CN110294430B - Integral type pulley block - Google Patents
Integral type pulley block Download PDFInfo
- Publication number
- CN110294430B CN110294430B CN201910412395.9A CN201910412395A CN110294430B CN 110294430 B CN110294430 B CN 110294430B CN 201910412395 A CN201910412395 A CN 201910412395A CN 110294430 B CN110294430 B CN 110294430B
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- China
- Prior art keywords
- tackle
- pulley
- integrated
- reinforcing support
- clamping plate
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- 238000004804 winding Methods 0.000 claims abstract description 38
- 210000000078 claw Anatomy 0.000 claims description 24
- 230000003014 reinforcing effect Effects 0.000 claims description 23
- 229910000838 Al alloy Inorganic materials 0.000 claims description 11
- 238000005266 casting Methods 0.000 claims 1
- 230000005540 biological transmission Effects 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000010276 construction Methods 0.000 abstract description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 8
- 230000001681 protective effect Effects 0.000 description 5
- 229910052742 iron Inorganic materials 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000000670 limiting effect Effects 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 230000002441 reversible effect Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 1
- 238000010009 beating Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 230000036961 partial effect Effects 0.000 description 1
- 230000002829 reductive effect Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D3/00—Portable or mobile lifting or hauling appliances
- B66D3/04—Pulley blocks or like devices in which force is applied to a rope, cable, or chain which passes over one or more pulleys, e.g. to obtain mechanical advantage
- B66D3/06—Pulley blocks or like devices in which force is applied to a rope, cable, or chain which passes over one or more pulleys, e.g. to obtain mechanical advantage with more than one pulley
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Pulleys (AREA)
- Electric Cable Installation (AREA)
Abstract
The invention relates to the technical field of power transmission line construction equipment, and discloses an integrated tackle group which comprises tackle blocks, multiple tackle blocks and a cable rope connected with tackle multiple tackle blocks, wherein the tackle blocks and the multiple tackle blocks are fixedly connected to two ends of the inner sides of a pair of clamping plates, temporary winding hooks are fixedly connected to the outer side faces of the clamping plates, concave nodes and convex nodes are distributed on the temporary winding hooks in a crossed manner, the concave nodes are arc-shaped sections and are concave inwards on the temporary winding hooks, the convex nodes are arc-shaped sections and are convex outwards on the temporary winding hooks, one end of each clamping plate close to the multiple tackle blocks is fixedly connected with a ground hook, and a tackle opening door used for controlling a switch of the multiple tackle blocks is arranged on the side face of each clamping plate Winding problem, can realize goods beneficial effect of berthing temporarily.
Description
Technical Field
The invention relates to the technical field of power transmission line construction equipment, in particular to an integrated pulley block.
Background
When the auxiliary device is installed or constructed on the power transmission line tower, pulleys are used, and when a heavy object is hoisted, the two main methods are that rope pulling personnel are added or a pulley group is used on the ground, the rope pulling personnel on the ground are in short supply and the labor cost is increased in busy time, and the method of using the pulley group is complex in rope winding of the pulley group at a hanging point and an object binding point due to the fact that the power transmission line tower is high, the object is easy to rotate in the ascending process after being lifted off the ground, and the ropes among the pulley groups are easy to wind. For example: chinese patent No. CN108862080A, entitled Pulley set in 2018, 11 and 23, entitled parallel Pulley set, including two Pulley bodies with same structure and a steel wire rope connecting the two Pulley bodies, wherein, the Pulley bodies include a connecting part, a protective casing, a big pulley, a small pulley and a fixed shaft, wherein, the big pulley, the small pulley and the fixed shaft are fixed inside the protective casing along the longitudinal direction of the protective casing in turn, the connecting part includes a connecting plate and a U-shaped plate connected with the connecting plate, two side plates of the U-shaped plate are fixedly clamped at two sides of the protective casing, the connecting plate is parallel to the central axis of the big pulley, the steel wire rope passes through the fixed shaft and passes through the small pulley and the big pulley of the two Pulley bodies in turn and then extends out of the protective casing, which has the disadvantages that the rope winding of the Pulley set is troublesome at the hanging point and the binding point of the object, and, the rope between the pulley groups is easy to wind and cannot temporarily suspend the pulling work of the goods.
Disclosure of Invention
The invention provides an integral pulley set which can realize temporary stopping of goods without increasing rope pulling personnel, reducing labor cost, solving the problems of fussy rope winding, easy rotation and winding of the original pulley sets and the like, in order to solve the defects that the rope winding of the pulley set at a hanging point and an object binding point is fussy, the object is easy to rotate in the lifting process after being lifted off the ground, and the goods pulling work cannot be temporarily suspended in the prior art.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides an integral type coaster group, includes coaster, many coasters and connects coaster hawser of many coasters, coaster and many coasters fixed connection are at the inboard both ends of a pair of splint, the interim winding hook of lateral surface fixedly connected with of splint, it has indent node and evagination node to cross the distribution on the hook to twine temporarily, the indent node is the segmental arc and twine the hook at interim and toward the indent, the evagination node is the segmental arc and twine the hook at interim and toward the outside protrusion, splint are close to one end fixedly connected with ground couple of many coasters, the side of splint is equipped with the coaster door that is used for controlling many coasters switch. The invention comprises pulley and multi-pulley, which are connected into a whole by a pair of clamping plates, one end of the clamping plate is fixedly connected with a ground hook, the ground hook is fixed on a component with firm ground by a short rope sleeve, a cable rope passes through the multi-pulley and pulley in sequence and finally passes out of the multi-pulley as a rope pulling end, the other end of the cable rope firstly goes up and passes through a hanging point on an iron tower and then drops to the ground to be used as a goods hanging end for hanging goods, constructors pull the rope pulling end on the bottom surface, the goods are lifted and emptied by the steering action of an integrated pulley group and the iron tower hanging point until reaching a preset place, because pulley and multi-pulley are fixedly connected by the clamping plates, the distance of the original pulley group is greatly shortened, and the rope pulling end is positioned closer to the bottom surface of the rope pulling personnel, the problems of complicated rope winding, beating and winding among the pulley groups are not easy to, when the goods need suspend temporarily midway, or the goods reaches the predetermined height, or hang goods end and be in under the no-load condition, only need with hawser make a round trip to twine on the interim winding hook not take off can, cross distribution is interior concave node and evagination node on the interim winding hook, interior concave node is the segmental arc and inwards recess on the interim winding hook, the evagination node is the segmental arc and past outside protrusion on the interim winding hook, can tie a knot with the hawser respectively on interior concave node and evagination node when twining and fix, because the hawser is not on the interim winding hook at the stress point of interior concave node and evagination node, so the department of knoing is difficult to break away from the node, the rope end can just be taken with little power, reduce ground stay cord personnel intensity of labour, thereby can realize the purpose that the goods stopped temporarily.
Preferably, the splint is fixedly connected with a reinforcing support rod, and the reinforcing support rod penetrates through the splint. The reinforced support rod can have enough strength to support the extrusion of the single-pulley and multi-pulley workshops after the cable is stressed.
Preferably, the temporary winding hooks are positioned on two sides of the reinforcing support rod and are integrally cast and molded with the reinforcing support rod. Twine the hook temporarily and consolidate bracing piece body structure, intensity is higher more difficult to warp impaired.
Preferably, the splint is provided with two reinforcing support rods, one reinforcing support rod is positioned at one end close to the tackle, the other reinforcing support rod is positioned at one end close to the multi-tackle, and the two reinforcing support rods are positioned between the tackle and the multi-tackle. Both ends at integral type tackle pulley group all are equipped with the reinforcement bracing piece, can be diversified twine the hawser fixedly, form multiple fixed, prevent that the hawser from breaking away at some place.
Preferably, the poly-block is a di-block. The ground manual hoisting object generally cannot exceed 0.5T, and the pulling force of a manual pull rope generally exceeds 100kg, so that the integrated pulley block adopts the design of one single pulley and one two pulleys.
Preferably, one end of the temporary winding hook is provided with a barb for fixing the cable. After the mooring rope is wound on the temporary winding hook, the redundant part can be hung on the barb, and management is facilitated.
Preferably, the pulley wheel surface and the multiple pulley wheel surface are both provided with inverted claws, each inverted claw comprises a claw piece rotationally connected with the wheel surface through a torsion spring and a limiting block used for limiting the rotation angle of the claw piece, and the limiting block is an extension block of the wheel surface. The direction of claw piece is the same with the direction when hawser is pulled up, fall the claw when hawser is pulled up and pack up and paste tight round of face under the pressure effect of hawser, when the reverse quick slip of hawser, the pressure that the claw piece received sharply diminishes, the claw piece bounces under the effort of torsional spring, and hook the hawser, the turned angle of claw piece can be injectd to the extension piece, avoid the claw piece to rotate excessively and loosen the hawser, the hawser can effectively be grabbed under the circumstances of stay cord end pulling force precipitous drop to this structure, prevent that the goods from descending fast.
Preferably, the clamping plate is an aluminum alloy clamping plate. The aluminum alloy plate is hard, and the distance between the pulley sets cannot be changed after the aluminum alloy plate is stressed.
Preferably, the spacing between the pulleys and the multiple pulley is 0.5 mm. The regulation of electric power safety work regulations: when the tension is less than 1T, the spacing between the pulley blocks is 700 mm; the distance between an upper pulley and a lower pulley of the pulley block is not smaller than 0.5mm when the pulley block is tensioned, an aluminum alloy plate in the integrated pulley block is hard, the distance between the pulley blocks cannot be changed after stress is applied, and therefore the distance between the integrated pulley blocks is designed to be 0.5 mm.
Preferably, the multi-pulley is provided with a connecting hole for connecting the rope grab. The connecting hole is connected with a rope grabbing device which is fixed at the goods hanging end of the mooring rope.
Therefore, the integrated pulley block has the following advantages: the device has the advantages of no need of increasing rope pulling personnel, reducing labor cost, greatly shortening the distance between the original tackle blocks, solving the problems of complex rope winding, easy rotation and winding of the original tackle blocks and realizing temporary stop of goods.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural view of the junction of the temporary winding hook and the reinforcing support bar.
Fig. 3 is a front view of the sled.
Fig. 4 is a partial cross-sectional view of the sled.
Wherein: pulley 1, two pulleys 2, cable 3, aluminum alloy splint 4, reinforced support rod 5, temporary winding hook 6, concave node 7, convex node 8, barb 9, pulley door 10, inverted claw 11, torsion spring 12, claw piece 13, limited block 14, ground hook 15, connecting hole 16, rope grabbing device 17.
Detailed Description
The technical solution of the present invention is further specifically described below by way of examples and with reference to the accompanying drawings.
As shown in fig. 1, 2, 3, 4, an integrated tackle pulley set, wherein:
comprises pulley 1, a two-pulley 2 and a cable 3 connecting pulley two-pulley, pulley and two-pulley are fixedly connected with two ends of the inner side of a pair of aluminum alloy splint 4, the distance between pulley and two-pulley is 0.5mm, the aluminum alloy splint is provided with two reinforcing support rods 5, one reinforcing support rod is positioned at one end close to pulley, the other reinforcing support rod is positioned at one end close to two-pulley, the two reinforcing support rods are both positioned between pulley and two-pulley, the reinforcing support rods penetrate through the aluminum alloy splint, the reinforcing support rods can have enough strength to support the extrusion between the single pulley and the two-pulley after the cable is stressed, the two ends of the reinforcing support rods are provided with temporary winding hooks 6 cast integrally with the reinforcing support rods, the temporary winding hooks are crossed and distributed with inner concave nodes 7 and outer convex nodes 8, the inner concave nodes are arc sections and are inwards concave on the temporary winding hooks, the evagination node is the arc section and is twined the hook temporarily and toward the outside protrusion, the one end of twining the hook temporarily is equipped with the barb 9 that is used for fixed hawser, the hawser is after twining the hook temporarily, can hang unnecessary part on the barb, convenient management, splint are close to one end fixedly connected with ground couple of two coasters, there is a connecting hole 16 of connecting rope grab ware on two coasters, rope grab ware 17 is connected to the connecting hole, rope grab ware fixes the end of hanging at the hawser, the side of aluminum alloy splint is equipped with the coaster door 10 that is used for controlling two coasters switch, another of aluminum alloy splint designs for the horn mouth, make things convenient for the wiring, all be equipped with down claw 11 on the wheel face of coaster and the wheel face of two coasters, down the claw includes claw piece 13 of being connected through torsional spring 12 and wheel face rotation, a stopper 14 for injecing claw piece turned angle, the stopper is the extension. The direction of claw piece is the same with the direction when hawser is pulled up, fall the claw when hawser is pulled up and pack up and paste tight round of face under the pressure effect of hawser, when the reverse quick slip of hawser, the pressure that the claw piece received sharply diminishes, the claw piece bounces under the effort of torsional spring, and hook the hawser, the turned angle of claw piece can be injectd to the extension piece, avoid the claw piece to rotate excessively and loosen the hawser, the hawser can effectively be grabbed under the circumstances of stay cord end pulling force precipitous drop to this structure, prevent that the goods from descending fast. The invention includes pulley and two pulleys, connect into an organic whole through a pair of clamp plates, one end of the clamp plate fixedly connects a ground hook 15, the ground hook is fixed on firm component of ground with the short rope sleeve, the cable rope passes two pulleys, pulley sequentially, and finally it is worn out and regarded as the end of pulling rope from two pulleys again, another end of the cable rope is first up and passed the hanging point on the iron tower, then it is drooped to the ground and used as the end of hanging goods hanging of hanging goods, constructor pull the end of pulling rope on the bottom surface, realize the lifting of goods by the steering action of the hanging point of integral pulley group and iron tower, until reaching the predetermined place, because pulley, two pulleys are fixedly connected through the clamp plate, has shortened the interval of the original pulley group greatly, and the end of pulling rope is located closer to the bottom surface of the person of pulling rope, when the cable rope is pulled, difficult to happen pulley group around rope complicated and beat and turn, The winding problem, it is unsettled temporarily midway when the goods needs, or the goods reaches the predetermined height, or hang the goods end and be in under the no-load condition, only need with hawser winding on the temporary winding hook not take off can, the cross distribution is interior concave node and evagination node on the temporary winding hook, interior concave node is the segmental arc and toward the outside protrusion on the temporary winding hook, can tie a knot fixedly at interior concave node and evagination node respectively with the hawser when twining, because the hawser is not on the temporary winding hook at the stress point of interior concave node and evagination node, so the department of knoing is difficult to break away from the node, the rope end can be taken with little power just, reduce ground stay cord personnel intensity of labour, thereby can realize the purpose that the goods was berthhed temporarily.
The integrated pulley block has the beneficial effects that the number of rope pulling personnel is not increased, the labor cost is reduced, the distance between the original pulley blocks is greatly shortened, the problems of complicated rope winding, easy rotation and winding of the original pulley blocks are solved, and temporary stopping of goods can be realized.
Claims (8)
1. An integrated pulley group comprises pulleys, a multi-pulley which is a two-pulley and a cable which is connected with pulleys and multi-pulleys, and is characterized in that the pulleys and the multi-pulley are fixedly connected to two ends of the inner sides of a pair of clamping plates, the outer side surfaces of the clamping plates are fixedly connected with temporary winding hooks, and the side surfaces of the clamping plates are provided with pulley opening doors for controlling the multi-pulley switches; the wheel face of coaster with all be equipped with the pawl on the wheel face of many coasters, the pawl that falls includes the claw piece of being connected through torsional spring and wheel face rotation, is used for injecing the stopper of claw piece turned angle, the stopper is the extension piece of wheel face.
2. The integrated tackle pulley according to claim 1, wherein a reinforcing support rod is fixedly connected to the clamping plate, and the reinforcing support rod penetrates through the clamping plate.
3. The integrated tackle pulley according to claim 2, wherein the temporary hooks are integrally formed with the reinforcing support bar by casting at both sides of the reinforcing support bar.
4. An integrated tackle as claimed in claim 2, wherein the clamping plate has two reinforcing support bars, one located adjacent to the tackle and the other located adjacent to the multiple tackle, both of said reinforcing support bars being located between the tackle and the multiple tackle.
5. The integrated tackle pulley according to claim 1, wherein the temporary winding hook has a barb at one end for fixing the cable.
6. An integrated tackle pulley according to claim 1, 2 or 4, wherein said clamping plate is an aluminium alloy clamping plate.
7. An integrated tackle as claimed in claim 1, wherein the spacing between the tackle and the multiple tackle is 0.5 mm.
8. The integrated tackle combination as claimed in claim 1, wherein the tackle includes a connection hole for connecting a rope grabber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910412395.9A CN110294430B (en) | 2019-05-17 | 2019-05-17 | Integral type pulley block |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910412395.9A CN110294430B (en) | 2019-05-17 | 2019-05-17 | Integral type pulley block |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110294430A CN110294430A (en) | 2019-10-01 |
| CN110294430B true CN110294430B (en) | 2020-09-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910412395.9A Active CN110294430B (en) | 2019-05-17 | 2019-05-17 | Integral type pulley block |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110294430B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1037607A (en) * | 1964-10-13 | 1966-07-27 | Kawasaki Heavy Ind Ltd | Mooring apparatus on board ships |
| CN203006822U (en) * | 2012-12-10 | 2013-06-19 | 国家电网公司 | Novel power supply unit lifting gear |
| CN103523704A (en) * | 2013-10-25 | 2014-01-22 | 国网安徽省电力公司池州供电公司 | Detachable support applied to lifting of small-sized electric power device and construction method thereof |
| CN104649175A (en) * | 2013-11-15 | 2015-05-27 | 天津中蓝泵业有限责任公司 | Portable lifting tripod |
| CN205367562U (en) * | 2016-02-02 | 2016-07-06 | 贵州电网有限责任公司贵阳供电局 | Coaster slowly falls in electric line heavy object |
| CN205595702U (en) * | 2016-04-22 | 2016-09-21 | 徐州送变电有限公司 | High altitude block pulley |
| CN108516464A (en) * | 2018-04-28 | 2018-09-11 | 上海市安装工程集团有限公司 | A kind of accompanying cable vertical lifting system of wirerope and its construction method |
| CN208071186U (en) * | 2018-04-09 | 2018-11-09 | 合肥市测绘设计研究院 | A kind of device for the mapping of administrative division boundary line |
-
2019
- 2019-05-17 CN CN201910412395.9A patent/CN110294430B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1037607A (en) * | 1964-10-13 | 1966-07-27 | Kawasaki Heavy Ind Ltd | Mooring apparatus on board ships |
| CN203006822U (en) * | 2012-12-10 | 2013-06-19 | 国家电网公司 | Novel power supply unit lifting gear |
| CN103523704A (en) * | 2013-10-25 | 2014-01-22 | 国网安徽省电力公司池州供电公司 | Detachable support applied to lifting of small-sized electric power device and construction method thereof |
| CN104649175A (en) * | 2013-11-15 | 2015-05-27 | 天津中蓝泵业有限责任公司 | Portable lifting tripod |
| CN205367562U (en) * | 2016-02-02 | 2016-07-06 | 贵州电网有限责任公司贵阳供电局 | Coaster slowly falls in electric line heavy object |
| CN205595702U (en) * | 2016-04-22 | 2016-09-21 | 徐州送变电有限公司 | High altitude block pulley |
| CN208071186U (en) * | 2018-04-09 | 2018-11-09 | 合肥市测绘设计研究院 | A kind of device for the mapping of administrative division boundary line |
| CN108516464A (en) * | 2018-04-28 | 2018-09-11 | 上海市安装工程集团有限公司 | A kind of accompanying cable vertical lifting system of wirerope and its construction method |
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| Publication number | Publication date |
|---|---|
| CN110294430A (en) | 2019-10-01 |
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