CN217867695U

CN217867695U - Dual-purpose crane and aerated concrete production line

Info

Publication number: CN217867695U
Application number: CN202222144658.2U
Authority: CN
Inventors: 许杰; 黄勃; 梁杰; 唐修国
Original assignee: Hunan Sany Kuaierju Housing Industry Co Ltd
Current assignee: Hunan Sany Kuaierju Housing Industry Co Ltd
Priority date: 2022-08-15
Filing date: 2022-08-15
Publication date: 2022-11-22
Anticipated expiration: 2032-08-15

Abstract

The utility model relates to a building material produces technical field, concretely relates to dual-purpose loop wheel machine and aerated concrete production line. The dual-purpose loop wheel machine includes: the walking part is suitable for walking along a preset direction; the lifting arms are arranged below the walking part and can perform lifting motion relative to the walking part, and each lifting arm is provided with a clamping piece for clamping an object; the connecting beam is fixedly connected with at least two lifting arms which are oppositely arranged, a clamping assembly for clamping an object is arranged on the connecting beam, and the clamping direction of the clamping assembly is vertical to the clamping direction of the lifting arms; wherein, when one of the clamping piece and the clamping assembly is in a clamping state, the other one is in a yielding state. The clamping piece or the clamping assembly is selected to be used for clamping according to the actual state of the object, the clamping piece and the clamping assembly are arranged on the same crane, the objects in different states can be lifted without using two different cranes, and the equipment cost is favorably reduced.

Description

Dual-purpose crane and aerated concrete production line

Technical Field

The utility model relates to a building material produces technical field, concretely relates to dual-purpose loop wheel machine and aerated concrete production line.

Background

With the development of ALC (automatic light Concrete) technology, a new production process, namely a transverse-cutting vertical-steaming production process, appears, at a semi-finished product crane station, a crane does not only hoist a bottom plate and a blank body, but also hoists a steam curing frame and the blank body, under the two conditions, the width dimension and the height dimension of a hoisted part have large difference, and hoisting work cannot be completed by using one traditional crane. At present, most domestic manufacturers put two cranes on the same bent frame and respectively lift the bottom plate and the blank adding body and the steam curing frame and the blank adding body.

However, the method of arranging two cranes not only affects the production rhythm, but also is quite tedious to use, and greatly increases the equipment cost.

SUMMERY OF THE UTILITY MODEL

Therefore, the to-be-solved technical problem of the utility model lies in overcoming the loop wheel machine among the prior art and can't realize hoisting the bottom plate and add the body, can hoist and mount again and evaporate the defect that supports the frame and add the body to a dual-purpose loop wheel machine and aerated concrete production line are provided.

In order to solve the above problem, the utility model provides a dual-purpose loop wheel machine, include: the walking part is suitable for walking along a preset direction; the lifting arms are arranged below the walking part, each lifting arm can perform lifting motion relative to the walking part, and each lifting arm is provided with a clamping piece for clamping an object; the connecting beam is fixedly connected with at least two lifting arms which are oppositely arranged, a clamping assembly for clamping an object is arranged on the connecting beam, and the clamping direction of the clamping assembly is vertical to the clamping direction of the lifting arms; wherein, when one of the clamping piece and the clamping assembly is in a clamping state, the other one is in a yielding state.

Optionally, the clamping assembly comprises: the support is fixedly connected with the connecting beam, and the extending direction of the support is vertical to the length direction of the connecting beam; and the two hooks are respectively and rotatably arranged at two ends of the support in the length direction.

Optionally, the number of the clamping assemblies is at least two, and the at least two clamping assemblies are arranged at intervals along the length direction of the connecting beam.

Optionally, the clamping member is telescopically arranged at the bottom of the lifting arm, when the clamping member extends out, the clamping member is in a clamping state, and when the clamping member retracts, the clamping member is in a yielding state.

Optionally, each lifting arm is provided with a clamping driving portion, and the clamping driving portion is connected with the clamping piece to drive the clamping piece to stretch.

Optionally, each lifting arm comprises: the lifting arm comprises a first arm support and a second arm support, wherein the second arm support is slidably sleeved on the inner side of the first arm support so that the lifting arm can extend and retract along the vertical direction.

Optionally, the dual-purpose loop wheel machine still includes two at least fixed arms, fixed arm and walking portion fixed connection and extend along vertical direction, and at least one lifting arm sets up on a fixed arm liftable ground.

Optionally, each lifting arm further comprises a guide mechanism disposed between the lifting arm and the fixed arm to provide guidance for the lifting movement of the lifting arm, and/or the dual-purpose crane further comprises a synchronization mechanism cooperating with the fixed arm and connected to the connecting beam and/or the two lifting arms to synchronize the movement of the two lifting arms.

Optionally, be provided with first loose pulley assembly on the tie-beam, be provided with second loose pulley assembly on the walking portion, the winding has wire rope on first loose pulley assembly and the second loose pulley assembly, and dual-purpose loop wheel machine still includes: and the rope loosening detection device is arranged on the second pulley assembly to detect the tightness degree of the steel wire rope.

The utility model also provides an aerated concrete production line, include: the dual-purpose crane.

The utility model has the advantages of it is following:

1. the lifting arm is lifted relative to the walking part to lift the object, the subsequent transportation of the object through the walking part is facilitated, the clamping direction of the clamping assembly on the connecting beam is perpendicular to the clamping direction of the lifting arm, the clamping assembly can clamp the object from two different directions respectively, the clamping assembly or the clamping assembly can be selected to be used for clamping according to the actual state of the object, the clamping assembly and the clamping assembly are arranged on the same crane, the lifting of the object in different states can be achieved without using two different cranes, the production rhythm is accelerated, the use is convenient, and the equipment cost is reduced.

2. Through the rotation of couple, realize the centre gripping subassembly and switch between clamping condition and the state of stepping down, when need not use clamping assembly centre gripping object, the clamping assembly switches to the state of stepping down by the clamping condition, and the couple upwards rotates to tie-beam department, avoids when holder centre gripping object, and couple and object take place to interfere, and the support is simple and the reliability of the structural style of couple is high, and switching between the different states is simple and convenient, easily operation.

3. At least two centre gripping subassemblies set up along the length direction interval of tie-beam, stability when having increased the centre gripping object effectively avoids the object to take place to rock when being hoisted, guarantees the security of transportation.

4. The second arm support is slidably sleeved on the inner side of the first arm support, so that the lifting arm can stretch out and retract along the vertical direction according to actual requirements, the length of the lifting arm can be adjusted, when the lifting arm is required to clamp an object, the second arm support stretches out to meet the size requirement of the object, and when the lifting arm is not required to clamp the object, the second arm support retracts to avoid interference with other structures.

5. The guiding mechanism is arranged between the lifting arm and the fixed arm to provide guidance for lifting movement of the lifting arm, prevent the lifting arm from deviating in the lifting process and increase the stability of the lifting process.

6. Through the effect of synchronizing mechanism, make two lifting arm synchronous motion, guarantee the uniformity that two lifting arms go up and down, place the handling object in-process and appear rocking.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 shows a schematic structural diagram of a dual-purpose crane according to an embodiment of the present invention;

fig. 2 is a schematic front view of a dual-purpose crane according to an embodiment of the present invention;

FIG. 3 shows a schematic top view of the dual purpose crane of FIG. 2;

FIG. 4 shows a schematic left side view of the dual purpose crane of FIG. 2;

fig. 5 shows a schematic structural view of a connection beam and a clamping assembly according to an embodiment of the present invention;

fig. 6 shows a schematic structural view of a lifting arm according to an embodiment of the invention;

fig. 7 is a schematic structural view of a walking part according to an embodiment of the present invention.

Description of the reference numerals:

10. a traveling section; 20. a lift arm; 21. a clamping member; 22. a clamping drive section; 23. a first arm support; 24. a second arm support; 25. a guide mechanism; 26. a telescopic driving part; 27. a slider assembly; 30. a connecting beam; 31. a first sheave assembly; 32. a connecting member; 40. a clamping assembly; 41. a support; 42. hooking; 50. a fixed arm; 60. a synchronizing shaft; 70. a support assembly; 81. a lifting mechanism; 82. a second sheave assembly; 83. rope slacking detection device.

Detailed Description

The technical solutions of the present invention will be described more clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected" and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.

Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.

The crane can be used for lifting objects such as ALC (automatic light weight Concrete) and the like, in the transverse cutting-vertical steaming production process of the ALC, the crane not only needs to hoist a base plate and a blank body, but also needs to hoist the blank body after being turned over for 90 degrees and a steam curing frame, generally, the size of the base plate and the blank body is narrow and high, the size of the steam curing frame and the blank body is wide and low, so the requirements on the structure of a lifting part of the crane are different, two cranes with different models are generally used for lifting in the prior art, the structure is complex, and the operation is inconvenient.

In order to solve the above problem, as shown in fig. 1 to 7, the present embodiment provides a dual purpose crane including: the lifting device comprises a walking part 10, at least two lifting arms 20 and a connecting beam 30, wherein the walking part 10 is suitable for walking along a preset direction; the lifting arms 20 are arranged below the walking part 10, each lifting arm 20 can perform lifting motion relative to the walking part 10, and a clamping piece 21 for clamping an object is arranged on each lifting arm 20; the connecting beam 30 is fixedly connected with at least two opposite lifting arms 20, a clamping assembly 40 for clamping objects is arranged on the connecting beam 30, and the clamping direction of the clamping assembly 40 is vertical to that of the lifting arms 20; wherein one of the clamp 21 and the clamp assembly 40 is in a clamped state and the other is in a yield state.

Use the dual-purpose loop wheel machine of this embodiment, it lifts and falls to realize lifting by crane the object for walking portion 10 through lifting arm 20, it realizes the transportation to the object to be convenient for follow-up walking through walking portion 10, and the centre gripping direction through setting up clamping component 40 on the tie-beam 30 is perpendicular with lifting arm 20's centre gripping direction, holder 21, clamping component 40 can follow two different directions respectively and carry out the centre gripping to the object, thereby can select to use holder 21 or clamping component 40 to carry out the centre gripping according to the actual state of object, set up holder 21 and clamping component 40 on same loop wheel machine, need not to use two different loop wheel machines to realize lifting by crane the object of different states, accelerate the production beat, high durability and convenient use, and be favorable to reducing equipment cost.

It should be noted that the preset direction refers to a traveling direction of the dual-purpose crane during transferring the object; downward refers to the direction in which the arrow in FIG. 1 points "down"; the clamping piece 21 has a first clamping state for clamping an object and a first yielding state for yielding the object, the clamping assembly 40 has a second clamping state for clamping the object and a second yielding state for yielding the object, one of the clamping piece 21 and the clamping assembly 40 is in the clamping state and the other one is in the yielding state, which means that when the clamping piece 21 is in the first clamping state, the clamping assembly 40 is in the second yielding state, and when the clamping assembly 40 is in the second clamping state, the clamping piece 21 is in the first yielding state.

Specifically, the clamping member 21 on the lifting arm 20 is used for clamping a bottom plate and a blank body (corresponding to a horizontal steaming process), and the clamping assembly 40 is used for clamping a steam-curing frame and a blank body (corresponding to a vertical steaming process), so that the use requirements of the horizontal steaming process and the vertical steaming process can be met simultaneously. The gripping direction of the lift arm 20 is parallel to the "length direction" indicated by the arrow in fig. 1, and the gripping direction of the gripping assembly 40 is parallel to the "width direction" indicated by the arrow in fig. 1, such that the gripping direction of the gripping assembly 40 is perpendicular to the gripping direction of the lift arm 20.

In the present embodiment, the clamping assembly 40 includes: the support 41 is fixedly connected with the connecting beam 30, the extending direction of the support 41 is perpendicular to the length direction of the connecting beam 30, wherein the extending direction of the support 41 is the width direction indicated by an arrow in fig. 1, and the length direction of the connecting beam 30 is the length direction indicated by an arrow in fig. 1; two hooks 42 are respectively and rotatably arranged at two ends of the length direction of the support 41, the clamping assembly 40 is switched between a clamping state and a yield state through the rotation of the hooks 42, when the clamping assembly 40 is used for clamping an object, the clamping assembly 40 is in the clamping state, the hooks 42 are in the vertical direction indicated by arrows in figure 1, the two hooks 42 hook the bottom of the steam-curing frame, and therefore the structure for clamping the steam-curing frame and the blank body is realized, when the clamping assembly 40 is not needed for clamping the object, the clamping assembly 40 is switched to the yield state from the clamping state, the hooks 42 upwards rotate to the connecting beam 30, the interference between the hooks 42 and the object is avoided when the clamping assembly 21 clamps the object, the structural form of the support and the hooks is simple and high in reliability, and the switching between different states is simple and convenient and easy to operate. It should be noted that the distance between the two hooks 42 is greater than the dimension of the blank in the direction, so that the hooks 42 do not interfere with the blank when the clamping assembly 40 rotates from the abdicating state to the clamping state; meanwhile, the distance between the two hooks 42 is smaller than the dimension of the steam-curing frame along the width direction indicated by the arrow in fig. 1, but the steam-curing frame is provided with a yielding part for the hooks 42 to pass through in the process that the clamping assembly 40 rotates from the yielding state to the clamping state, and after the clamping assembly 40 is switched to the clamping state, the hooks 42 are clamped with the steam-curing frame, so that the hooks 42 cannot interfere with the steam-curing frame in the process that the clamping assembly 40 rotates from the yielding state to the clamping state.

In this embodiment, the quantity of centre gripping subassembly 40 is two at least, and two at least centre gripping subassemblies 40 set up along the length direction interval of tie-beam 30, and stability when having increased the centre gripping object effectively avoids the object to take place to rock when being hung, guarantees the security of transfer process.

Preferably, a driving component such as a driving oil cylinder or a driving motor is disposed on the bracket 41 to drive the bracket 41 to rotate, so as to improve the automation degree, and it can be understood that, as an alternative embodiment, the bracket 41 may be directly rotated manually without disposing a driving component, and the switching between the abdicating state and the clamping state of the clamping assembly 40 may also be achieved.

In this embodiment, the clamping member 21 is telescopically disposed at the bottom of the lifting arm 20, when the clamping member 21 is extended, the clamping member 21 is in a clamping state for supporting and clamping the bottom plate, and when the clamping member 21 is retracted, the clamping member 21 is in a abdicating state to avoid interference with the object. Wherein, the bottom refers to an end in a direction of "down" indicated by an arrow in fig. 1; the clamping pieces 21 extend out of the bottoms of the lifting arms 20 in the direction of the object, the clamping pieces 21 retract, namely, move in the direction of the object away from the bottom of the lifting arms 20, the clamping pieces 21 are arranged at the bottom of each lifting arm 20, the object is located between the two lifting arms 20, and the two clamping pieces 21 act together to clamp the object, so that stability is improved.

In this embodiment, each lifting arm 20 is provided with a clamping driving portion 22, the clamping driving portion 22 is connected with the clamping member 21 to drive the clamping member 21 to extend and retract, the clamping member 21 is driven to extend and retract by the clamping driving portion 22, the operation is convenient, and the automation degree is high. It is understood that, as an alternative embodiment, the clamp driving portion 22 may not be provided, and the clamp 21 may be extended or contracted by manual operation.

Preferably, the clamping driving portion 22 is a driving component such as an electric push rod or an oil cylinder, and the electric push rod or the oil cylinder is common, low in cost and high in automation degree.

In the present embodiment, each lift arm 20 includes: the lifting arm 20 can extend and retract the second arm support 24 according to actual requirements, so that the length of the lifting arm 20 can be adjusted, when the lifting arm 20 is required to clamp an object, the second arm support 24 extends out to meet the size requirement of the object, and when the lifting arm 20 is not required to clamp the object, the second arm support 24 retracts to avoid interference with other structures. Wherein the vertical direction refers to the "vertical direction" indicated by the arrow in fig. 1.

Preferably, a sliding block assembly 27 is arranged between the first arm support 23 and the second arm support 24 to provide guidance for the relative sliding between the second arm support 24 and the first arm support 23, and the sliding block assembly has a simple structure and good guidance.

Preferably, the lift arm 20 further includes a telescopic driving portion 26, the telescopic driving portion 26 is disposed inside the first arm support 23 to drive the second arm support 24 to move relative to the first arm support 23, and the telescopic driving portion 26 may be an oil cylinder or an electric push rod, etc., and has a good driving force and a high degree of automation.

In this embodiment, dual-purpose loop wheel machine still includes two at least fixed arms 50, fixed arm 50 and walking portion 10 fixed connection and extend along vertical direction, and at least one lifting arm 20 sets up on a fixed arm 50 liftable ground to drive the object through lifting arm 20 and go up and down, realize the handling to the object, simultaneously, lifting arm 20 has increased the stability of structure along fixed arm 50 lift.

In this embodiment, each lifting arm 20 further includes a guide mechanism 25, and the guide mechanism 25 is disposed between the lifting arm 20 and the fixing arm 50 to provide guidance for the lifting movement of the lifting arm 20, prevent the lifting arm 20 from deviating during the lifting process, and increase the stability of the lifting process.

Preferably, the guide mechanism 25 is a guide wheel, the guide wheel is in sliding contact with the fixed arm 50, and the guide wheel moves up and down along the fixed arm 50 to drive the lifting arm 20 to move up and down along the fixed arm 50, further preferably, a track matched with the guide wheel is arranged on the fixed arm 50, and the track extends in a vertical direction to ensure the stability of the guide wheel, so as to ensure the stability of the lifting arm 20 in the lifting process, and the structure of the guide wheel is relatively common and good in stability, wherein the vertical direction refers to the direction of "up and down" indicated by the arrows in fig. 1, and the vertical direction refers to the "vertical direction" indicated by the arrows in fig. 1. It is understood that, as an alternative embodiment, the guiding mechanism 25 may also be a slide rail and slide block structure, a linear slide rail is provided on the fixed arm 50, a slide block capable of sliding along the linear slide rail is provided on the lifting arm 20, and the guiding for the lifting movement of the lifting arm 20 can also be realized through the cooperation of the slide rail and the slide block. It is understood that, as another alternative embodiment, the guiding mechanism 25 may also be a structure of a guiding shaft and a guiding hole, the guiding shaft is fixed on the fixing arm 50, the guiding hole is arranged on the lifting arm 20, the guiding shaft is arranged in the guiding hole in a penetrating way, only the guiding shaft needs to be arranged, the number of parts is small, and the cost is low.

In this embodiment, dual-purpose loop wheel machine still includes lazytongs, lazytongs and fixed arm 50 cooperation and be connected with tie-beam 30, and tie-beam 30 and two relative lifting arm 20 fixed connection make two lifting arm 20 synchronous motion through lazytongs's effect, guarantee the uniformity that two lifting arm 20 go up and down, place the handling object in-process and appear rocking.

