CN212950580U - Top supporting device - Google Patents
Top supporting device Download PDFInfo
- Publication number
- CN212950580U CN212950580U CN202021163081.4U CN202021163081U CN212950580U CN 212950580 U CN212950580 U CN 212950580U CN 202021163081 U CN202021163081 U CN 202021163081U CN 212950580 U CN212950580 U CN 212950580U
- Authority
- CN
- China
- Prior art keywords
- vehicle body
- hollow outer
- cylinder
- outer beam
- hinged
- 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
Abstract
The utility model belongs to the technical field of mining top supporting equipment, in particular to a top supporting device, which comprises a vehicle body and a top supporting telescopic mechanism arranged on the vehicle body, wherein the bottom of the vehicle body is provided with a bottom lifting supporting mechanism, the top supporting telescopic mechanism comprises an inner beam and a hollow outer beam, the inner beam is in sliding connection with the hollow outer beam, a telescopic cylinder is arranged between the inner beam and the hollow outer beam, two ends of the telescopic cylinder are respectively fixedly connected or hinged with the inner beam and the hollow outer beam, the inner beam is driven to move by the telescopic cylinder, the lower end of the hollow outer beam is hinged with the vehicle body, an angle adjusting cylinder is arranged between the hollow outer beam and the vehicle body, and two ends of the angle adjusting cylinder are respectively hinged with the vehicle body and the hollow outer beam; the top of the inner beam is fixedly connected or hinged with a supporting plate. The top supporting telescopic mechanism of the top supporting device adopts the structure arrangement of the inner beam and the hollow outer beam in the top supporting process, so that the direct stress of the oil cylinder can be avoided while the angle adjustment and the top supporting are ensured, and the service life is prolonged.
Description
Technical Field
The utility model belongs to the technical field of mining prop a top equipment, concretely relates to prop a top device.
Background
During the running process of the mining hydraulic self-moving train, a top plate needs to be propped by a propping device, and the rear train moves through the extension and contraction of a displacement oil cylinder; after the rear train moves, the supporting equipment is separated from the top plate, the rear train supports the top plate, or the bottom of the rear train is in contact with the ground (the roller is lifted and is not in contact with the ground), so that the resistance is increased, and then the supporting equipment is pushed to move by using the displacement oil cylinder; in the above manner, the movement is performed alternately, thereby realizing the overall movement. Therefore, the roof supporting device needs to have a strong supporting force during the process, so as to prevent the roof supporting device from being displaced from the roof during the movement of the rear vehicle.
The telescopic mechanism of a common supporting device is an oil cylinder, the oil cylinder is connected or separated with a top plate through the telescopic effect of the oil cylinder, a corresponding adjusting oil cylinder is hinged to a cylinder body of the oil cylinder, the angle of the adjusting oil cylinder is adjusted, and therefore the oil cylinder needs to bear double pressure of the adjusting oil cylinder and the top plate, the service life of the oil cylinder is shortened, and deformation failure is possible.
SUMMERY OF THE UTILITY MODEL
To the technical problem, the utility model provides a prop a device, the device prop a telescopic machanism and can avoid the direct atress of hydro-cylinder, improve life.
In order to solve the technical problem, the utility model discloses a technical scheme be:
a top supporting device comprises a vehicle body and a top supporting telescopic mechanism arranged on the vehicle body, wherein the bottom of the vehicle body is provided with a bottom lifting supporting mechanism, the top supporting telescopic mechanism comprises an inner beam and a hollow outer beam, the inner beam is in sliding connection with the hollow outer beam, a telescopic cylinder is arranged between the inner beam and the hollow outer beam, two ends of the telescopic cylinder are respectively fixedly connected with or hinged with the inner beam and the hollow outer beam, the inner beam is driven to move through the telescopic cylinder, the lower end of the hollow outer beam is hinged with the vehicle body, an angle adjusting oil cylinder is arranged between the hollow outer beam and the vehicle body, and two ends of the angle adjusting oil cylinder are respectively hinged with the vehicle body and the hollow outer beam; the top of the inner beam is fixedly connected or hinged with a supporting plate.
The bottom lifting support mechanism comprises four hydraulic lifting wheels, and the front side and the rear side of the bottom of the vehicle body are respectively provided with one hydraulic lifting wheel.
The bottom lifting support mechanism adopts a connecting rod type lifting wheel.
The front end and/or the rear end of the vehicle body are/is provided with connecting plates, the connecting plates are connected with the vehicle body through connecting pins, corresponding pin holes are formed in the connecting plates, and the connecting plates can rotate and can move up and down in a certain range along the connecting pins.
The vehicle body is provided with a push-pull mechanism, the push-pull mechanism comprises a push-pull cylinder and a connecting frame, the push-pull cylinder is fixed or hinged on the vehicle body, the push-pull cylinder is fixedly connected or hinged with the connecting frame, and the connecting frame can be driven to move through the push-pull cylinder.
The end part of the connecting frame is provided with a connecting shaft.
The connecting frame is a square frame.
The middle part of the vehicle body is provided with a groove, and the push-pull mechanism is positioned in the groove.
The top of the supporting plate is provided with anti-skid grains or anti-skid projections.
And a support strip is arranged at the bottom of the vehicle body.
The inner beam and the hollow outer beam can be fixed through a pin shaft, two hinge lugs with different heights are arranged on the hollow outer beam, and the hollow outer beam is hinged with the telescopic cylinder through the hinge lugs.
Compared with the prior art, the utility model, the beneficial effect who has is:
the top supporting telescopic mechanism of the top supporting device adopts the structure arrangement of the inner beam and the hollow outer beam in the top supporting process, so that the direct stress of the oil cylinder can be avoided while the angle adjustment and the top supporting are ensured, and the service life is prolonged.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of another embodiment of the present invention;
fig. 3 is a schematic structural diagram of an embodiment of the present invention;
fig. 4 is a schematic structural view of the vehicle body of the present invention;
fig. 5 is a schematic structural view of the push-pull mechanism of the present invention;
FIG. 6 is a schematic structural view of the bottom lifting support mechanism of the present invention;
FIG. 7 is a cross-sectional view taken along line A-A of FIG. 6;
wherein: the vehicle body is 1, the groove is 100, the supporting bar is 101, the top-supporting telescopic mechanism is 2, the inner beam is 200, the hollow outer beam is 201, the telescopic cylinder is 202, the angle adjusting oil cylinder is 203, the supporting plate is 204, the bottom-lifting supporting mechanism is 3, the connecting rod mechanism is 301, the roller is 302, the connecting plate is 4, the pin hole is 400, the connecting pin is 5, the push-pull mechanism is 6, the push-pull cylinder is 600, the connecting frame is 601, the connecting shaft is 602, the anti-skid protrusion is 7, the hinge lug is 8, the hinge lug is 9, the pin shaft is 10, and the pin hole is 10.
Detailed Description
The technical solutions in the embodiments of the present invention are described below clearly and completely, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. 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 figure 1, the roof supporting device comprises a vehicle body 1 and a roof supporting telescopic mechanism 2 arranged on the vehicle body 1, wherein a bottom lifting supporting mechanism 3 is arranged at the bottom of the vehicle body 1, when the roof supporting device needs to move, the bottom of the vehicle body 1 can be lifted through the bottom lifting supporting mechanism 3, and the vehicle body 1 is changed into a roof supporting mechanism 3 which is in contact with the ground.
The supporting and jacking telescopic mechanism 2 comprises an inner beam 200 and a hollow outer beam 201, the inner beam 200 is in sliding connection with the hollow outer beam 201, a telescopic cylinder 202 is arranged between the inner beam 200 and the hollow outer beam 201, two ends of the telescopic cylinder 202 are respectively fixedly connected or hinged with the inner beam 200 and the hollow outer beam 201, the inner beam 200 is driven to move through the telescopic cylinder 202, the lower end of the hollow outer beam 201 is hinged with the vehicle body 1, an angle adjusting oil cylinder 203 is arranged between the hollow outer beam 201 and the vehicle body 1, and two ends of the angle adjusting oil cylinder 203 are respectively hinged with the vehicle body 1 and the hollow outer beam 201; the top of the inner beam 200 is fixedly connected or hinged with a support plate 204.
When supporting, the vehicle body 1 is contacted with the ground, and the angle adjustment between the hollow outer beam 201 and the vehicle body 1 is realized through the extension and contraction of the angle adjustment oil cylinder 203; after the angle is adjusted, a piston rod of the telescopic cylinder 202 extends out to drive the inner beam 200 to move, so that a supporting plate 204 at the top of the inner beam 200 is abutted against a top plate, the jacking process is completed, a displacement oil cylinder is arranged on a rear vehicle and is connected with the vehicle body 1, and the rear vehicle is driven to move through retraction of the displacement oil cylinder; after the rear vehicle moves, the rear vehicle props up or contacts the ground (the roller of the rear vehicle is lifted up), the telescopic cylinder 202 of the propping and telescopic mechanism 2 of the propping device retracts, the supporting plate 204 is separated from the top plate, and the vehicle body 1 is pushed to move by extending a displacement oil cylinder on the rear vehicle; then, the displacement is alternated in the above manner, and the entire movement is realized.
Further, the bottom-lifting supporting mechanism 3 is mainly used for changing the sliding friction and rolling friction modes between the bottom of the vehicle body 1 and the ground; when the rear vehicle needs to move, the bottom of the vehicle body 1 is in sliding friction with the ground, and when the top supporting device moves, the bottom lifting supporting mechanism 3 is in rolling friction with the ground. Therefore, it can be implemented in various structures, such as: the hydraulic lifting wheels can be adopted, and the front side and the rear side of the bottom of the vehicle body 1 are respectively provided with one hydraulic lifting wheel and four hydraulic lifting wheels. Corresponding rails are laid on the ground, and the bottom lifting support mechanism 3 can move along the rails.
The hydraulic lifting wheel can adopt the structural arrangement disclosed in the patent application No. 201720698342.4, a bottom lifting support mechanism of a hydraulic self-moving trackless equipment vehicle. The main structure of the hydraulic lifting device comprises a hydraulic cylinder and a pulley arranged at the lower end of the hydraulic cylinder, wherein a cylinder body of the hydraulic cylinder is fixed on a vehicle body 1, and a piston rod of the hydraulic cylinder extends out to enable the pulley to be in contact with the ground and lift the vehicle body 1; otherwise, the piston cylinder of the hydraulic cylinder retracts to put the vehicle body 1 down to be in contact with the ground, and the pulley is not in contact with the ground.
Further, in addition to the above structure, the following structure may be adopted:
as shown in fig. 6 and 7, the bottom lifting support mechanism 3 is a link type lifting wheel, and mainly includes a link mechanism 301, an oil cylinder and a roller 302, the roller 302 is rotatably connected to the link mechanism 301, the link mechanism 301 is hinged to the vehicle body 1, a parallelogram mechanism is formed between the link mechanism 301 and the vehicle body 1, two ends of the oil cylinder are respectively hinged to the link mechanism 301 and the vehicle body 1, and bottom lifting of the vehicle body 1 or contact between the roller 302 and the ground is realized by extension and contraction of the oil cylinder.
Further, as shown in fig. 1, a connecting plate 4 is provided at the front end and/or the rear end of the vehicle body 1, the connecting plate 4 is connected to the vehicle body 1 by a connecting pin 5, a corresponding pin hole 400 is provided in the connecting plate 4, and the connecting plate 4 can rotate and can move up and down along the connecting pin 5 within a certain range. Can be conveniently connected with a rear vehicle through the connecting plate 4.
In addition to the movement realized by arranging the displacement oil cylinder on the rear vehicle, the corresponding mechanism can also be arranged on the vehicle body 1 of the supporting device to realize the movement:
further, as shown in fig. 2, 3 and 5, a push-pull mechanism 6 is arranged on the vehicle body 1, the push-pull mechanism 6 includes a push-pull cylinder 600 and a connecting frame 601, the push-pull cylinder 600 is fixed or hinged on the vehicle body 1, the push-pull cylinder 600 is fixed or hinged with the connecting frame 601, the connecting frame 601 can be driven to move by the push-pull cylinder 600, the connecting frame 601 is connected with a rear vehicle, and the rear vehicle is pulled to move by the connecting frame 601. Specifically, the method comprises the following steps: one end of the push-pull cylinder 600 is hinged to the vehicle body, and the other end is hinged to the connecting frame.
Specifically, the method comprises the following steps: in the using process, two supporting devices can be arranged, and the connecting frame 601 of the front supporting device is connected with the vehicle body 1 of the rear supporting device; when the front top-supporting device supports the top, the push-pull cylinder 600 extends out and drives the connecting frame 601 and the rear top-supporting device (the bottom-lifting supporting mechanism 3 of the rear top-supporting device is contacted with the ground) to move; when the rear roof-supporting device is used for supporting (the vehicle body 1 is in contact with the ground), the supporting plate 204 of the front roof-supporting device is separated from the top plate, and the push-pull cylinder 600 retracts to push the vehicle body 1 (the bottom-lifting supporting mechanism 3 is in contact with the ground) to move. In the actual process, the supporting device at the rear part is connected with the corresponding rail train in series.
Further, the end of the connecting frame 601 is provided with a connecting shaft 602, and the connecting frame 602 can be conveniently connected with a vehicle behind, and the connecting plate 4 can be specifically adopted.
Further, the connecting frame 601 is a square frame.
Further, as shown in fig. 4, a groove 100 is provided in the middle of the vehicle body 1, and the push-pull mechanism 6 is located in the groove 100.
Further, the top of the support plate 204 is provided with anti-slip threads or anti-slip protrusions 7, which can increase the friction force when contacting with the top plate.
Further, the cross sections of the inner beam 200 and the hollow outer beam 201 are both square, namely square beams; but of course may also have other suitable shapes such as circular.
Further, two telescopic cylinders 202 are provided, which are respectively located at both sides of the inner beam 200 and the hollow outer beam 201. The two telescopic cylinders 202 can provide larger supporting force, and the supporting effect is improved; of course, one may be provided, and when one is provided, it is preferably provided in the middle of the inner beam 200 and the hollow outer beam 201.
Further, similarly, one, preferably two, angle adjustment cylinders 203 may be provided.
Further, the support plate 204 may be square, but may be other suitable shapes such as circular.
Further, the inner beam 200 and the hollow outer beam 201 can be fixed through a pin shaft 9, and the inner beam 200 and the hollow outer beam 201 are provided with corresponding pin holes 10. Two hinge lugs 8 with different heights are arranged on the hollow outer beam 201. When flexible length can not satisfy the requirement of propping up, can insert the pinhole of interior roof beam 200 and hollow outer beam 201 with round pin axle 9 and carry out interim fixed, then dismantle telescopic cylinder 202 and the articulated department (the articulated ear 8 of below) of hollow outer beam 201, be connected it with the articulated ear that is located the top again to increase the telescopic height.
The above description has been made in detail only for the preferred embodiment of the present invention, but the present invention is not limited to the above embodiment, and various changes can be made without departing from the spirit of the present invention within the knowledge scope of those skilled in the art, and all such changes are intended to be encompassed by the present invention.
Claims (10)
1. A propping device, characterized in that: the lifting device comprises a vehicle body (1) and a supporting and stretching mechanism (2) arranged on the vehicle body (1), wherein the bottom of the vehicle body (1) is provided with a bottom lifting supporting mechanism (3), the supporting and stretching mechanism (2) comprises an inner beam (200) and a hollow outer beam (201), the inner beam (200) is in sliding connection with the hollow outer beam (201), a stretching cylinder (202) is arranged between the inner beam (200) and the hollow outer beam (201), two ends of the stretching cylinder (202) are respectively fixedly connected or hinged with the inner beam (200) and the hollow outer beam (201), the inner beam (200) is driven to move through the stretching cylinder (202), the lower end of the hollow outer beam (201) is hinged with the vehicle body (1), an angle adjusting cylinder (203) is arranged between the hollow outer beam (201) and the vehicle body (1), and two ends of the angle adjusting cylinder (203) are respectively hinged with the vehicle body (1) and the hollow outer beam (201); the top of the inner beam (200) is fixedly connected or hinged with a support plate (204).
2. A jacking device as claimed in claim 1, wherein: the bottom lifting supporting mechanism (3) comprises four hydraulic lifting wheels, and the front side and the rear side of the bottom of the vehicle body (1) are respectively provided with one hydraulic lifting wheel.
3. A jacking device as claimed in claim 1, wherein: the bottom lifting support mechanism (3) adopts a connecting rod type lifting wheel.
4. A jacking device as claimed in claim 1, wherein: the front end and/or the rear end of the vehicle body (1) are/is provided with a connecting plate (4), the connecting plate (4) is connected with the vehicle body (1) through a connecting pin (5), and the connecting plate (4) is provided with a corresponding pin hole (400).
5. A jacking device as claimed in claim 1, wherein: the vehicle body (1) is provided with a push-pull mechanism (6), the push-pull mechanism (6) comprises a push-pull cylinder (600) and a connecting frame (601), the push-pull cylinder (600) is fixed or hinged on the vehicle body (1), the push-pull cylinder (600) is fixedly connected or hinged with the connecting frame (601), and the connecting frame (601) can be driven to move through the push-pull cylinder (600).
6. The jacking device as claimed in claim 5, wherein: the end of the connecting frame (601) is provided with a connecting shaft (602).
7. The jacking device as claimed in claim 5, wherein: the connecting frame (601) is a square frame.
8. The jacking device as claimed in claim 5, wherein: the middle part of the vehicle body (1) is provided with a groove (100), and the push-pull mechanism (6) is positioned in the groove (100).
9. The jacking device as claimed in claim 5, wherein: the top of the supporting plate (204) is provided with anti-skid grains or anti-skid projections (7).
10. A jacking device as claimed in claim 1, wherein: the inner beam (200) and the hollow outer beam (201) can be fixed through a pin shaft (9), two hinge lugs (8) with different heights are arranged on the hollow outer beam (201), and the hollow outer beam is hinged with the telescopic cylinder (202) through the hinge lugs (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021163081.4U CN212950580U (en) | 2020-06-22 | 2020-06-22 | Top supporting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021163081.4U CN212950580U (en) | 2020-06-22 | 2020-06-22 | Top supporting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212950580U true CN212950580U (en) | 2021-04-13 |
Family
ID=75387691
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021163081.4U Active CN212950580U (en) | 2020-06-22 | 2020-06-22 | Top supporting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212950580U (en) |
-
2020
- 2020-06-22 CN CN202021163081.4U patent/CN212950580U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CA2998248C (en) | Telescoping jack for lifting large capacity trucks | |
| CN212950580U (en) | Top supporting device | |
| CN211920814U (en) | Novel lifting machine | |
| CN113929027A (en) | Power supply line maintenance platform based on multi-hydraulic jacking | |
| AU2017413555B2 (en) | Telescoping jack for lifting large capacity trucks | |
| CN212950579U (en) | Prop a telescopic machanism | |
| CN116181380A (en) | Anti-collapse supporting device and supporting method for coal mine tunnel | |
| CN112079050B (en) | Three-roller clamping friction type quick telescopic device of belt conveyor | |
| CN213228626U (en) | Connecting rod type bottom lifting mechanism | |
| CN212982361U (en) | Semitrailer axle mounting lifting device | |
| CN212198333U (en) | Portable new energy automobile maintenance platform | |
| CN114875757A (en) | Chassis adjusting device of wheeled pavement milling machine | |
| CN212267464U (en) | Self-walking train set | |
| CN212980191U (en) | Self-walking train | |
| CN215890066U (en) | Bottom-lifting prop device | |
| CN216950445U (en) | Lifting moving type combined top beam hydraulic support | |
| CN214823247U (en) | Train driving device | |
| CN216512743U (en) | There is rail from moving equipment train | |
| CN220505065U (en) | Safety support trolley | |
| CN211869338U (en) | Car moving device | |
| CN215793381U (en) | Semitrailer carriage unloads supporting equipment | |
| CN212655414U (en) | Lifting device for automobile repair | |
| CN213627674U (en) | Quick telescopic device of belt conveyor | |
| CN218232992U (en) | Auxiliary mechanism for operation of track lifting machine | |
| CN219298817U (en) | Sliding frame convenient to adjust |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 041000 middle section of East Outer Ring Road, Yaodu District, Linfen City, Shanxi Province Patentee after: Shanxi Jianxiang mechanical equipment manufacturing Co.,Ltd. Address before: 041000 middle section of East Outer Ring Road, Yaodu District, Linfen City, Shanxi Province Patentee before: LINFEN JIANXIANG MECHANICAL & EQUIPMENT MANUFACTURING CO.,LTD. |