CN217440075U - Split type push rod connecting device of hydraulic support - Google Patents
Split type push rod connecting device of hydraulic support Download PDFInfo
- Publication number
- CN217440075U CN217440075U CN202220978159.0U CN202220978159U CN217440075U CN 217440075 U CN217440075 U CN 217440075U CN 202220978159 U CN202220978159 U CN 202220978159U CN 217440075 U CN217440075 U CN 217440075U
- Authority
- CN
- China
- Prior art keywords
- pin
- push rod
- shaft
- ear
- connecting device
- 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
- Pivots And Pivotal Connections (AREA)
Abstract
The utility model relates to a split type push rod connecting device of a hydraulic support, which belongs to the technical field of underground fully mechanized mining support equipment of a coal mine; the connecting device comprises a hinge pin shaft, a baffle shaft block and a locking pin shaft assembly, wherein each single lug plate is rotatably connected with the double lug plates on the two sides through the hinge pin shaft, the baffle shaft block is arranged between the two hinge pin shafts, and the baffle shaft block is fixedly connected with the double lug plates on the two sides through the locking pin shaft assembly; the problem of current connected mode backing pin seat fragile, difficult dismouting of long round pin axle is solved.
Description
Technical Field
The utility model belongs to the technical field of the colliery is combined in the pit and is adopted supporting equipment, concretely relates to split type push rod connecting device of hydraulic support.
Background
In the existing mining hydraulic support, a large part of pushing mechanisms are of inverted jacks and split push rod structures, so that the effect of increasing the tension frame force is met, and meanwhile, the mining hydraulic support has the characteristics of easiness in replacement of an integral push rod, good adaptability of a bottom plate and the like. But split type push rod needs the articulated formation of front and back push rod, adopts the fixed articulated round pin axle of the form of outside welding backing pin seat usually to the design of articulated part, but this kind of design backing pin seat exposes, combines the adverse circumstances of working in the pit, and the backing pin seat damages the dropout very easily under the impact of coal stream, even here articulates with long round pin axle even dismantling under the prerequisite of pushing the jack, still is difficult to tear open and install here, causes a great deal of inconvenience for the maintenance in the pit.
SUMMERY OF THE UTILITY MODEL
The utility model overcomes the defects of the prior art and provides a split type push rod connecting device of a hydraulic support; the problem of current connected mode backing pin seat fragile, difficult dismouting of long round pin axle is solved.
In order to achieve the above purpose, the present invention is achieved by the following technical solutions.
The utility model provides a split type push rod connecting device of hydraulic support, set up between hydraulic support's back push rod and preceding push rod, through connecting device is articulated back push rod front end and preceding push rod rear end, the rear end of preceding push rod is provided with two monaural boards, the front end left and right sides symmetry of back push rod is provided with two sets of binaural boards, every monaural board is located between a set of binaural board, connecting device is including articulated round pin axle, the dabber piece, the stop pin axle subassembly, rotate through an articulated round pin axle between the binaural board of every monaural board and both sides and be connected, be provided with a dabber piece between two articulated round pin axles, the dabber piece passes through stop pin axle subassembly and the binaural board fixed connection of both sides.
Furthermore, two single otic placodes are vertical, correspond to be provided with on two single otic placodes and control the hinge hole that link up.
Further, the equal vertical setting of two sets of ears boards includes a first ear board and a second ear board in every group ears board respectively, and first ear board is located the inboard of second ear board, all is provided with on first ear board and the second ear board and controls the hinge hole that link up, and the hinge hole on two sets of ears boards is the coaxial setting all.
Furthermore, two single ear plates on the front push rod are respectively arranged between two ear plates on two sides of the rear push rod, namely one single ear plate is respectively positioned between one first ear plate and one second ear plate; the hinge holes on the single ear plate are coaxially arranged with the hinge holes on the first ear plates and the second ear plates on the two sides.
Further, one side tip of articulated round pin axle is provided with the anticreep cylinder, and the whole length of articulated round pin axle is less than the interval between two first otic placodes, and the inboard of first otic placodes is followed to articulated round pin axle, passes first otic placode, single otic placode, second otic placode in proper order and stretches out to the outside, and the last anticreep cylinder of articulated round pin axle contacts with the medial surface of first otic placode.
Furthermore, a horizontal bottom plate is fixedly arranged between the lower edges of the left first ear plate and the right first ear plate.
Furthermore, a vertical limiting plate is fixedly arranged at the rear edge of the upper end surface of the bottom plate, and two ends of the limiting plate are fixedly connected with the first ear plates at two sides; the limiting plate is provided with a long round hole which is through from front to back, and the length direction of the long round hole is vertically arranged.
Furthermore, two fixing plates are symmetrically arranged at the front end of the upper end surface of the bottom plate along the front and the back, and two ends of each fixing plate are fixedly connected with the first ear plates at two sides respectively; the front and the rear fixing plates are coaxially provided with a through pin hole which is communicated with the front and the rear.
Furthermore, a shaft blocking block is arranged between the two fixing plates and comprises a shaft blocking pin with a cylindrical structure and a hand-held ring, the hand-held ring is fixedly arranged on the outer side surface of the circumference of the shaft blocking pin, and a pin through hole which is communicated from left to right is arranged in the middle of the shaft blocking pin along the radial direction of the shaft blocking pin; the baffle shaft pin is arranged between the two fixing plates, the pin through holes in the baffle shaft pin are arranged corresponding to the pin through holes in the front and rear fixing plates, the hand-held ring is positioned above the baffle shaft pin, and the end parts of the two ends of the baffle shaft pin are respectively contacted with the hinge pin shafts on the two sides.
Furthermore, a locking pin shaft assembly is inserted into the pin through holes of the fixing plate and the stop pin shaft together, the locking pin shaft assembly comprises a locking pin shaft, a gasket and a D-shaped pin, one end of the locking pin shaft is provided with an anti-falling cylinder, and the other end of the locking pin shaft is provided with a through hole along the radial direction; the locking pin shaft sequentially penetrates through the fixing plate at the rear side, the retaining pin shaft and the fixing plate at the front side from the outside of the fixing plate at the rear side, and finally extends out of the fixing plate at the front side through a hole; the gasket is sleeved on the extended locking pin shaft, and the D-shaped pin is inserted in the through hole on the locking pin shaft.
The utility model discloses produced beneficial effect for prior art does:
1. the traditional long hinge pin shaft is changed into two hinge pin shafts and one blocking shaft block, so that the stress is released better, the mechanical performance is better, and the replacement cost is lower after the hinge pin shaft is damaged;
2. when part of push rods or pin shafts are damaged, compared with a long hinged pin shaft, the whole push rod is required to be completely taken out to be pulled out, so that the assembly and disassembly are more convenient;
3. the blocking shaft block is small in stress and not easy to damage, and spare parts of the hinge pin shaft are low in cost;
4. the traditional fixing of the stop pin seat is eliminated, so that the cost is saved, and meanwhile, the risk that the stop pin seat is damaged and falls off under the impact of coal flow is avoided;
5. the device has the advantages of simple structure, high degree of mechanization, low manufacturing cost, convenient transportation and good hinging effect.
Drawings
The invention will be described in further detail with reference to the accompanying drawings:
fig. 1 is a plan view of the present invention as a whole;
fig. 2 is a schematic structural view of the rear push rod 2;
fig. 3 is a schematic structural view of the stopper shaft block 3;
fig. 4 is a schematic structural view of the hinge pin 4;
fig. 5 is a schematic structural view of the locking pin shaft assembly 5;
wherein, 1 is that the front push rod 1, 2 is the back push rod 2, 3 is the stop block 3, 4 is the hinge pin 4, 5 is the locking pin axle subassembly 5, 21 is the first otic placode 21, 22 is the second otic placode 22, 23 is the limiting plate 23, 24 is the fixed plate 24, 31 is the stop pin 31, 32 is the hand ring 32, 51 is the locking pin 51, 52 is the packing ring 52, 53 is the D type round pin 53.
Detailed Description
In order to make the technical problem, technical scheme and beneficial effect that the utility model will solve more clearly understand, combine embodiment and attached drawing, it is right to go on further detailed description the utility model discloses. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. The technical solution of the present invention is described in detail below with reference to the embodiments and the drawings, but the scope of protection is not limited thereto.
As shown in fig. 1-5, the utility model provides a split type push rod connecting device of hydraulic support sets up between hydraulic support's back push rod 2 and preceding push rod 1, through connecting device is articulated with back push rod 2 front end and preceding push rod 1 rear end.
Two parallel single-lug plates are symmetrically arranged at the rear end of the main rib of the front push rod 1, the two single-lug plates are vertically arranged, and hinge holes which are communicated left and right are correspondingly arranged on the two single-lug plates.
The tip is provided with two sets of ears boards along left and right sides symmetry before the main muscle of back push rod 2, and two sets of ears boards are all vertical setting. Each group of double-ear plates respectively comprises a first ear plate 21 and a second ear plate 22, the first ear plate 21 is positioned at the inner side of the second ear plate 22, a distance is arranged between the first ear plate 21 and the second ear plate 22 at each side, and the distance is greater than the thickness of a single ear plate. All be provided with on first otic placode 21 and the second otic placode about the hinge hole that link up, the equal coaxial setting of hinge hole on two sets of double-ear boards.
Two single ear plates on the front push rod 1 are respectively arranged between two ear plates on two sides of the rear push rod 2, namely, one single ear plate is respectively arranged between one first ear plate 21 and one second ear plate 22. Meanwhile, the hinge holes on the single ear plate are coaxially arranged with the hinge holes on the first ear plate 21 and the second ear plate 22 on both sides.
A horizontal bottom plate is fixedly arranged between the lower edges of the left first ear plate and the right first ear plate 21, a vertical limiting plate 23 is fixedly arranged at the rear edge of the upper end face of the bottom plate, and the two ends of the limiting plate 23 are fixedly connected with the first ear plates 21 on the two sides. The limiting plate 23 is provided with a long round hole which is through from front to back, and the length direction of the long round hole is vertically arranged.
Two fixing plates 24 are symmetrically arranged at the front end of the upper end face of the bottom plate along the front and the back, and two ends of each fixing plate 24 are fixedly connected with the first ear plates 21 at two sides respectively. The front and the rear fixing plates 24 are coaxially provided with through pin holes which are communicated with each other in the front and the rear.
Each single lug plate is rotatably connected with the first lug plate 21 and the second lug plate 22 on the two sides through a hinge pin shaft 4 respectively. The end part of one side of the hinge pin shaft 4 is provided with an anti-falling cylinder, and the outer diameter of the anti-falling cylinder is larger than the inner diameter of a hinge hole on the lug plate. The overall length of the hinge pin 4 is smaller than the distance between the two first lugs 21. Hinge pin 4 passes first otic placode 21, single otic placode, second otic placode 22 in proper order from the inboard of first otic placode 21 and stretches out to the outside, and the anticreep cylinder on hinge pin 4 contacts with the medial surface of first otic placode 21.
A shaft blocking block 3 is arranged between the two fixing plates 24, the shaft blocking block 3 comprises a shaft blocking pin 31 with a cylindrical structure and a hand-held ring 32, the hand-held ring 32 is fixedly arranged on the outer side surface of the circumference of the shaft blocking pin 31, and a pin penetrating hole which is through from left to right is arranged in the middle of the shaft blocking pin 31 along the radial direction of the shaft blocking pin. The baffle shaft pin 31 is arranged between the two fixing plates 24, the pin through holes in the baffle shaft pin 31 are correspondingly arranged with the pin through holes in the front and back fixing plates 24, the hand-held ring 32 is positioned above the baffle shaft pin 31, and the end parts of the two ends of the baffle shaft pin 31 are respectively contacted with the hinge pin shafts 4 on the two sides, so that the hinge pin shafts 4 are prevented from being separated from the hinge holes in the ear plates. The hand ring 32 facilitates removal of the latch pin 31 from the fixed plate 24.
The fixing plate 24 and the blocking shaft pin 31 are inserted with a locking pin shaft assembly 5, the locking pin shaft assembly 5 comprises a locking pin shaft 51, a washer 52 and a D-shaped pin 53, one end of the locking pin shaft 51 is provided with an anti-dropping cylinder, and the other end of the locking pin shaft 51 is provided with a through hole along the radial direction. The locking pin 51 passes through the rear fixing plate 24, the stopper pin 31, and the front fixing plate 24 in this order from the outside of the rear fixing plate 24, and finally protrudes through the hole to the outside of the front fixing plate 24. The washer 52 is sleeved on the extended locking pin shaft 51, and the D-shaped pin 53 is inserted into the through hole on the locking pin shaft 51, so that the baffle shaft pin 31 is fixed with the fixing plates 24 on two sides.
When the locking pin 51 is inserted, one end of the anti-falling cylinder of the locking pin 51 is firstly extended into the long circular hole on the limiting plate 23 to adjust the angle, and then the anti-falling cylinder can penetrate into the pin hole on the fixing plate 24.
The utility model provides a connecting device has replaced the articulated form that keeps off the key seat fixed of traditional long round pin axle, welding, divide into two stub axles and a fender axle with traditional long round pin axle, better release stress, and mechanical properties is good, and replacement cost is low after damaging, has avoided traditional fender key seat to damage the risk that drops under the impact of coal stream simultaneously. Meanwhile, when the push rod is replaced, the damaged part can be replaced in a detachable mode without detaching the push rod completely. The device has gone through the work of going into mine in reality, and the suitability is strong, and simple structure is reasonable, and easy dismounting has obtained the recognition of ore deposit side, provides reference and reference for the design of similar push rod in the future.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented 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.
Claims (10)
1. The utility model provides a split type push rod connecting device of hydraulic support which characterized in that: set up between hydraulic support's back push rod (2) and preceding push rod (1), through connecting device is articulated back push rod (2) front end and preceding push rod (1) rear end, and the rear end of preceding push rod (1) is provided with two monaural boards, and the front end left and right sides symmetry of back push rod (2) is provided with two sets of binaural boards, and every monaural board is located between a set of binaural board, and connecting device includes articulated round pin axle (4), fender axle piece (3), stop pin axle subassembly (5), is connected through an articulated round pin axle (4) looks rotation between the binaural board of every monaural board and both sides, is provided with a fender axle piece (3) between two articulated round pin axles (4), and fender axle piece (3) are through stop pin axle subassembly (5) and the binaural board fixed connection of both sides mutually.
2. The split type push rod connecting device of the hydraulic support according to claim 1, characterized in that: two single otic placodes are vertical, correspond on two single otic placodes to be provided with about the hinge hole that link up.
3. The split push rod connecting device of the hydraulic support according to claim 2, characterized in that: the two groups of double-ear plates are vertically arranged, each group of double-ear plates respectively comprises a first ear plate (21) and a second ear plate (22), the first ear plates (21) are located on the inner sides of the second ear plates (22), hinge holes which are communicated in the left and right directions are formed in the first ear plates (21) and the second ear plates (22), and the hinge holes in the two groups of double-ear plates are coaxially arranged.
4. The split type push rod connecting device of the hydraulic support according to claim 3, characterized in that: two single ear plates on the front push rod (1) are respectively arranged between two ear plates on two sides of the rear push rod (2), namely, one single ear plate is respectively positioned between one first ear plate (21) and one second ear plate (22); the hinge holes on the single ear plate are coaxially arranged with the hinge holes on the first ear plate (21) and the second ear plate (22) on the two sides.
5. The split type push rod connecting device of the hydraulic support according to claim 4, characterized in that: one side tip of articulated round pin axle (4) is provided with the anticreep cylinder, and the whole length of articulated round pin axle (4) is less than the interval between two first otic placodes (21), and articulated round pin axle (4) is followed the inboard of first otic placode (21), passes first otic placode (21), single otic placode, second otic placode (22) in proper order and stretches out to the outside, and the anticreep cylinder on articulated round pin axle (4) contacts with the medial surface of first otic placode (21).
6. The split type push rod connecting device of the hydraulic support according to claim 1, characterized in that: a horizontal bottom plate is fixedly arranged between the lower edges of the left first ear plate and the right first ear plate (21).
7. The split type push rod connecting device of the hydraulic support according to claim 6, characterized in that: a vertical limiting plate (23) is fixedly arranged at the rear edge of the upper end face of the bottom plate, and two ends of the limiting plate (23) are fixedly connected with the first ear plates (21) at two sides; the limiting plate (23) is provided with a long round hole which is through from front to back, and the length direction of the long round hole is vertically arranged.
8. The split type push rod connecting device of the hydraulic support according to claim 6, characterized in that: two fixing plates (24) are symmetrically arranged at the front end of the upper end surface of the bottom plate along the front and the back, and two ends of each fixing plate (24) are respectively fixedly connected with the first ear plates (21) at two sides; the front and the back fixing plates (24) are coaxially provided with a through pin hole which is communicated with the front and the back.
9. The split type push rod connecting device of the hydraulic support according to claim 8, characterized in that: a shaft blocking block (3) is arranged between the two fixing plates (24), the shaft blocking block (3) comprises a shaft blocking pin (31) with a cylindrical structure and a hand-held ring (32), the hand-held ring (32) is fixedly arranged on the outer side surface of the circumference of the shaft blocking pin (31), and a pin penetrating hole which is through from left to right is arranged in the middle of the shaft blocking pin (31) along the radial direction of the shaft blocking pin; the baffle shaft pin (31) is arranged between the two fixing plates (24), the pin through holes in the baffle shaft pin (31) are arranged corresponding to the pin through holes in the front and back fixing plates (24), the hand-held ring (32) is positioned above the baffle shaft pin (31), and the end parts of the two ends of the baffle shaft pin (31) are respectively contacted with the hinge pin shafts (4) on the two sides.
10. The split type push rod connecting device of the hydraulic support according to claim 9, characterized in that: a locking pin shaft assembly (5) is inserted into pin through holes of the fixing plate (24) and the blocking shaft pin (31) together, the locking pin shaft assembly (5) comprises a locking pin shaft (51), a gasket (52) and a D-shaped pin (53), one end of the locking pin shaft (51) is provided with an anti-dropping cylinder, and the other end of the locking pin shaft (51) is provided with a through hole along the radial direction; the locking pin shaft (51) sequentially penetrates through the fixing plate (24) at the rear side, the blocking shaft pin (31) and the fixing plate (24) at the front side from the outside of the fixing plate (24) at the rear side, and finally extends out of the fixing plate (24) at the front side through a hole; the gasket (52) is sleeved on the extended locking pin shaft (51), and the D-shaped pin (53) is inserted in the through hole on the locking pin shaft (51).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220978159.0U CN217440075U (en) | 2022-04-26 | 2022-04-26 | Split type push rod connecting device of hydraulic support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220978159.0U CN217440075U (en) | 2022-04-26 | 2022-04-26 | Split type push rod connecting device of hydraulic support |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217440075U true CN217440075U (en) | 2022-09-16 |
Family
ID=83216635
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220978159.0U Active CN217440075U (en) | 2022-04-26 | 2022-04-26 | Split type push rod connecting device of hydraulic support |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217440075U (en) |
-
2022
- 2022-04-26 CN CN202220978159.0U patent/CN217440075U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN217440075U (en) | Split type push rod connecting device of hydraulic support | |
| CN205308448U (en) | Vertical crusher rotor | |
| CN202899175U (en) | High strain pile testing weight release device | |
| CN213729173U (en) | Quick dismounting device for shallow slot chain | |
| CN202879600U (en) | Novel lower hinging structure of front frame and rear frame | |
| CN214499837U (en) | Improved connecting shaft | |
| CN211001712U (en) | Fitting-out spare that laborsaving effect is good | |
| CN212267148U (en) | Bottom shield walking wheel for TBM main drive translation withdrawing | |
| CN215486092U (en) | Colliery hydraulic support push rod connection structure | |
| CN207916995U (en) | Split type driver's cabin latch system | |
| CN214497636U (en) | High stability quick change coupler | |
| CN203509511U (en) | Device for demounting large coupler | |
| CN201850570U (en) | Machine and quick-change device thereof | |
| CN210738559U (en) | Oil cylinder lug seat device suitable for crushing arm support of coal mining machine | |
| CN220809052U (en) | Semitrailer suspension balance arm | |
| CN219329962U (en) | Hydraulic transmission plough of wheeled tractor | |
| CN211768242U (en) | Rack with vertically-installed shaft set | |
| CN214422071U (en) | Special auxiliary dismounting and hoisting tool for oval manhole cover of high-pressure heater | |
| CN221480831U (en) | Steel support movable head | |
| CN217073959U (en) | Towing pin with anti-drop structure | |
| CN221482311U (en) | Detachable hydraulic mechanism ear seat for rotary drilling rig | |
| CN219795976U (en) | Ship unloader traction chain convenient to change | |
| CN215389880U (en) | Front and rear frame hinge mechanism of mobile crushing trolley | |
| CN221517655U (en) | Supplementary frock of dismantling of hydro-pneumatic spring jar | |
| CN219363092U (en) | Main rope pressing wheel suitable for endless rope continuous tractor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |