CN203743273U - Double-coupling-spring pretightening force adjusting device - Google Patents
Double-coupling-spring pretightening force adjusting device Download PDFInfo
- Publication number
- CN203743273U CN203743273U CN201420139454.2U CN201420139454U CN203743273U CN 203743273 U CN203743273 U CN 203743273U CN 201420139454 U CN201420139454 U CN 201420139454U CN 203743273 U CN203743273 U CN 203743273U
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- spring
- pretightening force
- bracket
- moving
- spring bracket
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Abstract
The utility model relates to a double-coupling-spring pretightening force adjusting device. The device is structurally characterized in that two spiral springs identical in structure are symmetrically mounted in a moving frame in a serial-connection manner, a pretightening force adjusting screw sleeve is arranged between the spiral springs, internal threaded holes identical in size and opposite in rotating direction are arranged at the left end and the right end of the pretightening force adjusting screw sleeve, and adjusting of double-coupling-spring pretightening force is realized by rotating the pretightening force adjusting screw sleeve to change compression displacement of the spiral springs; a pointer is fixed on a spring retainer adjusting support, and the pointer and a graduated scale disc fixed on the moving frame form a pretightening force adjusting scale. The double-coupling-spring pretightening force adjusting device is compact in structure and convenient to use, adjusting of the double-coupling-spring pretightening force can be realized without replacing parts, using range of a double-coupling-spring mechanism is widened, and adaptability is improved.
Description
Technical field
The utility model relates to a kind of regulating device, specifically, relates to a kind of two coupling spring pretightening force regulating device.
Background technique
Two coupling spring mechanism, because adopting helical spring to carry out elasticity loading, therefore can avoid the impact of load in pilot system exciting device exciting commutation process, and its physical dimension compactness, therefore be often applied in pilot system exciting load maintainer.In pair coupling spring mechanism, two helical spring positions are relatively fixing at present, and initial tension of spring cannot regulate, and in the time needing different initial tension of spring because of test requirements document, must change spring and ressemble just and can realize.
Summary of the invention
For solving the problems of the technologies described above, the utility model provides a kind of two coupling spring pretightening force regulating device.
Goal of the invention of the present utility model is achieved through the following technical solutions: a kind of two coupling spring pretightening force regulating devices, it is characterized in that: symmetrical two helical springs that structure is identical that are installed in series in movable frame, between two helical springs, be provided with pretightening force and adjust swivel nut, it is measure-alike that described pretightening force is adjusted two ends, swivel nut left and right, the interior threaded hole that rotation direction is contrary, the left side of matching moves that spring bracket is adjusted bearing and the right spring bracket of moving is adjusted outside thread measure-alike on bearing diaxon but that rotation direction is contrary, the left side spring bracket of moving is adjusted bearing and the right side spring bracket of moving and is adjusted bearing by a left side move spring bracket and the right side move spring bracket extruding left hand screw spring and right-hand screw spring, move on left side spring bracket and left determine between latch bracket of described left hand screw spring fitting, move on right side spring bracket and right determine between latch bracket of right-hand screw spring fitting, latch bracket is determined on a described left side, the right side is determined latch bracket and is bolted on respectively on movable frame left side plate, a left side move spring bracket adjust groove that bearing and the right spring bracket of moving adjust bearing upper end all with the protruding Spielpassung of movable frame upper cross plate lower surface, the right side spring bracket of moving is adjusted on bearing and is fixed a pointer, pointer forms pretightening force adjustment scale with the calibrated scale dish being fixed on movable frame lower cross plate, and calibrated scale dish high scale is symmetrical centered by zeromark, lever right-hand member is connected with exciting device output shaft, and lever is through movable frame right sideboard endoporus and right determine latch bracket endoporus, coordinates also fastening with the right side spring bracket endoporus of moving.
Adjust in swivel nut intermediate circumference direction and evenly offer some circular holes in pretightening force, can adopt in straight pin patchhole it is rotated.
The beneficial effects of the utility model: the utility model adopts said structure, adjust scale according to initial tension of spring, adjust swivel nut by rotation pretightening force, change left hand screw spring and the displacement of right-hand screw spring-compressed, and compression displacement is equal, thereby realize the adjustment of left and right helical spring pretightening force; This apparatus structure compactness, easy to use, without changing movable frame size, can realize the adjusting of dual spring pretightening force, expands the using scope of Liao Shuan coupling spring mechanism, has improved adaptability.
Brief description of the drawings
Fig. 1 is the utility model structural drawing.
Fig. 2 is the A-A sectional view of Fig. 1.
In figure, 1. calibrated scale dish 2. pointer 3. levers 4. are right determine latch bracket 5. movable frame 6. right-hand screw spring 7. right sides spring bracket 8. right sides spring bracket of moving of moving and adjusts bearing 9. pretightening forces and adjust the swivel nut 10. left sides spring bracket of moving and adjust spring bracket 12. left hand screw springs 13. left sides of moving, bearing 11. left sides and determine latch bracket 14. output shafts.
Embodiment
As shown in Figure 1, lever 3 right-hand members are connected with exciting device output shaft, lever 3 is determined latch bracket 4 endoporus through movable frame 5 right sideboard endoporus and the right side, coordinate and fastening with right side spring bracket 7 endoporus of moving, right determine on left surface that latch bracket 4 is bolted on movable frame 5 right sideboards, the right side move spring bracket 7 and the right right-hand screw spring 6 of determining to install between latch bracket 4 certain precompression, the right side move spring bracket 7 and the right side move spring bracket adjust bearing 8 right flanks be bolted fixing together with, the right side spring bracket of moving is adjusted the groove of bearing 8 upper ends and the protruding Spielpassung of movable frame 5 upper cross plate lower surfaces, ensure the right side move spring bracket adjust bearing 8 can only be along movable frame 5 horizontal rectilinear motions, can not rotate, pointer 2 is fixed on the right side and moves on spring bracket adjustment bearing 8, pointer 2 forms pretightening force adjustment scale with the calibrated scale dish 1 being fixed on movable frame 5 lower cross plates, calibrated scale dish 1 high scale is symmetrical centered by zeromark, moving in the right side, spring bracket is adjusted bearing 8 left end shaft and pretightening force is adjusted swivel nut 9 right-hand member interior threaded hole screw-thread fit, it is measure-alike that pretightening force is adjusted swivel nut 9 two ends, left and right interior threaded holes, rotation direction is contrary, rotate for convenience pretightening force and adjust swivel nut 9, adjust in spiral shell 9 intermediate circumference directions and evenly offer some circular holes in pretightening force, can adopt straight pin to insert in circular hole is rotated it, pretightening force is adjusted swivel nut 9 left end interior threaded holes and the left side spring bracket adjustment bearing 10 right-hand member male threads of moving and is coordinated, the left side spring bracket of moving is adjusted the groove of bearing 10 upper ends and the protruding Spielpassung of movable frame 5 upper cross plate lower surfaces, ensure a left side move spring bracket adjust bearing 10 can only be along movable frame 5 horizontal rectilinear motions, can not rotate, the left side spring bracket of moving is adjusted bearing 10 left surfaces and the left side spring bracket 11 of moving and is bolted and is fixed together, left determine on right flank that latch bracket 13 is bolted on movable frame 5 left sideboards, a left side move spring bracket 11 and the left left hand screw spring 12 of determining to install between latch bracket 13 certain precompression, output shaft 14 is fixed on the left surface of movable frame 5 left sideboards, pretightening force is adjusted in the part at swivel nut 9 two ends, left and right, a left side moves that spring bracket adjusts that bearing 10 and the right side move that spring bracket adjusts that the upper outside thread size of bearing 8 diaxon is identical but thread rotary orientation is contrary, left hand screw spring 12 and right-hand screw spring 6 sizes are all identical with rotation direction, left hand screw spring 12 and right-hand screw spring 6, left side spring bracket 11 and the right side spring bracket 7 of moving of moving, the left side spring bracket of moving is adjusted bearing 10 and the right side and is moved that to adjust bearing 8 all symmetrical centered by pretightening force is adjusted swivel nut 9 for spring bracket.
Lever 3 is during to left movement, lever 3 promotes right side spring bracket 7 and the right side spring bracket of moving of moving and adjusts bearing 8 and move to left, right-hand screw spring 6 extends, spring bracket adjustment bearing 8 is moved through pretightening force adjustment swivel nut 9 in the right side, promoting the left side spring bracket of moving adjusts bearing 10 and the left side spring bracket 11 of moving and moves to left, left hand screw spring 12 compresses, and left hand screw spring 12 compression strokes and right-hand screw spring 6 extended travels equate, left hand screw spring 12 promotes movable frame 5 to left movement, when lever 3 moves right, lever 3 pulls right side spring bracket 7 and the right side spring bracket of moving of moving to adjust bearing 8 and move to right, right-hand screw spring 6 is compressed, spring bracket adjustment bearing 8 is moved through pretightening force adjustment swivel nut 9 in the right side, pull the left side spring bracket of moving to adjust bearing 10 and the left side spring bracket 11 of moving and move to right, left hand screw spring 12 extends, and left hand screw spring 12 extended travels and right-hand screw spring 6 compression strokes equate, right-hand screw spring 6 promotes movable frame 5 and moves right.
When two coupling spring mechanism assembling, need apply certain precompression to left hand screw spring 12 and right-hand screw spring 6.At not imposed load of lever 3, left, under right-hand screw spring assembling original state, pointer 2 aligns with zeromark on calibrated scale dish 1, in the time that required initial tension of spring is greater than assembling precompression, rotation pretightening force is adjusted swivel nut 9, the left side spring bracket of moving is adjusted bearing 10 and is promoted the left side spring bracket 11 of moving and move to left, the right side spring bracket of moving is adjusted bearing 8 and is promoted the right side spring bracket 7 of moving and move to right, in the time that required initial tension of spring is less than assembling precompression, counterrotating pretightening force is adjusted swivel nut 9, the left side spring bracket of moving is adjusted bearing 10 and is pulled the left side spring bracket 11 of moving to move to right, the right side spring bracket of moving is adjusted bearing 8 and is pulled the right side spring bracket 7 of moving to move to left, change left hand screw spring 12 and right-hand screw spring 6 compression strokes, and compression stroke equates, pointer 1 indicates registration to be adjustment displacement, indicate registration to be multiplied by the initial tension of spring size that spring rate can be adjusted according to pointer 1, two initial tension of spring sizes after can adjusting according to assembling precompression.
Claims (2)
1. a two coupling spring pretightening force regulating device, it is characterized in that: symmetrical two helical springs that structure is identical that are installed in series in movable frame, between two helical springs, be provided with pretightening force and adjust swivel nut, it is measure-alike that described pretightening force is adjusted two ends, swivel nut left and right, the interior threaded hole that rotation direction is contrary, the left side of matching moves that spring bracket is adjusted bearing and the right spring bracket of moving is adjusted outside thread measure-alike on bearing diaxon but that rotation direction is contrary, the left side spring bracket of moving is adjusted bearing and the right side spring bracket of moving and is adjusted bearing by a left side move spring bracket and the right side move spring bracket extruding left hand screw spring and right-hand screw spring, move on left side spring bracket and left determine between latch bracket of described left hand screw spring fitting, move on right side spring bracket and right determine between latch bracket of right-hand screw spring fitting, latch bracket is determined on a described left side, the right side is determined latch bracket and is bolted on respectively on movable frame left side plate, a left side move spring bracket adjust groove that bearing and the right spring bracket of moving adjust bearing upper end all with the protruding Spielpassung of movable frame upper cross plate lower surface, the right side spring bracket of moving is adjusted on bearing and is fixed a pointer, pointer forms pretightening force adjustment scale with the calibrated scale dish being fixed on movable frame lower cross plate, and calibrated scale dish high scale is symmetrical centered by zeromark, lever right-hand member is connected with exciting device output shaft, and lever is through movable frame right sideboard endoporus and right determine latch bracket endoporus, coordinates also fastening with the right side spring bracket endoporus of moving.
2. according to claim 1 pair of coupling spring pretightening force regulating device, is characterized in that: adjust in swivel nut intermediate circumference direction and evenly offer some circular holes in pretightening force, can adopt straight pin to insert in circular hole it is rotated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420139454.2U CN203743273U (en) | 2014-03-26 | 2014-03-26 | Double-coupling-spring pretightening force adjusting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420139454.2U CN203743273U (en) | 2014-03-26 | 2014-03-26 | Double-coupling-spring pretightening force adjusting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203743273U true CN203743273U (en) | 2014-07-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420139454.2U Expired - Fee Related CN203743273U (en) | 2014-03-26 | 2014-03-26 | Double-coupling-spring pretightening force adjusting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203743273U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105020315A (en) * | 2015-08-12 | 2015-11-04 | 辽宁工业大学 | Stiffness adjustment device of double-coupling air spring |
| CN106477275A (en) * | 2015-08-31 | 2017-03-08 | 思科瑞普泰克有限公司 | Device and its installation method of material is divested from belt of belt conveyor |
| CN107327530A (en) * | 2017-08-15 | 2017-11-07 | 安徽理工大学 | A kind of new bidirectional modulation buffer |
| CN108105301A (en) * | 2017-11-06 | 2018-06-01 | 洛阳轴承研究所有限公司 | A kind of rigidity loading system buffer unit and biaxial loadings way to play for time |
| GB2575079A (en) * | 2018-06-28 | 2020-01-01 | R5 Mss Ltd | Suspension adjustment assembly |
| CN113770746A (en) * | 2021-09-18 | 2021-12-10 | 山东交通学院 | Flexible feeding sliding table |
-
2014
- 2014-03-26 CN CN201420139454.2U patent/CN203743273U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105020315A (en) * | 2015-08-12 | 2015-11-04 | 辽宁工业大学 | Stiffness adjustment device of double-coupling air spring |
| CN106477275A (en) * | 2015-08-31 | 2017-03-08 | 思科瑞普泰克有限公司 | Device and its installation method of material is divested from belt of belt conveyor |
| CN106477275B (en) * | 2015-08-31 | 2021-02-12 | 思科瑞普泰克有限公司 | Apparatus for stripping material from belt of belt conveyor and method of installing the same |
| CN107327530A (en) * | 2017-08-15 | 2017-11-07 | 安徽理工大学 | A kind of new bidirectional modulation buffer |
| CN108105301A (en) * | 2017-11-06 | 2018-06-01 | 洛阳轴承研究所有限公司 | A kind of rigidity loading system buffer unit and biaxial loadings way to play for time |
| GB2575079A (en) * | 2018-06-28 | 2020-01-01 | R5 Mss Ltd | Suspension adjustment assembly |
| GB2575079B (en) * | 2018-06-28 | 2021-01-13 | R5 Mss Ltd | Suspension adjustment assembly |
| US11318805B2 (en) | 2018-06-28 | 2022-05-03 | R5 Mss Ltd | Suspension adjustment assembly |
| CN113770746A (en) * | 2021-09-18 | 2021-12-10 | 山东交通学院 | Flexible feeding sliding table |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140730 Termination date: 20150326 |
|
| EXPY | Termination of patent right or utility model |