CN210258616U - Self-walking crane crawler belt adjusting device - Google Patents
Self-walking crane crawler belt adjusting device Download PDFInfo
- Publication number
- CN210258616U CN210258616U CN201921190308.1U CN201921190308U CN210258616U CN 210258616 U CN210258616 U CN 210258616U CN 201921190308 U CN201921190308 U CN 201921190308U CN 210258616 U CN210258616 U CN 210258616U
- Authority
- CN
- China
- Prior art keywords
- tensioning
- guide wheel
- support
- track
- cylinder
- 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 belongs to the technical field of the hoist track, concretely relates to from walking hoist track adjusting device, one side that the track frame is close to the leading wheel is equipped with the track support, is fixed with the tensioning hydro-cylinder on the track support, and the other end of tensioning hydro-cylinder is equipped with the hydraulic fluid port that lets in the rodless chamber of tensioning hydro-cylinder with the wheel hub connection of leading wheel on the tensioning hydro-cylinder. According to the grease type tensioning mechanism, when the tensioning mechanism is adjusted, grease is injected into the tensioning device through a universal grease gun, so that the tensioning cylinder can extend out, the guide wheel bracket is driven to extend out, the tensioning of the track is realized, and the tensioning is quick and effective; the crawler frame with the built-in cross beam occupies small space, is light in weight and high in structural strength, and the mounting point of the tensioning oil cylinder is firm; the adjustable type guide wheel mechanism with the slide rail is characterized in that the outer side of the guide wheel is provided with a slide rail support, the inner side of the crawler frame is provided with the slide rail, the guide wheel can integrally slide with the adjusting support, the adjustment is convenient, and the fixation is reliable.
Description
Technical Field
The utility model belongs to the technical field of the hoist track, concretely relates to self-propelled hoist track adjusting device.
Background
The self-walking crane belongs to a miniature crawler crane, a synthetic rubber crawler hydraulic walking device is adopted during normal walking, supporting legs are unfolded during hoisting operation, and the hoisting operation is completed by means of the support of the large-span supporting legs. The machine is suitable for operation in narrow space where a large crane cannot be unfolded, can be widely applied to loading and unloading goods in transformer substations, building roofs, glass curtain walls, subway construction, indoor steel structures, freight yard wharfs, warehouses and the like, can greatly reduce labor intensity during loading and unloading goods, improves working efficiency and saves manpower.
The crawler traveling device is an important mechanism of a self-traveling crane and is mainly responsible for actions of dead weight no-load traveling, turning, climbing and the like of the crane. The progress of opening in the track working process influences track life great, can cause the inside iron core rupture of track and then makes the track damage when serious, makes the hoist lose the support, takes place to tumble easily, threatens man-machine safety. The existing self-walking crane has a simpler tensioning device, generally adopts a double-nut mechanical adjusting structure of a screw rod or a lead screw, is difficult to adjust and occupies a large space; the oil cylinder adjusting device is installed by an external manufacturer, and the structure of the oil cylinder adjusting device is that an adjusting branch is independently arranged, so that the control is complex, the cost is high, and the maintainability is poor.
Disclosure of Invention
In order to overcome the shortcomings of the prior art, the utility model provides a self-walking crane crawler adjusting device.
The utility model discloses a realize through following technical scheme: a crawler support is arranged on one side, close to a guide wheel, of a crawler frame, a tensioning oil cylinder is fixed on the crawler support, one end of the tensioning oil cylinder is connected with a support of the guide wheel, and an oil port which is communicated with a rodless cavity of the tensioning oil cylinder is formed in the tensioning oil cylinder.
Furthermore, a guide wheel slide way is further arranged on the crawler frame, a support of the guide wheel is located in the slide way, and a cylinder rod of the tensioning oil cylinder is connected with the guide wheel support to drive the guide wheel in the slide way to slide and tension.
Furthermore, the cylinder bottom of the tensioning oil cylinder is fixed with the track support, and a piston rod of the tensioning oil cylinder is connected with the guide wheel support.
Furthermore, the cylinder bottom of the tensioning oil cylinder is fixedly connected with the side surface of the track support close to one side of the guide wheel.
Further, the oil port is provided with a check valve.
Furthermore, the hydraulic oil injected into the rodless cavity of the tensioning oil cylinder is grease.
The utility model has the advantages that: according to the grease type tensioning mechanism, when the tensioning mechanism is adjusted, grease is injected into the tensioning device through a universal grease gun, so that the tensioning cylinder can extend out, the guide wheel bracket is driven to extend out, the tensioning of the track is realized, and the tensioning is quick and effective; the crawler frame with the built-in cross beam occupies small space, is light in weight and high in structural strength, and the mounting point of the tensioning oil cylinder is firm; the adjustable type guide wheel mechanism with the slide rail is characterized in that the outer side of the guide wheel is provided with a slide rail support, the inner side of the crawler frame is provided with the slide rail, the guide wheel can integrally slide with the adjusting support, the adjustment is convenient, and the fixation is reliable.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of the crawler belt device of the present invention;
in the figure, the device comprises a rubber crawler 1, a guide wheel 2, a tensioning device 3, a crawler frame 4, a crawler frame 5, a thrust wheel 6, a tug wheel 7, a driving wheel 8, a walking speed reducer 9, a guide wheel slideway 10, a tensioning support 11, a tensioning oil cylinder 12, an oil port 13 and a crawler support.
Detailed Description
The invention will be further explained below with reference to the drawings and examples.
As shown in figures 1 and 2, the crawler belt adjusting device of the self-walking crane is characterized in that a rubber crawler belt 1 is arranged on the left and right of a crawler belt walking device, a driving wheel 7 is arranged at the front end of a crawler frame 4, a walking speed reducer 8 is driven by a hydraulic motor to drive the driving wheel 7 to rotate, the rubber crawler belt 1 is further driven to rotate, the whole vehicle is driven to move forwards or backwards, the weight of a vehicle body is distributed on the two rubber crawler belts 1 through the crawler frame 4 in the rotating process, pressure is distributed on the rubber crawler belts 1 through supporting wheels 5, the rubber crawler belts 1 are large in contact area with the ground, the pressure on the ground is small, and collapse and settlement are not prone to. The guide wheel 2 is arranged at the tail part of the crawler frame 4, the inner side of the guide wheel 2 slides in a slide rail, and the center distance between the guide wheel 2 and the driving wheel 7 is adjusted through the tensioning device 3 to complete the tensioning of the crawler. One side of the track frame 4 close to the guide wheel 2 is provided with a track support 13, the track support 13 is fixed with a tensioning device 3, the tensioning device 3 comprises a tensioning oil cylinder 11, the other end of the tensioning oil cylinder 11 is connected with a support of the guide wheel 2, the tensioning oil cylinder 11 is provided with an oil port 12 communicated with a rodless cavity of the tensioning oil cylinder 11, and the oil port 12 is provided with a one-way valve. The bottom of the tensioning oil cylinder 11 is fixed with the track support 13, and a piston rod of the tensioning oil cylinder 11 is connected with the support of the guide wheel 2.
When the crawler belt needs to be disassembled or assembled, the one-way valve of the oil port 12 is disassembled, grease in a rodless cavity of the tensioning oil cylinder 11 is discharged, a piston rod of the tensioning oil cylinder 11 retracts into a cylinder body of the tensioning oil cylinder 11, the guide wheel 2 retracts to the minimum position, the center distance between the driving wheel 7 and the guide wheel 2 is reduced to the minimum, and the rubber crawler belt 1 can be assembled into a track formed by the driving wheel 7, the thrust wheel 5, the guide wheel 2 and the tug 6 in a loose state.
When the tensioning is needed in normal work, a grease gun is used for injecting grease through the oil port 12, the grease is injected into the rodless cavity of the tensioning oil cylinder 11, the piston rod of the tensioning oil cylinder 11 extends out, the guide wheel 2 is driven to extend out, the center distance between the driving wheel 7 and the guide wheel 2 is gradually increased, and the rubber track 1 is gradually tensioned in the track formed by the driving wheel 7, the thrust wheel 5, the guide wheel 2 and the tug 6.
As an improvement of this embodiment, the track frame 4 is further provided with a guide wheel slide 9, a support of the guide wheel 2 is located in the guide wheel slide 9, and the tensioning cylinder 11 extends into the guide wheel slide 9 and is connected with the support of the guide wheel 2. So that the tensioning cylinder 11 is guided by the guide wheel slideway 9 to move the guide wheel 2 and the piston rod of the tensioning cylinder 11 when stretching.
Furthermore, the end of the piston rod of the tensioning cylinder 11 is fixedly connected with a tensioning bracket 10, and the tensioning bracket 10 is fixedly connected with the bracket of the guide wheel 2. Furthermore, the bottom of the tensioning cylinder 11 is fixedly connected with the side surface of the track frame 13 close to the guide wheel 2.
Further, the hydraulic oil injected into the rodless cavity of the tensioning oil cylinder 11 is grease.
When the device designed by the utility model can realize the track assembly, the guide wheel is adjusted towards the driving wheel, so that the center distance between the driving wheel and the guide wheel is shortened, and the rubber track is convenient to install in a loose state; when the crawler belt works, the guide wheels need to be adjusted to the direction away from the driving wheels, so that the center distance between the driving wheels and the guide wheels is lengthened, and the crawler belt can walk under the condition of certain tension force.
Claims (7)
1. The utility model provides a self-walking hoist track adjusting device which characterized in that: one side of the track frame (4) close to the guide wheel (2) is provided with a track support (13), a tensioning oil cylinder (11) is fixed on the track support (13), the other end of the tensioning oil cylinder (11) is connected with a support of the guide wheel (2), and an oil port (12) which is communicated with a rodless cavity of the tensioning oil cylinder (11) is arranged on the tensioning oil cylinder (11).
2. A self-propelled crane crawler adjustment apparatus as in claim 1, wherein: still be equipped with guide wheel slide (9) on track frame (4), the support of guide wheel (2) is located guide wheel slide (9), tensioning hydro-cylinder (11) stretch into in guide wheel slide (9) and the leg joint of guide wheel (2).
3. A self-propelled crane crawler adjustment apparatus as in claim 1, wherein: the bottom of the tensioning oil cylinder (11) is fixed with the track support (13), and a piston rod of the tensioning oil cylinder (11) is connected with the support of the guide wheel (2).
4. A self-propelled crane crawler adjustment apparatus according to claim 3, wherein: the end part of a piston rod of the tensioning oil cylinder (11) is fixedly connected with a tensioning support (10), and the tensioning support (10) is fixedly connected with a support of the guide wheel (2).
5. A self-propelled crane crawler adjustment apparatus according to claim 3, wherein: the bottom of the tensioning oil cylinder (11) is fixedly connected with the side surface of one side of the track support (13) close to the guide wheel (2).
6. A self-propelled crane crawler adjustment apparatus as in claim 1, wherein: the oil port (12) is provided with a one-way valve.
7. A self-propelled crane crawler adjustment apparatus as in claim 1, wherein: the hydraulic oil injected into the rodless cavity of the tensioning oil cylinder (11) is grease.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921190308.1U CN210258616U (en) | 2019-07-26 | 2019-07-26 | Self-walking crane crawler belt adjusting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921190308.1U CN210258616U (en) | 2019-07-26 | 2019-07-26 | Self-walking crane crawler belt adjusting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210258616U true CN210258616U (en) | 2020-04-07 |
Family
ID=70014556
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921190308.1U Active CN210258616U (en) | 2019-07-26 | 2019-07-26 | Self-walking crane crawler belt adjusting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210258616U (en) |
-
2019
- 2019-07-26 CN CN201921190308.1U patent/CN210258616U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102094579A (en) | Full-hydraulic tire rock drilling anchoring drill carriage | |
| CN110329376A (en) | From walking crane crawler belt regulating device | |
| CN201546631U (en) | Telescopic mast drill derrick | |
| CN110329389B (en) | Double-foot bionic robot based on link mechanism | |
| CN203428790U (en) | Crawler-type hydraulic loader-unloader | |
| CN106948826B (en) | Multifunctional tunnel repairing machine | |
| CN111022089A (en) | Waterproof board platform truck | |
| CN201953311U (en) | All-hydraulic rubber-tyred rock drilling anchoring boring rig | |
| CN109869174A (en) | Track self-shifting formula gib operates trolley | |
| CN211545732U (en) | Automatic simple door machine | |
| CN210258616U (en) | Self-walking crane crawler belt adjusting device | |
| CN202346605U (en) | Trolley for slag conveying crane and slag conveying crane employing trolley | |
| CN206409251U (en) | A kind of double rail type waterproof cloth chassis | |
| CN205445650U (en) | A crawler -type hydraulic support carloader for colliery in pit | |
| CN203769738U (en) | Suspension point movable type pumping unit | |
| CN101117202A (en) | Novel hydraulic crawler crane | |
| CN218400764U (en) | In put and lift by crane type unit support carrier | |
| CN111677534A (en) | A operation car for tunnel inside lining pipeline transportation, dismouting | |
| CN211692516U (en) | Waterproof board platform truck | |
| CN210012521U (en) | Telescopic large-span support leg for crane dragging | |
| CN204384768U (en) | Truck-mounted crane hydraulic control zip mode automatic turning support leg mechanism | |
| CN103482482B (en) | Wireless remote control full-hydraulic drive tyre type gantry crane | |
| CN209143023U (en) | Mechanical automatic travelling device | |
| CN208454324U (en) | Have the Norail Cranes of traveling function | |
| CN208440166U (en) | A kind of flexible gantry frame structure for Multifunctional container carrying implement |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |