CN202785356U - Auxiliary anti-falling pulley device for oil drilling rig crane - Google Patents
Auxiliary anti-falling pulley device for oil drilling rig crane Download PDFInfo
- Publication number
- CN202785356U CN202785356U CN 201220377983 CN201220377983U CN202785356U CN 202785356 U CN202785356 U CN 202785356U CN 201220377983 CN201220377983 CN 201220377983 CN 201220377983 U CN201220377983 U CN 201220377983U CN 202785356 U CN202785356 U CN 202785356U
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- Prior art keywords
- fall arrest
- oil
- traveling crane
- overhead traveling
- pulley
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Abstract
The utility model discloses an auxiliary anti-falling pulley device for an oil drilling rig crane. The auxiliary anti-falling pulley device is characterized by mainly comprising a mounting component, and a pulley device which is connected to the mounting component and can rotate, wherein an anti-falling component is also arranged on the pulley device. The auxiliary anti-falling pulley device not only is simple in structure, but also is low in cost; and a hanging bracket also can rotate, so that the utilization rate of mechanical effect is improved, and meanwhile, the pulley device also can be prevented from falling off, so as to improve the safety performance when the auxiliary anti-falling pulley device is used. Thus, the auxiliary anti-falling pulley device is suitable for popularization and application.
Description
Technical field
The utility model relates to a kind of accessory appliances for oil-well rig, specifically refers to a kind of fall arrest auxiliary pulley device for the oil-well rig overhead traveling crane.
Background technology
Overhead traveling crane has the effect that changes drilling well rope direction as the visual plant of rig hoisting system.Simultaneously, overhead traveling crane can also alleviate the load of winch, thereby makes elevator system obtain larger mechanical effect.Overhead traveling crane is installed in the top of oil-well rig, belongs to aloft work, and also needs to install the auxiliary pulley device on overhead traveling crane.Traditional auxiliary pulley apparatus structure is complicated, uses inconvenience, and its suspension bracket can not rotate, thereby auxiliary pulley is worn easily, finally causes the loss of mechanical effect, has therefore reduced the degree of utilization of mechanical effect.
The utility model content
It is complicated that the purpose of this utility model is to overcome traditional auxiliary pulley apparatus structure, use inconvenience, and its suspension bracket can not rotate, thereby auxiliary pulley is worn easily, finally cause the defective of the loss of mechanical effect, provide a kind of not only simple in structure, and with low cost, its suspension bracket can also rotate, thereby improved the degree of utilization of mechanical effect, simultaneously can also prevent that pulley gear from falling, thereby improve the fall arrest auxiliary pulley device that is used for the oil-well rig overhead traveling crane of the safety of pulley gear.
The utility model is achieved through the following technical solutions: a kind of fall arrest auxiliary pulley device for the oil-well rig overhead traveling crane, mainly by installation component, be connected on this installation component and the pulley gear that can rotate forms, on described pulley gear, also be provided with fall arrest assembly.
Further, described installation component mainly is comprised of the tie bolt with screw rod, the tightening nut that is enclosed within on this screw rod, and described pulley gear then is connected on the screw rod.
Further, described pulley gear mainly is comprised of the ring buckle that is enclosed within on the screw rod and can rotate, the pulley assembly that is arranged on the ring buckle.
For the ease of the rotary annular button, be provided with the rotating hole that matches with screw rod at described ring buckle, described rotating hole be enclosed within after screw rod cooperates on the screw rod and can rotate.
For meet requirements, described pulley assembly mainly by be connected on the ring buckle and lay respectively at the ring buckle both sides two suspension brackets, run through axle that these two suspension brackets and one end have end cap, be enclosed within on this axle and can rotate and pulley between described two suspension brackets forms, also be provided with fixation kit at the other end of described axle.
For the ease of axle is fixed on the suspension bracket, deviate from suspension bracket to prevent axle, described fixation kit comprises the adapter plate that is arranged on the axle other end, the fix screw that connects this adapter plate and suspension bracket.
For the ease of connecting two suspension brackets, on described suspension bracket, also be provided with the tie bolt that connects these two suspension brackets, on this tie bolt, also be provided with the coupling nut.
In order to prevent that pulley gear from falling owing to stressed in use, described fall arrest assembly comprises the safety rope and the ear seat that is arranged on these safety rope two ends that runs through two suspension brackets and be positioned at the pulley below.
In order to realize better the utility model, be provided with the fall arrest hole of matching with safety rope at described suspension bracket, described safety rope runs through the fall arrest hole and can slide along the sidewall in fall arrest hole.
In order to ensure effect, described safety rope is steel rope.
The utility model compared with prior art has the following advantages and beneficial effect:
(1) the utility model is not only simple in structure, and with low cost, and is easy to use.
(2) be connected with installation component on the pulley gear of the present utility model, conveniently by this installation component the utility model be connected on the overhead traveling crane of oil-well rig.
(3) ring buckle of the present utility model is provided with the rotating hole that matches with screw rod, described ring buckle by this rotating hole be enclosed within after screw rod cooperates on this screw rod and can rotate, thereby the pulley assembly that is connected on this ring buckle can be rotated.
(4) suspension bracket of the present utility model is provided with the axle that connects these two suspension brackets, conveniently by this axle pulley is connected on the suspension bracket; Described pulley between two suspension brackets, by these two suspension brackets can prevent limited slip wheel on axle along the endwisely slipping of axle, therefore make the motion of pulley more stable.
(5) axle of the present utility model is provided with fixation kit, convenient by this fixation kit axle is fixed on the suspension bracket, thereby prevents that axle from deviating from suspension bracket.
(6) adapter plate of the present utility model is provided with bolt of rear end plate, then adapter plate can be connected on the suspension bracket by this bolt of rear end plate, thereby axle is fixed on the suspension bracket, can prevent that axle from deviating from suspension bracket.
(7) suspension bracket of the present utility model is provided with tie bolt, by this tie bolt structure that two suspension brackets can be connected as a single entity, thereby makes things convenient for this two hanger supports pulleys.
(8) also be provided with fall arrest assembly on the pulley gear of the present utility model, can prevent pulley gear in use because of stressed falling by this fall arrest assembly, thereby improved the safety performance when the utility model uses.
(9) fall arrest assembly of the present utility model comprises the safety rope that passes suspension bracket and the ear seat that is arranged on these safety rope two ends, during use two ear seats are installed on the overhead traveling crane of oil-well rig, thereby pulley gear is suspended on the safety rope, even also can pulley gear be hung on overhead traveling crane by safety rope when gravity is excessive to come off the tie bolt that is connected on the overhead traveling crane owing to pulley gear carries, can prevent pulley gear from falling and cause potential safety hazard, therefore can guarantee the safety when the utility model uses.
Description of drawings
Fig. 1 is integral structure scheme drawing of the present utility model.
Fig. 2 is the structural representation that installation component of the present utility model is connected with pulley gear.
Wherein, the parts name that Reference numeral is corresponding is called:
1-tie bolt, 2-screw rod, 3-tightening nut, 4-ring buckle, 5-rotating hole, 6-suspension bracket, 7-end cap, 8-axle, 9-pulley, 10-adapter plate, 11-fix screw, 12-tie bolt, 13-coupling nut, 14-binding bolt, 15-clamp nut, 16-mounting hole, 17-fastener hole, 18-fixed orifice, 19-axis hole, 20-connecting bore, 21-safety rope, 22-ear seat, 23-fall arrest hole.
The specific embodiment
Below in conjunction with embodiment the utility model is described in further detail, but embodiment of the present utility model is not limited to this.
Embodiment
As shown in Figure 1, 2, the utility model mainly is comprised of pulley gear, and described pulley gear mainly is comprised of ring buckle 4, and described ring buckle 4 integral body are the cyclic structure of sealing.On described ring buckle 4, also be provided with pulley assembly.
Described pulley assembly mainly is comprised of two suspension brackets 6, and these two suspension brackets 6 are separately positioned on the both sides of ring buckle 4.For the ease of suspension bracket 6 is connected on the ring buckle 4, on described suspension bracket 6, also be provided with fastener hole 17, as shown in Figure 2.Simultaneously, on described ring buckle 4, also be provided with the through hole that matches with fastener hole 17.During assembling, fastener hole 17 on two suspension brackets 6 is alignd with through hole on the ring buckle 4, and the binding bolt 14 that is complementary of use and fastener hole 17 runs through the through hole on two fastener holes 17 on the suspension bracket 6 and the ring buckle 4, then put the clamp nut 15 that matches with this binding bolt 14 at binding bolt 14, as shown in Figure 1, screw clamp nut 15, then two suspension brackets 6 can be fixed on the ring buckle 4.
For the ease of using, on described two suspension brackets 6, also be connected with pulley 9.For the ease of connecting pulley 9, on described suspension bracket 6, also be provided with the axle 8 that an end has end cap 7.Simultaneously, then be provided with axis hole 19 on described suspension bracket 6, the other end of described axle 8 is connected on these two suspension brackets 6 after then running through two axis holes 19 on the suspension bracket 6, and described pulley 9 then is enclosed within on this axle 8 and can rotates, and this pulley 9 is between two suspension brackets 6, as shown in Figure 1.In order to prevent that axle 8 from deviating from axis hole, also be provided with fixation kit at the other end of described axle 8.Described fixation kit comprises the adapter plate 10 that is arranged on axle 8 other ends, for the ease of being connected and fixed plate 10, on described axle 8, also be provided with the draw-in groove that matches with adapter plate 10,10 of described adapter plates be connected on the axle 8 after draw-in groove cooperates, thereby prevent that axle 8 from deviating from axis hole.Owing to can produce application force to axle 8 when pulley 9 rotates, make axle 8 vibrations, in order to prevent that adapter plate 10 owing to axle 8 vibrations skid off draw-in groove, also is provided with fix screw 11 on described adapter plate 10.Simultaneously, on described suspension bracket 6, also be provided with the fixed orifice 18 that matches with fix screw 11, and this fixed orifice 18 is tapped bore, as shown in Figure 2.On described adapter plate 10, then be provided with the through hole that matches with fix screw 11, during installation, cooperate with fixed orifice 18 after fix screw 11 passed through hole on the adapter plate 10, and tighten fix screw 11, thereby adapter plate 10 is fixed on the suspension bracket 6, as shown in Figure 1.
In order to connect two suspension brackets 6, make two suspension brackets 6 form the support frame structure of an integral body, on described suspension bracket 6, also be provided with tie bolt 12.Simultaneously, then be provided with the connecting bore 20 that is complementary with tie bolt 12 on described suspension bracket 6,12 of described tie bolts pass behind two connecting bores 20 on the suspension bracket 6 structure that two suspension brackets 6 are connected as a single entity.In order to prevent that tie bolt 12 from deviating from connecting bore 20, at these tie bolt 12 covers the coupling nut 13 who matches with this tie bolt 12 is arranged.
For the ease of the utility model being connected on the overhead traveling crane of oil-well rig, on described ring buckle 4, also be connected with installation component.Described installation component mainly is comprised of the tie bolt 1 with screw rod 2, for the ease of connecting, then is provided with the rotating hole 5 that is complementary with screw rod 2 on described ring buckle 4, and this rotating hole 5 is through hole, and its diameter is greater than the diameter of screw rod 2.Described screw rod 2 runs through this rotating hole 5, also is provided with the tightening nut 3 that matches with this screw rod 2 on this screw rod 2, and as shown in Figure 1,4 of described ring buckles are hung on screw rod 2 and can be rotated.
For the ease of installing, on described tie bolt 1, also be provided with mounting hole 16.During use, use the bearing pin match with mounting hole 16 to pass behind this mounting hole 16 this bearing pin is connected on the overhead traveling crane to get final product.For excessive and prevent that the utility model from falling when the tie bolt 1 that is connected on the overhead traveling crane is come off at pulley 9 carrying gravity, thereby the safety misadventure of causing also is provided with fall arrest assembly on described pulley gear.Described fall arrest assembly comprises the safety rope 21 that is connected on the suspension bracket 6, in order to improve the ability of safety rope 21 carrying gravity, the steel rope of safety rope 21 of the present utility model for adopting steel wire to be made.Simultaneously, also be provided with ear seat 22 at described safety rope 21 two ends, and these two ear seats 22 lay respectively at the both sides of pulley gear.During use, two ear seats 22 are installed in respectively on the overhead traveling crane of oil-well rig, thereby safety rope 21 is suspended on the overhead traveling crane.For the ease of connecting safety rope 21, on described suspension bracket 6, also be provided with fall arrest hole 23, described fall arrest hole 23 is waist-shaped hole, as shown in Figure 2,21 of safety ropes run through this fall arrest hole 23, and this safety rope 21 can slide along the sidewall in fall arrest hole 23, and namely this safety rope 21 does not affect ring buckle 4 and rotates relative to screw rod 2, namely this safety rope 21 does not affect whole pulley gear rotation, as shown in Figure 1.
As mentioned above, just can realize preferably the utility model.
Claims (10)
1. fall arrest auxiliary pulley device that is used for the oil-well rig overhead traveling crane is characterized in that: mainly by installation component, be connected on this installation component and the pulley gear that can rotate forms, on described pulley gear, also be provided with fall arrest assembly.
2. a kind of fall arrest auxiliary pulley device for the oil-well rig overhead traveling crane according to claim 1, it is characterized in that: described installation component mainly is comprised of the tie bolt with screw rod (2) (1), the tightening nut (3) that is enclosed within on this screw rod (2), and described pulley gear then is connected on the screw rod (2).
3. a kind of fall arrest auxiliary pulley device for the oil-well rig overhead traveling crane according to claim 2 is characterized in that: described pulley gear mainly by be enclosed within the upper and ring buckle (4) that can rotate of screw rod (2), the pulley assembly that is arranged on the ring buckle (4) forms.
4. a kind of fall arrest auxiliary pulley device for the oil-well rig overhead traveling crane according to claim 3, it is characterized in that: be provided with the rotating hole (5) that matches with screw rod (2) at described ring buckle (4), described rotating hole (5) is with to be enclosed within screw rod (2) after screw rod (2) cooperates upper and can rotate.
5. according to claim 3 or 4 described a kind of fall arrest auxiliary pulley devices for the oil-well rig overhead traveling crane, it is characterized in that: described pulley assembly mainly by be connected to ring buckle (4) upper and lay respectively at ring buckle (4) both sides two suspension brackets (6), run through axle (8) that these two suspension brackets (6) and one end have end cap (7), be enclosed within this axle (8) pulley (9) upper and that can rotate and be positioned between described two suspension brackets (6) and form, also be provided with fixation kit at the other end of described axle (8).
6. a kind of fall arrest auxiliary pulley device for the oil-well rig overhead traveling crane according to claim 5 is characterized in that: described fixation kit comprises the adapter plate (10) that is arranged on axle (8) other end, connect the fix screw (11) of this adapter plate (10) and suspension bracket (6).
7. a kind of fall arrest auxiliary pulley device for the oil-well rig overhead traveling crane according to claim 6, it is characterized in that: on described suspension bracket (6), also be provided with the tie bolt (12) that connects these two suspension brackets (6), on this tie bolt (12), also be provided with coupling nut (13).
8. it is characterized in that according to claim 6 or 7 described a kind of fall arrest auxiliary pulley devices for the oil-well rig overhead traveling crane: described fall arrest assembly comprises the safety rope (21) and the ear seat (22) that is arranged on this safety rope (21) two ends that runs through two suspension brackets (6) and be positioned at pulley (9) below.
9. a kind of fall arrest auxiliary pulley device for the oil-well rig overhead traveling crane according to claim 8, it is characterized in that: be provided with the fall arrest hole (23) of matching with safety rope (21) at described suspension bracket (6), described safety rope (21) runs through fall arrest hole (23) and can slide along the sidewall of fall arrest hole (23).
10. a kind of fall arrest auxiliary pulley device for the oil-well rig overhead traveling crane according to claim 9, it is characterized in that: described safety rope (21) is steel rope.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220377983 CN202785356U (en) | 2012-07-31 | 2012-07-31 | Auxiliary anti-falling pulley device for oil drilling rig crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220377983 CN202785356U (en) | 2012-07-31 | 2012-07-31 | Auxiliary anti-falling pulley device for oil drilling rig crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202785356U true CN202785356U (en) | 2013-03-13 |
Family
ID=47812664
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220377983 Expired - Lifetime CN202785356U (en) | 2012-07-31 | 2012-07-31 | Auxiliary anti-falling pulley device for oil drilling rig crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202785356U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113401804A (en) * | 2021-06-30 | 2021-09-17 | 安徽华宏机械设备有限公司 | Anti-falling device for hoisting and transporting machinery |
-
2012
- 2012-07-31 CN CN 201220377983 patent/CN202785356U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113401804A (en) * | 2021-06-30 | 2021-09-17 | 安徽华宏机械设备有限公司 | Anti-falling device for hoisting and transporting machinery |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130313 |
|
| CX01 | Expiry of patent term |