CN215048093U - Device of adjustable portal crane walking wheel gauge - Google Patents
Device of adjustable portal crane walking wheel gauge Download PDFInfo
- Publication number
- CN215048093U CN215048093U CN202120913828.1U CN202120913828U CN215048093U CN 215048093 U CN215048093 U CN 215048093U CN 202120913828 U CN202120913828 U CN 202120913828U CN 215048093 U CN215048093 U CN 215048093U
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- moving block
- lower structure
- lead screw
- wheel
- fixedly connected
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Abstract
The utility model relates to a portal crane technical field more particularly, relates to a device of adjustable portal crane walking wheel gauge. The gantry crane comprises an upper structure, a lower structure, a lead screw and a moving block, wherein the upper structure is fixedly connected with the bottom of a gantry crane, the top of the lower structure is fixedly connected with the lower surface of the upper structure, the lower surface of the lower structure is attached to the top of the moving block, the lead screw penetrates through the lower structure and the moving block, one end of the lead screw is rotatably fixed on one side of the lower structure, the other end of the lead screw extends out of the lower structure, the moving block is in threaded connection with the lead screw, a wheel carrier is fixedly arranged at the bottom of the moving block, and a walking wheel is connected into the wheel carrier through a pin shaft. The device is simple to operate, the structural change and adjustment of the gantry crane are small, and the track gauge of the travelling wheel can be flexibly adjusted to adapt to travelling on tracks with various track gauges. The utility model discloses mainly be applied to in the aspect of portal crane walking wheel gauge adjustment.
Description
Technical Field
The utility model relates to a portal crane technical field more particularly, relates to a device of adjustable portal crane walking wheel gauge.
Background
When a ballastless track is laid in a railway tunnel, a gantry crane is required to be used for hoisting operation, the gantry crane travels in a track self-running mode, the gantry crane leaving a factory is generally customized, and the track gauge is fixed. But the railway tunnel has a turning widening section, and the line spacing is changed. The track of portal crane is generally laid on ditch cable duct, when walking to the widening section, for satisfying the construction demand, orbital gauge increases, so need adjust portal crane walking wheel gauge, current portal crane can't carry out nimble adjustment to walking wheel gauge, leads to gauge adjustment work difficulty.
SUMMERY OF THE UTILITY MODEL
For overcoming exist not enough among the above-mentioned prior art, the utility model provides a device of adjustable portal crane walking wheel gauge, the device can in time adjust the gauge of portal crane in a flexible way to the change of practical track gauge, the device adjustment easy operation can adapt to the track of various gauges.
In order to solve the technical problem, the utility model discloses the technical scheme who takes does:
the device capable of adjusting the track gauge of the travelling wheel of the gantry crane comprises an upper structure, a lower structure, a lead screw and a moving block, wherein the upper structure is fixedly connected with the bottom of the gantry crane, the top of the lower structure is fixedly connected with the lower surface of the upper structure, the top of the moving block is attached to the lower surface of the lower structure, the lead screw penetrates through the lower structure and the moving block, one end of the lead screw is rotatably fixed on one side of the lower structure, the other end of the lead screw extends out of the lower structure, the moving block is in threaded connection with the lead screw, a wheel carrier is fixedly arranged at the bottom of the moving block, and the travelling wheel is connected into the wheel carrier through a pin shaft.
The upper structure and the lower structure are correspondingly provided with threaded holes, the top of the moving block is also provided with threaded holes, and the moving block is fixedly connected with the upper structure and the lower structure through fixing bolts.
And one end of the screw rod extending out of the lower structure is fixedly connected with a manual turntable.
The lower structure is arranged in an inverted U-shaped structure.
The device of claim 1, wherein the device comprises: the height of the walking wheel groove is higher than that of the bottommost part of the wheel frame.
Compared with the prior art, the utility model discloses the beneficial effect who has does:
the moving block can move in the horizontal direction by rotating the screw rod, so that the track gauge of the traveling wheel is changed to adapt to the change of the track gauge; the manual turntable is convenient for operators to rotate the screw rod and adjust the track gauge; the fixing bolt can firmly fix the moving block on the lower structure without displacement. The device is simple to operate, the structural change and adjustment of the gantry crane are small, and the track gauge of the travelling wheel can be flexibly adjusted to adapt to travelling on tracks with various track gauges.
Drawings
FIG. 1 is a schematic view of the installation position of the present invention;
FIG. 2 is a schematic structural view of the present invention;
in the figure: the device comprises a gantry crane 1, an upper structure 2, a lower structure 3, a lead screw 4, a moving block 5, a traveling wheel 6, a manual turntable 7, a fixing bolt 8, a steel rail 9 and a wheel carrier 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 fig. 1 and 2, the device capable of adjusting the track pitch of the travelling wheels of the gantry crane comprises an upper structure 2, a lower structure 3, a lead screw 4 and a moving block 5, wherein the upper structure 2 is fixedly connected with the bottom of the gantry crane 1, the top of the lower structure 3 is fixedly connected with the lower surface of the upper structure 2, the top of the moving block 5 is attached to the lower surface of the lower structure 3, the lead screw 4 penetrates through the lower structure 3 and the moving block 5, one end of the lead screw 4 is rotatably fixed on one side of the lower structure 3, the other end of the lead screw extends out of the lower structure 3, the moving block 5 is in threaded connection with the lead screw 4, when the lead screw 4 rotates, the moving block 5 can be driven to perform translational motion in the horizontal direction, a wheel carrier 10 is fixedly arranged at the bottom of the moving block 5, a travelling wheel 6 is connected into the wheel carrier 10 through a pin shaft, and the bottom of the travelling wheel 6 is meshed with a steel rail 9.
Preferably, threaded holes are correspondingly formed in the upper structure 2 and the lower structure 3, threaded holes are also formed in the top of the moving block 5, and the moving block 5 is fixedly connected with the upper structure 2 and the lower structure 3 through fixing bolts 8. The pitch of the threaded holes in the top of the moving mass 5 is the same as the pitch of the threaded holes in the upper structure 2 and the lower structure 3.
Preferably, one end of the screw rod 4 extending out of the lower structure 3 is fixedly connected with a manual rotating disc 7, and the axis of the manual rotating disc 7 is fixedly connected with the screw rod 4.
Preferably, the lower structure 3 is of an inverted U-shaped structure, and the screw rod is arranged through the vertical plate part of the lower structure 3.
Preferably, the fixing bolt 8 is a high-strength bolt.
Preferably, the height of the groove of the road wheel 6 is higher than the height of the bottommost part of the wheel frame 10.
When the track gauge of the travelling wheel 6 is adjusted, firstly, the fixing bolt 6 is separated, the lead screw 4 is rotated through the manual turntable 7, so that the moving block 5 can be horizontally displaced, and after the track gauge reaches a proper position, the moving block 5 is fixedly connected with the upper structure 2 and the lower structure 3 through the fixing bolt. When carrying out gauge adjustment, in order to guarantee portal crane 1's stability, prevent portal crane 1 unstability, need adjust 6 positions of every walking wheel one by one, surely forbid four walking wheels 6 devices to adjust simultaneously. Because screw hole position interval is fixed, the condition that screw hole site does not coincide appears after perhaps appearing adjusting the completion, needs to accord with the screw position nearby this moment, and the reinforcement, then carry out the fine setting of minim scope to rail 9 can.
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 (6)
1. The utility model provides a device of adjustable portal crane walking wheel gauge which characterized in that: the gantry crane is characterized by comprising an upper structure (2), a lower structure (3), a lead screw (4) and a moving block (5), wherein the upper structure (2) is fixedly connected with the bottom of a gantry crane (1), the top of the lower structure (3) is fixedly connected with the lower surface of the upper structure (2), the top of the moving block (5) is attached to the lower surface of the lower structure (3), the lead screw (4) penetrates through the lower structure (3) and the moving block (5), one end of the lead screw (4) is rotatably fixed on one side of the lower structure (3), the other end of the lead screw extends out of the lower structure (3), the moving block (5) is in threaded connection with the lead screw (4), a wheel carrier (10) is fixedly arranged at the bottom of the moving block (5), and a traveling wheel (6) is connected into the wheel carrier (10) through a pin shaft.
2. The device of claim 1, wherein the device comprises: the upper structure (2) and the lower structure (3) are correspondingly provided with threaded holes, the top of the moving block (5) is also provided with threaded holes, and the moving block (5) is fixedly connected with the upper structure (2) and the lower structure (3) through fixing bolts (8).
3. The device of claim 1, wherein the device comprises: one end of the screw rod (4) extending out of the lower structure (3) is fixedly connected with a manual rotating disc (7).
4. The device of claim 1, wherein the device comprises: the lower structure (3) is arranged in an inverted U-shaped structure.
5. The device of claim 1, wherein the device comprises: the fixing bolt (8) is a high-strength bolt.
6. The device of claim 1, wherein the device comprises: the height of the groove of the walking wheel (6) is higher than that of the bottommost part of the wheel carrier (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120913828.1U CN215048093U (en) | 2021-04-29 | 2021-04-29 | Device of adjustable portal crane walking wheel gauge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120913828.1U CN215048093U (en) | 2021-04-29 | 2021-04-29 | Device of adjustable portal crane walking wheel gauge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215048093U true CN215048093U (en) | 2021-12-07 |
Family
ID=79107489
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120913828.1U Active CN215048093U (en) | 2021-04-29 | 2021-04-29 | Device of adjustable portal crane walking wheel gauge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215048093U (en) |
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2021
- 2021-04-29 CN CN202120913828.1U patent/CN215048093U/en active Active
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