CN217733788U - Novel shear key of cylinder mound - Google Patents
Novel shear key of cylinder mound Download PDFInfo
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- CN217733788U CN217733788U CN202221946118.XU CN202221946118U CN217733788U CN 217733788 U CN217733788 U CN 217733788U CN 202221946118 U CN202221946118 U CN 202221946118U CN 217733788 U CN217733788 U CN 217733788U
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Abstract
The utility model relates to a novel shear force key of cylinder mound uses in the field of pier construction, and it includes the shear force key body, run through on the shear force key body and be equipped with the through-hole that is used for supplying the core screw rod to pass, the one end of shear force key body is installed in the cylinder mound that is used for the construction, the other end of shear force key body is installed in the half shroud ring that is used for setting up interim bracket. This application has the stress surface that can increase feed-through screw rod and cylinder mound and half shroud hoop, reduces the effect of the pressure that the contact surface of feed-through screw rod and cylinder mound and half shroud hoop bore.
Description
Technical Field
The utility model belongs to the technical field of pier construction and specifically relates to a novel shear force key of cylinder mound is related to.
Background
In the bridge construction process, a site constructor needs to set up a large-scale bearing temporary bracket on a cylindrical pier of a bridge so as to meet the construction operation requirement, ensure the continuous construction of an engineering operation surface, and simultaneously can play a role in protecting the constructor and ensure the personal safety of the constructor.
In the related art, a core-through screw and a half-hoop are usually used as main bearing members of the temporary bracket, that is, the core-through screw is inserted into the cylindrical pier, the two ends of the core-through screw extending out of the cylindrical pier are sleeved with the half-hoops, and then the half-hoops are hooped to the cylindrical pier, so that the half-hoops firmly embrace the cylindrical pier, and the temporary bracket can be used as a bearing member to erect the temporary bracket.
In view of the above-mentioned related technologies, the inventor thinks that the stress surface with the cylindrical pier and the half hoop is small due to the small diameter of the core-through screw, so the pressure born by the contact surface of the core-through screw with the cylindrical pier and the half hoop is large, and the cylindrical pier, the half hoop and the core-through screw are easily damaged.
SUMMERY OF THE UTILITY MODEL
Less in order to improve the diameter of threading screw, the pressure that the contact surface of threading screw and cylinder mound and half package hoop bore is great, easily makes cylinder mound, half package hoop and the problem that the damage appears in the threading screw, and this application provides a novel shear force key of cylinder mound.
The application provides a novel shear force key of cylinder mound adopts following technical scheme:
the utility model provides a novel shear force key of cylinder mound, includes the shear force key body, run through on the shear force key body and be equipped with the through-hole that is used for supplying the core screw rod to pass, the one end of shear force key body is installed in the cylinder mound that is used for the construction, the other end of shear force key body is installed in the half hoop that is used for setting up interim bracket.
Through adopting above-mentioned technical scheme, the diameter of shear force key body is greater than the diameter of core-through screw, installs shear force key body one end in the cylinder mound, and the other end is installed in half shroud ring, consequently, can increase the stress surface of core-through screw rod and cylinder mound and half shroud ring to reduce the pressure that the contact surface of core-through screw rod and cylinder mound and half shroud ring bore, make cylinder mound, half shroud ring and core-through screw rod be difficult for appearing the damage.
Optionally, the shear key body includes first connecting portion and second connecting portion, first connecting portion with the second connecting portion link to each other, first connecting portion are installed in being used for setting up the half shroud ring of interim bracket, the second connecting portion are installed in being used for the cylinder mound of construction.
By adopting the technical scheme, the first connecting part is arranged in the half-wrapped hoop, so that the stress surface of the core penetrating screw and the half-wrapped hoop can be increased, and the pressure born by the contact surface of the core penetrating screw and the half-wrapped hoop is reduced; the second connecting portion are installed in the cylinder mound, can increase the stress surface of core-penetrating screw rod and cylinder mound, reduce the pressure that the contact surface of core-penetrating screw rod and cylinder mound bore.
Optionally, the diameter of the first connecting portion is smaller than the diameter of the second connecting portion.
Through adopting above-mentioned technical scheme, the condition of being absorbed in half shroud ring can not appear when installing in half shroud ring to make the shear force key body be fixed in the contact surface department of cylinder mound and half shroud ring, so that the shear force key body can play the effect that reduces the pressure that the contact surface of wearing core screw rod and cylinder mound and half shroud ring bore better.
Optionally, the first connecting portion is of a cylindrical structure, and the second connecting portion is of a truncated cone-shaped structure; the diameter of the second connecting portion gradually becomes larger toward the first connecting portion.
Through adopting above-mentioned technical scheme, can set up the hole with second connecting portion shape looks adaptation on the cylinder mound to be convenient for the installation and the dismantlement of whole shear force key body.
Optionally, a pair of shear assemblies is arranged at a joint of the first connecting portion and the second connecting portion, the pair of shear assemblies are arranged oppositely, and the shear assemblies are used for improving the shear capacity at the joint of the first connecting portion and the second connecting portion.
Through adopting above-mentioned technical scheme, the subassembly that shears can promote the ability of shearing of the junction of first connecting portion and second connecting portion, makes the difficult condition because of the fracture of atress greatly appear in the junction of first connecting portion and second connecting portion.
Optionally, the shearing resistant assembly includes a first fixing plate, a second fixing plate, a shearing resistant plate disposed between the first fixing plate and the second fixing plate, and a plurality of fixing bolts, the first fixing plate is fixed to the first connecting portion through the fixing bolts, and the second fixing plate is fixed to the second connecting portion through the fixing bolts.
By adopting the technical scheme, the first shear resisting plate, the second shear resisting plate and the fixing bolt are fixed at the joint of the first connecting part and the second connecting part, so that the shear resisting plate can enhance the structural strength of the joint of the first connecting part and the second connecting part and can also improve the shear resisting capability of the joint of the first connecting part and the second connecting part.
Optionally, integrated into one piece is equipped with the location bead on the lateral wall of first connecting portion for set up temporary bracket half on the hoop be equipped with the location breach of location bead looks adaptation.
Through adopting above-mentioned technical scheme, location bead is after the location breach is inserted in the adaptation, and a pair of subassembly that shears this moment is located same vertical line to make the subassembly that shears can play the effect that shears better.
Optionally, the end face and the conical surface of the second connecting portion are both provided with buffer layers.
Through adopting above-mentioned technical scheme, the buffer layer can play the guard action to the second connecting portion, and the second connecting portion receive because of supporting tightly in the cylinder mound when reducing half hoop to tighten to the life of extension shear force key body.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the diameter of the shear key body is larger than that of the core penetrating screw rod, one end of the shear key body is arranged in the cylindrical pier, and the other end of the shear key body is arranged in the semi-hooped hoop, so that the stress surfaces of the core penetrating screw rod, the cylindrical pier and the semi-hooped hoop can be increased, the pressure born by the contact surfaces of the core penetrating screw rod, the cylindrical pier and the semi-hooped hoop is reduced, and the cylindrical pier, the semi-hooped hoop and the core penetrating screw rod are not easy to damage;
2. the diameter of the first connecting part is set to be smaller than that of the second connecting part, so that the shear key body cannot sink into the semi-hoops when being installed on the semi-hoops, and the shear key body is fixed on the contact surface of the cylindrical pier and the semi-hoops, so that the shear key body can better play a role in reducing the pressure intensity born by the contact surface of the core-penetrating screw, the cylindrical pier and the semi-hoops;
3. the shearing resistant assembly can improve the shearing resistant capability of the joint of the first connecting part and the second connecting part, so that the joint of the first connecting part and the second connecting part is not easy to break due to overlarge stress.
Drawings
Fig. 1 is a schematic view of a cylindrical pier on which a load bearing member is mounted in an embodiment of the present application.
Figure 2 is a schematic disassembly view of a load bearing member and a shear key in an embodiment of the present application.
FIG. 3 is a cross-sectional view of a shear key body in an embodiment of the present application.
FIG. 4 is a schematic view of a shear key body in an embodiment of the present application.
Fig. 5 is an enlarged view of a portion a in fig. 4.
Reference numerals: 1. cylindrical piers; 2. a core penetrating screw rod; 3. half hoop wrapping; 4. a shear key body; 41. a first connection portion; 411. positioning the convex ribs; 42. a second connecting portion; 5. a through hole; 6. a shear assembly; 61. shearing resisting plates; 62. a first fixing plate; 63. a second fixing plate; 64. fixing the bolt; 7. a buffer layer.
Detailed Description
The present application is described in further detail below with reference to figures 1-5.
The embodiment of the application discloses novel shear key of cylinder mound. Referring to fig. 1, the novel shear key of cylinder mound includes shear key body 4, and the main bearing member of interim bracket is for wearing core screw 2 and half hoop 3, and shear key body 4 is used for cooperating the main bearing member of interim bracket to use to set up interim bracket jointly. In the embodiment of the application, the number of the core penetrating screws 2 is three, the number of the half hoops 3 is two, namely, one pair, before installation, three installation holes are reserved on the cylindrical pier 1, the three core penetrating screws 2 penetrate through in a one-to-one correspondence manner, the three core penetrating screws 2 are arranged in parallel and all keep a horizontal state, the half hoops 3 are tightly embraced on the cylindrical pier 1, specifically, three connection holes are reserved on the half hoops 3 respectively, the three core penetrating screws 2 penetrate through the three connection holes in a one-to-one correspondence manner and penetrate through the half hoops 3, the side face, facing the cylindrical pier 1, of the half hoops 3 is set to be an arc face, so that the half hoops 3 can be tightly embraced on the cylindrical pier 1 in a matched manner, finally, nuts on the core penetrating screws 2 are screwed in sequence, and the half hoops 3 can be tightly embraced to complete installation.
Referring to fig. 2, of course, during installation, the shear key body 4 is also installed. The shear key bodies 4 are arranged at the joints of the core-penetrating screw rods 2 and the half hoops 3, so that six shear key bodies 4 are arranged. Specifically, the shear key body 4 includes a first connecting portion 41 and a second connecting portion 42 that are coaxially connected, the first connecting portion 41 and the second connecting portion 42 are integrally formed, the first connecting portion 41 is cylindrical, the second connecting portion 42 is circular truncated cone-shaped, the diameter of the second connecting portion 42 is larger than that of the first connecting portion 41, and the diameter of the second connecting portion 42 gradually increases toward the first connecting portion 41. In addition, a through hole 5 for the through screw 2 to pass through is arranged on the whole shear key body 4 in a penetrating way.
Referring to fig. 1 and 2, before installation, counterbores are formed in the arc surface of the half band 3 at the connecting holes, and the counterbores are actually formed continuously along the periphery of the connecting holes to enlarge the connecting holes, and the diameter of the counterbores is the same as that of the first connecting portion 41. Therefore, during the installation process, the operator installs the first connecting portion 41 into the counterbore, and the larger end face of the second connecting portion 42 abuts against the cambered surface of the half band 3 to limit the whole shear key body 4 from sinking into the half band 3. The shear key embedded part is arranged at the position, inside the cylindrical pier 1, of the core penetrating screw rod 2 and comprises a shear key cap sleeved on the outer side of the core penetrating screw rod 2 and a plate rib which is located on one side, back to the half hoop 3, of the shear key cap and welded between the shear key cap and the core penetrating screw rod 2, and the plate rib is welded to fix the shear key cap so as to limit the complete sinking of the shear key cap into the cylindrical pier 1. The inner peripheral surface of the shear key cap is designed to be a conical surface, and the conical surface of the shear key cap is matched with the conical surface of the second connecting part 42, so that an operator installs the second connecting part 42 into the shear key cap in the installation process, and the two conical surfaces are matched at the moment to complete the installation of the shear key body 4.
The shear key body 4 is arranged, so that the stress surfaces of the core penetrating screw 2, the cylindrical pier 1 and the half-wrapped hoop 3 are increased, the pressure born by the contact surfaces of the core penetrating screw 2, the cylindrical pier 1 and the half-wrapped hoop 3 is reduced, and the cylindrical pier 1, the half-wrapped hoop 3 and the core penetrating screw 2 are not easy to damage.
Referring to fig. 2 and 3, in addition, the buffer layer 7 is disposed on the smaller end surface and the conical surface of the second connection portion 42, in the embodiment of the present application, the buffer layer 7 is made of a rubber material, and the buffer layer 7 can reduce the damage to the second connection portion 42 due to the abutting against the shear key cap when the nut tightens the pair of half hoops 3 towards the pillar 1, thereby prolonging the service life of the shear key body 4.
Referring to fig. 2 and 4, since the first connection portion 41 receives the weight of the temporary bracket in the half band 3 and the second connection portion 42 receives the force opposite to the weight of the temporary bracket formed by the cylindrical pier 1 to overcome the weight of the temporary bracket in the shear key cap, the opposite forces act on the connection portion of the first connection portion 41 and the second connection portion 42, and thus, in order to enhance the structural strength and the shear resistance of the connection portion of the first connection portion 41 and the second connection portion 42, a pair of shear assemblies 6 are mounted at the connection portion of the first connection portion 41 and the second connection portion 42.
Referring to fig. 4 and 5, specifically, the shear assembly 6 includes a shear plate 61, a first fixing plate 62 welded to one end of the shear plate 61, a second fixing plate 63 welded to the other end of the shear plate 61, and a plurality of fixing bolts 64, wherein the first fixing plate 62 is fixed to the first connecting portion 41 by a part of the fixing bolts 64, and the second fixing plate 63 is fixed to the second connecting portion 42 by another part of the fixing bolts 64, and specifically, the shear plate 61 has a certain thickness, so that the shear assembly has a good shear resistance; the side of the first fixing plate 62 facing the first connecting portion 41 is of a cambered surface structure and is fitted with the side wall of the first connecting portion 41, so that the influence of the arrangement of the shear assembly 6 on the installation of the shear key body 4 can be reduced.
Referring to fig. 2 and 4, in addition, the first connecting portion 41 is provided with a positioning rib 411 along the axial direction of the first connecting portion, the half band 3 is provided with a positioning notch matched with the positioning rib 411, and after the positioning rib 411 is inserted into the positioning notch in a matching manner, the pair of shear assemblies 6 are just positioned on the same vertical line, so that the shear key body 4 can be better corrected in the installation process.
The implementation principle of the novel shear key of cylinder mound of this application embodiment does: the junction of the core penetrating screw rod 2 and the half-wrapped hoop 3 is provided with a shear key body 4, the diameter of the shear key body 4 is larger than that of the core penetrating screw rod 2, one end of the shear key body 4 is installed in the cylindrical pier 1, the other end of the shear key body is installed in the half-wrapped hoop 3, the stress surfaces of the core penetrating screw rod 2, the cylindrical pier 1 and the half-wrapped hoop 3 can be increased, the pressure born by the contact surfaces of the core penetrating screw rod 2, the cylindrical pier 1 and the half-wrapped hoop 3 is reduced, and the cylindrical pier 1, the half-wrapped hoop 3 and the core penetrating screw rod 2 are not easy to damage.
The above are preferred embodiments of the present application, and the scope of protection of the present application is not limited thereto, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. The utility model provides a novel shear force key of cylinder mound which characterized in that: including shear force key body (4), run through on shear force key body (4) and be equipped with through-hole (5) that are used for supplying core screw rod (2) to pass, install in cylinder mound (1) that is used for the construction the one end of shear force key body (4), install in half package hoop (3) that are used for setting up interim bracket the other end of shear force key body (4).
2. The novel shear key of the cylindrical pier as claimed in claim 1, wherein: the shear key body (4) comprises a first connecting portion (41) and a second connecting portion (42), the first connecting portion (41) is connected with the second connecting portion (42), the first connecting portion (41) is installed in a half-wrapping hoop (3) used for erecting a temporary bracket, and the second connecting portion (42) is installed in a cylindrical pier (1) used for construction.
3. The novel shear key of cylindrical pier according to claim 2, characterized in that: the diameter of the first connecting portion (41) is smaller than the diameter of the second connecting portion (42).
4. The novel shear key of cylindrical pier according to claim 2, characterized in that: the first connecting part (41) is of a cylindrical structure, and the second connecting part (42) is of a circular truncated cone-shaped structure; the diameter of the second connecting portion (42) is gradually increased toward the first connecting portion (41).
5. The novel shear key of cylindrical pier according to claim 2, characterized in that: the connecting part of the first connecting part (41) and the second connecting part (42) is provided with a pair of shear assemblies (6), the pair of shear assemblies (6) are oppositely arranged, and the shear assemblies (6) are used for improving the shear capacity of the connecting part of the first connecting part (41) and the second connecting part (42).
6. The novel shear key of cylindrical pier of claim 5, wherein: the shear assembly (6) comprises a first fixing plate (62), a second fixing plate (63), a shear resisting plate (61) and a plurality of fixing bolts (64), wherein the shear resisting plate (61) and the fixing bolts (64) are arranged between the first fixing plate (62) and the second fixing plate (63), the first fixing plate (62) is fixed on the first connecting portion (41) through the fixing bolts (64), and the second fixing plate (63) is fixed on the second connecting portion (42) through the fixing bolts (64).
7. The novel shear key of cylindrical pier as claimed in claim 2, wherein: integrated into one piece is equipped with location bead (411) on the lateral wall of first connecting portion (41), be equipped with on half hoop (3) for setting up interim bracket with the location breach of location bead (411) looks adaptation.
8. The novel shear key of cylindrical pier as claimed in claim 2, wherein: and buffer layers (7) are arranged on the end surface and the conical surface of the second connecting part (42).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221946118.XU CN217733788U (en) | 2022-07-26 | 2022-07-26 | Novel shear key of cylinder mound |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221946118.XU CN217733788U (en) | 2022-07-26 | 2022-07-26 | Novel shear key of cylinder mound |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217733788U true CN217733788U (en) | 2022-11-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221946118.XU Active CN217733788U (en) | 2022-07-26 | 2022-07-26 | Novel shear key of cylinder mound |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217733788U (en) |
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2022
- 2022-07-26 CN CN202221946118.XU patent/CN217733788U/en active Active
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