CN202468815U - Energy absorbing device, vibration attenuation connection structure and concrete center pumping system - Google Patents
Energy absorbing device, vibration attenuation connection structure and concrete center pumping system Download PDFInfo
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- CN202468815U CN202468815U CN 201220020881 CN201220020881U CN202468815U CN 202468815 U CN202468815 U CN 202468815U CN 201220020881 CN201220020881 CN 201220020881 CN 201220020881 U CN201220020881 U CN 201220020881U CN 202468815 U CN202468815 U CN 202468815U
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Abstract
The utility model discloses an energy absorbing device, a vibration attenuation connection structure and a concrete center pumping system. The technical problems in the prior art that a connection component has a poor vibration attenuation effect, and a piston head in a center pump is easy to eccentrically wear and damage, can be solved. The energy absorbing device comprises a clamping sleeve and an energy absorbing ring; the clamping sleeve and the energy absorbing ring are annular or tubular; the energy absorbing ring is nested in the clamping sleeve; the outer surface of the energy absorbing ring is abutted to the inner surface of the clamping sleeve; the energy absorbing ring is made of a flexible material; and the strength and the rigidity of the clamping sleeve are more than those of the energy absorbing ring. The vibration attenuation connection structure comprises the energy absorbing device. The concrete center pumping system comprises the vibration attenuation connection structure and a second vibration attenuation connection structure. With the adoption of the concrete center pumping system provided by the utility model, the mounting height of a water tank can be adjusted, so that the assembly error of each connection component can be effectively reduced. Furthermore, the concrete center pumping system provided by the utility model further brings more convenience to installation and regulation of the connection component, can better overcome the assembly error, and has the advantages of good vibration attenuation property and simple structure.
Description
Technical field
The utility model relates to field of mechanical technique, the center pumping system that is specifically related to a kind of energy absorption device, the vibration reducing and connecting structure of this energy absorption device is set and this vibration reducing and connecting structure is set.
Background technique
Concrete center pumping system is the cardia of concrete mixer, is the critical component of realizing concrete pumping, and the concrete that concrete center pumping system is used to pumping provides constant power.
The one-piece element of concrete center pumping system for being assembled into by component such as hopper, tank, pumping master cylinder, pumping cylinders.At present, the central pump system is as shown in Figure 1 all to adopt hopper to connect 2 fixed forms that are connected with tank, and promptly hopper 17 carries out hinge with hopper pin rocker bearing 12 through bearing pin 13 through hopper articulated slab 11 and is connected; Tank 18 is fixedly connected with tank connecting body 14; The two ends of tank connecting body 14 are axle shape structure; And match with different tank pin rocker bearings 16 respectively in the two ends of tank connecting body 14, and tank connecting body 14 is fixed on the tank pin rocker bearing 16 by fixed plate 15 and bolt 110.Hopper articulated slab 11 is rigidly fixed on the hopper 17, and hopper pin rocker bearing 12 all is rigidly fixed on the subframe 19 with tank pin rocker bearing 16.
There is following technical problem at least in existing technology:
As shown in Figure 1; Because connected element and the connected element effectiveness in vibration suppression between tank 18 and the subframe 19 between hopper 17 and the subframe 19 are relatively poor; The vibration meeting that causes in the central pump system work process conducts to subframe 19 and even whole concrete mixer through the connected element between the connected element between hopper 17 and the subframe 19 and tank 18 and the subframe 19; The jib that causes getting on the bus rocks more serious, influences the stability of car load (being whole concrete mixer);
Simultaneously; Because the cooperation between each connected element does not have regulated quantity, and always have certain error during as installed, the connected element between connected element between hopper 17 and the subframe 19 and tank 18 and the subframe 19 is fastening afterwards easily to central pump generation additional force; Caused the location; Make that the pumping master cylinder is that the short time set that central pump internal system in the pumping process produces can't effectively discharge, cause piston head to be prone to eccentric wear (referring to that inhomogeneous or local environment badly produces the phenomenon of concentrated wear owing to external action) and damage that piston head wearing and tearing back replacing is comparatively difficult; And cost is higher, causes user's complaint easily.
The model utility content
The purpose of the utility model is the concrete center pumping system that proposes a kind of energy absorption device, the vibration reducing and connecting structure of this energy absorption device is set and this vibration reducing and connecting structure is set.Solved existing technology and existed the connected element effectiveness in vibration suppression relatively poor, the piston head in the central pump is prone to eccentric wear and the technical problem damaged.
For realizing above-mentioned purpose, the utility model provides following technological scheme:
The energy absorption device that the utility model embodiment is provided comprises cutting ferrule and energy-absorbing ring, wherein:
Said cutting ferrule and said energy-absorbing ring are ring-type or tubulose, and said energy-absorbing ring is embedded within the said cutting ferrule, and the contacted inner surfaces of the outer surface of said energy-absorbing ring and said cutting ferrule connects;
Said energy-absorbing ring is that flexible material is processed, and the intensity of said cutting ferrule and rigidity are greater than said energy-absorbing ring.
Preferably; The port edge of said cutting ferrule is installed with the anticreep convex edge of extending towards the direction of the shaft axis of approaching said cutting ferrule; Offer the groove more than or two on one of them in the outer surface of the internal surface of said cutting ferrule and said energy-absorbing ring; Wherein be installed with the raised line of respective numbers on another, said raised line is embedded in the said groove; And/or said cutting ferrule is that rigid material is processed, and said energy-absorbing ring is that rubber material is processed.
Preferably, said cutting ferrule and said anticreep convex edge are integral structure and are metallic material and process that said raised line forms the annulus around the outer surface of said energy-absorbing ring;
And/or said raised line and said groove are drive fit;
And/or the external frame of the interior profile of the cross section of said cutting ferrule and the cross section of said energy-absorbing ring is circle, ellipse or polygonal.
Preferably, both are the solid of rotation shape said cutting ferrule and said energy-absorbing ring, and both coaxial lines.
Preferably, said cutting ferrule internal surface offers at least three said grooves, and wherein two said grooves are distributed in the joint of said anticreep convex edge and said cutting ferrule, and another said groove is distributed in the medium position place on the said cutting ferrule axial direction.
The vibration reducing and connecting structure that the utility model embodiment is provided is characterized in that, the energy absorption device that comprise connecting body, offer threaded fastening piece, bearing pin and above-mentioned the utility model embodiment is provided, wherein:
Said connecting body comprises the location body of column and is fixedly arranged on the convex edge, location on the body circumferential exterior surface of said location; Convex edge, said location is fixedly connected with first movement parts; Offer on the body of said location and screw is installed and concave station is installed; The axial direction of said installation screw parallels with the axial direction of said location body or is consistent, and said installation screw is communicated with said installation concave station each other;
Said energy absorption device is embedded in the said installation concave station and the circumferential exterior surface of the said cutting ferrule of said energy absorption device and the inwall of said installation concave station connect;
The first portion of said bearing pin is embedded in the energy-absorbing ring of said energy absorption device, and the contacted inner surfaces of the outer surface of the first portion of said bearing pin and said energy-absorbing ring connects;
Offer on the said fastening piece that threaded part is threaded with said installation screw and connect with the first portion of said bearing pin;
The second portion of said bearing pin is embedded in the mounting hole on second movement parts.
Preferably; Said fastening piece is a screw rod; Also be arranged with screwed retaining ring on the said fastening piece; The position of said screwed retaining ring embeds between the part of said installation screw between the head and the said fastening piece of said fastening piece, offers threaded part on said screwed retaining ring and the said fastening piece and is threaded;
And/or; Said bearing pin also is covered with the cap body of cap shape away from the end of its said first portion; The outer surface of said cap body offers limited step; Said limited step comprises the orthogonal first continuous terrace and second terrace, the structure that said first terrace and said second terrace form and the inboard periphery liquid sealing butt of said mounting hole;
And/or; This vibration reducing and connecting structure also comprises base, backing plate and positioning screwn; Said base be fixedly connected with said first movement parts or with said first movement parts be integral structure, and offer fixing threaded hole on the base, said location offers positioning through hole on the convex edge; Offer fixed via on the said backing plate, said positioning screwn is offered threaded part and is passed said positioning through hole, said fixed via and be threaded with said fixing threaded hole;
And/or said location body is the solid of rotation shape, and said fastening piece and said connecting body coaxial line;
And/or the second portion of said bearing pin and first portion's coaxial line also are installed with spacing preiection between the said second portion of said bearing pin and the said first portion, and said spacing preiection is around the circumferential exterior surface of said bearing pin.
Preferably, said positioning through hole is the corresponding to slotted hole of length direction of length direction and said connecting body;
And/or; Also be arranged with the cover shape cover and the ring bodies that offer installation through holes on the second portion of said bearing pin; Said ring bodies is embedded within the said cover shape cover; Said ring bodies is that flexible material is processed, and said cover shape cover connects with said spacing preiection away from the part of said ring bodies, and said ring bodies connects with said second movement parts away from the part of said cover shape cover.
The concrete center pumping system that the utility model embodiment is provided comprises the vibration reducing and connecting structure that hopper, tank, subframe and above-mentioned the utility model embodiment are provided, and said subframe comprises two structural members, wherein:
Said first movement parts is two said structural members of said subframe;
Said second movement parts is said tank, and the position of said tank is between two said structural members of said subframe, and each said structural member all is connected with said tank through said vibration reducing and connecting structure.
Preferably; This concrete center pumping system also comprises and being connected with two said construct of said subframe respectively or being tabular lug boss, being fixedly arranged on the connecting base and second vibration reducing and connecting structure of said feed hopper bottom both sides respectively for integral structure; Said second vibration reducing and connecting structure comprises energy absorption device and the attaching nut that connecting screw rod, above-mentioned the utility model embodiment are provided, wherein:
Said connecting base in the said feed hopper bottom both sides on each side includes two and is tabular male part, and the said lug boss that is fixedly connected on each said structural member all is embedded between two said male part;
The said cutting ferrule of said energy absorption device is embedded in the connecting through hole on the said lug boss and the outer surface of said cutting ferrule and the inwall of said connecting through hole connect;
Said connecting screw rod passes said male part and said energy-absorbing ring, and the contacted inner surfaces of the outer surface of said connecting screw rod and said energy-absorbing ring connects, and said screw rod is offered threaded part and extended said energy-absorbing ring and be threaded with said attaching nut.
Based on the arbitrary technological scheme in the technique scheme, the utility model embodiment can produce following technique effect at least:
In the energy absorption device that the utility model embodiment is provided, because the energy-absorbing ring is that flexible material is processed, after it affords the impact force from cutting ferrule; Can absorb the energy of impact force, thereby realize shock absorbing power, the effect that reduces to vibrate, simultaneously; Because the intensity of cutting ferrule is bigger; So not only played the effect of protection energy-absorbing ring, but also can the impact force that it bore evenly be applied to the energy-absorbing ring, so together play well with the energy-absorbing ring, the effect of reliable vibration damping, energy-absorbing;
Because above-mentioned energy absorption device can produce well, the effect of reliable vibration damping, energy-absorbing; So the concrete center pumping system that the vibration reducing and connecting structure of this energy absorption device is set and this vibration reducing and connecting structure is set all has resistance to shock preferably, vibration damping bindiny mechanism can effectively absorb between the structural member of tank and subframe up and down and the vibration of front and back (on the length direction at subframe) direction.Second vibration reducing and connecting structure can effectively absorb between the structural member of hopper and subframe up and down and the vibration of fore-and-aft direction; Even there is certain error during as installed between the connected element; Error also can balance out through the distortion of energy-absorbing ring; And then the pumping master cylinder be the short time set that produces of central pump internal system in the pumping process can be through energy absorption device in the distortion of energy-absorbing ring discharge; So piston head is difficult for eccentric wear and damages, exist the connected element effectiveness in vibration suppression relatively poor so solved existing technology, the piston head in the central pump is prone to eccentric wear and the technical problem damaged.
The optimal technical scheme of the utility model also can produce following advantage at least:
The slotted hole that is shaped as owing to the positioning through hole on the connecting body in the vibration reducing and connecting structure; So can go up the position of connecting body is regulated at the length direction (promptly vertical) of connecting body; Simultaneously, bearing pin is embedded in the energy-absorbing ring of energy absorption device, and the axial direction (promptly horizontal) that can be implemented in bearing pin through the adjusting fastening piece is gone up the position of bearing pin is regulated; Backing plate the adjusting that can realize the tank setting height(from bottom) is set, thereby the assembly error between each connected element of more efficiently minimizing.Therefore, the utility model also have connected element installation, regulate more conveniently, can better overcome the advantage of assembly error.
Description of drawings
Accompanying drawing described herein is used to provide the further understanding to the utility model, constitutes the application's a part, and illustrative examples of the utility model and explanation thereof are used to explain the utility model, do not constitute the improper qualification to the utility model.In the accompanying drawings:
Fig. 1 is the schematic perspective view of concrete center pumping system in the existing technology;
The schematic representation of the installation process of cutting ferrule and energy-absorbing ring in the energy absorption device that Fig. 2 is provided for the utility model embodiment;
The schematic perspective view of the annexation between the vibration damping connection device that Fig. 3 is provided for the utility model embodiment and first movement parts, second movement parts;
The partial schematic sectional view of the annexation between the vibration damping connection device that Fig. 4 is provided for the utility model embodiment and first movement parts, second movement parts;
The schematic perspective view of the annexation between second vibration damping connection device that Fig. 5 is provided for the utility model embodiment and lug boss, the male part;
The partial schematic sectional view of the annexation between second vibration damping connection device that Fig. 6 is provided for the utility model embodiment and lug boss, the male part.
Embodiment
Through accompanying drawing and embodiment, the technological scheme of the utility model is done further detailed description below.
The utility model embodiment provides a kind of effectiveness in vibration suppression energy absorption device relatively good, simple in structure, easy for installation, vibration reducing and connecting structure and a kind of intrasystem piston head life-span is long, the stability of a system is more good concrete center pumping system.
Like Fig. 2, Fig. 3 and shown in Figure 4; The energy absorption device that the utility model embodiment is provided; Comprise cutting ferrule 21 and energy-absorbing ring 22; Wherein: cutting ferrule 21 and energy-absorbing ring 22 are ring-type or tubulose, and energy-absorbing ring 22 is embedded within the cutting ferrule 21, and the contacted inner surfaces of the outer surface of energy-absorbing ring 22 and cutting ferrule 21 connects.Energy-absorbing ring 22 is processed for flexible material, and the intensity of cutting ferrule 21 and rigidity are greater than energy-absorbing ring 22.
Because energy-absorbing ring 22 is processed for flexible material; After it affords the impact force from cutting ferrule 21, the energy of impact force be can absorb, thereby shock absorbing power, the effect that reduces to vibrate realized; When the intensity of cutting ferrule 21 and rigidity are all bigger; Not only played the effect of protection energy-absorbing ring 22, but also can the impact force that it bore evenly be applied to energy-absorbing ring 22, so together play well with energy-absorbing ring 22, the effect of reliable vibration damping, energy-absorbing.
The port edge of cutting ferrule 21 is installed with the anticreep convex edge 211 that court extends near the direction of the shaft axis of cutting ferrule 21 in the present embodiment; Offer the groove 212 more than or two on one of them in the outer surface of the internal surface of cutting ferrule 21 and energy-absorbing ring 22; Wherein be installed with the raised line 221 of respective numbers on another; Raised line 221 is embedded in the groove 212, and raised line 221 is preferably drive fit with groove 212.
Anticreep convex edge 211, groove 212 can prevent all that with the cooperating structure of raised line 221 energy-absorbing ring 22 from getting loose in cutting ferrule 21, help to improve the reliability in the energy absorption device working procedure.
The cutting ferrule 21 of rigid material can better protection energy-absorbing ring 22, and the impact force of simultaneously self being born is applied to energy-absorbing ring 22 everywhere uniformly.Rubber material has advantage with low cost.
Metallic material has rigidity and toughness preferably.Integral structure can adopt the manufacturing of single forming technology rapid batch.Certainly, the material of cutting ferrule 21 and energy-absorbing ring 22 also can be processed for the other materials outside the above cited material.
The external frame of the cross section of the interior profile of the cross section of cutting ferrule 21 and energy-absorbing ring 22 is circle, ellipse or polygonal in the present embodiment, is preferably circle.
Above-mentioned shape comparison rule is convenient to make.The interior profile of cross section is applied to energy-absorbing ring 22 everywhere more uniformly for the impact force that circular cutting ferrule 21 can bear self.
In the present embodiment cutting ferrule 21 and energy-absorbing ring 22 both be the solid of rotation shape, and both coaxial lines.This structure is convenient to assembling, also is convenient to fastening piece 24 after assembling and inserts energy-absorbing ring 22.
Raised line 221 is consistent with the number of groove 212 in the present embodiment, and raised line 221 is around the circumferential exterior surface of energy-absorbing ring 22.The axial direction of the direction of extension of raised line 221 and energy-absorbing ring 22 is perpendicular or have acute angle or an obtuse angle angle; Be preferably perpendicular; Cutting ferrule 21 internal surfaces are preferably and offer three grooves 212; Wherein two grooves 212 are distributed in the joint of anticreep convex edge 211 and cutting ferrule 21, and another groove 212 is distributed in the medium position place on cutting ferrule 21 axial directions, are embedded in the edge that raised lines 221 in the groove 212 of anticreep convex edge 211 and the joint of cutting ferrule 21 are preferably the port that is positioned at energy-absorbing ring 22.
Raised line 221 not only is convenient to make in the said structure, and it cooperates area bigger with groove 212, helps forming the more firm structure that removably connects.
Certainly, the number of groove 212 or raised line 221 can also be provided with more or less, and its position also can change to some extent.
Vibration reducing and connecting structure as shown in Figure 4, that present embodiment provided comprises connecting body as shown in Figure 4 23, offers the energy absorption device as shown in Figure 2 that threaded fastening piece 24, bearing pin 25 and the arbitrary embodiment of above-mentioned the utility model are provided, wherein:
Connecting body 23 comprises the location body 231 of column as shown in Figure 3 and is fixedly arranged on the convex edge, location 232 on body 231 circumferential exterior surface of location; Convex edge 232, location is fixedly connected with first movement parts 201; Offer on the body 231 of location and screw 233 is installed and concave station 234 is installed; The axial direction of installation screw 233 parallels with the axial direction of location body 231 or is consistent, and installation screw 233 is communicated with installation concave station 234 each other.
Energy absorption device is embedded in the installation concave station 234 and the circumferential exterior surface of the cutting ferrule 21 of energy absorption device connects with the inwall that concave station 234 is installed.The first portion 251 of bearing pin 25 is embedded in the energy-absorbing ring 22 of energy absorption device, and the contacted inner surfaces of the outer surface of the first portion 251 of bearing pin 25 and energy-absorbing ring 22 connects.Offer threaded part on the fastening piece 24 and install that screw 233 is threaded and connect with the first portion 251 of bearing pin 25.The second portion 252 of bearing pin 25 is embedded in the mounting hole 26 on second movement parts 202.
Because fastening piece 24 connects with bearing pin 25, can regulate the position of bearing pin 25 on axial direction through rotating fastening piece 24.The mounting point that has increased connecting body 23 that is provided with of convex edge is installed, and the installation convex edge is preferably and is symmetrically distributed on the body 231 of location.At this moment, the convex edge being installed can more efficientlyly be fixed on first movement parts 201.
Location body 231 can also can be prism-shaped for cylindric in the present embodiment, is preferably cylindric.Columned location body 231 not only is convenient to make, and location body 231 is difficult for concentrating with connected element generation stress around it.
Fastening piece 24 is a screw rod in the present embodiment; Also be arranged with screwed retaining ring 27 on the fastening piece 24; The position of screwed retaining ring 27 embeds between the part that screw 233 is installed between the head and the fastening piece 24 of fastening piece 24; Offer threaded part on screwed retaining ring 27 and the fastening piece 24 and be threaded, and the circumferential outer profile size of screwed retaining ring 27 is greater than the internal diameter size that screw 233 is installed.
Screw rod is not only drawn materials conveniently, and is with low cost, and installs also more convenient.Can regulate fastening piece 24 and the relative position of connecting body 23 through rotating screwed retaining ring 27 along the axial direction of fastening piece 24.
Bearing pin 25 also is covered with the cap body 28 of cap shape in the present embodiment away from the end of its first portion 251; The outer surface of cap body 28 offers limited step; Limited step comprises the orthogonal first continuous terrace 281 and second terrace, 282, the first terraces 281 and the structure of second terrace, 282 formation and the inboard periphery liquid sealing butt of mounting hole 26.
Cap body 28 can prevent the liquid leakage in second movement parts 202 (for example tank), simultaneously, can also protect the inwall of mounting hole 26 not to be worn.
Vibration reducing and connecting structure also comprises base 30, backing plate 31 and positioning screwn 32 in the present embodiment; Base 30 is fixedly connected with first movement parts 201 or is integral structure with first movement parts 201; Be preferably fixed connection, and offer fixing threaded hole on the base 30, the location offers positioning through hole 235 on the convex edge 232; Offer fixed via on the backing plate 31, positioning screwn 32 is offered threaded part and is passed positioning through hole 235, fixed via and be threaded with fixing threaded hole.
Also be arranged with elastic force pad 321 and ring washer 322 on the head of positioning screwn 32 and the positioning screwn between the link 32.On elastic force pad 321 circumferential direction is incomplete annular, wire in the shape of a spiral on the axial direction.Use elastic force pad 321 can play the effect of stopping, thus guarantee between screw and the base 30 be connected more firm.Ring washer 322 can guarantee positioning screwn 32 heads to the convex edge, location 232 of connecting body 23 apply to compress force rate more even.
Location body 231 is the solid of rotation shape in the present embodiment, and fastening piece 24 and connecting body 23 coaxial lines.The power that compresses that 24 pairs of connecting bodys 23 of this structural fasteners are applied is more even.
The second portion 252 and first portion's 251 coaxial lines of bearing pin 25 also are installed with spacing preiection 253 between the second portion 252 of bearing pin 25 and the first portion 251 in the present embodiment.
Spacing preiection 253 stops energy absorption device, and it is too dark to avoid bearing pin 25 to insert the degree of depth of energy-absorbing rings 22.
Positioning through hole 235 is the corresponding to slotted hole of length direction of length direction and connecting body 23 in the present embodiment.Can change the position of bearing pin 25 and connecting body 23 along the length direction (promptly vertical) of connecting body 23 through the position of running fix through hole 235.
Also be arranged with the cover shape cover 33 and the ring bodies 34 that offer installation through holes in the present embodiment on the second portion 252 of bearing pin 25; Ring bodies 34 is embedded within the cover shape cover 33; Ring bodies 34 is processed for flexible material; Cover shape cover 33 parts away from ring bodies 34 connect with spacing preiection 253, and ring bodies 34 connects with second movement parts 202 away from the part of cover shape cover 33.
The composite structure that ring bodies 34 and cover shape cover 33 constitute can play the effect of similar energy absorption device.Spacing preiection 253 can avoid ring bodies 34 and composite structure and the energy absorption device that cover shape cover 33 constitutes to interact.
Spacing preiection 253 is around the circumferential exterior surface of bearing pin 25 in the present embodiment, and spacing preiection 253 is preferably integral structure with bearing pin 25.This structure not only is convenient to turning processing, and spacing preiection 253 and bearing pin 25 to be connected area big, join strength between the two is also bigger.
Like Fig. 3, Fig. 4, Fig. 5 and shown in Figure 6; The concrete center pumping system that the utility model embodiment is provided; Comprise second vibration reducing and connecting structure that vibration reducing and connecting structure that hopper 205, tank, subframe, the arbitrary embodiment of above-mentioned the utility model are provided and the arbitrary embodiment of above-mentioned the utility model are provided; Subframe comprises two structural members (all only indicating one of them structural member among Fig. 3 and Fig. 5), wherein:
Second movement parts 202 is a tank, and the position of tank is between two structural members of subframe, and each structural member all is connected with tank through vibration reducing and connecting structure.
Like Fig. 5 and shown in Figure 6; This concrete center pumping system also comprises and being connected with two construct of subframe respectively or being tabular lug boss 203, being fixedly arranged on the connecting base and second vibration reducing and connecting structure of hopper 205 two bottom sides respectively for integral structure; Second vibration reducing and connecting structure; Comprise energy absorption device as shown in Figure 2 and attaching nut 36 that connecting screw rod 35, the arbitrary embodiment of above-mentioned the utility model are provided, wherein:
Connecting base in hopper 205 two bottom sides on each side includes two and is tabular male part 204, and the lug boss 203 that is fixedly connected on each structural member all is embedded between two male part 204.
The cutting ferrule 21 of energy absorption device is embedded in the connecting through hole on the lug boss 203 and the outer surface of cutting ferrule 21 and the inwall of connecting through hole connect.
Connecting screw rod 35 passes male part 204 and energy-absorbing ring 22, and the contacted inner surfaces of the outer surface of connecting screw rod 35 and energy-absorbing ring 22 connects, and screw rod is offered threaded part and extended energy-absorbing ring 22 and be threaded with attaching nut 36.
Connecting screw rod 35 can be realized being fixedly connected lug boss 203 and male part 204 with the bolt arrangement that attaching nut 36 forms.Energy absorption device can effectively weaken the impact force between lug boss 203 and the male part 204, and then reduces the vibration that produces when lug boss 203 rotates with respect to male part 204.
Also be arranged with the annular gasket 37 of axial surface area in the present embodiment between attaching nut 36 and the lug boss 203 greater than attaching nut 36 axial surface area.The fastening force that annular gasket 37 can make 36 pairs of male part 204 of attaching nut apply conducts to male part 204 more uniformly.
Can also be provided with between the inwall of the connecting through hole in the present embodiment on the lug boss 203 as shown in Figure 6 and the cutting ferrule 21 be fixedly connected with the inwall of connecting through hole or with the inwall of connecting through hole be the circle body 206 of integral structure, the contacted inner surfaces of the outer surface of cutting ferrule 21 and circle body 206 connects.What the impact force that circle body 206 can apply 203 pairs of cutting ferrules 21 of lug boss was relatively more balanced conducts on the cutting ferrule 21.
No matter be between the structural member (i.e. first movement parts 201) of hopper 205 and subframe in the pumping system of above-mentioned center; Still all be provided with energy absorption device between the structural member of subframe and the tank (i.e. second movement parts 202); Thereby can be more efficiently counteracting reduce between the structural member of hopper 205 and subframe and the assembly error that exists between the structural member of subframe and the tank; Weaken between the structural member of hopper 205 and subframe and the vibration that occurs between the structural member of subframe and the tank; And then guarantee that piston can not take place just to grind in the center pumping system work process, thereby improve the life-span of piston.
Certainly; First movement parts 201 also can be merely one of them structural member of subframe; That is to say, also can be only between one of them structural member of subframe and tank, above-mentioned vibration reducing and connecting structure be set, and between another structural member of subframe and tank, use existing linkage structure.With it in like manner, second vibration reducing and connecting structure also can only be arranged between the male part 204 of a side of the lug boss 203 that is fixedly connected on one of them structural member of subframe and hopper 205.At this moment, still can obtain even more ideal effectiveness in vibration suppression with respect to existing technology the utility model.
Pumping optimum system choosing in concrete center is for being applied to delivering concrete in the present embodiment.Weight concrete is bigger, and the vibration in the running is also bigger, so the suitable application vibration reducing and connecting structure that above-mentioned present embodiment provided and second vibration reducing and connecting structure improve its resistance to shock, and then avoids piston head and damages because just grind.
Certainly, the energy absorption device, vibration reducing and connecting structure and second vibration reducing and connecting structure that are provided of the arbitrary embodiment of above-mentioned the utility model also can be applied in other bindiny mechanisms or equipment outside the pumping system of concrete center.
The component or the structural member of the disclosed or connection fastened to each other that relates to of the utility model; Except that other has statement, be fixedly connected all be appreciated that for: can mate fixed connection (for example using the connection of bolt or screw) with dismantling; Also be appreciated that and be: non-removable fixed connection (for example welding); Certainly, connection fastened to each other also can be replaced by integral structure (for example use casting technique is integrally formed to create).
Terms such as vertical, parallel, the coincidence that is used in above-mentioned arbitrary technological scheme of the present disclosure include and its approximate, similar or approaching state in particular for its implication of term of expression geometry site; That is to say and vertically comprise near normal, similar vertical and approaching vertical in the utility model; In like manner, coincidence also comprises approximate coincidence, similar coincidence and approaching the coincidence.
Should be noted that at last: above embodiment only in order to the explanation the utility model technological scheme but not to its restriction; Although with reference to preferred embodiment the utility model has been carried out detailed explanation, the those of ordinary skill in affiliated field is to be understood that: still can make amendment to the embodiment of the utility model perhaps is equal to replacement to the part technical characteristics; And not breaking away from the spirit of the utility model technological scheme, it all should be encompassed in the middle of the technological scheme scope that the utility model asks for protection.
Claims (10)
1. an energy absorption device is characterized in that, comprises cutting ferrule and energy-absorbing ring, wherein:
Said cutting ferrule and said energy-absorbing ring are ring-type or tubulose, and said energy-absorbing ring is embedded within the said cutting ferrule, and the contacted inner surfaces of the outer surface of said energy-absorbing ring and said cutting ferrule connects;
Said energy-absorbing ring is that flexible material is processed, and the intensity of said cutting ferrule and rigidity are greater than said energy-absorbing ring.
2. energy absorption device according to claim 1; It is characterized in that; The port edge of said cutting ferrule is installed with the anticreep convex edge of extending towards the direction of the shaft axis of approaching said cutting ferrule; Offer the groove more than or two on one of them in the outer surface of the internal surface of said cutting ferrule and said energy-absorbing ring, wherein be installed with the raised line of respective numbers on another, said raised line is embedded in the said groove; And/or said cutting ferrule is that rigid material is processed, and said energy-absorbing ring is that rubber material is processed.
3. energy absorption device according to claim 2 is characterized in that, said cutting ferrule and said anticreep convex edge are integral structure and are metallic material and process that said raised line forms the annulus around the outer surface of said energy-absorbing ring;
And/or said raised line and said groove are drive fit;
And/or the external frame of the interior profile of the cross section of said cutting ferrule and the cross section of said energy-absorbing ring is circle, ellipse or polygonal.
4. energy absorption device according to claim 3 is characterized in that, both are the solid of rotation shape said cutting ferrule and said energy-absorbing ring, and both coaxial lines.
5. energy absorption device according to claim 4; It is characterized in that; Said cutting ferrule internal surface offers at least three said grooves; Wherein two said grooves are distributed in the joint of said anticreep convex edge and said cutting ferrule, and another said groove is distributed in the medium position place on the said cutting ferrule axial direction.
6. a vibration reducing and connecting structure is characterized in that, comprise connecting body, offer threaded fastening piece, bearing pin and the arbitrary described energy absorption device of claim 1-5, wherein:
Said connecting body comprises the location body of column and is fixedly arranged on the convex edge, location on the body circumferential exterior surface of said location; Convex edge, said location is fixedly connected with first movement parts; Offer on the body of said location and screw is installed and concave station is installed; The axial direction of said installation screw parallels with the axial direction of said location body or is consistent, and said installation screw is communicated with said installation concave station each other;
Said energy absorption device is embedded in the said installation concave station and the circumferential exterior surface of the said cutting ferrule of said energy absorption device and the inwall of said installation concave station connect;
The first portion of said bearing pin is embedded in the energy-absorbing ring of said energy absorption device, and the contacted inner surfaces of the outer surface of the first portion of said bearing pin and said energy-absorbing ring connects;
Offer on the said fastening piece that threaded part is threaded with said installation screw and connect with the first portion of said bearing pin;
The second portion of said bearing pin is embedded in the mounting hole on second movement parts.
7. vibration reducing and connecting structure according to claim 6; It is characterized in that; Said fastening piece is a screw rod; Also be arranged with screwed retaining ring on the said fastening piece, the position of said screwed retaining ring embeds between the part of said installation screw between the head and the said fastening piece of said fastening piece, offers threaded part on said screwed retaining ring and the said fastening piece and is threaded;
And/or; Said bearing pin also is covered with the cap body of cap shape away from the end of its said first portion; The outer surface of said cap body offers limited step; Said limited step comprises the orthogonal first continuous terrace and second terrace, the structure that said first terrace and said second terrace form and the inboard periphery liquid sealing butt of said mounting hole;
And/or; This vibration reducing and connecting structure also comprises base, backing plate and positioning screwn; Said base be fixedly connected with said first movement parts or with said first movement parts be integral structure, and offer fixing threaded hole on the base, said location offers positioning through hole on the convex edge; Offer fixed via on the said backing plate, said positioning screwn is offered threaded part and is passed said positioning through hole, said fixed via and be threaded with said fixing threaded hole;
And/or said location body is the solid of rotation shape, and said fastening piece and said connecting body coaxial line;
And/or the second portion of said bearing pin and first portion's coaxial line also are installed with spacing preiection between the said second portion of said bearing pin and the said first portion, and said spacing preiection is around the circumferential exterior surface of said bearing pin.
8. vibration reducing and connecting structure according to claim 7 is characterized in that, said positioning through hole is the corresponding to slotted hole of the length direction of length direction and said connecting body;
And/or; Also be arranged with the cover shape cover and the ring bodies that offer installation through holes on the second portion of said bearing pin; Said ring bodies is embedded within the said cover shape cover; Said ring bodies is that flexible material is processed, and said cover shape cover connects with said spacing preiection away from the part of said ring bodies, and said ring bodies connects with said second movement parts away from the part of said cover shape cover.
9. a concrete center pumping system is characterized in that, comprises the arbitrary described vibration reducing and connecting structure of hopper, tank, subframe and claim 6-8, and said subframe comprises two structural members, wherein:
Said first movement parts is two said structural members of said subframe;
Said second movement parts is said tank, and the position of said tank is between two said structural members of said subframe, and each said structural member all is connected with said tank through said vibration reducing and connecting structure.
10. concrete according to claim 9 center pumping system; It is characterized in that; This concrete center pumping system also comprises and being connected with two said construct of said subframe respectively or being tabular lug boss, being fixedly arranged on the connecting base and second vibration reducing and connecting structure of said feed hopper bottom both sides respectively for integral structure; Said second vibration reducing and connecting structure comprises connecting screw rod, the arbitrary described energy absorption device of claim 1-5 and attaching nut, wherein:
Said connecting base in the said feed hopper bottom both sides on each side includes two and is tabular male part, and the said lug boss that is fixedly connected on each said structural member all is embedded between two said male part;
The said cutting ferrule of said energy absorption device is embedded in the connecting through hole on the said lug boss and the outer surface of said cutting ferrule and the inwall of said connecting through hole connect;
Said connecting screw rod passes said male part and said energy-absorbing ring, and the contacted inner surfaces of the outer surface of said connecting screw rod and said energy-absorbing ring connects, and said screw rod is offered threaded part and extended said energy-absorbing ring and be threaded with said attaching nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220020881 CN202468815U (en) | 2012-01-17 | 2012-01-17 | Energy absorbing device, vibration attenuation connection structure and concrete center pumping system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220020881 CN202468815U (en) | 2012-01-17 | 2012-01-17 | Energy absorbing device, vibration attenuation connection structure and concrete center pumping system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202468815U true CN202468815U (en) | 2012-10-03 |
Family
ID=46916974
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220020881 Expired - Lifetime CN202468815U (en) | 2012-01-17 | 2012-01-17 | Energy absorbing device, vibration attenuation connection structure and concrete center pumping system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202468815U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105275210A (en) * | 2014-07-24 | 2016-01-27 | 中联重科股份有限公司 | Pump truck bearing structure and concrete pump truck |
| CN114810769A (en) * | 2021-01-29 | 2022-07-29 | 三一汽车制造有限公司 | Knuckle arm assembly and arm support equipment |
-
2012
- 2012-01-17 CN CN 201220020881 patent/CN202468815U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105275210A (en) * | 2014-07-24 | 2016-01-27 | 中联重科股份有限公司 | Pump truck bearing structure and concrete pump truck |
| CN105275210B (en) * | 2014-07-24 | 2017-07-28 | 中联重科股份有限公司 | A kind of pump truck bearing structure and concrete mixer |
| CN114810769A (en) * | 2021-01-29 | 2022-07-29 | 三一汽车制造有限公司 | Knuckle arm assembly and arm support equipment |
| CN114810769B (en) * | 2021-01-29 | 2024-01-09 | 三一汽车制造有限公司 | Arm-saving assembly and arm support equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: XUZHOU XUGONG SCHWING MACHINERY CO., LTD. Free format text: FORMER OWNER: XCMG CONSTRUCTION MACHINERY CO., LTD. Effective date: 20130814 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20130814 Address after: 221004 No. 29, Peach Road, Xuzhou economic and Technological Development Zone, Jiangsu, Xuzhou Patentee after: XCMG Schwing Machinery Co., Ltd. Address before: 221004 No. 19 Peach Road, Xuzhou Economic Development Zone, Jiangsu, China Patentee before: XCMG Construction Machinery Co., Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20121003 |
|
| CX01 | Expiry of patent term |