CN117819377A - Hoisting equipment for refrigerator carriage - Google Patents

Abstract

The invention discloses hoisting equipment for a refrigerator carriage, which comprises two electric screw mechanisms, wherein the electric screw mechanisms are provided with fixed side plates in a driving way, the tops of the two fixed side plates are fixedly provided with the same top plate, the tops of the top plates are provided with the same hoisting mechanism positioned below the top plate through three electric push rods, the outer walls of the fixed side plates are provided with sliding grooves, and clamping mechanisms are arranged in the sliding grooves. According to the invention, when the rotating rod rotates, the internal thread disc which is kept not to rotate moves along the rotating rod under the action of the external thread, so that when the internal thread disc moves upwards, the internal thread disc moves close to the refrigerator body, the mounting plate fixed with the first cross block moves along with the refrigerator body, the internal thread disc is clamped on the outer wall of the refrigerator body, the refrigerator body is adsorbed by the suction disc and the vacuum pump, the stability of the refrigerator body is enhanced and stabilized by the two groups of clamping mechanisms, the clamping mechanisms can move along with the refrigerator body, the clamping mechanisms can be kept stable during lifting, and damage caused by shaking during lifting is effectively prevented.

Description

Hoisting equipment for refrigerator carriage

Technical Field

The invention relates to the technical field of lifting equipment, in particular to lifting equipment for a refrigerator carriage.

Background

Refrigerated vehicles are closed van-type transport vehicles for transporting frozen or fresh goods, and are practically called refrigerated thermal-insulation vehicles, and have two major classes, namely refrigerated vehicles and thermal-insulation vehicles, and the biggest difference is in refrigerated carriages.

When the refrigerator carriage is installed, lifting equipment is needed, and when lifting, the following steps are generally needed:

1. confirming that the crane in the refrigerator is in the proper position and ensuring that it can be safely operated. 2. The control panel of the crane is opened, typically on a control cabinet of the crane. Confirming that the power supply of the crane is turned on. 3. Check and ensure that the lifting mechanism and the hooks of the crane do not have any problems. If any abnormal situation exists, the maintenance personnel is immediately informed to process. 4. The lifting mechanism is operated to lower the hook over the item to be handled using a button or lever on the control panel of the crane.

When the existing lifting equipment lifts by crane, ropes are generally bound on a refrigerated carriage in advance, then the crane is hung on the hook to lift, and in actual use, the phenomenon that shaking occurs easily in the lifting process during lifting is found, so that certain danger exists, and safety is not enough, and therefore, the lifting equipment for the refrigerated carriage is designed.

Disclosure of Invention

The invention aims to solve the defects in the prior art, and provides hoisting equipment for a refrigerated compartment.

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

the hoisting equipment for the refrigerated carriage comprises two electric screw mechanisms, wherein fixed side plates are arranged in a driving mode of the electric screw mechanisms, the top of each fixed side plate is fixedly provided with a same top plate, the tops of the top plates are provided with hoisting mechanisms which are positioned below the top plates through three electric push rods, the outer walls of the fixed side plates are provided with sliding grooves, and clamping mechanisms are arranged in the sliding grooves;

the clamping mechanism comprises a twenty-first block which is arranged inside the sliding groove in a sliding manner, a through hole is formed in the twenty-first block, a rotating rod is arranged in the through hole in a rotating manner, an external thread is formed in a part, far away from a fixed side plate, of the rotating rod, a pushing mechanism matched with the rotating rod is arranged on the rotating rod in a threaded manner, the pushing mechanism is connected with a mounting plate, a plurality of suckers are arranged on the outer wall of the mounting plate, a vacuum pump connected with the suckers through a guide pipe is arranged on one side, facing away from the suckers, of the mounting plate, the guide pipe is connected to the air inlet end of the vacuum pump, a gear is fixedly sleeved on the outer wall of the rotating rod, a mounting strip is fixedly arranged on the outer wall of the fixed side plate, a tooth groove matched with the lower part of the mounting strip is formed in a position, close to one side of the gear, and the end face of the rotating rod is fixedly provided with a stop block.

