Excavator cab heightening support
By designing a lifting device and a servo motor-controlled heightening bracket on the excavator, the risk of the driver falling during the climbing process was solved, achieving a safe and stable way to enter the cab.
Patent Information
- Application Number
- CN202422864794.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-25
- Publication Date
- 2025-10-17
- Estimated Expiration
- 2034-11-25
AI Technical Summary
When installing a heightening support on an excavator, the operator needs to hold onto the surface of the support with both hands and open the cab door while climbing, which poses a risk of accidental fall and results in low safety.
An excavator cab heightening support was designed, which includes a frame, a lifting device, and a servo motor. The servo motor controls the screw to rotate, causing the lifting plate to rise and sending the driver to the top of the frame, thus avoiding the need to open the cabin door while climbing the ladder.
This allows drivers to enter the cockpit directly without having to climb a ladder, avoiding the risk of falling during the climbing process and improving safety and stability.
Smart Images
Figure CN223446253U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to excavator support technical field especially relates to a kind of excavator cab heightening support. BACKGROUND
[0002] As one of the most commonly used engineering machinery, the construction condition of excavator is not only limited to earthwork operation, its deformation product is widely used in smelting plant, port, scrap steel transfer, coal transportation and other industries, in these occasions, to ensure the operation field of view of cab, the heightening requirement of cab sight height is needed, the height of cab can be improved by setting heightening support at the top of excavator.
[0003] The installation of heightening support at the top of excavator base will make cab at higher position, and the driver needs to climb into the cockpit through the climbing ladder at one side of heightening support, but since the driver needs to hold both hands on the surface of climbing frame during climbing, and needs to open the cab door with hand when entering the cockpit, and there is a certain distance between the top of support and cab, so that the driver has the risk of accidental falling when entering the cab, resulting in the problem of low safety of heightening support during use. SUMMARY
[0004] The utility model aims at solving the problem of low safety of heightening support during use due to the fact that the driver needs to hold both hands on the surface of climbing frame during climbing, and needs to open the cab door with hand when entering the cockpit, and there is a certain distance between the top of support and cab, so that the driver has the risk of accidental falling when entering the cab.
[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a kind of excavator cab heightening support, including frame rod, the bottom of the frame rod is provided with the base for bearing frame rod, one side of the frame rod is provided with lifting device, the lifting device includes screw rod and lifting plate, the upper and lower ends of the screw rod are rotatably connected with the inner wall of the frame rod, one side of the top of the frame rod is provided with servo motor, one side of the frame rod is provided with control knob and control rod for controlling servo motor, the output end of the servo motor is fixedly connected with the top of the screw rod, one side of the frame rod is provided with two T-shaped grooves, one side of the lifting plate is fixedly connected with two T-shaped blocks, the outer surface of the T-shaped block is slidably connected with the inner wall of T-shaped groove, the inner wall of one T-shaped block is threadedly connected with the outer surface of screw rod.
[0006] The effect achieved by the above components is that when the driver gets on the cab at the top end of the support through the high support, the driver can stand on the outer surface of the lifting plate, press the control button to control the servo motor to operate the screw rod to make one T-shaped block at one end of the lifting plate slide on the outer surface of the screw rod, the two T-shaped blocks at one end of the lifting plate slide on the inner wall of the T-shaped groove upward, the lifting plate is controlled to rise, and the driver is sent to the position at the top end of the support rod, so that the driver does not need to climb the ladder to get on the top end of the support rod, and the problem that the driver is injured by falling from the surface of the ladder during the process of opening the cabin door or changing position when moving from the surface of the ladder to the cabin is avoided.
[0007] Preferably, one side of the support rod is fixedly connected with a round rod, and the inner wall of the one T-shaped block slides on the outer surface of the round rod.
[0008] The effect achieved by the above components is that when the servo motor operates the screw rod to control the lifting plate to rise and fall, the T-shaped block away from the screw rod slides on the outer surface of the round rod, and the angle between the two ends of the lifting plate and the screw rod and the support rod is further limited, so that the lifting plate is prevented from shaking as much as possible when rising and falling.
[0009] Preferably, the inner wall of the lifting plate is slidably connected with a sliding plate, and one end of the sliding plate is fixedly connected with a convex rod.
[0010] The effect achieved by the above components is that when the lifting plate rises to the top end of the support rod, the driver on the surface of the lifting plate can push the sliding plate to slide outward on the inner wall of the lifting plate by a distance by standing on one foot on the surface of the convex rod, so as to facilitate the driver to move laterally by a distance and stand on the outer surface of the sliding plate to get on the cabin.
[0011] Preferably, the bottom end of the lifting plate is provided with a positioning groove, the bottom end of the sliding plate is fixedly connected with a positioning block, and the outer surface of the positioning block slides on the inner wall of the positioning groove.
[0012] The effect achieved by the above components is that when the sliding plate is pushed to move outward of the lifting plate, the positioning block slides on the inner wall of the positioning groove, the movement range of the sliding plate is limited by the positioning groove, and the sliding plate is prevented from moving too far to tilt downward at one end away from the lifting plate as much as possible.
[0013] Preferably, the bottom end of the lifting plate is fixedly connected with two support rods, and the two ends of the two support rods are respectively fixedly connected with the bottom end of the lifting plate and one side of the lifting plate.
[0014] The effect achieved by the above components is that the support rod can support the bottom end of the lifting plate away from the support rod, and the angle of one end of the lifting plate is prevented from being deviated as much as possible.
[0015] Preferably, the outer surface of the lifting plate is provided with anti-skid devices, the anti-skid devices comprise a rubber plate, the bottom end of the rubber plate is fixedly connected with two insertion rods, and the top end of the rubber plate is provided with a plurality of rubber anti-skid strips.
[0016] The above-mentioned components achieve the effect that when the lifting device is used, the two insertion rods at the bottom end of the rubber plate can be inserted into the two insertion slots on one side of the lifting plate, and the rubber plate is installed on the top end of the lifting plate, and the stability of the person's feet standing on the lifting plate can be increased through the rubber plate and the anti-skid strips on the surface of the rubber plate, and the phenomenon of the person's feet slipping is avoided as much as possible.
[0017] Preferably, one side of the rubber plate is fixedly connected with a rectangular rod, and the top end of the rectangular rod is fixedly connected with a pull rod.
[0018] The above-mentioned components achieve the effect that the pull rod and the outer surface of the rectangular rod can be held to pull or push the lifting plate to insert the insertion rod into the insertion slot or pull the insertion rod out of the insertion slot more conveniently.
[0019] Preferably, one end of the insertion rod is fixedly connected with a ball, and the ball is made of rubber.
[0020] The above-mentioned components achieve the effect that when the insertion rod is inserted into the insertion slot, the rubber ball tightly abuts against the inner wall of the insertion slot, the stability of the insertion rod when being inserted into the insertion slot is improved, and the insertion rod is not easily accidentally pulled out of the insertion slot.
[0021] Compared with the prior art, the utility model has the advantages and positive effects that:
[0022] In the utility model, the driver stands on the outer surface of the lifting plate, the lifting plate is lifted by the operation of the servo motor, the driver is sent to the top end position of the frame rod, and the driver does not need to climb the ladder to get to the top end of the frame rod, so that the problem that the driver is injured by falling from the surface of the ladder during the process of opening the cabin door or changing position when moving from the surface of the ladder to the cockpit is avoided. BRIEF DESCRIPTION OF DRAWINGS
[0023] Figure 1 It is a three-dimensional structure schematic view of the utility model;
[0024] Figure 2 It is a three-dimensional structure schematic view of the frame rod of the utility model;
[0025] Figure 3 It is a three-dimensional structure schematic view of the lifting plate of the utility model;
[0026] Figure 4 It is a three-dimensional structure schematic view of the utility model support rod;
[0027] Figure 5 It is a schematic diagram of the three-dimensional structure of the rubber plate of the utility model.
[0028] Legend: 1. Pole; 2. Lifting device; 3. Anti-slip device; 4. Base; 5. Control button; 6. Control lever; 21. Motor; 22. Screw; 23. T-slot; 24. Lifting plate; 25. T-block; 26. Round rod; 27. Sliding plate; 28. Protruding rod; 29. Positioning groove; 210. Positioning block; 211. Support rod; 31. Slot; 32. Rubber sheet; 33. Insert rod; 34. Anti-slip strip; 35. Rectangular rod; 36. Pull rod; 37. Ball block. DETAILED DESCRIPTION
[0029] Example 1, as Figures 1-3 As shown, an excavator cab heightening bracket includes a frame rod 1, a base 4 for supporting the frame rod 1 is provided at the bottom end of the frame rod 1, a lifting device 2 is provided on one side of the frame rod 1, and the lifting device 2 includes a screw rod 22 and a lifting plate 24. The upper and lower ends of the screw rod 22 are rotatably connected to the upper and lower ends of the inner wall of the frame rod 1 respectively, a servo motor 21 is provided on one side of the top of the frame rod 1, a control button 5 and a control rod 6 for controlling the servo motor 21 are provided on one side of the frame rod 1, the output end of the servo motor 21 is fixedly connected to the top of the screw rod 22, two T-shaped slots 23 are provided on one side of the frame rod 1, and two T-shaped blocks 25 are fixedly connected to one side of the lifting plate 24. The outer surface of the T-shaped block 25 slides on the inner wall of the T-shaped slot 23. A T The inner wall of the block 25 is threadedly connected to the outer surface of the screw 22. By setting up a lifting plate 24, the driver can stand on the outer surface of the lifting plate 24 when climbing up the cab at the top of the bracket through the heightened bracket, and control the servo motor 21 by pressing the control button 5 to drive the screw 22 to rotate, so that a T-shaped block 25 at one end of the lifting plate 24 slides upward on the outer surface of the screw 22, and two T-shaped blocks 25 at one end of the lifting plate 24 slide upward on the inner wall of the T-shaped groove 23, controlling the lifting plate 24 to rise and send the driver to the top position of the rack pole 1, so that the driver does not need to climb to the top of the rack pole 1 by climbing the ladder, avoiding the problem of the driver falling from the ladder surface and getting injured during the process of opening the cabin door or changing positions when moving from the ladder surface to the cockpit.
[0030] Reference Figures 2-4As shown, in this embodiment: a round rod 26 is fixedly connected to one side of the frame rod 1, and the inner wall of a T-shaped block 25 slides on the outer surface of the round rod 26. When the servo motor 21 drives the screw 22 to rotate and control the lifting plate 24 to rise and fall, the T-shaped block 25 on the side away from the screw 22 will slide on the outer surface of the round rod 26, further limiting the angle between the two ends of the lifting plate 24 and the screw 22 and the frame rod 1, and avoiding shaking of the lifting plate 24 when it is lifted and lowered as much as possible. The inner wall of the lifting plate 24 is slidably connected to a sliding plate 27, and one end of the sliding plate 27 is fixedly connected to a protruding rod 28. When the lifting plate 24 is raised to the top end of the frame rod 1, the driver located on the surface of the lifting plate 24 can use one foot to press against the surface of the protruding rod 28 to push the sliding plate 27 to slide outward on the inner wall of the lifting plate 24 for a distance, so as to facilitate lateral movement of a certain distance and stand on the outer surface of the sliding plate 27 to board the cockpit.
[0031] Reference Figures 2-4 As shown, in this embodiment: a positioning groove 29 is provided at the bottom end of the lifting plate 24, and a positioning block 210 is fixedly connected to the bottom end of the sliding plate 27. The outer surface of the positioning block 210 slides on the inner wall of the positioning groove 29. When the sliding plate 27 is pushed to move toward the outside of the lifting plate 24, the positioning block 210 will slide on the inner wall of the positioning groove 29. The positioning groove 29 can limit the movement range of the sliding plate 27, and avoid as much as possible the sliding plate 27 from moving too far and causing one end to tilt downward away from the lifting plate 24. The bottom end of the lifting plate 24 is fixedly connected to two support rods 211, and the two ends of the two support rods 211 are fixedly connected to the bottom end of the lifting plate 24 and one side of the lifting plate 24 respectively. By setting the support rod 211, the lifting plate 24 can be supported from below the end away from the frame rod 1, and the angle of one end of the lifting plate 24 can be avoided as much as possible.
[0032] Reference Figure 1 、 Figure 3 、 Figure 4 and Figure 5 As shown, in this embodiment: the outer surface of the lifting plate 24 is provided with an anti-slip device 3, the anti-slip device 3 includes a rubber plate 32, the bottom end of the rubber plate 32 is fixedly connected to two insertion rods 33, and the top of the rubber plate 32 is provided with a plurality of rubber anti-slip strips 34. Two slots 31 are provided on one side of the lifting plate 24. When using the lifting device 2, the two insertion rods 33 at the bottom end of the rubber plate 32 can be inserted into the two slots 31 on one side of the lifting plate 24, and the rubber plate 32 can be installed on the top of the lifting plate 24. The rubber plate 32 and the anti-slip strips 34 on the surface of the rubber plate 32 can increase the stability of the feet of the person standing on the lifting plate 24, thereby avoiding the occurrence of slipping of the feet of the person as much as possible.
[0033] Reference Figures 3-5As shown in the embodiment: one side of the rubber plate 32 is fixedly connected with a rectangular rod 35, the top end of the rectangular rod 35 is fixedly connected with a pull rod 36, holding the pull rod 36 and the outer surface of the rectangular rod 35 can be more convenient to pull or push the lifting plate 24 to insert the plug rod 33 into the plug slot 31 or pull the plug rod 33 out of the plug slot 31, one end of the plug rod 33 is fixedly connected with a ball block 37, the ball block 37 is made of rubber material, when the plug rod 33 is inserted into the plug slot 31, the rubber ball block 37 will be tightly attached to the inner wall of the plug slot 31, improving the stability when the plug rod 33 is inserted into the plug slot 31, so that the plug rod 33 is not easy to accidentally fall out of the plug slot 31.
[0034] Working principle: when using the heightening support, the two plug rods 33 at the bottom end of the rubber plate 32 can be inserted into the two plug slots 31 at one side of the lifting plate 24, the rubber plate 32 is installed at the top end of the lifting plate 24, the driver stands at the rubber plate 32 at the top end of the lifting plate 24, the control knob 5 is pressed to control the servo motor 21 to operate to drive the screw rod 22 to rotate, one T-shaped block 25 at one end of the lifting plate 24 slides upward on the outer surface of the screw rod 22, and the two T-shaped blocks 25 at one end of the lifting plate 24 slide upward on the inner wall of the T-shaped slot 23, the lifting plate 24 is controlled to rise, the driver is sent to the top end position of the support rod 1, when the driver gets off the vehicle, the driver can first stand on the outer surface of the lifting plate 24, then the control lever 6 is controlled to control the servo motor 21 to operate to drive the screw rod 22 to rotate, the T-shaped block 25 at one side of the lifting plate 24 descends on the outer surface of the screw rod 22, and the driver can hold the outer surface of the round rod 26 during the descending process.
[0035] The above is only a preferred embodiment of the present application, and is not intended to limit the present application in other forms. Any skilled person in the art can modify or change the above disclosed technical content to equivalent embodiments applied to other fields, but any simple modification, equivalent change and modification made to the above embodiments without departing from the technical solution content of the present application, according to the technical essence of the present application, still belong to the protection scope of the technical solution of the present application. In the description of the present application, it should be noted that unless otherwise specified and limited, the terms "installation", "connection" and "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be connected between two elements. For ordinary skilled persons in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.
Claims
1. A cab heightening bracket for an excavator, comprising a bracket rod (1), characterized in that: The bottom end of the frame rod (1) is provided with a base (4) for supporting the frame rod (1), and one side of the frame rod (1) is provided with a lifting device (2), and the lifting device (2) includes a screw rod (22) and a lifting plate (24), and the upper and lower ends of the screw rod (22) are respectively rotatably connected to the upper and lower ends of the inner wall of the frame rod (1), and a servo motor (21) is provided on one side of the top end of the frame rod (1), and a control button (5) and a control rod (6) for controlling the servo motor (21) are provided on one side of the frame rod (1), and the output end of the servo motor (21) is fixedly connected to the top end of the screw rod (22), and two T-shaped slots (23) are provided on one side of the frame rod (1), and two T-shaped blocks (25) are fixedly connected to one side of the lifting plate (24), and the outer surface of the T-shaped block (25) slides on the inner wall of the T-shaped slot (23), and the inner wall of one of the T-shaped blocks (25) is threadedly connected to the outer surface of the screw rod (22).
2. The excavator cab heightening bracket according to claim 1, characterized in that: A round rod (26) is fixedly connected to one side of the rack rod (1), and the inner wall of one of the T-shaped blocks (25) slides on the outer surface of the round rod (26).
3. The excavator cab heightening bracket according to claim 2, characterized in that: The inner wall of the lifting plate (24) is slidably connected to a sliding plate (27), and one end of the sliding plate (27) is fixedly connected to a protruding rod (28).
4. The excavator cab raising bracket according to claim 3, characterized in that: A positioning groove (29) is provided at the bottom end of the lifting plate (24), and a positioning block (210) is fixedly connected to the bottom end of the sliding plate (27), and the outer surface of the positioning block (210) slides on the inner wall of the positioning groove (29).
5. The excavator cab heightening bracket according to claim 4, characterized in that: The bottom end of the lifting plate (24) is fixedly connected to two support rods (211), and the two ends of the two support rods (211) are fixedly connected to the bottom end of the lifting plate (24) and one side of the lifting plate (24), respectively.
6. The excavator cab raising bracket according to claim 5, characterized in that: The outer surface of the lifting plate (24) is provided with an anti-slip device (3), and the anti-slip device (3) includes a rubber plate (32). The bottom end of the rubber plate (32) is fixedly connected to two insertion rods (33), and the top end of the rubber plate (32) is provided with a plurality of rubber anti-slip strips (34). Two slots (31) are provided on one side of the lifting plate (24).
7. The excavator cab raising bracket according to claim 6, characterized in that: One side of the rubber plate (32) is fixedly connected to a rectangular rod (35), and the top end of the rectangular rod (35) is fixedly connected to a pull rod (36).
8. The excavator cab raising bracket according to claim 6, characterized in that: One end of the insertion rod (33) is fixedly connected to a ball block (37), and the ball block (37) is made of rubber material.