CN112343320A - Combined working support - Google Patents

Combined working support Download PDF

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Publication number
CN112343320A
CN112343320A CN202011204355.4A CN202011204355A CN112343320A CN 112343320 A CN112343320 A CN 112343320A CN 202011204355 A CN202011204355 A CN 202011204355A CN 112343320 A CN112343320 A CN 112343320A
Authority
CN
China
Prior art keywords
support
working
platform
base
supporting
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202011204355.4A
Other languages
Chinese (zh)
Inventor
周继承
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangdong Power Grid Co Ltd
Dongguan Power Supply Bureau of Guangdong Power Grid Co Ltd
Original Assignee
Guangdong Power Grid Co Ltd
Dongguan Power Supply Bureau of Guangdong Power Grid Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Guangdong Power Grid Co Ltd, Dongguan Power Supply Bureau of Guangdong Power Grid Co Ltd filed Critical Guangdong Power Grid Co Ltd
Priority to CN202011204355.4A priority Critical patent/CN112343320A/en
Publication of CN112343320A publication Critical patent/CN112343320A/en
Pending legal-status Critical Current

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    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04GSCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G1/00Scaffolds primarily resting on the ground
    • E04G1/18Scaffolds primarily resting on the ground adjustable in height
    • E04G1/20Scaffolds comprising upright members and provision for supporting cross-members or platforms at different positions therealong
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04GSCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G1/00Scaffolds primarily resting on the ground
    • E04G1/24Scaffolds primarily resting on the ground comprising essentially special base constructions; comprising essentially special ground-engaging parts, e.g. inclined struts, wheels
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04GSCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G5/00Component parts or accessories for scaffolds
    • E04G5/14Railings
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04GSCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G5/00Component parts or accessories for scaffolds
    • E04G5/14Railings
    • E04G5/144Railings specific for the lateral, i.e. short side of a scaffold
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04GSCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G1/00Scaffolds primarily resting on the ground
    • E04G1/24Scaffolds primarily resting on the ground comprising essentially special base constructions; comprising essentially special ground-engaging parts, e.g. inclined struts, wheels
    • E04G2001/242Scaffolds movable on wheels or tracks

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Movable Scaffolding (AREA)

Abstract

The invention relates to the technical field of movable working supports, and particularly discloses a combined working support which comprises two working supports and a plurality of supporting rods, wherein each working support comprises a supporting component and a working platform, each working platform comprises a platform base, a plurality of clamping seats and a supporting plate, the platform base is fixedly connected with the supporting component, the plurality of clamping seats are arranged on the side wall of the platform base at intervals, the plurality of supporting rods are arranged between the two working supports, each supporting rod is clamped with the clamping seats on the two platform bases respectively, and each supporting plate is provided with a first state supported on the plurality of supporting rods and a second state attached to the surface of the platform base. The combined working support solves the problem that the working range of workers on the working support is small in the related art.

Description

Combined working support
Technical Field
The invention relates to the technical field of movable working supports, in particular to a combined working support.
Background
When in civil engineering, the method comprises brick laying and ash batching; electric installation operation, including indoor low-voltage apparatus equipment fixing, high-tension apparatus installation debugging etc. all need use the work support, current work platform working range is less, when meetting the great condition of working range, most work supports just no longer are suitable for, can only continue to work to the part outside the working range through the position that removes the work support, seriously influence staff's work efficiency like this, because work belongs to high altitude construction on the work support, so the working range undersize, the potential safety hazard also very easily appears in work to the staff.
Disclosure of Invention
The invention aims to: the utility model provides a combined type work support to solve the problem that the scope of work of staff on the work support is little among the relevant art.
The invention provides a combined type working support which comprises two working supports and a plurality of supporting rods, wherein each working support comprises a supporting component and a working platform, each working platform comprises a platform base, a plurality of clamping seats and a supporting plate, the platform base is fixedly connected with the supporting component, the plurality of clamping seats are arranged on the side wall of one side of the platform base at intervals, the plurality of supporting rods are arranged between the two working supports, each supporting rod is respectively clamped with the clamping seats on the two platform bases, and each supporting plate has a first state of being supported on the plurality of supporting rods and a second state of being attached to the surface of the platform base.
As the preferable technical scheme of the combined type working support, the supporting component comprises a plurality of lifting rods, and the lifting rods stretch and support the platform base along the vertical direction.
As a preferred technical scheme of the combined working support, the lifting rod comprises a movable support frame, a fixed support frame and pins, wherein the movable support frame is provided with a plurality of first pin holes at intervals along the vertical direction, the fixed support frame is provided with a plurality of second pin holes at intervals along the vertical direction, the movable support frame is inserted into the fixed support frame, and the pins are inserted into the first pin holes and the second pin holes which are opposite.
As the preferable technical scheme of the combined working support, the support assembly further comprises a reinforcing beam, and the reinforcing beam is connected between every two adjacent fixed support frames.
As the preferable technical scheme of the combined working support, the supporting component further comprises a supporting base, the supporting base is fixedly connected with the fixed supporting frame, and the supporting base supports the fixed supporting frame.
As the preferred technical scheme of the combined type working support, a plurality of universal wheels are uniformly distributed along the periphery of the supporting base.
As the preferable technical scheme of the combined type working support, the support base further comprises a plurality of support beams and support rods in threaded connection with the outer ends of the support beams.
As the preferable technical scheme of the combined type working support, the supporting plate is pivoted with the side wall of the platform base, which is provided with the clamping seat.
As the preferable technical scheme of the combined type working support, the working platform further comprises a plurality of fences, and the fences are arranged on the periphery of the platform base in an enclosing manner.
As a preferable technical scheme of the combined working support, the fence close to one end of the clamping seat is pivoted with one of the adjacent fences.
The invention has the beneficial effects that:
the invention provides a combined type working support which comprises two working supports and a plurality of supporting rods, wherein each working support comprises a supporting assembly and a working platform, each working platform comprises a platform base, a plurality of clamping seats and a supporting plate, the platform base is fixedly connected with the supporting assembly, the plurality of clamping seats are arranged on one side wall of the platform base at intervals, the plurality of supporting rods are arranged between the two working supports, each supporting rod is clamped with the clamping seats on the two platform bases respectively, and the supporting plates have a first state of being supported on the plurality of supporting rods and a second state of being attached to the surfaces of the platform bases. This combination formula work support at first will set up a plurality of bracing pieces between two work supports respectively with two work support on the relative cassette joint, then set up the backup pad on a plurality of bracing pieces, the staff alright carry out work in the backup pad this moment. Compared with a single working support, the two working supports are combined to greatly increase the working range of the working personnel, so that the problems that the working efficiency is low and potential safety hazards are very easy to occur due to the fact that the working range of the working personnel on the single working support is small, and the working personnel need to frequently move the single working support are reduced.
Drawings
FIG. 1 is a schematic structural view of a work support in an embodiment of the present invention;
FIG. 2 is a schematic top view of a working carriage according to an embodiment of the present invention;
FIG. 3 is a schematic structural view of a working combination support according to an embodiment of the present invention;
fig. 4 is a schematic top view of a working stand according to an embodiment of the present invention.
In the figure:
1. a working support; 11. an operation platform; 111. a platform base; 112. a support plate; 113. a card holder; 114. a fence;
12. a support assembly; 121. a lifting rod; 1211. a movable support frame; 1212. fixing a support frame; 1213. a pin; 1214. a reinforcing beam; 122. a support base; 1221. a universal wheel; 1222. a support beam; 1223. a strut;
2. a support rod.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. 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.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Where the terms "first position" and "second position" are two different positions, and where a first feature is "over", "above" and "on" a second feature, it is intended that the first feature is directly over and obliquely above the second feature, or simply means that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; 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 in specific cases to those skilled in the art.
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
Example one
As shown in fig. 1 to 4, this embodiment provides a combined working bracket, this combined working bracket includes two working brackets 1 and a plurality of support rods 2, working bracket 1 includes supporting component 12 and working platform 11, working platform 11 includes platform base 111, a plurality of cassettes 113 and backup pad 112, platform base 111 and supporting component 12 fixed connection, a plurality of cassettes 113 intervals set up in a lateral wall of platform base 111, a plurality of support rods 2 set up between two working brackets 1, every support rod 2 respectively with two cassettes 113 joints on the platform base 111, backup pad 112 has the first state that supports in a plurality of support rods 2, and laminate in the second state on platform base 111 surface. This combination formula work support at first will set up a plurality of bracing pieces 2 between two work supports 1 respectively with two work supports 1 on relative cassette 113 joint, then set up backup pad 112 on a plurality of bracing pieces 2, the staff alright work in backup pad 112 this moment. Compare in single work support 1, two work supports 1 make up increase staff's working range by a wide margin, reduce the staff and work because working range is little on single work support 1, the staff need frequent move single work support 1 and the problem of the work efficiency end that brings, very easily the potential safety hazard appears. In this embodiment, after the two supporting plates 112 are respectively supported by the supporting rod 2, two opposite sidewalls of the two supporting plates 112 are attached to each other. In this embodiment, the work platform 11 is a rectangular body.
Optionally, the supporting assembly 12 includes a plurality of lifting rods 121, and the plurality of lifting rods 121 extend and contract in the vertical direction and support the platform base 111. Specifically, the lifting rod 121 supports the platform base 111 and drives the platform base 111 to move up and down, so that operations at different heights can be realized. In this embodiment, the number of the lift pins 121 is four.
Preferably, the lifting rod 121 includes a movable support 1211, a fixed support 1212, and pins 1213, wherein the movable support 1211 is provided with a plurality of first pin holes at intervals along the vertical direction, the fixed support 1212 is provided with a plurality of second pin holes at intervals along the vertical direction, the movable support 1211 is inserted into the fixed support 1212, and the pins 1213 are inserted into the first pin holes and the second pin holes which are opposite to each other. In this embodiment, when the height of the platform base 111 needs to be adjusted, the platform base 111 is adjusted to a proper height, the pins 1213 are inserted into the first pin holes and the second pin holes that are opposite to each other, if the first pin holes and the second pin holes that are opposite to each other do not exist, the positions of the fixed support frame 1212 and the movable support frame 1211 are properly adjusted, and the pins 1213 are inserted into the first pin holes and the second pin holes after the first pin holes and the second pin holes that are opposite to each other are found.
Optionally, the support assembly 12 further includes a reinforcing beam 1214, and the reinforcing beam 1214 is connected between two adjacent fixing support frames 1212. In this embodiment, one or more reinforcing beams 1214 connected between two adjacent fixing support frames 1212 may be provided, and if a plurality of reinforcing beams 1214 are provided, the reinforcing beams 1214 are spaced apart from each other.
Optionally, the supporting assembly 12 further includes a supporting base 122, the supporting base 122 is fixedly connected to the fixing supporting frame 1212, and the supporting base 122 supports the fixing supporting frame 1212. In this embodiment, the supporting base 122 is welded to the fixing supporting frame 1212. In other embodiments, the supporting base 122 and the fixing support frame 1212 may be screwed or plugged together. In the present embodiment, the supporting base 122 is a rectangular body.
Optionally, a plurality of universal wheels 1221 are uniformly arranged along the periphery of the supporting base (122). In this embodiment, set up the removal that universal wheel 1221 made things convenient for work support 1, specifically, the number of universal wheel 1221 is 3 at least, and preferentially to supporting base 122 periphery equipartition, and the preferred number of universal wheel 1221 is the same with the number of lifter 121, and in this embodiment, the number of universal wheel 1221 is 4, and distributes in the position at four angles of rectangle support base 122.
Optionally, the support base 122 further comprises a plurality of support beams 1222, and a rod 1223 threaded to the outer end of the support beams 1222, the rod 1223 being adapted to be supported on the ground. In this embodiment, after the working bracket 1 is moved to the working position, the support rods 1223 disposed on the support beam 1222 are screwed until the support rods 1223 abut against the ground and support the universal wheels 1221, so that the support beam 1222 and the support rods 1223 extending outward from the support base 122 can enhance the stability of the support base 122, and at the same time, can protect the universal wheels 1221. Specifically, the number of the support beams 1222 and the struts 1223 is at least 3. Preferably, the number of the support beams 1222 and the support rods 1223 is the same as that of the lifting rods 121, and specifically, the number of the support beams 1222 and the number of the support rods 1223 are both 4 in this embodiment.
Optionally, the supporting plate 112 is pivotally connected to a sidewall of the platform base 111 where the clamping seat 113 is disposed. In this embodiment, the supporting plate 112 and the platform base 111 are pivotally connected to the side wall of the clamping seat 113, at this time, the supporting plate 112 has a first state supported by the plurality of supporting rods 2 and a second state attached to the surface of the platform base 111, and when two working brackets 1 are assembled, the operation of the worker is convenient.
Optionally, the work platform 11 further includes a plurality of fences 114, and the plurality of fences 114 are disposed around the periphery of the platform base 111. In this embodiment, the fences 114 are used to prevent workers from falling off the work platform 11, and the number of the fences 114 is equal to the number of the sidewalls of the work platform 11. In this embodiment, the number of pens 114 is 4.
Optionally, the rail 114 near one end of the card slot 113 is pivotally connected to one of the adjacent rails 114. The purpose of pivotally connecting the rail 114 near one end of the clamping seat 113 with one of the adjacent rails 114 is to facilitate the worker to get on or off the work platform 11, and the purpose of the openable connection between the rail 114 near one end of the clamping seat 113 and one of the adjacent rails 114 is to prevent the interference between the supporting plate 112 and the switching between the first state and the second state.
Example two
The difference between the first embodiment and the second embodiment is that a plurality of clamping seats 113 are disposed on other side walls of two platform bases 111 at intervals, a plurality of support rods 2 are disposed between the side walls of any two opposite platform bases 111, the plurality of support rods 2 are clamped with the clamping seats 113 on the two opposite side walls, and the support plate 112 is detachably connected with the platform bases 111.
It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims (10)

1. A combined working bracket is characterized in that the combined working bracket comprises two working brackets (1) and a plurality of supporting rods (2), the working support (1) comprises a support component (12) and a working platform (11), the operation platform (11) comprises a platform base (111), a plurality of clamping seats (113) and a supporting plate (112), the platform base (111) is fixedly connected with the supporting component (12), a plurality of clamping seats (113) are arranged on one side wall of the platform base (111) at intervals, a plurality of supporting rods (2) are arranged between the two working supports (1), each supporting rod (2) is respectively clamped with the clamping seats (113) on the two platform bases (111), the supporting plate (112) has a first state of being supported on the plurality of supporting rods (2) and a second state of being attached to the surface of the platform base (111).
2. Modular working stand according to claim 1, characterized in that the support assembly (12) comprises a number of lifting rods (121), which lifting rods (121) telescope in a vertical direction and support the platform base (111).
3. The work stand of claim 2, wherein the lift rod (121) comprises a movable support (1211), a fixed support (1212), and pins (1213), wherein the movable support (1211) has a plurality of first pin holes spaced apart from each other in a vertical direction, the fixed support (1212) has a plurality of second pin holes spaced apart from each other in a vertical direction, the movable support (1211) is inserted into the fixed support (1212), and the pins (1213) are inserted into the first pin holes and the second pin holes.
4. A modular work stand according to claim 3, characterised in that the support assembly (12) further comprises a reinforcing beam (1214), the reinforcing beam (1214) being connected between two adjacent stationary support frames (1212).
5. The modular work stand of claim 3, wherein the support assembly (12) further comprises a support base (122), the support base (122) is fixedly connected to the fixed support frame (1212), and the support base (122) supports the fixed support frame (1212).
6. Combined working stand according to claim 5, characterized in that a number of universal wheels (1221) are evenly arranged along the circumference of the support base (122).
7. Combined working stand according to claim 5, characterized in that the support base (122) further comprises a number of support beams (1222), and a support bar (1223) threaded to the outer end of the support beams (1222), the support bar (1223) being intended to be supported on the ground.
8. Combined working stand according to claim 1, characterized in that the support plate (112) is pivoted to the side wall of the platform base (111) where the clamping seat (113) is provided.
9. A modular work stand according to claim 1, characterised in that the work platform (11) further comprises a number of rails (114), the number of rails (114) being arranged around the periphery of the platform base (111).
10. A modular work stand according to claim 9, wherein the rail (114) adjacent one end of the receptacle (113) is pivotally connected to an adjacent one of the rails (114).
CN202011204355.4A 2020-11-02 2020-11-02 Combined working support Pending CN112343320A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011204355.4A CN112343320A (en) 2020-11-02 2020-11-02 Combined working support

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011204355.4A CN112343320A (en) 2020-11-02 2020-11-02 Combined working support

Publications (1)

Publication Number Publication Date
CN112343320A true CN112343320A (en) 2021-02-09

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CN202011204355.4A Pending CN112343320A (en) 2020-11-02 2020-11-02 Combined working support

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CN (1) CN112343320A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113006444A (en) * 2021-03-08 2021-06-22 中铁北京工程局集团有限公司 Lifting operation device for railway bridge tunnel construction

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWM333448U (en) * 2007-09-27 2008-06-01 Jian-Zhong Zhang Improved assembly structure of supporting frames
US20100084222A1 (en) * 2006-12-13 2010-04-08 Lewis Roy Cleveland Scaffolding systems
CN208734034U (en) * 2018-07-13 2019-04-12 浙江尚都装饰工程有限公司 Multifunctional decoration construction bracket
CN210505470U (en) * 2019-08-30 2020-05-12 济阳东方液压机械有限公司 Aluminum alloy formula lift platform

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100084222A1 (en) * 2006-12-13 2010-04-08 Lewis Roy Cleveland Scaffolding systems
TWM333448U (en) * 2007-09-27 2008-06-01 Jian-Zhong Zhang Improved assembly structure of supporting frames
CN208734034U (en) * 2018-07-13 2019-04-12 浙江尚都装饰工程有限公司 Multifunctional decoration construction bracket
CN210505470U (en) * 2019-08-30 2020-05-12 济阳东方液压机械有限公司 Aluminum alloy formula lift platform

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
全国安全生产教育培训教材编审委员会: "《高处安装、维护、拆装作业》", 31 August 2015, 中国矿业大学出版社 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113006444A (en) * 2021-03-08 2021-06-22 中铁北京工程局集团有限公司 Lifting operation device for railway bridge tunnel construction

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Application publication date: 20210209

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