CN104477246A - Protective arm device and electric pallet truck with same - Google Patents
Protective arm device and electric pallet truck with same Download PDFInfo
- Publication number
- CN104477246A CN104477246A CN201410696716.XA CN201410696716A CN104477246A CN 104477246 A CN104477246 A CN 104477246A CN 201410696716 A CN201410696716 A CN 201410696716A CN 104477246 A CN104477246 A CN 104477246A
- Authority
- CN
- China
- Prior art keywords
- arm
- assembly
- shaft sleeve
- rest frame
- turning cylinder
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D25/00—Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Fluid-Damping Devices (AREA)
- Ladders (AREA)
Abstract
The invention discloses a protective arm device and an electric pallet truck with the same. The protective arm device comprises an arm-rest frame assembly and an arm-rest assembly rotationally arranged on the armrest assembly, wherein the armrest frame assembly is provided with a locking mechanism used for locking the arm-rest assembly. According to the protective arm device of the electric pallet truck provided by the invention, the arm-rest assembly can be locked by installing the locking mechanism capable of applying the locking force to the arm-rest assembly to prevent the arm-rest assembly from swinging and shaking in the using process, and prevent a safety accident that an operator is thrown out the truck, so as to improve the using safety; furthermore, the functions of limit and protection can be realized by providing a limit structure and a proximity switch, therefore the using safety can be furthermore improved.
Description
Technical field
The invention belongs to storage car technical field, specifically, the present invention relates to a kind of protection arm device and there is its electric pallet truck.
Background technology
Along with the fast development of current logistics, and the enhancing of people's energy-conserving and environment-protective consciousness, enterprise is increasing to electronic storage car demand, and this also means also more and more higher to the performance requriements of electronic storage car.
Formula electric pallet truck is driven at the station of existing Armrest, and part armrest mechanism is simple, and poor stability, without latching device, spacing size is non-adjustable, and lacks speed-limit device, very dangerous.Because in the process travelled, operator can travel because of carelessness or short range, do not opened by handrail and just operate, or handrail is not locked, and produces to wave and rocks, easily occur that operating personal throws away the safety misadventure outside car like this when the speed of a motor vehicle is too fast.
Summary of the invention
The present invention is intended at least to solve one of technical matters existed in prior art.For this reason, the invention provides a kind of protection arm device and have its electric pallet truck, object improves safety in utilization.
To achieve these goals, the technical scheme that the present invention takes is: a kind of protection arm device, comprise arm-rest frame assembly and the arm assembly of rotary setting on arm-rest frame assembly, arm-rest frame assembly and/or arm assembly are provided with the catch gear for making arm assembly lock.
The rotation centerline of described arm assembly is positioned at vertical plane.
Described arm assembly is provided with two, and two arm assemblies are located at the two ends, left and right of described arm-rest frame assembly.
Described catch gear comprises gas spring assembly, and gas spring assembly one end is connected with described arm-rest frame assembly, and the other end is connected with described arm assembly, and gas spring assembly is closed at arm assembly or locked to make it arm assembly applied thrust when opening.
It is inner that described gas spring is positioned at described arm-rest frame assembly.
Described arm assembly comprises handrail body, turning cylinder, is fixedly connected with and sheathed Upper shaft sleeve on the rotating shaft and Lower shaft sleeve that is on the rotating shaft sheathed and that be fixedly connected with described arm-rest frame assembly with handrail body, and Lower shaft sleeve is positioned at below Upper shaft sleeve.
Described Upper shaft sleeve and described turning cylinder are by pinned connection, and Upper shaft sleeve and turning cylinder are provided with the hole allowing bearing pin pass.
Described bearing pin is elastic cylindrical pin.
Described arm assembly also comprises the positioning plate be fixedly connected with described turning cylinder, and described gas spring assembly is connected with positioning plate.
Described arm-rest frame assembly is provided with and matches with described positioning plate and for carrying out the first spacing caging bolt to described arm assembly when being in open mode.
Described first caging bolt and coaming plate that described arm-rest frame assembly is vertically arranged for being threaded, the axis of the first caging bolt and the axis perpendicular of described turning cylinder.
The sidewall of described limiting stopper is provided with the first position-limited trough allowing described first caging bolt embed.
Described arm-rest frame assembly is provided with and matches with described positioning plate and for carrying out the second spacing caging bolt to described arm assembly when being in closed condition.
Described second caging bolt and the coaming plate that described arm-rest frame assembly is vertically arranged are for being threaded, and the sidewall of the axis of the second caging bolt and described coaming plate is perpendicular.
The sidewall of described positioning plate is provided with the second position-limited trough allowing described second caging bolt embed, and the second position-limited trough and described first position-limited trough are located on two relative sidewalls of positioning plate.
Described arm-rest frame assembly is provided with and matches with described positioning plate and proximity switch for receiving positioning plate swing offset signal.
The top of described Upper shaft sleeve is provided with for handrail screw that is spacing and that be connected with described turning cylinder.
The upper end of described turning cylinder is provided with the boss for described Upper shaft sleeve axial limiting.
The lower end of described positioning plate and described turning cylinder is welded to connect.
Described positioning plate is positioned at below described turning cylinder, and is fixedly connected with described steering shaft by bolt.
The present invention also provides a kind of electric pallet truck, comprises above-mentioned protection arm device.
Electric pallet truck protection arm device of the present invention, by arranging the catch gear that can apply coupling mechanism force to arm assembly, realize the locking of arm assembly, avoid in use arm assembly generation to wave to rock, the safety misadventure avoiding operating personal to throw away outside car occurs, thus can improve safety in utilization; And, by arranging position limiting structure and proximity switch, realizing function that is spacing and protection, thus further can improve safety in utilization.
Accompanying drawing explanation
This specification sheets comprises the following drawings, shown content respectively:
Fig. 1 is the exploded perspective view of the first structural shielding arm assembly;
Fig. 2 be arm assembly with caging bolt coordinate schematic diagram;
Fig. 3 is that arm assembly is being in the schematic diagram (arranging a caging bolt) of opening and closing state;
Fig. 4 is speed-limiting protection schematic diagram;
Fig. 5 is that arm assembly is being in the schematic diagram (arranging two caging bolts) of opening and closing state;
Fig. 6 is A place enlarged drawing in Fig. 5;
Fig. 7 is the exploded perspective view of the second structural shielding arm assembly;
Fig. 8 is the turning cylinder of the first structure and the exploded perspective view of positioning plate;
Fig. 9 is the turning cylinder of the second structure and the exploded perspective view of positioning plate;
Be labeled as in figure:
1, proximity switch; 2, the first caging bolt; 3, the second caging bolt;
4, arm-rest frame assembly; 41, coaming plate; 42, cover plate;
5, arm assembly; 51, handrail body; 52, Upper shaft sleeve; 53, Lower shaft sleeve; 54, turning cylinder; 55, bearing pin; 56, handrail screw; 57, boss; 58, positioning plate; 581, the first position-limited trough; 582, the second position-limited trough; 59, adjusting bolt;
6, gas spring assembly; 7, controller; 8, drive motor.
Detailed description of the invention
Contrast accompanying drawing below, by the description to embodiment, be described in further detail the specific embodiment of the present invention, object helps those skilled in the art to have more complete, accurate and deep understanding to design of the present invention, technical scheme, and contribute to its enforcement.
As shown in Figures 1 to 4, a kind of protection arm device of the present invention, is for electric pallet truck, plays the effect of protection operating personal.This protection arm device comprises arm-rest frame assembly 4 and the arm assembly 5 of rotary setting on arm-rest frame assembly 4, and arm-rest frame assembly 4 and/or arm assembly 5 are provided with the catch gear for making arm assembly 5 lock.This catch gear be for be at arm assembly 5 open with closed condition time, coupling mechanism force is applied to arm assembly 5, make the state that arm assembly 5 stays open or closes, avoid arm assembly 5 generation in electric pallet truck driving process to wave to rock, the safety misadventure that operating personal so just can be avoided to throw away outside car occurs, thus can improve safety in utilization.
Specifically, as described in Figure 1, arm assembly 5 is provided with two, left and right, and the rotation centerline of arm assembly 5 is positioned at vertical plane, and two arm assemblies 5 are located at the two ends, left and right of arm-rest frame assembly 4.Two arm assemblies 5 provide coupling mechanism force by a catch gear respectively; after two arm assemblies 5 are opened; two arm assemblies 5 stay open under the effect of catch gear; for holding the space of operating personal body between two arm assemblies 5; two arm assemblies 5 there will not be and rock, thus arm assembly 5 can play safety guard-safeguard effect in operating personal body both sides.
As shown in Figure 1, arm-rest frame assembly 4 is mainly made up of the cover plate 42 of the coaming plate 41 of " n " type structure and setting inside coaming plate 41, and cover plate 42 is also " n " type structure, and cover plate 42 is for being horizontally disposed with, and cover plate 42 is connected for vertical with the medial surface of coaming plate 41.Two arm assemblies 5 are fixedly connected with cover plate 42 in a corner of arm-rest frame assembly 4 respectively, and the rotation centerline of arm assembly 5 is namely perpendicular with the end face of cover plate 42, and arm assembly 5 can swing.
As shown in Figure 1, it is inner that catch gear is positioned at arm-rest frame assembly 4, and be positioned at the below of cover plate 42.As preferably, catch gear is mainly made up of gas spring assembly 6, and one end of gas spring assembly 6 is connected with the cover plate 42 of arm-rest frame assembly 4, and the other end is connected with arm assembly 5, and gas spring assembly 6 extends in the horizontal direction in the below of cover plate 42.As shown in Figure 3, in figure, dotted line represents that arm assembly 5 is in closed condition, and in figure, solid line represents that arm assembly 5 is in open mode.Swing at the rear of arm assembly 5 towards arm-rest frame assembly 4, until when being opened into 90 degree, gas spring assembly 6 swings thereupon and is stretched, gas spring assembly 6 pairs of arm assembly 5 applied thrusts, arm assembly 5 is locked, stay open into the state of 90 degree, and now gas spring assembly 6 and the point of connection of arm assembly 5 are positioned at the rear of the rotation centerline of arm assembly 5, and two, left and right gas spring assembly 6 is in V-shape.After arm assembly 5 is closed, the handrail body 51 of arm assembly 5 turns to above the cover plate 42 of arm-rest frame assembly 4, gas spring assembly 6 backswing shrinking thereupon, gas spring assembly 6 pairs of arm assembly 5 applied thrusts, arm assembly 5 is locked, keep closed condition, and now gas spring assembly 6 and the point of connection of arm assembly 5 are positioned at the front of the rotation centerline of arm assembly 5, and two, left and right gas spring assembly 6 is roughly on same straight line.
As preferably, gas spring assembly 6 is that coupling mechanism force size is adjustable, thus operating personal can regulate the coupling mechanism force of gas spring assembly 6 as required.
As shown in Figure 1, the arm assembly 5 of this protection arm device is mainly made up of handrail body 51, turning cylinder 54, Upper shaft sleeve 52 and Lower shaft sleeve 53 etc.Handrail body 51 is the structure of strip shape, for horizontal-extending is arranged.Turning cylinder 54 is vertically arrange, and Upper shaft sleeve 52 and Lower shaft sleeve 53 are for being set on turning cylinder 54, and Lower shaft sleeve 53 is positioned at below Upper shaft sleeve 52, and Upper shaft sleeve 52 end winding support above being positioned at arm-rest frame assembly 4 with handrail body 51 are connected.
As shown in Figure 1, Upper shaft sleeve 52 and Lower shaft sleeve 53 are the cylindrical body of hollow, the parts that Lower shaft sleeve 53 is connected with arm-rest frame assembly 4 as arm assembly 5, Lower shaft sleeve 53 inserts the through hole that the corner of the cover plate 42 of arm-rest frame assembly 4 is arranged, and be fixedly connected with cover plate 42, the bottom of turning cylinder 54 is through Lower shaft sleeve 53 and insertion arm-rest frame assembly 4 is inner downwards.
As depicted in figs. 1 and 2, Upper shaft sleeve 52 is the top being set in turning cylinder 54, and Upper shaft sleeve 52 realizes being connected by a bearing pin be disposed radially 55 with turning cylinder 54, the corresponding sidewall at Upper shaft sleeve 52 and turning cylinder 54 are radially provided with the pin-and-hole allowing bearing pin 55 pass.Bearing pin 55 inserts in the pin-and-hole that Upper shaft sleeve 52 and turning cylinder 54 are arranged, and carries out power transmission, make the handrail body 51 of rotation and Upper shaft sleeve 52 that turning cylinder 54 can be driven to rotate simultaneously by bearing pin 55.
As preferably, bearing pin 55 is elastic cylindrical pin, and elastic cylindrical pin is a kind of cylindrical body of hollow without a head, axially grooved, two cephalic pars have chamfering, for the location between Upper shaft sleeve 52 and turning cylinder 54, connection, possess good elasticity and anti-shearing force, reliability is high.
As preferably, as shown in Figure 1, the pin-and-hole that Upper shaft sleeve 52 is arranged is the lower end being positioned at Upper shaft sleeve 52, and pin-and-hole extends on the lower surface of Lower shaft sleeve 53 vertically, is formed with opening in lower surface.When assembling, after the pin-and-hole that bearing pin 55 inserts on turning cylinder 54, the two ends of bearing pin 55 are stretched out from the pin-and-hole of turning cylinder 54, then on turning cylinder 54, Upper shaft sleeve 52 is overlapped, bearing pin 55 can be embedded in the pin-and-hole of Upper shaft sleeve 52 by the opening of the lower surface of Upper shaft sleeve 52, realizes the connection of Upper shaft sleeve 52 and turning cylinder 54.Such fitting process at insertion bearing pin 55 without the need to make after the pin-and-hole aligned in position on Upper shaft sleeve 52 and turning cylinder 54, makes assembling become simple, raises the efficiency.
Because Upper shaft sleeve 52 is set on turning cylinder 54, only spacing by bearing pin 55 in lower end, as illustrated in figures 1 and 8, handrail screw 56 is also provided with above Upper shaft sleeve 52, to carry out axial limiting to Upper shaft sleeve 52, this handrail screw 56 and insert turning cylinder 54 upper end arrange tapped bore in be threaded with it, easy disassembly.
As variant embodiment, as shown in Figure 9, a circular boss 57 is provided with in the upper end of turning cylinder 54, the diameter of boss 57 is also greater than the diameter of turning cylinder 54, this boss 57 is for replacing handrail screw 56, and for carrying out axial limiting to Upper shaft sleeve 52, Upper shaft sleeve 52 is positioned at the below of boss 57.Boss 57 is coaxial with turning cylinder 54, and both can be one-body molded.By arranging boss 57, handrail Long-Time Service can be avoided like this, causing handrail screw 56 to loosen, improving functional reliability.
As shown in Figure 1, arm assembly 5 also comprises the positioning plate 58 be fixedly connected with the lower end of turning cylinder 54, positioning plate 58 is positioned at the below of cover plate 42, and parallel with cover plate 42, one end of gas spring assembly 6 is connected with cover plate 42, and the other end is connected with positioning plate 58, thus when handrail body 51 swings, positioning plate 58 swings along with turning cylinder 54, drives the gas spring assembly 6 be attached thereto to stretch.
As shown in Figure 1, as preferably, arm-rest frame assembly 4 is also provided with and matches with positioning plate 58 and for carrying out the first spacing caging bolt 2 to the arm assembly 5 when being in open mode.As shown in Figure 3, when arm assembly 5 is opened into 90 degree, provide coupling mechanism force by gas spring assembly 6 thrust, acted on positioning plate 58 by the first caging bolt 2 be arranged on arm-rest frame assembly 4, provide spacing.
As depicted in figs. 1 and 2, first caging bolt 2 is arranged on the rear wall of coaming plate 41 of arm-rest frame assembly 4, and with the rear wall of coaming plate 41 for being threaded, correspondingly on the rear wall of coaming plate 41, be provided with tapped bore, first caging bolt 2 inserts in tapped bore, after regulating position, and be fixed by nut.First caging bolt 2 is for arrange in the horizontal direction, and the axis of its axis and turning cylinder 54 is spatially perpendicular.Two the first caging bolts 2 between two arm assemblies 5.
As depicted in figs. 1 and 2, the first caging bolt 2 is positioned at below the cover plate 42 of arm-rest frame assembly 4, is in sustained height with positioning plate 58.The screw cap end of the first caging bolt 2 is for contacting with positioning plate 58, and, as shown in Figure 3, the sidewall of limiting stopper is provided with first position-limited trough 581 allowing the screw cap end of the first caging bolt 2 embed, in arm assembly 5 opening procedure, when the screw cap end of the first caging bolt 2 embeds in the first position-limited trough 581 of positioning plate 58, and when contacting with the groove bottom of the first position-limited trough 581, namely illustrate that arm assembly 5 is opened to end position, is then locked arm assembly 5 by gas spring assembly 6.
Because the first caging bolt 2 and coaming plate 41 are for being threaded, the degree being therefore screwed into coaming plate 41 upper screwed hole by controlling the first caging bolt 2 finely tunes the spacing size to arm assembly 5, simply easy to adjust.
Because two arm assemblies 5 rely on down the thrust of gas spring assembly 6 to provide coupling mechanism force in off position, and be by the contacts side surfaces of the medial surface of the left and right sidewall of the coaming plate 41 of arm-rest frame assembly 4 and left and right two positioning plates 58, this spacing size provides spacing to two arm assemblies 5 respectively, so cannot regulate.Therefore, in order to realize the adjustable of spacing size, as shown in Figure 5 and Figure 6, arm-rest frame assembly 4 is also provided with and matches with positioning plate 58 and for carrying out the front that the second spacing caging bolt 3, second caging bolt 3 is positioned at turning cylinder 54 to the arm assembly 5 when being in closed condition.As shown in the figure, when arm assembly 5 is closed, provide coupling mechanism force by gas spring assembly 6 thrust, acted on positioning plate 58 by the second caging bolt 3 be arranged on arm-rest frame assembly 4, adjustable limiting is provided.
Be described for the arm assembly 5 in left side below, as shown in Figure 5 and Figure 6, carrying out the second spacing caging bolt 3 to the arm assembly 5 in left side is be arranged on the left side wall of coaming plate 41 of arm-rest frame assembly 4, and with the left side wall of coaming plate 41 for being threaded, correspondingly on the left side wall of coaming plate 41, be provided with a tapped bore, second caging bolt 3 inserts in this tapped bore, after regulating position, and is fixed by nut.Second caging bolt 3 for arrange in the horizontal direction, the axis of the second caging bolt 3 and the left side wall of coaming plate 41 perpendicular.
Carrying out the second spacing caging bolt 3 to the arm assembly 5 on right side, is carry out the second spacing caging bolt 3 for being symmetrical arranged with to the arm assembly 5 in left side, with the right side wall of coaming plate 41 for being threaded.
As shown in Figure 5 and Figure 6, the second caging bolt 3 is positioned at below the cover plate 42 of arm-rest frame assembly 4, is in sustained height with positioning plate 58.The screw cap end of the second caging bolt 3 is for contacting with positioning plate 58, and, as shown in Figure 5 and Figure 6, the sidewall of limiting stopper is provided with second position-limited trough 582 allowing the screw cap end of the second caging bolt 3 embed, in arm assembly 5 closing process, when the screw cap end of the second caging bolt 3 embeds in the second position-limited trough 582 of positioning plate 58, and when contacting with the groove bottom of the second position-limited trough 582, namely illustrate that arm assembly 5 is closed to end position, is then locked arm assembly 5 by gas spring assembly 6.
Because the second caging bolt 3 and coaming plate 41 are for being threaded, the degree being therefore screwed into coaming plate 41 upper screwed hole by controlling the second caging bolt 3 finely tunes the spacing size to arm assembly 5, simply easy to adjust.
As shown in Figure 5, one end of positioning plate 58 is fixedly connected with turning cylinder 54, first position-limited trough 581 and the second position-limited trough 582 are located at the other end of positioning plate 58 jointly, and the first position-limited trough 581 and the second position-limited trough 582 are located on two relative sidewalls of this end of positioning plate 58.
As shown in Figure 8, positioning plate 58 is welded to connect with the lower end of turning cylinder 54, is provided with a circular hole allowing the lower end of turning cylinder 54 insert in the end of positioning plate 58.
As variant embodiment, as shown in Figure 9, positioning plate 58 is fixedly connected with turning cylinder 54 by adjusting bolt 59 in the below of turning cylinder 54, and the end of positioning plate 58 is provided with the through hole allowing adjusting bolt 59 pass, and is provided with tapped bore in the lower end of turning cylinder 54.Utilizing the deadweight of turning cylinder 54, to self serving good locking effect, guaranteeing to there will not be adopting the handrail screw loosening existing for scheme of handrail screw fastening and the situation that causes positioning plate to loosen occurs.
As shown in Figure 4, arm-rest frame assembly 4 is also provided with and matches with positioning plate 58 and proximity switch 1 for receiving positioning plate 58 swing offset signal, positioning plate 58 is provided with two, and corresponding proximity switch 1 is also provided with two, two proximity switches 1 between two turning cylinders 54.When operating personal stands on the pedal of electric pallet truck, during two arm assembly 5 Unscrews, two positioning plates 58 rotate thereupon, and proximity switch 1 responds to the position of positioning plate 58.In arm assembly 5 opening procedure, proximity switch 1 receives the signal of spacing assembly swing offset, by signal feedback to the controller 7 of electric pallet truck, this controller 7 controls the rotating speed of drive motor 8 on electric pallet truck by the program preset, to reach the object of the speed of travel controlling electric pallet truck, avoid occurring safety misadventure.So by arranging proximity switch 1, speed-limiting protection function can be played, thus safety in utilization can be improved further.
The present invention also provides a kind of electric pallet truck, and it comprises above-mentioned protection arm device, and the concrete structure of this protection arm device can refer to Fig. 1 to Fig. 9, does not repeat them here.The protection arm device in above-described embodiment is comprised, so it has all advantages of above-mentioned protection arm device due to electric pallet truck of the present invention.
Orientation or the position relationship of the instruction such as the up, down, left, right, before and after involved by foregoing are based on orientation shown in the drawings or position relationship, only the present invention for convenience of description and simplified characterization, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as limitation of the present invention.
Below by reference to the accompanying drawings to invention has been exemplary description.Obviously, specific implementation of the present invention is not subject to the restrictions described above.As long as have employed the improvement of the various unsubstantialities that method of the present invention is conceived and technical scheme is carried out; Or without improvement, above-mentioned design of the present invention and technical scheme directly applied to other occasion, all within protection scope of the present invention.
Claims (10)
1. a protection arm device, is characterized in that: comprise arm-rest frame assembly and the arm assembly of rotary setting on arm-rest frame assembly, arm-rest frame assembly is provided with the catch gear for making arm assembly lock.
2. protection arm device according to claim 1, is characterized in that: the rotation centerline of described arm assembly is positioned at vertical plane.
3. protection arm device according to claim 1 and 2, is characterized in that: described arm assembly is provided with two, and two arm assemblies are located at the two ends, left and right of described arm-rest frame assembly.
4. protection arm device according to claim 3, it is characterized in that: described catch gear comprises gas spring assembly, gas spring assembly one end is connected with described arm-rest frame assembly, the other end is connected with described arm assembly, and gas spring assembly is closed at arm assembly or locked to make it arm assembly applied thrust when opening.
5. protection arm device according to claim 4, is characterized in that: it is inner that described gas spring is positioned at described arm-rest frame assembly.
6. protection arm device according to claim 5, it is characterized in that: described arm assembly comprises handrail body, turning cylinder, is fixedly connected with and sheathed Upper shaft sleeve on the rotating shaft and Lower shaft sleeve that is on the rotating shaft sheathed and that be fixedly connected with described arm-rest frame assembly with handrail body, and Lower shaft sleeve is positioned at below Upper shaft sleeve.
7. protection arm device according to claim 6, is characterized in that: described Upper shaft sleeve and described turning cylinder are by pinned connection, and Upper shaft sleeve and turning cylinder are provided with the hole allowing bearing pin pass.
8. protection arm device according to claim 7, is characterized in that: described bearing pin is elastic cylindrical pin.
9. protection arm device according to claim 6, is characterized in that: described arm assembly also comprises the positioning plate be fixedly connected with described turning cylinder, and described gas spring assembly is connected with positioning plate.
10. an electric pallet truck, is characterized in that: comprise the arbitrary described protection arm device of claim 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410696716.XA CN104477246B (en) | 2014-11-26 | 2014-11-26 | It is a kind of to protect arm assembly and there is its electric pallet truck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410696716.XA CN104477246B (en) | 2014-11-26 | 2014-11-26 | It is a kind of to protect arm assembly and there is its electric pallet truck |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104477246A true CN104477246A (en) | 2015-04-01 |
| CN104477246B CN104477246B (en) | 2018-01-02 |
Family
ID=52751903
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410696716.XA Active CN104477246B (en) | 2014-11-26 | 2014-11-26 | It is a kind of to protect arm assembly and there is its electric pallet truck |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104477246B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108298482A (en) * | 2018-03-08 | 2018-07-20 | 诺力智能装备股份有限公司 | A kind of protection arm with limit function suitable for industrial vehicle |
| CN108328534A (en) * | 2018-03-22 | 2018-07-27 | 诺力智能装备股份有限公司 | A kind of protection arm having regulatory function |
| CN108455490A (en) * | 2018-03-08 | 2018-08-28 | 诺力智能装备股份有限公司 | A kind of protection arm suitable for industrial vehicle |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200964336Y (en) * | 2006-10-24 | 2007-10-24 | 宁波大学 | Locking apparatus for van protection arm |
| CN201071290Y (en) * | 2007-04-17 | 2008-06-11 | 新疆金风科技股份有限公司 | Lifting device |
| CN201770449U (en) * | 2010-07-15 | 2011-03-23 | 宁波力达物流设备有限公司 | Protective arm of electric truck |
| CN201809125U (en) * | 2010-08-12 | 2011-04-27 | 浙江中力机械有限公司 | Arm guard component of electric truck |
| CN202542786U (en) * | 2012-05-08 | 2012-11-21 | 山河智能装备股份有限公司 | Warehousing car protecting arm device |
| CN203767950U (en) * | 2014-02-13 | 2014-08-13 | 杭叉集团股份有限公司 | Arm guard device for pallet truck |
| CN204415525U (en) * | 2014-11-26 | 2015-06-24 | 中联重机股份有限公司 | A kind of protection arm device and there is its electric pallet truck |
-
2014
- 2014-11-26 CN CN201410696716.XA patent/CN104477246B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200964336Y (en) * | 2006-10-24 | 2007-10-24 | 宁波大学 | Locking apparatus for van protection arm |
| CN201071290Y (en) * | 2007-04-17 | 2008-06-11 | 新疆金风科技股份有限公司 | Lifting device |
| CN201770449U (en) * | 2010-07-15 | 2011-03-23 | 宁波力达物流设备有限公司 | Protective arm of electric truck |
| CN201809125U (en) * | 2010-08-12 | 2011-04-27 | 浙江中力机械有限公司 | Arm guard component of electric truck |
| CN202542786U (en) * | 2012-05-08 | 2012-11-21 | 山河智能装备股份有限公司 | Warehousing car protecting arm device |
| CN203767950U (en) * | 2014-02-13 | 2014-08-13 | 杭叉集团股份有限公司 | Arm guard device for pallet truck |
| CN204415525U (en) * | 2014-11-26 | 2015-06-24 | 中联重机股份有限公司 | A kind of protection arm device and there is its electric pallet truck |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108298482A (en) * | 2018-03-08 | 2018-07-20 | 诺力智能装备股份有限公司 | A kind of protection arm with limit function suitable for industrial vehicle |
| CN108455490A (en) * | 2018-03-08 | 2018-08-28 | 诺力智能装备股份有限公司 | A kind of protection arm suitable for industrial vehicle |
| CN108328534A (en) * | 2018-03-22 | 2018-07-27 | 诺力智能装备股份有限公司 | A kind of protection arm having regulatory function |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104477246B (en) | 2018-01-02 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104477246A (en) | Protective arm device and electric pallet truck with same | |
| CN102485554B (en) | Utilize the beam angle automatic regulating apparatus of relocation mechanism | |
| CN106504919A (en) | A kind of device for switching and its spring operating mechanism | |
| CN202895101U (en) | Impact wrench with controllable torque | |
| CN107719463A (en) | A kind of wire-controlled steering system abating protection device | |
| CN204415525U (en) | A kind of protection arm device and there is its electric pallet truck | |
| CN104064870A (en) | Delta-shaped array antenna automatic elevation device | |
| CN113607425B (en) | Small intelligent ultra-flat bearing robot for loading VRU target object | |
| CN102951095B (en) | Electric turnover and anti-collision display | |
| CN204651187U (en) | A kind of auxiliary knife system of ground connection being applied to switch-fuse combination | |
| CN204279937U (en) | The collapsible double-rotor aerobat overhang of lower blade | |
| CN204358083U (en) | Parking execution device and there is the vehicle of parking execution device | |
| CN106945747B (en) | Chassis device and have its detection vehicle and robot | |
| CN209233444U (en) | A kind of crash-proof cable branch box | |
| CN102163806B (en) | Shielding failure preventing lightning conductor capable of being installed remotely | |
| CN108562390A (en) | Circuit breaker chassis determines torque crank | |
| CN103506841A (en) | Rotation type steering column sub-packing platform | |
| CN202996641U (en) | Minitype-breaker operation and control apparatus for explosion-proof distribution box | |
| CN103863381A (en) | Control device for steering wheel of unmanned vehicle | |
| CN209079976U (en) | A kind of column mounting bracket and tubing string assembly of anti-canting | |
| US11097767B2 (en) | Steering system | |
| CN103093978B (en) | Rotating control device and lamp | |
| CN202125561U (en) | Damping mechanism of electromobile | |
| CN206012945U (en) | A kind of steering wheel and the mounting structure of steering engine seat | |
| CN205231595U (en) | Electronic chassis car with manual preferential function |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20170117 Address after: 241080 Anhui province Wuhu City Sanshan Sanshan District Economic Development Zone E Xi Road No. 16 Applicant after: Anhui Modern Agricultural Equipment Industry Technology Inst Co Ltd Address before: 241080 Anhui province Wuhu City Sanshan Sanshan District Economic Development Zone E Xi Road No. 16 Applicant before: ZOOMLION HEAVY MACHINERY CO., LTD. |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20170303 Address after: Anhui province Wuhu city Yijiang high tech Industrial Development Zone, South South Road No. 2 Applicant after: Anhui industrial vehicle Co., Ltd of Zhong Lianchong section Address before: Anhui province Wuhu City Sanshan Sanshan District Economic Development Zone E Xi Road No. 16 Applicant before: Anhui Modern Agricultural Equipment Industry Technology Inst Co Ltd |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant |