Subway deslagging portal crane

Abstract

The invention provides a subway deslagging portal crane. The subway deslagging portal crane comprises a ground rail, a portal frame arranged on the ground rail, a crane carriage arranged on the portal frame and a deslagging lifting appliance connected with the crane carriage, the portal comprises a main beam and portal supporting legs arranged at the lower end of the main beam, a plurality of walking mechanisms are arranged at the lower ends of the portal supporting legs, a first cleaning mechanism and a second cleaning mechanism are arranged at the two ends, corresponding to the ground rails, of the walking mechanisms correspondingly, and the first cleaning mechanism comprises a scraper which is used for scraping dirt on the top faces and the two sides of the ground rails; the second cleaning mechanism comprises a spraying head, the spraying head is used for conducting spraying cleaning on the ground rail, and the distance between the second cleaning mechanism and the middle of the walking mechanism is larger than that between the first cleaning mechanism and the walking mechanism. The subway deslagging portal crane is scientific and reasonable in design, the ground rail can be cleaned conveniently, and the situation that normal operation of equipment is affected by mud on the ground rail is avoided.

Description

TECHNICAL FIELD

[0001] The present application relates to a hoisting device, in particular to a subway slag discharge gantry crane. BACKGROUND

[0002] During the process of subway tunneling, a large amount of muck is generated, which needs to be removed in a timely and effective manner to ensure the smooth progress of construction. Traditional muck handling methods usually rely on manpower or small transportation tools, but these methods have low efficiency and poor safety, especially in the case of height difference between subway foundation pit and ground, the operation is more complex and dangerous.

[0003] In order to improve the efficiency and safety of subway construction, subway muck hoist crane emerges as the times require. This equipment can automatically and quickly transport the muck in the tunnel to the ground or designated position, greatly improving the muck discharge efficiency, reducing the demand for manpower, and reducing the risk of accidents. For example: Chinese patent CN118373333A discloses a subway tunnel excavation slag discharge gantry crane and its use method, Chinese patent CN221420486U discloses a new type of prefabricated component hoisting and slag discharge special gantry crane for subway construction, Chinese patent CN212671796U discloses a special gantry crane for subway shield muck discharge, etc., but there are a lot of wet mud on the construction site of the subway, which is easy to enter the ground rail of the gantry crane, affecting the smooth operation of the subway muck discharge.

[0004] In order to solve the above problems, people have been seeking an ideal technical solution. SUMMARY

[0005] The purpose of the present application is to overcome the shortcomings of the prior art, and to provide a subway muck discharge gantry crane.

[0006] In order to achieve the above purpose, the technical scheme adopted by the present application is: A subway muck discharge gantry crane, comprising a ground rail, a portal arranged on the ground rail, a hoist trolley arranged on the portal, and a muck discharge spreader connected with the hoist trolley; the portal comprises a main beam and a portal leg arranged at the lower end of the main beam, the lower end of the portal leg is provided with a plurality of traveling mechanisms, the two ends of each traveling mechanism are respectively provided with a first cleaning mechanism and a second cleaning mechanism corresponding to the ground rail, the first cleaning mechanism comprises a scraper for scraping off the dirt on the top surface and both sides of the ground rail, and the second cleaning mechanism comprises a spray head for spraying and cleaning the ground rail, and the distance between the second cleaning mechanism and the middle of the traveling mechanism is greater than that between the first cleaning mechanism and the middle of the traveling mechanism.

[0007] The main beam comprises two horizontal beams and two longitudinal beams, the ends of the two horizontal beams are connected by the longitudinal beams to form a rectangular top frame, the upper side of the horizontal beam is provided with a trolley track, and the hoist trolley moves along the trolley track.

[0008] The upper side of the rectangular top frame is provided with a rectangular guardrail; the lower side of each horizontal beam is provided with two supporting legs, and the lower ends of the two supporting legs opposite to each other are connected by a bottom beam, and the walking mechanism is installed on the lower side of the bottom beam.

[0009] The walking mechanism and the lower side of the bottom beam are connected by a plurality of balance beams, the walking mechanism and the adjacent balance beam are hinged, the two adjacent balance beams are hinged, and the bottom beam and the adjacent balance beam are hinged.

[0010] The lower side of each bottom beam is provided with two groups of walking mechanisms, and the opposite ends of the two groups of walking mechanisms are provided with a first cleaning mechanism and a second cleaning mechanism, respectively.

[0011] The walking mechanism comprises a plurality of inverted U-shaped mounting plates, a plurality of walking wheels arranged in the inverted U-shaped mounting plates, and a driving motor connected with the walking wheels, the walking wheels are rotationally connected with the inverted U-shaped mounting plates, the driving motor is located in the inverted U-shaped mounting plate, and the inverted U-shaped mounting plate is provided with a protective fence corresponding to the driving motor.

[0012] The inverted U-shaped mounting plate located at the outer end of the walking mechanism is connected with a first vertical sealing plate and a second vertical sealing plate, the second vertical sealing plate is located above the first vertical sealing plate and is fixedly connected with the top surface of the inverted U-shaped mounting plate through an inclined supporting plate.

[0013] The lower end of the first vertical sealing plate extends downward and the two sides shrink to form a trapezoidal plate, the upper side of the scraper is detachably connected with the trapezoidal plate through bolts; the lower end of the scraper is provided with a notch corresponding to the top surface of the track, and the top surface and the two side surfaces of the notch abut against the track.

[0014] The second vertical sealing plate is connected with a buffer, a micro water tank is arranged between the second vertical sealing plate and the buffer, a water inlet is arranged on the top of the micro water tank, and the bottom of the micro water tank supplies water to the spray head through a water supply pipe.

[0015] Compared with the prior art, the subway slag discharge door type crane has the advantages of scientific design, reasonable design, convenient cleaning of the track, and avoidance of the influence of dirt on the track on the normal operation of the equipment. Specifically, during use, the trolley moves along the trolley track, the gantry moves along the track, the slag discharge hanger is used to carry the slag, the first cleaning mechanism and the second cleaning mechanism are used to clean the track, and the influence of dirt on the track on the normal operation of the equipment is avoided. BRIEF DESCRIPTION OF DRAWINGS

[0016] Fig. 1 is a structural schematic diagram of the present application.

[0017] Fig. 2 is a structural schematic diagram of the walking mechanism in the present application.

[0018] In the diagram: 1. Lifting trolley; 2. Slag removal hoist; 3. Horizontal beam; 4. Longitudinal beam; 5. Rectangular guardrail; 6. Outriggers; 7. Bottom beam; 8. Balance beam; 9. Inverted U-shaped mounting plate; 10. Traveling wheels; 11. Drive motor; 12. Guardrail; 13. First vertical sealing plate; 14. Second vertical sealing plate; 15. Scraper; 16. Buffer; 17. Spray head. Detailed Implementation

[0019] The technical solution of the present invention will be further described in detail below through specific embodiments.

[0020] like Figs. 1-2 As shown, a gantry crane for slag removal in subways includes a ground rail, a gantry frame mounted on the ground rail, a lifting trolley 1 mounted on the gantry frame, and a slag removal lifting device 2 connected to the lifting trolley 1. The gantry frame includes a main beam and gantry legs 6 mounted at the lower end of the main beam. Several traveling mechanisms are provided at the lower end of the gantry legs 6. A first cleaning mechanism and a second cleaning mechanism are respectively provided at both ends of the traveling mechanism corresponding to the ground rail. The first cleaning mechanism includes a scraper 15, which is used to scrape off dirt from the top surface and sides of the ground rail. The second cleaning mechanism includes a spray head 17, which is used to spray and clean the ground rail. The distance between the second cleaning mechanism and the middle of the traveling mechanism is greater than that of the first cleaning mechanism.

[0021] This subway slag removal gantry crane is scientifically and rationally designed, facilitating the cleaning of the ground rails and preventing mud and dirt from affecting the normal operation of the equipment. Specifically, during use, the lifting trolley moves along the trolley track, the gantry moves along the ground rails, the slag removal lifting device is used to carry the slag, and the first and second cleaning mechanisms are used to clean the ground rails, preventing mud and dirt from affecting the normal operation of the equipment.

[0022] In one embodiment, the main beam includes two horizontal beams 3 and two longitudinal beams 4. The ends of the two horizontal beams 3 are connected by the longitudinal beams 4 to form a rectangular top frame. A trolley track is provided on the upper side of the horizontal beams 3. The lifting trolley 1 moves along the trolley track, thereby moving the slag removal hoist to a suitable position for dumping.

[0023] In one embodiment, a rectangular guardrail 5 is provided around the upper side of the rectangular top frame; two support legs 6 are respectively provided on the lower side of the two horizontal beams 3, and the lower ends of the two support legs 6 in opposite positions are connected by a bottom beam 7, and the walking mechanism is installed on the lower side of the bottom beam 7.

[0024] In one embodiment, the walking mechanism is connected to the lower side of the bottom beam 7 via a multi-stage balance beam 8. The walking mechanism is hinged to the adjacent balance beam 8, and two adjacent balance beams 8 are hinged to each other. The bottom beam 7 is hinged to the adjacent balance beam 8 to improve the stability of the structure.

[0025] In one of the embodiments, the lower side of each bottom beam 7 is respectively provided with two groups of walking mechanisms, and the opposite ends of the two groups of walking mechanisms are respectively provided with a first cleaning mechanism and a second cleaning mechanism, so as to facilitate the movement of the portal frame and clean the ground rail.

[0026] In one of the embodiments, the walking mechanism comprises a plurality of inverted U-shaped mounting plates 9, a plurality of walking wheels 10 arranged in the inverted U-shaped mounting plates 9, and a driving motor 11 connected with the walking wheels 10. The walking mechanism is driven by the driving motor. The walking wheels 10 are rotationally connected with the inverted U-shaped mounting plates 9. The driving motor 11 is located in the inverted U-shaped mounting plate 9. The inverted U-shaped mounting plate 9 is provided with a protective fence 12 corresponding to the driving motor 11, so as to facilitate the protection of the driving motor.

[0027] In one of the embodiments, the inverted U-shaped mounting plate 9 located at the outer end of the walking mechanism is connected with a first vertical sealing plate 13 and a second vertical sealing plate 14. The second vertical sealing plate 14 is located above the first vertical sealing plate 13 and is fixedly connected with the top surface of the inverted U-shaped mounting plate 9 through a diagonal bracing plate, so as to facilitate the assembly.

[0028] In one of the embodiments, the lower end of the first vertical sealing plate 13 extends downward and the two sides shrink to form a trapezoidal plate. The upper side of the scraper 15 is detachably connected with the trapezoidal plate through bolts. The lower end of the scraper 15 is provided with a notch corresponding to the top surface of the ground rail. The top surface and the two side surfaces of the notch abut against the ground rail, so as to facilitate the scraping of the slag or mud on the ground rail. In the specific use process, the scraper can be installed or detached according to the needs, the ground rail is cleaned, and the scraper can be detached after cleaning.

[0029] In one of the embodiments, the second vertical sealing plate 14 is connected with a buffer 16. A micro water tank is arranged between the second vertical sealing plate 14 and the buffer 16. The top of the micro water tank is provided with a water inlet, so as to facilitate the timely addition of water. The bottom of the micro water tank supplies water to a spray head 17 through a water supply pipe. In order to facilitate water supply, a pump body can be arranged to supply water. In the use process, the cleaning is performed through spraying and / or the cleaning is performed through the scraper. Specifically, the scraper can be a hard scraper or a polyurethane flexible wiping block.

[0030] The above embodiments can be combined with each other.

[0031] Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present application and not to limit them; although the present application has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the specific embodiments of the present application can be modified or some technical features can be replaced by equivalents; without departing from the spirit of the technical solutions of the present application, they should be covered in the technical solution range of the present application.

Claims

1. A subway slagging portal crane, comprising a ground rail, a portal arranged on the ground rail, a trolley arranged on the portal, and a slagging hoist connected with the trolley; characterized in that: The portal frame comprises a main beam and a portal frame leg arranged at the lower end of the main beam, the lower end of the portal frame leg is provided with a plurality of walking mechanisms, the first and second cleaning mechanisms are arranged at the two ends of the walking mechanism corresponding to the rail respectively, the first cleaning mechanism comprises a scraper for scraping the top surface and both sides of the rail, the second cleaning mechanism comprises a spray head for spraying and cleaning the rail, and the distance between the second cleaning mechanism and the middle of the walking mechanism is greater than that of the first cleaning mechanism.

2. The subway slag door crane according to claim 1, characterized in that: The main beam comprises two horizontal beams and two longitudinal beams, the ends of the two horizontal beams are connected by the longitudinal beams to form a rectangular top frame, the upper side of the horizontal beam is provided with a trolley track, and the lifting trolley moves along the trolley track.

3. The subway slag door crane according to claim 2, characterized in that: A rectangular guardrail is arranged around the upper side of the rectangular top frame; the lower sides of the two horizontal beams are respectively provided with two legs, the lower ends of the two legs opposite in position are connected by a bottom beam, and the walking mechanism is installed on the lower side of the bottom beam.

4. The subway slag door crane according to claim 3, characterized in that: The walking mechanism and the lower side of the bottom beam are connected by a plurality of balance beams, the walking mechanism and the adjacent balance beam are hinged, the two adjacent balance beams are hinged, and the bottom beam and the adjacent balance beam are hinged.

5. The subway slag door crane according to claim 4, characterized in that: The lower side of each bottom beam is respectively provided with two groups of walking mechanisms, and the first and second cleaning mechanisms are arranged at the opposite ends of the two groups of walking mechanisms respectively.

6. The subway slag door crane according to claim 5, characterized in that: The walking mechanism comprises a plurality of inverted U-shaped mounting plates, a plurality of walking wheels arranged in the inverted U-shaped mounting plates, and a driving motor connected with the walking wheels, the walking wheels are rotationally connected with the inverted U-shaped mounting plates, the driving motor is located in the inverted U-shaped mounting plate, and the inverted U-shaped mounting plate is provided with a protective fence corresponding to the driving motor.

7. The subway slag door crane according to claim 6, characterized in that: The inverted U-shaped mounting plate at the outer end of the walking mechanism is connected with a first vertical sealing plate and a second vertical sealing plate, the second vertical sealing plate is located above the first vertical sealing plate and is fixedly connected with the top surface of the inverted U-shaped mounting plate through an inclined support plate.

8. The subway slag door crane according to claim 7, characterized in that: The lower end of the first vertical sealing plate extends downward and the two sides shrink to form a trapezoidal plate, the upper side of the scraper is detachably connected with the trapezoidal plate through bolts; the lower end of the scraper is provided with a notch corresponding to the top surface of the rail, and the top surface and the two side surfaces of the notch abut against the rail.

9. The subway slag door crane according to claim 8, characterized in that: The second vertical sealing plate is connected with a buffer, a micro water tank is arranged between the second vertical sealing plate and the buffer, a water inlet is arranged at the top of the micro water tank, and the bottom of the micro water tank supplies water to the spray head through a water supply pipe.

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