CN112573366A - Crane beam for crane - Google Patents
Crane beam for crane Download PDFInfo
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- CN112573366A CN112573366A CN202011299010.1A CN202011299010A CN112573366A CN 112573366 A CN112573366 A CN 112573366A CN 202011299010 A CN202011299010 A CN 202011299010A CN 112573366 A CN112573366 A CN 112573366A
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- Prior art keywords
- clamping
- crane
- crane beam
- rod
- cylinder
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C6/00—Girders, or track-supporting structures, specially adapted for cranes
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
- F16F15/06—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs
- F16F15/067—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs using only wound springs
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B50/00—Energy efficient technologies in elevators, escalators and moving walkways, e.g. energy saving or recuperation technologies
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Jib Cranes (AREA)
Abstract
The invention relates to the technical field of crane girders and discloses a crane girder for a crane, which comprises a base, wherein the base is horizontally arranged, and a damping mechanism is fixedly arranged on the bottom surface of the base. This a crane beam for hoist, carry out shock attenuation protection to whole through being provided with damper, after promoting crane beam to suitable position, run through crane beam setting with the spliced pole, three messenger's threaded rod of starter motor and thread bush cooperation are screwed, make the spliced pole carry on spacingly, make crane beam tentatively fix, through setting up a joint section of thick bamboo, start two motors one and make two joint sections be close to two crane booms in step, position fixing controls crane beam, through being provided with L type joint pole, two messenger's L type joint poles descend simultaneously of starter motor, make two L type joint poles carry out the joint to the crane boom, it is fixed to make crane beam carry out the secondary, make crane beam more firm at the during operation, with the operating mode of more adaptation heavy load and wide-angle.
Description
Technical Field
The invention relates to the technical field of crane girders, in particular to a crane girder for a crane.
Background
The crane beam of the crane needs to bear great pressure corresponding to the beam, and in order to meet the hoisting requirement, the structural design requirement on the crane beam is high. The existing crane beam is usually lapped on a hoisting frame, and both ends of the existing crane beam are provided with mounting and fixing structures, but because the crane needs to adapt to the working conditions of heavy load and large angle sometimes, the invention of the crane beam for the crane is urgently needed to solve the problems.
Disclosure of Invention
The object of the present invention is to provide a crane beam for a crane that solves the problems set forth in the background art described above.
In order to achieve the purpose, the invention provides the following technical scheme: a crane beam for a crane comprises a base, wherein the base is horizontally arranged, a damping mechanism is fixedly arranged on the bottom surface of the base, hoisting frames are vertically arranged at the left end and the right end of the top surface of the base, the bottom surfaces of the hoisting frames are fixedly connected with the top surface of the base, a crane beam is horizontally arranged between the two hoisting frames, an electric hoist is slidably arranged below the crane beam, clamping grooves I are respectively formed in the top surfaces of the left end and the right end of the crane beam, a screw rod I is horizontally arranged in each clamping groove I, a motor I is arranged on the outer side of each screw rod I, the bottom surface of each motor I is fixedly connected with the inner bottom surface of each clamping groove I, one end of an output rod of each motor I is fixedly connected with the outer end of each screw rod I, two fixing sleeves are sleeved on each screw rod I, a clamping sleeve I is horizontally arranged between the two, two clamping cylinders are respectively vertically arranged above the first clamping grooves, the bottom surface of each clamping cylinder is fixedly connected with the top surface of the first clamping sleeve, a second lead screw is vertically arranged in each clamping cylinder, a second motor is fixedly arranged on the bottom surface of each clamping cylinder, the bottom end of an output rod of each motor penetrates through each clamping cylinder and extends into each clamping cylinder to be fixedly connected with the top end of each lead screw, the upper end surface of each lead screw is sleeved with a second clamping sleeve, a gear is fixedly sleeved on the surface of the bottom end of each lead screw, the bottom end of each bottom lead screw is rotatably connected with the bottom surface of the inner part of each clamping cylinder through a bearing seat, a limiting cylinder is horizontally arranged on the outer side of each clamping cylinder in a through mode, an electric telescopic rod is fixedly arranged in each limiting cylinder, a limiting rod is fixedly connected with the output rod of each electric telescopic rod, one end of each limiting rod extends into each clamping cylinder to be, the side surface of the clamping cylinder is vertically penetrated and provided with a moving through groove corresponding to the position of an L-shaped clamping rod, one end of the L-shaped clamping rod penetrates through the moving through groove and extends to the inside of the clamping cylinder to be fixedly connected with the two sides of a clamping sleeve, the inner wall of the L-shaped clamping rod is clamped with the top surface of a hoisting frame, two connecting columns are vertically arranged between the bottom surface of the inside of the hoisting frame and a crane beam respectively, the top surfaces of the connecting columns are fixedly connected with the top surface of the inside of the hoisting frame, the lower ends of the connecting columns penetrate through the crane beam and extend to the lower part of the crane beam, clamping grooves II and clamping grooves III are respectively arranged on the left and right sides of the bottom surface of the crane beam corresponding to the positions of the connecting columns, a wedge I is arranged in the clamping grooves in a sliding manner, a wedge II is arranged in the clamping, two bottoms of wedge run through joint groove three and extend to crane beam below, two wedges are close to one side horizontal fixation of wedge and are provided with the thread bush, thread bush one end runs through the spliced pole and extends to a wedge side, three output levers of motor run through wedge one and threaded rod one end fixed connection, the threaded rod other end runs through the thread bush setting.
Preferably, the damping mechanism comprises a fixed cylinder, a bottom plate, a damping column, an extrusion plate and a damping plate, the fixed cylinder and the bottom plate are arranged in a vertically symmetrical manner, the bottom surface of the fixed cylinder is provided with an opening, the top surface of the fixed cylinder is fixedly connected with the bottom surface of the base, the bottom surface of the bottom plate is provided with a fixing nail, the damping column is fixedly and vertically arranged on the top surface of the bottom plate, a damping spring I is vertically arranged between the bottom plate and the fixed cylinder, the upper end and the lower end of the damping spring I are fixedly connected with the bottom surface of the fixed cylinder and the top surface of the bottom plate, a damping spring II is fixedly arranged between the top surface of the damping column and the top surface of the inside of the fixed cylinder, the extrusion plate is fixedly arranged on the left side surface and the right side surface of the damping column corresponding to the inside of the fixed cylinder, the damping plate is characterized in that the upper end of the damping plate is hinged to the top surface inside the damping groove, a third damping spring is fixedly arranged between the side surface of the damping plate and the inner wall of the damping groove, and the side surface of the damping plate is in contact with the side surface of the extrusion plate.
Preferably, the four damping mechanisms are uniformly arranged at four corners of the bottom surface of the base.
Preferably, the bottom surface of the crane beam is transversely provided with a moving groove, a moving box is arranged in the moving groove in a sliding manner, rollers are arranged on the moving box in a front-back rotating manner, the bottom surface of each roller is arranged in the moving groove in a sliding manner, and the top surface of the moving box is fixedly connected with the top surface of the electric hoist.
Preferably, the inner wall of the fixed sleeve is arranged on the surface of the screw rod in a sliding manner, and the surface of the fixed sleeve is fixedly connected with the inner wall of the clamping groove.
Preferably, the inner wall of the clamping sleeve II is in threaded connection with the surface of the screw rod II, and the surface of the clamping sleeve II is arranged on the inner wall of the clamping cylinder in a sliding mode.
Preferably, the surface of the threaded sleeve is fixedly connected with the inner wall of the connecting column, and the inner wall of the threaded sleeve is in threaded connection with the surface of the threaded rod.
Compared with the prior art, the invention has the beneficial effects that: this a crane beam for hoist, carry out shock attenuation protection to whole through being provided with damper, after promoting crane beam to suitable position, run through crane beam setting with the spliced pole, three messenger's threaded rod of starter motor and thread bush cooperation are screwed, make the spliced pole carry on spacingly, make crane beam tentatively fix, through setting up a joint section of thick bamboo, start two motors one and make two joint sections be close to two crane booms in step, position fixing controls crane beam, through being provided with L type joint pole, two messenger's L type joint poles descend simultaneously of starter motor, make two L type joint poles carry out the joint to the crane boom, it is fixed to make crane beam carry out the secondary, make crane beam more firm at the during operation, with the operating mode of more adaptation heavy load and wide-angle.
Drawings
FIG. 1 is a cross-sectional view of the overall left side structure of the present invention;
FIG. 2 is a schematic structural view of a front side of a crane beam according to the present invention;
FIG. 3 is a front structural cross-sectional view of a crane beam according to the present invention;
FIG. 4 is a left side cross-sectional view of the damping mechanism of the present invention;
FIG. 5 is an enlarged view of area A of FIG. 3 according to the present invention;
FIG. 6 is an enlarged view of area B of FIG. 3 according to the present invention.
In the figure: the damping device comprises a base, a damping mechanism, a fixing barrel 201, a bottom plate 202, a damping column 203, a squeezing plate 204, a damping groove 205, a damping plate 206, a hoisting frame 3, a crane beam 4, an electric hoist 5, a moving groove 6, a moving box 7, a roller 8, a first clamping groove 9, a first lead screw 10, a first motor 11, a fixed sleeve 12, a first clamping sleeve 13, a clamping sleeve 14, a second lead screw 15, a second clamping sleeve 16, a second motor 17, a 18L-shaped clamping rod, a moving through groove 19, a gear 20, a limiting barrel 21, an electric telescopic rod 22, a limiting rod 23, a connecting column 24, a second clamping groove 25, a third clamping groove 26, a first wedge 27, a second wedge 28, a threaded sleeve 29, a third motor 30 and a threaded rod 31.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-6, the present invention provides a technical solution: a crane beam for a crane comprises a base 1, wherein the base 1 is horizontally arranged, a damping mechanism 2 is fixedly arranged on the bottom surface of the base 1, the damping mechanism 2 comprises a fixed cylinder 201, a bottom plate 202, a damping column 203, an extrusion plate 204 and a damping plate 206, the fixed cylinder 201 and the bottom plate 202 are arranged in an up-down symmetrical mode, the bottom surface of the fixed cylinder 201 is provided with an opening, the top surface of the fixed cylinder 201 is fixedly connected with the bottom surface of the base 1, the bottom surface of the bottom plate 202 is provided with a fixing nail, the damping column 203 is fixedly and vertically arranged on the top surface of the bottom plate 202, a damping spring I is vertically arranged between the bottom plate 202 and the fixed cylinder 201, the upper end and the lower end of the damping spring I are fixedly connected with the bottom surface of the fixed cylinder 201 and the top surface of the bottom plate 202, a damping spring II is fixedly arranged between the top surface of the damping column 203 and the top surface of the inside, the crane beam for the crane is characterized in that the left side surface and the right side surface of the damping column 203 are respectively provided with a damping groove 205, a damping plate 206 is arranged in the damping groove 205, the upper end of the damping plate 206 is hinged with the top surface in the damping groove 205, a damping spring III is fixedly arranged between the side surface of the damping plate 206 and the inner wall of the damping groove 205, the side surface of the damping plate 206 is contacted with the side surface of the extrusion plate 204, four groups of damping mechanisms 2 are arranged, four groups of damping mechanisms 2 are uniformly arranged at four corners of the bottom surface of a base 1, the whole body is subjected to damping protection by arranging the damping mechanisms 2, the left end and the right end of the top surface of the base 1 are respectively vertically provided with a hoisting frame 3, the bottom surfaces of the two hoisting frames 3 are fixedly connected with the top surface of the base 1, a crane beam 4 is horizontally arranged between the two hoisting frames 3, an, the movable box 7 is provided with a roller 8 in a front-back rotating manner, the bottom surface of the roller 8 is arranged in a sliding manner with the inside of a movable groove 6, the top surface of the movable box 7 is fixedly connected with the top surface of an electric hoist 5, the top surfaces of the left end and the right end of a crane beam 4 are respectively provided with a first clamping groove 9, a first lead screw 10 is horizontally arranged inside the first clamping groove 9, a first motor 11 is arranged outside the first lead screw 10, the bottom surface of the first motor 11 is fixedly connected with the bottom surface of the inside of the first clamping groove 9, one end of an output rod of the first motor 11 is fixedly connected with the outer end of the first lead screw 10, two fixed sleeves 12 are sleeved on the first lead screw 10, the inner walls of the fixed sleeves 12 are arranged in a sliding manner with the surface of the first lead screw 10, the surface of the fixed sleeves 12 is fixedly connected with the inner wall of the first clamping groove 9, a first clamping sleeve 13 is horizontally, a second screw rod 15 is vertically arranged in the clamping cylinder 14, a second motor 17 is fixedly arranged on the bottom surface of the clamping cylinder 14, the bottom end of an output rod of the second motor 17 penetrates through the clamping cylinder 14 and extends into the clamping cylinder 14 to be fixedly connected with the top end of the second screw rod 15, a second clamping sleeve 16 is sleeved on the upper end surface of the second screw rod 15, the inner wall of the second clamping sleeve 16 is in threaded connection with the surface of the second screw rod 15, the surface of the second clamping sleeve 16 is in sliding arrangement with the inner wall of the clamping cylinder 14, a gear 20 is fixedly sleeved on the bottom end surface of the second screw rod 15, the bottom end of the second screw rod 15 at the bottom end is rotatably connected with the bottom surface of the clamping cylinder 14 through a bearing seat, a limiting cylinder 21 is horizontally arranged outside the clamping cylinder 14 in a penetrating manner, an electric telescopic rod 22 is fixedly arranged in the limiting cylinder 21, a limiting rod 23 is fixedly connected with the output rod of the electric telescopic rod 22, a moving through groove 19 is vertically formed in the side face of the clamping cylinder 14 in a penetrating manner corresponding to the position of the L-shaped clamping rod 18, one end of the L-shaped clamping rod 18 penetrates through the moving through groove 19 and extends into the clamping cylinder 14 to be fixedly connected with the side face of the clamping sleeve II 16, the inner wall of the L-shaped clamping rod 18 is clamped with the top face of the hoisting frame 3, the two clamping cylinders 14 are synchronously close to the two hoisting frames 3 by arranging the clamping cylinder 14, the left and right positions of the hoisting beam 4 are fixed, the two L-shaped clamping rods 18 are simultaneously descended by arranging the L-shaped clamping rods 18 and starting the motor II 17, the two L-shaped clamping rods 18 are clamped with the hoisting frame 3, the hoisting beam 4 is secondarily fixed, the hoisting beam 4 is more stable in work, so as to be more suitable for heavy load and large-angle working conditions, two connecting columns 24 are vertically arranged between the inner bottom face of the two hoisting frames 3 and the, the top surface of a connecting column 24 is fixedly connected with the top surface inside a hoisting frame 3, the lower end of the connecting column 24 penetrates through a crane beam 4 and extends to the lower part of the crane beam 4, the bottom surface of the crane beam 4 is respectively provided with a clamping groove II 25 and a clamping groove III 26 corresponding to the left and the right of the position of the connecting column 24, a wedge block I27 is arranged inside the clamping groove II 25 in a sliding manner, a wedge block II 28 is arranged inside the clamping groove III 26 in a sliding manner, the bottom end of the wedge block I27 extends to the lower part of the crane beam 4, a motor III 30 is fixedly arranged outside the wedge block I27, the bottom end of the wedge block II 28 penetrates through the clamping groove III 26 and extends to the lower part of the crane beam 4, a thread sleeve 29 is horizontally and fixedly arranged on one side of the wedge block II 28 close to the wedge block I27, one end of the thread sleeve 29 penetrates through the connecting column 24 and extends to the side, threaded sleeve 29 surface and spliced pole 24 inner wall fixed connection, threaded sleeve 29 inner wall and threaded rod 31 surface threaded connection through promoting crane beam 4 to suitable position after, run through crane beam 4 with spliced pole 24 and set up, and three 30 messenger threaded rod 31 of starter motor are screwed with the cooperation of threaded sleeve 29, make spliced pole 24 carry on spacingly, make crane beam 4 tentatively fix.
During the use, promote hoist roof beam 4 to suitable position after, run through hoist roof beam 4 setting with spliced pole 24, three 30 messenger threaded rod 31 of starter motor screw with the cooperation of thread bush 29, it is spacing to make spliced pole 24, make hoist roof beam 4 tentatively fix, through setting up joint section of thick bamboo 14, start two motors 11 and make two joint section of thick bamboos 14 be close to two crane boos 3 in step, position fixing about going on hoist roof beam 4, through being provided with L type joint pole 18, two 17 messenger two L type joint poles 18 descend simultaneously of starter motor, make two L type joint poles 18 carry out the joint to crane boom 3, make hoist roof beam 4 carry out the secondary and fix, make hoist roof beam 4 more firm at the during operation.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. A crane beam for a crane, comprising a base (1), characterized in that: the crane is characterized in that the base (1) is horizontally arranged, the bottom surface of the base (1) is fixedly provided with a damping mechanism (2), hoisting frames (3) are vertically arranged at the left end and the right end of the top surface of the base (1), the bottom surfaces of the hoisting frames (3) are fixedly connected with the top surface of the base (1), a crane beam (4) is horizontally arranged between the two hoisting frames (3), an electric hoist (5) is arranged below the crane beam (4) in a sliding manner, clamping grooves I (9) are formed in the top surfaces of the left end and the right end of the crane beam (4), a screw rod I (10) is horizontally arranged in the clamping grooves I (9), a motor I (11) is arranged outside the screw rod I (10), the bottom surface of the motor I (11) is fixedly connected with the inner bottom surface of the clamping grooves I (9), one end of an output rod of the motor I (11) is fixedly connected with the outer end of the screw rod I (10), and two fixing, a clamping sleeve I (13) is horizontally arranged between the two fixing sleeves (12), the inner wall of the clamping sleeve I (13) is in threaded connection with the surface of a screw rod I (10), two clamping grooves I (9) are respectively and vertically provided with a clamping cylinder (14) above, the bottom surface of the clamping cylinder (14) is fixedly connected with the top surface of the clamping sleeve I (13), a screw rod II (15) is vertically arranged inside the clamping cylinder (14), a motor II (17) is fixedly arranged on the bottom surface of the clamping cylinder (14), the bottom end of an output rod of the motor II (17) penetrates through the clamping cylinder (14) and extends to the inside of the clamping cylinder (14) to be fixedly connected with the top end of the screw rod II (15), a clamping sleeve II (16) is sleeved on the upper end surface of the screw rod II (15), a gear (20) is fixedly arranged on the bottom surface of the screw rod II (15), and the bottom end of the screw rod II (15) is rotatably connected with the bottom surface inside of, the clamping cylinder (14) is horizontally provided with a limiting cylinder (21) in a penetrating manner at the outer side, an electric telescopic rod (22) is fixedly arranged inside the limiting cylinder (21), an output rod of the electric telescopic rod (22) is fixedly connected with a limiting rod (23), one end of the limiting rod (23) extends to the inside of the clamping cylinder (14) and is meshed with the surface of a gear (20), two L-shaped clamping rods (18) are vertically arranged between the two clamping cylinders (14) in a left-right direction, a movable through groove (19) is vertically arranged in a penetrating manner at the position corresponding to the L-shaped clamping rod (18) at the side of the clamping cylinder (14), one end of each L-shaped clamping rod (18) penetrates through the movable through groove (19) and extends to the inside of the clamping cylinder (14) and is fixedly connected with the side of a clamping sleeve (16), the inner wall of each L-shaped clamping rod (18) is clamped with the top surface of the hoisting frame (3), two connecting rods (24) are vertically arranged between the, the top surface of the connecting column (24) is fixedly connected with the inner top surface of the hoisting frame (3), the lower end of the connecting column (24) penetrates through the crane beam (4) and extends to the lower part of the crane beam (4), the crane beam (4) is provided with two clamping grooves (25) and three clamping grooves (26) corresponding to the left and right positions of the connecting column (24), the two clamping grooves (25) are internally provided with the first wedge block (27) in a sliding manner, the three clamping grooves (26) are internally provided with the second wedge block (28) in a sliding manner, the first wedge block (27) is extended to the lower part of the crane beam (4) at the bottom end, the first wedge block (27) is fixedly provided with the third motor (30) at the outer side, the second wedge block (28) is provided with the threaded sleeve (29) close to one side of the first wedge block (27) in a horizontal fixed manner, threaded sleeve (29) one end is run through spliced pole (24) and is extended to wedge piece (27) side, motor three (30) output rod runs through wedge piece (27) and threaded rod (31) one end fixed connection, threaded sleeve (29) setting is run through to the threaded rod (31) other end.
2. A crane beam for a crane according to claim 1, characterized in that: the damping mechanism (2) comprises a fixed cylinder (201), a bottom plate (202), damping columns (203), an extrusion plate (204) and a damping plate (206), the fixed cylinder (201) and the bottom plate (202) are arranged in an up-down symmetrical mode, openings in the bottom surface of the fixed cylinder (201) are arranged, the top surface of the fixed cylinder (201) is fixedly connected with the bottom surface of the base (1), fixing nails are arranged on the bottom surface of the bottom plate (202), the damping columns (203) are fixedly and vertically arranged on the top surface of the bottom plate (202), damping springs I are vertically arranged between the bottom plate (202) and the fixed cylinder (201), the upper ends and the lower ends of the damping springs I are fixedly connected with the bottom surface of the fixed cylinder (201) and the top surface of the bottom plate (202), damping springs II are fixedly arranged between the top surface of the damping columns (203) and the inner top surface of the fixed cylinder (201), the extrusion plate (204) is fixedly arranged on the left, two side sliding connection about stripper plate (204) is close to face and shock attenuation post (203) mutually, shock attenuation groove (205) have all been seted up to the side about shock attenuation post (203), shock attenuation board (206) set up inside shock attenuation groove (205), shock attenuation board (206) upper end is articulated with the inside top surface of shock attenuation groove (205), it is three to fix between shock attenuation board (206) side and shock attenuation groove (205) inner wall to be provided with damping spring, shock attenuation board (206) side and stripper plate (204) side contact.
3. A crane beam for a crane according to claim 2, characterized in that: the four shock absorption mechanisms (2) are evenly arranged at four corners of the bottom surface of the base (1).
4. A crane beam for a crane according to claim 1, characterized in that: the crane beam (4) bottom surface has transversely seted up shifting chute (6), the inside slip of shifting chute (6) is provided with movable box (7), it is provided with gyro wheel (8) to rotate around movable box (7), gyro wheel (8) bottom surface and the inside slip setting of shifting chute (6), movable box (7) top surface and electric hoist (5) top surface fixed connection.
5. A crane beam for a crane according to claim 1, characterized in that: the inner wall of the fixed sleeve (12) is arranged on the surface of the first screw rod (10) in a sliding mode, and the surface of the fixed sleeve (12) is fixedly connected with the inner wall of the first clamping groove (9).
6. A crane beam for a crane according to claim 1, characterized in that: the inner wall of the second clamping sleeve (16) is in threaded connection with the surface of the second lead screw (15), and the surface of the second clamping sleeve (16) is arranged on the inner wall of the clamping cylinder (14) in a sliding mode.
7. A crane beam for a crane according to claim 1, characterized in that: the surface of the threaded sleeve (29) is fixedly connected with the inner wall of the connecting column (24), and the inner wall of the threaded sleeve (29) is in threaded connection with the surface of the threaded rod (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011299010.1A CN112573366B (en) | 2020-11-19 | 2020-11-19 | Crane beam for crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011299010.1A CN112573366B (en) | 2020-11-19 | 2020-11-19 | Crane beam for crane |
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| CN112573366A true CN112573366A (en) | 2021-03-30 |
| CN112573366B CN112573366B (en) | 2023-04-07 |
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| CN112573366B (en) | 2023-04-07 |
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Denomination of invention: A crane beam for cranes Effective date of registration: 20230517 Granted publication date: 20230407 Pledgee: China Postal Savings Bank Co.,Ltd. Xintai City sub branch Pledgor: SHANDONG QILIDE HEAVY INDUSTRY GROUP CO.,LTD. Registration number: Y2023980040964 |