CN206477868U - A kind of mechanical constant-resistance individual prop pre-tightening apparatus - Google Patents
A kind of mechanical constant-resistance individual prop pre-tightening apparatus Download PDFInfo
- Publication number
- CN206477868U CN206477868U CN201621182378.9U CN201621182378U CN206477868U CN 206477868 U CN206477868 U CN 206477868U CN 201621182378 U CN201621182378 U CN 201621182378U CN 206477868 U CN206477868 U CN 206477868U
- Authority
- CN
- China
- Prior art keywords
- screw rod
- expansion bracket
- cylindrical collar
- rhombus expansion
- individual prop
- 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.)
- Expired - Fee Related
Links
Landscapes
- Manufacturing Of Tubular Articles Or Embedded Moulded Articles (AREA)
Abstract
The utility model discloses a kind of mechanical constant-resistance individual prop pre-tightening apparatus, including rhombus expansion bracket, screw rod, the first cylindrical collar and the second cylindrical collar, screw rod is connected with two relative drift angles of rhombus expansion bracket, the end of screw rod is fixedly connected with the drift angle of rhombus expansion bracket, the termination of screw rod passes through another drift angle of rhombus expansion bracket, and the edge of two relative drift angles of residue of rhombus expansion bracket by connecting rod respectively with the first cylindrical collar and the second cylindrical collar is fixedly connected；Screw rod and its on rhombus expansion bracket through drift angle be threaded.The utility model is that constant-resistance individual prop applies prestressing force, apply power by rotary handle and screw rod, the distance between rhombus expansion bracket angle steel joint is increased or is reduced, so that the increase of the distance between two cylindrical collars or reducing, reach and prestressed purpose is applied to constant-resistance individual prop.And the apparatus structure is simple, and easy to operate, using effect is good, with wide applicability.
Description
Technical field
The utility model is related to technical field of engineering machinery, more particularly to a kind of mechanical constant-resistance individual prop pretension dress
Put.
Background technology
Prestressing force individual prop is widely used in engineering field, currently used for the individual prop prestressing force of coal mine support
It is universal relatively low, and device is more complicated, and stability is poor, and for metal friction pillar, there is application prestressing force difficulty etc.
Problem.
Therefore, according to the present situation of current support apparatus, reform is carried out to the monomer support apparatus used significant.
Utility model content
The purpose of this utility model is to provide a kind of mechanical constant-resistance individual prop pre-tightening apparatus, to solve above-mentioned existing skill
The problem of art is present so that the device can either reach applies prestressed purpose to individual prop, and structure letter can be realized again
Single, easy to operate effect, and with wide applicability.
To achieve the above object, the utility model provides following scheme：
The utility model provides a kind of mechanical constant-resistance individual prop pre-tightening apparatus, including rhombus expansion bracket, screw rod, the
One cylindrical collar and the second cylindrical collar, the screw rod are connected with two relative drift angles of the rhombus expansion bracket, institute
The end for stating screw rod is fixedly connected with the drift angle of the rhombus expansion bracket, and the termination of the screw rod is flexible through the rhombus
Another drift angle of frame, two relative drift angles of residue of the rhombus expansion bracket by connecting rod respectively with first cylindrical sleeve
Ring is fixedly connected with the edge of second cylindrical collar；The drift angle that the screw rod is passed through with it on the rhombus expansion bracket
Between be threaded.
Optionally, the rhombus expansion bracket is rotated by four rod member head and the tail and is formed by connecting.
Optionally, the termination of the screw rod is fixedly connected with a rotary handle.
Optionally, the termination of the screw rod is provided with two apertures, and the rotary handle is inserted in described two apertures
It is fixed with the screw rod.
Optionally, the axis in described two apertures is mutually perpendicular to.
Optionally, first cylindrical collar is folding jacket ring, and side is fixedly connected by rotating shaft, and opposite side is provided with
First pin-and-hole, the connection by the first latch and first pin-and-hole controlled with separating first cylindrical collar closure and
Open.
Optionally, second cylindrical collar is folding jacket ring, and side is fixedly connected by rotating shaft, and opposite side is provided with
Second pin-and-hole, the connection by the second latch and second pin-and-hole controlled with separating second cylindrical collar closure and
Open.
For above-mentioned mechanical constant-resistance individual prop pre-tightening apparatus, its application method comprises the following steps：
When applying prestressing force, rotary handle is rotated, increases length of the screw rod between rhombus expansion bracket two-phase vertical angles
Plus, so that the distance between the first cylindrical collar and second cylindrical collar reduce；
The first latch and the second latch are removed, first cylindrical collar is in second cylindrical collar and opens shape
State；
Two leaves of first cylindrical collar and second cylindrical collar are entangled to the top of individual prop respectively with
Portion's cylinder body；
First latch and second latch are inserted in the first pin-and-hole and the second pin-and-hole respectively again, by described first
Cylindrical collar is closed and locked with second cylindrical collar；
The rotary handle is rotated backward, makes length of the screw rod between the two-phase vertical angles of the rhombus expansion bracket
Degree reduces, so that the increase of the distance between first cylindrical collar and described second cylindrical collar, by two cylindrical collars
The individual prop cylinder body of close obvolvent rises, and individual prop has certain prestressing force.
The utility model achieves following technique effect relative to prior art：
The utility model utilization can apply prestressing force for individual prop, apply power by rotary handle and screw rod, make
The distance between rhombus expansion bracket angle steel joint increases or reduced, so that the increase of the distance between two cylindrical collars or reduce,
Reach and prestressed purpose is applied to individual prop；And the apparatus structure is simple, and easy to operate, using effect is good, with wide
General practicality.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
In required for the accompanying drawing that uses be briefly described, it should be apparent that, drawings in the following description are only of the present utility model
Some embodiments, for those of ordinary skill in the art, without having to pay creative labor, can also basis
These accompanying drawings obtain other accompanying drawings.
Fig. 1 is the overall structure diagram of pre-tightening apparatus in the utility model；
Wherein, 1 rotary handle；2 screw rods；3 rhombus expansion brackets；4 first cylindrical collars；5 first latches；6 second cylinders
The collar；7 second latches；8 first pin-and-holes；9 second pin-and-holes；10 apertures.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belongs to the scope of the utility model protection.
The purpose of this utility model is to provide a kind of mechanical constant-resistance individual prop pre-tightening apparatus, to solve above-mentioned existing skill
The problem of art is present so that the device can either reach applies prestressed purpose to individual prop, and structure letter can be realized again
Single, easy to operate effect, and with wide applicability.
A kind of mechanical constant-resistance individual prop pre-tightening apparatus in the utility model, including rhombus expansion bracket, screw rod,
One cylindrical collar and the second cylindrical collar, screw rod are connected with two relative drift angles of rhombus expansion bracket, the end of screw rod
End is fixedly connected with the drift angle of rhombus expansion bracket, and the termination of screw rod passes through another drift angle of rhombus expansion bracket, rhombus expansion bracket
Edge of the two relative drift angles of residue by connecting rod respectively with the first cylindrical collar and the second cylindrical collar be fixedly connected；
Screw rod and its on rhombus expansion bracket through drift angle be threaded.
The utility model also provides a kind of mechanical constant-resistance individual prop pre-tension method, comprises the following steps：
(1) when needing to apply prestressing force, the length between the vertical angles point of rhombus expansion bracket two where screw rod makes it is rotated
Degree increase, so that the distance between the first cylindrical collar and the second cylindrical collar reduce；
(2) the first cylindrical collar and the second cylindrical collar are opened；
(3) two leaves of the first cylindrical collar and the second cylindrical collar are entangled to top and the bottom cylinder of individual prop respectively
Body；
(4) the first cylindrical collar and the second cylindrical collar are closed, and two cylindrical collars progress closures are locked, so that the
One cylindrical collar and the second cylindrical collar have just closely embraced the upper lower cylinder body of individual prop；
(5) length that rotating backward screw rod makes it between the two-phase vertical angles of rhombus expansion bracket reduces, so that the
The distance between one cylindrical collar and the second cylindrical collar increase, by the individual prop cylinder body of two close obvolvents of cylindrical collar
Rise, individual prop has certain prestressing force.
To enable above-mentioned purpose of the present utility model, feature and advantage more obvious understandable, below in conjunction with the accompanying drawings and tool
Body embodiment is described in further detail to the utility model.
Fig. 1 is refer to, wherein, Fig. 1 is the overall structure diagram of pre-tightening apparatus in the utility model.
As shown in figure 1, a kind of mechanical constant-resistance individual prop pre-tightening apparatus of the present embodiment offer, including rhombus expansion bracket 3,
Screw rod 2, the first cylindrical collar 4 and the second cylindrical collar 6, screw rod 2 are connected with two relative drift angles of rhombus expansion bracket 3
Connect, the end of screw rod 2 is fixedly connected with the drift angle of rhombus expansion bracket 3, the termination of screw rod 2 passes through the another of rhombus expansion bracket 3
One drift angle, two relative drift angles of residue of rhombus expansion bracket 3 by connecting rod respectively with the first cylindrical collar 4 and the second cylinder
The edge of the collar 6 is fixedly connected；Screw rod 2 and its on rhombus expansion bracket 3 through drift angle be threaded.
Rhombus expansion bracket 3 is rotated by four rod member head and the tail and is formed by connecting.
The termination of screw rod 2 is fixedly connected with a rotary handle 1, and the termination of screw rod 2 is provided with two apertures 10, rotation
Handle 1 is inserted to be fixed in two apertures 10 with screw rod 2, and operating personnel drive screw rod 2 by rotating rotary handle 1
Motion；The axis in wherein two apertures 10 of the termination of screw rod 2 is mutually perpendicular to, and facilitates the insertion of rotary handle 1.
First cylindrical collar 4 is folding jacket ring, and side is fixedly connected by rotating shaft, and opposite side is provided with the first pin-and-hole 8,
The closure of first cylindrical collar 4 is controlled with opening with separating with the connection of the first pin-and-hole 8 by the first latch 5.
Second cylindrical collar 6 is folding jacket ring, and side is fixedly connected by rotating shaft, and opposite side is provided with the second pin-and-hole 9,
The closure of second cylindrical collar 6 is controlled with opening with separating with the connection of the second pin-and-hole 9 by the second latch 7.
For above-mentioned mechanical constant-resistance individual prop pre-tightening apparatus, its application method comprises the following steps：
(1) when needing to apply prestressing force, rotary handle 1 is rotated, makes screw rod 2 in 3 liang of vertical angles points of rhombus expansion bracket
Between length increase so that the distance between the first cylindrical collar 4 and the second cylindrical collar 6 reduce；
(2) the first latch 5 and the second latch 7 are removed, the first cylindrical collar 4 and the second cylindrical collar 6 is in and opens shape
State；
(3) two leaves of the first cylindrical collar 4 and the second cylindrical collar 6 are entangled to top and the bottom cylinder of individual prop respectively
Body；
(4) the first cylindrical collar 4 and the second cylindrical collar 6 are closed, the first latch 5 is inserted respectively again with the second latch 7
In first pin-and-hole 8 and the second pin-and-hole 9, the first cylindrical collar 4 is closed and locked with the second cylindrical collar 6, so that the first cylinder
The cylindrical collar 6 of the collar 4 and second has just closely embraced the upper lower cylinder body of individual prop；
(5) rotary handle 1 is rotated backward, subtracts length of the screw rod 2 between the two-phase vertical angles of rhombus expansion bracket 3
It is small, so that the distance between the first cylindrical collar 4 and the second cylindrical collar 6 increase, by two close obvolvents of cylindrical collar
Individual prop cylinder body rises, and individual prop has certain prestressing force.
Apply specific case in the utility model to be set forth principle of the present utility model and embodiment, the above
The explanation of embodiment is only intended to help and understands method of the present utility model and its core concept；Simultaneously for the one of this area
As technical staff, according to thought of the present utility model, will change in specific embodiments and applications.To sum up
Described, this specification content should not be construed as to limitation of the present utility model.
Claims (7)
1. a kind of mechanical constant-resistance individual prop pre-tightening apparatus, it is characterised in that：Including rhombus expansion bracket, screw rod, the first circle
Column sleeve ring and the second cylindrical collar, the screw rod are connected with two relative drift angles of the rhombus expansion bracket, the spiral shell
The end of swing arm is fixedly connected with the drift angle of the rhombus expansion bracket, and the termination of the screw rod passes through the rhombus expansion bracket
Another drift angle, two relative drift angles of residue of the rhombus expansion bracket by connecting rod respectively with first cylindrical collar and
The edge of second cylindrical collar is fixedly connected；The screw rod and its on the rhombus expansion bracket through drift angle
It is threaded.
2. a kind of mechanical constant-resistance individual prop pre-tightening apparatus according to claim 1, it is characterised in that：The rhombus is stretched
Contracting frame is rotated by four rod member head and the tail and is formed by connecting.
3. a kind of mechanical constant-resistance individual prop pre-tightening apparatus according to claim 1, it is characterised in that：The screw rod
Termination be fixedly connected with a rotary handle.
4. a kind of mechanical constant-resistance individual prop pre-tightening apparatus according to claim 3, it is characterised in that：The screw rod
Termination be provided with two apertures, the rotary handle is inserted to be fixed in described two apertures with the screw rod.
5. a kind of mechanical constant-resistance individual prop pre-tightening apparatus according to claim 4, it is characterised in that：Described two holes
The axis of mouth is mutually perpendicular to.
6. a kind of mechanical constant-resistance individual prop pre-tightening apparatus according to claim 1, it is characterised in that：First circle
Column sleeve ring is folding jacket ring, and side is fixedly connected by rotating shaft, and opposite side is provided with the first pin-and-hole, passes through the first latch and institute
The connection for stating the first pin-and-hole controls the closure of first cylindrical collar with opening with separating.
7. a kind of mechanical constant-resistance individual prop pre-tightening apparatus according to claim 1, it is characterised in that：Second circle
Column sleeve ring is folding jacket ring, and side is fixedly connected by rotating shaft, and opposite side is provided with the second pin-and-hole, passes through the second latch and institute
The connection for stating the second pin-and-hole controls the closure of second cylindrical collar with opening with separating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621182378.9U CN206477868U (en) | 2016-11-03 | 2016-11-03 | A kind of mechanical constant-resistance individual prop pre-tightening apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621182378.9U CN206477868U (en) | 2016-11-03 | 2016-11-03 | A kind of mechanical constant-resistance individual prop pre-tightening apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206477868U true CN206477868U (en) | 2017-09-08 |
Family
ID=59755478
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621182378.9U Expired - Fee Related CN206477868U (en) | 2016-11-03 | 2016-11-03 | A kind of mechanical constant-resistance individual prop pre-tightening apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206477868U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106368724A (en) * | 2016-11-03 | 2017-02-01 | 中国矿业大学 | Mechanical constant-resistance single prop pre-tightening device and method |
| WO2020211107A1 (en) * | 2019-04-18 | 2020-10-22 | 东北大学 | Artificial ore pillar for underground support and construction method therefor |
-
2016
- 2016-11-03 CN CN201621182378.9U patent/CN206477868U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106368724A (en) * | 2016-11-03 | 2017-02-01 | 中国矿业大学 | Mechanical constant-resistance single prop pre-tightening device and method |
| WO2020211107A1 (en) * | 2019-04-18 | 2020-10-22 | 东北大学 | Artificial ore pillar for underground support and construction method therefor |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206477868U (en) | A kind of mechanical constant-resistance individual prop pre-tightening apparatus | |
| CN205010815U (en) | Novel quick -opening manhole device | |
| CN106911300A (en) | A kind of collapsible photovoltaic power generation apparatus of stabilized structure | |
| CN106368724A (en) | Mechanical constant-resistance single prop pre-tightening device and method | |
| CN207877212U (en) | Well cover opening device | |
| CN105257003B (en) | A kind of frock tool and its application method of quick fixed grout sleeve | |
| CN206972908U (en) | A kind of horizontal quick-opening device | |
| CN206972711U (en) | A kind of stay-bolt | |
| CN215104745U (en) | Scaffold positioning device with clamping type clamp | |
| CN207158644U (en) | A kind of large cylindrical steel ingot stack device | |
| CN108716372B (en) | Clamp mechanism with reversible clamp arm | |
| CN206105896U (en) | Intelligent production line machinery manual control system | |
| CN109138590A (en) | A kind of Moveable foldable awning | |
| CN207841988U (en) | Rotary disc type rubber injector clamping | |
| CN205676012U (en) | A kind of electric rotary-type suspender | |
| CN218398859U (en) | Outer wall perforating device of building for building engineering | |
| CN206855377U (en) | Hammer that is a kind of detachable and changing torque arm length | |
| CN113216874A (en) | Multifunctional pipe processing structure and device | |
| CN207343519U (en) | A kind of simple swan neck system | |
| CN207090781U (en) | A kind of suspender of adjustable center of gravity | |
| CN201495774U (en) | Variable cross-section angle mould | |
| CN205869806U (en) | From locking clamp clamping mechanism | |
| CN205260514U (en) | A folding device for garden instrument | |
| CN214658865U (en) | Building engineering construction template fastener | |
| CN205435549U (en) | Mix medicine structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170908 Termination date: 20171103 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |