CN220165739U - Efficient storehouse stacker - Google Patents

Abstract

The utility model relates to the technical field of stackers and discloses a high-efficiency warehouse stacker which comprises a gear plate, wherein a side plate is fixedly connected to the outer wall of the front end of the gear plate, a reflecting plate is arranged on the outer wall of the rear end of the side plate, a mounting plate is arranged on the upper portion of the rear end of the gear plate, a supporting plate is fixedly connected to the front end and the rear end of the upper surface of the mounting plate, and a mounting box is fixedly connected to the upper surface of the supporting plate. Compared with the existing stacker, the laser distance meter and the first induction piece are arranged, the laser distance meter irradiates laser on the reflecting plate and then reflects the laser back to the laser distance meter, so that the distance from the mounting plate to the side plate can be measured preliminarily, and the first induction piece and the second induction piece are arranged to induce each other, so that the position of the stacker body can be measured and calibrated accurately, and the phenomenon that the position of the stacker body is inaccurate and production accidents are caused is avoided.

Description

Efficient storehouse stacker

Technical Field

The utility model relates to the technical field of stackers, in particular to a warehouse stacker with high efficiency.

Background

The stacker is a special crane for grabbing, carrying and stacking unit cargoes by using forks or strings or storing and taking unit cargoes from a high-rise goods shelf, and is a storage device which is divided into a bridge type stacker crane and a tunnel type stacker crane.

Most of the existing stackers cannot effectively measure and calibrate the position of the stacker body in the operation process, so that the goods cannot be accurately forked and placed, and when the goods are forked out, the middle part of the goods fork is likely to collapse or break or incline one side of the goods fork due to the dead weight of the goods fork and the weight of the tray after the goods fork is completely extended, and therefore, technical improvement is needed urgently.

Disclosure of Invention

Compared with the existing stacker, the stacker has the advantages that the limiting plate is arranged, when the electric sliding block drives the fork plate to move forwards to fork goods, the limiting sliding block is driven to move on the limiting sliding rod through the telescopic rods on two sides of the fork plate, and then the telescopic rods are fixedly connected with the fork plate, so that when the fork plate forks goods, the telescopic rods can limit the fork plate, and the problem that the other end of the fork plate tilts when the fork plate forks goods is avoided.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the novel transmission mechanism comprises a gear plate, wherein a side plate is fixedly connected to the outer wall of the front end of the gear plate, a light reflecting plate is arranged on the outer wall of the rear end of the side plate, a mounting plate is arranged on the upper portion of the rear end of the gear plate, a supporting plate is fixedly connected to the front end and the rear end of the upper surface of the mounting plate, a mounting box is fixedly connected to the upper surface of the supporting plate, a first servo motor is fixedly connected to the center of the upper surface of the mounting box, a mounting cavity is formed in the mounting box, the output end of the first servo motor penetrates through the mounting box to the mounting cavity and is fixedly connected with a first driving gear, a rotating shaft is arranged in the mounting cavity, a first driven gear is sleeved in the middle of a shaft body of the rotating shaft, a second driving gear is sleeved on two sides of the shaft body of the rotating shaft, a movable cavity is formed in the middle of the supporting plate, a threaded rod is arranged in the movable cavity, the threaded rod penetrates through the movable cavity to the mounting cavity and is sleeved with a second driven gear, and the threaded rod body is sleeved with a threaded block and is fixedly connected to one side of the supporting plate, which is close to the middle of the supporting plate;

two lifting sliding grooves are formed in the outer wall of one side, close to the center of the mounting plate, of the supporting plate, lifting sliding rods are arranged in the lifting sliding grooves, lifting sliding blocks are sleeved on the rod bodies of the lifting sliding rods, the lifting sliding blocks are fixedly connected with the supporting plate, two mounting blocks are fixedly connected to one side of the upper surface of the supporting plate, clamping blocks are fixedly connected to the upper surface of the mounting blocks, two electric sliding rails are arranged on one side, far away from the mounting blocks, of the upper surface of the supporting plate, electric sliding blocks are arranged in the electric sliding rails, fork plates are fixedly connected to the upper surfaces of the electric sliding blocks, two clamping grooves are formed in one side, close to the mounting block, of the lower surface of the fork plate, two limiting plates are fixedly connected to the middle of the lower surface of the mounting box, limiting sliding grooves are formed in the middle of the lower surface of the limiting plates, limiting sliding rods are arranged in the limiting sliding grooves, limiting sliding blocks are sleeved on rod bodies of the limiting sliding rods, telescopic rods are fixedly connected to one sides of the outer wall of the front end of the fork plate and the outer wall of the rear end of the fork plate, the upper surface of each telescopic rod is fixedly connected with the lower surface of each limiting sliding block, and a laser range finder is fixedly connected to the outer wall of the front end of each supporting plate;

the mounting plate comprises a mounting plate, wherein a mounting box is fixedly connected to the outer wall of the rear end of the mounting plate, a placement box is fixedly connected to the outer wall of one side of the mounting box, a second servo motor is fixedly connected to the inner bottom surface of the placement box, the output end of the second servo motor penetrates through the placement box and the mounting box and is fixedly connected with a gear plate, a supporting chute is formed in the outer wall of one side of the gear plate, a supporting slide rod is arranged in the supporting chute, a supporting slide block is sleeved on the rod body of the supporting slide rod, a connecting plate is fixedly connected to the outer wall of one side, far away from the gear plate, of the supporting slide block, the rear end of the upper surface of the connecting plate is fixedly connected with one side of the lower surface of the mounting box, a plurality of support columns are fixedly connected to the upper surface of the supporting columns, a second induction plate is fixedly connected to the outer wall of one side of the mounting plate, and a plurality of first induction plates are fixedly connected to the lower end of the outer wall of one side, close to the supporting chute, of the gear plate is provided with a plurality of first induction plates;

through above-mentioned technical scheme, contrast current stacker, this stacker can carry out accurate location to the stacker body through setting up laser rangefinder, first response piece and second response piece, and telescopic link and limiting plate that the rethread set up can carry out effectual spacing to the fork arm when the fork arm carries out fork and gets the goods, has avoided the fork arm to fork the problem of slope when getting the goods.

Further, the gear plate is in meshed connection with the gear plate;

through above-mentioned technical scheme, thereby make the mounting panel better remove through gear disk and gear plate meshing connection.

Further, two ends of the rotating shaft are rotatably connected with the inner walls of two sides of the mounting cavity;

through above-mentioned technical scheme, both ends through the axis of rotation all rotate with the both sides inner wall of installation cavity and be connected, make the axis of rotation can be better rotate.

Further, the upper surface of the threaded rod is fixedly connected with the inner top surface of the installation cavity, and the lower surface of the threaded rod is rotatably connected with the inner bottom surface of the movable cavity;

through above-mentioned technical scheme, through the upper surface of threaded rod all with the interior top surface fixed connection of installation cavity and the lower surface of threaded rod all with the interior bottom surface rotation connection of activity chamber make the threaded rod can be better rotate.

Further, the first driving gear is in meshed connection with the first driven gear;

through above-mentioned technical scheme, through first driving gear and first driven gear meshing connection can be better make the axis of rotation rotate.

Further, the second driving gears are all in meshed connection with the second driven gears;

through above-mentioned technical scheme, all with second driven gear meshing connection can be better through the second driving gear make the threaded rod rotate.

Further, the lower ends of the outer walls of the two sides of the gear plate are fixedly connected with a plurality of fixing plates;

through above-mentioned technical scheme, through the equal fixedly connected with a plurality of fixed plates of lower extreme of gear plate both sides outer wall, can be better fix the gear plate.

Further, the clamping blocks are all in sliding connection in the clamping grooves;

through above-mentioned technical scheme, all avoid the fork plate lower surface to keep away from the one end of electronic slider and the upper surface of bearing board to rub at the inside sliding connection of draw-in groove through the fixture block.

The utility model has the following beneficial effects:

1. compared with the existing stacker, the high-efficiency warehouse stacker provided by the utility model has the advantages that the laser range finder and the first induction sheet are arranged, the laser range finder irradiates the reflecting plate and then reflects the laser back to the laser range finder, so that the distance from the mounting plate to the side plate is initially measured, and the first induction sheet and the second induction sheet are mutually induced, so that the position of the stacker body is accurately measured and calibrated, and the phenomenon that the position of the stacker body is inaccurate and production accidents are caused is avoided.

2. Compared with the existing stacker, the high-efficiency warehouse stacker provided by the utility model has the advantages that the stacker body can be accurately positioned by arranging the laser range finder, the first sensing piece and the second sensing piece, and the fork plate can be effectively limited when the fork plate is used for forking goods by virtue of the telescopic rod and the limiting plate, so that the problem of inclination when the fork plate is used for forking goods is avoided.

3. Compared with the existing stacker, the high-efficiency warehouse stacker provided by the utility model has the advantages that the limiting plate is arranged, when the electric sliding block drives the fork plate to move forwards to fork goods, the limiting sliding block is driven to move on the limiting sliding rod through the telescopic rods at two sides of the fork plate, and then the telescopic rods are fixedly connected with the fork plate, so that the telescopic rods can limit the fork plate when the fork plate fork goods, and the problem that the other end of the fork plate tilts when the fork plate fork goods is taken is solved.

Drawings

FIG. 1 is an isometric view of a high efficiency warehouse stacker of the present utility model;

FIG. 2 is a front cross-sectional view of a mounting box in a high efficiency warehouse stacker in accordance with the present utility model;

FIG. 3 is an isometric view of a bearing plate in a warehouse stacker with high efficiency in accordance with the present utility model;

FIG. 4 is a bottom view of a fork plate in an efficient warehouse stacker in accordance with the present utility model;

FIG. 5 is a side cross-sectional view of a mounting box in a high efficiency warehouse stacker in accordance with the present utility model;

FIG. 6 is a bottom view of a stop plate in a high efficiency warehouse stacker in accordance with the present utility model;

FIG. 7 is an isometric view of a telescoping rod in a warehouse stacker with high efficiency in accordance with the present utility model;

FIG. 8 is an enlarged view of FIG. 1 at A;

fig. 9 is an enlarged view at B in fig. 1.

Legend description:

1. a gear plate; 2. a fixing plate; 3. a light reflecting plate; 4. a side plate; 5. a laser range finder; 6. lifting the slide bar; 7. lifting the chute; 8. a threaded rod; 9. a screw block; 10. lifting the sliding block; 11. a first servo motor; 12. a mounting box; 13. a limiting plate; 14. a fork plate; 15. a support plate; 16. a mounting block; 17. a bearing plate; 18. a first sensing piece; 19. a mounting box; 20. a telescopic rod; 21. a second drive gear; 22. a rotating shaft; 23. a movable cavity; 24. a supporting chute; 25. a second driven gear; 26. a mounting cavity; 27. supporting a slide bar; 28. a first driven gear; 29. a first drive gear; 30. a clamping block; 31. an electric slide block; 32. an electric slide rail; 33. a clamping groove; 34. a gear plate; 35. placing a box; 36. a second servo motor; 37. a limit slide bar; 38. a limit sliding block; 39. limiting sliding grooves; 40. a mounting plate; 41. a second sensing piece; 43. a support column; 44. a support slider; 45. and (5) connecting a plate.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-9, one embodiment provided by the present utility model is: the novel multifunctional power transmission device comprises a gear plate 1, wherein a side plate 4 is fixedly connected to the outer wall of the front end of the gear plate 1, a light reflecting plate 3 is arranged on the outer wall of the rear end of the side plate 4, a mounting plate 40 is arranged on the upper portion of the rear end of the gear plate 1, a supporting plate 15 is fixedly connected to the front end and the rear end of the upper surface of the mounting plate 40, a mounting box 12 is fixedly connected to the upper surface of the supporting plate 15, a first servo motor 11 is fixedly connected to the center of the upper surface of the mounting box 12, a mounting cavity 26 is formed in the mounting box 12, the output end of the first servo motor 11 penetrates through the mounting box 12 to the mounting cavity 26 and is fixedly connected with a first driving gear 29, a rotating shaft 22 is arranged in the mounting cavity 26, a first driven gear 28 is sleeved in the middle of a shaft body of the rotating shaft 22, a second driving gear 21 is sleeved on two sides of the shaft body of the rotating shaft 22, a movable cavity 23 is formed in the middle of the supporting plate 15, a threaded rod 8 is arranged in the middle of the movable cavity 23, the upper end of the threaded rod 8 penetrates through the movable cavity 23 to the mounting cavity 26 and is sleeved with a second driven gear 25, a threaded block 9 is sleeved in the rod 8, and the threaded block 9 is fixedly connected to one side of the supporting plate 17, which is close to the middle of the supporting plate 15, and is fixedly connected to one side of the supporting plate 17;

two lifting slide grooves 7 are formed in the outer wall of one side, close to the center of the mounting plate 40, of the supporting plate 15, lifting slide rods 6 are arranged in the lifting slide grooves 7, lifting slide blocks 10 are sleeved on the rod bodies of the lifting slide rods 6, the lifting slide blocks 10 are fixedly connected with the supporting plate 17, two mounting blocks 16 are fixedly connected to one side of the upper surface of the supporting plate 17, clamping blocks 30 are fixedly connected to the upper surface of the mounting block 16, two electric slide rails 32 are arranged on one side, far away from the mounting block 16, of the upper surface of the supporting plate 17, electric slide rails 32 are internally provided with electric slide blocks 31, fork plates 14 are fixedly connected to the upper surface of the electric slide blocks 31, two clamping grooves 33 are formed in one side, close to the mounting block 16, of the lower surface of the fork plates 14, two limiting slide plates 13 are fixedly connected to the middle of the lower surface of the mounting box 12, limiting slide grooves 39 are formed in the middle of the lower surface of the limiting plate 13, limiting slide blocks 37 are fixedly connected to one another side, limiting slide blocks 38 are sleeved on the rod bodies of the limiting slide grooves 37, telescopic rods 20 are fixedly connected to one side, far away from the front end of the fork plates 14, the front end of the telescopic rods 20 are fixedly connected to the front end of the laser range finder 15;

the rear end outer wall of the mounting plate 40 is fixedly connected with the mounting box 19, one side outer wall of the mounting box 19 is fixedly connected with the placement box 35, the inner bottom surface of the placement box 35 is fixedly connected with the second servo motor 36, the output end of the second servo motor 36 penetrates through the placement box 35 and the mounting box 19 and is fixedly connected with the gear plate 34, one side outer wall of the gear plate 1 is provided with the support sliding groove 24, the inside of the support sliding groove 24 is provided with the support sliding rod 27, a support sliding block 44 is sleeved on the rod body of the support sliding rod 27, one side outer wall of the support sliding block 44 far away from the gear plate 1 is fixedly connected with the connecting plate 45, the rear end of the upper surface of the connecting plate 45 is fixedly connected with one side of the lower surface of the mounting box 19, the front end of the upper surface of the connecting plate 45 is fixedly connected with the plurality of support columns 43, the upper surfaces of the support columns 43 are fixedly connected with the mounting plate 40, one side outer wall of the mounting plate 40 is fixedly connected with the second sensing piece 41, and one side outer wall lower end of the gear plate 1 near the support sliding groove 24 is fixedly connected with the plurality of the first sensing pieces 18;

compared with the existing stacker, the stacker can accurately position the stacker body by arranging the laser range finder 5, the first sensing piece 18 and the second sensing piece 41, and the telescopic rod 20 and the limiting plate 13 are arranged, so that the fork plate 14 can be effectively limited when the fork plate 14 is used for forking cargoes, and the problem that the fork plate 14 tilts when the fork plate 14 is used for forking cargoes is avoided.

The gear plate 34 is meshed with the gear plate 1, the gear plate 34 is meshed with the gear plate 1 to enable the mounting plate 40 to move better, two ends of the rotating shaft 22 are rotationally connected with two side inner walls of the mounting cavity 26, the rotating shaft 22 can rotate better through the two ends of the rotating shaft 22 being rotationally connected with two side inner walls of the mounting cavity 26, the upper surface of the threaded rod 8 is fixedly connected with the inner top surface of the mounting cavity 26, the lower surface of the threaded rod 8 is rotationally connected with the inner bottom surface of the movable cavity 23, the threaded rod 8 can rotate better through the upper surface of the threaded rod 8 being fixedly connected with the inner top surface of the mounting cavity 26 and the lower surface of the threaded rod 8 being rotationally connected with the inner bottom surface of the movable cavity 23, the first driving gear 29 is meshed with the first driven gear 28, the rotation shaft 22 can be better rotated through the engagement connection of the first driving gear 29 and the first driven gear 28, the second driving gear 21 is in engagement connection with the second driven gear 25, the threaded rod 8 can be better rotated through the engagement connection of the second driving gear 21 and the second driven gear 25, the lower ends of the outer walls on the two sides of the gear plate 1 are fixedly connected with a plurality of fixing plates 2, the gear plate 1 can be better fixed through the lower ends of the outer walls on the two sides of the gear plate 1 and a plurality of fixing plates 2, the clamping blocks 30 are in sliding connection in the clamping grooves 33, and friction between one end, far away from the electric sliding block 31, of the lower surface of the fork plate 14 and the upper surface of the supporting plate 17 is avoided through the sliding connection of the clamping blocks 30 in the inner parts of the clamping grooves 33.

Working principle: when in use, the gear plate 1 is fixed in a working area through the fixing plate 2, the second servo motor 36 is started, the second servo motor 36 drives the gear plate 34 to rotate, then the gear plate 34 is meshed with the gear plate 1 through the gear plate 34, the gear plate 34 drives the mounting plate 40 to move on the gear plate 1, when in movement, the mounting plate 40 moves on the supporting slide rod 27 through the supporting slide block 44, the mounting plate 40 is more stable when in movement, when the laser range finder 5 irradiates laser on the reflecting plate 3 and then reflects the laser to the laser range finder 5, the distance from the mounting plate 40 to the side plate 4 is primarily measured, then the second sensing piece 41 on the mounting plate 40 is mutually in sensing fit with the first sensing piece 18 on the gear plate 1, so that the position of the stacker body is accurately measured and calibrated, after the stacker runs to a designated position, by starting the first servo motor 11, the first servo motor 11 drives the first driving gear 29 to rotate, so that the first driving gear 29 is meshed with the first driven gear 28 to rotate the rotating shaft 22, then the second driving gear 21 is driven to rotate when the rotating shaft 22 rotates, so that the threaded rod 8 rotates, then the threaded block 9 drives the supporting plate 17 to lift up and down, the supporting plate 17 drives the lifting slide block 10 to move on the lifting slide rod 6 during lifting up and down, so that the supporting plate 17 is limited, the telescopic rod 20 stretches freely when the supporting plate 17 lifts, the electric slide block 31 drives the fork plate 14 to move on the electric slide rail 32 when lifting to a specified height, so that the fork plate 14 can fork goods, the telescopic rod 20 drives the limiting slide block 38 to move on the limiting slide rod 37 during the movement of the fork plate 14, after the fork plate 14 forks the goods, the fork plate 14 may have a heavier end for the fork plate 14 to fork the goods, so the telescopic rod 20 is fixedly connected with the fork plate 14, so the telescopic rod 20 limits the fork plate 14, and the problem that the fork plate 14 tilts due to the heavier end for the fork plate 14 to fork the goods is avoided.

Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.

Claims (8)

1. The utility model provides a efficient storehouse stacker, includes gear board (1), its characterized in that: the utility model discloses a gear plate, including gear plate (1), front end outer wall fixedly connected with curb plate (4), the rear end outer wall of curb plate (4) is provided with reflector panel (3), the rear end upper portion of gear plate (1) is provided with mounting panel (40), front end and the rear end of mounting panel (40) upper surface all fixedly connected with backup pad (15), the upper surface of backup pad (15) all fixedly connected with install bin (12), the center department fixedly connected with first servo motor (11) of install bin (12) upper surface, install bin (12) inside and offer install chamber (26), the output of first servo motor (11) runs through install bin (12) to install chamber (26) and fixedly connected with first driving gear (29), the inside of install chamber (26) is provided with axis of rotation (22), the axle body middle part cover of axis of rotation (22) is equipped with first driven gear (28), the both sides of axis of rotation (22) all overlap and are equipped with second driving gear (21), the inside center department fixedly connected with first servo motor (11) of install bin (12), install threaded rod (23) all have all movable sleeve (8) to be equipped with in the cavity (23) and the interior of threaded rod (8) all movable sleeve (23), the rod bodies of the threaded rods (8) are sleeved with threaded blocks (9), and the threaded blocks (9) penetrate through the movable cavity (23) to one side, close to the middle of the mounting plate (40), of the supporting plate (15) and are fixedly connected with supporting plates (17);

two lifting slide grooves (7) are formed in the outer wall of one side, close to the center of the mounting plate (40), of the supporting plate (15), lifting slide rods (6) are arranged in the lifting slide grooves (7), lifting slide blocks (10) are sleeved on the rod bodies of the lifting slide rods (6), the lifting slide blocks (10) are fixedly connected with the supporting plate (17), two mounting blocks (16) are fixedly connected to one side of the upper surface of the supporting plate (17), clamping blocks (30) are fixedly connected to the upper surface of the mounting block (16), two electric slide rails (32) are arranged on one side, far away from the mounting block (16), of the upper surface of the supporting plate (17), electric slide blocks (31) are arranged in the electric slide rails (32), fork plates (14) are fixedly connected to the upper surface of the electric slide blocks (31), two clamping grooves (33) are formed in one side, close to the mounting block (16), of the lower surface of the fork plates (14), two limiting plates (13) are fixedly connected to one side of the lower surface of the mounting plate (17), limiting slide blocks (39) are arranged on the middle of the lower surface of the mounting plate (12), limiting slide blocks (37) are arranged on the lower surface of the mounting plate (16), limiting slide blocks (39) are arranged on the lower surface of the mounting plate, and the lower surface of the mounting plate (16 is provided with limiting slide blocks, one side of the front end outer wall and one side of the rear end outer wall of the fork plate (14) are fixedly connected with a telescopic rod (20), the upper surface of the telescopic rod (20) is fixedly connected with the lower surface of a limit sliding block (38), and the front end outer wall of the front end of the supporting plate (15) is fixedly connected with a laser range finder (5);

the utility model provides a motor-driven induction device, including mounting panel (40) and mounting panel (40), rear end outer wall fixedly connected with mounting panel (19), one side outer wall fixedly connected with of mounting panel (19) places box (35), place the interior bottom surface fixedly connected with second servo motor (36) of box (35), the output of second servo motor (36) runs through and places box (35) and mounting panel (19) and fixedly connected with gear wheel (34), support spout (24) have been seted up to one side outer wall of gear panel (1), the inside of support spout (24) is provided with support slide bar (27), the shaft cover of support slide bar (27) is equipped with support slider (44), one side outer wall fixedly connected with connecting plate (45) of gear panel (1) are kept away from to support slider (44), one side fixedly connected with of rear end and mounting panel (19) lower surface of connecting plate (45) upper surface, the front end fixedly connected with a plurality of support columns (43), the upper surface of support column (43) all is connected with mounting panel (40) fixedly, one side outer wall fixedly connected with one side of mounting panel (40) is close to one side of second induction plate (41) induction piece (18).

2. An efficient warehouse stacker as in claim 1 wherein: the gear disk (34) is in meshed connection with the gear plate (1).

3. An efficient warehouse stacker as in claim 1 wherein: both ends of the rotating shaft (22) are rotatably connected with the inner walls of both sides of the mounting cavity (26).

4. An efficient warehouse stacker as in claim 1 wherein: the upper surface of threaded rod (8) all with the interior top surface fixed connection of installation cavity (26), the lower surface of threaded rod (8) all with the interior bottom surface rotation connection of movable chamber (23).

5. An efficient warehouse stacker as in claim 1 wherein: the first driving gear (29) is in meshed connection with the first driven gear (28).

6. An efficient warehouse stacker as in claim 1 wherein: the second driving gears (21) are all meshed with the second driven gears (25).

7. An efficient warehouse stacker as in claim 1 wherein: the lower ends of the outer walls of the two sides of the gear plate (1) are fixedly connected with a plurality of fixing plates (2).

8. An efficient warehouse stacker as in claim 1 wherein: the clamping blocks (30) are all in sliding connection in the clamping grooves (33).