CN108706454B - Guide wheel assembly and crane - Google Patents
Guide wheel assembly and crane Download PDFInfo
- Publication number
- CN108706454B CN108706454B CN201810960691.8A CN201810960691A CN108706454B CN 108706454 B CN108706454 B CN 108706454B CN 201810960691 A CN201810960691 A CN 201810960691A CN 108706454 B CN108706454 B CN 108706454B
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- China
- Prior art keywords
- guide
- guide wheel
- guide shaft
- assembly
- rotating
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C9/00—Travelling gear incorporated in or fitted to trolleys or cranes
- B66C9/16—Travelling gear incorporated in or fitted to trolleys or cranes with means for maintaining alignment between wheels and track
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C9/00—Travelling gear incorporated in or fitted to trolleys or cranes
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Jib Cranes (AREA)
- Carriers, Traveling Bodies, And Overhead Traveling Cranes (AREA)
Abstract
The invention discloses a guide wheel assembly and a crane, and belongs to the technical field of cranes. The guide wheel assembly comprises a mounting assembly, a guide shaft, a guide wheel and an angle adjusting assembly; the installation component is used for being connected with the automobile body that can follow the guide rail and goes, and the upper end and the installation component of guiding axle rotate to be connected, and the leading wheel rotationally overlaps to locate on the guiding axle, and angle adjustment subassembly sets up on the installation component, and angle adjustment subassembly is used for driving the guiding axle and rotates for installation component to adjust the contained angle between guiding axle and automobile body and the guide rail. According to the guide wheel assembly and the crane, the guide shaft can be adjusted according to the inclination angle of the wallboard of the vehicle body, so that the axis of the guide shaft is approximately parallel to the edge of the lower flange plate, good contact with the edge of the lower flange plate during guide of the guide wheel is ensured, the stress condition of the guide wheel is improved, the abrasion of the guide wheel is relieved, and the service life and safety of the device are prolonged.
Description
Technical Field
The invention relates to the technical field of cranes, in particular to a guide wheel assembly and a crane.
Background
The guide wheel is a common device in the crane and is used for standardizing the movement direction of the crane and avoiding rail biting. As shown in fig. 1 and 2, in general, the wheel 2 and the guide wheel 3 are mounted on both side wall panels 1 of a vehicle body, the side wall panels 1 are coupled by a connecting shaft 4, and the whole device is suspended on a guide rail 5 by the wheel 2 and runs on the guide rail 5.
Ideally, as shown in fig. 2 and 3, the wall plate 1 is in a vertical state, and the axis of the guide wheel 3 is parallel to the longitudinal edge of the lower flange plate of the guide rail 5 and is spaced apart from the lower flange plate by a certain distance L1. When the whole device is deviated, the guide wheel 3 is completely contacted with the longitudinal edge of the lower flange plate (the contact length is the thickness d1 of the longitudinal edge of the lower flange plate) and rotates to play a guiding role. In actual use, however, the wall panel 1 does not remain upright, but rather is inclined inwardly as shown in fig. 4 by an angle α. In this way, the guide wheel 3 only contacts with one edge of the lower wing plate edge of the guide rail 5 when in guiding action (the inclination angle is only shown in fig. 4). This accelerates the wear and damage of the guide wheel 3, worsens the stress situation of the guide wheel 3, and affects the safe operation of the whole device.
Disclosure of Invention
The invention aims to provide a guide wheel assembly and a crane, which can improve the stress condition of a guide wheel and are safer to operate.
In order to achieve the purpose, on one hand, the invention adopts the following technical scheme:
a guide wheel assembly comprising:
a mounting assembly for connection with a vehicle body capable of traveling along a guideway;
the upper end of the guide shaft is rotationally connected with the mounting assembly;
the guide wheel is rotatably sleeved on the guide shaft; and
the angle adjusting component is arranged on the installation component and is used for driving the guide shaft to rotate relative to the installation component so as to adjust the included angle between the guide shaft and the vehicle body and between the guide shaft and the guide rail.
Further, the upper end of the guide shaft is provided with a rotating ball, the mounting assembly is provided with a spherical groove, and the rotating ball can be rotatably accommodated in the spherical groove.
Further, the mounting assembly comprises an upper mounting piece, and the upper end of the guide shaft is rotatably connected with the upper mounting piece; the upper mounting piece comprises two clamping blocks which are oppositely arranged, the rotating ball comprises two hemispheres which are oppositely arranged, the hemispheres are connected to the guide shaft, and the clamping blocks are connected with each other and are clamped on two sides of the hemispheres.
Further, the two hemispheres are connected with the guide shaft through pins.
Further, the angle adjustment assembly includes:
the rotating piece is sleeved on the guide shaft in a vertically sliding manner;
the screw rod is arranged on the mounting assembly and can rotate relative to the mounting assembly; and
the driving piece is sleeved on the screw and can be in threaded transmission with the screw, and the driving piece is in rotary connection with the rotating piece.
Further, the screw and the driving member are disposed on both sides of the rotating member.
Further, one of the rotating member and the driving member is provided with a rotating shaft, and the other one is provided with a rotating cavity for inserting the rotating shaft.
Further, the installation component includes lower installed part, the both ends of screw rod rotationally insert locate on the lower installed part, at least one end of screw rod is provided with the regulation hole that the transversal face was personally submitted regular hexagon.
Further, a baffle plate positioned outside the end part of the screw rod is arranged on the lower mounting piece, and a first through hole communicated with the adjusting hole is arranged on the baffle plate.
On the other hand, the invention adopts the following technical scheme:
a crane comprising a rail, a vehicle body operable along the rail and a guide wheel assembly as claimed in any one of the preceding claims.
The beneficial effects of the invention are as follows:
according to the guide wheel assembly and the crane, the guide shaft can be adjusted according to the inclination angle of the wallboard of the vehicle body, so that the axis of the guide shaft is approximately parallel to the edge of the lower flange plate, good contact with the edge of the lower flange plate during guide of the guide wheel is ensured, the stress condition of the guide wheel is improved, the abrasion of the guide wheel is relieved, the service life of the device is prolonged, and the safety is enhanced.
Drawings
FIG. 1 is a front view of a prior art crane;
FIG. 2 is a side view of FIG. 1;
FIG. 3 is a schematic view of the guide wheel in operation with the wall panel in an upright position;
FIG. 4 is a schematic view of the guide wheel in operation with the wall panel tilted inwardly;
FIG. 5 is a schematic view of the guide wheel assembly provided in this embodiment when the wall panel is in an upright position;
FIG. 6 is a schematic view of the guide wheel assembly provided in this embodiment as the wall panel is tilted inward;
FIG. 7 is an exploded view of the guide wheel assembly provided in this embodiment;
FIG. 8 is a schematic view of the structure of the rotary member provided in this embodiment;
FIG. 9 is a schematic view of the structure of the driving member according to the present embodiment;
fig. 10 is a schematic structural view of the screw provided in this embodiment.
In the figure:
1. a wallboard; 2. a wheel; 3. a guide wheel; 4. a connecting shaft; 5. a guide rail; 6. a mounting assembly; 7. a guide shaft; 8. an angle adjustment assembly; 9. a rotating ball; 10. a spherical groove; 11. a pin; 12. a baffle; 13. a screw;
61. an upper mounting member; 62. a lower mounting member; 611. clamping blocks;
81. a rotating member; 82. a screw; 83. a driving member; 811. a second through hole; 812. a rotating shaft; 821. an external thread; 822. an adjustment aperture; 831. a threaded hole; 832. a rotating chamber;
91. a hemisphere;
121. a first through hole.
Detailed Description
The technical scheme of the invention is further described below by the specific embodiments with reference to the accompanying drawings.
The present embodiments provide a crane that includes a rail, a body capable of running along the rail, and a guide wheel assembly. The crane is preferably, but not limited to, a bridge crane or a gantry crane.
As shown in fig. 5 and 6, the guide wheel assembly provided in this embodiment includes a mounting assembly 6, a guide shaft 7, a guide wheel 3, and an angle adjusting assembly 8. Wherein the mounting assembly 6 is intended for connection with a vehicle body capable of travelling along the guide rail 5, in particular the mounting assembly 6 is connected with a wall panel of the vehicle body. The upper end of the guide shaft 7 is rotationally connected with the installation component 6, the guide wheel 3 is rotationally sleeved on the guide shaft 7, the angle adjusting component 8 is arranged on the installation component 6, and the angle adjusting component 8 is used for driving the guide shaft 7 to rotate relative to the installation component 6 so as to adjust the included angle between the guide shaft 7 and the vehicle body and between the guide shaft 7 and the guide rail 5. Specifically, the angle adjusting component 8 is used for driving the guide shaft 7 to rotate relative to the mounting component 6 to adjust the included angle between the guide shaft 7 and the wallboard of the vehicle body and the included angle between the guide shaft 7 and the edge of the lower flange plate of the guide rail 5.
The structure of the mounting unit 6 is not limited, and the guide shaft 7 and the guide wheel 3 may be mounted on the vehicle body. For easy installation, in this embodiment, the installation assembly 6 includes an upper installation member 61 and a lower installation member 62 respectively connected to the vehicle body, the upper end of the guide shaft 7 is rotatably connected to the upper installation member 61, and the angle adjusting assembly 8 is disposed on the lower installation member 62.
In this embodiment, as shown in fig. 6, when the inclination angle of the lower end of the wallboard of the vehicle body to the inside is β, the guide shaft 7 can be adjusted according to the inclination angle of the wallboard of the vehicle body, so that the axis of the guide shaft 7 is kept approximately parallel to the edge of the lower flange plate of the guide rail 5, and good contact with the edge of the lower flange plate of the guide rail 5 when the guide wheel 3 guides is ensured, thereby improving the stress condition of the guide wheel 3, relieving the abrasion of the guide wheel 3, prolonging the service life of the device and enhancing the safety.
As shown in fig. 5 to 7, the upper end of the guide shaft 7 is provided with a rotation ball 9, the mounting assembly 6 is provided with a spherical recess 10, and the rotation ball 9 is rotatably received in the spherical recess 10 to improve flexibility when the guide shaft 7 rotates. For easy installation, the upper mounting member 61 includes two opposite clamping blocks 611, the rotary ball 9 includes two opposite hemispheres 91, the hemispheres 91 are connected to the guide shaft 7, and the clamping blocks 611 are connected to each other and clamped on both sides of the hemispheres 91. The connection between the two hemispheres 91 and the guide shaft 7 is preferably, but not exclusively, by means of pins 11, which ensure that the turning ball 9 turns in the spherical recess 10. The two clamping blocks 611 are preferably but not limited to connected by a screw 13, for example, the two clamping blocks can also be connected in a detachable connection mode such as clamping connection. In other embodiments, the number of the clamp blocks 2 may be two or more, and a plurality of clamp blocks may be clamped to the outer side of the turning ball 9. The connection between the upper end of the guide shaft 7 and the mounting unit 6 is not limited to the above, but in other embodiments, the upper end of the guide shaft 7 may be directly hinged to the mounting unit 6 through a rotation shaft provided in the horizontal direction.
With continued reference to fig. 7, the angle adjusting assembly 8 includes a rotating member 81, and a screw 82 and a driving member 83 are disposed on both sides of the rotating member 81. The rotating member 81 is preferably located below the guide wheel 3. It will be appreciated that in order to be able to adjust the angle of the guide wheel 3, the screw 82 should lie in a plane perpendicular to the direction of travel of the vehicle body. As shown in fig. 8, the rotating member 81 is provided with a second through hole 811 through which the guide shaft 7 passes, and the rotating member 81 is vertically slidably fitted over the guide shaft 7 through the second through hole 811. The screw 82 is disposed on the mounting assembly 6 and can rotate relative to the mounting assembly 6, specifically, as shown in fig. 7 and 9, the screw 82 is disposed on the lower mounting member 62, an external thread is disposed on the screw 82, a threaded hole 831 through which the screw 82 passes is disposed on the driving member 83, an internal thread matched with the external thread is disposed on the threaded hole 831, a screw transmission can be performed between the screw 82 and the driving member 83 (i.e., the driving member 83 can move along the screw 82 when the screw 82 rotates), and the driving member 83 is rotationally connected with the rotating member 81. The angle adjusting component 8 provided by the specific embodiment is simple in structure and reliable in transmission. It will be appreciated that in other embodiments, the screw 82 and the driver 83 may be provided on only one side of the driver 83.
When the screw 82 rotates, the screw 82 drives the driving member 83 to move along the extending direction of the screw 82, and the driving member 83 drives the rotating member 81 to move along the extending direction of the screw 82, and meanwhile, the rotating member 81 rotates relative to the driving member 83, so as to drive the upper end of the guide shaft 7 to rotate, so as to adjust the included angle between the guide shaft 7 and the vehicle body and the guide rail 5, and enable the guide shaft 7 to be in a state of being approximately parallel to the edge of the lower flange plate. The guide shaft 7 can be pre-adjusted according to the inclination of the wall panel before the crane is used.
In order to facilitate installation, the two sides of the rotating member 81 are respectively provided with a rotating shaft 812, the two driving members 83 are respectively provided with a rotating cavity 832 matched with the rotating shaft 812, and the rotating shaft 812 can be rotatably arranged in the rotating cavity 832. In assembly, the rotating member 81 is first sleeved on the guide shaft 7, then the two driving members 83 are connected to both sides of the rotating member 81, and then the screw 82 is inserted through the lower mounting member 62 and the driving members 83. It will be appreciated that shaft 812, after insertion into rotational cavity 832, is unable to interfere with screw 82. In other embodiments, the positions of the rotating shaft 812 and the rotating chamber 832 may be exchanged, that is, the rotating shaft 812 may be disposed on the driving member 83 and the rotating chamber 832 may be disposed on the rotating member 81.
The screw 82 may be driven to rotate by: as shown in fig. 10, both ends of the screw 82 are rotatably inserted into the lower mounting member 62, and at least one end of the screw 82 is provided with an adjustment hole 822 having a regular hexagonal cross section. The screw 82 is driven to rotate by the adjustment of the socket head wrench. In order to avoid the screw 82 from shaking along the extending direction thereof, a baffle plate 12 positioned outside the end portion of the screw 82 is provided on the lower mounting member 62, a first through hole 121 penetrating the adjusting hole 822 is provided on the baffle plate 12, and the diameter of the first through hole 121 is equal to or slightly larger than the diameter of the adjusting hole so as to ensure that the socket head wrench can be allowed to enter the adjusting hole 822 without the screw 82 penetrating out of the first through hole 121. Specifically, the baffle plate 12 may be provided only on the outer side of one end of the screw 82, and the lower mount 62 may be provided with a stepped hole capable of restricting the other end of the screw 82 from coming off; of course, the baffle plates 12 may be provided outside both ends of the screw 82.
In other embodiments, the screw 82 may be connected to a motor or other power device, and the power device may drive the screw 82 to rotate instead of providing the adjustment hole 822 in the screw 82.
The structure of the angle adjusting unit 8 is not limited to the above, and the guide shaft 7 may be driven to rotate. For example, in other embodiments, the power device may be connected to the guide shaft 7; specifically, the body and the driving shaft of the power device can be respectively connected with the mounting assembly 6 and the guide shaft 7 in a rotating way; or the drive shaft of the power unit is connected to the guide shaft 7 via a link or the like.
The technical principle of the present invention is described above in connection with the specific embodiments. The description is made for the purpose of illustrating the general principles of the invention and should not be taken in any way as limiting the scope of the invention. Other embodiments of the invention will be apparent to those skilled in the art from consideration of this specification without undue burden.
Claims (6)
1. A guide wheel assembly, comprising:
a mounting assembly (6) for connection to a vehicle body that is capable of running along a guide rail (5);
the upper end of the guide shaft (7) is rotationally connected with the mounting assembly (6);
the guide wheel (3) is rotatably sleeved on the guide shaft (7); and
the angle adjusting assembly (8) is arranged on the mounting assembly (6) and is used for driving the guide shaft (7) to rotate relative to the mounting assembly (6) so as to adjust the included angle between the guide shaft (7) and the vehicle body and between the guide shaft (7) and the guide rail (5);
the upper end of the guide shaft (7) is provided with a rotating ball (9), the mounting assembly (6) is provided with a spherical groove (10), and the rotating ball (9) can be rotatably accommodated in the spherical groove (10);
the angle adjustment assembly (8) comprises:
a rotating member (81) which is sleeved on the guide shaft (7) in a vertically sliding manner;
a screw (82) provided on the mounting assembly (6) and rotatable with respect to the mounting assembly (6); and
the driving piece (83) is sleeved on the screw rod (82) and can be in threaded transmission with the screw rod (82), and the driving piece (83) is rotationally connected with the rotating piece (81);
both sides of the rotating piece (81) are provided with the screw rod (82) and the driving piece (83);
the mounting assembly (6) comprises a lower mounting piece (62), two ends of the screw rod (82) are rotatably inserted into the lower mounting piece (62), and at least one end of the screw rod (82) is provided with an adjusting hole (822) with a regular hexagon cross section.
2. The guide wheel assembly according to claim 1, wherein the mounting assembly (6) comprises an upper mounting (61); the upper mounting piece (61) comprises two clamping blocks (611) which are oppositely arranged, the rotating ball (9) comprises two hemispheres (91) which are oppositely arranged, the two hemispheres (91) are connected to the guide shaft (7), and the two clamping blocks (611) are connected with each other and are clamped on two sides of the hemispheres (91).
3. A guide wheel assembly according to claim 2, characterized in that the two hemispheres (91) and the guide shaft (7) are connected by means of a pin (11).
4. The guide wheel assembly according to claim 1, wherein one of the rotating member (81) and the driving member (83) is provided with a rotating shaft (812), and the other is provided with a rotating cavity (832) into which the rotating shaft (812) is inserted.
5. The guide wheel assembly according to claim 1, characterized in that a baffle plate (12) is provided on the lower mounting member (62) outside the end of the screw (82), and a first through hole (121) is provided on the baffle plate (12) communicating with the adjustment hole (822).
6. A crane comprising a guide rail (5), a vehicle body which is operable along the guide rail (5) and a guide wheel assembly as claimed in any one of claims 1 to 5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810960691.8A CN108706454B (en) | 2018-08-22 | 2018-08-22 | Guide wheel assembly and crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810960691.8A CN108706454B (en) | 2018-08-22 | 2018-08-22 | Guide wheel assembly and crane |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108706454A CN108706454A (en) | 2018-10-26 |
| CN108706454B true CN108706454B (en) | 2023-08-25 |
Family
ID=63873764
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810960691.8A Active CN108706454B (en) | 2018-08-22 | 2018-08-22 | Guide wheel assembly and crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108706454B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4315985A1 (en) * | 1993-05-13 | 1994-11-17 | Willy M E Delecker | Plane-iron and firmer-chisel grinding apparatus with guiding carriage |
| CN103010246A (en) * | 2012-12-21 | 2013-04-03 | 江西省电力设备总厂 | Lower bearing-type wheel rail operation mechanism of electric railway empty coach |
| CN103058052A (en) * | 2013-01-14 | 2013-04-24 | 河南省矿山起重机有限公司 | Crane trolley and monorail hoist with same |
| CN204727123U (en) * | 2015-04-28 | 2015-10-28 | 无锡奥特维科技有限公司 | A kind of load-transfer device assists deviation correcting device |
| CN208684248U (en) * | 2018-08-22 | 2019-04-02 | 法兰泰克重工股份有限公司 | A kind of guide wheel assemblies and crane |
-
2018
- 2018-08-22 CN CN201810960691.8A patent/CN108706454B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4315985A1 (en) * | 1993-05-13 | 1994-11-17 | Willy M E Delecker | Plane-iron and firmer-chisel grinding apparatus with guiding carriage |
| CN103010246A (en) * | 2012-12-21 | 2013-04-03 | 江西省电力设备总厂 | Lower bearing-type wheel rail operation mechanism of electric railway empty coach |
| CN103058052A (en) * | 2013-01-14 | 2013-04-24 | 河南省矿山起重机有限公司 | Crane trolley and monorail hoist with same |
| CN204727123U (en) * | 2015-04-28 | 2015-10-28 | 无锡奥特维科技有限公司 | A kind of load-transfer device assists deviation correcting device |
| CN208684248U (en) * | 2018-08-22 | 2019-04-02 | 法兰泰克重工股份有限公司 | A kind of guide wheel assemblies and crane |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108706454A (en) | 2018-10-26 |
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