Fork tip anti-collision mechanism and E-type telescopic forklift
By designing the fork tip anti-collision mechanism, the elastic buffering of the torsion spring and swinging parts is used to solve the problems of short compression stroke and unsatisfactory cushioning effect of existing mechanical anti-collision rubber strips, and a longer anti-collision compression stroke and stronger protection effect are achieved.
Patent Information
- Application Number
- CN202420551254.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-20
- Publication Date
- 2025-04-08
- Estimated Expiration
- 2034-03-20
AI Technical Summary
The existing mechanical anti-collision rubber strips have short compression stroke during collision, poor cushioning effect, and are not durable.
A fork tip anti-collision mechanism is designed, including a fixing seat, a protective stop and a buffer assembly. The buffer assembly is composed of a first swing member, a second swing member and a torsion spring. Through the elastic buffering of the torsion spring and the swing member, anti-collision buffering is realized, and through structures such as guide grooves and infrared induction switches, the reliability and safety of the buffer assembly are ensured.
The anti-collision compression stroke is extended, and the torsion spring can effectively absorb buffer energy, provide a stronger protection effect, and play a stronger protection role for mobile devices and external devices.
Smart Images
Figure CN222729422U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of anti-collision mechanisms, and in particular relates to a fork tip anti-collision mechanism and an E-type telescopic forklift. Background Art
[0002] The anti-collision mechanism is developed for the automated transportation and logistics environment. When the operating equipment collides with the outside world during its movement, it will trigger the equipment to stop and alarm, thus playing a role in safety protection. At present, the most common method in the field of automated logistics transportation is to use mechanical anti-collision rubber strips, which have a simple structure and are cheap, but have a short compression stroke, may be damaged during the collision process, and are not durable. Utility Model Content
[0003] The utility model aims to overcome the problem that the existing mechanical anti-collision rubber strip has an unsatisfactory collision buffering effect, and provides a fork tip anti-collision mechanism and an E-type telescopic forklift which have a long anti-collision compression stroke and can absorb buffering energy.
[0004] In order to achieve the above purpose, the utility model adopts the following technical solutions:
[0005] The fork tip anti-collision mechanism includes a fixed seat, a protective stopper and a buffer assembly; the fixed seat is used to be placed and fixed on the front end of the fork arm of the forklift; the rear side of the protective stopper is symmetrically connected to the front side of the fixed seat through two groups of buffer assemblies; the buffer assembly includes a first swinging member and a second swinging member and a first torsion spring and a second torsion spring which are rotatably connected to each other at one end, the other end of the first swinging member is rotatably connected to the fixed seat, and the other end of the second swinging member is rotatably connected to the protective stopper, and the other ends of the first swinging member and the second swinging member are respectively provided with mounting grooves, and the mounting groove of the first swinging member is provided with a first pin shaft and a first abutting surface facing the fixed seat, the first torsion spring is sleeved on the first pin shaft and its two elastic arms respectively abut against the first abutting surface and the fixed seat, the mounting groove of the second swinging member is provided with a second pin shaft and a second abutting surface facing the protective stopper, the second torsion spring is sleeved on the second pin shaft and its two elastic arms respectively abut against the second abutting surface and the protective stopper.
[0006] Compared with the prior art, the fork tip anti-collision mechanism of the utility model has a buffer connection between the fixed seat and the protective block by two groups of symmetrical buffer components, and the buffer component includes a first swing member and a second swing member that are rotatably connected to each other at one end and can be folded relative to each other. The first swing member and the second swing member are respectively elastically buffered and abutted against the corresponding fixed seat and the protective block through a torsion spring, so that when the protective block is under pressure, anti-collision buffering can be achieved by compressing the torsion spring and folding the first swing member and the second swing member. The anti-collision compression stroke is long and the torsion spring can absorb buffering energy, which provides a stronger protection effect on the mobile device and external equipment.
[0007] Furthermore, the fixing seat is provided with a guide groove opening along the front direction, and the rear side of the protective baffle is provided with a guide block, and the width of the guide block is adapted to the width of the guide groove; through such an arrangement, the protective baffle can only move along the guide groove direction for buffering when it is under pressure, thereby avoiding unbalanced lateral compression activity when the protective baffle is under pressure, causing damage to the buffer assembly, and ensuring the reliability of product use.
[0008] Furthermore, an infrared sensing switch is provided on one side of the fixing seat close to the protective baffle, and the infrared sensing switch is used to detect when the protective baffle is pressed and moved into place toward the side of the fixing seat to send out a preset signal; through such a setting, when the protective baffle is pressed and moved into place, an alarm signal can be sent out through the infrared sensing switch, thereby reminding the staff to deal with on-site equipment accidents.
[0009] Furthermore, it also includes two first detectors for detecting obstacles in the front direction of the protective barrier, and the detection directions of the two first detectors are relatively staggered and intersecting in the horizontal direction; through such an arrangement, the two first detectors are arranged in a cross direction to realize plane detection, which can better avoid the fork arm colliding with obstacles when extending, and the reliability of obstacle plane detection is good.
[0010] Furthermore, the two first detectors are arranged relative to each other in an eight-shaped shape, and the angle between the detection directions of the two first detectors is less than 30°; through such an arrangement, the detection surfaces of the two first detectors are adapted to the width of the fork arm, thereby avoiding collision with obstacles when the fork arm is extended forward.
[0011] Furthermore, two first detectors are arranged at the bottom of the fixing seat, and the protective blocking member is provided with a first avoidance opening corresponding to the detection direction of the first detector; through such an arrangement, the first detector is arranged at the rear side of the protective blocking member to be protected.
[0012] Furthermore, it also includes a second detector for detecting obstacles in the upper direction; through such an arrangement, when the fork arm carries a pallet carrying materials, when the pallet exceeds the end of the fork arm, the second detector detects the material displacement and sends out an alarm signal.
[0013] Furthermore, the second detector is arranged between the fixing seat and the protective blocking member, and a second avoidance opening is provided at the top of the protective blocking member corresponding to the detection direction of the second detector; through such an arrangement, the first detector arranged inside the protective blocking member is protected.
[0014] An E-type telescopic forklift comprises a vehicle body, a fork arm, a fork arm lifting drive mechanism, a fork arm telescopic drive mechanism and a fork tip anti-collision mechanism. A receiving groove is provided on the front side of the vehicle body, the fork arm is arranged in the receiving groove, the fork arm telescopic drive mechanism is used to drive the fork arm to extend outward or reset inward, the fork arm lifting drive mechanism is used to drive the fork arm to perform adaptive lifting and lowering movements when extending outward or resetting inward so as to transport materials to the vehicle body, and the fork tip anti-collision mechanism is arranged at the front end of the fork arm. Through such an arrangement, the fork arm of the E-type telescopic forklift is provided with a fork tip anti-collision mechanism, and the fixed seat and the protective block of the fork tip anti-collision mechanism are buffered and connected by two groups of symmetrical buffer components, and the buffer component includes a first swing member and a second swing member that are rotatably connected to each other at one end and can be folded relatively, and the first swing member and the second swing member are elastically buffered and abutted against the corresponding fixed seat and the protective block respectively through a torsion spring, so that when the protective block is pressurized, anti-collision buffering can be achieved by compressing the torsion spring and folding the first swing member and the second swing member. The anti-collision compression stroke is long and the torsion spring can absorb buffering energy, which provides a stronger protection effect on the E-type telescopic forklift and external equipment. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 Schematic diagram of the detection status of the fork tip anti-collision mechanism
[0016] Figure 2 Schematic diagram of fork tip anti-collision mechanism
[0017] Figure 3 Schematic diagram of removing the protective stopper for the fork tip anti-collision mechanism in the compressed state
[0018] Figure 4 Schematic diagram of removing the protective stopper to reset the fork tip anti-collision mechanism
[0019] Figure 5 Schematic diagram of the rear side of the protective baffle
[0020] Figure 6 Schematic diagram of E-type telescopic forklift Figure 1
[0021] Figure 7 Schematic diagram of E-type telescopic forklift Figure 2 DETAILED DESCRIPTION
[0022] The specific implementation of the present invention is described below in conjunction with the accompanying drawings. In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.
[0023] Embodiment 1:
[0024] See also Figures 1 to 7 The fork tip anti-collision mechanism 1 of the utility model comprises a fixed seat 11, a protective stopper 2 and a buffer assembly 3; the fixed seat 11 is used to be placed and fixed on the front end of the fork arm 61 of the forklift 6; the rear side of the protective stopper 2 is symmetrically connected to the front side of the fixed seat 11 through two groups of buffer assemblies 3; the buffer assembly 3 comprises a first swinging member 21 and a second swinging member 22, and a first torsion spring 29 and a second torsion spring 23, one end of the first swinging member 21 is rotatably connected to the fixed seat 11, and the other end of the second swinging member 22 is rotatably connected to the connecting seat 20 of the protective stopper 2, and the first swinging member 21 is rotatably connected to the fixed seat 11, and the second swinging member 22 is rotatably connected to the connecting seat 20 of the protective stopper 2. The other ends of the member 21 and the second swing member 22 are respectively provided with mounting grooves 24, and the mounting groove 24 of the first swing member 21 is provided with a first pin shaft 241 and a first abutting surface 243 facing the fixed seat 11, the first torsion spring 29 is sleeved on the first pin shaft 241 and its two elastic arms respectively abut the first abutting surface 243 and the fixed seat 11, the mounting groove 24 of the second swing member 22 is provided with a second pin shaft 242 and a second abutting surface 244 facing the protective baffle 2, the second torsion spring 23 is sleeved on the second pin shaft 242 and its two elastic arms respectively abut the second abutting surface 244 and the protective baffle 2.
[0025] Compared with the prior art, the fork tip anti-collision mechanism 1 of the utility model is buffered by two groups of symmetrical buffer components 3 between the fixed seat 11 and the protective baffle 2, and the buffer component 3 includes a first swinging member 21 and a second swinging member 22 which are rotatably connected to each other at one end and can be folded relative to each other. The first swinging member 21 and the second swinging member 22 are elastically buffered and abutted against the corresponding fixed seat 11 and the protective baffle 2 respectively through a torsion spring, so that when the protective baffle 2 is pressurized, anti-collision buffering can be achieved by compressing the torsion spring and folding the first swinging member 21 and the second swinging member 22. The anti-collision compression stroke is long and the torsion spring can absorb buffering energy, which has a stronger protection effect on mobile equipment and external equipment.
[0026] See also Figures 2 to 5 In one embodiment, the fixing seat 11 is provided with a guide groove 12 opening along the front direction, and the rear side of the protective baffle 2 is provided with a guide block 22, and the width of the guide block 22 is adapted to the width of the guide groove 12; through such an arrangement, the protective baffle 2 can only move along the guide groove 12 when it is compressed, thereby avoiding unbalanced lateral compression activity when the protective baffle 2 is compressed, resulting in damage to the buffer assembly 3, thereby ensuring the reliability of product use.
[0027] See also Figures 2 to 5In one embodiment, an infrared sensing switch 13 is provided on one side of the fixing seat 11 close to the protective block 2, and the infrared sensing switch 13 is used to detect that the protective block 2 is pressed and moves into place toward the fixing seat 11 and sends a preset signal; through such a setting, when the protective block 2 is pressed and moves into place, an alarm signal can be sent out through the infrared sensing switch 13, thereby reminding the staff to deal with the on-site equipment accident.
[0028] In one embodiment, two first detectors 14 are further included for detecting obstacles in the front direction of the protective barrier 2, and the detection directions of the two first detectors 14 are relatively staggered and intersectingly arranged in the horizontal direction. Through such an arrangement, the two first detectors 14 are arranged in a cross direction to realize plane detection, which can better avoid the fork arm 61 from colliding with obstacles when extending, and the reliability of obstacle plane detection is good.
[0029] In one embodiment, the two first detectors 14 are arranged opposite to each other in an eight-shaped arrangement, and the angle between the detection directions of the two first detectors 14 is less than 30°. By such an arrangement, the detection surfaces of the two first detectors 14 are adapted to the width of the fork arm 61, thereby preventing the fork arm 61 from colliding with obstacles when extending forward.
[0030] In one embodiment, two first detectors 14 are arranged at the bottom of the fixing seat 11, and the protective block 2 is provided with a first avoidance opening 25 corresponding to the detection direction of the first detector 14; through such a setting, the first detector 14 is arranged on the rear side of the protective block 2 to be protected.
[0031] In one embodiment, it also includes a second detector 15 for detecting obstacles in the upper direction; through such an arrangement, when the fork arm 61 carries the pallet 66 carrying materials, when the pallet 66 exceeds the end of the fork arm 61, the second detector 15 detects the material displacement and sends an alarm signal.
[0032] In one embodiment, the second detector 15 is arranged between the fixing seat 11 and the protective block 2, and a second avoidance opening 26 is provided on the top of the protective block 2 corresponding to the detection direction of the second detector 15; through such an arrangement, the first detector 14 is arranged on the inner side of the protective block 2 to be protected.
[0033] Embodiment 2:
[0034] The main purpose of this embodiment is to provide an E-type telescopic forklift 6 using the fork tip anti-collision mechanism 1 of the first embodiment, including a vehicle body 62, a fork arm 61, a fork arm lifting drive mechanism, a fork arm telescopic drive mechanism and the fork tip anti-collision mechanism 1, the vehicle body 62 is provided with a receiving groove 63 on the front side, the fork arm 61 is arranged in the receiving groove 63, the fork arm telescopic drive mechanism is used to drive the fork arm 61 to extend outward or reset inward, the fork arm lifting drive mechanism is used to drive the fork arm 61 to perform adaptive lifting and lowering movements when extending outward or resetting inward so that materials can be transported to the vehicle body 62, and the fork tip anti-collision mechanism 1 is arranged at the front end of the fork arm 61. Through such an arrangement, the fork arm 61 of the E-type telescopic forklift 6 is provided with a fork tip anti-collision mechanism 1, and the fixed seat 11 of the fork tip anti-collision mechanism 1 and the protective block 2 are buffered by two groups of symmetrical buffer components 3, and the buffer component 3 includes a first swinging member 21 and a second swinging member 22 which are rotatably connected to each other at one end and can be folded relative to each other. The first swinging member 21 and the second swinging member 22 are respectively elastically buffered and abutted against the corresponding fixed seat 11 and the protective block 2 through a torsion spring, so that when the protective block 2 is pressurized, anti-collision buffering can be achieved by compressing the torsion spring and folding the first swinging member 21 and the second swinging member 22. The anti-collision compression stroke is long and the torsion spring can absorb the buffering energy, which has a stronger protection effect on the E-type telescopic forklift and external equipment.
[0035] According to the disclosure and teaching of the above description, the technical personnel in the field to which the utility model belongs can also change and modify the above implementation. Therefore, the utility model is not limited to the specific implementation methods disclosed and described above, and some modifications and changes to the utility model should also fall within the scope of protection of the claims of the utility model. In addition, although some specific terms are used in this specification, these terms are only for the convenience of description and do not constitute any limitation to the utility model.
Claims
1. Fork tip anti-collision mechanism, characterized in that: include: A fixing seat, used for fixing on the front end of the fork arm of the forklift; The protective stopper, the rear side of which is symmetrically connected to the front side of the fixing seat through two sets of buffer components; The buffer assembly includes a first swinging member and a second swinging member, and a first torsion spring and a second torsion spring, the other end of the first swinging member is rotatably connected to a fixed seat, the other end of the second swinging member is rotatably connected to a protective stopper, the other ends of the first swinging member and the second swinging member are respectively provided with mounting grooves, the mounting groove of the first swinging member is provided with a first pin shaft and a first abutting surface facing the fixed seat, the first torsion spring is sleeved on the first pin shaft and its two elastic arms abut against the first abutting surface and the fixed seat respectively, the mounting groove of the second swinging member is provided with a second pin shaft and a second abutting surface facing the protective stopper respectively, the second torsion spring is sleeved on the second pin shaft and its two elastic arms abut against the second abutting surface and the protective stopper respectively.
2. The fork tip anti-collision mechanism according to claim 1, characterized in that: The fixing seat is provided with a guide groove opening along the front direction, and the rear side of the protective blocking member is provided with a guide block, and the width of the guide block is adapted to the width of the guide groove.
3. The fork tip anti-collision mechanism according to claim 1, characterized in that: An infrared sensor switch is provided on one side of the fixing seat close to the protective stopper, and the infrared sensor switch is used to detect that the protective stopper is pressed and moves to one side of the fixing seat to send out a preset signal.
4. The fork tip anti-collision mechanism according to any one of claims 1 to 3, characterized in that: It also includes two first detectors for detecting obstacles in the front direction of the protective block, and the detection directions of the two first detectors are relatively staggered and intersecting in the horizontal direction.
5. The fork tip anti-collision mechanism according to claim 4, characterized in that: The two first detectors are arranged opposite to each other in an eight-shaped configuration, and the angle between the detection directions of the two first detectors is less than 30°.
6. The fork tip anti-collision mechanism according to claim 4, characterized in that: Two first detectors are arranged at the bottom of the fixing seat, and the protective blocking member is provided with a first avoidance opening corresponding to the detection direction of the first detector.
7. The fork tip anti-collision mechanism according to any one of claims 1 to 3, characterized in that: A second detector for detecting obstacles in an upward direction is also included.
8. The fork tip anti-collision mechanism according to claim 7, characterized in that: The second detector is arranged between the fixing seat and the protective blocking member, and a second avoidance opening is arranged on the top of the protective blocking member corresponding to the detection direction of the second detector.
9. E-type telescopic forklift, characterized in that: It comprises a vehicle body, a group of forks, a fork arm lifting drive mechanism and a fork arm telescopic drive mechanism and a fork tip anti-collision mechanism as claimed in any one of claims 1 to 8, wherein a receiving groove is provided on the front side of the vehicle body, the fork arm is arranged in the receiving groove, the fork arm telescopic drive mechanism is used to drive the fork arm to extend outward or reset inward, the fork arm lifting drive mechanism is used to drive the fork arm to perform adaptive lifting and lowering movements when extending outward or resetting inward so as to transport materials to the vehicle body, and the fork tip anti-collision mechanism is arranged at the front end of the fork arm.