Electric hoist single and double beam crane end beam

Abstract

The application discloses a single-beam or double-beam electric hoist end beam, which comprises a power mechanism and further comprises a fixed square beam, a first fixed plate is fixedly connected to the front face of the fixed square beam, a second fixed plate is fixedly connected to the front face of the first fixed plate, a first servo motor is fixedly connected to the top of the second fixed plate, the output shaft of the first servo motor is in transmission connection with a rotating shaft, a third fixed plate is fixedly connected to the bottom of the fixed square beam, a first U-shaped fixed plate is fixedly connected to the bottom of the third fixed plate, a first movable wheel is movably sleeved on the inner side of the first U-shaped fixed plate, gravity distribution assemblies are movably sleeved on the two sides of the fixed square beam, the gravity distribution assemblies comprise a square beam sleeve pipe, the end beam can change the transverse length of the end beam through the change of gravity, the pressure intensity borne in the unit distance of the track is reduced, and the service life of the equipment is prolonged.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of hoisting equipment, more particularly to a single / double-beam electric hoist end beam. BACKGROUND

[0002] The end beam of the crane is used to fix the cross beam and can effectively distribute the gravity of the cross beam and move the lifted object.

[0003] The deficiencies of the existing crane end beam are as follows:

[0004] Firstly, the length of the existing crane end beam is fixed, and the pressure borne by the end beam cannot be effectively distributed when lifting objects with different weights during use, which reduces the service life of the track.

[0005] Secondly, the existing crane end beam is connected to the cross beam only by bolts, and the falling of the bolts can cause serious safety accidents. SUMMARY

[0006] In order to overcome the above-mentioned defects of the prior art, the present application provides a single / double-beam electric hoist end beam to solve the problems in the background art.

[0007] The present application provides the following technical scheme: a single / double-beam electric hoist end beam, comprising a power mechanism, further comprising:

[0008] a gravity distribution assembly movably sleeved on both sides of the power mechanism;

[0009] a spring rod assembly fixedly connected to the top of the power mechanism;

[0010] an angle adjusting mechanism fixedly connected to the front and back of the gravity distribution assembly;

[0011] a hydraulic fixing mechanism fixedly connected to the bottom of the angle adjusting mechanism.

[0012] Further, the power mechanism comprises a fixed square beam, the front surface of the fixed square beam is fixedly connected with a first fixed plate, the front surface of the first fixed plate is fixedly connected with a second fixed plate, the top of the second fixed plate is fixedly connected with a first servo motor, the output shaft of the first servo motor is in transmission connection with a rotating shaft, the bottom of the fixed square beam is fixedly connected with a third fixed plate, the bottom of the third fixed plate is fixedly connected with a first U-shaped fixed plate, the inner side of the first U-shaped fixed plate is movably sleeved with a first movable wheel, the two sides of the fixed square beam are movably sleeved with gravity distribution assemblies, the gravity distribution assembly comprises a square beam sleeve pipe, the bottom of the square beam sleeve pipe is fixedly connected with a second U-shaped fixed plate, the inner side of the second U-shaped fixed plate is movably sleeved with a second movable wheel, the top of the fixed square beam is fixedly connected with a spring rod assembly, the spring rod assembly comprises a first sleeve pipe, the inner side of the first sleeve pipe is fixedly connected with a first spring, the top of the first spring is fixedly connected with a first limiting plate, the top of the first limiting plate is fixedly connected with a second sleeve pipe, the inner side of the second sleeve pipe is fixedly connected with a second spring, the top of the second spring is fixedly connected with a second limiting plate, the top of the second limiting plate is fixedly connected with a top column, the front surface of the square beam sleeve pipe is fixedly connected with an angle adjusting mechanism, the angle adjusting mechanism comprises a first adjusting plate, the front surface of the first adjusting plate is movably sleeved with an angle adjusting shaft, the outer side of the angle adjusting shaft is movably sleeved with a second adjusting plate, the back surface of the first adjusting plate is mounted with a cross beam fixing block, when the device lifts a hoisting object, the downward pressure of the cross beam fixing block becomes larger due to the increase of gravity, then the cross beam fixing block descends to further drive the spring rod assembly to contract, the included angle between the first adjusting plate and the second adjusting plate becomes smaller, then the gravity distribution assembly moves away from both sides, the span between the two gravity distribution assemblies becomes larger, then the first servo motor works to drive the rotating shaft to rotate, further drives the first movable wheel to rotate, and then drives the end beam to move.

[0013] Further, the bottom of the cross beam fixing block is fixedly connected with a hydraulic fixing mechanism, the hydraulic fixing mechanism comprises a hydraulic cylinder, the top of the hydraulic cylinder is fixedly connected with a hydraulic rod, the top of the hydraulic rod is fixedly connected with a fourth fixed plate, the top of the fourth fixed plate is fixedly connected with a third U-shaped fixed plate, the inner side of the third U-shaped fixed plate is fixedly connected with a third limiting plate, after the cross beam is installed on the top of the cross beam fixing block, the hydraulic rod is driven to contract by the hydraulic cylinder, then the third U-shaped fixed plate descends to fix the cross beam.

[0014] Further, the first movable wheel on the front surface of one side of the bottom of the fixed square beam is in transmission connection with the first servo motor, the two first movable wheels on one side of the bottom of the fixed square beam are fixedly connected through a connecting shaft, the power mechanism of the end beam is ensured, and the end beam can effectively move.

[0015] Further, the bottom end of the inner side of the second moving wheel is in the same plane as the bottom end of the inner side of the first moving wheel, the size of the first moving wheel and the second moving wheel is the same, so that the second moving wheel and the first moving wheel can support the end beam at the same time.

[0016] Further, the diameter of the first limiting plate is the same as the diameter of the inner side of the first sleeve, and the diameter of the second limiting plate is the same as the diameter of the inner side of the second sleeve, so that the spring rod assembly can effectively shrink.

[0017] Further, the back surface of the first adjusting plate is provided with a first rotating groove, the front surface of the second adjusting plate is provided with a second rotating groove, the thickness of the first adjusting plate and the second adjusting plate is the same, the depth of the first rotating groove of the first adjusting plate and the depth of the second rotating groove of the second adjusting plate is the same, and the depth of the first rotating groove of the first adjusting plate and the depth of the second rotating groove of the second adjusting plate is the same, and the back surface of the first adjusting plate is not fixedly connected with the cross beam fixing block, so that the first adjusting plate and the second adjusting plate can be cooperated with each other, and the angle of the first adjusting plate and the second adjusting plate can be freely adjusted.

[0018] The technical effects and advantages of the present application are as follows:

[0019] 1. When the device lifts the hoisting object, the downward pressure of the cross beam fixing block becomes larger due to the increase of gravity, and then the cross beam fixing block is lowered to further drive the spring rod assembly to shrink, so that the included angle between the first adjusting plate and the second adjusting plate becomes smaller, and then the gravity distribution assembly moves away from both sides, so that the span between the two gravity distribution assemblies becomes larger, and then the first servo motor works to drive the rotating shaft to rotate, and further drives the first moving wheel to rotate, and then drives the end beam to move, which is beneficial to the end beam to change the cross length by changing the gravity, so that the pressure intensity in the unit distance of the track is reduced, and the service life of the device is increased.

[0020] 2. After the cross beam is installed on the top of the cross beam fixing block, the hydraulic cylinder works to drive the hydraulic rod to shrink, and then drives the third U-shaped fixing plate to descend to fix the cross beam, which is beneficial to fix the cross beam, and can further fix the cross beam after the bolt is fixed, so as to avoid the safety accidents caused by the falling of the cross beam. DRAWINGS

[0021] Figure 1 It is the overall structure schematic diagram of the present application.

[0022] Figure 2 It is the power mechanism structure schematic diagram of the present application.

[0023] Figure 3 It is the gravity distribution assembly structure schematic diagram of the present application.

[0024] Figure 4Structure schematic diagram of spring rod assembly of the present application.

[0025] Figure 5 Structure schematic diagram of angle adjusting mechanism of the present application.

[0026] Figure 6 Structure schematic diagram of hydraulic fixing mechanism of the present application.

[0027] The figure marks are: 1, power mechanism; 101, fixed square beam; 102, first fixed plate; 103, second fixed plate; 104, first servo motor; 105, rotating shaft; 106, third fixed plate; 107, first U-shaped fixed plate; 108, first moving wheel; 2, gravity sharing assembly; 201, square beam sleeve; 202, second U-shaped fixed plate; 203, second moving wheel; 3, spring rod assembly; 301, first sleeve; 302, first spring; 303, first limiting plate; 304, second sleeve; 305, second spring; 306, second limiting plate; 307, top column; 4, angle adjusting mechanism; 401, first adjusting plate; 402, second adjusting plate; 403, angle adjusting shaft; 404, cross beam fixing block; 5, hydraulic fixing mechanism; 501, hydraulic cylinder; 502, hydraulic rod; 503, fourth fixed plate; 504, third U-shaped fixed plate; 505, third limiting plate. DETAILED DESCRIPTION

[0028] The technical solutions in the present application will be described clearly and completely below in combination with the drawings in the present application, and in addition, the forms of each structure described in the following embodiments are only examples, and the electric hoist single-beam and double-beam crane end beam involved in the present application is not limited to each structure described in the following embodiments, and all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the present application.

[0029] Referring to Figure 1 , the present application provides an electric hoist single-beam and double-beam crane end beam, which comprises a power mechanism 1 and further comprises:

[0030] The gravity sharing assembly 2 is movably sleeved on both sides of the power mechanism 1.

[0031] The spring rod assembly 3 is fixedly connected to the top of the power mechanism 1.

[0032] The angle adjusting mechanism 4 is fixedly connected to the front and back surfaces of the gravity sharing assembly 2.

[0033] The hydraulic fixing mechanism 5 is fixedly connected to the bottom of the angle adjusting mechanism 4.

[0034] Referring to Figures 2-5The utility model relates to a power mechanism 1, power mechanism 1 includes fixed square beam 101, the front surface fixed connection of fixed square beam 101 has first fixed plate 102, the front surface fixed connection of first fixed plate 102 has second fixed plate 103, the top fixed connection of second fixed plate 103 has first servo motor 104, the output shaft of first servo motor 104 is connected with rotation axis 105 transmission, the bottom fixed connection of fixed square beam 101 has third fixed plate 106, the bottom fixed connection of third fixed plate 106 has first U type fixed plate 107, the inside movable sleeve of first U type fixed plate 107 has first mobile wheel 108, the both sides of fixed square beam 101 are movably sleeved with gravity sharing subassembly 2, gravity sharing subassembly 2 includes square beam sleeve pipe 201, the bottom fixed connection of square beam sleeve pipe 201 has second U type fixed plate 202, the inside movable sleeve of second U type fixed plate 202 has second mobile wheel 203, the top fixed connection of fixed square beam 101 has spring rod subassembly 3, spring rod subassembly 3 includes first sleeve pipe 301, the inside fixed connection of first sleeve pipe 301 has first spring 302, the top fixed connection of first spring 302 has first limit plate 303, the top fixed connection of first limit plate 303 has second sleeve pipe 304, the inside fixed connection of second sleeve pipe 304 has second spring 305, the top fixed connection of second spring 305 has second limit plate 306, the top fixed connection of second limit plate 306 has top column 307, the front surface fixed connection of square beam sleeve pipe 201 has angle adjusting mechanism 4, angle adjusting mechanism 4 includes first adjusting plate 401, the front surface movable sleeve of first adjusting plate 401 has angle adjusting shaft 403, the outside movable sleeve of angle adjusting shaft 403 has second adjusting plate 402, the back of first adjusting plate 401 is installed with crossbeam fixed block 404, when the equipment hoists hoisting weight, because of the reason of gravity increase makes the down pressure of crossbeam fixed block 404 bigger, in turn makes crossbeam fixed block 404 drop further and drives spring rod subassembly 3 to shrink, make the included angle between first adjusting plate 401 and second adjusting plate 402 smaller, in turn make gravity sharing subassembly 2 move away to both sides, make the span between two gravity sharing subassemblies 2 bigger, then pass through first servo motor 104 work and drive rotation axis 105 rotation, further drive first mobile wheel 108 rotation, in turn drive end beam to move, be favorable to the end beam can change the cross length of end amount through the change of gravity, make the pressure intensity in the unit distance of track bear reduce, make the service life of equipment increase.

[0035] Referring to Figure 6The bottom of the cross beam fixing block 404 is fixedly connected with a hydraulic fixing mechanism 5, the hydraulic fixing mechanism 5 comprises a hydraulic cylinder 501, the top of the hydraulic cylinder 501 is fixedly connected with a hydraulic rod 502, the top of the hydraulic rod 502 is fixedly connected with a fourth fixed plate 503, the top of the fourth fixed plate 503 is fixedly connected with a third U-shaped fixed plate 504, the inner side of the third U-shaped fixed plate 504 is fixedly connected with a third limiting plate 505, after the cross beam is installed on the top of the cross beam fixing block 404, the hydraulic rod 502 is driven to shrink by the hydraulic cylinder 501, and then the third U-shaped fixed plate 504 is driven to descend to fix the cross beam, which is favorable for fixing the cross beam and can further fix the cross beam after bolt fixing, so that safety accidents caused by the cross beam falling off are avoided to the greatest extent.

[0036] With reference to Figure 2 The first movable wheel 108 on the bottom of the fixed square beam 101 is in transmission connection with the first servo motor 104, and the two first movable wheels 108 on the bottom of the fixed square beam 101 are fixedly connected through a connecting shaft, so that the power mechanism of the end beam is ensured, and the end beam can be effectively moved, thereby facilitating the movement of the equipment.

[0037] With reference to Figures 2-3 The bottom end of the second movable wheel 203 is on the same plane as the bottom end of the first movable wheel 108, and the first movable wheel 108 and the second movable wheel 203 are of the same size, so that the second movable wheel 203 and the first movable wheel 108 can simultaneously support the end beam, thereby facilitating the sharing of pressure, reducing the pressure intensity in the unit distance of the track, and increasing the service life of the equipment.

[0038] With reference to Figure 4 The diameter of the first limiting plate 303 is the same as the diameter of the inner side of the first sleeve 301, and the diameter of the second limiting plate 306 is the same as the diameter of the inner side of the second sleeve 304, so that the spring rod assembly 3 can be effectively shrunk, and the equipment can be effectively adjusted according to the pressure.

[0039] With reference to Figure 5 The back surface of the first adjusting plate 401 is provided with a first rotating groove, and the front surface of the second adjusting plate 402 is provided with a second rotating groove, the thickness of the first adjusting plate 401 and the second adjusting plate 402 is the same, the depth of the first rotating groove of the first adjusting plate 401 and the depth of the second rotating groove of the second adjusting plate 402 is the same and the sum of the depths is the same as the thickness of the first adjusting plate 401, the back surface of the first adjusting plate 401 is not fixedly connected with the cross beam fixing block 404, so that the first adjusting plate 401 and the second adjusting plate 402 are matched with each other and can be freely adjusted in angle, thereby facilitating the sharing of pressure, reducing the pressure intensity in the unit distance of the track, and increasing the service life of the equipment.

[0040] The working principle of the embodiment one of the present application is as follows: when the device hoists the hoisting object, the downward pressure of the cross beam fixing block 404 becomes larger due to the increase of gravity, then the cross beam fixing block 404 further descends to drive the spring rod assembly 3 to contract, the included angle between the first adjusting plate 401 and the second adjusting plate 402 becomes smaller, then the gravity distribution assembly 2 moves away from both sides, the span between the two gravity distribution assemblies 2 becomes larger, then the first servo motor 104 works to drive the rotating shaft 105 to rotate, further drives the first moving wheel 108 to rotate, then drives the end beam to move, after the cross beam is installed on the top of the cross beam fixing block 404, the hydraulic cylinder 501 works to drive the hydraulic rod 502 to contract, then drives the third U-shaped fixing plate 504 to descend to fix the cross beam.

[0041] Finally, it should be pointed out that: first, in the description of the present application, it should be pointed out that, unless otherwise specified and limited, the terms "mounting", "connecting", "connecting" should be understood broadly, which can be mechanical connection or electrical connection, or the communication between two elements, or direct connection, "up", "down", "left", "right" and the like are only used to represent the relative positional relationship, when the absolute position of the described object changes, the relative positional relationship may change;

[0042] Secondly: the drawings of the disclosed embodiments only involve the structures involved in the disclosed embodiments, other structures can refer to the usual design, and in the case of no conflict, the same embodiment and different embodiments of the present application can be combined with each other;

[0043] Finally: the above only describes the preferred embodiments of the present application, and is not used to limit the present application, any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application should be included in the protection scope of the present application.

Claims

1. An electric hoist single / double beam bridge crane end beam, comprising a power mechanism (1), characterized in that, Also includes: Gravity sharing assembly (2): the two sides of the power mechanism (1) movable sleeve with gravity sharing assembly (2); Spring rod assembly (3): the top of the power mechanism (1) is fixedly connected with spring rod assembly (3); Angle adjusting mechanism (4): the front of the gravity sharing assembly (2) is installed with angle adjusting mechanism (4); Hydraulic fixing mechanism (5): the bottom of the cross beam fixed block (404) of angle adjusting mechanism (4) is fixedly connected with hydraulic fixing mechanism (5); The power mechanism (1) includes a fixed square beam (101), the front surface of the fixed square beam (101) is fixedly connected with a first fixed plate (102), the front surface of the first fixed plate (102) is fixedly connected with a second fixed plate (103), the top of the second fixed plate (103) is fixedly connected with a first servo motor (104), the output shaft of the first servo motor (104) is in transmission connection with a rotating shaft (105), the bottom of the fixed square beam (101) is fixedly connected with a third fixed plate (106), the bottom of the third fixed plate (106) is fixedly connected with a first U-shaped fixed plate (107), the inner side of the first U-shaped fixed plate (107) is movably sleeved with a first moving wheel (108), the two sides of the fixed square beam (101) are movably sleeved with a gravity sharing assembly (2), the gravity sharing assembly (2) includes a square beam sleeve (201), the bottom of the square beam sleeve (201) is fixedly connected with a second U-shaped fixed plate (202), the inner side of the second U-shaped fixed plate (202) is movably sleeved with a second moving wheel (203), the top of the fixed square beam (101) is fixedly connected with a spring rod assembly (3), the spring rod assembly (3) includes a first sleeve (301), the inner side of the first sleeve (301) is fixedly connected with a first spring (302), the top of the first spring (302) is fixedly connected with a first limiting plate (303), the top of the first limiting plate (303) is fixedly connected with a second sleeve (304), the inner side of the second sleeve (304) is fixedly connected with a second spring (305), the top of the second spring (305) is fixedly connected with a second limiting plate (306), the top of the second limiting plate (306) is fixedly connected with a top column (307), the front surface of the square beam sleeve (201) is fixedly connected with an angle adjusting mechanism (4), the angle adjusting mechanism (4) includes a first adjusting plate (401), the first adjusting plate (401) is movably sleeved with an angle adjusting shaft (403), the outer side of the angle adjusting shaft (403) is movably sleeved with a second adjusting plate (402), one end of the first adjusting plate (401) is installed with a cross beam fixed block (404); The hydraulic fixing mechanism (5) comprises a hydraulic cylinder (501), the top of the hydraulic cylinder (501) is fixedly connected with a hydraulic rod (502), the top of the hydraulic rod (502) is fixedly connected with a fourth fixed plate (503), the top of the fourth fixed plate (503) is fixedly connected with a third U-shaped fixed plate (504), the inner side of the third U-shaped fixed plate (504) is fixedly connected with a third limiting plate (505), and the front surface of the square beam sleeve pipe (201) is fixedly connected with the other end of the first adjusting plate (401).

2. A single or double beam trolley jib for an electric hoist according to claim 1, characterized in that: The bottom end of the inner side of the second moving wheel (203) is on the same plane as the bottom end of the inner side of the first moving wheel (108), and the size of the first moving wheel (108) is the same as that of the second moving wheel (203).

3. A single or double beam trolley jib for an electric hoist according to claim 1, characterized in that: The diameter of the first limiting plate (303) is the same as that of the inner side of the first sleeve pipe (301), and the diameter of the second limiting plate (306) is the same as that of the inner side of the second sleeve pipe (304).

4. A single or double beam trolley jib for an electric hoist according to claim 1, characterized in that: The back surface of the first adjusting plate (401) is provided with a first rotating groove, the front surface of the second adjusting plate (402) is provided with a second rotating groove, the thickness of the first adjusting plate (401) is the same as that of the second adjusting plate (402), the depth of the first rotating groove of the first adjusting plate (401) is the same as that of the second rotating groove of the second adjusting plate (402), the depth of the first rotating groove of the first adjusting plate (401) is the same as that of the second rotating groove of the second adjusting plate (402), and the depth of the first rotating groove of the first adjusting plate (401) is the same as that of the second rotating groove of the second adjusting plate (402), and the back surface of the first adjusting plate (401) is not fixedly connected with the cross beam fixed block (404).

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