CN109199594A - shell - Google Patents

Abstract

The present invention provides a kind of shell, the position for opening up escape groove on the shell includes the position being located on shell corresponding to the stroke range of the elongator inside and outside shell, the structure move the elongator being located inside and outside shell can in escape groove without interfering with shell, shell is not servo-actuated with elongator, therefore noise is smaller or even noiseless；Shell is not servo-actuated with elongator, would not also contact due to the shaking in servomechanism process with the moving member inside and outside shell such as adapter flange and extensible member etc., avoid catching phenomenon；Shell is not servo-actuated with elongator, also just It is not necessary to which the pleated structure of the similar organ cloth of setting, reduces the possibility of dust stratification.

Description

Shell

Technical field

The invention belongs to medical instruments field more particularly to a kind of shells.

Background technique

The trolley of operation in the prior art generallys use organ cloth and blocks the structure inside trolley to solve to be located at The mobile problem of elongator inside and outside organ cloth.However in actual application, the servo-actuated of organ cloth can generate noise, organ Shaking in cloth servomechanism process may be such that organ cloth contacts with adapter flange or outer connection mechanism, block the mobile of elongator Stagnant, the pleated structure of organ cloth is easy dust stratification.

Summary of the invention

To solve above-mentioned the problems of the prior art, the present invention provides a kind of shell, and concrete scheme is as follows:

A kind of shell, the shell offer escape groove, and the position for opening up the escape groove includes being located inside and outside shell Elongator stroke range corresponding to position on shell.

Further, the shell is formed by connecting by multiple shells.

Further, the quantity for connecting into the shell of the shell is two.

Further, after the two housings close up, the two sides for the seam that two housings are formed offer the evacuation slot position, pacify Dress channel is located on two shells and is connected to the escape groove of seam two sides.

Further, two shells are connected using connecting plate, connecting plate blocks installation passage.

Further, the Shell structure has graduated scale, and the graduated scale is close to escape groove, the extension side of the graduated scale To parallel with the extending direction of escape groove.

Compared with prior art, it includes being located at stretching inside and outside shell that the present invention, which opens up the position of escape groove on the shell, The position on shell corresponding to the stroke range of part, the structure make the elongator being located inside and outside shell can be in escape groove out Movement with shell without interfering, and shell is not servo-actuated with elongator, therefore noise is smaller or even noiseless；Shell not with stretching Part is servo-actuated, would not also connect due to the shaking in servomechanism process with the moving member inside and outside shell such as adapter flange and extensible member etc. Touching, avoids catching phenomenon；Shell is not servo-actuated with elongator, also just It is not necessary to which the pleated structure of the similar organ cloth of setting, subtracts The possibility of dust stratification is lacked.

Detailed description of the invention

The invention will be described in more detail below based on embodiments and refering to the accompanying drawings.Wherein:

Fig. 1 be trolley of the invention without telescopic arm when overall structure diagram；

Fig. 2 is that the trolley in Fig. 1 removes the schematic diagram after trolley casing assembly；

Fig. 3 is the schematic diagram of trolley pedestal of the invention；

Fig. 4 is the schematic diagram of the bottom of trolley pedestal of the invention；

Fig. 5 is the overall structure diagram of column of the invention；

Fig. 6 is fixed pulley assembly of the invention and movable pulley component schematic diagram；

Fig. 7 is counterweight sliding assembly schematic diagram of the invention；

Fig. 8 is the installation diagram of the first attachment device of the invention；

Fig. 9 is the disassembly diagram of the first attachment device of the invention；

Figure 10 is the installation diagram of the second attachment device of the invention；

Figure 11 is the disassembly diagram of the second attachment device of the invention；

Figure 12 is the schematic diagram of the scale on heavy curtain of the invention；

Figure 13 is the trolley schematic diagram that the present invention has double telescopic；

Figure 14 is the structural schematic diagram of telescopic arm of the present invention；

Figure 15 is the structural schematic diagram for the telescopic arm that the present invention is shown from another angle.

In the accompanying drawings, identical component uses identical appended drawing reference, and attached drawing is not drawn to scale.

Specific embodiment

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

The top in the instruction direction in the present invention, is placement state when being worked normally with equipment above and below to refer at bottom, tool Body, equipment in each of the embodiments described below refers to trolley, and placement state when being worked normally with trolley is reference, relative orientation Ground direction be bottom or under, it is opposite away from ground direction be top or on.

Fig. 1 shows one embodiment of shell of the invention, and the shell in the embodiment is the heavy curtain 410 of trolley.

