Anti-falling bridge crane
By introducing sliding connections and motor-driven sliding rod and connecting rod structures into bridge cranes, the problems of swaying and falling during crane lifting are solved, achieving stable lifting and protection functions.
Patent Information
- Application Number
- CN202520171242.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-25
- Publication Date
- 2026-02-06
- Estimated Expiration
- 2035-01-25
AI Technical Summary
Existing bridge cranes are prone to wire rope breakage due to swaying from side to side during lifting of heavy objects, which may cause the goods to fall off, posing a safety hazard and equipment damage risk.
By sliding the connecting bracket on the bridge frame and rotating the threaded pipe and screw on the base, combined with the motor-driven slide bar and connecting rod structure, the stability adjustment and fall protection of the crane can be achieved.
It effectively prevents the crane from swaying left and right during movement, reduces the risk of goods falling, and provides protection in the event of a fall, ensuring safety and equipment stability.
Smart Images
Figure CN223879329U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to crane technical field, specifically relates to a kind of anti-falling bridge cranes. BACKGROUND
[0002] The bridge crane, commonly known as "bridge crane", is also called "traveling crane" in factory, which is a kind of hoisting equipment for lifting and transporting materials above workshop, warehouse and material yard. The bridge crane is supported by running device at both ends of the bridge and is a type of bridge crane. The bridge crane is divided into single trolley and double trolley, which is composed of bridge, hoisting trolley, running mechanism of trolley and electrical equipment. The bridge crane is placed on high cement column or metal support at both ends, and its shape is similar to a bridge. The bridge of the bridge crane is a combination of box section girder and end beam, which runs longitudinally along the track laid on the high rack on both sides. The bridge crane can fully utilize the space below the bridge for lifting and transporting materials, and is not hindered by ground equipment.
[0003] At present, the bridge crane used in the existing factory area often shakes left and right during the movement of the crane after lifting the heavy object, which may cause the steel wire rope to break and the goods or workpieces to fall off, and may also cause collision, resulting in unnecessary damage and casualties, affecting the use of the crane and existing problems. CONTENT OF THE UTILITY MODEL
[0004] In view of the defects in the prior art, the utility model provides an anti-falling bridge crane to solve the existing problems.
[0005] The utility model is realized by the following technical scheme: an anti-falling bridge crane, comprising a bridge, a base, a mounting seat and a sliding rod, characterized in that: a support is slidably connected to the bridge, the base is slidably connected to the support, a threaded pipe is rotatably connected to the base through a bearing, a first screw is threadedly connected to the threaded pipe, one end of the first screw is fixedly connected to the mounting seat, an optical shaft is fixedly connected to the mounting seat, and the optical shaft is slidably connected to the base.
[0006] Preferably, a plurality of first sliding rods and second sliding rods are slidably connected to the mounting seat, a sleeve is fixedly connected to the first sliding rod, and a connecting rod is fixedly connected to the second sliding rod; the first sliding rod and the second sliding rod are coaxial, and the sleeve and the connecting rod are coaxial.
[0007] Preferably, one limiting block is fixedly connected to each of the first sliding rod and the second sliding rod, a square hole is formed in the mounting seat, and the limiting block is slidably connected to the square hole in the mounting seat; a plurality of through holes are formed in the sleeve, a clamping block is slidably connected to the connecting rod, and a spring is connected between the clamping block and the connecting rod.
[0008] Preferably, a first motor is fixedly connected to the base, a second gear is fixedly connected to the shaft of the first motor, the second gear meshes with the first gear, and the first gear is fixedly connected to the threaded tube; a second screw is fixedly connected to the optical shaft, and a nut is connected to the second screw.
[0009] Preferably, a second motor is fixedly connected to the base, a roller is fixedly connected to the shaft of the second motor, a steel cable is fixedly connected to the roller, and a hook is fixedly connected to one end of the steel cable; through holes are provided on the base and the mounting base, and the steel cable passes through the through holes of the base and the mounting base.
[0010] The beneficial effects of this utility model are as follows: the cooperation between the slide rod and the screw on the mounting base can effectively prevent the crane from swaying left and right during movement, reducing the risk of falling. At the same time, in the event of a fall, the screw and connecting rod can provide fall protection. Attached Figure Description
[0011] To more clearly illustrate the specific embodiments of this utility model or the technical solutions in the prior art, the drawings used in the description of the specific embodiments or the prior art will be briefly introduced below. In all the drawings, similar elements or parts are generally identified by similar reference numerals. In the drawings, the elements or parts are not necessarily drawn to scale.
[0012] Figure 1 This is a schematic diagram of the overall structure of this utility model;
[0013] Figure 2 This utility model Figure 1 Enlarged view of the structure at point A in the middle;
[0014] Figure 3 This is a schematic diagram of the left-side structure of this utility model;
[0015] Figure 4 This utility model Figure 3 Cross-sectional view at point BB;
[0016] Figure 5 This is a top view of the structure of this utility model;
[0017] Figure 6 This utility model Figure 1 Enlarged view of the structure at point C.
[0018] In the attached diagram, 1 is the cable tray, 2 is the first screw, 3 is the first motor, 4 is the second motor, 5 is the second screw, 6 is the bracket, 7 is the base, 8 is the steel cable, 9 is the mounting base, 10 is the first slide bar, 11 is the sleeve, 12 is the optical axis, 13 is the second slide bar, 14 is the connecting rod, 15 is the first gear, 16 is the threaded tube, 17 is the shaft roller, 18 is the second gear, 19 is the hook, 20 is the locking block, 21 is the spring, and 22 is the limiting block. DETAILED DESCRIPTION
[0019] In order to make the above objectives, features and advantages of the present application more apparent, specific embodiments of the present application will be described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application. It will be apparent, however, to one skilled in the art that the present application can be practiced without some or all of these specific details. In other instances, well known process steps have not been described in detail in order to avoid unnecessarily obscuring the present application. The specific embodiments of the present application are shown in the drawings as follows.
[0020] It is to be understood that when an element is referred to as being "on" another element, it can be directly on the other element or intervening elements can also be present. In addition, it should be understood that when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements can also be present.
[0021] For ease of description, spatially relative terms such as "upper", "lower", "left", "right", and the like can be used herein for the purpose of illustrating one element or feature's relationship to another element(s) or feature(s) as shown in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device shown in the figures is turned over, elements described as being "below" or "beneath" other elements or features would then be oriented "above" the other elements or features. Thus, the exemplary term "below" can encompass both an orientation of above and below. The terms "above" and "below" can include vertical orientations as well as orientations that are not vertical.
[0022] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used in the description of the application herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. All publications, patent applications, patents, and other references mentioned herein are incorporated by reference in their entirety.
[0023] In order to make the above objectives, features and advantages of the present application more apparent, specific embodiments of the present application will be described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application. It will be apparent, however, to one skilled in the art that the present application can be practiced without some or all of these specific details. In other instances, well known process steps have not been described in detail in order to avoid unnecessarily obscuring the present application. The specific embodiments of the present application are shown in the drawings as follows. Figures 1-6 The present application is achieved by the following technical solutions: a kind of anti-falling bridge crane, including bridge 1, base 7, mounting seat 9 and slide bar, it is characterized by: the bracket 6 is slidably connected on the bridge 1, the bracket 6 is slidably connected on base 7, base 7 is rotatably connected with threaded tube 16 by bearing, threaded tube 16 is threadedly connected with first screw 2, one end of first screw 2 is fixedly connected with mounting seat 9, mounting seat 9 is fixedly connected with optical shaft 12, optical shaft 12 is slidably connected with base 7.
[0024] A plurality of first slide rods 10 and second slide rods 13 are slidingly connected in the mounting seat 9, a sleeve 11 is fixedly connected on the first slide rod 10, and a connecting rod 14 is fixedly connected on the second slide rod 13; the first slide rod 10 and the second slide rod 13 are coaxial, and the sleeve 11 and the connecting rod 14 are coaxial.
[0025] A limiting block 22 is fixedly connected on the first slide rod 10 and the second slide rod 13 respectively, a square hole is formed in the mounting seat 9, and the limiting block 22 is slidingly connected in the square hole of the mounting seat 9; a plurality of through holes are formed in the sleeve 11, a clamping block 20 is slidingly connected on the connecting rod 14, and a spring 21 is connected between the clamping block 20 and the connecting rod 14.
[0026] A first motor 3 is fixedly connected on the base 7, a second gear 18 is fixedly connected on the rotating shaft of the first motor 3, the first gear 15 is engagedly connected with the second gear 18, and the first gear 15 is fixedly connected on the threaded pipe 16; a second screw 5 is fixedly connected on the optical axis 12, and a nut is connected on the second screw 5; the falling height of the mounting seat 9 can be adjusted by adjusting the position of the nut.
[0027] A second motor 4 is fixedly connected on the base 7, an axle roller 17 is fixedly connected on the rotating shaft of the second motor 4, a steel cable 8 is fixedly connected on the axle roller 17, and a lifting hook 19 is fixedly connected on one end of the steel cable 8; through holes are formed in the base 7 and the mounting seat 9, and the steel cable 8 passes through the through holes of the base 7 and the mounting seat 9.
[0028] The working principle of the utility model is as follows: the second motor 4 is started to make the lifting hook 19 lift the hoisted object, the first motor 3 is started to rotate to drive the threaded pipe 16 to rotate, thereby adjusting the height of the first screw 2 and the mounting seat 9, the first slide rod 10 and the second slide rod 13 are moved close to each other, the connecting rod 14 is inserted into the sleeve 11, the clamping block 20 is clamped into the through hole of the sleeve 11, at this time, the hoisted object is transferred again, the first screw 2, the optical axis 12 and the slide rod are matched, which can effectively prevent the crane from shaking left and right during movement, the clamping block 20 is pressed down to extract the connecting rod 14 after the transfer is completed, and the hoisted object can be unloaded, once the hoisted object falls, the first screw 2 can bear the weight, and the second screw 5 and the nut are matched to bear the weight, which can play a role in preventing falling.
[0029] Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the utility model, and not to limit them; although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: it can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the utility model, and they should be covered in the scope of the claims and the description of the utility model.
Claims
1. A fall-prevention bridge crane comprising a bridge (1), a base (7), a mounting seat (9) and a slide rod, characterized in that: The bridge (1) is slidably connected with a support (6), the support (6) is slidably connected with a base (7), the base (7) is rotatably connected with a threaded pipe (16) through a bearing, the threaded pipe (16) is threadedly connected with a first screw rod (2), one end of the first screw rod (2) is fixedly connected with a mounting base (9), the mounting base (9) is fixedly connected with an optical shaft (12), and the optical shaft (12) is slidably connected with the base (7).
2. A fall arrest bridge crane according to claim 1, characterised in that: A plurality of first slide rods (10) and second slide rods (13) are slidably connected in the mounting base (9), the first slide rods (10) are fixedly connected with sleeve pipes (11), and the second slide rods (13) are fixedly connected with connecting rods (14); the first slide rods (10) and the second slide rods (13) are coaxial, and the sleeve pipes (11) and the connecting rods (14) are coaxial.
3. A fall arrest bridge crane according to claim 2, characterised in that: A plurality of limiting blocks (22) are fixedly connected to the first slide rods (10) and the second slide rods (13) respectively, a square hole is formed in the mounting base (9), and the limiting blocks (22) are slidably connected in the square hole of the mounting base (9); a plurality of through holes are formed in the sleeve pipes (11), a clamping block (20) is slidably connected to the connecting rod (14), and a spring (21) is connected between the clamping block (20) and the connecting rod (14).
4. A fall arrest bridge crane according to claim 1, characterized in that: A first motor (3) is fixedly connected to the base (7), a second gear (18) is fixedly connected to a rotating shaft of the first motor (3), the second gear (18) is meshedly connected with a first gear (15), and the first gear (15) is fixedly connected to the threaded pipe (16); a second screw rod (5) is fixedly connected to the optical shaft (12), and the second screw rod (5) is connected with a nut.
5. A fall arrest bridge crane according to claim 1, characterized in that: A second motor (4) is fixedly connected to the base (7), an axle roller (17) is fixedly connected to a rotating shaft of the second motor (4), a steel cable (8) is fixedly connected to the axle roller (17), and one end of the steel cable (8) is fixedly connected with a hook (19); through holes are formed in the base (7) and the mounting base (9), and the steel cable (8) passes through the through holes of the base (7) and the mounting base (9).