Tail inner tensioning device convenient for mounting and dismounting balancing weight

Abstract

The utility model discloses a tail internal tensioning device convenient to install and dismantle balancing weights, which comprises a support, two groove-shaped bodies and a plurality of balancing weights, a front groove-shaped body and a rear groove-shaped body are vertically arranged in the middle of a cross beam of the support, a groove opening of the front groove-shaped body faces forwards, a groove opening of the rear groove-shaped body faces backwards, and the balancing weights are arranged in the front groove-shaped body and the rear groove-shaped body respectively. The balancing weights are stacked into a front group and a rear group on the cross beam of the support, the rear ends of the balancing weights in the front group are located in the front groove-shaped body and detachably and fixedly connected with the cross beam of the support through fixing pieces, and the front ends of the balancing weights in the rear group are located in the rear groove-shaped body and detachably and fixedly connected with the cross beam of the support through fixing pieces. Compared with the prior art, the device has the advantages that the device is convenient to use, and the working efficiency is improved.

Description

Technical Field

[0001] This utility model relates to the technical field of bucket elevators, and in particular to the technical field of a tail internal tensioning device for easy installation and disassembly of counterweights. Background Technology

[0002] Bucket elevators are mainly composed of a head casing, a middle casing, a tail section, running parts (chains, buckets), a drive unit, and a tensioning device.

[0003] In the operating system of a bucket elevator, the counterweight structure is crucial for maintaining stable operation. Existing counterweight structures often require complex tools and considerable manpower for installation and removal, making the process cumbersome and time-consuming. A counterweight adjustment device for the tail wheel of a plate chain bucket elevator, application number CN201911305539.7, includes a shaft assembly and a counterweight wheel assembly. The shaft assembly includes a lower shaft, a lower sprocket fitted onto the outer wall of the lower shaft, and a bearing seat, with the bearing seat located at both ends of the lower shaft. The counterweight wheel assembly includes a counterweight housing, a counterweight disc, a cover, and a screw. First, the cover is opened, and the counterweight disc inside the counterweight housing is adjusted... By adding or removing weights, the weight inside the entire counterweight housing can be adjusted. After adjustment, the cover is placed on the counterweight housing, and the cover and counterweight plate are fixed to the counterweight housing with screws to prevent the counterweight plate from shaking during use. This completes the assembly of the counterweight plate and changes the weight of the counterweight wheel assembly, thus achieving the adjustment of the counterweight wheel assembly. This avoids the inconvenience and low work efficiency of using fixed combinations of counterweight wheel assemblies with different fixed weights, which require removing and reinstalling the counterweight wheel assembly from the lower shaft. In addition, the counterweight plate is not easy to remove when assembled inside the counterweight housing. Summary of the Invention

[0004] The purpose of this invention is to solve the problems in the prior art by proposing a tail-end internal tensioning device that facilitates the installation and disassembly of the counterweight, making it easy to use and improving work efficiency.

[0005] To achieve the above objectives, this utility model proposes a tail-end internal tensioning device for easy installation and disassembly of counterweights, comprising a bracket, two grooved bodies, and several counterweights. The bracket has two vertically arranged grooved bodies in the middle of its crossbeam, with the groove opening of the front grooved body facing forward and the groove opening of the rear grooved body facing backward. The counterweights are stacked in two groups on the crossbeam of the bracket. The rear end of the counterweights in the front group is located in the front grooved body and is detachably and fixedly connected to the crossbeam of the bracket by a fastener. The front end of the counterweights in the rear group is located in the rear grooved body and is detachably and fixedly connected to the crossbeam of the bracket by a fastener. Each counterweight is provided with a handle at one end.

[0006] Preferably, the fixing component includes a screw, a tightening part, and a fixing nut. The screw passes through a screw hole on the counterweight block, the lower end of the screw is threadedly connected to the crossbeam of the bracket, and the screw is provided with a threaded fixing nut for pressing and fixing the counterweight block. The upper end of the screw is provided with a tightening part.

[0007] Preferably, the screwing part is an internal hexagonal recess.

[0008] Preferably, a connecting nut that mates with a screw is fixedly embedded on the crossbeam of the bracket, and the connecting nut has a spring washer that is pressed against by the screw.

[0009] Preferably, both ends of the crossbeam of the bracket are provided with anti-tipping support mechanisms, and the anti-tipping support mechanisms include support arms, both ends of which are provided with support rollers.

[0010] Preferably, the support rollers are supported in corresponding guide grooves on the hoist housing.

[0011] Preferably, the lower ends of the two columns of the bracket are provided with fixing seats, and the fixing seats are provided with several fixing holes.

[0012] The beneficial effects of this utility model are as follows: This utility model has two vertically arranged grooves in the middle of the crossbeam of the support, with the front groove facing forward and the rear groove facing backward. The counterweights are stacked on the crossbeam of the support in two groups. The rear end of the counterweight in the front group is located in the front groove and is detachably fixed to the crossbeam of the support by a fastener. The front end of the counterweight in the rear group is located in the rear groove and is detachably fixed to the crossbeam of the support by a fastener. Each counterweight has a handle at one end, so that the installation and removal of the counterweights do not require complicated tools and can be easily completed by a single person, which greatly improves the convenience of operation and work efficiency.

[0013] The features and advantages of this utility model will be described in detail through embodiments and accompanying drawings. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the structure of an internal tensioning device at the tail of a counterweight block that is easy to install and disassemble according to this utility model.

[0015] Figure 2 This is a schematic diagram of the counterweight being fixed to the bracket by fasteners;

[0016] Figure 3 This is a schematic diagram of the installation of an internal tensioning device at the tail of a counterweight block that is easy to install and disassemble.

[0017] In the diagram: 1-bracket, 2-groove shape, 3-counterweight, 4-fixed part, 5-handle, 6-screw hole, 7-connecting nut, 8-spring washer, 9-anti-tipping support mechanism, 10-guide rail groove, 11-fixed seat, 12-fixed hole, 41-screw, 42-tightening part, 43-fixing nut, 91-support arm, 92-support roller. Detailed Implementation

[0018] See Figure 1 , Figure 2 and Figure 3 This utility model discloses a tail tensioning device for easy installation and disassembly of counterweights, comprising a bracket 1, two groove-shaped bodies 2, and several counterweights 3. The bracket 1 has two groove-shaped bodies 2 vertically arranged in the middle of its crossbeam, with the groove opening of the front groove-shaped body 2 facing forward and the groove opening of the rear groove-shaped body 2 facing backward. The counterweights 3 are stacked in two groups on the crossbeam of the bracket 1. The rear end of the counterweights 3 in the front group is located in the front groove-shaped body 2 and is detachably and fixedly connected to the crossbeam of the bracket 1 by a fixing member 4. The front end of the counterweights 3 in the rear group is located in the rear groove-shaped body 2 and is detachably and fixedly connected to the crossbeam of the bracket 1 by a fixing member 4. Each counterweight 3 has a handle 5 at one end.

[0019] The fixing component 4 includes a screw 41, a tightening part 42, and a fixing nut 43. The screw 41 passes through the screw hole 6 on the counterweight 3. The lower end of the screw 41 is threadedly connected to the crossbeam of the bracket 1. The screw 41 is provided with a threaded fixing nut 43 for pressing and fixing the counterweight 3. The upper end of the screw 41 is provided with a tightening part 42.

[0020] The rotating part 42 is an internal hexagonal recessed groove.

[0021] A connecting nut 7 that mates with a screw 41 is fixedly embedded on the crossbeam of the bracket 1. The connecting nut 7 contains a spring washer 8 that is pressed against by the screw 41.

[0022] The crossbeam of the bracket 1 is provided with anti-tipping support mechanism 9 at both ends. The anti-tipping support mechanism 9 includes support arm 91, and support roller 92 is provided at both ends of the support arm 91.

[0023] The support roller 92 is supported in the corresponding guide groove 10 on the hoist housing.

[0024] The lower ends of the two columns of the bracket 1 are provided with fixing seats 11, and the fixing seats 11 are provided with a plurality of fixing holes 12.

[0025] The bracket 1 adopts a built-in design, which connects the bracket 1 to the transmission structure and is built into the tail of the hoist. This design makes the overall structure more compact, effectively saves external space, and reduces the interference of external factors on the structure.

[0026] The handle 5 is installed at one end of the counterweight 3 or in an easy-to-operate position to facilitate the operator's handling, installation and disassembly.

[0027] The counterweights 3 are stacked on the crossbeam of the support 1 into two separate sets, effectively reducing the weight and volume of a single counterweight 3 (by dividing the original whole block into two), making the counterweights of moderate size and convenient for single-person operation and disassembly.

[0028] During the operation of the hoist, the anti-tipping support mechanism 9 always maintains lateral restraint on the support 1, bears the lateral force generated by the counterweight under various working conditions, and prevents it from tipping over due to factors such as vibration and external impact. When the operating status of the hoist changes, such as starting, stopping or speed adjustment, the rollers can allow the support 1 to make a small range of displacement to adapt to the dynamic changes during operation and reduce friction.

[0029] The working process of this utility model:

[0030] This utility model discloses a tail-end internal tensioning device for easy installation and disassembly of counterweights. During operation, when installing the counterweights, the operator lifts the counterweights 3 using handle 5, and then stacks the counterweights 3 on the crossbeam of the support 1 into two groups, front and back. The rear end of the counterweights 3 in the front group is located in the front groove 2, and the front end of the counterweights 3 in the rear group is located in the rear groove 2. When the required number of counterweights 3 is reached, the screw 41 is threaded through the screw hole 6 on the counterweights 3 in the same group and threadedly connected to the corresponding connecting nut 7. Then, the fixing nut 43 is tightened to press and fix the counterweights 3.

[0031] Alternatively, the screw 41 can be threadedly connected to the connecting nut 7 first, and then the counterweights 3 can be stacked one by one on the screw 41. Each time, it is necessary to ensure that the screw 41 corresponds to the screw hole 6 and that the height of the counterweights 3 is higher than the top of the screw 41. This method is less convenient than the above method.

[0032] When disassembling the counterweight, remove the screw 41 from the connecting nut 7, and then the operator can lift the counterweight 3 from the installation position using the handle 5.

[0033] Alternatively, the fixing nut 43 can be removed from the screw 41, and then the counterweight 3 can be slid along the screw 41 to be removed from the installation position. However, this method is less convenient than removing the screw 41.

[0034] Improved convenience: By setting a handle 5 on the counterweight 3 and using a bracket 1, two groove-shaped bodies 2 and a fixing part 4, the installation and disassembly of the counterweight can be completed easily by a single person without complicated tools, which greatly improves the convenience of operation and work efficiency.

[0035] Enhanced stability: The anti-tipping support mechanism 9 is designed to effectively prevent the counterweight 3 from tipping over and shaking during the operation of the hoist, ensuring the stability and reliability of the hoist operation and reducing equipment failures and maintenance costs caused by counterweight instability.

[0036] Space utilization optimization: The built-in design of bracket 1 makes the entire tensioning device more compact, saving installation space at the tail of the hoist, which is conducive to the rational layout of other external components of the hoist and the optimization of the overall structure.

[0037] The above embodiments are illustrative of the present invention and are not intended to limit the present invention. Any simple modifications to the present invention are within the protection scope of the present invention.

Claims

1. A tail-end internal tensioning device for convenient installation and disassembly of a counterweight, characterized in that: The support includes a bracket (1), two grooved bodies (2) and several counterweights (3). The crossbeam of the bracket (1) has two grooved bodies (2) vertically arranged in the middle, with the groove opening of the front grooved body (2) facing forward and the groove opening of the rear grooved body (2) facing backward. The counterweights (3) are stacked in two groups on the crossbeam of the bracket (1). The rear end of the counterweights (3) of the front group is located in the front grooved body (2) and is detachably fixed to the crossbeam of the bracket (1) through a fastener (4). The front end of the counterweights (3) of the rear group is located in the rear grooved body (2) and is detachably fixed to the crossbeam of the bracket (1) through a fastener (4). One end of each counterweight (3) is provided with a handle (5).

2. The tail-end internal tensioning device for convenient installation and disassembly of the counterweight as described in claim 1, characterized in that: The fastener (4) includes a screw (41), a screwing part (42), and a fixing nut (43). The screw (41) passes through the screw hole (6) on the counterweight (3). The lower end of the screw (41) is threadedly connected to the crossbeam of the bracket (1). The screw (41) is provided with a threaded fixing nut (43) for pressing and fixing the counterweight (3). The upper end of the screw (41) is provided with a screwing part (42).

3. The tail-end internal tensioning device for convenient installation and disassembly of the counterweight as described in claim 2, characterized in that: The rotating part (42) is an internal hexagonal recess.

4. The tail-end internal tensioning device for convenient installation and disassembly of the counterweight as described in claim 2, characterized in that: The crossbeam of the bracket (1) is fixedly inlaid with a connecting nut (7) that cooperates with the screw (41), and the connecting nut (7) is provided with a spring washer (8) that is pressed by the screw (41).

5. The tail-end internal tensioning device for convenient installation and disassembly of the counterweight as described in claim 1, characterized in that: The crossbeam of the bracket (1) is provided with anti-tipping support mechanism (9) at both ends. The anti-tipping support mechanism (9) includes a support arm (91) and a support roller (92) at both ends of the support arm (91).

6. The tail-end internal tensioning device for convenient installation and disassembly of the counterweight as described in claim 5, characterized in that: The support roller (92) is supported in the corresponding guide groove (10) on the hoist housing.

7. A tail-end internal tensioning device for convenient installation and disassembly of a counterweight as described in any one of claims 1 to 6, characterized in that: The lower ends of the two columns of the bracket (1) are provided with fixing seats (11), and the fixing seats (11) are provided with several fixing holes (12).

Images