Warning fence for electric power operation
By introducing a winding mechanism driven by motor and manual screw drive in the electric operation warning fence, combined with the clamping joint and snapping structure, the problem of limited length and inconvenient use of the warning belt in the prior art is solved, and the warning belt is realized The flexible adjustment and quick winding improve the convenience of the fence and scope of application.
Patent Information
- Application Number
- CN202420196692.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-01-26
- Publication Date
- 2024-12-27
- Estimated Expiration
- 2034-01-26
AI Technical Summary
When the existing warning fence for power operations is large, it needs to be used through multiple sets of fences, which is time-consuming and labor-intensive. The coil spring winding structure is limited to the length of the warning belt, which is inconvenient to use.
A winding mechanism without coil spring is designed, and the reel is driven by motor drive and manual rotation of the screw, combined with the clamping joint and snapping structure to achieve flexible stretching and rapid winding of the warning belt, enhancing convenience.
It realizes flexible adjustment of warning belt length and rapid winding, improves the convenience and scope of use of fences, and avoids the difficulty of using multiple sets of fences.
Smart Images
Figure CN222253402U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of electric power construction, and in particular relates to a warning fence for electric power operation. Background Art
[0002] Warning fences are auxiliary equipment to define the working scope of power workers and ensure the personal safety of workers. They are essential safety devices for power operations. They are mainly used for electrical equipment maintenance, electrical experiments, and power distribution maintenance in power plants and substations.
[0003] After checking, the disclosure (announcement) number: CN201556868U discloses an electric safety warning device, which discloses "comprising a closed tape storage drum and a reel arranged in the tape storage drum and capable of rotating relative to the tape storage drum, a warning tape is wound on the reel, and the outer end of the warning tape laterally passes through the tape storage drum, characterized in that the tape storage drum and the outer end of the warning tape are respectively fixed with fixings made of insulating material, and the reel is also provided with a winding structure for winding up the warning tape, and has the advantages of using a tape storage drum to wind up the warning tape therein, with a small volume and convenient to carry; the warning tape can be automatically wound up after being pulled out, which is quite convenient to use; and the fixings used to fix the tape storage drum and the outer end of the warning tape are made of insulating material, with good insulation performance and safe use, etc.";
[0004] When the above design is used, a mechanical winding structure is built in. The stretching length of the warning tape wound by the coil spring is affected by the maximum deformation of the coil spring. Therefore, the coil spring can only wind up a certain length of the warning tape. When the power equipment and power operation are large, multiple sets of fences need to be used in coordination, which is time-consuming and labor-intensive and inconvenient to use.
[0005] In order to solve the above problems, the present application proposes a warning fence for power operations. Utility Model Content
[0006] To solve the problems raised in the above background technology, the utility model provides a warning fence for power operation, which has the characteristics of not needing to be wound up by a coil spring, so that the stretching length of the warning tape will not be affected by the coil spring, increasing the use range of the fence and being highly practical.
[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a warning fence for electric power operation, comprising a base, a support column fixedly connected to the surface of the base, and a storage cylinder fixedly connected to the top of the support column, a winding cylinder rotatably connected inside the storage cylinder, a warning tape is wound on the surface of the winding cylinder, and a winding mechanism is arranged inside the winding cylinder;
[0008] The winding mechanism includes a rectangular tube arranged inside the winding tube, a connecting rod fixedly connected to the top end of the rectangular tube, and a second clamping disk fixedly connected to the bottom end of the rectangular tube, a first clamping disk is rotatably connected to one side of the winding tube close to the second clamping disk, adjacent sides of the first clamping disk and the second clamping disk are fixedly connected with clamping teeth in a circular array, and a movable groove matching the rectangular tube is provided on one side of the winding tube close to the rectangular tube.
[0009] As a preferred warning fence for power operations of the utility model, an electric motor is installed inside the support column, and the output end of the motor is fixedly connected to the first clamping plate through a connecting rod, and a push-type switch is installed on the side of the support column surface close to the motor.
[0010] As a preferred embodiment of the utility model as a warning fence for power operations, the top end of the connecting rod passes through the interior of the winding drum and is fixedly connected to a rotating member arranged on the upper side of the storage drum.
[0011] As a preferred warning fence for power operations of the utility model, the side of the connecting rod is rotatably connected to a moving block via a bearing A, a screw is threaded inside the moving block, and the screw is rotatably connected to the storage tube via a bearing B.
[0012] As a preferred warning fence for power operations of the utility model, a connecting mechanism is provided at one end of the warning belt, and the connecting mechanism includes a connecting block fixedly connected to one end of the warning belt and a clamping block fixedly connected to the surface of the storage tube and having a trapezoidal structure, a fixing plate is symmetrically hinged inside the connecting block, and a buckle is fixedly connected to an adjacent side of the fixing plate.
[0013] As a preferred warning fence for power operations of the utility model, springs are symmetrically fixedly connected between the fixing plate and the warning belt, and a pressing pad is fixedly connected to the surface of the fixing plate.
[0014] Compared with the prior art, the beneficial effects of the utility model are as follows: by setting a winding mechanism, the second clamping disc is driven to separate from the first clamping disc by rotating the screw, so that the warning tape can be pulled out from the inside of the storage tube, and the length of the warning tape can be changed according to the use requirements, and the working range of the staff is enclosed by the warning tape, and the second clamping disc is separated from the first clamping disc, so that the motor can drive the winding drum to rotate, and the warning tape can be quickly reeled up, and the warning tape can be manually reeled up through the rotating part when the power is exhausted. At the same time, a connecting mechanism is set, which is engaged with the clamping block on another support column through a buckle, so that the warning tape can be enclosed outside the working range, thereby improving the convenience of enclosure installation. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:
[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0017] Figure 2 It is a cross-sectional view of the storage tube in the utility model;
[0018] Figure 3 It is a schematic diagram of the structure of the warning tape and the reel in the utility model;
[0019] Figure 4 It is a structural schematic diagram of the fixing plate and the spring in the utility model.
[0020] In the figure:
[0021] 1. Base; 2. Support column;
[0022] 3. Winding mechanism; 31. Motor; 32. First clamping plate; 33. Second clamping plate; 34. Connecting rod; 35. Rectangular cylinder; 36. Screw; 37. Moving block; 38. Rotating member; 39. Push switch;
[0023] 4. Connecting mechanism; 41. Clamping block; 42. Connecting block; 43. Spring; 44. Fixing plate; 45. Buckle;
[0024] 5. Storage tube; 6. Warning tape; 7. Reeling tube. DETAILED DESCRIPTION
[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0026] Example 1
[0027] like Figure 1 As shown:
[0028] A warning fence for power operations includes a base 1, a support column 2 fixedly connected to the surface of the base 1, and a storage cylinder 5 fixedly connected to the top of the support column 2. A winding cylinder 7 is rotatably connected inside the storage cylinder 5, and a warning tape 6 is wound on the surface of the winding cylinder 7.
[0029] In this embodiment: the existing disclosure (announcement) number: CN201556868U discloses an electric safety warning device; in order to solve the technical problems existing in this prior art, as disclosed in the background technology above, "the stretching length of the warning tape 6 wound up by the coil spring is affected by the maximum deformation of the coil spring. Therefore, the coil spring can only wind up a certain length of the warning tape 6. When the power equipment and power operations are large, multiple sets of fences need to be used in conjunction, which is time-consuming, labor-intensive and inconvenient to use". This problem is obviously a real problem that exists and is difficult to solve. In view of this, in order to solve this technical problem, a winding mechanism 3 and a connecting mechanism 4 are added to the application document.
[0030] More specifically:
[0031] like Figure 1-Figure 4 As shown:
[0032] In combination with the above content, the winding mechanism 3 includes a rectangular tube 35 arranged inside the winding tube 7, a connecting rod 34 fixedly connected to the top end of the rectangular tube 35, and a second clamping disk 33 fixedly connected to the bottom end of the rectangular tube 35. The first clamping disk 32 is rotatably connected to one side of the winding tube 7 close to the second clamping disk 33. The adjacent sides of the first clamping disk 32 and the second clamping disk 33 are fixedly connected with clamping teeth in a circular array. A movable groove matching the rectangular tube 35 is provided on one side of the winding tube 7 close to the rectangular tube 35.
[0033] In the present embodiment: when the warning enclosure for power operations is in use, the rectangular tube 35 can drive the second clamping disk 33 and the winding drum 7 to rotate synchronously, and then the second clamping disk 33 is separated from the first clamping disk 32, and one end of the warning tape 6 can be pulled to pull the warning tape 6 out from the inside of the storage tube 5, and the stretching length of the warning tape 6 can be adjusted. The working range of the staff is enclosed by the warning tape 6, and when the length of the warning tape 6 is appropriate, the second clamping disk 33 is pushed to clamp with the first clamping disk 32, and the winding drum 7 can be locked to prevent the warning tape 6 from being loosened by external pulling.
[0034] Going further:
[0035] like Figure 1-Figure 4 As shown:
[0036] In order to facilitate the driving of the winding drum 7 for winding, in an optional embodiment: a motor 31 is installed inside the support column 2, and the output end of the motor 31 is fixedly connected to the first clamping disk 32 via a connecting shaft, and a push-type switch 39 is installed on the surface of the support column 2 close to the motor 31; the top end of the connecting rod 34 passes through the interior of the winding drum 7 and is fixedly connected to a rotating member 38 arranged on the upper side of the storage drum 5; the side of the connecting rod 34 is rotatably connected to a moving block 37 via a bearing A, a screw 36 is threaded inside the moving block 37, and the screw 36 is rotatably connected to the storage drum 5 via a bearing B.
[0037] In this embodiment: when the warning fence for power operation is in use, the support column 2 is placed in the power working range through the base 1, and then the screw 36 is rotated to drive the moving block 37 to move, and the second clamping plate 33 is pulled upward by the connecting rod 34 and the rectangular tube 35 to separate the second clamping plate 33 from the first clamping plate 32, and then one end of the warning tape 6 can be pulled out of the storage tube 5, and the length of the warning tape 6 can be adjusted according to the needs of use. After the length of the warning tape 6 is adjusted to a suitable length, the second clamping plate 33 is driven to clamp with the first clamping plate 32 by reversing the screw 36. The motor 31 is a servo motor whose output shaft has an automatic The locking capability enables the first clamping disc 32 to lock the winding drum 7, thereby fixing the length of the warning tape 6 to prevent the warning tape 6 from being loosened due to external tension during use. When the warning tape 6 needs to be wound up, the motor 31 is started by the push switch 39, and the rectangular drum 35 is driven to rotate by the first clamping disc 32 and the second clamping disc 33, thereby driving the winding drum 7 to rotate and wind up the warning tape 6. When the battery power inside the support column 2 is exhausted, the connecting rod 34 can be driven to rotate by rotating the rotating member 38, and the winding drum 7 is driven to rotate by the rectangular drum 35, so that the warning tape 6 is manually wound up, thereby improving the flexibility of the device.
[0038] It should be noted that a battery module is provided inside the support column 2, and the battery is electrically connected to the push switch 39 and the motor 31 through a wire. The push switch 39 can control the start and stop of the motor 31, and the battery module is electrically connected to an external power supply to charge the battery module.
[0039] More specifically:
[0040] like Figure 1-Figure 4 As shown:
[0041] In combination with the above content, a connecting mechanism 4 is provided at one end of the warning tape 6, and the connecting mechanism 4 includes a connecting block 42 fixedly connected to one end of the warning tape 6 and a clamping block 41 fixedly connected to the surface of the storage tube 5 and having a trapezoidal structure, a fixing plate 44 is symmetrically hinged inside the connecting block 42, and a buckle 45 is fixedly connected to an adjacent side of the fixing plate 44; a spring 43 is symmetrically fixedly connected between the fixing plate 44 and the warning tape 6, and a pressing pad is fixedly connected to the surface of the fixing plate 44.
[0042] In this embodiment: when the warning fence for power operations is in use, the length of the warning tape 6 is adjusted by pulling the connecting block 42, the warning tape 6 is surrounded outside the working range, and the fixing plate 44 is pushed to clamp the buckle 45 with the connecting block 42 on the other group of support columns 2 to complete the installation of the warning tape 6. When the warning tape 6 needs to be removed, the fixing plate 44 on one side is pressed to squeeze the spring 43 to contract and drive the buckle 45 to separate from the block 41, so that the warning tape 6 can be separated from the other group of support columns 2, and then the warning tape 6 can be rolled up.
[0043] Working principle: When the warning fence for power operation is in use, the support column 2 is placed in the power working range through the base 1, and then the screw 36 is rotated to drive the moving block 37 to move, and the second clamping plate 33 is pulled upward by the connecting rod 34 and the rectangular tube 35 to separate the second clamping plate 33 from the first clamping plate 32. The length of the warning tape 6 can be adjusted by pulling the connecting block 42, and the warning tape 6 is surrounded and arranged outside the working range. The fixing plate 44 is pushed to make the buckle 45 clamp with the connecting block 42 on another group of support columns 2, and the warning tape 6 is installed on the other group of support columns 2. Then, the second clamping plate 33 is driven to clamp with the first clamping plate 32 by reversing the screw 36. The motor 31 is a servo motor whose output shaft has self-locking ability, so that the first clamping plate 3 2 can lock the winding drum 7, thereby fixing the length of the warning tape 6, so as to prevent the warning tape 6 from being loosened due to external tension during use. When the warning tape 6 needs to be wound up, the spring 43 is squeezed and driven to separate the buckle 45 from the clamping block 41 by pressing the fixing plate 44 on one side, so that the warning tape 6 can be separated from the other group of support columns 2. Then, the motor 31 is started by the push switch 39, and the rectangular drum 35 is driven to rotate by the first clamping plate 32 and the second clamping plate 33, thereby driving the winding drum 7 to rotate and wind up the warning tape 6. When the battery power inside the support column 2 is exhausted, the connecting rod 34 can be driven to rotate by rotating the rotating member 38, and the winding drum 7 is driven to rotate by the rectangular drum 35, so that the warning tape 6 is manually wound up, thereby improving the flexibility of the device.
[0044] Finally, it should be noted that the above are only preferred embodiments of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions described in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention to solve the problems raised in the above background technology.
Claims
1. A warning fence for electric power operation, comprising a base (1), a support column (2) fixedly connected to the surface of the base (1), and a storage cylinder (5) fixedly connected to the top of the support column (2), wherein a winding cylinder (7) is rotatably connected inside the storage cylinder (5), and a warning tape (6) is wound around the surface of the winding cylinder (7), characterized in that: A winding mechanism (3) is arranged inside the winding drum (7); The winding mechanism (3) comprises a rectangular tube (35) arranged inside the winding tube (7), a connecting rod (34) fixedly connected to the top end of the rectangular tube (35), and a second clamping disk (33) fixedly connected to the bottom end of the rectangular tube (35); a first clamping disk (32) is rotatably connected to a side of the winding tube (7) close to the second clamping disk (33); adjacent sides of the first clamping disk (32) and the second clamping disk (33) are fixedly connected to clamping teeth in a ring array; and a movable groove matching the rectangular tube (35) is provided on a side of the winding tube (7) close to the rectangular tube (35).
2. The warning fence for electric power operation according to claim 1, characterized in that: An electric motor (31) is installed inside the support column (2), and an output end of the electric motor (31) is fixedly connected to the first clamping plate (32) via a connecting rod, and a push-type switch (39) is installed on a side of the surface of the support column (2) close to the electric motor (31).
3. The warning fence for electric power operation according to claim 1, characterized in that: The top end of the connecting rod (34) passes through the interior of the winding drum (7) and is fixedly connected to a rotating member (38) disposed on the upper side of the storage drum (5).
4. The warning fence for electric power operation according to claim 1, characterized in that: The side of the connecting rod (34) is rotatably connected to a moving block (37) via a bearing A, a screw rod (36) is threadedly connected inside the moving block (37), and the screw rod (36) is rotatably connected to the storage cylinder (5) via a bearing B.
5. The warning fence for electric power operation according to claim 1, characterized in that: A connecting mechanism (4) is provided at one end of the warning tape (6), the connecting mechanism (4) comprising a connecting block (42) fixedly connected to one end of the warning tape (6) and a clamping block (41) fixedly connected to the surface of the storage tube (5) and having a trapezoidal structure, a fixing plate (44) being symmetrically hinged inside the connecting block (42), and a buckle (45) being fixedly connected to an adjacent side of the fixing plate (44).
6. The warning fence for electric power operation according to claim 5, characterized in that: A spring (43) is symmetrically fixedly connected between the fixing plate (44) and the warning strip (6), and a pressing pad is fixedly connected to the surface of the fixing plate (44).