CN213595795U

CN213595795U - Hoisting mechanism for transport vehicle

Info

Publication number: CN213595795U
Application number: CN202022676526.5U
Authority: CN
Inventors: 程文明; 李杭飞; 刘佳辉; 郭沛佩; 谢孟添; 唐鑫; 肖施睿; 翟守才
Original assignee: Chengdu Tianyou Huida Intelligent Technology Co ltd
Current assignee: Chengdu Tianyou Huida Intelligent Technology Co ltd
Priority date: 2020-11-18
Filing date: 2020-11-18
Publication date: 2021-07-02
Anticipated expiration: 2030-11-18

Abstract

The utility model discloses a hoisting mechanism for a transport vehicle, which comprises a hoisting unit and a transmission unit, wherein the hoisting unit comprises a hanger and a plurality of hook assemblies arranged on the hanger, the hook assemblies are arranged on a cross beam of the hanger, and at least one group of hook assemblies are movably connected with the cross beam through the transmission unit; drive mechanism is including installing first motor and a set of at least slip subassembly on the gallows, every slip subassembly of group and a set of hook subassembly fixed connection, the slip subassembly includes the lead screw, horizontal slide rail and sliding seat, first motor and horizontal slide rail are all installed on the crossbeam, the bottom and the horizontal slide rail sliding connection of sliding seat, the one end tip of lead screw and the output shaft fixed connection of first motor, sliding seat and sliding seat threaded connection are worn to establish by the other end tip, hook subassembly and sliding seat fixed connection. On the basis of reducing the space occupancy rate of the whole device, the hoisting mechanism can realize multi-box taking and effectively improve the cargo transportation efficiency.

Description

Hoisting mechanism for transport vehicle

Technical Field

The utility model belongs to the technical field of the freight relates to industry haulage vehicle, concretely relates to hoisting machine constructs for transport vechicle.

Background

Industrial transportation vehicles are widely used in ports, stations, airports, cargo yards, factory workshops, warehouses, distribution centers, and the like, and are equipments essential for carrying and loading/unloading pallet goods in cabins, carriages, and containers.

The forklift plays an important role in a logistics system of an enterprise, is a prime force army in goods handling equipment, is widely applied to various departments of national economy such as stations, ports, airports, factories and warehouses, and is equipment for mechanized loading and unloading, stacking and short-distance transportation. The forklift is various in types, the front end of the forklift body of most of forklifts is fixedly provided with the fork in an L shape, the connecting structure is simple, and the front end of the fork is sharp and long, so that the forklift is inconvenient to use, goods can be loaded only in a fork advancing mode, only one kind of goods can be transported at a time, especially reel goods, the forklift with the L-shaped fork is difficult to master the safety of the forklift and rolls on the fork, and various accidents causing casualties and property loss can easily occur carelessly in the operation process.

Therefore, how to improve the stability and safety and the working efficiency of the fork of the forklift becomes a problem which is concerned by the field. The optimized improvement of the pallet fork of the traditional forklift has important significance for improving the transportation efficiency and the safety of the transport vehicle.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the above problem, providing a hoisting machine constructs for transport vechicle, this transport vechicle space occupies for a short time, can transport multiple goods simultaneously, and freight efficiency is high.

In order to solve the technical problem, the utility model provides a hoisting mechanism for a transport vehicle, which comprises a hoisting unit and a transmission unit;

the lifting unit comprises a lifting frame and a plurality of lifting hook assemblies, the lifting frame comprises a connecting frame and a cross beam which are integrally formed, the lifting hook assemblies are used for lifting cargoes, the lifting hook assemblies are arranged on the cross beam, and at least one group of lifting hook assemblies are movably connected with the cross beam through the transmission unit;

the transmission unit includes first motor and at least a set of slip subassembly, every slip subassembly of group and a set of lifting hook subassembly fixed connection, the slip subassembly includes lead screw, horizontal slide rail and sliding seat, first motor and horizontal slide rail are all installed on the crossbeam, the bottom and the horizontal slide rail sliding connection of sliding seat, the one end tip of lead screw and the output shaft fixed connection of first motor, sliding seat and sliding seat threaded connection are worn to establish by other end tip, lifting hook subassembly and sliding seat fixed connection, thereby the rotatory driving sliding seat of first motor control lead screw is along horizontal slide rail horizontal migration.

According to the hoisting mechanism for the transport vehicle, the lifting hook assembly is used for lifting goods, the main part is the lifting hook, and the hoisting mechanism can be designed according to a conventional design method in the field on the basis of meeting the requirement of lifting the goods. The utility model discloses well lifting hook subassembly is preferred to include head rod and lifting hook, the one end tip and crossbeam or sliding seat fixed connection of head rod, other end tip and lifting hook fixed connection. The effect of head rod is mainly that the lifting hook can extend the frame body, and the lifting hook of being more convenient for hangs and gets the goods. Further, the lifting hook is of an L-shaped structure and comprises a vertical section and a horizontal section which are integrally formed. In order to prevent goods from sliding off, the tail end of the horizontal section extends upwards to form a limiting bulge, and the height of the limiting bulge is greater than that of the highest point of the horizontal section to prevent the goods from falling off; in order to ensure the stability of the goods during transportation, the upper surface of the horizontal section (i.e. the direct contact surface between the hook and the goods hanging rope) is preferably of an outer convex arc structure, so that the contact area is increased, and the stability of the goods is increased.

Above-mentioned hoisting machine constructs for transport vechicle, the slip subassembly is installed on the crossbeam of gallows and is cooperated with first motor so that the hook subassembly can be along crossbeam round trip movement on the horizontal direction to control the interval between the hook subassembly, so that cross the barrier and save space in transit. In consideration of the control convenience of the sliding assemblies and the manufacturing difficulty of the whole device, the number of the sliding assemblies is preferably two, the first motors are double-shaft motors, the first motors are arranged in the middle of the cross beam, the two groups of sliding assemblies are arranged on the cross beam and are respectively positioned on two sides of the first motors, and output shafts at two ends of the first motors are respectively connected with screw rods of the two groups of sliding assemblies. It should be noted that two (or more) first motors may be used to control a set of sliding assemblies connected to the first motors, respectively, and this also belongs to the modified design of the present invention.

Above-mentioned a hoisting machine constructs for transport vechicle, the quantity of lifting hook subassembly designs according to actual conditions such as the length of crossbeam and sliding assembly. Generally, one group of sliding assemblies corresponds to one group of lifting hook assemblies, the lifting hook assemblies can be directly and fixedly installed on the cross beam, and the number of the lifting hook assemblies which are directly and fixedly installed can be one group or two groups. In order to control the volume of the whole structure, the number of the lifting hook assemblies is preferably three, wherein two groups of lifting hook assemblies are respectively connected with two groups of sliding assemblies, and the other group of lifting hook assemblies are fixedly connected with the cross beam and are positioned in the middle of the cross beam.

Above-mentioned hoisting machine constructs for transport vechicle, the effect of link is mainly cooperatees with elevation structure to get and put the goods, the utility model provides a hoisting machine constructs can replace fork truck's fork among the prior art, adopts the mode control hoisting machine structure that control fork goes up and down, consequently only need according to fork truck's the lift mode carry out corresponding design to the link can. Adopt slide rail and spout matched with mode to realize hoisting machine among the current elevation structure and construct the lift, consequently the utility model discloses in, the preferred L type structure that is of link, including the relative U type frame that sets up of two openings, the junction of two U type frames is provided with the third connecting rod. The vertical U-shaped frame is provided with a sliding chute which can be used for being in sliding connection with a sliding rail in the lifting structure.

Compared with the prior art, the utility model provides a technical scheme has following beneficial effect:

(1) the utility model provides a hoisting machine constructs for transport vechicle, including hoist and mount unit and transmission unit, through the lifting hook subassembly round trip movement among the transmission unit control lifting hook unit to reduce or enlarge the distance between the lifting hook subassembly, adapt to the cargo tank of different dimensions, be convenient for simultaneously transport on the way and cross the obstacle and save space.

(2) The utility model provides a hoisting machine constructs for transport vechicle has multiunit lifting hook subassembly, can hang simultaneously and get transportation multiunit goods, has overcome the shortcoming that current fork truck fork once can only transport a goods, on the basis of reducing whole device space occupancy, can realize the multi-box and get, effectively improves cargo handling efficiency.

(3) The utility model provides a hoisting machine constructs for transport vechicle, each structural component is all comparatively simple, is convenient for make the equipment, and easy industrial production is worth popularizing and applying.

Drawings

FIG. 1 is a schematic structural view of the hoisting mechanism of the present invention applied to a transportation vehicle;

FIG. 2 is a schematic structural diagram of a transport vehicle (hoisting mechanism) in the embodiment;

figure 3 is the utility model discloses a hoisting machine constructs the schematic diagram for transport vechicle.

Description of reference numerals: 1. a frame body; 11. erecting a frame; 12. a chassis; 13. a wheel; 2. a hoisting mechanism; 21. a longitudinal slide rail; 22. a fixed pulley; 23. a second motor; 24. a double-grooved drum; 3. hoisting the unit; 31. a hanger; 32. a first connecting rod; 33. a hook; 4. a transmission unit; 41. a first motor; 42. a screw rod; 43. a transverse slide rail; 44. a sliding seat.

Detailed Description

In order that the technical solutions of the embodiments of the present invention will be clearly and completely described with reference to the accompanying drawings, it is obvious that the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the present invention.

In order to facilitate a better understanding of the hoisting mechanism provided by the present invention for those skilled in the art, the following embodiments will be described in detail with reference to a transport vehicle. It is worth explaining, the utility model provides a hoisting machine constructs can replace fork among the prior art fork truck, adopts the mode control hoisting machine structure that control fork goes up and down, is not limited to following embodiment.

In this embodiment, the transport vechicle includes frame body 1, two sets of hoisting mechanism 2 and two sets of hoisting mechanism. The group of hoisting mechanisms 2 corresponds to the group of hoisting mechanisms. The hoisting structure comprises a hoisting unit 3 and a transmission unit 4.

As shown in fig. 1-2, the frame body 1 includes an upright 11 and a base frame 12 which are integrally formed, and the upright 11 is vertically disposed at a central position of the base frame 12. The grudging post 11 is the two door style of calligraphy structures of constituteing by two door style of calligraphy frame parallel arrangement, and door style of calligraphy frame includes integrated into one piece's horizontal pole and two pole settings, and the outside through two pole settings of second connecting rod fixed connection still is provided with the strengthening rib of connecting on chassis 12 respectively at the horizontal pole both ends of two door style of calligraphy frames. The underframe 12 is in a mesh-shaped structure, and a mounting plate for mounting the hoisting mechanism 2 is further arranged on the underframe 12 below the vertical frame 11. Four wheels 13 are mounted on the chassis 12, and the wheels 13 are universal wheels.

As shown in fig. 2, the two sets of hoisting mechanisms 2 are symmetrically disposed on the frame body, and include longitudinal slide rails 21, fixed pulleys 22, and drum assemblies. The number of the longitudinal slide rails 21 is two, and the longitudinal slide rails are respectively vertically arranged on two vertical rods of the door-shaped frame. The length of the longitudinal slide rail 21 is equal to the length of the vertical rod. The fixed pulley 22 is installed at a middle position of a cross bar of the frame. The spool assembly includes a second motor 23 and a double-grooved spool 24. The second motor 23 and the double-groove winding drum 24 are mounted on the mounting plate, and the double-groove winding drum 24 is fixedly connected with an output shaft of the second motor 23. The double groove drum 24 is connected to the connection frame of the hanger 31 by two ropes: one rope is wound in one groove of the double-groove winding drum 24 clockwise, the other rope is wound in the other groove of the double-groove winding drum 24 anticlockwise and then is respectively connected with the hanging bracket 31 (the hanging bracket 31 in the hoisting unit 3, which is described in detail below), the second motor 23 controls the rotation of the double-groove winding drum 24 so as to control the releasing and receiving of the rope, the rope in one groove controls the hanging bracket 31 to ascend, the rope in the other groove controls the hanging bracket 31 to descend, and therefore the purposes that the goods can be pulled up and pulled down are achieved. The rope is a steel wire rope.

As shown in fig. 3, the hoist unit 3 includes a hanger 31 and three sets of hook assemblies. The hanger 31 includes an integrally formed link and a cross member. The connecting frame is integrally of an L-shaped structure and is composed of two U-shaped frames with opposite openings, the two U-shaped frames are integrally formed, and a third connecting rod is arranged at the middle connecting position to enhance the stability. The U-shaped frame comprises a transverse connecting rod and side rods integrally formed with two end parts of the transverse connecting rod, and sliding grooves are formed in the two side rods of the U-shaped frame in the vertical direction and are respectively in sliding connection with the longitudinal sliding rails 21. The transverse connecting rod of the U-shaped frame in the horizontal direction extends towards two ends to form a transverse beam. One of the ropes in the double-groove winding drum 24 is fixedly connected with the transverse connecting rod of the U-shaped frame in the vertical direction, and the other rope is fixedly connected with the third connecting rod in the middle of the two U-shaped frames.

The hook assembly comprises a first connecting rod 32 and a hook 33, wherein one end of the first connecting rod 32 is fixedly connected with the cross beam or the sliding seat 44, and the other end is fixedly connected with the hook 33. Lifting hook 33 is L type structure, including integrated into one piece's vertical section and horizontal segment, and the end of horizontal segment upwards extends and forms spacing arch, and spacing bellied height is greater than the height of horizontal segment peak, and the upper surface of horizontal segment is lifting hook 33 and goods and hangs the direct contact surface of rope and be outer convex arc structure.

As shown in fig. 3, the transmission unit 4 includes a first motor 41 and two sets of sliding components. The first motor 41 is a double-shaft motor, the first motor 41 is mounted in the middle of the cross beam through a mounting seat, and the two sets of sliding assemblies are mounted on the cross beam and located on two sides of the first motor 41 respectively. The sliding assembly includes a screw rod 42, a transverse slide rail 43 and a sliding seat 44. The transverse slide 43 is mounted on the cross beam. The sliding seat 44 comprises a sliding seat 44 body, a connecting plate and a connecting block; the bottom of the sliding seat 44 body is provided with a sliding chute which is connected with the transverse sliding rail 43 in a sliding manner; the connecting plate is of an L-shaped structure and comprises a horizontal part and a vertical part, and the horizontal part of the connecting plate is fixedly connected with the upper side surface of the sliding seat 44; the connecting block is arranged on the vertical part of the connecting plate, and internal threads are formed in the connecting block; one end of the screw rod 42 is arranged on the connecting block in a penetrating way and is in threaded connection with the connecting block. Output shafts at two ends of the first motor 41 are respectively connected with the other ends of the screw rods 42 of the two groups of sliding assemblies through couplers. And one end of the first connecting rod 32 of the two groups of the lifting hook assemblies is respectively connected with the outer side surfaces of the sliding seats 44 of the two groups of the sliding assemblies, and one end of the first connecting rod 32 of the other group of the lifting hook assemblies is fixedly connected with the cross beam and is positioned in the middle of the cross beam. The first motor 41 controls the rotation of the screw rod 42, and the screw rods 42 on two sides are different in rotation direction, so that the lifting hooks 33 on two sides can be simultaneously retracted and expanded outwards during rotation, and therefore the distance between the lifting hook assemblies is controlled, obstacles can be conveniently passed in the transportation process, and space is saved.

The hoisting machine mechanism for transport vechicle that this embodiment provided has innovated the hoist structure, including hoist and mount unit 3 and with hoist and mount structure matched with transmission unit 4 that uses, can hang simultaneously and get six groups of goods, realize many casees and get, effectively improved goods yard efficiency. The hoisting unit 3 is composed of a hanger 31 and three groups of hook assemblies, a transmission unit 4 is arranged on a cross beam of the hanger 31, a double-shaft motor in the transmission unit 4 is arranged in the middle of the cross beam, and two output shafts are connected with lead screws 42 in different rotation directions through a coupler and used for controlling the retraction or outward expansion of hooks 33 connected with sliding seats 44 at two sides so as to pass obstacles and save space during transportation. The use of hooks 33 complements the inability of the forks of prior art trucks to load. For guaranteeing the stability of goods in the transportation, the lifting hook 33 is the curved surface with the direct contact surface design of goods string rope, can increase area of contact like this and increase the stability of goods, increases the arch in the lifting hook 33 front end for the landing that prevents the goods and prevents that the goods from dropping. The hoisting unit 3 is hoisted by a rope bypassing the fixed pulley 22, and in order to ensure the stability in the hoisting and descending processes, two linear slide rails are arranged on the portal frame and used for stably loading and unloading the hoisting unit 3 vertically. The lifting action is different from that of a forklift, the action of force on the descending is increased while the descending is dependent on the self-weight descending, the output shaft of the second motor 23 is connected with the double-groove winding drum 24, a rope for controlling the ascending is arranged in one groove of the winding drum, a rope for controlling the descending is arranged in the other groove of the winding drum, and the rope is controlled to be released and collected by controlling the rotation of the double-groove winding drum 24, so that the purposes of lifting goods and pulling down the goods can be achieved.

It will be appreciated by those of ordinary skill in the art that the embodiments described herein are intended to assist the reader in understanding the principles of the invention, and it is to be understood that the scope of the invention is not limited to such specific statements and embodiments. Those skilled in the art can make various other specific modifications and combinations based on the teachings of the present invention without departing from the spirit of the invention, and such modifications and combinations are still within the scope of the invention.

Claims

1. The utility model provides a hoisting machine constructs for transport vechicle which characterized in that: the hoisting mechanism comprises a hoisting unit (3) and a transmission unit (4);

the hoisting unit (3) comprises a hoisting frame (31) and a plurality of hoisting hook assemblies, the hoisting frame (31) comprises a connecting frame and a cross beam which are integrally formed, the hoisting hook assemblies are used for hoisting goods, the hoisting hook assemblies are arranged on the cross beam, and at least one group of hoisting hook assemblies are movably connected with the cross beam through a transmission unit (4);

the transmission unit (4) comprises a first motor (41) and at least one group of sliding assemblies, each group of sliding assemblies is fixedly connected with one group of hook assemblies, each sliding assembly comprises a screw rod (42), a transverse sliding rail (43) and a sliding seat (44), the first motor (41) and the transverse sliding rail (43) are both installed on the cross beam, the bottom of the sliding seat (44) is slidably connected with the transverse sliding rail (43), one end of the screw rod (42) is fixedly connected with an output shaft of the first motor (41), the other end of the screw rod penetrates through the sliding seat (44) and is in threaded connection with the sliding seat (44), the hook assemblies are fixedly connected with the sliding seats (44), and the first motor (41) controls the screw rod (42) to rotate so as to drive the sliding seat (44) to horizontally move along the transverse sliding rails (43).

2. The hoisting mechanism for transport vehicles according to claim 1, characterized in that: the lifting hook assembly comprises a first connecting rod (32) and a lifting hook (33), one end of the first connecting rod (32) is fixedly connected with the cross beam or the sliding seat (44), and the other end of the first connecting rod is fixedly connected with the lifting hook (33).

3. A hoisting mechanism for transport vehicles according to claim 2, characterized in that: the lifting hook (33) is of an L-shaped structure and comprises a vertical section and a horizontal section which are integrally formed, the tail end of the horizontal section extends upwards to form a limiting protrusion, the upper surface of the horizontal section is of an outer convex arc-shaped structure, and the height of the limiting protrusion is greater than that of the highest point of the horizontal section.

4. The hoisting mechanism for transport vehicles according to claim 1, characterized in that: the number of the sliding assemblies is two, the first motor (41) is installed in the middle of the cross beam, the two sliding assemblies are installed on the cross beam and located on two sides of the first motor (41) respectively, the first motor (41) is a double-shaft motor, and output shafts at two ends of the double-shaft motor are connected with the two sliding assemblies respectively.

5. A hoisting mechanism for transport vehicles according to claim 4, characterized in that: the number of the lifting hook assemblies is three, wherein two groups of the lifting hook assemblies are respectively connected with two groups of the sliding assemblies, and the other group of the lifting hook assemblies are fixedly connected with the cross beam and are positioned in the middle of the cross beam.

6. A hoisting mechanism for transport vehicles according to any one of claims 1 to 5, characterized in that: the link is L type structure, includes the relative U type frame that sets up of two openings, and the junction of two U type frames is provided with the third connecting rod.