CN211252346U - Transport platform of van-type transport vechicle - Google Patents

Abstract

The utility model provides a platform that transports of van-type transport vechicle, includes frame, a set of lift roller train, and the lift roller train includes gyro wheel frame, a set of roller components and a pair of lifting pull rod, and lifting pull rod extends and drives roller components rotation and realize roller components's lift respectively along the length direction of gyro wheel frame, connects characteristics through the driving chain between the two adjacent roller components: the left end of the lifting pull rod extends out of the roller frame and is connected with the main pull rod at the end part, the middle part of the main pull rod is leftward formed into a transition plate, the frame is provided with an electric mechanism, one end of the electric mechanism is connected with one end of a swing arm, the middle part of the swing arm is hinged with a swing arm seat, the other end of the swing arm is hinged with one end of the transition plate, a driving motor is arranged below the middle part of the lifting roller train and is in transmission connection with a roller assembly located in the middle position of the lifting roller train, and the roller assembly in the middle part of the roller assembly transmits power to the left side and the right side. The production and maintenance cost is reduced; ensuring the power balance at the two ends of the platform.

Description

Transport platform of van-type transport vechicle

Technical Field

The utility model belongs to the technical field of freight train handling equipment, concretely relates to platform that transports of van.

Background

Trucking is the main and irreplaceable means of transportation at present, and the industry would greatly enlarge the length of the carriage in order to increase the carrying capacity of the truck, but this also means that the difficulty of transporting goods to the deepest part of the carriage is increased. Present van, for the convenience of the transportation of goods, can install the gyro wheel that can drive and go up and down on the carriage bottom plate usually and reach the purpose of transporting, the platform that transports of this kind of structure generally adopts the pneumatic cylinder to drive the gyro wheel and goes up and down and turn right or turn left the rotatory structure of drive gyro wheel from a left side through the motor, and because the load-carrying capacity of pneumatic cylinder is limited, every pneumatic cylinder can only drive a gyro wheel at most and go up and down, it often needs a plurality of pneumatic cylinders to cooperate to transport the platform one, not only there is the installation troublesome, the cost is higher and the problem that the maintenance degree of difficulty is big and poor stability, but also there is the hidden danger of oil leak, because the pneumatic cylinder mainly uses oil pump and motor as power, the total efficiency after the energy of motor passes through the pneumatic. In addition, the structure that the rollers are driven to rotate by the motor from left to right or from right to left is adopted, power needs to be transmitted through the chain connected among the rollers, the power is gradually lost in the transmission process, the longer the platform is, the more the lost power is, the more the power is, the power unbalance at the two ends of the platform is inevitably caused, and the condition that the goods are conveyed midway and the power is insufficient often occurs.

In the prior art, as disclosed in chinese utility model patent No. CN202123972U, "an automatic cargo displacement device for a van", includes at least two first frames and second frames with the same shape and structure, which are arranged side by side, a rolling mechanism, a lifting mechanism and a hydraulic mechanism are respectively installed in the first frames, the rolling mechanism is installed on the lifting mechanism and is in rotational fit with the lifting mechanism, the rolling mechanism is respectively composed of a driving roller and a plurality of driven rollers which are arranged from right to left in sequence, the driving roller and the plurality of driven rollers respectively correspond to a plurality of rectangular openings, the driving roller is connected with the driving roller on the second frame and is connected with a power device; the controller with signal receiver is installed on the frame, the controller is respectively connected with the power device and the hydraulic mechanism circuit, and the remote controller corresponds to the signal receiver. Although the problem that goods are not easy to transport in a carriage is solved, the rolling mechanism, the lifting mechanism and the hydraulic mechanism still have the problems, and particularly when the goods are heavy, the situation that the power of the hydraulic cylinder and the driving roller is insufficient is particularly obvious, so that the normal use of the transport platform is seriously influenced.

In view of the above, there is a need for a transport platform of a van-type transport vehicle, which has a simple structure, low maintenance and production costs, and a high energy utilization rate, and can balance the power at the two ends of the platform. The applicant has therefore made an advantageous design, in the context of which the solution to be described below is made.

Disclosure of Invention

The utility model aims at providing a platform that transports of van-type transport vechicle helps improving the lift drive structure of gyro wheel and abandons traditional hydraulic drive and reduce the production and the maintenance cost of platform, has avoided the risk of oil leak, is favorable to improving the transmission structure of gyro wheel and reduces the loss of power and make the power at platform both ends balanced.

In order to achieve the above purpose, the utility model provides a technical scheme is: the utility model provides a platform that transports of van-type transport vechicle, includes a frame, a set of setting on the frame and along the lift roller train that preceding rear direction interval set up, lift roller train include a gyro wheel frame, a set of roller components and a pair of lift pull rod of being connected with the roller components cooperation that set up along the length direction interval of gyro wheel frame, lift pull rod extend and drive roller components rotation respectively and realize the lift of roller components along the length direction of gyro wheel frame, connect its characterized in that through a driving chain transmission respectively between the two adjacent roller components: the left end of the lifting pull rod extends out of the roller frame and is fixedly connected with a main pull rod at the end part, a transition plate is formed in the middle of the main pull rod leftwards, an electric mechanism is arranged on the frame, one end of the electric mechanism is connected with one end of a swing arm, the middle of the swing arm is hinged with a swing arm seat fixed on the frame, the other end of the swing arm is hinged with one end of the transition plate, a driving motor is arranged below the middle of the lifting roller group respectively, the driving motor is in transmission connection with a roller assembly located in the middle of the lifting roller group through a driving chain, and the roller assembly in the middle of the roller assembly transmits power to the left side and the right side respectively.

In a specific embodiment of the present invention, the electric mechanism is installed below the frame, the electric mechanism is one of an electric pushing cylinder and a winch, the driving end of the electric mechanism extends toward the left side, and the swing arm is of a structure extending vertically and has a lower end connected with the driving end.

In another specific embodiment of the present invention, the electric mechanism is installed above the frame and located in the carriage, the electric mechanism is an electric cylinder, the driving end of the electric mechanism extends obliquely downward, and the swing arm is of a structure extending left and right and is connected with the driving end at the left end thereof.

In another specific embodiment of the present invention, the roller assembly includes a pair of triangular plates, and the triangular plates are fixedly connected to each other through a sleeve; a rotating shaft which is arranged in the sleeve in a penetrating way and is respectively supported on the roller carrier in a rotating way; the lifting shaft is fixed between the two triangular plates and positioned below the rotating shaft, and two ends of the lifting shaft are respectively hinged with the lifting pull rods on two sides; a roller arranged at the left side of the rotating shaft, a roller shaft is fixed in the roller, the roller is rotationally arranged between the two triangular plates through the roller shaft, one end of the roller shaft extends outwards out of the roller frame and is respectively provided with a double-row chain wheel at the end part, the transmission chains are respectively connected between two adjacent double-row chain wheels in a staggered way, wherein one end of a roller shaft in a roller assembly in the middle of the lifting roller group and in driving connection with the driving motor extends to one side far away from the double-row chain wheel, one end of the roller shaft extends out of the roller frame and is fixed with a transmission double-row chain wheel at the end part, the transmission double-row chain wheel is in transmission connection with the driving motor through a driving chain, one end of the roller shaft positioned beside the transmission double-row chain wheel extends out of the roller frame and forms a roller shaft chain wheel at the end part, and the transmission double-row chain wheel is in transmission connection with the roller shaft chain wheel through a transition chain.

In another specific embodiment of the present invention, the driving end of the electric mechanism further comprises a gear box, the gear box is provided with a motor, and the motor drives the gear box to operate the driving end.

In still another specific embodiment of the present invention, the motor is a forward/reverse motor.

In still another specific embodiment of the present invention, the lifting roller set is further covered with a cover plate, and the cover plate is respectively provided with a roller position-giving opening at a position corresponding to the roller assembly.

In a more specific embodiment of the present invention, the outer side surface of the roller is provided with a set of grooves spaced apart in the circumferential direction.

The utility model adopts the above structure after, beneficial effect who has: firstly, because the electric push cylinder drives the lifting rod together through the main pull rod to enable the roller to lift, the traditional method of driving the lifting by using a plurality of hydraulic cylinders is abandoned, the number of cylinder bodies for driving the lifting is greatly reduced, the risk of oil leakage of the hydraulic cylinders is avoided, and the production and maintenance cost of the conveying platform is reduced; and secondly, the structure that the motor drives the middle roller assembly to respectively transmit power to the left side and the right side below the lifting roller group is adopted, so that the power transmission distance is reduced, the power loss is reduced, and the power balance at the two ends of the platform is ensured.

Drawings

Fig. 1 is a schematic front structural view of an embodiment of the present invention.

Fig. 2 is a cross-sectional view of a back structure according to an embodiment of the present invention.

Fig. 3 is a top view of an embodiment of the present invention.

Fig. 4 is a schematic view of the roller assembly of the present invention.

Fig. 5 is a schematic front view of the second embodiment of the present invention.

FIG. 6 is a schematic diagram of a three-front structure according to an embodiment of the present invention

In the figure: 1. a frame; 2. the lifting roller group comprises a lifting roller group, 21 roller frames, 22 roller assemblies, 221 triangular plates, 2211 sleeves, 222 rotating shafts, 2221 driving double-row chain wheels, 223 lifting shafts, 224 roller shafts, 2241 roller shaft chain wheels, 2242 double-row chain wheels, 225 rollers, 2251 grooves, 23 lifting pull rods, 24 driving chains, 25 driving motors and 251 driving chains; 3. a main pull rod 31, a transition plate; 4. an electric mechanism, 41, a driving end, 42, a gear box, 43 and a motor; 5. swing arm, 51, swing arm seat; 6. cover plate, 61, roller position-giving opening; 7. a transition chain.

Detailed Description

The following is a detailed description by way of example, but the description of the example is not intended to limit the scope of the present invention, and any equivalent changes made according to the present invention, which are merely formal and insubstantial, should be considered as technical solutions of the present invention.

In the following description, all the concepts related to the directions or orientations of up, down, left, right, front and rear are based on the position shown in fig. 1, and thus should not be interpreted as a specific limitation to the technical solution provided by the present invention.

Example one

Please refer to fig. 1 and combine fig. 2, fig. 3 and fig. 4, the utility model relates to a transport platform of van-type transport vechicle, including a frame 1, a set of lifting roller group 2 that sets up on frame 1 and set up along the fore-and-aft direction interval, aforementioned lifting roller group 2 includes a gyro wheel frame 21, a set of roller assemblies 22 that set up along the length direction interval of gyro wheel frame 21 and a pair of lifting rod 23 of being connected with roller assemblies 22 cooperation, aforementioned lifting rod 23 extends and drives roller assemblies 22 rotation respectively and realizes roller assemblies 22's lift along the length direction of gyro wheel frame 21, connect through a driving chain 24 transmission between two adjacent roller assemblies 22 respectively, the characteristics are: the left end of the lifting pull rod 23 extends out of the roller frame 21 and is fixedly connected with a main pull rod 3 at the end part thereof respectively, the middle part of the main pull rod 3 forms a transition plate 31 leftwards, the frame 1 is provided with an electric mechanism 4, one end of the electric mechanism 4 is connected with one end of a swing arm 5, the middle part of the swing arm 5 is hinged with a swing arm seat 51 fixed on the frame 1, the other end of the swing arm 5 is hinged with one end of the transition plate 31, a driving motor 25 is arranged below the middle part of the lifting roller set 2 respectively, the driving motor 25 is in transmission connection with the roller set 22 positioned at the middle position of the lifting roller set 2 through a driving chain 251, and the roller sets 22 in the middle part of the roller set 22 transmit power to the left side and the right side respectively, thereby achieving the purpose of reducing power loss.

Further, the roller assembly 22 includes a pair of triangular plates 221, and the triangular plates 221 are fixedly connected through a sleeve 2211; a rotary shaft 222 penetrating the sleeve 2211 and rotatably supported on the roller frame 21; a lifting shaft 223 fixed between the two triangular plates 221 and located below the rotating shaft 222, wherein two ends of the lifting shaft 223 are respectively hinged to the lifting rods 23 at two sides; a roller 225 disposed at the left side of the rotation axis 222, a roller shaft 224 fixed in the roller 225, the roller 225 rotatably disposed between two triangular plates 221 through the roller shaft 224, one end of the roller shaft 224 extending outward from the roller frame 21 and forming a duplex chain wheel 2242 at the end thereof, the driving chain 24 alternately connected between two adjacent duplex chain wheels 2242, wherein one end of the roller shaft 224 in the roller assembly 22 drivingly connected to the driving motor 25 at the middle of the elevator roller assembly 2 extends to the side far from the duplex chain wheel 2242, one end of the roller shaft 224 extending outward from the roller frame 21 and forming a driving duplex chain wheel 2221 at the end thereof, the driving chain wheel 2221 drivingly connected to the driving motor 25 through the driving chain 251, one end of the duplex roller shaft 224 located beside the driving roller chain wheel 2221 extending outward from the roller frame 21 and forming a roller shaft chain wheel 2241 at the end thereof, the aforementioned driving double-row sprocket 2221 is in driving connection with the roller shaft sprocket 2241 through a transition chain 7.

Further, the electric mechanism 4 is installed below the frame 1, the electric mechanism 4 is preferably an electric push cylinder, a driving end 41 of the electric mechanism 4 extends toward the left side, and the swing arm 5 extends up and down and has a lower end connected to the driving end 41.

Further, a gear box 42 is formed on the driving end 41 of the electric mechanism 4, a motor 43 is mounted on the gear box 42, and the motor 43 drives the gear box 42 to operate the driving end 41. The motor 43 is a counter-rotating motor.

Further, a cover plate 6 is covered above the lifting roller set 2, and the cover plate 6 is respectively provided with a roller clearance opening 61 at a position corresponding to the roller assembly 22.

Further, a plurality of grooves 2251 are circumferentially spaced apart on the outer side of the roller 225.

Referring to fig. 1 in combination with fig. 2, 3 and 4, when the cargo needs to be transported from right to left to the deep inside of the car, the cargo is first placed above the right side of the cover plate 6, the motor 43 is driven to operate, the driving end 41 of the electric mechanism 4 is contracted, the swing arm 5 rotates counterclockwise around the swing arm seat 51 under the pulling of the driving end 41, the main pull rod 3 is pulled by the upper end of the swing arm 5 through the transition plate 31, all the lifting pull rods 23 move leftward together, the triangular plates 221 rotate clockwise around the rotating shaft 222 under the driving of the lifting pull rods 23, the roller 225 turns upward and protrudes from the upper surface of the cover plate 6 through the roller, the cargo is lifted upward during the turning of the roller 225, and then the driving motor 25 is turned on, so that the driving chain 251 drives the corresponding rotating shaft 222 to rotate, the driving double sprocket 2221 on the rotating shaft 222 drags the adjacent roller shaft sprocket 2241 and roller shaft 224 to rotate through the transition chain 7, the double sprocket 2242 on the other end of the roller shaft 224 transmits power to the left and right rollers 225 through the driving chain 24, and the cargo moves to the deep part of the car along with the rotation of the rollers 225. When the goods reach a designated position, the motor 43 is driven reversely to work, so that the driving end 41 of the electric mechanism 4 is pushed leftwards, the swing arm 5 rotates clockwise around the swing arm base 51 under the pulling of the driving end 41, the upper end of the swing arm 5 pulls the main pull rod 3 through the transition plate 31 to move all the lifting pull rods 23 rightwards together, the triangular plates 221 rotate anticlockwise around the rotating shafts 222 respectively under the driving of the lifting pull rods 23, the rollers 225 are turned downwards and hidden under the cover plate 6, and the rollers 225 place the goods on the cover plate 6 in the process of turning downwards, so that the whole conveying process of the goods is completed.

Example two:

referring to fig. 5 in combination with fig. 1, 2, 3 and 4, the structure of the present embodiment is substantially the same as that of the first embodiment, except that: the electric mechanism 4 is installed above the frame 1 and in the vehicle compartment, the driving end 41 of the electric mechanism 4 extends obliquely downwards, and the swing arm 5 extends leftwards and rightwards and is hinged with the driving end 41 at the left end.

When goods need to be lifted up, the motor 43 is driven to work, the driving end 41 of the electric mechanism 4 is pushed obliquely downward, the swing arm 5 is pushed by the driving end 41 to rotate anticlockwise around the swing arm base 51, one end of the swing arm 5 pulls the main pull rod 3 through the transition plate 31 to enable all the lifting pull rods 23 to move leftward together, the triangular plates 221 are driven by the lifting pull rods 23 to rotate clockwise around the rotating shafts 222 respectively, the roller 225 turns upwards and protrudes out of the upper surface of the cover plate 6 through the roller position-giving opening 61, the roller 225 lifts up the goods in the process of turning upwards, otherwise, the motor 43 is driven reversely to enable the driving end 41 of the electric mechanism 4 to contract, and therefore the purpose that the goods are placed on the cover plate 6 is achieved.

EXAMPLE III

Referring to fig. 6 in combination with fig. 1, fig. 2, fig. 3 and fig. 4, the structure of the present embodiment is substantially the same as that of the first embodiment, except that: the electric mechanism 4 is installed below the frame 1, the electric mechanism 4 is preferably a winch, a driving end 41 of the electric mechanism 4 extends toward the left side, and the swing arm 5 extends vertically and has a lower end connected to the driving end 41.

When goods need to be lifted up, the motor 43 is driven to work, the driving end 41 of the electric mechanism 4 pulls the lower end of the swing arm 5 rightwards, the swing arm 5 rotates anticlockwise around the swing arm seat 51 under the pulling of the driving end 41, one end of the swing arm 5 pulls the main pull rod 3 through the transition plate 31, all the lifting pull rods 23 move leftwards together, the triangular plates 221 rotate clockwise around the rotating shafts 222 respectively under the driving of the lifting pull rods 23, the roller 225 turns upwards and protrudes above the upper surface of the cover plate 6 through the roller clearance hole 61, the roller 225 lifts the goods upwards in the process of turning upwards, otherwise, the motor 43 is driven reversely, the driving end 41 of the electric mechanism 4 is loosened, and the roller 225 turns downwards under the gravity of the goods, so that the purpose of placing the goods on the cover plate 6 is achieved.

Claims (8)

1. The utility model provides a transport platform of van-type transport vechicle, includes a frame (1), a set of setting on frame (1) and along lift roller train (2) that the fore-and-aft direction interval set up, lift roller train (2) including a gyro wheel frame (21), a set of roller components (22) and a pair of lift pull rod (23) of being connected with roller components (22) cooperation that set up along the length direction interval of gyro wheel frame (21), lift pull rod (23) extend and drive roller components (22) respectively and rotate and realize the lift of roller components (22) along the length direction of gyro wheel frame (21), connect its characterized in that through a driving chain (24) transmission between two adjacent roller components (22) respectively: the left end of the lifting pull rod (23) extends out of the roller carrier (21) and is respectively fixedly connected with a main pull rod (3) at the end part, a transition plate (31) is formed in the middle of the main pull rod (3) leftwards, an electric mechanism (4) is arranged on the frame (1), one end of the electric mechanism (4) is connected with one end of a swing arm (5), the middle part of the swing arm (5) is hinged with a swing arm seat (51) fixed on the frame (1), the other end of the swing arm (5) is hinged with one end of the transition plate (31), a driving motor (25) is respectively arranged below the middle part of the lifting roller group (2), the driving motor (25) is in transmission connection with the roller component (22) positioned at the middle position of the lifting roller group (2) through a driving chain (251), the roller assemblies (22) in the middle of the roller assemblies (22) respectively transmit power to the left side and the right side.

2. The transport platform of a van-type transport vehicle according to claim 1, wherein the electric mechanism (4) is installed below the frame (1), the electric mechanism (4) is one of an electric push cylinder and a winch, a driving end (41) of the electric mechanism (4) extends towards the left side, and the swing arm (5) is in a structure extending up and down and a lower end of the swing arm is connected with the driving end (41).

3. The transport platform of a van-type transport vehicle according to claim 1, wherein the electric mechanism (4) is installed above the frame (1) and located in the carriage, the electric mechanism (4) is an electric push cylinder, a driving end (41) of the electric mechanism (4) extends obliquely downward, and the swing arm (5) is in a structure extending left and right and the left end of the swing arm is connected with the driving end (41).

4. The transport platform of a van-type transport vehicle as claimed in claim 1, wherein the roller assemblies (22) comprise a pair of triangular plates (221), and the triangular plates (221) are fixedly connected with each other through a sleeve (2211); a rotating shaft (222) which is arranged in the sleeve (2211) in a penetrating way and is respectively supported on the roller frame (21) in a rotating way; the lifting shaft (223) is fixed between the two triangular plates (221) and positioned below the rotating shaft (222), and two ends of the lifting shaft (223) are respectively hinged with the lifting pull rods (23) on two sides; a roller (225) arranged at the left side of the rotating shaft (222), the roller (225) is internally fixed with a roller shaft (224), the roller (225) is rotationally arranged between two three corner plates (221) through the roller shaft (224), one end of the roller shaft (224) outwards extends out of the roller frame (21) and is respectively formed with a double-row chain wheel (2242) at the end part thereof, the transmission chain (24) is respectively and alternately connected between two adjacent double-row chain wheels (2242), wherein one end of the roller shaft (224) in the roller assembly (22) which is in driving connection with the driving motor (25) in the middle part of the lifting roller set (2) extends towards one side far away from the double-row chain wheel (2242), one end of the roller shaft (224) extends out of the roller frame (21) and is fixed with a transmission chain wheel (2221) at the end part thereof, the transmission double-row chain wheel (2221) is in transmission connection with the driving motor (25) through the driving chain (251), one end of a roller shaft (224) positioned beside the transmission double-row chain wheel (2221) extends outwards out of the roller frame (21) and forms a roller shaft chain wheel (2241) at the end part, and the transmission double-row chain wheel (2221) is in transmission connection with the roller shaft chain wheel (2241) through a transition chain (7).

5. A platform as claimed in claim 2 or 3, wherein a gear box (42) is further formed at the driving end (41) of the electric mechanism (4), a motor (43) is mounted on the gear box (42), and the motor (43) drives the gear box (42) to operate the driving end (41).

6. The transport platform of a van according to claim 5, wherein the motor (43) is a counter-rotating motor.

7. The transport platform of a van-type transport vehicle according to claim 1, wherein a cover plate (6) is covered above the lifting roller set (2), and the cover plate (6) is respectively provided with a roller seat opening (61) at a position corresponding to the roller assembly (22).

8. The transport platform of a transport van according to claim 4, wherein the outer side of the roller (225) is provided with a plurality of grooves (2251) spaced apart in a circumferential direction.

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