Integrated pump station with plasma deodorization function
By introducing a mounting frame, a fixing base and a grid plate structure into the integrated pump station for preliminary filtration, and combining it with a plasma deodorizer to treat the exhaust gas, the problems of impurity entanglement and deodorization are solved, effective impurity blocking and exhaust gas purification are achieved, and the stability of the equipment and the deodorization effect are improved.
Patent Information
- Application Number
- CN202422660056.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-01
- Publication Date
- 2025-09-16
- Estimated Expiration
- 2034-11-01
AI Technical Summary
In existing integrated pumping stations, larger strip-shaped impurities are easily entangled on the crushing grid, causing equipment failure and affecting normal use. At the same time, there is a lack of effective deodorization function.
An integrated pump station with plasma deodorization function was designed. The station used a mounting frame, a fixing base, an adjustment block and a grid plate structure for preliminary filtration. The waste gas was treated with a plasma deodorizer. The filter spacing and angle were adjusted by an adjustment rod and a threaded rod system to avoid impurity entanglement. The waste gas was purified by the plasma deodorizer.
It effectively blocks and filters large impurities to prevent equipment damage, while purifying exhaust gas, adapting to the filtering effect of different usage requirements, and improving the operation stability and deodorization efficiency of the pump station.
Smart Images

Figure CN223343415U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of integrated pump stations, in particular to an integrated pump station with a plasma deodorization function. Background Art
[0002] Integrated pumping stations are used to lift sewage, rainwater, drinking water and wastewater, and are an indispensable part of industrial equipment. In urban drainage and flood prevention work, integrated pumping stations solve the problems of urban rainwater collection and drainage, ensure the smooth operation of urban drainage systems, and safeguard the normal order of urban traffic and residents' lives.
[0003] In the existing technology, integrated pumping stations are mostly installed with crushing screens. The crushing screens have the functions of small footprint and easy use, and can cut and crush the impurities entering the pumping station in the first time. However, the integrated pumping stations used in the existing technology do not have the interception and filtration function for some larger strip-shaped impurities. Some longer strip-shaped impurities are entangled on the crushing roller during the process of passing through the crushing screen, which can easily cause the crushing screen to malfunction, thereby affecting the normal use of the integrated pumping station. Utility Model Content
[0004] The purpose of the utility model is to provide an integrated pump station with a plasma deodorization function to solve the problems raised in the above background technology.
[0005] To achieve the above-mentioned objectives, the utility model provides the following technical solutions: an integrated pump station with a plasma deodorization function, comprising a tank body, a water inlet tank being provided on the tank body, a mounting frame being provided in the water inlet tank, two groups of symmetrically distributed fixing seats being provided on the mounting frame, multiple groups of adjusting blocks being provided on the two groups of adjusting blocks, grille plates being installed on the multiple groups of adjusting blocks, and two groups of symmetrically distributed first rubber sheets and two groups of symmetrically distributed second rubber sheets being equidistantly distributed on the mounting frame, two groups of symmetrically distributed mounting rods being fixedly installed in the two groups of the fixing seats, two groups of symmetrically distributed first adjusting rods being slidably installed in the two groups of the mounting rods, second adjusting rods being slidably installed in the two groups of the first adjusting rods, two groups of bidirectional threaded rods being provided in the two groups of the mounting rods, threaded tubes being provided in the two groups of the first adjusting rods, two groups of the second adjusting rods being fixedly connected to the two groups of adjusting blocks at both ends respectively, and two groups of cross-distributed connecting rods being provided between the two adjacent groups of the adjusting blocks.
[0006] As a further preferred embodiment of the present technical solution, the two sides of the two groups of the second rubber sheets are respectively fixedly connected to the two groups of grille plates and the mounting frames located on both sides, and the two groups of the first rubber sheets are respectively fixedly connected to multiple groups of adjustment blocks and the mounting frames. A connecting pipe is provided above the tank body, and a plasma deodorizer is provided above the tank body. The connecting pipe is fixedly connected to the plasma deodorizer, and an air outlet pipe is provided on the plasma deodorizer.
[0007] As a further preferred embodiment of the present technical solution, both ends of the bidirectional threaded rod respectively pass through two groups of first adjusting rods and are threadedly connected to the two groups of first adjusting rods respectively, the threaded tube respectively passes through the corresponding first adjusting rods and is rotatably connected to the first adjusting rods respectively, and the threaded tube respectively passes through the corresponding two groups of second adjusting rods and is threadedly connected to the second adjusting rods respectively.
[0008] As a further preferred embodiment of the present technical solution, two groups of symmetrically distributed limit grooves are provided on the bidirectional threaded rod, and two groups of symmetrically distributed limit blocks are provided in the threaded tube. The limit blocks are arranged corresponding to the limit grooves, and the threaded tube is slidably connected to the bidirectional threaded rod through the limit blocks and the limit grooves.
[0009] As a further preferred embodiment of the present technical solution, the two groups of bidirectional threaded rods are both sleeved with a first bevel gear, and two groups of symmetrically distributed rotating rods are provided in the fixed seat, and the two groups of rotating rods respectively pass through the fixed seat and are rotatably connected to the fixed seat, and the two groups of rotating rods are respectively arranged corresponding to the two groups of bidirectional threaded rods, and the two groups of rotating rods are both sleeved with a second bevel gear, and the second bevel gear is meshed with the first bevel gear, and the two groups of rotating rods are both sleeved with a synchronous wheel, and a synchronous belt is provided in the fixed seat, and the synchronous belt is respectively connected to the two groups of synchronous wheels for transmission.
[0010] As a further preferred embodiment of the present technical solution, the two ends of the two groups of connecting rods are respectively rotatably installed with second sliders, a first slider is provided between the two groups of connecting rods, and the two groups of connecting rods are rotatably connected to the first slider, and two groups of symmetrically distributed slide rails are provided on the fixed seat, and the two groups of slide rails are slidably connected to the fixed seat, and a bidirectional screw rod is provided in the fixed seat, and the two ends of the bidirectional screw rod respectively pass through the fixed seat and are rotatably connected to the fixed seat through bearings, and the bidirectional screw rod respectively passes through the two groups of slide rails and is respectively threadedly connected to the two groups of slide rails, the first slider is slidably connected to the first slide rail, and the second slider is slidably connected to the corresponding adjustment block.
[0011] As a further preferred embodiment of the present technical solution, the grid plate is rotatably connected to the corresponding adjustment block through an installation shaft, a gear is sleeved on the installation shaft, a cylinder is provided in the adjustment block, a rack is provided in the adjustment block, the rack is meshed with the gear, and the rack is connected to the output end of the cylinder piston rod.
[0012] The utility model provides an integrated pump station with plasma deodorization function, which has the following beneficial effects:
[0013] (1) The utility model realizes preliminary filtration of sewage entering the tank body through the installation frame, two groups of symmetrically distributed fixing seats and multiple groups of adjusting blocks and grid plates evenly distributed on the fixing seats, thereby preventing large-scale strip-shaped impurities from entering and affecting the normal use of the subsequent crushing grid. At the same time, the plasma deodorizer is used to purify the waste gas generated during the sewage treatment process in the pumping station; sewage is introduced into the tank body through the installation box. The sewage entering the tank body contains a large amount of impurities. Under the action of multiple groups of evenly distributed grids, large-scale strip-shaped impurities are effectively blocked and filtered, and the strip-shaped impurities are left on the left side of the installation frame to avoid entering the crushing grid. Causing damage to the crushing components, the first rubber sheet and the second rubber sheet are synchronously used to seal the connection between the multiple groups of grid plates and the mounting frame, while ensuring the filtering effect. Impurities or sewage are prevented from entering the gap between the mounting frame and the grid plate, affecting the normal use of the components in the mounting frame and the fixed seat. The exhaust gas in the tank body discharged through the connecting pipe enters the plasma deodorizer. The high-voltage electrostatic pulse discharge in the plasma deodorizer ionizes the oxygen molecules in the air to produce high-energy active oxygen ions. These ions can quickly oxidize and purify pollutants and malodorous gases, so that the exhaust gas generated inside the pump station body is processed by the plasma deodorizer, solving a large amount of exhaust gas.
