CN210654886U

CN210654886U - Chain tensioning device for reversed loader

Info

Publication number: CN210654886U
Application number: CN201921421753.4U
Authority: CN
Inventors: 胡衣锋; 崔毅; 孙业春; 李春峰
Original assignee: Shanghai Bett Transmission Equipment Co ltd
Current assignee: Shanghai Bett Transmission Equipment Co ltd
Priority date: 2019-08-29
Filing date: 2019-08-29
Publication date: 2020-06-02
Anticipated expiration: 2029-08-29

Abstract

The utility model 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 that the operation intensity is high and the difficulty is high when the chain is pre-tightened by a manual mode, the labor cost is greatly increased, the work efficiency and the production yield are reduced, the manual hydraulic pump is connected with the oil filling port and the oil outlet, when the pre-tightening is needed, hydraulic oil is led into the first synchronous oil cylinder and the second synchronous oil cylinder from the oil filling port through the manual hydraulic pump, the piston rod is contracted back into the synchronous oil cylinder, the first connecting piece and the second connecting piece are driven to move to the right end, and the lower chain tightening device and the upper chain tightening device are driven to move to the right end for contraction and, the effects of reducing the operation intensity and the labor cost and improving the working efficiency and the production yield are achieved.

Description

Chain tensioning device for reversed loader

Technical Field

The utility model relates to a tight chain technical field, concretely relates to tight chain device for elevating conveyor.

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.

SUMMERY OF THE UTILITY MODEL

(one) the utility model overcomes prior art exists not enough, provides a chain tightening device for elevating conveyor, has solved and has carried out the pretension to the chain through artificial mode, causes that operating intensity is high, the degree of difficulty is big, greatly increased labour cost, reduced work efficiency and production output's problem.

(two) in order to solve the technical problem, the utility model discloses a technical scheme be: the utility model provides a chain tensioning device for elevating conveyor, including first synchronous hydro-cylinder, second synchronous hydro-cylinder, oiling mouth, oil-out, piston rod, first connecting piece, second connecting piece, first connecting block, second connecting block, first tight chain arm and second tight chain arm, first synchronous hydro-cylinder and second synchronous hydro-cylinder size and shape are the same, and the top left end all is provided with the oiling mouth, first synchronous hydro-cylinder and second synchronous hydro-cylinder top right-hand member are provided with the oil-out of size and shape is the same, first synchronous hydro-cylinder and second synchronous hydro-cylinder left end all are provided with the piston rod of ejecting effect, first connecting piece right-hand member and the piston rod vertical fixed connection that first synchronous hydro-cylinder left end set up, second connecting piece right-hand member and the piston rod vertical fixed connection that second synchronous hydro-cylinder left end set up, first connecting block left end and first synchronous hydro-cylinder vertical welded fastening, 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.

(III) compared with the prior art, the utility model 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 present invention will be further described with reference to the accompanying drawings.

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

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

fig. 3 is a schematic structural view of the first chain tightening arm of 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 clearly understood, the present invention is further described in 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.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. 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.

Claims

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.