CN109098357B - Socket type protective layer cushion block - Google Patents
Socket type protective layer cushion block Download PDFInfo
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- CN109098357B CN109098357B CN201811245969.XA CN201811245969A CN109098357B CN 109098357 B CN109098357 B CN 109098357B CN 201811245969 A CN201811245969 A CN 201811245969A CN 109098357 B CN109098357 B CN 109098357B
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- Prior art keywords
- cushion block
- block
- steel bar
- slot
- bar accommodating
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- 239000011241 protective layer Substances 0.000 title claims abstract description 28
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 94
- 239000010959 steel Substances 0.000 claims abstract description 94
- 238000000926 separation method Methods 0.000 claims abstract description 14
- 125000006850 spacer group Chemical group 0.000 claims description 19
- 230000003014 reinforcing effect Effects 0.000 claims description 13
- 239000004567 concrete Substances 0.000 claims description 11
- 239000010410 layer Substances 0.000 claims description 7
- 238000003780 insertion Methods 0.000 claims description 4
- 230000037431 insertion Effects 0.000 claims description 4
- 238000009434 installation Methods 0.000 abstract description 6
- 241001391944 Commicarpus scandens Species 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000035882 stress Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 230000006355 external stress Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000011150 reinforced concrete Substances 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 229910001208 Crucible steel Inorganic materials 0.000 description 1
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
- E04C5/16—Auxiliary parts for reinforcements, e.g. connectors, spacers, stirrups
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Reinforcement Elements For Buildings (AREA)
- Sewage (AREA)
Abstract
The invention provides a socket type protective layer cushion block, which relates to the technical field of building products, and comprises a first cushion block and a second cushion block; the first cushion block is provided with a first slot and a first steel bar accommodating groove, the second cushion block is provided with a first insert block and a second steel bar accommodating groove, the first steel bar accommodating groove and the second steel bar accommodating groove can jointly form a steel bar accommodating cavity, and the first slot and the first insert block can move along the radial direction of the steel bar accommodating cavity to complete socket connection; after the steel bars are inserted into the steel bar accommodating cavity, the separation direction of the first steel bar accommodating groove and the second steel bar accommodating groove and the separation direction of the first slot and the first inserting block along the radial direction of the steel bar accommodating cavity form an included angle. The technical problems of complex installation or easy breakage and damage and small application range of the cushion block in the prior art are solved.
Description
Technical Field
The invention relates to the technical field of building products, in particular to a socket joint type protective layer cushion block.
Background
In the construction engineering, there are often cases where concrete needs to be poured, such as reinforced concrete protection layers, where the thickness of the reinforced concrete protection layers relates to the bearing capacity, durability, fire resistance and other properties of the structure, and if the protection layers are too thin, wet gas and water are easily permeated, cracks are easily generated if the protection layers are too thick, and these may cause the reinforcement to rust and expand, so that the concrete is damaged, and the use and the structural safety are affected. Because the cast steel bar and the outer template should keep a certain distance, a cushion block is bound between the steel bar and the outer template at intervals, and the steel bar and the outer template can be separated by a certain distance.
The cushion blocks in the prior art are generally concrete round cushion blocks and socket type plastic cushion blocks, but the concrete round cushion blocks are more complicated to install, workers must install the cushion blocks on transverse steel bars, and the steel bars can be bound after the positions are adjusted; the socket block end part of the socket type plastic cushion block is large in size, the socket type self-locking connection can be completed only along the axial movement of the cushion block, at the moment, the socket part is extremely easy to break at the socket opening, the stress structure is unreasonable, in addition, most of the provincial precast beam cushion blocks are not allowed to use the plastic cushion blocks, and the application range is small. Therefore, a novel cushion block with convenient installation, reasonable structure and wide application range is urgently needed.
Disclosure of Invention
The invention aims to provide a socket type protective layer cushion block so as to solve the technical problems that the cushion block in the prior art is complex in installation or easy to break and damage and has a small application range.
The invention provides a socket type protective layer cushion block, which comprises a first cushion block and a second cushion block;
the first cushion block is provided with a first slot and a first steel bar accommodating groove, the second cushion block is provided with a first inserting block and a second steel bar accommodating groove, the first steel bar accommodating groove and the second steel bar accommodating groove can jointly form a steel bar accommodating cavity, and the first slot and the first inserting block can move along the radial direction of the steel bar accommodating cavity to complete socket connection;
after the steel bars are inserted into the steel bar accommodating cavity, the separation direction of the first steel bar accommodating groove and the second steel bar accommodating groove forms an included angle with the separation direction of the first slot and the first inserting block along the radial direction of the steel bar accommodating cavity.
Further, the first cushion block is further provided with a second inserting block, and the second inserting block and the first inserting groove are respectively arranged at two sides of the first steel bar accommodating groove;
the second cushion block is further provided with a second slot which can be in socket connection with the second plug block, and the second slot and the first plug block are respectively arranged on two sides of the second steel bar accommodating groove.
Further, the first insert block and the second insert block have the same size and shape, the first slot and the second slot have the same size and shape, and the cross section of the first slot and the cross section of the second slot are arc-shaped.
Further, when the first slot and the first insert block are in socket connection with each other, and the second slot and the second insert block are in socket connection with each other, the outer contours of the first cushion block and the second cushion block are in a cylindrical shape, the side surfaces of the first cushion block and the second cushion block all comprise cambered surfaces, and the thicknesses of the first cushion block and the second cushion block at the cambered surfaces are d 1 。
Further, the method comprises the steps of,the side surface of the first cushion block further comprises a plane, the plane is positioned at one side of the first steel bar accommodating groove facing the first slot, and the maximum thickness of the first cushion block at the plane is d 1 A minimum thickness d 2 ，d 2 <d 1 ；
And/or the side surface of the second cushion block further comprises a plane, the plane is positioned at one side of the second steel bar accommodating groove facing the first insertion block, and the maximum thickness of the first cushion block at the plane is d 1 A minimum thickness d 3 ，d 3 <d 1 。
Further, d 2 ＝d 3 And 3/4d 2 ≤d 1 ≤7/8d 2 ；
Alternatively, d 2 ＝d 3 And d 2 ＝5/6d 1 。
Further, the heights of the first cushion block and the second cushion block are d 4 ，d 4 ＝1/2d 1 And d is more than or equal to 1cm 4 ≤2cm。
Further, the diameter of the steel bar accommodating cavity is d 5 The diameter of the steel bar is d 6 ，d 5 ＝d 6 +1mm。
Further, the second cushion block is provided with a reference surface of the first plug block, which is intersected with the surface of the end face of the head of the first plug block, and the included angle is 25-60 degrees;
or the second cushion block is provided with a reference surface of the first plug block, which is intersected with the surface of the end face of the head of the first plug block, and the included angle is 40 degrees.
Further, the first cushion block and the second cushion block are made of concrete;
alternatively, the first and second pads are made of plastic.
Compared with the prior art, the socket type protective layer cushion block provided by the invention has the following beneficial effects:
the socket joint type protective layer cushion block comprises a first cushion block and a second cushion block, wherein a first steel bar accommodating groove on the first cushion block and a second steel bar accommodating groove on the second cushion block can be mutually buckled to form a steel bar accommodating cavity with a circular section, a first slot penetrates through two side surfaces of the first cushion block, and a first inserting block on the second cushion block can move along the axial direction of the steel bar accommodating cavity to complete socket joint with the first slot; meanwhile, the first insert block can also move along the radial direction of the steel bar accommodating cavity to complete socket connection with the first slot, and at the moment, the whole formed by the first cushion block and the second cushion block is a protective layer relative to the thickness of the steel bar accommodating cavity.
When the steel bar accommodating cavity is installed, the steel bars can be bound firstly, then the first slot and the first insert block axially move along the steel bar accommodating cavity to complete socket connection, and the steel bars are just positioned in the formed steel bar accommodating cavity, so that the installation is simple and convenient; at the moment, the self-locking of the first cushion block and the second cushion block can be completed only by ensuring that the separation direction of the first steel bar accommodating groove and the second steel bar accommodating groove is different from the separation direction of the first slot and the first insert block along the radial direction of the steel bar accommodating cavity, the cross section size from the root part to the head part of the first insert block can be gradually reduced, the stress structure of the first slot is more reasonable, and the socket part is not easy to break due to external stress at the socket port position, so that the service life is long; in addition, the first cushion block and the second cushion block which adopt the socket joint type can be made of concrete, and the application range is wider.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present invention, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a pad of a socket protective layer according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a first spacer block of the socket protective layer spacer blocks according to the embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a second spacer block of the socket protective layer spacer blocks according to the embodiment of the present invention;
fig. 4 is a schematic diagram of another structure of a second spacer in the socket protective layer spacer according to an embodiment of the present invention.
Icon: 1-a first cushion block; 2-a second cushion block; 3-a steel bar accommodating cavity; 11-a first slot; 12-a first steel bar accommodating groove; 13-a second plug; 21-a first plug; 22-a second steel bar accommodating groove; 23-a second slot.
Detailed Description
The following description of the embodiments of the present invention will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the invention are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
As shown in fig. 1 to 4, an embodiment of the present invention provides a socket type protective layer pad, which includes a first pad 1 and a second pad 2; the first cushion block 1 is provided with a first slot 11 and a first steel bar accommodating groove 12, the second cushion block 2 is provided with a first insert block 21 and a second steel bar accommodating groove 22, the first steel bar accommodating groove 12 and the second steel bar accommodating groove 22 can jointly form a steel bar accommodating cavity 3, and the first slot 11 and the first insert block 21 can radially move along the steel bar accommodating cavity 3 to complete socket connection; after the steel bars are inserted into the steel bar accommodating cavity 3, the separation direction of the first steel bar accommodating groove 12 and the second steel bar accommodating groove 22 and the radial separation direction of the first slot 11 and the first insert block 21 along the steel bar accommodating cavity 3 form an included angle.
The socket joint type protective layer cushion block provided by the embodiment of the invention comprises a first cushion block 1 and a second cushion block 2, wherein a first steel bar accommodating groove 12 on the first cushion block 1 and a second steel bar accommodating groove 22 on the second cushion block 2 can be mutually buckled to form a steel bar accommodating cavity 3 with a circular section, a first slot 11 penetrates through two side surfaces of the first cushion block 1, and a first insert block 21 on the second cushion block 2 can move along the axial direction of the steel bar accommodating cavity 3 to complete socket joint with the first slot 11; meanwhile, the first insert 21 can also move along the radial direction of the steel bar accommodating cavity 3 to complete the socket connection with the first slot 11, and at this time, the whole formed by the first cushion block 1 and the second cushion block 2 is a protective layer relative to the thickness of the steel bar accommodating cavity 3.
When in installation, the steel bars can be bound firstly, then the first slot 11 and the first insert block 21 move axially along the steel bar accommodating cavity 3 to complete socket connection, and the steel bars are positioned in the formed steel bar accommodating cavity 3 at the moment, so that the installation is simple and convenient; at this time, the self-locking of the first cushion block 1 and the second cushion block 2 can be completed only by ensuring that the separation direction of the first steel bar accommodating groove 12 and the second steel bar accommodating groove is different from the radial separation direction of the first slot 11 and the first inserting block 21 along the steel bar accommodating cavity 3, the cross section size from the root part to the head part of the first inserting block 21 can be gradually reduced, the stress structure of the first slot 11 is more reasonable, and the inserting part is not easy to break due to external stress at the position of the slot opening, so that the service life is long; in addition, the first cushion block 1 and the second cushion block 2 which adopt the socket joint type can be made of concrete, and the application range is wider.
It should be noted that, as shown in fig. 4, only one set of the first slots 11 and the first insert blocks 21 are provided in this embodiment, and self-locking after the socket protection layer cushion block is inserted into the reinforcing steel bar can be satisfied.
Specifically, the specific structure of the socket protective layer pad block is described in detail in this embodiment.
First, in this embodiment, the first cushion block 1 is further provided with a second insert 13, the second insert 13 and the first insert 11 are separately disposed on two sides of the first steel bar accommodating groove 12, the second cushion block 2 is further provided with a second insert 23 capable of being connected with the second insert 13 in a socket connection manner, and the second insert 23 and the first insert 21 are separately disposed on two sides of the second steel bar accommodating groove 22.
Specifically, through first inserted block 21 and second inserted block 13 simultaneously respectively with first slot 11 and second slot 23 socket connection, receive the external force action, the supporting part of reinforcing bar holding chamber 3 both sides bears jointly, and the cushion overall structure that first cushion 1 and second cushion 2 formed is more stable, has further reduced the emergence of first inserted block 21 and the fracture condition of second inserted block 13.
Further, in this embodiment, the first insert block 21 and the second insert block 13 have the same size and shape, the first slot 11 and the second slot 23 have the same size and shape, and the cross-sectional shapes of the first slot 11 and the second slot 23 are arc-shaped.
Specifically, the slot is mutually attached and contacted after the socket is matched with the insert, and the edges and corners of the first insert 21 and the second insert 13 are rounded, so that when the self-locking of the first cushion block 1 and the second cushion block 2 is completed, the side surfaces of the first insert 21 and the second insert 13 bear external acting force together, and the stability of the overall structure of the cushion block is further ensured.
In this embodiment, when the first slot 11 and the first insert 21 are in socket connection with each other, and the second slot 23 and the second insert 13 are in socket connection with each other, the outer contours of the first cushion block 1 and the second cushion block 2 are in cylindrical shapes, the side surfaces of the first cushion block 1 and the second cushion block 2 each include an arc surface, and the thicknesses of the first cushion block 1 and the second cushion block 2 at the arc surfaces are d 1 。
Specifically, as shown in fig. 1-3, in this embodiment, the side surfaces of the first cushion block 1 and the second cushion block 2 may be cambered surfaces, and the formed cushion block is integrally cylindrical, and at this time, the thicknesses of all positions of the cushion block are the same, that is, the thicknesses of the protective layers are the same, so that the functions of the cushion block are ensured.
Notably, here the thickness d 1 Refers to the wall thickness of the hollow cylinder.
Alternatively, in this embodiment, the side surface of the first spacer block 1 may further include a plane, where the plane is located at a side of the first reinforcement receiving groove 12 facing the first insertion groove 11, and the maximum thickness of the first spacer block 1 at the plane is d 1 A minimum thickness d 2 ，d 2 <d 1 ；
And/or the side surface of the second cushion block 2 further comprises a plane, the plane is positioned on one side of the second steel bar accommodating groove 22 facing the first insertion block 21, and the maximum thickness of the first cushion block 1 at the plane is d 1 A minimum thickness d 3 ，d 3 <d 1 。
Specifically, a part is cut off along the axial direction of the cylinder on the basis of the cylinder, and the part can be cut off only one or both of the first cushion block 1 and the second cushion block 2; at this moment, after the cushion of auto-lock wears to establish on the reinforcing bar, under the effect of gravity, the plane is located the holistic top of cushion, is that the thickest one side that is favorable to the atress of first cushion 1 and second cushion 2 self thickness and the external bolster butt, even if the cushion breaks in unfavorable position, the side direction atress also can guarantee that the atress position continues to support the template reinforcing bar.
In order to ensure the stability of the structure of the receiving place, the embodiment is provided with d 2 ＝d 3 And 3/4d 2 ≤d 1 ≤7/8d 2 ；
Preferably, the present embodiment provides d 2 ＝d 3 And d 2 ＝5/6d 1 。
Further, in this embodiment, the heights of the first cushion block 1 and the second cushion block 2 are d 4 ，d 4 ＝1/2d 1 And d is more than or equal to 1cm 4 ≤2cm。
Further, in this embodiment, the diameter of the steel bar accommodating cavity 3 is d 5 The diameter of the steel bar is d 6 ，d 5 ＝d 6 +1mm。
Firstly, the steel bars are in clearance fit with the steel bar accommodating cavity 3 so as to ensure that the first cushion block 1 and the second cushion block 2 can automatically rotate under the action of gravity to enable the notch part to be upwards arranged; meanwhile, the gap between the steel bar and the steel bar accommodating cavity 3 is not too large to influence the self-locking of the first cushion block 1 and the second cushion block 2.
In this embodiment, as shown in fig. 4, the reference surface of the second cushion block 2 provided with the first insert block 21 intersects with the surface where the end face of the head of the first insert block 21 is located, and the included angle is 25 ° -60 °;
specifically, the larger the included angle between the two faces is, the larger the length of the first insert block 21 protruding out of the reference surface of the first cushion block 1 is, at this time, although the self-locking stability can be further ensured, the first insert block 21 is easier to break at the same time.
Preferably, in order to ensure the stability of the overall structure of the cushion block after receiving, in this embodiment, the second cushion block 2 is provided with a reference surface of the first insert block 21 intersecting with a surface where the end surface of the head of the first insert block 21 is located, and an included angle is 40 °.
Notably, in this embodiment, the reference surface of the second cushion block 2 provided with the first insert block 21 and the reference surface of the first cushion block 1 provided with the first slot 11 refer to surfaces that are mutually in contact with each other in the bearing fit; the first steel bar accommodating groove 12 and the second steel bar accommodating groove 22 are semicircular grooves, and the surface of the end face of the head of the first plug block 21 coincides with the center line of the semicircular grooves.
Further, the shapes of the first insert block 21 and the second insert block 13 can meet the requirement of concrete manufacturing, so in this embodiment, the first cushion block 1 and the second cushion block 2 can be made of concrete, and the socket type protective layer cushion block at this time can meet the use standard of precast beam construction of all provinces.
Or, in a specific province, the first cushion block 1 and the second cushion block 2 can be also made of plastic, and at this time, compared with the concrete material, the socket protective layer cushion block made of the plastic material has higher strength, and the socket opening is less prone to fracture.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and not for limiting the same; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the invention.
Furthermore, those skilled in the art will appreciate that while some embodiments described herein include some features but not others included in other embodiments, combinations of features of different embodiments are meant to be within the scope of the invention and form different embodiments. For example, in the claims below, any of the claimed embodiments may be used in any combination. The information disclosed in this background section is only for enhancement of understanding of the general background of the invention and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art already known to a person skilled in the art.
Claims (10)
1. The socket type protective layer cushion block is characterized by comprising a first cushion block and a second cushion block;
the first cushion block is provided with a first slot and a first steel bar accommodating groove, the second cushion block is provided with a first inserting block and a second steel bar accommodating groove, the first steel bar accommodating groove and the second steel bar accommodating groove can jointly form a steel bar accommodating cavity, and the first slot and the first inserting block can move along the radial direction of the steel bar accommodating cavity to complete socket connection;
after the reinforcing bar is inserted into the reinforcing bar holding cavity, the separation direction of first reinforcing bar holding groove with the second reinforcing bar holding groove with first slot with first inserted block is followed the radial separation direction of reinforcing bar holding cavity becomes the contained angle setting, the reinforcing bar is located when the reinforcing bar holding intracavity, guarantees first reinforcing bar holding groove with the separation direction of second reinforcing bar holding groove with first slot with first inserted block is followed the radial separation direction of reinforcing bar holding cavity is different, can accomplish first cushion with the auto-lock of second cushion.
2. The socket joint formula protective layer cushion block according to claim 1, wherein the first cushion block is further provided with a second insert block, and the second insert block and the first insert groove are respectively arranged at two sides of the first steel bar accommodating groove;
the second cushion block is further provided with a second slot which can be in socket connection with the second plug block, and the second slot and the first plug block are respectively arranged on two sides of the second steel bar accommodating groove.
3. The socket protection layer pad of claim 2, wherein the first insert and the second insert are the same size and shape, the first slot and the second slot are the same size and shape, and the cross-sectional shape of the first slot and the second slot is an arc.
4. The socket type protective layer cushion block according to claim 2, wherein when the first slot and the first insert block are in socket connection with each other, the second slot and the second insert block are in socket connection with each other, the outer contours of the first cushion block and the second cushion block are in a cylindrical shape, the side surfaces of the first cushion block and the second cushion block both comprise cambered surfaces, and the thicknesses of the first cushion block and the second cushion block at the cambered surfaces are d 1 。
5. The socket protective layer spacer of claim 4, wherein the side of the first spacer further comprises a planar surface positioned on a side of the first rebar receiving channel facing the first slot, the first spacer having a maximum thickness d at the planar surface 1 A minimum thickness d 2 ，d 2 <d 1 ；
And/or the side surface of the second cushion block further comprises a plane, the plane is positioned at one side of the second steel bar accommodating groove facing the first insertion block, and the maximum thickness of the first cushion block at the plane is d 1 A minimum thickness d 3 ，d 3 <d 1 。
6. The socket protective layer spacer of claim 5, wherein d 2 ＝d 3 And 3/4d 2 ≤d 1 ≤7/8d 2 ；
Alternatively, d 2 ＝d 3 And d 2 ＝5/6d 1 。
7. The socket protective layer spacer of claim 4, wherein the first spacer and the second spacer are each of a height d 4 ，d 4 ＝1/2d 1 And d is more than or equal to 1cm 4 ≤2cm。
8. The socket protection layer spacer of claim 1, wherein the diameter of the rebar receiving cavity is d 5 The diameter of the steel bar is d 6 ，d 5 ＝d 6 +1mm。
9. The socket protective layer cushion block according to claim 1, wherein the second cushion block is provided with a reference surface of the first plug block intersecting a surface of the first plug block head end surface and having an included angle of 25 ° -60 °;
or the second cushion block is provided with a reference surface of the first plug block, which is intersected with the surface of the end face of the head of the first plug block, and the included angle is 40 degrees.
10. The socket protective layer spacer of any one of claims 1-9, wherein the first spacer and the second spacer are made of concrete;
alternatively, the first and second pads are made of plastic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811245969.XA CN109098357B (en) | 2018-10-23 | 2018-10-23 | Socket type protective layer cushion block |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811245969.XA CN109098357B (en) | 2018-10-23 | 2018-10-23 | Socket type protective layer cushion block |
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| Publication Number | Publication Date |
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| CN109098357A CN109098357A (en) | 2018-12-28 |
| CN109098357B true CN109098357B (en) | 2024-03-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811245969.XA Active CN109098357B (en) | 2018-10-23 | 2018-10-23 | Socket type protective layer cushion block |
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| CN (1) | CN109098357B (en) |
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| KR200280065Y1 (en) * | 2002-04-08 | 2002-06-27 | 김용근 | Reinforcing bar coupler |
| JP2005207029A (en) * | 2004-01-20 | 2005-08-04 | Ishikawajima Constr Materials Co Ltd | Reinforcement spacer |
| CN2764857Y (en) * | 2005-02-28 | 2006-03-15 | 丹阳蓝客金刚石精密刀具有限公司 | Fracture-proof flat mounted snap-close type floor jointing piece and floor jointed by the same |
| CN205134753U (en) * | 2015-11-02 | 2016-04-06 | 梁宝 | Concrete protective layer cushion block for reinforced steel bar |
| US9869092B1 (en) * | 2017-02-08 | 2018-01-16 | Michael G. RUSH | Adjustable rebar positioning device |
| CN207469094U (en) * | 2017-07-12 | 2018-06-08 | 山西省交通科学研究院 | A kind of cushion block of concrete bar protective layer for bridge web rapid construction |
| CN107938948A (en) * | 2017-12-25 | 2018-04-20 | 山东省建筑科学研究院 | A kind of spigot-type circle protective layer cushion block |
| CN108086600A (en) * | 2017-12-25 | 2018-05-29 | 山东省建筑科学研究院 | A kind of square protective layer cushion block of spigot-type |
| CN208981652U (en) * | 2018-10-23 | 2019-06-14 | 中交一公局海威工程建设有限公司 | Spigot-and-socket protective layer cushion block |
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| Publication number | Publication date |
|---|---|
| CN109098357A (en) | 2018-12-28 |
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