CN107477260A - A kind of symmetrical expression spring constant force suspension and support - Google Patents
A kind of symmetrical expression spring constant force suspension and support Download PDFInfo
- Publication number
- CN107477260A CN107477260A CN201710858534.1A CN201710858534A CN107477260A CN 107477260 A CN107477260 A CN 107477260A CN 201710858534 A CN201710858534 A CN 201710858534A CN 107477260 A CN107477260 A CN 107477260A
- Authority
- CN
- China
- Prior art keywords
- reel
- rope
- framework
- central shaft
- fixed
- 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
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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
- B66D1/28—Other constructional details
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
- B66D1/28—Other constructional details
- B66D1/36—Guiding, or otherwise ensuring winding in an orderly manner, of ropes, cables, or chains
- B66D1/38—Guiding, or otherwise ensuring winding in an orderly manner, of ropes, cables, or chains by means of guides movable relative to drum or barrel
Abstract
The invention discloses a kind of symmetrical expression spring constant force suspension and support, including truncated cone-shaped reel, spiral in framework, framework is arranged at grooving, horizontal positioned central shaft, torsion spring, rope and the guide rope device below rope of reel circular conical surface；Rope initiating terminal is fixed at the grooving at the larger end of reel diameter of section, along grooving around to reel diameter of section small end, is connected through guide rope device end with holding hanging object；The reel is provided with central through hole, and central shaft passes through central through hole, and the reel is fixed on central shaft by reel bearing, and central shaft is fixed on framework by fixed plate；The groove that the central shaft is provided with drum center through hole both ends, torsion spring gap location through central shaft and drum center through hole, one end connect the groove of central shaft, and the other end connects the groove of reel.The present invention makes rope output end be always positioned among suspension and support bottom, and suspension and support will not be distorted when in use.
Description
Technical field
The present invention relates to constant force to lift field, and in particular to a kind of symmetrical expression spring constant force suspension and support.
Background technology
Constant supporting spring hanger is widely used in the fields such as electric power, oil, chemical industry, and it is designed according to principle of moment balance.
When hanging support using such, when due to effects such as heating power certain deformation occurs for pipeline, no matter thermal walking increases or reduced, it
Can obtain constant support force all the time, so avoid the additional stress that pipeline is brought due to thermal expansion.Traditional perseverance
Power suspension and support is fabricated according to parallelogram law, the structure that some is combined using connecting rod with spring, and some is using master
Auxiliary spring structure, using the structure of connecting rod and spring due to that symmetrical expression can not be used to design so that this kind of suspension and support is when in use
It can be distorted due to the Action of Gravity Field of spring section, and the suspension and support of major-minor spring structure is then due to the swing arm on auxiliary spring
Technological requirement is higher and causes cost higher.
The content of the invention
To solve deficiency of the prior art, the present invention provides a kind of symmetrical expression spring constant force suspension and support, using symmetrical expression
Design causes suspension and support not to be distorted when in use, and simple in construction, cost is low.
In order to realize above-mentioned target, the present invention adopts the following technical scheme that：
A kind of symmetrical expression spring constant force suspension and support, it is characterised in that：Truncated cone-shaped reel including framework, in framework,
Spiral is arranged at grooving, horizontal positioned central shaft, torsion spring, rope and the conductor rope dress below rope of reel circular conical surface
Put；The rope initiating terminal is fixed at the grooving at the larger end of reel diameter of section, smaller along grooving around to reel diameter of section
End, through guide rope device, rope end is connected with holding hanging object；The reel is provided with central through hole along central axial direction, described
Central through hole both ends are provided with reel bearing, and the central shaft passes through central through hole, during the reel is fixed on by reel bearing
In mandrel, the central shaft is fixed on framework by the both ends fixed plate on the outside of framework；The central shaft lateral surface
Opposite end of the one end with drum center through hole medial surface vertically is equipped with the groove for being connected torsion spring, and the torsion spring passes through central shaft
Gap location between central shaft and drum center through hole, one end connect the groove of central shaft, other end connection reel
Groove.
A kind of foregoing symmetrical expression spring constant force suspension and support, it is characterized in that：The guide rope device includes mobile sheave group
With fixed sheave group, the mobile sheave group is connected by screw thread with the screw rod being horizontally fixed on framework, the screw rod
One end is provided with screw gear, and screw rod both ends are fixed on frame side wall by screw-bearing, and the reel is larger in diameter of section
Hold and be provided with reel gear on the outside of the reel of end, the screw gear engages with reel gear, the fixed sheave group position
In base of frame middle.
A kind of foregoing symmetrical expression spring constant force suspension and support, it is characterized in that：The mobile sheave group and fixed sheave
Group includes two sheaves placed side by side, and the sheave is built among two clamping plates, and the mobile sheave group is also wrapped
The transmission nut being connected with screw rod is included, the transmission nut is connected with side clamping plate.
A kind of foregoing symmetrical expression spring constant force suspension and support, it is characterized in that：Pin, the pin are additionally provided with the framework
It is connected by screw thread with framework, the larger end end face of reel diameter of section is provided with blind hole, and the pin is blind for inserting reel
Hole limits reel along central axis.
A kind of foregoing symmetrical expression spring constant force suspension and support, it is characterized in that：The rope groove cross-section is semicircular arc, the rope
Slot cross-section diameter is more than rope diameter of section.
A kind of foregoing symmetrical expression spring constant force suspension and support, it is characterized in that：Framework upper end middle is additionally provided with suspension hook.
A kind of foregoing symmetrical expression spring constant force suspension and support, it is characterized in that：The screw-bearing is angle thrust bearing.
The beneficial effect that the present invention is reached：
1. pull rope, when the intersection of rope and reel is located at drum diameter small end, rope turns to reel
Kinetic moment (i.e. reel radius) is shorter, but the torsion spring torque now between central shaft and reel is also smaller, pulls on rope, when
When the intersection of rope and reel is located at drum diameter larger end, rotating torque increase, but now the moment of torsion of torsion spring also increases, and two
Person cancels out each other.Due to being connected between central shaft and reel by bearing, frictional force can be ignored, real by said process
Now this, which hangs power of the support during tubing sections, can keep constant.
2. the present invention can ensure suspension and support in normal use mistake using mobile sheave group and fixed conductor rope wheel group structure
Cheng Zhong, no matter tubing sections to which kind of position, the center held hanging object connection end and be in suspension and support lower end of rope will not
There is the phenomenon of suspension and support skew because the level of stretch of rope is different.
3. when tubing sections, the intersection of rope and reel can move axially along reel, because the rotation of reel can
Drive screw rod to rotate, then drive mobile sheave group to follow the intersection of rope and reel to move；When rope is received around to reel
When, can equally drive the movement of mobile sheave group in the horizontal direction, so as to ensure rope move into and lay out will not be inclined
From grooving.The sheave of mobile sheave group and fixed sheave group rotates along central shaft in the course of the work in the present invention,
Frictional force is smaller, and due to using rolling friction between rope and sheave, therefore rope will not wear, and can avoid rope
Wear phenomenon occurs for stretching repeatedly.
4. sheave is arranged in pairs, circular port is formed in two sheaves, when rope passes through the hole, even if rope occurs
Certain skew can still ensure that rope contacts with the effective of sheave, on the one hand prevent rope from being slided with miscellaneous part
Friction, rope is protected, on the other hand also ensure that the stability of the power output of constant supporting spring hanger.
5. in transport or installation process, the pin set on framework is entered into the blind hole of reel side by threaded,
When can avoid spool turns, the phenomenon of grooving is deviateed because of line relaxation.
6. the present invention uses pure mechanic structure, technique and material requirements be not high, is easy to marketing.
Brief description of the drawings
Fig. 1 is the general structure schematic diagram of the present invention；
Fig. 2 is the fixation sheave group structural representation of the present invention；
Fig. 3 is the mobile sheave group structural representation of the present invention；
Fig. 4 is reel and central shaft opposite end groove structure schematic diagram of the present invention；
The implication identified in accompanying drawing：1- suspension hooks；2- frameworks；3- central shafts；4- fixed plates；5- ropes；6- moves sheave
Group；7- fixes sheave group；8- reels；9- torsion springs；10- reel bearings；11- pins；12- reel gears；13- screw rods；14- spiral shells
Rod bearing；15- groovings；16- screw gears；17- sheaves；18- clamping plates；19- transmission nuts；20- grooves.
