CN214141496U - Light hydraulic chain tightening device - Google Patents
Light hydraulic chain tightening device Download PDFInfo
- Publication number
- CN214141496U CN214141496U CN202023066291.4U CN202023066291U CN214141496U CN 214141496 U CN214141496 U CN 214141496U CN 202023066291 U CN202023066291 U CN 202023066291U CN 214141496 U CN214141496 U CN 214141496U
- Authority
- CN
- China
- Prior art keywords
- chain
- connecting rod
- tensioning
- hook
- hydraulic
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Load-Engaging Elements For Cranes (AREA)
Abstract
A light hydraulic chain tensioning device belongs to the field of mining equipment and can solve the problems of high labor intensity and potential safety hazard of the existing method for cutting a small sliding chain, and comprises a hydraulic jack and a tensioning chain, tensioning arms are arranged at the upper end and the lower end of the hydraulic jack and are perpendicular to the hydraulic jack, two ends of the hydraulic jack are connected with the tensioning arms through connecting pins, two ends of the tensioning arms are provided with chain connecting lugs, hooks are arranged on the chain connecting lugs, one end of the tensioning chain is connected with the chain connecting lugs, the other end of the tensioning chain is provided with a pressure hook, the connecting pins comprise a connecting rod I and a connecting rod II, one end of the connecting rod I is connected with one end of the connecting rod II, the other end of the connecting rod I is provided with a clamping plate, the other end of the connecting rod II is provided with a nut, the diameter of the connecting rod I is larger than that of the connecting rod II, the pressure hook comprises a connecting ring and an annular lifting hook with an opening at one side, one end of the connecting ring is connected with one end of the lifting hook, the center of the connection ring and the open side of the hook are located on both sides of the axis of the hook. The utility model discloses simple structure, convenient to use safety.
Description
Technical Field
The utility model belongs to the technical field of mining equipment, concretely relates to tight chain device of light-duty hydraulic pressure.
Background
In the prior work, when a small slide chain needs to be cut, two methods are provided, namely, one method is that one end of an upper chain machine head is hung on a small slide upper at the small slide machine head, a connecting ring is hung at the moment when the small slide machine head is frequently clicked and has a margin by utilizing the chain, and redundant chains are cut off after screws are fastened; secondly, the small sliding chains are hooked by two ends of the large-tonnage inverted chain, the inverted chain is pulled tightly by a person until enough margin exists, the connecting ring is hooked, and the redundant chain is cut off after the screw is fastened; in the latter, the operation is not easy because the chain block is horizontally placed, the labor intensity is high, and the difficulty in solving the problem once the chain block is midway is high.
Disclosure of Invention
The utility model discloses it is big to current method intensity of labour who cuts little swift current chain, has the problem of potential safety hazard, provides a tight chain device of light-duty hydraulic pressure.
The utility model adopts the following technical scheme:
a light hydraulic chain tensioning device comprises a hydraulic jack and a tensioning chain, wherein tensioning arms are respectively arranged at the upper end and the lower end of the hydraulic jack and are vertical to the hydraulic jack, the two ends of the hydraulic jack are respectively connected with the tensioning arms through connecting pins, chain connecting lugs are respectively arranged at the two ends of the tensioning arms, hooks are respectively arranged on the chain connecting lugs, one end of the tensioning chain is respectively connected with the chain connecting lugs, a pressure hook is respectively arranged at the other end of the tensioning chain, the connecting pin comprises a connecting rod I and a connecting rod II, one end of the connecting rod I is connected with one end of the connecting rod II, the other end of the connecting rod I is provided with a clamping plate, the other end of the connecting rod II is provided with a nut, the diameter of the connecting rod I is larger than that of the connecting rod II, the pressure hook comprises a connecting ring and an annular lifting hook with an opening on one side, one end of the connecting ring is obliquely connected with one end of the lifting hook, and the center of the connecting ring and the opening side of the lifting hook are respectively positioned on two sides of the axis of the lifting hook.
The axis of the hydraulic jack is positioned at the central position of the tensioning arm.
The number of the chain connecting lugs at the two ends of the tensioning arm is two.
The chain connecting lugs are symmetrically arranged relative to the axis of the tensioning arm.
The axis of the connecting rod I and the axis of the connecting rod II are located on the same straight line.
The clamping plate is perpendicular to the connecting rod I.
The outer diameter of cardboard is greater than the outer diameter of connecting rod I.
The utility model has the advantages as follows:
1. the utility model discloses a pressure hook utilizes the axis skew of stress point, can be in the same place the inseparable pressfitting of lifting hook, and the big pressfitting strength of atress is big more, can effectively prevent the danger that the lifting hook drops like this.
2. The utility model discloses a thick going up thin under the connecting pin, thick part is used for fixing engaging lug about with on the hydraulic pressure is very heavy, and thin part is used for hanging the protection chain usefulness, and it is used as a safety protection, can prevent that the broken chain from hindering the people dangerous, convenient operation is reliable.
3. The utility model discloses a convenience is taken to the small chain, does not need special preparation, and the small chain of working face reprint swift current just can use, and pnematic oil pump uses the oil pump of fastening anchor rope can.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a side view of the connection between the hydraulic jack and the tension arm;
fig. 3 is a schematic view of the connection between the tension arm and the link lug of the present invention;
fig. 4 is a schematic view of the connection between the connecting pin and the tensioning arm according to the present invention;
fig. 5 is a schematic structural view of the connecting pin of the present invention;
fig. 6 is a schematic front view of the pressure hook of the present invention;
fig. 7 is a schematic side view of the pressure hook of the present invention;
wherein: 1-hydraulic jack; 2-a zipper; 3-tensioning the arm; 4-linking lug; 5-hooking; 6-connecting rod I; 7-connecting rod II; 8-clamping plate; 9-a screw cap; 10-a connecting ring; 11-hook.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings.
As shown in the figure, the light hydraulic chain tensioning device comprises a hydraulic jack 1 and a tensioning chain 2, wherein the upper end and the lower end of the hydraulic jack 1 are respectively provided with a tensioning arm 3, the tensioning arm 3 is perpendicular to the hydraulic jack 1, the two ends of the hydraulic jack 1 are respectively connected with the tensioning arm 3 through connecting pins, the two ends of the tensioning arm 3 are respectively provided with a chain connecting lug 4, the chain connecting lugs 4 are respectively provided with a hook 5, one end of the tensioning chain 2 is respectively connected with the chain connecting lugs 4, the other end of the tensioning chain is respectively provided with a pressure hook, the connecting pins comprise a connecting rod I6 and a connecting rod II 7, one end of the connecting rod I6 is connected with one end of the connecting rod II 7, the other end of the connecting rod I6 is provided with a clamping plate 8, the other end of the connecting rod II 7 is provided with a nut 9, the diameter of the connecting rod I6 is larger than that of the connecting rod II 7, the pressure hook comprises a connecting ring 10 and an annular lifting hook 11 with an opening at one side, and one end of the connecting ring 10 is obliquely connected with one end of the lifting hook 11, the center of the connection ring 10 and the open side of the hook 11 are located on both sides of the axis of the hook 11, respectively.
The axis of the hydraulic jack 1 is located at the center of the tensioning arm 3.
The number of the chain lugs 4 at the two ends of the tensioning arm 3 is two.
The chain link lugs 4 are symmetrically arranged relative to the axis of the tensioning arm 3.
The axis of the connecting rod I6 and the axis of the connecting rod II 7 are located on the same straight line.
The clamping plate 8 is perpendicular to the connecting rod I6.
The outer diameter of the clamping plate 8 is larger than that of the connecting rod I6.
Wherein, the hydraulic jack is an oil jack, the extension amount of the hydraulic jack is 40cm, and the chain cutting requirement is met. The pressure hook utilizes the axis skew of stress point, can be in the same place the inseparable pressfitting of lifting hook, and the big pressfitting strength of atress is big more, can effectively prevent the danger that the lifting hook drops like this.
The hooks on the chain connecting lugs are used for hanging small chains, two pairs of symmetrical hooks are used for adapting to different transfer slips, and after the small chains are threaded on the hooks, the screw pins are inserted and screwed down, so that the small chains are prevented from loosening by the screw pins.
The connecting pin is thick at the lower part and thin at the upper part, the thick part is used for fixing the upper connecting lug sleeve and the lower connecting lug sleeve on the hydraulic jack, and the thin part is used for hanging a protective chain and is used for safety protection.
The utility model discloses a use method as follows:
when the chain needs to be cut, an oil cylinder of a hydraulic jack extends to the maximum position, four zippers are connected to the small sliding chain respectively, the stress is kept uniform, after the chain is determined to be intact, one person operates the oil pump beside the chain, one person observes the conditions of the oil cylinder and the chain at the small sliding side, the oil pump is stopped after the required allowance is reached, the protective chain is hung, the number of the connecting rings is determined to be cut off according to actual needs, the connecting rings are added to the small chain, the redundant chain is cut off after fastening screws, and the oil pump is operated to extend out of the oil cylinder to break out and take off the device.
Claims (7)
1. The utility model provides a tight chain device of light-duty hydraulic pressure which characterized in that: the hydraulic tensioning device comprises a hydraulic jack (1) and a tensioning chain (2), wherein the upper end and the lower end of the hydraulic jack (1) are respectively provided with a tensioning arm (3), the tensioning arm (3) is vertical to the hydraulic jack (1), the two ends of the hydraulic jack (1) are respectively connected with the tensioning arm (3) through connecting pins, the two ends of the tensioning arm (3) are respectively provided with a chain connecting lug (4), the chain connecting lugs (4) are respectively provided with a hook (5), one end of the tensioning chain (2) is respectively connected with the chain connecting lugs (4), the other end of the tensioning chain (2) is respectively provided with a pressure hook, the connecting pins comprise a connecting rod I (6) and a connecting rod II (7), one end of the connecting rod I (6) is connected with one end of the connecting rod II (7), the other end of the connecting rod I (6) is provided with a clamping plate (8), the other end of the connecting rod II (7) is provided with a nut (9), the diameter of the connecting rod I (6) is larger than that of the connecting rod II (7), the pressure hook comprises a connecting ring (10) and an annular lifting hook (11) with an opening on one side, one end of the connecting ring (10) is obliquely connected with one end of the lifting hook (11), and the center of the connecting ring (10) and the opening side of the lifting hook (11) are respectively positioned on two sides of the axis of the lifting hook (11).
2. A lightweight hydraulic chain tensioner as claimed in claim 1, wherein: the axis of the hydraulic jack (1) is positioned at the central position of the tensioning arm (3).
3. A lightweight hydraulic chain tensioner as claimed in claim 2, wherein: the number of the chain connecting lugs (4) at the two ends of the tensioning arm (3) is two.
4. A lightweight hydraulic chain tensioner as claimed in claim 3, wherein: the chain connecting lugs (4) are symmetrically arranged relative to the axis of the tensioning arm (3).
5. The lightweight hydraulic chain tensioner as set forth in claim 4, wherein: the axis of the connecting rod I (6) and the axis of the connecting rod II (7) are located on the same straight line.
6. A lightweight hydraulic chain tensioner according to claim 5, characterized in that: the clamping plate (8) is perpendicular to the connecting rod I (6).
7. The lightweight hydraulic chain tensioner as set forth in claim 6, wherein: the outer diameter of the clamping plate (8) is larger than that of the connecting rod I (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023066291.4U CN214141496U (en) | 2020-12-18 | 2020-12-18 | Light hydraulic chain tightening device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023066291.4U CN214141496U (en) | 2020-12-18 | 2020-12-18 | Light hydraulic chain tightening device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214141496U true CN214141496U (en) | 2021-09-07 |
Family
ID=77588349
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023066291.4U Active CN214141496U (en) | 2020-12-18 | 2020-12-18 | Light hydraulic chain tightening device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214141496U (en) |
-
2020
- 2020-12-18 CN CN202023066291.4U patent/CN214141496U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106927331B (en) | Speed-limiting anti-falling device for elevator transformation | |
| CN214141496U (en) | Light hydraulic chain tightening device | |
| CN112723150A (en) | Stub bar anchor clamps | |
| CN214988122U (en) | Chain tightening device of scraper conveyor | |
| CN205422583U (en) | Lifting hook, hang assembly and hang hoisting accessory | |
| CN211169494U (en) | Prestress steel plate antiskid device | |
| CN108581931B (en) | Large-scale mining hydraulic support round pin axle dismounting device | |
| CN212924093U (en) | Hoisting fixing device | |
| CN211223411U (en) | Improved structure of mining ropeway rope clip | |
| CN210621617U (en) | 360-degree rotation and automatic chain-off lifting appliance for breakwater armor block | |
| CN218887582U (en) | Easily hang earth clamp of tearing open | |
| CN208561425U (en) | A kind of anti-rotational durable wirerope hook | |
| CN213627477U (en) | Rope hanger fishing device | |
| CN211377389U (en) | Overhead ground wire hoisting device for high-voltage transmission line | |
| CN202246912U (en) | Anode disengaging claw hook for electrolytic tank | |
| CN219365969U (en) | Multiple protection mechanism for sucker rod elevator | |
| CN203699681U (en) | Remote-control hydraulic type scrap iron gripper | |
| CN110733967A (en) | rolling mill support roller replacing device | |
| CN211366690U (en) | High-altitude self-unloading type steel sheet pile lifting appliance | |
| CN214269937U (en) | Stub bar anchor clamps | |
| CN214055111U (en) | Connecting rod dismounting device for oil pumping unit | |
| CN217732407U (en) | Multi-bolt hoisting tool for cylinder | |
| CN209364522U (en) | A kind of generator upper spider jack sleeve dial-out utility | |
| CN203474251U (en) | Crane suspension hook anti-falloff locking plate device | |
| CN220600349U (en) | Steel wire rope and wedge-shaped joint mounting tool for crane |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |