CN213445908U - Guiding mechanism and telescopic crawler frame type crawler crane - Google Patents
Guiding mechanism and telescopic crawler frame type crawler crane Download PDFInfo
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- CN213445908U CN213445908U CN202022538332.9U CN202022538332U CN213445908U CN 213445908 U CN213445908 U CN 213445908U CN 202022538332 U CN202022538332 U CN 202022538332U CN 213445908 U CN213445908 U CN 213445908U
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Abstract
The utility model provides a guiding mechanism and flexible crawler frame formula crawler crane relates to crawler crane technical field. The guiding mechanism is used for being fixed on the side of the telescopic beam of the crawler crane in sliding contact with the crawler frame, and comprises: the rolling part is connected to the mounting frame in a rolling mode, and at least part of the outer peripheral surface of the rolling part protrudes out of the top surface of the mounting frame; the mounting bracket is used for being connected with the lateral wall of flexible roof beam, the rolling member is used for rolling contact with the track frame.
Description
Technical Field
The utility model belongs to the technical field of the crawler crane technique and specifically relates to a guiding mechanism and flexible crawler frame formula crawler crane are related to.
Background
The telescopic crawler frame type crawler crane comprises a base and a crawler frame, wherein the crawler frame can be telescopically slid relative to the base. The base is provided with a telescopic beam, and the track frame is provided with a square groove which is sleeved with the telescopic beam and can slide relatively.
In the process of the expansion of the crawler frame, the expansion beam and the side surface of the square groove of the crawler frame slide and rub to cause the problem of clamping stagnation, so that the sliding process of the crawler frame of the vehicle is not smooth.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a guiding mechanism and flexible track frame formula crawler crane to alleviate current crawler crane's flexible roof beam and the technical problem that the track frame slip process is not smooth and easy.
In a first aspect, the embodiment of the present invention provides a guiding mechanism, guiding mechanism is used for fixing on crawler crane's flexible roof beam and track frame sliding contact's side, guiding mechanism includes: the rolling part is connected to the mounting frame in a rolling mode, and at least part of the outer peripheral surface of the rolling part protrudes out of the top surface of the mounting frame; the mounting bracket is used for being connected with the lateral wall of flexible roof beam, the rolling member is used for rolling contact with the track frame.
Further, the rolling members are plural in number.
Furthermore, a rotating shaft is arranged on the mounting frame, and the rolling piece is a shaft sleeve sleeved on the rotating shaft.
Further, the mounting bracket is plate-shaped, a mounting groove which is sunken from the top surface to the bottom surface is formed in the mounting bracket, and the rotating shaft is mounted between two side walls of the mounting groove.
Furthermore, the number of the mounting grooves is multiple, and rolling parts are mounted in each mounting groove.
Furthermore, a first rotating shaft hole is formed in the inner wall of one side of the mounting groove, a second rotating shaft hole extending outwards in the axial direction is formed in the inner wall of the other side of the mounting groove, the second rotating shaft hole is communicated with the outer wall of one side of the mounting frame, a limiting groove which is recessed inwards in the axial direction is formed in the outer wall of the one side of the mounting groove, a limiting portion corresponding to the limiting groove is arranged at one end of the rotating shaft, and the limiting groove is matched with the limiting portion and used for preventing the rotating shaft from rotating relative to the mounting frame;
the guide mechanism further comprises a sealing plate, and the sealing plate is connected with the mounting frame and used for sealing the limiting groove.
Further, the closing plate is connected with the mounting frame through bolts, and gaskets are arranged between the bolts and the closing plate.
Further, at least one end of the mounting frame is provided with a guide part along the sliding direction of the telescopic beam and the square groove;
the guide part comprises a guide inclined plane, the guide inclined plane is located on the top surface of the mounting frame, the end part of the mounting frame is arranged towards the middle position, and the distance between the guide inclined plane and the bottom surface of the mounting frame is gradually increased.
Further, the rolling member is a pulley or a bearing.
In a second aspect, an embodiment of the present invention provides a pair of crawler frame type crawler crane, the crawler frame type crawler crane includes the above-mentioned guiding mechanism.
