Speed chain convenient to replace

Abstract

The utility model relates to the technical field of chains, and discloses a speed chain convenient to replace, which comprises a support, a supporting frame is fixedly connected to the inner side of the upper end of the support, a supporting foot is fixedly connected to the lower end of the support, a transverse frame is fixedly connected to the upper end of the support, and a chain assembly is arranged at the upper end of the transverse frame. According to the speed chain convenient to replace, when the upper rolling wheel and the lower rolling wheel are installed, the upper rolling wheel and the lower rolling wheel are connected in an inserted mode through the sleeve and the guide column, the inclined face of the sliding block makes contact with the upper rolling wheel, the sliding block is extruded to move towards the right side along the groove, the spring is compressed till the sliding block is aligned to the inserting groove, and the spring resets to eject the sliding block to be inserted into the inserting groove to lock the upper rolling wheel and the lower rolling wheel. During disassembly and replacement, the handle is pulled, the sliding block is separated from the inserting groove, the upper roller and the lower roller can be replaced, maintenance and replacement of the chain assembly after long-term use are facilitated, the sleeve and the guide column provide left-right limiting for the upper roller and the lower roller, the inserting groove and the sliding block provide up-down limiting, and the structure is simple.

Description

Technical Field

[0001] The utility model relates to the technical field of chains, and specifically relates to a double-speed chain that is convenient to replace. Background Technique

[0002] The double-speed chain is composed of accessories such as a central shaft, rollers, and chain plates, and runs on a track. It is a commonly used conveying method in automated logistics; after the rollers of the double-speed chain are used, scratches and notches are likely to appear on the surface due to wear or collision. Usually, the entire chain needs to be replaced, which affects work efficiency.

[0003] Chinese Utility Model Patent Publication No.: CN 211140528 U, discloses: a double-speed chain link and chain. In this double-speed chain link and chain, since a pulley is provided on the roller pin shaft and the pulley is fixedly connected to the roller, the synchronous belt and the roller can be avoided from directly contacting during use, and the problem of damage to the roller surface does not need to be considered, which can fully ensure the uniformity of the roller rotation. However, after the roller of this double-speed chain is damaged, it is not convenient to disassemble and maintain, and the whole needs to be replaced, which affects work efficiency. Summary of the Invention

[0004] The technical problem to be solved by the utility model is to provide a double-speed chain that is convenient to replace, which can effectively solve the problems in the prior art.

[0005] The technical solution adopted by the utility model is: a double-speed chain that is convenient to replace, including a bracket. An inner side of the upper end of the bracket is fixedly connected with a support frame, a lower end of the bracket is fixedly connected with a support leg, an upper end of the bracket is fixedly connected with a cross frame, a chain assembly is arranged on the upper end of the cross frame, and a driving motor is arranged at the rear end of the cross frame;

[0006] The chain assembly includes chain plates, a central shaft, a shaft sleeve, upper rollers, upper grooves, slots, sleeves, lower rollers, guide posts, side plates, grooves, sliders, handles, and springs. A central shaft is arranged at the center of the chain plate, a shaft sleeve is sleeved outside the central shaft, upper rollers are arranged at the upper end of the central shaft, upper grooves are opened at the lower ends of the upper rollers, slots are opened on the right sides of the upper rollers, sleeves are fixedly connected to the lower ends of the upper rollers, lower rollers are arranged at the lower ends of the upper rollers, lower grooves are opened at the upper ends of the lower rollers, guide posts are fixedly connected to the upper ends of the lower rollers, side plates are fixedly connected to the right sides of the lower rollers, grooves are opened on the right sides of the side plates, sliders are arranged inside the grooves, handles are fixedly connected to the right sides of the sliders, and springs are fixedly connected inside the grooves.

[0007] Preferably, the support frame includes an inclined support and a fixing block. The fixing block is fixedly connected to the outside of the inclined support, and the vertical cross-section of the inclined support is an "L"-shaped angle steel;

[0008] The support leg includes a base, an insertion block and an adjustable support foot. The insertion block is fixedly connected to the upper end of the base, and the adjustable support foot is fixedly connected to the lower end of the base.

[0009] Through the above technical solution, a support frame is provided, which cooperates with the support leg to improve the stability of the support and ensure the stable operation of the double-speed chain. A support leg assembly is provided and fixedly installed at the lower end of the support. The height is adjusted through the adjustable support foot to ensure that the chain assembly remains horizontal.

[0010] Preferably, the support is composed of aluminum profiles spliced together. The insertion block is inserted and connected to the support, and the fixed block is slidably connected to the support.

[0011] Through the above technical solution, the support frame is slidably connected to the support through the fixed block and then locked with bolts. The support leg is inserted and connected to the support through the insertion block and then locked with bolts, and the installation is simple.

[0012] Preferably, the upper roller is adapted to the lower roller, and both the upper groove and the lower groove are adapted to the bushing.

[0013] Through the above technical solution, an upper roller and a lower roller are provided, and they are spliced from the upper and lower ends of the central shaft to complete the installation, which is convenient for assembly.

[0014] Preferably, the slot is adapted to the slider. Both ends of the spring are fixedly connected to the slider and the groove respectively, and an inclined surface is provided at the upper end of the slider.

[0015] Through the above technical solution, a slot and a slider are provided. When the upper roller and the lower roller are installed, the upper roller and the lower roller approach each other. During this process, the inclined surface of the slider contacts the upper roller, and the slider is squeezed and moves to the right along the groove. The spring is compressed until the slider aligns with the slot, and the spring resets to push the slider into the slot to lock the upper roller and the lower roller. When disassembling and replacing, pull the handle to separate the slider from the slot, and then the upper roller and the lower roller can be replaced, which is convenient for maintenance and replacement after long-term use of the chain assembly.

[0016] Preferably, the guide post is inserted and connected to the sleeve, and both the upper roller and the lower roller are made of nitrile rubber.

[0017] Through the above technical solution, a guide post and a sleeve are provided. The upper roller and the lower roller are inserted and connected through the sleeve and the guide post to provide left-right direction limit for the upper roller and the lower roller. The slot and the slider provide up-down direction limit for the upper roller and the lower roller, and the structure is simple.

[0018] Compared with the prior art, the present utility model provides a double-speed chain that is convenient for replacement and has the following beneficial effects:

[0019] 1. The speed chain that is easy to replace is provided with slots and sliders. When the upper roller and the lower roller are installed, the upper roller and the lower roller approach each other. During this process, the upper roller and the lower roller are connected by inserting a sleeve and a guide post. The inclined surface of the slider contacts the upper roller, and the slider is extruded and moves to the right along the groove, compressing the spring until the slider aligns with the slot. Then the spring resets and pushes the slider into the slot to lock the upper roller and the lower roller. When disassembling and replacing, pull the handle to separate the slider from the slot, and then the upper roller and the lower roller can be replaced. After long-term use of the chain assembly, maintenance and replacement are more convenient. The upper roller and the lower roller can be replaced separately without replacing the whole chain, saving costs. The sleeve and the guide post are inserted and connected to provide left-right direction limit for the upper roller and the lower roller, and the slot and the slider provide up-down direction limit for the upper roller and the lower roller. The structure is simple and the fixation is firm.

[0020] 2. For the speed chain that is easy to replace, the support frame is slidably connected to the bracket through a fixed block and then locked with bolts. The support leg is inserted and connected to the bracket through an insertion block and then locked with bolts. The installation is simple. A support leg assembly is provided and fixedly installed at the lower end of the bracket. The height is adjusted through an adjustable support foot to ensure that the chain assembly remains horizontal. A support frame is provided and cooperates with the support leg to improve the stability of the bracket and ensure the stable operation of the speed chain. Brief Description of the Drawings

[0021] Figure 1 It is a three-dimensional structural schematic diagram of the present utility model;

[0022] Figure 2 It is an enlarged structural schematic diagram of the bracket of the present utility model;

[0023] Figure 3 It is a split structural schematic diagram of the bracket, the support frame and the support leg of the present utility model;

[0024] Figure 4 It is an enlarged structural schematic diagram of the chain assembly of the present utility model;

[0025] Figure 5 It is a split structural schematic of the chain assembly of the present utility model Figure 1 ;

[0026] Figure 6 It is a split structural schematic of the chain assembly of the present utility model Figure 2 ;

[0027] Figure 7 It is a split structural schematic of the chain assembly of the present utility model Figure 3 。

[0028] Wherein: 1. Bracket; 2. Support frame; 201. Diagonal brace; 202. Fixed block; 3. Support leg; 301. Base; 302. Insert block; 303. Adjustable support leg; 4. Cross frame; 5. Motor; 6. Chain assembly; 601. Chain plate; 602. Central shaft; 603. Bush; 604. Upper roller; 605. Upper groove; 606. Slot; 607. Sleeve; 608. Lower roller; 609. Lower groove; 610. Guide post; 611. Side plate; 612. Groove; 613. Slide block; 614. Handle; 615. Spring. Detailed implementation manner

[0029] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0030] Embodiment 1: As Figure 1-7 shown, a speed chain that is easy to replace provided by the present invention includes a bracket 1. An inner side of an upper end of the bracket 1 is fixedly connected with a support frame 2. A lower end of the bracket 1 is fixedly connected with a support leg 3. An upper end of the bracket 1 is fixedly connected with a cross frame 4. A chain assembly 6 is arranged at an upper end of the cross frame 4. A driving motor 5 is arranged at a rear end of the cross frame 4.

[0031] The chain assembly 6 includes a chain plate 601, a central shaft 602, a bush 603, an upper roller 604, an upper groove 605, a slot 606, a sleeve 607, a lower roller 608, a guide post 610, a side plate 611, a groove 612, a slide block 613, a handle 614 and a spring 615. A central shaft 602 is arranged at a center of the chain plate 601. The bush 603 is sleeved outside the central shaft 602. The upper roller 604 is arranged at an upper end of the central shaft 602. The upper groove 605 is opened at a lower end of the upper roller 604. The slot 606 is opened at a right side of the upper roller 604. The sleeve 607 is fixedly connected with a lower end of the upper roller 604. The lower roller 608 is arranged at a lower end of the upper roller 604. The lower groove 609 is opened at an upper end of the lower roller 608. The guide post 610 is fixedly connected with an upper end of the lower roller 608. The side plate 611 is fixedly connected with a right side of the lower roller 608. The groove 612 is opened at a right side of the side plate 611. The slide block 613 is arranged inside the groove 612. The handle 614 is fixedly connected with a right side of the slide block 613. The spring 615 is fixedly connected inside the groove 612.

[0032] Specifically, the support frame 2 includes a diagonal brace 201 and a fixed block 202. The fixed block 202 is fixedly connected to an outer side of the diagonal brace 201. The vertical cross-section of the diagonal brace 201 is an "L"-shaped angle steel. The advantage is that the support frame 2 is provided, which cooperates with the support leg 3 to improve the stability of the bracket 1 and ensure the stable operation of the speed chain.

[0033] Specifically, the supporting leg 3 includes a base 301, an insertion block 302, and an adjustable support leg 303. The upper end of the base 301 is fixedly connected to the insertion block 302, and the lower end of the base 301 is fixedly connected to the adjustable support leg 303. The advantage is that the supporting leg assembly 3 is provided and fixedly installed at the lower end of the bracket 1. The height is adjusted by the adjustable support leg 303 to ensure that the chain assembly 6 remains in a horizontal state.

[0034] Specifically, the bracket 1 is composed of spliced aluminum profiles. The insertion block 302 is inserted and connected to the bracket 1, and the fixed block 202 is slidably connected to the bracket 1. The advantage is that the support frame 2 is slidably connected to the bracket 1 through the fixed block 202 and then locked with bolts. The supporting leg 3 is inserted and connected to the bracket 1 through the insertion block 302 and then locked with bolts, which is simple to install.

[0035] Embodiment 2: As Figure 2-7 shown, as an improvement to the previous embodiment.

[0036] Specifically, the upper roller 604 is adapted to the lower roller 608, and both the upper groove 605 and the lower groove 609 are adapted to the bushing 603. The advantage is that the upper roller 604 and the lower roller 608 are provided and spliced from the upper and lower ends of the central shaft 602 to complete the installation, which is convenient for assembly.

[0037] Specifically, the slot 606 is adapted to the slider 613. Both ends of the spring 615 are fixedly connected to the slider 613 and the groove 612 respectively. The upper end of the slider 613 is provided with an inclined surface. The advantage is that the slot 606 and the slider 613 are provided. When the upper roller 604 and the lower roller 608 are installed, the upper roller 604 and the lower roller 608 approach each other. During this process, the inclined surface of the slider 613 contacts the upper roller 604. The slider 613 is squeezed and moves to the right along the groove 612, and the spring 615 is compressed until the slider 613 is aligned with the slot 606. The spring 615 returns and pushes the slider 613 into the slot 606 to lock the upper roller 604 and the lower roller 608. When disassembling and replacing, pull the handle 614 to separate the slider 613 from the slot 606, and then the upper roller 604 and the lower roller 608 can be replaced, which is convenient for maintenance and replacement after the long-term use of the chain assembly 6.

[0038] Specifically, the guide post 610 is inserted and connected to the sleeve 607, and both the upper roller 604 and the lower roller 608 are made of nitrile rubber. The advantage is that the guide post 610 and the sleeve 607 are provided. The upper roller 604 and the lower roller 608 are inserted and connected through the sleeve 607 and the guide post 610 to provide left and right direction limits for the upper roller 604 and the lower roller 608. The slot 606 and the slider 613 provide up and down direction limits for the upper roller 604 and the lower roller 608, and the structure is simple.

[0039] Working principle: When the upper roller 604 and the lower roller 608 are installed, the upper roller 604 and the lower roller 608 are brought close to clamp the central shaft 602. During this process, the upper roller 604 and the lower roller 608 are connected by inserting the sleeve 607 and the guide post 610. The inclined surface of the slider 613 contacts the upper roller 604, and the slider 613 is extruded to move to the right along the groove 612, and the spring 615 is compressed until the slider 613 is aligned with the slot 606. Then the spring 615 resets to push the slider 613 into the slot 606 to lock the upper roller 604 and the lower roller 608. When disassembling and replacing, pull the handle 614 to separate the slider 613 from the slot 606, and then the upper roller 604 and the lower roller 608 can be replaced, which is convenient for the maintenance and replacement of the chain assembly 6. The sleeve 607 and the guide post 610 are connected by inserting, providing left-right direction limit for the upper roller 604 and the lower roller 608. The slot 606 and the slider 613 provide up-down direction limit for the upper roller 604 and the lower roller 608. The structure is simple and the fixation is firm. The support frame 2 is slidably connected to the bracket 1 through the fixing block 202 and then locked by bolts. The support foot 3 is inserted into the bracket 1 through the insert block 302 and then locked by bolts. The installation is simple. The support foot assembly 3 is fixedly installed at the lower end of the bracket 1, and the height is adjusted by the adjustable support foot 303 to ensure that the chain assembly 6 is in a horizontal state. The support frame 2 and the support foot 3 cooperate to improve the stability of the bracket 1 and ensure the stable operation of the double-speed chain.

[0040] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A speed chain that is easy to replace, comprising a bracket (1), characterized in that: A support frame (2) is fixedly connected to the inner side of the upper end of the bracket (1), a support foot (3) is fixedly connected to the lower end of the bracket (1), a cross frame (4) is fixedly connected to the upper end of the bracket (1), a chain assembly (6) is provided at the upper end of the cross frame (4), and a drive motor (5) is provided at the rear end of the cross frame (4); The chain assembly (6) comprises a chain plate (601), a central shaft (602), a shaft sleeve (603), an upper roller (604), an upper groove (605), a slot (606), a sleeve (607), a lower roller (608), a guide post (610), a side plate (611), a groove (612), a slider (613), a handle (614) and a spring (615). The chain plate (601) is provided with a central shaft (602) at its center, the central shaft (602) is sleeved with the shaft sleeve (603) at its outer side, an upper roller (604) is provided at the upper end of the central shaft (602), an upper groove (605) is provided at the lower end of the upper roller (604), and the upper roller (604) is provided with a lower groove (605). ) is provided with a slot (606) on the right side, a sleeve (607) is fixedly connected to the lower end of the upper roller (604), a lower roller (608) is provided at the lower end of the upper roller (604), a lower groove (609) is provided at the upper end of the lower roller (608), a guide column (610) is fixedly connected to the upper end of the lower roller (608), a side plate (611) is fixedly connected to the right side of the lower roller (608), a groove (612) is provided on the right side of the side plate (611), a slider (613) is provided inside the groove (612), a handle (614) is fixedly connected to the right side of the slider (613), and a spring (615) is fixedly connected inside the groove (612).

2. The easily replaceable multiple-speed chain according to claim 1, characterized in that: The support frame (2) comprises an oblique support (201) and a fixed block (202); the outer side of the oblique support (201) is fixedly connected to the fixed block (202); and the vertical section of the oblique support (201) is an "L"-shaped angle steel; The support leg (3) comprises a base (301), an insert block (302) and an adjustable support leg (303); the upper end of the base (301) is fixedly connected to the insert block (302), and the lower end of the base (301) is fixedly connected to the adjustable support leg (303).

3. The easily replaceable multiple-speed chain according to claim 2, characterized in that: The bracket (1) is formed by splicing aluminum profiles, the plug block (302) is plug-connected to the bracket (1), and the fixing block (202) is slidably connected to the bracket (1).

4. The easily replaceable multiple-speed chain according to claim 1, characterized in that: The upper roller (604) is matched with the lower roller (608), and the upper groove (605) and the lower groove (609) are matched with the shaft sleeve (603).

5. The easily replaceable multiple-speed chain according to claim 1, characterized in that: The slot (606) is adapted to the slider (613); two ends of the spring (615) are respectively fixedly connected to the slider (613) and the groove (612); and an inclined surface is provided at the upper end of the slider (613).

6. The easily replaceable multiple-speed chain according to claim 1, characterized in that: The guide column (610) is plug-connected to the sleeve (607), and the upper roller (604) and the lower roller (608) are both made of nitrile rubber.

Images