Fig. 1-Figure 15 is the structural schematic diagram of trolley.The trolley includes trolley pedestal 100, column 200, handle 300, trolley Casing assembly 400 and telescopic arm 500.Trolley pedestal 100 and column 200 are covered by inside trolley casing assembly 400, platform The components of vehicle 100 and column 200 do not have it is exposed, to keep trolley whole more beautiful.Column 200 includes column main body 290, Column main body 290 includes the side plate of column bottom plate 293, column top plate 294 and connection column bottom plate 293 and column top plate 294, The side plate include the first side plate of column 291, column second side plate 292 adjacent with column the first side plate 291 and with column The opposite column third side plate (not shown) of side plate 291, the second side plate of column 292 are positioned opposite two pieces, two pieces The second side plate of column 292 is respectively connected with the first side plate of column 291 and column third side plate, column first positioned opposite Side plate 291, column third side plate and two blocks of second side plates of column 292 positioned opposite define column inner cavity 295 jointly.It is vertical Refer to side of the side plate towards column inner cavity 295 on the inside of each side plate of column main body 290, each side plate of column main body 290 Outside refers to that the side plate deviates from the side of column inner cavity 295.Trolley pedestal 100 includes trolley pedestal skeleton 101, and column 200 is logical Column bottom plate 294 is crossed to connect with trolley pedestal skeleton 101.Drag chain 210 is arranged in the outside of the first side plate of column 291, outer guide Component 220 is arranged in the outside of the second side plate of column 292, and handle 300 is arranged in the outside of column third side plate, and handle 300 It is connect with trolley pedestal skeleton 101.Outer guide component 220 be two, respectively with two blocks of second side plates of column 292 positioned opposite Corresponding, outer guide component 220 includes adapter flange 221, and the adapter flange 221 of each outer guide component 220 and one stretch Arm 500 connects, and the quantity of telescopic arm 500 is two.Preferably, outer guide component 220 is arranged symmetrically.

As shown in Figure 3, Figure 4, the equipment for needing parking is trolley, and trolley pedestal 100 not only includes trolley pedestal skeleton 101, it further include the universal caster wheel 103 for being arranged in 101 bottom of trolley pedestal skeleton and telescopic support leg.When trolley is in just When the placement state often to work, the face positioned at the lower section of telescopic support leg is parking face, and parking face is usually horizontal Ground or ground with certain tilt angle, the bottom surface of telescopic support leg are the plane parallel with parking face.When parking, Telescopic support leg is stretched out, and makes bottom surface and the parking face contact of telescopic support leg, universal caster wheel 103 is lifted away from ground, To realize the parking of trolley, since the bottom surface of telescopic support leg is plane and parallel with parking face, thus telescopic branch The bottom surface of support foot and parking face form face contact, relative to traditional castor compared with the point contact mode on ground, using can stretch The support leg parking of contracting keeps stability of the trolley in parking stronger, can be well adapted for staying on horizontal plane and low-angle slope Vehicle.

Trolley pedestal 100 further includes the actuator for being arranged in 101 bottom of trolley pedestal skeleton.The actuator can be hydraulic Pump, pulsometer or other components that support leg can be driven flexible, it is preferred that actuator is hydraulic pump 104.

Preferably, telescopic support leg is hydraulic supporting feet 102.Each angle at four angles of trolley pedestal skeleton 101 A universal caster wheel 103 and a hydraulic supporting feet 102 are arranged, in this way, can then guarantee the universal caster wheel 103 on each angle It is lifted away from ground, parking function is all undertaken by hydraulic supporting feet 102.The central axis and universal caster wheel of hydraulic supporting feet 102 103 rotation axis is coaxial, the hydraulic supporting feet 102 and universal caster wheel 103 at any angle at four angles of trolley pedestal skeleton 101 The extreme position that the angle can be in simultaneously makes while avoiding hydraulic supporting feet 102 and universal caster wheel 103 from interfering Between the size span and each universal caster wheel 103 that must be arranged between each hydraulic supporting feet 102 of 101 bottom of trolley pedestal skeleton Size span nearly reach maximum, parking stability and roadability are enhanced simultaneously.Four of hydraulic pump 104 are hydraulic Pipe is connect with four hydraulic supporting feets 102 respectively, and hydraulic pump 104 is provided with for adjusting the flexible rocking bar of hydraulic supporting feet 102 Handle 105 is adjusted using oil pump capacity or recirculating oil quantity of the rocker lever 105 to hydraulic pump 104 to realize hydraulic supporting feet 102 It is flexible make to adjust it is simple to operate.When parking, operator shakes the rocker lever 105 of hydraulic pump 104 to hydraulic pump 104 Oil pump capacity or recirculating oil quantity be adjusted, to drive hydraulic supporting feet 102 to stretch out, hydraulic supporting feet 102 and parking face contact, from And jack up trolley, it disengages universal caster wheel 103 with ground, realizes parking.The stability of hydraulic mechanism itself is stronger.

