CN111976802A

CN111976802A - Intelligent cargo transferring device

Info

Publication number: CN111976802A
Application number: CN202010890706.5A
Authority: CN
Inventors: 平庆义; 郭连坤
Original assignee: Wenzhou Yulan Technology Co ltd
Current assignee: Daochen Logistics Group Co ltd
Priority date: 2020-08-29
Filing date: 2020-08-29
Publication date: 2020-11-24
Anticipated expiration: 2040-08-29
Also published as: CN111976802B

Abstract

The invention discloses an intelligent cargo transferring device, which comprises a bottom plate, wherein the bottom of an inner cavity of the bottom plate is fixedly connected with cushion blocks, the left side and the right side of each cushion block are respectively provided with a first cavity and a second cavity, the top of the bottom plate is provided with a bearing plate in a penetrating way, the bottom of the bearing plate is in contact with the cushion blocks, a first pushing mechanism is arranged between the bearing plate and the first cavity, and a second pushing mechanism is arranged between the bearing plate and the second cavity. And the work efficiency is low.

Description

Intelligent cargo transferring device

Technical Field

The invention relates to the technical field of cargo transferring, in particular to an intelligent cargo transferring device.

Background

Cargo transfer is cargo handling promptly, and cargo handling means in the transportation production process, carries out the general title of short distance removal operation to the goods, and the important component of transportation production process, main content includes: stacking of goods (related operations such as stacking and stacking of goods), entry and exit of goods (delivery of goods to and from a storage place), and classification of goods (classification of goods by type, delivery direction, and owner's demand).

Present goods shipment device is when the loading thing, and the board of placing that the transfer car bore goods is great apart from the carriage distance, if directly throw away to placing the board, the goods then probably damages because of the collision, then needs personnel to have enough to meet the need the goods between the carriage and place the board and place, and when the unloading thing, also need the manual work to carry the goods on placing the board, puts it again, and the manpower that whole in-process consumes is more, and work efficiency is low moreover.

Disclosure of Invention

The invention aims to provide an intelligent cargo transferring device, which has the advantage of high-efficiency transfer and solves the problems that when the conventional cargo shipping device loads cargos, a placing plate of a transfer trolley for bearing the cargos is far away from a carriage, if the cargos are directly thrown to the placing plate, the cargos are likely to be damaged due to collision, personnel are required to transfer the cargos between the carriage and the placing plate, when the cargos are unloaded, the cargos on the placing plate need to be manually carried and then placed, the labor consumption is high in the whole process, and the working efficiency is low.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides an intelligence cargo transfer device, includes the bottom plate, the bottom fixedly connected with cushion of bottom plate inner chamber, the left side and the right side of cushion are provided with cavity one and cavity two respectively, the top of bottom plate is run through and is provided with the loading board, the bottom and the cushion contact of loading board, be provided with pushing mechanism one between loading board and the cavity one, be provided with pushing mechanism two between loading board and the cavity two, the left side at bottom plate top is provided with buffer gear, the front side and the rear side at bottom plate top all are provided with protection machanism, the equal movable mounting in four corners of bottom plate bottom has the gyro wheel, the frame that pushes away the hands is installed in the left side of bottom.

Preferably, the pushing mechanism I comprises a motor fixedly installed at the bottom of an inner cavity of the cavity, an output shaft of the motor is fixedly connected with a screw rod, the right end of the screw rod is rotatably connected with the cushion block through a bearing, the surface of the screw rod is in threaded connection with a threaded sleeve, the front side and the rear side of the threaded sleeve are both provided with universal rotating shafts, one side of each universal rotating shaft is provided with a push rod, the left side of the bottom of the bearing plate is welded to the first connecting pieces, the inner cavity of the first connecting piece is rotatably connected with a rotating block, and one side of the rotating block is fixedly connected with the.

Preferably, the universal rotating shaft comprises a fixing block fixedly connected with the threaded sleeve, a rotating ball is rotatably connected inside the fixing block, and one side of the rotating ball penetrates through the outer side of the fixing block and is fixedly connected with the push rod.

