CN113183861A

CN113183861A - Carriage built-in cargo loading and unloading mechanism for refrigerated transport vehicle

Info

Publication number: CN113183861A
Application number: CN202110414064.6A
Authority: CN
Inventors: 王友松; 卢超; 张兵; 何震宇
Original assignee: Anhui Zhirui Automobile Co ltd
Current assignee: Anhui Zhirui Automobile Co ltd
Priority date: 2021-04-16
Filing date: 2021-04-16
Publication date: 2021-07-30
Anticipated expiration: 2041-04-16
Also published as: CN113183861B

Abstract

The invention discloses a carriage built-in cargo loading and unloading mechanism for a refrigerated transport vehicle, which comprises: the number of the first driving wheels is two, and the first support is fixedly connected to the carriage; the number of the second driving wheels is one, and the second driving wheels are connected with a second bracket; the number of the tensioning wheels is one, and the tensioning wheels are positioned between the first driving wheel and the second driving wheel; the first driving wheel, the second driving wheel and the tension wheel are sleeved with a driving belt together; the output end of the telescopic driving mechanism is connected with a third support, the telescopic driving mechanism drives the third support to reciprocate, and the third support is connected with the second support. According to the invention, the first driving wheel, the second driving wheel and the tensioning wheel are arranged, and the driving belt is sleeved on the first driving wheel, the second driving wheel and the tensioning wheel together, so that goods can move on the driving belt, on one hand, the goods are convenient to rapidly assemble and disassemble, and do not need to enter a refrigerator carriage manually, and on the other hand, the driving belt can play a role in buffering and damping due to the flexible structure.

Description

Carriage built-in cargo loading and unloading mechanism for refrigerated transport vehicle

Technical Field

The invention relates to the technical field of transport vehicle accessories, in particular to a carriage built-in cargo loading and unloading mechanism for a refrigerated transport vehicle.

Background

With the rapid development of modern economy, the functional requirements of transport vehicles as important tools in logistics transportation are increasing, wherein some goods such as perishable food which need to be preserved and transported at low temperature must be transported by a refrigerated transport vehicle with a refrigeration function, and the refrigerated vehicle refers to a closed type transport vehicle for maintaining the temperature of frozen or fresh-keeping goods, and the refrigerated vehicle is a special transport vehicle for refrigeration equipped with a refrigeration device of a refrigeration unit and a polyurethane heat insulation compartment; on the other hand, when the goods are unloaded, the goods in the carriage are directly pulled down from the carriage in a labor-saving manner, and the carriage is higher than the ground, so that the goods are easily damaged.

Disclosure of Invention

The present invention has been made to solve the above problems, and an object of the present invention is to provide a cargo handling mechanism built in a vehicle compartment for a refrigerated transport vehicle.

In order to achieve the purpose, the invention adopts the following technical scheme:

a cargo loading and unloading mechanism arranged in a carriage for a refrigerated transport vehicle comprises:

the first transmission wheels are two in number, the two first transmission wheels are connected with a first support together, and the first support is fixedly connected to a carriage;

the number of the second driving wheels is one, and the second driving wheels are connected with a second bracket;

the number of the tensioning wheels is one, and the tensioning wheels are positioned between the first driving wheel and the second driving wheel;

the first driving wheel, the second driving wheel and the tension wheel are sleeved with a driving belt together;

the telescopic driving mechanism is arranged on the first support and provided with an output end, the output end of the telescopic driving mechanism is connected with a third support, the telescopic driving mechanism drives the third support to reciprocate, and the third support is connected with a second support.

Optionally, the third bracket and the second bracket are fixedly connected through a bolt.

Optionally, a sliding groove is formed in the first support, a sliding block is connected to the sliding groove in a sliding manner, the tensioning wheel is rotatably connected to the sliding block, and a tension spring is arranged between the sliding block and the first support.

Optionally, the telescopic driving mechanism is composed of a fixed frame, a lead screw, a bearing, a threaded sleeve, a driving mechanism, a polished rod, a connecting block and a stop block;

the fixing frame is fixedly connected with the first support, a thread bush is transversely arranged on the fixing frame through a bearing, the thread bush is in threaded connection with a lead screw, the thread bush is connected with a driving mechanism for driving the axial rotation of the lead screw, two ends of the lead screw are respectively welded with a connecting block and a stop block, the connecting block is welded with a third support, a light bar is welded with the connecting block and arranged in parallel with the lead screw, and the fixing frame is penetrated through the gap of the light bar.

Optionally, the driving mechanism is composed of a motor, a first gear and a second gear;

the motor is installed on the fixing frame, an output shaft of the motor is in key connection with a first gear, the first gear is meshed with a second gear, and the second gear is in key connection with the threaded sleeve.

Optionally, a mandrel is arranged on the second support, the second support is rotatably connected with a third support through the mandrel, two clamping grooves are formed in the mandrel, and an elastic ejecting piece matched and abutted against the clamping grooves is arranged on the third support.

Optionally, the mandrel key is connected with a gear, a rack which can be engaged with the gear is arranged on a linear motion path of the gear, a plurality of limiting wheels are arranged at the bottom end of the rack, and the upper ends of the limiting wheels abut against the transmission belt.

Optionally, the elastic top piece is composed of a T-shaped rod, a top block, a fixed block, a spring connecting block and a spring;

the one end and the spring connecting block welding of spring, the other end and fixed block welding, the fixed block welding is on the third support, T type pole and spring connecting block fixed connection, T type pole clearance in proper order passes spring and fixed block and integrated into one piece has the kicking block.

The invention has the following advantages:

according to the invention, the first driving wheel, the second driving wheel and the tensioning wheel are arranged, and the driving belt is sleeved on the first driving wheel, the second driving wheel and the tensioning wheel together, so that goods can move on the driving belt, on one hand, the goods are convenient to rapidly assemble and disassemble, and do not need to enter a refrigerator carriage manually, and on the other hand, the driving belt can play a role in buffering and damping due to the flexible structure.

The telescopic driving mechanism is arranged, namely, the matched telescopic movement of the thread sleeve and the screw rod is realized under the power of the driving mechanism, so that the second driving wheel is conveniently driven to extend out of the carriage from the inside of the carriage, and the goods are conveniently loaded or unloaded.

According to the invention, the gear and the rack are arranged between the third support and the second support, so that the second belt pulley can be matched with the telescopic driving mechanism to realize the overturning of the second belt pulley while the second belt pulley moves linearly, the height between the second belt pulley and the ground is reduced, the device or the unloading of goods is facilitated, and the goods are prevented from directly falling from a higher carriage and being damaged.

Drawings

FIG. 1 is a schematic overall structure diagram according to an embodiment of the present invention;

FIG. 2 is a schematic view of a portion of the first, second and third drive wheels of the present invention;

FIG. 3 is a schematic view of the telescopic driving mechanism of the present invention;

FIG. 4 is a schematic view of the drive mechanism of the present invention;

FIG. 5 is a schematic view of a second portion of an embodiment of the present invention;

FIG. 6 is a schematic view of an elastic top according to a second embodiment of the present invention;

fig. 7 is a motion flow chart of the second embodiment of the present invention.

In the figure: the device comprises a tensioning wheel 1, a second transmission wheel 2, a first transmission wheel 3, a first support 4, a second support 5, a support roller group 6, a telescopic driving mechanism 7, a fixing frame 71, a 72 lead screw, a 73 bearing, a 74 thread sleeve, a driving mechanism 75, a motor 751, a first gear 752, a second gear 753, a lever 76, a connecting block 77, a stop 78, a transmission belt 8, a sliding block 9, a sliding groove 10, a third support 11, a gear 12, a rack 13, a spindle 14, an elastic ejecting part 15, an ejecting block 151, a fixing block 152, a spring connecting block 153, a T-shaped rod 154, a spring 155, a limiting wheel 16 and a clamping groove 17.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Example one

Referring to fig. 1 to 4, the number of the first driving wheels 3 is two, and the two first driving wheels 3 are connected with a first bracket 4, and the first bracket 4 is fixedly connected to the car.

The number of the second driving wheels 2 is one, and the second driving wheels 2 are connected with second brackets 5;

the number of the tension wheel 1 is one, the tension wheel 1 is positioned between the first driving wheel 3 and the second driving wheel 2, and the tension wheel 1 is used for tensioning the driving belt 8 all the time to avoid looseness of the driving belt.

The first support 4 is provided with a sliding groove 10, the sliding groove 10 is connected with a sliding block 9 in a sliding mode, the tensioning wheel 1 is connected to the sliding block 9 in a rotating mode, a tension spring 18 is arranged between the sliding block 9 and the first support 4, the sliding groove 10 and the sliding block 9 are arranged to achieve displacement movement of the tensioning wheel 1, and the tension spring 18 can drive the tensioning wheel 1 to reset.

The common cover is equipped with drive belt 8 on first drive wheel 3, secondary drive wheel 2 and the take-up pulley 1, and the axial length of first drive wheel 3, secondary drive wheel 2 and take-up pulley 1 is because of slightly being less than the carriage width to can drive belt 8 on it and be covered with whole carriage, drive belt 8 can adopt the belt, possesses buffer function.

The support roller set 6 can be horizontally arranged below the upper layer of the transmission belt 8, the support roller set 6 is composed of a plurality of support rollers, the support roller set plays a role in supporting, the transmission belt 8 is prevented from collapsing under the pressure of goods, and meanwhile, the support rollers can rotate to reduce friction between the transmission belt 8 and the support roller set when the transmission belt 8 moves.

Flexible actuating mechanism 7, flexible actuating mechanism 7 sets up on first support 4, and flexible actuating mechanism 7 possesses an output, and flexible actuating mechanism 7's output is connected with third support 11, and flexible actuating mechanism 7 drives third support 11 reciprocating motion.

The telescopic driving mechanism 7 is composed of a fixed frame 71, a lead screw 72, a bearing 73, a threaded sleeve 74, a driving mechanism 75, a light bar 76, a connecting block 77 and a stop block 78, wherein the connecting block 77 is defined as an output end of the telescopic driving mechanism 7, and the specific connection mode is as follows:

the fixing frame 71 is fixedly connected with the first support 4, a threaded sleeve 74 is transversely arranged on the fixing frame 71 through a bearing 73, the threaded sleeve 74 is in threaded connection with the lead screw 72, the threaded sleeve 74 is connected with a driving mechanism 75 for driving the axial rotation of the threaded sleeve 74, two ends of the lead screw 72 are respectively welded with a connecting block 77 and a stop block 78, the connecting block 77 is welded with the third support 11, the light bar 76 is welded with the connecting block 77 and is arranged in parallel with the lead screw 72, and the light bar 76 penetrates through the fixing frame 71 in a gap mode.

The telescopic driving mechanism 7 is powered by the driving mechanism 75, and the threaded sleeve 74 is engaged with the lead screw 72 to realize the linear motion of the lead screw 72, so as to finally drive the connecting block 77 to move.

In the telescopic driving mechanism 7, the driving mechanism 75 is composed of the motor 751, the first gear 752 and the second gear 753, and the specific connection is as follows:

the motor 751 is installed on the fixed frame 71, the output shaft of the motor 751 is in key connection with the first gear 752, the first gear 752 is meshed with the second gear 753, and the second gear 753 is in key connection with the threaded sleeve 74.

The driving mechanism 75 is operated to provide torque by the motor 751, rotate the threaded sleeve 74 by engagement of the first gear 752 with the second gear 753, and power the telescopic driving mechanism 7.

In this embodiment, third support 11 passes through bolt fixed connection with second support 5, and behind the two fixed connection, can drive 6 linear motion of second support after the 11 motion of third support to can stretch out the carriage with second support 6 and second drive wheel 2, the unloading of being convenient for.

When the carriage where the transmission belt 8 needs to be extended is used for loading or unloading goods, the driving mechanism 75 drives the threaded sleeve 74 to rotate, the threaded sleeve 74 drives the screw rod 72 to do axial linear motion, and the screw rod 72 drives the third support 11 and the second support 5 to move through the connecting block 77 until the second support 5 drives the second transmission wheel 2 to extend out of the carriage.

At the same time, since the second support 5 drives the second transmission wheel 2 to move, the running belt 8 is pulled up, so that the tensioning wheel 1 overcomes the tension of the tension spring 18 to provide an extra length of the transmission belt 8 for compensation.

Example two

Referring to fig. 5 to 7, the present embodiment is different from the first embodiment in that, in the present embodiment, the third bracket 11 is rotatably connected to the second bracket 5, specifically as follows: the second bracket 5 is provided with a mandrel 14, the second bracket 5 is rotatably connected with the third bracket 11 through the mandrel 14, and the mandrel 14 is arranged to be convenient to cooperate with the gear 12 and the elastic top piece 15.

The mandrel 14 is in key connection with the gear 12, a rack 13 which can be meshed with the gear 12 is arranged on a linear motion path of the gear 12, a plurality of limiting wheels 16 are arranged at the bottom end of the rack 13, and the upper ends of the limiting wheels 16 are abutted against the transmission belt 8. Referring to fig. 7, when the gear 12 normally moves linearly without rotation along with the third rack 11, and when the gear 12 is engaged with the rack 13, the gear 12 becomes linearly and rotationally moved, so as to drive the second rack 5 and the second transmission wheel 2 to tilt, thereby providing an inclined plane to lower the height of the inclined plane from the ground, facilitating the unloading and loading of the material, wherein the angle of the inclined plane can be set by the length of the rack 13 and the angle of the slot 17, and the gap between the second transmission wheel 2 and the ground can be set by the displacement length thereof.

Two clamping grooves 17 are formed in the mandrel 14, an elastic ejecting piece 15 matched and abutted to the clamping grooves 17 is arranged on the third support 11, the elastic ejecting piece 15 is composed of a T-shaped rod 154, an ejecting block 151, a fixing block 152, a spring connecting block 153 and a spring 155, and the specific connection mode is as follows:

one end of the spring 155 is welded to the spring connecting block 153, the other end of the spring 155 is welded to the fixing block 152, the fixing block 152 is welded to the third bracket 11, the T-shaped rod 154 is fixedly connected to the spring connecting block 153, and the T-shaped rod 154 sequentially penetrates through the spring 155 and the fixing block 152 in a clearance mode and is integrally formed with the top block 151.

Above-mentioned elasticity ejecting member 15's effect lies in, through the elasticity of spring 155, drives kicking block 151 and draw-in groove 17 cooperation chucking, and during the two chucking, play and avoid the arbitrary wobbling effect of gear 12, in this embodiment, support block 151 and can adopt spherical, hemisphere or arc structure, so alright avoid totally blocking in the chucking, lead to the unable and rack 13 meshing of gear 12.

The above description is only a preferred embodiment of the present invention, and not intended to be exhaustive or to limit the scope of the present invention, and any person skilled in the art can substitute or change the technical solution and the inventive concept of the present invention within the technical scope of the present invention. In the present invention, unless otherwise specifically stated or limited, the terms "cover", "fitted", "attached", "fixed", "distributed", and the like are to be understood in a broad sense, and may be, for example, fixedly attached, detachably attached, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Claims

1. The utility model provides a built-in goods loading and unloading mechanism in carriage for refrigerated transport vehicle which characterized in that includes:

the number of the first driving wheels (3) is two, the two first driving wheels (3) are connected with a first support (4) together, and the first support (4) is fixedly connected to a carriage;

the number of the second transmission wheels (2) is one, and the second transmission wheels (2) are connected with second supports (5);

the number of the tensioning wheels (1) is one, and the tensioning wheels (1) are positioned between the first driving wheel (3) and the second driving wheel (2);

the first transmission wheel (3), the second transmission wheel (2) and the tension wheel (1) are sleeved with a transmission belt (8) together;

flexible actuating mechanism (7), flexible actuating mechanism (7) set up on first support (4), flexible actuating mechanism (7) possess an output, the output of flexible actuating mechanism (7) is connected with third support (11), flexible actuating mechanism (7) drive third support (11) reciprocating motion, third support (11) are connected with second support (5).

2. A vehicle interior cargo handling mechanism for a refrigerated transport vehicle as set forth in claim 1 wherein said third bracket (11) and said second bracket (5) are fixedly connected by bolts.

3. The cargo handling mechanism in a carriage for a refrigerated transport vehicle according to claim 2, wherein a sliding groove (10) is formed in the first bracket (4), a sliding block (9) is slidably connected to the sliding groove (10), the tension pulley (1) is rotatably connected to the sliding block (9), and a tension spring (18) is disposed between the sliding block (9) and the first bracket (4).

4. A cargo loading and unloading mechanism for a refrigerated transport vehicle as recited in claim 3, wherein the telescopic driving mechanism (7) is composed of a fixed frame (71), a lead screw (72), a bearing (73), a thread bush (74), a driving mechanism (75), a lever (76), a connecting block (77) and a stopper (78);

mount (71) and first support (4) fixed connection, transversely be provided with thread bush (74) through bearing (73) on mount (71), thread bush (74) and lead screw (72) threaded connection, thread bush (74) are connected with its axial rotation of drive mechanism (75), the both ends of lead screw (72) weld with connecting block (77) and dog (78) respectively, connecting block (77) and third support (11) welding, polished rod (76) weld with connecting block (77) and with lead screw (72) parallel arrangement, fixed mount (71) is passed in polished rod (76) clearance.

5. The cargo loading/unloading mechanism for a refrigerated transport vehicle as recited in claim 4, wherein said drive mechanism (75) is constituted by a motor (751), a first gear (752) and a second gear (753);

the motor (751) is mounted on the fixed frame (71), an output shaft of the motor (751) is in key connection with a first gear (752), the first gear (752) is meshed with a second gear (753), and the second gear (753) is in key connection with a threaded sleeve (74).

6. The cargo handling mechanism arranged in the carriage for the refrigerated transport vehicle as recited in claim 1, wherein a mandrel (14) is arranged on the second bracket (5), the second bracket (5) is rotatably connected with a third bracket (11) through the mandrel (14), two clamping grooves (17) are formed in the mandrel (14), and an elastic jacking piece (15) which is matched and abutted against the clamping grooves (17) is arranged on the third bracket (11).

7. The cargo loading and unloading mechanism for the refrigerated transport vehicle is characterized in that the spindle (14) is connected with a gear (12) in a key mode, a rack (13) capable of being meshed with the gear (12) is arranged on a linear motion path of the gear (12), a plurality of limiting wheels (16) are arranged at the bottom end of the rack (13), and the upper ends of the limiting wheels (16) are abutted to the transmission belt (8).

8. The cargo handling mechanism in a vehicle compartment for a refrigerated transport vehicle as set forth in claim 6, wherein the elastic top member (15) is composed of a T-shaped bar (154), a top block (151), a fixed block (152), a spring connecting block (153) and a spring (155);

one end and the spring connecting block (153) welding of spring (155), the other end and fixed block (152) welding, fixed block (152) welding is on third support (11), T type pole (154) and spring connecting block (153) fixed connection, spring (155) and fixed block (152) and integrated into one piece have kicking block (151) are passed in proper order in the clearance to T type pole (154).