CN108953769A - Constant-force spring hanger - Google Patents
Constant-force spring hanger Download PDFInfo
- Publication number
- CN108953769A CN108953769A CN201811128107.9A CN201811128107A CN108953769A CN 108953769 A CN108953769 A CN 108953769A CN 201811128107 A CN201811128107 A CN 201811128107A CN 108953769 A CN108953769 A CN 108953769A
- Authority
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- China
- Prior art keywords
- plate
- compression bar
- concave wheel
- constant
- pull rod
- 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.)
- Pending
Links
- 230000006835 compression Effects 0.000 claims abstract description 50
- 238000007906 compression Methods 0.000 claims abstract description 50
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 4
- 239000007787 solid Substances 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 5
- 239000000725 suspension Substances 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L3/00—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets
- F16L3/16—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets with special provision allowing movement of the pipe
- F16L3/20—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets with special provision allowing movement of the pipe allowing movement in transverse direction
- F16L3/205—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets with special provision allowing movement of the pipe allowing movement in transverse direction having supporting springs
- F16L3/21—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets with special provision allowing movement of the pipe allowing movement in transverse direction having supporting springs providing constant supporting spring force
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Holders For Apparel And Elements Relating To Apparel (AREA)
Abstract
The present invention relates to a kind of constant-force spring hanger, including front side board and back side panel, two side plate upper ends are fixedly connected with top plate, are equipped with the sunpender that can be moved up and down vertically in top plate；Two side plate lower ends are fixedly connected with spring retaining plate, and spring retaining plate lower end is fixedly installed swing pipe, is socketed pressing plate on swing pipe, is cased with compressed spring on the swing pipe between the pressing plate and spring retaining plate；Downrod lower end is provided with compression bar, is respectively arranged lever assembly at left and right sides of compression bar, and the lever assembly is rotatably arranged between front side board and back side panel, and described lever assembly one end and compression bar cooperate, and the lever assembly other end is connect with pressing plate；When the compression bar is moved up and down with sunpender, move up and down through lever assembly band dynamic pressure plate elasticity on swing pipe.The present invention provides a kind of constant-force spring hanger, and to provide a constant force support in pipeline support hoisting process, the impact force for preventing pipeline from being born causes to damage to pipeline.
Description
Technical field
The present invention relates to a kind of constant-force spring hangers.
Background technique
In process of deployment, then Pipe installing is arranged on bottom surface pipeline on conduit saddle by conduit saddle, for energy riser
The buffering and shock resistance in road need to carry out constant force support to pipeline, in current suspension and support, not specifically for pipeline
The suspension and support for carrying out constant force support occurs.
Summary of the invention
The technical problem to be solved by the present invention is overcoming the deficiencies of the prior art and provide a kind of constant-force spring hanger, solve
Constant force cannot be certainly carried out to pipeline in the past in the defect of support.
The technical solution adopted by the present invention to solve the technical problems is:
A kind of constant-force spring hanger, including front side board and back side panel, two side plate upper ends are fixedly connected with top plate, in the top plate
It is equipped with the sunpender that can be moved up and down vertically；Two side plate lower ends are fixedly connected with spring retaining plate, under the spring retaining plate
Swing pipe is fixedly installed in end, is socketed pressing plate on the swing pipe, compression bullet is cased on the swing pipe between the pressing plate and spring retaining plate
Spring；
The downrod lower end is provided with compression bar, and lever assembly, the lever assembly rotation are respectively arranged at left and right sides of the compression bar
It is arranged between front side board and back side panel, described lever assembly one end and compression bar cooperate, the lever assembly other end and pressing plate
Connection；
When the compression bar is moved up and down with sunpender, move up and down through lever assembly band dynamic pressure plate elasticity on swing pipe.
Further, the lever assembly include preceding revolution concave wheel knife, rear revolution concave wheel knife, connecting shaft, intermediate rotary shaft with
And pull rod, the intermediate rotary shaft both ends are fixedly connected with former and later two side plates, it is recessed that the intermediate rotary shaft passes through former and later two revolutions
Flywheel knife, the connecting shaft both ends are connect with two revolution concave wheel knife outer ends respectively, and the pull rod lower end connects pressing plate, the pull rod
Upper end with connect axis connection；
The revolution concave wheel knife inner end forms the contact surface for being engaged with compression bar, revolution concave wheel knife inner end contact surface
Below compression bar.
Further, the position adjusting mechanism for adjusting connection shaft position is provided on the lever assembly；
The position adjusting mechanism include connecting plate, adjust bolt and be provided with revolution concave wheel knife on adjust elongated slot, the company
Spindle both ends are located in the adjusting elongated slot of former and later two revolution concave wheel knives, the connecting plate and former and later two revolution concave wheel knives
Outer end edges are fixedly connected, and the adjusting bolt is passed through from connecting plate and connecting shaft, the adjusting bolt and connecting shaft bolt；
The adjusting bolt rotation drives connecting shaft adjusting elongated groove shaft movement.
Further, guiding arc slot, the connecting plate rear and front end point are offered respectively on the front side board and back side panel
It is not pierced by from the guiding arc slot of two side plates.
Further, the limit dress that limitation sunpender moves up and down is separately provided on the front side board and back side panel
It sets；
The limiting device includes a pair of of rack gear, tooth block and the vertical chute being provided on side plate, and 2 rack gears are separately positioned on
On the side plate outer end face of the vertical chute two sides, the compression bar rear and front end is passed through from the vertical chute respectively, two tooth block difference
It is fixed at compression bar rear and front end, the tooth block is stuck between two rack gears.
Further, the contact surface of the revolution concave wheel knife is inner sunken face, is respectively arranged to and connects on the compression bar
The bearing cooperated between contacting surface, the bearing inner race are fixedly connected with compression bar, and bearing (71) outer ring connects with revolution concave wheel knife
Contacting surface cooperation.
Further, the connection structure between the pull rod lower end and pressing plate are as follows:
Rod aperture is opened up on the pressing plate, the pull rod lower end is passed through from the rod aperture of pressing plate, pull rod (8) lower end connection fastening spiral shell
Mother is provided with spheric washer on the pull rod between the fastening nut and pressing plate, has in the rod aperture and swing for pull rod
Evacuation gap.
Further, the sunpender includes upper boom and lower beam, and the upper boom lower end forms external screw thread, and institute's lower beam upper end is formed
Internal thread hole, the upper boom lower end and lower beam upper end bolt.
It further, further include left pedestal and right pedestal, the front side board and back side panel are respectively rested on two bottoms in left and right
On seat.
Further, the lever assembly includes revolution concave wheel knife, intermediate rotary shaft and pull rod, the intermediate rotary shaft both ends
It is fixedly connected with former and later two side plates, the intermediate rotary shaft passes through revolution concave wheel knife, and the pull rod lower end connects pressing plate, the drawing
Bar upper end and revolution concave wheel knife outer end are hinged；
The revolution concave wheel knife inner end forms the contact surface for being engaged with compression bar, revolution concave wheel knife inner end contact surface
Below compression bar.
The beneficial effects of the present invention are:
The present invention provides a kind of constant-force spring hanger, to provide a constant force support in pipeline support hoisting process, prevents pipe
The impact force that road is born causes to damage to pipeline.
Detailed description of the invention
The following further describes the present invention with reference to the drawings.
Fig. 1 is constant supporting spring hanger schematic diagram of the present invention；
Fig. 2 is the suspension and support schematic diagram removed after front side board；
Fig. 3 is the structure chart between left and right sides lever assembly, pull rod and compressed spring；
Fig. 4 is lever assembly schematic diagram；
Fig. 5 is structure chart between sunpender and compression bar；
Fig. 6 is limiting device schematic diagram；
Fig. 7 is revolution concave wheel knife schematic diagram；
Wherein, 1, side plate, 2, sunpender, 3, fixed plate, 4, pressing plate, 5, compressed spring, 6, lever assembly, 61, revolution concave wheel knife,
62, intermediate rotary shaft, 63, connecting plate, 64, adjusting bolt, 65, connecting shaft, 7, compression bar, 71, bearing, 8, pull rod, 9, limiting device,
91, rack gear, 92, tooth block.
Specific embodiment
Presently in connection with specific embodiment, the present invention is further illustrated.These attached drawings are simplified schematic diagram only with
Illustration illustrates basic structure of the invention, therefore it only shows the composition relevant to the invention.
As shown in Figures 1 to 7, a kind of constant-force spring hanger, including front side board and back side panel, under former and later two side plates 1
On two pedestals in end support setting left and right, two 1 upper ends of side plate are fixedly connected with top plate, and fortune up and down can be done by being equipped with vertically in top plate
Dynamic sunpender 2；Two 1 lower ends of side plate are fixedly connected with spring retaining plate 3, and 3 lower end of spring retaining plate is fixedly installed swing pipe, on swing pipe
It is socketed pressing plate 4, is cased with compressed spring 5 on the swing pipe between pressing plate 4 and spring retaining plate 3.
2 upper end of sunpender is provided with carrying board, and 2 lower end of sunpender is provided with compression bar, is respectively arranged lever group at left and right sides of compression bar
Part 6, lever assembly 6 are rotatably arranged between front side board and back side panel, and 6 one end of lever assembly and compression bar cooperate, and lever assembly 6 is another
One end is connect with pressing plate 4；When compression bar is moved up and down with sunpender 2, through lever assembly 6, with dynamic pressure plate 4, the elasticity on swing pipe is upper and lower
Movement.
Specifically, lever assembly 6 includes preceding revolution concave wheel knife, rear revolution concave wheel knife, connecting shaft, intermediate rotary shaft 62 and draws
Bar, 62 both ends of intermediate rotary shaft are fixedly connected with former and later two side plates 1, and intermediate rotary shaft 62 passes through former and later two revolution concave wheel knives 61,
Connecting shaft both ends are connect with two 61 outer ends of revolution concave wheel knife respectively, and pull rod lower end connects pressing plate 4, and pull rod upper end and connecting shaft connect
It connects；Contact surface of 61 inner end of the concave wheel knife formation for being engaged with compression bar is turned round, revolution 61 inner end contact surface of concave wheel knife is located at
Below compression bar.Connecting shaft 65 at this time links together former and later two revolution concave wheel knives 61, only plays connection function.
65 position of connecting shaft in above-mentioned lever assembly 6 is fixed, immovable, for adjustment revolution concave wheel knife 61 and pull rod
Therefore the work arm of force between 8 devises the lever assembly 6 of another adjustable 65 position of connecting shaft, in the lever assembly
In 6, the position of connecting shaft 65 is adjustable, specific structure are as follows: position adjusting mechanism include connecting plate 63, adjust bolt 64 with
And be provided on revolution concave wheel knife 61 and adjust elongated slot, 65 both ends of connecting shaft are located at the adjusting of former and later two revolution concave wheel knives 61
In elongated slot, connecting plate 63 is fixedly connected with former and later two revolution 61 outer end edges of concave wheel knife, is adjusted bolt 64 from connecting plate 63 and is connected
It is passed through in spindle 65, adjusts bolt 64 and 65 bolt of connecting shaft；Adjusting the rotation of bolt 64 drives connecting shaft 65 adjusting elongated slot
Axis is mobile.In lever assembly 6 at this time, 65 position of connecting shaft can be moved adjusting in elongated slot, recessed so as to adjust revolution
The arm of force between flywheel knife 61 and pull rod 8.
Guiding arc slot is offered on front side board and back side panel respectively, 63 rear and front end of connecting plate is respectively from two side plates 1
It is pierced by guiding arc slot.The stability that two lever assemblies 6 in left and right rotate between former and later two side plates 1 can be promoted in this way.
