CN216613771U - Dolly on grab bucket driving is prevented gnawing rail device - Google Patents
Dolly on grab bucket driving is prevented gnawing rail device Download PDFInfo
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- CN216613771U CN216613771U CN202123167104.6U CN202123167104U CN216613771U CN 216613771 U CN216613771 U CN 216613771U CN 202123167104 U CN202123167104 U CN 202123167104U CN 216613771 U CN216613771 U CN 216613771U
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Abstract
The utility model provides a trolley rail gnawing prevention device on a grab crane, which comprises a trolley body, wherein a plurality of dynamic balancing devices are fixedly arranged above the trolley body; the dynamic balancing apparatus includes: the device comprises an n-type hydraulic pipe, a balance valve, a hydraulic device and a deviation rectifying wheel; the balance valve is arranged in the middle of the n-type hydraulic pipe; two ends of the n-type hydraulic pipe are respectively communicated with the two hydraulic devices; each hydraulic device is fixed on the vehicle body through a support, and each hydraulic device is connected with a deviation rectifying wheel towards the direction of the track; the deviation correcting wheel is positioned below the vehicle body and is used for rolling and jointing with two sides of the track; the utility model has stable structural design and operation, eliminates the rail gnawing phenomenon between wheels and the guide rail of the trolley when the trolley on the grab bucket travelling crane travels on the rail, keeps dynamic balance, is suitable for long-time operation, does not cause damage and deformation of the rail, and effectively ensures the safe operation of equipment and the safety of personnel.
Description
Technical Field
The utility model relates to a trolley rail gnawing prevention device on a grab crane.
Background
The crane has the following problems that the crane deviates and twists during starting and braking and abnormal sound occurs during rail gnawing, and the rail gnawing problem exists all the time and cannot be effectively solved: the service life of the wheel and the rail is shortened by the friction of the wheel set and the rail, the wheel and the rail are in forced contact due to rail gnawing, the mutual abrasion of the wheel and the rail is intensified, and metal peeling of the wheel rim and the side surface of the rail and outward warping deformation of the wheel rim can be caused in serious conditions, so that the damage of the wheel and the rail is accelerated, and the service life is shortened; increasing running resistance to force the running motor and the transmission mechanism to run in overload for a long time, possibly causing the consequence of burning out the motor or twisting off the transmission shaft; thirdly, the crane has large noise and large vibration when working; fourthly, damaging the house beam structure; the crane gnaws the rail and must produce the horizontal lateral force in operation, make the factory building structure bear the additional horizontal load and suffer the damage of different degrees; fifthly, the crane suddenly derails during running, which causes serious equipment and personal casualty accidents; sixth, some mining sites adopt to install the tight pulley additional and prevent gnawing the rail at present, but, long-term fixed deviation of correcting can lead to the track to appear warping the scheduling problem, arouse bigger harm.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects and provide the trolley rail gnawing prevention device on the grab bucket traveling crane.
The utility model adopts the following technical scheme:
a trolley rail gnawing prevention device on a grab crane comprises a trolley body, wherein a plurality of dynamic balancing devices are fixedly arranged above the trolley body; the dynamic balancing apparatus includes: the device comprises an n-type hydraulic pipe, a balance valve, a hydraulic device and a deviation rectifying wheel; the balance valve is arranged in the middle of the n-type hydraulic pipe; two ends of the n-type hydraulic pipe are respectively communicated with the two hydraulic devices; each hydraulic device is fixed on the vehicle body through a support, and each hydraulic device is connected with a deviation rectifying wheel towards the direction of the track; the deviation correcting wheel is positioned below the vehicle body and is used for rolling and jointing with two sides of the track; replace the effect of the rim of the wheel of original automobile body, avoid the rim of wheel and the track to cause the friction, adopt and rectify the wheel and roll with the track both sides and laminate, reach the purpose of guaranteeing the dolly steady operation.
Preferably, the middle of the n-type hydraulic pipe is provided with a mounting bracket; and the dynamic balance devices are fixed above the vehicle body through mounting brackets by bolts.
Preferably, a plurality of said hydraulic means comprise cylinders; the cylinder body is provided with a pressure regulating valve and a pressurizing valve; the cylinder body is provided with a hydraulic rod; the hydraulic device is connected and fixed with the deviation rectifying wheel through a hydraulic rod; when the installation and debugging are started, the pressurizing valve is used for injecting working liquid into the cylinder body, the pressure regulating valve is used for regulating the pressure of the cylinder body, and the cylinder is used after the installation and debugging are finished.
The utility model has the beneficial effects that: this structural design operates stably, when guaranteeing that the dolly on the grab bucket driving a vehicle walks in the track, eliminate the rail gnawing phenomenon between dolly wheel and the guide rail, keep dynamic balance, be fit for long-time operation, can not cause the track to damage, warp, thereby grab bucket driving life has been prolonged, avoided factory building structure to bear additional transverse load and suffered the damage of different degree, the running resistance has still been reduced, its running noise is little, the vibration is little, the dynamic balance of rectifying the wheel, guarantee to rectify when rectifying that the wheel both sides keep dynamic balance to orbital atress, avoid long-term fixed deviation of correcting, and lead to the problem that the track appears warping, effectively guarantee equipment safe operation and personnel safety problem.
Drawings
Fig. 1 is an overall schematic view of the present invention.
Fig. 2 is a side view of the present invention.
Detailed Description
In order to make the purpose and technical solution of the present invention clearer, the present invention is further described with reference to the accompanying drawings and embodiments:
the trolley rail gnawing prevention device on the grab crane shown in fig. 1-2 comprises a trolley body 1, wherein a plurality of dynamic balancing devices are fixedly arranged above the trolley body; the dynamic balancing apparatus includes: the device comprises an n-type hydraulic pipe 2, a balance valve 3, a hydraulic device 4 and a deviation rectifying wheel 5; the balance valve 3 is arranged in the middle of the n-type hydraulic pipe 2; two ends of the n-type hydraulic pipe 2 are respectively communicated with two hydraulic devices 4; each hydraulic device 4 is fixed on the vehicle body through a support 12, and each hydraulic device 4 is connected with a deviation rectifying wheel 5 towards the track direction; the deviation rectifying wheels 5 are positioned below the vehicle body 1 and are used for rolling and jointing with two sides of the track 6; replace the effect of the rim of the wheel 11 of original automobile body 1, avoid the rim of wheel 11 to cause the friction with the track, adopt and rectify wheel 5 and 6 both sides of track roll laminating, reach the purpose of guaranteeing the dolly steady operation.
Preferably, the middle of the n-type hydraulic pipe 2 is provided with a mounting bracket 21; and a plurality of dynamic balance devices are fixed above the vehicle body through mounting brackets 21 by bolts.
Preferably, several of said hydraulic means 4 comprise a cylinder 41; the cylinder body is provided with a pressure regulating valve 42 and a pressurizing valve 43; the cylinder 41 is provided with a hydraulic rod 44; the hydraulic device is connected and fixed with the deviation rectifying wheel 5 through a hydraulic rod 44; in order to achieve the purpose of rolling and attaching the deviation rectifying wheel 5 and the two sides of the track 6, a bearing (not shown in the figure) is installed in the center of the deviation rectifying wheel 5, and the hydraulic rod 44 is connected with the deviation rectifying wheel through the bearing, which is a conventional technology and is not described in detail herein.
When the installation and debugging are started, the pressure valve is used for injecting working liquid into the cylinder body, the pressure regulating valve is used for regulating the pressure of the cylinder body, the installation and debugging can be started to use after the installation and debugging are finished, and the hydraulic device is regularly checked and debugged during long-term use.
The working principle of the utility model is as follows:
working liquid is injected through the pressurizing valve, and the internal pressure is adjusted through the pressure adjusting valve, so that early-stage debugging and installation are completed; when a trolley on the grab bucket travelling crane travels on the track, the deviation correction wheels are in rolling fit with the track, so that the phenomenon that the edges of the wheels of the trolley rub with the track to gnaw the track is avoided, and the deviation of the trolley is also prevented; meanwhile, when the trolley runs on the track, the balance valve adjusts the pressure balance on two sides, the pressure of each pair of the deviation correcting wheels is kept in dynamic balance, the damage and deformation of the track caused by the overlarge stress on one side of the track are avoided, the safe running of equipment is effectively guaranteed, and further the safety of personnel is guaranteed.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "connected", and the like are to be construed broadly, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The components adopted by the utility model are all universal standard components or components known by the technicians in the field, and the structure and the principle of the components are known by the technicians through technical manuals or conventional experimental methods, such as the installation, the use and the debugging of a pressure regulating valve and a pressurizing valve of a hydraulic system, the installation and the principle of a balance valve and the like, and the utility model is not described in detail.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the technical scope of the present invention, so that any minor modifications, equivalent changes and modifications made to the above embodiments according to the technical spirit of the present invention still belong to the protection scope of the present invention.
Claims (3)
1. The utility model provides a dolly on grab bucket driving prevents gnawing rail device, includes the automobile body, its characterized in that:
a plurality of dynamic balancing devices are fixedly arranged above the vehicle body;
the dynamic balancing apparatus includes: the device comprises an n-type hydraulic pipe, a balance valve, a hydraulic device and a deviation rectifying wheel;
the balance valve is arranged in the middle of the n-type hydraulic pipe;
two ends of the n-type hydraulic pipe are respectively communicated with the two hydraulic devices;
each hydraulic device is fixed on the vehicle body through a support, and each hydraulic device is connected with a deviation rectifying wheel towards the direction of the track;
the deviation correcting wheel is positioned below the vehicle body and used for being in rolling fit with two sides of the track.
2. The trolley rail gnawing prevention device on the grab crane according to claim 1, characterized in that:
the middle of the n-shaped hydraulic pipe is provided with a mounting bracket;
and the dynamic balance devices are fixed above the vehicle body through mounting brackets by bolts.
3. The trolley rail gnawing prevention device on the grab crane according to claim 1, characterized in that:
the plurality of hydraulic devices comprise cylinder bodies;
the cylinder body is provided with a pressure regulating valve and a pressurizing valve;
the cylinder body is provided with a hydraulic rod;
the hydraulic device is connected and fixed with the deviation rectifying wheel through a hydraulic rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123167104.6U CN216613771U (en) | 2021-12-16 | 2021-12-16 | Dolly on grab bucket driving is prevented gnawing rail device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123167104.6U CN216613771U (en) | 2021-12-16 | 2021-12-16 | Dolly on grab bucket driving is prevented gnawing rail device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216613771U true CN216613771U (en) | 2022-05-27 |
Family
ID=81703480
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123167104.6U Active CN216613771U (en) | 2021-12-16 | 2021-12-16 | Dolly on grab bucket driving is prevented gnawing rail device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216613771U (en) |
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2021
- 2021-12-16 CN CN202123167104.6U patent/CN216613771U/en active Active
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