CN210483758U - First-level arm support for engineering machinery - Google Patents

Abstract

The utility model discloses a primary arm support for engineering machinery, which comprises a U-shaped front side plate, a U-shaped rear side plate, a U-shaped bottom plate A, a U-shaped bottom plate B, a U-shaped front reinforcing plate and a U-shaped rear reinforcing plate, wherein the tail end of the front side plate is welded with the tail end of the U-shaped rear side plate to form a primary arm body; both sides of the concave surfaces of the bottom plate A and the bottom plate B are respectively welded with the front side plate and the rear side plate; the tail end of the front reinforcing plate is welded with the tail end of the rear reinforcing plate, the inner concave surface of the front reinforcing plate and the inner concave surface of the rear reinforcing plate are spliced to form a rectangular channel B, and one end of the first-stage arm body is inserted into the rectangular channel B; the inner concave surface of the front reinforcing plate is welded with the outer convex surface of the front side plate, and the rear reinforcing plate is welded with the outer convex surface of the rear side plate; the weld path A between the front and rear side plates is offset from the weld path B between the front and rear reinforcing plates. The utility model discloses stagger welding bead A and welding bead B and distribute to with the welding bead dispersion, avoid the welding position to concentrate and lead to the arm body to appear from the condition that the welding position broke apart.

Description

First-level arm support for engineering machinery

Technical Field

The utility model relates to a tunnel construction technical field, concretely relates to one-level cantilever crane for engineering machine tool.

Background

In anchor rod platform truck, drill jumbo and the steel bow member erection equipment in the tunnel, all need use the manipulator. The mechanical arm is composed of connecting rod parts and can be controlled in multiple angles and stretched. According to the position of each manipulator, which is far away from the vehicle body or the mounting seat, each arm body of the manipulator is named as a primary arm assembly, a secondary arm assembly and a tertiary arm assembly from near to far.

The existing primary arms are all welded parts, but the primary arms lack a reinforcing part at a key part, are concentrated in welding parts, not only cause difficult welding, but also are easy to break due to the concentrated welding parts, and influence the normal use of related engineering machinery.

Disclosure of Invention

The utility model aims to provide a: the primary arm support for the engineering machinery is provided, and the problems that the primary arms are all welded parts, but the primary arms lack reinforcing parts at key positions, the welding positions are concentrated, welding is difficult, the welding positions are concentrated, the primary arms are prone to fracture and influence normal use of the related engineering machinery are solved. The utility model discloses a to the reconfiguration of one-level cantilever crane, increased the strengthening part at key position to disperseed welding position, improved arm body bulk strength performance, promoted its life, guaranteed that the engineering operation goes on smoothly.

The utility model adopts the technical scheme as follows:

the primary arm support for the engineering machinery comprises a front side plate, a rear side plate, a bottom plate A, a bottom plate B, a front reinforcing plate and a rear reinforcing plate which are all U-shaped, wherein the tail end of the front side plate is welded with the tail end of the rear side plate to form a primary arm body, and the concave surface of the front side plate and the concave surface of the rear side plate are spliced to form a rectangular channel A;

the bottom plate A and the bottom plate B are positioned below the first-stage arm body, two sides of an inner concave surface of the bottom plate A are respectively welded with the front edge plate and the rear edge plate, two ends of the lower surface of the bottom plate A are respectively welded with the lug plate A and the lug plate B, and the lower surface of the bottom plate B is welded with the oil cylinder mounting assembly;

the front reinforcing plate and the rear reinforcing plate are positioned on one side, far away from the bottom plate A, of the bottom plate B, the tail end of the front reinforcing plate is welded with the tail end of the rear reinforcing plate, the inner concave surface of the front reinforcing plate and the inner concave surface of the rear reinforcing plate are spliced to form a rectangular channel B, and one end, far away from the bottom plate A, of the primary arm body is inserted into the rectangular channel B; the inner concave surface of the front reinforcing plate is welded with the outer convex surface of the front side plate, and the rear reinforcing plate is welded with the outer convex surface of the rear side plate;

the weld path A between the front and rear side plates is offset from the weld path B between the front and rear reinforcing plates.

In the utility model, the arm body is divided into the U-shaped front side plate and the U-shaped rear side plate, which is convenient for manufacturing each single part and processing the hole structure; and meanwhile, a U-shaped bottom plate A, a U-shaped bottom plate B, a U-shaped reinforcing plate A and a U-shaped reinforcing plate B are arranged on the welding head, so that the integrity of the front side plate and the back side plate is reinforced, and the welding paths A between the front side plate and the back side plate and the welding paths B between the front reinforcing plate and the back reinforcing plate are distributed in a staggered manner, so that the welding paths are dispersed, and the condition that the arm body is broken and cracked from the welding part due to the concentrated welding part is avoided.

