CN214087382U

CN214087382U - Counterweight for load test of automobile crane

Info

Publication number: CN214087382U
Application number: CN202022082911.7U
Authority: CN
Inventors: 田峰; 李远奎; 徐鹏; 陈凯
Original assignee: State Owned Wuhan Xinyu Machine Factory
Current assignee: State Owned Wuhan Xinyu Machine Factory
Priority date: 2020-09-21
Filing date: 2020-09-21
Publication date: 2021-08-31
Anticipated expiration: 2030-09-21

Abstract

The utility model discloses a counter weight for mobile crane load test mainly includes the casting body, hypoplastron, kerve board, rectangular channel, end plate, inner panel, lifting hole, upper plate, lifting seat, awl inclined plane, mainboard, the protruding strip of rectangle, protruding edge, pin pole, protruding dish and dish groove, welding groove has been seted up at both ends middle part about the mainboard, the mainboard is located the outer wall welded fastening who welds the concave position and installs the end plate, and the bolt hole has been seted up to end plate lower part inboard, controls two be provided with the inner panel between the end plate, the bolt blind hole has been seted up at both ends about the inner panel, through bolt fixed mounting between end plate and the inner panel, the joint groove has been seted up at both ends about the inner panel, the end plate inlays via joint groove and inner panel and establishes the connection. The utility model discloses structurally the design is simple reasonable, safe and reliable, and the lifting load uses convenient and fast, and inner structure intensity is high, and the counter weight is pour structural cost low, and the practicality is very high.

Description

Counterweight for load test of automobile crane

Technical Field

The utility model relates to a weight specifically is a counterweight weight for mobile crane load test.

Background

According to the requirements of GB/T6068-2008 'test specification of automobile cranes and tire cranes', an automobile crane factory test needs to carry out load tests such as rated loads, corresponding loads need to be hoisted under different working conditions, the operation performance of the automobile cranes is verified, and in modern mass measurement, weights are standard measuring tools for mass quantity value transmission. The mass value is based on a platinum-iridium alloy kilogram original device material object stored in the French International Bureau of measurement as a unique reference device. The weights are divided into national kilogram standard, national kilogram auxiliary standard, kilogram working standard, working standard group composed of times and weight of kilogram and various working standard weights.

When the basic arm is lifted under the working condition in the test, the load is close to the chassis and the supporting leg mechanism, and simultaneously, the lifting and the horizontal rotation are required, the length, the width, the height, the symmetry degree of the mass center and the strength of the counterweight are strictly required, and the lifting risk coefficient is large.

Therefore, the person skilled in the art provides a counterweight for a load test of a truck crane to solve the problems mentioned in the background art.

Disclosure of Invention

The utility model aims at providing a mobile crane is counter weight for load test to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a counterweight for a load test of an automobile crane mainly comprises a casting body, a lower plate, a bottom groove plate, a rectangular groove, an end plate, an inner plate, lifting holes, an upper plate, a lifting seat, a conical inclined plane, a main plate, rectangular convex strips, convex edges, pin rods, a convex disc and a disc-shaped groove, wherein the middle parts of the left end and the right end of the main plate are provided with welding grooves, the outer wall of the main plate in the welding concave part is fixedly welded with the end plate, the inner side of the lower part of the end plate is provided with bolt holes, the inner plate is arranged between the left end plate and the right end plate, the left end and the right end of the inner plate are provided with bolt blind holes, the end plate and the inner plate are fixedly installed through bolts, the left end and the right end of the inner plate are provided with clamping grooves, the end plate is connected with the inner plate in an embedded mode through the clamping grooves, the outer side wall of the end plate is flush with the outer wall of the end part of the inner plate, the pin rods which are symmetrically arranged are fixedly installed at the edges of the left end plate and the left end of the main plate, the lifting seat is sleeved outside the pin rods, the middle part of the top end of the lifting seat is provided with an inner groove, the main board is embedded and clamped with the lifting seat through the inner groove, a convex edge is arranged at the edge of the top end of the lifting seat, a through hole matched with the pin rod is arranged at the position of the convex edge of the lifting seat, a lifting hole is arranged at the lower part of the lifting seat in a penetrating way, an upper plate is fixedly arranged on the front and back side walls of the main plate, the middle part of the top end of the main board is provided with a rectangular convex strip, the middle part of the top end of the main board is provided with a convex disc, the convex disc and the rectangular convex strip are integrally manufactured, a casting body is cast at the lower side of the main board, convex edges are arranged at the left end and the right end of the casting body, the convex edges and the casting body are integrally formed, a bottom groove plate is fixedly embedded in the middle of the bottom end of the pouring body, a rectangular groove is arranged in the middle of the inner side of the bottom groove plate, the middle part of the inner side of the bottom groove plate is provided with a disc-shaped groove, the disc-shaped groove and the rectangular groove are alternately penetrated into a whole, and the front side wall and the rear side wall of the bottom groove plate are fixedly provided with front and rear symmetrical lower plates.

As a further aspect of the present invention: the upper plate is arranged symmetrically in the front and back direction, and the edge of the upper plate is provided with a circular arc-shaped folding angle.

As a further aspect of the present invention: the lower plate is symmetrically arranged in the front and back direction, and the edge of the lower plate is provided with an arc-shaped break angle.

As a further aspect of the present invention: the rectangular protruding strips and the front and rear side walls of the protruding disc are provided with conical inclined planes, and the edges of the rectangular groove and the disc-shaped groove are matched with the conical inclined planes in shape.

As a further aspect of the present invention: the number of the inner plates is at least two.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses structurally the design is simple reasonable, safe and reliable, and the lifting load uses convenient and fast, and inner structure intensity is high, and the counter weight is pour structural cost low, and the practicality is very high.

Drawings

Fig. 1 is a schematic diagram of a stack of counterweight weights for a load test of an automobile crane.

Fig. 2 is a schematic front view, a schematic top view and a schematic bottom view of a counterweight for a load test of an automobile crane.

Fig. 3 is a schematic side view of a counterweight for a load test of a mobile crane.

Fig. 4 is an enlarged view of a part of a counterweight for a load test of an automobile crane.

In the figure: the device comprises a pouring body 1, a lower plate 2, a bottom groove plate 3, a rectangular groove 4, an end plate 5, an inner plate 6, a lifting hole 7, an upper plate 8, a lifting seat 9, a conical inclined surface 10, a main plate 11, a rectangular convex strip 12, a convex edge 13, a pin rod 14, a convex disc 15 and a disc-shaped groove 16.

Detailed Description

In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected" and "disposed" are to be construed broadly, and may for example be fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious 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 work belong to the protection scope of the present invention.

Referring to fig. 1-4, in the embodiment of the present invention, a counterweight for a load test of an automobile crane mainly includes a casting body 1, a lower plate 2, a bottom groove plate 3, a rectangular groove 4, an end plate 5, an inner plate 6, a lifting hole 7, an upper plate 8, a lifting seat 9, a tapered inclined surface 10, a main plate 11, a rectangular protruding strip 12, a protruding edge 13, a pin 14, a protruding disk 15 and a disk-shaped groove 16, wherein a welding groove is formed in the middle of the left and right ends of the main plate 11, the end plate 5 is fixedly welded to the outer wall of the main plate 11 located in the welding recess, a bolt hole is formed in the inner side of the lower portion of the end plate 5, an inner plate 6 is disposed between the left and right end plates 5, blind bolt holes are formed in the left and right ends of the inner plate 6, fastening grooves are formed in the left and right ends of the inner plate 6, the end plate 5 is connected with the inner plate 6 by being embedded in the fastening grooves, the outer side wall of the end plate 5 is flush with the outer wall of the end part of the inner plate 6, pin rods 14 which are symmetrically arranged are fixedly installed at the edges of the left end and the right end of the main plate 11, a lifting seat 9 is installed on the outer side of each pin rod 14 in a sleeved mode, the middle of the top end of the lifting seat 9 is provided with an inner groove, the main plate 11 is clamped with the lifting seat 9 through the inner groove, a convex edge is arranged at the edge of the top end of the lifting seat 9, through holes matched with the pin rods 14 are formed in the position, at the convex edge, of the lifting seat 9, a lifting hole 7 is formed in the lower portion of the lifting seat 9 in a penetrating mode, an upper plate 8 is fixedly installed on the front side wall, the rear side wall and the rear side wall of the main plate 11, rectangular convex strips 12 are arranged in the middle of the top end of the main plate 11, a convex plate 15 is arranged in the middle of the top end of the main plate 11, the convex plate 15 and the rectangular convex strips 12 are integrally manufactured, a pouring body 1 is poured on the lower side of the main plate, and the left end and right end of the pouring body are provided with convex edges 13, protruding edge 13 and the 1 integrated into one piece of body of casting, 1 bottom middle part of the body of casting inlays and establishes fixed mounting has

kerve board

3, and 3 inboard middle parts of kerve board are provided with

rectangular channel

4, 3 inboard middle parts of kerve board are provided with dish groove 16, and dish groove 16 and rectangular channel 4 alternately run through into an organic whole, the lower board 2 of symmetry around the back lateral wall fixed mounting is around 3 preceding back side walls of kerve board.

The upper plate 8 is arranged symmetrically in the front and back direction, and the edge of the upper plate 8 is provided with a circular arc-shaped folding angle.

The lower plate 2 is symmetrically arranged front and back, and the edge of the lower plate 2 is provided with an arc-shaped break angle.

The front side wall and the rear side wall of the rectangular protruding strip 12 and the protruding disc 15 are provided with conical inclined planes 10, and the edges of the rectangular groove 4 and the disc-shaped groove 16 are provided with a shape matched with the conical inclined planes 10.

The number of the inner plates 6 is at least two.

The utility model discloses a theory of operation is:

the utility model relates to a balance weight for mobile crane load test, this device is used for the experiment counter weight, in operation, the lifting balance weight of design contains 1t, 2t, 5t, 10t, 20t a plurality ofly, each weight simple structure, built-in fossil fragments, overall structure intensity is high, and is small, and fossil fragments adopt the material that excels in, it adopts low-priced counter weight material to water body 1, boss and recess have respectively about the weight to carry on spacingly, can directly superpose the connection, can be according to the required load of actual conditions independent assortment. This set of weight is given first place to 5t, 10t, and 20t weight holds in the palm the end, adopts two wire rope pockets to hang, lifts by crane safe and reliable, and factor of safety is reliable, both had been applicable to mobile crane's load test, also can be used to the load test of other products, and this application simple structure, safe and reliable hangs and carries the convenience, through practical verification, can satisfy mobile crane test standard requirement

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A counterweight for an automobile crane load test mainly comprises a pouring body (1), a lower plate (2), a bottom groove plate (3), a rectangular groove (4), an end plate (5), an inner plate (6), lifting holes (7), an upper plate (8), a lifting seat (9), a conical inclined plane (10), a main plate (11), rectangular convex strips (12), convex edges (13), pin rods (14), convex discs (15) and disc-shaped grooves (16), and is characterized in that the middle parts of the left and right ends of the main plate (11) are provided with welding grooves, the outer wall of the main plate (11) in the welding concave part is fixedly welded with the end plate (5), the inner side of the lower part of the end plate (5) is provided with a bolt hole, an inner plate (6) is arranged between the left end plate and the right end plate (5), the left and right ends of the inner plate (6) are provided with bolt blind holes, and the end plate (5) and the inner plate (6) are fixedly installed through bolts, the inner plate (6) is provided with clamping grooves at the left end and the right end, the end plate (5) is embedded and connected with the inner plate (6) through the clamping grooves, the outer side wall of the end plate (5) is flush with the outer wall of the end part of the inner plate (6), the edges of the left end and the right end of the main plate (11) are fixedly provided with pin rods (14) which are symmetrically arranged, the outer side of each pin rod (14) is sleeved with a lifting seat (9), the middle part of the top end of each lifting seat (9) is provided with an inner groove, the main plate (11) is embedded and connected with the lifting seats (9) through the inner grooves, the edge of the top end of each lifting seat (9) is provided with a convex edge, the lifting seat (9) is provided with a through hole matched with the pin rods (14) at the position of the convex edge, the lower part of the lifting seat (9) is provided with a lifting hole (7) in a penetrating way, the front side wall and the rear side wall of the main plate (11) are fixedly provided with an upper plate (8), the middle part of the top end of the main plate (11) is provided with a rectangular convex strip (12), mainboard (11) top middle part is provided with protruding dish (15), and protruding dish (15) and the protruding strip of rectangle (12) an organic whole are made, mainboard (11) downside is pour and is watered body (1), waters body (1) and controls both ends and be provided with protruding edge (13), protruding edge (13) and water body (1) integrated into one piece, it inlays at the middle part of body (1) bottom and establishes fixed mounting bottom groove board (3), and bottom groove board (3) inboard middle part is provided with rectangular channel (4), bottom groove board (3) inboard middle part is provided with dish groove (16), and dish groove (16) and rectangular channel (4) alternately run through into an organic whole, lateral wall fixed mounting has symmetrical hypoplastron (2) around bottom groove board (3).

2. The counterweight for the load test of the automobile crane according to claim 1, wherein the upper plate (8) is arranged in a front-back symmetrical manner, and the edge of the upper plate (8) is an arc-shaped break angle.

3. The counterweight for the load test of the automobile crane according to claim 1, wherein the lower plate (2) is symmetrically arranged in front and back, and the edge of the lower plate (2) is an arc-shaped break angle.

4. The counterweight for the load test of the automobile crane according to claim 1, wherein the front and rear side walls of the rectangular convex strip (12) and the convex disc (15) are provided with conical inclined surfaces (10), and the edges of the rectangular groove (4) and the disc-shaped groove (16) are provided with a shape matched with the conical inclined surfaces (10).

5. The counterweight for the load test of the automobile crane according to claim 1, wherein the number of the inner plates (6) is at least two.