CN202441792U - Tension spring anti-drop type polyurethane buffer - Google Patents
Tension spring anti-drop type polyurethane buffer Download PDFInfo
- Publication number
- CN202441792U CN202441792U CN2012200476122U CN201220047612U CN202441792U CN 202441792 U CN202441792 U CN 202441792U CN 2012200476122 U CN2012200476122 U CN 2012200476122U CN 201220047612 U CN201220047612 U CN 201220047612U CN 202441792 U CN202441792 U CN 202441792U
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- CN
- China
- Prior art keywords
- extension spring
- tension spring
- hole
- polyurethane elastomer
- decorative cover
- 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.)
- Expired - Fee Related
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Abstract
The utility model relates to a buffer, in particular to a tension spring anti-drop type polyurethane buffer. The tension spring anti-drop type polyurethane buffer is characterized in that a central hole is formed in a mounting bottom plate (2); the lower end of the central hole is provided with a conical hole; an end cover (3) is arranged in the central hole; a steel reinforcement framework (9) is welded on the mounting bottom plate (2) and is cast with a polyurethane elastomer (5) together; a fixing ring (4) is sleeved into an upper cover ring (6); the mounting bottom plate (2) and the fixing ring (4) are connected together through an inner hexagon screw (1); a tension spring (8) is arranged in an inner cavity of the polyurethane elastomer (5); one end of a tension spring (8) is connected with a gasket (7) on the top of an inner cavity of the upper cover ring (6); and the other end of the tension spring (8) is connected with the end cover (3). The tension spring anti-drop type polyurethane buffer is simple in structure, quick and convenient to mount and stable and reliable in operation. Due to the design of the tension spring, the upper cover ring can be guaranteed to be always tightly contacted with the polyurethane elastomer, and the gasket on the top of the inner cavity of the upper cover ring stretches into the hole of the polyurethane elastomer to play a positioning role, so that friction between the upper cover ring and the fixing ring is avoided; and moreover, the upper cover ring can always keep an accurate and stable posture, therefore, the buffering capacity is improved.
Description
Technical field
The utility model relates to a kind of buffer, more specifically to a kind of extension spring loose-prevention type polyurethane bumper absorber.
Background technique
Thereby buffer is a kind ofly to slow down impact, absorb to transform the protection work that collision energy plays the safety protection effect, has been widely used in industries such as lifting, transportation, mining industry, harbour, smelting, boats and ships.Polyurethane bumper absorber is to utilize high scalability that foaming polyurethanes elastomer self had and the micropore bubble structure that gathers wherein to absorb impact kinetic energy, and its foam structure is equivalent to miniature air bag spring one by one.That polyurethane bumper absorber has is simple in structure, easy for installation, in light weight, non-maintaining, shock-resistant, absorb that energy is big, corrosion-resistant, noise is little, insulation explosion-proof, restorative advantage such as good; But because polyurethane is a kind of macromolecule polymeric material; Have anti-aging power poor, not UV resistant, deficiency such as high-and low-temperature resistance not again, make polyurethane bumper absorber receive some restrictions in the application at environment places such as iron and steel enterprise and harbour.In order to remedy these deficiencies; All generally be employed in next heat insulation, the obstruct ultraviolet irradiation of overcoat that polyurethane adds iron and steel matter at present in the domestic enterprise; This overcoat also is simultaneously the bearing surface of bump, and in order to prevent coming off of overcoat, is connected with wire rope between overcoat and the installation base plate; This kind structural type is called as safety rope formula polyurethane bumper absorber, exists too very inconvenience, long-term stability in use and the low defective of reliability are installed.
The model utility content
The technical problem that the utility model will solve is: a kind of extension spring loose-prevention type polyurethane bumper absorber is provided; Thereby minimizing alleviates the harmful effect that the performance of polyurethane elastomer is caused because of the welding heating in that welding capacity on the base plate is installed; Being provided with extension spring between last decorative cover and the end cap is connected; The simple installation of extension spring also can not deviate from extension spring from the two ends shackle, guarantees the long-term reliability that uses of the utility model.
The utility model comprises socket head screw, installation base plate, end cap, retainer ring, polyurethane elastomer, goes up decorative cover, packing ring, extension spring, Framework Of Steel Reinforcement; Its characteristics are: on the installation base plate, be provided with center hole; The center hole lower end is a taper hole, and end cap is housed in center hole.Install on the base plate and be welded with Framework Of Steel Reinforcement, and cast in polyurethane elastomer, retainer ring is inserted in the loam cake circle, and the employing socket head screw will base plate be installed and retainer ring links together.In the middle of the polyurethane elastomer is through hole, in its through hole extension spring is housed, and an end of extension spring is connected with the packing ring at last decorative cover inner chamber top, and its other end is connected with end cap.
The utility model has the advantages that: simple in structure, install quick and convenient.Work operates steadily reliable; The spring of design can guarantee that decorative cover remains with the tight of polyurethane elastomer and contact; And the Kong Zhongneng that the packing ring of going up decorative cover inner chamber top stretches into polyurethane elastomer plays positioning action, avoided rubbing between last decorative cover and the retainer ring.Last decorative cover can keep correct stable attitude from start to finish, and is helpful to improving shock-absorbing capacity.Welding capacity is few, is therefore produced by the welding heating polyurethane material performance destruction has also just been alleviated.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the utility model is done further explain.
Fig. 1 is the structure cross-sectional schematic of the utility model extension spring loose-prevention type polyurethane bumper absorber;
Fig. 2 is the plan view of Fig. 1;
Fig. 3 is the structure enlarged diagram of Framework Of Steel Reinforcement 9 among Fig. 1;
Fig. 4 is the plan view of Fig. 3;
Fig. 5 is the enlarged front view of end cap 3 among Fig. 1;
Fig. 6 looks sectional view for the left side of Fig. 5;
Fig. 7 is the plan view of Fig. 5;
Fig. 8 goes up decorative cover 6 structure enlarged diagrams among Fig. 1;
Fig. 9 is Fig. 8 cover plate 17 schematic representation;
Figure 10 is the plan view of Fig. 9;
Figure 11 is Fig. 8 middle cover sleeve-board 18 schematic representation;
Figure 12 is the plan view of Figure 11.
Embodiment
In Fig. 8,9,10,11,12: go up decorative cover 6 and be welded by cover plate 17 and cover plate cover 18; Be welded with packing ring 7 in the middle of the last decorative cover 6 inner chamber top blind flange 17; The external diameter of packing ring 7 and cover plate 17 welding, its effect is: making the hole on the packing ring 7 is the hook hole of extension spring 8 one ends.Cover plate 17 is step-like cylindrical, and cover plate cover 18 is step-like through hole, and cover plate 17 overlaps 18 internal diameters from cover plate and passes, and the step on the step-like cylindrical and cover plate cover 18 on the cover plate 17 is coincide, and then welding.
In Fig. 1,2,3,4,5,6,7: install on the base plate 2 and be welded with Framework Of Steel Reinforcement 9, play the support and connection effect.Framework Of Steel Reinforcement 9 is welded by annulus 11 and strut 12; Annulus 11 all adopts
reinforcing bar with strut 12; Annulus 11 is welded by reinforcing bar, all welds 4 struts 12 below the annulus 11.Base plate 2 will be installed and Framework Of Steel Reinforcement 9 casts in polyurethane elastomer 5.In the middle of the polyurethane elastomer 5 is through hole, and extension spring 8 is housed in its through hole, can play the effect of guiding constraint extension spring 8.The installed load design load of extension spring 8 is the weight of last decorative cover 6; Can guarantee that like this extension spring 8 can not deviate from from two ends hooks; Make the packing ring 7 of top of chamber in the decorative cover 6 keep the pulling force restriction to go up decorative cover 6 moving aspect radially with extension spring 8 always; Can not occur insuring and go up the crooked phenomenon of rocking of decorative cover in the rope-like structure, the complete like this reliability that can guarantee the long-term use of this model utility.Be provided with center hole in the middle of base plate 2 is installed, the center hole lower end is a taper hole, and end cap 3 is housed in the center hole.End cap 3 is step-like; Its step 13 outer surfaces are the conical surface; Step 14 is cylindrical, and its effect is: step 14 cylndrical surface, step 13 conical surfaces are coincide with center hole, the taper hole installed on the base plate 2 respectively, and the place, slit of taper hole on the installation base plate 2 and end cap 3 implements spot welding.Step 15 is a rectangular, and step 15 is provided with hook hole 16, and the effect of hook hole 16 is: make the hook hole of hook hole 16 for the other end of extension spring 8.
The utility model is to install like this: at first base plate 2 will be installed and Framework Of Steel Reinforcement 9 casts in polyurethane elastomer 5.One end of extension spring 8 hangs in the hole of top of chamber packing ring 7 in the decorative cover 6; The other end of extension spring 8 is fixed rope, and the auxiliary spring that elongates makes extension spring 8 get into polyurethane elastomer 5 through holes in company with last decorative cover 6 then; By rope retainer ring 4 is inserted in decorative cover 6; To go up decorative cover 6 by press machine and press down, the stroke that presses down is greater than 5% of the original height of polyurethane elastomer 5, because the restoring degree of polyurethane elastomer 5 is 95% of an original height; Tighten socket head screw 1 then retainer ring 4 is in place, will install again between base plate 2 and the retainer ring 4 and carry out spot welding.By rope extension spring 8 is elongated, and pull out outside the taper hole that base plate 2 is installed, the other end of extension spring 8 is inserted on the hook hole 16 of end cap 3; Rope comes up; End cap 3 is packed under the effect of spring 8 and is installed in the taper hole of base plate 2, then the taper hole of installation base plate 2 and the place, slit of end cap 3 is implemented spot welding, and spot welding is polished flat; Install, base plate 2 will be installed at last be connected with the anti-collision protection device of crane facility through hole 10.
Generally speaking the utility model is simple, installs quick and conveniently, and work operates steadily reliable.When external impact is applied to 6 last times of decorative cover, polyurethane elastomer 5 is compressed length to be reduced counteragent and strengthens gradually, the buffer function performance, and extension spring 8 shrinks; After external impact was withdrawn, polyurethane elastomer 5 restored to the original state gradually, and last decorative cover 6 resets, and extension spring 8 is elongated once more.Even the recovery rate of polyurethane elastomer 5 does not reach 95%, extension spring 8 also can make decorative cover 6 remain the state of being close to polyurethane elastomer 5, can guarantee the utility model long-term use reliable and stable.
Claims (3)
1. extension spring loose-prevention type polyurethane bumper absorber; Comprise socket head screw (1), installation base plate (2), end cap (3), retainer ring (4), polyurethane elastomer (5), go up decorative cover (6), packing ring (7), extension spring (8), Framework Of Steel Reinforcement (9); It is characterized in that: on installation base plate (2), be provided with center hole; The center hole lower end is a taper hole, and end cap (3) is housed in center hole; Install on the base plate (2) and be welded with Framework Of Steel Reinforcement (9), and cast in polyurethane elastomer (5), retainer ring (4) is inserted in decorative cover (6), adopts socket head screw (1) that base plate (2) will be installed and links together with retainer ring (4); In the middle of the polyurethane elastomer (5) is through hole, and extension spring (8) is housed in its through hole, and an end of extension spring (8) is connected with the packing ring (7) of the interior top of chamber of last decorative cover (6), and its other end is connected with end cap (3).
2. extension spring loose-prevention type polyurethane bumper absorber according to claim 1 is characterized in that: go up decorative cover (6) and be welded by cover plate (17) and cover plate cover (18), be welded with packing ring (7) in the middle of last decorative cover (6) the inner chamber top blind flange (17).
3. extension spring loose-prevention type polyurethane bumper absorber according to claim 1; It is characterized in that: end cap (3) is for step-like, and its step (13) outer surface is the conical surface, and step (14) is cylindrical; Step (15) is a rectangular, and step (15) is provided with extension spring hook hole (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200476122U CN202441792U (en) | 2012-02-14 | 2012-02-14 | Tension spring anti-drop type polyurethane buffer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200476122U CN202441792U (en) | 2012-02-14 | 2012-02-14 | Tension spring anti-drop type polyurethane buffer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202441792U true CN202441792U (en) | 2012-09-19 |
Family
ID=46823244
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200476122U Expired - Fee Related CN202441792U (en) | 2012-02-14 | 2012-02-14 | Tension spring anti-drop type polyurethane buffer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202441792U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114810939A (en) * | 2022-05-09 | 2022-07-29 | 云南电网有限责任公司电力科学研究院 | Electrical equipment damping device |
-
2012
- 2012-02-14 CN CN2012200476122U patent/CN202441792U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114810939A (en) * | 2022-05-09 | 2022-07-29 | 云南电网有限责任公司电力科学研究院 | Electrical equipment damping device |
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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: 20120919 Termination date: 20150214 |
|
| EXPY | Termination of patent right or utility model |