CN216973084U - Pre-buried bearing structure - Google Patents
Pre-buried bearing structure Download PDFInfo
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- CN216973084U CN216973084U CN202121456056.XU CN202121456056U CN216973084U CN 216973084 U CN216973084 U CN 216973084U CN 202121456056 U CN202121456056 U CN 202121456056U CN 216973084 U CN216973084 U CN 216973084U
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- embedded
- anchor
- hole
- bearing structure
- pier
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Abstract
The utility model belongs to the technical field of building construction, and discloses an embedded bearing structure which comprises an embedded sleeve, an anchor plate, a shear pin, an anchor bar and a fastener. The inserting portion of the shear pin penetrates through the second through hole in the anchor plate to be inserted into the embedded sleeve, the abutting portion abuts against the anchor plate, the third through hole, which penetrates through the shear pin, in each of two ends of the anchor bar extends out of the shear pin and is in threaded connection with the fastening piece, the two fastening pieces at the two ends of the anchor bar and the anchor bar form a counter-pulling structure, the abutting portion is pressed on the pier through the rotary fastening piece, and the fastening effect on the anchor plate is guaranteed. The embedded sleeve is embedded in the pier in the process of pouring the pier, and the two anchor plates are arranged at the two ends of the embedded sleeve, so that the condition that the force bearing effect of a subsequent stress structure is influenced due to inaccurate installation positions of the corresponding anchor plates at the two sides of the pier is avoided. And after the embedded bearing structure is used up, the anchor plate, the shear pin, the anchor bar and the fastener can be conveniently detached so as to be convenient for turnover use.
Description
Technical Field
The utility model relates to the technical field of building construction, in particular to an embedded bearing structure.
Background
In the bridge construction process, the bridge pier can be provided with a plurality of embedded parts serving as high-altitude temporary bearing structures, the embedded parts are in embedded plate anchor bar type, climbing cone type and straight thread sleeve type, and the problems that the corresponding anchor plate installation positions on two sides of the bridge pier are inaccurate and the embedded parts cannot be used in a turnover mode exist in the construction process.
Therefore, an embedded bearing structure is needed to solve the above problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an embedded bearing structure which has a good fastening effect on an anchor plate, is accurate in positioning of an installation position, does not need to be repositioned in the installation process, shortens the time required by installation and can be used in a turnover manner.
In order to achieve the purpose, the utility model adopts the following technical scheme:
an embedded bearing structure, comprising:
the embedded sleeve is embedded in the bridge pier and penetrates through the bridge pier, and is provided with a first through hole penetrating through the embedded sleeve along the length direction of the embedded sleeve;
the anchor plates are arranged at two ends of the embedded sleeve and are abutted against the pier, and second through holes are formed in the anchor plates and correspond to the embedded sleeve;
the shear pin is arranged at two ends of the embedded sleeve and comprises an inserting portion and an abutting portion, one end of the inserting portion penetrates through the second through hole and extends into the first through hole, the other end of the inserting portion is fixedly connected with the abutting portion, the abutting portion abuts against the end face, far away from the bridge pier, of the anchor plate, and the shear pin is provided with a third through hole penetrating through the inserting portion and the abutting portion along the length direction of the shear pin;
the anchor bar penetrates through the embedded sleeve, two ends of the anchor bar penetrate through the third through holes and are exposed out of one end, far away from the pier, of the abutting part, and threads are arranged on parts, extending out of the abutting part, of the two ends of the anchor bar;
the fastener, the both ends of dowel all are provided with the fastener, the fastener with the dowel spiro union, the fastener will butt portion pressfitting in on the pier.
Preferably, the fixing device further comprises a backing plate, the backing plate is arranged between the fastener and the abutting portion, a fourth through hole is formed in the backing plate, and the anchor bar penetrates through the fourth through hole.
Preferably, the number of the embedded sleeves is two, the anchor plate is provided with two second through holes at intervals, and the embedded sleeves and the second through holes are arranged in a one-to-one correspondence manner.
Preferably, the two embedded sleeves are arranged at the same height of the pier.
Preferably, the embedded sleeve extends into the second through hole, and the aperture of the second through hole is the same as the outer diameter of the embedded sleeve.
Preferably, the abutting portion abuts against the insert sleeve.
Preferably, the outer diameter of the fastening member is the same as the diameter of the third through hole.
Preferably, the anchor bars are screw steel.
Preferably, the fastener is a nut.
Preferably, the embedded sleeve is a PVC pipe.
The utility model has the beneficial effects that:
the utility model provides an embedded bearing structure which comprises an embedded sleeve, an anchor plate, a shear pin, an anchor bar and a fastener. The inserting portion of the shear pin penetrates through the second through hole in the anchor plate to be inserted into the embedded sleeve, the abutting portion abuts against the anchor plate, the third through hole, which penetrates through the shear pin, in each of two ends of the anchor bar extends out of the shear pin and is connected with the fastener in a threaded manner, the two fasteners at the two ends of the anchor bar and the anchor bar form a counter-pulling structure, the abutting portion is pressed on the pier through the rotary fastener, the fastening effect on the anchor plate is guaranteed, and the installation is simple and convenient. The embedded sleeve is embedded in the pier in the pouring process of the pier, the two anchor plates are arranged at two ends of the embedded sleeve, the anchor plates on two sides of the pier are arranged at two ends of the anchor bars and the embedded sleeve, and the anchor bars, the shear pins and the anchor plates do not need to be repositioned in the installation process, so that the installation time is shortened, and the condition that the force bearing effect of a follow-up stress structure is influenced due to inaccurate installation positions of the corresponding anchor plates on two sides of the pier is avoided. And after the embedded bearing structure is used up, the anchor plate, the shear pin, the anchor bar and the fastener can be conveniently detached so as to be convenient for turnover use.
Drawings
Fig. 1 is a schematic structural diagram of an embedded bearing structure provided in an embodiment of the present invention;
fig. 2 is a schematic structural diagram of an embedded casing according to an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of an anchor plate provided by an embodiment of the present invention;
FIG. 4 is a first schematic structural view of a shear pin provided in accordance with an embodiment of the present invention;
FIG. 5 is a second schematic structural view of a shear pin provided in accordance with an embodiment of the present invention;
fig. 6 is a schematic structural diagram of a backing plate according to an embodiment of the present invention.
In the figure:
1. pre-burying a sleeve; 11. a first through hole; 2. an anchor plate; 21. a second through hole;
3. a shear pin; 31. an insertion portion; 32. an abutting portion; 33. a third through hole;
4. anchoring ribs; 5. a fastener; 6. a base plate; 61. and a fourth via.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting of the utility model. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or may be connected through the use of two elements or the interaction of two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
In the description of the present embodiment, the terms "upper", "lower", "right", and the like are used in the orientation or positional relationship shown in the drawings only for convenience of description and simplicity of operation, and do not indicate or imply that the referred device or element 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 only for descriptive purposes and are not intended to have a special meaning.
As shown in fig. 1-5, the present embodiment provides an embedded bearing structure, which includes an embedded sleeve 1, an anchor plate 2, a shear pin 3, an anchor bar 4, and a fastener 5. The embedded sleeve 1 is embedded in the pier and runs through the pier, and the embedded sleeve 1 is provided with a first through hole 11 running through the embedded sleeve 1 along the length direction of the embedded sleeve 1. Both ends of the embedded sleeve 1 are provided with anchor plates 2, the anchor plates 2 are abutted to the bridge pier, second through holes 21 are formed in the anchor plates 2, and the second through holes 21 correspond to the embedded sleeve 1. Both ends of the embedded sleeve 1 are provided with shear pins 3, each shear pin 3 comprises an insertion portion 31 and an abutting portion 32, one end of each insertion portion 31 penetrates through the corresponding second through hole 21 and extends into the corresponding first through hole 11, the other end of each insertion portion is fixedly connected with the corresponding abutting portion 32, the abutting portions 32 abut against the end faces, far away from the bridge pier, of the anchor plates 2, and the shear pins 3 are provided with third through holes 33 which penetrate through the insertion portions 31 and the abutting portions 32 in the length direction. The anchor bars 4 penetrate through the embedded sleeve 1, two ends of the anchor bars 4 penetrate through the third through holes 33 and are exposed out of one end, far away from the pier, of the abutting portion 32, and threads are arranged on portions, extending out of the abutting portion 32, of the two ends of the anchor bars 4. Both ends of anchor bar 4 all are provided with fastener 5, and fastener 5 and anchor bar 4 spiro union, fastener 5 will butt portion 32 pressfitting on the pier.
The pre-buried load-bearing structure that this embodiment provided, the portion 31 of inserting of shear force round pin 3 passes second through-hole 21 on anchor slab 2 and inserts pre-buried sleeve 1 in, butt portion 32 and 2 butts of anchor slab, shear force round pin 3 and the 5 spiro union of fastener are stretched out to the third through-hole 33 that 4 both ends of dowel bar all passed shear force round pin 3, two fasteners 5 and the 4 formation of dowel bar 4 both ends are to drawing the structure, order about butt portion 32 through rotating fastener 5 and press-fit anchor slab 2 on the pier, guarantee the fastening effect to anchor slab 2. The embedded sleeve 1 is embedded in the pier in the pouring process of the pier, the two anchor plates 2 are installed at two ends of the embedded sleeve 1, the installation positions are accurately positioned, the anchor plates 2 on two sides of the pier are installed at two ends of the anchor bars 4 and the embedded sleeve 1, the anchor bars 4, the shear pins 3 and the anchor plates 2 do not need to be repositioned in the installation process, the installation time is shortened, and the condition that the load bearing effect of a follow-up stress structure is influenced due to inaccurate installation positions of the corresponding anchor plates 2 on two sides of the pier is avoided. And after the embedded bearing structure is used up, the anchor plate 2, the shear pin 3, the anchor bar 4 and the fastener 5 can be conveniently detached so as to be convenient for turnover use.
Optionally, as shown in fig. 1, the embedded sleeves 1 extend into the second through holes 21, and the apertures of the second through holes 21 are the same as the outer diameters of the embedded sleeves 1, so that after the anchor plates 2 are sleeved on the two embedded sleeves 1, the two embedded sleeves 1 can form stable support for the anchor plates 2, and the anchor plates 2 are prevented from shaking to change the positions of the anchor plates 2 during installation of the shear pins 3.
Optionally, the embedded sleeve 1 is a PVC pipe, and when the subsequent embedded bearing structure is removed after use, the PVC pipe extending out of the pier can be conveniently cut off. Preferably, the embedded sleeve 1 is a thick-wall hard PVC pipe, so that the embedded sleeve 1 is not deformed in the pouring process of the pier. In other embodiments, the pre-buried sleeve 1 may alternatively be a steel pipe.
Optionally, as shown in fig. 1 and fig. 3, two embedded sleeves 1 are provided, two second through holes 21 are provided at intervals on the anchor plate 2, and the embedded sleeves 1 and the second through holes 21 are provided in a one-to-one correspondence. Shear pins 3 in the two embedded sleeves 1 are matched to form stable support for the anchor plate 2, so that deflection of the anchor plate 2 when stressed is avoided. And the two embedded sleeves 1 are arranged at the same height of the pier, so that the supporting effect of the shear pin 3 on the anchor plate 2 is further ensured. In other embodiments, the number of the embedded sleeves 1 can be further increased according to the stress requirement, so as to ensure the bearing effect of the embedded bearing structure.
Optionally, as shown in fig. 1, the abutting portion 32 abuts against the embedded sleeve 1, specifically, after the anchor plate 2 is sleeved on the embedded sleeve 1, a portion of the embedded sleeve 1 extending out of the anchor plate 2 is cut off, so that the abutting portion 32 can smoothly abut against the anchor plate 2, and the embedded sleeve 1 is prevented from being crushed by the fastening shear pin 3 of the fastener 5.
Optionally, as shown in fig. 1, the outer diameter of the anchor bar 4 is the same as the aperture of the third through hole 33 on the shear pin 3, so that the anchor bar 4 can support the shear pin 3 after the shear pin 3 is sleeved on the anchor bar 4, and the force-bearing effect of the shear pin 3 is further improved. Preferably, the anchor bars 4 are screw-thread steel, the fasteners 5 are nuts, the shear pins 3 are fastened by matching the nuts with the screw-thread steel, the screw-thread steel is high in strength and low in cost, and the cost can be reduced while the force bearing effect of the pre-embedded force bearing structure is met.
Optionally, as shown in fig. 1 and 6, the embedded load-bearing structure provided in this embodiment further includes a backing plate 6, the backing plate 6 is disposed between the fastener 5 and the abutting portion 32, the backing plate 6 is provided with a fourth through hole 61, the anchor bar 4 passes through the fourth through hole 61, and the backing plate 6 is disposed to avoid direct contact between the fastener 5 and the abutting portion 32 of the shear pin 3, so that the fastening force of the fastener 5 to the abutting portion 32 is distributed uniformly, and the abutting portion 32 is prevented from being damaged.
It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention and are not intended to limit the embodiments of the present invention. Numerous obvious variations, adaptations and substitutions will occur to those skilled in the art without departing from the scope of the utility model. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (10)
1. A pre-buried bearing structure is characterized by comprising:
the embedded sleeve (1) is embedded in a bridge pier and penetrates through the bridge pier, and a first through hole (11) penetrating through the embedded sleeve (1) along the length direction of the embedded sleeve (1) is formed in the embedded sleeve (1);
the anchor plates (2) are arranged at two ends of the embedded sleeve (1), the anchor plates (2) are abutted against the pier, a second through hole (21) is formed in each anchor plate (2), and the second through holes (21) are arranged corresponding to the embedded sleeve (1);
the shear pin (3) is arranged at each of two ends of the embedded sleeve (1), the shear pin (3) comprises an insertion portion (31) and an abutting portion (32), one end of the insertion portion (31) penetrates through the second through hole (21) and extends into the first through hole (11), the other end of the insertion portion is fixedly connected with the abutting portion (32), the abutting portion (32) abuts against the end face, far away from the bridge pier, of the anchor plate (2), and the shear pin (3) is provided with a third through hole (33) penetrating through the insertion portion (31) and the abutting portion (32) along the length direction of the shear pin;
the anchor bars (4) penetrate through the embedded sleeve (1), two ends of each anchor bar (4) penetrate through the third through holes (33) and are exposed out of one end, far away from the pier, of the abutting part (32), and threads are arranged on parts, extending out of the abutting part (32), of the two ends of each anchor bar (4);
fastener (5), the both ends of dowel (4) all are provided with fastener (5), fastener (5) with dowel (4) spiro union, fastener (5) will butt portion (32) pressfitting in on the pier.
2. The embedded bearing structure of claim 1, further comprising a backing plate (6), wherein the backing plate (6) is arranged between the fastener (5) and the abutting part (32), a fourth through hole (61) is arranged on the backing plate (6), and the anchor bar (4) penetrates through the fourth through hole (61).
3. The embedded bearing structure of claim 1, wherein the number of the embedded sleeves (1) is two, the anchor plate (2) is provided with two second through holes (21) at intervals, and the embedded sleeves (1) and the second through holes (21) are arranged in a one-to-one correspondence manner.
4. The embedded bearing structure of claim 3, wherein the two embedded sleeves (1) are arranged at the same height of the pier.
5. The embedded bearing structure of claim 1, wherein the embedded sleeve (1) extends into the second through hole (21), and the aperture of the second through hole (21) is the same as the outer diameter of the embedded sleeve (1).
6. The pre-buried load-bearing structure according to claim 5, wherein the abutting part (32) abuts against the pre-buried sleeve (1).
7. The embedded bearing structure of claim 1, wherein the outer diameter of the fastener (5) is the same as the diameter of the third through hole (33).
8. The embedded bearing structure of claim 1, wherein the anchor bars (4) are deformed steel bars.
9. The pre-buried load-bearing structure of claim 1, wherein the fastener (5) is a nut.
10. The embedded bearing structure of claim 1, wherein the embedded sleeve (1) is a PVC pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121456056.XU CN216973084U (en) | 2021-06-29 | 2021-06-29 | Pre-buried bearing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121456056.XU CN216973084U (en) | 2021-06-29 | 2021-06-29 | Pre-buried bearing structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216973084U true CN216973084U (en) | 2022-07-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121456056.XU Active CN216973084U (en) | 2021-06-29 | 2021-06-29 | Pre-buried bearing structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216973084U (en) |
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2021
- 2021-06-29 CN CN202121456056.XU patent/CN216973084U/en active Active
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