CN212047513U

CN212047513U - Transfer vehicle

Info

Publication number: CN212047513U
Application number: CN202020567744.2U
Authority: CN
Inventors: 陈绍敏; 向鹏; 曾小义; 唐前辉; 欧儒春; 向贤斌; 姚昌模; 罗远福; 鲁冠军; 梅其政; 黄丹; 向上; 邱明; 成福群; 王磊; 刘建国; 雷诗轩; 龚齐斌; 高倩霞; 贾明扬
Original assignee: Chongqing Electric Power College
Current assignee: Chongqing Electric Power College
Priority date: 2020-04-16
Filing date: 2020-04-16
Publication date: 2020-12-01
Anticipated expiration: 2030-04-16

Abstract

The utility model discloses a transfer car, including automobile body (1), be equipped with stop device in one side of this automobile body (1), be equipped with layer board (2) on automobile body (1), be equipped with first guide rail (21) and tray (3) on layer board (2), be equipped with backing plate (31) and second guide rail (22) on tray (3), be equipped with on second guide rail (22) and hold in the palm tank tower (4), the bottom of this hold in the palm tank tower (4) is equipped with unilateral rail wheel (41), the shaft of unilateral rail wheel (41) is spacing with the corresponding position butt of stop device; a supporting block (43) is movably arranged on the supporting box frame (4), and a cargo unloading plate (5) is detachably arranged on the supporting plate (2). The utility model discloses can fix spacing support box frame on the automobile body, support box frame can also move the loading and unloading on the automobile body, and the goods on the support box frame is also convenient for load and unload simultaneously, simple structure, and the flexible operation is convenient, and application scope is wide.

Description

Transfer vehicle

Technical Field

The utility model relates to a technical field, in particular to transit car are transported in commodity circulation.

Background

In the production process, the raw materials and the finished products need to be transported for a short distance by adopting a transfer car. At present, in order to fix the goods, users often adopt an original binding mode, and obviously, the loading and unloading are complicated in mode, and the safety and the stability are not high; in addition, the transfer car needs to be unloaded to a proper position after being transported to a proper position, which is difficult for heavy cargos by manpower, such as assistance of other carrying devices and increased cost.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a transit wagon that the freight of both being convenient for was spacing, the goods loading and unloading of being convenient for again.

The technical scheme of the utility model as follows:

a transfer car comprises a car body, wherein a limiting device is arranged on one side of the car body, a supporting plate is arranged on the car body, a first guide rail is arranged on the supporting plate, a tray is rotatably arranged in the middle of the supporting plate, two base plates are parallelly arranged at positions, corresponding to the upper end face of the supporting plate, on two sides of the tray, pulleys are embedded in the upper end faces of the base plates, a second guide rail communicated with the first guide rail is arranged on the tray, a box supporting frame is arranged on the second guide rail, a single-side track wheel is arranged at the bottom of the box supporting frame, and a wheel shaft of the single-side track wheel is abutted against and limited at a position corresponding to the limiting device; the box supporting frame is movably provided with a supporting block, and the vehicle body is detachably provided with a cargo unloading plate.

By adopting the structure, the box supporting frame is moved to the second guide rail by the unloading plate, and part of the vehicle body is moved to the first guide rail, at the moment, the corresponding positions of the limiting devices are respectively abutted against and limited on the wheel shafts of the unilateral track wheels and the unilateral track wheels, and the transportation stability of the box supporting frame is ensured in the moving process of the vehicle body; for wider goods, the parallel base plates can play an auxiliary supporting role, so that overturning in turning is avoided, and meanwhile, in the loading and unloading process, the moving resistance of carrying can be reduced by the pulleys on the base plates; the tray that the activity set up, according to the specification of box, the width of being convenient for adjust the support and carrying the position, removable discharge board is convenient for tear open and gets, occupation space not, and it is nimble to use, the simple operation, and application scope is wide.

In order to facilitate the operation and simplify the structure, preferably, the limiting device comprises a pull rod which is fixedly hinged on the vehicle body, a transmission rod is hinged in the middle of the pull rod, two first connecting rods are arranged on the transmission rod in parallel, a buffer box is arranged at the non-hinged end of each first connecting rod in a penetrating way, a sleeve is fixedly arranged at the penetrating end of each first connecting rod, a pressure spring is arranged in the sleeve, one end of the pressure spring is abutted against the bottom surface of the sleeve, and the other end of the pressure spring is abutted against the inner side wall of the corresponding end of the buffer box; a second connecting rod penetrates through one side of the buffer box, and the penetrating end of the second connecting rod is sleeved in the pressure spring and is fixedly connected with the penetrating end of the first connecting rod in a threaded manner; the non-penetrating end of the second connecting rod is hinged with a brake rod, one end of the brake rod is hinged and fixed at a corresponding position of the vehicle body, the other end of the brake rod is provided with a brake block, and the brake block is abutted against the outer side wall of the wheel shaft of the unilateral track wheel.

In order to match the movement amount of the pull rod and ensure the movement limit, preferably, the sleeve is screwed with a guide pin, a guide groove is formed in the position, corresponding to the guide pin, of the buffer box, and the guide pin penetrates through the guide groove.

In order to facilitate the moving and positioning of the bracket box frame on the vehicle body, preferably, a boss is fixedly arranged on one side of the bracket plate, two limiting blocks are symmetrically arranged on the other side of the bracket plate, two supports are symmetrically arranged on the upper end face of the boss, each support is hinged with one braking rod, an arc-shaped braking block is fixedly connected between the two braking rods, and when the goods shelf is moved in place, the limiting blocks are abutted and limited with the wheel face of the unilateral track wheel.

In order to simplify the structure and facilitate adjustment, preferably, at least one box placing box is arranged on the box supporting frame, a supporting plate is arranged at the bottom of each box placing box, six grooves are symmetrically formed in the upper end surface of each supporting plate along the axial direction in parallel, a supporting block is arranged in each groove, two locking bolts are arranged on the lower end surface of each supporting block, and the supporting plates are fixedly connected to the upper end surface in a threaded manner; the groove bottom of the groove is provided with two strip-shaped grooves along the longitudinal parallel direction corresponding to the position of the locking bolt, the locking bolt is arranged in the corresponding position in an upwards penetrating mode through the strip-shaped grooves and fixed with the support block in a screwed mode, and the step end face of the nut position of the locking bolt is abutted to the corresponding position of the lower end face of the support plate.

In order to facilitate loading of the material box and disassembly and assembly of all parts, the support plates preferably comprise a first straight section, a second straight section and a vertical section, a transition inclined section is arranged between the first straight section and the second straight section, and the two support plates form a trapezoidal structure with a wide upper section and a narrow lower section; and a fixing plate is arranged on one side of the supporting block, the first straight section is fixed with the fixing plate in a threaded manner, and the vertical section is fixed with the corresponding position of the supporting block in a threaded manner.

In order to facilitate the movement of the box body, preferably, a through groove is formed in the middle of the supporting plate, a roller is arranged at the position of the through groove, the plane of the upper end wheel face of the roller is flush with the plane of the upper end face of the second straight section, and the lower end wheel face of the roller extends into the through groove.

In order to limit the push handle, preferably, the vehicle body is provided with the push handle, the push handle is fixedly provided with a positioning box, the upper end surface and the lower end surface of the positioning box are symmetrically provided with two 7-shaped open grooves, the side wall of one side of the positioning box is provided with an arc through groove, the position of the pull rod corresponding to the arc through groove is in threaded connection with a positioning pin, the pull rod penetrates through the positioning box through the upper end open groove and the lower end open groove, and the positioning pin penetrates through the groove opening of the arc through groove.

In order to facilitate the transfer and movement of goods, preferably, an installation groove is arranged at the upper end of the vehicle body, a rotating shaft is arranged in the installation groove, and a tray is fixedly connected to the rotating shaft; and a second guide rail is fixedly arranged on the tray, the second guide rail and the first guide rail are on the same straight line, and the upper end surface of the second guide rail is flush with the upper end surface of the first guide rail.

In order to facilitate the disassembly and assembly of the unloading plate, the upper end surface of the unloading plate is preferably an inclined surface, and a third guide rail which is continuously arranged with the first guide rail is arranged on the inclined surface; a hook is arranged on one side of the unloading plate, a hanging ring is arranged on the position, corresponding to the hook, of the vehicle body, and the hanging ring is fixedly connected with the hook in a hanging mode.

Has the advantages that: the utility model discloses can fix spacing support box frame on the automobile body, support box frame can also move the loading and unloading on the automobile body, and the goods on the support box frame is also convenient for load and unload simultaneously, simple structure, and the flexible operation is convenient, and application scope is wide.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is an enlarged view of a portion a in fig. 1.

Fig. 3 is a schematic structural view of the vehicle body.

Fig. 4 is an enlarged view of fig. 3 at B.

Fig. 5 is a schematic structural view of the tray and the vehicle body.

Fig. 6 is an enlarged view of fig. 5 at C.

Fig. 7 is a schematic structural view of a single-side rail wheel and a limiting device.

Detailed Description

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

As shown in fig. 1, fig. 2, fig. 3, fig. 4, fig. 5, fig. 6 and fig. 7, the present invention comprises a vehicle body 1, etc., wherein a position-limiting device is arranged on one side of the vehicle body 1, a supporting plate 2 is arranged on the vehicle body 1, a first guide rail 21 is arranged on the supporting plate 2, an installation groove is arranged at the upper end of the vehicle body 1, a rotating shaft 25 is arranged in the installation groove, and a tray 3 is fixedly connected to the rotating shaft 25; a tray 3 is rotatably arranged in the middle of the supporting plate 2, two backing plates 31 are parallelly arranged at the positions of two sides of the tray 3 corresponding to the upper end surfaces of the supporting plate 2, pulleys 311 are embedded in the upper end surfaces of the backing plates 31, a second guide rail 22 communicated with the first guide rail 21 is arranged on the tray 3, the second guide rail 22 and the first guide rail 21 are on the same straight line, and the upper end surface of the second guide rail 22 is flush with the upper end surface of the first guide rail 21; the second guide rail 22 is provided with a box supporting frame 4, and the bottom of the box supporting frame 4 is provided with a single-side rail wheel 41 which is connected with the second guide rail 22 in a rolling way.

The limiting device comprises a pull rod 11 which is fixedly hinged on the vehicle body 1, a push handle 7 is arranged on the vehicle body 1, a positioning box 71 is fixedly arranged on the push handle 7, two 7-shaped open grooves are symmetrically arranged on the upper end surface and the lower end surface of the positioning box 71, an arc-shaped through groove is arranged on the side wall of one side of the positioning box 71, a positioning pin 72 is screwed at the position, corresponding to the arc-shaped through groove, on the pull rod 11, the pull rod 11 penetrates through the positioning box 71 through the open grooves on the upper end surface and the lower end surface, and the positioning pin 72 penetrates through the notch of the arc-shaped through groove; a transmission rod 111 is hinged to the middle of the pull rod 11, two first connecting rods 12 are arranged on the transmission rod 111 in parallel, a buffer box 13 penetrates through the non-hinged end of each first connecting rod 12, a sleeve 14 is fixedly arranged at the penetrating end of each first connecting rod 12, a guide pin 141 is screwed on the sleeve 14, a guide groove 131 is arranged at the position, corresponding to the guide pin 141, on the buffer box 13, and the guide pin 141 penetrates through the guide groove 131; a pressure spring 15 is arranged in the sleeve 14, one end of the pressure spring 15 is abutted against the bottom surface of the sleeve 14, and the other end of the pressure spring 15 is abutted against the inner side wall of the corresponding end of the buffer box 13; a second connecting rod 16 penetrates through one side of the buffer box 13, and the penetrating end of the second connecting rod 16 is sleeved in the pressure spring 15 and is fixedly connected with the penetrating end of the first connecting rod 12 in a screwed manner; a brake lever 17 is hinged to the non-penetrating end of the second connecting rod 16, one end of the brake lever 17 is hinged and fixed to a corresponding position of the vehicle body 1, a brake block 171 is arranged at the other end of the brake lever 17, and the brake block 171 is abutted to the outer side wall of the wheel shaft of the unilateral rail wheel 41.

The shelf is characterized in that a boss 23 is fixedly arranged on one side of the supporting plate 2, two limiting blocks 24 are symmetrically arranged on the other side of the supporting plate, two supports are symmetrically arranged on the upper end face of the boss 23, each support is hinged to one brake rod 17, an arc-shaped brake block 171 is fixedly connected between the two brake rods 17, and when the shelf is moved to a position, the limiting blocks 24 are abutted and limited to the wheel face of the unilateral rail wheel 41.

It puts the boxed, every to be equipped with at least one on the bracket frame 4 the bottom of putting the boxed all is equipped with a fagging 42 the up end of fagging 42 is equipped with six recesses, every along the axial direction parallel symmetry all be equipped with a tray 43 in the recess the lower terminal surface of tray 43 is equipped with two locking bolts, and the up end spiro union is fixed with backup pad 44, and the position department that corresponds locking bolt at the tank bottom of this recess is equipped with two bar grooves along vertical parallel, corresponds the position locking bolt upwards wears to establish the bar groove to it is fixed with tray 43 spiro union, the step terminal surface of locking bolt nut position and the corresponding position butt of fagging 42 lower extreme surface.

The supporting plate 44 comprises a first straight section 441, a second straight section 442 and a vertical section 443, a transition inclined section 444 is arranged between the first straight section 441 and the second straight section 442, and the two supporting plates 44 form a trapezoidal structure with a wide upper section and a narrow lower section; a fixing plate 45 is arranged on one side of the supporting block 43, the first straight section 441 is fixed with the fixing plate 45 in a threaded manner, and the vertical section 443 is fixed with the corresponding position of the supporting block 43 in a threaded manner.

A through groove is arranged in the middle of the supporting plate 42, a roller 6 is arranged at the position of the through groove, the plane of the upper end wheel surface of the roller 6 is flush with the plane of the upper end surface of the second straight section 442, and the lower end wheel surface extends into the through groove.

A discharging plate 5 is arranged on the vehicle body 1, the upper end surface of the discharging plate 5 is an inclined surface, and a third guide rail 51 which is arranged to be communicated with the second guide rail 22 is arranged on the inclined surface; a hook 52 is arranged on one side of the unloading plate 5, a hanging ring is arranged on the position, corresponding to the hook 52, of the vehicle body 1, and the hanging ring is fixedly connected with the hook 52 in a hanging mode.

The utility model discloses a use method as follows:

as shown in fig. 1 to 7, two rows of first guide rails 21 are arranged in parallel on a vehicle body 1, gaps are arranged in the middle of the two rows of first guide rails 21, a tray 3 connected with a rotating shaft is arranged in the middle of the upper end of the vehicle body 1, two rows of second guide rails 22 are arranged in parallel on the tray 3 corresponding to the gaps in the middle of the first guide rails 21, the upper end surfaces of the second guide rails 22 are flush with the upper end surfaces of the first guide rails 21, and the tray 3 is rotated to enable the second guide rails 22 at the corresponding ends and the first guide rails 21 to be on the same straight line, so that the smooth movement of a tray box frame 4 on the vehicle body 1 is ensured.

On the vehicle body 1, the stacked box supporting frame 4 is pushed to one end of the pushing handle 7, the limiting block 24 is abutted against the wheel surface of the unilateral rail wheel 41 for limiting, the vertical section of the 7-shaped open slot on the positioning box 71 is arranged along the axial direction of the positioning box 71, the horizontal section is arranged along the longitudinal direction of the positioning box 71, the pull rod 11 is pulled, and the positioning pin 72 moves in the arc-shaped through groove to drive the transmission rod 111 to move towards the push handle 7, and simultaneously drives the two first connecting rods 12 and the second connecting rod 16 to move in the same direction, so that the end of the brake lever 17 on which the brake block 171 is arranged is turned upwards, and the brake block 171 is brought into contact with the outer side wall of the wheel axle between the two single-sided rail wheels 41, and at this time, the pull rod 11 is driven to move to the horizontal section position of the 7-shaped open slot, and the outer side wall of the pull rod 11 is abutted with the slot wall of the corresponding position of the open slot for limiting so as to position the wheel shaft of the unilateral track wheel 41; because the buffer box 13 is connected between each first connecting rod 12 and each second connecting rod 16, and the pressure spring 15 sleeved on the second connecting rod 16 is arranged in the buffer box 13, particularly when the box supporting frame 4 moves along the slope on the vehicle body 1 towards the other end of the push handle 7 when the slope position moves, the buffer function can be achieved, the instant moving amount of the box supporting frame 4 is reduced, the judgment time of an operator is prolonged, and the pull rod 11 is conveniently pulled to control; even if certain movement is generated, the moving box supporting frame 4 can be gradually decelerated under the action of the elastic force of the pressure spring 15 until the box supporting frame stops, the stacked box supporting frames 4 are prevented from falling off due to instant displacement or stop, and the safety of the use process is improved.

In the transportation process, the parallel arrangement of the backing plates 31 can play a role in auxiliary supporting for the corresponding ends of the box supporting frame 4, so that overturning in turning is avoided, and meanwhile, in the loading and unloading process, the pulleys 311 on the backing plates 31 can also reduce the moving resistance for pushing and carrying.

Six support plates 44 fixed on the support block 43 are symmetrically arranged, the box body can be placed and fall off, two locking bolts are screwed on the lower end face of the support block 43 along the axial direction, the support block 43 is moved in a groove of the support plate 42 according to the specification of the box body, the locking bolts screwed with the support block 43 move in a strip-shaped groove, after the locking bolts are moved in place, the locking bolts are riveted, the step end face of the nut position of the locking bolt is abutted and fixed with the corresponding position of the lower end face of the support plate 42, the width of the supporting position is convenient to adjust, and the box bodies with various specifications can be placed; the first straight section 441, the second straight section 442, the vertical section 443 and the transition inclined section 444 arranged on the supporting plates 44 improve bearing strength, a trapezoidal structure with a wide upper section and a narrow lower section is formed between the two supporting plates 44, a placing yielding space is increased, the box body with local deformation is convenient to place, and the use efficiency of the box supporting frame 4 is improved.

The hanging ring is fixedly hung on the hook 52, so that the unloading plate 5 is connected with the vehicle body 1, the third guide rail 51 is connected with the first guide rail 21, namely the third guide rail 51 is communicated with the first guide rail 21 in an aligned manner, the moving interference of the unilateral rail wheel 41 is avoided, the unloading plate 5 can be conveniently taken down after goods are loaded and unloaded, and no space is occupied; after the box supporting frame 4 leaves the vehicle body 1, the arranged unilateral rail wheel 41 can also enable the box supporting frame 4 to continue to move, and the box supporting frame is flexible to use, convenient to operate and wide in application range.

The utility model discloses do not describe the part unanimously with prior art, do not describe herein any more.

The above is only the embodiment of the present invention, not the limitation of the patent scope of the present invention, all the equivalent structures made by the contents of the specification and the drawings are directly or indirectly applied to other related technical fields, all the same principle is within the patent protection scope of the present invention.

Claims

1. The utility model provides a transit car which characterized in that: the trolley comprises a trolley body (1), wherein a limiting device is arranged on one side of the trolley body (1), a supporting plate (2) is arranged on the trolley body (1), a first guide rail (21) is arranged on the supporting plate (2), a tray (3) is rotatably arranged in the middle of the supporting plate (2), two backing plates (31) are arranged on two sides of the tray (3) in parallel at positions corresponding to the upper end surfaces of the supporting plate (2), pulleys (311) are embedded in the upper end surfaces of the backing plates (31), a second guide rail (22) communicated with the first guide rail (21) is arranged on the tray (3), a box bracket (4) is arranged on the second guide rail (22), a single-side track wheel (41) is arranged at the bottom of the box bracket (4), and the wheel shaft of the single-side track wheel (41) is limited by the corresponding abutting position of the limiting device; a supporting block (43) is movably arranged on the supporting box frame (4), and a cargo unloading plate (5) is detachably arranged on the vehicle body (1).

2. The transfer cart of claim 1, wherein: the limiting device comprises a pull rod (11) fixedly hinged on the vehicle body (1), a transmission rod (111) is hinged in the middle of the pull rod (11), two first connecting rods (12) are arranged on the transmission rod (111) in parallel, a buffer box (13) is arranged at the non-hinged end of each first connecting rod (12) in a penetrating mode, a sleeve (14) is fixedly arranged at the penetrating end of each first connecting rod (12), a pressure spring (15) is arranged in each sleeve (14), one end of each pressure spring (15) is abutted to the bottom surface of each sleeve (14), and the other end of each pressure spring is abutted to the inner side wall of the corresponding end of each buffer box (13); a second connecting rod (16) penetrates through one side of the buffer box (13), and the penetrating end of the second connecting rod (16) is sleeved in the pressure spring (15) and is fixedly connected with the penetrating end of the first connecting rod (12) in a screwed mode; the non-penetrating end of the second connecting rod (16) is hinged with a brake rod (17), one end of the brake rod (17) is hinged and fixed at the corresponding position of the vehicle body (1), the other end of the brake rod is provided with a brake block (171), and the brake block (171) is abutted against the outer side wall of the wheel shaft of the unilateral rail wheel (41).

3. The transfer cart of claim 2, wherein: the sleeve (14) is in threaded connection with a guide pin (141), a guide groove (131) is formed in the position, corresponding to the guide pin (141), of the buffer box (13), and the guide pin (141) penetrates through the guide groove (131).

4. The transfer cart of claim 2, wherein: one side on layer board (2) sets firmly boss (23), and the opposite side symmetry is equipped with two stopper (24) the up end symmetry of boss (23) is equipped with two supports, every the support all articulates and connects a brake lever (17), two connect between brake lever (17) and be fixed with curved brake shoes (171), when goods shelves remove to target in place, stopper (24) and the wheel face butt of unilateral rail wheel (41) are spacing.

5. The transfer cart of claim 1, wherein: at least one box placing box is arranged on the box supporting frame (4), the bottom of each box placing box is provided with a supporting plate (42), the upper end surface of each supporting plate (42) is symmetrically provided with six grooves in parallel along the axial direction, each groove is internally provided with a supporting block (43), the lower end surface of each supporting block (43) is provided with two locking bolts, and the upper end surface is fixedly connected with a supporting plate (44) in a threaded manner; the position of the groove bottom corresponding to the locking bolt is provided with two strip-shaped grooves along the longitudinal parallel, the locking bolt corresponding to the position upwards penetrates through the strip-shaped grooves and is fixed with a support block (43) in a threaded manner, and the step end face of the locking bolt and the nut position are abutted against the corresponding position of the lower end face of a support plate (42).

6. The transfer cart of claim 5, wherein: the supporting plates (44) comprise a first straight section (441), a second straight section (442) and a vertical section (443), a transition inclined section (444) is arranged between the first straight section (441) and the second straight section (442), and the two supporting plates (44) form a trapezoidal structure with a wide upper section and a narrow lower section; a fixing plate (45) is arranged on one side of the supporting block (43), the first straight section (441) is fixed with the fixing plate (45) in a threaded mode, and the vertical section (443) is fixed with the corresponding position of the supporting block (43) in a threaded mode.

7. The transfer cart of claim 6, wherein: a through groove is formed in the middle of the supporting plate (42), a roller (6) is arranged at the position of the through groove, the plane of the upper end wheel face of the roller (6) is flush with the plane of the upper end face of the second straight section (442), and the lower end wheel face of the roller extends into the through groove.

8. The transfer cart of claim 2, wherein: be equipped with on automobile body (1) and push away handle (7) push away and set firmly location box (71) on handle (7) the upper and lower terminal surface symmetry of location box (71) is equipped with two "7" font open slots, is equipped with the arc on the lateral wall of this location box (71) one side and leads to the groove location department spiro union of the groove is led to corresponding the arc on pull rod (11) has locating pin (72), pull rod (11) are worn to establish location box (71) through the open slot of upper and lower extreme, and locating pin (72) are worn to go out the notch that the arc led to the groove.

9. The transfer cart of claim 1, wherein: an installation groove is formed in the upper end of the vehicle body (1), a rotating shaft (25) is arranged in the installation groove, and a tray (3) is fixedly connected to the rotating shaft (25); a second guide rail (22) is fixedly arranged on the tray (3), the second guide rail (22) and the first guide rail (21) are on the same straight line, and the upper end face of the second guide rail (22) is flush with the upper end face of the first guide rail (21).

10. The transfer cart of claim 1, wherein: the upper end surface of the unloading plate (5) is an inclined surface, and a third guide rail (51) which is continuously arranged with the first guide rail (21) is arranged on the inclined surface; a hook (52) is arranged on one side of the unloading plate (5), a hanging ring is arranged on the position, corresponding to the hook (52), of the vehicle body (1), and the hanging ring is fixedly connected with the hook (52).