CN204475869U - Centering vibration absorber and concrete mixer carrier pipe assembly - Google Patents
Centering vibration absorber and concrete mixer carrier pipe assembly Download PDFInfo
- Publication number
- CN204475869U CN204475869U CN201520042214.5U CN201520042214U CN204475869U CN 204475869 U CN204475869 U CN 204475869U CN 201520042214 U CN201520042214 U CN 201520042214U CN 204475869 U CN204475869 U CN 204475869U
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- vibration
- carrier pipe
- retainer
- damped component
- arc surface
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Abstract
The utility model discloses a kind of centering vibration absorber and concrete mixer carrier pipe assembly; Described centering vibration absorber, be connected between carrier pipe outer wall and tube connector inwall, comprise retainer and vibration-damped component, described retainer is hollow unit, the wall of this retainer radially offers more than three vibration damping locating holes, all be equipped with the vibration-damped component that has vibration-damping function in each vibration damping locating hole, vibration-damped component has two arc surfaces, is respectively the first arc surface coordinated with carrier pipe outer wall, the second arc surface coordinated with tube connector inwall; Spacing between vibration-damped component first arc surface, the second arc surface is greater than the hole depth of vibration damping locating hole.It can thus be appreciated that: the utility model significantly reduces the fatigue damage of the braced structures of institute's installation component on carrier pipe braced structures and tube connector; Meanwhile, also improve the safe, convenient of cloth and accuracy, reduce cost of labor during construction.
Description
Technical field
The utility model relates to a kind of centering vibration absorber, the impact of tube connector is passed to for alleviating carrier pipe and carrier pipe, reduce carrier pipe braced structures and be installed on the fatigue damage of other member support structure on tube connector, meanwhile, described vibration absorber has centering function.
The utility model relates to a kind of concrete mixer carrier pipe assembly with centering vibration-damping function, belongs to concrete mixer and manufactures field.
Background technology
At present, concrete mixer on sale on the market, is respectively two classes, wherein the carrier pipe of a class is not equipped with vibration absorber, and therefore, this concrete mixer is when pumping, particularly at turntable place, because carrier pipe is turned more, comparatively anxious, pumping is impacted large, and impact shock is delivered to carrier pipe and supports, be delivered to jib again, thus the fatigue life of jib is reduced greatly, jib and carrier pipe support and easily produce cracking, reduce concrete mixer application life; The carrier pipe of an other class is then equipped with centering vibration absorber as shown in Figure 1 and Figure 2, this centering vibration absorber comprises damping ring 2, retainer 3, locking lobe 4 and locking swivel nut 5, wherein, locking lobe has three lobes at least, be distributed on the periphery of carrier pipe 1, and there is gap between adjacent two lobe locking lobes, between each lobe, leave appropriate gap, to ensure after locking, each lobe is not subject to circumference extruding.When locking screw cover is axially screwed into, promotes several pieces of locking lobes and move along retainer internal taper hole, make locking lobe internal diameter diminish, until the carrier pipe in clamping endoporus simultaneously.In addition, retainer cylindrical is embedded with flexible buffering ring, the shaft hole inner wall connected with turntable, jib contacts, when carrier pipe vibrates, and product elastic compression, thus the object reaching vibration damping.Simultaneously because the outer rim of locking lobe is taper, and the inwall of retainer has the conical inboard wall for locking locking lobe, so product also has centering function; It can thus be appreciated that this location vibration absorber has the deficiencies such as complex structure, cost is high, installation is inconvenient.
Utility model content
The utility model is for the deficiencies in the prior art, and provide a kind of centering vibration absorber, this centering vibration absorber greatly can reduce the fatigue damage of the braced structures of institute's installation component on carrier pipe braced structures and tube connector; Meanwhile, also there is advantage simple and practical, with low cost, easy to assembly.
For realizing above technical purpose, the utility model will take following technical scheme:
A kind of centering vibration absorber, be connected between carrier pipe outer wall and tube connector inwall, comprise retainer and vibration-damped component, described retainer is hollow unit, the wall of this retainer radially offers more than three vibration damping locating holes, all be equipped with the vibration-damped component that has vibration-damping function in each vibration damping locating hole, vibration-damped component has two arc surfaces, is respectively the first arc surface coordinated with carrier pipe outer wall, the second arc surface coordinated with tube connector inwall; Spacing between vibration-damped component first arc surface, the second arc surface is greater than the hole depth of vibration damping locating hole, and carrier pipe outer wall and the first arc surface touch, and tube connector inwall then touches with the second arc surface.
As further improvement of the utility model, the spacing between described first arc surface, the second arc surface is consistent with semidiameter between tube connector inwall, carrier pipe outer wall or slightly larger than semidiameter between tube connector inwall, carrier pipe outer wall.
As further improvement of the utility model, described vibration-damped component is a damping block, and this damping block adopts the material with damping property to make; First arc surface, the second arc surface are respectively damping block and are positioned at two radial end faces.
As further improvement of the utility model, described vibration-damped component comprises inner sleeve, overcoat and flexible member, described inner sleeve, overcoat are semi-enclosed cavity, and the opening end grafting of the opening end of inner sleeve and overcoat, and the two ends of flexible member are interlockingly connected with the blind end of inner sleeve, the blind end of overcoat respectively, meanwhile, exist between the opening end of inner sleeve and the opening end of overcoat and be used for the flexible gap of adjustable elastic element; In addition, all curved setting of the end face outside of described inner sleeve blind end, overcoat blind end.
As further improvement of the utility model, described retainer is annular element; Each vibration damping locating hole uniform setting ringwise that described annular element is offered.
As further improvement of the utility model, described retainer is square retainer, described retainer offers two to symmetrically arranged relative to its center line to perforation respectively along one group opposite side, other one group of opposite side then along its center line offer a pair to perforation or offer two respectively to symmetrically arranged relative to its center line to perforation, aforementioned to perforation all use as vibration damping locating hole.
Another technical purpose of the present utility model is to provide a kind of concrete mixer carrier pipe assembly with above-mentioned centering vibration absorber, comprise carrier pipe, turntable-jib Connection Block and centering vibration absorber, centering vibration absorber is arranged between the outer wall of carrier pipe and the inwall of turntable-jib Connection Block, described centering vibration absorber comprises retainer and vibration-damped component, described retainer is hollow unit, the wall of this retainer radially offers more than three vibration damping locating holes, an all equipped vibration-damped component in each vibration damping locating hole; The mode that the outer wall of carrier pipe is all touched by face with each vibration-damped component inner side end touches, and the mode that the inwall of turntable-jib Connection Block is then touched by face with vibration-damped component end face outside touches.
As further improvement of the utility model, between described turntable-jib Connection Block and centering vibration absorber, be provided with baffle plate assembly; This baffle plate assembly comprises baffle plate, and one end of described baffle plate is inlaid in the annular groove that retainer is offered, and the other end is then arranged on turntable-jib Connection Block by threaded components.
According to above technical scheme, relative to prior art, the utility model has following advantage:
1, centering vibration absorber described in the utility model, comprise support and be arranged on the vibration-damped component in the radial vibration damping locating hole offered of support, vibration-damped component has shock sucking function, and carrier pipe outer wall is connected by vibration-damped component with tube connector inwall, vibration-damped component has 3 at least simultaneously, it can thus be appreciated that, the impact produced by carrier pipe, effectively can be absorbed by vibration-damped component, thus be significantly reduced the fatigue damage of the braced structures of institute's installation component on carrier pipe braced structures and tube connector; Also improve the safe, convenient of cloth and accuracy, the cost of labor during construction of reduction simultaneously; In addition, involved by the utility model, component is few, and the assembling between component is also comparatively convenient, less demanding for assembly precision, and therefore, the utility model has advantage simple and practical, with low cost, easy to assembly;
2, the arcwall face that matches with it is arranged in the face that vibration-damped component and carrier pipe, tube connector touch mutually by the utility model, can effectively ensure carrier pipe, between tube connector with vibration-damped component for face contacts, increase mutual contact area, thus effectively improve vibration-damped component to carrier pipe produce the absorbing effect of impact;
3, vibration-damped component described in the utility model is arranged to the uniform mode of annular, and reason is the absorbing of vibration-damped component described in the utility model for the annular construction member such as carrier pipe, tube connector, and such arrangement can carry out absorbing process in each orientation dramatically.
Accompanying drawing explanation
Fig. 1 is the structural representation of shock-absorbing means (before being in clamping) of feeling relieved in prior art;
Fig. 2 is the structural representation of shock-absorbing means (be in clamping after) of feeling relieved in prior art;
In Fig. 1,2: 1, carrier pipe; 2, damping ring; 3, retainer; 4, lobe is locked; 5, swivel nut is locked;
Fig. 3 is the structural representation of the first centering shock-absorbing means described in the utility model;
Fig. 4 is the A-A sectional structure schematic diagram in Fig. 3;
Fig. 5 is the structural representation of another kind of vibration-damped component described in the utility model;
Fig. 6 is the structural representation of the second described in the utility model centering shock-absorbing means;
Fig. 7 is the structural representation of the third centering shock-absorbing means described in the utility model;
Fig. 8 is the structural representation of the 4th kind of centering shock-absorbing means described in the utility model;
Fig. 9 is the structural representation of the 5th kind of centering shock-absorbing means described in the utility model;
Figure 10 is the structural representation of the 6th kind of centering shock-absorbing means described in the utility model;
Figure 11 is the structural representation with the concrete mixer carrier pipe assembly (not comprising jib) of centering vibration-damping function described in the utility model;
Figure 12 is the structural representation of the B-B in Figure 11;
Figure 13 is the structural representation with the concrete mixer carrier pipe assembly (comprising jib) of centering vibration-damping function described in the utility model;
In Fig. 3-13: 6, carrier pipe outer wall; 7, turntable-jib Connection Block; 8, retainer; 9, vibration-damped component; 91 ', inner sleeve; 92 ', overcoat; 93 ', Flexible Connector; 10, centering vibration reduction support; 11, jib; 12. turntables.
Detailed description of the invention
Accompanying drawing discloses the structural representation of preferred embodiment involved by the utility model without limitation; The technical solution of the utility model is explained below with reference to accompanying drawing.
As shown in Figure 3,4, centering shock-absorbing means described in the utility model, be connected between carrier pipe outer wall and tube connector inwall, comprise retainer and vibration-damped component, described retainer is hollow unit, and the wall of this retainer radially offers more than three vibration damping locating holes, is all equipped with the vibration-damped component that has vibration-damping function in each vibration damping locating hole, vibration-damped component has two arc surfaces, is respectively the first arc surface coordinated with carrier pipe outer wall, the second arc surface coordinated with tube connector inwall, spacing between vibration-damped component first arc surface, the second arc surface is greater than the hole depth of vibration damping locating hole, and carrier pipe outer wall and the first arc surface touch, and tube connector inwall then touches with the second arc surface, for described centering shock-absorbing means, the following parameter of demand fulfillment: 1, two end face (the first arc surfaces of vibration-damped component, second arc surface) all need to expose retainer setting, make tube connector, carrier pipe directly and vibration-damped component touch, and do not interfere with retainer, it can thus be appreciated that, A, the shape of retainer itself does not become a restrictive condition of centering shock-absorbing means described in the utility model, therefore, retainer can be the annular element shown in Fig. 3, it can be the hollow square part shown in Fig. 6-9, during for hollow square part, chamfered can be done in its corner, obtain component as shown in Figure 10, certainly, it can also be other any hollow member, but, normally, annular element is easy to manufacture, so be that the utility model is first-selected, the radical length (i.e. the hole depth of vibration damping locating hole) of B, retainer should be less than in vibration-damped component, the spacing of the first arc surface, the second arc surface, 2, normally, spacing between described first arc surface, the second arc surface is consistent with semidiameter between tube connector inwall, carrier pipe outer wall or slightly larger than semidiameter between tube connector inwall, carrier pipe outer wall, but the spacing between the first arc surface, the second arc surface can not be less than semidiameter between tube connector inwall, carrier pipe outer wall, it can thus be appreciated that, in general, described vibration-damped component requirement on machining accuracy is dimensionally not high especially, 3, vibration-damped component arrangement on retainer, or the offering of vibration damping locating hole on retainer, can have multiple layout, usually adopts the mode that annular is uniform, but, for square retainer, then can not adopt annular all mode for cloth, two can be offered respectively to symmetrically arranged relative to its center line to perforation along one group opposite side, other one group of opposite side then offers a pair to boring a hole or offering two respectively to symmetrically arranged relative to its center line to perforation along its center line, aforementioned to boring a hole all as the use of vibration damping locating hole, often pair comprises two holes to perforation, an equipped vibration-damped component respectively, 4, vibration-damped component described in the utility model is a damping block, adopts the material with shock attenuation result to make, or described vibration-damped component is a kind of elastic parts shown in Fig. 5, comprises the consistent inner sleeve of internal diameter, overcoat and flexible member, and φ A is the external diameter of overcoat, and φ B is the internal diameter of inner sleeve or overcoat, φ C is the external diameter of inner sleeve interface or the internal diameter of overcoat interface, described inner sleeve, overcoat are semi-enclosed cavity, and the opening end grafting of the opening end of inner sleeve and overcoat, and the two ends of flexible member are interlockingly connected with the blind end of inner sleeve, the blind end of overcoat respectively, meanwhile, exist between the opening end of inner sleeve and the opening end of overcoat and be used for the flexible gap of adjustable elastic element, in addition, all curved setting of end face outside of described inner sleeve blind end, overcoat blind end, and cambered surface corresponding to the end face outside of inner sleeve blind end is mated with carrier pipe outer wall, and cambered surface corresponding to the end face outside of overcoat blind end is mated with tube connector outer wall, or cambered surface corresponding to the end face outside of overcoat blind end is mated with carrier pipe outer wall, and cambered surface corresponding to the end face outside of inner sleeve blind end is mated with tube connector outer wall.
As figs 11-13, the concrete mixer carrier pipe assembly with upper centering vibration-damping function described in the utility model, comprise carrier pipe, turntable-jib Connection Block and centering vibration absorber, centering vibration absorber is arranged between the outer wall of carrier pipe and the inwall of turntable-jib Connection Block, described centering vibration absorber comprises retainer and vibration-damped component, described retainer is hollow unit, the wall of this retainer radially offers more than three vibration damping locating holes, an all equipped vibration-damped component in each vibration damping locating hole; The mode that the outer wall of carrier pipe is all touched by face with each vibration-damped component inner side end touches, and the mode that the inwall of turntable-jib Connection Block is then touched by face with vibration-damped component end face outside touches; During pump truck construction, because of the randomness of vibration, centering vibration damping support device, along carrier pipe axially gradually to inner or outer movement, also may not be able to move.As moving range exceeds beyond turntable and jib hinge hole, centering support function will lose efficacy.For this reason, baffle plate assembly is provided with between described turntable-jib Connection Block and centering vibration absorber; This baffle plate assembly comprises baffle plate, and one end of described baffle plate is inlaid in the annular groove that retainer is offered, and the other end is then arranged on turntable-jib Connection Block by threaded components.
Operating principle:
When pump truck works, carrier pipe internal cause has periodic pumping to impact, because there is comparatively wide arc gap its junction, so can produce vibration.And the damping block of this patent, on the one hand can self production compressive strain when larger impact produces, apparatus with shock absorbing, when little impact, produces the displacement of little compressive strain or direct limit transport pipe, prevents amplitude from strengthening.
In sum, know-why of the present utility model is as follows:
1. the application utilizes 3 equivalent points (can be more than 3) decision equilibrium of forces principle to carry out global design.
2. the application feel relieved principle be then at guarantee carrier pipe external diameter each point to jib with turntable hinge hole apart from equal, namely measure-alike damping block is put in the middle of carrier pipe and Connection Block.This size is then that its Connection Block radius size deducts carrier pipe radius.
3. the damping block of the application, except shape matches with contacted Connection Block and carrier pipe outer wall, also has spring function, has compressibilty, can absorb the impact that vibration produces, and when damp impacts, can discharge again the energy of its compression.Therefore, it not only with the material manufacture having vibration-damping function, also can be designed to an elastic parts.
4. the application's retainer is then the installation site in order to ensure damping block, ensures that uniform force designs, and because loop configuration has best forming characteristic, therefore becomes the first-selection of this case.And other shape, equally at the protection domain of the application.
The baffle plate mentioned in this programme, be then option, had it, then can ensure within certain working time, vibration absorber energy continuous and effective of feeling relieved described in the application.
Claims (8)
1. a centering vibration absorber, be connected between carrier pipe outer wall and tube connector inwall, comprise retainer and vibration-damped component, it is characterized in that, described retainer is hollow unit, and the wall of this retainer radially offers more than three vibration damping locating holes, is all equipped with the vibration-damped component that has vibration-damping function in each vibration damping locating hole, vibration-damped component has two arc surfaces, is respectively the first arc surface coordinated with carrier pipe outer wall, the second arc surface coordinated with tube connector inwall; Spacing between vibration-damped component first arc surface, the second arc surface is greater than the hole depth of vibration damping locating hole.
2. to feel relieved according to claim 1 vibration absorber, it is characterized in that, the spacing between the first arc surface, the second arc surface is consistent with semidiameter between tube connector inwall, carrier pipe outer wall or slightly larger than semidiameter between tube connector inwall, carrier pipe outer wall.
3. feel relieved according to claim 2 vibration absorber, it is characterized in that, described vibration-damped component is a damping block, and this damping block adopts the material with damping property to make; First arc surface, the second arc surface are respectively damping block and are positioned at two radial end faces.
4. to feel relieved according to claim 2 vibration absorber, it is characterized in that, described vibration-damped component comprises inner sleeve, overcoat and flexible member, described inner sleeve, overcoat are semi-enclosed cavity, and the opening end grafting of the opening end of inner sleeve and overcoat, and the two ends of flexible member are interlockingly connected with the blind end of inner sleeve, the blind end of overcoat respectively, meanwhile, exist between the opening end of inner sleeve and the opening end of overcoat and be used for the flexible gap of adjustable elastic element; In addition, all curved setting of the end face outside of described inner sleeve blind end, overcoat blind end.
5. feel relieved according to claim 3 or 4 vibration absorber, it is characterized in that, described retainer is annular element; Each vibration damping locating hole uniform setting ringwise that described annular element is offered.
6. to feel relieved according to claim 3 or 4 vibration absorber, it is characterized in that, described retainer is square retainer, described retainer offers two to symmetrically arranged relative to its center line to perforation respectively along one group opposite side, other one group of opposite side then along its center line offer a pair to perforation or offer two respectively to symmetrically arranged relative to its center line to perforation, aforementioned to perforation all use as vibration damping locating hole.
7. one kind has the concrete mixer carrier pipe assembly of vibration absorber of feeling relieved described in claim 1, comprise carrier pipe, turntable-jib Connection Block and centering vibration absorber, centering vibration absorber is arranged between the outer wall of carrier pipe and the inwall of turntable-jib Connection Block, described centering vibration absorber comprises retainer and vibration-damped component, described retainer is hollow unit, the wall of this retainer radially offers more than three vibration damping locating holes, an all equipped vibration-damped component in each vibration damping locating hole; The mode that the outer wall of carrier pipe is all touched by face with each vibration-damped component inner side end touches, and the mode that the inwall of turntable-jib Connection Block is then touched by face with vibration-damped component end face outside touches.
8. concrete mixer carrier pipe assembly according to claim 7, is characterized in that, is provided with baffle plate assembly between described turntable-jib Connection Block and centering vibration absorber; This baffle plate assembly comprises baffle plate, and one end of described baffle plate is inlaid in the annular groove that retainer is offered, and the other end is then arranged on turntable-jib Connection Block by threaded components.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520042214.5U CN204475869U (en) | 2015-01-21 | 2015-01-21 | Centering vibration absorber and concrete mixer carrier pipe assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520042214.5U CN204475869U (en) | 2015-01-21 | 2015-01-21 | Centering vibration absorber and concrete mixer carrier pipe assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204475869U true CN204475869U (en) | 2015-07-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520042214.5U Expired - Fee Related CN204475869U (en) | 2015-01-21 | 2015-01-21 | Centering vibration absorber and concrete mixer carrier pipe assembly |
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| CN (1) | CN204475869U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104594638A (en) * | 2015-01-21 | 2015-05-06 | 恒天创丰重工有限公司 | Centering and damping device and concrete pump truck delivery pipe assembly with centering and damping functions |
-
2015
- 2015-01-21 CN CN201520042214.5U patent/CN204475869U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104594638A (en) * | 2015-01-21 | 2015-05-06 | 恒天创丰重工有限公司 | Centering and damping device and concrete pump truck delivery pipe assembly with centering and damping functions |
| CN104594638B (en) * | 2015-01-21 | 2017-09-26 | 欧阳烽 | Centering vibration absorber and concrete mixer conveying tube assembly |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150715 Termination date: 20170121 |