CN210457365U - Manual hydraulic vehicle special for stage - Google Patents
Manual hydraulic vehicle special for stage Download PDFInfo
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- CN210457365U CN210457365U CN201920934243.0U CN201920934243U CN210457365U CN 210457365 U CN210457365 U CN 210457365U CN 201920934243 U CN201920934243 U CN 201920934243U CN 210457365 U CN210457365 U CN 210457365U
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Abstract
The utility model relates to a dedicated manual hydraulic vehicle of stage, including manual hydraulic vehicle body, manual hydraulic vehicle body is equipped with two supporting wheels and two sets of bearing wheels, two the supporting wheel sets up respectively in the both sides of the hydraulic means of manual hydraulic vehicle body and two the supporting wheel through steering mechanism with the steering rocker transmission of manual hydraulic vehicle body is connected, two sets of the bearing wheel sets up respectively under two bearing support arms of manual hydraulic vehicle body, namely two supporting wheels and two sets of bearing wheels play the bearing effect simultaneously, and two supporting wheels still are used for turning to, that is to say, the utility model provides a manual hydraulic vehicle is four-point type support, when using it to carry stage property, goods etc. on the one hand, even if the gravity center such as stage property is inhomogeneous, can not take place the slope yet; on the other hand, even if props, cargos and the like are heavy, the weight of the props, cargos and the like can be dispersed to four points; based on the two points, the damage to the solid wood floor on the stage is greatly reduced.
Description
Technical Field
The utility model relates to a manual hydraulic pressure car field, in particular to dedicated manual hydraulic pressure car of stage.
Background
In cultural facilities such as theaters and the like in China, the common floor on the stage is made of a solid wood floor, such as a North American Oregon pine wood floor, an Russian Korean pine wood floor and the like, at present, a manual hydraulic vehicle is used for carrying heavier props, goods and the like on the stage, but because the current manual hydraulic vehicle is a three-point support (one steering wheel and two bearing wheels), on one hand, when the gravity centers of the props, the goods and the like are not uniformly distributed, the manual hydraulic vehicle is easy to incline or even turn over, so that the solid wood floor on the stage is damaged, and the performance effect is seriously influenced; on the other hand, when the props, goods and the like are heavy, the solid wood floor on the stage is easily damaged by serious indentation and the like due to the large weight distributed on each wheel, and the load of the solid wood floor is required in the national standard (GB/T19995.2-2005).
Therefore, how to realize the special manual hydraulic vehicle for the stage, which can greatly reduce the damage to the solid wood floor on the stage, is a technical problem to be solved urgently in the industry.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that to prior art not enough, provide a dedicated manual hydraulic pressure car of stage.
The utility model provides an above-mentioned technical problem's technical scheme as follows:
the special manual hydraulic vehicle for the stage comprises a manual hydraulic vehicle body and is characterized in that the manual hydraulic vehicle body is provided with two supporting wheels and two groups of bearing wheels, the two supporting wheels are respectively arranged on two sides of a hydraulic device of the manual hydraulic vehicle body and are in transmission connection with a steering rocker arm of the manual hydraulic vehicle body through a steering mechanism, and the two groups of bearing wheels are respectively arranged below the two bearing supporting arms of the manual hydraulic vehicle body.
The utility model has the advantages that: the two supporting wheels and two groups of bearing wheels are arranged on the prior manual hydraulic vehicle body, and the two supporting wheels are in transmission connection with a steering rocker arm of the manual hydraulic vehicle body through a steering mechanism, so that the two supporting wheels can play a role in bearing and steering at the same time; two groups of bearing wheels are respectively arranged under two bearing support arms of the manual hydraulic vehicle body to play a bearing role, namely, the manual hydraulic vehicle in the utility model is a four-point type support, when the manual hydraulic vehicle in the utility model is used for carrying props, goods and the like, on one hand, even if the gravity centers of the props and the like are unevenly distributed, the props and the like cannot be inclined; on the other hand, even if props, cargos and the like are heavy, the weight of the props, cargos and the like can be dispersed to four points; thereby greatly reducing the damage to the solid wood floor on the stage.
On the basis of the technical scheme, the utility model discloses can also do following improvement.
Furthermore, a set of bearing wheel includes three gyro wheel, the both sides at gyro wheel center are equipped with the roller bearing respectively, and is three the roller bearing of gyro wheel connects gradually on two spring steel plate groups that set up relatively, and the centre the roller bearing of gyro wheel is connected through two hydraulic stem that set up relatively under the bearing support arm.
The beneficial effect of adopting the further scheme is that: firstly, as one group of bearing wheels comprises three rollers, the weight distribution of props, goods and the like is further dispersed, so that the damage to the solid wood floor on the stage is further reduced; secondly, connect the roller bearing of three gyro wheel on spring steel plate group in proper order, on the one hand, spring steel plate group plays the cushioning effect, placing or carrying the stage property, goods etc., the rigid collision has been avoided producing between gyro wheel and the solid wood floor, thereby can not cause the damage to the solid wood floor, on the other hand, when two adjacent solid wood floor height nonconformities on the stage, when having the difference in height between two adjacent solid wood floors promptly, because the cushioning effect of spring steel plate group, the gyro wheel that makes spring steel plate group both ends can not be in same height, thereby played the effect of protection solid wood floor, make its kneck can not take place the damage.
And further, shaft sleeves used for connecting the rolling shafts are respectively arranged at two ends and in the middle of the lower surface of the spring steel plate group.
The beneficial effect of adopting the further scheme is that: the shaft sleeve is arranged in the middle and at two ends of the lower surface of the spring steel plate set, so that the distance between two rollers connected to two ends of the lower surface of the spring steel plate set is increased, and the damping effect of the spring steel plate set can be further enhanced.
Furthermore, the spring steel plate group is of an integrally formed structure or comprises a first spring steel plate and a second spring steel plate which are fixedly overlapped, the second spring steel plate is positioned in the middle of the lower surface of the spring steel plate, two ends of the first spring steel plate respectively extend out of two ends of the second spring steel plate to form a part, the lower surface of the part is fixedly provided with the shaft sleeve, and the lower surface of the second spring steel plate is fixedly provided with the shaft sleeve.
The beneficial effect of adopting the further scheme is that: when spring steel plate group is integrated into one piece, simple structure, it is with low costs, when spring steel plate group is including the fixed spring steel plate one of stack and spring steel plate two, when certain axle sleeve damage, can directly change the spring steel plate that corresponds can, easy operation, it is with low costs.
Further, the hydraulic stem includes hydraulic pressure bracing piece and is equipped with the protruding hydraulic pressure shrink pole along one, the hydraulic pressure bracing piece cover is established on the hydraulic pressure shrink pole, just the hydraulic pressure bracing piece is followed under hydraulic pressure or gravity drive hydraulic pressure shrink pole round trip movement, just be equipped with protruding edge two on the bracing piece, protruding edge two with the cover is equipped with damping spring between the protruding edge one.
The beneficial effect of adopting the further scheme is that: because hydraulic pressure bracing piece cover is established at hydraulic pressure shrink pole, works as the utility model provides a place or carry stage property, goods etc. on the manual hydraulic pressure car, the hydraulic pressure shrink pole partial contraction feed liquor pressure bracing piece to reach the shock attenuation effect, reduce the damage to solid wood floor on the stage, in addition, the protruding edge two of hydraulic pressure bracing piece and the protruding edge of hydraulic pressure shrink pole between one the cover be equipped with damping spring, make its shock attenuation effect further strengthen, thereby further reduced the damage to solid wood floor on the stage.
Further, the axial width of the supporting wheel is more than or equal to 150 mm.
The beneficial effect of adopting the further scheme is that: at present, the common width on the solid wood floor on the stage is 90mm, 130mm, and the axial width of the directive wheel of present manual hydraulic pressure car is 70mm, thereby make the bearing point concentrate on a certain solid wood floor very easily, and then surpass the bearing capacity on solid wood floor very easily, then make it produce the indentation, cause the damage, and the utility model discloses an axial width of the supporting wheel of manual hydraulic pressure car is more than or equal to 150mm, thereby makes the bearing point distribute on 2 to 3 solid wood floors, is difficult to surpass the bearing capacity on solid wood floor like this, has further reduced the damage to solid wood floor on the stage.
