阅读说明：本技术 一种用于转载机的紧链装置 (Chain tensioning device for reversed loader ) 是由 胡衣锋 崔毅 孙业春 李春峰 于 2019-08-29 设计创作，主要内容包括：本发明公开了一种用于转载机的紧链装置,其结构包括第一同步油缸、第二同步油缸、注油口、出油口、活塞杆、第一连接件、第二连接件、第一连接块、第二连接块、第一紧链臂和第二紧链臂,为解决通过人工的方式对链条进行预紧,造成作业强度高、难度大,大大增加了劳动成本,降低了工作效率和生产产量的问题,通过手动液压泵与注油口和出油口进行连接,需要进行预紧时,通过手动液压泵由注油口往第一同步油缸和第二同步油缸内导入液压油,使活塞杆收缩回同步油缸内,带动第一连接件和第二连接件向右端移动,带动下紧链器和上紧链器向右端移动进行收缩夹紧,达到降低作业强度和劳动成本,提高了工作效率和生产产量的效果。(The invention discloses a chain tightening device for a reversed loader, which structurally comprises a first synchronous oil cylinder, a second synchronous oil cylinder, an oil filling port, an oil outlet, a piston rod, a first connecting piece, a second connecting piece, a first connecting block, a second connecting block, a first chain tightening arm and a second chain tightening arm, and aims to solve the problems of high operation intensity and difficulty, great increase of labor cost and reduction of working efficiency and production yield caused by the fact that a chain is pre-tightened in a manual mode, hydraulic oil is introduced into the first synchronous oil cylinder and the second synchronous oil cylinder from the oil filling port through a manual hydraulic pump when the pre-tightening is needed, the piston rod is contracted back into the synchronous oil cylinders, the first connecting piece and the second connecting piece are driven to move towards the right end, and the lower chain tightening device and the upper chain tightening device are driven to move towards the right end to be contracted and clamped, the effects of reducing the operation intensity and the labor cost and improving the working efficiency and the production yield are achieved.)

1. A chain tensioner for a reversed loader, characterized in that: comprises a first synchronous oil cylinder (1), a second synchronous oil cylinder (2), an oil filling port (3), an oil outlet (4), a piston rod (5), a first connecting piece (6), a second connecting piece (7), a first connecting block (8), a second connecting block (9), a first tight chain arm (10) and a second tight chain arm (11), wherein the first synchronous oil cylinder (1) and the second synchronous oil cylinder (2) have the same size and shape, the left end of the top of the first synchronous oil cylinder is provided with the oil filling port (3), the right ends of the tops of the first synchronous oil cylinder (1) and the second synchronous oil cylinder (2) are provided with the oil outlet (4) with the same size and shape, the left ends of the first synchronous oil cylinder (1) and the second synchronous oil cylinder (2) are provided with the piston rod (5) for ejection, and the right end of the first connecting piece (6) is vertically and fixedly connected with the piston rod (5) arranged at the left end of the first synchronous oil cylinder, the right end of the second connecting piece (7) is vertically and fixedly connected with a piston rod (5) arranged at the left end of the second synchronous oil cylinder (2), the left end of the first connecting block (8) is vertically welded and fixed with the first synchronous oil cylinder (1), the second connecting block (9) is vertically welded and fixed with the right end of the second synchronous oil cylinder (2), the top of the first chain tightening arm (10) is fixedly connected with the first connecting piece (6) through a bolt, the bottom of the first tight chain arm (10) is vertically and fixedly connected with the second connecting piece (7) through a bolt, the first tight chain arm (10) and the second tight chain arm (11) are the same in size and shape and different in position, the top of the second tight chain arm (11) is vertically and fixedly connected with the first connecting block (8) through a bolt, the second tight chain arm (11) is fixedly connected with the right end of the second connecting block (9) through a bolt.

2. The chain tensioner for a reversed loader according to claim 1, characterized in that: first tight chain arm (10) comprise tight chain ware (101), spacing groove (102), fixed pin (103), tight chain ware (104) and connecting chain (105) down, tight chain ware (101) left end bottom is provided with spacing groove (102) down, spacing groove (102) are died with tight chain ware (104) bottom fixed lock through fixed pin (103), connecting chain (105) one end and tight chain ware (101) welded fastening down, the other end and tight chain ware (104) welded fastening, tight chain ware (101) right-hand member passes through bolt fastening connection with second connecting piece (7) down, tight chain ware (101) pass through bolt and first connecting piece (6) left end fixed connection down.

3. The chain tensioner for a reversed loader according to claim 2, characterized in that: the bottom of the lower chain tightener (101) and the top of the upper chain tightener (104) are both provided with round threaded holes with the same size.

4. The chain tensioner for a reversed loader according to claim 2, characterized in that: the left ends of the lower chain tightener (101) and the upper chain tightener (104) are provided with circular through holes.

5. The chain tensioner for a reversed loader according to claim 2, characterized in that: the size of the limiting groove (102) is matched with the size of the lower end of the upper chain tightener (104).

6. The chain tensioner for a reversed loader according to claim 1, characterized in that: the external distance from the first synchronous oil cylinder (1) to the second synchronous oil cylinder (2) is 369.5 mm.

7. The chain tensioner for a reversed loader according to claim 2, characterized in that: the outer surfaces of the lower chain tightener (101) and the upper chain tightener (104) are respectively plated with a layer of compact oxidized metal coating.

Technical Field

The invention relates to the technical field of chain tightening devices, in particular to a chain tightening device for a reversed loader.

Background

The chain is all carried out the pretension through artifical mode in the past to the transmission trouble that the easy not hard up of transfer machine transmission chain in the coal transportation process caused the chain, so operation intensity is high, the degree of difficulty is big, greatly increased labour cost, reduced work efficiency and production output, for solving this difficult problem, we developed a special tight chain device of a section.

Disclosure of Invention

The chain tightening device for the reversed loader overcomes the defects in the prior art, and solves the problems of high operation intensity, high difficulty, greatly increased labor cost and reduced working efficiency and production yield caused by the fact that the chain is pre-tightened in a manual mode.

In order to solve the technical problems, the invention adopts the technical scheme that: the invention provides a chain tightening device for a reversed loader, which comprises a first synchronous oil cylinder, a second synchronous oil cylinder, an oil filling port, an oil outlet, a piston rod, a first connecting piece, a second connecting piece, a first connecting block, a second connecting block, a first chain tightening arm and a second chain tightening arm, wherein the first synchronous oil cylinder and the second synchronous oil cylinder are same in size and shape, the oil filling port is arranged at the left end of the top of the first synchronous oil cylinder, the oil outlet is arranged at the right end of the top of the first synchronous oil cylinder and the right end of the second synchronous oil cylinder, the piston rod for ejection is arranged at the left end of the first synchronous oil cylinder and the piston rod for ejection is arranged at the right end of the first connecting piece and is vertically and fixedly connected with the piston rod arranged at the left end of the first synchronous oil cylinder, the right end of the second connecting piece and the piston rod arranged at the left end of the second synchronous oil cylinder are vertically and fixedly connected, and the left end of the first connecting block, the second connecting block is vertically welded and fixed with the right end of the second synchronous oil cylinder, the top of the first chain tensioning arm is fixedly connected with the first connecting piece through a bolt, the bottom of the first chain tensioning arm is vertically fixedly connected with the second connecting piece through a bolt, the first chain tensioning arm and the second chain tensioning arm are identical in size and shape and different in position, the top of the second chain tensioning arm is vertically fixedly connected with the first connecting block through a bolt, and the second chain tensioning arm is fixedly connected with the right end of the second connecting block through a bolt.

Further, first tight chain arm comprises tight chain ware, spacing groove, fixed pin, tight chain ware and connecting chain down, tight chain ware left end bottom is provided with the spacing groove down, the spacing groove is died through fixed pin and the fixed lock in tight chain ware bottom, connecting chain one end and tight chain ware welded fastening down, the other end and tight chain ware welded fastening down, tight chain ware right-hand member passes through bolt-up with the second connecting piece and is connected down, tight chain ware passes through bolt and first connecting piece left end fixed connection down.

Further, the bottom of the lower chain tightener and the top of the upper chain tightener are provided with round threaded holes with the same size.

Furthermore, the left ends of the lower chain tightener and the upper chain tightener are provided with circular through holes.

Furthermore, the size of the limiting groove is matched with the size of the lower end of the chain tightening device.

Further, the external distance from the first synchronous oil cylinder to the second synchronous oil cylinder is 369.5 mm.

Furthermore, the outer surfaces of the lower chain tightener and the upper chain tightener are plated with a layer of compact oxidized metal coating.

Compared with the prior art, the invention has the following beneficial effects: for solving and carrying out the pretension to the chain through artificial mode, cause the working strength high, the degree of difficulty is big, greatly increased labour cost, work efficiency and production output's problem has been reduced, be connected with oiling mouth and oil-out through manual hydraulic pump, when needing to carry out the pretension, lead to hydraulic oil in by oiling mouth toward first synchronous cylinder and the synchronous cylinder of second through manual hydraulic pump, make the piston rod shrink back in the synchronous cylinder, drive first connecting piece and second connecting piece and move to the right-hand member, it carries out the shrink to move to the right-hand member tightly to drive chain tightening device and chain tightening device down and presss from both sides tightly, reach and reduce working strength and labour cost, the effect of work efficiency and production output has been improved.

Drawings

The invention is further described below with reference to the accompanying drawings.

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic top view of the present invention;

fig. 3 is a schematic structural diagram of a first chain tightening arm according to the present invention.

In the figure: the oil filling device comprises a first synchronous oil cylinder 1, a second synchronous oil cylinder 2, an oil filling opening 3, an oil outlet 4, a piston rod 5, a first connecting piece 6, a second connecting piece 7, a first connecting block 8, a second connecting block 9, a first chain tightening arm 10, a second chain tightening arm 11, a lower chain tightening device 101, a limiting groove 102, a fixing pin 103, an upper chain tightening device 104 and a connecting chain 105.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1, 2 and 3, the present invention provides a chain tensioner for a reversed loader: comprises a first synchronous oil cylinder 1, a second synchronous oil cylinder 2, an oil filling port 3, an oil outlet 4, a piston rod 5, a first connecting piece 6, a second connecting piece 7, a first connecting block 8, a second connecting block 9, a first chain tightening arm 10 and a second chain tightening arm 11, wherein the first synchronous oil cylinder 1 and the second synchronous oil cylinder 2 have the same size and shape, the oil filling port 3 is arranged at the left end of the top, the oil outlet 4 with the same size and shape is arranged at the right end of the top of the first synchronous oil cylinder 1 and the right end of the top of the second synchronous oil cylinder 2, the piston rod 5 for ejection is arranged at the left ends of the first synchronous oil cylinder 1 and the second synchronous oil cylinder 2, the right end of the first connecting piece 6 is vertically and fixedly connected with the piston rod 5 arranged at the left end of the first synchronous oil cylinder 1, the right end of the second connecting piece 7 is vertically and fixedly connected with the piston rod 5 arranged at the left end of the second synchronous oil cylinder 2, the, the second connecting block 9 is vertically welded and fixed with the right end of the second synchronous oil cylinder 2, the top of the first tight chain arm 10 is fixedly connected with the first connecting piece 6 through a bolt, the bottom of the first tight chain arm 10 is fixedly connected with the second connecting piece 7 through a bolt, the first tight chain arm 10 and the second tight chain arm 11 are identical in size and shape and different in position, the top of the second tight chain arm 11 is fixedly connected with the first connecting block 8 through a bolt, and the second tight chain arm 11 is fixedly connected with the right end of the second connecting block 9 through a bolt.

Wherein, first tight chain arm 10 comprises tight chain ware 101 down, spacing groove 102, fixed pin 103, tight chain ware 104 and connecting chain 105, tight chain ware 101 left end bottom is provided with spacing groove 102 down, spacing groove 102 is dead with tight chain ware 104 bottom fixed lock through fixed pin 103, connecting chain 105 one end and tight chain ware 101 welded fastening down, the other end and tight chain ware 104 welded fastening, tight chain ware 101 right-hand member passes through bolt-up with second connecting piece 7 down, tight chain ware 101 passes through bolt and first connecting piece 6 left end fixed connection down.

Wherein, tight chain ware 101 bottom and tight chain ware 104 top all are provided with the circular screw hole of the same size down, conveniently pass through screw thread fixed connection.

Wherein, tight chain ware 101 and tight chain ware 104 left end all are provided with the circular shape through-hole down, conveniently lock fixedly through fixed pin 103.

The size of the limiting groove 102 is matched with the size of the lower end of the chain tightening device 104, so that the chain tightening device 104 can be conveniently connected, and the chain tightening device 104 can be prevented from rotating.

The distance between the first synchronous oil cylinder 1 and the second synchronous oil cylinder 2 is 369.5mm, and a transmission chain can be conveniently sleeved.

Wherein, the outer surfaces of the lower chain tightener 101 and the upper chain tightener 104 are respectively plated with a dense oxidized metal coating, so that the oxidation corrosion can be prevented.

The working principle is as follows: firstly, the device is moved to be properly installed and fixed, then a manual hydraulic pump is hermetically connected with an oil filling port 3 and an oil outlet 4 on a first synchronous oil cylinder 1 and a second synchronous oil cylinder 2, when pre-tightening is needed, hydraulic oil is injected into the first synchronous oil cylinder 1 and the second synchronous oil cylinder 2 from the oil filling port 3 through the manual hydraulic pump, a stressed piston rod 5 is retracted into the first synchronous oil cylinder 1 and the second synchronous oil cylinder 2, a first connecting piece 6 and a second connecting piece 7 are driven to move towards the right end, a lower chain tightener 101 and a upper chain tightener 104 are driven to move towards the right end for shrinkage and clamping, when opening is needed, the hydraulic oil is pumped out from the oil outlet 4 into the first synchronous oil cylinder 1 and the second synchronous oil cylinder 2 through the manual hydraulic pump, the stressed piston rod 5 is pushed out from the first synchronous oil cylinder 1 and the second synchronous oil cylinder 2, the first connecting piece 6 and the second connecting piece 7 are driven to move towards the left end, the lower chain tightener 101 and the upper chain tightener 104 are driven to move to the left end and open, so that the effects of reducing the operation intensity and the labor cost and improving the working efficiency and the production yield are achieved.

While there have been shown and described what are at present considered the fundamental principles and essential features of the invention and its advantages, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.