CN222630938U - Gantry lifting structure - Google Patents
Gantry lifting structure Download PDFInfo
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- CN222630938U CN222630938U CN202520218051.5U CN202520218051U CN222630938U CN 222630938 U CN222630938 U CN 222630938U CN 202520218051 U CN202520218051 U CN 202520218051U CN 222630938 U CN222630938 U CN 222630938U
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- linear guide
- guide rail
- lifting
- speed reducer
- lifting structure
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Abstract
一种龙门升降结构，其包括：支撑装置、驱动装置和升降装置，支撑装置包含立柱，立柱对称间隔设置并通过其上方对称设置的横梁连接起来，横梁间设有支撑杆，驱动装置设于支撑装置上方，驱动装置包含若干个减速机，减速机之间通过传动轴连接，升降装置设于支撑装置相向的一侧，升降装置包含竖直设于立柱内侧的直线导轨，直线导轨上滑动设有升降滑板，升降滑板靠近立柱的一侧连接设有传动丝杆，在本申请中，通过机械传动一拖二的升降方式，结合横梁与两立柱形成的龙门机构，在提高整体结构刚性的同时也免受了电控干扰，提升了两侧升降的同步性和精确性。
A gantry lifting structure comprises: a supporting device, a driving device and a lifting device, the supporting device comprises columns, the columns are symmetrically arranged at intervals and connected by beams symmetrically arranged above the columns, support rods are arranged between the beams, the driving device is arranged above the supporting device, the driving device comprises a plurality of reducers, the reducers are connected by a transmission shaft, the lifting device is arranged on the opposite side of the supporting device, the lifting device comprises a linear guide rail vertically arranged on the inner side of the column, a lifting slide plate is slidably provided on the linear guide rail, and a transmission screw is connected to the side of the lifting slide plate close to the column. In the present application, a one-to-two lifting mode of mechanical transmission is adopted, combined with a gantry mechanism formed by a beam and two columns, while improving the rigidity of the overall structure, it is also free from electrical control interference, thereby improving the synchronization and accuracy of lifting on both sides.
Description
Technical Field
The utility model relates to a gantry lifting structure, and belongs to the field of lifting mechanisms.
Background
In the field of industrial automation, gantry lifting structures are widely used in material handling, processing centers, automated warehouses, etc., which generally rely on precise vertical movement to perform their functions, such as lifting, lowering, or horizontally moving a load.
The traditional lifting structure adopts a double-driving system, and the configuration has some limitations, including poor synchronism, easy interference of an electric control system, complex structure, difficult maintenance and the like, so as to influence the performance of the cutting machine in high-precision and high-load application, for example, a door-shaped frame of a cutting machine disclosed in Chinese patent application No. CN202420084114.8, the lifting mechanism comprises a lifting driving motor, a screw rod, a nut seat, a vertical guide rail and a vertical sliding block, the driving motor is arranged at the upper end of a supporting upright post, and the lifting of the supporting base is realized through the cooperation of the nut seat arranged on the supporting base and the screw rod positioned at the output end of the driving motor. However, the lifting mechanism of the application adopts a double-motor driving system, and the configuration is complex in overall structure, high in cost and unfavorable for accurate control and swinging functions of loads because synchronism is difficult to ensure.
Disclosure of utility model
Aiming at the defects in the prior art, the utility model aims to provide a gantry lifting structure so as to solve the problems that the existing lifting mechanism is complex in structure and easy to be interfered by electric control.
In order to achieve the above purpose, the utility model is realized by the following technical scheme that the gantry lifting structure comprises:
The support device comprises upright posts which are symmetrically arranged at intervals and are connected through cross beams which are symmetrically arranged above the upright posts, and support rods are arranged between the cross beams;
The driving device is arranged above the supporting device and comprises a plurality of speed reducers which are connected through transmission shafts;
The lifting device is arranged on one opposite side of the supporting device, the lifting device comprises a linear guide rail vertically arranged on the inner side of the upright post, a lifting slide plate is arranged on the linear guide rail in a sliding mode, and a transmission screw rod is connected to one side, close to the upright post, of the lifting slide plate.
Further, 4 supporting rods are arranged between the cross beams, 2 of the supporting rods are symmetrically arranged at the middle position of the cross beam at certain intervals, and the other 2 of the supporting rods are respectively arranged at one side close to the stand column and keep a certain distance from the stand column.
Further, the supporting rods close to one side of the upright post are respectively provided with a bearing with a seat, and the supporting rods arranged in the middle of the cross beam are provided with a second speed reducer.
Further, the left end and the right end of the second speed reducer are provided with rigid couplings in an extending mode, the upright post is provided with a first speed reducer, the output end of the first speed reducer is provided with a first coupling, and the transmission shaft penetrates through the bearing with the base and the two ends of the transmission shaft are respectively connected with the rigid coupling and the first coupling.
Further, a first speed reducer is arranged above the upright post, a transmission screw rod is arranged in the first speed reducer, a screw rod nut seat is sleeved outside the transmission screw rod, and a screw rod nut is arranged on the screw rod nut seat.
Further, the upright post is in a concave shape, and a plurality of linear guide rail sliding blocks are arranged on the linear guide rail.
Further, one side of the lifting slide plate connected with the screw rod nut seat is of a grid structure, the lifting slide plate is fixedly locked with the linear guide rail slide block, and the linear guide rail slide block is in sliding connection with the linear guide rail.
Further, the linear guide rail is in sliding connection with the lifting slide plate through the 3 linear guide rail sliding blocks arranged on the linear guide rail, and the linear guide rail sliding blocks are consistent in interval and symmetrically distributed on the linear guide rail on the left side and the right side.
Further, the upright post and the cross beam are detachably connected, and the lifting device and the supporting device are detachably connected.
The beneficial effects of the utility model are as follows:
When a user uses the gantry lifting mechanism, the user only needs to place the needed goods on the lifting slide plate, then the driving device can be started to drive the second speed reducer to drive the transmission shaft to rotate, so that the first speed reducer positioned above the upright post moves, at the moment, the rotation of the transmission screw rod positioned at the inner side of the first speed reducer is converted into the vertical movement of the lifting slide plate through the screw rod nut and the screw rod nut seat, so that the accurate lifting of the load is realized.
Drawings
Other features, objects and advantages of the present utility model will become more apparent upon reading of the detailed description of non-limiting embodiments, given with reference to the accompanying drawings in which:
FIG. 1 is a schematic view of a gantry lifting structure according to the present utility model;
Fig. 2 is a schematic structural view of a driving screw.
The reference numerals are respectively 1, a supporting device, 2, a driving device, 3, a lifting device, 101, an upright post, 102, a cross beam, 103, a supporting rod, 201, a first speed reducer, 202, a second speed reducer, 203, a transmission shaft, 204, a bearing with a seat, 205, a rigid coupler, 206, a first coupler, 301, a linear guide rail, 302, a lifting slide plate, 303, a transmission screw, 304, a screw nut seat, 305, a screw nut, 306 and a linear guide rail slide block.
Detailed Description
The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.
Fig. 1 is a schematic structural view of a gantry lifting structure of the present utility model, and fig. 2 is a schematic structural view of a transmission screw.
As shown in fig. 1 and 2, the present utility model provides a gantry lifting structure, which includes:
The support device 1 comprises upright posts 101, wherein the upright posts 101 are symmetrically arranged at intervals and are connected through cross beams 102 symmetrically arranged above the upright posts, and support rods 103 are arranged between the cross beams 102;
The driving device 2 is arranged above the supporting device 1, the driving device 2 comprises a plurality of speed reducers, and the speed reducers are connected through a transmission shaft 203;
the lifting device 3, the lifting device 3 is located on one side opposite to the supporting device 1, the lifting device 3 comprises a linear guide rail 301 vertically arranged on the inner side of the upright post 101, a lifting slide plate 302 is slidably arranged on the linear guide rail 301, and a transmission screw rod 303 is connected to one side, close to the upright post 101, of the lifting slide plate 302.
In order to improve the overall rigidity and stability of the gantry structure, 4 support rods 103 are arranged between the beams 102, 2 of the support rods 103 are symmetrically arranged at the middle position of the beam 102 at certain intervals, and the other 2 support rods are respectively arranged at one side close to the upright post 101 and keep a certain distance from the upright post 101.
In order to ensure the efficient operation of the driving device, the supporting rods 103 near one side of the upright post 101 are respectively provided with a bearing 204 with a seat, and the supporting rods 103 arranged in the middle of the beam 102 are provided with a second speed reducer 202.
In order to ensure effective power transmission, the left end and the right end of the second speed reducer 202 are provided with rigid couplings 205 in an extending manner, the upright post 101 is provided with a first speed reducer 201, the output end of the first speed reducer 201 is provided with a first coupling 206, and the transmission shaft 203 passes through the bearing 204 with a seat and the two ends of the transmission shaft are respectively connected with the rigid couplings 205 and the first coupling 206.
In order to realize stable operation of the lifting device, a first speed reducer 201 is arranged above the upright post 101, a transmission screw rod 303 is arranged in the first speed reducer 201, a screw rod nut seat 304 is sleeved outside the transmission screw rod 303, and a screw rod nut 305 is arranged on the screw rod nut seat 304.
In order to enhance the stability of the structure and improve the positioning accuracy of the slide plate, the upright post 101 is in a concave shape, and the linear guide rail 301 is provided with a plurality of linear guide rail sliding blocks 306.
In order to reduce driving energy consumption and ensure stable lifting of load, one side of the lifting slide plate 302 connected with the screw nut seat 304 is of a grid structure, the lifting slide plate 302 is fixedly locked with the linear guide rail slide block 306, and the linear guide rail slide block 306 is in sliding connection with the linear guide rail 301.
In order to balance the load and improve the running efficiency of the equipment, the linear guide rail 301 is slidably connected with the lifting slide plate 302 through the 3 linear guide rail sliding blocks 306 arranged on the linear guide rail 301, and the linear guide rail sliding blocks 306 are uniformly spaced and symmetrically distributed on the left side and the right side.
In order to facilitate disassembly and maintenance, the upright post 101 and the cross beam 102 are detachably connected, and the lifting device 3 and the supporting device 1 are detachably connected.
When a user uses a gantry lifting mechanism, the user only needs to place required goods on the lifting slide plate 302, then the driving device 2 can be started, the core component of the driving device 2 is a second speed reducer 202, the second speed reducer 202 is connected with the transmission shaft 203 through a rigid coupler 205, when the second speed reducer 202 is started, the output power is transmitted to the transmission shaft 203 through the rigid coupler 205, the transmission shaft 203 passes through the belt seat bearing 204 and extends to the first speed reducer 201 above the upright post 101, two ends of the transmission shaft 203 are respectively connected with the rigid coupler 205 and the first coupler 206, so that the power is transmitted to the first speed reducer 201, the first speed reducer 201 further reduces the rotating speed and increases the torque, the transmission screw 303 can stably rotate, the output end of the first speed reducer 201 is connected with the transmission screw 303, a screw nut seat 304 and a screw nut 305 are sleeved outside the transmission screw nut 303, when the transmission screw nut 303 rotates, the screw nut seat 304 moves axially along the transmission screw nut 303 under the constraint of the transmission screw nut seat 304, the screw nut seat is connected with the lifting slide plate 302, and is combined with a linear guide rail 306 connected with the lifting slide plate 302, and the linear guide rail 302 is further driven by the lifting guide rail 302 to move along the upper side of the lifting slide plate 302 and the two sides of the electric control mechanism, and the two sides of the lifting mechanism are more convenient to form a synchronous maintenance structure.
In the application, the lifting slide plate 302 is in sliding connection with the linear guide rail 301 through the linear guide rail slide blocks 306, the design of the linear guide rail 301 ensures the stability and the precision of the lifting slide plate 302 in the vertical movement process, meanwhile, the lateral offset caused by the rotation motion is avoided, the linear guide rail slide blocks 306 are uniformly spaced and symmetrically distributed on the linear guide rails 301 at the left side and the right side, and the motion stability of the lifting slide plate 302 is further improved.
When the application needs to be maintained and overhauled, a worker can periodically check the connection condition of the upright post 101, the cross beam 102, the support 103 and the linear guide rail 301 to ensure the stability and the safety of the structure, can also timely replace worn or damaged parts by judging the operation condition among the first speed reducer 201, the second speed reducer 202, the transmission shaft 203, the rigid coupling 205 and the first coupling 206, and can also periodically clean and lubricate the screw nut 305 and the linear guide rail 301 to ensure the smooth movement of the lifting slide plate 302.
The present application includes a rigid coupling 205 and a first coupling 206, wherein the rigid coupling 205 is made of metal, can bear high torque for ensuring the substantivity and accuracy of power transmission, but does not have an elastic supplement function, and the first coupling 206 allows certain displacement or elastic deformation to compensate the misalignment of a shaft or absorb vibration so as to provide certain buffering and vibration reduction effects.
While the fundamental and principal features of the utility model and advantages of the utility model have been shown and described, it will be apparent to those skilled in the art that the utility model is not limited to the details of the foregoing exemplary embodiments, but may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (9)
1. The gantry lifting structure is characterized by comprising:
The support device (1), the support device (1) comprises upright posts (101), the upright posts (101) are symmetrically arranged at intervals and are connected through cross beams (102) symmetrically arranged above the upright posts, and support rods (103) are arranged between the cross beams (102);
the driving device (2) is arranged above the supporting device (1), the driving device (2) comprises a plurality of speed reducers, and the speed reducers are connected through a transmission shaft (203);
Lifting device (3), lifting device (3) locate one side in opposite directions of strutting arrangement (1), lifting device (3) contain and vertically locate linear guide (301) of stand (101) inboard, slide on linear guide (301) and be equipped with lift slide (302), one side that lift slide (302) are close to stand (101) is connected and is equipped with transmission lead screw (303).
2. The gantry lifting structure of claim 1, wherein 4 supporting rods (103) are arranged between the beams (102), 2 of the supporting rods (103) are symmetrically arranged at the middle position of the beams (102) at a certain interval, and the other 2 supporting rods are respectively arranged at one side close to the upright post (101) and keep a certain distance from the upright post (101).
3. The gantry lifting structure of claim 2, wherein the supporting rods (103) near one side of the upright post (101) are respectively provided with a bearing (204) with a seat, and the supporting rods (103) arranged in the middle of the cross beam (102) are provided with a second speed reducer (202).
4. The gantry lifting structure of claim 3, wherein the left end and the right end of the second speed reducer (202) are provided with rigid couplings (205) in an extending mode, the upright post (101) is provided with a first speed reducer (201), the output end of the first speed reducer (201) is provided with a first coupling (206), the transmission shaft (203) penetrates through the bearing with seat (204), and the two ends of the transmission shaft are respectively connected with the rigid couplings (205) and the first coupling (206).
5. The gantry lifting structure of claim 1, wherein a first speed reducer (201) is arranged above the upright post (101), a transmission screw rod (303) is arranged in the first speed reducer (201), a screw rod nut seat (304) is sleeved outside the transmission screw rod (303), and a screw rod nut (305) is arranged on the screw rod nut seat (304).
6. The gantry lifting structure of claim 1, wherein the upright (101) is in a concave shape, and the linear guide rail (301) is provided with a plurality of linear guide rail sliding blocks (306).
7. The gantry lifting structure of claim 6, wherein one side of the lifting slide plate (302) connected with the screw nut seat (304) is of a grid structure, the lifting slide plate (302) is fixedly locked with the linear guide rail sliding block (306), and the linear guide rail sliding block (306) is in sliding connection with the linear guide rail (301).
8. The gantry lifting structure of claim 7, wherein the linear guide rail (301) is slidably connected with the lifting slide plate (302) through 3 linear guide rail sliding blocks (306) arranged on the linear guide rail, and the linear guide rail sliding blocks (306) are uniformly spaced and symmetrically distributed on the linear guide rail (301) at the left side and the right side.
9. The gantry lifting structure of claim 1, wherein the upright (101) and the cross beam (102) are detachably connected, and the lifting device (3) and the supporting device (1) are detachably connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202520218051.5U CN222630938U (en) | 2025-02-12 | 2025-02-12 | Gantry lifting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202520218051.5U CN222630938U (en) | 2025-02-12 | 2025-02-12 | Gantry lifting structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222630938U true CN222630938U (en) | 2025-03-18 |
Family
ID=94929436
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202520218051.5U Active CN222630938U (en) | 2025-02-12 | 2025-02-12 | Gantry lifting structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN222630938U (en) |
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2025
- 2025-02-12 CN CN202520218051.5U patent/CN222630938U/en active Active
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