CN113832984A - Protection device for assembly section of foundation pit steel support flange - Google Patents
Protection device for assembly section of foundation pit steel support flange Download PDFInfo
- Publication number
- CN113832984A CN113832984A CN202111090954.2A CN202111090954A CN113832984A CN 113832984 A CN113832984 A CN 113832984A CN 202111090954 A CN202111090954 A CN 202111090954A CN 113832984 A CN113832984 A CN 113832984A
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- China
- Prior art keywords
- steel support
- foundation pit
- support flange
- section
- flange
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- 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.)
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/02—Foundation pits
- E02D17/04—Bordering surfacing or stiffening the sides of foundation pits
Abstract
The invention discloses a protection device for a foundation pit steel support flange splicing section, which comprises: the anchor ear is buckled with the foundation pit steel support concentric shaft at the foundation pit steel support flange splicing section, and the inner diameter of the anchor ear is larger than the diameter of the steel support pipe section of the foundation pit steel support flange splicing section and the diameter of the flange; and the locking mechanism is in threaded connection with the anchor ear and penetrates through the anchor ear to be respectively and tightly propped against the steel support pipe sections of the assembly section of the foundation pit steel support flange, which are positioned on two sides of the flange. The invention enhances the connection reliability of the steel support flange assembly section of the foundation pit and covers and protects the steel support flange assembly section of the foundation pit, thereby reinforcing and protecting the steel support flange assembly section of the foundation pit and reducing the occurrence probability of safety accidents.
Description
Technical Field
The invention relates to the technical field of constructional engineering, in particular to a protection device for a foundation pit steel support flange splicing section.
Background
The steel support is one of the most important support forms in the foundation pit construction stage. In the construction process, the fixed end and the movable end of the steel support are main stress parts and are usually paid enough attention. The flange splicing section positioned at the position of the steel support pipe body is also an important stress point, wherein the flange splicing section is the flange connection part of two steel support pipe sections, and the key inspection is also needed during the field assembly, hoisting and application. But accidents often occur due to a plurality of conditions:
1. during the assembly, the torque value of the installed high-strength bolt of the flange plate does not effectively reach the standard value.
2. And the mechanical equipment for digging and chiseling the foundation pit on site generates accident collision on the assembled section.
Therefore, how to effectively form better reliable connection at the splicing section of the steel supporting flange plate becomes a technical problem which needs to be solved urgently in the field.
Disclosure of Invention
The invention aims to solve the technical problem of providing a protection device for a flange splicing section of a foundation pit steel support so as to solve the problem that the connection of a flange joint of a foundation pit steel support pipe section is unreliable.
In order to solve the technical problems, the technical scheme provided by the invention is as follows: a section protection device is assembled to foundation ditch steel shotcrete flange includes:
the anchor ear is buckled with the foundation pit steel support concentric shaft at the foundation pit steel support flange splicing section, and the inner diameter of the anchor ear is larger than the diameter of the steel support pipe section of the foundation pit steel support flange splicing section and the diameter of the flange;
and the locking mechanism is in threaded connection with the anchor ear and penetrates through the anchor ear to be respectively and tightly propped against the steel support pipe sections of the assembly section of the foundation pit steel support flange, which are positioned on two sides of the flange.
Further, the foundation pit steel support flange splicing section protection device provided by the invention is characterized in that the number of the locking mechanisms is more than four, more than two groups of locking mechanisms are respectively arranged on the steel support pipe sections positioned on each side of the flange, each group comprises two locking mechanisms which have the same diameter and are arranged on the hoop in a penetrating manner, and the two groups of locking mechanisms on the steel support pipe sections positioned on the same side of the flange are arranged in an intersecting manner.
Further, the invention provides a protection device for a foundation pit steel support flange splicing section, wherein the locking mechanism comprises:
a full-thread screw; the anchor ear is in threaded connection with the anchor ear;
and the antiskid plate is arranged at the lower end of the full-thread screw rod and is an arc plate matched with the radian of the steel support pipe section of the foundation pit steel support flange assembling section.
Further, the invention provides a protection device for a foundation pit steel support flange assembling section, wherein the locking mechanism further comprises:
and the backing plate is arranged on the full-thread screw and positioned on the outer side surface of the hoop.
Further, the anti-skid plate comprises a metal plate and a non-metal plate, and the non-metal plate is tightly propped against the steel support pipe section.
Further, according to the protection device for the splicing section of the steel support flange of the foundation pit, provided by the invention, the non-metal plate is a rubber plate.
Further, the anchor ear comprises two semicircular half anchor ears, one ends of the two half anchor ears are hinged through a rotating shaft, the other ends of the two half anchor ears are respectively provided with an ear plate, and a fastener is connected between the two ear plates to lock the two half anchor ears.
Further, the anchor ear comprises two semicircular half anchor ears, two ends of each half anchor ear are provided with ear plates, and a fastener is connected between the two ear plates to lock the two half anchor ears.
Further, according to the protection device for the foundation pit steel support flange assembling section provided by the invention, the fastener is a plug connector, the plug connector comprises a plug shaft, a slot is formed in the plug shaft, and a plug pin is embedded and connected in the slot.
Further, according to the protection device for the foundation pit steel support flange assembling section, the fastening piece is a bolt.
Compared with the prior art, the invention has the following beneficial effects:
according to the foundation pit steel support flange splicing section protection device provided by the invention, the anchor ear is buckled on the foundation pit steel support flange splicing section wrapping flange and the steel support pipe sections at two sides, and the anchor ear is in threaded connection through the locking mechanism and penetrates through the anchor ear to be respectively and tightly propped against the steel support pipe sections at two sides of the flange, so that the connection reliability of the foundation pit steel support flange splicing section is enhanced, the foundation pit steel support flange splicing section is covered and protected, the foundation pit steel support flange splicing section is reinforced and protected, and the occurrence probability of safety accidents is reduced. When the high-strength bolt penetrates through the flange connection steel support pipe section and the torque value of the high-strength bolt does not effectively reach the standard value, the reinforcing device for the two steel support pipe sections through the foundation pit steel support flange assembling section achieves the purpose of reducing the probability of safety accidents. Meanwhile, the foundation pit steel support flange splicing section protection device covers the foundation pit steel support flange splicing section to reduce the probability of safety accidents caused by collision of the engineering mechanical equipment on the foundation pit steel support flange splicing section.
Drawings
FIG. 1 is a schematic structural diagram of a foundation pit steel support flange assembling section protection device in a front view;
FIG. 2 is a schematic side view of a protective device for a steel support flange assembly section of a foundation pit;
FIG. 3 is a schematic top view structural diagram of a protection device for a steel support flange assembly section of a foundation pit;
FIG. 4 is a schematic structural view of a fastener;
FIG. 5 is a schematic view of the cleat;
shown in the figure:
100. a protection device for a foundation pit steel support flange splicing section;
110. the hoop comprises a hoop body 111, a first half hoop body 112, a second half hoop body 113, a rotating shaft 114, lug plates 115 and fasteners;
120. the locking mechanism 121, the bolts 122, the backing plate 123 and the antiskid plate;
200. the steel supports the pipe sections.
Detailed Description
The invention is described in detail below with reference to the attached drawing figures: the advantages and features of the present invention will become more apparent from the following description. It is to be noted that the drawings are in a very simplified form and are not to precise scale, which is merely for the purpose of facilitating and distinctly claiming the embodiments of the present invention.
Referring to fig. 1 to 3, an embodiment of the present invention provides a protection device 100 for a foundation pit steel support flange assembly section, including:
the anchor ear 110 and the foundation pit steel support concentric shaft are buckled on the foundation pit steel support flange assembling section, and the inner diameter of the anchor ear 110 is larger than the diameter of the steel support pipe section 200 of the foundation pit steel support flange assembling section and the diameter of a flange (not shown); the assembly section of the foundation pit steel support flange refers to the joint of the foundation pit steel support flange, namely the flange joint of the two steel support pipe sections 200.
And the locking mechanism 120 is in threaded connection with the hoop 110 and penetrates through the hoop 110 to be respectively and tightly propped against the steel support pipe sections 200 of the foundation pit steel support flange assembling section on two sides of the flange. The anchor ear 110 is correspondingly provided with a threaded hole for the locking mechanism 120 to be in threaded connection.
Referring to fig. 1 to fig. 3, in the protection device 100 for a foundation pit steel support flange assembling section according to an embodiment of the present invention, the locking mechanism 120 may include:
a full-flight screw 121; and the screw thread is connected on the hoop 110.
And the anti-skid plate 123 is arranged at the lower end of the full-thread screw rod 121, and the anti-skid plate 123 is an arc-shaped plate matched with the radian of the steel support pipe section 200 of the foundation pit steel support flange assembling section. The arc plates improve the reinforcement effect in order to better fit the steel support tube section 200. The locking mechanism 120 is a full-thread screw 121 and a skid-proof plate 123, so that the steel support pipe section 200 can be jacked up quickly and timely.
According to the foundation pit steel support flange assembling section protection device 100 provided by the embodiment of the invention, the anchor ear 110 is buckled on the foundation pit steel support flange assembling section wrapping flange and the steel support pipe sections 200 at two sides, and the anchor ear 110 is in threaded connection and penetrates through the anchor ear 110 to be tightly propped against the steel support pipe sections 200 at two sides of the flange respectively, so that the connection reliability of the foundation pit steel support flange assembling section is enhanced, the foundation pit steel support flange assembling section is covered and protected, the foundation pit steel support flange assembling section is reinforced and protected, and the occurrence probability of safety accidents is reduced. When the high-strength bolt penetrates through the flange connection steel support pipe section 200 and the torque value of the high-strength bolt does not effectively reach the standard value, the purpose of reducing the probability of safety accidents is achieved by reinforcing the two steel support pipe sections 200 through the foundation pit steel support flange assembly section protection device 100. Meanwhile, the foundation pit steel support flange splicing section protection device 100 covers the foundation pit steel support flange splicing section to reduce the probability of safety accidents caused by collision of engineering mechanical equipment on the foundation pit steel support flange splicing section.
Referring to fig. 2 to fig. 3, in the protection device 100 for a foundation pit steel support flange assembling section provided in an embodiment of the present invention, the locking mechanism 120 may further include:
and the backing plate 120 or the gasket is arranged on the full-thread screw 121 and is positioned on the outer side surface of the hoop 110. The backing plate 120 may be strip-shaped to connect the locking mechanisms 120 located at both sides of the flange to the same straight line, so that the two steel support pipe sections 200 maintain the locking force in the same direction on the axis, and the two steel support pipe sections 200 are prevented from rotating in the axial direction when locked by the locking mechanisms 120 to affect the reliability of connection. Wherein the backing plate 120 may be welded to the anchor ear 110. The washer 120 may be provided with a threaded or through hole through which the full threaded screw 121 of the locking mechanism 120 passes.
Referring to fig. 5, in order to increase the pre-tightening force against the steel supporting pipe section 200, in the protection device 100 for the flange assembling section of the foundation pit steel supporting according to the embodiment of the present invention, the anti-slip plate 123 includes a metal plate 1231 and a non-metal plate 1232, and the non-metal plate 1232 is pressed against the steel supporting pipe section 200. The metal plate 1231 is connected to the threaded screw 121. Wherein the non-metal plate 1232 may be a rubber plate. The rubber plate can prevent the anti-skid plate 123 from slipping with the steel support pipe section 200 when the rubber plate is tightly pushed. The anti-skid plate 123 increases the contact area with the steel support pipe section 200, increases the stress area, and improves the reliability of abutting contact connection and the stability of the structure.
Referring to fig. 1 to fig. 3, in order to achieve the purpose of reinforcing and locking, in the protection device 100 for the assembled section of the steel supporting flange of the foundation pit according to the embodiment of the present invention, the number of the locking mechanisms 120 is more than four, two groups of the locking mechanisms are respectively disposed on the steel supporting pipe sections 200 located on each side of the flange, each group is two groups of the locking mechanisms 120 having the same diameter and penetrating through the hoop 110, and two groups of the locking mechanisms 120 on the steel supporting pipe sections 200 located on the same side of the flange are disposed in an intersecting manner. Two sets of the locking mechanisms 120 may intersect vertically to enhance the reinforcement locking effect. Of course, for further reinforcement purposes, the locking mechanisms 120 may be in eight groups, with two groups intersecting perpendicularly. In order to balance the stress when the locking mechanism 120 is tightened, the locking mechanism 120 is distributed around the steel support pipe section 200.
Referring to fig. 1 to 3, in the foundation pit steel bracing flange assembling section protection device 100 according to the embodiment of the present invention, the hoop 110 includes two semicircular half hoops 110, one end of each of the two half hoops 110 is hinged through a rotating shaft 113, the other end of each of the two half hoops 110 is provided with an ear plate 114, and a fastener 115 is connected between the two ear plates 114 to lock the two half hoops 110. The two half-hoops 110 include a first half-hoop 111 and a second half-hoop 112. Two half staple bolts 110 are articulated through axis of rotation 113 and are set up the installation that can improve staple bolt 110 and dismouting efficiency. The openable angle of the two half hoops 110 passing through the rotating shaft 113 can be 135 degrees, so that the two half hoops can be conveniently disassembled and assembled. Of course, for the purpose of fastening, the two half-hoops 110 are not limited to the non-hinged structure, and two ends of the two half-hoops 110 may be provided with the ear plates 114, and the fastening members 115 are connected between the two ear plates 114 to fasten the two half-hoops 110. Wherein the fastener 115 may be a bolt.
Referring to fig. 1 to 4, in order to prevent the fastener 115 being a bolt which may cause a loose thread to affect the reliable connection of the hoop 110, in the protection device 100 for an assembly section of a foundation pit steel-supported flange provided by an embodiment of the present invention, the fastener 115 may be an insertion component 115, the insertion component 115 includes an insertion shaft 1151, the insertion shaft 1151 is provided with an insertion slot 1153, and the insertion slot 1153 is connected to an insertion pin 1152 in an insertion manner. The insertion shaft 1151 penetrates between the two ear plates 114, and the insertion pins 1152 are located on both sides of the ear plates 114.
The protection device 100 for the splicing section of the foundation pit steel support flange provided by the embodiment of the invention can be repeatedly recycled, and has the effects of energy conservation and environmental protection.
The present invention is not limited to the above-described specific embodiments, and it is apparent that the above-described embodiments are some, not all, of the embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the described embodiments of the invention, are within the scope of the invention. Other levels of modification and variation of the present invention may be made by those skilled in the art. Thus, it is intended that the present invention cover the modifications and variations of this invention provided they come within the scope of the appended claims.
Claims (10)
1. The utility model provides a section protection device is assembled to foundation ditch steel shotcrete flange which characterized in that includes:
the anchor ear is buckled with the foundation pit steel support concentric shaft at the foundation pit steel support flange splicing section, and the inner diameter of the anchor ear is larger than the diameter of the steel support pipe section of the foundation pit steel support flange splicing section and the diameter of the flange;
and the locking mechanism is in threaded connection with the anchor ear and penetrates through the anchor ear to be respectively and tightly propped against the steel support pipe sections of the assembly section of the foundation pit steel support flange, which are positioned on two sides of the flange.
2. The foundation pit steel support flange assembling section protecting device according to claim 1, wherein the number of the locking mechanisms is more than four, two groups of the locking mechanisms are respectively arranged on the steel support pipe sections positioned on each side of the flange, each group comprises two locking mechanisms which are arranged on the hoop in a penetrating manner and have the same diameter, and the two groups of the locking mechanisms on the steel support pipe sections positioned on the same side of the flange are arranged in an intersecting manner.
3. The foundation pit steel support flange assembling section protecting device according to claim 1, wherein the locking mechanism comprises:
a full-thread screw; the anchor ear is in threaded connection with the anchor ear;
and the antiskid plate is arranged at the lower end of the full-thread screw rod and is an arc plate matched with the radian of the steel support pipe section of the foundation pit steel support flange assembling section.
4. The foundation pit steel support flange assembling section protecting device according to claim 3, wherein the locking mechanism further comprises:
and the backing plate is arranged on the full-thread screw and positioned on the outer side surface of the hoop.
5. The foundation pit steel support flange assembling section protecting device according to claim 3, wherein the anti-skid plate comprises a metal plate and a non-metal plate, and the non-metal plate is tightly propped against the steel support pipe section.
6. The foundation pit steel support flange assembling section protecting device according to claim 5, wherein the non-metal plate is a rubber plate.
7. The foundation pit steel support flange assembling section protecting device according to claim 1, wherein the hoop comprises two semicircular half hoops, one ends of the two half hoops are hinged through a rotating shaft, the other ends of the two half hoops are provided with lug plates, and a fastener is connected between the two lug plates to lock the two half hoops.
8. The foundation pit steel support flange assembling section protecting device according to claim 1, wherein the hoop comprises two semicircular half hoops, two ends of the two half hoops are respectively provided with an ear plate, and a fastener is connected between the two ear plates to lock the two half hoops.
9. The foundation pit steel support flange assembling section protecting device as claimed in claim 1, wherein the fastener is a connector, the connector comprises a plug shaft, a slot is arranged on the plug shaft, and a plug pin is embedded and connected to the slot.
10. The foundation pit steel support flange assembling section protecting device of claim 1, wherein the fasteners are bolts.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202111090954.2A CN113832984A (en) | 2021-09-17 | 2021-09-17 | Protection device for assembly section of foundation pit steel support flange |
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Application Number | Priority Date | Filing Date | Title |
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CN202111090954.2A CN113832984A (en) | 2021-09-17 | 2021-09-17 | Protection device for assembly section of foundation pit steel support flange |
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CN113832984A true CN113832984A (en) | 2021-12-24 |
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CN202111090954.2A Pending CN113832984A (en) | 2021-09-17 | 2021-09-17 | Protection device for assembly section of foundation pit steel support flange |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114482621A (en) * | 2022-01-17 | 2022-05-13 | 天元建设集团有限公司 | Steel support quick connecting joint for jacking and method |
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KR100838736B1 (en) * | 2007-02-27 | 2008-06-16 | 주식회사 포스코 | Connection and junction apparatus of steel pipe for strut |
CN202012084U (en) * | 2011-02-22 | 2011-10-19 | 浙江华铁建筑安全科技股份有限公司 | Adjustable connection joint of steel support installation |
CN203560217U (en) * | 2013-09-25 | 2014-04-23 | 国家电网公司 | Adjustable type semicircular hoop |
CN211818468U (en) * | 2020-03-16 | 2020-10-30 | 维克托电力设备有限公司 | Adjustable staple bolt that is difficult for droing |
CN212175513U (en) * | 2020-04-23 | 2020-12-18 | 中铁三局集团有限公司 | Counter-force supporting and adjusting device for mounting assembled bridge pier cap |
-
2021
- 2021-09-17 CN CN202111090954.2A patent/CN113832984A/en active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100838736B1 (en) * | 2007-02-27 | 2008-06-16 | 주식회사 포스코 | Connection and junction apparatus of steel pipe for strut |
CN202012084U (en) * | 2011-02-22 | 2011-10-19 | 浙江华铁建筑安全科技股份有限公司 | Adjustable connection joint of steel support installation |
CN203560217U (en) * | 2013-09-25 | 2014-04-23 | 国家电网公司 | Adjustable type semicircular hoop |
CN211818468U (en) * | 2020-03-16 | 2020-10-30 | 维克托电力设备有限公司 | Adjustable staple bolt that is difficult for droing |
CN212175513U (en) * | 2020-04-23 | 2020-12-18 | 中铁三局集团有限公司 | Counter-force supporting and adjusting device for mounting assembled bridge pier cap |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN114482621A (en) * | 2022-01-17 | 2022-05-13 | 天元建设集团有限公司 | Steel support quick connecting joint for jacking and method |
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