CN214327010U - Jacking device for bidirectional transmission of screw rod - Google Patents
Jacking device for bidirectional transmission of screw rod Download PDFInfo
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- CN214327010U CN214327010U CN202120071011.4U CN202120071011U CN214327010U CN 214327010 U CN214327010 U CN 214327010U CN 202120071011 U CN202120071011 U CN 202120071011U CN 214327010 U CN214327010 U CN 214327010U
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- screw rod
- pull rod
- gear
- bottom plate
- support rods
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Abstract
The utility model relates to a jacking device with bidirectional transmission of a screw rod, which comprises a bottom plate and a slewing bearing; the slewing bearing is arranged above the bottom plate, at least three support rods are arranged between the slewing bearing and the bottom plate, the upper ends of the support rods are hinged with the slewing bearing, the lower ends of the support rods are slidably mounted on the bottom plate, all the support rods are divided into a left group and a right group which are opposite, the support rods of the left group are connected through a left screw rod pull rod, the support rods of the right group are connected through a right screw rod pull rod, a screw rod is rotatably mounted between the left screw rod pull rod and the right screw rod pull rod which are opposite, the left end of the screw rod passes through the left screw rod pull rod and is in positive threaded connection with the left screw rod pull rod, the right end of the screw rod passes through the right screw rod pull rod and is in reverse threaded connection with the right screw rod pull rod, the screw rod rotates, the left screw rod pull rod and the right screw rod pull rod move in opposite directions, and the slewing bearing goes up and down; simple and compact structure, and stable lifting of the slewing bearing.
Description
Technical Field
The utility model relates to a jacking device, concretely relates to two-way driven jacking device of lead screw.
Background
With the gradual development of factory automation and computer integrated manufacturing system technology and the wide application of flexible manufacturing systems and automated stereoscopic warehouses, the AGV is used as a necessary automatic handling and loading and unloading means for linking and adjusting the discrete logistics management system to ensure the continuous operation of the discrete logistics management system, and the application range and the jacking rotation technical level of the AGV are rapidly developed.
At present, a jacking and rotating device of an AGV mainly comprises a fixed shaft rotating mechanism and an electro-hydraulic driving mechanism. The fixed shaft rotating mechanism has a complex structure and is difficult to install and maintain in later period; the electro-hydraulic driving mechanism is easy to leak oil, poor in self-locking performance and prone to side rollover under the condition of unbalance loading.
Disclosure of Invention
In order to solve the problem, the utility model provides a two-way driven jacking device of lead screw.
The technical scheme of the utility model:
a jacking device with a screw rod in bidirectional transmission comprises a bottom plate and a slewing bearing; the slewing bearing is arranged above the bottom plate, at least three support rods are arranged between the slewing bearing and the bottom plate, the upper ends of the support rods are hinged with the slewing bearing, the lower ends of the support rods are slidably mounted on the bottom plate, all the support rods are divided into a left group and a right group which are opposite, the support rods of the left group are connected through a left screw rod pull rod, the support rods of the right group are connected through a right screw rod pull rod, a screw rod is rotatably mounted between the left screw rod pull rod and the right screw rod pull rod which are opposite, the left end of the screw rod passes through the left screw rod pull rod and is in positive threaded connection with the left screw rod pull rod, the right end of the screw rod passes through the right screw rod pull rod and is in reverse threaded connection with the right screw rod pull rod, the screw rod rotates, the left screw rod pull rod and the right screw rod pull rod move in opposite directions, and the slewing bearing goes up and down; preferably, the lifting distance of the slewing bearing is 50-100 mm.
The bottom plate is fixedly provided with a motor, and the motor is connected with a screw rod and drives the screw rod to rotate.
The bottom plate is fixedly connected with a gear rack, and the gear rack is positioned between the left screw rod pull rod and the right screw rod pull rod; the screw rod is formed by connecting a left screw rod and a right screw rod, a screw rod gear is arranged at the joint of the left screw rod and the right screw rod, the screw rod gear is rotatably installed on the gear rack, and the screw rod gear is respectively sleeved on the left screw rod and the right screw rod and is connected with the screw rod gear, the left screw rod and the right screw rod through a nut; the motor is fixedly arranged on the gear rack, a gear is sleeved on an output shaft of the motor, and the gear is meshed with the screw rod gear.