As a further scheme of the invention, the pushing mechanism comprises an internal thread disc which is in threaded connection with the outer wall of the rotating rod and is positioned at an external thread position, a connecting rod is symmetrically fixed at the top and the bottom of the outer wall of the internal thread disc, a first cross block is fixed on the end face of the connecting rod and is arranged in the sliding groove in a sliding way, the first cross block is fixed on the outer wall of the mounting plate through a fixing rod, when a lifting carriage moves upwards, the clamping mechanism is driven to move upwards, the gear moves upwards and is enabled to rotate under the action of a mounting strip, the rotating gear can enable the rotating rod fixed by the rotating gear to rotate, and as the connecting rod is connected with the internal thread disc, the connecting rod is connected with the first cross block, the first cross block is arranged in the sliding way under the action of the external thread, so that when the rotating rod rotates, the internal thread disc is kept to move close to the refrigerator body, the mounting plate fixed with the first cross block moves along with the rotating rod, the refrigerator body is clamped on the outer wall of the refrigerator body, and the clamping mechanism and the vacuum pump adsorption body are combined to the refrigerator body when the lifting carriage moves upwards, so that the lifting mechanism is stable and the two groups of refrigerators can be prevented from moving stably along with the refrigerator body.

As a further scheme of the invention, the two sides of the inner wall of the chute are respectively provided with an adapting groove, and the second cross block and the first cross block are arranged in the chute and the adapting grooves in a sliding way.

As a further scheme of the invention, the outer wall of the fixed side plate and the outer wall of the mounting strip are uniformly provided with corresponding screw holes, and the mounting strip is connected with the fixed side plate through bolts.

As a further scheme of the invention, the two sides of the bottom of the installation frame are fixedly provided with the movable wheels, and one side of the installation frame far away from the stepping motor is fixedly provided with the edge covering block.

As a further scheme of the invention, the outer wall of the installation frame is provided with the downward moving mechanism, the downward moving mechanism comprises a driving motor, a connecting shaft, a pressing plate and two fixing lugs, the two fixing lugs are fixed on the installation frame, the connecting shaft is rotatably arranged between the two fixing lugs, the driving motor is fixed on the outer wall of one fixing lug, an output shaft of the driving motor is coaxially fixed with the connecting shaft, an adapting hole is formed in the top of the inner wall of the pressing plate, the connecting shaft is fixedly arranged on the inner wall of the adapting hole in a penetrating manner, the downward moving mechanism is arranged, the downward moving mechanism comprises the driving motor fixing lugs, the connecting shaft, the pressing plate and the adapting hole, after moving equipment reaches a proper position, the driving motor is started to enable the connecting shaft to rotate, the rotating connecting shaft can enable the bottom of the pressing plate to be abutted against the ground, the contact area is increased, and a certain effect of keeping the equipment stable is achieved.

As a further scheme of the invention, a U-shaped reinforcing frame is fixed above the downward moving mechanism on the outer wall of the mounting frame, a U-shaped holding rod is fixed on the U-shaped reinforcing frame, two workers are respectively positioned on two sides of the equipment, and the two workers hold the U-shaped reinforcing frame to move and adjust the position of the equipment.

As a further scheme of the invention, the lifting mechanism comprises a lifting plate, four electric hoists are uniformly fixed on the top of the lifting plate, an iron chain is wound on a winding roller of the electric hoists, through holes for the iron chain to pass through are formed in the lifting plate, lifting hooks are fixed on the bottom of the iron chain, in the embodiment, the electric screw mechanism comprises a mounting frame, a screw is rotatably arranged in the mounting frame, a stepping motor is fixed at one end of the mounting frame, an output shaft of the stepping motor is coaxially fixed with the screw, a track block matched with the screw is arranged on the screw, the fixed side plates are fixed on the corresponding track blocks, the arranged electric screw mechanism comprises a mounting frame, the screw, the stepping motor and the track block, the arranged lifting mechanism comprises the lifting plate, a fixed sleeve, a reinforcing rod, the electric hoists, the through holes, the iron chain and the like, an electric push rod driving the lifting plate to move is arranged on a top plate, the two electric screw mechanisms are pushed to two sides of the electric carriages, the lifting hooks hang ropes bound on the refrigerator carriages, the electric push rods are used for lifting through the electric hoists, the electric hoists work, the electric push rods are further and the two electric push rods are driven by the electric push rods to move between the two electric push rods and the two electric push rods to realize safe lifting mechanisms, and the two-side lifting mechanism can be further combined to move, and realize the safe lifting and the two-side lifting mechanism.

