Anchoring device for a gantry crane

By combining the upper and lower anchoring frames with anchoring pins, the problem of unstable crane fixation and inability to be manually operated in the existing technology is solved, realizing the stable fixation and flexible movement of the crane, and improving safety and ease of operation.

CN223606923UActive Publication Date: 2025-11-28BENXI IRON & STEEL GROUP CRANE WORKS
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Patent Information

Application Number
CN202423060055.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-12
Publication Date
2025-11-28
Estimated Expiration
2034-12-12

AI Technical Summary

Technical Problem

The existing anchoring devices of gantry cranes have problems such as insecure fixing and inability to be manually operated, especially in that they cannot be locked after a power outage, which affects the stability and safety of the crane.

Method used

The design combines an upper and lower anchoring frame with anchoring pins. The anchoring pins can be automatically and manually pulled out via an electric motor and manual operation, ensuring the crane is firmly fixed and can be moved. Rubber pads and screw structures are used to enhance friction.

Benefits of technology

It enables the crane to be securely fixed and flexibly moved, improving the safety and reliability of the crane in various environments, especially under conditions of strong winds or open-air operation, enhancing the stability and ease of operation of the anchoring device.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a door type crane's anchoring device, including upper anchoring frame and lower anchoring frame, the inside insertion of upper anchoring frame and lower anchoring frame is equipped with anchoring bolt, upper anchoring frame includes upper installation frame, primary through -hole, primary sponge pad, primary rubber pad, gear chamber, bearing, gear, carousel and electric motor, lower anchoring frame includes lower installation frame, second through -hole, second sponge pad, second rubber pad, threaded hole, recess hole, primary screw rod, second screw rod, rubber bush and spacing bolt, the utility model discloses a door type crane's anchoring device can firmly fix the lower end of door type crane through upper anchoring frame and lower anchoring frame cooperation anchoring bolt, and can automatically and manually draw out the anchoring bolt in lower anchoring frame, wherein upper anchoring frame can manually and automatically rise and drop anchoring bolt, and lower anchoring frame can fix the lower end of anchoring bolt and lock, and anchoring bolt is responsible for bolt fixation.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a crane technical field, in particular to an anchoring device of portal crane. BACKGROUND

[0002] The anchoring device of portal crane is an important safety component of crane, is used for ensuring the stability of crane when operating or parking, it usually includes a series of mechanical structures for fixing the crane on the ground, prevents its movement or overturning, this device is very important for guaranteeing the safe operation of crane, especially in open operation or windy environment, such as port terminal, crane structure is huge, the wind area is big, is easily affected by wind and produces the risk of sliding or overturning, through anchoring device, can effectively connect crane and ground, improve its stability, ensure the operation safety.

[0003] The anchoring device usually includes device body, its inside is equipped with mainframe, protective cover and other components.The lower end of mainframe is equipped with lower cross bar, and lower cross bar is equipped with movable wheel and hydraulic rod, movable plate, spring and brake disc structure for friction locking, movable plate and spring are driven through hydraulic rod, make brake disc and movable wheel produce friction, thereby realize the locking operation of movable wheel, reach the purpose of fast anchoring and locking crane;The portal crane in the prior art is locked by movable wheel through the friction of brake disc, this mode has several problems, one is that the lower end of fixed portal crane is not firm enough, only through friction to increase the rotation difficulty of movable wheel;Two is that it cannot be operated manually, after power failure, hydraulic rod cannot drive movable plate and spring. UTILITY MODEL CONTENTS

[0004] The main purpose of the utility model is to provide an anchoring device of portal crane, which can effectively solve the problems in the background art.

[0005] To achieve the above-mentioned purpose, the technical scheme adopted by the utility model is as follows:

[0006] An anchoring device of portal crane, comprising an upper anchoring frame and a lower anchoring frame, an anchoring bolt is inserted in the inside of the upper anchoring frame and the lower anchoring frame, the upper anchoring frame comprises an upper mounting frame, a first through hole, a first sponge pad, a first rubber pad, a gear cavity, a bearing, a gear, a rotating disc and an electric motor, the lower anchoring frame comprises a lower mounting frame, a second through hole, a second sponge pad, a second rubber pad, a threaded through hole, a groove hole, a first screw rod, a second screw rod, a rubber sleeve and a limiting bolt, the anchoring bolt comprises a bolt body, a clamping groove and a limiting through hole.

[0007] Preferably, the first through hole is arranged on the front surface of the upper mounting frame near the four corners, the first sponge pad is fixedly installed on the rear surface of the upper mounting frame, and the first rubber pad is fixedly installed on the rear surface of the first sponge pad.

[0008] Preferably, the gear cavity is arranged in the middle of the upper mounting frame, the gear cavity is arranged in two, the bearing is fixedly installed in the circular groove in the gear cavity, the gear is arranged in the gear cavity, and the two ends of the gear shaft are fixedly installed in the bearing.

[0009] Preferably, the gear is arranged in two, the front end of the rotating disc and the front end of the motor transmission shaft are fixedly connected with the front end of the gear, and the motor is fixedly installed on the front surface of the upper mounting frame.

[0010] Preferably, the second through hole is arranged on the front surface of the lower mounting frame close to the four corners, the second sponge pad is fixedly installed on the rear surface of the lower mounting frame, and the second rubber pad is fixedly installed on the rear surface of the second sponge pad.

[0011] Preferably, the threaded through hole is arranged on the front surface of the lower mounting frame, the groove hole is arranged in the lower mounting frame and corresponds to the threaded through hole, the threaded through hole is arranged in two, the threaded through holes are uniformly distributed on the front surface of the lower mounting frame, the first screw rod and the second screw rod are arranged in the threaded through hole, the rubber sleeves are arranged in two, the rubber sleeves are fixedly installed in the short barrels at the front ends of the first screw rod and the second screw rod respectively, the limit bolt is inserted into the rubber sleeve, the rear ends of the first screw rod and the second screw rod are inserted into the groove hole, and the inner side of the rubber sleeve is provided with an annular groove.

[0012] Preferably, the bolt body is inserted into the upper mounting frame and the lower mounting frame, the clamping groove is arranged on the side surface of the bolt body, the limiting through hole is arranged on the front surface of the bolt body close to the lower end, the clamping grooves are arranged in a plurality of, the clamping grooves are uniformly distributed on the side surface of the bolt body, the clamping teeth of the gear are clamped into the clamping groove, and the first screw rod and the second screw rod pass through the inside of the limiting through hole.

[0013] The upper anchoring frame, the lower anchoring frame and the anchoring bolt are arranged, the upper anchoring frame and the lower anchoring frame cooperate with the anchoring bolt to firmly fix the lower end of the portal crane, and the anchoring bolt in the lower anchoring frame can be automatically and manually drawn out, the upper anchoring frame can manually and automatically rise and lower the anchoring bolt, the lower anchoring frame can fixedly lock the lower end of the anchoring bolt, and the anchoring bolt is responsible for the fixing of the bolt. ACCOUT OF DRAWINGS

[0014] Figure 1 It is a whole structure schematic view of the anchoring device of the portal crane.

[0015] Figure 2 It is an upper anchoring frame structure exploded view of the anchoring device of the portal crane. It is an upper anchoring frame structure exploded view of the anchoring device of the portal crane.

[0016] Figure 3 It is the exploded schematic view of the lower anchoring frame structure of the anchoring device of the portal crane of the utility model;

[0017] Figure 4 It is the anchoring bolt structure schematic view of the anchoring device of the portal crane of the utility model;

[0018] Figure 5 It is the anchoring device of the portal crane of the utility model; Figure 1 It is the enlarged schematic view of A part in the middle;

[0019] Figure 6 It is the anchoring device of the portal crane of the utility model; Figure 1 It is the enlarged schematic view of B part in the middle.

[0020] In the drawing: 1, upper anchoring frame; 101, upper mounting frame; 102, No. 1 through hole; 103, No. 1 sponge pad; 104, No. 1 rubber pad; 105, gear cavity; 106, bearing; 107, gear; 108, turntable; 109, electric motor; 2, lower anchoring frame; 201, lower mounting frame; 202, No. 2 through hole; 203, No. 2 sponge pad; 204, No. 2 rubber pad; 205, threaded through hole; 206, recess hole; 207, No. 1 screw rod; 208, No. 2 screw rod; 209, rubber sleeve; 210, limit bolt; 3, anchoring bolt; 301, bolt main body; 302, clamping groove; 303, limit through hole. DETAILED DESCRIPTION

[0021] In order to make the technical means, creation features, purposes and effects realized by the utility model easy to understand, the utility model is further described below in combination with specific embodiments.

[0022] For example, Figures 1-6As shown, an anchoring device of a gantry crane includes an upper anchoring frame 1 and a lower anchoring frame 2, an anchoring bolt 3 is inserted into the upper anchoring frame 1 and the lower anchoring frame 2, the upper anchoring frame 1 includes an upper mounting frame 101, a first through hole 102, a first sponge pad 103, a first rubber pad 104, a gear cavity 105, a bearing 106, a gear 107, a rotating disc 108 and an electric motor 109, the lower anchoring frame 2 includes a lower mounting frame 201, a second through hole 202, a second sponge pad 203, a second rubber pad 204, a threaded through hole 205, a recess hole 206, a first screw rod 207, a second screw rod 208, a rubber sleeve 209 and a limiting bolt 210, the anchoring bolt 3 includes a bolt body 301, a clamping groove 302 and a limiting through hole 303, the upper anchoring frame 1 and the lower anchoring frame 2 cooperate with the anchoring bolt 3 to firmly fix the lower end of the gantry crane, and the anchoring bolt 3 in the lower anchoring frame 2 can be automatically and manually extracted, wherein the upper anchoring frame 1 can manually and automatically rise and fall the anchoring bolt 3, the lower anchoring frame 2 can fix and lock the lower end of the anchoring bolt 3, and the anchoring bolt 3 is responsible for bolt fixing.

[0023] In this embodiment, the first through hole 102 is arranged on the front surface of the upper mounting frame 101 near the four corners, the first sponge pad 103 is fixedly installed on the rear surface of the upper mounting frame 101, the first rubber pad 104 is fixedly installed on the rear surface of the first sponge pad 103, the upper mounting frame 101 can be installed on the gantry crane by passing a bolt through the first through hole 102, the first sponge pad 103 makes the first rubber pad 104 more closely adhere to the surface of the gantry crane, and the first rubber pad 104 plays a role of anti-skid.

[0024] In this embodiment, the gear cavity 105 is arranged in the middle of the inside of the upper mounting frame 101, the number of the gear cavity 105 is two, the bearing 106 is fixedly installed in the circular recess inside the gear cavity 105, the gear 107 is arranged inside the gear cavity 105, and the two ends of the rotating shaft of the gear 107 are fixedly installed inside the bearing 106.

[0025] In this embodiment, the number of the gear 107 is two, the front end of the rotating shaft of the rotating disc 108 and the electric motor 109 is fixedly connected with the front end of the gear 107, and the electric motor 109 is fixedly installed on the front surface of the upper mounting frame 101.

[0026] In this embodiment, the second through hole 202 is arranged on the front surface of the lower mounting frame 201 near the four corners, the second sponge pad 203 is fixedly installed on the rear surface of the lower mounting frame 201, the second rubber pad 204 is fixedly installed on the rear surface of the second sponge pad 203, the lower mounting frame 201 can be installed on the anchoring position of the work site by passing a bolt through the second through hole 202, the second sponge pad 203 makes the second rubber pad 204 more closely adhere to the anchoring position, and the second rubber pad 204 plays a role of anti-skid.

[0027] In the embodiment, the threaded through hole 205 is arranged on the front surface of the lower mounting frame 201, the groove hole 206 is arranged inside the lower mounting frame 201 and corresponds to the position of the threaded through hole 205, the number of threaded through holes 205 is two, the threaded through holes 205 are uniformly distributed on the front surface of the lower mounting frame 201, the first screw rod 207 and the second screw rod 208 are arranged inside the threaded through hole 205, the number of rubber sleeves 209 is two, the rubber sleeves 209 are respectively fixedly installed in the short barrels at the front ends of the first screw rod 207 and the second screw rod 208, the limiting bolt 210 is inserted into the inside of the rubber sleeve 209, the rear ends of the first screw rod 207 and the second screw rod 208 are inserted into the inside of the groove hole 206, the inside of the rubber sleeve 209 is arranged with an annular groove, when the gantry crane needs to be moved, the lower end of the limiting bolt 210 is first pulled out from the short barrel at the front end of the second screw rod 208, the first screw rod 207 is rotated through the limiting bolt 210, the rear end of the first screw rod 207 is pulled out from the limiting through hole 303, then the limiting bolt 210 is pulled out from the short barrel at the front end of the first screw rod 207, the lower end of the limiting bolt 210 is reinserted into the short barrel of the second screw rod 208, and the limiting bolt 210 is pulled out from the limiting through hole 303. When there is electricity, the electric motor 109 drives the gear 107 to rotate, the gear 107 drives the bolt body 301 to rise through the clamping groove 302 until the bolt body 301 is pulled out from the inside of the lower mounting frame 201, when there is no electricity, the rotary disc 108 can be manually rotated to drive the gear 107 to complete the above operation, and the gantry crane is anchored and can be moved.

[0028] In the embodiment, the bolt body 301 is inserted into the inside of the upper mounting frame 101 and the lower mounting frame 201, the clamping groove 302 is arranged on the side surface of the bolt body 301, the limiting through hole 303 is arranged on the front surface of the bolt body 301 close to the lower end, the number of clamping grooves 302 is several, the clamping grooves 302 are uniformly distributed on the side surface of the bolt body 301, the clamping teeth of the gear 107 are clamped into the clamping groove 302, the first screw rod 207 and the second screw rod 208 pass through the inside of the limiting through hole 303, when the gantry crane is re-fixed, the lower end of the bolt body 301 is first raised into the upper mounting frame 101, when the bolt body 301 reaches directly above the lower mounting frame 201, the bolt body 301 is loosened and inserted into the inside of the lower mounting frame 201, the first screw rod 207 and the second screw rod 208 are re-rotated through the limiting bolt 210, the first screw rod 207 and the second screw rod 208 pass through the limiting through hole 303 and are inserted into the inside of the groove hole 206, the lower end of the limiting bolt 210 is reinserted into the short barrels of the first screw rod 207 and the second screw rod 208, the rubber sleeve 209 plays a role of anti-skid, the annular groove in the rubber sleeve 209 plays a role of increasing friction, and the limiting bolt 210 can also prevent the first screw rod 207 and the second screw rod 208 from slipping out of the threaded through hole 205.

[0029] The protection scope of the utility model is not limited to the above embodiments and transformations. The routine modification and replacement of the skilled in the art based on the content of the embodiments all belong to the protection scope of the utility model.

Claims

1. An anchoring device for a portal crane, characterized in that: The utility model provides an anchor frame, including upper anchor frame (1) with lower anchor frame (2), the inside insertion of upper anchor frame (1) with lower anchor frame (2) is equipped with anchor bolt (3), upper anchor frame (1) includes upper installation frame (101), one through -hole (102), one sponge pad (103), one rubber pad (104), gear cavity (105), bearing (106), gear (107), carousel (108) and electric motor (109), lower anchor frame (2) includes lower installation frame (201), two through -holes (202), two sponge pads (203), two rubber pads (204), threaded through -hole (205), recess hole (206), one screw rod (207), two screw rods (208), rubber bushing (209) and spacing bolt (210), anchor bolt (3) includes bolt body (301), clamping groove (302) and spacing through -hole (303).

2. An anchoring device for a portal crane according to claim 1, characterized in that The one through -hole (102) is opened in the position near the four corners of the front surface of the upper installation frame (101), the one sponge pad (103) is fixedly installed on the rear surface of the upper installation frame (101), and the one rubber pad (104) is fixedly installed on the rear surface of the one sponge pad (103).

3. A portal crane anchoring arrangement according to claim 2, characterised in that: The gear cavity (105) is arranged in the middle position of the inside of the upper installation frame (101), the gear cavity (105) is provided with two, the bearing (106) is fixedly installed in the circular recess of the inside of the gear cavity (105), the gear (107) is arranged in the inside of the gear cavity (105), and the both ends of the rotating shaft of the gear (107) are fixedly installed in the inside of the bearing (106).

4. A portal crane anchoring arrangement according to claim 3, characterised in that: The gear (107) is provided with two, the rotating shaft front end of the carousel (108) and electric motor (109) is fixedly connected with the front end of the gear (107), and the electric motor (109) is fixedly installed on the front surface of the upper installation frame (101).

5. A portal crane anchoring arrangement according to claim 4, characterised in that: The two through -holes (202) are opened in the position near the four corners of the front surface of the lower installation frame (201), the two sponge pads (203) are fixedly installed on the rear surface of the lower installation frame (201), and the two rubber pads (204) are fixedly installed on the rear surface of the two sponge pads (203).

6. A portal crane anchoring arrangement according to claim 5, characterised in that: The threaded through hole (205) is arranged on the front surface of the lower mounting frame (201), the groove hole (206) is arranged inside the lower mounting frame (201) and corresponds to the position of the threaded through hole (205), the number of the threaded through hole (205) is two, the threaded through hole (205) is uniformly distributed on the front surface of the lower mounting frame (201), the first screw rod (207) and the second screw rod (208) are arranged inside the threaded through hole (205), the number of the rubber sleeve (209) is two, the rubber sleeve (209) is fixedly installed in the short cylinder at the front end of the first screw rod (207) and the second screw rod (208) respectively, the limiting bolt (210) is inserted into the inside of the rubber sleeve (209), the rear end of the first screw rod (207) and the second screw rod (208) is inserted into the inside of the groove hole (206), the inside of the rubber sleeve (209) is provided with an annular groove, and the thread directions of the first screw rod (207) and the second screw rod (208) are different.

7. A portal crane anchoring arrangement according to claim 6, characterised in that: The bolt body (301) is inserted into the inside of the upper mounting frame (101) and the lower mounting frame (201), the clamping groove (302) is arranged on the side surface of the bolt body (301), the limiting through hole (303) is arranged on the front surface of the bolt body (301) close to the lower end, the number of the clamping groove (302) is several, the clamping grooves (302) are uniformly distributed on the side surface of the bolt body (301), the clamping teeth of the gear (107) are clamped into the clamping groove (302), and the first screw rod (207) and the second screw rod (208) pass through the inside of the limiting through hole (303).