers is ensured. The design mode is particularly suitable for the comprehensive pipe gallery with a small section and difficult ladder arrangement of an escape opening leading to a ground escape well, or the cabin is a double-layer or multi-layer comprehensive pipe gallery.

As shown in fig. 2, the inside of tunnel body 1 is equipped with workstation 6, and the staff can carry out corresponding operation on workstation 6, and workstation 6 has certain area, can supply a plurality of staff to stand, and the tip of vertical ladder 3 supports on workstation 6, and the staff accessible vertical ladder 3 that is in the upper cabin body promptly climbs to workstation 6 on, and then realizes the purpose of taking off danger fast. Further optimally, in order to avoid the falling of the workers from the workbench 6, the fence 61 can be arranged on the periphery of the workbench 6, so that the safety of the workers is ensured. Further optimally, the bottom of the working platform 6 is provided with the supporting legs 62, the supporting legs 62 are supported at the bottom of the tunnel body 1, the working platform 6 is connected with the ladder stand 7 used for the worker to climb, one end of the ladder stand 7 is connected with the working platform 6, and the other end of the ladder stand is supported at the bottom of the tunnel body 1. The height of the legs 62 can be selected according to the actual requirements, wherein the worktable 6 is close to the horizontal clapboard 9 as much as possible, so that the danger escaping speed of workers is increased. The crawling ladder 7 can be used for workers to climb on the workbench 6 or climb down from the workbench 6.

In some embodiments, the articulated loading board that is equipped with the mouth of fleing 2 of flexible cat ladder 4, specifically, the tip of loading board is articulated with the bottom of the mouth of fleing 2, make the loading board rotate around its articulated department with the bottom of the mouth of fleing 2, and then open or closed, the loading board is kept away from between the one end of articulated shaft and the bottom of the mouth of fleing 2 and is connected through the latch fitting, wherein, the latch fitting can be electronic lock also for manual lock, preferentially, the latch fitting is electronic lock, its opening of accessible remote control, and then increase the expansion speed of flexible cat ladder 4, ensure that the staff flees smoothly. The electronic lock is a common electronic lock in the prior art, and only needs to be locked under the action of an external force and can be unlocked under the action of a switch button.

Flexible cat ladder 4 includes the telescopic link that two intervals set up, and the telescopic link reduces along the direction diameter of keeping away from escape orifice 2 gradually, and the telescopic link includes a plurality of sleeves, cup joints the connection between two adjacent sleeves for the structure of similar fishing rod is constituteed to the telescopic link, and every section sleeve pipe can stretch out under dead weight or exogenic action promptly, and then realizes the expansion of telescopic link, and can retract under the effect of external force, and then realize the retraction of telescopic link. Be connected with the cat ladder body between two corresponding sleeves, the cat ladder body can supply the staff to trample, increases the climbing speed. At least two cat ladder bodies and loading board fixed connection that are close to the mouth of fleing 2 and set up for the length direction of the flexible cat ladder 4 of expansion mouth is the same with the length direction of loading board, avoids flexible cat ladder 4 to rock for the loading board, and then increases stability.

Keep away from to be equipped with the counter weight on the sleeve pipe of mouthful 2 of fleing, set up the counter weight in the sleeve pipe department of below, multiplicable sheathed tube extension rate, and then increase the expansion speed of flexible cat ladder 4, realize the quick expansion of flexible cat ladder 4, the staff of being convenient for flees. Further optimally, be equipped with the bracing piece between loading board and the mouth of fleing 2, the bracing piece is including the inner tube and the outer tube that cup joint, the tip of outer tube is articulated with the mouth of fleing 2, the tip of inner tube is articulated with the loading board, and under the state of fleing, the bracing piece expandes, so that the loading board slope sets up, the loading board after expandes promptly provides traction force through the bracing piece, make it be in the expansion position of settlement, and the angle of the loading board after opening can be set for according to actual demand, make its staff's climbing of being convenient for, increase the speed of fleing.

In other embodiments, the retractable ladder stand 4 of the present application may also be an electronic retractable ladder stand 4 which is relatively common in the market, and the retractable ladder stand 4 may realize automatic unfolding and folding functions, but the unfolding speed is relatively slow.

It is noted that, in this document, relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

The foregoing are merely exemplary embodiments of the present invention, which enable those skilled in the art to understand or practice the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The utility model provides an equipment of fleing of utility tunnel, its characterized in that, equipment of fleing is including setting up a plurality of mouths of fleing (2) on the tunnel body (1) of utility tunnel are in tunnel body (1) limit portion be connected with vertical ladder (3) on the mouth of fleing (2), the free end of vertical ladder (3) is supported the bottom of tunnel body (1), is in the middle part be equipped with flexible cat ladder (4) on the mouth of fleing (2), under the normality, flexible cat ladder (4) retract rather than right in the mouth of fleing (2), under the state of fleing, flexible cat ladder (4) stretch out, just the end that stretches out of flexible cat ladder (4) supports the bottom of tunnel body (1).

2. Escape equipment for a utility tunnel according to claim 1, characterized in that the bottom of the escape opening (2) where the telescopic ladder (4) is located is provided with a reinforcement beam (5), and in a normal state the end of the telescopic ladder (4) is retracted inside the reinforcement beam (5).

3. Escape equipment for utility tunnels according to claim 1, characterized in that the inside of the tunnel body (1) is provided with a working table (6), the end of the vertical ladder (3) being supported on the working table (6).

4. Escape device for a utility tunnel according to claim 3, characterized in that the periphery of the working platform (6) is provided with a fence (61).

5. The escape device of a utility tunnel according to claim 3, characterized in that the bottom of the working platform (6) is provided with legs (62), the legs (62) are supported at the bottom of the tunnel body (1), the working platform (6) is connected with a ladder (7) for the worker to climb, one end of the ladder (7) is connected with the working platform (6), and the other end is supported at the bottom of the tunnel body (1).

6. Escape equipment for a utility tunnel according to claim 1, characterized in that the end of the vertical ladder (3) connected to the bottom of the tunnel body (1) is provided with a support plate (31).

7. The escape apparatus of utility tunnel according to claim 1, characterized in that the escape opening (2) is sealed by an escape cover plate (8), and a fire-proof plate is provided on the outer side of the escape cover plate (8).

8. The escape equipment of the comprehensive pipe rack as claimed in claim 1, wherein the bottom of the escape opening (2) provided with the telescopic ladder (4) is hinged with a bearing plate, the telescopic ladder (4) comprises two telescopic rods arranged at intervals, the diameters of the telescopic rods are gradually reduced along the direction far away from the escape opening (2), the telescopic rods comprise a plurality of sleeves, two adjacent sleeves are connected in a sleeved mode, a ladder (7) body is connected between the two corresponding sleeves, at least two ladder (7) bodies arranged close to the escape opening (2) are fixedly connected with the bearing plate, and counter weights are arranged on the sleeves far away from the escape opening (2).

9. The escape apparatus of utility tunnel according to claim 8, wherein a support bar is provided between the loading plate and the escape opening (2), the support bar comprises an inner tube and an outer tube which are sleeved, the end of the outer tube is hinged with the escape opening (2), the end of the inner tube is hinged with the loading plate and is configured as follows:

10. The escape apparatus for utility tunnel according to any one of claims 1 to 9, wherein the tunnel body (1) is provided with a horizontal partition (9) in the horizontal direction, the horizontal partition (9) divides the tunnel body (1) into an upper cabin body and a lower cabin body, and the plurality of escape openings (2) are provided on the horizontal partition (9).