Slip connection for flexible seismic connection

Abstract

The utility model provides a sliding connecting piece for flexible anti -seismic connection, including upper connecting piece, intermediate connecting piece and lower connecting piece, wherein upper connecting piece is fixedly connected with channel steel, and the upper end of intermediate connecting piece is slidably matched with upper connecting piece, and the lower end is fixedly connected with lower connecting piece, and pipeline is matched with lower connecting piece and sets up, the utility model discloses reasonable structure design can be applicable to the occasion of obvious pipeline temperature difference, can also be applicable to water, oil pipeline dynamic load vibration occasion, and cooperate with the thermal expansion and cold shrink or dynamic load vibration of pipeline, and the sliding bolt can be moved in the waist -shaped hole of connecting piece, realizes flexible anti -seismic connection.

Description

Technical Field

[0001] This utility model relates to the field of fasteners, particularly sliding connectors, and especially to a sliding connector for flexible, shock-resistant connections. Background Technology

[0002] Steel structures are structural systems composed of steel plates and structural steel sections, connected by welding, bolting, or riveting. They are widely used in construction, bridges, industrial equipment, and other fields. Currently, in the positioning and installation of existing pipelines with steel structures, a combination of connectors and clamps is typically used. The clamps are used to lock the pipeline in place, and then the connectors are used to position and install the connectors onto the steel structure.

[0003] However, in practical use, steel structures exhibit thermal expansion and contraction, resulting in significant expansion and contraction along their length and width when the ambient temperature changes drastically. Simultaneously, steel structures experience bending and deflection when subjected to live loads, wind loads, etc., leading to structural displacement. Under significant vibrations, such as earthquakes, steel structures suffer strong horizontal impacts, resulting in complex vibrations and displacements.

[0004] Therefore, in order to enable steel structures to effectively adapt to structural deformation, release additional stress, improve seismic performance, and simplify design and construction, sliding connectors need to be rationally designed in the connection of steel structures so that the pipes and steel structures are not completely locked together, and there is a certain elastic movement space between the pipes and steel structures. In this way, it can adapt to the expansion and contraction and vibration of the frame structure that may be caused by environmental conditions. Utility Model Content

[0005] The technical problem to be solved by this utility model is: in order to overcome the shortcomings of the prior art, this utility model provides a sliding connector for flexible seismic connection, which can be effectively applied to situations where there is a significant temperature difference in the pipeline. In the case of dynamic vibration of water and oil pipelines, it can achieve flexible seismic connection in combination with the thermal expansion and contraction or dynamic vibration of the pipeline.

[0006] The technical solution adopted by this utility model to solve its technical problem is: a sliding connector for flexible seismic connection, used to connect and install pipelines on channel steel, including an upper connector, an intermediate connector and a lower connector; the upper connector is fixedly connected to the channel steel; the upper end of the intermediate connector slides with the upper connector, and the lower end is fixedly connected to the lower connector; the pipeline is configured to cooperate with the lower connector.

[0007] In the above scheme, upper, middle and lower connecting parts are reasonably designed. The upper connecting part and the middle connecting part adopt a sliding fit. When the temperature difference of the pipeline is obvious and the pipeline is prone to significant contraction, in the case of dynamic load vibration of water and oil pipelines, the middle connecting part can drive the lower connecting part to slide relative to the upper connecting part, effectively realizing a flexible seismic connection between the pipeline and the steel structure.

[0008] Furthermore, the lower connector is a frame structure, with the pipe passing through it. The frame structure, along its radial cross-section, includes an integral lower arc-shaped section, a middle straight plate section, and an upper arched section. The lower arc-shaped section has an upward-opening, slightly curved or semi-circular structure. The two ends of the lower arc-shaped section are respectively connected upwards to the middle straight plate section, and the upper ends of the two middle straight plate sections are connected by the upper arched section. The lower arc-shaped section mates with the outer arc-shaped surface of the pipe to support it, while the middle straight plate section further limits movement on both sides of the pipe.

[0009] Preferably, the inner diameter of the lower arc-shaped portion matches the outer diameter of the pipe, and the distance between the straight plates at both ends is not less than the outer diameter of the pipe. When the pipe is installed through the lower connector, there is a gap between the upper arched portion and the pipe. The upper arched portion provides a certain upward floating space for the pipe, facilitating the through-installation and normal use of the pipe and the lower connector.