Specifically, the synchronizing mechanism includes a synchronizing shaft 60 and a rack-and-pinion structure, the synchronizing shaft 60 is connected with the connecting beam 30, gears are disposed at two ends of the synchronizing shaft 60, the number of the fixing arms 50 is two, two fixing arms 50 are respectively provided with racks matched with the gears, the two ends of the synchronizing shaft 60 are driven to synchronously ascend or descend through synchronous actions of the two sets of rack-and-pinion structures, and then the synchronizing shaft 60 drives two lifting arms 20 to synchronously move through driving the connecting beam 30 to move, so that stability of a lifting process is guaranteed. It will be appreciated that, as an alternative embodiment, the synchronizing mechanism may also be fixedly connected directly to the two lifting arms 20 instead of being connected to the connecting beam 30, the synchronizing shaft 60 directly moving the two lifting arms 20 in synchronization. It will be appreciated that, as an alternative embodiment, the synchronizing mechanism may also be fixedly connected to the connecting beam 30 and the two lifting arms 20, and the synchronizing shaft 60 may also be used to move the two lifting arms 20 synchronously.

Preferably, the connecting beam 30 is fixedly provided with a connecting member 32, the connecting member 32 is connected with the synchronizing shaft 60, so as to realize the connection between the connecting beam 30 and the synchronizing shaft 60, and the connecting member 32 can be a connecting rod, which has a simple structure and low cost.

In this embodiment, the dual-purpose crane further includes a support assembly 70, the support assembly 70 is fixedly disposed below the walking part 10 and fixedly connected to the fixing arm 50, so as to increase the strength and stability of the structure, preferably, the number of the support assemblies 70 is two, and each support assembly 70 is fixedly connected to one fixing arm 50.

In this embodiment, the connecting beam 30 is provided with a first pulley assembly 31, the traveling part 10 is provided with a second pulley assembly 82, the first pulley assembly 31 and the second pulley assembly 82 are wound with a steel wire rope, and the dual-purpose crane further includes: and the rope loosening detection device 83 is arranged on the second pulley component 82, so that the tightness degree of the steel wire rope is detected. The slack rope detecting device 83 includes: support frame and sensor, the support frame is fixed on second loose pulley assembly 82, the one end of second loose pulley assembly 82 is kept away from to the sensor setting on the support frame, the sensor is hugged closely to wire rope, the sensor is pressure sensor, when wire rope tightened or lax, pressure sensor's pressure value is different, through the elasticity degree of the different reaction wire rope of pressure value, pressure sensor simple structure, use extensively and the reliability is high.

Specifically, the traveling part 10 is provided with a lifting mechanism 81 and a second pulley assembly 82, the connecting beam 30 is provided with a first pulley assembly 31, the steel wire rope is connected between the first pulley assembly 31 and the second pulley assembly 82, and the lifting driving of the connecting beam 30 is realized through the action of the lifting mechanism 81, so that the lifting movement of the lifting arm 20 is realized. The lifting mechanism 81 can be a single-winch lifting mechanism, the structure is common, the reliability is high, and it can be understood that as an alternative embodiment, the lifting mechanism 81 can also be an oil cylinder, and the oil cylinder lifting is also applicable; the first pulley component 31 and the second pulley component 82 are both double pulley blocks, so that the double pulley blocks are more uniform in weighing and longer in service life. The second pulley component 82 is provided with a rope loosening detection device 83 to detect the tightness degree of the steel wire rope, so that the steel wire rope is prevented from loosening, and the reliability and the safety of the whole device are improved. A hydraulic station is further provided on the traveling part 10 to supply hydraulic oil to the telescopic cylinder. The walking part 10 is further provided with a walking component to drive the walking part 10 to walk along a preset direction, and the walking component can be of a roller structure, so that the walking component is simple, reliable and low in cost.

The utility model also provides an aerated concrete production line, it includes: the dual-purpose crane is provided.

In this embodiment, the aerated concrete production line further includes a cutting machine, a steam-curing kettle, a severing machine, and the like, where the cutting machine cuts the green bodies, the steam-curing kettle steam-cures the cut green bodies, the severing machine severs the steam-cured green bodies, and the steam-curing kettle, the cutting machine, the severing machine, and the like are configured in the prior art, and are not described in detail herein.

From the above description, it can be seen that the above-mentioned embodiments of the present invention achieve the following technical effects:

the use requirement of the horizontal steaming process and the use requirement of the vertical steaming process can be met by using one dual-purpose crane, the production beat is accelerated, the use is convenient, and the equipment cost is reduced.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious changes and modifications can be made without departing from the scope of the invention.

Claims

1. A dual-purpose crane, comprising:

a traveling section (10) adapted to travel in a preset direction;

at least two lifting arms (20) arranged below the walking part (10), wherein each lifting arm (20) can perform lifting motion relative to the walking part (10), and each lifting arm (20) is provided with a clamping piece (21) for clamping an object;

the connecting beam (30) is fixedly connected with at least two lifting arms (20) which are oppositely arranged, a clamping assembly (40) for clamping an object is arranged on the connecting beam (30), and the clamping direction of the clamping assembly (40) is vertical to the clamping direction of the lifting arms (20);

wherein one of the clamp (21) and the clamp assembly (40) is in a clamped state and the other is in a yield state.

2. The dual purpose crane of claim 1, wherein the clamp assembly (40) comprises:

the bracket (41) is fixedly connected with the connecting beam (30), and the extending direction of the bracket (41) is vertical to the length direction of the connecting beam (30);

and the two hooks (42) are respectively and rotatably arranged at two ends of the bracket (41) in the length direction.

3. The dual-purpose crane according to claim 1, wherein the number of the clamping assemblies (40) is at least two, and at least two of the clamping assemblies (40) are arranged at intervals along the length direction of the connecting beam (30).

4. The dual purpose crane of claim 1, wherein the clamp member (21) is telescopically arranged at the bottom of the lifting arm (20), the clamp member (21) being in the clamping state when the clamp member (21) is extended, and the clamp member (21) being in the abdicating state when the clamp member (21) is retracted.

5. The dual-purpose crane according to claim 4, wherein each lifting arm (20) is provided with a clamping driving portion (22), and the clamping driving portion (22) is connected with the clamping member (21) to drive the clamping member (21) to extend and retract.

6. The dual purpose crane of claim 4, wherein each of the lift arms (20) comprises: the lifting arm comprises a first arm support (23) and a second arm support (24), wherein the second arm support (24) is slidably sleeved on the inner side of the first arm support (23) so that the lifting arm (20) can extend and retract along the vertical direction.

7. The dual-purpose crane according to claim 1, further comprising at least two fixed arms (50), wherein the fixed arms (50) are fixedly connected to the traveling part (10) and extend in a vertical direction, and at least one lifting arm (20) is liftably provided on one of the fixed arms (50).

8. The dual-purpose crane according to claim 7, wherein each of the lifting arms (20) further comprises a guide mechanism (25), the guide mechanism (25) being disposed between the lifting arm (20) and the fixing arm (50) to provide guidance for the lifting movement of the lifting arm (20),

and/or the presence of a gas in the atmosphere,

the dual-purpose crane further comprises a synchronization mechanism which is matched with the fixing arm (50) and is connected with the connecting beam (30) and/or the two opposite lifting arms (20) so as to enable the two lifting arms (20) to move synchronously.

9. The dual-purpose crane according to any one of claims 1 to 8, wherein a first pulley assembly (31) is disposed on the connecting beam (30), a second pulley assembly (82) is disposed on the traveling part (10), and a steel wire rope is wound around the first pulley assembly (31) and the second pulley assembly (82), the dual-purpose crane further comprising: and the rope loosening detection device (83) is arranged on the second pulley component (82) to detect the tightness degree of the steel wire rope.

10. An aerated concrete production line, comprising: the dual purpose crane of any one of claims 1-9.