CN212893527U - Online adjusting device of overhead traveling crane track - Google Patents
Online adjusting device of overhead traveling crane track Download PDFInfo
- Publication number
- CN212893527U CN212893527U CN202020361950.8U CN202020361950U CN212893527U CN 212893527 U CN212893527 U CN 212893527U CN 202020361950 U CN202020361950 U CN 202020361950U CN 212893527 U CN212893527 U CN 212893527U
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- Prior art keywords
- sleeve
- bearing
- spring
- fork head
- adjusting screw
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- Expired - Fee Related
Links
- 102000004315 Forkhead Transcription Factors Human genes 0.000 claims description 15
- 108090000852 Forkhead Transcription Factors Proteins 0.000 claims description 15
- 230000035929 gnawing Effects 0.000 abstract description 8
- 230000008901 benefit Effects 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000012423 maintenance Methods 0.000 abstract 1
- 238000003466 welding Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
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- Carriers, Traveling Bodies, And Overhead Traveling Cranes (AREA)
Abstract
The utility model relates to an online adjusting device of overhead traveling crane track belongs to hoisting equipment technical field. Including adjusting screw (1), adjusting nut (2), blind flange (3), sleeve (4), spring (5), bearing housing (6), jaw (7), bearing (8), retaining ring (9), round pin axle (10), circlip (11), first guide post (12), this device simple structure, the cost of manufacture is low, the part is easily changed, the condition that the wheel takes place the skew for the track has been improved greatly, the emergence of gnawing the condition has been reduced, wheel and orbital life has been improved, spare part cost has been practiced thrift, maintenance cost has been reduced, the good operation of overhead traveling crane has been guaranteed, the benefit is considerable.
Description
Technical Field
The utility model relates to an online adjusting device of overhead traveling crane track belongs to hoisting equipment technical field.
Background
A crown block is a gantry crane in which the gantry travels on overhead rails. The overhead travelling crane generally comprises a bridge (also called a cart), a trolley, a lifting mechanism and the like, wherein the bridge runs longitudinally along rails laid on the elevated frames on two sides, the trolley runs transversely along the rails laid on the bridge, the cart and the trolley form a rectangular working range, ground materials are lifted by the lifting mechanism without being hindered by ground equipment, the overhead travelling crane is an important tool and equipment for realizing mechanization and automation in modern industrial production and lifting transportation, and the rail gnawing of wheels is the most common and the most difficult fault of the overhead travelling crane. The so-called gnawing rail means that the rim of the wheel is contacted with the side surface of the rail in the running process of the crane cart or trolley, horizontal lateral thrust is generated, and friction between the rim and the rail is caused. Gnawing the rail and can reduce the life of wheel, track greatly, can appear the wheel rim when serious and climb the rail top, cause the derailment, take place the personal or equipment accident. There are many reasons for the wheel to gnaw the rail, among which there are manufacturing issues, as well as design, installation, and use issues, but most of all, the wheel is offset relative to the rail during operation. Therefore, it is necessary to develop an adjusting device for a crown block track, so as to eliminate the deviation of wheels relative to the track in the running process and reduce the occurrence of gnawing.
SUMMERY OF THE UTILITY MODEL
The utility model aims at developing a crown block track at adjusting device, eliminate the skew that the wheel takes place for the track in the operation, reduce the emergence of gnawing the condition.
The technical scheme of the utility model is that:
an on-line adjusting device for a crown block track comprises an adjusting screw rod, an adjusting nut, a flange cover, a sleeve, a spring, a bearing outer sleeve, a fork head, a bearing, a retainer ring, a pin shaft, an elastic retainer ring and a first guide column,
the sleeve is a rectangular sleeve, one end of the sleeve is a flange surface and is assembled and connected with the flange cover, two through rectangular section guide grooves are respectively arranged on the wide surfaces at the two sides in the sleeve,
the fork head is a U-shaped fork head, through holes are formed in two end faces, two second guide posts are arranged on the two end faces respectively, the positions and the shapes of the second guide posts are matched with those of the guide grooves of the sleeve, a circular groove is formed in the upper portion of the top of the fork head, the other end of the spring is embedded into the circular groove, the pin shaft penetrates through the through holes in the end faces of the fork head to be assembled with the bearing, two ends of an inner ring of the bearing are fixed through check rings, an outer ring of the bearing is matched with an outer sleeve of the bearing, one end of the outer ring of the bearing is fixed, one end of the,
one end of the adjusting screw is fixedly connected with the top of the fork head in a welding mode, the other end of the adjusting screw penetrates through a hole of the flange cover to be matched with the adjusting nut in an assembling mode, the flange cover is connected with the sleeve through four bolts, a circular groove is formed in the flange cover, one end of the spring is embedded into the groove, and a through hole is formed in the groove, so that the adjusting screw penetrates through the groove.
The diameter of the adjusting screw is 30-40 mm.
The thickness of the flange cover is 12-18 mm.
The wall thickness of the sleeve is 12-20 mm, the depth of the guide groove is 8-15 mm, and the width of the guide groove is 6-12 mm.
The specification of the spring is phi 10 multiplied by 60 multiplied by 120.
The diameter of the pin shaft is 40-50 mm.
The utility model has the advantages that: the device has the advantages of simple structure, low manufacturing cost and easy replacement of parts, greatly improves the condition that the wheels deviate relative to the rail, reduces the occurrence of gnawing condition, prolongs the service lives of the wheels and the rail, saves the cost of spare parts, reduces the overhaul cost, ensures the good running of the overhead travelling crane, and has considerable benefit.
Drawings
FIG. 1 is a front view of the structure of the device of the present invention;
FIG. 2 is a side view of the structure of the device of the present invention;
FIG. 3 is a cross-sectional view of the device of the present invention B-B;
fig. 4 is a cross-sectional view of the device a-a of the present invention;
fig. 5 is a schematic view of the fork head of the device of the present invention;
fig. 6 is a cross-sectional view of the device of the present invention;
FIG. 7 is a diagram illustrating the operation of the device according to the present invention;
labeled as: adjusting screw 1, adjusting nut 2, flange cover 3, sleeve 4, spring 5, bearing overcoat 6, jaw 7, bearing 8, retaining ring 9, round pin axle 10, circlip 11, first guide post 12, guide way 13, second guide post 14, through-hole 15, gusset 16, trolley 17, track 18, this device 19.
Detailed Description
The invention will be further explained by way of example with reference to the accompanying drawings.
An online adjusting device for a crown block track comprises an adjusting screw rod 1, an adjusting nut 2, a flange cover 3, a sleeve 4, a spring 5, a bearing outer sleeve 6, a fork head 7, an angular contact bearing 8, a retainer ring 9, a pin shaft 10, an elastic retainer ring 11 and a first guide column 12, wherein one end of the adjusting screw rod 1 is fixedly connected with the top of the fork head 7 in a welding manner, the other end of the adjusting screw rod passes through a flange cover hole to be matched with the adjusting nut 2, the device is adjusted, the flange cover 3 is connected with the sleeve 4 through four bolts, a circular groove is formed in the flange cover 3, one end of the spring 5 is embedded into the groove, a through hole is formed in the groove, the adjusting screw rod 1 passes through the sleeve 4, the sleeve 4 is a rectangular sleeve, one end of the sleeve is a flange surface and is connected with the flange cover 3, two through guide grooves 13 are respectively arranged on the wide surfaces on the two sides in the sleeve, the fork head 7 is, with the guide way 13 phase-match of sleeve 4, the jaw top is opened there is circular recess, in spring 5 other end embedding recess, round pin axle 10 passed 7 terminal surface through-holes 15 of jaw, with the assembly of angular contact bearing 8, bearing 8 inner circle both ends are fixed by retaining ring 9, bearing 8 outer lane and bearing housing 6 cooperation, one end is fixed, and one end moves about, and round pin axle 10 end division recess is equipped with circlip 11 and prevents to drop. The adjusting screw 1 has a diameter of 34 mm. The thickness of the flange cover 3 is 15 mm. The wall thickness of the sleeve 4 is 16 mm, and the depth of a guide groove in the sleeve 4 is 11 mm and the width is 9 mm. The specification of the spring 5 is phi 10 multiplied by 60 multiplied by 120. The angular contact bearing 8 is 6209. The diameter of the pin shaft 10 is 45 mm.
When the device is used, the wide surface of the sleeve 4 is connected with a hoisting trolley 17 in a welding mode and is reinforced by a rib plate 16, the bearing outer sleeve 6 abuts against the outer edge of the crown block rail 18, the device cannot interfere with other equipment, and the pressing force of the bearing outer sleeve 6 and the crown block rail 18 is adjusted through the adjusting nut 2. Four feet of the trolley 17 are respectively provided with one device of the utility model, which runs together with the trolley 17. Track 18 is when normal position, bearing housing 6 and the critical contact of track 18, and track 18 can not receive the adjustment the utility model discloses the power of device when track 18 takes place the skew, then can receive the utility model discloses device side thrust forces track 18 to reset, avoids wheel rim and 18 side contact of track. When the bearing outer sleeve 6 or the spring 5 is damaged, the four bolts connecting the adjusting nut 2, the flange cover 3 and the sleeve 4 can be detached, and the flange cover is opened for replacement.
The device has the advantages of simple structure, low manufacturing cost and easy replacement of parts, greatly improves the condition that the wheels deviate relative to the rail, reduces the occurrence of gnawing condition, prolongs the service lives of the wheels and the rail, saves the cost of spare parts, reduces the overhaul cost, ensures the good running of the overhead travelling crane, and has considerable benefit.
Claims (6)
1. An online adjusting device for a crown block track is characterized by comprising an adjusting screw rod (1), an adjusting nut (2), a flange cover (3), a sleeve (4), a spring (5), a bearing outer sleeve (6), a fork head (7), a bearing (8), a retainer ring (9), a pin shaft (10), an elastic retainer ring (11) and a first guide column (12),
the sleeve (4) is a rectangular sleeve, one end of the sleeve is a flange surface and is assembled and connected with the flange cover (3), two through rectangular section guide grooves (13) are respectively arranged on the wide surfaces at the two sides in the sleeve (4),
the fork head (7) is a U-shaped fork head, through holes (15) are formed in two end faces, two second guide posts (14) are respectively arranged on the two end faces, the positions and the shapes of the second guide posts (14) are matched with the guide grooves (13), a circular groove is formed in the upper portion of the top of the fork head (7), the other end of the spring (5) is embedded into the circular groove, the pin shaft (10) penetrates through the through holes (15) in the end faces of the fork head (7) and is assembled with the bearing (8), two ends of the inner ring of the bearing (8) are fixed through check rings (9), the outer ring of the bearing (8) is matched with the bearing outer sleeve (6), one end of the bearing outer ring is fixed, one end of the bearing outer ring moves, a groove is formed in the tail end of the,
adjusting screw (1) one end and jaw (7) top welded fastening are connected, and the other end passes the hole and the adjusting nut (2) assembly cooperation of blind flange (3), and blind flange (3) and sleeve (4) are through four bolted connection, and it has circular recess to open on blind flange (3), and in spring (5) one end embedding recess, open the through-hole on the recess for adjusting screw (1) passes.
2. The on-line adjustment device for crown block orbit of claim 1 is characterized in that the diameter of the adjusting screw (1) is 30-40 mm.
3. An on-line adjustment device for crown block orbit as claimed in claim 1, characterized in that the thickness of the flange cover (3) is 12-18 mm.
4. The on-line adjustment device for crown block orbit of claim 1, characterized in that the wall thickness of the sleeve (4) is 12-20 mm, the depth of the guiding groove (13) is 8-15 mm, and the width is 6-12 mm.
5. The overhead traveling crane track on-line adjusting apparatus as claimed in claim 1, wherein the specification of said spring (5) is phi 10 x 60 x 120.
6. The on-line adjustment device for crown block orbit of claim 1 is characterized in that the diameter of the pin shaft (10) is 40-50 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020361950.8U CN212893527U (en) | 2020-03-20 | 2020-03-20 | Online adjusting device of overhead traveling crane track |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020361950.8U CN212893527U (en) | 2020-03-20 | 2020-03-20 | Online adjusting device of overhead traveling crane track |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212893527U true CN212893527U (en) | 2021-04-06 |
Family
ID=75227670
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020361950.8U Expired - Fee Related CN212893527U (en) | 2020-03-20 | 2020-03-20 | Online adjusting device of overhead traveling crane track |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212893527U (en) |
-
2020
- 2020-03-20 CN CN202020361950.8U patent/CN212893527U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210406 |
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| CF01 | Termination of patent right due to non-payment of annual fee |