Cable-stayed and top-rushing prevention device for crane
By designing an anti-tilting module and a buffer frame for the crane's anti-slant and anti-collision device, the problems of electric hoist tilting and hook collision were solved, achieving automatic sensing and buffering, and improving operational safety.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-25
- Publication Date
- 2026-04-07
AI Technical Summary
In existing technologies, the problems of tilting during lifting and hook tipping over the top of electric hoists are difficult to prevent by relying on manual observation, posing safety hazards.
Design a crane anti-tilt and anti-impact device, including an anti-tilt module and a buffer seat. The device senses the tilt state of the lifting cable through the cooperation of a contact plate, a connecting ball and a concave base, and reflects it in the control circuit. Combined with the buffer frame, it buffers the impact of the hook retraction, ensuring the safe operation of the crane.
It automatically senses the tilt of the lifting cable and stops the operation in time, buffering the impact of the hook retraction and improving the operational safety of the electric hoist.
Smart Images
Figure CN224091510U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a crane anti-inclined anti-punching device belongs to crane stopper technical field. BACKGROUND
[0002] The electric hoist is a kind of common hoisting equipment, it is widely used in production and manufacturing industry because of simple installation and flexible use;The operator must pay attention to operation specification when using electric hoist, common operation problems are: prevent electric hoist from being inclined and lifting and hook from punching;At present, in view of the above problems, the preventive measures taken by people are relying on artificial observation prevention, and the preventive effect is poor, and the security risk still exists. CONTENT OF UTILITY MODEL
[0003] The utility model solves the technical problems: overcome the insufficient of prior art, provide a crane anti-inclined anti-punching device, prevent electric hoist from being inclined and lifting and hook from punching, improve the operation safety of electric hoist.
[0004] The utility model discloses a crane anti-inclined anti-punching device, including anti-inclination module, the anti-inclination module below is equipped with the buffer seat, is equipped with the buffer frame on the buffer seat;
[0005] Anti-inclination module includes anti-inclination cylinder, the inside of anti-inclination cylinder is provided with touch plate and concave base, touch plate is arranged at the top of concave base, and touch plate and concave base are respectively connected to control circuit;The connecting ball is placed in the concave base;The outer wall of anti-inclination cylinder is connected with fixed block, and anti-inclination module is clamped to hoisting rope through fixed block.
[0006] Further, the anti-inclination cylinder is also provided with an end cap matched therewith.
[0007] Further, the buffer seat includes a cylinder body, the cylinder body includes a liquid storage cavity for storing damping liquid;The cylinder body is connected to the bottom of the fixed block.
[0008] Further, the buffer frame includes a buffer rod, one end of the buffer rod is provided with a blocking frame for blocking the hook.
[0009] The buffer rod includes a support rod, one end of the support rod is provided with a piston, and a tapered protruding portion is arranged on the head of the piston;A flow guide groove is arranged on the circumference of the piston.
[0010] The piston is slidably connected to the liquid storage cavity.
[0011] Further, the top of the liquid storage cavity is tapered to match the protruding portion.
[0012] Further, the central part of the concave base is provided with a permanent magnet for adsorbing the connecting ball.
[0013] Further, the anti-tilt cylinder is made of insulating material; the touch plate, the concave base and the connecting ball are made of conductive material.
[0014] The utility model has the beneficial effect that compared with prior art:
[0015] The anti-tilt module senses the inclination state of the hoisting cable through the cooperation of the touch plate, the connecting ball and the concave base, and timely reflects the inclination state to the control unit of the electric hoist to prevent the hoisting cable from being excessively inclined. BRIEF DESCRIPTION OF DRAWINGS
[0016] Fig. 1 is the overall structure schematic diagram of the crane anti-inclination and anti-impact device of the utility model;
[0017] Fig. 2 is the sectional structure schematic diagram of the crane anti-inclination and anti-impact device of the utility model;
[0018] Fig. 3 is the buffer rod structure schematic diagram of the crane anti-inclination and anti-impact device of the utility model.
[0019] In the drawings:
[0020] 1, anti-tilt module; 101, fixed block; 102, end cover; 103, anti-tilt cylinder; 104, touch plate; 105, connecting ball; 106, concave base;
[0021] 2, buffer seat; 201, cylinder body; 202, liquid storage cavity;
[0022] 3, buffer frame; 301, buffer rod; 3011, support rod; 3012, piston; 3013, protruding part; 3014, flow guide groove; 302, blocking frame. DETAILED DESCRIPTION
[0023] As Figs. 1-3 shown, the embodiment realizes the following technical scheme: the anti-tilt module 1 is provided below with the buffer seat 2, and the buffer seat 2 is provided with the buffer frame 3.
[0024] The anti-tilt module 1 comprises the anti-tilt cylinder 103, the inside of the anti-tilt cylinder 103 is provided with the touch plate 104 and the concave base 106, the touch plate 104 is arranged above the concave base 106, and the touch plate 104 and the concave base 106 are respectively connected to the control circuit; the connecting ball 105 is arranged in the concave base 106; the outer wall of the anti-tilt cylinder 103 is connected with the fixed block 101, and the anti-tilt module 1 is clamped to the hoisting cable through the fixed block 101.
[0025] In the embodiment, the touch plate 104 and the concave base 106 are connected to two ends of a partial control circuit of a control unit of the crane respectively, and when the touch plate 104 and the concave base 106 are communicated, the control circuit is communicated to be electrified, and then the control unit of the crane detects the signal to control the crane to stop action.
[0026] Specifically, the anti-tilt cylinder 103 is further provided with an end cover 102 matched with the anti-tilt cylinder 103.
[0027] Specifically, the buffer seat 2 comprises a cylinder body 201, and the cylinder body 201 comprises a liquid storage cavity 202 for storing damping liquid.
[0028] Specifically, the buffer frame 3 comprises a buffer rod 301, and one end of the buffer rod 301 is provided with a blocking frame 302 for blocking a lifting hook.
[0029] The buffer rod 301 comprises a supporting rod 3011, and one end of the supporting rod 3011 is provided with a piston 3012, and the head of the piston 3012 is provided with a tapered protruding part 3013.
[0030] The piston 3012 is slidably connected into the liquid storage cavity 202.
[0031] Specifically, the top of the liquid storage cavity 202 is tapered and matched with the protruding part 3013.
[0032] Specifically, the central part of the concave base 106 is provided with a permanent magnet for adsorbing the connecting ball 105, and when the concave base 106 is slightly tilted, the permanent magnet adsorbs the connecting ball 105 to prevent the connecting ball 105 from easily rolling and causing false alarm of the anti-tilt module 1.
[0033] Specifically, the anti-tilt cylinder 103 is made of insulating material; the touch plate 104, the concave base 106 and the connecting ball 105 are all made of conductive material.
[0034] The specific use principle of the utility model is as follows:
[0035] The pair of fixed blocks 101 are fixedly connected to fixed ends of the hoisting ropes through bolts, when the hoisting ropes are tilted, the anti-tilt module 1 is tilted, and with further tilting of the anti-tilt module 1, the connecting ball 105 starts to roll by overcoming the adsorption force of the permanent magnet of the concave base 106, and when the connecting ball 105 rolls to one side, the connecting ball 105 simultaneously contacts the concave base 106 and the touch plate 104, at this time, the circuits corresponding to the touch plate 104 and the concave base 106 are communicated, the control circuit of the crane is electrified, and the crane stops action; when the tilting degree of the hoisting ropes is reduced, the connecting ball 105 is re-adsorbed to the permanent magnet of the concave base 106.
[0036] The hoisting rope passes through the blocking frame 302, when the hook touches the blocking frame 302 with the hoisting rope retraction, the blocking frame 302 drives the buffer rod 301 to move in the liquid storage cavity 202, the buffer rod 301 and the liquid storage cavity 202 realize buffering to the movement of the hook through damping effect, meanwhile the impact of the hook causes the connecting ball 105 to jump and roll, the connecting ball 105 in the movement connects the corresponding circuits of the touch plate 104 and the concave base 106, the control unit of the crane detects the electric signal, the crane stops moving, preventing the hook from continuing to move and causing the impact.
[0037] Of course, the above only for the preferred embodiments of the present application, can not be considered for limiting the scope of the embodiments of the present application. The present application is not limited to the above examples, the ordinary skilled in the art within the scope of the present application made by equivalent changes and improvements, should be attributed to the patent scope of the present application.
Claims
1. A crane anti-oblique pull and anti-overhead collision device, characterized in that, include: Anti-roll module (1), with a buffer seat (2) below the anti-roll module (1) and a buffer frame (3) on the buffer seat (2); The anti-tilt module (1) includes an anti-tilt cylinder (103). Inside the anti-tilt cylinder (103) are a contact plate (104) and a concave base (106). The contact plate (104) is located above the concave base (106). The contact plate (104) and the concave base (106) are respectively connected to the control circuit. A connecting ball (105) is placed inside the concave base (106). A fixing block (101) is connected to the outer wall of the anti-tilt cylinder (103). The anti-tilt module (1) is clamped to the lifting cable by the fixing block (101).
2. The anti-slant and anti-overhead-impact device for cranes according to claim 1, characterized in that, The anti-tilt cylinder (103) is also equipped with a matching end cap (102).
3. The anti-oblique-pull and anti-overhead-impact device for cranes according to claim 1, characterized in that, The buffer seat (2) includes a cylinder (201), which includes a reservoir (202) for holding damping fluid; the cylinder (201) is connected to the bottom of the fixed block (101).
4. The anti-slant and anti-overhead-impact device for cranes according to claim 3, characterized in that, The buffer frame (3) includes: a buffer rod (301), one end of which is provided with a stop (302) for blocking the hook; The buffer rod (301) includes a support rod (3011), one end of which is provided with a piston (3012), and the head of the piston (3012) is provided with a conical protrusion (3013); the circumference of the piston (3012) is provided with a guide groove (3014); The piston (3012) is slidably connected to the reservoir (202).
5. A crane anti-slant and anti-overhead-slip device according to claim 4, characterized in that, The top of the liquid storage cavity (202) is tapered to match the protrusion (3013).
6. The anti-oblique-pull and anti-overhead-impact device for a crane according to claim 1, characterized in that, The concave base (106) has a permanent magnet at its center for attracting and connecting the ball (105).
7. A crane anti-slant and anti-overhead-impact device according to claim 1, characterized in that, The anti-tilt cylinder (103) is made of insulating material; the contact plate (104), the concave base (106), and the connecting ball (105) are all made of conductive material.