CN111483941A - Extendable hydraulic jack - Google Patents
Extendable hydraulic jack Download PDFInfo
- Publication number
- CN111483941A CN111483941A CN201910083161.4A CN201910083161A CN111483941A CN 111483941 A CN111483941 A CN 111483941A CN 201910083161 A CN201910083161 A CN 201910083161A CN 111483941 A CN111483941 A CN 111483941A
- Authority
- CN
- China
- Prior art keywords
- quick
- extension rod
- connector
- working head
- hydraulic jack
- 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.)
- Pending
Links
- 230000006835 compression Effects 0.000 claims description 19
- 238000007906 compression Methods 0.000 claims description 19
- 230000002457 bidirectional effect Effects 0.000 claims description 7
- 229910000851 Alloy steel Inorganic materials 0.000 claims description 2
- 230000000712 assembly Effects 0.000 claims 1
- 238000000429 assembly Methods 0.000 claims 1
- 239000003921 oil Substances 0.000 description 27
- 239000010720 hydraulic oil Substances 0.000 description 11
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 210000001503 joint Anatomy 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002427 irreversible effect Effects 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F3/00—Devices, e.g. jacks, adapted for uninterrupted lifting of loads
- B66F3/24—Devices, e.g. jacks, adapted for uninterrupted lifting of loads fluid-pressure operated
- B66F3/25—Constructional features
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F3/00—Devices, e.g. jacks, adapted for uninterrupted lifting of loads
- B66F3/24—Devices, e.g. jacks, adapted for uninterrupted lifting of loads fluid-pressure operated
- B66F3/25—Constructional features
- B66F3/26—Adaptations or arrangements of pistons
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Quick-Acting Or Multi-Walled Pipe Joints (AREA)
Abstract
The invention discloses an extendable hydraulic jack, which consists of a quick connector, a control handle, a multifunctional reversing valve block, an oil cylinder, a fixed seat, a quick connector, a quick connection working head, a quick connection extension rod and a working head, wherein one end of the control handle is connected with the quick connector, the other end of the control handle is connected with the multifunctional reversing valve block, the multifunctional reversing valve block is connected onto the fixed seat, one end of the fixed seat is connected with the quick connector, the other end of the fixed seat is connected with the oil cylinder, the other end of the oil cylinder is connected with one working head, one end of the quick connection extension rod is connected with the quick connector, the other end of the quick connection extension rod is connected with the quick connection working head, and the quick extension rod. The hydraulic jack has the advantages that the quick extension system is added on the basis of the traditional hydraulic jack, the hydraulic jack can be quickly combined and matched for use, the hydraulic jack is suitable for operation in different spaces, the operation time is effectively shortened, the rescue efficiency is improved, and the hydraulic jack is safe and reliable.
Description
Technical Field
The invention relates to the technical field of fire rescue equipment, in particular to an extendable hydraulic jacking device.
Background
The hydraulic jack is a hydraulic break-in tool, is mostly used for rescuing the victims trapped in the limited environment, and the main components are an oil cylinder and a piston push rod, usually a motor pump, an electric pump and the like are taken as power sources, and the piston push rod is ejected out of the oil cylinder by hydraulic pressure to realize the jack function.
In the rescue of car accidents, the hydraulic jacking device can locally support, stabilize or lift a vehicle as required, an emergency rescue channel is opened, and the device can be used for supporting and fixing dangerous objects, lifting heavy objects and expanding space in disaster rescue with collapse of buildings such as fire disasters and earthquakes, and is a necessary rescue tool for fire brigades, traffic police and other disaster rescue departments.
The existing hydraulic jack is suitable for working spaces by changing the stroke of an oil cylinder, for example, patent CN207861779U, the processing mode can generate rescue for different working spaces, more specifications of jack are required, thereby causing waste of resources, when the rescue space is large and the working space of the jack is small, the jack is lifted by using a cushion block, thereby opening the space, for example, patent CN108069360A, the processing mode can cause secondary damage risks once the cushion block is broken and collapsed, and once the occurrence is irreversible, therefore, the need for providing an extendable hydraulic jack which is applicable to multiple spaces, stable and fast to operate is urgent.
Disclosure of Invention
In order to make up for the defects of the prior art, the invention provides the extendable hydraulic jacking device which has the advantages of being suitable for multiple spaces, stable and fast to operate, and solves the problems of small applicable operation space range, unstable cushion block heightening and fast to operate of the conventional hydraulic jacking device.
The technical scheme adopted by the invention for solving the technical problems is as follows:
the utility model provides a can prolong hydraulic pressure shore ware, by quick interface, the control handle, multi-functional switching-over valve piece, the hydro-cylinder, a fixed base, quick-operation joint, connect the working head soon, connect the extension rod soon, and the working head is constituteed, control handle one end links to each other with quick interface, the control handle other end links to each other with multi-functional switching-over valve piece, multi-functional switching-over valve piece is connected on the fixed base, fixed base one end and quick-operation joint are connected, the fixed base other end is connected with the hydro-cylinder, the hydro-cylinder other end links to each other with a working head, connect extension rod one end soon and link to each.
In an embodiment of the present invention, the oil cylinder includes a cylinder barrel, a piston rod, a guide sleeve, a central oil pipe, and an oil pipe guide.
In an embodiment of the present invention, the quick-connect working head includes a quick coupling, a working head, an outer housing, an end sleeve, a limiting ring, a button, and a compression spring.
In an embodiment of the present invention, the quick-connect extension rod includes an external housing, an end sleeve, a limit ring, a button, a bidirectional connector, a compression spring, an extension tube, a quick connector, a plug, and a countersunk screw.
In one embodiment of the invention, the quick-connection extension rod is connected with the quick-connection working head and can be directly butted, the limiting ring in the quick-connection working head is automatically clamped and fixed under the action of the compression spring, other operations are not needed, and when the connection is disconnected, the limiting ring can be separated from the clamping groove only by lightly pressing a button in the quick-connection working head, so that the quick-connection extension rod is separated from the quick-connection working head and disconnected.
In one embodiment of the invention, the quick-connect extension rod is connected with the quick connector at the end of the fixing seat and can be directly butted, the limiting ring in the quick-connect extension rod is automatically clamped and fixed under the action of the compression spring, other operations are not needed, and when the connection is disconnected, the limiting ring can be separated from the clamping groove only by lightly pressing the button in the quick-connect extension rod, so that the quick connector at the end of the quick-connect extension rod and the quick connector at the end of the fixing seat is separated and disconnected.
In one embodiment of the invention, the quick-connect extension rod is connected with the quick-connect extension rod and can be directly butted, the limiting ring in the quick-connect extension rod is automatically clamped and fixed under the action of the compression spring, other operations are not needed, and when the connection is disconnected, the limiting ring can be separated from the clamping groove only by lightly pressing the button in the quick-connect extension rod, so that the quick-connect extension rod and the quick-connect extension rod are separated from the disconnection.
In an embodiment of the present invention, the quick extension rod can be used as a set of sleeve components with different lengths for combination and connection.
In an embodiment of the present invention, the end sleeve, the quick connector and the quick connector are matched and centered by a conical mechanism.
In one embodiment of the invention, the plug adopts a split structure, so that the plug is convenient to replace after being worn.
In one embodiment of the invention, the extendable hydraulic jacking device is connected with an external power source, hydraulic oil enters the multifunctional reversing valve block through the quick connector, the hydraulic oil cannot enter the oil cylinder when the control handle is in a neutral position, the hydraulic oil enters the oil cylinder through the fixed seat to push the piston rod to move outwards to realize a jacking function when the control handle is in a carry position, and the hydraulic oil enters the oil cylinder through the fixed seat and the central oil pipe to push the piston rod to move inwards to realize a retraction function when the control handle is in a return position.
In one embodiment of the invention, the hydraulic oil supply structure with differential acceleration is provided, the extension time of the piston can be reduced under the condition of not increasing the pump flow, the extension part adopts a quick butt joint structure, a quick extension rod with the optimal length can be selected to be suitable for the space to work, the jacking time of the jacking device is effectively reduced, and the hydraulic oil supply structure has the advantages of simple structure, convenience in operation, high jacking efficiency, safety and reliability.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic diagram of the structure of the apparatus of the present invention.
FIG. 2 is a partial cross-sectional view of the power section of the apparatus of the present invention.
Figure 3 is a cross-sectional view of a quick connect extension pole of the apparatus of the present invention.
FIG. 4 is a cross-sectional view of the quick connect head of the apparatus of the present invention.
FIG. 5 is a partial cross-sectional view of the quick connect extension rod and quick connect head of the present invention apparatus in combination.
In the figure: the quick connector comprises a quick connector 1, a control handle 2, a multifunctional reversing valve block 3, a fixing seat 4, an oil cylinder 5, a quick connector 6, a working head 7, a quick connection working head 8, a quick connection extension rod 9, a plug 25, a cylinder 501, a guide sleeve 502, a piston rod 503, a central oil pipe 504, an oil pipe 505, a connector 801, an outer shell 901, an end sleeve 902, a limit ring 903, a button 904, a 905 bidirectional connector, a 906 compression spring, an extension pipe 907, a quick connector 908, a top 909 and a countersunk head screw 910.
Detailed Description
As shown in fig. 1, the hydraulic prop capable of being extended provided by this embodiment is composed of a fast interface 1, a control handle 2, a multifunctional reversing valve block 3, a fixing seat 4, an oil cylinder 5, a fast joint 6, a working head 7, a fast joint working head 8 and a fast joint extension rod 9, wherein one end of the control handle 2 is connected with the fast interface 1, the other end of the control handle 2 is connected with the multifunctional reversing valve block 3, the multifunctional reversing valve block 3 is connected on the fixing seat 4, one end of the fixing seat 4 is connected with the fast joint 6, the other end of the fixing seat 4 is connected with the oil cylinder 5, the other end of the oil cylinder 5 is connected with the working head 7, one end of the fast joint extension rod 9 is connected with the fast joint 6, and the other end of the fast.
As shown in fig. 2, in an embodiment of the present invention, the cylinder 5 includes 501 cylinder, 502 guide sleeve, 503 piston rod, 504 central oil pipe, 505 oil pipe guide. One end of a cylinder 501 is connected with a fixed seat 4, the other end of the cylinder 501 is connected with a guide sleeve 502, a piston rod 503 is arranged in the cylinder 501, an oil pipe guide 505 is arranged at the right end of the piston rod 503, the right end of a central oil pipe 504 is connected with the fixed seat 4, the left end of the central oil pipe 504 penetrates through the oil pipe guide 505 and is arranged in an inner cavity of the piston rod 503, the left end of the piston rod 503 is connected with a working head 7, a plug 25 is connected inside the right end of the fixed seat 4, a quick joint 6 is connected to the right end of the fixed seat 4.
The power supply supplies oil to the hydraulic prop-top device capable of being prolonged, hydraulic oil enters the multifunctional reversing valve block 3 through the quick connector 1, when the control handle 2 is located at a middle position, the hydraulic oil cannot enter the oil cylinder 5, when the control handle 2 is located at a carry position, the hydraulic oil enters the oil cylinder through the fixing seat 4 to push the piston rod 503 to move outwards to realize a prop-top function, and when the control handle 2 is located at a return position, the hydraulic oil enters the oil cylinder through the fixing seat 4 and the central oil pipe 504 to push the piston rod 503 to move inwards to realize a retraction function.
As shown in fig. 3, in one embodiment of the present invention, the quick connect extension rod 9 comprises 901 an outer housing, 902 an end sleeve, 903 a retaining ring, 904 a button, 905 a bi-directional connector, 906 a compression spring, 907 an extension tube, 908 a quick connector, 909 a top, 910 a countersunk screw. The left end of an outer shell 901 is connected with an end sleeve 902, a limiting ring 903 is respectively connected with a compression spring 906 and a button 904 and is arranged in the outer shell 901, the right end of the outer shell 901 is connected with a bidirectional connector 905, the right end of the bidirectional connector 905 is connected with an extension pipe 907, the right end of the extension pipe 907 is connected with a quick connector 908, and the right end of the quick connector 908 is connected with a top 909 and is fixed by a countersunk screw 910.
As shown in fig. 4, in an embodiment of the present invention, the quick-connect working head 8 includes a 801 connector, a 901 outer housing, a 902 end sleeve, a 903 limit ring, a 904 button, a 906 compression spring, a 909 top, and 910 countersunk head screw. The left end of the outer shell 901 is connected with the end sleeve 902, the limiting ring 903 is respectively connected with the compression spring 906 and the button 904 and is arranged in the outer shell 901, the right end of the outer shell 901 is connected with the connecting head 801, and the right end of the connecting head 801 is connected with the working head 7.
