CN210977843U - Concrete piston quick connecting device based on concrete pump - Google Patents
Concrete piston quick connecting device based on concrete pump Download PDFInfo
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- CN210977843U CN210977843U CN201921832723.2U CN201921832723U CN210977843U CN 210977843 U CN210977843 U CN 210977843U CN 201921832723 U CN201921832723 U CN 201921832723U CN 210977843 U CN210977843 U CN 210977843U
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Abstract
The utility model belongs to the technical field of concrete delivery pumps, and relates to a concrete piston quick connecting device based on a concrete delivery pump, which comprises a piston connecting rod, a limiting flange, a pressure spring, a sliding sleeve, two semicircular clamps and a main oil cylinder piston rod, wherein the right end of the piston connecting rod is provided with a concave positioning seam allowance, the left end of the main oil cylinder piston rod is provided with a convex positioning, the concave positioning seam allowance at the right end of the piston connecting rod and the convex positioning seam allowance at the left end of the main oil cylinder piston rod can be aligned and laminated, the semicircular clamps are in a semicircular ring shape, the insides of the semicircular clamps are provided with grooves, the outsides of the semicircular clamps are provided with conical radians, the semicircular clamps can wrap the joints of the piston connecting rod and the main oil cylinder piston rod, the limiting flange is in a circular ring shape, the sliding sleeve is wrapped by the limiting flange, the sliding sleeve is, the pressure spring is fixed between the limiting flange and the sliding sleeve in a bolt fixing connection mode.
Description
The technical field is as follows:
the utility model belongs to the technical field of the concrete pump, concretely relates to concrete piston quick connecting device based on concrete pump, through concrete pump's concrete piston quick connecting device, the working strength of reducible concrete piston installation or dismantlement.
Background art:
in the concrete delivery pump, the connection between a concrete piston and a spindle head of a main oil cylinder (or through a transition connecting rod) is realized by bolts, some are connected by axial bolts through flanges, some are connected by tangential bolts through clamps and the like, and because the space in a water tank is narrow, the piston rod needs to be matched and rotated during installation and disassembly, time and labor are consumed, locking glue is applied to the bolts sometimes for preventing looseness, and the disassembly difficulty is increased; chinese patent CN201420348407.9 discloses an adjustable concrete piston connecting structure and concrete pumping machinery having the same, the adjustable concrete piston connecting structure includes: a connecting rod; a piston head connecting disc; the transition sleeve is connected with one end of the connecting rod through a first dovetail groove structure at a first axial end close to the connecting rod, and is connected with one end of the piston head connecting disc through a second dovetail groove structure at a second axial end close to the piston head connecting disc, wherein a central symmetrical plane of the first dovetail groove structure and a central symmetrical plane of the second dovetail groove structure form an angle, and the piston head connecting disc, the transition sleeve and the connecting rod are fixed into a whole through fixing bolts which sequentially penetrate through fastening through holes arranged on the piston head connecting disc and the transition sleeve and are screwed into threaded holes of the connecting rod; the concrete piston connecting device and the pumping system disclosed in chinese patent CN201510923906.5 comprise a guide rod and a guide sleeve sleeved on the guide rod, wherein the guide rod can slide in the guide sleeve, one of the guide sleeve and the guide rod is used for connecting with a concrete piston of the pumping system, the other is used for connecting with a main oil cylinder piston rod of the pumping system, two fixing stations with axial intervals are arranged between the guide rod and the guide sleeve, and the concrete piston connecting device further comprises a locking mechanism used for fixing the guide rod and the guide sleeve on the fixing stations; the connection of the concrete piston and the main oil cylinder shaft head is in bolt connection, and the piston rod needs to be matched and rotated during installation and disassembly, or the problems of complex structure and the like exist. Therefore, it is necessary to develop a concrete piston quick-connecting device based on a concrete delivery pump, which can improve the connecting mode and reduce the working strength of mounting or dismounting the concrete piston.
The invention content is as follows:
an object of the utility model is to design a concrete piston quick connecting device based on concrete pump, cancelled the trouble of dismantling the screw, can be through strikeing, simply separate out the concrete piston fast, reduced the working strength of concrete piston installation or dismantlement, the simplified operation flow shortens operating time.
In order to realize the purpose, the main structure of the utility model comprises a piston connecting rod, a limiting flange, a pressure spring and a sliding sleeve, two semicircle clamps, and the master cylinder piston rod, the piston connector right-hand member has the concavity location tang, the master cylinder piston rod left end has the protruding location, the laminating can be adjusted well to piston connector right-hand member concavity location tang and master cylinder piston rod left end protruding location tang, the semicircle clamp is half circular ring-type, the inside recess that opens of semicircle clamp, semicircle clamp outside has circular cone radian, the semicircle clamp can wrap up the junction of piston connector and master cylinder piston rod, spacing flange is the ring form, spacing flange wraps up the sliding sleeve, the sliding sleeve is the ring form, the inside circular cone radian that has of sliding sleeve, the sliding sleeve wraps up the semicircle clamp, the pressure spring is located between spacing flange and sliding sleeve, the pressure spring adopts the bolt fixed connection mode to fix between spacing flange and sliding sleeve.
Compared with the prior art, the utility model, based on concrete pump's concrete piston quick connecting device, cancelled the trouble of dismantling the screw, can be through strikeing, simply separate out the concrete piston fast, the working strength of reducible concrete piston installation or dismantlement simplifies the operation flow, shortens operating time. The device has the advantages of simple structure, flexible operation, friendly use environment, high safety performance and easy popularization and use.
Description of the drawings:
fig. 1 is a schematic view of the sectional view of the main structure of the clamp in the detachable state.
Fig. 2 is a schematic view of the main structure of the clamp in a detachable state.
Fig. 3 is the schematic diagram of the sectional view of the main structure of the clamp locking state of the present invention.
Fig. 4 is a schematic view of the main structure principle of the clamp locking state of the present invention.
The specific implementation mode is as follows:
the present invention will be further described with reference to the following examples and accompanying drawings.
Example 1:
the main structure of the concrete piston quick connecting device based on the concrete delivery pump comprises a piston connecting rod 1, a limiting flange 2, a pressure spring 3, a sliding sleeve 4, two semicircular hoops 5 and a main oil cylinder piston rod 6, wherein a concave positioning seam allowance is arranged at the right end of the piston connecting rod 1, a convex positioning is arranged at the left end of the main oil cylinder piston rod 6, the concave positioning seam allowance at the right end of the piston connecting rod 1 and the convex positioning seam allowance at the left end of the main oil cylinder piston rod 6 can be aligned and attached, the semicircular hoops 5 are in a semicircular shape, a groove is formed inside the semicircular hoops 5, a conical radian is arranged outside the semicircular hoops 5, the semicircular hoops 5 can wrap the connecting part of the piston connecting rod 1 and the main oil cylinder piston rod 6, the limiting flange 2 is in a circular shape, the sliding sleeve 4 is wrapped by the limiting flange 2, the sliding sleeve 4 is, the pressure spring 3 is positioned between the limiting flange 2 and the sliding sleeve 4, and the pressure spring 3 is fixed between the limiting flange 2 and the sliding sleeve 4 in a bolt fixing connection mode.
When the concrete piston quick connecting device based on the concrete delivery pump is used and needs to be locked by the clamp, after the concave positioning spigot at the right end of the piston connector 1 is aligned and attached with the convex positioning spigot at the left end of the main oil cylinder piston rod 6, two semicircular clamps 5 are arranged, the connecting part of the piston connector 1 and the main oil cylinder piston rod 6 is wrapped by the groove inside the semicircular clamps 5, the concave positioning spigot at the right end of the piston connector 1 is connected and clamped with the two ends of the convex positioning spigot at the left end of the main oil cylinder piston rod 6 by buckling the two semicircular clamps 5, the sliding sleeve 4 is pushed rightwards under the action of the pressure spring 3, the sliding sleeve 4 has a conical radian, the semicircular clamps 5 have the conical radian, the conicity is consistent and smaller than the friction angle, meanwhile, the sliding sleeve 4 and the limiting flange 2 are ensured to have a gap, the limiting flange 2 does not interfere with the axial movement of the sliding sleeve 4, the sliding sleeve 4 is enabled to, therefore, the radian of the inner cone of the sliding sleeve 4 is attached to the radian of the outer cone of the semicircular clamp 5 to bear force, so that the semicircular clamp 5 is limited to be loosened, the radian of the inner cone of the sliding sleeve 4 and the radian of the outer cone of the semicircular clamp 5 are smaller than a friction angle, and the outward force of the semicircular clamp 5 cannot be reversely applied to the pressure spring 3, so that reliable connection can be ensured; the concrete piston separating device is simple in structure, eliminates the trouble of disassembling screws, can simply and quickly separate the concrete piston through knocking, can also be installed quickly, improves the maintainability of equipment, has attractiveness and practicability, and is easy to popularize and use.
Claims (1)
1. A concrete piston quick connecting device based on a concrete delivery pump is characterized in that a main body structure comprises a piston connecting rod, a limiting flange, a pressure spring and a sliding sleeve, two semicircle clamps, and the master cylinder piston rod, the piston connector right-hand member has the concavity location tang, the master cylinder piston rod left end has the protruding location, the laminating can be adjusted well to piston connector right-hand member concavity location tang and master cylinder piston rod left end protruding location tang, the semicircle clamp is half circular ring-type, the inside recess that opens of semicircle clamp, semicircle clamp outside has circular cone radian, the semicircle clamp can wrap up the junction of piston connector and master cylinder piston rod, spacing flange is the ring form, spacing flange wraps up the sliding sleeve, the sliding sleeve is the ring form, the inside circular cone radian that has of sliding sleeve, the sliding sleeve wraps up the semicircle clamp, the pressure spring is located between spacing flange and sliding sleeve, the pressure spring adopts the bolt fixed connection mode to fix between spacing flange and sliding sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921832723.2U CN210977843U (en) | 2019-10-29 | 2019-10-29 | Concrete piston quick connecting device based on concrete pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921832723.2U CN210977843U (en) | 2019-10-29 | 2019-10-29 | Concrete piston quick connecting device based on concrete pump |
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| Publication Number | Publication Date |
|---|---|
| CN210977843U true CN210977843U (en) | 2020-07-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921832723.2U Active CN210977843U (en) | 2019-10-29 | 2019-10-29 | Concrete piston quick connecting device based on concrete pump |
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| CN (1) | CN210977843U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113339351A (en) * | 2021-05-14 | 2021-09-03 | 安徽五洋机床制造有限公司 | Pneumatic oil cylinder of plate shearing machine |
-
2019
- 2019-10-29 CN CN201921832723.2U patent/CN210977843U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113339351A (en) * | 2021-05-14 | 2021-09-03 | 安徽五洋机床制造有限公司 | Pneumatic oil cylinder of plate shearing machine |
| CN113339351B (en) * | 2021-05-14 | 2024-04-26 | 安徽五洋机床制造有限公司 | Pneumatic cylinder of plate shearing machine |
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