CN102294675A - Chain maintenance frock - Google Patents

Chain maintenance frock Download PDF

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Publication number
CN102294675A
CN102294675A CN2011102323136A CN201110232313A CN102294675A CN 102294675 A CN102294675 A CN 102294675A CN 2011102323136 A CN2011102323136 A CN 2011102323136A CN 201110232313 A CN201110232313 A CN 201110232313A CN 102294675 A CN102294675 A CN 102294675A
Authority
CN
China
Prior art keywords
screw mandrel
positioning seat
support
chain
nut sleeve
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN2011102323136A
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Chinese (zh)
Inventor
那春林
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Lifan Technology Group Co Ltd
Original Assignee
Lifan Industry Group Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Lifan Industry Group Co Ltd filed Critical Lifan Industry Group Co Ltd
Priority to CN2011102323136A priority Critical patent/CN102294675A/en
Publication of CN102294675A publication Critical patent/CN102294675A/en
Pending legal-status Critical Current

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Abstract

The invention discloses a chain maintenance frock, wherein a first positioning seat (1) and a second positioning seat (2) are symmetrically arranged at left and right, and both the bottoms of the first positioning seat (1) and the second positioning seat (2) are respectively provided with a claw hook (5); a first support (6) is installed on one positioning seat, a first nut sleeve (7) is installed on the other positioning seat, the first support (6) is rotatably connected with a tensioning lead screw (8), the tensioning lead screw (8) can rotate in situ relative to the first support (6), and the first nut sleeve (7) is matched with the tensioning lead screw (8) through threads. The chain maintenance frock has a simple structure, is convenient and labor saving to operate, the repair and maintenance of a drive chain of a plate link chain production line can be facilitated, the rush repair time of the chain is saved, so guarantee is provided for the normal operation of automobiles.

Description

Chain maintenance frock
Technical field
The invention belongs to technical field of tooling clamps, specifically, particularly be used for the device of chain maintenance.
Background technology
Plate chain production line is car load assembling and a vehicle body adjustment production line commonly used when producing automobile, this class production line scale is big, the line body is long, and is comparatively practical on producing, but is not very convenient when maintenance, maintenance, the particularly maintenance of chain drive-belt, particularly difficulty.Chain drive-belt is to forward power the main driving link of floor chain to from drive motors, and it is mounted in the ring chain below the chain of floor.At the two ends of ring chain circular toothed wheel is arranged, an end is that driving wheel links to each other with drive motors, and the other end is that driven pulley links to each other with chain tensioning device.In order to guarantee that the floor chain moves stably, stretcher has pulling force to whole chain, makes whole chain be in a tension.
At present, when each chain drive-belt to plate chain production line keeps in repair, all need earlier stretcher to be unclamped, keep in repair or maintain operation again.Because the too huge and length issue of chain drive-belt even unclamped stretcher, all is difficult to allow chain be in a relaxed state.When particularly changing chain link, the connection of last two pitch chain is the most difficult, but must the gap of chain be retracted to connection status by bottle gouard moved by hands, not only complex operation, labour intensity are big, and the time that is spent is long, is unfavorable for quick repairing, can influence auto-producing efficient.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of chain simple to operate, that can effectively save the repairing time to keep in repair frock.
Technical scheme of the present invention is as follows: a kind of chain maintenance frock, comprise first positioning seat (1), second positioning seat (2), first support (6), first nut sleeve (7) and tension screw mandrel (8), first positioning seat (1) and second positioning seat (2) are symmetrical set, and are provided with grapple (5) in the bottom of first positioning seat (1) and second positioning seat (2); On a positioning seat first support (6) is installed therein, first nut sleeve (7) is installed on another positioning seat, described first support (6) is rotatably connected with tension screw mandrel (8), tension screw mandrel (8) can rotate relative to first support (6) original place, and described first nut sleeve (7) is passed through threaded engagement with tension screw mandrel (8).
Adopt above technical scheme, when needs are changed or keep in repair chain link, the grapple of first positioning seat and the second positioning seat bottom is inserted in two chains of chain, make two grapples catch on the connection pin of chain, and chain link to be removed is between two grapples, then with hand or pneumatic impact spanner rotation tension screw mandrel, the tension screw mandrel rotates relative to the first support original place, and first nut sleeve axially moves on the tension screw mandrel, shunk the distance of two grapples like this, make two chains between the grapple become lax, can pull down the pin of chain link to be removed this moment, member such as pad and jump ring, not only convenient but also quick.
When needs reconnect chain, the grapple of first positioning seat and the second positioning seat bottom is inserted the two ends of chain gap, reserve the link position of chain, the distance that screw mandrel shrinks two grapples is strained in rotation then, grapple works the effect of tightening up to chain, but make the chain gap be retracted to connection status, load onto members such as pin, pad and jump ring this moment, and the two ends of chain gap are linked together.After connecting, backward rotation tension screw mandrel opens two grapples, the present invention can be taken off from chain.
This shows, when the present invention is used for chain maintenance or maintenance, need not to unclamp stretcher, not only simple, convenient, laborsaving, and also the time that is spent is short, is specially adapted to the quick repairing of chain, thereby has ensured auto-producing efficient.
In order to make compact conformation, convenient processing and assembling, and strengthen the reliability of two grapple work, described first positioning seat (1) and second positioning seat (2) are grooved, described first support (6) is fixedly mounted in the groove of first positioning seat (1), described first nut sleeve (7) is fixedly mounted in the groove of second positioning seat (2), and first support (6) and first nut sleeve (7) are on same horizontal plane.
For the ease of processing and fabricating, reduce production costs, described grapple (5) is structure as a whole with corresponding positioning seat (1 or 2).
Rotate between the tension screw mandrel and first support flexibly in order to make, described first support (6) is rotatably connected by bearing and tension screw mandrel (8).
Assemble for convenience, reduce cost, described first support (6) kink is being strained on the screw mandrel (8), both matched in clearance, and first support (6) is gone up integrally formed boss and is strained the nut axial limiting that screw mandrel (8) is gone up suit by tension screw mandrel (8).
Be provided with the supporting screw mandrel (9) that parallels with it in the top of described tension screw mandrel (8), one end of this supporting screw mandrel (9) and second support (10) are rotatably connected, second support (10) is fixed on second positioning seat (2), the other end and second nut sleeve (11) threaded engagement of supporting screw mandrel (9), this second nut sleeve (11) is hinged on first positioning seat (1).Supporting screw mandrel (9) plays a part to support, and shrinks or open reliability to strengthen two grapples.
For the supporting screw mandrel is rotated flexibly, convenient for assembly simultaneously, reduce cost, described second support (10) is rotatably connected by bearing and supporting screw mandrel (9); Perhaps, second support (10) kink is supporting on the screw mandrel (9), both matched in clearance, and second support (10) is gone up integrally formed boss and is supported the nut axial limiting that screw mandrel (9) is gone up suit by supporting screw mandrel (9).
Beneficial effect: the present invention is simple in structure, operation is not only easy but also laborsaving, can make things convenient for the maintenance of plate chain production line chain drive-belt, saves the repairing time of chain, for auto-producing normally provides guarantee.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Fig. 2 is a stereogram of the present invention, also is user mode figure of the present invention.
The specific embodiment
The invention will be further described below in conjunction with drawings and Examples:
As shown in Figure 1 and Figure 2, the present invention is made of first positioning seat 1, second positioning seat 2, grapple 5, first support 6, first nut sleeve 7, tension screw mandrel 8, parts such as supporting screw mandrel 9, second support 10 and second nut sleeve 11.Wherein, first positioning seat 1 and second positioning seat 2 are the grooved workpiece, and first positioning seat 1 and second positioning seat 2 are symmetrically arranged.The bottom that is formed with grapple 5, the second positioning seats 2 in the bottom of first positioning seat 1 also is formed with 5, two grapples 5 of grapple and is and is symmetrical set, and the bill of two grapples 5 is towards relative direction.
As shown in Figure 1 and Figure 2, hinged first support 6 and second nut sleeve 11 of being equipped with in the groove of first positioning seat 1, wherein first support 6 is positioned at the lower left of second nut sleeve 11.In the groove of described second positioning seat 2, be installed with first nut sleeve 7 and second support 10, first nut sleeve 7 is positioned at the lower right of second support 10, and first nut sleeve 7 and first support 6 are on same horizontal plane, and second support 10 and second nut sleeve 11 are at another horizontal plane.Described first support 6 is rotatably connected with the left end of tension screw mandrel 8, and tension screw mandrel 8 can rotate relative to first support, 6 original places.Described first support 6 can be rotatably connected by bearing and tension screw mandrel 8; First support 6 also can strained on the screw mandrel 8 by kink, both matched in clearance, and first support 6 is by the nut axial limiting of suit on boss integrally formed on the tension screw mandrel 8 and the tension screw mandrel 8.Described first nut sleeve 7 is sleeved on the right-hand member of the screw mandrel 8 that furthers, both threaded engagement.
As can be known, be provided with supporting screw mandrel 9 above tension screw mandrel 8 from Fig. 1, Fig. 2, this supporting screw mandrel 9 parallels with tension screw mandrel 8.The right-hand member of described supporting screw mandrel 9 and second support 10 are rotatably connected, and supporting screw mandrel 9 can rotate relative to second support, 10 original places.Second support 10 can be rotatably connected by bearing and supporting screw mandrel 9; Perhaps, second support, 10 kinks are supporting on the screw mandrel 9, both matched in clearance, and second support 10 is by the nut axial limiting of suit on boss integrally formed on the supporting screw mandrel 9 and the supporting screw mandrel 9.The left end of described supporting screw mandrel 9 passes second nut sleeve 11, passes through threaded engagement between the supporting screw mandrel 9 and second nut sleeve 11.
Operation principle of the present invention is as follows:
When needing the chain drive-belt of connecting plate chain production line, as Fig. 2 and with reference to shown in Figure 1, earlier the present invention is put between the upper strata chain and lower floor's chain of chain drive-belt 3, follow two ends with the grapple 5 insertion chain gaps of first positioning seat 1 and second positioning seat, 2 bottoms, reserve the link position of chain, rotate tension screw mandrel 8 and supporting screw mandrel 9 simultaneously with hand or pneumatic impact spanner then, because tension screw mandrel 8 rotates relative to first support, 6 original places, supporting screw mandrel 9 rotates relative to second support, 10 original places, and first nut sleeve 7 axially moves on tension screw mandrel 8, second nut sleeve 11 axially moves on supporting screw mandrel 9, shunk the distance of two grapples 5 like this, grapple works the effect of tightening up to chain, but make the chain gap be retracted to connection status, load onto pin 4 this moment, members such as pad 12 and jump ring 13 link together the two ends of chain gap.After connecting, backward rotation tension screw mandrel 8 and supporting screw mandrel 9 open two grapples 5, the present invention can be taken off from chain.
When needs disconnect chain, referring to Fig. 1, Fig. 2, earlier the present invention is put between the upper strata chain and lower floor's chain of chain drive-belt 3, then the grapple 5 with first positioning seat 1 and second positioning seat, 2 bottoms inserts in two chains of chain, make two grapples 5 catch on the connection pin of chain, and chain link to be removed is between two grapples, then with hand or pneumatic impact spanner rotation tension screw mandrel 8 and supporting screw mandrel 9, shunk the distance of two grapples 5, make two chains between the grapple 5 become lax, can pull down the pin 4 of chain link to be removed this moment, members such as pad 12 and jump ring 13, not only convenient but also quick.

Claims (8)

1. a chain keeps in repair frock, and it is characterized in that: first positioning seat (1) and second positioning seat (2) are symmetrical set, and are provided with grapple (5) in the bottom of first positioning seat (1) and second positioning seat (2); On a positioning seat first support (6) is installed therein, first nut sleeve (7) is installed on another positioning seat, described first support (6) is rotatably connected with tension screw mandrel (8), tension screw mandrel (8) can rotate relative to first support (6) original place, and described first nut sleeve (7) is passed through threaded engagement with tension screw mandrel (8).
2. chain maintenance frock according to claim 1, it is characterized in that: described first positioning seat (1) and second positioning seat (2) are grooved, described first support (6) is hinged in the groove of first positioning seat (1), described first nut sleeve (7) is fixedly mounted in the groove of second positioning seat (2), and first support (6) and first nut sleeve (7) are on same horizontal plane.
3. chain according to claim 2 maintenance frock is characterized in that: described grapple (5) is structure as a whole with corresponding positioning seat (1 or 2).
4. according to claim 1 or 2 or 3 described chain maintenance frocks, it is characterized in that: described first support (6) is rotatably connected by bearing and tension screw mandrel (8).
5. according to claim 1 or 2 or 3 described chain maintenance frocks, it is characterized in that: described first support (6) kink is on tension screw mandrel (8), both matched in clearance, first support (6) is gone up integrally formed boss and is strained the nut axial limiting that screw mandrel (8) is gone up suit by tension screw mandrel (8).
6. according to claim 1 or 2 or 3 described chain maintenance frocks, it is characterized in that: be provided with the supporting screw mandrel (9) that parallels with it in the top of described tension screw mandrel (8), one end of this supporting screw mandrel (9) and second support (10) are rotatably connected, second support (10) is fixed on second positioning seat (2), the other end and second nut sleeve (11) threaded engagement of supporting screw mandrel (9), this second nut sleeve (11) is hinged on first positioning seat (1).
7. chain maintenance frock according to claim 6, it is characterized in that: described second support (10) is rotatably connected by bearing and supporting screw mandrel (9).
8. chain maintenance frock according to claim 6, it is characterized in that: described second support (10) kink is on supporting screw mandrel (9), both matched in clearance, second support (10) is gone up integrally formed boss and is supported the nut axial limiting that screw mandrel (9) is gone up suit by supporting screw mandrel (9).
CN2011102323136A 2011-08-15 2011-08-15 Chain maintenance frock Pending CN102294675A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2011102323136A CN102294675A (en) 2011-08-15 2011-08-15 Chain maintenance frock

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2011102323136A CN102294675A (en) 2011-08-15 2011-08-15 Chain maintenance frock

Publications (1)

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CN102294675A true CN102294675A (en) 2011-12-28

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113334305A (en) * 2021-07-06 2021-09-03 河南中烟工业有限责任公司 Quick chain dismounting device
CN113695511A (en) * 2020-05-22 2021-11-26 中冶宝钢技术服务有限公司 Maintenance method and auxiliary tool for driving chain on circular cooler

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1929026A (en) * 1930-11-28 1933-10-03 Aldore F Marcil Chain tightening device
US2917893A (en) * 1958-01-17 1959-12-22 Merle K Kausche Sprocket chain link connector and disconnector with means to slacken chain tension
US6032455A (en) * 1999-06-18 2000-03-07 Reimann; Richard Device to hold roller chain
CN201632993U (en) * 2010-03-25 2010-11-17 浙江中烟工业有限责任公司 Roller chain installing device
CN202241149U (en) * 2011-08-15 2012-05-30 力帆实业(集团)股份有限公司 Maintenance tool for driving chain of plate link chain production line

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1929026A (en) * 1930-11-28 1933-10-03 Aldore F Marcil Chain tightening device
US2917893A (en) * 1958-01-17 1959-12-22 Merle K Kausche Sprocket chain link connector and disconnector with means to slacken chain tension
US6032455A (en) * 1999-06-18 2000-03-07 Reimann; Richard Device to hold roller chain
CN201632993U (en) * 2010-03-25 2010-11-17 浙江中烟工业有限责任公司 Roller chain installing device
CN202241149U (en) * 2011-08-15 2012-05-30 力帆实业(集团)股份有限公司 Maintenance tool for driving chain of plate link chain production line

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113695511A (en) * 2020-05-22 2021-11-26 中冶宝钢技术服务有限公司 Maintenance method and auxiliary tool for driving chain on circular cooler
CN113695511B (en) * 2020-05-22 2023-09-19 中冶宝钢技术服务有限公司 Maintenance method and auxiliary tool for driving chain on annular cooler
CN113334305A (en) * 2021-07-06 2021-09-03 河南中烟工业有限责任公司 Quick chain dismounting device
CN113334305B (en) * 2021-07-06 2024-03-19 河南中烟工业有限责任公司 Quick chain dismounting device

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Application publication date: 20111228