The two ends of the left screw rod pull rod and the right screw rod pull rod are respectively sleeved with a rolling bearing, the rolling bearings are supported on the bottom plate and roll on the bottom plate along with the left screw rod pull rod and the right screw rod move in opposite directions, the lower ends of the support rods of the left group are sleeved on the left screw rod pull rod and are respectively in rotating fit with the left screw rod pull rod, and the lower ends of the support rods of the right group are sleeved on the right screw rod pull rod and are respectively in rotating fit with the right screw rod pull rod.
The bottom plate is also fixedly connected with four channel steels, and a channel for accommodating rolling of the rolling bearing is formed between the channel steels and the bottom plate; the rolling bearings are arranged in the groove channels in a one-to-one correspondence mode and roll in the groove channels.
Still be provided with in the channel-section steel and hold the little channel that left lead screw pull rod or right lead screw pull rod axle head stretched into and removed.
Four corners of the lower end of a rib plate of an outer ring of the slewing bearing are respectively and fixedly connected with a supporting seat; the supporting rods are four in number, and the left group and the right group are two in number, correspond to each other one by one and are connected with the supporting seat through pin shafts to form four-point support.
The outer ring of the rotary bearing is sleeved with an outer gear ring, a supporting gear is rotatably arranged on the outer ring of the rotary shaft, and the supporting gear is meshed with the outer gear ring and is connected with a supporting motor fixedly arranged on the rotary bearing.
The included angle between the support rods and the center line of the support seat is larger than 10 degrees, and the support rods of the left group and the support rods of the right group are in a splayed shape.
The contact surface of the groove channel and the upper end of the rolling bearing is an inclined surface.
The utility model has the advantages of reasonable design, simple and compact structure, strong self-locking property and stable lifting of the slewing bearing; the rolling bearing can bear the unbalance loading force during lifting in the channel and prevent side turning.
Drawings
Fig. 1 is a perspective view of a jacking device with a screw rod in bidirectional transmission.
Fig. 2 is a front view of the jacking device with the screw rod in bidirectional transmission.
Fig. 3 is a side view of the jacking device with the screw rod in bidirectional transmission.
Fig. 4 is a schematic sectional view taken along the direction of fig. 3A-a.
Fig. 5 is a schematic sectional view taken along the direction of fig. 3B-B.
In the figure, a bottom plate 1, a slewing bearing 2, a support rod 3, a left screw rod pull rod 4, a right screw rod pull rod 5, a screw rod 6, a left screw rod 6-1, a right screw rod 6-2, a screw rod gear 6-3, a nut 6-4, a motor 7, a gear rack 8, a rolling bearing 9, a channel steel 10, a support seat 11, an outer gear ring 12, a support gear 13 and a support motor 14 are arranged.
Detailed Description
As shown in fig. 1-5, a screw rod bidirectional transmission jacking device comprises a bottom plate 1 and a slewing bearing 2; four corners of the lower end of an outer ring rib plate of the slewing bearing 2 are respectively and fixedly connected with a supporting seat 11; the rotary support 2 is arranged above the bottom plate 1, four support rods 3 are arranged between the rotary support 2 and the bottom plate 1, the upper ends of the support rods 3 are hinged with the rotary support 2, the lower ends of the support rods are slidably arranged on the bottom plate 1, all the support rods 3 are divided into a left group and a right group which are opposite, the left group and the right group are respectively provided with two support rods, the two support rods are in one-to-one correspondence and are connected with the support seat 11 through pin shafts to form a four-point support, the support rods 3 of the left group are connected through a left screw rod pull rod 4, the support rods 3 of the right group are connected through a right screw rod pull rod 5, a screw rod 6 is rotatably arranged between the left screw rod pull rod 4 and the right screw rod pull rod 5, the left end of the screw rod 6 passes through the left screw rod pull rod 4 and is in positive thread connection with the left screw rod pull rod 4, and the right end of the screw rod 6 passes through the right screw rod pull rod 5 and is in reverse thread connection with the right screw rod pull rod 5, the screw rod 6 rotates, the left screw rod pull rod 4 and the right screw rod pull rod 5 move oppositely, and the slewing bearing 2 is lifted; the bottom plate 1 is fixedly provided with a motor 7, and the motor 7 is connected with a screw rod 6 and drives the screw rod 6 to rotate; the bottom plate 1 is fixedly connected with a gear rack 8, and the gear rack 8 is positioned between the left screw rod pull rod 4 and the right screw rod pull rod 5; the screw rod 6 is