Due to the adoption of the technical scheme, the beneficial effects of the utility model are that:

1. the first-level arm support for the engineering machinery divides the arm body into a U-shaped front side plate and a U-shaped rear side plate, so that the manufacturing of each single part and the processing of a hole structure are facilitated; meanwhile, a U-shaped bottom plate A, a U-shaped bottom plate B, a U-shaped reinforcing plate A and a U-shaped reinforcing plate B are arranged on the welding head, so that the integrity of the front side plate and the rear side plate is reinforced, and welding beads A between the front side plate and the rear side plate and welding beads B between the front reinforcing plate and the rear reinforcing plate are distributed in a staggered manner so as to disperse the welding beads, so that the situation that the arm body is broken and cracked from the welding part due to the concentrated welding part is avoided;

2. the first-level arm support for the engineering machinery is provided with two mounting seats symmetrically, so that a plurality of oil cylinders with the same action can be conveniently mounted; meanwhile, the mounting seat is fixed below the first-stage arm body through the bottom plate B and the supporting plate, so that the fixing stability of the mounting seat is improved;

3. the utility model discloses one-level cantilever crane for engineering machine tool, the setting in component groove is convenient for when the welding, carries out the stress dispersion through the component groove when welding stress is too big.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments are briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, for those skilled in the art, other related drawings can be obtained according to the drawings without creative efforts, and the proportional relationship of each component in the drawings in the present specification does not represent the proportional relationship in the actual material selection design, and is only a schematic diagram of the structure or the position, in which:

fig. 1 is a front view of the present invention;

fig. 2 is a top view of the present invention;

fig. 3 is a bottom view of the present invention;

FIG. 4 is a cross-sectional view A-A of FIG. 1;

FIG. 5 is a cross-sectional view B-B of FIG. 1;

FIG. 6 is a cross-sectional view of C-C of FIG. 1;

FIG. 7 is a cross-sectional view E-E of FIG. 2;

FIG. 8 is a cross-sectional view F-F of FIG. 1;

FIG. 9 is a cross-sectional view G-G of FIG. 2;

FIG. 10 is a cross-sectional view taken at H-H in FIG. 1;

FIG. 11 is a cross-sectional view of J-J of FIG. 2;

FIG. 12 is a cross-sectional view taken along line K-K of FIG. 1;

fig. 13 is a cross-sectional view of L-L in fig. 3.

Reference numerals in the drawings indicate:

1-front side plate, 2-distance sleeve, 3-tail base plate, 4-upper sealing plate, 5-bottom plate A, 6-lug plate A, 7-front reinforcing plate, 8-rear reinforcing plate, 9-end plate, 10-middle supporting plate, 11-rear side plate, 12-lining plate, 13-base connecting plate, 14-slider mounting seat, 15-rib plate A, 16-supporting plate, 17-pipe distribution fixing plate, 18-oil cylinder valve block mounting plate A, 19-oil cylinder valve block mounting plate B, 20-lug plate B, 21-mounting plate, 22-rib plate B, 23-reinforcing rib, 24-connecting rib, 25-oil cylinder mounting plate A, 26-transverse rib, 27-C, 28-bottom plate B, 29-rectangular channel A, 30-welding bead A, 31-welding bead B, 32-limit plate, 33-oil cylinder mounting seat plate B.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention, i.e., the described embodiments are only some, but not all embodiments of the invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiment of the present invention, all other embodiments obtained by the person skilled in the art without creative work belong to the protection scope of the present invention.

All of the features disclosed in this specification, or all of the steps in any method or process so disclosed, may be combined in any combination, except combinations of features and/or steps that are mutually exclusive.

The present invention will be described in detail with reference to fig. 1 to 13.

Example 1

As shown in fig. 1-13, the first-stage boom for engineering machinery of the present invention includes a front side plate 1, a rear side plate 11, a bottom plate a5, a bottom plate B28, a front reinforcing plate 7 and a rear reinforcing plate 8, which are U-shaped, wherein the end of the front side plate 1 is welded to the end of the rear side plate 11 to form a first-stage boom body, and an inner concave surface of the front side plate 1 and an inner concave surface of the rear side plate 11 are spliced to form a rectangular channel a 29;

the bottom plate A5 and the bottom plate B28 are positioned below the primary arm body, two sides of an inner concave surface of the bottom plate A5 and the bottom plate B28 are respectively welded with the front edge plate 1 and the rear edge plate 11, two ends of the lower surface of the bottom plate A5 are respectively welded with an ear plate A6 and an ear plate B20, and the lower surface of the bottom plate B28 is welded with an oil cylinder mounting assembly;

the front reinforcing plate 7 and the rear reinforcing plate 8 are both positioned on one side, away from the bottom plate A5, of the bottom plate B28, the tail end of the front reinforcing plate 7 is welded with the tail end of the rear reinforcing plate 8, the inner concave surface of the front reinforcing plate 7 and the inner concave surface of the rear reinforcing plate 8 are spliced to form a rectangular channel B, and one end, away from the bottom plate A5, of the primary arm body is inserted into the rectangular channel B; the inner concave surface of the front reinforcing plate 7 is welded with the outer convex surface of the front edge plate 1, and the outer convex surface of the rear reinforcing plate 7 is welded with the outer convex surface of the rear edge plate 11;

the weld path a30 between the front and rear side plates 1 and 11 is offset from the weld path B31 between the front and rear reinforcing plates 7 and 8.

In the utility model, the arm body is divided into the U-shaped front plate 1 and the U-shaped rear plate 11, which is convenient for manufacturing each single part and processing the hole structure; meanwhile, a bottom plate A, a bottom plate B, a reinforcing plate A and a reinforcing plate B which are all U-shaped are arranged on the front reinforcing plate 1 and the rear reinforcing plate 11 to reinforce the integrity of the front reinforcing plate 1 and the rear reinforcing plate 11, and the welding paths are dispersed by staggering the welding path A30 between the front reinforcing plate 1 and the rear reinforcing plate 11 and the welding path B31 between the front reinforcing plate 7 and the rear reinforcing plate 8, so that the situation that the arm body is broken and split from the welding position due to the concentrated welding position is avoided.

Example 2

The present embodiment is an explanation of an implementation structure of the cylinder mounting assembly.

As shown in fig. 1-13, in the present invention, the cylinder mounting assembly includes a supporting plate 16 and a mounting seat, the supporting plate 16 is an isosceles trapezoid, the upper bottom of which is welded to a bottom plate B28, and the central line of which is orthogonal to the axis of a rectangular channel a 29;

the mounting seat has two, and respectively everyone is located the stringcourse department of backup pad 16, and the mounting seat includes limiting plate 32 and all is connected with installation bedplate A25 and installation bedplate B33 that the stringcourse that is close to on the backup pad 16 with it is parallel, the both ends of limiting plate 32 are connected with installation bedplate A25 and installation bedplate B33 respectively, and installation bedplate B33 is located the one side that installation bedplate A25 kept away from backup pad 16, installation bedplate A25 and installation bedplate B33 all are on a parallel with the axis of rectangular channel A29, and wherein the one end of installation bedplate A25 is connected with backup pad 16.

The oil cylinder mounting assembly is used for mounting an oil cylinder. The two mounting seats are symmetrically arranged, so that a plurality of oil cylinders which act simultaneously can be conveniently mounted; meanwhile, the mounting seat is fixed below the first-level arm body through the bottom plate B and the supporting plate 16, and the fixing stability of the mounting seat is improved.

Further, a force component groove 34 is provided on the lower bottom of the support plate 16, the axis of the force component groove 34 is parallel to the axis of the rectangular passage a29, and the cross section of the force component groove 34 is semicircular.

The force distribution grooves are provided to disperse the stress through the force distribution grooves 34 when the welding stress is excessive during welding.

Example 3

This embodiment is further illustrated for the stability structure of the present invention.

As shown in fig. 1-13, in the present invention, an end connection assembly is disposed at one end of the primary arm body away from the front reinforcing plate 7, the end connection assembly includes a side assembly and an upper sealing plate 4, the side assembly includes a tailstock plate 3, a distance sleeve 2 and a seat connection plate 13, the tailstock plate 3 is perpendicular to the horizontal plane, the distance sleeve 2 is fixed at one side of the tailstock plate 3, and a through hole thereon penetrates through the tailstock plate 3, the seat connection plate 13 is parallel to the tailstock plate 3, one side thereof is connected with the tailstock plate 3, and the other end thereof is connected with a side wall of the distance sleeve 2;

the two side assemblies are symmetrical along the axis of the rectangular channel A29, and the opposite sides of the tailstock plates 3 in the two side assemblies are respectively welded with the outer convex surfaces of the front side plate 1 and the rear side plate 11;

the upper sealing plate 4 is positioned above the primary arm body, and two sides of the lower surface of the upper sealing plate are respectively welded with the front edge plate 1 and the rear edge plate 11.

The end connecting assembly is convenient for hinging the first-level arm body with the machine body.

Further, a large arm lining plate 12 is arranged between the side components, two sides of the large arm lining plate 12 are respectively welded with one tail seat plate 3, one side of the large arm lining plate 12 facing the reinforcing plate a is welded with the end portion of the upper sealing plate 4, and the large arm lining plate 12 is used for fixing the free ends of the two tail seat plates 3 to prevent the space between the two tail seat plates from being enlarged.

Example 4

This embodiment is further illustrated for the stability structure of the present invention.

As shown in fig. 1-13, in the present invention, a middle support plate 10 is disposed between the bottom plate B28 and the reinforcing plate 7, the middle support plate 10 is U-shaped and located above the first-level arm body, and both sides of the inner concave surface thereof are welded to the front edge plate 1 and the rear edge plate 11, respectively.

The middle support plate 10 further reinforces the integrity of the front and rear side plates 1 and 2.

Example 5

This embodiment is to further explain the structure of the local reinforcement of the present invention.

As shown in fig. 1-13, in the present invention, one side of the first-level arm body close to the reinforcing plate a is provided with an end plate 9, the end plate 9 is provided with a through hole, and the end plate 9 is sleeved on one side of the reinforcing plate a and the reinforcing plate B through the through hole.

The end plate 9 is arranged to reinforce the integrity of the reinforcement plates a and B, thereby further reinforcing the integrity of the present invention.

Furthermore, two sides of the ear plate A6 are respectively provided with a connecting rib 24 and a rib plate 15, the side walls of the connecting rib 24 and the rib plate 15 are both welded with the ear plate A6, and the top ends of the connecting rib 24 and the rib plate 15 are both welded with the bottom plate A5;

rib plates B22 and rib plates C27 are respectively arranged on two sides of the ear plate B20, the side walls of the rib plates B22 and the rib plates C27 are welded with the ear plate B20, and the top ends of the rib plates B22 and the rib plates C27 are welded with the bottom plate A5.

The arrangement of the rib plates and the connecting ribs is used for enhancing the fixing stability of each ear plate and preventing the ear plates from being separated from the bottom plate A.

Preferably, two of the ear plates a6 are arranged under the bottom plate a5 opposite to each other, and reinforcing ribs 23 are arranged on the back surfaces of the ear plates a6 opposite to each other. A transverse rib 26 is welded to the ear panel a6 on the side thereof adjacent to the ear panel 20B.

Example 6

The present embodiment is to further explain the structure of the present invention.

As shown in fig. 1 to 13, in the present invention, a slider mounting seat 14 is mounted above the front reinforcing plate 7 and the rear reinforcing plate 8.

Both sides of the middle plate of the front side plate 1 are provided with a pipe distribution fixing plate 17; cylinder valve block mounting plates A18 are arranged above the front reinforcing plate 7 and the rear reinforcing plate 8, and cylinder valve block mounting plates B19 are arranged on the middle plate of the front side plate and between the pipe distribution fixing plates 17.

The above description is only for the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can be covered within the protection scope of the present invention without the changes or substitutions conceived by the inventive work within the technical scope disclosed by the present invention. Therefore, the protection scope of the present invention should be subject to the protection scope defined by the claims.

Claims (8)

1. The first-level arm support for the engineering machinery is characterized in that: the arm comprises a front side plate (1), a rear side plate (11), a bottom plate A (5), a bottom plate B (28), a front reinforcing plate (7) and a rear reinforcing plate (8) which are all U-shaped, wherein the tail end of the front side plate (1) is welded with the tail end of the rear side plate (11) to form a primary arm body, and the inner concave surface of the front side plate (1) and the inner concave surface of the rear side plate (11) are spliced to form a rectangular channel A (29);

the bottom plate A (5) and the bottom plate B (28) are positioned below the primary arm body, two sides of an inner concave surface of the bottom plate A are respectively welded with the front side plate (1) and the rear side plate (11), two ends of the lower surface of the bottom plate A (5) are respectively welded with the lug plate A (6) and the lug plate B (20), and the lower surface of the bottom plate B (28) is welded with the oil cylinder mounting assembly;

the front reinforcing plate (7) and the rear reinforcing plate (8) are located on one side, away from the bottom plate A (5), of the bottom plate B (28), the tail end of the front reinforcing plate (7) is welded with the tail end of the rear reinforcing plate (8), the inner concave surface of the front reinforcing plate (7) and the inner concave surface of the rear reinforcing plate (8) are spliced to form a rectangular channel B, and one end, away from the bottom plate A (5), of the primary arm body is inserted into the rectangular channel B; the inner concave surface of the front reinforcing plate (7) is welded with the outer convex surface of the front side plate (1), and the outer convex surface of the rear reinforcing plate (7) is welded with the outer convex surface of the rear side plate (11);

a weld bead A (30) between the front side plate (1) and the rear side plate (11) is offset from a weld bead B (31) between the front reinforcing plate (7) and the rear reinforcing plate (8).

2. The primary boom for construction machinery as claimed in claim 1, wherein: the oil cylinder mounting assembly comprises a supporting plate (16) and a mounting seat, wherein the supporting plate (16) is in an isosceles trapezoid shape, the upper bottom of the supporting plate is welded with a bottom plate B (28), and the central line of the supporting plate is positively intersected with the axis of a rectangular channel A (29);

the mount pad has two, respectively everyone is located the waistline department of backup pad (16), and the mount pad includes limiting plate (32) and all with backup pad (16) go up with its parallel installation bedplate A (25) of the waistline that is close to and installation bedplate B (33), the both ends of limiting plate (32) are connected with installation bedplate A (25) and installation bedplate B (33) respectively, and installation bedplate B (33) are located one side that backup pad (16) were kept away from in installation bedplate A (25), installation bedplate A (25) and installation bedplate B (33) all are on a parallel with the axis of rectangular channel A (29), and wherein the one end of installation bedplate A (25) is connected with backup pad (16).

3. The primary boom for construction machinery as claimed in claim 2, wherein: a component force groove (34) is arranged on the lower bottom of the support plate (16), the axis of the component force groove (34) is parallel to the axis of the rectangular channel A (29), and the cross section of the component force groove (34) is semicircular.

4. The primary boom for construction machinery as claimed in claim 1, wherein: an end connecting assembly is arranged at one end, far away from the front reinforcing plate (7), of the primary arm body, and comprises a side assembly and an upper sealing plate (4), the side assembly comprises a tailstock plate (3), a distance sleeve (2) and a seat connecting plate (13), the tailstock plate (3) is perpendicular to the horizontal plane, the distance sleeve (2) is fixed on one side of the tailstock plate (3), a through hole in the distance sleeve penetrates through the tailstock plate (3), the seat connecting plate (13) is parallel to the tailstock plate (3), one side of the seat connecting plate is connected with the tailstock plate (3), and the other end of the seat connecting plate is connected with the side wall of the distance sleeve (2);

the two side assemblies are symmetrical along the axis of the rectangular channel A (29), and the opposite sides of the tailstock plates (3) in the two side assemblies are respectively welded with the outer convex surfaces of the front side plate (1) and the rear side plate (11);

the upper sealing plate (4) is positioned above the primary arm body, and two sides of the lower surface of the upper sealing plate are respectively welded with the front edge plate (1) and the rear edge plate (11).

5. The primary boom for engineering machinery as claimed in claim 4, wherein: and a large arm lining plate (12) is arranged between the side components, two sides of the large arm lining plate (12) are respectively welded with one tail seat plate (3), and one side of the large arm lining plate (12) facing the reinforcing plate A is welded with the end part of the upper sealing plate (4).

6. The primary boom for construction machinery as claimed in claim 1, wherein: a middle supporting plate (10) is arranged between the bottom plate B (28) and the reinforcing plate (7), the middle supporting plate (10) is U-shaped and is positioned above the first-stage arm body, and two sides of an inner concave surface of the middle supporting plate are respectively welded with the front side plate (1) and the rear side plate (11).

7. The primary boom for construction machinery as claimed in claim 1, wherein: one side of the first-level arm body close to the reinforcing plate A is provided with an end plate (9), a through hole is formed in the end plate (9), and the end plate (9) is sleeved on one side of the reinforcing plate A and one side of the reinforcing plate B through the through hole.

8. The primary boom for construction machinery according to any one of claims 1 to 7, wherein: connecting ribs (24) and rib plates (15) are respectively arranged on two sides of the ear plate A (6), the side walls of the connecting ribs (24) and the rib plates (15) are welded with the ear plate A (6), and the top ends of the connecting ribs and the rib plates are welded with the bottom plate A (5);

and rib plates B (22) and rib plates C (27) are respectively arranged on two sides of the ear plate B (20), the side walls of the rib plates B (22) and the rib plates C (27) are welded with the ear plate B (20), and the top ends of the rib plates B (22) and the rib plates C (27) are welded with the bottom plate A (5).

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