CN203200760U - Detachable prestress support frame system - Google Patents
Detachable prestress support frame system Download PDFInfo
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- CN203200760U CN203200760U CN 201320083268 CN201320083268U CN203200760U CN 203200760 U CN203200760 U CN 203200760U CN 201320083268 CN201320083268 CN 201320083268 CN 201320083268 U CN201320083268 U CN 201320083268U CN 203200760 U CN203200760 U CN 203200760U
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Abstract
The utility model discloses a detachable prestress support frame system which has the advantages that the supporting structure of a foundation trench is stable, the support density of breast beams is reduced on the premise that the strength of the supporting structure of the foundation trench is not influenced and a larger working space is supplied to foundation trench excavation work. The detachable prestress support frame system comprises a set of construction piles and an enclosing purlin beam, wherein the enclosing purlin beam is arranged on the inner side of the construction piles, and a plurality of triangular supports are arranged on the inner side of the enclosing purlin beam. A pair of corner breast beams is arranged on concave corners of the foundation trench, the pair of corner breast beams are arranged between every two triangular supports which are located on the adjacent sides of the concave corners, one end of each corner breast beam butts against the side face of one triangular support, and a prestress reserved part is arranged between the other end of corner breast beam and another triangular support. The prestress reserved part comprises two support parts which can be propped open, one support part is connected with the side face of one triangular support part in a butting mode, and the other support part is connected to the end portion of one corner breast beam in a butting mode.
Description
Technical field
The utility model relates to a kind of support system, is specifically related to a kind of detachable prestressing force bracing frame system that is applied in the foundation ditch.
Background technology
In order to guarantee the safety of underground structure and foundation ditch surrounding enviroment, need around reaching, foundation pit side-wall adopt safeguard measures such as support, reinforcing.Present foundation pit support system generally includes the one group of worker's method stake that arranges around the foundation ditch edge, worker's method stake inboard enclose the purlin beam and be arranged on enclose between the purlin beam to the support beam.Existing to the support beam usually adopt straight support beam directly to support enclosing on the purlin beam of both sides relatively, strengthen the intensity that foundation ditch supports, control structure deformation with this.
For example, Chinese patent publication number CN201785758U, open day on April 6th, 2011, the name that utility model is created is called a kind of foundation pit support system, it comprises that a telescopic steel supports, the end that this steel supports is resisted against the steel plate of foundation ditch one side, and the other end that steel supports is provided with in a seat-box and the seat-box and is provided with jack, and the top of this jack is positioned at the bearing case outside and is resisted against on the steel plate of the relative side of foundation ditch.It is above-mentioned to supportting beam directly to supportting on the steel plate of the relative both sides of foundation ditch that this foundation pit support system adopts a jack that steel is supported.
For example, Chinese patent publication number CN1180119, open day on April 29th, 1998, the name that utility model is created is called a kind of method of reinforcing support, the method that this reinforcing is supported is applied to building foundation reinforcing, foundation ditch support etc., it will be played a supporting role at the retaining wall of the relative both sides of foundation ditch to support to the support beam by supporting two opposing forces of fastening bolt reverse rotation generation by the support beam end is arranged the support fastening bolt.
At present this class adopts the support beam directly support the enclosing on the purlin beam of the relative both sides of foundation ditch, strengthens the intensity that foundation ditch supports, and needs arranging and some the support beam is realized the purlin beam that encloses of the relative both sides of foundation ditch is supported side by side in the practice of construction process; This make to the support beam a large amount of be distributed in foundation ditch middle part and edge, influence the foundation ditch digging operation.On the other hand, because to supportting beam directly to support enclosing on the purlin beam in the relative both sides of foundation ditch, make these to exist in the support beam be parallel to each other in a large number to the support beam, this not only make the foundation ditch braced structures and to the support beam braced structures stability not good, and cause the support density of support beam is difficult to reduce, otherwise will have influence on support strength.
The utility model content
The purpose of this utility model be for overcome existing foundation ditch in supporting to the support beam a large amount of be distributed in foundation ditch middle part and edge, big to the support density of support beam, influence the foundation ditch digging operation; And the not good problem of foundation ditch braced structures stability, a kind of foundation ditch braced structures good stability is provided, and can be under the prerequisite that does not influence foundation ditch braced structures intensity, reduction is to the support density of support beam, and the detachable prestressing force bracing frame system of bigger working space is provided for the foundation ditch digging operation.
The technical solution of the utility model is:
A kind of detachable prestressing force bracing frame system, comprise around one group of worker's method stake of foundation ditch edge setting and be positioned at worker's method stake inboard enclose the purlin beam, enclose purlin beam inboard and be provided with some gusseted parts, be arranged in foundation ditch depression corner and be provided with the angle to the support beam, and this angle is arranged between the two triangle support members of the adjacent both sides of recessed corners the support beam; The angle is resisted against on one of them gusseted part side an end of support beam, is provided with the prestressing force reservation member between the other end and another gusseted part; This prestressing force reservation member comprises two support components that can strut mutually, and wherein a support component is connected on the gusseted part side, and another support component is connected to the angle on the support beam end.
Two support components that all mistakes of this programme support frame strut the prestressing force reservation member apply pretightning force to opposite both direction, thus with the angle to the support beam to support in foundation ditch between the two triangle support members of the adjacent both sides of recessed corners; This angle is to the support beam, and the angle together constitutes leg-of-mutton braced structures to the gusseted part at support beam two ends and the purlin beam that encloses of the adjacent both sides of recessed corners, thereby improves the angle greatly to support beam and foundation ditch braced structures stability; The more important thing is that this programme bracing frame system has taken full advantage of the original recessed corners structure of foundation ditch, enclosing of the adjacent both sides of recessed corners the gusseted part is set in the purlin beam cleverly, and utilizes the angle to form leg-of-mutton braced structures to supportting beam and gusseted part and the original recessed corners respective outer side edges of foundation ditch; When improving foundation ditch braced structures stability, owing to taken full advantage of the original recessed corners structure of foundation ditch, thereby can be under the prerequisite that does not influence foundation ditch braced structures intensity, reducing the angle is support density to the quantity that supports beam, for the foundation ditch digging operation provides bigger working space.On the other hand, the angle of this programme can also reserve a large amount of spaces at the foundation ditch middle part to the support girder construction, is conducive to the foundation ditch digging operation more.In addition, the angle of this programme bracing frame system is to the support beam, gusseted part and prestressing force reservation member can repeat the dismounting utilization and dismounting convenient, thereby saved resource greatly, reduce engineering cost.
As preferably, have at least part to be in enclosing of relative both sides in the foundation ditch and be provided with some groups of stiffening girders between the purlin beam to support structure, each organize stiffening girder to support structure comprise respectively main to support beam, two to support tie-beam and triangular in shape to the support beam connection; One end of two pairs of support tie-beams is resisted against on the two sides of supportting beam connection, the other end of two pairs of support tie-beams is resisted against on the two triangle support members that enclose the purlin beam of the same side, and two pairs of supports tie-beams and its ends against the purlin beam that encloses at gusseted part place constitute triangular support structure jointly, described master to the support beam to the support beam connection and relative enclosing between the purlin beam, and the master is resisted against on the support beam connection support Liang Yiduan, the other end and enclose and also be provided with the prestressing force reservation member between the purlin beam, support component in this prestressing force reservation member is connected to and encloses on the purlin beam, and another support component is connected to main on the support beam end.The two adjacent groups stiffening girder is resisted against the enclosing purlin beam on of in foundation ditch the same side to the master of support structure to supportting beam to two couple of support structure support tie-beam and another group stiffening girder to one group of stiffening girder in the support structure.
This programme is realized the purlin beam that encloses that is in relative both sides in the foundation ditch is supported to support structure by stiffening girder, and stiffening girder to two couple in support structure support tie-beam and its end against the purlin beam that encloses at gusseted part place constitute triangular support structure jointly, this has not only improved stability and the support strength of stiffening girder to support structure greatly, has improved the ability of anti-deformation of brutal to support structure greatly; As long as and in actual mechanical process, strut a prestressing force reservation member, can realize by two pairs of support tie-beams and main the support beam is constituted carry out in a big way support, operating efficiency height to enclosing the purlin beam.Simultaneously since the two adjacent groups stiffening girder to one group of stiffening girder in the support structure to support structure support tie-beam and another group stiffening girder are resisted against enclosing on the purlin beam of the same side in the foundation ditch to the master of support structure to the support beam, like this brutal in the support structure to support tie-beam and master to supportting beam effect can be evenly distributed in and be in the enclosing on the purlin beam of relative both sides in the foundation ditch supportting application point on enclosing the purlin beam; This make this programme stiffening girder to support structure with by straight support beam directly to the support compare at the purlin beam that encloses of relative both sides, make the purlin beam that encloses that is positioned at relative both sides obtain under the situation to the support application point of equal number, can reduce the distribution density to the support beam, and then provide bigger working space for the foundation ditch digging operation.
As preferably, the support beam connection is isosceles triangular structure and its base and waist to be made of i iron or H shaped steel, to the summit of support beam connection and to being provided with main supporting rod between the middle part, support beam connection base, main supporting rod monosymmetric be provided with to two perpendicular side brace of support beam connection two waists, one end of two side brace is resisted against main supporting rod and to support junction, beam connection base, the other end is resisted against support beam connection two waists middle part; Formation between two frange plates of the support base of beam connection and waist i iron or H shaped steel and the web side by side be provided with some first stiffeners, and first stiffener on the support beam connection base is paralleled with main supporting rod, first stiffener on the support beam connection waist is paralleled with side brace; Described master is resisted against on the support beam connection base an end of support beam, and the master parallels with main supporting rod the support beam; End to the support tie-beam is resisted against on the waist that supports beam connection, and the support tie-beam is paralleled with side brace.
This programme is to first stiffener of support beam connection, and main supporting rod and two side brace arrange to the support beam with to the position of supportting tie-beam in conjunction with main, and it has not only strengthened the intensity to the support beam connection; The more important thing is, first stiffener on the support beam connection base is paralleled with main supporting rod, first stiffener on the support beam connection waist is paralleled with side brace; The master parallels with main supporting rod the support beam, and the support tie-beam is paralleled with side brace; Like this stiffening girder to support structure in loading process main to the support beam with to the active force on the support tie-beam and reaction force more smoothly, conduct reliably, strengthen stiffening girder to the integrated carrying ability of support structure.
As preferably, main to the support beam with to supportting tie-beam respectively by some i iron that are arranged side by side or H shaped steel, reach the cover plate composition of each i iron of some connections or H shaped steel; The frange plate of described i iron or H shaped steel is provided with some connecting holes, and described cover plate and i iron or H shaped steel vertical distribution also are connected by the connecting hole of bolt with i iron or H shaped steel, also is provided with the floor perpendicular with i iron or H shaped steel on the described cover plate; Described to support on the tie-beam each i iron or two frange plates of H shaped steel and web between also side by side be provided with some second stiffeners.This programme is spliced into one by cover plate with some i iron that are arranged side by side or H shaped steel, and cover plate is provided with the floor perpendicular with i iron or H shaped steel, can well defend mainly to produce the problem that arches upward to the support beam with to the support tie-beam.
As preferably, the gusseted part is that isosceles triangular structure and its base and waist are made of i iron or H shaped steel, be provided with between two waists of gusseted part and the base two with the perpendicular jury strut of its waist, one end of two jury struts is connected with gusseted part base, the other end is connected with gusseted part waist, and two jury struts are cross and are interspersed; Constitute between two frange plates of the i iron of gusseted part base and waist or H shaped steel and the web some the 3rd stiffeners that are provided with side by side, and the 3rd stiffener on the gusseted part waist parallels with jury strut; Described angle is resisted against on the waist of gusseted part the two ends of support beam, and the angle parallels with a jury strut wherein the support beam.The 3rd stiffener of the gusseted part of this programme and the jury strut that cross is interspersed arrange in conjunction with the position of angle to the support beam, and it has not only strengthened the intensity of gusseted part; The more important thing is that because the 3rd stiffener on the gusseted part waist parallels with jury strut, the angle parallels with jury strut the support beam; The angle can be transmitted to active force more smoothly, reliably in loading process the support beam and enclose the purlin beam and support like this.
As preferably, be provided with positive stop between two support components of prestressing force reservation member, this positive stop forms between two support components reserves cavity; Be provided with some stress sections that take out between described positive stop and the support component, and each stress section stack arranges.In dismounting during to support structure, will hydraulic jack insert to reserve in the cavity two support components will be strutted, and stress section taken out can remove the prestressing force reservation member and be applied to the prestressing force on the support beam, and then will be to the dismounting of support beam.When mounted, will in the hydraulic jack insertion reservation cavity two support components be strutted, and stress section is inserted between positive stop and the support component, prestressing force can be applied on the support beam by support component, make the support beam is being enclosed between the purlin beam support.
As preferably, the angle comprises some i iron that are arranged side by side or H shaped steel to the support beam, and the cover plate of each i iron of some connections or H shaped steel; The frange plate of described i iron or H shaped steel is provided with some connecting holes, and described cover plate and i iron or H shaped steel vertical distribution also are connected by the connecting hole of bolt with i iron or H shaped steel, also is provided with the floor perpendicular with i iron or H shaped steel on the described cover plate.
As preferably, to enclose the purlin beam and be connected by some i iron or H shaped steel and form, the two ends of this i iron or H shaped steel are respectively equipped with head plate, and connect by bolt between the head plate of adjacent two i iron or H shaped steel; Also be provided with floor between the web of described head plate and i iron or H shaped steel.
The beneficial effects of the utility model are:
One, it is convenient to repeat dismounting utilization and dismounting, thereby has saved resource greatly, reduces engineering cost.
Its two, have the characteristics of foundation ditch braced structures good stability, and can be under the prerequisite that does not influence foundation ditch braced structures intensity, reduce the support density to the support beam, for the foundation ditch digging operation provides bigger working space.
Description of drawings
Fig. 1 is the partial structurtes schematic diagram of a kind of detachable prestressing force bracing frame of the utility model system.
Fig. 2 is a kind of partial structurtes schematic diagram that encloses the purlin beam of the present utility model.
Fig. 3 is a kind of structural representation of gusseted part of the present utility model.
Fig. 4 is a kind of structural representation of prestressing force reservation member of the present utility model.
Fig. 5 is a kind of structural representation to the support beam connection of the present utility model.
Fig. 6 is a kind of concrete constructing structure schematic diagram of a kind of detachable prestressing force bracing frame of the utility model system.
Among the figure: worker's method stake 1, enclose purlin beam 2, gusseted part 3, the angle is to support beam 4, prestressing force reservation member 5, stiffening girder are to support structure 6, and be main to support beam 7, to support beam connection 8, to support tie- beam 9,91, auxiliary to support beam 10, cover plate 11, head plate 12, jury strut 13, the three stiffeners 14, support component 15, stress section 16, positive stop 17 is reserved cavity 18, main supporting rod 19, side brace 20, the first stiffeners 21.
The specific embodiment
Below in conjunction with accompanying drawing and the specific embodiment the utility model is described in further detail:
As shown in Figure 1, a kind of detachable prestressing force bracing frame system comprises the one group of worker's method stake 1 that arranges around the foundation ditch edge, and what be positioned at worker's method stake inboard encloses purlin beam 2.As shown in Figure 2, enclosing purlin beam 2 is connected by some i iron or H shaped steel and forms.The two ends of each i iron or H shaped steel are respectively equipped with head plate 12, and connect by bolt between the head plate of adjacent two i iron or H shaped steel.Also be provided with floor between the web of head plate 12 and i iron or H shaped steel.As Fig. 1, shown in Figure 3, enclose purlin beam 2 inboards and be provided with some gusseted parts 3.Gusseted part 3 is made of i iron or H shaped steel for isosceles triangular structure and its base and waist.Be provided with between two waists of gusseted part 3 and the base two with the perpendicular jury strut 13 of its waist.One end of two jury struts is connected with gusseted part base, and the other end is connected with gusseted part waist, and two jury struts 13 are cross and are interspersed.Constitute between two frange plates of the i iron of gusseted part 3 bases and waist or H shaped steel and the web some the 3rd stiffeners 14 that are provided with side by side, and the 3rd stiffener on gusseted part 3 waists parallels with jury strut 13.The gusseted part encloses on the purlin beam by being bolted to, and the base of gusseted part with enclose that the purlin beam is inboard fits.
As Fig. 1, shown in Figure 6, be arranged in foundation ditch depression corner and be provided with the angle to support beam 4, and this angle is arranged between the two triangle support members 3 of the adjacent both sides of recessed corners support beam 4.The angle is resisted against on one of them gusseted part 3 side an end of support beam 4, is provided with prestressing force reservation member 5 between the other end and another gusseted part.As shown in Figure 4, prestressing force reservation member 5 comprises two support components 15 that can strut mutually, be arranged on and be provided with positive stop 17 between two support components, and this positive stop 17 forms reservation cavity 18 between two support components 15.Be provided with some stress sections that take out 16 between positive stop 17 and the support component 15, and each stress section stack arranges.Above-mentioned support component 15 is made of i iron or H shaped steel, and between two frange plates of i iron or H shaped steel and the web side by side be provided with some floors.The angle is connected on gusseted part 3 waists a support component 15 in the prestressing force reservation member 5 between support beam 4 and the gusseted part 3, and another support component 15 is connected to the angle on support beam 4 ends.This angle parallels with a jury strut 13 in the above-mentioned gusseted part 3 support beam 4.
As Fig. 1, shown in Figure 6, there is part to be in enclosing of relative both sides in the foundation ditch and is provided with some groups of stiffening girders between the purlin beam 2 to support structure 6.Each organize stiffening girder to support structure 6 comprise respectively main to support beam 7, two to support tie- beam 9,91 and be isosceles triangular structure to support beam connection 8.As shown in Figure 5, base and the waist to support beam connection 8 is made of i iron or H shaped steel.To the summit of support beam connection 5 and to being provided with main supporting rod 19 between the middle part, support beam connection base.Main supporting rod monosymmetric be provided with to two perpendicular side brace 20 of support beam connection two waists.One end of two side brace is resisted against main supporting rod 19 and to support junction, beam connection 8 base, the other end is resisted against 8 liang of waists middle parts of support beam connection.Formation between two frange plates of the support base of beam connection 8 and waist i iron or H shaped steel and the web side by side be provided with some first stiffeners 21.First stiffener on the support beam connection base is paralleled with main supporting rod 19; First stiffener on the support beam connection waist is paralleled with side brace 20.
As shown in Figure 1, two pairs of support tie- beams 9,91 ends are resisted against on the two triangle support members 3 that enclose purlin beam 2 of the same side in the foundation ditch, and the two pairs of support tie- beams 9,91 the other end are resisted against on two waists to support beam connection 8; And the support tie-beam is paralleled the side brace 20 in the support beam connection 8 with above-mentioned.The two pairs of support tie- beams 9,91 with its end against gusseted part place enclose the common formation of purlin beam 2 triangular support structure.Be provided with between two pairs of support tie- beams 9,91 and assist support beam 10, assist support Liang Yiduan is resisted against on the support beam connection 8, the other end is pressed on by jack and encloses on the purlin beam 2.Main to support beam 7 to support beam connection 8 and relative enclosing between the purlin beam 2, and main support beam 7 one ends are resisted against to supportting on beam connection 8 bases other end and enclose and also be provided with prestressing force reservation member 5 between the purlin beam.Support component 15 in this prestressing force reservation member is connected to and encloses on the purlin beam 2, and another support component 15 is connected to main on support beam 7 ends.The master parallels with above-mentioned main supporting rod 19 to support beam connection 8 support beam 7.As shown in Figure 6, the two adjacent groups stiffening girder is resisted against the enclosing purlin beam 2 on of in foundation ditch the same side to the master of support structure to supportting beam 7 with another group stiffening girder to two couple of support structure support tie- beam 9,91 to one group of stiffening girder in the support structure 6.
Above-mentioned angle is to support beam 4, and main to support beam 7 with to supportting tie-beam respectively by some i iron that are arranged side by side or H shaped steel, the cover plate 11 that reaches each i iron of some connections or H shaped steel is formed.The frange plate of i iron or H shaped steel is provided with some connecting holes.Cover plate 11 and i iron or H shaped steel vertical distribution also are connected by the connecting hole of bolt with i iron or H shaped steel.Also be provided with the floor perpendicular with i iron or H shaped steel on the cover plate.To support on the tie-beam each i iron or two frange plates of H shaped steel and web between also side by side be provided with some second stiffeners.
As Fig. 1, shown in Figure 6, in the specific implementation, by in the reservation cavity 18 that hydraulic jack is inserted prestressing force reservation member 5 two support components 15 being strutted, and with between stress section 16 insertion positive stops and the support component, two pretightning forces that can direction is opposite are applied to the angle on the support beam 4, and then with between the two triangle support members 3 of angle to the adjacent both sides of support 4 pairs of supports of beam recessed corners in foundation ditch.Same stiffening girder to support structure 6 pairs of supports in foundation ditch, be in relative both sides enclose between the purlin beam 2 time, also be in the reservation cavity 18 by hydraulic jack being inserted prestressing force reservation member 5 two support components 15 to be strutted, so with stiffening girder to the master of support structure 6 to support beam 7 and the two pairs of support tie-beams 9, the 91 pairs of supports enclosing between the purlin beam of both sides relatively.
Claims (9)
1. detachable prestressing force bracing frame system, what comprise the one group of worker's method stake (1) that arranges around the foundation ditch edge and be positioned at worker's method stake inboard encloses purlin beam (2), it is characterized in that, the described purlin beam inboard of enclosing is provided with some gusseted parts (3), be arranged in foundation ditch depression corner and be provided with the angle to support beam (4), and this angle is arranged between the two triangle support members of the adjacent both sides of recessed corners the support beam; The angle is resisted against on one of them gusseted part side an end of support beam, is provided with prestressing force reservation member (5) between the other end and another gusseted part; This prestressing force reservation member comprises two support components (15) that can strut mutually, and wherein a support component is connected on gusseted part (3) side, and another support component is connected to the angle on support beam (4) end.
2. a kind of detachable prestressing force bracing frame according to claim 1 system, it is characterized in that, have at least part to be in enclosing of relative both sides and to be provided with some groups of stiffening girders between the purlin beam (2) to support structure (6) in the foundation ditch, each organize stiffening girder to support structure comprise respectively main to support beam (7), two to support tie-beam (9,91) and triangular in shape to support beam connection (8); One end of two pairs of support tie-beams (9,91) is resisted against on the two sides of supportting beam connection (8), the other ends of two pairs of support tie-beams are resisted against on the two triangle support members (3) that enclose the purlin beam of the same side, and two pairs of support tie-beams (9,91) and its end against the purlin beam (2) that encloses at gusseted part place constitute triangular support structure jointly; Described master to the support beam (7) to the support beam connection and relative enclosing between the purlin beam, and the master is resisted against on the support beam connection support Liang Yiduan, the other end and enclose and also be provided with prestressing force reservation member (5) between the purlin beam, support component in this prestressing force reservation member is connected to and encloses on the purlin beam, and another support component is connected to main on the support beam end.
3. a kind of detachable prestressing force bracing frame according to claim 2 system, it is characterized in that the two adjacent groups stiffening girder is resisted against the enclosing purlin beam on of in foundation ditch the same side to the master of support structure to support beam (7) to two couple of support structure support tie-beam (9,91) and another group stiffening girder to one group of stiffening girder in the support structure (6).
4. a kind of detachable prestressing force bracing frame according to claim 2 system, it is characterized in that, described support beam connection (8) is isosceles triangular structure and its base and waist and is made of i iron or H shaped steel, to the summit of support beam connection and to being provided with main supporting rod (19) between the middle part, support beam connection base, main supporting rod monosymmetric be provided with to perpendicular two side brace (20) of support beam connection two waists, one end of two side brace is resisted against main supporting rod and to support junction, beam connection base, the other end is resisted against support beam connection (8) two waists middle part; Formation between two frange plates of the support base of beam connection and waist i iron or H shaped steel and the web side by side be provided with some first stiffeners (21), and first stiffener on the support beam connection base is paralleled with main supporting rod (19), first stiffener on the support beam connection waist is paralleled with side brace (20); Described master is resisted against on support beam connection (8) base an end of support beam (7), and the master parallels with main supporting rod (19) the support beam; End to the support tie-beam is resisted against on the waist that supports beam connection (8), and the support tie-beam is paralleled with side brace (20).
5. according to claim 2 or 3 described a kind of detachable prestressing force bracing frame systems, it is characterized in that, described master is to support beam (7) with to supportting tie-beam respectively by some i iron that are arranged side by side or H shaped steel, and the cover plate (11) that reaches each i iron of some connections or H shaped steel is formed; The frange plate of described i iron or H shaped steel is provided with some connecting holes, and described cover plate and i iron or H shaped steel vertical distribution also are connected by the connecting hole of bolt with i iron or H shaped steel, also is provided with the floor perpendicular with i iron or H shaped steel on the described cover plate; Described to support on the tie-beam each i iron or two frange plates of H shaped steel and web between also side by side be provided with some second stiffeners.
6. according to claim 1 or 2 or 3 described a kind of detachable prestressing force bracing frame systems, it is characterized in that, described gusseted part (3) is made of i iron or H shaped steel for isosceles triangular structure and its base and waist, be provided with between two waists of gusseted part and the base two with the perpendicular jury strut (13) of its waist, one end of two jury struts is connected with gusseted part base, the other end is connected with gusseted part waist, and two jury struts are cross and are interspersed; Constitute between two frange plates of the i iron of gusseted part base and waist or H shaped steel and the web side by side be provided with some the 3rd stiffeners (14), and the 3rd stiffener on the gusseted part waist parallels with jury strut; Described angle is resisted against on the waist of gusseted part the two ends of support beam (4), and the angle parallels with a jury strut (13) wherein the support beam.
7. according to claim 1 or 2 or 3 described a kind of detachable prestressing force bracing frame systems, it is characterized in that, be provided with positive stop (17) between two support components (15) of described prestressing force reservation member, this positive stop forms between two support components reserves cavity; Be provided with some stress sections that take out (16) between described positive stop and the support component, and each stress section stack arranges.
8. according to claim 1 or 2 or 3 described a kind of detachable prestressing force bracing frame systems, it is characterized in that described angle comprises some i iron that are arranged side by side or H shaped steel to the support beam, and the cover plate of each i iron of some connections or H shaped steel; The frange plate of described i iron or H shaped steel is provided with some connecting holes, and described cover plate and i iron or H shaped steel vertical distribution also are connected by the connecting hole of bolt with i iron or H shaped steel, also is provided with the floor perpendicular with i iron or H shaped steel on the described cover plate.
9. according to claim 1 or 2 or 3 described a kind of detachable prestressing force bracing frame systems, it is characterized in that, the described purlin beam (2) that encloses is connected by some i iron or H shaped steel and forms, the two ends of this i iron or H shaped steel are respectively equipped with head plate (12), and connect by bolt between the head plate of adjacent two i iron or H shaped steel; Also be provided with floor between the web of described head plate and i iron or H shaped steel.
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| CN 201320083268 CN203200760U (en) | 2013-02-22 | 2013-02-22 | Detachable prestress support frame system |
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| CN 201320083268 CN203200760U (en) | 2013-02-22 | 2013-02-22 | Detachable prestress support frame system |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103161168A (en) * | 2013-02-22 | 2013-06-19 | 东通岩土科技（杭州）有限公司 | Detachable prestress supporting frame system |
| CN104032754A (en) * | 2014-06-10 | 2014-09-10 | 德清鑫德机械有限公司 | Strut connecting piece of foundation pit opposite-supporting device |
| CN104032746A (en) * | 2014-06-10 | 2014-09-10 | 德清鑫德机械有限公司 | Support filler block structure of foundation pit reflex angular position |
| CN104947688A (en) * | 2015-07-02 | 2015-09-30 | 山东科技大学 | Detachable combined variable-cross section steel middle beam |
| CN108532613A (en) * | 2018-07-03 | 2018-09-14 | 戴向胜 | Adjustable support rigidity pre-loaded support struts structure |
| CN110924411A (en) * | 2019-11-15 | 2020-03-27 | 中交武汉港湾工程设计研究院有限公司 | Steel sheet pile cofferdam prefabricated supporting structure convenient to system conversion |
| CN111270683A (en) * | 2020-03-20 | 2020-06-12 | 广州宏途设备工程有限公司 | Long-span foundation pit soil layer temporary supporting system |
| CN113338302A (en) * | 2021-06-21 | 2021-09-03 | 子西租赁股份有限公司 | Super large span inverted splayed bracing steel supporting structure |
-
2013
- 2013-02-22 CN CN 201320083268 patent/CN203200760U/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103161168A (en) * | 2013-02-22 | 2013-06-19 | 东通岩土科技（杭州）有限公司 | Detachable prestress supporting frame system |
| CN104032754A (en) * | 2014-06-10 | 2014-09-10 | 德清鑫德机械有限公司 | Strut connecting piece of foundation pit opposite-supporting device |
| CN104032746A (en) * | 2014-06-10 | 2014-09-10 | 德清鑫德机械有限公司 | Support filler block structure of foundation pit reflex angular position |
| CN104032754B (en) * | 2014-06-10 | 2016-01-06 | 德清鑫德机械有限公司 | A kind of foundation ditch is to the strut connector of support arrangement |
| CN104032746B (en) * | 2014-06-10 | 2016-04-06 | 德清鑫德机械有限公司 | A kind of supporting fill block structure of foundation ditch angle position |
| CN104947688A (en) * | 2015-07-02 | 2015-09-30 | 山东科技大学 | Detachable combined variable-cross section steel middle beam |
| CN108532613A (en) * | 2018-07-03 | 2018-09-14 | 戴向胜 | Adjustable support rigidity pre-loaded support struts structure |
| CN110924411A (en) * | 2019-11-15 | 2020-03-27 | 中交武汉港湾工程设计研究院有限公司 | Steel sheet pile cofferdam prefabricated supporting structure convenient to system conversion |
| CN110924411B (en) * | 2019-11-15 | 2024-06-14 | 中交武汉港湾工程设计研究院有限公司 | Steel sheet pile cofferdam assembled supporting structure convenient for system conversion |
| CN111270683A (en) * | 2020-03-20 | 2020-06-12 | 广州宏途设备工程有限公司 | Long-span foundation pit soil layer temporary supporting system |
| CN113338302A (en) * | 2021-06-21 | 2021-09-03 | 子西租赁股份有限公司 | Super large span inverted splayed bracing steel supporting structure |
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Inventor after: Hu Huan Inventor before: He Yixin |
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