CN107265278A - Protection device is arrested in a kind of annulus chain haulage chain rupture - Google Patents
Protection device is arrested in a kind of annulus chain haulage chain rupture Download PDFInfo
- Publication number
- CN107265278A CN107265278A CN201610231996.6A CN201610231996A CN107265278A CN 107265278 A CN107265278 A CN 107265278A CN 201610231996 A CN201610231996 A CN 201610231996A CN 107265278 A CN107265278 A CN 107265278A
- Authority
- CN
- China
- Prior art keywords
- gripper
- chain
- haulage chain
- haulage
- protection device
- 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
Links
- 238000010276 construction Methods 0.000 claims description 4
- 239000000463 material Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
- B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
- B66C1/12—Slings comprising chains, wires, ropes, or bands; Nets
- B66C1/125—Chain-type slings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
- B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
- B66C1/12—Slings comprising chains, wires, ropes, or bands; Nets
- B66C1/122—Sling or load protectors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C15/00—Safety gear
- B66C15/02—Safety gear for retaining load-engaging elements in the event of rope or cable breakage
Abstract
The present invention announces a kind of annulus chain haulage chain rupture and arrests protection device, including support, left gripper, gripper axle, right gripper, spacing back-moving spring, haulage chain and traction connecting bridge；Traction connecting bridge is fixed on a chain link of haulage chain, support line centered on haulage chain is arranged symmetrically in haulage chain both sides, one group of left gripper, gripper axle and spacing back-moving spring are installed on the support in left side, one group of right gripper, gripper axle and spacing back-moving spring are installed on the support on right side.During normal operation, haulage chain and the traction connecting bridge being fixed on haulage chain run up and strut left gripper and right gripper；When occurring chain rupture or skidding, left gripper and right gripper can arrest support traction connecting bridge.Haulage chain and the traction connecting bridge being fixed on haulage chain can only arrest protection device relative to chain rupture and unidirectionally be run up in the present invention, reverse check, can effectively prevent the haulage chain after chain rupture and carrier from dropping.
Description
Technical field
Protection device is arrested the present invention relates to a kind of annulus chain haulage chain rupture.
Background technology
At present, the known protection device of arresting for mine thing Lifting Convey mainly has：The anti-fall catching device of BF series and fault-belt catching device.
Wherein, the anti-fall catching device of BF series is used to catch the disconnected rope grip of steel wire rope protection, and fault-belt catching device is used to protect the broken-belt catching of travelling belt.
But, when carrying out the Lifting Convey of material as the main bearing member of Lifting Convey with round-link chain, round-link chain is and current there is also the potential safety hazard of chain rupture
It at home and abroad there is no general, dependable performance the protection device arrested for round-link chain chain rupture.Protection device is arrested due to lacking reliable chain rupture,
On the one hand round-link chain is limited as the fortune that carries of Lifting Convey bearing member and tonnage and puies forward capacity power, and economy is restricted；On the other hand pole is also exposed
, there is the risk that the equipment occurred by chain rupture and material fall in big potential safety hazard, security has hidden danger.
The content of the invention
In order to overcome the disadvantages mentioned above and limitation of the arresting protection device presence that are currently used for mine thing Lifting Convey, the present invention proposes a kind of complete
Protection device is arrested in new construction, the annulus chain haulage chain rupture of brand-new function.
The technical solution adopted for the present invention to solve the technical problems is：Protection device is arrested in a kind of annulus chain haulage chain rupture, including support, a left side are grabbed
Pawl, gripper axle, right gripper, spacing back-moving spring, haulage chain) and traction connecting bridge；Described traction connecting bridge is fixed on a chain of haulage chain
On ring, support line centered on haulage chain is arranged symmetrically in haulage chain both sides, and one group of left gripper, gripper axle and spacing multiple are installed on the support in left side
Position spring, installs one group of right gripper, gripper axle and spacing back-moving spring on the support on right side.
It is further：Described left gripper and right gripper can be rotated around gripper axle, and the top tip position of left gripper and right gripper is processed into directly
Corner structure, square position rounding.