Preferably, pushing mechanism two is including the connecting piece two of welding in two inner chamber bottoms of cavity, the inner chamber of connecting piece two rotates and is connected with the cylinder, the output fixedly connected with ejector pad of cylinder, the equal fixedly connected with slide bar in front side and the rear side of ejector pad, the right side welding of loading board bottom has two fixed frame, the surface and the fixed frame sliding connection of slide bar.

Preferably, buffer gear is including being fixed in the left shell in bottom plate top, the inner chamber sliding connection of shell has the buffer board, the right side of buffer board runs through to the right side of shell, the left side welding of buffer board has a plurality of springs one, the one end that the buffer board was kept away from to spring one and the inner wall fixed connection of shell, the front side and the rear side of buffer board all are provided with guiding mechanism.

Preferably, the guide mechanism comprises sliding grooves formed in the front side and the rear side of the inner cavity of the shell, the inner cavity of each sliding groove is connected with a sliding block in a sliding mode, and one side of each sliding block is fixedly connected with the buffer plate.

Preferably, the protection mechanism comprises two telescopic rods arranged on the left side of the top of the bottom plate, two telescopic limiting rods are arranged on the right side of the top of the bottom plate, a cross rod is arranged between each telescopic rod and each telescopic limiting rod, a blocking net is fixedly connected to the bottom of each cross rod, and the bottom of each blocking net is fixedly connected with the bottom plate.

Preferably, the telescopic link includes fixed pipe one of fixed connection in the bottom plate top, the inner chamber sliding connection of fixed pipe one has a movable rod one, the top of movable rod one runs through to the top of fixed pipe one, top and horizontal pole fixed connection on a movable rod right side.

Preferably, the telescopic limiting rod comprises a second fixed pipe fixed at the top of the bottom plate, the inner cavity of the second fixed pipe is connected with a second movable rod in a sliding mode, the top of the second movable rod penetrates through the top of the second fixed pipe, the top of the second movable rod on the left side is fixedly connected with the cross rod, and a limiting mechanism is arranged on the right side of the second fixed pipe.

Preferably, stop gear is including being fixed in the casing on two right sides of fixed pipe, the left side of casing is run through and is provided with T shape pole, the left side of T shape pole extends to the inner chamber and the fixedly connected with wedge of casing and supports the piece, the right side of movable rod two is seted up and is supported the wedge tooth's socket of piece looks adaptation with the wedge, the left side of wedge tooth's socket is run through to the inner chamber that the piece was supported to the wedge, the surface cover of T shape pole is equipped with spring two, the left end and the wedge of spring two support piece fixed connection, the right-hand member and the casing fixed connection of spring two.

Compared with the prior art, the invention has the following beneficial effects:

1. the invention uses the first pushing mechanism and the second pushing mechanism in a matching way, so that the bearing plate can be adapted according to the height of the goods in the carriage, the bearing plate is in a state of being low at the left side and high at the right side, the left side of the bearing plate is contacted with the buffer mechanism, when a user places the goods at the right side, the goods can slide leftwards due to self gravity and can be buffered by the buffer mechanism, so that the goods can not be damaged, then the user stacks the goods at the bearing plate from the leftmost side to the right side, in the process of stacking the goods, the height of the bearing plate is adjusted accordingly, so that the space at the top of the bearing plate is maximally utilized, personnel are not needed to turnover the goods in the process, the purpose of saving manpower is achieved, and when the goods are unloaded, the user can change the bearing plate into a state of being high at the left side and low at the unloading area due to self gravity, can reach the purpose that the high efficiency was transported, the in-process that the goods was put on the loading board, the height of the altitude mixture control protection machanism of loading board is followed to the user, make protection machanism shelter from the goods, the condition that the goods appears falling has been avoided, the current goods shipping device when the shipment thing has been solved, the board of placing that the transfer car bore the goods is great apart from the carriage distance, if directly throw away to placing the board, the goods then probably damages because of the collision, then need personnel to have enough to meet the need between the carriage and place the board and place the goods, and when the thing of unloading, also need the manual work to place the goods on the board and carry, put it again, the more manpower that whole in-process consumeed, and the problem that work efficiency is low.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic perspective view of a partial connection structure according to the present invention;

FIG. 3 is a schematic perspective exploded view of the buffering mechanism according to the present invention;

FIG. 4 is a front sectional view of the telescopic limiting rod structure of the present invention;

fig. 5 is an enlarged view of a portion of a in fig. 4 according to the present invention.

In the figure: 1. a base plate; 2. cushion blocks; 3. a first cavity; 4. a second cavity; 5. a carrier plate; 6. a first pushing mechanism; 61. a motor; 62. a screw; 63. a threaded sleeve; 64. a universal rotating shaft; 641. a fixed block; 642. rotating the ball; 65. a push rod; 66. a first connecting piece; 67. rotating the block; 7. a second pushing mechanism; 71. a second connecting piece; 72. a cylinder; 73. a push block; 74. a slide bar; 75. a fixed frame; 8. a buffer mechanism; 81. a housing; 82. a buffer plate; 83. a first spring; 84. a guide mechanism; 841. a chute; 842. a slider; 9. a protection mechanism; 91. a telescopic rod; 911. fixing a first pipe; 912. a first movable rod; 92. a telescopic limiting rod; 921. a second fixing pipe; 922. a second movable rod; 923. a limiting mechanism; 9231. a housing; 9232. a T-shaped rod; 9233. a wedge-shaped abutting block; 9234. a wedge-shaped tooth socket; 9235. a second spring; 93. a cross bar; 94. blocking the net; 10. a roller; 11. a hand pushing frame.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative efforts based on the embodiments of the present invention belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: the utility model provides an intelligence cargo transfer device, comprising a base plate 1, the bottom fixedly connected with cushion 2 of 1 inner chamber of bottom plate, the left side and the right side of cushion 2 are provided with cavity one 3 and cavity two 4 respectively, bottom plate 1's top is run through and is provided with loading board 5, loading board 5's bottom and cushion 2 contact, be provided with pushing mechanism one 6 between loading board 5 and the cavity one 3, be provided with pushing mechanism two 7 between loading board 5 and the cavity two 4, the left side at bottom plate 1 top is provided with buffer gear 8, the front side and the rear side at bottom plate 1 top all are provided with protection machanism 9, the equal movable mounting in four corners of bottom plate 1 bottom has gyro wheel 10, pushing hands frame 11 is installed in bottom plate.

As a preferred case of the present embodiment: the pushing mechanism I6 comprises a motor 61 fixedly arranged at the bottom of an inner cavity of the cavity I3, an output shaft of the motor 61 is fixedly connected with a screw 62, the right end of the screw 62 is rotatably connected with the cushion block 2 through a bearing, a threaded sleeve 63 is in threaded connection with the surface of the screw 62, universal rotating shafts 64 are arranged on the front side and the rear side of the threaded sleeve 63, a push rod 65 is arranged on one side of each universal rotating shaft 64, the left side of the bottom of the bearing plate 5 is welded on two connecting pieces I66, a rotating block 67 is rotatably connected with the inner cavity of each connecting piece I66, one side of each rotating block 67 is fixedly connected with the push rod 65, each universal rotating shaft 64 comprises a fixing block 641 fixedly connected with the threaded sleeve 63, a rotating ball 642 is rotatably connected inside the fixing block 641, one side of each rotating ball 642 penetrates through the outer side of the fixing block 641 and is fixedly connected with the push rod 65, the, the output end of the cylinder 72 is fixedly connected with a push block 73, the front side and the rear side of the push block 73 are both fixedly connected with a slide rod 74, the right side of the bottom of the bearing plate 5 is welded with two fixed frames 75, the surface of the slide rod 74 is slidably connected with the fixed frames 75, the motor 61 is started to drive the screw rod 62 to rotate, the screw sleeve 63 is driven to move leftwards due to the threaded connection relationship between the screw sleeve 63 and the screw rod 62, the right end of the push rod 65 is driven to move through the universal rotating shaft 64, the rotating block 67 rotates in the inner cavity of the first connecting piece 66, so that the purpose of jacking the left side of the bearing plate 5 is realized, the motor 61 rotates reversely, the function of descending the left side of the bearing plate 5 is realized, the user starts the cylinder 72 to drive the slide rod 74 to slide in the inner cavity of the fixed frames 75 through the push block 73, the cylinder, thereby realizing the height and inclination angle adjustment of the bearing plate 5.

As a preferred case of the present embodiment: the buffer mechanism 8 comprises a shell 81 fixed on the left side of the top of the bottom plate 1, a buffer plate 82 is connected to the inner cavity of the shell 81 in a sliding manner, the right side of the buffer plate 82 penetrates to the right side of the shell 81, a plurality of springs 83 are welded on the left side of the buffer plate 82, one ends, far away from the buffer plate 82, of the springs 83 are fixedly connected with the inner wall of the shell 81, guide mechanisms 84 are arranged on the front side and the rear side of the buffer plate 82 respectively, each guide mechanism 84 comprises a sliding groove 841 formed in the front side and the rear side of the inner cavity of the shell 81, a sliding block 842 is connected to the inner cavity of the sliding groove 841 in a sliding manner, one side of the sliding block 842 is fixedly connected with the buffer plate 82, when goods slide from right to left on the top of the bearing plate 5, the goods impact on the buffer plate 82, so that the buffer plate 82 moves towards the inner cavity of the shell 81 and extrudes the springs 83, the restoring force of the springs 83, the stability of the buffer plate 82 in motion is improved.

As a preferred case of the present embodiment: the protection mechanism 9 comprises two telescopic rods 91 arranged on the left side of the top of the bottom plate 1, two telescopic limiting rods 92 are arranged on the right side of the top of the bottom plate 1, a cross rod 93 is arranged between the telescopic rods 91 and the telescopic limiting rods 92, a blocking net 94 is fixedly connected to the bottom of the cross rod 93, the bottom of the blocking net 94 is fixedly connected with the bottom plate 1, the telescopic rods 91 comprise a first fixed pipe 911 fixedly connected to the top of the bottom plate 1, a first movable rod 912 is slidably connected to an inner cavity of the first fixed pipe 911, the top of the first movable rod 912 penetrates through the top of the first fixed pipe 911, the top on the right side of the first movable rod 912 is fixedly connected with the cross rod 93, the telescopic limiting rods 92 comprise a second fixed pipe 921 fixed to the top of the bottom plate 1, a second movable rod 922 is slidably connected to an inner cavity of the second fixed pipe 921, the top of the second movable, the right side of the second fixed tube 921 is provided with a limiting mechanism 923, the limiting mechanism 923 comprises a casing 9231 fixed on the right side of the second fixed tube 921, the left side of the casing 9231 is provided with a T-shaped rod 9232 in a penetrating manner, the left side of the T-shaped rod 9232 extends to the inner cavity of the casing 9231 and is fixedly connected with a wedge-shaped abutting block 9233, the right side of the second movable rod 922 is provided with a wedge-shaped tooth socket 9234 matched with the wedge-shaped abutting block 9233, the left side of the wedge-shaped tooth socket 9234 penetrates to the inner cavity of the wedge-shaped abutting block 9233, the surface of the T-shaped rod 9232 is sleeved with a second spring 9235, the left end of the second spring 9235 is fixedly connected with the wedge-shaped abutting block 9233, the right end of the second spring 9235 is fixedly connected with the casing 9231, a user pulls the cross rod 93 upwards, the cross rod 93 opens the blocking net 94, the cross rod 93 drives the first movable rod 912 to move upwards in the inner cavity of the first fixed tube 911 and the inner cavity of the second movable rod 922 to move upwards, make wedge support block 9233 move and break away from the inner chamber of wedge tooth's socket 9234 to the right side, wedge support block 9233 pressurizes spring two 9235 this moment, treat horizontal pole 93 altitude mixture control to suitable height after, the restoring force of spring two 9235 drives wedge support block 9233 and inserts the inner chamber of wedge tooth's socket 9234 and fix the height of movable rod two 922, can make to keep off net 94 and protect the goods, has avoided the goods to drop from the side.

The working principle is as follows: when the invention is used, a user can push the hand pushing frame 11 to move the bottom plate 1 to the vicinity of a carriage on the ground through the rollers 10, the bearing plate 5 is lifted to a proper position through the first pushing mechanism 6 and the second pushing mechanism 7, the left side of the bearing plate 5 is lowered by a small part through the first pushing mechanism 6, the bearing plate 5 is in a state of being low at the left side and high at the right side, goods can slide to the leftmost side of the bearing plate 5 from the rightmost side and are buffered and protected by the buffer mechanism 8, the goods need to be manually stacked on the left side of the top of the bearing plate 5, the process does not need to manually turn the goods around, the stacking efficiency is improved, the protection mechanism 9 is lifted in the stacking process, the goods are prevented from falling, in the stacking process of stacking the goods, the bearing plate 5 can be moved to a horizontal state through the first pushing mechanism 6 and the second pushing mechanism 7, and slowly moves downwards until the bearing plate, after the goods are fully piled on the top of the bearing plate 5, a user can pull the bottom plate 1 to the unloading area through the idler wheels 10 and the pushing hand rack 11, then the bearing plate 5 is in a state of being high at the left and low at the right through the pushing mechanisms I6 and II 7, the goods slide downwards due to self gravity and fall off, then the goods are stacked in the unloading area, the manpower needed in the whole process is less, and the transfer efficiency of the goods can be improved.

In summary, the following steps: the intelligent cargo transferring device enables the bearing plate 5 to be matched according to the height of the cargo in the carriage by matching the pushing mechanism I6 with the pushing mechanism II 7, so that the bearing plate 5 is in a state of being low at the left and high at the right, the left side of the bearing plate 5 is contacted with the buffer mechanism 8, when a user places the cargo at the right side, the cargo can slide leftwards due to self gravity and is buffered by being contacted with the buffer mechanism 8, so that the cargo cannot be damaged, then the user stacks the cargo from the leftmost side to the right side in the bearing plate 5, the height of the bearing plate 5 is adjusted along with the cargo stacking process, so that the space at the top of the bearing plate 5 is maximally utilized, personnel is not needed to transfer the cargo in the process, the purpose of saving manpower is achieved, and when the cargo is unloaded, the user can change the bearing plate 5 into a high state and a low state through, make the goods unload at the unloading region because of self gravity, the time of artifical unloading from the transfer device has been saved, can reach the purpose of high efficiency transportation, the in-process that the goods was put on loading board 5, the user follows the height of the altitude mixture control protection mechanism 9 of loading board 5, make protection mechanism 9 shelter from the goods, the condition that the goods appears falling has been avoided, solved current goods shipping unit when the loading thing, the board of placing that the transfer car bore the goods is great apart from the carriage distance, if directly throw to placing the board, the goods then probably damages because of the collision, then need personnel to have enough to meet the need between carriage and placing the board to the goods place, and when the unloading thing, also need the artifical goods that will place on the board to carry, put it again, the manpower that whole in-process consumes is more, and the problem that work efficiency is low.

It should be noted that, in this document, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions, and furthermore, the terms "comprise", "include", or any other variation thereof are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

The electrical components presented in the document are all electrically connected with an external master controller and 220V mains, and the master controller can be a conventional known device controlled by a computer or the like.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An intelligent cargo transferring device, comprising a base plate (1), characterized in that: the bottom fixedly connected with cushion (2) of bottom plate (1) inner chamber, the left side and the right side of cushion (2) are provided with cavity (3) and cavity two (4) respectively, the top of bottom plate (1) is run through and is provided with loading board (5), the bottom and the cushion (2) contact of loading board (5), be provided with pushing mechanism (6) between loading board (5) and cavity (3), be provided with pushing mechanism two (7) between loading board (5) and cavity two (4), the left side at bottom plate (1) top is provided with buffer gear (8), the front side and the rear side at bottom plate (1) top all are provided with protection machanism (9), the equal movable mounting in four corners of bottom plate (1) bottom has gyro wheel (10), pushing hands frame (11) are installed in the left side of bottom plate (1).

2. The intelligent cargo transferring device according to claim 1, wherein: the utility model discloses a bearing, including the bearing, bearing and bearing piece (2), the surface threaded connection of screw rod (62) has swivel nut (63), the front side and the rear side of swivel nut (63) all are provided with universal rotating shaft (64), one side of universal rotating shaft (64) is provided with push rod (65), the left side of loading board (5) bottom welds in two connecting pieces (66), the inner chamber of connecting piece (66) rotates and is connected with commentaries on classics piece (67), the one side and push rod (65) fixed connection of commentaries on classics piece (67).

3. The intelligent cargo transferring device according to claim 2, wherein: the universal rotating shaft (64) comprises a fixing block (641) fixedly connected with the threaded sleeve (63), a rotating ball (642) is rotatably connected inside the fixing block (641), and one side of the rotating ball (642) penetrates through the outer side of the fixing block (641) and is fixedly connected with the push rod (65).

4. The intelligent cargo transferring device according to claim 1, wherein: pushing mechanism two (7) is including welding connecting piece two (71) in cavity two (4) inner chamber bottom, the inner chamber of connecting piece two (71) rotates and is connected with cylinder (72), output fixedly connected with ejector pad (73) of cylinder (72), the equal fixedly connected with slide bar (74) of front side and rear side of ejector pad (73), the right side welding of loading board (5) bottom has two fixed frame (75), the surface and fixed frame (75) sliding connection of slide bar (74).

5. The intelligent cargo transferring device according to claim 1, wherein: buffer gear (8) are including being fixed in left shell (81) in bottom plate (1) top, the inner chamber sliding connection of shell (81) has buffer board (82), the right side of buffer board (82) runs through to the right side of shell (81), the left side welding of buffer board (82) has a plurality of springs (83), the inner wall fixed connection of one end of buffer board (82) and shell (81) is kept away from in spring (83), the front side and the rear side of buffer board (82) all are provided with guiding mechanism (84).

6. The intelligent cargo transferring device according to claim 5, wherein: guiding mechanism (84) are including seting up spout (841) in shell (81) inner chamber front side and rear side, the inner chamber sliding connection of spout (841) has slider (842), one side and buffer board (82) fixed connection of slider (842).

7. The intelligent cargo transferring device according to claim 1, wherein: protection machanism (9) are including setting up two left telescopic links (91) in bottom plate (1) top, the right side at bottom plate (1) top is provided with two flexible gag lever post (92), be provided with horizontal pole (93) between telescopic link (91) and flexible gag lever post (92), the bottom fixedly connected with of horizontal pole (93) keeps off net (94), keep off the bottom and bottom plate (1) fixed connection of net (94).

8. The intelligent cargo transferring device according to claim 7, wherein: telescopic link (91) are including fixed first (911) of managing of fixed connection at bottom plate (1) top, the inner chamber sliding connection of fixed first (911) has movable rod one (912), the top of movable rod one (912) runs through to the top of fixed pipe one (911), top and horizontal pole (93) fixed connection on movable rod one (912) right side.

9. The intelligent cargo transferring device according to claim 7, wherein: flexible gag lever post (92) is including being fixed in fixed two (921) of pipe at bottom plate (1) top, the inner chamber sliding connection of fixed two (921) has movable rod two (922), the top of movable rod two (922) runs through to the top of fixed two (921) of pipe, the left top and horizontal pole (93) fixed connection of movable rod two (922), the right side of fixed two (921) of pipe is provided with stop gear (923).

10. The intelligent cargo transferring device according to claim 9, wherein: stop gear (923) are including being fixed in casing (9231) on two (921) right sides of fixed pipe, the left side of casing (9231) is run through and is provided with T shape pole (9232), the left side of T shape pole (9232) extends to the inner chamber and the fixedly connected with wedge of casing (9231) and supports piece (9233), wedge tooth's socket (9234) that support piece (9233) looks adaptation with the wedge are seted up on the right side of movable rod two (922), the left side of wedge tooth's socket (9234) is run through to the inner chamber that the wedge supports piece (9233), the surface cover of T shape pole (9232) is equipped with spring two (9235), the left end and the wedge of spring two (9235) support piece (9233) fixed connection, the right-hand member and casing (9231) fixed connection of spring two (9235).