CN-117359242-B - Telescopic supporting leg assembly production line

Abstract

The invention belongs to the field of telescopic support leg assembly, and discloses a telescopic support leg assembly production line, which can sequentially sleeve a telescopic cylinder in a telescopic support leg and support legs (two or more stages of support legs) from inside to outside through a telescopic cylinder sleeve mounting machine, at least one support leg sleeve mounting machine and a transfer system. In the whole assembly process, each sleeving procedure is automatically executed by a corresponding sleeving machine, and two positioning mechanisms capable of moving towards each other are arranged in the sleeving machine so as to realize high-precision alignment and sleeving, thereby avoiding damage and clamping stagnation of the paint surface of the workpiece during sleeving and improving the assembly quality. In addition, the transfer system is utilized to realize the transfer of workpieces among different sleeving procedures, so that the automation degree of the production line is higher, the labor intensity of workers can be reduced, the risk of physical strain is reduced, and the operation safety is improved.

Inventors

• LEI BAO
• CHEN LIN
• Tao Huayun
• CAO YUQI
• ZHANG YANLING

Assignees

• 中联重科股份有限公司

Dates

Publication Date

20260508

Application Date

20220630

Claims (16)

1. 1. The utility model provides a flexible landing leg assembly line, its characterized in that, flexible landing leg assembly line (100) set up to can carry out multistep suit process in order to suit telescopic cylinder (204) and the landing leg at every level in flexible landing leg (200) in proper order from inside to outside in proper order to include: A telescopic cylinder liner machine (108) comprising a telescopic cylinder positioning mechanism (108 a) capable of positioning a telescopic cylinder (204) and a final stage leg positioning mechanism (108 b) capable of positioning a final stage leg, the telescopic cylinder positioning mechanism (108 a) and the final stage leg positioning mechanism (108 b) being arranged in a spaced opposition and being capable of moving towards each other so that the telescopic cylinder (204) can nest into the final stage leg to form a rear stage leg assembly to be involved in a next nesting procedure; At least one leg sheathing machine (109), each leg sheathing machine (109) comprising a rear-stage leg assembly positioning mechanism (109 a) capable of positioning a rear-stage leg assembly formed after the completion of the previous step of the sheathing process and a front-stage leg positioning mechanism (109 b) capable of positioning a front-stage leg positioned at a front stage of the rear-stage leg assembly in the telescopic leg (200), the front-stage leg positioning mechanism (109 b) and the rear-stage leg assembly positioning mechanism (109 a) being opposed at intervals and arranged to be capable of moving relatively toward each other so that the rear-stage leg assembly can be sheathed into the front-stage leg, and A transfer system configured to be able to transfer a telescopic cylinder (204) and a final stage leg into the telescopic cylinder positioning mechanism (108 a) and the final stage leg positioning mechanism (108 b), respectively, and to be able to transfer a rear stage leg assembly and a front stage leg into the rear stage leg assembly positioning mechanism (109 a) and the front stage leg positioning mechanism (109 b) of the same leg sheathing machine (109), respectively; The transfer system comprises a telescopic cylinder split charging conveyor (106) and a supporting leg split charging conveyor (107), wherein the telescopic cylinder split charging conveyor (106) is provided with a telescopic cylinder input position and a cylinder accessory assembly position which are sequentially arranged along the conveying direction, and the supporting leg split charging conveyor (107) is provided with a supporting leg input position and a supporting leg accessory assembly position which are sequentially arranged along the conveying direction; Wherein the telescopic cylinder racking conveyor (106) is arranged to be able to convey a telescopic cylinder (204) input from the telescopic cylinder input position to the cylinder attachment mounting position to enable the telescopic cylinder (204) to mount a cylinder attachment at the cylinder attachment mounting position prior to transfer to the telescopic cylinder positioning mechanism (108 a); The transfer system comprises program-controlled transfer equipment which can transfer a rear-stage supporting leg assembly formed after the previous sleeving procedure is executed to a rear-stage supporting leg assembly positioning mechanism (109 a) participating in the next sleeving procedure; The telescopic cylinder liner machine (108) comprises a telescopic cylinder model identification device capable of identifying a telescopic cylinder model of a telescopic cylinder (204) in the telescopic cylinder positioning mechanism (108 a), a second support leg model identification device capable of identifying a support leg model of a final support leg in the final support leg positioning mechanism (108 b), and a second processing device stored with a preset model matching relationship, wherein the second processing device is communicated with the telescopic cylinder model identification device and the second support leg model identification device, and the second processing device is arranged to be capable of determining that the telescopic cylinder model and the support leg model accord with the model matching relationship so as to control the telescopic cylinder positioning mechanism (108 a) and the final support leg positioning mechanism (108 b) to move relatively towards each other.
2. 2. The telescopic leg assembly line according to claim 1, wherein the transfer system comprises a programmed transfer device capable of transferring a telescopic cylinder (204) equipped with a cylinder attachment on the telescopic cylinder racking conveyor (106) into the telescopic cylinder positioning mechanism (108 a).
3. 3. The telescopic leg assembly line according to claim 1, wherein the telescopic cylinder racking conveyor (106) is arranged to be able to convey telescopic cylinders (204) equipped with cylinder attachments into the telescopic cylinder positioning mechanism (108 a).
4. 4. The telescopic leg assembly line according to claim 1, wherein the transfer system comprises a programmed transfer device capable of transferring a telescopic cylinder (204) to the telescopic cylinder input position.
5. 5. The telescopic leg assembly line according to claim 1, wherein the transfer system comprises a programmed transfer device capable of transferring a leg equipped with a leg attachment on the leg racking conveyor (107) to a corresponding leg positioning mechanism.
6. 6. The telescopic leg assembly line according to claim 1, wherein the transfer system comprises a plurality of leg racking conveyors (107) arranged in one-to-one correspondence with each stage of legs in the telescopic legs (200), at least one of the leg racking conveyors (107) being arranged to be able to convey a leg equipped with a leg attachment into a corresponding leg positioning mechanism.
7. 7. The telescopic leg assembly line according to claim 6, wherein at least one of the leg positioning mechanisms capable of feeding the legs equipped with leg attachments from the leg racking conveyor (107) is formed as a positioning and post-set push-out mechanism arranged to participate in performing a non-final set procedure, the leg racking conveyor (107) capable of conveying the legs equipped with leg attachments into the positioning and post-set push-out mechanism being formed as a racking and trans-set procedure conveyor; The positioning and sleeving rear pushing mechanism is arranged to push out the rear support leg assembly assembled in the current sleeving process to the split charging and sleeving process conveyor, and the split charging and sleeving process conveyor is arranged to further convey the rear support leg assembly pushed out from the positioning and sleeving rear pushing mechanism to the rear support leg assembly positioning mechanism (109 a) participating in the next sleeving process along the conveying direction.
8. 8. The telescopic leg assembly line according to claim 1, characterized in that the telescopic leg assembly line (100) comprises a stereoscopic warehouse capable of storing and retrieving each stage of legs in telescopic legs (200), the transfer system being arranged to transfer legs retrieved from the stereoscopic warehouse to the leg input location.
9. 9. The telescopic leg assembly line according to claim 8, wherein the telescopic leg assembly line (100) comprises a production execution system capable of storing production plans for a plurality of models of telescopic legs (200) and capable of outputting a plurality of the production plans alternatively outwards, the stereoscopic warehouse being in communication with the production execution system and arranged to be able to bring out each stage of legs of a corresponding model of telescopic legs (200) according to the production plans.
10. 10. The telescopic leg assembly line according to claim 9, wherein the transfer system comprises a transfer actuator, a first leg model identification device and a first processing device, the first processing device in communication with the first leg model identification device and the production actuator, the first leg model identification device configured to be able to identify a leg model of a leg called out by the stereoscopic warehouse, the first processing device configured to be able to determine that the leg model complies with the production plan to control the transfer actuator to transfer the leg called out by the stereoscopic warehouse to the leg input location.
11. 11. The telescopic leg assembly line according to claim 10, wherein the first processing device is in communication with the stereoscopic warehouse, the first processing device being arranged to be able to determine that the leg model does not conform to the production plan to generate and send a call-out error signal to the stereoscopic warehouse, the stereoscopic warehouse being arranged to be able to restore a wrong call-out leg in accordance with the call-out error signal and to retrieve the corresponding leg in accordance with the production plan.
12. 12. The telescopic leg assembly line according to claim 8, wherein the transfer system comprises a programmed transfer device capable of transferring the legs retrieved from the stereoscopic warehouse to the leg input location.
13. 13. The telescopic leg assembly line according to claim 1, wherein the second processing device is arranged to be able to determine that the telescopic cylinder model and the leg model do not correspond to the model matching relationship to control the telescopic cylinder liner machine (108) to issue a false match signal.
14. 14. The telescopic leg assembly line according to claim 1, wherein the leg jacketing machine (109) comprises a third leg model identification device capable of identifying a front leg model of a front leg of the front leg positioning mechanism (109 b), a fourth leg model identification device capable of identifying a rear leg assembly model of a rear leg assembly of the rear leg assembly positioning mechanism (109 a), and a third processing device storing a preset model matching relationship, the third processing device being in communication with the third leg model identification device and the fourth leg model identification device, the third processing device being arranged to be able to determine that the front leg model and the rear leg assembly model conform to the model matching relationship to control a relative movement of the front leg positioning mechanism (109 b) and the rear leg assembly positioning mechanism (109 a) towards each other.
15. 15. The telescopic leg assembly line according to claim 14, wherein the third processing device is configured to determine that the front stage leg model and the rear stage leg assembly model do not meet the model matching relationship to control the leg fitting machine (109) to issue a false match signal.
16. 16. Telescopic leg assembly line according to any of claims 1 to 15, characterized in that the transfer system comprises a telescopic leg conveyor (111), that the pre-stage leg positioning mechanism (109 b) participating in the last step of the nesting procedure is docked with the input end of the telescopic leg conveyor (111) and is provided with a telescopic leg pushing mechanism capable of pushing out the assembled telescopic leg (200) to the input end of the telescopic leg conveyor (111).

Description

Telescopic supporting leg assembly production line Technical Field The invention relates to the technical field of telescopic support leg assembly, in particular to a telescopic support leg assembly production line. Background The existing concrete pump truck, crane and the like need to support the truck body by using the support legs during construction so as to ensure stable pumping and distribution, and the support legs can be telescopic support legs in two states of extension and contraction. For example, referring to the telescopic leg 200 shown in fig. 2 and 3, it includes a telescopic cylinder 204, a primary leg 201, a secondary leg 202 and a tertiary leg 203 which are sequentially sleeved from inside to outside, and the telescopic cylinder 204 can drive the primary leg 201, the secondary leg 202 and the tertiary leg 203 to extend or retract by driving of a hydraulic system. At present, the telescopic support leg is generally assembled and formed by a station method. Taking the telescopic support leg 200 as an example, the sleeving procedures of sleeving parts of the telescopic cylinder 204, the primary support leg 201, the secondary support leg 202 and the tertiary support leg 203 are respectively carried out on different stations, when a certain sleeving procedure is executed, two sleeving parts needing to be adjacently sleeved are aligned by means of manual visual inspection and supporting, and then one sleeving part is forcibly pushed into the other sleeving part by means of a forklift. However, the above sleeving procedure requires manual visual inspection and supporting to align the two sleeving parts, so that the degree of dependence on manual skill is high, and the assembly precision cannot be effectively ensured. If the sleeve component is forcibly pushed in under the condition of inaccurate alignment, hidden hazards such as paint damage, sleeve clamping stagnation and the like exist. In addition, because the suit part is a large workpiece, a plurality of people are required to cooperatively support and align in the suit process, the labor intensity is high, certain potential safety hazards exist, and the body strain is easy to cause. Disclosure of Invention Aiming at the defects or shortcomings in the prior art, the invention provides a telescopic support leg assembly production line which can automatically execute each sleeving procedure of the telescopic support legs, realize high-precision alignment and sleeving, and achieve the purposes of improving assembly quality, reducing manual labor intensity, improving safety and the like. In order to achieve the above object, the present invention provides a telescopic leg assembling line capable of sequentially performing a multi-step sleeving process to sequentially sleeve a telescopic cylinder and each stage of legs in a telescopic leg from inside to outside, comprising: The telescopic cylinder sleeve mounting machine comprises a telescopic cylinder positioning mechanism capable of positioning a telescopic cylinder and a final stage support leg positioning mechanism capable of positioning a final stage support leg, wherein the telescopic cylinder positioning mechanism and the final stage support leg positioning mechanism are oppositely arranged at intervals and can move relatively towards each other, so that the telescopic cylinder can be sleeved in the final stage support leg to form a rear stage support leg assembly to be involved in the next sleeving procedure; At least one leg fitting machine, each leg fitting machine comprising a rear-stage leg assembly positioning mechanism capable of positioning a rear-stage leg assembly formed after the completion of the previous step of fitting process and a front-stage leg positioning mechanism capable of positioning a front-stage leg located at a front stage of the rear-stage leg assembly in the telescopic leg, the front-stage leg positioning mechanism and the rear-stage leg assembly positioning mechanism being opposed at intervals and arranged to be capable of relative movement toward each other so that the rear-stage leg assembly can be fitted into the front-stage leg, and And the transfer system is arranged to be capable of transferring the telescopic cylinder and the final-stage supporting leg to the telescopic cylinder positioning mechanism and the final-stage supporting leg positioning mechanism respectively, and transferring the rear-stage supporting leg assembly and the front-stage supporting leg to the rear-stage supporting leg assembly positioning mechanism and the front-stage supporting leg positioning mechanism of the same supporting leg sleeving machine respectively. Optionally, the transfer system comprises a telescopic cylinder split charging conveyor and a supporting leg split charging conveyor, wherein the telescopic cylinder split charging conveyor is provided with a telescopic cylinder input position and a cylinder accessory assembly position which are sequentially arranged along