To prevent suspension and support, sunpender 2 is moved up and down in the handling process, therefore, will be set respectively on front side board and back side panel
It is equipped with the limiting device 9 moved up and down for limiting sunpender 2；Limiting device 9 includes a pair of of rack gear 91, tooth block 92 and is provided with
The vertical chute on side plate 1,2 rack gears 91 are separately positioned on 1 outer end face of side plate of the vertical chute two sides, 7 front and back two of compression bar
End is passed through from the vertical chute respectively, and two tooth blocks 92 are respectively fixedly disposed at 7 rear and front end of compression bar, and tooth block 92 is stuck in two teeth
Between item 91.When carrying suspension and support, two compression bars 7 are fixed between two rack gears 91 through tooth block 92 respectively, to limit
Sunpender 2 processed moves up and down；When suspension and support work, gear is taken away, so that 2 upper end of sunpender is through conduit saddle supporting pipeline, sunpender 2
It is arranged on the revolution concave wheel knife 61 of two lever assemblies 6 through the buffering of compression bar 7.
In above-mentioned used revolution concave wheel knife 61, the contact surface of revolution concave wheel knife 61 is inner sunken face, is divided on compression bar 7
Not She Zhi bearing 71 for cooperating between contact surface, 71 inner ring of bearing is fixedly connected with compression bar 7,71 outer ring of bearing and revolution
The cooperation of 61 contact surface of concave wheel knife.By the bearing 71 of setting, make to become rolling from being slidably matched between compression bar 7 and revolution concave wheel knife 61
Dynamic cooperation, reduces operating friction power.
Connection structure between 8 lower end of pull rod and pressing plate 4 are as follows: rod aperture, bar of 8 lower end of pull rod from pressing plate 4 are opened up on pressing plate 4
It is passed through in hole, 8 lower end of pull rod connects fastening nut, is provided with spheric washer, bar on the pull rod 8 between fastening nut and pressing plate 4
Have in hole and does the evacuation gap swung for pull rod 8.The structure is primarily to the preferably movement of cooperation pull rod 8.
Therefore sunpender 2 is designed to upper boom and lower beam, upper boom lower end is formed for height of the adjustment carrying board in operation
External screw thread, lower beam upper end form internal thread hole, upper boom lower end and lower beam upper end bolt.Load-carrying can be adjusted by rotating upper boom
The height of plate.
In above-mentioned lever assembly 6, revolution concave wheel knife 61 includes 2, and lever assembly 6 can also use 1 in fact, specifically
Structure are as follows: lever assembly 6 includes revolution concave wheel knife 61, intermediate rotary shaft 62 and pull rod 8,62 both ends of intermediate rotary shaft and former and later two
Side plate 1 is fixedly connected, and intermediate rotary shaft 62 passes through revolution concave wheel knife 61, and 8 lower end of pull rod connects pressing plate 4, and 8 upper end of pull rod and revolution are recessed
61 outer end of flywheel knife is hinged；Contact surface of 61 inner end of the concave wheel knife formation for being engaged with compression bar 7 is turned round, is turned round in concave wheel knife 61
Termination contacting surface is located at 7 lower section of compression bar.This lever assembly 6 is used in suspension and support, and one is respectively set at left and right sides of compression bar 7 and returns
Turn concave wheel knife 61, then compression bar 7 drives revolution concave wheel knife 61 to drive pull rod 8 to move while rotation.
Using constant-force spring hanger of the invention, it is arranged in pipeline surrounding two sides and is supported.2 upper end connecting tube of sunpender
It holds in the palm, pipeline is set on conduit saddle.Sunpender 2 bears pipeline pressure, drives compression bar 7 to push two sides revolution concave wheel knife 61 and rotates, turns round recessed
61 outer end of flywheel knife through pull rod 8 connect pressing plate 4, band dynamic pressure plate 4 moved up in 2 lower end of sunpender, pressing plate 4 move up during to spring
Compression, to make entire about 2 elastic movement of sunpender, the distance that sunpender 2 moves up and down is that sunpender 2 moves in the vertical chute
Distance.
Taking the above-mentioned ideal embodiment according to the present invention as inspiration, through the above description, relevant staff is complete
Various changes and amendments can be carried out without departing from the scope of the technological thought of the present invention' entirely.The technology of this invention
Property range is not limited to the contents of the specification, it is necessary to which the technical scope thereof is determined according to the scope of the claim.
Claims (10)
1. a kind of constant-force spring hanger, characterized in that including front side board and back side panel, two side plate (1) upper ends are fixedly connected
Top plate is equipped with the sunpender (2) that can be moved up and down in the top plate vertically；It is solid that two side plate (2) lower ends are fixedly connected with spring
Fixed board (3), spring retaining plate (3) lower end are fixedly installed swing pipe, are socketed pressing plate (4) on the swing pipe, the pressing plate (4) with
Compressed spring (5) are cased on swing pipe between spring retaining plate (3)；
It is provided with compression bar (7) on the sunpender (2), is respectively arranged lever assembly (6), the thick stick at left and right sides of the compression bar (7)
Bar assembly (6) is rotatably arranged between front side board and back side panel, and described lever assembly (6) one end and compression bar cooperate, the lever
Component (6) other end is connect with pressing plate (4)；
When the compression bar (7) moves up and down with sunpender (2), through lever assembly (6) band dynamic pressure plate (4), elasticity is upper and lower on swing pipe
Movement.
2. constant-force spring hanger according to claim 1, characterized in that the lever assembly (6) includes that preceding revolution is recessed
Flywheel knife, rear revolution concave wheel knife, connecting shaft (65), intermediate rotary shaft (62) and pull rod (8), intermediate rotary shaft (62) both ends are with before
Latter two side plate (1) is fixedly connected, and the intermediate rotary shaft (62) passes through former and later two revolutions concave wheel knife (7), the connecting shaft
(65) both ends are connect with two revolution concave wheel knife (7) outer ends respectively, and pull rod (8) lower end connects pressing plate (4), the pull rod
(8) upper end is connect with connecting shaft (65)；
Revolution concave wheel knife (7) inner end forms the contact surface for being engaged with compression bar (7), the revolution concave wheel knife (7)
Inner end contact surface is located at below compression bar (7).
3. constant-force spring hanger according to claim 2, characterized in that be provided with and be used on the lever assembly (6)
Adjust the position adjusting mechanism of connecting shaft (65) position；
The position adjusting mechanism include connecting plate (63), adjust bolt (64) and be provided with revolution concave wheel knife (7) on adjust
Elongated slot, connecting shaft (65) both ends are located in the adjusting elongated slot of former and later two revolutions concave wheel knife (7), the connecting plate
(63) it is fixedly connected with former and later two revolution concave wheel knife (7) outer end edges, the adjusting bolt (64) is from connecting plate (63) and connects
Axis passes through in (65), the adjusting bolt (64) and connecting shaft (65) bolt；Adjusting bolt (64) rotation drives connection
Axis (65) is adjusting elongated groove shaft movement.
4. constant-force spring hanger according to claim 3, characterized in that opened up respectively on the front side board and back side panel
There is guiding arc slot, connecting plate (63) rear and front end is pierced by from the guiding arc slot of two side plates (1) respectively.
5. constant-force spring hanger according to claim 1, characterized in that be respectively set on the front side board and back side panel
There is the limiting device (9) moved up and down for limiting sunpender (2)；
The limiting device (9) includes a pair of of rack gear (91), tooth block (92) and the vertical chute being provided on side plate (1), and 2
Rack gear (91) is separately positioned on side plate (1) outer end face of the vertical chute two sides, and compression bar (7) rear and front end is respectively from vertical
It is passed through in sliding slot, two tooth blocks (92) are respectively fixedly disposed at compression bar (7) rear and front end, and the tooth block (92) is stuck in two rack gears
(91) between.
6. constant-force spring hanger according to claim 2, characterized in that it is described revolution concave wheel knife (7) contact surface be
Inner sunken face is respectively arranged to the bearing (71) cooperated between contact surface, bearing (71) inner ring on the compression bar (7)
It is fixedly connected with compression bar (7), bearing (71) outer ring and revolution concave wheel knife (7) contact surface cooperation.
7. constant-force spring hanger according to claim 2, characterized in that between pull rod (8) lower end and pressing plate (4)
Connection structure are as follows:
Rod aperture is opened up on the pressing plate (4), pull rod (8) lower end is passed through from the rod aperture of pressing plate (4), and pull rod (8) lower end connects
Fastening nut is connect, spheric washer is provided on the pull rod (8) between the fastening nut and pressing plate (4), has in the rod aperture
The evacuation gap swung is done for pull rod (8).
8. constant-force spring hanger according to claim 1, characterized in that the sunpender (2) includes upper boom and lower beam, institute
It states upper boom lower end and forms external screw thread, institute's lower beam upper end forms internal thread hole, the upper boom lower end and lower beam upper end bolt.
9. constant-force spring hanger according to claim 1, characterized in that further include left pedestal and right pedestal, before described
Side plate and back side panel are respectively rested on two pedestals in left and right.
10. constant-force spring hanger according to claim 1, characterized in that the lever assembly (6) includes revolution concave wheel
Knife (7), intermediate rotary shaft (62) and pull rod (8), intermediate rotary shaft (62) both ends are fixedly connected with former and later two side plates (1),
The intermediate rotary shaft (62) passes through revolution concave wheel knife (7), and pull rod (8) lower end connects pressing plate (4), pull rod (8) upper end
It is hinged with revolution concave wheel knife (7) outer end；
Revolution concave wheel knife (7) inner end forms the contact surface for being engaged with compression bar (7), the revolution concave wheel knife (7)
Inner end contact surface is located at below compression bar (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811128107.9A CN108953769A (en) | 2018-09-27 | 2018-09-27 | Constant-force spring hanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811128107.9A CN108953769A (en) | 2018-09-27 | 2018-09-27 | Constant-force spring hanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108953769A true CN108953769A (en) | 2018-12-07 |
Family
ID=64472453
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811128107.9A Pending CN108953769A (en) | 2018-09-27 | 2018-09-27 | Constant-force spring hanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108953769A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112794226A (en) * | 2021-03-22 | 2021-05-14 | 常州市武进武南管道设备有限公司 | Large displacement pulley constant force hanger |
| RU2759884C1 (en) * | 2021-02-25 | 2021-11-18 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Ярославский государственный технический университет" ФГБОУВО "ЯГТУ" | Constant force support |
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| CN204420332U (en) * | 2014-12-10 | 2015-06-24 | 扬州锦盛管架有限公司 | There is the constant force disc spring support of low coefficient of friction pressing plate guiding device |
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| CN106764089A (en) * | 2017-03-14 | 2017-05-31 | 扬州市泰克管道机械有限公司 | A kind of two-man act balanced type constant supporting spring hanger |
| CN208951439U (en) * | 2018-09-27 | 2019-06-07 | 常州市武进武南管道设备有限公司 | Constant-force spring hanger |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2585012Y (en) * | 2002-07-22 | 2003-11-05 | 颜纯 | Butterfly spring force constant device |
| US20100108852A1 (en) * | 2006-12-22 | 2010-05-06 | Lisega Aktiengesellschaft | Constant bearer |
| TW200831157A (en) * | 2007-01-17 | 2008-08-01 | Jetwave Internat Co Ltd | Foldable treadmill with a high incline angle |
| CN201160200Y (en) * | 2008-03-05 | 2008-12-03 | 北京中煤电气有限公司 | Rotating disc propulsion mechanism of pull-out type functional unit |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2759884C1 (en) * | 2021-02-25 | 2021-11-18 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Ярославский государственный технический университет" ФГБОУВО "ЯГТУ" | Constant force support |
| CN112794226A (en) * | 2021-03-22 | 2021-05-14 | 常州市武进武南管道设备有限公司 | Large displacement pulley constant force hanger |
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Application publication date: 20181207 |