Pit edge hoisting construction support and supporting method

Abstract

The invention relates to a pit edge hoisting construction support and a supporting method thereof and a supporting leg for supporting a hoisting device for pit edge construction, the pit edge hoisting construction support comprises the supporting leg for supporting the hoisting device for pit edge construction, and the pit edge hoisting construction support is characterized by comprising a first bearing beam, a second bearing beam, a third bearing beam and a fourth bearing beam, the first sleeper beams are supported at the bottoms of the first bearing beams and used for dispersing the load of the first bearing beams to the outside of the pit, and each pair of first sleeper beams are distributed and supported at the left end and the right end of the first bearing beam in pairs respectively. The first bearing beams used for supporting the supporting legs of the hoisting equipment are arranged on the edge of the pit, and the first sleeper beams used for dispersing the load borne by the first bearing beams are arranged at the bottoms of the first bearing beams, so that the situation that the hoisting equipment exerts too large pressure on an enclosure structure on the edge in the pit is prevented, and meanwhile the hoisting performance of the hoisting equipment can be exerted to the maximum extent; the hoisting efficiency is improved.

Description

Technical Field

[0001] The invention relates to the field of building construction, and in particular to a pit side hoisting construction support and a support method. Background Art

[0002] Pit-side hoisting construction is widely used in construction sites for hoisting steel structures, precast concrete components, etc. However, traditional pit-side hoisting construction requires a certain distance away from the pit, thereby increasing the hoisting radius of the hoisting equipment and sacrificing a part of the hoisting load of the hoisting equipment. In addition, pit-side hoisting will increase the soil pressure around the foundation pit, bringing certain risks to the safety of the retaining structure, such as Figure 6 As shown, the legs 31 of the hoisting equipment 3 need to be kept at a certain safety distance from the pit edge to prevent the hoisting equipment 3 from exerting excessive pressure on the foundation pit enclosure 4 . Summary of the invention

[0003] The present invention discloses a pit edge hoisting construction support and a support method. A first load-bearing beam for supporting the legs of the hoisting equipment is arranged at the pit edge, and a first pillow beam for dispersing the load borne by the first load-bearing beam is arranged at the bottom of the first load-bearing beam, so as to prevent the hoisting equipment from causing excessive pressure on the enclosure structure at the edge of the pit.

[0004] The present invention provides a pit-side hoisting construction support and a supporting method thereof. The pit-side hoisting construction support comprises: a first load-bearing beam arranged at the pit side for placing part of the supporting legs; and at least one pair of first bolster beams for dispersing the load of the first load-bearing beam to outside the pit, wherein each pair of the first bolster beams are respectively supported at two ends of the first load-bearing beam.

[0005] A further improvement of the present invention is that the pit is a rectangular foundation pit, the first load-bearing beam is arranged outside the edge of the rectangular foundation pit, both ends of the first load-bearing beam extend out and away from the range of the rectangular foundation pit to form a first extension section, and the first pillow beam is padded at the bottom of the first extension section.

[0006] A further improvement of the present invention is that the legs of the hoisting device on the side adjacent to the pit edge are supported on the first load-bearing beam, and the legs of the hoisting device on the side away from the pit edge are supported on the ground outside the pit.

[0007] A further improvement of the present invention is that it also includes a second load-bearing beam spanning above the rectangular foundation pit, both ends of the second load-bearing beam extending out and away from the range of the rectangular foundation pit to form a second extension section, at least one pair of second pillow beams are provided at the bottom of the second extension section, and a part of the legs of the lifting equipment are supported on the first load-bearing beam, and another part of the legs are supported on the second load-bearing beam.

[0008] A further improvement of the present invention is that a beam groove for placing the first load-bearing beam and the first pillow beam is opened on the outer side of the edge of the rectangular foundation pit.

[0009] A further improvement of the present invention is that the pit is a trench foundation pit, the first load-bearing beam is arranged outside the edge of the trench foundation pit along the length direction of the trench foundation pit, each of the first pillow beams spans the trench foundation pit along the width direction of the trench foundation pit, both ends of the first pillow beam extend out and away from the range of the trench foundation pit to form a third extension section, and at least one pair of third pillow beams for dispersing the load of the first pillow beam outside the trench foundation pit are fixed to the bottom of the two third extension sections of the first pillow beam.

[0010] The present invention provides a pit side support method for a hoisting device, comprising the following steps:

[0011] Before setting the hoisting equipment at the pit edge, provide a first load-bearing beam and at least one pair of first bolster beams, place the first load-bearing beam at the pit edge, and place each pair of first bolster beams at both ends of the first load-bearing beam;

[0012] A hoisting device is set up at the side of the pit, and some legs of the hoisting device are placed on the first load-bearing beam.

[0013] A further improvement of the present invention is that the pit is a rectangular foundation pit;

[0014] When placing the first load-bearing beam, the first load-bearing beam is arranged outside the edge of the rectangular foundation pit, and both ends of the first load-bearing beam extend out and away from the range of the rectangular foundation pit to form a first extension section;

[0015] When the first bolsters are padded, each pair of the first bolsters are padded at the bottoms of the two first extension sections respectively;

[0016] A further improvement of the present invention is:

[0017] Before setting the hoisting equipment at the pit edge, a second load-bearing beam and at least one pair of second bolster beams are provided;

[0018] Placing a second load-bearing beam, and placing the second load-bearing beam across the rectangular foundation pit, so that both ends of the second load-bearing beam extend out and away from the range of the rectangular foundation pit to form a second extension section; and placing each pair of the second bolster beams at the bottom of two second extension sections respectively;

[0019] When the hoisting equipment is arranged at the pit side, a part of the legs of the hoisting equipment is placed on the first load-bearing beam, and the other part is arranged on the second load-bearing beam.

[0020] A further improvement of the present invention is that the pit is a trench foundation pit, comprising the following steps:

[0021] Before setting up the lifting equipment at the pit edge, at least one pair of third bolsters is provided;

[0022] When placing the first load-bearing beam, the first load-bearing beam is arranged outside the edge of the trench foundation pit along the length direction of the trench foundation pit;

[0023] When placing the first bolster, the first bolster is placed across the trench foundation pit along the width direction of the trench foundation pit, and both ends of the first bolster are extended out and away from the range of the trench foundation pit to form a third extension section;

[0024] Each pair of third bolster beams is respectively padded at the bottom of the two third extension sections of the first bolster beam, and a pair of third bolster beams is correspondingly fixed.

[0025] When the hoisting equipment is arranged at the pit edge, a part of the legs of the hoisting equipment is placed on the first load-bearing beam, and another part of the legs is arranged on the ground away from the trench foundation pit.

[0026] The present invention arranges a first load-bearing beam for supporting the legs of the lifting equipment at the edge of the pit, and arranges a first pillow beam for dispersing the load on the first load-bearing beam at the bottom of the first load-bearing beam, so as to prevent the lifting equipment from causing excessive pressure on the surrounding structure at the edge of the pit, and at the same time can maximize the lifting performance of the lifting equipment and improve the lifting efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 A plan view of a first embodiment of the present invention;

[0028] Figure 2 is a cross-sectional view of a first embodiment of the present invention;

[0029] Figure 3 A plan view of a second embodiment of the present invention;

[0030] Figure 4 A plan view of a third embodiment of the present invention;

[0031] Figure 5 is a cross-sectional view of a third embodiment of the present invention;

[0032] Figure 6 A cross-sectional view of the prior art;

[0033] In the figure: 11, first load-bearing beam; 12, second load-bearing beam; 21, first pillow beam; 22, second pillow beam; 23, third pillow beam; 3, lifting equipment; 31, outrigger; 4, foundation pit enclosure; 5, rectangular foundation pit; 51, foundation pit slope; 52, foundation pit bottom; 6, trench foundation pit; 7, beam groove; 8, outrigger foundation. DETAILED DESCRIPTION

[0034] like Figure 1 to Figure 5As shown, a pit-side hoisting construction support is used to support the legs of the hoisting equipment for pit-side construction, including: a first load-bearing beam 11 arranged at the pit side for placing part of the legs 31; at least one pair of first pillow beams 21 supported at the bottom of the first load-bearing beam 11 and used to disperse the load of the first load-bearing beam 11 to the outside of the pit, and each pair of first pillow beams 21 are respectively supported at the left and right ends of the first load-bearing beam 11.

[0035] like Figure 1-2 As shown, the pit is a rectangular foundation pit 5, the first load-bearing beam 11 is arranged outside the edge of the rectangular foundation pit 5, both ends of the first load-bearing beam 11 extend out and away from the range of the rectangular foundation pit 5 to form a first extension section, the first pillow beam 21 is padded at the bottom of the first extension section, the support leg 31 of the lifting equipment 3 adjacent to the pit edge is supported on the first load-bearing beam 11, and the support leg 31 of the lifting equipment 3 away from the pit edge is supported on the ground outside the pit.

[0036] like Figure 3 As shown, in another embodiment, it also includes a second load-bearing beam 12, which spans above the rectangular foundation pit 5, and both ends of the second load-bearing beam 12 extend out and away from the range of the rectangular foundation pit 5 to form a second extension section, and at least one pair of second pillow beams 22 are provided at the bottom of the second extension section, and the second pillow beams 22 are arranged in pairs on the left and right sides of the center point of the second load-bearing beam 12, and a part of the legs 31 of the lifting equipment 3 is supported on the first load-bearing beam 11, and the other part of the legs 31 is supported on the second load-bearing beam 12.

[0037] Preferably, in the present embodiment, a pair of supporting legs 31 are provided on both sides of the lifting equipment 3, and the rectangular foundation pit 5 is a sloped foundation pit, including a foundation pit slope 51 and a foundation pit bottom 52, and the second load-bearing beam 12 spans the outer edge of the foundation pit bottom 52. By arranging the second load-bearing beam 12 and the second pillow beam 22, the lifting equipment 3 can be lifted at a position closer to the foundation pit bottom 52 without damaging the foundation pit, thereby enhancing the lifting performance of the lifting equipment 3.

[0038] like Figure 1 to Figure 3 As shown, a beam groove 7 for placing the first load-bearing beam 11 and the first pillow beam 21 is opened on the outer side of the edge of the rectangular foundation pit 5. By setting the beam groove 7, the first load-bearing beam 11 and the first pillow beam 21 are placed below the ground surface, which is more convenient for placing the support legs 31 of the lifting equipment 3.

[0039] like Figure 4-5As shown, in another embodiment, the pit is a trench foundation pit 6, the first load-bearing beam 11 is arranged outside the edge of the trench foundation pit 6 along the length direction of the trench foundation pit 6, each first pillow beam 21 spans the trench foundation pit 6 along the width direction of the trench foundation pit 6, both ends of the first pillow beam 21 extend out and away from the range of the trench foundation pit 6 to form a third extension section, and at least one pair of third pillow beams 23 for dispersing the load of the first pillow beam 21 to the outside of the trench foundation pit 6 is fixed on the third extension section, and the third pillow beams 23 are arranged in pairs at the bottom of the third extension section on both sides of the trench foundation pit 6, and the legs 31 of the lifting equipment 3 adjacent to the pit edge are supported on the first load-bearing beam 11, and the legs 31 of the lifting equipment 31 away from the pit edge are supported on the ground outside the pit.

[0040] By providing the third bolster 23 , the load generated by the hoisting equipment 3 can be transferred to both sides of the trench foundation pit 6 in view of the long length of the trench foundation pit 6 .

[0041] Preferably, if Figure 2-3 , Figure 4-5 As shown, two legs 31 are provided on each side of the lifting device 3. The leg 31 close to the pit side is placed on the first load-bearing beam 11, and the leg 31 on the other side is placed on the leg foundation 8. By setting the leg foundation 8, the leg 31 of the lifting device 3 away from the pit side is provided with support, and at the same time, it is ensured that the legs 31 on both sides of the lifting device 3 are flush, thereby ensuring the overall stability of the lifting device 31.

[0042] like Figure 1 to Figure 5 A pit side support method for a hoisting device is shown, comprising the following steps:

[0043] like Figure 1 to Figure 5 As shown, before the hoisting equipment 31 is set at the pit edge, a first load-bearing beam 11 and at least one pair of first bolster beams 21 are provided, the first load-bearing beam 11 is placed at the pit edge, and each pair of first bolster beams 21 are respectively placed at both ends of the first load-bearing beam 11;

[0044] A hoisting device 3 is arranged at the pit side, and part of the legs 31 of the hoisting device 3 is placed on the first load-bearing beam 11 .

[0045] like Figure 1 As shown, the pit is a rectangular foundation pit. When placing the first load-bearing beam 11, the first load-bearing beam 11 is arranged outside the edge of the rectangular foundation pit, and the two ends of the first load-bearing beam 11 extend outward and away from the range of the rectangular foundation pit to form a first extension section;

[0046] When the first bolster beams 21 are padded, each pair of first bolster beams 21 is padded at the bottom of the two first extension sections respectively;

[0047] A hoisting device 3 is arranged at the pit edge, and a part of the legs 31 of the hoisting device 3 is placed on the first load-bearing beam 11, and another part of the legs 31 is placed on the ground away from the rectangular foundation pit.

[0048] like Figure 3 As shown, in another embodiment: before the hoisting equipment 3 is set at the pit edge, a second load-bearing beam 12 and at least one pair of second bolster beams 22 are provided; when the second load-bearing beam 12 is placed, the second load-bearing beam 12 is placed across the rectangular foundation pit, so that both ends of the second load-bearing beam 12 extend out and away from the range of the rectangular foundation pit to form a second extension section; the second bolster beams 22 are placed in pads, and each pair of second bolster beams 22 are placed at the bottom of the two second extension sections respectively;

[0049] When the hoisting device 3 is arranged at the pit side, a part of the legs 31 of the hoisting device 3 is placed on the first load-bearing beam 11 , and the other part is arranged on the second load-bearing beam 12 .

[0050] like Figure 4 As shown, the pit is a trench foundation pit, comprising the following steps:

[0051] Before the hoisting equipment 3 is arranged at the pit edge, at least one pair of third bolster beams 23 is provided;

[0052] When placing the first load-bearing beam 11, the first load-bearing beam 11 is arranged outside the edge of the trench foundation pit along the length direction of the trench foundation pit;

[0053] When placing the first bolster 21, the first bolster 21 is placed across the trench foundation pit along the width direction of the trench foundation pit, and both ends of the first bolster 21 extend out and away from the range of the trench foundation pit to form a third extension section;

[0054] The third bolster beams 23 are placed, and each pair of the third bolster beams 23 is cushioned at the bottom of the two third extension sections of the first bolster beam 21 respectively.

[0055] When the hoisting device 3 is arranged at the pit edge, a part of the legs 31 of the hoisting device 3 is placed on the first load-bearing beam 11, and another part of the legs 31 is arranged on the ground away from the trench foundation pit.

[0056] Finally, it should be noted that the above are only preferred embodiments of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A pit-side hoisting construction support, used to support the legs of hoisting equipment for pit-side construction, characterized in that: The pit-side hoisting construction support includes: a first load-bearing beam arranged at the pit side for placing part of the supporting legs; and at least one pair of first pillow beams for dispersing the load of the first load-bearing beam to outside the pit, each pair of the first pillow beams being respectively supported at both ends of the first load-bearing beam.

2. The pit side hoisting construction support as claimed in claim 1, characterized in that: The pit is a rectangular foundation pit, the first load-bearing beam is arranged outside the edge of the rectangular foundation pit, both ends of the first load-bearing beam extend out and away from the range of the rectangular foundation pit to form a first extension section, and the first pillow beam is padded at the bottom of the first extension section.

3. The pit side hoisting construction support as claimed in claim 2, characterized in that: The legs of the hoisting device on the side close to the pit edge are supported on the first load-bearing beam, and the legs of the hoisting device on the side away from the pit edge are supported on the ground outside the pit.

4. The pit side hoisting construction support as claimed in claim 2, characterized in that: It also includes a second load-bearing beam spanning above the rectangular foundation pit, with two ends of the second load-bearing beam extending out and away from the range of the rectangular foundation pit to form a second extension section, and at least one pair of second pillow beams are provided at the bottom of the second extension section, and a part of the legs of the lifting equipment are supported on the first load-bearing beam, and another part of the legs are supported on the second load-bearing beam.

5. The pit side hoisting construction support as claimed in claim 2, characterized in that: A beam groove for placing the first load-bearing beam and the first pillow beam is opened on the outer side of the edge of the rectangular foundation pit.

6. The pit side hoisting construction support as claimed in claim 1, characterized in that: The pit is a trench foundation pit, the first load-bearing beam is arranged outside the edge of the trench foundation pit along the length direction of the trench foundation pit, each of the first pillow beams spans the trench foundation pit along the width direction of the trench foundation pit, both ends of the first pillow beam extend out and away from the range of the trench foundation pit to form a third extension section, at least one pair of third pillow beams for dispersing the load of the first pillow beam outside the trench foundation pit is fixed to the bottom of the two third extension sections of the first pillow beam, the legs of the lifting equipment adjacent to the pit edge are supported on the first load-bearing beam, and the legs of the lifting equipment away from the pit edge are supported on the ground outside the pit.

7. A pit side support method for hoisting equipment, characterized in that: The following steps are involved: Before setting the hoisting equipment at the pit edge, provide a first load-bearing beam and at least one pair of first bolster beams, place the first load-bearing beam at the pit edge, and place each pair of first bolster beams at both ends of the first load-bearing beam; A hoisting device is set up at the side of the pit, and some legs of the hoisting device are placed on the first load-bearing beam.

8. The pit side support method for hoisting equipment according to claim 7, characterized in that: The pit is a rectangular foundation pit; When placing the first load-bearing beam, the first load-bearing beam is arranged outside the edge of the rectangular foundation pit, and both ends of the first load-bearing beam extend out and away from the range of the rectangular foundation pit to form a first extension section; When the first bolsters are padded, each pair of the first bolsters are padded at the bottom of the two first extension sections respectively.

9. The pit side support method for hoisting equipment according to claim 8, characterized in that: Before setting the hoisting equipment at the pit edge: a second load-bearing beam and at least one pair of second bolster beams are provided; the second load-bearing beam is placed, and the second load-bearing beam is placed across the rectangular foundation pit, so that both ends of the second load-bearing beam extend out and away from the range of the rectangular foundation pit to form a second extension section; each pair of the second bolster beams is placed at the bottom of two second extension sections respectively; When the hoisting equipment is arranged at the pit side, a part of the legs of the hoisting equipment is placed on the first load-bearing beam, and the other part is arranged on the second load-bearing beam.

10. A method for constructing a pit side hoisting support as claimed in claim 7, characterized in that: The pit is a trench foundation pit, comprising the following steps: Provide at least one pair of third bolsters before setting up the lifting equipment at the pit edge; When placing the first load-bearing beam, the first load-bearing beam is arranged outside the edge of the trench foundation pit along the length direction of the trench foundation pit; When placing the first bolster, the first bolster is placed across the trench foundation pit along the width direction of the trench foundation pit, and both ends of the first bolster are extended out and away from the range of the trench foundation pit to form a third extension section; Each pair of third bolsters is cushioned at the bottom of the two third extension sections of the first bolster respectively. When the hoisting equipment is arranged at the pit edge, a part of the legs of the hoisting equipment is placed on the first load-bearing beam, and another part of the legs is arranged on the ground away from the trench foundation pit.

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