CN217535261U - Device for connecting telescopic oil cylinder and fixed arm - Google Patents
Device for connecting telescopic oil cylinder and fixed arm Download PDFInfo
- Publication number
- CN217535261U CN217535261U CN202220385377.3U CN202220385377U CN217535261U CN 217535261 U CN217535261 U CN 217535261U CN 202220385377 U CN202220385377 U CN 202220385377U CN 217535261 U CN217535261 U CN 217535261U
- Authority
- CN
- China
- Prior art keywords
- cylinder
- oil cylinder
- arm
- telescopic oil
- telescopic
- 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
- Jib Cranes (AREA)
Abstract
The utility model provides a connect device of flexible hydro-cylinder and fixed arm, includes fixed arm and flexible arm, the inside flexible hydro-cylinder of connecting flexible arm when being equipped with flexible operation of fixed arm is equipped with a plurality of adapting units between fixed arm and the flexible hydro-cylinder, and adapting unit includes fixing device and connecting device, and fixing device sets up on the fixed arm, and flexible hydro-cylinder passes through connecting device and is in the same place with fixing device links to each other. The device for connecting the telescopic oil cylinder and the fixed arm realizes the descending and ascending of the height of the telescopic oil cylinder through the height adjustment of the lifting device, and improves the disassembly and assembly efficiency of the telescopic knuckle arm; the connecting device is connected with a plurality of hanging structures on the telescopic oil cylinder, so that the telescopic oil cylinder keeps the original angle and does not rotate in the transportation process.
Description
Technical Field
The utility model relates to an engineering machine tool technical field specifically is a connect device of flexible hydro-cylinder and fixed arm.
Background
As the tonnage level of the crane rises, the section of the main crane boom is increased, and the weight is increased. The main boom of a kiloton-class crane is detached from the crane and transported separately. Limited by the axle load of the transport vehicle, N sections of telescopic arms (N can be 0) assembled by adopting a fixed arm and a telescopic oil cylinder are used as a group to be placed on the transport vehicle for transportation, and the rest telescopic arms are transported in groups. The main crane arm of the crane below thousand tons is transported with the crane, and according to the national traffic regulations, the five-bridge and above all-ground crane exceeds 55 tons, does not handle the vehicle driving permission and cannot be branded. The five-bridge and above all-ground crane needs to increase 55-ton announcement state, the announcement state is generally that a fixed arm is assembled with N telescopic arms (N can be 0) and a telescopic oil cylinder is remained on the crane for transportation, and the rest telescopic arms are transported by using a transportation vehicle as a group.
According to the two conditions, the fixed arm is assembled with N sections of telescopic arms (N can be 0) and the telescopic oil cylinders are placed on a transport vehicle as a group for transport in the transport process of the crane, and the rest telescopic arms are detached from the fixed arm. During the process of arriving at a client from the factory of the crane and installing and using, the main crane arm has two states of transportation on the way and assembly on the site.
In the transportation process, one end of a cylinder rod of the telescopic oil cylinder is connected with a tail pin shaft of the fixed arm, the other end of a cylinder barrel of the telescopic oil cylinder naturally falls into the fixed arm barrel, the telescopic oil cylinder is inclined in the length direction, and a front sliding block of the telescopic oil cylinder is in contact with the inner surface of the fixed arm barrel. There is not the restraint between flexible hydro-cylinder and the fixed arm, and flexible hydro-cylinder can take place the condition such as rotation, cylinder front end horizontal hunting when the vehicle jolts in the transportation. After the crane is transported to a working site, the telescopic boom and the fixed boom are assembled, the telescopic oil cylinder guide rail inside the fixed boom and an oil cylinder passageway at the boom tail of the telescopic boom have height and angle difference, and cannot be normally assembled, the boom tail of the telescopic boom and the telescopic oil cylinder are damaged due to collision, the height and the angle of the telescopic oil cylinder need to be adjusted by using an auxiliary crane, and the telescopic boom is difficult to install. The weight of the telescopic oil cylinder is generally 2 tons to 10 tons, and the telescopic oil cylinder cannot be adjusted by manpower alone.
