CN216336255U - Earthwork overhead hoist is used in subway construction - Google Patents
Earthwork overhead hoist is used in subway construction Download PDFInfo
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- CN216336255U CN216336255U CN202122621838.0U CN202122621838U CN216336255U CN 216336255 U CN216336255 U CN 216336255U CN 202122621838 U CN202122621838 U CN 202122621838U CN 216336255 U CN216336255 U CN 216336255U
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- electromagnet
- earthwork
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Abstract
The utility model provides an earthwork hoisting device for subway construction, which comprises a base, a supporting rod and a cross beam, wherein a controller and an electric cable rope disc are arranged on the base, a fixed pulley is arranged on the cross beam, a cable rope of the electric cable rope disc is connected with an earthwork bucket after being guided by the fixed pulley, the earthwork bucket comprises a bucket body and a bottom cover, the bottom cover is hinged with the bucket body, the outer side wall of the bucket body is provided with a limiting cylinder and a limiting rod, the limiting cylinder is fixedly connected with the bucket body, the limiting rod is arranged in the limiting cylinder in a penetrating manner, the outer side wall of the bucket body is provided with an electromagnet, a stop ring is arranged in the circumferential direction of the limiting rod, a spring is arranged between the stop ring and one end of the limiting cylinder, which is far away from the electromagnet, a limiting foot with a limiting hole is arranged on the bottom cover, when the electromagnet is powered off, a part, extruding the limiting rod by the spring, is inserted into the limiting hole, when the electromagnet is powered on, the adsorption limiting rod is separated from the limiting hole, and the earthwork bucket in the prior art, the problems that the hoisting efficiency is low and workers are easily injured due to external force when the earthwork bucket is toppled are solved And (4) the problem of harm.
Description
Technical Field
The utility model belongs to the technical field of earthwork hoisting devices, and particularly provides an earthwork hoisting device for subway construction.
Background
The subway is a rapid, large-traffic and electric power traction rail transit built in cities. The train runs on a totally closed line, the line located in a central urban area is basically arranged in an underground tunnel, the line outside the central urban area is generally arranged on a viaduct or the ground, a subway is an urban rail transit transportation system which covers various underground and overground rights of roads in the urban area, has high density and high transportation capacity, and during the construction of the subway, an open cut method, a hidden cut method and a cover cut method are used for construction, so an earthwork hoisting device is required.
The earthwork bucket of the existing earthwork lifting device usually needs to be dumped out by means of external force when dumping earthwork, or needs to be opened manually, so that the lifting efficiency is lower, and the bottom cover is easy to cause accidental injury to workers operating the bottom cover.
Accordingly, there is a need in the art for an earth handling device for subway construction that solves the above problems.
SUMMERY OF THE UTILITY MODEL
The utility model provides an earthwork hoisting device for subway construction, which solves the problems that when an earthwork bucket of the earthwork hoisting device in the prior art is dumped, external force is needed, so that the hoisting efficiency is low, and accidental injury is easily caused to workers operating a bottom cover.
The technical scheme of the utility model is realized as follows: an earthwork hoisting device for subway construction comprises a base, a support rod arranged on the base and a cross beam arranged at the top end of the support rod, wherein a controller and an electric cable reel are arranged on the base, fixed pulleys are respectively arranged at two ends of the cross beam, a cable of the electric cable reel is connected with an earthwork bucket after being guided by the two fixed pulleys, the earthwork bucket comprises a rectangular bucket body and a bottom cover arranged at the bottom of the bucket body, one side edge of the bottom cover is hinged with the bucket body, a limiting mechanism is arranged on the outer side wall of the bucket body and comprises a limiting cylinder and a limiting rod, the limiting cylinder extends along the horizontal direction, the limiting cylinder is fixedly connected with the bucket body, the limiting rod penetrates through the limiting cylinder, an electromagnet is arranged on the outer side wall of the bucket body and is positioned at one end of the limiting rod, a stop ring is arranged on the circumferential direction of the limiting rod and is positioned at one side of the limiting cylinder, and a spring is arranged between the stop ring and one end of the limiting cylinder, which is far away from the electromagnet, the spring sleeve is arranged on the limiting rod, the limiting foot is arranged on the bottom cover, the limiting hole is formed in the limiting foot, when the controller controls the electromagnet to be powered off, the part of the spring, which extrudes the limiting rod through the stop ring, is inserted into the limiting hole, and when the controller controls the electromagnet to be powered on, the adsorption limiting rod is separated from the limiting hole.
In above-mentioned subway construction uses earthwork overhead hoist's preferred technical scheme, the bucket body deviates from its lateral wall with bottom articulated and is provided with electric hoist and leading wheel, and the leading wheel sets up in the position that the bucket body is close to the bottom, and electric hoist is located the leading wheel top, and electric hoist is connected with the controller electricity, and electric hoist's lifting rope deviates from its one side with the bucket body articulated with the bottom behind the leading wheel direction and is connected.
In the preferable technical scheme of the earth handling device for subway construction, the outer peripheral surface of the bucket body is provided with a camera.
In the preferable technical scheme of the earthwork hoisting device for subway construction, a water delivery pipe is arranged on the base, a water pump is arranged on the water delivery pipe, and a spray header is arranged at one end of the water delivery pipe.
The technical effect of the scheme is as follows: the earthwork overhead hoist of this scheme passes through the cooperation of stop gear and spacing foot, automatic operation when realizing the earthwork fill uninstallation earthwork: the electromagnet is electrified to adsorb the limiting rod, so that the limiting rod is separated from the limiting ring of the limiting foot, the limitation to the bottom cover is eliminated, the bottom cover is downwards rotated and opened around the hinged position, the automatic falling and unloading of earthwork are realized, the lifting efficiency is improved, an operator is not required to be close to the earthwork bucket to operate the bottom cover, and the safety of the lifting device is improved.
Further, through electric hoist, realize the self-closing of bottom: when the bottom is closed, the electric hoist is started to roll the lifting rope, the lifting rope drives the bottom to be upwards closed around the hinged position, after the bottom is completely contacted with the bucket body, the electromagnet is powered off, the limiting rod enters the limiting ring of the limiting pin under the action of the spring to limit the bottom, and the electric hoist and the limiting mechanism are matched to realize automatic opening and automatic closing of the bottom, so that the electric hoist is convenient, fast and safe.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic view of an earth handling device for subway construction according to the present invention;
fig. 2 is a schematic view of an earth bucket of the earth handling device for subway construction according to the present invention.
List of reference numerals: 1. a base; 2. a support bar; 3. a cross beam; 31. a fixed pulley; 4. a controller; 5. an electric cable reel; 6. a soil square bucket; 61. a bucket body; 62. a bottom cover; 63. a limiting cylinder; 64. a limiting rod; 641. a stop ring; 642. a spring; 65. an electromagnet; 66. a limiting pin; 67. an electric hoist; 68. a guide wheel; 69. a camera; 7. a water delivery pipe; 71. a shower head; 8. a chassis; 81. a driving wheel; 82. a driven wheel; 9. a guide rail.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that in the description of the present invention, the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicating the directions or positional relationships are based on the directions or positional relationships shown in the drawings, which are only for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
Furthermore, it should be noted that, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
The utility model relates to a concrete embodiment of an earthwork hoisting device for subway construction, which comprises the following steps: as shown in fig. 1 and 2, the earth handling device for subway construction comprises a base 1, a support rod 2 arranged on the base 1 and a cross beam 3 arranged at the top end of the support rod 2, wherein an electric cable reel 5 is arranged on the base 1, two ends of the cross beam 3 are respectively provided with a fixed pulley 31, and a cable of the electric cable reel 5 is guided by the two fixed pulleys 31 and then is connected with an earth hopper 6.
The earth hopper 6 comprises a rectangular parallelepiped hopper body 61 with an opening at the upper and lower sides and a bottom cover 62 arranged at the bottom of the hopper body 61, and the right side of the bottom cover 62 is hinged with the right side wall of the hopper body 61. The front side wall and the rear side wall of the bucket body 61 are respectively provided with a limiting mechanism, the limiting mechanism comprises a limiting barrel 63 and a limiting rod 64, the limiting barrel 63 and the bucket body 61 are fixedly connected, and the limiting rod 64 penetrates through the limiting barrel 63. The outer side wall of the bucket body 61 is provided with an electromagnet 65, the electromagnet 65 is located at the right end of the limit rod 64, a stop ring 641 is circumferentially arranged at a position of the limit rod 64 close to the left end of the limit rod 64, a spring 642 is arranged between the stop ring 641 and the left end of the limit barrel 63, the limit rod 64 is sleeved with the spring 642, and two ends of the spring 642 respectively abut against the stop ring 641 and the left end face of the limit barrel 63. The front side and the rear side of the bottom cover 62 are respectively provided with a limiting pin 66, and the limiting pin 66 is provided with a limiting hole. The controller 4 is arranged on the base 1, the electric cable disc 5 is electrically connected with the controller 4, and when the controller 4 controls the electromagnet 65 to be powered off, the spring 642 extrudes the left end of the limiting rod 64 through the stop ring 641 to be inserted into the limiting hole to limit the bottom cover 62; when the controller 4 controls the electromagnet 65 to be electrified, the adsorption limiting rod 64 is separated from the limiting hole, and the limitation of the bottom cover 62 is eliminated.
The electric hoist 67 and the guide pulley 68 are arranged on the left side wall of the bucket body 61, the guide pulley 68 is arranged at a position close to the bottom of the bucket body 61, the electric hoist 67 is positioned above the guide pulley 68, a hoisting rope of the electric hoist 67 is connected with the left side of the bottom cover 62 after being guided by the guide pulley 68, and the electric hoist 67 is electrically connected with the controller 4. The electromagnet 65 is electrified to adsorb the limiting rod 64, and when the limitation on the bottom cover 62 is eliminated, the controller 4 controls the electric elevator 67 to lower the lifting rope, so that the bottom cover 62 rotates downwards around the hinged position to be opened; when the bottom cover 62 needs to be closed, the controller 4 controls the electric hoist 67 to wind the lifting rope, the lifting rope drives the bottom cover 62 to be closed upwards around the hinged position, when the bottom cover 62 is completely contacted with the bottom of the bucket body 61, the electromagnet 65 is powered off, the limiting rod 64 penetrates through the limiting pin 66 of the bottom cover 62 under the elastic force of the spring 642 to limit the bottom cover 62, and the bottom cover 62 is closed.
Because in the subway construction, excavate usually in the foundation ditch, when transferring native square bucket 6, cause unexpected injury to personnel in the foundation ditch easily, in this embodiment, the outer peripheral face of bucket body 61 is provided with camera 69, is provided with display screen on the base 1, camera 69 and display screen signal connection, when transferring native square bucket 6, camera 69 can feed back to display screen with the circumstances of periphery on to operating personnel in time adjusts native square bucket 6 according to the peripheral circumstances.
In the process of handling the earthwork, great dust can be generated to pollute the environment, in the embodiment, the base 1 is provided with the water delivery pipe 7, the water delivery pipe 7 is provided with the water pump, and one end of the water delivery pipe 7 is provided with the spray header 71. The water pipe 7 is connected with a water source of a construction site, a water pump is started, and dust fall is realized through the spray header 71.
In this embodiment, the bottom of the base 1 is provided with a rotating device, the rotating device includes a chassis 8, a driving wheel 81 and a driven wheel 82, the driving wheel 81 is rotatably connected with the chassis 8, the base 1 is fixedly connected with the top of the driven wheel 82, the driving wheel 81 is engaged with the driven wheel 82, the driving wheel 81 is connected with a driving motor (not shown in the figure), and the driving motor is electrically connected with the controller 4. The controller 4 controls the driving motor to drive the driving wheel 81 to drive the driven wheel 82 to rotate, and the driven wheel 82 drives the base 1 to rotate, so that the soil square hopper 6 rotates.
In this embodiment, a guide rail 9 is arranged below the chassis 8, the guide rail 9 is laid on a construction site, a guide groove matched with the guide rail 9 is formed in the bottom of the chassis 8, and when the lifting device needs to be moved, the lifting device is pulled by the carrier to move to the next construction area along the guide rail 9.
The concrete use of the earthwork crane for subway construction of this embodiment is as follows: the lifting device is pulled by the carrier to move to a construction area along the guide rail 9, and a balancing weight is placed on the chassis 8 to ensure the stability of the chassis 8; the controller 4 controls the driving motor to drive the driving wheel 81 to rotate, and the driving wheel 81 drives the base 1 to rotate through the driven wheel 82 until the soil square bucket 6 on the base 1 reaches the upper part of the lifting area; controlling the electric cable reel 5 to lower the cable, enabling the earthwork bucket 6 to enter a hoisting area of the foundation pit, and filling earthwork into the earthwork bucket 6; controlling the electric cable disc 5 to wind the cable so as to lift the soil square bucket 6; the driving motor is started to drive the driving wheel 81 to rotate, and the driving wheel 81 drives the base 1 to rotate to the discharging area through the driven wheel 82; the controller 4 controls the electromagnet 65 to be electrified, the electromagnet 65 adsorbs the limiting rod 64, the limiting rod 64 is separated from the limiting pin 66 of the bottom cover 62, the limiting on the bottom cover 62 is lost, the electric elevator 67 is controlled to lower the lifting rope, the bottom cover 62 is opened downwards, and the earthwork unloading is realized; after the earthwork is unloaded, the electric hoist 67 is controlled to wind the lifting rope, so that the bottom cover 62 is closed upwards, the electromagnet 65 is powered off when the bottom cover 62 is completely contacted with the bottom of the earthwork bucket 6, the left end of the limiting rod 64 is bounced into the limiting pin 66 of the bottom cover 62 under the action of the spring 642 to limit the bottom cover 62, and the bottom cover 62 is kept closed; and continuously controlling the driving motor to drive the base 1 to rotate for next lifting.
The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions, improvements, etc. within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (4)
1. An earthwork lifting device for subway construction is characterized by comprising a base, a supporting rod arranged on the base and a cross beam arranged at the top end of the supporting rod, wherein the base is provided with a controller and an electric cable reel, two ends of the cross beam are respectively provided with a fixed pulley, a cable of the electric cable reel is connected with an earthwork bucket after being guided by the two fixed pulleys,
the earthwork bucket comprises a rectangular bucket body and a bottom cover arranged at the bottom of the bucket body, one side edge of the bottom cover is hinged with the bucket body, the outer side wall of the bucket body is provided with a limiting mechanism, the limiting mechanism comprises a limiting cylinder and a limiting rod, the limiting cylinder extends along the horizontal direction, the limiting cylinder is fixedly connected with the bucket body, the limiting rod penetrates through the limiting cylinder, the outer side wall of the bucket body is provided with an electromagnet, the electromagnet is positioned at one end of the limiting rod, a stop ring is arranged on the circumferential direction of the limiting rod, the stop ring is positioned on one side of the limiting cylinder, which is far away from the electromagnet, and a spring is arranged between the stop ring and one end of the limit cylinder, which is far away from the electromagnet, the spring is sleeved on the limit rod, a limit pin is arranged on the bottom cover, a limit hole is arranged on the limit pin, when the controller controls the electromagnet to be powered off, the spring is inserted into the limiting hole through the part of the limiting rod extruded by the stop ring, and the adsorption limiting rod is separated from the limiting hole when the controller controls the electromagnet to be electrified.
2. The earth handling device for subway construction as claimed in claim 1, wherein an electric hoist and a guide wheel are provided on the outer side wall of the bucket body away from the bottom cover hinged thereto, the guide wheel is provided at a position close to the bottom of the bucket body, the electric hoist is located above the guide wheel, the electric hoist is electrically connected to the controller, and a hoisting rope of the electric hoist is connected to the side of the bottom cover away from the bottom cover hinged thereto through the guide wheel.
3. An earth handling device for subway construction as claimed in claim 1 or 2, wherein a camera is provided on an outer peripheral surface of the bucket body.
4. An earth handling device for subway construction as claimed in claim 1 or 2, wherein a water pipe is provided on the base, a water pump is provided on the water pipe, and a shower head is provided at one end of the water pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122621838.0U CN216336255U (en) | 2021-10-29 | 2021-10-29 | Earthwork overhead hoist is used in subway construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122621838.0U CN216336255U (en) | 2021-10-29 | 2021-10-29 | Earthwork overhead hoist is used in subway construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216336255U true CN216336255U (en) | 2022-04-19 |
Family
ID=81130054
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122621838.0U Active CN216336255U (en) | 2021-10-29 | 2021-10-29 | Earthwork overhead hoist is used in subway construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216336255U (en) |
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2021
- 2021-10-29 CN CN202122621838.0U patent/CN216336255U/en active Active
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