CN117068808B - Hydraulic loading and unloading platform - Google Patents
Hydraulic loading and unloading platform Download PDFInfo
- Publication number
- CN117068808B CN117068808B CN202311333239.6A CN202311333239A CN117068808B CN 117068808 B CN117068808 B CN 117068808B CN 202311333239 A CN202311333239 A CN 202311333239A CN 117068808 B CN117068808 B CN 117068808B
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- underframe
- supporting plate
- sliding
- rod
- push rod
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- 230000008093 supporting effect Effects 0.000 claims abstract description 77
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 15
- 230000005540 biological transmission Effects 0.000 claims description 16
- 238000000034 method Methods 0.000 abstract description 7
- 230000008569 process Effects 0.000 abstract description 7
- 230000001105 regulatory effect Effects 0.000 abstract description 2
- 238000013461 design Methods 0.000 description 3
- 239000010720 hydraulic oil Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 238000013519 translation Methods 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G69/00—Auxiliary measures taken, or devices used, in connection with loading or unloading
- B65G69/22—Horizontal loading or unloading platforms
- B65G69/24—Horizontal loading or unloading platforms having platform level adjusting means
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G67/00—Loading or unloading vehicles
- B65G67/02—Loading or unloading land vehicles
Abstract
The application discloses a hydraulic loading and unloading platform which comprises first underframe, second underframe, connecting frames, main shafts and double-shaft motors, wherein two first underframe are symmetrically arranged, and one end of the top of each first underframe is provided with a first supporting frame; according to the application, in the process of rotating the side plate, the sliding block can synchronously slide in the second guide groove, the pneumatic push rod is started to pull the sliding rod to slide along the first guide groove, the tail end of the clamping piece is driven to outwards overturn by the sliding rod during sliding, the clamping piece is temporarily disconnected with the sliding block at the moment, after the first supporting plate is regulated to a proper angle, the pneumatic push rod is restarted to push the clamping piece to be clamped with the sliding block again, so that the pressure fit clamping piece born by the first supporting plate and the sliding block can be transmitted to the reinforcing frame, the pressure of the hydraulic push rod is reduced, meanwhile, the support can be continuously provided after the hydraulic push rod is out of pressure, and the integral use safety is improved.
Description
Technical Field
The application relates to the technical field related to loading and unloading platforms, in particular to a hydraulic loading and unloading platform.
Background
The loading and unloading platform is also called a loading and unloading dock or a cargo bed, a cargo bed height adjusting plate and the like, is an important component part of the whole facility flow of an enterprise, is a starting point and an ending point of a facility circulation program of materials, is a connection bridge design for connecting the cargo bed and a truck tail gap in loading and unloading operation, is higher than or lower than the cargo bed of various truck tails of different types, and is characterized in that the loading and unloading platform is a connection bridge design for connecting the cargo bed and the truck tail gap in loading and unloading operation, and the reference publication number is that: "CN207774369U", disclosed as "loading and unloading platform", comprises: the device comprises a lifting platform, a lip plate, an anti-pinch guard plate, a first hydraulic driving rod, a second hydraulic driving rod, an electromagnetic valve and an explosion-proof valve; the first hydraulic drive rod is arranged at the bottom of the lifting platform, one end of the lifting platform is driven to lift or fall, the lip plate is pivotally connected to the front end of the lifting platform, the second hydraulic drive rod drives the lip plate to perform pivotal movement, the foot clamping prevention guard plate is arranged at two sides of the lifting platform in a folding mode and is pivotally connected with the lifting platform, the electromagnetic valve maintains the lifting platform to be at a high-point position, and the explosion prevention valve is arranged on hydraulic oil loops of the first hydraulic drive rod and the second hydraulic drive rod and selectively blocks the hydraulic oil loops.
The existing unloading platform is generally simple in structure, after the platform is lifted, the pressure born by the platform in the loading process can be fully applied to a hydraulic system, the long-time overlarge pressure can easily cause the hydraulic system to reduce the service life because of overlarge pressure bearing, and in the use process, when the hydraulic system loses pressure, the platform can instantly lose supporting force, property loss or safety accidents are easily caused, meanwhile, the top end of the platform is generally lack of a horizontal transition mechanism after the platform is lifted, an operator cannot stably stand on the platform by the inclined platform, the loading and unloading efficiency is influenced, and potential safety hazards exist.
Disclosure of Invention
In view of the above, the present application aims at overcoming the drawbacks of the prior art, and its main objective is to provide a hydraulic loading and unloading platform, so as to solve the problems of large bearing pressure of the hydraulic system, loss of supporting force after the hydraulic system loses pressure and potential safety hazard in the background.
In order to achieve the above purpose, the present application adopts the following technical scheme:
the hydraulic loading and unloading platform comprises first underframe, second underframe, connecting frames, main shafts and double-shaft motors, wherein two first underframe are symmetrically arranged, one end of the top of each first underframe is provided with a first supporting frame, and the other end of the top of each first underframe is provided with a second supporting frame;
further, the second bottom frame is arranged between the two first bottom frames, and two ends of the bottom of the second bottom frame are respectively connected with one ends of the two first bottom frames through bolts; the connecting frame is arranged between the two first underframes, and two ends of the connecting frame are respectively connected with one ends of the two first underframes through bolts;
further, two ends of the main shaft are respectively connected with two ends of the top of the second underframe and the top ends of the two first supporting frames in a rotating way, two brackets are symmetrically arranged on the main shaft, and the top ends of the two brackets are welded with the bottom of the first supporting plate; the front end of the first supporting plate is provided with a second supporting plate;
further, a countershaft is arranged at the rear end between the two first underframe, two hydraulic ejector rods are symmetrically arranged on the countershaft, and the top ends of the two hydraulic ejector rods are respectively connected with one ends of the bottoms of the two brackets.
Further, two driving screw rods are respectively arranged at two ends of the double-shaft motor, and the two driving screw rods are respectively connected with the two first underframe; a transmission block is respectively arranged on each driving screw rod, and a telescopic frame is arranged at the front end of each transmission block; the top end of each expansion bracket is respectively connected with two ends of the adapter; the adapter is connected with the push rod, two ejector rods are respectively arranged at two ends of the push rod, and the front ends of the two ejector rods are connected with the inner end surface of the second supporting plate.
Further, the two first underframes are mutually parallel and connected with the auxiliary shaft in a rotating way;
further, the hydraulic ejector rod is matched with the bracket and the first supporting plate to form a rotating structure, and the first supporting plate and the second supporting plate are connected in a rotating mode.
Further, a reinforcing frame is mounted at the middle end of the top of each first underframe, a sliding block is mounted at the top end of each reinforcing frame, and meanwhile the sliding blocks are connected with the reinforcing frames in a rotating mode.
Further, two ends of the bottom of the first supporting plate are respectively provided with two side plates, each side plate is provided with a first guide groove and a second guide groove, and meanwhile, the first guide groove and the second guide groove are of arc structures;
further, one side of each side plate is provided with a clamping piece, and the clamping pieces are connected with the side plates in a rotating way;
further, a pneumatic push rod is mounted on the other side of each side plate, a slide rod is mounted on the extension end of each pneumatic push rod, and each slide rod penetrates through a first guide groove and is connected with the lower end of one clamping piece.
Further, each sliding block is connected with one second guide groove, the sliding connection mode of the sliding blocks and the second guide grooves is sliding connection, and meanwhile, each sliding block is respectively connected with one clamping piece in a clamping mode;
further, the sliding block is of an arc-shaped structure, and one side, close to the clamping piece, of the sliding block is of a tooth structure.
Further, the sliding rod is connected with the first guide groove in a sliding way, and the sliding rod is matched with the pneumatic push rod and the clamping piece to form a rotating structure;
further, one side of the clamping piece, which is close to the sliding block, is in a tooth structure.
Further, the driving screw rod is in threaded connection with the transmission block, the transmission block is in rotary connection with the telescopic frame, and the telescopic frame is in rotary connection with the adaptor;
further, the length of the telescopic frame is longer than that of the driving screw rod.
Further, two sliding rollers are respectively arranged at two ends of the push rod, the two sliding rollers are respectively connected with the two guide rails in a sliding manner, and meanwhile, the two guide rails are respectively arranged on the outer walls of the two first underframe.
Further, the ejector rod is rotationally connected with the ejector rod in a connection mode, the ejector rod is rotationally connected with the second supporting plate in a connection mode, and meanwhile, the adapter piece is matched with the ejector rod and the second supporting plate to form a rotating structure.
Compared with the prior art, the application has obvious advantages and beneficial effects, and in particular, the technical scheme can be as follows:
1. according to the application, the side plate, the sliding block and the clamping piece are arranged, the hydraulic ejector rod pushes the first supporting plate to rotate upwards and simultaneously drives the side plate to rotate synchronously, and the arc center of the second guide groove on the side plate coincides with the transverse axis of the main shaft, so that the sliding block can slide synchronously in the second guide groove stably in the process of rotating the side plate, meanwhile, the pneumatic ejector rod is started to pull the sliding rod to slide along the first guide groove, the tail end of the clamping piece can be driven to turn outwards when the sliding rod slides, at the moment, the clamping piece is temporarily disconnected with the sliding block, and after the first supporting plate is regulated to a proper angle, the pneumatic ejector rod is restarted to push the clamping piece to be clamped with the sliding block again, and the pressure fit clamping piece and the sliding block borne by the first supporting plate can be transmitted to the reinforcing frame, so that the hydraulic ejector rod is reduced in pressure, and support can be continuously provided after the hydraulic ejector rod is out of pressure, and the integral use safety is improved.
2. According to the application, the double-shaft motor, the driving screw rod and the telescopic frame are arranged, the double-shaft motor is started while the hydraulic ejector rod is started, the double-shaft motor is provided with two output shafts which are respectively connected with the two driving screw rods, the two driving screw rods are driven to synchronously rotate, the two transmission blocks can be driven to synchronously move in opposite directions, when the two transmission blocks are mutually close, the two telescopic frames are driven to mutually close, the push rod is further pushed to the front end, the push rod is matched with the ejector rod to push the second supporting plate to synchronously overturn upwards, after the first supporting plate is adjusted to a proper angle, the included angle between the second supporting plate and the first supporting plate can be independently adjusted, the oppositely inclined first supporting plate can be adjusted to be parallel to the ground, or the included angle between the second supporting plate and the ground is adjusted to be the same as the included angle between the first supporting plate and the ground, and the telescopic frame can be used as the extension of the first supporting plate, and the operation range and the safety in use are improved.
3. In the application, the device is arranged in the preset mounting groove of the foundation after being mounted, the whole frame structure is formed by connecting and combining the first underframe, the first support frame, the second underframe and the connecting frame, the sizes of the first underframe, the first support frame, the second underframe and the connecting frame are convenient for customizing, and the reinforcing frame and the sliding block for providing the locking function and the rigid supporting effect can be independently replaced, so that the mounting and maintaining efficiency is improved through the modularized design.
In order to more clearly illustrate the structural features and efficacy of the present application, the present application will be described in detail below with reference to the accompanying drawings and examples.
Drawings
FIG. 1 is a schematic perspective view of the present application;
FIG. 2 is a schematic perspective view of a first pallet according to the present application;
FIG. 3 is a side view of FIG. 2 of the present application;
FIG. 4 is a bottom view of FIG. 2 of the present application;
FIG. 5 is a rear view of FIG. 4 in accordance with the present application;
FIG. 6 is a plan side view of a first chassis of the present application;
FIG. 7 is a schematic perspective view of a bracket according to the present application;
FIG. 8 is a side view of FIG. 7 in accordance with the present application;
FIG. 9 is an enlarged view of the application at A in FIG. 5;
fig. 10 is an enlarged view of the present application at B in fig. 8.
The reference numerals are as follows:
1. the first chassis, 2-first support frame, 3-second support frame, 4-second chassis, 5-connecting frame, 6-main shaft, 7-bracket, 8-first supporting plate, 9-auxiliary shaft, 10-hydraulic ejector pin, 11-second supporting plate, 12-side plate, 13-first guide groove, 14-second guide groove, 15-reinforcing frame, 16-slide block, 17-clamping piece, 18-slide bar, 19-pneumatic push bar, 20-double-shaft motor, 21-driving screw rod, 22-transmission block, 23-expansion bracket, 24-adapter, 25-push bar, 26-slide roller, 27-guide rail, 28-ejector pin.
Detailed Description
It should be noted that, without conflict, the embodiments of the present application and features of the embodiments may be combined with each other. The application will be described in detail below with reference to the drawings in connection with embodiments.
In order to make the present application better understood by those skilled in the art, the following description of the technical solutions of the present application will be made in detail, but not all embodiments of the present application are apparent to some embodiments of the present application, with reference to the accompanying drawings in the embodiments of the present application. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present application without making any inventive effort, shall fall within the scope of the present application.
Referring to fig. 1, 2, 3, 4, 5 and 6, the device comprises a first chassis 1, a second chassis 4, a connecting frame 5, a main shaft 6 and a dual-shaft motor 20, wherein the first chassis 1 is symmetrically provided with two first support frames 2 at one end of the top of each first chassis 1, and a second support frame 3 at the other end of the top of each first chassis 1; the second underframe 4 is arranged between the two first underframes 1, and two ends of the bottom of the second underframe 4 are respectively connected with one ends of the two first underframes 1 through bolts; the connecting frame 5 is arranged between the two first underframe 1, and two ends of the connecting frame 5 are respectively connected with one ends of the two first underframe 1 through bolts; the two ends of the main shaft 6 are respectively and rotatably connected with the two ends of the top of the second underframe 4 and the top ends of the two first supporting frames 2, two brackets 7 are symmetrically arranged on the main shaft 6, and the top ends of the two brackets 7 are welded with the bottom of the first supporting plate 8; the front end of the first supporting plate 8 is provided with a second supporting plate 11; a secondary shaft 9 is arranged at the rear end between the two first underframe 1, two hydraulic ejector rods 10 are symmetrically arranged on the secondary shaft 9, and the top ends of the two hydraulic ejector rods 10 are respectively connected with one ends of the bottoms of the two brackets 7. Two driving screw rods 21 are respectively arranged at two ends of the double-shaft motor 20, and the two driving screw rods 21 are respectively connected with the two first underframe 1; a transmission block 22 is respectively arranged on each driving screw rod 21, and a telescopic frame 23 is arranged at the front end of each transmission block 22; the top end of each expansion bracket 23 is respectively connected with two ends of the adapter 24; the adaptor 24 is connected with the push rod 25, two push rods 28 are respectively mounted at two ends of the push rod 25, and front ends of the two push rods 28 are connected with inner end surfaces of the second supporting plate 11.
Specifically, the device needs to be provided with a mounting groove with a corresponding volume on a flat and solid foundation before being mounted, the bottoms of the first underframe 1 and the connecting frame 5 are provided with a plurality of waist holes, and the first underframe 1 and the connecting frame 5 are fixedly connected with the ground by matching bolts.
As a further explanation of the present embodiment, the first chassis 1, the first support frame 2, the second support frame 3, the second chassis 4 and the connecting frame 5 are all fixedly connected by bolts, and the two second support frames 3 are used for supporting the front ends of the first supporting plates 8.
Referring to fig. 4, 5, 7 and 8, in the present embodiment, two first underframes 1 are parallel to each other, and the first underframe 1 is connected with the auxiliary shaft 9 in a rotating manner; the hydraulic ejector rod 10 is matched with the bracket 7 and forms a rotating structure with the first supporting plate 8, and the first supporting plate 8 and the second supporting plate 11 are connected in a rotating way.
Specifically, the first supporting plate 8 is kept parallel to the ground in the initial state, and the top of the first supporting plate 8 is at the same height as the ground.
As a further explanation of this embodiment, the first supporting plate 8 maintains a right angle with the second supporting plate 11 in the initial state, so that it can cover two surfaces of the installation groove formed in the foundation, reduce the probability of foreign matters falling into the device, and improve the use safety.
Referring to fig. 2, 3, 4, 5, 6, 7 and 8, in this embodiment, a reinforcing frame 15 is mounted at the middle end of the top of each first chassis 1, and a slider 16 is mounted at the top end of each reinforcing frame 15, and meanwhile, the slider 16 is connected to the reinforcing frame 15 in a rotating manner.
Specifically, after the slider 16 and the engaging member 17 are engaged with each other, the side plate 12 and the first pallet 8 are given a certain rigid supporting effect by the reinforcing frame 15, and the pressure applied to the hydraulic jack 10 is reduced.
As a further explanation of the present embodiment, the reinforcing frame 15 is fixedly connected with the first chassis 1 by bolts, so that the reinforcing frame is convenient to be detached and replaced separately.
Referring to fig. 2, 3, 4, 5, 6, 7 and 8, in this embodiment, two side plates 12 are respectively mounted at two ends of the bottom of the first supporting plate 8, and each side plate 12 is provided with a first guiding slot 13 and a second guiding slot 14, and meanwhile, the first guiding slot 13 and the second guiding slot 14 are both arc structures; one side of each side plate 12 is provided with a clamping piece 17, and the clamping pieces 17 are connected with the side plates 12 in a rotating way; a pneumatic push rod 19 is mounted on the other side of each side plate 12, a slide rod 18 is mounted on the extension end of each pneumatic push rod 19, and each slide rod 18 penetrates through a first guide groove 13 and is connected with the lower end of a clamping piece 17.
Specifically, the side plate 12 and the first supporting plate 8 are fixed by bolts, and the included angle between the side plate 12 and the first supporting plate 8 is kept to be a right angle.
As a further explanation of this embodiment, the top end of the engaging member 17 is rotatably connected to the side plate 12 via a rotation shaft, and the axis of the rotation shaft coincides with the center of the arc-shaped edge of the first guide groove 13.
Referring to fig. 2, 3, 4, 5, 6, 7, 8 and 10, in this embodiment, each of the sliding blocks 16 is connected to one of the second guiding grooves 14, and the sliding blocks 16 are connected to the second guiding groove 14 in a sliding manner, and each of the sliding blocks 16 is respectively engaged with one of the engaging members 17; the sliding block 16 is of an arc-shaped structure, and one side of the sliding block 16, which is close to the clamping piece 17, is of a tooth structure.
Specifically, the slider 16 is engaged with the engaging member 17 through a tooth structure, and the number of side teeth of the engaging member 17 is greater than that of side teeth of the slider 16.
As a further explanation of this embodiment, in the initial state, the center of the arc-shaped edge of the engaging member 17 coincides with the center of the arc-shaped edge of the slider 16.
Referring to fig. 2, 3, 4, 5, 6, 7 and 8, in this embodiment, the sliding rod 18 is slidably connected to the first guiding slot 13, and the sliding rod 18 cooperates with the pneumatic push rod 19 and the engaging member 17 to form a rotating structure; the side of the clamping piece 17, which is close to the sliding block 16, is in a tooth structure.
Specifically, the pneumatic push rod 19 pulls the slide rod 18, so that the slide rod 18 slides along the first guide groove 13, and the slide rod 18 drives the clamping piece 17 to rotate, so that the distance between the clamping piece 17 and the slide block 16 is adjusted.
As a further explanation of the present embodiment, in the process of adjusting the angle of the first pallet 8, the engagement member 17 is ensured not to contact with the slider 16, and the smoothness of the first pallet 8 during rotation is improved.
Referring to fig. 4, 5, 7, 8 and 9, in this embodiment, the driving screw 21 is connected to the driving block 22 in a threaded manner, the driving block 22 is connected to the telescopic frame 23 in a rotational manner, and the telescopic frame 23 is connected to the adaptor 24 in a rotational manner; the length of the telescopic frame 23 is longer than that of the driving screw 21.
Specifically, the double-shaft motor 20 is provided with two output shafts, the two output shafts are respectively connected with two driving screw rods 21, and the two driving screw rods 21 are driven to synchronously rotate by the double-shaft motor 20.
As a further explanation of the present embodiment, the corresponding two transmission blocks 22 are driven to rotate in the opposite directions by driving the driving screw 21 to rotate.
Referring to fig. 7 and 8, in the present embodiment, two sliding rollers 26 are respectively mounted at two ends of the push rod 25, the two sliding rollers 26 are respectively slidably connected with two guide rails 27, and the two guide rails 27 are respectively disposed on the outer walls of the two first chassis 1.
Specifically, each of the slide rollers 26 is free to rotate, reducing friction of the push rod 25 during translation.
As a further illustration of this embodiment, one end of the rail 27 is in an open configuration to facilitate quick replacement of the push rod 25 as desired.
Referring to fig. 4, 5, 7 and 8, in the present embodiment, the connection mode of the push rod 28 and the push rod 25 is a rotational connection, and the connection mode of the push rod 28 and the second supporting plate 11 is a rotational connection, and meanwhile, the adaptor 24 cooperates with the push rod 28 and the second supporting plate 11 to form a rotational structure.
Specifically, the included angle between the second supporting plate 11 and the first supporting plate 8 can be adjusted according to the requirement through the rotating structure, so that the second supporting plate 11 serves as the extension of the first supporting plate 8, and the area of the operation platform is increased.
As a further explanation of this embodiment, when the second supporting plate 11 receives pressure, the pressure is transmitted to two ends of the push rod 25 through the two push rods 28, and the pressure of the push rod 25 is transmitted to the two transmission blocks 22 through the adaptor 24 and the expansion bracket 23, so that the transmission blocks 22 keep a static state in the use process, the abrasion of the transmission blocks 22 to the threads on the driving screw rod 21 can be effectively reduced, and the service life of the driving screw rod 21 is prolonged.
The working principle of the application is as follows: when the two-way hydraulic lifting device is used, an external power supply is firstly connected, the two hydraulic lifting rods 10 are started, the top ends of the hydraulic lifting rods 10 start to extend, the whole first supporting plate 8 is further pushed to start to rotate upwards, the two pneumatic lifting rods 19 are synchronously started, the two pneumatic lifting rods 19 simultaneously pull the two sliding rods 18 to synchronously slide along the two first guide grooves 13, the sliding rods 18 pull the corresponding clamping pieces 17 to outwards turn over, the clamping pieces 17 are disconnected with the corresponding sliding blocks 16, the first supporting plate 8 drives the side plates 12 to synchronously rotate in the upward turning process, at the moment, the sliding blocks 16 synchronously slide in the corresponding second guide grooves 14, after the first supporting plate 8 is adjusted to a proper angle, the two hydraulic lifting rods 10 are closed, then the two pneumatic lifting rods 19 are started again, the clamping pieces 17 are matched with the sliding rods 18 to restore to the initial position, the clamping pieces 17 are in clamping connection with the corresponding sliding blocks 16, then the double-shaft motor 20 is started, the two driving screw rods 21 are driven to synchronously rotate, the two driving pieces 22 are driven to synchronously start to mutually approach each other when the driving screw rods 21 rotate, the two telescopic frames 23 are driven to start to be mutually close, so that the switching pieces 24 and the two lifting rods 25 are pushed to synchronously move forward until the two supporting plates 11 are matched with the two supporting plates 11 to be turned over to a proper angle, and then the two supporting plates 11 are adjusted to be closed, and the two supporting plates can be adjusted to be closed.
The foregoing description is only a preferred embodiment of the present application, and is not intended to limit the technical scope of the present application, so any minor modifications, equivalent changes and modifications made to the above embodiments according to the technical principles of the present application are still within the scope of the technical solutions of the present application.
Claims (6)
1. A hydraulic loading and unloading platform which is characterized in that: the device comprises first underframe (1), second underframe (4), connecting frame (5), main shaft (6) and double-shaft motor (20), wherein the first underframe (1) is symmetrically provided with two, one end of the top of each first underframe (1) is provided with a first supporting frame (2), and the other end of the top of each first underframe (1) is provided with a second supporting frame (3); the second underframe (4) is arranged between the two first underframes (1), and two ends of the bottom of the second underframe (4) are respectively connected with one ends of the two first underframes (1) through bolts; the connecting frame (5) is arranged between the two first underframe (1), and two ends of the connecting frame (5) are respectively connected with one ends of the two first underframe (1) through bolts; two ends of the main shaft (6) are respectively connected with two ends of the top of the second underframe (4) and the top ends of the two first supporting frames (2) in a rotating way, two brackets (7) are symmetrically arranged on the main shaft (6), and the top ends of the two brackets (7) are welded with the bottom of the first supporting plate (8); the front end of the first supporting plate (8) is provided with a second supporting plate (11); a secondary shaft (9) is arranged at the rear end between the two first underframe (1), two hydraulic ejector rods (10) are symmetrically arranged on the secondary shaft (9), and the top ends of the two hydraulic ejector rods (10) are respectively connected with one ends of the bottoms of the two brackets (7); two driving screw rods (21) are respectively arranged at two ends of the double-shaft motor (20), and the two driving screw rods (21) are respectively connected with the two first underframe (1); a transmission block (22) is respectively arranged on each driving screw rod (21), and a telescopic frame (23) is arranged at the front end of each transmission block (22); the top end of each expansion bracket (23) is respectively connected with the two ends of the adapter (24); the adapter piece (24) is connected with the push rod (25), two push rods (28) are respectively arranged at two ends of the push rod (25), and the front ends of the two push rods (28) are connected with the inner end surface of the second supporting plate (11); a reinforcing frame (15) is arranged at the middle end of the top of each first underframe (1), a sliding block (16) is arranged at the top end of each reinforcing frame (15), and meanwhile, the sliding blocks (16) are connected with the reinforcing frames (15) in a rotating way; two side plates (12) are respectively arranged at two ends of the bottom of the first supporting plate (8), a first guide groove (13) and a second guide groove (14) are formed in each side plate (12), and meanwhile, the first guide groove (13) and the second guide groove (14) are of arc structures; one side of each side plate (12) is provided with a clamping piece (17), and the clamping pieces (17) are connected with the side plates (12) in a rotating way; a pneumatic push rod (19) is arranged on the other side of each side plate (12), a slide rod (18) is arranged at the extension end of each pneumatic push rod (19), and each slide rod (18) penetrates through a first guide groove (13) and is connected with the lower end of a clamping piece (17); each sliding block (16) is connected with one second guide groove (14), the sliding blocks (16) are connected with the second guide grooves (14) in a sliding manner, and each sliding block (16) is respectively connected with one clamping piece (17) in a clamping manner; the sliding block (16) is of an arc-shaped structure, and one side of the sliding block (16) close to the clamping piece (17) is of a tooth structure.
2. The hydraulic loading and unloading platform according to claim 1, wherein: the two first underframe (1) are mutually parallel, and the first underframe (1) is connected with the auxiliary shaft (9) in a rotating way; the hydraulic ejector rod (10) is matched with the bracket (7) and forms a rotating structure with the first supporting plate (8), and the first supporting plate (8) is connected with the second supporting plate (11) in a rotating way.
3. The hydraulic loading and unloading platform according to claim 2, characterized in that: the sliding rod (18) is connected with the first guide groove (13) in a sliding way, and the sliding rod (18) is matched with the pneumatic push rod (19) and the clamping piece (17) to form a rotating structure; one side of the clamping piece (17) close to the sliding block (16) is in a tooth structure.
4. The hydraulic loading and unloading platform according to claim 1, wherein: the driving screw rod (21) is in threaded connection with the transmission block (22), the transmission block (22) is in rotary connection with the telescopic frame (23), and the telescopic frame (23) is in rotary connection with the adapter (24); the length of the telescopic frame (23) is longer than that of the driving screw rod (21).
5. The hydraulic loading and unloading platform according to claim 1, wherein: two sliding rollers (26) are respectively arranged at two ends of the push rod (25), the two sliding rollers (26) are respectively connected with two guide rails (27) in a sliding mode, and meanwhile the two guide rails (27) are respectively arranged on the outer walls of the two first underframe (1).
6. The hydraulic loading and unloading platform according to claim 1, wherein: the ejector rod (28) is rotationally connected with the push rod (25), the ejector rod (28) is rotationally connected with the second supporting plate (11), and meanwhile the adapter (24) is matched with the ejector rod (28) and the second supporting plate (11) to form a rotating structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311333239.6A CN117068808B (en) | 2023-10-16 | 2023-10-16 | Hydraulic loading and unloading platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| CN117068808A (en) | 2023-11-17 |
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