CN105502160A - Crane - Google Patents
Crane Download PDFInfo
- Publication number
- CN105502160A CN105502160A CN201511024996.0A CN201511024996A CN105502160A CN 105502160 A CN105502160 A CN 105502160A CN 201511024996 A CN201511024996 A CN 201511024996A CN 105502160 A CN105502160 A CN 105502160A
- Authority
- CN
- China
- Prior art keywords
- girder
- wheel carrier
- end wheel
- ledge structure
- hoisting crane
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C6/00—Girders, or track-supporting structures, specially adapted for cranes
Abstract
The invention discloses a crane which comprises a girder and an end wheel frame, wherein a step structure protruding out of a connecting surface is arranged on the connecting surface of the end wheel frame with the girder, is in contact with the girder and bears at least one part of shear force between the girder and the end wheel frame. The step structure is arranged for bearing at least one part of shear force, so that the safety of the crane is promoted.
Description
Technical field
The present invention is a kind of hoisting crane.
Background technology
Hoisting crane has a wide range of applications in industrial circle.Hoisting crane has many types.Such as, electric overhead travelling crane generally includes pair of end wheel carrier, and one or more girder and one or more monkey, depend on the embody rule of this hoisting crane.Monkey is equipped with the parts of motor, reel, lifting rope, suspension hook, to provide pulling force.Monkey is arranged on girder, thus can move along the length direction of girder.And the two ends of girder are connected with end wheel carrier respectively, and by the erection of end wheel carrier in orbit, thus hoisting crane can be moved on the whole along slideway.Connection between traditional end wheel carrier and girder is by means of only friction force.Bolt fastening under, the weight of load born girder, monkey by the joint face friction force each other of girder and end wheel carrier and in use load.But bolt may relax, under these circumstances, the friction force between joint face will diminish, and is not enough to bear larger weight.
Therefore, need to provide a kind of hoisting crane, the connection mode between its end wheel carrier and girder not only relies on merely friction force to bear the shearing force of holding between wheel carrier and girder.
Summary of the invention
The object of the present invention is to provide a kind of hoisting crane, to solve the problem proposed in above-mentioned background technology.
For achieving the above object, the invention provides following technical scheme:
A kind of hoisting crane, comprise: girder and end wheel carrier, described end wheel carrier is provided with the ledge structure of outstanding described joint face on the joint face be connected with described girder, and described ledge structure contacts with described girder and shearing force between the described girder born at least partially and described end wheel carrier; Described end wheel top of support central authorities are provided with clump weight.
As the further scheme of the present invention: described ledge structure has the upper surface vertical with gravity direction, described girder contacts with described upper surface and applies the power with the same direction of gravity direction to described upper surface.
As the present invention's further scheme: one end that described girder is being connected with described end wheel carrier is provided with connecting panel, the lower surface of described connecting panel contacts with the upper surface of described ledge structure and upper surface to described ledge structure applies pressure.
As the present invention's further scheme: described connecting panel is arranged on described girder by the mode of welding.
As the present invention's further scheme: the width of the upper surface of described ledge structure is greater than, be equal to or less than the width of the lower surface of described connecting panel.
As the present invention's further scheme: the upper surface that the lower surface of described connecting panel is all positioned at described ledge structure contacts with it.
As the present invention's further scheme: described connecting panel contacts with the joint face of described end wheel carrier and is bolted.
As the present invention's further scheme: described end wheel carrier is provided with perforate further, described perforate is positioned on the another side relative with the joint face of described end wheel carrier, and position is corresponding with the position of described bolt.
Compared with prior art, the invention has the beneficial effects as follows: by setting table stage structure, assume responsibility for the shearing force between at least part of girder and end wheel carrier, thus improve the safety of hoisting crane.
Accompanying drawing explanation
Fig. 1 is the schematic perspective view of connection structure between the girder of the hoisting crane showing the utility model embodiment and end wheel carrier.
Fig. 2 show as shown in Figure 1 structure along the schematic cross-section in A-A direction.
Detailed description of the invention
For enabling above-mentioned purpose of the present invention, feature and advantage become apparent more, are described in detail embodiments of the invention below in conjunction with accompanying drawing.A lot of detail has been set forth so that fully understand the present invention in description below.But the present invention can implement to be much different from other modes described here, those skilled in the art can when without prejudice to doing similar popularization when intension of the present invention, therefore the present invention is by the restriction of following public specific embodiment.
The present inventor finds, in the connection mode of traditional girder and end wheel carrier, the friction force that the shearing force between girder and end wheel carrier only relies on the fastening effect of bolt to produce maintains.Therefore, there is the risk being born this shearing force when bolt slides lax by it.When bolt can not bear this shearing force completely, serious consequence may be produced.Therefore, existing connection mode not safe enough, the combination of existing dependence friction force needs to improve based on safety factor in other words, and this likely causes the increase of part dimension, and then improves the manufacturing cost of hoisting crane.
In embodiment provided by the invention, end wheel carrier is provided with outstanding ledge structure in the one side of girder, for placing girder and at least bearing the shearing force between the girder of a part and end wheel carrier, thus improves the safety connected.
Fig. 1 shows the schematic perspective view of connection structure between the girder of the hoisting crane 100 of the embodiment of the present invention and end wheel carrier; It should be noted that, the miscellaneous part of described hoisting crane 100, such as monkey (trolley) is well known to those skilled in the art, not shown in Figure 1;
Described hoisting crane 100 comprises girder 110 and end wheel carrier 130; Described girder 110 for setting up monkey, thus makes dolly can move along the length direction of girder 110; Described girder 110 is connected with described end wheel carrier 130, and therefore, when described end wheel carrier 130 runs along track (Fig. 1 is not shown), described girder 110 just can move along the length direction of described end wheel carrier 130 together with the dolly of erection on it;
In some embodiments, the two ends of described girder 110 are all connected with end wheel carrier, and the configuration of the end wheel carrier of the other end can be identical with described end wheel carrier 130, do not repeat them here;
Described girder 110 and described end wheel carrier 130 have a joint face separately on one end each other, and two joint faces contact with each other and connect; In some embodiments, as shown in Figure 1, two joint faces are connected by bolt 150; On the joint face of described end wheel carrier 130, be provided with the ledge structure 131 of this joint face outstanding; Described ledge structure 131 contacts with described girder 110, and bears the shearing force at least partially between described girder 110 and described end wheel carrier 130; Such as, as described in Figure 1, described girder 110 places on the upper surface of described ledge structure 131 in the bottom of the one end near described end wheel carrier 130, thus applies pressure to the upper surface of described ledge structure 131; Described end wheel carrier 130 end face central authorities are provided with clump weight 134, thus ensure that end wheel carrier 130 has larger inertia when moving, and ensure stability when it moves;
Fig. 2 show as shown in Figure 1 structure along the schematic cross-section in A-A direction; It should be noted that, in order to highlight the dimension scale of the parts shown in the dimension scale of the parts shown in described ledge structure 131, Fig. 2 and Fig. 1 and incomplete same;
As shown in Figure 2, the upper surface of described ledge structure 131 is vertical with gravity direction, namely keeps level; It should be noted that, mention in the present invention " on ", all refer to hoisting crane direction away from ground when assembling usage condition, so-called D score then depends on subaerial direction; Because the upper surface of described ledge structure 131 is vertical with gravity direction, the lower surface of described girder 110 near the end of described end wheel carrier 130 just can be placed on this upper surface reposefully, applies the pressure in direction consistent with gravity direction equably to it; In other embodiments, the upper surface of described ledge structure 131 can also have other to arrange, such as can be at an angle with horizontal direction, as long as the corresponding contact surface of described girder 110 can be coordinated, the upper surface of described ledge structure 131 stably can be fitted with this contact surface, ensure that described girder 110 can apply pressure to described ledge structure 131 fifty-fifty;
As shown in Figure 2, in some embodiments, described girder 110 is provided with connecting panel 111 (illustrating with point-like block diagram in Fig. 2) in the one end near described end wheel carrier 130; Described connecting panel 111 1 aspect is used for being connected by described bolt 150 with the joint face of described end wheel carrier 130, on the other hand for providing the contact surface of fitting with the upper surface of described ledge structure 131; That is, the lower surface of described connecting panel 111 is fitted with the upper surface of described ledge structure 131 and is contacted, and applies pressure to the upper surface of described end wheel carrier 131; In some embodiments, described connecting panel 111 is connected by the mode of welding with other parts of described girder 110, thus realize more firmly connecting, the upper surface be convenient to described ledge structure 131 applies pressure, the i.e. gravity at least partially of described girder 110;
In fig. 2, the width of the described ledge structure 131 illustrated is identical with the width of the lower surface of described connecting panel 111, thus make the lower surface of described connecting panel 111 be fitted on the upper surface of described ledge structure 131 completely, namely the lower surface of described connecting panel 111 be all positioned at described ledge structure 131 upper surface on and contact with it; In other embodiments, the width of the upper surface of described ledge structure 131 also can be greater than or less than the width of the lower surface of described connecting panel 111;
In some embodiments, described end wheel carrier 130 also can be provided with perforate (not shown), for regulating described bolt 150 by this perforate; In some embodiments, described perforate is positioned on the another side relative with the joint face of described end wheel carrier 130, and position is corresponding with the position of described bolt 150;
Structure provided by the invention, can provide more stable, safe connection; With reference to figure 2, owing to being provided with described ledge structure 131, being originally applied to the shearing force on bolt 150, being passed on described ledge structure 131 by described connecting panel 111 now; This shearing force creates a torque T 1 to whole end wheel carrier 130, and size is the product of wheel 133 center to the eccentric throw of described ledge structure 131 of shearing force Fv (in Fig. 2 shown in arrow) and end wheel carrier 130; In order to resist above-mentioned torque T 1, the power Fh1 (in Fig. 2 shown in arrow) that the slide rail (not shown) installed can apply as shown in Figure 2 to the wheel 133 of described end wheel carrier 130 is coordinated, the power Fh2 (in Fig. 2 shown in arrow) that the joint face of described girder 110 can apply as shown in Figure 2 to the joint face of described end wheel carrier 130 with described end wheel carrier 130; Power Fh1 and Fh2 equal and opposite in direction, be parallel to each other and direction is contrary, common composition one group of power, and the torque T 2 produced equals above-mentioned torque T 1, thus realizes balance.
Although the present invention with preferred embodiment openly as above; but it is not for limiting the present invention; any those skilled in the art without departing from the spirit and scope of the present invention; the Method and Technology content of above-mentioned announcement can be utilized to make possible variation and amendment to technical solution of the present invention; therefore; every content not departing from technical solution of the present invention; the any simple modification done above embodiment according to technical spirit of the present invention, equivalent variations and modification, all belong to the protection domain of technical solution of the present invention.
Claims (8)
1. a hoisting crane, comprise girder and end wheel carrier, it is characterized in that, described end wheel carrier is provided with the ledge structure of outstanding described joint face on the joint face be connected with described girder, and described ledge structure contacts with described girder and shearing force between the described girder born at least partially and described end wheel carrier; Described end wheel top of support central authorities are provided with clump weight.
2. hoisting crane according to claim 1, is characterized in that, described ledge structure has the upper surface vertical with gravity direction, and described girder contacts with described upper surface and applies the power with the same direction of gravity direction to described upper surface.
3. hoisting crane according to claim 2, it is characterized in that, one end that described girder is being connected with described end wheel carrier is provided with connecting panel, and the lower surface of described connecting panel contacts with the upper surface of described ledge structure and upper surface to described ledge structure applies pressure.
4. hoisting crane according to claim 3, is characterized in that, described connecting panel is arranged on described girder by the mode of welding.
5. hoisting crane according to claim 3, is characterized in that, the width of the upper surface of described ledge structure is greater than, be equal to or less than the width of the lower surface of described connecting panel.
6. hoisting crane according to claim 3, is characterized in that, the upper surface that the lower surface of described connecting panel is all positioned at described ledge structure contacts with it.
7. hoisting crane according to claim 3, is characterized in that, described connecting panel contacts with the joint face of described end wheel carrier and is bolted.
8. hoisting crane according to claim 7, is characterized in that, described end wheel carrier is provided with perforate further, and described perforate is positioned on the another side relative with the joint face of described end wheel carrier, and position is corresponding with the position of described bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511024996.0A CN105502160A (en) | 2015-12-30 | 2015-12-30 | Crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511024996.0A CN105502160A (en) | 2015-12-30 | 2015-12-30 | Crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105502160A true CN105502160A (en) | 2016-04-20 |
Family
ID=55710549
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201511024996.0A Pending CN105502160A (en) | 2015-12-30 | 2015-12-30 | Crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105502160A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106429865A (en) * | 2016-11-08 | 2017-02-22 | 芜湖市长江起重设备制造有限公司 | Crane used for workshop |
| CN106429858A (en) * | 2016-11-08 | 2017-02-22 | 芜湖市长江起重设备制造有限公司 | Wheel crane |
| CN106429866A (en) * | 2016-11-08 | 2017-02-22 | 芜湖市长江起重设备制造有限公司 | Crane and transverse beam thereof |
-
2015
- 2015-12-30 CN CN201511024996.0A patent/CN105502160A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106429865A (en) * | 2016-11-08 | 2017-02-22 | 芜湖市长江起重设备制造有限公司 | Crane used for workshop |
| CN106429858A (en) * | 2016-11-08 | 2017-02-22 | 芜湖市长江起重设备制造有限公司 | Wheel crane |
| CN106429866A (en) * | 2016-11-08 | 2017-02-22 | 芜湖市长江起重设备制造有限公司 | Crane and transverse beam thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160420 |