Carriage with liftable platform

Abstract

The utility model provides a carriage with a liftable platform, which relates to the technical field of special vehicles, and is characterized in that an oil cylinder is connected with a first steel wire rope, a second steel wire rope and a third steel wire rope through a sliding block, and the movement direction of the sliding block is controlled by a track in a support frame; a first steel wire rope is connected to the middle of the movable supporting plate in the length direction, a second steel wire rope is connected to one end of the movable supporting plate in the length direction, and a third steel wire rope is connected to the other end, away from the second steel wire rope, of the movable supporting plate; therefore, the oil cylinders are connected with six different point positions of the movable supporting plate, lifting of the movable supporting plate can be flexibly controlled through stretching and retracting of the oil cylinders, applicability is high, and the purpose of double-layer special transportation is achieved; meanwhile, the tension of the single steel wire rope is reduced through connection of the six different point positions, the service life is prolonged, the movable supporting plate cannot fall off due to breakage of the single steel wire rope, and damage to articles on the lower layer cannot be caused.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of special vehicles, in particular to a carriage with a liftable platform. BACKGROUND

[0002] In order to improve the transportation efficiency, in recent years, there appears a transportation vehicle with double-layer bottom plate; for example, flatbed transport vehicle; however, the upper layer bottom plate of the vehicle carriage is mostly fixed structure which cannot be lifted. The upper layer bottom plate of the fixed structure is welded by steel structure and steel plate, and is fixedly installed in the middle part of the carriage, and plays the role of supporting the upper transportation articles and protecting the lower transportation articles. Since the upper layer bottom plate is fixed at a certain position, the special double-layer transportation vehicle can only be used for transporting special articles, and when transporting other articles, space is wasted or the articles are damaged, and various articles cannot be flexibly transported; meanwhile, with the development of society, the transportation demand of various precision instruments and fragile articles such as glass is increasing, and the sizes of the articles are also different, therefore, the fixed and welded double-layer transportation vehicle cannot meet the needs of special transportation, and brings great limitation to the goods transportation, and hinders the rapid development of the logistics transportation industry.

[0003] Through retrieval, the Chinese patent with the application number of "CN200810141290.6" discloses a carriage movable bottom plate lifting mechanism which can lift and fix the movable bottom plate in the carriage, comprising a movable bottom plate fixed on the four corner columns of the carriage body through four corner fixing devices, an oil cylinder installed between the longitudinal beams of the carriage frame under the lower layer bottom plate of the carriage body and along the front-rear direction, one end of the oil cylinder is fixed on the lower layer bottom plate framework, the other end of the oil cylinder is connected with a double pulley guide device arranged on the lower layer bottom plate framework, the double pulley guide device comprises a connecting rod connected with the piston rod, two pulleys installed on the two ends of the connecting rod, the double pulley guide device moves along the front-rear direction of the carriage body through the two pulleys at the two ends of the connecting rod, four steel wires are wound on the pulleys of the double pulley guide device, guide pulleys are installed on the columns of the front and rear walls under the bottom plate of the carriage body, and the four steel wires are connected with the four corners of the movable bottom plate through the guide pulleys, and the carriage movable bottom plate lifting mechanism has the advantages of simple and compact structure, convenient operation, convenient maintenance and long service life.

[0004] The above-mentioned carriage movable bottom plate lifting mechanism has the advantages of simple and compact structure, convenient operation, convenient maintenance, long service life and low cost, however, in the actual use process, it is found that the four steel wires of the four corners of the movable bottom plate cannot meet the needs, when a single steel wire is broken, the lower articles are directly damaged, and the stability is poor; and the movable bottom plate is suspended below, and is supported by the fixing device only, long-term use causes the movable bottom plate to be bent, the service life is short, and resources are wasted.

[0005] In summary, therefore, there is an urgent need for a carriage with a liftable platform to solve the above problems. Utility model content

[0006] In order to make up for the above shortcomings, the utility model provides a carriage with liftable platform for solving the problems that the existing carriage movable bottom plate lifting mechanism only relies on four steel wires of four corners of the movable bottom plate, cannot meet the needs, when single steel wire breaks, directly causes damage to the lower layer goods, has poor stability, and the movable bottom plate is suspended below, only relies on the fixed device support, long -term use leads to the movable bottom plate bending, service life is short, causes the waste of resources and other problems.

[0007] The utility model is realized as follows:

[0008] A carriage with liftable platform, including bottom plate, movable support plate, support rod and height adjusting assembly, the bottom plate is arranged at the bottom of the carriage, the bottom plate below fixed mounting support frame, the height adjusting assembly is installed on the support frame, one side of the height adjusting assembly is connected with the movable support plate, for adjusting the height of the movable support plate, the support rod is arranged below the movable support plate, for supporting the movable support plate.

[0009] The height adjusting assembly includes oil cylinder, sliding block, first steel wire, second steel wire and third steel wire, the center of support frame is provided with oil cylinder, one end of oil cylinder is fixedly connected on the support frame, the other end is fixedly connected with sliding block, the track is opened on the support frame, the sliding block is embedded in the track inside, the first steel wire, second steel wire and third steel wire are fixedly connected on the sliding block, the first steel wire, second steel wire and third steel wire are respectively arranged as two, with the length direction cross section symmetry distribution of support frame,

[0010] The side plate is fixedly installed above the bottom plate, the sleeve of array distribution is fixedly installed on the side plate, the support rod can be inserted in the sleeve, for supporting the movable support plate,

[0011] The first pulley, second pulley, third pulley, fourth pulley, fifth pulley, sixth pulley, seventh pulley, eighth pulley, ninth pulley and tenth pulley are fixedly installed on the support frame, the first steel wire is connected in the middle of the length direction of movable support plate in sequence through the first pulley, second pulley, third pulley, fourth pulley and eleventh pulley, the second steel wire is connected in one end of the length direction of movable support plate in sequence through the fifth pulley, sixth pulley, seventh pulley, eighth pulley and eleventh pulley, the third steel wire is connected in the other end away from second steel wire of movable support plate in sequence through ninth pulley, tenth pulley and eleventh pulley,

[0012] Eleventh pulleys are fixedly installed on the top of the side plates, and six of them are arranged at positions corresponding to the first, second and third steel wires connected with the movable support plate respectively.

[0013] The first and second pulleys are fixedly installed on the side walls in the width direction of the support frame, so that the first steel wire is bent by 180 degrees; the third pulley is fixedly installed on the middle side wall in the length direction of the support frame, so that the length direction of the first steel wire is turned to the width direction in the middle of the length direction of the support frame; and the fourth pulley is fixedly installed on the side wall in the height direction of the support frame, so that the first steel wire is turned from the width direction to the height direction of the support frame and is connected with the movable support plate through the eleventh pulley bent by 180 degrees.

[0014] The fifth and sixth pulleys are fixedly installed on the side walls in the width direction of the support frame, so that the second steel wire is bent by 180 degrees; the seventh pulley is fixedly installed on the side wall at one end in the length direction of the support frame, so that the length direction of the first steel wire is turned to the width direction at one end in the length direction of the support frame; and the eighth pulley is fixedly installed on the side wall in the height direction of the support frame, so that the first steel wire is turned from the width direction to the height direction of the support frame and is connected with the movable support plate through the eleventh pulley bent by 180 degrees.

[0015] The ninth pulley is fixedly installed on the side wall of the support frame away from the seventh pulley, so that the length direction of the first steel wire is turned to the width direction at one end of the support frame away from the seventh pulley; and the tenth pulley is fixedly installed on the side wall in the height direction of the support frame, so that the first steel wire is turned from the width direction to the height direction of the support frame and is connected with the movable support plate through the eleventh pulley bent by 180 degrees.

[0016] Preferably, the sleeve is fixedly installed on the side plate by welding.

[0017] The design principle of the utility model lies in that:

[0018] The oil cylinder is connected with the first, second and third steel wires through the sliding block; the middle of the length direction of the movable support plate is connected with the first steel wire, one end of the length direction of the movable support plate is connected with the second steel wire, and the other end of the movable support plate away from the second steel wire is connected with the third steel wire; so that the connection of the oil cylinder with six different points of the movable support plate is realized, and the lifting of the movable support plate can be controlled by the extension of the oil cylinder.

[0019] The side plate of the carriage is provided with a sleeve, and a supporting rod is inserted into the sleeve, in use, the movable supporting plate can be first lifted above the target height, and after the supporting rod is inserted into the sleeve at the appropriate height, the oil cylinder is released, so that the movable supporting plate is lowered above the supporting rod.

[0020] The beneficial effects of the present application relative to the prior art are:

[0021] 1. The vehicle compartment with a liftable platform disclosed by the present application is provided with the oil cylinder connected with the movable supporting plate through the sliding block, the first steel wire rope, the second steel wire rope and the third steel wire rope, and the direction of the sliding block is controlled by the track in the supporting frame; the first steel wire rope is connected with the middle part of the length direction of the movable supporting plate, the second steel wire rope is connected with one end of the length direction of the movable supporting plate, and the third steel wire rope is connected with the other end of the movable supporting plate away from the second steel wire rope; thus, the connection of the oil cylinder with six different points of the movable supporting plate is realized, the lifting of the movable supporting plate is flexibly controlled by the extension and contraction of the oil cylinder, the applicability is strong, the purpose of double-layer special transportation is realized, the tension of a single steel wire rope is reduced by the connection of the six different points, the service life is improved, and the breakage of a single steel wire rope will not cause the movable supporting plate to fall and damage the lower-layer articles.

[0022] 2. The vehicle compartment with a liftable platform disclosed by the present application is provided with the sleeve on the side plate of the carriage, and the supporting rod is inserted into the sleeve, in use, the movable supporting plate can be first lifted above the target height, and after the supporting rod is inserted into the sleeve at the appropriate height, the oil cylinder is released, so that the movable supporting plate is lowered above the supporting rod, the stability of the movable supporting plate is further ensured by the supporting force of the supporting rod and the tension of the first steel wire rope, the second steel wire rope and the third steel wire rope, the bending of the movable supporting plate is avoided, and the service life is prolonged. BRIEF DESCRIPTION OF DRAWINGS

[0023] In order to more clearly illustrate the technical scheme of the present application, the following will briefly introduce the drawings needed to be used in the embodiments, and it should be understood that the following drawings only show some embodiments of the present application, and should not be regarded as limiting the scope, and for those skilled in the art, other related drawings can also be obtained without creative labor.

[0024] Figure 1 It is a three-dimensional structure schematic view of the vehicle compartment with a liftable platform of the present application;

[0025] Figure 2 It is a three-dimensional structure schematic view of the supporting frame of the vehicle compartment with a liftable platform of the present application;

[0026] Figure 3 is a top view structural schematic diagram of the support frame of the carriage with the liftable platform of the utility model;

[0027] Figure 4 is Figure 3 is a partial enlarged structural schematic diagram of the upper A;

[0028] Figure 5 is a bottom view structural schematic diagram of the support frame of the carriage with the liftable platform of the utility model;

[0029] Figure 6 is Figure 1 is a partial enlarged structural schematic diagram of the upper B;

[0030] Figure 7 is a sectional view of the front view structural schematic diagram of the carriage with the liftable platform of the utility model.

[0031] In the figure: 1, support frame; 2, oil cylinder; 3, sliding block; 4, track; 5, first steel wire rope; 6, second steel wire rope; 7, third steel wire rope; 8, first pulley; 9, second pulley; 10, third pulley; 11, fourth pulley; 12, fifth pulley; 13, sixth pulley; 14, seventh pulley; 15, eighth pulley; 16, ninth pulley; 17, tenth pulley; 18, eleventh pulley; 19, side plate; 20, movable support plate; 21, sleeve; 22, bottom plate; 23, support rod. DETAILED DESCRIPTION

[0032] First of all, it should be pointed out that in the different described embodiments, the same components are provided with the same reference signs or the same component names, wherein the disclosure contained in the entire specification can be transferred to the same components with the same reference signs or the same component names in the meaning. The selected position description in the specification, for example, upper, lower, lateral and the like, also refers to the directly described and shown drawings and is transferred to the new position in the meaning when the position changes.

[0033] Example one:

[0034] Please refer to Figures 1-7 The utility model provides a technical scheme:

[0035] A carriage with liftable platform, including bottom plate 22, movable support plate 20, support rod 23 and height adjusting assembly, as Figures 1-2As shown, the bottom plate 22 is arranged at the bottom of the carriage, a support frame 1 is fixedly installed below the bottom plate 22, and the height adjusting assembly is installed on the support frame 1; one side of the height adjusting assembly is connected with the movable support plate 20, so as to adjust the height of the movable support plate 20; the support rod 23 is arranged below the movable support plate 20, so as to support the movable support plate 20.

[0036] As shown in the Figure 2 height adjusting assembly includes a cylinder 2, a sliding block 3, a first steel wire rope 5, a second steel wire rope 6 and a third steel wire rope 7; the center of the support frame 1 is provided with the cylinder 2, one end of the cylinder 2 is fixedly connected to the support frame 1, and the other end is fixedly connected with the sliding block 3; the support frame 1 is provided with a track 4, and the sliding block 3 is embedded in the track 4;

[0037] As shown in the Figure 3 the sliding block 3 is fixedly connected with the first steel wire rope 5, the second steel wire rope 6 and the third steel wire rope 7; the first steel wire rope 5, the second steel wire rope 6 and the third steel wire rope 7 are respectively arranged as two, and are symmetrically distributed in the cross section of the length direction of the support frame 1;

[0038] As shown in the Figure 7 the side plate 19 is fixedly installed above the bottom plate 22, the sleeve 21 is arranged in an array on the side plate 19, and the support rod 23 can be inserted into the sleeve 21 to support the movable support plate 20; during use, the movable support plate 20 can be lifted above the target height, the support rod 23 is inserted into the sleeve 21 at the appropriate height, and then the cylinder 2 is released, so that the movable support plate 20 is lowered above the support rod 23.

[0039] As shown in the Figure 1 the eleventh pulley 18 is fixedly installed at the top of the side plate 19, and there are six of them;

[0040] As shown in the Figure 3As shown, the support frame 1 is fixedly installed with a first pulley 8, a second pulley 9, a third pulley 10, a fourth pulley 11, a fifth pulley 12, a sixth pulley 13, a seventh pulley 14, an eighth pulley 15, a ninth pulley 16, and a tenth pulley 17; the first steel wire 5 is connected to the middle of the length direction of the movable support plate 20 through the first pulley 8, the second pulley 9, the third pulley 10, the fourth pulley 11, and an eleventh pulley 18 in sequence; the second steel wire 6 is connected to one end of the length direction of the movable support plate 20 through the fifth pulley 12, the sixth pulley 13, the seventh pulley 14, the eighth pulley 15, and the eleventh pulley 18 in sequence; and the third steel wire 7 is connected to the other end of the movable support plate 20 away from the second steel wire 6 through the ninth pulley 16, the tenth pulley 17, and the eleventh pulley 18 in sequence, so as to realize the connection of the oil cylinder 2 and the six different points of the movable support plate 20, flexibly control the lifting of the movable support plate 20 by the extension and retraction of the oil cylinder 2, have strong applicability, and achieve the purpose of double-layer special transportation; meanwhile, the connection of the six different points reduces the tension of the single steel wire, prolongs the service life, and the breakage of the single steel wire will not cause the falling of the movable support plate and damage to the lower-layer articles.

[0041] As shown in Figure 6 The eleventh pulley 18 corresponds to the positions where the movable support plate 20 is connected with the first steel wire 5, the second steel wire 6, and the third steel wire 7, respectively.

[0042] As shown in Figures 4-6 The first pulley 8 and the second pulley 9 are fixedly installed on the side wall in the width direction of the support frame 1, so that the first steel wire 5 is bent by 180°; the third pulley 10 is fixedly installed on the side wall in the middle of the length direction of the support frame 1, so that the first steel wire 5 changes the length direction to the width direction in the middle of the length direction of the support frame 1; and the fourth pulley 11 is fixedly installed on the side wall in the height direction of the support frame 1, so that the first steel wire 5 changes the width direction to the height direction from the support frame 1, and is bent by 180° through the eleventh pulley 18 to be connected with the movable support plate 20.

[0043] As shown in Figures 4-6 The fifth pulley 12 and the sixth pulley 13 are fixedly installed on the side wall in the width direction of the support frame 1, so that the second steel wire 6 is bent by 180°; the seventh pulley 14 is fixedly installed on the side wall at one end of the length direction of the support frame 1, so that the first steel wire 5 changes the length direction to the width direction at one end of the length direction of the support frame 1; and the eighth pulley 15 is fixedly installed on the side wall in the height direction of the support frame 1, so that the first steel wire 5 changes the width direction to the height direction from the support frame 1, and is bent by 180° through the eleventh pulley 18 to be connected with the movable support plate 20.

[0044] As Figure 5 shown, the ninth pulley 16 is fixedly installed on the side wall of the support frame 1 away from the seventh pulley 14, so that the first steel wire rope 5 turns from the length direction to the width direction at one end of the support frame 1 away from the seventh pulley 14; the tenth pulley 17 is fixedly installed on the side wall of the support frame 1 in the height direction, so that the first steel wire rope 5 turns from the width direction to the height direction of the support frame 1, and then is bent by 180° through the eleventh pulley 18 and connected with the movable support plate 20.

[0045] Preferably, the sleeve 21 is fixedly installed on the side plate 19 by welding.

[0046] It should be noted that, in this document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus. Furthermore, no element discussed in the specification is required for the practice of the present application unless specifically recited by the language "essential".

[0047] Although the embodiments of the present application have been shown and described, it is to be understood that for the purpose of the present application, the embodiments can be changed, modified, replaced and varied in many ways without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A carriage with a liftable platform, characterized in that: The vehicle comprises a bottom plate (22), a movable support plate (20), a support rod (23) and a height adjustment assembly; the bottom plate (22) is arranged at the bottom of the vehicle compartment, a support frame (1) is fixedly mounted below the bottom plate (22), and the height adjustment assembly is mounted on the support frame (1); one side of the height adjustment assembly is connected to the movable support plate (20) for adjusting the height of the movable support plate (20); the support rod (23) is arranged below the movable support plate (20) for supporting the movable support plate (20).

2. A carriage with a liftable platform according to claim 1, characterized in that: The height adjustment assembly comprises an oil cylinder (2), a slider (3), a first steel wire rope (5), a second steel wire rope (6) and a third steel wire rope (7); an oil cylinder (2) is provided at the center of the support frame (1), one end of the oil cylinder (2) is fixedly connected to the support frame (1), and the other end is fixedly connected to the slider (3); a track (4) is provided on the support frame (1), and the slider (3) is embedded in the track (4); the slider (3) is fixedly connected to the first steel wire rope (5), the second steel wire rope (6) and the third steel wire rope (7); the first steel wire rope (5), the second steel wire rope (6) and the third steel wire rope (7) are respectively provided in two pieces and are symmetrically distributed in a cross section in the length direction of the support frame (1).

3. The carriage with a liftable platform according to claim 2, characterized in that: A side plate (19) is fixedly mounted above the bottom plate (22), and an array of sleeves (21) are fixedly mounted on the side plate (19). The support rods (23) can be inserted into the sleeves (21) to support the movable support plate (20).

4. The carriage with a liftable platform according to claim 2, characterized in that: A first pulley (8), a second pulley (9), a third pulley (10), a fourth pulley (11), a fifth pulley (12), a sixth pulley (13), a seventh pulley (14), an eighth pulley (15), a ninth pulley (16) and a tenth pulley (17) are fixedly mounted on the support frame (1).

5. The carriage with a liftable platform according to claim 4, characterized in that: A side plate (19) is fixedly mounted above the bottom plate (22), and an eleventh pulley (18) is fixedly mounted on the top of the side plate (19), with six eleventh pulleys (18) being provided.

6. The carriage with a liftable platform according to claim 5, characterized in that: The first steel wire rope (5) is connected to the middle of the length direction of the movable support plate (20) through the first pulley (8), the second pulley (9), the third pulley (10), the fourth pulley (11) and the eleventh pulley (18) in sequence; the second steel wire rope (6) is connected to one end of the length direction of the movable support plate (20) through the fifth pulley (12), the sixth pulley (13), the seventh pulley (14), the eighth pulley (15) and the eleventh pulley (18) in sequence; the third steel wire rope (7) is connected to the other end of the movable support plate (20) away from the second steel wire rope (6) through the ninth pulley (16), the tenth pulley (17) and the eleventh pulley (18) in sequence.

7. The carriage with a liftable platform according to claim 6, characterized in that: The positions of the eleventh pulley (18) correspond to the positions where the movable support plate (20) is connected to the first steel wire rope (5), the second steel wire rope (6), and the third steel wire rope (7).

8. The carriage with a liftable platform according to claim 3, characterized in that: The sleeve (21) is fixedly mounted on the side plate (19) by welding.

Images