A gantry crane for auxiliary construction and transportation of subway railway tracks

Abstract

The present application provides a gantry crane for auxiliary construction and transportation of subway and railway tracks, including two support frames respectively arranged on two parallel railways; an elastic component arranged above the top plate; a load-bearing rail arranged above the two support frames; and a stopping device arranged on the bottom plate. In the present invention, support frames are installed on both of the two parallel railways, and an elastic component is provided above each support frame. The lower pressing plates of the two elastic components are directly connected to a load-bearing rail, which can be used to transport heavy objects or lift heavy objects; when the elastic component is pressed down by a heavy object, it can drive the telescopic rod to move downward, thereby driving the stopping device. The stopping device has a walking part and a stopping part. When the clamping rod at the end of the telescopic rod is in different card slots above the stopping device, the switching between the two states of walking and stopping can be realized when the heavy object is pressed down, meeting the requirements of different scenarios, being able to achieve both stable transportation and fixed-point lifting, meeting the construction requirements and improving the construction efficiency.

Description

Technical Field

[0001] The present invention relates to the technical field of track auxiliary construction, and particularly to a gantry hanger for subway railway track auxiliary construction and transportation. Background Art

[0002] The existing track of the subway yard line has been formed. Due to the influence of in-yard facilities, equipment, catenary and other factors, it is difficult to construct or repair in the existing subway because normal operation needs to be ensured. The construction difficulty is great and the working hours are short. Making the most effective use of working hours within the available working time becomes the most direct problem for the construction or repair progress in the existing subway.

[0003] Therefore, in view of the above problems in construction, improvements are made. According to the characteristics of the existing line, using the existing transportation line as two-track railways, a gantry hanger for subway railway track auxiliary construction and transportation is proposed. When in use, it can not only achieve stable transportation of the load, but also achieve fixed-point load lifting for construction or repair in the subway. Summary of the Invention

[0004] An embodiment of the present invention provides a gantry hanger for subway railway track auxiliary construction and transportation, which solves the problems that the existing equipment for construction or repair in the existing subway has great difficulty in entering the site and cannot achieve stable transportation and fixed-point lifting switching.

[0005] To overcome the above technical problems, according to an embodiment of the present invention, there is provided a gantry hanger for subway railway track auxiliary construction and transportation, including:

[0006] Two support frames respectively arranged on two parallel railways; the support frame includes a bottom plate, rollers arranged below the bottom plate, a frame body supported above the bottom plate, and a top plate fixed above the frame body;

[0007] An elastic component arranged above the top plate;

[0008] A load-bearing rail arranged above the two support frames; both ends of the load-bearing rail are respectively fixed to the elastic components of the two support frames; and

[0009] A stop device arranged on the bottom plate; when the elastic component is pressed down, the stop device is driven to switch between two states of walking and stopping.

[0010] In some embodiments, the elastic component includes a through hole penetrating the top plate, a pressing shaft movably arranged up and down in the through hole, a lower pressing plate fixed above the pressing shaft, and a compression spring supported below the lower pressing plate. The through hole is a stepped hole, the upper aperture is larger than the lower aperture, the compression spring is arranged on the upper side of the through hole, and when the lower pressing plate is compressed to be close to the top plate, the compression spring can be compressed into the through hole.

[0011] In some embodiments, the line stop device includes a rotating shaft rotatably mounted on a bottom plate and line stop members fixed to both ends of the rotating shaft. The two line stop members respectively pass through the bottom plate and cooperate with the lower end faces of two rails of the same railway; the line stop member includes a walking member and a stopping member fixedly connected at an angle. A walking wheel is provided at the lower end of the walking member, and a stopping block is provided at the lower end of the stopping member; an upwardly extending swing arm is fixedly connected above the rotating shaft, and a prying plate is fixedly connected to the upper end of the swing arm. A plurality of card slots are arranged horizontally on the prying plate, and the arrangement direction of the card slots is perpendicular to the axial direction of the rotating shaft and is distributed on both sides of the plane where the rotating shaft and the swing arm are located; a clamping rod is arranged in the card slot, and the lower end of the clamping rod is connected to the lower pressing shaft through a telescopic rod.

[0012] An auxiliary ladder is provided above the top plate; the auxiliary ladder includes a ladder frame hinged above the top plate. A lower pressing rod is horizontally arranged on the ladder frame, and a horizontally elongated waist-shaped hole is formed in the lower pressing rod; an auxiliary rod extending upward is fixed to the upper end face of the lower pressing plate, and an auxiliary shaft is provided at the upper end of the auxiliary rod. The end of the auxiliary shaft horizontally penetrates into the waist-shaped hole and can move within the waist-shaped hole.

[0013] In some embodiments, two of the auxiliary rods are fixed above one of the lower pressing plates, and the two auxiliary rods are respectively located on both sides of the load-bearing rail.

[0014] In some embodiments, the auxiliary shaft is fixedly connected to the two auxiliary rods.

[0015] In some embodiments, the load-bearing rail is bolted to both of the lower pressing plates.

[0016] In some embodiments, the telescopic rod includes two upper and lower bolt rods and a threaded tube threadedly connected to the two bolt rods.

[0017] In some embodiments, the upper bolt rod is hinged to the lower pressing shaft, and the lower bolt rod is fixedly connected to the clamping rod.

[0018] In some embodiments, a limiting frame is fixed above the card slot.

[0019] In some embodiments, the number of the card slots is at least four and is divided into two groups and distributed on both sides of the plane where the rotating shaft and the swing arm are located.

[0020] In some embodiments, a friction pad is fixed on the stopping block.

[0021] The technical solutions provided by the embodiments of the present invention may include the following beneficial effects:

[0022] The gantry hanger for subway railway track auxiliary construction and transportation provided by the present invention installs support frames on two parallel railways. An elastic component is provided above each support frame. The lower pressing plates of the two elastic components are directly connected with a load-bearing rail, which can be used to transport heavy objects or lift heavy objects. When the elastic component is pressed down by a heavy object, it can drive the telescopic rod to move downward, thereby driving the stop device. The stop device has a walking part and a stopping part. When the clamping rod at the end of the telescopic rod is in different card slots above the stop device, the switching between the walking and stopping states can be realized when the heavy object is pressed down, meeting the requirements of different scenarios, being able to achieve stable transportation and fixed-point lifting, meeting the construction requirements and improving the construction efficiency.

[0023] When it is necessary to move a heavy object along the railway direction, when the clamping rod is stuck in the card slot on the side away from the walking wheel, after the lower pressing plate is pressed down by the heavy object, the lower pressing shaft moves downward to drive the telescopic rod to press down the clamping rod. Since the clamping rod is stuck in the card slot, the side of the prying plate away from the walking wheel is deflected downward, then the walking wheel is deflected upward and pressed against the lower end face of the track, enabling the support frame to walk, and the transportation of heavy objects is relatively stable. When it is necessary to lift the heavy object upward at a certain position, it is necessary to ensure that the position of the support frame is fixed at this time. At this time, the clamping rod can be stuck in the card slot on the side away from the stop block. After the lower pressing plate is pressed down by the heavy object, the lower pressing shaft moves downward to drive the telescopic rod to press down the clamping rod. Since the clamping rod is stuck in the card slot, the side of the prying plate away from the stop block is deflected downward, then the stop block is deflected upward and pressed against the lower end face of the track, enabling the support frame to brake stably at a position, and the heavier the heavy object, the better the stability effect.

[0024] It should be understood that the above general description and the following detailed description are only exemplary and explanatory, and cannot limit the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] The drawings herein are incorporated into the specification and form a part of this specification, showing embodiments consistent with the present invention and used together with the specification to explain the principles of the present invention.

[0026] Figure 1 is a front view schematic diagram of a gantry hanger for subway railway track auxiliary construction and transportation shown according to an exemplary embodiment.

[0027] Figure 2 is a side view schematic diagram of a gantry hanger for subway railway track auxiliary construction and transportation shown according to an exemplary embodiment.

[0028] Figure 3 is Figure 1 the enlarged view at "A" in

[0029] In the figure, 1. Support frame; 101. Bottom plate; 102. Roller; 103. Frame body; 104. Top plate;

[0030] 2. Elastic component; 201. Through hole; 202. Pressing shaft; 203. Lower pressing plate; 204. Compression spring;

[0031] 3. Load-bearing rail;

[0032] 4. Stop device; 401. Rotating shaft; 402. Stop piece; 4021. Walking piece; 4022. Stopping piece; 4023. Walking wheel; 4024. Stop block; 4025. Friction pad; 403. Swing arm; 404. Prying plate; 405. Card slot; 406. Card rod; 407. Telescopic rod; 4071. Bolt rod; 4072. Threaded pipe; 408. Limiting frame;

[0033] 5. Auxiliary ladder; 501. Ladder frame; 502. Pressing rod; 503. Waist-shaped hole; 504. Auxiliary rod; 505. Auxiliary shaft. Detailed implementation mode

[0034] Among them, the drawings are only for illustrative purposes, showing only schematic diagrams, not physical diagrams, and should not be construed as limiting the present invention; in order to better illustrate the embodiments of the present invention, some components in the drawings will be omitted, enlarged or reduced, which do not represent the dimensions of the actual product; for those skilled in the art, it is understandable that some well-known structures and their descriptions in the drawings may be omitted.

[0035] In the drawings of the embodiments of the present invention, the same or similar reference numerals correspond to the same or similar components; in the description of the present invention, it should be understood that if terms such as "upper", "lower", "left", "right", "inner", "outer", etc. are used to indicate the orientation or positional relationship, it is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present invention 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, the terms describing the positional relationship in the drawings are only for illustrative purposes and should not be construed as limiting the present invention. For those of ordinary skill in the art, the specific meanings of the above terms can be understood according to specific circumstances.

[0036] In the description of the present invention, unless otherwise clearly specified and limited, if terms such as "connection" are used to indicate the connection relationship between components, this term should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or integrated; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two components or the interaction relationship between two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0037] Such as Figures 1-3As shown, the present invention provides a gantry hanger for auxiliary construction and transportation of subway railway tracks. Some specific embodiments are described below. Some specific embodiments of a gantry hanger for auxiliary construction and transportation of subway railway tracks include two support frames 1. Specifically, the two support frames 1 are respectively placed on two parallel railways. The support frame 1 includes a bottom plate 101, rollers 102 installed below the bottom plate 101, a frame body 103 supported above the bottom plate 101, and a top plate 104 fixed above the frame body 103. The frame body 103 is connected to the bottom plate 101 and the top plate 104 by welding, which is stable and firm. The number of rollers 102 installed below each support frame 1 is at least four, and they are divided into two groups and evenly distributed on the two tracks of the same railway, that is, there are at least two rollers 102 on each track, ensuring that the support frame 1 moves more smoothly on the railway tracks.

[0038] An elastic component 2 is installed above the top plate 104. The elastic component 2 specifically includes a through hole 201 penetrating the top plate 104, a downward pressure shaft 202 installed to move up and down in the through hole 201, a lower pressure plate 203 welded and fixed above the downward pressure shaft 202, and a compression spring 204 supported below the lower pressure plate 203. The through hole 201 is a stepped hole, and the upper diameter is larger than the lower diameter. The compression spring 204 is installed on the upper side of the through hole 201, so that the lower end of the compression spring 204 supports at the step of the through hole 201, and provides an upward elastic force to the lower pressure plate 203 when the compression spring 204 is compressed. In order to reduce the resistance when the compression spring 204 pushes up, the downward pressure shaft 202 can also be set as hollow. When the lower pressure plate 203 is compressed to be close to the top plate 104, the compression spring 204 can be compressed into the through hole 201, which does not affect the downward movement of the lower pressure plate 203.

[0039] A load-bearing rail 3 is installed across the two support frames 1. The load-bearing rail 3 is connected to the two lower pressure plates 203 by bolts, and equipment heavy objects can be suspended on the load-bearing rail 3 to be transported along the railway direction between the two railways.

[0040] Install the stopping device 4 on the bottom plate 101 to realize the switching between the walking state and the stopping state of the support frame 1. The stopping device 4 includes a rotating shaft 401 rotatably mounted on the bottom plate 101 and stopping members 402 welded and fixed at both ends of the rotating shaft 401. The specific installation method of the rotating shaft 401 is to be installed on the bottom plate 101 through two bearing seats, so that the rotating shaft 401 can rotate. The two stopping members 402 at both ends of the rotating shaft 401 respectively pass through the bottom plate 101 and cooperate with the lower end faces of the two tracks of the same railway. More specifically, the stopping member 402 includes a walking member 4021 and a stopping member 4022 fixedly connected at an angle. A walking wheel 4023 is installed at the lower end of the walking member 4021, and a stopping block 4024 is fixed at the lower end of the stopping member 4022. The stopping member 402 can swing with the rotation of the rotating shaft 401. When one side of the walking wheel 4023 contacts the lower edge of the track, the bottom plate 101 can move on the track, and because there is a roller 102 above the track and a walking wheel 4023 below, the bottom plate 101 is more stable when moving. A swinging arm 403 extending upward is welded and fixed above the rotating shaft 401. A prying plate 404 is welded and fixed at the upper end of the swinging arm 403. A plurality of card slots 405 are arranged horizontally on the prying plate 404, and the arrangement direction of the card slots 405 is perpendicular to the axial direction of the rotating shaft 401, and is distributed on both sides of the plane where the rotating shaft 401 and the swinging arm 403 are located. In this specific embodiment, four card slots 405 are arranged horizontally on the prying plate 404, and are divided into two groups and distributed on both sides of the plane where the rotating shaft 401 and the swinging arm 403 are located. A card rod 406 can be stuck in the card slot 405, and the lower end of the card rod 406 is connected to the lower end of the pressing shaft 202 through a telescopic rod 407. More specifically, the telescopic rod 407 includes two upper and lower bolt rods 4071 and a threaded tube 4072 threadedly connected to the two bolt rods 4071. The upper bolt rod 4071 is hinged to the pressing shaft 202, and the lower bolt rod 4071 is welded and fixed to the card rod 406. During use, the threaded tube 4072 can be rotated to adjust the length of the telescopic rod 407, and then the angle of the telescopic rod 407 can be adjusted so that the card rod 406 at the lower end of the telescopic rod 407 is stuck in one side of the card slot 405. A limiting frame 408 is fixed above the card slot 405 to prevent the card rod 406 from detaching from the prying plate 404 when adjusting the position of the card rod 406.

[0041] When it is necessary to move a heavy object along the railway direction, when the clamping rod 406 is stuck in the clamping groove 405 on the side away from the traveling wheel 4023, after the lower pressing plate 203 is pressed downward by the heavy object, the lower pressing shaft 202 moves downward to drive the telescopic rod 407 to press the clamping rod 406 downward. Since the clamping rod 406 is stuck in the clamping groove 405, the side of the lever plate 404 away from the traveling wheel 4023 is deflected downward, so that the traveling wheel 4023 is deflected upward and pressed against the lower end face of the track, enabling the support frame 1 to move and transporting the heavy object to move relatively stably. When it is necessary to lift the heavy object upward at a certain position, it is necessary to ensure that the position of the support frame 1 is fixed at this time. At this time, the clamping rod 406 can be stuck in the clamping groove 405 on the side away from the stop block 4024. After the lower pressing plate 203 is pressed downward by the heavy object, the lower pressing shaft 202 moves downward to drive the telescopic rod 407 to press the clamping rod 406 downward. Since the clamping rod 406 is stuck in the clamping groove 405, the side of the lever plate 404 away from the stop block 4024 is deflected downward, so that the stop block 4024 is deflected upward and pressed against the lower end face of the track, making the support frame 1 brake stably at a position, and the heavier the heavy object, the better the stable effect. A friction pad 4025 is fixed on the stop block 4024, and the friction pad 4025 contacts the lower end face of the track to increase the friction force.

[0042] An auxiliary ladder 5 is also installed above the top plate 104. The auxiliary ladder 5 includes a ladder frame 501 hinged above the top plate 104. A lower pressing rod 502 is horizontally installed on the ladder frame 501. Specifically, both ends of the lower pressing rod 502 are hinged on both sides of the ladder frame 501. The ladder frame 501 can be deflected to one side, and the connection between the lower pressing rod 502 and the ladder frame 501 can move. The lower pressing rod 502 is kept horizontal during installation, and the ladder frame 501 can still be kept horizontal after deflection. A horizontal waist-shaped hole 503 is formed in the lower pressing rod 502. Two auxiliary rods 504 extending upward are fixed on the upper end face of the lower pressing plate 203. The two auxiliary rods 504 are respectively located on both sides of the load-bearing rail 3. The upper ends of the two auxiliary rods 504 are fixedly connected with an auxiliary shaft 505. The end of the auxiliary shaft 505 horizontally penetrates into the waist-shaped hole 503 and can move in the waist-shaped hole 503. When a staff member climbs onto the ladder frame 501, due to the weight of the person, after the ladder frame 501 is deflected, the lower pressing rod 502 presses the auxiliary shaft 505 downward through the waist-shaped hole 503, and then presses the auxiliary rod 504 and the lower pressing plate 203 downward. Similarly, the lower pressing plate 203 moves downward. At this time, the clamping rod 406 is stuck in the clamping groove 405 on the side away from the stop block 4024. Similarly, when the staff member climbs upward on the ladder frame 501 for operations such as peripheral construction and maintenance, the lower pressing shaft 202 of the support frame 1 moves downward to drive the telescopic rod 407 to press the clamping rod 406 downward. Since the clamping rod 406 is stuck in the clamping groove 405, the side of the lever plate 404 away from the stop block 4024 is deflected downward, so that the stop block 4024 is deflected upward and pressed against the lower end face of the track, making the support frame 1 brake stably at a position and keeping the staff member stable. As long as the staff member is still on the ladder frame 501, the brake will not be released, improving safety.

[0043] Other embodiments of the present invention will be readily apparent to those skilled in the art upon consideration of the specification and practice of the disclosure herein. This application is intended to cover any variations, uses, or adaptations of the invention following the general principles of the invention and including known common knowledge or conventional technical means in the technical field of the invention not disclosed herein. The specification and examples are only to be considered as exemplary, and the true scope and spirit of the invention are pointed out by the following claims.

[0044] It should be understood that the present invention is not limited to the exact structures described above and shown in the drawings, and various modifications and changes can be made without departing from its scope. The scope of the present invention is only limited by the appended claims.

Claims

1. A gantry crane for auxiliary construction and transportation of subway railway tracks, characterized in that, Comprising: Two support frames (1) respectively arranged on two parallel railways; the support frame (1) includes a bottom plate (101), rollers (102) arranged below the bottom plate (101), a frame body (103) supported above the bottom plate (101), and a top plate (104) fixed above the frame body (103); the number of the rollers (102) in each support frame (1) is at least four, and they are divided into two groups and evenly distributed on two tracks of the same railway; An elastic component (2) arranged above the top plate (104); the elastic component (2) includes a through hole (201) penetrating the top plate (104), a downward pressure shaft (202) movably arranged up and down in the through hole (201), a lower pressure plate (203) fixed above the downward pressure shaft (202), and a compression spring (204) supported below the lower pressure plate (203), the through hole (201) is a stepped hole, the aperture of the upper side is larger than that of the lower side, the compression spring (204) is arranged on the upper side of the through hole (201), and when the lower pressure plate (203) is compressed to be close to the top plate (104), the compression spring (204) can be compressed into the through hole (201); A load-bearing rail (3) arranged above the two support frames (1); both ends of the load-bearing rail (3) are respectively fixed above the two lower pressure plates (203); and A stopping device (4) arranged on the bottom plate (101); the stopping device (4) includes a rotating shaft (401) rotatably mounted on the bottom plate (101) and stopping members (402) fixed at both ends of the rotating shaft (401), the two stopping members (402) respectively pass through the bottom plate (101) and are matched with the lower end faces of two tracks of the same railway; the stopping member (402) includes a walking member (4021) and a stopping member (4022) fixedly connected at an angle, a walking wheel (4023) is arranged at the lower end of the walking member (4021), and a stopping block (4024) is arranged at the lower end of the stopping member (4022); an upward extending swing arm (403) is fixedly connected above the rotating shaft (401), a prying plate (404) is fixedly connected at the upper end of the swing arm (403), a plurality of card slots (405) are arranged horizontally on the prying plate (404), and the arrangement direction of the card slots (405) is perpendicular to the axial direction of the rotating shaft (401) and is distributed on both sides of the plane where the rotating shaft (401) and the swing arm (403) are located; a clamping rod (406) is arranged in the card slot (405), and the clamping rod (406) is connected with the lower end of the downward pressure shaft (202) through a telescopic rod (407); An auxiliary ladder (5) is arranged above the top plate (104); the auxiliary ladder (5) includes a ladder frame (501) hinged above the top plate (104), a downward pressure rod (502) is transversely arranged on the ladder frame (501), and a transverse waist-shaped hole (503) is formed in the downward pressure rod (502); an auxiliary rod (504) extending upward is fixed on the upper end surface of the lower pressing plate (203), an auxiliary shaft (505) is arranged at the upper end of the auxiliary rod (504), and the end of the auxiliary shaft (505) horizontally penetrates into the waist-shaped hole (503) and can move in the waist-shaped hole (503); two auxiliary rods (504) are fixed above one lower pressing plate (203), and the two auxiliary rods (504) are respectively located on both sides of the load-bearing rail (3).

2. The gantry crane for auxiliary construction and transportation of subway railway tracks according to claim 1, wherein, The auxiliary shaft (505) is fixedly connected with the two auxiliary rods (504).

3. The gantry crane for auxiliary construction and transportation of subway railway tracks according to claim 1, characterized in that, The load-bearing rail (3) is bolted to the two lower pressing plates (203).

4. The gantry crane for subway railway track auxiliary construction and transportation according to claim 1, characterized in that, The telescopic rod (407) includes two upper and lower bolt rods (4071) and a threaded pipe (4072) threadedly connected to the two bolt rods (4071).

5. The gantry crane for auxiliary construction and transportation of subway railway tracks according to claim 1, wherein The upper bolt rod (4071) is hinged to the downward pressure shaft (202), and the lower bolt rod (4071) is fixedly connected to the clamping rod (406).

6. The gantry crane for auxiliary construction and transportation of subway railway tracks according to claim 1, characterized in that, A limiting frame (408) is fixed above the clamping groove (405).

7. The gantry crane for auxiliary construction and transportation of subway railway tracks according to claim 6, characterized in that, The number of the clamping grooves (405) is at least four, and they are divided into two groups and distributed on both sides of the plane where the rotating shaft (401) and the swing arm (403) are located.

8. The gantry crane for auxiliary construction and transportation of subway railway tracks according to claim 1, characterized in that, A friction pad (4025) is fixed on the stop block (4024).

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