CN213112291U - Roof truss steel shotcrete installation hoisting accessory - Google Patents
Roof truss steel shotcrete installation hoisting accessory Download PDFInfo
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- CN213112291U CN213112291U CN202021470898.6U CN202021470898U CN213112291U CN 213112291 U CN213112291 U CN 213112291U CN 202021470898 U CN202021470898 U CN 202021470898U CN 213112291 U CN213112291 U CN 213112291U
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- roof truss
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Abstract
The utility model provides a roof truss steel supports installation hoisting accessory, relate to steel construction technical field, including C type fixture, closing rod and jib, the C type fixture has been seted up near the position of its C type opening part, closing rod inserts and forms "square" enclosed construction with C type fixture in the jack, C type fixture includes the fixed panel, connect vertical pivot on the fixed panel, the jib includes the cantilever section and the transverse connection section that are connected, the end of cantilever section is connected with the pulley, wear to be equipped with wire rope on the pulley, the transverse connection section is connected with the fixed panel rotation through vertical pivot, the last a plurality of spacing grooves of having seted up along the circumference of vertical pivot of fixed panel, the transverse connection section is provided with gag lever post and spacing hole, the gag lever post runs through the spacing hole and sits in the spacing groove, with the rotational position of fixed transverse connection section relative fixed panel, when solving and adopting the crane hoist and hoist the steel support among the prior art, the problems of command of a signal worker, lower construction efficiency and larger potential safety hazard in the construction process are solved.
Description
Technical Field
The utility model belongs to the technical field of the steel construction, specifically provide a roof truss steel shotcrete installation hoisting accessory.
Background
In the construction process of the concrete prestressed roof truss of a single-storey factory building or warehouse, steel supports are required to be arranged between the upper chords and between the lower chords of two adjacent roof trusses. In the hoisting process of the steel support, a crane is usually adopted for hoisting and installation, but a crane driver is usually in a visual field blind area and needs to be commanded by a signal worker, so that the operation time of the crane and constructors is increased, the construction efficiency is low, the mechanical cost and the labor cost are increased, and great potential safety hazards exist in the construction process.
Accordingly, there is a need in the art for a roof truss steel support mounting hoist that addresses the above-mentioned problems.
SUMMERY OF THE UTILITY MODEL
The utility model provides a roof truss steel shotcrete installation hoisting accessory, when adopting crane hoist and mount steel shotcrete among the solution prior art, the great problem of potential safety hazard in the command of signal worker, the efficiency of construction is lower and the work progress.
The technical scheme of the utility model is realized like this: a lifting device for installing steel supports on roof trusses comprises a C-shaped clamp, a closing rod and a hanging rod, wherein a jack is formed in the position, close to a C-shaped opening, of the C-shaped clamp, the closing rod is inserted into the jack and forms a closed structure in a square shape with the C-shaped clamp, the closed structure is used for being arranged on the upper chord of the roof truss in an enclosing mode, the C-shaped clamp comprises a fixing panel, the fixing panel is placed above the upper chord of the roof truss, a vertical rotating shaft with a T-shaped longitudinal section is connected onto the fixing panel, the hanging rod comprises a cantilever section and a transverse connecting section, the cantilever section is connected with the transverse connecting section, a pulley is connected to the tail end of the cantilever section, a steel wire rope penetrates through the pulley, one end of the steel wire rope is used for being connected with a power system, the other end of the steel wire rope is used for being connected with a steel support, the transverse connection section is provided with a limiting rod and a limiting hole vertically corresponding to the limiting groove, and the limiting rod penetrates through the limiting hole and is located in the limiting groove to fix the transverse connection section relative to the rotating position of the fixing panel.
The technical effect of the scheme is as follows: through the arrangement, the C-shaped fixture can be clamped on the upper chord of the roof truss before the roof truss is installed, then the closing rod is inserted into the insertion hole to fix the installation hoisting device on the upper chord of the roof truss, the installation hoisting device is hoisted and installed along with the roof truss, after the installation of the roof truss is completed, one end of the steel wire rope is connected with the power system, the other end of the steel wire rope is connected with the steel support, the installation hoisting devices on two adjacent roof trusses hoist the two ends of the steel support simultaneously, the hoisting process does not need to be commanded by a signal worker, the labor and the time are saved, the construction efficiency is improved, the hoisting process is safe and reliable, and the potential safety hazard; the lifting rod is rotatably connected with the fixing panel, after the lifting installation of the steel support on one side of the roof truss is completed, the limiting rod is directly pulled out without dismounting and installing a lifting device, the lifting rod is rotated to enable the cantilever of the lifting rod to extend to the other side of the roof truss, then the limiting rod penetrates through the limiting hole and is inserted into the limiting groove, the two ends of the steel support can be directly lifted to the installation position by adjusting the rotating position of the lifting rod relative to the fixing panel, and a construction worker can directly install the two ends, so that the construction efficiency is further improved; the top of vertical pivot forms spacingly to the transverse connection section of jib, avoids the jib at the in-process that lifts by crane the steel shotcrete, slips from vertical pivot, guarantees the security of work progress.
In the preferable technical scheme of the roof truss steel support installation hoisting device, the fixing panel is provided with two limiting grooves, the two limiting grooves are symmetrically arranged relative to the center of the vertical rotating shaft, and a connecting line between the two limiting grooves is perpendicular to the extending direction of the upper chord of the roof truss.
The technical effect of the scheme is as follows: through the arrangement, the hanger rod can be ensured to be capable of steering to two sides of the roof truss and fixing the rotating position, the steel support is safely, efficiently and accurately lifted and installed, and the strength of the fixing panel is also ensured.
In the preferred technical scheme of above-mentioned roof truss steel shotcrete installation hoisting accessory, the transverse connection section is discoid, vertical pivot is located on the axis of transverse connection section, the mounting panel up end undercut is formed with circular holding tank, the transverse connection section set up in the circular holding tank, edge orientation above the circular holding tank vertical pivot place axis extends to have a spacing boss, the lower terminal surface of spacing boss with the up end laminating of transverse connection section.
The technical effect of the scheme is as follows: through locating the transverse connection section in circular holding tank to set up spacing boss, the mounting panel is half wrapped up in the transverse connection section, and restriction transverse connection section is in horizontal and fore-and-aft activity, guarantees the steadiness of jib at the in-process of hoist and mount steel shotcrete, improves installation hoisting accessory's security performance.
In the preferable technical scheme of the hoisting device for installing the steel supports of the roof truss, the C-shaped fixture comprises L-shaped clamping strips, the tail ends of the vertical parts of the L-shaped clamping strips are fixedly connected with the bottom of the fixing panel to form a C-shaped structure, the fixing panel and the tail ends of the transverse parts of the L-shaped clamping strips are correspondingly provided with the jacks, the jacks extend along the vertical direction, and at least one pair of L-shaped clamping strips are arranged.
The technical effect of the scheme is as follows: the fixed panel is abutted against the top of the upper chord of the roof truss, the vertical part of the L-shaped clamping strip is abutted against the side part of the upper chord of the roof truss, the horizontal part of the L-shaped clamping strip is abutted against the bottom of the upper chord of the roof truss, the closing rod is inserted into the insertion hole and abutted against the other side part of the upper chord of the roof truss, the mounting and hoisting device is fixed on the upper chord of the roof truss, and the stability of the mounting and hoisting device on the upper chord of the roof truss is guaranteed.
In the preferable technical scheme of the hoisting device for installing the steel supports of the roof truss, the fixing panel and the tail end of the transverse part of the L-shaped clamping strip are provided with locking screw holes perpendicular to the extending direction of the insertion holes, the extending direction of the locking screw holes is the same as the extending direction of the transverse part of the L-shaped clamping strip, and the tail end of each locking bolt penetrates through the corresponding locking screw hole and abuts against the corresponding closing rod.
The technical effect of the scheme is as follows: through setting up locking screw and locking bolt, locking bolt can tightly support the closing rod at the lateral part of roof truss upper chord to firmly enclose whole installation hoisting accessory and establish on the roof truss upper chord, avoid in the hoist and mount process, installation hoisting accessory takes place to slide along the roof truss upper chord, influences the security.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
FIG. 1 is a schematic view of the steel support installation hoisting device of the roof truss of the present invention;
FIG. 2 is a working state diagram of the lifting device for installing the steel supports of the roof truss of the present invention;
fig. 3 is the utility model discloses roof truss steel shotcrete installation hoisting accessory's top view.
List of reference numerals: 1. a C-shaped fixture; 11. a jack; 12. fixing the panel; 121. a limiting groove; 122. a circular accommodating groove; 123. a limiting boss; 13. a vertical rotating shaft; 14. an L-shaped clamping strip; 15. locking the screw hole; 16. locking the bolt; 2. a closing rod; 3. a boom; 31. a cantilever section; 32. a transverse connecting section; 321. a limiting rod; 322. a limiting hole; 33. a pulley; 34. a wire rope; 4. stringing the roof truss; 5. and (5) supporting steel.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
It should be noted that in the description of the present invention, the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicating the directions or positional relationships are based on the directions or positional relationships shown in the drawings, which are only for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
Furthermore, it should be noted that, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
The utility model discloses roof truss steel shotcrete installation hoisting accessory's concrete embodiment: as shown in fig. 1 to 3, an installation and hoisting device (hereinafter referred to as an installation and hoisting device) for a steel support 5 of a roof truss comprises a C-shaped fixture 1, a closing rod 2 and a suspender 3, wherein the C-shaped fixture 1 is provided with an insertion hole 11 near a C-shaped opening, the closing rod 2 is inserted into the insertion hole 11 to form a square-shaped closed structure enclosing an upper chord 4 of the roof truss with the C-shaped fixture 1, the C-shaped fixture 1 comprises a fixed panel 12 arranged above the upper chord 4 of the roof truss, the fixed panel 12 is connected with a vertical rotating shaft 13 with a T-shaped longitudinal section, the suspender 3 comprises a cantilever section 31 and a transverse connecting section 32 which are connected, the tail end of the cantilever section 31 is connected with a pulley 33, a steel wire rope 34 is arranged on the pulley 33 in a penetrating manner, one end of the steel wire rope 34 is used for being connected with a power system, the other end of the steel support 5 is used for being connected with, a plurality of limiting grooves 121 are formed in the fixing panel 12 along the circumferential direction of the vertical rotating shaft 13, the transverse connecting section 32 is provided with a limiting rod 321 and a limiting hole 322 vertically corresponding to the limiting groove 121, and the limiting rod 321 penetrates through the limiting hole 322 to be located in the limiting groove 121 so as to fix the rotating position of the transverse connecting section 32 relative to the fixing panel 12.
Before the roof truss is installed, the C-shaped fixture 1 can be clamped on the upper chord 4 of the roof truss, then the closing rod 2 is inserted into the insertion hole 11 to fix the installation hoisting device on the upper chord 4 of the roof truss, the installation hoisting device is hoisted and installed along with the roof truss, after the installation of the roof truss is completed, one end of the steel wire rope 34 is connected with the power system, the other end of the steel wire rope is connected with the steel support 5, the installation hoisting devices on two adjacent roof trusses hoist the two ends of the steel support 5 simultaneously, the hoisting process does not need to be commanded by a signal worker, the labor and the time are saved, the construction efficiency is improved, the hoisting process is safe and reliable, and the potential safety; the hanger rod 3 is rotatably connected with the fixing panel 12, after the lifting installation of the steel support 5 on one side of the roof truss is completed, the limiting rod 321 is directly pulled out without dismounting and installing a lifting device, the hanger rod 3 is rotated to enable the cantilever of the hanger rod to extend to the other side of the roof truss, the limiting rod 321 penetrates through the limiting hole 322 and is inserted into the limiting groove 121, the two ends of the steel support 5 can be directly lifted to the installation position by adjusting the rotating position of the hanger rod 3 relative to the fixing panel 12, and a constructor can directly install the two ends, so that the construction efficiency is further improved; the top of vertical pivot 13 forms spacingly to the transverse connection section 32 of jib 3, avoids jib 3 at the in-process that lifts by crane steel shotcrete 5, slips from vertical pivot 13, guarantees the security of work progress.
Preferably, C type fixture 1 includes L type screens strip 14, and the end of the vertical part of L type screens strip 14 and the bottom fixed connection of fixed panel 12 to form C type structure, and the terminal correspondence of the horizontal part of fixed panel 12 and L type screens strip 14 has seted up jack 11, and jack 11 extends along vertical direction, and L type screens strip 14 is equipped with a pair.
The fixing panel 12 abuts against the top of the roof truss upper chord 4, the vertical part of the L-shaped clamping strip 14 abuts against the side part of the roof truss upper chord 4, the horizontal part of the L-shaped clamping strip 14 abuts against the bottom of the roof truss upper chord 4, the closing rod 2 is inserted into the insertion hole 11 and abuts against the other side part of the roof truss upper chord 4, the mounting and hoisting device is fixed on the roof truss upper chord 4, and the stability of the mounting and hoisting device on the roof truss upper chord 4 is guaranteed.
It is understood that, although the C-shaped fixture 1 described in the above embodiments includes the L-shaped retaining strips 14, the L-shaped retaining strips 14 and the fixing panel 12 form a C-shaped structure, this is not a limitation to the structure of the C-shaped fixture 1, for example, the C-shaped fixture 1 may be further configured to include vertical retaining strips, the vertical retaining strips are disposed on two sides of the bottom of the fixing panel 12 in pairs, the corresponding positions of each pair of vertical retaining strips are provided with the insertion holes 11, the insertion holes 11 extend along the horizontal direction, each pair of vertical retaining strips are respectively clamped on two sides of the roof truss upper chord 4, the closing rod 2 is inserted in the insertion holes 11 at the bottom of the roof truss upper chord 4, or the C-shaped fixture is configured to include the vertical retaining plates or the L-shaped retaining plates, and those skilled in the art can reasonably set the structure of the C-shaped fixture 1 according to actual situations and needs.
It should also be understood that the above-mentioned embodiment has only one pair of L-shaped retaining strips 14, and is not limited to the number of L-shaped retaining strips 14, for example, three L-shaped retaining strips 14, two pairs of L-shaped retaining strips 14, etc. may be provided, and those skilled in the art may reasonably set the number of L-shaped retaining strips 14 according to actual conditions and needs.
Preferably, the fixing panel 12 and the end of the transverse portion of the L-shaped blocking strip 14 are provided with locking screw holes 15 perpendicular to the extension direction of the insertion holes 11, the extension direction of the locking screw holes 15 is the same as the extension direction of the transverse portion of the L-shaped blocking strip 14, and the end of the locking bolt 16 passes through the locking screw holes 15 and abuts against the closing rod 2.
Through the arrangement of the locking screw holes 15 and the locking bolts 16, the locking bolts 16 can tightly abut the closing rod 2 against the side portion of the roof truss upper chord 4, so that the whole installation hoisting device is firmly surrounded on the roof truss upper chord 4, and the situation that the installation hoisting device slides along the roof truss upper chord 4 in the hoisting process to influence the safety is avoided.
Preferably, two limiting grooves 121 are formed in the fixing panel 12, the two limiting grooves 121 are symmetrically arranged about the center of the vertical rotating shaft 13, and a connecting line between the two limiting grooves 121 is perpendicular to the extending direction of the roof truss upper chord 4.
Through the arrangement, the hanger rods 3 can be ensured to be steered to the two sides of the roof truss and fix the rotating positions, the steel supports 5 are safely, efficiently and accurately lifted and installed, and the strength of the fixing panel 12 is also ensured.
Preferably, the transverse connection section 32 is discoid, and vertical pivot 13 is located the axis of transverse connection section 32, and the up end undercut of fixed panel 12 is formed with circular holding tank 122, and the transverse connection section 32 sets up in circular holding tank 122, and circular holding tank 122 upper edge extends towards vertical pivot 13 place axis has spacing boss 123, and the lower terminal surface of spacing boss 123 is laminated with the up end of transverse connection section 32.
Through locating transverse connection section 32 in circular holding tank 122 to set up spacing boss 123, fixing panel 12 is half parcel to transverse connection section 32, and restriction transverse connection section 32 is horizontal and fore-and-aft activity, guarantees the steadiness of jib 3 at the in-process of hoist and mount steel shotcrete 5, improves installation hoisting accessory's security performance.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. A lifting device for installing steel supports of roof trusses is characterized by comprising a C-shaped clamp, a closing rod and a hanging rod, wherein a jack is formed in the position, close to a C-shaped opening, of the C-shaped clamp, the closing rod is inserted into the jack and forms a square-shaped closed structure with the C-shaped clamp for enclosing an upper chord of the roof truss, the C-shaped clamp comprises a fixing panel for being placed above the upper chord of the roof truss, a vertical rotating shaft with a T-shaped longitudinal section is connected onto the fixing panel, the hanging rod comprises a cantilever section and a transverse connecting section which are connected with each other, a pulley is connected to the tail end of the cantilever section, a steel wire rope penetrates through the pulley, one end of the steel wire rope is used for being connected with a power system, the other end of the steel wire rope is used for being connected with a steel support, the transverse connecting section is rotatably connected with the fixing panel through the vertical rotating shaft, a plurality of limiting grooves, the transverse connection section is provided with a limiting rod and a limiting hole vertically corresponding to the limiting groove, and the limiting rod penetrates through the limiting hole and is located in the limiting groove to fix the transverse connection section relative to the rotating position of the fixing panel.
2. The roof truss steel support mounting and hoisting device of claim 1, wherein the fixing panel is provided with two limiting grooves, the two limiting grooves are symmetrically arranged about the center of the vertical rotating shaft, and a connecting line between the two limiting grooves is perpendicular to the extending direction of the upper chord of the roof truss.
3. The roof truss steel support mounting and hoisting device of claim 1 or 2, wherein the transverse connecting section is disc-shaped, the vertical rotating shaft is located on a central axis of the transverse connecting section, a circular accommodating groove is formed in the upper end surface of the fixing panel in a downward concave manner, the transverse connecting section is arranged in the circular accommodating groove, a limiting boss extends from an upper edge of the circular accommodating groove towards the axis of the vertical rotating shaft, and a lower end surface of the limiting boss is attached to an upper end surface of the transverse connecting section.
4. The roof truss steel support installation hoisting accessory of claim 1 or 2, wherein the C-shaped fixture includes an L-shaped clamping strip, the end of the vertical portion of the L-shaped clamping strip is fixedly connected with the bottom of the fixing panel to form a C-shaped structure, the fixing panel and the end of the horizontal portion of the L-shaped clamping strip are correspondingly provided with the insertion holes, the insertion holes extend in the vertical direction, and at least one pair of the L-shaped clamping strips is provided.
5. The roof truss steel support installation hoisting accessory of claim 4, wherein the fixing panel and the end of the transverse portion of the L-shaped clamping strip are provided with locking screw holes perpendicular to the extending direction of the insertion holes, the extending direction of the locking screw holes is the same as the extending direction of the transverse portion of the L-shaped clamping strip, and the end of the locking bolt penetrates through the locking screw holes and abuts against the closing rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021470898.6U CN213112291U (en) | 2020-07-23 | 2020-07-23 | Roof truss steel shotcrete installation hoisting accessory |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021470898.6U CN213112291U (en) | 2020-07-23 | 2020-07-23 | Roof truss steel shotcrete installation hoisting accessory |
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| Publication Number | Publication Date |
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| CN213112291U true CN213112291U (en) | 2021-05-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021470898.6U Active CN213112291U (en) | 2020-07-23 | 2020-07-23 | Roof truss steel shotcrete installation hoisting accessory |
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| CN (1) | CN213112291U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113235951A (en) * | 2021-06-16 | 2021-08-10 | 浙江吉通地空建筑科技有限公司 | Installation method and connection structure of section steel support |
-
2020
- 2020-07-23 CN CN202021470898.6U patent/CN213112291U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113235951A (en) * | 2021-06-16 | 2021-08-10 | 浙江吉通地空建筑科技有限公司 | Installation method and connection structure of section steel support |
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