CN219466020U - Engine flywheel stop tool - Google Patents

Abstract

The utility model relates to an engine flywheel stop tool, which comprises a friction mechanism and a clamp mechanism connected and matched with the friction mechanism; the friction mechanism consists of a bottom plate, two sliding rails positioned and connected to the front part of the bottom plate, a sliding block matched between the two sliding rails, a friction block matched in front of the sliding block and two positioning pins matched and connected to the lower part of the front part of the bottom plate, the friction block is correspondingly contacted with a flywheel of an engine, and the two positioning pins are matched and connected with a cylinder body of the engine; the clamping mechanism consists of a guide sleeve positioned and connected at the rear part of the bottom plate of the friction mechanism and a quick clamp matched and connected with the guide sleeve, and the quick clamp of the clamping mechanism is matched and connected with the sliding block of the friction mechanism. The flywheel locking device can reliably stop the flywheel, ensure that the torque limiter is fixed and reliable, is convenient and quick to operate, and improves production efficiency.

Description

Engine flywheel stop tool

Technical Field

The utility model relates to an engine, in particular to an engine flywheel stop tool.

Background

The EA15-AC extended-range engine cancels a flywheel gear ring relative to a traditional engine, so that the flywheel cannot be stopped when the torque limiter is screwed down (the torque limiter is screwed down on the flywheel through 6 bolts, the 6 bolts are uniformly distributed at 360 degrees on the circumference, and if the flywheel is not stopped, the flywheel can rotate around the center when the torque limiter is screwed down), and the screwing down fails. The prior art is to stop the flywheel by using the flywheel gear ring, and the method cannot be directly applied to an EA15-AC engine. Therefore, a new flywheel stop tool is needed to be developed for assisting in assembling the torque limiter on the production line, and the production efficiency is improved.

CN 207983174U discloses "a flywheel stop device", having: the first end of the bracket is provided with a gear latch which can be clamped into the flywheel of the engine; the middle part is nearby to hinge on the support second end, and the length direction of clamp plate and the plane direction of support are crisscross, and clamp plate first end is chucking portion, and the second end is the operating end, can stop the bent axle, installs flywheel bolt.

CN 207983174U discloses a flywheel stopping device for fixing a flywheel of an engine, the engine is provided with a plurality of positioning holes, the flywheel stopping device comprises a meshing tooth block and a bolt, one side of the meshing tooth block is also provided with an auxiliary bolt, the auxiliary bolt is generally L-shaped, the auxiliary bolt comprises a connecting part connected with the meshing tooth block and a plugging part connected with the connecting part, one end of the plugging part is connected with the connecting part, the free end extends towards one positioning hole, and the bolt and the auxiliary bolt are respectively inserted into one positioning hole during installation. When the flywheel stopping device is used, the bolt and the auxiliary bolt are respectively inserted into the two positioning holes of the engine, at the moment, the meshing gear blocks are meshed with the gear teeth of the flywheel, so that the flywheel is fixed, in the process of tightening the flywheel, the tightening force is evenly applied to the bolt and the auxiliary bolt, the bolt and the positioning Kong Songtuo cannot be enabled by the aid of the shared tightening force, and the problem that the flywheel stopping device is loosened due to overlarge moment in the tightening process is solved.

The technical solutions disclosed in both patent documents are not lost as one of the beneficial attempts in the art.

Disclosure of Invention

The utility model aims to provide an engine flywheel stop tool which can reliably stop a flywheel, ensure that a torque limiter is reliably fixed, is convenient and quick to operate and improves production efficiency.

The utility model relates to an engine flywheel stop tool, which comprises a friction mechanism and a clamp mechanism connected and matched with the friction mechanism; the friction mechanism consists of a bottom plate, two sliding rails which are positioned and connected to the front part of the bottom plate, a sliding block which is matched between the two sliding rails, a friction block which is matched in front of the sliding block and two positioning pins which are matched and connected to the lower part of the front part of the bottom plate, wherein the friction block is correspondingly contacted with a flywheel of an engine, and the two positioning pins are matched and connected with a cylinder body of the engine; the clamping mechanism consists of a guide sleeve positioned and connected at the rear part of the bottom plate of the friction mechanism and a quick clamp matched and connected with the guide sleeve, and the quick clamp of the clamping mechanism is matched and connected with the sliding block of the friction mechanism.

Further, the bottom plate is the rectangle of chamfer, is being close to the edge on bottom plate rear portion both sides is equipped with four two pair of symmetrical first screw holes, is being close to the edge on bottom plate front portion both sides is equipped with four two pair of symmetrical second screw holes bottom plate front portion below is equipped with two third screw holes.

Further, the cross sections of the two sliding rails are in an F shape and are in mirror symmetry, two through bolt holes are formed in the edges close to the outer sides of the sliding rails, and sliding grooves are formed in the upper parts of the inner sides of the sliding rails; two bolt holes on the sliding rail correspond to two second threaded holes on one side of the front part of the bottom plate, and are respectively connected and fixed through bolts.

Further, a T-shaped groove is arranged in the middle of the rear side of the sliding block, sliding strips are respectively arranged at the lower parts of the two sides of the sliding block, and a rectangular cavity is arranged at the front side of the sliding block; the sliding strips at the lower parts of the two sides of the sliding block are respectively matched with the sliding grooves at the inner sides of the two sliding rails, and can slide back and forth in the sliding grooves of the two sliding rails.

Further, the front part of the friction block is an arc-shaped part, and the rear part of the friction block is a mounting part; the installation part is in interference fit with the rectangular cavity at the front side of the sliding block, and the arc-shaped part is correspondingly contacted with the flywheel of the engine.

Further, two through holes are respectively formed in the flanges on two sides of the lower end of the guide sleeve of the clamp mechanism, a through hole is respectively formed in the upper portion of two sides of the rear end of the guide sleeve, a guide hole is formed in the middle of the front end of the guide sleeve, and the four through holes on the two side edges of the lower end of the guide sleeve are respectively in one-to-one correspondence with the four first threaded holes on two sides of the rear portion of the bottom plate and are respectively connected and fixed through bolts.

Further, the quick clamp of the clamp mechanism comprises a handle and a telescopic rod with the rear end hinged with the handle, the front end of the telescopic rod penetrates through a guide hole of the guide sleeve to be connected with a hexagonal nut in a matched mode, and the quick clamp further comprises two connecting blocks with one end hinged with through holes on two sides of the guide sleeve and the other end hinged with two sides of the lower end of the handle.

Further, the hexagonal nut matched and connected to the front end of the telescopic rod is matched with the T-shaped groove in the middle of the rear side of the sliding block of the friction mechanism.

Further, the two locating pins of the friction mechanism have the same structure, the upper parts of the two locating pins are threaded sections, and the lower parts of the two locating pins are polished rod sections; the threaded sections of the two locating pins are respectively in one-to-one matching connection with the two third threaded holes on the bottom plate, and the polished rod sections of the two locating pins are respectively in one-to-one matching connection with the two pin holes on the cylinder body of the engine.

Further, the quick clamp of the clamp mechanism is selected from the model WDC36224M.

Because the friction mechanism of frock is assembled in the pinhole of the cylinder body of engine through two locating pins, the clamp mechanism of frock is connected the cooperation with friction mechanism, and the handle of operating clamp mechanism can make friction block of friction mechanism paste the flywheel of engine, makes the flywheel be in fixed state, consequently, when assembling the moment of torsion limiter, can guarantee that the flywheel can not rotate.

The tool is simple in structure, reliable in performance and convenient to install and use, and production efficiency can be improved.

Drawings

FIG. 1 is one of the structural schematic diagrams of the present utility model;

FIG. 2 is a schematic view of a friction mechanism of the present utility model;

FIG. 3 is a schematic view of the clamping mechanism of the present utility model;

FIG. 4 is a schematic view of the floor construction of the friction mechanism;

FIG. 5 is a schematic view of a slide rail structure of the friction mechanism;

FIG. 6 is a schematic illustration of a slider structure of the friction mechanism;

FIG. 7 is a schematic diagram of a friction block configuration of the friction mechanism;

FIG. 8 is a schematic view of the dowel pin structure of the friction mechanism;

FIG. 9 is a schematic view of the guide sleeve structure of the clamping mechanism;

FIG. 10 is a schematic view of the quick clamp configuration of the clamping mechanism;

FIG. 11 is a second schematic diagram of the present utility model;

fig. 12 is a schematic view of the working state of the present utility model.

In the figure (technical features indicated by the marks):

1-friction mechanism, 11-bottom plate, 12-slide rail (two), 13-slide block, 14-friction block, 15-locating pin (two);

111-first threaded holes (four), 112-second threaded holes (four), 113-third threaded holes (two);

121-bolt holes (two), 122-sliding grooves;

131-T-shaped groove, 132-slide bar, 133-rectangular cavity;

141-an arc-shaped part, 142-a mounting part;

151-a threaded section, 152-a polished rod section;

2-clamp mechanism, 21-guide sleeve, 22-quick clamp;

211-via holes, 212-through holes, 213-guide holes;

221-handles, 222-connecting blocks, 223-telescopic rods, 224-hexagonal nuts;

3-a cylinder;

4-flywheel.

Detailed Description

The technical scheme of the utility model is described in detail below with reference to the accompanying drawings.

Referring to fig. 1 to 11, an engine flywheel stop tool comprises a friction mechanism 1 and a clamping mechanism 2 connected and matched with the friction mechanism; the friction mechanism 1 consists of a bottom plate 11, two sliding rails 12 which are positioned and connected to the front part of the bottom plate 1, a sliding block 13 matched between the two sliding rails 12, a friction block 14 matched in front of the sliding block 13 and two positioning pins 15 matched and connected to the lower part of the front part of the bottom plate 1, wherein the friction block 14 is correspondingly contacted with a flywheel 4 of an engine, and the two positioning pins 15 are matched and connected with a cylinder body 3 of the engine; the clamping mechanism 2 consists of a guide sleeve 21 positioned and connected at the rear part of the bottom plate 11 of the friction mechanism 1 and a quick clamp 22 matched and connected with the guide sleeve, and the quick clamp 22 of the clamping mechanism 2 is matched and connected with the sliding block 13 of the friction mechanism 1.

Referring to fig. 4, the bottom plate 11 is in a rounded rectangle, four symmetrical first screw holes 111 are disposed at the edges near the two sides of the rear portion of the bottom plate 11, four symmetrical second screw holes 112 are disposed at the edges near the two sides of the front portion of the bottom plate 11, and two third screw holes 113 are disposed below the front portion of the bottom plate 11.

Referring to fig. 5, the cross sections of the two sliding rails 12 are in an "F" shape and are mirror symmetry, two through bolt holes 121 are provided near the edge of the outer side of the sliding rail 12, and a sliding chute 122 is provided at the upper part of the inner side of the sliding rail 12; the two bolt holes 121 on the slide rail 12 correspond to the two second threaded holes 112 on one side of the front portion of the bottom plate 11, and are respectively connected and fixed by bolts.

Referring to fig. 6, the middle part of the rear side of the sliding block 13 is provided with a T-shaped groove 131, the lower parts of the two sides are respectively provided with a sliding strip 132, and the front side is provided with a rectangular cavity 133; the sliding strips 132 at the lower parts of the two sides of the sliding block 13 are respectively matched with the sliding grooves 122 at the inner sides of the two sliding rails 12, and can slide back and forth in the sliding grooves 122 of the two sliding rails 12.

Referring to fig. 7, the friction block 14 has an arc-shaped portion 141 at the front and a mounting portion 142 at the rear; the mounting portion 142 is in interference fit with the rectangular cavity 133 on the front side of the slider 13, and the arc portion 141 is correspondingly contacted with the flywheel 4 of the engine. The friction 14 block is made of nylon, and the arc-shaped part 141 at the front end is used for contacting with the flywheel 4; the size of the mounting portion 142 at the rear end is slightly larger than the size of the rectangular cavity 133 on the slider 13 to ensure that the friction block 14 is embedded in the slider 13 and does not fall off.

Referring to fig. 9, two through holes 211 are respectively provided on the flanges on two sides of the lower end of the guide sleeve 21 of the clamping mechanism 2, a through hole 212 is respectively provided on the upper part of two sides of the rear end, a guide hole 213 is provided in the middle of the front end, and the four through holes 211 on two side edges of the lower end of the guide sleeve 21 are respectively in one-to-one correspondence with the four first threaded holes 111 on two sides of the rear end of the bottom plate 11, and are respectively fixed by bolting.

Referring to fig. 10, the quick clamp 22 of the clamping mechanism 2 includes a handle 221, a telescopic rod 223 with a rear end hinged to the handle, wherein the front end of the telescopic rod 223 passes through the guiding hole 213 of the guiding sleeve 21 and is connected with a hexagonal nut 224 in a matching manner, and two connecting blocks 222 with one end hinged to the through holes 212 on two sides of the guiding sleeve 21 and the other end hinged to two sides of the lower end of the handle 221 are further included. The quick clamp 22 is a standard part, and the telescopic rod 223 at the front end can be telescopic by adjusting the position of the handle 221; the handle 221 has a locking position at a position vertical and horizontal to the front end portion, i.e., the telescopic rod 223 at the front end has two fixing positions.

Referring to fig. 11, the hexagonal nut 224, which is cooperatively connected to the front end of the telescopic rod 223, is engaged with the T-shaped groove 131 in the middle of the rear side of the slider 13 of the friction mechanism 1.

Referring to fig. 8, the two positioning pins 15 of the friction mechanism 1 have the same structure, the upper parts of the two are screw thread sections 151, and the lower parts of the two are polished rod sections 152; the threaded sections 151 of the two positioning pins 15 are respectively in one-to-one matching connection with the two third threaded holes 113 on the bottom plate 11, and the polished rod sections 152 of the two positioning pins 15 are respectively in one-to-one matching connection with the two pin holes on the cylinder body 3 of the engine. The two positioning pins 15 are assembled in the pin holes of the cylinder body of the engine, the handle 221 of the tool is operated to enable the friction block 14 to be closely attached to the flywheel 4 of the engine, the flywheel position is fixed, and the flywheel cannot rotate when the torque limiter is assembled.

The quick clamp 22 of the clamp mechanism 2 is selected from the model WDC36224M.

Referring to fig. 12, in use, an operator assembles the tool on the cylinder 3 of the engine, and operates the quick clamp 22 to enable the quick clamp to push the friction block 14 at the front end of the friction mechanism 1 to advance and finally cling to the engine to the flywheel 4; the quick clamp 22 is fixed, the friction block 14 and the flywheel 4 are in a close state, and the friction force between the friction block and the flywheel is utilized for stopping the flywheel, so that the position of the flywheel is fixed when the torque limiter is screwed.

Claims (10)

1. The engine flywheel stop tool comprises a friction mechanism (1) and a clamp mechanism (2) connected and matched with the friction mechanism, and is characterized in that: the friction mechanism (1) is composed of a bottom plate (11), two sliding rails (12) which are positioned and connected to the front part of the bottom plate (11), a sliding block (13) which is matched between the two sliding rails (12), a friction block (14) which is matched in front of the sliding block (13) and two positioning pins (15) which are matched and connected to the lower part of the front part of the bottom plate (11), wherein the friction block (14) is correspondingly contacted with a flywheel (4) of an engine, and the two positioning pins (15) are matched and connected with a cylinder body (3) of the engine; the clamping mechanism (2) is composed of a guide sleeve (21) which is positioned and connected at the rear part of a bottom plate (11) of the friction mechanism (1) and a quick clamp (22) which is matched and connected with the guide sleeve, and the quick clamp (22) of the clamping mechanism (2) is matched and connected with a sliding block (13) of the friction mechanism (1).

2. The engine flywheel stop tooling of claim 1, wherein: the bottom plate (11) is in a rounded rectangle, four symmetrical first threaded holes (111) are formed in the edges, close to two sides of the rear portion of the bottom plate (11), of the bottom plate, four symmetrical second threaded holes (112) are formed in the edges, close to two sides of the front portion of the bottom plate (11), of the bottom plate, and two third threaded holes (113) are formed in the lower face of the front portion of the bottom plate (11).

3. The engine flywheel stop tooling of claim 2, wherein: the cross sections of the two sliding rails (12) are in an F shape and are in mirror symmetry, two through bolt holes (121) are formed in the edges close to the outer sides of the sliding rails (12), and a sliding groove (122) is formed in the upper part of the inner sides of the sliding rails (12); two bolt holes (121) on the sliding rail (12) correspond to two second threaded holes (112) on one side of the front part of the bottom plate (11), and are respectively connected and fixed through bolts.

4. The engine flywheel stop tooling of claim 3, wherein: the middle part of the rear side of the sliding block (13) is provided with a T-shaped groove (131), the lower parts of the two sides are respectively provided with a sliding strip (132), and the front side is provided with a rectangular cavity (133); the sliding strips (132) at the lower parts of the two sides of the sliding block (13) are respectively matched with the sliding grooves (122) at the inner sides of the two sliding rails (12), and can slide back and forth in the sliding grooves (122) of the two sliding rails (12).

5. The engine flywheel stop tooling of claim 4, wherein: the front part of the friction block (14) is an arc-shaped part (141), and the rear part is a mounting part (142); the mounting part (142) is in interference fit with the rectangular cavity (133) at the front side of the sliding block (13), and the arc-shaped part (141) is correspondingly contacted with the flywheel (4) of the engine.

6. The engine flywheel stop tooling of claim 5, wherein: the four through holes (211) on the two side edges of the lower end of the guide sleeve (21) of the clamp mechanism (2) are respectively in one-to-one correspondence with the four first threaded holes (111) on the two sides of the rear part of the bottom plate (11), and are respectively fixed through bolt connection.

7. The engine flywheel stop tooling of claim 6, wherein: the quick clamp (22) of the clamp mechanism (2) comprises a handle (221) and a telescopic rod (223) with the rear end hinged with the handle, wherein the front end of the telescopic rod (223) penetrates through a guide hole (213) of the guide sleeve (21) to be connected with a hexagonal nut (224) in a matched mode, and the quick clamp also comprises two connecting blocks (222) with one end hinged with through holes (212) on two sides of the guide sleeve (21) and the other end hinged with two sides of the lower end of the handle (221).

8. The engine flywheel stop tooling of claim 7, wherein: the hexagonal nut (224) which is matched and connected with the front end of the telescopic rod (223) is matched with the T-shaped groove (131) in the middle of the rear side of the sliding block (13) of the friction mechanism (1).

9. The engine flywheel stop tooling of claim 2, wherein: two positioning pins (15) of the friction mechanism (1) have the same structure, the upper parts of the two positioning pins are screw thread sections (151), and the lower parts of the two positioning pins are polished rod sections (152); the threaded sections (151) of the two locating pins (15) are respectively in one-to-one corresponding fit connection with the two third threaded holes (113) on the bottom plate (11), and the polished rod sections (152) of the two locating pins (15) are respectively in one-to-one corresponding fit with the two pin holes on the cylinder body (3) of the engine.

10. The engine flywheel stop tooling of claim 2, wherein: the model WDC36224M is selected as a quick clamp (22) of the clamp mechanism (2).