CN212714148U - Double-drum washing machine - Google Patents

Abstract

The utility model provides a double-drum washing machine, which comprises a washing machine body, wherein the washing machine body comprises a frame body, a drum body, a first shock absorber and at least two hanging rods; the barrel body comprises an upper barrel and a lower barrel, and the upper barrel is positioned right above the lower barrel; one end of the first shock absorber is fixedly arranged on the frame body, the other end of the first shock absorber is fixedly arranged on the lower barrel, and the first shock absorber is used for supporting the lower barrel and reducing vibration generated by the lower barrel; one end of the suspender is fixedly arranged on the frame body, and the other end of the suspender is fixedly arranged on the upper barrel, so that the upper barrel is suspended in the frame body. The utility model discloses a binocular barrel washing machine, this washing machine's lower section of thick bamboo supports and the damping through first shock absorber, and this washing machine's last section of thick bamboo only supports and the damping through the jib to make this binocular washing machine's simple structure, this binocular washing machine's last section of thick bamboo need not to be associated with between the lower section of thick bamboo, not only simplifies this washing machine's overall structure, and reduces washing machine at the technological complexity of installation and later maintenance.

Description

Double-drum washing machine

Technical Field

The utility model relates to a binocular drum type washing machine's damping field especially relates to a binocular drum type washing machine.

Background

At present, a washing machine is one of indispensable household appliances in daily life, and brings great convenience to washing of people. In 2010, the market popularity of the washing machine in China is over 76% on a national scale, wherein the market of cities and towns is over 96%, and the market of rural areas is over 53%, so that the popularization rate of the washing machine in China is higher and higher.

The washing machine is one of the most common household appliances, is closely connected with the daily life of people, and the market proportion of the double-drum washing machine is increased. The lower drum of the double-drum washing machine is similar to the structure of a common washing machine, and is supported and damped by a first damper and a suspension spring.

At present, the supporting and vibration damping structure of the upper drum washing machine is complex, and the production cost and the later maintenance cost of the double drum washing machine are greatly increased.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model provides a double-drum washing machine.

The utility model discloses only connect the upper cylinder in the framework through a plurality of jibs to solve above-mentioned problem.

The utility model provides a double-drum washing machine, which comprises a washing machine body, wherein the washing machine body comprises a frame body, a drum body, a first shock absorber and at least two hanging rods; wherein the content of the first and second substances,

the barrel body comprises an upper barrel and a lower barrel, the upper barrel and the lower barrel are positioned in the frame, and the upper barrel is positioned right above the lower barrel;

one end of the first shock absorber is connected to the frame body, the other end of the first shock absorber is connected to the lower tube, and the first shock absorber is used for supporting the lower tube and reducing vibration generated by the lower tube;

one end of the suspender is connected to the frame body, and the other end of the suspender is connected to the upper barrel, so that the upper barrel is suspended in the frame body.

Preferably, the frame body further comprises a top frame, a bottom frame and a middle cross beam; wherein the content of the first and second substances,

the top frame comprises a plurality of top cross beams, and a plurality of suspension rods are fixedly arranged on the top cross beams so that the upper barrel is suspended inside the frame body;

the bottom frame comprises a plurality of bottom cross beams, and the first vibration absorber is fixedly arranged on the bottom cross beams so as to weaken the vibration amplitude transmitted to the frame body by the lower barrel;

the middle cross beam is located between the upper barrel and the lower barrel in the vertical direction.

Preferably, a reinforcing structure is arranged on the top cross beam, the reinforcing structure is located at the joint of the hanger rod and the top cross beam, and the reinforcing structure is used for increasing the rigidity of the top cross beam.

Preferably, the upper barrel is connected with three suspension rods, one of the three suspension rods is connected to a top cross beam on one side of the upper barrel, and the other two of the three suspension rods are connected to a top cross beam on the other side of the upper barrel; the top cross beam is parallel to the axial direction of the upper barrel, so that the upper barrel is suspended in the frame under the action of the three suspension rods.

Preferably, the upper barrel is connected with four suspension rods, and the four suspension rods are respectively and symmetrically connected to top cross beams on two sides of the upper barrel.

Preferably, one end of the hanger bar is connected to a corner formed by the adjacent roof rails.

Preferably, the bottom frame comprises a plurality of bottom cross beams, and the first vibration absorber is fixedly arranged on the bottom cross beams to weaken the vibration amplitude transmitted to the frame body by the lower barrel.

Preferably, at least three first shock absorbers are connected to the underframe, one of the three first shock absorbers is located on the bottom cross beam on one side of the lower tube, and two of the three first shock absorbers are located on the bottom cross beam on the other side of the lower tube.

Preferably, the supporting positions of the three first dampers and the bottom cross beam form an isosceles triangle.

Preferably, the washing machine body further comprises at least two second vibration dampers, one end of each second vibration damper is connected to the middle cross beam, and the other end of each second vibration damper is connected to the upper drum; the second vibration damper is used for supporting the upper cylinder and damping vibration generated by the upper cylinder.

Preferably, the upper cylinder is connected with two second vibration dampers, and the two second vibration dampers are symmetrically arranged by taking the axis of the upper cylinder as a central axis; the angle range formed by the extension lines of the two second dampers is as follows: 30 degrees or more and 120 degrees or less.

Preferably, the upper cylinder is connected with three second vibration dampers, one of the three second vibration dampers is positioned on one side of the upper cylinder, and the other two of the three second vibration dampers are positioned on the other side of the upper cylinder.

Preferably, the upper cylinder is connected with four second vibration dampers, the four second vibration dampers are uniformly distributed on two sides of the upper cylinder, and the four second vibration dampers are symmetrically arranged.

Preferably, the washing machine body further comprises a tension spring, one end of the tension spring is fixedly installed on the middle cross beam, and the other end of the tension spring is fixedly installed on the lower barrel.

Compared with the prior art, the beneficial effects of the utility model reside in that:

the utility model discloses a binocular barrel washing machine, this washing machine's lower section of thick bamboo supports and the damping through first shock absorber, and this washing machine's last section of thick bamboo only supports and the damping through the jib to make this binocular washing machine's simple structure, this binocular washing machine's last section of thick bamboo need not to be associated with between the lower section of thick bamboo, not only simplifies this washing machine's overall structure, and reduces washing machine at the technological complexity of installation and later maintenance.

The above description is only an overview of the technical solution of the present invention, and in order to make the technical means of the present invention clearer and can be implemented according to the content of the description, the following detailed description is made with reference to the preferred embodiments of the present invention and accompanying drawings. The detailed description of the present invention is given by the following examples and the accompanying drawings.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without undue limitation to the invention. In the drawings:

fig. 1 is a perspective view of the overall structure of a double-drum washing machine according to the present invention;

FIG. 2 is an enlarged view taken at A in FIG. 1;

FIG. 3 is an enlarged view at B of FIG. 1;

fig. 4 is a rear view of a double-drum washing machine according to the present invention;

fig. 5 is a side view of a double-drum washing machine according to the present invention;

fig. 6 is a perspective view of an embodiment of a dual drum washing machine according to the present invention;

fig. 7 is a perspective view of another embodiment of a dual drum washing machine according to the present invention;

fig. 8 is a perspective view of another embodiment of a dual drum washing machine according to the present invention;

reference numerals: 100. the washing machine comprises a washing machine body, 10, a frame body, 111, a first top cross beam, 112, a second top cross beam, 121, a middle cross beam, 131, a bottom cross beam, 20, a hanging rod, 310, an upper barrel, 320, a lower barrel, 40, a first damper, 50, a second damper, 60 and a tension spring.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that the embodiments or technical features described below can be arbitrarily combined to form a new embodiment without conflict.

The utility model provides a double-drum washing machine, as shown in fig. 1-8, comprising a washing machine body 100, wherein the washing machine body 100 comprises a frame body 10, a drum body, a first damper 40 and at least two hanging rods 20; wherein the content of the first and second substances,

the barrel body comprises an upper barrel 310 and a lower barrel 320, the upper barrel 310 and the lower barrel 320 are positioned in the frame body 10, and the upper barrel 310 is positioned right above the lower barrel 320;

one end of the first damper 40 is fixedly mounted on the frame 10, and the other end is fixedly mounted on the lower tube 320, and the first damper 40 is used for supporting the lower tube 320 and damping the vibration generated by the lower tube 320;

one end of the hanger rod 20 is fixedly attached to the frame 10, and the other end is fixedly attached to the upper tube 310, so that the upper tube 310 is suspended in the frame 10. In one embodiment, people nowadays have higher living standard, and the quality of the washing machine is pursued while paying more attention to the sanitary condition, so that the double-drum washing machine is more and more popular in people's life. Generally, a dual drum washing machine includes a lower drum and an upper drum, the upper drum is located right above the lower drum, and the mass of clothes contained in the upper drum is smaller than that contained in the lower drum; in addition, when the upper drum of the double-drum washing machine works, the lower drum lowers the center of the washing machine like a jack; when the lower drum of the washing machine works, the upper drum is used as a balance weight to press the lower drum. For the lower tube to damp and support, generally through a shock absorber and a suspension spring, it should be understood that: the lower barrel is arranged in the frame body of the washing machine through the lower support of the shock absorber and the upper support of the hanging spring, and in addition, when the vibration is generated due to the rotation of the inner barrel of the washing machine, the shock absorber and the hanging spring reduce the vibration generated on the lower barrel so as to reduce the vibration transmitted to the frame body.

Generally, the upper drum 310 and the lower drum 320 are supported and damped by the damper and the suspension spring, but the damper for the upper drum is fixedly mounted on the middle cross beam 121 of the washing machine frame, which increases the complexity of the whole structure of the washing machine. In this embodiment, the upper barrel 310 is only damped and supported by the plurality of suspension rods, and the upper barrel is not required to be damped and supported by the damper. The upper drum is suspended in the frame only through the plurality of suspension rods, so that the overall structure of the washing machine is simplified, and the process complexity of the washing machine in installation and later maintenance is reduced.

The frame body 10 further comprises a top frame, a bottom frame and a middle cross beam 121; the top frame comprises a plurality of top cross beams, and a plurality of suspension rods 20 are fixedly arranged on the top cross beams so that the upper barrel is suspended inside the frame body; the bottom frame comprises a plurality of bottom cross beams 131, and the first vibration absorber 40 is fixedly arranged on the bottom cross beams 131 to weaken the vibration amplitude transmitted to the frame body 10 by the lower tube 320; the middle cross member 121 is located between the upper barrel 310 and the lower barrel 320 in the vertical direction. In one embodiment, the top cross member includes a first top cross member 111 and a second top cross member 112, and the first top cross member 111 and the second top cross member 112 are respectively located at both sides of the washing machine. The frame body of the washing machine is a cuboid, and the upper barrel 310 and the lower barrel 320 are respectively arranged in the cuboid. A plurality of hanger rods 20 are mounted on the top frame to suspend the upper drum within the frame; the first damper 40 is fixedly installed on the bottom frame to damp and support the lower tube 320; the middle cross beam 121 is located between the upper barrel 310 and the lower barrel 320 in the vertical direction, and the middle cross beam 121 is used for installing a suspension spring so as to support and damp the lower barrel.

In one embodiment, the top cross member is provided with a reinforcing structure at the junction of the hanger bar 20 and the top cross member for increasing the rigidity of the top cross member. Preferably, the reinforcing structure comprises a top cross-member shaped by bending, it being understood that: the top beam is bent into a 90-degree bending piece through a bending process, so that the rigidity of the top beam is improved, and the overall rigidity of the washing machine frame is further enhanced.

In one embodiment, as shown in fig. 6, three suspension rods 20 are connected to the upper barrel 310, one of the three suspension rods 20 is connected to a top cross beam on one side of the upper barrel 310, and the other two suspension rods 20 are connected to a top cross beam on the other side of the upper barrel 310; the top cross beam is parallel to the axial direction of the upper barrel, so that the upper barrel 310 is suspended in the frame 10 by the three suspension rods 20. In the present embodiment, the connecting lines of the three suspension rods 20 respectively contacting with the top beam form a triangle, and the three suspension rods 20 of the triangle form a stable structure to make the upper drum stably suspended in the washing machine frame.

Preferably, the connecting lines of the joints of the three suspenders 20 and the top beam form an isosceles triangle. It should be understood that: the top beam connected with the suspender comprises two parallel top beams positioned at two sides of the upper barrel, namely the side length of the washing machine with a cuboid structure. The three suspenders are respectively connected to two balanced top beams on two sides of the upper barrel, two sides of the upper barrel respectively comprise a suspender and two suspenders, and one suspender is arranged at the middle point of the connecting line of the two suspenders in the axial direction of the upper barrel, namely the connecting line of the connecting positions of the three suspenders and the top beams forms an isosceles triangle. The distance between one suspender on the isosceles triangle, namely the top beam, and the connecting line of the two suspenders on the opposite top beam is the same. The hanger rod forming an isosceles triangle structure enables the upper drum to be more stably arranged on the frame body of the washing machine,

in another alternative embodiment, as shown in fig. 2 and 4, four suspension rods 20 are connected to the upper barrel 310, and the four suspension rods 20 are symmetrically connected to the top cross beams on both sides of the upper barrel; preferably, four suspension rods 20 are respectively installed at the corners formed by two adjacent top beams, and the four suspension rods are symmetrically arranged to suspend the upper drum in the frame body 10. In the present embodiment, the four suspension rods 20 are symmetrically arranged, so that the bearing capacity of the frame body 10 on the upper barrel 310 is more distributed; and the four hanging rods 20 are connected with the corners formed by the adjacent top beams, namely the top points of the cuboids, so that the bearing strength is higher. When the upper tub 310 vibrates due to rotation, the four suspension rods 20 attenuate more vibration force than the two suspension rods 20 and transmit the attenuated vibration force to the top cross member of the top frame, thereby reducing the vibration of the entire washing machine.

The boom 20 generally comprises a rod body, a boom seat, a ball seat, and a spring seat; the lifting rod seat is arranged at the top end of the rod body, the spring seat and the ball seat sequentially penetrate upwards on the rod body from the bottom end of the lifting rod, and a friction plate is arranged in the ball seat and used for increasing damping; the washing machine frame is provided with a spherical groove, and the convex spherical surface of the hanging rod seat is matched with the concave spherical surface on the frame, so that the upper drum is suspended on the frame of the washing machine; preferably, the jib still includes the spring, and spring holder, spring and ball seat upwards run through on the body of rod in proper order by the bottom of jib, and the spring plays the absorbing effect of buffering.

The bottom frame comprises a plurality of bottom cross beams 131, and the first damper 40 is fixedly mounted on the bottom cross beams 131 to attenuate the vibration amplitude transmitted to the frame body 10 by the lower tube 320. In this embodiment, the bottom cross member 131 is parallel to the top cross member, one end of the first damper 40 is connected to the lower tub 320, and the other end is connected to the bottom cross member 131, and the first damper 40 is used to attenuate the vibration generated on the lower tub 320 and transmit the attenuated vibration to the frame 10, so as to reduce the vibration amplitude of the whole washing machine.

In one embodiment, as shown in fig. 3 and 5, at least three first vibration dampers 40 are connected to the bottom frame, one of the three first vibration dampers 40 is located on the bottom cross member 131 on one side of the lower tube 320, and two of the three first vibration dampers 40 are located on the bottom cross member 131 on the other side of the lower tube 320. The three first vibration dampers 40 make the lower cylinder 320 more stable and effective for supporting and damping the lower cylinder.

Preferably, the connecting lines of the three first dampers 40 and the connecting points of the bottom cross member 131 form an isosceles triangle. The isosceles triangle structure is similar to the isosceles triangle formed by the connection line of the connecting part of the hanger rod 20 and the top beam, and the triangle structure increases the stability, so that the lower drum is more stably arranged in the washing machine frame.

It should be noted that: the number of the first dampers 40 connected to the lower tube 320 may be set according to specific situations, for example, four first dampers 40 are connected to the lower portion of the lower tube, and the four first dampers 40 are respectively disposed on both sides of the lower tube 320, so that the lower tube 320 is in a more stable structure. In addition, the first dampers 40 with a large number can weaken vibration force generated by more lower drums and transmit the vibration force to the washing machine frame, but the larger number not only increases the production cost of the washing machine, but also increases the installation and maintenance processes of the washing machine. The utility model discloses the preferred three first shock absorber 40 of connecting of well lower section of thick bamboo not only can guarantee the stability of lower section of thick bamboo 320, and the vibration force that can effectual reduction lower section of thick bamboo 320 produced simultaneously is passed to the washing machine framework again after.

The washing machine body 100 further comprises at least two second dampers 50, wherein one end of each second damper 50 is connected to the middle cross beam 121, and the other end of each second damper 50 is connected to the upper drum 310; the second damper 50 is used to support the upper cylinder 310 and damp vibrations generated therefrom. In one embodiment, second shock absorber 50 is identical in function and construction to first shock absorber 40, except that second shock absorber 50 is attached to upper tube 310 and first shock absorber 40 is attached to lower tube 320. One end of the second damper 50 is connected to the lower surface of the upper tub 310, and the other end is connected to a middle cross member 121 of the washing machine frame, and the middle cross member 121 is located between the upper tub 310 and the lower tub 320 in the vertical direction. The upper part of the upper barrel 310 is connected with a plurality of suspension rods 20, the lower part of the upper barrel 310 is connected with a second damper 50, and the suspension rods 20 and the second damper 50 support and damp the upper barrel from the upper part and the lower part of the upper barrel respectively, so that the stability of the upper barrel is improved, and the damping effect is better.

Specifically, as shown in fig. 8, the upper cylinder 310 is connected to two second vibration dampers 50, and the two second vibration dampers 50 are symmetrically arranged with the axis of the upper cylinder 310 as a central axis; the angle range formed by the extension lines of the two second dampers 50 is: 30 degrees or more and 120 degrees or less. Preferably, one ends of the two second dampers 50 are respectively connected to the side walls of the cylindrical lower tube, and the two second dampers 50 are installed according to the size of the upper tube 310 occupying the volume of the frame body and the weight of the second dampers. Such as: when the volume of the upper tube 310 in the whole frame body is small and the distance between the tube wall of the upper tube 310 and the middle cross beam is large, the angle formed by the extension lines of the two dampers is 30 degrees, and the two dampers can stably support the upper tube due to the angle of 30 degrees. When the upper tube 310 occupies a larger volume of the whole frame body and the distance between the tube wall of the upper tube 310 and the middle cross beam is smaller, the angle formed by the extension lines of the two dampers is 120 degrees, and the two dampers with the angle structure of 120 degrees can stably support the upper tube.

In an alternative embodiment, three of the second shock absorbers 50 are attached to the upper tube 310, one of the three second shock absorbers 50 being located on one side of the upper tube 310 and the other two of the three second shock absorbers 50 being located on the other side of the upper tube 310. In the present embodiment, the three second dampers 50 are similar to the three first dampers 40 in structure, and the connecting lines of the three second dampers 40 and the middle cross beam 121 also preferably form an isosceles triangle, and the stable triangular structure enables the upper drum to be stably suspended in the washing machine frame.

In another alternative embodiment, as shown in fig. 7, four second vibration dampers 50 are connected to the upper cylinder 310, the four second vibration dampers 50 are uniformly distributed on two sides of the upper cylinder 310, and the four second vibration dampers 50 are symmetrically arranged. The four second dampers 50 can better support and damp the upper cylinder.

In one embodiment, the washing machine body 100 further includes a tension spring 60, and one end of the tension spring 60 is fixedly mounted on the middle cross member 121, and the other end is fixedly mounted on the lower drum 320. In the present embodiment, the tension spring 60 plays a role of supporting like the first damper 40, one end of the tension spring 60 is mounted on the middle cross member 121, the other end is connected to the upper end of the lower tube 320, and the first damper 40 and the tension spring 60 are suspended in the frame from the upper and lower portions of the lower tube. Meanwhile, the tension spring 60 also plays a role in damping vibration, and the first damper 40 and the tension spring 60 act on the lower cylinder 320 at the same time, so that the vibration generated by the lower cylinder 320 is weakened, less vibration is transmitted to the frame of the washing machine, and the vibration amplitude of the whole washing machine is reduced.

The utility model discloses a binocular barrel washing machine, this washing machine's lower section of thick bamboo supports and the damping through first shock absorber 40, and this washing machine's last section of thick bamboo only supports and the damping through the jib to make this binocular washing machine's simple structure, this binocular washing machine's last section of thick bamboo need not to be associated with between the lower section of thick bamboo, not only simplifies this washing machine's overall structure, and reduces washing machine at the technological complexity of installation and later maintenance.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way; the utility model can be smoothly implemented by the ordinary technicians in the industry according to the drawings and the above description; however, those skilled in the art should understand that changes, modifications and variations made by the above-described technology can be made without departing from the scope of the present invention, and all such changes, modifications and variations are equivalent embodiments of the present invention; meanwhile, any changes, modifications, evolutions, etc. of the above embodiments, which are equivalent to the actual techniques of the present invention, still belong to the protection scope of the technical solution of the present invention.

Claims (13)

1. A double-drum washing machine is characterized by comprising a washing machine body, wherein the washing machine body comprises a frame body, a drum body, a first shock absorber and at least two hanging rods; wherein the content of the first and second substances,

the barrel body comprises an upper barrel and a lower barrel, the upper barrel and the lower barrel are positioned in the frame, and the upper barrel is positioned right above the lower barrel;

one end of the first shock absorber is connected to the frame body, the other end of the first shock absorber is connected to the lower tube, and the first shock absorber is used for supporting the lower tube and reducing vibration generated by the lower tube;

one end of the suspender is connected to the frame body, and the other end of the suspender is connected to the upper barrel, so that the upper barrel is suspended in the frame body.

2. A dual drum washing machine according to claim 1 wherein the frame further comprises a top frame, a bottom frame, a center sill; wherein the content of the first and second substances,

the top frame comprises a plurality of top cross beams, and a plurality of suspension rods are fixedly arranged on the top cross beams so that the upper barrel is suspended inside the frame body;

the bottom frame comprises a plurality of bottom cross beams, and the first vibration absorber is fixedly arranged on the bottom cross beams so as to weaken the vibration amplitude transmitted to the frame body by the lower barrel;

the middle cross beam is located between the upper barrel and the lower barrel in the vertical direction.

3. A dual drum washing machine according to claim 2 wherein the top cross member is provided with a reinforcement structure at the junction of the hanger bar and top cross member, the reinforcement structure for increasing the rigidity of the top cross member.

4. The dual drum washing machine as claimed in claim 2, wherein three said hanger bars are connected to said upper drum, one of said three hanger bars being connected to a top cross member on one side of said upper drum, and the other two of said three hanger bars being connected to a top cross member on the other side of said upper drum; the top cross beam is parallel to the axial direction of the upper barrel, so that the upper barrel is suspended in the frame under the action of the three suspension rods.

5. The dual drum washing machine as claimed in claim 2, wherein four said hanger bars are connected to said upper drum, and said four hanger bars are symmetrically connected to top beams on both sides of said upper drum, respectively.

6. A dual drum washing machine according to claim 5 wherein one end of said hanger bar is connected to a corner formed by adjacent said top cross members.

7. A dual drum washing machine according to claim 6 wherein at least three of said first dampers are attached to said bottom frame, one of said three first dampers being located on said bottom rail on one side of said lower drum and two of said three first dampers being located on said bottom rail on the other side of said lower drum.

8. A dual drum washing machine according to claim 7 wherein three of said first dampers form an isosceles triangle with the support of said base beam.

9. A dual drum washing machine according to claim 2 wherein said machine body further comprises at least two second dampers, one end of said second dampers being connected to said center sill and the other end of said second dampers being connected to said upper drum; the second vibration damper is used for supporting the upper cylinder and damping vibration generated by the upper cylinder.

10. A dual-drum washing machine according to claim 9, wherein two of said second dampers are connected to said upper drum, and are disposed symmetrically about the axis of said upper drum; the angle range formed by the extension lines of the two second dampers is as follows: 30 degrees or more and 120 degrees or less.

11. A dual drum washing machine according to claim 9 wherein three of said second dampers are attached to said upper drum, one of said three second dampers being located on one side of said upper drum and two of said three second dampers being located on the other side of said upper drum.

12. A dual-drum washing machine according to claim 9, wherein four of said second dampers are attached to said upper drum, and are evenly distributed on both sides of said upper drum, and said four second dampers are symmetrically disposed.

13. A dual drum washing machine according to claim 2 wherein the washing machine body further includes a tension spring having one end fixedly mounted to the cross member and the other end fixedly mounted to the lower drum.

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