CN203361631U - Variable-diameter fabricated sliding mode platform of sliding mode system - Google Patents
Variable-diameter fabricated sliding mode platform of sliding mode system Download PDFInfo
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- CN203361631U CN203361631U CN 201320454976 CN201320454976U CN203361631U CN 203361631 U CN203361631 U CN 203361631U CN 201320454976 CN201320454976 CN 201320454976 CN 201320454976 U CN201320454976 U CN 201320454976U CN 203361631 U CN203361631 U CN 203361631U
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Abstract
The utility model discloses a variable-diameter fabricated sliding mode platform of a sliding mode system, belonging to the field of a sliding mode project. The variable-diameter fabricated sliding mode platform comprises a center steel ring component, a fixed-diameter radiation beam truss component and a variable-diameter radiation beam truss component, wherein the fixed-diameter radiation beam truss component comprises a fixed-diameter upper chord, a lower chord, a first diagonal web member, a second diagonal web member, a first vertical rod, a second vertical rod, an end diagonal web connecting rod and a diagonal web connecting rod; the fixed-diameter upper chord and the lower chord are arranged up and down in parallel; the right ends of the fixed-diameter upper chord and the lower chord are respectively connected with the periphery of a center steel ring truss by a bolt; the fixed-diameter radiation beam truss component arranged at the periphery of the center steel ring truss is arranged in a radiation form; the variable-diameter radiation beam truss component comprises a variable-diameter upper chord, a variable-diameter vertical rod, a variable-diameter end diagonal web member and a variable-diameter diagonal web member; the variable-diameter radiation beam truss component is connected at the outer side of the fixed-diameter radiation beam truss component. The diameter of the sliding mode platform can be increased or reduced by changing the variable-diameter radiation beam truss component.
Description
Technical field
The utility model relates to slip form work servicing unit technical field, more particularly, relates to a kind of sliding mode system reducing assembling slip form platform.
Background technology
The slip form work technology is that China's Cast-in-situ Concrete Structural Engineering construction machinery degree is high, speed of application is fast, on-the-spot place takies less, structural integrity is strong, anti-seismic performance good, safety work is secure, environment and the significant a kind of construction technology of economical synthesis benefit, usually referred to as " sliding formwork ".
But sliding formwork not only comprises the tool-typed formworks such as common template or dedicated templates, also comprise the comprehensive technologys such as the sliding equipment of power and matching operation technique, mainly take hydraulic jack at present as sliding power, under the synchronous effect of jack in groups, drive concrete surface or the template surface slip along firm moulding of tool-typed formwork high more than 1 meter or sliding sash, concrete is watered in template by the layering suitable for reading of template, every layer generally to be no more than 30cm thick, after in template, undermost concrete reaches some strength, template relies on the effect of lifting machinery, along the concrete surface that watered, slide or sliding sash slides along the template external surface, upwards slide again about about 30cm, so continuous circulation operation, until reach design height, complete whole construction.Slip Form Construction Technique, as the Quick mechanical form of construction work of (reinforcing bar) concrete work structure high-efficiency of a kind of modern times, in the civil construction project all trades and professions, all is widely used.As long as these concrete structures are indeclinable regular geometric cross sections, border in certain direction, just can adopt sliding mode technology to carry out quick, high efficiency construction and make or produce.On the concrete structure in various regular geometric cross section, sliding mode technology demonstrates infinite power.
At present, in the tubular building slding form operation such as granulation tower, silo, adopt the construction of integral radiation beam type slip form platform, slip form platform radiation beam size used is fixed, can only be applicable to granulation tower, the silo of same diameter, and the connection between the platform each several part all adopts welding, need to change than multi-part during recycling, cause using extremely inconvenient, and wasted a large amount of manpower and materials.