The embodiment of the utility model provides a guiding mechanism is used for fixing on crawler crane's flexible roof beam and track frame sliding contact's side, guiding mechanism includes: the rolling part is connected to the mounting frame in a rolling mode, and at least part of the outer peripheral surface of the rolling part protrudes out of the top surface of the mounting frame; the mounting bracket is used for being connected with the lateral wall of flexible roof beam, the rolling member is used for rolling contact with the track frame. The guide mechanism is arranged on the side wall of the telescopic beam, so that the rolling piece can be in rolling contact with the inner wall of the square groove of the crawler frame, the clamping stagnation caused by friction between the telescopic beam and the outer side surface or welding leg of the crawler frame is avoided, the crawler frame is in a retraction state during transportation of the crawler crane, and the sliding resistance of the crawler frame during retraction is reduced; when the crawler frame stretches out during working, sliding resistance when the crawler frame is pushed out is reduced, and the working load of the telescopic oil cylinder is reduced.
In a second aspect, an embodiment of the present invention provides a crawler frame type crawler crane including the above-mentioned guiding mechanism. Because the embodiment of the utility model provides a flexible crawler frame formula crawler crane has quoted foretell guiding mechanism, so, the utility model provides a flexible crawler frame formula crawler crane also possesses guiding mechanism's advantage.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic view of a guide mechanism provided in an embodiment of the present invention;
fig. 2 is a schematic view of a mounting bracket of a guide mechanism according to an embodiment of the present invention;
fig. 3 is a schematic view of a rotating shaft of a guiding mechanism according to an embodiment of the present invention;
fig. 4 is a schematic view of a crawler frame type crawler crane according to an embodiment of the present invention;
fig. 5 is a partially enlarged view of a position a in fig. 4.
Icon: 100-a mounting frame; 110-a first spindle hole; 120-a second spindle bore; 130-a limiting groove; 140-a rotating shaft; 141-a limiting part; 150-a guide ramp; 200-shaft sleeve; 300-sealing plate; 410-a telescoping beam; 420-a track frame; 500-a guide mechanism.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1 to 5, a guiding mechanism 500 provided in an embodiment of the present invention is configured to be fixed on a side of the telescopic beam 410 in sliding contact with the track frame 420, where the guiding mechanism 500 includes: the mounting frame 100 and the rolling members, the rolling members are connected to the mounting frame 100 in a rolling manner, and the outer peripheral surfaces of the rolling members at least partially protrude out of the top surface of the mounting frame 100; the mounting bracket 100 is used for being connected with the side wall of the telescopic beam 410, and the rolling members can be used for being in rolling contact with the inner wall of the square groove of the track frame 420. By installing the guide mechanism 500 on the side wall of the telescopic beam 410, the rolling members can be in rolling contact with the inner wall of the square groove of the crawler frame 420, so that the telescopic beam 410 is prevented from being clamped by friction with the outer side surface or welding leg of the crawler frame 420, the crawler frame 420 is in a retraction state during transportation of the crawler crane, and the sliding resistance of the crawler frame 420 during retraction is reduced; when the crawler frame 420 is in work, the sliding resistance when the crawler frame 420 is pushed out is reduced, and the work load of the telescopic oil cylinder is reduced.
Along the length direction of the mounting bracket 100, that is, along the sliding direction of the telescopic beam 410 and the square groove, the number of the rolling members is multiple, and the multiple rolling members not only can increase the contact area between the guide mechanism 500 and the track frame 420, but also can reduce the pressure of the track frame 420 on each rolling member, thereby prolonging the service life of the rolling members.
The type of rolling elements may be various, such as common pulleys or bearings, etc.
In this embodiment, the mounting bracket 100 is provided with a rotating shaft 140, and the rolling member is a shaft sleeve 200 sleeved on the rotating shaft 140.
Both ends of the rotation shaft 140 are fixed to the mounting block 100, the rotation shaft 140 is fixed to the mounting block 100, the bushing 200 rotates relative to the rotation shaft 140, the circumferential outer wall of the bushing 200 abuts against the inner wall of the square groove of the track frame 420, and the bushing 200 is in rolling contact with the track frame 420 when the track frame 420 and the telescopic beam 410 move relatively, so that friction is reduced.
The mounting bracket 100 is plate-shaped, a mounting groove recessed from the top surface to the bottom surface of the mounting bracket 100 is provided, and the rotating shaft 140 is mounted between two side walls of the mounting groove.
The distance between the track frame 420 and the telescopic beam 410 is small, the plate-shaped mounting frame 100 is easier to mount between the track frame 420 and the telescopic beam 410, the mounting groove can reduce the mass of the plate-shaped mounting frame 100, and the weight and cost of the whole vehicle can be reduced.
The quantity of mounting groove is a plurality of, all installs the rolling member in every mounting groove.
In this embodiment, the number of the mounting grooves is two, and the number of the rolling elements in each mounting groove is two, so that the number of the rotating shaft 140 and the sleeve 200 in the device is four.
The material of the mounting bracket 100 may be a material with good wear resistance, and the rotating shaft 140 and the shaft sleeve 200 are made of a high-strength material.
A first rotating shaft hole 110 is formed in the inner wall of one side of the mounting groove, a second rotating shaft hole 120 extending outwards in the axial direction is formed in the inner wall of the other side of the mounting groove, the second rotating shaft hole 120 is communicated with the outer wall of one side of the mounting frame 100, a limiting groove 130 recessed inwards in the axial direction is formed in the outer wall of the one side of the mounting frame, a limiting portion 141 corresponding to the limiting groove 130 is formed in one end of the rotating shaft 140, and the limiting groove 130 is matched with the limiting portion 141 and used for preventing the rotating shaft 140 from rotating relative to the mounting frame 100; the guide mechanism 500 further includes a sealing plate 300, and the sealing plate 300 is connected to the mounting bracket 100 and is used for sealing the limiting groove 130.
The shaft 140 and the mounting bracket 100 are detachable, so that the shaft 140, the shaft sleeve 200 and the mounting bracket 100 can be replaced and repaired conveniently.
In this embodiment, the main body of the rotating shaft 140 is a cylindrical rod-shaped structure, and one end of the rotating shaft 140 is provided with a limiting portion 141, the shape of the limiting portion 141 can be a non-circular shape such as a waist shape or a rectangle, one end of the rotating shaft 140 without the limiting portion 141 sequentially passes through the second rotating shaft hole 120, the shaft sleeve 200 is inserted into the first rotating shaft hole 110, the limiting portion 141 is located in the limiting groove 130, the limiting portion 141 is clamped in the limiting groove 130, thereby preventing the rotating shaft 140 from rotating, the rotating shaft 140 is installed and then the limiting groove 130 is sealed by the sealing plate 300, and the sealing plate 300 can prevent the rotating shaft 140 from sliding axially.
The sealing plate 300 is connected to the mounting bracket 100 by bolts, and a gasket is provided between the bolts and the sealing plate 300.
Through holes are respectively formed at both ends of the sealing plate 300, the sealing plate 300 can be fixed to the mounting frame 100 by bolts, and gaskets can be placed between the bolts and the sealing plate 300 and can disperse the pressure of the bolts on the sealed plate 300.
At least one end of the mounting bracket 100 is provided with a guide part along the sliding direction of the telescopic beam 410 and the square groove; the guide portion includes a guide slope 150, the guide slope 150 is located on the top surface of the mounting block 100, and a distance between the guide slope 150 and the bottom surface of the mounting block 100 is gradually increased along a direction from the end portion of the mounting block 100 to the middle position.
The guide slope 150 is disposed on the top surface of the mounting block 100, when the track frame 420 retracts, the track frame 420 and the telescopic beam 410 approach each other gradually, the guide slope 150 first contacts the track frame 420, and the guide slope 150 may correct the movement direction of the track frame 420, so that the guide mechanism 500 may be smoothly inserted into the square groove of the track frame 420.
The guide slopes 150 may be disposed at both ends of the guide mechanism 500, so that the guide mechanism 500 has no front and back ends and is more flexible to mount.
The embodiment of the utility model provides a flexible crawler frame formula crawler crane includes foretell guiding mechanism 500. Because the embodiment of the utility model provides a flexible crawler frame formula crawler crane has quoted foretell guiding mechanism 500, so, the utility model provides a flexible crawler frame formula crawler crane also possesses guiding mechanism 500's advantage.
The guide mechanism 500 is installed on the telescopic girder 410 of the crane, wherein the guide mechanism 500 on the telescopic girder 410 at the front end of the crane is located at the front surface of the telescopic girder 410, and the guide mechanism 500 on the telescopic girder 410 at the rear end of the crane is located at the rear surface of the telescopic girder 410.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (10)
1. A guide mechanism (500) for securing to a side of a crawler crane where a telescoping beam (410) is in sliding contact with a crawler frame (420), the guide mechanism (500) comprising: the roller mounting structure comprises a mounting frame (100) and a rolling piece, wherein the rolling piece is connected to the mounting frame (100) in a rolling way, and the outer peripheral surface of the rolling piece at least partially protrudes out of the top surface of the mounting frame (100); the mounting frame (100) is used for being connected with the side wall of the telescopic beam (410), and the rolling piece is used for being in rolling contact with the track frame (420).
2. The guide mechanism of claim 1, wherein the number of rolling members is plural.
3. The guiding mechanism according to claim 1, wherein a rotating shaft (140) is disposed on the mounting frame (100), and the rolling member is a shaft sleeve (200) sleeved on the rotating shaft (140).
4. The guide mechanism according to claim 3, wherein the mounting bracket (100) has a plate shape, the mounting bracket (100) is provided with a mounting groove recessed from a top surface thereof to a bottom surface thereof, and the rotating shaft (140) is mounted between both side walls of the mounting groove.
5. The guide mechanism of claim 4, wherein the number of the mounting slots is plural, and each mounting slot is mounted with a rolling member therein.
6. The guide mechanism according to claim 4, wherein a first rotating shaft hole (110) is formed in one side inner wall of the mounting groove, a second rotating shaft hole (120) extending outwards in the axial direction is formed in the other side inner wall of the mounting groove, the second rotating shaft hole (120) is communicated with one side outer wall of the mounting frame (100), a limiting groove (130) recessed inwards in the axial direction is formed in the side outer wall, a limiting portion (141) corresponding to the limiting groove (130) is formed in one end of the rotating shaft (140), and the limiting groove (130) is matched with the limiting portion (141) and used for preventing the rotating shaft (140) from rotating relative to the mounting frame (100);
the guide mechanism (500) further comprises a sealing plate (300), and the sealing plate (300) is connected with the mounting frame (100) and used for sealing the limiting groove (130).
7. The guide mechanism as claimed in claim 6, wherein the sealing plate (300) is bolted to the mounting bracket (100) with a spacer between the bolt and the sealing plate (300).
8. The guiding mechanism according to claim 1, wherein at least one end of the mounting bracket (100) is provided with a guiding portion along the sliding direction of the telescopic beam (410) and the square groove;
the guide part comprises a guide inclined plane (150), the guide inclined plane (150) is located on the top surface of the mounting rack (100), and the distance between the guide inclined plane (150) and the bottom surface of the mounting rack (100) is gradually increased along the direction from the end part of the mounting rack (100) to the middle position.
9. The guide mechanism of claim 1, wherein the rolling elements are pulleys or bearings.
10. A crawler frame crawler crane, comprising a guiding mechanism (500) according to any one of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022538332.9U CN213445908U (en) | 2020-11-05 | 2020-11-05 | Guiding mechanism and telescopic crawler frame type crawler crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022538332.9U CN213445908U (en) | 2020-11-05 | 2020-11-05 | Guiding mechanism and telescopic crawler frame type crawler crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213445908U true CN213445908U (en) | 2021-06-15 |
Family
ID=76299297
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022538332.9U Active CN213445908U (en) | 2020-11-05 | 2020-11-05 | Guiding mechanism and telescopic crawler frame type crawler crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213445908U (en) |
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2020
- 2020-11-05 CN CN202022538332.9U patent/CN213445908U/en active Active
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