CN218374073U

CN218374073U - Single-pile vertical uplift static load test detection equipment based on buttress method

Info

Publication number: CN218374073U
Application number: CN202222370999.1U
Authority: CN
Inventors: 蒋晓瑜; 朱长亮; 孔龙龙; 傅明波; 张振伟
Original assignee: Hangzhou Dadi Engineering Testing Technology Co ltd
Current assignee: Hangzhou Dadi Engineering Testing Technology Co ltd
Priority date: 2022-09-05
Filing date: 2022-09-05
Publication date: 2023-01-24
Anticipated expiration: 2032-09-05

Abstract

The utility model discloses a vertical resistance to plucking static test check out test set of single pile based on buttress method, relate to the technical field that the engineering stake detected, support the mound that sets up including experimental stake and symmetry, the last fixed surface of the support mound that the symmetry set up is connected with the U-shaped girder steel, the even fixedly connected with jack of upper surface of U-shaped girder steel, the last fixed surface of jack is connected with counter-force platform, in use, remove through jack control counter-force platform, head rod and coupling mechanism drive experimental stake and carry out vertical resistance to plucking static test, can extrude the first anti-skidding mechanism who sets up when coupling mechanism removes, thereby the reinforcing is to the centre gripping effect of experimental stake, carry out the mode of centre gripping to experimental stake through coupling mechanism and the cooperation of first anti-skidding mechanism, avoided appearing needing to cut after leading to the fact experimental completion because of welded connection as far as possible, perhaps because the welding is insecure, cause and prolong the reinforcing bar disconnection, cause the condition of influence to the experiment, make this application do benefit to the use more.

Description

Single-pile vertical uplift static load test detection equipment based on buttress method

Technical Field

The application relates to the technical field of engineering pile detection, in particular to single-pile vertical uplift static load test detection equipment based on a buttress method.

Background

The single-pile vertical uplift static load test is a test detection method for a pile in engineering to determine the vertical uplift ultimate bearing capacity of a single pile; judging whether the vertical pulling-resistant bearing capacity meets the design requirement or not; and (4) testing the internal force and deformation of the pile body to determine the pulling and friction resistance of the pile.

The utility model discloses a utility model patent that bulletin number is CN203594057U discloses a vertical resistance to plucking static load test detection device of buttress method single pile, include buttress, girder, jack, layer board, pull rod and link the drum, the girder is violently taken in the buttress top, hoist and mount jack in the middle of this girder, jack top end lid dress layer board sets up the draw bar hole on this layer board, wear to adorn the pull rod in the draw bar hole, the upper end and the layer board of this pull rod pass through the nut and are connected, and the lower extreme of this pull rod suspends in midair and links the drum. The device has the advantages of simple structure, low cost, simple operation and repeated use.

Above-mentioned technical scheme utilizes the jack to drive the pull rod and links the drum and drive engineering stake owner muscle and become to detect when using, but is connected through the welding between the lower extreme of the interlinkage drum that sets up in the above-mentioned scheme and the bored concrete pile extension owner muscle, still need cut after the experiment, and the welded type is connected and is probably because the welding is insecure in addition, causes to link drum and extension owner muscle disconnection to can lead to the fact certain influence to the experiment.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a vertical resistance to plucking static test check out test set of single pile based on buttress method, it drives the pull rod and links the drum and drive engineering stake owner muscle and become to detect to aim at utilizing the jack among the effectual solution prior art, but be connected through the welding between the lower extreme of the interlinkage drum that sets up in the above-mentioned scheme and the bored concrete pile extension owner muscle, still need cut after the experiment, welded connection is also probably because the welding is insecure, cause to link drum and the disconnection of extension owner muscle, thereby can lead to the fact the problem of certain influence to the experiment.

In order to solve the above problem, the utility model adopts the following technical scheme:

the utility model provides a vertical resistance to plucking static test check out test set of single pile based on buttress method, includes the support mound that experimental stake and symmetry set up, the symmetry sets up the last fixed surface of support mound is connected with the U-shaped girder steel, the even fixedly connected with jack of upper surface of U-shaped girder steel, the last fixed surface of jack is connected with the counter-force platform, the outer wall symmetry of experimental stake is provided with coupling mechanism, and the symmetry sets up pass through bolted connection between the coupling mechanism, evenly be provided with the head rod on the coupling mechanism, the head rod is kept away from coupling mechanism's one end with the counter-force platform is connected, there is the limiting plate coupling mechanism's top through bolted connection, the lower surface butt joint of limiting plate has first anti-skidding mechanism, first anti-skidding mechanism is located the inside of limiting plate, first anti-skidding mechanism's inner wall with support mound looks butt, during the use, move through jack counter-force control platform, head rod and coupling mechanism drive experimental stake and carry out vertical resistance to plucking test, can extrude the first anti-skidding mechanism that sets up when coupling mechanism removes, the reinforcing is to experimental stake to the effect of avoiding the welded steel bar to appear and the welded test as far as possible, because the welded and the welded test of the disconnection, the welded condition appears, because of the extension, the welded test that the welded condition of the steel bar that can cause the welded.

As a preferred scheme of the utility model, coupling mechanism's top is connected with the mounting panel through the second connecting rod, the even fixedly connected with pile foundation reinforcing bar in inside of experimental stake, the pile foundation reinforcing bar is kept away from the one end of experimental stake is passed the inside of mounting panel, the inside of mounting panel evenly is provided with second anti-skidding mechanism, second anti-skidding mechanism's inner wall with the outer wall looks butt of pile foundation reinforcing bar.

As an optimized scheme of the utility model, coupling mechanism is including being located the outside U-shaped plate of experimental stake, the inside of U-shaped plate has been seted up and has been put the thing groove, a non-slip mechanism is located put the inside in thing groove, the bilateral symmetry fixedly connected with connecting plate of U-shaped plate.

As a preferred scheme of the utility model, the head rod with the structure of second connecting rod is the same, the head rod is including passing the counter-force platform with coupling mechanism's threaded rod, the equal threaded connection in both ends of threaded rod has the nut.

As a preferred scheme of the utility model, the mounting panel includes the plectane, evenly seted up on the plectane and put the thing hole, the pile foundation reinforcing bar passes put the thing hole, second anti-skidding mechanism is located put the inside in thing hole.

As a preferred scheme of the utility model, a non-slip mechanism is including being located put the inside three hornblocks of thing groove, the upper surface of three hornblocks with limiting plate looks butt, three hornblocks are close to one side fixedly connected with slipmat of experimental stake, the slipmat with the outer wall looks butt of experimental stake.

As a preferred scheme of the utility model, second anti-skidding mechanism is including being located put downthehole first arc and the second arc of thing, first arc with the second arc sets up relatively, first arc with the even fixedly connected with antiskid head of inner wall of second arc, antiskid head inside with pile foundation reinforcing bar looks butt.

Compared with the prior art, the utility model has the advantages of:

(1) The U-shaped girder steel that this application set up can restrict the mounted position of jack, the jack can control the counter-force platform and remove, can drive coupling mechanism through first connecting rod when the counter-force platform removes and remove, the coupling mechanism that the symmetry set up mutually supports and cliies experimental stake, thereby can drive experimental stake when coupling mechanism removes and carry out vertical resistance to plucking static test and detect, the mounted position of limiting plate can restrict first anti-skidding mechanism, first anti-skidding mechanism receives the extrusion when coupling mechanism removes, thereby the centre gripping effect to experimental stake is strengthened, this application carries out the mode of centre gripping to experimental stake through coupling mechanism and the cooperation of first anti-skidding mechanism, come to carry out vertical resistance to plucking static test and detect to experimental stake, thereby it needs to cut after the experiment because of the welded connection to have avoided appearing as far as possible, or because the welding is insecure, cause and prolong the reinforcing bar disconnection, the condition of influence causes the experiment, make this application do benefit to the use more.

(2) The U-shaped plate that this application set up can restrict the hookup location of coupling mechanism and test stake, puts the thing groove and can restrict first anti-skidding mechanism's mounted position, and the connecting plate can carry out the centre gripping fixed to test stake through with the bolt, and three hornblocks can restrict the mounted position of slipmat, and the slipmat can be when three hornblocks are extruded by coupling mechanism increase and test the frictional force between the stake.

(3) The second anti-skidding mechanism that this application set up can increase and pile foundation steel bar between frictional force when the mounting panel removes, thereby through pile foundation steel bar reinforcing to the experimental vertical resistance to plucking static test detection effect of stake, it can restrict second anti-skidding mechanism's mounted position to put the thing hole, and second anti-skidding mechanism's top is located the outside of putting the thing hole, thereby be convenient for second anti-skidding mechanism dismantles, first arc is the pipe with the cooperation of second arc, can live pile foundation steel bar circle, the mounted position of antiskid head can be restricted to first arc and second arc simultaneously, antiskid head sets up for the slope, when the mounting panel drives first arc and second pile foundation arc and shifts up, can increase and pile foundation steel bar between the frictional force.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic cross-sectional view of the present invention;

fig. 3 is an enlarged schematic view of a structure at a point a in fig. 1 according to the present invention;

fig. 4 is an enlarged schematic view of the structure at B in fig. 2 according to the present invention;

fig. 5 is an enlarged schematic view of the structure at C in fig. 2 according to the present invention.

The reference numbers in the figures illustrate:

1. testing piles; 2. supporting piers; 3. a U-shaped steel beam; 4. a jack; 5. a counter-force platform; 6. a first connecting rod; 601. a threaded rod; 602. a nut; 7. a connecting mechanism; 701. a U-shaped plate; 702. a storage groove; 703. a connecting plate; 8. a limiting plate; 9. a first anti-slip mechanism; 901. a triangular block; 902. a non-slip mat; 10. a second connecting rod; 11. mounting a plate; 1101. a circular plate; 1102. a placing hole; 12. pile foundation reinforcing steel bars; 13. a second anti-skid mechanism; 1301. a first arc-shaped plate; 1302. a second arc-shaped plate; 1303. and (4) an anti-skid head.

Detailed Description

The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention based on the embodiments of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may be 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 in specific cases to those skilled in the art.

Example (b):

referring to fig. 1-5, a single-pile vertical uplift static load test detection device based on a buttress method includes a test pile 1 and symmetrically arranged support piers 2, wherein the upper surfaces of the symmetrically arranged support piers 2 are fixedly connected with jacks 4 uniformly and fixedly connected with the upper surfaces of U-shaped steel beams 3,U and steel beams 3, the upper surfaces of the jacks 4 are fixedly connected with counterforce platforms 5, the outer walls of the test pile 1 are symmetrically provided with connecting mechanisms 7, the symmetrically arranged connecting mechanisms 7 are connected through bolts, the connecting mechanisms 7 are uniformly provided with first connecting rods 6, one ends, far away from the connecting mechanisms 7, of the first connecting rods 6 are connected with the counterforce platforms 5, the upper portions of the connecting mechanisms 7 are connected with limiting plates 8 through bolts, the lower surfaces of the limiting plates 8 are abutted with first anti-skid mechanisms 9, the first anti-skid mechanisms 9 are located inside the limiting plates 8, and the inner walls of the first anti-skid mechanisms 9 are abutted with the support piers 2.

In this embodiment, support pier 2 that sets up among the vertical resistance to plucking static load test check out test set of single pile based on buttress method can play the supporting role to U-shaped girder steel 3, U-shaped girder steel 3 can restrict the mounted position of jack 4, jack 4 can control counter-force platform 5 and remove, can drive coupling mechanism 7 through head rod 6 when counter-force platform 5 removes and remove, the coupling mechanism 7 of symmetry setting is mutually supported and is cliied experimental stake 1, thereby can drive experimental stake 1 when coupling mechanism 7 removes and carry out vertical resistance to plucking static load test and detect, limiting plate 8 can restrict the mounted position of first anti-skidding mechanism 9, first anti-skidding mechanism 9 receives the extrusion when coupling mechanism 7 removes, thereby the reinforcing is to the clamping effect of experimental stake 1, this application passes through coupling mechanism 7 and the mode that first anti-skidding mechanism 9 cooperates and carry out the centre gripping to experimental stake 1, come to carry out vertical resistance to plucking static load test to experimental stake 1 and detect, thereby the condition of using of steel bar influence that causes the experiment to be more to the influence of welded type connection has been avoided appearing as far as possible.

Referring to fig. 1, 3 and 4, the connecting mechanism 7 includes a U-shaped plate 701 located outside the test pile 1, a storage groove 702 is formed inside the U-shaped plate 701, the first anti-slip mechanism 9 is located inside the storage groove 702, and two sides of the U-shaped plate 701 are symmetrically and fixedly connected with connecting plates 703.

In this embodiment, the provided U-shaped plate 701 can limit the connection position of the connection mechanism 7 and the test pile 1, the storage groove 702 can limit the installation position of the first anti-slip mechanism 9, and the connection plate 703 can clamp and fix the test pile 1 by bolts.

Referring to fig. 2 and 4, the first anti-slip mechanism 9 includes a triangular block 901 located inside the article holding groove 702, an upper surface of the triangular block 901 abuts against the limiting plate 8, one side of the triangular block 901 close to the test pile 1 is fixedly connected with an anti-slip pad 902, and the anti-slip pad 902 abuts against an outer wall of the test pile 1.

In this embodiment, the triangular block 901 can limit the installation position of the non-slip mat 902, and the non-slip mat 902 can increase the friction force with the test pile 1 when the triangular block 901 is pressed by the connecting mechanism 7.

Referring to fig. 2, 3 and 4, the mounting plate 11 is connected to the upper side of the connecting mechanism 7 through a second connecting rod 10, the pile-foundation reinforcing steel bars 12 are uniformly and fixedly connected to the inside of the test pile 1, one end, far away from the test pile 1, of the pile-foundation reinforcing steel bars 12 penetrates through the inside of the mounting plate 11, the second anti-skid mechanisms 13 are uniformly arranged inside the mounting plate 11, and the inner walls of the second anti-skid mechanisms 13 are abutted to the outer walls of the pile-foundation reinforcing steel bars 12.

In this embodiment, mounting panel 11 can restrict the mounted position of second anti-skidding mechanism 13, and can drive mounting panel 11 through second connecting rod 10 and remove when coupling mechanism 7 removes, and the second anti-skidding mechanism 13 of setting can increase and pile foundation reinforcing bar 12 between frictional force when mounting panel 11 removes to through pile foundation reinforcing bar 12 reinforcing to the experimental detection effect of vertical resistance to plucking static load of experimental stake 1.

Referring to fig. 2 and 5, the first connecting rod 6 and the second connecting rod 10 have the same structure, the first connecting rod 6 includes a threaded rod 601 penetrating through the reaction platform 5 and the connecting mechanism 7, and nuts 602 are screwed to both ends of the threaded rod 601.

In this embodiment, the threaded rod 601 can restrict the position between the reaction force platform 5 and the connection mechanism 7 by engaging with the nut 602.

Referring to fig. 2, 3 and 4, the mounting plate 11 includes a circular plate 1101, object placing holes 1102 are uniformly formed in the circular plate 1101, the pile reinforcing steel bars 12 pass through the object placing holes 1102, and the second anti-slip mechanism 13 is located inside the object placing holes 1102.

In this embodiment, the article placing hole 1102 is arranged to limit the installation position of the second anti-skid mechanism 13, and the top of the second anti-skid mechanism 13 is located outside the article placing hole 1102, so that the second anti-skid mechanism 13 can be detached conveniently.

Referring to fig. 3 and 4, the second anti-slip mechanism 13 includes a first arc-shaped plate 1301 and a second arc-shaped plate 1302 which are located inside the object placing hole 1102, the first arc-shaped plate 1301 and the second arc-shaped plate 1302 are arranged oppositely, anti-slip heads 1303 are uniformly and fixedly connected to inner walls of the first arc-shaped plate 1301 and the second arc-shaped plate 1302, and the anti-slip heads 1303 are abutted to the pile foundation reinforcing steel bars 12.

In this embodiment, the cooperation of the first arc 1301 of setting and second arc 1302 is the pipe, can live pile foundation reinforcing bar 12 circle, and first arc 1301 and second arc 1302 can restrict anti-skidding head 1303's mounted position simultaneously, and anti-skidding head 1303 sets up for the slope, when mounting panel 11 drives first arc 1301 and second arc 1302 and shifts up, can increase and pile foundation reinforcing bar 12 between the frictional force.

The working principle is as follows:

the utility model discloses, in the use, remove through jack 4 control counter-force platform 5, it removes to drive coupling mechanism 7 through first connecting rod 6 when counter-force platform 5 removes, can drive test stake 1 when coupling mechanism 7 removes and carry out vertical resistance to plucking static test and detect, the inside at coupling mechanism 7 is installed to first anti-skidding mechanism 9 of setting, can extrude first anti-skidding mechanism 9 when coupling mechanism 7 removes, thereby the reinforcing is to test stake 1's centre gripping effect, this application carries out the mode of centre gripping to test stake 1 through coupling mechanism 7 and the cooperation of first anti-skidding mechanism 9, come to carry out vertical resistance to plucking static test and detect to test stake 1, thereby it needs the cutting to have avoided appearing to appear to cause after the test to end because of welded type connection as far as possible, perhaps because the welding is insecure, cause and the disconnection of extension reinforcing bar, the condition of influence is caused to the experiment, make this application do benefit to the use more.

The above is only the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can substitute or change the technical solution and the improvement concept of the present invention within the technical scope disclosed in the present invention, and all the technical solutions and the improvement concepts of the present invention should be covered by the scope of the present invention.

Claims

1. The utility model provides a vertical resistance to plucking static test check out test set of single pile based on buttress method which characterized in that includes:

support mound (2) that experimental stake (1) and symmetry set up, the symmetry sets up the last fixed surface of support mound (2) is connected with U-shaped girder steel (3), the even fixedly connected with jack (4) of upper surface of U-shaped girder steel (3), the last fixed surface of jack (4) is connected with reaction platform (5), the outer wall symmetry of experimental stake (1) is provided with coupling mechanism (7), and the symmetry sets up through bolted connection between coupling mechanism (7), evenly be provided with head rod (6) on coupling mechanism (7), head rod (6) are kept away from the one end of coupling mechanism (7) with reaction platform (5) are connected, there are limiting plate (8) top of coupling mechanism (7) through bolted connection, the lower surface of limiting plate (8) has abutted first anti-skidding mechanism (9), first anti-skidding mechanism (9) are located the inside of limiting plate (8), the inner wall of first anti-skidding mechanism (9) with support mound (2) looks butt.

2. The single-pile vertical uplift static load test detection equipment based on the buttress method as claimed in claim 1, wherein: the top of coupling mechanism (7) is connected with mounting panel (11) through second connecting rod (10), the even fixedly connected with pile foundation reinforcing bar (12) in inside of experimental stake (1), keep away from pile foundation reinforcing bar (12) the one end of experimental stake (1) is passed the inside of mounting panel (11), the inside of mounting panel (11) evenly is provided with second anti-skidding mechanism (13), the inner wall of second anti-skidding mechanism (13) with the outer wall looks butt of pile foundation reinforcing bar (12).

3. The single-pile vertical uplift static load test detection equipment based on the buttress method as claimed in claim 1, wherein: the connecting mechanism (7) comprises a U-shaped plate (701) located outside the test pile (1), an object placing groove (702) is formed in the U-shaped plate (701), the first anti-skidding mechanism (9) is located in the object placing groove (702), and connecting plates (703) are fixedly connected to two sides of the U-shaped plate (701) symmetrically.

4. The single-pile vertical uplift static load test detection equipment based on the buttress method as claimed in claim 2, wherein: the structure of the first connecting rod (6) is the same as that of the second connecting rod (10), the first connecting rod (6) comprises a threaded rod (601) penetrating through the counter force platform (5) and the connecting mechanism (7), and nuts (602) are connected to two ends of the threaded rod (601) in a threaded mode.

5. The single-pile vertical uplift static load test detection equipment based on the buttress method as claimed in claim 2, wherein: the mounting plate (11) comprises a circular plate (1101), the circular plate (1101) is evenly provided with a placement hole (1102), the pile foundation steel bar (12) penetrates through the placement hole (1102), and the second anti-skid mechanism (13) is located inside the placement hole (1102).

6. The single-pile vertical uplift static load test detection equipment based on the buttress method as claimed in claim 3, wherein: the first anti-slip mechanism (9) comprises a triangular block (901) located inside the article placing groove (702), the upper surface of the triangular block (901) is abutted to the limiting plate (8), an anti-slip pad (902) is fixedly connected to one side, close to the test pile (1), of the triangular block (901), and the anti-slip pad (902) is abutted to the outer wall of the test pile (1).

7. The single-pile vertical uplift static load test detection equipment based on the buttress method as claimed in claim 5, wherein: the second anti-skidding mechanism (13) comprises a first arc-shaped plate (1301) and a second arc-shaped plate (1302) which are located inside the object placing hole (1102), the first arc-shaped plate (1301) and the second arc-shaped plate (1302) are arranged oppositely, anti-skidding heads (1303) are evenly and fixedly connected to the inner walls of the first arc-shaped plate (1301) and the second arc-shaped plate (1302), and the anti-skidding heads (1303) are connected with the pile foundation reinforcing steel bars (12) in an abutting mode.