CN223241113U - Steel truss integral lifting stress conversion device - Google Patents
Steel truss integral lifting stress conversion deviceInfo
- Publication number
- CN223241113U CN223241113U CN202422511212.8U CN202422511212U CN223241113U CN 223241113 U CN223241113 U CN 223241113U CN 202422511212 U CN202422511212 U CN 202422511212U CN 223241113 U CN223241113 U CN 223241113U
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- CN
- China
- Prior art keywords
- steel truss
- saddle
- plate
- conversion device
- steel
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Abstract
The utility model provides a steel truss integral lifting stress conversion device which comprises a saddle, a plurality of dowel bars and a connecting seat, wherein the saddle, the dowel bars and the connecting seat are sequentially arranged from bottom to top, an arc-shaped groove is formed in the top of the saddle and used for placing a steel truss, an anti-slip member is arranged in the arc-shaped groove, the top of the anti-slip member is connected with the bottom of the steel truss, the bottom of the anti-slip member penetrates out and is fixed to the bottom of the saddle, the connecting seat is arranged above the saddle and is connected with the saddle through the dowel bars, a penetrating channel is formed in the connecting seat and used for penetrating steel strands of a penetrating jack, so that lifting tension of the penetrating jack is transmitted to the saddle through the dowel bars, and then the lifting tension is converted into upward pressure on the steel truss. The utility model can safely and stably convert the upward tension provided by the lifting jack through the steel stranded wires into the upward pressure obtained by the lower chord node of the steel truss.
Description
Technical Field
The utility model relates to the technical field of civil engineering, in particular to a steel truss integral lifting stress conversion device.
Background
The large-span steel truss roof adopts an integrally lifted construction scheme, which is a common construction method, in order to reduce the measure cost and accelerate the construction speed. In the construction method of integral lifting, a lifting jack is positioned above a truss node, and upward tension is provided by a steel strand, and the design stress mode of the steel truss is that the truss lower chord node is stressed upward. The lifting tension of the lifting jack is converted into upward pressure borne by the truss lower chord member through the stress conversion member, the existing stress conversion member is easy to slip or rotate in the construction process, and the conversion of the lifting tension cannot be stably and safely realized.
Disclosure of Invention
In view of the above, the utility model provides a steel truss integral lifting stress conversion device, which aims to solve the problems that a lifting stress conversion piece is easy to slip or rotate in the construction process, conversion of lifting tension cannot be stably and safely realized, and later dismantling is inconvenient.
The utility model provides a steel truss integral lifting stress conversion device which comprises a saddle, a plurality of dowel bars and a connecting seat which are sequentially arranged from bottom to top,
The top of the saddle is provided with an arc-shaped groove for placing a steel truss;
An anti-slip member is arranged in the arc-shaped groove, the top of the anti-slip member is connected with the bottom of the steel truss, and the bottom of the anti-slip member penetrates out and is fixed at the bottom of the saddle, so that the saddle and the lower chord member of the steel truss are prevented from rotating and sliding after being stressed;
The connecting seat is arranged above the saddle and is connected with the saddle through a plurality of dowel bars;
And the connecting seat is provided with a penetrating channel for penetrating the steel stranded wire of the center-penetrating jack, so that the lifting tension of the center-penetrating jack is transmitted to the saddle through each dowel bar, and then the lifting tension is converted into upward pressure on the steel truss.
Further, in the steel truss integral lifting stress conversion device, the saddle comprises a bottom plate, wherein,
The bottom plate is provided with a plurality of first connecting holes for inserting the dowel bars;
The base plate is provided with two first transverse rib plates, a plurality of first longitudinal rib plates are respectively arranged on the outer sides of the two first transverse rib plates, a plurality of first middle rib plates are arranged between the two first transverse rib plates, the first middle rib plates are arranged in one-to-one correspondence with the first longitudinal rib plates, and arc-shaped grooves are formed in the upper parts of the first middle rib plates.
Further, in the steel truss integral lifting stress conversion device, clamping grooves are formed in the arc-shaped grooves of the two first middle rib plates positioned in the middle of the steel truss integral lifting stress conversion device and are used for clamping the anti-slip component.
Further, in the steel truss integral lifting stress conversion device, the connecting seat comprises an upper connecting plate and a lower connecting plate, wherein,
The upper connecting plate is provided with a plurality of second connecting holes, and each second connecting hole is arranged in one-to-one correspondence with each first connecting hole and is used for inserting the dowel steel;
The upper connecting plate and the lower connecting plate are provided with through penetrating holes for penetrating the steel strands;
Two second transverse rib plates are arranged between the upper connecting plate and the lower connecting plate;
And a plurality of second longitudinal ribs are respectively arranged on the outer sides of the two second transverse ribs, a plurality of second middle ribs are arranged between the two second transverse ribs, and the second middle ribs are arranged in one-to-one correspondence with the second longitudinal ribs.
Further, in the steel truss integral lifting stress conversion device, the anti-skid member comprises an anti-skid plate, a fixed rod and a pressing plate which are connected, wherein,
The antiskid plate is axially arranged at the bottom of the node of the lower chord member of the steel truss;
The fixed rod is connected to the bottom of the antiskid plate along the vertical direction, and an internal thread cylinder is arranged in the fixed rod;
the saddle bottom is offered the preformed hole, is used for making the dead lever wears to establish, and through the bolt with the clamp plate is connected.
Furthermore, in the steel truss integral lifting stress conversion device, the antiskid plate is a U-shaped steel plate.
Furthermore, in the steel truss integral lifting stress conversion device, the fixing rod is of a square columnar structure.
Further, in the steel truss integral lifting stress conversion device, the pressing plate is of a square plate-shaped structure, and supporting blocks are arranged at four corners of the pressing plate.
Further, in the steel truss integral lifting stress conversion device, external threads are formed at two ends of the dowel bar.
Further, in the steel truss integral lifting stress conversion device, an anchor is arranged at the bottom of the connecting seat and used for fixing the steel stranded wires.
According to the steel truss integral lifting stress conversion device, the lower chord member of the steel truss is placed on the saddle, the penetrating jack is connected above the connecting seat, the plurality of dowel bars are connected between the connecting seat and the saddle, the tension of the lifting jack is transmitted to the steel strand connecting seat through the steel strand, and then transmitted to the saddle through the dowel bars, the lower chord member node of the steel truss is located above the saddle, so that the steel truss is converted into upward pressure applied to the steel truss, and meanwhile, the situation that the saddle slides or rotates due to uneven stress in the stress process can be effectively prevented through the arrangement of the anti-skid member.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the utility model. Also, like reference numerals are used to designate like parts throughout the figures. In the drawings:
Fig. 1 is a schematic diagram of an application state structure of a steel truss integral lifting stress conversion device provided by an embodiment of the utility model;
fig. 2 is a schematic structural diagram of a steel truss integral lifting stress conversion device according to an embodiment of the present utility model;
Fig. 3 is a schematic plan view illustrating a saddle in a steel truss integral lifting stress conversion device according to an embodiment of the present utility model;
FIG. 4 is a plan elevation view of a saddle in a steel truss integral lifting stress conversion device provided by an embodiment of the utility model;
FIG. 5 is a cross-sectional view taken along line a-a of FIG. 3;
FIG. 6 is a cross-sectional view taken along line b-b of FIG. 3;
FIG. 7 is a cross-sectional view of section c-c of FIG. 3;
FIG. 8 is a plan view of a steel strand connecting seat in a steel truss integral lifting stress conversion device according to an embodiment of the present utility model;
FIG. 9 is a plan elevation view of a steel strand connecting seat in a steel truss integral lifting stress conversion device according to an embodiment of the present utility model;
FIG. 10 is a section d-d of FIG. 8;
FIG. 11 is a section view of e-e of FIG. 8;
FIG. 12 is a section f-f of FIG. 10;
FIG. 13 is an elevation view of a steel truss in a steel truss integral lifting stress conversion device provided by an embodiment of the utility model;
FIG. 14 is a section view g-g of FIG. 13;
fig. 15 is a section h-h of fig. 13.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art. It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other. The utility model will be described in detail below with reference to the drawings in connection with embodiments.
Referring to fig. 1, 2 and 13-15, the steel truss integral lifting stress conversion device of the embodiment of the utility model comprises a saddle 1, a plurality of dowel bars 6 and a connecting seat 2 which are sequentially arranged from bottom to top, wherein an arc-shaped groove 10 is formed in the top of the saddle 1 and is used for placing a steel truss 5, an anti-slip member 4 is arranged in the arc-shaped groove 10, the top of the anti-slip member 4 is connected with the bottom of the steel truss 5, the bottom of the anti-slip member 4 penetrates out and is fixed to the bottom of the saddle 1 and is used for preventing the saddle 1 and a lower chord member 51 of the steel truss 5 from rotating and sliding after stress, the connecting seat 2 is arranged above the saddle 1 and is connected with the saddle 1 through the dowel bars 6, and a penetrating channel 200 is formed in the connecting seat 2 and is used for penetrating a steel stranded wire 7 of a penetrating jack 3 so as to transfer lifting tension of the penetrating jack 3 to the saddle 1 through the dowel bars 6 and convert the lifting tension to upward pressure to the steel truss 5.
Specifically, the saddle 1 and the connecting seat 2 can be welded by steel plates, and transverse and vertical rib plates are arranged on the bottom steel plate and welded into a whole. A plurality of connecting holes are formed at the corners of the saddle 1 and the connecting seat 2, and each dowel bar 6 can be penetrated. The middle part of the connecting seat 2 is provided with a penetrating channel 200 for penetrating the steel stranded wire of the penetrating jack 3. An anchor device 8 is arranged at the bottom of the connecting seat 2 corresponding to the penetrating channel 200 and is used for fixing the steel stranded wires 7. The anchor may be any anchor for fixing the steel strand 7 in the prior art, and this embodiment is not limited thereto.
The connecting seat 2 is located above the saddle 1, the difference in height between which can be determined according to the actual height of the steel truss 5.
More specifically, referring to fig. 3-7, the saddle 1 includes a bottom plate 11, wherein a plurality of first connecting holes 111 are formed in the bottom plate 11 for inserting the dowel bars 6, two first transverse ribs 112 are disposed on the bottom plate 11, a plurality of first longitudinal ribs 113 are disposed on the outer sides of the two first transverse ribs 112, a plurality of first middle ribs 114 are disposed between the two first transverse ribs 112, each first middle rib 114 is disposed in one-to-one correspondence with each first longitudinal rib 113, and an arc-shaped groove 10 is disposed on the upper portion of each first middle rib 114.
The bottom plate 11 may be a square plate, and the first latitudinal rib 112 may be a rectangular plate. The first longitudinal rib 113 may be a right angle trapezoidal plate. The first longitudinal plates are arranged at equal intervals.
Each first middle rib 114 may be a rectangular plate with an arc-shaped groove 10 at the top, and the arc of the arc-shaped groove 10 on each first middle rib 114 is consistent, so as to be attached to the outer wall of the lower chord 51 of the steel truss 5.
In practice, the middle part of the bottom plate 11 is provided with a preformed hole 102 for penetrating the fixing rod 42 of the anti-skid member 4.
Further, the two arc-shaped grooves 10 of the first middle rib plates 114 at the middle part are provided with clamping grooves 101 for clamping the antiskid plate 41 of the antiskid member 4. The clamping groove 101 is U-shaped and matches the shape of the antiskid plate 41 of the antiskid member 4.
In this embodiment, external threads 61 are provided at both ends of the dowel bar 6 to be fastened to the top of the connection seat 2 and the bottom of the saddle 1 by two-way locknuts 9, respectively, and a backing plate 100 is further provided at the top of the connection seat 2 and the bottom of the saddle 1. In this embodiment, the dowel bar 6 is a screw-thread steel.
The utility model adopts common engineering materials such as steel plates, finish-rolled deformed steel bars, bolts and the like, has convenient sources and reduces the manufacturing cost.
The above is obvious that, in the steel truss integral lifting stress conversion device provided in this embodiment, the lower chord member of the steel truss is placed on the saddle, the center-penetrating jack is connected above the connecting seat, the plurality of dowel bars are connected between the connecting seat and the saddle, the tension force of the lifting jack is transferred to the steel strand connecting seat through the steel strand, and then transferred to the saddle through the dowel bars, and the lower chord member node of the steel truss is located above the saddle, so as to convert the tension force into upward pressure applied to the steel truss; meanwhile, through the arrangement of the anti-slip component, the saddle can be effectively prevented from sliding or rotating due to uneven stress in the stress process.
Referring to fig. 8 to 12, in the foregoing embodiment, the connection base 2 includes an upper connection plate 21 and a lower connection plate 22, where a plurality of second connection holes 211 are formed on the upper connection plate 21, each second connection hole 211 is disposed in a one-to-one correspondence with each first connection hole 111 and is used for inserting the dowel bar 6, penetrating holes are formed on the upper connection plate 21 and the lower connection plate 22 and form penetrating channels for penetrating the steel strands 7, two second transverse ribs 201 are disposed between the upper connection plate 21 and the lower connection plate 22, a plurality of second longitudinal ribs 202 are disposed on the outer sides of the two second transverse ribs 201, a plurality of second middle ribs 203 are disposed between the two second transverse ribs 201, and each second middle rib 203 is disposed in one-to-one correspondence with each second longitudinal rib 202.
Specifically, the upper connection plate 21 may be a square plate, and the lower connection plate 22 may be a rectangular plate. The edge of the upper connection plate 21 may extend to the edge of the lower connection plate 22.
The second latitudinal rib 201 has the same structure as the first latitudinal rib 112, and the first longitudinal rib 113 has the same structure as the second longitudinal rib 202. Each of the second intermediate ribs 203 may be a rectangular plate.
With continued reference to fig. 1-2 and fig. 13-15, in the foregoing embodiment, the anti-slip member 4 includes an anti-slip plate 41, a fixing rod 42 and a pressing plate 43, where the anti-slip plate 41 is axially disposed at the bottom of a node of the lower chord 51 of the steel truss 5, the fixing rod 42 is vertically connected to the bottom of the anti-slip plate 41, an internal thread cylinder 44 is formed in the fixing rod 42, and a preformed hole 102 is formed in the bottom of the saddle 1 to enable the fixing rod 42 to penetrate and be connected with the pressing plate 43 through a bolt 45.
Specifically, the cleat 41 is engaged with the engagement groove 101 of the saddle 1. The cleat 41 may be a U-shaped steel plate that is disposed along the length of the lower chord 51 of the steel truss 5 and has an opening in contact with the lower chord 51. That is, the dimension of the cleat 41 in the length direction along the bottom chord 51 coincides with the spacing of the two first intermediate ribs 114 at both ends of the saddle 1. The top of the fixing rod 42 is welded with the bottom of the antiskid plate 41.
Both ends of the cleat 41 may abut on the side walls of the two first intermediate ribs 114 at both ends to prevent the rear saddle 1 from sliding relative to the lower chord 51. The cleat 41 may be welded to the bottom chord 51. The fixing rod 42 is of a square columnar structure, and is connected with the pressing plate 43 through a preformed hole 102 formed in the bottom of the saddle 1. The preformed hole 102 may be a square hole. The pressing plate 43 has a square plate-like structure, and four corners thereof are provided with supporting blocks.
In specific implementation, the antiskid plate 41 is clamped in the clamping groove 101 in the section direction of the lower chord member 51 to prevent the saddle 1 and the lower chord member 51 from rotating relatively after being stressed, the antiskid plate 41 is abutted against the inner sides of the first middle rib plates 114 positioned at the two ends on the saddle 1 at the two ends along the length direction of the lower chord member 51 to prevent the saddle 1 and the lower chord member 51 from sliding relatively after being stressed, the fixing rod 42 passes through the reserved hole 102 on the antiskid plate 41, and the bottom is screwed into the inner thread cylinder 44 through the pressing plate 43 by bolts to be fixed.
In fig. 13, reference numeral 51 denotes a lower chord of the steel truss, reference numeral 52 denotes a vertical bar of the steel truss, and reference numeral 53 denotes a diagonal bar of the steel truss.
In summary, the lifting jack can safely and stably convert the upward tension provided by the steel stranded wires into the upward pressure obtained by the lower chord node of the steel truss, so that the actual stress mode of the steel truss is consistent with the designed stress mode, and meanwhile, the relative sliding or rotation of the saddle can be effectively prevented, and the safety of the lifting process is ensured.
It will be apparent to those skilled in the art that various modifications and variations can be made to the present utility model without departing from the spirit or scope of the utility model. Thus, it is intended that the present utility model also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.
Claims (10)
1. The integral lifting stress conversion device for the steel truss is characterized by comprising a saddle, a plurality of dowel bars and a connecting seat which are sequentially arranged from bottom to top,
The top of the saddle is provided with an arc-shaped groove for placing a steel truss;
An anti-slip member is arranged in the arc-shaped groove, the top of the anti-slip member is connected with the bottom of the steel truss, and the bottom of the anti-slip member penetrates out and is fixed at the bottom of the saddle, so that the saddle and the lower chord member of the steel truss are prevented from rotating and sliding after being stressed;
The connecting seat is arranged above the saddle and is connected with the saddle through a plurality of dowel bars;
The connecting seat is internally provided with a penetrating channel for penetrating the steel stranded wire of the center-penetrating jack, so that the lifting tension of the center-penetrating jack is transmitted to the saddle through each dowel bar, and then the lifting tension is converted into upward pressure on the steel truss.
2. The steel truss integral lifting stress conversion device according to claim 1, wherein the saddle comprises a bottom plate, wherein,
The bottom plate is provided with a plurality of first connecting holes for inserting the dowel bars;
The base plate is provided with two first transverse rib plates, a plurality of first longitudinal rib plates are respectively arranged on the outer sides of the two first transverse rib plates, a plurality of first middle rib plates are arranged between the two first transverse rib plates, the first middle rib plates are arranged in one-to-one correspondence with the first longitudinal rib plates, and arc-shaped grooves are formed in the upper parts of the first middle rib plates.
3. The steel truss integral lifting stress conversion device according to claim 2, wherein clamping grooves are formed in the arc-shaped grooves of the two first middle rib plates positioned in the middle part and used for clamping the anti-slip component.
4. The steel truss integral lifting stress conversion device according to claim 2, wherein the connecting seat comprises an upper connecting plate and a lower connecting plate, wherein,
The upper connecting plate is provided with a plurality of second connecting holes, and each second connecting hole is arranged in one-to-one correspondence with each first connecting hole and is used for inserting the dowel steel;
The upper connecting plate and the lower connecting plate are provided with through penetrating holes for penetrating the steel strands;
Two second transverse rib plates are arranged between the upper connecting plate and the lower connecting plate;
And a plurality of second longitudinal ribs are respectively arranged on the outer sides of the two second transverse ribs, a plurality of second middle ribs are arranged between the two second transverse ribs, and the second middle ribs are arranged in one-to-one correspondence with the second longitudinal ribs.
5. The steel truss integral lifting stress conversion device of claim 1, wherein the anti-slip member comprises an anti-slip plate, a fixed rod and a pressing plate which are connected, wherein,
The antiskid plate is axially arranged at the bottom of the node of the lower chord member of the steel truss;
The fixed rod is connected to the bottom of the antiskid plate along the vertical direction, and an internal thread cylinder is arranged in the fixed rod;
the saddle bottom is offered the preformed hole, is used for making the dead lever wears to establish, and through the bolt with the clamp plate is connected.
6. The steel truss integral lifting stress conversion device according to claim 5, wherein the antiskid plate is a U-shaped steel plate.
7. The steel truss integral lifting stress conversion device according to claim 5, wherein the fixing rod is of a square columnar structure.
8. The steel truss integral lifting stress conversion device according to claim 5, wherein the pressing plate is of a square plate-shaped structure, and supporting blocks are arranged at four corners of the pressing plate.
9. The steel truss integral lifting stress conversion device according to claim 1, wherein external threads are formed at two ends of the dowel bar.
10. The steel truss integral lifting stress conversion device according to claim 1, wherein an anchor is arranged at the bottom of the connecting seat for fixing the steel strands.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202422511212.8U CN223241113U (en) | 2024-10-17 | 2024-10-17 | Steel truss integral lifting stress conversion device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202422511212.8U CN223241113U (en) | 2024-10-17 | 2024-10-17 | Steel truss integral lifting stress conversion device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN223241113U true CN223241113U (en) | 2025-08-19 |
Family
ID=96726635
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202422511212.8U Active CN223241113U (en) | 2024-10-17 | 2024-10-17 | Steel truss integral lifting stress conversion device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN223241113U (en) |
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2024
- 2024-10-17 CN CN202422511212.8U patent/CN223241113U/en active Active
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