Brake speed regulation mechanical arm of crane
By designing a crane braking and speed-regulating robotic arm, the electric cylinder drives the connecting plate to brake the winch shaft, and the clamping block synchronously brakes the rope, thus solving the problem of speed loss during crane hoisting and achieving more efficient safety control.
Patent Information
- Application Number
- CN202422812332.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-19
- Publication Date
- 2026-01-23
- Estimated Expiration
- 2034-11-19
AI Technical Summary
In existing cranes, the braking control of the winch connecting shaft is insufficient during hoisting, which leads to uncontrolled speed of hoisted items and poses a safety hazard. Furthermore, safety issues cannot be completely avoided if the rope simply derails.
Design a crane braking and speed-regulating robotic arm that uses a connecting plate driven by an electric cylinder to brake the winch shaft and uses a clamping block to synchronously brake the rope, achieving dual protection.
It improves braking efficiency and safety during hoisting, ensuring the safe use of the equipment.
Smart Images
Figure CN223823237U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of crane accessory, concretely is a crane brake speed regulation mechanical arm. BACKGROUND
[0002] The crane is the multi -action hoisting machinery of vertical promotion and horizontal transport heavy object in a certain range, also called the sky car, the navigation, the crane, the crane carries out the speed and position regulation through mechanical arm to lift the article, installs the capstan on the mechanical arm, utilizes the rope of capstan to carry out the article hoisting.
[0003] When the crane hoists goods by the capstan, needs to brake control to the capstan connecting shaft, thereby the falling position and the rising position of the object hoisted are controlled conveniently, otherwise when the mechanical arm drives the rope on the capstan to hoist the article, if the article speed is out of control and does not have brake control, then makes the hoisted article easy to produce the hidden danger of the personal safety of construction operator, but, because the object is installed on the rope of capstan, if the rope derails, only brake to the capstan connecting shaft, then cannot avoid the generation of the safety problem completely.
[0004] Therefore, it is necessary to design a crane brake speed regulation mechanical arm to solve the above problems. SUMMARY
[0005] The utility model discloses a crane brake speed regulation mechanical arm for solving the technical problem in the above background art.
[0006] In order to achieve the above-mentioned purpose, the utility model provides the following technical scheme: A crane brake speed regulation mechanical arm, including the connecting box and the brake shoe, the outer surface of connecting box is equipped with the clamping mouth, the bottom of clamping mouth is provided with the put axis mouth, the outer surface of connecting box is equipped with two first sliding mouths and two second sliding mouths, the inner chamber top of connecting box is fixedly connected with electric jar, and the bottom of electric jar is fixedly connected with connecting block, and one side of connecting block is rotatably connected with two symmetrical rotating shafts, and two rotating shafts are slidably arranged in the inside of one first sliding mouth, and the rotating piece is fixedly sleeved on two rotating shafts, and the bottom of two rotating pieces is inserted with another two rotating shafts, and the sliding block is rotatably connected on two rotating shafts, and one end of four rotating shafts is fixedly connected with the limiting piece, and two sliding blocks are slidably arranged on the two sides of the inner chamber of connecting box respectively, and the other side of connecting block is fixedly connected with lifting plate, and one end of connecting block is slidably arranged in the inside of another first sliding mouth, one side of lifting plate is fixedly connected with one connecting piece, and the outer surface of connecting piece is equipped with threading hole, the lower portion of threading hole is provided with opening, the two sides of opening are equipped with sliding groove, the inside of two sliding grooves is slidably inserted with insertion plate, one mouth-shaped block is fixedly connected between two insertion plates, the inside of mouth-shaped block is slidably provided with threaded sleeve block, the top of threaded sleeve block is fixedly connected with two symmetrical connecting columns, and the top of two connecting columns is fixedly connected with one clamping block, the bottom of two insertion plates is fixedly connected with one connecting rod, and one side of connecting rod is fixedly connected on one side of lifting plate, and the threaded rod is rotatably connected on connecting rod, the top of threaded rod is threadedly inserted in the inside of threaded sleeve block, and the bottom of threaded rod is fixedly connected with knob.
[0007] Preferably, the inner chamber bottom and bottom of the connecting box are both provided with two symmetrical sliding grooves, and the top and bottom of the two sliding blocks are both fixedly connected with clamping blocks, and the four clamping blocks are slidably arranged in the four sliding grooves respectively.
[0008] Preferably, the threaded sleeve block is a square block, and the two sides of the threaded sleeve block are fitted with the inner chamber of the mouth-shaped block.
[0009] Preferably, the two connecting columns are respectively located on the two sides of the threaded rod, the top of the two connecting columns is penetrated to the outside of the top of the mouth-shaped block, the clamping block is slidably arranged in the inside of the threading hole, and the top of the clamping block is provided with an arc surface.
[0010] Preferably, the bottom of the connecting box is fixedly connected with connecting plates on both sides, the outer surface of the connecting plate is provided with a mounting hole, and the inside of the two brake shoes is fixedly connected with brake thickened friction pieces.
[0011] Compared with the prior art, the technical scheme provided by the utility model has the following beneficial effects:
[0012] The utility model discloses a lifting of electric cylinder makes two connecting pieces can brake and adjust the axle body of winch on mechanical arm, and simultaneously, the lifting of wire clamping block is synchronous brake and adjustment to the rope on winch passing through the threading hole, utilizes the double protection of brake to improve the brake efficiency of device, guarantees the use security of device. BRIEF DESCRIPTION OF DRAWINGS
[0013] Fig. 1 It is the structural schematic diagram of the utility model;
[0014] Fig. 2 It is the connection box structure exploded view of the utility model;
[0015] Fig. 3 It is the structure schematic diagram of the square block of the utility model;
[0016] In the drawing: 1, connection box;2, connecting piece;3, connecting rod;4, connecting plate;5, rotating piece;6, limit piece;7, connecting block;8, brake piece;9, brake thickened friction piece;10, first sliding mouth;11, second sliding mouth;12, electric cylinder;13, sliding block;15, clamping block;16, sliding groove;17, lifting plate;18, plug-in board;19, threaded rod;20, square block;21, threaded sleeve block;22, wire clamping block;23, connecting column;24, knob. DETAILED DESCRIPTION
[0017] The technical scheme in the utility model embodiments will be described clearly and completely below in conjunction with the accompanying drawings in the utility model embodiments.
[0018] Obviously, a lot of specific details have been set forth in the foregoing description in order to provide a thorough understanding of the utility model. However, the utility model can be practiced in different ways without departing from the spirit and scope of the present utility model, and it is therefore intended that the utility model not be limited to the disclosed implementation described above but can be practiced with modifications and changes within the scope and spirit of the present utility model.
[0019] Please refer to Figs. 1-3The utility model provides a crane braking speed regulation mechanical arm, including connecting box 1 and brake piece 8, the outer surface of connecting box 1 is equipped with the clamping mouth, the bottom of clamping mouth is provided with the axle mouth, the outer surface of connecting box 1 is equipped with the symmetry of two first sliding mouth 10 and the symmetry of two second sliding mouth 11, the inner chamber top of connecting box 1 is fixedly connected with electric jar 12, and the bottom of electric jar 12 is fixedly connected with connecting block 7, and one side of connecting block 7 is rotatably connected with the symmetry of two rotating shafts, and two rotating shafts are slidably arranged in the inside of a first sliding mouth 10, and rotating piece 5 is fixedly sleeved on two rotating shafts, and the bottom of two rotating piece 5 is inserted with another two rotating shafts, and sliding block 13 is rotatably connected on two rotating shafts, the one end of four rotating shafts is fixedly connected with limit piece 6, and two sliding blocks 13 are slidably arranged on the both sides of the inner chamber of connecting box 1 respectively, and the other side of connecting block 7 is fixedly connected with lifting plate 17, one end of connecting block 7 is slidably arranged in the inside of another first sliding mouth 10, one side of lifting plate 17 is fixedly connected with a connecting piece 2, and the outer surface of connecting piece 2 is equipped with threading hole, the lower of threading hole is provided with opening, the both sides of opening are equipped with sliding slot, the inside of two sliding slots is slidably inserted with inserting plate 18, one mouth-shaped block 20 is fixedly connected between two inserting plate 18, the inside of mouth-shaped block 20 is slidably arranged with threaded sleeve block 21, the top of threaded sleeve block 21 is fixedly connected with the symmetry of two connecting columns 23, and the top of two connecting columns 23 is fixedly connected with one clamping block 22, the bottom of two inserting plate 18 is fixedly connected with one connecting rod 3, and one side of connecting rod 3 is fixedly connected on one side of lifting plate 17, and threaded rod 19 is rotatably connected on connecting rod 3, the top of threaded rod 19 is threadedly inserted in the inside of threaded sleeve block 21, and the bottom of threaded rod 19 is fixedly connected with knob 24, through axle mouth, the connecting shaft of capstan is placed between two brake pieces 8, through the telescopic of electric jar 12, the distance between two sliding blocks 13 is controlled by the rotation of two rotating piece 5, that is, the distance between two brake pieces 8 is adjusted, when needing to brake, the shaft body is clamped by two brake pieces 8, that is, the shaft body is braked by friction force, and when using the shaft body braking mode, the lifting of clamping block 22 is controlled by the telescopic of electric jar 12, when the rope is placed in the inside of threading opening, the position of clamping block 22 in the inside of threading opening is adjusted by rotating knob 24, until adjusting to the appropriate distance, when electric jar 12 is retracted and drives two brake pieces 8 to brake the shaft body, the rope is tightened by the lifting of clamping block 22, thereby using double protection to improve the safety of the device when braking.
[0020] In order to improve the sliding stability of the two sliding blocks 13 when the electric cylinder 12 extends and retracts, two symmetrical sliding grooves 16 are provided at the bottom and bottom of the inner cavity of the connecting box 1, and the top and bottom of the two sliding blocks 13 are fixedly connected with the locking blocks 15, and the four locking blocks 15 are respectively slidably arranged inside the four sliding grooves 16.
[0021] Furthermore, in order to ensure the sliding stability of the threaded sleeve 21, the threaded sleeve 21 is a square block, and the two sides of the threaded sleeve 21 are in contact with the two sides of the inner cavity of the square block 20.
[0022] In order to ensure that the wire clamping block 22 can move up and down stably and synchronously when the threaded sleeve block 21 is raised and lowered, two connecting posts 23 are located on both sides of the threaded rod 19, and the tops of the two connecting posts 23 penetrate through the top of the U-shaped block 20. The wire clamping block 22 is slidably disposed inside the wire hole, and the top of the wire clamping block 22 has an arc-shaped surface.
[0023] Furthermore, to ensure the stability of the device connection and improve the efficiency of the device's braking of the shaft, connecting plates 4 are fixedly attached to both sides of the bottom of the connecting box 1, and mounting openings are provided on the outer surface of the connecting plates 4. Thickened braking friction pads 9 are fixedly attached to the inside of both brake pads 8.
[0024] The preferred embodiments of the present invention have been described in detail above with reference to the accompanying drawings. However, the present invention is not limited to the specific details of the above embodiments. Within the scope of the technical concept of the present invention, various simple modifications can be made to the technical solution of the present invention, and these simple modifications all fall within the protection scope of the present invention.
[0025] It should also be noted that the various specific technical features described in the above specific embodiments can be combined in any suitable way without contradiction. In order to avoid unnecessary repetition, this utility model will not describe the various possible combinations separately.
[0026] Furthermore, various different embodiments of this utility model can be combined in any way, as long as they do not violate the spirit of this utility model, they should also be regarded as the content disclosed by this utility model.
Claims
1. A crane braking speed-regulating robotic arm, comprising a connecting box (1) and brake pads (8), characterized in that: The outer surface of the connecting box (1) is provided with a clamping opening, and the bottom of the clamping opening is provided with a shaft placement opening. The outer surface of the connecting box (1) is provided with two symmetrical first sliding openings (10) and two symmetrical second sliding openings (11). An electric cylinder (12) is fixedly connected to the top of the inner cavity of the connecting box (1), and a connecting block (7) is fixedly connected to the bottom of the electric cylinder (12). Two symmetrical rotating shafts are rotatably connected to one side of the connecting block (7), and the two rotating shafts are slidably disposed in one of the first sliding openings (10). Inside the connecting box (1), two rotating shafts are fixedly fitted with rotating plates (5), and two other rotating shafts are inserted into the bottom ends of the two rotating plates (5). Sliding blocks (13) are rotatably connected to the two rotating shafts. Limiting plates (6) are fixedly connected to one end of the four rotating shafts. The two sliding blocks (13) are respectively slidably disposed on both sides of the inner cavity of the connecting box (1). A lifting plate (17) is fixedly connected to the other side of the connecting block (7). One end of the connecting block (7) is slidably disposed in another first sliding port (1). Inside the lifting plate (17), a connecting piece (2) is fixedly connected to one side, and a wire hole is provided on the outer surface of the connecting piece (2). An opening is provided below the wire hole, and sliding grooves are provided on both sides of the opening. A plug-in plate (18) is slidably inserted into the two sliding grooves. A U-shaped block (20) is fixedly connected between the two plug-in plates (18). A threaded sleeve block (21) is slidably provided inside the U-shaped block (20), and a threaded sleeve block (21) is fixedly connected to the top of the threaded sleeve block (21). Two symmetrical connecting columns (23) are connected together, and a clamping block (22) is fixedly connected to the top of the two connecting columns (23). A connecting rod (3) is fixedly connected to the bottom of the two plug plates (18). One side of the connecting rod (3) is fixedly connected to one side of the lifting plate (17). A threaded rod (19) is rotatably connected to the connecting rod (3). The top of the threaded rod (19) is threadedly inserted into the inside of the threaded sleeve block (21). A knob (24) is fixedly connected to the bottom of the threaded rod (19).
2. The crane braking and speed-regulating robotic arm according to claim 1, characterized in that: The inner cavity of the connecting box (1) has two symmetrical sliding grooves (16) at the bottom and bottom, and the top and bottom of the two sliding blocks (13) are fixed with a locking block (15), and the four locking blocks (15) are respectively slidably disposed inside the four sliding grooves (16).
3. A crane braking and speed-regulating robotic arm according to claim 1, characterized in that: The threaded sleeve block (21) is a square block, and the two sides of the threaded sleeve block (21) are in contact with the two sides of the inner cavity of the square block (20).
4. A crane braking and speed-regulating robotic arm according to claim 1, characterized in that: The two connecting posts (23) are located on both sides of the threaded rod (19), and the tops of the two connecting posts (23) penetrate through the top of the square block (20). The wire clamping block (22) is slidably disposed inside the wire hole, and the top of the wire clamping block (22) has an arc-shaped surface.
5. A crane braking and speed-regulating robotic arm according to claim 1, characterized in that: Both sides of the bottom of the connecting box (1) are fixedly connected to the connecting plate (4), and the outer surface of the connecting plate (4) is provided with an installation port. Both brake pads (8) are fixedly connected to the interior of the brake pads (9).