CN212893755U

CN212893755U - Forklift overhead guard damping device

Info

Publication number: CN212893755U
Application number: CN202021905081.7U
Authority: CN
Inventors: 夏昊; 任文月; 刘艳晶
Original assignee: Hebei Longdeyao Machinery Manufacturing Co ltd
Current assignee: Hebei Longdeyao Machinery Manufacturing Co ltd
Priority date: 2020-09-04
Filing date: 2020-09-04
Publication date: 2021-04-06
Anticipated expiration: 2030-09-04

Abstract

The utility model discloses a fork truck overhead guard damping device, including the side frame, the side frame comprises bracing piece and crossbeam, the equal fixedly connected with bracing piece in crossbeam both ends, side frame quantity is established to two, two fixedly connected with dead lever between the crossbeam, the inside fender rod that is provided with that runs through of dead lever, all be equipped with buffering coupling mechanism between crossbeam and the bracing piece, buffering coupling mechanism includes first joint piece, second joint piece, buffer block, fixing bolt and fixation nut, first joint piece both sides all are equipped with the stopper. The utility model discloses a buffer block is to the support of crossbeam and bracing piece among the buffering coupling mechanism, and the vibrations that can avoid fork truck engine to produce are passed through the metal and are directly transmitted to the overhead guard on to reduce the noise that acutely shakes and vibrations produced and to driver's negative effects, establish to the arc through with fender rod one side cross sectional shape, are favorable to increasing the protection angle of fender rod.

Description

Forklift overhead guard damping device

Technical Field

The utility model relates to a fork truck overhead guard field, concretely relates to fork truck overhead guard damping device.

Background

Fork trucks are industrial handling vehicles, and refer to various wheeled handling vehicles that perform handling, stacking, and short-distance transport operations on piece pallet goods. The International organization for standardization ISO/TC110 is referred to as an industrial vehicle. The diesel fork lift truck overhead guard is usually driven by an oil engine or a battery, and is generally rigidly connected with a truck frame by bolts in the prior art.

However, when the forklift truck is actually used, the rigid connection between the forklift truck overhead guard and the frame can cause the vibration generated by the engine to be directly transmitted to the overhead guard through the frame, so that the violent vibration of the overhead guard influences the safe driving of a driver, and meanwhile, when the overhead guard vibrates, because the vibration frequencies of the frame and the overhead guard are different, metal friction sound is easily generated, and noise points are increased.

Therefore, it is necessary to provide a shock absorbing device for a forklift overhead guard to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a fork truck overhead guard damping device, through the support of buffer block to crossbeam and bracing piece among the buffering coupling mechanism, the vibrations that can avoid fork truck engine to produce pass through the metal and directly transmit to overhead guard on to reduce the noise that acutely shakes and shake and produce to driver's negative effects, establish to the arc through establishing fender rod one side cross sectional shape, be favorable to increasing the protection angle of guard plate, with the above-mentioned weak point in the solution technique.

In order to achieve the above object, the present invention provides the following technical solutions: a forklift overhead guard damping device comprises a side frame, wherein the side frame consists of supporting rods and cross beams, the two ends of each cross beam are fixedly connected with the supporting rods, the number of the side frames is two, fixing rods are fixedly connected between the two cross beams, a protective rod penetrates through the inside of each fixing rod, a buffer connecting mechanism is arranged between each cross beam and each supporting rod, each buffer connecting mechanism comprises a first clamping block, a second clamping block, a buffer block, a fixing bolt and a fixing nut, two sides of each first clamping block are respectively provided with a limiting block, a first mounting hole penetrates through the inside of each first clamping block, the number of the first clamping blocks is two, the two first clamping blocks are symmetrically distributed at the central line of the two ends of each cross beam, one side of each second clamping block is provided with a limiting groove, the middle part of each limiting groove is provided with a second mounting hole, and the number of the limiting grooves is two, two the spacing groove is in second joint piece central line department symmetric distribution, second joint piece quantity is established to two, two second joint piece is in bracing piece top central line department symmetric distribution, the stopper is pegged graft mutually with the spacing groove, the buffer block sets up between two first joint pieces and two second joint pieces, fixing bolt runs through first mounting hole and second mounting hole and with fixation nut threaded connection.

Preferably, the first mounting hole and the second mounting hole have elliptical cross-sectional shapes, and the first mounting hole and the second mounting hole are matched.

Preferably, fixing bolt one end is equipped with the gasket, the second mounting hole outside is equipped with the mounting groove, gasket and mounting groove phase-match.

Preferably, the two first clamping blocks and the two second clamping blocks are vertically distributed, and the heights of the two first clamping blocks and the heights of the two second clamping blocks are equal.

Preferably, the height of the buffer block is greater than the heights of the first clamping block and the second clamping block, and the buffer block is made of porous polyurethane material.

Preferably, the dead lever quantity is established to a plurality ofly, and is a plurality of the dead lever is side by side permutation and distributes, the fender rod quantity is established to a plurality ofly, and is a plurality of the fender rod is side by side array distribution, dead lever and fender rod vertical distribution, fender rod one side cross sectional shape establishes to the arc.

In the technical scheme, the utility model provides a technological effect and advantage:

through the support of buffer block to crossbeam and bracing piece among the buffering coupling mechanism, can avoid the vibrations that the fork truck engine produced to pass through the metal and directly transmit to the overhead guard to reduce the noise that violent vibrations and vibrations produced and to driver's negative effects, establish into the arc through with fender rod one side cross sectional shape, be favorable to increasing the protection angle of guard plate.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to these drawings.

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic structural view of the side frame of the present invention;

FIG. 3 is a schematic structural view of the buffer connecting mechanism of the present invention;

FIG. 4 is an enlarged view of the structure of part A of FIG. 1 according to the present invention;

fig. 5 is a schematic structural view of the damping mechanism of the present invention.

Description of reference numerals:

1 side frame, 2 bracing pieces, 3 crossbeams, 4 dead levers, 5 fender rods, 6 buffering coupling mechanism, 7 first joint piece, 8 second joint pieces, 9 buffer blocks, 10 fixing bolt, 11 fixation nut, 12 stopper, 13 first mounting holes, 14 spacing grooves, 15 second mounting holes, 16 damper, 17L shaped plate, 18 damping spring, 19 damping plate.

Detailed Description

In order to make the technical solution of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings.

The utility model provides a forklift overhead guard damping device as shown in figures 1-5, which comprises a side frame 1, wherein the side frame is composed of a support rod 2 and a cross beam 3, the two ends of the cross beam 3 are fixedly connected with the support rod 2, the number of the side frame 1 is two, a fixed rod 4 is fixedly connected between the cross beam 3, a guard rod 5 is arranged inside the fixed rod 4 in a penetrating way, a buffer connecting mechanism 6 is arranged between the cross beam 3 and the support rod 2, the buffer connecting mechanism 6 comprises a first clamping block 7, a second clamping block 8, a buffer block 9, a fixing bolt 10 and a fixing nut 11, two sides of the first clamping block 7 are respectively provided with a stopper 12, a first mounting hole 13 is arranged inside the first clamping block 7 in a penetrating way, the number of the first clamping block 7 is two, the first clamping blocks 7 are symmetrically distributed at the central line of the two ends of the cross beam 3, second joint piece 8 one side is equipped with spacing groove 14, spacing groove 14 middle part is equipped with second mounting hole 15, spacing groove 14 quantity is established to two, two spacing groove 14 is in 8 central lines of second joint piece department symmetric distribution, second joint piece 8 quantity is established to two, two second joint piece 8 is in 2 top central lines of bracing piece department symmetric distribution, stopper 12 pegs graft mutually with spacing groove 14, buffer block 9 sets up between two first joint pieces 7 and two second joint pieces 8, fixing bolt 10 runs through first mounting hole 13 and second mounting hole 15 and with fixing nut 11 threaded connection.

Further, in above-mentioned technical scheme, first mounting hole 13 establishes for oval with second mounting hole 15 cross sectional shape, first mounting hole 13 and second mounting hole 15 phase-match, and first mounting hole 13 establishes for oval with second mounting hole 15 cross sectional shape, is favorable to making to have certain slip space between first joint piece 7 and the second joint piece 8, is favorable to buffer block 9 to carry out elastic deformation.

Further, in the above technical scheme, fixing bolt 10 one end is equipped with the gasket, the 15 outsides of second mounting hole are equipped with the mounting groove, gasket and mounting groove phase-match, gasket and mounting groove are favorable to making things convenient for fixing bolt 10 and fixation nut 11's installation and dismantlement.

Further, in the above technical solution, the two first clamping blocks 7 and the two second clamping blocks 8 are vertically distributed, and the heights of the two first clamping blocks 7 and the two second clamping blocks 8 are equal.

Further, in above-mentioned technical scheme, buffer block 9 highly is greater than first joint piece 7 and the 8 heights of second joint piece, buffer block 9 is made by porous polyurethane material, and buffer block 9 highly is greater than first joint piece 7 and the 8 heights of second joint piece, is favorable to making 9 both ends of buffering contact with crossbeam 3 and bracing piece 2 respectively to the vibrations of 2 transmissions on to the bracing piece are cushioned.

Further, in above-mentioned technical scheme, 4 quantity of dead lever establish to a plurality of, a plurality of dead lever 4 is side by side permutation and distributes, 5 quantity of protective rod establish to a plurality of, a plurality of protective rod 5 is side by side array distribution, dead lever 4 and 5 vertical distributions of protective rod, 5 one side cross sectional shapes of protective rod establish to the arc, and 5 one side cross sectional shapes of protective rod establish to the arc and are favorable to increasing the protection angle of protective rod 5.

Further, in above-mentioned technical scheme, be equipped with damper 16 between 2 and the buffering of bracing piece 9 pieces, damper 16 includes L template 17, the L shaped plate sets up in 2 tops of bracing piece, L template 17 top fixedly connected with damping spring 18, damping spring 18 top is equipped with damping plate 19, screw fixedly connected with fixed plate is passed through to L shaped plate 17 one side, damping spring 18 quantity is established to a plurality ofly, and is a plurality of damping spring 18 in L shaped plate 17 surface evenly distributed, and damper 16 has and can support buffer block 9, is favorable to improving the shock attenuation effect of overhead guard.

The implementation mode is specifically as follows: firstly, an L-shaped plate 17 is placed on the top of a supporting rod 2, and is fixed on the top of the supporting rod 2 through a fixing plate, then a buffer block 9 is arranged on the top of a damping plate 19, a limit block 12 is inserted into a limit groove 14, so that a first clamping block 7 is connected with a second clamping block 8, the buffer block 9 is positioned between the two first clamping blocks 7 and the two second clamping blocks 8, meanwhile, because the buffer block 9 is higher than the first clamping block 7 and the second clamping block 8, the top of the buffer block 9 is attached to the top of a cross beam 3, simultaneously, a fixing bolt 10 is inserted into a first mounting hole 13 and a second mounting hole 15, simultaneously, a fixing nut 11 is in threaded connection with the fixing bolt 10, so that the first clamping block 7 and the second clamping block 8 are fixed and limited, the supporting rod 2 is connected with the cross beam 3, finally, the assembled top protection frame is installed on a forklift frame, when the forklift runs to generate vibration, the vibration is transmitted to the frame by the engine, then the vibration is transmitted to the buffer connecting mechanism 6 at the top of the supporting rod 2 by the frame, the vibration causes slight shake between the first clamping block 7 and the second clamping block 8, and is absorbed by the buffer block 9 between the first clamping block 7 and the second clamping block 8 to a certain extent, so that the vibration generated by the forklift overhead guard is reduced, meanwhile, the buffer block 9 can be tightly attached to the cross beam 3 through the damping spring 18 by the damping plate 19, the vibration can be buffered when the forklift generates larger vibration, the vibration generated by the forklift engine can be prevented from being directly transmitted to the overhead guard through metal by supporting the cross beam 3 and the supporting rod 2 through the buffer block 9 in the buffer connecting mechanism 6, so that the negative influence of severe vibration and noise generated by the vibration on a driver is reduced, by setting the shape of the cross section of one side of the protecting rod 5 into an arc shape, the protection angle of the protection rod 5 is increased, the embodiment specifically solves the problems that vibration generated by an engine can be directly transmitted to the overhead guard through the frame due to rigid connection of the overhead guard and the frame of the forklift existing in the prior art, the overhead guard shakes violently to influence safe driving of a driver, and metal friction sound is easily generated and noise points are increased due to the fact that the frame and the overhead guard have different vibration frequencies during vibration of the overhead guard.

This practical theory of operation:

referring to the attached drawings 1-5 of the specification, the supporting rod 2 is fixed on the top through a fixing plate, then a buffer block 9 is arranged on the top of a damping plate 19, a limiting block 12 is inserted into a limiting groove 14, so that a first clamping block 7 is connected with a second clamping block 8, the buffer block 9 is positioned between the two first clamping blocks 7 and the two second clamping blocks 8, meanwhile, the top of the buffer block 9 is attached to the top of a cross beam 3 because the buffer block 9 is higher than the first clamping blocks 7 and the second clamping blocks 8, a fixing bolt 10 is inserted into a first mounting hole 13 and a second mounting hole 15, a fixing nut 11 is connected with the fixing bolt 10 through threads, so that the first clamping blocks 7 and the second clamping blocks 8 are fixed and limited, the supporting rod 2 is connected with the cross beam 3, finally, the assembled top protection frame is installed on a forklift frame, when the forklift runs to generate vibration, vibrations are transmitted to the frame by the engine, later vibrations are transmitted to the buffering coupling mechanism 6 at 2 tops of bracing piece by the frame on, vibrations make and produce little shake between first joint piece 7 and the second joint piece 8, simultaneously by buffer block 9 between first joint piece 7 and the second joint piece 8 carry out certain absorption, the vibrations that make fork truck protect the roof-rack to produce reduce, simultaneously damping plate 19 can make buffer block 9 closely laminate with crossbeam 3 through damping spring 18, can cushion vibrations when fork truck produces great vibrations simultaneously.

While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the present invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.

Claims

1. The utility model provides a fork truck overhead guard damping device, includes side frame (1), its characterized in that: the side frame comprises supporting rods (2) and cross beams (3), wherein the two ends of each cross beam (3) are fixedly connected with the supporting rods (2), the number of the side frame bodies (1) is two, a fixing rod (4) is fixedly connected between the two cross beams (3), a protection rod (5) penetrates through the inside of each fixing rod (4), a buffering connecting mechanism (6) is arranged between each cross beam (3) and each supporting rod (2), each buffering connecting mechanism (6) comprises a first clamping block (7), a second clamping block (8), a buffering block (9), a fixing bolt (10) and a fixing nut (11), limiting blocks (12) are arranged on the two sides of each first clamping block (7), a first mounting hole (13) penetrates through the inside of each first clamping block (7), the number of the first clamping blocks (7) is two, and the first clamping blocks (7) are symmetrically distributed on the central lines at the two ends of the cross beams (3), second joint piece (8) one side is equipped with spacing groove (14), spacing groove (14) middle part is equipped with second mounting hole (15), spacing groove (14) quantity is established to two, two spacing groove (14) locate the symmetric distribution in second joint piece (8) central line, second joint piece (8) quantity is established to two, two second joint piece (8) locate the symmetric distribution in bracing piece (2) top central line, stopper (12) are pegged graft mutually with spacing groove (14), buffer block (9) set up between two first joint pieces (7) and two second joint pieces (8), fixing bolt (10) run through first mounting hole (13) and second mounting hole (15) and with fixation nut (11) threaded connection.

2. The forklift canopy guard damping device according to claim 1, characterized in that: the cross-sectional shapes of the first mounting hole (13) and the second mounting hole (15) are set to be elliptical, and the first mounting hole (13) is matched with the second mounting hole (15).

3. The forklift canopy guard damping device according to claim 1, characterized in that: fixing bolt (10) one end is equipped with the gasket, second mounting hole (15) outside is equipped with the mounting groove, gasket and mounting groove phase-match.

4. The forklift canopy guard damping device according to claim 1, characterized in that: the two first joint blocks (7) and the two second joint blocks (8) are vertically distributed, and the heights of the first joint blocks (7) and the two second joint blocks (8) are equal.

5. The forklift canopy guard damping device according to claim 1, characterized in that: buffer block (9) height is greater than first joint piece (7) and second joint piece (8) height, buffer block (9) are made by porous polyurethane material.

6. The forklift canopy guard damping device according to claim 1, characterized in that: dead lever (4) quantity is established to a plurality of, and is a plurality of dead lever (4) are side by side permutation and distribute, protection lever (5) quantity is established to a plurality of, and is a plurality of protection lever (5) are side by side array and distribute, dead lever (4) and protection lever (5) vertical distribution, protection lever (5) one side cross sectional shape is established to the arc.

7. The forklift canopy guard damping device according to claim 1, characterized in that: be equipped with damper (16) between bracing piece (2) and buffer block (9), damper (16) include L template (17), the L template sets up in bracing piece (2) top, L template (17) top fixedly connected with damping spring (18), damping spring (18) top is equipped with damping plate (19), screw fixedly connected with fixed plate is passed through to L template (17) one side, damping spring (18) quantity is established to a plurality of, and is a plurality of damping spring (18) are in L template (17) surface evenly distributed.