Underwater bagged sand cushion layer throwing construction device with inclined chute tube

Abstract

The invention provides a slant chute underwater bagged sand cushion throwing construction device which comprises an outer sleeve and a controller, buffer baffles are evenly arranged on the outer side of the lower end of the outer sleeve around the outer sleeve, a buffer supporting mechanism is arranged between the buffer baffles and the outer sleeve, and a collision detection energy absorption mechanism is fixedly arranged on the outer side of the outer sleeve above the buffer supporting mechanism; according to the collision detection energy-absorbing mechanism, when a small rail car or a variable-amplitude oil cylinder drives the outer sleeve to move and collide, a buffer baffle on the outer side of the outer sleeve firstly makes contact with an external object, the buffer baffle transmits acting force generated by collision to a pressure sensor in the collision detection energy-absorbing mechanism through a buffer mechanism, and when the upper limit value of the pressure is higher than the real-time pressure value, the collision detection energy-absorbing mechanism is started; the controller controls the small rail car or the variable-amplitude oil cylinder to stop acting and the outer sleeve to stop moving, so that deformation of the sliding cylinder is avoided; and through the buffer baffle, the outer sleeve can be in direct contact with an external object when collision occurs, so that the outer sleeve is prevented from being damaged due to collision.

Description

Technical Field

[0001] The invention belongs to the technical field of cushion construction, and in particular relates to an oblique chute underwater bagged sand cushion throwing construction device. Background Art

[0002] In order to accurately dump bagged gravel and bagged concrete mixture between the bridge piers to prevent scour, inclined chute equipment is currently usually used for construction.

[0003] During the construction of the chute, the lower part of its outer casing is always the outlet of sand and gravel, which is inevitable to collide with the steel pipe piles under the pier. In the prior art, the Chinese utility model patent document with the authorization announcement number CN213508470U discloses a chute structure based on engineering plastic alloy guidance. In order to effectively protect the steel pipe piles and the outer casing from damage due to collision, a thick hemp rope is wound on the outer wall of the lower part of the outer casing with a length of about 3m to play a buffering role. However, during the movement of the chute, its lower end collides and the upper end of the stopper is not discovered in time, and the movement continues. Under the action of force, the chute is easily deformed, which affects its telescopic function.

[0004] Therefore, it is necessary to design an underwater bagged sand cushion layer throwing construction device for an inclined chute, which can stop the action of the related driving mechanism at the upper end in time after the lower end of the chute collides, so as to avoid deformation of the chute, so as to solve the current technical problems. Summary of the invention

[0005] In view of the deficiencies in the prior art, the present invention provides an underwater bagged sand cushion layer throwing construction device for an inclined chute, which can promptly stop the action of the related driving mechanism at the upper end of the chute after a collision at the lower end of the chute, thereby avoiding deformation of the chute.

[0006] The technical solution of the present invention is: an underwater bagged sand cushion layer throwing construction device for an inclined chute, comprising an outer sleeve and a controller, wherein buffer baffles are evenly arranged around the outer side of the lower end of the outer sleeve, a buffer support mechanism is arranged between the buffer baffle and the outer sleeve, and a collision detection and energy absorption mechanism is fixedly arranged on the outer side of the outer sleeve above the buffer support mechanism; the collision detection and energy absorption mechanism has an annular cavity fixedly arranged on the outer side of the outer sleeve, and a pressure sensor is fixedly arranged on the inner top of the annular cavity, and the pressure sensor is transmission-connected to the buffer support mechanism; the pressure sensor is connected to the controller, and a pressure upper limit value is preset inside the controller; the controller periodically collects the real-time pressure value of the pressure sensor, and compares the real-time pressure value with the pressure upper limit value, and when the pressure upper limit value is higher than the real-time pressure value, the controller controls the outer sleeve to stop moving.

[0007] The buffer baffle has a supporting slat; the buffer supporting mechanism has at least two supporting connecting rods respectively hinged to the two ends of the supporting slat, one end of the supporting connecting rod facing away from the supporting slat is hinged to the outer sleeve, the upper end of the supporting slat is hinged to a transmission connecting rod, the upper end of the transmission connecting rod is hinged to a buffer guide rod, and the upper end of the buffer guide rod is transmission-connected to the pressure sensor.

[0008] A push plate is fixedly provided at the bottom end of the buffer guide rod, a buffer support is slidably sleeved on the upper end of the buffer guide rod, the buffer support is fixedly provided on the outside of the outer sleeve, a buffer spring is sleeved on the outside of the buffer guide rod between the buffer support and the push plate, an end plate is fixedly provided on the top end of the buffer guide rod above the buffer support, and the end plate is transmission connected to the pressure sensor.

[0009] Sliding rods are evenly arranged at the bottom of the annular cavity, and the sliding rods are sealingly and slidingly connected to the bottom of the annular cavity. The upper ends of the sliding rods are transmission-connected to the pressure sensor, and the bottom ends of the sliding rods are provided with a transmission ring plate that is slidably sleeved on the outside of the outer sleeve, and the upper ends of the buffer guide rods are against the transmission ring plate.

[0010] A sliding sealing cavity is fixedly arranged at the bottom of the annular cavity, and the sliding sealing cavity is slidably sleeved on the outer side of the sliding rod.

[0011] A sliding sealing ring which is slidably sleeved on the outside of the sliding rod is fixedly arranged inside the sliding sealing cavity.

[0012] A push ring is arranged inside the annular cavity, the push ring is fixedly arranged on the top end of the sliding rod, and an energy absorbing spring is arranged between the push ring and the pressure sensor.

[0013] An elastic buffer tube is fixedly arranged on the outer side of the supporting strip, and the elastic buffer tube is an elliptical cylindrical structure made of rubber material.

[0014] The bottom end of the elastic buffer cylinder is provided with an elastic end block made of rubber material and formed integrally therewith, and the elastic end block is an elliptical columnar structure.

[0015] Elastic support plates are evenly arranged inside the elastic buffer cylinder, and the elastic support plates are plate structures made of rubber material and are integrated with the elastic buffer cylinder.

[0016] Beneficial effects of the present invention:

[0017] (1) In the present invention, when the rail trolley or the luffing cylinder drives the outer sleeve to move and collides, the buffer baffle on the outer side of the outer sleeve will first contact the external object, and the buffer baffle will transmit the force generated by the collision to the pressure sensor in the collision detection energy absorption mechanism through the buffer mechanism. The controller periodically collects the real-time pressure value of the pressure sensor and compares the real-time pressure value with the upper pressure limit. When the upper pressure limit is higher than the real-time pressure value, the controller controls the rail trolley or the luffing cylinder to stop moving, and the outer sleeve stops moving, so as to avoid deformation of the slide barrel;

[0018] (2) The buffer baffle can directly contact the outer sleeve with the external object when a collision occurs, thereby preventing the outer sleeve from being damaged due to the collision;

[0019] (3) The buffer mechanism and the collision detection and energy absorption mechanism can convert part of the impact force into elastic potential energy through elastic deformation, thereby reducing the energy transferred to the outer sleeve and playing a certain protective role for the outer sleeve when a collision occurs. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is one of the structural schematic diagrams of the oblique chute underwater bagged sand cushion layer throwing construction device in the present invention.

[0021] Figure 2 It is a schematic diagram of the partial structure of the oblique chute underwater bagged sand cushion layer throwing construction device of the present invention.

[0022] Figure 3 This is the second structural schematic diagram of the oblique chute underwater bagged sand cushion layer throwing construction device of the present invention.

[0023] Figure 4 for Figure 3 Cross-section view at AA in the middle.

[0024] Figure 5 This is a local enlarged view of point B. DETAILED DESCRIPTION

[0025] Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. The description of the exemplary embodiments is merely illustrative and is in no way intended to limit the present invention and its application or use. The present invention can be implemented in many different forms and is not limited to the embodiments described herein. These embodiments are provided to make the present invention thorough and complete and to fully express the scope of the present invention to those skilled in the art. It should be noted that unless otherwise specifically stated, the relative arrangement of the parts and steps, the composition of the materials, the numerical expressions and the numerical values ​​set forth in these embodiments should be interpreted as being merely exemplary, rather than as limitations.

[0026] The words "first", "second" and similar words used in the present invention do not indicate any order, quantity or importance, but are only used to distinguish different parts. The words "include" or "comprise" and similar words mean that the elements before the word include the elements listed after the word, and do not exclude the possibility of including other elements. "Up", "down", "left", "right" and the like are only used to indicate relative positional relationships. When the absolute position of the described object changes, the relative positional relationship may also change accordingly.

[0027] like Figures 1 to 5 As shown, an oblique chute underwater bagged sand cushion layer throwing construction device comprises an outer sleeve 1 and a controller, a buffer baffle 2 is evenly arranged around the outer side of the lower end of the outer sleeve 1, a buffer support mechanism 3 is arranged between the buffer baffle 2 and the outer sleeve 1, and a collision detection energy absorption mechanism 4 is fixedly arranged on the outer side of the outer sleeve 1 above the buffer support mechanism 3; the collision detection energy absorption mechanism 4 has an annular cavity 41 fixedly arranged on the outer side of the outer sleeve, and a pressure sensor 42 is fixedly arranged on the inner top of the annular cavity 41, and the pressure sensor 42 is transmission-connected to the buffer support mechanism 3; the pressure sensor 42 is connected to the controller, and a pressure upper limit value is preset inside the controller; the controller periodically collects the real-time pressure value of the pressure sensor 42, and compares the real-time pressure value with the pressure upper limit value. When the pressure upper limit value is higher than the real-time pressure value, the controller controls the outer sleeve 1 to stop moving; in this embodiment, when the rail trolley or the variable amplitude cylinder When the outer sleeve 1 is driven to move and a collision occurs, the buffer baffle 2 on the outside of the outer sleeve 1 will first contact the external object. The buffer baffle 2 transfers the force generated by the collision to the pressure sensor 42 in the collision detection energy absorption mechanism 4 through the buffer mechanism 3. The controller periodically collects the real-time pressure value of the pressure sensor 42 and compares the real-time pressure value with the upper pressure limit. When the upper pressure limit is higher than the real-time pressure value, the controller controls the rail trolley or the variable-length oil cylinder to stop moving, and the outer sleeve 1 stops moving to avoid deformation of the slide. The buffer baffle 2 can directly contact the external object when a collision occurs, so as to avoid damage to the outer sleeve 1 due to the collision. The buffer mechanism 3 and the collision detection energy absorption mechanism 4 can convert part of the impact force into elastic potential energy through elastic deformation inside, reduce the energy transferred to the outer sleeve 1, and play a certain protective role for the outer sleeve 1 when a collision occurs.

[0028] In some embodiments, the buffer baffle 2 has a support slat 24; the buffer support mechanism 3 has at least two support links 31 respectively hinged to the two ends of the support slat 24, the support links 31 are parallel to each other, the end of the support link 31 away from the outer sleeve 1 is tilted upward, the end of the support link 31 away from the support slat 24 is hinged to the outer sleeve 1, the upper end of the support slat 24 is hinged with a transmission link 32, the upper end of the transmission link 32 is hinged with a buffer guide rod 33, and the upper end of the buffer guide rod 33 is transmission-connected to the pressure sensor 42; when the side of the outer sleeve 1 collides, it pushes The support plate body 24 moves toward and upward in the direction close to the outer sleeve 1, and the support slat 24 pushes the buffer guide rod 33 upward through the transmission connecting rod 31. The buffer guide rod 33 acts on the pressure sensor 42 through a related mechanism, causing the detection value of the pressure sensor 42 to change; when a collision occurs at the bottom end of the outer sleeve 23, the support plate body 24 will be pushed to move upward and toward the direction close to the outer sleeve 1. The support slat 24 pushes the buffer guide rod 33 upward through the transmission connecting rod 31. The buffer guide rod 33 acts on the pressure sensor 42 through a related mechanism, causing the detection value of the pressure sensor 42 to change.

[0029] In some embodiments, a push plate 37 is fixedly provided at the bottom end of the buffer guide rod 33, a buffer support 36 is slidably sleeved on the upper end of the buffer guide rod 33, the buffer support 36 is fixedly provided on the outside of the outer sleeve 1, a buffer spring 34 is sleeved on the outside of the buffer guide rod 33 between the buffer support 36 and the push plate 37, an end plate 35 is fixedly provided on the top end of the buffer guide rod 33 above the buffer support 36, and the end plate 35 is transmission-connected to the pressure sensor 42; when a collision occurs, the buffer guide rod 33 moves upward, and the push plate 37 pushes the buffer spring 34 upward to compress the buffer spring 34, converting part of the collision energy into elastic potential energy of the buffer spring 34, reducing the energy transferred to the outer sleeve 1, and playing a certain protective role for the outer sleeve 1 when a collision occurs.

[0030] In some embodiments, Figure 5 As shown, the bottom of the annular cavity 41 is evenly provided with sliding rods 46, and the sliding rods 46 are sealingly and slidingly connected to the bottom of the annular cavity 41, and the upper end of the sliding rod 46 is transmission-connected to the pressure sensor 42, and the bottom end of the sliding rod 46 is provided with a transmission ring plate 47 which is slidably sleeved on the outside of the outer sleeve 1, and the upper end of the buffer guide rod 33 is against the transmission ring plate 47; when the buffer guide rod 33 moves upward, it pushes the transmission ring plate 47 to move upward, and when the transmission ring plate 47 moves upward, it pushes the sliding rod 46 to move upward, and the upper end of the sliding rod 46 is transmission-connected to the pressure sensor 42, and when the sliding rod 46 moves upward, it acts on the pressure sensor 42 through the relevant mechanism, so that the detection value of the pressure sensor 42 changes.

[0031] In some embodiments, a sliding sealing cavity 45 is fixedly provided at the bottom of the annular cavity 41. The sliding sealing cavity 45 is slidably mounted on the outside of the sliding rod 46. The sliding rod 46 can slide along its axial direction inside the sliding sealing cavity 45, and at the same time can ensure the sealing effect between the sliding rod 46 and the sliding sealing cavity 45, so as to avoid water ingress during underwater use and affect the service life of the pressure sensor 42. Specifically, a sliding sealing ring 48 is fixedly provided inside the sliding sealing cavity 45 and is slidably mounted on the outside of the sliding rod 46. The sliding sealing ring 48 is used to improve the sealing between the sliding rod 46 and the sliding sealing cavity 45.

[0032] In some embodiments, a push ring 44 is provided inside the annular cavity 41, and the push ring 44 is fixedly arranged at the top end of the slide rod 46, and an energy absorption spring 43 is provided between the push ring 44 and the pressure sensor 42; the energy absorption spring 43 can convert part of the energy of the collision into the elastic potential energy of the energy absorption spring 43 when a collision occurs, thereby reducing the energy transferred to the outer sleeve 1, and playing a certain protective role for the outer sleeve 1 when a collision occurs; at the same time, the energy absorption spring 43 acts as a force transmission component between the push ring 44 and the pressure sensor 42, and does not affect the movement of the push ring 44 under the push of the slide rod 46.

[0033] In some embodiments, Figure 2 As shown, an elastic buffer tube 21 is fixedly provided on the outer side of the support strip 24. The elastic buffer tube 21 is an elliptical cylindrical structure made of rubber material. The elastic buffer tube 21 can deform and absorb part of the collision energy when a collision occurs. When a collision occurs, it plays a certain protective role on the outer sleeve 1.

[0034] In some embodiments, the bottom end of the elastic buffer cylinder 21 has an elastic end block 22 made of rubber material and integrally formed therewith. The elastic end block 22 is an elliptical cylindrical structure. The elastic end block 22 can first contact with an external object when the outer sleeve 1 descends, thereby preventing the outer sleeve 1 from directly contacting with an external object and being damaged by collision when descending.

[0035] In some embodiments, elastic support plates 23 are evenly arranged inside the elastic buffer tube 21. The elastic support plates 23 are plate structures made of rubber material that are integrated with the elastic buffer tube 21. When a collision occurs, the elastic support plates 23 can deform and absorb part of the collision energy. When a collision occurs, it plays a certain protective role on the outer sleeve 1.

[0036] So far, various embodiments of the present invention have been described in detail. In order to avoid obscuring the concept of the present invention, some details known in the art are not described. Based on the above description, those skilled in the art can fully understand how to implement the technical solution disclosed here.

[0037] The above-mentioned embodiments only express some implementation methods of the present invention, and the description thereof is relatively specific and detailed, but it cannot be understood as limiting the scope of the invention patent. It should be pointed out that for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the present invention, which all belong to the protection scope of the present invention. Therefore, the protection scope of the patent of the present invention shall be based on the attached claims.

Claims

1. An oblique chute underwater bagged sand cushion layer throwing construction device, characterized in that: It comprises an outer sleeve and a controller, wherein a buffer baffle is evenly arranged around the outer side of the lower end of the outer sleeve, a buffer support mechanism is arranged between the buffer baffle and the outer sleeve, and a collision detection energy absorption mechanism is fixedly arranged on the outer side of the outer sleeve above the buffer support mechanism; The collision detection energy absorption mechanism has an annular cavity fixedly arranged on the outside of the outer sleeve, a pressure sensor is fixedly arranged on the inner top of the annular cavity, and the pressure sensor is transmission-connected to the buffer support mechanism; The pressure sensor is connected to the controller, and an upper pressure limit value is preset inside the controller; The controller periodically collects the real-time pressure value of the pressure sensor and compares the real-time pressure value with the upper pressure limit value. When the upper pressure limit value is higher than the real-time pressure value, the controller controls the outer sleeve to stop moving.

2. The device for throwing the sand bagged cushion layer into the oblique chute underwater according to claim 1 is characterized in that: The buffer baffle has supporting strips; The buffer support mechanism has at least two support connecting rods respectively hinged to the two ends of the support slats, one end of the support connecting rod facing away from the support slats is hinged to the outer sleeve, the upper end of the support slats is hinged with a transmission connecting rod, the upper end of the transmission connecting rod is hinged with a buffer guide rod, and the upper end of the buffer guide rod is transmission-connected to the pressure sensor.

3. The device for throwing sand bags into the underwater cushion layer of the inclined chute according to claim 2 is characterized in that: A push plate is fixedly provided at the bottom end of the buffer guide rod, a buffer support is slidably sleeved on the upper end of the buffer guide rod, the buffer support is fixedly provided on the outside of the outer sleeve, a buffer spring is sleeved on the outside of the buffer guide rod between the buffer support and the push plate, an end plate is fixedly provided on the top end of the buffer guide rod above the buffer support, and the end plate is transmission connected to the pressure sensor.

4. The device for throwing sand bags into the underwater cushion layer of the inclined chute according to claim 2 is characterized in that: Sliding rods are evenly arranged at the bottom of the annular cavity, and the sliding rods are sealingly and slidingly connected to the bottom of the annular cavity. The upper ends of the sliding rods are transmission-connected to the pressure sensor, and the bottom ends of the sliding rods are provided with a transmission ring plate that is slidably sleeved on the outside of the outer sleeve, and the upper ends of the buffer guide rods are against the transmission ring plate.

5. The device for throwing the sand bagged cushion layer into the oblique chute underwater according to claim 4 is characterized in that: A sliding sealing cavity is fixedly arranged at the bottom of the annular cavity, and the sliding sealing cavity is slidably sleeved on the outer side of the sliding rod.

6. The device for throwing sand bags into the underwater cushion layer of the inclined chute according to claim 5 is characterized in that: A sliding sealing ring which is slidably sleeved on the outside of the sliding rod is fixedly arranged inside the sliding sealing cavity.

7. The device for throwing sand bags into the underwater cushion layer of the inclined chute according to claim 4 is characterized in that: A push ring is arranged inside the annular cavity, the push ring is fixedly arranged on the top end of the sliding rod, and an energy absorbing spring is arranged between the push ring and the pressure sensor.

8. The device for throwing sand bags into the underwater cushion layer of the inclined chute according to claim 1 is characterized in that: An elastic buffer tube is fixedly arranged on the outer side of the supporting strip, and the elastic buffer tube is an elliptical cylindrical structure made of rubber material.

9. The device for throwing bagged sand cushion layer into an oblique chute according to claim 8 is characterized in that: The bottom end of the elastic buffer cylinder is provided with an elastic end block made of rubber material and formed integrally therewith, and the elastic end block is an elliptical columnar structure.

10. The device for throwing bagged sand cushion layer into an oblique chute underwater according to claim 8 is characterized in that: Elastic support plates are evenly arranged inside the elastic buffer cylinder, and the elastic support plates are plate structures made of rubber material and are integrated with the elastic buffer cylinder.

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