CN210391276U - Fixing device for universal wheel of cart - Google Patents
Fixing device for universal wheel of cart Download PDFInfo
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- CN210391276U CN210391276U CN201921188324.7U CN201921188324U CN210391276U CN 210391276 U CN210391276 U CN 210391276U CN 201921188324 U CN201921188324 U CN 201921188324U CN 210391276 U CN210391276 U CN 210391276U
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Abstract
The utility model relates to a cart fixing device, in particular to a cart universal wheel fixing device, which comprises a cart connecting device and a cart clamping device which are both arranged on an AGV; the trolley is characterized by also comprising a positioning slide rod, wherein the positioning slide rod is fixed on the trolley connecting device; the positioning block is slidably mounted on the positioning slide rod and is arranged opposite to the universal wheel; the central rotating shaft is fixed at the center of the positioning slide rod; the center of the connecting rod device is rotatably arranged on the central rotating shaft, and two ends of the connecting rod device are respectively connected with the two positioning blocks; and the connecting rod driving device is movably connected with the cart clamping device and is rotationally connected with the connecting rod device. The device utilizes AGV's shallow clamping device as the power supply, promotes the locating piece through link means and realizes fixing two universal wheels of shallow one end, avoids the universal wheel to swing at the roll in-process to make the shallow follow AGV dolly and remove, guarantee that AGV removes according to the removal orbit.
Description
Technical Field
The utility model relates to a shallow fixing device, especially shallow universal wheel fixing device.
Background
When the workshop of mill is great, adopt the shallow to circulate the work piece usually, this just needs special personnel to promote the shallow and carry out the circulation of work piece, because the workshop is great, the distance of carrying out is far away, exceeds a kilometer even, leads to this kind of mode high in labor strength, and is inefficient, consequently adopts AGV drive shallow removal now, and AGV self-holding shallow, then AGV promotes or pulls the shallow removal according to the route of setting for. For the convenience of turning, four wheels of shallow are the universal wheel, but when four universal wheels caused AGV to drive the shallow and remove, the universal wheel of shallow can swing automatically, leads to the skew route of AGV after the universal wheel swing, need continuous correction, has influenced AGV normal work.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model provides an utilize shallow clamping device of AGV as the power supply realization and fix two universal wheels of shallow one end to make the shallow follow the AGV dolly and remove, guarantee the shallow universal wheel fixing device of AGV normal work, concrete technical scheme is:
a cart universal wheel fixture including a cart interface and a cart clamp both mounted on the AGV, the cart interface configured to interface with a cart, the cart clamp configured to clamp the cart to the cart interface; the trolley is characterized by further comprising a positioning sliding rod, wherein the positioning sliding rod is fixed on the trolley connecting device; the positioning blocks are slidably mounted on the positioning slide rods and symmetrically positioned at two ends of the positioning slide rods, and the positioning blocks are arranged opposite to the two universal wheels at the same end of the trolley; the central rotating shaft is fixed at the center of the positioning sliding rod; a link device, the center of which is rotatably mounted on the central rotating shaft, both ends of which are respectively connected with the two positioning blocks, the link device being configured to drive the two universal wheels of the positioning block locking cart; and the connecting rod driving device is movably connected with the trolley clamping device, is rotatably connected with the connecting rod device, and is configured to drive the connecting rod device.
According to the technical scheme, the trolley connecting device and the trolley clamping device are all AGV self-carrying, the AGV scans the trolley through the vehicle-mounted code scanning instrument, then the AGV adjusts the distance and the height of the trolley clamping device and the trolley connecting device relative to the trolley according to the scanning result, after the position of the AGV is adjusted, the trolley connecting device enters the lower portion of the trolley and rises to the clamping position of the trolley, then the trolley clamping device moves towards the trolley, the trolley clamping device clamps the trolley on the trolley connecting device, connection between the trolley and the AGV is achieved, the trolley clamping device pushes the connecting rod driving device when moving towards the trolley, the connecting rod driving device pushes the connecting rod device, the connecting rod device pushes the positioning block to move towards the universal wheels, the positioning block is tightly pressed on the universal wheels, the universal wheels are fixed, and the positioning block does not swing in the moving process.
Preferably, the link device comprises a first driving link, the center of the first driving link is rotatably mounted on the central rotating shaft, and one end of the first driving link is rotatably connected with the link driving device; the center of the second driving connecting rod is rotatably arranged on the central rotating shaft, and one end of the second driving connecting rod is rotatably connected with the connecting rod driving device; the two first driven connecting rods are arranged and are respectively positioned on two sides of the central rotating shaft, and two ends of the first driving connecting rod are respectively rotatably connected with one end of the first driven connecting rod; two second driven connecting rods are arranged, the second driven connecting rods are respectively positioned on two sides of the central rotating shaft, two ends of the second driving connecting rod are respectively and rotatably connected with one end of the second driven connecting rod, and the center of the second driven connecting rod is rotatably connected with the center of the first driven connecting rod; the four sliding wheels are respectively fixed at the other ends of the two first driven connecting rods and the other ends of the two second driven connecting rods; the sliding plate is symmetrically provided with two sliding grooves, the sliding plate is fixed on the positioning block, and sliding wheels are movably arranged in the sliding grooves.
By adopting the technical scheme, the connecting rod driving device drives the first driving connecting rod and the second rotating connecting rod to rotate around the central rotating shaft, and the first driving connecting rod and the second driving connecting rod drive the first driven connecting rod and the second driven connecting rod to rotate around the center of the first driven connecting rod, so that the sliding plate can be contracted and expanded.
Preferably, the connecting rod driving device comprises a lifting device, and the lifting device is fixed on the cart clamping device; the driving sliding rod is connected with the lifting device; the two connecting rod driving blocks are arranged, the two connecting rod driving blocks are slidably mounted on the driving slide rod and symmetrically located on two sides of the central rotating shaft, and the two connecting rod driving blocks are respectively connected with one end of the first driving connecting rod and one end of the second driving connecting rod in a rotating mode.
By adopting the technical scheme, the lifting device enables the connecting rod driving block, the driving slide rod, the positioning block and the connecting rod device to lift along with the trolley connecting device.
Preferably, the lifting device comprises a lifting rod, and one end of the lifting rod is fixed on the driving sliding rod; the linear bearing is fixed on the cart clamping device, and the lifting rod is movably inserted into the linear bearing.
Preferably, the universal wheel is provided with a positioning hole; the positioning rod is matched with the positioning hole; the positioning seat is fixed on the positioning block, and the positioning rod is inserted on the positioning seat in a sliding manner; a spring positioned between the locating stem and the locating seat, the spring configured to press the locating stem into the locating hole.
Through adopting above-mentioned technical scheme, during the locating lever disect insertion universal wheel, can effectively guarantee that the universal wheel does not swing at the roll in-process. When the locating piece drives the locating lever and presses the universal wheel, if the locating lever is not inserted when the locating hole, when AGV drives the shallow removal, the universal wheel rotates, when rotating the locating hole and corresponding with the locating lever, the locating lever inserts the locating hole under the effect of spring, realizes the fixed of universal wheel.
Preferably, the universal wheel further comprises a positioning column, wherein a positioning hole is formed in the positioning column, and the positioning column is fixed on the universal wheel.
Through adopting above-mentioned technical scheme, the reference column is the metal post, and the universal wheel is the plastics wheel, protects the universal wheel through the reference column, prevents that the locating lever from damaging the universal wheel.
Compared with the prior art the utility model discloses following beneficial effect has:
the utility model provides a shallow universal wheel fixing device utilizes AGV's shallow clamping device as the power supply, promotes the locating piece through link means and realizes fixing two universal wheels of shallow one end, avoids the universal wheel to swing at the roll in-process to make the shallow follow the AGV dolly and remove, guarantee that AGV removes according to the removal orbit.
Drawings
FIG. 1 is a front view of a cart castor fixing arrangement;
FIG. 2 is a bottom view of the cart castor fixing device;
FIG. 3 is an isometric view of the cart castor fixing device;
fig. 4 is a schematic sectional view of the positioning rod and positioning socket.
Detailed Description
The present invention will now be further described with reference to the accompanying drawings.
Example one
1-3, a cart universal wheel fixture including a cart attachment device and a cart clamping device, both mounted on the AGV, the cart attachment device configured to attach to the cart, the cart clamping device configured to clamp the cart to the cart attachment device; the trolley is characterized by further comprising a positioning slide rod 41, wherein the positioning slide rod 41 is fixed on the trolley connecting device; the positioning blocks 42 are slidably mounted on the positioning slide rods 41 and symmetrically positioned at two ends of the positioning slide rods 41, and the positioning blocks 42 are arranged opposite to the two universal wheels 61 at the same end of the trolley; a central rotating shaft 43, wherein the central rotating shaft 43 is fixed at the center of the positioning slide rod 41; a linkage device, the center of which is rotatably mounted on the central rotating shaft 43, both ends of the linkage device are respectively connected with the two positioning blocks 42, and the linkage device is configured to drive the positioning blocks 42 to lock the two universal wheels 61 of the cart; and a link drive device movably connected with the cart clamping device, the link drive device being rotatably connected with the link device, the link drive device being configured to drive the link device.
The trolley connecting device and the trolley clamping device are both AGV self-carried, the AGV scans the trolley through the vehicle-mounted code scanning instrument, then the AGV adjusts the distance and the height of the trolley clamping device and the trolley connecting device relative to the trolley according to the scanning result, after the position of the AGV is adjusted, the trolley connecting device enters the lower portion of the trolley and rises to the clamping position of the trolley, then the trolley clamping device moves towards the trolley, the trolley clamping device clamps the trolley on the trolley connecting device, connection between the trolley and the AGV is achieved, the trolley clamping device pushes the connecting rod driving device when moving towards the trolley, the connecting rod driving device pushes the connecting rod device, the connecting rod device pushes the positioning block 42 to move towards the universal wheel 61, the end face of the positioning block 42 is pressed on the side face of the universal wheel 61, the universal wheel 61 is fixed, and the universal wheel 61 does not swing in the moving process.
Specifically, the cart connecting device comprises a lifting seat 11 and a connecting seat 13, wherein the lifting seat 11 is L-shaped, the lifting seat 11 is fixed on the height and distance adjusting device on the AGV, the connecting seat 13 is fixed on the lifting seat 11, and the connecting seat 13 is used for being connected with a connecting block on the cart. The cart clamping device comprises a clamping frame 12 and a clamping driving device, the clamping driving device is installed on the AGV, the clamping frame 12 is installed on the clamping driving device, the clamping frame 12 is arranged opposite to the connecting base 13, and the clamping frame 12 clamps the connecting block on the connecting base 13.
The central rotating shaft 43 is installed at the bottom of the elevating base 11 and is located at the end of the bottom of the elevating base 11.
The positioning slide rod 41 is a linear guide rail, the positioning slide rod 41 is fixed on the lifting seat 11, and the positioning block 42 is slidably mounted on the positioning slide rod 41 through a slider.
The link device comprises a first driving link 31, the center of the first driving link 31 is rotatably installed on the central rotating shaft 43, and one end of the first driving link 31 is rotatably connected with the link driving device; a second driving connecting rod 33, the center of the second driving connecting rod 33 is rotatably installed on the central rotating shaft 43, and one end of the second driving connecting rod 33 is rotatably connected with the connecting rod driving device; two first driven connecting rods 32 are arranged, the first driven connecting rods 32 are respectively positioned at two sides of the central rotating shaft 43, and two ends of the first driving connecting rod 31 are respectively rotatably connected with one end of the first driven connecting rod 32; two second driven connecting rods 34 are arranged, the second driven connecting rods 34 are respectively positioned at two sides of the central rotating shaft 43, two ends of the second driving connecting rod 33 are respectively and rotatably connected with one end of the second driven connecting rod 34, and the center of the second driven connecting rod 34 is rotatably connected with the center of the first driven connecting rod 32; four sliding wheels 36 are arranged, and the sliding wheels 36 are respectively fixed at the other ends of the two first driven connecting rods 32 and the other ends of the two second driven connecting rods 34; the sliding plate 35 is provided with two sliding grooves 351 symmetrically, the sliding plate 35 is fixed on the positioning block 42, and the sliding wheels 36 are movably arranged in the sliding grooves 351.
The link driving device drives the first driving link 31 and the second rotating link to rotate around the central rotating shaft 43, the first driving link 31 and the second driving link 33 drive the first driven link 32 and the second driven link 34 to rotate around the center of the first driven link 32, and the first driven link 32 and the second driven link 34 push the sliding plate 35 to move in the sliding groove 351 through the sliding wheel 36, so that the sliding plate 35 is retracted and extended.
The connecting rod driving device comprises two lifting rods 53, and the two lifting rods 53 are symmetrically positioned at two sides of the lifting seat 11; the linear bearing 54, the linear bearing 54 is fixed on the clamping frame 12 of the clamping device of the cart, the lifting rod 53 is movably inserted in the linear bearing 54; the driving slide bar 51 is a linear guide rail, and two ends of the driving slide bar 51 are respectively connected with the two lifting rods 53; and two link driving blocks 52 are arranged, the link driving blocks 52 are slidably mounted on the driving slide rod 51 through sliders and symmetrically positioned at two sides of the central rotating shaft 43, and the link driving blocks 52 are respectively and rotatably connected with one end of the first driving link 31 and one end of the second driving link 33.
The lifting lever 53 lifts the link drive block 52, the drive slide rod 51, the positioning slide rod 41, the positioning block 42, and the link device following the cart connection device.
The clamping frame 12 of the cart clamping device drives the linear bearing 54, the linear bearing 54 drives the lifting rod 53, the lifting rod 53 drives the driving slide rod 51, the driving slide rod 51 drives the connecting rod driving block 52, and the connecting rod driving block 52 is slidably mounted on the driving slide rod 51, so that the connecting rod driving block 52 can push the first driving connecting rod 31 and the second driving connecting rod 33, the extension and retraction of the connecting rod device are realized, and the connecting rod device pushes the positioning block 42 to leave and press the universal wheel 61.
Example two
On the basis of the first embodiment, as shown in fig. 4, the universal wheel 61 is provided with a positioning column 62, and the positioning column 62 is provided with a positioning hole 63; the positioning device also comprises a positioning rod 52, wherein the positioning rod 52 is matched with the positioning hole 63; the positioning seat 51, the positioning seat 51 is fixed on the positioning block 42, the positioning rod 52 is inserted on the positioning seat 51 in a sliding way; and a spring 53, wherein the spring 53 is positioned between the positioning rod 52 and the positioning seat 51, and the spring 53 is configured to press the positioning rod 52 into the positioning hole 63.
The positioning rod 52 is directly inserted into the positioning hole 63 of the positioning column 62, so that the universal wheel 61 can be effectively prevented from swinging in the rolling process. When the positioning block 42 drives the positioning rod 52 to press the universal wheel 61, if the positioning rod 52 is not inserted into the positioning hole 63, the universal wheel 61 rotates when the AGV drives the cart to move, and when the positioning hole 63 is rotated to correspond to the positioning rod 52, the positioning rod 52 is inserted into the positioning hole 63 under the action of the spring 53, so that the universal wheel 61 is fixed.
The positioning column 62 is a metal column, the universal wheel 61 is a plastic wheel, and the positioning column 62 protects the universal wheel 61 and prevents the positioning rod 52 from damaging the universal wheel 61.
Claims (6)
1. A cart universal wheel fixture including a cart interface and a cart clamp both mounted on the AGV, the cart interface configured to interface with a cart, the cart clamp configured to clamp the cart to the cart interface;
it is characterized by also comprising
The positioning sliding rod is fixed on the trolley connecting device;
the positioning blocks are slidably mounted on the positioning slide rods and symmetrically positioned at two ends of the positioning slide rods, and the positioning blocks are arranged opposite to the two universal wheels at the same end of the trolley;
the central rotating shaft is fixed at the center of the positioning sliding rod;
a link device, the center of which is rotatably mounted on the central rotating shaft, both ends of which are respectively connected with the two positioning blocks, the link device being configured to drive the two universal wheels of the positioning block locking cart; and
a link drive movably connected with the cart clamping device, the link drive being rotationally connected with the link device, the link drive being configured to drive the link device.
2. The cart castor fixing device of claim 1,
the connecting rod device comprises
The center of the first driving connecting rod is rotatably arranged on the central rotating shaft, and one end of the first driving connecting rod is rotatably connected with the connecting rod driving device;
the center of the second driving connecting rod is rotatably arranged on the central rotating shaft, and one end of the second driving connecting rod is rotatably connected with the connecting rod driving device;
the two first driven connecting rods are arranged and are respectively positioned on two sides of the central rotating shaft, and two ends of the first driving connecting rod are respectively rotatably connected with one end of the first driven connecting rod;
two second driven connecting rods are arranged, the second driven connecting rods are respectively positioned on two sides of the central rotating shaft, two ends of the second driving connecting rod are respectively and rotatably connected with one end of the second driven connecting rod, and the center of the second driven connecting rod is rotatably connected with the center of the first driven connecting rod;
the four sliding wheels are respectively fixed at the other ends of the two first driven connecting rods and the other ends of the two second driven connecting rods;
the sliding plate is symmetrically provided with two sliding grooves, the sliding plate is fixed on the positioning block, and sliding wheels are movably arranged in the sliding grooves.
3. The cart castor fixing device of claim 2,
the link driving device comprises
The lifting device is fixed on the cart clamping device;
the driving sliding rod is connected with the lifting device;
the two connecting rod driving blocks are arranged, the two connecting rod driving blocks are slidably mounted on the driving slide rod and symmetrically located on two sides of the central rotating shaft, and the two connecting rod driving blocks are respectively connected with one end of the first driving connecting rod and one end of the second driving connecting rod in a rotating mode.
4. The cart castor fixing device of claim 3,
the lifting device comprises
One end of the lifting rod is fixed on the driving slide rod;
the linear bearing is fixed on the cart clamping device, and the lifting rod is movably inserted into the linear bearing.
5. The cart castor fixing device of claim 1,
positioning holes are formed in the universal wheels;
also comprises
The positioning rod is matched with the positioning hole;
the positioning seat is fixed on the positioning block, and the positioning rod is inserted on the positioning seat in a sliding manner;
a spring positioned between the locating stem and the locating seat, the spring configured to press the locating stem into the locating hole.
6. The cart castor fixing device of claim 5,
the universal wheel is characterized by further comprising a positioning column, wherein a positioning hole is formed in the positioning column, and the positioning column is fixed on the universal wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921188324.7U CN210391276U (en) | 2019-07-26 | 2019-07-26 | Fixing device for universal wheel of cart |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921188324.7U CN210391276U (en) | 2019-07-26 | 2019-07-26 | Fixing device for universal wheel of cart |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210391276U true CN210391276U (en) | 2020-04-24 |
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ID=70356719
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921188324.7U Active CN210391276U (en) | 2019-07-26 | 2019-07-26 | Fixing device for universal wheel of cart |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210391276U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110341780A (en) * | 2019-07-26 | 2019-10-18 | 湃思科技（苏州）有限公司 | Cart universal wheel fixes device |
-
2019
- 2019-07-26 CN CN201921188324.7U patent/CN210391276U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110341780A (en) * | 2019-07-26 | 2019-10-18 | 湃思科技（苏州）有限公司 | Cart universal wheel fixes device |
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