CN216377284U - Quick automatic switch-over hand capstan - Google Patents
Quick automatic switch-over hand capstan Download PDFInfo
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- CN216377284U CN216377284U CN202122753547.7U CN202122753547U CN216377284U CN 216377284 U CN216377284 U CN 216377284U CN 202122753547 U CN202122753547 U CN 202122753547U CN 216377284 U CN216377284 U CN 216377284U
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- winding drum
- ratchet wheel
- driven gear
- side plate
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Abstract
The embodiment of the utility model provides a fast automatic switching hand winch, which comprises a crank, a braid, a fixed seat, a ratchet wheel, a pawl, a winding drum, a driving gear and a driven gear, wherein the winding drum is arranged at the top of the fixed seat, the driven gear is fixed on the winding drum, the driving gear is arranged on a driving shaft, the driving shaft is arranged on the fixed seat, the ratchet wheel is also arranged on the driving shaft, the front end of the pawl is positioned in a tooth groove of the ratchet wheel, one end of the braid is fixed at the position of the winding drum, the other end of the braid passes through the outer wall of a fixed rod barrel, a special-shaped rod body is positioned in the fixed rod barrel, 2 pulleys are arranged at the top of the fixed rod barrel, a rope penetrating hole is arranged at the bottom of the special-shaped rod body, the braid passes through the rope penetrating hole after passing through one pulley, the braid is fixed on the fixed rod barrel after passing through the other pulley, and the crank is arranged at one end of the driving shaft. When the antenna lifting rod works, the flexible unfolding can be realized quickly, the position is fixed, the structure is novel, and the use is convenient.
Description
Technical Field
The utility model relates to the technical field of lifting of antenna lifting rods, in particular to a fast and automatic switching hand winch.
Background
In fields such as military communication, mobile communication, field exploration, illumination, weather, water conservancy, monitoring, image acquisition, often use the antenna, the antenna is installed on the antenna lifter, and the antenna lifter is the special-shaped body of rod, and this is because the top of lifter, the body of rod weight of antenna lifter, volume etc. are all great, and the installation consumes manpower and materials more. General antenna lifter equipment adopts wire rope to connect, uses the manpower to pull wire rope when, and is harder, the body of rod in lifter and the outside simultaneously.
SUMMERY OF THE UTILITY MODEL
In view of this, the embodiment of the present invention provides a fast and automatic switching hand winch, which solves the problem that the conventional antenna lifting rod is laborious to lift.
The embodiment of the utility model provides a fast automatic switching hand winch, which comprises a crank, a braid, a fixed seat, a ratchet wheel, a pawl, a winding drum, a driving gear and a driven gear, wherein the winding drum is arranged at the top of the fixed seat, the driven gear is fixed on the winding drum, the driving gear is arranged on a driving shaft, the driving shaft is arranged on the fixed seat, the ratchet wheel is also arranged on the driving shaft, the front end of the pawl is positioned in a tooth groove of the ratchet wheel, one end of the braid is fixed at the winding drum, the other end of the braid penetrates through the outer wall of a fixed rod barrel, a special-shaped rod body is positioned in the fixed rod barrel, 2 pulleys are arranged at the top of the fixed rod barrel, a rope penetrating hole is formed in the bottom of the special-shaped rod body, the braid penetrates through the rope penetrating hole after passing through one pulley, the braid is fixed on the fixed rod barrel after passing through the other pulley, and the crank is arranged at one end of the driving shaft.
In an embodiment of the present invention, the fixing rod cylinder is cylindrical, a plurality of vertically distributed limiting devices are disposed on the fixing rod cylinder, and the webbing passes through the limiting devices.
In an embodiment of the utility model, the limiting device comprises 2 symmetrical limiting clamps, each limiting clamp comprises 2 arc-shaped connecting plates, 2 locking plates and a limiting groove, the 2 arc-shaped connecting plates are positioned on two sides of the limiting groove, the locking plates are positioned on two sides of the arc-shaped connecting plates, the locking plates of the 2 limiting clamps are connected through bolts, the arc-shaped connecting plates are attached to the fixed rod barrel, and the woven belt penetrates through the limiting groove.
In an embodiment of the utility model, the fixed seat comprises a bottom plate and 2 parallel side plates, the 2 parallel side plates are vertically arranged on two sides of the bottom plate, the winding drum is fixed on a winding drum fixing shaft, two ends of the winding drum fixing shaft are fixed on one side above the side plates, the ratchet wheel is positioned between one side plate and the crank, the ratchet wheel is positioned on the outer side of the side plate, and the driving gear is positioned on the inner side of the side plate.
In one embodiment of the utility model, the ratchet wheel protection cover is fixed on the outer side of the side plate, the ratchet wheel and the pawl are positioned in the ratchet wheel protection cover, the crank is positioned outside the ratchet wheel protection cover, the driven gear protection cover is fixed on the inner side of the side plate, and the driving gear and the driven gear are positioned in the driven gear protection cover.
In one embodiment of the utility model, the bottom plate is provided with a plurality of fixing holes, the bottom plate and the side plate are both vertically arranged, the bottom plate is fixed on the fixed rod barrel, and the winding barrel is positioned above the ratchet wheel.
In an embodiment of the utility model, the winding drum comprises a winding drum body and 2 circular baffles, wherein the winding drum fixing shaft penetrates through the center of the winding drum body, the center of the 2 circular baffles is fixed on the winding drum fixing shaft, and two ends of the winding drum body are fixed on the circular baffles.
In an embodiment of the utility model, the braid material is aramid fiber, the pulley material is carbon fiber, and a ball bearing is arranged inside the pulley.
In one embodiment of the utility model, the driven gear is annular, and the side surface of the driven gear is welded on the side plate.
In the embodiment of the utility model, the bottom of the antenna lifting rod is provided with the rope penetrating hole, the fixed rod cylinder is provided with the pulley, the antenna lifting rod is positioned on the fixed rod cylinder, the woven belt penetrates through the rope penetrating hole, and when the antenna lifting rod needs to be lifted, the lifting of the woven belt is only controlled, so that the lifting of the antenna lifting rod is driven; meanwhile, the control of the mesh belt is realized by utilizing the ratchet wheel and pawl mechanism, when the hand crank stops, the ratchet wheel is locked, and the antenna lifting rod is fixed and does not stretch any more.
The utility model solves the problems of hard connection, heavy weight and large size of the existing product by connecting the ratchet wheel and the braid made of aramid fiber material, and realizes self-locking by the ratchet wheel locking mechanism. When the antenna lifting rod works, the flexible unfolding can be realized quickly, the position is fixed, the structure is novel, and the use is convenient.
Drawings
Fig. 1 is a schematic view illustrating the connection between the webbing and the profiled bar according to the embodiment of the present invention.
FIG. 2 is a schematic diagram of an embodiment of the present invention.
FIG. 3 is a partial schematic view of an embodiment of the present invention.
FIG. 4 is another partial schematic view of the embodiment of the present invention.
Fig. 5 is a partial schematic view of another view angle according to an embodiment of the utility model.
Fig. 6 is a schematic view of a spacing clip according to an embodiment of the utility model.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in the figure, the embodiment of the utility model provides a fast automatic switching hand winch, which comprises a crank handle 1, a braid 2, a fixed seat 3, a ratchet 4, a pawl 5, a winding drum 6, a driving gear 7 and a driven gear 8, wherein the winding drum 6 is installed at the top of the fixed seat 3, the driven gear 8 is fixed on the winding drum 6, the driving gear 7 is installed on a driving shaft 9, the driving shaft 9 is installed on the fixed seat 3, the ratchet 4 is also installed on the driving shaft 9, the front end of the pawl 5 is positioned in a tooth groove of the ratchet 4, one end of the braid 2 is fixed at the winding drum 6, the other end of the braid 2 penetrates through the outer wall of a fixed rod barrel 10, a special-shaped rod body 11 is positioned in the fixed rod barrel 10, 2 pulleys 12 are arranged at the top of the fixed rod barrel 10, a rope penetrating hole is arranged at the bottom of the special-shaped rod body 11, the braid 2 passes through one pulley 12 to penetrate through the rope penetrating hole, and the other pulley and then is fixed on the fixed rod barrel 10, the crank 1 is mounted on one end of a drive shaft 9.
The winding drum 6 can wind the mesh belt of which the lifting displacement is 2 times of the length of the special-shaped rod body.
The crank is made of aviation aluminum alloy, so that high strength and light weight of the crank are guaranteed, and light weight of the whole product is facilitated.
The utility model solves the problems of large size, heavy weight, easy damage and the like of the lifting rod of the antenna by using the steel wire rope, and more reasonable treatment is made by using the flexible braid. The utility model reduces the possibility that the steel wire rope connecting mechanism is easy to damage, and implements the action of driving the antenna lifting rod flexibly under the convenient and fast condition, thereby being more convenient to use.
In an embodiment of the present invention, the fixing rod cylinder 10 is cylindrical, and the fixing rod cylinder 10 is provided with a plurality of vertically distributed limiting devices through which the braid passes.
In an embodiment of the utility model, the limiting device comprises 2 symmetrical limiting clamps 13, each limiting clamp 13 comprises 2 arc- shaped connecting plates 14, 2 locking plates 15 and a limiting groove 16, the 2 arc-shaped connecting plates 14 are positioned at two sides of the limiting groove 16, the locking plates 15 are positioned at two sides of the arc-shaped connecting plates 14, the locking plates of the 2 limiting clamps 13 are connected through bolts, the arc-shaped connecting plates 14 are attached to the fixed rod barrel 10, and the woven belt 2 passes through the limiting groove 16. The limiting device is used for limiting the moving position of the mesh belt and avoiding the mesh belt from shifting and being clamped.
In an embodiment of the utility model, the fixed seat 3 comprises a bottom plate 17 and 2 parallel side plates 18, the 2 parallel side plates 18 are vertically arranged on two sides of the bottom plate 17, the winding drum 6 is fixed on a winding drum fixing shaft 19, two ends of the winding drum fixing shaft 19 are fixed on one side above the side plates 18, the ratchet wheel 4 is positioned between one side plate 18 and the crank 1, the ratchet wheel 4 is positioned on the outer side of the side plate 18, and the driving gear 7 is positioned on the inner side of the side plate. The fixing seat plays a role in fixing the crank and the ratchet and pawl mechanism.
In one embodiment of the present invention, the present invention further comprises a ratchet wheel shield 20 and a driven gear shield 21, wherein the ratchet wheel shield 20 is fixed on the outer side of the side plate 18, the ratchet wheel 4 and the pawl 5 are located in the ratchet wheel shield 20, the crank 1 is located outside the ratchet wheel shield 20, the driven gear shield 21 is fixed on the inner side of the side plate 18, and the driving gear 7 and the driven gear 8 are located in the driven gear shield 21. The ratchet guard 20 serves to protect the ratchet pawl. The driven gear protection casing plays the effect of protection driving gear and driven gear.
In an embodiment of the present invention, the bottom plate 17 is provided with a plurality of fixing holes 22, the bottom plate 17 and the side plate 18 are both vertically arranged, the bottom plate 17 is fixed on the fixed rod barrel 10, and the winding drum 6 is located above the ratchet 4.
In an embodiment of the present invention, the winding drum 6 includes a winding drum body 23 and 2 circular baffles 24, the winding drum fixing shaft 19 passes through the center of the winding drum body 23, the center of the 2 circular baffles 24 is fixed on the winding drum fixing shaft 19, and both ends of the winding drum body 23 are fixed on the circular baffles 24. The webbing is wound and released on the spool body.
In one embodiment of the utility model, the braid is made of aramid fiber and is deformable, and the safety coefficient of the braid design is five times of the breaking strength. The pulley is made of carbon fiber, and a ball bearing is arranged inside the pulley.
In one embodiment of the utility model, the driven gear is annular, and the side surface of the driven gear is welded on the side plate.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents and the like that are within the spirit and principle of the present invention are included in the present invention.
