CN211644360U - Prevent single track dolly of turning on one's side - Google Patents
Prevent single track dolly of turning on one's side Download PDFInfo
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- CN211644360U CN211644360U CN201922503808.2U CN201922503808U CN211644360U CN 211644360 U CN211644360 U CN 211644360U CN 201922503808 U CN201922503808 U CN 201922503808U CN 211644360 U CN211644360 U CN 211644360U
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Abstract
The utility model discloses a single track dolly of preventing turning on one's side belongs to hoisting equipment technical field. The first U-shaped plate is arranged right below the two driving wheels, and a gap between the top end surface of each bent part and the bottom edge of the rim part of the adjacent driving wheel is smaller than the thickness of the lower wing of the track beam; the second U-shaped plate is arranged right below the two driven wheels, and a gap between the top end face of each bending part and the bottom edge of the rim part of the adjacent driven wheel is smaller than the thickness of the lower wing of the track beam. After the scheme is adopted, when the monorail trolley inclines, the lower wing of the rail beam for the wheels to slide can prevent the rim part of the wheels from sliding to the top surface of the lower wing, and the monorail trolley is prevented from side-turning over so as to ensure the monorail trolley to normally run in a no-load mode.
Description
[ technical field ] A method for producing a semiconductor device
The utility model relates to a single track dolly of preventing turning on one's side belongs to hoisting equipment technical field.
[ background of the invention ]
When the empty monorail trolley is pulled to run, the overturning tendency sometimes occurs, namely, the working tread of the walking wheel is separated from the track beams such as the I-shaped steel and the like, and the rim part of the walking wheel slides to the top surface of the lower wing of the track beam, so that the normal running of the monorail trolley is influenced. The hand chain driving mechanism of the manual monorail trolley with the existing structure is usually arranged on one of the wallboard sides, and the side overturning is easily caused by improper no-load operation, so that the no-load running performance of the existing monorail trolley is necessary to be improved.
[ Utility model ] content
The utility model aims at providing a prevent single track dolly of turning on one's side to overcome current single track dolly's technique not enough.
Therefore, the utility model adopts the following technical scheme:
the utility model provides a single track dolly of preventing turning on one's side, includes a main wallboard and a vice wallboard that interval fixed connection is in the same place, rotate two driving wheels that set up on the main wallboard, rotate two driven wheels that set up on vice wallboard and the gear shaft that supports on the main wallboard with rotating, the gear portion and the two driving wheels of gear shaft mesh simultaneously, but two driving wheels, two driven wheels roll ground in step and support on the track roof beam, its improvement point lies in: the first U-shaped plate is arranged under the two driving wheels and is provided with two symmetrical bending parts, and a gap between the top end surface of each bending part and the bottom edge of the rim part of the adjacent driving wheel is smaller than the thickness of the lower wing of the track beam; the second U-shaped plate is arranged between the two driven wheels and is provided with two symmetrical bending parts, and the gap between the top end surface of each bending part and the bottom edge of the rim part of the adjacent driven wheel is smaller than the thickness of the lower wing of the track beam.
The side end surface of each bent part of the first U-shaped plate is approximately aligned with the inner side surface of the rim part of the adjacent driving wheel; the side end surface of each bent part of the second U-shaped plate is approximately aligned with the inner side surface of the rim part of the adjacent driven wheel.
The gap between the top end face of each bent part of the first U-shaped plate and the bottom edge of the rim part of the adjacent driving wheel is 3-5 mm; and a gap between the top end surface of each bent part of the second U-shaped plate and the bottom edge of the rim part of the adjacent driven wheel is 3-5 mm.
Compared with the prior art, the utility model discloses following beneficial effect has:
because the first U-shaped plate and the second U-shaped plate are additionally arranged, a reasonable gap is formed between the first U-shaped plate and the bottom edge of the rim part of the driving wheel, and a reasonable gap is formed between the second U-shaped plate and the bottom edge of the rim part of the driven wheel.
[ description of the drawings ]
Fig. 1 is a schematic structural diagram of the present invention;
fig. 2 is a right side view of fig. 1.
[ detailed description ] embodiments
Referring to fig. 1 and 2, a single-track trolley for preventing side turning comprises a main wall plate 11 and a secondary wall plate 12 which are fixedly connected together at intervals, two driving wheels 2 rotatably arranged on the main wall plate 11, two driven wheels 4 rotatably arranged on the secondary wall plate 12 and a gear shaft 5 rotatably supported on the main wall plate 11, wherein a gear part 51 of the gear shaft 5 is simultaneously meshed with the two driving wheels 2, the two driving wheels 2 and the two driven wheels 4 can be synchronously supported on a track beam 3 in a rolling manner, and the improvement point is that: the first U-shaped plate 6 is arranged right below the two driving wheels 2, the first U-shaped plate 6 is provided with two symmetrical bending parts 61, and a gap between the top end surface 61a of each bending part and the bottom edge 21a of the rim part 21 of the adjacent driving wheel is smaller than the thickness of the thinnest part of the lower wing 31 of the track beam 3; the second U-shaped plate 8 is arranged right below the two driven wheels 4, the second U-shaped plate 8 is provided with two symmetrical bending parts 81, and a gap between the top end surface 81a of each bending part and the bottom edge 41a of the rim part 41 of the adjacent driven wheel is smaller than the thickness of the thinnest part of the lower wing 31 of the track beam 3.
The main wallboard 11 and the auxiliary wallboard 12 are fixedly connected through a known hanging beam 7; the driving wheel is arranged on a driving wheel shaft through a bearing, and the driving wheel shaft is fixed on the main wall plate; the driven wheel is arranged on a driven wheel shaft through a bearing, and the driven wheel shaft is fixed on the auxiliary wall plate; the gear shaft is supported on the main wall plate through a shaft sleeve; the shaft end of the gear shaft is fixedly provided with a hand chain wheel 9, a hand zipper strip 91 is arranged on the hand chain wheel, and the hand chain is pulled by manpower to drive the gear shaft to rotate; these are all known structures.
The first U-shaped plate and the second U-shaped plate have the same specification.
The lowest point of the periphery of the rim part of each driving wheel is aligned with the bending part adjacent to the first U-shaped plate; the lowest point of the periphery of the rim part of each driven wheel is aligned with the bending part adjacent to the second U-shaped plate.
When the fixed connection is implemented, the first U-shaped plate and the second U-shaped plate are respectively fixed on the main wallboard and the auxiliary wallboard through rivets K; the bottom plate part (not marked) of the first U-shaped plate is arranged along the inner vertical surface of the main wallboard; the bottom plate part of the second U-shaped plate is mounted along the inner vertical surface of the auxiliary wallboard.
The thickness of the lower limb 31 of known track beams 3 is typically greater than 10 mm.
Only one driven wheel is visible; the gear shaft 5 is arranged between two driving wheels each having a tooth portion (only one is shown) that are respectively engaged with the gear portions of the gear shaft.
The side end surface 61b of each bent portion 61 of the first U-shaped plate 6 is substantially aligned with the inner side surface 21b of the rim portion 21 of the adjacent active wheel; the side end surface 81b of each bent portion 81 of the second U-shaped plate 8 is substantially aligned with the inner side surface 41b of the rim portion 41 of the adjacent driven wheel.
The gap between the top end face of each bent part of the first U-shaped plate and the bottom edge of the rim part of the adjacent driving wheel is 3-5 mm; and a gap between the top end surface of each bent part of the second U-shaped plate and the bottom edge of the rim part of the adjacent driven wheel is 3-5 mm.
Claims (3)
1. The utility model provides a single track dolly of preventing turning on one's side, includes a main wall board and a vice wallboard that interval fixed connection is in the same place, rotates two driving wheels that set up on the main wall board, rotates two driven wheels that set up on vice wallboard and supports the gear shaft on the main wall board with rotating, the gear portion and the two driving wheels of gear shaft mesh simultaneously, but two driving wheels, two driven wheels roll ground in step and support on the track roof beam, its characterized in that: also comprises a first U-shaped plate fixed on the inner vertical surface of the main wallboard and a second U-shaped plate fixed on the inner vertical surface of the auxiliary wallboard,
the first U-shaped plate is arranged between the two driving wheels and is provided with two symmetrical bending parts, and a gap between the top end surface of each bending part and the bottom edge of the rim part of the adjacent driving wheel is smaller than the thickness of the lower wing of the track beam;
the second U-shaped plate is arranged between the two driven wheels and is provided with two symmetrical bending parts, and the gap between the top end surface of each bending part and the bottom edge of the rim part of the adjacent driven wheel is smaller than the thickness of the lower wing of the track beam.
2. The rollover-preventing monorail trolley according to claim 1, wherein the side end surfaces of each bent portion of the first U-shaped plate are substantially aligned with the inner side surfaces of the rim portions of the adjacent active wheels; the side end surface of each bent part of the second U-shaped plate is approximately aligned with the inner side surface of the rim part of the adjacent driven wheel.
3. The anti-rollover monorail trolley according to claim 1, wherein a gap between the top end face of each bent portion of the first U-shaped plate and the bottom edge of the rim portion of the adjacent driving wheel is 3-5 mm; and a gap between the top end surface of each bent part of the second U-shaped plate and the bottom edge of the rim part of the adjacent driven wheel is 3-5 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922503808.2U CN211644360U (en) | 2019-12-24 | 2019-12-24 | Prevent single track dolly of turning on one's side |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922503808.2U CN211644360U (en) | 2019-12-24 | 2019-12-24 | Prevent single track dolly of turning on one's side |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211644360U true CN211644360U (en) | 2020-10-09 |
Family
ID=72702982
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922503808.2U Active CN211644360U (en) | 2019-12-24 | 2019-12-24 | Prevent single track dolly of turning on one's side |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211644360U (en) |
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2019
- 2019-12-24 CN CN201922503808.2U patent/CN211644360U/en active Active
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