CN206463375U - Rig anti-falling overhead device - Google Patents
Rig anti-falling overhead device Download PDFInfo
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- CN206463375U CN206463375U CN201621459754.4U CN201621459754U CN206463375U CN 206463375 U CN206463375 U CN 206463375U CN 201621459754 U CN201621459754 U CN 201621459754U CN 206463375 U CN206463375 U CN 206463375U
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- steel wire
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Abstract
The utility model is related to a kind of rig anti-falling overhead device, including shell body, spring housing, scroll spring, the safety hook of steel wire rope and connecting steel wire ropes；Shell body includes main casing and sub-shell, it is mounted in housing gland, housing gland being provided with the outside of main casing and sub-shell on double bond groove, main casing and is additionally provided with claw collar, main casing installs conductor rope copper sheathing together with sub-shell spiral-lock in main casing and sub-shell spiral-lock posterior end oral area；Stretching assembly is installed in the inside of main casing and sub-shell, the stretching assembly includes：Spring main casing, spring sub-shell, twisted axis, scroll spring and steel wire rope, form rope belt and move the major and minor housing of spring, and the major and minor housing of spring drives the stretching assembly that scroll spring is rotated on twisted axis.The utility model has simple in construction, easy to install, perfect in shape and function, performance stabilization, safety coefficient high, can be locked in time on the steel wire rope of anti-falling device, to work high above the ground, personnel play a protective role when staff falls suddenly.
Description
Technical field
The utility model belongs to oil drilling security technology area, more particularly to a kind of rig anti-falling overhead device.
Background technology
At present, oil drilling staff does not install pendant in tens meters of high derrick crowns and quadruple board platform maintenance activity
Fall protection device, it is most likely that cause the major accident of worker fall's injures and deaths, what oil drilling industry was used at this stage prevents
Falling apparatus is substantially the product of building trade, using there is problems with and defect on rig：Firstth, the high-altitude of domestic production
Anti-falling device produces high humidity, the high salinity environment of a large amount of mud when not applying to oil well probing, often result in steel wire rope and each part
Corrosion, it is impossible to normally use, second, scroll spring elastic force deficiency or construction be not near rationally, causes steel wire rope sometimes can not be automatic
Within rollback housing or brake hard is less reliable, the safety of staff is easily injured.
The content of the invention
The utility model provides a kind of simple in construction, side of installing and using to solve technical problem present in known technology
Just, perfect in shape and function, performance stabilization, safety coefficient are high, can be locked at anti-falling device in time when staff falls suddenly
On steel wire rope, the rig anti-falling overhead device that work high above the ground personnel are played a protective role.
The utility model is adopted the technical scheme that to solve technical problem present in known technology：
A kind of rig anti-falling overhead device, it is characterised in that：Including shell body, spring housing, scroll spring, steel wire rope,
And the safety hook of connecting steel wire ropes；The shell body is included on the outside of main casing and sub-shell, the main casing and sub-shell
It is mounted on being provided with double bond groove, the main casing in housing gland, the axis hole of the housing gland and is additionally provided with claw collar；
The main casing is connected together with sub-shell spiral-lock, and by fastener, after main casing and sub-shell spiral-lock
Lower end oral area installs conductor rope copper sheathing；Stretching assembly is installed in the inside of main casing and sub-shell, the stretching assembly is mainly wrapped
Include：Lead in spring main casing, spring sub-shell, twisted axis, scroll spring and steel wire rope, the centre bore of the main casing and sub-shell
Cross self-lubricating bearing and twisted axis is installed, the twisted axis is in axial direction provided with scroll spring mounting groove, the twisted axis and is set with scrollwork
Spring, the other end of scroll spring is fixed on the fixing hole of the inwall of spring main casing or spring sub-shell；The spring master
Hull outside, which is arranged with step, the step, is provided with support shaft, and crevis, two are separately installed with the support shaft
Installed between individual crevis and stop collar is provided between two extension springs, two crevis, the stop collar, which is arranged on, to be twisted
On axle；Spring main casing and spring sub-shell are fitted together with bolt, are formed outside spring main casing and spring sub-shell
Groove in lay winding wire ropes, steel wire rope simultaneously draws from the bottom of shell body, forms rope belt and moves the major and minor housing of spring, bullet
The major and minor housing of spring drives the stretching assembly that scroll spring is rotated on twisted axis.
The utility model can also use following technical measures：
Rubber protecting jacket is provided with steel wire rope hook top described in the lower end of shell body.
The utility model has the advantages and positive effects of：Because the utility model uses above-mentioned technical proposal and tradition
Anti-falling overhead device compare there is reasonable in design, perfect in shape and function, safety coefficient is high.And rational construction has been used, has been selected
Height anti-corrosion steel wire rope and high resiliency scroll spring, managed outside corresponding anti-corrosion, have been more suitable for field drilling onsite application,
Being capable of the brake hard when staff falls suddenly, it is ensured that safety.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is Fig. 1 left view；
Fig. 3 is main shell structure schematic diagram；
Fig. 4 is Fig. 3 rearview；
Fig. 5 is sub-shell structural representation；
Fig. 6 is Fig. 5 rearview；
Fig. 7 is the utility model internal structure schematic diagram；
Fig. 8 is spring main shell structure schematic diagram；
Fig. 9 is Fig. 9 right view；
Figure 10 springs main casing and spring sub-shell assembling structure schematic diagram；
Figure 11 is twisted axis structural representation；
Figure 12 is scroll spring structural representation；
Figure 13 is free state structural representation；
Figure 14 is locking state structural representation.
In figure：1st, shell body；1-1, main casing；1-2, sub-shell；1-3, housing gland；1-4, keyway；1-5, claw collar；
2nd, spring housing；3rd, scroll spring；4th, steel wire rope；5th, safety hook；6th, conductor rope copper sheathing；7th, stretching assembly；7-1, spring main casing
Body；7-10, step；7-2, spring sub-shell；7-3, twisted axis；7-30, scroll spring mounting groove；7-4, scroll spring；7-5, from
Lubricate bearing；7-6, support shaft；7-7, crevis；7-8, extension spring；7-9, stop collar；8th, rubber protecting jacket.
Embodiment
For invention, features and effects of the present utility model can be further appreciated that, following examples are hereby enumerated, and coordinate
Accompanying drawing describes in detail as follows：
Fig. 1 is referred to Figure 14, a kind of rig anti-falling overhead device, including shell body 1, spring housing 2, scroll spring 3,
The safety hook 5 of steel wire rope 4 and connecting steel wire ropes；The shell body includes main casing 1-1 and sub-shell 1-2, the main casing
It is mounted on being provided with double bond groove 1-4, the main casing in housing gland 1-3, the axis hole of the housing gland on the outside of body and sub-shell
Claw collar 1-5 is additionally provided with body, the main casing is connected together with sub-shell spiral-lock, and by fastener, in main casing and
Sub-shell spiral-lock posterior end oral area installs conductor rope copper sheathing 6；Stretching assembly 7 is installed in the inside of main casing and sub-shell, it is described
Stretching assembly mainly includes：Spring main casing 7-1, spring sub-shell 7-2, twisted axis 7-3, scroll spring 7-4 and steel wire rope 4, institute
State in main casing 1-1 and sub-shell 1-2 centre bore and twisted axis 7-3, the twisted axis 7-3 are installed along axle by self-lubricating bearing 7-5
It is provided with to direction on scroll spring mounting groove 7-30, the twisted axis and is set with scroll spring 7-4, the other end of scroll spring is fixed on
On the fixing hole of the inwall of spring main casing or spring sub-shell；Step 7-10 is arranged with the outside of the spring main casing 7-1,
The locking for being separately installed with and being nested with main casing upper tooth on support shaft 7-6, the support shaft 7-6 is installed on the step
Installed between ratchet 7-7, two crevis and stop collar 7-9, institute are provided between two extension spring 7-8, two crevis
Stop collar is stated on twisted axis 7-3；Spring main casing and spring sub-shell are fitted together with bolt, in spring main casing and
Lay winding wire ropes in the groove formed outside spring sub-shell, steel wire rope is simultaneously drawn from the bottom of shell body, forms rope belt
The major and minor housing of spring of moving, the major and minor housing of spring drives the stretching assembly that scroll spring is rotated on twisted axis.In order to prevent steel wire
Rope is worn and torn with shell body, and rubber protecting jacket 8 is provided with steel wire rope hook top described in the lower end of shell body.
When staff falls suddenly, rope belt moves spring housing and rotated at a high speed, makes crevis powerful
Opened under centrifugal action, be locked in time on the tooth bank in main casing gland, realize brake hard, it is ensured that staff pacifies
Entirely.When needing in steel wire rope rollback housing, staff loosens steel wire rope, and scroll spring is automatically by steel wire rope rollback housing
It is interior, compared using above-mentioned technical proposal with traditional anti-falling overhead device with reasonable in design, perfect in shape and function, safety coefficient is high.
And rational construction has been used, height anti-corrosion steel wire rope and high resiliency scroll spring has been selected, carried out outside corresponding anti-corrosion
Reason, is more suitable for field drilling onsite application, being capable of the brake hard when staff falls suddenly, it is ensured that safety.
Described above is only, to preferred embodiment of the present utility model, not to make any formal to the utility model
Limitation, it is every according to technical spirit of the present utility model to any simple modification made for any of the above embodiments, equivalent variations with
Modification, is belonged in the range of technical solutions of the utility model.
Claims (2)
1. a kind of rig anti-falling overhead device, it is characterised in that：Including shell body, spring housing, scroll spring, steel wire rope, with
And the safety hook of connecting steel wire ropes；The shell body is included on the outside of main casing and sub-shell, the main casing and sub-shell
It is provided with to be provided with double bond groove, the main casing in housing gland, the axis hole of the housing gland and is additionally provided with claw collar, the master
Housing is connected together with sub-shell spiral-lock, and by fastener, is installed and is led in main casing and sub-shell spiral-lock posterior end oral area
Rope copper sheathing；Stretching assembly is installed in the inside of main casing and sub-shell, the stretching assembly mainly includes：Spring main casing,
Pacified in spring sub-shell, twisted axis, scroll spring and steel wire rope, the centre bore of the main casing and sub-shell by self-lubricating bearing
Twisted axis is filled, the twisted axis is in axial direction provided with scroll spring mounting groove, the twisted axis and is set with scroll spring, scroll spring
The other end is fixed on the fixing hole of the inwall of spring main casing or spring sub-shell；It is arranged with the outside of the spring main casing
It is provided with step, the step in support shaft, the support shaft and is separately installed with crevis, is pacified between two crevis
Fill and stop collar is provided between two extension springs, two crevis, the stop collar is arranged on twisted axis；Spring main casing and
Spring sub-shell is fitted together with bolt, winding steel wire in the groove formed outside spring main casing and spring sub-shell
Rope, steel wire rope is simultaneously drawn from the bottom of shell body, is formed rope belt and is moved the major and minor housing of spring, and the major and minor housing of spring drives whirlpool
The stretching assembly that coil spring is rotated on twisted axis.
2. rig anti-falling overhead device according to claim 1, it is characterised in that in steel wire rope described in the lower end of shell body
Link up with top and be provided with rubber protecting jacket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621459754.4U CN206463375U (en) | 2016-12-28 | 2016-12-28 | Rig anti-falling overhead device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621459754.4U CN206463375U (en) | 2016-12-28 | 2016-12-28 | Rig anti-falling overhead device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206463375U true CN206463375U (en) | 2017-09-05 |
Family
ID=59712731
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621459754.4U Active CN206463375U (en) | 2016-12-28 | 2016-12-28 | Rig anti-falling overhead device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206463375U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108567393A (en) * | 2018-05-07 | 2018-09-25 | 华帝股份有限公司 | Dish-washing machine water pipe arrangement and its dish-washing machine |
| GB2565828A (en) * | 2017-08-24 | 2019-02-27 | Latchways Plc | Case or cradle for a fall arrest device |
-
2016
- 2016-12-28 CN CN201621459754.4U patent/CN206463375U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2565828A (en) * | 2017-08-24 | 2019-02-27 | Latchways Plc | Case or cradle for a fall arrest device |
| GB2565828B (en) * | 2017-08-24 | 2022-05-25 | Latchways Plc | Case or cradle for a fall arrest device |
| US11638843B2 (en) | 2017-08-24 | 2023-05-02 | Latchways Plc | Case or cradle for a fall arrest device |
| CN108567393A (en) * | 2018-05-07 | 2018-09-25 | 华帝股份有限公司 | Dish-washing machine water pipe arrangement and its dish-washing machine |
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