Embodiment
The invention will be further described below in conjunction with the accompanying drawings.Following examples are only used for clearly illustrating the present invention
Technical scheme, and can not be limited the scope of the invention with this.
As shown in figure 1, a kind of symmetrical expression spring constant force suspension and support, including framework 2, the truncated cone-shaped reel in framework 2
8th, spiral is arranged at the grooving 15 of the circular conical surface of reel 8, horizontal positioned central shaft 3, torsion spring 9, rope 5 and positioned at the lower section of rope 5
Guide rope device；The initiating terminal of rope 5 is fixed at the grooving 15 at the larger end of the diameter of section of reel 8, along grooving 15 around to volume
8 diameter of section small ends of cylinder, through guide rope device, the end of rope 5 is connected with holding hanging object；The reel 8 is along central axial direction
Provided with central through hole, the central through hole both ends are provided with reel bearing 10, and the central shaft 3 passes through central through hole, the reel 8
It is fixed on by reel bearing 10 on central shaft 3, the central shaft 3 is fixed on by the both ends fixed plate 4 positioned at the outside of framework 2
On framework 2；Opposite end of the one end of the lateral surface of central shaft 3 with the central through hole medial surface of reel 8 vertically, which is equipped with, to be connected
The groove 20 of torsion spring 9, the torsion spring 9 are located at the gap location central shaft 3 and the central through hole of reel 8, torsion spring through central shaft 3
9 one end connect the groove of central shaft 3, and the other end connects the groove 20 of reel 8.
The guide rope device includes mobile sheave group 6 and fixed sheave group 7, and the mobile sheave group 6 passes through spiral shell
Line is connected with the screw rod 13 being horizontally fixed on framework, and described one end of screw rod 13 is provided with screw gear 16, and the both ends of screw rod 13 pass through
Screw-bearing 14 is fixed in the side wall of framework 2, and the reel 8 is provided with reel on the outside of the reel of the larger end end of diameter of section
Gear 12, the screw gear 16 engage with reel gear 12, and the fixed sheave group 7 is located at the bottom middle of framework 2, Gu
Determining sheave group 7 can avoid the phenomenon of suspension and support skew occur because the level of stretch of rope 5 is different.
As Figure 2-3, the mobile sheave group 6 includes two conductor ropes placed side by side with fixed sheave group 7
Wheel 17, the sheave 17 is built among two clamping plates 18, and the mobile sheave group 6 also includes the transmission being connected with screw rod 13
Nut 19, the transmission nut 19 are connected with side clamping plate 18.Sheave is arranged in pairs, and circular port is formed in two sheaves,
When rope 5 passes through the hole, even if rope 5 occurs certain skew and can still ensure that rope 5 connects with the effective of sheave 17
Touch, on the one hand prevent rope 5 from sliding friction occurs with miscellaneous part, protect rope 5, on the other hand also ensure that constant supporting spring hanger
Output stability.
Pin 11 is additionally provided with the framework 2, the pin 11 is connected by screw thread with framework 2, and the section of reel 8 is straight
The larger end end face in footpath is provided with blind hole, and the pin 11 rotates for inserting the blind hole of reel 8 limitation reel 8 along central shaft 3.Transporting
Or in installation process, the pin 11 set on framework 2 is entered into the blind hole of reel side by threaded, can avoid reel 8
During rotation, deviate the phenomenon of grooving 15 because rope 5 relaxes
As shown in figure 4, the section of grooving 15 is semicircular arc, it is straight that the diameter of section of grooving 15 is more than the section of rope 5
Footpath, during rope is drawn in and is pulled out, this kind is designed to prevent rope 5 from slipping from grooving 15.
The upper end middle of framework 2 is additionally provided with suspension hook 1, for being connected with structure-steel framing etc..
The screw-bearing 14 is angle thrust bearing.Screw rod 13 in the course of the work, can act on screw rod due to rope 5
5 axially produce certain axial force, and when load-bearing material mass conservation, axial force is maximum when mobile sheave group is in both ends.Adopt
With angle thrust bearing connecting screw 13 and framework 2, above-mentioned axial force can be effectively offset, extends its service life.
Support is originally hung in use, first passing through suspension hook 1 and fixing, pulls the connection of rope 5 to hold hanging object, when the friendship of rope 5 and reel 8
When being located at 8 diameter small end of reel at boundary, rope 5 is shorter to the rotating torque (i.e. reel radius) of reel 8, but now central shaft
Because rotational angle is little, moment of torsion is smaller for torsion spring 9 between 3 and reel 8；Rope 5 is pulled on, when the friendship of rope 5 and reel 8
When being relatively large in diameter end positioned at reel 8 at boundary, rotating torque increase, but now torsion spring 9 has rotated a few, and the moment of torsion of torsion spring 9 also increases,
The two is cancelled out each other.This hang support rope 5 it is constantly flexible during, rope torque is continually changing simultaneously, the moment of torsion of torsion spring 9
Changing, so as to realize holding hanging object connection end pulling force and can realizing balance for rope 5.In the drawing process of rope 5, due to torsion spring
Moment of torsion caused by 9 is ultimately applied on central shaft 3, the fixed plate 4 outside framework 2 can effective fixed center axis 3, prevent
Central shaft 3 rotates.
During rope 5 is stretched, the intersection occurred level of rope 5 and reel 8 moves, while reel 8 rotates
Screw gear 16 is driven to rotate by the reel gear 12 of end, transmission nut 19 drives screw rod 13 to rotate, so as to drive movement
Sheave group 6 follows the intersection of rope 5 and reel 8 to move in the horizontal direction, avoids rope 5 from being skidded off from grooving 15.Rope 5
Rotate friction during drawing in and pulling out with the sheave 17 of fixed sheave group 7, mobile sheave group 6, rope 5
Wear extent is smaller.
Described above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, without departing from the technical principles of the invention, some improvement and deformation can also be made, these are improved and deformation
Also it should be regarded as protection scope of the present invention.
Claims (7)
- A kind of 1. symmetrical expression spring constant force suspension and support, it is characterised in that：Truncated cone-shaped volume including framework (2), in framework (2) Cylinder (8), spiral be arranged at the grooving (15) of reel (8) circular conical surface, horizontal positioned central shaft (3), torsion spring (9), rope (5) and Guide rope device below rope (5)；Rope (5) initiating terminal is fixed on the grooving at reel (8) the larger end of diameter of section (15) place, along grooving (15) around to reel (8) diameter of section small end, through guide rope device, rope (5) end is with holding hanging object phase Even；The reel (8) is provided with central through hole along central axial direction, and the central through hole both ends are provided with reel bearing (10), institute State central shaft (3) and pass through central through hole, the reel (8) is fixed on central shaft (3) by reel bearing (10), the center Axle (3) is fixed on framework (2) by the both ends fixed plate (4) on the outside of framework (2)；Central shaft (3) lateral surface Opposite end of the one end with reel (8) central through hole medial surface vertically is equipped with the groove (20) for being connected torsion spring (9), the torsion spring (9) it is located at the gap location central shaft (3) and reel (8) central through hole through central shaft (3), in the connection of torsion spring (9) one end The groove of mandrel (3), the groove (20) of other end connection reel (8).
- 2. a kind of symmetrical expression spring constant force suspension and support according to claim 1, it is characterized in that：The guide rope device includes moving Dynamic sheave group (6) and fixed sheave group (7), the mobile sheave group (6) is by screw thread and is horizontally fixed on framework Screw rod (13) connection, described screw rod (13) one end is provided with screw gear (16), and screw rod (13) both ends pass through screw-bearing (14) It is fixed in framework (2) side wall, the reel (8) is provided with reel gear on the outside of the reel of the larger end end of diameter of section (12), the screw gear (16) is engaged with reel gear (12), and the fixed sheave group (7) is located in framework (2) bottom Between locate.
- 3. a kind of symmetrical expression spring constant force suspension and support according to claim 2, it is characterized in that：The mobile sheave group (6) two sheaves (17) placed side by side are included with fixed sheave group (7), the sheave (17) is built in two clamping plates (18) among, the mobile sheave group (6) also includes the transmission nut (19) being connected with screw rod (13), the transmission nut (19) it is connected with side clamping plate (18).
- 4. a kind of symmetrical expression spring constant force suspension and support according to claim 1, it is characterized in that：Also set on the framework (2) There is pin (11), the pin (11) is connected by screw thread with framework (2), and the larger end end face of reel (8) diameter of section is set There is blind hole, the pin (11) is used to insert reel (8) blind hole limitation reel (8) along central shaft (3) rotation.
- 5. a kind of symmetrical expression spring constant force suspension and support according to claim 1, it is characterized in that：Grooving (15) section is Semicircular arc, grooving (15) diameter of section are more than rope (5) diameter of section.
- 6. a kind of symmetrical expression spring constant force suspension and support according to claim 1, it is characterized in that：In framework (2) upper end Between place be additionally provided with suspension hook (1).
- 7. a kind of symmetrical expression spring constant force suspension and support according to claim 2, it is characterized in that：The screw-bearing (14) is Angle thrust bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710858534.1A CN107477260A (en) | 2017-09-21 | 2017-09-21 | A kind of symmetrical expression spring constant force suspension and support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710858534.1A CN107477260A (en) | 2017-09-21 | 2017-09-21 | A kind of symmetrical expression spring constant force suspension and support |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107477260A true CN107477260A (en) | 2017-12-15 |
Family
ID=60585587
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710858534.1A Pending CN107477260A (en) | 2017-09-21 | 2017-09-21 | A kind of symmetrical expression spring constant force suspension and support |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107477260A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU200259U1 (en) * | 2020-05-25 | 2020-10-14 | Николай Иванович Хабрат | Drum |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1486056A (en) * | 1974-06-11 | 1977-09-14 | Ferodo Sa | Winding cables and the like on to storage drums |
| CN101507871A (en) * | 2009-03-27 | 2009-08-19 | 华中师范大学 | Constant-force chest developer |
| CN102232753A (en) * | 2010-04-27 | 2011-11-09 | 赖洪霞 | Pillow bracket capable of lifting automatically |
| CN203319609U (en) * | 2013-05-16 | 2013-12-04 | 宝鸡石油机械有限责任公司 | Mechanical automatic rope arrangement device |
| CN203740774U (en) * | 2014-03-27 | 2014-07-30 | 湖南科美达电气股份有限公司 | Constant torque tube coiling device |
| CN206172694U (en) * | 2016-07-20 | 2017-05-17 | 上海精卫电子有限公司 | Arrange cable winch |
-
2017
- 2017-09-21 CN CN201710858534.1A patent/CN107477260A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1486056A (en) * | 1974-06-11 | 1977-09-14 | Ferodo Sa | Winding cables and the like on to storage drums |
| CN101507871A (en) * | 2009-03-27 | 2009-08-19 | 华中师范大学 | Constant-force chest developer |
| CN102232753A (en) * | 2010-04-27 | 2011-11-09 | 赖洪霞 | Pillow bracket capable of lifting automatically |
| CN203319609U (en) * | 2013-05-16 | 2013-12-04 | 宝鸡石油机械有限责任公司 | Mechanical automatic rope arrangement device |
| CN203740774U (en) * | 2014-03-27 | 2014-07-30 | 湖南科美达电气股份有限公司 | Constant torque tube coiling device |
| CN206172694U (en) * | 2016-07-20 | 2017-05-17 | 上海精卫电子有限公司 | Arrange cable winch |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU200259U1 (en) * | 2020-05-25 | 2020-10-14 | Николай Иванович Хабрат | Drum |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20171215 |
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| RJ01 | Rejection of invention patent application after publication |