CN209242565U - Convenient for the oil-extraction vehicle winch gear that brake system is adjusted - Google Patents
Convenient for the oil-extraction vehicle winch gear that brake system is adjusted Download PDFInfo
- Publication number
- CN209242565U CN209242565U CN201821726438.8U CN201821726438U CN209242565U CN 209242565 U CN209242565 U CN 209242565U CN 201821726438 U CN201821726438 U CN 201821726438U CN 209242565 U CN209242565 U CN 209242565U
- Authority
- CN
- China
- Prior art keywords
- brake
- roller
- oil
- roller frame
- ribbon
- 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.)
- Active
Links
Landscapes
- Braking Arrangements (AREA)
Abstract
The utility model relates to oil-extraction vehicle winch technical fields, oil-extraction vehicle winch gear specifically convenient for brake system is adjusted, including the roller that roller frame and rotation connection are set in roller frame, the both ends of roller are installed with first brake hub and the second brake hubs respectively；Roller frame is equipped with brake aggressive device, brake ribbon, brake axle, brake equalizer bar, connecting rod, spring and connection cylinder, brake ribbon is equipped in first brake hub and the brake slot of the second brake hubs, one end of connection cylinder is fixed on roller frame, the other end is connected with the middle section of brake equalizer bar, the both ends of brake equalizer bar are connected with one end of two brake ribbons respectively, the other end of two brake ribbons passes through connecting rod and is connected with brake axle, brake axle and brake aggressive device rotation connection；One end of spring is connected with roller frame, and the other end is connected with the outside of brake ribbon, and roller frame is equipped with the measurer for thickness for measuring brake tape thickness.
Description
Technical field
The utility model relates to oil-extraction vehicle winch technical fields, specifically the oil-extraction vehicle convenient for brake system is adjusted
Winch gear.
Background technique
Oil-extraction vehicle main services flank well, stripper well, non-transformer well and the oil well for being not suitable for laying oil pipeline, it is real
It now taps the latent power harvesting；Oil-extraction vehicle needs for a few km steel cables to be emitted into underground when working, and need to be wrapped in steel cable is orderly when withdrawal
On winch, while the lifting weight of steel cable is also larger, therefore has high requirement to the intensity of winch.
In current winch brake system, brake ribbon can be worn in brake process, with gradually wearing out for brake ribbon, be stopped
Vehicle system can increasingly be not easy to brake, so needing a kind of oil-extraction vehicle winch dress convenient for brake system is adjusted
It sets, to solve the problem of that the brake system after gradually wearing out of the brake ribbon in brake system is difficult to brake.
Utility model content
The purpose of this utility model is to provide the oil-extraction vehicle winch gears convenient for brake system is adjusted, to solve
For brake ribbon in brake system after gradually wearing out, brake system is difficult to the problem of braking.
In order to solve the above technical problems, the utility model uses following technical scheme:
A kind of oil-extraction vehicle winch gear convenient for brake system is adjusted, including roller frame and rotation connection are set to
Roller in roller frame, the both ends of the roller are installed with first brake hub and the second brake hubs respectively；
The roller frame be equipped with brake aggressive device, brake ribbon, brake axle, brake equalizer bar, connecting rod, spring and
Brake ribbon, one end of the connection cylinder are equipped in the brake slot of connection cylinder, the first brake hub and the second brake hubs
It is fixed on roller frame, the other end is connected with the middle section of brake equalizer bar, and the both ends of the brake equalizer bar are stopped with two respectively
One end of vehicle band is connected, and the other end of two brake ribbons passes through connecting rod and is connected with brake axle, the brake axle and
The aggressive device that brakes is rotatablely connected；
One end of the spring is connected with roller frame, and the other end is connected with the outside of brake ribbon, and the roller frame is equipped with
For measuring the measurer for thickness of brake tape thickness.
Preferably, further technical solution is, the brake aggressive device is brake control bar or brake cylinder.
Further technical solution be further include bolt draw bar, the both ends of the roller frame are equipped with bearing block, described
Spindle nose at the axle center of roller both ends is each passed through first brake hub and the second brake hubs, and is respectively arranged at the axis at roller frame both ends
It holds in seat, the roller, first brake hub and the second brake hubs are structure as a whole by bolt draw bar tension.
