Buffer with reset detection function
By introducing a reset detection unit into the buffer, detecting whether the piston rod, impact head or piston returns to the initial position, the problem that the existing buffer cannot achieve reset detection is solved, ensuring the effectiveness of the buffer and the normal operation of the mechanical equipment.
Patent Information
- Application Number
- CN202421398983.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-19
- Publication Date
- 2025-02-11
- Estimated Expiration
- 2034-06-19
AI Technical Summary
The existing buffer cannot achieve reset detection, resulting in the inability to guarantee the effectiveness of the use function.
A buffer with reset detection function is designed, using a combination of piston rod, outer cylinder, inner cylinder, airbag, impact head, piston and reset detection unit to detect whether the piston rod, impact head or piston is returned to Initial position or valid position range.
It realizes detection of whether the buffer is reset, ensuring that the buffer is in an active state, so as to replace the failed buffer in time to ensure the normal operation of the mechanical equipment.
Smart Images
Figure CN222458199U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to a buffer, in particular to a buffer with a reset detection function. Background Art
[0002] Buffers are a commonly used component in automated mechanical equipment. They mainly absorb the impact of mechanical equipment and play a role in safety protection and positioning of mechanical equipment. Whether the working state of the buffer is normal directly affects whether the mechanical equipment can operate normally. At present, the performance parameters of all buffers are pre-fabricated in advance. In order to achieve the pre-fabricated performance parameters, the buffer adopts many structural types, such as metal spring recovery hydraulic type, gas spring recovery hydraulic type, and air bag recovery hydraulic type. The application of these structures gives the buffer a good use effect, but due to factors such as accidental overload impact or oil leakage and air leakage, the buffer cannot be reset and loses its function.
[0003] Therefore, proposing a buffer with a reset detection function to detect whether the buffer returns to the initial position before use, that is, whether it is in a valid state, has become an urgent problem to be solved. Utility Model Content
[0004] In view of this, the purpose of the utility model is to provide a buffer with a reset detection function to solve the problem that the existing buffer cannot realize reset detection and cannot guarantee the use function.
[0005] The technical solution provided by the utility model is: a buffer with a reset detection function, comprising: a piston rod, an outer cylinder, an inner cylinder, an airbag, a hitter, a piston and a reset detection unit, wherein the outer cylinder sealing sleeve is arranged on the outer side of the inner cylinder and a accommodating chamber is formed between the two, the airbag is cooperatively arranged in the accommodating chamber, a damping hole connected to the accommodating chamber is arranged on the inner cylinder, hydraulic oil is arranged in the inner cylinder and is sealed by the piston, one end of the piston rod is cooperatively arranged in the inner cylinder and connected to the piston, the hitter is located outside the inner cylinder and connected to the other end of the piston rod, and the reset detection unit is used to detect whether any component of the piston rod, the hitter or the piston returns to the initial position or within the effective position range.
[0006] Preferably, the outer cylinder is provided with an inflation port connected to the airbag, and the inflation port is also connected to a pressure sensor for detecting the pressure of the airbag.
[0007] Further preferably, a guide sleeve cooperating with the piston rod is provided at the end of the inner cylinder.
[0008] Further preferably, a mounting flange is fixedly connected to the outer cylinder.
[0009] Further preferably, the reset detection unit includes a proximity sensor and a detection object cooperating with the proximity sensor, the proximity sensor is mounted on the outer cylinder, the detection object is fixed on the piston rod, and in an initial state, the detection object is within the detection range of the proximity sensor.
[0010] Further preferably, the reset detection unit includes a magnetic sensor and a magnetic ring cooperating with the magnetic sensor, the magnetic sensor is mounted on the outer cylinder, the magnetic ring is fixed on the piston rod, and in an initial state, the magnetic ring is within the detection range of the magnetic sensor.
[0011] Further preferably, the reset detection unit is a distance measuring sensor for detecting the extension length information of the piston rod.
[0012] Further preferably, a main control unit and a prompt unit are fixedly mounted on the outer cylinder, and the main control unit is connected to the reset detection unit and the prompt unit respectively, and is used to control the prompt unit to send corresponding prompt information to the outside according to the output of the reset detection unit.
[0013] Further preferably, the prompt unit is at least one of a voice player, a signal light or a display.
[0014] The buffer with reset detection function provided by the utility model can detect whether the buffer is reset after being impacted through the reset detection unit, thereby knowing whether the buffer is in a valid state, and then replacing the failed buffer in time. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] The present invention is further described in detail below in conjunction with the accompanying drawings and implementation methods:
[0016] Figure 1 This is a schematic diagram of the structure of a buffer with a reset detection function provided by the utility model. DETAILED DESCRIPTION
[0017] The present invention will be further explained below in conjunction with specific implementation schemes, but the present invention is not limited thereto.
[0018] like Figure 1As shown, the utility model provides a buffer with a reset detection function, comprising: a piston rod 1, an outer cylinder 2, an inner cylinder 3, an airbag 4, a hitter 12, a piston 9 and a reset detection unit, wherein the outer cylinder 2 sealing sleeve is arranged on the outer side of the inner cylinder 3 and a receiving chamber is formed therebetween, the airbag 4 is cooperatively arranged in the receiving chamber, the inner cylinder 3 is provided with a damping hole 10 connected to the receiving chamber, hydraulic oil is arranged in the inner cylinder 3 and is sealed by the piston 9, one end of the piston rod 1 is cooperatively arranged in the inner cylinder 3 and connected to the piston 9, the hitter 12 is located outside the inner cylinder 3 and connected to the other end of the piston rod 1, and the reset detection unit is used to detect whether any component among the piston rod 1, the hitter 12 or the piston 9 returns to the initial position or within the effective position range.
[0019] The working process of the buffer with reset detection function is as follows: in the initial state, the buffer is in a state of waiting for impact, the piston rod, the impact head, and the piston are all in the initial position (i.e., the effective position), the hydraulic oil is filled, and the airbag pressure is normal. When the impact head is impacted, the piston rod drives the piston to compress the hydraulic oil axially inward along the inner cylinder and press the hydraulic oil into the accommodating chamber described in the airbag through the damping hole. The hydraulic oil entering the accommodating chamber further compresses the airbag to achieve a buffering and damping effect. When the impact is over, the airbag pushes the hydraulic oil in the accommodating chamber back to the inner cylinder, and then pushes the piston, piston rod and impact head to move outward along the axial direction of the inner cylinder. The reset detection unit can detect whether the piston, piston rod and impact head have returned to the initial position or within the effective position range. If they have returned to the initial position or within the effective position range, it means that the buffer is in an effective state and can receive the next impact. Otherwise, it means that the buffer has failed and needs to be replaced in time.
[0020] As an improvement of the technical solution, Figure 1 As shown, the outer cylinder 2 is provided with an inflation port 6 connected to the airbag 4. The inflation port 6 is also connected to a pressure sensor for detecting the pressure of the airbag 4. When the airbag pressure is lower than a preset pressure value, air is replenished in time.
[0021] In order to ensure the stable movement of the piston rod, as an improvement of the technical solution, such as Figure 1 As shown, a guide sleeve 11 matching with the piston rod 1 is provided at the end of the inner cylinder 3 .
[0022] In order to facilitate the installation of the buffer, as an improvement of the technical solution, Figure 1 As shown, a mounting flange 8 is also fixedly connected to the outer cylinder 2 .
[0023] The reset detection unit may be any detection structure capable of detecting whether the buffer is reset. Three specific structures are given below:
[0024] 1. The reset detection unit includes a proximity sensor and a detection object that cooperates with the proximity sensor. The proximity sensor is installed on the outer cylinder 2, and the detection object is fixed on the piston rod 1. Preferably, the detection object is fixed to the piston. In the initial state, the detection object is within the detection range of the proximity sensor. Through the cooperation between the proximity sensor and the detection object, it can be detected whether the detection object returns to the initial position or the effective position range, that is, whether the buffer is reset;
[0025] 2. If Figure 1 As shown, the reset detection unit includes a magnetic sensor 5 and a magnetic ring 7 cooperating with the magnetic sensor 5, the magnetic sensor 5 is installed on the outer cylinder 2, and the magnetic ring 7 is fixed on the piston rod 1. Preferably, the magnetic ring is fixed to the piston. In the initial state, the magnetic ring 7 is within the detection range of the magnetic sensor 5. When the impact head is hit, the magnetic ring gradually moves away from the magnetic sensor. During the recovery process, the magnetic ring gradually approaches the magnetic sensor.
[0026] 3. The reset detection unit is a distance sensor, which is used to detect the extension length information of the piston rod 1, wherein the distance sensor can be installed at the front end of the outer cylinder to detect the distance between it and the impact head.
[0027] As an improvement of the technical solution, Figure 1 As shown, a main control unit 13 and a prompt unit are also fixedly mounted on the outer cylinder 2. The main control unit 13 is connected to the reset detection unit and the prompt unit respectively, and is used to control the prompt unit to send corresponding prompt information to the outside according to the output of the reset detection unit. Preferably, the prompt unit is at least one of a voice player, a signal light or a display, and the prompt information is at least one of a voice prompt, a signal light prompt or a display prompt.
[0028] The specific implementation methods of the present utility model are written in a progressive manner, emphasizing the differences between the various implementation methods, and the similar parts thereof can be referenced to each other.
[0029] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge scope of ordinary technicians in this field without departing from the purpose of the present invention.
Claims
1. A buffer with a reset detection function, characterized in that: include: A piston rod (1), an outer cylinder (2), an inner cylinder (3), an airbag (4), a striker (12), a piston (9) and a reset detection unit, wherein the outer cylinder (2) sealing sleeve is arranged on the outer side of the inner cylinder (3) and a receiving chamber is formed between the two, the airbag (4) is arranged in the receiving chamber, the inner cylinder (3) is provided with a damping hole (10) connected to the receiving chamber, hydraulic oil is arranged in the inner cylinder (3) and is sealed by the piston (9), one end of the piston rod (1) is arranged in the inner cylinder (3) and is connected to the piston (9), the striker (12) is located outside the inner cylinder (3) and is connected to the other end of the piston rod (1), and the reset detection unit is used to detect whether any of the piston rod (1), the striker (12) or the piston (9) has returned to the initial position or within the effective position range.
2. The buffer with reset detection function according to claim 1, characterized in that: The outer cylinder (2) is provided with an inflation port (6) connected to the airbag (4), and the inflation port (6) is also connected to a pressure sensor for detecting the pressure of the airbag (4).
3. The buffer with reset detection function according to claim 1, characterized in that: The end of the inner cylinder (3) is provided with a guide sleeve (11) which cooperates with the piston rod (1).
4. The buffer with reset detection function according to claim 1, characterized in that: The outer cylinder (2) is also fixedly connected with a mounting flange (8).
5. The buffer with reset detection function according to claim 1, characterized in that: The reset detection unit comprises a proximity sensor and a detection object cooperating with the proximity sensor, the proximity sensor is mounted on the outer cylinder (2), the detection object is fixed on the piston rod (1), and in an initial state, the detection object is within the detection range of the proximity sensor.
6. The buffer with reset detection function according to claim 1, characterized in that: The reset detection unit comprises a magnetic sensor (5) and a magnetic ring (7) cooperating with the magnetic sensor (5); the magnetic sensor (5) is mounted on the outer cylinder (2); the magnetic ring (7) is fixed on the piston rod (1); in an initial state, the magnetic ring (7) is within the detection range of the magnetic sensor (5).
7. The buffer with reset detection function according to claim 1, characterized in that: The reset detection unit is a distance measuring sensor, which is used to detect the extension length information of the piston rod (1).
8. The buffer with reset detection function according to claim 1, characterized in that: A main control unit (13) and a prompt unit are also fixedly mounted on the outer cylinder (2); the main control unit (13) is connected to the reset detection unit and the prompt unit respectively, and is used to control the prompt unit to send corresponding prompt information to the outside world according to the output of the reset detection unit.
9. The buffer with reset detection function according to claim 8, characterized in that: The prompt unit is at least one of a voice player, a signal light or a display.