CN212954027U - Anticreep line leading wheel device that tower crane of building construction was used - Google Patents
Anticreep line leading wheel device that tower crane of building construction was used Download PDFInfo
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- CN212954027U CN212954027U CN202021801312.XU CN202021801312U CN212954027U CN 212954027 U CN212954027 U CN 212954027U CN 202021801312 U CN202021801312 U CN 202021801312U CN 212954027 U CN212954027 U CN 212954027U
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- connecting rod
- leading wheel
- rod
- tower crane
- line leading
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Abstract
The utility model relates to an anticreep line leading wheel device that tower crane of construction was built in room was used, including leading wheel and spacing wheel, the direction spout has been seted up on the surface of leading wheel, the inside sliding connection of direction spout has the traction rod, the other end welding of traction rod has the fixed plate, the welding has the sleeve on the bottom surface of fixed plate, telescopic inside is pegged graft and is had the telescopic link, the welding has compression spring between telescopic link and the fixed plate, compression spring's one end is kept away from to the telescopic link is provided with the connecting rod, spacing wheel sets up on the connecting rod, the guide way has been seted up along the length direction of self on the traction rod, be provided with the guide block on the connecting rod, the guide block slides and sets up in. This application has the damage that alleviates compression spring, extension compression spring's life's effect.
Description
Technical Field
The application relates to the field of building construction equipment, in particular to an anticreep line guide wheel device for a tower crane for building construction.
Background
At present, in the field of house construction, a guide wheel device is often used, and the guide wheel is used for guiding the direction of a soft pipeline or a soft linear object such as a steel wire, a nylon rope and the like in the moving process. The guide wheel is provided with a pulley structure, and the guide wheel can play a role in saving power in certain projects or products.
Chinese patent with publication number CN209702158U discloses an anticreep line leading wheel device that tower crane of building construction was used, including leading wheel and spacing wheel, the direction spout has been seted up on the surface of leading wheel, the inside sliding connection of direction spout has the traction rod, the other end welding of traction rod has the fixed plate, the skin weld of fixed plate has the couple, the welding has the sleeve on the bottom surface of fixed plate, telescopic inside is pegged graft and is had the telescopic link, the welding has compression spring between telescopic link and the fixed plate, the bottom welding of telescopic link is on the surface of connecting rod, the tip welding of connecting rod has the butt joint inserted bar, the butt joint inserted bar butt joint is in the inside of rotating the groove, the rotating groove is seted up on spacing wheel on the surface. During actual work, hang the couple on bearing structure, weld and consolidate, then pass the rope body of tower crane in the space between leading wheel and the spacing wheel, the rope body drives leading wheel and spacing wheel rotation simultaneously by the in-process of tractive, and spacing wheel is followed the connecting rod and is drawn compression or tensile compression spring, realizes the oscilaltion.
In view of the above-mentioned related art, the inventors consider that there is a defect that the compression spring may be irreversibly damaged during operation, resulting in the compression spring being unusable.
SUMMERY OF THE UTILITY MODEL
In order to alleviate the damage to compression spring, extension compression spring's life, this application provides an anticreep line leading wheel device that tower crane of building construction was used.
The application provides a pair of anticreep line leading wheel device that tower crane of building construction was used adopts following technical scheme:
the utility model provides an anticreep line leading wheel device that tower crane of construction was built in room was used, includes leading wheel and spacing wheel, the direction spout has been seted up on the surface of leading wheel, the inside sliding connection of direction spout has the traction rod, the other end welding of traction rod has the fixed plate, the welding has the sleeve on the bottom surface of fixed plate, telescopic inside is pegged graft and is had the telescopic link, the welding has compression spring between telescopic link and the fixed plate, compression spring's one end is kept away from to the telescopic link is provided with the connecting rod, spacing wheel sets up on the connecting rod, the guide way has been seted up along the length direction of self on the traction rod, be provided with the guide block on the connecting rod, the guide block slides and sets up in the guide way, be provided with the piece that.
By adopting the technical scheme, when the rope penetrates through the gap between the guide wheel and the limiting wheel to extrude the limiting wheel, the guide block slides in the guide groove, the connecting rod moves along the length direction of the traction rod, and the guide block and the guide groove are matched to limit the connecting rod to be difficult to rotate, so that the compression spring is difficult to twist, and the condition that the compression spring fails due to excessive torsion is reduced; and when the connecting rod drives the telescopic link to extrude the compression spring, the distance that the blocking piece can limit the connecting rod to move is too long, so that the situation that the compression spring fails due to the over-compression of the telescopic link is well prevented.
Preferably, the blocking member comprises a butting rod, one end of the butting rod is fixedly connected to the bottom surface of the fixing plate, and the other end of the butting rod faces the connecting rod.
Through adopting above-mentioned technical scheme, when the connecting rod removed along the length direction of tractive pole, the butt pole can with connecting rod looks butt, just so can prevent that the connecting rod from further moving to drive the excessive extrusion compression spring of telescopic link this moment, can play the guard action to compression spring betterly.
Preferably, the cross-sectional shapes of the sleeve and the telescopic rod are rectangular, one end of the telescopic rod, which is located in the sleeve, is provided with an anti-falling part, and the anti-falling part is in sliding fit with the sleeve.
By adopting the technical scheme, when the telescopic rod slides in the sleeve, the cross sections of the sleeve and the telescopic rod are both rectangular, so that the telescopic rod is not easy to rotate in the sleeve, the compression spring can be further prevented from twisting, and the compression spring can be better protected; the setting of anticreep portion can prevent the telescopic link to deviate from in the sleeve better.
Preferably, a piano plate used for covering the guide groove is arranged in the guide groove and connected with the guide block.
Through adopting above-mentioned technical scheme, when the guide block slided in the guide way, the organ board was stretched or compressed and is carried out the shade to the guide way all the time, can prevent betterly that debris from entering into in the guide way and cause the influence to the normal slip of guide block.
Preferably, the inner wall of the guide groove is covered with a polytetrafluoroethylene layer.
Through adopting above-mentioned technical scheme, because polytetrafluoroethylene's coefficient of friction is extremely low, when the guide block slided in the guide way, can make the slip process of guide block in the guide way more smooth and easy.
Preferably, the limiting wheel is detachably connected with the connecting rod.
Through adopting above-mentioned technical scheme, spacing round can be dismantled with the connecting rod and be connected, is convenient for change the spacing round of equidimension not to can adapt to the rope of different cross-sectional sizes, and when spacing round takes place wearing and tearing, can replace spacing round.
Preferably, an inserting groove is formed in the connecting rod, mounting seats are arranged at two ends of the limiting wheel and are rotatably connected with the limiting wheel, an inserting block is arranged on the mounting seats and is matched with the inserting groove in an inserting mode, a screw is arranged on the side wall of the connecting rod, and the screw penetrates through the side wall of the connecting rod and then penetrates through the inserting block.
By adopting the technical scheme, the insertion block is firstly inserted into the insertion groove, and then the insertion block is fixed in the insertion groove by using the screw, so that the insertion block can be well prevented from being separated from the insertion groove.
Preferably, a rolling bearing is arranged in the mounting seat, connecting shafts are arranged at two ends of the limiting wheel and penetrate through the rolling bearing, and an inner ring of the rolling bearing is in interference fit with the connecting shafts.
Through adopting above-mentioned technical scheme, antifriction bearing's setting can make spacing round rotate on the mount pad through even axle, and can restrict well that even axle deviates from in the mount pad.
In summary, the present application includes at least one of the following beneficial technical effects:
the guide block is matched with the guide groove to limit the connecting rod to be difficult to rotate, so that the compression spring is difficult to twist, and the condition that the compression spring fails due to excessive torsion is reduced; meanwhile, when the connecting rod drives the telescopic rod to extrude the compression spring, the blocking piece can limit the moving distance of the connecting rod to be too long, and the situation that the compression spring is invalid due to the fact that the telescopic rod excessively compresses the compression spring is well prevented;
the cross sections of the sleeve and the telescopic rod are rectangular, so that the telescopic rod is not easy to rotate in the sleeve, the compression spring can be further prevented from twisting, and the compression spring is better protected; the anti-falling part is arranged, so that the telescopic rod can be well prevented from falling out of the sleeve;
spacing round can be dismantled with the connecting rod and be connected, is convenient for change the spacing round of equidimension not to can adapt to the rope of different cross-sectional sizes, and when spacing round takes place wearing and tearing, can replace spacing round.
Drawings
Fig. 1 is a schematic view of the overall structure of the present application.
Fig. 2 is an exploded and partially sectional view for showing the entire structure.
Fig. 3 is an enlarged view of a portion a in fig. 2.
Description of reference numerals: 1. a guide wheel; 11. a guide chute; 12. a traction rod; 121. a guide groove; 1211. a piano plate; 1212. a polytetrafluoroethylene layer; 2. a limiting wheel; 21. a mounting seat; 211. an insertion block; 212. a rolling bearing; 22. a connecting shaft; 3. a fixing plate; 31. a sleeve; 32. a telescopic rod; 321. an anti-drop part; 33. a compression spring; 34. a butting rod; 4. a connecting rod; 41. a guide block; 42. inserting grooves; 43. a screw; 44. a cross bar; 45. a vertical rod.
Detailed Description
The present application is described in further detail below with reference to figures 1-3.
The embodiment of the application discloses anticreep line leading wheel device that tower crane of building construction was used. Referring to fig. 1 and 2, the anti-falling guide wheel device for the tower crane for building construction comprises a guide wheel 1 and a limiting wheel 2, wherein two annular guide chutes 11 are symmetrically formed in the surface of the guide wheel 1, the cross sections of the guide chutes 11 are in a T shape, two traction rods 12 are symmetrically arranged on the guide wheel 1, and the length directions of the two traction rods 12 are parallel; one end of the traction rod 12 is in sliding fit with the guide chute 11, and the other end is welded with the fixing plate 3; a sleeve 31 is welded on the bottom surface of the fixed plate 3, an expansion link 32 is inserted into the sleeve 31, and a compression spring 33 is welded between the expansion link 32 and the fixed plate 3; one end of the telescopic rod 32, which is far away from the compression spring 33, is provided with a connecting rod 4, the limiting wheel 2 is arranged on the connecting rod 4, and the central axis direction of the limiting wheel 2 is parallel to the central axis direction of the guide wheel 1.
Referring to fig. 1 and 2, the two traction rods 12 are provided with guide grooves 121 along the length direction thereof; the connecting rod 4 consists of a cross rod 44 and a vertical rod 45, the length direction of the cross rod 44 is parallel to that of the fixing plate 3, and the top wall of the cross rod 44 is connected with one end of the telescopic rod 32 far away from the compression spring 33; the two vertical rods 45 are symmetrically arranged on the bottom wall of the cross rod 44; both ends of horizontal pole 44 all are provided with guide block 41, and guide block 41 slides and sets up in the guide way 121 just right with self, is provided with on the fixed plate 3 to be used for restricting the piece that blocks that connecting rod 4 removed, and spacing wheel 2 can dismantle with connecting rod 4 and be connected.
When the rope passed the space between spacing wheel 2 and the leading wheel 1, the rope exerted the extrusion force to spacing wheel 2 to make connecting rod 4 remove along the length direction of traction rod 12, the guide block 41 on connecting rod 4 slided in the guide way 121 of traction rod 12 this moment, thereby make connecting rod 4 be difficult for taking place to rotate at the removal in-process, and then make compression spring 33 be difficult for receiving the torsional force and inefficacy, played the guard action of certain degree to compression spring 33.
Referring to fig. 2, the cross-sectional shapes of the sleeve 31 and the telescopic rod 32 are both rectangular, one end of the telescopic rod 32 located in the sleeve 31 is provided with an anti-falling part 321, the anti-falling part 321 is rectangular, the outer side wall of the anti-falling part 321 is attached to the inner side wall of the sleeve 31, one end of the compression spring 33 is connected to the bottom wall of the fixing plate 3, and the other end is connected to the anti-falling part 321; the fixed plate 3 is provided with a butt rod 34, one end of the butt rod 34 is fixedly connected to the bottom wall of the fixed plate 3, the other end faces the connecting rod 4, and the length direction of the butt rod 34 is perpendicular to the length direction of the fixed plate 3.
Because the cross-sectional shapes of the sleeve 31 and the telescopic rod 32 are both rectangular, the condition that the compression spring 33 is twisted when the telescopic rod 32 slides in the sleeve 31 can be prevented, and the spring is further protected; when the connecting rod 4 moves along the length direction of the pulling rod 12, one end of the abutting rod 34 far away from the fixed plate 3 can abut against the top wall of the connecting rod 4, so that the situation that the compression spring 33 is excessively compressed and fails due to the fact that the moving distance of the connecting rod 4 is too large can be well prevented.
Referring to fig. 2, two ends of the limiting wheel 2 are coaxially and fixedly provided with connecting shafts 22, the two connecting shafts 22 are rotatably provided with mounting seats 21, rolling bearings 212 are arranged in the mounting seats 21, and the connecting shafts 22 penetrate through the inside of the rolling bearings 212 and are in interference fit with inner rings of the rolling bearings 212; the mounting seat 21 is provided with an insertion block 211, the bottom wall of the vertical rod 45 is provided with an insertion groove 42, and the insertion block 211 is in insertion fit with the insertion groove 42; be provided with screw 43 on the lateral wall of montant 45, seted up the spliced eye on the lateral wall of montant 45, set up threaded hole on the grafting piece 211, screw 43 passes behind the spliced eye with screw hole screw-thread fit, spacing wheel 2 can dismantle the connection on connecting rod 4 through mount pad 21 promptly, is convenient for change spacing wheel 2.
Referring to fig. 3, the tension rod 12 is provided with a bellows 1211 at a position of the guide groove 121, one end of the bellows 1211 is connected to the inner wall of the guide groove 121, and the other end of the bellows 1211 is connected to the top wall of the guide block 41, when the guide block 41 slides in the guide groove 121, the bellows 1211 is compressed or stretched, and the bellows 1211 can prevent sundries from entering the guide groove 121 to a certain extent, so that the sliding stability of the guide block 41 can be better ensured; the polytetrafluoroethylene layer 1212 is coated on the inner side wall of the guide groove 121, so that the sliding process of the guide block 41 in the guide groove 121 can be more stable.
The implementation principle of the anticreep line leading wheel device that tower crane of this application embodiment was under construction was: when the limiting wheel 2 is extruded by a rope wound on the guide wheel 1, the guide block 41 on the connecting rod 4 slides in the guide groove 121 of the traction rod 12, and the cross sections of the telescopic rod 32 and the sleeve 31 are rectangular, so that the compression spring 33 is not easy to twist and lose efficacy in the moving process of the telescopic rod 32; and the bottom wall of the fixing plate 3 is provided with a blocking part, so that the telescopic rod 32 is not easy to cause the compression spring 33 to be excessively compressed and fail in the moving process, and the compression spring 33 is protected in all directions.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. The utility model provides an anticreep line leading wheel device that tower crane of construction was used is built in room, includes leading wheel (1) and spacing wheel (2), direction spout (11) have been seted up on the surface of leading wheel (1), the inside sliding connection of direction spout (11) has pull rod (12), the other end welding of pull rod (12) has fixed plate (3), the welding has sleeve (31) on the bottom surface of fixed plate (3), it has telescopic link (32) to peg graft in the inside of sleeve (31), the welding has compression spring (33), its characterized in that between telescopic link (32) and fixed plate (3): the one end that compression spring (33) was kept away from in telescopic link (32) is provided with connecting rod (4), spacing wheel (2) set up on connecting rod (4), guide way (121) have been seted up along the length direction of self on traction rod (12), be provided with guide block (41) on connecting rod (4), guide block (41) slide to set up in guide way (121), be provided with on fixed plate (3) and be used for restricting the piece that blocks that connecting rod (4) removed.
2. The anticreep line leading wheel device that tower crane of building construction was used according to claim 1, its characterized in that: the blocking piece comprises a butting rod (34), one end of the butting rod (34) is fixedly connected to the bottom surface of the fixing plate (3), and the other end of the butting rod faces the connecting rod (4).
3. The anticreep line leading wheel device that tower crane of building construction was used according to claim 2, its characterized in that: the cross-sectional shape of sleeve (31) and telescopic link (32) is the rectangle, the one end that telescopic link (32) are located sleeve (31) is provided with anticreep portion (321), anticreep portion (321) and sleeve (31) sliding fit.
4. The anticreep line leading wheel device that tower crane of building construction was used according to claim 1, its characterized in that: an organ plate (1211) used for covering the guide groove (121) is arranged in the guide groove (121), and the organ plate (1211) is connected with the guide block (41).
5. The anticreep line leading wheel device that tower crane of building construction was used according to claim 4, its characterized in that: and a polytetrafluoroethylene layer (1212) is covered on the inner wall of the guide groove (121).
6. The anticreep line leading wheel device that tower crane of building construction was used according to claim 1, its characterized in that: the limiting wheel (2) is detachably connected with the connecting rod (4).
7. The anticreep line leading wheel device that tower crane of building construction was used according to claim 6, its characterized in that: the connecting rod (4) is provided with an insertion groove (42), the two ends of the limiting wheel (2) are provided with mounting seats (21), the mounting seats (21) are rotatably connected with the limiting wheel (2), the mounting seats (21) are provided with insertion blocks (211), the insertion blocks (211) are in insertion fit with the insertion groove (42), the side wall of the connecting rod (4) is provided with screws (43), and the screws (43) penetrate through the side wall of the connecting rod (4) and then penetrate through the insertion blocks (211).
8. The anticreep line leading wheel device that tower crane of building construction was used according to claim 7, its characterized in that: be provided with antifriction bearing (212) in mount pad (21), the both ends of spacing wheel (2) are provided with even axle (22), even axle (22) wear to locate in antifriction bearing (212), the inner circle and even axle (22) interference fit of antifriction bearing (212).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021801312.XU CN212954027U (en) | 2020-08-26 | 2020-08-26 | Anticreep line leading wheel device that tower crane of building construction was used |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021801312.XU CN212954027U (en) | 2020-08-26 | 2020-08-26 | Anticreep line leading wheel device that tower crane of building construction was used |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212954027U true CN212954027U (en) | 2021-04-13 |
Family
ID=75361922
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021801312.XU Expired - Fee Related CN212954027U (en) | 2020-08-26 | 2020-08-26 | Anticreep line leading wheel device that tower crane of building construction was used |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212954027U (en) |
-
2020
- 2020-08-26 CN CN202021801312.XU patent/CN212954027U/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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210413 Termination date: 20210826 |