CN211037085U - High-strain pile foundation detection structure - Google Patents
High-strain pile foundation detection structure Download PDFInfo
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- CN211037085U CN211037085U CN201921843771.1U CN201921843771U CN211037085U CN 211037085 U CN211037085 U CN 211037085U CN 201921843771 U CN201921843771 U CN 201921843771U CN 211037085 U CN211037085 U CN 211037085U
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- rod
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- locking
- pile foundation
- guide frame
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Abstract
The utility model relates to a high strain pile foundation detection structure, which comprises a guide frame, a detacher and a locking piece, wherein a positioning rod is vertically arranged on the guide frame, an expansion piece is arranged on the side wall of the positioning rod towards a second clamping rod, the expansion piece comprises a positioning groove arranged on the positioning rod, a positioning block connected in the positioning groove in a sliding way, and a compression spring is arranged between one end of the positioning block relative to the second clamping rod and the inner wall of the positioning groove; under initial state, the locating piece part is outside the constant head tank and the lower extreme of the part outside the constant head tank is the inclined plane setting, the detacher displacement in-process from top to bottom, locking pole and locating piece butt. The utility model discloses have quick unhook, improve work efficiency's effect.
Description
Technical Field
The utility model belongs to the technical field of the technique that building pile foundation detected and specifically relates to a high pile foundation that meets an emergency detects structure is related to.
Background
The existing pile foundation high strain method detection project is that a heavy hammer is lifted to a certain height by using a hoisting machine and then falls off, and the top surface of the pile foundation is hammered by the free falling body of the heavy hammer to judge whether the vertical compression resistance bearing capacity of the pile foundation meets the design requirement. In order to ensure the safety of personnel and equipment and the smooth test, the heavy hammer needs to be lifted by a hoisting machine and mounted on a stable bracket, and is released by a special unhooking device to finish the hammering action.
The prior Chinese patent with the publication number of CN208121834U discloses a large-tonnage high-level variable hammer device, which comprises a guide frame and a detacher, wherein the detacher is used for clamping a heavy hammer and is connected with a hoisting machine, the detacher comprises a first clamping rod and a second clamping rod which are hinged on a hanging rod at the same time, the first clamping rod and the second clamping rod are in X-shaped connection, and lower clamping ports of the first clamping rod and the second clamping rod are used for clamping the heavy hammer; articulated on the first supporting rod have a lock pole, be fixed with the lock round pin on the second supporting rod, the lock pole is fixed with the pin towards the lower extreme vertical fixation of second supporting rod one side, in the lock pole upset process, the pin is simultaneously with the lock round pin butt towards the side of first supporting rod and lock pole lower extreme, and first supporting rod is closed state with second supporting rod lower extreme clamp mouth this moment, play the clamping action to the counter weight, when jack-up machinery hangs the counter weight to suitable position, utilize the auxiliary hook to lock the pole, it overturns upwards towards one side of second supporting rod to order about the lock pole, remove first supporting rod, the locking work of second supporting rod, under the action of gravity of counter weight, first supporting rod, the clamp mouth of second supporting rod is opened, the counter weight drops and plays detection achievement on the pile foundation.
The above prior art solutions have the following drawbacks: when utilizing the auxiliary hook to hang the locking lever, because the auxiliary hook is connected with the cable wire, at the in-process of hanging, the auxiliary hook rocks easily, leads to the staff to be difficult to aim at the auxiliary hook locking lever and hang, probably needs many times to try for a long time and just can successfully accomplish unhook work, influences work efficiency.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a high pile foundation that meets an emergency detects structure has quick unhook, improves work efficiency's effect.
The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:
a high-strain pile foundation detection structure comprises a guide frame, a detacher and a locking piece, wherein the detacher comprises a hanging rod, a first clamping rod and a second clamping rod which are hinged to the hanging rod simultaneously, and the first clamping rod and the second clamping rod are arranged in an X shape; the locking piece comprises a locking rod rotationally connected to the first clamping rod, a locking pin fixed on the second clamping rod and a stop lever vertically fixed at the lower end of the locking rod, and in the rotating process of the locking rod, the stop lever is abutted against the outer wall of the locking pin towards the side surface of the first clamping rod; a positioning rod is vertically arranged on the guide frame, a telescopic piece is arranged on the side wall of the positioning rod facing the second clamping rod, the telescopic piece comprises a positioning groove formed in the positioning rod, a positioning block connected in the positioning groove in a sliding manner, and a compression spring is arranged between one end of the positioning block, opposite to the second clamping rod, and the inner wall of the positioning groove; under initial state, the locating piece part is outside the constant head tank and the lower extreme of the part outside the constant head tank is the inclined plane setting, the detacher displacement in-process from top to bottom, locking pole and locating piece butt.
By adopting the technical scheme, when the lifting equipment lifts the detacher, the first clamping rod and the second clamping rod are under the dead weight, the openings at the lower ends are closed, the heavy hammer is clamped in the openings, and meanwhile, the locking rod is turned over, so that the stop rod of the locking rod is abutted against the side wall of the locking pin, the opening of the first clamping rod and the second clamping rod is limited, and the lifting action on the heavy hammer can be realized;
when the heavy hammer is required to drop on the pile foundation, the lifting equipment moves the detacher upwards to enable the locking rod to be positioned at one end of the second clamping rod and transmit with the inclined surface of the positioning block, the positioning block slides into the positioning groove under the elastic action of the compression spring until the locking rod is higher than the positioning block, the positioning block partially pops out of the positioning groove under the elastic action of the compression spring, the detacher is driven to move downwards to enable the lower end of the locking rod to be abutted against the positioning block, the locking rod is driven to turn upwards in the descending process to enable the stop rod to be far away from the locking pin, the limiting effect of the first clamping rod and the second clamping rod is relieved, and the heavy hammer drops on the pile foundation under the self-weight effect to complete detection work; in this process, need not to use the auxiliary hook, only need order about the weight displacement from top to bottom can, realize its automatic unhook work, easy operation can reach quick unhook, improves work efficiency's effect.
The utility model discloses further set up to: the positioning block is characterized in that a limiting groove with two closed ends is formed in the inner wall of the positioning groove, and a limiting block inserted in the limiting groove is arranged on the side wall of the positioning block.
Through adopting above-mentioned technical scheme, utilize the spacing groove of seting up in the constant head tank lateral wall, make its and the stopper peg graft cooperation relation, realize the spacing work to locating piece displacement distance, can prevent that the locating piece from under compression spring's elastic action, roll-off completely outside the constant head tank.
The utility model discloses further set up to: one side of the locking rod towards the positioning rod is provided with a balancing weight.
Through adopting above-mentioned technical scheme, make its lock pole receive the dead weight of balancing weight, when first supporting rod, second supporting rod lower extreme opening were closed, the automatic butt of lock pole was on the lock pin, made its pin and lock pin, played limiting displacement to first supporting rod, second supporting rod, and guaranteed at the in-process of hoist and mount weight, under the drive of no external force, the lock pole was in the limit state to first supporting rod, second supporting rod always.
The utility model discloses further set up to: the guide frame is provided with a limiting seat, and a guide groove for the steel cable of the crane to pass through penetrates through the limiting seat.
Through adopting above-mentioned technical scheme, utilize the spacing seat that sets up at the leading truck to and the guide way of seting up on the spacing seat, make it can play the guide effect to hoisting equipment's cable wire, make it more stable at the hoist and mount in-process, the weight is difficult for rocking, guarantees that the detacher shifts up the in-process, the counterpoint accuracy of locking lever and locating piece.
The utility model discloses further set up to: the guide frame is also provided with a lifting piece driving the positioning rod to vertically displace.
Through adopting above-mentioned technical scheme, utilize the lift piece can order about the locating lever displacement from top to bottom, make its adjustable locating piece's upper and lower high position to make it can change the work that freely drops of weight at co-altitude not according to the on-the-spot detection requirement, satisfy different detection requirements.
The utility model discloses further set up to: the lifting piece comprises connecting plates fixed on opposite side walls of the positioning rod, guide rods vertical to the guide frame and penetrating through the two connecting plates respectively, and a screw rod, and the screw rod is rotatably connected to the guide frame and in threaded fit with the connecting plates.
Through adopting above-mentioned technical scheme, utilize the guide bar to pass one of them connecting plate, play the spacing work of circumference to the locating lever, and then order about the lead screw and rotate, under the screw-thread fit effect of lead screw and another connecting plate, realize changing the not work of co-altitude of locating lever, simultaneously under the frictional force of lead screw and connecting plate, can play limiting displacement to the locating lever.
The utility model discloses further set up to: the lower end of the screw rod extends to the lower part of the guide frame, and a hand wheel is arranged at one end of the lower part of the guide frame.
Through adopting above-mentioned technical scheme, utilize the lower extreme of lead screw to extend to the leading truck below to and the setting of hand wheel, the staff of being convenient for stands subaerially, to the drive work of lead screw.
The utility model discloses further set up to: the guide frame is provided with the guide block respectively in the both sides of two lateral walls of the perpendicular connecting plate of locating lever, two inlay respectively on the lateral wall of guide block and be equipped with the ball, the outer wall of ball rolls with the outer wall of locating lever and contradicts.
By adopting the technical scheme, the two guide blocks are utilized to guide the other two side surfaces of the positioning rod, so that the positioning rod keeps vertical displacement work, the positioning rod is not easy to incline, and the positioning accuracy of the locking rod and the positioning block is further ensured; and then utilize the ball of inlaying and locating the guide block lateral wall, roll with the lateral wall of locating lever and contradict, make it reduce the frictional force between locating lever and the guide block, be convenient for order about the upper and lower displacement work of locating lever.
To sum up, the utility model discloses a beneficial technological effect does:
the positioning rod is vertically arranged and the positioning block automatically pops out in the positioning rod, when the positioning rod needs to be unhooked, only the unhooking device needs to be driven to move upwards, the locking rod of the positioning rod is driven to move downwards after being positioned at the upper end of the positioning block, the locking rod is driven to move downwards, in the downward movement process, upward overturning work is carried out under the butt joint work of the positioning block, the stop rod of the locking rod is far away from the locking pin, the locking rod is driven to remove the limiting work of the first clamping rod and the second clamping rod, the automatic unhooking work of the positioning rod is realized, quick unhooking is achieved, and the working efficiency is improved;
the utility model has the advantages of utilize and order about the lead screw and rotate, can order about the locating lever and do displacement work from top to bottom to can change the high position of locating piece, make it can change the height that the weight dropped according to the on-the-spot detection demand, can satisfy different detection requirements.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a partial structural view of the detacher of fig. 1.
Fig. 3 is a schematic cross-sectional view of the positioning rod of fig. 1.
Fig. 4 is an enlarged schematic view at a in fig. 3.
In the figure, 1, a guide frame; 11. a column; 12. a cross beam; 13. a through groove; 2. a detacher; 21. a first clamping rod; 22. a second clamping rod; 23. a boom; 24. a rotating shaft; 3. a locking member; 31. a rotating shaft; 32. a lock lever; 33. a locking pin; 34. a stop lever; 35. a balancing weight; 4. a telescoping member; 41. positioning a groove; 42. positioning blocks; 43. a bevel; 44. a compression spring; 45. a limiting block; 46. a limiting groove; 5. a limiting seat; 6. a connecting plate; 7. a screw rod; 8. a guide bar; 9. a guide block; 10. a ball bearing; 101. positioning a rod; 102. a handwheel.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1 and 2, in order to disclose a high strain pile foundation detection structure of the present invention, the structure comprises a guide frame 1, including two beams 12 arranged in parallel and two sets of columns 11 supported on the ground, a gap is left between the two beams 12 to form a through groove 13, and the columns 11 are welded and fixed with the lower ends of the two sets of beams 12; the welding of logical groove 13's intermediate position has spacing seat 5, sets up the guide way that runs through the side from top to bottom in the middle of the spacing seat 5, and hoisting equipment's cable wire passes the guide way, and the lower extreme of cable wire is connected with locking piece 3 of unhooking ware 2 and spacing unhooking ware 2, and unhooking ware 2 is used for the centre gripping weight, makes its hoisting equipment can hoist and mount to the weight.
Above-mentioned detacher 2 includes jib 23, jib 23 is lower extreme open-ended spill setting, jib 23 upper end is fixed with the cable wire, it is connected with first supporting rod 21 and second supporting rod 22 to rotate through pivot 24 in the jib 23, first supporting rod 21 thickness is thinner than second supporting rod 22, set up the trough of wearing that supplies first supporting rod 21 to pass on the second supporting rod 22, pass jib 23 through pivot 24, first supporting rod 21 and second supporting rod 22, realize the articulated work of first supporting rod 21 and second supporting rod 22, and first supporting rod 21 under the dead weight, second supporting rod 22 lower extreme is the butt relation, form the centre gripping space of block weight. The locking piece 3 comprises a rotating shaft 31 vertically fixed on two side walls in the thickness direction of the first clamping rod 21, a locking rod 32 is sleeved on the rotating shaft 31 respectively, a locking pin 33 arranged in parallel with the rotating shaft 31 is fixed on two side walls in the thickness direction of the second clamping rod 22, a stop rod 34 is vertically fixed at the lower end of the locking rod 32, and a balancing weight 35 is fixed at the lower end of one end, facing the second clamping rod 22, of the locking rod 32; when the lower ends of the first clamping rod 21 and the second clamping rod 22 are abutted and closed, the locking rod 32 is abutted on the locking pin 33, and the stop lever 34 is abutted with the locking pin 33 towards the side wall of the first clamping rod 21, so that the limiting work of the first clamping rod 21 and the second clamping rod 22 is realized.
Referring to fig. 1 and 3, a positioning rod 101 is further vertically disposed on the cross beam 12, the positioning rod 101 is disposed on a side of the second clamping rod 22 opposite to the first clamping rod 21, and a set of telescopic members 4 is disposed on a side wall of the positioning rod 101 facing the second clamping rod 22; referring to fig. 4: the telescopic part 4 comprises a positioning groove 41, the positioning groove 41 is arranged on the positioning rod 101, a positioning block 42 is connected in the positioning groove 41 in a sliding manner, and a compression spring 44 is fixed between one end of the positioning block 42, which is opposite to the second clamping rod 22, and the positioning groove 41; the top wall of the positioning groove 41 is also communicated with a limiting groove 46, two ends of the limiting groove 46 are arranged in a sealing manner, and the upper end of the positioning block 42 is fixed with a limiting block 45 inserted in the limiting groove 46; in the initial state of the compression spring 44, the limiting block 45 is driven to abut against the limiting groove 46 toward the sidewall of the second clamping rod 22 (refer to fig. 2), and meanwhile, the positioning block 42 is partially located outside the positioning groove 41, and the lower end of the positioning block 42 located outside the positioning groove 41 is disposed in an inclined plane 43. In the upward displacement process of the detacher 2, the upper end of the locking rod 32 abuts against the inclined surface 43 at the lower end of the positioning block 42, the positioning block 42 is linearly reciprocated and displaced along the positioning groove 41 under the elastic action of the compression spring 44, and after the locking rod 32 is positioned at the upper end of the positioning block 42, the detacher 2 is displaced downward to drive the locking rod 32 to turn over upward, so that the limiting effects of the first clamping rod 21 and the second clamping rod 22 are removed, and the heavy hammer of the detacher can freely drop.
Referring to fig. 1, the positioning rod 101 is inserted into the through groove 13, two side faces of the downward beam 12 are respectively welded with a connecting plate 6, two beams 12 are respectively vertically provided with a guide rod 8 and a screw rod 7 which penetrate through the corresponding connecting plate 6, the screw rod 7 is rotatably connected to the beam 12 through a bearing and is in threaded fit with the connecting plate 6, the lower end of the screw rod 7 extends to the lower side of the beam 12, and the lower end of the screw rod 7 is coaxially fixed with a hand wheel 102.
Referring to fig. 1 and 3, a guide block 9 is welded on each of two sides of the through groove 13, which are located on two side walls of the positioning rod 101 perpendicular to the connecting plate 6, a gap is left between the guide block 9 and the positioning rod 101, four balls 10 are embedded on each of the side walls of the guide block 9, and the outer walls of the balls 10 are in rolling contact with the side walls of the positioning rod 101.
