WO2013120349A1 - Connecting beam assembly and truss arm system - Google Patents

Description

 Connecting beam assembly and truss arm system

 Technical field

 The present invention relates to the field of cranes, and more particularly to a connecting beam assembly and a truss arm system. Background technique

 The cranes are mainly used for hoisting equipment, rescue, lifting, machinery and rescue. Lifting machines are currently widely used in lifting and handling machinery in ports, workshops and construction sites.

 In some large projects, such as nuclear industry, petrochemicals and coal chemical projects, there is an increasing demand for cranes with very large tonnage.

 For a large tonnage trussed boom crane, the boom system is subjected to a very large lifting load. However, the prior art truss arm system is not highly stressed, resulting in poor overall stability of the truss arm system, with large The tonnage of trussed boom cranes is getting bigger and bigger, and many ultra-high and overweight phenomena restrict crane operations.

 Therefore, it is necessary to provide a large-sized connecting beam assembly and a truss arm system with reasonable structure to improve the force of the truss arm and increase the overall stability of the truss arm system. Summary of the invention

 In order to solve the technical problem that the prior art truss arm system has low force capability and poor overall stability, the present invention provides a connecting beam assembly and a truss arm system to improve the force of the truss arm and increase the truss arm. The overall stability of the system.

 The present invention provides a connecting beam assembly including two first arm sections and two second arm sections disposed in an intersecting manner, one end of two first arm sections and two second arm sections being first The cross position is connected, wherein the two first arm sections are adjacently arranged and the length is adjustable.

According to a preferred embodiment of the invention, the connecting beam assembly further comprises a first intersection The connecting seat, the two first arm sections and one end of the two second arm sections are respectively connected to the connecting base. According to a preferred embodiment of the invention, one end of the two first arm sections and the two second arm sections are respectively hinged to the connecting seat to adjust the angle between the two first arm sections and the two second arm sections .

 According to a preferred embodiment of the present invention, the first arm section includes a body arm section and a movable arm section fixed to each other, and a fixed position between the body arm section and the movable arm section is adjustable along the length direction of the first arm section, thereby adjusting The length of the first arm section.

 According to a preferred embodiment of the present invention, the movable arm section is inserted into the main body arm section along the length direction of the first arm section, and the main arm section is provided with a first flange, and the first arm section further includes a sleeve and is fixed a kit on the movable arm section, the kit is provided with a second flange, the first flange is provided with a first insertion hole, the second flange is provided with a second insertion hole, and the first flange and the second flange are provided The spacing between the first flange and the second flange can be adjusted along the length of the first arm section by a threaded fastener that is inserted into the first and second sockets.

 According to a preferred embodiment of the present invention, the kit is further provided with a third jack, the movable arm section is provided with a plurality of fourth jacks along the length direction of the first arm section, and the movable arm section and the kit are inserted into the third The jack is coupled to the pin holder in any of the fourth jacks to adjust the fixed position between the arm section and the kit along the length of the first arm section.

 According to a preferred embodiment of the invention, the adjustable length of the threaded fastener and the minimum hole spacing between each of the fourth receptacles are both 200 mm.

 In accordance with a preferred embodiment of the present invention, the connecting beam assembly further includes two first mounts hingedly coupled to the other ends of the two first arm segments, respectively, and two first hinges hingedly coupled to the other ends of the two second arm segments, respectively The two mounts, the two first mounts and/or the two second mounts are mobile mounts.

 In accordance with a preferred embodiment of the present invention, the mobile mount includes two clamping members and threaded fasteners for coupling the two clamping members such that the two clamping members clamp the truss arm assembly.

 According to a preferred embodiment of the invention, the clamping orientations of the truss arm assemblies adjacent to each other are perpendicular to each other.

The present invention also provides a truss arm system, the truss arm system comprising mutually spaced and inclined Two truss arm assemblies are disposed and the aforementioned connecting beam assembly is coupled between the two truss arm assemblies. In accordance with a preferred embodiment of the present invention, the truss arm system includes two spaced apart beam assemblies, the truss arm system further including an auxiliary connecting beam assembly connecting the two connecting beam assemblies, the auxiliary connecting beam assembly including four auxiliary arrangements The arm joints, one ends of the four auxiliary arm segments are connected at the second intersecting position, and the other ends of the four auxiliary arm segments are respectively connected to the connecting beam assembly.

 According to a preferred embodiment of the present invention, the auxiliary connecting beam assembly further includes an auxiliary connecting seat disposed at the second intersecting position, one end of each of the four auxiliary arm segments is respectively hinged with the auxiliary connecting seat, and the other ends of the four auxiliary arm segments are respectively respectively The connecting beam assembly is hinged.

 Different from the prior art, the connecting beam assembly and the truss arm system of the invention can improve the force capacity of the truss arm and increase the overall stability of the truss arm system, and the structure is simple, the cost is low, and the adjustment is easy. The installation has a high installation accuracy. DRAWINGS

 1 is a schematic structural view of a truss arm system having a connecting beam assembly according to an embodiment of the present invention; FIG. 2 is a schematic structural view of a first arm joint of a connecting beam assembly according to an embodiment of the present invention; FIG. 3 is a connection having an embodiment of the present invention; a top view of the truss arm system of the beam assembly; FIG. 4 is an enlarged view of the portion I of FIG. 3;

 Figure 5 is an enlarged view of a portion II of Figure 3. detailed description

 The invention will now be described in detail in conjunction with the drawings and embodiments.

 1 is a schematic view showing the structure of a truss arm system having a connecting beam assembly according to an embodiment of the present invention. As shown in FIG. 1, a connecting beam assembly of a preferred embodiment of the present invention includes two first arm sections 100 and two second arm sections 200 that are disposed in an intersecting manner. The connecting beam assembly is coupled between two truss arm assemblies 900 that are spaced apart and disposed obliquely.

Two first arm sections 100 and one ends of the two second arm sections 200 are connected at a first intersection position, Wherein, the two first arm segments 100 are disposed adjacent to each other and the length thereof can be adjusted, and the lengths of the two second arm segments 200 are fixed. In other embodiments, the length of the two second arm segments 200 can also be adjusted.

 In this embodiment, the connecting beam assembly further includes a connecting base 300 at a first intersecting position, and one ends of the two first arm segments 100 and the two second arm segments 200 are respectively connected to the connecting base 300, as shown in FIG. The two first arm sections 100, the two second arm sections 200 and the connecting base 300 together form an X shape.

 In this embodiment, two first arm sections 100 and one end of the two second arm sections 200 are connected to the connecting base 300 in a manner of hinged manner, and two first arm sections 100 and two The angle between the two arm joints 200. Of course, in other embodiments, other prior art connection manners may be adopted between the first arm joint 100 and one end of the second arm joint 200 and the connecting base 300, and details are not described herein again.

 The connecting beam assembly further includes two first mounts 400, 401 hingedly coupled to the other ends of the two first arm segments 100, respectively, and two second mounts 500 hingedly coupled to the other ends of the two second arm segments 200, respectively. , 501. When installed, the two first mounts 400 and/or the two second mounts 500 can be selected to be movable mounts depending on the installation requirements.

 The first arm section 100 includes a body arm section 110 and a movable arm section 120 that are fixed to each other. The fixed position between the main arm section 110 and the movable arm section 120 is adjustable along the length of the first arm section 100, so that the length of the first arm section 100 can be adjusted.

2 is a schematic view showing the structure of a first arm joint of a connecting beam assembly according to an embodiment of the present invention. As shown in FIG. 2, in the present embodiment, the movable arm section 120 is inserted into the main body arm section 110 along the length direction of the first arm section 100. The main arm joint 110 is provided with a first flange 111, and the first flange 111 is provided with a first insertion hole 1111. The first arm section 100 further includes a sleeve 130 that is sleeved and secured to the movable arm section 120. The sleeve 130 is provided with a second flange 131, and the second flange 131 is provided with a second insertion hole 1311. The first flange 111 and the second flange 131 are connected by a screw fixing member 132 interposed in the first insertion hole 1111 and the second insertion hole 1311, and the first flange can be adjusted along the length of the first arm joint 100. The spacing between the 111 and the second flange 131. The threaded fixture 132 is, for example, a screw With nuts, or other threaded fasteners of the prior art.

 The kit 130 is further provided with a third jack (not shown). The movable arm section 120 is provided with a plurality of fourth jacks 121 along the length direction of the first arm section 100, and the movable arm section 120 and the kit 130 are inserted. The third jack is coupled to a pin fixing member (not shown) in any one of the fourth jacks 121, and the fixed position between the movable arm section 120 and the kit 130 can be adjusted along the length of the first arm section 100.

 In the present embodiment, the adjustable length of the screw fixing member 132 and the minimum hole pitch between the respective fourth insertion holes 121 are both 200 mm. When the connecting beam assembly is mounted, the second arm section 200 of which the length cannot be adjusted is first mounted on the truss arm assembly 900 (see Fig. 1), and the length of the first arm section 100 can be adjusted by the processing error. Guarantee the installation accuracy. The length adjustment function of the first arm section 100 is divided into coarse adjustment and fine adjustment. Wherein, the coarse adjustment is performed by the pin fixing member, specifically, the movable arm joint 120 and the sleeve 130 are connected by the pin fixing members inserted in the third insertion hole and the fourth insertion hole 121, and each fourth insertion hole The minimum hole spacing between 121 is 200 mm, so the coarse adjustment can be made by inserting the pin fixing member into the third insertion hole and any one of the fourth insertion holes 121, and the adjustment of the coarse adjustment is a minimum distance of 200 mm; The fine adjustment is performed by the screw fixing member 132. Specifically, the spacing between the first flange 111 and the second flange 131 can be adjusted along the length direction of the first arm joint 100 by the screw fixing member 132, and the fine adjustment range can be adjusted. It is 0-200 mm.

 3 is a top plan view of a truss arm system having a connecting beam assembly in accordance with an embodiment of the present invention. As shown in Figure 3, the two first arm segments 100 are secured to the truss arm assembly 900 by first mounts 400, 401, respectively. The first mounts 400, 401 are mobile mounts so that their mounting points on the truss arm assembly 900 can be adjusted based on the actual position.

 Figure 4 is an enlarged view of a portion I of Figure 3. As shown in Figure 4, the first mount 400 includes two clamping members 4001 and threaded fasteners 4002 such that the two clamping members 4001 clamp the truss arm assembly 900. In use, a through hole may be provided in the chord 901 of the truss arm assembly 900, and the screw fixing member 4002 passes through the through hole of the chord 901, thereby improving the fixing effect of the first mounting seat 400.

Figure 5 is an enlarged view of a portion II of Figure 3. As shown in FIG. 5, the first mount 401 includes two The clamping members 4011 and the threaded fasteners 4012 are such that the two clamping members 4011 clamp the truss arm assembly 900. In use, a through hole may be provided in the chord 902 of the truss arm assembly 900, and the threaded fixing member 4012 passes through the through hole of the chord 902, thereby improving the fixing effect of the first mounting seat 401.

 During installation, the clamping directions of the first mount 400 and the first mount 401 to the truss arm assembly 900 are perpendicular to each other, since the two first mounts 400 and the first mount 401 are respectively oriented in two directions perpendicular to each other. The first arm sections 100 are secured to the truss arm assembly 900, thereby enhancing the securing effect between the two first arm sections 100 and the truss arm assembly 900. Of course, the clamping orientation of the other adjacently disposed mobile mounts to the truss arm assembly 900 can also be taken perpendicular to each other. Threaded fasteners 4002, 4012 are, for example, screws and nuts, or other threaded fasteners of the prior art.

 Since the connecting beam assembly of the present invention adopts a partially adjustable structure, the difficulty in the installation process of the connecting beam assembly is reduced, and the mounting precision is improved while reducing the connection work. Due to the special structural form of the large truss arm, the A-arm, the root, and the head connection are usually different in size, resulting in unequal spacing between the arms of different arm lengths. The adjustable structure of the connecting beam assembly of the present invention is advantageous for uniformity. The structural form is suitable for different truss arms.

 Referring to FIG. 3, the truss arm system further includes an auxiliary connecting beam assembly 500 connecting the two connecting beam assemblies in addition to the two connecting beam assemblies disposed at intervals. The auxiliary connecting beam assembly 500 includes four auxiliary arms disposed in an intersecting manner. Section 501, one end of the four auxiliary arm segments 501 are connected at the intersection position, and the other ends of the four auxiliary arm segments 501 are respectively connected to the connecting beam assembly.

 In the present embodiment, the auxiliary connecting beam assembly 500 further includes an auxiliary connecting seat 502 disposed at the intersecting position, one end of each of the four auxiliary arm segments 501 is hinged with the auxiliary connecting seat 502, and the other ends of the four auxiliary arm segments 501 are respectively The connecting beam assembly is hinged. The four auxiliary arm sections 501 are cross-shaped in an X shape. The angle between the four auxiliary arm segments 501 can be adjusted by means of articulation. Of course, in other embodiments, other prior art connections may be used between the four auxiliary arm sections 501 and the connecting base 502, and details are not described herein.

The auxiliary connecting beam assembly 500 can increase the force of the connecting beam assembly and effectively improve the connection. The stability of the beam assembly.

 The connecting beam assembly and the truss arm system of the invention can improve the force capacity of the truss arm and increase the overall stability of the truss arm system, and the structure is simple, the cost is low, and the adjustment is easy, and the installation is high and the installation is high. Precision.

 The above is only the embodiment of the present invention, and is not intended to limit the scope of the invention, and the equivalent structure or equivalent process transformations made by the specification and the drawings of the present invention may be directly or indirectly applied to other related technologies. The scope of the invention is included in the scope of patent protection of the present invention.

Claims

Rights request  A connecting beam assembly, characterized in that the connecting beam assembly comprises two first arm sections and two second arm sections arranged in a cross, the two first arm sections and the two second sections One end of the arm section is connected at a first intersection position, wherein the two first arm sections are adjacently disposed and adjustable in length. 2. The connecting beam assembly of claim 1 , wherein the connecting beam assembly further comprises a connector seat at the first intersecting position, the two first arm segments and the two second portions One end of the arm joint is connected to the connecting seat, respectively. 3. The connecting beam assembly according to claim 2, wherein one end of the two first arm segments and the two second arm segments are respectively hinged with the connecting seat to adjust the two An angle between the first arm section and the two second arm sections. 4. The connecting beam assembly according to claim 1, wherein the first arm section includes a body arm section and a movable arm section that are fixed to each other, and a fixing between the body arm section and the movable arm section The position is adjustable along the length of the first arm section to adjust the length of the first arm section. The connecting beam assembly according to claim 4, wherein the movable arm section is inserted into the main body arm section along a length direction of the first arm section, and the main arm section is provided with a first flange, the first arm section further comprising a sleeve sleeved and fixed on the movable arm section, the kit is provided with a second flange, and the first flange is provided with a first insertion a second insertion hole is disposed on the second flange, and the first flange and the second flange are threaded through the first insertion hole and the second insertion hole The fasteners are coupled to adjust the spacing between the first flange and the second flange along the length of the first arm section. 6. The connecting beam assembly of claim 5, wherein the kit is further The step is provided with a third jack, the movable arm section is provided with a plurality of fourth jacks along the length direction of the first arm section, and the movable arm section and the kit are inserted into the third plug The hole is coupled to the pin holder in any one of the fourth sockets to adjust a fixed position between the movable arm section and the sleeve along the length of the first arm section. 7. The connecting beam assembly of claim 6, wherein the adjustable length of the threaded fastener and the minimum hole spacing between each of the fourth receptacles are both 200 millimeters. 8. The connecting beam assembly of claim 1 , wherein the connecting beam assembly further comprises two first mounts hingedly coupled to the other ends of the two first arm segments, respectively, and to the Two second mounts hinged at the other ends of the two second arm sections, the two first mounts and/or the two second mounts being mobile mounts. 9. The connecting beam assembly according to claim 8, wherein the moving mount comprises two clamping members and a threaded fixing member for connecting the two clamping members, such that the two The clamping member clamps the truss arm assembly. 10. The connecting beam assembly according to claim 9, wherein the moving fixing seats disposed adjacent to each other are perpendicular to each other in a clamping direction of the truss arm assembly. 11. A truss arm system, characterized in that the truss arm system comprises two truss arm assemblies spaced apart from each other and inclined, and any one of claims 1-10 connected between the two truss arm assemblies The connecting beam assembly described in the item. 12. The truss arm system of claim 11, wherein the truss arm system comprises two spaced apart connecting beam assemblies, the truss arm system further comprising a connection An auxiliary connecting beam assembly of the two connecting beam assemblies, the auxiliary connecting beam assembly includes four auxiliary arm segments disposed in an intersection, and one ends of the four auxiliary arm segments are connected at a second intersecting position, the four auxiliary The other ends of the arm segments are respectively coupled to the connecting beam assembly. 13. The truss arm system according to claim 12, wherein the auxiliary connecting beam assembly further comprises an auxiliary connecting seat disposed at the second intersecting position, wherein one end of the four auxiliary arm segments are respectively The auxiliary connector is hinged, and the other ends of the four auxiliary arm segments are respectively hinged with the connecting beam assembly.