As a further scheme of the invention, the electric push rod is fixed on the top plate, the top plate is provided with holes for the output shafts of the electric push rod to pass through, the output shafts of the three electric push rods are fixed with the top of the lifting plate, the top of the lifting plate is also fixed with two symmetrical fixing sleeves, the two fixing sleeves are respectively sleeved on the outer walls of the output shafts of the electric push rods positioned at two sides, and the outer walls of the fixing sleeves are fixed with two symmetrical reinforcing rods which are fixed with the top of the lifting plate.

The beneficial effects of the invention are as follows:

the invention comprises the following steps: through the electronic lead screw mechanism, fixed curb plate, the roof, electric putter, hoisting mechanism, fixture and spout etc. wherein, the fixture that sets up includes the mounting panel, the vacuum pump, the sucking disc, the dwang, the external screw thread, the internal screw thread dish, the gear, the connecting rod, first cross piece and the cross piece, and combine installing strip that sets up at fixed curb plate outer wall, tooth's socket and bolt, when combining the tie to lift by crane the refrigerator carriage through the hoisting mechanism that sets up, when the lift by crane carriage moves up, drive fixture and move up, under the effect of combining the installing strip, make its gear rotate, pivoted gear can make its fixed dwang rotate, because the internal screw thread dish connects the connecting rod, the connecting rod connects first cross piece, first cross piece slides and sets up in the spout, consequently, when the dwang rotates, keep the internal screw thread dish can be moved along the dwang under the effect of external screw thread, in order to ensure when moving up, the internal screw thread dish is close to the refrigerator body, with the fixed mounting panel of first cross piece removes thereupon, the centre gripping at the outer wall of refrigerator body, combine sucking disc and sucking disc, the suction cup, the effect of lifting by combining the effect of installing strip, it is stable to cause when the refrigerator is stable to move to the refrigerator when the two sets of suction box, and stable and keep the stability to keep the refrigerator when holding to move.

The invention comprises the following steps: the electric screw rod mechanisms comprise a mounting frame, screw rods, stepping motors and track blocks, the lifting mechanisms comprise lifting plates, fixing sleeves, reinforcing rods, electric hoists, through holes, iron chains and the like, electric push rods for driving the lifting plates to move are mounted on the top plate, the two electric screw rod mechanisms are pushed to be located at two sides of a refrigerator carriage, a lifting hook is used for hanging ropes bound on the refrigerator carriage, the electric hoist is used for lifting, the electric push rods are combined for driving the lifting mechanisms to further move, lifting of the refrigerator carriage is achieved, and the lifting is kept between the two electric screw rod mechanisms and the two fixed side plates, so that safe lifting is completed.

The invention comprises the following steps: be provided with the mechanism that moves down, move down the mechanism and include driving motor fixed ear, connecting axle, clamp plate and adaptation hole, after the mobile device reaches suitable position, start driving motor for the connecting axle rotates, and pivoted connecting axle can make the clamp plate rotate, makes the clamp plate bottom conflict on ground, increases area of contact, plays certain effect that keeps equipment stable.

Drawings

Fig. 1 is a schematic view of a first perspective structure of a lifting device for a refrigerated compartment according to the present invention;

fig. 2 is a schematic view of a second perspective structure of a lifting device for a refrigerated compartment according to the present invention;

fig. 3 is a schematic structural view of a clamping mechanism of a lifting device for a refrigerated compartment according to the present invention;

fig. 4 is a partially-unfolded perspective view of a clamping mechanism of a lifting device for a refrigerated compartment according to the present invention;

fig. 5 is a partially expanded perspective view of a lifting device for a refrigerated compartment according to the present invention;

fig. 6 is a schematic perspective view of a lifting mechanism of a lifting device for a refrigerated compartment according to the present invention;

fig. 7 is a schematic perspective view of an electric screw mechanism of a lifting device for a refrigerator compartment according to the present invention;

fig. 8 is an enlarged perspective view of a lifting device for a refrigerator compartment according to the present invention shown in fig. 6.

In the figure: 1. an electric screw rod mechanism; 101. a mounting frame; 102. a screw rod; 103. a stepping motor; 104. a track block; 2. fixing the side plates; 3. a top plate; 4. an electric push rod; 5. a lifting mechanism; 501. a lifting plate; 502. a fixed sleeve; 503. a reinforcing rod; 504. an electric hoist; 506. a through hole; 507. an iron chain; 508. a lifting hook; 6. a clamping mechanism; 601. a mounting plate; 602. a vacuum pump; 603. a suction cup; 604. a rotating lever; 605. an external thread; 606. an internal thread disc; 607. a gear; 608. a connecting rod; 609. a first cross block; 610. a twentieth block; 611. perforating; 7. a chute; 8. a mounting bar; 801. tooth slots; 802. a bolt; 9. a downward moving mechanism; 901. a driving motor; 902. a fixed ear; 903. a connecting shaft; 904. a pressing plate; 905. an adapter hole; 10. edge covering blocks; 11. u-shaped reinforcing frames; 12. a U-shaped grip lever; 13. and (5) moving the wheel.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.

It should be noted that, in the case of no conflict, the embodiments and features in the embodiments may be combined with each other. The invention will be described in detail below with reference to the drawings in connection with embodiments.

Referring to fig. 1-8, a hoisting device for a refrigerated carriage comprises two electric screw mechanisms 1, wherein the electric screw mechanisms 1 are provided with fixed side plates 2 in a driving manner, the top parts of the two fixed side plates 2 are fixedly provided with a same top plate 3, the top parts of the top plates 3 are provided with a hoisting mechanism 5 which is positioned below the top plates 3 through three electric push rods 4, the outer walls of the fixed side plates 2 are provided with sliding grooves 7, and clamping mechanisms 6 are arranged in the sliding grooves 7;

the fixture 6 includes the sliding setting in the inside twenty-first piece 610 of spout 7, the perforation 611 has been seted up on the twenty-first piece 610, the perforation 611 internal rotation is provided with dwang 604, the external screw thread 605 has been seted up to the part that dwang 604 kept away from fixed curb plate 2, the pushing mechanism who installs rather than the adaptation on the dwang 604, pushing mechanism is connected with mounting panel 601, a plurality of sucking discs 603 are installed to the outer wall of mounting panel 601, the vacuum pump 602 through pipe connection with sucking discs 603 is installed to one side of mounting panel 601 dorsad, and pipe connection is at the air inlet of vacuum pump 602, the fixed cover of outer wall of dwang 604 is equipped with gear 607, the outer wall of fixed curb plate 2 is fixed with installation strip 8, the tooth's socket 801 rather than the adaptation has been seted up to the lower part of installation strip 8, the terminal surface of dwang 604 is all fixed with the dog.

In this embodiment, the pushing mechanism includes the internal thread dish 606 that threaded connection is located external screw 605 department at the dwang 604 outer wall, the outer wall top and the bottom symmetry of internal thread dish 606 are fixed with connecting rod 608, the terminal surface of connecting rod 608 is fixed with first cross piece 609, first cross piece 609 slides and sets up in the inside of spout 7, first cross piece 609 passes through the dead lever to be fixed at the outer wall of mounting panel 601, when the lifting carriage moves up, drive fixture 6 and move up, the gear 607 moves up under the effect of combining mounting bar 8, make its gear 607 rotate, the pivoted gear 607 can make its fixed dwang 604 rotate, because internal thread dish 606 connects connecting rod 608, first cross piece 609 is installed in spout 7 in the slip of first cross piece 609, therefore when dwang 604 rotates, internal thread dish 606 that keeps irrotational moves along dwang 604, in order to ensure to move with the outer wall that first cross piece 609 is fixed, the outer wall of mounting panel 603 moves up, under the effect of fixing the suction cup and the effect of lifting carriage and the suction cup can be steadily and the refrigerator 6 is kept in firm and stable combination with the lifting mechanism, and the refrigeration case is kept in the refrigeration case 6 when the lifting mechanism is combined with the refrigeration case is stable.

In this embodiment, the two sides of the inner wall of the chute 7 are provided with the adapting grooves, and the twentieth cross block 610 and the first cross block 609 are slidably disposed in the chute 7 and the adapting grooves.

In this embodiment, corresponding screw holes are uniformly formed on the outer wall of the fixed side plate 2 and the outer wall of the mounting bar 8, and the mounting bar 8 and the fixed side plate 2 are connected through bolts 802.

In this embodiment, moving wheels 13 are fixedly mounted on two sides of the bottom of the mounting frame 101, and a binding block 10 is fixed on one side of the mounting frame 101 away from the stepper motor 103.

In this embodiment, the outer wall of the installation frame 101 is installed with the downshifting mechanism 9, downshifting mechanism 9 includes driving motor 901, connecting axle 903, clamp plate 904 and two fixed lugs 902, two fixed lugs 902 are fixed at the installation frame 101, connecting axle 903 rotates and sets up between two fixed lugs 902, driving motor 901 fixes the outer wall at one of them fixed lugs 902, the output shaft of driving motor 901 is fixed with connecting axle 903 coaxial, adapter hole 905 has been seted up at the inner wall top of clamp plate 904, connecting axle 903 is fixed wears to establish the inner wall at adapter hole 905, be provided with downshifting mechanism 9, downshifting mechanism 9 includes driving motor 901 fixed lugs 902, connecting axle 903, clamp plate 904 and adapter hole 905, after the mobile device is to suitable position, start driving motor 901, make connecting axle 903 rotate, the connecting axle 903 of rotation can make clamp plate 904 rotate, make clamp plate 904 bottom conflict in the ground, increase area of contact, play certain stable effect of holding device.

In this embodiment, the outer wall of the installation frame 101 is located above the downward moving mechanism 9 and is fixed with a U-shaped reinforcing frame 11, a U-shaped holding rod 12 is fixed on the U-shaped reinforcing frame 11, two workers are respectively located at two sides of the equipment, and hold the U-shaped reinforcing frame 11 to push the equipment to move and adjust positions.

In this embodiment, the lifting mechanism 5 includes the lifting plate 501, four electric hoist 504 are evenly fixed on the top of lifting plate 501, around being equipped with iron chain 507 on the wind-up roll of electric hoist 504, the through hole 506 that supplies iron chain 507 to pass is offered on the lifting plate 501, the bottom of iron chain 507 is fixed with lifting hook 508, in this embodiment, electric lead screw mechanism 1 includes mounting frame 101, the rotation of mounting frame 101 is provided with lead screw 102, the one end of mounting frame 101 is fixed with step motor 103, step motor 103's output shaft and lead screw 102 coaxial fixation, install the track piece 104 rather than the adaptation on the lead screw 102, fixed curb plate 2 is fixed on corresponding track piece 104, the electric lead screw mechanism 1 that sets up includes mounting frame 101, lead screw 102, step motor 103 and track piece 104, the lifting mechanism 5 that sets up includes lifting plate 501, the fixed sleeve 502, the stiffener 503, electric hoist 504, through hole 506 and iron chain 507 etc. and install the electric putter 4 that drive the lifting plate 501 removed on roof 3, two electric lead screw mechanisms 1 promote to be located the both sides of binding carriage, the electric lead screw mechanism 508 hangs the electric putter rope on the electric hoist mechanism 4, the electric hoist mechanism 2 is fixed on two sides of electric hoist mechanism that the electric hoist mechanism 2 and the work, the two is held between two and the refrigerating carriage is realized, the refrigerating mechanism is further to be lifted and the refrigerating mechanism is moved and is accomplished.

In this embodiment, the electric push rod 4 is fixed on the top plate 3, the top plate 3 is provided with a hole for the output shaft of the electric push rod 4 to pass through, the output shafts of the three electric push rods 4 are fixed with the top of the lifting plate 501, the top of the lifting plate 501 is also fixed with two symmetrical fixing sleeves 502, the two fixing sleeves 502 are respectively sleeved on the outer walls of the output shafts of the electric push rods 4 positioned on two sides, the outer walls of the fixing sleeves 502 are fixed with two symmetrical reinforcing rods 503, and the reinforcing rods 503 are fixed with the top of the lifting plate 501.

Working principle: through the arranged electric screw rod mechanism 1, the fixed side plate 2, the top plate 3, the electric push rod 4, the lifting mechanism 5, the clamping mechanism 6, the sliding groove 7 and the like, wherein the arranged clamping mechanism 6 comprises a mounting plate 601, a vacuum pump 602, a sucker 603, a rotating rod 604, an external thread 605, an internal thread disc 606, a gear 607, a connecting rod 608, a first cross block 609 and a twenty-first cross block 610, and is combined with a mounting strip 8, a tooth groove 801 and a bolt 802 which are arranged on the outer wall of the fixed side plate 2, when the arranged lifting mechanism 5 is combined with a binding rope to lift the refrigerated compartment, when the suspended compartment moves upwards, the clamping mechanism 6 is driven to move upwards, the gear 607 moves upwards under the action of the combined mounting strip 8, the gear 607 rotates, the rotating gear 607 can rotate the rotating rod 604 fixed by the gear 607, and the connecting rod 608 is connected with the first cross block 609 because the internal thread disc 606 is connected with the connecting rod 608, the first cross block 609 is slidably arranged in the chute 7, so that when the rotating rod 604 rotates, the internal thread disc 606 which is kept unrotated moves along the rotating rod 604 under the action of the external thread 605, when the internal thread disc 606 moves upwards, the internal thread disc 606 moves close to the refrigerator body, the mounting plate 601 fixed with the first cross block 609 moves along with the refrigerator body, is clamped on the outer wall of the refrigerator body, and is combined with the sucking disc 603 and the vacuum pump 602 to absorb the refrigerator body, so that stability is enhanced, the two groups of clamping mechanisms 6 realize stability to the refrigerator body, the clamping mechanisms 6 can move along with the refrigerator body, remain stable during lifting, damage caused by shaking during lifting is effectively prevented, and when the refrigerator body moves downwards, the gear 607 reversely rotates with the tooth groove 801, so that the clamping mechanisms 6 are far away from the refrigerator body, and are released to stabilize the refrigerator body through the vacuum pumps 602 and 603;

further, the electric screw rod mechanisms 1 comprise a mounting frame 101, screw rods 102, a stepping motor 103 and a track block 104, the lifting mechanisms 5 comprise lifting plates 501, fixing sleeves 502, reinforcing rods 503, electric hoists 504, through holes 506, iron chains 507 and the like, electric push rods 4 for driving the lifting plates 501 to move are mounted on the top plate 3, the two electric screw rod mechanisms 1 are pushed to be positioned at two sides of a refrigerated carriage, lifting hooks 508 hang ropes bound on the refrigerated carriage, work through the electric hoists 504 to lift, the lifting mechanisms 5 are driven to move further by combining the electric push rods 4, lifting of the refrigerated carriage is achieved, and the lifting is kept between the two electric screw rod mechanisms 1 and the two fixed side plates 2, so that safe lifting is completed;

further, a downward moving mechanism 9 is provided, the downward moving mechanism 9 comprises a driving motor 901, a fixing lug 902, a connecting shaft 903, a pressing plate 904 and an adapting hole 905, after the moving device is moved to a proper position, the driving motor 901 is started, the connecting shaft 903 rotates, the rotating connecting shaft 903 can enable the pressing plate 904 to rotate, the bottom of the pressing plate 904 is abutted to the ground, the contact area is increased, and a certain effect of keeping the device stable is achieved.

Spatially relative terms, such as "above … …," "above … …," "upper surface at … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial location relative to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "above" or "over" other devices or structures would then be oriented "below" or "beneath" the other devices or structures. Thus, the exemplary term "above … …" may include both orientations of "above … …" and "below … …". The device may also be positioned in other different ways (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.

It should be noted that the terms "first," "second," and the like in the description and claims of the present application and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that embodiments of the present application described herein may be capable of being practiced otherwise than as specifically illustrated and described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. The hoisting equipment for the refrigerated carriage comprises two electric screw mechanisms (1), and is characterized in that the electric screw mechanisms (1) are provided with fixed side plates (2) in a driving mode, the tops of the two fixed side plates (2) are fixedly provided with the same top plate (3), the tops of the top plates (3) are provided with hoisting mechanisms (5) which are arranged below the top plates (3) and are arranged below the top plates (3) through three electric push rods (4), the outer walls of the fixed side plates (2) are provided with sliding grooves (7), and clamping mechanisms (6) are arranged in the sliding grooves (7);

clamping mechanism (6) is including sliding setting up in inside twenty-first piece (610) of spout (7), offer perforation (611) on the twenty-first piece (610), perforation (611) internal rotation is provided with dwang (604), external screw thread (605) have been seted up to the part that fixed curb plate (2) were kept away from to dwang (604), the pushing mechanism rather than the adaptation is installed to the screw thread on dwang (604), pushing mechanism is connected with mounting panel (601), a plurality of sucking discs (603) are installed to the outer wall of mounting panel (601), vacuum pump (602) through pipe connection with sucking disc (603) are installed to the one side of mounting panel (601) dorsad (603), and pipe connection is at the inlet end of vacuum pump (602), the fixed cover of outer wall of dwang (604) is equipped with gear (607), the outer wall of fixed curb plate (2) is fixed with mounting bar (8), one side that the lower part of mounting bar (8) is close to gear (607) is offered and is rather than tooth's socket (801) of adaptation, end face (604) are all fixed with the dog.

2. The hoisting device for the refrigerated compartment according to claim 1, wherein the pushing mechanism comprises an inner threaded disc (606) which is in threaded connection with the outer wall of the rotating rod (604) and located at the position of the outer thread (605), connecting rods (608) are symmetrically fixed at the top and the bottom of the outer wall of the inner threaded disc (606), first cross blocks (609) are fixed on the end faces of the connecting rods (608), the first cross blocks (609) are slidably arranged in the sliding grooves (7), and the first cross blocks (609) are fixed on the outer wall of the mounting plate (601) through fixing rods.

3. Hoisting device for a refrigerated compartment according to claim 2, characterized in that the inner wall of the chute (7) is provided with an adaptation groove on both sides, and the first and second cross blocks (610, 609) are slidably arranged in the chute (7) and the adaptation groove.

4. A lifting device for a refrigerated compartment according to claim 3, characterized in that the outer wall of the fixed side plate (2) and the outer wall of the mounting strip (8) are both provided with corresponding screw holes, and the mounting strip (8) and the fixed side plate (2) are connected by bolts (802).

5. Hoisting device for a refrigerated compartment according to claim 4, characterized in that the electric screw mechanism (1) comprises a mounting frame (101), a screw (102) is rotatably arranged in the mounting frame (101), a stepping motor (103) is fixed at one end of the mounting frame (101), an output shaft of the stepping motor (103) is coaxially fixed with the screw (102), a track block (104) adapted to the screw is mounted on the screw (102), and the fixed side plate (2) is fixed on the corresponding track block (104).

6. The hoisting device for a refrigerated compartment according to claim 5, characterized in that the moving wheels (13) are fixedly mounted on both sides of the bottom of the mounting frame (101), and the edge covering block (10) is fixed on one side of the mounting frame (101) away from the stepping motor (103).

7. The hoisting device for a refrigerator compartment according to claim 6, wherein the outer wall of the mounting frame (101) is provided with a downward moving mechanism (9), the downward moving mechanism (9) comprises a driving motor (901), a connecting shaft (903), a pressing plate (904) and two fixing lugs (902), the two fixing lugs (902) are fixed on the mounting frame (101), the connecting shaft (903) is rotatably arranged between the two fixing lugs (902), the driving motor (901) is fixed on the outer wall of one fixing lug (902), an output shaft of the driving motor (901) is coaxially fixed with the connecting shaft (903), an adapting hole (905) is formed in the top of the inner wall of the pressing plate (904), and the connecting shaft (903) is fixedly arranged on the inner wall of the adapting hole (905) in a penetrating mode.

8. Hoisting device for a refrigerated compartment according to claim 7, characterized in that the outer wall of the mounting frame (101) is fixed with a U-shaped reinforcing frame (11) above the downward movement mechanism (9), and the U-shaped reinforcing frame (11) is fixed with a U-shaped holding bar (12).

9. The hoisting device for the refrigerated compartment according to claim 8, wherein the hoisting mechanism (5) comprises a hoisting plate (501), four electric hoists (504) are uniformly fixed at the top of the hoisting plate (501), iron chains (507) are wound on wind-up rolls of the electric hoists (504), through holes (506) for the iron chains (507) to pass through are formed in the hoisting plate (501), and hooks (508) are fixed at the bottom of the iron chains (507).

10. The hoisting device for the refrigerator compartment according to claim 9, wherein the electric push rod (4) is fixed on the top plate (3), holes for the output shafts of the electric push rod (4) to pass through are formed in the top plate (3), the output shafts of the three electric push rods (4) are fixed with the top of the hoisting plate (501), two symmetrical fixing sleeves (502) are further fixed at the top of the hoisting plate (501), the two fixing sleeves (502) are respectively sleeved on the outer walls of the output shafts of the electric push rods (4) positioned on two sides, two symmetrical reinforcing rods (503) are fixed on the outer walls of the fixing sleeves (502), and the reinforcing rods (503) are fixed with the top of the hoisting plate (501).