By patent retrieval: Chinese Patent Application No.: 201310065037.8, the applying date: on March 1st, 2013, invention and created name is: steel tube fastener formula slip form platform system, this application case includes the vertical cramp bar that is positioned at body of wall to be onstructed center, jack is set on cramp bar, and jack is connected with the hoisting frame of " opening word " shape and can drives hoisting frame to promote; The hoisting frame both sides are respectively arranged with upper lateral tube and the lower transverse tubule that upper and lower horizontal parallel arranges, and between upper lateral tube and lower transverse tubule, by the stay pipe intersected, interconnect; Described upper lateral tube, lower transverse tubule and stay pipe are the building scaffold steel pipe, and the crosspoint between them interconnects by steel tube fastener, and the slip-form template of upper lateral tube medial extremity and steel is welded to connect; Described slip-form template periphery is fixed with the purlin that encloses that steel pipe makes, and encloses between purlin and hoisting frame and is connected by transverse connecting pipe; The upper and lower transverse tube of described hoisting frame and both sides along the level of body of wall to be onstructed vertically or the hoop bearing of trend be provided with many groups, each is organized between adjacent upper lateral tube and interconnects by vertical tube connector, vertically tube connector is also the building scaffold steel pipe, vertically between tube connector and upper lateral tube, by steel tube fastener, interconnect, vertically on tube connector, taken the scaffolding pole plate.Although this application case load is light, avoided the problem of the lifting difficulty that causes because load is excessive in the slding form operation, but the diameter of its slip form platform can't be adjusted according to actual needs or need to change most parts when adjust, cause using inconvenient, can't be applicable to the wall construction of plurality of specifications, each parts recycling rate of waterused is low.
The utility model content
1. the technical problem that utility model will solve
The purpose of this utility model is to overcome slip form platform radiation beam size in prior art and fixes, the inconvenient deficiency of adjusting according to actual needs the slip form platform size, a kind of sliding mode system reducing assembling slip form platform is provided, adopt the technical solution of the utility model, can be by changing reducing radiation beam component truss, to reach the purpose that increases or reduce radiation beam length (that is: increasing or reduce the diameter of slip form platform).
2. technical scheme
For achieving the above object, the technical scheme that the utility model provides is:
A kind of sliding mode system reducing assembling slip form platform of the present utility model, comprise the central steel coil assembly, fixed diameter radiation beam component truss and reducing radiation beam component truss, described central steel coil assembly comprises the first shaped steel crossbeam, the Second-Type gooseneck, the 3rd shaped steel crossbeam and center steel ring truss, described center steel ring truss is circular configuration, this steel ring truss inside, center is provided with the first shaped steel crossbeam, Second-Type gooseneck and the 3rd shaped steel crossbeam, the first above-mentioned shaped steel crossbeam and the 3rd shaped steel crossbeam are positioned at the both sides of Second-Type gooseneck, and with the Second-Type gooseneck, be arranged in parallel respectively, described Second-Type gooseneck is positioned at the diametrical position of center steel ring truss, the first shaped steel crossbeam and the 3rd shaped steel crossbeam distribute about Second-Type gooseneck axial symmetry, described fixed diameter radiation beam component truss comprises solid footpath upper chord, lower chord, the first diagonal web member, the second diagonal web member, the first vertical rod, the second vertical rod, the oblique abdomen connecting rod in end and oblique abdomen connecting rod, wherein: described solid footpath upper chord and lower chord be arranged in parallel up and down, admittedly the right-hand member of footpath upper chord and lower chord all is connected in the periphery edge of center steel ring truss with bolt, the fixed diameter radiation beam component truss that bolt is connected in center steel ring truss periphery is the radial pattern distribution, the lower end of the first above-mentioned diagonal web member is welded in the middle part of lower chord, its upper end is welded in the right-hand member of solid footpath upper chord, the lower end of the first above-mentioned vertical rod is welded in the middle part of lower chord, and its upper end is welded on the upper chord of solid footpath, and this first vertical rod vertically arranges, the lower end of described the second diagonal web member is welded in the middle part of lower chord, and its upper end is welded in the left end of solid footpath upper chord, the lower end of described the second vertical rod is welded in the left end of lower chord, and its upper end is welded in the left end of solid footpath upper chord, and this second vertical rod vertically arranges, one end of the oblique abdomen connecting rod in described end is welded in the left end of lower chord, and its other end is link, one end of described oblique abdomen connecting rod is welded in the left end of solid footpath upper chord, and its other end is link, and the end that described solid footpath upper chord left end stretches out weld is link, described reducing radiation beam component truss comprises the reducing upper chord, the reducing vertical rod, reducing end diagonal web member and reducing diagonal web member, this reducing radiation beam component truss is connected in the outside of fixed diameter radiation beam component truss, wherein: the right-hand member of described reducing upper chord is link, this link is connected with the link of solid footpath upper chord left end by the first splicing node, the axis of this reducing upper chord and solid footpath upper chord is located along the same line, the left end of the left end of described reducing upper chord and reducing end diagonal web member is welded and fixed, the right-hand member of reducing end diagonal web member is connected with the link of the oblique abdomen connecting rod in end by the 3rd splicing node, the axis of the oblique abdomen connecting rod of above-mentioned reducing end diagonal web member and end is located along the same line, described reducing vertical rod vertically is installed between reducing upper chord and reducing end diagonal web member, one end of described reducing diagonal web member is welded on the diagonal web member of reducing end, and its other end is connected with the link of oblique abdomen connecting rod by the second splicing node, and the axis of above-mentioned reducing diagonal web member and oblique abdomen connecting rod is located along the same line.
As the utility model, further improve, described the first splicing node comprises node junction plate and friction type high strength bolt, the cross section of reducing upper chord and solid footpath upper chord is " work " word shape, the both sides of its web are provided with the node junction plate, and connect by friction type high strength bolt; On it, the outside of bottom flange respectively is provided with the node junction plate, and connects by friction type high strength bolt.
As the utility model, further improve, described the second splicing node comprises node junction plate and friction type high strength bolt, the cross section of reducing diagonal web member and oblique abdomen connecting rod is " T " word shape, the arranged outside on its edge of a wing has the node junction plate, and connects by friction type high strength bolt; Described the 3rd splicing node structure is identical with the second splicing node structure.
3. beneficial effect
The technical scheme that adopts the utility model to provide, compare with existing known technology, has following remarkable result:
(1) a kind of sliding mode system reducing assembling slip form platform of the present utility model, its reducing radiation beam component truss comprises the reducing upper chord, the reducing vertical rod, reducing end diagonal web member and reducing diagonal web member, this reducing radiation beam component truss is connected in the outside of fixed diameter radiation beam component truss, with former slip form platform, compare, by changing reducing radiation beam component truss, can reach the effect that increases or reduce radiation beam length (that is: increase or reduce slip form platform diameter), simultaneously, after central steel coil assembly and the dismounting of fixed diameter radiation beam component truss, can in other diameter series slip form platform, recycle, greatly improved each parts recycling rate of waterused,
(2) a kind of sliding mode system reducing assembling slip form platform of the present utility model, its reducing radiation beam component truss is connected by the first splicing node, the second splicing node and the 3rd splicing node with fixed diameter radiation beam component truss, all with bolts between each parts, changed the mode that former slip form platform is welded to connect, all part detachable recyclings, install and convenient disassembly, and reduced construction cost;
(3) a kind of sliding mode system reducing assembling slip form platform of the present utility model, its reasonable in design, workable, strengthened the service efficiency of slip form platform, be convenient to promote.
The accompanying drawing explanation
The plan structure schematic diagram that Fig. 1 is a kind of sliding mode system reducing assembling slip form platform of the present utility model;
The package assembly schematic diagram that Fig. 2 is fixed diameter radiation beam component truss and reducing radiation beam component truss in the utility model;
The structural representation that Fig. 3 is the first splicing node in the utility model;
Fig. 4 is the A-A sectional view in Fig. 3;
The structural representation that Fig. 5 is the second splicing node in the utility model;
Fig. 6 is the B-B sectional view in Fig. 5.
Label declaration in schematic diagram:
1, fixed diameter radiation beam component truss; 11, solid footpath upper chord; 12, lower chord; 131, the first diagonal web member; 132, the second diagonal web member; 141, the first vertical rod; 142, the second vertical rod; 15, the oblique abdomen connecting rod in end; 16, oblique abdomen connecting rod; 2, reducing radiation beam component truss; 21, reducing upper chord; 22, reducing vertical rod; 23, reducing end diagonal web member; 24, reducing diagonal web member; 31, the first shaped steel crossbeam; 32, Second-Type gooseneck; 33, the 3rd shaped steel crossbeam; 4, center steel ring truss; 5, the first splicing node; 6, the second splicing node; 7, the 3rd splicing node; 8, node junction plate.
The specific embodiment
For further understanding content of the present utility model, in conjunction with the accompanying drawings and embodiments the utility model is described in detail.
In conjunction with Fig. 1 and Fig. 2, a kind of sliding mode system reducing assembling slip form platform of the present embodiment, comprise central steel coil assembly, fixed diameter radiation beam component truss 1 and reducing radiation beam component truss 2.As shown in Figure 1, central steel coil assembly in the present embodiment comprises the first shaped steel crossbeam 31, Second-Type gooseneck 32, the 3rd shaped steel crossbeam 33He center steel ring truss 4, described center steel ring truss 4 is circular configuration, these steel ring truss 4 inside, center are provided with the first shaped steel crossbeam 31, Second-Type gooseneck 32 and the 3rd shaped steel crossbeam 33, the first above-mentioned shaped steel crossbeam 31 and the 3rd shaped steel crossbeam 33 are positioned at the both sides of Second-Type gooseneck 32, and with Second-Type gooseneck 32, be arranged in parallel respectively, described Second-Type gooseneck 32 is positioned at the diametrical position of center steel ring truss 4, the first shaped steel crossbeam 31 and the 3rd shaped steel crossbeam 33 distribute about Second-Type gooseneck 32 axial symmetry.
As shown in Figure 2, fixed diameter radiation beam component truss 1 in the present embodiment comprises solid footpath upper chord 11, lower chord 12, the first diagonal web member 131, the second diagonal web member 132, the first vertical rod 141, the second vertical rod 142, the oblique abdomen connecting rod 15 in end and oblique abdomen connecting rod 16, wherein: described solid footpath upper chord 11 and lower chord 12 be arranged in parallel up and down, admittedly the right-hand member of footpath upper chord 11 and lower chord 12 all is connected in the periphery edge of center steel ring truss 4 with bolt, the fixed diameter radiation beam component truss 1 that bolt is connected in center steel ring truss 4 peripheries is radial pattern distribution (as shown in Figure 1).The lower end of the first above-mentioned diagonal web member 131 is welded in the middle part of lower chord 12, and its upper end is welded in the right-hand member of solid footpath upper chord 11; The lower end of the first above-mentioned vertical rod 141 is welded in the middle part of lower chord 12, and its upper end is welded on solid footpath upper chord 11, and this first vertical rod 141 vertically arranges; The lower end of described the second diagonal web member 132 is welded in the middle part of lower chord 12, and its upper end is welded in the left end of solid footpath upper chord 11; The lower end of described the second vertical rod 142 is welded in the left end of lower chord 12, and its upper end is welded in the left end of solid footpath upper chord 11, and this second vertical rod 142 vertically arranges; One end of the oblique abdomen connecting rod 15 in described end is welded in the left end of lower chord 12, and its other end is link; One end of described oblique abdomen connecting rod 16 is welded in the left end of solid footpath upper chord 11, and its other end is link, and the end that described solid footpath upper chord 11 left ends stretch out weld is link.
As shown in Figure 2, reducing radiation beam component truss 2 in the present embodiment comprises reducing upper chord 21, reducing vertical rod 22, reducing end diagonal web member 23 and reducing diagonal web member 24, this reducing radiation beam component truss 2 is connected in the outside of fixed diameter radiation beam component truss 1, wherein: the right-hand member of described reducing upper chord 21 is link, this link is connected with the link of solid footpath upper chord 11 left ends by the first splicing node 5, the axis of this reducing upper chord 21 and solid footpath upper chord 11 is located along the same line, the left end of the left end of described reducing upper chord 21 and reducing end diagonal web member 23 is welded and fixed, the right-hand member of reducing end diagonal web member 23 is connected with the link of the oblique abdomen connecting rod 15 in end by the 3rd splicing node 7, the axis of the above-mentioned oblique abdomen connecting rod 15 of reducing end diagonal web member 23 and end is located along the same line, described reducing vertical rod 22 vertically is installed between reducing upper chord 21 and reducing end diagonal web member 23, one end of described reducing diagonal web member 24 is welded on reducing end diagonal web member 23, and its other end is connected with the link of oblique abdomen connecting rod 16 by the second splicing node 6, and above-mentioned reducing diagonal web member 24 and the axis of oblique abdomen connecting rod 16 are located along the same line.
For convenience of the reducing radiation beam component truss 2 in dismounting and recycling the present embodiment, changed the mode that former slip form platform is welded to connect, all with bolts between each parts, specifically as shown in Figure 3 and Figure 4, in the present embodiment first splicing node 5 comprises node junction plate 8 and friction type high strength bolt, the cross section of reducing upper chord 21 and solid footpath upper chord 11 is " work " word shape, and the both sides of its web are provided with node junction plate 8, and connect by friction type high strength bolt; On it, the outside of bottom flange respectively is provided with node junction plate 8, and connects by friction type high strength bolt.As shown in Figure 5 and Figure 6, in the present embodiment second splicing node 6 comprises node junction plate 8 and friction type high strength bolt, the cross section of reducing diagonal web member 24 and oblique abdomen connecting rod 16 is " T " word shape, the arranged outside on its edge of a wing has node junction plate 8, and connects by friction type high strength bolt.Equally, the cross section of the oblique abdomen connecting rod 15 of reducing end diagonal web member 23 and end is " T " word shape, and its 3rd splicing node 7 structures are identical with the second splicing node 6 structures, do not repeat them here.
During use, by changing reducing radiation beam component truss 2, key is to change the length of its reducing upper chord 21, can increase or reduce radiation beam length (radiation beam length be reducing upper chord 21 and solid footpath upper chord 11 and), thereby realized increasing or reducing the effect of slip form platform diameter, simultaneously, after central steel coil assembly and 1 dismounting of fixed diameter radiation beam component truss, can in other diameter series slip form platform, recycle, greatly improve each parts recycling rate of waterused.
Below schematically the utility model and embodiment thereof are described, this description does not have restricted, and shown in accompanying drawing is also one of embodiment of the present utility model, and actual structure is not limited to this.So, if those of ordinary skill in the art is enlightened by it, in the situation that do not break away from the utility model, create aim, without the creationary frame mode similar to this technical scheme and the embodiment of designing, all should belong to protection domain of the present utility model.
Claims (3)
1. a sliding mode system reducing assembling slip form platform, comprise central steel coil assembly, fixed diameter radiation beam component truss (1) and reducing radiation beam component truss (2), it is characterized in that:
Described central steel coil assembly comprises the first shaped steel crossbeam (31), Second-Type gooseneck (32), the 3rd shaped steel crossbeam (33) and center steel ring truss (4), described center steel ring truss (4) is circular configuration, this center steel ring truss (4) inside is provided with the first shaped steel crossbeam (31), Second-Type gooseneck (32) and the 3rd shaped steel crossbeam (33), the first above-mentioned shaped steel crossbeam (31) and the 3rd shaped steel crossbeam (33) are positioned at the both sides of Second-Type gooseneck (32), and with Second-Type gooseneck (32), be arranged in parallel respectively, described Second-Type gooseneck (32) is positioned at the diametrical position of center steel ring truss (4), the first shaped steel crossbeam (31) and the 3rd shaped steel crossbeam (33) distribute about Second-Type gooseneck (32) axial symmetry,
Described fixed diameter radiation beam component truss (1) comprises solid footpath upper chord (11), lower chord (12), the first diagonal web member (131), the second diagonal web member (132), the first vertical rod (141), the second vertical rod (142), the oblique abdomen connecting rod in end (15) and oblique abdomen connecting rod (16), wherein: described solid footpath upper chord (11) and lower chord (12) be arranged in parallel up and down, admittedly the right-hand member of footpath upper chord (11) and lower chord (12) all is connected in the periphery edge of center steel ring truss (4) with bolt, the fixed diameter radiation beam component truss (1) that bolt is connected in center steel ring truss (4) periphery is the radial pattern distribution, the lower end of above-mentioned the first diagonal web member (131) is welded in the middle part of lower chord (12), its upper end is welded in the right-hand member of solid footpath upper chord (11), the lower end of above-mentioned the first vertical rod (141) is welded in the middle part of lower chord (12), and it is upper that its upper end is welded in solid footpath upper chord (11), and this first vertical rod (141) vertically arranges, the lower end of described the second diagonal web member (132) is welded in the middle part of lower chord (12), and its upper end is welded in the left end of solid footpath upper chord (11), the lower end of described the second vertical rod (142) is welded in the left end of lower chord (12), and its upper end is welded in the left end of solid footpath upper chord (11), and this second vertical rod (142) vertically arranges, one end of the oblique abdomen connecting rod in described end (15) is welded in the left end of lower chord (12), and its other end is link, one end of described oblique abdomen connecting rod (16) is welded in the left end of solid footpath upper chord (11), and its other end is link, and the end that described solid footpath upper chord (11) left end stretches out weld is link,
Described reducing radiation beam component truss (2) comprises reducing upper chord (21), reducing vertical rod (22), reducing end diagonal web member (23) and reducing diagonal web member (24), this reducing radiation beam component truss (2) is connected in the outside of fixed diameter radiation beam component truss (1), wherein: the right-hand member of described reducing upper chord (21) is link, this link is connected with the link of solid footpath upper chord (11) left end by the first splicing node (5), the axis of this reducing upper chord (21) and solid footpath upper chord (11) is located along the same line, the left end of the left end of described reducing upper chord (21) and reducing end diagonal web member (23) is welded and fixed, the right-hand member of reducing end diagonal web member (23) is connected with the link of the oblique abdomen connecting rod in end (15) by the 3rd splicing node (7), above-mentioned reducing end diagonal web member (23) and the axis of the oblique abdomen connecting rod in end (15) are located along the same line, described reducing vertical rod (22) vertically is installed between reducing upper chord (21) and reducing end diagonal web member (23), one end of described reducing diagonal web member (24) is welded on reducing end diagonal web member (23), its other end is connected with the link of oblique abdomen connecting rod (16) by the second splicing node (6), and the axis of above-mentioned reducing diagonal web member (24) and oblique abdomen connecting rod (16) is located along the same line.
2. a kind of sliding mode system reducing assembling slip form platform according to claim 1, it is characterized in that: described the first splicing node (5) comprises node junction plate (8) and friction type high strength bolt, the cross section of reducing upper chord (21) and solid footpath upper chord (11) is " work " word shape, the both sides of its web are provided with node junction plate (8), and connect by friction type high strength bolt; On it, the outside of bottom flange respectively is provided with node junction plate (8), and connects by friction type high strength bolt.
3. a kind of sliding mode system reducing assembling slip form platform according to claim 2, it is characterized in that: described the second splicing node (6) comprises node junction plate (8) and friction type high strength bolt, the cross section of reducing diagonal web member (24) and oblique abdomen connecting rod (16) is " T " word shape, the arranged outside on its edge of a wing has node junction plate (8), and connects by friction type high strength bolt; Described the 3rd splicing node (7) structure is identical with the second splicing node (6) structure.
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201320454976 CN203361631U (en) | 2013-07-29 | 2013-07-29 | Variable-diameter fabricated sliding mode platform of sliding mode system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201320454976 CN203361631U (en) | 2013-07-29 | 2013-07-29 | Variable-diameter fabricated sliding mode platform of sliding mode system |
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| CN 201320454976 Expired - Lifetime CN203361631U (en) | 2013-07-29 | 2013-07-29 | Variable-diameter fabricated sliding mode platform of sliding mode system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103343619A (en) * | 2013-07-29 | 2013-10-09 | 中国化学工程第三建设有限公司 | Diameter-variable assembly type sliding-mold platform of sliding-mold system |
| CN106660719A (en) * | 2014-06-03 | 2017-05-10 | 沙德仓储技术有限公司 | Portal scraper having a load-bearing structure based on a framework structure |
-
2013
- 2013-07-29 CN CN 201320454976 patent/CN203361631U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103343619A (en) * | 2013-07-29 | 2013-10-09 | 中国化学工程第三建设有限公司 | Diameter-variable assembly type sliding-mold platform of sliding-mold system |
| CN103343619B (en) * | 2013-07-29 | 2015-11-04 | 中国化学工程第三建设有限公司 | A kind of sliding mode system reducing assembling slip form platform |
| CN106660719A (en) * | 2014-06-03 | 2017-05-10 | 沙德仓储技术有限公司 | Portal scraper having a load-bearing structure based on a framework structure |
| CN106660719B (en) * | 2014-06-03 | 2020-06-09 | 沙德仓储技术有限公司 | Door scraper with a support structure based on a truss structure |
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