Sludge drying equipment network chain installation tool

Abstract

The utility model provides a sludge drying equipment net chain installation tool, relates to the chain belt installation technology, and particularly discloses two main bearing frames arranged in pairs, a lifting mechanism and a fixing base, the main bearing frames are both rotationally arranged at the top of the fixing base, auxiliary bearing frames are both arranged in the main bearing frames in a sliding mode, and the lifting mechanism is arranged on the fixing base. One side of the lifting mechanism makes contact with a ground foundation, the telescopic end of the lifting mechanism is hinged to the auxiliary bearing frame, the main bearing frame is provided with a locking structure used for limiting movement of the auxiliary bearing frame, the angle is adjusted and the horizontal height is changed through rotation of the main bearing frame around the fixing base, and the length is adjusted through linear stretching and retracting of the auxiliary bearing frame along the guide groove. The multi-dimensional adjustment of height, angle and extension length is realized, and the network chain mounting requirements of different sludge drying equipment are met.

Description

Technical Field

[0001] This utility model relates to the field of chain installation technology, and more specifically, to a mesh chain installation tool for sludge drying equipment. Background Technology

[0002] The sludge low-temperature drying equipment consists of a low-temperature heat pump dehumidifier, a dewatered sludge pretreatment device, a mesh belt conveyor, and a secondary strip cutting device. The mesh belt conveyor's function is to drive the mesh belt during the sludge drying process. Through the slow reciprocating motion of three layers of mesh belts, the sludge is transported downwards layer by layer, and finally, the dried sludge is discharged. However, the mesh belt itself is quite heavy, making installation very laborious. In previous years, the installation of the mesh belts on the company's small-scale sludge drying equipment was entirely done manually. But with product development and the increasing use of larger equipment, now reaching 30 meters in length with a mesh belt approximately 60 meters long, manual installation is no longer feasible. Furthermore, the mesh belt is prone to deviation and jamming during installation, and the existing equipment cannot accommodate the need for multiple installations due to the need to install the mesh belt at different heights within the equipment. Utility Model Content

[0003] The purpose of this utility model is to provide a mesh chain installation tool for sludge drying equipment, which addresses the shortcomings of existing technologies and solves the problems mentioned in the background.

[0004] The technical solution of this utility model is implemented as follows:

[0005] This utility model provides a mesh chain installation fixture for sludge drying equipment, including two main support frames arranged in pairs, a lifting mechanism, and a fixed base. The main support frames are rotatably mounted on the top of the fixed base, and a secondary support frame is slidably provided inside each main support frame. One side of the lifting mechanism is in contact with the ground foundation, and the telescopic end of the lifting mechanism is hinged to the secondary support frame. The main support frame is provided with a locking structure for restricting the movement of the secondary support frame.

[0006] In some technical solutions of this utility model, guide grooves are provided on the opposite side walls of the main support frame along its extension direction, and the secondary support frame is slidably disposed in the guide grooves.

[0007] In some technical solutions of this utility model, the locking structure includes a number of limiting ports that are opened on the side wall of the main support frame along the extension direction of the main support frame. The side wall of the secondary support frame is provided with locking holes that are adapted to the limiting ports. A screw rod that extends outward after passing through the limiting port is provided in the locking hole. A limiting nut is rotatably provided on the side wall of the screw rod.

[0008] In some technical solutions of this utility model, the lifting mechanism includes a support base set on the ground foundation, and push rod structures are rotatably installed on both sides of the support base. The telescopic ends of the push rod structures are rotatably connected to the bottom of the auxiliary support frame.

[0009] In some technical solutions of this utility model, telescopic rod structures are installed between the opposite side walls of the two auxiliary support frames and between the opposite side walls of the two main support frames.

[0010] In some technical solutions of this utility model, two support rods are installed on the bearing seat, each corresponding to a main support frame, and the free end of the support rod is hinged to the main support frame.

[0011] In some technical solutions of this utility model, position sensors are installed on the side walls of both the secondary support frame and the main support frame, and a monitoring rod is installed on the monitoring end of the position sensor.

[0012] In some technical solutions of this utility model, the extension end of the secondary support frame is placed inside the equipment, and an installation plate is installed on the extension end of the secondary support frame. A counting sensor is installed on the side wall of the installation plate, and the monitoring end of the counting sensor abuts against the chain link.

[0013] Compared with the prior art, this utility model has at least the following advantages or beneficial effects: By rotating the main support frame around the fixed seat to adjust the angle (changing the horizontal height), and by extending and retracting the secondary support frame along the guide groove to adjust the length, multi-dimensional adjustment of height, angle, and extension length is achieved, adapting to the mesh chain installation requirements of different sludge drying equipment. The symmetrical drive of the lifting mechanism's dual hydraulic cylinders or electric push rods ensures smooth lifting and lowering of the secondary support frame, avoiding uneven load caused by single-point drive. The mesh chain is laid flat on the support plane formed by the main support frame and the secondary support frame for guiding the mesh chain, improving the stability during heavy-duty mesh chain installation. The array of limiting ports and locking holes, combined with the screw... The mechanical locking of the nuts ensures the rigid fixation of the secondary support frame, preventing it from retracting or shifting under load. Four position sensors located within the support plane formed by the main and secondary support frames are linked to the winch via a PLC controller. When the conveyor belt deviates and touches the monitoring bar on the position sensor, the PLC controller cuts off the power to the winch to stop pulling. After the conveyor belt is restored to its original position, the PLC controller powers the winch back on to resume operation. This system monitors whether the conveyor belt deviates during pulling, preventing it from slipping and being damaged. A counting sensor tracks the chain link pulse signals, and the PLC system automatically verifies the installation length of the conveyor belt to prevent under- or over-installation. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the overall structure of this utility model.

[0015] Figure 2This is a side view of the main support frame and the auxiliary support frame in this utility model.

[0016] Figure 3 for Figure 1 A magnified view of a portion of point A in the middle.

[0017] Figure 4 for Figure 1 A magnified view of a section at point B in the middle.

[0018] Figure 5 for Figure 1 A magnified view of a section at point C.

[0019] Figure 6 This is a schematic diagram of the working structure of the counting sensor in this utility model.

[0020] Figure label:

[0021] 1. Fixed base; 2. Main support frame; 3. Support rod; 4. Push rod structure; 5. Secondary support frame; 6. Winch; 7. Bearing seat; 8. Telescopic rod structure; 9. Monitoring rod; 10. Mounting plate; 11. Counting sensor; 12. Position sensor; 13. Limit port; 14. Locking hole. Detailed Implementation

[0022] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. The components of the embodiments of this utility model described and shown in the accompanying drawings can generally be arranged and designed in various different configurations.

[0023] Therefore, the following detailed description of the embodiments of the invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely to illustrate selected embodiments of the invention. All other embodiments obtained by those skilled in the art based on the embodiments of this invention without inventive effort are within the scope of protection of this invention.

[0024] Example

[0025] This utility model provides a mesh belt installation fixture for sludge drying equipment, such as... Figures 1-6As shown, the system includes two main support frames 2 arranged in pairs, a lifting mechanism, and a fixed base 1. Each main support frame 2 is rotatably mounted on top of the fixed base 1. A secondary support frame 5 is slidably mounted inside each main support frame 2. One side of the lifting mechanism contacts the ground foundation, and the telescopic end of the lifting mechanism is hinged to the secondary support frame 5. The main support frame 2 is equipped with a locking structure to restrict the movement of the secondary support frame 5. The main support frame 2 is mounted on the ground foundation via the fixed base 1. Initially, the secondary support frame 5 is retracted inside the main support frame 2. After the lifting mechanism is activated, its telescopic end pushes the secondary support frame 5 to slide outward along the extension direction of the main support frame 2. Simultaneously, the main support frame 2 can rotate around the fixed base 1 to adjust its angle, thereby changing the horizontal height of the free end of the secondary support frame 5. When the secondary support frame 5 extends to the target position, it is fixed by the locking structure to form a stable support platform, thereby forming an installation platform for installing the mesh chain of the sludge drying equipment. The combination of the rotation of the main support frame 2 and the extension and retraction of the secondary support frame 5 in the above structure achieves flexible adaptation of height, angle and length. The rotation design of the main support frame 2 and the fixed seat 1 utilizes a hinge structure to achieve angle adjustment, allowing the tooling to adapt to different installation heights and directions. The locking structure achieves rigid fixation of the secondary support frame 5 through mechanical limiting and screw fastening, preventing retraction or displacement. The locking structure also ensures the rigidity of the support platform under load, preventing the mesh chain from shaking or falling off during installation. The above structure enables quick assembly and disassembly, and the positioning and fixing of the secondary support frame 5 can be completed without complicated tools, shortening the installation cycle and facilitating relocation.

[0026] In some technical solutions of this utility model, guide grooves are provided on the opposite side walls of the main support frame 2 along its extension direction, and the secondary support frame 5 is slidably disposed in the guide grooves. During installation, the secondary support frame 5 slides along the guide grooves on the side walls of the main support frame 2. The guide grooves restrict its movement trajectory, ensuring that the secondary support frame 5 always extends or retracts in a straight line. The guide grooves, as a slide rail structure, physically restrict the lateral offset of the secondary support frame 5, allowing only axial sliding. The sliding pair formed by the sliding of the secondary support frame 5 and the guide groove is designed with low-friction materials (such as polytetrafluoroethylene pads) or roller mechanisms to reduce movement resistance. The secondary support frame 5 is forcibly aligned by the guide grooves, avoiding tilting of the secondary support frame 5 due to gravity or uneven load. The secondary support frame 5 is a "U"-shaped prefabricated plate structure, and its nested design with the main support frame 2 saves installation space and facilitates transportation and storage.

[0027] In some technical solutions of this utility model, the locking structure includes a plurality of limiting holes 13 all opened on the side wall of the main support frame 2 along the extension direction of the main support frame 2. The side wall of the secondary support frame 5 is provided with locking holes 14 adapted to the limiting holes 13. A screw extending outward through the limiting holes 13 is provided in the locking holes 14. A limiting nut is rotatably provided on the side wall of the screw. When the secondary support frame 5 slides to the target position, the screw is inserted into the locking hole 14 of the secondary support frame 5 and the limiting hole 13 of the main support frame 2. The limiting nut is tightened to compress the side walls of the main support frame 2 and the secondary support frame 5, and locking is achieved by friction. The limiting holes 13 and the locking holes 14 are distributed in an array, which can provide multi-level position selection to adapt to different extension length requirements and meet different working conditions. At least one screw can be used to stabilize the main support frame 2 and the secondary support frame 5. The mechanical locking has no risk of hydraulic / electrical failure and is suitable for high humidity sludge treatment environments.

[0028] In some technical solutions of this utility model, the lifting mechanism includes a support seat 7 mounted on a ground foundation. Push rod structures 4 are rotatably mounted on both sides of the support seat 7. The telescopic ends of the push rod structures 4 are rotatably connected to the bottom of the secondary support frame 5. The support seat 7 of the lifting mechanism is fixed to the ground. The push rods on both sides (such as hydraulic cylinders or electric telescopic rods) extend and retract synchronously, pushing the bottom hinge point of the secondary support frame 5, causing it to slide along the main support frame 2 and be lifted. The symmetrical layout of the double push rod structures 4 avoids uneven load caused by single-point drive, ensuring smooth lifting and lowering of the secondary support frame 5, and is suitable for heavy-duty mesh chain installation. The telescopic ends of the push rod structures 4 and the bottom of the secondary support frame 5 are hinged, allowing for slight angle changes between the push rod structures 4 and the secondary support frame 5, adapting to the sliding trajectory.

[0029] In some technical solutions of this utility model, a telescopic rod structure 8 is installed between the opposing side walls of the two auxiliary support frames 5 and between the opposing side walls of the two main support frames 2. The telescopic rod structure 8 (such as a sleeve-type connecting rod that is self-locking via a bolt structure) is installed between the main support frame 2 and the auxiliary support frame 5, and unfolds synchronously with the extension of the auxiliary support frame 5, limiting the lateral distance between the two support frames. The rigid connecting rod counteracts the lateral force, preventing the main / auxiliary support frames 5 from twisting due to load, and is suitable for asymmetric mesh chain installation.

[0030] Preferably, the telescopic rod structure 8 can also be a threaded sleeve type telescopic rod structure 8, which has a self-locking capability and improves the stability of the main support frame 2 and the secondary support frame 5 when they are deployed.

[0031] In some technical solutions of this utility model, two support rods 3, each corresponding to a main support frame 2, are installed on the support base 7. The free end of the support rod 3 is hinged to the main support frame 2. One end of the support rod 3 is fixed to the support base 7, and the other end is hinged to the main support frame 2. The support rod is a sleeve-type telescopic rod structure. When the main support frame 2 rotates to adjust its angle, the support rod 3 swings accordingly, providing auxiliary support force. The support rod 3, the main support frame 2, and the support base 7 form a stable triangular structure, dispersing the torque and preventing the main support frame 2 from overturning due to excessive rotation. The support rod 3 is hinged to both the support base 7 and the main support frame 2, allowing the main support frame 2 to rotate around the fixed base 1 during lifting, while limiting the range of rotation angle.

[0032] In some technical solutions of this utility model, position sensors 12 are installed on the side walls of both the secondary support frame 5 and the main support frame 2, and monitoring rods 9 are installed on the monitoring ends of the position sensors. The position sensors 12 (such as photoelectric encoders, which are conventional technologies) monitor the displacement of the secondary support frame 5 and the main support frame 2 in real time. The monitoring rods 9 contact the surface of the support frame and transmit the position signal to the control system. The monitoring rods 9 detect the actual position of the support frame through physical contact, with an accuracy of millimeters. Sensors are configured on both the main and secondary support frames 5 to cross-verify the position data. Sensor feedback enables automatic leveling of the lifting mechanism, reducing manual intervention. An abnormal position (such as jamming) triggers an alarm, which transmits a signal to the PLC controller. Subsequently, the PLC controller controls the push rod structure 4 to stop running, avoiding damage to the mesh chain structure during installation.

[0033] Furthermore, the mesh belt is pulled from the aforementioned installation platform to the equipment to be installed via winch 6. Four position sensors 12 located within the support plane formed by the main support frame 2 and the secondary support frame 5 are linked to the winch 6 via a PLC controller. When the mesh belt deviates and touches the monitoring rod 9 of a position sensor 12, the PLC controller controls the winch 6 to cut off power and stop pulling. After the mesh belt is returned to its original position, the PLC controller controls the winch 6 to power on again and resume operation. This is used to monitor whether the mesh belt deviates during pulling, preventing the mesh belt from slipping and being damaged.

[0034] In some technical solutions of this utility model, the extension end of the secondary support frame 5 is placed inside the equipment, and a mounting plate 10 is installed on the extension end of the secondary support frame 5. A counting sensor 11 is installed on the side wall of the mounting plate 10, and the monitoring end of the counting sensor 11 abuts against the chain link. The mounting plate 10 is fixed to the end of the secondary support frame 5, and the counting sensor 11 (such as a proximity switch) contacts the chain link. It outputs a pulse signal after passing each chain link to count the number of chain links. When a chain link protrudes and triggers the sensor, the pulse count corresponds one-to-one with the number of chain links. The sensor has a built-in filter circuit to avoid false counting caused by vibration. The chain length is checked by the number of chain links to prevent under-installation or over-installation. The counting data can be connected to the PLC control system to generate an installation log. The PLC control system, the counting sensor, and the PLC controller are all conventional technologies.

[0035] The counting sensors 11 located on both sides of the chain should count the same. When the chains on both sides are misaligned, the counts on both sides will differ, which can remind the installer to make adjustments.

[0036] The above are merely preferred embodiments of this utility model and are not intended to limit the scope of this utility model. Various modifications and variations can be made to this utility model by those skilled in the art. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A mesh belt installation fixture for sludge drying equipment, characterized in that, It includes two main support frames (2) arranged in pairs, a lifting mechanism and a fixed base (1). The main support frames (2) are rotatably mounted on the top of the fixed base (1). A secondary support frame (5) is slidably provided inside the main support frame (2). One side of the lifting mechanism is in contact with the ground foundation. The telescopic end of the lifting mechanism is hinged to the secondary support frame (5). The main support frame (2) is provided with a locking structure for restricting the movement of the secondary support frame (5).

2. The mesh belt installation fixture for sludge drying equipment according to claim 1, characterized in that, The main support frame (2) has guide grooves on its opposite side walls along its extension direction, and the secondary support frame (5) is slidably disposed in the guide grooves.

3. The mesh belt installation fixture for sludge drying equipment according to claim 1 or 2, characterized in that, The locking structure includes several limiting ports (13) opened on the side wall of the main support frame (2) along the extension direction. The side wall of the secondary support frame (5) is provided with locking holes (14) that are adapted to the limiting ports (13). A screw extending outward through the limiting port (13) is provided in the locking hole (14). A limiting nut is rotatably provided on the side wall of the screw.

4. The mesh belt installation fixture for sludge drying equipment according to claim 1, characterized in that, The lifting mechanism includes a support base (7) set on the ground foundation. Push rod structures (4) are rotatably installed on both sides of the support base (7). The telescopic end of the push rod structure (4) is rotatably connected to the bottom of the auxiliary support frame (5).

5. The mesh belt installation fixture for sludge drying equipment according to claim 4, characterized in that, Telescopic rod structures (8) are installed between the opposite side walls of the two auxiliary support frames (5) and between the opposite side walls of the two main support frames (2).

6. The mesh belt installation fixture for sludge drying equipment according to claim 4, characterized in that, The bearing seat (7) is equipped with two support rods that correspond one-to-one with the main support frame (2), and the free end of the support rod is hinged to the main support frame (2).

7. The mesh belt installation fixture for sludge drying equipment according to claim 1, characterized in that, Position sensors (12) are installed on the side walls of both the secondary support frame (5) and the main support frame (2), and a monitoring rod (9) is installed on the monitoring end of the position sensor.

8. The mesh belt installation fixture for sludge drying equipment according to claim 1, characterized in that, The extension end of the secondary support frame (5) is placed inside the equipment. An installation plate (10) is installed on the extension end of the secondary support frame (5). A counting sensor (11) is installed on the side wall of the installation plate (10). The monitoring end of the counting sensor (11) abuts against the chain link.

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