CN218116425U - Anti-pulling end plate - Google Patents
Anti-pulling end plate Download PDFInfo
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- CN218116425U CN218116425U CN202222748786.8U CN202222748786U CN218116425U CN 218116425 U CN218116425 U CN 218116425U CN 202222748786 U CN202222748786 U CN 202222748786U CN 218116425 U CN218116425 U CN 218116425U
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- end plate
- joint
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- shape
- pulling
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- 230000000295 complement effect Effects 0.000 claims abstract description 12
- 229910000831 Steel Inorganic materials 0.000 claims description 19
- 239000010959 steel Substances 0.000 claims description 19
- 230000007246 mechanism Effects 0.000 claims description 6
- 230000002787 reinforcement Effects 0.000 claims description 6
- 238000010008 shearing Methods 0.000 description 4
- 238000003466 welding Methods 0.000 description 4
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 210000001503 joint Anatomy 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000012790 confirmation Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
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Abstract
The utility model provides an anti-pulling end plate, a serial communication port, include: the first end plate is fixedly connected with a concrete pile, one surface of the first end plate, which is connected with the second end plate, is a plane, a plurality of first clamping bulges and first clamping grooves are arranged at intervals, and the center lines of the first clamping bulges and the first clamping grooves in the length direction are mutually parallel; the second end plate is the plane with another concrete pile fixed connection's one side, with the one side of first end plate joint has the protruding and second joint recess of second joint that a plurality of intervals set up, the second joint protruding with the position of first joint recess corresponds and the shape is complementary to the cooperation joint, the second joint recess with the protruding position of first joint corresponds and the shape is complementary to the cooperation joint. The utility model discloses when being convenient for install, can improve the tensile and the shear strength of self.
Description
Technical Field
The utility model relates to a concrete pile technical field, specificly relate to an anti-pulling end plate.
Background
The construction process of the building tubular pile comprises the steps of pile fixing, pile driver positioning, pile inserting, pile sinking, pile splicing, pile sinking (pressing) again, pile sinking confirmation to reach the designed elevation, pile forming, and in the whole construction, when the upper section tubular pile is spliced with the lower section tubular pile, the upper section tubular pile needs to be fixed with end plates at two end parts of the lower section tubular pile. At present, the common pile connecting mode is to connect the upper and lower sections of pipe piles by welding on site, but the pull-out strength between the pipe piles which are connected by welding is weak.
In addition, some welding-free end plates are also available in the market, for example, chinese patent publication No. CN216339493U discloses a welding-free end plate structure of a bayonet-connected uplift pipe pile, and chinese patent publication No. CN205875134U discloses an uplift pipe pile end plate, in which an upper-section pipe pile is fixedly connected with end plates at two end portions of a lower-section pipe pile by means of bayonet connection, so that although the uplift strength between the pipe piles is improved, the shearing strength between the pipe piles is poor, and the operation of installing the bayonet is inconvenient.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art's defect, provide an anti-pulling end plate, including first end plate and the second end plate that is used for two tubular piles of joint, need not additionally to use the interlocking that the connecting piece can realize first end plate and second end plate to be connected, simple to operate can improve the tensile and the shear resistance of anti-pulling end plate self simultaneously.
In order to achieve the above objects and other objects, the present invention is achieved by the following technical solutions: provided is an anti-pulling end plate, characterized by comprising: the first end plate is fixedly connected with a concrete pile, one surface of the first end plate, which is connected with the second end plate, is a plane, a plurality of first clamping bulges and first clamping grooves are arranged at intervals, and the center lines of the first clamping bulges and the first clamping grooves in the length direction are mutually parallel; the second end plate is the plane with another concrete pile fixed connection's one side, with the one side of first end plate joint has the protruding and second joint recess of second joint that a plurality of intervals set up, the second joint protruding with the position of first joint recess corresponds and the shape is complementary to the cooperation joint, the second joint recess with the protruding position of first joint corresponds and the shape is complementary to the cooperation joint.
In one embodiment, a center line of the first clamping protrusion or the first clamping groove in the length direction in the middle passes through the center of the first end plate.
In an embodiment, the first clamping protrusion and the first clamping groove are both isosceles trapezoid in the shape of the main-view projection.
In one embodiment, the first clamping protrusion is complementary to the front projection of the first clamping groove.
In one embodiment, a plurality of tensioning reinforcing steel bar holes are respectively arranged on the first end plate and the second end plate, and the tensioning reinforcing steel bar holes comprise large holes and small holes which are communicated with each other.
In one embodiment, the first end plate and the second end plate are both square in outer contour projection shape.
In an embodiment, the first end plate and the second end plate are provided with chamfers on the outer contour.
In one embodiment, the first end plate and the second end plate are both circular in outer contour projection shape.
In an embodiment, the first end plate is provided with at least two first positioning grooves, the second end plate is correspondingly provided with at least two second positioning grooves, and the first positioning grooves are internally provided with a limiting and clamping mechanism.
In one embodiment, the limiting and clamping mechanism comprises a spring and a steel ball, the fixed end of the spring is arranged at the bottom of the first positioning groove, the movable end of the spring is connected with the steel ball, and the diameter of the steel ball is equal to that of the first positioning groove; when the spring is not compressed, the top of the steel ball is higher than the top of the first positioning groove.
The utility model can realize the rapid installation of the first end plate and the second end plate by arranging the first clamping protrusion and the second clamping groove which can be mutually clamped and the second clamping protrusion and the first clamping groove on the first end plate and the second end plate without using additional connecting parts for pile splicing operation; simultaneously, joint between first end plate and the second end plate is multiaspect interlock joint, has promoted the adhesive force of first end plate and second end plate can effectively improve pulling resistance and shear strength between first end plate and the second end plate.
Drawings
Fig. 1 shows a schematic view of a completed state of a concrete pile joined by a first embodiment of the present invention.
Fig. 2A is a schematic perspective view of a first end plate according to a first embodiment of the present invention.
Fig. 2B is a schematic top view of the first end plate according to the first embodiment of the present invention.
Fig. 2C is a front view of the first end plate according to the first embodiment of the present invention.
Fig. 3A is a schematic perspective view of a second end plate according to a first embodiment of the present invention.
Fig. 3B is a schematic top view of the second end plate according to the first embodiment of the present invention.
Fig. 3C is a schematic front view of the second end plate according to the first embodiment of the present invention.
Fig. 4 shows a schematic view of the state of the process when joining concrete piles using the first embodiment of the present invention.
Fig. 5 shows a schematic top view of a first end plate and a cross-sectional view of a first positioning groove according to a second embodiment of the present invention.
Detailed Description
Please refer to fig. 1 to 4. The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will be readily apparent to those skilled in the art from the disclosure herein. The present invention can also be implemented or applied through other different specific embodiments, and various details in the present specification can be modified or changed based on different viewpoints and applications without departing from the spirit of the present invention.
As shown in fig. 1, the present invention provides a uplift end plate 100, the uplift end plate 100 comprises a first end plate 110 and a second end plate 120, and the first end plate 110 and the second end plate 120 can be engaged with two concrete piles 200 after being matched and clamped. Specifically, the first end plate 110 is fixedly disposed on the lower end surface of one of the concrete piles 200, the second end plate 120 is fixedly disposed on the upper end surface of the other concrete pile 200, and the two concrete piles 200 are interlockingly connected together by the first end plate 110 and the second end plate 120.
As shown in fig. 2 and referring to fig. 1, the projection shape of the outer contour of the first end plate 110 is a square shape with four chamfers, and the chamfers are arranged to facilitate the butt joint of the first end plate 110 and the second end plate 120. First end plate 110 with concrete pile 200 fixed connection's one side is the plane, first end plate 110 with the one side of second end plate 120 joint has the protruding 111 of first joint and the first joint recess 112 of a plurality of intervals settings, just the length direction's of the protruding 111 of first joint and first joint recess 112 central line is parallel to each other.
Further, in order to relatively balance the pulling strength and the shearing strength formed after the first end plate 110 and the second end plate 120 are clamped, the central line of the length direction of the first clamping groove 112 (or the first clamping protrusion 111) located at the middle passes through the center of the first end plate 110. Fig. 2 shows an embodiment in which the center line of the first clamping groove 112 in the middle is coincident with the diagonal line of the first end plate 110, but this is not essential, and the center line of the first clamping groove 112 in the middle may be coincident with the center line of the first end plate 110.
Furthermore, the shapes of the front projection of the first clamping protrusion 111 and the first clamping groove 112 are both isosceles trapezoids. Further, the first clamping protrusion 111 is complementary to the front projection of the first clamping groove 112.
Further, a plurality of tension reinforcement holes 113 are formed in the first end plate 110, and although not shown, it will be understood by those skilled in the art that the tension reinforcement holes 113 include large holes and small holes which are communicated with each other. The first end plate 110 is fixedly mounted on the concrete 200 through the tension reinforcement holes 113.
As shown in fig. 3 and referring to fig. 1, the projection shape of the outer contour of the second end plate 120 is a square shape with four chamfers, and the chamfers are arranged to facilitate the butt joint of the second end plate 120 and the first end plate 110. One surface of the second end plate 120 fixedly connected with the concrete pile 200 is a plane, one surface of the second end plate 120 clamped with the first end plate 110 is provided with a plurality of second clamping protrusions 121 and second clamping grooves 122 which are arranged at intervals, the arrangement positions of the second clamping protrusions 121 correspond to the arrangement positions of the first clamping grooves 112, and the shapes of the second clamping protrusions 121 are complementary to the shapes of the first clamping grooves 112 so as to be clamped in a matching manner; the setting position of second joint recess 122 with the setting position of first joint arch 111 corresponds, just the shape of second joint recess 122 with the shape of first joint arch 111 is complementary to the cooperation joint. Specifically, the shapes of the front projection of the second clamping protrusion 121 and the front projection of the second clamping groove 122 are both isosceles trapezoids. Further, the first clamping protrusion 111 is complementary to the front projection shape of the first clamping groove 112.
Further, the second end plate 120 is provided with a plurality of tension steel holes 123, and although not shown in the drawings, it should be understood by those skilled in the art that the tension steel holes 123 include large holes and small holes which are communicated with each other. The second end plate 120 is fixedly installed on the concrete 200 through the tension reinforcement holes 123.
As shown in fig. 4, during pile splicing, first, all the second clamping protrusions 121 are simultaneously inserted into the corresponding first clamping grooves 112, and the first clamping protrusions 111 are also simultaneously inserted into the second clamping grooves 122, and then the second end plate 120 is pushed in the direction of the first clamping grooves 112 until the first end plate 110 and the second end plate 120 are completely aligned (as shown in fig. 1), so that the interlocking connection of the two concrete piles 200 is completed; finally, welding is performed on the outer sides of the first end plate 110 and the second end plate 120, so as to reinforce the connection between the first end plate 110 and the second end plate 120.
It should be noted that, although the projected outer contour shapes of the first end plate 110 and the second end plate 120 are shown as being square, this is not essential, and the projected outer contour shapes of the first end plate 110 and the second end plate 120 may be other shapes, such as a circle or a polygon, set according to the actual outer contour shape of the concrete pile 200 (which may be a solid square pile, a solid round pile, a round or square hollow square pile, or a hollow square pile) to be manufactured.
As shown in fig. 5, an embodiment in which the projection shape of the outer contour of the first end plate 110 is a circle is shown, and due to the characteristic of the circle having no corner, it is difficult to align the first end plate 110 and the second end plate (not shown in the figure) when the first end plate 110 and the second end plate are clamped, so that at least two first positioning grooves 114 may be formed on the first end plate 110, and at least two second positioning grooves may be correspondingly formed on the second end plate. A limiting and clamping mechanism 115 is arranged in the first positioning groove 114, the limiting and clamping mechanism 115 comprises a spring 1151 and steel balls 1152, the fixed end of the spring 1151 is arranged at the bottom of the first positioning groove 114, the movable end of the spring 1151 is connected with the steel balls 1152, and the diameter of each steel ball 1152 is equal to that of the first positioning groove 114. When the spring 1151 is not compressed, the tops of the steel balls 1152 are higher than the top of the first seating groove 114. Although not shown, those skilled in the art will readily appreciate that the second detent may be shaped to fit over the portion of the steel ball 1152 that is above the top of the first detent 114. After the first end plate 110 and the second end plate are clamped, the steel balls 1152 are firstly compressed into the first positioning groove 114, when the first positioning groove 114 with the steel balls 1152 is aligned with the positioning groove on the second end plate, the steel balls 1152 are ejected out for limiting, and when at least two first positioning grooves 114 with the steel balls 1152 are aligned with the positioning groove on the second end plate, the first end plate 110 and the second end plate are aligned.
In summary, by providing the first clamping protrusion 111 and the second clamping groove 122, and the second clamping protrusion 121 and the first clamping groove 112 on the first end plate 110 and the second end plate 120, which are clamped with each other, the multi-surface engagement of the first end plate 110 and the second end plate 120 can be realized, the pulling resistance and the shearing resistance between the first end plate 110 and the second end plate 120 can be improved, and the problem that the pulling resistance of the concrete pile 200 is insufficient by only connecting two concrete piles in a welding manner and the problem that the shearing resistance of the concrete pile 200 is insufficient by connecting two concrete piles in an external connecting member (a clamping pin or a pulling resistant bolt) can be effectively solved.
Therefore, the utility model effectively overcomes various defects in the prior art and has high industrial utilization value. The above embodiments are merely illustrative of the principles and effects of the present invention, and are not intended to limit the present invention. Any person skilled in the art can modify or change the above embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention shall be covered by the claims of the present invention.
Claims (10)
1. A pullout resistant end plate, comprising:
the first end plate is fixedly connected with a concrete pile, one surface of the first end plate, which is fixedly connected with the concrete pile, is a plane, one surface of the first end plate, which is clamped with the second end plate, is provided with a plurality of first clamping bulges and first clamping grooves which are arranged at intervals, and the central lines of the first clamping bulges and the first clamping grooves in the length direction are parallel to each other;
the second end plate is the plane with another concrete pile fixed connection's one side, with the one side of first end plate joint has the protruding and second joint recess of second joint that a plurality of intervals set up, the second joint protruding with the position of first joint recess corresponds and the shape is complementary to the cooperation joint, the second joint recess with the protruding position of first joint corresponds and the shape is complementary to the cooperation joint.
2. The anti-pulling end plate according to claim 1, wherein a center line of a length direction of the first clamping protrusion or the first clamping groove located in the middle passes through the center of the first end plate.
3. The anti-pulling end plate as claimed in claim 2, wherein the first clamping protrusion and the first clamping groove are both isosceles trapezoid in shape of the main view projection.
4. A tamper-resistant end plate according to claim 3, wherein the first snap-fit projection is complementary in shape to a front view projection of the first snap-fit recess.
5. The anti-pullout end plate of claim 4, wherein the first end plate and the second end plate are each provided with a plurality of tension reinforcement holes, and the tension reinforcement holes include large holes and small holes, and the large holes and the small holes are communicated with each other.
6. The anti-pullout end plate of claim 5, wherein the first end plate and the second end plate each have a square outer contour projection.
7. The anti-plucking end plate as described in claim 6, wherein said first end plate and said second end plate are each chamfered on the outer profile thereof.
8. The anti-pullout end plate of claim 5, wherein the first end plate and the second end plate are both circular in outer contour projection.
9. The anti-pulling end plate as claimed in claim 8, wherein the first end plate is provided with at least two first positioning grooves, the second end plate is correspondingly provided with at least two second positioning grooves, and a position-limiting clamping mechanism is disposed in the first positioning grooves.
10. The anti-pulling end plate according to claim 9, wherein the limiting and clamping mechanism comprises a spring and a steel ball, a fixed end of the spring is arranged at the bottom of the first positioning groove, a movable end of the spring is connected with the steel ball, and the diameter of the steel ball is equal to that of the first positioning groove; when the spring is not compressed, the top of the steel ball is higher than the top of the first positioning groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222748786.8U CN218116425U (en) | 2022-10-18 | 2022-10-18 | Anti-pulling end plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222748786.8U CN218116425U (en) | 2022-10-18 | 2022-10-18 | Anti-pulling end plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218116425U true CN218116425U (en) | 2022-12-23 |
Family
ID=84497622
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222748786.8U Active CN218116425U (en) | 2022-10-18 | 2022-10-18 | Anti-pulling end plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218116425U (en) |
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2022
- 2022-10-18 CN CN202222748786.8U patent/CN218116425U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240126 Address after: No. 1170, Inner Street, Jinsanjiao Tea Culture Street, No. 387-2 Yangquan West Road, Yicheng Street, Yixing City, Wuxi City, Jiangsu Province, 214299 Patentee after: Jiangsu Jiazhenghong New Materials Technology Co.,Ltd. Country or region after: China Address before: Room 3125, No. 312, Xinhua East Road, Dachang street, Jiangbei new area, Nanjing, Jiangsu 210044 Patentee before: Nanjing Ruiping Environmental Technology Co.,Ltd. Country or region before: China |