Crawler crane with safety protective fence for construction site construction

Abstract

The utility model relates to the technical field of urban rail transit construction, and particularly discloses a crawler crane with a safety protective fence for construction site construction, which comprises a mobile vehicle body and a rotating seat arranged at the upper end of the mobile vehicle body, a cab and a lifting device are arranged at the upper end of the rotating seat, and a cabin door is arranged on one side of the cab far away from the lifting device. A shed cover structure and an aisle plate are further arranged on the side, away from the lifting device, of the cab, the aisle plate is arranged below the shed cover structure, the shed cover structure is fixedly connected to the upper end of the aisle plate, the aisle plate is fixedly connected with the rotating base, and a guardrail structure is arranged on the side, away from the rotating base, of the aisle plate. When a worker goes up and down the crawler crane, the worker can walk along the aisle plate and the crawling ladder structure, in the walking process, the guardrail structure can prevent the worker from falling off when the worker climbs a crawler belt, and the shed cover structure at the upper end of the cab can block objects falling accidentally on the upper portion, so that the worker is protected from being hurt.

Description

Technical Field

[0001] The utility model relates to the technical field of urban rail transit construction, in particular to a crawler crane with a safety guardrail for construction site use. Background Art

[0002] Crawler crane is the full name of crawler crane, which is a full-revolving jib crane equipped with crawler walking device. Due to the crawler chassis, it has a large ground contact area and dispersed ground pressure. It can operate stably on muddy, soft or uneven ground. It is particularly suitable for working in construction sites, fields or other complex terrain environments. The boom with a crane can rotate 360 ​​degrees, and the long boom provides a wide working range. It can complete complex lifting tasks in a limited space. It is one of the indispensable heavy machinery equipment for subway construction.

[0003] Common crawler cranes mainly include crawler chassis, slewing mechanism, lifting mechanism, cab, power unit, boom and turntable, etc. The turntable is installed on the chassis through a slewing bearing, and the upper structure can rotate relative to the lower chassis. There is a switch door on the outside of the cab. To facilitate the staff to get on and off the vehicle, there is also an aisle on one side of the cab for people to get on and off the vehicle. The aisle is equipped with guardrails to prevent falling. However, due to the corridor on one side of the vehicle body for staff to walk, the entire platform is exposed. If there is no time to avoid falling objects during work, the falling objects can easily fall on the staff, posing a safety hazard. Utility Model Content

[0004] In view of the above problems, the utility model proposes a crawler crane for construction sites with a safety guardrail, which is used to solve the problem that there is no safe passage between the upper and lower cabs of the existing crawler cranes. At the same time, a protective cover is additionally provided to prevent accidental falling objects from high altitudes, thereby improving the safety protection capability of the crawler crane operators and enhancing the inherent safety level of the mechanical equipment by improving the safety devices.

[0005] To achieve the purpose of the utility model, the utility model is implemented through the following technical solutions: a crawler crane with a safety guardrail for construction site, comprising a mobile body and a swivel seat arranged at the upper end of the mobile body, a driver's cabin and a hoist are arranged at the upper end of the swivel seat, a door is arranged on the side of the driver's cabin away from the hoist, and a cantilever and a hook are arranged on the hoist;

[0006] A canopy structure and an aisle plate are also provided on the side of the cockpit away from the hoist. The aisle plate is placed under the canopy structure. The canopy structure is fixedly connected to the upper end of the aisle plate. The aisle plate is fixedly connected to the swivel seat.

[0007] A guardrail structure is provided on one side of the aisle plate away from the swivel seat, and the guardrail structure is fixedly connected to the aisle plate.

[0008] A further improvement is that a ladder structure is provided at one end of the aisle board away from the cabin door, and the ladder structure is fixedly connected to the aisle board.

[0009] A further improvement is that the mobile vehicle body comprises a vehicle body, a cab is rotatably connected to the upper end of the vehicle body, tracks are arranged on both sides of the vehicle body, and the vehicle body and the tracks are staggered with the ladder structure.

[0010] A further improvement is that the canopy structure includes a cover plate and a plurality of first support rods, each of which is fixedly connected to the upper edge of the cockpit, the cover plate is placed above the aisle plate and the guardrail structure, and the cover plate is fixedly connected to the upper end of each of the first support rods.

[0011] A further improvement is that the guardrail structure includes a second support rod and a first baffle, the lower end of the second support rod is fixedly connected to a side of the aisle plate away from the swivel seat, and the upper end of the second support rod is fixedly connected to the first baffle.

[0012] A further improvement is that the ladder structure includes a ladder frame, which is fixedly connected to the end of the aisle board away from the cabin door, and the end of the ladder frame away from the aisle board is inclined toward the ground. The ladder frame is provided with a plurality of pedals, which are fixedly connected to the ladder frame.

[0013] A further improvement is that: a plurality of third support rods are provided on both sides of the ladder frame, the lower ends of the third support rods are fixedly connected to the ladder frame, the upper ends of the third support rods are provided with second baffles, and the second baffles are fixedly connected to the third support rods.

[0014] A further improvement is that a plurality of reinforcing ribs are provided at the connection between the aisle plate and the swivel seat, the reinforcing ribs are fixedly connected to the lower end surface of the aisle plate, and the reinforcing ribs are fixedly connected to the swivel seat.

[0015] The beneficial effects of the utility model are:

[0016] When getting on and off the crawler crane, workers can walk along the aisle board and the ladder structure. During the walking process, the guardrail structure can prevent workers from falling when climbing the crawler tracks. The canopy structure above the cockpit will block accidental falling objects from above and protect the workers from injury. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0018] Figure 1 It is a structural diagram of the cockpit in the utility model.

[0019] Figure 2It is a structural diagram of the aisle plate in the utility model.

[0020] Figure 3 It is a structural diagram of a ladder frame in the utility model.

[0021] Among them: 1. Vehicle body; 2. Tracks; 3. Swivel; 4. Cockpit; 5. Door; 6. Hoist; 7. Cantilever; 8. Hook; 9. Cover plate; 10. First support rod; 11. Aisle plate; 12. Reinforcement ribs; 13. Second support rod; 14. First baffle; 15. Ladder frame; 16. Third support rod; 17. Second baffle; 18. Pedal. DETAILED DESCRIPTION

[0022] In order to make the purpose, technical solution and advantages of the embodiments of the present application clearer, the technical solution in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of this application.

[0023] according to Figure 1 , 2 As shown in Figure 3, in this embodiment, a crawler crane with a safety guardrail for construction site is proposed, including a mobile body and a swivel seat 3 arranged at the upper end of the mobile body, a cab 4 and a hoist 6 are arranged at the upper end of the swivel seat 3, a door 5 is arranged on the side of the cab 4 away from the hoist 6, and a cantilever 7 and a hook 8 are arranged on the hoist 6; the swivel seat 3 is rotatably connected to the upper end of the mobile body, and the turntable structure between the mobile body and the swivel seat 3 can support the cab 4 and the hoist 6 to rotate and adjust the direction of the cantilever 7, and the turntable structure between the cantilever 7 and the hoist 6 can support the cantilever 7 to lift and adjust the angle, so that heavy objects can be flexibly placed at any desired angle or position during operation.

[0024] A canopy structure and an aisle plate 11 are also provided on the side of the cab 4 away from the hoist 6 . The aisle plate 11 is placed below the canopy structure. The canopy structure is fixedly connected to the upper end of the aisle plate 11 . The aisle plate 11 is fixedly connected to the swivel seat 3 .

[0025] A guardrail structure is provided on the side of the aisle plate 11 away from the swivel seat 3, and the guardrail structure is fixedly connected to the aisle plate 11. A ladder structure is provided on the end of the aisle plate 11 away from the hatch 5, and the ladder structure is fixedly connected to the aisle plate 11. When going up and down the crawler crane, the staff can walk along the aisle plate 11 and the ladder structure. During the walking process, the guardrail structure can prevent the staff from falling when climbing the crawler. The canopy structure at the upper end of the cab 4 will block the accidental falling objects above, protecting the staff from being injured.

[0026] More specifically, the mobile vehicle body includes a vehicle body 1, a cab 4 is rotatably connected to the upper end of the vehicle body 1, tracks 2 are arranged on both sides of the vehicle body 1, and the vehicle body 1 and the tracks 2 are staggered with the ladder structure. The tracks 2 are staggered with the ladder, so that when the swivel seat 3 rotates at the upper end of the vehicle body 1, the ladder structure fixed to the aisle plate 11 will not conflict with the vehicle body 1 and the tracks 2.

[0027] About the shed structure:

[0028] The canopy structure includes a cover plate 9 and a plurality of first support rods 10, each of which is fixedly connected to the upper edge of the cockpit 4. The cover plate 9 is placed above the aisle plate 11 and the guardrail structure, and the cover plate 9 is fixedly connected to the upper ends of each first support rod 10. The first support rod 10 supports the cover plate 9, and the cover plate 9 is fixed to the cockpit 4 through the first support rod 10. Falling objects that accidentally fall from above the cockpit 4 will be blocked by the cover plate 9.

[0029] About guardrail structure:

[0030] The guardrail structure includes a second support rod 13 and a first baffle plate 14. The lower end of the second support rod 13 is fixedly connected to the side of the aisle plate 11 away from the rotating seat 3, and the upper end of the second support rod 13 is fixedly connected to the first baffle plate 14. The rod section of the second support rod 13 connected to the aisle plate 11 is bent outward. The advantage of this design is that there will be a larger activity space between the cockpit 4 and the first baffle plate 14, and the door 5 will not collide with the first baffle plate 14 when it is opened.

[0031] About the ladder structure:

[0032] The ladder structure includes a ladder frame 15, which is fixedly connected to the end of the aisle board 11 away from the cabin door 5, and the end of the ladder frame 15 away from the aisle board 11 is inclined toward the ground, and a plurality of pedals 18 are provided on the ladder frame 15, and the pedals 18 are fixedly connected to the ladder frame 15. The staff can walk to the aisle board 11 by stepping on the pedals 18, and then open the cabin door 5 to enter the cockpit 4 for driving.

[0033] In order to improve the safety of the ladder structure, a plurality of third support rods 16 are provided on both sides of the ladder frame 15, the lower ends of the third support rods 16 are fixedly connected to the ladder frame 15, and the upper ends of the third support rods 16 are provided with second baffles 17, which are fixedly connected to the third support rods 16. In addition to the guardrail structure provided on the aisle plate 11, the ladder frame 15 is also provided with a fence similar to the guardrail structure to ensure the safety of the upper and lower pedals 18.

[0034] In order to improve the use safety of the aisle plate 11, a plurality of reinforcing ribs 12 are provided at the connection between the aisle plate 11 and the rotating seat 3. The reinforcing ribs 12 are fixedly connected to the lower end surface of the aisle plate 11, and the reinforcing ribs 12 are fixedly connected to the rotating seat 3. By providing a plurality of reinforcing ribs 12 at the lower end of the vehicle body 1, the structural strength of the connection between the aisle plate 11 and the rotating seat 3 can be effectively improved, and the walking safety of the staff can be guaranteed.

[0035] In a preferred embodiment, the upper end surface of the pedal 18 and the upper end surface of the aisle board 11 are provided with anti-skid patterns for increasing the friction between the staff's feet and the aisle board 11 and the pedal 18. The anti-skid patterns are dot-shaped protrusions arranged on the upper end surfaces of the aisle board 11 and the pedal 18, which can reduce the occurrence of slipping during walking by increasing the friction.

[0036] How this application works:

[0037] The swivel seat 3 is rotatably connected to the upper end of the mobile body. The turntable structure between the mobile body and the swivel seat 3 can support the rotation of the cockpit 4 and the hoist 6 and adjust the direction of the cantilever 7. The turntable structure between the cantilever 7 and the hoist 6 can support the cantilever 7 to lift and adjust the angle. During operation, the heavy objects can be flexibly placed at any desired angle or position.

[0038] When going up and down the crawler crane, the staff can walk along the aisle plate 11 and the ladder structure. During the walking process, the guardrail structure prevents the staff from falling when climbing the crawler tracks. The canopy structure at the upper end of the cab 4 can block accidental falling objects from above and protect the staff from being injured.

[0039] In the description of the present application, it should be noted that the terms "upper", "lower", etc. 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 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, and therefore cannot be understood as a limitation on the present application. Unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be a connection between the 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 the specific circumstances.

[0040] The above description is only a specific implementation of the present application, so that those skilled in the art can understand or implement the present application. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the present application. Therefore, the present application will not be limited to the embodiments shown herein, but will conform to the widest range consistent with the principles and novel features applied for herein.

Claims

1. A crawler crane for construction site with a safety guardrail, comprising a mobile body and a swivel seat (3) arranged at the upper end of the mobile body, wherein a driving cabin (4) and a hoist (6) are arranged at the upper end of the swivel seat (3), characterized in that: The cockpit (4) is provided with a door (5) on a side away from the hoist (6), and the hoist (6) is provided with a cantilever (7) and a hook (8); The cab (4) is also provided with a canopy structure and an aisle plate (11) on the side away from the hoist (6), the aisle plate (11) is placed below the canopy structure, the canopy structure is fixedly connected to the upper end of the aisle plate (11), and the aisle plate (11) is fixedly connected to the swivel seat (3); A guardrail structure is provided on the side of the aisle plate (11) away from the rotating seat (3), and the guardrail structure is fixedly connected to the aisle plate (11).

2. A crawler crane with a safety guardrail for construction site use according to claim 1, characterized in that: A ladder structure is provided at one end of the aisle plate (11) away from the cabin door (5), and the ladder structure is fixedly connected to the aisle plate (11).

3. A crawler crane with a safety guardrail for construction site use according to claim 2, characterized in that: The mobile vehicle body comprises a vehicle body (1), the driving cabin (4) is rotatably connected to the upper end of the vehicle body (1), crawlers (2) are provided on both sides of the vehicle body (1), and the vehicle body (1) and the crawlers (2) are staggered with the ladder structure.

4. The crawler crane with a safety guardrail for construction site according to claim 1, characterized in that: The canopy structure comprises a cover plate (9) and a plurality of first support rods (10), each of the first support rods (10) being fixedly connected to the upper edge of the cockpit (4), the cover plate (9) being placed above the aisle plate (11) and the guardrail structure, and the cover plate (9) being fixedly connected to the upper ends of each of the first support rods (10).

5. The crawler crane with a safety guardrail for construction site according to claim 1, characterized in that: The guardrail structure comprises a second support rod (13) and a first baffle plate (14); the lower end of the second support rod (13) is fixedly connected to a side of the aisle plate (11) away from the rotating seat (3); and the upper end of the second support rod (13) is fixedly connected to the first baffle plate (14).

6. The crawler crane with a safety guardrail for construction site according to claim 2, characterized in that: The ladder structure comprises a ladder frame (15), wherein the ladder frame (15) is fixedly connected to one end of the aisle plate (11) away from the cabin door (5), and the end of the ladder frame (15) away from the aisle plate (11) is inclined toward the ground, and a plurality of pedals (18) are provided on the ladder frame (15), and the pedals (18) are fixedly connected to the ladder frame (15).

7. A crawler crane with a safety guardrail for construction site use according to claim 6, characterized in that: A plurality of third support rods (16) are provided on both sides of the ladder frame (15), the lower ends of the third support rods (16) are fixedly connected to the ladder frame (15), the upper ends of the third support rods (16) are provided with second baffles (17), and the second baffles (17) are fixedly connected to the third support rods (16).

8. The crawler crane with a safety guardrail for construction site use according to claim 1, characterized in that: A plurality of reinforcing ribs (12) are provided at the connection between the aisle plate (11) and the rotating seat (3); the reinforcing ribs (12) are fixedly connected to the lower end surface of the aisle plate (11); and the reinforcing ribs (12) are fixedly connected to the rotating seat (3).

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