CN109616089B

CN109616089B - Large drum

Info

Publication number: CN109616089B
Application number: CN201811518244.3A
Authority: CN
Inventors: 梁耀京
Original assignee: Mashan County Shancheng Zhuanggu Association
Current assignee: Mashan County Shancheng Zhuanggu Association
Priority date: 2018-12-12
Filing date: 2018-12-12
Publication date: 2020-10-27
Anticipated expiration: 2038-12-12
Also published as: CN109616089A

Abstract

The invention discloses a large drum, comprising: the drum comprises a drum body formed by plate, a drum cavity is formed in the drum body, the plate comprises a main beam plate and an auxiliary plate, the main beam plate protrudes out of the inner wall of the drum cavity to form a protruding part, a metal layer covers the protruding part, a metal nail is arranged on the protruding part, and the metal nail penetrates out of the drum body from the protruding part; the drum head is provided with a spreading piece, and the spreading piece is fixedly sleeved with the two ends of the drum body; a vibrating member including a disc, a spring, and an elastic sheet; the frame comprises a horizontal supporting plate and a supporting frame arranged on the supporting plate, wherein a first end of the supporting frame is hinged with the supporting plate, an electric telescopic rod is arranged between the supporting frame and the supporting plate, one end of the electric telescopic rod is fixed on the supporting plate, the other end of the electric telescopic rod is connected with a second end of the supporting frame, the electric telescopic rod stretches and retracts to lift the height of the second end of the supporting frame, a downward recess is formed in the middle of the supporting frame, and a buffer layer is arranged in the recess; the universal wheels are arranged below the supporting plate.

Description

Large drum

Technical Field

The invention relates to the technical field of musical instruments, in particular to a large drum.

Background

The Mashan meeting drum is one of the Zhuang drums, is formally listed in Guangxi Zhuang nationality autonomous region-level non-material cultural heritage protection directory nowadays, is called as Mashan Sanbao together with Zhuang nationalities and Zhuang nationality three-voice sings, and the number of people participating in learning and performing the meeting drum is continuously increased. The Mashan drum is used for the grand cultural relic performance of the scene, so that the drum sound is required to be grand and muddy, the potential building capability is strong, and the sound is transmitted far.

The general structure of the drum comprises a drum body and drum heads sleeved at two ends of the drum body, wherein the drum heads are beaten to vibrate the drum heads to generate drum sound, and a drum cavity formed by the inner wall of the drum body has the function of adjusting and strengthening drum sound. The frequency and amplitude of the drum head vibration determine the tone and loudness of the drum sound, so to obtain a loud and loud drum sound, the amplitude of the drum head must be increased to reduce the vibration frequency of the drum head. To achieve this, it is conventional to make the drum large and relax the drum skin, however, the drum made by this method has the problems of large volume and low sound, and the relaxed drum skin sounds too deep and weak. In addition, the diameter of the drum is more than 1 meter, and the drum needs to be manually carried to a stand for fixing during performance, which is very troublesome.

In addition, large-scale drum generally all need be equipped with strikes the rod, strikes the rod and generally all independently carries or hangs the lateral part at the drum, and this makes to strike the rod and loses easily, and strikes the rod during large-scale drum transport and sway right side left pendulum, produces extra noise easily or influences the transport.

There is therefore a need to design a large drum that can solve the above problems.

Disclosure of Invention

It is an object of the present invention to address at least the above-mentioned deficiencies and to provide at least the advantages which will be described hereinafter.

Another object of the present invention is to provide a large drum equipped with a knock rod receiving portion.

To achieve these objects and other advantages in accordance with the purpose of the invention, the present invention provides a large drum comprising:

the drum comprises a drum body which is of a cylindrical structure and is formed by encircling a plurality of plates, a drum cavity is formed in the drum body, the plates comprise three main beam plates and a plurality of auxiliary plates, the thickness of each main beam plate is larger than that of each auxiliary plate, the main beam plates protrude out of the inner wall of the drum cavity to form a protruding part, a metal layer covers the protruding parts, metal nails are arranged on the protruding parts, the metal nails penetrate out of the drum body from the protruding parts, and the metal nails are connected and contacted with the metal layer; the main beam plate is structurally used for enhancing the structural strength and stability of the drum body; and secondly, the sound beam plays a role in adjusting sound, so that sound balance and conduction are kept, and muddy sound is easier to spread. Set up the metal level simultaneously and can provide the steady sound vibration decay in drum chamber on the bulge, because, the reason of timber texture itself, the plate surface's that polishes many times smoothness degree still is than not last metal material, and some frequencies are engulfed to coarse drum intracavity wall, lead to the sound decay faster, lead to the drum body not muddy, propagate not far away. The surface of the metal layer is smooth, the sound feedback effect is good, the echo is strong, and the sound is continuous. The metal peg increases the structural strength of girder plate on the one hand, and on the other hand makes the better faster transmission of sound.

The drum head is sleeved at the two ends of the drum body, the drum head is provided with a spreading piece, the spreading piece is of a circular ring structure, the spreading piece spreads the drum head to form a drum surface, and the spreading piece is fixedly sleeved with the two ends of the drum body; the spreading piece can spread the drum skin to be straight, and the drum skin is tensioned conveniently. The traditional method directly utilizes the nail to nail the drum head on the drum body, which is not only not beneficial to the adjustment and tensioning of the drum head, but also has great damage to the drum head by the nail and is easy to cut the drum head.

The vibration part is arranged in the drum cavity and comprises a disc positioned in the center of the drum cavity, a spring connected between the inner wall of the drum cavity and the disc and an elastic sheet arranged on the disc; the first end of the spring is fixed on the inner wall of the drum cavity, the second end of the spring drags the disc to suspend the disc in the air, the first end of the elastic piece is fixed with the disc, and the second end of the elastic piece extends towards the inner wall of the drum cavity and does not contact the inner wall of the drum cavity; through increasing the vibrating piece for large-scale drum is beating the in-process, and the vibrating piece formation resonance of drum intracavity, and the amplitude is bigger, and the sound that the vibration produced is also deep and muddy, makes large-scale drum sound potential stronger, and sound passes farther. Simultaneously the vibrating piece has included spring and elastic strip, and spring and elastic strip are connected with the disc respectively, and at the in-process that strikes, spring and elastic strip vibrate together, and the amplitude is bigger than the simple elastic strip that sets up, and consequently the sound that produces is also more muddy than the simple elastic strip that sets up in the tympanic cavity. In addition, the vibrating piece can also adjust the vibration sound of the drum head, so that the excessively sharp drum sound is avoided.

The electric telescopic rod is arranged between the support frame and the support plate, one end of the electric telescopic rod is fixed on the support plate, the other end of the electric telescopic rod is connected with the second end of the support frame, the electric telescopic rod stretches to raise or lower the height of the second end of the support frame, a downward recess is arranged in the middle of the support frame, and the shape of the recess is matched with the appearance of the drum body; the buffer layer is arranged in the recess and is obtained by wrapping rubber with cloth and flattening the wrapped rubber into a thickness of 1-2 cm, and the buffer layer can reduce the rigid collision between the drum body and the supporting frame, avoid damaging the drum body and improve the durability of the drum body. The reason for wrapping the rubber by using the cloth is that the rubber has high viscosity, particularly can melt or even deteriorate after contacting with the drum body for a long time to pollute the drum body, the contact between the rubber and the outside can be reduced by wrapping the cloth, the speed of oxidizing and melting the rubber is reduced, meanwhile, the contact between the drum body and the rubber can be avoided, and the adhesion of the rubber on the surface of the drum body is reduced; the supporting plate is also provided with a clamping piece, one end of the clamping piece is fixed on any one side of the recess, and the other end of the clamping piece is movably buckled on the other side of the recess so as to clamp the drum body in the recess; four universal wheels are arranged below the supporting plate. The traditional stand is simple in structure, but the height and the inclination of the drum body cannot be adjusted, the drum body is difficult to move to the stand and also difficult to move from the stand, and in order to solve the problem, the support frame is arranged, and meanwhile, the support frame is supported by the electric telescopic rod, so that one end of the support frame is lifted or lowered, the height and the inclination angle of the drum body are adjusted, and drum knocking is facilitated. When the drum body needs to be moved onto the vehicle frame, the height of the supporting frame is reduced through the telescopic rod, so that the large drum body can be conveniently moved onto the vehicle frame, and when the drum body needs to be moved off the vehicle frame, the height of the supporting frame can be reduced for operation. The problem that the drum body is easy to roll and fall off from the shelf when being knocked can be solved by arranging the hooping piece.

Strike rod accommodation portion, it sets up the lateral part of backup pad, strike rod accommodation portion includes riser and a plurality of sleeve, the first face demountable installation of riser in the lateral part of backup pad, the second face forms the installation face, a plurality of sleeves are vertical to be set up side by side on the installation face, sleeve upper end opening lower extreme seals so that strike in the rod can insert the sleeve from the top, the sleeve is made up by the elasticity cloth and is obtained in order to wrap up the striking rod that tightly inserts in the sleeve. The sleeve can hold the rod of strikeing, and the askew west of east produces the noise of strikeing and avoids influencing the transport when avoiding carrying. The vertical arrangement of the sleeve can prevent the knocking stick from falling out of the sleeve, and the sleeve is made of elastic cloth, so that the knocking drum can be tightly wrapped in the sleeve, the knocking stick can be prevented from falling out, and the knocking drum can be conveniently inserted into the sleeve.

Preferably, in the large drum, at least three groups of vibration parts are arranged, and the vibration parts are equidistantly arranged in the drum cavity. Three groups of vibrations correspond to each other, and the sound is more vigorous.

Preferably, in the large drum, the main beam plate is made of peach wood, and the auxiliary plate is made of redwood. The peach wood is hard in texture, but expensive in price, and suitable for being made into a main beam plate, and the red vertebra is hard in wood, but cheap in price, and suitable for being made into an auxiliary plate so as to reduce cost.

Preferably, in the large drum, the mahogany and redwood are treated by:

soaking peach wood and redwood in lime water for 1-2 days, and sun drying; soaking the sun-dried peach wood and redwood in water for 5-6 months, taking out and drying in the air; burning the aired peach wood and the redcone to form a 1-2 cm carbonized layer on the surface of the wood, and removing the carbonized layer to obtain a core material; cutting the core material into plates, then soaking the plates in resin for 15-20 days, and drying. Peach wood and red vertebra are hard, but the internal stress is strong, the condition of cracking easily occurs, in order to solve the problem, the moth or parasite and the part which is easy to rot on the surface of the wood can be killed by soaking with lime water, the stress in the wood can be released by soaking in water, the later cracking is reduced, the material with poor texture on the surface layer of the wood can be removed by burning treatment, and the corrosion resistance effect of the wood is improved.

Preferably, in the large drum, the thickness of the main beam plate is 5 cm, and the width of the main beam plate is 8 cm; the auxiliary plate block is 3 cm in thickness and 8 cm in width. Ensuring sufficient structural strength of the drum body.

Preferably, in the large drum, the resin is an ABS resin. ABS resin can provide good hardness and finish of wood surface.

Preferably, in the large drum, the metal layer is a copper foil.

Preferably, in the large drum, an adjusting screw is further connected between the strutting pieces at the two ends of the drum body.

The invention at least comprises the following beneficial effects:

according to the large drum, the vibrating piece is arranged in the drum cavity and comprises the spring, the disc and the elastic strips, the first end of the spring is fixed on the inner wall of the drum cavity, the second end of the spring is connected with the disc, and the elastic strips are fixed on the disc. Therefore, a muffled sound can be produced without increasing the volume.

The three groups of vibrating parts are arranged at equal intervals, and the sounds generated by vibration correspond to each other and are superposed layer by layer, so that the sound potential is greatly improved.

The drumbeat is composed of a plurality of wood boards, each wood board comprises a main wood board and an auxiliary wood board, the main wood board is thicker and protrudes out of the inner wall of the drum cavity to form a sound beam, the sound beam can effectively balance sound and vibration, and the situation that the sound is too high or loose is avoided, so that the sound is more vigorous.

According to the invention, the drum head is sleeved at the two ends of the drum body through the opening pieces, so that the drum head is easy to install and adjust, and the problem that the drum head is easy to damage when the drum head is directly nailed on the drum body in the traditional method is solved.

According to the invention, the metal layer is covered on the main beam plate, so that the smoothness of the inner wall of the drum cavity can be improved, and the sound attenuation is reduced.

According to the invention, the electric telescopic rod is arranged on the frame to adjust the height and the inclination of the drum body, so that the drum is convenient to carry and knock.

Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.

Drawings

FIG. 1 is a schematic structural view of a large drum according to the present invention;

FIG. 2 is a schematic structural view of the drum body according to the present invention;

FIG. 3 is a top plan view of the drum shell of the present invention;

FIG. 4 is a schematic structural view of a vibrating member according to the present invention;

FIG. 5 is a schematic view of the construction of the drum head of the present invention;

fig. 6 is a schematic cross-sectional view of a support frame according to the present invention.

Detailed Description

The present invention is further described in detail below with reference to the attached drawings so that those skilled in the art can implement the invention by referring to the description text.

As shown in fig. 1, 2, 3, 4, 5 and 6, a large drum comprises:

the drum body 1 is of a cylindrical structure and is formed by a plurality of plates in a surrounding mode, a drum cavity 12 is formed inside the drum body 1, the plates comprise three main beam plates 13 and a plurality of auxiliary plates, the thickness of the main beam plates is larger than that of the auxiliary plates, the main beam plates 13 protrude out of the drum cavity 12 to form protruding portions, metal layers are covered on the protruding portions to improve the smoothness in the drum cavity, metal nails are arranged on the protruding portions, penetrate through the protruding portions to the outside of the drum body to improve the sound conduction speed and efficiency, and the metal nails are connected with the metal layers to enable sound to be conducted quickly.

The drum head 2 at the drum body both ends is established to the cover, be provided with on the drum head 2 and strut piece 12, strut piece 12 and be the ring structure, strut piece 12 will the drum head struts and forms drumhead 11, strut piece 12 with the both ends of drum body 1 are cup jointed fixedly.

The vibrating piece 3 is arranged in the drum cavity, and the vibrating piece 3 comprises a disc 9 positioned in the center of the drum cavity, a spring 10 connected between the inner wall of the drum cavity and the disc, and an elastic sheet 11 arranged on the disc; the first end of the spring 10 is fixed on the inner wall of the drum cavity 12, the second end of the spring pulls the disc 9 to enable the disc 9 to be suspended, the first end of the elastic piece 11 is fixed with the disc 9, and the second end extends towards the inner wall of the drum cavity 12 and does not contact the inner wall of the drum cavity 12.

The vehicle frame 4 comprises a horizontally arranged supporting plate 5 and a supporting frame 6 arranged on the supporting plate 5, a first end of the supporting frame 6 is hinged to the supporting plate 5, an electric telescopic rod 7 is arranged between the supporting frame 6 and the supporting plate 5, one end of the electric telescopic rod 7 is fixed on the supporting plate 5, the other end of the electric telescopic rod is connected with a second end of the supporting frame 6, and the electric telescopic rod 7 stretches and retracts to raise or lower the height of the second end of the supporting frame 6, as shown in fig. 6, a downward concave 14 is arranged in the middle of the supporting frame 6, and the shape of the concave is matched with the appearance of the drum body so that the drum body frame is more stable; the buffer layer is arranged in the recess, rubber is wrapped by cloth and then flattened into a thickness of 1-2 cm to obtain the buffer layer, the more compact the cloth is, the better the rubber is woven, the rubber can be prevented from leaking out of the cloth, the supporting plate is also provided with a hoop member 15, one end of the hoop member 15 is fixed on any side of the recess 14, and the other end of the hoop member is movably buckled on the other side of the recess 14 to buckle the drum body in the recess; four universal wheels 8 are arranged below the supporting plate.

Strike rod accommodation portion, it sets up the lateral part of backup pad 5, strike rod accommodation portion includes riser 16 and a plurality of sleeve 17, the first face demountable installation of riser 16 in the lateral part of backup pad 5, the second face forms the installation face, a plurality of sleeves 17 are vertical to be set up side by side on the installation face, the equidistance sets up between the sleeve, sleeve 17 upper end opening lower extreme seals so that strike in rod 18 can insert sleeve 17 from the top, sleeve 17 is made by the elasticity cloth and is obtained in order to wrap up closely the strike rod 18 that inserts in the sleeve.

Further, the vibrating members 3 are arranged in at least three groups, and the vibrating members are equidistantly arranged in the drum cavity 12. Three groups of vibrations correspond to each other, and the sound is more vigorous.

Furthermore, the main beam plate is made of peach wood, and the auxiliary plate is made of redwood.

Further, the peach wood and the red cone wood are treated by the following steps: soaking peach wood and redwood in lime water for 1 day, and sun drying; soaking the sun-dried peach wood and redwood in water for 5 months, taking out and drying in the air; burning the aired peach wood and the redcone to form a 1 cm carbonized layer on the surface of the wood, and removing the carbonized layer to obtain a core material; and cutting the core material into plates, soaking the plates in resin for 15 days, and drying.

Further, the thickness of the main beam plate is 5 cm, and the width of the main beam plate is 8 cm; the auxiliary plate block is 3 cm in thickness and 8 cm in width. Ensuring sufficient structural strength of the drum body.

Further, the resin is an ABS resin. ABS resin can provide good hardness and finish of wood surface.

Further, the metal layer is a copper foil.

While embodiments of the invention have been disclosed above, it is not intended to be limited to the uses set forth in the specification and examples. It can be applied to all kinds of fields suitable for the present invention. Additional modifications will readily occur to those skilled in the art.

Claims

1. A large drum comprising: the drum comprises a drum body, drum leather sleeved at two ends of the drum body and a frame; be provided with the piece of strutting on the drum head, the piece of strutting is the ring structure, the piece of strutting will the drum head struts and forms drum head, its characterized in that:

the drum body is of a cylindrical structure formed by surrounding a plurality of plates, a drum cavity is formed in the drum body, the plates comprise three main beam plates and a plurality of auxiliary plates, the thickness of each main beam plate is larger than that of each auxiliary plate, the main beam plates protrude out of the inner wall of the drum cavity to form a protruding part, a metal layer covers the protruding parts, metal nails are arranged on the protruding parts, the metal nails penetrate out of the drum body from the protruding parts, and the metal nails are connected and contacted with the metal layer;

the opening piece is fixedly sleeved with the two ends of the drum body;

a vibrating part is arranged in the drum cavity and comprises a disc positioned in the center of the drum cavity, a spring connected between the inner wall of the drum cavity and the disc and an elastic sheet arranged on the disc; the first end of the spring is fixed on the inner wall of the drum cavity, the second end of the spring drags the disc to suspend the disc in the air, the first end of the elastic piece is fixed with the disc, and the second end of the elastic piece extends towards the inner wall of the drum cavity and does not contact the inner wall of the drum cavity;

the frame comprises a horizontally arranged supporting plate and a supporting frame arranged on the supporting plate, a first end of the supporting frame is hinged with the supporting plate, an electric telescopic rod is arranged between the supporting frame and the supporting plate, one end of the electric telescopic rod is fixed on the supporting plate, the other end of the electric telescopic rod is connected with a second end of the supporting frame, the electric telescopic rod stretches and retracts to raise or lower the height of the second end of the supporting frame, a downward recess is arranged in the middle of the supporting frame, and the shape of the recess is matched with the appearance of the drum body; a buffer layer is arranged in the recess, and is obtained by wrapping rubber with cloth and then flattening the rubber into a thickness of 1-2 cm; the supporting plate is also provided with a clamping piece, one end of the clamping piece is fixed on any one side of the recess, and the other end of the clamping piece is movably buckled on the other side of the recess so as to clamp the drum body in the recess; four universal wheels are arranged below the supporting plate;

still including strikeing the rod portion of holding, it sets up the lateral part of backup pad, it includes riser and a plurality of sleeve to strike the rod portion of holding, the first face demountable installation of riser in the lateral part of backup pad, the second face forms the installation face, a plurality of sleeves are vertical to be set up side by side on the installation face, sleeve upper end opening lower extreme seals so that strike in the rod can follow the top and insert the sleeve, the sleeve is made up by the elasticity cloth and is got in order to wrap up the striking rod that tightly inserts in the sleeve.

2. Large drum according to claim 1, wherein the vibrating elements are arranged in at least three groups, the vibrating elements being arranged equidistantly in the drum cavity.

3. The large drum of claim 1, wherein the main beam panel is made of mahogany, and the sub-panel is made of redwood.

4. Large drum according to claim 3, wherein the mahogany and redwood are treated by:

soaking peach wood and redwood in lime water for 1-2 days, and sun drying; soaking the sun-dried peach wood and redwood in water for 5-6 months, taking out and drying in the air; burning the aired peach wood and the redcone to form a 1-2 cm carbonized layer on the surface of the wood, and removing the carbonized layer to obtain a core material; cutting the core material into plates, then soaking the plates in resin for 15-20 days, and drying.

5. The large drum of claim 4, wherein the girder slabs are 5 cm thick and 8 cm wide; the auxiliary plate block is 3 cm in thickness and 8 cm in width.

6. The large drum according to claim 4, wherein the resin is ABS resin.

7. Large drum according to claim 1, wherein the metal layer is a copper foil.