CN220815204U

CN220815204U - Protective rescue railing at bottom of groove

Info

Publication number: CN220815204U
Application number: CN202322392556.7U
Authority: CN
Inventors: 刘柳; 曹雪红; 苏德财; 吴兴月
Original assignee: China 22MCC Group Corp Ltd
Current assignee: China 22MCC Group Corp Ltd
Priority date: 2023-09-05
Filing date: 2023-09-05
Publication date: 2024-04-19
Anticipated expiration: 2033-09-05

Abstract

The utility model provides a trench bottom protection rescue railing, which comprises a protection frame surface and a base, wherein the protection frame surface comprises a steel skeleton, and a protection net is arranged on the side, close to a side slope, of the steel skeleton; the left end of the cross rod is fixedly sleeved with a sleeve, and a first through hole is formed in the sleeve; the right end of the cross rod is provided with a second through hole; the right end of the cross rod is inserted into the sleeve at the left end of the cross rod, and the first through hole is overlapped with the second through hole and is provided with a pin rod; the bottom of the steel skeleton is fixedly connected with a first connecting piece for connecting the base; the base is provided with a mounting hole, and a mounting Kong Zhongan is provided with a fixing piece connected with the bottom surface of the groove; the middle of the base is fixedly connected with a second connecting piece; the second connecting piece is connected with the first connecting piece. The scheme can be used for tank bottom slope protection, can be used as a rescue ladder, and enables tank bottom staff to rapidly leave a tank bottom dangerous area during an emergency.

Description

Protective rescue railing at bottom of groove

Technical Field

The utility model belongs to the field of groove slope protective fences, and particularly relates to a groove bottom protective rescue railing.

Background

With the sustainable development of the economy in China, underground pipe networks are very popular, underground pipe lines are very various in types, rainwater, sewage, water supply, fuel gas and the like, the burying depths of various pipe lines are different, when the burying depths of the pipe lines for underground pipe line construction by using a grooving construction method are too deep, the safety problem of foundation pits and grooves is related, the safety of people under the grooves and the stability of the slopes are important work, and the traditional slope guard is mainly used for preventing the safety of people and equipment at the tops of the slopes, and neglecting whether the people under the grooves and the foundation pits can safely implement rescue work under the emergency.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model aims to provide a protective fence capable of providing emergency escape ladder for tank bottom staff in emergency.

The technical scheme adopted for solving the technical problems is as follows:

A protective rescue railing at the bottom of a groove comprises a protective frame surface and a base, wherein a plurality of protective frame surfaces are sequentially connected along the length direction of the groove; at least two bases are arranged below each protection frame surface; the base is fixed with the bottom surface of the groove through a fixing piece; the protective frame surface comprises a steel framework, and a protective net is arranged on the side, close to the side slope, of the steel framework; the steel skeleton comprises an upper layer of cross bars and a lower layer of cross bars, and a plurality of upright rods are arranged at equal intervals among the cross bars; in the interval of adjacent cross bars, the vertical rods are staggered; the left end of the cross rod is fixedly sleeved with a sleeve, and a first through hole is formed in the sleeve; the right end of the cross rod is provided with a second through hole; the right end of the cross rod is inserted into the sleeve at the left end of the cross rod, and the first through hole is overlapped with the second through hole and is provided with a pin rod; the bottom of the steel skeleton is fixedly connected with a first connecting piece; a second connecting piece is arranged in the middle of the base; the second connecting piece is connected with the first connecting piece.

Compared with the prior art, the invention adopting the technical scheme has the beneficial effects that:

The protective railing provided by the utility model is used for protecting a tank bottom slope, can prevent side slope rolling stones, can be used as a rescue cat ladder when an event occurs, and can be used as a step for a worker to tread and climb, so that the protective railing can be used transversely or longitudinally, a steel skeleton can be erected to a larger length and paved on a tank side slope, and tank bottom workers can quickly leave a tank bottom dangerous area.

The utility model has the following preferable scheme:

Preferably, the length of the cross bar is the height of the groove side slope or an equal fraction of the height of the groove side slope. According to the scheme, the guardrail can be detached to be used as one or more pieces when used as a rescue ladder, and a cat ladder formed by the guardrail can just reach the top of a side slope.

Preferably, the cross rod and the upright rod are of a double-rod structure. The scheme makes the stepping steps wider, and is anti-skid when being used conveniently.

Furthermore, the cross rod and/or the upright rod at one side close to the slope surface of the groove side slope is also provided with an anchor plug perpendicular to the surface of the protective frame, and the length of the anchor plug is 20 cm-30 cm. According to the scheme, the anchor plug can firmly scrape the soil slope of the groove on the rescue ladder, so that the stability of the rescue ladder is improved.

Preferably, the upper end of the second connecting piece is an external threaded pipe, and the pipe wall of the external threaded pipe is provided with at least two axial cracks; the external threaded pipe is sleeved with a nut; the first connecting piece is a straight steel bar, the straight steel bar is inserted into the external threaded pipe, and the nut and the external threaded pipe are locked. The scheme is convenient to connect and better in stability.

Preferably, the foundation of the bottom surface of the groove is a soil foundation, and the fixing piece is a spigot-and-socket rod; the foundation of the bottom surface of the groove is a rigid foundation, and the fixing piece is an expansion bolt.

Alternatively, the base is a conical box made of steel plates, and the mounting hole is formed in the center of the conical box; the socket rod is arranged in the mounting hole; the second connecting piece is fixedly connected to the upper end of the socket rod. According to the scheme, the spigot-and-socket rod and the second connecting piece are integrated, the deep insertion of the spigot-and-socket rod is implemented at one time to realize the fixation of the base and determine the position of the railing frame, and the installation is convenient.

Alternatively, the base comprises a rectangular bottom plate, and the four corners of the rectangular bottom plate are provided with the mounting holes; the center of the rectangular bottom plate is vertically welded with the second connecting piece, four supporting plates are radially arranged at the lower part of the second connecting piece, and the lower sides of the four supporting plates are welded with the rectangular bottom plate. The base has high structural strength and good stability, and can well support the rail guard bar frame surface.

Preferably, the base is galvanized steel plate, the cross rod and the upright rod are galvanized steel pipes, and the outer surface of the cross rod and the upright rod is encapsulated with a polyethylene reflective film. The galvanized steel sheet and the galvanized steel pipe have good strength, do not rust and resist corrosion; the reflective film can play a role in reflecting light at night, and the railing does not need to be sprayed with paint after the film is pasted, so that the railing is more striking.

Drawings

Fig. 1 is a schematic view of the overall basic structure of the present utility model.

Fig. 2 is a double pole construction diagram of the present utility model.

FIG. 3 is a schematic view of a base according to an embodiment of the present utility model.

Fig. 4 is a schematic structural diagram of a base according to a second embodiment of the present utility model.

Fig. 5 is a side view of the balustrade with anchor insert of the present utility model.

Fig. 6 is a schematic diagram of the connecting structure of two steel skeleton cross bars in the utility model.

Fig. 7 is a schematic view of the protective rail of the present utility model in a rescue ladder condition.

Reference numerals illustrate: 1. a cross bar; 101. a second through hole; 2. a vertical rod; 3. a protective net; 4. a sleeve; 401. a first through hole; 5. a pin rod; 6. a base; 601. a rectangular bottom plate; 602. a support plate; 7. a short section; 8. a first connector; 9. a second connector; 901. cracking; 10. a nut; 11. a socket rod; 12. anchor insertion; 13. and (5) a side slope.

Detailed Description

The utility model will be further illustrated with reference to specific examples, which are to be understood as illustrative only and are not intended to limit the scope of the utility model. Further, it is understood that various changes and modifications may be made by those skilled in the art after reading the teachings of the present utility model, and such equivalents are intended to fall within the scope of the claims appended hereto.

Referring to fig. 1, the utility model provides a protective rescue railing at the bottom of a groove, which comprises a protective frame surface and a base 6, wherein a plurality of protective frame surfaces are sequentially connected along the length direction of the groove; at least two bases 6 are arranged below each protection frame surface; the base 6 is used for fixing the protection frame surface and the bottom surface of the groove; the protective frame surface comprises a steel framework, and a protective net 3 is arranged on the side, close to the side slope 13, of the steel framework; the steel skeleton comprises an upper layer of cross bars 1 and a lower layer of cross bars 1, and a plurality of upright posts 2 are arranged at equal intervals among the cross bars 1; in the interval of adjacent cross bars 1, upright bars 2 are arranged in a staggered way; the left end of the cross rod 1 is fixedly sleeved with a sleeve 4, and a first through hole 401 is formed in the sleeve 4; the right end of the cross rod 1 is provided with a second through hole 101; the right end of the cross rod 1 is inserted into the sleeve 4 at the left end of the cross rod 1, and the first through hole 401 is overlapped with the second through hole 101 and is provided with a pin 5; the bottom of the steel skeleton is fixedly connected with a first connecting piece 8 for connecting the base 6; the base 6 is provided with a mounting hole, and a mounting Kong Zhongan is provided with a fixing piece connected with the bottom surface of the groove; the middle of the base 6 is fixedly connected with a second connecting piece 9; the second connector 9 is connected to the first connector 8.

The utility model utilizes a plurality of split steel frame bodies for combined installation, and the cross rod 1, the upright rod 2, the base 6, the protective net 3 and various auxiliary parts for connection and fixation are produced in a complete set in a processing plant, and only the steel frame is connected and installed and the nuts 10 are fixed on site. The utility model focuses on the safety of groove bottom construction, and particularly when the emergency situation of groove construction needs to be evacuated rapidly, the utility model can be converted into a rescue escape tool. The protection net 3 can effectively intercept stones and workpieces when the protection net is used for protecting rolling objects on side slopes 13 on two sides during normal construction, and an escape ladder can be obtained only by disassembling the steel skeleton and the base 6 when emergency occurs. The steel skeleton has larger vertical height, and is paved on the side slope 13, so that staff can climb to the top of the side slope. Alternatively, the length of the cross bar 1 is the height of the groove side slope 13, or an equal fraction of the height of the groove side slope 13, one or more pieces of the guardrail can be detached for use when the guardrail is used as a rescue ladder, and a crawling ladder formed by the guardrail can just reach the top of the side slope 13. The steel skeleton can be used for climbing by people transversely or longitudinally, and can be used transversely when used as a rescue ladder, but more steel skeletons are needed to be overlapped along a slope.

As an example, the size of the cross bar 1 is 225cm, the base 6 is 30cm×30cm, the height of the ladder stand 2 is 30cm, the support is 40cm×40cm, and the diameter of all the bars is 5cm.

As an option, horizontal pole 1, pole setting 2 are dual pole structure, and dual pole not only can strengthen steel skeleton (rescue ladder) intensity, also can increase the width of step of rescue ladder, tramples when facilitating the use, antiskid. Referring to fig. 2, the two rods are supported and fixed by a short section 7.

Referring to fig. 5 and 7, the cross bar 1 and/or the upright 2 at one side close to the slope of the groove slope 13 is also provided with an anchor insert 12 perpendicular to the surface of the protection frame; the length of the anchor insert 12 is 20 cm-30 cm. When the anchor inserts 12 are used for protecting the side slopes 13, the anchor inserts can be transversely inserted into the side slopes 13, so that the stability of the protective railing is improved; when the railing is used for a rescue tool, the anchor inserts 12 can enable the rescue ladder to firmly scrape the soil slope of the groove, so that the stability of the rescue ladder is improved.

The base 6 selects a fixing mode according to the field requirement, each node is installed, the nodes are connected through socket and nut 10, the foundation of the bottom surface of the groove is a flexible soil foundation, and the fixing piece is a socket rod 11; the foundation of the bottom surface of the groove is a rigid foundation, and the fixing piece is an expansion bolt. The connection of one protecting frame surface is completed, and the rear protecting frame surface is connected with the front protecting frame surface. The base 6 and the steel skeleton adopt a connecting structure which is easy to assemble and easy to disassemble.

As an option, referring to fig. 3 and 4, the upper end of the second connecting piece 9 is an external threaded pipe, and at least two axial cracks 901 are formed on the pipe wall of the external threaded pipe; the external threaded pipe is sleeved with a nut 10; the first connecting piece 8 is a straight steel bar, the straight steel bar is inserted into the external threaded pipe, and the nut 10 is locked with the external threaded pipe, so that the structure is convenient to connect, and the node stability is better.

In the first embodiment, referring to fig. 4, the base 6 is a conical box made of steel plate, and the mounting hole is arranged in the center of the conical box; the socket rod 11 is arranged in the mounting hole; the second connecting piece 9 is fixedly connected to the upper end of the socket rod 11. In this scheme socket rod 11 is used for the ground of railing to be fixed, and base 6 is used for the straightness that hangs down of steady rest socket rod 11, and this embodiment is with socket rod 11 and second connecting piece 9 integration, once implements dark socket rod 11 and realizes that base 6 is fixed and has confirmed the position of railing frame, simple to operate.

In the second embodiment, referring to fig. 3, the base 6 includes a rectangular bottom plate 601, and the through holes are disposed at four corners of the bottom plate; the center of the rectangular bottom plate 601 is vertically welded with the second connecting piece 9, four supporting plates 602 are radially arranged at the lower part of the second connecting piece 9, and the lower sides of the four supporting plates 602 are welded with the rectangular bottom plate 601. The base 6 has high structural strength and good stability, and can well support the rail guard bar frame surface.

The nuts 10 at the joints of the used protective rail are removed, collected and stored in a classified manner, and are ready for the next use. The guard rail of the utility model has the following characteristics:

The main material and the accessories used in the scheme are galvanized materials. The main material is a galvanized steel pipe, a galvanized steel plate and a high-strength polyvinyl chloride raw material reflective film, the surface of the guardrail is smooth and has good toughness, and the strength can meet the use requirement. Compared with a metal paint guardrail: 1) The galvanized steel pipe is provided with a galvanized layer and is coated with polyethylene, the galvanized steel pipe has good strength, does not rust or corrode, does not need painting, can play a role in reflecting light at night, and has high recycling rate; 2) The surface is smooth, and the touch and collision are not easy to be injured.

The steel skeleton step adopts the inverted V-shaped layout, so that the appearance quality of the material is ensured, and the steel skeleton step has the characteristics of simple style and striking brightness.

The foundation pit rescue function is achieved, the railing structure is a double-layer rod piece, novel components are integrally assembled, and the novel foundation pit rescue structure has good safety performance, is more stable than a traditional structure, is stronger in impact resistance and is not easy to deform; can be recycled for multiple times, and has good durability.

The utility model has the beneficial effects that: the utility model aims to timely rescue pit bottom personnel in emergency, the protective railing is used for slope protection of a groove bottom, slope rolling stones can be prevented, the guardrail can be used as a rescue crawling ladder in the event of protrusion, and the transverse rods and the vertical rods of the protective frame surface can be used as rescue crawling ladder steps for staffs to step on and climb, so that the protective frame can be used transversely or longitudinally, a steel skeleton can be erected to a larger length and laid on the slope of the groove, so that the staff at the groove bottom can rapidly leave a dangerous area at the groove bottom, loss after the accident is reduced, and lives and properties of people are protected.

Claims

1. A protective rescue railing at the bottom of a groove comprises a protective frame surface and a base (6), wherein a plurality of protective frame surfaces are sequentially connected along the length direction of the groove; at least two bases (6) are arranged below each protection frame surface; the base (6) is fixed with the bottom surface of the groove through a fixing piece; the method is characterized in that:

The protective frame surface comprises a steel framework, and a protective net (3) is arranged on the side, close to the side slope, of the steel framework; the steel skeleton comprises an upper multi-layer cross rod (1) and a lower multi-layer cross rod (1), and a plurality of upright rods (2) are arranged at equal intervals between the cross rods (1); in the interval of adjacent cross bars (1), upright bars (2) are arranged in a staggered way; the left end of the cross rod (1) is fixedly sleeved with a sleeve (4), and a first through hole (401) is formed in the sleeve (4); the right end of the cross rod (1) is provided with a second through hole (101); the right end of the cross rod (1) is inserted into a sleeve (4) at the left end of the cross rod (1), and the first through hole (401) is overlapped with the second through hole (101) and is provided with a pin rod (5); the bottom of the steel skeleton is fixedly connected with a first connecting piece (8);

A second connecting piece (9) is arranged in the middle of the base (6); the second connecting piece (9) is connected with the first connecting piece (8).

2. The trench bottom protective rescue rail of claim 1, wherein: the length of the cross bar (1) is equal to the height of the groove slope (13) or equal fraction of the height of the groove slope (13).

3. The trench bottom protective rescue rail of claim 1, wherein: the cross rod (1) and the upright rod (2) are of a double-rod structure.

4. The trench bottom protective rescue rail of claim 1, wherein: the transverse rod (1) and/or the upright rod (2) on one side close to the slope surface of the groove slope (13) are also provided with an anchor insert (12) perpendicular to the surface of the protective frame, and the length of the anchor insert (12) is 20 cm-30 cm.

5. The trench bottom protective rescue rail of claim 1, wherein: the upper end of the second connecting piece (9) is provided with an external threaded pipe, and the pipe wall of the external threaded pipe is provided with at least two axial cracks (901); the external thread pipe is sleeved with a nut (10); the first connecting piece (8) is a straight steel bar which is inserted into the external threaded pipe and is locked with the external threaded pipe through the nut (10).

6. The trench bottom protective rescue rail of claim 5, wherein: the foundation of the bottom surface of the groove is a soil foundation, and the fixing piece is a spigot-and-socket rod (11); the foundation of the bottom surface of the groove is a rigid foundation, and the fixing piece is an expansion bolt.

7. The trench bottom protective rescue rail of claim 6, wherein: the base (6) is a conical box made of steel plates, and a mounting hole is formed in the center of the conical box; the socket rod (11) is arranged in the mounting hole; the second connecting piece (9) is fixedly connected with the upper end of the spigot-and-socket rod (11).

8. The trench bottom protective rescue rail of claim 6, wherein: the base (6) comprises a rectangular bottom plate (601), mounting holes are formed in four corners of the rectangular bottom plate (601), and foundation bolts are mounted in the mounting holes; the center of the rectangular bottom plate (601) is vertically welded with the second connecting piece (9), four supporting plates (602) are radially arranged at the lower part of the second connecting piece (9), and the lower sides of the four supporting plates (602) are welded with the rectangular bottom plate (601).

9. The trench bottom protective rescue rail of claim 1, wherein: the base (6) is a galvanized steel plate, the cross rod (1) and the upright rod (2) are galvanized steel pipes, and the outer surfaces of the cross rod and the upright rod are encapsulated with a polyethylene reflective film.