CN101839066B - Tail end hose device, concrete pump vehicle and pipeline transporter - Google Patents
Tail end hose device, concrete pump vehicle and pipeline transporter Download PDFInfo
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- CN101839066B CN101839066B CN2010102033656A CN201010203365A CN101839066B CN 101839066 B CN101839066 B CN 101839066B CN 2010102033656 A CN2010102033656 A CN 2010102033656A CN 201010203365 A CN201010203365 A CN 201010203365A CN 101839066 B CN101839066 B CN 101839066B
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- supporting portion
- delivery pipe
- tail end
- hose device
- elastic element
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/02—Conveying or working-up concrete or similar masses able to be heaped or cast
- E04G21/04—Devices for both conveying and distributing
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/02—Conveying or working-up concrete or similar masses able to be heaped or cast
- E04G21/04—Devices for both conveying and distributing
- E04G21/0418—Devices for both conveying and distributing with distribution hose
- E04G21/0445—Devices for both conveying and distributing with distribution hose with booms
- E04G21/0454—Devices for both conveying and distributing with distribution hose with booms with boom vibration damper mechanisms
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- 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
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F7/00—Vibration-dampers; Shock-absorbers
- F16F7/10—Vibration-dampers; Shock-absorbers using inertia effect
- F16F7/104—Vibration-dampers; Shock-absorbers using inertia effect the inertia member being resiliently mounted
- F16F7/108—Vibration-dampers; Shock-absorbers using inertia effect the inertia member being resiliently mounted on plastics springs
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- 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
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F7/00—Vibration-dampers; Shock-absorbers
- F16F7/10—Vibration-dampers; Shock-absorbers using inertia effect
- F16F7/104—Vibration-dampers; Shock-absorbers using inertia effect the inertia member being resiliently mounted
- F16F7/116—Vibration-dampers; Shock-absorbers using inertia effect the inertia member being resiliently mounted on metal springs
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/02—Conveying or working-up concrete or similar masses able to be heaped or cast
- E04G21/04—Devices for both conveying and distributing
- E04G2021/049—Devices for both conveying and distributing concrete mixing nozzles specially adapted for conveying devices
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Supports For Pipes And Cables (AREA)
- On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
Abstract
The invention discloses a tail end hose device used for a concrete pump vehicle, comprising a delivery pipe (1). The lateral wall of the delivery pipe (1) is sleeved with a mass disc (2), and a gap is arranged between the side wall of the inner ring of the mass disc (2) and the lateral wall of the delivery pipe (1); and a support part protruding out of the lateral wall of the delivery pipe (1) is arranged at least one of the upper and down parts of the mass disc (2), and the mass disc (2) is connected the with the support part through a flexible part so as to facilitate the mass disc (2) to reciprocate along the axial direction of the delivery pipe (1). The device can effectively reduce the vibration when the tail end hose device delivers materials, and has high the reliability of reducing vibration and low operation cost. In addition, the invention also discloses a concrete pump car comprising the tail end hose device. Furthermore, the invention discloses a pipeline delivery device.
Description
Technical field
The present invention relates to the concrete mixer technical field, particularly a kind of tail end hose device.In addition, the invention still further relates to a kind of concrete mixer that comprises described tail end hose device.Moreover, the invention still further relates to a kind of pipeline transporter.
Background technique
Along with the fast development of Building Trade in China, for building machinery, especially the demand of concrete mixer is also more and more.
Please refer to Fig. 1, Fig. 1 is the structural representation of the tail end hose device of concrete mixer in the prior art.
Described tail end hose device comprise inner sleeve 1 ', outer sleeve 2 ' and sebific duct 3 ', this inner sleeve 1 ' be connected with the boom of concrete mixer, thus realized being connected of tail end hose device and boom.Described boom is located on the jib of concrete mixer.
The pumping system of concrete mixer is in commutation process, the mobile meeting of concrete in pipeline produces periodic shock load to jib, when pumping system commutating frequency during near the jib natural frequency, jib resonates, thereby jib drives tail end hose device high vibration vertically.Tail end hose device vibration not only can influence the fatigue life of structure too greatly, influence workmen's safety cloth and operates, and very easily collide building and cause the personal safety accident.Given this, the vibration of described tail end hose device when how to reduce feeding, the Security and the operability of raising construction operation are the problems that those skilled in the art need solution badly.
Please refer to Fig. 2, Fig. 2 is the structural representation of a kind of vibration damping equipment in the prior art.
As shown in Figure 2, described vibration damping equipment comprises the framework 4 ' 2 of being located at overhang 4 ' 1 belows, is provided with auxilliary piece 4 ' 3 in the framework, and the top of auxilliary piece 4 ' 3 is connected with overhang 4 ' 1 by spring 4 ' 4, and its left and right sides and below also are connected with framework 4 ' 2 by elastic element 4 ' 5.This vibration damping equipment by spring 4 ' 4, elastic element 4 ' 5, be suspended on overhang 4 ' 1 structural auxilliary pieces 4 ' 3, suppress one dimension, two dimension, the Three-Dimensional Dynamic response of main structure.Though the vibration damping mode of the common suspension of this vibration damping equipment is ubiquitous, yet be not suitable for similar concrete arm, crane arm support etc. have requirement to space, Job Operations Security mechanical device, thereby just can't be applicable to the vibration that reduces concrete pump truck arm, and then can't be applicable to the vibration that reduces described tail end hose device.
