CN217991495U - Counter weight installation fixing device - Google Patents
Counter weight installation fixing device Download PDFInfo
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- CN217991495U CN217991495U CN202222537966.1U CN202222537966U CN217991495U CN 217991495 U CN217991495 U CN 217991495U CN 202222537966 U CN202222537966 U CN 202222537966U CN 217991495 U CN217991495 U CN 217991495U
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- side girder
- bottom plate
- riser
- counter weight
- rotary platform
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Abstract
The utility model discloses a counter weight installation fixing device, including the rotary platform bottom plate with set up left side girder and the right side girder in the bottom plate left and right sides respectively, the tip of left side girder and right side girder is provided with the back riser of rigid coupling on the rotary platform bottom plate, and the middle part of back riser is provided with the installation roof beam along vertical direction, is provided with two respectively with the corresponding counter weight mount pad of left side girder and right side girder on the back riser, be provided with the balancing weight of installing on the installation roof beam on the counter weight mount pad. The utility model discloses simple structure, simple to operate, through with back riser respectively the rigid coupling on left side girder and right side girder and rotary platform bottom plate, make the structure of rotary platform seam more stable firm, and installation roof beam and counter weight mount pad cooperate with the balancing weight, have effectively reduced the radius of gyration of complete machine, have increased the side mounting point of balancing weight simultaneously, have effectively avoided the fracture of welding seam between rotary platform bottom plate and girder and the back riser.
Description
Technical Field
The utility model relates to an electric excavator accessory processing technology field, specificly relate to a counter weight installation fixing device.
Background
At present, traditional counter weight mounting means is that four points are all by supreme installation down, does not have the mounting point around this mounting means focus, can lead to though the below of counter weight is fixed, but the whole back-facing of counter weight still exists great pulling force to the platform seam, and there is the risk of welding seam fracture in platform girder seam and back riser seam under great pulling force. And because electric excavator platform overlength and do not need too big counter weight, original counter weight mode no longer is applicable to electric excavator counter weight, in order to reduce the radius of gyration of complete machine, need reset the mounting structure of counter weight.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a simple structure and effectively prevent counter weight installation fixing device that the stem stalk skidded to above problem.
In order to achieve the purpose, the utility model discloses a counter weight installation fixing device, including the rotary platform bottom plate with set up left side girder and the right side girder in the bottom plate left and right sides respectively, its structural feature is, the tip of left side girder and right side girder is provided with the back riser of rigid coupling on the rotary platform bottom plate, and the middle part of back riser is provided with the installation roof beam along vertical direction, be provided with two respectively with the corresponding counter weight mount pad of left side girder and right side girder on the back riser, the bottom rigid coupling of counter weight mount pad is on the rotary platform bottom plate, be provided with the balancing weight of installing on the installation roof beam on the counter weight mount pad.
After adopting above-mentioned structure, through with back riser difference rigid coupling on left side girder and right side girder and rotary platform bottom plate, make the structure of rotary platform seam more stable firm, and the installation roof beam and the counter weight mount pad that set up on back riser cooperate with the balancing weight, the radius of gyration of complete machine has effectively been reduced, the side mounting point of balancing weight has been increased simultaneously, make the more firm installation of balancing weight on rotary platform, the fracture of welding seam between rotary platform bottom plate and girder and the back riser has effectively been avoided.
Preferably, the left side girder and the right side girder are arranged on the upper end face of the rotary platform bottom plate and are respectively close to the positions of the left end edge and the right end edge, the lengths of the left side girder and the right side girder are equal, and the vertical plane where the tail end faces of the two girders are located is located in front of the vertical plane where the tail end of the rotary platform bottom plate is located. The length of two girders is shorter than the length of the rotary platform bottom plate, so that the rear vertical plate and the counterweight mounting seat can be more conveniently mounted on the rotary platform bottom plate.
Preferably, the rear vertical plate is a strip-shaped plate, the inner end face of the strip-shaped plate is fixedly connected with the tail end faces of the left main beam and the right main beam respectively, the lower bottom edge of the strip-shaped plate is welded on the bottom plate of the rotary platform, and the middle position of the upper end edge of the strip-shaped plate is provided with an installation beam arranged in the vertical direction. The rear vertical plates are respectively and fixedly connected to the bottom plate of the rotary platform, the left main beam and the right main beam, so that the welding surface is enlarged, and the stability is higher.
Preferably, the mounting beam is a strip-shaped baffle, a plurality of positioning holes matched with the balancing weight are formed in the mounting beam at intervals along the length direction of the mounting beam, reinforcing ribs are arranged on two sides of each positioning hole in the outer end face of the mounting beam, and the reinforcing ribs are arranged along the length direction of the mounting beam and extend to the lower bottom edge of the rear vertical plate. The setting up of installation roof beam is convenient to cooperate with the balancing weight, increases the side mounting point of balancing weight, makes the installation of balancing weight more stable firm, and the strengthening rib that sets up simultaneously on the installation roof beam can effectively increase the toughness and the non-deformable of installation roof beam.
Preferably, two counter weight mount pads are arranged on the outer end face of the rear vertical plate and are respectively close to the left side and the right side of the rear vertical plate, each counter weight mount pad comprises two vertical plates fixed on the outer end face of the rear vertical plate at intervals, the two vertical plates are perpendicularly connected to the rear vertical plate, the upper end faces of the two vertical plates are located in the same horizontal plane, the lower end faces of the two vertical plates are fixedly connected to the bottom plate of the rotary platform, transverse plates connected to the two vertical plates and the rear vertical plate are arranged on the upper end faces of the two vertical plates, and fixing holes penetrating through the upper end faces and the lower end faces of the transverse plates are formed in the transverse plates. Through connecting the counter weight mount pad respectively on rotary platform bottom plate and left side girder and right side girder, make its face of weld increase and more stable firm.
Preferably, the bottom plate of the rotary platform between the two vertical plates is provided with a notch corresponding to the transverse plate. The opening that sets up on the rotary platform bottom plate makes things convenient for the staff to fix the balancing weight on the counter weight mount pad from bottom installation fixing bolt.
Preferably, the middle of the balancing weight is provided with a through hole matched with the mounting beam, the back of the balancing weight is provided with a mounting platform matched with the counterweight mounting seat at a position close to the bottom edge, the upper side wall of the mounting platform is provided with a threaded hole matched with the counterweight mounting seat, and the balancing weight body on the upper side of the mounting platform is provided with a clamping groove matched with the mounting beam. Cooperate through draw-in groove and installation roof beam, pulling force when can effectively share rotary platform motion, and the mount table then can clamp the counter weight mount pad and make the installation of balancing weight agree with more.
Preferably, back riser is the fashioned notch type baffle of integrated processing casting, and both ends rigid coupling respectively on left side girder and right side girder about the back riser, the installation roof beam rigid coupling is on the bellied body of back riser, and back riser cooperatees with the installation roof beam as integrated processing casting shaping, makes its toughness stronger difficult fracture and deformation.
To sum up, the beneficial effects of the utility model reside in that: the utility model has the advantages of being simple in structure and convenient in installation, through with back riser respectively the rigid coupling on left side girder and right side girder and rotary platform bottom plate, the structure that makes the rotary platform seam is more stable firm, and the installation roof beam and the counter weight mount pad that set up on the riser of back cooperate with the balancing weight, the radius of gyration of complete machine has effectively been reduced, the side mounting point of balancing weight has been increased simultaneously, make firm the installing on rotary platform of balancing weight, the fracture of welding seam between rotary platform bottom plate and girder and the back riser has effectively been avoided.
Drawings
Fig. 1 is a schematic overall structure diagram of the present invention;
fig. 2 is a schematic structural view of the rear vertical plate of the present invention;
FIG. 3 is a schematic structural view of the counterweight block of the present invention mounted on the counterweight mounting seat;
fig. 4 is a schematic view of the counterweight block of the present invention;
FIG. 5 is a schematic view of the counterweight block according to the present invention;
fig. 6 is a schematic structural view of the mounting platform of the present invention matching with the counterweight mounting seat;
fig. 7 is a schematic side view of the rear vertical plate of the present invention.
In the figure: 1. a rotating platform base plate; 2. a left main beam; 3. a right side main beam; 4. a rear vertical plate; 5. mounting a beam; 6. a counterweight mounting seat; 7. a counterweight block; 8. positioning holes; 9. reinforcing ribs; 10. a vertical plate; 11. a transverse plate; 12. a fixing hole; 13. opening; 14. a through hole; 15. an installation table; 16. a threaded hole; 17. a clamping groove.
Detailed Description
The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
In the description of the present application, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present application and simplifying the description, and do not indicate or imply that the referred devices or elements must have a specific orientation, be configured and operated in a specific orientation, and thus, should not be construed as limiting the present application.
In the description of the present application, it should be noted that the terms "mounted," "connected," and "connected" are to be construed broadly and may include, for example, a fixed connection, a removable connection, or an integral connection unless expressly stated or limited otherwise. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.
The following is a description of preferred embodiments of the present invention with reference to the accompanying drawings.
As shown in fig. 1, the utility model discloses a rotary platform bottom plate 1 with set up left side girder 2 and right side girder 3 in the bottom plate left and right sides respectively, during the design, this left side girder 2 and the welding of right side girder 3 are on rotary platform bottom plate 1's up end and are close to the position department on left end limit and right end limit respectively, and left side girder 2 equals and the vertical plane at two girder end terminal surface places is located the vertical planar the place ahead in the terminal place in rotary platform bottom plate 1 with the length of right side girder 3, length weak point through two girders like this is in rotary platform bottom plate 1's length, can make and install back riser 4 and counter weight mount pad 6 on rotary platform bottom plate 1 more convenient, make the bottom of back riser 4 and counter weight mount pad 6 have the support, make the whole more firm and the difficult fracture of welding seam of device simultaneously.
As shown in fig. 1 and 2, the utility model discloses an in the preferred embodiment, there is the back riser 4 of rigid coupling on the rotary platform bottom plate 1 at the end-to-end connection of left side girder 2 and right side girder 3, the middle part of this back riser 4 is provided with installation roof beam 5 along vertical direction, during the design, this back riser 4 is the bar shaped plate, the interior terminal surface of bar shaped plate respectively with the terminal surface looks rigid coupling of left side girder 2 and right side girder 3, the lower base welding of bar shaped plate is on rotary platform bottom plate 1, and middle position department is equipped with along the installation roof beam 5 of vertical direction setting in the upper end of bar shaped plate. Therefore, the rear vertical plate 4 is respectively and fixedly connected to the rotary platform bottom plate 1, the left main beam 2 and the right main beam 3, so that the welding surface of the rotary platform bottom plate is increased, and the rotary platform bottom plate is more stable and firm. The mounting beam 5 is a strip-shaped baffle, a plurality of positioning holes 8 for mounting the counterweight block 7 are arranged on the mounting beam 5 at intervals along the length direction of the mounting beam, reinforcing ribs 9 are arranged on two sides of the positioning holes 8 on the outer end face of the mounting beam 5, and the reinforcing ribs 9 are arranged along the length direction of the mounting beam 5 and extend to the lower bottom edge of the rear vertical plate 4. Like this through set up installation roof beam 5 on back riser 4, can conveniently cooperate with balancing weight 7, increase balancing weight 7's side mounting point, make balancing weight 7's installation more stable firm, the strengthening rib 9 that sets up simultaneously on installation roof beam 5 can effectively increase the toughness and the non-deformable of installation roof beam 5. When the preparation, back riser 4 can be the fashioned notch type baffle of integrated processing casting, both ends difference rigid coupling is on left side girder 2 and right side girder 3 about through back riser 4, installation roof beam 5 rigid coupling is on the bellied body of back riser 4, back riser 4 cooperatees with installation roof beam 5 for integrated processing casting shaping like this, make its toughness more difficult fracture and deformation, can also replace installation roof beam 5 to be used for installing balancing weight 7 through the protruding body of back riser 4, of course, the structure size of the protruding body of this back riser 4 is the same with installation roof beam 5 size.
As shown in fig. 1 and 6 and fig. 7, the utility model discloses an in another embodiment, be provided with two counter weight mount pads 6 corresponding with left side girder 2 and right side girder 3 respectively on back riser 4, the bottom rigid coupling of this counter weight mount pad 6 is on rotary platform bottom plate 1, during the design, two counter weight mount pads 6 set up on the outer terminal surface of back riser 4 and be close to the left and right sides of back riser 4 respectively on, counter weight mount pad 6 includes riser 10 of two intervals fixed on the outer terminal surface of back riser 4, two riser 10 vertical welding are on back riser 4 and the up end of two riser 10 is located same horizontal plane, the lower terminal surface rigid coupling of two riser 10 is on rotary platform bottom plate 1, there is diaphragm 11 of connection on two riser 10 and back riser 4 at the up end welding of two riser 10, the intermediate position of diaphragm 11 is equipped with the fixed orifices 12 that passes diaphragm 11 upper and lower both ends face, through reducing the mount pad length in the traditional meaning, the radius of gyration of complete machine has effectively been reduced, the side mounting point of balancing weight 7 has been increased simultaneously, installation 7 is firm more like this, and firm through connecting counter weight mount pad 6 respectively on the girder with left side girder 2 and the increase of main girder and make it firm more firm. During manufacturing, the opening 13 corresponding to the transverse plate 11 is formed in the rotating platform bottom plate 1 between the two vertical plates 10, and the counter weight 7 is conveniently fixed on the counter weight mounting seat 6 by a worker through the opening 13 formed in the rotating platform bottom plate 1 by mounting a fixing bolt from the bottom.
As shown in fig. 3-6, in a specific embodiment of the present invention, a counterweight 7 mounted on the mounting beam 5 is disposed on the counterweight mounting seat 6, during design, the size of the counterweight 7 is adapted to the width of the bottom plate 1 of the rotary platform, a through hole 14 matched with the positioning hole 8 on the mounting beam 5 is disposed in the middle of the counterweight 7, the number of the through holes 14 is matched with the number of the positioning holes 8, and a positioning bolt and a nut passing through the through hole 14 and the positioning hole 8 are disposed at the through hole 14; the back of the counter weight 7 is provided with an installation platform 15 matched with the counter weight installation seat 6 at a position close to the lower bottom edge, the installation platform 15 is arranged in a concave manner, the depth of the installation platform 15 is matched with the front and rear lengths of the counter weight installation seat 6, the width and the length of the installation platform 15 are matched with the distance between the two counter weight installation seats 6, a threaded hole 16 matched with the counter weight installation seat 6 is formed in the upper side wall of the installation platform 15, during installation, the counter weight 7 is fixed in the threaded hole 16 by a fixing bolt penetrating through a fixing hole 12 of the counter weight installation seat 6 in a threaded manner, a clamping groove 17 matched with the installation beam 5 is formed in the body of the counter weight 7 on the upper side of the installation platform 15, the size of the clamping groove 17 is matched with the size of the installation beam 5, the pulling force generated when the rotary platform moves can be effectively shared by matching with the mounting beam 5, and the installation platform 15 can clamp the counter weight installation seat 6 to enable the installation of the counter weight 7 to be more matched.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications or substitutions do not depart from the scope of the invention in its corresponding aspects.
Claims (8)
1. The utility model provides a counter weight installation fixing device, includes rotary platform bottom plate (1) and sets up left side girder (2) and right side girder (3) in the bottom plate left and right sides respectively, its characterized in that: the utility model discloses a rotary platform, including the pivot platform, the pivot platform is characterized in that the tip of left side girder (2) and right side girder (3) is provided with back riser (4) of rigid coupling on rotary platform bottom plate (1), and the middle part of back riser (4) is provided with installation roof beam (5) along vertical direction, be provided with two counter weight mount pads (6) corresponding with left side girder (2) and right side girder (3) respectively on back riser (4), the bottom rigid coupling of counter weight mount pad (6) is on rotary platform bottom plate (1), be provided with on counter weight mount pad (6) and install balancing weight (7) on installation roof beam (5).
2. The counterweight installation fixture of claim 1 wherein: the left side girder (2) and the right side girder (3) are arranged on the upper end surface of the rotary platform bottom plate (1) and are respectively close to the positions of the left end edge and the right end edge, the lengths of the left side girder (2) and the right side girder (3) are equal, and the vertical plane where the tail end surfaces of the two girders are located is located in front of the vertical plane where the tail end of the rotary platform bottom plate (1) is located.
3. The counterweight mounting fixture of claim 1 wherein: the rear vertical plate (4) is a strip-shaped plate, the inner end face of the strip-shaped plate is fixedly connected with the tail end faces of the left main beam (2) and the right main beam (3) respectively, the lower bottom edge of the strip-shaped plate is welded on the bottom plate (1) of the rotary platform, and an installation beam (5) arranged in the vertical direction is arranged in the middle of the upper end edge of the strip-shaped plate.
4. The counterweight installation fixture of any one of claims 1 or 3 wherein: the mounting beam (5) is a strip-shaped baffle, a plurality of positioning holes (8) matched with the balancing weight (7) are formed in the mounting beam (5) along the length direction of the mounting beam at intervals, reinforcing ribs (9) are arranged on two sides of each positioning hole (8) in the outer end face of the mounting beam (5), and the reinforcing ribs (9) are arranged along the length direction of the mounting beam (5) and extend to the lower bottom edge of the rear vertical plate (4).
5. The counterweight installation fixture of claim 1 wherein: two counter weight mount pads (6) set up on the outer terminal surface of back riser (4) and be close to the left and right sides of back riser (4) respectively on, counter weight mount pad (6) include two interval fixes riser (10) on the outer terminal surface of back riser (4), two riser (10) are connected perpendicularly on back riser (4) and the up end of two riser (10) is located same horizontal plane, the lower terminal surface rigid coupling of two riser (10) is on gyration platform bottom plate (1), the up end of two riser (10) is provided with diaphragm (11) of connection on two riser (10) and back riser (4), is provided with on diaphragm (11) and passes fixed orifices (12) of both ends face about diaphragm (11).
6. The counterweight mounting fixture of claim 5 wherein: and a gap (13) corresponding to the transverse plate (11) is formed on the bottom plate (1) of the rotary platform between the two vertical plates (10).
7. The counterweight installation fixture of claim 1 wherein: the middle part of balancing weight (7) is provided with and installs roof beam (5) matched with through-hole (14), the back of balancing weight (7) is close to down base position and is provided with and counter weight mount pad (6) assorted mount table (15), be provided with on the last lateral wall of mount table (15) with counter weight mount pad (6) matched with screw hole (16), be provided with on the balancing weight (7) body of mount table (15) upside and install roof beam (5) matched with draw-in groove (17).
8. The counterweight mounting fixture of claim 1 wherein: back riser (4) are the fashioned baffle of the type of linking the pipeline of integrated processing casting, and the rigid coupling is on left side girder (2) and right side girder (3) respectively at both ends about back riser (4), installation roof beam (5) rigid coupling is on the bellied body of back riser (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222537966.1U CN217991495U (en) | 2022-09-26 | 2022-09-26 | Counter weight installation fixing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222537966.1U CN217991495U (en) | 2022-09-26 | 2022-09-26 | Counter weight installation fixing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217991495U true CN217991495U (en) | 2022-12-09 |
Family
ID=84290308
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222537966.1U Active CN217991495U (en) | 2022-09-26 | 2022-09-26 | Counter weight installation fixing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217991495U (en) |
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2022
- 2022-09-26 CN CN202222537966.1U patent/CN217991495U/en active Active
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Address after: 266500 No. 75 East Huanghe Road, Huangdao District, Qingdao City, Shandong Province Patentee after: Lovol Heavy Industry Group Co.,Ltd. Address before: 266500 No. 75 East Huanghe Road, Huangdao District, Qingdao City, Shandong Province Patentee before: LOVOL Engineering Machinery Group Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |