CN113021260B - Device for dismounting bolt by vehicle broach block - Google Patents
Device for dismounting bolt by vehicle broach block Download PDFInfo
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- CN113021260B CN113021260B CN202110288685.4A CN202110288685A CN113021260B CN 113021260 B CN113021260 B CN 113021260B CN 202110288685 A CN202110288685 A CN 202110288685A CN 113021260 B CN113021260 B CN 113021260B
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- cutter head
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
- B25B27/14—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for assembling objects other than by press fit or detaching same
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Abstract
The invention discloses a device for dismantling a bolt by a vehicle broach block, which comprises: the cutter head bracket is used for locking the cutter head; the torque transmission assembly is detachably arranged in a U-shaped inner cavity of the cutter head corresponding to the bolt to be disassembled, and a torque output part of the torque transmission assembly is in locking fit with the head of the bolt to be disassembled; the gear is coaxial with the bolt to be disassembled and is arranged as a torque input part of the torque transmission assembly; a rack engaged with the gear; the guide rail seat is fixedly arranged, and the rack is connected with the guide rail seat in a sliding manner; and when the rack driving part is in a driving state, the rack and the gear sequentially transmit force to form torque for screwing out the bolt to be disassembled. By adopting the scheme of the invention, the bolts to be dismounted on the cutter head can be conveniently dismounted, the maintenance is convenient, and the reliability is good.
Description
Technical Field
The invention relates to the technical field of tool equipment, in particular to a tool for dismounting a bolt for locking a cutter block on a cutter disc.
Background
The crankshaft is one of the core parts in the engine. And (3) roughly machining the main journal of the crankshaft, and turning the surface of the excircle of each gear by a machine tool provided with a cutter head. The process has the characteristics of high production efficiency and good rigidity. However, the cutting parameters of the turning tool at the station are large, and large cutting resistance is generated. Meanwhile, the width cutting size of the riving knife is large, and the riving knife can generate cutting vibration during processing. In order to ensure the reliable connection of the cutter block and the cutter disc under the impact load generated by cutting resistance, M10 fine-tooth bolt connection is adopted. The thread pitch of the fine-thread bolt is small, the helix angle is small, and the thread pair can generate large self-locking force. In actual use, after the new cutter block is installed, in order to ensure the stable and reliable connection of the cutter block, a torque of 60N/M needs to be applied to the M10 bolt. The surface of the bolt head of the cutter head bolt deforms under the action of load caused by long-time bearing of cutting force, and the surfaces of the thread pair adhere. When the new cutter block is disassembled and replaced, the inner hexagonal wrench is difficult to disassemble and easy to slip. The decayed teeth of the inner hexagonal groove of the bolt are easily caused, so that the old cutter block cannot be detached, the whole cutter head is scrapped, even the inner hexagonal wrench is broken off, an operator is suddenly lost, and the safety accident is caused.
Disclosure of Invention
The invention aims to provide a device for dismounting a bolt by a vehicle broach block, which can conveniently dismount the bolt to be dismounted on a cutter head, is convenient to maintain and has good reliability.
The purpose of the invention is realized by the following steps: an apparatus for removing a bolt from a vehicle broach block, comprising:
the cutter head bracket is used for locking the cutter head;
the torque transmission assembly is detachably arranged in a U-shaped inner cavity of the cutter head corresponding to the bolt to be disassembled, and a torque output part of the torque transmission assembly is in locking fit with the head of the bolt to be disassembled;
the gear is coaxial with the bolt to be disassembled and is arranged as a torque input part of the torque transmission assembly;
a rack engaged with the gear;
the guide rail seat is fixedly arranged, and the rack is connected with the guide rail seat in a sliding manner;
and when the rack driving component is in a driving state, the rack and the gear sequentially transmit force to form torque for screwing out the bolt to be disassembled.
Further, when the cutter head is locked by the cutter head support, the cutter head is in a vertical state, the torque transmission assembly, the gear and the bolt to be disassembled are kept in a horizontal state, and the rack and the guide rail seat are vertically arranged.
Furthermore, a rack cylindrical pin extending horizontally is fixedly installed on the rack, the rack cylindrical pin and the rack are perpendicular to each other, and when the rack driving part is in a driving state, the driving force of the rack driving part acts on the rack cylindrical pin so that the rack is subjected to force along the length direction of the rack.
Further, the rack driving part comprises a translational wedge mass block, the wedge mass block is provided with an inclined lower inclined surface, and when the rack driving part is in a driving state, the lower inclined surface of the wedge mass block downwards presses the cylindrical pin of the rack so that the rack is subjected to downward driving force along the length direction of the rack.
Further, the torque transmission assembly comprises an impact sleeve, a gear shaft is coaxially fixed at the shaft end of the gear, which faces the bolt to be disassembled, and one part of the impact sleeve is positioned in the U-shaped inner cavity of the cutter head and is detachably and fixedly connected with the head of the bolt to be disassembled and the gear shaft; the rack driving part also comprises a guide rod, one end of the guide rod is fixedly connected with the wedge mass block, the other end of the guide rod is fixedly connected with a bearing plate, and the guide rod horizontally extends and axially movably penetrates through the other part of the impact sleeve; the wedge mass block and the bearing plate are positioned on two opposite sides of the impact sleeve, the guide rod is sleeved with a spring, the spring and the bearing plate are positioned at one side of the impact sleeve, two ends of the spring are respectively connected with the impact sleeve and the bearing plate, and the spring drives the lower inclined surface of the wedge mass block to translate towards the direction of the rack cylindrical pin at the moment of elastic force release so as to enable the rack cylindrical pin to be driven downwards.
Further, the bearing plate is provided with a striking component which strikes the bearing plate when in use and generates an urging force which urges the wedge mass block to release from the rack cylindrical pin; the impact sleeve is provided with a fixedly arranged supporting seat, the supporting seat is provided with an impact sleeve guide groove parallel to the guide rod, and the impact sleeve is connected with the impact sleeve guide groove in a sliding manner.
Furthermore, the torque transmission assembly further comprises a cushion block, and the cushion block is clamped between the gear and the wall of the U-shaped inner cavity and abuts against the gear in the direction of the bolt to be disassembled along the axis direction of the gear.
Furthermore, the wedge mass block is provided with a mass block locking mechanism, the mass block locking mechanism comprises a handle support and a traction handle, the handle support is fixedly arranged, the traction handle is rotationally connected with the handle support, the traction handle is divided into a handheld end and a hook-type limiting end by taking a fulcrum of the traction handle as a reference, and the wedge mass block is provided with a positioning groove; when the wedge mass block is locked, the hook-shaped limiting end of the traction handle is inserted into the positioning groove of the wedge mass block, and the maximum distance is reserved between the wedge mass block and the rack cylindrical pin in the horizontal direction.
Further, the striking member includes: the striking support is fixedly arranged; the beating rotating shaft is rotationally connected with the beating support; the hand wheel is provided with a handle and is fixedly connected with one shaft end of the beating rotating shaft; the heavy hammer is used for striking the bearing plate and is fixedly connected with the other shaft end of the striking rotating shaft.
Further, the cutter head support is provided with a pair of bottom sliding rails, and the cutter head support is assembled with the bottom sliding rails in a sliding and adjusting mode.
The invention has the beneficial effects that:
1. the bolt to be disassembled on the cutter head can be conveniently disassembled, and in the process of disassembling the bolt to be disassembled, the rack and the gear sequentially transfer force through loading the rack, so that torque for screwing out the bolt to be disassembled is formed;
2. the matching relation of the whole mechanism is exquisite and flexible, the handle is utilized to drive the heavy hammer to rotate, the bearing plate and the wedge mass block are repeatedly beaten to generate impact force along the axial direction of the bolt to be disassembled, delayed torsional impact force is generated by utilizing the matching relation of the rack and the gear, in the actual operation process, the axial impact force and the torsional force are alternately generated, after the bolt to be disassembled is axially impacted, certain rebound can be generated in the process of releasing pressure after the thread is axially pressed, at the moment, the axial tension of the bolt to be disassembled can be partially offset, the friction force between the thread pair can be weakened, and the thread of the bolt to be disassembled can be easily unscrewed along with the alternate action of the axial impact and the torsional impact;
3. the invention mainly improves a pure mechanical structure, has good reliability and is convenient to maintain.
Drawings
Fig. 1 is a first perspective view of the present invention.
Fig. 2 is an enlarged view of the x portion in fig. 1.
Fig. 3 is a second perspective view of the present invention.
FIG. 4 is a schematic view of the installation of the impingement sleeve of the bolt to be removed of the cutterhead during removal.
Fig. 5 is an enlarged view of the ix portion of fig. 4.
Fig. 6 is a schematic view of the axial view of the impeller of the present invention.
Fig. 7 is a schematic view of the bird's-eye view structure of the present invention.
Fig. 8 is an enlarged view of the portion iv in fig. 7.
Fig. 9 is a schematic view of a state where the cutter head is not mounted.
Fig. 10 is a schematic view of a state in which the cutter head is mounted.
Fig. 11 is a schematic view showing a state of completion of installation of the present invention.
FIG. 12 is a schematic view of a tow handle hooking the wedge mass.
FIG. 13 is a schematic view of the towing handle disengaged from the wedge mass.
FIG. 14 is a schematic view of the impact receiving plate.
In the figure, 1 handle, 2 hand wheel, 3 beating rotating shaft, 4 weight, 4a hammer head, 4b swing arm, 5 beating support, 6 bearing plate, 7 guide rod, 8 wedge mass block, 8a lower inclined plane, 8b positioning groove, 9 spring, 10 rack, 11 rack cylindrical pin, 12 guide rail seat, 13 impact sleeve, 14 gear, 14a gear shaft, 14bT block, 15 cushion block, 15aT groove, 16 cutter head, 16 aU-shaped inner cavity, 17 cutter block, 18 bolt to be disassembled, 19 support seat, 19a impact sleeve guide groove, 20 traction handle, 20a hook-shaped limit end, 21 handle support seat, 22 base, 23 cutter head support and 24 bottom slide rail.
Detailed Description
The invention will be further described with reference to the accompanying figures 1-14 and specific examples.
As shown in fig. 1-5, a device for removing a bolt 18 to be removed for connecting a cutter block 17 and a cutter head 16 by a vehicle-mounted broach block, comprises:
a base 22 as a main body platform;
a cutter head holder 23 for locking the cutter head 16;
a pair of bottom slide rails 24 extending horizontally and fixed on the base 22, the cutter head bracket 23 is slidably and adjustably assembled with the bottom slide rails 24, and the locking mode of the cutter head bracket 23 can be a bolt locking mode or a bolt locking mode;
the torque transmission assembly is detachably arranged in a U-shaped inner cavity 16a of the cutter head 16 corresponding to the bolt 18 to be disassembled, and a torque output part of the torque transmission assembly is in locking fit with the head of the bolt 18 to be disassembled;
a gear 14 coaxial with the bolt 18 to be removed, serving as a torque input part of the torque transmission assembly;
a rack 10 engaged with a gear 14;
a guide rail seat 12 fixed on a base 22, wherein the guide rail seat 12 is fixedly arranged, and the rack 10 is connected with the guide rail seat 12 in a sliding manner;
and when the rack driving component is in a driving state, the rack 10 and the gear 14 sequentially transmit force to form torque for screwing out the bolt 18 to be disassembled.
Wherein, the cutterhead bracket 23 enables the cutterhead 16 to be in a vertical state when locking the cutterhead 16, and enables the torque transmission assembly, the gear 14 and the bolt 18 to be disassembled to be in a horizontal state, and the rack 10 and the guide rail seat 12 are vertically arranged.
As shown in fig. 4 and 5, the torque transmission assembly further comprises a cushion block 15, the cushion block 15 is clamped between the gear 14 and the wall of the U-shaped inner cavity 16a and abuts against the gear 14 in the direction of the axis of the gear 14 towards the bolt 18 to be disassembled, the cushion block 15 is provided with a T-shaped groove 15a penetrating through the cushion block, a T-shaped block 14b is fixed at the shaft end of the gear 14 facing the cushion block 15, a T-shaped block 14b is inserted into the T-shaped groove 15a, and when the gear 14 rotates, the T-shaped block 14b synchronously rotates in the T-shaped groove 15a, so that the gear 14 and the rack 10 can be in dynamic meshing effect.
As shown in fig. 13, a horizontally extending rack cylindrical pin 11 is fixedly mounted on the rack 10, the rack cylindrical pin 11 is perpendicular to the rack 10, and when the rack driving member is in a driving state, a driving force thereof acts on the rack cylindrical pin 11 to apply a force to the rack 10 in a longitudinal direction thereof.
The rack driving part comprises a translational wedge mass 8, the wedge mass 8 is provided with an inclined lower inclined surface 8a, and when the rack driving part is in a driving state, the lower inclined surface 8a of the wedge mass 8 is pressed downwards against the rack cylindrical pin 11, so that the rack 10 is driven downwards along the length direction of the rack.
As shown in fig. 3-5, the torque transmission assembly includes an impact sleeve 13, a gear shaft 14a is coaxially fixed on the shaft end of the gear 14 facing the bolt 18 to be removed, a part of the impact sleeve 13 is located in a U-shaped inner cavity 16a of the cutter head 16 and is detachably and fixedly connected with the head of the bolt 18 to be removed and the gear shaft 14a, the impact sleeve 13 has a convex insertion part inserted into an inner hexagonal groove of the head of the bolt 18 to be removed, and the cross-sectional structure of the insertion part of the impact sleeve 13 is matched with the inner hexagonal groove of the head of the bolt 18, so as to facilitate the transmission of torque to the bolt 18 to be removed.
As shown in fig. 13, the rack driving component further includes a guide rod 7, one end of the guide rod 7 is fixedly connected to the wedge mass block 8, the other end of the guide rod 7 is fixedly connected to the receiving plate 6, the guide rod 7 extends horizontally and axially movably penetrates through another portion of the impact sleeve 13, the wedge mass block 8 and the receiving plate 6 are located on opposite sides of the impact sleeve 13, a spring 9 (a strong spring) is sleeved on the guide rod 7, the spring 9 and the receiving plate 6 are located at one side of the impact sleeve 13, two ends of the spring 9 are respectively connected to the impact sleeve 13 and the receiving plate 6, and the spring 9 drives the lower inclined surface 8a of the wedge mass block 8 to translate towards the rack cylindrical pin 11 at the moment of releasing the elastic force so that the rack cylindrical pin 11 receives a downward driving force.
As shown in fig. 3 and 9, the receiving plate 6 is provided with a striking component, and the striking component strikes the receiving plate 6 when in use and generates an urging force for urging the wedge mass block 8 to be loosened from the rack cylindrical pin 11; the impact sleeve 13 is provided with a support 19 fixed to a base 22, the support 19 being provided with an impact sleeve guide groove 19a parallel to the guide rod 7, the impact sleeve 13 being slidably coupled with the impact sleeve guide groove 19a.
As shown in fig. 13, the tapered wedge mass block 8 is configured with a mass block locking mechanism, the mass block locking mechanism includes a handle support 21 and a traction handle 20, the handle support 21 is fixed on a base 22, the traction handle 20 is rotatably connected with the handle support 21, the traction handle 20 is divided into a handheld end and a hook-shaped limit end 20a by taking a fulcrum as a reference, and the tapered wedge mass block 8 is provided with a positioning groove 8b; when wedge mass 8 is locked, hook-shaped limit end 20a of towing handle 20 is fitted into positioning groove 8b of wedge mass 8, and maximum distance is left between wedge mass 8 and rack cylindrical pin 11 in the horizontal direction, as shown in fig. 12.
As shown in fig. 3, 9 and 14, the striking member includes:
the striking support 5 is fixed on the base 22;
the beating rotating shaft 3 is rotationally connected with the beating support 5;
a hand wheel 2 with a handle 1 is fixedly connected with one shaft end of a beating rotating shaft 3;
the heavy hammer 4 for impacting the bearing plate 6 is fixedly connected with the other shaft end of the beating rotating shaft 3.
Wherein, hand handle 1 can drive hand wheel 2 and rotate to drive whole weight 4 and rotate, so as to hit and beat and accept board 6.
In the present embodiment, as shown in fig. 3 and 9, the weight 4 includes a pair of equal-length arms 4b vertically fixed to the axial ends of the striking rotation shaft 3, and a hammer head 4a is integrally fixed to the outer end of each arm 4b, and the receiving plate 6 is struck by the hammer head 4 a.
With reference to fig. 1-14, the steps of this embodiment are as follows:
s1, as shown in FIG. 9, when the cutter head 16 is not installed, the cutter head bracket 23 is far away from the impact sleeve 13 and other parts;
s2, as shown in the figure 10, the cutter head 16 is installed and locked on the cutter head bracket 23;
s3, as shown in the figure 11, moving and adjusting the cutter head support 23 to enable the cutter head support 23 to be close to the impact sleeve 13 and other components continuously, locking the cutter head support 23 by using a fastener or a locking pin and other parts after the cutter head support 23 is moved in place, as shown in the figure 5, enabling a hexagonal inserting part of the impact sleeve 13 to be inserted into an inner hexagonal groove of the bolt 18 to be disassembled, detachably and fixedly inserting (in the embodiment, in threaded connection) the impact sleeve 13 into a gear shaft 14a of the gear 14, inserting a T-shaped block 14b into a T-shaped groove 15a, clamping a cushion block 15 between the gear 14 and the wall of a U-shaped inner cavity 16a, and abutting the gear 14 against the direction of the bolt 18 to be disassembled along the axial direction of the gear 14 so as to transmit torque;
s4, as shown in FIG. 12, inserting the positioning groove 8b of the wedge mass 8 into the hook-shaped limiting end 20a of the traction handle 20 to temporarily lock the position of the wedge mass 8, at this time, the receiving plate 6 compresses the spring 9, and the weight 4 is rotated by the handwheel 2;
s5, as shown in fig. 13, when the weight 4 rotates to a certain initial speed, suddenly releasing the traction handle 20, so that the hook-shaped limiting end 20a is disengaged from the positioning groove 8b of the tapered wedge mass 8, at this time, under the action of the elastic restoring force of the spring 9, the receiving plate 6, the guide rod 7, and the tapered wedge mass 8 rapidly move linearly toward the rack cylindrical pin 11, the lower inclined surface 8a of the tapered wedge mass 8 impacts the rack cylindrical pin 11, thereby generating a downward component force to drive the rack 10 to move downward, at the same time, the rack 10 drives the gear 14 to generate a torsional force, the torque applied to the gear 14 is transmitted to the bolt 18 to be removed, the bolt 18 to be removed is subjected to an instantaneous twisting force, at the same time, the tapered wedge mass 8 and the rack cylindrical pin 11 are in a relatively stopped state, and then, as shown in fig. 14, the hammer head 4a of the weight 4 impacts the receiving plate 6, the spring 9 is compressed, the tapered wedge mass 8 translates leftward along the guide rod 7, and is temporarily disengaged from the rack cylindrical pin 11, and at the same time, the impact sleeve 13 generates an axial force to offset the lower portion of the screw thread (the positive pressure) of the impact force of the screw 18 to be removed;
s6, under the condition that the hammer head 4a of the heavy hammer 4 continuously impacts the bearing plate 6, the bolt 18 to be detached is impacted by alternating load of axial-torsion-axial, and the effect of quickly loosening the bolt 18 to be detached is achieved.
While the preferred embodiments of the present invention have been described, it will be appreciated by those skilled in the art that various changes and modifications may be made therein without departing from the general concept of the invention as defined by the appended claims.
Claims (6)
1. A device for dismounting a bolt by a vehicle broach block is characterized by comprising:
the cutter head bracket (23) is used for locking the cutter head (16);
the torque transmission assembly is detachably arranged in a U-shaped inner cavity (16 a) of the cutter head (16) corresponding to the bolt (18) to be disassembled, and a torque output part of the torque transmission assembly is in locking fit with the head of the bolt (18) to be disassembled;
a gear (14) coaxial with the bolt (18) to be removed, which is provided as a torque input part of the torque transmission assembly;
a rack (10) engaged with the gear (14);
the guide rail seat (12), the guide rail seat (12) is fixedly arranged, and the rack (10) is connected with the guide rail seat (12) in a sliding manner;
the rack driving component is used for sequentially transmitting force to the rack (10) and the gear (14) to form torque for screwing out the bolt (18) to be disassembled when the rack driving component is in a driving state;
wherein, a horizontally extending rack cylindrical pin (11) is fixedly arranged on the rack (10), the rack cylindrical pin (11) is vertical to the rack (10), and when the rack driving component is in a driving state, the driving force of the rack driving component acts on the rack cylindrical pin (11) to enable the rack (10) to be subjected to force along the length direction of the rack driving component;
the rack driving component comprises a translational wedge mass block (8), the wedge mass block (8) is provided with an inclined lower inclined surface (8 a), and when the rack driving component is in a driving state, the lower inclined surface (8 a) of the wedge mass block (8) is pressed downwards against the rack cylindrical pin (11) so that the rack (10) is subjected to downward driving force along the length direction of the rack;
the torque transmission assembly comprises an impact sleeve (13), a gear shaft (14 a) is coaxially fixed at the shaft end of the gear (14) facing the bolt (18) to be disassembled, and a part of the impact sleeve (13) is positioned in a U-shaped inner cavity (16 a) of the cutter head (16) and is detachably and fixedly connected with the head of the bolt (18) to be disassembled and the gear shaft (14 a); the rack driving component further comprises a guide rod (7), one end of the guide rod (7) is fixedly connected with the wedge mass block (8), the other end of the guide rod is fixedly connected with a bearing plate (6), and the guide rod (7) extends horizontally and is axially movably connected with the other part of the impact sleeve (13) in a penetrating mode; the wedge mass block (8) and the bearing plate (6) are positioned on two opposite sides of the impact sleeve (13), the guide rod (7) is sleeved with a spring (9), the spring (9) and the bearing plate (6) are positioned at one side of the impact sleeve (13), two ends of the spring (9) are respectively connected with the impact sleeve (13) and the bearing plate (6), and the spring (9) drives a lower inclined surface (8 a) of the wedge mass block (8) to translate towards the direction of the rack cylindrical pin (11) at the moment of elastic force release so as to enable the rack cylindrical pin (11) to receive downward driving force;
the bearing plate (6) is provided with a striking component, and the striking component strikes the bearing plate (6) when in use and generates an impelling force for impelling the wedge mass block (8) to loosen from the rack cylindrical pin (11); impact cover (13) and dispose fixed supporting seat (19) that set up, supporting seat (19) are equipped with impact cover guide way (19 a) that is on a parallel with guide bar (7), impact cover (13) sliding connection and strike cover guide way (19 a).
2. The apparatus for removing bolts of vehicular broach blocks according to claim 1, characterized in that: when the cutter head support (23) locks the cutter head (16), the cutter head (16) is in a vertical state, the torque transmission assembly, the gear (14) and the bolt (18) to be disassembled are kept in a horizontal state, and the rack (10) and the guide rail seat (12) are vertically arranged.
3. The apparatus for removing bolts of vehicular broach blocks according to claim 1, characterized in that: the torque transmission assembly further comprises a cushion block (15), wherein the cushion block (15) is clamped between the gear (14) and the wall of the U-shaped inner cavity (16 a) and abuts against the gear (14) in the direction of the bolt (18) to be disassembled along the axial direction of the gear (14).
4. The apparatus for removing bolts of vehicular broach blocks according to claim 1, characterized in that: the wedge mass block (8) is provided with a mass block locking mechanism, the mass block locking mechanism comprises a handle support (21) and a traction handle (20), the handle support (21) is fixedly arranged, the traction handle (20) is rotatably connected with the handle support (21), the traction handle (20) is divided into a handheld end and a hook-type limiting end (20 a) by taking a fulcrum of the traction handle as a reference, and the wedge mass block (8) is provided with a positioning groove (8 b); when the wedge mass block (8) is locked, the hook-shaped limiting end (20 a) of the traction handle (20) is inserted into the positioning groove (8 b) of the wedge mass block (8), and the maximum distance is reserved between the wedge mass block (8) and the rack cylindrical pin (11) in the horizontal direction.
5. The apparatus for removing bolt of vehicle broach block according to claim 1, characterized in that: the striking member includes:
the striking support (5) is fixedly arranged;
a striking rotating shaft (3) rotatably connected to the striking support (5);
a hand wheel (2) with a handle (1) is fixedly connected with one shaft end of the beating rotating shaft (3);
a heavy hammer (4) used for impacting the bearing plate (6) is fixedly connected with the other shaft end of the beating rotating shaft (3).
6. The apparatus for removing bolts of a vehicle broach block according to any one of claims 1 to 5, characterized in that: the cutter head support (23) is provided with a pair of bottom sliding rails (24), and the cutter head support (23) is assembled with the bottom sliding rails (24) in a sliding and adjusting mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110288685.4A CN113021260B (en) | 2021-03-18 | 2021-03-18 | Device for dismounting bolt by vehicle broach block |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110288685.4A CN113021260B (en) | 2021-03-18 | 2021-03-18 | Device for dismounting bolt by vehicle broach block |
Publications (2)
| Publication Number | Publication Date |
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| CN113021260A CN113021260A (en) | 2021-06-25 |
| CN113021260B true CN113021260B (en) | 2022-10-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110288685.4A Active CN113021260B (en) | 2021-03-18 | 2021-03-18 | Device for dismounting bolt by vehicle broach block |
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| CN (1) | CN113021260B (en) |
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| GB1562731A (en) * | 1976-11-03 | 1980-03-12 | Press Components Co Ltd | Spanner |
| US5855067A (en) * | 1995-12-08 | 1999-01-05 | Kioritz Corporation | Modular portable power tool |
| WO2009121461A1 (en) * | 2008-04-01 | 2009-10-08 | Kennametal Inc. | Tool for turn-turn broaching or external milling |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB280586A (en) * | 1926-11-13 | 1928-11-15 | Cincinnati Milling Machine Co | Improvements in or relating to methods of and machines for broaching |
| GB1455246A (en) * | 1972-11-23 | 1976-11-10 | Grundy Teddington Ltd | Method of securing and removing a closure fitting into or out from a bunghole collar of a cask |
| JPH05228725A (en) * | 1992-02-17 | 1993-09-07 | Toyoda Mach Works Ltd | Cutting edge tip correcting device |
| CA2597509A1 (en) * | 2004-02-19 | 2005-08-19 | J.C. Steele & Sons, Inc. | Extrusion auger with removable auger segments and removal tool |
| JP2007290587A (en) * | 2006-04-26 | 2007-11-08 | Ntn Corp | Bearing device for driving wheel |
| CN203390875U (en) * | 2013-05-30 | 2014-01-15 | 陈鸿隆 | Rotary positioning structure of knife locking seat |
| CN104976210A (en) * | 2014-04-11 | 2015-10-14 | 刘兴邦 | Double-bolt anti-loose method |
| CN106903656A (en) * | 2017-05-05 | 2017-06-30 | 杭州富阳鸿祥技术服务有限公司 | It is a kind of to break the multifunctional screw driver that hit for indoor decoration |
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2021
- 2021-03-18 CN CN202110288685.4A patent/CN113021260B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1562731A (en) * | 1976-11-03 | 1980-03-12 | Press Components Co Ltd | Spanner |
| US5855067A (en) * | 1995-12-08 | 1999-01-05 | Kioritz Corporation | Modular portable power tool |
| WO2009121461A1 (en) * | 2008-04-01 | 2009-10-08 | Kennametal Inc. | Tool for turn-turn broaching or external milling |
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| Publication number | Publication date |
|---|---|
| CN113021260A (en) | 2021-06-25 |
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