[0010] Furthermore, the upper connecting member is a downward-opening groove-shaped member, which includes an upper web plate and upper wing plates symmetrically connected to both ends of the upper web plate. The upper wing plates extend downward to form downward openings. The upper web plate has upper mounting holes, and the channel steel also has several positioning holes. The upper positioning member is fixed to the channel steel by mounting bolts threaded into the mounting holes and positioning holes. The middle straight plate is slidably connected between the two upper wing plates.

[0011] Furthermore, the intermediate connector is an upward-opening channel-shaped component, comprising a central web plate and central flanges symmetrically connected to both ends of the central web plate. The central flanges extend upward to form upward openings. The upper flange has a slotted hole along the length of the channel steel. The sliding connector also includes a sliding bolt, with both ends of the sliding bolt threaded through the slotted hole and connected to a limit nut. A central positioning hole is formed on the central flange, which is a round hole adapted to the shape of the sliding bolt. The sliding bolt slides through the slotted hole while simultaneously passing through the central positioning holes on both central flanges. The intermediate connector is installed onto the upper connector via the sliding bolt. Through the design of the slotted hole, after assembly, the intermediate connector can accommodate the thermal expansion and contraction of the pipeline or dynamic load vibration. The sliding bolt moves accordingly in the slotted hole, thereby achieving a flexible and seismic-resistant connection for the entire sliding connector.

[0012] Preferably, the distance between the outer surfaces of the two middle flanges of the intermediate connector is less than the distance between the inner surfaces of the two upper flanges of the upper connector, and the flanges of the intermediate connector are located inside the opening of the upper connector. Thus, when the upper connector and the intermediate connector are assembled, the openings of the two connectors face each other, the intermediate connector is located inside the opening of the upper connector, and a sliding fit between the intermediate connector and the upper connector is achieved through the cooperation of the sliding bolt and the slot.

[0013] Furthermore, the lower connector is fixed to the web plate of the intermediate connector by bolts and nuts.

[0014] The beneficial effects of this utility model are that the sliding connector for flexible seismic connection provided by this utility model has a reasonable structural design, which can be applied to occasions with obvious temperature differences in pipelines, as well as to occasions with dynamic vibration of water and oil pipelines. In conjunction with the thermal expansion and contraction or dynamic vibration of the pipeline, the sliding bolt can respond and move within the waist-shaped hole of the connector to achieve a flexible seismic connection. Attached Figure Description

[0015] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0016] Figure 1 This is a perspective view of the preferred embodiment of the present invention.

[0017] Figure 2 This is a perspective view of the preferred embodiment of the present invention from another direction.

[0018] Figure 3 This is the front view of the preferred embodiment of this utility model.

[0019] Figure 4 This is a schematic diagram of the lower connector after the pipe is installed in the preferred embodiment of this utility model.

[0020] In the figure: 1. Channel steel; 2. Positioning hole; 3. Upper web plate; 4. Upper wing plate; 5. Waist hole; 6. Limit nut; 7. Sliding bolt; 8. Middle wing plate; 9. Middle web plate; 10. Lower arc-shaped part; 11. Middle straight plate part; 12. Pipe; 13. Upper arch-shaped part. Detailed Implementation

[0021] The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic diagrams, illustrating only the basic structure of the present invention in a schematic manner. Therefore, they only show the components relevant to the present invention. Orientations and references (e.g., up, down, left, right, etc.) are only used to aid in the description of the features in the drawings. Therefore, the following specific embodiments are not intended to be restrictive, and the scope of the claimed subject matter is defined solely by the appended claims and their equivalents.

[0022] like Figures 1 to 4 The sliding connector shown is a preferred embodiment of this utility model for flexible seismic connection. This sliding connector is used to connect and install pipe 12 onto channel steel 1, and includes an upper connector, an intermediate connector, a lower connector, and a sliding bolt 7.

[0023] The channel steel 1 is provided with a number of positioning holes 2 spaced apart. The upper connector is fixedly connected to the channel steel 1 through the positioning holes 2. The upper end of the middle connector is slidably engaged with the upper connector, and the lower end is fixedly connected to the lower connector. The pipe 12 is set to cooperate with the lower connector. The middle connector drives the lower connector and the pipe 12 to slide relative to the upper connector through the sliding bolt 7, thereby adapting to thermal expansion and contraction or dynamic load vibration of the water or oil pipe 12.

[0024] The upper connector is a downward-opening groove-shaped part, and the middle connector is an upward-opening groove-shaped part.

[0025] Specifically, the channel-shaped component of the upper connector includes an upper web plate 3 and upper flanges 4 symmetrically connected to both ends of the upper web plate 3. The upper flanges 4 extend downward to form downward openings. The upper web plate 3 has upper mounting holes, and the channel steel 1 also has several positioning holes 2. The upper positioning component is fixed to the channel steel 1 by mounting bolts connected to the mounting holes and positioning holes 2 through internal threads.

[0026] The intermediate connector includes a central web plate 9 and central flange plates 8 symmetrically connected to both ends of the central web plate 9. The central flange plates 8 extend upward to form upward openings. The upper flange plate 4 has a slotted hole 5 along the length of the channel steel 1. The sliding connector also includes a sliding bolt 7, with both ends of the sliding bolt 7 passing through the slotted hole 5 and threaded with a limit nut 6. A central positioning hole is formed on the central flange plate 8, which is a round hole adapted to the shape of the sliding bolt 7. The sliding bolt 7 slides through the slotted hole 5 and simultaneously passes through the central positioning holes on both central flange plates 8. The intermediate connector is installed onto the upper connector via the sliding bolt 7. The distance between the outer surfaces of the two central flange plates 8 of the intermediate connector is less than the distance between the inner surfaces of the two upper flange plates 4 of the upper connector. The flanges of the intermediate connector are located inside the openings of the upper connector. Thus, when the upper connector and the intermediate connector are assembled, the openings of the two connectors face each other, the intermediate connector is located inside the opening of the upper connector, and the sliding engagement between the intermediate connector and the upper connector is achieved through the cooperation of the sliding bolt 7 and the slotted hole 5. After assembly, the intermediate connector can cooperate with the thermal expansion and contraction of the pipe 12 or the dynamic load vibration, and the sliding bolt 7 can move accordingly in the waist hole 5, thereby realizing the overall flexible seismic connection of the sliding connector.

[0027] like Figure 4As shown, the lower connector is fixed to the web plate 9 of the intermediate connector by bolts and nuts. The lower connector is a frame structure, and the pipe 12 is installed inside the frame structure. The frame structure includes a lower arc-shaped part 10, a middle straight plate part 11, and an upper arched part 13, which are integrally formed along the radial section of the pipe 12. The lower arc-shaped part 10 has an upward-opening inferior arc structure or a semi-circular structure. The two ends of the lower arc-shaped part 10 are respectively connected to the middle straight plate part 11, and the upper ends of the two middle straight plate parts 11 are connected by the upper arched part 13. The inner diameter of the lower arc-shaped part 10 is adapted to the outer diameter of the pipe 12. The lower arc-shaped part 10 is used to fit with the outer arc-shaped surface of the pipe 12 and support the pipe 12.

[0028] The middle straight plate 11 further limits the movement of the pipe 12 on both sides. The distance between the two middle straight plate sections 11 is not less than the outer diameter of the pipe 12. When the pipe 12 is installed through the lower connector, there is a gap between the upper arched section 13 and the pipe 12. The upper arched section 13 provides a certain upward floating space for the pipe 12, which facilitates the through installation and normal use of the pipe 12 and the lower connector.

[0029] In actual design, after the lower connector is fixed to the middle connector, in order to effectively protect the bolts and nuts used for fixing from the side, the two ends of the middle web plate 9 of the middle connector can extend upward to form protective side plates. These protective side plates can protect the bolts and nuts from the side on the one hand, and strengthen the strength of the middle web plate 9 on the other hand, effectively improving the reliability of the middle connector, thereby improving the overall reliability of the connector.

[0030] During assembly, the positioning hole 2 on the channel steel 1 is selected, and the upper web plate 3 is locked and positioned to the channel steel 1 using bolts and nuts in the mounting hole of the upper web plate 3. The sliding bolt 7 passes through the waist hole 5 of the upper flange plate 4 on one side of the upper connector, continues through the positioning holes of the two middle flange plates 8 of the intermediate connector, and then extends out through the waist hole 5 of the upper flange plate 4 on the other side. Then, the limiting nuts 6 are screwed into the two ends of the sliding bolt 7 to prevent the sliding bolt 7 from coming off the upper flange plate 4 and the middle flange plate 8. At this time, it is necessary to ensure that the limiting nuts 6 do not cause the upper connector and the intermediate connector to jam, and the two can slide accordingly under the limitation of the waist hole 5. The lower connector is conventionally fixed to the middle web plate 9 with bolts and nuts. The pipe 12 passes through the lower connector and is supported by the lower connector. Thus, in situations where there is a significant temperature difference in the pipeline 12 and in situations where the water or oil pipeline 12 is subjected to dynamic load vibration, the sliding connector as a whole can cooperate with the thermal expansion and contraction or dynamic load vibration of the pipeline 12, and achieve a flexible and earthquake-resistant connection by utilizing the response movement of the sliding bolt 7 in the oblong hole of the connector.

[0031] Based on the above-described preferred embodiments of this utility model, and through the foregoing description, those skilled in the art can make various changes and modifications without departing from the technical concept of this utility model. The technical scope of this utility model is not limited to the contents of the specification, but must be determined according to the scope of the claims.

Claims

1. A sliding connector for flexible seismic connections, used to connect and install pipelines on channel steel, characterized in that: It includes an upper connector, an intermediate connector, and a lower connector; the upper connector is fixedly connected to the channel steel; the upper end of the intermediate connector is slidably fitted with the upper connector, while the lower end is fixedly connected to the lower connector; the pipe is configured to cooperate with the lower connector.

2. The sliding connector for flexible seismic connection as described in claim 1, characterized in that: The lower connector is a frame structure, with the pipe running through it. The frame structure has a radial cross-section that includes an integral lower arc-shaped part, a middle straight plate part, and an upper arch-shaped part. The lower arc-shaped part is an upward-opening inferior arc structure or a semi-circular structure. The two ends of the lower arc-shaped part are respectively connected to the middle straight plate part, and the upper ends of the two middle straight plate parts are connected through the upper arch-shaped part.

3. The sliding connector for flexible seismic connection as described in claim 2, characterized in that: The inner diameter of the lower arc-shaped part is adapted to the outer diameter of the pipe, the distance between the middle straight plates at both ends is not less than the outer diameter of the pipe, and when the pipe is installed through the lower connector, there is a gap between the upper arched part and the pipe.

4. The sliding connector for flexible seismic connection as described in claim 2, characterized in that: The upper connector is a downward-opening groove-shaped component, which includes an upper web and upper flanges symmetrically connected to both ends of the upper web. The upper flanges extend downward to form downward openings. The upper web has upper mounting holes, and the channel steel also has several positioning holes. The upper connector is fixed to the channel steel by threading mounting bolts into the mounting holes and positioning holes. The middle straight plate is slidably connected between the two upper flanges.

5. The sliding connector for flexible seismic-resistant connections as described in claim 4, characterized in that: The intermediate connecting member is an upward-opening groove-shaped member, which includes a central web plate and central wing plates symmetrically connected to both ends of the central web plate. The central wing plates extend upward to form an upward opening. The upper flange is provided with a waist hole along the length of the channel steel, and the sliding connector also includes a sliding bolt, with limit nuts threaded to both ends of the sliding bolt after passing through the waist hole. The middle wing plate has a center positioning hole, which is a round hole that matches the shape of the sliding bolt. The sliding bolt slides through the center positioning hole on both middle wing plates while engaging with the waist hole.

6. The sliding connector for flexible seismic-resistant connections as described in claim 5, characterized in that: The distance between the outer surfaces of the two middle wing plates of the intermediate connector is less than the distance between the inner surfaces of the two upper wing plates of the upper connector, and the wing plates of the intermediate connector are located inside the opening of the upper connector.

7. The sliding connector for flexible seismic-resistant connections as described in claim 5, characterized in that: The lower connector is fixed to the web plate of the intermediate connector by bolts and nuts.

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