CN217536906U - Building foundation is over-and-under type split heads for static test - Google Patents
Building foundation is over-and-under type split heads for static test Download PDFInfo
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- CN217536906U CN217536906U CN202221690439.8U CN202221690439U CN217536906U CN 217536906 U CN217536906 U CN 217536906U CN 202221690439 U CN202221690439 U CN 202221690439U CN 217536906 U CN217536906 U CN 217536906U
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- split heads
- lower sliding
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Abstract
The utility model discloses a lifting split heads for static load test of building foundation, which comprises a frame base, a lifting mechanism arranged on the frame base and a top plate arranged on the lifting mechanism and used for supporting a top beam; the upper portion of frame base is provided with two crossbeams, two longerons and sets up the bottom plate between crossbeam and longeron, and elevating system is provided with the horizontal brake that is used for restricting the displacement of lower sliding mechanism including wearing to establish the lead screw on the crossbeam, two lower sliding mechanism and four bridging of setting on lower sliding mechanism with lead screw matched with on the bottom plate, two lower sliding mechanism symmetric distributions are in the both sides of horizontal brake, and the lower part of roof is provided with two upper sliding mechanism that are connected with bridging. The utility model discloses a set up elevating system, realized the lift of roof, improved the security and the flexibility of split heads, be convenient for satisfy the different requirements to roof beam height position among the static test process, practicality, flexibility are strong.
Description
Technical Field
The utility model belongs to the technical field of the ground detection device, concretely relates to building ground is over-and-under type split heads for static test.
Background
The static load test of the building foundation has the advantages of simple technology, reliable result, strong applicability and the like, is a method for knowing the bearing capacity of the building foundation more intuitively and accurately, the split heads used in the static load test of the conventional foundation are only fixed in height, and the condition that the top beam needs to be lifted or reduced in height is often met in the static load test process, so that backfill or excavation of backfill soil at the bottom of the split heads is needed, the manpower is consumed, and the test progress is influenced; the backfill soil after reprocessing below the split heads can cause the slope of the whole test platform even to collapse when having uneven settlement, not only influences the accuracy and the rationality of the final test result, and the condition seriously endangers the life and property safety of the operators even.
Therefore, a split heads for the foundation static load test, which can adjust the height of the split heads, is needed, can be widely applied to the foundation static load test, and meets the requirements of different height positions of the top beam.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that not enough among the above-mentioned prior art is directed against, provide a building ground static load is experimental with over-and-under type split heads, its simple structure, reasonable in design through setting up elevating system, has realized the lift of roof, has improved the security and the flexibility of split heads, is convenient for satisfy the different requirements to the roof beam high position among the static load test process, and practicality, flexibility are strong.
In order to solve the technical problem, the utility model discloses a technical scheme is: the utility model provides a building ground static test is with over-and-under type split heads, building ground static test's test object is the back timber, its characterized in that: the lifting mechanism is arranged on the frame base, and the top plate is arranged on the lifting mechanism and used for supporting the top beam;
the upper portion of the frame base is provided with a rectangular frame and a bottom plate located in the rectangular frame, the rectangular frame comprises two cross beams and two longitudinal beams, the lifting mechanism comprises a lead screw penetrating through the cross beam, two lower sliding mechanisms matched with the lead screw and four cross braces arranged on the lower sliding mechanisms, horizontal brakes used for limiting the displacement of the lower sliding mechanisms are arranged at the central position of the bottom plate, the two lower sliding mechanisms are symmetrically distributed on two sides of the horizontal brakes, the lower portion of the top plate is provided with two upper sliding mechanisms, the four cross braces are grouped in pairs, the lower portions of one group of the cross braces are connected with one lower sliding mechanism, and the upper portions of the two groups of the cross braces are connected with one upper sliding mechanism;
the lower sliding mechanism comprises a screw nut and a lower fixing rod which are sleeved on the screw rod, the screw nut is positioned between the lower fixing rod and the horizontal brake, lower sliding rods are arranged at two ends of the screw nut, one end of the lower fixing rod and one end of the lower sliding rod penetrate through the longitudinal beam, and the lower fixing rod and one lower sliding rod are connected with the lower part of one scissor support;
the upper sliding mechanism comprises an upper fixing rod and an upper sliding rod which are arranged on the top plate in a penetrating mode, the upper fixing rod is connected with the upper portion of the scissor support, and the sliding direction of the upper sliding rod is consistent with that of the lower sliding rod.
Foretell building foundation is over-and-under type split heads for static test, its characterized in that: and two opposite side surfaces of the frame base are provided with crossed inclined struts.
Foretell building foundation is over-and-under type split heads for static test, its characterized in that: the two ends of the screw rod and the part penetrating through the horizontal brake are both polished rods, and the thread directions of the screw rods positioned on the two sides of the horizontal brake are opposite.
Foretell building foundation is over-and-under type split heads for static test, its characterized in that: a first sliding groove for the sliding of the lower sliding rod is formed in the longitudinal beam, and a second sliding groove for the sliding of the upper sliding rod is formed in the top plate.
Foretell building foundation is over-and-under type split heads for static test, its characterized in that: the cross brace comprises a first brace rod and a second brace rod which are mutually crossed, and a connecting shaft penetrates through the overlapping position of the first brace rod and the second brace rod;
the lower part of the first support rod is sleeved on the lower fixed rod, and the upper part of the first support rod is sleeved on the upper sliding rod;
the lower portion of the second support rod is sleeved on the lower sliding rod located on one side of the screw-nut, and the upper portion of the second support rod is sleeved on the upper fixing rod.
Foretell building foundation is over-and-under type split heads for static test, its characterized in that: and a crank is arranged at one end of the screw rod, which extends out of the cross beam.
Compared with the prior art, the utility model has the following advantage:
1. the utility model discloses easy and simple to handle, swift through set up elevating system on the frame base, be convenient for rise and decline roof to can satisfy the different requirements to roof beam height position among the static test process, avoid backfilling many times among the test process or dig the backfill soil of horse stool bottom, thereby avoided the test platform slope that ground differential settlement leads to or collapse, improved the security and the flexibility of horse stool.
2. The utility model discloses a slide mechanism and lower slide mechanism and bridging cooperation on setting up, be connected the second vaulting pole of bridging with lower sliding rod, when rotating the lead screw, screw-nut drives the length direction of lower sliding rod edge lead screw and removes, thereby drive first vaulting pole and second vaulting pole and rotate around the connecting axle, when first vaulting pole and second vaulting pole tend to in vertical, the roof reachs highest position, when first vaulting pole and second vaulting pole tend to in horizontal, the extreme lower position is reachd to the roof, and the practicality, stability are strong.
3. The utility model discloses a screw thread that sets up the lead screw of horizontal brake both sides is opposite, and the screw-nut of the horizontal brake both sides of being convenient for is close to or keeps away from each other along with the rotation of lead screw mutually to realize opening and shutting of bridging, through setting up horizontal brake, the screw-nut's of the horizontal brake both sides of being convenient for restriction displacement avoids screw-nut to break away from rather than the screw thread scope of complex lead screw, excellent in use effect, convenient to popularize and use.
To sum up, the utility model discloses simple structure, reasonable in design through setting up elevating system, has realized the lift of roof, has improved the security and the flexibility of split heads, is convenient for satisfy the different requirements to roof beam height position among the static test process, and practicality, flexibility are strong.
The technical solution of the present invention is further described in detail by the accompanying drawings and examples.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural diagram of the frame base of the present invention.
Fig. 3 is a schematic structural view of the lower sliding mechanism of the present invention.
Fig. 4 is a schematic structural view of the top plate of the present invention.
Description of reference numerals:
1-a frame base; 2-cross bracing; 3-a cross beam;
4-longitudinal beams; 5-a bottom plate; 6-horizontal brake;
7-a screw mandrel; 8-a feed screw nut; 9-lower fixing rod;
10-a lower sliding rod; 11-a first runner; 12-a top plate;
13-fixing the rod; 14-upper sliding bar; 15-a second chute;
16-a first brace bar; 17-a second brace bar; 18-a connecting shaft;
19-a crank.
Detailed Description
As shown in fig. 1 to 4, the present invention includes a frame base 1, a lifting mechanism disposed on the frame base 1, and a top plate 12 disposed on the lifting mechanism for supporting the top beam.
The lower sliding mechanism comprises a screw nut 8 and a lower fixing rod 9 which are arranged on a screw rod 7 in a sleeved mode, the screw nut 8 is located between the lower fixing rod 9 and a horizontal brake 6, lower sliding rods 10 are arranged at two ends of the screw nut 8, one end of each lower fixing rod 9 and one end of each lower sliding rod 10 penetrate through the longitudinal beam 4, and the lower fixing rods 9 and one lower sliding rods 10 are connected with the lower portion of the cross brace in a sleeved mode.
The upper sliding mechanism comprises an upper fixing rod 13 and an upper sliding rod 14 which are arranged on the top plate 12 in a penetrating mode, the upper fixing rod 13 and the upper sliding rod 14 are connected with the upper portion of the scissor support, and the upper sliding rod 14 is consistent with the sliding direction of the lower sliding rod 10.
During the in-service use, building foundation static test's test object is the back timber, through set up elevating system on frame foundation 1, is convenient for realize the rising and the decline of roof 12 to can satisfy the different requirements to roof beam height position among the static test process, avoid backfilling many times in the test process or dig the backfill that removes the split heads bottom, thereby avoided the test platform slope or collapse that the ground differential settlement leads to, improved split heads's security and flexibility.
It should be noted that the four cross braces are divided into two groups, each group includes two cross braces, the two groups of cross braces are symmetrically distributed on two sides of the horizontal brake 6, two cross braces in any one group are respectively located on two sides of the screw nut 8 on one side of the horizontal brake 6, and two cross braces in the other group are respectively located on two sides of the screw nut 8 on the other side of the horizontal brake 6.
In this embodiment, all be provided with alternately bracing 2 on two relative sides of frame base 1, be convenient for strengthen frame base 1's structural stability.
In this embodiment, both ends of the screw rod 7 and the portion penetrating through the horizontal brake 6 are polished rods, and the thread directions of the screw rod 7 on both sides of the horizontal brake 6 are opposite.
In actual use, both ends of the screw rod 7 and the part penetrating through the horizontal brake 6 are polished rods, namely, the parts of the screw rod 7 penetrating through the lower fixing rod 9 and the horizontal brake 6 are polished rods, so that the lower fixing rod 9 and the horizontal brake 6 can be fixed when the screw rod 7 rotates; the screw threads of the screw rods 7 on the two sides of the horizontal brake 6 are opposite, so that the screw rod nuts 8 on the two sides of the horizontal brake 6 are convenient to approach or separate from each other along with the rotation of the screw rods 7, and the opening and closing of the scissor supports are facilitated; through setting up horizontal stopper 6, be convenient for restrict the displacement of horizontal stopper 6 both sides screw-nut 8, avoid screw-nut 8 to break away from the screw thread scope rather than complex lead screw 7.
In this embodiment, the longitudinal beam 4 is provided with a first sliding chute 11 for the sliding of the lower sliding rod 10, and the length direction of the first sliding chute 11 is the same as that of the lead screw 7, so that the lower sliding rod 10 can slide in the longitudinal beam 4 along with the movement of the lead screw nut 8; and a second sliding groove 15 for the sliding of the upper sliding rod 14 is formed in the top plate 12, the length direction of the second sliding groove 15 is the same as that of the lead screw 7, and the upper sliding rod 14 can conveniently slide in the longitudinal beam 4 along with the movement of the lead screw nut 8, so that the opening and closing of the cross braces are realized.
In this embodiment, the cross brace includes a first brace 16 and a second brace 17 that intersect with each other, and a connecting shaft 18 is inserted into an overlapping portion of the first brace 16 and the second brace 17; the lower part of the first support rod 16 is sleeved on the lower fixing rod 9, and the upper part of the first support rod 16 is sleeved on the upper sliding rod 14; the lower part of the second support rod 17 is sleeved on the lower sliding rod 10 positioned on one side of the screw rod nut 8, and the upper part of the second support rod 17 is sleeved on the upper fixing rod 13.
During actual use, two ends of the lower fixing rod 9 are respectively fixed on the two longitudinal beams 4, the lower portion of the first support rod 16 is sleeved on the lower fixing rod 9 and can rotate around the lower fixing rod 9, the upper portion of the first support rod 16 is sleeved on the upper sliding rod 14 and rotates along with the sliding of the upper sliding rod 14, two ends of the upper fixing rod 13 are respectively fixed on two side walls of the top plate 12, the upper portion of the second support rod 17 is sleeved on the upper fixing rod 13 and can rotate around the upper fixing rod 13, the lower portion of the second support rod 17 is sleeved on the lower sliding rod 10 and rotates along with the sliding of the lower sliding rod 10, and the first support rod 16 and the second support rod 17 rotate by taking the connecting shaft 18 as an axis, namely, the opening and closing of the scissor-bracing are realized.
During the in-service use, through setting up the cooperation of gliding mechanism and lower gliding mechanism and bridging, be connected the second vaulting pole 17 and the lower sliding rod 10 of bridging, when rotating lead screw 7, screw-nut 8 drives lower sliding rod 10 and removes about the length direction of lead screw 7, thereby drive first vaulting pole 16 and second vaulting pole 17 and rotate around connecting axle 18, when first vaulting pole 16 and second vaulting pole 17 approach to vertical, roof 12 reachs the highest position, when first vaulting pole 16 and second vaulting pole 17 approach to the level, roof 12 reachs the lowest position, realized the regulation to roof 12 height.
In this embodiment, the one end that lead screw 7 stretches out crossbeam 3 is provided with crank 19, and the operating personnel of being convenient for drives lead screw 7 and rotates through rotating crank 19.