Please refer to Fig. 3, Fig. 3 is the structural representation of another kind of vibration damping equipment in the prior art.
This vibration damping equipment comprises damping block 5 ' 1, and this damping block 5 ' 1 is supported in by elastic element 5 ' 2 and treats on the damping means 5 ' 3.This vibration damping equipment can effectively reduce the vibration for the treatment of damping means 5 ' 3, but this vibration damping equipment is not suitable for installing on concrete pump truck arm, because described jib does not have bigger this vibration damping equipment of space mounting after gathering, thereby this vibration damping equipment just can't be applicable to the vibration that reduces concrete pump truck arm, and then can't be applicable to the vibration that reduces described tail end hose device.
At present, both at home and abroad gradually deeply to the jib Vibration Damping Technology Study, most control strategies by optimization mechanical structure and hydraulic system reduce the jib vibration, for example adopt the closed loop hydraulic control system vibration damping, but closed loop hydraulic control system hydraulic fluid temperature height all has certain requirement to valve class, electrical apparatus element working life, and the vibration damping structure more complicated, implement and acquire a certain degree of difficulty, job costs are also than higher.
In sum, how reducing the vibration of tail end hose device when conveying material effectively, and make that the functional reliability of vibration damping is lower with job costs than higher, is the problem that those skilled in the art need solution badly.
Summary of the invention
The technical problem to be solved in the present invention provides a kind of tail end hose device, and this device can reduce the vibration of tail end hose device when conveying material effectively, and the functional reliability of vibration damping is lower with job costs than higher.In addition, another technical problem that will solve of the present invention is for providing a kind of concrete mixer that comprises the above-mentioned end hose arrangement.Moreover another technical problem that will solve of the present invention is for providing a kind of pipeline transporter.
For solving the problems of the technologies described above, the invention provides a kind of tail end hose device, be used for concrete mixer, described concrete mixer comprises boom, described tail end hose device is provided with the delivery pipe that is connected with the end of described boom; The outer side wall of described delivery pipe is set with the quality dish, and has the gap between the outer side wall of the inner ring sidewall of described quality dish and described delivery pipe; In the above and below of described quality dish, have at least a side to be provided with the supporting portion that protrudes from described delivery pipe outer side wall, be connected by elastic member between described quality dish and the described supporting portion, so that the axial double vibrations of the described delivery pipe in described quality rim.
Preferably, the above and below of described quality dish is equipped with the supporting portion, is respectively first supporting portion of being located at described quality dish top and second supporting portion of being located at described quality dish below; Be provided with first elastic element between the roof of described first supporting portion and described quality dish, described second supporting portion and described quality are tried to get to the heart of a matter and are provided with second elastic element between the wall.
Preferably, described first supporting portion is the first ring-type dunnage, and described second supporting portion is the second ring-type dunnage, and the described first ring-type dunnage and the described second ring-type dunnage fixed cover are loaded on the outer side wall of described delivery pipe.
Preferably, be provided with the tubular wall between the circumferential outer end of described first supporting portion and the circumferential outer end of described second supporting portion, and the internal diameter of described tubular wall is greater than the external diameter of quality dish; Described quality dish is located in the cavity that the sidewall of described first supporting portion, described tubular wall, second supporting portion and corresponding described delivery pipe surrounds.
Preferably, described first supporting portion, described second supporting portion and the integrated member of described tubular wall form the cylinder sleeve that is set in described delivery pipe outer side wall.
Preferably, described cylinder sleeve comprise with respect in the described delivery pipe in the face of the first half cylinder sleeves that claim and the second half cylinder sleeves; The two ends of described the first half cylinder sleeves radially all are protruding with first joint, and the two ends of described the second half cylinder sleeves radially all are protruding with second joint, and each described the first pontes is not connected with corresponding described second joint.
Preferably, described quality rim axially offers pilot hole, and described tail end hose device also comprises the guide rod that passes described pilot hole; The upper end portion of described guide rod is passed described first elastic element and is connected with described first supporting portion, and the underpart of described guide rod is passed described second elastic element and is connected with described second supporting portion.
Preferably, described first elastic element and described second elastic element are spring, and the rigidity of described first elastic element is greater than the rigidity of described second elastic element; The spring eye of described first elastic element is passed in the upper end portion of described guide rod, and the spring eye of described second elastic element is passed in the underpart of described guide rod.
Preferably, described first supporting portion side relative with described second supporting portion is equipped with the spring guide sleeve, and described first elastic element is connected with corresponding described spring guide sleeve respectively with described second elastic element; The upper end portion of described guide rod is passed corresponding described spring guide sleeve respectively with the underpart and is connected with described second supporting portion with described first supporting portion.
Preferably, described first elastic element is the elastic damping piece, and described second elastic element is a spring; The spring eye that described second elastic element is passed in the underpart of described guide rod is connected with described second supporting portion; Described elastic damping piece is provided with through hole, and the upper end portion of described guide rod is passed described through hole and is connected with described first supporting portion.
Preferably, described first elastic element is the hydraulic damping oil cylinder, and described second elastic element is a spring; The spring eye that described second elastic element is passed in the underpart of described guide rod is connected with described second supporting portion.
Preferably, described tail end hose device also is provided with inner sleeve, and described inner sleeve is provided with outward extending vertically protruded tube, and described protruded tube forms described delivery pipe.
Preferably, the upper end portion of described delivery pipe is provided with first pipe clamp, and the inner end of described first supporting portion is connected with first positioning part that is set in described delivery pipe outer side wall, described first pipe clamp of the described first positioning part butt; The underpart of described delivery pipe is provided with positioning step, and the inner end of described second supporting portion is connected with second positioning part that is set in described delivery pipe outer side wall, and described positioning step supports described second positioning part.
Preferably, described tail end hose device also is provided with inner sleeve, and described inner sleeve is connected with described delivery pipe.
Preferably, the upper end portion of described delivery pipe is provided with first pipe clamp, and the inner end of described first supporting portion is connected with first positioning part that is set in described delivery pipe outer side wall, described first pipe clamp of the described first positioning part butt; Described inner sleeve is connected by second pipe clamp with the underpart of described delivery pipe, and the inner end of described second supporting portion is connected with second positioning part that is set in described delivery pipe outer side wall, and described second pipe clamp supports described second positioning part.
In addition, for solving the problems of the technologies described above, the present invention also provides a kind of concrete mixer, comprises boom; Described concrete mixer also comprises above-mentioned each described tail end hose device; The end of described boom is connected with the upper end portion of described delivery pipe.
Moreover for solving the problems of the technologies described above, the present invention also provides a kind of pipeline transporter, comprises delivery pipe; The outer side wall of described delivery pipe is set with the quality dish, and has the gap between the outer side wall of the inner ring sidewall of described quality dish and described delivery pipe; In the above and below of described quality dish, have at least a side to be provided with the supporting portion that protrudes from described delivery pipe outer side wall, be connected by elastic member between described quality dish and the described supporting portion, so that the axial double vibrations of the described delivery pipe in described quality rim.
On the basis of existing technology, the outer side wall of the delivery pipe of tail end hose device provided by the present invention is set with the quality dish, and has the gap between the outer side wall of the inner ring sidewall of described quality dish and described delivery pipe; In the above and below of described quality dish, have at least a side to be provided with the supporting portion that protrudes from described delivery pipe outer side wall, be connected by elastic member between described quality dish and the described supporting portion, so that the axial double vibrations of the described delivery pipe in described quality rim.By mechanical type simple harmonic oscillation power vibration damping theory as can be known, this device can be converted into the vibrational energy of delivery pipe the kinetic energy of quality dish, thereby the vibration of delivery pipe will decay.In addition, by above-mentioned introduction as can be known, vibration damping structure provided by the present invention relatively simple for structure only comprises quality dish, elastic element and supporting portion, thereby manufacture cost and maintenance cost are lower; Moreover, because vibration damping structure provided by the present invention is pure mechanical vibration damping structure, thereby be easy to realize having higher functional reliability.Simultaneously, vibration damping structure provided by the present invention also can be used in the jib vibration damping of open hydraulic control system to a certain extent.
In addition, pipeline transporter provided by the present invention is all basic identical with the technique effect of above-mentioned end hose arrangement with the technique effect of the concrete mixer that comprises the above-mentioned end hose arrangement, does not repeat them here.
Description of drawings
Fig. 1 is the structural representation of the tail end hose device of concrete mixer in the prior art;
Fig. 2 is the structural representation of a kind of vibration damping equipment in the prior art;
Fig. 3 is the structural representation of another kind of vibration damping equipment in the prior art;
Fig. 4 is the structural representation of two-freedom undamped forced vibration system dynamic vibration damper;
Fig. 5 has the structural representation of damping forced vibration system dynamic vibration damper for two-freedom;
Fig. 6 is the structural representation of tail end hose device among first kind of embodiment of the present invention;
Fig. 7 be among Fig. 6 A-A to sectional view;
Fig. 8 is the structural representation of tail end hose device among second kind of embodiment of the present invention;
Fig. 9 is the structural representation of tail end hose device among the third embodiment of the present invention;
Figure 10 is the vibration displacement schematic representation of tail end hose device in an embodiment of the present invention.
Embodiment
Core of the present invention provides a kind of tail end hose device, and this device can reduce the vibration of tail end hose device when conveying material effectively, and the functional reliability of vibration damping is lower with job costs than higher.In addition, another core of the present invention is for providing a kind of concrete mixer that comprises the above-mentioned end hose arrangement.Moreover another core of the present invention is for providing a kind of pipeline transporter.
In order to make those skilled in the art understand technological scheme of the present invention better, the present invention is described in further detail below in conjunction with the drawings and specific embodiments.
Need to prove, the term of described herein expression positions such as " upper and lower, left and right " relation all be with position shown in the accompanying drawing as reference, thereby can not be as limiting the scope of the invention.
Please refer to Fig. 4 and Fig. 5, Fig. 4 is the structural representation of two-freedom undamped forced vibration system dynamic vibration damper; Fig. 5 has the structural representation of damping forced vibration system dynamic vibration damper for two-freedom.
The principle that the present invention utilized is traditional mechanical type simple harmonic oscillation power vibration damping theory.Main system m is supported on the spring, and the rigidity of this spring is k, is provided with second spring between main system m and the subsystem m ' simultaneously, and its rigidity is k ', and it is the active force of the spring of k to main system m that Fsin ω t represents rigidity.By the power vibration damping theory as can be known, the energy of main system m vibration will transform the kinetic energy of subsystem m ', thereby the vibration of main system m will decay.
And when the natural frequency of subsystem m ' equaled the energizing frequency f of main system m, the effectiveness in vibration suppression of main system m was best.At this moment, have in the damping forced vibration system dynamic vibration damper at two-freedom shown in Figure 4, the quality m ' of energizing frequency f, subsystem, rigidity k ' need satisfy following relation:
Please also refer to Fig. 6, Fig. 8 and Fig. 9, Fig. 6 is the structural representation of tail end hose device among first kind of embodiment of the present invention; Fig. 8 is the structural representation of second kind of embodiment's tail end hose device of the present invention; Fig. 9 is the structural representation of tail end hose device among the third embodiment of the present invention.
In the utility model, tail end hose device provided by the utility model is used for concrete mixer, and described concrete mixer comprises boom, and described tail end hose device comprises delivery pipe 1, and delivery pipe 1 is connected with the end of described boom; On this basis, the outer side wall of delivery pipe 1 is set with quality dish 2, and has the gap between the outer side wall of the inner ring sidewall of quality dish 2 and delivery pipe 1, and the purpose that has the gap between the two is in order to realize that quality dish 2 can move vertically with respect to delivery pipe 1; In the above and below of quality dish 2, have at least a side to be provided with the supporting portion that protrudes from delivery pipe 1 outer side wall, be connected by elastic member between quality dish 2 and the described supporting portion, so that quality dish 2 is along the axial double vibrations of delivery pipe 1.
By above-mentioned mechanical type simple harmonic oscillation power vibration damping theory as can be known, this device can be converted into the vibrational energy of delivery pipe 1 kinetic energy of quality dish 2, thereby the vibration of delivery pipe 1 will decay.In addition, by above-mentioned introduction as can be known, vibration damping structure provided by the present invention relatively simple for structure only comprises quality dish 2, described elastic element and described supporting portion, thereby manufacture cost and maintenance cost are lower; Moreover, because vibration damping structure provided by the present invention is pure mechanical vibration damping structure, thereby be easy to realize having higher functional reliability.Simultaneously, vibration damping structure provided by the present invention also can be used in the jib vibration damping of open hydraulic control system to a certain extent.
At this, need to prove, in technique scheme, set-up mode for described supporting portion does not limit, such as can be for along the equally distributed support beam of delivery pipe 1 circumferential side wall, the opposite position of each support beam and quality dish 2 is connected an elastic element, thereby realizes quality dish 2 purpose of double vibrations vertically, and then realizes the vibration damping purpose for delivery pipe 1; Certainly, described supporting portion can also be loaded on the ring-type dunnage of delivery pipe 1 outside for fixed cover, will discuss in detail hereinafter this.
Moreover, need to prove that also in technique scheme, comprise three kinds of mode of executions: one for only being provided with described supporting portion and described elastic element above quality dish 2; Two for only being provided with described supporting portion and described elastic element below quality dish 2; Three for to be equipped with described supporting portion and described elastic element in the above and below of quality dish 2, will elaborate hereinafter this mode of execution.
As Fig. 6, Fig. 8 and shown in Figure 9, the above and below of quality dish 2 is equipped with described supporting portion, is respectively first supporting portion 31 of being located at quality dish 2 tops and second supporting portion 32 of being located at quality dish 2 belows; Be provided with between the roof of first supporting portion 31 and quality dish 2 between first elastic element, 41, the second supporting portions 32 and quality dish 2 diapires and be provided with second elastic element 42.Because tail end hose device needs the mobile working position, especially the tail end hose device of concrete mixer needs mobile working position as required, thereby the weight of quality dish 2 can not be too big; And as can be known by the power vibration damping theory of above-mentioned simple harmonic oscillation, under the little situation of the weight of quality dish 2, the rigidity of elastic element is also little, thereby when only below quality dish 2, elastic element being set, probably cause quality dish 2 in the process of motion, the amplitude that moves upward is very big, probably causes quality dish 2 and first supporting portion 31 (that is roof of cylinder sleeve hereinafter described 3) to bump, thereby influences the reliability of work.And in the technical program, because the above and below of quality dish 2 is equipped with elastic element, thereby quality dish 2 can not bump with first supporting portion 31 or second supporting portion 32 in vibration processes, and then improved the reliability of work.
As indicated above, the structure of described supporting portion is specifically as follows the ring-type dunnage.Particularly, as Fig. 6, Fig. 8 and shown in Figure 9, first supporting portion 31 is the first ring-type dunnage, and second supporting portion 32 is the second ring-type dunnage, and the described first ring-type dunnage and the described second ring-type dunnage fixed cover are loaded on the outer side wall of delivery pipe 1.With respect to above along the structural design of a plurality of support beams of the circumferential distribution of delivery pipe 1, the structural design of this kind ring-type dunnage, installation procedure is less, installs more convenient; In addition, because working environment is more abominable, this kind ring-type dunnage can also play the effect of protective housing to quality dish 2 and elastic member, prevents that the object of quality dish 2 above and belows from interfering quality dish 2 and elastic member, thereby influences its damping property.
Please also refer to Fig. 6, Fig. 8 and Fig. 9, further, be provided with tubular wall 33 between the circumferential outer end of the circumferential outer end of first supporting portion 31 and second supporting portion 32, and the internal diameter of tubular wall 33 greater than or be slightly larger than the external diameter of quality dish 2 cause interference so that prevent the motion of 3 pairs of quality dishes 2 of tubular wall; The quality dish is located in the cavity that the sidewall of first supporting portion 31, tubular wall 33, second supporting portion 32 and corresponding delivery pipe 1 surrounds, and in this cavity under the drive of delivery pipe 1 double vibrations vertically.In this scheme, the setting of tubular wall 33 further is isolated in quality dish 2 and described elastic element in the cavity of sealing fully, thereby its working procedure can not be subjected to extraneous interference, and the reliability of its work is further enhanced.In addition, the existence of tubular wall 33 has also improved the Security of working, and the staff can contact with tubular wall 33 by hand or other holding elemenies as safe as a housely, thereby moves described conveyance conduit device to the predetermined work position.
Need to prove that first supporting portion 31, second supporting portion 32 and tubular wall 33 can be the split structure, link together by welding or other Placements; Certainly, first supporting portion 31, second supporting portion 32 and tubular wall 33 all right integrated components, by cylinder sleeve 3 of outside suit at delivery pipe 1, the roof of this cylinder sleeve 3 forms first supporting portion 31, the diapire of this cylinder sleeve 3 forms second supporting portion 32, and the circumferential side wall of this cylinder sleeve 3 forms tubular wall 3; Obviously, with respect to above-mentioned minute body structure, this structural design can reduce amount of parts, reduced assembly process, and then reduced assembly cost.
Please refer to Fig. 7, Fig. 7 be among Fig. 6 A-A to sectional view.
Further, as shown in Figure 7, form on the basis of cylinder sleeve 3, can make further improvement the structure of cylinder sleeve 3 at first supporting portion 31, the second ring supporting portion 32 and tubular wall 33 integrated members.Such as, cylinder sleeve 3 can comprise with respect in the delivery pipe 1 in the face of the first half cylinder sleeve 3a that claim and the second half cylinder sleeve 3b, and first semicanal cover 3a overlaps 3b with second semicanal and is connected.Obviously, this structural design has realized the assembling of cylinder sleeve 3 with delivery pipe 1 easily; Particularly, as shown in Figure 7, the two ends of the first half cylinder sleeve 3a can further all radially be protruding with the first joint 3a1, the two ends of the second half cylinder sleeve 3b can further all radially be protruding with the second joint 3b1, each first joint 3a1 is connected with the corresponding second joint 3b1 respectively, can connect by bolt particularly.This concrete Placement has realized the connection between two and half cylinder sleeves more easily, and relatively simple for structure, and the reliability of connection is higher.
Please also refer to Fig. 6, Fig. 8 and Fig. 9, on the basis of above-mentioned any technological scheme, can make further improvement.Such as, quality dish 2 offers pilot hole vertically, and described tail end hose device also comprises the guide rod 51 that passes described pilot hole; The upper end portion of guide rod 51 is passed first elastic element 41 and is connected with first supporting portion 31, the underpart of guide rod 51 is passed second elastic element 42 and is connected with second supporting portion 32, and guide rod 51 specifically can be connected by bolt with second supporting portion 32 with first supporting portion 31.5 pairs of quality dishes 2 of this guide rod play leading role, make it be difficult to be subjected to displacement diametrically, and then prevent itself and delivery pipe 1 outer side wall or bump with the inwall of tubular wall 33, thereby guarantee the performance of its damping property.In addition, guide rod 51 also carries out leading role to first elastic element 41 and second elastic element 42, make its more strictly delivery pipe 1 axially on quality dish 2 is applied active force, thereby further prevent quality dish 2 and delivery pipe 1 outer side wall or bump, thereby further guarantee its damping property with the inwall of tubular wall 33.
Please refer to Fig. 6, in first kind of embodiment of tail end hose device provided by the present invention, first elastic element 41 and second elastic element 42 can be spring, and further, the rigidity of first elastic element 41 is greater than the rigidity of second elastic element 42; The spring eye of first elastic element 41 is passed in the upper end portion of guide rod 51, thereby has realized the leading role to first elastic element 41 easily; The spring eye of second elastic element 42 is passed in the underpart of guide rod 2, thereby has realized the leading role to second elastic element 42 easily.
In this embodiment, the global stiffness of first elastic element 41 and second elastic element 42 is K, and the quality of quality dish is M, and concrete impulsive force frequency is f, and best in order to make effectiveness in vibration suppression by above-mentioned power vibration damping theory as can be known, M, K, f need satisfy following relation:
Further, as shown in Figure 6, first supporting portion 31 is equipped with spring guide sleeve 52, the first elastic elements 41 with second supporting portion, 32 relative sides and is connected with corresponding spring guide sleeve 52 respectively with second elastic element 42.Particularly, as shown in Figure 6, two spring guide sleeves 52 are equipped with direction recess, and first elastic element 41 and second elastic element 42 all are connected in the corresponding direction recess.Obviously, this structural design can further improve the steering capability to first elastic element 41 and second elastic element 42, makes two elastic elements more be difficult to take place diametrically deflection.
Please refer to Fig. 8, in second kind of embodiment of tail end hose device provided by the present invention, first elastic element 41 is the elastic damping piece, and second elastic element 42 is a spring; The spring eye that second elastic element 42 is passed in the underpart of guide rod 51 is connected with second supporting portion 32, and described elastic damping piece is provided with through hole, and the upper end portion of guide rod 51 is passed described through hole and is connected with first supporting portion 31.The elastic damping piece is made of visco-elastic damping material, because elastic damping material is better than the shock attenuation result of spring, thereby this kind technological scheme has better effectiveness in vibration suppression.
Please refer to Fig. 9, in the third embodiment of tail end hose device provided by the present invention, first elastic element 41 is the hydraulic damping oil cylinder, and second elastic element 42 is a spring; The spring eye that second elastic element 42 is passed in the underpart of guide rod 51 is connected with second supporting portion 32.Described liquid damping oil cylinder is better than the shock attenuation result of above-mentioned elastic damping piece, thereby this kind technological scheme has further strengthened damping property again.
In addition, in above-mentioned any technological scheme, can also make further improvement.Please refer to Fig. 6 and Fig. 8, described tail end hose device comprises inner sleeve 6, sebific duct 8 and outer sleeve 9; Inner sleeve 6 is provided with outward extending vertically protruded tube, and described protruded tube forms the delivery pipe 1 in any technological scheme of above-mentioned end hose arrangement.This kind technological scheme can make full use of the existing structure of tail end hose device, by prolonging the delivery pipe 1 that its inner sleeve 6 is used for forming the suit vibration damping structure, thereby has save the installation procedure between delivery pipe 1 and the inner sleeve 6, and then has reduced assembly cost.
Particularly, as Fig. 6 and shown in Figure 8, the inner end that the upper end portion of delivery pipe 1 is provided with first pipe clamp, 71, the first supporting portions 31 is connected with 34, the first positioning parts, first positioning part, 34 butts, first pipe clamp 71 that is set in delivery pipe 1 outer side wall; The inner end that the underpart of delivery pipe 1 is provided with positioning step 11, the second supporting portions 32 is connected with second positioning part 35 that is set in delivery pipe 1 outer side wall, and positioning step 11 supports second positioning part 35.This kind technological scheme has realized that effectively vibration damping structure is in the location of delivery pipe 1 on axially.
Need to prove, first positioning part 34 and second positioning part 35 can be the part of cylinder sleeve 3, that is first positioning part 34, second positioning part 35, first supporting portion 31, second supporting portion 32 and tubular wall 33 5 all be integrated components, forms a cylinder sleeve 3 that is set in delivery pipe 1 outside.
Moreover, please refer to Fig. 9, tail end hose device comprises inner sleeve 6, sebific duct 8 and outer sleeve 9, inner sleeve 6 does not stretch out and forms delivery pipe 1, but inner sleeve 6 delivery pipes 1 direct and in any technological scheme of described tail end hose device are connected.In this kind technological scheme, inner sleeve 6 is not made change, directly connect described delivery pipe 1 by inner sleeve 6, thereby need not to change tail end hose device of the prior art, need not the inner sleeve 6 of tail end hose device of the prior art is made change, thereby can make full use of existing equipment, reduced manufacture cost.
Particularly, as shown in Figure 9, the inner end that the upper end portion of delivery pipe 1 is provided with first pipe clamp, 71, the first supporting portions 31 is connected with 34, the first positioning parts, first positioning part, 34 butts, first pipe clamp 71 that is set in delivery pipe 1 outer side wall; Inner sleeve 6 is connected by second pipe clamp 72 with the underpart of delivery pipe 1, and the inner end of second supporting portion 32 is connected with second positioning part, 35, the second pipe clamps 72 that are set in delivery pipe 1 outer side wall and supports described second positioning part 35.
With above described, in this technological scheme, first positioning part 34 and second positioning part 35 can be the part of cylinder sleeve 3, that is first positioning part 34, second positioning part 35, first supporting portion 31, second supporting portion 32 and tubular wall 33 5 all be integrated components, forms a cylinder sleeve 3 that is set in delivery pipe 1 outside.
Please refer to Figure 10, Figure 10 is the vibration displacement schematic representation of tail end hose device in an embodiment of the present invention.
As shown in figure 10, abscissa is represented the operating time of tail end hose device, and ordinate is represented the displacement with respect to reference location point of tail end hose device.Curve A is being represented the oscillating curve of tail end hose device in the prior art, and curve B is being represented the oscillating curve of tail end hose device among the present invention.In the figure, the distance between crest and the trough is being represented the Oscillation Amplitude of tail end hose device.As shown in figure 10, curve B As time goes on, the distance between its crest and the trough reduces gradually, that is is representing that the Oscillation Amplitude of tail end hose device reduces gradually among the present invention, and the amplitude of decay is very big.Hence one can see that, and with respect to tail end hose device of the prior art, the vibration of tail end hose device provided by the present invention obviously decays.
In addition, the present invention also provides a kind of concrete mixer, comprises boom; Described concrete mixer further comprises above-mentioned each described tail end hose device; The terminal part of described boom is connected with the upper end portion of delivery pipe 1.Other parts of described concrete mixer can be with reference to prior art, and this paper no longer launches.
Moreover, need to prove, not merely the tail end hose device of concrete mixer need reduce vibration, in other pipeline transporter technical fields, when the excited frequency of conveying material in the pipeline equals the natural frequency of described pipeline transporter, described pipeline transporter also can resonate, and can influence the Security and the operability of construction operation equally.
Thereby the present invention also provides a kind of pipeline transporter, comprises delivery pipe 1; The outer side wall of delivery pipe 1 is set with quality dish 2, and has the gap between the outer side wall of the inner ring sidewall of quality dish 2 and delivery pipe 1; In the above and below of quality dish 2, have at least a side to be provided with the supporting portion that protrudes from delivery pipe 1 outer side wall, be connected by elastic member between quality dish 2 and the described supporting portion, so that quality dish 2 is along the axial double vibrations of delivery pipe 1.Obviously, by above-mentioned technique effect analysis to tail end hose device as can be known, the vibration when this pipeline transporter also can reduce conveying material effectively.
At last, more than tail end hose device provided by the present invention, concrete mixer and pipeline transporter are described in detail.Used specific case herein principle of the present invention and mode of execution are set forth, above embodiment's explanation just is used for helping to understand method of the present invention and core concept thereof.Should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention, can also carry out some improvement and modification to the present invention, these improvement and modification also fall in the protection domain of claim of the present invention.
Claims (17)
1. a tail end hose device is used for concrete mixer, and described concrete mixer comprises boom, and described tail end hose device is provided with the delivery pipe (1) that is connected with the end of described boom; It is characterized in that the outer side wall of described delivery pipe (1) is set with quality dish (2), and have the gap between the outer side wall of the inner ring sidewall of described quality dish (2) and described delivery pipe (1); In the above and below of described quality dish (2), has a side to be provided with to protrude from the supporting portion of described delivery pipe (1) outer side wall at least, be connected by elastic member between described quality dish (2) and the described supporting portion, so that described quality dish (2) is along the axial double vibrations of described delivery pipe (1).
2. tail end hose device as claimed in claim 1, it is characterized in that, the above and below of described quality dish (2) is equipped with described supporting portion, is respectively first supporting portion (31) of being located at described quality dish (2) top and second supporting portion (32) of being located at described quality dish (2) below; Be provided with first elastic element (41) between the roof of described first supporting portion (31) and described quality dish (2), be provided with second elastic element (42) between described second supporting portion (32) and described quality dish (2) diapire.
3. tail end hose device as claimed in claim 2, it is characterized in that, described first supporting portion (31) is the first ring-type dunnage, described second supporting portion (32) is the second ring-type dunnage, and the described first ring-type dunnage and the described second ring-type dunnage fixed cover are loaded on the outer side wall of described delivery pipe (1).
4. tail end hose device as claimed in claim 3, it is characterized in that, be provided with tubular wall (33) between the circumferential outer end of the circumferential outer end of described first supporting portion (31) and described second supporting portion (32), and the internal diameter of described tubular wall (33) is greater than the external diameter of quality dish (2); Described quality dish (2) is located in the cavity that the sidewall of described first supporting portion (31), described tubular wall (33), second supporting portion (32) and corresponding described delivery pipe (1) surrounds.
5. tail end hose device as claimed in claim 4 is characterized in that, described first supporting portion (31), described second supporting portion (32) and the integrated member of described tubular wall (33) form the cylinder sleeve (3) that is set in described delivery pipe (1) outer side wall.
6. tail end hose device as claimed in claim 5 is characterized in that, described cylinder sleeve (3) comprise with respect in the described delivery pipe (1) in the face of the first half cylinder sleeves (3a) that claim and the second half cylinder sleeves (3b); The two ends of described the first half cylinder sleeves (3a) radially all are protruding with first joint (3a1), the two ends of described the second half cylinder sleeves (3b) radially all are protruding with second joint (3b1), and each described first joint (3a1) is connected with corresponding described second joint (3b1) respectively.
7. as each described tail end hose device of claim 2 to 6, it is characterized in that described quality dish (2) offers pilot hole vertically, described tail end hose device also comprises the guide rod (51) that passes described pilot hole; The upper end portion of described guide rod (51) is passed described first elastic element (41) and is connected with described first supporting portion (31), and the underpart of described guide rod (51) is passed described second elastic element (42) and is connected with described second supporting portion (32).
8. tail end hose device as claimed in claim 7 is characterized in that, described first elastic element (41) and described second elastic element (42) are spring, and the rigidity of described first elastic element (41) is greater than the rigidity of described second elastic element (42); The spring eye of described first elastic element (41) is passed in the upper end portion of described guide rod (51), and the spring eye of described second elastic element (42) is passed in the underpart of described guide rod (51).
9. tail end hose device as claimed in claim 8, it is characterized in that, described first supporting portion (a 31) side relative with described second supporting portion (32) is equipped with spring guide sleeve (52), and described first elastic element (41) is connected with corresponding described spring guide sleeve (52) respectively with described second elastic element (42); The upper end portion of described guide rod (51) is passed corresponding described spring guide sleeve (52) respectively with the underpart and is connected with described second supporting portion (32) with described first supporting portion (31).
10. tail end hose device as claimed in claim 7 is characterized in that, described first elastic element (41) is the elastic damping piece, and described second elastic element (42) is a spring; The spring eye that described second elastic element (42) is passed in the underpart of described guide rod (51) is connected with described second supporting portion (32); Described elastic damping piece is provided with through hole, and the upper end portion of described guide rod (51) is passed described through hole and is connected with described first supporting portion (31).
11. tail end hose device as claimed in claim 7 is characterized in that, described first elastic element (41) is the hydraulic damping oil cylinder, and described second elastic element (42) is a spring; The spring eye that described second elastic element (42) is passed in the underpart of described guide rod (51) is connected with described second supporting portion (32).
12., it is characterized in that described tail end hose device also is provided with inner sleeve (6) as each described tail end hose device of claim 2 to 6, described inner sleeve (6) is provided with outward extending vertically protruded tube, described protruded tube forms described delivery pipe (1).
13. tail end hose device as claimed in claim 12, it is characterized in that, the upper end portion of described delivery pipe (1) is provided with first pipe clamp (71), the inner end of described first supporting portion (31) is connected with first positioning part (34) that is set in described delivery pipe (1) outer side wall, described first positioning part (34) described first pipe clamp of butt (71); The underpart of described delivery pipe (1) is provided with positioning step (11), and the inner end of described second supporting portion (32) is connected with second positioning part (35) that is set in described delivery pipe (1) outer side wall, and described positioning step (11) supports described second positioning part (35).
14., it is characterized in that described tail end hose device also is provided with inner sleeve (6) as each described tail end hose device of claim 2 to 6, described inner sleeve (6) is connected with described delivery pipe (1).
15. tail end hose device as claimed in claim 14, it is characterized in that, the upper end portion of described delivery pipe (1) is provided with first pipe clamp (71), the inner end of described first supporting portion (31) is connected with first positioning part (34) that is set in described delivery pipe (1) outer side wall, described first positioning part (34) described first pipe clamp of butt (71); Described inner sleeve (6) is connected by second pipe clamp (72) with the underpart of described delivery pipe (1), the inner end of described second supporting portion (32) is connected with second positioning part (35) that is set in described delivery pipe (1) outer side wall, and described second pipe clamp (72) supports described second positioning part (35).
16. a concrete mixer comprises boom; It is characterized in that, comprise as each described tail end hose device of claim 1 to 15; The end of described boom is connected with the upper end portion of described delivery pipe (1).
17. a pipeline transporter comprises delivery pipe (1); It is characterized in that the outer side wall of described delivery pipe (1) is set with quality dish (2), and have the gap between the outer side wall of the inner ring sidewall of described quality dish (2) and described delivery pipe (1); In the above and below of described quality dish (2), has a side to be provided with to protrude from the supporting portion of described delivery pipe (1) outer side wall at least, be connected by elastic member between described quality dish (2) and the described supporting portion, so that described quality dish (2) is along the axial double vibrations of described delivery pipe (1).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102033656A CN101839066B (en) | 2010-06-11 | 2010-06-11 | Tail end hose device, concrete pump vehicle and pipeline transporter |
| PCT/CN2011/075515 WO2011153948A1 (en) | 2010-06-11 | 2011-06-09 | Tail end hose device, concrete pump vehicle and pipeline delivery device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102033656A CN101839066B (en) | 2010-06-11 | 2010-06-11 | Tail end hose device, concrete pump vehicle and pipeline transporter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101839066A CN101839066A (en) | 2010-09-22 |
| CN101839066B true CN101839066B (en) | 2011-09-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010102033656A Active CN101839066B (en) | 2010-06-11 | 2010-06-11 | Tail end hose device, concrete pump vehicle and pipeline transporter |
Country Status (2)
| Country | Link |
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| CN (1) | CN101839066B (en) |
| WO (1) | WO2011153948A1 (en) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101839066B (en) * | 2010-06-11 | 2011-09-28 | 三一重工股份有限公司 | Tail end hose device, concrete pump vehicle and pipeline transporter |
| CN102071810B (en) * | 2011-01-24 | 2012-10-03 | 徐工集团工程机械股份有限公司建设机械分公司 | Concrete pump truck and terminal hose device thereof |
| CN102506111A (en) * | 2011-11-09 | 2012-06-20 | 中联重科股份有限公司 | Elastic damper, material distribution arm support and concrete material distribution equipment |
| CN103195249B (en) * | 2012-01-09 | 2015-06-17 | 中联重科股份有限公司 | Concrete pumping equipment and pouring end hose thereof |
| CN102720363B (en) * | 2012-06-21 | 2015-04-01 | 三一汽车制造有限公司 | Arm support device and concrete pump truck |
| CN103147579B (en) * | 2013-01-09 | 2016-03-30 | 广西大都混凝土集团有限公司 | Safety device for tail end hose of pump truck |
| CN103967998B (en) * | 2014-04-30 | 2016-08-17 | 宁波华斯特林电机制造有限公司 | A kind of Stirling motor shock-absorbing device |
| CN105239782B (en) * | 2014-07-08 | 2017-07-04 | 中联重科股份有限公司 | The arm joint component and absorbing arm support of concrete pumping |
| CN105370042B (en) * | 2014-08-26 | 2017-09-29 | 中联重科股份有限公司 | Pipeline transport system, concrete mixer and concrete conveying equipment |
| DE102016203116A1 (en) * | 2016-02-26 | 2017-08-31 | Deckel Maho Pfronten Gmbh | Machining unit for a machine tool and machine tool with such a processing unit |
| CN112681752B (en) * | 2020-12-16 | 2022-06-21 | 重庆建工集团股份有限公司 | Concrete pump pipe fixing device |
| CN115182957B (en) * | 2022-06-24 | 2023-06-02 | 安徽工程大学 | Active electromagnetic softening device and method for vibration suppression of grouting hose |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN101839066A (en) | 2010-09-22 |
| WO2011153948A1 (en) | 2011-12-15 |
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