The implementation principle of the embodiment is as follows: when detecting the pile foundation, earlier under the limiting displacement of lock pole 32, order about first supporting rod 21, second supporting rod 22 forms the joint state to the weight, hoisting equipment orders about the weight displacement up, and at the displacement in-process, lock pole 32 and the transmission of locating piece 42 inclined plane 43, order about locating piece 42 to be the reciprocal displacement of straight line under compression spring 44's elastic action, after lock pole 32 is in on the locating piece 42, order about the weight displacement down again, make its lock pole 32 with locating piece 42 upper end butt at the displacement in-process, order about lock pole 32 upset up, relieve the limiting operation of lock pole 32 to first supporting rod 21, second supporting rod 22, make its weight be the free fall motion, realize the detection work to the pile foundation.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (8)
1. A high strain pile foundation detection structure comprises a guide frame (1), a detacher (2) and a locking piece (3), wherein the detacher (2) comprises a hanging rod (23), and a first clamping rod (21) and a second clamping rod (22) which are hinged to the hanging rod (23) simultaneously, and the first clamping rod (21) and the second clamping rod (22) are arranged in an X shape; the locking piece (3) comprises a locking rod (32) which is rotatably connected to the first clamping rod (21), a locking pin (33) which is fixed to the second clamping rod (22), and a stop lever (34) which is vertically fixed to the lower end of the locking rod (32), and in the rotating process of the locking rod (32), the stop lever (34) abuts against the outer wall of the locking pin (33) towards the side surface of the first clamping rod (21); the method is characterized in that: a positioning rod (101) is vertically arranged on the guide frame (1), a telescopic piece (4) is arranged on the side wall of the positioning rod (101) facing the second clamping rod (22), the telescopic piece (4) comprises a positioning groove (41) formed in the positioning rod (101), a positioning block (42) connected in the positioning groove (41) in a sliding manner, and a compression spring (44) is arranged between one end of the positioning block (42) opposite to the second clamping rod (22) and the inner wall of the positioning groove (41); under initial condition, the lower extreme of locating piece (42) part outside being located constant head tank (41) and being located the part outside constant head tank (41) is inclined plane (43) and sets up, detacher (2) displacement process from top to bottom, locking pole (32) and locating piece (42) butt.
2. The high strain pile foundation detection structure of claim 1, wherein: the inner wall of the positioning groove (41) is provided with a limiting groove (46) with two closed ends, and the side wall of the positioning block (42) is provided with a limiting block (45) inserted in the limiting groove (46).
3. The high strain pile foundation detection structure of claim 1, wherein: and a balancing weight (35) is arranged on one side, facing the positioning rod (101), of the locking rod (32).
4. The high strain pile foundation detection structure of claim 1, wherein: the guide frame (1) is provided with a limiting seat (5), and a guide groove for the steel cable of the crane to pass through penetrates through the limiting seat (5).
5. The high strain pile foundation detection structure of claim 1, wherein: the guide frame (1) is also provided with a lifting piece for driving the positioning rod (101) to vertically move.
6. The high-strain pile foundation detection structure according to claim 5, wherein: the lifting piece comprises connecting plates (6) fixed on opposite side walls of the positioning rod (101), guide rods (8) vertical to the guide frame (1) and penetrating through the two connecting plates (6) respectively, and a screw rod (7), wherein the screw rod (7) is rotatably connected to the guide frame (1) and is in threaded fit with the connecting plates (6).
7. The high-strain pile foundation detection structure according to claim 6, wherein: the lower end of the screw rod (7) extends to the lower part of the guide frame (1), and a hand wheel (102) is arranged at one end of the lower part of the guide frame (1).
8. The high-strain pile foundation detection structure according to claim 5, wherein: the two sides of the guide frame (1) at the two side walls of the vertical connecting plate (6) of the positioning rod (101) are respectively provided with a guide block (9), two balls (10) are respectively embedded on the side walls of the guide blocks (9), and the outer wall of each ball (10) is in rolling contact with the outer wall of the corresponding positioning rod (101).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921843771.1U CN211037085U (en) | 2019-10-28 | 2019-10-28 | High-strain pile foundation detection structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921843771.1U CN211037085U (en) | 2019-10-28 | 2019-10-28 | High-strain pile foundation detection structure |
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| Publication Number | Publication Date |
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| CN211037085U true CN211037085U (en) | 2020-07-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921843771.1U Active CN211037085U (en) | 2019-10-28 | 2019-10-28 | High-strain pile foundation detection structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117068952A (en) * | 2023-10-18 | 2023-11-17 | 诺尔起重机有限公司 | Anti-swing protection device of KBK crane |
-
2019
- 2019-10-28 CN CN201921843771.1U patent/CN211037085U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117068952A (en) * | 2023-10-18 | 2023-11-17 | 诺尔起重机有限公司 | Anti-swing protection device of KBK crane |
| CN117068952B (en) * | 2023-10-18 | 2024-01-09 | 诺尔起重机有限公司 | Anti-swing protection device of KBK crane |
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