Further, the axial width of the roller is more than or equal to 150 mm.
The beneficial effect of adopting the further scheme is that: at present, the common width on the solid wood floor on the stage is 90mm, 130mm, and the axial width of the bearing wheel of present manual hydraulic pressure car is 70mm, thereby make the bearing point concentrate on a certain solid wood floor very easily, and then surpass the bearing capacity on solid wood floor very easily, then make it produce the indentation, cause the damage, and the utility model provides a the axial width of the gyro wheel of manual hydraulic pressure car is more than or equal to 150mm, thereby makes the bearing point distribute on 2 to 3 solid wood floors, is difficult to surpass the bearing capacity on solid wood floor like this, has further reduced the damage to solid wood floor on the stage.
Furthermore, the width of the bearing support arm is more than or equal to 300 mm.
The beneficial effect of adopting the further scheme is that: the width of the bearing support arm of present manual hydraulic pressure car is 210mm, and the utility model provides a width of the bearing support arm of manual hydraulic pressure car increases more than 300mm, through the width of increase bearing support arm, has increased the area of contact of bearing support arm with the tray to make it reach more stable effect when the transport.
Wherein, the tray is the common accessory of manual hydraulic pressure car, and the one side of tray is the plane usually, and the edge of another side is equipped with a plurality of support lower margins, forms between two adjacent lower margins and is used for bearing support arm male passageway, when using, can at first place stage property, goods etc. on the plane of tray, then will the utility model discloses in two passages of tray are inserted respectively to two bearing support arms of well manual hydraulic pressure car, rise bearing support arm through hydraulic pressure mechanism at last, carry again, wherein, the area of contact between tray and stage property, goods etc. increases, makes stage property, goods etc. more stable when the transport, is difficult to drop.
Furthermore, the steering mechanism comprises a recirculating ball type steering gear and a transmission rod, two ends of a rotating screw rod of the recirculating ball type steering gear are respectively provided with one transmission rod along the outward extending direction of the rotating screw rod, two supporting wheels are respectively and fixedly connected with the two transmission rods, and the steering rocker arm is fixedly connected with a sector gear of the recirculating ball type steering gear.
The beneficial effect of adopting the further scheme is that: because the sliding friction who rotates in the recirculating ball formula steering gear between screw rod and the steering nut changes the rolling friction that the resistance is less into, thereby makes the utility model discloses a manual hydraulic pressure car is more laborsaving when turning to.
Further, the manual hydraulic vehicle body is made of steel, and the supporting wheels and the rolling wheels are made of rubber.
The beneficial effect of adopting the further scheme is that: the hand-operated hydraulic vehicle body is made of steel, so that the strength of the hand-operated hydraulic vehicle body is enhanced, and the hand-operated hydraulic vehicle body is not easy to deform when carrying props, goods and the like; the steering wheel and the bearing wheel of the prior manual hydraulic vehicle are made of polyurethane, which is too hard, so that serious indentation and damage to a paint film of the solid wood floor are easily caused; on the other hand, the contact area between the solid wood floor and the supporting wheels and the rollers is increased, and the weight distribution of props, goods and the like is further dispersed, so that the damage to the solid wood floor on the stage is reduced.