[0014] (2) The utility model realizes the adjustment of the spacing between multiple groups of adjustment blocks and grid plates through the installation rod set in the fixed seat, two groups of symmetrically distributed first adjustment rods and second adjustment rods, and then realizes the adjustment of the filter gap of the installation frame, so that the installation frame and the grid plates cooperate with each other to intercept impurities of different sizes, which is suitable for different use requirements of the pump station; the rotation of the rotating rod is driven by the motor in the fixed seat, and the rotation of the bidirectional threaded rod is realized under the action of the first bevel gear and the second bevel gear, and the threaded tube is rotated accordingly under the action of the limit block and the limit groove, and the extended length of the first adjustment rod and the second adjustment rod is adjusted, and the two groups of adjustment blocks on both sides are pushed outward or inward synchronously. Synchronously, under the action of the two adjacent cross-connecting groups of connecting rods, the spacing between the multiple groups of adjustment blocks is changed equidistantly, and then the adjustment of the spacing between the grid plates is completed. At the same time, the deflection angle of each group of grid plates can also be adjusted under the action of the rack and gear, and the first adjustment rod and the second adjustment rod are cooperated to further realize the adjustment of the filter gap of the installation frame. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0016] Figure 2 This is a schematic structural diagram of the mounting bracket of the present utility model;
[0017] Figure 3 This is a schematic structural diagram of the grille plate of the present invention;
[0018] Figure 4 This is a schematic structural diagram of the regulating block of the present utility model;
[0019] Figure 5 For the utility model Figure 4 -A magnified view of the structure;
[0020] Figure 6 For the utility model Figure 4 -A magnified view of the structure at point B;
[0021] In the figure: 1. Tank body; 2. Water inlet tank; 3. Mounting bracket; 4. Fixing seat; 5. First rubber sheet; 6. Adjusting block; 7. Second rubber sheet; 8. Grille; 9. Mounting rod; 10. First adjusting rod; 11. Second adjusting rod; 12. Bidirectional threaded rod; 13. Limiting groove; 14. Threaded pipe; 15. Limiting block; 16. Connecting rod; 17. First slider; 18. Second slider; 19. Slide rail; 20. Bidirectional lead screw; 21. First bevel gear; 22. Second bevel gear; 23. Rotating rod; 24. Synchronous wheel; 25. Synchronous belt; 26. Mounting shaft; 27. Gear; 28. Rack; 29. Cylinder; 30. Plasma deodorizer; 31. Connecting pipe; 32. Exhaust pipe. DETAILED DESCRIPTION
[0022] The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to the accompanying drawings in the embodiments of the present invention.
[0023] The utility model provides a technical solution: Figure 1 、 Figure 2 and Figure 3As shown, in this embodiment, an integrated pump station with a plasma deodorization function includes a tank body 1, a water inlet tank 2 is provided on the tank body 1, a mounting frame 3 is provided in the water inlet tank 2, two groups of symmetrically distributed fixing seats 3 are provided on the mounting frame 3, and the two groups of fixing seats 3 are each provided with a plurality of adjustment blocks 6, and the plurality of adjustment blocks 6 are each installed with a grid plate 8, and the plurality of grid plates 8 are equidistantly distributed, and two groups of symmetrically distributed first rubber sheets 5 and two groups of symmetrically distributed second rubber sheets 7 are provided on the mounting frame 3, two groups of symmetrically distributed mounting rods 9 are fixedly installed in the two groups of fixing seats 3, two groups of symmetrically distributed first adjusting rods 10 are slidably installed in the two groups of mounting rods 9, and two groups of first adjusting rods 10 are slidably installed in the two groups of second adjusting rods 10. Two adjusting rods 11, two sets of mounting rods 9 are each provided with a bidirectional threaded rod 12, two sets of first adjusting rods 10 are each provided with a threaded tube 14, two sets of second adjusting rods 11 are respectively fixedly connected to the two sets of adjusting blocks 6 located at both ends, two sets of cross-distributed connecting rods 16 are provided between the two adjacent sets of adjusting blocks 6, the two sides of the two sets of second rubber sheets 7 are respectively fixedly connected to the two sets of grid plates 8 and the mounting frame 3 located on both sides, the two sets of first rubber sheets 5 are respectively fixedly connected to multiple sets of adjusting blocks 6 and the mounting frame 3, a connecting pipe 31 is provided above the tank body 1, a plasma deodorizer 30 is provided above the tank body 1, the connecting pipe 31 is fixedly connected to the plasma deodorizer 30, and the plasma deodorizer 30 is provided with an outlet pipe 32.
[0024] The installation frame 3 is provided, and the two groups of symmetrically distributed fixing seats 3 and the multiple groups of adjusting blocks 6 and grid plates 8 equidistantly distributed on the fixing seats 3 are used to achieve preliminary filtration of the sewage entering the tank body 1, thereby preventing the entry of large strip-shaped impurities and affecting the normal use of the subsequent crushing grille; sewage is introduced into the tank body 1 through the installation box, and the sewage entering the tank body 1 contains a large amount of impurities. Under the action of the multiple groups of equidistantly distributed grids, the large strip-shaped impurities are effectively blocked and filtered, and the strip-shaped impurities are left on the left side of the installation frame 3 to avoid entering the crushing grille and causing damage to the crushing assembly. The first rubber sheet 5 and the second rubber sheet 7 are provided to simultaneously seal the connection between the multiple groups of grid plates 8 and the installation frame 3, while ensuring the filtering effect. Impurities or sewage are prevented from entering the gap between the installation frame 3 and the grid plate 8, affecting the normal use of the components in the installation frame 3 and the fixing seat 3.
[0025] like Figure 4 、 Figure 5 and Figure 6As shown, both ends of the bidirectional threaded rod 12 respectively penetrate the two groups of first adjusting rods 10 and are respectively threadedly connected to the two groups of first adjusting rods 10, the threaded tubes 14 respectively penetrate the corresponding first adjusting rods 10 and are rotatably connected to the first adjusting rods 10, the threaded tubes 14 respectively penetrate the corresponding two groups of second adjusting rods 11 and are respectively threadedly connected to the second adjusting rods 11, the bidirectional threaded rod 12 is provided with two groups of symmetrically distributed limiting grooves 13, the threaded tube 14 is provided with two groups of symmetrically distributed limiting blocks 15, the limiting blocks 15 are arranged corresponding to the limiting grooves 13, The threaded tube 14 is slidably connected to the bidirectional threaded rod 12 through the limit block 15 and the limit groove 13. The two sets of bidirectional threaded rods 12 are both sleeved with a first bevel gear 2721. Two sets of symmetrically distributed rotating rods 23 are provided in the fixed seat 3. The two sets of rotating rods 23 respectively penetrate the fixed seat 3 and are rotatably connected to the fixed seat 3. The two sets of rotating rods 23 are respectively corresponding to the two sets of bidirectional threaded rods 12. The two sets of rotating rods 23 are both sleeved with a second bevel gear 2722. The second bevel gear 2722 is meshed with the first bevel gear 2721. The two sets of connecting rods 16 are respectively rotatably mounted with second sliders 18, and a first slider 17 is provided between the two sets of connecting rods 16. The two sets of connecting rods 16 are rotatably connected to the first slider 17. Two sets of symmetrically distributed slide rails 19 are provided on the fixed seat 3. The two sets of slide rails 19 are slidably connected to the fixed seat 3. A bidirectional screw rod 20 is provided in the fixed seat 3. The two ends of the bidirectional screw rod 20 pass through the fixed seat 3 and pass through the shaft. The bearing is rotatably connected to the fixed seat 3, the bidirectional screw rod 20 passes through the two sets of slide rails 19 respectively and is threadedly connected to the two sets of slide rails 19 respectively, the first slider 17 is slidably connected to the first slide rail 19, and the second slider 18 is slidably connected to the corresponding adjustment block 6. The grid plate 8 is rotatably connected to the corresponding adjustment block 6 through the mounting shaft 26. A gear 27 is sleeved on the mounting shaft 26. A cylinder 29 is provided in the adjustment block 6. A rack 28 is provided in the adjustment block 6. The rack 28 is meshed with the gear 27, and the rack 28 is connected to the output end of the piston rod of the cylinder 29.
[0026] The mounting rod 9, two sets of symmetrically distributed first adjusting rods 10 and second adjusting rods 11 in the fixed seat 3 are used to adjust the spacing between the multiple adjustment blocks 6 and the grid plate 8, thereby adjusting the filter gap of the mounting frame 3, so that the mounting frame 3 and the grid plate 8 cooperate with each other to intercept impurities of different sizes, which is suitable for different use requirements of the pump station; the motor in the fixed seat 3 drives the rotation of the rotating rod 23, and the rotation of the bidirectional threaded rod 12 is achieved under the action of the first bevel gear 2721 and the second bevel gear 2722, and the limit block 15 and the limit groove 13 are adjusted. Under the action, the threaded tube 14 rotates accordingly, and the extended length of the first adjusting rod 10 and the second adjusting rod 11 is adjusted. The two groups of adjusting blocks 6 on both sides are pushed outward or inward synchronously. Synchronously, under the action of the two adjacent crossed connecting rods 16, the spacing between the multiple groups of adjusting blocks 6 is changed equidistantly, and then the adjustment of the spacing between the grid plates 8 is completed. At the same time, under the action of the rack 28 and the gear 27, the deflection angle of each group of grid plates 8 can also be adjusted, and the first adjusting rod 10 and the second adjusting rod 11 are cooperated to further realize the adjustment of the filter gap of the mounting frame 3.
[0027] The utility model provides an integrated pump station with a plasma deodorizing function. The specific working principle is as follows: sewage is introduced into the tank body 1 through the installation box. The sewage entering the tank body 1 contains a large amount of impurities. Under the action of multiple groups of equidistantly distributed grids, large strip-shaped impurities are effectively blocked and filtered, and the strip-shaped impurities are left on the left side of the installation frame 3 to avoid entering the crushing grid and causing damage to the crushing component. The joints between the multiple groups of grid plates 8 and the installation frame 3 are sealed synchronously through the first rubber sheet 5 and the second rubber sheet 7 provided, so as to avoid impurities or sewage from entering the gap between the installation frame 3 and the grid plate 8 while ensuring the filtering effect, affecting the normal use of the components in the installation frame 3 and the fixing seat 3. The motor in the fixing seat 3 drives the rotation The rod 23 rotates, and the bidirectional threaded rod 12 is rotated under the action of the first bevel gear 2721 and the second bevel gear 2722. The threaded tube 14 is rotated accordingly under the action of the limit block 15 and the limit groove 13, and the length of the first adjusting rod 10 and the second adjusting rod 11 is adjusted. The two groups of adjusting blocks 6 on both sides are pushed outward or inward synchronously. Synchronously, under the action of the two adjacent and crossed connecting rods 16, the spacing between the multiple groups of adjusting blocks 6 is changed equidistantly, and then the adjustment of the spacing between the grid plates 8 is completed. At the same time, under the action of the rack 28 and the gear 27, the deflection angle of each group of grid plates 8 can also be adjusted, and the first adjusting rod 10 and the second adjusting rod 11 are cooperated to further realize the adjustment of the filtering gap of the mounting frame 3.
[0028] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. An integrated pump station with plasma deodorization function, comprising a tank (1), characterized in that: The tank body (1) is provided with a water inlet box (2), a mounting frame (3) is provided in the water inlet box (2), the mounting frame (3) is provided with two groups of symmetrically distributed fixing seats (4), the two groups of fixing seats (4) are provided with multiple groups of adjustment blocks (6), the multiple groups of adjustment blocks (6) are provided with grid plates (8), the multiple groups of grid plates (8) are distributed at equal distances, the mounting frame (3) is provided with two groups of symmetrically distributed first rubber sheets (5) and two groups of symmetrically distributed second rubber sheets (7), the two groups of fixing seats (4) are fixedly provided with two groups of symmetrically distributed second rubber sheets (8), and the two groups of symmetrically distributed first rubber sheets (5) and second rubber sheets (7) are fixedly provided with two groups of symmetrically distributed second rubber sheets (8). The invention relates to a mounting rod (9) for a cloth, wherein two groups of the mounting rods (9) are slidably installed with two groups of symmetrically distributed first adjustment rods (10), and two groups of the first adjustment rods (10) are slidably installed with second adjustment rods (11), and two groups of the mounting rods (9) are provided with bidirectional threaded rods (12), and two groups of the first adjustment rods (10) are provided with threaded tubes (14), and the two groups of the second adjustment rods (11) are respectively fixedly connected to the two groups of adjustment blocks (6) located at both ends, and two groups of cross-distributed connecting rods (16) are provided between the two adjacent groups of the adjustment blocks (6).
2. The integrated pump station with plasma deodorization function according to claim 1, characterized in that: The two sides of the two groups of the second rubber sheets (7) are respectively fixedly connected to the two groups of grid plates (8) and the mounting frame (3) located on the two sides, and the two groups of the first rubber sheets (5) are respectively fixedly connected to the multiple groups of adjustment blocks (6) and the mounting frame (3). A connecting pipe (31) is provided above the tank body (1), and a plasma deodorizer (30) is provided above the tank body (1). The connecting pipe (31) is fixedly connected to the plasma deodorizer (30), and the plasma deodorizer (30) is provided with an air outlet pipe (32).
3. The integrated pump station with plasma deodorization function according to claim 1, characterized in that: The two ends of the bidirectional threaded rod (12) respectively pass through the two groups of first adjustment rods (10) and are respectively threadedly connected to the two groups of first adjustment rods (10); the threaded tube (14) respectively passes through the corresponding first adjustment rods (10) and is rotatably connected to the first adjustment rods (10); the threaded tube (14) respectively passes through the corresponding two groups of second adjustment rods (11) and is respectively threadedly connected to the second adjustment rods (11).
4. The integrated pump station with plasma deodorization function according to claim 1, characterized in that: The bidirectional threaded rod (12) is provided with two groups of symmetrically distributed limiting grooves (13), and the threaded tube (14) is provided with two groups of symmetrically distributed limiting blocks (15). The limiting blocks (15) are arranged corresponding to the limiting grooves (13), and the threaded tube (14) is slidably connected to the bidirectional threaded rod (12) through the limiting blocks (15) and the limiting grooves (13).
5. The integrated pump station with plasma deodorization function according to claim 1, characterized in that: The two groups of bidirectional threaded rods (12) are both sleeved with a first bevel gear (21); the fixed seat (4) is provided with two groups of symmetrically distributed rotating rods (23); the two groups of rotating rods (23) respectively penetrate the fixed seat (4) and are rotatably connected to the fixed seat (4); the two groups of rotating rods (23) are respectively arranged corresponding to the two groups of bidirectional threaded rods (12); the two groups of rotating rods (23) are both sleeved with a second bevel gear (22); the second bevel gear (22) is meshed with the first bevel gear (21); the two groups of rotating rods (23) are both sleeved with a synchronous wheel (24); the fixed seat (4) is provided with a synchronous belt (25); the synchronous belt (25) is respectively connected to the two groups of synchronous wheels (24) in transmission.
6. The integrated pump station with plasma deodorization function according to claim 1, characterized in that: The two ends of the two groups of connecting rods (16) are respectively rotatably mounted with second sliders (18), a first slider (17) is provided between the two groups of connecting rods (16), and the two groups of connecting rods (16) are rotatably connected to the first slider (17), the fixed seat (4) is provided with two groups of symmetrically distributed slide rails (19), the two groups of slide rails (19) are slidably connected to the fixed seat (4), a bidirectional screw rod (20) is provided in the fixed seat (4), the two ends of the bidirectional screw rod (20) respectively pass through the fixed seat (4) and are rotatably connected to the fixed seat (4) through bearings, the bidirectional screw rod (20) respectively passes through the two groups of slide rails (19) and is respectively threadedly connected to the two groups of slide rails (19), the first slider (17) is slidably connected to the first slide rail (19), and the second slider (18) is slidably connected to the corresponding adjustment block (6).
7. The integrated pump station with plasma deodorization function according to claim 1, characterized in that: The grid plate (8) is rotatably connected to the corresponding adjustment block (6) through a mounting shaft (26); a gear (27) is sleeved on the mounting shaft (26); a cylinder (29) is provided in the adjustment block (6); a rack (28) is provided in the adjustment block (6); the rack (28) is meshed with the gear (27); and the rack (28) is connected to the output end of the piston rod of the cylinder (29).