Claims (9)
1. The utility model provides a quick automatic switch-over hand capstan winch, a serial communication port, including the crank, the meshbelt, a fixed base, the ratchet, the pawl, the reel, driving gear and driven gear, the reel is installed at the fixing base top, driven gear fixes on the reel, the driving gear is installed on the drive shaft, the drive shaft is installed on the fixing base, still install the ratchet on the drive shaft, the front end of pawl is located the tooth's socket of ratchet, the one end of meshbelt is fixed in reel department, the other end of meshbelt passes the outer wall of a fixed rod section of thick bamboo, the dysmorphism body of rod is located a fixed rod section of thick bamboo, the top of a fixed rod section of thick bamboo is equipped with 2 pulleys, the bottom of the dysmorphism body of rod is equipped with the wire rope handling hole, the meshbelt is through a pulley to passing the wire rope handling hole, the meshbelt is fixed on a fixed rod section of thick bamboo after another pulley, the one end at the drive shaft is installed to the crank.
2. The hand winch of claim 1, wherein the fixed cylinder is cylindrical, and the fixed cylinder is provided with a plurality of vertically disposed position-limiting devices through which the webbing passes.
3. The hand winch of claim 2, wherein the limiting device comprises 2 symmetrical limiting clamps, each limiting clamp comprises 2 arc-shaped connecting plates, 2 locking plates and a limiting groove, the 2 arc-shaped connecting plates are arranged on two sides of the limiting groove, the locking plates are arranged on two sides of the arc-shaped connecting plates, the locking plates of the 2 limiting clamps are connected through bolts, the arc-shaped connecting plates are attached to the fixing rod barrel, and the woven belt passes through the limiting groove.
4. The automatic quick-change-over hand winch according to claim 1, wherein the fixing base comprises a bottom plate and 2 parallel side plates, the 2 parallel side plates are vertically installed on both sides of the bottom plate, the winding drum is fixed on a winding drum fixing shaft, both ends of the winding drum fixing shaft are fixed on one side above the side plates, the ratchet wheel is located between one side plate and the crank, the ratchet wheel is located on the outer side of the side plate, and the driving gear is located on the inner side of the side plate.
5. The fast automatic switching hand winch of claim 4, further comprising a ratchet wheel shield and a driven gear shield, wherein the ratchet wheel shield is secured to the outside of the side plate, the ratchet wheel and the pawl are located within the ratchet wheel shield, the crank is located outside the ratchet wheel shield, the driven gear shield is secured to the inside of the side plate, and the drive gear and the driven gear are located within the driven gear shield.
6. The automatic quick-change-over hand winch according to claim 4, wherein the bottom plate has a plurality of fixing holes, the bottom plate and the side plate are vertically disposed, the bottom plate is fixed to the fixing rod cylinder, and the winding cylinder is located above the ratchet wheel.
7. The hand winch with rapid automatic switching function as claimed in claim 4, wherein the winding drum comprises a winding drum body and 2 circular baffles, the winding drum fixing shaft passes through the center of the winding drum body, the center of the 2 circular baffles is fixed on the winding drum fixing shaft, and two ends of the winding drum body are fixed on the circular baffles.
8. The rapid automatic switching hand winch according to claim 7, wherein the driven gear is ring-shaped, and the side surface of the driven gear is welded to the side plate.
9. The hand winch of claim 1, wherein the webbing material is aramid fiber, the pulley material is carbon fiber, and the pulley is provided with a ball bearing inside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122753547.7U CN216377284U (en) | 2021-11-11 | 2021-11-11 | Quick automatic switch-over hand capstan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122753547.7U CN216377284U (en) | 2021-11-11 | 2021-11-11 | Quick automatic switch-over hand capstan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216377284U true CN216377284U (en) | 2022-04-26 |
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ID=81251909
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122753547.7U Active CN216377284U (en) | 2021-11-11 | 2021-11-11 | Quick automatic switch-over hand capstan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216377284U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115597040A (en) * | 2022-11-29 | 2023-01-13 | 宝润照明集团有限公司（Cn） | Telescopic street lamp |
-
2021
- 2021-11-11 CN CN202122753547.7U patent/CN216377284U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115597040A (en) * | 2022-11-29 | 2023-01-13 | 宝润照明集团有限公司（Cn） | Telescopic street lamp |
| CN115597040B (en) * | 2022-11-29 | 2023-03-10 | 宝润照明集团有限公司 | Telescopic street lamp |
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