CN204597434U - A kind of pulley block device - Google Patents
A kind of pulley block device Download PDFInfo
- Publication number
- CN204597434U CN204597434U CN201520318767.9U CN201520318767U CN204597434U CN 204597434 U CN204597434 U CN 204597434U CN 201520318767 U CN201520318767 U CN 201520318767U CN 204597434 U CN204597434 U CN 204597434U
- Authority
- CN
- China
- Prior art keywords
- pulley
- connector
- support
- expansion link
- fixed
- 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.)
- Expired - Fee Related
Links
Landscapes
- Invalid Beds And Related Equipment (AREA)
Abstract
The utility model provides a kind of pulley block device, comprises support, described cantilever tip install hook and upper hook through connector, and upper hook is fixed on connector inside; Described connector is installed on cantilever tip; Described connector one end arranges expansion link and expansion link one end embeds connector inside; Hanging wire ring is installed in described support side; Movable pulley is installed in described support one end; Described internal stent installs pulley, and expansion link one end is fixed on pulley top, described internal stent mounted connector, and the inner fixed block of connector; Described support bottom arranges lower draw-bar, and pulley inside is fixed in lower draw-bar one end; The utility model compact conformation, easy construction, can move pulley block effectively by movable pulley, and expansion link can make pulley elongation be changed, and this device is of a specified duration for useful life, has good economic benefit and social effect, is applicable to promoting the use of.
Description
Technical field
The utility model relates to a kind of pulley, and particularly a kind of pulley block device, belongs to security technology area.
Background technology
The size of coefficient of friction during pulley block work directly affects the useful life of bearing and the size of required actuating force, it is subject to the impact of numerous external factor, service load, movement velocity, ambient temperature, the coefficient of friction of pulley block reduces along with the increase of service load; Raise along with the increase of movement velocity; Increase along with the rising of working temperature, the pros and cons of Here it is pulley block unlike material, pulley block dependable performance.
Answer electric power constant, dielectric strength, insulation resistance and the dielectric dissipation factor of pulley block terminal maintain a long-term stability, and by this kind of stress control method, the high electric field strength of terminal end surface can be down to the safe range of 15V/mm, cable end piece shifted to by high potential.The hydrophobic performance that pulley block is good, pulley block terminal outer insulating material is high quality silicon elastomeric material, and water droplet can tumble automatically above, does not form the moisture film of conduction, therefore has good hydrophobic performance.It has extremely strong insulating properties, tracking resistance, corrosion resistance and uviolresistance, ensures that Long-Term Properties is stablized.Pulley block predilation technology, pulley block annex terminal is when making, and adopt predilation technical construction, therefore often kind of specification is applicable to multiple cable diameter, compatible strong to cable diameter.
Utility model content
The technical problems to be solved in the utility model overcomes existing defect, provides a kind of pulley block device, can effectively increase work efficiency by mobile pulley, effectively can solve the problem in background technology.
In order to solve the problems of the technologies described above, the utility model provides following technical scheme:
A kind of pulley block device, comprises support, described cantilever tip install hook and upper hook through connector, and upper hook is fixed on connector inside; Described connector is installed on cantilever tip; Described connector one end arranges expansion link and expansion link one end embeds connector inside; Hanging wire ring is installed in described support side; Movable pulley is installed in described support one end; Described internal stent installs pulley, and expansion link one end is fixed on pulley top, described internal stent mounted connector, and the inner fixed block of connector; Described support bottom arranges lower draw-bar, and pulley inside is fixed in lower draw-bar one end.
As a kind of optimal technical scheme of the present utility model, described expansion link outer surface arranges helicitic texture, and expansion link is positioned in the middle of support.
As a kind of optimal technical scheme of the present utility model, described hanging wire ring is cirque structure and hanging wire ring lays respectively at support both sides.
As a kind of optimal technical scheme of the present utility model, institute's hook of telling and lower draw-bar are question mark shaped structure, and lay respectively at support two ends.
As a kind of optimal technical scheme of the present utility model, described movable pulley is fixed on support bottom, and two movable pulleys are cylindrical structural.
The beneficial effect that compared with prior art the utility model reaches is:
1, the utility model structure simple, be easy to carry about with one and dismantle;
2, the utility model plays the effect of effective mobile pulley;
3, the utility model prevents extremely strong insulating properties, tracking resistance, corrosion resistance and uviolresistance, ensures that Long-Term Properties is stablized;
4, the utility model low cost and be suitable for multiple occasion;
5, the utility model can bring more fail safe at work.
Accompanying drawing explanation
Accompanying drawing is used to provide further understanding of the present utility model, and forms a part for specification, is used from explanation the utility model, does not form restriction of the present utility model with embodiment one of the present utility model.
In the accompanying drawings:
Fig. 1 is the structural representation of a kind of pulley block device described in the utility model embodiment;
Number in the figure: 1, upper hook; 2, connector; 3, support; 4, fixture; 5, movable pulley; 6, expansion link; 7, hanging wire ring; 8, pulley; 9, lower draw-bar.
Embodiment
Below in conjunction with accompanying drawing, preferred embodiment of the present utility model is described, should be appreciated that preferred embodiment described herein is only for instruction and explanation of the utility model, and be not used in restriction the utility model.
Embodiment: as shown in Figure 1, a kind of pulley block device, comprises support 3, and hook 1 is installed on described support 3 top and upper hook 1 passes connector 2, and upper hook 1 is fixed on connector 2 inside; Described connector 2 is installed on support 3 top; Described connector 2 one end arranges expansion link 6 and expansion link 6 one end embeds connector 2 inside; Hanging wire ring 7 is installed in described support 3 side; Movable pulley 5 is installed in described support 3 one end; Pulley 8 is installed in described support 3 inside, and expansion link 6 one end is fixed on pulley 8 top, the inner mounted connector 2 of described support 3, and the inner fixed block 8 of connector 2; Described support 3 bottom arranges lower draw-bar 9, and pulley 8 inside is fixed in lower draw-bar 9 one end.
In order to make this structure more stable, described expansion link outer surface arranges helicitic texture, and expansion link is positioned in the middle of support.
Conveniently hang, described hanging wire ring is cirque structure and hanging wire ring lays respectively at support both sides.
For the ease of removing and installing, institute's hook of telling and lower draw-bar are question mark shaped structure, and lay respectively at support two ends.
Mobile in order to make pulley block be convenient to, described movable pulley is fixed on support bottom, and two movable pulleys are cylindrical structural.
Hook 1 is installed through connector 2 in support 3 upper end described in the utility model, and make its structure more stable, described connector 2 is installed on support 3 top, fixed hook, and it is inner that described expansion link 6 one end embeds connector 2; Hanging wire ring 7 is installed in described support 3 side, and hanging wire is installed in hanging wire ring 7 inside, and movable pulley 5 is installed in described support 3 one end; Pulley 8 is installed in described support 3 inside, and can be good at this device mobile, described support 3 bottom arranges lower draw-bar 9, and lower draw-bar is used for hanging object, and pulley 8 inside is fixed in lower draw-bar 9 one end, and pulley can move together with object.
Last it is noted that the foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, although be described in detail the utility model with reference to previous embodiment, for a person skilled in the art, it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature.All within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection range of the present utility model.
Claims (5)
1. a pulley block device, is characterized in that: comprise support (3), described support (3) top install hook (1) and upper hook (1) through connector (2), and upper hook (1) to be fixed on connector (2) inner; Described connector (2) is installed on support (3) top; Described connector (2) one end arranges expansion link (6) and expansion link (6) one end embeds connector (2) inside; Hanging wire ring (7) is installed in described support (3) side; Movable pulley (5) is installed in described support (3) one end; Pulley (8) is installed in described support (3) inside, and expansion link (6) one end is fixed on pulley (8) top, described support (3) inner mounted connector (2), and connector (2) inner fixed block (8); Described support (3) bottom arranges lower draw-bar (9), and pulley (8) inside is fixed in lower draw-bar (9) one end.
2. a kind of pulley block device according to claim 1, is characterized in that: described expansion link (6) outer surface arranges helicitic texture, and expansion link is positioned in the middle of support (2).
3. a kind of pulley block device according to claim 1, is characterized in that: described hanging wire ring (7) is for cirque structure and hanging wire ring (7) lays respectively at support (3) both sides.
4. a kind of pulley block device according to claim 1, is characterized in that: institute's hook of telling (1) and lower draw-bar (9) are question mark shaped structure, and lay respectively at support (3) two ends.
5. a kind of pulley block device according to claim 1, it is characterized in that: described movable pulley (5) is fixed on support (3) bottom, and two movable pulleys (5) is cylindrical structural.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520318767.9U CN204597434U (en) | 2015-05-18 | 2015-05-18 | A kind of pulley block device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520318767.9U CN204597434U (en) | 2015-05-18 | 2015-05-18 | A kind of pulley block device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204597434U true CN204597434U (en) | 2015-08-26 |
Family
ID=53933548
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520318767.9U Expired - Fee Related CN204597434U (en) | 2015-05-18 | 2015-05-18 | A kind of pulley block device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204597434U (en) |
-
2015
- 2015-05-18 CN CN201520318767.9U patent/CN204597434U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103928865A (en) | Manual wire lifting device for stringing construction | |
| CN102403674B (en) | A kind of live-wire work insulating cross arm | |
| CN204597434U (en) | A kind of pulley block device | |
| CN104061372A (en) | Pipeline fixing device | |
| CN102738737B (en) | The general suspension string holder of steel pipe tower head | |
| CN202712745U (en) | Universal straight-line clamp for steel pipe pole tower head | |
| CN203250600U (en) | Suspension type insulator arrester | |
| CN102774742A (en) | Current transformer (CT) coil lifting device | |
| CN203932808U (en) | Replacing insulator under electrified wire lifting device | |
| CN202924581U (en) | CT (Current Transformer) coil hoisting device | |
| CN204131004U (en) | Four loop straight line steel tube tower circle cross-arm jigs | |
| CN204243605U (en) | Power line tension string composite insulator changes hook special | |
| CN203583984U (en) | Transverse arm hoisting support column of an electric pole | |
| CN203835024U (en) | Improved telegraph pole | |
| CN202126876U (en) | Cable-threading tensioning wheel | |
| CN203631193U (en) | Pin-type insulator | |
| CN203553862U (en) | Size-adjustable cable fixing device used for construction of electric-power tunnel | |
| CN203039300U (en) | A dragging device used for installing a conductive lead wire in a porcelain bushing in a 220kV master transformer station | |
| CN206584796U (en) | A kind of transformer double-rod stand | |
| CN103416388A (en) | Bird leading frame for power transmission line | |
| CN105305316A (en) | Mountainous region laborsaving line lifting device | |
| CN202423979U (en) | Maintenance rack for overhead line | |
| CN205092506U (en) | Special installation pole of U type seat | |
| CN202616728U (en) | Single-core cable middle clamp | |
| CN104332884A (en) | Wire lifter for replacement of linear string insulator |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150826 Termination date: 20160518 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |