CN203730232U - Anti-eccentric-abrasion guide device and mortar pump - Google Patents
Anti-eccentric-abrasion guide device and mortar pump Download PDFInfo
- Publication number
- CN203730232U CN203730232U CN201420019840.8U CN201420019840U CN203730232U CN 203730232 U CN203730232 U CN 203730232U CN 201420019840 U CN201420019840 U CN 201420019840U CN 203730232 U CN203730232 U CN 203730232U
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- Prior art keywords
- piston rod
- piston
- guideway
- eccentric wear
- guiding device
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Abstract
The utility model relates to an anti-eccentric-abrasion guide device and a mortar pump. The anti-eccentric-abrasion guide device comprises a conveying cylinder, a piston, a piston rod, a guide shaft sleeve and a cam drive device. The piston is arranged in the conveying cylinder. The first end of the piston and the first end of the piston rod are connected. The cam drive device is located at the second end of the piston rod. The cam drive device drives the piston rod to move, and the piston rod drives the piston to move in the conveying cylinder in a reciprocating mode. The outer side of the piston rod between the cam drive device and the piston is provided with the guide shaft sleeve. The piston rod penetrates through an inner hole of the guide shaft sleeve and can move in the inner hole of the guide shaft sleeve in a reciprocating mode. The anti-eccentric guide device can prevent the piston from being eccentrically abraded in the working process, the radial vibration generated in the working process of the piston rod is reduced, the piston can be lubricated continuously, abrasion of the piston is reduced, the service life of the piston is prolonged, the high use reliability of the piston is ensured, and the anti-eccentric guide device is fast and convenient to disassemble and assemble.
Description
Technical field
The utility model relates to engineering machinery field, is specifically related to a kind of anti-eccentric wear guiding device and has the mortar pump of this anti-eccentric wear guiding device.
Background technique
Mortar pump is a kind of engineering machinery that slush is transported to specified position.Piston is a kind of pumping mortar Sealing, comprises concrete seal and supports concrete seal matrix.Cam driving gear is that one utilizes cam low pairs replacing high pair principle first cam mechanism to be converted into pendulum handle slotted link mechanism, then utilizes slotted link mechanism to drive the device of piston rod movement.Carrying cylinder is a kind of pipe, inner hard chromium plating, and piston moves therein, to suck or to pump mortar.Piston eccentric wear is due to piston and the reason such as disalignment of carrying cylinder, causes on the annular outer surface of piston wearing and tearing uneven.
Mortar pump in the course of the work, cam mechanism is first converted into slotted link mechanism, then utilizes slotted link mechanism to drive piston rod, piston rod to drive piston to move reciprocatingly in conveying cylinder, piston rod frequently bears alternate load and radial vibration, very easily cause the eccentric wear of piston, and then pumping generation spillage, thereby have a strong impact on pumping construction, directly cause user's strong dissatisfaction.
At present, a kind of mortar pump is that a section of piston rod is directly hooked on rocking handle mechanism by conventional pumping system structure, in movement process, and piston rod radial deflection, and then cause the eccentric wear of piston; And this structure, because assembly space is narrow and small, when assembling hanger type piston rod and pendulum handle, very inconvenient, need to repeatedly adjust, disassembly process wastes time and energy.
Because piston is easily damaged parts, there is the problem of periodic replacement piston.Therefore, the eccentric wear of solution piston and greasy property are to improve the important technology of mortar pump reliability.
Model utility content
The purpose of this utility model is to propose a kind of anti-eccentric wear guiding device and mortar pump, and this anti-eccentric wear guiding device has solved the problems referred to above effectively.
For achieving the above object, the utility model provides following technological scheme:
A kind of anti-eccentric wear guiding device, anti-eccentric wear guiding device comprises carries cylinder, piston, piston rod, guideway and cam driving gear, piston is positioned at carries cylinder, the first end of piston and piston rod is connected, cam driving gear is positioned at the second end of piston rod, cam driving gear drives piston rod movement, piston rod to drive piston to move reciprocatingly in conveying cylinder, piston rod arranged outside guideway between cam driving gear and piston, piston rod from the endoporus of guideway through and can to-and-fro motion the endoporus of guideway.
At one preferably or alternatively in embodiment, anti-eccentric wear guiding device also comprises Returnning spring, Returnning spring is arranged on piston rod outside, cam driving gear comprises pendulum handle device and cam gear, cam gear is connected with pendulum handle device, the second end of putting handle device and piston rod is connected, and the motion of cam gear band movable pendulum handle device, pendulum handle device drive piston rod movement, piston rod to drive piston to move reciprocatingly in conveying cylinder.
At one preferably or alternatively in embodiment, guideway is provided with oil guiding hole, guideway endoporus is provided with lubrication groove, the oil guiding hole of guideway and lubrication groove are communicated with, piston rod cavity is provided with oil leab, the lubrication groove of guideway endoporus and the oil leab of piston rod cavity are communicated with, and the oil leab of piston rod cavity is communicated with piston.
At one preferably or alternatively in embodiment, guideway is provided with Fuel Tanking Unit, guideway endoporus is provided with lubrication groove, the Fuel Tanking Unit of guideway and lubrication groove are communicated with, piston rod cavity is provided with oil leab, the lubrication groove of guideway endoporus and the oil leab of piston rod cavity are communicated with, and the oil leab of piston rod cavity is communicated with piston.
At one, preferably or alternatively in embodiment, the oil leab of piston rod cavity is positioned at the center of piston rod cross section.
At one, preferably or alternatively in embodiment, the first end of guideway is connected to be carried on cylinder outside.
At one, preferably or alternatively in embodiment, the first end of guideway is connected to and is carried on cylinder outside by bolt or screw.
The utility model also provides following technological scheme:
A kind of mortar pump, mortar pump comprises anti-eccentric wear guiding device as above.
Based on the arbitrary technological scheme in technique scheme, the utility model embodiment at least can produce following technique effect:
Because anti-eccentric wear guiding device provided by the utility model comprises conveying cylinder, piston, piston rod, guideway and cam driving gear, piston is positioned at carries cylinder, the first end of piston and piston rod is connected, cam driving gear is positioned at the second end of piston rod, cam driving gear drives piston rod movement, piston rod drives piston to move reciprocatingly in conveying cylinder, piston rod arranged outside guideway between cam driving gear and piston, piston rod from the endoporus of guideway through and can to-and-fro motion the endoporus of guideway, can prevent that piston from eccentric wear occurring in the course of the work, reduce piston rod radially vibratility of when work, can continuous lubrication piston, reduce the wearing and tearing of piston, extend the working life of piston, guarantee the high reliability that piston uses, and dismounting is efficient and convenient.
Brief description of the drawings
Accompanying drawing described herein is used to provide further understanding of the present utility model, forms the application's a part, and schematic description and description of the present utility model is used for explaining the utility model, does not form improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 is the overall structure schematic diagram of anti-eccentric wear guiding device of the present utility model;
Fig. 2 is the partial structurtes schematic diagram of anti-eccentric wear guiding device of the present utility model;
Fig. 3 is the guideway of anti-eccentric wear guiding device of the present utility model and the structural representation of oil leab.
Embodiment
Below by drawings and Examples, the technical solution of the utility model is described in further detail.
It should be noted that: any technical characteristics in the present embodiment, any technological scheme is all one or more in technical characteristics or the optional technological scheme of plurality of optional, cannot exhaustive all alternative technical characteristicss of the present utility model and alternative technological scheme in order to describe succinct need in presents, also the mode of execution that is not easy to each technical characteristics all emphasizes that it is one of optional numerous embodiments, so those skilled in the art should know: any technical characteristics in the present embodiment and any technological scheme all do not limit protection domain of the present utility model, protection domain of the present utility model should comprise that those skilled in the art do not pay the thinkable any alternate embodiments of creative work.
Below in order to narrate conveniently, hereinafter alleged " left side ", " right side ", " on ", left and right, the upper and lower of D score and accompanying drawing itself is to consistent.
As Figure 1-3, a kind of anti-eccentric wear guiding device, anti-eccentric wear guiding device comprises carries cylinder 1, piston 2, piston rod 3, guideway 4 and cam driving gear, piston 2 is positioned at carries cylinder 1, piston 2 is connected with the first end of piston rod 3, cam driving gear is positioned at the second end of piston rod 3, cam driving gear drives piston rod 3 to move, piston rod 3 drives piston 2 to move reciprocatingly in conveying cylinder 1, piston rod 3 arranged outside guideways 4 between cam driving gear and piston 2, piston rod 3 from the endoporus of guideway 4 through and can to-and-fro motion the endoporus of guideway 4.
Piston rod, by guideway radial location, has ensured the coaxality of piston rod and piston, prevents eccentric wear, eliminates the skew that piston rod radially shakes.
When assembling, after piston, piston rod, the assembling of guideway entirety, then integral installation is on pumping system support; When repair demolition, piston, piston rod, guideway can entirety take out, easy accessibility.
Anti-eccentric wear guiding device also comprises Returnning spring 5, Returnning spring 5 is arranged on piston rod 3 outsides, cam driving gear comprises pendulum handle device 9 and cam gear 10, cam gear 10 is connected with pendulum handle device 9, the second end of pendulum handle device 9 and piston rod 3 is connected, and cam gear 10 is with movable pendulum handle device 9 to move, put handle device 9 and drives that piston rod 3 moves, piston rod 3 drives piston 2 to move reciprocatingly in conveying cylinder 1.
Cam driving gear is prior art, no longer launches herein to describe.
Piston rod arranged outside Returnning spring is as long as Returnning spring can make piston rod reset, the particular location or the set-up mode that are arranged on piston rod outside are not construed as limiting, at the particular location in piston rod outside can be for example: if 1 guideway does not wrap up piston rod completely, Returnning spring is arranged on does not have the piston rod of guideway outside; If 2 guideways wrap up piston rod completely, Returnning spring is arranged between the endoporus and piston rod outside of guideway; At the set-up mode in piston rod outside can be for example: Returnning spring can be connected to piston rod outside.
Guideway 4 is provided with oil guiding hole, guideway 4 endoporus are provided with lubrication groove 6, the oil guiding hole of guideway 4 and lubrication groove 6 are communicated with, piston rod 3 inner chambers are provided with oil leab 7, the oil leab 7 of the lubrication groove 6 of guideway 4 endoporus and piston rod 3 inner chambers is communicated with, and the oil leab 7 of piston rod 3 inner chambers is communicated with piston 2.
Oil guiding hole connects oil guide pipe,, back in working procedure, can lubricate in real time at piston successively to lubrication groove, the oil leab of piston rod cavity, the piston of oil guiding hole, guideway endoporus from oil guide pipe oil-feed, reduces the wearing and tearing of piston.
Guideway 4 is provided with Fuel Tanking Unit 8, guideway 4 endoporus are provided with lubrication groove 6, Fuel Tanking Unit 8 and the lubrication groove 6 of guideway 4 are communicated with, piston rod 3 inner chambers are provided with oil leab 7, the oil leab 7 of the lubrication groove 6 of guideway 4 endoporus and piston rod 3 inner chambers is communicated with, and the oil leab 7 of piston rod 3 inner chambers is communicated with piston 2.
Oil storage in Fuel Tanking Unit, back can lubricate in working procedure at piston successively to lubrication groove, the oil leab of piston rod cavity, the piston of oil guiding hole, guideway endoporus in real time from Fuel Tanking Unit is fuel-displaced, reduces the wearing and tearing of piston.In the time that Fuel Tanking Unit does not have oil, Fuel Tanking Unit is carried out to repairing.
The oil leab 7 of piston rod 3 inner chambers is positioned at the center of piston rod cross section.
The first end of guideway 4 is connected to be carried on cylinder 1 outside, has ensured piston rod and the coaxality of carrying cylinder.
The first end of guideway 4 is connected to and is carried on cylinder 1 outside by bolt or screw.
A kind of mortar pump, mortar pump comprises anti-eccentric wear guiding device as above.
The other parts of mortar pump can be with reference to prior art, no longer launches herein to describe.
Above-mentioned arbitrary technological scheme disclosed in the utility model unless otherwise stated, if it discloses number range, so disclosed number range is preferred number range, any it should be appreciated by those skilled in the art: preferred number range is only the obvious or representative numerical value of technique effect in many enforceable numerical value.Because numerical value is more, cannot be exhaustive, so the utility model just discloses part numerical value to illustrate the technical solution of the utility model, and the above-mentioned numerical value of enumerating should not form the restriction of the utility model being created to protection domain.
Simultaneously, if above-mentioned the utility model discloses or has related to component or the structural member of connection fastened to each other, so, unless otherwise stated, be fixedly connected with and can be understood as: can dismantle and be fixedly connected with (for example using bolt or screw to connect), also can be understood as: non-removable being fixedly connected with (for example rivet, weld), certainly, connection fastened to each other also can for example, be replaced (obviously cannot adopt except integrally formed technique) by integral type structure (use casting technique is integrally formed to be created).
In addition, in the disclosed arbitrary technological scheme of above-mentioned the utility model applied for the term that represents position relationship or shape unless otherwise stated its implication comprise and its approximate, similar or approaching state or shape.Arbitrary parts that the utility model provides can be both to be assembled by multiple independent constituent elements, the produced separate part of the technique that also can be one of the forming.
Finally should be noted that: above embodiment is only in order to illustrate that the technical solution of the utility model is not intended to limit; Although the utility model is had been described in detail with reference to preferred embodiment, those of ordinary skill in the field are to be understood that: still can modify or part technical characteristics is equal to replacement embodiment of the present utility model; And not departing from the spirit of technical solutions of the utility model, it all should be encompassed in the middle of the technological scheme scope of the utility model request protection.
Claims (8)
1. an anti-eccentric wear guiding device, it is characterized in that, described anti-eccentric wear guiding device comprises conveying cylinder, piston, piston rod, guideway and cam driving gear, piston is positioned at carries cylinder, the first end of piston and piston rod is connected, cam driving gear is positioned at the second end of piston rod, cam driving gear drives piston rod movement, piston rod drives piston to move reciprocatingly in conveying cylinder, piston rod arranged outside guideway between cam driving gear and piston, piston rod from the endoporus of guideway through and can to-and-fro motion the endoporus of guideway.
2. anti-eccentric wear guiding device according to claim 1, it is characterized in that, described anti-eccentric wear guiding device also comprises Returnning spring, Returnning spring is arranged on piston rod outside, cam driving gear comprises pendulum handle device and cam gear, cam gear is connected with pendulum handle device, and the second end of putting handle device and piston rod is connected, and the motion of cam gear band movable pendulum handle device, pendulum handle device drive piston rod movement, piston rod to drive piston to move reciprocatingly in conveying cylinder.
3. anti-eccentric wear guiding device according to claim 1, it is characterized in that, guideway is provided with oil guiding hole, guideway endoporus is provided with lubrication groove, the oil guiding hole of guideway and lubrication groove are communicated with, piston rod cavity is provided with oil leab, and the lubrication groove of guideway endoporus and the oil leab of piston rod cavity are communicated with, and the oil leab of piston rod cavity is communicated with piston.
4. anti-eccentric wear guiding device according to claim 1, it is characterized in that, guideway is provided with Fuel Tanking Unit, guideway endoporus is provided with lubrication groove, the Fuel Tanking Unit of guideway and lubrication groove are communicated with, piston rod cavity is provided with oil leab, and the lubrication groove of guideway endoporus and the oil leab of piston rod cavity are communicated with, and the oil leab of piston rod cavity is communicated with piston.
5. according to the anti-eccentric wear guiding device described in claim 3 or 4, it is characterized in that, the oil leab of piston rod cavity is positioned at the center of piston rod cross section.
6. anti-eccentric wear guiding device according to claim 1, is characterized in that, the first end of guideway is connected to be carried on cylinder outside.
7. anti-eccentric wear guiding device according to claim 6, is characterized in that, the first end of guideway is connected to and is carried on cylinder outside by bolt or screw.
8. a mortar pump, is characterized in that, described mortar pump comprises the anti-eccentric wear guiding device described in claim 1-7 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420019840.8U CN203730232U (en) | 2014-01-14 | 2014-01-14 | Anti-eccentric-abrasion guide device and mortar pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420019840.8U CN203730232U (en) | 2014-01-14 | 2014-01-14 | Anti-eccentric-abrasion guide device and mortar pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203730232U true CN203730232U (en) | 2014-07-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420019840.8U Expired - Fee Related CN203730232U (en) | 2014-01-14 | 2014-01-14 | Anti-eccentric-abrasion guide device and mortar pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203730232U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103711669A (en) * | 2014-01-14 | 2014-04-09 | 徐州徐工施维英机械有限公司 | Eccentric abrasion prevention guide device and mortar pump |
-
2014
- 2014-01-14 CN CN201420019840.8U patent/CN203730232U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103711669A (en) * | 2014-01-14 | 2014-04-09 | 徐州徐工施维英机械有限公司 | Eccentric abrasion prevention guide device and mortar pump |
| CN103711669B (en) * | 2014-01-14 | 2017-02-15 | 徐州徐工施维英机械有限公司 | Eccentric abrasion prevention guide device and mortar pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140723 Termination date: 20180114 |