The utility model discloses during the specific use, place the back timber on roof 12, then rotate crank 19, make lead screw 7 rotate, and then make lower slide bar 10 drive bridging and rotate, go up slide bar 14 and slide thereupon, realized the lift of roof 12, realized the adjustment to the high position of roof beam promptly.
The above, only be the utility model discloses a preferred embodiment, it is not right the utility model discloses do any restriction, all according to the utility model discloses the technical entity all still belongs to any simple modification, change and the equivalent structure change of doing above embodiment the utility model discloses technical scheme's within the scope of protection.
Claims (6)
1. The utility model provides a building ground static test is with over-and-under type split heads, building ground static test's test object is the back timber, its characterized in that: comprises a frame base (1), a lifting mechanism arranged on the frame base (1) and a top plate (12) arranged on the lifting mechanism and used for supporting the top beam;
the upper portion of the frame base (1) is provided with a rectangular frame and a bottom plate (5) located in the rectangular frame, the rectangular frame comprises two cross beams (3) and two longitudinal beams (4), the lifting mechanism comprises a lead screw (7) arranged on the cross beam (3) in a penetrating mode, two lower sliding mechanisms matched with the lead screw (7) and four cross braces arranged on the lower sliding mechanisms, a horizontal brake (6) used for limiting the displacement of the lower sliding mechanisms is arranged at the central position of the bottom plate (5), the two lower sliding mechanisms are symmetrically distributed on two sides of the horizontal brake (6), the lower portion of the top plate (12) is provided with two upper sliding mechanisms, the four cross braces are arranged in a group in pairs, the lower portion of one group of the cross braces is connected with one lower sliding mechanism, and the upper portion of the cross braces is connected with one upper sliding mechanism;
the lower sliding mechanism comprises a screw rod nut (8) and a lower fixing rod (9) which are sleeved on the screw rod (7), the screw rod nut (8) is positioned between the lower fixing rod (9) and the horizontal brake (6), lower sliding rods (10) are arranged at two ends of the screw rod nut (8), one end of the lower fixing rod (9) and one end of each lower sliding rod (10) penetrate through the longitudinal beam (4), and the lower fixing rod (9) and one lower sliding rod (10) are connected with the lower part of one scissor brace;
go up the sliding mechanism including wearing to establish last dead lever (13) and upper sliding rod (14) on roof (12), go up dead lever (13) with upper sliding rod (14) and one the upper portion of bridging is connected, upper sliding rod (14) with the slip direction of lower sliding rod (10) is unanimous.
2. The lifting split heads for the static load test of the building foundation as claimed in claim 1, wherein: and two opposite side surfaces of the frame base (1) are respectively provided with a crossed inclined strut (2).
3. The lifting split heads for the static load test of the building foundation as claimed in claim 1, wherein: and both ends of the screw rod (7) and the part penetrating through the horizontal brake (6) are polished rods, and the thread directions of the screw rod (7) positioned on both sides of the horizontal brake (6) are opposite.
4. The lifting split heads for the static load test of the building foundation as claimed in claim 1, wherein: a first sliding groove (11) for the sliding of the lower sliding rod (10) is formed in the longitudinal beam (4), and a second sliding groove (15) for the sliding of the upper sliding rod (14) is formed in the top plate (12).
5. The lifting type split heads for static load test of building foundation of claim 1, characterized in that: the cross brace comprises a first brace rod (16) and a second brace rod (17) which are mutually crossed, and a connecting shaft (18) penetrates through the overlapping position of the first brace rod (16) and the second brace rod (17);
the lower part of the first support rod (16) is sleeved on the lower fixing rod (9), and the upper part of the first support rod (16) is sleeved on the upper sliding rod (14);
the lower part of the second support rod (17) is sleeved on the lower sliding rod (10) located on one side of the feed screw nut (8), and the upper part of the second support rod (17) is sleeved on the upper fixing rod (13).
6. The lifting type split heads for static load test of building foundation of claim 1, characterized in that: and a crank (19) is arranged at one end of the screw rod (7) extending out of the cross beam (3).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202221690439.8U CN217536906U (en) | 2022-07-01 | 2022-07-01 | Building foundation is over-and-under type split heads for static test |
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CN202221690439.8U CN217536906U (en) | 2022-07-01 | 2022-07-01 | Building foundation is over-and-under type split heads for static test |
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CN217536906U true CN217536906U (en) | 2022-10-04 |
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CN202221690439.8U Active CN217536906U (en) | 2022-07-01 | 2022-07-01 | Building foundation is over-and-under type split heads for static test |
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2022
- 2022-07-01 CN CN202221690439.8U patent/CN217536906U/en active Active
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