CN216101657U - Large-angle adjustable base for pre-buried channel - Google Patents
Large-angle adjustable base for pre-buried channel Download PDFInfo
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- CN216101657U CN216101657U CN202122035124.1U CN202122035124U CN216101657U CN 216101657 U CN216101657 U CN 216101657U CN 202122035124 U CN202122035124 U CN 202122035124U CN 216101657 U CN216101657 U CN 216101657U
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Abstract
The utility model relates to the technical field of rail transit installation equipment, in particular to a large-angle adjustable base for a pre-buried channel, which comprises an installation seat, a spherical bolt and a gasket, wherein the spherical bolt is installed on the installation seat, the installation seat comprises an installation part and an arched part positioned on the bottom surface of the installation part, the top surface of the installation part is provided with an accommodating groove for moving a nut end of the spherical bolt, the bottom surface of the arched part is provided with a positioning groove, the installation part is internally provided with an adjusting hole for moving a threaded end of the spherical bolt, the adjusting hole is a waist-shaped hole extending towards the length direction of the installation part, the top surface of the gasket is provided with a convex edge matched with the positioning groove, the gasket is provided with a through hole for the threaded end of the spherical bolt to pass through, and the structures of the installation seat and the gasket are simplified through the design of the convex edge and the positioning groove, so that the installation seat and the gasket are convenient to process, the production efficiency is improved, and the performance is more stable due to the change of the structure.
Description
Technical Field
The utility model relates to the technical field of rail transit installation equipment, in particular to a large-angle adjustable base for a pre-buried channel.
Background
The urban rail transit in China is rapidly developed, and the overhead rigid suspension bus bar is widely applied to the urban rail transit traction system. At present, an overhead rigid suspension system is installed at the top of a circular tunnel section in two modes, one mode is that expansion bolts are installed by punching holes in the top of the tunnel to connect the overhead rigid suspension system; the other type is that the tunnel top is paved with an embedded channel and a matched adjusting base for connection. In the field construction, the tunnel top high-altitude punching has the advantages of large workload, long time consumption and high requirement on working precision. Therefore, the way of connecting and installing the overhead rigid bus system through the pre-buried channel and the matching adjustment base has gradually become a trend.
The existing adjusting base for the embedded channel has limited angle adjusting range due to asymmetric structural design, and the installation direction of the adjusting base needs to be particularly noticed to avoid installation errors during field installation, so that the existing adjusting base cannot well meet higher and higher field construction installation requirements.
SUMMERY OF THE UTILITY MODEL
The technical problem to be solved by the utility model is as follows: in order to overcome the problems that the structural design of the existing adjusting base for the embedded channel is insufficient, the angle adjusting range is limited, the field installation is inconvenient and the like, the large-angle adjustable base for the embedded channel is provided.
The technical scheme adopted by the utility model for solving the technical problems is as follows: a large-angle adjustable base for a pre-buried channel comprises a mounting seat, a spherical bolt and a gasket, wherein the spherical bolt is mounted on the mounting seat, the mounting seat comprises a mounting part and an arch part positioned on the bottom surface of the mounting part, the bottom surface of the arch part is arc-shaped, the top surface of the mounting part is provided with a holding tank for moving a nut end of the spherical bolt, the holding tank is designed to be of a completely symmetrical structure with two arc-shaped sides, the nut end of the spherical bolt is movably arranged in the holding tank, the bottom surface of the arch part is provided with a positioning tank communicated with the holding tank, the holding tank and the positioning tank are arc-shaped grooves, an adjusting hole for moving a thread end of the spherical bolt is arranged in the mounting part, the thread end of the spherical bolt passes through the adjusting hole, the adjusting hole is a waist-shaped hole extending in the length direction of the mounting part, and the head end of the adjusting hole is communicated with the holding tank, the tail end and the constant head tank of regulation hole are linked together, the gasket top surface is provided with the bead with constant head tank matched with, be provided with the through-hole that is used for supplying the screw thread end of spherical bolt to pass on the gasket, the gasket suit is served at the screw thread of spherical bolt, simplifies the structure of mount pad and gasket through the design of bead and constant head tank for mount pad and gasket are convenient for process, have improved production efficiency, and the change of structure makes the performance more stable.
In order to solve the problem of mount pad and buried way location installation, further include the mounting hole has been seted up on the installation department, the mounting hole is used for supplying the bolt to pass, the protrusion has the boss on the installation department, boss and bolt and buried way cooperation fixed mounting seat in advance.
In order to solve the problem of mounting part and gasket structure transform, further include the position of bead and positioning groove can be interchanged, realizes multiple cooperation.
In order to solve the problem of fixing the gasket and the mounting seat, the cross section of the positioning groove and the cross section of the convex rib are both trapezoidal, so that the matching and the movement are stable.
The utility model has the beneficial effects that: according to the large-angle adjustable base for the embedded channel, the installation base is designed into the completely symmetrical structure with the two arc-shaped sides of the accommodating groove, so that the spherical bolt can freely move on the left side and the right side in the accommodating groove, the angle adjusting function of +/-24 degrees is realized, and the installation base is completely symmetrical in structure, so that the left side and the right side do not need to be distinguished, and the field installation is facilitated;
the gasket and the mounting seat are connected in an embedded mode, the contact surface between the gasket and the mounting seat is improved, friction force is increased, the stress area of the mounting seat is enlarged, the mounting seat is stressed more uniformly, and the overall performance is more stable.
Drawings
The utility model is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic top view of the present invention;
FIG. 3 is a schematic cross-sectional view taken along line A-A of the present invention;
FIG. 4 is a schematic bottom view of the mount of the present invention;
FIG. 5 is a schematic perspective view of a gasket according to the present invention;
FIG. 6 is a side view of the gasket of the present invention;
FIG. 7 is a cross-sectional structural schematic view of the mount of the present invention;
fig. 8 is a schematic front view of the present invention.
In the figure: 1. the mounting base comprises a mounting base body 11, a mounting portion 111, a containing groove 112, a regulating hole 113, a mounting hole 114, a boss 12, an arch portion 121, a positioning groove 2, a spherical bolt 3, a gasket 31, a rib 32 and a through hole.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.
As shown in fig. 1, which is a schematic structural diagram of the present invention, a large-angle adjustable base for a pre-buried channel comprises an installation base 1, a spherical bolt 2 and a gasket 3, wherein the spherical bolt 2 is installed on the installation base 1, as shown in fig. 2, 3 and 4, the installation base 1 comprises an installation part 11 and an arch part 12 located at the bottom surface of the installation part 11, the bottom surface of the arch part 12 is arc-shaped, an accommodation groove 111 for moving a nut end of the spherical bolt 2 is arranged on the top surface of the installation part 11, the nut end of the spherical bolt 2 is movably arranged in the accommodation groove 111, a positioning groove 121 communicated with the accommodation groove 111 is arranged on the bottom surface of the arch part 12, the accommodation groove 111 and the positioning groove 121 are both arc-shaped grooves, an adjustment hole 112 for moving a thread end of the spherical bolt 2 is arranged in the installation part 11, the thread end of the spherical bolt 2 passes through the adjustment hole 112, the waist shape hole that the regulation hole 112 extends for on 11 length direction of installation department, the head end and the holding tank 111 of regulation hole 112 are linked together, the tail end and the constant head tank 121 of regulation hole 112 are linked together, 3 top surfaces of gasket are provided with the bead 31 with constant head tank 121 matched with, as shown in fig. 5, be provided with the through-hole 32 that is used for supplying the screw thread end of spherical bolt 2 to pass on the gasket 3, 3 suits of gasket are on the screw thread end of spherical bolt 2, simplify the structure of mount pad 1 and gasket 3 through the design of bead 31 and constant head tank 121 for mount pad and gasket are convenient for process, have improved production efficiency, and the change of structure makes the performance more stable.
As shown in fig. 1 and 2, the mounting portion 11 is provided with a mounting hole 113, the mounting hole 113 is used for a bolt to pass through, the mounting portion 11 is protruded with a boss 114, and the boss 114 and the bolt are matched with a pre-buried channel to fix the mounting base.
As shown in fig. 6 and 7, the positions of the protruding ribs 31 and the positioning grooves 121 can be interchanged, so that various matching is realized, and the cross section of the positioning grooves 121 and the cross section of the protruding ribs 31 are both trapezoidal, so that the matching and the movement are stable.
As shown in fig. 8, the mounting seat 1 is forged by steel, the relative size is small, the cost is low, the accommodating groove 111 and the positioning groove 121 are of concentric circle structures, the angle adjustment is realized through the movement of the spherical screw 2 in the adjusting hole 112, the angle adjusting range is plus or minus 24 degrees, and the angle adjusting range is larger.
When the spherical bolt 2 is used, the threaded end of the spherical bolt 2 sequentially penetrates through the accommodating groove 111, the adjusting hole 112, the positioning groove 121 and the through hole 32 until the nut end of the spherical bolt 2 enters the accommodating groove 111 and is blocked by the adjusting hole 112, the mounting seat 1 is positioned with the embedded channel through the boss 113, the mounting hole 113 penetrates through the bolt and is fixed with the embedded channel, the threaded end of the spherical screw 2 moves in the adjusting hole 112 to realize angle adjustment, the mounting seat 1 is designed into a completely symmetrical structure with two arc-shaped sides of the accommodating groove 111, so that the spherical bolt 2 can freely move on the left side and the right side in the accommodating groove 112, an angle adjusting function of +/-24 degrees is realized, and the mounting seat 1 is completely symmetrical in structure, so that the left side and the right side do not need to be distinguished, and the field installation is facilitated;
In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations can be made by the worker in the light of the above teachings without departing from the spirit of the utility model. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (4)
1. The utility model provides an adjustable base of wide-angle for embedded channel, characterized by, includes mount pad (1), spherical bolt (2) and gasket (3), spherical bolt (2) are installed on mount pad (1), mount pad (1) includes installation department (11) and arch portion (12) that are located installation department (11) bottom surface, arch portion (12) bottom surface is the arc, installation department (11) top surface is provided with holding tank (111) that are used for supplying the nut end of spherical bolt (2) to remove, the nut end activity of spherical bolt (2) is arranged in holding tank (111), constant head tank (121) have been seted up to arch portion (12) bottom surface, holding tank (111) and constant head tank (121) are the arc wall, set up regulation hole (112) that are used for supplying the screw thread end of spherical bolt (2) to remove in installation department (11), the screw thread end of spherical bolt (2) passes regulation hole (112), the waist shape hole that the regulation hole (112) extended for on to installation department (11) length direction, the head end and holding tank (111) of regulation hole (112) are linked together, the tail end and constant head tank (121) of regulation hole (112) are linked together, gasket (3) top surface is provided with and constant head tank (121) matched with bead (31), be provided with through-hole (32) that the screw thread end that is used for supplying spherical bolt (2) passed on gasket (3), gasket (3) suit is on the screw thread end of spherical bolt (2).
2. The wide-angle adjustable base for the embedded channel as claimed in claim 1, wherein: the mounting portion (11) is provided with a mounting hole (113), and a boss (114) protrudes from the mounting portion (11).
3. The wide-angle adjustable base for the embedded channel as claimed in claim 1, wherein: the positions of the convex ribs (31) and the positioning grooves (121) can be interchanged.
4. The wide-angle adjustable base for the embedded channel as claimed in claim 1, wherein: the cross section of the positioning groove (121) and the cross section of the convex rib (31) are both trapezoidal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122035124.1U CN216101657U (en) | 2021-08-26 | 2021-08-26 | Large-angle adjustable base for pre-buried channel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122035124.1U CN216101657U (en) | 2021-08-26 | 2021-08-26 | Large-angle adjustable base for pre-buried channel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216101657U true CN216101657U (en) | 2022-03-22 |
Family
ID=80727635
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122035124.1U Active CN216101657U (en) | 2021-08-26 | 2021-08-26 | Large-angle adjustable base for pre-buried channel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216101657U (en) |
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2021
- 2021-08-26 CN CN202122035124.1U patent/CN216101657U/en active Active
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