CN217058723U - Steel-pipe pile straightness short-term test device that hangs down - Google Patents
Steel-pipe pile straightness short-term test device that hangs down Download PDFInfo
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- CN217058723U CN217058723U CN202220889823.4U CN202220889823U CN217058723U CN 217058723 U CN217058723 U CN 217058723U CN 202220889823 U CN202220889823 U CN 202220889823U CN 217058723 U CN217058723 U CN 217058723U
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Abstract
The utility model belongs to the technical field of pile foundation construction, and relates to a steel pipe pile verticality rapid detection device, wherein the top end of a Y-shaped welded steel plate is welded at the bottom middle position of a top connecting table, an infrared emission device is fixedly installed in the middle of the top connecting table, and two hanging rings are symmetrically welded at two ends of the top connecting table; the vertical slide rails are welded at the position, away from the outer side 1/3, of each steel plate in the Y-shaped welded steel plates, and two guide slide blocks are arranged in each vertical slide rail; an upper layer of supporting assembly and a lower layer of supporting assembly are erected around the Y-shaped welded steel plate, the upper layer of supporting assembly is arranged below the top connecting table, the lower layer of supporting assembly is arranged in the middle of the Y-shaped welded steel plate in the vertical direction, the structure is simple, the operation is convenient, the detection result is accurate, and the inclination detection of the steel pipe piles with different apertures is realized by adjusting the position of the guide sliding block in the vertical sliding rail; the infrared emitting device and the laser target placed at the pile top can detect the inclined positions and angles of different depths of the steel pipe pile in real time.
Description
The technical field is as follows:
the utility model belongs to the technical field of the construction of pile foundation, a steel-pipe pile hangs down straightness short-term test device is related to for detect steel-pipe pile incline direction and angle, produce the problem of slope in the steel-pipe pile construction of effectively solving different stake footpaths.
The background art comprises the following steps:
with the increase of the demand of infrastructure construction, the surrounding environment of urban infrastructure construction is more and more complex, and under the condition of complex surrounding environment, the construction difficulty is gradually increased, and the method is of great importance for deformation control of the foundation pit of the soft foundation. The steel pipe pile has the advantages of strong applicability, high bearing capacity, convenient construction, little influence on surrounding soil, short construction period, capability of avoiding large-area earthwork excavation and the like, and is widely used in the field of civil engineering. The traditional support construction cost is high, the steel pipe piles which are commonly used at sea and rare on land are used as the enclosing structures, deformation of the deep foundation pit can be effectively controlled, the safety of the foundation pit is improved, water can be effectively stopped, the utilization rate of steel is improved, and the purpose of energy-saving and consumption-reducing green construction is achieved.
In the construction process, due to the influence of geological conditions and the construction level of operators, the verticality of the steel pipe pile is not easy to control, the steel pipe pile is easy to deflect, the steel pipe pile is eccentrically pressed in practical application, and the ultimate bearing capacity of the steel pipe pile is far smaller than the designed bearing capacity, so that engineering accidents are caused. Therefore, the construction quality of the steel pipe pile, especially the verticality of the steel pipe pile, needs to be strictly controlled. At present, two common methods for detecting the perpendicularity of the steel pipe pile comprise a plumb bob hanging method and an inclinometer method, wherein the plumb bob hanging method is used for measuring the perpendicularity by adopting a plumb bob with a certain length, and the plumb bob can be placed into the inner side or the outer side of the steel pipe pile for measurement, but the method can only measure the perpendicularity of the part above the ground of the steel pipe pile and has lower measurement accuracy; the inclinometer method is to measure the inclination angle between the probe and the vertical line, but there is no groove for fixing the direction of the probe in the steel pipe pile, and it is difficult to keep the probe parallel to the depth direction of the steel pipe pile. For example, patent CN106592654A discloses a perpendicularity monitoring method for a steel pipe pile, which uses an inclinometer to perform perpendicularity detection, but a protection steel pipe for placing the inclinometer in the construction process cannot ensure parallel connection with the steel pipe pile, and the test result is not stable enough and is greatly influenced by the external environment. Therefore, a device for quickly detecting the verticality of the steel pipe piles with different pile diameters at any depth in real time is urgently needed to be designed.
The invention content is as follows:
the utility model discloses an invention aim at overcomes the shortcoming that prior art exists, designs to provide a steel-pipe pile straightness short-term test device that hangs down, can provide timely feedback for the steel-pipe pile real-time detection of different footpaths its slope position and the angle at the different degree of depth, for subsequent construction.
In order to achieve the purpose, the device for rapidly detecting the verticality of the steel pipe pile comprises an infrared emitting device, a hanging ring, a top connecting platform, a supporting arm, a sliding wheel, a guide sliding block, a vertical sliding rail, a supporting rod, a Y-shaped welding steel plate and a rotary stop bolt; the Y-shaped welding steel plate is formed by welding three steel plates, the included angle between every two adjacent steel plates is 120 degrees, the top end of the Y-shaped welding steel plate is welded at the middle position of the bottom of the top connecting table, an infrared emission device is fixedly installed in the middle of the top connecting table, the infrared emission device and the central point of the Y-shaped welding steel plate are on the same plumb line, and the two lifting rings are symmetrically welded at the two ends of the top connecting table; the vertical sliding rails are welded at the position, away from the outer side 1/3, of each steel plate in the Y-shaped welded steel plates, and two guide sliding blocks are arranged in each vertical sliding rail; an upper layer of supporting assembly and a lower layer of supporting assembly are erected around the Y-shaped welded steel plate, the upper layer of supporting assembly is arranged below the top connecting table, the lower layer of supporting assembly is arranged in the middle of the Y-shaped welded steel plate in the vertical direction, each layer of supporting assembly consists of three supporting arms and three supporting rods, one end of each supporting rod is connected to the middle of the corresponding supporting arm through a bolt, the other end of each supporting rod is connected with the corresponding guide sliding block through a rotation stopping bolt, and the guide sliding blocks are fixed at any positions in the vertical sliding rails through the rotation stopping bolts; the equal bolted connection of one end of every support arm is on the steel sheet of the Y type welding steel sheet that corresponds, and the other end is connected with slidable movable pulley.
As a further aspect of the present invention, the length, width, and height of each steel plate in the Y-shaped welded steel plate are 500mm, 100mm, and 3 mm.
As the utility model discloses a further technical scheme, the middle part of support arm adds the shear capacity of thick processing in order to improve the support arm, and the distolateral diameter of support arm is 3mm, and the mid portion diameter is 5mm, and two liang contained angles 120 of three support arm, the diameter of the brace rod is 2 mm.
As the utility model discloses a further technical scheme, the circular steel sheet of platform for diameter 100mm, thickness 3mm is connected at the top, and the internal diameter of rings is not less than 5mm, and the rope of being convenient for passes.
As a further technical scheme of the utility model, the length and the Y type welding steel sheet length of vertical slide rail, the width is 10 mm.
The utility model discloses set up two-layer supporting component all around at Y type welding steel sheet, the support arm of every layer has the same external diameter, make whole device remain throughout the steel-pipe pile straightness measuring in-process and coincide with the steel-pipe pile axis state, the angle of support arm is adjusted according to steel-pipe pile internal diameter size to direction slider in vertical slide rail and the vertical slide rail, and keep the lock-out state after adjusting the completion, infrared emission device transfers the in-process at the device and lasts work, upwards jet out the infrared ray, throw on the laser target that sets up at steel-pipe pile top, the laser target utilizes the total powerstation to put at the stake central point of design and puts, the slope position and the angle of steel-pipe pile are judged out according to the projection on the laser target.
Compared with the prior art, the utility model has the advantages of simple structure, convenient operation and accurate detection result, the sliding wheel additionally arranged at the tail end of the supporting arm enables the device to freely slide in the steel pipe pile, and the verticality detection of any position of the pile body can be realized; the inclination detection of the steel pipe piles with different apertures is realized by adjusting the positions of the guide sliders in the vertical slide rails, so that the method has strong applicability in engineering application; the infrared emitting device and the laser target placed at the pile top can detect the inclined positions and angles of different depths of the steel pipe pile in real time.
Drawings
FIG. 1 is the utility model discloses a steel-pipe pile hangs down straightness short-term test device's a section view of bowing.
Fig. 2 is an orthographic sectional view of the steel pipe pile perpendicularity rapid detection device of the present invention.
Fig. 3 is a front sectional view of the guide slider and the vertical slide rail of the present invention.
Fig. 4 is the utility model discloses a Y type welded steel plate spatial structure sketch map.
Fig. 5 is a schematic view of the laser target of the present invention.
In the figure: 1. an infrared emitting device; 2. a hoisting ring; 3. a top connection station; 4. a support arm; 5. a sliding wheel; 6. a guide slider; 7. a vertical slide rail; 8. a support bar; 9. welding a steel plate in a Y shape; 10. and stopping the bolt in a rotating mode.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments will be clearly and completely described below with reference to the drawings in the embodiments.
The embodiment is as follows:
the structure of the device for rapidly detecting the perpendicularity of the steel pipe pile in the embodiment is shown in fig. 1-4, components in the drawings can be arranged and designed in various different configurations, and the components comprise an infrared emission device 1, a lifting ring 2, a top connecting table 3, a supporting arm 4, a sliding wheel 5, a guide sliding block 6, a vertical sliding rail 7, a supporting rod 8, a Y-shaped welding steel plate 9 and a rotary stop bolt 10; the infrared emitting device 1 is fixed at the center of the upper side of the top connecting table 3, and the hanging rings 2 are fixed at two ends of the top connecting table 3; the upper side of a Y-shaped welding steel plate 9 is welded at the central position of the bottom surface of the top connecting table 3, the central points of the infrared emission device 1 and the Y-shaped welding steel plate 9 are on the same plumb line, one end of a supporting arm 4 is connected with the Y-shaped welding steel plate 9 through a bolt, the other end of the supporting arm is connected with a slidable sliding wheel 5, and the sliding wheel 5 is fixed on the outer side of the supporting arm 4 in a welding mode; in order to ensure that the device can slide in the vertical direction in the steel pipe pile, reduce the weight of the device and ensure the reliability of the device, the supporting arm 4 adopts a steel structure with two thin ends and a thick middle part, the diameter of the end side is 3mm, and the diameter of the middle part is 5 mm; the diameter of the supporting rod 8 is 2mm, and two ends of the supporting rod 8 are respectively connected with the thickening position in the middle of the supporting arm 4 and the guide sliding block 6; the supporting assembly consisting of the supporting arms 4 and the supporting rods 8 is provided with two layers along the axial direction of the Y-shaped welded steel plate 9, the first layer is arranged below the top connecting table 3, the second layer is arranged in the middle position of the Y-shaped welded steel plate 9 in the vertical direction, each group comprises three supporting arms 4 and three supporting rods 8 which form an included angle of 120 degrees with each other, and the outer diameter of each group can be kept unchanged all the time in the sinking process of the device, so that the device and the steel pipe pile are in a parallel state, and the reliability of verticality detection is ensured; the vertical slide rail 7 is arranged on the side face of the Y-shaped welded steel plate 9 in the vertical direction, the guide slide block 6 is located in the vertical slide rail 7 and can slide in the slide rail direction, the rotary stop bolt 10 is rotated according to the aperture of the steel pipe pile, the support arms 4 in all directions are enabled to have the same outer diameter, and the locking state is kept after the adjustment is completed.
The process for realizing the perpendicularity detection of the steel pipe pile in the embodiment specifically comprises the following steps:
(1) adjusting the upper and lower layers of supporting arms 4 and supporting rods 8 according to the aperture of the steel pipe pile, so that the included angles between the supporting arms 4 in three directions of each layer and the Y-shaped welded steel plate 9 are the same, and the infrared emission device 1 is ensured to be positioned at the central position of the steel pipe pile and the axis of the whole device is superposed with the axis of the steel pipe pile;
(2) slowly placing the whole device into the steel pipe pile, and placing the laser target shown in the figure 5 at the center of the drawing design pile when the top of the device is located below the pile top of the steel pipe pile so as to ensure that the center of the laser target is superposed with the center point of the drawing design pile;
(3) the device is continuously and slowly placed along the steel pipe pile, infrared rays are continuously emitted to the laser target by the infrared emission device 1 in the process, the distance of the actual center of the steel pipe pile deviating from the designed pile center and the inclination direction of the steel pipe pile at any depth can be obtained at any time by observing the mark on the laser target, the device is placed at the bottommost part of the steel pipe pile, the distance between the laser mark on the laser target and the center of the laser target is recorded, and the measured distance between the laser mark on the laser target and the center of the laser target and the length of the steel pipe pile are utilized to calculate the verticality deviation of the actual steel pipe pile; in actual engineering, if the verticality deviation of the steel pipe pile is larger than the maximum allowable value (1/100L, L is the length of the steel pipe pile), a jacking method (namely applying horizontal thrust on the pile top) can be adopted to reset the pile, the shallow (generally 2-3 m) pile can be used for righting the inclined reverse earthwork of the pile after excavating, the deep pile can be used for righting the inclined reverse earthwork of the pile after taking out the side soil by drilling soil taking, high-pressure water soil taking and other modes, the required horizontal thrust is reduced to the maximum extent, and then the small thrust is adopted to reset the deviated steel pipe pile.
Component structures, connections, and means of use not disclosed herein are all common in the art.
Claims (5)
1. A steel pipe pile perpendicularity rapid detection device is characterized by comprising an infrared emission device, a lifting ring, a top connecting table, a supporting arm, a sliding wheel, a guide sliding block, a vertical sliding rail, a supporting rod, a Y-shaped welding steel plate and a rotary stop bolt; the Y-shaped welding steel plate is formed by welding three steel plates, the included angle between every two adjacent steel plates is 120 degrees, the top end of each Y-shaped welding steel plate is welded at the middle position of the bottom of the top connecting table, an infrared transmitting device is fixedly installed in the middle of the top connecting table, the infrared transmitting device and the center point of each Y-shaped welding steel plate are located on the same plumb line, and the two hanging rings are symmetrically welded at the two ends of the top connecting table; the vertical sliding rails are welded at the position, away from the outer side 1/3, of each steel plate in the Y-shaped welded steel plates, and two guide sliding blocks are arranged in each vertical sliding rail; an upper layer of supporting assembly and a lower layer of supporting assembly are erected around the Y-shaped welded steel plate, the upper layer of supporting assembly is arranged below the top connecting table, the lower layer of supporting assembly is arranged in the middle of the Y-shaped welded steel plate in the vertical direction, each layer of supporting assembly consists of three supporting arms and three supporting rods, one end of each supporting rod is connected to the middle of the corresponding supporting arm through a bolt, the other end of each supporting rod is connected with the corresponding guide sliding block through a stopping bolt, and the guide sliding blocks are fixed at any positions in the vertical sliding rails through the stopping bolts; the equal bolted connection of one end of every support arm is on the steel sheet of the Y type welding steel sheet that corresponds, and the other end is connected with slidable movable pulley.
2. The device for rapidly detecting the perpendicularity of the steel pipe pile according to claim 1, wherein the length, the width and the height of each steel plate in the Y-shaped welded steel plates are respectively 500mm, 100mm and 3 mm.
3. The device for rapidly detecting the perpendicularity of the steel pipe pile according to claim 1, wherein the diameter of the end side of each support arm is 3mm, the diameter of the middle part of each support arm is 5mm, the included angle between every two support arms is 120 degrees, and the diameter of each support rod is 2 mm.
4. The device for rapidly detecting the verticality of the steel pipe pile according to claim 1, wherein the top connecting platform is a circular steel plate with the diameter of 100mm and the thickness of 3mm, and the inner diameter of the lifting ring is not less than 5 mm.
5. The device for rapidly detecting the verticality of the steel pipe pile according to claim 1, wherein the width of the length of the vertical slide rail and the length of the Y-shaped welded steel plate is 10 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220889823.4U CN217058723U (en) | 2022-04-18 | 2022-04-18 | Steel-pipe pile straightness short-term test device that hangs down |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220889823.4U CN217058723U (en) | 2022-04-18 | 2022-04-18 | Steel-pipe pile straightness short-term test device that hangs down |
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| Publication Number | Publication Date |
|---|---|
| CN217058723U true CN217058723U (en) | 2022-07-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220889823.4U Active CN217058723U (en) | 2022-04-18 | 2022-04-18 | Steel-pipe pile straightness short-term test device that hangs down |
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| Country | Link |
|---|---|
| CN (1) | CN217058723U (en) |
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- 2022-04-18 CN CN202220889823.4U patent/CN217058723U/en active Active
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