When described spacing back-moving spring extrudes left gripper and right gripper in the raw, grabbed in the elastic force of spacing back-moving spring and left gripper, the right side
In the presence of pawl self gravitation, the tip position of left gripper and right gripper is overlapped on the arc position at chain link two ends in haulage chain.
Draw connecting bridge and include crane span structure, bridge pin, connection fork, balance connecting pin, load-bearing ring, symmetrically cut with scissors two haulage chain load-bearing rings using bridge pin
Crane span structure both sides are connected on, crane span structure is hinged by balancing connecting pin with being connected fork, form lever construction, realize stress balance.
In accidental conditions, haulage chain and the traction connecting bridge edge being fixed on haulage chain are run up perpendicular to the direction of support, in traction
During connecting bridge arrests protection device by chain rupture, left gripper and right gripper are by traction connecting bridge positive opening, and left gripper is counterclockwise around gripper axle
Rotate a certain angle, right gripper turns clockwise certain angle around gripper axle, spacing back-moving spring is compressed by left gripper and right gripper
Deformation；Traction connecting bridge is arrested after protection device by chain rupture, the collective effect of left gripper and right gripper in self gravitation and spacing back-moving spring elastic force
Lower automatic rotate is closed to original state, and the tip position of left gripper and right gripper is overlapped on the arc position at chain link two ends in haulage chain.
When haulage chain occurs chain rupture or skidded, relative to support downwards relative occurs for haulage chain and the traction connecting bridge being fixed on haulage chain
During motion, traction connecting bridge impacts downwards left gripper and right gripper, and left gripper turns clockwise certain angle around gripper axle, and right gripper is around gripper axle
The certain angle of rotate counterclockwise, left gripper and right gripper occur self-locking bracket and stayed the traction connecting bridge of pendant, occur the haulage chain of chain rupture or skidding and
Traction connecting bridge is arrested safely by left gripper and right gripper.
Brief description of the drawings
Fig. 1 is that protection device structural representation (arresting guard mode) is arrested in annulus chain haulage chain rupture of the present invention；
Fig. 2 is that protection device structural representation (state of the traction connecting bridge after) is arrested in annulus chain haulage chain rupture of the present invention；
Fig. 3 is that protection device structural representation (state of traction connecting bridge in) is arrested in annulus chain haulage chain rupture of the present invention；
Fig. 4 is traction connecting bridge structure chart.
In figure：1st, support, 2, left gripper, 3, gripper axle, 4, right gripper, 5, spacing back-moving spring, 6, haulage chain, 7, traction connects
Connect bridge, 7.1, crane span structure, 7.2, bridge pin, 7.3, connection fork, 7.4, balance connecting pin, 7.5, load-bearing ring.
Embodiment
The following is the specific embodiment of the present invention, in conjunction with accompanying drawing, the present invention will be further described.
As shown in Figures 1 to 4, protection device, including support 1, left gripper 2, gripper axle 3, right gripper are arrested in a kind of annulus chain haulage chain rupture
4th, spacing back-moving spring 5, haulage chain 6 and traction connecting bridge 7；Described traction connecting bridge 7 is fixed on a chain link of haulage chain 6, support
1 centered on haulage chain 6 line be arranged symmetrically in the both sides of haulage chain 6, one group of left gripper 2, gripper axle 3 and spacing are installed on the support 1 in left side
Back-moving spring 5, installs one group of right gripper 4, gripper axle 3 and spacing back-moving spring 5 on the support 1 on right side；Left gripper 2 and right gripper 4 can
Rotated around gripper axle 3, the top tip position processing right angle configuration of left gripper 2 and right gripper 4, square position rounding；Spacing back-moving spring
5 when extruding left gripper 2 and right gripper 4 in the raw, the elastic force and left gripper 2, the self gravitation of right gripper 4 in spacing back-moving spring 5
Under effect, the tip position of left gripper 2 and right gripper 4 is overlapped on the arc position at chain link two ends in haulage chain 6；Draw connecting bridge 7 and include crane span structure
7.1st, two haulage chain load-bearing rings 7.5, are symmetrically hinged by bridge pin 7.2, connection fork 7.3, balance connecting pin 7.4, load-bearing ring 7.5 using bridge pin 7.2
In the both sides of crane span structure 7.1, crane span structure 7.1 is hinged by balancing connecting pin 7.4 with being connected fork 7.3, is formed lever construction, is realized stress balance.
In accidental conditions, haulage chain 6 and the traction connecting bridge 7 being fixed on haulage chain 6 are run up along perpendicular to the direction of support 1,
During traction connecting bridge 7 arrests protection device by chain rupture, as shown in figure 3, left gripper 2 and right gripper 4 are forced by traction connecting bridge 7
Open, left gripper 2 is around the certain angle of the rotate counterclockwise of gripper axle 3, and right gripper 4 turns clockwise certain angle around gripper axle 3, spacing multiple
By left gripper 2 and the extruding of right gripper 4 compression is occurred for position spring 5；As shown in Fig. 2 traction connecting bridge 7 is arrested after protection device by chain rupture,
The automatic rotation under the collective effect of self gravitation and the elastic force of spacing back-moving spring 5 of left gripper 2 and right gripper 4 is closed to original state, left gripper 2
The arc position at chain link two ends in haulage chain 6 is overlapped on the tip position of right gripper 4.
When haulage chain 6 occurs chain rupture or skidded, haulage chain 6 and the traction connecting bridge 7 being fixed on haulage chain 6 occur relative to support 1
During downward relative motion, as shown in figure 1, traction connecting bridge 7 impacts downwards left gripper 2 and right gripper 4, left gripper 2 is around the up time of gripper axle 3
Pin rotates a certain angle, and right gripper 4 is around the certain angle of the rotate counterclockwise of gripper axle 3, and left gripper 2 and right gripper 4 occur self-locking bracket and stayed pendant
Traction connecting bridge 7, occur the haulage chain 6 of chain rupture or skidding and traction connecting bridge 7 and arrested by left gripper 2 and the safety of right gripper 4.
In the present invention, haulage chain 6 and the traction connecting bridge 7 being fixed on haulage chain 6 can only be arrested relative to chain rupture protection device carry out it is unidirectional to
Upper operation, reverse check can effectively prevent the haulage chain after chain rupture 6 and carrier from dropping.
Claims (4)
1. protection device is arrested in a kind of annulus chain haulage chain rupture, it is characterised in that：Protection device includes support (1), left gripper (2), gripper axle (3), right gripper (4), spacing back-moving spring (5), haulage chain (6) and traction connecting bridge (7)；Described traction connecting bridge (7) is fixed on a chain link of haulage chain (6), support (1) line centered on haulage chain (6) is arranged symmetrically in haulage chain (6) both sides, one group of left gripper (2), gripper axle (3) and spacing back-moving spring (5) are installed on the support (1) in left side, one group of right gripper (4), gripper axle (3) and spacing back-moving spring (5) are installed on the support (1) on right side.
2. protection device is arrested in annulus chain haulage chain rupture according to claim 1, it is characterised in that：Left gripper (2) and right gripper (4) can rotate around gripper axle (3), the top tip position processing right angle configuration of left gripper (2) and right gripper (4), square position rounding.
3. protection device is arrested in annulus chain haulage chain rupture according to claim 1, it is characterised in that：When spacing back-moving spring (5) extrudes left gripper (2) and right gripper (4) in the raw, in the presence of elastic force and left gripper (2), right gripper (4) self gravitation in spacing back-moving spring (5), the tip position of left gripper (2) and right gripper (4) is overlapped on the arc position at chain link two ends in haulage chain (6).
4. protection device is arrested in the annulus chain haulage chain rupture according to claim 1, it is characterised in that：Draw connecting bridge (7) and include crane span structure (7.1), bridge pin (7.2), connection fork (7.3), balance connecting pin (7.4), load-bearing ring (7.5), two haulage chain load-bearing rings (7.5) are symmetrically hinged on crane span structure (7.1) both sides using bridge pin (7.2), crane span structure (7.1) is hinged by balancing connecting pin (7.4) with being connected fork (7.3), lever construction is formed, stress balance is realized.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610231996.6A CN107265278A (en) | 2016-04-09 | 2016-04-09 | Protection device is arrested in a kind of annulus chain haulage chain rupture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610231996.6A CN107265278A (en) | 2016-04-09 | 2016-04-09 | Protection device is arrested in a kind of annulus chain haulage chain rupture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107265278A true CN107265278A (en) | 2017-10-20 |
Family
ID=60052957
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610231996.6A Pending CN107265278A (en) | 2016-04-09 | 2016-04-09 | Protection device is arrested in a kind of annulus chain haulage chain rupture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107265278A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111532979A (en) * | 2020-05-14 | 2020-08-14 | 钱进 | Hoisting equipment and rope inlet and outlet device thereof |
| WO2021098884A1 (en) * | 2019-11-23 | 2021-05-27 | 刘素华 | Belt breakage preventing broken-chain belt grabbing conveyor implementing belt breakage preventing broken-chain belt grabbing method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20110010665A (en) * | 2011-01-14 | 2011-02-01 | 세계실업(주) | The fall prevention apparatus for industrial lift |
| CN201915677U (en) * | 2010-08-16 | 2011-08-03 | 安徽鸿路钢结构(集团)股份有限公司 | Device for preventing falling during chain rupture |
| CN104192533A (en) * | 2014-08-28 | 2014-12-10 | 中冶长天国际工程有限责任公司 | Chain breakage protection device for ascending section of conveying chain and conveyer |
| CN204384653U (en) * | 2015-01-07 | 2015-06-10 | 何中宝 | A kind of lifting container anti-fall device for shaft mineshaft construction |
| CN204691203U (en) * | 2015-06-05 | 2015-10-07 | 云南建筑机械厂 | A kind of attachment type raise scaffold anti-drop device |
| CN205575371U (en) * | 2016-04-09 | 2016-09-14 | 徐州中矿科光机电新技术有限公司 | Round -link chain pulls chain rupture and arrests protection device |
-
2016
- 2016-04-09 CN CN201610231996.6A patent/CN107265278A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201915677U (en) * | 2010-08-16 | 2011-08-03 | 安徽鸿路钢结构(集团)股份有限公司 | Device for preventing falling during chain rupture |
| KR20110010665A (en) * | 2011-01-14 | 2011-02-01 | 세계실업(주) | The fall prevention apparatus for industrial lift |
| CN104192533A (en) * | 2014-08-28 | 2014-12-10 | 中冶长天国际工程有限责任公司 | Chain breakage protection device for ascending section of conveying chain and conveyer |
| CN204384653U (en) * | 2015-01-07 | 2015-06-10 | 何中宝 | A kind of lifting container anti-fall device for shaft mineshaft construction |
| CN204691203U (en) * | 2015-06-05 | 2015-10-07 | 云南建筑机械厂 | A kind of attachment type raise scaffold anti-drop device |
| CN205575371U (en) * | 2016-04-09 | 2016-09-14 | 徐州中矿科光机电新技术有限公司 | Round -link chain pulls chain rupture and arrests protection device |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021098884A1 (en) * | 2019-11-23 | 2021-05-27 | 刘素华 | Belt breakage preventing broken-chain belt grabbing conveyor implementing belt breakage preventing broken-chain belt grabbing method |
| CN112938403A (en) * | 2019-11-23 | 2021-06-11 | 刘素华 | Conveyor capable of preventing broken belt and chain belt from being broken by implementing method for preventing broken belt and chain belt from being broken |
| CN111532979A (en) * | 2020-05-14 | 2020-08-14 | 钱进 | Hoisting equipment and rope inlet and outlet device thereof |
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