CN105565192A - Slewing mechanism capable of adjusting rotating resistance for manual slewing cantilever crane - Google Patents
Slewing mechanism capable of adjusting rotating resistance for manual slewing cantilever crane Download PDFInfo
- Publication number
- CN105565192A CN105565192A CN201610116783.9A CN201610116783A CN105565192A CN 105565192 A CN105565192 A CN 105565192A CN 201610116783 A CN201610116783 A CN 201610116783A CN 105565192 A CN105565192 A CN 105565192A
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- China
- Prior art keywords
- damping
- clamp
- slewing
- adjusting
- handle
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- 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.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/62—Constructional features or details
- B66C23/84—Slewing gear
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Jib Cranes (AREA)
Abstract
The invention discloses a slewing mechanism capable of adjusting rotating resistance for a manual slewing cantilever crane. The slewing mechanism comprises a cantilever rotating shaft and rolling bearings and is characterized in that the slewing mechanism for the manual slewing cantilever crane further comprises a damping structure capable of adjusting the rotating resistance; the damping structure is damping calipers, the damping calipers are similar to splayed calipers in shape, one end of a caliper handle of the damping calipers is fixedly connected to a cantilever, and a caliper head of the damping calipers is clamped on an arc of a lower supporting ring through two bonded slewing damping sheets of the calipers; an adjusting device for adjusting damping force is arranged in the caliper handle, a blind hole is formed in the caliper handle and provided with a pressure spring, a spring push sliding block, a locking nut and an adjusting bolt, and the locking nut and the adjusting bolt are arranged at a handle opening of the caliper handle; and proper damping force, namely, precise slewing force during slewing of the manual slewing cantilever crane, of the damping calipers to the lower supporting ring is obtained by adjusting the locking nut and the adjusting bolt.
Description
Technical field
The present invention relates to a kind of swing type mechanism of Manual rotary boom crane, particularly disclose the swing type mechanism of the adjustable rotational resistance of a kind of Manual rotary boom crane.
Background technology
The plain bearing that the swing type mechanism in current Manual rotary boom crane field generally adopts revolution antifriction-bearing box to add rotating shaft or self-lubricating adds the structure of rotating shaft.It is less due to coefficient of rolling friction that revolution antifriction-bearing box adds the swing type mechanism of rotating shaft, and turning force generally all can occur too little and cause the phenomenon that cantilever can rotate voluntarily, safety factor is lower.And the swing type mechanism that the plain bearing of self-lubricating adds rotating shaft is comparatively large due to coefficient of sliding resistance, turning force can be there is too large and cause people to pull the power of cantilever comparatively large or draw motionless, cause the low of production efficiency.
Summary of the invention
The object of the invention is the defect existing for swing type mechanism improving existing Manual rotary boom crane, a kind of swing type mechanism of safe and reliable, Manual rotary boom crane that production efficiency is high is provided, discloses the swing type mechanism of the adjustable rotational resistance of a kind of Manual rotary boom crane.
The present invention is achieved in that the swing type mechanism of the adjustable rotational resistance of a kind of Manual rotary boom crane, comprise cantilever rotating shaft and antifriction-bearing box, it is characterized in that: the swing type mechanism of described Manual rotary boom crane also comprises the damping structure of an adjustable rotational resistance; Described damping structure is damping clamp, damping clamp likeness in form splayed clamp, and the clamp handle one of damping clamp is fastened on cantilever, and the clamp head of damping clamp is clamped on the circular arc of lower support circle by the bonding two panels gyrodamping sheet of pincers; Be provided with the control apparatus of damping adjusting power in described clamp handle, clamp handle is provided with a blind hole, and described blind hole is provided with holddown spring, spring promotes slide block, jam nut and adjusting bolt, and described jam nut and adjusting bolt are located at clamp handle handle mouth; By adjusting lock nut and adjusting bolt, obtain suitable damping clamp to the dumping force of lower support circle, accurate turning force during namely Manual rotary boom crane revolution.
Described clamp handle one is connected on cantilever by two bolt of rear end plates of damping member supports seat.Head and the damping member supports seat of described clamp handle are connected and fixed; The caliper portion of described damping clamp is regulated by holddown spring and adjusting bolt, and the dumping force of damping clamp to lower support circle circular arc changes.
The invention has the beneficial effects as follows: accurate turning force when the present invention regulates Manual rotary boom crane suspending arm rotary by the combined action of lower support circle and damping clamp, what overcome that current Manual rotary boom crane occurs when turning round cantilever reduces production efficiency because turning force is too large or causes the defect of safety misadventure because turning force is too little, significantly improves the safety of Manual rotary boom crane, reliability and production efficiency.
Accompanying drawing explanation
Fig. 1 is the structural blast schematic diagram of the Manual rotary boom crane of the present invention swing type mechanism of adjustable rotational resistance.
Fig. 2 is the sectional structure schematic diagram of the Manual rotary boom crane of the present invention swing type mechanism of adjustable rotational resistance.
Fig. 3 is that damping clamp A-A in Fig. 2 is to analysing and observe partial enlarged drawing.
In the drawings: 1, cantilever rotating shaft; 2, antifriction-bearing box; 3, damping clamp; 4, clamp handle; 5, cantilever; 6, clamp head; 7, gyrodamping sheet; 8, lower support circle; 9, blind hole; 10, holddown spring; 11, spring promotes slide block; 12, jam nut; 13, adjusting bolt; 14, damping member supports seat; 15, bolt of rear end plate.
Detailed description of the invention
With reference to the accompanying drawings 1 ~ 3, the Manual rotary boom crane of the present invention structure of the swing type mechanism of adjustable rotational resistance comprises the damping structure of cantilever rotating shaft 1, antifriction-bearing box 2 and an adjustable rotational resistance; Described damping structure is damping clamp 3, damping clamp 3 are similar to splayed clamp, the clamp handle 4 one of damping clamp 3 is fastened on cantilever 5, and the clamp head 6 of damping clamp 3 is clamped on the circular arc of lower support circle 8 by the bonding two panels gyrodamping sheet 7 of pincers; The control apparatus of damping adjusting power is provided with in described clamp handle 4, clamp handle 4 is provided with a blind hole 9, described blind hole 9 is provided with holddown spring 10, spring promotes slide block 11, jam nut 12 and adjusting bolt 13, and described jam nut 12 and adjusting bolt 13 are located at clamp handle 4 handle mouth; By adjusting lock nut 12 and adjusting bolt 13, obtain the dumping force of suitable damping clamp 3 pairs of lower support circles 8, accurate turning force during namely Manual rotary boom crane revolution.
Described clamp handle 4 one is connected on cantilever 5 by two bolt of rear end plates 15 of damping member supports seat 14.Head and the damping member supports seat 14 of described clamp handle 4 are connected and fixed; The caliper portion of described damping clamp 3 is regulated by holddown spring 10 and adjusting bolt 13, and the dumping force of damping clamp 3 pairs of lower support circle 8 circular arcs changes.
Accurate turning force when the present invention regulates Manual rotary boom crane suspending arm rotary by the combined action of lower support circle and damping clamp, what overcome that current Manual rotary boom crane occurs when turning round cantilever reduces production efficiency because turning force is too large or causes the defect of safety misadventure because turning force is too little, significantly improves the safety of Manual rotary boom crane, reliability and production efficiency.
Claims (3)
1. a Manual rotary boom crane swing type mechanism for adjustable rotational resistance, comprises cantilever rotating shaft and antifriction-bearing box, it is characterized in that: the swing type mechanism of described Manual rotary boom crane also comprises the damping structure of an adjustable rotational resistance; Described damping structure is damping clamp, damping clamp likeness in form splayed clamp, and the clamp handle one of damping clamp is fastened on cantilever, and the clamp head of damping clamp is clamped on the circular arc of lower support circle by the bonding two panels gyrodamping sheet of pincers; Be provided with the control apparatus of damping adjusting power in described clamp handle, clamp handle is provided with a blind hole, and described blind hole is provided with holddown spring, spring promotes slide block, jam nut and adjusting bolt, and described jam nut and adjusting bolt are located at clamp handle handle mouth; By adjusting lock nut and adjusting bolt, obtain suitable damping clamp to the dumping force of lower support circle, accurate turning force during namely Manual rotary boom crane revolution.
2. the Manual rotary boom crane swing type mechanism of adjustable rotational resistance according to claim 1, is characterized in that: described clamp handle one is connected on cantilever by two bolt of rear end plates of damping member supports seat.
3. the Manual rotary boom crane swing type mechanism of adjustable rotational resistance according to claim 1, is characterized in that: head and the damping member supports seat of described clamp handle are connected and fixed; The caliper portion of described damping clamp is regulated by holddown spring and adjusting bolt, and the dumping force of damping clamp to lower support circle circular arc changes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610116783.9A CN105565192A (en) | 2016-03-02 | 2016-03-02 | Slewing mechanism capable of adjusting rotating resistance for manual slewing cantilever crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610116783.9A CN105565192A (en) | 2016-03-02 | 2016-03-02 | Slewing mechanism capable of adjusting rotating resistance for manual slewing cantilever crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105565192A true CN105565192A (en) | 2016-05-11 |
Family
ID=55875920
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610116783.9A Pending CN105565192A (en) | 2016-03-02 | 2016-03-02 | Slewing mechanism capable of adjusting rotating resistance for manual slewing cantilever crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105565192A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107324228A (en) * | 2017-08-20 | 2017-11-07 | 南京恒众机械有限公司 | A kind of switch board hanging apparatus |
| CN107962554A (en) * | 2017-12-14 | 2018-04-27 | 哈尔滨工业大学 | A kind of high accuracy large span steel-making carrying cantilever-rotating platform |
| CN109352040A (en) * | 2018-11-28 | 2019-02-19 | 莆田市森达数控机械有限公司 | A kind of numerical control radial miller |
| CN111114564A (en) * | 2020-02-07 | 2020-05-08 | 吕梁学院 | Tipping bucket type mine car convenient to dump based on coal mining |
| CN112158741A (en) * | 2020-10-30 | 2021-01-01 | 武汉德创天成科技发展有限公司 | Device for fixing upper pivoting body of construction engineering machinery |
| CN115321387A (en) * | 2022-08-25 | 2022-11-11 | 广州市环深机电设备有限公司 | Stable type rotating device of tower crane |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19748601A1 (en) * | 1997-11-04 | 1999-05-12 | Vetter Foerdertechnik Gmbh | Swivel bearing for jib of pillar crane |
| CN203582335U (en) * | 2013-09-22 | 2014-05-07 | 南车株洲电力机车研究所有限公司 | Cantilever crane of engine room |
| CN203682936U (en) * | 2013-12-31 | 2014-07-02 | 湖北蒲圻起重机械有限公司 | Manual wall-type cantilever crane |
-
2016
- 2016-03-02 CN CN201610116783.9A patent/CN105565192A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19748601A1 (en) * | 1997-11-04 | 1999-05-12 | Vetter Foerdertechnik Gmbh | Swivel bearing for jib of pillar crane |
| CN203582335U (en) * | 2013-09-22 | 2014-05-07 | 南车株洲电力机车研究所有限公司 | Cantilever crane of engine room |
| CN203682936U (en) * | 2013-12-31 | 2014-07-02 | 湖北蒲圻起重机械有限公司 | Manual wall-type cantilever crane |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107324228A (en) * | 2017-08-20 | 2017-11-07 | 南京恒众机械有限公司 | A kind of switch board hanging apparatus |
| CN107962554A (en) * | 2017-12-14 | 2018-04-27 | 哈尔滨工业大学 | A kind of high accuracy large span steel-making carrying cantilever-rotating platform |
| CN109352040A (en) * | 2018-11-28 | 2019-02-19 | 莆田市森达数控机械有限公司 | A kind of numerical control radial miller |
| CN111114564A (en) * | 2020-02-07 | 2020-05-08 | 吕梁学院 | Tipping bucket type mine car convenient to dump based on coal mining |
| CN112158741A (en) * | 2020-10-30 | 2021-01-01 | 武汉德创天成科技发展有限公司 | Device for fixing upper pivoting body of construction engineering machinery |
| CN115321387A (en) * | 2022-08-25 | 2022-11-11 | 广州市环深机电设备有限公司 | Stable type rotating device of tower crane |
| CN115321387B (en) * | 2022-08-25 | 2023-12-29 | 广州市环深机电设备有限公司 | Stable rotary device of tower crane |
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Legal Events
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160511 |