CN220851057U - Low-friction sliding support structure - Google Patents
Low-friction sliding support structure Download PDFInfo
- Publication number
- CN220851057U CN220851057U CN202322425383.4U CN202322425383U CN220851057U CN 220851057 U CN220851057 U CN 220851057U CN 202322425383 U CN202322425383 U CN 202322425383U CN 220851057 U CN220851057 U CN 220851057U
- Authority
- CN
- China
- Prior art keywords
- sliding support
- support
- sliding
- sleeve
- ball
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 229910001220 stainless steel Inorganic materials 0.000 claims abstract description 5
- 239000004519 grease Substances 0.000 claims description 6
- 230000001050 lubricating effect Effects 0.000 claims description 6
- 238000009434 installation Methods 0.000 abstract description 6
- -1 polytetrafluoroethylene Polymers 0.000 abstract description 6
- 229920001343 polytetrafluoroethylene Polymers 0.000 abstract description 6
- 239000004810 polytetrafluoroethylene Substances 0.000 abstract description 6
- 238000006073 displacement reaction Methods 0.000 abstract description 4
- 238000005096 rolling process Methods 0.000 abstract description 4
- 230000007547 defect Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 abstract description 2
- 229910000831 Steel Inorganic materials 0.000 description 6
- 239000010959 steel Substances 0.000 description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 229910052742 iron Inorganic materials 0.000 description 2
- 229910000669 Chrome steel Inorganic materials 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 230000000452 restraining effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
- Y02T10/86—Optimisation of rolling resistance, e.g. weight reduction
Landscapes
- Supports For Pipes And Cables (AREA)
Abstract
The utility model discloses a low-friction sliding support structure, and belongs to the technical field of pipeline support and hanging frames. The existing sliding support is generally used for reducing the sliding friction coefficient by arranging the polytetrafluoroethylene plate on the sliding contact surface, but the polytetrafluoroethylene plate is often pushed away from the sliding surface in the thermal displacement process of the pipeline and is even extruded, folded, deformed and damaged, so that the sliding friction force is obviously increased. The utility model comprises a pipeline, a sliding support, a support upper assembly, a support lower sleeve, a foundation, balls and a limiting frame, wherein the high-chromium steel bearing balls are arranged on a sliding contact surface, so that the traditional sliding friction is changed into rolling friction, the horizontal friction force of the sliding support is effectively reduced, meanwhile, the installation height of the sliding support can be easily adjusted in a threaded screwing mode, and the defect that the height cannot be adjusted once the traditional sliding support is installed is effectively overcome.
Description
Technical Field
The utility model relates to a low-friction sliding support structure, belongs to the technical field of pipeline support and hanging frames, and can be widely applied to the fields of pipeline systems and related equipment such as electric power, petrochemical industry and the like.
Background
The sliding support is a common type of pipeline supporting and hanging frame, and is characterized in that a pipeline is supported on a sliding bottom plate to bear vertical load of the pipeline, and the sliding support is used for restraining vertical downward displacement at a pipeline supporting and hanging point without limiting horizontal displacement. Because the friction force in the horizontal direction can block the thermal expansion of the pipeline in the horizontal direction to a certain extent, additional stress and port thrust are brought to the pipeline, and the sliding support should reduce the sliding friction force in the horizontal direction as much as possible. At present, a polytetrafluoroethylene plate is arranged on a sliding contact surface, and the sliding friction coefficient can be reduced compared with the direct contact between an iron plate and the iron plate, but in the field inspection, the situation that the polytetrafluoroethylene plate is pushed away from the sliding surface and the polytetrafluoroethylene plate is extruded, deformed and damaged in the pipeline thermal displacement process is often found, and the polytetrafluoroethylene plate is obviously increased in sliding friction force after being folded, deformed and damaged due to extrusion, so that the normal thermal expansion of the pipeline is hindered, and the normal operation of the pipeline is not facilitated.
Disclosure of utility model
The utility model aims to overcome the defects in the prior art, and provides a sliding support structure which has simple structural design and convenient installation and adjustment and can change sliding friction force into rolling friction force, thereby remarkably reducing the horizontal friction coefficient of the sliding support and having the advantage of stable running state.
The utility model solves the problems by adopting the following technical scheme: a low friction sliding support structure, includes pipeline, its characterized in that: the device comprises a pipeline, and is characterized by further comprising a sliding support, a support upper assembly, a support lower sleeve, a foundation, balls and a limiting frame, wherein the sliding support is welded and fixed on the pipeline, the support lower sleeve is welded and fixed on the foundation, the support upper assembly comprises an upper sleeve, a top plate and a limiting bar, the top plate is fixed on the top of the upper sleeve, the limiting bar is fixed on the side of the top plate, and the upper sleeve is in threaded connection with the support lower sleeve so as to adjust the installation height of the support; the balls are uniformly distributed on the top plate, the balls are positioned through the limiting frame, lubricating grease is filled between the balls, and the friction coefficient is further reduced through filling the lubricating grease; the shoe is disposed above the assembly on the bracket and the shoe contacts the ball. The pipeline and sliding support combination body is placed on the support upper assembly, and traditional sliding friction is changed into rolling friction through ball contact, so that the horizontal friction force of the support is effectively reduced.
Further, the inner diameter of the upper sleeve is consistent with the outer diameter of the lower sleeve of the bracket, and the contact surface of the upper sleeve and the lower sleeve of the bracket is provided with fine threads matched with each other.
Further, the top plate is welded and fixed at the top end of the upper sleeve, and the limit strips are arranged around the upper surface of the top plate.
Furthermore, the height of the limiting strip is half of the diameter of the ball, and the ball is a high-chromium steel bearing ball.
Further, the diameter of the balls is matched to the working load of the sliding support, and in principle, the larger the working load of the support is, the larger the diameter of the balls is.
Further, the number and the size of the holes of the limiting frame are consistent with those of the balls, the height of the limiting frame is 1/5-1/4 of the diameter of the balls, and after the balls and the limiting frame are arranged, the limiting frame is fixed on the limiting frame in a screw fixing or bonding fixing mode.
Furthermore, the foundation adopts one of a concrete buttress, a horizontal steel beam and a steel structure column, and the application range is wide.
Furthermore, the sliding support can also adopt one of a pipe clamp sliding support, a channel steel support, a vertical pipe support and an elbow bracket, and the application range is wide.
Compared with the prior art, the utility model has the following advantages and effects:
1. The sliding friction form of the traditional sliding support is changed into the rolling friction form, so that the horizontal friction coefficient of the sliding support is obviously reduced.
2. The installation adjustment is comparatively convenient, can easily adjust the mounting height of sliding support through the mode of screw thread screwing, has effectively improved traditional sliding support and has once installed the defect of highly unadjustable.
Drawings
Fig. 1 is a schematic view of the overall structure of the present utility model.
Fig. 2 is an exploded view of the assembly of the present utility model.
Fig. 3 is a schematic view of a partial structure of the ball assembly positioning in the present utility model.
In the figure: pipeline 1, sliding support 2, support upper assembly 3, upper sleeve 31, roof 32, spacing 33, support lower sleeve 4, basis 5, ball 6, spacing 7, lubricating grease 8.
Detailed Description
The present utility model will be described in further detail by way of examples with reference to the accompanying drawings, which are illustrative of the present utility model and not limited to the following examples.
Examples
Referring to fig. 1 to 3, in the present embodiment, a low friction sliding support structure includes a pipe 1, a sliding support 2, a support upper assembly 3, a support lower sleeve 4, a foundation 5, balls 6 and a limit frame 7, the sliding support 2 is welded and fixed on the pipe 1, the support lower sleeve 4 is welded and fixed on the foundation 5, the support upper assembly 3 includes an upper sleeve 31, a top plate 32 and a limit bar 33, the top plate 32 is fixed on top of the upper sleeve 31, the limit bar 33 is fixed on side of the top plate 32, the upper sleeve 31 is in threaded connection with the support lower sleeve 4, and thus the installation height of the sliding support 2 is adjusted; the balls 6 are uniformly distributed on the top plate 32, the balls 6 are positioned through the limiting frame 7, and lubricating grease 8 is filled between the balls 6, so that the friction coefficient is further reduced; the shoe 2 is placed over the upper bracket assembly 3 and the shoe 2 is in contact with the balls 6.
In this embodiment, the inner diameter of the upper sleeve 31 is identical to the outer diameter of the lower bracket sleeve 4, and the contact surface of the upper sleeve 31 and the lower bracket sleeve 4 is provided with fine threads matching each other. The roof 32 welded fastening is on the top of upper sleeve 31, and spacing 33 sets up around roof 32 upper surface. The height of the limit bar 33 is half the diameter of the ball 6, and the ball 6 is a high chromium steel bearing ball. The diameter of the balls 6 matches the working load of the sliding support, in principle the larger the working load of the sliding support the larger the diameter of the balls 6. The number and the size of the holes of the limiting frame 7 are consistent with those of the balls 6, the height of the limiting frame 7 is 1/5-1/4 of the diameter of the balls 6, and after the balls 6 and the limiting frame 7 are arranged, the limiting frame 7 is fixed on the limiting frame 33 in a screw fixing or bonding fixing mode.
For a certain pipeline sliding support structure, the specification of the pipeline 1 is phi 273mm multiplied by 10mm, the support work load is 20000N, and the model of the sliding support 2 is Z2.273 according to the standard in an electric power line; the high chromium steel bearing balls with the diameter of 30mm and the number of 49 are selected according to the working load of the bracket and are arranged in a 7 multiplied by 7 way; the specification of the top plate 32 is 220mm×220mm×8mm; the height of the limit strips 33 is 15mm, and the limit strips are welded and arranged around the upper surface of the top plate 32; the limiting frame 7 is made of steel plates with the thickness of 220mm multiplied by 6mm, and is hollowed out according to the arrangement quantity and the size of the balls 6; the upper sleeve 31 is made of steel pipes with phi 200mm multiplied by 10mm, the lower bracket sleeve 4 is made of steel pipes with phi 180mm multiplied by 10mm, fine threads with the pitch of 2mm are arranged on the inner surface of the upper sleeve 31 and the outer surface of the lower bracket sleeve 4, and the thread length is 50mm.
The assembly of the assembly 3, the balls 6 and the stop 7 on the bracket is completed in the manufacturing factory. Firstly, welding and assembling an upper sleeve 31, a top plate 32 and a limit strip 33 to form an upper bracket assembly 3; then evenly arranging 49 chrome steel bearing balls on the upper surface of the top plate 32, and filling a proper amount of lubricating grease 8; finally, the limiting frame 7 is used for packaging and positioning.
During field installation, the lower sleeve 4 of the bracket is welded and fixed on the foundation 5; then screwing the bracket upper component 3, the ball 6 and the limit frame 7 assembly on the lower sleeve 4; the sliding support 2 is welded on the pipeline 1 according to the positioning size; finally, the mounting height of the bracket is adjusted by screwing the sleeve 31 until the design elevation of the pipeline and the normal stressed state of the bracket are reached.
What is not described in detail in this specification is all that is known to those skilled in the art.
Furthermore, the foregoing description of the utility model is provided by way of example only. All equivalent changes in construction, features and principles of the utility model according to the inventive concept are intended to be encompassed by the scope of the utility model. Those skilled in the art may make various modifications, additions and substitutions to the described embodiments without departing from the scope of the utility model as defined in the accompanying claims.
Claims (5)
1. A low friction sliding support structure comprising a pipe (1), characterized in that: still include sliding support (2), support upper assembly (3), support lower sleeve (4), basis (5), ball (6) and spacing (7), sliding support (2) welded fastening is on pipeline (1), support lower sleeve (4) welded fastening is on basis (5), support upper assembly (3) are including last sleeve (31), roof (32) and spacing (33), roof (32) are fixed at the top of last sleeve (31), spacing (33) are fixed at the avris of roof (32), go up sleeve (31) and support lower sleeve (4) threaded connection, ball (6) evenly distributed are on roof (32) to ball (6) are fixed a position through spacing (7), be filled with lubricating grease (8) between ball (6), the top of component (3) is arranged in to sliding support (2) and ball (6) contact.
2. The low friction sliding support structure according to claim 1, wherein: the inner diameter of the upper sleeve (31) is consistent with the outer diameter of the lower sleeve (4) of the bracket, and the contact surface of the upper sleeve (31) and the lower sleeve (4) of the bracket is provided with fine threads matched with each other.
3. The low friction sliding support structure according to claim 1, wherein: the top plate (32) is welded and fixed at the top end of the upper sleeve (31), and the limit strips (33) are arranged around the upper surface of the top plate (32).
4. A low friction sliding support structure according to claim 1 or 3, characterized in that: the height of the limiting strip (33) is half of the diameter of the ball (6), and the ball (6) is a high-chromium steel bearing ball.
5. A low friction sliding support structure according to claim 1 or 3, characterized in that: the number and the size of the holes of the limiting frame (7) are consistent with those of the balls (6), the height of the limiting frame (7) is 1/5-1/4 of the diameter of the balls (6), and the limiting frame (7) is fixed with the limiting bars (33).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322425383.4U CN220851057U (en) | 2023-09-07 | 2023-09-07 | Low-friction sliding support structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322425383.4U CN220851057U (en) | 2023-09-07 | 2023-09-07 | Low-friction sliding support structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220851057U true CN220851057U (en) | 2024-04-26 |
Family
ID=90784472
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322425383.4U Active CN220851057U (en) | 2023-09-07 | 2023-09-07 | Low-friction sliding support structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220851057U (en) |
-
2023
- 2023-09-07 CN CN202322425383.4U patent/CN220851057U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |