CN212318284U - Concrete piston dismounting device - Google Patents
Concrete piston dismounting device Download PDFInfo
- Publication number
- CN212318284U CN212318284U CN202020874256.6U CN202020874256U CN212318284U CN 212318284 U CN212318284 U CN 212318284U CN 202020874256 U CN202020874256 U CN 202020874256U CN 212318284 U CN212318284 U CN 212318284U
- Authority
- CN
- China
- Prior art keywords
- piston
- concrete
- hole
- flange
- connecting flange
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Actuator (AREA)
Abstract
A concrete piston dismounting device comprises a water tank (1), a concrete conveying cylinder (2) and a pumping cylinder (3) which are connected with the water tank (1), and a short connecting rod (4) of which two ends are respectively detachably connected with a piston rod of the pumping cylinder and a concrete piston (5); the oil cylinder connecting flange (6) is positioned between the piston rod and the short connecting rod, and the piston body connecting flange (7) is positioned between the short connecting rod and the concrete piston (5); two sides of an oil cylinder connecting flange (6) are respectively connected with a piston rod and a short connecting rod, a piston body connecting flange is connected with a concrete piston (5), the piston body connecting flange is provided with a first screw hole (14), and a bolt penetrating through the short connecting rod (4) is connected with the first screw hole during working; the oil cylinder connecting flange is provided with a concrete withdrawing through hole (8), and the oil cylinder connecting flange is connected with a first screw hole (14) by a bolt penetrating through the concrete withdrawing through hole (8) during concrete withdrawal; a first blind hole (10) is formed in the oil cylinder connecting flange (6), and a second blind hole (11) is formed in the short connecting rod (4).
Description
Technical Field
The utility model belongs to the technical field of the concrete pump technique and specifically relates to a concrete pump piston dismounting device is related to.
Background
The concrete pump is mostly a double-pump double-loop electro-hydraulic combined control hydraulic system. When the oil cylinder reaches the head, the reversing action of the oil cylinder is realized through the switching of the reversing valve or the oil pump swash plate. The concrete piston of concrete pump belongs to the wearing part, needs often to change. Because the concrete piston is positioned in the conveying cylinder during working, when the concrete piston needs to be replaced, the concrete piston needs to be withdrawn into the water tank from the conveying cylinder so as to be disassembled, replaced and maintained. Therefore, the concrete pumping structure needs to be designed in consideration of the problem that the concrete piston is convenient to disassemble.
The existing typical concrete pump piston dismounting device mainly comprises two types:
the first is to connect the concrete piston to the main piston rod through the middle connecting rod, and the middle connecting rod can be connected with the concrete piston and the main piston rod through the screw rod or the clamping sleeve. When the concrete piston needs to be disassembled, the middle connecting rod is disassembled, then the main piston rod is operated to move forwards in a inching mode to enable the main piston rod to be close to the concrete piston, then the main piston rod is directly connected with the concrete piston, or the main piston rod is connected with the concrete piston through a steel wire rope, and finally the main piston rod is operated to move backwards in a inching mode to enable the concrete piston to move back into the water tank. After the concrete piston is disassembled and replaced, the structure is installed according to the reverse flow of the process. The prior art has the defects of difficult positioning, inconvenient operation, lower working efficiency in the replacement process and long required time during installation.
Secondly, compared with the first structure, the structure disclosed in the background art of structure CN2881144Y, which adopts the auxiliary oil cylinder and omits the middle connecting rod, is easier and more convenient to realize the replacement and maintenance of the concrete piston. But the structure is complex and the control system is complex.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a concrete piston dismounting device is provided, dismantlement, simple to operate easily takes out the concrete piston.
In order to solve the technical problem, the utility model provides a concrete piston dismounting device, which comprises a water tank, a concrete conveying cylinder and a pumping cylinder which are connected with the water tank, and a short-circuit rod, wherein two ends of the short-circuit rod are detachably connected with a piston rod of the pumping cylinder and a concrete piston of the concrete conveying cylinder respectively; an oil cylinder connecting flange is further arranged between a piston rod of the pumping oil cylinder and the short connecting rod, and a piston body connecting flange is further arranged between the short connecting rod and the concrete piston; two sides of the oil cylinder connecting flange are respectively connected with a piston rod of the pumping oil cylinder and a short connecting rod through bolts, the piston body connecting flange is connected with a concrete piston through bolts, the piston body connecting flange is provided with a first screw hole, and the piston body connecting flange is connected with the first screw hole through a bolt penetrating through the short connecting rod during working; the oil cylinder connecting flange is provided with a concrete withdrawing through hole, and the oil cylinder connecting flange is connected with the first screw hole by a bolt penetrating through the concrete withdrawing through hole when withdrawing concrete; the oil cylinder connecting flange is provided with a first blind hole for manual rotation, and the short connecting rod is provided with a second blind hole for manual rotation.
As further improve technical scheme, the utility model provides a concrete piston dismounting device, the short circuit pole two ends have the flange, are equipped with the through-hole on the flange, hydro-cylinder flange be equipped with through-hole matched with second screw, first screw with the through-hole cooperatees.
As further improve technical scheme, the utility model provides a concrete piston dismounting device, the terminal surface of short extension rod is equipped with the location boss, hydro-cylinder flange and piston body flange be equipped with respectively with location boss matched with positioning groove.
As further improve technical scheme, the utility model provides a concrete piston dismounting device, the concrete piston includes the piston head, overlaps the uide bushing on the piston head, with the piston head is kept away from the gland that piston body flange side is connected, is located the nearly piston body flange side of piston head, through the bolt with the components of a whole that can function independently piston flange that the gland is connected.
On the basis of above-mentioned improvement scheme, as further improvement technical scheme, the utility model provides a concrete piston dismounting device, piston body flange is equipped with first heavy platform hole, components of a whole that can function independently piston flange is equipped with heavy platform hole of second, third blind hole, third screw, and connecting bolt passes first heavy platform hole back to be connected with the third screw, and connecting bolt passes the heavy platform hole of second and is connected with the gland.
On the basis of the above improved scheme, as a further improved technical scheme, the concrete piston dismounting device provided by the utility model is characterized in that the gland and the split piston flange are respectively provided with a second positioning boss or a second positioning groove which are matched with each other; and the piston body connecting flange and the split piston flange are respectively provided with a third positioning boss or a third positioning groove which are matched with each other.
The utility model provides a technical scheme, when moving back the concrete, dismantle the short circuit pole, be connected with first screw with passing the bolt that moves back the concrete through-hole, work efficiency is higher, safe and reliable. Be equipped with the first blind hole that is used for manual rotation on the hydro-cylinder flange, be equipped with the second blind hole that is used for manual rotation on the short circuit pole, first blind hole, second blind hole are used for manual rotation piston, and convenient dismantlement is adjusted well with the mounting hole matching, has reached dismantlement, simple to operate, easily takes out the purpose of concrete piston.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this application, but do not constitute an undue limitation of the invention. In the drawings:
FIG. 1 is a schematic front view of a concrete piston dismounting device according to an embodiment;
FIG. 2 is a schematic cross-sectional structural view of a concrete piston dismounting device according to an embodiment;
FIG. 3 is an exploded view of a concrete piston removing apparatus according to an embodiment;
FIG. 4 is an exploded view of another angle of the concrete piston removing apparatus according to the embodiment;
FIG. 5 is a schematic view of a structural principle of a cylinder connecting flange of the concrete piston dismounting device of the embodiment;
FIG. 6 is a view showing a connection state of a concrete piston of the concrete piston removing apparatus according to the embodiment when the concrete piston works;
FIG. 7 is a connection state diagram of the concrete piston dismounting device in the embodiment when the concrete piston is withdrawn.
Detailed Description
Embodiments of the present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1, the concrete piston dismounting device comprises a water tank 1, a concrete conveying cylinder 2 connected with one end of the water tank 1, a pumping oil cylinder 3 connected with the other end of the water tank 1, a short-circuit rod 4 with a first end detachably connected with a piston rod of the pumping oil cylinder 3, and a concrete piston 5 detachably connected with the other end of the short-circuit rod 4. As shown in fig. 2 to 4, an oil cylinder connecting flange 6 is further provided between the piston rod of the pumping oil cylinder 3 and the short connection rod 4, and a piston body connecting flange 7 is further provided between the short connection rod 4 and the concrete piston 5; two sides of the oil cylinder connecting flange 6 are respectively connected with a piston rod of the pumping oil cylinder 3 and the short-circuit rod 4 through bolts, the piston body connecting flange 7 is connected with the concrete piston 5 through bolts, the piston body connecting flange 7 is provided with a first screw hole 14, and the piston body connecting flange is connected with the first screw hole 14 through a bolt penetrating through the short-circuit rod 4 during working; the oil cylinder connecting flange 6 is provided with a concrete withdrawing through hole 8, and is connected with a first screw hole 14 by a bolt penetrating through the concrete withdrawing through hole 8 when withdrawing concrete; the oil cylinder connecting flange 6 is provided with a first blind hole 10 used for manual rotation, and the short connecting rod 4 is provided with a second blind hole 11 used for manual rotation.
As shown in fig. 5, the cylinder connecting flange 6 is provided with a concrete-removing through hole 8, a first blind hole 10 and a second screw hole 13 for manual rotation, and one end of the cylinder connecting flange 6 at the concrete-removing through hole 8 is provided with a notch groove for inserting a bolt. When the oil cylinder connecting flange is connected with the oil cylinder with the large rod diameter, the gap between the flange end surface and the oil cylinder rod is small, and the gap groove can be used for avoiding the interference of a bolt and the oil cylinder rod, so that parts can be suitable for oil cylinders with various rod diameters.
The concrete withdrawal means that the concrete piston 5 is pulled out of the concrete delivery cylinder 2 into the water tank so as to replace the worn concrete piston 5. As shown in fig. 7, when the concrete is withdrawn, the short connecting rod 4 is detached, and then the short connecting rod is connected with the first screw hole 14 by a bolt penetrating through the concrete withdrawal through hole 8, and the oil cylinder connecting flange 6 is directly connected with the piston body connecting flange 7. The length of the short connecting rod 4 is larger than the length of the concrete piston 5 moving out of the concrete conveying cylinder 2, so that the concrete piston 5 can be positioned in the water tank after the piston rod of the pumping oil cylinder 3 is contracted after the short connecting rod 4 is removed. As shown in figure 6, the working state after the short connecting rod 4 is connected ensures that the concrete piston 5 can not be separated from the inner cavity of the concrete conveying cylinder 2 and enter the water tank.
When the concrete is withdrawn, the short connecting rod 4 is detached and is connected with the first screw hole 14 by a bolt penetrating through the concrete withdrawal through hole 8, so that the working efficiency is high, and the device is safe and reliable. Be equipped with on the hydro-cylinder flange 6 and be used for manually rotate's first blind hole 10, be equipped with on the short circuit pole 4 and be used for manually rotate's second blind hole 11, first blind hole 10, second blind hole 11 are used for manually rotating the piston, and convenient dismantlement is adjusted well with the mounting hole matching, can improve the operating efficiency.
Another embodiment, the utility model provides a concrete piston dismounting device, as shown in fig. 3 and 4, on above-mentioned basic scheme, two ends of short circuit pole 4 have the flange, are equipped with through-hole 12 on the flange, and hydro-cylinder flange 6 is equipped with the second screw 13 with through-hole 12 matched with, and first screw 14 cooperatees with through-hole 12.
In another embodiment, the utility model provides a concrete piston dismounting device, on above-mentioned basic scheme, the terminal surface of short circuit pole 4 is equipped with location boss 23, and hydro-cylinder flange 6 and piston body flange 7 are equipped with respectively with location boss 23 matched with positioning groove 24. The positioning boss 23 and the positioning groove 24 are subjected to finish machining, the precision requirement is high, and the positioning boss and the positioning groove are used for positioning during connection, so that all parts are positioned on the same axis, the clamping stagnation and wall abrasion generated in the operation process of the equipment are reduced, and the service life of the equipment is prolonged.
In another embodiment, the utility model provides a concrete piston dismounting device, on above-mentioned basic scheme, concrete piston 5 includes piston head 15, the uide bushing 16 of cover on piston head 15, keeps away from piston body flange 7 side with piston head 15 and is connected gland 17, is located piston head 15 nearly piston body flange 7 side, the components of a whole that can function independently piston flange 18 that is connected through bolt and gland 17. The piston body connecting flange 7 is provided with a first sinking platform hole 19, the split piston flange 18 is provided with a second sinking platform hole 20, a third blind hole 21 and a third screw hole 22, the connecting bolt penetrates through the first sinking platform hole 19 and then is connected with the third screw hole 22, and the connecting bolt penetrates through the second sinking platform hole 20 and is connected with the gland 17. The gland 17 and the split piston flange 18 are respectively provided with a second positioning boss 25 or a second positioning groove 26 which are matched with each other; the piston body connecting flange 7 and the split piston flange 18 are respectively provided with a third positioning boss 27 or a third positioning groove 28 which are matched with each other. The third blind hole 21 is used for manually rotating the piston, so that the piston is convenient to disassemble and align with the mounting hole in a matching way, and the working efficiency can be improved.
During assembly, the guide sleeve 16 is sleeved outside the piston head 15, a screw hole in the pressing cover 17 is matched with a second counter sink hole 20 in the split piston flange 18, the pressing cover 17 is connected with the split piston flange 18 through bolts, and the guide sleeve 16 is fixed by the pressing cover 17 and the split piston flange 18. The first counter sink hole 19 on the piston body connecting flange 7 is matched with the third screw hole 22 on the split piston flange 18, and the piston body connecting flange 7 is connected with the split piston flange 18 through bolts. A first screw hole 14 on the piston body connecting flange 7 is matched with a through hole 12 on a flange at the first end of the short-circuit rod 4, the piston body connecting flange 7 is connected with the short-circuit rod 4 through a bolt, a second screw hole 13 on the oil cylinder connecting flange 6 is matched with the through hole 12 on a flange at the other end of the short-circuit rod 4, and the oil cylinder connecting flange 6 is connected with the short-circuit rod 4 through a bolt. Two end surfaces of the short connecting rod 4 are provided with positioning bosses 23, and the oil cylinder connecting flange 6 and the piston body connecting flange 7 are respectively provided with positioning grooves 24 matched with the positioning bosses 23; the gland 17 and the split piston flange 18 are respectively provided with a second positioning boss 25 or a second positioning groove 26 which are matched with each other; the piston body connecting flange 7 and the split piston flange 18 are respectively provided with a third positioning boss 27 or a third positioning groove 28 which are matched with each other. Each location boss and positioning groove finish machining, the required precision is high for location during the connection, makes each part be in on the same axis, reduces equipment operation process and produces jamming mill wall etc. improve equipment's life.
It is obvious that the present invention is not limited to the above preferred embodiments, but various changes and modifications can be made within the spirit of the present invention defined by the claims and the specification, and the same technical problems can be solved and the intended technical effects can be obtained, so that they are not repeated. All solutions which can be directly or conceivably obtained by a person skilled in the art from the disclosure of the present invention also belong to the scope of protection of the present invention, as long as they are within the spirit of the present invention as defined by the appended claims.
Claims (6)
1. A concrete piston dismounting device comprises a water tank (1), a concrete conveying cylinder (2) and a pumping oil cylinder (3) which are connected with the water tank (1), and a short connecting rod (4) of which two ends are respectively detachably connected with a piston rod of the pumping oil cylinder (3) and a concrete piston (5) of the concrete conveying cylinder (2); the concrete pump is characterized in that an oil cylinder connecting flange (6) is arranged between a piston rod of the pumping oil cylinder (3) and the short connecting rod (4), and a piston body connecting flange (7) is arranged between the short connecting rod (4) and the concrete piston (5); two sides of the oil cylinder connecting flange (6) are respectively connected with a piston rod of the pumping oil cylinder (3) and a short connecting rod (4) through bolts, the piston body connecting flange (7) is connected with a concrete piston (5) through bolts, the piston body connecting flange (7) is provided with a first screw hole (14), and the piston body connecting flange is connected with the first screw hole (14) through the bolt penetrating through the short connecting rod (4) during working; the oil cylinder connecting flange (6) is provided with a concrete withdrawing through hole (8), and is connected with a first screw hole (14) by a bolt penetrating through the concrete withdrawing through hole (8) during concrete withdrawal; the oil cylinder connecting flange (6) is provided with a first blind hole (10) used for manual rotation, and the short connecting rod (4) is provided with a second blind hole (11) used for manual rotation.
2. A concrete piston dismounting device according to claim 1, characterized in that said short connecting rod (4) has flanges at both ends, a through hole (12) is provided on the flange, said cylinder connecting flange (6) has a second screw hole (13) matching with said through hole (12), said first screw hole (14) matches with said through hole (12).
3. The concrete piston dismounting device according to claim 1, characterized in that the two end faces of the short connecting rod (4) are provided with positioning bosses (23), and the cylinder connecting flange (6) and the piston body connecting flange (7) are respectively provided with positioning grooves (24) matched with the positioning bosses (23).
4. The concrete piston dismounting device according to claim 1, characterized in that the concrete piston (5) comprises a piston head (15), a guide sleeve (16) sleeved on the piston head (15), a gland (17) connected with the piston head (15) far away from the piston body connecting flange (7), and a split piston flange (18) located on the piston head (15) near the piston body connecting flange (7) and connected with the gland (17) through bolts.
5. A concrete piston dismounting device according to claim 4, characterized in that the piston body connecting flange (7) is provided with a first countertop hole (19), the split piston flange (18) is provided with a second countertop hole (20), a third blind hole (21) and a third screw hole (22), a connecting bolt passes through the first countertop hole (19) and then is connected with the third screw hole (22), and the connecting bolt passes through the second countertop hole (20) and is connected with the gland (17).
6. A concrete piston dismounting device according to claim 4, characterized in that the gland (17) and the split piston flange (18) are respectively provided with a second positioning boss (25) or a second positioning groove (26) which are matched with each other; and the piston body connecting flange (7) and the split piston flange (18) are respectively provided with a third positioning boss (27) or a third positioning groove (28) which are matched with each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020874256.6U CN212318284U (en) | 2020-05-22 | 2020-05-22 | Concrete piston dismounting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020874256.6U CN212318284U (en) | 2020-05-22 | 2020-05-22 | Concrete piston dismounting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212318284U true CN212318284U (en) | 2021-01-08 |
Family
ID=74022624
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020874256.6U Active CN212318284U (en) | 2020-05-22 | 2020-05-22 | Concrete piston dismounting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212318284U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117108476A (en) * | 2023-10-24 | 2023-11-24 | 自贡诺力斯百盛压缩机有限公司 | Variable-frequency gas compressor |
-
2020
- 2020-05-22 CN CN202020874256.6U patent/CN212318284U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117108476A (en) * | 2023-10-24 | 2023-11-24 | 自贡诺力斯百盛压缩机有限公司 | Variable-frequency gas compressor |
| CN117108476B (en) * | 2023-10-24 | 2024-01-23 | 自贡诺力斯百盛压缩机有限公司 | Variable-frequency gas compressor |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201071855Y (en) | Multilevel sleeve type hydraulic oil cylinder | |
| CN212318284U (en) | Concrete piston dismounting device | |
| CN101152675A (en) | Flange quick-changing drill jig | |
| CN2931899Y (en) | Dynamic pin | |
| CN215870530U (en) | Culvert passes through cable device | |
| CN211101190U (en) | Pipe end sizing expansion device | |
| CN110953133B (en) | Crankshaft connecting rod type radial piston pump capable of recycling pressure energy in waste fluid | |
| CN213939174U (en) | Irrigation diverging equipment that gardens were used | |
| CN101851774A (en) | Horizontal chromium plating device | |
| CN212310799U (en) | Quick replacement device and system for tension leveler | |
| CN209335535U (en) | A kind of dedicated hydraulic plate pulling device of sewage apparatus maintenance | |
| CN111438508A (en) | Maintenance mechanism for single-cylinder hydraulic cone crusher rack | |
| CN213017377U (en) | Brake device of steel wire rope brake cable for oil pumping unit | |
| CN215632817U (en) | Hydraulic device of mine engineering drilling machine | |
| CN219975011U (en) | Cylinder pin integrated quick-change oil cylinder suitable for small-space installation | |
| CN201420099Y (en) | Horizontal chromium-plating device | |
| CN217045329U (en) | Plain type hydraulic pressure axle bush dismounting device | |
| CN219119503U (en) | Submersible pump impeller with long service life | |
| CN215566999U (en) | Hydraulic cylinder of end cover is fixed to round wire steel wire | |
| CN218293842U (en) | Piston assembly of slurry pump | |
| CN217272643U (en) | Lathe uses type hydraulic pressure rotary joint | |
| CN215037096U (en) | Wear-resisting cover puller of water pump | |
| CN213540917U (en) | Hydraulic steel ball hinge type piston connecting structure | |
| CN220037130U (en) | Sealing structure of closing cylinder | |
| CN219634171U (en) | High-pressure drilling equipment of specific stabilizing mean |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |