CN111792573A

CN111792573A - Piano conveyor

Info

Publication number: CN111792573A
Application number: CN202010687542.6A
Authority: CN
Inventors: 张晓轩; 曹鹏
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-07-16
Filing date: 2020-07-16
Publication date: 2020-10-20

Abstract

The invention provides a piano conveying device, and relates to the technical field of piano conveying. The hydraulic forklift comprises a manual hydraulic forklift body, wherein the manual hydraulic forklift body comprises two parallel forks, shock absorption assemblies are arranged on the upper sides of the two forks, adjusting blocks matched with the shock absorption assemblies in a shock absorption mode are arranged on the upper sides of the shock absorption assemblies, and a plurality of binding assemblies are arranged on the adjusting blocks. The invention solves the problem of high carrying difficulty of the existing piano.

Description

Piano conveyor

Technical Field

The invention relates to the technical field of piano conveying, in particular to a piano conveying device.

Background

Piano is well known for its "king of musical instruments" and is distinguished by a broad range of sound and rich sound levels. Pianos are the most complex and powerful instruments; it is composed of three systems of sound source, resonance and support. When a pianist talks about a piano structure, the pianist generally divides the piano structure into six parts, namely, a string, a soundboard, a support, a string striking machine, a pedal device and a shell; the piano manufacturers are used to divide the piano into four parts, namely a tension string component (hack), a keyboard machine (including a string striking machine), a pedal machine and a shell.

The piano is a musical instrument with a complex structure, and is heavy, wherein the weight of an upright piano is generally 200 to 240 kilograms, and the weight of a horizontal piano is generally 290 to 490 kilograms; and are composed of many very delicate components that are susceptible to impact or damage during handling.

In prior art, the piano is generally carried by many people, and the problem that the degree of difficulty is big, waste time and energy exists in artifical transport.

In summary, we propose a piano transport device to solve the above problems.

Disclosure of Invention

The invention aims to provide a piano conveying device, which solves the problem that the existing piano is difficult to convey.

The embodiment of the invention is realized by the following steps:

the utility model provides a piano conveyor, includes manual hydraulic fork truck body, above-mentioned manual hydraulic fork truck body includes two forks that are parallel to each other, and the upside of two above-mentioned forks is equipped with damper, and above-mentioned damper's upside is equipped with rather than shock attenuation complex regulating block, is equipped with a plurality of subassemblies of binding on the above-mentioned regulating block.

In some embodiments of the present invention, the adjusting plate is telescopically engaged with the adjusting block along a front side and a rear side of the adjusting block horizontally perpendicular to the axis of the fork, and a plurality of binding assemblies are arranged on a side of the adjusting plate away from the adjusting block.

In some embodiments of the present invention, the binding assembly is slidably engaged with the adjusting plate, the binding assembly is a hoop, the adjusting plate is provided with a first sliding slot, and the hoop is provided with a first sliding block slidably engaged with the first sliding slot.

In some embodiments of the present invention, two adjusting plates are disposed on a front side of the adjusting block, two adjusting plates are disposed on a rear side of the adjusting block, and the two adjusting plates on the front side and the rear side of the adjusting block are opposite to each other.

In some embodiments of the present invention, a bidirectional hydraulic telescopic rod is disposed between the front and rear opposite adjusting plates, and two movable ends of the bidirectional hydraulic telescopic rod are respectively connected to the two adjusting plates.

In some embodiments of the present invention, four of the adjusting plates are provided with independent driving mechanisms, each of the driving mechanisms includes a driving motor, an output shaft of each of the driving motors is connected with a transmission gear, and a lower side of each of the adjusting plates is provided with a straight tooth groove matched with the transmission gear.

In some embodiments of the present invention, the damping assembly includes a damping box, a damping spring is disposed in the damping box, a damping plate is disposed on an upper side of the damping spring, and the upper side of the damping plate is connected to a lower side of the adjusting block.

In some embodiments of the present invention, the upper side of the fork is provided with a second sliding groove along the axial direction thereof, two fork forks are provided with the second sliding grooves, and the lower side of the damper box is provided with two second sliding blocks, wherein the two second sliding blocks are in corresponding sliding fit with the two second sliding grooves.

In some embodiments of the present invention, the manual hydraulic forklift body includes an operating panel, one end of the second sliding chute, which is far away from the operating panel, penetrates through a side wall of the fork, an adjusting post is disposed on the second sliding chute, a third slider slidably engaged with the second sliding chute is disposed on a lower side of the adjusting post, an external thread is disposed on the adjusting post, and a lock nut engaged with the external thread is sleeved on the adjusting post.

In some embodiments of the invention, a lifting device is detachably arranged on the upper side of the adjusting block, the lifting device comprises a lifting box, a lifting frame is arranged in the lifting box, a force transmission plate is arranged on the upper side of the lifting frame, and a protection plate is arranged on the upper side of the force transmission plate.

The embodiment of the invention at least has the following advantages or beneficial effects:

The use method of the invention comprises the following steps: the manual hydraulic forklift body is a manual hydraulic forklift, and the manual hydraulic forklift is also called a dual-purpose vehicle for manual lifting, loading and unloading and short-distance transportation, and does not generate sparks and electromagnetic fields. It is especially suitable for loading and unloading automobile and loading and unloading transportation of inflammable, explosive and fire-forbidden articles in workshop, warehouse, dock, station, goods yard, etc. The product has the characteristics of balanced lifting, flexible rotation, convenient operation and the like. The manual hydraulic forklift is an existing device, the working principle is not described in detail, a piano is generally provided with a plurality of legs, the piano is called piano legs for short, the piano is provided with four piano legs for example, the manual hydraulic forklift is provided with at least four binding assemblies for example, a manual hydraulic forklift body is positioned on the lower side of the piano, the four binding assemblies are correspondingly fixed on the four piano legs one by one, the manual hydraulic forklift body is adjusted, a fork of the manual hydraulic forklift body drives the piano to ascend, and the piano is pulled after being suspended in the air, so that the purpose of transporting the piano is achieved.

The invention has the following effects: through the combination of the manual hydraulic forklift body and the binding assembly, the device suitable for transporting the piano is designed, the mechanical transportation of the piano is realized, the acting force of the piano transporting device is applied to the piano legs, the piano legs are stable in structure, and the piano cannot be damaged. The efficiency of piano transport is improved, avoided artifical transport to have the degree of difficulty big, waste time and energy the problem. Manual hydraulic pressure fork truck body belongs to current device, and direct purchase returns carries out the improved design, designs a device that is applicable to the piano transport, has the practicality. Damping assembly's design can reduce the piano and the regulating block and constitute the interaction force between whole and the manual hydraulic forklift body, has the guard action to the piano.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic structural view of a piano transporting device according to an embodiment of the present invention;

FIG. 2 is a cross-sectional view in a top view of the adjustment block of FIG. 1 with a drive motor disposed therein;

FIG. 3 is a sectional view in a top view of the adjusting block of FIG. 1 with a bi-directional hydraulic telescoping rod disposed therein;

FIG. 4 is a schematic structural view of the shock assembly of FIG. 1;

FIG. 5 is a schematic structural diagram of a lifting device according to an embodiment of the present invention;

FIG. 6 is a rear view of FIG. 2;

FIG. 7 is a top view of the adjustment block of FIG. 1;

FIG. 8 is a schematic structural diagram of a hoop according to an embodiment of the present invention;

FIG. 9 is a schematic structural diagram of an adjusting column according to an embodiment of the present invention.

Icon: 1-pallet fork, 2-second chute, 3-shock absorbing box, 4-adjusting block, 5-hoop, 6-adjusting plate, 7-lifting box, 8-force transmission plate, 9-protecting plate, 10-connecting seat, 11-manual hydraulic forklift body, 12-operating panel, 13-notch, 14-first chute, 15-driving motor, 16-transmission gear, 17-straight tooth groove, 18-telescopic groove, 19-storage battery, 20-cover plate, 21-bidirectional hydraulic telescopic rod, 22-first slider, 23-flexible protecting pad, 24-locking nut, 25-adjusting column, 26-third slider, 27-slide rail, 28-groove, 29-connecting block, 30-lifting frame, 31-shock absorbing plate, 32-spring, 33-second slider.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the embodiments of the present invention, it should be noted that, if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or the orientations or positional relationships that the products of the present invention are usually placed in when used, the orientations or positional relationships are only used for convenience of describing the present invention and simplifying the description, but the terms do not indicate or imply that the devices or elements indicated must have specific orientations, be constructed in specific orientations, and operate, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not require that the components be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the embodiments of the present invention, "a plurality" represents at least 2.

In the description of the embodiments of the present invention, it should be further noted that unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Examples

Referring to fig. 1, the present embodiment provides a transporting device for pianos, which solves the problem of difficulty in transporting the conventional pianos.

The utility model provides a piano conveyor, includes manual hydraulic fork truck body 11, above-mentioned manual hydraulic fork truck body 11 includes two forks 1 that are parallel to each other, and the upside of two above-mentioned forks 1 is equipped with damper assembly, and above-mentioned damper assembly's upside is equipped with rather than shock attenuation complex regulating block 4, is equipped with a plurality of subassemblies of binding on above-mentioned regulating block 4.

The use method of the invention comprises the following steps: the hand-operated hydraulic forklift body 11 is a hand-operated hydraulic forklift, and the hand-operated hydraulic forklift is also called a hand-operated lifting loading and unloading and short-distance transportation dual-purpose vehicle, and does not generate sparks and electromagnetic fields. It is especially suitable for loading and unloading automobile and loading and unloading transportation of inflammable, explosive and fire-forbidden articles in workshop, warehouse, dock, station, goods yard, etc. The product has the characteristics of balanced lifting, flexible rotation, convenient operation and the like. The manual hydraulic forklift is an existing device, the working principle is not described in detail, a piano is generally provided with a plurality of legs, the piano is called piano legs for short, the piano is provided with four piano legs for example, the manual hydraulic forklift is provided with at least four binding assemblies for example, a manual hydraulic forklift body 11 is positioned at the lower side of the piano, the four binding assemblies are correspondingly fixed on the four piano legs one by one, the manual hydraulic forklift body 11 is adjusted, a fork 1 of the manual hydraulic forklift body 11 drives the piano to ascend, and the manual hydraulic forklift body 11 is pulled after the piano is suspended in the air, so that the purpose of transporting the piano is achieved.

The invention has the following effects: through the combination of the manual hydraulic forklift body 11 and the binding assembly, the device suitable for transporting the piano is designed, the mechanical transportation of the piano is realized, the acting force of the piano transporting device is applied to the piano legs, the piano legs are stable in structure, and the piano cannot be damaged. The efficiency of piano transport is improved, avoided artifical transport to have the degree of difficulty big, waste time and energy the problem. Manual hydraulic pressure fork truck body 11 belongs to current device, and direct purchase returns and carries out the improved design, designs a device that is applicable to the piano transport, has the practicality. Damping assembly's design can reduce the piano and the regulating block 4 and constitute whole and manual hydraulic forklift body 11 between the interact power, has the guard action to the piano.

Referring to fig. 1 and 8, in some embodiments of the present invention, adjusting plates 6 are respectively disposed at front and rear sides of the adjusting block 4 along a direction horizontally perpendicular to an axis of the fork 1, and a plurality of binding assemblies are disposed at a side of the adjusting plate 6 away from the adjusting block 4.

In the embodiment, the front side and the rear side of the adjusting plate 6 are both provided with two binding assemblies, the adjusting block 4 is provided with the telescopic groove 18, the adjusting plate 6 is in sliding telescopic fit with the telescopic groove 18, when the piano is not used, the adjusting plate 6 is contracted into the telescopic groove 18, the space occupancy rate of the adjusting plate 6 is reduced, when the piano is used, the distance between one end of the adjusting plate 6, provided with the binding assemblies, and the adjusting block 4 can be adjusted, so that the distance between the binding assemblies and the piano legs is further achieved, and the piano is suitable for pianos with various sizes (the larger the piano is, the larger the distance between the piano legs is). The telescopic slot 18 is provided with a slide rail 27, and the adjusting plate 6 is provided with a notch 13 matched with the slide rail 27, so that the adjusting plate 6 can slide directionally.

In some embodiments of the present invention, the binding assembly is slidably engaged with the adjusting plate 6, the binding assembly is a hoop 5, the adjusting plate 6 is provided with a first sliding slot 14, and the hoop 5 is provided with a first sliding block 22 slidably engaged with the first sliding slot 14.

In the above embodiment, the cross section of the first sliding groove 14 is T-shaped, the cross section of the first slider 22 is T-shaped, the bottom of the longitudinal portion of the T-shaped first slider 22 is connected with the hoop 5, when the first slider 22 is matched with the first sliding groove 14, the first slider 22 cannot fall off from the first sliding groove 14, so that the stable connection between the adjusting plate 6 and the hoop 5 is realized, the hoop 5 can slide along the adjusting plate 6, and the distance between the two hoops 5 on the same side is adjusted to adapt to pianos of various specifications, pianos of different specifications, and different distances between piano legs, so that the invention is more flexible to use, and the application range of the invention is increased.

The anchor ear 5 is a member which is made of one material and is used for holding or hooping another material, and belongs to the fastener. Learn by life general knowledge, the piano leg generally adopts timber to make, and staple bolt 5 generally adopts the metal to make, and when the effort between staple bolt 5 and the piano leg is great, can cause the damage of piano leg, seriously reduces the transportation effect of piano. Add flexible protection pad 23 between staple bolt 5 and piano leg, flexible protection pad 23 has the guard action to the piano leg, has avoided in the piano transportation, and staple bolt 5 is to the destruction of piano leg.

In some embodiments of the present invention, two adjusting plates 6 are disposed at the front side of the adjusting block 4, two adjusting plates 6 are disposed at the rear side of the adjusting block 4, and the two adjusting plates 6 at the front side and the rear side of the adjusting block 4 are opposite to each other.

In the above-mentioned embodiment, all be equipped with two staple bolts 5 on two regulating plates 6 of regulating block 4 homonymy, the lower part of piano leg is cliied to two staple bolts 5 on the regulating plate 6 of regulating block 4 lower part, the upper portion of piano leg is cliied to two staple bolts 5 on regulating plate 6 upper portion, two regulating plates 6 of regulating block 4 homonymy play the supporting role to the piano, the load of single regulating plate 6 has been reduced, and then the load of single staple bolt 5 has been reduced, under the condition that reduces regulating plate 6 and staple bolt 5 load, can increase regulating plate 6 and staple bolt 5's life.

Referring to fig. 1 and 3, in some embodiments of the present invention, a bidirectional hydraulic telescopic rod 21 is disposed between the front and rear opposite adjusting plates 6 of the adjusting plate 6, and two movable ends of the bidirectional hydraulic telescopic rod 21 are respectively connected to the two adjusting plates 6.

In the above embodiment, the two-way hydraulic telescopic rod 21 includes two movable ends, starts the two-way hydraulic telescopic rod, and the two movable ends of the two-way hydraulic telescopic rod 21 drive the two adjusting plates 6 to move towards the direction of leaving, so as to realize the same power device (the two-way hydraulic telescopic rod 21), and the two adjusting plates move simultaneously, so as to realize the positioning between the adjusting plates 6 and the piano legs.

Referring to fig. 1, 2 and 6, in some embodiments of the present invention, four of the adjusting plates 6 are provided with independent driving mechanisms, each of the driving mechanisms includes a driving motor 15, an output shaft of the driving motor is connected to a transmission gear 16, and a straight tooth groove 17 matched with the transmission gear 16 is provided at a lower side of the adjusting plate 6.

In the above embodiment, the storage battery 19 is arranged in the adjusting block 4, the four driving motors 15 are all connected with the storage battery 19, the cover plate 20 is detachably arranged on the outer side of the adjusting block 4, the storage battery 19 can be taken out when the cover plate 20 is opened, maintenance and overhaul of the storage battery 19 are performed, the problem that the driving mechanism is out of work when the storage battery 19 is insufficient is solved, and the cover plate 20 is provided with the handle, so that the cover plate 20 can be conveniently detached. When the battery 19 is connected to the four driving motors 15, the four driving motors 15 are provided with independent switches, which is a conventional technical problem and will not be described in detail herein. The power supply of a single driving motor 15 is switched on, the storage battery 19 supplies power to the driving motor 15, the driving motor 15 drives the transmission gear 16 to rotate, and the transmission gear 16 drives the adjusting plate 6 to stretch and retract through meshing with the straight tooth groove 17 on the adjusting plate 6. The four adjusting plates 6 are independently controlled, so that the flexibility of the invention is improved.

Referring to fig. 1, 4 and 9, in some embodiments of the present invention, the damping assembly includes a damping box 3, a damping spring 32 is disposed in the damping box 3, a damping plate 31 is disposed on an upper side of the damping spring 32, and an upper side of the damping plate 31 is connected to a lower side of the adjusting block 4.

In the above embodiment, the damping plate 31 is arranged in the damping box 3, the opening is arranged on the upper side of the damping box 3, the caliber of the opening is smaller than that of the damping plate 31, so that the damping plate 31 cannot fall off from the damping box 3, the adjusting block 4 penetrates through the opening and is connected with the damping plate 31, after the piano is installed on the manual hydraulic forklift, when the piano passes through a concave and uneven road surface, the gravity of the piano acts on the adjusting plate 6, the adjusting plate 6 acts on the adjusting block 4, the adjusting block 4 acts on the damping plate 31, and the damping plate 31 acts on the spring 32, so that the acting force between the whole piano and the adjusting block 4 and the manual hydraulic forklift body 11 is reduced, the purpose of transporting and damping the piano is achieved, and the manual hydraulic forklift has a protection effect on the piano.

In some embodiments of the present invention, the upper side of the fork 1 is provided with a second sliding groove 2 along the axial direction thereof, two of the fork 1 are provided with the second sliding grooves 2, the lower side of the damper box 3 is provided with two second sliding blocks 33, and the two second sliding blocks 33 are correspondingly and slidably engaged with the two second sliding grooves 2.

In the above embodiment, one end of the first chute 14 penetrates through the movable end of the fork 1 to realize the detachable connection of the shock absorption box 3 and the fork 1, when the invention is not used, the shock absorption assembly and the adjusting block 4 can be detached, only the manual hydraulic forklift body 11 remains, and the manual hydraulic forklift body 11 can be used for conveying other goods or devices, so that the application range of the invention is expanded. The section of the second sliding chute 2 is T-shaped, the section of the second sliding block 33 is T-shaped, the bottom of the longitudinal part of the T-shaped second sliding block 33 is connected with the damping box 3, and when the second sliding block 33 is matched with the second sliding chute 2, the second sliding block 33 can not fall off from the second sliding chute 2.

In some embodiments of the present invention, the manual hydraulic forklift body 11 includes an operating panel 12, an end of the second chute 2 away from the operating panel 12 penetrates through a side wall of the pallet fork 1, an adjusting post 25 is disposed on the second chute 2, a third slider 26 slidably engaged with the second chute 2 is disposed under the adjusting post 25, an external thread is disposed on the adjusting post 25, and a lock nut 24 engaged with the external thread is sleeved on the adjusting post 25.

In the above embodiment, after the shock absorbing assembly and the adjusting block 4 are mounted on the fork 1, the shock absorbing box 3 is connected to the operating panel 12, the adjusting post 25 is mounted at the opening end of the second sliding groove 2, the third sliding block 26 is matched with the second sliding groove 2, and when the adjusting post 25 is connected to the shock absorbing box 3, the lock nut 24 is adjusted and locked, so as to fix the shock absorbing box 3.

Referring to fig. 1, 5 and 7, in some embodiments of the present invention, a lifting device is detachably disposed on an upper side of the adjusting block 4, the lifting device includes a lifting box 7, a lifting frame 30 is disposed in the lifting box 7, a force transmission plate 8 is disposed on an upper side of the lifting frame 30, and a protection plate 9 is disposed on an upper side of the force transmission plate 8.

In the above-mentioned embodiment, the downside of lift case 7 is equipped with connecting block 29, the bore of connecting block 29 is less than 7 downside bores of lift case, the upside of regulating block 4 is equipped with the recess 28 with the butt joint of connecting block 29, realize elevating gear and 4 stable connections of regulating block, crane 30 drives dowel steel 8 and rises, dowel steel 8 drives protection shield 9 and rises, meet can bottom protection shield 9 and piano, when avoiding binding the subassembly and the piano drops, elevating gear has the second grade guard action to the piano, the security of piano transportation has been increased. The ring side of lift case 7 and regulating block 4 is equipped with connecting seat 10 relatively, and the ring side of lift case 7 and regulating block 4 is equipped with a plurality of relative connecting seats 10, and two connecting seats 10 can dismantle through the bolt and be connected, have increased the stability that lift case 7 and regulating block 4 are connected.

In summary, the present invention provides a transporting device for pianos, which at least has the following advantages:

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a piano conveyor, its characterized in that, includes manual hydraulic fork truck body, manual hydraulic fork truck body includes two forks that are parallel to each other, two the upside of fork is equipped with damper, damper's upside be equipped with rather than shock attenuation complex regulating block, be equipped with a plurality of subassemblies of binding on the regulating block.

2. The transporting device for piano of claim 1, wherein the adjusting plate is telescopically engaged with the adjusting plate at both front and rear sides of the adjusting plate horizontally perpendicular to the fork axis, and a plurality of binding assemblies are provided at a side of the adjusting plate away from the adjusting plate.

3. The transporting device as claimed in claim 2, wherein the binding member is slidably engaged with the adjusting plate, the binding member is a hoop, the adjusting plate is provided with a first sliding groove, and the hoop is provided with a first sliding block slidably engaged with the first sliding groove.

4. A piano transporting device as claimed in claim 3, wherein two adjusting plates are provided on the front side of the adjusting block, two adjusting plates are provided on the rear side of the adjusting block, and the adjusting plates on the front and rear sides of the adjusting block are opposite to each other in pairs.

5. The transporting device for the piano of claim 4, wherein a bi-directional hydraulic telescopic rod is provided between the opposite adjusting plates at the front and rear sides of the adjusting plate, and both movable ends of the bi-directional hydraulic telescopic rod are respectively connected to the two adjusting plates.

6. The transporting device for piano of claim 4, wherein four of said adjusting plates are provided with independent driving mechanisms, said driving mechanisms comprise driving motors, output shafts of said motors are connected with transmission gears, and lower sides of said adjusting plates are provided with straight tooth grooves engaged with said transmission gears.

7. A transporting device for piano as claimed in any one of claims 1 to 6, wherein said damper assembly comprises a damper box, a damper spring is provided in said damper box, a damper plate is provided on an upper side of said damper spring, and an upper side of said damper plate is connected to a lower side of said adjusting block.

8. The transporting device for piano of claim 7, wherein the upper side of said fork has a second sliding slot along the axis direction, two of said forks have a second sliding slot, and the lower side of said damping box has two second sliding blocks, and said two second sliding blocks are slidably engaged with said two second sliding slots.

9. The piano conveying device according to claim 8, wherein the hand-operated hydraulic forklift body comprises an operating panel, one end of the second chute, which is far away from the operating panel, penetrates through the side wall of the fork, an adjusting column is arranged on the second chute, a third slider in sliding fit with the second chute is arranged on the lower side of the adjusting column, an external thread is arranged on the adjusting column, and a locking nut in external thread fit with the adjusting column is sleeved on the adjusting column.

10. The transporting device for the piano of any one of claims 1 to 6, wherein a lifting device is detachably disposed on the upper side of the adjusting block, the lifting device comprises a lifting box, a lifting frame is disposed in the lifting box, a force transmission plate is disposed on the upper side of the lifting frame, and a protection plate is disposed on the upper side of the force transmission plate.