CN216410861U - Foundation static load test loading device - Google Patents

Foundation static load test loading device Download PDF

Info

Publication number
CN216410861U
CN216410861U CN202122588088.1U CN202122588088U CN216410861U CN 216410861 U CN216410861 U CN 216410861U CN 202122588088 U CN202122588088 U CN 202122588088U CN 216410861 U CN216410861 U CN 216410861U
Authority
CN
China
Prior art keywords
ground anchor
counter
anchor
foundation
pressure beam
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202122588088.1U
Other languages
Chinese (zh)
Inventor
唐国艺
张龙
贾雷
万再新
张博
张慧海
董霄
王晓峰
王祖耀
朱凤基
陈砚书
罗元章
张洁
罗寒
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China Jikan Research Institute Of Engineering Investigations And Design co ltd
Shaanxi Jikan Engineering Inspection Consulting Co ltd
Original Assignee
China Jikan Research Institute Of Engineering Investigations And Design co ltd
Shaanxi Jikan Engineering Inspection Consulting Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by China Jikan Research Institute Of Engineering Investigations And Design co ltd, Shaanxi Jikan Engineering Inspection Consulting Co ltd filed Critical China Jikan Research Institute Of Engineering Investigations And Design co ltd
Priority to CN202122588088.1U priority Critical patent/CN216410861U/en
Application granted granted Critical
Publication of CN216410861U publication Critical patent/CN216410861U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Piles And Underground Anchors (AREA)

Abstract

The utility model discloses a foundation static load test loading device which comprises a load plate arranged in a test pit in a foundation, a jack arranged on the load plate and a loading mechanism arranged on the jack, wherein the loading mechanism comprises a lower counter pressure beam arranged at the top of the jack, an upper counter pressure beam arranged on the lower counter pressure beam, counter pressure hanging baskets arranged at the ends of the lower counter pressure beam and the upper counter pressure beam, and ground anchors anchored in the foundation and connected with the counter pressure hanging baskets, the number of the counter pressure hanging baskets is the same as that of the ground anchors and the number of the counter pressure hanging baskets and the ground anchors are in one-to-one correspondence, and the counter pressure hanging baskets and the ground anchors are uniformly distributed along the circumferential direction of the test pit. The device has the advantages of simple structure and reasonable design, avoids the safety problem caused by the collapse of the pile-loaded concrete test block, reduces the transportation of the concrete test block, is convenient to operate, saves time and labor, facilitates the loading of the static load test of the foundation, and reduces the test cost.

Description

Foundation static load test loading device
Technical Field
The utility model belongs to the technical field of foundation static load tests, and particularly relates to a foundation static load test loading device.
Background
The static load test of the foundation is an important means for detecting the bearing capacity of the foundation, the counter force used in the test is usually realized by erecting a stacking platform, providing counter pressure for stacking heavy objects on the stacking platform, and applying different levels of pressure to a load plate placed on the foundation by applying counter force through a jack placed under the stacking platform so as to achieve the purpose of detecting the bearing capacity of the foundation. The device has three problems in the specific application process, namely for a foundation with higher bearing capacity, the stacking amount of the concrete test block for back pressure is more, the risk of collapse exists, and the subsequent detection process is unsafe; secondly, large-scale machinery such as a crane is needed to be matched in the stacking process, and the stacked concrete test block needs to be transported by a large-scale truck, so that the construction cost is high; thirdly, the erection and stacking process of the stacking platform is complicated and time-consuming, and the detection period is not easy to grasp.
Therefore, need for a simple structure, reasonable in design's ground static test loading device, avoided piling the safety problem that the load concrete test block collapses and cause, and reduced the concrete test block transportation, the simple operation, labour saving and time saving makes things convenient for ground static test loading, has reduced test cost.
SUMMERY OF THE UTILITY MODEL
The technical problem to be solved by the utility model is to provide a loading device for the static load test of the foundation, which is simple in structure and reasonable in design, avoids the safety problem caused by the collapse of the pile-loaded concrete test block, reduces the transportation of the concrete test block, is convenient and fast to operate, saves time and labor, facilitates the loading of the static load test of the foundation, reduces the test cost and has strong practicability.
In order to solve the technical problems, the utility model adopts the technical scheme that: the utility model provides a foundation static test loading device which characterized in that: load plate, setting including setting up in experimental hole on the ground are in jack on the load plate is in with the setting loading mechanism on the jack, loading mechanism is including setting up at the lower back pressure roof beam at jack top, setting up last back pressure roof beam on the back pressure roof beam is in with the setting down the back pressure roof beam hangs the basket with the back pressure of last back pressure roof beam tip to and the anchor in the ground and hang the earth anchor that the basket is connected with the back pressure, the back pressure hang the basket quantity with the same and the one-to-one of quantity of earth anchor, the back pressure hang the basket with the earth anchor is along experimental hole circumference equipartition.
The loading device for the foundation static load test is characterized in that: the earth anchor includes from last to the earth anchor that connects gradually down connects to connect gradually, earth anchor pole and earth anchor conical head, be provided with on earth anchor pole lower part and the earth anchor conical head and be spiral helicine earth anchor spiral plate, the marginal distance of earth anchor spiral plate is supreme crescent from down at the interval at earth anchor pole center, earth anchor and anchor head are connected, the anchor head is installed on earth anchor connects the top, be provided with the lug on the anchor head.
The loading device for the foundation static load test is characterized in that: the back pressure hanging basket comprises a hanging plate, a hanging plate arranged in parallel with the hanging plate and two groups of pull rod parts penetrating through the hanging plate and two ends of the hanging plate, wherein a hook is arranged at the central position of the hanging plate, and the lifting lug is connected with the hook in a matching way;
the upper surface of back pressure roof beam and last back pressure roof beam under the link plate laminating, the hanging plate is located the below of back pressure roof beam and last back pressure roof beam down.
The loading device for the foundation static load test is characterized in that: two sets of the pull rod part is located the both sides face of counter-pressure roof beam and last counter-pressure roof beam down respectively, every group the pull rod part all includes a plurality of pull rods of wearing to establish along link plate and hanging plate width direction, the pull rod is the screw thread pull rod, the upper end that the link plate was worn out to the pull rod is provided with locking nut, the lower extreme that the hanging plate was worn out to the pull rod is provided with locking nut down.
The loading device for the foundation static load test is characterized in that: the ground anchor is connected with an anchor head through an extension bar, a ground anchor joint in the ground anchor is connected with the bottom end of the extension bar, the anchor head is installed at the top end of the extension bar, a hexagonal column is arranged at the bottom end of the extension bar, a threaded joint matched with the ground anchor joint is arranged at the bottom of the hexagonal column, an anti-falling sleeve is sleeved outside the ground anchor joint and the hexagonal column, and the top of the anti-falling sleeve extends to the lower part of the extension bar;
and a limiting part for limiting the position of the anti-falling sleeve is arranged in the extension bar.
The loading device for the foundation static load test is characterized in that: the extension bar is a hollow bar, the limiting part comprises an adjusting bar penetrating through the extension bar, a pull ring arranged at the top end of the adjusting bar, which extends out of the anchor head, a cylindrical wedge-shaped block arranged at the bottom end of the adjusting bar, and a limiting bead arranged on the side surface of the cylindrical wedge-shaped block, and the limiting bead can extend out of the extension bar and be embedded into a groove of the anti-falling sleeve;
be provided with the baffle in the extension bar, it is equipped with the spring to adjust pole lower part cover, the spring is located between cylinder wedge and the baffle, the cylinder wedge is located baffle, hexagonal post and the extension bar and encloses the cavity of establishing, it passes the baffle to adjust the pole.
The loading device for the foundation static load test is characterized in that: the section of the cylindrical wedge-shaped block is gradually increased from bottom to top, the limiting beads are arranged on the inclined surface of the cylindrical wedge-shaped block, and the extension rod is provided with a containing hole for the limiting beads to penetrate through;
the ground anchor connects for the hexagonal pole connects, be provided with the screw hole of cooperation screwed joint in the ground anchor connects, telescopic inner cross-section of anti-drop with the hexagonal pole with ground anchor connects complex regular hexagon cross-section.
Compared with the prior art, the utility model has the following advantages:
1. the utility model has the advantages of simple structure, reasonable design, convenient operation, lower investment cost and cyclic utilization.
2. The ground anchor and the back pressure hanging basket are arranged to limit the lower back pressure beam and the upper back pressure beam, so that the load loaded by the jack is transferred to the load plate, and the load loading of a test pit on the foundation is realized; in addition, the loading counter force of the jack is transmitted to the ground anchor through the upper counter pressure beam, the lower counter pressure beam and the counter pressure hanging basket, so that the concrete test block is prevented from being piled on the counter pressure beam, the safety problem caused by collapse of the piled concrete test block is avoided, the transportation of the concrete test block is reduced, and the jack is convenient to operate, time-saving and labor-saving.
3. The counter pressure provided by the loading device is increased by adjusting the number of the counter pressure hanging baskets, the number of the ground anchors and the burying depth of the ground anchors, so that the counter pressure hanging basket loading device can be suitable for static load tests with different loading capacity requirements, and has high flexibility.
In conclusion, the device has the advantages of simple structure and reasonable design, avoids the safety problem caused by the collapse of the pile-loaded concrete test block, reduces the transportation of the concrete test block, is convenient to operate, saves time and labor, facilitates the loading of the static load test of the foundation, reduces the test cost and has strong practicability.
The technical solution of the present invention is further described in detail by the accompanying drawings and embodiments.
Drawings
Fig. 1 is a schematic structural diagram of embodiment 1 of the present invention.
Fig. 2 is a schematic structural view of the ground anchor in embodiment 1 of the present invention.
Fig. 3 is a schematic structural diagram of embodiment 2 of the present invention.
Fig. 4 is a schematic structural view of an extension bar and a limiting member in embodiment 2 of the present invention.
Fig. 5 is a schematic position view of an extension bar and a drop-off prevention sleeve in embodiment 2 of the present invention.
Description of reference numerals:
1-an earth anchor; 1-a ground anchor plate; 1-2-ground anchor rod;
1-3-ground anchor joints; 1-4-an earth anchor cone head; 1-5-a stiffening rotating plate;
2-anti-falling sleeve; 2-1-groove; 3, back pressure hanging basket;
3-1-hanging the board; 3-2-a pull rod; 3-suspension plate;
3-4-hanging hook; 4-1-upper counter-pressure beam; 4-2-lower counter-pressure beam;
5-test pits; 6-a load plate; 7, leveling a sand layer;
8, a jack; 9-lengthening the rod; 9-1-hexagonal column;
9-2-a tab; 9-3-a separator; 9-4-spring;
9-5-a limiting bead; 9-6-cylindrical wedge-shaped blocks; 9-7-threaded joint;
9-8-adjusting rod; 10-anchor head; 10-1-through hole;
10-2-lifting lug; 11-foundation.
Detailed Description
As shown in figures 1 and 2, the loading device comprises a loading plate 6 arranged in a test pit 5 on a foundation 11, a jack 8 arranged on the loading plate 6 and a loading mechanism arranged on the jack 8, wherein the loading mechanism comprises a lower back pressure beam 4-2 arranged on the top of the jack 8, an upper back pressure beam 4-1 arranged on the lower back pressure beam 4-2, a back pressure hanging basket 3 arranged at the end parts of the lower back pressure beam 4-2 and the upper back pressure beam 4-1, and ground anchors 1 anchored in the foundation 11 and connected with the back pressure hanging baskets 3, the number of the back pressure hanging baskets 3 is the same as that of the ground anchors 1, the back pressure hanging baskets 3 and the ground anchors 1 are uniformly distributed along the circumferential direction of the test pit 5.
In this embodiment, the ground anchor 1 comprises a ground anchor joint 1-3, a ground anchor rod 1-2 and a ground anchor conical head 1-4 which are sequentially connected from top to bottom, a spiral ground anchor rotating plate 1-1 is arranged on the lower portion of the ground anchor rod 1-2 and the ground anchor conical head 1-4, the distance between the edge of the ground anchor rotating plate 1-1 and the center of the ground anchor rod 1-2 is gradually increased from bottom to top, the ground anchor 1 is connected with an anchor head 10, the anchor head 10 is installed at the top end of the ground anchor joint 1-3, and a lifting lug 10-2 is arranged on the anchor head 10.
In the embodiment, the back pressure hanging basket 3 comprises a hanging plate 3-1, a hanging plate 3-3 arranged in parallel with the hanging plate 3-1 and two groups of pull rod parts arranged at two ends of the hanging plate 3-3 and the hanging plate 3-1 in a penetrating way, a hook 3-4 is arranged at the center of the hanging plate 3-3, and a lifting lug 10-2 is connected with the hook 3-4 in a matching way;
the hanging plate 3-1 is attached to the upper surfaces of the lower back pressure beam 4-2 and the upper back pressure beam 4-1, and the hanging plate 3-3 is located below the lower back pressure beam 4-2 and the upper back pressure beam 4-1.
In the embodiment, two groups of pull rod parts are respectively positioned on two side surfaces of a lower back pressure beam 4-2 and an upper back pressure beam 4-1, each group of pull rod parts comprises a plurality of pull rods 3-2 which penetrate along the width direction of a hanging plate 3-1 and a hanging plate 3-3, each pull rod 3-2 is a threaded pull rod, an upper locking nut is arranged at the upper end of each pull rod 3-2, which penetrates through the hanging plate 3-1, and a lower locking nut is arranged at the lower end of each pull rod 3-2, which penetrates through the hanging plate 3-3.
In the embodiment, the upper locking nut and the lower locking nut are arranged, so that the fixed installation of the hanging plate 3-1 and the suspension plate 3-3 can be realized, and the installation height of the hanging plate 3-1 and the suspension plate 3-3 can be adjusted through the upper locking nut and the lower locking nut, so that the hook 3-4 and the lifting lug 10-2 can be conveniently adjusted to be connected in a matched mode.
In this embodiment, in practical use, the bottom surface of the test pit 5 is provided with a leveling sand layer 7, and the load plate 6 is arranged on the leveling sand layer 7.
In this embodiment, in practical use, the top surface of the anchor head 10 is provided with a through hole 10-1 for the adjusting rod 9-8 to pass through.
In the embodiment, the ground anchor 1 and the back pressure hanging basket 3 are arranged to limit the lower back pressure beam 4-2 and the upper back pressure beam 4-1, so that the load loaded by the jack 8 is transferred to the load plate 6, and the load loading of the foundation 11 is realized; in addition, the loading counter force of the jack 14 is transmitted to the ground anchor 1 through the upper counter pressure beam 4-1, the lower counter pressure beam 4-2 and the counter pressure hanging basket 3, so that the concrete test block is prevented from being piled on the counter pressure beam, the safety problem caused by collapse of the piled concrete test block is avoided, the transportation of the concrete test block is reduced, and the jack is convenient to operate, time-saving and labor-saving.
In this embodiment, the upper counter-pressure beam 4-1 and the lower counter-pressure beam 4-2 are arranged in a cross.
In this embodiment, during the in-service use, through the quantity of adjusting back pressure string basket 3 and the quantity of earth anchor 1 increase the backpressure that loading device provided to can be applicable to the static load test of different loading capacity demands, the flexibility is stronger.
Example 2
As shown in fig. 3, 4 and 5, in the present embodiment, unlike embodiment 1:
the ground anchor 1 is connected with an anchor head 10 through an extension bar 9, a ground anchor joint 1-3 in the ground anchor 1 is connected with the bottom end of the extension bar 9, the anchor head 10 is installed at the top end of the extension bar 9, a hexagonal column 9-1 is arranged at the bottom end of the extension bar 9, a threaded joint 9-7 matched with the ground anchor joint 1-3 is arranged at the bottom of the hexagonal column 9-1, an anti-falling sleeve 2 is sleeved outside the ground anchor joint 1-3 and the hexagonal column 9-1, and the top of the anti-falling sleeve 2 extends to the lower part of the extension bar 9;
and a limiting part for limiting the position of the anti-falling sleeve 2 is arranged in the extension bar 9.
In this embodiment, the extension bar 9 is a hollow bar, the limiting part comprises an adjusting bar 9-8 penetrating through the extension bar 9, a pull ring 9-2 arranged at the top end of the adjusting bar 9-8 extending out of the anchor head 10, a cylindrical wedge-shaped block 9-6 arranged at the bottom end of the adjusting bar 9-8, and a limiting bead 9-5 arranged at the side of the cylindrical wedge-shaped block 9-6, wherein the limiting bead 9-5 can extend out of the extension bar 9 and be embedded into the groove 2-1 of the anti-falling sleeve 2;
the extension bar 9 is internally provided with a partition plate 9-3, the lower part of the extension bar 9-8 is sleeved with a spring 9-4, the spring 9-4 is positioned between a cylindrical wedge block 9-6 and the partition plate 9-3, the cylindrical wedge block 9-6 is positioned in a cavity surrounded by the partition plate 9-3, a hexagonal column 9-1 and the extension bar 9, and the adjustment bar 9-8 penetrates through the partition plate 9-3.
In the embodiment, the section of the cylindrical wedge-shaped block 9-6 is gradually increased from bottom to top, the limiting beads 9-5 are arranged on the inclined surface of the cylindrical wedge-shaped block 9-6, and the extension rod 9 is provided with accommodating holes for the limiting beads 9-5 to penetrate through;
the ground anchor joint 1-3 is a hexagonal column joint, a threaded hole matched with the threaded joint 9-7 is formed in the ground anchor joint 1-3, and the inner section of the anti-falling sleeve 2 is a regular hexagonal section matched with the hexagonal column 9-1 and the ground anchor joint 1-3.
In this embodiment, in practical use, the top of the ground anchor rod 1-2 is provided with a stiffening spiral plate 1-5, so as to increase the anchoring force between the ground anchor 1 and the soil layer in the foundation 11.
In this embodiment, in practical use, the distance between the edge of the stiffening rotation plate 1-5 and the center line of the anchor rod 1-2 is the same as the maximum distance between the edge of the ground rotation plate 1-1 and the center of the anchor rod 1-2.
In the embodiment, the load loaded by the jack 8 is transmitted to the load plate 6 to realize the load loading of the foundation 11, and in addition, the loading counter force of the jack 14 is transmitted to the ground anchor 1 through the upper back pressure beam 4-1, the lower back pressure beam 4-2, the back pressure hanging basket 3 and the extension rod 9.
In the embodiment, the extension rod 9 is arranged to realize the connection of the anchor head 10 and the ground anchor 1, and then the matching connection of the lifting lug 10-2 on the anchor head 10 and the hook 3-4 on the back pressure hanging basket 3 is realized; on one hand, the test requirements of the test pits 5 with different depths are met, and the adaptive range is improved; another aspect is to increase the anchoring depth of the earth anchor 1 and thereby increase the counter force provided by the earth anchor 1.
In the embodiment, the anti-drop sleeve 2 is arranged, so that the regular hexagon section of the anti-drop sleeve 2 is matched with the hexagonal column 9-1 and the outer side surface of the earth anchor joint 1-3, in the reverse rotation process of the extension bar 9, the extension bar 9 drives the anti-drop sleeve 2 to rotate through the hexagonal column 9-1, meanwhile, the anti-drop sleeve 2 rotates to drive the earth anchor joint 1-3 to rotate, so that the extension bar 9 and the earth anchor 1 synchronously and reversely rotate, the thread drop at the joint of the threaded joint 9-7 and the earth anchor joint 1-3 is avoided, and the extension bar 9 and the earth anchor 1 can conveniently reversely rotate out of the foundation 11.
In the embodiment, the limiting part is arranged, so that the adjusting rod 9-8 is operated by the pull ring 9-2 to move downwards, the spring 9-4 extends to push the cylindrical wedge-shaped block 9-6 to move downwards, the cylindrical wedge-shaped block 9-6 moves downwards to extrude the limiting ball 9-5 to extend out of the lengthening rod 9 to be embedded into the groove 2-1 of the anti-falling sleeve 2, so that the anti-falling sleeve 2 is limited, the anti-falling sleeve 2 is enabled to rotate, and vertical up-and-down deviation is avoided; when the adjusting rod 9-8 is operated to move upwards through the pull ring 9-2, the spring 9-4 contracts to enable the cylindrical wedge-shaped block 9-6 to move upwards, the cylindrical wedge-shaped block 9-6 moves upwards to drive the limiting bead 9-5 to extend into the extension rod 9 so as to be separated from the groove 2-1 of the anti-falling sleeve 2, the anti-falling sleeve 2 is convenient to disassemble, and the extension rod 9 and the ground anchor 1 are convenient to store.
In the embodiment, the partition plate 9-3 is arranged to realize the limit of the upper end of the spring 9-4, so that the adjusting rod 9-8 is convenient to operate and the spring 9-4 is stretched.
In the embodiment, the side wall of the extension bar 9 is provided with a containing hole for containing the limiting bead 9-5, the diameter of the containing hole is smaller than the maximum diameter of the limiting bead 9-5, and a cavity for containing the limiting bead 9-5 is formed between the inclined surface of the cylindrical wedge-shaped block 9-6 and the containing hole in the side wall of the extension bar 9.
In conclusion, the device has the advantages of simple structure and reasonable design, avoids the safety problem caused by the collapse of the pile-loaded concrete test block, reduces the transportation of the concrete test block, is convenient to operate, saves time and labor, facilitates the loading of the static load test of the foundation, reduces the test cost and has strong practicability.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and all simple modifications, changes and equivalent structural changes made to the above embodiment according to the technical spirit of the present invention still fall within the protection scope of the technical solution of the present invention.

Claims (7)

1. The utility model provides a foundation static test loading device which characterized in that: the loading mechanism comprises a load plate (6) arranged in a test pit (5) on a foundation (11), a jack (8) arranged on the load plate (6) and a loading mechanism arranged on the jack (8), wherein the loading mechanism comprises a lower counter-pressure beam (4-2) arranged at the top of the jack (8), an upper counter-pressure beam (4-1) arranged on the lower counter-pressure beam (4-2), a counter-pressure hanging basket (3) arranged at the end parts of the lower counter-pressure beam (4-2) and the upper counter-pressure beam (4-1), and a ground anchor (1) anchored in the foundation (11) and connected with the counter-pressure hanging basket (3), the number of the counter-pressure hanging baskets (3) is the same as that of the ground anchor (1) and the counter-pressure hanging baskets (3) and the ground anchor (1) are uniformly distributed along the circumferential direction of the test pit (5).
2. A foundation static test loading device according to claim 1, wherein: the ground anchor (1) comprises a ground anchor joint (1-3), a ground anchor rod (1-2) and a ground anchor conical head (1-4) which are sequentially connected from top to bottom, wherein a spiral ground anchor rotating plate (1-1) is arranged on the lower portion of the ground anchor rod (1-2) and the ground anchor conical head (1-4), the distance between the edge of the ground anchor rotating plate (1-1) and the center of the ground anchor rod (1-2) is gradually increased from bottom to top, the ground anchor (1) is connected with the anchor head (10), the anchor head (10) is arranged at the top end of the ground anchor joint (1-3), and a lifting lug (10-2) is arranged on the anchor head (10).
3. A foundation static test loading device according to claim 2, wherein: the back pressure hanging basket (3) comprises a hanging plate (3-1), a hanging plate (3-3) arranged in parallel with the hanging plate (3-1) and two groups of pull rod parts penetrating through the hanging plate (3-3) and two ends of the hanging plate (3-1), a hook (3-4) is arranged at the center of the hanging plate (3-3), and the lifting lug (10-2) is connected with the hook (3-4) in a matching manner;
the hanging plate (3-1) is attached to the upper surfaces of the lower counter-pressure beam (4-2) and the upper counter-pressure beam (4-1), and the hanging plate (3-3) is located below the lower counter-pressure beam (4-2) and the upper counter-pressure beam (4-1).
4. A foundation static test loading device according to claim 3, wherein: the two groups of pull rod parts are respectively positioned on two side faces of a lower back pressure beam (4-2) and an upper back pressure beam (4-1), each group of pull rod parts comprises a plurality of pull rods (3-2) which penetrate along the width direction of the hanging plate (3-1) and the hanging plate (3-3), each pull rod (3-2) is a threaded pull rod, an upper locking nut is arranged at the upper end of each pull rod (3-2) penetrating out of the hanging plate (3-1), and a lower locking nut is arranged at the lower end of each pull rod (3-2) penetrating out of the hanging plate (3-3).
5. A foundation static test loading device according to claim 2, wherein: the ground anchor (1) is connected with an anchor head (10) through an extension rod (9), a ground anchor joint (1-3) in the ground anchor (1) is connected with the bottom end of the extension rod (9), the anchor head (10) is installed at the top end of the extension rod (9), a hexagonal column (9-1) is arranged at the bottom end of the extension rod (9), a threaded joint (9-7) matched with the ground anchor joint (1-3) is arranged at the bottom of the hexagonal column (9-1), an anti-falling sleeve (2) is sleeved outside the ground anchor joint (1-3) and the hexagonal column (9-1), and the top of the anti-falling sleeve (2) extends to the lower part of the extension rod (9);
the extension bar (9) is internally provided with a limiting part for limiting the position of the anti-falling sleeve (2).
6. A foundation static test loading device according to claim 5, wherein: the extension bar (9) is a hollow bar, the limiting part comprises an adjusting bar (9-8) penetrating through the extension bar (9), a pull ring (9-2) arranged at the top end of the adjusting bar (9-8) extending out of the anchor head (10), a cylindrical wedge-shaped block (9-6) arranged at the bottom end of the adjusting bar (9-8), and a limiting bead (9-5) arranged on the side surface of the cylindrical wedge-shaped block (9-6), and the limiting bead (9-5) can extend out of the extension bar (9) and is embedded into a groove (2-1) of the anti-falling sleeve (2);
be provided with baffle (9-3) in extension bar (9), it is equipped with spring (9-4) to adjust pole (9-8) lower part cover, spring (9-4) are located between cylinder wedge (9-6) and baffle (9-3), cylinder wedge (9-6) are located the cavity that baffle (9-3), hexagonal column (9-1) and extension bar (9) enclose and establish, it passes baffle (9-3) to adjust pole (9-8).
7. A foundation static test loading device according to claim 6, wherein: the section of the cylindrical wedge-shaped block (9-6) is gradually increased from bottom to top, the limiting beads (9-5) are arranged on the inclined surface of the cylindrical wedge-shaped block (9-6), and the extension rod (9) is provided with accommodating holes for the limiting beads (9-5) to penetrate through;
the ground anchor joint (1-3) is a hexagonal column joint, a threaded hole matched with a threaded joint (9-7) is formed in the ground anchor joint (1-3), and the inner section of the anti-falling sleeve (2) is matched with the hexagonal column (9-1) and the ground anchor joint (1-3) to form a regular hexagonal section.
CN202122588088.1U 2021-10-26 2021-10-26 Foundation static load test loading device Active CN216410861U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202122588088.1U CN216410861U (en) 2021-10-26 2021-10-26 Foundation static load test loading device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202122588088.1U CN216410861U (en) 2021-10-26 2021-10-26 Foundation static load test loading device

Publications (1)

Publication Number Publication Date
CN216410861U true CN216410861U (en) 2022-04-29

Family

ID=81297316

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202122588088.1U Active CN216410861U (en) 2021-10-26 2021-10-26 Foundation static load test loading device

Country Status (1)

Country Link
CN (1) CN216410861U (en)

Similar Documents

Publication Publication Date Title
CN100480481C (en) Quadrangular pyramid sphere net case falsework-free constructing and mounting method and hoisting machine tool
CN108862045B (en) Special-shaped steel truss girder rod piece turning device and method for turning over rod piece
CN106939707A (en) A kind of restricted clearance large-scale steel structure supporting platform from method for improving
CN110606437B (en) Walking type small electric hoist suitable for transferring materials between floors of reverse construction method
CN106988299B (en) The pay-off method of assembled steel reinforced cage descending frame and steel reinforcement cage
CN216410861U (en) Foundation static load test loading device
CN213805852U (en) Jacking device for mounting latticed shell
CN206680994U (en) Assembled steel reinforced cage descending frame
CN106703509B (en) Suspension type fence hoisting equipment and hoisting method thereof
CN210764005U (en) Walking type small electric elevator suitable for transferring materials between floors by reverse construction method
CN109778714A (en) Assembled steel structure support platform and its installation and removal method
CN113585860B (en) Method for assembling and disassembling double-arm holding pole
CN212956944U (en) Special fixing device for hoisting pipe truss structure system equipment
CN209163731U (en) The pore-forming equipment of a variety of diameters can be fast implemented in loess geology
CN111549780B (en) Protective equipment for construction of super-long precast pile
CN206328785U (en) A kind of loading device for pile foundation static test
CN209493242U (en) A kind of parallel crane of both arms
CN111719689A (en) Special fixing device for hoisting pipe truss structure system equipment
CN220847523U (en) Pile foundation structure that stability is strong
CN204960280U (en) But integral hoisting and used repeatedly's scaffold
CN220868215U (en) Assembled steel frame type heavy steel casing temporary hanging bracket and positioning adjusting device
CN214144772U (en) Self-elevating elevator shaft concrete spreader with hoisting weight
CN217000742U (en) Novel steel constructs outer wall construction platform
CN204661111U (en) The two-layer twin columns lifting working platform of two-stage
CN109778715A (en) Assembled support platform and its installation and removal method

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant