CN114105006A

CN114105006A - Jacking cross beam, climbing frame and tower crane

Info

Publication number: CN114105006A
Application number: CN202111448686.7A
Authority: CN
Inventors: 蒋国嵩; 李文; 骆世林
Original assignee: Hunan Sany Tower Lifting Machinery Co Ltd
Current assignee: Hunan Sany Tower Lifting Machinery Co Ltd
Priority date: 2021-11-30
Filing date: 2021-11-30
Publication date: 2022-03-01
Anticipated expiration: 2041-11-30
Also published as: CN114105006B

Abstract

The invention relates to a jacking cross beam, a climbing frame and a tower crane. The jacking crossbeam includes: the jacking beam body is provided with jacking shafts at two ends of the jacking beam body in a protruding mode, and the jacking shafts are used for being hung in hanging grooves of the standard joint steps; the middle of the jacking cross beam main body is provided with a mounting seat which is used for connecting a jacking oil cylinder of the climbing frame; the two ends of the jacking cross beam main body are both provided with bolt slideways; at least two bolt shafts are arranged in the bolt slide ways in a sliding mode and used for outwards sliding out of the anti-falling holes for inserting the standard section steps. According to the technical scheme, the jacking cross beam can be matched with the anti-drop holes of different hole positions through different bolt shafts, so that the jacking cross beam can be matched with standard joint steps with the anti-drop holes of different hole positions, the universality is stronger, and the equipment cost is favorably reduced; simultaneously, only need in the use operate the bolt axle that corresponds stretch out can, need not to carry out the change operation to the complicacy, it is more convenient to use, is favorable to improving tower crane's lift festival efficiency.

Description

Jacking cross beam, climbing frame and tower crane

Technical Field

The invention relates to the technical field of hoisting equipment, in particular to a jacking cross beam, a climbing frame and a tower crane.

Background

The tower crane is one of common hoisting equipment in the field of construction. When the tower crane is used for operating the lifting joint, the jacking shaft of the jacking cross beam needs to be hung on the correspondingly arranged step structure so as to support the jacking cross beam and related components thereof, and therefore the jacking operation is facilitated. In order to promote the jacking axle and mark time the cooperation stability between the structure, provide some jacking crossbeams that have anti-disengaging structure among the prior art, set up the anticreep round pin axle through the tip at jacking crossbeam, correspondingly, structural setting anticreep hole of marking time to utilize the cooperation in anticreep round pin axle and anticreep hole to realize the anticreep function. However, in the above scheme, because the position and the specification of the anti-disengaging pin shaft are fixed, the anti-disengaging pin shaft can only be adapted to the same step structure of one standard section during use, and a special anti-disengaging structure needs to be designed for each hole position aiming at the step structures of different hole positions, so that the anti-disengaging structure is poor in universality, multiple anti-disengaging structures of different specifications need to be equipped during operation, the use is inconvenient, the operation efficiency of the lifting section of the tower crane is influenced, and the equipment cost is increased.

Disclosure of Invention

In view of the above, to solve the above technical problems, the present invention provides a jacking cross beam, a climbing frame and a tower crane.

The invention provides a jacking cross beam, which comprises: the jacking beam body is provided with jacking shafts at two ends of the jacking beam body in a protruding mode, and the jacking shafts are used for being hung in hanging grooves of the standard joint steps; the middle of the jacking cross beam main body is provided with a mounting seat which is used for connecting a jacking oil cylinder of the climbing frame; the two ends of the jacking cross beam main body are both provided with bolt slideways; at least two bolt shafts are arranged in the bolt slide ways in a sliding mode and used for outwards sliding out of the anti-falling holes for inserting the standard section steps.

In one possible implementation, the jacking beam further includes: the fixed plate is provided with a bolt hole and is connected with the end part of the jacking cross beam main body; the bolt shaft is used for outwards sliding out, penetrating through the bolt hole and inserting into the anti-falling hole of the standard step.

In a possible implementation mode, the fixed plate is also provided with a jacking shaft hole; the jacking shaft is used for passing through the jacking shaft hole and being hung in the hanging groove of the standard joint step.

In one possible implementation, the jacking beam further includes: the limiting plate is arranged opposite to the bolt slide ways, the limiting plate is connected with the jacking cross beam main body, limiting chutes which correspond to the bolt shafts one by one are arranged on the limiting plate along the extending direction of the jacking cross beam main body, and the limiting chutes are arranged at intervals; each bolt shaft is provided with a limiting rod extending along the radial direction, and the limiting rod penetrates through the corresponding limiting sliding groove and is in sliding fit with the limiting sliding groove.

In one possible implementation mode, two ends of the limiting sliding chute are provided with clamping grooves extending downwards; the limiting rod can be matched with the clamping groove in a clamping mode.

In one possible implementation mode, the number of the bolt shafts is two, and the number of the limiting chutes is two; the jacking crossbeam still includes: the linkage plate is arranged opposite to the bolt slide way and is provided with an arc-shaped linkage chute; the limiting rod penetrates through the corresponding limiting sliding groove and the corresponding linkage sliding groove and is connected with the linkage plate in a sliding mode.

In a possible implementation manner, a first operating rod and a second operating rod are respectively connected to two sides of the linkage plate.

In a possible implementation, the number of the latch shafts is two, and the jacking beam further includes: the linkage plate is arranged opposite to the bolt slide way and is provided with an arc-shaped linkage chute; each pin shaft is provided with a limiting rod extending along the radial direction, and the limiting rod penetrates through the linkage sliding groove and is connected with the linkage plate in a sliding manner; a support column is arranged between the two bolt shafts; and a third operating rod extending along the radial direction is arranged on the supporting column, penetrates through the linkage sliding groove and is in sliding connection with the linkage plate.

The invention also provides a climbing frame comprising the jacking cross beam in any one of the above.

The invention also provides a tower crane which comprises the climbing frame in any one of the above.

The invention has the beneficial effects that:

the jacking cross beam can be matched with the anti-drop holes of different hole positions through different bolt shafts, so that the same jacking cross beam can be used for adapting to standard step with the anti-drop holes of different hole positions, the universality is stronger, and the equipment cost is favorably reduced; in addition, only need during the use operate the bolt axle that corresponds stretch out can, need not to carry out the change operation to the complicacy, it is more convenient to use, is favorable to improving tower crane's lift festival efficiency.

Drawings

Fig. 1 is a schematic view of a jacking cross beam according to an embodiment of the present invention.

Fig. 2 is a comparison diagram of two standard steps with different hole locations according to an embodiment of the present invention.

Fig. 3 is a schematic view illustrating a partial structure of a jacking cross beam according to an embodiment of the present invention.

Fig. 4 is a schematic view of a jacking cross beam according to an embodiment of the present invention.

Fig. 5 is a schematic view illustrating a partial structure of a jacking cross beam according to an embodiment of the present invention.

Fig. 6 is a schematic view illustrating a partial structure of a jacking cross beam according to an embodiment of the present invention.

Fig. 7 is a diagram illustrating two operating states of a latch shaft of a jacking cross beam according to an embodiment of the present invention and two standard steps with different hole locations.

Fig. 8 is a schematic view illustrating a partial structure of a jacking cross beam according to an embodiment of the present invention.

Fig. 9 is a schematic view illustrating a partial structure of a jacking cross beam according to an embodiment of the present invention.

Fig. 10 is a schematic view illustrating a partial structure of a jacking cross beam according to an embodiment of the present invention.

Fig. 11 is a schematic view of a jacking cross beam according to an embodiment of the present invention.

Fig. 12 is a schematic view illustrating a partial structure of a jacking cross beam according to an embodiment of the present invention.

Fig. 13 is a schematic view illustrating a partial structure of a jacking cross beam according to an embodiment of the present invention.

Fig. 14 is a schematic view of a jacking cross beam according to an embodiment of the present invention.

Fig. 15 is a schematic view illustrating a partial structure of a jacking cross beam according to an embodiment of the present invention.

Fig. 16 is a schematic view of a jacking cross beam according to an embodiment of the present invention.

Fig. 17 is a schematic view illustrating an assembled state of a jacking cross beam and a standard step according to an embodiment of the present invention.

Fig. 18 is a schematic view illustrating a partial structure of a jacking cross beam according to an embodiment of the present invention.

Fig. 19 is a diagram illustrating a jacking cross beam according to an embodiment of the present invention and two standard steps with different hole locations.

Fig. 20 is a schematic view illustrating a partial structure of a jacking cross beam according to an embodiment of the present invention.

Fig. 21 is a schematic view illustrating a partial structure of a jacking cross beam according to an embodiment of the present invention.

Description of reference numerals:

1 jacking crossbeam, 10 jacking crossbeam main parts, 101 jacking axle, 102 mount pads, 103 bolt slide ways, 11 fixed plates, 111 bolt holes, 112 jacking axle holes, 121 bolt shafts, 1211 first bolt shafts, 1212 second bolt shafts, 1213 support columns, 1214 third operating levers, 1215 mounting groove, 122 gag lever post, 1221 first gag lever post, 1222 second gag lever post, 123 limiting plates, 1231 limiting chute, 1232 first chute, 1233 second chute, 1234 draw-in groove, 1235 first draw-in groove, 1236 second draw-in groove, 124 gangplate, 1241 linkage chute, 1242 first operating lever, 1243 second operating lever 211 standard knot step, 2111 anticreep hole, 2112 hitching groove.

Detailed Description

In the description of the present application, "plurality" means at least two, e.g., two, three, etc., unless explicitly specifically limited otherwise. All directional indicators in the embodiments of the present application (such as upper, lower, left, right, front, rear, top, bottom … …) are only used to explain the relative positional relationship between the components, the movement, etc. in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly. Furthermore, the terms "include" and "have," as well as any variations thereof, are intended to cover non-exclusive inclusions. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those steps or elements listed, but may alternatively include other steps or elements not listed, or inherent to such process, method, article, or apparatus.

Furthermore, reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

The invention provides a jacking cross beam which can be applied to a climbing frame of a tower crane, and the jacking cross beam has an anti-falling function when the jacking cross beam is connected to a standard step of the climbing frame.

As shown in fig. 1, the jacking cross member 1 includes a jacking cross member main body 10. In the extending direction of jacking crossbeam main part 10, the both ends of jacking crossbeam main part 10 all are equipped with jacking axle 101, and jacking axle 101 outwards bulge by the terminal surface of jacking crossbeam main part 10, when jacking crossbeam main part 10 was stepped 211 with the standard festival and is assembled, jacking axle 101 hung and is adorned in the groove 2112 that articulates on the standard festival is stepped 211. The two ends of the jacking cross beam main body 10 are respectively provided with a bolt slide way 103, each bolt slide way 103 is internally provided with at least two bolt shafts 121, and the bolt shafts 121 can slide out from the bolt slide ways 103; when the jacking crossbeam main body 10 is assembled with the standard step 211, the latch shaft 121 can be inserted into the anti-falling hole 2111 on the standard step 211 after sliding out from the latch slideway 103, so as to prevent the jacking crossbeam main body 10 from falling off from the standard step 211. The middle position of the jacking crossbeam main body 10 is also provided with a mounting seat 102 for connecting a jacking oil cylinder of the climbing frame.

Different plug shafts 121 respectively correspond to the anti-falling holes 2111 of different hole locations, for example, two standard step steps 211 with the anti-falling holes 2111 of different heights shown in fig. 2, when the jacking beam body 10 is assembled with different standard step steps 211, the corresponding plug shafts 121 can be operated to be matched with the anti-falling holes 2111 according to different hole locations of the anti-falling holes 2111.

It should be noted that the number of the latch shafts 121 in the present embodiment is not limited to the number shown in fig. 1, and may be set according to actual conditions, and the number of the latch shafts 121 may be two or another number greater than two.

Jacking crossbeam 1 in this embodiment, 211 of marking time can be adapted to the standard festival that has the anticreep hole 2111 of different hole sites, and the commonality is stronger, can be applied to the standard festival of different specifications and mark time 211, need not to mark time 211 to every kind of standard festival and dispose special anticreep device, is favorable to reducing equipment cost, only need during the assembly operate the corresponding bolt axle 121 can, simple convenient, be favorable to improving the efficiency of crane tower lift festival operation.

In some embodiments of the invention, as shown in fig. 1 and 3, the jacking beam 1 further comprises a fixing plate 11. The fixed plate 11 is used as a mounting substrate, and the fixed plate 11 is connected with the end part of the jacking crossbeam main body 10; the fixing plate 11 is provided with a latch hole 111, and the latch hole 111 is provided corresponding to the plurality of latch shafts 121. Wherein each latch shaft 121 may be outwardly extended through the latch hole 111 or inwardly retracted from the latch hole 111.

As shown in fig. 3 and 4, when the jacking crossbeam main body 10 is assembled with the standard knot, the end of the jacking crossbeam main body 10 is connected with the standard knot step 211 of the standard knot through the jacking shaft 101, the latch hole 111 corresponds to the anti-falling hole 2111 of the standard knot step 211, at this time, the latch shaft 121 can be operated to extend out from the latch hole 111 to the direction close to the standard knot step 211 and extend into the anti-falling hole 2111, so that the jacking crossbeam main body 10 is limited, and the stability of the jacking crossbeam main body 10 during jacking operation can be effectively improved.

In some embodiments of the present invention, as shown in fig. 3 and 4, the fixing plate 11 is provided with a jacking shaft hole 112, for example, the jacking shaft hole 112 is located above the pin hole 111, so that when the fixing plate 11 is connected to the jacking beam body 10, the fixing plate 11 can be sleeved on the jacking shaft 101 of the jacking beam body 10 through the jacking shaft hole 112, and the jacking shaft 101 can pass through the jacking shaft hole 112 and be hung in the hanging groove 2112 of the standard step 211. In addition, the fixing plate 11 can be limited by the end surface of the jacking crossbeam main body 10 and the standard step 211.

In some embodiments of the invention, as shown in fig. 4 and 5, the jacking crossbeam 1 further comprises a limit plate 123. The limiting plate 123 is located on one side of the fixing plate 11 facing the jacking crossbeam main body 10 and is opposite to the bolt slide way 103; the limit plate 123 is connected with the jacking crossbeam main body 10, and the sliding direction of the limit plate 123 is consistent with that of the latch shaft 121; the limiting plate 123 is provided with a plurality of limiting chutes 1231, the plurality of limiting chutes 1231 are all arranged along the extending direction of the jacking crossbeam main body 10, and the plurality of limiting chutes 1231 are arranged at intervals; each latch shaft 121 corresponds to one of the limit chutes 1231 such that the limit chutes 1231 form one-to-one correspondence with the latch shafts 121. Each pin shaft 121 is provided with a limiting rod 122 extending along the radial direction, and the limiting rod 122 penetrates through the corresponding limiting sliding groove 1231 and is in sliding fit with the corresponding limiting sliding groove 1231; the latch shaft 121 is driven to extend or retract by operating the limiting rod 122 to slide in the limiting sliding groove 1231. Wherein, gag lever post 122 can form the joint cooperation with spacing spout 1231 to it is spacing to form to the bolt axle 121, can prevent that bolt axle 121 from taking place the pine and taking off or rocking. Specifically, the limiting rod 122 may be a pin, a bolt, or other components, and the limiting rod 122 may be connected to the latch shaft 121 by welding, screwing, or other methods.

Further, as shown in fig. 5, both ends of each limiting chute 1231 are provided with a clamping groove 1234, and the clamping grooves 1234 extend downward. When the limiting rod 122 slides to the position of the clamping groove 1234 at any end of the limiting chute 1231, the limiting rod 122 can be clamped and matched with the clamping groove 1234 to limit the sliding of the limiting rod 122 in the limiting chute 1231. Wherein, can make gag lever post 122 and draw-in groove 1234 joint through rotating gag lever post 122, the joint can be relieved to the antiport gag lever post 122.

For example, as shown in fig. 6, the plurality of limiting sliding grooves 1231 specifically include a first sliding groove 1232 and a second sliding groove 1233, and correspondingly, the plurality of latch shafts 121 include a first latch shaft 1211 and a second latch shaft 1212. Specifically, the first and

second chutes

1232 and 1233 are arranged at intervals in the height direction, and the first chute 1232 is located above the second chute 1233; the first latch shaft 1211 is disposed to correspond to the first slide groove 1232, and the second latch shaft 1212 is disposed to correspond to the second slide groove 1233.

A first limiting rod 1221 is arranged on one side, facing the limiting plate 123, of the side wall of the first latch shaft 1211, and the first limiting rod 1221 penetrates through the first sliding groove 1232 and is in sliding fit with the first sliding groove 1232; two ends of the first sliding groove 1232 are respectively provided with a first clamping groove 1235 extending downwards, and when the first limiting rod 1221 slides to any end of the first sliding groove 1232, the first limiting rod 1221 can be clamped and matched with the corresponding first clamping groove 1235 by rotating the first limiting rod 1221, so that the first plug pin shaft 1211 is axially limited.

Similarly, a second limit rod 1222 is disposed on a side of the sidewall of the second latch shaft 1212 facing the limit plate 123, and the second limit rod 1222 passes through the second sliding groove 1233 and is slidably engaged with the second sliding groove 1233; two ends of the second sliding groove 1233 are respectively provided with a second engaging groove 1236 extending downward, and when the second limiting rod 1222 slides to any end of the second sliding groove 1233, the second limiting rod 1222 and the corresponding second engaging groove 1236 can be clamped by rotating the second limiting rod 1222, so as to axially limit the second plug pin shaft 1212.

As shown in fig. 6 and 7, when the jacking crossbeam main body 10 is assembled on the standard joint, the latch shaft 121 corresponding to the anti-falling hole 2111 on the standard joint step 211 can be selected to extend out and be inserted into the anti-falling hole 2111 to form matching.

Specifically, as shown in fig. 8, when the first plug shaft 1211 is aligned with the anti-falling hole 2111, the first limiting rod 1221 is operated to slide in the first sliding groove 1232, so as to drive the first plug shaft 1211 to extend out from the plug hole 111 (in the state shown in fig. 8) and extend into the anti-falling hole 2111, thereby forming a locking state, at this time, the first limiting rod 1221 slides to the left end of the first sliding groove 1232, and the first limiting rod 1221 can be rotated downward, so that the first limiting rod 1221 is in clamping fit with the corresponding first clamping groove 1235, so as to axially limit the first plug shaft 1211; when the jacking beam main body 10 needs to be disassembled, the first limiting rod 1221 can be rotated upwards to release the clamping fit between the first limiting rod 1221 and the first clamping groove 1235, and then the first limiting rod 1221 is operated to slide inwards to drive the first plug pin 1211 to be pulled out from the anti-falling hole 2111, so that the locking state is released.

Similarly, as shown in fig. 9, when the second latch shaft 1212 is aligned with the anti-falling hole 2111, the second latch shaft 1212 is driven to extend from the latch hole 111 (in the state shown in fig. 9) by operating the second limiting rod 1222 to slide in the second sliding groove 1233, and is inserted into the anti-falling hole 2111, so as to form a locked state, at this time, the second limiting rod 1222 slides to one end of the second sliding groove 1233 close to the standard joint step 211, and the second limiting rod 1222 is rotated downward, so that the second limiting rod 1222 is in clamping fit with the corresponding second clamping groove 1236, so as to axially limit the second latch shaft 1212; when jacking crossbeam main part 10 is dismantled to needs, can rotate second gag lever post 1222 upwards earlier, remove the joint cooperation between second gag lever post 1222 and the second draw-in groove 1236, operate second gag lever post 1222 inward sliding again, drive second bolt axle 1212 and take out in anticreep hole 2111, remove the locking state.

When the jacking beam body 10 is in the unassembled state, the first latch shaft 1211 and the second latch shaft 1212 can be retracted (in the state shown in fig. 10) by operating the first limiting rod 1221 and the second limiting rod 1222, at this time, the first limiting rod 1221 is located at one end of the first sliding groove 1232 away from the standard joint step 211, the second limiting rod 1222 is located at one end of the second sliding groove 1233 away from the standard joint step 211, the first limiting rod 1221 and the second limiting rod 1222 can be rotated downward, the first limiting rod 1221 is clamped with the corresponding first clamping groove 1235, the second limiting rod 1222 is clamped with the corresponding second clamping groove 1236, and the first latch shaft 1211 and the second latch shaft 1212 are kept stable.

Further, as shown in fig. 7, the pin hole 111 is embodied as a kidney-shaped hole and is provided in the height direction to fit the coming-off preventing holes 2111 of different heights. The first latch shaft 1211 and the second latch shaft 1212 are both of a structure having a non-circular cross-sectional shape, and the first latch shaft 1211 and the second latch shaft 1212 are both located on opposite sides of a plane, so that the shapes of the first latch shaft 1211 and the second latch shaft 1212 are adapted to the latch hole 111, and the first latch shaft 1211 and the second latch shaft 1212 can normally rotate in the latch shafts, so as to be engaged with each other.

In some embodiments of the present invention, as shown in fig. 11 and 12, the number of the latch shafts 121 and the limiting chutes 1231 is two, and the jacking beam 1 further includes a linkage plate 124. The linkage plate 124 is arranged opposite to the bolt slide way 103 and is specifically positioned on one side of the limiting plate 123 departing from the bolt shaft; an arc-shaped linkage sliding groove 1241 is arranged on the linkage plate 124, and the limiting rod penetrates through the linkage sliding groove 1241 and is in sliding connection with the linkage plate 124. The linking sliding chute 1241 is adapted to the limiting sliding chute, for example, the size and shape of the linking sliding chute 1241 are designed and calculated according to the size parameters of the limiting sliding chute, so that the two latch shafts 121 can be linked under the action of an external force and the linking plate 124 and respectively slide in the linking sliding chute 1241. In order to reduce the occupied space, the linkage plate 124 may also be an arc structure adapted to the linkage chute 1241.

For example, as shown in fig. 13 and 14, the plurality of latch shafts 121 includes a first latch shaft 1211 and a second latch shaft 1212, and the plurality of limiting chutes 1231 includes a first chute 1232 and a second chute 1233; a first limiting rod 1221 extending along the radial direction is arranged on the side wall of the first latch shaft 1211, and the first limiting rod 1221 penetrates through the first sliding groove 1232 and is in sliding fit with the first sliding groove 1232; a second limit rod 1222 extending along the radial direction is disposed on the sidewall of the second latch shaft 1212, and the second limit rod 1222 passes through the second sliding groove 1233 and is slidably engaged with the second sliding groove 1233.

When the jacking beam main body 10 is assembled on a standard knot, if the first latch shaft 1211 is aligned with the anti-falling hole 2111 of the standard knot step 211, the first latch shaft 1211 is operated to extend out and be inserted into the anti-falling hole 2111, at this time, the first limit rod 1221 slides to one end of the first sliding groove 1232 close to the standard knot step 211, and meanwhile, the first limit rod 1221 also slides to one end of the first sliding groove 1241; since the end of the second latch shaft 1212 is blocked by the standard step 211 from protruding, the second stopper rod 1222 slides toward the other end of the link chute 1241 by the link plate 124, so that the second latch shaft 1212 is maintained in the latch hole 111 not to protrude outward, as shown in fig. 13. Similarly, as shown in fig. 15 and 16, if the second latch shaft 1212 is aligned with the escape prevention hole 2111 of the standard step 211, the second latch shaft 1212 is operated to be extended and inserted into the escape prevention hole 2111, at which time the second stopper rod 1222 is slid to one end of the second slide groove 1233 near the standard step 211 while the second stopper rod 1222 is also slid to one end thereof in the interlocking slide groove 1241; since the end of the first latch shaft 1211 is blocked by the standard step 211 not to be extended, the first stopper rod 1221 slides toward the other end of the link chute 1241 by the link plate 124, so that the first latch shaft 1211 is maintained in the latch hole 111 not to be extended outward, as shown in fig. 14.

When the jacking beam body 10 is in the unassembled state, the first latch shaft 1211 can be operated to slide towards one end of the first sliding groove 1232 away from the standard step 211, and the second latch shaft 1212 can be operated to slide towards one end of the second sliding groove 1233 away from the standard step 211, at this time, the linkage plate 124 is driven by the first limiting rod 1221 and the second limiting rod 1222 to move towards the direction away from the standard step 211, and both the first latch shaft 1211 and the second latch shaft 1212 are in the retracted state, as shown in fig. 12.

Further, as shown in fig. 12 and 13, a first operating rod 1242 and a second operating rod 1243 are further disposed on the linkage plate 124. Specifically, the first operating rod 1242 and the second operating rod 1243 are respectively connected to both sides of the linkage plate 124, and the first operating rod 1242 is located at a side where an arc of the linkage chute 1241 protrudes, and the second operating rod 1243 is located at a side where the arc of the linkage chute 1241 is recessed. The first operating rod 1242 and the second operating rod 1243 are both fixedly connected (e.g., welded) to the linkage plate 124, so as to apply an external force to the linkage plate 124, wherein the external force is applied to the first operating rod 1242 to drive one of the first latch shaft 1211 and the second latch shaft 1212, which is aligned with the anti-falling hole 2111, to extend outward, or the external force is applied to the second operating rod 1243 to drive the latch shaft 121 in the extended state to retract inward from the latch hole 111.

In the using process, it is not necessary to manually determine which latch shaft 121 the anti-falling hole 2111 is aligned with, and only when the jacking beam body 10 is assembled on the standard knot, thrust is applied through the first operating rod 1242, if the first latch shaft 1211 is aligned with the anti-falling hole 2111, the first latch shaft 1211 extends out and is inserted into the anti-falling hole 2111, the second latch shaft 1212 is automatically retracted under the driving of the linkage plate 124, otherwise, if the second latch shaft 1212 is aligned with the anti-falling hole 2111, the second latch shaft 1212 extends out and is inserted into the anti-falling hole 2111, and the first latch shaft 1211 is automatically retracted under the driving of the linkage plate 124. Through the jacking crossbeam 1 in this embodiment, can further simplify the operation process of bolt mechanism 12, reduce the degree of difficulty of assembly operation, be favorable to further improving tower crane's lift festival efficiency.

Another implementation of the jacking crossbeam 1 is provided in some embodiments of the present invention, as shown in fig. 17 and 18, the jacking crossbeam 1 further includes a linkage plate 124 and a support column 1213. The linkage plate 124 is arranged opposite to the bolt slide way 103, and an arc-shaped linkage sliding groove 1241 is arranged on the linkage plate 124. The number of the latch shafts 121 is two, a limiting rod 122 extending along the radial direction is arranged on the side wall of each latch shaft 121, and the limiting rod 122 penetrates through the linkage chute 1241 and is connected with the linkage plate 124 in a sliding manner. The supporting column 1213 is disposed between the two latch shafts 121, the supporting column 1213 is disposed along the extending direction of the latch shafts 121, and a third operating rod 1214 extending in the radial direction is disposed on the side wall of the supporting column 1213, and the third operating rod 1214 passes through the linking sliding groove 1241 and is slidably connected to the linking plate 124. The linkage plate 124 can be pushed or pulled by the third operating rod 1214, so that the two limiting rods 122 respectively slide in the linkage chutes 1241 under the action of the external force and the linkage plate 124, and further the limiting rods 122 are driven to extend outwards or retract inwards.

For example, as shown in fig. 17 to 19, the plurality of latch shafts 121 specifically include a first latch shaft 1211 and a second latch shaft 1212, and the support column 1213 is located between the first latch shaft 1211 and the second latch shaft 1212; a first limiting rod 1221 extending in the radial direction is arranged on one side, facing the linkage plate 124, of the side wall of the first latch shaft 1211, a second limiting rod 1222 extending in the radial direction is arranged on one side, facing the linkage plate 124, of the side wall of the second latch shaft 1212, a third operating rod 1214 extending in the radial direction is arranged on one side, facing the linkage plate 124, of the side wall of the support column 1213, and the first limiting rod 1221, the second limiting rod 1222 and the third operating rod 1214 pass through the linkage sliding groove 1241 and form sliding connection with the linkage plate 124. The third operating rod 1214 is used for applying an external force to push or pull the linkage plate 124, and when the linkage plate 124 moves under the action of the external force, the first limiting rod 1221 and the second limiting rod 1222 are driven to move correspondingly, so that the first latch shaft 1211 and the supporting column 1213 extend out of the latch hole 111, or the second latch shaft 1212 and the supporting column 1213 extend out of the latch hole 111.

Further, as shown in fig. 19, the pin hole 111 is a kidney-shaped hole and is provided in the height direction; the cross-sectional shapes of the first pin shaft 1211 and the second pin shaft 1212 are both non-full circular, and the sides of the first pin shaft 1211 opposite to the second pin shaft 1212 are both flat to match the shape of the pin hole 111. The plane of the first pin shaft 1211 facing the second pin shaft 1212 is provided with a mounting groove 1215, the plane of the second pin shaft 1212 facing the first pin shaft 1211 is also provided with a mounting groove 1215, the two mounting grooves 1215 are correspondingly arranged, the extending direction of the mounting grooves 1215 is the same as the sliding direction of the supporting column 1213, and the supporting column 1213 is positioned in the two mounting grooves 1215 and can slide relative to the mounting grooves 1215. Because the cross sections of the first pin shaft 1211 and the second pin shaft 1212 are non-whole circles, the support columns 1213 can be inserted into the anti-falling holes 2111 when the first pin shaft 1211 or the second pin shaft 1212 is extended out and matched with the anti-falling holes 2111, so that the overall cross section area of the pin shafts is increased, and the connection strength is improved.

It can be understood that when the tower crane performs the lifting joint operation, the jacking cross beam main body 10 needs to bear a larger force, and the larger the cross-sectional area of the bolt shaft is, the larger the force can be borne.

When the jacking beam main body 10 is assembled on the standard knot, as shown in fig. 19 and 20, the supporting column 1213 is pushed to extend outward by applying an external force through the third operating rod 1214, so as to drive the linkage plate 124 to operate correspondingly, and further, the first limiting rod 1221 and the second limiting rod 1222 slide in the linkage sliding groove 1241 respectively. If the first pin shaft 1211 is aligned with the anti-falling-off hole 2111, under the driving of the linkage plate 124, the first limiting rod 1221 slides towards the direction close to the pin hole 111, and drives the first pin shaft 1211 to extend out, and the second limiting rod 1222 slides towards the direction away from the pin hole 111, and drives the second pin shaft 1212 to keep the retracted state, as shown in fig. 20, at this time, the first pin shaft 1211 and the supporting column 1213 extend into the anti-falling-off hole 2111 together; if the second latch shaft 1212 is aligned with the anti-falling-off hole 2111, under the driving of the linkage plate 124, the second limiting rod 1222 slides towards the direction close to the latch hole 111, and drives the second latch shaft 1212 to extend, and the first limiting rod 1221 slides towards the direction away from the latch hole 111, and drives the first latch shaft 1211 to keep the retracted state, as shown in fig. 18, at this time, the second latch shaft 1212 and the supporting column 1213 extend out of the anti-falling-off hole 2111 together.

When the jacking crossbeam main body 10 is in a non-assembly state, an external force is applied through the third operating rod 1214 to pull the supporting column 1213 to retract, so that the linkage plate 124 is driven to move correspondingly, and at this time, the latch shaft 121 in the extended state and the supporting column are also retracted inwards under the driving of the linkage plate 124, as shown in a state of fig. 21.

Further, as shown in fig. 19, the cross-sectional shape of the supporting column 1213 is rectangular, and correspondingly, the shape of the mounting groove 1215 is adapted to the shape of the supporting column 1213, and is also a rectangular groove, so that on one hand, the limited space can be fully utilized, the cross-sectional area of the pin shaft can be increased as much as possible, and on the other hand, the pin shaft can be processed conveniently. Of course, the sectional shape of the support columns 1213 is not limited to the example in the present embodiment, and the sectional shape of the support columns 1213 may also be circular or other shapes.

It should be noted that the arrangement manner of the plurality of latch shafts 121 of the jacking cross beam 1 of the present invention is not limited to the example in the above embodiment, and the plurality of latch shafts 121 may be arranged at intervals in the height direction, may be arranged at intervals in the horizontal direction, or may be arranged at intervals in a certain inclined direction, and specifically may be arranged according to the hole positions of the anti-drop holes 2111 of the standard step 211, so as to meet the requirements of the anti-drop holes 2111 of different hole positions, and thus may be adapted to the standard steps 211 of different sizes.

In one embodiment of the invention, a climbing frame is provided and can be applied to a tower crane.

The climbing frame comprises the jacking cross beam 1 in any one of the embodiments, and when the jacking cross beam 1 is assembled with the standard knot, the anti-falling function of the jacking cross beam 1 can be realized through the matching of the bolt shaft 121 and the anti-falling hole 2111 of the standard knot step 211.

The climbing frame in this embodiment also has all the beneficial effects of the jacking cross beam 1 in any of the above embodiments, and is not described herein again.

In an embodiment of the invention, the tower crane comprises the climbing frame in any embodiment, and the lifting joint operation can be performed through the climbing frame.

The tower crane in this embodiment also has all the beneficial effects of the climbing frame in any one of the above embodiments, and details are not repeated herein.

The basic principles of the present invention have been described above with reference to specific embodiments, but it should be noted that the advantages, effects, etc. mentioned in the present invention are only examples and are not limiting, and the advantages, effects, etc. must not be considered to be possessed by various embodiments of the present invention. Furthermore, the foregoing disclosure of specific details is for the purpose of illustration and description and is not intended to be limiting, since the invention is not limited to the specific details described above.

The block diagrams of devices, apparatuses, systems involved in the present invention are only given as illustrative examples and are not intended to require or imply that the connections, arrangements, configurations, etc. must be made in the manner shown in the block diagrams. These devices, apparatuses, devices, systems may be connected, arranged, configured in any manner, as will be appreciated by those skilled in the art. Words such as "including," "comprising," "having," and the like are open-ended words that mean "including, but not limited to," and are used interchangeably therewith. The words "or" and "as used herein mean, and are used interchangeably with, the word" and/or, "unless the context clearly dictates otherwise. The word "such as" is used herein to mean, and is used interchangeably with, the phrase "such as but not limited to".

It is further noted that in the apparatus and device of the present invention, the components may be disassembled and/or reassembled. These decompositions and/or recombinations are to be regarded as equivalents of the present invention.

The previous description of the disclosed aspects is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these aspects will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other aspects without departing from the scope of the invention. Thus, the present invention is not intended to be limited to the aspects shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

The present invention is not limited to the above preferred embodiments, and any modifications, equivalents and the like within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A jacking crossbeam (1), characterized in that includes:

the jacking cross beam comprises a jacking cross beam body (10), wherein jacking shafts (101) are convexly arranged at two ends of the jacking cross beam body (10), and the jacking shafts (101) are used for being hung in hanging grooves (2112) of standard joint steps (211);

the middle of the jacking cross beam main body (10) is provided with a mounting seat (102), and the mounting seat (102) is used for connecting a jacking oil cylinder of the climbing frame;

two ends of the jacking cross beam main body (10) are provided with bolt slideways (103);

at least two bolt shafts (121) are arranged in the bolt slide ways (103) in a sliding mode, and the bolt shafts (121) are used for outwards sliding out and being inserted into anti-falling holes (2111) of the standard step (211).

2. Jacking crossbeam (1) according to claim 1, further comprising:

the jacking cross beam comprises a fixing plate (11), wherein a bolt hole (111) is formed in the fixing plate (11), and the fixing plate (11) is connected with the end part of the jacking cross beam main body (10);

the bolt shaft (121) is used for sliding outwards, passing through the bolt hole (111) and inserting into the anti-falling hole (2111) of the standard step (211).

3. Jacking crossbeam (1) according to claim 2,

the fixed plate (11) is also provided with a jacking shaft hole (112);

the jacking shaft (101) is used for penetrating through the jacking shaft hole (112) and being hung in the hanging groove (2112) of the standard joint step (211).

4. Jacking crossbeam (1) according to any of claims 1 to 3, further comprising:

the limiting plate (123) is arranged opposite to the bolt slide way (103), the limiting plate (123) is connected with the jacking crossbeam main body (10), limiting chutes (1231) which are in one-to-one correspondence with the bolt shafts (121) are arranged on the limiting plate (123) along the extending direction of the jacking crossbeam main body (10), and the limiting chutes (1231) are arranged at intervals;

each pin shaft (121) is provided with a limiting rod (122) extending along the radial direction, and the limiting rod (122) penetrates through the corresponding limiting sliding groove (1231) and is in sliding fit with the limiting sliding groove (1231).

5. Jacking crossbeam (1) according to claim 4,

both ends of the limiting sliding groove (1231) are provided with clamping grooves (1234) extending downwards;

the limiting rod (1221) can be matched with the clamping groove (1234) in a clamping mode.

6. Jacking crossbeam (1) according to claim 5, characterised in that the number of latch shafts (121) is two and the number of limit runners (1231) is two;

the jacking cross beam (1) further comprises a linkage plate (124) arranged opposite to the bolt slide way (103), and the linkage plate (124) is provided with an arc-shaped linkage sliding groove (1241);

the limiting rod (1221) penetrates through the corresponding limiting sliding groove (1231) and the corresponding linkage sliding groove (1241) and is connected with the linkage plate (124) in a sliding mode.

7. Jacking crossbeam (1) according to claim 6,

two sides of the linkage plate (124) are respectively connected with a first operating rod (1242) and a second operating rod (1243).

8. Jacking crossbeam (1) according to any of claims 1 to 3, characterised in that the number of the latch shafts (121) is two, the jacking crossbeam (1) further comprising a linkage plate (124) arranged opposite the latch runner (103), the linkage plate (124) being provided with an arc-shaped linkage chute (1241);

each latch shaft (121) is provided with a limiting rod (122) extending along the radial direction, and the limiting rod (1221) penetrates through the linkage sliding groove (1241) and is connected with the linkage plate (124) in a sliding manner;

a support column (1213) is arranged between the two bolt shafts (121); a third operating rod (1214) extending along the radial direction is arranged on the supporting column (1213), and the third operating rod (1214) passes through the linkage sliding groove (1241) and is connected with the linkage plate (124) in a sliding manner.

9. Climbing frame, characterized in that it comprises a jacking crossbeam (1) according to any one of claims 1 to 8.

10. A tower crane comprising a climbing frame according to claim 9.