CN202228342U - Concrete pumping equipment and concrete pumping piston thereof - Google Patents
Concrete pumping equipment and concrete pumping piston thereof Download PDFInfo
- Publication number
- CN202228342U CN202228342U CN2011203266812U CN201120326681U CN202228342U CN 202228342 U CN202228342 U CN 202228342U CN 2011203266812 U CN2011203266812 U CN 2011203266812U CN 201120326681 U CN201120326681 U CN 201120326681U CN 202228342 U CN202228342 U CN 202228342U
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- Prior art keywords
- piston
- concrete pumping
- flange
- joint shaft
- shaft bearing
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- Expired - Fee Related
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- 238000005086 pumping Methods 0.000 title claims abstract description 80
- 210000004907 gland Anatomy 0.000 claims description 8
- 238000005461 lubrication Methods 0.000 abstract description 6
- 238000012423 maintenance Methods 0.000 abstract description 3
- 238000005299 abrasion Methods 0.000 abstract 2
- 230000001050 lubricating effect Effects 0.000 description 6
- 238000012545 processing Methods 0.000 description 5
- 238000013461 design Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000013585 weight reducing agent Substances 0.000 description 1
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Abstract
The utility model provides a concrete pumping equipment and concrete pumping piston thereof. The concrete pumping piston comprises a piston rod and a piston body, and the piston rod is connected with the piston body through a joint bearing. The concrete pumping piston of the utility model realizes the function of automatic centering through the slight rotation of the joint bearing, thereby effectively reducing the abrasion between the concrete pumping piston and the concrete cylinder body and minimizing the abrasion of the concrete pumping piston; in addition, the self-lubricating joint bearing can be adopted to avoid the operation of applying external lubrication on the joint bearing, so that the maintenance is convenient, and the working efficiency is improved.
Description
Technical field
The utility model relates to a kind of piston and concrete pumping equipment, more specifically, relates to a kind of concrete pumping equipment and concrete pumping piston thereof.
Background technique
In the working procedure of concrete pump; The concrete pumping piston is reciprocating under the push-and-pull action of oil cylinder to be pressed into concrete in the concrete pipe; Owing to can have some trickle errors during because of processing, assembling between pumping oil cylinder and the concrete cylinder; Thereby these errors can make the concrete pumping piston produce eccentric wear causes the concrete pumping piston to reduce working life; Therefore, how to improve concrete pumping piston working life, to promote pump-conveying property be the important directions of carrying out the piston research and design at present.
The most of concrete pumping piston structures that use in the pumping equipment of the prior art are as shown in Figure 1, and it comprises piston rod 1, screw 2 ', first flange 3, screw 4 and piston body 11.Wherein piston rod 1 is rigidly connected through the screw 2 ' and first flange 3, and first flange 3 is rigidly connected through screw 4 and piston body 11 again.Piston body 11 comprises second flange 5, guide ring 6, platen 7, piston ring 8, gland 9 and screw 10.Second flange 5 is connected with first flange 3 through screw 4, and guide ring 6 is clamped between second flange 5 and the platen 7, and platen 7 is fixing through the screw 10 and second flange 5.Piston ring 8 is clamped between platen 7 and the gland 9, and gland 9 is fixing through screw 10.When piston rod 1 generation was reciprocating, piston body 11 was sucking in the concrete cylinder body under the promotion of piston rod 1 or force feed concrete completion pumping work.But can there be error during because of processing, assembling in reality because between concrete cylinder body and the concrete pumping piston; Can not guarantee coaxial fully between concrete pumping piston and the concrete cylinder body and the generation eccentric wear; Thereby cause concrete cylinder body and concrete pumping piston to damage, influence pump-conveying property.
The model utility content
The utility model aims to provide a kind of concrete pumping equipment and concrete pumping piston thereof; To solve in the existing technology owing to can exist error can not guarantee the complete coaxial eccentric wear that produces during because of processing, assembling between concrete pumping piston and the concrete cylinder body, thereby cause the problem of concrete cylinder body and the damage of concrete pumping piston.
For solving the problems of the technologies described above, an aspect according to the utility model provides a kind of concrete pumping piston, comprises piston rod and piston body, is connected through joint shaft bearing between piston rod and the piston body.
Further, the concrete pumping piston comprises first flange, and piston body comprises second flange, and first flange removably is connected with second flange, and piston rod passes the through hole on first flange; The inner ring of joint shaft bearing is connected with piston rod, and its outer ring is connected with first flange.
Further, the concrete pumping piston also comprises baffle plate, and baffle plate is fixed on the head of piston rod, and props up the end face of the inner ring of joint shaft bearing.
Further, the outer ring butt of second flange and joint shaft bearing.
Further, the end of piston rod is step-like, and the end of piston rod comprises first supporting section and the first spacing end face; Baffle plate comprises the second spacing end face; Joint shaft bearing is set on first supporting section, and limits moving axially of joint shaft bearing the first spacing end face and the second spacing end face.
Further, the end of piston rod is step-like, and the end of piston rod comprises first supporting section and the first spacing end face; It is step-like that baffle plate is, and baffle plate comprises second supporting section and the second spacing end face; Joint shaft bearing is set on first supporting section and second supporting section, and limits moving axially of joint shaft bearing the first spacing end face and the second spacing end face.
Further, piston body comprises platen, and platen removably is connected with second flange.
Further, platen is provided with guide ring.
Further, piston body also comprises piston ring, and piston ring is fixed on the platen through gland.
Further, first flange is provided with the waterproof grommet that matches with piston rod.
Further, joint shaft bearing is a self-lubricating knuckle bearing.
Another aspect according to the utility model provides a kind of concrete pumping equipment, comprises above-mentioned concrete pumping piston.
Concrete pumping piston in the utility model is realized the function of self-aligning through the trickle rotation of its joint shaft bearing self; Thereby effectively reduced the wearing and tearing between concrete pumping piston and the concrete cylinder body, the concrete pumping wearing for piston has been reduced to minimum; In addition, also can adopt self-lubricating knuckle bearing removing the operation that apply external lubrication loaded down with trivial details from, thereby make things convenient for maintenance, improved working efficiency at the joint shaft bearing place.
Description of drawings
The accompanying drawing that constitutes the application's a part is used to provide the further understanding to the utility model, 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 has schematically shown concrete pumping structure of piston schematic representation of the prior art; And
Fig. 2 has schematically shown the concrete pumping structure of piston schematic representation in the utility model.
Embodiment
Embodiment to the utility model is elaborated below in conjunction with accompanying drawing, but the multitude of different ways that the utility model can be defined by the claims and cover is implemented.
First embodiment of the utility model provides a kind of concrete pumping piston.As shown in Figure 2, the concrete pumping piston in the utility model comprises piston rod 1 and piston body 14, is connected through joint shaft bearing 7 between said piston rod 1 and the piston body 14.Therefore; When the concrete pumping pistons work; Piston rod 1 drives joint shaft bearing 7 front-rear reciprocation movements, and it is reciprocating further to drive piston body 14, when producing eccentric wear owing to disalignment between piston body 1 and the concrete cylinder body (not shown); Joint shaft bearing 7 can utilize self trickle rotation to adjust the error of being brought because of processing, assembling; Thereby realize the function of self-aligning, thereby effectively reduced the wearing and tearing between concrete pumping piston and the concrete cylinder body, the concrete pumping wearing for piston has been reduced to minimum.Preferably; Joint shaft bearing 7 is self-lubricating knuckle bearings; Because the self lubricating material of self-lubricating knuckle bearing self has excellent antifriction quality, wear resistance, self lubricity; And characteristics such as higher dimensional stability, advantages of high bearing capacity, therefore can remove the operation that apply external lubrication loaded down with trivial details from, thereby make things convenient for maintenance, improved working efficiency at the joint shaft bearing place.
Preferably, the concrete pumping piston in the utility model also comprises first flange 3, and piston body 14 comprises second flange 8, and first, second flange removably connects, and for example, first, second flange can connect through screw 4.Piston rod 1 passes the through hole on first flange; The inner ring of joint shaft bearing 7 is connected with piston rod 1, and its outer ring is connected with first flange 3.Preferably, be interference fit between the inner ring of joint shaft bearing 7 and the piston rod 1, be interference fit between its outer ring and first flange 3.Further, preferably, the seam on second flange 8 props up the outer ring of joint shaft bearing 7, thereby prevents endwisely slipping of the second flange 8 relative joint shaft bearings 7.
Preferably, the concrete pumping piston also comprises baffle plate 6, and baffle plate 6 is fixed on the head of piston rod 1, and props up the end face of the inner ring of joint shaft bearing 7, is used for joint shaft bearing 7 along its axial restraint, and preferably, baffle plate 6 is fixed on the head of piston rod 1 through screw 5.Preferably, piston body 1 comprises platen 10, and platen 10 removably is connected with second flange 8, and preferably, platen 10 removably is connected through screw 9 with second flange 8; Platen 10 is provided with guide ring 11, preferably, has stepped part on the platen 10, and guide ring 11 is clamped between the stepped part and second flange 8, thereby realizes fixing guide ring 11.Preferably, platen 10 is provided with a plurality of recesses 15 that are used for weight reduction.Preferably; The end of piston rod 1 is step-like; The end of piston rod 1 comprises first supporting section and the first spacing end face; Baffle plate 6 comprises the second spacing end face and/or second positive stop end, and joint shaft bearing 7 is set on first supporting section, and limits moving axially of joint shaft bearing 7 the first spacing end face and the second spacing end face.Further; The end of piston rod 1 is step-like; The end of piston rod 1 comprises first supporting section and the first spacing end face, and baffle plate 6 is step-like, and baffle plate 6 comprises the second spacing end face and second positive stop end; Joint shaft bearing 7 is set on first supporting section and second supporting section, and limits moving axially of joint shaft bearing the first spacing end face and the second spacing end face.
Preferably, piston body 14 also comprises piston ring 12, and piston ring 12 is fixed on the platen 10 through gland 13; Especially; Gland 13 is provided with stepped part, and piston ring 12 is clamped in the stepped part of gland 13 and a side of platen 10, thereby realizes fixing piston ring 12.
Preferably, first flange 3 is provided with the waterproof grommet 2 that matches with piston rod 1 so that when small inclination is swung effective waterproof.
Concrete pumping piston in the utility model is when changing, and only need back out screw 4 just can unload whole piston body 14, thereby realizes quick the replacing.When the concrete pumping pistons work; When concrete pumping piston and concrete cylinder body center disalignment; Joint shaft bearing utilizes self multi-freedom degree characteristic can realize self-aligning; Further, angle of swing is minimum during owing to concrete pumping piston aligning, can select the little joint shaft bearing of rotation angle range during assembling; In addition; The lubricated employing external lubrication meeting of joint shaft bearing is difficulty very, because piston body self is constantly motion, therefore; The employing self-lubricating knuckle bearing can utilize the characteristic of himself lubricating and remove loaded down with trivial details designs such as increasing lubricating pipe from, thereby has increased the working life of concrete pumping piston; At last, when concrete pumping piston rear portion contacts with water, on first flange 3, increase waterproof grommet 2 waterproof effectively.
In a second embodiment, the utility model also provides a kind of concrete pumping equipment, and it comprises the concrete pumping piston among above-mentioned first embodiment.When carrying out concrete pumping work; Drive the to-and-fro motion that joint shaft is made fore-and-aft direction by piston rod, further drive the motion of first flange then, because the piston body and first flange are rigidly connected through screw; Therefore, piston body is done corresponding to-and-fro motion thereupon.When disalignment between piston body and the concrete cylinder body produces eccentric wear; Joint shaft bearing can utilize self trickle rotation to adjust the error of being brought because of processing, assembling; Thereby realize the function of self-aligning; With the concrete pumping piston of effective minimizing concrete pumping equipment and the wearing and tearing between the concrete cylinder body, the concrete pumping wearing for piston has been reduced to minimum; Simultaneously because it adopts self-lubricating knuckle bearing; And the self lubricating material of self-lubricating knuckle bearing self has excellent antifriction quality, wear resistance, self lubricity; And characteristics such as higher dimensional stability, advantages of high bearing capacity, therefore can remove operation to the loaded down with trivial details external lubrication in joint shaft bearing place.
When changing the concrete pumping piston, only need back out screw 4 just can unload whole piston body 14, thereby has realized quick replacing; When said concrete pumping equipment is in the pumping state; If concrete pumping piston and concrete cylinder body center disalignment; At this moment, the multi-freedom degree characteristic of joint shaft bearing capable of using self realizes self-aligning, especially; Because angle of swing is minimum during concrete pumping piston aligning, can select the little joint shaft bearing of rotation angle range during assembling; In addition; The unusual difficulty if joint shaft bearing place lubricated adopts external lubrication; Because piston body self is constantly motion, and self-lubricating knuckle bearing can utilize the self lubricating material of himself can self be lubricated, therefore; When adopting self-lubricating knuckle bearing, can remove loaded down with trivial details designs such as increasing lubricating pipe from, thereby increase the working life of concrete pumping piston; At last, because the rear portion of the concrete pumping piston of concrete pumping equipment can contact with water all the time, therefore, on first flange, increase waterproof grommet waterproof effectively.
The preferred embodiment that the above is merely the utility model is not limited to the utility model, and for a person skilled in the art, the utility model can have various changes and variation.All within the spirit and principle of the utility model, any modification of being done, be equal to replacement, improvement etc., all should be included within the protection domain of the utility model.
Claims (12)
1. a concrete pumping piston is characterized in that, comprises piston rod and piston body, is connected through joint shaft bearing between said piston rod and the piston body.
2. concrete pumping piston according to claim 1; It is characterized in that said concrete pumping piston comprises first flange, said piston body comprises second flange; Said first flange removably is connected with second flange, and said piston rod passes the through hole on said first flange; The inner ring of said joint shaft bearing is connected with said piston rod, and its outer ring is connected with said first flange.
3. concrete pumping piston according to claim 2 is characterized in that, said concrete pumping piston also comprises baffle plate, and said baffle plate is fixed on the head of said piston rod, and props up the end face of the inner ring of said joint shaft bearing.
4. concrete pumping piston according to claim 3 is characterized in that, the outer ring butt of said second flange and said joint shaft bearing.
5. concrete pumping piston according to claim 3 is characterized in that,
The end of said piston rod is step-like, and the end of said piston rod comprises first supporting section and the first spacing end face;
Said baffle plate comprises the second spacing end face;
Said joint shaft bearing is set on said first supporting section, and limits moving axially of said joint shaft bearing the said first spacing end face and the second spacing end face.
6. concrete pumping piston according to claim 3 is characterized in that,
The end of said piston rod is step-like, and the end of said piston rod comprises first supporting section and the first spacing end face;
Said baffle plate is step-like, and said baffle plate comprises second supporting section and the second spacing end face; Said joint shaft bearing is set on said first supporting section and second supporting section, and limits moving axially of said joint shaft bearing the said first spacing end face and the second spacing end face.
7. according to each described concrete pumping piston among the claim 2-6, it is characterized in that said piston body comprises platen, said platen removably is connected with second flange.
8. concrete pumping piston according to claim 7 is characterized in that said platen is provided with guide ring.
9. concrete pumping piston according to claim 7 is characterized in that said piston body also comprises piston ring, and said piston ring is fixed on the said platen through gland.
10. concrete pumping piston according to claim 7 is characterized in that, said first flange is provided with the waterproof grommet that matches with said piston rod.
11., it is characterized in that said joint shaft bearing is a self-lubricating knuckle bearing according to each described concrete pumping piston among the claim 1-6.
12. a concrete pumping equipment is characterized in that, comprises according to each described concrete pumping piston among the claim 1-11.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203266812U CN202228342U (en) | 2011-09-01 | 2011-09-01 | Concrete pumping equipment and concrete pumping piston thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203266812U CN202228342U (en) | 2011-09-01 | 2011-09-01 | Concrete pumping equipment and concrete pumping piston thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202228342U true CN202228342U (en) | 2012-05-23 |
Family
ID=46078929
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203266812U Expired - Fee Related CN202228342U (en) | 2011-09-01 | 2011-09-01 | Concrete pumping equipment and concrete pumping piston thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202228342U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110080963A (en) * | 2019-05-09 | 2019-08-02 | 青岛黄海学院 | A kind of hard aggregate concrete pumping equipment |
| CN111911397A (en) * | 2020-07-17 | 2020-11-10 | 西安交通大学 | Piston assembly and application thereof |
-
2011
- 2011-09-01 CN CN2011203266812U patent/CN202228342U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110080963A (en) * | 2019-05-09 | 2019-08-02 | 青岛黄海学院 | A kind of hard aggregate concrete pumping equipment |
| CN110080963B (en) * | 2019-05-09 | 2020-06-23 | 青岛黄海学院 | Hard aggregate concrete pumping equipment |
| CN111911397A (en) * | 2020-07-17 | 2020-11-10 | 西安交通大学 | Piston assembly and application thereof |
| CN111911397B (en) * | 2020-07-17 | 2021-08-10 | 西安交通大学 | Piston assembly and application thereof |
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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 |
Granted publication date: 20120523 Termination date: 20150901 |
|
| EXPY | Termination of patent right or utility model |