Crane balancing weight convenient to assemble

Abstract

The utility model discloses a crane balancing weight convenient to assemble, which relates to the technical field of balancing weights, and comprises a block body, a first sliding cavity is arranged in a cavity of the block body, a stepped guide positioning block is slidably connected in the first sliding cavity, a guide positioning groove is arranged at the bottom of the block body, and the guide positioning groove is arranged in the block body. A plurality of buffer dampers are fixedly connected into a cavity of the block body, and the other ends of the buffer dampers are fixedly connected with the bottom of the stepped guide positioning block. According to the block body provided by the utility model, on the basis of adding a positioning, guiding and locking structure, the block body can be conveniently connected with a hoisting device without influencing the assembly, so that the problems that the existing crane balancing weight is not provided with an effective positioning, guiding and locking structure and is inconvenient to quickly assemble are solved; and connection with a hoisting device in a crane is not facilitated while self stacking assembly is not affected.

Description

TECHNICAL FIELD

[0001] The utility model relates to counterweight technology field, concretely relates to a crane counterweight convenient to assemble. BACKGROUND

[0002] The counterweight is mainly used for keeping balance to ensure stability during lifting, and the weight is added according to the strength of the vehicle, and the counterweight is generally installed on the opposite side of the lifting mechanism to ensure the stability of the crane.

[0003] The existing counterweight lacks effective positioning guide and locking structure when stacking and assembling, which makes it difficult for the operator to quickly and accurately align and stack the counterweights during installation, and a lot of time is spent on position adjustment, which seriously affects the assembly efficiency. After stacking and assembling, due to the lack of locking and limiting, the counterweights are prone to relative movement or even separation under the action of external forces such as vibration and impact, and it is not convenient to connect the hoisting device in the crane without affecting the stacking and assembling of the counterweight. On the one hand, the connection structure may be too complex, increasing the assembly difficulty, making the connection process of the hoisting device and the counterweight time-consuming and laborious, on the other hand, the connection structure may conflict with the stacking and assembling structure of the counterweight, resulting in the need to adjust the assembled counterweight structure during connection operation, further reducing the work efficiency. UTILITY MODEL CONTENTS

[0004] In view of the above problems of the existing counterweight convenient to assemble, the utility model is proposed.

[0005] Therefore, the utility model aims to provide a crane counterweight convenient to assemble, which solves the problem of the lack of effective positioning guide and locking structure in the existing crane counterweight, which is not convenient for quick assembly, and is not convenient for connecting the hoisting device in the crane without affecting the stacking and assembling of the counterweight.

[0006] In order to achieve the above purpose, the utility model provides the following technical scheme:

[0007] A crane counterweight convenient to assemble, comprising a block body, a first sliding cavity is formed in the cavity of the block body, a stepped guide positioning block is slidably connected in the first sliding cavity, a guide positioning groove is formed in the bottom of the block body, a plurality of buffer dampers are fixedly connected in the cavity of the block body, and the other end of the buffer damper is fixedly connected with the bottom of the stepped guide positioning block.

[0008] The bottom of the block body is provided with limiting slots, threaded limiting openings are formed in the limiting slots at both ends, limiting plug blocks are fixedly connected to the top of the block body, threaded limiting pins are slidably connected in the cavities of the limiting plug blocks at both ends, a positioning mechanism is arranged between the stepped guiding positioning block and the block body, a second sliding cavity is formed in the top of the stepped guiding positioning block, and a U-shaped hook hanging plate is fixedly connected in the cavity of the second sliding cavity through a sliding support mechanism.

[0009] Preferably, the sliding support mechanism comprises support sliding rods, sliding sleeves and sliding openings, the cavities of the second sliding cavities are fixedly connected with support sliding rods at both ends, and the sliding sleeves are slidably connected, sliding openings are formed in the inner side walls of the second sliding cavities at both ends, and one end of the sliding sleeve at both ends penetrates through the sliding opening and is fixedly connected with the two end side walls of the U-shaped hook hanging plate.

[0010] Preferably, the positioning mechanism comprises a positioning opening, a positioning protrusion and a first rubber protection pad, the bottom of the stepped guiding positioning block is provided with the positioning opening, the inner side wall of the first sliding cavity is fixedly connected with the positioning protrusion at the top, the surface of the positioning protrusion is fixedly connected with the first rubber protection pad, and the first rubber protection pad is inserted into the positioning opening.

[0011] Preferably, the surface of the block body is fixedly connected with a second rubber protection pad, and the bottom of the block body is fixedly connected with an antiskid damping pad.

[0012] Further, the side walls of the block body are fixedly connected with hanging ears, and the two end side walls of the block body are provided with carrying insertion slots.

[0013] Preferably, the surfaces of the block body and the stepped guiding positioning block are provided with zinc-plated anti-rust coatings.

[0014] In the above technical scheme, the technical effects and advantages of the utility model are as follows:

[0015] 1. The utility model discloses a first sliding cavity arranged in the cavity of the block body is matched with the stepped guiding positioning block, the guiding positioning groove is formed in the bottom, when the counterweight blocks are stacked and assembled, the stepped guiding positioning block of the lower counterweight block can be quickly aligned with the guiding positioning groove of the upper counterweight block, accurate positioning is realized, the assembling speed is improved, the positioning mechanism is composed of a positioning opening, a positioning protrusion and a first rubber protection pad, the positioning opening at the bottom of the stepped guiding positioning block is inserted with the positioning protrusion, the positioning is stable during the buffering movement, the first rubber protection pad can not only buffer and protect, but also can prolong the service life of the stepped guiding positioning block, and the accurate and durable positioning is ensured.

[0016] 2、The utility model discloses, utilize the setting at the both ends of the block bottom limit slot, threaded limit mouth, with the both ends of the top limit insert block, threaded limit pin constitute reliable locking structure, counterweight stack after, insert limit insert block and spin into threaded limit pin, can realize close connection, effectively avoid crane operation because of vibration etc. Factor leading to counterweight separation, greatly improve the security of crane operation, the plurality of buffer dampers fixed in the block cavity, connect the bottom of the stepped guide positioning block, when assembling stack, can buffer protection to the downward movement of the stepped guide positioning block, prevent the impact of stacking speed too fast, strengthen the structural stability, prolong the overall service life of counterweight.

[0017] 3、The utility model discloses, utilize the setting in the second sliding cavity through the sliding support mechanism support slide rod, slide sleeve and slide mouth constitute fixed connection's U type hook hanging board, provide convenient way for counterweight and crane lifting device connection, after assembling counterweight, crane hook can be directly hooked in U type hook hanging board, need not complicated connection operation, and U type design effectively prevents the unhooking of hook, after using, still can slide and push in, do not affect assembly work, the lug and the carrying slot of the both ends of the block side wall, facilitate slightly adjust when lifting, also facilitate forklift handling, improve the use convenience of counterweight under different operation scenes, and the second rubber protection pad on the block surface, the antiskid damping pad at the bottom and the galvanized rustproof coating on the surface of the block and the stepped guide positioning block, reduce sliding, protect surface and rustproof respectively. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments described in the utility model, and other drawings can also be obtained by those skilled in the art according to these drawings.

[0019] Figure 1 It is a three-dimensional structure schematic diagram of the utility model;

[0020] Figure 2 It is a front sectional view of the utility model;

[0021] Figure 3 It is a stepped guide positioning block of the utility model.

[0022] Mark explanation:

[0023] 1, block; 2, first sliding cavity; 3, stepped guide positioning block; 4, guide positioning groove; 5, buffer damper; 6, limiting slot; 7, threaded limiting port; 8, limiting plug; 9, threaded limiting pin; 10, second sliding cavity; 11, U-shaped hook hanging plate; 12, supporting slide rod; 13, sliding sleeve; 14, sliding port; 15, positioning port; 16, positioning block; 17, first rubber protection pad; 18, second rubber protection pad; 19, anti-skid damping pad; 20, hanging ear; 21, carrying slot. DETAILED DESCRIPTION

[0024] In order for those skilled in the art to better understand the technical scheme of the utility model, the utility model will be further described in detail below in combination with the drawings.

[0025] The utility model discloses a crane counterweight block convenient to assemble.

[0026] The utility model provides a crane counterweight block convenient to assemble as shown in Figures 1-3 The utility model discloses a crane counterweight block convenient to assemble, including the block 1, the cavity of block 1 is seted up with the first sliding cavity 2, the first sliding cavity 2 is connected with the stepped guide positioning block 3 in the middle sliding, the bottom of block 1 is seted up with the guide positioning groove 4, the cavity of block 1 is fixedly connected with a plurality of buffer dampers 5, and the other end of buffer damper 5 is fixedly connected with the bottom of stepped guide positioning block 3.

[0027] The bottom of the block body 1 is provided with a limiting slot 6, and a threaded limiting opening 7 is formed in the limiting slot 6 at both ends. The top of the block body 1 is fixedly connected with a limiting block 8, and a threaded limiting pin 9 is slidably connected in the cavity of the limiting block 8 at both ends. A positioning mechanism is arranged between the stepped guide positioning block 3 and the block body 1. A second sliding cavity 10 is formed in the top of the stepped guide positioning block 3, and a U-shaped hook hanging plate 11 is fixedly connected in the cavity of the second sliding cavity 10 through a sliding support mechanism. The stepped guide positioning block 3 slidably connected in the first sliding cavity 2 formed in the cavity of the block body 1 and the guide positioning groove 4 formed in the bottom of the block body 1 play a key positioning role in the assembly process of the counterweight block. When the counterweight blocks are stacked and assembled, the stepped guide positioning block 3 of the lower counterweight block can be quickly aligned with the guide positioning groove 4 of the upper counterweight block, achieving accurate positioning and greatly reducing the alignment time during assembly. The limiting slot 6 formed at both ends of the bottom of the block body 1 and the threaded limiting opening 7 therein, the limiting block 8 fixedly connected at both ends of the top, and the threaded limiting pin 9 slidably connected in the cavity together form a reliable locking structure. After the counterweight blocks are stacked, the limiting block 8 of the upper counterweight block is inserted into the limiting slot 6 of the lower counterweight block, and then the threaded limiting pin 9 is screwed into the threaded limiting opening 7, which can achieve tight connection and firm locking between the counterweight blocks, effectively avoiding the separation of the counterweight blocks due to vibration and other factors during the operation of the crane. The U-shaped hook hanging plate 11 fixedly connected in the second sliding cavity 10 through the sliding support mechanism provides a convenient way for the connection of the counterweight block and the lifting device of the crane. After the counterweight blocks are assembled, the hook of the lifting device of the crane can be directly hooked on the U-shaped hook hanging plate 11, without the need for additional complex connection operations. The U-shaped design can effectively prevent the hook from unhooking, and the sliding push after use can not affect the assembly work. The depth of the stepped guide positioning block 3 is higher than that of the guide positioning groove 4, and the buffer damper 5 is arranged. When the counterweight blocks are assembled and stacked, the stepped guide positioning block 3 can be buffered during downward movement through the buffer damper 5, avoiding impact due to excessive stacking speed during assembly process with another counterweight block. The positioning mechanism is arranged to maintain positioning during the buffering movement and to prolong the service life of the stepped guide positioning block 3, thereby solving the problems of the existing counterweight blocks of the crane, such as lack of effective positioning and guiding and locking structure, inconvenience for quick assembly, and inconvenience for connection with the lifting device of the crane without affecting the stacking and assembly of the counterweight blocks.

[0028] In order to facilitate the sliding support of the U-shaped hook hanging plate 11, Figure 2As shown in the drawings, the sliding support mechanism comprises support slide rods 12, slide sleeves 13 and slide openings 14, the support slide rods 12 are fixedly connected to the inner walls of the two ends of the second sliding cavity 10, and the slide sleeves 13 are slidingly connected to the support slide rods 12, the slide openings 14 are arranged on the inner walls of the two ends of the second sliding cavity 8, one end of the slide sleeve 13 passes through the slide opening 14, and the other end of the slide sleeve 13 is fixedly connected to the two end side walls of the U-shaped hook hanging plate 11. The sliding support mechanism composed of the support slide rods 12, the slide sleeves 13 and the slide openings 14 is arranged, the slide sleeve 13 is positioned in the direction during the sliding process by the support slide rod 12, and the U-shaped hook hanging plate 11 is conveniently slidingly supported.

[0029] In order to keep positioning during the buffering movement and prolong the service life of the stepped guiding positioning block 3, as shown in the drawings, Figure 2 As shown in the drawings, the positioning mechanism comprises positioning openings 15, positioning protrusions 16 and first rubber protection pads 17, the positioning openings 15 are arranged on the bottom of the stepped guiding positioning block 3, the positioning protrusions 16 are fixedly connected to the top of the inner wall of the first sliding cavity 2, the first rubber protection pads 17 are fixedly connected to the surface of the positioning protrusions 16 and are inserted into the positioning openings 15. The positioning mechanism composed of the positioning openings 15, the positioning protrusions 16 and the first rubber protection pads 17 is arranged, the positioning openings 15 arranged on the bottom of the stepped guiding positioning block 3 are inserted into the positioning protrusions 16, so that the positioning is kept during the buffering movement, the first rubber protection pads 17 are arranged in the middle for protection, and the service life of the stepped guiding positioning block 3 is prolonged.

[0030] In order to increase the protection effect of the block body 1, as shown in the drawings, Figure 1 and 2 As shown in the drawings, the second rubber protection pads 18 are fixedly connected to the surface of the block body 1, and the anti-skid damping pads 19 are fixedly connected to the bottom of the block body 1. The second rubber protection pads 18 are arranged, so that the surface of the block body 1 is protected and sliding is reduced during the stacking and assembly. The anti-skid damping pads 19 are arranged, so that the bottom of the block body 1 is protected and sliding is reduced.

[0031] In order to facilitate the use of the block body 1, as shown in the drawings, Figure 1 and 2 As shown in the drawings, the lug ears 20 are fixedly connected to the two ends of the side wall of the block body 1, and the carrying insertion grooves 21 are arranged on the two end side walls of the block body 1. The lug ears 20 and the carrying insertion grooves 21 are arranged, so that slight adjustment is facilitated during the lifting process, and the block body 1 is conveniently carried by the forklift.

[0032] In order to increase the anti-rust function of the block body 1 and the stepped guiding positioning block 3, as shown in the drawings, Figures 1-3 As shown in the drawings, the galvanized anti-rust coating is arranged on the surface of the block body 1 and the stepped guiding positioning block 3. The galvanized anti-rust coating is arranged, so that the anti-rust function of the block body 1 and the stepped guiding positioning block 3 is increased, and the service life is prolonged.

[0033] The above has only described certain exemplary embodiments of the present application by way of illustration, and it is needless to say that the described embodiments can be modified in various ways without departing from the spirit and scope of the present application for those skilled in the art. Therefore, the above drawings and descriptions are illustrative in nature, and should not be understood as limiting the scope of protection of the claims of the present application.

Claims

1. A crane counterweight of facilitated assembly, comprising a block (1), characterised in that, The cavity of the block (1) is provided with a first sliding cavity (2), the first sliding cavity (2) is slidably connected with a stepped guide positioning block (3), the bottom of the block (1) is provided with a guide positioning groove (4), a plurality of buffer dampers (5) are fixedly connected in the cavity of the block (1), and the other end of the buffer damper (5) is fixedly connected with the bottom of the stepped guide positioning block (3). The bottom of the block (1) is provided with a limiting slot (6) at both ends, the limiting slot (6) is provided with a threaded limiting opening (7) at both ends, the top of the block (1) is fixedly connected with a limiting plug (8) at both ends, the cavity of the limiting plug (8) is slidably connected with a threaded limiting pin (9) at both ends, a positioning mechanism is arranged between the stepped guide positioning block (3) and the block (1), the top of the stepped guide positioning block (3) is provided with a second sliding cavity (10), and the cavity of the second sliding cavity (10) is fixedly connected with a U-shaped hook hanging plate (11) through a sliding support mechanism.

2. A crane counterweight according to claim 1, characterised in that The sliding support mechanism comprises a supporting sliding rod (12), a sliding sleeve (13) and a sliding opening (14), both ends of the cavity of the second sliding cavity (10) are fixedly connected with the supporting sliding rod (12), and the sliding sleeve (13) is slidably connected, and the inner side walls of both ends of the second sliding cavity (10) are provided with the sliding opening (14), one end of the sliding sleeve (13) at both ends penetrates the sliding opening (14) and is fixedly connected with the both end side walls of the U-shaped hook hanging plate (11).

3. A crane counterweight of claim 1, characterized in that, The positioning mechanism comprises a positioning opening (15), a positioning protrusion (16) and a first rubber protection pad (17), the bottom of the stepped guide positioning block (3) is provided with the positioning opening (15), the inner side wall of the first sliding cavity (2) is fixedly connected with the positioning protrusion (16) at the top, the surface of the positioning protrusion (16) is fixedly connected with the first rubber protection pad (17), and the first rubber protection pad (17) is inserted into the positioning opening (15).

4. A crane counterweight of claim 1, characterized in that, The surface of the block (1) is fixedly connected with a second rubber protection pad (18), and the bottom of the block (1) is fixedly connected with an antiskid damping pad (19).

5. A crane counterweight of claim 1, characterized in that, The side walls of the block (1) are fixedly connected with hanging ears (20) at both ends, and the side walls of the block (1) are provided with carrying insertion slots (21) at both ends.

6. A crane counterweight of claim 1, characterized in that, The surfaces of the block (1) and the stepped guide positioning block (3) are provided with a zinc plating anti-rust coating.

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