Further technical solution is that the outside of the first brake hub is equipped with transition disc, and the transition disc passes through spiral shell
Bolt pull rod is fixed on the outside of first brake hub, and the transition disc is connected with driven sprocket, and the driven sprocket is connected with driving
Mechanism.
Further technical solution is that the driving mechanism includes oil recovery car engine, right angle gear box, sprocket-type shaft coupling
Device, pneumatic clutch and drive sprocket, the power output end and right angle gear box of the oil recovery car engine are sequentially connected, the angle
Transmission case is sequentially connected by the axis of sprocket-type shaft coupling and pneumatic clutch, and the pneumatic clutch coaxially connects with drive sprocket
It connects, the drive sprocket is sequentially connected by chain and driven sprocket.
Further technical solution is that sprocket wheel is equipped at the spindle nose of described roller one end roller bearing, on sprocket wheel and oil-extraction vehicle
Rope guide transmission connection.
Further technical solution is, the measurer for thickness includes telescopic rod, measuring scale and is set to roller frame
On accommodating groove, the telescopic rod and measuring scale be all set in accommodating groove, one end of the telescopic rod and the slot bottom of accommodating groove
It is connected, the other end is connected with measuring scale, and the measuring scale is equipped with sliding slot, and one end of the sliding slot and the starting of measuring scale index
Line is connected, and is slidably connected in the sliding slot equipped with measurement plate.
Compared with prior art, the utility model has the beneficial effects that brake aggressive device drives brake axle rotation certain
Angle, brake axle rotation by connecting rod tense two sides brake ribbon, the brake ribbon of two sides respectively by first brake hub with
Brake is realized in second brake hubs locking, since the brake ribbon of two sides is fixedly connected with the both ends of brake equalizer bar, even if side is stopped
The brake hubs locking of the side also can both can guarantee brake by the vehicle band pine brake ribbon of other side under the action of braking equalizer bar
Steadily, it more can guarantee that braking safe is reliable；And after the belt wear that brakes, it is carried out by thickness of the measurer for thickness to brake ribbon
Measurement can know the thickness of abrasion, at this time by connection cylinder elongation, adjust the position of brake equalizer bar, and then reduce two
Spacing between brake ribbon and first brake hub and the second brake hubs, can guarantee that brake ribbon can continue to brake；Spring
It can play the role of pullling brake ribbon and reset the brake ribbon of locking.
Detailed description of the invention
Fig. 1 is the structural schematic diagram convenient for the first visual angle of oil-extraction vehicle winch gear that brake system is adjusted.
Fig. 2 is the structural schematic diagram convenient for the second visual angle of oil-extraction vehicle winch gear that brake system is adjusted.
Fig. 3 is the structural schematic diagram of measurer for thickness.
In figure: 1, roller；2, first brake hub；3, the second brake hubs；4, transition disc；5, driven sprocket；6, sprocket wheel；7, spiral shell
Bolt pull rod；8, right angle gear box；9, sprocket-type shaft coupling；10, pneumatic clutch；11, drive sprocket；12, brake ribbon；13, it brakes
Control stick；14, brake axle；15, brake cylinder；16, brake equalizer bar；17, roller frame；18, spring；19, connecting rod；20,
Accommodating groove；21, telescopic rod；22, measuring scale；23, sliding slot；24, measurement plate.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only used to explain
The utility model is not used to limit the utility model.
Fig. 1-3 shows the embodiment of the oil-extraction vehicle winch gear convenient for brake system is adjusted.
Embodiment one:
A kind of oil-extraction vehicle winch gear convenient for brake system is adjusted, including roller frame 17 and rotation connection setting
In the roller 1 in roller frame 17, the both ends of the roller 1 are installed with first brake hub 2 and the second brake hubs 3 respectively；
The roller frame 17 is equipped with brake aggressive device, brake ribbon 12, brake axle 14, brake equalizer bar 16, connection drawing
Brake ribbon 12, institute are equipped in the brake slot of bar 19, spring 18 and connection cylinder, the first brake hub 2 and the second brake hubs 3
The one end for stating connection cylinder is fixed on roller frame 17, and the other end is connected with the middle section of brake equalizer bar 16, the brake balance
The both ends of beam 16 are connected with one end of two brake ribbons 12 respectively, and the other end of two brake ribbons 12 passes through connecting rod
19 are connected with brake axle 14, the brake axle 14 and brake aggressive device rotation connection；
One end of the spring 18 is connected with roller frame 17, and the other end is connected with the outside of brake ribbon 12, the roller frame
17 are equipped with the measurer for thickness for measuring 12 thickness of brake ribbon.
Referring to attached drawing 1 and attached drawing 2, the aggressive device that brakes drives brake axle 14 to turn an angle, the rotation of brake axle 14
The brake ribbon 12 of two sides is tensed by connecting rod 19, the brake ribbon 12 of two sides is respectively by first brake hub 2 and the second brake hubs 3
Brake is realized in locking, since the brake ribbon 12 of two sides is fixedly connected with the both ends of brake equalizer bar 16, even if side brake ribbon 12
The brake hubs locking of the side also can both can guarantee brake by pine brake ribbon 12 of other side under the action of braking equalizer bar 16
Steadily, it more can guarantee that braking safe is reliable；And after the abrasion of brake ribbon 12, by measurer for thickness to the thickness of brake ribbon 12
It measures, can know the thickness of abrasion, at this time by connection cylinder elongation, adjust the position of brake equalizer bar 16, in turn
Reduce the spacing between two brake ribbons 12 and first brake hub 2 and the second brake hubs 3, can guarantee brake 12 bands can continue into
Row brake；Spring 18 can play the role of pullling brake ribbon 12 and reset the brake ribbon 12 of locking.
Spring 18 pulls brake ribbon 12, avoid brake ribbon 12 contacted with first brake hub 2 always and the second brake hubs 3 and
Influence the rotation of roller 1；Spring 18 resets the brake ribbon 12 of locking, after the completion of brake, loosens brake aggressive device,
Make two brake ribbons 12 no longer locking first brake hub 2 and the second brake hubs 3 under the action of spring 18.
Roller frame 17 is centrally arranged on the Rear secondary frame for vehicle of oil-extraction vehicle, and roller frame 17 is welded to form using profile and plate,
Support roller 1.
Embodiment two:
The brake aggressive device is brake control bar 13 or brake cylinder 15.
On the basis of example 1, it referring to attached drawing 1 and attached drawing 2, when needing to brake, pulls brake control bar 13 or draws
Dynamic brake air cylinder valve, brake control bar 13 or brake cylinder 15 drive brake axle 14 to turn an angle, the rotation of brake axle 14
The brake ribbon 12 of two sides is tensed by connecting rod 19, the brake ribbon 12 of two sides is respectively by first brake hub 2 and the second brake hubs 3
Brake is realized in locking, since the brake ribbon 12 of two sides is fixedly connected with the both ends of brake equalizer bar 16, even if side brake ribbon 12
The brake hubs locking of the side also can both can guarantee brake by pine brake ribbon 12 of other side under the action of braking equalizer bar 16
Steadily, it more can guarantee that braking safe is reliable.
Brake cylinder 15 is additionally provided with air-cut-off break function, when failure occurs dying in gas circuit, can also pass through brake cylinder 15
Air-cut-off break function tense two sides brake ribbon 12.
Brake control bar 13 and brake cylinder 15 can be also arranged in brake aggressive device simultaneously, and such brake structure can be real
Existing hand-operated brake, aerodynamic brake, emergency brake can use respectively, be independent of each other, and be that winch occurs in high-speed cruising or gas circuit
It also can steadily be checked in the case where failure.
Embodiment three:
It further include bolt draw bar 7, the both ends of the roller frame 17 are equipped with bearing block, at the 1 both ends axle center of roller
Spindle nose is each passed through first brake hub 2 and the second brake hubs 3, and is respectively arranged in the bearing block at 17 both ends of roller frame, described
Roller 1, first brake hub 2 and the second brake hubs 3 are structure as a whole by the tension of bolt draw bar 7.
On the basis of example 2, referring to attached drawing 1 and attached drawing 2, the left and right ends of roller frame 17 are respectively arranged with bearing
, the spindle nose at 1 both ends axle center of roller is each passed through first brake hub 2 and the second brake hubs 3, and is respectively arranged at roller frame 17
In the bearing block at both ends, roller 1, first brake hub 2 and the second brake hubs 3 are structure as a whole by the tension of bolt draw bar 7, thus
Roller 1 is fixed between first brake hub 2 and the second brake hubs 3, is fixed between first brake hub 2 and the second brake hubs 3
Multiple bolt draw bars 7, and multiple bolt draw bars 7 are distributed in a ring, and the bolt draw bar 7 of annular spread is set in roller 1, with
The inner wall of roller 1 is close to, and due to enclosing bolt draw bar 7 with one in roller 1 to greatly improve the intensity of roller 1, satisfaction is adopted
The demand that oily vehicle steel cable twining amount is big and steel cable lifting weight is big, this split type structure can guarantee writhing number km steel cable and cylinder
Body is not easy to crack and deforms, and is conducive to processing and maintenance yet.
Example IV:
The outside of the first brake hub 2 is equipped with transition disc 4, and the transition disc 4 is fixed on the first brake by bolt draw bar 7
The outside of nave boss 2, the transition disc 4 are connected with driven sprocket 5, and the driven sprocket 5 is connected with driving mechanism.
On the basis of embodiment three, referring to attached drawing 1 and attached drawing 2, the outside of first brake hub 2 is fixed with transition disc 4, mistake
It crosses disk 4 and 2 outside of first brake hub is fixed on by bolt draw bar 7, bolt draw bar 7 passes through transition disc 4 and transition disc 4 and first are stopped
Nave boss 2 tenses, and first brake hub 2 is fixedly connected with driven sprocket 5 by transition disc 4, and driven sprocket 5 and driving mechanism transmission connect
It connects, driving mechanism provides power and driven sprocket 5 is driven to rotate, and is able to rotate transition disc 4, to drive first brake hub 2 and rolling
Cylinder 1 rotates.
Embodiment five:
The driving mechanism includes oil recovery car engine, right angle gear box 8, sprocket-type shaft coupling 9, pneumatic clutch 10 and master
Movable sprocket 11, the power output end and right angle gear box 8 of the oil recovery car engine are sequentially connected, and the right angle gear box 8 passes through chain
The axis of wheel type coupler 9 and pneumatic clutch 10 is sequentially connected, and the pneumatic clutch 10 and drive sprocket 11 are coaxially connected, institute
Drive sprocket 11 is stated to be sequentially connected by chain and driven sprocket 5.
On the basis of example IV, referring to attached drawing 1 and attached drawing 2, the power of output is transferred to angle by oil recovery car engine
Transmission case 8, output is to sprocket-type shaft coupling 9 after the power of engine is changed direction by right angle gear box 8, and sprocket-type shaft coupling 9 is again
Power is transferred to the axis of pneumatic clutch 10, due to using connection flexible between right angle gear box 8 and pneumatic clutch 10
Transfer mode had not only reduced noise but also had improved safety coefficient, pneumatic clutch 10 was controlled by gas circuit, when pneumatic clutch 10
When engagement, power is transferred to driven sprocket 5 by drive sprocket 11 by pneumatic clutch 10, and driven sprocket 5 drives first brake
Hub 2 and the rotation of the second brake hubs 3 then cut off winch when the separation of pneumatic clutch 10 to drive the rotation of entire roller 1
Power.
Embodiment six:
Sprocket wheel 6 is equipped at the spindle nose of 1 one end roller bearing of roller, the rope guide on sprocket wheel 6 and oil-extraction vehicle is sequentially connected.
On the basis of embodiment five, referring to attached drawing 1 and attached drawing 2, it is fixed with sprocket wheel 6 at the side roller bearing spindle nose of roller 1,
Can be by sprocket wheel 6 to provide power with the rope guide of winch auxiliary work, winding that can be orderly by rope by rope guide
To roller 1.
Embodiment seven:
The measurer for thickness includes telescopic rod 21, measuring scale 22 and the accommodating groove 20 being set on roller frame 17, institute
It states telescopic rod 21 and measuring scale 22 is all set in accommodating groove 20, one end of the telescopic rod 21 and the slot bottom phase of accommodating groove 20
Even, the other end is connected with measuring scale 22, and the measuring scale 22 is equipped with sliding slot 23, one end and the measuring scale 22 of the sliding slot 23
It originates reticule to be connected, be slidably connected in the sliding slot 23 equipped with measurement plate 24.
