CN114877021B

CN114877021B - Counterweight, counterweight assembling tool, counterweight assembling method and overhead working truck

Info

Publication number: CN114877021B
Application number: CN202210558580.0A
Authority: CN
Inventors: 杨礼鹏; 郝春山; 陈桃; 贾立新; 李勇兵; 梁星蜜
Original assignee: Changsha Skyboom Heavy Industry Co ltd
Current assignee: Changsha Skyboom Heavy Industry Co ltd
Priority date: 2022-05-20
Filing date: 2022-05-20
Publication date: 2022-12-09
Anticipated expiration: 2042-05-20
Also published as: CN114877021A

Abstract

The invention provides a counterweight, a counterweight assembly tool, a counterweight assembly method and an aerial work vehicle. Counter weight assembly tool holds piece including bearing frame, pivot, gyro wheel, crow bar, support carrier block and lock, and the gyro wheel rotationally installs in bearing the frame bottom through the pivot, and crow bar and support carrier block are installed and are located the both sides of pivot respectively on bearing the frame to promote through the crow bar and make support carrier block insert the support groove of counter weight in, the lock is held the piece and is connected on bearing the frame, can dismantle with the connecting piece of counter weight and be connected. The counterweight, the counterweight assembling tool, the counterweight assembling method and the overhead working truck provided by the invention can reduce the labor intensity of workers, reduce the assembling difficulty, simplify the assembling process and improve the assembling efficiency.

Description

Counterweight, counterweight assembling tool, counterweight assembling method and overhead working truck

Technical Field

The invention relates to the technical field of overhead working trucks, in particular to a counterweight part, a counterweight assembling tool, a counterweight assembling method and an overhead working truck for a chassis of the overhead working truck.

Background

In order to maintain the force balance, aerial lift trucks or haulers are typically provided with a counterweight to increase the weight of their chassis itself. Because the counterweight part generally needs to be installed inside the chassis, the counterweight part is divided into a plurality of counterweight blocks with light weight in the prior art, and the counterweight blocks are transported into the chassis by manpower and then fixed, so that the technology has the advantages of high assembly difficulty, complex assembly and extremely low assembly efficiency, and greatly increases the manual labor of assembly workers; in addition, the whole weight of the existing counterweight is too heavy to be carried by manpower, and no proper tool is used for installing the whole counterweight into the chassis. Therefore, a counterweight capable of being installed quickly is needed to reduce the labor intensity of workers and improve the assembly efficiency.

Disclosure of Invention

In view of the above, the invention provides a counterweight, a counterweight assembling tool, a counterweight assembling method and an overhead working truck, so as to reduce the labor intensity of workers, reduce the assembling difficulty, simplify the assembling process and improve the assembling efficiency.

The technical scheme of the invention is as follows:

the invention provides a counterweight, which comprises a main body and a connecting piece, wherein a bracket is arranged on the main body for supporting a counterweight assembling tool after being inserted, the connecting piece is connected to the main body and detachably connected with the counterweight assembling tool, and the counterweight is pried by matching the counterweight assembling tool with the bracket and the connecting piece.

Furthermore, the main body comprises a first surface, a second surface and a third surface, the first surface is connected with the second surface in an obtuse angle, the second surface is connected with the third surface, the connecting piece and the bracket are positioned on the third surface, and the main body can be supported on the ground through the first surface, so that the connecting piece and the bracket on the third surface are inclined upwards.

Further, the bracket is arranged at the joint of the second surface and the third surface.

Furthermore, the second surface is provided with a limiting groove, and the limiting groove penetrates through the first surface and is communicated with the bracket.

Further, the main part includes fourth surface, fifth surface and two terminal surfaces, and fourth surface one side and third surface connection, and the fourth surface opposite side is connected with fifth surface one side, and the fifth surface opposite side is connected with the first surface, and first surface, second surface, third surface, fourth surface and fifth surface connect gradually and form the pentagon structure, and two terminal surfaces block the both ends of pentagon structure respectively to form the pentagonal prism block.

The invention also provides a counterweight assembling tool which is used for assembling the counterweight, and comprises a bearing frame, a rotating shaft, a roller, a crowbar, a supporting and carrying block and a locking and holding piece, wherein the roller is rotatably arranged at the bottom of the bearing frame through the rotating shaft, the crowbar and the supporting and carrying block are arranged on the bearing frame and are respectively positioned at two sides of the rotating shaft so as to be pushed by the crowbar to enable the supporting and carrying block to be inserted into a supporting groove of the counterweight, and the locking and holding piece is connected to the bearing frame so as to be detachably connected with a connecting piece of the counterweight.

Further, bear the frame and include stand and crossbeam, the shaft hole has been seted up to the bottom portion of stand, and the shaft hole is worn to locate by the pivot, and the one end of crossbeam is connected on the stand, and the carrier block is held in the other end installation, and the locking is held and is installed on the crossbeam, and the crow bar is installed on the stand and is located the opposite side of crossbeam.

Furthermore, the locking piece comprises a clamping plate and a pin shaft, a groove is formed in the clamping plate, the clamping plate is rotatably connected to the bearing frame through the pin shaft, and the groove is clamped into the connecting piece through rotation of the clamping plate;

alternatively, the first and second electrodes may be,

the clamping plate is fixed on the bearing frame through a pin shaft, and the opening of the groove in the clamping plate faces upwards so as to be clamped into the connecting piece.

The invention also provides a counterweight assembling method, which comprises the steps of using the counterweight assembling tool to load the counterweight into a chassis of the overhead working truck, placing the counterweight and the overhead working truck on the ground, pushing the counterweight assembling tool to enable the carrying block to be inserted into the carrying groove, connecting the locking piece with the connecting piece to provide tension, applying force downwards at one end of the crowbar, prying the counterweight from the ground to enable the counterweight to be borne on the counterweight assembling tool, moving the counterweight assembling tool and the counterweight to the chassis of the overhead working truck together through the crowbar, pushing the counterweight into the chassis through the crowbar, separating the locking piece from the connecting piece, pulling the counterweight assembling tool outwards through the crowbar, and placing the counterweight into the chassis.

The invention also provides an overhead working truck which comprises a chassis and the counterweight, wherein the counterweight is arranged on the chassis.

The invention has the beneficial effects that:

the counterweight provided by the invention is matched with the main body provided with the bracket and the connecting piece connected to the main body, the counterweight and the aerial work vehicle are arranged on the ground, the counterweight assembling tool is inserted into the bracket, the connecting piece is detachably connected with the counterweight assembling tool, then the counterweight is upwards supported, the counterweight is transferred to the chassis of the aerial work vehicle through the counterweight assembling tool, and the counterweight is placed on the chassis. By adopting the counterweight part with the structural design, the problems of high labor intensity, high assembly difficulty, complex assembly and low assembly efficiency caused by the fact that the counterweight part needs to be carried manually in the prior art can be solved, the labor intensity of workers can be reduced, the assembly difficulty is reduced, the assembly process is simplified, and the assembly efficiency is improved.

According to the counterweight assembling tool, the support carrier block is matched with the support groove to be supported, the locking piece is connected with the connecting piece to provide tension, so that the counterweight on the ground is pried away from the ground, the counterweight assembling tool is pushed or pulled by the prying bar to move to the chassis of the high-altitude operation vehicle together with the counterweight, the counterweight is pushed onto the chassis, the locking piece is separated from the connecting piece, and the counterweight assembling tool is pulled outwards by the prying bar so that the counterweight is placed on the chassis. The counterweight assembling tool can be used for easily prying the counterweight from the ground and moving the counterweight to the chassis, and the counterweight assembling tool and the counterweight are convenient to separate, so that the labor intensity of workers is reduced, the assembling difficulty is reduced, the assembling process is simplified, and the assembling efficiency is improved.

Preferred embodiments of the present invention and their advantageous effects will be described in further detail with reference to specific embodiments.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings, there is shown in the drawings,

FIG. 1 is an exploded view of the aerial lift truck with the counterweight of the present invention installed;

FIG. 2 is a perspective view of a first perspective of the weight member of the present invention;

FIG. 3 is a perspective view of a second aspect of the weight member of the present invention;

FIG. 4 is a front view of the weight of the present invention;

FIG. 5 is a perspective view of the counterweight mounting tool of the present invention;

FIG. 6 is an enlarged view of a portion of the counterweight mounting tool of the present invention;

FIG. 7 is an exploded view of the counterweight mounting tool of the present invention;

FIG. 8 is a first state of use diagram of the present invention counterweight assembly tool;

FIG. 9 is a second state of use diagram of the present invention counterweight assembly tool.

The reference numbers indicate: the chassis 1, the counterweight 2, the counterweight installation cavity 11, the main body 21, the connecting piece 22, the bracket 23, the first surface 211, the second surface 212, the third surface 213, the limiting groove 210, the fourth surface 214, the fifth surface 215, the end surface 216, the connecting hole 24, the bearing frame 3, the rotating shaft 4, the roller 5, the crow bar 6, the bearing block 7, the locking piece 8, the upright column 31, the cross beam 32, the support plate 33, the clamping plate 81, the pin shaft 82, the groove 83 and the handle 9.

Detailed Description

The following detailed description of embodiments of the invention refers to the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present invention, are given by way of illustration and explanation only, not limitation.

Referring to fig. 1, the invention provides an aerial working platform, which includes a chassis 1 and a counterweight 2 mounted on the chassis 1, wherein a counterweight mounting cavity 11 is formed on an end surface of the chassis 1, and the counterweight 2 is placed in the counterweight mounting cavity 11.

Referring to fig. 2 to 4, the weight 2 is mounted on the chassis 1 of the aerial work platform by using the counterweight assembly tool, the weight 2 includes a main body 21 and a connecting member 22, a bracket 23 is formed on the main body 21 for supporting the counterweight assembly tool after being inserted, the connecting member 22 is connected to the main body 21 to be detachably connected to the counterweight assembly tool, and the counterweight assembly tool is matched with the bracket 11 and the connecting member 22 to pry up and transfer the weight 2 to the chassis 1 of the aerial work platform, so as to place the weight 2 on the chassis 1 of the aerial work platform.

According to the counterweight 2 provided by the invention, the main body 21 provided with the bracket 23 is matched with the connecting piece 22 connected to the main body 21, the counterweight 2 and the overhead working truck are placed on the ground, the counterweight assembling tool is inserted into the bracket 23, the connecting piece 22 is detachably connected with the counterweight assembling tool, then the counterweight 2 is lifted upwards, the counterweight 2 is transferred to the chassis 1 of the overhead working truck through the counterweight assembling tool, and the counterweight 2 is placed on the chassis 1. By adopting the weight part 2 with the structural design, the problems of high labor intensity, high assembly difficulty, complex assembly and low assembly efficiency caused by carrying the weight part manually in the prior art can be solved, the labor intensity of workers can be reduced, the assembly difficulty is reduced, the assembly process is simplified, and the assembly efficiency is improved.

In this embodiment, the main body 21 includes a first surface 211, a second surface 212 and a third surface 213, the first surface 211 is connected to the second surface 212 at an obtuse angle, the second surface 212 is connected to the third surface 213, preferably, the second surface 212 is connected to the third surface 213 perpendicularly, the connecting element 22 and the bracket 23 are located on the third surface 213, and the connecting element 22 can be disposed on other surfaces of the main body 21 as long as it is detachably connected to the weight assembly tool. The main body 21 is supported on the chassis 1 by the second surface 212, and the main body 21 is supported on the ground by the first surface 211, so that the connecting element 22 and the bracket 23 on the third surface 213 are inclined upwards. In this way, it is convenient to insert the weight fitting tool into the bracket 23 and pry the main body 21 from the ground by the fitting of the connecting member 22. Preferably, the bracket 23 opens at the junction of the second surface 212 and the third surface 213, which facilitates easier lifting of the body 21.

In this embodiment, the second surface 212 is provided with a limiting groove 210, and the limiting groove 210 penetrates through the first surface 211 to cooperate with a limiting block on the chassis 1 for limiting. Preferably, the limit slot 210 communicates with the bracket 23 to facilitate manufacturing.

In this embodiment, the main body 21 includes a fourth surface 214, a fifth surface 215 and two end surfaces 216, one side of the fourth surface 214 is connected to the third surface 213, the other side of the fourth surface 214 is connected to one side of the fifth surface 215, the other side of the fifth surface 215 is connected to the first surface 211, the second surface 212, the third surface 213, the fourth surface 214 and the fifth surface 215 are sequentially connected to form a pentagonal structure, and the two end surfaces 216 block two ends of the pentagonal structure to form a pentagonal prism block. Preferably, the third surface 213 is arranged parallel to the fifth surface 215, the second surface 212 is arranged parallel to the fourth surface 214, and the two end surfaces 216 are arranged parallel. That is, the body 21 is shaped as a pentagonal prism formed by cutting a rectangular parallelepiped into a triangular prism. This is advantageous in saving the assembly space of the main body 21 and facilitating the manufacturing. Specifically, the main body 21 may be formed of cast iron, concrete, or by injecting a weight material into the housing.

In this embodiment, in order to facilitate the lifting, the fourth surface 214 is provided with a connecting hole 24 for installing lifting members such as a lifting ring or a lifting hook.

In this embodiment, connecting piece 22 adopts the hangers, and the hangers includes cylinder and end cap, and cylinder one end is connected on main part 21, and the end cap is connected to the other end to the connection can be dismantled in the realization of card counter weight assembly tool. It will be appreciated that the connecting member 22 is not limited to the use of a hanger, for example, the connecting member 22 may be a hook attached to the main body 21, or the connecting member 22 may be a hanging hole for detachable connection with the weight assembly tool. Of course, the connecting member 22 is not limited to the above-described embodiment as long as the detachable connection with the counterweight attachment tool can be achieved, and is not illustrated here.

Referring to fig. 5 to 7, the present invention provides a counterweight assembly tool for installing a counterweight 2 into a chassis 1, including a bearing frame 3, a rotating shaft 4, a roller 5, a pry bar 6, a supporting block 7 and a locking member 8, wherein the roller 5 is rotatably installed at the bottom of the bearing frame 3 through the rotating shaft 4, the pry bar 6 and the supporting block 7 are installed on the bearing frame 3 and respectively located at two sides of the rotating shaft 4, so that the pry bar 6 pushes the roller 5 to rotate, so that the supporting block 7 is inserted into a bracket 23 of the counterweight 2. The locking piece 8 is connected on the bearing frame 3 to be detachably connected with the connecting piece 22 of the counterweight 2, the support piece 7 is matched with the support groove 23 to support, the pulling force is provided through the connection of the locking piece 8 and the connecting piece 22, so that the counterweight 2 on the ground is pried away from the ground, the counterweight assembling tool is pushed or pulled by the prying bar 6 to move to the chassis 1 of the high-altitude operation vehicle together with the counterweight 2, the counterweight 2 is pushed into the chassis 1, the locking piece 8 is separated from the connecting piece 22, and the counterweight assembling tool is pulled out through the prying bar 6, so that the counterweight 2 is placed on the chassis 1. The counterweight assembly tool can be used for easily prying the counterweight 2 from the ground and moving the counterweight to the chassis 1, and the counterweight assembly tool and the counterweight 2 are convenient to separate, so that the labor intensity of workers is reduced, the assembly difficulty is reduced, the assembly process is simplified, and the assembly efficiency is improved.

In this embodiment, the bearing frame 3 includes a vertical column 31 and a cross beam 32, a shaft hole is formed at a bottom end portion of the vertical column 31, the rotating shaft 4 is inserted into the shaft hole, one end of the cross beam 32 is connected to the vertical column 31, the other end is provided with the supporting block 7, and the locking piece 8 is installed on the cross beam 32. The crow bar 6 is mounted on the upright 31 on the opposite side of the cross beam 32. The bearing frame 3 is matched with the upright posts 31 and the cross beams 32, and has the advantages of simple structure, convenience in manufacturing and lower cost. In this embodiment, a fixing plate is disposed at one end of the cross beam 32, a waist-shaped hole is formed in the fixing plate, a mounting plate with a screw hole is fixed to the column 31, and the fixing plate and the mounting plate are fixedly connected through a bolt. It is understood that the cross beam 32 can also be welded directly to the upright 31, as long as the fixed connection between the cross beam 32 and the upright 31 can be achieved.

In this embodiment, the bearing frame 3 includes a support plate 33 connected to the cross beam 32, the locking member 8 includes a snap-gauge 81 and a pin 82, a groove 83 matching with the connecting member 22 (hanging lug) is formed in the snap-gauge 81, the snap-gauge 81 is rotatably connected to the support plate 33 through the pin 82, so that the groove 83 is clamped into the connecting member 22 (hanging lug) through the rotation of the snap-gauge 81, and the detachable connection between the connecting member 22 and the rotation snap-gauge 81 is realized. It will be appreciated that the catch plate 81 may also be secured to the support plate 33 by a pin 82, with a channel 83 in the catch plate 81 opening upwardly to snap into the connector 22 (the lug). When the connecting piece 22 adopts a hook connected to the main body 21, the corresponding locking piece 8 is provided with a hanging hole and is detachably connected with the hanging hole through the hook. In addition, the connecting piece 22 and the locking piece 8 can adopt hooks, and at least one hook is movably connected to connect or disconnect the two hooks.

In this embodiment, a handle 9 is connected to the end of the pry bar 6 away from the carriage 3 for applying force.

Referring to fig. 8 and 9, the present invention is necessary to provide a counterweight assembly method for installing a counterweight 2 into a chassis 1 by using a counterweight assembly tool, the counterweight 2 and an aerial work vehicle are placed on the ground, the counterweight assembly tool is moved to the counterweight 2, the counterweight assembly tool is pushed to insert a carrying block 7 into a carrying groove 23, a locking member 8 and a connecting member 22 are connected to provide a pulling force, one end of a pry bar 6 is applied with a downward force to pry the counterweight 2 from the ground, so that the counterweight 2 is carried on the counterweight assembly tool, the counterweight assembly tool is pushed or pulled by the pry bar 6 to move to the chassis 1 of the aerial work vehicle together with the counterweight 2, the counterweight 2 is pushed into the chassis 1 by the pry bar 6, the locking member 8 is separated from the counterweight connecting member 22, and the counterweight assembly tool is pulled out by the pry bar 6, so that the counterweight 2 is placed on the chassis 1. Preferably, the weight 2 is supported on the ground with the first surface 211 such that the bracket 23 and the attachment element 22 on the third surface 213 are inclined towards the weight assembly tool for insertion of the carrier block 7 and attachment of the attachment element 22 to the holder 8.

The counterweight assembly tool can be used for easily prying the counterweight 2 from the ground and moving the counterweight to the chassis 1, and the counterweight assembly tool and the counterweight 2 are convenient to separate, so that the labor intensity of workers is reduced, the assembly difficulty is reduced, the assembly process is simplified, and the assembly efficiency is improved.

In the description of the present invention, it should be noted that the terms "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and operate, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", and the like are used for descriptive purposes only and are not to be construed as indicating or implying importance; the words "bottom" and "top", "inner" and "outer" refer to directions toward and away from, respectively, a particular component geometry.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; the communication may be direct, indirect via an intermediate medium, or internal to both elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art. In addition, in the description of the present invention, "a plurality" means two or more unless otherwise specified.

The present invention is not limited to the above embodiments, and any modifications, equivalent substitutions, improvements, etc. within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A counterweight assembling tool is used for assembling a counterweight and is characterized by comprising a main body (21) and a connecting piece (22), wherein a bracket (23) is arranged on the main body (21) for supporting the counterweight assembling tool after being inserted, the connecting piece (22) is connected to the main body (21) and detachably connected with the counterweight assembling tool, and the counterweight (2) is pried by matching the counterweight assembling tool with the bracket (23) and the connecting piece (22);

the counterweight assembling tool comprises a bearing frame (3), a rotating shaft (4), a roller (5), a crow bar (6), a supporting and carrying block (7) and a locking piece (8), wherein the roller (5) is rotatably arranged at the bottom of the bearing frame (3) through the rotating shaft (4), the crow bar (6) and the supporting and carrying block (7) are arranged on the bearing frame (3) and are respectively positioned at two sides of the rotating shaft (4) so that the supporting and carrying block (7) can be inserted into a supporting groove (23) of the counterweight (2) through pushing of the crow bar (6), and the locking piece (8) is connected to the bearing frame (3) and is detachably connected with a connecting piece (22) of the counterweight (2);

the bearing frame (3) comprises a stand column (31) and a cross beam (32), a shaft hole is formed in the bottom end portion of the stand column (31), a rotating shaft (4) penetrates through the shaft hole, one end of the cross beam (32) is connected to the stand column (31), a bearing block (7) is installed at the other end of the cross beam, a locking piece (8) is installed on the cross beam (32), and a crowbar (6) is installed on the stand column (31) and located on the opposite side of the cross beam (32);

the locking piece (8) comprises a clamping plate (81) and a pin shaft (82), a groove (83) is formed in the clamping plate (81), the clamping plate (81) is rotatably connected to the bearing frame (3) through the pin shaft (82), and the groove (83) is clamped into the connecting piece (22) through rotating the clamping plate (81);

alternatively, the first and second electrodes may be,

the clamping plate (81) is fixed on the bearing frame (3) through a pin shaft (82), and an opening of a groove (83) in the clamping plate (81) faces upwards so as to be clamped into the connecting piece (22).

2. The counterweight mounting tool according to claim 1, wherein the main body (21) comprises a first surface (211), a second surface (212) and a third surface (213), the first surface (211) and the second surface (212) are connected at an obtuse angle, the second surface (212) and the third surface (213) are connected, the connecting element (22) and the bracket (23) are located on the third surface (213), and the main body (21) can be supported on the ground through the first surface (211) so that the connecting element (22) and the bracket (23) on the third surface (213) are inclined upwards.

3. The counterweight mounting tool according to claim 2, wherein the bracket (23) opens at the junction of the second surface (212) and the third surface (213).

4. The counterweight mounting tool of claim 2, wherein the second surface (212) defines a limiting groove (210), and the limiting groove (210) extends through the first surface (211) and is in communication with the bracket (23).

5. The counterweight mounting tool according to claim 2, wherein the main body (21) includes a fourth surface (214), a fifth surface (215), and two end surfaces (216), one side of the fourth surface (214) is connected to the third surface (213), the other side of the fourth surface (214) is connected to one side of the fifth surface (215), the other side of the fifth surface (215) is connected to the first surface (211), the second surface (212), the third surface (213), the fourth surface (214), and the fifth surface (215) are sequentially connected to form a pentagonal structure, and the two end surfaces (216) respectively block two ends of the pentagonal structure to form a pentagonal prism block.

6. A counterweight mounting method, characterized in that the counterweight mounting tool as claimed in any of claims 1-5 is used to mount the counterweight (2) on the chassis (1) of an aerial work vehicle, the counterweight (2) and the aerial work vehicle are placed on the ground, the counterweight mounting tool is pushed so that the carrier block (7) is inserted into the bracket (23), and the locking member (8) is connected with the connecting member (22) to provide a pulling force, a force is applied downwards at one end of the prying bar (6), the counterweight (2) is pried from the ground so that the counterweight (2) is carried on the counterweight mounting tool, the counterweight mounting tool is moved together with the counterweight (2) to the chassis (1) of the aerial work vehicle by the prying bar (6), the counterweight (2) is pushed onto the chassis (1) by the prying bar (6), the locking member (8) is separated from the connecting member (22), and the counterweight mounting tool is pulled outwards by the prying bar (6) so that the counterweight (2) is placed on the chassis (1).

7. An aerial lift truck comprising a chassis (1) and a counterweight, wherein the counterweight is a counterweight corresponding to the counterweight mounting tool of any one of claims 1 to 5, and wherein the counterweight is mounted on the chassis (1) using the counterweight mounting tool of any one of claims 1 to 5.