Multi-safety-clamp linkage device and stacking machine
By linking the active link mechanism with the driven link mechanism, the problem of inconsistency in synchronous triggering of safety clamps in traditional stackers is solved, synchronous braking of safety clamps is realized, and the safety of the stacker is improved.
Patent Information
- Application Number
- CN202421876964.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-05
- Publication Date
- 2025-05-13
- Estimated Expiration
- 2034-08-05
AI Technical Summary
The traditional multi-safety clamp trigger mechanism is inconsistent in the stacker, making it difficult to achieve synchronous triggering of multiple safety clamps, which poses safety hazards.
The active linkage mechanism and the driven linkage mechanism are linked through the transmission shaft to achieve synchronous braking of the active safety clamp and the driven safety clamp. The active linkage is triggered by the speed limiter to drive the transmission shaft to synchronously trigger the driven safety clamp.
The synchronous triggering of safety clamps is realized, which reduces the action delay, eliminates safety hazards, and improves the safety of the stacker.
Smart Images
Figure CN222861115U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of safety protection of stackers, and in particular relates to a multi-safety clamp linkage device and a stacker. Background Art
[0002] Stacker crane is an important equipment in automated logistics system and also the main material handling and transfer equipment in 3D warehouse.
[0003] The cargo platform on the stacker basically uses a safety clamp and a speed limiter to achieve fall and stall protection when the cargo platform occurs in extreme situations (such as rope breakage, motor stall). Multiple safety clamps can increase the number of locking points, effectively counteract the force when the cargo platform falls, and improve safety.
[0004] However, in the conventional multi-safety clamp triggering mechanism, the device for triggering the safety clamp and the device for transmitting power do not work in accordance with each other and do not move smoothly, making it difficult to achieve synchronous triggering of multiple safety clamp brakes. Utility Model Content
[0005] The utility model provides a multi-safety clamp linkage device and a stacker, which can realize synchronous triggering action in the multi-safety clamp braking process.
[0006] In order to achieve the above-mentioned purpose, the embodiment of the utility model adopts the following technical scheme:
[0007] In a first aspect, an embodiment of the utility model provides a multi-safety clamp linkage device, comprising:
[0008] An active connecting rod mechanism comprises an active connecting rod and an active safety tongs pull rod, wherein the active connecting rod is rotatably connected to the active safety tongs pull rod, and the active connecting rod is used to drive the active safety tongs pull rod to lift the active safety tongs, so as to brake the active safety tongs;
[0009] A driven connecting rod mechanism comprises a driven connecting rod and a driven safety clamp pull rod, wherein the driven connecting rod is rotatably connected to the driven safety clamp pull rod, and the driven connecting rod is used to drive the driven safety clamp pull rod to lift the driven safety clamp to brake the driven safety clamp; and
[0010] The transmission shaft connects the active connecting rod and the driven connecting rod, and when the active connecting rod rotates, the driven connecting rod is driven to rotate through the transmission shaft.
[0011] The multi-safety clamp linkage device provided by the embodiment of the utility model has an active safety clamp pull rod and a transmission shaft rotatably connected on the active connecting rod, and a driven safety clamp pull rod and a transmission shaft rotatably connected on the driven connecting rod. When the cargo platform falls and stalls, the speed limiter pulls the active connecting rod in the active connecting rod mechanism, and the active connecting rod is lifted upward to drive the active safety clamp pull rod to rotate, and guides the wedge block inside the safety clamp to move and clamp the guide rail. At the same time, when the active connecting rod rotates, the driven connecting rod is driven to rotate through the transmission shaft, and then the driven connecting rod drives the driven safety clamp pull rod to rotate, guiding the wedge block inside the safety clamp to move and clamp the guide rail to achieve synchronous braking. The utility model has a simple structure, is beautiful and practical, and is safe and reliable.
[0012] According to some embodiments of the present utility model, the active linkage mechanism comprises:
[0013] A first active slave rod and a second active slave rod, the first active slave rod and the second active slave rod are rotationally connected, the first active slave rod is rotationally connected to the active connecting rod, and the second active slave rod is hinged to the transmission shaft.
[0014] According to some embodiments of the utility model, the active linkage mechanism further includes:
[0015] An active transition swing arm is provided with a first active fixed hinge point, the active transition swing arm rotates around a second active fixed hinge point, one end of the active transition swing arm is rotationally connected to the first active slave rod, and the other end is rotationally connected to the second active slave rod.
[0016] According to some embodiments of the utility model, an active rocker arm and a driven rocker arm are fixed on the transmission shaft, the active rocker arm is hinged to the active connecting rod, and the driven rocker arm is hinged to the driven connecting rod.
[0017] According to some embodiments of the present invention, a first active fixed hinge is provided on one side of the active connecting rod, and the active connecting rod rotates around a second active fixed hinge.
[0018] According to some embodiments of the present utility model, the driven connecting rod mechanism includes:
[0019] A first driven slave rod and a second driven slave rod, wherein the first driven slave rod and the second driven slave rod are rotationally connected, the first driven slave rod is rotationally connected to the driven connecting rod, and the second driven slave rod is hinged to the transmission shaft.
[0020] According to some embodiments of the present utility model, the driven connecting rod mechanism further includes:
[0021] The driven transition swing arm is provided with a first driven fixed hinge point, the driven transition swing arm rotates around a second driven fixed hinge point, one end of the driven transition swing arm is rotationally connected to the first driven slave rod, and the other end is rotationally connected to the second driven slave rod.
[0022] According to some embodiments of the present invention, a first driven fixed hinge is provided on one side of the driven connecting rod, and the driven connecting rod rotates around the second driven fixed hinge.
[0023] In a second aspect, an embodiment of the utility model provides a stacker, comprising:
[0024] Stage;
[0025] Safety clamps;
[0026] In the above-mentioned multi-safety clamp linkage device, the active connecting rod mechanism and / or the driven connecting rod mechanism are arranged on the side of the loading platform to control the braking of the safety clamp.
[0027] According to some embodiments of the present invention, the stacker comprises an active elastic member and a passive elastic member, wherein one end of the active elastic member is connected to the loading platform and the other end is connected to the active connecting rod, and one end of the passive elastic member is connected to the loading platform and the other end is connected to the passive connecting rod.
[0028] The stacker provided by the embodiment of the utility model adopts the multi-safety clamp linkage device described in any one of the embodiments in the first aspect above, thereby achieving synchronous triggering action of the safety clamp, reducing action delay and eliminating safety hazards.
[0029] Compared with the prior art, the technical effects that can be achieved by the utility model include:
[0030] The utility model drives the safety clamp to brake by the connecting rod on the active side and drives the safety clamp on the driven side to brake by the transmission shaft at the same time, thereby realizing synchronous triggering action in the clamping process of multiple safety clamps, and solving the safety potential problems caused by insufficient rigidity and delayed action of the existing trigger mechanism. BRIEF DESCRIPTION OF THE DRAWINGS
[0031] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.
[0032] Figure 1 This is a schematic diagram of the overall structure of the multi-safety clamp linkage mechanism of the utility model;
[0033] Figure 2 This is a schematic diagram of the triggering action of the multi-safety clamp linkage mechanism of the utility model;
[0034] Figure 3 It is a schematic diagram of the active side structure of the stacker of the utility model.
[0035] Reference numerals
[0036] 1. Guide rail; 11. Loading platform
[0037] 12. Active safety clamp; 22. Driven safety clamp;
[0038] 13. Active connecting rod mechanism; 131. Active connecting rod; 132. Active elastic member; 133. First active slave rod; 134. First active fixed hinge point; 135. Second active fixed hinge point; 136. Active transition swing rod; 137. Second active slave rod; 138. Active safety clamp pull rod;
[0039] 23. driven connecting rod mechanism; 231. driven connecting rod; 232. driven elastic member; 233. first driven slave rod; 234. first driven fixed hinge point; 235. second driven fixed hinge point; 236. driven transition swing rod; 237. second driven slave rod; 238. driven safety clamp pull rod;
[0040] 16. Transmission shaft; 14. Active rocker arm; 24. Driven rocker arm. DETAILED DESCRIPTION
[0041] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments. Obviously, the embodiments to be described below are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0042] It should be understood that when used in this specification and the appended claims, the terms "include" and "comprises" indicate the presence of described features, integers, steps, operations, elements and / or components, but do not exclude the presence or addition of one or more other features, integers, steps, operations, elements, components and / or combinations thereof.
[0043] It should also be understood that the terms used in this utility model embodiment specification are only for the purpose of describing specific embodiments and are not intended to limit the utility model embodiments. As used in the utility model embodiment specification and the appended claims, unless the context clearly indicates otherwise, the singular forms "a", "an" and "the" are intended to include plural forms.
[0044] The utility model provides a multi-safety clamp linkage device, comprising an active connecting rod mechanism, a driven connecting rod mechanism and a transmission shaft, wherein the active connecting rod mechanism and the driven connecting rod mechanism are both connected with safety clamps, and the active connecting rod mechanism can drive the driven connecting rod mechanism and the transmission shaft to rotate.
[0045] The following is an example of the linkage device of two safety clamps. Figure 1 and Figure 3 As shown, an active link mechanism 13 and a driven link mechanism 23 are arranged on the side of the loading platform 11. The active link mechanism 13 can trigger the active safety clamp 12 to clamp the guide rail 1 when the speed limiter is actuated. The driven link mechanism 23 can trigger the driven safety clamp 22 to clamp the guide rail 1 when the active link mechanism 13 is actuated. The active link mechanism 13 guides the movement of the driven link mechanism 23 through the transmission shaft 16, thereby realizing the synchronous braking of the linkage device.
[0046] The lifting and rotation of the active link mechanism 13 and the driven link mechanism 23 will respectively drive the active safety clamp pull rod 138 and the driven safety clamp pull rod 238 to pull their respective safety clamps. The safety clamps clamp the guide rail 1 through the internal wedge block, so that the safety clamps on both sides can clamp the guide rail 1 synchronously, and the loading platform 11 can be braked in an emergency when it is in a falling stall state.
[0047] It should also be noted that the above embodiment is described by taking the arrangement of two linkage devices on the loading platform 11 as an example. In other implementations, three linkage devices, four linkage devices, five linkage devices, etc. can also be arranged on the loading platform 11, and corresponding connecting rods and transmission shafts 16 can be added to keep the device structure in a good stress condition, thereby achieving synchronous braking of more than two safety clamps.
[0048] Taking the active connecting rod mechanism 13 on the active side as an example, Figure 2 As shown, the active link mechanism 13 includes an active link 131 and an active safety clamp pull rod 138, and the active link 131 is rotatably connected to the active safety clamp pull rod 138 by rivets. When the active link 131 is pulled by the speed limiter wire rope, the active safety clamp pull rod 138 can be lifted, which can ensure smooth transmission of force.
[0049] One end of the active safety clamp rod 138 is connected to the active safety clamp 12, and the guide rail 1 is clamped through the wedge inside the active safety clamp 12. It can be understood that the active safety clamp rod 138 can also be electrically connected or wirelessly connected to the safety clamp, as long as the active safety clamp rod 138 can control the safety clamp in time to achieve braking.
[0050] The active connecting rod 131 is connected to one end of the transmission shaft 16, and when the active connecting rod 131 is pulled, the transmission shaft 16 can be driven to move upward. The active connecting rod 131 and the transmission shaft 16 can be fixedly connected, so that the transmission shaft 16 and the active connecting rod 131 move upward as a whole and further drive the driven side to move.
[0051] In order to realize the adjustability of the linkage device, such as Figure 2As shown, a first active slave rod 133 and a second active slave rod 137 are added between the active link mechanism 13 and the transmission shaft 16, the first active slave rod 133 is rotatably connected to the active link 131, and the second active slave rod 137 is connected to the transmission shaft 16. The first active slave rod 133 and the second active slave rod 137 are rotatably connected by a pin, and can be stretched and folded in the linkage device to adjust the relative position of the active link 131 and the transmission shaft 16. At the same time, since the transmission link mechanism formed by the active link 131, the first active slave rod 133, the second active slave rod 137 and the transmission shaft 16 has strong mobility, the force-bearing condition is good when the impact force is large, and it is not easy to damage the overall structure of the loading platform 11.
[0052] In the above structure, in order to realize the rotation connection between the transmission shaft 16 and the active side and driven side connecting rods, the active swing rod 14 and the driven swing rod 24 are fixed on the transmission shaft 16. The active swing rod 14 and the driven swing rod 24 can move on the transmission shaft 16 to adapt to the requirements of different distances between the active side and the driven side. After being connected to the transmission rod, the swing rod is fixed to the transmission shaft 16 by bolts or rivets. The active swing rod 14 is hingedly connected to the second active slave rod 137, and the driven swing rod 24 is hingedly connected to the second driven slave rod 237, which can reduce the impact force on the transmission shaft 16 when the loading platform 11 is braked.
[0053] In order to eliminate the position difference generated during the rotation process, such as Figure 1 and Figure 2 As shown, an active transition swing rod 136 is provided between the first active follower rod 133 and the second active follower rod 137. The active transition swing rod 136 is connected to the first active follower rod 133 and the second active follower rod 137 by rivets, and the length of the entire connecting rod in the linkage device is reduced by adding a connecting rod. A first active fixed hinge point 134 is also fixed to the active transition swing rod 136. The active transition swing rod 136 can rotate around the first active fixed hinge point 134, which can eliminate the position difference generated by the hinge point during the rotation of the second active follower rod 137 and the transmission shaft 16, and realize the smooth movement of the connecting rod mechanism.
[0054] like Figure 3 As shown, a second active fixed hinge 135 is provided at one end of the active link 131, and the second active fixed hinge 135 fixes the active link 131 on the stage 11. When the active link 131 rotates, it is restricted to rotate around the second active fixed hinge 135. This structure can control the rotation direction of the active link 131 and restrict it from performing circular rotational motion.
[0055] The action process of the driven side is opposite to that of the active side, and the driven safety tongs 22 are driven from the transmission shaft 16. The transmission structure of the driven side can be replaced by a flexible brake wire or a conventional connecting rod mechanism, or can be the same as the connecting rod structure of the active side.
[0056] Similarly, in order to achieve the adjustability of the linkage, such as Figure 2 As shown, a first driven rod 233 and a second driven rod 237 are added between the above-mentioned driven link mechanism 23 and the transmission shaft 16, the first driven rod 233 is rotatably connected to the driven link 231, and the second driven rod 237 is pin-connected to the transmission shaft 16. The first driven rod 233 and the second driven rod 237 are rotatably connected by a pin, and can be stretched and folded in the linkage device to adjust the relative position of the driven link 231 and the transmission shaft 16. At the same time, since the transmission link mechanism formed by the driven link 231, the first driven rod 233, the second driven rod 237 and the transmission shaft 16 is highly mobile, the force-bearing condition is good when the impact force is large, and it is not easy to damage the overall structure of the loading platform 11.
[0057] In order to eliminate the position difference generated during the rotation process, such as Figure 1 and Figure 2 As shown, a driven transition swing rod 236 is provided between the first driven follower rod 233 and the second driven follower rod 237. The driven transition swing rod 236 is connected to the first driven follower rod 233 and the second driven follower rod 237 by rivets, respectively, thereby reducing the installation length of the connecting rod. A first driven fixed hinge 234 is also fixed to the driven transition swing rod 236. The driven transition swing rod 236 can rotate around the first driven fixed hinge 234, thereby eliminating the position difference of the hinge generated during the rotation of the second driven follower rod 237 and the transmission shaft 16, thereby achieving smooth movement of the connecting rod mechanism.
[0058] like Figure 1 As shown, a second driven fixed hinge 235 is provided at one end of the driven link 231, and the second driven fixed hinge 235 fixes the driven link 231 on the stage 11. When the driven link 231 rotates, it is restricted to rotate around the second driven fixed hinge 235. This structure can control the rotation direction of the driven link 231, restrict it to do circular rotation, and facilitate force transmission.
[0059] In addition, the present invention also provides a stacker, such as Figure 3 As shown, it includes a loading platform 11 and a multi-safety clamp linkage device. Among them, the active connecting rod mechanism 13 and the driven connecting rod mechanism 23 are arranged on the side of the loading platform 11 in the width direction. The multi-safety clamp linkage device provided in the embodiment of the utility model is designed in the loading platform frame, does not affect the main structure of the loading platform and the lowest cargo picking position, and has a simple structure, beautiful and practical.
[0060] Elastic members are also provided on the stacker, wherein an active elastic member 132 is provided on the active side, and a driven elastic member 232 is provided on the driven side. One end of the active elastic member 132 is provided on the loading platform 11, and the other end is connected to the active connecting rod 131, wherein the active elastic member 132 is fixedly connected to the end of the active connecting rod 131 away from the second active fixed hinge 135. One end of the driven elastic member 232 is connected to the loading platform 11, and the other end is connected to the driven connecting rod 231, wherein the driven elastic member 232 is fixedly connected to the end of the driven connecting rod 231 away from the second driven fixed hinge 235. The elastic member is specifically a tension spring, which can maintain the relative stability of the positions of the active connecting rod 131 and the driven connecting rod 231.
[0061] In the above embodiments, the description of each embodiment has its own emphasis. For parts that are not described in detail in a certain embodiment, reference can be made to the relevant descriptions of other embodiments.
[0062] The above is a specific implementation of the utility model, but the protection scope of the utility model is not limited thereto. Any technician familiar with the technical field can easily think of various equivalent modifications or replacements within the technical scope disclosed by the utility model, and these modifications or replacements should be included in the protection scope of the utility model. Therefore, the protection scope of the utility model should be based on the protection scope of the claims.
Claims
1. A multi-safety clamp linkage device, characterized in that: include: An active connecting rod mechanism comprises an active connecting rod and an active safety tongs pull rod, wherein the active connecting rod is rotatably connected to the active safety tongs pull rod, and the active connecting rod is used to drive the active safety tongs pull rod to lift the active safety tongs, so as to brake the active safety tongs; A driven connecting rod mechanism comprises a driven connecting rod and a driven safety clamp pull rod, wherein the driven connecting rod is rotatably connected to the driven safety clamp pull rod, and the driven connecting rod is used to drive the driven safety clamp pull rod to lift the driven safety clamp to brake the driven safety clamp; and The transmission shaft connects the active connecting rod and the driven connecting rod, and when the active connecting rod rotates, the driven connecting rod is driven to rotate through the transmission shaft.
2. The multi-safety gear linkage device according to claim 1, characterized in that: The active connecting rod mechanism comprises: A first active slave rod and a second active slave rod, the first active slave rod and the second active slave rod are rotationally connected, the first active slave rod is rotationally connected to the active connecting rod, and the second active slave rod is hinged to the transmission shaft.
3. The multi-safety gear linkage device according to claim 2, characterized in that: The active connecting rod mechanism further comprises: An active transition rocker arm is provided with a first active fixed hinge point, and the active transition rocker arm is configured to rotate around the first active fixed hinge point, one end of the active transition rocker arm is rotationally connected to the first active slave rod, and the other end is rotationally connected to the second active slave rod.
4. The multi-safety gear linkage device according to claim 1, characterized in that: An active swing arm and a driven swing arm are fixed on the transmission shaft. The active swing arm is hinged to the active connecting rod, and the driven swing arm is hinged to the driven connecting rod.
5. The multi-safety gear linkage device according to claim 1, characterized in that: A second active fixed hinge is provided on one side of the active connecting rod, and the active connecting rod is configured to rotate around the second active fixed hinge.
6. The multi-safety gear linkage device according to any one of claims 1 to 5, characterized in that: The driven connecting rod mechanism comprises: A first driven slave rod and a second driven slave rod, wherein the first driven slave rod and the second driven slave rod are rotationally connected, the first driven slave rod is rotationally connected to the driven connecting rod, and the second driven slave rod is hinged to the transmission shaft.
7. The multi-safety gear linkage device according to claim 6, characterized in that: The driven connecting rod mechanism further comprises: The driven transition rocker arm is provided with a first driven fixed hinge point, and the driven transition rocker arm is configured to rotate around the first driven fixed hinge point, and one end of the driven transition rocker arm is rotationally connected to the first driven slave rod, and the other end is rotationally connected to the second driven slave rod.
8. The multi-safety gear linkage device according to claim 6, characterized in that: A second driven fixed hinge point is arranged on one side of the driven connecting rod, and the driven connecting rod is configured to rotate around the second driven fixed hinge point.
9. A stacker, characterized in that: include: Stage; Safety clamps; According to the multi-safety clamp linkage device according to any one of claims 1 to 8, the active connecting rod mechanism and / or the driven connecting rod mechanism are arranged on the side of the loading platform to control the braking of the safety clamp.
10. The stacker according to claim 9, characterized in that: The stacker comprises an active elastic member and a passive elastic member, wherein one end of the active elastic member is connected to the loading platform and the other end is connected to the active connecting rod; one end of the passive elastic member is connected to the loading platform and the other end is connected to the passive connecting rod.