On the basis of embodiment six, referring to attached drawing 3, measurer for thickness can specifically include accommodating groove 20, telescopic rod
21 and measuring scale 22 first pass through telescopic rod 21 when needing to measure thickness and do stretching motion, make measuring scale 22 from storage
It is moved out in slot 20, the non-wear-side of the starting reticule alignment brake ribbon 12 of measuring scale 22 is first then passed through into survey at this time
Sliding of the template 24 in sliding slot 23, makes measurement plate 24 move to the wear-side of brake ribbon 12, thus measure brake ribbon 12 this
When thickness, then can by connection cylinder to brake equalizer bar 16 position be adjusted.
Although reference be made herein to the utility model is described in multiple explanatory embodiments of the utility model, still,
It should be understood that those skilled in the art can be designed that a lot of other modification and implementations, these modifications and implementations
It will fall within scope and spirit disclosed in the present application.More specifically, it discloses in the application, drawings and claims
In range, can building block to theme combination layout and/or layout carry out a variety of variations and modifications.In addition to building block
And/or outside the modification and improvement of layout progress, to those skilled in the art, other purposes also be will be apparent.
Claims (7)
1. a kind of oil-extraction vehicle winch gear convenient for brake system is adjusted, including roller frame (17) and rotation connection setting
In the roller (1) in roller frame (17), it is characterised in that: the both ends of the roller (1) be installed with respectively first brake hub (2) and
Second brake hubs (3)；
The roller frame (17) is equipped with brake aggressive device, brake ribbon (12), brake axle (14), brake equalizer bar (16), connects
It connects pull rod (19), spring (18) and connects cylinder, be all provided in the brake slot of the first brake hub (2) and the second brake hubs (3)
Have brake ribbon (12), one end of the connection cylinder is fixed on roller frame (17), in the other end and brake equalizer bar (16)
The both ends of Duan Xianglian, brake equalizer bar (16) are connected with one end of two brake ribbons (12) respectively, two brake ribbons
(12) the other end passes through connecting rod (19) and is connected with brake axle (14), and the brake axle (14) and brake aggressive device turn
Dynamic connection；
One end of the spring (18) is connected with roller frame (17), and the other end is connected with the outside of brake ribbon (12), the roller
Frame (17) is equipped with the measurer for thickness for measuring brake ribbon (12) thickness.
2. the oil-extraction vehicle winch gear according to claim 1 convenient for brake system is adjusted, it is characterised in that: institute
Stating brake aggressive device is brake control bar (13) or brake cylinder (15).
3. the oil-extraction vehicle winch gear according to claim 1 convenient for brake system is adjusted, it is characterised in that: also
Including bolt draw bar (7), the both ends of the roller frame (17) are equipped with bearing block, the spindle nose at roller (1) the both ends axle center
It is each passed through first brake hub (2) and the second brake hubs (3), and is respectively arranged in the bearing block at roller frame (17) both ends, institute
Roller (1), first brake hub (2) and the second brake hubs (3) are stated to be structure as a whole by bolt draw bar (7) tension.
4. the oil-extraction vehicle winch gear according to claim 3 convenient for brake system is adjusted, it is characterised in that: institute
The outside for stating first brake hub (2) is equipped with transition disc (4), and the transition disc (4) is fixed on first brake by bolt draw bar (7)
The outside of hub (2), the transition disc (4) are connected with driven sprocket (5), and the driven sprocket (5) is connected with driving mechanism.
5. the oil-extraction vehicle winch gear according to claim 4 convenient for brake system is adjusted, it is characterised in that: institute
Stating driving mechanism includes oil recovery car engine, right angle gear box (8), sprocket-type shaft coupling (9), pneumatic clutch (10) and drive chain
It takes turns (11), the power output end of the oil recovery car engine and right angle gear box (8) are sequentially connected, and the right angle gear box (8) passes through
Sprocket-type shaft coupling (9) and the axis of pneumatic clutch (10) are sequentially connected, the pneumatic clutch (10) and drive sprocket (11)
Coaxially connected, the drive sprocket (11) is sequentially connected by chain and driven sprocket (5).
6. the oil-extraction vehicle winch gear according to claim 1 convenient for brake system is adjusted, it is characterised in that: institute
It states and is equipped with sprocket wheel (6) at the spindle nose of roller (1) one end roller bearing, the rope guide on sprocket wheel (6) and oil-extraction vehicle is sequentially connected.
7. the oil-extraction vehicle winch gear according to claim 1 convenient for brake system is adjusted, it is characterised in that: institute
Stating measurer for thickness includes telescopic rod (21), measuring scale (22) and the accommodating groove (20) being set on roller frame (17), described
Telescopic rod (21) and measuring scale (22) are all set in accommodating groove (20), one end and accommodating groove (20) of the telescopic rod (21)
Slot bottom is connected, and the other end is connected with measuring scale (22), and the measuring scale (22) is equipped with sliding slot (23), and the one of the sliding slot (23)
End is connected with the starting reticule of measuring scale (22), is slidably connected in the sliding slot (23) equipped with measurement plate (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821726438.8U CN209242565U (en) | 2018-10-24 | 2018-10-24 | Convenient for the oil-extraction vehicle winch gear that brake system is adjusted |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821726438.8U CN209242565U (en) | 2018-10-24 | 2018-10-24 | Convenient for the oil-extraction vehicle winch gear that brake system is adjusted |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209242565U true CN209242565U (en) | 2019-08-13 |
Family
ID=67525785
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821726438.8U Active CN209242565U (en) | 2018-10-24 | 2018-10-24 | Convenient for the oil-extraction vehicle winch gear that brake system is adjusted |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209242565U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110697605A (en) * | 2019-09-23 | 2020-01-17 | 宝鸡石油机械有限责任公司 | Brake device of cylinder brake type bailing winch |
| CN113860204A (en) * | 2021-08-31 | 2021-12-31 | 华能沁北发电有限责任公司 | Novel boiler manned maintenance inspection platform traction winch brake device |
-
2018
- 2018-10-24 CN CN201821726438.8U patent/CN209242565U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110697605A (en) * | 2019-09-23 | 2020-01-17 | 宝鸡石油机械有限责任公司 | Brake device of cylinder brake type bailing winch |
| CN113860204A (en) * | 2021-08-31 | 2021-12-31 | 华能沁北发电有限责任公司 | Novel boiler manned maintenance inspection platform traction winch brake device |
| CN113860204B (en) * | 2021-08-31 | 2023-04-18 | 华能沁北发电有限责任公司 | Boiler manned maintenance inspection platform traction winch brake device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN209242565U (en) | Convenient for the oil-extraction vehicle winch gear that brake system is adjusted | |
| CN104925691B (en) | A kind of messenger hydraulic capstan | |
| CN109399477B (en) | Adaptive two-way large angle double drum lightweight constant force winch | |
| CN201258427Y (en) | Metal wire double-twist twisting machine | |
| CN207175114U (en) | ROV umbilical cables winch and management system | |
| CN103359295A (en) | Energy-efficient carrier-based aircraft interceptor | |
| CN214989926U (en) | Dual-drive rope-outgoing hoisting device | |
| CN104098039A (en) | Multifunctional combined friction winch system | |
| CN110155895B (en) | A rescue winch capable of self-translation and self-protection of stuck compartment | |
| CN102942135A (en) | Rope storage barrel structure of winch wire rope | |
| CN106904517A (en) | A kind of extra deep shaft elevator and method for improving | |
| CN106865436B (en) | Rope threading hoisting mechanism for crane | |
| CN202063198U (en) | General fast caterpillar pulling and connecting integral device | |
| CN217418123U (en) | Safety manned device for shaft construction | |
| CN108892009A (en) | A kind of active automatic line arranging mechanism and the capstan winch with the mechanism | |
| CN107032245A (en) | A kind of head sheave automatic force regulating device and method of extra deep shaft duplex type lifting system | |
| CN209024098U (en) | A kind of endless rope traction winch of more modes of braking | |
| CN209581436U (en) | A kind of dead-man's device of autonomous driving vehicle | |
| CN208400622U (en) | Reel type winch and its mainframe without take-up reel | |
| CN218231646U (en) | Horizontal guiding rope passing device of traction winch | |
| CN111559713A (en) | Hoisting system | |
| CN201383662Y (en) | Constant torque bidirectional winding cable contra-winding machine | |
| CN206654696U (en) | A kind of manual lifting rod with two-way safeguarding function | |
| CN205802294U (en) | A kind of remote synchronization drive mechanism | |
| CN201729624U (en) | Electric climbing apparatus and equipment applying same |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |