CN114633058B - Gravity type conveying and lifting material processing platform and construction method thereof - Google Patents

Gravity type conveying and lifting material processing platform and construction method thereof Download PDF

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Publication number
CN114633058B
CN114633058B CN202111580627.5A CN202111580627A CN114633058B CN 114633058 B CN114633058 B CN 114633058B CN 202111580627 A CN202111580627 A CN 202111580627A CN 114633058 B CN114633058 B CN 114633058B
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processed
finished product
steel reinforcement
finished
reinforcement cage
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CN114633058A (en
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张宝
苏宪新
袁海天
雷亮
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China Construction Second Engineering Bureau Co Ltd
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China Construction Second Engineering Bureau Co Ltd
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K37/00Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
    • B23K37/04Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
    • B23K37/0461Welding tables
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66FHOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F7/00Lifting frames, e.g. for lifting vehicles; Platform lifts
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66FHOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F7/00Lifting frames, e.g. for lifting vehicles; Platform lifts
    • B66F7/28Constructional details, e.g. end stops, pivoting supporting members, sliding runners adjustable to load dimensions

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Structural Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Wire Processing (AREA)
  • Conveying And Assembling Of Building Elements In Situ (AREA)

Abstract

The invention provides a gravity type conveying and lifting material processing platform and a construction method, wherein the platform comprises a material lifting mechanism 1, a driven wheel 2, a transmission mechanism 3, a finished product capturing mechanism 4, an operation platform 5, a material receiving mechanism 6 and a square steel fixing support 7, an operator welds and processes material steel bars to be processed into a finished product steel bar cage 9 on the operation platform 5, and rolls the finished product steel bar cage 9 on the operation platform 5, wherein the finished product capturing mechanism 4 converts gravitational potential energy in the process of rolling the finished product steel bar cage 9 on the ground into lifting kinetic energy of the material lifting mechanism 1, and then stably lifts the material steel bars to be processed to the processing platform 5.

Description

Gravity type conveying and lifting material processing platform and construction method thereof
Technical Field
The invention relates to a material lifting device, belongs to the field of material lifting, and particularly relates to a gravity type conveying and lifting material processing platform and a construction method thereof.
Background
With the green low-carbon requirements of the building industry, the reduction of energy consumption in the modern construction process is an important development goal. At present, in the welding processing process of the material reinforcing steel bars to be processed, operators firstly need to carry the material reinforcing steel bars to be processed to a processing platform, a processed finished product reinforcing steel bar cage is obtained after the welding work is completed, and meanwhile, the material reinforcing steel bars to be processed need to be carried to the ground for storage through manpower or a driving electric carrier, so that feeding and discharging are very inconvenient. The traditional mode processing platform has the following defects:
(1) Only has processing property, and does not have the functions of conveying and lifting materials;
(2) The labor intensity of workers is increased by feeding the material to be processed and discharging the finished product to be processed by manpower; and the electric carrier is driven to feed the material to be processed, and the finished product to be processed is fed, so that the production of the finished product is increased, and meanwhile, the energy waste is caused.
Disclosure of Invention
In order to solve the problems, the invention is realized by the following technical scheme: according to the gravity type conveying lifting material processing platform provided by the invention, after an operator processes materials into finished products on the processing platform, under the condition of no traditional energy supply, the gravity energy of the processed finished products is converted into the lifting kinetic energy of the lifting materials, so that the processed finished products are stably conveyed to the ground and simultaneously the processed materials are automatically lifted to the processing operation platform, the labor intensity of the operator for conveying the materials to be processed and the processed finished products is reduced, and the energy consumption is also saved.
In a preferred embodiment, the invention provides a gravity feed lifting material processing platform which comprises a material lifting mechanism 1, a driven wheel 2, a conducting mechanism 3, a finished product capturing mechanism 4, a working platform 5, a material receiving mechanism 6 and a square steel fixing bracket 7. The bottom of the operation platform 5 is fixedly connected with the square steel fixing brackets 7, the operation platform 5 is supported by four square steel fixing brackets 7, and the four square steel fixing brackets 7 are respectively positioned at four corners of the operation platform 5. The left side and the right side of the working platform 5 are both in sliding connection with the material lifting mechanism 1, the left side and the right side of the working platform 5 are fixedly and movably connected with the driven wheel 2 and the finished product capturing mechanism 4, and the driven wheel 2 and the finished product capturing mechanism 4 are in transmission connection through the transmission mechanism 3; the material lifting mechanism 1 comprises racks 11, material supporting plates 12 and supporting columns 13, wherein the bottoms of the supporting columns 13 are fixedly connected with the material supporting plates 12, the platform is provided with two material lifting mechanisms 1, the racks 11 are arranged on the same sides of the two supporting columns 13, the material supporting plates 12 are fixedly arranged on the same sides of the bottoms of the two supporting columns 13, and the two material lifting mechanisms are in sliding connection with the side surfaces of the working platform 5 through the supporting columns 13; a material receiving mechanism 6 is arranged on the front side of the working platform 5, and the material receiving mechanism 6 comprises a material rotating hinge 61 and a material receiving plate 62, wherein the material receiving plate 62 is rotatably connected with the front side of the working platform 5 through the rotating hinge 61. The driven wheel 2 is fixedly connected with a gear 21, a notch 22 is arranged on the gear 21, the corresponding central angle of the notch 22 is 110 degrees, and the gear 21 is meshed with the rack 11 for transmission; the finished product capturing mechanism 4 comprises a driving wheel 41 and a finished product capturing hand 42, a plurality of finished product capturing hands 42 are arranged in the radial direction of the driving wheel 41, the finished product capturing mechanism 4 is correspondingly arranged with the driven wheel 2, and the driving wheel 41 is in transmission connection with the corresponding driven wheel 2 through the transmission mechanism 3.
The lifting system consisting of 4, 2 and 1 can restore to the original position by itself after lifting. The design of a driving wheel (4) and a driving wheel (2) which can be released from control, the gear range of the driving wheel (2) which can be released from control relates to a calculation model, and the calculation model is as follows:
radius of driving wheel (2) capable of being released control/radius of driving wheel (4) =180 °/110°
Material pallet (1.2) elevation x= (110 °/180 °). Pi./
In a preferred embodiment, the conductive means 3 is a conductive chain or belt.
In a preferred embodiment, a non-slip structure or mat is provided on the upper surfaces of the material receiving plate 62 and the material pallet 12.
In a preferred embodiment, the present invention provides a gravity feed lift material construction method comprising the steps of:
s1, machining a finished steel reinforcement cage 9, and welding and machining material steel reinforcement to be machined into the finished steel reinforcement cage 9;
step S2, preparing a material steel bar to be processed, and placing the material steel bar to be processed on a material supporting plate 12;
step S3, pushing the finished steel reinforcement cage 9 to roll on the processing platform 5 until the steel reinforcement cage falls on the ground, wherein the finished steel reinforcement cage 9 always keeps contact with the finished catch hand 42 in the rolling process, and after the finished steel reinforcement cage 9 falls on the ground, the steel reinforcement of the material to be processed is lifted to the processing platform 5;
and S4, circulating the steps 2-3 to realize that the finished steel reinforcement cage 9 stably falls to the ground and the steel reinforcement of the material to be processed stably rises to the processing platform 5.
The technical scheme of the invention has the following beneficial technical effects:
1. the gravity type conveying and lifting material processing platform provided by the invention comprises a gravity type conveying mechanism, and the gravity type conveying mechanism is used for converting the gravitational potential energy of a processed finished product into the lifting kinetic energy of a lifting material, so that the processed finished product is stably conveyed to the ground and simultaneously the processed material is automatically lifted to a processing operation platform. On the one hand, the mechanism is not provided with a driving part, so that external energy sources are not required to be consumed; on the other hand, the processing platform has the advantages of simple structure, low processing cost and convenient maintenance.
2. The invention provides a gear with a notch, which can release the constraint on a material lifting device after rotation is completed, so that the material lifting device can freely fall back to the ground for loading by means of gravity.
Drawings
FIG. 1 is a schematic structural diagram of a gravity-fed lift-material processing platform according to an embodiment of the present invention;
fig. 2 is a working state of the reinforcement cage according to the embodiment of the present invention when the reinforcement cage is pushed forward to a finished product capturing hand;
fig. 3 is a working state of the reinforcement cage according to the embodiment of the present invention when the reinforcement cage moves downward due to gravity;
fig. 4 shows a working state of the material lifting frame according to the embodiment of the present invention when the material lifting frame falls back to the ground.
In the accompanying drawings: 1-material lifting mechanism, 11-rack, 12-material supporting plate, 13-pillar, 2-driven wheel, 21-gear, 22-notch, 3-conduction mechanism, 4-finished product capturing mechanism, 41-driving wheel, 42-finished product capturing hand, 5-operation platform, 6-material receiving mechanism, 61-rotary hinge, 62-material receiving plate, 7-square steel fixed support, 8-steel bar and 9-finished product steel bar cage.
Detailed Description
The following describes the embodiments of the present invention further with reference to the drawings.
Referring to fig. 1-4, the invention provides a gravity type conveying and lifting material processing platform, which comprises a material lifting mechanism 1, a driven wheel 2, a conducting mechanism 3, a finished product capturing mechanism 4, a working platform 5, a material receiving mechanism 6 and a square steel fixing bracket 7. The bottom of the operation platform 5 is fixedly connected with square steel fixing brackets 7, the operation platform 5 is supported by four square steel fixing brackets 7, and the four square steel fixing brackets 7 are respectively positioned at four corners of the operation platform 5. The left side and the right side of the operation platform 5 are both slidably connected with a material lifting mechanism 1, the left side and the right side of the operation platform 5 are fixedly and movably connected with a driven wheel 2 and a finished product capturing mechanism 4, and the driven wheel 2 and the finished product capturing mechanism 4 are in transmission connection through a transmission mechanism 3; the material lifting mechanism 1 comprises racks 11, material supporting plates 12 and supporting columns 13, wherein the bottoms of the supporting columns 13 are fixedly connected with the material supporting plates 12, the platform is provided with two material lifting mechanisms 1, the racks 11 are arranged on the same sides of the two supporting columns 13, the bottoms of the two supporting columns 13 are fixedly provided with the material supporting plates 12 on the same sides, and the material lifting mechanisms are in sliding connection with the side surfaces of the operation platform 5 through the supporting columns 13; a material receiving mechanism 6 is arranged on the front side of the working platform 5, and the material receiving mechanism 6 comprises a material rotating hinge 61 and a material receiving plate 62, wherein the material receiving plate 62 is rotationally connected with the front side of the working platform 5 through the rotating hinge 61. The driven wheel 2 is fixedly connected with a gear 21, a notch 22 is arranged on the gear 21, the corresponding central angle of the notch 22 is 110 degrees, and the gear 21 is meshed with the rack 11 for transmission; the finished product capturing mechanism 4 comprises a driving wheel 41 and a finished product capturing hand 42, a plurality of finished product capturing hands 42 are arranged in the radial direction of the driving wheel 41, the finished product capturing mechanism 4 is correspondingly arranged with the driven wheel 2, and the driving wheel 41 is in transmission connection with the corresponding driven wheel 2 through the transmission mechanism 3.
In one embodiment of the invention, an operator welds and processes the steel bars 7 into a finished steel bar cage 9 on the processing platform 5, in order to convey the finished steel bar cage 9 to the ground, the operator pushes the finished steel bar cage 9 to roll on the processing platform 5, and the finished steel bar cage 9 keeps contact with the finished product capturing hand 42, so that the finished product capturing hand 42 is driven to rotate during the rolling process of the finished steel bar cage 9, and the finished product capturing hand 42 drives the driving wheel 41 to rotate, so that the rolling force of the finished steel bar cage 9 is converted into the driving force of the driving wheel 41. The driving wheel 41 drives the driven wheel 2 to rotate through the transmission mechanism 3, the gear 21 on the driven wheel 2 is meshed with the rack 11, and when the gear 21 rotates, the support column 13 fixedly connected with the rack 11 can be driven to perform ascending motion, so that the material steel bars to be processed placed on the material supporting plate 12 are lifted upwards, namely in the whole process, on one hand, the gravitational potential energy of the finished steel bar cage 9 is converted into the motion energy of the driving wheel 4, and then the material steel bars to be processed are lifted to the processing platform 5 from the ground; on the other hand, the mechanical balance between the finished steel bar cage 9 and the material steel bar to be processed is realized, and then the smooth falling of the finished steel bar cage 9 to the ground can be finally realized, and the material steel bar to be processed is lifted to the processing platform 5. The device not only saves energy consumption, but also reduces manual labor.
As a preferred embodiment of the present invention, the conducting mechanism 3 is a conducting chain or a conducting belt, so that on one hand, the driving wheel 41 and the driven wheel 2 can be driven remotely; on the other hand, the adjustment is convenient to adapt to the processing platform 5 with different sizes;
as a preferred embodiment of the invention, the gear 21 is provided with a notch structure 22, the central angle of the notch structure is 110 degrees, when the finished steel reinforcement cage 9 steadily falls to the ground, the steel reinforcement to be processed is lifted to the highest point, the gear 21 rotates to the notch position, the gear 21 is disengaged from the rack 11, and the upright 13 descends to be in contact with the ground under the action of gravity, so that the next working cycle is ready.
As a preferred embodiment of the invention, a material receiving mechanism 6 is arranged on the front side of the working platform 5, the material receiving mechanism 6 comprises a material rotating hinge 61 and a material receiving plate 62, wherein the material receiving plate 62 is rotationally connected with the front side of the working platform 5 through the rotating hinge 61, and the material steel bars to be processed are lifted upwards under the supporting action of the material supporting plate 12. When the material steel bar to be processed is in contact with the lower surface of the material receiving plate 62, the material receiving plate 62 can rotate upwards under the action of the rotary hinge 61 so as not to block the rising movement of the material steel bar to be processed; when the material steel bar to be processed moves to the highest point, the material receiving plate 62 is not in contact with the material steel bar to be processed, and is restored to a horizontal state under the action of gravity, so that the material receiving plate 62 supports the material steel bar to be processed in the falling process of the material supporting plate 12, and the feeding process of the material to be processed is realized.
As a preferred embodiment of the present invention, the upper surfaces of the material receiving plate 62 and the material supporting plate 12 may be provided with a slip-resistant structure or a slip-resistant pad, thereby achieving stable support of the reinforcing bars of the material to be processed.
As shown in fig. 2-4, on the basis of embodiment 1, the embodiment of the invention also provides a construction method for gravity conveying of lifting materials,
s1, machining a finished steel reinforcement cage 9, and welding and machining material steel reinforcement to be machined into the finished steel reinforcement cage 9;
step S2, preparing a material steel bar to be processed, and placing the material steel bar to be processed on a material supporting plate 12;
step S3, pushing the finished steel reinforcement cage 9 to roll on the processing platform 5 until the steel reinforcement cage falls on the ground, wherein the finished steel reinforcement cage 9 always keeps contact with the finished catch hand 42 in the rolling process, and after the finished steel reinforcement cage 9 falls on the ground, the steel reinforcement of the material to be processed is lifted to the processing platform 5, and the step comprises the following steps:
step S31, converting gravitational potential energy of a finished steel reinforcement cage 9 into material lifting power, pushing the finished steel reinforcement cage 9 to roll on a processing platform 5, keeping the finished steel reinforcement cage 9 in contact with a finished catch hand 42 all the time in the rolling process, driving the finished catch hand 42 to rotate in the rolling process of the finished steel reinforcement cage 9, driving a driving wheel 41 to rotate by the finished catch hand 42, driving a driven wheel 2 to rotate by the driving wheel 41 through a transmission mechanism 3, meshing a gear 21 on the driven wheel 2 with a rack 11, driving a support column 13 to perform lifting motion when the gear 21 rotates, and further lifting a material steel bar to be processed, which is placed on a material supporting plate 12 upwards;
step S32, feeding the material receiving plate 62, placing the material steel bars to be processed on the material supporting plate 12, wherein the material steel bars to be processed firstly contact with the lower surface of the material receiving plate 62 in the process that the upright posts 13 drive the material supporting plate 12 to move upwards, and the material receiving plate 62 rotates upwards under the action of the rotary hinge 61 so as not to block the lifting movement of the material steel bars to be processed; when the material steel bar to be processed moves to the highest point, the material receiving plate 62 is not in contact with the material steel bar to be processed, and returns to the horizontal state under the action of gravity, so that the material receiving plate 62 supports the material steel bar to be processed in the falling process of the material supporting plate 12, and the feeding process of the material to be processed is realized.
In step S33, the material supporting plate 12 falls back to the ground, the gear 21 is provided with a notch structure 22 with a corresponding central angle of 110 degrees, when the finished steel reinforcement cage 9 steadily falls to the ground, the material steel reinforcement to be processed is lifted to the highest point at the moment, the gear 21 rotates to the notch position, the gear 21 is disengaged from the rack 11, and the upright post 13 descends to be in contact with the ground under the action of gravity, so that preparation is made for the next working cycle.
And S4, circulating the steps 2-3 to realize that the finished steel reinforcement cage 9 stably falls to the ground and the steel reinforcement of the material to be processed stably rises to the processing platform 5.
It will be apparent to those skilled in the art that various modifications and variations can be made to the present invention without departing from the spirit or scope of the invention. Thus, it is intended that the present invention also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof. The above embodiments are merely illustrative of the present invention, and the present invention may be embodied in other specific forms or with other specific forms without departing from the spirit or essential characteristics thereof. The described embodiments are, therefore, to be considered in all respects as illustrative and not restrictive. The scope of the invention should be indicated by the appended claims, and any changes that are equivalent to the intent and scope of the claims are intended to be encompassed within the scope of the invention.

Claims (7)

1. The gravity type conveying and lifting material processing platform is characterized by comprising a material lifting mechanism (1), a driven wheel (2), a conducting mechanism (3), a finished product capturing mechanism (4), a working platform (5), a material receiving mechanism (6) and a square steel fixing support (7), wherein the bottom of the working platform (5) is fixedly connected with the square steel fixing support (7), the left side and the right side of the working platform (5) are both in sliding connection with the material lifting mechanism (1), the left side and the right side of the working platform (5) are both fixedly connected with the driven wheel (2) and the finished product capturing mechanism (4), and the driven wheel (2) and the finished product capturing mechanism (4) are in transmission connection through the conducting mechanism (3); wherein,,
the material lifting mechanism (1) comprises a rack (11), a material supporting plate (12) and a supporting column (13), wherein the bottom of the supporting column (13) is fixedly connected with the material supporting plate (12), the side surface of the supporting column (13) is fixedly connected with the rack (11), and the supporting column (13) is in sliding connection with the side surface of the working platform (5);
a gear (21) is fixedly connected to the driven wheel (2), and the gear (21) is meshed with the rack (11) for transmission;
the finished product capturing mechanism (4) comprises a driving wheel (41) and finished product capturing hands (42), a plurality of finished product capturing hands (42) are arranged in the radial direction of the driving wheel (41), the finished product capturing mechanism (4) and the driven wheel (2) are correspondingly arranged, and the driving wheel (41) is in transmission connection with the corresponding driven wheel (2) through the transmission mechanism (3);
a notch (22) is arranged on the gear (21), and the corresponding central angle of the notch (22) is 110 degrees; the front side of the operation platform (5) is provided with a material receiving mechanism (6), the material receiving mechanism (6) comprises a material rotating hinge (61) and a material receiving plate (62), and the material receiving plate (62) is rotationally connected with the front side of the operation platform (5) through the rotating hinge (61).
2. A processing platform according to claim 1, characterized in that the conducting means (3) is a conducting chain or a conducting belt.
3. A processing platform according to claim 2, characterized in that anti-slip structures are provided on the upper surfaces of the material receiving plate (62) and the material pallet (12).
4. A processing platform according to claim 3, characterized in that the work platform (5) is supported by four square steel fixing brackets (7), and the four square steel fixing brackets (7) are respectively located at four corners of the work platform (5).
5. A processing platform according to claim 4, characterized in that the rack (11) is arranged on the same side of two of the support posts (13), and the material pallet (12) is fixedly arranged on the same side of the bottom of the two support posts (13).
6. A gravity feed lifting material construction method for a processing platform according to any of claims 1-5, the method comprising the steps of:
s1, machining a finished steel reinforcement cage (9), and welding and machining material steel reinforcement (8) to be machined into the finished steel reinforcement cage (9);
s2, preparing material steel bars (8) to be processed, and placing the material steel bars (8) to be processed on a material supporting plate (12);
step S3, pushing the finished steel reinforcement cage (9) to roll on the operation platform (5) until the steel reinforcement cage falls to the ground, wherein the finished steel reinforcement cage (9) is always kept in contact with a finished product capturing hand (42) in the rolling process, and after the finished steel reinforcement cage (9) falls to the ground, the material steel reinforcement (8) to be processed is lifted to the operation platform (5);
and S4, circulating the steps 2-3 to realize that the finished steel reinforcement cage (9) steadily falls to the ground and the material steel reinforcement (8) to be processed steadily lifts to the operation platform (5).
7. The method according to claim 6, further comprising, in the step S3:
step S31, converting gravitational potential energy of the finished steel reinforcement cage (9) into material lifting kinetic energy, pushing the finished steel reinforcement cage (9) to roll on the operation platform (5), keeping the finished steel reinforcement cage (9) in contact with the finished product capturing hand (42) all the time in the rolling process, driving the finished product capturing hand (42) to rotate in the rolling process of the finished steel reinforcement cage (9), driving the driving wheel (41) to rotate by the finished product capturing hand (42), driving the driven wheel (2) to rotate by the driving wheel (41) through the transmission mechanism (3), meshing a gear (21) on the driven wheel (2) with a rack (11), and driving a support column (13) to perform lifting motion when the gear (21) rotates, so as to lift the material steel reinforcement (8) to be processed, which is placed on the material support plate (12), upwards;
step S32, feeding a material receiving plate (62), wherein the material to be processed reinforcing steel bars (8) are placed on a material supporting plate (12), and in the process that the supporting column (13) drives the material supporting plate (12) to move upwards, the material to be processed reinforcing steel bars (8) are firstly contacted with the lower surface of the material receiving plate (62), and the material receiving plate (62) rotates upwards under the action of a rotary hinge (61) so as not to block the lifting movement of the material to be processed reinforcing steel bars (8); when the material steel bar (8) to be processed moves to the highest point, the material receiving plate (62) is not in contact with the material steel bar (8) to be processed, the material receiving plate (62) is restored to a horizontal state under the action of gravity, and then the material steel bar (8) to be processed is placed on the material receiving plate (62) to realize feeding in the process that the material supporting plate (12) drives the material steel bar (8) to be processed to fall back;
and S33, the material supporting plate (12) falls back to the ground, a notch (22) is arranged on the gear (21), the corresponding central angle of the notch (22) is 110 degrees, when the finished steel reinforcement cage (9) steadily falls to the ground, the material steel reinforcement (8) to be processed is lifted to the highest point, the gear (21) rotates to the position of the notch (22), the gear (21) is disengaged from the rack (11), and the material supporting plate (12) descends to be in contact with the ground under the action of gravity, so that preparation is made for the next working cycle.
CN202111580627.5A 2021-12-22 2021-12-22 Gravity type conveying and lifting material processing platform and construction method thereof Active CN114633058B (en)

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CN114633058B true CN114633058B (en) 2023-07-21

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CN211419464U (en) * 2019-12-26 2020-09-04 欧仓智能科技(上海)有限公司 Reciprocating type elevator
CN111992926B (en) * 2020-07-30 2023-05-26 湖南固城工程科技有限公司 Full-automatic reinforcement cage welding method
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JP2013177242A (en) * 2012-02-01 2013-09-09 Kazunori Fukuzoe Plate carry-in/carry-out rack device

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