Device for limiting excessively low depression angle of pitching equipment
By designing a combination of limiting parts, rotating parts, and buffer parts on the equipment, the problem of the equipment pitching and rotating beyond the safe angle is solved, thus realizing the safety protection function and preventing safety accidents from occurring.
Patent Information
- Application Number
- CN202520940456.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-05-14
- Publication Date
- 2026-02-17
- Estimated Expiration
- 2035-05-14
AI Technical Summary
The existing equipment lacks mechanical limit devices during pitch and rotation, which makes it uncontrollable when rotating outside the safe angle, posing a safety hazard.
Design a device that includes a limiting part, a rotating part, a connecting part, and a buffer part. Through the cooperation of the limiting post and the buffer plate, the device is restricted to rotate within a safe angle to prevent it from exceeding the prohibited area.
Effectively control the rotation angle of the equipment to avoid safety accidents and enhance safety features.
Smart Images
Figure CN223923664U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a pitch angle limiting device technical field especially for a device for pitch equipment limit pitch angle too low. BACKGROUND
[0002] During the pitch rotation of the operating equipment, there are great safety factors in some angles due to the use site and environment and other reasons, and the uncontrolled pitch of the equipment can cause the equipment to hit other objects or personnel, and can also indirectly cause the damage of the objects in the pitch angle in front of the equipment, and accidents. A pitch angle limiting safety circuit is installed on the starting circuit of the equipment, when the pitch rotation reaches the highest position and the lowest position, the micro-motion contact switch at the highest position and the lowest position is touched, the pitch rotation stops, and the equipment cannot be continuously rotated. However, most of the equipment does not have a pitch angle mechanical limiting device, when the pitch angle limiting safety circuit fails, the equipment cannot be rotated within the safe angle. In order to enhance the safety function and avoid safety accidents, the pitch angle mechanical limiting device is added. SUMMARY
[0003] The main purpose of the utility model is to provide a device for pitch equipment limit pitch angle too low, to solve the problems in the related art.
[0004] In order to achieve the above purpose, according to one aspect of the utility model, a device for pitch equipment limit pitch angle too low is provided, which comprises a limiting part, the limiting part is arranged on the base, further comprising: a rotating part, the rotating part is arranged in the limiting part and can rotate within a certain range along the limiting part;
[0005] A connecting part is arranged on the outer circle of the rotating part, which is used for fixing the equipment, when the rotating part rotates, the equipment is driven to rotate within a certain range through the connecting part.
[0006] Further, the limiting part comprises a limiting ring, a limiting groove and a fixed disc, the fixed disc is fixedly connected with the limiting ring, the limiting groove is arranged on the inner side of the limiting ring, and the bottom of the limiting groove is a non-complete ring.
[0007] Further, two buffer parts are arranged in the limiting groove, and the buffer parts are arranged at both ends of the limiting groove respectively.
[0008] Further, the buffer part comprises a spring, two guide rods and a buffer disc.
[0009] Further, one end of the spring is connected with the side wall of the limiting groove, and the other end is fixedly connected with the buffer disc, and the guide rods are fixedly arranged on both sides of the spring respectively.
[0010] Further, the rotating part comprises a rotating column, a limiting column and a plurality of inner teeth, the limiting column is fixedly arranged in the middle part of the outer ring of the rotating column, and the inner teeth are all fixedly arranged on the outer ring of the rotating column.
[0011] Further, the connecting part comprises a connecting disc, an outer cylinder and a plurality of outer teeth.
[0012] Further, the outer teeth are all fixedly arranged on the inner ring of the outer cylinder and are engaged with the inner teeth.
[0013] Compared with the prior art, the utility model has the advantages of the following:
[0014] When the equipment rotates within the designed pitch angle, the limiting column is in the limiting groove, and the equipment can rotate freely; when the equipment is about to rotate out of the designed pitch angle, the limiting column is rotated to the edge of the limiting groove and abuts against the buffer disc, the spring is contracted, the limiting column is slowly stopped from rotating, the equipment is prevented from continuously rotating, the equipment is prevented from rotating to the prohibited rotating area, the rotating angle of the equipment is effectively controlled, the safety protection function is realized, and the safety accident is avoided. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 It is the overall schematic view of the utility model;
[0016] Figure 2 It is the sectional view of the utility model;
[0017] Figure 3 It is the limiting part structure schematic view of the utility model;
[0018] Figure 4 It is the connecting part structure schematic view of the utility model;
[0019] Figure 5 It is the rotating part structure schematic view of the utility model;
[0020] Figure 6 It is the buffer part structure schematic view of the utility model.
[0021] Reference signs:
[0022] 1, limiting part; 11, limiting ring; 12, limiting groove; 13, fixed disc; 14, guide groove;
[0023] 2, rotating part; 21, rotating column; 22, limiting column; 23, inner tooth;
[0024] 3, connecting part; 31, connecting disc; 32, outer cylinder; 33, outer tooth;
[0025] 4, buffer part; 41, spring; 42, guide rod; 43, buffer disc. DETAILED DESCRIPTION
[0026] In order to further illustrate the technical means and effects taken by the utility model to achieve the predetermined utility model purposes, the following will combine the drawings and the preferred embodiments to specifically explain the specific embodiments, structures, features and effects of the utility model.
[0027] The embodiment provides a device for limiting too low a pitch angle of a pitching equipment, which comprises a limiting part 1 arranged on a base, a rotating part 2 arranged in the limiting part 1 and capable of rotating within a certain range along the limiting part 1, and a connecting part 3 arranged on the outer ring of the rotating part 2 and used for fixing the equipment. Figure 1 and 2 The connecting part 3 and the rotating part 2 are mutually engaged, so that the equipment can be driven to rotate within a certain range through the connecting part 3 when the rotating part 2 rotates.
[0028] The connecting part 3 and the rotating part 2 are mutually engaged, so that the equipment can be driven to rotate within a certain range through the connecting part 3 when the rotating part 2 rotates.
[0029] As shown in Figure 3 The limiting part 1 comprises a limiting ring 11, a limiting groove 12 and a fixing disc 13, the fixing disc 13 is fixedly connected with the limiting ring 11, the limiting groove 12 is arranged on the inner side of the limiting ring 11, the limiting groove 12 is a non-complete ring, and the bottom of the limiting groove 12 is not communicated with the area corresponding to the prohibited rotation area of the equipment. The fixing disc 13 and the base are each provided with a plurality of screw holes, the screw holes of the fixing disc 13 and the base are one-to-one corresponding, and screws are sequentially inserted into the screw holes, so that the limiting part 1 can be fixed on the base. The limiting groove 12 is respectively provided with a guide groove 14 on the two sides, a guide rod 42 slides in the guide groove 14, and a spring 41 is limited in the limiting groove 12 to prevent the spring 41 from being deflected in the process of stretching and retracting.
[0030] As shown in Figure 3 The limiting groove 12 is provided with two buffer parts 4 arranged at the two ends of the limiting groove 12.
[0031] As shown in Figure 6 The buffer part 4 comprises the spring 41, the two guide rods 42 and a buffer disc 43.
[0032] One end of the spring 41 is fixedly connected with the side wall of the limiting groove 12, and the other end is fixedly connected with the buffer disc 43. The guide rods 42 are fixedly arranged on the two sides of the spring 41.
[0033] As shown in Figure 5 The rotating part 2 comprises a rotating column 21, a limiting column 22 and a plurality of inner teeth 23. The limiting column 22 is fixedly arranged in the middle part of the outer ring of the rotating column 21, and the inner teeth 23 are fixedly arranged on the outer ring of the rotating column 21.
[0034] As shown in Figure 4As shown, the connecting part 3 comprises a connecting disc 31, an outer cylinder 32 and a plurality of outer teeth 33, and the outer cylinder 32 and the connecting disc 31 are fixed. The connecting disc 31 and the device are each provided with a plurality of screw holes, and the screw holes of the connecting disc 31 and the device are one-to-one corresponding, and the screw is sequentially inserted through the screw holes of the connecting disc 31 and the device, so that the device can be fixed on the connecting part 3 through the connecting disc 31.
[0035] The outer teeth 33 are fixedly arranged in the inner circle of the outer cylinder 32 and are engaged with the inner teeth 23, and the outer teeth 33 and the inner teeth 23 are engaged with each other, so that the connecting part 3 can rotate together with the rotating part 2.
[0036] The outer side of the rotating column 21 is fixedly provided with a motor for driving the rotating column 21 to rotate, and the motor is fixedly connected with the base; the screw is sequentially inserted into the screw holes of the fixed disc 13 and the base, so that the limiting part 1 is fixed on the outer wall of the base; the screw is sequentially inserted into the screw holes of the connecting disc 31 and the device, so that the device is fixed on the connecting part 3. The motor is started, the motor drives the rotating column 21 to rotate, the rotating column 21 drives the inner teeth 23 to rotate, and since the inner teeth 23 are engaged with the outer teeth 33, the outer cylinder 32 rotates together with the rotating column 21, and the device is driven to pitch on the base through the connecting disc 31.
[0037] When the device rotates within the designed pitch angle, the limiting column 22 is located in the limiting groove 12, and the device can rotate freely; when the device is about to rotate out of the designed pitch angle, the limiting column 22 is rotated to the edge of the limiting groove 12 and abuts against the buffer disc 43, the spring 41 is contracted, and the limiting column 22 is slowly stopped from rotating, so as to limit the device from continuously rotating and prevent the device from rotating to the prohibited rotation area, effectively control the rotation angle and realize the safety protection function, thereby avoiding safety accidents.
[0038] The above is only a preferred embodiment of the present application, and does not limit the present application in any form. Although the present application has been disclosed in the preferred embodiment, it is not intended to limit the present application. Any person skilled in the art can make some changes or modifications to the above-mentioned equivalent embodiments without departing from the technical solution of the present application. Any modification, equivalent change and modification of the above-mentioned embodiments, which does not depart from the technical solution of the present application, is still within the scope of the present application.
Claims
1. A device for limiting the pitch-down of a luffing device, comprising a stop (1) arranged on a base, characterized in that, Also include: The rotating part (2) is arranged in the limiting part (1), and can rotate in a certain range along the limiting part (1); The connecting part (3) is arranged outside the rotating part (2), which is used for fixing the equipment, and when the rotating part (2) rotates, the equipment is driven to rotate in a certain range through the connecting part (3).
2. The device for limiting the pitch-down undershoot of a pitch device according to claim 1, characterized in that The limiting part (1) includes a limiting ring (11), a limiting groove (12) and a fixed disc (13), the fixed disc (13) is fixedly connected with the limiting ring (11), the limiting groove (12) is arranged on the inner side of the limiting ring (11), and the limiting groove (12) is a non-complete ring.
3. The apparatus for limiting the pitch down low of a pitch device according to claim 2, wherein, Two buffer parts (4) are arranged in the limiting groove (12), and the buffer parts (4) are arranged at both ends of the limiting groove (12) respectively.
4. The apparatus for limiting the pitch down low of a pitch device according to claim 3, wherein, The buffer part (4) includes a spring (41), two guide rods (42) and a buffer disc (43).
5. The apparatus for limiting the pitch down low of a pitch device according to claim 4, wherein, One end of the spring (41) is fixedly connected with the side wall of the limiting groove (12), the other end is fixedly connected with the buffer disc (43), and the guide rods (42) are fixedly arranged on both sides of the spring (41) respectively.
6. The apparatus for limiting the pitch down low of a pitch device according to claim 1, wherein, The rotating part (2) includes a rotating column (21), a limiting column (22) and a plurality of inner teeth (23), the limiting column (22) is fixedly arranged in the middle part of the outer circle of the rotating column (21), and the inner teeth (23) are fixedly arranged on the outer circle of the rotating column (21).
7. The apparatus for limiting the pitch down low of a pitch device according to claim 6, wherein, The connecting part (3) includes a connecting disc (31), an outer cylinder (32) and a plurality of outer teeth (33).
8. The apparatus for limiting the pitch down low of a pitch device according to claim 7, wherein, The outer teeth (33) are fixedly arranged on the inner circle of the outer cylinder (32) and are engaged with the inner teeth (23).