Guide wheel structure for boom machine

Abstract

The utility model relates to the technical field of suspenders, and discloses a guide wheel structure for a suspender, which comprises a mounting piece and a connecting piece, an equidistant adjusting mechanism is fixedly mounted on the side surface of the connecting piece, and a guide wheel angle adjusting mechanism is fixedly mounted on the side surface of the equidistant adjusting mechanism; the equidistant adjusting mechanism comprises a fixing plate, and the side face of the fixing plate is fixedly connected with the side face of the connecting piece. When the distance between the guide wheels needs to be adjusted, a servo motor is started to drive a threaded rod to rotate, a threaded sleeve is driven to move through the threaded rod, then a sliding block is driven to move, a limiting block is pushed through a through groove to conduct transverse position adjustment in the through groove, and the longitudinal position of the guide wheels is limited through the sliding block and the sliding groove; the guide wheel angle adjusting mechanism only moves in the transverse direction, the distance between the guide wheels is adjusted, the device can adapt to hanging operation of different curtains, the use scene and practicability of the device are improved, and the adjusting speed and accuracy of the distance between the guide wheels are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a derrick machine technical field, concretely is a derrick machine guide wheel structure. BACKGROUND

[0002] In the hoisting of stage equipment, it is usually necessary to use a derrick machine, and the derrick machine is used to connect the derrick or other lifting stage equipment of the stage curtain through the cooperation of the roller on the derrick machine and the multi-lifting point steel wire rope. The guide wheel mechanism is a guide mechanism after the roller of the derrick machine is unwound, and it can be used to control the unwinding angle of the roller.

[0003] A derrick machine guide wheel structure is provided in Chinese patent with publication number CN218201931U, which comprises a guide wheel frame, a guide wheel, a fixed plate and a guide wheel seat. A plurality of guide wheel seats are arranged along the length direction of the guide wheel frame, a rotating shaft extending along the length direction of the guide wheel frame is arranged on the guide wheel seat, and the fixed plate is rotatably connected with the rotating shaft. The guide wheel is rotatably arranged on the fixed plate. The guide wheel seats and the guide wheels arranged on the guide wheel frame are used to guide and adjust the unwinding angle of the lifting ropes on different parts of the roller. The cooperation of the fixed plate and the rotating shaft enables the fixed plate to rotate towards both sides of the width direction of the guide wheel frame, thereby adjusting the inclination angle of the guide wheel and quickly changing the unwinding angle.

[0004] Although the device is provided with the fixed plate and the rotating shaft which can adjust the angle of the guide wheel in cooperation with each other, this angle adjustment mode is a self-adjustment mode of the device, and the adjustment is more dependent on the state of the device. Once the device loses the level or tilts, the self-adjustment of the device will be greatly affected. Moreover, the distance between the traditional guide wheels is generally set, and when different stages need to use the derrick machine, it is necessary to adjust the distance of the traction rope, which requires adjusting the distance between the guide wheels, so that the traditional guide wheels have great limitations in use.

[0005] Therefore, it is necessary to provide a derrick machine guide wheel structure. UTILITY MODEL CONTENTS

[0006] The utility model aims at providing a derrick machine guide wheel structure to solve the problem that the self-adjustment mode in the comparative file in the above background technology needs to meet more stringent conditions, the proportion and the realization, and the adjustment of the distance between the traditional guide wheels is mostly carried out by disassembling the device, resulting in more adjustment steps. The adjustment speed is slow, and the adjustment accuracy cannot be guaranteed.

[0007] In order to achieve the above object, the utility model provides the following technical scheme: a derrick machine guide wheel structure, including mounting piece and connecting piece, the connecting piece side fixed installation has equidistance adjusting mechanism, equidistance adjusting mechanism side fixed installation has guide wheel angle adjusting mechanism, equidistance adjusting mechanism includes fixed plate, the fixed plate side with connecting piece side fixed connection, the fixed plate side fixed installation has servo motor, servo motor drive link end surface fixed installation has screw rod, screw rod end surface fixed installation has bearing seat, bearing seat end surface with connecting piece side fixed connection, screw rod side screw -threaded installation has threaded sleeve, threaded sleeve side fixed installation has sliding block.

[0008] Preferably, the sliding block side fixed installation has mounting plate, and the mounting plate is provided with a through groove penetrating from top to bottom.

[0009] Preferably, the number of through grooves is seven, the inclination angles of the seven through grooves are different, the inclination angle is larger towards the two sides, the limit block is slidably installed on the inner wall of the through groove, and the number of limit blocks is also seven.

[0010] Preferably, the guide wheel angle adjusting mechanism comprises an outer shell, the bottom end surface of the outer shell is fixedly connected with the top end surface of the limit block, the inner wall of the outer shell is fixedly installed with a driving motor, the side surface of the outer shell is fixedly provided with a heat dissipation hole, and the top end surface of the outer shell is fixedly provided with an annular groove.

[0011] Preferably, the top end surface of the driving motor drive link is provided with a top plate, the bottom end surface of the top plate is fixedly installed with a rotating ring, and the side surface of the rotating ring is matched with the inner wall of the annular groove.

[0012] Preferably, the side surface of the mounting piece is fixedly installed with a sliding block, the top end surface of the mounting piece is fixedly installed with a mounting frame, the inner wall of the mounting frame is fixedly provided with a sliding groove, the inner wall of the sliding groove is slidably connected with the side surface of the sliding block, the inner wall of the mounting piece is fixedly provided with a sliding slot, and the side surface of the mounting plate is slidably connected with the inner wall of the sliding slot.

[0013] Preferably, the top end surface of the top plate is fixedly installed with a U-shaped block, and the inner wall of the U-shaped block is rotatably installed with a guide wheel.

[0014] Compared with the prior art, the utility model has the beneficial effects that:

[0015] 1) the jib machine guide wheel structure, when the distance between the guide wheels needs to be adjusted, open the servo motor driven screw rod rotation, and through the threaded rod driven threaded sleeve movement, in turn, driven sliding block movement and through the slot to push the limit block in the slot inside the horizontal position adjustment, through the slider and sliding groove on the longitudinal position of the guide wheel is limited, ensure that the guide wheel angle adjustment mechanism only in the horizontal movement, complete the adjustment of the distance between the guide wheels, so that the device can adapt to different curtain hanging operation, improve the use of the device scene and practicality, improve the adjustment speed and accuracy of the guide wheel distance.

[0016] 2) the jib machine guide wheel structure, when the distance between the guide wheels needs to be adjusted, open the servo motor driven screw rod rotation, and through the threaded rod driven threaded sleeve movement, in turn, driven sliding block movement and through the slot to push the limit block in the slot inside the horizontal position adjustment, through the slider and sliding groove on the longitudinal position of the guide wheel is limited, ensure that the guide wheel angle adjustment mechanism only in the horizontal movement, complete the adjustment of the distance between the guide wheels, so that the device can adapt to different curtain hanging operation, improve the use of the device scene and practicality, improve the adjustment speed and accuracy of the guide wheel distance. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 for the three-dimensional structure of the guide wheel structure of the jib machine in the embodiment of the utility model;

[0018] Figure 2 for the equal distance adjustment mechanism structure diagram in the embodiment of the utility model;

[0019] Figure 3 for the through slot structure diagram in the embodiment of the utility model;

[0020] Figure 4 for the guide wheel adjustment mechanism local section structure diagram in the embodiment of the utility model;

[0021] Figure 5 for the drive motor structure diagram in the embodiment of the utility model;

[0022] Figure 6 for the structure diagram of sliding groove, slider in the embodiment of the utility model.

[0023] In the drawing: 1, mounting piece; 2, sliding groove; 3, mounting frame; 4, connecting piece; 5, equal distance adjustment mechanism; 501, fixed plate; 502, servo motor; 503, threaded rod; 504, bearing seat; 505, threaded sleeve; 506, sliding block; 507, mounting plate; 508, through slot; 509, limit block; 6, guide wheel angle adjustment mechanism; 601, shell; 602, cooling hole; 603, annular groove; 604, drive motor; 605, top plate; 606, rotating ring; 7, U-shaped block; 8, guide wheel; 9, sliding groove; 10, slider. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be apparently and completely described in connection with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than 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 protection scope of the utility model. EMBODIMENT

[0025] In combination Figures 1-6 A derrick guide wheel structure, comprising a mounting piece 1 and a connecting piece 4, the connecting piece 4 is fixedly installed with equidistance adjusting mechanism 5 on the side surface, and the equidistance adjusting mechanism 5 is fixedly installed with guide wheel angle adjusting mechanism 6 on the side surface; the equidistance adjusting mechanism 5 comprises a fixed plate 501, the fixed plate 501 is fixedly connected with the side surface of the connecting piece 4, the fixed plate 501 is fixedly installed with a servo motor 502 on the side surface, the servo motor 502 is fixedly installed with a threaded rod 503 on the end surface of the transmission rod, the threaded rod 503 is fixedly installed with a bearing seat 504 on the end surface, the bearing seat 504 is fixedly connected with the side surface of the connecting piece 4, the threaded rod 503 is screwedly installed with a threaded sleeve 505 on the side surface, the threaded sleeve 505 is fixedly installed with a sliding block 506 on the side surface, the sliding block 506 is fixedly installed with a mounting plate 507 on the side surface, the mounting plate 507 is provided with a through slot 508 penetratingly arranged on the upper and lower portions, the number of the through slots 508 is seven, the inclination angles of the seven through slots 508 are different, the inclination angle is larger on the two sides, the limit block 509 is slidingly installed on the inner wall of the through slot 508, and the number of the limit block 509 is also seven;

[0026] Specifically, when the distance between the guide wheels 8 needs to be adjusted, the servo motor 502 is turned on, the threaded rod 503 installed on the end surface of the transmission rod is driven to rotate by the servo motor 502, the threaded sleeve 505 is driven to move through the threaded rod 503, the sliding block 506 is driven to move along the direction of the threaded rod 503, the sliding block 506 is adapted through the sliding groove 2, the limit block 509 is further pushed to adjust the horizontal position in the through slot 508 through the through slot 508, the longitudinal position of the guide wheel 8 is limited through the sliding block 10 and the sliding groove 9, the distance between the guide wheels 8 is adjusted, and then the suspension operation of different curtains can be adapted. EMBODIMENT

[0027] Referring to Figures 1-6, further get, guide wheel angle adjusting mechanism 6 includes shell 601, shell 601 bottom end surface and limit block 509 top end surface fixed connection, drive motor 604 is fixedly installed on the inner wall of shell 601, the side of shell 601 is fixedly provided with heat dissipation hole 602, the top end surface of shell 601 is fixedly provided with annular groove 603, the top end surface of drive motor 604 transmission rod bottom is installed with top plate 605, top plate 605 bottom end surface is fixedly installed with rotating ring 606, the side of rotating ring 606 is matched with the inner wall of annular groove 603, the side of mounting piece 1 is fixedly installed with sliding block 10, mounting frame 3 is fixedly installed on the top end surface of mounting piece 1, sliding groove 9 is fixedly provided in the inner wall of mounting frame 3, the inner wall of sliding groove 9 is slidably connected with the side of sliding block 10, sliding slot 2 is fixedly provided in the inner wall of mounting piece 1, the inner wall of sliding slot 2 is slidably connected with the side of mounting plate 507, U-shaped block 7 is fixedly installed on the top end surface of top plate 605, guide wheel 8 is rotatably installed in the inner wall of U-shaped block 7;

[0028] Specifically, when the rope angle of the traction rope needs to be adjusted, the drive motor 604 is turned on, the drive motor 604 drives the top plate 605 installed on the end surface of the transmission rod to rotate, at the same time, the rotating ring 606 installed on the bottom end surface of the top plate 605 slides in the inner wall of the annular groove 603 opened on the top end surface of the shell 601, thereby providing effective support for the top plate 605, further driving the U-shaped block 7 and the guide wheel 8 installed on the top end surface of the top plate 605 to rotate, completing the angle adjustment of the guide wheel 8.

[0029] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and modifications can be made to the embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A dolly structure for a derrick machine, comprising a mounting member (1) and a connecting member (4), characterized in that: The connecting piece (4) is fixedly installed with equidistance adjusting mechanism (5) on the side, and the equidistance adjusting mechanism (5) is fixedly installed with guide wheel angle adjusting mechanism (6) on the side; The equidistance adjusting mechanism (5) comprises a fixed plate (501), the fixed plate (501) is fixedly connected with the connecting piece (4) on the side, a servo motor (502) is fixedly installed on the side of the fixed plate (501), a threaded rod (503) is fixedly installed on the end surface of the transmission rod of the servo motor (502), a bearing seat (504) is fixedly installed on the end surface of the threaded rod (503), the bearing seat (504) is fixedly connected with the connecting piece (4) on the side, a threaded sleeve (505) is screwedly installed on the side of the threaded rod (503), and a sliding block (506) is fixedly installed on the side of the threaded sleeve (505).

2. A carrier according to claim 1, wherein: The sliding block (506) is fixedly installed with an installation plate (507), and a through groove (508) is vertically and penetratingly arranged on the installation plate (507).

3. A carrier according to claim 2, wherein: The number of the through grooves (508) is seven, the inclination angles of the seven through grooves (508) are different, the inclination angles are larger on the two sides, a limiting block (509) is slidably installed on the inner wall of the through groove (508), and the number of the limiting blocks (509) is also seven.

4. The derrick machine's guide wheel structure according to claim 1, characterized in that: The guide wheel angle adjusting mechanism (6) comprises an outer shell (601), the bottom end surface of the outer shell (601) is fixedly connected with the top end surface of the limiting block (509), a driving motor (604) is fixedly installed on the inner wall of the outer shell (601), a heat dissipation hole (602) is fixedly arranged on the side of the outer shell (601), and an annular groove (603) is fixedly arranged on the top end surface of the outer shell (601).

5. A carrier according to claim 4, wherein: The top end surface of the transmission rod of the driving motor (604) is provided with a top plate (605), the bottom end surface of the top plate (605) is fixedly installed with a rotating ring (606), and the side of the rotating ring (606) is matched with the inner wall of the annular groove (603).

6. The derrick machine's guide wheel structure according to claim 1, characterized in that: The side of the mounting piece (1) is fixedly installed with a sliding block (10), the top end surface of the mounting piece (1) is fixedly installed with a mounting frame (3), a sliding groove (9) is fixedly arranged on the inner wall of the mounting frame (3), the inner wall of the sliding groove (9) is slidably connected with the side of the sliding block (10), a sliding groove (2) is fixedly arranged on the inner wall of the mounting piece (1), and the inner wall of the sliding groove (2) is slidably connected with the side of the installation plate (507).

7. A carrier according to claim 5, wherein: The top end surface of the top plate (605) is fixedly installed with a U-shaped block (7), and the inner wall of the U-shaped block (7) is rotatably installed with a guide wheel (8).

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