Hydraulic carrying device with high reliability
阅读说明：本技术 一种可靠性高的液压搬运装置 (Hydraulic carrying device with high reliability ) 是由 广小芳 于 2020-07-14 设计创作，主要内容包括：本发明涉及一种可靠性高的液压搬运装置,包括车板、推手和四个移动装置,还包括遮挡机构和四个限速机构,所述限速机构包括固定盒、弹簧、移动板、延时开关、支架、传动组件、移动组件和刹车片,所述移动组件包括丝杆、滑块、连杆和两个第二轴承,所述遮挡机构包括挡板和两个升降组件,所述升降组件包括气缸和支杆,该可靠性高的液压搬运装置通过限速机构,实现了对转轴限速的功能,避免设备移动过快而使得工作人员对设备失去控制,从而提高了设备工作时的可靠性,通过遮挡机构,在设备移动过快时可以对搬运的物料进行遮挡,避免下坡时车速过快而使得物料从车板上滑落,从而减小了物料摔落而损坏的几率,从而提高了搬运物料的可靠性。(The invention relates to a high-reliability hydraulic carrying device, which comprises a vehicle board, a pushing handle, four moving devices, a shielding mechanism and four speed-limiting mechanisms, wherein each speed-limiting mechanism comprises a fixed box, a spring, a moving plate, a delay switch, a bracket, a transmission assembly, a moving assembly and a brake pad, each moving assembly comprises a lead screw, a sliding block, a connecting rod and two second bearings, each shielding mechanism comprises a baffle plate and two lifting assemblies, each lifting assembly comprises an air cylinder and a supporting rod, the high-reliability hydraulic carrying device realizes the function of limiting the speed of a rotating shaft through the speed-limiting mechanisms, avoids the phenomenon that workers lose control over equipment due to the fact that the equipment moves too fast is avoided, accordingly, the reliability of the equipment during working is improved, conveyed materials can be shielded through the shielding mechanisms when the equipment moves too fast, and the phenomenon that the materials slide off the vehicle board due to the fact that the speed of the equipment is too, thereby reducing the probability of damage caused by falling of the materials and improving the reliability of material carrying.)
1. A high-reliability hydraulic carrying device comprises a sweep (1), a push handle (2) and four moving devices, wherein the push handle (2) is fixed on one side of the sweep (1), the four moving devices are respectively arranged at four corners below the sweep (1), the four moving devices comprise a first bearing, a rotating shaft (3) and wheels (4), the first bearing is fixed below the sweep (1), two ends of the rotating shaft (3) are respectively fixedly connected with an inner ring of the first bearing and the wheels (4), and a PLC is arranged in the sweep (1), and the high-reliability hydraulic carrying device is characterized by further comprising a shielding mechanism and four speed limiting mechanisms, wherein the speed limiting mechanisms correspond to the moving devices one by one, are arranged on the rotating shaft (3), are arranged on the sweep (1), and are connected with the speed limiting mechanisms;
the speed limiting mechanism comprises a fixed box (5), a spring (6), a movable plate (7), a time delay switch (17), a support (8), a transmission assembly, a moving assembly and a brake pad (16), wherein the fixed box (5) is fixed on the rotating shaft (3), the movable plate (7) is arranged inside the fixed box (5), two ends of the spring (6) are respectively connected with one side of the movable plate (7) and the inner wall of one side of the fixed box (5) close to the rotating shaft (3), the support (8) is U-shaped, one side of the fixed box (5) far away from the rotating shaft (3) is provided with two round holes, two ends of the support (8) respectively penetrate through the two round holes to be fixedly connected with two ends of the other side of the movable plate (7), two ends of the support (8) are respectively and uniformly provided with convex teeth, the convex teeth are connected with the transmission assembly, the moving assembly is arranged on one side of the fixed box (5), the transmission assembly is connected with the moving assembly, the brake block (16) is in a semicircular ring shape, the brake block (16) is matched with the rotating shaft (3), the moving assembly is connected with one side, far away from the circle center, of the brake block (16), the delay switch (17) is fixed on one side, far away from the rotating shaft (3), in the fixed box (5), the delay switch (17) is arranged opposite to the moving plate (7), and the delay switch (17) is electrically connected with the PLC;
the moving assembly comprises a screw rod (13), a sliding block (14), a connecting rod (15) and two second bearings, the second bearings are fixed on one side of the fixing box (5), two ends of the screw rod (13) are fixedly connected with inner rings of the two second bearings respectively, the sliding block (14) is sleeved on the screw rod (13), a thread matched with the screw rod (13) is arranged at the joint of the sliding block (14) and the screw rod (13), the connecting rod (15) is L-shaped, and two ends of the connecting rod (15) are fixedly connected with the sliding block (14) and a brake pad (16) respectively;
the shielding mechanism comprises a baffle (20) and two lifting components, the two lifting components are respectively arranged on two sides of the push handle (2), the baffle (20) is U-shaped, the sweep (1) is arranged in two ends of the baffle (20), and two ends of the baffle (20) are respectively connected with the two lifting components;
lifting unit includes cylinder (22) and branch (21), the cylinder body and pushing hands (2) fixed connection of cylinder (22), the gas pole of cylinder (22) and the one end fixed connection of branch (21), the other end of two branches (21) respectively with the both ends fixed connection of baffle (20), cylinder (22) are connected with the PLC electricity.
2. The highly reliable hydraulic carrying device as claimed in claim 1, wherein the transmission assembly comprises a transmission shaft (10), a transmission unit, two transmission gears (9) and two third bearings, the two third bearings are respectively fixed on the inner walls of the two sides of the fixed box (5), the two ends of the transmission shaft (10) are respectively fixedly connected with the inner rings of the two third bearings, the two transmission gears (9) are respectively fixed on the two ends of the transmission shaft (10), the two transmission gears (9) are respectively engaged with the convex teeth on the two ends of the bracket (8), one end of the fixed box (5) close to the screw rod (13) is provided with a small hole, and one end of the transmission shaft (10) close to the small hole is connected with the screw rod (13) through the transmission unit.
3. The hydraulic carrying device with high reliability as claimed in claim 2, wherein the transmission unit comprises a first bevel gear (11) and a second bevel gear (12), the first bevel gear (11) is fixedly connected with the transmission shaft (10), the second bevel gear (12) is fixed on the screw rod (13), and the first bevel gear (11) is meshed with the second bevel gear (12).
4. The hydraulic carrying device with high reliability as claimed in claim 1, wherein the speed limiting mechanism further comprises two limiting blocks (18), the two limiting blocks (18) are respectively and fixedly connected with two ends of the moving plate (7), grooves are respectively arranged on two sides of the fixed box (5), the two limiting blocks (18) are respectively arranged inside the two grooves, the limiting blocks (18) are matched with the grooves, and the limiting blocks (18) are slidably connected with the grooves.
5. A highly reliable hydraulic displacement apparatus as claimed in claim 4, wherein said grooves are dovetail grooves.
6. The highly reliable hydraulic conveying device according to claim 1, wherein a recess is uniformly formed on one side of the baffle (20) close to the sweep (1), a ball (23) is arranged in the recess, the center of the ball (23) is arranged in the recess, and the ball (23) abuts against the periphery of the sweep (1).
7. The highly reliable hydraulic carrier device as claimed in claim 1, wherein the brake pads (16) are provided with anti-slip threads on the side close to the rotary shaft (3).
8. The highly reliable hydraulic carrier device as set forth in claim 1, wherein the brake pads (16) are provided with heat dissipating fins (19) uniformly on the side thereof adjacent to the tie rods (15).
9. The highly reliable hydraulic transfer apparatus according to claim 1, wherein the convex teeth are coated with grease.
10. The highly reliable hydraulic transfer apparatus as set forth in claim 1, wherein said lead screw (13) is coated with an anti-corrosion zinc plating layer.
Technical Field
The invention relates to the field of hydraulic equipment, in particular to a hydraulic carrying device with high reliability.
Background
The hydraulic forklift is a dual-purpose vehicle for lifting, loading, unloading and short-distance transportation, and does not generate sparks and electromagnetic fields. It is especially suitable for loading and unloading automobile and loading and unloading transportation of inflammable, explosive and fire-forbidden articles in workshop, warehouse, dock, station, goods yard, etc. The product has the characteristics of balanced lifting, flexible rotation, convenient operation and the like.
When carrying goods, if meet the downhill path, lead to current fork truck's moving speed limit to become fast, make the staff can't control current fork truck, meet dangerous and also can't in time brake equipment, thereby the incident appears easily, the security of current fork truck has been reduced, moreover current fork truck is when the downhill path, the goods of transport is followed the sweep easily and is slided, thereby the probability that the goods damaged has been increased, current fork truck's reliability has been reduced.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: in order to overcome the defects of the prior art, the hydraulic carrying device with high reliability is provided.
The technical scheme adopted by the invention for solving the technical problems is as follows: a high-reliability hydraulic carrying device comprises a sweep, a pushing hand and four moving devices, wherein the pushing hand is fixed on one side of the sweep, the four moving devices are respectively arranged at four corners below the sweep, the four moving devices comprise first bearings, rotating shafts and wheels, the first bearings are fixed below the sweep, two ends of each rotating shaft are respectively fixedly connected with inner rings of the first bearings and the wheels, a PLC is arranged in the sweep, the hydraulic carrying device also comprises a shielding mechanism and four speed limiting mechanisms, the speed limiting mechanisms correspond to the moving devices one by one, the speed limiting mechanisms are arranged on the rotating shafts, the shielding mechanism is arranged on the sweep, and the shielding mechanism is connected with the speed limiting mechanisms;
the speed limiting mechanism comprises a fixed box, a spring, a movable plate, a time delay switch, a support, a transmission assembly, a moving assembly and a brake pad, wherein the fixed box is fixed on a rotating shaft, the movable plate is arranged in the fixed box, two ends of the spring are respectively arranged on the inner wall of one side of the movable plate and the inner wall of one side of the fixed box close to the rotating shaft, the support is U-shaped, one side of the fixed box far away from the rotating shaft is provided with two round holes, two ends of the support respectively penetrate through the two round holes to be fixedly connected with two ends of the other side of the movable plate, the two ends of the support are respectively and uniformly provided with a convex tooth, the convex teeth are connected with the transmission assembly, the moving assembly is arranged on one side of the fixed box, the transmission assembly is connected with the moving assembly, the brake pad is in a semicircular shape, the brake pad is matched with the rotating shaft, and the moving assembly is, the delay switch is fixed on one side, far away from the rotating shaft, in the fixed box, the delay switch is arranged opposite to the moving plate, and the delay switch is electrically connected with the PLC;
the moving assembly comprises a screw rod, a sliding block, a connecting rod and two second bearings, the second bearings are fixed on one side of the fixing box, two ends of the screw rod are fixedly connected with inner rings of the two second bearings respectively, the sliding block is sleeved on the screw rod, a thread matched with the screw rod is arranged at the connecting part of the sliding block and the screw rod, the connecting rod is L-shaped, and two ends of the connecting rod are fixedly connected with the sliding block and a brake pad respectively;
the shielding mechanism comprises a baffle and two lifting components, the two lifting components are respectively arranged on two sides of the pushing handle, the baffle is U-shaped, the turning plate is arranged in two ends of the baffle, and two ends of the baffle are respectively connected with the two lifting components;
the lifting assembly comprises an air cylinder and supporting rods, the cylinder body of the air cylinder is fixedly connected with the push handle, an air rod of the air cylinder is fixedly connected with one end of each supporting rod, the other ends of the two supporting rods are fixedly connected with the two ends of the baffle respectively, and the air cylinder is electrically connected with the PLC.
Preferably, in order to drive the screw rod to rotate, the transmission assembly comprises a transmission shaft, a transmission unit, two transmission gears and two third bearings, the two third bearings are respectively fixed on the inner walls of the two sides of the fixing box, the two ends of the transmission shaft are respectively fixedly connected with the inner rings of the two third bearings, the two transmission gears are respectively fixed on the two ends of the transmission shaft, the two transmission gears are respectively meshed with the convex teeth on the two ends of the support, a small hole is formed in one end, close to the screw rod, of the fixing box, and one end, close to the small hole, of the transmission shaft penetrates through the small hole and is connected with the screw rod.
Preferably, in order to transmit power, the transmission unit comprises a first bevel gear and a second bevel gear, the first bevel gear is fixedly connected with the transmission shaft, the second bevel gear is fixed on the screw rod, and the first bevel gear is meshed with the second bevel gear.
Preferably, in order to limit the moving direction of the moving plate, the speed limiting mechanism further comprises two limiting blocks, the two limiting blocks are respectively and fixedly connected with the two ends of the moving plate, grooves are formed in the two sides of the fixing box, the two limiting blocks are respectively arranged inside the two grooves, the limiting blocks are matched with the grooves, and the limiting blocks are connected with the grooves in a sliding mode.
Preferably, in order to avoid the separation of the limiting block and the groove, the groove is a dovetail groove.
Preferably, in order to make the baffle move smoothly, a notch is uniformly formed on one side of the baffle close to the vehicle plate, a ball is arranged in the notch, the center of the ball is arranged inside the notch, and the ball abuts against the periphery of the vehicle plate.
Preferably, in order to realize the anti-skid function, anti-skid grains are arranged on one side, close to the rotating shaft, of the brake pad.
Preferably, in order to improve the heat dissipation effect, heat dissipation fins are uniformly arranged on one side, close to the connecting rod, of the brake pad.
Preferably, the teeth are coated with grease in order to make the gear smoothly rotate.
Preferably, the lead screw is coated with an anti-corrosion zinc coating in order to prevent corrosion of the lead screw.
The hydraulic carrying device with high reliability has the advantages that the hydraulic carrying device with high reliability realizes the function of limiting the speed of the rotating shaft through the speed limiting mechanism, prevents workers from losing control over the device due to too fast movement of the device, thereby improving the reliability of the device during operation, compared with the existing speed limiting mechanism, the speed limiting mechanism detects the rotating speed through the centrifugal force of the rotating shaft without using electronic equipment, belongs to a pure mechanical structure, has strong anti-interference capability, can shield the carried materials when the device moves too fast through the shielding mechanism, prevents the materials from sliding off a vehicle board due to too fast speed during downhill, thereby reducing the probability of damage caused by falling of the materials, thereby improving the reliability of the carried materials, compared with the existing shielding mechanism, the shielding mechanism and the speed limiting moving plate mechanism are an integrated linkage mechanism, controls the opening and closing of the air cylinder through the abutting of the speed limiting moving plate and the delay switch, need not artificial control, the operation is more convenient, and the practicality is higher.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic structural view of a highly reliable hydraulic transfer apparatus according to the present invention;
FIG. 2 is a plan view of a shutter mechanism of the highly reliable hydraulic transfer apparatus according to the present invention;
FIG. 3 is an enlarged view of portion A of FIG. 2;
FIG. 4 is an enlarged view of portion B of FIG. 2;
in the figure: 1. the automobile brake device comprises a bicycle plate, 2. a push handle, 3. a rotating shaft, 4. wheels, 5. a fixed box, 6. a spring, 7. a moving plate, 8. a bracket, 9. a transmission gear, 10. a transmission shaft, 11. a first bevel gear, 12. a second bevel gear, 13. a screw rod, 14. a sliding block, 15. a connecting rod, 16. a brake block, 17. a delay switch, 18. a limiting block, 19. a radiating fin, 20. a baffle, 21. a support rod, 22. an air cylinder and 23. balls.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.
As shown in fig. 1, a high-reliability hydraulic carrying device comprises a vehicle plate 1, a pushing handle 2 and four moving devices, wherein the pushing handle 2 is fixed at one side of the vehicle plate 1, the four moving devices are respectively arranged at four corners below the vehicle plate 1, the four moving devices comprise a first bearing, a rotating shaft 3 and wheels 4, the first bearing is fixed below the vehicle plate 1, two ends of the rotating shaft 3 are respectively fixedly connected with an inner ring of the first bearing and the wheels 4, a PLC is arranged in the vehicle plate 1, the hydraulic carrying device further comprises a shielding mechanism and four speed limiting mechanisms, the speed limiting mechanisms correspond to the moving devices one by one, the speed limiting mechanisms are arranged on the rotating shaft 3, the shielding mechanism is arranged on the vehicle plate 1, and the shielding mechanism is connected with the speed limiting mechanisms;
PLCs, i.e., programmable logic controllers, are generally used for the processing of data and the receipt and output of instructions for central control.
This hydraulic pressure handling device that reliability is high passes through speed limiting mechanism, has realized the function of the 3 speed limits of countershaft, avoid equipment to remove too fast and make the staff lose control to equipment, thereby the reliability of equipment during operation has been improved, through sheltering from the mechanism, can shelter from the material of transport when equipment removes too fast, the speed of a motor vehicle is too fast and makes the material follow sweep 1 and slide when avoiding the downhill path, thereby reduced the material and fallen and the probability of damage, thereby the reliability of transport material has been improved.
As shown in fig. 3, the speed limiting mechanism includes a fixed box 5, a spring 6, a movable plate 7, a time delay switch 17, a bracket 8, a transmission assembly, a movable assembly and a brake pad 16, the fixed box 5 is fixed on the rotating shaft 3, the movable plate 7 is arranged inside the fixed box 5, two ends of the spring 6 are respectively fixed on the inner walls of one side of the movable plate 7 and one side of the fixed box 5 close to the rotating shaft 3, the bracket 8 is U-shaped, one side of the fixed box 5 far away from the rotating shaft 3 is provided with two round holes, two ends of the bracket 8 respectively penetrate through the two round holes to be fixedly connected with two ends of the other side of the movable plate 7, two ends of the bracket 8 are respectively and uniformly provided with a convex tooth, the convex tooth is connected with the transmission assembly, the movable assembly is arranged on one side of the fixed box 5, the transmission assembly is connected with the movable assembly, the brake pad 16 is semicircular, the brake pad 16 is matched with the rotating shaft 3, the moving assembly is connected with one side, far away from the center of a circle, of the brake pad 16, the delay switch 17 is fixed on one side, far away from the rotating shaft 3, in the fixed box 5, the delay switch 17 is arranged opposite to the moving plate 7, and the delay switch 17 is electrically connected with the PLC;
the moving assembly comprises a screw rod 13, a sliding block 14, a connecting rod 15 and two second bearings, the second bearings are fixed on one side of the fixed box 5, two ends of the screw rod 13 are fixedly connected with inner rings of the two second bearings respectively, the sliding block 14 is sleeved on the screw rod 13, a thread matched with the screw rod 13 is arranged at the joint of the sliding block 14 and the screw rod 13, the connecting rod 15 is L-shaped, and two ends of the connecting rod 15 are fixedly connected with the sliding block 14 and a brake pad 16 respectively;
when the equipment moves in a downhill when carrying materials, the speed of the equipment is too high, the rotating speed of the rotating shaft 3 is too high, the centrifugal force applied to the movable plate 7 is larger, the movable plate 7 moves towards the direction far away from the rotating shaft 3, the extension spring 6 drives the bracket 8 to move, the transmission assembly works, the screw rod 13 is driven to rotate, the slide block 14 moves towards the direction close to the rotating shaft 3, the brake block 16 is driven to move towards the direction close to the rotating shaft 3 through the connecting rod 15, the brake block 16 is abutted against the rotating shaft 3 to provide certain resistance for the rotating shaft 3, the rotating speed of the rotating shaft 3 is reduced, the function of limiting the speed of the rotating shaft 3 is realized, the condition that the equipment is out of control by a worker due to the too high movement of the equipment is avoided, the reliability of the equipment in working is improved, when the movable plate 7 moves towards the direction far away from the rotating shaft 3, the PLC controls the shielding mechanism to work, the function of shielding materials is achieved, the phenomenon that the materials slide off the sweep 1 due to the fact that the speed of the vehicle is too fast when the vehicle runs downhill is avoided, the probability that the materials are damaged due to falling is reduced, and the reliability of material carrying is improved.
As shown in fig. 2, the shielding mechanism includes a
lifting unit includes cylinder 22 and branch 21, cylinder 22's cylinder body and 2 fixed connection of pushing hands, cylinder 22's gas pole and the one end fixed connection of branch 21, the other end of two branches 21 respectively with the both ends fixed connection of
When the moving plate 7 moves in the direction far away from the rotating shaft 3 and abuts against the delay switch 17, a signal is sent to the PLC, the PLC controls the cylinder 22 to be started, the air rod is extended, the
Preferably, in order to drive the screw rod 13 to rotate, the transmission assembly includes a transmission shaft 10, a transmission unit, two transmission gears 9 and two third bearings, the two third bearings are respectively fixed on the inner walls of the two sides of the fixing box 5, the two ends of the transmission shaft 10 are respectively fixedly connected with the inner rings of the two third bearings, the two transmission gears 9 are respectively fixed on the two ends of the transmission shaft 10, the two transmission gears 9 are respectively engaged with the convex teeth on the two ends of the bracket 8, one end of the fixing box 5 close to the screw rod 13 is provided with a small hole, and one end of the transmission shaft 10 close to the small hole passes through the small hole and is connected with the screw rod 13 through the.
Preferably, for transmitting power, the transmission unit comprises a first bevel gear 11 and a second bevel gear 12, the first bevel gear 11 is fixedly connected with the transmission shaft 10, the second bevel gear 12 is fixed on the screw rod 13, and the first bevel gear 11 is meshed with the second bevel gear 12.
When the rotating speed of the rotating shaft 3 is too high, the centrifugal force applied to the moving plate 7 is larger, so that the moving plate 7 moves towards the direction far away from the rotating shaft 3, the spring 6 is stretched, the bracket 8 is driven to move, the transmission gear 9 is rotated through the engagement of the convex teeth and the transmission gear 9, the transmission shaft 10 is rotated, thereby driving the first bevel gear 11 to rotate, and through the engagement of the first bevel gear 11 and the second bevel gear 12, the screw rod 13 is rotated, thereby driving the slide block 14 to move towards the direction close to the rotating shaft 3, driving the brake block 16 to move towards the direction close to the rotating shaft 3 through the connecting rod 15, the brake block 16 is abutted against the rotating shaft 3, a certain resistance is provided for the rotating shaft 3, the rotating speed of the rotating shaft 3 is reduced, therefore, the function of limiting the speed of the rotating shaft 3 is realized, the phenomenon that the equipment is too fast to move so that the staff loses control over the equipment is avoided, and the reliability of the equipment during working is improved.
Preferably, in order to limit the moving direction of the moving plate 7, the speed limiting mechanism further includes two limiting blocks 18, the two limiting blocks 18 are respectively and fixedly connected with two ends of the moving plate 7, grooves are respectively formed in two sides of the fixed box 5, the two limiting blocks 18 are respectively arranged inside the two grooves, the limiting blocks 18 are matched with the grooves, and the limiting blocks 18 are slidably connected with the grooves.
Preferably, to avoid the stopper 18 from disengaging from the groove, the groove is a dovetail groove.
When the moving plate 7 moves, the limiting block 18 is driven to move along the groove, so that the moving direction of the moving plate 7 is limited, the moving plate 7 is more stable when moving, the moving direction of the convex teeth is limited, the phenomenon that the convex teeth are not meshed with the transmission gear 9 due to the fact that the support 8 inclines is avoided, and the reliability of the device during working is improved.
As shown in fig. 4, a recess is uniformly formed on one side of the
Through setting up
Preferably, in order to realize the anti-slip function, the brake pad 16 is provided with anti-slip lines on one side close to the rotating shaft 3.
Through setting up anti-skidding line, can increase frictional force when brake block 16 supports with pivot 3 and leans on, the damping effect to pivot 3 is better.
Preferably, in order to improve the heat dissipation effect, the brake pad 16 is uniformly provided with heat dissipation fins 19 on a side thereof adjacent to the connecting rod 15.
Through setting up radiating fin 19, increased the area of contact of brake block 16 with the outside air to promote brake block 16's radiating effect, avoided brake block 16 overheated and shorten life, thereby improved the practicality of equipment.
Preferably, in order to make the gear rotate smoothly, the convex teeth are coated with grease, so that the friction force between the transmission gear 9 and the convex teeth is reduced, the transmission gear 9 rotates more smoothly, and the smoothness of the transmission shaft 10 during rotation is improved.
Preferably, in order to prevent the lead screw 13 from being corroded, the lead screw 13 is coated with an anti-corrosion zinc coating.
When the equipment is used for carrying materials and meets a downhill, the speed of the equipment is over high, the rotating speed of the rotating shaft 3 is over high, the centrifugal force applied to the movable plate 7 is larger, the movable plate 7 moves towards the direction far away from the rotating shaft 3, the extension spring 6 drives the support 8 to move, the transmission gear 9 rotates through the engagement of the convex teeth and the transmission gear 9, the transmission shaft 10 rotates, the first bevel gear 11 is driven to rotate, the lead screw 13 rotates through the engagement of the first bevel gear 11 and the second bevel gear 12, the slide block 14 is driven to move towards the direction close to the rotating shaft 3, the brake block 16 is driven to move towards the direction close to the rotating shaft 3 through the connecting rod 15, the brake block 16 is abutted against the rotating shaft 3, a certain resistance is provided for the rotating shaft 3, the rotating speed of the rotating shaft 3 is reduced, the function of limiting the rotating shaft 3 is realized, and the phenomenon that the equipment, thereby the reliability of equipment during operation has been improved, when the movable plate 7 moves to the direction of keeping away from pivot 3 and supports and lean on with time delay switch 17, send signal for PLC, PLC control cylinder 22 starts, extension gas pole, drive baffle 20 rebound through branch 21, thereby realized the function that shelters from the material, the speed of a motor vehicle is too fast and makes the material follow sweep 1 and slide when avoiding the downhill path, thereby reduced the material and fallen and the probability of damage, thereby improved the reliability of transport material.
Compared with the prior art, the hydraulic carrying device with high reliability realizes the function of limiting the speed of the rotating shaft 3 through the speed limiting mechanism, avoids the condition that the equipment is too fast to cause the staff to lose control over the equipment, thereby improving the reliability of the equipment during working, compared with the prior speed limiting mechanism, the speed limiting mechanism detects the rotating speed through the centrifugal force of the rotating shaft 3 without using electronic equipment to detect the rotating speed, belongs to a pure mechanical structure, has strong anti-interference capability, can shield the carried materials when the equipment is too fast to move through the shielding mechanism, avoids the materials from sliding off the vehicle plate 1 due to too fast vehicle speed during downhill, thereby reducing the probability of damage caused by falling of the materials, thereby improving the reliability of the carried materials, compared with the prior shielding mechanism, the shielding mechanism and the moving plate mechanism are an integrated linkage mechanism, controls the opening and closing of the air cylinder 22 through the leaning of the speed limiting mechanism 7 and the delay switch 17, need not artificial control, the operation is more convenient, and the practicality is higher.
In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
- 上一篇：一种医用注射器针头装配设备
- 下一篇：一种建筑管道安装用起重机