Revolving seat of truck-mounted crane

Abstract

The utility model discloses a truck-mounted crane revolving seat, which relates to the technical field of truck-mounted crane revolving devices, and comprises a support bottom plate, a revolving component is arranged at the top of the support bottom plate, a positioning component is arranged outside the revolving component, the positioning component comprises a protective sleeve, and a mounting frame is arranged on the inner wall of the top of the protective sleeve. A lead screw is arranged in the middle of one side of the mounting frame, a driving motor is arranged at one end of the lead screw, a sliding block is arranged outside the lead screw, and a positioning insertion plate is arranged on the side face of the sliding block. According to the utility model, the rotating seat and the rotary base are positioned and connected through the positioning assembly, and the lead screw is driven to rotate through the driving motor, so that the sliding block drives the positioning insertion plate to move towards the rotating seat along the lead screw, and the positioning insertion plate is inserted into the insertion groove in the outer wall of the rotating seat; and therefore, positioning connection of the rotating base and the supporting bottom plate is achieved, manual positioning of workers is not needed, and the use convenience of the device is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of slewing devices of truck cranes, in particular to a slewing seat of a truck crane. Background Art

[0002] A truck-mounted crane is a device that uses a hydraulic lifting and telescopic system to achieve the lifting, rotation, and lifting of goods. It is usually installed on a truck. The slewing mechanism of the truck-mounted crane mainly uses a hydraulic system and a mechanical structure to achieve the rotation and positioning of the goods. The hydraulic system provides power and delivers hydraulic oil to the slewing mechanism through an oil pump to drive the slewing bearing to rotate.

[0003] After searching, the patent of China Utility Model Authorization Announcement No. CN213707568U is found. This utility model discloses a high-safety performance truck crane slewing mechanism, whose structure includes an automatic fixing device, a fixed column, a base, a truck crane slewing arm, a hook, a fixed pulley, a tension rope, a winding frame, and a servo motor. The automatic fixing device is installed inside the base, the top of the base is vertically connected to the bottom of the fixed column, the right end of the servo motor is vertically connected to the left end of the winding frame, the bottom of the winding frame is vertically connected to the top of the right end of the truck crane slewing arm, the bottom of the truck crane slewing arm is welded to the top of the fixed column, a fixed pulley is provided at the left end of the truck crane slewing arm, one end of the tension rope is wrapped around the side of the winding frame, and the other end passes around the fixed pulley and is connected to the top of the hook. An automatic fixing device is added, which can automatically fix. This will reduce the workload of the staff.

[0004] The above device can automatically fix the swivel seat of the truck crane, reducing the workload of the staff. However, the use of threaded engagement fixation results in a long fixation time, which is not conducive to the rapid transfer of the truck crane. Therefore, it is necessary to provide a swivel seat of the truck crane to solve the above problem. Utility Model Content

[0005] The main purpose of the utility model is to provide a slewing seat for a truck crane, which can effectively solve the problems in the background technology.

[0006] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0007] A slewing seat of a truck-mounted crane comprises a supporting base plate, a slewing assembly is provided on the top of the supporting base plate, and a positioning assembly is provided on the outside of the slewing assembly;

[0008] The slewing assembly includes a slewing base, a rotating base is provided on the top of the slewing base, a motor is provided inside the slewing base, a driving gear is provided on the top of the motor, and a driven gear is provided on the side of the driving gear, a truck crane connecting seat is provided on the top of the slewing base, and a support arm is provided in the middle of the truck crane connecting seat;

[0009] The positioning assembly includes a protective sleeve, a mounting ear plate is provided at the bottom of the protective sleeve, and a mounting bracket is provided on the top inner wall of the protective sleeve, a screw rod is provided in the middle of one side of the mounting bracket, and a drive motor is provided at one end of the screw rod, a sliding block is provided on the outside of the screw rod, and a positioning plug plate is provided on the side of the sliding block.

[0010] Preferably, the bottom of the slewing base is mounted on the top middle of the supporting base plate by bolts, and a motor is mounted on the bottom inner wall of the slewing base by bolts, the motor is located on one side of the interior of the slewing base, and the output end of the motor is transmission-connected to a driving gear, a driven gear is mounted on the side of the driving gear, and the driven gear and the driving gear are meshed with each other.

[0011] Preferably, a rotating seat is clamped in the middle of the driven gear, and the rotating seat sleeve is arranged on the outside of the rotating base. The rotating seat is rotatably connected to the rotating base. A truck crane connecting seat is installed in the middle of the top of the rotating seat through bolts, and a support arm is rotatably connected to the middle of the top of the truck crane connecting seat.

[0012] Preferably, the protective sleeve is clamped on the outside of the rotating seat, and the protective sleeve is arranged in an arc shape. A mounting ear plate is fixedly connected to the bottom outer wall of the protective sleeve, and the mounting ear plate is installed on the top of the supporting base plate by bolts. The top inner wall of the protective sleeve is rotatably connected to the outer wall of the rotating seat. There are two protective sleeves, which are symmetrically distributed on both sides of the rotating seat.

[0013] Preferably, a mounting bracket is installed on the top inner wall of the protective sleeve by bolts, and the mounting bracket is arranged corresponding to the protective sleeve, an ear plate is fixedly connected to one side of the top of the mounting bracket, and the ear plate is connected to the protective sleeve by bolts, the mounting bracket is located in the middle of the top of the protective sleeve, and a screw rod is installed in the middle of the mounting bracket through a bearing, one end of the screw rod passes through the protective sleeve through the bearing, a driving motor is installed on the outer wall of the protective sleeve by bolts, and the output end of the driving motor is transmission-connected to the screw rod.

[0014] Preferably, a sliding block is sleeved on the outer wall of the screw rod, and the sliding block is slidably connected to the middle of the mounting bracket, a through slot is opened in the middle of the side wall of the mounting bracket, and a positioning plug-in plate is slidably connected to the middle of the through slot, the positioning plug-in plate is fixedly connected to the sliding block, and there are two positioning plug-ins, which are symmetrically distributed on both sides of the sliding block, one end of the positioning plug-in plate away from the sliding block contacts the outer wall of the rotating seat, and a plug-in slot is opened on the outer wall of the rotating seat, and the positioning plug-in plate is plugged into the inside of the plug-in slot.

[0015] Compared with the prior art, the present invention has the following beneficial effects:

[0016] The cam is moved along the guide rails to move along the guide rails, and the cam is moved along the guide rails to move along the guide rails, so that the cam can move relative to the support rails, thereby realizing the positioning connection between the cam and the support rail. The cam is moved along the guide rails to move relative to the support rails, and the cam can move relative to the support rails. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic structural diagram of the entire device of the utility model;

[0018] Figure 2 This is a schematic diagram of the structure of the device of the utility model;

[0019] Figure 3 It is a structural diagram of the rotary assembly of the utility model;

[0020] Figure 4 It is a structural diagram of the positioning component of the utility model.

[0021] In the figure: 1. Support base plate; 2. Rotary assembly; 3. Rotary base; 4. Rotating seat; 5. Truck crane connecting seat; 6. Support arm; 7. Motor; 8. Driving gear; 9. Driven gear; 10. Positioning assembly; 11. Protective cover; 12. Mounting ear plate; 13. Mounting bracket; 14. Driving motor; 15. Screw; 16. Sliding block; 17. Ear plate; 18. Positioning plug plate; 19. Connecting slot; 20. Through slot. DETAILED DESCRIPTION

[0022] In order to make the technical means, creative features, objectives and effects achieved by the present invention easier to understand, the present invention is further described below in conjunction with specific implementation methods.

[0023] See also Figure 1 、 Figure 2 、 Figure 3 As shown, a slewing seat of a truck crane includes a supporting base plate 1, a slewing assembly 2 is provided on the top of the supporting base plate 1, and a positioning assembly 10 is provided on the outside of the slewing assembly 2;

[0024] The slewing assembly 2 includes a slewing base 3, a rotating base 4 is provided on the top of the slewing base 3, and a motor 7 is provided inside the slewing base 3, a driving gear 8 is provided on the top of the motor 7, and a driven gear 9 is provided on the side of the driving gear 8, a truck crane connection seat 5 is provided on the top of the slewing base 3, and a support arm 6 is provided in the middle of the truck crane connection seat 5, the bottom of the slewing base 3 is installed in the middle of the top of the supporting base plate 1 by bolts, and the motor 7 is installed on the inner wall of the bottom of the slewing base 3 by bolts. The motor 7 is located on one side of the inner part of the rotary base 3, and the output end of the motor 7 is connected to the driving gear 8. A driven gear 9 is installed on the side of the driving gear 8, and the driven gear 9 and the driving gear 8 are meshed with each other. The middle of the driven gear 9 is clamped with a rotating seat 4, and the rotating seat 4 is sleeved on the outside of the rotary base 3. The rotating seat 4 is rotatably connected to the rotary base 3. A truck crane connecting seat 5 is installed in the middle of the top of the rotating seat 4 by bolts, and the top middle of the truck crane connecting seat 5 is rotatably connected to the support arm 6;

[0025] See also Figure 1 、 Figure 2 、 Figure 4As shown, the positioning assembly 10 includes a protective sleeve 11, a mounting ear plate 12 is provided at the bottom of the protective sleeve 11, and a mounting bracket 13 is provided on the top inner wall of the protective sleeve 11, a screw rod 15 is provided in the middle of one side of the mounting bracket 13, and a drive motor 14 is provided at one end of the screw rod 15, a sliding block 16 is provided on the outside of the screw rod 15, and a positioning plug plate 18 is provided on the side of the sliding block 16, the protective sleeve 11 is clamped on the outside of the rotating seat 4, and the protective sleeve 11 is arranged in an arc shape, the mounting ear plate 12 is fixedly connected to the bottom outer wall of the protective sleeve 11, and the mounting ear plate 12 is installed on the top of the supporting base plate 1 by bolts, and the protective sleeve 1 1 is rotatably connected to the outer wall of the rotating seat 4. There are two protective sleeves 11, which are symmetrically distributed on both sides of the rotating seat 4. A mounting bracket 13 is installed on the top inner wall of the protective sleeve 11 by bolts, and the mounting bracket 13 is corresponding to the protective sleeve 11. An ear plate 17 is fixedly connected to one side of the top of the mounting bracket 13, and the ear plate 17 is connected to the protective sleeve 11 by bolts. The mounting bracket 13 is located in the middle of the top of the protective sleeve 11, and a screw rod 15 is installed in the middle of the mounting bracket 13 through a bearing. One end of the screw rod 15 passes through the protective sleeve 11 through a bearing. A drive motor 14 is installed on the outer wall of the protective sleeve 11 by bolts, and the drive motor 14 is installed The output end of the driving motor 14 is transmission-connected to the screw rod 15. A sliding block 16 is sleeved on the outer wall of the screw rod 15, and the sliding block 16 is slidably connected to the middle of the mounting frame 13. A through slot 20 is provided in the middle of the side wall of the mounting frame 13, and a positioning plug-in plate 18 is slidably connected to the middle of the through slot 20. The positioning plug-in plate 18 is fixedly connected to the sliding block 16, and there are two positioning plug-ins 18, which are symmetrically distributed on both sides of the sliding block 16. One end of the positioning plug-in plate 18 away from the sliding block 16 contacts the outer wall of the rotating seat 4, and a plug-in slot 19 is provided on the outer wall of the rotating seat 4. The positioning plug-in plate 18 is plugged into the inside of the plug-in slot 19. By setting The positioning assembly 10 is provided to realize the positioning connection between the rotating seat 4 and the rotary base 3. The provided driving motor 14 drives the screw rod 15 to rotate, so that the sliding block 16 drives the positioning plug plate 18 to move along the screw rod 15 toward the direction of the rotating seat 4, so that the positioning plug plate 18 is inserted into the insertion groove 19 on the outer wall of the rotating seat 4, thereby realizing the positioning connection between the rotating seat 4 and the supporting base plate 1, without the need for manual positioning by the staff, improving the convenience of use of the device, and the provided protective cover 11 is provided on the outside of the rotating seat 4 and the rotary base 3, thereby realizing protection of the rotating assembly 2 and improving the practicality of the device.

[0026] It should be noted that the present invention is a slewing seat for a truck-mounted crane. When in use, the mounting ear plate 12 at the bottom of the protective cover 11 is mounted on the top of the supporting base plate 1 by bolts. The top inner wall of the protective cover 11 contacts the outer wall of the rotating seat 4. The mounting bracket 13 is connected to the top inner wall of the protective cover 11 through the ear plate 17. The screw rod 15 is driven to rotate by the provided driving motor 14, so that the sliding block 16 drives the positioning plug plate 18 to slide along the screw rod 15 toward the direction of the rotating seat 4, so that the end of the positioning plug plate 18 close to the sliding block 16 slides inside the through groove 20 in the middle of the mounting bracket 13, and the end of the positioning plug plate 18 away from the sliding block 16 is plugged into the rotating seat. 4, thereby realizing the positioning connection between the rotating seat 4 and the supporting base plate 1, preventing the rotating seat 4 from rotating when not in use, affecting the stability of use. When in use, the driving motor 14 drives the screw rod 15 to rotate in the opposite direction, and the sliding block 16 drives the positioning plug plate 18 to move to the side away from the rotating seat 4. The positioning plug plate 18 is separated from the plug slot 19, and then the driving gear 8 is driven by the provided motor 7 to rotate. The driving gear 8 and the driven gear 9 are engaged with each other, so that the driven gear 9 drives the rotating seat 4 to rotate. The top of the rotating seat 4 is installed with a truck crane connecting seat 5 and a support arm 6. The installation of the truck crane is achieved through the provided truck crane connecting seat 5.

[0027] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are merely illustrative of the principles of the present invention. Various changes and improvements may be made to the present invention without departing from the spirit and scope of the present invention. Such changes and improvements are intended to fall within the scope of the present invention. The scope of protection claimed in this invention is defined by the appended claims and their equivalents.

Claims

1. A slewing seat of a truck crane, comprising a supporting base plate (1), characterized in that: A rotary assembly (2) is provided on the top of the supporting base plate (1), and a positioning assembly (10) is provided outside the rotary assembly (2); The slewing assembly (2) includes a slewing base (3), a rotating base (4) is provided on the top of the slewing base (3), a motor (7) is provided inside the slewing base (3), a driving gear (8) is provided on the top of the motor (7), and a driven gear (9) is provided on the side of the driving gear (8), a truck crane connecting seat (5) is provided on the top of the slewing base (3), and a support arm (6) is provided in the middle of the truck crane connecting seat (5); The positioning assembly (10) includes a protective sleeve (11), a mounting ear plate (12) is provided at the bottom of the protective sleeve (11), and a mounting frame (13) is provided on the top inner wall of the protective sleeve (11), a screw rod (15) is provided in the middle of one side of the mounting frame (13), and a driving motor (14) is provided at one end of the screw rod (15), a sliding block (16) is provided outside the screw rod (15), and a positioning plug plate (18) is provided on the side of the sliding block (16).

2. The slewing seat of a truck-mounted crane according to claim 1, characterized in that: The bottom of the rotary base (3) is mounted on the top middle of the supporting base plate (1) by means of bolts, and a motor (7) is mounted on the inner wall of the bottom of the rotary base (3) by means of bolts. The motor (7) is located on one side of the interior of the rotary base (3), and the output end of the motor (7) is connected to a driving gear (8) by means of a transmission. A driven gear (9) is mounted on the side of the driving gear (8), and the driven gear (9) and the driving gear (8) are meshed with each other.

3. The slewing seat of a truck-mounted crane according to claim 2, characterized in that: A rotating seat (4) is clamped in the middle of the driven gear (9), and the rotating seat (4) is sleeved on the outside of the rotary base (3). The rotating seat (4) is rotatably connected to the rotary base (3). A truck crane connecting seat (5) is installed in the middle of the top of the rotating seat (4) through bolts, and a support arm (6) is rotatably connected to the middle of the top of the truck crane connecting seat (5).

4. The slewing seat of a truck-mounted crane according to claim 1, characterized in that: The protective sleeve (11) is clamped on the outside of the rotating seat (4), and the protective sleeve (11) is arranged in an arc shape. A mounting ear plate (12) is fixedly connected to the bottom outer wall of the protective sleeve (11), and the mounting ear plate (12) is installed on the top of the supporting base plate (1) by bolts. The top inner wall of the protective sleeve (11) is rotatably connected to the outer wall of the rotating seat (4). There are two protective sleeves (11), which are symmetrically distributed on both sides of the rotating seat (4).

5. The slewing seat of a truck-mounted crane according to claim 4, characterized in that: A mounting frame (13) is mounted on the inner wall of the top of the protective sleeve (11) by means of bolts, and the mounting frame (13) is arranged correspondingly to the protective sleeve (11), a lug plate (17) is fixedly connected to one side of the top of the mounting frame (13), and the lug plate (17) is connected to the protective sleeve (11) by means of bolts, the mounting frame (13) is located in the middle of the top of the protective sleeve (11), and a screw rod (15) is mounted in the middle of the mounting frame (13) by means of a bearing, one end of the screw rod (15) passes through the protective sleeve (11) by means of a bearing, a driving motor (14) is mounted on the outer wall of the protective sleeve (11) by means of bolts, and an output end of the driving motor (14) is transmission-connected to the screw rod (15).

6. The slewing seat of a truck-mounted crane according to claim 5, characterized in that: A sliding block (16) is sleeved on the outer wall of the screw rod (15), and the sliding block (16) is slidably connected to the middle of the mounting frame (13). A through groove (20) is opened in the middle of the side wall of the mounting frame (13), and a positioning plug plate (18) is slidably connected to the middle of the through groove (20). The positioning plug plate (18) is fixedly connected to the sliding block (16), and there are two positioning plug plates (18), which are symmetrically distributed on both sides of the sliding block (16). The end of the positioning plug plate (18) away from the sliding block (16) contacts the outer wall of the rotating seat (4), and a plug-in groove (19) is opened on the outer wall of the rotating seat (4), and the positioning plug plate (18) is plugged into the inside of the plug-in groove (19).

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