CN220245345U - Shore bridge machine room chassis - Google Patents
Shore bridge machine room chassis Download PDFInfo
- Publication number
- CN220245345U CN220245345U CN202321885370.9U CN202321885370U CN220245345U CN 220245345 U CN220245345 U CN 220245345U CN 202321885370 U CN202321885370 U CN 202321885370U CN 220245345 U CN220245345 U CN 220245345U
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- machine room
- chassis body
- room chassis
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- assemblies
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- 230000007246 mechanism Effects 0.000 claims abstract description 15
- 230000000452 restraining effect Effects 0.000 claims abstract description 9
- 230000000712 assembly Effects 0.000 claims description 39
- 238000000429 assembly Methods 0.000 claims description 39
- 230000006978 adaptation Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 229910052755 nonmetal Inorganic materials 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
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Abstract
The utility model provides a quay crane machine room chassis, comprising: a machine room chassis body; the connecting assembly is arranged at the bottom of the machine room chassis body and used for connecting the machine room chassis body to the rear girder of the crane, wherein the connecting assembly comprises a first connecting assembly, a second connecting assembly and a third connecting assembly, and the first connecting assembly, the second connecting assembly and the third connecting assembly are respectively used for restraining the machine room chassis body from sliding in the vertical direction and the first direction and the second direction of the horizontal plane when the mechanism operates. According to the shore bridge machine room chassis provided by the embodiment of the utility model, the shore bridge machine room chassis can be compactly and reliably installed in a preset area, does not slide, and has strong use durability.
Description
Technical Field
The utility model relates to the technical field of crane cranes, in particular to a crane house chassis of a quay crane.
Background
The machine room chassis of the conventional shore bridge is connected with the rear girder mainly in a high-strength bolt connection mode. In general, the number of fixed supports between the chassis and the rear girder of the machine room is large, the chassis is supported to be of a statically indeterminate structure, and the rear girder and the chassis are deformed easily due to manufacturing tolerance and external load, so that the flange contact surfaces of the supports cannot be completely attached, and gaps exist. Furthermore, in the running process of the mechanism in the machine room, the chassis vibrates, meanwhile, the high-strength bolts are stressed unevenly and stretched repeatedly to generate fatigue fracture, so that the chassis of the machine room slides relative to the rear girder easily, and the safety of the whole machine equipment is seriously affected.
Disclosure of Invention
In view of the above, the present utility model provides a quay crane machine room chassis that can be compactly and reliably installed in a predetermined area without sliding, and that has a high durability in use.
In order to solve the technical problems, the utility model adopts the following technical scheme:
according to an embodiment of the utility model, a quay crane machine room chassis comprises:
a machine room chassis body;
the connecting component is arranged at the bottom of the chassis body of the machine room and is used for connecting the chassis body of the machine room on a rear girder of a crane,
the connecting assembly comprises a first connecting assembly, a second connecting assembly and a third connecting assembly, wherein the first connecting assembly, the second connecting assembly and the third connecting assembly are respectively used for restraining the machine room chassis body from sliding in the vertical direction and the first direction and the second direction of the horizontal plane when the mechanism operates.
Further, the first connection assembly includes:
a plurality of first bolt assemblies;
the top of the first support is connected with the machine room chassis body in the vertical direction through a plurality of first bolt assemblies, and the bottom of the first support is used for connecting the rear girder.
Further, the first connecting assembly at least comprises two pairs, and the two pairs of first connecting assemblies are respectively arranged at four corners of the bottom of the chassis body of the machine room.
Further, the second connection assembly includes:
a plurality of second bolt assemblies;
the top of the second support is connected with the machine room chassis body in the vertical direction through a plurality of second bolt assemblies, and the bottom of the second support is used for being connected with the rear girder;
the pair of first shear plates are respectively connected with the two sides of the second support in the first direction, the top of the first shear plates is connected with the bottom of the chassis body of the machine room,
the first shear plate is used for restraining the machine room chassis body from sliding in a horizontal first direction when the mechanism operates.
Further, the second connecting assembly at least comprises a pair of second connecting assemblies, and the pair of second connecting assemblies are respectively arranged at two sides of the bottom of the chassis body of the machine room.
Further, the third connection assembly includes:
a plurality of third bolt assemblies;
the top of the third support is connected with the machine room chassis body in the vertical direction through a plurality of third bolt assemblies, and the bottom of the third support is used for being connected with the rear girder;
a pair of second shear plates which are respectively connected with two sides of the third support in the horizontal second direction, the top of the second shear plates is connected with the bottom of the machine room chassis body,
the second shear plate is used for restraining the machine room chassis body from sliding in a horizontal second direction when the mechanism operates.
Further, the third connecting assembly at least comprises a pair of third connecting assemblies, and the pair of third connecting assemblies are respectively arranged on two sides of the bottom of the chassis body of the machine room.
Further, the first direction and the second direction are perpendicular to each other.
Further, the first, second and third bolt assemblies each include:
the bolts sequentially penetrate through the top of each support and the bottom of the machine room chassis body from bottom to top, the cap ends of the bolts are abutted to the top of each support, and the other ends of the bolts extend out of the bottom of the machine room chassis body;
the first nut is in threaded connection with the other end of the bolt and abuts against the bottom of the machine room chassis body;
the second nut is in threaded connection with the other end of the bolt and abuts against the top of the first nut;
the pair of nonmetallic elastic gaskets are respectively sleeved between the cap end of the bolt and the top of each support, and between the bottom of the machine room chassis body and the bottom of the first nut.
Further, the nonmetallic elastic gasket is an elastic rubber part.
The technical scheme of the utility model has at least one of the following beneficial effects:
according to the embodiment of the utility model, the shore bridge machine room chassis comprises a machine room chassis body and a connecting component, wherein the connecting component is arranged at the bottom of the machine room chassis body and used for connecting the machine room chassis body to a rear girder of a crane, the connecting component comprises a first connecting component, a second connecting component and a third connecting component, and the first connecting component, the second connecting component and the third connecting component are respectively used for restraining the machine room chassis body from sliding in the vertical direction and the first direction and the second direction of a horizontal plane when the mechanism operates, so that the shore bridge machine room chassis can be compactly and reliably arranged in a preset area, does not slide and has strong use durability.
Drawings
FIG. 1 is a schematic view of a construction of a landing gear machine room chassis according to an embodiment of the present utility model;
FIG. 2 is a top view of FIG. 1;
FIG. 3 is a cross-sectional view taken along line A-A in FIG. 2;
FIG. 4 is an enlarged schematic view of the area A in FIG. 3;
FIG. 5 is a B-B cross-sectional view of FIG. 2;
FIG. 6 is a view from B1 in FIG. 5;
FIG. 7 is a cross-sectional view taken along the direction C-C in FIG. 2;
fig. 8 is a view from C1 in fig. 7.
Reference numerals: 100. a quay crane machine room chassis; 110. a machine room chassis body;
120. a connection assembly;
121. a first connection assembly; 1211. a first bolt assembly; 1212. a first support;
122. a second connection assembly; 1221. a second bolt assembly; 1222. a second support; 1223. a first shear plate;
123. a third connection assembly; 1231. a third bolt assembly; 1232. a third support; 1233. a second shear plate;
200. a rear girder;
300. a bolt; 400. a first nut; 500. a second nut; 600. a nonmetallic elastic gasket.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present utility model more clear, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. It will be apparent that the described embodiments are some, but not all, embodiments of the utility model. All other embodiments, which are obtained by a person skilled in the art based on the described embodiments of the utility model, fall within the scope of protection of the utility model.
Unless defined otherwise, technical or scientific terms used herein should be given the ordinary meaning as understood by one of ordinary skill in the art to which this utility model belongs. The terms "first," "second," and the like, as used herein, do not denote any order, quantity, or importance, but rather are used to distinguish one element from another. The terms "connected" or "connected," and the like, are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", etc. are used merely to indicate a relative positional relationship, which changes accordingly when the absolute position of the object to be described changes.
A crane house chassis according to an embodiment of the present utility model will be described in detail with reference to the accompanying drawings.
The crane house chassis 100 according to an embodiment of the present utility model, as shown in fig. 1 and 2, may include: a machine room chassis body 110 and a connection assembly 120.
The connection assembly 120 is disposed at the bottom of the machine room chassis body 110, and the connection assembly 120 is used for connecting the machine room chassis body 110 to the crane rear girder 200.
The connection assembly 120 includes a first connection assembly 121, a second connection assembly 122, and a third connection assembly 123, where the first connection assembly 121, the second connection assembly 122, and the third connection assembly 123 are respectively configured to restrict the machine room chassis body 110 from sliding in a vertical direction and in a first direction and a second direction of a horizontal plane when the mechanism is operated.
Specifically, according to the quay crane machine room chassis 100 of the embodiment of the present utility model, the machine room chassis body 110 can be compactly and reliably installed in a predetermined area by providing the connection assembly 120 including the first connection assembly 121, the second connection assembly 122 and the third connection assembly 123 at the bottom of the machine room chassis body 110, and the machine room chassis body 110 does not slide with respect to the rear girder 200 when the mechanism in the machine room is operated, and the durability in use is strong.
In some embodiments, as shown in fig. 3 and 4, the first connection assembly 121 may include: a plurality of first bolt assemblies 1211 and a first carrier 1212.
Wherein, the top of the first support 1212 is vertically connected to the machine room chassis body 110 by a plurality of first bolt assemblies 1211, and the bottom of the first support 1212 is used to connect the rear girder 200.
That is, the first connecting assembly 121 is disposed at the bottom of the machine room chassis body 110 to connect the first support 1212, so that the machine room chassis body 110 and the first support 1212 are tightly connected and fixed up and down without loosening.
In some embodiments, the first connecting components 121 include at least two pairs, and the two pairs of first connecting components 121 are respectively disposed at four corners of the bottom of the machine room chassis body 110.
Specifically, for example, as shown in fig. 2, by providing the first connection assemblies 121 at the four corners of the bottom of the machine room chassis body 110, respectively, the machine room chassis body 110 can be stably and effectively fixed to the rear girder 200, and offset looseness is not easily generated.
In some embodiments, as shown in fig. 5 and 6, the second connection assembly 122 may include: a plurality of second bolt assemblies 1221, a second mount 1222, and a pair of first shear plates 1223.
Wherein, the top of the second mount 1222 is vertically coupled to the machine room chassis body 110 by a plurality of second bolt assemblies 1221, and the bottom of the second mount 1222 is for coupling to the rear girder 200.
A pair of first shear plates 1223 are respectively connected to both sides of the second mount 1222 in the first direction, and have tops connected to the bottom of the machine room chassis body 110.
Wherein the first shear plate 1223 is configured to constrain the machine room chassis body 110 from sliding in a horizontal first direction while the mechanism is in operation.
Specifically, a second connection assembly 122 is provided at the bottom of the machine room chassis body 110 to connect the rear girder 200, wherein the first shear plates 1223 are respectively connected to both sides of the second support 1222 in the first direction in the second connection assembly 122 to resist sliding of the machine room chassis body 110 in the first direction when the mechanism is operated.
In some embodiments, the second connecting assembly 122 includes at least one pair, and the pair of second connecting assemblies 122 are respectively disposed on two sides of the bottom of the machine room chassis body 110.
Specifically, for example, as shown in fig. 2, second connecting assemblies 122 are respectively disposed on two sides of the bottom of the machine room chassis body 110 to connect the rear girder 200, so as to perform anti-skid fixation on two sides of the machine room chassis body 110 in the first direction, which is stable and reliable.
In some embodiments, as shown in fig. 7 and 8, the third connection assembly 123 may include: a plurality of third bolt assemblies 1231, a third mount 1232, and a pair of second shear plates 1233.
Wherein, the top of the third support 1232 is connected to the machine room chassis body 110 in the vertical direction by a plurality of third bolt assemblies 1231, and the bottom of the third support 1232 is used to connect the rear girder 200.
A pair of second shear plates 1233 are respectively connected to both sides of the third support 1232 in the horizontal second direction, and the tops thereof are connected to the bottom of the machine room chassis body 110.
Wherein the second shear plate 1233 is used to constrain the machine room chassis body 110 from sliding in the horizontal second direction while the mechanism is in operation.
Specifically, a third connection assembly 123 is provided at the bottom of the machine room chassis body 110 to connect the rear girder 200, wherein the second shear plates 1233 are respectively connected to both sides of the third support 1232 in the second direction in the third connection assembly 123 to resist sliding of the machine room chassis body 110 in the second direction when the mechanism is operated.
It should be noted that, the first direction is perpendicular to the second direction, the first direction and the second direction may be the running directions of the cart and the trolley on the crane, and the first direction and the second direction that may slide the machine room chassis body 110 are limited and fixed, so that the connection stability of the machine room chassis body 110 is effectively improved, and the service life of the lifting device is prolonged.
In some embodiments, the third connecting assembly 123 includes at least one pair, and the pair of third connecting assemblies 123 are respectively disposed on two sides of the bottom of the machine room chassis body 110.
Specifically, for example, as shown in fig. 2, third connecting assemblies 123 are respectively disposed on two sides of the bottom of the machine room chassis body 110 to connect the rear girder 200, so as to perform anti-skid fixation on two sides of the machine room chassis body 110 in the second direction, which is stable and reliable.
It should be noted that, the second connection assembly 122 and the third connection assembly 123 in the present utility model may be disposed between the first connection assemblies 121 on the machine room chassis body 110, or may be disposed outside the first connection assemblies 121.
In some embodiments, as shown in fig. 4, first bolt assembly 1211, second bolt assembly 1221, and third bolt assembly 1231 may each include: a bolt 300, a first nut 400, a second nut 500, and a pair of nonmetallic resilient washers 600.
The bolts 300 sequentially pass through the top of each support and the bottom of the machine room chassis body 110 from bottom to top, the cap ends of the bolts are abutted against the top of each support, and the other ends of the bolts extend out of the bottom of the machine room chassis body 110.
The first nut 400 is screwed on the other end of the bolt 300 and abuts against the bottom of the machine room chassis body 110.
The second nut 500 is screwed on the other end of the bolt 300 and abuts against the top of the first nut 400.
A pair of nonmetallic resilient washers 600 are respectively sleeved between the cap end of the bolt 300 and the top of each support, and between the bottom of the machine room chassis body 110 and the bottom of the first nut 400.
Thus, by adding the non-metal elastic washer 600 to the bolt assembly, the pretightening force of the bolt 300 can be effectively reduced, the restraining force between the machine room chassis body 110 and the rear girder 200 in the vertical direction can be further enhanced, and the loosening of the first nut 400 can be prevented by adding the second nut 500.
Specifically, the non-metal elastic gasket 600 may be an elastic rubber member, which can be deformed in a reversible manner due to the stress of the elastic rubber member, so as to effectively absorb the external force to reduce the pretightening force of the bolt 300, thereby improving the service life of the bolt 300.
While the foregoing is directed to the preferred embodiments of the present utility model, it will be appreciated by those skilled in the art that various modifications and adaptations can be made without departing from the principles of the present utility model, and such modifications and adaptations are intended to be comprehended within the scope of the present utility model.
Claims (10)
1. A quay crane machine room chassis, comprising:
a machine room chassis body;
the connecting component is arranged at the bottom of the chassis body of the machine room and is used for connecting the chassis body of the machine room on a rear girder of a crane,
the connecting assembly comprises a first connecting assembly, a second connecting assembly and a third connecting assembly, wherein the first connecting assembly, the second connecting assembly and the third connecting assembly are respectively used for restraining the machine room chassis body from sliding in the vertical direction and the first direction and the second direction of the horizontal plane when the mechanism operates.
2. The quay crane machine room chassis according to claim 1, wherein the first connection assembly comprises:
a plurality of first bolt assemblies;
the top of the first support is connected with the machine room chassis body in the vertical direction through a plurality of first bolt assemblies, and the bottom of the first support is used for connecting the rear girder.
3. The quay crane machine room chassis according to claim 2, wherein the first connecting assemblies comprise at least two pairs, and the two pairs of first connecting assemblies are respectively arranged at four corners of the bottom of the machine room chassis body.
4. The quay crane machine room chassis according to claim 2, wherein the second connection assembly comprises:
a plurality of second bolt assemblies;
the top of the second support is connected with the machine room chassis body in the vertical direction through a plurality of second bolt assemblies, and the bottom of the second support is used for being connected with the rear girder;
the pair of first shear plates are respectively connected with the two sides of the second support in the first direction, the top of the first shear plates is connected with the bottom of the chassis body of the machine room,
the first shear plate is used for restraining the machine room chassis body from sliding in a horizontal first direction when the mechanism operates.
5. The quay crane machine room chassis according to claim 4, wherein the second connecting assemblies at least comprise a pair of second connecting assemblies, and the pair of second connecting assemblies are respectively arranged at two sides of the bottom of the machine room chassis body.
6. The quay crane machine room chassis according to claim 4, wherein the third connection assembly comprises:
a plurality of third bolt assemblies;
the top of the third support is connected with the machine room chassis body in the vertical direction through a plurality of third bolt assemblies, and the bottom of the third support is used for being connected with the rear girder;
a pair of second shear plates which are respectively connected with two sides of the third support in the horizontal second direction, the top of the second shear plates is connected with the bottom of the machine room chassis body,
the second shear plate is used for restraining the machine room chassis body from sliding in a horizontal second direction when the mechanism operates.
7. The quay crane machine room chassis according to claim 6, wherein the third connecting assemblies comprise at least one pair, and the third connecting assemblies are respectively arranged at two sides of the bottom of the machine room chassis body.
8. The quay machine room chassis of claim 6, wherein the first direction and the second direction are perpendicular to each other.
9. The quay crane machine room chassis of claim 6, wherein the first, second and third bolt assemblies each comprise:
the bolts sequentially penetrate through the top of each support and the bottom of the machine room chassis body from bottom to top, the cap ends of the bolts are abutted to the top of each support, and the other ends of the bolts extend out of the bottom of the machine room chassis body;
the first nut is in threaded connection with the other end of the bolt and abuts against the bottom of the machine room chassis body;
the second nut is in threaded connection with the other end of the bolt and abuts against the top of the first nut;
the pair of nonmetallic elastic gaskets are respectively sleeved between the cap end of the bolt and the top of each support, and between the bottom of the machine room chassis body and the bottom of the first nut.
10. The quay crane machine room chassis of claim 9, wherein the non-metallic resilient pad is an elastomeric rubber member.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321885370.9U CN220245345U (en) | 2023-07-18 | 2023-07-18 | Shore bridge machine room chassis |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321885370.9U CN220245345U (en) | 2023-07-18 | 2023-07-18 | Shore bridge machine room chassis |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220245345U true CN220245345U (en) | 2023-12-26 |
Family
ID=89233079
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321885370.9U Active CN220245345U (en) | 2023-07-18 | 2023-07-18 | Shore bridge machine room chassis |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220245345U (en) |
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2023
- 2023-07-18 CN CN202321885370.9U patent/CN220245345U/en active Active
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