According to the current situation of main boom transportation of cranes at home and abroad, the telescopic oil cylinder generally naturally falls into the cylinder body, and the cylinder barrel of the telescopic oil cylinder is not connected with the fixed arm. The cylinder barrel of the telescopic oil cylinder is not restrained, and the cylinder barrel of the telescopic oil cylinder can rotate in the transportation process. The telescopic oil cylinder is placed inside the fixed arm in a natural state, and the telescopic oil cylinder is easy to deform. The height of the telescopic oil cylinder guide rail needs to be adjusted by an auxiliary crane in the assembling process.
Disclosure of Invention
The utility model aims to solve the technical problem that overcome above-mentioned prior art not enough, provide a simple structure, respond well device of connecting telescopic cylinder and fixed arm.
The utility model discloses a realize with following technical scheme: the utility model provides a connect device of flexible hydro-cylinder and fixed arm, includes fixed arm and flexible arm, the inside flexible hydro-cylinder of connecting flexible arm when being equipped with flexible operation of fixed arm, be equipped with a plurality of adapting unit between fixed arm and the flexible hydro-cylinder, adapting unit includes fixing device and connecting device, fixing device sets up on the fixed arm, flexible hydro-cylinder passes through connecting device and is in the same place with fixing device links to each other.
It further comprises the following steps: the connecting parts are arranged along the length direction of the telescopic oil cylinder.
The fixing device is connected by a shaft hole, a groove or a lock catch.
The connecting device is a flexible connecting piece, and the telescopic oil cylinder is provided with a hanging structure connected with the connecting device.
The connecting device is a chain, a flexible cable, a pull cable or a connecting rod.
The number of the hanging structures at the connecting part of the telescopic oil cylinder and the connecting part is not less than two.
And a lifting device is arranged between the fixing device and the connecting device, the lifting device is connected with an arm pin disc on the fixing arm through the fixing device, and the lifting device is connected with the telescopic oil cylinder through the connecting device.
The lifting device is a telescopic oil cylinder, an electric hoist or a hydraulic jack.
The maximum stroke of the lifting device is not less than the requirement of height adjustment of the telescopic oil cylinder in the assembling process.
The utility model has the advantages of it is following: the device for connecting the telescopic oil cylinder and the fixed arm realizes the descending and ascending of the height of the telescopic oil cylinder through the height adjustment of the lifting device, and improves the disassembly and assembly efficiency of the telescopic knuckle arm; the connecting device is connected with a plurality of hanging structures on the telescopic oil cylinder, so that the telescopic oil cylinder keeps the original angle and does not rotate in the transportation process.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a partial structural schematic diagram of the present invention;
fig. 3 is an external structural view of the present invention;
in the figure: 1. the device comprises a fixed arm, 2, a telescopic arm, 3, a telescopic oil cylinder, 4, a lifting device, 5, a fixing device, 6, a connecting device, 7, a hanging structure, 8 and an arm pin disc.
Detailed Description
As shown in fig. 1 to 3, the device for connecting the telescopic oil cylinder and the fixed arm comprises a fixed arm 1 and a telescopic arm 2, wherein the telescopic oil cylinder 3 for connecting the telescopic arm 2 during telescopic operation is arranged in the fixed arm 1, a plurality of connecting parts are arranged between the fixed arm 1 and the telescopic oil cylinder 3, each connecting part comprises a fixing device 5 and a connecting device 6, the fixing device 5 is arranged on the fixed arm 1, and the telescopic oil cylinder 3 is connected with the fixing device 5 through the connecting device 6. The connecting parts are arranged along the length direction of the telescopic oil cylinder 3. The utility model discloses a device of connecting flexible hydro-cylinder and fixed arm sets up a plurality of adapting unit between fixed arm and flexible hydro-cylinder, and a plurality of adapting units set up along flexible hydro-cylinder length direction, can make flexible hydro-cylinder not take place to rotate in the transportation, and wherein adapting unit includes fixing device and connecting device, and connecting device's one end is passed through fixing device and is connected with the fixed arm, and the other end is connected with flexible hydro-cylinder, this simple structure, and respond well.
As shown in fig. 1 to fig. 3, the fixing device 5 is a shaft hole connection, a groove connection or a snap connection. The connecting device 6 is a flexible connecting piece, and the telescopic oil cylinder 3 is provided with a hanging structure 7 connected with the connecting device 6. The connecting device 6 is a chain, a flexible cable, a guy cable or a connecting rod. And at least two hanging structures 7 are arranged at the connecting part of the telescopic oil cylinder 3 and the connecting part. The fixing device of the utility model can be completely fixed in three directions, or only in two directions, so as to prevent the telescopic oil cylinder from falling down naturally, and the scheme of completely fixing the three directions is bolt connection, so that the lifting device is fixed on the arm pin disc; the connecting device is a flexible connecting piece with hanging hooks or hanging shackles at two ends, a group of connecting devices are generally provided with N1 connecting pieces which are hung on N2 hanging structures of the telescopic oil cylinder (the quantity of N1 and N2 is not fixed, and the quantity of N1 and N2 can be the same or different), the function of preventing the telescopic oil cylinder from rotating is achieved, the alternative scheme of the fixing device comprises but is not limited to shaft hole connection, groove connection, lock catch connection and the like, and the alternative scheme of the connecting device comprises but is not limited to chains, flexible cables, inhaul cables, connecting rods and the like.
In the device for connecting the telescopic cylinder and the fixing arm as shown in fig. 1 to 3, a lifting device 4 is arranged between the fixing device 5 and the connecting device 6, the lifting device 4 is connected with an arm pin disc 8 on the fixing arm 1 through the fixing device 5, and the lifting device 4 is connected with the telescopic cylinder 3 through the connecting device 6. The lifting device 4 is a telescopic oil cylinder, an electric hoist or a hydraulic jack. The maximum stroke of the lifting device 4 is not less than the requirement of height adjustment of the telescopic oil cylinder 3 in the assembling process. The lifting device is also arranged between the fixing device and the connecting device, the fixing device is used for connecting and fixing the lifting device and the fixing arm, the connecting device is used for connecting the lifting device and the telescopic oil cylinder, one end of the connecting device is connected to the lifting device, the other end of the connecting device is connected to the hanging structure on the telescopic oil cylinder, and after the connecting action is completed, the flexible connecting piece is straightened and tightened by using the lifting device; the lifting device mainly plays a role in adjusting the height of the telescopic oil cylinder, the height is adjusted in the processes of disassembling and assembling the telescopic arm sections, collision danger is avoided, the maximum stroke of the lifting device meets the requirement of adjusting the height of the telescopic oil cylinder in the process of assembling the telescopic arm, and the lifting device is in a form including but not limited to the telescopic oil cylinder, an electric hoist, a hydraulic jack and the like; the technical proposal of the utility model realizes the descending and ascending of the height of the telescopic oil cylinder through the height adjustment of the lifting device; the connecting device is connected with a plurality of hanging structures on the telescopic oil cylinder, so that the telescopic oil cylinder keeps the original angle and does not rotate.
Claims (9)
1. The utility model provides a connect device of flexible hydro-cylinder and fixed arm which characterized in that: including fixed arm (1) and flexible arm (2), the flexible hydro-cylinder (3) of connecting flexible arm (2) when fixed arm (1) inside is equipped with flexible operation, be equipped with a plurality of adapting units between fixed arm (1) and flexible hydro-cylinder (3), adapting unit includes fixing device (5) and connecting device (6), fixing device (5) set up on fixed arm (1), flexible hydro-cylinder (3) link together through connecting device (6) and fixing device (5).
2. The apparatus of claim 1, wherein the means for connecting the telescopic cylinder to the stationary arm comprises: the connecting parts are arranged along the length direction of the telescopic oil cylinder (3).
3. The apparatus of claim 1 for connecting a telescopic cylinder to a stationary arm, wherein: the fixing device (5) is in shaft hole connection, groove connection or lock catch connection.
4. The apparatus of claim 1 for connecting a telescopic cylinder to a stationary arm, wherein: the connecting device (6) is a flexible connecting piece, and the telescopic oil cylinder (3) is provided with a hanging structure (7) connected with the connecting device (6).
5. The apparatus of claim 4, wherein the means for connecting the telescopic cylinder to the stationary arm comprises: the connecting device (6) is a chain, a flexible cable, a guy cable or a connecting rod.
6. The apparatus of claim 4, wherein the means for connecting the telescopic cylinder to the stationary arm comprises: the number of the hanging structures (7) at the connecting part of the telescopic oil cylinder (3) and the connecting part is not less than two.
7. The apparatus of claim 1, wherein the means for connecting the telescopic cylinder to the stationary arm comprises: a lifting device (4) is arranged between the fixing device (5) and the connecting device (6), the lifting device (4) is connected with an arm pin disc (8) on the fixing arm (1) through the fixing device (5), the lifting device (4) is connected with the telescopic oil cylinder (3) through a connecting device (6).
8. The apparatus of claim 7, wherein the means for connecting the telescopic cylinder to the stationary arm comprises: the lifting device (4) is a telescopic oil cylinder, an electric hoist or a hydraulic jack.
9. The apparatus of claim 7, wherein the means for connecting the telescopic cylinder to the stationary arm comprises: the maximum stroke of the lifting device (4) is not less than the requirement of height adjustment of the telescopic oil cylinder (3) in the assembling process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220385377.3U CN217535261U (en) | 2022-02-25 | 2022-02-25 | Device for connecting telescopic oil cylinder and fixed arm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220385377.3U CN217535261U (en) | 2022-02-25 | 2022-02-25 | Device for connecting telescopic oil cylinder and fixed arm |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217535261U true CN217535261U (en) | 2022-10-04 |
Family
ID=83426816
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220385377.3U Active CN217535261U (en) | 2022-02-25 | 2022-02-25 | Device for connecting telescopic oil cylinder and fixed arm |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217535261U (en) |
-
2022
- 2022-02-25 CN CN202220385377.3U patent/CN217535261U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202358849U (en) | Small-size suspension crane | |
| CN201240787Y (en) | Flat-top tower crane | |
| CN101100267A (en) | Hoisting device for loop wheel machine | |
| CN201614227U (en) | Hoisting rigging device | |
| CN217535261U (en) | Device for connecting telescopic oil cylinder and fixed arm | |
| CN208071727U (en) | A kind of blast furnace hanging scaffold | |
| CN201737639U (en) | Integral inverted hoist | |
| CN111824972B (en) | Crane with a movable crane | |
| CN109941897B (en) | Tower crane jacking method | |
| CN101293619A (en) | Portal frame tire type T shaped beam lifting and transporting vehicle | |
| CN104139726B (en) | Preventing spraying operation workover rig special transport vehicle | |
| CN201228201Y (en) | Gantry tire type T beam lifting and conveying vehicle | |
| CN201367726Y (en) | Lifter for high operation hanging basket | |
| CN205590168U (en) | Overturning lifting device | |
| CN101717034A (en) | Hoisting rigging device | |
| CN212609006U (en) | Hoisting tool for cooling pipeline of flexible direct-current converter valve | |
| CN210049875U (en) | Hydraulic oil pumping unit | |
| CN210065018U (en) | Rotatory davit device of synthetic insulator chain hangs in pair L type | |
| CN201980890U (en) | Herringbone hoisting mast for hoisting under special situation of high altitude | |
| CN105480861A (en) | Turnover lifting tool | |
| CN201539092U (en) | Lifting system of lifting scaffold equipment | |
| CN209976002U (en) | Wheel rail lifting mechanism of attached lifting scaffold | |
| CN205472332U (en) | Rotatable simple and easy armful of pole hoist | |
| CN212893604U (en) | Cargo boom and balance arm integrated root section structure of flat-top tower crane | |
| CN216638762U (en) | Movable pulley block structure suitable for large-angle diagonal-pulling working condition gantry hoist |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |