Hydraulic traction mechanism of rare earth oxide tunnel kiln

Abstract

The utility model discloses a hydraulic traction mechanism of a rare earth oxide tunnel kiln. The hydraulic traction mechanism comprises a hydraulic station, an oil cylinder supporting seat, an oil cylinder positioning seat, a hydraulic oil cylinder, a pull rod positioning seat and a concrete foundation, supporting walls are arranged at the front end and the rear end of the concrete foundation correspondingly and connected with the two ends of the supporting beam correspondingly. The hydraulic station is arranged on the side portion of the concrete foundation and connected with the hydraulic oil cylinder through a hydraulic pipeline, and the hydraulic oil cylinder is provided with a telescopic rod. The tops of the oil cylinder supporting seat and the oil cylinder positioning seat are respectively connected to the hydraulic oil cylinder, and the bottoms are connected to a concrete foundation; a plurality of pull rod positioning seats are arranged at the bottom of the supporting beam, sliding sleeves are arranged on the pull rod positioning seats, and the telescopic rods are sleeved with the sliding sleeves. The hydraulic power source is adopted for the tunnel kiln return line, traction force of the return line is improved, overload operation of the return line is avoided, and working efficiency of the tunnel kiln return line is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to tunnel kiln technical field, concretely relates to a rare earth oxide tunnel kiln hydraulic traction mechanism. BACKGROUND

[0002] Tunnel kiln is the kiln that is similar to tunnel and is built by refractory material, heat preservation material and building material and is equipped with carrying tool such as kiln car, and is continuous firing heat engineering equipment.

[0003] Kiln car of tunnel kiln is pulled from kiln tail to kiln head by traction mechanism on return line, and is sent to kiln head after changing direction through ferry car, and is pushed into kiln tail by hydraulic car lifter of kiln head. In tunnel kiln, kiln car on track is pushed to kiln tail one by one by thrust of car lifter, and on return line, kiln car is pulled from kiln tail to kiln head by traction device of kiln head. Kiln car is placed on ferry car to change direction from kiln tail to return line, and kiln car is driven to kiln head direction by traction mechanism of return line, and is sent into kiln head after changing direction through ferry car, and kiln car enters preheating zone to carry out one-week circulation action. During the period, empty box and full box on kiln car are all handled by mechanical hand to dismantle and stack, and automatic filling system carries out filling of box material.

[0004] At present, about 15 kiln cars are on return line, and after automatic reform of dismantling and stacking mechanical hand, return line is full of kiln cars due to control logic, and about 40 kiln cars, and after two years of operation, it is found that load capacity of traction mechanism of return line is not enough, and problems exist as follows:

[0005] 1. Breakage of chain on return line and damage of bearing frequently occur.

[0006] Kiln car cannot normally enter kiln, leading to reduction of output and waste of fuel gas, and in nearly one year of production, manual pushing of car is adopted to help kiln car of return line to hook and enter kiln, and about 6 cars are manually pushed per kiln, and in summer, kiln car itself is about 200 DEG C after coming out of kiln tail, and manual pushing of car exists certain personnel safety hazard.

[0007] 2. Overload operation of return line exists production and safety hazard.

[0008] Original design load is to drag 10-16 kiln cars, and present working condition needs to drag more than 40 kiln cars, and steel structure frame of present traction mechanism has occurred bending deformation, and embedded concrete foot has been pulled out, and there is great hidden danger. INVENTION CONTENTS

[0009] The utility model aims at providing a kind of rare earth oxide tunnel kiln hydraulic traction mechanism, so that return line uses hydraulic power source, improve the traction of return line, avoid overload operation of return line, improve the working efficiency of tunnel kiln return line.

[0010] The technical scheme is as follows:

[0011] The rare earth oxide tunnel kiln hydraulic traction mechanism comprises a hydraulic station, an oil cylinder support seat, an oil cylinder positioning seat, a hydraulic oil cylinder, a pull rod positioning seat and a concrete foundation.

[0012] Further, the sliding sleeve is provided with a sensor mounting hole, and a travel switch is mounted in the sensor mounting hole.

[0013] Further, the hydraulic station is located on the inner side of the support wall, and the hydraulic station is provided with a hydraulic oil tank, a first hydraulic oil pump and a second hydraulic oil pump.

[0014] Further, the concrete foundation at the bottom of the oil cylinder support seat is provided with a first foundation pit, a first embedded part is arranged in the first foundation pit, a first foundation plate is connected to the top of the first embedded part, the first foundation plate is connected to the bottom of the oil cylinder support seat through bolts, and the first embedded part is embedded in the concrete of the first foundation pit.

[0015] Further, the concrete foundation at the bottom of the oil cylinder positioning seat is provided with a second foundation pit, a second embedded part is arranged in the second foundation pit, a second foundation plate is connected to the top of the second embedded part, the second foundation plate is connected to the bottom of the oil cylinder positioning seat through bolts, and the second embedded part is embedded in the concrete of the second foundation pit.

[0016] Further, the telescopic rod is connected with a trolley pull rod.

[0017] Compared with the prior art, the utility model has the following advantages:

[0018] The use of the utility model makes the reverse line adopt a hydraulic power source, improves the reverse line traction force, avoids overload operation of the reverse line, and improves the working efficiency of the tunnel kiln reverse line.

[0019] The utility model divides the whole movement of the kiln car on the reverse line into four parts according to the logical requirements of the process, can realize automatic operation and control of the reverse line, avoids damage of spare parts to affect the working efficiency of the whole reverse line, and improves the working efficiency of the tunnel kiln reverse line.

[0020] Due to the particularity of the tunnel kiln production (24 hours uninterrupted continuous production), it is necessary to transport the kiln car into the kiln body according to the set time law. The utility model can keep the burning rhythm of the furnace to be 23min / car, does not affect the output of the furnace, and when the disassembling and stacking mechanical arm fails or is maintained, 11 kiln cars can be stored in the kiln area, 4-5 hours of maintenance time can be obtained, and the production is not affected.

[0021] The utility model reduces manual operation and eliminates safety hazards. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 It is a structure schematic view of the rare earth oxide tunnel kiln hydraulic traction mechanism in the utility model. DETAILED DESCRIPTION

[0023] The following description fully shows the specific implementation of the utility model, so that those skilled in the art can practice and reproduce.

[0024] As Figure 1 shown, it is a structure schematic view of the rare earth oxide tunnel kiln hydraulic traction mechanism in the utility model.

[0025] The rare earth oxide tunnel kiln hydraulic traction mechanism comprises a hydraulic station 1, an oil cylinder support seat 2, an oil cylinder positioning seat 3, a hydraulic oil cylinder 4, a pull rod positioning seat 5 and a concrete foundation 6.

[0026] The concrete foundation 6 is provided with support walls 61 at the front and rear ends, and support beams 62 are connected to the two support walls 61 at both ends; the hydraulic station 1 is arranged on the side of the concrete foundation 6, the hydraulic station 1 is connected to the hydraulic oil cylinder 4 through a hydraulic pipeline, and the hydraulic oil cylinder 4 is provided with an extension rod 41; the oil cylinder support seat 2 and the oil cylinder positioning seat 3 are connected to the hydraulic oil cylinder 4 at the top and to the concrete foundation 6 at the bottom; the support beam 62 is provided with a plurality of pull rod positioning seats 5 at the bottom, the pull rod positioning seat 5 is provided with a sliding sleeve, and the extension rod 41 is sleeved in the sliding sleeve.

[0027] The sliding sleeve is provided with a sensor mounting hole, and a travel switch is mounted in the sensor mounting hole. When the extension rod 41 passes through the sliding sleeve, the travel switch is touched, and the travel switch sends a position signal to the control system.

[0028] The hydraulic station 1 is located inside the support wall 61, the hydraulic station 1 is connected to the first oil inlet and the second oil inlet of the hydraulic oil cylinder 4 through two hydraulic pipelines, the first oil inlet is arranged at the rear end of the hydraulic oil cylinder 4, and the second oil inlet is arranged at the front end of the hydraulic oil cylinder 4.

[0029] The hydraulic station 1 is provided with a hydraulic oil tank, a first hydraulic oil pump, a second hydraulic oil pump, a first oil inlet and a second oil inlet, the first oil inlet and the second oil inlet are connected to the hydraulic oil tank through hydraulic pipelines, and the first hydraulic oil pump and the second hydraulic oil pump are arranged in the two hydraulic pipelines. After the hydraulic oil is discharged from the hydraulic oil tank, it is pressurized by the first hydraulic oil pump and then enters the first oil inlet of the hydraulic oil cylinder 4 through the hydraulic pipeline, thereby pushing the telescopic rod 41 to extend out of the hydraulic oil cylinder 4; the hydraulic oil is pressurized by the hydraulic oil pump and then enters the second oil inlet through the hydraulic pipeline, thereby pushing the telescopic rod 41 to retract into the hydraulic oil cylinder 4.

[0030] The concrete foundation 6 at the bottom of the oil cylinder support seat 2 is provided with a first foundation pit, the first foundation pit is provided with a first embedded part 21, the top of the first embedded part 21 is connected with a first foundation plate 22, and the first foundation plate 22 is connected to the bottom of the oil cylinder support seat 2 through bolts.

[0031] The concrete foundation 6 at the bottom of the oil cylinder positioning seat 3 is provided with a second foundation pit, the second foundation pit is provided with a second embedded part 31, the top of the second embedded part is connected with a second foundation plate 32, and the second foundation plate 32 is connected to the bottom of the oil cylinder positioning seat 3 through bolts.

[0032] The telescopic rod 41 is connected with a trolley pull rod, the trolley pull rod is connected with a kiln car, the kiln car is provided with a sliding groove, the kiln car is moved to a specified position, and the trolley pull rod is withdrawn from the sliding groove.

[0033] 1. The return line is modified.

[0034] The original return line is modified into four sections, which correspond to the kiln car cooling area, the buffer temporary storage area, the mechanical hand unstacking area and the area waiting to enter the kiln respectively, and each section is provided with a rare earth oxide tunnel kiln hydraulic traction mechanism, which adopts a hydraulic drive form to meet the existing load capacity and process control requirements.

[0035] The kiln car cooling area, the buffer temporary storage area, the mechanical hand unstacking area and the area waiting to enter the kiln are provided with an overpass area between two adjacent areas.

[0036] The kiln car cooling area places a certain number of kiln cars for cooling and cooling of the kiln cars; the buffer temporary storage area leaves a certain number of spaces (buffer kiln cars, ferry cars, car jacks or kiln failures to ensure that the mechanical hand unstacking can work normally within a certain time); the mechanical hand unstacking area is used for unstacking and stacking of the mechanical hand; and the area waiting to enter the kiln is full of kiln cars ready to enter the kiln.

[0037] The first foundation pit and the second foundation pit are excavated on the concrete foundation 6 of the return line by using a road surface cutting machine and an electric grab, the first embedded part 21, the first foundation plate 22, the second embedded part 31 and the second foundation plate 32 are installed, the concrete is poured in the first foundation pit and the second foundation pit, and after the concrete solidifies, the first foundation plate 22 and the second foundation plate 32 connect the oil cylinder support seat 2 and the oil cylinder positioning seat 3.

[0038] 2, install hydraulic station 1, hydraulic cylinder 4, connect hydraulic pipeline, the electrical connection of first hydraulic pump, second hydraulic pump, travel switch;

[0039] 3, the kiln car moves on the track, the track passes through the kiln car cooling area, the buffer temporary storage area, the mechanical hand unstacking area, the area waiting for entering the kiln, and waits to put into the transfer car.

[0040] The kiln car from the tunnel kiln enters the kiln car cooling area, the trolley pull rod of the telescopic rod 41 is inserted into the kiln car sliding groove, the telescopic rod 41 moves, drives the kiln car to reach the transition area, the travel switch sends a command, the telescopic rod 41 stops moving, the kiln car enters the buffer temporary storage area, and the trolley pull rod is separated from the sliding groove;

[0041] According to the principle, the kiln car enters the buffer temporary storage area, the mechanical hand unstacking area and the area waiting for entering the kiln in turn.

[0042] The terms used in the utility model are illustrative and non-limiting terms. Since the utility model can be embodied in various forms without departing from the spirit or essence of the technical scheme, it should be understood that the above examples are not limited to any of the above details, but should be widely interpreted within the spirit and scope defined by the appended claims, so all changes and modifications falling within the scope of the claims or their equivalents should be covered by the appended claims.

Claims

1. A rare earth oxide tunnel kiln hydraulic traction mechanism, characterized by, The utility model relates to a kind of hydraulic station, oil cylinder support seat, oil cylinder positioning seat, hydraulic cylinder, pull rod positioning seat, concrete foundation;Concrete foundation is provided with support wall at two ends, and support beam is connected with two support walls respectively;Hydraulic station is arranged in the side of concrete foundation, and hydraulic station is connected with hydraulic cylinder by hydraulic pipeline, and hydraulic cylinder is provided with telescopic rod;Oil cylinder support seat, oil cylinder positioning seat top are connected on hydraulic cylinder respectively, and bottom is connected on concrete foundation;Support beam bottom is provided with multiple pull rod positioning seats, and pull rod positioning seat is provided with sliding sleeve, and telescopic rod is sleeved in sliding sleeve. Sliding sleeve is provided with sensor mounting hole, and travel switch is installed in sensor mounting hole. Hydraulic station is located in the inside of support wall, and hydraulic station is provided with hydraulic oil tank, first hydraulic oil pump, second hydraulic oil pump;Hydraulic cylinder is provided with first oil inlet and second oil inlet, and first oil inlet is arranged at the rear end of hydraulic cylinder, and second oil inlet is arranged at the front end of hydraulic cylinder;First oil inlet and second oil inlet are connected with hydraulic oil tank by hydraulic pipeline respectively, and first hydraulic oil pump and second hydraulic oil pump are arranged on two hydraulic pipelines respectively.

2. The rare earth oxide tunnel kiln hydraulic tractor mechanism as claimed in claim 1, wherein, The concrete foundation of oil cylinder support seat bottom is provided with first foundation pit, and first foundation pit is provided with first embedded part, and first embedded part top is connected with first foundation plate, and first foundation plate is connected with the bottom of oil cylinder support seat by bolt, and first embedded part is embedded in the concrete of first foundation pit.

3. The rare earth oxide tunnel kiln hydraulic tractor mechanism as claimed in claim 1, wherein, The concrete foundation of oil cylinder positioning seat bottom is provided with second foundation pit, and second foundation pit is provided with second embedded part, and second embedded part top is connected with second foundation plate, and second foundation plate is connected with the bottom of oil cylinder positioning seat by bolt, and second embedded part is embedded in the concrete of second foundation pit.

4. The rare earth oxide tunnel kiln hydraulic tractor mechanism of claim 1 wherein, Telescopic rod is connected with trolley pull rod.

5. The rare earth oxide tunnel kiln hydraulic tractor mechanism of claim 1 wherein, ​ 6. The rare earth oxide tunnel kiln hydraulic tractor mechanism of claim 1 wherein, ​

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