CN209523482U - Pumping system and engineering machinery with it - Google Patents

Abstract

The utility model provides a kind of pumping system and the engineering machinery with it, wherein pumping system includes: hopper rear wall plate, is provided with fixation hole on hopper rear wall plate；The first part of fixed pin, fixed pin is threaded through in fixation hole；Valve mounting assembly is put, the pendulum valve mounting assembly includes pendulum valve oil cylinder seat, is provided with location hole corresponding with fixed pin in the pendulum valve oil cylinder seat, the second part of fixed pin is threaded through in location hole, and is put and be fixedly connected between valve oil cylinder seat and hopper rear wall plate.The technical solution of the utility model effectively solves the higher problems of the fixed structure production cost of key in the prior art and keyway.

Description

Pumping system and engineering machinery with it

Technical field

The utility model relates to engineering machinery fields, in particular to a kind of pumping system and with its engineering machine Tool.

Background technique

Common engineering machinery when pump truck is a kind of concrete work, wherein pumping system is the core component of pump truck.Mesh The pumping system of preceding pump truck on the market is usually to mill out the key outwardly protruded in pendulum valve oil cylinder seat, in hopper rear wall plate A keyway compatible with key is milled out on upper corresponding position, pendulum valve oil cylinder seat is carried out by the cooperation of key and keyway preliminary Positioning, then the connection that valve oil cylinder seat is welded on hopper rear wall plate between realization pendulum valve oil cylinder seat and hopper rear wall plate will be put and consolidated It is fixed.

On the one hand, it since that there is welding positions is poor for processing, puts between the key of valve oil cylinder seat and the keyway of hopper rear wall plate There are certain interval, when key and keyway cooperate there are certain deviation between the physical location and predeterminated position of pendulum valve housing, Cause welding position inaccurate.On the other hand, due to the presence in gap, in pumping system operating, pendulum valve oil cylinder seat is subject to Impact is all transmitted on weldering line, is be easy to cause between pendulum valve oil cylinder seat and hopper rear wall plate and is snapped.In addition, the life of key and keyway The cost is relatively high for production.

Utility model content

The utility model is intended to provide a kind of pumping system and the engineering machinery with it, with solve in the prior art key and The higher problem of fixed structure production cost of keyway.

To achieve the goals above, one aspect according to the present utility model provides a kind of pumping system, comprising: material Struggle against rear wall plate, is provided with fixation hole on hopper rear wall plate；The first part of fixed pin, fixed pin is threaded through in fixation hole；Put valve Mounting assembly, pendulum valve mounting assembly include pendulum valve oil cylinder seat, put and are provided with location hole corresponding with fixed pin in valve oil cylinder seat, Gu The second part of rationed marketing is threaded through in location hole, and is put and be fixedly connected between valve oil cylinder seat and hopper rear wall plate.

Further, fixed pin and fixation hole interference fit, fixed pin and location hole interference fit.

Further, fixation hole is blind hole or through-hole.

Further, pendulum valve mounting assembly further include hanging, hanging be arranged in pendulum valve oil cylinder seat lower section and with after hopper Wallboard is fixedly connected, and first groove is provided in hanging, and hopper rear wall plate is provided with second on position corresponding with first groove Groove, first groove can be mating with second groove.

Further, pendulum valve mounting assembly further includes pendulum valve oil cylinder seat plate, and the setting of pendulum valve oil cylinder seat plate is in pendulum valve oil cylinder seat It is fixedly connected between hanging, and with hopper rear wall plate.

Further, it puts in valve oil cylinder seat and is provided with axis hole, the axis of axis hole is angularly arranged with horizontal line.

Further, it puts between valve oil cylinder seat and hopper rear wall plate and is welded to connect, pendulum valve mounting assembly is two groups, two groups of pendulum Valve mounting assembly is symmetrically arranged on hopper rear wall plate.

Further, fixed pin is multiple, the setting of multiple fixed pin intervals, and location hole is multiple, multiple location holes and more A fixed pin is arranged correspondingly.

Further, fixed pin includes first section being arranged in fixation hole and second be arranged in location hole Section, multiple first through slots are provided in first section, the first through slot runs through the inside and outside wall of first section, and along the axis of first section Extend to end, be provided with multiple second through slots in second section, the second through slot runs through the inside and outside wall of second section, and along the Two the axial of section extend to end.

Another aspect according to the present utility model, provides a kind of engineering machinery, including pumping system, and pumping system is upper The pumping system stated.

Using the technical solution of the utility model, it is provided with fixation hole on hopper rear wall plate, is set in pendulum valve oil cylinder seat Location hole is set, fixed pin is threaded through in fixation hole and location hole and realizes that the connection between pendulum valve oil cylinder seat and hopper rear wall plate is consolidated It is fixed.Fixed pin is readily produced, fixation hole and location hole are easy to process, and above structure significantly reduces pendulum valve oil cylinder seat and hopper Between rear wall plate the production cost of connection structure and simplify assembly technology, be conducive to improve production efficiency.

Detailed description of the invention

The accompanying drawings constituting a part of this application is used to provide a further understanding of the present invention, this is practical Novel illustrative embodiments and their description are not constituteed improper limits to the present invention for explaining the utility model. In the accompanying drawings:

Fig. 1 shows the positive structure diagram of the embodiment one of pumping system according to the present utility model；

Fig. 2 shows the exploded structural schematic diagrams of the pumping system of Fig. 1；

Fig. 3 shows the A-A of the pumping system of Fig. 1 to schematic cross-sectional view；

Fig. 4 shows the structural schematic diagram of the fixed pin of the pumping system of Fig. 1；

Fig. 5 shows the structural schematic diagram of the hanging of the pumping system of Fig. 1；

Fig. 6 shows the partial structural diagram of the hopper rear wall plate of the pumping system of Fig. 1；

Fig. 7 shows the schematic cross-sectional view of the embodiment two of pumping system according to the present utility model；

Fig. 8 shows the structural schematic diagram of the fixed pin of the pumping system of Fig. 7；And

Fig. 9 shows the schematic cross-sectional view of the embodiment three of pumping system according to the present utility model.

Wherein, the above drawings include the following reference numerals:

1, valve oil cylinder seat is put；11, location hole；5, hopper rear wall plate；51, fixation hole；52, second groove；8, fixed pin； 81, first section；82, second section；83, the first through slot；84, the second through slot；85, lattice；9, it hangs；91, first groove； 10, valve oil cylinder seat plate is put.

Specific embodiment

Below in conjunction with the attached drawing in the embodiment of the present application, technical solutions in the embodiments of the present application carries out clear, complete Site preparation description, it is clear that described embodiments are only a part of embodiments of the present application, instead of all the embodiments.Below Description only actually at least one exemplary embodiment be it is illustrative, never as to the application and its application or making Any restrictions.Based on the embodiment in the application, those of ordinary skill in the art are not making creative work premise Under every other embodiment obtained, shall fall in the protection scope of this application.

It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singular Also it is intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet Include " when, indicate existing characteristics, step, operation, device, component and/or their combination.

Unless specifically stated otherwise, positioned opposite, the digital table of the component and step that otherwise illustrate in these embodiments Up to the unlimited scope of the present application processed of formula and numerical value.Simultaneously, it should be appreciated that for ease of description, each portion shown in attached drawing The size divided not is to draw according to actual proportionate relationship.For technology, side known to person of ordinary skill in the relevant Method and equipment may be not discussed in detail, but in the appropriate case, and the technology, method and apparatus should be considered as authorizing explanation A part of book.In shown here and discussion all examples, any occurrence should be construed as merely illustratively, and Not by way of limitation.Therefore, the other examples of exemplary embodiment can have different values.It should also be noted that similar label Similar terms are indicated in following attached drawing with letter, therefore, once it is defined in a certain Xiang Yi attached drawing, then subsequent attached It does not need that it is further discussed in figure.

Embodiment one:

As depicted in figs. 1 and 2, the pumping system of embodiment one includes hopper, pendulum valve and the pendulum valve peace being arranged on hopper Arrangement, wherein hopper has hopper rear wall plate 5, and pendulum valve includes rocker arm and piston, and pendulum valve mounting assembly is for being fixedly mounted pendulum Valve.Specifically, pendulum valve mounting assembly includes pendulum valve oil cylinder seat 1, after pendulum valve oil cylinder seat 1 is fixedly connected on hopper by fixed pin 8 On wallboard 5, piston is connected between pendulum valve oil cylinder seat 1 and rocker arm.Specifically, it is provided with fixation hole 51 on hopper rear wall plate 5, Gu The first part of rationed marketing 8 is threaded through in fixation hole 51, puts and is provided with location hole 11 corresponding with fixed pin 8 in valve oil cylinder seat 1, Gu The second part of rationed marketing 8 is threaded through in location hole 11, and puts and welding company can be used between valve oil cylinder seat 1 and hopper rear wall plate 5 Connect fixation.

Using the technical solution of the present embodiment, fixation hole 51 is provided on hopper rear wall plate 5, in pendulum valve oil cylinder seat 1 Location hole 11 is set, fixed pin 8 is threaded through in fixation hole 51 and location hole 11 and realizes pendulum valve oil cylinder seat 1 and hopper rear wall plate 5 Between be connected and fixed.Fixed pin 8 is readily produced, fixation hole 51 and location hole 11 are easy to process, and above structure greatly reduces It the production cost of connection structure and simplifies assembly technology between pendulum valve oil cylinder seat 1 and hopper rear wall plate 5, be conducive to improve Production efficiency.

In other figs. in unshowned embodiment, hanging and hopper rear wall plate after grafting pre-connection can also pass through it He is fixedly connected mode.

Preferably, the fixed pin 8 of the present embodiment and fixation hole 51 are interference fitted, and fixed pin 8 and location hole 11 are interference fitted. Above structure makes between fixed pin 8 and hopper rear wall plate 5, all will not be by machining tolerance shadow between fixed pin 8 and pendulum valve oil cylinder seat 1 It ringing, the case where installation site is preset on hopper rear wall plate 5, is deviateed in the actual installation position that would not also occur putting valve oil cylinder seat 1, Improve accuracy when pendulum valve oil cylinder seat 1 is installed.

Further, as shown in Fig. 2, the pendulum valve oil cylinder seat 1 of the present embodiment is upper along the vertical direction to be provided with two location holes 11, two interval of location hole 11 settings, correspondingly, the pumping system of the present embodiment also has there are two fixed pin 8, and fixation hole 51 is right It is provided with two with answering, two location holes, 11, two fixation holes 51 are arranged correspondingly with two fixed pins 8.Above structure Pendulum valve oil cylinder seat 1 is effectively limited in the surface pivots of hopper rear wall plate 5.

As shown in figure 3, the fixation hole 51 of the present embodiment is blind hole, to keep hopper inner surface complete.

Specifically, as shown in figure 4, the fixed pin 8 of the present embodiment includes first 81 He of section being arranged in fixation hole 51 Second section 82 in location hole 11 is set, multiple first through slots 83 are provided in first section 81, the first through slot 83 runs through The inside and outside wall of first section 81, and extend along first the axial of section 81 to end, multiple second are provided in second section 82 Through slot 84, the second through slot 84 runs through the inside and outside wall of second section 82, and extends along second the axial of section 82 to end.First is logical First section 81 is divided into multiple spaced valves by slot 83, keeps the end of each valve close radially toward axis.When When first section 81 is protruded into the relatively small fixation hole 51 of size, first section 81 occur elastic deformation and generate radially to Fixed pin 8 is fixed in fixation hole 51 and compensates for machining tolerance by outer elastic force.Similarly, second section 82 is based on above-mentioned original Reason is fixed on fixed pin 8 in location hole 11 and compensates for machining tolerance, and pendulum valve oil cylinder seat 1 is made to be fixed on wall after hopper indirectly On plate 5, the influence of machining tolerance is efficiently avoided, thereby reduces the possibility of weldering line fracture.

Meanwhile the first through slot 83 of first section 81 and the second through slot 84 of second section 82 act on respectively, are independent of each other, Further improve fixed effect.

When the operating of above-mentioned pumping system, since the position of pendulum valve oil cylinder seat 1 is accurate, the impact born of weldering line itself compared with Small, the elasticity of fixed pin 8 can also share a part of impact, further reduced the possibility of weldering line fracture.

As shown in figure 4, the fixed pin 8 of the present embodiment first section 81 and second section 82 junction radially Protrusion forms lattice 85, and when fixed pin 8 is threaded through in fixation hole 51, lattice 85 can be connected on hopper rear wall plate 5, Limitation fixed pin 8 protrudes into the depth of fixation hole 51.Valve oil cylinder seat 1 is corresponding is provided with holding tank to accommodate lattice 85 for pendulum, makes Pendulum valve oil cylinder seat 1 is bonded with hopper rear wall plate 5.

As shown in Figure 5 and Figure 6, the pumping system of the present embodiment further includes hanging 9, and pendulum valve oil cylinder seat 1 is arranged in hanging 9 Lower section is simultaneously fixedly connected with hopper rear wall plate 5.Wherein, first groove 91, hopper rear wall plate 5 and the first ditch are provided in hanging 9 Slot 91 is provided with second groove 52 on corresponding position.First groove 91 is arranged upward in the present embodiment, first groove 91 Width is adapted with the thickness of hopper rear wall plate 5；Second groove 52 is arranged downward, the width of second groove 52 and the thickness of hanging 9 Degree is adapted.The depth of first groove 91 is suitable with the depth of second groove 52, so that first groove 91 can be just with second Groove 52 is mating, realizes the preliminary fixation of hanging 9 with hopper rear wall plate 5.It can be improved hanging 9 and hopper rear wall plate in this way 5 accuracy in welding, and optimize the stress between hanging 9 and hopper rear wall plate 5, reduce hanging 9 and hopper rear wall plate 5 Between weldering line fracture possibility.

As shown in Figure 1 to Figure 3, the pendulum valve mounting assembly of the present embodiment further includes pendulum valve oil cylinder seat plate 10, puts valve oil cylinder seat The setting of plate 10 is fixedly connected between pendulum valve oil cylinder seat 1 and hanging 9 with hopper rear wall plate 5.

As shown in Figure 1, being provided with axis hole in the pendulum valve oil cylinder seat 1 of the present embodiment, axis hole puts the one of valve oil cylinder for fixed End, the axis of axis hole are angularly arranged with horizontal line, there is the axis of axis hole closer to the hunting range of pendulum valve oil cylinder Conducive to the thrust for increasing pendulum valve oil cylinder seat, to improve staring torque.

As shown in Figure 1, the pendulum valve mounting assembly of the present embodiment is two groups, two groups of pendulum valve mounting assemblies are symmetrically arranged at material It struggles against on rear wall plate 5, i.e. the structures such as pendulum valve oil cylinder seat 1, fixed pin 8, hanging 9 and pendulum valve oil cylinder seat plate 10 are symmetrically arranged at material It struggles against on rear wall plate 5.

Embodiment two:

The pumping system of embodiment two changes the structure of fixed pin and the structure of fixation hole on the basis of example 1. As shown in fig. 7, the fixation hole 51 of the present embodiment is through-hole, as shown in figure 8, first section 81 and second section 82 of fixed pin 8 Junction radially inward concave shape at lattice 85.The lattice 85 formed that is recessed is conducive to machine when fixed pin 8 is processed Bed is fixed to fixed pin 8.

Embodiment three:

The pumping system of embodiment three uses screw as fixed pin instead of one He of embodiment on the basis of example 2 Flexible fastening pin in embodiment two.As shown in figure 9, the screw rod of screw is pierced by fixation hole 51, screw from the inside of hopper outward Head be connected to the inner wall of hopper rear wall plate 5, the end of screw rod is threadedly coupled fixations with pendulum valve oil cylinder seat 1, and realization fastens, together Sample can play the role of reducing cost, and improve the accuracy of assembly to a certain extent.

Present invention also provides a kind of engineering machinery, include pumping according to the engineering machinery (not shown) of the present embodiment System, pumping system are the pumping system for including the various embodiments described above all or part technical pattern.The engineering machine of the present embodiment It is stable that tool has the advantages that at low cost, pendulum valve is installed.

It can be seen from the above description that the above embodiments of the utility model achieve the following technical effects:

It is provided with fixation hole on hopper rear wall plate, location hole is set in pendulum valve oil cylinder seat, fixed pin is threaded through solid Determine to realize being connected and fixed between pendulum valve oil cylinder seat and hopper rear wall plate in hole and location hole.Fixed pin is readily produced, fixation hole Easy to process with location hole, above structure significantly reduces the production of connection structure between pendulum valve oil cylinder seat and hopper rear wall plate Cost and simplify assembly technology, be conducive to improve production efficiency.

In the description of the present application, it is to be understood that the noun of locality such as " front, rear, top, and bottom, left and right ", " laterally, vertical, Vertically, orientation or positional relationship indicated by level " and " top, bottom " etc. is normally based on orientation or position shown in the drawings and closes System is merely for convenience of description the application and simplifies description, and in the absence of explanation to the contrary, these nouns of locality do not indicate that It must have a particular orientation or be constructed and operated in a specific orientation with the device or element for implying signified, therefore cannot manage Solution is the limitation to the application protection scope；The noun of locality " inside and outside " refers to inside and outside the profile relative to each component itself.

For ease of description, spatially relative term can be used herein, as " ... on ", " ... top ", " ... upper surface ", " above " etc., for describing such as a device shown in the figure or feature and other devices or spy The spatial relation of sign.It should be understood that spatially relative term is intended to comprising the orientation in addition to device described in figure Except different direction in use or operation.For example, being described as if the device in attached drawing is squeezed " in other devices It will be positioned as " under other devices or construction after part or construction top " or the device of " on other devices or construction " Side " or " under other devices or construction ".Thus, exemplary term " ... top " may include " ... top " and " in ... lower section " two kinds of orientation.The device can also be positioned (80 degree of rotation or being in other orientation) with other different modes, and And respective explanations are made to the opposite description in space used herein above.

In addition, it should be noted that, limiting components using the words such as " first ", " second ", it is only for be convenient for Corresponding components are distinguished, do not have Stated otherwise such as, there is no particular meanings for above-mentioned word, therefore should not be understood as to this Apply for the limitation of protection scope.

The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.

Claims (10)

1. a kind of pumping system characterized by comprising

Hopper rear wall plate (5) is provided with fixation hole (51) on the hopper rear wall plate (5)；

The first part of fixed pin (8), the fixed pin (8) is threaded through in the fixation hole (51)；

Valve mounting assembly is put, the pendulum valve mounting assembly includes pendulum valve oil cylinder seat (1), is provided on the pendulum valve oil cylinder seat (1) The second part of location hole (11) corresponding with the fixed pin (8), the fixed pin (8) is threaded through the location hole (11) In, and be fixedly connected between the pendulum valve oil cylinder seat (1) and the hopper rear wall plate (5).

2. pumping system according to claim 1, which is characterized in that the fixed pin (8) and the fixation hole (51) mistake It is full of cooperation, the fixed pin (8) and the location hole (11) interference fit.

3. pumping system according to claim 2, which is characterized in that the fixation hole (51) is blind hole or through-hole.

4. pumping system according to claim 1, which is characterized in that the pendulum valve mounting assembly further includes hanging (9), institute Hanging (9) setting is stated in the lower section of pendulum valve oil cylinder seat (1) and is fixedly connected with the hopper rear wall plate (5), the hanging (9) it is provided on first groove (91), the hopper rear wall plate (5) is provided on position corresponding with the first groove (91) Second groove (52), the first groove (91) can be mating with the second groove (52).

5. pumping system according to claim 4, which is characterized in that the pendulum valve mounting assembly further includes pendulum valve oil cylinder seat Plate (10), the pendulum valve oil cylinder seat plate (10) are arranged between the pendulum valve oil cylinder seat (1) and the hanging (9), and with it is described Hopper rear wall plate (5) is fixedly connected.

6. pumping system according to claim 4, which is characterized in that be provided with axis hole in the pendulum valve oil cylinder seat (1), institute The axis for stating axis hole is angularly arranged with horizontal line.

7. pumping system according to any one of claim 1 to 6, which is characterized in that the pendulum valve oil cylinder seat (1) and institute It states and is welded to connect between hopper rear wall plate (5), the pendulum valve mounting assembly is two groups, and pendulum valve mounting assembly described in two groups is symmetrically It is arranged on the hopper rear wall plate (5).

8. pumping system according to claim 1, which is characterized in that the fixed pin (8) is multiple, multiple fixations Sell the setting of (8) interval, the location hole (11) be it is multiple, multiple location holes (11) and multiple fixed pins (8) are one by one It is arranged in correspondence with.

9. pumping system according to claim 1, which is characterized in that the fixed pin (8) includes being arranged in the fixation Second section (82) of first section (81) and setting in the location hole (11) in hole (51), first section (81) On be provided with multiple first through slots (83), first through slot (83) runs through the inside and outside wall of first section (81), and along institute It states the axial of first section (81) to extend to end, is provided with multiple second through slots (84) on second section (82), it is described Second through slot (84) runs through the inside and outside wall of second section (82), and prolongs along the axial of second section (82) to end It stretches.

10. a kind of engineering machinery, including pumping system, which is characterized in that the pumping system is any in claim 1 to 9 Pumping system described in.