CN212837051U - Wire pole grudging post device convenient to use - Google Patents

Wire pole grudging post device convenient to use Download PDF

Info

Publication number
CN212837051U
CN212837051U CN202021261880.5U CN202021261880U CN212837051U CN 212837051 U CN212837051 U CN 212837051U CN 202021261880 U CN202021261880 U CN 202021261880U CN 212837051 U CN212837051 U CN 212837051U
Authority
CN
China
Prior art keywords
rod
fixed
frame
pole
mobile jib
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202021261880.5U
Other languages
Chinese (zh)
Inventor
冯庆尧
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tianjin Jinyao Electric Power Development Co ltd
Original Assignee
Tianjin Jinyao Electric Power Development Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Tianjin Jinyao Electric Power Development Co ltd filed Critical Tianjin Jinyao Electric Power Development Co ltd
Priority to CN202021261880.5U priority Critical patent/CN212837051U/en
Application granted granted Critical
Publication of CN212837051U publication Critical patent/CN212837051U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Mutual Connection Of Rods And Tubes (AREA)

Abstract

The utility model discloses a wire pole grudging post device convenient to use, relate to cable erection equipment technical field, including the mobile jib, the one end fixedly connected with mount pad of mobile jib, be fixed with the articulated shaft on the mount pad, the axis direction and the mobile jib length direction of articulated shaft are mutually perpendicular, the both ends of articulated shaft are all rotated and are connected with the assistance pole, the mobile jib is kept away from mount pad one side fixed mounting and is had the install bin, the install bin internal rotation is provided with drum and hand wrench, wire rope has suspended in midair the coaster through the mount pad, the lantern ring has been suspended in midair on the coaster, subaerial material portion that holds in the palm, material portion sets up in subaerial frame and sets up the stabilising arrangement on the frame including the activity, stabilising arrangement is including the fixed annular seat that sets up on the frame. The utility model provides a wire pole grudging post device convenient to use who effectively prevents to the wearing and tearing of wire pole, is convenient for remove and deposit.

Description

Wire pole grudging post device convenient to use
Technical Field
The utility model relates to a cable erection equipment technical field especially relates to a wire pole grudging post device convenient to use.
Background
The tripod pole erecting machine is applied to lifting work of goods such as vertical poles, hoisting lower shaft cables, steel strands and the like. The tripod pole erecting machine is made of aluminum alloy tubes, is safe and reliable, light in dead weight, flexible to apply, convenient and safe, and solves the difficult problems of places where cranes are not easy to carry out and the danger of manual pole erecting.
The utility model with the prior patent grant publication number of CN203097403U discloses a triangular pole erecting machine, which comprises a triangular supporting rod consisting of two auxiliary rods and a main rod, wherein a pulley is suspended at the top of the triangular supporting rod, and a steel wire sleeve for sleeving an electric pole is suspended on the pulley through a hook; the main rod is provided with a winching gear, a steel wire rope connected with the pulley on the winching gear is arranged outside the millstone, and the center of the millstone is fixed with two hand wrenches.
By adopting the technical scheme, in work, one end of the telegraph pole is locked through the steel wire sleeve, and the hand wrench is rotated to take up the wire through the steel wire rope so that the lantern ring drives one end of the vertical rod to lift to perform vertical rod. After the work is finished, the auxiliary rod and the main rod are folded for storage. However, during the working process, the side of the utility pole, which is far away from the lantern ring, continuously rubs against the ground in the lifting process, so that the utility pole is worn, and the quality of the utility pole is affected.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a wire pole grudging post device convenient to use plays the supporting role to the wire pole through the frame, through portable position of supporting the board restriction wire pole, guarantees the stability of wire pole at the promotion in-process, reduces to carry the wearing and tearing of in-process to the wire pole.
The above technical purpose of the present invention can be achieved by the following technical solutions:
a convenient telegraph pole vertical frame device, which comprises a main rod, wherein one end of the main rod is fixedly connected with a mounting seat, an articulated shaft is fixed on the mounting seat, the axial direction of the articulated shaft is vertical to the length direction of the main rod, the two ends of the articulated shaft are both rotatably connected with auxiliary rods, one side of the main rod, which is far away from the mounting seat, is fixedly provided with a mounting box, a wire coil and a manual wrench for driving the wire coil to rotate are rotatably arranged in the mounting box, a steel wire rope is wound on the wire coil, a pulley is suspended on the steel wire rope through the mounting seat, a lantern ring is suspended on the pulley, a material supporting part for supporting a telegraph pole is arranged on the ground, the material supporting part comprises a base movably arranged on the ground and a stabilizing device arranged on the base, the stabilizing device comprises an annular seat fixedly arranged on the base, and the base is provided with a supporting plate moving along the length direction of the base and a moving assembly used for driving the supporting plate to move.
By adopting the technical scheme, in work, the telegraph pole is placed on the base and inserted into the annular base. The moving component drives the abutting plate to move so as to tightly abut and fix the telegraph pole. The lantern ring locks one end of the telegraph pole far away from the base, the manual wrench is rotated to drive the steel wire rope to move upwards, and the telegraph pole is driven to lift up through the pulley. Through the mode, the pole setting work of the telegraph pole is realized, the friction of the telegraph pole in the pole setting process is reduced, and the pole setting effect is improved.
The utility model discloses further set up to: the moving assembly comprises a fixed plate fixedly arranged on the annular seat and a moving screw rod which penetrates through the fixed plate along the sliding direction of the abutting plate through threads, one end of the moving screw rod is rotatably connected with the abutting plate, and a moving hand wheel is coaxially fixed at one end, far away from the abutting plate, of the moving screw rod.
By adopting the technical scheme, the moving hand wheel is rotated to drive the moving screw rod to synchronously rotate, the moving screw rod drives the abutting plate to reciprocate, and telegraph poles with different diameters can be clamped and fixed.
The utility model discloses further set up to: one side of the abutting plate close to the annular seat is in a concave arc shape.
By adopting the technical scheme, the concave arc is convenient to match with the shape of the side wall of the telegraph pole, and the clamping effect of the support plate on the telegraph pole is improved.
The utility model discloses further set up to: two wheel shaft plates which are arranged at intervals along the width direction of the machine base are fixed on one side of the annular base, which is away from the abutting plate, a rotating shaft is horizontally arranged between the two wheel shaft plates in a rotating mode, and trundles are coaxially fixed at two ends of the rotating shaft.
Through adopting above-mentioned technical scheme, the setting of truckle is convenient for remove the frame to arbitrary position to drive the removal of wire pole.
The utility model discloses further set up to: and a tripod is fixed on one side of the annular seat, which is far away from the annular seat.
Through adopting above-mentioned technical scheme, when the frame is vertical state, the setting of tripod can guarantee that the stability of frame stands, and then improves the stability of wire pole.
The utility model discloses further set up to: the main rod and the auxiliary rod both comprise fixed rods and return bent rods hinged to one ends of the fixed rods, far away from the return bent rods, are connected with the hinged shafts, and folding assemblies are arranged between the return bent rods and the fixed rods; the folding assembly comprises a fixed box fixedly arranged on the fixed rod, two opposite side walls of one side, close to the fixed rod, of the return bent rod are provided with convex arc blocks which slide along the radial direction of the return bent rod, and a compression spring is arranged between each convex arc block and the return bent rod; and the fixed box is provided with a round hole clamped with the convex arc block.
Through adopting above-mentioned technical scheme, when not needing the use, rotate the back curved bar, at compression spring's effect convex arc piece and round hole separation, realize buckling upwards of back curved bar, with the great reduction of mobile jib and auxiliary rod length, reduce and deposit the space that occupies, simultaneously, be convenient for transport to the optional position.
The utility model discloses further set up to: one of the bending rods is provided with a binding device which slides along the axial direction of the bending rod, and a binding rope is wound on the binding device.
Through adopting above-mentioned technical scheme, bind the rope and bind each back bending pole and dead lever together, prevent the loose possibility in the transportation, improve the security of transporting.
The utility model discloses further set up to: the main rod is provided with a guide ring.
Through adopting above-mentioned technical scheme, wire rope is difficult to touch the mobile jib and produce wearing and tearing under the spacing of guide ring.
The utility model discloses further set up to: the guide ring comprises two clamping arms which are arranged in an S shape, a first ring and a second ring are formed on the clamping arms in a cross rotating mode and are mutually buckled, a buckling spring is arranged on one side, far away from each other, of each clamping arm, and two ends of each buckling spring are fixedly connected with the two clamping arms respectively.
Through adopting above-mentioned technical scheme, when wire rope fracture or when needing to be changed, rotate two centre gripping arms and be convenient for wire rope's the wearing and tearing of establishing, facilitate the use.
To sum up, the utility model discloses a beneficial technological effect does:
(1) the machine base has a supporting function on the telegraph pole, the telegraph pole is clamped and fixed on the machine base through the movable abutting plate, and the manual wrench is rotated to lift the telegraph pole through the steel wire rope, so that the pole erecting work is realized. By adopting the mode, the friction of the ground to the telegraph pole in the pole erecting process is reduced, the quality of the telegraph pole is ensured, and the pole erecting effect is improved;
(2) the length of the main rod and the auxiliary rod is convenient to reduce through the arrangement of the fixed rod and the return bent rod, the occupied space of the device during storage is reduced, and meanwhile, the device is convenient to move;
(3) the rotation of the rotating hand wheel drives the reciprocating movement of the supporting plate, so that the supporting plate can clamp telegraph poles with different diameters, the stability of the telegraph poles in the pole erecting process is ensured, and the safety in the operation process is improved.
Drawings
FIG. 1 is a schematic view of an embodiment of the present invention taken along a shaft;
fig. 2 is an axial view of an embodiment of the present invention, which is mainly used to show a guide ring;
fig. 3 is a schematic cross-sectional view of an embodiment of the present invention, primarily embodying a folding assembly;
fig. 4 is an axial view of an embodiment of the present invention, which is mainly used to embody a mobile component.
Reference numerals: 1. a main rod; 2. an auxiliary rod; 3. a mounting seat; 4. hinging a shaft; 5. installing a box; 6. wire coils; 7. a wire rope; 8. a manual wrench; 9. a pulley; 10. a collar; 11. fixing the rod; 12. bending the rod back; 13. a folding assembly; 131. A fixing box; 132. a convex arc block; 133. a convex arc groove; 134. a compression spring; 135. a circular hole; 14. a binder; 15. Binding the rope; 16. a guide ring; 161. a clamp arm; 162. a first ring shape; 163. a second ring shape; 164. buckling the spring; 17. a machine base; 18. a wheel axle plate; 19. a rotating shaft; 20. a caster wheel; 21. an annular seat; 22. a tripod; 23. a resisting plate; 24. A moving assembly; 241. a fixing plate; 242. moving the screw rod; 243. the hand wheel is moved.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments.
Referring to fig. 1, a convenient telegraph pole stand device comprises a main rod 1 and two auxiliary rods 2, wherein one end of the main rod 1 is fixedly connected with a mounting seat 3, and a hinge shaft 4 vertically extending from the main rod 1 is fixedly connected to the mounting seat 3. The end parts of the two auxiliary rods 2 are connected with the articulated shaft 4 at an angle. The two auxiliary rods 2 are respectively and rotatably connected to two ends of the hinge shaft 4; when the device works, the main rod 1 and the auxiliary rod 2 form a tripod structure with the top connected and the bottom separated.
The mobile jib 1 is kept away from and is equipped with install bin 5 to assist 2 one side of pole, and install bin 5 is fixed to be set up on mobile jib 1, and 5 internal rotations in install bin are connected with drum 6. A steel wire rope 7 is wound on the wire coil 6, a manual wrench 8 is coaxially fixed at one end of the wire coil 6, a pulley 9 is suspended on the steel wire rope 7 through a fixed pulley, and a lantern ring 10 is suspended on the pulley 9. The ground is provided with a material supporting part which is movably arranged on the ground; in work, the material supporting part clamps and fixes one end of the telegraph pole, the lantern ring 10 is used for locking the other end of the telegraph pole, the wire coil 6 is rotated to take up the steel wire rope 7, the pulley 9 moves upwards, and the telegraph pole is lifted.
Referring to fig. 2, the main rod 1 and the auxiliary rod 2 each include a fixing rod 11, and the fixing rod 11 is connected to the hinge shaft 4. One end of the fixed rod 11 far away from the hinge shaft 4 is hinged with a bending rod 12, and a folding component 13 for fixing the bending rod 12 is arranged between the fixed rod 11 and the bending rod 12.
Referring to fig. 3, the folding assembly 13 includes a fixing box 131, and the fixing box 131 is fixedly disposed on the fixing rod 11. Two convex arc blocks 132 are arranged on the bending rod 12, the two convex arc blocks 132 are respectively arranged on two opposite side walls of the bending rod 12, and the two convex arc blocks 132 are arranged at one end of the bending rod 12 close to the fixed rod 11. Two convex arc grooves 133 are arranged on the bending rod 12, the two convex arc blocks 132 are respectively arranged in the convex arc grooves 133 in a sliding manner along the radial direction of the bending rod 12, and a compression spring 134 is fixed between each convex arc block 132 and the adjacent convex arc groove 133. The fixed box 131 is provided with two round holes 135 which are respectively matched with the two convex arc blocks 132 in a clamping way; in operation, the snap fit engagement of the convex arc blocks 132 with the circular apertures 135 serves to fix the position of the return beam 12.
Referring to fig. 1 and 3, the binding device 14 is disposed on the bending rod 12, and the binding device 14 is slidably disposed along the axial direction of the bending rod 12. A binding rope 15 is wound on the binding device 14; when the main rod 1 and the auxiliary rod 2 do not need to work, the convex arc blocks 132 are separated from the circular holes 135, the bending rods 12 are folded with the fixing rods 11 by swinging the bending rods 12 upwards, and the bending rods 12 are bound together by the binding ropes 15, so that the storage and the transfer are convenient.
Referring to fig. 2, the main rod 1 is provided with a guide ring 16, and the guide ring 16 is detachably disposed. The guide ring 16 includes two holding arms 161, the holding arms 161 are disposed in an S-shape, and the two holding arms 161 are crossed and fastened to each other to form a first ring 162 and a second ring 163. The two clamping arms 161 are rotatably connected at the intersection between the first ring 162 and the second ring 163, a buckling spring 164 is arranged between the two clamping arms 161, the buckling spring 164 is arranged on one side of the second ring 163 away from the first ring 162, and two ends of the buckling spring 164 are respectively fixedly connected with the two clamping arms 161; therefore, the two clamping arms 161 are rotated to clamp the first ring 162 on the main rod 1, the steel wire rope 7 passes through the second ring 163 to be connected with the pulley 9, and the steel wire rope 7 is prevented from touching the main rod 1 under the limit of the second ring 163 to cause abrasion.
Referring to fig. 1 and 4, the material supporting part includes a base 17, a wheel axle plate 18 is disposed on the base 17, and the wheel axle plate 18 is fixedly disposed on one side of the base 17 in the length direction. Two axle plates 18 are arranged at intervals along the width direction of the base 17, and a rotating shaft 19 is rotatably arranged between the two axle plates 18. The two-wheel shaft plate 18 is provided with casters 20 on the sides away from each other, and the two casters 20 are respectively and fixedly arranged at the two ends of the rotating shaft 19 in a coaxial manner; the rotation of the caster 20 will drive the movement of the base 17.
The side of the machine base 17 facing away from the axle plate 18 is provided with a stabilizing device comprising an annular seat 21. The annular seat 21 is fixedly arranged on the base 17, and a tripod 22 is fixed on one side of the base 17, which is far away from the annular seat 21; when the base 17 is vertically arranged, the tripod 22 can play a role of stabilizing the base 17.
Referring to fig. 4, a resisting plate 23 is disposed on one side of the annular seat 21 away from the axle plate 18, and the resisting plate 23 is slidably disposed on the base 17 along a length direction of the base 17. The base 17 is provided with a moving component 24 for driving the abutting plate 23 to slide. One side of the abutting plate 23 close to the annular seat 21 is arranged in an inwards concave arc shape; in operation, the support plate 23 and the annular seat 21 tightly support and fix the telegraph pole, and the arc arrangement ensures the tight support effect.
The moving assembly 24 includes a fixing plate 241, the fixing plate 241 is fixedly disposed on the annular seat 21, and the fixing plate 241 is disposed on a side of the abutting plate 23 away from the annular seat 21. The base 17 is provided with a movable screw rod 242, the movable screw rod 242 is horizontally and rotatably erected on the base 17 and is threaded through the fixing plate 241 along the sliding direction of the abutting plate 23. One end of the movable screw rod 242 close to the abutting plate 23 is rotatably connected with the abutting plate 23, and one end of the movable screw rod 242 far from the abutting plate 23 is coaxially fixed with a movable hand wheel 243; so that rotation of the moving hand wheel 243 will cause the base plate to reciprocate.
The working principle of the embodiment is as follows: in operation, the utility pole is placed on the base 17 with one end thereof vertically penetrating the base 17. The side wall of the utility pole is abutted against the annular seat 21, and the pressing plate 23 is pressed against the opposite side wall of the utility pole by rotating the moving hand wheel 243 through the moving screw rod 242. The collar 10 locks the other end of the pole and the hand wrench 8 is turned to lift the pole by turning the cable 7. In the process, the caster 20 rotates with the movement of the utility pole, and the tripod 22 stably fixes the base 17 on the ground when the utility pole is in the vertical state, so as to realize the pole erecting operation of the utility pole. When main pole 1 and supplementary pole 2 were accomodate to needs, the staff upwards swung back curved bar 12, made convex arc piece 132 and round hole 135 separate, afterwards, used the rope 15 of tying up and binded together each back curved bar 12 and each dead lever 11, reduced the occupation of land space. In this way, the surface abrasion of the telegraph pole in the pole erecting process is effectively prevented.
The above, only do the preferred embodiment of the present invention, not limit the protection scope of the present invention according to this, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims (9)

1. The utility model provides a wire pole grudging post device convenient to use, includes mobile jib (1), the one end fixedly connected with mount pad (3) of mobile jib (1), be fixed with articulated shaft (4) on mount pad (3), the axis direction of articulated shaft (4) is mutually perpendicular with mobile jib (1) length direction, the both ends of articulated shaft (4) are all rotated and are connected with auxiliary rod (2), mount pad (3) one side fixed mounting is kept away from in mobile jib (1) has install box (5), install box (5) internal rotation is provided with drum (6) and is used for driving drum (6) pivoted manual wrench (8), the winding has wire rope (7) on drum (6), wire rope (7) suspend in midair through mount pad (3) has coaster (9), it has lantern ring (10), its characterized in that to suspend in midair on coaster (9): the utility model discloses a support wire pole, including frame (17) and the stabilising arrangement on frame (17), the subaerial material portion that holds in the palm that is used for supporting the wire pole that is equipped with, hold in the palm the material portion including the activity set up in subaerial frame (17) and set up the stabilising arrangement on frame (17), stabilising arrangement is including fixed annular seat (21) that set up on frame (17), be equipped with on frame (17) along frame (17) length direction remove support board (23) and be used for driving to support removal subassembly (24) that board (23) removed.
2. The utility pole stand apparatus of claim 1, wherein: the moving assembly (24) comprises a fixing plate (241) fixedly arranged on the annular seat (21) and a moving screw rod (242) which penetrates through the fixing plate (241) along the sliding direction of the abutting plate (23) in a threaded mode, one end of the moving screw rod (242) is rotatably connected with the abutting plate (23), and a moving hand wheel (243) is coaxially fixed at one end, far away from the abutting plate (23), of the moving screw rod (242).
3. The utility pole stand apparatus of claim 1, wherein: one side of the abutting plate (23) close to the annular seat (21) is in a concave arc shape.
4. The utility pole stand apparatus of claim 1, wherein: one side of the annular seat (21) departing from the abutting plate (23) is fixedly provided with two axle plates (18) which are arranged at intervals along the width direction of the base (17), a rotating shaft (19) is horizontally arranged between the axle plates (18) in a rotating manner, and two ends of the rotating shaft (19) are coaxially fixed with casters (20).
5. The utility pole stand apparatus of claim 4, wherein: and a tripod (22) is fixed on one side of the base (17) far away from the annular base (21).
6. The utility pole stand apparatus of claim 1, wherein: the main rod (1) and the auxiliary rod (2) both comprise a fixed rod (11) and a return rod (12) which is hinged to one end of the fixed rod (11), one end, far away from the return rod (12), of the fixed rod (11) is connected with a hinged shaft (4), and a folding assembly (13) is arranged between the return rod (12) and the fixed rod (11); the folding assembly (13) comprises a fixed box (131) fixedly arranged on the fixed rod (11), two opposite side walls of one side, close to the fixed rod (11), of the bending rod (12) are respectively provided with a convex arc block (132) which slides along the radial direction of the bending rod (12), and a compression spring (134) is arranged between the convex arc block (132) and the bending rod (12); and a round hole (135) clamped with the convex arc block (132) is arranged on the fixed box (131).
7. The utility pole stand apparatus of claim 6, wherein: one of the bending rods (12) is provided with a binding device (14) which slides along the axial direction of the bending rod (12), and a binding rope (15) is wound on the binding device (14).
8. The utility pole stand apparatus of claim 1, wherein: the main rod (1) is provided with a guide ring (16).
9. The utility pole stand apparatus of claim 8, wherein: guide ring (16) include two centre gripping arms (161) that are the S-shaped setting, two centre gripping arm (161) cross rotation is connected and mutual lock is formed with first annular (162) and second annular (163) respectively, two one side is kept away from each other in centre gripping arm (161) is equipped with lock spring (164), the both ends of lock spring (164) respectively with two centre gripping arms (161) fixed connection.
CN202021261880.5U 2020-06-30 2020-06-30 Wire pole grudging post device convenient to use Active CN212837051U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202021261880.5U CN212837051U (en) 2020-06-30 2020-06-30 Wire pole grudging post device convenient to use

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202021261880.5U CN212837051U (en) 2020-06-30 2020-06-30 Wire pole grudging post device convenient to use

Publications (1)

Publication Number Publication Date
CN212837051U true CN212837051U (en) 2021-03-30

Family

ID=75179310

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202021261880.5U Active CN212837051U (en) 2020-06-30 2020-06-30 Wire pole grudging post device convenient to use

Country Status (1)

Country Link
CN (1) CN212837051U (en)

Similar Documents

Publication Publication Date Title
US4810151A (en) Door transporting and mounting machine
JP5026936B2 (en) Derrick for steel tower assembly / disassembly and removal method
JP6209422B2 (en) Telephone pole support device
CN211226043U (en) Movable gantry hanging bracket
CN114560385A (en) Industrial factory building steel structure hoisting device and construction method thereof
US4310098A (en) Portable boom structure
CN110027981B (en) Be used for wire pole production to use hoisting device
CN212837051U (en) Wire pole grudging post device convenient to use
CN106429807B (en) A kind of armoring machine steel tape hoist
JP2017103995A (en) Supporting device for work vehicle
JPH03272998A (en) Method and device for exchanging wire rope of crane
JP2014159331A (en) Hanging device and hanging auxiliary tool
JP2004293136A (en) Base rod device externally mounted on steel tower, and method of constructing steel tower using the same
JPH0722452Y2 (en) Stand type column tool
CN215402535U (en) Metal support hoisting mechanism
CN106241590A (en) A kind of oil drilling tools automatic clamping and placing equipment
JP2000086158A (en) Mobile crane
JP3561177B2 (en) Drumless method and bundle winding / sending device
CN214780418U (en) Glass hoisting frame
CN213894891U (en) Wind power tower cylinder lifting clamp
CN218860211U (en) Auxiliary electric hoisting support for pipeline installation
CN212687422U (en) Portable hoisting device
CN217418015U (en) Lifting device is assisted to material for building engineering
CN213976719U (en) A light crane that is used for helicopter main rotor subassembly and main reducer to maintain
CN220642370U (en) Quick grinding machine with good braking effect

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant