Low-temperature folding arm crane capable of improving bearing capacity

Abstract

The utility model discloses a low-temperature folding arm crane capable of improving bearing capacity, which relates to the technical field of folding arm cranes and comprises a support column, a bottom plate with the bottom fixed by screws, a large arm, an electric balancer and a small arm, and the electric balancer and the small arm are fixedly mounted on the left side surface of the large arm. A connecting ring is rotatably mounted at the top end of the bearing seat, a circular ring is fixed to the top end of the connecting ring, a screw hole is formed in the bottom plate, the bottom plate is fixedly connected with the ground through screws, a motor is mounted at the outer end of the large arm, the output end of the motor is fixedly connected with the bottom end of the small arm, and a limiting block is fixed to the right side face of the small arm. A hook is fixed to the outer end of the steel wire rope in the electric balancer, and a stabilizing assembly used for improving the bearing capacity is fixed to the outer side face of the circular ring. According to the low-temperature folding arm crane capable of improving the bearing capacity, the bearing capacity of the low-temperature folding arm crane is improved through the supporting inclined rod and the stabilizing assembly, and the stabilizing assembly can adapt to rotation of a large arm.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of folding arm crane, concretely to a low temperature folding arm crane improving bearing capacity. BACKGROUND

[0002] The low temperature folding arm crane is a folding arm crane specially designed for working in low temperature environment, which can work normally at extremely low temperature by using special materials and structural design. Its key components such as hydraulic system and electrical system are treated specially to ensure that no failure or performance degradation occurs in low temperature environment

[0003] A novel folding arm crane structure is disclosed in Chinese Utility Model Patent No. CN218879253U, which relates to hoisting equipment technology and specifically to a novel folding arm crane structure comprising a stand, a large arm and a small arm. The outer surface of the stand is provided with an annular groove, and the inner part of the annular groove is provided with an annular block. The outer surface of the annular block is provided with a support rod. The inner part of the stand is provided with a motor groove and a circular groove. The inner part of the motor groove is provided with a first servo motor. The novel folding arm crane structure has the effect of improving the stability of rotational adjustment. The annular block rotates in the annular groove, the support rod supports the large arm, the circular block rotates in the circular groove, and the stability of rotation is improved, thereby achieving the purpose of improving practicality.

[0004] In combination with the existing scheme and actual production and processing, the existing low temperature folding arm crane only improves the bearing capacity by supporting the inclined rod, which results in poor stability of the folding arm crane. Therefore, the low temperature folding arm crane improving bearing capacity is proposed to solve the above problems. UTILITY MODEL CONTENTS

[0005] The utility model aims to provide a low temperature folding arm crane improving bearing capacity to solve the problem of poor stability of the existing low temperature folding arm crane which only improves the bearing capacity by supporting the inclined rod.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a low temperature folding arm crane improving bearing capacity, comprising a support column, a bottom plate fixed at the bottom of the support column through a screw, a large arm, an electric balancer fixed and installed at the left side surface of the large arm, and a small arm.

[0007] The outer side surface of the support column is fixed with a receiving seat, and the top end of the receiving seat is rotatably installed with a connecting ring. The top end of the connecting ring is fixed with a circular ring. The inner part of the bottom plate is provided with a screw hole. The bottom plate is fixedly connected with the ground through a screw.

[0008] The outer end of the big arm is provided with a motor, the output end of the motor is fixedly connected with the bottom end of the small arm, the right side of the small arm is fixedly provided with a limiting block, and the outer end of the steel wire rope in the electric balance is fixedly provided with a hook.

[0009] The outer side of the circular ring is fixedly provided with a stabilizing assembly for improving the bearing capacity.

[0010] Preferably, a support inclined rod is fixed between the big arm and the circular ring.

[0011] Preferably, the stabilizing assembly comprises a manual telescopic rod, a connecting plate, a universal wheel and an antiskid sleeve, the outer side of the circular ring is provided with the manual telescopic rod, the bottom end of the manual telescopic rod is fixedly connected with the connecting plate, the bottom end of the connecting plate is connected with the universal wheel, and the outer side of the universal wheel is pasted with the antiskid sleeve.

[0012] Preferably, the manual telescopic rod is fixedly installed on the outer side of the circular ring at equal angles.

[0013] Preferably, the circular rod at the bottom end of the big arm is located in the groove of the support column.

[0014] Preferably, the vertical center line of the circular rod coincides with the vertical center line of the circular ring, and the inner wall of the circular ring is matched with the outer side of the support column.

[0015] Preferably, the small arm is rotatably installed on the outer end of the big arm.

[0016] Compared with the prior art, the low-temperature folding arm crane for improving the bearing capacity has the advantages that the support inclined rod and the stabilizing assembly are used to improve the bearing capacity of the low-temperature folding arm crane, and the stabilizing assembly can adapt to the rotation of the big arm.

[0017] 1. A support inclined rod is fixed between the big arm and the circular ring, the outer side of the circular ring is fixedly provided with a stabilizing assembly for improving the bearing capacity, the stabilizing assembly comprises a manual telescopic rod, a connecting plate, a universal wheel and an antiskid sleeve, and the support inclined rod and the stabilizing assembly are used to improve the bearing capacity of the low-temperature folding arm crane.

[0018] When the big arm rotates, the stabilizing assembly composed of the manual telescopic rod, the connecting plate, the universal wheel and the antiskid sleeve rotates with the circular ring and the big arm, so that the stabilizing assembly can adapt to the rotation of the big arm.

[0019] 3. The outer side of the universal wheel is pasted with the antiskid sleeve, when the universal wheel moves in the cold store at low temperature, the antiskid sleeve can increase the friction with the ground and improve the stability of the universal wheel. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is a structure schematic view of the first shaft side of the utility model;

[0021] Figure 2It is the second axle side structure schematic view of the utility model;

[0022] Figure 3 It is the small arm rotation state structure schematic view of the utility model;

[0023] Figure 4 It is the connecting ring and the bearing seat connecting structure schematic view of the utility model;

[0024] Figure 5 It is the support column horizontal section structure schematic view of the utility model;

[0025] Figure 6 It is the support column vertical section structure schematic view of the utility model.

[0026] In the drawing: 1, support column;2, bottom plate;3, bearing seat;4, connecting ring;5, circular ring;6, electric balancer;7, antiskid sleeve;8, large arm;9, motor;10, small arm;11, limiting block;12, hook;13, manual telescopic rod;14, connecting plate;15, universal wheel;16, round rod. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0028] Embodiment one: please refer to Figures 1-6 The existing low-temperature folding arm crane only improves the carrying capacity through the support inclined rod, so that the stability of the folding arm crane is poor. In order to solve this technical problem, the embodiment discloses the following technical content.

[0029] A low-temperature folding arm crane for improving carrying capacity, comprising a support column 1 and a bottom plate 2 fixed at the bottom thereof through screws, a large arm 8 and a small arm 10 fixedly installed at the left side surface of the large arm 8, screw holes are formed in the inside of the bottom plate 2, the bottom plate 2 is fixedly connected with the ground through screws, and the device is fixed on the ground through screws during installation.

[0030] A bearing seat 3 is fixed to the outer side surface of the support column 1, a connecting ring 4 is rotatably installed at the top end of the bearing seat 3, a circular ring 5 is fixed to the top end of the connecting ring 4, a support inclined rod is fixed between the large arm 8 and the circular ring 5, a round rod 16 at the bottom end of the large arm 8 is located in the groove of the support column 1, the vertical center line of the round rod 16 coincides with the vertical center line of the circular ring 5, and the inner wall of the circular ring 5 is in close contact with the outer side surface of the support column 1.

[0031] The outer side of the circular ring 5 is fixed with a stabilizing assembly for improving the carrying capacity, the stabilizing assembly comprises a manual telescopic rod 13, a connecting plate 14 and a universal wheel 15, the manual telescopic rod 13 is installed on the outer side of the circular ring 5, the bottom end of the manual telescopic rod 13 is fixedly connected with the connecting plate 14, and the bottom end of the connecting plate 14 is connected with the universal wheel 15, the manual telescopic rod 13 is fixedly installed at equal angles on the outer side of the circular ring 5, and the manual telescopic rod 13 is obliquely installed on the outer side of the circular ring 5; the manual telescopic rod 13, the connecting plate 14 and the universal wheel 15 are cooperated to support the inclined rod, so that the carrying capacity of the folding arm crane is improved.

[0032] When the large arm 8 and the circular rod 16 rotate, the circular ring 5 rotates, the connecting ring 4 rotates on the receiving seat 3, and the stabilizing assembly fixed on the outer side of the circular ring 5 rotates with the large arm 8, so that the universal wheel 15 rotates around the supporting column 1, and the stabilizing assembly can adapt to the rotation of the large arm 8.

[0033] The motor 9 can drive the small arm 10 to rotate, so as to control the positions of the small arm 10, the limiting block 11, the hook 12 and the hoisted object.

[0034] The outer side of the universal wheel 15 is attached with an anti-skid sleeve 7, the anti-skid sleeve 7 is arranged to make the large arm 8 rotate, and when the universal wheel 15 rotates with the large arm 8, the universal wheel 15 is more stable in support.

[0035] The above completes a series of operations of the low-temperature folding arm crane for improving the carrying capacity, and the contents not described in detail in the description belong to the prior art known to those skilled in the art.

[0036] The standard parts used in the utility model can be purchased from the market, the special-shaped parts can be ordered according to the description and the drawings, the specific connection mode of each part adopts the conventional means such as bolts, rivets and welding in the prior art, the machinery, parts and equipment adopt conventional models in the prior art, and the circuit connection adopts the conventional connection mode in the prior art, which will not be described in detail here.

[0037] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacement to part of the technical features, and any modification, equivalent replacement, improvement and the like made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A low-temperature folding arm crane with improved load bearing capacity, comprising a support column (1), a base plate (2) fixed to the bottom of the support column (1) by screws, a large arm (8) and a small arm (10) fixed to the left side of the large arm (8), characterized in that: a receiving seat (3) is fixed to the outer side of the support column (1), and a connecting ring (4) is rotatably installed at the top end of the receiving seat (3), a circular ring (5) is fixed to the top end of the connecting ring (4), and a screw hole is formed in the inner part of the base plate (2), and the base plate (2) is fixedly connected to the ground by screws; a motor (9) is installed at the outer end of the large arm (8), the output end of the motor (9) is fixedly connected to the bottom end of the small arm (10), a limiting block (11) is fixed to the right side of the small arm (10), and a hook (12) is fixed to the outer end of a steel wire rope in the electric balance (6); a stabilizing assembly for improving load bearing capacity is fixed to the outer side of the circular ring (5).

2. The low-temperature folding boom crane of claim 1, wherein: A support inclined rod is fixed between the large arm (8) and the circular ring (5).

3. The low-temperature folding boom of claim 1, wherein: The stabilizing assembly comprises a manual telescopic rod (13), a connecting plate (14), a universal wheel (15) and an anti-skid sleeve (7), the manual telescopic rod (13) is installed on the outer side of the circular ring (5), the bottom end of the manual telescopic rod (13) is fixedly connected to the connecting plate (14), the bottom end of the connecting plate (14) is connected to the universal wheel (15), and the outer side of the universal wheel (15) is connected to the anti-skid sleeve (7).

4. The low-temperature folding boom of claim 3, wherein: The manual telescopic rod (13) is fixedly installed on the outer side of the circular ring (5) at equal angles.

5. The low-temperature folding boom of claim 1, wherein: A circular rod (16) at the bottom end of the large arm (8) is located in a groove of the support column (1).

6. The low-temperature folding boom of claim 5, wherein: The vertical center line of the circular rod (16) coincides with the vertical center line of the circular ring (5), and the inner wall of the circular ring (5) is in close contact with the outer side of the support column (1).

7. The low-temperature folding arm crane with improved load bearing capacity according to claim 1, characterized in that: the small arm (10) is rotatably installed at the outer end of the large arm (8).

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