CN216092535U

CN216092535U - Tunnel construction drainage processing apparatus

Info

Publication number: CN216092535U
Application number: CN202121200551.4U
Authority: CN
Inventors: 白建波; 王征; 贾元鹏; 张程杰; 何秉积; 冀文楠
Original assignee: CCCC Fourth Highway Engineering Co Ltd
Current assignee: CCCC Fourth Highway Engineering Co Ltd
Priority date: 2021-05-31
Filing date: 2021-05-31
Publication date: 2022-03-22
Anticipated expiration: 2031-05-31

Abstract

The utility model relates to the technical field of tunnel drainage and discloses a tunnel construction drainage treatment device which comprises a treatment box, support legs and a cover plate, wherein the support legs are fixedly arranged on the lower surface of the treatment box, and the cover plate is in contact with the upper surface of the treatment box. This tunnel construction drainage processing apparatus, through setting up first pivot and transfer line, make two sets of transmission shafts of the left and right sides can be simultaneously convenient stable use first pivot centre of a circle as the center rotation, and then the driving plate that makes the left and right sides can drive the first slider and the locking block inward movement or the lateral movement of the left and right sides respectively simultaneously, not only can be convenient remove fixed to fixed ear, make the apron can be convenient with handle the case separation, can be convenient clear up the separation bucket, and then improved the treatment effeciency of waste water, can also make the apron can be more stable with handle the case and be connected, can handle waste water more effectually, the practicality of drainage processing apparatus has been improved.

Description

Tunnel construction drainage processing apparatus

Technical Field

The utility model relates to the technical field of tunnel drainage, in particular to a tunnel construction drainage treatment device.

Background

Through retrieval, Chinese patent publication No. CN211753004U discloses an intelligent building water supply and drainage treatment device, which comprises a treatment device body, wherein the treatment device body comprises a barrel body, a support rod is arranged at the bottom of the barrel body, a control box is arranged on the barrel body, a barrel cover is arranged at the top of the barrel body, the barrel cover is fixed on the barrel body through a fastening bolt, a water inlet pipe is arranged on the barrel cover, handles are welded on two sides of the water inlet pipe, a motor box is arranged at the bottom of the barrel body, a motor is arranged in the motor box, the barrel cover is quickly opened through the bolts through the handles, the interior of the barrel body is convenient to clean, a filter barrel is arranged in the barrel body, and a water source in the barrel body is filtered through the filter barrel; the motor at the bottom drives the filter barrel to rotate, and the fan blades drive the internal water to flow and pressurize at the same time of rotation, so that the internal water is quickly discharged through the drain pipe after being filtered; be provided with the stopper on the inner wall of connecting pipe, be provided with the spacing groove on the output shaft, the later stage filter vat's of being convenient for dismantlement, the top of filter vat is provided with the through-hole, the inlet tube of being convenient for put into, it is convenient to use.

The tunnel construction drainage treatment device of prior art passes through the bolt to be connected bung and staving, uses comparatively wasting time and energy, is difficult to comparatively convenient and fast with bung and staving separation, and then is difficult to comparatively convenient effectual inside the staving to clear up, has reduced the efficiency to drainage treatment.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

In order to overcome the defects in the prior art, the utility model provides a tunnel construction drainage treatment device, which solves the problems in the background art.

(II) technical scheme

In order to achieve the purpose, the utility model provides the following technical scheme: a tunnel construction drainage treatment device comprises a treatment box, support legs fixedly arranged on the lower surface of the treatment box and a cover plate in contact with the upper surface of the treatment box, wherein a drainage valve is fixedly inserted and connected to the right side of the lower surface of the treatment box, a water inlet is inserted and connected to the upper surface of the cover plate, a servo motor is fixedly connected to the lower surface of the treatment box, two groups of fixing lugs are welded to the top of the outer surface of the treatment box, a bearing shaft is inserted and connected to the lower surface of the treatment box, a first bevel gear and a second bevel gear are fixedly sleeved at the output end of the servo motor and the bottom of the outer surface of the bearing shaft respectively, a first rotating shaft and a second rotating shaft are rotatably connected to the middle of the upper surface of the cover plate and the outer side of the upper surface respectively, a first round gear and a worm are fixedly sleeved at the bottom of the outer surface of the first rotating shaft and the middle of the outer surface of the second rotating shaft respectively, and a transmission rod for transmission is fixedly connected to the upper surface of the first rotating shaft, the utility model discloses a bearing box, including the transfer line, the transfer line lower surface outside is fixed to be pegged graft and is used for the transmission shaft of transmission power, apron upper surface fixed connection has two sets of first slide rails, a set of second slide rail and stopper, first slide rail and second slide rail surface activity respectively have cup jointed first slider and second slider, locking piece and driving plate have been welded respectively in the first slider upper surface outside and inboard, stopper medial surface top is run through and is provided with the third pivot, third pivot surface fixed cover have connect the second circular gear and with worm gear of worm meshing, fixed surface is connected with the carousel in the second pivot, handle six groups of spacing axles of fixed surface connection on the case, bearing shaft surface activity has cup jointed the separation bucket, the draw-in groove has been seted up to the separation bucket upper surface.

Preferably, the outer surface of the bearing shaft is fixedly connected with a rectangular block, and the structure formed by the rectangular block and the bearing shaft is matched with the shape of the clamping groove.

Preferably, the first bevel gear and the second bevel gear are both made of cast iron and are meshed with each other.

Preferably, separation bucket inner wall fixedly connected with four sets of reinforcement bars, and the length size of four sets of reinforcement bars is twenty times of diameter size, and the diameter size of reinforcement bar is twenty millimeters.

Preferably, the number of supporting legs is four groups, and the equal fixedly connected with plectane of four groups of supporting legs lower surfaces, and plectane lower surface fixedly connected with slipmat, and the slipmat lower surface is provided with well shape non-slip texture.

Preferably, the number of locking piece is two sets of, and the locking piece upper surface sets up to the inclined plane, and the locking piece upper surface is one hundred ten degrees with the contained angle that the locking piece lateral surface formed.

Preferably, six groups of limiting holes matched with the six groups of limiting shafts are formed in the upper surface of the cover plate, and the diameter sizes of the six groups of limiting holes are larger than that of the six groups of limiting shafts.

Preferably, the front side of the right side surface of the second sliding block and the rear side of the upper surface of the second sliding block are fixedly connected with a first tooth and a second tooth which are meshed with the first circular gear and the second circular gear respectively.

Preferably, the middle part of the upper surface of the transmission plate is provided with a transmission chute matched with the transmission shaft, the width of the transmission chute is twenty millimeters, and the diameter of the transmission shaft is nineteen millimeters.

Preferably, the top of the outer surface of the first rotating shaft is fixedly connected with two groups of reinforcing blocks, and the upper surfaces of the two groups of reinforcing blocks are welded with the lower surface of the transmission rod.

(III) advantageous effects

Compared with the prior art, the utility model provides a tunnel construction drainage treatment device, which has the following beneficial effects:

1. this tunnel construction drainage processing apparatus, through setting up first pivot and transfer line, make two sets of transmission shafts of the left and right sides can be simultaneously convenient stable use first pivot centre of a circle as the center rotation, and then the driving plate that makes the left and right sides can drive the first slider and the locking block inward movement or the lateral movement of the left and right sides respectively simultaneously, not only can be convenient remove fixed to fixed ear, make the apron can be convenient with handle the case separation, can be convenient clear up the separation bucket, and then improved the treatment effeciency of waste water, can also make the apron can be more stable with handle the case and be connected, can handle waste water more effectually, the practicality of drainage processing apparatus has been improved.

2. This tunnel construction drainage processing apparatus, through setting up worm and second circular gear, make the second slider can stabilize effectual orbit along the second slide rail more and move to make first circular gear can more stabilize firm drive first pivot and transfer line and rotate, and then make the locking piece can be more firm lock fixed ear, make the apron inseparabler with handle the case connection, and then can make things convenient for more effectually handle waste water, improved drainage processing apparatus's practicality greatly.

3. This tunnel construction drainage processing apparatus, through setting up servo motor, make the bearing shaft can comparatively stabilize effectual drive the separator vat and rotate, and then make the separator vat can comparatively make things convenient for effectual drainage to tunnel construction to handle, can make things convenient for effectual with the impurity separation, through setting up the draw-in groove and set up the separator vat into dismantling, not only make the separator vat can stabilize more effectually to separate waste water, can also comparatively convenient handle the impurity of separation, improved waste water treatment's work efficiency greatly.

Drawings

FIG. 1 and FIG. 2 are schematic structural views of the present invention;

FIG. 3 is a schematic view of the locking structure of the present invention;

fig. 4 is an exploded view of a portion of the structure of the present invention.

In the figure: 1. a treatment tank; 2. a cover plate; 3. supporting legs; 4. a drain valve; 5. a servo motor; 6. fixing the ear; 7. a load bearing shaft; 8. a first bevel gear; 9. a first rotating shaft; 10. a transmission rod; 11. a first circular gear; 12. a drive shaft; 13. a first slide rail; 14. a second slide rail; 15. a limiting block; 16. a card slot; 17. a water inlet; 18. a first slider; 19. a second slider; 20. a locking block; 21. a drive plate; 22. A third rotating shaft; 23. a second circular gear; 24. a worm gear; 25. a second rotating shaft; 26. a worm; 27. a turntable; 28. a limiting shaft; 29. a separation barrel; 30. a second bevel gear.

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 of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a tunnel construction drainage treatment device comprises a treatment box 1, support legs 3 fixedly arranged on the lower surface of the treatment box 1 and a cover plate 2 contacted with the upper surface of the treatment box 1, wherein a drain valve 4 is fixedly inserted and connected to the right side of the lower surface of the treatment box 1, a water inlet 17 is inserted and connected to the upper surface of the cover plate 2, a servo motor 5 is fixedly connected to the lower surface of the treatment box 1, the model of the servo motor 5 is SMG80-M02430, two groups of fixing lugs 6 are welded on the top of the outer surface of the treatment box 1, a bearing shaft 7 is inserted and connected to the lower surface of the treatment box 1, a first bevel gear 8 and a second bevel gear 30 are respectively fixedly sleeved and connected to the output end of the servo motor 5 and the bottom of the outer surface of the bearing shaft 7, a first rotating shaft 9 and a second rotating shaft 25 are respectively rotatably connected to the middle part of the upper surface of the cover plate 2 and the outer side of the second rotating shaft 25, a first circular gear 11 and a worm 26 are respectively fixedly sleeved and connected to the bottom of the outer surface of the first rotating shaft 9 and the middle part of the outer surface of the second rotating shaft 25, a transmission rod 10 for transmission is fixedly connected on the upper surface of the first rotating shaft 9, a transmission shaft 12 for power transmission is fixedly inserted and connected on the outer side of the lower surface of the transmission rod 10, two groups of first sliding rails 13 are fixedly connected on the upper surface of the cover plate 2, a set of second slide rail 14 and stopper 15, first slide rail 13 and the outer surface of second slide rail 14 activity respectively have cup jointed first slider 18 and second slider 19, the outside of first slider 18 upper surface and inboard have welded locking block 20 and driving plate 21 respectively, stopper 15 medial surface top is run through and is provided with third pivot 22, third pivot 22 external fixation has cup jointed second circular gear 23 and worm wheel 24 with worm 26 meshing, surface fixedly connected with carousel 27 on the second pivot 25, surface fixedly connected with six groups of spacing axles 28 on the processing case 1, bearing shaft 7 external surface activity has cup jointed separation barrel 29, draw-in groove 16 has been seted up to separation barrel 29 upper surface.

In the utility model, in order to enable the bearing shaft 7 to drive the separation barrel 29 to move more stably, the outer surface of the bearing shaft 7 is fixedly connected with the rectangular block, the rectangular block can transmit the power of the bearing shaft 7, the structure formed by the rectangular block and the bearing shaft 7 is matched with the shape of the clamping groove 16, and the rectangular block improves the stability of linkage of the bearing shaft 7 and the separation barrel 29.

In the utility model, in order to enable the servo motor 5 to stably drive the bearing shaft 7 to rotate, the first bevel gear 8 and the second bevel gear 30 are both made of cast iron, the materials are both cast iron and can stably transmit power, and the first bevel gear 8 is meshed with the second bevel gear 30, so that the stability of the servo motor 5 driving the bearing shaft 7 to move is improved.

In the utility model, in order to enable the separation barrel 29 to stably treat water, four groups of reinforcing rods are fixedly connected to the inner wall of the separation barrel 29, the reinforcing rods enable the operation inside the separation barrel 29 to be more stable, the length of each group of reinforcing rods is twenty times of the diameter of the corresponding group of reinforcing rods, the diameter of each group of reinforcing rods is twenty millimeters, and the reinforcing rods improve the stability of the separation barrel 29 in water treatment.

In the utility model, in order to ensure that the treatment box 1 can work stably, four groups of supporting legs 3 are arranged, the lower surfaces of the four groups of supporting legs 3 are fixedly connected with the circular plates, the contact area of the supporting legs 3 and the ground is increased by the circular plates, the lower surfaces of the circular plates are fixedly connected with the anti-slip mats, the lower surfaces of the anti-slip mats are provided with the well-shaped anti-slip lines, the friction force between the circular plates and the ground is increased by the well-shaped anti-slip lines, and the running stability of the treatment box 1 is further improved.

In the utility model, in order to enable the locking blocks 20 to stably fix the cover plate 2, the number of the locking blocks 20 is two, the upper surfaces of the locking blocks 20 are inclined surfaces, the inclined surfaces are in contact with the inner part of the top of the fixing lug 6, an included angle formed between the upper surface of the locking block 20 and the outer side surface of the locking block 20 is one hundred and ten degrees, and the stability of the locking block 20 for fixing the cover plate 2 is improved due to the included angle being one hundred and ten degrees.

In the utility model, in order that the cover plate 2 can be conveniently contacted and stably connected with the treatment box 1, six groups of limiting holes matched with the six groups of limiting shafts 28 are formed in the upper surface of the cover plate 2, after the limiting holes are matched with the limiting shafts 28, the connection between the cover plate 2 and the treatment box 1 is more accurate, and the diameter sizes of the six groups of limiting holes are all larger than the diameter sizes of the six groups of limiting shafts 28, so that the cover plate 2 can be more conveniently, conveniently and effectively contacted and connected with the treatment box 1.

In the utility model, in order to enable the second circular gear 23 to more conveniently and stably drive the first circular gear 11 to rotate, the front side of the right side surface and the rear side of the upper surface of the second sliding block 19 are respectively and fixedly connected with the first teeth and the second teeth which are meshed with the first circular gear 11 and the second circular gear 23, and the first teeth, the second teeth and the second sliding block 19 improve the linkage stability of the first circular gear 11 and the second circular gear 23.

In the utility model, in order that the transmission shaft 12 can conveniently drive the transmission plate 21 to move, the middle part of the upper surface of the transmission plate 21 is provided with the transmission chute matched with the transmission shaft 12, the transmission shaft 12 moves in the transmission chute relative to the transmission chute, the width of the transmission chute is twenty millimeters, the diameter of the transmission shaft 12 is nineteen millimeters, and the transmission chute improves the convenience of linkage of the transmission shaft 12 and the transmission plate 21.

In the utility model, in order that the first rotating shaft 9 can stably drive the transmission rod 10 to move, two groups of reinforcing blocks are fixedly connected to the top of the outer surface of the first rotating shaft 9, the two groups of reinforcing blocks effectively increase the contact area between the transmission rod 10 and the first rotating shaft 9, the upper surfaces of the two groups of reinforcing blocks are welded to the lower surface of the transmission rod 10, and the welding improves the connection stability between the first rotating shaft 9 and the reinforcing blocks with the transmission rod 10.

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.

When the device is used, firstly, wastewater generated in tunnel construction is injected into the treatment box 1 through the water inlet 17, the wastewater enters the separation barrel 29, then the servo motor 5 is started, the output end of the servo motor 5 drives the first bevel gear 8 to rotate clockwise, the first bevel gear 8 and the second bevel gear 30 are in meshed transmission, the second bevel gear 30 drives the bearing shaft 7 and the separation barrel 29 to rotate anticlockwise, impurities in the wastewater are retained in the separation barrel 29, after the wastewater treatment is finished, the servo motor 5 is closed, then the drain valve 4 is opened, the wastewater with the impurities separated out is discharged out of the treatment box 1, then the turntable 27 is rotated clockwise, the turntable 27 drives the second rotating shaft 25 and the worm 26 to rotate clockwise, the worm 26 is in meshed transmission with the worm wheel 24, the worm wheel 24 drives the third rotating shaft 22 and the second circular gear 23 to rotate anticlockwise, and the front side of the right side face and the rear side of the upper surface of the second sliding block 19 are respectively and fixedly connected with first teeth meshed with the first circular gear 11 and the second circular gear 23 Teeth and second teeth, the second circular gear 23 is engaged with the second teeth, so that the second slider 19 drives the first teeth to move backwards along the track of the second slide rail 14, the first teeth are engaged with the first circular gear 11 for transmission, and further the first circular gear 11 drives the first rotating shaft 9 and the transmission rod 10 to rotate clockwise, so that the two groups of transmission shafts 12 rotate clockwise around the center of the first rotating shaft 9, the middle part of the upper surface of the transmission plate 21 is provided with a transmission chute matched with the transmission shaft 12, so that the transmission plates 21 on the left and right sides respectively drive the first sliders 18 and the locking blocks 20 on the left and right sides to move inwards along the tracks of the first slide rails 13 on the left and right sides, the inclined surface on the upper surface of the locking block 20 is separated from the inner wall at the top of the fixing lug 6, and the locking block 20 releases the fixing of the fixing lug 6, then the cover plate 2 is taken down, and four groups of reinforcing rods are fixedly connected to the inner wall of the separation barrel 29, the reinforcing rod is held, the separation tub 29 is taken out, and the impurities inside the separation tub 29 are cleaned.

To sum up, this tunnel construction drainage processing apparatus, through setting up first pivot 9 and transfer line 10, make two sets of transmission shafts 12 of the left and right sides can be simultaneously convenient stable use the 9 centre of a circle of first pivot to rotate as the center, and then make the driving plate 21 of the left and right sides can drive the inside motion or the outside motion of first slider 18 and locking block 20 of the left and right sides respectively, not only can be convenient remove fixed to fixed ear 6, make apron 2 can be convenient with handle case 1 separation, can be convenient clear up separation barrel 29, and improved the treatment effeciency of waste water, can also make apron 2 can be more stable be connected with handling case 1, can handle waste water more effectually, the practicality of drainage processing apparatus has been improved.

This tunnel construction drainage processing apparatus, through setting up worm 26 and second circular gear 23, make second slider 19 can more stabilize effectual orbit along second slide rail 14 and move, thereby make first circular gear 11 can more stabilize firm drive first pivot 9 and transfer line 10 and rotate, and then make locking block 20 can be more firm lock fixed ear 6, it is inseparabler to make apron 2 and treatment case 1 connect, and then can more make things convenient for effectual to handle waste water, drainage processing apparatus's practicality has been improved greatly.

This tunnel construction drainage processing apparatus, through setting up servo motor 5, make bearing shaft 7 can comparatively stabilize effectual drive separator vat 29 and rotate, and then make separator vat 29 can comparatively make things convenient for effectual drainage to tunnel construction to handle, can make things convenient for effectually with impurity separation, through setting up draw-in groove 16 and set up separator vat 29 as dismantling, not only make separator vat 29 can stabilize effectual separating waste water more, can also comparatively convenient handle the impurity of separating, the work efficiency to waste water treatment has been improved greatly.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a tunnel construction drainage processing apparatus, including handling case (1), fixed mounting handle supporting leg (3) of case (1) lower surface and with handle case (1) upper surface contact's apron (2), it has drain valve (4) to handle case (1) lower surface right side fixed the pegging graft, apron (2) upper surface pegs graft and has water inlet (17), its characterized in that: the processing box is characterized in that a servo motor (5) is fixedly connected to the lower surface of the processing box (1), two groups of fixing lugs (6) are welded to the top of the outer surface of the processing box (1), a bearing shaft (7) is inserted into the lower surface of the processing box (1), a first bevel gear (8) and a second bevel gear (30) are fixedly sleeved at the bottom of the output end of the servo motor (5) and the outer surface of the bearing shaft (7) respectively, a first rotating shaft (9) and a second rotating shaft (25) are rotatably connected to the middle of the upper surface of the cover plate (2) respectively, a first circular gear (11) and a worm (26) are fixedly sleeved at the bottom of the outer surface of the first rotating shaft (9) and the middle of the outer surface of the second rotating shaft (25) respectively, a transmission rod (10) for transmission is fixedly connected to the upper surface of the first rotating shaft (9), and a transmission shaft (12) for transmission of power is fixedly inserted into the outer surface of the transmission rod (10), the upper surface of the cover plate (2) is fixedly connected with two sets of first slide rails (13), a set of second slide rails (14) and a limiting block (15), the outer surfaces of the first slide rails (13) and the second slide rails (14) are respectively movably sleeved with a first slide block (18) and a second slide block (19), the outer side and the inner side of the upper surface of the first slide block (18) are respectively welded with a locking block (20) and a transmission plate (21), the top of the inner side surface of the limiting block (15) is provided with a third rotating shaft (22) in a penetrating manner, the outer surface of the third rotating shaft (22) is fixedly sleeved with a second circular gear (23) and a worm wheel (24) meshed with a worm (26), the upper surface of the second rotating shaft (25) is fixedly connected with a turntable (27), the upper surface of the processing box (1) is fixedly connected with six sets of limiting shafts (28), and the outer surface of the bearing shaft (7) is movably sleeved with a separation barrel (29), the upper surface of the separation barrel (29) is provided with a clamping groove (16).

2. The tunnel construction drainage treatment device according to claim 1, characterized in that: the outer surface of the bearing shaft (7) is fixedly connected with a rectangular block, and the structure formed by the rectangular block and the bearing shaft (7) is matched with the shape of the clamping groove (16).

3. The tunnel construction drainage treatment device according to claim 1, characterized in that: the first bevel gear (8) and the second bevel gear (30) are both made of cast iron, and the first bevel gear (8) is meshed with the second bevel gear (30).

4. The tunnel construction drainage treatment device according to claim 1, characterized in that: four groups of reinforcing rods are fixedly connected to the inner wall of the separation barrel (29), the length of each group of reinforcing rods is twenty times of the diameter, and the diameter of each reinforcing rod is twenty millimeters.

5. The tunnel construction drainage treatment device according to claim 1, characterized in that: the quantity of supporting leg (3) is four groups, and the equal fixedly connected with plectane of four groups supporting leg (3) lower surfaces, and plectane lower surface fixedly connected with slipmat, and the slipmat lower surface is provided with well shape non-slip texture.

6. The tunnel construction drainage treatment device according to claim 1, characterized in that: the quantity of locking piece (20) is two sets of, and locking piece (20) upper surface sets up to the inclined plane, and the contained angle that locking piece (20) upper surface and locking piece (20) lateral surface formed is one hundred ten degrees.

7. The tunnel construction drainage treatment device according to claim 1, characterized in that: six groups of limiting holes matched with the six groups of limiting shafts (28) are formed in the upper surface of the cover plate (2), and the diameter sizes of the six groups of limiting holes are larger than that of the six groups of limiting shafts (28).

8. The tunnel construction drainage treatment device according to claim 1, characterized in that: the front side of the right side surface of the second sliding block (19) and the rear side of the upper surface of the second sliding block are respectively and fixedly connected with a first tooth and a second tooth which are meshed with the first circular gear (11) and the second circular gear (23).

9. The tunnel construction drainage treatment device according to claim 1, characterized in that: the middle part of the upper surface of the transmission plate (21) is provided with a transmission chute matched with the transmission shaft (12), the width of the transmission chute is twenty millimeters, and the diameter of the transmission shaft (12) is nineteen millimeters.

10. The tunnel construction drainage treatment device according to claim 1, characterized in that: the top of the outer surface of the first rotating shaft (9) is fixedly connected with two sets of reinforcing blocks, and the upper surfaces of the two sets of reinforcing blocks are welded with the lower surface of the transmission rod (10).