CN217102826U - Boom head, boom and working machine - Google Patents

Abstract

The utility model relates to a hoisting equipment technical field provides a jib loading boom head, jib loading boom and operation machinery. This jack-up arm head, including arm head body and enhancement subassembly, arm head body is including violently managing, main chord pipe and joint, strengthens the bottom side that the subassembly was located and violently manages, strengthens the both ends side of subassembly and corresponds respectively and set up the main chord pipe, and the first end of main chord pipe is connected with the bottom side of violently managing, connects the second end of locating the main chord pipe. The utility model discloses a bottom side at violently managing sets up the enhancement subassembly, violently manages, main chord pipe and strengthens forming the box structure between the subassembly, has increased the bending resistance cross-section of violently managing, improves violently the pipe anti-deformation ability, improves the structural strength who violently manages, and then improves the lifting load ability of jib head.

Description

Boom head, boom and working machine

Technical Field

The utility model relates to a jacking equipment technical field especially relates to a jib loading boom head, jib loading boom and operation machinery.

Background

In order to meet the development requirements of large construction scale, modularized equipment installation and super-high hoisting weight, the jib head capable of bearing larger hoisting load and the super-tonnage crawler crane become the key points of the current research.

The outer diameter of the transverse pipe of the existing arm head is limited by the outer diameter of the main chord pipe, the arrangement cannot be increased, stress concentration at the intersection of the transverse pipe and the main chord pipe is caused, the bending-resistant section of the transverse pipe is small, bending is easy to occur, and then large-tonnage hoisting operation cannot be adapted.

SUMMERY OF THE UTILITY MODEL

The utility model provides a jib loading boom head, jib loading boom and operation machinery for solve among the prior art the defect that the violently pipe of jib loading boom easily appears buckling, realize improving the bending resistance cross-section of violently managing, guarantee structural strength, and then the operation of lifting by crane of adaptation large-tonnage.

The utility model provides a lifting arm head, including arm head body and enhancement subassembly, arm head body is including violently managing, main chord pipe and joint, it locates to strengthen the subassembly the bottom side of violently managing, the both ends side of strengthening the subassembly corresponds the setting respectively main chord pipe, the first end of main chord pipe with the bottom side of violently managing is connected, the joint is located the second end of main chord pipe.

According to the utility model provides a pair of jib head, it includes first backup pad, second backup pad and a supporting beam to strengthen the subassembly, first backup pad with vertical direction parallel arrangement is followed to the second backup pad, the top side of first backup pad with the top side of second backup pad respectively with the both sides of violently managing the back of the body of carrying on the back are connected, the bottom side of first backup pad with the bottom side of second backup pad respectively with the both sides of a supporting beam's the back of the body of carrying on the back are connected, a supporting beam with violently manage parallel arrangement.

According to the utility model provides a pair of jib head, first backup pad with clearance between the second backup pad is less than violently manage the diameter.

According to the utility model provides a pair of jib head, the length of violently managing is greater than a supporting beam's length, a supporting beam's diameter with the diameter of violently managing is the same.

According to the utility model provides a pair of jib head, first backup pad with the second backup pad respectively with violently manage the welding, first backup pad with the second backup pad respectively with a supporting beam welding.

According to the utility model provides a pair of jib head, first backup pad with the second backup pad is equipped with the strengthening rib respectively, the strengthening rib is followed violently manage extremely supporting beam's direction sets up.

According to the utility model provides a pair of jib head, the main chord pipe deviates from one side of strengthening the subassembly is equipped with the reinforcing plate, the reinforcing plate is followed the direction setting of the axis of main chord pipe.

According to the utility model provides a pair of lifting arm head still includes loose pulley assembly, loose pulley assembly through the round pin hub connection in on the arm head body.

The utility model also provides a jib loading boom, include as above arbitrary the jib loading boom head.

The utility model also provides a working machine, including as above the jib loading boom, or as above any one the jib loading boom head.

The utility model provides a jack-up arm head, jib loading boom and operation machinery, including arm head body and enhancement subassembly, the arm head body is including violently managing, main chord pipe and joint, it locates to strengthen the subassembly the bottom side of violently managing, strengthen the both ends side of subassembly and correspond the setting respectively the main chord pipe, the first end of main chord pipe with the bottom side of violently managing is connected, connect and locate the second end of main chord pipe sets up through the bottom side of violently managing and strengthens the subassembly, violently manages, main chord pipe and strengthen forming the box structure between the subassembly, has increased the bending section of violently managing, improves violently the anti deformability of pipe, improves the structural strength who violently manages, and then improves the lifting load ability of jack-up arm head.

Drawings

In order to more clearly illustrate the technical solutions of the present invention or the prior art, the drawings needed to be used in the description of the embodiments or 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 is a schematic structural diagram of a boom head provided in the present invention;

fig. 2 is a side view of a jib head provided by the present invention;

reference numerals:

100. an arm head body; 110. a transverse tube; 120. a sheave assembly; 130. a first support plate; 131. reinforcing ribs; 140. a support beam; 150. a main chord tube; 151. a reinforcing plate; 160. a joint; 170. a second support plate.

Detailed Description

To make the objects, technical solutions and advantages of the present invention clearer, the drawings of the present invention are combined to clearly and completely describe the technical solutions of the present invention, and obviously, the described embodiments are 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 belong to the protection scope of the present invention.

The following describes a lifting arm head of the present invention with reference to fig. 1 to 2, which includes an arm head body 100 and a reinforcement component, the arm head body 100 is provided with a horizontal tube 110, the reinforcement component is disposed on the bottom side of the horizontal tube 110, and the reinforcement component is used to improve the bending-resistant section of the horizontal tube 110. It can be understood that the longitudinal section of the arm head body 100 is triangular, which ensures the stability and the bearing capacity of the arm head body 100. The arm head body 100 is provided with a transverse tube 110, and the transverse tube 110 spans the arm head body 100 to bear the pressure transmitted by the pulley assembly 120. The bottom side of the horizontal pipe 110 is provided with a reinforcing component for improving the bending-resistant section of the horizontal pipe 110, improving the pressure of the horizontal pipe 110, which is transmitted by the pulley component 120, further improving the deformation-resistant capability of the horizontal pipe 110, improving the uniformity of pressure transmission, and adapting to large-tonnage hoisting operation.

The pulley assemblies 120 are hinged to two sides of the arm head body 100 through pins, or are mounted in the middle of the arm head body 100 in a form of a single pulley block.

According to the utility model provides a pair of jib head strengthens the subassembly including first backup pad 130, second backup pad 170 and supporting beam 140, and vertical direction parallel arrangement is followed with second backup pad 170 to first backup pad 130, and the top side of first backup pad 130 and the top side of second backup pad 170 are connected with the both sides that carry on the back of the body of violently pipe 110 respectively, and the bottom side of first backup pad 130 and the bottom side of second backup pad 170 are connected with the both sides that carry on the back of the body of supporting beam 140 respectively, and supporting beam 140 and violently pipe 110 parallel arrangement. It will be appreciated that the reinforcement assembly particularly comprises a first support plate 130, a second support plate 170 and a support beam 140, the first support plate 130 and the second support plate 170 each being arranged in a vertical direction, i.e. parallel between the first support plate 130 and the second support plate 170. The support beams 140 are disposed in parallel with the cross beams, and the first and second support plates 130 and 170 are disposed between the cross tube 110 and the support beams 140. The vertical direction referred to in this embodiment is a direction in which a heavy object is lifted during a lifting operation.

Specifically, the upper sides of the first support plate 130 and the second support plate 170 are respectively connected to the two opposite sides of the cross tube 110, and the lower sides of the first support plate 130 and the second support plate 170 are respectively connected to the two opposite sides of the support beam 140, that is, the first support plate 130, the second support plate 170, the cross tube 110 and the support beam 140 form a box structure, and bear the pressure transmitted by the pulley assemblies 120 as a whole, thereby improving the bending section of the cross tube 110.

According to the utility model provides a pair of jib head, the clearance between first backup pad 130 and the second backup pad 170 is less than the diameter of violently managing 110. It will be appreciated that the gap between the first support plate 130 and the second support plate 170 is smaller than the diameter of the cross tube 110, resulting in effective support for the cross tube 110.

In one embodiment, the length of the cross pipe 110 is greater than that of the support beam 140, the diameter of the support beam 140 is the same as that of the cross pipe 110, and the gap between the first support plate 130 and the second support plate 170 is smaller than that of the support beam 140, so that the support beam 140 stably supports the first support plate 130 and the second support plate 170, thereby ensuring the overall structural support strength of the box-type structure and improving the suspension load capacity.

According to the utility model provides a pair of jib head, first backup pad 130 and second backup pad 170 respectively with violently manage 110 welding, first backup pad 130 and second backup pad 170 respectively with a supporting beam 140 welding. It can be understood that the top sides of the first and second support plates 130 and 170 are welded to the cross tube 110 to ensure the connection strength. The bottom sides of the first and second support plates 130 and 170 are welded to the support beam 140, respectively, to secure the coupling strength.

In one embodiment, the first and second support plates 130 and 170 are integrally formed with the support beam 140 to improve the overall structural strength.

According to the utility model provides a pair of jib head, first backup pad 130 and second backup pad 170 are equipped with strengthening rib 131 respectively, and strengthening rib 131 sets up along vertical direction. It can be understood that, the side of the first support plate 130 facing away from the second support plate 170 is provided with a plurality of reinforcing ribs 131, and the reinforcing ribs 131 are arranged in parallel along the vertical direction, so as to improve the structural strength of the first support plate 130. The top of strengthening rib 131 and violently pipe 110 welding, the bottom of strengthening rib 131 and a supporting beam 140 welding further strengthens first backup pad 130 and violently pipe 110 and a supporting beam 140's joint strength, improves the intensity of whole box structure.

Further, one side of the second support plate 170, which faces away from the first support plate 130, is provided with a plurality of reinforcing ribs 131, and the reinforcing ribs 131 are arranged in parallel along the vertical direction, so as to improve the structural strength of the second support plate 170. The top ends of the reinforcing ribs 131 are welded with the transverse pipe 110, and the bottom ends of the reinforcing ribs 131 are welded with the supporting beams 140, so that the connecting strength of the second supporting plate 170, the transverse pipe 110 and the supporting beams 140 is further enhanced, and the strength of the whole box body structure is improved.

The ribs 131 are provided at equal intervals, and the number of the ribs can be specifically set according to the lengths of the first support plate 130 and the second support plate 170.

According to the utility model provides a pair of jib head still includes main chord 150, and main chord 150 sets up in the distolateral side of strengthening the subassembly along vertical direction, and main chord 150's first end is connected with the bottom side of violently managing 110. It will be appreciated that two main chords 150 are provided, one on each end side of the reinforcement assembly. The main chord pipes 150 are vertically arranged, first ends, namely upper ends, of the main chord pipes 150 are welded to the bottom side of the cross pipe 110, second end sides of the main chord pipes 150 are welded to the end portions of the support beams 140, that is, the main chord pipes 150 are arranged on the bottom side of the cross pipe 110, the support beams 140 are located between the two main chord pipes 150, and the support beams 140 are welded to the main chord pipes 150.

According to the utility model provides a pair of jib head still includes to connect 160, connects 160 and locates the second end of main chord 150. It is understood that the joints 160 are disposed in one-to-one correspondence with the main chords 150, and the joints 160 are welded to the second ends of the main chords 150.

The horizontal tube 110 receives the pressure transmitted by the pulley assembly 120, and then transmits the pressure to the main chord tube 150 through the reinforcing assemblies, i.e., the first support plate 130, the second support plate 170 and the support beam 140, so as to transmit the force flow, and further transmit the pressure to the next section of arm through the joint 160, thereby improving the uniformity of the force flow transmission.

According to the utility model provides a pair of jib head, one side that main chord 150 deviates from the reinforced component is equipped with reinforcing plate 151, and reinforcing plate 151 sets up along vertical direction. It will be appreciated that the side of the main chord 150 facing away from the stiffening assembly, the outer side, has a stiffening plate 151 welded thereto. The reinforcing plates 151 are disposed in parallel in the vertical direction, that is, the reinforcing plates 151 are disposed in parallel with both the first and second support plates 130 and 170.

The top side of the reinforcing plate 151 is welded to the bottom side of the cross tube 110, and the bottom side of the reinforcing plate 151 is welded to the second end of the main chord 150, so as to reinforce the support of the cross tube 110. Two reinforcing plates 151 correspond to each main chord 150.

In one embodiment, two of the reinforcing plates 151 are located in the same vertical plane as the first support plate 130, and the other two reinforcing plates 151 are located in the same vertical plane as the second support plate 170, thereby enhancing the overall structural strength of the case. Since the length of the cross tube 110 is greater than that of the support beam 140, the reinforcing plate 151 is provided in an inverted trapezoidal structure, or an inverted triangular structure.

As shown in fig. 1, the gravity G of the weight is decomposed into two directions of F1 and F2 by the pulley assembly 120, wherein the pressure F1 makes the arm head body 100 bear the pressure, the tension F2 makes the arm head body 100 bear the tension, the pressure F1 is transmitted to the joint 160 sequentially through the transverse pipe 110, the first support plate 130, the second support plate 170, the support beam 140 and the main chord pipe 150, at this time, the transverse pipe 110 bears a very large bending moment, and the box-shaped reinforcing assembly composed of the first support plate 130, the second support plate 170 and the support beam 140 is provided, so that the bending section of the transverse pipe 110 is increased, the deformation resistance of the transverse pipe 110 is improved, the stress concentration at the joint of the transverse pipe 110 and the main chord pipe 150 is effectively prevented, the lifting load capacity is improved, and the large-tonnage lifting operation is applicable.

The utility model also provides a jib loading boom, include as above jib loading boom head.

The utility model also provides an operating machine, include as above the jib loading boom, or as above the jib loading boom head. It will be appreciated that the work machine may be a crane.

The utility model provides a hoisting arm head, jib loading boom and operation machinery, including arm head body and enhancement subassembly, the arm head body is including violently managing, main chord pipe and joint, the bottom side of violently managing is located to the enhancement subassembly, the both ends side of strengthening the subassembly corresponds respectively and sets up main chord pipe, the first end of main chord pipe is connected with the bottom side of violently managing, the second end of main chord pipe is located to the joint, set up the enhancement subassembly through the bottom side of violently managing, violently manage, form the box structure between main chord pipe and the enhancement subassembly, the bending cross section of violently managing has been increased, improve violently manage anti deformability, improve the structural strength who violently manages, and then improve the lifting load ability of hoisting arm head.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims (10)

1. The utility model provides a lifting arm head, its characterized in that includes arm head body and reinforcing component, arm head body is including violently managing, main chord pipe and joint, reinforcing component locates the bottom side of violently managing, reinforcing component's both ends side corresponds respectively and sets up main chord pipe, main chord pipe's first end with the bottom side of violently managing is connected, the joint is located main chord pipe's second end.

2. The boom head of claim 1, wherein the reinforcement assembly comprises a first support plate, a second support plate, and a support beam, the first support plate being disposed parallel to the second support plate, a top side of the first support plate and a top side of the second support plate being connected to opposite sides of the cross tube, respectively, a bottom side of the first support plate and a bottom side of the second support plate being connected to opposite sides of the support beam, respectively, the support beam being disposed parallel to the cross tube.

3. The boom head of claim 2, wherein a gap between the first support plate and the second support plate is smaller than a diameter of the cross tube.

4. The boom head of claim 2, wherein the cross tube has a length greater than a length of the support beam, and wherein the diameter of the support beam is the same as the diameter of the cross tube.

5. The boom head of claim 2, wherein the first support plate and the second support plate are welded to the cross tube, respectively, and the first support plate and the second support plate are welded to the support beam, respectively.

6. The boom head according to claim 2, wherein the first support plate and the second support plate are provided with reinforcing ribs, respectively, which are provided in a direction from the cross pipe to the support beam.

7. A jib head according to any one of claims 1 to 6 wherein the side of the main chord member facing away from the reinforcement assembly is provided with a reinforcement plate, the reinforcement plate being disposed in the direction of the central axis of the main chord member.

8. A jib head as claimed in any one of claims 1 to 6 further comprising a pulley assembly connected to the arm head body by a pin.

9. A crane boom comprising a crane boom head according to any one of claims 1 to 8.

10. A working machine comprising a boom according to claim 9 or a boom head according to any of claims 1-8.

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