CN209553344U - A kind of walking tensioning device of continuous milling machine - Google Patents
A kind of walking tensioning device of continuous milling machine Download PDFInfo
- Publication number
- CN209553344U CN209553344U CN201920136068.0U CN201920136068U CN209553344U CN 209553344 U CN209553344 U CN 209553344U CN 201920136068 U CN201920136068 U CN 201920136068U CN 209553344 U CN209553344 U CN 209553344U
- Authority
- CN
- China
- Prior art keywords
- tensioner
- sliding rail
- tensioning device
- hole
- cylinder
- 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
Landscapes
- Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)
Abstract
The utility model discloses a kind of walking tensioning devices of continuous milling machine, including track frame, the track frame tail end is equipped with caterpillar chain tensioning device, the caterpillar chain tensioning device includes turgor cylinder, sliding rail and expansion tightening wheel, the sliding rail is inverse u shape of the opening towards caterpillar chain, the turgor cylinder cylinder body is slidably connected in sliding rail, the sliding rail is fixedly connected in track frame, turgor cylinder cylinder body tail portion is rotatably connected to tension wheel shaft, the tension wheel shaft both ends are fixedly connected with expansion tightening wheel, when work, the turgor cylinder piston rod free end is held out against after sliding rail inner bottom surface contacts caterpillar chain with expansion tightening wheel in tensioner state.
Description
Technical field
The utility model relates to a kind of continuous miner, in particular to the walking tensioning device of a kind of continuous milling machine.
Background technique
It adopts coalcutter with high-power company constantly to promote the use of, modern long-armed fully mechanized mining especially high-yield and high-efficiency fully mechanized mining develops to
In the new stage, it is higher and higher to be mainly reflected in stope fltting speed, proposes more to the continuous miner speed of travel
High requirement.The caterpillar chain in crawler-type traveling portion when in use can component be elongated, so the adjustment of the track tensioning of running part
Problem just becomes the problem more and more prominent of the limiting device speed of travel and normal use.
Installing hydraulic storage fuel tank additional currently with the interior space of track frame has been that continuous milling machine increases hydraulic oil amount of storage
Common technology means, and the Caterpillar belt tightening device of the running part of continuous milling machine extractive equipment currently on the market be mostly walk tensioner
Oil cylinder, tensioning wheel carrier bracker, the connection of expansion tightening wheel tandem, i.e. these parts all on one wire, due to reasons in structure turgor cylinder and
Larger space needed for being tensioned wheel carrier bracker, such structure can occupy the space of the nearly half of track frame, so as to cause making fuel tank empty
Between it is too small, capacity needed for hydraulic system is not achieved can make cooler pressure easy to damage greatly in this way, and the temperature rise of hydraulic oil is too fast,
Meeting is so that the too fast aging of parts, failure such as sealing ring in hydraulic system.
Utility model content
The main purpose of the utility model is to provide a kind of walking tensioning devices of continuous milling machine, by setting in track frame
There is sliding rail, turgor cylinder cylinder body is slidably connected in sliding rail, expansion tightening wheel support in the prior art is eliminated by structure change
Expansion tightening wheel is rotatablely installed by shaft and in the cylinder body tail portion of turgor cylinder expansion tightening wheel and turgor cylinder cylinder body is had centainly by frame
Intersection save tensioning device to effectively reduce the length of tensioning device and taken up space.
To achieve the above object, the technical solution that the utility model is taken are as follows:
A kind of walking tensioning device of continuous milling machine, including track frame, the track frame tail end are equipped with caterpillar chain tensioning device,
The caterpillar chain tensioning device includes turgor cylinder, sliding rail and expansion tightening wheel, and the sliding rail is inverted " u " of the opening towards caterpillar chain
Type, the turgor cylinder cylinder body are slidably connected in sliding rail, and the sliding rail is fixedly connected in track frame, the turgor cylinder cylinder
Body tail portion is rotatably connected to tension wheel shaft, and the tension wheel shaft both ends are fixedly connected with expansion tightening wheel, when work, the turgor cylinder
Piston rod free end is held out against after sliding rail inner bottom surface contacts caterpillar chain with expansion tightening wheel in tensioner state.
Further, upper and lower surfaces are respectively fixed with along sliding rail length direction setting limit raised line, institute on the inside of the sliding rail
The sliding slot for being fixedly connected on turgor cylinder cylinder body and matching with limit raised line is stated, the limit raised line is plugged in the sliding slot
It is interior.
Further, turgor cylinder cylinder body tail portion is fixedly connected with link block, and the link block is equipped with axis hole, institute
State axis hole both ends be equipped with the matched bearing of tension wheel shaft, the tension wheel shaft pass through bearing after be rotationally connected with axis hole.
Further, the turgor cylinder upper cover of piston rod is connected at least one tensioner backing plate, sets on the tensioner backing plate
Free end holds out against sliding rail inner bottom surface after having through-hole A, the turgor cylinder piston rod to pass through through-hole A.
Further, the turgor cylinder piston rod free end is fixedly connected with kidney-shaped withstanding tight block, the kidney-shaped withstanding tight block
Length is less than turgor cylinder diameter of piston rod, is fixed with tensioner jam plate on the kidney-shaped withstanding tight block, the tensioner jam plate passes through spiral shell
The through-hole B rear thread that bolt passes through on tensioner jam plate is fixedly connected on track frame.
Further, described to be equipped with limit hole, the limit positioned at the position that sliding rail inner bottom surface and kidney-shaped withstanding tight block are held out against
Bore dia is more than or equal to kidney-shaped and holds out against block length, and the kidney-shaped withstanding tight block thickness is more than or equal to tensioner jam plate thickness and limit hole depth
The sum of degree.
Further, the tensioner backing plate is equipped with the notch A of connection through-hole A, and the notch A width is more than or equal to kidney-shaped
The width of withstanding tight block.
Further, the tensioner backing plate is equipped with pin hole B, and the pin hole B is set to one of tensioner backing plate far from notch A
Side.
Further, the tensioner jam plate includes connecting plate and the barrier plate for being fixedly connected on one end of the connection board, described
Barrier plate is equipped with the slot of same size of width and kidney-shaped withstanding tight block, and the through-hole B is set on connecting plate.
Further, the connecting plate free end is fixedly connected with fixed block, and the fixed block is equipped with towards track frame
The threaded hole C of outside setting.
One or more technical solutions provided in the embodiments of the present application have at least the following technical effects or advantages:
One, the utility model is by being rotationally connected with turgor cylinder cylinder body tail portion for tension wheel shaft, then expansion tightening wheel is fixed
Be connected to the end of tension wheel shaft, without using tensioner wheel carrier bracker, effectively reduce the entire length of tensioning device, by
Track frame tail end is fixedly connected with opening towards the inverse u shape sliding rail on the inside of caterpillar chain, and turgor cylinder cylinder body is slidably connected to cunning
In rail, when work, held out against after sliding rail inner bottom surface contacts caterpillar chain with expansion tightening wheel by turgor cylinder piston rod free end
In tensioner state, it is also ensured that turgor cylinder cylinder body will not be in the process of running while sliding rail and turgor cylinder cylinder body slide
It rotates, expansion tightening wheel is avoided to deviate caterpillar chain.
Two, the utility model by the inside of sliding rail upper and lower surfaces be respectively fixed with along sliding rail length direction be arranged limit
Raised line, and the sliding slot to match with limit raised line is fixedly connected on turgor cylinder cylinder body, limit raised line is plugged in described
In sliding slot, it is more efficiently avoid in use turgor cylinder swing.
Three, the utility model is equipped with axis by being fixedly connected with link block in turgor cylinder cylinder body tail portion on link block
Hole, the axis hole both ends, which are equipped with, is rotationally connected with axis after passing through bearing with the matched bearing of tension wheel shaft, the tension wheel shaft
Hole, the length of link block can be far smaller than the length of tensioner wheel carrier bracker, so that available space becomes larger in track frame.
Four, for the utility model by being connected at least one tensioner backing plate in turgor cylinder upper cover of piston rod, turgor cylinder is living
Free end holds out against sliding rail inner bottom surface after stopper rod passes through through-hole A, can make the oil pressure in turgor cylinder by the way that tensioner backing plate is arranged
Without being constantly in state of pressure keeping.
Five, the utility model is by being fixedly connected with kidney-shaped withstanding tight block, the kidney-shaped in turgor cylinder piston rod free end
Block length is held out against less than turgor cylinder diameter of piston rod, turgor cylinder piston rod free end end is equipped with tensioner jam plate, institute
It states tensioner jam plate and track frame is fixedly connected on by through-hole B rear thread of the bolt on tensioner jam plate, pass through setting tensioner and lock
Plate locks the kidney-shaped withstanding tight block of turgor cylinder piston rod free end, and tensioner jam plate is fixed by bolts on track frame can be with
Effectively prevent the piston rod of turgor cylinder from rotating when holding out against.
Six, the utility model is by being equipped with limit hole, institute positioned at the position that sliding rail inner bottom surface and kidney-shaped withstanding tight block are held out against
It states limit bore dia and holds out against block length more than or equal to kidney-shaped, the kidney-shaped withstanding tight block thickness is more than or equal to tensioner jam plate thickness and limit
The problem of the sum of position hole depth, setting limit hole can swing to avoid turgor cylinder in tensioner.
Seven, the utility model by tensioner backing plate be equipped with connection through-hole A notch A, the notch A width be greater than etc.
In the width of kidney-shaped withstanding tight block, it is logical by being again inserted in piston rod after notch A insertion kidney-shaped withstanding tight block that tensioner backing plate may be implemented
In the A of hole.
Eight, the utility model is set to tensioner backing plate far from scarce by being equipped with pin hole B, the pin hole B on tensioner backing plate
The side of mouth A, it is ensured that when being inserted into muti-piece tensioner backing plate, pin hole B can be passed through by pin shaft between all tensioner backing plates
All tensioner backing plates are fixed, thus prevent when in use tensioner backing plate fall off from telescopic rod loss.
Nine, the utility model is by including connecting plate and the blocking for being fixedly connected on one end of the connection board in tensioner jam plate
Plate, the barrier plate be equipped with width and kidney-shaped withstanding tight block slot of same size, thus realize tensioner jam plate with track frame
The rotation of telescopic rod is limited while being bolted.
Ten, for the utility model by being fixedly connected with fixed block in connecting plate free end, the fixed block is equipped with direction
The threaded hole C being arranged on the outside of track frame, bolt can be installed on threaded hole C, quickly extracts tensioner jam plate from sliding rail.
Detailed description of the invention
Fig. 1 is the utility model using state structure diagram；
Fig. 2 is the utility model part configuration schematic diagram；
Fig. 3 is the housing structure schematic diagram of turgor cylinder；
Fig. 4 is the utility model section structural schematic diagram；
Fig. 5 is that turgor cylinder connects structural schematic diagram after expansion tightening wheel；
Fig. 6 is tensioner backing structure schematic diagram；
Fig. 7 is tensioner locking plate structure schematic diagram.
Icon: 100- track frame；210- turgor cylinder；220- sliding rail；211- tension wheel shaft；212- expansion tightening wheel；221- limit
Position raised line；213- sliding slot；214- link block；215- tensioner backing plate；216- kidney-shaped withstanding tight block；217- tensioner jam plate；2151- through-hole
A；222- limit hole；2152- pin hole B；2153- notch A；2171- through-hole B；2172- connecting plate；2173- barrier plate；2174- is inserted
Slot；2175- fixed block；C2176- threaded hole.
Specific embodiment
The embodiment of the present application solves tensioner in existing tensioning device by providing a kind of walking tensioning device of continuous milling machine
Turgor cylinder cylinder body is slidably connected in sliding rail, passes through by being equipped with sliding rail in track frame by the too long problem of device length
Structure change eliminates tensioner wheel carrier bracker in the prior art, and expansion tightening wheel is rotatablely installed by shaft in the cylinder body of turgor cylinder
Tail portion makes expansion tightening wheel and turgor cylinder cylinder body have certain intersection, to effectively reduce the length of tensioning device, saves
Tensioning device has been saved to be taken up space.
In order to better understand the above technical scheme, in conjunction with appended figures and specific embodiments to upper
It states technical solution to be described in detail, it should be understood that the specific features in the utility model embodiment and embodiment are to this Shen
Please technical solution detailed description, rather than the restriction to technical scheme, in the absence of conflict, the application are real
The technical characteristic applied in example and embodiment can be combined with each other.
As shown in Figure 1, 2, the walking tensioning device of a kind of continuous milling machine, for realizing the tensioner of continuous milling machine traveling crawler chain.
Specifically, including track frame 100,100 tail end of track frame are equipped with caterpillar chain tensioning device, the caterpillar chain
Tensioning device includes turgor cylinder 210, sliding rail 220 and expansion tightening wheel 212, and the sliding rail 220 is opening falling towards caterpillar chain
U-typed, 210 cylinder body of turgor cylinder are slidably connected in sliding rail 220, and the sliding rail 220, which is welded and fixed, is connected to track frame
In 100, the 210 cylinder body tail portion of turgor cylinder is rotatably connected to tension wheel shaft 211, and 211 both ends of tension wheel shaft pass through spiral shell
Bolt is fixedly connected with expansion tightening wheel 212, and when work, 210 piston rod free end of turgor cylinder holds out against 220 inner bottom surface of sliding rail and makes
Caterpillar chain is in tensioner state after contacting with expansion tightening wheel 212.
In the present embodiment, it is provided with by being integrally formed in the 220 inside upper and lower surfaces of sliding rail along sliding rail 220
Length direction setting limit raised line 221, is formed on 210 cylinder body of turgor cylinder and matches with limit raised line 221
, by the way that the limit raised line 221 to be plugged in the sliding slot 213, to guarantee that cylinder block is movable in sliding rail 220
When, can only along limit raised line length direction activity, avoid rise into occur in the process turgor cylinder be detached from sliding rail problem.
As shown in figure 3,210 cylinder body tail portion of turgor cylinder is formed with link block 214, in 214 upper shaft hole of link block,
Shown axis hole is arranged perpendicular to cylinder block direction, and the length that expansion tightening wheel can be made to be overlapped after mounting with turgor cylinder is most
It is short, the further entire length for reducing tensioning device, the axis hole both ends be inlaid with the matched bearing of tension wheel shaft 211,
211 axle body of tension wheel shaft is rotationally connected with axis hole after passing through bearing inner race (with inner ring tight fit).
As a shown in Figure 6, it is connected at least one tensioner backing plate 215 in 210 upper cover of piston rod of turgor cylinder, it is described to rise
Tight backing plate 215 is equipped with through-hole A2151, and free end holds out against sliding rail after 210 piston rod of turgor cylinder passes through through-hole A2151
220 inner bottom surfaces, by be arranged tensioner backing plate 215 can be replaced by tensioner backing plate 215 piston rod of turgor cylinder always by
Power improves the service life of turgor cylinder.
As shown in figure 4,210 piston rod free end of turgor cylinder is fixedly connected with kidney-shaped withstanding tight block 216, the kidney-shaped
216 length of withstanding tight block is less than 210 diameter of piston rod of turgor cylinder, is fixed with tensioner jam plate 217 on the kidney-shaped withstanding tight block 216,
The tensioner jam plate 217 passes through the through-hole B2171 rear thread on tensioner jam plate 217 by bolt and is fixedly connected on track frame 100,
Bolt is carried out with track frame 100 by setting tensioner jam plate 217 to fix, and is lockked and turgor cylinder can be occurred to avoid in use
Piston rod rotation causes the sealing element in turgor cylinder to damage problem.
As shown in Figure 4,5, it is equipped with limit hole 222 positioned at the position that 220 inner bottom surface of sliding rail and kidney-shaped withstanding tight block 216 are held out against,
222 diameter of limit hole is more than or equal to 216 length of kidney-shaped withstanding tight block (for convenience of processing after limit hole 222 in the present embodiment figure
Provided with a fabrication hole, the diameter of the fabrication hole is less than 216 length of kidney-shaped withstanding tight block), 216 thickness of kidney-shaped withstanding tight block is big
In being equal to the sum of 217 thickness of tensioner jam plate and 222 depth of limit hole, setting matching card slot can be convenient insertion kidney-shaped withstanding tight block
216, it prevents its rotation, can be swung in piston rod insertion limit hole 222 to avoid piston rod when use.
As shown in fig. 6, the tensioner backing plate 215 is equipped with the notch A2153, the notch A2153 of connection through-hole A2151
Width is more than or equal to the width of kidney-shaped withstanding tight block 216, is connected to through-hole A2151 by setting notch A2153, convenient to hold out against from kidney-shaped
Tensioner backing plate 215 is inserted in piston rod at block 216.Pin hole B2152, the pin hole B2152 setting are equipped on tensioner backing plate 215
In side of the tensioner backing plate 215 far from notch A2153, when in use by the way that bolt is inserted into fixation in pin hole B2152, can incite somebody to action
Multiple tensioner backing plates 215 carry out connected, avoid occurring tensioner backing plate when in use falling off.
As shown in fig. 7, tensioner jam plate 217 includes connecting plate 2172 and the blocking for being fixedly connected on 2172 one end of connecting plate
Plate 2173, the barrier plate 2173 are equipped with the slot 2174 of same size of width and kidney-shaped withstanding tight block 216, the through-hole
B2171 is set on connecting plate 2172.2172 free end of connecting plate is fixedly connected with fixed block 2175, the fixed block
2175 are equipped with towards the threaded hole C2176 being arranged on the outside of track frame 100, can be convenient by the way that fixed block 2175 is arranged and are using
Tensioner jam plate is extracted after being threadedly coupled afterwards by bolt with threaded hole C2176.
When the present embodiment is in use, by injecting butter (the present embodiment into turgor cylinder (pouring orifice is not labeled)
Middle to use butter turgor cylinder, in general hydraulic cylinder can be used, but hydraulic cylinder there are the needs such as pipeline install compared with
It is inconvenient when for cumbersome installation) so that the piston rod of turgor cylinder stretches out, kidney-shaped withstanding tight block 216 is headed into limit hole 222, when
Turgor cylinder cylinder body starts along limit raised line sliding, so that expansion tightening wheel be driven to rise after piston rod end holds out against 220 inner bottom surface of sliding rail
Tight caterpillar chain, then tensioner backing plate is inserted into rear enclosure upper piston rod from kidney-shaped withstanding tight block, tensioner backing plate to be inserted in is close to kidney-shaped
When withstanding tight block, then by the insertion kidney-shaped withstanding tight block of tensioner jam plate, then it will be consolidated between tensioner jam plate and track frame by bolt
Fixed connection reuses the pin hole B2152 on bolt insertion tensioning backing plate, removes injection device, allows tensioner backing plate and tensioner jam plate
It holds out against turgor cylinder cylinder body and sliding rail bottom surface respectively instead of piston rod, to realize the tensioner effect of turgor cylinder, needs to remove
When, butter can be injected into turgor cylinder again, sliding rail inner bottom surface is held out against using piston rod, threaded hole is bolted
Tensioner jam plate is extracted after C2176, then is extracted bolt out and removed tensioner backing plate one by one.
The basic principles and main features of the present invention and the advantages of the present invention have been shown and described above.Current row
The technical staff of industry is described in above embodiments and description it should be appreciated that the present utility model is not limited to the above embodiments
Only illustrate the principles of the present invention, on the premise of not departing from the spirit and scope of the utility model, the utility model is also
It will have various changes and improvements, these various changes and improvements fall within the scope of the claimed invention.The utility model
Claimed range is defined by the appending claims and its equivalent thereof.
Claims (10)
1. a kind of walking tensioning device of continuous milling machine, including track frame (100), track frame (100) tail end is equipped with caterpillar chain
Tensioning device, it is characterised in that: the caterpillar chain tensioning device includes turgor cylinder (210), sliding rail (220) and expansion tightening wheel
(212), the sliding rail (220) is inverse u shape of the opening towards caterpillar chain, and turgor cylinder (210) cylinder body is slidably connected to
In sliding rail (220), the sliding rail (220) is fixedly connected in track frame (100), and turgor cylinder (210) the cylinder body tail portion turns
Dynamic to be connected with tension wheel shaft (211), tension wheel shaft (211) both ends are fixedly connected with expansion tightening wheel (212), described when work
Turgor cylinder (210) piston rod free end holds out against after sliding rail (220) inner bottom surface contacts caterpillar chain with expansion tightening wheel (212) and is in
Tensioner state.
2. a kind of walking tensioning device of continuous milling machine according to claim 1, it is characterised in that: in the sliding rail (220)
Side upper and lower surfaces, which are respectively fixed with, is arranged limit raised line (221), turgor cylinder (210) cylinder along sliding rail (220) length direction
The sliding slot (213) to match with limit raised line (221) is fixedly connected on body, the limit raised line (221) is plugged in the cunning
In slot (213).
3. a kind of walking tensioning device of continuous milling machine according to claim 1, it is characterised in that: the turgor cylinder
(210) cylinder body tail portion is fixedly connected with link block (214), and the link block (214) is equipped with axis hole, the axis hole both ends installation
Have and is rotationally connected with axis hole after passing through bearing with tension wheel shaft (211) matched bearing, the tension wheel shaft (211).
4. a kind of walking tensioning device of continuous milling machine according to claim 1, it is characterised in that: the turgor cylinder
(210) upper cover of piston rod is connected at least one tensioner backing plate (215), and the tensioner backing plate (215) is equipped with through-hole A(2151),
Across through-hole A(2151), free end holds out against sliding rail (220) inner bottom surface to turgor cylinder (210) piston rod afterwards.
5. a kind of walking tensioning device of continuous milling machine according to claim 4, it is characterised in that: the turgor cylinder
(210) piston rod free end is fixedly connected with kidney-shaped withstanding tight block (216), and kidney-shaped withstanding tight block (216) length is less than tensioner oil
Cylinder (210) diameter of piston rod is fixed with tensioner jam plate (217) on the kidney-shaped withstanding tight block (216), the tensioner jam plate (217)
Passing through bolt and pass through through-hole B(2171 on tensioner jam plate (217)) rear thread is fixedly connected on track frame (100).
6. a kind of walking tensioning device of continuous milling machine according to claim 5, it is characterised in that: be located in sliding rail (220)
The position that bottom surface and kidney-shaped withstanding tight block (216) are held out against is equipped with limit hole (222), and limit hole (222) diameter is more than or equal to waist
Shape withstanding tight block (216) length, kidney-shaped withstanding tight block (216) thickness are more than or equal to tensioner jam plate (217) thickness and limit hole
(222) the sum of depth.
7. a kind of walking tensioning device of continuous milling machine according to claim 5, it is characterised in that: the tensioner backing plate
(215) be equipped with connection through-hole A(2151) notch A(2153), the notch A(2153) width be more than or equal to kidney-shaped withstanding tight block
(216) width.
8. a kind of walking tensioning device of continuous milling machine according to claim 7, it is characterised in that: the tensioner backing plate
(215) it is equipped with pin hole B(2152), the pin hole B(2152) it is set to one of tensioner backing plate (215) far from notch A(2153)
Side.
9. a kind of walking tensioning device of continuous milling machine according to claim 5, it is characterised in that: the tensioner jam plate
It (217) include connecting plate (2172) and the barrier plate (2173) for being fixedly connected on connecting plate (2172) one end, the barrier plate
(2173) slot (2174) of same size of width and kidney-shaped withstanding tight block (216), the through-hole B(2171 are equipped with) company of being set to
On fishplate bar (2172).
10. a kind of walking tensioning device of continuous milling machine according to claim 9, it is characterised in that: the connecting plate
(2172) free end is fixedly connected with fixed block (2175), and the fixed block (2175) is equipped with towards on the outside of track frame (100)
The threaded hole C(2176 of setting).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920136068.0U CN209553344U (en) | 2019-01-27 | 2019-01-27 | A kind of walking tensioning device of continuous milling machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920136068.0U CN209553344U (en) | 2019-01-27 | 2019-01-27 | A kind of walking tensioning device of continuous milling machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209553344U true CN209553344U (en) | 2019-10-29 |
Family
ID=68307707
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920136068.0U Active CN209553344U (en) | 2019-01-27 | 2019-01-27 | A kind of walking tensioning device of continuous milling machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209553344U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113007159A (en) * | 2021-02-09 | 2021-06-22 | 中国煤炭科工集团太原研究院有限公司 | Hydraulic tensioning method, hydraulic tensioning device and continuous miner |
-
2019
- 2019-01-27 CN CN201920136068.0U patent/CN209553344U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113007159A (en) * | 2021-02-09 | 2021-06-22 | 中国煤炭科工集团太原研究院有限公司 | Hydraulic tensioning method, hydraulic tensioning device and continuous miner |
| CN113007159B (en) * | 2021-02-09 | 2023-03-10 | 中国煤炭科工集团太原研究院有限公司 | Hydraulic tensioning method, hydraulic tensioning device and continuous miner |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN209553344U (en) | A kind of walking tensioning device of continuous milling machine | |
| CN101823445A (en) | Design method of suspension pulley | |
| CN213206773U (en) | Anti-seismic support that reliability is high | |
| CN106849476A (en) | A kind of oil pumping machine electric motor belt slack adjuster and adjusting method | |
| CN213331994U (en) | Locking nut for stable connection of automobile battery box | |
| CN2895704Y (en) | Opening-closing type shock-damping centralizer | |
| CN208451168U (en) | Automatic feed mechanism for Barrel of Hydraulic Cylinders | |
| CN207625239U (en) | Terminal box cable anti-picking device | |
| CN203601423U (en) | Track tensioning device | |
| CN202746897U (en) | Centralized grease injection device of pumping unit | |
| CN206737510U (en) | Dock track for stereo garage | |
| CN218971261U (en) | Paste plugging bracket | |
| CN216833082U (en) | Rotary supporting structure and trackless rubber-tyred vehicle with same | |
| CN102031968B (en) | Tunnelling and shoring integrated machine and telescopic boom thereof | |
| CN208470793U (en) | A kind of tail wheel assembly of scraper lifting machine | |
| CN218378981U (en) | Valve protection device used in hydrogen cylinder transportation process | |
| CN206066322U (en) | A kind of portable locking is unloaded the device of connecting tube | |
| CN211893473U (en) | Anti-collision support for motorcycle | |
| CN201908656U (en) | Digging and protecting all-in-one machine and telescopic boom thereof | |
| CN218356981U (en) | Protection frame of right-angle steering machine | |
| CN220415458U (en) | Floor-falling preventing device for delay pipeline of tunneling working face | |
| CN216508569U (en) | Steering knuckle assembly for vehicle | |
| CN110219609A (en) | A kind of installation method for clip of meeting an urgent need | |
| CN214877811U (en) | Large-stroke distance adjusting device | |
| CN216038245U (en) | High-performance shackle pulley structure for withdrawing well and mine hydraulic support |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |