CN212897671U - Wedge-shaped locking device - Google Patents
Wedge-shaped locking device Download PDFInfo
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- CN212897671U CN212897671U CN202021318863.0U CN202021318863U CN212897671U CN 212897671 U CN212897671 U CN 212897671U CN 202021318863 U CN202021318863 U CN 202021318863U CN 212897671 U CN212897671 U CN 212897671U
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Abstract
The utility model discloses a wedge locking device relates to construction technical field. The device aims at the problems that a counter-force seat needs to be locked and moved repeatedly by manpower in the existing rail pushing sliding method, and the automation degree and the construction efficiency are low. The wedge-shaped locking device comprises an oil cylinder reaction frame and a wedge-shaped sliding block, the oil cylinder reaction frame is arranged on the track in a clamped mode, the wedge-shaped sliding block is embedded in a wedge-shaped sliding groove in an inner cavity of the oil cylinder reaction frame, the pushing oil cylinder drives the wedge-shaped sliding block connected with the pushing oil cylinder to slide back and forth along the wedge-shaped sliding groove, and therefore the wedge-shaped locking device and the track are locked or unlocked.
Description
Technical Field
The utility model relates to a construction technical field, in particular to wedge locking device.
Background
At present, the installation and construction of the large steel structure adopt a pushing and sliding method, wherein the rail pushing and sliding is to push the rear end of the large steel structure through a horizontal pushing hydraulic oil cylinder, and the large steel structure is translated to a position to be installed along a rail by using a sliding foot installed at the bottom of the large steel structure.
When the hydraulic oil cylinder pushes the large-scale steel structure to move horizontally, the rear end of the hydraulic oil cylinder needs to be provided with a reaction seat capable of being locked, and after the hydraulic oil cylinder pushes a stroke, the reaction seat needs to move a distance of one stroke of the oil cylinder and lock again, so that the hydraulic oil cylinder continues to push the next stroke. However, the existing reaction seat needs to be manually locked and then pushed for a stroke each time, then is manually unlocked and moved, the repeated movement and locking workload of the reaction seat are large, and the construction efficiency of large-scale steel structure pushing is greatly influenced.
Disclosure of Invention
Rely on artifical locking and unblock repeatedly to current counter-force seat, increased work load, reduced work efficiency's problem, the utility model aims at providing a wedge locking device can automatic locking and unblock.
The utility model provides a technical scheme that its technical problem adopted is: the wedge-shaped locking device comprises an oil cylinder reaction frame and a wedge-shaped sliding block, the oil cylinder reaction frame is clamped on the rail, the wedge-shaped sliding block is embedded in a wedge-shaped sliding groove in an inner cavity of the oil cylinder reaction frame, the end part of the wedge-shaped sliding block is connected with a power device, and the power device drives the wedge-shaped sliding block to slide back and forth along the wedge-shaped sliding groove, so that the wedge-shaped locking device and the rail are locked or unlocked.
The utility model discloses a wedge locking device, including hydro-cylinder reaction frame and wedge slider, hydro-cylinder reaction frame clamp locates the track, and wedge slider inlays the wedge spout of locating hydro-cylinder reaction frame inner chamber, and power device drives the wedge slider rather than being connected and comes and goes along wedge spout and slide for lock between wedge locking device and the track or unblock; the utility model discloses a wedge locking device utilizes the wedge locking mode to change the frictional force between wedge locking device and the track to realize wedge locking device's automatic locking and unblock, its simple structure, atress are clear and definite, reliably durable, moreover, owing to avoided artifical locking and unblock to move the manpower and materials consumption that counter-force seat and cause, consequently, improved the work efficiency that the top was constructed, and guaranteed construction safety.
Preferably, the oil cylinder reaction frame comprises a box body arranged right above the rail, and two clamping components arranged on two sides of the box body relatively, each clamping component comprises a wedge-shaped limiting block, a main connecting rod, a pressing block, a first shaft seat, a second shaft seat and a third shaft seat, the wedge-shaped limiting block is embedded in the inner cavity of the box body, one shaft seat of the wedge-shaped limiting block penetrates through the side wall of the box body and is hinged to the end portion of the main connecting rod arranged outside the box body, the other end of the main connecting rod extends to a rail web and is hinged to the second shaft seat of the pressing block, the third shaft seat is arranged at the bottom of the first shaft seat and is fixedly connected to the outer wall of the box body, the third shaft seat is hinged to the main connecting rod, the two wedge-shaped limiting blocks arranged in the inner cavity of the box body form the wedge.
Preferably, the clamping assembly further comprises an adjusting plate arranged on the side face of the pressing block and a plurality of adjusting bolts penetrating through the pressing block, a plurality of limiting holes and a plurality of threaded holes are formed in the pressing block along the axle seat bisymmetry, a plurality of limiting pins corresponding to the limiting holes are arranged on one side, away from the rail web, of the adjusting plate, and the adjusting bolts penetrate through the corresponding threaded holes in the pressing block and then abut against the adjusting plate.
Preferably, one side of the adjusting plate close to the rail web is provided with uniformly distributed convex teeth.
Preferably, the corner of the inner cavity of the box body is symmetrically provided with a pair of limiting steps with rectangular cross sections, the end part with the largest width of the wedge-shaped sliding block is embedded between the two limiting steps, and the wedge-shaped limiting block is embedded between the limiting steps and the side wall of the box body.
Preferably, the end part of the wedge-shaped sliding block embedded between the two limiting steps is provided with a sliding block guide section, and the sliding block guide section is matched with the cross section of the limiting step.
Preferably, the pushing cylinder comprises a cylinder body and a piston rod which are connected, and cylinder mounting seats which are respectively hinged to the end parts of the cylinder body and the piston rod, and the other ends of the two cylinder mounting seats are respectively fixedly connected with the pushing seat and the wedge-shaped sliding block.
Preferably, the wedge-shaped locking device further comprises a plurality of locking springs, a plurality of blind holes are symmetrically formed in the side faces of the two wedge-shaped limiting blocks in the direction perpendicular to the axis of the track, one ends of the locking springs are embedded in the blind holes, and the other ends of the locking springs are abutted to the side wall of the box body.
Drawings
FIG. 1 is a schematic structural view of the wedge-shaped locking device of the present invention;
fig. 2 is a schematic view of the locking state of the wedge-shaped locking device of the present invention;
fig. 3 is a schematic view of the unlocking state of the wedge-shaped locking device of the present invention;
fig. 4 is a schematic structural diagram of a pressing block in an embodiment of the present invention;
fig. 5 is a schematic structural view of an adjusting plate according to an embodiment of the present invention.
Fig. 6 is a schematic view of the wedge-shaped locking device according to an embodiment of the present invention applied to pushing construction;
the numbers in the figures are as follows:
a track 1; a wedge-shaped locking device 10; a pushing base 30; a jacking cylinder 20; power center 40 wedge shoe 11; a slider guide section 11 a; a cylinder reaction frame 15; a case 151; a wedge-shaped stopper 152; a master link 153; the compression blocks 154; a stopper hole 154 b; a threaded hole 154 c; a first shaft seat 152 a; a second shaft seat 154 a; a shaft seat III 156; an adjusting plate 155; a stopper pin 155 a; the convex teeth 155 b; a limit step 157; a locking spring 158; the bolt 159 is adjusted.
Detailed Description
The present invention will be described in further detail with reference to the following drawings and specific embodiments. It should be noted that the drawings are in simplified form and are not to precise scale, and are provided for convenience and clarity in order to facilitate the description of the embodiments of the present invention.
As shown in fig. 6, in this embodiment, a wedge-shaped locking device is applied to pushing construction of a certain large steel structure as an example, and pushing construction of the large steel structure is achieved by automatically locking and unlocking the wedge-shaped locking device with a rail, of course, the application of the wedge-shaped locking device of this embodiment is only an example, and is not limited thereto, and the wedge-shaped locking device 10 of this embodiment is described below with reference to fig. 1 to 5, and includes an oil cylinder reaction frame 15 and a wedge-shaped slider 11, where the oil cylinder reaction frame 15 is clamped in the rail 1, the wedge-shaped slider 11 is embedded in a wedge-shaped chute in an inner cavity of the oil cylinder reaction frame 15, an end of the wedge-shaped slider 11 is connected with a power device, and the power device drives the wedge-shaped slider 11 to slide back and forth along. The power device in this embodiment takes the pushing cylinder 20 as an example, but is not limited thereto, so that in the locked state, the pushing cylinder 20 reversely pushes the large steel structure connected with the pushing seat 30 to move in the pushing direction; in the unlocking state, the pushing cylinder 20 drives the wedge-shaped locking device 10 to move towards the pushing direction. The track 1 of the present embodiment may be made of H-beam, i-beam or other steel beams for supporting the sliding movement of the large steel structure and the movement and locking of the wedge-shaped locking device 10.
The utility model discloses a wedge locking device, including hydro-cylinder reaction frame 15 and wedge slider 11, hydro-cylinder reaction frame 15 presss from both sides and locates track 1, and wedge slider 11 inlays the wedge spout of locating the 15 inner chambers of hydro-cylinder reaction frame, and power device drives the wedge slider 11 who is connected rather than and reciprocates along the wedge spout and slides for lock or unblock between wedge locking device 10 and track 1; the utility model discloses a wedge locking device utilizes the wedge locking mode to change the frictional force between wedge locking device 10 and track 1 to realize wedge locking device 10's automatic locking and unblock, its simple structure, atress are clear and definite, reliably durable, moreover, owing to avoided artifical locking and unblock to move the manpower and materials consumption that counter-force seat and cause, consequently, improved the efficiency of construction, and guaranteed construction safety.
As shown in fig. 1, the cylinder reaction frame 15 includes a box 151 disposed over the rail 1, and two clamping assemblies disposed on two sides of the box 151, each clamping assembly includes a wedge-shaped limiting block 152, a main connecting rod 153, a pressing block 154, a first shaft seat 152a, a second shaft seat 154a, and a third shaft seat 156, the wedge-shaped limiting block 152 is embedded in the inner cavity of the box 151, the first shaft seat 152a connected to the wedge-shaped limiting block 152 penetrates through the sidewall of the box 151 and is hinged to the end of the main connecting rod 153 disposed outside the box 151, the other end of the main connecting rod 153 extends to the web of the rail 1 and is hinged to the second shaft seat 154a fixedly connected to the pressing block 154, the third shaft seat 156 is located at the bottom of the first, and the axle seat three 156 is hinged with the main connecting rod 153, and the two wedge-shaped limiting blocks 152 positioned in the inner cavity of the box body 151 form the wedge-shaped sliding groove, and the shape of the wedge-shaped sliding groove is matched with that of the wedge-shaped sliding block 11. The main connecting rod 153 is hinged to the wedge-shaped limiting block 152, the box body 151 and the pressing block 154 through the first shaft seat 152a, the third shaft seat 156 and the second shaft seat 154a, respectively, when the wedge-shaped sliding block 11 slides back and forth in the extension direction of the track 1 in the wedge-shaped sliding chute, the wedge-shaped limiting block 152 is pushed to horizontally move in the direction perpendicular to the track 1, and the main connecting rod 153 pushes the pressing block 154 to horizontally move in the direction opposite to the direction of the wedge-shaped limiting block 152 by taking the third shaft seat 156 as a fulcrum, so that the pressing block 154 is abutted to or separated from a web. Therefore, the locking and unlocking between the wedge-shaped locking device 10 and the rail 1 are achieved by converting the horizontal movement of the wedge-shaped slider 11 along the wedge-shaped chute into the horizontal movement of the pressing block 154.
As shown in fig. 1, 4 and 5, the clamping assembly further includes an adjusting plate 155 disposed on a side surface of the pressing block 154, and four adjusting bolts 159 penetrating through the pressing block 154, the pressing block 154 is symmetrically provided with four limiting holes 154b and four threaded holes 154c along a shaft seat two 154a, one side of the adjusting plate 155 away from the web of the rail 1 is provided with four limiting pins 155a corresponding to the limiting holes 154b, and the four limiting pins are used for being inserted into the limiting holes 154b of the pressing block 154 to control the movement of the adjusting plate 155, the four adjusting bolts 159 penetrate through the corresponding threaded holes 154c of the pressing block 154 and abut against the adjusting plate 155, and fine adjustment of the distance between the adjusting plate 155 and the pressing block 154 is achieved by rotating the adjusting bolts 159.
Furthermore, as shown in fig. 4, the adjusting plate 155 is provided with evenly distributed convex teeth 155b on one side close to the web of the rail 1, which is beneficial to improving the friction between the clamping assembly and the web of the rail 1.
As shown in fig. 1 to fig. 3, both sides of the box 151 and the side wall near the top thrust cylinder 20 are provided with mounting holes communicated with the inner cavity thereof, the cylinder mounting seat penetrates through the mounting holes and is respectively connected with the piston rod and the wedge-shaped slider 11, and the first shaft seat 152a penetrates through a through hole in the side wall of the box 151 and is respectively connected with the wedge-shaped limiting block 152 and the main connecting rod 153.
As shown in fig. 2 and 3, a pair of limiting steps 157 with rectangular cross sections are symmetrically arranged at the corner of the inner cavity of the box body 151 close to one side of the jacking cylinder 20, the end of the wedge-shaped slider 11 is embedded between the two limiting steps 157, the wedge-shaped limiting block 152 is embedded between the limiting steps 157 and the side wall of the box body 151, and the limiting steps 157 can limit the wedge-shaped slider 11 to translate along the axis of the rail 1 within a certain distance and limit the wedge-shaped limiting block 152 to translate along the axis of the rail 1 within a certain distance.
With continued reference to fig. 2 and fig. 3, the end of the wedge-shaped sliding block 11 embedded between the two limit steps 157 is provided with a sliding block guide section 11a with the same width, the outer diameter of the sliding block guide section 11a is matched with the inner diameter of the limit step 157, so as to further limit the sliding of the wedge-shaped sliding block 11 along the length direction of the box body 151, ensure the sliding of the wedge-shaped sliding block 11 along the central line of the track 1, and avoid the influence of the position deviation on the pushing construction in the sliding process.
As shown in fig. 6, the pushing cylinder 20 includes a cylinder body and a piston rod connected to each other, and cylinder mounting seats respectively hinged to the cylinder body and the end of the piston rod, one cylinder mounting seat has another end fixedly connected to the pushing seat 30, the other cylinder mounting seat has another end fixedly connected to the wedge-shaped slider 11, and the other side of the pushing seat 30 is welded to the large steel structure for sliding support and pushing force.
As shown in fig. 2 and fig. 3, the wedge-shaped locking device 10 further includes a plurality of locking springs 158, the side surfaces of the two wedge-shaped limiting blocks 152 are symmetrically provided with a plurality of blind holes along the direction perpendicular to the axis of the rail 1, one end of each locking spring 158 is embedded in the blind hole, the other end of each locking spring 158 abuts against the side wall of the box 151, and under the condition that the wedge-shaped slider 11 is not stressed, the wedge-shaped limiting blocks 152 can be automatically separated from the box 151 under the action of the locking springs 158, so that the wedge-shaped locking device 10 is in an unlocking state.
The application method of the wedge-shaped locking device of the present invention is described with reference to fig. 1 to 6, and the specific steps are as follows:
s1: the wedge-shaped locking device 10 and the pushing seat 30 which are arranged at intervals are respectively arranged right above the two parallel rails 1, the pushing oil cylinder 20 is connected between the pushing oil cylinder and the pushing seat 30, the pushing seat 30 is connected to a large-scale steel structure, the wedge-shaped locking device 10 comprises an oil cylinder reaction frame 15 and a wedge-shaped sliding block 11, the oil cylinder reaction frame 15 is clamped on the rails 1, one end of the wedge-shaped sliding block 11 is connected to the pushing oil cylinder 20, and the other end of the wedge-shaped sliding block is embedded in a wedge-shaped sliding groove in the inner cavity;
s2: an oil path of the pushing oil cylinder 20 is connected, the power center 40 controls the pushing oil cylinder 20 to contract, and the pushing oil cylinder 20 drives the wedge-shaped sliding block 11 to slide along the wedge-shaped sliding groove in the pushing direction, so that the wedge-shaped locking device 10 is in an unlocking state;
s3: the power center 40 controls the pushing oil cylinder 20 to extend, the pushing oil cylinder 20 pushes the wedge-shaped slide block 11 to slide along the wedge-shaped sliding groove in the opposite pushing direction, so that the wedge-shaped locking device 10 is in a locking state, and the pushing oil cylinder 20 pushes the large steel structure to move in the pushing direction in a reverse pushing mode;
s4: after the stroke of the pushing oil cylinder 20 reaches the maximum, the pushing oil cylinder 20 is contracted and drives the wedge-shaped slide block 11 to slide along the wedge-shaped sliding groove in the pushing direction, so that the wedge-shaped locking device 10 is in an unlocking state, and the pushing oil cylinder 20 drives the wedge-shaped locking device 10 to move along the track 1 in the pushing direction;
s5: and repeating the steps S3 and S4 until the large steel structure is pushed to the designated position.
In conclusion, the pushing oil cylinder 20 is retracted to drive the wedge-shaped slide block 11 to slide along the wedge-shaped chute in the pushing direction, so that the wedge-shaped locking device 10 is in an unlocking state, and the pushing oil cylinder 20 drives the wedge-shaped locking device 10 to move along the track 1 in the pushing direction; extending the pushing oil cylinder 20, pushing the wedge-shaped slide block 11 to slide along the wedge-shaped sliding groove in the opposite pushing direction, so that the wedge-shaped locking device 10 is in a locking state, pushing the member to be pushed to move for a distance of one oil cylinder stroke along the track 1 in the pushing direction by the other end of the pushing oil cylinder 20 in a reverse pushing mode, and repeating the process until the member is pushed to the finger position; the self-propelled pushing method changes the friction force between the wedge-shaped locking device 10 and the track 1 by utilizing a wedge-shaped locking mode, so that the automatic locking and unlocking of the wedge-shaped locking device 10 and the automatic pushing construction of components are realized, and the manpower and material resource consumption caused by manual locking and unlocking of moving counter-force seats is avoided, so that the pushing construction efficiency is improved, and the construction safety is ensured.
As shown in fig. 2, a box 151 of the cylinder reaction frame 15 is disposed over a rail 1, two clamping assemblies are disposed on two sides of the box 151, each clamping assembly includes a wedge-shaped limiting block 152, a main connecting rod 153, a pressing block 154, a first shaft seat 152a, a second shaft seat 154a and a third shaft seat 156, the wedge-shaped limiting block 152 is embedded in an inner cavity of the box 151, the first shaft seat 152a connected to the wedge-shaped limiting block 152 penetrates through a side wall of the box 151 and is hinged to an end of the main connecting rod 153 disposed outside the box 151, the other end of the main connecting rod 153 extends to a web of the rail 1 and is hinged to the second shaft seat 154a fixedly connected to the pressing block 154, the third shaft seat 156 is located at the bottom of the first shaft seat 152a and is; as shown in fig. 4, in step S2, the jacking cylinder 20 contracts to drive the wedge-shaped slider 11 to move in the jacking direction, the two wedge-shaped limiting blocks 152 in the inner cavity of the box 151 move relatively and separate from the side wall of the box 151, so that the main connecting rod 153 rotates around the axle seat three 156, the main connecting rod 153 drives the pressing blocks 154 on the two sides of the web of the track 1 to move oppositely and separate from the web, and the wedge-shaped locking device 10 is unlocked; as shown in fig. 3, in step S3, the jacking cylinder 20 extends to push the wedge-shaped slider 11 to move in the opposite direction, the two wedge-shaped limiting blocks 152 in the inner cavity of the box 151 move in opposite directions and abut against the side wall of the box 151, so that the main link 153 rotates in opposite directions around the shaft seat three 156, the main link 153 drives the pressing blocks 154 on the two sides of the web of the track 1 to move relatively and clamp the web, and the wedge-shaped locking device 10 locks.
As shown in fig. 2, in the step S3, four limiting holes 154b and four threaded holes 154c are symmetrically formed in the pressing block 154 along the shaft seat two 154a, an adjusting plate 155 is installed on a side surface of the pressing block 154, four limiting pins 155a on one side of the adjusting plate 155 are embedded into the corresponding four limiting holes 154b of the pressing block 154, adjusting bolts 159 are respectively installed in the four threaded holes 154c of the pressing block 154, and the adjusting bolts 159 are rotated to finely adjust a distance between the adjusting plate 155 and a web of the track 1, so that the adjusting plate 155 is tightly attached to the web of the track 1 but is not tightly pressed, the oil cylinder reaction frame 15 is ensured to be able to slide along a central line of the track 1 in an unlocked state, and the oil cylinder reaction frame is able to quickly clamp the track 1 in.
The wedge-shaped locking device 10 further comprises a plurality of locking springs 158, a plurality of blind holes are symmetrically formed in the side faces of the two wedge-shaped limiting blocks 152 along the direction perpendicular to the axis of the track 1, one ends of the locking springs 158 are embedded in the blind holes, and the other ends of the locking springs 158 abut against the side wall of the box body 151; in the steps S1 and S5, when the pushing cylinder 20 is in a non-working state, such as before and after pushing construction, the wedge-shaped slider 11 is not under the pulling force or pushing force of the pushing cylinder 20, the wedge-shaped limit block 152 can be automatically separated from the box 151 under the action of the locking spring 158, so that the wedge-shaped locking device 10 is in an unlocked state, and meanwhile, the wedge-shaped locking device 10 is fastened to the rail 1 by using the clamping assembly, so as to avoid a safety accident caused by the wedge-shaped locking device 10 being separated from the rail 1 in the unlocked state.
The above description is only for the purpose of describing the preferred embodiments of the present invention, and is not intended to limit the scope of the present invention, so that any changes and modifications made by those skilled in the art according to the above disclosure are all within the scope of the appended claims.
Claims (7)
1. Wedge-shaped locking device, characterized in that it comprises: the oil cylinder reaction frame is arranged on the track in a clamped mode, the wedge-shaped sliding block is embedded in a wedge-shaped sliding groove in the inner cavity of the oil cylinder reaction frame, the end portion of the wedge-shaped sliding block is connected with a power device, and the power device drives the wedge-shaped sliding block to slide back and forth along the wedge-shaped sliding groove, so that the wedge-shaped locking device and the track are locked or unlocked.
2. A wedge locking device according to claim 1, wherein: the oil cylinder reaction frame comprises a box body arranged right above the rail, two clamping components are oppositely arranged on two sides of the box body, each clamping component comprises a wedge-shaped limiting block, a main connecting rod, a pressing block, a first shaft seat, a second shaft seat and a third shaft seat, the wedge-shaped limiting block is embedded in the inner cavity of the box body, the first shaft seat connected with the wedge-shaped limiting block penetrates through the side wall of the box body and is hinged to the end portion of the main connecting rod arranged outside the box body, the other end of the main connecting rod extends to a rail web and is hinged to the second shaft seat fixedly connected to the pressing block, the third shaft seat is fixedly connected to the bottom of the first shaft seat and the outer wall of the box body, the third shaft seat is hinged to the main connecting rod, the two wedge-shaped limiting blocks located in the inner cavity of the box body form.
3. A wedge locking device according to claim 2, wherein: the clamping assembly further comprises an adjusting plate arranged on the side face of the pressing block and a plurality of adjusting bolts penetrating through the pressing block, a plurality of limiting holes and a plurality of threaded holes are formed in the pressing block along the axle seat bisymmetry, a plurality of limiting pins corresponding to the limiting holes are arranged on one side, away from the rail web, of the adjusting plate, and the adjusting bolts penetrate through the corresponding threaded holes in the pressing block and then abut against the adjusting plate.
4. A wedge locking device according to claim 3, wherein: one side of the adjusting plate close to the rail web is provided with uniformly distributed convex teeth.
5. A wedge locking device according to claim 2, wherein: the corner of the inner cavity of the box body is symmetrically provided with a pair of limiting steps with rectangular sections, the end part with the largest width of the wedge-shaped sliding block is embedded between the two limiting steps, and the wedge-shaped limiting block is embedded between the limiting steps and the side wall of the box body.
6. A wedge-shaped locking device according to claim 5, characterized in that: the end part of the wedge-shaped sliding block embedded between the two limiting steps is provided with a sliding block guide section, and the sliding block guide section is matched with the cross section of the limiting step.
7. A wedge locking device according to claim 1, wherein: the wedge-shaped locking device further comprises a plurality of locking springs, a plurality of blind holes are symmetrically formed in the side faces of the two wedge-shaped limiting blocks in the direction perpendicular to the axis of the track, one ends of the locking springs are embedded in the blind holes, and the other ends of the locking springs are abutted to the side wall of the box body.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021318863.0U CN212897671U (en) | 2020-07-07 | 2020-07-07 | Wedge-shaped locking device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202021318863.0U CN212897671U (en) | 2020-07-07 | 2020-07-07 | Wedge-shaped locking device |
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| CN212897671U true CN212897671U (en) | 2021-04-06 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113180421A (en) * | 2021-04-27 | 2021-07-30 | 阮潇禾 | Kindergarten environment creation propaganda display device and use method thereof |
| CN114180485A (en) * | 2021-09-14 | 2022-03-15 | 江苏恒立液压股份有限公司 | Multi-action hydraulic actuator |
| CN114406726A (en) * | 2021-12-30 | 2022-04-29 | 浙江佳力风能技术有限公司 | Inclination adjustable workstation |
| CN116441954A (en) * | 2023-06-16 | 2023-07-18 | 中机生产力促进中心有限公司 | Low-speed heavy-load linear motion locking system and locking operation method |
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2020
- 2020-07-07 CN CN202021318863.0U patent/CN212897671U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113180421A (en) * | 2021-04-27 | 2021-07-30 | 阮潇禾 | Kindergarten environment creation propaganda display device and use method thereof |
| CN114180485A (en) * | 2021-09-14 | 2022-03-15 | 江苏恒立液压股份有限公司 | Multi-action hydraulic actuator |
| CN114406726A (en) * | 2021-12-30 | 2022-04-29 | 浙江佳力风能技术有限公司 | Inclination adjustable workstation |
| CN116441954A (en) * | 2023-06-16 | 2023-07-18 | 中机生产力促进中心有限公司 | Low-speed heavy-load linear motion locking system and locking operation method |
| CN116441954B (en) * | 2023-06-16 | 2023-08-15 | 中机生产力促进中心有限公司 | Low-speed heavy-load linear motion locking system and locking operation method |
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