Leveling mechanism and electric transfer cart
By incorporating a leveling mechanism on the operating table, including a top frame, bottom frame, push rod, horizontal adjustment and limiting mechanism, and using gas springs and pull ropes for control, the problem of unevenness in the operating table surface is solved, enabling precise adjustment and positioning of the table surface.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- HEYER MEDICAL CO LTD
- Filing Date
- 2025-07-03
- Publication Date
- 2026-06-23
AI Technical Summary
The existing operating table has a problem with uneven horizontal alignment when the tabletop and the column are separated, resulting in an uneven operating table.
The system employs a leveling mechanism, including a top frame, a bottom frame, a push rod, a leveling adjustment mechanism, and a leveling limit mechanism. The leveling and positioning of the tabletop are controlled by a gas spring and a pull rope.
The horizontal adjustment and positioning of the operating table surface were achieved, ensuring that the table surface was flat during docking and improving the accuracy of the operating table.
Smart Images

Figure CN224387688U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of medical equipment technology, specifically a leveling mechanism and an electric transfer vehicle. Background Technology
[0002] When the operating table and the column are separated into two systems, the table can be transferred by an electric transfer cart. During the docking process, the transfer cart must be level with the table to complete the docking. Although current operating tables have a horizontal reset function, there will always be some angular deviation, resulting in the operating table not being flat enough. Utility Model Content
[0003] The purpose of this invention is to overcome the shortcomings of existing technologies by proposing a leveling mechanism and an electric transfer cart. This leveling mechanism can achieve horizontal adjustment and positioning during the docking of the operating table.
[0004] To achieve the above objectives, the present invention adopts the following technical solution:
[0005] A leveling mechanism includes a top frame, a bottom frame, and a push rod;
[0006] The top frame includes a top side rod and a top cross rod, with a top side rod connected to each end of the top cross rod;
[0007] The bottom frame includes bottom side bars and bottom cross bars, with a bottom side bar connected to each end of the bottom cross bar;
[0008] One top side rod corresponds to one bottom side rod, and the top side rod and the bottom side rod are connected by a support rod; the support rod is fixedly connected to the bottom side rod, and the support rod is hinged to the top side rod.
[0009] The two ends of the push rod are connected to the top side rod;
[0010] A horizontal adjustment mechanism and a horizontal limit mechanism are installed between the top crossbar and the bottom crossbar;
[0011] The push rod is equipped with a horizontal adjustment control handle and a horizontal limit control handle;
[0012] The horizontal adjustment control handle is used to control the horizontal adjustment mechanism, and the horizontal limit control handle is used to control the horizontal limit mechanism.
[0013] Preferably, the leveling mechanism includes a switch plate, a gas spring, an outer sleeve, an adjusting guide ring, and an inner sleeve; the switch plate is used to control the start and stop of the gas spring, the gas spring is disposed inside the outer sleeve and the inner sleeve, one end of which is connected to the outer sleeve and the other end of which is connected to the inner sleeve; the adjusting guide ring is disposed between the outer sleeve and the inner sleeve and is used to guide the sliding between the outer sleeve and the inner sleeve.
[0014] Preferably, the horizontal adjustment control handle is connected to the switch plate via an adjustment control rope, and the start and stop control of the gas spring is achieved by pulling the limit control rope to drive the switch plate.
[0015] Preferably, there are multiple adjusting guide rings, which are evenly distributed along the circumference of the outer sleeve and the inner sleeve.
[0016] Preferably, the horizontal limiting mechanism includes an outer cylinder, an inner cylinder, a limiting guide ring, and a positioning control component; the limiting guide ring is disposed between the outer cylinder and the inner cylinder to guide the sliding between the outer cylinder and the inner cylinder; the positioning control component includes a housing, a positioning post, a spring, a reversing plate, a sliding post, and a limiting control rope to position the relative position of the outer cylinder and the inner cylinder; the positioning post slides through the outer cylinder and the inner cylinder, one end of the positioning post is inserted into the positioning hole of the inner cylinder, and the other end is connected to the spring and the reversing plate; one end of the spring is connected to the positioning post, and the other end is connected to the housing; the reversing plate is L-shaped, with one end of the L-shaped reversing plate connected to the spring and the positioning post, and the other end connected to the sliding post, and the middle is rotatably connected to the housing; the sliding post is connected to the limiting control rope to control the movement of the reversing plate.
[0017] Preferably, the horizontal limit control handle is connected to the sliding column via a limit control rope.
[0018] Preferably, there are multiple limiting guide rings, which are evenly distributed along the circumference of the outer and inner cylinders.
[0019] Preferably, the horizontal adjustment mechanism and the horizontal limiting mechanism are connected to the top crossbar and the bottom crossbar via hinges and hinge supports.
[0020] This utility model also provides an electric transfer vehicle, which includes the leveling mechanism described above.
[0021] Compared with the prior art, the present invention has the following technical advantages: Attached Figure Description
[0022] Figure 1 This is a structural schematic diagram of the electric transfer vehicle of this utility model;
[0023] Figure 2 This is a rear side view of the electric transfer vehicle of this utility model;
[0024] Figure 3 This is a schematic diagram of the horizontal adjustment mechanism;
[0025] Figure 4 This is a schematic diagram of the horizontal limiting mechanism;
[0026] Figure 5 This is a schematic diagram of the guide ring structure;
[0027] Figure Labels
[0028] 1 is the top side rod, 2 is the top cross rod, 3 is the bottom side rod, 4 is the bottom cross rod, 5 is the support rod, 6 is the push rod, 7 is the horizontal adjustment mechanism, 8 is the horizontal limit mechanism, 9 is the horizontal adjustment control handle, and 10 is the horizontal limit control handle.
[0029] 7-1 is the switch plate, 7-2 is the gas spring, 7-3 is the outer sleeve, 7-4 is the guide ring, 7-5 is the inner sleeve, and 7-6 is the adjustment control pull rope;
[0030] 8-1 is the outer cylinder, 8-2 is the inner cylinder, 8-3 is the limit guide ring, 8-4 is the positioning post, 8-5 is the spring, 8-6 is the reversing plate, 8-7 is the sliding post, 8-8 is the limit control pull rope, and 8-9 is the mounting base. Detailed Implementation
[0031] The technical solution of this utility model will be described in detail below with reference to the accompanying drawings and embodiments.
[0032] Example 1
[0033] like Figure 1-2 As shown, an electric transfer vehicle includes a leveling mechanism, which includes a top frame, a bottom frame, and a push rod 6.
[0034] The top frame includes a top side rod 1 and a top cross rod 2, with each end of the top cross rod 2 connected to a top side rod 1;
[0035] The bottom frame includes bottom side rods 3 and bottom cross rods 4, with a bottom side rod 3 connected to each end of the bottom cross rod 4;
[0036] One top side rod 1 corresponds to one bottom side rod 3 and the top side rod 1 and the bottom side rod 3 are connected by a support rod 5; the support rod 5 is fixedly connected to the bottom side rod 3 and hinged to the top side rod 1.
[0037] The two ends of the push rod 6 are connected to the top side rod 1;
[0038] A horizontal adjustment mechanism 7 and a horizontal limiting mechanism 8 are provided between the top horizontal bar 2 and the bottom horizontal bar 4;
[0039] The push rod 6 is equipped with a horizontal adjustment control handle 9 and a horizontal limit control handle 10;
[0040] The horizontal adjustment control handle 9 is used to control the horizontal adjustment mechanism 7, and the horizontal limit control handle 10 is used to control the horizontal limit mechanism 8.
[0041] like Figure 3As shown, the horizontal adjustment mechanism 7 includes a switch plate 7-1, a gas spring 7-2, an outer sleeve 7-3, an adjusting guide ring 7-4, and an inner sleeve 7-5. The switch plate 7-1 is used to control the start and stop of the gas spring 7-2. The gas spring 7-2 is disposed inside the outer sleeve 7-3 and the inner sleeve 7-5, with one end connected to the outer sleeve 7-3 and the other end connected to the inner sleeve 7-5. The adjusting guide ring 7-4 is disposed between the outer sleeve 7-3 and the inner sleeve 7-5 and is used to guide the sliding between the outer sleeve 7-3 and the inner sleeve 7-5.
[0042] The horizontal adjustment control handle 9 is connected to the switch piece 7-1 via the adjustment control pull rope 7-6. By pulling the limit control pull rope 7-6, the switch piece 7-1 is driven to control the start and stop of the gas spring 7-2.
[0043] There are two adjusting guide rings 7-4. The adjusting guide rings are evenly distributed around the outer sleeve 7-3 and the inner sleeve 7-5. The adjusting guide rings are sleeved on the inner sleeve and play a supporting and guiding role.
[0044] like Figure 4 As shown, the horizontal limiting mechanism 8 includes an outer cylinder 8-1, an inner cylinder 8-2, a limiting guide ring 8-3, and a positioning control component; the limiting guide ring 8-3 is disposed between the outer cylinder 8-1 and the inner cylinder 8-2, and is used to guide the sliding between the outer cylinder 8-1 and the inner cylinder 8-2; the positioning control component includes a mounting base 8-9, a positioning post 8-4, a spring 8-5, a reversing plate 8-6, a sliding post 8-7, and a limiting control pull rope 8-8, and is used to position the relative position of the outer cylinder 8-1 and the inner cylinder 8-2; the positioning post 8-4 slides through the outer cylinder 8-1. 1. The inner cylinder 8-2 is connected to the reversing plate 8-6. One end of the positioning pin 8-4 is inserted into the positioning hole of the inner cylinder 8-2, and the other end is connected to the spring 8-5 and the reversing plate 8-6. One end of the spring 8-5 is connected to the positioning pin 8-4, and the other end is connected to the mounting base 8-9. The reversing plate 8-6 is L-shaped. One end of the L-shaped reversing plate 8-6 is connected to the spring 8-5 and the positioning pin 8-4, and the other end is connected to the sliding pin 8-7. The middle part is rotatably connected to the mounting base 8-9. The sliding pin 8-7 is connected to the limit control pull rope 8-8 and is used to control the movement of the reversing plate 8-6.
[0045] The horizontal limit control handle 10 is connected to the sliding column 8-7 via the limit control pull rope 8-8.
[0046] There are two limiting guide rings 8-3. The limiting guide rings are evenly distributed around the outer cylinder 8-1 and the inner cylinder 8-2. The limiting guide rings are sleeved on the inner cylinder and play a supporting and guiding role.
[0047] The two ends of the horizontal adjustment mechanism 7 are connected to the top horizontal bar 2 and the bottom horizontal bar 4 by means of hinges and hinge supports or pins.
[0048] The two ends of the horizontal limiting mechanism 8 are connected to the top horizontal bar 2 and the bottom horizontal bar 4 by means of hinges and hinge supports or pins.
[0049] In this embodiment, each pull rope is made of stainless steel wire rope, which has high strength and wear resistance. The wire rope is covered by an outer sleeve, and the wire rope slides inside the outer sleeve without rubbing or scratching against the mechanical structure.
[0050] like Figure 5 As shown in this embodiment, the adjusting guide ring and the limiting guide ring can be guide rings of the same structural type, such as the beveled cut type, with the bevel angle being 60°.
[0051] The push rod 6 and the top side rod 1 are fixedly connected by a flange, which facilitates installation and disassembly.
[0052] The electric transfer vehicle of this utility model has wheels installed on its bottom frame, and a drive mechanism and a braking mechanism for the wheels can also be installed as needed.
[0053] In this embodiment, the two ends of the horizontal adjustment mechanism 7 and the horizontal limiting mechanism 8 are respectively connected to the top frame and the bottom frame of the transfer vehicle. The horizontal adjustment control handle 9 and the horizontal limiting control handle 10 are located on the push rod 6 and distributed at both ends of the push rod 6.
[0054] like Figure 3 As shown in the diagram, the internal structure of the horizontal adjustment mechanism 7 is as follows: pressing the horizontal adjustment control handle 9 causes the adjustment control rope 7-6 to drive the switch plate 7-1 to press down the starter rod, which can adjust the gas spring 7-2.
[0055] In this embodiment, the inner cylinder 8-2 of the horizontal limiting mechanism 8 is provided with a positioning hole. When the positioning column 8-4 is inserted into the positioning hole, it is in a horizontal position by default. If there is a small angular error in the horizontal reset of the operating table due to uneven ground or the horizontal limit control handle 10, the limit control pull rope 8-8 will pull up the sliding column 8-7, and the horizontal movement will be converted into vertical movement through the reversing plate 8-6. The spring 8-5 will be compressed, and the positioning column 8-4 will move out of the positioning hole of the inner cylinder 8-2, so that the horizontal limiting mechanism can be adjusted.
[0056] At this point, pulling the horizontal adjustment control handle 9 can adjust the horizontal angle of the top frame to make it horizontal. The gas spring 8-5 is a self-locking gas spring, which can be freely adjusted in angle and locked when released. After the angle adjustment is completed and the connection is completed, release the horizontal limit control handle 10. The spring 8-5 will push the positioning pin 8-4 into the positioning hole to lock it. At this time, release the horizontal adjustment control handle 9.
[0057] Pulling the two control handles unlocks the horizontal adjustment mechanism and the horizontal limit mechanism, allowing for frame angle adjustment. The horizontal adjustment mechanism 7 of this invention enables adjustment of the top frame's horizontal position, while the horizontal limit mechanism 8 acts as a reference point; when the horizontal limit mechanism 8 is locked, it indicates that the top and bottom frames are level.
[0058] For any content not described in detail in this utility model, conventional technical knowledge in the field can be used.
[0059] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of this utility model and are not intended to limit it. Although this utility model has been described in detail with reference to the embodiments, those skilled in the art should understand that modifications or equivalent substitutions to the technical solution of this utility model do not depart from the spirit and scope of the technical solution of this utility model, and all such modifications or substitutions should be covered within the scope of the claims of this utility model.
Claims
1. A leveling mechanism, characterized in that, Includes the top frame, bottom frame, and push rod; The top frame includes a top side rod and a top cross rod, with a top side rod connected to each end of the top cross rod; The bottom frame includes bottom side bars and bottom cross bars, with a bottom side bar connected to each end of the bottom cross bar; One top side rod corresponds to one bottom side rod, and the top side rod and the bottom side rod are connected by a support rod; the support rod is fixedly connected to the bottom side rod, and the support rod is hinged to the top side rod. The two ends of the push rod are connected to the top side rod; A horizontal adjustment mechanism and a horizontal limit mechanism are installed between the top crossbar and the bottom crossbar; The push rod is equipped with a horizontal adjustment control handle and a horizontal limit control handle; The horizontal adjustment control handle is used to control the horizontal adjustment mechanism, and the horizontal limit control handle is used to control the horizontal limit mechanism.
2. The leveling mechanism according to claim 1, characterized in that, The horizontal adjustment mechanism includes a switch plate, a gas spring, an outer sleeve, an adjusting guide ring, and an inner sleeve. The switch plate is used to control the start and stop of the gas spring. The gas spring is disposed inside the outer sleeve and the inner sleeve, with one end connected to the outer sleeve and the other end connected to the inner sleeve. The adjusting guide ring is disposed between the outer sleeve and the inner sleeve to guide the sliding between the outer sleeve and the inner sleeve.
3. The leveling mechanism according to claim 2, characterized in that, The horizontal adjustment control handle is connected to the switch plate via an adjustment control rope. By pulling the limit control rope, the switch plate is driven to control the start and stop of the gas spring.
4. The leveling mechanism according to claim 2, characterized in that, The number of adjustment guide rings is multiple, and the adjustment guide rings are evenly distributed along the circumference of the outer sleeve and the inner sleeve.
5. The leveling mechanism according to claim 1, characterized in that, The horizontal limiting mechanism includes an outer cylinder, an inner cylinder, a limiting guide ring, and a positioning control component. The limiting guide ring is disposed between the outer cylinder and the inner cylinder to guide the sliding between them. The positioning control component includes a housing, a positioning post, a spring, a reversing plate, a sliding post, and a limiting control rope to position the relative positions of the outer cylinder and the inner cylinder. The positioning post slides through the outer cylinder and the inner cylinder, with one end inserted into the positioning hole of the inner cylinder and the other end connected to the spring and the reversing plate. One end of the spring is connected to the positioning post, and the other end is connected to the housing. The reversing plate is L-shaped, with one end connected to the spring and the positioning post, and the other end connected to the sliding post, and the middle part rotatably connected to the housing. The sliding post is connected to the limiting control rope to control the movement of the reversing plate.
6. The leveling mechanism according to claim 5, characterized in that, The horizontal limit control handle is connected to the sliding column via a limit control rope.
7. The leveling mechanism according to claim 5, characterized in that, The number of the limiting guide rings is multiple, and the limiting guide rings are evenly distributed along the circumference of the outer cylinder and the inner cylinder.
8. The leveling mechanism according to claim 1, characterized in that, The horizontal adjustment mechanism and the horizontal limiting mechanism are connected to the top crossbar and the bottom crossbar via hinges and hinge supports.
9. An electric transfer vehicle, characterized in that, The electric transfer vehicle includes the leveling mechanism as described in any one of claims 1-8.