Preferably, hydraulic supporting feet 102 divides for the telescopic rod that is driven by hydraulic pump 104 and is mounted on telescopic rod end Foot connector, the bottom surface of foot connector are the plane parallel with parking face, and foot connector is using rubber or other rubs when being contacted with ground The biggish material of coefficient is made, when parking makes the foot connector of hydraulic supporting feet 102 occur wearing so that parking effect to trolley repeatedly When decline, only more change of feet connector be can be used continuously, and without all scrapping hydraulic supporting feet 102, improve components Utilization rate.And the operation of more change of feet connector wants simple and quick compared to the operation for replacing entire hydraulic supporting feet 102, improves dimension Repair efficiency.

In other embodiments, multiple hydraulic pumps 104 also can be set, each hydraulic pump 104 is independently to each hydraulic Support leg 102 carries out extension and contraction control.

As Figure 1-Figure 4, handle 300 pushes trolley mobile for operator.When operator it is reversed (i.e. with it is hydraulic The direction of rotation of rocker lever when support leg is stretched out is opposite) rocker lever 105 of hydraulic pump 104 is shaken to hydraulic pump 104 Oil pump capacity or recirculating oil quantity are adjusted, and to drive hydraulic supporting feet 102 to shrink, make universal caster wheel 103 and ground face contact, at this point, Trolley is in non-parked state, the handle 300 that operator is connect with hand push with trolley pedestal skeleton 101, under thrust Entire trolley is mobile by universal caster wheel 103.

As shown in Fig. 5-Figure 11, column 200 includes drag chain 210, outer guide component 220, drag chain mounting plate 230, movable pulley Component 240, fixed pulley assembly 250, counterweight sliding assembly 260, the second attachment device 270, wirerope 280 and column main body 290。

Outer guide component 220 includes adapter flange 221 and outer guide 222, and adapter flange 221 is moved along outer guide 222.

Counterweight sliding assembly 260 includes counterweight 261, interior guide rail 262 and the first attachment device 263, the first attachment device 263 It is connected with counterweight 261, counterweight 261 is moved along interior guide rail 262.

Cable protector as shown in Figure 5 is a part of column 200, and cable protector includes drag chain 210, fixes Installation part and mobile installation part.Drag chain 210 includes the arc section of the two straightways of two straightways and connection, drag chain 210 Straightway and arc section are configured with the hollow portion for accommodating cable.Mobile installation part in cable protector includes adapter flange 221 and positioned at adapter flange 221 close to the link block of the side of drag chain 210, one of straight line of the link block and drag chain 210 Section connects, and the fixed installation part in cable protector is drag chain mounting plate 230.Cable can be nested in the hollow of drag chain 210 In portion, when adapter flange 221 is mobile, drag chain is driven by being located at link block of the adapter flange 221 close to the side of drag chain 210 210 is mobile, and the servo-actuated state of drag chain 210 can be such that its shape is maintained in certain spatial dimension, while 210 tip flexion of drag chain Semi arch remain unchanged and be servo-actuated with the linear motion of adapter flange 221, since cable is located at the hollow portion of drag chain 210 It is interior, constraint of the movement of cable by drag chain 210, thus avoid causes abrasion to be leaked electricity with external structural friction, disappears simultaneously In addition to because cable there is no limit movement and other structures collision scrape caused by abnormal sound.

Drag chain mounting plate 230 includes the first mounting plate and the second mounting plate extended from the first mounting plate, the first peace Loading board is U-shaped, and the first mounting plate is connected with two blocks of second side plates of column 292 positioned opposite, extends from the first mounting plate Second mounting plate is located at the outside of the first side plate of column 291.Drag chain 210 is located at the outside of the first side plate of column 291 and and drag chain Second mounting plate of mounting plate 230 is connected.The outside that drag chain 210 is arranged in the first side plate of column 291 is made to the movement of drag chain 210 The terminals closer to telescopic arm 500 are held, thus wiring is more convenient, cable needed for wiring is relatively short, advantageously reduces Cost.Drag chain 210 and the lateral wall of the first side plate of column 291 are spaced a distance, can avoid drag chain 210 it is mobile when with column the The lateral wall of side plate 291 rubs, and keeps the movement of drag chain 210 more smoothly.

Link block positioned at adapter flange 221 close to the side of drag chain 210 is orthogonal two plates composition, wherein One block of plate is connected with adapter flange 221, and the drag chain 210 in another block of plate towards the outside for being located at the first side plate of column 291 prolongs It stretches and is connected with drag chain 210.Two straightways that the structure of the link block is conducive to drag chain 210 are in same plane, are avoided Two straightways when drag chain 210 moves under the drive of adapter flange 221 due to drag chain 210 are in Different Plane and block It is stagnant.

The mobile device of the trim as shown in Fig. 5-Figure 11 is a part of column 200, and Fig. 5-Fig. 7 shows the shifting of trim The overall structure of dynamic device, Fig. 8-Figure 11 show the first attachment device 263 and the second connection dress in the mobile device of trim Set 270 structure.The mobile device of trim includes fixed pulley assembly 250, connecting rope, counterweight 261 and switching moving member, fixed pulley Component 250 includes main fixed pulley 251, connecting rope and main 251 solderless wrapped connection of fixed pulley, and counterweight 261 is drawn in one end of connecting rope, by fixed The other end traction switching moving member of the connecting rope of pulley assembly 250.After switching moving member is connect with external structure, connecting rope is led Draw the quality of one end of counterweight and realizes trim, i.e. connecting rope both ends with the quality of the one end for connecting wire saws switching moving member Tractive force balance, at this point, operator can be readily accomplished the moving operation of external structure by moving member of transferring.

Wherein connecting rope is wirerope 280, and switching moving member is adapter flange 221, the outside connecting with adapter flange 221 Structure is telescopic arm 500, after trim, can be readily accomplished the moving operation of telescopic arm 500.

Column main body 290 as column 200 basic components for the other parts of column 200 provide installation support and/or Corresponding space.The second side plate of same column 292 is connected with outer guide component 220 and counterweight sliding assembly 260, with this Outer guide component 220 and the corresponding fixed pulley assembly 250 of counterweight sliding assembly 260 are mounted on the top of column top plate 294, move and slide Wheel assembly 240 is connect with the adapter flange 221 of the outer guide component 220.

Adapter flange 221 in outer guide component 220 is arranged in the outside of the second side plate of column 292, outer guide component 220 In outer guide 222 and the lateral wall of the second side plate of column 292 fix, adapter flange 221 is moved along outer guide 221；Counterweight is sliding The counterweight 261 moved in component 260 is arranged in the inside of the second side plate of column 292, the interior guide rail 262 in counterweight sliding assembly 260 It is fixed with the inner sidewall of the second side plate of column 292, counterweight 261 is moved along interior guide rail 262.The inside of the second side plate of column 292 is right What is answered is column inner cavity 295, and counterweight 261 is arranged in column inner cavity 295, and adapter flange 221 is arranged in the second side plate of column 292 outside is conducive to the installation of telescopic arm 500.The setting of interior guide rail 262 and outer guide 222 makes adapter flange 221 and counterweight Constraint of 261 movement by guide rail, adapter flange 221 and counterweight 261 can it is anticipated that direction it is mobile, avoid switching method Orchid 221 and counterweight 261 are unrestricted in moving process and collide with other components.

Movable pulley component 240 includes the shaft 243 of movable pulley mounting rack 241, movable pulley 242 and movable pulley, movable pulley Component 240 is connect by mounting rack 241 with adapter flange 221, and movable pulley 242 is arranged on mounting rack 241, movable pulley 242 around The rotation of its shaft 243.One end of wirerope 280 passes through the first attachment device 263 and counterweight 261 in counterweight sliding assembly 260 It is connected to draw counterweight 261, by the dynamic cunning in the other end and movable pulley component 240 of the wirerope 280 of fixed pulley assembly 250 It is fixed by the second attachment device 270 with the second side plate of column 292 after taking turns 242 solderless wrapped connections, movable pulley component 240 and adapter flange 221 are connected, and draw adapter flange 221 by movable pulley component 240 by the other end of the wirerope 280 of fixed pulley assembly 250. Since the quality of adapter flange 221 and telescopic arm 500 is suspended from shaft, and the quality of counterweight is then located at the mobile terminal of movable pulley 242, Therefore the quality of counterweight 261 only needs the half or so of the quality summation of adapter flange 221 and telescopic arm 500 that trim can be realized, The quality with usually required counterweight 261 is greatly reduced, so that the gross mass of entire trolley be made to reduce, trolley is more light Just, it reduces costs.

Movable pulley 242 is smaller with respect to the radial dimension of movable pulley 242 along the axial size of its shaft 243, movable pulley Shaft 243 is vertical with column the second side plate 292, keeps the size stretched out to the outside of the second side plate of column 292 smaller, relative to dynamic The shaft 243 of pulley is parallel to the arrangement of the second side plate of column 292, and the shaft 243 of movable pulley is vertical with column the second side plate 292 Keep device layout more compact.

Using two wirerope 280 it is in parallel to counterweight 261 and adapter flange 221 carry out traction be conducive to by traction piece by Power is balanced.Corresponding, the movable pulley 242 in movable pulley component 240 is two, and follow-up pulley 242 extends to main fixed pulley 251 Two wirerope 280 are located between two movable pulleys 242, and such setting makes two wirerope 280 of solderless wrapped connection on main fixed pulley 251 Race spacing it is smaller, device layout is compact.

Fixed pulley assembly 250 further includes not only that auxiliary fixed pulley 252, electromagnetic brake 253, master are slided calmly including main fixed pulley 251 Shaft 254, the shaft 256 of fixed pulley mounting rack 255, auxiliary fixed pulley 252 of wheel 251.Fixed pulley assembly 250 is pacified by fixed pulley 255 are shelved to be fixed on column top plate 294.Main fixed pulley 251 is installed on fixed pulley mounting rack 255 with auxiliary fixed pulley 252, The spacing of the race of two wirerope 280 of solderless wrapped connection and two wirerope 280 of solderless wrapped connection on main fixed pulley 251 on auxiliary fixed pulley 252 The spacing of race is identical.The corresponding central angle of arc section of wirerope 280 of the solderless wrapped connection on main fixed pulley 251 is greater than solderless wrapped connection auxiliary The corresponding central angle of arc section of wirerope 280 on fixed pulley 252.

The shaft 256 of auxiliary fixed pulley 252 is parallel with the shaft 254 of main fixed pulley 251, and main fixed pulley 251 is located at close turn 221 side of acting flange, auxiliary fixed pulley 252 are located at close to 261 side of counterweight, and the structure is in the same span of fixed pulley assembly 250 Under, the diameter of main fixed pulley 251 is reduced, equipment arrangement is more compact.

Electromagnetic brake 253 in fixed pulley assembly 250 is connect with the shaft 254 of main fixed pulley 251, electromagnetic brake 235 with Fixed pulley mounting rack 255 is fixed.Electromagnetic brake 253 is powered to unclamp the shaft 254 of main fixed pulley 251, allows main fixed sliding 251 rotation of wheel, at this moment, operator can push the telescopic arm 500 connecting with adapter flange 221 mobile；Electromagnetic brake 253 powers off To by 254 locking of shaft of main fixed pulley 251, main fixed pulley 251 is prevented to continue to rotate, at this moment, adapter flange 221 and with turn The telescopic arm 500 that acting flange 221 connects will be in floating state.Due to the circle of wirerope 280 of the solderless wrapped connection on main fixed pulley 251 The corresponding central angle of segmental arc is greater than the corresponding central angle of arc section of wirerope 280 of the solderless wrapped connection on auxiliary fixed pulley 252, and electromagnetism is stopped 253 pairs of vehicle main fixed pulleys 251 are braked, and increase the validity of braking, wirerope 280 is in auxiliary fixed pulley when reducing brake The possibility skidded on 252 improves the accuracy of station keeping.

One end of wirerope 280 is connect with counterweight 261 by the first attachment device 263, the structure of the first attachment device 263 As shown in Figure 8, Figure 9.First attachment device 263 includes mounting base 2633 and connector 281, and connector 281 includes card interconnected Socket part 2811 forms the first bearing surface 2813 with socket part 2812, clamping portion 2811 and the intersection for wearing socket part 2812 is worn, and first supports Junction 2813 is towards wearing socket part 2812；Mounting base 2633 is configured with clamping portion accommodating chamber 26332 and wears socket part accommodating chamber 26331, It clamping portion accommodating chamber 26332 and wears socket part accommodating chamber 26331 and is interconnected, clamping portion accommodating chamber 26332 and wear socket part accommodating chamber 26331 intersection forms the second bearing surface 26333, and the second bearing surface 26333 is towards clamping portion accommodating chamber 26332；Clamping portion 2811 are mounted in clamping portion accommodating chamber 26332, wear socket part 2812 and are mounted on and wear in socket part accommodating chamber 26331, along clamping portion 2811 towards the mobile mobile trend direction of socket part accommodating chamber 26331 is worn, and the projection of the first bearing surface 2813 is at least a part of It falls in the second bearing surface 26333.When connector 281 is drawn, the first bearing surface 2813 and 26333 phase mutual connection of the second bearing surface Touching prevents the clamping portion 2811 of connector 281 from continuing mobile to socket part accommodating chamber 26331 is worn, connector 281 is made to be securely attached to pacify It fills in seat 2633.The attachment device structure is simple, quick and easy for installation, for steel than rope 280 connection when to wirerope itself Effect on Mechanical Properties it is smaller.

One end of wirerope 280 is connect with connector 281, and specifically, wirerope 280 and connector 281 are an entirety, steel wire The both ends of rope 280 have connector 281, and when being attached operation, operator leads to the wirerope 280 with connector 281 Connector 281 is crossed to be caught in corresponding clamping portion accommodating chamber 26332 and wear socket part accommodating chamber 26331.

The clamping portion 2811 of connector 281 and wear that socket part 2812 is cylindrical, cylindrical clamping portion 2811 and cylindrical Wear that socket part 2812 is coaxial, the outer diameter of clamping portion 2811 is greater than the outer diameter for wearing socket part 2812.The structure makes the first bearing surface 2813 When contradicting with the second bearing surface 26333, the stress of all directions is more uniform.

The face for surrounding clamping portion accommodating chamber 26332 includes the arc surface of the two planes of two parallel planes and connection, Arc surface and the two planes are tangent.Surround wear socket part accommodating chamber 26331 face include two parallel planes and connect this two The arc surface of a plane, arc surface and the two planes are tangent.It surrounds the arc surface of clamping portion accommodating chamber 26332 and surrounds described The arc surface for wearing socket part accommodating chamber 26331 is coaxial.Distance between two parallel planes of clamping portion accommodating chamber 26332 allows to be clamped Portion 2811 passes through, and wears the distance between two parallel planes of socket part accommodating chamber 26331 and allows to wear socket part 2812 and passes through, connector 281 Clamping portion 2811 can enter clamping portion accommodating chamber 26332 by the opening of two interplanars of clamping portion accommodating chamber 26332, wear Socket part 2812 can wear socket part accommodating chamber 26331 by wearing the opening entrance of two interplanars of socket part accommodating chamber 26331.The structure Well solved clamping portion accommodating chamber 26332 deviate from wear socket part accommodating chamber 26331 one end opening blocked after, clamping portion 2811 can not deviate from the opening progress clamping portion accommodating chamber for wearing one end of socket part accommodating chamber 26331 from clamping portion accommodating chamber 26332 26332 the problem of.

First attachment device 263 further includes cover board 2634, wears socket part accommodating chamber 26331 away from clamping portion accommodating chamber 26332 The end face of one end be connected with cover board 2634；The cover board 2634 is configured with card slot 26341, and the face for surrounding card slot 26341 includes Two parallel planes and the arc surface for connecting the two planes, arc surface and the two planes are tangent；Surround card slot 26341 The opening direction of arc surface is opposite with the opening direction of arc surface for wearing socket part accommodating chamber 26331 is surrounded.Connector 281 is worn The movement of socket part 2812 towards the opening direction for the arc surface for wearing socket part accommodating chamber 26331 is limited by the arc surface of cover board 2634 System, the structure have further prevented connector 281 and mounting base 2633 to be detached from.

First attachment device 263 further includes whorl brace rod 2632 and jam nut 2631, jam nut 2631 and screw thread Connecting rod 2632 is connected, another end face and whorl brace rod opposite with the end face of connecting cover plate 2634 in mounting base 2633 2632 connections.First attachment device 263 is connected through a screw thread bar 2632 and is screwed into counterweight 261, and is pushed up using jam nut 2631 Tight whorl brace rod 2632 and counterweight 261, to realize the connection of the first attachment device 263 and counterweight 261.

The other end of wirerope 280 is connected with the second attachment device 270, the second attachment device 270 and the second side plate of column 292 is fixed, and the structure of the second attachment device 270 is as shown in Figure 10, Figure 11.Second attachment device 270 includes mounting base 271 and connects First 281；Connector 281 includes clamping portion 2811 interconnected and wears socket part 2812, clamping portion 2811 and the friendship for wearing socket part 2812 The first bearing surface 2813 is formed at boundary, the first bearing surface 2813 is towards wearing socket part 2812；Mounting base 271 is configured with clamping portion receiving Chamber 2711 is interconnected with socket part accommodating chamber 2712, clamping portion accommodating chamber 2711 is worn with socket part accommodating chamber 2712 is worn, and clamping portion holds It receives and chamber 2711 and wears the intersection of socket part accommodating chamber 2712 and form the second bearing surface 2713, the second bearing surface 2713 is towards clamping portion Accommodating chamber 2711；Clamping portion 2811 is mounted in clamping portion accommodating chamber 2711, is worn socket part 2812 and is mounted on and wears socket part accommodating chamber In 2712, along clamping portion 2811 towards the mobile trend direction wearing socket part accommodating chamber 2712 and moving, the throwing of the first bearing surface 2813 Shadow is at least a part of to be fallen in the second bearing surface 2713.When connector 281 is drawn, the first bearing surface 2813 is abutted with second Face 2713 contacts with each other, and prevents the clamping portion 2811 of connector 281 from continuing mobile to socket part accommodating chamber 2712 is worn, keeps connector 281 firm Admittedly be connected in mounting base 271.The attachment device structure is simple, quick and easy for installation, for steel than rope 280 connection when pair The Effect on Mechanical Properties of wirerope itself is smaller.

Equally, for the wirerope 280 from belt lacing 281 and with one entirety of formation of connector 281, it is being attached operation When, the wirerope 280 with connector 281 is caught in corresponding clamping portion accommodating chamber 2711 by connector 281 and worn by operator Socket part accommodating chamber 2712.

The face for surrounding clamping portion accommodating chamber 2711 is arc surface；Surrounding and wearing the face of socket part accommodating chamber 2712 includes two parallel Plane and connect the two planes arc surface, arc surface and the two planes are tangent；Surround clamping portion accommodating chamber 2711 Arc surface with to surround the arc surface of wearing socket part accommodating chamber 2712 coaxial；Surround the corresponding arc of arc surface of clamping portion accommodating chamber 2711 Degree be greater than π, surround clamping portion accommodating chamber 2711 arc surface must not be located at surround wear socket part accommodating chamber two parallel planes it Between.The diameter of the arc surface of clamping portion accommodating chamber 2711 is equal or slightly larger than the diameter of clamping portion 2811.By connector 281 towards clamping Portion's accommodating chamber 2711 is lifted away from the direction for wearing socket part accommodating chamber 2712, deviates from connector 281 beyond clamping portion accommodating chamber 2711 Connector 281 is moved to coaxial with the arc surface of clamping portion accommodating chamber 2711 by the end face for wearing one end of socket part accommodating chamber 2712.By It is relatively small in the diameter of wirerope 280, it can be from the two plane-parallel openings and clamping portion for wearing socket part accommodating chamber 2712 The indentation, there of the arc surface of accommodating chamber 2711 follows connector 281 to be moved to corresponding position.Connector 281 is moved to be accommodated with clamping portion After the arc surface of chamber 2711 is coaxial, connector 281 is worn into the warp of socket part 2812 towards the movement of socket part accommodating chamber 2712, connector 281 is worn Clamping portion accommodating chamber 2711, which enters, wears in socket part accommodating chamber 2712, and the clamping portion 2811 of connector 281 enters clamping portion accommodating chamber In 2711.Since the corresponding radian of the arc surface of clamping portion accommodating chamber 2711 is greater than π, and the arc surface of clamping portion accommodating chamber 2711 Diameter be equal or slightly larger than the diameter of clamping portion 2811, thus the arc surface of clamping portion accommodating chamber 2711 can limit connector 281 Clamping portion 2811 move radially, avoid connector 281 from being radially detached from mounting base 271.The structure, which does not need to recycle, is equipped with card The moving radially for cover board butt joint 281 of slot is limited.

Second attachment device 270 further includes cover board 272, and cover board 272 accommodates clamping portion accommodating chamber 2711 away from socket part is worn The opening of chamber 2712 blocks, and is detached from mounting base 271 from the opposite direction of lead to avoid connector 281.

Mounting base 271 includes the joint connection being connected with connector 281, and is consolidated with what the second side plate of column 292 was connected Determine mounting portion, joint connection is vertical with fixed installation portion, and joint connection extends towards the outside of the second side plate of column 292, The structure of the mounting base 271 is conducive to adjust the link position of wirerope 280 and the second attachment device 270, slides solderless wrapped connection dynamic The wirerope for taking turns 242 two sides, which is in same plane, to be moved.

Fig. 1 shows the structure of trolley casing assembly 400, and trolley casing assembly 400 includes heavy curtain 410, and heavy curtain 410 is by two A shell is formed by connecting, and two shells are respectively column front housing 411 and column rear shell 412, in column front housing 411 and column rear shell 414 two sides of seam that 412 connections are formed are provided with escape groove 415, and installation passage is located at column front housing 411 and column rear shell 412 are connected to the escape groove 415 of 414 two sides of seam.Telescopic arm 500 includes attachment base 520, and attachment base 520 includes adapter flange Mounting plate 521, the fixed arm mounting plate positioned opposite with adapter flange mounting plate 521 and it connect adapter flange mounting plate 521 With the cross-under plate 523 of fixed arm mounting plate.Adapter flange mounting plate 521 and the fixation positioned opposite of adapter flange mounting plate 521 Arm mounting plate and cross-under plate 523 define evacuation chamber 522, which is between two escape groove 415 of heavy curtain 410 Part provides the space of evacuation.Being located at the elongator inside and outside heavy curtain 410 is cross-under plate 523, and the position of escape groove 415 includes wearing For fishplate bar 523 with the position on heavy curtain 410 corresponding to the mobile stroke range of adapter flange 221, escape groove 415 is to be located at curtain The movement of cross-under plate 523 inside and outside curtain 410 provides the space of evacuation, facilitates the movement of the components inside and outside heavy curtain 410, curtain Curtain 410 is not contacted with adapter flange 221 and telescopic arm 500, in 500 moving process of telescopic arm connecting with adapter flange 221 not Noise can be generated.Heavy curtain 410 is formed by connecting by two shells, and folding is more convenient.Attachment base 520 is convenient in the setting of installation passage It is connect with adapter flange 221.Since connecting plate 413 is across seam 414, after attachment base 520 is connect with adapter flange 221, even While fishplate bar 413 blocks installation passage, the effect of connection column front housing 411 and column rear shell 412 is also acted.Installation passage Keep adapter flange 221 and the installation maintenance of telescopic arm 500 more convenient with the cooperation of connecting plate 413.Column rear shell 412 and vertical Column 200 is connected, and column front housing 411 is connected with column rear shell 412.

Fig. 1, Figure 12 show the graduated scale on heavy curtain, and graduated scale 4111, graduated scale 4111 are configured on heavy curtain 410 Close to escape groove 415, the extending direction of graduated scale 4111 is parallel with the extending direction of escape groove 415.4111 visual field of graduated scale As it can be seen that structure is simple and clear in range, the elevation references of pendulum position can be provided for telescopic arm 500.

Two escape groove 415 of corresponding two telescopic arms 500 are provided with graduated scale 4111 on column front housing 411.

As shown in Figure 13-Figure 15, telescopic arm 500 includes telescopic arm shell 510, attachment base 520, fixed arm 530 and movement Arm 540.Attachment base 520 is mounted on fixed arm 530 for connecting with adapter flange 221.Movement arm 540 is equipped with towards fixed arm 530 take-up, take-up make take-up contact or be detached from fixed arm 530 with the relative movement of fixed arm 530.Wherein Take-up is electromagnet 541 shown in figure 15, and fixed arm 530 includes latch 531 and track mount plate 532, electromagnet 541 Electromagnetic attraction is released when energization, electromagnet 541 is disengaged with latch 531, and operator can push movement arm 540 relatively solid Fixed arm 530 is mobile；Electromagnet 541 has electromagnetic attraction when powering off, and micro- deformation occurs for latch 531 under the action of electromagnetic attraction Keep 531 opposed electromagnets 541 of latch mobile and is contacted with electromagnet 541, when movement arm 540 is mobile relative to fixed arm 530, Due to the direct stress for the contact surface for acting on the electromagnet 541 and latch 531 that contact with each other that electromagnetic attraction generates, make mutually Frictional resistance is generated between the electromagnet 541 of contact and the resistance surface of latch 531, the relatively fixed arm 530 of retardation motion arm 540 moves It is dynamic.The structure is the telescopic moving for being able to achieve movement arm 540 and fixing arm 530 relatively, while again can be to 540 telescopic moving of movement arm When the position that regulates carry out locking positioning.540 front-end structure of movement arm has unblock button, controls electromagnet by unblock button 541 energization and power-off.

Fixed arm 530 includes latch 531 and track mount plate 532, and latch 531 and track mount plate 532 are vertical, rail Movement arm slide rail 535 is disposed on road mounting plate 532, movement arm 540 is moved along movement arm slide rail 535.The structure So that installation site of the electromagnet 541 on movement arm 540 corresponding to latch 531 connect movement arm with movement arm 540 and slides The position of dynamic guide rail 535 is circumferentially staggered, and safeguards convenient for the dismounting of electromagnet 541.

Movement arm slide rail 535 includes sliding block 5351, and movement arm 540 passes through sliding block 5351 and movement arm slide rail 535 are connected.

Along 540 moving direction of movement arm, the both ends of fixed arm 530 are provided with end plate 533, and buffer stopper 534 and end plate 533 connect It connects.End plate 533 strengthens the latch 531 of fixed arm 530 and the stability of track mount plate 532.Buffer stopper 534 is to movement arm 540 movement is limited, and movement arm 540 is avoided to be moved to other than required stroke, when movement arm 540 is moved to the pole of stroke When extreme position, buffer stopper 534 also acts as the effect of buffering, and fixed arm 530 is avoided to form hard impact to movement arm 540.

The side of latch 531 towards electromagnet 541 is additionally provided with damping mat, and the damping mat is by the biggish material of coefficient of friction It is made.The frictional resistance of contact surface when damping mat is to increase latch 531 and the contact of electromagnet 541.

In other embodiments, electromagnet 541 can also be substituted for telescopic rod, telescopic rod is stretched out, connect with latch 531 Touching is to hold out against latch 531, and retardation motion arm 540 is relative to the mobile positioning with to movement arm 540 is realized of fixed arm 530；It is flexible Bar is withdrawn to be detached from with latch 531, at this point, movement arm 540 can be mobile relative to fixed arm 530.

Although by reference to preferred embodiment, invention has been described, the case where not departing from the scope of the present invention Under, it can be carried out it is various improvement and can be with equivalent substitution of some or all of the technical features.Especially, As long as logic or structural conflict is not present, items technical characteristic mentioned in the various embodiments can combine in any way Come.The invention is not limited to specific embodiments disclosed herein, but all skills including falling within the scope of the appended claims Art scheme.

Claims (6)

1. a kind of shell, which is characterized in that the shell offers escape groove, and the position for opening up the escape groove includes being located at Position on shell corresponding to the stroke range of elongator inside and outside shell.

2. shell according to claim 1, which is characterized in that the shell is formed by connecting by multiple shells.

3. shell according to claim 2, which is characterized in that the quantity for connecting into the shell of the shell is two.

4. shell according to claim 3, which is characterized in that after the two housings close up, the seam of two housings formation Two sides offer the escape groove, and installation passage is located on two shells and is connected to the escape groove of seam two sides.

5. shell according to claim 4, which is characterized in that connected two shells using connecting plate, connecting plate will pacify Fill passage plugging.

6. shell according to claim 1, which is characterized in that the Shell structure has graduated scale, and the graduated scale is close Escape groove, the extending direction of the graduated scale and the extending direction of escape groove are parallel.