CN212155556U

CN212155556U - Integrated wet brake of diesel fork truck with parking braking machinery removes mechanism

Info

Publication number: CN212155556U
Application number: CN202020312884.5U
Authority: CN
Inventors: 黄飞; 常方坡; 刘海林; 袁正; 仇静
Original assignee: Anhui Heli Co Ltd
Current assignee: Anhui Heli Co Ltd
Priority date: 2020-03-13
Filing date: 2020-03-13
Publication date: 2020-12-15
Anticipated expiration: 2030-03-13

Abstract

The utility model relates to an integrated wet brake of fork truck with parking braking machinery removes mechanism belongs to engineering vehicle stopper technical field. The brake device comprises a left shell, a right shell, a service brake piston assembly, a plurality of separating pieces, a plurality of friction plates, an end plate and a parking brake piston assembly; a pair of unlocking mechanisms is arranged on the outer circumference of the left shell; the unlocking mechanism comprises a release bolt and a transition pin which are coaxial; the release bolt is connected with the left shell through threads, and the transition pin is positioned on the circumference of the service brake piston assembly; when the bolt works normally, the locking plate is clamped in the working clamping groove of the releasing bolt, and one end of the releasing bolt is not contacted with one end of the transition pin; when the parking brake is released, a pair of releasing bolts is screwed, one end of each releasing bolt is in contact with one end of the transition pin, the parking brake piston assembly is driven by the end plate to overcome the spring force, and the manual release of the parking brake is realized. The problem of can't remove the bring because of the braking state when wet-type bridge detects, installs and whole car breakdown maintenance is solved.

Description

Integrated wet brake of diesel fork truck with parking braking machinery removes mechanism

Technical Field

The utility model belongs to the technical field of the engineering vehicle stopper, concretely relates to integrated wet brake of diesel fork truck.

Background

The forklift brake is generally that parking braking and service braking are separated, overall structure is compact inadequately, novel wet driver at home and abroad has adopted the parking and integrated stopper as an organic whole that drives, service braking adopts hydraulic pressure to promote the piston and compresses tightly friction disc and spacer and realizes the braking, and parking braking adopts spring assembly to compress tightly friction disc and spacer and realizes parking braking.

Since the integrated brake generally compresses the friction plate and the spacer by spring force to realize parking brake, as shown in fig. 8, the spring force must be relieved to separate the friction plate from the spacer to realize the movement of the whole vehicle, and the whole vehicle is generally provided with a set of hydraulic relieving system to push a parking piston to overcome the spring force to separate the friction plate from the spacer. However, in the shutdown state, the driver is in the brake lock-up state, and the following defects exist in the production and maintenance of the forklift: the integrated brake wet bridge comprises a brake piston, a brake disc, a brake.

Disclosure of Invention

In order to solve the integrated wet brake's under the lock-up state maintenance problem that removes, the utility model provides an integrated wet brake of fork truck with parking braking machinery removes mechanism.

The diesel fork truck integrated wet brake with the parking brake mechanical release mechanism comprises a left shell 1, a right shell 6, a service brake piston assembly 7, a plurality of spacers 8, a plurality of friction plates 9, an end plate 10 and a parking brake piston assembly 11; the service brake piston assembly 7, the plurality of separation plates 8, the plurality of friction plates 9, the end plate 10 and the parking brake piston assembly 11 realize axial movement in the left shell 1;

a pair of unlocking mechanisms is arranged on the outer circumference of the left shell 1; the unlocking mechanism comprises a coaxially contacted release bolt 2 and a transition pin 5; a pair of release bolts 2 are connected with the left shell 1 through threads, and a pair of transition pins 5 are positioned on the circumference of a service brake piston assembly 7;

when the parking brake is released, a pair of releasing bolts 2 is screwed, the end plate 10 is pushed through the pair of transition pins 5, the parking brake piston assembly 11 is driven to overcome the spring force, and the manual release of the parking brake is realized.

The technical scheme for further limiting is as follows:

the root of the releasing bolt 2 is sequentially provided with a releasing clamping groove 21, a working clamping groove 22 and a sealing groove 23, the releasing clamping groove 21, the working clamping groove 22 and the sealing groove 23 are all annular grooves, and a sealing ring 4 is arranged in the sealing groove 23 in a matched manner; the left shell 1 corresponding to the pair of releasing bolts 2 is respectively provided with a locking plate 3, the locking plate 3 is in a lath shape, one end of the locking plate is fixed on the left shell 1 through a bolt 15, and the other end of the locking plate is in a hook shape; during normal operation, the hook end of the locking plate 3 is matched and clamped in the working clamping groove 22 of the releasing bolt 2, and during parking brake releasing, the hook end of the locking plate 3 is matched and clamped in the releasing clamping groove 21 of the releasing bolt 2.

The cross section of the release slot 21, the cross section of the working slot 22 and the cross section of the sealing slot 23 are all rectangular.

A pair of bolt holes 101 and a pair of pin grooves 102 are respectively and sequentially formed in the left shell 1 corresponding to the release bolt 2 and the transition pin 5; the pin slot 102 is a semi-cylindrical slot, and the bolt hole 101 and the pin slot 102 are coaxial; the circumferences of the spacers 8 of the service brake piston assembly 7 corresponding to the pin grooves 102 are respectively provided with radial grooves 81, and the pin grooves 102 and the grooves 81 correspondingly form pin holes; the bolt 2 is removed from being correspondingly matched with the bolt hole 101, and the transition pin 5 is movably positioned in the bolt hole.

The groove 81 on the circumference of the spacer 8 is an arc groove.

The beneficial technical effects of the utility model are embodied in the following aspects:

1. the utility model discloses can realize that integrated wet brake's parking braking is relieved, solve and detect, install and can't relieve the problem that comes because of wet-type bridge brake state when putting in order car breakdown maintenance at wet-type bridge. The mechanism pushes the transition pin and the end plate to overcome the spring force finally to separate the friction plate and the spacer in the integrated wet brake in a bolt screwing mode, and meanwhile, only the position of the bolt needs to be restored when production and maintenance are completed, and the mechanism is safe and reliable in structure.

2. The utility model discloses a parking braking machinery removes mechanism compact structure, spare part is simple, and manufacturing cost is lower.

3. The utility model discloses a through mechanical structure realize that parking machinery removes and restores, easy operation is convenient, the stable function is reliable.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a cross-sectional view of fig. 1.

Fig. 3 is a schematic view of a parking machine release mechanism in a normal state.

Fig. 4 is a schematic view of the parking machine release mechanism released state.

Fig. 5 is a schematic view of the parking brake release bolt of the present invention.

Fig. 6 is a schematic structural view of the left housing.

FIG. 7 is a schematic view of the structure of the spacer.

Fig. 8 is a partial structural schematic diagram of an integrated wet brake in the prior art.

Part numbers in the drawings: the brake device comprises a left shell 1, a bolt hole 101, a pin groove 102, a release bolt 2, a release clamping groove 21, a working clamping groove 22, a sealing groove 23, a locking plate 3, a sealing ring 4, a transition pin 5, a right shell 6, a service brake piston assembly 7, a spacer 8, a groove 81, a friction plate 9, an end plate 10, a parking brake piston assembly 11, a large spring 12, a small spring 13, a bolt 14 and a bolt 15.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings and examples.

Referring to fig. 1 and 2, the diesel fork lift truck integrated wet brake with a parking brake mechanical release mechanism comprises a left shell 1, a right shell 6, a service brake piston assembly 7, a plurality of spacers 8, a plurality of friction plates 9, an end plate 10 and a parking brake piston assembly 11; the service brake piston assembly 7 comprises a plurality of separation plates 8, a plurality of friction plates 9, an end plate 10 and a parking brake piston assembly 11, and the axial movement is realized in the left shell 1.

A plurality of spring groups consisting of large springs 12 and small springs 13 are arranged in the parking brake piston assembly 11.

Referring to fig. 2, a pair of unlocking mechanisms are provided on the outer circumference of the left housing 1. The unlocking mechanism comprises a coaxial release bolt 2 and a transition pin 5; a pair of release bolts 2 are threadedly connected to the left housing 1, and a pair of transition pins 5 are located on the circumference of a service brake piston assembly 7.

Referring to fig. 6, a pair of bolt holes 101 and a pair of pin grooves 102 are formed in the left housing 1 corresponding to the release bolt 2 and the transition pin 5, respectively. The pin groove 102 is a semi-cylindrical groove, and the bolt hole 101 and the pin groove 102 are coaxial. Referring to fig. 7, radial grooves 81 are respectively formed on the circumferences of the spacers 8 of the service brake piston assembly 7 corresponding to the pin grooves 102, and the grooves 81 are arc grooves; pin holes are correspondingly formed on the pin grooves 102 and the grooves 81; the bolt 2 is removed from being correspondingly matched with the bolt hole 101, and the transition pin 5 is movably positioned in the bolt hole.

Referring to fig. 5, a releasing clamping groove 21, a working clamping groove 22 and a sealing groove 23 are sequentially formed at the root of the releasing bolt 2, the releasing clamping groove 21, the working clamping groove 22 and the sealing groove 23 are all annular grooves, and the cross section of the releasing clamping groove 21, the cross section of the working clamping groove 22 and the cross section of the sealing groove 23 are all rectangular. The sealing groove 23 is internally provided with a sealing ring 4 in a matching way. The left shell 1 corresponding to the pair of releasing bolts 2 is respectively provided with a locking plate 3, the locking plate 3 is in a lath shape, one end of the locking plate is fixed on the left shell 1 through a bolt 15, and the other end of the locking plate is in a hook shape.

Referring to fig. 3, during normal operation, the hook end of the locking piece 3 is engaged and clamped in the working slot 22 of the releasing bolt 2, and one end of the releasing bolt 2 is not in contact with one end of the transition pin 5; when the parking brake is released, the hook end of the locking piece 3 is matched and clamped in the releasing clamping groove 21 of the releasing bolt 2.

Referring to fig. 4, when the parking brake is released, a pair of release bolts 2 are screwed, one end of each release bolt 2 is in contact with one end of each transition pin 5, the end plate 10 is pushed by the pair of transition pins 5, the parking brake piston assembly 11 is driven to overcome the spring force formed by the plurality of spring groups, and the manual release of the parking brake is realized.

Claims

1. The diesel fork truck integrated wet brake with the parking brake mechanical release mechanism comprises a left shell (1), a right shell (6), a service brake piston assembly (7), a plurality of separating pieces (8), a plurality of friction plates (9), an end plate (10) and a parking brake piston assembly (11); service braking piston assembly (7), a plurality of spacer (8), a plurality of friction disc (9), end plate (10) and parking braking piston assembly (11) realize axial displacement, its characterized in that in left casing (1):

a pair of unlocking mechanisms is arranged on the outer circumference of the left shell (1); the unlocking mechanism comprises a coaxial release bolt (2) and a transition pin (5); the pair of releasing bolts (2) are connected with the left shell (1) through threads, and the pair of transition pins (5) are positioned on the circumference of the service brake piston assembly (7);

when the parking brake is released, a pair of releasing bolts (2) is screwed, an end plate (10) is pushed through a pair of transition pins (5) to drive a parking brake piston assembly (11) to overcome the spring force, and the manual release of the parking brake is realized.

2. The integrated wet brake of a diesel lift truck with a parking brake mechanical release mechanism according to claim 1, characterized in that: a releasing clamping groove (21), a working clamping groove (22) and a sealing groove (23) are sequentially formed in the root of the releasing bolt (2), the releasing clamping groove (21), the working clamping groove (22) and the sealing groove (23) are all annular grooves, and a sealing ring (4) is arranged in the sealing groove (23) in a matched mode; locking plates (3) are respectively arranged on the left shell (1) corresponding to the pair of releasing bolts (2), the locking plates (3) are in a strip shape, one end of each locking plate is fixed on the left shell (1) through a bolt (15), and the other end of each locking plate is in a hook shape; when the parking brake is released, the hook end of the locking plate (3) is matched and clamped in a working clamping groove (22) of the releasing bolt (2), and when the parking brake is released, the hook end of the locking plate (3) is matched and clamped in a releasing clamping groove (21) of the releasing bolt (2).

3. The integrated wet brake of a diesel fork lift truck with a parking brake mechanical release mechanism according to claim 2, characterized in that: the cross section of the releasing clamping groove (21), the cross section of the working clamping groove (22) and the cross section of the sealing groove (23) are all rectangular.

4. The integrated wet brake of a diesel lift truck with a parking brake mechanical release mechanism according to claim 1, characterized in that: a pair of bolt holes (101) and a pair of pin grooves (102) are respectively and sequentially formed in the left shell (1) corresponding to the release bolt (2) and the transition pin (5); the pin groove (102) is a semi-cylindrical groove, and the bolt hole (101) and the pin groove (102) are coaxial; radial grooves (81) are respectively formed in the circumferences of the spacers (8) of the service brake piston assemblies (7) corresponding to the pin grooves (102), and pin holes are correspondingly formed in the pin grooves (102) and the grooves (81); the bolt (2) is removed from being correspondingly matched with the bolt hole (101), and the transition pin (5) is movably positioned in the bolt hole.

5. The integrated wet brake of a diesel lift truck with a parking brake mechanical release mechanism according to claim 4, characterized in that: the groove (81) on the circumference of the spacer (8) is an arc groove.