CN208948793U - A kind of buffer gear being moved forward and backward for front loading type forklift gantry - Google Patents
A kind of buffer gear being moved forward and backward for front loading type forklift gantry Download PDFInfo
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- CN208948793U CN208948793U CN201821572990.6U CN201821572990U CN208948793U CN 208948793 U CN208948793 U CN 208948793U CN 201821572990 U CN201821572990 U CN 201821572990U CN 208948793 U CN208948793 U CN 208948793U
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- door frame
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Abstract
The utility model discloses a kind of buffer gears being moved forward and backward for front loading type forklift gantry, including door frame support, the frame panel being mounted on vehicle frame, and are mounted on the first close switch at base-plate both ends, the second close switch；The top end face of the frame panel includes the connecting rod for connecting valve body and control stick by being installed with multitandem valve control device, the multitandem valve control device on middle plate, is installed with guide plate in the connecting rod；It is installed with bracket on middle plate on the outside of guide plate, control switch is installed on the bracket, the control switch is connect close to switch, second close to the power end switched with described first.The utility model by first and second close to switch and control switch in conjunction with judging the moving direction of door frame support and the movement of door frame made to can be realized state first quick and back slow, deceleration buffer when making door frame is forward and backward to be moved to end.
Description
Technical field
The utility model relates to fork truck fields, and in particular to a kind of buffer being moved forward and backward for front loading type forklift gantry
Structure.
Background technique
Battery reach truck is structurally characterized in that door frame can be moved back along before and after the guide rail of vehicle frame branch inboard leg
It is dynamic.It is convenient for forking cargo from shelf when door frame moves forward；When door frame moves back, fall in center of gravity of goods in supporting surface, it is ensured that electricity
Stability when dynamic reach truck operation.The numerical value that speed is setting is moved in front and back, if back-and-forth motion speed setting is bigger,
Biggish impact force can be generated due to inertia, so as to cause door frame shaking, there is hidden danger；If being moved forward and backward speed
Setting value gets over hour, although impact force can reduce when moving on to end before and after door frame, will affect the working efficiency of vehicle.
To solve the above problems, needing to design a kind of buffer deceleration mechanism for being moved on to when end before and after door frame, make door
Frame slowly slows down when being moved forward and backward to end, avoids the shaking of the door frame as caused by the impact of the excessive generation of speed, and guarantee
The working efficiency moved before and after door frame.
Utility model content
The purpose of this utility model is to provide a kind of buffer gear being moved forward and backward for front loading type forklift gantry, the machines
Structure can guarantee the buffer function in shifting final position before and after door frame, avoid the rolling of the door frame as caused by the impact of the excessive generation of speed
It is dynamic, and ensure that the working efficiency moved before and after door frame.
To achieve the above object, the utility model uses following technical scheme:
It is a kind of for front loading type forklift gantry be moved forward and backward buffer gear, including be mounted on vehicle frame door frame support,
Frame panel, and it is mounted on the first close switch at base-plate both ends, the second close switch；The top of the frame panel
Face includes the connection for connecting valve body and control stick by being installed with multitandem valve control device, the multitandem valve control device on middle plate
Bar is installed with guide plate in the connecting rod；It is installed with bracket on middle plate on the outside of guide plate, is installed on the bracket
Control switch, the control switch are connect close to switch, second close to the power end switched with described first.
Further scheme, the control switch include contact, power end, normally open end and normal-closed end, wherein power end and electricity
Source connection, normally open end are connect with first close to the power end switched, and normal-closed end is connect with second close to the power end switched.
Further scheme, the guide plate are mounted in second connecting rod of multitandem valve control device, be pushed forward with it is described
When the control stick of second connecting rod connection, the guide plate is in contact with the contact in control switch and connects control switch
Power supply；The control stick post-tensioning or it is motionless when, the guide plate is not contacted with the contact in control switch, and control switch then disconnects.
The oil inlet end of further scheme, the reach oil cylinder is connect by multitandem valve control device with oil pump, the oil pump
Its revolving speed is controlled by pump motor；The signal receiving end of the pump motor is approached with described first close to switch, second respectively
The signal output end of switch connects.
Further scheme is connected with mounting plate on the base-plate of middle plate side, and described first installs close to switch
In on mounting plate；Described second is installed on the base-plate of door frame support side close to switch.
Further scheme, the described first close switch are normally closed switch, and the second close switch is normal open switch.
Control switch is common in multitandem valve control device in the utility model, structure be it is known, including one
Contact and three ports, respectively power end, normally open end and normal-closed end, wherein power end connects to power supply, normally open end and first
Close to the power end connection of switch, normal-closed end connect with second close to the power end of switch, for control first it is close switch, the
The power supply switching of two close switches.
First close switch is normally closed switch, is closed state under energization normal condition, and sense is worked as in persistent signal output
It is just disconnected when should arrive object, no signal output；Second close switch is normal open switch, is being disconnection under energization normal condition
State, no signal output, is just closed, then output signal when sensing object.
The oil inlet end of reach oil cylinder is connect by multitandem valve control device with oil pump, and the oil pump controls it by pump motor
Revolving speed；The signal receiving end of the pump motor respectively with it is described before, second close to switch signal output end connect, work as reception
To first close to switch or second close to switch signal when, pump motor slow down, the fuel delivery of oil pump is reduced, to control Forward
The movement speed of oil cylinder.The hydraulic oil that i.e. oil pump pumps out within the unit time is reduced, and keeps the hydraulic oil into reach oil cylinder corresponding
It reduces, and then door frame movement speed reduces, and reaches buffering purpose.
I.e. the utility model by first and second close to switch and control switch in conjunction with come the moving direction that judges door frame support
And the movement of door frame is made to can be realized state first quick and back slow, it avoids producing collision and noise.
When by second connecting rod of joystick manipulation, pass through the guide plate and multi-way valve being mounted in second connecting rod
Whether the contact contact of control switch on control device, before control, second close to switching on-off, and then pump speed is adjusted
Come the movement of Shift cylinder before controlling, finally make door frame is forward and backward to realize deceleration buffer when being moved to end.Particularly, it manipulates
When bar is pushed forward, second connecting rod is moved back, and guide plate thereon is contacted with the contact of the control switch on multitandem valve control device,
And the power supply of control switch is connected, the normally open end closure in control switch then first is powered close to switch；Normal-closed end disconnects, then
Second close switch non-transformer.When control stick retreats, guide plate and the contact of the control switch on multitandem valve control device are not connect
Touching, control switch is without electricity, then the normally open end in control switch disconnects, and the first close switch is without electricity；Normal-closed end is closed state, the
Two are powered close to switch.To realize door frame Forward or reach oil cylinder can be made to slow down movement when moving back terminal neighbouring position, keep away
Exempt from the shaking of the door frame as caused by the impact of the excessive generation of speed, and ensure that the working efficiency moved before and after door frame.
As shown from the above technical solution, the utility model is closed control switch whether to control by manipulation bar
One close to switch and second close to switching on-off, and then realizes and slowly slow down when door frame is moved forward and backward to end, avoid by
Door frame caused by impacting caused by speed is excessive shakes.
Detailed description of the invention
Fig. 1 is the utility model structure diagram；
Fig. 2, Fig. 3 are the structural schematic diagrams of multitandem valve control device when control stick is not dynamic；
Fig. 4, Fig. 5 are the structural schematic diagrams of multitandem valve control device when being pushed forward control stick；
The structural schematic diagram of multitandem valve control device when Fig. 6, Fig. 7 are post-tensioning control sticks.
In figure: 1- vehicle frame, 2- reach oil cylinder, 3- mounting plate, 4- first is close to switch, and 5- second is close to be switched, 6- multichannel
Control valve device, 61- control stick, 62- connecting rod, 63- control switch, 64- guide plate, 65- bracket, 66- valve body, plate in 7-,
8- door frame support, 9- base-plate, 10- frame panel.
Specific embodiment
The utility model is described further with reference to the accompanying drawing:
As shown in FIG. 1 to FIG. 7, a kind of buffer gear being moved forward and backward for front loading type forklift gantry, including it is mounted on vehicle
Door frame support 8, frame panel 10 on frame 1, and be mounted on the first of 9 both ends of base-plate and opened close to switch 4, second is close
Close 5；The top end face of the frame panel 10 is by being installed with multitandem valve control device 6, the multitandem valve control device on middle plate 7
6 include the connecting rod 62 of connection valve body 66 and control stick 61, is installed with guide plate 64 in the connecting rod 62；Positioned at guide plate 64
Be installed with bracket 65 on the middle plate 7 in outside, be installed with control switch 63 on the bracket 65, the control switch 63 with it is described
First power end close to switch 4, second close to switch 5 connects.
Further scheme, the control switch 63 include contact, power end, normally open end and normal-closed end, wherein power end with
Power supply connection, normally open end are connect with the power end of the first close switch 4, and normal-closed end is connect with the power end of the second close switch 5.
Further scheme, the guide plate 64 are mounted in second connecting rod of multitandem valve control device 6, are pushed forward and institute
When stating the control stick of second connecting rod connection, the guide plate 64 is in contact with the contact in control switch 63 and connects control
The power supply (such as Fig. 4,5) of switch 63；The control stick post-tensioning or it is motionless when, the guide plate 64 with the contact in control switch 63 not
It contacts (such as Fig. 2,3,6,7), control switch 63 then disconnects.
The oil inlet end of further scheme, the reach oil cylinder 2 is connect by multitandem valve control device 6 with oil pump, the oil
Pump controls its revolving speed by pump motor；The signal receiving end of the pump motor connects with described first close to switch 4, second respectively
The signal output end connection of nearly switch 5.
Further scheme is connected with mounting plate 3, the described first close switch 4 on the base-plate 9 of middle 7 side of plate
It is installed on mounting plate 3；Described second is installed on the base-plate 9 of 8 side of door frame support close to switch 5.
Further scheme, the described first close switch 4 are normally closed switch, and the second close switch 5 is normal open switch.
When by second valve rod of manipulation, by before being controlled whether contact of the multi-way valve control switch with guide plate, second
It is close to switch on-off, and then pump speed is adjusted, it is moved forward and backward door frame to end deceleration buffer.
The course of work of the utility model is as follows:
In no manipulation bar 61, as shown in Figure 2 and Figure 3, valve body 66 is disconnected the connection of reach oil cylinder 2 Yu oil pump
Oil circuit, then door frame attonity.
When being pushed forward control stick 61, as shown in Figure 4, Figure 5, connecting rod 62 is moved backward, and is mounted on leading in connecting rod 63
It is also moved backward therewith to plate 64, the contact of control switch 63 and guide plate 64 are contacted and be closed, the first close 4 energization work of switch
Make, second does not work close to the disconnection of switch 5.When door frame support 8 travels forward with reach oil cylinder 2, because the first close switch 4 is felt
Frame panel 10 should be arrived, so its signal disconnects, no signal output.100mm or so before door frame support 8 is moved to end terminal
When, first is then closed output signal less than frame panel 10 close to the induction of switch 4, then pump motor reduces its turn after receiving signal
Speed is moved to end deceleration buffer before making door frame.
In post-tensioning control stick 61, as shown in Figure 6, Figure 7, connecting rod 62 is moved forward, then is mounted on leading in connecting rod
It is also moved forward therewith to plate 64, the contact of control switch 63 is not contacted with the guide plate 3 in second connecting rod, control switch
63 are in an off state, and first does not work close to the disconnection of switch 4, second works close to the connection circuit of switch 5.Work as door frame
Support 8 moves backward with reach oil cylinder 2, and second does not incude frame panel 10 close to switch 5 when beginning, so no signal is defeated
Out, before door frame support 8 moves back end terminal when 100mm or so, second senses frame panel 10 close to switch 5 and is closed hair
Signal out, then pump motor reduces its revolving speed after receiving signal, is moved to end deceleration buffer before making door frame.
Embodiment described above is only that preferred embodiments of the present invention are described, not practical to this
Novel range is defined, and under the premise of not departing from the spirit of the design of the utility model, those of ordinary skill in the art are to this
The various changes and improvements that the technical solution of utility model is made should all fall into the protection that the utility model claims book determines
In range.
Claims (6)
1. a kind of buffer gear being moved forward and backward for front loading type forklift gantry, including the door frame support being mounted on vehicle frame (1)
(8), frame panel (10), and it is mounted on the first close switch (4) at base-plate (9) both ends, the second close switch (5)；
It is characterized by: the top end face of the frame panel (10) on middle plate (7) by being installed with multitandem valve control device (6), it is described
Multitandem valve control device (6) includes the connecting rod (62) of connection valve body (66) and control stick (61), is consolidated on the connecting rod (62)
Equipped with guide plate (64)；It is installed with bracket (65) on the middle plate (7) on the outside of guide plate (64), it is fixed on the bracket (65)
Have control switch (63), the power supply of the control switch (63) and the described first close switch (4), the second close switch (5)
End connection.
2. buffer gear according to claim 1, it is characterised in that: the control switch (63) include contact, power end,
Normally open end and normal-closed end, wherein power end connects to power supply, and normally open end is connect with first close to the power end for switching (4), normally closed
It holds and is connect with second close to the power end for switching (5).
3. buffer gear according to claim 2, it is characterised in that: the guide plate (64) is mounted on multi-way valve control dress
It sets in second connecting rod of (6), when being pushed forward the control stick connecting with second connecting rod, the guide plate (64) and control
Contact on system switch (63) is in contact and connects the power supply of control switch (63)；The control stick post-tensioning or it is motionless when, it is described to lead
It is not contacted to plate (64) with the contact on control switch (63), control switch (63) then disconnects.
4. buffer gear according to claim 1, it is characterised in that: the multitandem valve control device (6) is by reach oil cylinder
(2) oil inlet end is connect with oil pump, and the oil pump controls its revolving speed by pump motor；The signal receiving end of the pump motor is distinguished
It is connect close to switch (4), second close to the signal output end for switching (5) with described first.
5. buffer gear according to claim 1, it is characterised in that: be located on the base-plate (9) of middle plate (7) side and connect
It is connected to mounting plate (3), described first is installed on mounting plate (3) close to switch (4)；Described second is installed on close to switch (5)
On the base-plate (9) of door frame support (8) side.
6. buffer gear according to claim 1, it is characterised in that: the described first close switch (4) is normally closed switch, the
Two close switches (5) are normal open switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821572990.6U CN208948793U (en) | 2018-09-26 | 2018-09-26 | A kind of buffer gear being moved forward and backward for front loading type forklift gantry |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821572990.6U CN208948793U (en) | 2018-09-26 | 2018-09-26 | A kind of buffer gear being moved forward and backward for front loading type forklift gantry |
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| Publication Number | Publication Date |
|---|---|
| CN208948793U true CN208948793U (en) | 2019-06-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821572990.6U Active CN208948793U (en) | 2018-09-26 | 2018-09-26 | A kind of buffer gear being moved forward and backward for front loading type forklift gantry |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114873527A (en) * | 2022-06-01 | 2022-08-09 | 浙江新柴股份有限公司 | Forklift electric driving hydraulic system and working method thereof |
-
2018
- 2018-09-26 CN CN201821572990.6U patent/CN208948793U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114873527A (en) * | 2022-06-01 | 2022-08-09 | 浙江新柴股份有限公司 | Forklift electric driving hydraulic system and working method thereof |
| CN114873527B (en) * | 2022-06-01 | 2024-01-23 | 浙江新柴股份有限公司 | Electric drive hydraulic system of forklift and working method thereof |
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