formed by connecting a left screw rod 6-1 and a right screw rod 6-2, a screw rod gear 6-3 is arranged at the joint of the left screw rod 6-1 and the right screw rod 6-2, the screw rod gear 6-3 is rotatably arranged on a gear rack 8, the screw rod gear 6-3 is respectively sleeved on the left screw rod 6-1 and the right screw rod 6-2 and is connected with the screw rod gear 6-3, the left screw rod 6-1 and the right screw rod 6-2 through a combining cap 6-4; the motor 7 is fixedly arranged on the gear rack 8, and an output shaft of the motor is sleeved with a gear which is in meshed connection with the screw rod gear 6-1; the two ends of the left screw rod pull rod 4 and the right screw rod pull rod 5 are respectively sleeved with a rolling bearing 9, the rolling bearings 9 are supported on the bottom plate 1 and roll on the bottom plate 1 along with the opposite movement of the left screw rod pull rod 4 and the right screw rod pull rod 5, the lower ends of the support rods 3 of the left group are sleeved on the left screw rod pull rod 4 and are respectively in rotary fit with the left screw rod pull rod 4, and the lower ends of the support rods 3 of the right group are sleeved on the right screw rod pull rod 5 and are respectively in rotary fit with the right screw rod pull rod 5; the bottom plate 1 is also fixedly connected with four channel steels 10, and a channel for accommodating rolling of the rolling bearing 9 is formed by the channel steels 10 and the bottom plate 1; the rolling bearings 9 are arranged in the groove channels in a one-to-one correspondence manner and roll in the groove channels; a small channel for accommodating the shaft end of the left screw rod pull rod 4 or the shaft end of the right screw rod pull rod 5 to stretch into and move is further arranged in the channel steel 10; four corners of the lower end of an outer ring rib plate of the slewing bearing 2 are respectively and fixedly connected with a supporting seat 11; an outer gear ring 12 is sleeved on the periphery of the inner ring of the slewing bearing 2, a supporting gear 13 is rotatably mounted on the outer ring of the slewing bearing 2, and the supporting gear 13 is meshed with the outer gear ring 12 and is connected with a supporting motor 14 fixedly mounted on the slewing bearing 2; the included angle between the support rods 3 and the central line of the support seat 11 is more than 10 degrees, and the support rods 3 of the left group and the right group are in a splayed shape; the contact surface of the groove channel and the upper end of the rolling bearing 9 is an inclined surface.
The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose of the embodiments is to enable people skilled in the art to understand the contents of the present invention and to implement the present invention, which cannot limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.
Claims (10)
1. A jacking device with a screw rod in bidirectional transmission comprises a bottom plate and a slewing bearing; the rotary support is arranged above the bottom plate, at least three support rods are arranged between the rotary support and the bottom plate, the upper ends of the support rods are hinged to the rotary support, the lower ends of the support rods are slidably mounted on the bottom plate, all the support rods are divided into a left group and a right group which are opposite, the support rods of the left group are connected through a left screw rod pull rod, the support rods of the right group are connected through a right screw rod pull rod, a screw rod is rotatably mounted between the left screw rod pull rod and the right screw rod pull rod in an opposite mode, the left end of the screw rod penetrates through the left screw rod pull rod and is in positive threaded connection with the left screw rod pull rod, the right end of the screw rod penetrates through the right screw rod pull rod and is in reverse threaded connection with the right screw rod pull rod, the screw rod rotates, the left screw rod pull rod and the right screw rod pull rod move in opposite directions, and the rotary support goes up and down.
2. The jacking device with the bidirectional transmission of the screw rod as claimed in claim 1, wherein a motor is fixedly mounted on the bottom plate, and the motor is connected with the screw rod and drives the screw rod to rotate.
3. The jacking device with the bidirectional transmission of the screw rod as claimed in claim 2, wherein the bottom plate is fixedly connected with a gear rack, and the gear rack is positioned between the left screw rod pull rod and the right screw rod pull rod; the screw rod is formed by connecting a left screw rod and a right screw rod, a screw rod gear is arranged at the joint of the left screw rod and the right screw rod, the screw rod gear is rotatably installed on the gear rack, and the screw rod gear is respectively sleeved on the left screw rod and the right screw rod and is connected with the screw rod gear, the left screw rod and the right screw rod through a nut; the motor is fixedly arranged on the gear rack, a gear is sleeved on an output shaft of the motor, and the gear is meshed with the screw rod gear.
4. The jacking device with bidirectional screw transmission according to claim 1, wherein rolling bearings are respectively sleeved at two ends of the left screw rod and the right screw rod, the rolling bearings are supported on the bottom plate and roll on the bottom plate along with the movement of the left screw rod and the right screw rod in opposite directions, the lower ends of the left group of support rods are sleeved on the left screw rod and are respectively in rotating fit with the left screw rod, and the lower ends of the right group of support rods are sleeved on the right screw rod and are respectively in rotating fit with the right screw rod.
5. The jacking device with the bidirectional transmission of the screw rod as claimed in claim 4, wherein four channel steels are fixedly connected to the bottom plate, and a channel for accommodating rolling bearings is formed between the channel steels and the bottom plate; the rolling bearings are arranged in the groove channels in a one-to-one correspondence mode and roll in the groove channels.
6. The jacking device with the bidirectional transmission of the screw rod as claimed in claim 5, wherein a small channel for accommodating the shaft end of the left screw rod pull rod or the right screw rod pull rod to extend into and move is further arranged in the channel steel.
7. The jacking device with the bidirectional transmission of the screw rod as claimed in claim 1, wherein four corners of the lower end of the rib plate of the outer ring of the slewing bearing are respectively and fixedly connected with a supporting seat; the supporting rods are four in number, and the left group and the right group are two in number, correspond to each other one by one and are connected with the supporting seat through pin shafts to form four-point support.
8. The jacking device with the bidirectional transmission of the screw rod as claimed in claim 1, wherein the outer ring gear is sleeved on the outer circumference of the inner ring of the rotary bearing, a supporting gear is rotatably mounted on the outer ring of the rotary shaft, and the supporting gear is engaged with the outer ring gear and is connected with a supporting motor fixedly mounted on the rotary support.
9. The jacking device with the bidirectional transmission of the screw rod as claimed in claim 7, wherein the included angle between the support rods and the center line of the support seat is greater than 10 °, and the support rods of the left group and the right group are in a shape of a Chinese character 'ba'.
10. The jacking device with the bidirectional transmission of the screw rod as claimed in claim 5, wherein the contact surface of the groove channel and the upper end of the rolling bearing is an inclined surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120071011.4U CN214327010U (en) | 2021-01-12 | 2021-01-12 | Jacking device for bidirectional transmission of screw rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120071011.4U CN214327010U (en) | 2021-01-12 | 2021-01-12 | Jacking device for bidirectional transmission of screw rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214327010U true CN214327010U (en) | 2021-10-01 |
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ID=77910430
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120071011.4U Active CN214327010U (en) | 2021-01-12 | 2021-01-12 | Jacking device for bidirectional transmission of screw rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214327010U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112537732A (en) * | 2021-01-12 | 2021-03-23 | 江苏万达特种轴承有限公司 | Jacking device for bidirectional transmission of screw rod |
-
2021
- 2021-01-12 CN CN202120071011.4U patent/CN214327010U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112537732A (en) * | 2021-01-12 | 2021-03-23 | 江苏万达特种轴承有限公司 | Jacking device for bidirectional transmission of screw rod |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 226500 No.189, South Yishou Road, Rucheng Town, Rugao City, Nantong City, Jiangsu Province Patentee after: Jiangsu Wanda Special Bearing Co.,Ltd. Address before: 226500 No.189, South Yishou Road, Rucheng Town, Rugao City, Nantong City, Jiangsu Province Patentee before: JIANGSU WANDA SPECIAL BEARING Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CP02 | Change in the address of a patent holder |
Address after: 226500 No. 333, Fushou East Road, Rucheng street, Rugao City, Nantong City, Jiangsu Province Patentee after: Jiangsu Wanda Special Bearing Co.,Ltd. Address before: 226500 No.189, South Yishou Road, Rucheng Town, Rugao City, Nantong City, Jiangsu Province Patentee before: Jiangsu Wanda Special Bearing Co.,Ltd. |
|
| CP02 | Change in the address of a patent holder |