In an embodiment of the invention, the quick-connect extension rod 9 is connected with the quick-connect working head 8 and can be directly butted, the limiting ring 903 in the quick-connect working head 8 is automatically clamped and fixed under the action of the compression spring 906, other operations are not needed, and when the connection is disconnected, the limiting ring 903 can be separated from the clamping groove by lightly pressing the button 904 in the quick-connect working head 8, so that the quick-connect extension rod 9 is separated from the quick-connect working head 8 and disconnected.
In an embodiment of the present invention, the quick-connect extension rod 9 is connected to the quick-coupling 6, and can be directly butted, the limit ring 903 in the quick-connect extension rod 9 is automatically clamped and fixed under the action of the compression spring 906, and no other operation is required, and when the connection is disconnected, the limit ring can be disengaged from the slot by lightly pressing the button 904 in the quick-connect extension rod 9, so that the quick-connect extension rod 9 is disengaged from the quick-coupling 6.
In an embodiment of the present invention, the quick-connect extension rod 9 can also be connected with the quick-connect extension rod 9 and can be directly butted, the limit ring 903 in the quick-connect extension rod 9 is automatically clamped and fixed under the action of the compression spring 906, no other operation is needed, and when the connection is disconnected, the limit ring can be disengaged from the clamping groove by only lightly pressing the button 904 in the quick-connect extension rod 9, so that the quick-connect extension rod 9 is disengaged from the quick-connect extension rod 9.
In one embodiment of the present invention, extension tube 907 of rod 9 can be made as a different length component, i.e. rod 9 can be assembled and connected as a sleeve assembly.
In an embodiment of the present invention, the end sleeve 902, the quick connector 908 and the quick connector 6 are engaged by a conical mechanism, which can perform a quick centering function, so that the whole mechanism is more stable.
In an embodiment of the present invention, the quick connector 908, the plug 909 and the countersunk screw 910 are of a split structure, wherein the plug 909 is made of alloy steel, and is wear-resistant and convenient to replace after being worn.
The device provided by the invention has a differential accelerating hydraulic oil supply structure, the extension time of the piston can be reduced under the condition of not increasing the pump flow, the extension part adopts a quick butt joint structure, a quick extension rod with the optimal length can be selected to be suitable for the space work, the jacking time of the jacking device is effectively reduced, and the device has the advantages of simple structure, convenience in operation, high jacking efficiency, safety and reliability.
Claims (6)
1. An extendable hydraulic jack is characterized by comprising a quick connector (1), a control handle (2), a multifunctional reversing valve block (3), an oil cylinder (5) and a fixed seat (4), quick-operation joint (6), connect working head (8) soon, connect extension rod (9) soon, constitute with working head (7), control handle (2) one end links to each other with quick interface (1), control handle (2) other end links to each other with multi-functional switching-over valve piece (3), multi-functional switching-over valve piece (3) are connected on fixing base (4), fixing base (4) one end is connected with quick-operation joint (6), fixing base (4) other end is connected with hydro-cylinder (5), hydro-cylinder (5) other end links to each other with a working head (7), connect extension rod (9) one end soon and link to each other with quick-operation joint (6), connect extension rod (9) other end soon and connect working head (8) soon and link to each other.
2. The extendable hydraulic jack according to claim 1, wherein the quick-connect extension rod (9) comprises an outer housing (901), an end sleeve (902), a limiting ring (903), a button (904), a bidirectional connector (905), a compression spring (906), an extension pipe (907), a quick connector (908), a jack (909) and a countersunk screw (910), the left end of the outer housing (901) is connected with the end sleeve (902), the limiting ring (903) is respectively connected with the compression spring (906) and the button (904), the limiting ring (903), the button (904) and the compression spring (906) are arranged in the outer housing (901), the right end of the outer housing (901) is connected with the bidirectional connector (905), the right end of the bidirectional connector (905) is connected with the extension pipe (907), the right end of the extension pipe (907) is connected with the quick connector (908), and the right end of the quick connector (908) is connected with the jack (909), is fixed by a countersunk head screw (910).
3. The extendable hydraulic jack according to claim 1, wherein the quick-connection working head (8) comprises a connecting head (801), an outer shell (901), an end sleeve (902), a limiting ring (903), a button (904), a compression spring (906), a jack (909) and a countersunk screw (910), the left end of the outer shell (901) is connected with the end sleeve (902), the limiting ring (903) is respectively connected with the compression spring (906) and the button (904), the limiting ring (903), the button (904) and the compression spring (906) are arranged in the outer shell (901), the right end of the outer shell (901) is connected with the connecting head (801), and the right end of the connecting head (801) is connected with the working head (7).
4. An extendable hydraulic prop according to claim 2, characterized in that the quick extension rods (9) are connectable as a combination of sleeve assemblies of different lengths.
5. The extendable hydraulic jack of claims 1, 2, and 3, wherein said end sleeve (902), said quick connector (908), and said quick connector (6) are fitted and centered by a conical mechanism.
6. The extendable hydraulic prop according to claim 2, wherein the quick connector (908), the top head (909) and the countersunk head screw (910) in the quick extension rod (9) are of a split structure, and the top head (909) is made of alloy steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910083161.4A CN111483941A (en) | 2019-01-29 | 2019-01-29 | Extendable hydraulic jack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910083161.4A CN111483941A (en) | 2019-01-29 | 2019-01-29 | Extendable hydraulic jack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111483941A true CN111483941A (en) | 2020-08-04 |
Family
ID=71788647
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910083161.4A Pending CN111483941A (en) | 2019-01-29 | 2019-01-29 | Extendable hydraulic jack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111483941A (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2900460Y (en) * | 2006-05-12 | 2007-05-16 | 孟庆涛 | Multifunction mechanical separating jack |
| WO2011150856A1 (en) * | 2010-06-04 | 2011-12-08 | Peng Dong | Quick connection device for cover of toilet bowl and bowl |
| CN102502448A (en) * | 2011-09-29 | 2012-06-20 | 天津泰瑞救援装备有限公司 | Novel hydraulic rescue mandril |
| CN204714435U (en) * | 2015-06-04 | 2015-10-21 | 山东奥来机械科技有限公司 | Two-way push rod |
| CN205294710U (en) * | 2016-01-15 | 2016-06-08 | 九江市浩川消防装备有限公司 | Hydraulic pressure props apical organ |
| CN205745798U (en) * | 2016-07-07 | 2016-11-30 | 江西艾克实业有限公司 | A kind of snap joint of push button |
| CN207119580U (en) * | 2017-01-12 | 2018-03-20 | 浙江安露清洗机有限公司 | The fast connection mechanism of jetting machine water side shower nozzle |
| CN108069360A (en) * | 2016-11-18 | 2018-05-25 | 奥来救援科技有限公司 | Differential acceleration hydraulic pressure jacking machine |
| CN207861779U (en) * | 2017-11-28 | 2018-09-14 | 奥来救援科技有限公司 | Bidirectional hydraulic mandril |
| CN209740590U (en) * | 2019-01-29 | 2019-12-06 | 奥来救援科技有限公司 | Extendable hydraulic jack |
-
2019
- 2019-01-29 CN CN201910083161.4A patent/CN111483941A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2900460Y (en) * | 2006-05-12 | 2007-05-16 | 孟庆涛 | Multifunction mechanical separating jack |
| WO2011150856A1 (en) * | 2010-06-04 | 2011-12-08 | Peng Dong | Quick connection device for cover of toilet bowl and bowl |
| CN102502448A (en) * | 2011-09-29 | 2012-06-20 | 天津泰瑞救援装备有限公司 | Novel hydraulic rescue mandril |
| CN204714435U (en) * | 2015-06-04 | 2015-10-21 | 山东奥来机械科技有限公司 | Two-way push rod |
| CN205294710U (en) * | 2016-01-15 | 2016-06-08 | 九江市浩川消防装备有限公司 | Hydraulic pressure props apical organ |
| CN205745798U (en) * | 2016-07-07 | 2016-11-30 | 江西艾克实业有限公司 | A kind of snap joint of push button |
| CN108069360A (en) * | 2016-11-18 | 2018-05-25 | 奥来救援科技有限公司 | Differential acceleration hydraulic pressure jacking machine |
| CN207119580U (en) * | 2017-01-12 | 2018-03-20 | 浙江安露清洗机有限公司 | The fast connection mechanism of jetting machine water side shower nozzle |
| CN207861779U (en) * | 2017-11-28 | 2018-09-14 | 奥来救援科技有限公司 | Bidirectional hydraulic mandril |
| CN209740590U (en) * | 2019-01-29 | 2019-12-06 | 奥来救援科技有限公司 | Extendable hydraulic jack |
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