CN202628678U - Mounting structure of magnetic sensor and concrete pumping equipment - Google Patents
Mounting structure of magnetic sensor and concrete pumping equipment Download PDFInfo
- Publication number
- CN202628678U CN202628678U CN 201220283054 CN201220283054U CN202628678U CN 202628678 U CN202628678 U CN 202628678U CN 201220283054 CN201220283054 CN 201220283054 CN 201220283054 U CN201220283054 U CN 201220283054U CN 202628678 U CN202628678 U CN 202628678U
- Authority
- CN
- China
- Prior art keywords
- piston
- working
- cylinder
- positioning
- rod
- 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 - Lifetime
Links
- 238000005086 pumping Methods 0.000 title claims abstract description 20
- 230000033001 locomotion Effects 0.000 claims abstract description 20
- 230000001360 synchronised effect Effects 0.000 claims description 5
- 238000012423 maintenance Methods 0.000 abstract description 9
- 238000011897 real-time detection Methods 0.000 abstract 1
- 239000003921 oil Substances 0.000 description 51
- 239000012530 fluid Substances 0.000 description 23
- 238000000034 method Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 239000002131 composite material Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- 239000002828 fuel tank Substances 0.000 description 2
- 239000010720 hydraulic oil Substances 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
Images
Landscapes
- Actuator (AREA)
Abstract
The utility model provides a magnetic sensor's mounting structure and concrete pumping equipment. The magnetic sensor is arranged on an oil cylinder, and the oil cylinder comprises a working oil cylinder and a positioning oil cylinder connected with the working oil cylinder; the working oil cylinder comprises a working cylinder body and a working piston part arranged in the working cylinder body, and a measuring hole is formed in the working piston part; the positioning oil cylinder comprises a positioning cylinder body and a positioning piston arranged in the positioning cylinder body, and the positioning piston is provided with a mounting hole; one end of the working piston part is contacted with or separated from the positioning piston; the magnetic sensor comprises a rod body and a magnetic ring which moves synchronously with the working piston part, one end of the rod body is connected with the positioning cylinder body, and the other end of the rod body penetrates through the mounting hole of the positioning piston and then is inserted into the measuring hole of the working piston part. The utility model discloses install magnetic sensor's one end on first cylinder body to can carry out real-time detection to the piston motion between maintenance position, initial operating position and the biggest extension position.
Description
Technical field
The utility model relates to Hydraulic Field, more specifically, relates to a kind of mounting structure and concrete pumping equipment of mangneto sensor.
Background technique
Fig. 1 schematically shows the mounting structure schematic representation of mangneto sensor of the prior art.As shown in Figure 1, oil cylinder comprises operating cylinder 120, working piston 122 and piston rod 124.Wherein, piston rod 124 is provided with measuring hole 123.Mangneto sensor 200 comprises the body of rod 210 and magnet ring 220, and wherein, the body of rod 210 comprises electronics storehouse 211 and measuring staff 212.Wherein, electronics storehouse 211 is connected with measuring staff 212, and electronics storehouse 211 is installed on the operating cylinder 120, and magnet ring 220 is installed on the working piston 122.This oil cylinder adopts mangneto sensor 200 to monitor the position of the working piston 122 of oil cylinder, thus for outside control apparatus provides at a high speed, reliable, accurate, continuous displacement signal so that cylinder action more precisely, continuous controllable.
Please refer to Fig. 2 and Fig. 3, the pumping oil cylinder in the concrete pumping equipment of the prior art is a composite oil cylinder, and this oil cylinder comprises: working cylinder 121, location cylinder body 111, working piston 122 and positioning piston 112.Wherein, working piston 122 is arranged in the working cylinder 121 versatilely; Positioning piston 112 is arranged in the cylinder body 111 of location versatilely.Working piston 122 is provided with through hole, and working piston 122 is arranged on the middle part of piston rod 124, and piston rod 124 is arranged on working cylinder 121 versatilely and locatees in the cylinder body 111.One end and the working piston 122 of piston rod 124 connect.
Oil cylinder among Fig. 2 is compared with the oil cylinder among Fig. 1, has increased a cylinder body (promptly locating cylinder body 111), to play the effect of location.Oil cylinder among Fig. 2 and Fig. 3 can satisfy the needs that executive component 300 moves between the two positions.Wherein, the maintenance position (like Fig. 3) that the position is an executive component 300, another position is initialization position (like Fig. 2).Executive component 300 could carry out reciprocal fore and aft motion after having only the initialization of arrival position reliably.
Please refer to Fig. 2, when pressure oil when hydraulic fluid port C gets into location cylinder body 111, promote positioning piston 112 and move right, positioning piston 112 further promotes piston rods 124 and moves right together with executive component 300.When positioning piston 112 moved to the limit position of right-hand member, executive component 300 correspondingly moved to the initialization position.Then, pressure oil gets into working cylinder 121 (simultaneously from hydraulic fluid port B oil return) from hydraulic fluid port A, moves right together to drive working piston 122, piston rod 124 and executive component 300.After working piston 122 moved right limit position, pressure oil got into (hydraulic fluid port A oil return this moment) from hydraulic fluid port B, returns left together to drive working piston 122, piston rod 124 and executive component 300.So just can realize the reciprocal fore and aft motion of oil cylinder.
Please refer to Fig. 3; When hydraulic fluid port C and fuel tank connection, the hydraulic oil oil sump tank in the location cylinder body 111, pressure oil gets into from hydraulic fluid port B; Piston 122 drives piston rod 124, executive component 300 together to left movement to push the work forward; Under the promotion of piston rod 124, positioning piston 112 returns to the extreme position of left end, and this moment, executive component 300 also returned to the maintenance position.
Because the left end of the oil cylinder among Fig. 2 and Fig. 3 is provided with the location cylinder body 111 that is used to locate; And be provided with the positioning piston 112 that need take regular exercise in the cylinder body 111 of location; Thereby can't directly mangneto sensor of the prior art be installed in the composite oil cylinder and go, also can't realize real-time measurement to pump oil cylinder working position.
The model utility content
The utility model aims to provide a kind of mounting structure and concrete pumping equipment of mangneto sensor, can't directly mangneto sensor of the prior art be installed to the problem of going in the composite oil cylinder to solve in the existing technology.
For solving the problems of the technologies described above, according to first aspect of the utility model, a kind of mounting structure of mangneto sensor is provided, the mangneto sensor is installed on the oil cylinder, and oil cylinder comprises operating cylinder and the positional cylinder that is connected with operating cylinder; Operating cylinder comprises working cylinder and the working piston portion that is arranged in the working cylinder, and working piston portion is provided with measuring hole; Positional cylinder comprises location cylinder body and the positioning piston that is arranged in the cylinder body of location, and positioning piston is provided with mounting hole; One end of working piston portion contacts with positioning piston or separates; The mangneto sensor comprises the body of rod and the magnet ring that is synchronized with the movement with working piston portion, and an end of the body of rod is connected with the location cylinder body, and the other end of the body of rod passes the measuring hole of insertion working piston portion behind the mounting hole of positioning piston.
Further, an end of the body of rod is connected with the rear end cover of location cylinder body, and positional cylinder also comprises guide sleeve, and the body of rod passes guide sleeve, and guide sleeve passes the mounting hole on the positioning piston.
Further, guide sleeve is connected with rear end cover.
Further, working piston portion comprises working piston and the piston rod that is connected with working piston; Working piston is along the middle part that is axially disposed within piston rod of piston rod, and an end of piston rod contacts with positioning piston or separates, and measuring hole is arranged on the piston rod.
Further, measuring hole comprises first portion and second portion, and the diameter of first portion is greater than the diameter of second portion.
Further, the diameter of the first portion of measuring hole is greater than the diameter of guide sleeve and magnet ring.
Further, magnet ring is arranged in the measuring hole.
Further, working piston portion comprises working piston and the piston rod that is connected with working piston; One end of piston rod is connected with working piston, and measuring hole comprises first portion and second portion, and first portion is arranged on the working piston, and second portion is arranged on the piston rod, and positioning piston comprises the convex edge, and the convex edge contacts with working piston or separates.
Further, magnet ring is arranged in the first portion of measuring hole.
Second aspect according to the utility model provides a kind of concrete pumping equipment, comprises oil cylinder and mangneto sensor, and this mangneto sensor is installed on the oil cylinder through above-mentioned mounting structure, and oil cylinder is the pumping oil cylinder of concrete pumping equipment.
The utility model is installed in an end of mangneto sensor on first cylinder body; Detect in real time thereby can between maintenance position, initialization position and maximum elongation position, move piston; Can be outside control apparatus accurate position signal is provided, more precisely, continuous controllable to control the motion of oil cylinder.
Description of drawings
The accompanying drawing that constitutes the application's a part is used to provide the further understanding to the utility model, and illustrative examples of the utility model and explanation thereof are used to explain the utility model, do not constitute the improper qualification to the utility model.In the accompanying drawings:
Fig. 1 has schematically shown the structural representation with oil cylinder of mangneto sensor of the prior art;
Structural representation when Fig. 2 has schematically shown the pumping oil cylinder that uses in the concrete pumping equipment of the prior art and is in the initialization position;
Fig. 3 has schematically shown the pumping oil cylinder that uses in the concrete pumping equipment of the prior art and has been in the structural representation when overhauling the position;
Fig. 4 has schematically shown the structural representation when first kind of mounting structure in the utility model is in the initialization position; And
Fig. 5 has schematically shown the structural representation when first kind of mounting structure in the utility model is in the maintenance position; And
Fig. 6 has schematically shown the structural representation of second kind of mounting structure.
Embodiment
Embodiment to the utility model is elaborated below in conjunction with accompanying drawing, but the multitude of different ways that the utility model can be defined by the claims and cover is implemented.
As first aspect of the utility model, a kind of mounting structure of mangneto sensor is provided.Like Fig. 4-shown in Figure 6, the mangneto sensor is installed on the oil cylinder 100, and oil cylinder 100 comprises operating cylinder 120 and the positional cylinder 110 that is connected with operating cylinder 120; Operating cylinder 120 comprises working cylinder 121 and the working piston portion that is arranged in the working cylinder 121, and working piston portion is provided with measuring hole 123; Positional cylinder 110 comprises location cylinder body 111 and the positioning piston 112 that is arranged in the location cylinder body 111, and positioning piston 112 is provided with mounting hole; One end of working piston portion contacts with positioning piston 112 or separates; Mangneto sensor 200 comprises the body of rod 210 and the magnet ring 220 that is synchronized with the movement with working piston portion, and an end of the body of rod 210 is connected with location cylinder body 111, and the other end of the body of rod 210 passes the measuring hole 123 of insertion working piston portion behind the mounting hole of positioning piston 112.The body of rod 210 comprises electronics storehouse 211 and the measuring staff 212 that is connected with electronics storehouse 211.
Preferably, an end of the body of rod 210 is connected with the rear end cover 111c of location cylinder body 111, and positional cylinder 110 also comprises guide sleeve 113, and the body of rod 210 passes guide sleeve 113, and guide sleeve 113 passes the mounting hole on the positioning piston 112.Preferably, guide sleeve 113 is connected with rear end cover 111c.Certainly, guide sleeve 113 also can be installed in the positional cylinder 110 through alternate manner, for example, can guide sleeve 113 and piston rod 124 be formed telescopic structure.Like this; Because the diameter of guide sleeve 113 is bigger; Guide sleeve 113 can lead to the motion of positioning piston 112 reliably, also can prevent simultaneously to directly act on when sliding on the body of rod 210 when positioning piston 112, owing to the diameter of the body of rod 210 is less; And cause the body of rod 210 diastrophic problems, played protective action to the body of rod 210.
In Fig. 4 and embodiment shown in Figure 5, working piston portion comprises working piston 122 and the piston rod 124 that is connected with working piston 122; Working piston 122 is along the middle part that is axially disposed within piston rod 124 of piston rod 124, and an end of piston rod 124 contacts with positioning piston 112 or separates, and measuring hole 123 is arranged on the piston rod 124.
Please refer to Fig. 4 and Fig. 5, magnet ring 220 is arranged in the measuring hole 123.The body of rod 210 passes magnet ring 220, is synchronized with the movement with piston rod 124, thereby can detects the position of working piston 122.Preferably, measuring hole 123 comprises 123a of first portion and second portion 123b, and the diameter of the 123a of first portion is greater than the diameter of second portion 123b.Preferably, the diameter of the 123a of first portion of measuring hole 123 is greater than the diameter of guide sleeve 113 and magnet ring 220.Wherein, the 123a of first portion can be used to hold thicker electronics storehouse of diameter 211 and guide sleeve 113.When piston rod 124 move to left the maintenance position process in, guide sleeve 113 is accommodated in the 123a of first portion gradually.
In an embodiment shown in Figure 6, working piston portion comprises working piston 122 and the piston rod 124 that is connected with working piston 122; One end of piston rod 124 is connected with working piston 122; Measuring hole 123 comprises 123a of first portion and second portion 123b; The 123a of first portion is arranged on the working piston 122; Second portion 123b is arranged on the piston rod 124, and positioning piston 112 comprises convex edge 112a, and convex edge 112a contacts with working piston 122 or separates.Preferably, magnet ring 220 is arranged in the 123a of first portion of measuring hole 123.Magnet ring 220 is enclosed within on the body of rod 210, is synchronized with the movement with piston rod 124, thereby can detects the position of working piston 122.
Please refer to Fig. 4 and Fig. 5, positioning piston 112 will be located cylinder body 111 and will be divided into the first cavity 111a and the second cavity 111b.Working piston 122 is divided into the 3rd cavity 121a and the 4th cavity 121b with working cylinder 121.On the first cavity 111a, the 3rd cavity 121a and the 4th cavity 121b, be respectively arranged with hydraulic fluid port C, hydraulic fluid port A and hydraulic fluid port B.Can pressure oil be provided to the first cavity 111a through hydraulic fluid port C, move right with positioning piston 112, play the effect of location thereby promote piston rod 124.Otherwise as hydraulic fluid port C during as return opening, positioning piston 112 can be to left movement under the effect of external force.
In addition,, can drive working piston 122 and move right during as filler opening and hydraulic fluid port B as hydraulic fluid port A as return opening; Otherwise, when hydraulic fluid port A during as filler opening, can drive working piston 122 to left movement as return opening and hydraulic fluid port B.Especially, the second cavity 111b and the 3rd cavity 121a are communicated with, thereby have simplified the structure of oil circuit.
Like Fig. 4 and shown in Figure 5, adopted the oil cylinder of the mounting structure in the utility model can satisfy the needs that executive component 300 moves between the two positions.Wherein, the maintenance position (like Fig. 5) that the position is an executive component 300, another position is initialization position (like Fig. 4).Executive component 300 could carry out reciprocal fore and aft motion after having only the initialization of arrival position reliably.
Below in conjunction with Fig. 4 and Fig. 5 the working procedure of the oil cylinder that adopts the mounting structure in the utility model is elaborated.
As shown in Figure 4, when pressure oil when hydraulic fluid port C gets into location cylinder body 111, promote positioning piston 112 and move right, positioning piston 112 further promotes piston rods 124 and moves right together with executive component 300.When positioning piston 112 moved to the limit position of right-hand member, executive component 300 correspondingly moved to the initialization position, and at this moment, positioning piston 112 plays the effect of working piston 122 with piston rod 124 location.Then, pressure oil gets into the 3rd cavity 121a (simultaneously from hydraulic fluid port B oil return) from hydraulic fluid port A, moves right together to drive working piston 122, piston rod 124 and executive component 300.After working piston 122 moved right limit position, pressure oil got into the 4th cavity 121b (hydraulic fluid port A oil return this moment) from hydraulic fluid port B, returns left together to drive working piston 122, piston rod 124 and executive component 300.So just can realize the reciprocal fore and aft motion of oil cylinder.
Please refer to Fig. 5; When hydraulic fluid port C and fuel tank connection, the hydraulic oil oil sump tank in the first cavity 111a, pressure oil gets into the 4th cavity 121b from hydraulic fluid port B; Piston 122 drives piston rod 124, executive component 300 together to left movement to push the work forward; Under the promotion of piston rod 124, positioning piston 112 returns to the extreme position of left end, and this moment, executive component 300 also returned to the maintenance position.
In the utility model, the body of rod 210 of mangneto sensor 200 is located in the mounting hole of piston rod 124, and in the process of piston rod 124 motions, the magnet ring 220 of mangneto sensor 200 synchronously moves with working piston 122.Therefore, the movement position of working piston 122 and piston rod 124 has just been reacted in the motion of magnet ring 220 ground.Please refer to Fig. 4 and Fig. 5; In the process of between the piston rod 124 of oil cylinder is by maintenance position and initialization position and maximum elongation position, moving; Can detect the current location of working piston 122 in real time through mangneto sensor 200; So that for outside control apparatus provides accurate position signal, more precisely, continuous controllable to control the motion of oil cylinder.
Second aspect as the utility model provides a kind of concrete pumping equipment, comprises oil cylinder and mangneto sensor, and this mangneto sensor is installed on the oil cylinder through the mounting structure among above-mentioned each embodiment, and oil cylinder is the pumping oil cylinder of concrete pumping equipment.
The preferred embodiment that the above is merely the utility model is not limited to the utility model, and for a person skilled in the art, the utility model can have various changes and variation.All within the spirit and principle of the utility model, any modification of being done, be equal to replacement, improvement etc., all should be included within the protection domain of the utility model.
Claims (10)
1. the mounting structure of a mangneto sensor, said mangneto sensor (200) is installed on the oil cylinder (100), and said oil cylinder (100) comprises operating cylinder (120) and the positional cylinder (110) that is connected with said operating cylinder (120); It is characterized in that said operating cylinder (120) comprises working cylinder (121) and be arranged on the working piston portion in the said working cylinder (121), said working piston portion is provided with measuring hole (123);
Said positional cylinder (110) comprises location cylinder body (111) and is arranged on the positioning piston (112) in the said location cylinder body (111) that said positioning piston (112) is provided with mounting hole; One end of said working piston portion is with said positioning piston (112) contact or separate;
Said mangneto sensor (200) comprises the body of rod (210) and the magnet ring (220) that is synchronized with the movement with said working piston portion; One end of the said body of rod (210) is connected with said location cylinder body (111), and the other end of the said body of rod (210) passes the measuring hole (123) that inserts said working piston portion behind the mounting hole of said positioning piston (112).
2. mounting structure according to claim 1; It is characterized in that; A said end of the said body of rod (210) is connected with the rear end cover (111c) of said location cylinder body (111); Said positional cylinder (110) also comprises guide sleeve (113), and the said body of rod (210) passes said guide sleeve (113), and said guide sleeve (113) passes the said mounting hole on the said positioning piston (112).
3. mounting structure according to claim 2 is characterized in that, said guide sleeve (113) is connected with said rear end cover (111c).
4. mounting structure according to claim 2 is characterized in that, said working piston portion comprises working piston (122) and the piston rod (124) that is connected with said working piston (122); Said working piston (122) is along the middle part that is axially disposed within said piston rod (124) of said piston rod (124); One end of said piston rod (124) contacts with said positioning piston (112) or separates, and said measuring hole (123) is arranged on the said piston rod (124).
5. mounting structure according to claim 4 is characterized in that, said measuring hole (123) comprises first portion (123a) and second portion (123b), and the diameter of said first portion (123a) is greater than the diameter of said second portion (123b).
6. mounting structure according to claim 5 is characterized in that, the diameter of the first portion (123a) of said measuring hole (123) is greater than the diameter of said guide sleeve (113) and said magnet ring (220).
7. mounting structure according to claim 4 is characterized in that, said magnet ring (220) is arranged in the said measuring hole (123).
8. mounting structure according to claim 2 is characterized in that, said working piston portion comprises working piston (122) and the piston rod (124) that is connected with said working piston (122); One end of said piston rod (124) is connected with said working piston (122); Said measuring hole (123) comprises first portion (123a) and second portion (123b); Said first portion (123a) is arranged on the said working piston (122); Said second portion (123b) is arranged on the said piston rod (124), and said positioning piston (112) comprises convex edge (112a), and said convex edge (112a) contacts with said working piston (122) or separate.
9. mounting structure according to claim 8 is characterized in that, said magnet ring (220) is arranged in the said first portion (123a) of said measuring hole (123).
10. concrete pumping equipment; Comprise oil cylinder and mangneto sensor; It is characterized in that said mangneto sensor is installed on the said oil cylinder through each described mounting structure among the claim 1-9, said oil cylinder is the pumping oil cylinder of said concrete pumping equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220283054 CN202628678U (en) | 2012-06-15 | 2012-06-15 | Mounting structure of magnetic sensor and concrete pumping equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220283054 CN202628678U (en) | 2012-06-15 | 2012-06-15 | Mounting structure of magnetic sensor and concrete pumping equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202628678U true CN202628678U (en) | 2012-12-26 |
Family
ID=47381883
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220283054 Expired - Lifetime CN202628678U (en) | 2012-06-15 | 2012-06-15 | Mounting structure of magnetic sensor and concrete pumping equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202628678U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104132022A (en) * | 2014-07-30 | 2014-11-05 | 湖北三江航天万山特种车辆有限公司 | Simple servo oil cylinder |
| CN113669093A (en) * | 2021-09-02 | 2021-11-19 | 安徽佳乐矿山设备有限公司 | Anchor rod arm accurate guide system and anchor rod trolley using same |
| WO2024119957A1 (en) * | 2022-12-09 | 2024-06-13 | 苏州苏试试验集团股份有限公司 | Double-output vibration exciter and double-output vibration table |
-
2012
- 2012-06-15 CN CN 201220283054 patent/CN202628678U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104132022A (en) * | 2014-07-30 | 2014-11-05 | 湖北三江航天万山特种车辆有限公司 | Simple servo oil cylinder |
| CN104132022B (en) * | 2014-07-30 | 2016-08-31 | 湖北三江航天万山特种车辆有限公司 | A kind of simple servo-cylinder |
| CN113669093A (en) * | 2021-09-02 | 2021-11-19 | 安徽佳乐矿山设备有限公司 | Anchor rod arm accurate guide system and anchor rod trolley using same |
| CN113669093B (en) * | 2021-09-02 | 2024-05-03 | 安徽佳乐矿山设备有限公司 | Anchor arm accurate guide system and anchor trolley using same |
| WO2024119957A1 (en) * | 2022-12-09 | 2024-06-13 | 苏州苏试试验集团股份有限公司 | Double-output vibration exciter and double-output vibration table |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202628678U (en) | Mounting structure of magnetic sensor and concrete pumping equipment | |
| CN202612261U (en) | Oil cylinder and concrete pumping equipment | |
| EP2514959A3 (en) | Fuel injection valve | |
| EP2275335A3 (en) | Hydraulic caliper brake for a bicycle | |
| CN103286333A (en) | Hydraulic tailstock structure and machine tool | |
| CN104339144B (en) | Assembly system and assembly method for press-mounted bushing | |
| CN202645906U (en) | Oil cylinder and concrete pumping equipment | |
| CN203216446U (en) | Diamond cutter head thickness detector | |
| CN203993529U (en) | Novel honing machine water filling press-down type fixture | |
| CN103552186B (en) | Bumper demoulding Slanted ejecting component | |
| CN104117568A (en) | Intelligent low-pressure fine blanking machine for die assembly | |
| CN211639169U (en) | Guide sleeve feeding device | |
| CN203726872U (en) | Guide sleeve lubricating device of four-column hydraulic press | |
| CN207953180U (en) | Machining center guide rail anticollision device, collision-prevention device | |
| CN202914439U (en) | Loosening prevention structure for connection of hydraulic cylinder | |
| CN207018291U (en) | servo loading oil cylinder | |
| CN206874471U (en) | Plunger, plunger pump and hydraulic means | |
| CN205689516U (en) | A kind of hydraulic cylinder buffer structure | |
| CN215861067U (en) | Dustproof limiter of hydraulic cylinder | |
| CN102311078B (en) | Rolling device of three-dimensional adjuster | |
| CN106273288A (en) | A kind of injection injection device | |
| CN203509588U (en) | Clamping mechanism for linear machine tool slide way | |
| CN203927358U (en) | A kind of stepwise type distributor | |
| CN204008876U (en) | Testing electrical property unit in a kind of electronic coil test machine | |
| CN108149725A (en) | Engineering machinery hydraulic cylinder fast replacing device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20121226 |
|
| CX01 | Expiry of patent term |