Drawings
Fig. 1 is a schematic view of a stage-dedicated manual hydraulic vehicle according to the present invention;
FIG. 2 is a schematic view of the support wheel attached to the steering mechanism;
FIG. 3 is a schematic view of a recirculating ball diverter;
FIG. 4 is a schematic view of a hydraulic ram;
FIG. 5 is a schematic view of a spring steel plate pack;
FIG. 6 is a schematic connection diagram of the spring steel plate set, the hydraulic rod and the roller;
FIG. 7 is a schematic view of the connection of three rollers;
fig. 8 is a schematic view of the stage-dedicated manual hydraulic vehicle of the present invention, when the height difference occurs, the three rollers are not at the same height;
in the drawings, the components represented by the respective reference numerals are listed below:
1. a manual hydraulic vehicle body; 2. a support wheel; 3. a roller; 4. a roller; 5. a hydraulic device; 6. a steering rocker arm; 7. a load bearing arm; 8. a steering mechanism; 9. a recirculating ball diverter; 10. a sector gear; 11. a steel ball; 12. a steering nut; 13. rotating the screw; 14. a transmission rod; 15. a first spring steel plate; 16. a second spring steel plate; 17. a shaft sleeve; 18. a hydraulic retracting lever; 19. a first convex edge; 20. a hydraulic support rod; 21. a convex edge II; 22. a damping spring; 23. fixing a nut; 24. a roller shaft sleeve; 25. and a spring steel plate group.
The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.
Detailed Description
It should be understood that the description of the embodiments is merely for purposes of illustration and is not intended to limit the embodiments of the present invention.
Examples
As shown in fig. 1, the stage-dedicated manual hydraulic vehicle of this embodiment includes a manual hydraulic vehicle body 1, the manual hydraulic vehicle body 1 is provided with two support wheels 2 and two sets of bearing wheels, the two support wheels 2 are respectively disposed at two sides of a hydraulic device 5 of the manual hydraulic vehicle body 1, the two support wheels 2 are in transmission connection with a hydraulic device 6 of the manual hydraulic vehicle body 1 through a steering mechanism 8, the two sets of bearing wheels are respectively disposed under two bearing support arms 7 of the manual hydraulic vehicle body 1, wherein the steering mechanism 8 includes a recirculating ball-type steering gear 9 and a transmission rod 14, two ends of a rotating screw 13 of the recirculating ball-type steering gear 9 are respectively provided with a transmission rod 14 along an outward extending direction thereof, the two support wheels 2 are respectively fixedly connected with the two transmission rods 14, the hydraulic device 6 is fixedly connected with a sector gear 9 of the recirculating ball-type steering gear 9, the one set of bearing wheels includes three rollers 3, the two sides of the center of the roller 3 are respectively provided with a roller 4, the rollers 4 of the three rollers 3 are sequentially connected on two oppositely arranged spring steel plate groups 25, the roller 4 of the middle roller 3 is connected below the bearing support arm 7 through two oppositely arranged hydraulic rods, wherein the spring steel plate groups 25 comprise a first spring steel plate 15 and a second spring steel plate 16 which are fixedly overlapped, the second spring steel plate 16 is fixed in the middle of the lower surface of the first spring steel plate 15, two ends of the first spring steel plate 15 respectively extend out of two ends of the second spring steel plate 16 to form a part, a shaft sleeve 17 is fixed on the lower surface of the part, the shaft sleeve 17 is fixed on the lower surface of the second spring steel plate 16, the hydraulic rods comprise hydraulic support rods 20 and hydraulic contraction rods 18 provided with a first convex edge 19, the hydraulic support rods 20 are sleeved on the hydraulic contraction rods 18, and the hydraulic support rods 20 can move back and forth along the hydraulic, and a second convex edge 21 is arranged on the hydraulic support rod 20, and a damping spring 22 is sleeved between the second convex edge 21 and the first convex edge 19.
Wherein, the manual hydraulic vehicle body 1 of present manual hydraulic pressure can select the manual hydraulic pressure car of Nordic (NOBLIFT), follow its hydraulic means 5 and realize the lift of bearing arm 7 to carry out above-mentioned structural improvement on this basis.
Two supporting wheels 2 and two groups of bearing wheels are arranged on the prior manual hydraulic vehicle body 1, and the two supporting wheels 2 are in transmission connection with a hydraulic device 6 of the manual hydraulic vehicle body 1 through a steering mechanism 8, so that the two supporting wheels 2 can also play a steering role while bearing; two groups of bearing wheels are respectively arranged below two bearing support arms 7 of the manual hydraulic vehicle body 1 to play a bearing role, namely, the manual hydraulic vehicle in the embodiment is supported in four points, when the manual hydraulic vehicle in the embodiment is used for carrying props, goods and the like, on one hand, even if the gravity centers of the props and the like are not uniformly distributed, the props and the like cannot incline; on the other hand, even if props, cargos and the like are heavy, the weight of the props, cargos and the like can be dispersed to four points; based on the two points, the damage to the solid wood floor on the stage is greatly reduced.
As shown in fig. 2, two ends of the rotating screw 13 of the recirculating ball type steering gear 9 are respectively provided with a transmission rod 14 along the outward extending direction thereof, the two support wheels 2 are respectively and fixedly connected with the two transmission rods 14, and the hydraulic device 6 is fixedly connected with the sector gear 9 of the recirculating ball type steering gear 9, so that the manual hydraulic vehicle in the embodiment is more labor-saving in steering because the sliding friction between the rotating screw 13 and the steering nut 12 in the recirculating ball type steering gear 9 is converted into rolling friction with smaller resistance.
Wherein, 1) the fixed connection mode of rotating screw 13 and transfer line 14 can choose: a welding fixing mode and a threaded connection fixing mode, in detail, when the threaded connection fixing mode is selected, threads can be arranged on the rotary screw 13, and adaptive threaded holes are arranged in the extending direction of the transmission rod 14, or threaded holes are arranged on the rotary screw 13, and adaptive threads can be arranged at two ends of the transmission rod 14;
2) the connection mode of the supporting wheel 2 and the transmission rod 14 is common on the existing manual hydraulic vehicle, and the Nordic (NOBLIFT) manual hydraulic vehicle can be referred to, and is not described herein again;
3) the steering principle of the recirculating ball steering gear 9 is as follows: as shown in fig. 3, since the hydraulic device 6 is fixedly connected with the sector gear 9 of the recirculating ball-type steering gear 9, when the hydraulic device 6 rotates the steering screw, the force is transmitted to the steering nut 12 through the steel ball 11, so that the steering nut 12 reciprocates along the axial direction of the steering screw, thereby realizing the rotation, and in the process, as the steel ball 11 circularly and reciprocally rolls in the closed pipeline, the sliding friction between the steering nut 12 and the steering screw 13 is converted into rolling friction with smaller resistance, thereby enabling the manual hydraulic vehicle in the embodiment to save more labor during the steering.
As shown in fig. 5 to 7, the set of bearing wheels includes three support wheels 3, and the rollers 4 of the three support wheels 3 are sequentially connected to the spring steel plate set 25, and since the set of bearing wheels includes three support wheels 3, the weight distribution of props, goods and the like is further dispersed, so that the damage to the solid wood floor on the stage is further reduced; secondly, the rolling shafts 4 of the three supporting wheels 3 are sequentially connected to two oppositely arranged spring steel plate groups 25, on one hand, the spring steel plate groups 25 play a role in damping, and when properties, goods and the like are placed or carried, rigid collision between the supporting wheels 3 and the solid wood floor is avoided; on the other hand, as shown in fig. 8, when the heights of two adjacent solid wood floors on the stage are not consistent, that is, there is a height difference between the two adjacent solid wood floors, the supporting wheels 3 at the two ends of the spring steel plate group 25 may not be located at the same height due to the damping effect of the spring steel plate group 25, so as to protect the solid wood floors and prevent the joints thereof from being damaged.
Wherein, spring steel plate group 25 can select following structure:
1) as shown in fig. 5, the spring steel plate group 25 includes a first spring steel plate 15 and a second spring steel plate 16 which are fixedly overlapped, the second spring steel plate 16 is fixed in the middle of the lower surface of the first spring steel plate 15, two ends of the first spring steel plate 15 respectively extend out of two ends of the second spring steel plate 16 to form a part, a shaft sleeve 17 is fixed on the lower surface of the part, and the shaft sleeve 17 is fixed on the lower surface of the second spring steel plate 16, so that the spring steel plate group 25 has the advantages of simple structure, low cost and the like while ensuring that the damage to the solid wood floor on the stage is reduced;
the fixing mode of the second spring steel plate 16 and the first spring steel plate 15 can be a bolt connection mode and a welding mode, in detail, when the bolt connection mode is selected, a plurality of through holes are correspondingly formed in the second spring steel plate 16 and the first spring steel plate 15 one by one, the number of the through holes is 2, 3 and a plurality, and then the through holes penetrate through the adaptive screws and are fixed through nuts;
moreover, as shown in fig. 7, when being installed, the shaft sleeves 17 of the spring steel plate set 25 are firstly sleeved on the rolling shafts 4 of the three rolling wheels 3, the rolling wheels 3 at the two ends are directly fixed through the fixing nuts 23, the rolling shaft 4 of the middle rolling wheel 3 is further sleeved with the rolling shaft 4 shaft sleeve 24 of the hydraulic shrinkage rod 18 and then fixed through the fixing nuts 23, and the connection mode is common on the existing manual hydraulic vehicle, which can refer to Nordic (NOBLIFT) manual hydraulic vehicles, and is not described herein again.
2) The spring steel plate group 25 can be integrally formed, and three shaft sleeves 4 for connecting the rolling shafts 3 are sequentially arranged at two ends and the middle position of the lower surface of the spring steel plate group, so that the damage to the solid wood floor on the stage is reduced, and the spring steel plate group has the advantages of simple structure, low cost and the like;
3) based on the two spring steel plate sets 25, a beam can be arranged at each end of the spring steel plate set 25 for connecting the spring steel plate sets 25 which are oppositely arranged, so that the strength of the spring steel plate set is higher.
In addition, as shown in fig. 5 and 6, the first spring steel plate 15 and the second spring steel plate 16 are both of a straight structure, and a bent structure may be used, and when the spring steel plate group 25 is integrally formed, the straight structure and the bent structure may be used.
As shown in fig. 4 and fig. 6, the roller 4 of the middle supporting wheel 3 is connected under the bearing arm 7 through two oppositely disposed hydraulic rods, the hydraulic rods include a hydraulic support rod 20 and a hydraulic telescopic rod 18 with a convex edge one 19, the hydraulic support rod 20 is sleeved on the hydraulic telescopic rod 18, and the hydraulic support rod 20 moves back and forth along the hydraulic telescopic rod 18 under the driving of hydraulic pressure or/and gravity, and the hydraulic support rod 20 is provided with a convex edge two 21, a damping spring 22 is sleeved between the convex edge two 21 and the convex edge one 19, because the hydraulic support rod 20 is sleeved on the hydraulic telescopic rod 18, when props, goods and the like are placed or carried on the manual hydraulic vehicle in the utility model, the hydraulic telescopic rod 18 is partially retracted into the hydraulic support rod 20, thereby achieving the damping effect and reducing the damage to the solid wood floor on the stage, in addition, a damping spring 22 is sleeved between the convex edge two 21 of the hydraulic support rod 20 and the convex edge one 19 of the hydraulic telescopic rod 18, the damping effect is further enhanced, and the damage to the solid wood floor on the stage is further reduced.
The arrangement mode of the convex edge II 21 can be selected from the following modes:
1) as shown in fig. 4, an annular sleeve is sleeved on the hydraulic support rod 20, an annular sleeve through hole is formed in the annular sleeve, a screw hole matched with the annular sleeve is formed in the hydraulic support rod 20, and then the annular sleeve is fixed on the hydraulic support rod 20 by a fixing screw, so that a second convex edge 21 is formed;
2) the annular sleeve and the hydraulic support rod 20 are directly welded and fixed, so that the fixing effect is good;
3) the hydraulic support rod 20 and the second convex edge 21 are integrally formed, that is, when the hydraulic support rod 20 is manufactured, the second convex edge 21 is directly designed and manufactured;
the three ways for providing the first protruding edge 19 on the retracting rod of the hydraulic retracting rod 18 can be referred to above, and are not described herein.
In addition, the connection mode of the hydraulic rod and the bearing arm 7 is common on the existing manual hydraulic vehicle, and the Nordic (NOBLIFT) manual hydraulic vehicle can be referred to, which is not described herein again.
The axial width of the supporting wheel 2 is larger than or equal to 150mm, the axial width of the supporting wheel 3 can be selected to be 150mm, 180mm, 200mm and the like, the axial width of the supporting wheel 3 is larger than or equal to 150mm, the axial width of the supporting wheel can be selected to be 150mm, 180mm, 200mm and the like, the common width of the solid wood floor on the stage is 90mm and 130mm at present, the axial width of the steering wheel of the manual hydraulic vehicle is 70mm at present, so that bearing points are easily concentrated on a certain solid wood floor, the bearing capacity of the solid wood floor is easily exceeded, then, indentations are generated, and damage is caused, and the axial width of the supporting wheel 2 and the axial width of the supporting wheel 3 of the manual hydraulic vehicle in the embodiment are larger than or equal to 150mm, so that the bearing points are distributed on 2 to 3 solid wood floors, the bearing capacity of the solid wood floor is not easily exceeded, and.
The width of the bearing arm 7 is more than or equal to 300mm, 350mm, 400mm and the like can be selected, the width of the bearing arm 7 of the existing manual hydraulic vehicle is 210mm, the width of the bearing arm 7 of the manual hydraulic vehicle in the embodiment is increased to be more than 300mm, and the contact area between the bearing arm 7 and the tray is increased by increasing the width of the bearing plate, so that the bearing arm 7 can achieve a more stable effect during carrying.
Wherein, the tray is the common accessory of manual hydraulic pressure car, and the one side of tray is the plane usually, and the edge of another side is equipped with a plurality of support feet, forms between two adjacent feet to be used for bearing support arm 7 male passageway, when using, can at first place stage property, goods etc. on the plane of tray, then will the utility model discloses in two bearing support arm 7 of manual hydraulic pressure car insert two passageways of tray respectively, rise bearing support arm 7 at last, carry again, wherein, the area of contact between tray and stage property, goods etc. increases, makes stage property, goods etc. more stable when the transport, is difficult to drop.
Moreover, supporting wheel 2 and supporting wheel 3 in this embodiment are made by rubber, the material of directive wheel and bearing wheel of present manual hydraulic pressure car is polyurethane, its material is harder, cause serious indentation and damage to the paint film of solid wood floor easily to solid wood floor, and supporting wheel 2 and supporting wheel 3 in this embodiment are made by rubber material, on the one hand, because be soft contact between rubber and the solid wood floor, avoided taking place the rigidity striking on the solid wood floor and kneck, on the other hand, solid wood floor and supporting wheel 2, the area of contact between supporting wheel 3 has been increased, prop has further dispersed, the weight distribution of goods etc., thereby the damage to solid wood floor on the stage has been reduced.
In addition, the hand-operated hydraulic vehicle body 1 is made of steel, so that the strength is enhanced, and deformation is not easily caused when properties, goods and the like are carried.
In the embodiment, two supporting wheels 2 and two groups of bearing wheels are arranged on the conventional manual hydraulic vehicle body 1, and the two supporting wheels 2 are in transmission connection with the hydraulic device 6 of the manual hydraulic vehicle body 1 through the steering mechanism 8, so that the two supporting wheels 2 can also perform a steering function while bearing; two groups of bearing wheels are respectively arranged under two bearing support arms 7 of the manual hydraulic vehicle body 1 to play a bearing role, namely, the manual hydraulic vehicle in the utility model is a four-point type support, when the manual hydraulic vehicle is used for carrying props, goods and the like, on one hand, even if the gravity centers of the props and the like are unevenly distributed, the props and the like cannot be inclined; on the other hand, even if props, cargos and the like are heavy, the weight of the props, cargos and the like can be dispersed to four points; thereby greatly reducing the damage to the solid wood floor on the stage.
The above is only the preferred embodiment of the present invention, and not the scope of the present invention, all the equivalent structural changes made by the contents of the specification and the drawings, or the direct or indirect application in other related technical fields are included in the patent protection scope of the present invention.
Claims (10)
1. The special manual hydraulic vehicle for the stage comprises a manual hydraulic vehicle body and is characterized in that the manual hydraulic vehicle body is provided with two supporting wheels and two groups of bearing wheels, the two supporting wheels are respectively arranged on two sides of a hydraulic device of the manual hydraulic vehicle body and are in transmission connection with a steering rocker arm of the manual hydraulic vehicle body through a steering mechanism, and the two groups of bearing wheels are respectively arranged below the two bearing supporting arms of the manual hydraulic vehicle body.
2. A stage-dedicated manual hydraulic vehicle as claimed in claim 1, wherein the bearing wheels comprise three rollers, the rollers are respectively disposed at two sides of the center of the roller, the rollers of the three rollers are sequentially connected to two oppositely disposed spring steel plate sets, and the roller of the middle roller is connected below the bearing support arm through two oppositely disposed hydraulic rods.
3. The stage-dedicated manual hydraulic vehicle as claimed in claim 2, wherein bushings for connecting the rollers are respectively provided at two ends and in the middle of the lower surface of the spring steel plate set.
4. The stage-dedicated manual hydraulic vehicle as claimed in claim 3, wherein the spring steel plate set is of an integral structure or comprises a first spring steel plate and a second spring steel plate which are fixedly stacked, the second spring steel plate is located in the middle of a lower surface of the spring steel plate, two ends of the first spring steel plate respectively extend out of two ends of the second spring steel plate, the shaft sleeves are fixed on the lower surface of the part, and the shaft sleeves are fixed on the lower surface of the second spring steel plate.
5. The stage-dedicated manual hydraulic vehicle according to any one of claims 2 to 4, wherein the hydraulic rod comprises a hydraulic support rod and a hydraulic contraction rod provided with a first convex edge, the hydraulic support rod is sleeved on the hydraulic contraction rod, the hydraulic support rod is driven by hydraulic pressure or/and gravity to move back and forth along the hydraulic contraction rod, a second convex edge is arranged on the support rod, and a damping spring is sleeved between the second convex edge and the first convex edge.
6. The stage-specific manual hydraulic vehicle as set forth in claim 5, wherein the axial width of the support wheel is not less than 150 mm.
7. The stage-specific manual hydraulic vehicle as set forth in claim 6, wherein the axial width of the roller is 150mm or more.
8. The stage-specific manual hydraulic vehicle as set forth in claim 7, wherein the width of the load-bearing arm is not less than 300 mm.
9. The stage-specific manual hydraulic vehicle according to any one of claims 2 to 4 and 6 to 8, wherein the steering mechanism comprises a recirculating ball steering gear and a transmission rod, wherein one transmission rod is arranged at each end of a rotating screw rod of the recirculating ball steering gear along the outward extension direction of the rotating screw rod, two support wheels are fixedly connected with the two transmission rods respectively, and the steering rocker arm is fixedly connected with a sector gear of the recirculating ball steering gear.
10. The stage-specific manual hydraulic vehicle according to claim 9, wherein the manual hydraulic vehicle body is made of steel, and the support wheels and the rollers are made of rubber.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920934243.0U CN210457365U (en) | 2019-06-20 | 2019-06-20 | Manual hydraulic vehicle special for stage |
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| CN201920934243.0U CN210457365U (en) | 2019-06-20 | 2019-06-20 | Manual hydraulic vehicle special for stage |
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| CN210457365U true CN210457365U (en) | 2020-05-05 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113371640A (en) * | 2021-08-12 | 2021-09-10 | 山东山宇重工机械有限公司 | Multifunctional small-sized hydraulic pallet truck |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113371640A (en) * | 2021-08-12 | 2021-09-10 | 山东山宇重工机械有限公司 | Multifunctional small-sized hydraulic pallet truck |
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Address after: Room 1805, Huarong Times Building, No. 3880 Jiangnan Avenue, Binjiang District, Hangzhou City, Zhejiang Province, 310057 Patentee after: Hangzhou Dasen Sports Culture Development Co.,Ltd. Address before: 310000 Room 1805, Huarong Times Building, 3880 Jiangnan Avenue, Binjiang District, Hangzhou City, Zhejiang Province Patentee before: HANGZHOU DASEN SPORTS FACILITIES ENGINEERING Co.,Ltd. |
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