CN212893665U - Single-wedge locking device - Google Patents
Single-wedge locking device Download PDFInfo
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- CN212893665U CN212893665U CN202021304650.2U CN202021304650U CN212893665U CN 212893665 U CN212893665 U CN 212893665U CN 202021304650 U CN202021304650 U CN 202021304650U CN 212893665 U CN212893665 U CN 212893665U
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Abstract
The utility model discloses a single wedge locking device relates to construction technical field. The problem of work efficiency low is relied on artifical locking and unblock repeatedly to the counter-force seat that current rail pushing away sliding method construction adopted. The single wedge locking device comprises an oil cylinder reaction frame and a wedge-shaped sliding block, wherein the oil cylinder reaction frame is clamped and fixed on a track, a wedge-shaped groove with the bottom surface communicated with the track is formed in the oil cylinder reaction frame along the length direction of the oil cylinder reaction frame, the wedge-shaped sliding block is embedded in the wedge-shaped groove, one end 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 length direction of the wedge-shaped groove, so that the single wedge locking device is.
Description
Technical Field
The utility model relates to a construction technical field, in particular to single 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 single wedge locking device can automatic locking and unblock.
The utility model provides a technical scheme that its technical problem adopted is: the single-wedge locking device comprises an oil cylinder reaction frame and a wedge-shaped sliding block, the oil cylinder reaction frame is clamped and fixed on the rail, the oil cylinder reaction frame is provided with a bottom surface along the length direction of the oil cylinder reaction frame and is provided with a wedge-shaped groove communicated with the rail, the wedge-shaped sliding block is embedded in the wedge-shaped groove, one end of the wedge-shaped sliding block is connected with the power device, the power device drives the wedge-shaped sliding block to slide back and forth along the length direction of the wedge-shaped groove, and therefore the single-wedge locking device is locked or unlocked between the rails.
The utility model discloses a single wedge locking device, including hydro-cylinder reaction frame and wedge slider, the wedge slider inlays and locates in the wedge groove of hydro-cylinder reaction frame and can slide along its length direction, when power device promoted the wedge slider along wedge groove length direction slip, until wedge slider bottom plane closely offsets with the track upper surface, single wedge locking device automatic locking is in the track; when the power device drives the wedge-shaped sliding block to reversely slide along the length direction of the wedge-shaped groove until the bottom plane of the wedge-shaped sliding block is separated from the upper surface of the track, the single-wedge locking device automatically unlocks and moves along the track; it is visible, the utility model discloses a mode of wedge slider locking changes the frictional force between single wedge locking device and the track to automatic locking and the unblock of realizing single wedge locking device, 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.
Further, hydro-cylinder reaction frame includes the box, sets up relatively and connect in two clamping components of box both sides, the box sets up in the track top and is equipped with bottom surface and the communicating wedge groove of track, every clamping component includes the support of the L shape that two at least intervals set up, and connect in the base plate of support, the vertical portion rigid coupling of support in the box side, the horizontal part of support is located the bottom of pterygoid lamina on the track, the base plate link up set up and rigid coupling in the support horizontal part.
Furthermore, the clamping component further comprises an adjusting plate arranged at the top of the substrate and a plurality of adjusting bolts penetrating through the substrate, a plurality of limiting holes and threaded holes are formed in the substrate, a plurality of limiting pins corresponding to the limiting holes are arranged at the bottom of the adjusting plate, and the adjusting bolts penetrate through the corresponding threaded holes on the substrate and then offset against the adjusting plate located at the top of the corresponding threaded holes.
Furthermore, one side of the adjusting plate, which is close to the upper wing plate of the track, is provided with uniformly distributed convex teeth.
Furthermore, the height of the wedge-shaped surface at the top of the wedge-shaped sliding block is gradually reduced and smoothly transited from one end close to the power device to one end far away from the power device, and the wedge-shaped sliding block is parallel to the wedge-shaped surface of the wedge-shaped groove.
Furthermore, one side of the wedge-shaped sliding block, which is close to the power device, is also provided with a limiting step with a horizontal surface at the top, a horizontal extension section is arranged at the corresponding position of the wedge-shaped groove, and the length of the horizontal extension section is greater than that of the limiting step.
Furthermore, a through hole communicated with the wedge-shaped groove is formed in one side of the box body, one end of the power device penetrates through the through hole to be connected with the wedge-shaped sliding block, and the width of the through hole is smaller than that of the wedge-shaped sliding block.
Furthermore, single wedge locking device still includes reset spring, one side of wedge slider still is equipped with a plurality of blind holes, the blind hole sets up along the length direction of wedge slider, reset spring's one end is inlayed and is located in the blind hole, reset spring's the other end with the lateral wall of wedge groove offsets.
Drawings
Fig. 1 is a perspective view of a single wedge locking device according to an embodiment of the present invention;
fig. 2 is a schematic view of the split oil cylinder reaction frame and wedge-shaped sliding block according to an embodiment of the present invention;
fig. 3 is a schematic view of an unlocked state of the single wedge locking device according to an embodiment of the present invention;
fig. 4 is a schematic view of a locking state of the single wedge locking device according to an embodiment of the present invention;
fig. 5 is a schematic view of a single wedge 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 single wedge locking device 10; a pushing base 30; a jacking cylinder 20; a control center 40;
a wedge-shaped slider 111; a blind hole 112; a cylinder reaction frame 12; a case 121; a limit step 121'; a wedge groove 122; a via 123; a bracket 124; a substrate 125; a limiting hole 126; a threaded hole 127; an adjustment plate 128; an adjusting bolt 129; a return spring 14; a piston rod 21; a cylinder 22; a first oil cylinder mounting seat 24; and a second oil cylinder mounting seat 25.
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. 5, in this embodiment, the single wedge locking device is applied to the pushing construction of a large steel structure as an example, and the pushing construction of the large steel structure is implemented by using the automatic locking and unlocking of the single wedge locking device and the rail, of course, the application of the single wedge locking device of this embodiment is only an example, and is not limited thereto, and the single wedge locking device 10 of this embodiment is described below with reference to fig. 1 to 5, and includes: the single-wedge locking device comprises an oil cylinder reaction frame 12 and a wedge-shaped sliding block 111, wherein the oil cylinder reaction frame 12 is clamped and fixed on a track 1, the oil cylinder reaction frame 12 is provided with a wedge-shaped groove 122, the bottom surface of the wedge-shaped groove 122 is communicated with the track 1, the length direction of the oil cylinder reaction frame 12 is consistent with the extending direction of the track 1, the wedge-shaped sliding block 111 is embedded in the wedge-shaped groove 122 and is connected with a power device, the bottom plane of the wedge-shaped sliding block 111 is in contact with the upper surface of the track 1, and the power device drives the wedge-shaped sliding block 111 to slide back and forth along the length direction of the wedge-shaped groove 122, so that the single-wedge locking device 10 and the track 1 are locked or unlocked; in the unlocking state, the pushing cylinder 20 drives the single-wedge 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 beam for supporting the sliding movement of the large steel structure and the movement and locking of the single wedge locking device 10.
The utility model discloses a single wedge locking device, including hydro-cylinder reaction frame 12 and wedge slider 111, wedge slider 111 inlays and locates in wedge groove 122 of hydro-cylinder reaction frame 12 and can slide along its length direction, and when power device promoted wedge slider 111 and slides along wedge groove 122 length direction, until wedge slider 111 bottom plane closely offsets with track 1 upper surface, single wedge locking device 10 automatic locking is in track 1; when the power device drives the wedge-shaped sliding block 111 to reversely slide along the length direction of the wedge-shaped groove 122 until the bottom plane of the wedge-shaped sliding block 111 is separated from the upper surface of the track 1, the single-wedge locking device 10 automatically unlocks and moves along the track 1; it is visible, the utility model discloses a mode of wedge slider 111 locking changes the frictional force between single wedge locking device 10 and the track 1 to realize single wedge locking device 10's locking and unblock automatically, 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. 2 and 3, the cylinder reaction frame 12 includes a box 121, two clamping assemblies oppositely disposed and connected to two sides of the box 121, the box 121 is disposed on the top of the rail 1 and provided with a wedge-shaped groove 122 whose bottom surface is communicated with the rail 1, each clamping assembly includes at least two supports 124 disposed at intervals and having an L-shaped cross section, and a substrate 125 connected to the supports 124, a vertical portion of the support 124 is fixedly connected to a side surface of the box 121, a horizontal portion of the support 124 is located at the bottom of an upper wing plate of the rail 1, and the substrate 125 is disposed through and fixedly connected to the top of the horizontal portion of the support 124, that is, the box 121 and the substrate 125 are respectively clamped on two sides of the upper wing plate of the rail, and under the extrusion action of the wedge-shaped slider 111 in the box 121, the cylinder reaction frame 12.
As shown in fig. 3, the substrate 125 is provided with a plurality of limiting holes 126 and threaded holes 127, in this embodiment, the limiting holes 126 are uniformly distributed along the central line of the substrate 125, and two threaded holes 127 are symmetrically arranged on two sides of each limiting hole 126; as shown in fig. 4 and 5, the clamping assembly further includes an adjusting plate 128 disposed on the top of the base plate 125, and a plurality of adjusting bolts 129 penetrating through the base plate 125, wherein a plurality of limiting pins corresponding to the limiting holes 126 are disposed on one side of the adjusting plate 128 close to the base plate 125, after the adjusting plate 128 is mounted in place, the plurality of limiting pins are embedded in the corresponding limiting holes 126 on the base plate 125, so as to horizontally limit the adjusting plate 128, and prevent the adjusting plate from moving horizontally, the plurality of adjusting bolts 129 penetrate through the corresponding threaded holes 127 of the base plate 125 and abut against the adjusting plate 128 on the top of the base plate, and the adjusting bolts 129 are rotated to achieve the function of fine-adjusting the distance between the base plate 125 and the adjusting plate 128, so that the cylinder reaction frame 12 can be clamped to the.
Preferably, with reference to fig. 4 and 5, the adjusting plate 128 has evenly-distributed convex teeth on one side thereof close to the upper wing plate of the rail, which is beneficial to improving the friction between the adjusting plate 128 and the rail 1 and ensuring that the cylinder reaction frame 12 can be stably clamped on the rail 1.
As shown in fig. 4 and 5, the height of the wedge-shaped sliding block 111 gradually decreases from the side close to the top thrust cylinder 20 to the side far from the top thrust cylinder 20 and smoothly transitions, and the wedge surface at the top of the wedge-shaped sliding block 111 is a smooth plane and is parallel to the wedge surface of the wedge-shaped groove 122, so that, as shown in fig. 5, when the wedge-shaped sliding block 111 horizontally slides along the length direction of the wedge-shaped groove 122 toward the direction far from the top thrust, the wedge-shaped sliding block 111 pushes the cylinder reaction frame 12 to vertically move upward, increasing the friction force between the cylinder reaction frame 12 and the upper wing plate of the rail, so that the single-wedge locking device 10 is locked on the rail 1, whereas, as shown in fig. 4, when the wedge-shaped sliding block 111 horizontally slides along the length direction of the wedge-shaped groove 122 toward the top thrust direction, the friction force between the cylinder reaction frame 12 and the upper wing plate.
As shown in fig. 4 and 5, a side of the wedge-shaped sliding block 111 close to the jacking cylinder 20 is further provided with a limiting step 121 'with a horizontal top, and a horizontal extension section is arranged at a corresponding position of the wedge-shaped groove 122, and the length of the horizontal extension section is greater than that of the limiting step 121'. The limiting step 121' is used for limiting the wedge-shaped sliding block 111 to move horizontally within a set distance along the length direction of the wedge-shaped groove 122, so that the wedge-shaped sliding block 111 is guaranteed to slide along the central line of the track 1, and the pushing construction is prevented from being influenced by the position deviation in the sliding process.
As shown in fig. 1, the jacking cylinder 20 includes a cylinder body 22 and a piston rod 21 connected to each other, and two cylinder mounting seats, namely a cylinder mounting seat one 24 and a cylinder mounting seat two 25, one end of the cylinder body 22 is provided with a pin hole, one end of the cylinder body 22 is hinged to the cylinder mounting seat one 24 through a pin shaft, the other end of the cylinder mounting seat one 24 is fixedly connected to the jacking seat 30, the other end of the jacking seat 30 is welded to the rear end of the large steel structure, one end of the piston rod 21 is provided with a pin hole, the piston rod 21 is hinged to the cylinder mounting seat two 25 through a pin shaft, and the other end of the cylinder mounting seat two 25 is fixedly connected to the wedge-shaped slider 111 for sliding support of the single wedge.
Referring to fig. 1, a through hole 123 communicated with the wedge groove 122 is formed in one side of the box 121 close to the jacking cylinder 20, the width of the through hole 123 is greater than or equal to the width of the base of the cylinder mounting seat two 25 and smaller than the width of the wedge slider 111, the base of the cylinder mounting seat two 25 is fixedly connected with the wedge slider 111, an ear plate of the cylinder mounting seat two 25 penetrates through the through hole 123 in the side wall of the box 121 to be hinged to the piston rod 21, the through hole 123 enables the piston rod 21 of the jacking cylinder 20 to penetrate through the side wall of the box 121 to push the wedge slider 111 to freely slide along the length direction of the wedge groove 122, and the side wall of the box 121 can also prevent the wedge slider 111 from sliding out of the wedge groove 122 under the.
As shown in fig. 3, 4 and 5, the single-wedge locking device 10 further includes a return spring 14, one side of the wedge-shaped slider 111 close to the jacking cylinder 20 is further provided with a plurality of blind holes 112 along the length direction thereof, the blind holes 112 are symmetrically disposed on two sides of the base of the cylinder mounting seat two 25, one end of the return spring 14 is embedded in the blind hole 112, and the other end of the return spring 14 abuts against the side wall of the wedge-shaped groove 122. When the pushing cylinder 20 is in a non-working state, such as before and after pushing construction, the wedge-shaped sliding block 111 is not subjected to pulling force or pushing force of the pushing cylinder 20, and the reset spring 14 is arranged to push the wedge-shaped sliding block 111 to slide along the wedge-shaped groove 122, so that wedge surfaces of the wedge-shaped sliding block 111 and the wedge-shaped groove 122 are abutted, the single-wedge locking device 10 is ensured to be locked and fixed on a track, and safety accidents in the process of installing and disassembling the pushing device are avoided.
The use method of the single wedge locking device of the present invention is described with reference to fig. 1 to 5, and the specific steps are as follows:
s1: as shown in fig. 1, a single wedge locking device 10 and a jacking seat 30 which are arranged at intervals are arranged right above a parallel track 1 along the central line of the track 1, a jacking oil cylinder 20 is connected between the single wedge locking device 10 and the jacking seat, the single wedge locking device 10 comprises an oil cylinder reaction frame 12 and a wedge-shaped sliding block 111, the oil cylinder reaction frame 12 is clamped and fixed on the track 1, the oil cylinder reaction frame 12 is provided with a wedge-shaped groove 122 with the bottom surface communicated with the track along the length direction of the oil cylinder reaction frame, the wedge-shaped sliding block 111 is embedded in the wedge-shaped groove 122 and hinged with one end of the jacking oil cylinder 20, the other end of the jacking oil cylinder 20 is hinged with the jacking seat 30;
s2: as shown in fig. 4, the control center 40 controls the pushing cylinder 20 to contract, the pushing cylinder 20 drives the wedge-shaped slider 111 to slide along the length direction of the wedge-shaped groove 122 toward the pushing direction and slide to the end of the wedge-shaped groove 122 close to the pushing cylinder 20, so that the single-wedge locking device 10 is in an unlocked state, and the pushing cylinder 20 drives the single-wedge locking device 10 to move along the track 1 toward the pushing direction;
s3: as shown in fig. 5, the control center 40 controls the pushing cylinder 20 to extend, the pushing cylinder 20 pushes the wedge-shaped slider 111 to slide reversely along the length direction of the wedge-shaped groove 122 and to abut against the track 1 tightly, so that the single-wedge locking device 10 is in a locked state, and the other end of the pushing cylinder 20 pushes the large steel structure to move a distance of one cylinder stroke along the track 1 in the pushing direction;
s4: and repeating the steps S2 and S3 until the large steel structure is pushed to the designated position.
In conclusion, the pushing cylinder 20 is retracted, the wedge-shaped sliding block 111 is pulled to slide to the end part of the wedge-shaped groove 122 close to the pushing cylinder 20, the cylinder reaction frame 12 is in an unlocked state, the pushing cylinder 20 pulls the single-wedge locking device 10 to move along the track 1 in the pushing direction, the pushing cylinder 20 is extended, the wedge-shaped sliding block 111 is pushed to slide reversely and tightly abut against the track 1, so that the cylinder reaction frame 12 is in a locked state, the other end of the pushing cylinder 20 pushes the member to be pushed to move along the track 1 in the pushing direction for a distance of one cylinder stroke, and the process is repeated until the member is pushed to the finger position, because the friction force between the single-wedge locking device 10 and the track 1 is changed in a mode of locking the wedge-shaped sliding block 111, the locking and unlocking of the single-wedge locking device 10 are automatically realized, and the automatic pushing construction of the member is avoided, and the manpower and material resources consumption, therefore, the pushing construction efficiency is improved, and the construction safety is ensured.
In the step S1, the oil cylinder reaction frame 12 includes a box 121, two clamping assemblies oppositely disposed and connected to two sides of the box 121, each clamping assembly includes at least two L-shaped brackets 124 disposed at an interval, and a base plate 125 disposed through and fixedly connected to a horizontal portion of the bracket 124, and the two clamping assemblies are fastened to the upper wing plate of the rail, that is, the box 121 and the base plate 125 are respectively clamped on two sides of the upper wing plate of the rail, and under the squeezing action of the wedge-shaped slider 111, the oil cylinder reaction frame 12 is clamped to the upper wing plate of the rail to provide a reaction force for the subsequent pushing construction.
In the step S1, the clamping assembly further includes an adjusting plate 128, the adjusting plate 128 is mounted on the top of a substrate 125 of the clamping assembly, so that a limit pin on one side of the adjusting plate 128 is embedded into a corresponding limit hole 126 on the substrate 125, a convex tooth on the other side of the adjusting plate 128 contacts with the upper wing plate of the rail, adjusting bolts 129 are respectively mounted in threaded holes 127 of the substrate 125, and the adjusting bolts 129 are rotated to finely adjust the distance between the adjusting plate 128 and the upper wing plate of the rail, so that the adjusting plate 128 is tightly attached to the bottom surface of the upper wing plate of the rail but is not compressed, thereby ensuring that the oil cylinder reaction frame 12 can slide along the central line of the rail 1 in the unlocking state, and rapidly clamping the rail 1 in the.
In the steps S1 and S4, the single-wedge locking device 10 further includes a plurality of return springs 14, one end of each return spring 14 is embedded in the blind hole 112 on the side surface of the wedge-shaped slider 111, and the other end of each return spring 14 abuts against the side wall of the wedge-shaped groove 122, so that when the jacking cylinder 20 is in a non-working state, such as before and after jacking construction, the return springs 14 push the wedge-shaped slider 111 to slide along the wedge-shaped grooves 122, so that the wedge-shaped slider 111 abuts against the wedge-shaped surfaces of the wedge-shaped grooves 122, and the single-wedge locking device 10 is ensured to be locked and fixed on a rail, and safety accidents in the process of installing and detaching the jacking.
In the step S3, the pushing cylinder 20 is extended, the pushing cylinder 20 pushes the limit step 121' of the wedge-shaped slider 111 to horizontally slide along the horizontal extension section of the wedge-shaped groove 122, and in the process that the wedge-shaped slider 111 contacts with the wedge-shaped surface of the wedge-shaped groove 122 and continues to slide along the length direction of the wedge-shaped groove 122, the wedge-shaped slider 111 pushes the cylinder reaction frame 12 abutting against the wedge-shaped slider 111 to vertically move upwards, so that the single-wedge locking device 10 tightly clamps the upper wing plate of the track. The limiting step 121' is used for limiting the wedge-shaped sliding block 111 to move horizontally within a set distance along the length direction of the wedge-shaped groove 122, so that the wedge-shaped sliding block 111 is guaranteed to slide along the central line of the track 1, and the pushing construction is prevented from being influenced by the position deviation in the sliding process.
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 (8)
1. Single-wedge locking device, characterized in that it comprises: hydro-cylinder reaction frame and wedge slider, hydro-cylinder reaction frame presss from both sides tightly to be fixed in the track, hydro-cylinder reaction frame along its length direction be equipped with a bottom surface with the communicating wedge groove of track, the wedge slider inlays to be located in the wedge inslot, just the one end and the power device of wedge slider are connected, power device drives the wedge slider is followed the length direction in wedge groove slides back and forth, makes single wedge locking device with locking or unblock between the track.
2. The single-wedge locking device of claim 1, wherein: hydro-cylinder reaction frame includes the box, sets up relatively and connect in two clamping components of box both sides, the box sets up in the track top and is equipped with bottom surface and the communicating wedge groove of track, every clamping component includes the support of the L shape that two at least intervals set up, and connect in the base plate of support, the vertical portion rigid coupling of support in the box side, the horizontal part of support is located the bottom of pterygoid lamina on the track, the base plate link up set up and the rigid coupling in the support horizontal part.
3. The single-wedge locking device of claim 2, wherein: the clamping component is characterized in that the clamping component further comprises a regulating plate arranged at the top of the base plate and a plurality of regulating bolts penetrating through the base plate, a plurality of limiting holes and threaded holes are formed in the base plate, a plurality of limiting pins corresponding to the limiting holes are arranged at the bottom of the regulating plate, and the regulating bolts penetrate through the corresponding threaded holes on the base plate and then offset with the regulating plate located at the top of the regulating plate.
4. A single-wedge locking device according to claim 3, wherein: and one side of the adjusting plate, which is close to the upper wing plate of the track, is provided with uniformly distributed convex teeth.
5. The single-wedge locking device of claim 1, wherein: the height of the wedge-shaped surface at the top of the wedge-shaped sliding block is gradually reduced and smoothly transited from one end close to the power device to one end far away from the power device, and the wedge-shaped sliding block is parallel to the wedge-shaped surface of the wedge-shaped groove.
6. The single-wedge locking device of claim 1, wherein: one side of the wedge-shaped sliding block, which is close to the power device, is also provided with a limit step with the top being a horizontal plane, a horizontal extension section is arranged at the corresponding position of the wedge-shaped groove, and the length of the horizontal extension section is greater than that of the limit step.
7. The single-wedge locking device of claim 2, wherein: one side of the box body is provided with a through hole communicated with the wedge-shaped groove, one end of the power device penetrates through the through hole to be connected with the wedge-shaped sliding block, and the width of the through hole is smaller than that of the wedge-shaped sliding block.
8. The single-wedge locking device of claim 1, wherein: the single-wedge locking device further comprises a reset spring, a plurality of blind holes are further formed in one side of the wedge-shaped sliding block, the blind holes are formed in the length direction of the wedge-shaped sliding block, one end of the reset spring is embedded in the blind holes, and the other end of the reset spring is abutted to the side wall of the wedge-shaped groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021304650.2U CN212893665U (en) | 2020-07-07 | 2020-07-07 | Single-wedge locking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021304650.2U CN212893665U (en) | 2020-07-07 | 2020-07-07 | Single-wedge locking device |
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| Publication Number | Publication Date |
|---|---|
| CN212893665U true CN212893665U (en) | 2021-04-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021304650.2U Active CN212893665U (en) | 2020-07-07 | 2020-07-07 | Single-wedge locking device |
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| CN (1) | CN212893665U (en) |
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